ifeq ($(LINUX_VERSION),2.6.21.7)
LINUX_KERNEL_MD5SUM:=bc15fad1487336d5dcb0945cd039d8ed
endif
-ifeq ($(LINUX_VERSION),2.6.22.19)
- LINUX_KERNEL_MD5SUM:=4db27facb78aeb79d06e6ae6bf0ac0b6
-endif
ifeq ($(LINUX_VERSION),2.6.23.17)
LINUX_KERNEL_MD5SUM:=a0300a393ac91ce9c64bf31522b45e2e
endif
+++ /dev/null
---- a/fs/Kconfig
-+++ b/fs/Kconfig
-@@ -1367,6 +1367,71 @@
-
- If unsure, say N.
-
-+config SQUASHFS
-+ tristate "SquashFS 3.0 - Squashed file system support"
-+ select ZLIB_INFLATE
-+ help
-+ Saying Y here includes support for SquashFS 3.0 (a Compressed Read-Only File
-+ System). Squashfs is a highly compressed read-only filesystem for Linux.
-+ It uses zlib compression to compress both files, inodes and directories.
-+ Inodes in the system are very small and all blocks are packed to minimise
-+ data overhead. Block sizes greater than 4K are supported up to a maximum of 64K.
-+ SquashFS 3.0 supports 64 bit filesystems and files (larger than 4GB), full
-+ uid/gid information, hard links and timestamps.
-+
-+ Squashfs is intended for general read-only filesystem use, for archival
-+ use (i.e. in cases where a .tar.gz file may be used), and in embedded
-+ systems where low overhead is needed. Further information and filesystem tools
-+ are available from http://squashfs.sourceforge.net.
-+
-+ If you want to compile this as a module ( = code which can be
-+ inserted in and removed from the running kernel whenever you want),
-+ say M here and read <file:Documentation/modules.txt>. The module
-+ will be called squashfs. Note that the root file system (the one
-+ containing the directory /) cannot be compiled as a module.
-+
-+ If unsure, say N.
-+
-+config SQUASHFS_EMBEDDED
-+
-+ bool "Additional options for memory-constrained systems"
-+ depends on SQUASHFS
-+ default n
-+ help
-+ Saying Y here allows you to specify cache sizes and how Squashfs
-+ allocates memory. This is only intended for memory constrained
-+ systems.
-+
-+ If unsure, say N.
-+
-+config SQUASHFS_FRAGMENT_CACHE_SIZE
-+ int "Number of fragments cached" if SQUASHFS_EMBEDDED
-+ depends on SQUASHFS
-+ default "3"
-+ help
-+ By default SquashFS caches the last 3 fragments read from
-+ the filesystem. Increasing this amount may mean SquashFS
-+ has to re-read fragments less often from disk, at the expense
-+ of extra system memory. Decreasing this amount will mean
-+ SquashFS uses less memory at the expense of extra reads from disk.
-+
-+ Note there must be at least one cached fragment. Anything
-+ much more than three will probably not make much difference.
-+
-+config SQUASHFS_VMALLOC
-+ bool "Use Vmalloc rather than Kmalloc" if SQUASHFS_EMBEDDED
-+ depends on SQUASHFS
-+ default n
-+ help
-+ By default SquashFS uses kmalloc to obtain fragment cache memory.
-+ Kmalloc memory is the standard kernel allocator, but it can fail
-+ on memory constrained systems. Because of the way Vmalloc works,
-+ Vmalloc can succeed when kmalloc fails. Specifying this option
-+ will make SquashFS always use Vmalloc to allocate the
-+ fragment cache memory.
-+
-+ If unsure, say N.
-+
- config VXFS_FS
- tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
- depends on BLOCK
---- a/fs/Makefile
-+++ b/fs/Makefile
-@@ -72,6 +72,7 @@
- obj-$(CONFIG_JBD2) += jbd2/
- obj-$(CONFIG_EXT2_FS) += ext2/
- obj-$(CONFIG_CRAMFS) += cramfs/
-+obj-$(CONFIG_SQUASHFS) += squashfs/
- obj-$(CONFIG_RAMFS) += ramfs/
- obj-$(CONFIG_HUGETLBFS) += hugetlbfs/
- obj-$(CONFIG_CODA_FS) += coda/
---- /dev/null
-+++ b/fs/squashfs/inode.c
-@@ -0,0 +1,2122 @@
-+/*
-+ * Squashfs - a compressed read only filesystem for Linux
-+ *
-+ * Copyright (c) 2002, 2003, 2004, 2005, 2006
-+ * Phillip Lougher <phillip@lougher.org.uk>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version 2,
-+ * or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ *
-+ * inode.c
-+ */
-+
-+#include <linux/types.h>
-+#include <linux/squashfs_fs.h>
-+#include <linux/module.h>
-+#include <linux/errno.h>
-+#include <linux/slab.h>
-+#include <linux/fs.h>
-+#include <linux/smp_lock.h>
-+#include <linux/slab.h>
-+#include <linux/squashfs_fs_sb.h>
-+#include <linux/squashfs_fs_i.h>
-+#include <linux/buffer_head.h>
-+#include <linux/vfs.h>
-+#include <linux/init.h>
-+#include <linux/dcache.h>
-+#include <linux/wait.h>
-+#include <linux/zlib.h>
-+#include <linux/blkdev.h>
-+#include <linux/vmalloc.h>
-+#include <asm/uaccess.h>
-+#include <asm/semaphore.h>
-+
-+#include "squashfs.h"
-+
-+static void squashfs_put_super(struct super_block *);
-+static int squashfs_statfs(struct dentry *, struct kstatfs *);
-+static int squashfs_symlink_readpage(struct file *file, struct page *page);
-+static int squashfs_readpage(struct file *file, struct page *page);
-+static int squashfs_readpage4K(struct file *file, struct page *page);
-+static int squashfs_readdir(struct file *, void *, filldir_t);
-+static struct inode *squashfs_alloc_inode(struct super_block *sb);
-+static void squashfs_destroy_inode(struct inode *inode);
-+static int init_inodecache(void);
-+static void destroy_inodecache(void);
-+static struct dentry *squashfs_lookup(struct inode *, struct dentry *,
-+ struct nameidata *);
-+static struct inode *squashfs_iget(struct super_block *s, squashfs_inode_t inode);
-+static long long read_blocklist(struct inode *inode, int index,
-+ int readahead_blks, char *block_list,
-+ unsigned short **block_p, unsigned int *bsize);
-+static int squashfs_get_sb(struct file_system_type *, int,
-+ const char *, void *, struct vfsmount *);
-+
-+
-+static z_stream stream;
-+
-+static struct file_system_type squashfs_fs_type = {
-+ .owner = THIS_MODULE,
-+ .name = "squashfs",
-+ .get_sb = squashfs_get_sb,
-+ .kill_sb = kill_block_super,
-+ .fs_flags = FS_REQUIRES_DEV
-+};
-+
-+static unsigned char squashfs_filetype_table[] = {
-+ DT_UNKNOWN, DT_DIR, DT_REG, DT_LNK, DT_BLK, DT_CHR, DT_FIFO, DT_SOCK
-+};
-+
-+static struct super_operations squashfs_ops = {
-+ .alloc_inode = squashfs_alloc_inode,
-+ .destroy_inode = squashfs_destroy_inode,
-+ .statfs = squashfs_statfs,
-+ .put_super = squashfs_put_super,
-+};
-+
-+SQSH_EXTERN struct address_space_operations squashfs_symlink_aops = {
-+ .readpage = squashfs_symlink_readpage
-+};
-+
-+SQSH_EXTERN struct address_space_operations squashfs_aops = {
-+ .readpage = squashfs_readpage
-+};
-+
-+SQSH_EXTERN struct address_space_operations squashfs_aops_4K = {
-+ .readpage = squashfs_readpage4K
-+};
-+
-+static struct file_operations squashfs_dir_ops = {
-+ .read = generic_read_dir,
-+ .readdir = squashfs_readdir
-+};
-+
-+SQSH_EXTERN struct inode_operations squashfs_dir_inode_ops = {
-+ .lookup = squashfs_lookup
-+};
-+
-+
-+static struct buffer_head *get_block_length(struct super_block *s,
-+ int *cur_index, int *offset, int *c_byte)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ unsigned short temp;
-+ struct buffer_head *bh;
-+
-+ if (!(bh = sb_bread(s, *cur_index)))
-+ goto out;
-+
-+ if (msblk->devblksize - *offset == 1) {
-+ if (msblk->swap)
-+ ((unsigned char *) &temp)[1] = *((unsigned char *)
-+ (bh->b_data + *offset));
-+ else
-+ ((unsigned char *) &temp)[0] = *((unsigned char *)
-+ (bh->b_data + *offset));
-+ brelse(bh);
-+ if (!(bh = sb_bread(s, ++(*cur_index))))
-+ goto out;
-+ if (msblk->swap)
-+ ((unsigned char *) &temp)[0] = *((unsigned char *)
-+ bh->b_data);
-+ else
-+ ((unsigned char *) &temp)[1] = *((unsigned char *)
-+ bh->b_data);
-+ *c_byte = temp;
-+ *offset = 1;
-+ } else {
-+ if (msblk->swap) {
-+ ((unsigned char *) &temp)[1] = *((unsigned char *)
-+ (bh->b_data + *offset));
-+ ((unsigned char *) &temp)[0] = *((unsigned char *)
-+ (bh->b_data + *offset + 1));
-+ } else {
-+ ((unsigned char *) &temp)[0] = *((unsigned char *)
-+ (bh->b_data + *offset));
-+ ((unsigned char *) &temp)[1] = *((unsigned char *)
-+ (bh->b_data + *offset + 1));
-+ }
-+ *c_byte = temp;
-+ *offset += 2;
-+ }
-+
-+ if (SQUASHFS_CHECK_DATA(msblk->sblk.flags)) {
-+ if (*offset == msblk->devblksize) {
-+ brelse(bh);
-+ if (!(bh = sb_bread(s, ++(*cur_index))))
-+ goto out;
-+ *offset = 0;
-+ }
-+ if (*((unsigned char *) (bh->b_data + *offset)) !=
-+ SQUASHFS_MARKER_BYTE) {
-+ ERROR("Metadata block marker corrupt @ %x\n",
-+ *cur_index);
-+ brelse(bh);
-+ goto out;
-+ }
-+ (*offset)++;
-+ }
-+ return bh;
-+
-+out:
-+ return NULL;
-+}
-+
-+
-+SQSH_EXTERN unsigned int squashfs_read_data(struct super_block *s, char *buffer,
-+ long long index, unsigned int length,
-+ long long *next_index)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct buffer_head *bh[((SQUASHFS_FILE_MAX_SIZE - 1) >>
-+ msblk->devblksize_log2) + 2];
-+ unsigned int offset = index & ((1 << msblk->devblksize_log2) - 1);
-+ unsigned int cur_index = index >> msblk->devblksize_log2;
-+ int bytes, avail_bytes, b = 0, k;
-+ char *c_buffer;
-+ unsigned int compressed;
-+ unsigned int c_byte = length;
-+
-+ if (c_byte) {
-+ bytes = msblk->devblksize - offset;
-+ compressed = SQUASHFS_COMPRESSED_BLOCK(c_byte);
-+ c_buffer = compressed ? msblk->read_data : buffer;
-+ c_byte = SQUASHFS_COMPRESSED_SIZE_BLOCK(c_byte);
-+
-+ TRACE("Block @ 0x%llx, %scompressed size %d\n", index, compressed
-+ ? "" : "un", (unsigned int) c_byte);
-+
-+ if (!(bh[0] = sb_getblk(s, cur_index)))
-+ goto block_release;
-+
-+ for (b = 1; bytes < c_byte; b++) {
-+ if (!(bh[b] = sb_getblk(s, ++cur_index)))
-+ goto block_release;
-+ bytes += msblk->devblksize;
-+ }
-+ ll_rw_block(READ, b, bh);
-+ } else {
-+ if (!(bh[0] = get_block_length(s, &cur_index, &offset,
-+ &c_byte)))
-+ goto read_failure;
-+
-+ bytes = msblk->devblksize - offset;
-+ compressed = SQUASHFS_COMPRESSED(c_byte);
-+ c_buffer = compressed ? msblk->read_data : buffer;
-+ c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte);
-+
-+ TRACE("Block @ 0x%llx, %scompressed size %d\n", index, compressed
-+ ? "" : "un", (unsigned int) c_byte);
-+
-+ for (b = 1; bytes < c_byte; b++) {
-+ if (!(bh[b] = sb_getblk(s, ++cur_index)))
-+ goto block_release;
-+ bytes += msblk->devblksize;
-+ }
-+ ll_rw_block(READ, b - 1, bh + 1);
-+ }
-+
-+ if (compressed)
-+ down(&msblk->read_data_mutex);
-+
-+ for (bytes = 0, k = 0; k < b; k++) {
-+ avail_bytes = (c_byte - bytes) > (msblk->devblksize - offset) ?
-+ msblk->devblksize - offset :
-+ c_byte - bytes;
-+ wait_on_buffer(bh[k]);
-+ if (!buffer_uptodate(bh[k]))
-+ goto block_release;
-+ memcpy(c_buffer + bytes, bh[k]->b_data + offset, avail_bytes);
-+ bytes += avail_bytes;
-+ offset = 0;
-+ brelse(bh[k]);
-+ }
-+
-+ /*
-+ * uncompress block
-+ */
-+ if (compressed) {
-+ int zlib_err;
-+
-+ stream.next_in = c_buffer;
-+ stream.avail_in = c_byte;
-+ stream.next_out = buffer;
-+ stream.avail_out = msblk->read_size;
-+
-+ if (((zlib_err = zlib_inflateInit(&stream)) != Z_OK) ||
-+ ((zlib_err = zlib_inflate(&stream, Z_FINISH))
-+ != Z_STREAM_END) || ((zlib_err =
-+ zlib_inflateEnd(&stream)) != Z_OK)) {
-+ ERROR("zlib_fs returned unexpected result 0x%x\n",
-+ zlib_err);
-+ bytes = 0;
-+ } else
-+ bytes = stream.total_out;
-+
-+ up(&msblk->read_data_mutex);
-+ }
-+
-+ if (next_index)
-+ *next_index = index + c_byte + (length ? 0 :
-+ (SQUASHFS_CHECK_DATA(msblk->sblk.flags)
-+ ? 3 : 2));
-+ return bytes;
-+
-+block_release:
-+ while (--b >= 0)
-+ brelse(bh[b]);
-+
-+read_failure:
-+ ERROR("sb_bread failed reading block 0x%x\n", cur_index);
-+ return 0;
-+}
-+
-+
-+SQSH_EXTERN int squashfs_get_cached_block(struct super_block *s, char *buffer,
-+ long long block, unsigned int offset,
-+ int length, long long *next_block,
-+ unsigned int *next_offset)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ int n, i, bytes, return_length = length;
-+ long long next_index;
-+
-+ TRACE("Entered squashfs_get_cached_block [%llx:%x]\n", block, offset);
-+
-+ while ( 1 ) {
-+ for (i = 0; i < SQUASHFS_CACHED_BLKS; i++)
-+ if (msblk->block_cache[i].block == block)
-+ break;
-+
-+ down(&msblk->block_cache_mutex);
-+
-+ if (i == SQUASHFS_CACHED_BLKS) {
-+ /* read inode header block */
-+ for (i = msblk->next_cache, n = SQUASHFS_CACHED_BLKS;
-+ n ; n --, i = (i + 1) %
-+ SQUASHFS_CACHED_BLKS)
-+ if (msblk->block_cache[i].block !=
-+ SQUASHFS_USED_BLK)
-+ break;
-+
-+ if (n == 0) {
-+ wait_queue_t wait;
-+
-+ init_waitqueue_entry(&wait, current);
-+ add_wait_queue(&msblk->waitq, &wait);
-+ set_current_state(TASK_UNINTERRUPTIBLE);
-+ up(&msblk->block_cache_mutex);
-+ schedule();
-+ set_current_state(TASK_RUNNING);
-+ remove_wait_queue(&msblk->waitq, &wait);
-+ continue;
-+ }
-+ msblk->next_cache = (i + 1) % SQUASHFS_CACHED_BLKS;
-+
-+ if (msblk->block_cache[i].block ==
-+ SQUASHFS_INVALID_BLK) {
-+ if (!(msblk->block_cache[i].data =
-+ kmalloc(SQUASHFS_METADATA_SIZE,
-+ GFP_KERNEL))) {
-+ ERROR("Failed to allocate cache"
-+ "block\n");
-+ up(&msblk->block_cache_mutex);
-+ goto out;
-+ }
-+ }
-+
-+ msblk->block_cache[i].block = SQUASHFS_USED_BLK;
-+ up(&msblk->block_cache_mutex);
-+
-+ if (!(msblk->block_cache[i].length =
-+ squashfs_read_data(s,
-+ msblk->block_cache[i].data,
-+ block, 0, &next_index))) {
-+ ERROR("Unable to read cache block [%llx:%x]\n",
-+ block, offset);
-+ goto out;
-+ }
-+
-+ down(&msblk->block_cache_mutex);
-+ wake_up(&msblk->waitq);
-+ msblk->block_cache[i].block = block;
-+ msblk->block_cache[i].next_index = next_index;
-+ TRACE("Read cache block [%llx:%x]\n", block, offset);
-+ }
-+
-+ if (msblk->block_cache[i].block != block) {
-+ up(&msblk->block_cache_mutex);
-+ continue;
-+ }
-+
-+ if ((bytes = msblk->block_cache[i].length - offset) >= length) {
-+ if (buffer)
-+ memcpy(buffer, msblk->block_cache[i].data +
-+ offset, length);
-+ if (msblk->block_cache[i].length - offset == length) {
-+ *next_block = msblk->block_cache[i].next_index;
-+ *next_offset = 0;
-+ } else {
-+ *next_block = block;
-+ *next_offset = offset + length;
-+ }
-+ up(&msblk->block_cache_mutex);
-+ goto finish;
-+ } else {
-+ if (buffer) {
-+ memcpy(buffer, msblk->block_cache[i].data +
-+ offset, bytes);
-+ buffer += bytes;
-+ }
-+ block = msblk->block_cache[i].next_index;
-+ up(&msblk->block_cache_mutex);
-+ length -= bytes;
-+ offset = 0;
-+ }
-+ }
-+
-+finish:
-+ return return_length;
-+out:
-+ return 0;
-+}
-+
-+
-+static int get_fragment_location(struct super_block *s, unsigned int fragment,
-+ long long *fragment_start_block,
-+ unsigned int *fragment_size)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ long long start_block =
-+ msblk->fragment_index[SQUASHFS_FRAGMENT_INDEX(fragment)];
-+ int offset = SQUASHFS_FRAGMENT_INDEX_OFFSET(fragment);
-+ struct squashfs_fragment_entry fragment_entry;
-+
-+ if (msblk->swap) {
-+ struct squashfs_fragment_entry sfragment_entry;
-+
-+ if (!squashfs_get_cached_block(s, (char *) &sfragment_entry,
-+ start_block, offset,
-+ sizeof(sfragment_entry), &start_block,
-+ &offset))
-+ goto out;
-+ SQUASHFS_SWAP_FRAGMENT_ENTRY(&fragment_entry, &sfragment_entry);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *) &fragment_entry,
-+ start_block, offset,
-+ sizeof(fragment_entry), &start_block,
-+ &offset))
-+ goto out;
-+
-+ *fragment_start_block = fragment_entry.start_block;
-+ *fragment_size = fragment_entry.size;
-+
-+ return 1;
-+
-+out:
-+ return 0;
-+}
-+
-+
-+SQSH_EXTERN void release_cached_fragment(struct squashfs_sb_info *msblk, struct
-+ squashfs_fragment_cache *fragment)
-+{
-+ down(&msblk->fragment_mutex);
-+ fragment->locked --;
-+ wake_up(&msblk->fragment_wait_queue);
-+ up(&msblk->fragment_mutex);
-+}
-+
-+
-+SQSH_EXTERN struct squashfs_fragment_cache *get_cached_fragment(struct super_block
-+ *s, long long start_block,
-+ int length)
-+{
-+ int i, n;
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+
-+ while ( 1 ) {
-+ down(&msblk->fragment_mutex);
-+
-+ for (i = 0; i < SQUASHFS_CACHED_FRAGMENTS &&
-+ msblk->fragment[i].block != start_block; i++);
-+
-+ if (i == SQUASHFS_CACHED_FRAGMENTS) {
-+ for (i = msblk->next_fragment, n =
-+ SQUASHFS_CACHED_FRAGMENTS; n &&
-+ msblk->fragment[i].locked; n--, i = (i + 1) %
-+ SQUASHFS_CACHED_FRAGMENTS);
-+
-+ if (n == 0) {
-+ wait_queue_t wait;
-+
-+ init_waitqueue_entry(&wait, current);
-+ add_wait_queue(&msblk->fragment_wait_queue,
-+ &wait);
-+ set_current_state(TASK_UNINTERRUPTIBLE);
-+ up(&msblk->fragment_mutex);
-+ schedule();
-+ set_current_state(TASK_RUNNING);
-+ remove_wait_queue(&msblk->fragment_wait_queue,
-+ &wait);
-+ continue;
-+ }
-+ msblk->next_fragment = (msblk->next_fragment + 1) %
-+ SQUASHFS_CACHED_FRAGMENTS;
-+
-+ if (msblk->fragment[i].data == NULL)
-+ if (!(msblk->fragment[i].data = SQUASHFS_ALLOC
-+ (SQUASHFS_FILE_MAX_SIZE))) {
-+ ERROR("Failed to allocate fragment "
-+ "cache block\n");
-+ up(&msblk->fragment_mutex);
-+ goto out;
-+ }
-+
-+ msblk->fragment[i].block = SQUASHFS_INVALID_BLK;
-+ msblk->fragment[i].locked = 1;
-+ up(&msblk->fragment_mutex);
-+
-+ if (!(msblk->fragment[i].length = squashfs_read_data(s,
-+ msblk->fragment[i].data,
-+ start_block, length, NULL))) {
-+ ERROR("Unable to read fragment cache block "
-+ "[%llx]\n", start_block);
-+ msblk->fragment[i].locked = 0;
-+ goto out;
-+ }
-+
-+ msblk->fragment[i].block = start_block;
-+ TRACE("New fragment %d, start block %lld, locked %d\n",
-+ i, msblk->fragment[i].block,
-+ msblk->fragment[i].locked);
-+ break;
-+ }
-+
-+ msblk->fragment[i].locked++;
-+ up(&msblk->fragment_mutex);
-+ TRACE("Got fragment %d, start block %lld, locked %d\n", i,
-+ msblk->fragment[i].block,
-+ msblk->fragment[i].locked);
-+ break;
-+ }
-+
-+ return &msblk->fragment[i];
-+
-+out:
-+ return NULL;
-+}
-+
-+
-+static struct inode *squashfs_new_inode(struct super_block *s,
-+ struct squashfs_base_inode_header *inodeb)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct inode *i = new_inode(s);
-+
-+ if (i) {
-+ i->i_ino = inodeb->inode_number;
-+ i->i_mtime.tv_sec = inodeb->mtime;
-+ i->i_atime.tv_sec = inodeb->mtime;
-+ i->i_ctime.tv_sec = inodeb->mtime;
-+ i->i_uid = msblk->uid[inodeb->uid];
-+ i->i_mode = inodeb->mode;
-+ i->i_size = 0;
-+ if (inodeb->guid == SQUASHFS_GUIDS)
-+ i->i_gid = i->i_uid;
-+ else
-+ i->i_gid = msblk->guid[inodeb->guid];
-+ }
-+
-+ return i;
-+}
-+
-+
-+static struct inode *squashfs_iget(struct super_block *s, squashfs_inode_t inode)
-+{
-+ struct inode *i;
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ long long block = SQUASHFS_INODE_BLK(inode) +
-+ sblk->inode_table_start;
-+ unsigned int offset = SQUASHFS_INODE_OFFSET(inode);
-+ long long next_block;
-+ unsigned int next_offset;
-+ union squashfs_inode_header id, sid;
-+ struct squashfs_base_inode_header *inodeb = &id.base,
-+ *sinodeb = &sid.base;
-+
-+ TRACE("Entered squashfs_iget\n");
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *) sinodeb, block,
-+ offset, sizeof(*sinodeb), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_BASE_INODE_HEADER(inodeb, sinodeb,
-+ sizeof(*sinodeb));
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *) inodeb, block,
-+ offset, sizeof(*inodeb), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ switch(inodeb->inode_type) {
-+ case SQUASHFS_FILE_TYPE: {
-+ unsigned int frag_size;
-+ long long frag_blk;
-+ struct squashfs_reg_inode_header *inodep = &id.reg;
-+ struct squashfs_reg_inode_header *sinodep = &sid.reg;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_REG_INODE_HEADER(inodep, sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ frag_blk = SQUASHFS_INVALID_BLK;
-+ if (inodep->fragment != SQUASHFS_INVALID_FRAG &&
-+ !get_fragment_location(s,
-+ inodep->fragment, &frag_blk, &frag_size))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_nlink = 1;
-+ i->i_size = inodep->file_size;
-+ i->i_fop = &generic_ro_fops;
-+ i->i_mode |= S_IFREG;
-+ i->i_blocks = ((i->i_size - 1) >> 9) + 1;
-+ SQUASHFS_I(i)->u.s1.fragment_start_block = frag_blk;
-+ SQUASHFS_I(i)->u.s1.fragment_size = frag_size;
-+ SQUASHFS_I(i)->u.s1.fragment_offset = inodep->offset;
-+ SQUASHFS_I(i)->start_block = inodep->start_block;
-+ SQUASHFS_I(i)->u.s1.block_list_start = next_block;
-+ SQUASHFS_I(i)->offset = next_offset;
-+ if (sblk->block_size > 4096)
-+ i->i_data.a_ops = &squashfs_aops;
-+ else
-+ i->i_data.a_ops = &squashfs_aops_4K;
-+
-+ TRACE("File inode %x:%x, start_block %llx, "
-+ "block_list_start %llx, offset %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ inodep->start_block, next_block,
-+ next_offset);
-+ break;
-+ }
-+ case SQUASHFS_LREG_TYPE: {
-+ unsigned int frag_size;
-+ long long frag_blk;
-+ struct squashfs_lreg_inode_header *inodep = &id.lreg;
-+ struct squashfs_lreg_inode_header *sinodep = &sid.lreg;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_LREG_INODE_HEADER(inodep, sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ frag_blk = SQUASHFS_INVALID_BLK;
-+ if (inodep->fragment != SQUASHFS_INVALID_FRAG &&
-+ !get_fragment_location(s,
-+ inodep->fragment, &frag_blk, &frag_size))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_nlink = inodep->nlink;
-+ i->i_size = inodep->file_size;
-+ i->i_fop = &generic_ro_fops;
-+ i->i_mode |= S_IFREG;
-+ i->i_blocks = ((i->i_size - 1) >> 9) + 1;
-+ SQUASHFS_I(i)->u.s1.fragment_start_block = frag_blk;
-+ SQUASHFS_I(i)->u.s1.fragment_size = frag_size;
-+ SQUASHFS_I(i)->u.s1.fragment_offset = inodep->offset;
-+ SQUASHFS_I(i)->start_block = inodep->start_block;
-+ SQUASHFS_I(i)->u.s1.block_list_start = next_block;
-+ SQUASHFS_I(i)->offset = next_offset;
-+ if (sblk->block_size > 4096)
-+ i->i_data.a_ops = &squashfs_aops;
-+ else
-+ i->i_data.a_ops = &squashfs_aops_4K;
-+
-+ TRACE("File inode %x:%x, start_block %llx, "
-+ "block_list_start %llx, offset %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ inodep->start_block, next_block,
-+ next_offset);
-+ break;
-+ }
-+ case SQUASHFS_DIR_TYPE: {
-+ struct squashfs_dir_inode_header *inodep = &id.dir;
-+ struct squashfs_dir_inode_header *sinodep = &sid.dir;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_DIR_INODE_HEADER(inodep, sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_nlink = inodep->nlink;
-+ i->i_size = inodep->file_size;
-+ i->i_op = &squashfs_dir_inode_ops;
-+ i->i_fop = &squashfs_dir_ops;
-+ i->i_mode |= S_IFDIR;
-+ SQUASHFS_I(i)->start_block = inodep->start_block;
-+ SQUASHFS_I(i)->offset = inodep->offset;
-+ SQUASHFS_I(i)->u.s2.directory_index_count = 0;
-+ SQUASHFS_I(i)->u.s2.parent_inode = inodep->parent_inode;
-+
-+ TRACE("Directory inode %x:%x, start_block %x, offset "
-+ "%x\n", SQUASHFS_INODE_BLK(inode),
-+ offset, inodep->start_block,
-+ inodep->offset);
-+ break;
-+ }
-+ case SQUASHFS_LDIR_TYPE: {
-+ struct squashfs_ldir_inode_header *inodep = &id.ldir;
-+ struct squashfs_ldir_inode_header *sinodep = &sid.ldir;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_LDIR_INODE_HEADER(inodep,
-+ sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_nlink = inodep->nlink;
-+ i->i_size = inodep->file_size;
-+ i->i_op = &squashfs_dir_inode_ops;
-+ i->i_fop = &squashfs_dir_ops;
-+ i->i_mode |= S_IFDIR;
-+ SQUASHFS_I(i)->start_block = inodep->start_block;
-+ SQUASHFS_I(i)->offset = inodep->offset;
-+ SQUASHFS_I(i)->u.s2.directory_index_start = next_block;
-+ SQUASHFS_I(i)->u.s2.directory_index_offset =
-+ next_offset;
-+ SQUASHFS_I(i)->u.s2.directory_index_count =
-+ inodep->i_count;
-+ SQUASHFS_I(i)->u.s2.parent_inode = inodep->parent_inode;
-+
-+ TRACE("Long directory inode %x:%x, start_block %x, "
-+ "offset %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ inodep->start_block, inodep->offset);
-+ break;
-+ }
-+ case SQUASHFS_SYMLINK_TYPE: {
-+ struct squashfs_symlink_inode_header *inodep =
-+ &id.symlink;
-+ struct squashfs_symlink_inode_header *sinodep =
-+ &sid.symlink;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_SYMLINK_INODE_HEADER(inodep,
-+ sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_nlink = inodep->nlink;
-+ i->i_size = inodep->symlink_size;
-+ i->i_op = &page_symlink_inode_operations;
-+ i->i_data.a_ops = &squashfs_symlink_aops;
-+ i->i_mode |= S_IFLNK;
-+ SQUASHFS_I(i)->start_block = next_block;
-+ SQUASHFS_I(i)->offset = next_offset;
-+
-+ TRACE("Symbolic link inode %x:%x, start_block %llx, "
-+ "offset %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ next_block, next_offset);
-+ break;
-+ }
-+ case SQUASHFS_BLKDEV_TYPE:
-+ case SQUASHFS_CHRDEV_TYPE: {
-+ struct squashfs_dev_inode_header *inodep = &id.dev;
-+ struct squashfs_dev_inode_header *sinodep = &sid.dev;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_DEV_INODE_HEADER(inodep, sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if ((i = squashfs_new_inode(s, inodeb)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_nlink = inodep->nlink;
-+ i->i_mode |= (inodeb->inode_type ==
-+ SQUASHFS_CHRDEV_TYPE) ? S_IFCHR :
-+ S_IFBLK;
-+ init_special_inode(i, i->i_mode,
-+ old_decode_dev(inodep->rdev));
-+
-+ TRACE("Device inode %x:%x, rdev %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ inodep->rdev);
-+ break;
-+ }
-+ case SQUASHFS_FIFO_TYPE:
-+ case SQUASHFS_SOCKET_TYPE: {
-+ struct squashfs_ipc_inode_header *inodep = &id.ipc;
-+ struct squashfs_ipc_inode_header *sinodep = &sid.ipc;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_IPC_INODE_HEADER(inodep, sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if ((i = squashfs_new_inode(s, inodeb)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_nlink = inodep->nlink;
-+ i->i_mode |= (inodeb->inode_type == SQUASHFS_FIFO_TYPE)
-+ ? S_IFIFO : S_IFSOCK;
-+ init_special_inode(i, i->i_mode, 0);
-+ break;
-+ }
-+ default:
-+ ERROR("Unknown inode type %d in squashfs_iget!\n",
-+ inodeb->inode_type);
-+ goto failed_read1;
-+ }
-+
-+ insert_inode_hash(i);
-+ return i;
-+
-+failed_read:
-+ ERROR("Unable to read inode [%llx:%x]\n", block, offset);
-+
-+failed_read1:
-+ return NULL;
-+}
-+
-+
-+static int read_fragment_index_table(struct super_block *s)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+
-+ /* Allocate fragment index table */
-+ if (!(msblk->fragment_index = kmalloc(SQUASHFS_FRAGMENT_INDEX_BYTES
-+ (sblk->fragments), GFP_KERNEL))) {
-+ ERROR("Failed to allocate uid/gid table\n");
-+ return 0;
-+ }
-+
-+ if (SQUASHFS_FRAGMENT_INDEX_BYTES(sblk->fragments) &&
-+ !squashfs_read_data(s, (char *)
-+ msblk->fragment_index,
-+ sblk->fragment_table_start,
-+ SQUASHFS_FRAGMENT_INDEX_BYTES
-+ (sblk->fragments) |
-+ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
-+ ERROR("unable to read fragment index table\n");
-+ return 0;
-+ }
-+
-+ if (msblk->swap) {
-+ int i;
-+ long long fragment;
-+
-+ for (i = 0; i < SQUASHFS_FRAGMENT_INDEXES(sblk->fragments);
-+ i++) {
-+ SQUASHFS_SWAP_FRAGMENT_INDEXES((&fragment),
-+ &msblk->fragment_index[i], 1);
-+ msblk->fragment_index[i] = fragment;
-+ }
-+ }
-+
-+ return 1;
-+}
-+
-+
-+static int supported_squashfs_filesystem(struct squashfs_sb_info *msblk, int silent)
-+{
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+
-+ msblk->iget = squashfs_iget;
-+ msblk->read_blocklist = read_blocklist;
-+ msblk->read_fragment_index_table = read_fragment_index_table;
-+
-+ if (sblk->s_major == 1) {
-+ if (!squashfs_1_0_supported(msblk)) {
-+ SERROR("Major/Minor mismatch, Squashfs 1.0 filesystems "
-+ "are unsupported\n");
-+ SERROR("Please recompile with "
-+ "Squashfs 1.0 support enabled\n");
-+ return 0;
-+ }
-+ } else if (sblk->s_major == 2) {
-+ if (!squashfs_2_0_supported(msblk)) {
-+ SERROR("Major/Minor mismatch, Squashfs 2.0 filesystems "
-+ "are unsupported\n");
-+ SERROR("Please recompile with "
-+ "Squashfs 2.0 support enabled\n");
-+ return 0;
-+ }
-+ } else if(sblk->s_major != SQUASHFS_MAJOR || sblk->s_minor >
-+ SQUASHFS_MINOR) {
-+ SERROR("Major/Minor mismatch, trying to mount newer %d.%d "
-+ "filesystem\n", sblk->s_major, sblk->s_minor);
-+ SERROR("Please update your kernel\n");
-+ return 0;
-+ }
-+
-+ return 1;
-+}
-+
-+
-+static int squashfs_fill_super(struct super_block *s, void *data, int silent)
-+{
-+ struct squashfs_sb_info *msblk;
-+ struct squashfs_super_block *sblk;
-+ int i;
-+ char b[BDEVNAME_SIZE];
-+ struct inode *root;
-+
-+ TRACE("Entered squashfs_read_superblock\n");
-+
-+ if (!(s->s_fs_info = kmalloc(sizeof(struct squashfs_sb_info),
-+ GFP_KERNEL))) {
-+ ERROR("Failed to allocate superblock\n");
-+ goto failure;
-+ }
-+ memset(s->s_fs_info, 0, sizeof(struct squashfs_sb_info));
-+ msblk = s->s_fs_info;
-+ sblk = &msblk->sblk;
-+
-+ msblk->devblksize = sb_min_blocksize(s, BLOCK_SIZE);
-+ msblk->devblksize_log2 = ffz(~msblk->devblksize);
-+
-+ init_MUTEX(&msblk->read_data_mutex);
-+ init_MUTEX(&msblk->read_page_mutex);
-+ init_MUTEX(&msblk->block_cache_mutex);
-+ init_MUTEX(&msblk->fragment_mutex);
-+ init_MUTEX(&msblk->meta_index_mutex);
-+
-+ init_waitqueue_head(&msblk->waitq);
-+ init_waitqueue_head(&msblk->fragment_wait_queue);
-+
-+ if (!squashfs_read_data(s, (char *) sblk, SQUASHFS_START,
-+ sizeof(struct squashfs_super_block) |
-+ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
-+ SERROR("unable to read superblock\n");
-+ goto failed_mount;
-+ }
-+
-+ /* Check it is a SQUASHFS superblock */
-+ msblk->swap = 0;
-+ if ((s->s_magic = sblk->s_magic) != SQUASHFS_MAGIC) {
-+ if (sblk->s_magic == SQUASHFS_MAGIC_SWAP) {
-+ struct squashfs_super_block ssblk;
-+
-+ WARNING("Mounting a different endian SQUASHFS "
-+ "filesystem on %s\n", bdevname(s->s_bdev, b));
-+
-+ SQUASHFS_SWAP_SUPER_BLOCK(&ssblk, sblk);
-+ memcpy(sblk, &ssblk, sizeof(struct squashfs_super_block));
-+ msblk->swap = 1;
-+ } else {
-+ SERROR("Can't find a SQUASHFS superblock on %s\n",
-+ bdevname(s->s_bdev, b));
-+ goto failed_mount;
-+ }
-+ }
-+
-+ /* Check the MAJOR & MINOR versions */
-+ if(!supported_squashfs_filesystem(msblk, silent))
-+ goto failed_mount;
-+
-+ TRACE("Found valid superblock on %s\n", bdevname(s->s_bdev, b));
-+ TRACE("Inodes are %scompressed\n",
-+ SQUASHFS_UNCOMPRESSED_INODES
-+ (sblk->flags) ? "un" : "");
-+ TRACE("Data is %scompressed\n",
-+ SQUASHFS_UNCOMPRESSED_DATA(sblk->flags)
-+ ? "un" : "");
-+ TRACE("Check data is %s present in the filesystem\n",
-+ SQUASHFS_CHECK_DATA(sblk->flags) ?
-+ "" : "not");
-+ TRACE("Filesystem size %lld bytes\n", sblk->bytes_used);
-+ TRACE("Block size %d\n", sblk->block_size);
-+ TRACE("Number of inodes %d\n", sblk->inodes);
-+ if (sblk->s_major > 1)
-+ TRACE("Number of fragments %d\n", sblk->fragments);
-+ TRACE("Number of uids %d\n", sblk->no_uids);
-+ TRACE("Number of gids %d\n", sblk->no_guids);
-+ TRACE("sblk->inode_table_start %llx\n", sblk->inode_table_start);
-+ TRACE("sblk->directory_table_start %llx\n", sblk->directory_table_start);
-+ if (sblk->s_major > 1)
-+ TRACE("sblk->fragment_table_start %llx\n",
-+ sblk->fragment_table_start);
-+ TRACE("sblk->uid_start %llx\n", sblk->uid_start);
-+
-+ s->s_flags |= MS_RDONLY;
-+ s->s_op = &squashfs_ops;
-+
-+ /* Init inode_table block pointer array */
-+ if (!(msblk->block_cache = kmalloc(sizeof(struct squashfs_cache) *
-+ SQUASHFS_CACHED_BLKS, GFP_KERNEL))) {
-+ ERROR("Failed to allocate block cache\n");
-+ goto failed_mount;
-+ }
-+
-+ for (i = 0; i < SQUASHFS_CACHED_BLKS; i++)
-+ msblk->block_cache[i].block = SQUASHFS_INVALID_BLK;
-+
-+ msblk->next_cache = 0;
-+
-+ /* Allocate read_data block */
-+ msblk->read_size = (sblk->block_size < SQUASHFS_METADATA_SIZE) ?
-+ SQUASHFS_METADATA_SIZE :
-+ sblk->block_size;
-+
-+ if (!(msblk->read_data = kmalloc(msblk->read_size, GFP_KERNEL))) {
-+ ERROR("Failed to allocate read_data block\n");
-+ goto failed_mount;
-+ }
-+
-+ /* Allocate read_page block */
-+ if (!(msblk->read_page = kmalloc(sblk->block_size, GFP_KERNEL))) {
-+ ERROR("Failed to allocate read_page block\n");
-+ goto failed_mount;
-+ }
-+
-+ /* Allocate uid and gid tables */
-+ if (!(msblk->uid = kmalloc((sblk->no_uids + sblk->no_guids) *
-+ sizeof(unsigned int), GFP_KERNEL))) {
-+ ERROR("Failed to allocate uid/gid table\n");
-+ goto failed_mount;
-+ }
-+ msblk->guid = msblk->uid + sblk->no_uids;
-+
-+ if (msblk->swap) {
-+ unsigned int suid[sblk->no_uids + sblk->no_guids];
-+
-+ if (!squashfs_read_data(s, (char *) &suid, sblk->uid_start,
-+ ((sblk->no_uids + sblk->no_guids) *
-+ sizeof(unsigned int)) |
-+ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
-+ ERROR("unable to read uid/gid table\n");
-+ goto failed_mount;
-+ }
-+
-+ SQUASHFS_SWAP_DATA(msblk->uid, suid, (sblk->no_uids +
-+ sblk->no_guids), (sizeof(unsigned int) * 8));
-+ } else
-+ if (!squashfs_read_data(s, (char *) msblk->uid, sblk->uid_start,
-+ ((sblk->no_uids + sblk->no_guids) *
-+ sizeof(unsigned int)) |
-+ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
-+ ERROR("unable to read uid/gid table\n");
-+ goto failed_mount;
-+ }
-+
-+
-+ if (sblk->s_major == 1 && squashfs_1_0_supported(msblk))
-+ goto allocate_root;
-+
-+ if (!(msblk->fragment = kmalloc(sizeof(struct squashfs_fragment_cache) *
-+ SQUASHFS_CACHED_FRAGMENTS, GFP_KERNEL))) {
-+ ERROR("Failed to allocate fragment block cache\n");
-+ goto failed_mount;
-+ }
-+
-+ for (i = 0; i < SQUASHFS_CACHED_FRAGMENTS; i++) {
-+ msblk->fragment[i].locked = 0;
-+ msblk->fragment[i].block = SQUASHFS_INVALID_BLK;
-+ msblk->fragment[i].data = NULL;
-+ }
-+
-+ msblk->next_fragment = 0;
-+
-+ /* Allocate fragment index table */
-+ if (msblk->read_fragment_index_table(s) == 0)
-+ goto failed_mount;
-+
-+allocate_root:
-+ if ((root = (msblk->iget)(s, sblk->root_inode)) == NULL)
-+ goto failed_mount;
-+
-+ if ((s->s_root = d_alloc_root(root)) == NULL) {
-+ ERROR("Root inode create failed\n");
-+ iput(root);
-+ goto failed_mount;
-+ }
-+
-+ TRACE("Leaving squashfs_read_super\n");
-+ return 0;
-+
-+failed_mount:
-+ kfree(msblk->fragment_index);
-+ kfree(msblk->fragment);
-+ kfree(msblk->uid);
-+ kfree(msblk->read_page);
-+ kfree(msblk->read_data);
-+ kfree(msblk->block_cache);
-+ kfree(msblk->fragment_index_2);
-+ kfree(s->s_fs_info);
-+ s->s_fs_info = NULL;
-+ return -EINVAL;
-+
-+failure:
-+ return -ENOMEM;
-+}
-+
-+
-+static int squashfs_statfs(struct dentry *dentry, struct kstatfs *buf)
-+{
-+ struct squashfs_sb_info *msblk = dentry->d_inode->i_sb->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+
-+ TRACE("Entered squashfs_statfs\n");
-+
-+ buf->f_type = SQUASHFS_MAGIC;
-+ buf->f_bsize = sblk->block_size;
-+ buf->f_blocks = ((sblk->bytes_used - 1) >> sblk->block_log) + 1;
-+ buf->f_bfree = buf->f_bavail = 0;
-+ buf->f_files = sblk->inodes;
-+ buf->f_ffree = 0;
-+ buf->f_namelen = SQUASHFS_NAME_LEN;
-+
-+ return 0;
-+}
-+
-+
-+static int squashfs_symlink_readpage(struct file *file, struct page *page)
-+{
-+ struct inode *inode = page->mapping->host;
-+ int index = page->index << PAGE_CACHE_SHIFT, length, bytes;
-+ long long block = SQUASHFS_I(inode)->start_block;
-+ int offset = SQUASHFS_I(inode)->offset;
-+ void *pageaddr = kmap(page);
-+
-+ TRACE("Entered squashfs_symlink_readpage, page index %ld, start block "
-+ "%llx, offset %x\n", page->index,
-+ SQUASHFS_I(inode)->start_block,
-+ SQUASHFS_I(inode)->offset);
-+
-+ for (length = 0; length < index; length += bytes) {
-+ if (!(bytes = squashfs_get_cached_block(inode->i_sb, NULL,
-+ block, offset, PAGE_CACHE_SIZE, &block,
-+ &offset))) {
-+ ERROR("Unable to read symbolic link [%llx:%x]\n", block,
-+ offset);
-+ goto skip_read;
-+ }
-+ }
-+
-+ if (length != index) {
-+ ERROR("(squashfs_symlink_readpage) length != index\n");
-+ bytes = 0;
-+ goto skip_read;
-+ }
-+
-+ bytes = (i_size_read(inode) - length) > PAGE_CACHE_SIZE ? PAGE_CACHE_SIZE :
-+ i_size_read(inode) - length;
-+
-+ if (!(bytes = squashfs_get_cached_block(inode->i_sb, pageaddr, block,
-+ offset, bytes, &block, &offset)))
-+ ERROR("Unable to read symbolic link [%llx:%x]\n", block, offset);
-+
-+skip_read:
-+ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
-+ kunmap(page);
-+ SetPageUptodate(page);
-+ unlock_page(page);
-+
-+ return 0;
-+}
-+
-+
-+struct meta_index *locate_meta_index(struct inode *inode, int index, int offset)
-+{
-+ struct meta_index *meta = NULL;
-+ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
-+ int i;
-+
-+ down(&msblk->meta_index_mutex);
-+
-+ TRACE("locate_meta_index: index %d, offset %d\n", index, offset);
-+
-+ if(msblk->meta_index == NULL)
-+ goto not_allocated;
-+
-+ for (i = 0; i < SQUASHFS_META_NUMBER; i ++)
-+ if (msblk->meta_index[i].inode_number == inode->i_ino &&
-+ msblk->meta_index[i].offset >= offset &&
-+ msblk->meta_index[i].offset <= index &&
-+ msblk->meta_index[i].locked == 0) {
-+ TRACE("locate_meta_index: entry %d, offset %d\n", i,
-+ msblk->meta_index[i].offset);
-+ meta = &msblk->meta_index[i];
-+ offset = meta->offset;
-+ }
-+
-+ if (meta)
-+ meta->locked = 1;
-+
-+not_allocated:
-+ up(&msblk->meta_index_mutex);
-+
-+ return meta;
-+}
-+
-+
-+struct meta_index *empty_meta_index(struct inode *inode, int offset, int skip)
-+{
-+ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
-+ struct meta_index *meta = NULL;
-+ int i;
-+
-+ down(&msblk->meta_index_mutex);
-+
-+ TRACE("empty_meta_index: offset %d, skip %d\n", offset, skip);
-+
-+ if(msblk->meta_index == NULL) {
-+ if (!(msblk->meta_index = kmalloc(sizeof(struct meta_index) *
-+ SQUASHFS_META_NUMBER, GFP_KERNEL))) {
-+ ERROR("Failed to allocate meta_index\n");
-+ goto failed;
-+ }
-+ for(i = 0; i < SQUASHFS_META_NUMBER; i++) {
-+ msblk->meta_index[i].inode_number = 0;
-+ msblk->meta_index[i].locked = 0;
-+ }
-+ msblk->next_meta_index = 0;
-+ }
-+
-+ for(i = SQUASHFS_META_NUMBER; i &&
-+ msblk->meta_index[msblk->next_meta_index].locked; i --)
-+ msblk->next_meta_index = (msblk->next_meta_index + 1) %
-+ SQUASHFS_META_NUMBER;
-+
-+ if(i == 0) {
-+ TRACE("empty_meta_index: failed!\n");
-+ goto failed;
-+ }
-+
-+ TRACE("empty_meta_index: returned meta entry %d, %p\n",
-+ msblk->next_meta_index,
-+ &msblk->meta_index[msblk->next_meta_index]);
-+
-+ meta = &msblk->meta_index[msblk->next_meta_index];
-+ msblk->next_meta_index = (msblk->next_meta_index + 1) %
-+ SQUASHFS_META_NUMBER;
-+
-+ meta->inode_number = inode->i_ino;
-+ meta->offset = offset;
-+ meta->skip = skip;
-+ meta->entries = 0;
-+ meta->locked = 1;
-+
-+failed:
-+ up(&msblk->meta_index_mutex);
-+ return meta;
-+}
-+
-+
-+void release_meta_index(struct inode *inode, struct meta_index *meta)
-+{
-+ meta->locked = 0;
-+}
-+
-+
-+static int read_block_index(struct super_block *s, int blocks, char *block_list,
-+ long long *start_block, int *offset)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ unsigned int *block_listp;
-+ int block = 0;
-+
-+ if (msblk->swap) {
-+ char sblock_list[blocks << 2];
-+
-+ if (!squashfs_get_cached_block(s, sblock_list, *start_block,
-+ *offset, blocks << 2, start_block, offset)) {
-+ ERROR("Unable to read block list [%llx:%x]\n",
-+ *start_block, *offset);
-+ goto failure;
-+ }
-+ SQUASHFS_SWAP_INTS(((unsigned int *)block_list),
-+ ((unsigned int *)sblock_list), blocks);
-+ } else
-+ if (!squashfs_get_cached_block(s, block_list, *start_block,
-+ *offset, blocks << 2, start_block, offset)) {
-+ ERROR("Unable to read block list [%llx:%x]\n",
-+ *start_block, *offset);
-+ goto failure;
-+ }
-+
-+ for (block_listp = (unsigned int *) block_list; blocks;
-+ block_listp++, blocks --)
-+ block += SQUASHFS_COMPRESSED_SIZE_BLOCK(*block_listp);
-+
-+ return block;
-+
-+failure:
-+ return -1;
-+}
-+
-+
-+#define SIZE 256
-+
-+static inline int calculate_skip(int blocks) {
-+ int skip = (blocks - 1) / ((SQUASHFS_SLOTS * SQUASHFS_META_ENTRIES + 1) * SQUASHFS_META_INDEXES);
-+ return skip >= 7 ? 7 : skip + 1;
-+}
-+
-+
-+static int get_meta_index(struct inode *inode, int index,
-+ long long *index_block, int *index_offset,
-+ long long *data_block, char *block_list)
-+{
-+ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ int skip = calculate_skip(i_size_read(inode) >> sblk->block_log);
-+ int offset = 0;
-+ struct meta_index *meta;
-+ struct meta_entry *meta_entry;
-+ long long cur_index_block = SQUASHFS_I(inode)->u.s1.block_list_start;
-+ int cur_offset = SQUASHFS_I(inode)->offset;
-+ long long cur_data_block = SQUASHFS_I(inode)->start_block;
-+ int i;
-+
-+ index /= SQUASHFS_META_INDEXES * skip;
-+
-+ while ( offset < index ) {
-+ meta = locate_meta_index(inode, index, offset + 1);
-+
-+ if (meta == NULL) {
-+ if ((meta = empty_meta_index(inode, offset + 1,
-+ skip)) == NULL)
-+ goto all_done;
-+ } else {
-+ offset = index < meta->offset + meta->entries ? index :
-+ meta->offset + meta->entries - 1;
-+ meta_entry = &meta->meta_entry[offset - meta->offset];
-+ cur_index_block = meta_entry->index_block + sblk->inode_table_start;
-+ cur_offset = meta_entry->offset;
-+ cur_data_block = meta_entry->data_block;
-+ TRACE("get_meta_index: offset %d, meta->offset %d, "
-+ "meta->entries %d\n", offset, meta->offset,
-+ meta->entries);
-+ TRACE("get_meta_index: index_block 0x%llx, offset 0x%x"
-+ " data_block 0x%llx\n", cur_index_block,
-+ cur_offset, cur_data_block);
-+ }
-+
-+ for (i = meta->offset + meta->entries; i <= index &&
-+ i < meta->offset + SQUASHFS_META_ENTRIES; i++) {
-+ int blocks = skip * SQUASHFS_META_INDEXES;
-+
-+ while (blocks) {
-+ int block = blocks > (SIZE >> 2) ? (SIZE >> 2) :
-+ blocks;
-+ int res = read_block_index(inode->i_sb, block,
-+ block_list, &cur_index_block,
-+ &cur_offset);
-+
-+ if (res == -1)
-+ goto failed;
-+
-+ cur_data_block += res;
-+ blocks -= block;
-+ }
-+
-+ meta_entry = &meta->meta_entry[i - meta->offset];
-+ meta_entry->index_block = cur_index_block - sblk->inode_table_start;
-+ meta_entry->offset = cur_offset;
-+ meta_entry->data_block = cur_data_block;
-+ meta->entries ++;
-+ offset ++;
-+ }
-+
-+ TRACE("get_meta_index: meta->offset %d, meta->entries %d\n",
-+ meta->offset, meta->entries);
-+
-+ release_meta_index(inode, meta);
-+ }
-+
-+all_done:
-+ *index_block = cur_index_block;
-+ *index_offset = cur_offset;
-+ *data_block = cur_data_block;
-+
-+ return offset * SQUASHFS_META_INDEXES * skip;
-+
-+failed:
-+ release_meta_index(inode, meta);
-+ return -1;
-+}
-+
-+
-+static long long read_blocklist(struct inode *inode, int index,
-+ int readahead_blks, char *block_list,
-+ unsigned short **block_p, unsigned int *bsize)
-+{
-+ long long block_ptr;
-+ int offset;
-+ long long block;
-+ int res = get_meta_index(inode, index, &block_ptr, &offset, &block,
-+ block_list);
-+
-+ TRACE("read_blocklist: res %d, index %d, block_ptr 0x%llx, offset"
-+ " 0x%x, block 0x%llx\n", res, index, block_ptr, offset,
-+ block);
-+
-+ if(res == -1)
-+ goto failure;
-+
-+ index -= res;
-+
-+ while ( index ) {
-+ int blocks = index > (SIZE >> 2) ? (SIZE >> 2) : index;
-+ int res = read_block_index(inode->i_sb, blocks, block_list,
-+ &block_ptr, &offset);
-+ if (res == -1)
-+ goto failure;
-+ block += res;
-+ index -= blocks;
-+ }
-+
-+ if (read_block_index(inode->i_sb, 1, block_list,
-+ &block_ptr, &offset) == -1)
-+ goto failure;
-+ *bsize = *((unsigned int *) block_list);
-+
-+ return block;
-+
-+failure:
-+ return 0;
-+}
-+
-+
-+static int squashfs_readpage(struct file *file, struct page *page)
-+{
-+ struct inode *inode = page->mapping->host;
-+ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ unsigned char block_list[SIZE];
-+ long long block;
-+ unsigned int bsize, i = 0, bytes = 0, byte_offset = 0;
-+ int index = page->index >> (sblk->block_log - PAGE_CACHE_SHIFT);
-+ void *pageaddr;
-+ struct squashfs_fragment_cache *fragment = NULL;
-+ char *data_ptr = msblk->read_page;
-+
-+ int mask = (1 << (sblk->block_log - PAGE_CACHE_SHIFT)) - 1;
-+ int start_index = page->index & ~mask;
-+ int end_index = start_index | mask;
-+
-+ TRACE("Entered squashfs_readpage, page index %lx, start block %llx\n",
-+ page->index,
-+ SQUASHFS_I(inode)->start_block);
-+
-+ if (page->index >= ((i_size_read(inode) + PAGE_CACHE_SIZE - 1) >>
-+ PAGE_CACHE_SHIFT))
-+ goto skip_read;
-+
-+ if (SQUASHFS_I(inode)->u.s1.fragment_start_block == SQUASHFS_INVALID_BLK
-+ || index < (i_size_read(inode) >>
-+ sblk->block_log)) {
-+ if ((block = (msblk->read_blocklist)(inode, index, 1,
-+ block_list, NULL, &bsize)) == 0)
-+ goto skip_read;
-+
-+ down(&msblk->read_page_mutex);
-+
-+ if (!(bytes = squashfs_read_data(inode->i_sb, msblk->read_page,
-+ block, bsize, NULL))) {
-+ ERROR("Unable to read page, block %llx, size %x\n", block,
-+ bsize);
-+ up(&msblk->read_page_mutex);
-+ goto skip_read;
-+ }
-+ } else {
-+ if ((fragment = get_cached_fragment(inode->i_sb,
-+ SQUASHFS_I(inode)->
-+ u.s1.fragment_start_block,
-+ SQUASHFS_I(inode)->u.s1.fragment_size))
-+ == NULL) {
-+ ERROR("Unable to read page, block %llx, size %x\n",
-+ SQUASHFS_I(inode)->
-+ u.s1.fragment_start_block,
-+ (int) SQUASHFS_I(inode)->
-+ u.s1.fragment_size);
-+ goto skip_read;
-+ }
-+ bytes = SQUASHFS_I(inode)->u.s1.fragment_offset +
-+ (i_size_read(inode) & (sblk->block_size
-+ - 1));
-+ byte_offset = SQUASHFS_I(inode)->u.s1.fragment_offset;
-+ data_ptr = fragment->data;
-+ }
-+
-+ for (i = start_index; i <= end_index && byte_offset < bytes;
-+ i++, byte_offset += PAGE_CACHE_SIZE) {
-+ struct page *push_page;
-+ int available_bytes = (bytes - byte_offset) > PAGE_CACHE_SIZE ?
-+ PAGE_CACHE_SIZE : bytes - byte_offset;
-+
-+ TRACE("bytes %d, i %d, byte_offset %d, available_bytes %d\n",
-+ bytes, i, byte_offset, available_bytes);
-+
-+ if (i == page->index) {
-+ pageaddr = kmap_atomic(page, KM_USER0);
-+ memcpy(pageaddr, data_ptr + byte_offset,
-+ available_bytes);
-+ memset(pageaddr + available_bytes, 0,
-+ PAGE_CACHE_SIZE - available_bytes);
-+ kunmap_atomic(pageaddr, KM_USER0);
-+ flush_dcache_page(page);
-+ SetPageUptodate(page);
-+ unlock_page(page);
-+ } else if ((push_page =
-+ grab_cache_page_nowait(page->mapping, i))) {
-+ pageaddr = kmap_atomic(push_page, KM_USER0);
-+
-+ memcpy(pageaddr, data_ptr + byte_offset,
-+ available_bytes);
-+ memset(pageaddr + available_bytes, 0,
-+ PAGE_CACHE_SIZE - available_bytes);
-+ kunmap_atomic(pageaddr, KM_USER0);
-+ flush_dcache_page(push_page);
-+ SetPageUptodate(push_page);
-+ unlock_page(push_page);
-+ page_cache_release(push_page);
-+ }
-+ }
-+
-+ if (SQUASHFS_I(inode)->u.s1.fragment_start_block == SQUASHFS_INVALID_BLK
-+ || index < (i_size_read(inode) >>
-+ sblk->block_log))
-+ up(&msblk->read_page_mutex);
-+ else
-+ release_cached_fragment(msblk, fragment);
-+
-+ return 0;
-+
-+skip_read:
-+ pageaddr = kmap_atomic(page, KM_USER0);
-+ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
-+ kunmap_atomic(pageaddr, KM_USER0);
-+ flush_dcache_page(page);
-+ SetPageUptodate(page);
-+ unlock_page(page);
-+
-+ return 0;
-+}
-+
-+
-+static int squashfs_readpage4K(struct file *file, struct page *page)
-+{
-+ struct inode *inode = page->mapping->host;
-+ struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ unsigned char block_list[SIZE];
-+ long long block;
-+ unsigned int bsize, bytes = 0;
-+ void *pageaddr;
-+
-+ TRACE("Entered squashfs_readpage4K, page index %lx, start block %llx\n",
-+ page->index,
-+ SQUASHFS_I(inode)->start_block);
-+
-+ if (page->index >= ((i_size_read(inode) + PAGE_CACHE_SIZE - 1) >>
-+ PAGE_CACHE_SHIFT)) {
-+ pageaddr = kmap_atomic(page, KM_USER0);
-+ goto skip_read;
-+ }
-+
-+ if (SQUASHFS_I(inode)->u.s1.fragment_start_block == SQUASHFS_INVALID_BLK
-+ || page->index < (i_size_read(inode) >>
-+ sblk->block_log)) {
-+ block = (msblk->read_blocklist)(inode, page->index, 1,
-+ block_list, NULL, &bsize);
-+
-+ down(&msblk->read_page_mutex);
-+ bytes = squashfs_read_data(inode->i_sb, msblk->read_page, block,
-+ bsize, NULL);
-+ pageaddr = kmap_atomic(page, KM_USER0);
-+ if (bytes)
-+ memcpy(pageaddr, msblk->read_page, bytes);
-+ else
-+ ERROR("Unable to read page, block %llx, size %x\n",
-+ block, bsize);
-+ up(&msblk->read_page_mutex);
-+ } else {
-+ struct squashfs_fragment_cache *fragment =
-+ get_cached_fragment(inode->i_sb,
-+ SQUASHFS_I(inode)->
-+ u.s1.fragment_start_block,
-+ SQUASHFS_I(inode)-> u.s1.fragment_size);
-+ pageaddr = kmap_atomic(page, KM_USER0);
-+ if (fragment) {
-+ bytes = i_size_read(inode) & (sblk->block_size - 1);
-+ memcpy(pageaddr, fragment->data + SQUASHFS_I(inode)->
-+ u.s1.fragment_offset, bytes);
-+ release_cached_fragment(msblk, fragment);
-+ } else
-+ ERROR("Unable to read page, block %llx, size %x\n",
-+ SQUASHFS_I(inode)->
-+ u.s1.fragment_start_block, (int)
-+ SQUASHFS_I(inode)-> u.s1.fragment_size);
-+ }
-+
-+skip_read:
-+ memset(pageaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
-+ kunmap_atomic(pageaddr, KM_USER0);
-+ flush_dcache_page(page);
-+ SetPageUptodate(page);
-+ unlock_page(page);
-+
-+ return 0;
-+}
-+
-+
-+static int get_dir_index_using_offset(struct super_block *s, long long
-+ *next_block, unsigned int *next_offset,
-+ long long index_start,
-+ unsigned int index_offset, int i_count,
-+ long long f_pos)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ int i, length = 0;
-+ struct squashfs_dir_index index;
-+
-+ TRACE("Entered get_dir_index_using_offset, i_count %d, f_pos %d\n",
-+ i_count, (unsigned int) f_pos);
-+
-+ f_pos =- 3;
-+ if (f_pos == 0)
-+ goto finish;
-+
-+ for (i = 0; i < i_count; i++) {
-+ if (msblk->swap) {
-+ struct squashfs_dir_index sindex;
-+ squashfs_get_cached_block(s, (char *) &sindex,
-+ index_start, index_offset,
-+ sizeof(sindex), &index_start,
-+ &index_offset);
-+ SQUASHFS_SWAP_DIR_INDEX(&index, &sindex);
-+ } else
-+ squashfs_get_cached_block(s, (char *) &index,
-+ index_start, index_offset,
-+ sizeof(index), &index_start,
-+ &index_offset);
-+
-+ if (index.index > f_pos)
-+ break;
-+
-+ squashfs_get_cached_block(s, NULL, index_start, index_offset,
-+ index.size + 1, &index_start,
-+ &index_offset);
-+
-+ length = index.index;
-+ *next_block = index.start_block + sblk->directory_table_start;
-+ }
-+
-+ *next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE;
-+
-+finish:
-+ return length + 3;
-+}
-+
-+
-+static int get_dir_index_using_name(struct super_block *s, long long
-+ *next_block, unsigned int *next_offset,
-+ long long index_start,
-+ unsigned int index_offset, int i_count,
-+ const char *name, int size)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ int i, length = 0;
-+ char buffer[sizeof(struct squashfs_dir_index) + SQUASHFS_NAME_LEN + 1];
-+ struct squashfs_dir_index *index = (struct squashfs_dir_index *) buffer;
-+ char str[SQUASHFS_NAME_LEN + 1];
-+
-+ TRACE("Entered get_dir_index_using_name, i_count %d\n", i_count);
-+
-+ strncpy(str, name, size);
-+ str[size] = '\0';
-+
-+ for (i = 0; i < i_count; i++) {
-+ if (msblk->swap) {
-+ struct squashfs_dir_index sindex;
-+ squashfs_get_cached_block(s, (char *) &sindex,
-+ index_start, index_offset,
-+ sizeof(sindex), &index_start,
-+ &index_offset);
-+ SQUASHFS_SWAP_DIR_INDEX(index, &sindex);
-+ } else
-+ squashfs_get_cached_block(s, (char *) index,
-+ index_start, index_offset,
-+ sizeof(struct squashfs_dir_index),
-+ &index_start, &index_offset);
-+
-+ squashfs_get_cached_block(s, index->name, index_start,
-+ index_offset, index->size + 1,
-+ &index_start, &index_offset);
-+
-+ index->name[index->size + 1] = '\0';
-+
-+ if (strcmp(index->name, str) > 0)
-+ break;
-+
-+ length = index->index;
-+ *next_block = index->start_block + sblk->directory_table_start;
-+ }
-+
-+ *next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE;
-+ return length + 3;
-+}
-+
-+
-+static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir)
-+{
-+ struct inode *i = file->f_dentry->d_inode;
-+ struct squashfs_sb_info *msblk = i->i_sb->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ long long next_block = SQUASHFS_I(i)->start_block +
-+ sblk->directory_table_start;
-+ int next_offset = SQUASHFS_I(i)->offset, length = 0, dirs_read = 0,
-+ dir_count;
-+ struct squashfs_dir_header dirh;
-+ char buffer[sizeof(struct squashfs_dir_entry) + SQUASHFS_NAME_LEN + 1];
-+ struct squashfs_dir_entry *dire = (struct squashfs_dir_entry *) buffer;
-+
-+ TRACE("Entered squashfs_readdir [%llx:%x]\n", next_block, next_offset);
-+
-+ while(file->f_pos < 3) {
-+ char *name;
-+ int size, i_ino;
-+
-+ if(file->f_pos == 0) {
-+ name = ".";
-+ size = 1;
-+ i_ino = i->i_ino;
-+ } else {
-+ name = "..";
-+ size = 2;
-+ i_ino = SQUASHFS_I(i)->u.s2.parent_inode;
-+ }
-+ TRACE("Calling filldir(%x, %s, %d, %d, %d, %d)\n",
-+ (unsigned int) dirent, name, size, (int)
-+ file->f_pos, i_ino,
-+ squashfs_filetype_table[1]);
-+
-+ if (filldir(dirent, name, size,
-+ file->f_pos, i_ino,
-+ squashfs_filetype_table[1]) < 0) {
-+ TRACE("Filldir returned less than 0\n");
-+ goto finish;
-+ }
-+ file->f_pos += size;
-+ dirs_read++;
-+ }
-+
-+ length = get_dir_index_using_offset(i->i_sb, &next_block, &next_offset,
-+ SQUASHFS_I(i)->u.s2.directory_index_start,
-+ SQUASHFS_I(i)->u.s2.directory_index_offset,
-+ SQUASHFS_I(i)->u.s2.directory_index_count,
-+ file->f_pos);
-+
-+ while (length < i_size_read(i)) {
-+ /* read directory header */
-+ if (msblk->swap) {
-+ struct squashfs_dir_header sdirh;
-+
-+ if (!squashfs_get_cached_block(i->i_sb, (char *) &sdirh,
-+ next_block, next_offset, sizeof(sdirh),
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(sdirh);
-+ SQUASHFS_SWAP_DIR_HEADER(&dirh, &sdirh);
-+ } else {
-+ if (!squashfs_get_cached_block(i->i_sb, (char *) &dirh,
-+ next_block, next_offset, sizeof(dirh),
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(dirh);
-+ }
-+
-+ dir_count = dirh.count + 1;
-+ while (dir_count--) {
-+ if (msblk->swap) {
-+ struct squashfs_dir_entry sdire;
-+ if (!squashfs_get_cached_block(i->i_sb, (char *)
-+ &sdire, next_block, next_offset,
-+ sizeof(sdire), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(sdire);
-+ SQUASHFS_SWAP_DIR_ENTRY(dire, &sdire);
-+ } else {
-+ if (!squashfs_get_cached_block(i->i_sb, (char *)
-+ dire, next_block, next_offset,
-+ sizeof(*dire), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(*dire);
-+ }
-+
-+ if (!squashfs_get_cached_block(i->i_sb, dire->name,
-+ next_block, next_offset,
-+ dire->size + 1, &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += dire->size + 1;
-+
-+ if (file->f_pos >= length)
-+ continue;
-+
-+ dire->name[dire->size + 1] = '\0';
-+
-+ TRACE("Calling filldir(%x, %s, %d, %d, %x:%x, %d, %d)\n",
-+ (unsigned int) dirent, dire->name,
-+ dire->size + 1, (int) file->f_pos,
-+ dirh.start_block, dire->offset,
-+ dirh.inode_number + dire->inode_number,
-+ squashfs_filetype_table[dire->type]);
-+
-+ if (filldir(dirent, dire->name, dire->size + 1,
-+ file->f_pos,
-+ dirh.inode_number + dire->inode_number,
-+ squashfs_filetype_table[dire->type])
-+ < 0) {
-+ TRACE("Filldir returned less than 0\n");
-+ goto finish;
-+ }
-+ file->f_pos = length;
-+ dirs_read++;
-+ }
-+ }
-+
-+finish:
-+ return dirs_read;
-+
-+failed_read:
-+ ERROR("Unable to read directory block [%llx:%x]\n", next_block,
-+ next_offset);
-+ return 0;
-+}
-+
-+
-+static struct dentry *squashfs_lookup(struct inode *i, struct dentry *dentry,
-+ struct nameidata *nd)
-+{
-+ const unsigned char *name = dentry->d_name.name;
-+ int len = dentry->d_name.len;
-+ struct inode *inode = NULL;
-+ struct squashfs_sb_info *msblk = i->i_sb->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ long long next_block = SQUASHFS_I(i)->start_block +
-+ sblk->directory_table_start;
-+ int next_offset = SQUASHFS_I(i)->offset, length = 0,
-+ dir_count;
-+ struct squashfs_dir_header dirh;
-+ char buffer[sizeof(struct squashfs_dir_entry) + SQUASHFS_NAME_LEN];
-+ struct squashfs_dir_entry *dire = (struct squashfs_dir_entry *) buffer;
-+
-+ TRACE("Entered squashfs_lookup [%llx:%x]\n", next_block, next_offset);
-+
-+ if (len > SQUASHFS_NAME_LEN)
-+ goto exit_loop;
-+
-+ length = get_dir_index_using_name(i->i_sb, &next_block, &next_offset,
-+ SQUASHFS_I(i)->u.s2.directory_index_start,
-+ SQUASHFS_I(i)->u.s2.directory_index_offset,
-+ SQUASHFS_I(i)->u.s2.directory_index_count, name,
-+ len);
-+
-+ while (length < i_size_read(i)) {
-+ /* read directory header */
-+ if (msblk->swap) {
-+ struct squashfs_dir_header sdirh;
-+ if (!squashfs_get_cached_block(i->i_sb, (char *) &sdirh,
-+ next_block, next_offset, sizeof(sdirh),
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(sdirh);
-+ SQUASHFS_SWAP_DIR_HEADER(&dirh, &sdirh);
-+ } else {
-+ if (!squashfs_get_cached_block(i->i_sb, (char *) &dirh,
-+ next_block, next_offset, sizeof(dirh),
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(dirh);
-+ }
-+
-+ dir_count = dirh.count + 1;
-+ while (dir_count--) {
-+ if (msblk->swap) {
-+ struct squashfs_dir_entry sdire;
-+ if (!squashfs_get_cached_block(i->i_sb, (char *)
-+ &sdire, next_block,next_offset,
-+ sizeof(sdire), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(sdire);
-+ SQUASHFS_SWAP_DIR_ENTRY(dire, &sdire);
-+ } else {
-+ if (!squashfs_get_cached_block(i->i_sb, (char *)
-+ dire, next_block,next_offset,
-+ sizeof(*dire), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(*dire);
-+ }
-+
-+ if (!squashfs_get_cached_block(i->i_sb, dire->name,
-+ next_block, next_offset, dire->size + 1,
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += dire->size + 1;
-+
-+ if (name[0] < dire->name[0])
-+ goto exit_loop;
-+
-+ if ((len == dire->size + 1) && !strncmp(name,
-+ dire->name, len)) {
-+ squashfs_inode_t ino =
-+ SQUASHFS_MKINODE(dirh.start_block,
-+ dire->offset);
-+
-+ TRACE("calling squashfs_iget for directory "
-+ "entry %s, inode %x:%x, %d\n", name,
-+ dirh.start_block, dire->offset,
-+ dirh.inode_number + dire->inode_number);
-+
-+ inode = (msblk->iget)(i->i_sb, ino);
-+
-+ goto exit_loop;
-+ }
-+ }
-+ }
-+
-+exit_loop:
-+ d_add(dentry, inode);
-+ return ERR_PTR(0);
-+
-+failed_read:
-+ ERROR("Unable to read directory block [%llx:%x]\n", next_block,
-+ next_offset);
-+ goto exit_loop;
-+}
-+
-+
-+static void squashfs_put_super(struct super_block *s)
-+{
-+ int i;
-+
-+ if (s->s_fs_info) {
-+ struct squashfs_sb_info *sbi = s->s_fs_info;
-+ if (sbi->block_cache)
-+ for (i = 0; i < SQUASHFS_CACHED_BLKS; i++)
-+ if (sbi->block_cache[i].block !=
-+ SQUASHFS_INVALID_BLK)
-+ kfree(sbi->block_cache[i].data);
-+ if (sbi->fragment)
-+ for (i = 0; i < SQUASHFS_CACHED_FRAGMENTS; i++)
-+ SQUASHFS_FREE(sbi->fragment[i].data);
-+ kfree(sbi->fragment);
-+ kfree(sbi->block_cache);
-+ kfree(sbi->read_data);
-+ kfree(sbi->read_page);
-+ kfree(sbi->uid);
-+ kfree(sbi->fragment_index);
-+ kfree(sbi->fragment_index_2);
-+ kfree(sbi->meta_index);
-+ kfree(s->s_fs_info);
-+ s->s_fs_info = NULL;
-+ }
-+}
-+
-+
-+static int squashfs_get_sb(struct file_system_type *fs_type,
-+ int flags, const char *dev_name, void *data,
-+ struct vfsmount *mnt)
-+{
-+ return get_sb_bdev(fs_type, flags, dev_name, data, squashfs_fill_super, mnt);
-+}
-+
-+
-+static int __init init_squashfs_fs(void)
-+{
-+ int err = init_inodecache();
-+ if (err)
-+ goto out;
-+
-+ printk(KERN_INFO "squashfs: version 3.0 (2006/03/15) "
-+ "Phillip Lougher\n");
-+
-+ if (!(stream.workspace = vmalloc(zlib_inflate_workspacesize()))) {
-+ ERROR("Failed to allocate zlib workspace\n");
-+ destroy_inodecache();
-+ err = -ENOMEM;
-+ goto out;
-+ }
-+
-+ if ((err = register_filesystem(&squashfs_fs_type))) {
-+ vfree(stream.workspace);
-+ destroy_inodecache();
-+ }
-+
-+out:
-+ return err;
-+}
-+
-+
-+static void __exit exit_squashfs_fs(void)
-+{
-+ vfree(stream.workspace);
-+ unregister_filesystem(&squashfs_fs_type);
-+ destroy_inodecache();
-+}
-+
-+
-+static struct kmem_cache * squashfs_inode_cachep;
-+
-+
-+static struct inode *squashfs_alloc_inode(struct super_block *sb)
-+{
-+ struct squashfs_inode_info *ei;
-+ ei = kmem_cache_alloc(squashfs_inode_cachep, GFP_KERNEL);
-+ if (!ei)
-+ return NULL;
-+ return &ei->vfs_inode;
-+}
-+
-+
-+static void squashfs_destroy_inode(struct inode *inode)
-+{
-+ kmem_cache_free(squashfs_inode_cachep, SQUASHFS_I(inode));
-+}
-+
-+
-+static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags)
-+{
-+ struct squashfs_inode_info *ei = foo;
-+
-+ inode_init_once(&ei->vfs_inode);
-+}
-+
-+
-+static int __init init_inodecache(void)
-+{
-+ squashfs_inode_cachep = kmem_cache_create("squashfs_inode_cache",
-+ sizeof(struct squashfs_inode_info),
-+ 0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
-+ init_once, NULL);
-+ if (squashfs_inode_cachep == NULL)
-+ return -ENOMEM;
-+ return 0;
-+}
-+
-+
-+static void destroy_inodecache(void)
-+{
-+ kmem_cache_destroy(squashfs_inode_cachep);
-+}
-+
-+
-+module_init(init_squashfs_fs);
-+module_exit(exit_squashfs_fs);
-+MODULE_DESCRIPTION("squashfs, a compressed read-only filesystem");
-+MODULE_AUTHOR("Phillip Lougher <phillip@lougher.org.uk>");
-+MODULE_LICENSE("GPL");
---- /dev/null
-+++ b/fs/squashfs/Makefile
-@@ -0,0 +1,7 @@
-+#
-+# Makefile for the linux squashfs routines.
-+#
-+
-+obj-$(CONFIG_SQUASHFS) += squashfs.o
-+squashfs-y += inode.o
-+squashfs-y += squashfs2_0.o
---- /dev/null
-+++ b/fs/squashfs/squashfs2_0.c
-@@ -0,0 +1,758 @@
-+/*
-+ * Squashfs - a compressed read only filesystem for Linux
-+ *
-+ * Copyright (c) 2002, 2003, 2004, 2005, 2006
-+ * Phillip Lougher <phillip@lougher.org.uk>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version 2,
-+ * or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ *
-+ * squashfs2_0.c
-+ */
-+
-+#include <linux/types.h>
-+#include <linux/squashfs_fs.h>
-+#include <linux/module.h>
-+#include <linux/errno.h>
-+#include <linux/slab.h>
-+#include <linux/fs.h>
-+#include <linux/smp_lock.h>
-+#include <linux/slab.h>
-+#include <linux/squashfs_fs_sb.h>
-+#include <linux/squashfs_fs_i.h>
-+#include <linux/buffer_head.h>
-+#include <linux/vfs.h>
-+#include <linux/init.h>
-+#include <linux/dcache.h>
-+#include <linux/wait.h>
-+#include <linux/zlib.h>
-+#include <linux/blkdev.h>
-+#include <linux/vmalloc.h>
-+#include <asm/uaccess.h>
-+#include <asm/semaphore.h>
-+
-+#include "squashfs.h"
-+static int squashfs_readdir_2(struct file *file, void *dirent, filldir_t filldir);
-+static struct dentry *squashfs_lookup_2(struct inode *, struct dentry *,
-+ struct nameidata *);
-+
-+static struct file_operations squashfs_dir_ops_2 = {
-+ .read = generic_read_dir,
-+ .readdir = squashfs_readdir_2
-+};
-+
-+static struct inode_operations squashfs_dir_inode_ops_2 = {
-+ .lookup = squashfs_lookup_2
-+};
-+
-+static unsigned char squashfs_filetype_table[] = {
-+ DT_UNKNOWN, DT_DIR, DT_REG, DT_LNK, DT_BLK, DT_CHR, DT_FIFO, DT_SOCK
-+};
-+
-+static int read_fragment_index_table_2(struct super_block *s)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+
-+ if (!(msblk->fragment_index_2 = kmalloc(SQUASHFS_FRAGMENT_INDEX_BYTES_2
-+ (sblk->fragments), GFP_KERNEL))) {
-+ ERROR("Failed to allocate uid/gid table\n");
-+ return 0;
-+ }
-+
-+ if (SQUASHFS_FRAGMENT_INDEX_BYTES_2(sblk->fragments) &&
-+ !squashfs_read_data(s, (char *)
-+ msblk->fragment_index_2,
-+ sblk->fragment_table_start,
-+ SQUASHFS_FRAGMENT_INDEX_BYTES_2
-+ (sblk->fragments) |
-+ SQUASHFS_COMPRESSED_BIT_BLOCK, NULL)) {
-+ ERROR("unable to read fragment index table\n");
-+ return 0;
-+ }
-+
-+ if (msblk->swap) {
-+ int i;
-+ unsigned int fragment;
-+
-+ for (i = 0; i < SQUASHFS_FRAGMENT_INDEXES_2(sblk->fragments);
-+ i++) {
-+ SQUASHFS_SWAP_FRAGMENT_INDEXES_2((&fragment),
-+ &msblk->fragment_index_2[i], 1);
-+ msblk->fragment_index_2[i] = fragment;
-+ }
-+ }
-+
-+ return 1;
-+}
-+
-+
-+static int get_fragment_location_2(struct super_block *s, unsigned int fragment,
-+ long long *fragment_start_block,
-+ unsigned int *fragment_size)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ long long start_block =
-+ msblk->fragment_index_2[SQUASHFS_FRAGMENT_INDEX_2(fragment)];
-+ int offset = SQUASHFS_FRAGMENT_INDEX_OFFSET_2(fragment);
-+ struct squashfs_fragment_entry_2 fragment_entry;
-+
-+ if (msblk->swap) {
-+ struct squashfs_fragment_entry_2 sfragment_entry;
-+
-+ if (!squashfs_get_cached_block(s, (char *) &sfragment_entry,
-+ start_block, offset,
-+ sizeof(sfragment_entry), &start_block,
-+ &offset))
-+ goto out;
-+ SQUASHFS_SWAP_FRAGMENT_ENTRY_2(&fragment_entry, &sfragment_entry);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *) &fragment_entry,
-+ start_block, offset,
-+ sizeof(fragment_entry), &start_block,
-+ &offset))
-+ goto out;
-+
-+ *fragment_start_block = fragment_entry.start_block;
-+ *fragment_size = fragment_entry.size;
-+
-+ return 1;
-+
-+out:
-+ return 0;
-+}
-+
-+
-+static struct inode *squashfs_new_inode(struct super_block *s,
-+ struct squashfs_base_inode_header_2 *inodeb, unsigned int ino)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ struct inode *i = new_inode(s);
-+
-+ if (i) {
-+ i->i_ino = ino;
-+ i->i_mtime.tv_sec = sblk->mkfs_time;
-+ i->i_atime.tv_sec = sblk->mkfs_time;
-+ i->i_ctime.tv_sec = sblk->mkfs_time;
-+ i->i_uid = msblk->uid[inodeb->uid];
-+ i->i_mode = inodeb->mode;
-+ i->i_nlink = 1;
-+ i->i_size = 0;
-+ if (inodeb->guid == SQUASHFS_GUIDS)
-+ i->i_gid = i->i_uid;
-+ else
-+ i->i_gid = msblk->guid[inodeb->guid];
-+ }
-+
-+ return i;
-+}
-+
-+
-+static struct inode *squashfs_iget_2(struct super_block *s, squashfs_inode_t inode)
-+{
-+ struct inode *i;
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ unsigned int block = SQUASHFS_INODE_BLK(inode) +
-+ sblk->inode_table_start;
-+ unsigned int offset = SQUASHFS_INODE_OFFSET(inode);
-+ unsigned int ino = SQUASHFS_MK_VFS_INODE(block
-+ - sblk->inode_table_start, offset);
-+ long long next_block;
-+ unsigned int next_offset;
-+ union squashfs_inode_header_2 id, sid;
-+ struct squashfs_base_inode_header_2 *inodeb = &id.base,
-+ *sinodeb = &sid.base;
-+
-+ TRACE("Entered squashfs_iget\n");
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *) sinodeb, block,
-+ offset, sizeof(*sinodeb), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_BASE_INODE_HEADER_2(inodeb, sinodeb,
-+ sizeof(*sinodeb));
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *) inodeb, block,
-+ offset, sizeof(*inodeb), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ switch(inodeb->inode_type) {
-+ case SQUASHFS_FILE_TYPE: {
-+ struct squashfs_reg_inode_header_2 *inodep = &id.reg;
-+ struct squashfs_reg_inode_header_2 *sinodep = &sid.reg;
-+ long long frag_blk;
-+ unsigned int frag_size;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_REG_INODE_HEADER_2(inodep, sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ frag_blk = SQUASHFS_INVALID_BLK;
-+ if (inodep->fragment != SQUASHFS_INVALID_FRAG &&
-+ !get_fragment_location_2(s,
-+ inodep->fragment, &frag_blk, &frag_size))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb, ino)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_size = inodep->file_size;
-+ i->i_fop = &generic_ro_fops;
-+ i->i_mode |= S_IFREG;
-+ i->i_mtime.tv_sec = inodep->mtime;
-+ i->i_atime.tv_sec = inodep->mtime;
-+ i->i_ctime.tv_sec = inodep->mtime;
-+ i->i_blocks = ((i->i_size - 1) >> 9) + 1;
-+ i->i_blksize = PAGE_CACHE_SIZE;
-+ SQUASHFS_I(i)->u.s1.fragment_start_block = frag_blk;
-+ SQUASHFS_I(i)->u.s1.fragment_size = frag_size;
-+ SQUASHFS_I(i)->u.s1.fragment_offset = inodep->offset;
-+ SQUASHFS_I(i)->start_block = inodep->start_block;
-+ SQUASHFS_I(i)->u.s1.block_list_start = next_block;
-+ SQUASHFS_I(i)->offset = next_offset;
-+ if (sblk->block_size > 4096)
-+ i->i_data.a_ops = &squashfs_aops;
-+ else
-+ i->i_data.a_ops = &squashfs_aops_4K;
-+
-+ TRACE("File inode %x:%x, start_block %x, "
-+ "block_list_start %llx, offset %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ inodep->start_block, next_block,
-+ next_offset);
-+ break;
-+ }
-+ case SQUASHFS_DIR_TYPE: {
-+ struct squashfs_dir_inode_header_2 *inodep = &id.dir;
-+ struct squashfs_dir_inode_header_2 *sinodep = &sid.dir;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_DIR_INODE_HEADER_2(inodep, sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb, ino)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_size = inodep->file_size;
-+ i->i_op = &squashfs_dir_inode_ops_2;
-+ i->i_fop = &squashfs_dir_ops_2;
-+ i->i_mode |= S_IFDIR;
-+ i->i_mtime.tv_sec = inodep->mtime;
-+ i->i_atime.tv_sec = inodep->mtime;
-+ i->i_ctime.tv_sec = inodep->mtime;
-+ SQUASHFS_I(i)->start_block = inodep->start_block;
-+ SQUASHFS_I(i)->offset = inodep->offset;
-+ SQUASHFS_I(i)->u.s2.directory_index_count = 0;
-+ SQUASHFS_I(i)->u.s2.parent_inode = 0;
-+
-+ TRACE("Directory inode %x:%x, start_block %x, offset "
-+ "%x\n", SQUASHFS_INODE_BLK(inode),
-+ offset, inodep->start_block,
-+ inodep->offset);
-+ break;
-+ }
-+ case SQUASHFS_LDIR_TYPE: {
-+ struct squashfs_ldir_inode_header_2 *inodep = &id.ldir;
-+ struct squashfs_ldir_inode_header_2 *sinodep = &sid.ldir;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_LDIR_INODE_HEADER_2(inodep,
-+ sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb, ino)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_size = inodep->file_size;
-+ i->i_op = &squashfs_dir_inode_ops_2;
-+ i->i_fop = &squashfs_dir_ops_2;
-+ i->i_mode |= S_IFDIR;
-+ i->i_mtime.tv_sec = inodep->mtime;
-+ i->i_atime.tv_sec = inodep->mtime;
-+ i->i_ctime.tv_sec = inodep->mtime;
-+ SQUASHFS_I(i)->start_block = inodep->start_block;
-+ SQUASHFS_I(i)->offset = inodep->offset;
-+ SQUASHFS_I(i)->u.s2.directory_index_start = next_block;
-+ SQUASHFS_I(i)->u.s2.directory_index_offset =
-+ next_offset;
-+ SQUASHFS_I(i)->u.s2.directory_index_count =
-+ inodep->i_count;
-+ SQUASHFS_I(i)->u.s2.parent_inode = 0;
-+
-+ TRACE("Long directory inode %x:%x, start_block %x, "
-+ "offset %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ inodep->start_block, inodep->offset);
-+ break;
-+ }
-+ case SQUASHFS_SYMLINK_TYPE: {
-+ struct squashfs_symlink_inode_header_2 *inodep =
-+ &id.symlink;
-+ struct squashfs_symlink_inode_header_2 *sinodep =
-+ &sid.symlink;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_SYMLINK_INODE_HEADER_2(inodep,
-+ sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if((i = squashfs_new_inode(s, inodeb, ino)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_size = inodep->symlink_size;
-+ i->i_op = &page_symlink_inode_operations;
-+ i->i_data.a_ops = &squashfs_symlink_aops;
-+ i->i_mode |= S_IFLNK;
-+ SQUASHFS_I(i)->start_block = next_block;
-+ SQUASHFS_I(i)->offset = next_offset;
-+
-+ TRACE("Symbolic link inode %x:%x, start_block %llx, "
-+ "offset %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ next_block, next_offset);
-+ break;
-+ }
-+ case SQUASHFS_BLKDEV_TYPE:
-+ case SQUASHFS_CHRDEV_TYPE: {
-+ struct squashfs_dev_inode_header_2 *inodep = &id.dev;
-+ struct squashfs_dev_inode_header_2 *sinodep = &sid.dev;
-+
-+ if (msblk->swap) {
-+ if (!squashfs_get_cached_block(s, (char *)
-+ sinodep, block, offset,
-+ sizeof(*sinodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+ SQUASHFS_SWAP_DEV_INODE_HEADER_2(inodep, sinodep);
-+ } else
-+ if (!squashfs_get_cached_block(s, (char *)
-+ inodep, block, offset,
-+ sizeof(*inodep), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ if ((i = squashfs_new_inode(s, inodeb, ino)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_mode |= (inodeb->inode_type ==
-+ SQUASHFS_CHRDEV_TYPE) ? S_IFCHR :
-+ S_IFBLK;
-+ init_special_inode(i, i->i_mode,
-+ old_decode_dev(inodep->rdev));
-+
-+ TRACE("Device inode %x:%x, rdev %x\n",
-+ SQUASHFS_INODE_BLK(inode), offset,
-+ inodep->rdev);
-+ break;
-+ }
-+ case SQUASHFS_FIFO_TYPE:
-+ case SQUASHFS_SOCKET_TYPE: {
-+ if ((i = squashfs_new_inode(s, inodeb, ino)) == NULL)
-+ goto failed_read1;
-+
-+ i->i_mode |= (inodeb->inode_type == SQUASHFS_FIFO_TYPE)
-+ ? S_IFIFO : S_IFSOCK;
-+ init_special_inode(i, i->i_mode, 0);
-+ break;
-+ }
-+ default:
-+ ERROR("Unknown inode type %d in squashfs_iget!\n",
-+ inodeb->inode_type);
-+ goto failed_read1;
-+ }
-+
-+ insert_inode_hash(i);
-+ return i;
-+
-+failed_read:
-+ ERROR("Unable to read inode [%x:%x]\n", block, offset);
-+
-+failed_read1:
-+ return NULL;
-+}
-+
-+
-+static int get_dir_index_using_offset(struct super_block *s, long long
-+ *next_block, unsigned int *next_offset,
-+ long long index_start,
-+ unsigned int index_offset, int i_count,
-+ long long f_pos)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ int i, length = 0;
-+ struct squashfs_dir_index_2 index;
-+
-+ TRACE("Entered get_dir_index_using_offset, i_count %d, f_pos %d\n",
-+ i_count, (unsigned int) f_pos);
-+
-+ if (f_pos == 0)
-+ goto finish;
-+
-+ for (i = 0; i < i_count; i++) {
-+ if (msblk->swap) {
-+ struct squashfs_dir_index_2 sindex;
-+ squashfs_get_cached_block(s, (char *) &sindex,
-+ index_start, index_offset,
-+ sizeof(sindex), &index_start,
-+ &index_offset);
-+ SQUASHFS_SWAP_DIR_INDEX_2(&index, &sindex);
-+ } else
-+ squashfs_get_cached_block(s, (char *) &index,
-+ index_start, index_offset,
-+ sizeof(index), &index_start,
-+ &index_offset);
-+
-+ if (index.index > f_pos)
-+ break;
-+
-+ squashfs_get_cached_block(s, NULL, index_start, index_offset,
-+ index.size + 1, &index_start,
-+ &index_offset);
-+
-+ length = index.index;
-+ *next_block = index.start_block + sblk->directory_table_start;
-+ }
-+
-+ *next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE;
-+
-+finish:
-+ return length;
-+}
-+
-+
-+static int get_dir_index_using_name(struct super_block *s, long long
-+ *next_block, unsigned int *next_offset,
-+ long long index_start,
-+ unsigned int index_offset, int i_count,
-+ const char *name, int size)
-+{
-+ struct squashfs_sb_info *msblk = s->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ int i, length = 0;
-+ char buffer[sizeof(struct squashfs_dir_index_2) + SQUASHFS_NAME_LEN + 1];
-+ struct squashfs_dir_index_2 *index = (struct squashfs_dir_index_2 *) buffer;
-+ char str[SQUASHFS_NAME_LEN + 1];
-+
-+ TRACE("Entered get_dir_index_using_name, i_count %d\n", i_count);
-+
-+ strncpy(str, name, size);
-+ str[size] = '\0';
-+
-+ for (i = 0; i < i_count; i++) {
-+ if (msblk->swap) {
-+ struct squashfs_dir_index_2 sindex;
-+ squashfs_get_cached_block(s, (char *) &sindex,
-+ index_start, index_offset,
-+ sizeof(sindex), &index_start,
-+ &index_offset);
-+ SQUASHFS_SWAP_DIR_INDEX_2(index, &sindex);
-+ } else
-+ squashfs_get_cached_block(s, (char *) index,
-+ index_start, index_offset,
-+ sizeof(struct squashfs_dir_index_2),
-+ &index_start, &index_offset);
-+
-+ squashfs_get_cached_block(s, index->name, index_start,
-+ index_offset, index->size + 1,
-+ &index_start, &index_offset);
-+
-+ index->name[index->size + 1] = '\0';
-+
-+ if (strcmp(index->name, str) > 0)
-+ break;
-+
-+ length = index->index;
-+ *next_block = index->start_block + sblk->directory_table_start;
-+ }
-+
-+ *next_offset = (length + *next_offset) % SQUASHFS_METADATA_SIZE;
-+ return length;
-+}
-+
-+
-+static int squashfs_readdir_2(struct file *file, void *dirent, filldir_t filldir)
-+{
-+ struct inode *i = file->f_dentry->d_inode;
-+ struct squashfs_sb_info *msblk = i->i_sb->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ long long next_block = SQUASHFS_I(i)->start_block +
-+ sblk->directory_table_start;
-+ int next_offset = SQUASHFS_I(i)->offset, length = 0, dirs_read = 0,
-+ dir_count;
-+ struct squashfs_dir_header_2 dirh;
-+ char buffer[sizeof(struct squashfs_dir_entry_2) + SQUASHFS_NAME_LEN + 1];
-+ struct squashfs_dir_entry_2 *dire = (struct squashfs_dir_entry_2 *) buffer;
-+
-+ TRACE("Entered squashfs_readdir_2 [%llx:%x]\n", next_block, next_offset);
-+
-+ length = get_dir_index_using_offset(i->i_sb, &next_block, &next_offset,
-+ SQUASHFS_I(i)->u.s2.directory_index_start,
-+ SQUASHFS_I(i)->u.s2.directory_index_offset,
-+ SQUASHFS_I(i)->u.s2.directory_index_count,
-+ file->f_pos);
-+
-+ while (length < i_size_read(i)) {
-+ /* read directory header */
-+ if (msblk->swap) {
-+ struct squashfs_dir_header_2 sdirh;
-+
-+ if (!squashfs_get_cached_block(i->i_sb, (char *) &sdirh,
-+ next_block, next_offset, sizeof(sdirh),
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(sdirh);
-+ SQUASHFS_SWAP_DIR_HEADER_2(&dirh, &sdirh);
-+ } else {
-+ if (!squashfs_get_cached_block(i->i_sb, (char *) &dirh,
-+ next_block, next_offset, sizeof(dirh),
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(dirh);
-+ }
-+
-+ dir_count = dirh.count + 1;
-+ while (dir_count--) {
-+ if (msblk->swap) {
-+ struct squashfs_dir_entry_2 sdire;
-+ if (!squashfs_get_cached_block(i->i_sb, (char *)
-+ &sdire, next_block, next_offset,
-+ sizeof(sdire), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(sdire);
-+ SQUASHFS_SWAP_DIR_ENTRY_2(dire, &sdire);
-+ } else {
-+ if (!squashfs_get_cached_block(i->i_sb, (char *)
-+ dire, next_block, next_offset,
-+ sizeof(*dire), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(*dire);
-+ }
-+
-+ if (!squashfs_get_cached_block(i->i_sb, dire->name,
-+ next_block, next_offset,
-+ dire->size + 1, &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += dire->size + 1;
-+
-+ if (file->f_pos >= length)
-+ continue;
-+
-+ dire->name[dire->size + 1] = '\0';
-+
-+ TRACE("Calling filldir(%x, %s, %d, %d, %x:%x, %d)\n",
-+ (unsigned int) dirent, dire->name,
-+ dire->size + 1, (int) file->f_pos,
-+ dirh.start_block, dire->offset,
-+ squashfs_filetype_table[dire->type]);
-+
-+ if (filldir(dirent, dire->name, dire->size + 1,
-+ file->f_pos, SQUASHFS_MK_VFS_INODE(
-+ dirh.start_block, dire->offset),
-+ squashfs_filetype_table[dire->type])
-+ < 0) {
-+ TRACE("Filldir returned less than 0\n");
-+ goto finish;
-+ }
-+ file->f_pos = length;
-+ dirs_read++;
-+ }
-+ }
-+
-+finish:
-+ return dirs_read;
-+
-+failed_read:
-+ ERROR("Unable to read directory block [%llx:%x]\n", next_block,
-+ next_offset);
-+ return 0;
-+}
-+
-+
-+static struct dentry *squashfs_lookup_2(struct inode *i, struct dentry *dentry,
-+ struct nameidata *nd)
-+{
-+ const unsigned char *name = dentry->d_name.name;
-+ int len = dentry->d_name.len;
-+ struct inode *inode = NULL;
-+ struct squashfs_sb_info *msblk = i->i_sb->s_fs_info;
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+ long long next_block = SQUASHFS_I(i)->start_block +
-+ sblk->directory_table_start;
-+ int next_offset = SQUASHFS_I(i)->offset, length = 0,
-+ dir_count;
-+ struct squashfs_dir_header_2 dirh;
-+ char buffer[sizeof(struct squashfs_dir_entry_2) + SQUASHFS_NAME_LEN];
-+ struct squashfs_dir_entry_2 *dire = (struct squashfs_dir_entry_2 *) buffer;
-+ int sorted = sblk->s_major == 2 && sblk->s_minor >= 1;
-+
-+ TRACE("Entered squashfs_lookup [%llx:%x]\n", next_block, next_offset);
-+
-+ if (len > SQUASHFS_NAME_LEN)
-+ goto exit_loop;
-+
-+ length = get_dir_index_using_name(i->i_sb, &next_block, &next_offset,
-+ SQUASHFS_I(i)->u.s2.directory_index_start,
-+ SQUASHFS_I(i)->u.s2.directory_index_offset,
-+ SQUASHFS_I(i)->u.s2.directory_index_count, name,
-+ len);
-+
-+ while (length < i_size_read(i)) {
-+ /* read directory header */
-+ if (msblk->swap) {
-+ struct squashfs_dir_header_2 sdirh;
-+ if (!squashfs_get_cached_block(i->i_sb, (char *) &sdirh,
-+ next_block, next_offset, sizeof(sdirh),
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(sdirh);
-+ SQUASHFS_SWAP_DIR_HEADER_2(&dirh, &sdirh);
-+ } else {
-+ if (!squashfs_get_cached_block(i->i_sb, (char *) &dirh,
-+ next_block, next_offset, sizeof(dirh),
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(dirh);
-+ }
-+
-+ dir_count = dirh.count + 1;
-+ while (dir_count--) {
-+ if (msblk->swap) {
-+ struct squashfs_dir_entry_2 sdire;
-+ if (!squashfs_get_cached_block(i->i_sb, (char *)
-+ &sdire, next_block,next_offset,
-+ sizeof(sdire), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(sdire);
-+ SQUASHFS_SWAP_DIR_ENTRY_2(dire, &sdire);
-+ } else {
-+ if (!squashfs_get_cached_block(i->i_sb, (char *)
-+ dire, next_block,next_offset,
-+ sizeof(*dire), &next_block,
-+ &next_offset))
-+ goto failed_read;
-+
-+ length += sizeof(*dire);
-+ }
-+
-+ if (!squashfs_get_cached_block(i->i_sb, dire->name,
-+ next_block, next_offset, dire->size + 1,
-+ &next_block, &next_offset))
-+ goto failed_read;
-+
-+ length += dire->size + 1;
-+
-+ if (sorted && name[0] < dire->name[0])
-+ goto exit_loop;
-+
-+ if ((len == dire->size + 1) && !strncmp(name,
-+ dire->name, len)) {
-+ squashfs_inode_t ino =
-+ SQUASHFS_MKINODE(dirh.start_block,
-+ dire->offset);
-+
-+ TRACE("calling squashfs_iget for directory "
-+ "entry %s, inode %x:%x, %lld\n", name,
-+ dirh.start_block, dire->offset, ino);
-+
-+ inode = (msblk->iget)(i->i_sb, ino);
-+
-+ goto exit_loop;
-+ }
-+ }
-+ }
-+
-+exit_loop:
-+ d_add(dentry, inode);
-+ return ERR_PTR(0);
-+
-+failed_read:
-+ ERROR("Unable to read directory block [%llx:%x]\n", next_block,
-+ next_offset);
-+ goto exit_loop;
-+}
-+
-+
-+int squashfs_2_0_supported(struct squashfs_sb_info *msblk)
-+{
-+ struct squashfs_super_block *sblk = &msblk->sblk;
-+
-+ msblk->iget = squashfs_iget_2;
-+ msblk->read_fragment_index_table = read_fragment_index_table_2;
-+
-+ sblk->bytes_used = sblk->bytes_used_2;
-+ sblk->uid_start = sblk->uid_start_2;
-+ sblk->guid_start = sblk->guid_start_2;
-+ sblk->inode_table_start = sblk->inode_table_start_2;
-+ sblk->directory_table_start = sblk->directory_table_start_2;
-+ sblk->fragment_table_start = sblk->fragment_table_start_2;
-+
-+ return 1;
-+}
---- /dev/null
-+++ b/fs/squashfs/squashfs.h
-@@ -0,0 +1,86 @@
-+/*
-+ * Squashfs - a compressed read only filesystem for Linux
-+ *
-+ * Copyright (c) 2002, 2003, 2004, 2005, 2006
-+ * Phillip Lougher <phillip@lougher.org.uk>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version 2,
-+ * or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ *
-+ * squashfs.h
-+ */
-+
-+#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY
-+#undef CONFIG_SQUASHFS_1_0_COMPATIBILITY
-+#endif
-+
-+#ifdef SQUASHFS_TRACE
-+#define TRACE(s, args...) printk(KERN_NOTICE "SQUASHFS: "s, ## args)
-+#else
-+#define TRACE(s, args...) {}
-+#endif
-+
-+#define ERROR(s, args...) printk(KERN_ERR "SQUASHFS error: "s, ## args)
-+
-+#define SERROR(s, args...) do { \
-+ if (!silent) \
-+ printk(KERN_ERR "SQUASHFS error: "s, ## args);\
-+ } while(0)
-+
-+#define WARNING(s, args...) printk(KERN_WARNING "SQUASHFS: "s, ## args)
-+
-+static inline struct squashfs_inode_info *SQUASHFS_I(struct inode *inode)
-+{
-+ return list_entry(inode, struct squashfs_inode_info, vfs_inode);
-+}
-+
-+#if defined(CONFIG_SQUASHFS_1_0_COMPATIBILITY ) || defined(CONFIG_SQUASHFS_2_0_COMPATIBILITY)
-+#define SQSH_EXTERN
-+extern unsigned int squashfs_read_data(struct super_block *s, char *buffer,
-+ long long index, unsigned int length,
-+ long long *next_index);
-+extern int squashfs_get_cached_block(struct super_block *s, char *buffer,
-+ long long block, unsigned int offset,
-+ int length, long long *next_block,
-+ unsigned int *next_offset);
-+extern void release_cached_fragment(struct squashfs_sb_info *msblk, struct
-+ squashfs_fragment_cache *fragment);
-+extern struct squashfs_fragment_cache *get_cached_fragment(struct super_block
-+ *s, long long start_block,
-+ int length);
-+extern struct address_space_operations squashfs_symlink_aops;
-+extern struct address_space_operations squashfs_aops;
-+extern struct address_space_operations squashfs_aops_4K;
-+extern struct inode_operations squashfs_dir_inode_ops;
-+#else
-+#define SQSH_EXTERN static
-+#endif
-+
-+#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY
-+extern int squashfs_1_0_supported(struct squashfs_sb_info *msblk);
-+#else
-+static inline int squashfs_1_0_supported(struct squashfs_sb_info *msblk)
-+{
-+ return 0;
-+}
-+#endif
-+
-+#ifdef CONFIG_SQUASHFS_2_0_COMPATIBILITY
-+extern int squashfs_2_0_supported(struct squashfs_sb_info *msblk);
-+#else
-+static inline int squashfs_2_0_supported(struct squashfs_sb_info *msblk)
-+{
-+ return 0;
-+}
-+#endif
---- a/include/linux/magic.h
-+++ b/include/linux/magic.h
-@@ -36,6 +36,9 @@
- #define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
- #define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
-
-+#define SQUASHFS_MAGIC 0x73717368
-+#define SQUASHFS_MAGIC_SWAP 0x68737173
-+
- #define SMB_SUPER_MAGIC 0x517B
- #define USBDEVICE_SUPER_MAGIC 0x9fa2
-
---- /dev/null
-+++ b/include/linux/squashfs_fs.h
-@@ -0,0 +1,911 @@
-+#ifndef SQUASHFS_FS
-+#define SQUASHFS_FS
-+
-+/*
-+ * Squashfs
-+ *
-+ * Copyright (c) 2002, 2003, 2004, 2005, 2006
-+ * Phillip Lougher <phillip@lougher.org.uk>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version 2,
-+ * or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ *
-+ * squashfs_fs.h
-+ */
-+
-+#ifndef CONFIG_SQUASHFS_2_0_COMPATIBILITY
-+#define CONFIG_SQUASHFS_2_0_COMPATIBILITY
-+#endif
-+
-+#ifdef CONFIG_SQUASHFS_VMALLOC
-+#define SQUASHFS_ALLOC(a) vmalloc(a)
-+#define SQUASHFS_FREE(a) vfree(a)
-+#else
-+#define SQUASHFS_ALLOC(a) kmalloc(a, GFP_KERNEL)
-+#define SQUASHFS_FREE(a) kfree(a)
-+#endif
-+#define SQUASHFS_CACHED_FRAGMENTS CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE
-+#define SQUASHFS_MAJOR 3
-+#define SQUASHFS_MINOR 0
-+#define SQUASHFS_START 0
-+
-+/* size of metadata (inode and directory) blocks */
-+#define SQUASHFS_METADATA_SIZE 8192
-+#define SQUASHFS_METADATA_LOG 13
-+
-+/* default size of data blocks */
-+#define SQUASHFS_FILE_SIZE 65536
-+#define SQUASHFS_FILE_LOG 16
-+
-+#define SQUASHFS_FILE_MAX_SIZE 65536
-+
-+/* Max number of uids and gids */
-+#define SQUASHFS_UIDS 256
-+#define SQUASHFS_GUIDS 255
-+
-+/* Max length of filename (not 255) */
-+#define SQUASHFS_NAME_LEN 256
-+
-+#define SQUASHFS_INVALID ((long long) 0xffffffffffff)
-+#define SQUASHFS_INVALID_FRAG ((unsigned int) 0xffffffff)
-+#define SQUASHFS_INVALID_BLK ((long long) -1)
-+#define SQUASHFS_USED_BLK ((long long) -2)
-+
-+/* Filesystem flags */
-+#define SQUASHFS_NOI 0
-+#define SQUASHFS_NOD 1
-+#define SQUASHFS_CHECK 2
-+#define SQUASHFS_NOF 3
-+#define SQUASHFS_NO_FRAG 4
-+#define SQUASHFS_ALWAYS_FRAG 5
-+#define SQUASHFS_DUPLICATE 6
-+
-+#define SQUASHFS_BIT(flag, bit) ((flag >> bit) & 1)
-+
-+#define SQUASHFS_UNCOMPRESSED_INODES(flags) SQUASHFS_BIT(flags, \
-+ SQUASHFS_NOI)
-+
-+#define SQUASHFS_UNCOMPRESSED_DATA(flags) SQUASHFS_BIT(flags, \
-+ SQUASHFS_NOD)
-+
-+#define SQUASHFS_UNCOMPRESSED_FRAGMENTS(flags) SQUASHFS_BIT(flags, \
-+ SQUASHFS_NOF)
-+
-+#define SQUASHFS_NO_FRAGMENTS(flags) SQUASHFS_BIT(flags, \
-+ SQUASHFS_NO_FRAG)
-+
-+#define SQUASHFS_ALWAYS_FRAGMENTS(flags) SQUASHFS_BIT(flags, \
-+ SQUASHFS_ALWAYS_FRAG)
-+
-+#define SQUASHFS_DUPLICATES(flags) SQUASHFS_BIT(flags, \
-+ SQUASHFS_DUPLICATE)
-+
-+#define SQUASHFS_CHECK_DATA(flags) SQUASHFS_BIT(flags, \
-+ SQUASHFS_CHECK)
-+
-+#define SQUASHFS_MKFLAGS(noi, nod, check_data, nof, no_frag, always_frag, \
-+ duplicate_checking) (noi | (nod << 1) | (check_data << 2) \
-+ | (nof << 3) | (no_frag << 4) | (always_frag << 5) | \
-+ (duplicate_checking << 6))
-+
-+/* Max number of types and file types */
-+#define SQUASHFS_DIR_TYPE 1
-+#define SQUASHFS_FILE_TYPE 2
-+#define SQUASHFS_SYMLINK_TYPE 3
-+#define SQUASHFS_BLKDEV_TYPE 4
-+#define SQUASHFS_CHRDEV_TYPE 5
-+#define SQUASHFS_FIFO_TYPE 6
-+#define SQUASHFS_SOCKET_TYPE 7
-+#define SQUASHFS_LDIR_TYPE 8
-+#define SQUASHFS_LREG_TYPE 9
-+
-+/* 1.0 filesystem type definitions */
-+#define SQUASHFS_TYPES 5
-+#define SQUASHFS_IPC_TYPE 0
-+
-+/* Flag whether block is compressed or uncompressed, bit is set if block is
-+ * uncompressed */
-+#define SQUASHFS_COMPRESSED_BIT (1 << 15)
-+
-+#define SQUASHFS_COMPRESSED_SIZE(B) (((B) & ~SQUASHFS_COMPRESSED_BIT) ? \
-+ (B) & ~SQUASHFS_COMPRESSED_BIT : SQUASHFS_COMPRESSED_BIT)
-+
-+#define SQUASHFS_COMPRESSED(B) (!((B) & SQUASHFS_COMPRESSED_BIT))
-+
-+#define SQUASHFS_COMPRESSED_BIT_BLOCK (1 << 24)
-+
-+#define SQUASHFS_COMPRESSED_SIZE_BLOCK(B) (((B) & \
-+ ~SQUASHFS_COMPRESSED_BIT_BLOCK) ? (B) & \
-+ ~SQUASHFS_COMPRESSED_BIT_BLOCK : SQUASHFS_COMPRESSED_BIT_BLOCK)
-+
-+#define SQUASHFS_COMPRESSED_BLOCK(B) (!((B) & SQUASHFS_COMPRESSED_BIT_BLOCK))
-+
-+/*
-+ * Inode number ops. Inodes consist of a compressed block number, and an
-+ * uncompressed offset within that block
-+ */
-+#define SQUASHFS_INODE_BLK(a) ((unsigned int) ((a) >> 16))
-+
-+#define SQUASHFS_INODE_OFFSET(a) ((unsigned int) ((a) & 0xffff))
-+
-+#define SQUASHFS_MKINODE(A, B) ((squashfs_inode_t)(((squashfs_inode_t) (A)\
-+ << 16) + (B)))
-+
-+/* Compute 32 bit VFS inode number from squashfs inode number */
-+#define SQUASHFS_MK_VFS_INODE(a, b) ((unsigned int) (((a) << 8) + \
-+ ((b) >> 2) + 1))
-+/* XXX */
-+
-+/* Translate between VFS mode and squashfs mode */
-+#define SQUASHFS_MODE(a) ((a) & 0xfff)
-+
-+/* fragment and fragment table defines */
-+#define SQUASHFS_FRAGMENT_BYTES(A) (A * sizeof(struct squashfs_fragment_entry))
-+
-+#define SQUASHFS_FRAGMENT_INDEX(A) (SQUASHFS_FRAGMENT_BYTES(A) / \
-+ SQUASHFS_METADATA_SIZE)
-+
-+#define SQUASHFS_FRAGMENT_INDEX_OFFSET(A) (SQUASHFS_FRAGMENT_BYTES(A) % \
-+ SQUASHFS_METADATA_SIZE)
-+
-+#define SQUASHFS_FRAGMENT_INDEXES(A) ((SQUASHFS_FRAGMENT_BYTES(A) + \
-+ SQUASHFS_METADATA_SIZE - 1) / \
-+ SQUASHFS_METADATA_SIZE)
-+
-+#define SQUASHFS_FRAGMENT_INDEX_BYTES(A) (SQUASHFS_FRAGMENT_INDEXES(A) *\
-+ sizeof(long long))
-+
-+/* cached data constants for filesystem */
-+#define SQUASHFS_CACHED_BLKS 8
-+
-+#define SQUASHFS_MAX_FILE_SIZE_LOG 64
-+
-+#define SQUASHFS_MAX_FILE_SIZE ((long long) 1 << \
-+ (SQUASHFS_MAX_FILE_SIZE_LOG - 2))
-+
-+#define SQUASHFS_MARKER_BYTE 0xff
-+
-+/* meta index cache */
-+#define SQUASHFS_META_INDEXES (SQUASHFS_METADATA_SIZE / sizeof(unsigned int))
-+#define SQUASHFS_META_ENTRIES 31
-+#define SQUASHFS_META_NUMBER 8
-+#define SQUASHFS_SLOTS 4
-+
-+#include <linux/magic.h>
-+
-+struct meta_entry {
-+ long long data_block;
-+ unsigned int index_block;
-+ unsigned short offset;
-+ unsigned short pad;
-+};
-+
-+struct meta_index {
-+ unsigned int inode_number;
-+ unsigned int offset;
-+ unsigned short entries;
-+ unsigned short skip;
-+ unsigned short locked;
-+ unsigned short pad;
-+ struct meta_entry meta_entry[SQUASHFS_META_ENTRIES];
-+};
-+
-+
-+/*
-+ * definitions for structures on disk
-+ */
-+
-+typedef long long squashfs_block_t;
-+typedef long long squashfs_inode_t;
-+
-+struct squashfs_super_block {
-+ unsigned int s_magic;
-+ unsigned int inodes;
-+ unsigned int bytes_used_2;
-+ unsigned int uid_start_2;
-+ unsigned int guid_start_2;
-+ unsigned int inode_table_start_2;
-+ unsigned int directory_table_start_2;
-+ unsigned int s_major:16;
-+ unsigned int s_minor:16;
-+ unsigned int block_size_1:16;
-+ unsigned int block_log:16;
-+ unsigned int flags:8;
-+ unsigned int no_uids:8;
-+ unsigned int no_guids:8;
-+ unsigned int mkfs_time /* time of filesystem creation */;
-+ squashfs_inode_t root_inode;
-+ unsigned int block_size;
-+ unsigned int fragments;
-+ unsigned int fragment_table_start_2;
-+ long long bytes_used;
-+ long long uid_start;
-+ long long guid_start;
-+ long long inode_table_start;
-+ long long directory_table_start;
-+ long long fragment_table_start;
-+ long long unused;
-+} __attribute__ ((packed));
-+
-+struct squashfs_dir_index {
-+ unsigned int index;
-+ unsigned int start_block;
-+ unsigned char size;
-+ unsigned char name[0];
-+} __attribute__ ((packed));
-+
-+#define SQUASHFS_BASE_INODE_HEADER \
-+ unsigned int inode_type:4; \
-+ unsigned int mode:12; \
-+ unsigned int uid:8; \
-+ unsigned int guid:8; \
-+ unsigned int mtime; \
-+ unsigned int inode_number;
-+
-+struct squashfs_base_inode_header {
-+ SQUASHFS_BASE_INODE_HEADER;
-+} __attribute__ ((packed));
-+
-+struct squashfs_ipc_inode_header {
-+ SQUASHFS_BASE_INODE_HEADER;
-+ unsigned int nlink;
-+} __attribute__ ((packed));
-+
-+struct squashfs_dev_inode_header {
-+ SQUASHFS_BASE_INODE_HEADER;
-+ unsigned int nlink;
-+ unsigned short rdev;
-+} __attribute__ ((packed));
-+
-+struct squashfs_symlink_inode_header {
-+ SQUASHFS_BASE_INODE_HEADER;
-+ unsigned int nlink;
-+ unsigned short symlink_size;
-+ char symlink[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_reg_inode_header {
-+ SQUASHFS_BASE_INODE_HEADER;
-+ squashfs_block_t start_block;
-+ unsigned int fragment;
-+ unsigned int offset;
-+ unsigned int file_size;
-+ unsigned short block_list[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_lreg_inode_header {
-+ SQUASHFS_BASE_INODE_HEADER;
-+ unsigned int nlink;
-+ squashfs_block_t start_block;
-+ unsigned int fragment;
-+ unsigned int offset;
-+ long long file_size;
-+ unsigned short block_list[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_dir_inode_header {
-+ SQUASHFS_BASE_INODE_HEADER;
-+ unsigned int nlink;
-+ unsigned int file_size:19;
-+ unsigned int offset:13;
-+ unsigned int start_block;
-+ unsigned int parent_inode;
-+} __attribute__ ((packed));
-+
-+struct squashfs_ldir_inode_header {
-+ SQUASHFS_BASE_INODE_HEADER;
-+ unsigned int nlink;
-+ unsigned int file_size:27;
-+ unsigned int offset:13;
-+ unsigned int start_block;
-+ unsigned int i_count:16;
-+ unsigned int parent_inode;
-+ struct squashfs_dir_index index[0];
-+} __attribute__ ((packed));
-+
-+union squashfs_inode_header {
-+ struct squashfs_base_inode_header base;
-+ struct squashfs_dev_inode_header dev;
-+ struct squashfs_symlink_inode_header symlink;
-+ struct squashfs_reg_inode_header reg;
-+ struct squashfs_lreg_inode_header lreg;
-+ struct squashfs_dir_inode_header dir;
-+ struct squashfs_ldir_inode_header ldir;
-+ struct squashfs_ipc_inode_header ipc;
-+};
-+
-+struct squashfs_dir_entry {
-+ unsigned int offset:13;
-+ unsigned int type:3;
-+ unsigned int size:8;
-+ int inode_number:16;
-+ char name[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_dir_header {
-+ unsigned int count:8;
-+ unsigned int start_block;
-+ unsigned int inode_number;
-+} __attribute__ ((packed));
-+
-+struct squashfs_fragment_entry {
-+ long long start_block;
-+ unsigned int size;
-+ unsigned int unused;
-+} __attribute__ ((packed));
-+
-+extern int squashfs_uncompress_block(void *d, int dstlen, void *s, int srclen);
-+extern int squashfs_uncompress_init(void);
-+extern int squashfs_uncompress_exit(void);
-+
-+/*
-+ * macros to convert each packed bitfield structure from little endian to big
-+ * endian and vice versa. These are needed when creating or using a filesystem
-+ * on a machine with different byte ordering to the target architecture.
-+ *
-+ */
-+
-+#define SQUASHFS_SWAP_START \
-+ int bits;\
-+ int b_pos;\
-+ unsigned long long val;\
-+ unsigned char *s;\
-+ unsigned char *d;
-+
-+#define SQUASHFS_SWAP_SUPER_BLOCK(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_super_block));\
-+ SQUASHFS_SWAP((s)->s_magic, d, 0, 32);\
-+ SQUASHFS_SWAP((s)->inodes, d, 32, 32);\
-+ SQUASHFS_SWAP((s)->bytes_used_2, d, 64, 32);\
-+ SQUASHFS_SWAP((s)->uid_start_2, d, 96, 32);\
-+ SQUASHFS_SWAP((s)->guid_start_2, d, 128, 32);\
-+ SQUASHFS_SWAP((s)->inode_table_start_2, d, 160, 32);\
-+ SQUASHFS_SWAP((s)->directory_table_start_2, d, 192, 32);\
-+ SQUASHFS_SWAP((s)->s_major, d, 224, 16);\
-+ SQUASHFS_SWAP((s)->s_minor, d, 240, 16);\
-+ SQUASHFS_SWAP((s)->block_size_1, d, 256, 16);\
-+ SQUASHFS_SWAP((s)->block_log, d, 272, 16);\
-+ SQUASHFS_SWAP((s)->flags, d, 288, 8);\
-+ SQUASHFS_SWAP((s)->no_uids, d, 296, 8);\
-+ SQUASHFS_SWAP((s)->no_guids, d, 304, 8);\
-+ SQUASHFS_SWAP((s)->mkfs_time, d, 312, 32);\
-+ SQUASHFS_SWAP((s)->root_inode, d, 344, 64);\
-+ SQUASHFS_SWAP((s)->block_size, d, 408, 32);\
-+ SQUASHFS_SWAP((s)->fragments, d, 440, 32);\
-+ SQUASHFS_SWAP((s)->fragment_table_start_2, d, 472, 32);\
-+ SQUASHFS_SWAP((s)->bytes_used, d, 504, 64);\
-+ SQUASHFS_SWAP((s)->uid_start, d, 568, 64);\
-+ SQUASHFS_SWAP((s)->guid_start, d, 632, 64);\
-+ SQUASHFS_SWAP((s)->inode_table_start, d, 696, 64);\
-+ SQUASHFS_SWAP((s)->directory_table_start, d, 760, 64);\
-+ SQUASHFS_SWAP((s)->fragment_table_start, d, 824, 64);\
-+ SQUASHFS_SWAP((s)->unused, d, 888, 64);\
-+}
-+
-+#define SQUASHFS_SWAP_BASE_INODE_CORE(s, d, n)\
-+ SQUASHFS_MEMSET(s, d, n);\
-+ SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\
-+ SQUASHFS_SWAP((s)->mode, d, 4, 12);\
-+ SQUASHFS_SWAP((s)->uid, d, 16, 8);\
-+ SQUASHFS_SWAP((s)->guid, d, 24, 8);\
-+ SQUASHFS_SWAP((s)->mtime, d, 32, 32);\
-+ SQUASHFS_SWAP((s)->inode_number, d, 64, 32);
-+
-+#define SQUASHFS_SWAP_BASE_INODE_HEADER(s, d, n) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, n)\
-+}
-+
-+#define SQUASHFS_SWAP_IPC_INODE_HEADER(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \
-+ sizeof(struct squashfs_ipc_inode_header))\
-+ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_DEV_INODE_HEADER(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \
-+ sizeof(struct squashfs_dev_inode_header)); \
-+ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\
-+ SQUASHFS_SWAP((s)->rdev, d, 128, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \
-+ sizeof(struct squashfs_symlink_inode_header));\
-+ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\
-+ SQUASHFS_SWAP((s)->symlink_size, d, 128, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_REG_INODE_HEADER(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \
-+ sizeof(struct squashfs_reg_inode_header));\
-+ SQUASHFS_SWAP((s)->start_block, d, 96, 64);\
-+ SQUASHFS_SWAP((s)->fragment, d, 160, 32);\
-+ SQUASHFS_SWAP((s)->offset, d, 192, 32);\
-+ SQUASHFS_SWAP((s)->file_size, d, 224, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_LREG_INODE_HEADER(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \
-+ sizeof(struct squashfs_lreg_inode_header));\
-+ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 128, 64);\
-+ SQUASHFS_SWAP((s)->fragment, d, 192, 32);\
-+ SQUASHFS_SWAP((s)->offset, d, 224, 32);\
-+ SQUASHFS_SWAP((s)->file_size, d, 256, 64);\
-+}
-+
-+#define SQUASHFS_SWAP_DIR_INODE_HEADER(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \
-+ sizeof(struct squashfs_dir_inode_header));\
-+ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\
-+ SQUASHFS_SWAP((s)->file_size, d, 128, 19);\
-+ SQUASHFS_SWAP((s)->offset, d, 147, 13);\
-+ SQUASHFS_SWAP((s)->start_block, d, 160, 32);\
-+ SQUASHFS_SWAP((s)->parent_inode, d, 192, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_LDIR_INODE_HEADER(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE(s, d, \
-+ sizeof(struct squashfs_ldir_inode_header));\
-+ SQUASHFS_SWAP((s)->nlink, d, 96, 32);\
-+ SQUASHFS_SWAP((s)->file_size, d, 128, 27);\
-+ SQUASHFS_SWAP((s)->offset, d, 155, 13);\
-+ SQUASHFS_SWAP((s)->start_block, d, 168, 32);\
-+ SQUASHFS_SWAP((s)->i_count, d, 200, 16);\
-+ SQUASHFS_SWAP((s)->parent_inode, d, 216, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_DIR_INDEX(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_index));\
-+ SQUASHFS_SWAP((s)->index, d, 0, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 32, 32);\
-+ SQUASHFS_SWAP((s)->size, d, 64, 8);\
-+}
-+
-+#define SQUASHFS_SWAP_DIR_HEADER(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_header));\
-+ SQUASHFS_SWAP((s)->count, d, 0, 8);\
-+ SQUASHFS_SWAP((s)->start_block, d, 8, 32);\
-+ SQUASHFS_SWAP((s)->inode_number, d, 40, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_DIR_ENTRY(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_entry));\
-+ SQUASHFS_SWAP((s)->offset, d, 0, 13);\
-+ SQUASHFS_SWAP((s)->type, d, 13, 3);\
-+ SQUASHFS_SWAP((s)->size, d, 16, 8);\
-+ SQUASHFS_SWAP((s)->inode_number, d, 24, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_FRAGMENT_ENTRY(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_fragment_entry));\
-+ SQUASHFS_SWAP((s)->start_block, d, 0, 64);\
-+ SQUASHFS_SWAP((s)->size, d, 64, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_SHORTS(s, d, n) {\
-+ int entry;\
-+ int bit_position;\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, n * 2);\
-+ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += \
-+ 16)\
-+ SQUASHFS_SWAP(s[entry], d, bit_position, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_INTS(s, d, n) {\
-+ int entry;\
-+ int bit_position;\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, n * 4);\
-+ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += \
-+ 32)\
-+ SQUASHFS_SWAP(s[entry], d, bit_position, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_LONG_LONGS(s, d, n) {\
-+ int entry;\
-+ int bit_position;\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, n * 8);\
-+ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += \
-+ 64)\
-+ SQUASHFS_SWAP(s[entry], d, bit_position, 64);\
-+}
-+
-+#define SQUASHFS_SWAP_DATA(s, d, n, bits) {\
-+ int entry;\
-+ int bit_position;\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, n * bits / 8);\
-+ for(entry = 0, bit_position = 0; entry < n; entry++, bit_position += \
-+ bits)\
-+ SQUASHFS_SWAP(s[entry], d, bit_position, bits);\
-+}
-+
-+#define SQUASHFS_SWAP_FRAGMENT_INDEXES(s, d, n) SQUASHFS_SWAP_LONG_LONGS(s, d, n)
-+
-+#ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY
-+
-+struct squashfs_base_inode_header_1 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
-+} __attribute__ ((packed));
-+
-+struct squashfs_ipc_inode_header_1 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
-+ unsigned int type:4;
-+ unsigned int offset:4;
-+} __attribute__ ((packed));
-+
-+struct squashfs_dev_inode_header_1 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
-+ unsigned short rdev;
-+} __attribute__ ((packed));
-+
-+struct squashfs_symlink_inode_header_1 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
-+ unsigned short symlink_size;
-+ char symlink[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_reg_inode_header_1 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
-+ unsigned int mtime;
-+ unsigned int start_block;
-+ unsigned int file_size:32;
-+ unsigned short block_list[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_dir_inode_header_1 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:4; /* index into uid table */
-+ unsigned int guid:4; /* index into guid table */
-+ unsigned int file_size:19;
-+ unsigned int offset:13;
-+ unsigned int mtime;
-+ unsigned int start_block:24;
-+} __attribute__ ((packed));
-+
-+#define SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, n) \
-+ SQUASHFS_MEMSET(s, d, n);\
-+ SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\
-+ SQUASHFS_SWAP((s)->mode, d, 4, 12);\
-+ SQUASHFS_SWAP((s)->uid, d, 16, 4);\
-+ SQUASHFS_SWAP((s)->guid, d, 20, 4);
-+
-+#define SQUASHFS_SWAP_BASE_INODE_HEADER_1(s, d, n) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, n)\
-+}
-+
-+#define SQUASHFS_SWAP_IPC_INODE_HEADER_1(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \
-+ sizeof(struct squashfs_ipc_inode_header_1));\
-+ SQUASHFS_SWAP((s)->type, d, 24, 4);\
-+ SQUASHFS_SWAP((s)->offset, d, 28, 4);\
-+}
-+
-+#define SQUASHFS_SWAP_DEV_INODE_HEADER_1(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \
-+ sizeof(struct squashfs_dev_inode_header_1));\
-+ SQUASHFS_SWAP((s)->rdev, d, 24, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER_1(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \
-+ sizeof(struct squashfs_symlink_inode_header_1));\
-+ SQUASHFS_SWAP((s)->symlink_size, d, 24, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_REG_INODE_HEADER_1(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \
-+ sizeof(struct squashfs_reg_inode_header_1));\
-+ SQUASHFS_SWAP((s)->mtime, d, 24, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 56, 32);\
-+ SQUASHFS_SWAP((s)->file_size, d, 88, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_DIR_INODE_HEADER_1(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_1(s, d, \
-+ sizeof(struct squashfs_dir_inode_header_1));\
-+ SQUASHFS_SWAP((s)->file_size, d, 24, 19);\
-+ SQUASHFS_SWAP((s)->offset, d, 43, 13);\
-+ SQUASHFS_SWAP((s)->mtime, d, 56, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 88, 24);\
-+}
-+
-+#endif
-+
-+#ifdef CONFIG_SQUASHFS_2_0_COMPATIBILITY
-+
-+struct squashfs_dir_index_2 {
-+ unsigned int index:27;
-+ unsigned int start_block:29;
-+ unsigned char size;
-+ unsigned char name[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_base_inode_header_2 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:8; /* index into uid table */
-+ unsigned int guid:8; /* index into guid table */
-+} __attribute__ ((packed));
-+
-+struct squashfs_ipc_inode_header_2 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:8; /* index into uid table */
-+ unsigned int guid:8; /* index into guid table */
-+} __attribute__ ((packed));
-+
-+struct squashfs_dev_inode_header_2 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:8; /* index into uid table */
-+ unsigned int guid:8; /* index into guid table */
-+ unsigned short rdev;
-+} __attribute__ ((packed));
-+
-+struct squashfs_symlink_inode_header_2 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:8; /* index into uid table */
-+ unsigned int guid:8; /* index into guid table */
-+ unsigned short symlink_size;
-+ char symlink[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_reg_inode_header_2 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:8; /* index into uid table */
-+ unsigned int guid:8; /* index into guid table */
-+ unsigned int mtime;
-+ unsigned int start_block;
-+ unsigned int fragment;
-+ unsigned int offset;
-+ unsigned int file_size:32;
-+ unsigned short block_list[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_dir_inode_header_2 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:8; /* index into uid table */
-+ unsigned int guid:8; /* index into guid table */
-+ unsigned int file_size:19;
-+ unsigned int offset:13;
-+ unsigned int mtime;
-+ unsigned int start_block:24;
-+} __attribute__ ((packed));
-+
-+struct squashfs_ldir_inode_header_2 {
-+ unsigned int inode_type:4;
-+ unsigned int mode:12; /* protection */
-+ unsigned int uid:8; /* index into uid table */
-+ unsigned int guid:8; /* index into guid table */
-+ unsigned int file_size:27;
-+ unsigned int offset:13;
-+ unsigned int mtime;
-+ unsigned int start_block:24;
-+ unsigned int i_count:16;
-+ struct squashfs_dir_index_2 index[0];
-+} __attribute__ ((packed));
-+
-+union squashfs_inode_header_2 {
-+ struct squashfs_base_inode_header_2 base;
-+ struct squashfs_dev_inode_header_2 dev;
-+ struct squashfs_symlink_inode_header_2 symlink;
-+ struct squashfs_reg_inode_header_2 reg;
-+ struct squashfs_dir_inode_header_2 dir;
-+ struct squashfs_ldir_inode_header_2 ldir;
-+ struct squashfs_ipc_inode_header_2 ipc;
-+};
-+
-+struct squashfs_dir_header_2 {
-+ unsigned int count:8;
-+ unsigned int start_block:24;
-+} __attribute__ ((packed));
-+
-+struct squashfs_dir_entry_2 {
-+ unsigned int offset:13;
-+ unsigned int type:3;
-+ unsigned int size:8;
-+ char name[0];
-+} __attribute__ ((packed));
-+
-+struct squashfs_fragment_entry_2 {
-+ unsigned int start_block;
-+ unsigned int size;
-+} __attribute__ ((packed));
-+
-+#define SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, n)\
-+ SQUASHFS_MEMSET(s, d, n);\
-+ SQUASHFS_SWAP((s)->inode_type, d, 0, 4);\
-+ SQUASHFS_SWAP((s)->mode, d, 4, 12);\
-+ SQUASHFS_SWAP((s)->uid, d, 16, 8);\
-+ SQUASHFS_SWAP((s)->guid, d, 24, 8);\
-+
-+#define SQUASHFS_SWAP_BASE_INODE_HEADER_2(s, d, n) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, n)\
-+}
-+
-+#define SQUASHFS_SWAP_IPC_INODE_HEADER_2(s, d) \
-+ SQUASHFS_SWAP_BASE_INODE_HEADER_2(s, d, sizeof(struct squashfs_ipc_inode_header_2))
-+
-+#define SQUASHFS_SWAP_DEV_INODE_HEADER_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \
-+ sizeof(struct squashfs_dev_inode_header_2)); \
-+ SQUASHFS_SWAP((s)->rdev, d, 32, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_SYMLINK_INODE_HEADER_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \
-+ sizeof(struct squashfs_symlink_inode_header_2));\
-+ SQUASHFS_SWAP((s)->symlink_size, d, 32, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_REG_INODE_HEADER_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \
-+ sizeof(struct squashfs_reg_inode_header_2));\
-+ SQUASHFS_SWAP((s)->mtime, d, 32, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 64, 32);\
-+ SQUASHFS_SWAP((s)->fragment, d, 96, 32);\
-+ SQUASHFS_SWAP((s)->offset, d, 128, 32);\
-+ SQUASHFS_SWAP((s)->file_size, d, 160, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_DIR_INODE_HEADER_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \
-+ sizeof(struct squashfs_dir_inode_header_2));\
-+ SQUASHFS_SWAP((s)->file_size, d, 32, 19);\
-+ SQUASHFS_SWAP((s)->offset, d, 51, 13);\
-+ SQUASHFS_SWAP((s)->mtime, d, 64, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 96, 24);\
-+}
-+
-+#define SQUASHFS_SWAP_LDIR_INODE_HEADER_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_SWAP_BASE_INODE_CORE_2(s, d, \
-+ sizeof(struct squashfs_ldir_inode_header_2));\
-+ SQUASHFS_SWAP((s)->file_size, d, 32, 27);\
-+ SQUASHFS_SWAP((s)->offset, d, 59, 13);\
-+ SQUASHFS_SWAP((s)->mtime, d, 72, 32);\
-+ SQUASHFS_SWAP((s)->start_block, d, 104, 24);\
-+ SQUASHFS_SWAP((s)->i_count, d, 128, 16);\
-+}
-+
-+#define SQUASHFS_SWAP_DIR_INDEX_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_index_2));\
-+ SQUASHFS_SWAP((s)->index, d, 0, 27);\
-+ SQUASHFS_SWAP((s)->start_block, d, 27, 29);\
-+ SQUASHFS_SWAP((s)->size, d, 56, 8);\
-+}
-+#define SQUASHFS_SWAP_DIR_HEADER_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_header_2));\
-+ SQUASHFS_SWAP((s)->count, d, 0, 8);\
-+ SQUASHFS_SWAP((s)->start_block, d, 8, 24);\
-+}
-+
-+#define SQUASHFS_SWAP_DIR_ENTRY_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_dir_entry_2));\
-+ SQUASHFS_SWAP((s)->offset, d, 0, 13);\
-+ SQUASHFS_SWAP((s)->type, d, 13, 3);\
-+ SQUASHFS_SWAP((s)->size, d, 16, 8);\
-+}
-+
-+#define SQUASHFS_SWAP_FRAGMENT_ENTRY_2(s, d) {\
-+ SQUASHFS_SWAP_START\
-+ SQUASHFS_MEMSET(s, d, sizeof(struct squashfs_fragment_entry_2));\
-+ SQUASHFS_SWAP((s)->start_block, d, 0, 32);\
-+ SQUASHFS_SWAP((s)->size, d, 32, 32);\
-+}
-+
-+#define SQUASHFS_SWAP_FRAGMENT_INDEXES_2(s, d, n) SQUASHFS_SWAP_INTS(s, d, n)
-+
-+/* fragment and fragment table defines */
-+#define SQUASHFS_FRAGMENT_BYTES_2(A) (A * sizeof(struct squashfs_fragment_entry_2))
-+
-+#define SQUASHFS_FRAGMENT_INDEX_2(A) (SQUASHFS_FRAGMENT_BYTES_2(A) / \
-+ SQUASHFS_METADATA_SIZE)
-+
-+#define SQUASHFS_FRAGMENT_INDEX_OFFSET_2(A) (SQUASHFS_FRAGMENT_BYTES_2(A) % \
-+ SQUASHFS_METADATA_SIZE)
-+
-+#define SQUASHFS_FRAGMENT_INDEXES_2(A) ((SQUASHFS_FRAGMENT_BYTES_2(A) + \
-+ SQUASHFS_METADATA_SIZE - 1) / \
-+ SQUASHFS_METADATA_SIZE)
-+
-+#define SQUASHFS_FRAGMENT_INDEX_BYTES_2(A) (SQUASHFS_FRAGMENT_INDEXES_2(A) *\
-+ sizeof(int))
-+
-+#endif
-+
-+#ifdef __KERNEL__
-+
-+/*
-+ * macros used to swap each structure entry, taking into account
-+ * bitfields and different bitfield placing conventions on differing
-+ * architectures
-+ */
-+
-+#include <asm/byteorder.h>
-+
-+#ifdef __BIG_ENDIAN
-+ /* convert from little endian to big endian */
-+#define SQUASHFS_SWAP(value, p, pos, tbits) _SQUASHFS_SWAP(value, p, pos, \
-+ tbits, b_pos)
-+#else
-+ /* convert from big endian to little endian */
-+#define SQUASHFS_SWAP(value, p, pos, tbits) _SQUASHFS_SWAP(value, p, pos, \
-+ tbits, 64 - tbits - b_pos)
-+#endif
-+
-+#define _SQUASHFS_SWAP(value, p, pos, tbits, SHIFT) {\
-+ b_pos = pos % 8;\
-+ val = 0;\
-+ s = (unsigned char *)p + (pos / 8);\
-+ d = ((unsigned char *) &val) + 7;\
-+ for(bits = 0; bits < (tbits + b_pos); bits += 8) \
-+ *d-- = *s++;\
-+ value = (val >> (SHIFT))/* & ((1 << tbits) - 1)*/;\
-+}
-+
-+#define SQUASHFS_MEMSET(s, d, n) memset(s, 0, n);
-+
-+#endif
-+#endif
---- /dev/null
-+++ b/include/linux/squashfs_fs_i.h
-@@ -0,0 +1,45 @@
-+#ifndef SQUASHFS_FS_I
-+#define SQUASHFS_FS_I
-+/*
-+ * Squashfs
-+ *
-+ * Copyright (c) 2002, 2003, 2004, 2005, 2006
-+ * Phillip Lougher <phillip@lougher.org.uk>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version 2,
-+ * or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ *
-+ * squashfs_fs_i.h
-+ */
-+
-+struct squashfs_inode_info {
-+ long long start_block;
-+ unsigned int offset;
-+ union {
-+ struct {
-+ long long fragment_start_block;
-+ unsigned int fragment_size;
-+ unsigned int fragment_offset;
-+ long long block_list_start;
-+ } s1;
-+ struct {
-+ long long directory_index_start;
-+ unsigned int directory_index_offset;
-+ unsigned int directory_index_count;
-+ unsigned int parent_inode;
-+ } s2;
-+ } u;
-+ struct inode vfs_inode;
-+};
-+#endif
---- /dev/null
-+++ b/include/linux/squashfs_fs_sb.h
-@@ -0,0 +1,74 @@
-+#ifndef SQUASHFS_FS_SB
-+#define SQUASHFS_FS_SB
-+/*
-+ * Squashfs
-+ *
-+ * Copyright (c) 2002, 2003, 2004, 2005, 2006
-+ * Phillip Lougher <phillip@lougher.org.uk>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version 2,
-+ * or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ *
-+ * squashfs_fs_sb.h
-+ */
-+
-+#include <linux/squashfs_fs.h>
-+
-+struct squashfs_cache {
-+ long long block;
-+ int length;
-+ long long next_index;
-+ char *data;
-+};
-+
-+struct squashfs_fragment_cache {
-+ long long block;
-+ int length;
-+ unsigned int locked;
-+ char *data;
-+};
-+
-+struct squashfs_sb_info {
-+ struct squashfs_super_block sblk;
-+ int devblksize;
-+ int devblksize_log2;
-+ int swap;
-+ struct squashfs_cache *block_cache;
-+ struct squashfs_fragment_cache *fragment;
-+ int next_cache;
-+ int next_fragment;
-+ int next_meta_index;
-+ unsigned int *uid;
-+ unsigned int *guid;
-+ long long *fragment_index;
-+ unsigned int *fragment_index_2;
-+ unsigned int read_size;
-+ char *read_data;
-+ char *read_page;
-+ struct semaphore read_data_mutex;
-+ struct semaphore read_page_mutex;
-+ struct semaphore block_cache_mutex;
-+ struct semaphore fragment_mutex;
-+ struct semaphore meta_index_mutex;
-+ wait_queue_head_t waitq;
-+ wait_queue_head_t fragment_wait_queue;
-+ struct meta_index *meta_index;
-+ struct inode *(*iget)(struct super_block *s, squashfs_inode_t \
-+ inode);
-+ long long (*read_blocklist)(struct inode *inode, int \
-+ index, int readahead_blks, char *block_list, \
-+ unsigned short **block_p, unsigned int *bsize);
-+ int (*read_fragment_index_table)(struct super_block *s);
-+};
-+#endif
---- a/init/do_mounts_rd.c
-+++ b/init/do_mounts_rd.c
-@@ -5,6 +5,7 @@
- #include <linux/ext2_fs.h>
- #include <linux/romfs_fs.h>
- #include <linux/cramfs_fs.h>
-+#include <linux/squashfs_fs.h>
- #include <linux/initrd.h>
- #include <linux/string.h>
-
-@@ -39,6 +40,7 @@
- * numbers could not be found.
- *
- * We currently check for the following magic numbers:
-+ * squashfs
- * minix
- * ext2
- * romfs
-@@ -53,6 +55,7 @@
- struct ext2_super_block *ext2sb;
- struct romfs_super_block *romfsb;
- struct cramfs_super *cramfsb;
-+ struct squashfs_super_block *squashfsb;
- int nblocks = -1;
- unsigned char *buf;
-
-@@ -64,6 +67,7 @@
- ext2sb = (struct ext2_super_block *) buf;
- romfsb = (struct romfs_super_block *) buf;
- cramfsb = (struct cramfs_super *) buf;
-+ squashfsb = (struct squashfs_super_block *) buf;
- memset(buf, 0xe5, size);
-
- /*
-@@ -101,6 +105,15 @@
- goto done;
- }
-
-+ /* squashfs is at block zero too */
-+ if (squashfsb->s_magic == SQUASHFS_MAGIC) {
-+ printk(KERN_NOTICE
-+ "RAMDISK: squashfs filesystem found at block %d\n",
-+ start_block);
-+ nblocks = (squashfsb->bytes_used+BLOCK_SIZE-1)>>BLOCK_SIZE_BITS;
-+ goto done;
-+ }
-+
- /*
- * Read block 1 to test for minix and ext2 superblock
- */
+++ /dev/null
---- /dev/null
-+++ b/include/linux/LzmaDecode.h
-@@ -0,0 +1,100 @@
-+/*
-+ LzmaDecode.h
-+ LZMA Decoder interface
-+
-+ LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25)
-+ http://www.7-zip.org/
-+
-+ LZMA SDK is licensed under two licenses:
-+ 1) GNU Lesser General Public License (GNU LGPL)
-+ 2) Common Public License (CPL)
-+ It means that you can select one of these two licenses and
-+ follow rules of that license.
-+
-+ SPECIAL EXCEPTION:
-+ Igor Pavlov, as the author of this code, expressly permits you to
-+ statically or dynamically link your code (or bind by name) to the
-+ interfaces of this file without subjecting your linked code to the
-+ terms of the CPL or GNU LGPL. Any modifications or additions
-+ to this file, however, are subject to the LGPL or CPL terms.
-+*/
-+
-+#ifndef __LZMADECODE_H
-+#define __LZMADECODE_H
-+
-+/* #define _LZMA_IN_CB */
-+/* Use callback for input data */
-+
-+/* #define _LZMA_OUT_READ */
-+/* Use read function for output data */
-+
-+/* #define _LZMA_PROB32 */
-+/* It can increase speed on some 32-bit CPUs,
-+ but memory usage will be doubled in that case */
-+
-+/* #define _LZMA_LOC_OPT */
-+/* Enable local speed optimizations inside code */
-+
-+#ifndef UInt32
-+#ifdef _LZMA_UINT32_IS_ULONG
-+#define UInt32 unsigned long
-+#else
-+#define UInt32 unsigned int
-+#endif
-+#endif
-+
-+#ifdef _LZMA_PROB32
-+#define CProb UInt32
-+#else
-+#define CProb unsigned short
-+#endif
-+
-+#define LZMA_RESULT_OK 0
-+#define LZMA_RESULT_DATA_ERROR 1
-+#define LZMA_RESULT_NOT_ENOUGH_MEM 2
-+
-+#ifdef _LZMA_IN_CB
-+typedef struct _ILzmaInCallback
-+{
-+ int (*Read)(void *object, unsigned char **buffer, UInt32 *bufferSize);
-+} ILzmaInCallback;
-+#endif
-+
-+#define LZMA_BASE_SIZE 1846
-+#define LZMA_LIT_SIZE 768
-+
-+/*
-+bufferSize = (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp)))* sizeof(CProb)
-+bufferSize += 100 in case of _LZMA_OUT_READ
-+by default CProb is unsigned short,
-+but if specify _LZMA_PROB_32, CProb will be UInt32(unsigned int)
-+*/
-+
-+#ifdef _LZMA_OUT_READ
-+int LzmaDecoderInit(
-+ unsigned char *buffer, UInt32 bufferSize,
-+ int lc, int lp, int pb,
-+ unsigned char *dictionary, UInt32 dictionarySize,
-+ #ifdef _LZMA_IN_CB
-+ ILzmaInCallback *inCallback
-+ #else
-+ unsigned char *inStream, UInt32 inSize
-+ #endif
-+);
-+#endif
-+
-+int LzmaDecode(
-+ unsigned char *buffer,
-+ #ifndef _LZMA_OUT_READ
-+ UInt32 bufferSize,
-+ int lc, int lp, int pb,
-+ #ifdef _LZMA_IN_CB
-+ ILzmaInCallback *inCallback,
-+ #else
-+ unsigned char *inStream, UInt32 inSize,
-+ #endif
-+ #endif
-+ unsigned char *outStream, UInt32 outSize,
-+ UInt32 *outSizeProcessed);
-+
-+#endif
---- /dev/null
-+++ b/lib/LzmaDecode.c
-@@ -0,0 +1,663 @@
-+/*
-+ LzmaDecode.c
-+ LZMA Decoder
-+
-+ LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25)
-+ http://www.7-zip.org/
-+
-+ LZMA SDK is licensed under two licenses:
-+ 1) GNU Lesser General Public License (GNU LGPL)
-+ 2) Common Public License (CPL)
-+ It means that you can select one of these two licenses and
-+ follow rules of that license.
-+
-+ SPECIAL EXCEPTION:
-+ Igor Pavlov, as the author of this code, expressly permits you to
-+ statically or dynamically link your code (or bind by name) to the
-+ interfaces of this file without subjecting your linked code to the
-+ terms of the CPL or GNU LGPL. Any modifications or additions
-+ to this file, however, are subject to the LGPL or CPL terms.
-+*/
-+
-+#include <linux/LzmaDecode.h>
-+
-+#ifndef Byte
-+#define Byte unsigned char
-+#endif
-+
-+#define kNumTopBits 24
-+#define kTopValue ((UInt32)1 << kNumTopBits)
-+
-+#define kNumBitModelTotalBits 11
-+#define kBitModelTotal (1 << kNumBitModelTotalBits)
-+#define kNumMoveBits 5
-+
-+typedef struct _CRangeDecoder
-+{
-+ Byte *Buffer;
-+ Byte *BufferLim;
-+ UInt32 Range;
-+ UInt32 Code;
-+ #ifdef _LZMA_IN_CB
-+ ILzmaInCallback *InCallback;
-+ int Result;
-+ #endif
-+ int ExtraBytes;
-+} CRangeDecoder;
-+
-+Byte RangeDecoderReadByte(CRangeDecoder *rd)
-+{
-+ if (rd->Buffer == rd->BufferLim)
-+ {
-+ #ifdef _LZMA_IN_CB
-+ UInt32 size;
-+ rd->Result = rd->InCallback->Read(rd->InCallback, &rd->Buffer, &size);
-+ rd->BufferLim = rd->Buffer + size;
-+ if (size == 0)
-+ #endif
-+ {
-+ rd->ExtraBytes = 1;
-+ return 0xFF;
-+ }
-+ }
-+ return (*rd->Buffer++);
-+}
-+
-+/* #define ReadByte (*rd->Buffer++) */
-+#define ReadByte (RangeDecoderReadByte(rd))
-+
-+void RangeDecoderInit(CRangeDecoder *rd,
-+ #ifdef _LZMA_IN_CB
-+ ILzmaInCallback *inCallback
-+ #else
-+ Byte *stream, UInt32 bufferSize
-+ #endif
-+ )
-+{
-+ int i;
-+ #ifdef _LZMA_IN_CB
-+ rd->InCallback = inCallback;
-+ rd->Buffer = rd->BufferLim = 0;
-+ #else
-+ rd->Buffer = stream;
-+ rd->BufferLim = stream + bufferSize;
-+ #endif
-+ rd->ExtraBytes = 0;
-+ rd->Code = 0;
-+ rd->Range = (0xFFFFFFFF);
-+ for(i = 0; i < 5; i++)
-+ rd->Code = (rd->Code << 8) | ReadByte;
-+}
-+
-+#define RC_INIT_VAR UInt32 range = rd->Range; UInt32 code = rd->Code;
-+#define RC_FLUSH_VAR rd->Range = range; rd->Code = code;
-+#define RC_NORMALIZE if (range < kTopValue) { range <<= 8; code = (code << 8) | ReadByte; }
-+
-+UInt32 RangeDecoderDecodeDirectBits(CRangeDecoder *rd, int numTotalBits)
-+{
-+ RC_INIT_VAR
-+ UInt32 result = 0;
-+ int i;
-+ for (i = numTotalBits; i > 0; i--)
-+ {
-+ /* UInt32 t; */
-+ range >>= 1;
-+
-+ result <<= 1;
-+ if (code >= range)
-+ {
-+ code -= range;
-+ result |= 1;
-+ }
-+ /*
-+ t = (code - range) >> 31;
-+ t &= 1;
-+ code -= range & (t - 1);
-+ result = (result + result) | (1 - t);
-+ */
-+ RC_NORMALIZE
-+ }
-+ RC_FLUSH_VAR
-+ return result;
-+}
-+
-+int RangeDecoderBitDecode(CProb *prob, CRangeDecoder *rd)
-+{
-+ UInt32 bound = (rd->Range >> kNumBitModelTotalBits) * *prob;
-+ if (rd->Code < bound)
-+ {
-+ rd->Range = bound;
-+ *prob += (kBitModelTotal - *prob) >> kNumMoveBits;
-+ if (rd->Range < kTopValue)
-+ {
-+ rd->Code = (rd->Code << 8) | ReadByte;
-+ rd->Range <<= 8;
-+ }
-+ return 0;
-+ }
-+ else
-+ {
-+ rd->Range -= bound;
-+ rd->Code -= bound;
-+ *prob -= (*prob) >> kNumMoveBits;
-+ if (rd->Range < kTopValue)
-+ {
-+ rd->Code = (rd->Code << 8) | ReadByte;
-+ rd->Range <<= 8;
-+ }
-+ return 1;
-+ }
-+}
-+
-+#define RC_GET_BIT2(prob, mi, A0, A1) \
-+ UInt32 bound = (range >> kNumBitModelTotalBits) * *prob; \
-+ if (code < bound) \
-+ { A0; range = bound; *prob += (kBitModelTotal - *prob) >> kNumMoveBits; mi <<= 1; } \
-+ else \
-+ { A1; range -= bound; code -= bound; *prob -= (*prob) >> kNumMoveBits; mi = (mi + mi) + 1; } \
-+ RC_NORMALIZE
-+
-+#define RC_GET_BIT(prob, mi) RC_GET_BIT2(prob, mi, ; , ;)
-+
-+int RangeDecoderBitTreeDecode(CProb *probs, int numLevels, CRangeDecoder *rd)
-+{
-+ int mi = 1;
-+ int i;
-+ #ifdef _LZMA_LOC_OPT
-+ RC_INIT_VAR
-+ #endif
-+ for(i = numLevels; i > 0; i--)
-+ {
-+ #ifdef _LZMA_LOC_OPT
-+ CProb *prob = probs + mi;
-+ RC_GET_BIT(prob, mi)
-+ #else
-+ mi = (mi + mi) + RangeDecoderBitDecode(probs + mi, rd);
-+ #endif
-+ }
-+ #ifdef _LZMA_LOC_OPT
-+ RC_FLUSH_VAR
-+ #endif
-+ return mi - (1 << numLevels);
-+}
-+
-+int RangeDecoderReverseBitTreeDecode(CProb *probs, int numLevels, CRangeDecoder *rd)
-+{
-+ int mi = 1;
-+ int i;
-+ int symbol = 0;
-+ #ifdef _LZMA_LOC_OPT
-+ RC_INIT_VAR
-+ #endif
-+ for(i = 0; i < numLevels; i++)
-+ {
-+ #ifdef _LZMA_LOC_OPT
-+ CProb *prob = probs + mi;
-+ RC_GET_BIT2(prob, mi, ; , symbol |= (1 << i))
-+ #else
-+ int bit = RangeDecoderBitDecode(probs + mi, rd);
-+ mi = mi + mi + bit;
-+ symbol |= (bit << i);
-+ #endif
-+ }
-+ #ifdef _LZMA_LOC_OPT
-+ RC_FLUSH_VAR
-+ #endif
-+ return symbol;
-+}
-+
-+Byte LzmaLiteralDecode(CProb *probs, CRangeDecoder *rd)
-+{
-+ int symbol = 1;
-+ #ifdef _LZMA_LOC_OPT
-+ RC_INIT_VAR
-+ #endif
-+ do
-+ {
-+ #ifdef _LZMA_LOC_OPT
-+ CProb *prob = probs + symbol;
-+ RC_GET_BIT(prob, symbol)
-+ #else
-+ symbol = (symbol + symbol) | RangeDecoderBitDecode(probs + symbol, rd);
-+ #endif
-+ }
-+ while (symbol < 0x100);
-+ #ifdef _LZMA_LOC_OPT
-+ RC_FLUSH_VAR
-+ #endif
-+ return symbol;
-+}
-+
-+Byte LzmaLiteralDecodeMatch(CProb *probs, CRangeDecoder *rd, Byte matchByte)
-+{
-+ int symbol = 1;
-+ #ifdef _LZMA_LOC_OPT
-+ RC_INIT_VAR
-+ #endif
-+ do
-+ {
-+ int bit;
-+ int matchBit = (matchByte >> 7) & 1;
-+ matchByte <<= 1;
-+ #ifdef _LZMA_LOC_OPT
-+ {
-+ CProb *prob = probs + ((1 + matchBit) << 8) + symbol;
-+ RC_GET_BIT2(prob, symbol, bit = 0, bit = 1)
-+ }
-+ #else
-+ bit = RangeDecoderBitDecode(probs + ((1 + matchBit) << 8) + symbol, rd);
-+ symbol = (symbol << 1) | bit;
-+ #endif
-+ if (matchBit != bit)
-+ {
-+ while (symbol < 0x100)
-+ {
-+ #ifdef _LZMA_LOC_OPT
-+ CProb *prob = probs + symbol;
-+ RC_GET_BIT(prob, symbol)
-+ #else
-+ symbol = (symbol + symbol) | RangeDecoderBitDecode(probs + symbol, rd);
-+ #endif
-+ }
-+ break;
-+ }
-+ }
-+ while (symbol < 0x100);
-+ #ifdef _LZMA_LOC_OPT
-+ RC_FLUSH_VAR
-+ #endif
-+ return symbol;
-+}
-+
-+#define kNumPosBitsMax 4
-+#define kNumPosStatesMax (1 << kNumPosBitsMax)
-+
-+#define kLenNumLowBits 3
-+#define kLenNumLowSymbols (1 << kLenNumLowBits)
-+#define kLenNumMidBits 3
-+#define kLenNumMidSymbols (1 << kLenNumMidBits)
-+#define kLenNumHighBits 8
-+#define kLenNumHighSymbols (1 << kLenNumHighBits)
-+
-+#define LenChoice 0
-+#define LenChoice2 (LenChoice + 1)
-+#define LenLow (LenChoice2 + 1)
-+#define LenMid (LenLow + (kNumPosStatesMax << kLenNumLowBits))
-+#define LenHigh (LenMid + (kNumPosStatesMax << kLenNumMidBits))
-+#define kNumLenProbs (LenHigh + kLenNumHighSymbols)
-+
-+int LzmaLenDecode(CProb *p, CRangeDecoder *rd, int posState)
-+{
-+ if(RangeDecoderBitDecode(p + LenChoice, rd) == 0)
-+ return RangeDecoderBitTreeDecode(p + LenLow +
-+ (posState << kLenNumLowBits), kLenNumLowBits, rd);
-+ if(RangeDecoderBitDecode(p + LenChoice2, rd) == 0)
-+ return kLenNumLowSymbols + RangeDecoderBitTreeDecode(p + LenMid +
-+ (posState << kLenNumMidBits), kLenNumMidBits, rd);
-+ return kLenNumLowSymbols + kLenNumMidSymbols +
-+ RangeDecoderBitTreeDecode(p + LenHigh, kLenNumHighBits, rd);
-+}
-+
-+#define kNumStates 12
-+
-+#define kStartPosModelIndex 4
-+#define kEndPosModelIndex 14
-+#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
-+
-+#define kNumPosSlotBits 6
-+#define kNumLenToPosStates 4
-+
-+#define kNumAlignBits 4
-+#define kAlignTableSize (1 << kNumAlignBits)
-+
-+#define kMatchMinLen 2
-+
-+#define IsMatch 0
-+#define IsRep (IsMatch + (kNumStates << kNumPosBitsMax))
-+#define IsRepG0 (IsRep + kNumStates)
-+#define IsRepG1 (IsRepG0 + kNumStates)
-+#define IsRepG2 (IsRepG1 + kNumStates)
-+#define IsRep0Long (IsRepG2 + kNumStates)
-+#define PosSlot (IsRep0Long + (kNumStates << kNumPosBitsMax))
-+#define SpecPos (PosSlot + (kNumLenToPosStates << kNumPosSlotBits))
-+#define Align (SpecPos + kNumFullDistances - kEndPosModelIndex)
-+#define LenCoder (Align + kAlignTableSize)
-+#define RepLenCoder (LenCoder + kNumLenProbs)
-+#define Literal (RepLenCoder + kNumLenProbs)
-+
-+#if Literal != LZMA_BASE_SIZE
-+StopCompilingDueBUG
-+#endif
-+
-+#ifdef _LZMA_OUT_READ
-+
-+typedef struct _LzmaVarState
-+{
-+ CRangeDecoder RangeDecoder;
-+ Byte *Dictionary;
-+ UInt32 DictionarySize;
-+ UInt32 DictionaryPos;
-+ UInt32 GlobalPos;
-+ UInt32 Reps[4];
-+ int lc;
-+ int lp;
-+ int pb;
-+ int State;
-+ int PreviousIsMatch;
-+ int RemainLen;
-+} LzmaVarState;
-+
-+int LzmaDecoderInit(
-+ unsigned char *buffer, UInt32 bufferSize,
-+ int lc, int lp, int pb,
-+ unsigned char *dictionary, UInt32 dictionarySize,
-+ #ifdef _LZMA_IN_CB
-+ ILzmaInCallback *inCallback
-+ #else
-+ unsigned char *inStream, UInt32 inSize
-+ #endif
-+ )
-+{
-+ LzmaVarState *vs = (LzmaVarState *)buffer;
-+ CProb *p = (CProb *)(buffer + sizeof(LzmaVarState));
-+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp));
-+ UInt32 i;
-+ if (bufferSize < numProbs * sizeof(CProb) + sizeof(LzmaVarState))
-+ return LZMA_RESULT_NOT_ENOUGH_MEM;
-+ vs->Dictionary = dictionary;
-+ vs->DictionarySize = dictionarySize;
-+ vs->DictionaryPos = 0;
-+ vs->GlobalPos = 0;
-+ vs->Reps[0] = vs->Reps[1] = vs->Reps[2] = vs->Reps[3] = 1;
-+ vs->lc = lc;
-+ vs->lp = lp;
-+ vs->pb = pb;
-+ vs->State = 0;
-+ vs->PreviousIsMatch = 0;
-+ vs->RemainLen = 0;
-+ dictionary[dictionarySize - 1] = 0;
-+ for (i = 0; i < numProbs; i++)
-+ p[i] = kBitModelTotal >> 1;
-+ RangeDecoderInit(&vs->RangeDecoder,
-+ #ifdef _LZMA_IN_CB
-+ inCallback
-+ #else
-+ inStream, inSize
-+ #endif
-+ );
-+ return LZMA_RESULT_OK;
-+}
-+
-+int LzmaDecode(unsigned char *buffer,
-+ unsigned char *outStream, UInt32 outSize,
-+ UInt32 *outSizeProcessed)
-+{
-+ LzmaVarState *vs = (LzmaVarState *)buffer;
-+ CProb *p = (CProb *)(buffer + sizeof(LzmaVarState));
-+ CRangeDecoder rd = vs->RangeDecoder;
-+ int state = vs->State;
-+ int previousIsMatch = vs->PreviousIsMatch;
-+ Byte previousByte;
-+ UInt32 rep0 = vs->Reps[0], rep1 = vs->Reps[1], rep2 = vs->Reps[2], rep3 = vs->Reps[3];
-+ UInt32 nowPos = 0;
-+ UInt32 posStateMask = (1 << (vs->pb)) - 1;
-+ UInt32 literalPosMask = (1 << (vs->lp)) - 1;
-+ int lc = vs->lc;
-+ int len = vs->RemainLen;
-+ UInt32 globalPos = vs->GlobalPos;
-+
-+ Byte *dictionary = vs->Dictionary;
-+ UInt32 dictionarySize = vs->DictionarySize;
-+ UInt32 dictionaryPos = vs->DictionaryPos;
-+
-+ if (len == -1)
-+ {
-+ *outSizeProcessed = 0;
-+ return LZMA_RESULT_OK;
-+ }
-+
-+ while(len > 0 && nowPos < outSize)
-+ {
-+ UInt32 pos = dictionaryPos - rep0;
-+ if (pos >= dictionarySize)
-+ pos += dictionarySize;
-+ outStream[nowPos++] = dictionary[dictionaryPos] = dictionary[pos];
-+ if (++dictionaryPos == dictionarySize)
-+ dictionaryPos = 0;
-+ len--;
-+ }
-+ if (dictionaryPos == 0)
-+ previousByte = dictionary[dictionarySize - 1];
-+ else
-+ previousByte = dictionary[dictionaryPos - 1];
-+#else
-+
-+int LzmaDecode(
-+ Byte *buffer, UInt32 bufferSize,
-+ int lc, int lp, int pb,
-+ #ifdef _LZMA_IN_CB
-+ ILzmaInCallback *inCallback,
-+ #else
-+ unsigned char *inStream, UInt32 inSize,
-+ #endif
-+ unsigned char *outStream, UInt32 outSize,
-+ UInt32 *outSizeProcessed)
-+{
-+ UInt32 numProbs = Literal + ((UInt32)LZMA_LIT_SIZE << (lc + lp));
-+ CProb *p = (CProb *)buffer;
-+ CRangeDecoder rd;
-+ UInt32 i;
-+ int state = 0;
-+ int previousIsMatch = 0;
-+ Byte previousByte = 0;
-+ UInt32 rep0 = 1, rep1 = 1, rep2 = 1, rep3 = 1;
-+ UInt32 nowPos = 0;
-+ UInt32 posStateMask = (1 << pb) - 1;
-+ UInt32 literalPosMask = (1 << lp) - 1;
-+ int len = 0;
-+ if (bufferSize < numProbs * sizeof(CProb))
-+ return LZMA_RESULT_NOT_ENOUGH_MEM;
-+ for (i = 0; i < numProbs; i++)
-+ p[i] = kBitModelTotal >> 1;
-+ RangeDecoderInit(&rd,
-+ #ifdef _LZMA_IN_CB
-+ inCallback
-+ #else
-+ inStream, inSize
-+ #endif
-+ );
-+#endif
-+
-+ *outSizeProcessed = 0;
-+ while(nowPos < outSize)
-+ {
-+ int posState = (int)(
-+ (nowPos
-+ #ifdef _LZMA_OUT_READ
-+ + globalPos
-+ #endif
-+ )
-+ & posStateMask);
-+ #ifdef _LZMA_IN_CB
-+ if (rd.Result != LZMA_RESULT_OK)
-+ return rd.Result;
-+ #endif
-+ if (rd.ExtraBytes != 0)
-+ return LZMA_RESULT_DATA_ERROR;
-+ if (RangeDecoderBitDecode(p + IsMatch + (state << kNumPosBitsMax) + posState, &rd) == 0)
-+ {
-+ CProb *probs = p + Literal + (LZMA_LIT_SIZE *
-+ (((
-+ (nowPos
-+ #ifdef _LZMA_OUT_READ
-+ + globalPos
-+ #endif
-+ )
-+ & literalPosMask) << lc) + (previousByte >> (8 - lc))));
-+
-+ if (state < 4) state = 0;
-+ else if (state < 10) state -= 3;
-+ else state -= 6;
-+ if (previousIsMatch)
-+ {
-+ Byte matchByte;
-+ #ifdef _LZMA_OUT_READ
-+ UInt32 pos = dictionaryPos - rep0;
-+ if (pos >= dictionarySize)
-+ pos += dictionarySize;
-+ matchByte = dictionary[pos];
-+ #else
-+ matchByte = outStream[nowPos - rep0];
-+ #endif
-+ previousByte = LzmaLiteralDecodeMatch(probs, &rd, matchByte);
-+ previousIsMatch = 0;
-+ }
-+ else
-+ previousByte = LzmaLiteralDecode(probs, &rd);
-+ outStream[nowPos++] = previousByte;
-+ #ifdef _LZMA_OUT_READ
-+ dictionary[dictionaryPos] = previousByte;
-+ if (++dictionaryPos == dictionarySize)
-+ dictionaryPos = 0;
-+ #endif
-+ }
-+ else
-+ {
-+ previousIsMatch = 1;
-+ if (RangeDecoderBitDecode(p + IsRep + state, &rd) == 1)
-+ {
-+ if (RangeDecoderBitDecode(p + IsRepG0 + state, &rd) == 0)
-+ {
-+ if (RangeDecoderBitDecode(p + IsRep0Long + (state << kNumPosBitsMax) + posState, &rd) == 0)
-+ {
-+ #ifdef _LZMA_OUT_READ
-+ UInt32 pos;
-+ #endif
-+ if (
-+ (nowPos
-+ #ifdef _LZMA_OUT_READ
-+ + globalPos
-+ #endif
-+ )
-+ == 0)
-+ return LZMA_RESULT_DATA_ERROR;
-+ state = state < 7 ? 9 : 11;
-+ #ifdef _LZMA_OUT_READ
-+ pos = dictionaryPos - rep0;
-+ if (pos >= dictionarySize)
-+ pos += dictionarySize;
-+ previousByte = dictionary[pos];
-+ dictionary[dictionaryPos] = previousByte;
-+ if (++dictionaryPos == dictionarySize)
-+ dictionaryPos = 0;
-+ #else
-+ previousByte = outStream[nowPos - rep0];
-+ #endif
-+ outStream[nowPos++] = previousByte;
-+ continue;
-+ }
-+ }
-+ else
-+ {
-+ UInt32 distance;
-+ if(RangeDecoderBitDecode(p + IsRepG1 + state, &rd) == 0)
-+ distance = rep1;
-+ else
-+ {
-+ if(RangeDecoderBitDecode(p + IsRepG2 + state, &rd) == 0)
-+ distance = rep2;
-+ else
-+ {
-+ distance = rep3;
-+ rep3 = rep2;
-+ }
-+ rep2 = rep1;
-+ }
-+ rep1 = rep0;
-+ rep0 = distance;
-+ }
-+ len = LzmaLenDecode(p + RepLenCoder, &rd, posState);
-+ state = state < 7 ? 8 : 11;
-+ }
-+ else
-+ {
-+ int posSlot;
-+ rep3 = rep2;
-+ rep2 = rep1;
-+ rep1 = rep0;
-+ state = state < 7 ? 7 : 10;
-+ len = LzmaLenDecode(p + LenCoder, &rd, posState);
-+ posSlot = RangeDecoderBitTreeDecode(p + PosSlot +
-+ ((len < kNumLenToPosStates ? len : kNumLenToPosStates - 1) <<
-+ kNumPosSlotBits), kNumPosSlotBits, &rd);
-+ if (posSlot >= kStartPosModelIndex)
-+ {
-+ int numDirectBits = ((posSlot >> 1) - 1);
-+ rep0 = ((2 | ((UInt32)posSlot & 1)) << numDirectBits);
-+ if (posSlot < kEndPosModelIndex)
-+ {
-+ rep0 += RangeDecoderReverseBitTreeDecode(
-+ p + SpecPos + rep0 - posSlot - 1, numDirectBits, &rd);
-+ }
-+ else
-+ {
-+ rep0 += RangeDecoderDecodeDirectBits(&rd,
-+ numDirectBits - kNumAlignBits) << kNumAlignBits;
-+ rep0 += RangeDecoderReverseBitTreeDecode(p + Align, kNumAlignBits, &rd);
-+ }
-+ }
-+ else
-+ rep0 = posSlot;
-+ rep0++;
-+ }
-+ if (rep0 == (UInt32)(0))
-+ {
-+ /* it's for stream version */
-+ len = -1;
-+ break;
-+ }
-+ if (rep0 > nowPos
-+ #ifdef _LZMA_OUT_READ
-+ + globalPos
-+ #endif
-+ )
-+ {
-+ return LZMA_RESULT_DATA_ERROR;
-+ }
-+ len += kMatchMinLen;
-+ do
-+ {
-+ #ifdef _LZMA_OUT_READ
-+ UInt32 pos = dictionaryPos - rep0;
-+ if (pos >= dictionarySize)
-+ pos += dictionarySize;
-+ previousByte = dictionary[pos];
-+ dictionary[dictionaryPos] = previousByte;
-+ if (++dictionaryPos == dictionarySize)
-+ dictionaryPos = 0;
-+ #else
-+ previousByte = outStream[nowPos - rep0];
-+ #endif
-+ outStream[nowPos++] = previousByte;
-+ len--;
-+ }
-+ while(len > 0 && nowPos < outSize);
-+ }
-+ }
-+
-+ #ifdef _LZMA_OUT_READ
-+ vs->RangeDecoder = rd;
-+ vs->DictionaryPos = dictionaryPos;
-+ vs->GlobalPos = globalPos + nowPos;
-+ vs->Reps[0] = rep0;
-+ vs->Reps[1] = rep1;
-+ vs->Reps[2] = rep2;
-+ vs->Reps[3] = rep3;
-+ vs->State = state;
-+ vs->PreviousIsMatch = previousIsMatch;
-+ vs->RemainLen = len;
-+ #endif
-+
-+ *outSizeProcessed = nowPos;
-+ return LZMA_RESULT_OK;
-+}
---- a/lib/Makefile
-+++ b/lib/Makefile
-@@ -13,7 +13,7 @@
- lib-y += kobject.o kref.o kobject_uevent.o klist.o
-
- obj-y += div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
-- bust_spinlocks.o hexdump.o
-+ bust_spinlocks.o hexdump.o LzmaDecode.o
-
- ifeq ($(CONFIG_DEBUG_KOBJECT),y)
- CFLAGS_kobject.o += -DDEBUG
-@@ -58,6 +58,7 @@
- obj-$(CONFIG_AUDIT_GENERIC) += audit.o
-
- obj-$(CONFIG_SWIOTLB) += swiotlb.o
-+
- obj-$(CONFIG_FAULT_INJECTION) += fault-inject.o
-
- lib-$(CONFIG_GENERIC_BUG) += bug.o
+++ /dev/null
---- a/fs/squashfs/inode.c
-+++ b/fs/squashfs/inode.c
-@@ -4,6 +4,9 @@
- * Copyright (c) 2002, 2003, 2004, 2005, 2006
- * Phillip Lougher <phillip@lougher.org.uk>
- *
-+ * LZMA decompressor support added by Oleg I. Vdovikin
-+ * Copyright (c) 2005 Oleg I.Vdovikin <oleg@cs.msu.su>
-+ *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2,
-@@ -21,6 +24,7 @@
- * inode.c
- */
-
-+#define SQUASHFS_LZMA
- #include <linux/types.h>
- #include <linux/squashfs_fs.h>
- #include <linux/module.h>
-@@ -44,6 +48,19 @@
-
- #include "squashfs.h"
-
-+#ifdef SQUASHFS_LZMA
-+#include <linux/LzmaDecode.h>
-+
-+/* default LZMA settings, should be in sync with mksquashfs */
-+#define LZMA_LC 3
-+#define LZMA_LP 0
-+#define LZMA_PB 2
-+
-+#define LZMA_WORKSPACE_SIZE ((LZMA_BASE_SIZE + \
-+ (LZMA_LIT_SIZE << (LZMA_LC + LZMA_LP))) * sizeof(CProb))
-+
-+#endif
-+
- static void squashfs_put_super(struct super_block *);
- static int squashfs_statfs(struct dentry *, struct kstatfs *);
- static int squashfs_symlink_readpage(struct file *file, struct page *page);
-@@ -64,7 +81,11 @@
- const char *, void *, struct vfsmount *);
-
-
-+#ifdef SQUASHFS_LZMA
-+static unsigned char lzma_workspace[LZMA_WORKSPACE_SIZE];
-+#else
- static z_stream stream;
-+#endif
-
- static struct file_system_type squashfs_fs_type = {
- .owner = THIS_MODULE,
-@@ -249,6 +270,15 @@
- if (compressed) {
- int zlib_err;
-
-+#ifdef SQUASHFS_LZMA
-+ if ((zlib_err = LzmaDecode(lzma_workspace,
-+ LZMA_WORKSPACE_SIZE, LZMA_LC, LZMA_LP, LZMA_PB,
-+ c_buffer, c_byte, buffer, msblk->read_size, &bytes)) != LZMA_RESULT_OK)
-+ {
-+ ERROR("lzma returned unexpected result 0x%x\n", zlib_err);
-+ bytes = 0;
-+ }
-+#else
- stream.next_in = c_buffer;
- stream.avail_in = c_byte;
- stream.next_out = buffer;
-@@ -263,7 +293,7 @@
- bytes = 0;
- } else
- bytes = stream.total_out;
--
-+#endif
- up(&msblk->read_data_mutex);
- }
-
-@@ -2045,15 +2075,19 @@
- printk(KERN_INFO "squashfs: version 3.0 (2006/03/15) "
- "Phillip Lougher\n");
-
-+#ifndef SQUASHFS_LZMA
- if (!(stream.workspace = vmalloc(zlib_inflate_workspacesize()))) {
- ERROR("Failed to allocate zlib workspace\n");
- destroy_inodecache();
- err = -ENOMEM;
- goto out;
- }
-+#endif
-
- if ((err = register_filesystem(&squashfs_fs_type))) {
-+#ifndef SQUASHFS_LZMA
- vfree(stream.workspace);
-+#endif
- destroy_inodecache();
- }
-
-@@ -2064,7 +2098,9 @@
-
- static void __exit exit_squashfs_fs(void)
- {
-+#ifndef SQUASHFS_LZMA
- vfree(stream.workspace);
-+#endif
- unregister_filesystem(&squashfs_fs_type);
- destroy_inodecache();
- }
+++ /dev/null
---- a/Makefile
-+++ b/Makefile
-@@ -507,6 +507,9 @@
- NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
- CHECKFLAGS += $(NOSTDINC_FLAGS)
-
-+# improve gcc optimization
-+CFLAGS += $(call cc-option,-funit-at-a-time,)
-+
- # warn about C99 declaration after statement
- CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
-
+++ /dev/null
---- a/include/asm-mips/system.h
-+++ b/include/asm-mips/system.h
-@@ -188,7 +188,7 @@
- if something tries to do an invalid xchg(). */
- extern void __xchg_called_with_bad_pointer(void);
-
--static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
-+static __always_inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)
- {
- switch (size) {
- case 4:
+++ /dev/null
---- a/drivers/mtd/chips/cfi_cmdset_0002.c
-+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
-@@ -51,6 +51,7 @@
- #define SST49LF040B 0x0050
- #define SST49LF008A 0x005a
- #define AT49BV6416 0x00d6
-+#define MANUFACTURER_SAMSUNG 0x00ec
-
- static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
- static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
-@@ -294,12 +295,19 @@
-
- if (extp->MajorVersion != '1' ||
- (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
-- printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query "
-- "version %c.%c.\n", extp->MajorVersion,
-- extp->MinorVersion);
-- kfree(extp);
-- kfree(mtd);
-- return NULL;
-+ if (cfi->mfr == MANUFACTURER_SAMSUNG &&
-+ (extp->MajorVersion == '3' && extp->MinorVersion == '3')) {
-+ printk(KERN_NOTICE " Newer Samsung flash detected, "
-+ "should be compatibile with Amd/Fujitsu.\n");
-+ }
-+ else {
-+ printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query "
-+ "version %c.%c.\n", extp->MajorVersion,
-+ extp->MinorVersion);
-+ kfree(extp);
-+ kfree(mtd);
-+ return NULL;
-+ }
- }
-
- /* Install our own private info structure */
+++ /dev/null
---- a/drivers/mtd/chips/cfi_cmdset_0001.c
-+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
-@@ -933,7 +933,7 @@
-
- static int __xipram xip_wait_for_operation(
- struct map_info *map, struct flchip *chip,
-- unsigned long adr, unsigned int chip_op_time )
-+ unsigned long adr, int *chip_op_time )
- {
- struct cfi_private *cfi = map->fldrv_priv;
- struct cfi_pri_intelext *cfip = cfi->cmdset_priv;
-@@ -942,7 +942,7 @@
- flstate_t oldstate, newstate;
-
- start = xip_currtime();
-- usec = chip_op_time * 8;
-+ usec = *chip_op_time * 8;
- if (usec == 0)
- usec = 500000;
- done = 0;
-@@ -1052,8 +1052,8 @@
- #define XIP_INVAL_CACHED_RANGE(map, from, size) \
- INVALIDATE_CACHED_RANGE(map, from, size)
-
--#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, usec) \
-- xip_wait_for_operation(map, chip, cmd_adr, usec)
-+#define INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, inval_adr, inval_len, p_usec) \
-+ xip_wait_for_operation(map, chip, cmd_adr, p_usec)
-
- #else
-
-@@ -1065,65 +1065,65 @@
- static int inval_cache_and_wait_for_operation(
- struct map_info *map, struct flchip *chip,
- unsigned long cmd_adr, unsigned long inval_adr, int inval_len,
-- unsigned int chip_op_time)
-+ int *chip_op_time )
- {
- struct cfi_private *cfi = map->fldrv_priv;
- map_word status, status_OK = CMD(0x80);
-- int chip_state = chip->state;
-- unsigned int timeo, sleep_time;
-+ int z, chip_state = chip->state;
-+ unsigned long timeo;
-
- spin_unlock(chip->mutex);
- if (inval_len)
- INVALIDATE_CACHED_RANGE(map, inval_adr, inval_len);
-+ if (*chip_op_time)
-+ cfi_udelay(*chip_op_time);
- spin_lock(chip->mutex);
-
-- /* set our timeout to 8 times the expected delay */
-- timeo = chip_op_time * 8;
-- if (!timeo)
-- timeo = 500000;
-- sleep_time = chip_op_time / 2;
-+ timeo = *chip_op_time * 8 * HZ / 1000000;
-+ if (timeo < HZ/2)
-+ timeo = HZ/2;
-+ timeo += jiffies;
-
-+ z = 0;
- for (;;) {
-+ if (chip->state != chip_state) {
-+ /* Someone's suspended the operation: sleep */
-+ DECLARE_WAITQUEUE(wait, current);
-+
-+ set_current_state(TASK_UNINTERRUPTIBLE);
-+ add_wait_queue(&chip->wq, &wait);
-+ spin_unlock(chip->mutex);
-+ schedule();
-+ remove_wait_queue(&chip->wq, &wait);
-+ timeo = jiffies + (HZ / 2); /* FIXME */
-+ spin_lock(chip->mutex);
-+ continue;
-+ }
-+
- status = map_read(map, cmd_adr);
- if (map_word_andequal(map, status, status_OK, status_OK))
- break;
-
-- if (!timeo) {
-+ /* OK Still waiting */
-+ if (time_after(jiffies, timeo)) {
- map_write(map, CMD(0x70), cmd_adr);
- chip->state = FL_STATUS;
- return -ETIME;
- }
-
-- /* OK Still waiting. Drop the lock, wait a while and retry. */
-+ /* Latency issues. Drop the lock, wait a while and retry */
-+ z++;
- spin_unlock(chip->mutex);
-- if (sleep_time >= 1000000/HZ) {
-- /*
-- * Half of the normal delay still remaining
-- * can be performed with a sleeping delay instead
-- * of busy waiting.
-- */
-- msleep(sleep_time/1000);
-- timeo -= sleep_time;
-- sleep_time = 1000000/HZ;
-- } else {
-- udelay(1);
-- cond_resched();
-- timeo--;
-- }
-+ cfi_udelay(1);
- spin_lock(chip->mutex);
--
-- while (chip->state != chip_state) {
-- /* Someone's suspended the operation: sleep */
-- DECLARE_WAITQUEUE(wait, current);
-- set_current_state(TASK_UNINTERRUPTIBLE);
-- add_wait_queue(&chip->wq, &wait);
-- spin_unlock(chip->mutex);
-- schedule();
-- remove_wait_queue(&chip->wq, &wait);
-- spin_lock(chip->mutex);
-- }
- }
-
-+ if (!z) {
-+ if (!--(*chip_op_time))
-+ *chip_op_time = 1;
-+ } else if (z > 1)
-+ ++(*chip_op_time);
-+
- /* Done and happy. */
- chip->state = FL_STATUS;
- return 0;
-@@ -1132,7 +1132,8 @@
- #endif
-
- #define WAIT_TIMEOUT(map, chip, adr, udelay) \
-- INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, udelay);
-+ ({ int __udelay = (udelay); \
-+ INVAL_CACHE_AND_WAIT(map, chip, adr, 0, 0, &__udelay); })
-
-
- static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t adr, size_t len)
-@@ -1356,7 +1357,7 @@
-
- ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
- adr, map_bankwidth(map),
-- chip->word_write_time);
-+ &chip->word_write_time);
- if (ret) {
- xip_enable(map, chip, adr);
- printk(KERN_ERR "%s: word write error (status timeout)\n", map->name);
-@@ -1593,7 +1594,7 @@
-
- ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr,
- adr, len,
-- chip->buffer_write_time);
-+ &chip->buffer_write_time);
- if (ret) {
- map_write(map, CMD(0x70), cmd_adr);
- chip->state = FL_STATUS;
-@@ -1728,7 +1729,7 @@
-
- ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
- adr, len,
-- chip->erase_time);
-+ &chip->erase_time);
- if (ret) {
- map_write(map, CMD(0x70), adr);
- chip->state = FL_STATUS;
+++ /dev/null
---- a/fs/squashfs/Makefile
-+++ b/fs/squashfs/Makefile
-@@ -4,4 +4,3 @@
-
- obj-$(CONFIG_SQUASHFS) += squashfs.o
- squashfs-y += inode.o
--squashfs-y += squashfs2_0.o
---- a/fs/squashfs/squashfs.h
-+++ b/fs/squashfs/squashfs.h
-@@ -24,6 +24,9 @@
- #ifdef CONFIG_SQUASHFS_1_0_COMPATIBILITY
- #undef CONFIG_SQUASHFS_1_0_COMPATIBILITY
- #endif
-+#ifdef CONFIG_SQUASHFS_2_0_COMPATIBILITY
-+#undef CONFIG_SQUASHFS_2_0_COMPATIBILITY
-+#endif
-
- #ifdef SQUASHFS_TRACE
- #define TRACE(s, args...) printk(KERN_NOTICE "SQUASHFS: "s, ## args)
+++ /dev/null
---- a/arch/mips/kernel/head.S
-+++ b/arch/mips/kernel/head.S
-@@ -129,11 +129,15 @@
- #endif
- .endm
-
-+
-+ j kernel_entry
-+ nop
-+
- /*
- * Reserved space for exception handlers.
- * Necessary for machines which link their kernels at KSEG0.
- */
-- .fill 0x400
-+ .align 10
-
- EXPORT(stext) # used for profiling
- EXPORT(_stext)
+++ /dev/null
---- a/arch/mips/mm/tlbex.c
-+++ b/arch/mips/mm/tlbex.c
-@@ -887,7 +887,6 @@
- case CPU_R10000:
- case CPU_R12000:
- case CPU_R14000:
-- case CPU_4KC:
- case CPU_SB1:
- case CPU_SB1A:
- case CPU_4KSC:
-@@ -915,6 +914,7 @@
- tlbw(p);
- break;
-
-+ case CPU_4KC:
- case CPU_4KEC:
- case CPU_24K:
- case CPU_34K:
+++ /dev/null
---- a/arch/mips/defconfig
-+++ b/arch/mips/defconfig
-@@ -69,6 +69,7 @@
- CONFIG_GENERIC_HWEIGHT=y
- CONFIG_GENERIC_CALIBRATE_DELAY=y
- CONFIG_GENERIC_TIME=y
-+CONFIG_GENERIC_GPIO=n
- CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
- # CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
- CONFIG_ARC=y
---- a/arch/mips/Kconfig
-+++ b/arch/mips/Kconfig
-@@ -704,6 +704,10 @@
- bool
- default y
-
-+config GENERIC_GPIO
-+ bool
-+ default n
-+
- config SCHED_NO_NO_OMIT_FRAME_POINTER
- bool
- default y
---- /dev/null
-+++ b/include/asm-mips/gpio.h
-@@ -0,0 +1,6 @@
-+#ifndef _ASM_MIPS_GPIO_H
-+#define _ASM_MIPS_GPIO_H
-+
-+#include <gpio.h>
-+
-+#endif /* _ASM_MIPS_GPIO_H */
+++ /dev/null
-GIT 1783e2f0f21444020e3dee1be46b1e34af0ea3e7 git+ssh://master.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-newsetup.git
-
-commit 1783e2f0f21444020e3dee1be46b1e34af0ea3e7
-Author: Venki Pallipadi <venkatesh.pallipadi@intel.com>
-Date: Wed Jun 20 14:12:39 2007 -0700
-
- Use a new CPU feature word to cover all Intel features that are spread around
-
- in different CPUID leafs like 0x5, 0x6 and 0xA. Make this
- feature detection code common across i386 and x86_64.
-
- Display Intel Dynamic Acceleration feature in /proc/cpuinfo. This feature
- will be enabled automatically by current acpi-cpufreq driver.
-
- Refer to Intel Software Developer's Manual for more details about the feature.
-
- Thanks to hpa (H Peter Anvin) for the making the actual code detecting the
- scattered features data-driven.
-
- Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit cd19eb67cd6636a4e5c9df99631422c7c7286f59
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed Jun 20 14:33:17 2007 -0700
-
- x86 setup: move __bss_start into the .bss segment
-
- Move __bss_start into the .bss segment, and create __bss_end.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 100327ad6b609cd28970219be57d293847d1261d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed Jun 6 22:07:01 2007 -0700
-
- x86 setup: remove TSC as a required feature
-
- Remove TSC as a required feature, in anticipation of CONFIG_X86_TSC
- removal.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 7c91a172b8af7d4ba087f1f88ed5b155ed459ca3
-Author: Antonino A. Daplas <adaplas@gmail.com>
-Date: Tue Jun 5 19:21:05 2007 +0800
-
- i386: Set 6-bit DAC channel properties in vesa video setup
-
- If the video BIOS is not capable of switching or failed to switch the
- hardware to 8-bit DAC, the channel properties are not set. This leads
- to a blank (all black) display with vesafb at 8 bpp. Fix by defaulting
- to a 6-bit DAC.
-
- Signed-off-by: Antonino Daplas <adaplas@gmail.com>
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 6eac2d442de8d87eac94a4ca8600bd87219fa06b
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue Jun 5 16:19:36 2007 -0700
-
- x86 setup: arch/i386/boot/cpucheck.c whitespace cleanup
-
- Remove stealth whitespace
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit f7d89f05a30433034a1b4651143afdbb2a8a9c92
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 24 16:56:44 2007 -0700
-
- hd.c: remove BIOS/CMOS queries
-
- An ST-506 disk these days is pretty much someone trying to pull ancient
- data using an auxilliary controller. Pulling data from the BIOS or CMOS
- is just plain wrong, since it's likely to be the primary OS disk... and
- would be user-entered data anyway. Instead, require the user enters it
- on the command line.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 14c2fdb3bbfd6a9a774980e446c2443150749891
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 24 15:25:10 2007 -0700
-
- x86: add back pbe bit to visible CPUID flags
-
- Add pbe back to the visible CPUID flags. We *do* correctly filter abuses
- of this bit for 3DNow! in all the appropriate paths.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit e071b068a3b9f318be314f0378e655e2eb50ac89
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 23 14:52:34 2007 -0700
-
- x86 setup: VIA feature mask MSR doesn't just apply to model <= 9
-
- The VIA feature mask MSR is known to be present on model 10, and it
- seems likely it will continue to be supported. Since we only touch the
- MSR if we're about to print an error message anyway, go ahead and be
- aggressive.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit abe0c5aa1827932cda9c754a3842ec22b278d704
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 22 17:17:41 2007 -0700
-
- x86 setup: correct inline assembly constraints in edd.c
-
- Fix the inline assembly constraints in edd.c. In particular, "driveno"
- was getting clobbered on some (buggy?) BIOSes.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit c2e5887ad275aab90673a3e33344f09946159cf7
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 18 10:02:55 2007 -0700
-
- x86 setup: force the assembler to generate a 2-byte jump in header
-
- The jump instruction in the header only has two bytes available, so
- it *better* be a 2-byte jump! Unfortunately, the assembler will
- always generate a 3/5-byte jump when the target is in a different
- section. Deal with that by generating the jump instruction
- explicitly from .byte's, just like we do elsewhere when we need a
- specific binary representation of a certain instruction.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit ce82e3b93eba48b6852822a03efa73c74e165d4f
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 17 15:44:48 2007 -0700
-
- x86 setup: move the symbol start_of_setup into the proper section.
-
- start_of_setup is the beginning of the executable code and should be
- located in the appropriate section.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit e5f3a529457a5bfaf8f8783fb86013221279a81c
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 17 15:43:19 2007 -0700
-
- x86 setup: add an ASSERT that the header ends up in the right place
-
- Just in case we have funnies involving the linker or people putting
- inappropriate align statements, make the linker abort if the setup
- header ends up in the wrong place.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit d9dbde725687ab99d1f529f49f14d1e280cc5cac
-Author: Alexander van Heukelum <heukelum@mailshack.com>
-Date: Thu May 17 20:54:25 2007 +0200
-
- x86 new setup: use appropriate sections for code and data
-
- An intermediate elf file is generated for the 16-bit setup code.
- The generated code can be viewed using objdump -m i8086 -d. As it
- stands, it also tries to disassemble the bugger_off_msg, which
- results in garbage. This introduces two new sections to separate
- the code and the data part of the bootsector stub. It also moves
- some code from the .header section (a data section) to .inittext.
-
- Signed-off-by: Alexander van Heukelum <heukelum@mailshack.com>
-
-commit 0d7558a81cf61e9fd2332a54897c5fd18df0d7f2
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 16 22:03:16 2007 -0700
-
- x86 setup: use -include code16gcc.h instead of explicit #include
-
- Use -include in the Makefile instead of #include to include code16gcc.h.
- This really is more of a compiler switch than anything else, and is a lot
- cleaner to do implicitly.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 017ce54e8a4a9628a76d6b510c7309a7e4e111a8
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 16 18:48:06 2007 -0700
-
- x86 setup: enable features on Centaur (VIA) and Transmeta processors
-
- AMD are not the only ones who sometimes mask features which the kernel
- may very well depend on. VIA and Transmeta do, too. Add code to enable
- these features during checking.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit b794f5f9c5089709f3df38c6d91869fa38a9c1a4
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 16 16:37:47 2007 -0700
-
- x86 setup: in older versions of ld, ASSERT() is an expression
-
- Older versions of ld (pre-2.15 or so) need:
-
- . = ASSERT(foo, "msg");
-
- instead of:
-
- ASSERT(foo, "msg")
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 21c2b7c99c417d07015ee8e516a634ec3d98c4ee
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 16 10:52:41 2007 -0700
-
- x86 setup: print a warning message if the bootloader gave us no heap.
-
- If the bootloader is so old it doesn't set the CAN_USE_HEAP flag,
- a lot of functionality will by necessity be disabled, so print a
- warning message. This means either a 2.00 protocol bootloader or
- a buggy bootloader; the Qemu bootloader falls in this category.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 52ca0431390d389a2a2246f02fe652ea84c1ddd8
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 16 10:51:03 2007 -0700
-
- x86 setup: rely on a compiled-in default for load high/load low
-
- When deciding if we should move the kernel from 0x10000 to 0x1000, as
- is required for a zImage kernel, rely on a compiled-in default since
- Qemu unconditionally zeroes the loadflags. This, of course, is a bug
- in Qemu, but still...
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 4db77a97793104a32e5fb83e62b943fa144b329d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 16 08:45:37 2007 -0700
-
- x86 setup: correct assembly constraints.
-
- Double use of "d" in an asm() constraints; most gcc versions correctly
- detect and avoid using it, but some version of gcc runs itself into
- a brick wall instead. Fix the one "d" which should have been "a".
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 4fbccbc1457d6710d3a9ce55ad70ec6cb0b75fc5
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 15 09:16:29 2007 -0700
-
- x86 setup: include <asm/msr-index.h> not <asm/msr.h>
-
- <asm/msr.h> brings in the accessor functions, which may potentially
- bring in all other kinds of kernel headers which are inappropriate for
- the setup code. For the setup code, include <asm/msr-index.h>
- instead, which only includes the numeric constants.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 839cafa9c0020e7506722dd2a4fd82a71c2939cc
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon May 14 15:49:01 2007 -0700
-
- x86 setup: protocol 2.0[01]: base for CL_OFFSET depends on setup_move_size
-
- Handle the use of boot protocol 2.00 and 2.01: the base segment for
- CL_OFFSET depends on the value of setup_move_size.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit d60357ad68a694b03e9b952eadba5ac277c31df0
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 12 12:18:53 2007 -0700
-
- x86 setup: remove unused variable
-
- Remove unused variable
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit e21a2030b01081612259847321bcce13eae1e883
-Author: Sam Ravnborg <sam@ravnborg.org>
-Date: Sat May 12 12:17:30 2007 -0700
-
- x86 setup: share i386 Makefile with x86_64
-
- The boot Makefile for i386 and x86_64 are equal
- except for the CFLAGS setting.
- Teach x86_64 to use the Makefile from i386 and
- make CFLAGS setting arch dependent in i386 Makefile.
-
- Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 8618d92339d0d106045f98f34833d863c3235cdb
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 12 00:32:12 2007 -0700
-
- x86 setup: video-bios.c missed the pointer to the set_mode method!
-
- We need the actual pointer to the set_mode method (oops!)
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 85dfc374ea9aad33b9e0315f07a4b2722dc11e3e
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 12 00:14:43 2007 -0700
-
- x86 setup: when setting unknown BIOS modes and failing, try to revert
-
- If we set an unknown BIOS mode and fail, then explicitly try to revert
- to the original mode.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit f4f7949f126d2f152b09fa9367b1ec693f2ea818
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 11 11:20:59 2007 -0700
-
- x86 setup: fix typo "video_bios" should be "video-bios"
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 51ba7113ea5b07189b7f8a0534d400a072535197
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 11 11:09:55 2007 -0700
-
- x86 setup: allow setting VESA modes "blind"
-
- Apparently, people really do set VESA modes "blind". As a result, make
- the framework for settting blind modes more general, to remove some
- special cases.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 1b8f73d9b2bf7630a2914ddab606db16fddb509e
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 10 22:08:45 2007 -0700
-
- x86_64: CONFIG_PHYSICAL_ALIGN should be 2 MB
-
- It's not actually used yet, but set CONFIG_PHYSICAL_ALIGN to 2 MB
- as it should be, to prevent conflicts with other works in progress.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit b81f3c88923e4470cd0942d4596fafc0fb1cf4fd
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 10 19:11:32 2007 -0700
-
- x86 setup: remove debugging statements
-
- Remove debugging statements in video.c that were not meant for
- production.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit be58b6d7e9c14e482bce495e8343955999dea77f
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 10 18:49:40 2007 -0700
-
- x86 setup: only restore the screen image when needed
-
- Only restore the screen image when needed. This is how the original
- code behaves, so it's presumably the desired behaviour.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 22f6bd8cc23b512af28e34ae7d40036982a0ac63
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 10 18:44:08 2007 -0700
-
- x86 setup: correct the definition of the GDT limit
-
- Like all other x86 segment limits, the GDT limit points to the last byte
- that is *permitted* to access, so it needs to be sizeof(boot_gdt)-1.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 7f73f1f4aa4c97745bffe07a3ebcf226a4965b00
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 10 15:47:48 2007 -0700
-
- x86 setup: Re-implement scanning for hidden video modes
-
- Re-implement scanning for hidden video modes. Every now and then,
- apparently, you can find them hidden like easter eggs.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 6770176714bc12ec92372311ac02c14f0d22776e
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 10 15:24:27 2007 -0700
-
- x86 setup: whitespace cleanup
-
- Clean up stealth whitespace.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit ba0480a3537cf471b08bdb99dae6d0780cfb1972
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 9 16:54:42 2007 -0700
-
- x86: sync the CPU feature string arrays
-
- With <asm/cpufeature.h> unified, synchronize the CPU feature string
- arrays. The whole kernel/cpu directory really needs to be unified.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit ecb53b84efddbad3d9aa49e95598550831324348
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 8 22:06:04 2007 -0700
-
- x86 setup: need to set orig_video_isVGA
-
- After detecting a VGA console, we need to set
- boot_params.screen_info.orig_video_isVGA.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit dc97fc053faff17b984ec962686caea52bd27628
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 8 20:51:17 2007 -0700
-
- x86 setup: boot sector should use ljmp, not jmpl
-
- We have an "jmpl" instruction in the boot sector, which was meant
- to be an "ljmp" instruction. It worked anyway because gas interpreted
- a two-argument "jmpl" as an "ljmpl" instruction, however, use plain
- "ljmp" (i.e. "ljmpw".)
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 7907f05e9692557c53c9ac13647db5e5343c7c76
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 8 20:27:10 2007 -0700
-
- x86 setup: only make VESA graphics modes selectable if CONFIG_FB
-
- If we select a VESA graphics mode, we better have framebuffer support
- or the user will have no console. Therefore, make these modes
- non-selectable if CONFIG_FB is not set.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 8e509f9ebc44f45544d231454e84f10bf78d5772
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 8 20:24:11 2007 -0700
-
- x86 setup: need to probe VESA EDID block 0 only
-
- The VESA EDID BIOS call takes the EDID block number in %dx, and may
- corrupt it by spec. Pass it in properly.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 9912b9aed7943773d1fadaa2e2e52f42af395048
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon May 7 18:22:04 2007 -0700
-
- x86 setup: add missing file "bitops.h" missing from previous checkins
-
- The file "bitops.h" was missing from previous checkins.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 732eb3fac2d772980e6555b8c69902c8107c72aa
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon May 7 14:59:43 2007 -0700
-
- x86 setup: add -fno-stack-protector; other Makefile fixes
-
- Add -fno-stack-protector for the gcc's that need that;
- Use -ffreestanding consistently;
- Use $(LINUXINCLUDE);
- Handle linker scripts consistently with other Makefiles.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 2d5e47f21202e156fe97aba0a88d158d5c157a33
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon May 7 14:45:25 2007 -0700
-
- x86 setup: swap cpu.c and cpucheck.c; rename functions
-
- Make cpucheck.c the reusable component; the generically-named cpu.c
- gets to be the wrapper. Accordingly, rename functions to make it
- less confusing.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit bf2a428a4e7c1ee3ab9acb23cfafb45e818887a1
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon May 7 14:09:38 2007 -0700
-
- x86 setup: remove code moved from cpucheck.c -> cpu.c
-
- Move all info about requirements into cpu.c.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 9ea8429fabe5df6aed6393ac3a00d0b64445ba6a
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon May 7 09:42:51 2007 -0700
-
- x86 setup: remove double nesting of a20_test()
-
- a20_test() was invoked as either a20_test() or a20_wait(), where the
- latter was simply a loop around a loop. Make the count a parameter
- instead; this is clearer and saves a couple of bytes.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 9edc55718f57195c664ee3175514d652f651cfd2
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon May 7 09:30:41 2007 -0700
-
- x86 setup: compile with -fomit-frame-pointer
-
- Compiling with -fomit-frame-pointer reduces the size by about 2%.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit e1003433f2d491bf17c79437cd75268da220dab5
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon May 7 09:30:04 2007 -0700
-
- x86 setup: be more paranoid about the stack setup in header.S
-
- In particular, deal correctly with the stack pointer being zero on entry.
- While we're at it, align the stack.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 853499c3dc3fcbeb192a613ac241d150ebc7c5a0
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sun May 6 23:25:10 2007 -0700
-
- x86 setup: Factor out the environment-independent part of the CPU check.
-
- Factor out the environment-independent part of the CPU check so it can
- be invoked from other parts of the kernel as well.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit f235a61f6d6dff57883efad351d746540bcb8caf
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 5 22:16:54 2007 -0700
-
- x86 setup: when watching the setup size, take the stack into account
-
- When watching the setup size, we have to take the stack into account.
- In particular, the stack is used not only by the setup code itself, but
- by BIOS interrupt handlers and system calls. Reserve a minimum of
- 512 bytes.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 0d0e10091be48f7e4c8888e9d5c2836c704994f5
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 5 19:25:51 2007 -0700
-
- x86 setup: actually check the end of the heap.
-
- Keep track of where the heap ends and actually watch out for it.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 47aab0b8f4d012fad3c42b5b0754d3cb87961b37
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 5 15:47:58 2007 -0700
-
- x86 setup: coppyright rPath, Inc.
-
- This work was done on the dime of rPath, Inc.; they own the copyright.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit d22571534d7eabf9408f29d9da423e1c6e04445f
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 5 15:21:11 2007 -0700
-
- x86 setup: implement screen contents save/restore
-
- The old setup code had screen contents save and restore, so implement
- it for the new one as well.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit e5145601a752bd998e783d159c187d3017d45d6d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 5 15:20:19 2007 -0700
-
- x86 setup: whitespace cleanup
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 045ecb52f91a74eecad93ffc8791eefe59cf7fd1
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 5 14:22:39 2007 -0700
-
- x86 setup: allow setting of VESA graphics modes; cleanups
-
- - Allow setting of VESA graphics modes (used by vesafb)
- - Clean up the macros related to the heap
- - #if 0 copy functions that aren't actually currently being used
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 58c04ed7e2d7d5979e1917a74b49bdc0f3dde211
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 5 12:06:14 2007 -0700
-
- x86 setup: move all VESA-related code into video-vesa.c; add EDID
-
- - Move all VESA-related code into video-vesa.c
- - Add VESA EDID query support
- - Remove some totally obsolete definitions from video.h
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 07bc3931175fb98256140275c03194426d441b74
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Sat May 5 12:04:40 2007 -0700
-
- x86-64: remove -traditional from AFLAGS
-
- In arch/x86_64/boot/compressed, remove -traditional from AFLAGS.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit a830f615eeef838d461cbf7bbbee8c1c84708ec8
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 18:44:38 2007 -0700
-
- x86 setup: share code between i386 and x86-64
-
- Share the boot (setup) code and tools between i386 and x86-64.
- The compression code is now running in 64-bit mode in order to support
- relocation, so do *not* share that code.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 3e159a323bdfa5d5a7be2c1f6be089ca22d598e0
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 18:43:35 2007 -0700
-
- x86-64: use 0x1b4 as the scratch area in boot_params, not 0x3c
-
- Use 0x1b4 as the scratch area in boot_params rather than 0x3c.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 4cf4424e7a0f29f251b781f9b5e3655b0645cb7f
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 18:26:18 2007 -0700
-
- Revert "x86-64: Make arch/x86-64/boot a symlink to arch/i386/boot"
-
- This reverts commit b2ad90f4969226fe8cf3edc5330711ed5fc20105.
-
- Restore arch/x86_64/boot as a separate directory hierarchy.
-
- Conflicts:
-
-commit 8ed1ae1d2f94410811b7cca4b1a426e37652457f
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 17:00:33 2007 -0700
-
- x86-64: It appears MTRR isn't a required feature after all.
-
- MTRR was documented as a required feature, but appears to boot fine
- without it (tested since Bochs doesn't have MTRR support.)
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 7c616d098579fb790662cdc703f2a0f26ea1668c
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 16:22:57 2007 -0700
-
- x86 setup: use 0x1e4 as scratch, instead of 0x3c
-
- The compressed relocation needs a 4-byte scratch area to obtain
- its own address.
-
- 0x3c is at the end of the video area, which is quite constrained -- it
- only has 6 bytes left (12 if we recycle the obsolete fields which invade
- this space.) Define 0x1e4 as a scratch field, and use it.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 5bc1019227e94576e4876d05ee920f59195bce90
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 16:09:15 2007 -0700
-
- x86 setup: boot_params.e820_map is just the map, not the count; adjust
-
- boot_params.e820_map is just a list of entries, whereas
- "struct e820map" contains a count as well. Thus, don't use
- "struct e820map" to describe struct boot_params.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 0f96b52497f444be2d52d1184ca90be49f713ea3
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 15:49:03 2007 -0700
-
- x86 setup: E820MAX is a definitional constant; no need to use sizeof hacks
-
- Now when we're using the standard headers for the setup code, we can use
- E820MAX instead of playing sizeof games.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 3a23a428b20cbb31fd7ff5516a053b99afc447f7
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 12:08:46 2007 -0700
-
- x86: move the bootparam structure definition into include/
-
- Move the bootparam structure definition into include/, and make other
- things use it. Haven't cleaned up all the macros yet, though.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit e93ec58911995971aa059990f8a91a02b05f6c8f
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 12:07:50 2007 -0700
-
- i386: change %lu to %u in arch/i386/kernel/e820.h
-
- It's an u32, print it with %u
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 2f47f004f614e2744867c0df274c55d8af2a42d5
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 12:06:04 2007 -0700
-
- x86: fix differences between i386 and x86-64 <asm/e820.h>
-
- Fix minor differences between i386 and x86-64 <asm/e820.h>
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 56ec52f14e948f430af941052adee98019a617b7
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 11:45:17 2007 -0700
-
- x86: fix the definition of struct screen_info
-
- Name the fields that aren't really struct screen_info, and declare
- the structure packed (the "capabilities" field is misaligned.)
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 1d4429eaa564b0085d9ee3aa2de57e87a093a14e
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 11:43:10 2007 -0700
-
- x86-64: Make arch/x86-64/boot a symlink to arch/i386/boot
-
- Until such time that Kbuild allows for a cleaner solution, make
- arch/x86-64/boot a symlink to arch/i386/boot.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 6a85f1b5fd041ea99d8604782559ce0502a60cc0
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 10:42:06 2007 -0700
-
- x86-64: rearrange includes due to unifications and inclusion from setup
-
- Unification caused a circular dependency between <asm/alternative.h>
- and <asm/cpufeature.h>; resolve this.
-
- Add #ifndef _SETUP in <asm/e820.h> so it can be included from the boot
- code.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit f6bbdc254bdbd5f7cf7a40c4cd6f9844af90824a
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 10:40:26 2007 -0700
-
- x86: Complete <asm/cpufeature.h> with the union of i386 and x86-64
-
- Add a feature to <asm/cpufeature.h> which was previously present
- in x86-64 but missing in i386.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 1a0819281060489901732914f67869e0aa8f26fd
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 10:39:32 2007 -0700
-
- x86: unify <asm/boot.h>
-
- Unify <asm/boot.h> between i386 and x86-64
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 8d9c54585f4623e0310f970fb5c6eda7ec1614df
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 10:38:35 2007 -0700
-
- x86-64: verify_cpu.S: use new masks
-
- Use the <asm/required-features.h> masks.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 6cf3308646bb7a3210f0f76bcb895b2dea76a93c
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 10:37:26 2007 -0700
-
- x86-64: fix compilation errors due to required-features.h change
-
- Fix compilation errors induced by required-features.h change.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 1324201a93ce380b46a3128826ecbd794e617e59
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 10:35:37 2007 -0700
-
- x86-64: <asm/segment.h>: add boot segment descriptors
-
- Add boot segment descriptors to <asm/segment.h> to match i386.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit a0b15a9e79ed0310813709cd0690d6838917fe82
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 10:34:37 2007 -0700
-
- x86-64: add CONFIG_PHYSICAL_ALIGN to match i386
-
- Add CONFIG_PHYSICAL_ALIGN to match i386, even though we don't use it.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 8f5d14d11a7318e257351ae477392c7f7e314602
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 10:33:54 2007 -0700
-
- x86 setup: cleanups for compatibility with x86-64
-
- These changes are necessary to compile on x86-64.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit a32f68b6d4023c1c6b1e62e8561189516c571ab9
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Fri May 4 08:40:07 2007 -0700
-
- x86 setup: add missing linker script
-
- Add linker script for the setup code, apparently missing from previous
- checkins.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 4f34ca8e926b2d0bf3a7502b99f8dfced8cdba9d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 3 17:42:29 2007 -0700
-
- x86 setup: paranoia: clear the high half of %esp
-
- We're invoked in 16-bit mode from an unknown bootloader. Make sure
- we explicitly zero the upper half of %esp to avoid nasty surprises.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 19eb9b73cc1632a923003a002108b242af7a6080
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 3 17:35:41 2007 -0700
-
- x86 setup: bootlin is *so* dead...
-
- Bootlin was never able to load bzImage kernels, so who cares about it.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 3b9fb73c65151ee043bc74c333d9e3c9b1872125
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 3 10:56:40 2007 -0700
-
- x86 setup: apparently $(src) is insufficient, needs $(srctree)/$(src)
-
- For some unfanthomable reason the location of the source tree that
- corresponds to the current directory has to be written as
- $(srctree)/$(src) apparently. There might be a good reason for it,
- but shorthand would be appreciated, and $(src) really should be the
- short form.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit a6d01d375a2269be1e3a6b31bcc4d426ad5a473d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 3 10:51:45 2007 -0700
-
- x86 setup: remove reference to obsolete cpureq.c
-
- cpureq.c has been removed; remove it from the Makefile too.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit cbe5b7585d800435080bcbf1b1fd242926982674
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 3 10:33:12 2007 -0700
-
- x86 setup: use the required masks from <asm/required-features.h>
-
- Use the now-uniform features from <asm/required-features.h>.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 99ed30180ecc1bb4e93f6edda5f6bad1adf3e630
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 3 10:31:12 2007 -0700
-
- x86: make the handling of required features consistent
-
- Make the handling of required features consistent between i386
- and x86-64.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 1120d70a2be8f2deb6bda64047da288d8f86dad3
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 3 00:09:53 2007 -0700
-
- x86: Kconfig.cpu: the minimum CPU model is always 3; WP_WORKS_OK = i486
-
- The minimum CPU model number is always 3 (i386), and if we have
- WP_WORKS_OK it means we need an i486.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit ebc308c204149b86984ae2216f5b9b2e63932028
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Thu May 3 00:08:48 2007 -0700
-
- x86 setup: use CONFIG_X86_MINIMUM_CPU_MODEL
-
- Use CONFIG_X86_MINIMUM_CPU_MODEL as defined in Kconfig.cpu.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 8b50b640e015bf5d0f65502437da6fcab46c391b
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 23:45:42 2007 -0700
-
- x86 setup: remove bogus "static"
-
- Remove invalid "static" declarations in cpu.c
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 35d23b60dfb110da81c24bcbfcda089cfc4fd264
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 23:37:50 2007 -0700
-
- x86 setup: cpu detection cleanups
-
- - Use <asm/processor-flags.h>
- - Make sure %cr0 isn't in a dangerous configuration before probing the FPU
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit a1150a03247b355d11a4bb696b8aae1f46612992
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 23:36:55 2007 -0700
-
- x86 setup: compile with -DSETUP
-
- Define SETUP to make it easier to share code with the rest of the kernel.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 7eb52e8ad1bdf01886023d1a13b3313084cd7db6
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 23:34:57 2007 -0700
-
- x86 setup: remove unused verify_cpu.S
-
- verify_cpu.S is obsoleted by boot/cpu.c.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit e90317a027c30176968220d18eb18bd6a9d9cc74
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 20:07:43 2007 -0700
-
- x86 setup: files missing from previous checkin (cpu.c, cpureq.c)
-
- These files were missing from a previous checkin; CPU feature-checking
- code and the list of CPU features to check for.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 060f9b3db33c67b5344b2b4110bc823eb776e5cd
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 19:51:34 2007 -0700
-
- x86 setup: whitespace cleanup
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 9f997a5569ec8fceaa15c2e9cf28e728e2ce118d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 19:07:14 2007 -0700
-
- x86 setup: add CPU feature detect/abort on insufficient featurage
-
- The x86 setup is the right place to check features and abort if they
- are not present, since we can still get a message to the user via the
- firmware.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit de4e976376fddec340651ef40b16a45f6189619d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 19:05:34 2007 -0700
-
- x86 setup: whitespace cleanup
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit bcd2d2f8de5d4568b6628aa133fce1ac40ece526
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 16:19:59 2007 -0700
-
- x86 setup: tag functions noreturn; error message on A20 failure
-
- Tag appropriate functions noreturn.
- If the A20 gate fails, output an error message and refuse to boot.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 752aef90cbfc888084bf11fd83f8f72b6a668fc9
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 15:45:08 2007 -0700
-
- x86 setup: clobber registers in keyboard BIOS call
-
- Keyboard BIOS call to set repeat rate is known to clobber registers on
- "many" BIOSes.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit dde94003e4759aab275732cf9f1834440cd381d0
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 15:44:21 2007 -0700
-
- x86 setup: implement APM BIOS probe
-
- APM BIOS probe ported from assembly
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 9403917d79e3349184318704476fa080836bd52c
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 15:17:14 2007 -0700
-
- x86 setup: remove references to obsolete probes
-
- Remove "Hello, World!" as well as references to probes which are no
- longer used...
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 712f65ffbd1d4b55b4c55d68b4dcd32406c28fb8
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 12:17:15 2007 -0700
-
- x86 setup: video.c: correct the handling of special mode numbers
-
- Special mode numbers with the high bit set need to be handled *before*
- masking out the high bit.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 9cf083204fe14cda3b09840eba8d131d2e48ccdf
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 11:44:16 2007 -0700
-
- x86 setup: Modern ATI cards pass the probe but lacks the modes.
-
- It appears modern ATI cards pass the probe for ATI-ness but lack the
- modes. Kill off the driver as being incorrect.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 890cbe950589e30af17eac9da800efc76e35e01d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 11:32:21 2007 -0700
-
- x86 setup: a20.c: make empty_8042() return status
-
- Make functions which could reasonably return status do so. It may
- be relevant in the future, and it's a lot better if the programmer
- doesn't have to figure out where everything should hook in.
-
- Just on principle.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 08a44dc655e0086d23fc3c70cb93eb51eaeec259
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 11:31:03 2007 -0700
-
- x86 setup: video.c: clean up unused stuff
-
- Clean up unused variables that we have no intent on using, as well
- as other cruft.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 57e69acff1f577de430cae1523fd49a5d113e885
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 11:18:13 2007 -0700
-
- x86 setup: drop video mode range checking
-
- Drop video mode range checking. If someone really has, say, 12x40 mode
- visible through the BIOS then allow them to select it... odds are low
- that it will actually conflict with the very sparse allocation we have
- anyway.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit c0dda0b90f92d43872d55d295630a71cd357cfa6
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 11:15:53 2007 -0700
-
- x86 setup: if no specific video mode ID is given, generate one
-
- If we don't specify a certain video mode ID in the driver, then
- generate the 0xRRCC mode ID automatically.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 0db5086e79810e7c5d560006b1c9a7501a02d80c
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 11:10:28 2007 -0700
-
- x86 setup: Sadly, Cirrus removed extended text modes from their BIOS.
-
- In the later era of the Cirrus 54xx series, Cirrus removed extended text
- modes from their BIOS. Neither Qemu nor Bochs implement them in the BIOS.
- If we can find a direct-register-poking method of setting them that
- works in Bochs/Qemu it might be worthwhile to resurrect this; the probing
- routine *does* work.
-
- Of course, the Right Thing[TM] would be to submit such a routine to the
- Bochs/Qemu BIOS as a VESA text mode.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 41f3fddeeb764687bf3fb0cf77fd858128571d58
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Wed May 2 10:18:07 2007 -0700
-
- x86 setup: remove assembly implementation of putchar and puts
-
- Already unused, remove assembly implementation of putchar and puts.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit dfa94cd86aca2c01d2f5e14b6e7c3e8258276195
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:41:28 2007 -0700
-
- x86 setup: Call INT 15h AX=E820h properly
-
- The calling convention for BIOS call 15:E820 was messed up.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 2487575a36435c0a983febbb4f3751331bd2df7a
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:34:12 2007 -0700
-
- x86 setup: advance one e820 descriptor at a time...
-
- Adding sizeof(foo) to a foo * is not just useless, it's pretty damaging...
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 530d4f4f1732335ae8725c0b8c332a618e63ea1d
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:33:28 2007 -0700
-
- x86 setup: fix memcmp_[fg]s()
-
- Actually return a value from memcmp_[fg]s()...
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 8617cd56ff2e43303147da012b26c9dd46af726e
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:32:47 2007 -0700
-
- x86 setup: fix missing semicolon in video-ati.c
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 7bbf7fa3e199b9cef4877c5a56128faff8636cc9
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:26:48 2007 -0700
-
- x86 setup: make the video setup code actually do something...
-
- Basic video setup now works (there is still work to be done, however.)
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 45bcd4406e4b812b32d317d9b3b8db2e5f135a3c
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:25:20 2007 -0700
-
- x86 setup: segment descriptors need to be Present
-
- The segment descriptors were missing the Present bit.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit a39479d4ccf4dceffb623ad2ec7e2d708c38c637
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:24:32 2007 -0700
-
- build: setup sectors doesn't include the boot sector
-
- The "setup sectors" field doesn't include the old boot sector,
- even though the two are now one module.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit d8f3d4928ead72e8febe2fcd740d0fee71a61f42
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:23:44 2007 -0700
-
- x86 setup: in tty.c, actually tell it what character to print
-
- putchar() was missing the actual passing of the character code to the
- BIOS call, with very silly-looking results.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 4f1462ed0377e180484a223e622d62432baa64b7
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Tue May 1 21:22:46 2007 -0700
-
- x86 setup: printf.c needs code16gcc.h
-
- printf.c was missing code16gcc.h, with predictable consequences.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit a5ba7e6df198bd204b0f87fc6e3f68388b9d14c1
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon Apr 30 20:56:42 2007 -0700
-
- MAINTAINERS: formally take responsibility for the i386 boot code
-
- Change MAINTAINERS to formally take responsibility for the i386 boot code.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-
-commit 6c821fc005655a99eff6e86c2e4b13654de94dea
-Author: H. Peter Anvin <hpa@zytor.com>
-Date: Mon Apr 30 20:54:07 2007 -0700
-
- x86 setup code rewrite: initial development snapshot
-
- Clean up the setup code and rewrite it in C.
- This is an initial development snapshot, not a working tree.
-
- Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
----
-
- MAINTAINERS | 4
- arch/i386/Kconfig.cpu | 4
- arch/i386/boot/Makefile | 45
- arch/i386/boot/a20.c | 161 +
- arch/i386/boot/apm.c | 97
- arch/i386/boot/bitops.h | 45
- arch/i386/boot/boot.h | 290 ++
- arch/i386/boot/bootsect.S | 98
- arch/i386/boot/cmdline.c | 97
- arch/i386/boot/code16gcc.h | 9
- arch/i386/boot/compressed/Makefile | 7
- arch/i386/boot/compressed/head.S | 6
- arch/i386/boot/compressed/misc.c | 3
- arch/i386/boot/copy.S | 101
- arch/i386/boot/cpu.c | 69
- arch/i386/boot/cpucheck.c | 266 ++
- arch/i386/boot/edd.S | 231 --
- arch/i386/boot/edd.c | 196 +
- arch/i386/boot/header.S | 283 ++
- arch/i386/boot/main.c | 161 +
- arch/i386/boot/mca.c | 43
- arch/i386/boot/memory.c | 99
- arch/i386/boot/pm.c | 170 +
- arch/i386/boot/pmjump.S | 54
- arch/i386/boot/printf.c | 331 ++
- arch/i386/boot/setup.S | 1075 ---------
- arch/i386/boot/setup.ld | 54
- arch/i386/boot/string.c | 34
- arch/i386/boot/tools/build.c | 156 -
- arch/i386/boot/tty.c | 112
- arch/i386/boot/version.c | 23
- arch/i386/boot/vesa.h | 79
- arch/i386/boot/video-bios.c | 125 +
- arch/i386/boot/video-vesa.c | 283 ++
- arch/i386/boot/video-vga.c | 260 ++
- arch/i386/boot/video.S | 2043 ------------------
- arch/i386/boot/video.c | 456 ++++
- arch/i386/boot/video.h | 145 +
- arch/i386/boot/voyager.c | 46
- arch/i386/kernel/cpu/addon_cpuid_features.c | 50
- arch/i386/kernel/cpu/common.c | 2
- arch/i386/kernel/cpu/proc.c | 21
- arch/i386/kernel/e820.c | 2
- arch/i386/kernel/setup.c | 12
- arch/i386/kernel/verify_cpu.S | 94
- arch/x86_64/Kconfig | 4
- arch/x86_64/boot/Makefile | 136 -
- arch/x86_64/boot/bootsect.S | 98
- arch/x86_64/boot/compressed/Makefile | 9
- arch/x86_64/boot/compressed/head.S | 6
- arch/x86_64/boot/install.sh | 2
- arch/x86_64/boot/mtools.conf.in | 17
- arch/x86_64/boot/setup.S | 826 -------
- arch/x86_64/boot/tools/build.c | 185 -
- arch/x86_64/kernel/Makefile | 2
- arch/x86_64/kernel/setup.c | 21
- arch/x86_64/kernel/verify_cpu.S | 22
- drivers/ide/legacy/hd.c | 73
- include/asm-i386/boot.h | 6
- include/asm-i386/bootparam.h | 85
- include/asm-i386/cpufeature.h | 26
- include/asm-i386/e820.h | 14
- include/asm-i386/processor.h | 1
- include/asm-i386/required-features.h | 37
- include/asm-i386/setup.h | 10
- include/asm-x86_64/alternative.h | 68
- include/asm-x86_64/boot.h | 16
- include/asm-x86_64/bootparam.h | 1
- include/asm-x86_64/cpufeature.h | 115 -
- include/asm-x86_64/e820.h | 6
- include/asm-x86_64/processor.h | 3
- include/asm-x86_64/required-features.h | 46
- include/asm-x86_64/segment.h | 8
- include/linux/edd.h | 4
- include/linux/screen_info.h | 9
- 75 files changed, 4594 insertions(+), 5204 deletions(-)
-
---- a/MAINTAINERS
-+++ b/MAINTAINERS
-@@ -1750,8 +1750,8 @@
- S: Maintained
-
- i386 BOOT CODE
--P: Riley H. Williams
--M: Riley@Williams.Name
-+P: H. Peter Anvin
-+M: hpa@zytor.com
- L: Linux-Kernel@vger.kernel.org
- S: Maintained
-
---- a/arch/i386/Kconfig.cpu
-+++ b/arch/i386/Kconfig.cpu
-@@ -346,6 +346,6 @@
-
- config X86_MINIMUM_CPU_MODEL
- int
-- default "4" if X86_XADD || X86_CMPXCHG || X86_BSWAP
-- default "0"
-+ default "4" if X86_XADD || X86_CMPXCHG || X86_BSWAP || X86_WP_WORKS_OK
-+ default "3"
-
---- a/arch/i386/boot/Makefile
-+++ b/arch/i386/boot/Makefile
-@@ -25,27 +25,53 @@
-
- #RAMDISK := -DRAMDISK=512
-
--targets := vmlinux.bin bootsect bootsect.o \
-- setup setup.o zImage bzImage
-+targets := vmlinux.bin setup.bin setup.elf zImage bzImage
- subdir- := compressed
-
-+setup-y += a20.o apm.o cmdline.o copy.o cpu.o cpucheck.o edd.o
-+setup-y += header.o main.o mca.o memory.o pm.o pmjump.o
-+setup-y += printf.o string.o tty.o video.o version.o voyager.o
-+
-+# The link order of the video-*.o modules can matter. In particular,
-+# video-vga.o *must* be listed first, followed by video-vesa.o.
-+# Hardware-specific drivers should follow in the order they should be
-+# probed, and video-bios.o should typically be last.
-+setup-y += video-vga.o
-+setup-y += video-vesa.o
-+setup-y += video-bios.o
-+
- hostprogs-y := tools/build
-
- HOSTCFLAGS_build.o := $(LINUXINCLUDE)
-
- # ---------------------------------------------------------------------------
-
-+# How to compile the 16-bit code. Note we always compile for -march=i386,
-+# that way we can complain to the user if the CPU is insufficient.
-+cflags-i386 :=
-+cflags-x86_64 := -m32
-+CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
-+ $(cflags-$(ARCH)) \
-+ -Wall -Wstrict-prototypes \
-+ -march=i386 -mregparm=3 \
-+ -include $(srctree)/$(src)/code16gcc.h \
-+ -fno-strict-aliasing -fomit-frame-pointer \
-+ $(call cc-option, -ffreestanding) \
-+ $(call cc-option, -fno-stack-protector)
-+AFLAGS := $(CFLAGS) -D__ASSEMBLY__
-+
- $(obj)/zImage: IMAGE_OFFSET := 0x1000
- $(obj)/zImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK)
- $(obj)/bzImage: IMAGE_OFFSET := 0x100000
-+$(obj)/bzImage: EXTRA_CFLAGS := -D__BIG_KERNEL__
- $(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
- $(obj)/bzImage: BUILDFLAGS := -b
-
- quiet_cmd_image = BUILD $@
--cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
-+cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/setup.bin \
- $(obj)/vmlinux.bin $(ROOT_DEV) > $@
-
--$(obj)/zImage $(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
-+$(obj)/zImage $(obj)/bzImage: $(obj)/setup.bin \
- $(obj)/vmlinux.bin $(obj)/tools/build FORCE
- $(call if_changed,image)
- @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
-@@ -53,12 +79,17 @@
- $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
- $(call if_changed,objcopy)
-
--LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
--LDFLAGS_setup := -Ttext 0x0 -s --oformat binary -e begtext
-+SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))
-
--$(obj)/setup $(obj)/bootsect: %: %.o FORCE
-+LDFLAGS_setup.elf := -T
-+$(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
- $(call if_changed,ld)
-
-+OBJCOPYFLAGS_setup.bin := -O binary
-+
-+$(obj)/setup.bin: $(obj)/setup.elf FORCE
-+ $(call if_changed,objcopy)
-+
- $(obj)/compressed/vmlinux: FORCE
- $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
-
---- /dev/null
-+++ b/arch/i386/boot/a20.c
-@@ -0,0 +1,161 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/a20.c
-+ *
-+ * Enable A20 gate (return -1 on failure)
-+ */
-+
-+#include "boot.h"
-+
-+#define MAX_8042_LOOPS 100000
-+
-+static int empty_8042(void)
-+{
-+ u8 status;
-+ int loops = MAX_8042_LOOPS;
-+
-+ while (loops--) {
-+ io_delay();
-+
-+ status = inb(0x64);
-+ if (status & 1) {
-+ /* Read and discard input data */
-+ io_delay();
-+ (void)inb(0x60);
-+ } else if (!(status & 2)) {
-+ /* Buffers empty, finished! */
-+ return 0;
-+ }
-+ }
-+
-+ return -1;
-+}
-+
-+/* Returns nonzero if the A20 line is enabled. The memory address
-+ used as a test is the int $0x80 vector, which should be safe. */
-+
-+#define A20_TEST_ADDR (4*0x80)
-+#define A20_TEST_SHORT 32
-+#define A20_TEST_LONG 2097152 /* 2^21 */
-+
-+static int a20_test(int loops)
-+{
-+ int ok = 0;
-+ int saved, ctr;
-+
-+ set_fs(0x0000);
-+ set_gs(0xffff);
-+
-+ saved = ctr = rdfs32(A20_TEST_ADDR);
-+
-+ while (loops--) {
-+ wrfs32(++ctr, A20_TEST_ADDR);
-+ io_delay(); /* Serialize and make delay constant */
-+ ok = rdgs32(A20_TEST_ADDR+0x10) ^ ctr;
-+ if (ok)
-+ break;
-+ }
-+
-+ wrfs32(saved, A20_TEST_ADDR);
-+ return ok;
-+}
-+
-+/* Quick test to see if A20 is already enabled */
-+static int a20_test_short(void)
-+{
-+ return a20_test(A20_TEST_SHORT);
-+}
-+
-+/* Longer test that actually waits for A20 to come on line; this
-+ is useful when dealing with the KBC or other slow external circuitry. */
-+static int a20_test_long(void)
-+{
-+ return a20_test(A20_TEST_LONG);
-+}
-+
-+static void enable_a20_bios(void)
-+{
-+ asm volatile("pushfl; int $0x15; popfl"
-+ : : "a" ((u16)0x2401));
-+}
-+
-+static void enable_a20_kbc(void)
-+{
-+ empty_8042();
-+
-+ outb(0xd1, 0x64); /* Command write */
-+ empty_8042();
-+
-+ outb(0xdf, 0x60); /* A20 on */
-+ empty_8042();
-+}
-+
-+static void enable_a20_fast(void)
-+{
-+ u8 port_a;
-+
-+ port_a = inb(0x92); /* Configuration port A */
-+ port_a |= 0x02; /* Enable A20 */
-+ port_a &= ~0x01; /* Do not reset machine */
-+ outb(port_a, 0x92);
-+}
-+
-+/*
-+ * Actual routine to enable A20; return 0 on ok, -1 on failure
-+ */
-+
-+#define A20_ENABLE_LOOPS 255 /* Number of times to try */
-+
-+int enable_a20(void)
-+{
-+ int loops = A20_ENABLE_LOOPS;
-+
-+#if defined(CONFIG_X86_ELAN)
-+ /* Elan croaks if we try to touch the KBC */
-+ enable_a20_fast();
-+ while (!a20_test_long())
-+ ;
-+ return 0;
-+#elif defined(CONFIG_X86_VOYAGER)
-+ /* On Voyager, a20_test() is unsafe? */
-+ enable_a20_kbc();
-+ return 0;
-+#else
-+ while (loops--) {
-+ /* First, check to see if A20 is already enabled
-+ (legacy free, etc.) */
-+ if (a20_test_short())
-+ return 0;
-+
-+ /* Next, try the BIOS (INT 0x15, AX=0x2401) */
-+ enable_a20_bios();
-+ if (a20_test_short())
-+ return 0;
-+
-+ /* Try enabling A20 through the keyboard controller */
-+ empty_8042();
-+ if (a20_test_short())
-+ return 0; /* BIOS worked, but with delayed reaction */
-+
-+ enable_a20_kbc();
-+ if (a20_test_long())
-+ return 0;
-+
-+ /* Finally, try enabling the "fast A20 gate" */
-+ enable_a20_fast();
-+ if (a20_test_long())
-+ return 0;
-+ }
-+
-+ return -1;
-+#endif
-+}
---- /dev/null
-+++ b/arch/i386/boot/apm.c
-@@ -0,0 +1,97 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * Original APM BIOS checking by Stephen Rothwell, May 1994
-+ * (sfr@canb.auug.org.au)
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/apm.c
-+ *
-+ * Get APM BIOS information
-+ */
-+
-+#include "boot.h"
-+
-+#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE)
-+
-+int query_apm_bios(void)
-+{
-+ u16 ax, bx, cx, dx, di;
-+ u32 ebx, esi;
-+ u8 err;
-+
-+ /* APM BIOS installation check */
-+ ax = 0x5300;
-+ bx = cx = 0;
-+ asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp ; setc %0"
-+ : "=d" (err), "+a" (ax), "+b" (bx), "+c" (cx)
-+ : : "esi", "edi");
-+
-+ if (err)
-+ return -1; /* No APM BIOS */
-+
-+ if (bx != 0x504d) /* "PM" signature */
-+ return -1;
-+
-+ if (cx & 0x02) /* 32 bits supported? */
-+ return -1;
-+
-+ /* Disconnect first, just in case */
-+ ax = 0x5304;
-+ asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp"
-+ : "+a" (ax)
-+ : : "ebx", "ecx", "edx", "esi", "edi");
-+
-+ /* Paranoia */
-+ ebx = esi = 0;
-+ cx = dx = di = 0;
-+
-+ /* 32-bit connect */
-+ asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp ; setc %6"
-+ : "=a" (ax), "+b" (ebx), "+c" (cx), "+d" (dx),
-+ "+S" (esi), "+D" (di), "=m" (err)
-+ : "a" (0x5303));
-+
-+ boot_params.apm_bios_info.cseg = ax;
-+ boot_params.apm_bios_info.offset = ebx;
-+ boot_params.apm_bios_info.cseg_16 = cx;
-+ boot_params.apm_bios_info.dseg = dx;
-+ boot_params.apm_bios_info.cseg_len = (u16)esi;
-+ boot_params.apm_bios_info.cseg_16_len = esi >> 16;
-+ boot_params.apm_bios_info.dseg_len = di;
-+
-+ if (err)
-+ return -1;
-+
-+ /* Redo the installation check as the 32-bit connect;
-+ some BIOSes return different flags this way... */
-+
-+ ax = 0x5300;
-+ bx = cx = 0;
-+ asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp ; setc %0"
-+ : "=d" (err), "+a" (ax), "+b" (bx), "+c" (cx)
-+ : : "esi", "edi");
-+
-+ if (err || bx != 0x504d) {
-+ /* Failure with 32-bit connect, try to disconect and ignore */
-+ ax = 0x5304;
-+ bx = 0;
-+ asm volatile("pushl %%ebp ; int $0x15 ; popl %%ebp"
-+ : "+a" (ax), "+b" (bx)
-+ : : "ecx", "edx", "esi", "edi");
-+ return -1;
-+ }
-+
-+ boot_params.apm_bios_info.version = ax;
-+ boot_params.apm_bios_info.flags = cx;
-+ return 0;
-+}
-+
-+#endif
---- /dev/null
-+++ b/arch/i386/boot/bitops.h
-@@ -0,0 +1,45 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/bitops.h
-+ *
-+ * Very simple bitops for the boot code.
-+ */
-+
-+#ifndef BOOT_BITOPS_H
-+#define BOOT_BITOPS_H
-+#define _LINUX_BITOPS_H /* Inhibit inclusion of <linux/bitops.h> */
-+
-+static inline int constant_test_bit(int nr, const void *addr)
-+{
-+ const u32 *p = (const u32 *)addr;
-+ return ((1UL << (nr & 31)) & (p[nr >> 5])) != 0;
-+}
-+static inline int variable_test_bit(int nr, const void *addr)
-+{
-+ u8 v;
-+ const u32 *p = (const u32 *)addr;
-+
-+ asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr));
-+ return v;
-+}
-+
-+#define test_bit(nr,addr) \
-+(__builtin_constant_p(nr) ? \
-+ constant_test_bit((nr),(addr)) : \
-+ variable_test_bit((nr),(addr)))
-+
-+static inline void set_bit(int nr, void *addr)
-+{
-+ asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr));
-+}
-+
-+#endif /* BOOT_BITOPS_H */
---- /dev/null
-+++ b/arch/i386/boot/boot.h
-@@ -0,0 +1,290 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/boot.h
-+ *
-+ * Header file for the real-mode kernel code
-+ */
-+
-+#ifndef BOOT_BOOT_H
-+#define BOOT_BOOT_H
-+
-+#ifndef __ASSEMBLY__
-+
-+#include <stdarg.h>
-+#include <linux/types.h>
-+#include <linux/edd.h>
-+#include <asm/boot.h>
-+#include <asm/bootparam.h>
-+
-+/* Useful macros */
-+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
-+
-+extern struct setup_header hdr;
-+extern struct boot_params boot_params;
-+
-+/* Basic port I/O */
-+static inline void outb(u8 v, u16 port)
-+{
-+ asm volatile("outb %0,%1" : : "a" (v), "dN" (port));
-+}
-+static inline u8 inb(u16 port)
-+{
-+ u8 v;
-+ asm volatile("inb %1,%0" : "=a" (v) : "dN" (port));
-+ return v;
-+}
-+
-+static inline void outw(u16 v, u16 port)
-+{
-+ asm volatile("outw %0,%1" : : "a" (v), "dN" (port));
-+}
-+static inline u16 inw(u16 port)
-+{
-+ u16 v;
-+ asm volatile("inw %1,%0" : "=a" (v) : "dN" (port));
-+ return v;
-+}
-+
-+static inline void outl(u32 v, u16 port)
-+{
-+ asm volatile("outl %0,%1" : : "a" (v), "dn" (port));
-+}
-+static inline u32 inl(u32 port)
-+{
-+ u32 v;
-+ asm volatile("inl %1,%0" : "=a" (v) : "dN" (port));
-+ return v;
-+}
-+
-+static inline void io_delay(void)
-+{
-+ const u16 DELAY_PORT = 0x80;
-+ asm volatile("outb %%al,%0" : : "dN" (DELAY_PORT));
-+}
-+
-+/* These functions are used to reference data in other segments. */
-+
-+static inline u16 ds(void)
-+{
-+ u16 seg;
-+ asm("movw %%ds,%0" : "=rm" (seg));
-+ return seg;
-+}
-+
-+static inline void set_fs(u16 seg)
-+{
-+ asm volatile("movw %0,%%fs" : : "rm" (seg));
-+}
-+static inline u16 fs(void)
-+{
-+ u16 seg;
-+ asm("movw %%fs,%0" : "=rm" (seg));
-+ return seg;
-+}
-+
-+static inline void set_gs(u16 seg)
-+{
-+ asm volatile("movw %0,%%gs" : : "rm" (seg));
-+}
-+static inline u16 gs(void)
-+{
-+ u16 seg;
-+ asm("movw %%gs,%0" : "=rm" (seg));
-+ return seg;
-+}
-+
-+typedef unsigned int addr_t;
-+
-+static inline u8 rdfs8(addr_t addr)
-+{
-+ u8 v;
-+ asm("movb %%fs:%1,%0" : "=r" (v) : "m" (*(u8 *)addr));
-+ return v;
-+}
-+static inline u16 rdfs16(addr_t addr)
-+{
-+ u16 v;
-+ asm("movw %%fs:%1,%0" : "=r" (v) : "m" (*(u16 *)addr));
-+ return v;
-+}
-+static inline u32 rdfs32(addr_t addr)
-+{
-+ u32 v;
-+ asm("movl %%fs:%1,%0" : "=r" (v) : "m" (*(u32 *)addr));
-+ return v;
-+}
-+
-+static inline void wrfs8(u8 v, addr_t addr)
-+{
-+ asm volatile("movb %1,%%fs:%0" : "+m" (*(u8 *)addr) : "r" (v));
-+}
-+static inline void wrfs16(u16 v, addr_t addr)
-+{
-+ asm volatile("movw %1,%%fs:%0" : "+m" (*(u16 *)addr) : "r" (v));
-+}
-+static inline void wrfs32(u32 v, addr_t addr)
-+{
-+ asm volatile("movl %1,%%fs:%0" : "+m" (*(u32 *)addr) : "r" (v));
-+}
-+
-+static inline u8 rdgs8(addr_t addr)
-+{
-+ u8 v;
-+ asm("movb %%gs:%1,%0" : "=r" (v) : "m" (*(u8 *)addr));
-+ return v;
-+}
-+static inline u16 rdgs16(addr_t addr)
-+{
-+ u16 v;
-+ asm("movw %%gs:%1,%0" : "=r" (v) : "m" (*(u16 *)addr));
-+ return v;
-+}
-+static inline u32 rdgs32(addr_t addr)
-+{
-+ u32 v;
-+ asm("movl %%gs:%1,%0" : "=r" (v) : "m" (*(u32 *)addr));
-+ return v;
-+}
-+
-+static inline void wrgs8(u8 v, addr_t addr)
-+{
-+ asm volatile("movb %1,%%gs:%0" : "+m" (*(u8 *)addr) : "r" (v));
-+}
-+static inline void wrgs16(u16 v, addr_t addr)
-+{
-+ asm volatile("movw %1,%%gs:%0" : "+m" (*(u16 *)addr) : "r" (v));
-+}
-+static inline void wrgs32(u32 v, addr_t addr)
-+{
-+ asm volatile("movl %1,%%gs:%0" : "+m" (*(u32 *)addr) : "r" (v));
-+}
-+
-+/* Note: these only return true/false, not a signed return value! */
-+static inline int memcmp(const void *s1, const void *s2, size_t len)
-+{
-+ u8 diff;
-+ asm("repe; cmpsb; setnz %0"
-+ : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
-+ return diff;
-+}
-+
-+static inline int memcmp_fs(const void *s1, addr_t s2, size_t len)
-+{
-+ u8 diff;
-+ asm("fs; repe; cmpsb; setnz %0"
-+ : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
-+ return diff;
-+}
-+static inline int memcmp_gs(const void *s1, addr_t s2, size_t len)
-+{
-+ u8 diff;
-+ asm("gs; repe; cmpsb; setnz %0"
-+ : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
-+ return diff;
-+}
-+
-+/* Heap -- available for dynamic lists. */
-+#define STACK_SIZE 512 /* Minimum number of bytes for stack */
-+
-+extern char _end[];
-+extern char *HEAP;
-+extern char *heap_end;
-+#define RESET_HEAP() ((void *)( HEAP = _end ))
-+static inline char *__get_heap(size_t s, size_t a, size_t n)
-+{
-+ char *tmp;
-+
-+ HEAP = (char *)(((size_t)HEAP+(a-1)) & ~(a-1));
-+ tmp = HEAP;
-+ HEAP += s*n;
-+ return tmp;
-+}
-+#define GET_HEAP(type, n) \
-+ ((type *)__get_heap(sizeof(type),__alignof__(type),(n)))
-+
-+static inline int heap_free(void)
-+{
-+ return heap_end-HEAP;
-+}
-+
-+/* copy.S */
-+
-+void copy_to_fs(addr_t dst, void *src, size_t len);
-+void *copy_from_fs(void *dst, addr_t src, size_t len);
-+void copy_to_gs(addr_t dst, void *src, size_t len);
-+void *copy_from_gs(void *dst, addr_t src, size_t len);
-+void *memcpy(void *dst, void *src, size_t len);
-+void *memset(void *dst, int c, size_t len);
-+
-+#define memcpy(d,s,l) __builtin_memcpy(d,s,l)
-+#define memset(d,c,l) __builtin_memset(d,c,l)
-+
-+/* a20.c */
-+int enable_a20(void);
-+
-+/* apm.c */
-+int query_apm_bios(void);
-+
-+/* cmdline.c */
-+int cmdline_find_option(const char *option, char *buffer, int bufsize);
-+
-+/* cpu.c, cpucheck.c */
-+int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr);
-+int validate_cpu(void);
-+
-+/* edd.c */
-+void query_edd(void);
-+
-+/* header.S */
-+void __attribute__((noreturn)) die(void);
-+
-+/* mca.c */
-+int query_mca(void);
-+
-+/* memory.c */
-+int detect_memory(void);
-+
-+/* pm.c */
-+void __attribute__((noreturn)) go_to_protected_mode(void);
-+
-+/* pmjump.S */
-+void __attribute__((noreturn))
-+ protected_mode_jump(u32 entrypoint, u32 bootparams);
-+
-+/* printf.c */
-+unsigned int atou(const char *s);
-+int sprintf(char *buf, const char *fmt, ...);
-+int vsprintf(char *buf, const char *fmt, va_list args);
-+int printf(const char *fmt, ...);
-+
-+/* string.c */
-+int strcmp(const char *str1, const char *str2);
-+
-+/* tty.c */
-+void puts(const char *);
-+void putchar(int);
-+int getchar(void);
-+void kbd_flush(void);
-+int getchar_timeout(void);
-+
-+/* video.c */
-+void set_video(void);
-+
-+/* video-vesa.c */
-+void vesa_store_edid(void);
-+
-+/* voyager.c */
-+int query_voyager(void);
-+
-+#endif /* __ASSEMBLY__ */
-+
-+#endif /* BOOT_BOOT_H */
---- a/arch/i386/boot/bootsect.S
-+++ /dev/null
-@@ -1,98 +0,0 @@
--/*
-- * bootsect.S Copyright (C) 1991, 1992 Linus Torvalds
-- *
-- * modified by Drew Eckhardt
-- * modified by Bruce Evans (bde)
-- * modified by Chris Noe (May 1999) (as86 -> gas)
-- * gutted by H. Peter Anvin (Jan 2003)
-- *
-- * BIG FAT NOTE: We're in real mode using 64k segments. Therefore segment
-- * addresses must be multiplied by 16 to obtain their respective linear
-- * addresses. To avoid confusion, linear addresses are written using leading
-- * hex while segment addresses are written as segment:offset.
-- *
-- */
--
--#include <asm/boot.h>
--
--SETUPSECTS = 4 /* default nr of setup-sectors */
--BOOTSEG = 0x07C0 /* original address of boot-sector */
--INITSEG = DEF_INITSEG /* we move boot here - out of the way */
--SETUPSEG = DEF_SETUPSEG /* setup starts here */
--SYSSEG = DEF_SYSSEG /* system loaded at 0x10000 (65536) */
--SYSSIZE = DEF_SYSSIZE /* system size: # of 16-byte clicks */
-- /* to be loaded */
--ROOT_DEV = 0 /* ROOT_DEV is now written by "build" */
--SWAP_DEV = 0 /* SWAP_DEV is now written by "build" */
--
--#ifndef SVGA_MODE
--#define SVGA_MODE ASK_VGA
--#endif
--
--#ifndef RAMDISK
--#define RAMDISK 0
--#endif
--
--#ifndef ROOT_RDONLY
--#define ROOT_RDONLY 1
--#endif
--
--.code16
--.text
--
--.global _start
--_start:
--
-- # Normalize the start address
-- jmpl $BOOTSEG, $start2
--
--start2:
-- movw %cs, %ax
-- movw %ax, %ds
-- movw %ax, %es
-- movw %ax, %ss
-- movw $0x7c00, %sp
-- sti
-- cld
--
-- movw $bugger_off_msg, %si
--
--msg_loop:
-- lodsb
-- andb %al, %al
-- jz die
-- movb $0xe, %ah
-- movw $7, %bx
-- int $0x10
-- jmp msg_loop
--
--die:
-- # Allow the user to press a key, then reboot
-- xorw %ax, %ax
-- int $0x16
-- int $0x19
--
-- # int 0x19 should never return. In case it does anyway,
-- # invoke the BIOS reset code...
-- ljmp $0xf000,$0xfff0
--
--
--bugger_off_msg:
-- .ascii "Direct booting from floppy is no longer supported.\r\n"
-- .ascii "Please use a boot loader program instead.\r\n"
-- .ascii "\n"
-- .ascii "Remove disk and press any key to reboot . . .\r\n"
-- .byte 0
--
--
-- # Kernel attributes; used by setup
--
-- .org 497
--setup_sects: .byte SETUPSECTS
--root_flags: .word ROOT_RDONLY
--syssize: .word SYSSIZE
--swap_dev: .word SWAP_DEV
--ram_size: .word RAMDISK
--vid_mode: .word SVGA_MODE
--root_dev: .word ROOT_DEV
--boot_flag: .word 0xAA55
---- /dev/null
-+++ b/arch/i386/boot/cmdline.c
-@@ -0,0 +1,97 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/cmdline.c
-+ *
-+ * Simple command-line parser for early boot.
-+ */
-+
-+#include "boot.h"
-+
-+static inline int myisspace(u8 c)
-+{
-+ return c <= ' '; /* Close enough approximation */
-+}
-+
-+/*
-+ * Find a non-boolean option, that is, "option=argument". In accordance
-+ * with standard Linux practice, if this option is repeated, this returns
-+ * the last instance on the command line.
-+ *
-+ * Returns the length of the argument (regardless of if it was
-+ * truncated to fit in the buffer), or -1 on not found.
-+ */
-+int cmdline_find_option(const char *option, char *buffer, int bufsize)
-+{
-+ u32 cmdline_ptr = boot_params.hdr.cmd_line_ptr;
-+ addr_t cptr;
-+ char c;
-+ int len = -1;
-+ const char *opptr = NULL;
-+ char *bufptr = buffer;
-+ enum {
-+ st_wordstart, /* Start of word/after whitespace */
-+ st_wordcmp, /* Comparing this word */
-+ st_wordskip, /* Miscompare, skip */
-+ st_bufcpy /* Copying this to buffer */
-+ } state = st_wordstart;
-+
-+ if (!cmdline_ptr || cmdline_ptr >= 0x100000)
-+ return -1; /* No command line, or inaccessible */
-+
-+ cptr = cmdline_ptr & 0xf;
-+ set_fs(cmdline_ptr >> 4);
-+
-+ while (cptr < 0x10000 && (c = rdfs8(cptr++))) {
-+ switch (state) {
-+ case st_wordstart:
-+ if (myisspace(c))
-+ break;
-+
-+ /* else */
-+ state = st_wordcmp;
-+ opptr = option;
-+ /* fall through */
-+
-+ case st_wordcmp:
-+ if (c == '=' && !*opptr) {
-+ len = 0;
-+ bufptr = buffer;
-+ state = st_bufcpy;
-+ } else if (myisspace(c)) {
-+ state = st_wordstart;
-+ } else if (c != *opptr++) {
-+ state = st_wordskip;
-+ }
-+ break;
-+
-+ case st_wordskip:
-+ if (myisspace(c))
-+ state = st_wordstart;
-+ break;
-+
-+ case st_bufcpy:
-+ if (myisspace(c)) {
-+ state = st_wordstart;
-+ } else {
-+ if (len < bufsize-1)
-+ *bufptr++ = c;
-+ len++;
-+ }
-+ break;
-+ }
-+ }
-+
-+ if (bufsize)
-+ *bufptr = '\0';
-+
-+ return len;
-+}
---- /dev/null
-+++ b/arch/i386/boot/code16gcc.h
-@@ -0,0 +1,9 @@
-+/*
-+ * code16gcc.h
-+ *
-+ * This file is -include'd when compiling 16-bit C code.
-+ */
-+
-+#ifndef __ASSEMBLY__
-+asm(".code16gcc");
-+#endif
---- a/arch/i386/boot/compressed/Makefile
-+++ b/arch/i386/boot/compressed/Makefile
-@@ -9,9 +9,14 @@
- EXTRA_AFLAGS := -traditional
-
- LDFLAGS_vmlinux := -T
--CFLAGS_misc.o += -fPIC
- hostprogs-y := relocs
-
-+CFLAGS := -m32 -D__KERNEL__ $(LINUX_INCLUDE) -O2 \
-+ -fno-strict-aliasing -fPIC \
-+ $(call cc-option,-ffreestanding) \
-+ $(call cc-option,-fno-stack-protector)
-+LDFLAGS := -m elf_i386
-+
- $(obj)/vmlinux: $(src)/vmlinux.lds $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
- $(call if_changed,ld)
- @:
---- a/arch/i386/boot/compressed/head.S
-+++ b/arch/i386/boot/compressed/head.S
-@@ -45,10 +45,10 @@
- * at and where we were actually loaded at. This can only be done
- * with a short local call on x86. Nothing else will tell us what
- * address we are running at. The reserved chunk of the real-mode
-- * data at 0x34-0x3f are used as the stack for this calculation.
-- * Only 4 bytes are needed.
-+ * data at 0x1e4 (defined as a scratch field) are used as the stack
-+ * for this calculation. Only 4 bytes are needed.
- */
-- leal 0x40(%esi), %esp
-+ leal (0x1e4+4)(%esi), %esp
- call 1f
- 1: popl %ebp
- subl $1b, %ebp
---- a/arch/i386/boot/compressed/misc.c
-+++ b/arch/i386/boot/compressed/misc.c
-@@ -11,7 +11,6 @@
-
- #undef CONFIG_PARAVIRT
- #include <linux/linkage.h>
--#include <linux/vmalloc.h>
- #include <linux/screen_info.h>
- #include <asm/io.h>
- #include <asm/page.h>
-@@ -364,8 +363,10 @@
-
- if ((u32)output & (CONFIG_PHYSICAL_ALIGN -1))
- error("Destination address not CONFIG_PHYSICAL_ALIGN aligned");
-+#ifndef CONFIG_X86_64
- if (end > ((-__PAGE_OFFSET-(512 <<20)-1) & 0x7fffffff))
- error("Destination address too large");
-+#endif
- #ifndef CONFIG_RELOCATABLE
- if ((u32)output != LOAD_PHYSICAL_ADDR)
- error("Wrong destination address");
---- /dev/null
-+++ b/arch/i386/boot/copy.S
-@@ -0,0 +1,101 @@
-+/* ----------------------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/copy.S
-+ *
-+ * Memory copy routines
-+ */
-+
-+ .code16gcc
-+ .text
-+
-+ .globl memcpy
-+ .type memcpy, @function
-+memcpy:
-+ pushw %si
-+ pushw %di
-+ movw %ax, %di
-+ movw %dx, %si
-+ pushw %cx
-+ shrw $2, %cx
-+ rep; movsl
-+ popw %cx
-+ andw $3, %cx
-+ rep; movsb
-+ popw %di
-+ popw %si
-+ ret
-+ .size memcpy, .-memcpy
-+
-+ .globl memset
-+ .type memset, @function
-+memset:
-+ pushw %di
-+ movw %ax, %di
-+ movzbl %dl, %eax
-+ imull $0x01010101,%eax
-+ pushw %cx
-+ shrw $2, %cx
-+ rep; stosl
-+ popw %cx
-+ andw $3, %cx
-+ rep; stosb
-+ popw %di
-+ ret
-+ .size memset, .-memset
-+
-+ .globl copy_from_fs
-+ .type copy_from_fs, @function
-+copy_from_fs:
-+ pushw %ds
-+ pushw %fs
-+ popw %ds
-+ call memcpy
-+ popw %ds
-+ ret
-+ .size copy_from_fs, .-copy_from_fs
-+
-+ .globl copy_to_fs
-+ .type copy_to_fs, @function
-+copy_to_fs:
-+ pushw %es
-+ pushw %fs
-+ popw %es
-+ call memcpy
-+ popw %es
-+ ret
-+ .size copy_to_fs, .-copy_to_fs
-+
-+#if 0 /* Not currently used, but can be enabled as needed */
-+
-+ .globl copy_from_gs
-+ .type copy_from_gs, @function
-+copy_from_gs:
-+ pushw %ds
-+ pushw %gs
-+ popw %ds
-+ call memcpy
-+ popw %ds
-+ ret
-+ .size copy_from_gs, .-copy_from_gs
-+ .globl copy_to_gs
-+
-+ .type copy_to_gs, @function
-+copy_to_gs:
-+ pushw %es
-+ pushw %gs
-+ popw %es
-+ call memcpy
-+ popw %es
-+ ret
-+ .size copy_to_gs, .-copy_to_gs
-+
-+#endif
---- /dev/null
-+++ b/arch/i386/boot/cpu.c
-@@ -0,0 +1,69 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/cpucheck.c
-+ *
-+ * Check for obligatory CPU features and abort if the features are not
-+ * present.
-+ */
-+
-+#include "boot.h"
-+#include "bitops.h"
-+#include <asm/cpufeature.h>
-+
-+static char *cpu_name(int level)
-+{
-+ static char buf[6];
-+
-+ if (level == 64) {
-+ return "x86-64";
-+ } else {
-+ sprintf(buf, "i%d86", level);
-+ return buf;
-+ }
-+}
-+
-+int validate_cpu(void)
-+{
-+ u32 *err_flags;
-+ int cpu_level, req_level;
-+
-+ check_cpu(&cpu_level, &req_level, &err_flags);
-+
-+ if (cpu_level < req_level) {
-+ printf("This kernel requires an %s CPU, ",
-+ cpu_name(req_level));
-+ printf("but only detected an %s CPU.\n",
-+ cpu_name(cpu_level));
-+ return -1;
-+ }
-+
-+ if (err_flags) {
-+ int i, j;
-+ puts("This kernel requires the following features "
-+ "not present on the CPU:\n");
-+
-+ for (i = 0; i < NCAPINTS; i++) {
-+ u32 e = err_flags[i];
-+
-+ for (j = 0; j < 32; j++) {
-+ if (e & 1)
-+ printf("%d:%d ", i, j);
-+
-+ e >>= 1;
-+ }
-+ }
-+ putchar('\n');
-+ return -1;
-+ } else {
-+ return 0;
-+ }
-+}
---- /dev/null
-+++ b/arch/i386/boot/cpucheck.c
-@@ -0,0 +1,266 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/cpu.c
-+ *
-+ * Check for obligatory CPU features and abort if the features are not
-+ * present. This code should be compilable as 16-, 32- or 64-bit
-+ * code, so be very careful with types and inline assembly.
-+ *
-+ * This code should not contain any messages; that requires an
-+ * additional wrapper.
-+ *
-+ * As written, this code is not safe for inclusion into the kernel
-+ * proper (after FPU initialization, in particular).
-+ */
-+
-+#ifdef _SETUP
-+# include "boot.h"
-+# include "bitops.h"
-+#endif
-+#include <linux/types.h>
-+#include <asm/cpufeature.h>
-+#include <asm/processor-flags.h>
-+#include <asm/required-features.h>
-+#include <asm/msr-index.h>
-+
-+struct cpu_features {
-+ int level;
-+ int model;
-+ u32 flags[NCAPINTS];
-+};
-+
-+static struct cpu_features cpu;
-+static u32 cpu_vendor[3];
-+static u32 err_flags[NCAPINTS];
-+
-+#ifdef CONFIG_X86_64
-+static const int req_level = 64;
-+#elif defined(CONFIG_X86_MINIMUM_CPU_MODEL)
-+static const int req_level = CONFIG_X86_MINIMUM_CPU_MODEL;
-+#else
-+static const int req_level = 3;
-+#endif
-+
-+static const u32 req_flags[NCAPINTS] =
-+{
-+ REQUIRED_MASK0,
-+ REQUIRED_MASK1,
-+ REQUIRED_MASK2,
-+ REQUIRED_MASK3,
-+ REQUIRED_MASK4,
-+ REQUIRED_MASK5,
-+ REQUIRED_MASK6,
-+};
-+
-+#define A32(a,b,c,d) (((d) << 24)+((c) << 16)+((b) << 8)+(a))
-+
-+static int is_amd(void)
-+{
-+ return cpu_vendor[0] == A32('A','u','t','h') &&
-+ cpu_vendor[1] == A32('e','n','t','i') &&
-+ cpu_vendor[2] == A32('c','A','M','D');
-+}
-+
-+static int is_centaur(void)
-+{
-+ return cpu_vendor[0] == A32('C','e','n','t') &&
-+ cpu_vendor[1] == A32('a','u','r','H') &&
-+ cpu_vendor[2] == A32('a','u','l','s');
-+}
-+
-+static int is_transmeta(void)
-+{
-+ return cpu_vendor[0] == A32('G','e','n','u') &&
-+ cpu_vendor[1] == A32('i','n','e','T') &&
-+ cpu_vendor[2] == A32('M','x','8','6');
-+}
-+
-+static int has_fpu(void)
-+{
-+ u16 fcw = -1, fsw = -1;
-+ u32 cr0;
-+
-+ asm("movl %%cr0,%0" : "=r" (cr0));
-+ if (cr0 & (X86_CR0_EM|X86_CR0_TS)) {
-+ cr0 &= ~(X86_CR0_EM|X86_CR0_TS);
-+ asm volatile("movl %0,%%cr0" : : "r" (cr0));
-+ }
-+
-+ asm("fninit ; fnstsw %0 ; fnstcw %1" : "+m" (fsw), "+m" (fcw));
-+
-+ return fsw == 0 && (fcw & 0x103f) == 0x003f;
-+}
-+
-+static int has_eflag(u32 mask)
-+{
-+ u32 f0, f1;
-+
-+ asm("pushfl ; "
-+ "pushfl ; "
-+ "popl %0 ; "
-+ "movl %0,%1 ; "
-+ "xorl %2,%1 ; "
-+ "pushl %1 ; "
-+ "popfl ; "
-+ "pushfl ; "
-+ "popl %1 ; "
-+ "popfl"
-+ : "=r" (f0), "=r" (f1)
-+ : "g" (mask));
-+
-+ return !!((f0^f1) & mask);
-+}
-+
-+static void get_flags(void)
-+{
-+ u32 max_intel_level, max_amd_level;
-+ u32 tfms;
-+
-+ if (has_fpu())
-+ set_bit(X86_FEATURE_FPU, cpu.flags);
-+
-+ if (has_eflag(X86_EFLAGS_ID)) {
-+ asm("cpuid"
-+ : "=a" (max_intel_level),
-+ "=b" (cpu_vendor[0]),
-+ "=d" (cpu_vendor[1]),
-+ "=c" (cpu_vendor[2])
-+ : "a" (0));
-+
-+ if (max_intel_level >= 0x00000001 &&
-+ max_intel_level <= 0x0000ffff) {
-+ asm("cpuid"
-+ : "=a" (tfms),
-+ "=c" (cpu.flags[4]),
-+ "=d" (cpu.flags[0])
-+ : "a" (0x00000001)
-+ : "ebx");
-+ cpu.level = (tfms >> 8) & 15;
-+ cpu.model = (tfms >> 4) & 15;
-+ if (cpu.level >= 6)
-+ cpu.model += ((tfms >> 16) & 0xf) << 4;
-+ }
-+
-+ asm("cpuid"
-+ : "=a" (max_amd_level)
-+ : "a" (0x80000000)
-+ : "ebx", "ecx", "edx");
-+
-+ if (max_amd_level >= 0x80000001 &&
-+ max_amd_level <= 0x8000ffff) {
-+ u32 eax = 0x80000001;
-+ asm("cpuid"
-+ : "+a" (eax),
-+ "=c" (cpu.flags[6]),
-+ "=d" (cpu.flags[1])
-+ : : "ebx");
-+ }
-+ }
-+}
-+
-+/* Returns a bitmask of which words we have error bits in */
-+static int check_flags(void)
-+{
-+ u32 err;
-+ int i;
-+
-+ err = 0;
-+ for (i = 0; i < NCAPINTS; i++) {
-+ err_flags[i] = req_flags[i] & ~cpu.flags[i];
-+ if (err_flags[i])
-+ err |= 1 << i;
-+ }
-+
-+ return err;
-+}
-+
-+/*
-+ * Returns -1 on error.
-+ *
-+ * *cpu_level is set to the current CPU level; *req_level to the required
-+ * level. x86-64 is considered level 64 for this purpose.
-+ *
-+ * *err_flags_ptr is set to the flags error array if there are flags missing.
-+ */
-+int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
-+{
-+ int err;
-+
-+ memset(&cpu.flags, 0, sizeof cpu.flags);
-+ cpu.level = 3;
-+
-+ if (has_eflag(X86_EFLAGS_AC))
-+ cpu.level = 4;
-+
-+ get_flags();
-+ err = check_flags();
-+
-+ if (test_bit(X86_FEATURE_LM, cpu.flags))
-+ cpu.level = 64;
-+
-+ if (err == 0x01 &&
-+ !(err_flags[0] &
-+ ~((1 << X86_FEATURE_XMM)|(1 << X86_FEATURE_XMM2))) &&
-+ is_amd()) {
-+ /* If this is an AMD and we're only missing SSE+SSE2, try to
-+ turn them on */
-+
-+ u32 ecx = MSR_K7_HWCR;
-+ u32 eax, edx;
-+
-+ asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
-+ eax &= ~(1 << 15);
-+ asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-+
-+ get_flags(); /* Make sure it really did something */
-+ err = check_flags();
-+ } else if (err == 0x01 &&
-+ !(err_flags[0] & ~(1 << X86_FEATURE_CX8)) &&
-+ is_centaur() && cpu.model >= 6) {
-+ /* If this is a VIA C3, we might have to enable CX8
-+ explicitly */
-+
-+ u32 ecx = MSR_VIA_FCR;
-+ u32 eax, edx;
-+
-+ asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
-+ eax |= (1<<1)|(1<<7);
-+ asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-+
-+ set_bit(X86_FEATURE_CX8, cpu.flags);
-+ err = check_flags();
-+ } else if (err == 0x01 && is_transmeta()) {
-+ /* Transmeta might have masked feature bits in word 0 */
-+
-+ u32 ecx = 0x80860004;
-+ u32 eax, edx;
-+ u32 level = 1;
-+
-+ asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx));
-+ asm("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx));
-+ asm("cpuid"
-+ : "+a" (level), "=d" (cpu.flags[0])
-+ : : "ecx", "ebx");
-+ asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx));
-+
-+ err = check_flags();
-+ }
-+
-+ if (err_flags_ptr)
-+ *err_flags_ptr = err ? err_flags : NULL;
-+ if (cpu_level_ptr)
-+ *cpu_level_ptr = cpu.level;
-+ if (req_level_ptr)
-+ *req_level_ptr = req_level;
-+
-+ return (cpu.level < req_level || err) ? -1 : 0;
-+}
---- a/arch/i386/boot/edd.S
-+++ /dev/null
-@@ -1,231 +0,0 @@
--/*
-- * BIOS Enhanced Disk Drive support
-- * Copyright (C) 2002, 2003, 2004 Dell, Inc.
-- * by Matt Domsch <Matt_Domsch@dell.com> October 2002
-- * conformant to T13 Committee www.t13.org
-- * projects 1572D, 1484D, 1386D, 1226DT
-- * disk signature read by Matt Domsch <Matt_Domsch@dell.com>
-- * and Andrew Wilks <Andrew_Wilks@dell.com> September 2003, June 2004
-- * legacy CHS retrieval by Patrick J. LoPresti <patl@users.sourceforge.net>
-- * March 2004
-- * Command line option parsing, Matt Domsch, November 2004
-- */
--
--#include <linux/edd.h>
--#include <asm/setup.h>
--
--#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
--
--# It is assumed that %ds == INITSEG here
--
-- movb $0, (EDD_MBR_SIG_NR_BUF)
-- movb $0, (EDDNR)
--
--# Check the command line for options:
--# edd=of disables EDD completely (edd=off)
--# edd=sk skips the MBR test (edd=skipmbr)
--# edd=on re-enables EDD (edd=on)
--
-- pushl %esi
-- movw $edd_mbr_sig_start, %di # Default to edd=on
--
-- movl %cs:(cmd_line_ptr), %esi
-- andl %esi, %esi
-- jz old_cl # Old boot protocol?
--
--# Convert to a real-mode pointer in fs:si
-- movl %esi, %eax
-- shrl $4, %eax
-- movw %ax, %fs
-- andw $0xf, %si
-- jmp have_cl_pointer
--
--# Old-style boot protocol?
--old_cl:
-- push %ds # aka INITSEG
-- pop %fs
--
-- cmpw $0xa33f, (0x20)
-- jne done_cl # No command line at all?
-- movw (0x22), %si # Pointer relative to INITSEG
--
--# fs:si has the pointer to the command line now
--have_cl_pointer:
--
--# Loop through kernel command line one byte at a time. Just in
--# case the loader is buggy and failed to null-terminate the command line
--# terminate if we get close enough to the end of the segment that we
--# cannot fit "edd=XX"...
--cl_atspace:
-- cmpw $-5, %si # Watch for segment wraparound
-- jae done_cl
-- movl %fs:(%si), %eax
-- andb %al, %al # End of line?
-- jz done_cl
-- cmpl $EDD_CL_EQUALS, %eax
-- jz found_edd_equals
-- cmpb $0x20, %al # <= space consider whitespace
-- ja cl_skipword
-- incw %si
-- jmp cl_atspace
--
--cl_skipword:
-- cmpw $-5, %si # Watch for segment wraparound
-- jae done_cl
-- movb %fs:(%si), %al # End of string?
-- andb %al, %al
-- jz done_cl
-- cmpb $0x20, %al
-- jbe cl_atspace
-- incw %si
-- jmp cl_skipword
--
--found_edd_equals:
--# only looking at first two characters after equals
--# late overrides early on the command line, so keep going after finding something
-- movw %fs:4(%si), %ax
-- cmpw $EDD_CL_OFF, %ax # edd=of
-- je do_edd_off
-- cmpw $EDD_CL_SKIP, %ax # edd=sk
-- je do_edd_skipmbr
-- cmpw $EDD_CL_ON, %ax # edd=on
-- je do_edd_on
-- jmp cl_skipword
--do_edd_skipmbr:
-- movw $edd_start, %di
-- jmp cl_skipword
--do_edd_off:
-- movw $edd_done, %di
-- jmp cl_skipword
--do_edd_on:
-- movw $edd_mbr_sig_start, %di
-- jmp cl_skipword
--
--done_cl:
-- popl %esi
-- jmpw *%di
--
--# Read the first sector of each BIOS disk device and store the 4-byte signature
--edd_mbr_sig_start:
-- movb $0x80, %dl # from device 80
-- movw $EDD_MBR_SIG_BUF, %bx # store buffer ptr in bx
--edd_mbr_sig_read:
-- movl $0xFFFFFFFF, %eax
-- movl %eax, (%bx) # assume failure
-- pushw %bx
-- movb $READ_SECTORS, %ah
-- movb $1, %al # read 1 sector
-- movb $0, %dh # at head 0
-- movw $1, %cx # cylinder 0, sector 0
-- pushw %es
-- pushw %ds
-- popw %es
-- movw $EDDBUF, %bx # disk's data goes into EDDBUF
-- pushw %dx # work around buggy BIOSes
-- stc # work around buggy BIOSes
-- int $0x13
-- sti # work around buggy BIOSes
-- popw %dx
-- popw %es
-- popw %bx
-- jc edd_mbr_sig_done # on failure, we're done.
-- cmpb $0, %ah # some BIOSes do not set CF
-- jne edd_mbr_sig_done # on failure, we're done.
-- movl (EDDBUF+EDD_MBR_SIG_OFFSET), %eax # read sig out of the MBR
-- movl %eax, (%bx) # store success
-- incb (EDD_MBR_SIG_NR_BUF) # note that we stored something
-- incb %dl # increment to next device
-- addw $4, %bx # increment sig buffer ptr
-- cmpb $EDD_MBR_SIG_MAX, (EDD_MBR_SIG_NR_BUF) # Out of space?
-- jb edd_mbr_sig_read # keep looping
--edd_mbr_sig_done:
--
--# Do the BIOS Enhanced Disk Drive calls
--# This consists of two calls:
--# int 13h ah=41h "Check Extensions Present"
--# int 13h ah=48h "Get Device Parameters"
--# int 13h ah=08h "Legacy Get Device Parameters"
--#
--# A buffer of size EDDMAXNR*(EDDEXTSIZE+EDDPARMSIZE) is reserved for our use
--# in the boot_params at EDDBUF. The first four bytes of which are
--# used to store the device number, interface support map and version
--# results from fn41. The next four bytes are used to store the legacy
--# cylinders, heads, and sectors from fn08. The following 74 bytes are used to
--# store the results from fn48. Starting from device 80h, fn41, then fn48
--# are called and their results stored in EDDBUF+n*(EDDEXTSIZE+EDDPARMIZE).
--# Then the pointer is incremented to store the data for the next call.
--# This repeats until either a device doesn't exist, or until EDDMAXNR
--# devices have been stored.
--# The one tricky part is that ds:si always points EDDEXTSIZE bytes into
--# the structure, and the fn41 and fn08 results are stored at offsets
--# from there. This removes the need to increment the pointer for
--# every store, and leaves it ready for the fn48 call.
--# A second one-byte buffer, EDDNR, in the boot_params stores
--# the number of BIOS devices which exist, up to EDDMAXNR.
--# In setup.c, copy_edd() stores both boot_params buffers away
--# for later use, as they would get overwritten otherwise.
--# This code is sensitive to the size of the structs in edd.h
--edd_start:
-- # %ds points to the bootsector
-- # result buffer for fn48
-- movw $EDDBUF+EDDEXTSIZE, %si # in ds:si, fn41 results
-- # kept just before that
-- movb $0x80, %dl # BIOS device 0x80
--
--edd_check_ext:
-- movb $CHECKEXTENSIONSPRESENT, %ah # Function 41
-- movw $EDDMAGIC1, %bx # magic
-- int $0x13 # make the call
-- jc edd_done # no more BIOS devices
--
-- cmpw $EDDMAGIC2, %bx # is magic right?
-- jne edd_next # nope, next...
--
-- movb %dl, %ds:-8(%si) # store device number
-- movb %ah, %ds:-7(%si) # store version
-- movw %cx, %ds:-6(%si) # store extensions
-- incb (EDDNR) # note that we stored something
--
--edd_get_device_params:
-- movw $EDDPARMSIZE, %ds:(%si) # put size
-- movw $0x0, %ds:2(%si) # work around buggy BIOSes
-- movb $GETDEVICEPARAMETERS, %ah # Function 48
-- int $0x13 # make the call
-- # Don't check for fail return
-- # it doesn't matter.
--edd_get_legacy_chs:
-- xorw %ax, %ax
-- movw %ax, %ds:-4(%si)
-- movw %ax, %ds:-2(%si)
-- # Ralf Brown's Interrupt List says to set ES:DI to
-- # 0000h:0000h "to guard against BIOS bugs"
-- pushw %es
-- movw %ax, %es
-- movw %ax, %di
-- pushw %dx # legacy call clobbers %dl
-- movb $LEGACYGETDEVICEPARAMETERS, %ah # Function 08
-- int $0x13 # make the call
-- jc edd_legacy_done # failed
-- movb %cl, %al # Low 6 bits are max
-- andb $0x3F, %al # sector number
-- movb %al, %ds:-1(%si) # Record max sect
-- movb %dh, %ds:-2(%si) # Record max head number
-- movb %ch, %al # Low 8 bits of max cyl
-- shr $6, %cl
-- movb %cl, %ah # High 2 bits of max cyl
-- movw %ax, %ds:-4(%si)
--
--edd_legacy_done:
-- popw %dx
-- popw %es
-- movw %si, %ax # increment si
-- addw $EDDPARMSIZE+EDDEXTSIZE, %ax
-- movw %ax, %si
--
--edd_next:
-- incb %dl # increment to next device
-- cmpb $EDDMAXNR, (EDDNR) # Out of space?
-- jb edd_check_ext # keep looping
--
--edd_done:
--#endif
---- /dev/null
-+++ b/arch/i386/boot/edd.c
-@@ -0,0 +1,196 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/edd.c
-+ *
-+ * Get EDD BIOS disk information
-+ */
-+
-+#include "boot.h"
-+#include <linux/edd.h>
-+
-+#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
-+
-+struct edd_dapa {
-+ u8 pkt_size;
-+ u8 rsvd;
-+ u16 sector_cnt;
-+ u16 buf_off, buf_seg;
-+ u64 lba;
-+ u64 buf_lin_addr;
-+};
-+
-+/*
-+ * Note: this uses the heap to hold the loaded sector.
-+ */
-+static int read_sector(u8 devno, u64 lba, void *buf)
-+{
-+ struct edd_dapa dapa;
-+ u16 ax, bx, cx, dx, si;
-+
-+ memset(&dapa, 0, sizeof dapa);
-+ dapa.pkt_size = sizeof(dapa);
-+ dapa.sector_cnt = 1;
-+ dapa.buf_off = (size_t)buf;
-+ dapa.buf_seg = ds();
-+ dapa.lba = lba;
-+
-+ ax = 0x4200; /* Extended Read */
-+ si = (size_t)&dapa;
-+ dx = devno;
-+ asm("pushfl; stc; int $0x13; setc %%al; popfl"
-+ : "+a" (ax), "+S" (si), "+d" (dx)
-+ : "m" (dapa)
-+ : "ebx", "ecx", "edi", "memory");
-+
-+ if (!(u8)ax)
-+ return 0; /* OK */
-+
-+ ax = 0x0201; /* Legacy Read, one sector */
-+ cx = 0x0001; /* Sector 0-0-1 */
-+ dx = devno;
-+ bx = (size_t)buf;
-+ asm("pushfl; stc; int $0x13; setc %%al; popfl"
-+ : "+a" (ax), "+c" (cx), "+d" (dx), "+b" (bx)
-+ : : "esi", "edi", "memory");
-+
-+ return -(u8)ax; /* 0 or -1 */
-+}
-+
-+static u32 read_mbr_sig(u8 devno, struct edd_info *ei)
-+{
-+ int sector_size;
-+ char *mbrbuf_ptr, *mbrbuf_end;
-+ u32 mbrsig;
-+ u32 buf_base, mbr_base;
-+ extern char _end[];
-+ static char mbr_buf[1024];
-+
-+ sector_size = ei->params.bytes_per_sector;
-+ if (!sector_size)
-+ sector_size = 512; /* Best available guess */
-+
-+ buf_base = (ds() << 4) + (u32)&_end;
-+ mbr_base = (buf_base+sector_size-1) & ~(sector_size-1);
-+ mbrbuf_ptr = mbr_buf + (mbr_base-buf_base);
-+ mbrbuf_end = mbrbuf_ptr + sector_size;
-+
-+ if (!(boot_params.hdr.loadflags & CAN_USE_HEAP))
-+ return 0;
-+ if (mbrbuf_end > (char *)(size_t)boot_params.hdr.heap_end_ptr)
-+ return 0;
-+
-+ if (read_sector(devno, 0, mbrbuf_ptr))
-+ return 0;
-+
-+ mbrsig = *(u32 *)&mbrbuf_ptr[EDD_MBR_SIG_OFFSET];
-+ return mbrsig;
-+}
-+
-+static int get_edd_info(u8 devno, struct edd_info *ei)
-+{
-+ u16 ax, bx, cx, dx, di;
-+
-+ memset(ei, 0, sizeof *ei);
-+
-+ /* Check Extensions Present */
-+
-+ ax = 0x4100;
-+ bx = EDDMAGIC1;
-+ dx = devno;
-+ asm("pushfl; stc; int $0x13; setc %%al; popfl"
-+ : "+a" (ax), "+b" (bx), "=c" (cx), "+d" (dx)
-+ : : "esi", "edi");
-+
-+ if ((u8)ax)
-+ return -1; /* No extended information */
-+
-+ if (bx != EDDMAGIC2)
-+ return -1;
-+
-+ ei->device = devno;
-+ ei->version = ax >> 8; /* EDD version number */
-+ ei->interface_support = cx; /* EDD functionality subsets */
-+
-+ /* Extended Get Device Parameters */
-+
-+ ei->params.length = sizeof(ei->params);
-+ ax = 0x4800;
-+ dx = devno;
-+ asm("pushfl; int $0x13; popfl"
-+ : "+a" (ax), "+d" (dx)
-+ : "S" (&ei->params)
-+ : "ebx", "ecx", "edi");
-+
-+ /* Get legacy CHS parameters */
-+
-+ /* Ralf Brown recommends setting ES:DI to 0:0 */
-+ ax = 0x0800;
-+ dx = devno;
-+ di = 0;
-+ asm("pushw %%es; "
-+ "movw %%di,%%es; "
-+ "pushfl; stc; int $0x13; setc %%al; popfl; "
-+ "popw %%es"
-+ : "+a" (ax), "=b" (bx), "=c" (cx), "+d" (dx), "+D" (di)
-+ : : "esi");
-+
-+ if ((u8)ax == 0) {
-+ ei->legacy_max_cylinder = (cx >> 8) + ((cx & 0xc0) << 2);
-+ ei->legacy_max_head = dx >> 8;
-+ ei->legacy_sectors_per_track = cx & 0x3f;
-+ }
-+
-+ return 0;
-+}
-+
-+void query_edd(void)
-+{
-+ char eddarg[8];
-+ int do_mbr = 1;
-+ int do_edd = 1;
-+ int devno;
-+ struct edd_info ei, *edp;
-+
-+ if (cmdline_find_option("edd", eddarg, sizeof eddarg) > 0) {
-+ if (!strcmp(eddarg, "skipmbr") || !strcmp(eddarg, "skip"))
-+ do_mbr = 0;
-+ else if (!strcmp(eddarg, "off"))
-+ do_edd = 0;
-+ }
-+
-+ edp = (struct edd_info *)boot_params.eddbuf;
-+
-+ if (!do_edd)
-+ return;
-+
-+ for (devno = 0x80; devno < 0x80+EDD_MBR_SIG_MAX; devno++) {
-+ /*
-+ * Scan the BIOS-supported hard disks and query EDD
-+ * information...
-+ */
-+ get_edd_info(devno, &ei);
-+
-+ if (boot_params.eddbuf_entries < EDDMAXNR) {
-+ memcpy(edp, &ei, sizeof ei);
-+ edp++;
-+ boot_params.eddbuf_entries++;
-+ }
-+
-+ if (do_mbr) {
-+ u32 mbr_sig;
-+ mbr_sig = read_mbr_sig(devno, &ei);
-+ boot_params.edd_mbr_sig_buffer[devno-0x80] = mbr_sig;
-+ }
-+ }
-+}
-+
-+#endif
---- /dev/null
-+++ b/arch/i386/boot/header.S
-@@ -0,0 +1,283 @@
-+/*
-+ * header.S
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ *
-+ * Based on bootsect.S and setup.S
-+ * modified by more people than can be counted
-+ *
-+ * Rewritten as a common file by H. Peter Anvin (Apr 2007)
-+ *
-+ * BIG FAT NOTE: We're in real mode using 64k segments. Therefore segment
-+ * addresses must be multiplied by 16 to obtain their respective linear
-+ * addresses. To avoid confusion, linear addresses are written using leading
-+ * hex while segment addresses are written as segment:offset.
-+ *
-+ */
-+
-+#include <asm/segment.h>
-+#include <linux/utsrelease.h>
-+#include <asm/boot.h>
-+#include <asm/e820.h>
-+#include <asm/page.h>
-+#include <asm/setup.h>
-+#include "boot.h"
-+
-+SETUPSECTS = 4 /* default nr of setup-sectors */
-+BOOTSEG = 0x07C0 /* original address of boot-sector */
-+SYSSEG = DEF_SYSSEG /* system loaded at 0x10000 (65536) */
-+SYSSIZE = DEF_SYSSIZE /* system size: # of 16-byte clicks */
-+ /* to be loaded */
-+ROOT_DEV = 0 /* ROOT_DEV is now written by "build" */
-+SWAP_DEV = 0 /* SWAP_DEV is now written by "build" */
-+
-+#ifndef SVGA_MODE
-+#define SVGA_MODE ASK_VGA
-+#endif
-+
-+#ifndef RAMDISK
-+#define RAMDISK 0
-+#endif
-+
-+#ifndef ROOT_RDONLY
-+#define ROOT_RDONLY 1
-+#endif
-+
-+ .code16
-+ .section ".bstext", "ax"
-+
-+ .global bootsect_start
-+bootsect_start:
-+
-+ # Normalize the start address
-+ ljmp $BOOTSEG, $start2
-+
-+start2:
-+ movw %cs, %ax
-+ movw %ax, %ds
-+ movw %ax, %es
-+ movw %ax, %ss
-+ xorw %sp, %sp
-+ sti
-+ cld
-+
-+ movw $bugger_off_msg, %si
-+
-+msg_loop:
-+ lodsb
-+ andb %al, %al
-+ jz bs_die
-+ movb $0xe, %ah
-+ movw $7, %bx
-+ int $0x10
-+ jmp msg_loop
-+
-+bs_die:
-+ # Allow the user to press a key, then reboot
-+ xorw %ax, %ax
-+ int $0x16
-+ int $0x19
-+
-+ # int 0x19 should never return. In case it does anyway,
-+ # invoke the BIOS reset code...
-+ ljmp $0xf000,$0xfff0
-+
-+ .section ".bsdata", "a"
-+bugger_off_msg:
-+ .ascii "Direct booting from floppy is no longer supported.\r\n"
-+ .ascii "Please use a boot loader program instead.\r\n"
-+ .ascii "\n"
-+ .ascii "Remove disk and press any key to reboot . . .\r\n"
-+ .byte 0
-+
-+
-+ # Kernel attributes; used by setup. This is part 1 of the
-+ # header, from the old boot sector.
-+
-+ .section ".header", "a"
-+ .globl hdr
-+hdr:
-+setup_sects: .byte SETUPSECTS
-+root_flags: .word ROOT_RDONLY
-+syssize: .long SYSSIZE
-+ram_size: .word RAMDISK
-+vid_mode: .word SVGA_MODE
-+root_dev: .word ROOT_DEV
-+boot_flag: .word 0xAA55
-+
-+ # offset 512, entry point
-+
-+ .globl _start
-+_start:
-+ # Explicitly enter this as bytes, or the assembler
-+ # tries to generate a 3-byte jump here, which causes
-+ # everything else to push off to the wrong offset.
-+ .byte 0xeb # short (2-byte) jump
-+ .byte start_of_setup-1f
-+1:
-+
-+ # Part 2 of the header, from the old setup.S
-+
-+ .ascii "HdrS" # header signature
-+ .word 0x0206 # header version number (>= 0x0105)
-+ # or else old loadlin-1.5 will fail)
-+ .globl realmode_swtch
-+realmode_swtch: .word 0, 0 # default_switch, SETUPSEG
-+start_sys_seg: .word SYSSEG
-+ .word kernel_version-512 # pointing to kernel version string
-+ # above section of header is compatible
-+ # with loadlin-1.5 (header v1.5). Don't
-+ # change it.
-+
-+type_of_loader: .byte 0 # = 0, old one (LILO, Loadlin,
-+ # Bootlin, SYSLX, bootsect...)
-+ # See Documentation/i386/boot.txt for
-+ # assigned ids
-+
-+# flags, unused bits must be zero (RFU) bit within loadflags
-+loadflags:
-+LOADED_HIGH = 1 # If set, the kernel is loaded high
-+CAN_USE_HEAP = 0x80 # If set, the loader also has set
-+ # heap_end_ptr to tell how much
-+ # space behind setup.S can be used for
-+ # heap purposes.
-+ # Only the loader knows what is free
-+#ifndef __BIG_KERNEL__
-+ .byte 0
-+#else
-+ .byte LOADED_HIGH
-+#endif
-+
-+setup_move_size: .word 0x8000 # size to move, when setup is not
-+ # loaded at 0x90000. We will move setup
-+ # to 0x90000 then just before jumping
-+ # into the kernel. However, only the
-+ # loader knows how much data behind
-+ # us also needs to be loaded.
-+
-+code32_start: # here loaders can put a different
-+ # start address for 32-bit code.
-+#ifndef __BIG_KERNEL__
-+ .long 0x1000 # 0x1000 = default for zImage
-+#else
-+ .long 0x100000 # 0x100000 = default for big kernel
-+#endif
-+
-+ramdisk_image: .long 0 # address of loaded ramdisk image
-+ # Here the loader puts the 32-bit
-+ # address where it loaded the image.
-+ # This only will be read by the kernel.
-+
-+ramdisk_size: .long 0 # its size in bytes
-+
-+bootsect_kludge:
-+ .long 0 # obsolete
-+
-+heap_end_ptr: .word _end+1024 # (Header version 0x0201 or later)
-+ # space from here (exclusive) down to
-+ # end of setup code can be used by setup
-+ # for local heap purposes.
-+
-+pad1: .word 0
-+cmd_line_ptr: .long 0 # (Header version 0x0202 or later)
-+ # If nonzero, a 32-bit pointer
-+ # to the kernel command line.
-+ # The command line should be
-+ # located between the start of
-+ # setup and the end of low
-+ # memory (0xa0000), or it may
-+ # get overwritten before it
-+ # gets read. If this field is
-+ # used, there is no longer
-+ # anything magical about the
-+ # 0x90000 segment; the setup
-+ # can be located anywhere in
-+ # low memory 0x10000 or higher.
-+
-+ramdisk_max: .long (-__PAGE_OFFSET-(512 << 20)-1) & 0x7fffffff
-+ # (Header version 0x0203 or later)
-+ # The highest safe address for
-+ # the contents of an initrd
-+
-+kernel_alignment: .long CONFIG_PHYSICAL_ALIGN #physical addr alignment
-+ #required for protected mode
-+ #kernel
-+#ifdef CONFIG_RELOCATABLE
-+relocatable_kernel: .byte 1
-+#else
-+relocatable_kernel: .byte 0
-+#endif
-+pad2: .byte 0
-+pad3: .word 0
-+
-+cmdline_size: .long COMMAND_LINE_SIZE-1 #length of the command line,
-+ #added with boot protocol
-+ #version 2.06
-+
-+# End of setup header #####################################################
-+
-+ .section ".inittext", "ax"
-+start_of_setup:
-+#ifdef SAFE_RESET_DISK_CONTROLLER
-+# Reset the disk controller.
-+ movw $0x0000, %ax # Reset disk controller
-+ movb $0x80, %dl # All disks
-+ int $0x13
-+#endif
-+
-+# We will have entired with %cs = %ds+0x20, normalize %cs so
-+# it is on par with the other segments.
-+ pushw %ds
-+ pushw $setup2
-+ lretw
-+
-+setup2:
-+# Force %es = %ds
-+ movw %ds, %ax
-+ movw %ax, %es
-+ cld
-+
-+# Stack paranoia: align the stack and make sure it is good
-+# for both 16- and 32-bit references. In particular, if we
-+# were meant to have been using the full 16-bit segment, the
-+# caller might have set %sp to zero, which breaks %esp-based
-+# references.
-+ andw $~3, %sp # dword align (might as well...)
-+ jnz 1f
-+ movw $0xfffc, %sp # Make sure we're not zero
-+1: movzwl %sp, %esp # Clear upper half of %esp
-+ sti
-+
-+# Check signature at end of setup
-+ cmpl $0x5a5aaa55, setup_sig
-+ jne setup_bad
-+
-+# Zero the bss
-+ movw $__bss_start, %di
-+ movw $_end+3, %cx
-+ xorl %eax, %eax
-+ subw %di, %cx
-+ shrw $2, %cx
-+ rep; stosl
-+
-+# Jump to C code (should not return)
-+ calll main
-+
-+# Setup corrupt somehow...
-+setup_bad:
-+ movl $setup_corrupt, %eax
-+ calll puts
-+ # Fall through...
-+
-+ .globl die
-+ .type die, @function
-+die:
-+ hlt
-+ jmp die
-+
-+ .size die, .-due
-+
-+ .section ".initdata", "a"
-+setup_corrupt:
-+ .byte 7
-+ .string "No setup signature found..."
---- /dev/null
-+++ b/arch/i386/boot/main.c
-@@ -0,0 +1,161 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/main.c
-+ *
-+ * Main module for the real-mode kernel code
-+ */
-+
-+#include "boot.h"
-+
-+struct boot_params boot_params __attribute__((aligned(16)));
-+
-+char *HEAP = _end;
-+char *heap_end = _end; /* Default end of heap = no heap */
-+
-+/*
-+ * Copy the header into the boot parameter block. Since this
-+ * screws up the old-style command line protocol, adjust by
-+ * filling in the new-style command line pointer instead.
-+ */
-+#define OLD_CL_MAGIC 0xA33F
-+#define OLD_CL_ADDRESS 0x20
-+
-+static void copy_boot_params(void)
-+{
-+ struct old_cmdline {
-+ u16 cl_magic;
-+ u16 cl_offset;
-+ };
-+ const struct old_cmdline * const oldcmd =
-+ (const struct old_cmdline *)OLD_CL_ADDRESS;
-+
-+ BUILD_BUG_ON(sizeof boot_params != 4096);
-+ memcpy(&boot_params.hdr, &hdr, sizeof hdr);
-+
-+ if (!boot_params.hdr.cmd_line_ptr &&
-+ oldcmd->cl_magic == OLD_CL_MAGIC) {
-+ /* Old-style command line protocol. */
-+ u16 cmdline_seg;
-+
-+ /* Figure out if the command line falls in the region
-+ of memory that an old kernel would have copied up
-+ to 0x90000... */
-+ if (oldcmd->cl_offset < boot_params.hdr.setup_move_size)
-+ cmdline_seg = ds();
-+ else
-+ cmdline_seg = 0x9000;
-+
-+ boot_params.hdr.cmd_line_ptr =
-+ (cmdline_seg << 4) + oldcmd->cl_offset;
-+ }
-+}
-+
-+/*
-+ * Set the keyboard repeat rate to maximum. Unclear why this
-+ * is done here; this might be possible to kill off as stale code.
-+ */
-+static void keyboard_set_repeat(void)
-+{
-+ u16 ax = 0x0305;
-+ u16 bx = 0;
-+ asm volatile("int $0x16"
-+ : "+a" (ax), "+b" (bx)
-+ : : "ecx", "edx", "esi", "edi");
-+}
-+
-+/*
-+ * Get Intel SpeedStep IST information.
-+ */
-+static void query_speedstep_ist(void)
-+{
-+ asm("int $0x15"
-+ : "=a" (boot_params.speedstep_info[0]),
-+ "=b" (boot_params.speedstep_info[1]),
-+ "=c" (boot_params.speedstep_info[2]),
-+ "=d" (boot_params.speedstep_info[3])
-+ : "a" (0x0000e980), /* IST Support */
-+ "d" (0x47534943)); /* Request value */
-+}
-+
-+/*
-+ * Tell the BIOS what CPU mode we intend to run in.
-+ */
-+static void set_bios_mode(void)
-+{
-+#ifdef CONFIG_X86_64
-+ u32 eax, ebx;
-+
-+ eax = 0xec00;
-+ ebx = 2;
-+ asm volatile("int $0x15"
-+ : "+a" (eax), "+b" (ebx)
-+ : : "ecx", "edx", "esi", "edi");
-+#endif
-+}
-+
-+void main(void)
-+{
-+ /* First, copy the boot header into the "zeropage" */
-+ copy_boot_params();
-+
-+ /* End of heap check */
-+ if (boot_params.hdr.loadflags & CAN_USE_HEAP) {
-+ heap_end = (char *)(boot_params.hdr.heap_end_ptr
-+ +0x200-STACK_SIZE);
-+ } else {
-+ /* Boot protocol 2.00 only, no heap available */
-+ puts("WARNING: Ancient bootloader, some functionality "
-+ "may be limited!\n");
-+ }
-+
-+ /* Make sure we have all the proper CPU support */
-+ if (validate_cpu()) {
-+ puts("Unable to boot - please use a kernel appropriate "
-+ "for your CPU.\n");
-+ die();
-+ }
-+
-+ /* Tell the BIOS what CPU mode we intend to run in. */
-+ set_bios_mode();
-+
-+ /* Detect memory layout */
-+ detect_memory();
-+
-+ /* Set keyboard repeat rate (why?) */
-+ keyboard_set_repeat();
-+
-+ /* Set the video mode */
-+ set_video();
-+
-+ /* Query MCA information */
-+ query_mca();
-+
-+ /* Voyager */
-+#ifdef CONFIG_X86_VOYAGER
-+ query_voyager();
-+#endif
-+
-+ /* Query SpeedStep IST information */
-+ query_speedstep_ist();
-+
-+ /* Query APM information */
-+#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE)
-+ query_apm_bios();
-+#endif
-+
-+ /* Query EDD information */
-+#if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
-+ query_edd();
-+#endif
-+ /* Do the last things and invoke protected mode */
-+ go_to_protected_mode();
-+}
---- /dev/null
-+++ b/arch/i386/boot/mca.c
-@@ -0,0 +1,43 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/mca.c
-+ *
-+ * Get the MCA system description table
-+ */
-+
-+#include "boot.h"
-+
-+int query_mca(void)
-+{
-+ u8 err;
-+ u16 es, bx, len;
-+
-+ asm("pushw %%es ; "
-+ "int $0x15 ; "
-+ "setc %0 ; "
-+ "movw %%es, %1 ; "
-+ "popw %%es"
-+ : "=acdSDm" (err), "=acdSDm" (es), "=b" (bx)
-+ : "a" (0xc000));
-+
-+ if (err)
-+ return -1; /* No MCA present */
-+
-+ set_fs(es);
-+ len = rdfs16(bx);
-+
-+ if (len > sizeof(boot_params.sys_desc_table))
-+ len = sizeof(boot_params.sys_desc_table);
-+
-+ copy_from_fs(&boot_params.sys_desc_table, bx, len);
-+ return 0;
-+}
---- /dev/null
-+++ b/arch/i386/boot/memory.c
-@@ -0,0 +1,99 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/memory.c
-+ *
-+ * Memory detection code
-+ */
-+
-+#include "boot.h"
-+
-+#define SMAP 0x534d4150 /* ASCII "SMAP" */
-+
-+static int detect_memory_e820(void)
-+{
-+ u32 next = 0;
-+ u32 size, id;
-+ u8 err;
-+ struct e820entry *desc = boot_params.e820_map;
-+
-+ do {
-+ size = sizeof(struct e820entry);
-+ id = SMAP;
-+ asm("int $0x15; setc %0"
-+ : "=am" (err), "+b" (next), "+d" (id), "+c" (size),
-+ "=m" (*desc)
-+ : "D" (desc), "a" (0xe820));
-+
-+ if (err || id != SMAP)
-+ break;
-+
-+ boot_params.e820_entries++;
-+ desc++;
-+ } while (next && boot_params.e820_entries < E820MAX);
-+
-+ return boot_params.e820_entries;
-+}
-+
-+static int detect_memory_e801(void)
-+{
-+ u16 ax, bx, cx, dx;
-+ u8 err;
-+
-+ bx = cx = dx = 0;
-+ ax = 0xe801;
-+ asm("stc; int $0x15; setc %0"
-+ : "=m" (err), "+a" (ax), "+b" (bx), "+c" (cx), "+d" (dx));
-+
-+ if (err)
-+ return -1;
-+
-+ /* Do we really need to do this? */
-+ if (cx || dx) {
-+ ax = cx;
-+ bx = dx;
-+ }
-+
-+ if (ax > 15*1024)
-+ return -1; /* Bogus! */
-+
-+ /* This ignores memory above 16MB if we have a memory hole
-+ there. If someone actually finds a machine with a memory
-+ hole at 16MB and no support for 0E820h they should probably
-+ generate a fake e820 map. */
-+ boot_params.alt_mem_k = (ax == 15*1024) ? (dx << 6)+ax : ax;
-+
-+ return 0;
-+}
-+
-+static int detect_memory_88(void)
-+{
-+ u16 ax;
-+ u8 err;
-+
-+ ax = 0x8800;
-+ asm("stc; int $0x15; setc %0" : "=bcdm" (err), "+a" (ax));
-+
-+ boot_params.screen_info.ext_mem_k = ax;
-+
-+ return -err;
-+}
-+
-+int detect_memory(void)
-+{
-+ if (detect_memory_e820() > 0)
-+ return 0;
-+
-+ if (!detect_memory_e801())
-+ return 0;
-+
-+ return detect_memory_88();
-+}
---- /dev/null
-+++ b/arch/i386/boot/pm.c
-@@ -0,0 +1,170 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/pm.c
-+ *
-+ * Prepare the machine for transition to protected mode.
-+ */
-+
-+#include "boot.h"
-+#include <asm/segment.h>
-+
-+/*
-+ * Invoke the realmode switch hook if present; otherwise
-+ * disable all interrupts.
-+ */
-+static void realmode_switch_hook(void)
-+{
-+ if (boot_params.hdr.realmode_swtch) {
-+ asm volatile("lcallw *%0"
-+ : : "m" (boot_params.hdr.realmode_swtch)
-+ : "eax", "ebx", "ecx", "edx");
-+ } else {
-+ asm volatile("cli");
-+ outb(0x80, 0x70); /* Disable NMI */
-+ io_delay();
-+ }
-+}
-+
-+/*
-+ * A zImage kernel is loaded at 0x10000 but wants to run at 0x1000.
-+ * A bzImage kernel is loaded and runs at 0x100000.
-+ */
-+static void move_kernel_around(void)
-+{
-+ /* Note: rely on the compile-time option here rather than
-+ the LOADED_HIGH flag. The Qemu kernel loader unconditionally
-+ sets the loadflags to zero. */
-+#ifndef __BIG_KERNEL__
-+ u16 dst_seg, src_seg;
-+ u32 syssize;
-+
-+ dst_seg = 0x1000 >> 4;
-+ src_seg = 0x10000 >> 4;
-+ syssize = boot_params.hdr.syssize; /* Size in 16-byte paragraps */
-+
-+ while (syssize) {
-+ int paras = (syssize >= 0x1000) ? 0x1000 : syssize;
-+ int dwords = paras << 2;
-+
-+ asm volatile("pushw %%es ; "
-+ "pushw %%ds ; "
-+ "movw %1,%%es ; "
-+ "movw %2,%%ds ; "
-+ "xorw %%di,%%di ; "
-+ "xorw %%si,%%si ; "
-+ "rep;movsl ; "
-+ "popw %%ds ; "
-+ "popw %%es"
-+ : "+c" (dwords)
-+ : "rm" (dst_seg), "rm" (src_seg)
-+ : "esi", "edi");
-+
-+ syssize -= paras;
-+ dst_seg += paras;
-+ src_seg += paras;
-+ }
-+#endif
-+}
-+
-+/*
-+ * Disable all interrupts at the legacy PIC.
-+ */
-+static void mask_all_interrupts(void)
-+{
-+ outb(0xff, 0xa1); /* Mask all interrupts on the seconday PIC */
-+ io_delay();
-+ outb(0xfb, 0x21); /* Mask all but cascade on the primary PIC */
-+ io_delay();
-+}
-+
-+/*
-+ * Reset IGNNE# if asserted in the FPU.
-+ */
-+static void reset_coprocessor(void)
-+{
-+ outb(0, 0xf0);
-+ io_delay();
-+ outb(0, 0xf1);
-+ io_delay();
-+}
-+
-+/*
-+ * Set up the GDT
-+ */
-+#define GDT_ENTRY(flags,base,limit) \
-+ (((u64)(base & 0xff000000) << 32) | \
-+ ((u64)flags << 40) | \
-+ ((u64)(limit & 0x00ff0000) << 32) | \
-+ ((u64)(base & 0x00ffff00) << 16) | \
-+ ((u64)(limit & 0x0000ffff)))
-+
-+struct gdt_ptr {
-+ u16 len;
-+ u32 ptr;
-+} __attribute__((packed));
-+
-+static void setup_gdt(void)
-+{
-+ /* There are machines which are known to not boot with the GDT
-+ being 8-byte unaligned. Intel recommends 16 byte alignment. */
-+ static const u64 boot_gdt[] __attribute__((aligned(16))) = {
-+ /* CS: code, read/execute, 4 GB, base 0 */
-+ [GDT_ENTRY_BOOT_CS] = GDT_ENTRY(0xc09b, 0, 0xfffff),
-+ /* DS: data, read/write, 4 GB, base 0 */
-+ [GDT_ENTRY_BOOT_DS] = GDT_ENTRY(0xc093, 0, 0xfffff),
-+ };
-+ struct gdt_ptr gdt;
-+
-+ gdt.len = sizeof(boot_gdt)-1;
-+ gdt.ptr = (u32)&boot_gdt + (ds() << 4);
-+
-+ asm volatile("lgdtl %0" : : "m" (gdt));
-+}
-+
-+/*
-+ * Set up the IDT
-+ */
-+static void setup_idt(void)
-+{
-+ static const struct gdt_ptr null_idt = {0, 0};
-+ asm volatile("lidtl %0" : : "m" (null_idt));
-+}
-+
-+/*
-+ * Actual invocation sequence
-+ */
-+void go_to_protected_mode(void)
-+{
-+ /* Hook before leaving real mode, also disables interrupts */
-+ realmode_switch_hook();
-+
-+ /* Move the kernel/setup to their final resting places */
-+ move_kernel_around();
-+
-+ /* Enable the A20 gate */
-+ if (enable_a20()) {
-+ puts("A20 gate not responding, unable to boot...\n");
-+ die();
-+ }
-+
-+ /* Reset coprocessor (IGNNE#) */
-+ reset_coprocessor();
-+
-+ /* Mask all interrupts in the PIC */
-+ mask_all_interrupts();
-+
-+ /* Actual transition to protected mode... */
-+ setup_idt();
-+ setup_gdt();
-+ protected_mode_jump(boot_params.hdr.code32_start,
-+ (u32)&boot_params + (ds() << 4));
-+}
---- /dev/null
-+++ b/arch/i386/boot/pmjump.S
-@@ -0,0 +1,54 @@
-+/* ----------------------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/pmjump.S
-+ *
-+ * The actual transition into protected mode
-+ */
-+
-+#include <asm/boot.h>
-+#include <asm/segment.h>
-+
-+ .text
-+
-+ .globl protected_mode_jump
-+ .type protected_mode_jump, @function
-+
-+ .code16
-+
-+/*
-+ * void protected_mode_jump(u32 entrypoint, u32 bootparams);
-+ */
-+protected_mode_jump:
-+ xorl %ebx, %ebx # Flag to indicate this is a boot
-+ movl %edx, %esi # Pointer to boot_params table
-+ movl %eax, 2f # Patch ljmpl instruction
-+ jmp 1f # Short jump to flush instruction q.
-+
-+1:
-+ movw $__BOOT_DS, %cx
-+
-+ movl %cr0, %edx
-+ orb $1, %dl # Protected mode (PE) bit
-+ movl %edx, %cr0
-+
-+ movw %cx, %ds
-+ movw %cx, %es
-+ movw %cx, %fs
-+ movw %cx, %gs
-+ movw %cx, %ss
-+
-+ # Jump to the 32-bit entrypoint
-+ .byte 0x66, 0xea # ljmpl opcode
-+2: .long 0 # offset
-+ .word __BOOT_CS # segment
-+
-+ .size protected_mode_jump, .-protected_mode_jump
---- /dev/null
-+++ b/arch/i386/boot/printf.c
-@@ -0,0 +1,331 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/printf.c
-+ *
-+ * Oh, it's a waste of space, but oh-so-yummy for debugging. This
-+ * version of printf() does not include 64-bit support. "Live with
-+ * it."
-+ *
-+ */
-+
-+#include "boot.h"
-+
-+static inline int isdigit(int ch)
-+{
-+ return (ch >= '0') && (ch <= '9');
-+}
-+
-+static int skip_atoi(const char **s)
-+{
-+ int i = 0;
-+
-+ while (isdigit(**s))
-+ i = i * 10 + *((*s)++) - '0';
-+ return i;
-+}
-+
-+unsigned int atou(const char *s)
-+{
-+ unsigned int i = 0;
-+ while (isdigit(*s))
-+ i = i * 10 + (*s++ - '0');
-+ return i;
-+}
-+
-+static int strnlen(const char *s, int maxlen)
-+{
-+ const char *es = s;
-+ while (*es && maxlen) {
-+ es++;
-+ maxlen--;
-+ }
-+
-+ return (es - s);
-+}
-+
-+#define ZEROPAD 1 /* pad with zero */
-+#define SIGN 2 /* unsigned/signed long */
-+#define PLUS 4 /* show plus */
-+#define SPACE 8 /* space if plus */
-+#define LEFT 16 /* left justified */
-+#define SPECIAL 32 /* 0x */
-+#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
-+
-+#define do_div(n,base) ({ \
-+int __res; \
-+__res = ((unsigned long) n) % (unsigned) base; \
-+n = ((unsigned long) n) / (unsigned) base; \
-+__res; })
-+
-+static char *number(char *str, long num, int base, int size, int precision,
-+ int type)
-+{
-+ char c, sign, tmp[66];
-+ const char *digits = "0123456789abcdefghijklmnopqrstuvwxyz";
-+ int i;
-+
-+ if (type & LARGE)
-+ digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
-+ if (type & LEFT)
-+ type &= ~ZEROPAD;
-+ if (base < 2 || base > 36)
-+ return 0;
-+ c = (type & ZEROPAD) ? '0' : ' ';
-+ sign = 0;
-+ if (type & SIGN) {
-+ if (num < 0) {
-+ sign = '-';
-+ num = -num;
-+ size--;
-+ } else if (type & PLUS) {
-+ sign = '+';
-+ size--;
-+ } else if (type & SPACE) {
-+ sign = ' ';
-+ size--;
-+ }
-+ }
-+ if (type & SPECIAL) {
-+ if (base == 16)
-+ size -= 2;
-+ else if (base == 8)
-+ size--;
-+ }
-+ i = 0;
-+ if (num == 0)
-+ tmp[i++] = '0';
-+ else
-+ while (num != 0)
-+ tmp[i++] = digits[do_div(num, base)];
-+ if (i > precision)
-+ precision = i;
-+ size -= precision;
-+ if (!(type & (ZEROPAD + LEFT)))
-+ while (size-- > 0)
-+ *str++ = ' ';
-+ if (sign)
-+ *str++ = sign;
-+ if (type & SPECIAL) {
-+ if (base == 8)
-+ *str++ = '0';
-+ else if (base == 16) {
-+ *str++ = '0';
-+ *str++ = digits[33];
-+ }
-+ }
-+ if (!(type & LEFT))
-+ while (size-- > 0)
-+ *str++ = c;
-+ while (i < precision--)
-+ *str++ = '0';
-+ while (i-- > 0)
-+ *str++ = tmp[i];
-+ while (size-- > 0)
-+ *str++ = ' ';
-+ return str;
-+}
-+
-+int vsprintf(char *buf, const char *fmt, va_list args)
-+{
-+ int len;
-+ unsigned long num;
-+ int i, base;
-+ char *str;
-+ const char *s;
-+
-+ int flags; /* flags to number() */
-+
-+ int field_width; /* width of output field */
-+ int precision; /* min. # of digits for integers; max
-+ number of chars for from string */
-+ int qualifier; /* 'h', 'l', or 'L' for integer fields */
-+
-+ for (str = buf; *fmt; ++fmt) {
-+ if (*fmt != '%') {
-+ *str++ = *fmt;
-+ continue;
-+ }
-+
-+ /* process flags */
-+ flags = 0;
-+ repeat:
-+ ++fmt; /* this also skips first '%' */
-+ switch (*fmt) {
-+ case '-':
-+ flags |= LEFT;
-+ goto repeat;
-+ case '+':
-+ flags |= PLUS;
-+ goto repeat;
-+ case ' ':
-+ flags |= SPACE;
-+ goto repeat;
-+ case '#':
-+ flags |= SPECIAL;
-+ goto repeat;
-+ case '0':
-+ flags |= ZEROPAD;
-+ goto repeat;
-+ }
-+
-+ /* get field width */
-+ field_width = -1;
-+ if (isdigit(*fmt))
-+ field_width = skip_atoi(&fmt);
-+ else if (*fmt == '*') {
-+ ++fmt;
-+ /* it's the next argument */
-+ field_width = va_arg(args, int);
-+ if (field_width < 0) {
-+ field_width = -field_width;
-+ flags |= LEFT;
-+ }
-+ }
-+
-+ /* get the precision */
-+ precision = -1;
-+ if (*fmt == '.') {
-+ ++fmt;
-+ if (isdigit(*fmt))
-+ precision = skip_atoi(&fmt);
-+ else if (*fmt == '*') {
-+ ++fmt;
-+ /* it's the next argument */
-+ precision = va_arg(args, int);
-+ }
-+ if (precision < 0)
-+ precision = 0;
-+ }
-+
-+ /* get the conversion qualifier */
-+ qualifier = -1;
-+ if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L') {
-+ qualifier = *fmt;
-+ ++fmt;
-+ }
-+
-+ /* default base */
-+ base = 10;
-+
-+ switch (*fmt) {
-+ case 'c':
-+ if (!(flags & LEFT))
-+ while (--field_width > 0)
-+ *str++ = ' ';
-+ *str++ = (unsigned char)va_arg(args, int);
-+ while (--field_width > 0)
-+ *str++ = ' ';
-+ continue;
-+
-+ case 's':
-+ s = va_arg(args, char *);
-+ len = strnlen(s, precision);
-+
-+ if (!(flags & LEFT))
-+ while (len < field_width--)
-+ *str++ = ' ';
-+ for (i = 0; i < len; ++i)
-+ *str++ = *s++;
-+ while (len < field_width--)
-+ *str++ = ' ';
-+ continue;
-+
-+ case 'p':
-+ if (field_width == -1) {
-+ field_width = 2 * sizeof(void *);
-+ flags |= ZEROPAD;
-+ }
-+ str = number(str,
-+ (unsigned long)va_arg(args, void *), 16,
-+ field_width, precision, flags);
-+ continue;
-+
-+ case 'n':
-+ if (qualifier == 'l') {
-+ long *ip = va_arg(args, long *);
-+ *ip = (str - buf);
-+ } else {
-+ int *ip = va_arg(args, int *);
-+ *ip = (str - buf);
-+ }
-+ continue;
-+
-+ case '%':
-+ *str++ = '%';
-+ continue;
-+
-+ /* integer number formats - set up the flags and "break" */
-+ case 'o':
-+ base = 8;
-+ break;
-+
-+ case 'X':
-+ flags |= LARGE;
-+ case 'x':
-+ base = 16;
-+ break;
-+
-+ case 'd':
-+ case 'i':
-+ flags |= SIGN;
-+ case 'u':
-+ break;
-+
-+ default:
-+ *str++ = '%';
-+ if (*fmt)
-+ *str++ = *fmt;
-+ else
-+ --fmt;
-+ continue;
-+ }
-+ if (qualifier == 'l')
-+ num = va_arg(args, unsigned long);
-+ else if (qualifier == 'h') {
-+ num = (unsigned short)va_arg(args, int);
-+ if (flags & SIGN)
-+ num = (short)num;
-+ } else if (flags & SIGN)
-+ num = va_arg(args, int);
-+ else
-+ num = va_arg(args, unsigned int);
-+ str = number(str, num, base, field_width, precision, flags);
-+ }
-+ *str = '\0';
-+ return str - buf;
-+}
-+
-+int sprintf(char *buf, const char *fmt, ...)
-+{
-+ va_list args;
-+ int i;
-+
-+ va_start(args, fmt);
-+ i = vsprintf(buf, fmt, args);
-+ va_end(args);
-+ return i;
-+}
-+
-+int printf(const char *fmt, ...)
-+{
-+ char printf_buf[1024];
-+ va_list args;
-+ int printed;
-+
-+ va_start(args, fmt);
-+ printed = vsprintf(printf_buf, fmt, args);
-+ va_end(args);
-+
-+ puts(printf_buf);
-+
-+ return printed;
-+}
---- a/arch/i386/boot/setup.S
-+++ /dev/null
-@@ -1,1075 +0,0 @@
--/*
-- * setup.S Copyright (C) 1991, 1992 Linus Torvalds
-- *
-- * setup.s is responsible for getting the system data from the BIOS,
-- * and putting them into the appropriate places in system memory.
-- * both setup.s and system has been loaded by the bootblock.
-- *
-- * This code asks the bios for memory/disk/other parameters, and
-- * puts them in a "safe" place: 0x90000-0x901FF, ie where the
-- * boot-block used to be. It is then up to the protected mode
-- * system to read them from there before the area is overwritten
-- * for buffer-blocks.
-- *
-- * Move PS/2 aux init code to psaux.c
-- * (troyer@saifr00.cfsat.Honeywell.COM) 03Oct92
-- *
-- * some changes and additional features by Christoph Niemann,
-- * March 1993/June 1994 (Christoph.Niemann@linux.org)
-- *
-- * add APM BIOS checking by Stephen Rothwell, May 1994
-- * (sfr@canb.auug.org.au)
-- *
-- * High load stuff, initrd support and position independency
-- * by Hans Lermen & Werner Almesberger, February 1996
-- * <lermen@elserv.ffm.fgan.de>, <almesber@lrc.epfl.ch>
-- *
-- * Video handling moved to video.S by Martin Mares, March 1996
-- * <mj@k332.feld.cvut.cz>
-- *
-- * Extended memory detection scheme retwiddled by orc@pell.chi.il.us (david
-- * parsons) to avoid loadlin confusion, July 1997
-- *
-- * Transcribed from Intel (as86) -> AT&T (gas) by Chris Noe, May 1999.
-- * <stiker@northlink.com>
-- *
-- * Fix to work around buggy BIOSes which don't use carry bit correctly
-- * and/or report extended memory in CX/DX for e801h memory size detection
-- * call. As a result the kernel got wrong figures. The int15/e801h docs
-- * from Ralf Brown interrupt list seem to indicate AX/BX should be used
-- * anyway. So to avoid breaking many machines (presumably there was a reason
-- * to orginally use CX/DX instead of AX/BX), we do a kludge to see
-- * if CX/DX have been changed in the e801 call and if so use AX/BX .
-- * Michael Miller, April 2001 <michaelm@mjmm.org>
-- *
-- * New A20 code ported from SYSLINUX by H. Peter Anvin. AMD Elan bugfixes
-- * by Robert Schwebel, December 2001 <robert@schwebel.de>
-- */
--
--#include <asm/segment.h>
--#include <linux/utsrelease.h>
--#include <linux/compile.h>
--#include <asm/boot.h>
--#include <asm/e820.h>
--#include <asm/page.h>
--#include <asm/setup.h>
--
--/* Signature words to ensure LILO loaded us right */
--#define SIG1 0xAA55
--#define SIG2 0x5A5A
--
--INITSEG = DEF_INITSEG # 0x9000, we move boot here, out of the way
--SYSSEG = DEF_SYSSEG # 0x1000, system loaded at 0x10000 (65536).
--SETUPSEG = DEF_SETUPSEG # 0x9020, this is the current segment
-- # ... and the former contents of CS
--
--DELTA_INITSEG = SETUPSEG - INITSEG # 0x0020
--
--.code16
--.globl begtext, begdata, begbss, endtext, enddata, endbss
--
--.text
--begtext:
--.data
--begdata:
--.bss
--begbss:
--.text
--
--start:
-- jmp trampoline
--
--# This is the setup header, and it must start at %cs:2 (old 0x9020:2)
--
-- .ascii "HdrS" # header signature
-- .word 0x0206 # header version number (>= 0x0105)
-- # or else old loadlin-1.5 will fail)
--realmode_swtch: .word 0, 0 # default_switch, SETUPSEG
--start_sys_seg: .word SYSSEG
-- .word kernel_version # pointing to kernel version string
-- # above section of header is compatible
-- # with loadlin-1.5 (header v1.5). Don't
-- # change it.
--
--type_of_loader: .byte 0 # = 0, old one (LILO, Loadlin,
-- # Bootlin, SYSLX, bootsect...)
-- # See Documentation/i386/boot.txt for
-- # assigned ids
--
--# flags, unused bits must be zero (RFU) bit within loadflags
--loadflags:
--LOADED_HIGH = 1 # If set, the kernel is loaded high
--CAN_USE_HEAP = 0x80 # If set, the loader also has set
-- # heap_end_ptr to tell how much
-- # space behind setup.S can be used for
-- # heap purposes.
-- # Only the loader knows what is free
--#ifndef __BIG_KERNEL__
-- .byte 0
--#else
-- .byte LOADED_HIGH
--#endif
--
--setup_move_size: .word 0x8000 # size to move, when setup is not
-- # loaded at 0x90000. We will move setup
-- # to 0x90000 then just before jumping
-- # into the kernel. However, only the
-- # loader knows how much data behind
-- # us also needs to be loaded.
--
--code32_start: # here loaders can put a different
-- # start address for 32-bit code.
--#ifndef __BIG_KERNEL__
-- .long 0x1000 # 0x1000 = default for zImage
--#else
-- .long 0x100000 # 0x100000 = default for big kernel
--#endif
--
--ramdisk_image: .long 0 # address of loaded ramdisk image
-- # Here the loader puts the 32-bit
-- # address where it loaded the image.
-- # This only will be read by the kernel.
--
--ramdisk_size: .long 0 # its size in bytes
--
--bootsect_kludge:
-- .long 0 # obsolete
--
--heap_end_ptr: .word modelist+1024 # (Header version 0x0201 or later)
-- # space from here (exclusive) down to
-- # end of setup code can be used by setup
-- # for local heap purposes.
--
--pad1: .word 0
--cmd_line_ptr: .long 0 # (Header version 0x0202 or later)
-- # If nonzero, a 32-bit pointer
-- # to the kernel command line.
-- # The command line should be
-- # located between the start of
-- # setup and the end of low
-- # memory (0xa0000), or it may
-- # get overwritten before it
-- # gets read. If this field is
-- # used, there is no longer
-- # anything magical about the
-- # 0x90000 segment; the setup
-- # can be located anywhere in
-- # low memory 0x10000 or higher.
--
--ramdisk_max: .long (-__PAGE_OFFSET-(512 << 20)-1) & 0x7fffffff
-- # (Header version 0x0203 or later)
-- # The highest safe address for
-- # the contents of an initrd
--
--kernel_alignment: .long CONFIG_PHYSICAL_ALIGN #physical addr alignment
-- #required for protected mode
-- #kernel
--#ifdef CONFIG_RELOCATABLE
--relocatable_kernel: .byte 1
--#else
--relocatable_kernel: .byte 0
--#endif
--pad2: .byte 0
--pad3: .word 0
--
--cmdline_size: .long COMMAND_LINE_SIZE-1 #length of the command line,
-- #added with boot protocol
-- #version 2.06
--
--trampoline: call start_of_setup
-- .align 16
-- # The offset at this point is 0x240
-- .space (0xeff-0x240+1) # E820 & EDD space (ending at 0xeff)
--# End of setup header #####################################################
--
--start_of_setup:
--# Bootlin depends on this being done early
-- movw $0x01500, %ax
-- movb $0x81, %dl
-- int $0x13
--
--#ifdef SAFE_RESET_DISK_CONTROLLER
--# Reset the disk controller.
-- movw $0x0000, %ax
-- movb $0x80, %dl
-- int $0x13
--#endif
--
--# Set %ds = %cs, we know that SETUPSEG = %cs at this point
-- movw %cs, %ax # aka SETUPSEG
-- movw %ax, %ds
--# Check signature at end of setup
-- cmpw $SIG1, setup_sig1
-- jne bad_sig
--
-- cmpw $SIG2, setup_sig2
-- jne bad_sig
--
-- jmp good_sig1
--
--# Routine to print asciiz string at ds:si
--prtstr:
-- lodsb
-- andb %al, %al
-- jz fin
--
-- call prtchr
-- jmp prtstr
--
--fin: ret
--
--# Space printing
--prtsp2: call prtspc # Print double space
--prtspc: movb $0x20, %al # Print single space (note: fall-thru)
--
--# Part of above routine, this one just prints ascii al
--prtchr: pushw %ax
-- pushw %cx
-- movw $7,%bx
-- movw $0x01, %cx
-- movb $0x0e, %ah
-- int $0x10
-- popw %cx
-- popw %ax
-- ret
--
--beep: movb $0x07, %al
-- jmp prtchr
--
--no_sig_mess: .string "No setup signature found ..."
--
--good_sig1:
-- jmp good_sig
--
--# We now have to find the rest of the setup code/data
--bad_sig:
-- movw %cs, %ax # SETUPSEG
-- subw $DELTA_INITSEG, %ax # INITSEG
-- movw %ax, %ds
-- xorb %bh, %bh
-- movb (497), %bl # get setup sect from bootsect
-- subw $4, %bx # LILO loads 4 sectors of setup
-- shlw $8, %bx # convert to words (1sect=2^8 words)
-- movw %bx, %cx
-- shrw $3, %bx # convert to segment
-- addw $SYSSEG, %bx
-- movw %bx, %cs:start_sys_seg
--# Move rest of setup code/data to here
-- movw $2048, %di # four sectors loaded by LILO
-- subw %si, %si
-- pushw %cs
-- popw %es
-- movw $SYSSEG, %ax
-- movw %ax, %ds
-- rep
-- movsw
-- movw %cs, %ax # aka SETUPSEG
-- movw %ax, %ds
-- cmpw $SIG1, setup_sig1
-- jne no_sig
--
-- cmpw $SIG2, setup_sig2
-- jne no_sig
--
-- jmp good_sig
--
--no_sig:
-- lea no_sig_mess, %si
-- call prtstr
--
--no_sig_loop:
-- hlt
-- jmp no_sig_loop
--
--good_sig:
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ax, %ds
--# Check if an old loader tries to load a big-kernel
-- testb $LOADED_HIGH, %cs:loadflags # Do we have a big kernel?
-- jz loader_ok # No, no danger for old loaders.
--
-- cmpb $0, %cs:type_of_loader # Do we have a loader that
-- # can deal with us?
-- jnz loader_ok # Yes, continue.
--
-- pushw %cs # No, we have an old loader,
-- popw %ds # die.
-- lea loader_panic_mess, %si
-- call prtstr
--
-- jmp no_sig_loop
--
--loader_panic_mess: .string "Wrong loader, giving up..."
--
--# check minimum cpuid
--# we do this here because it is the last place we can actually
--# show a user visible error message. Later the video modus
--# might be already messed up.
--loader_ok:
-- call verify_cpu
-- testl %eax,%eax
-- jz cpu_ok
-- movw %cs,%ax # aka SETUPSEG
-- movw %ax,%ds
-- lea cpu_panic_mess,%si
-- call prtstr
--1: jmp 1b
--
--cpu_panic_mess:
-- .asciz "PANIC: CPU too old for this kernel."
--
--#include "../kernel/verify_cpu.S"
--
--cpu_ok:
--# Get memory size (extended mem, kB)
--
-- xorl %eax, %eax
-- movl %eax, (0x1e0)
--#ifndef STANDARD_MEMORY_BIOS_CALL
-- movb %al, (E820NR)
--# Try three different memory detection schemes. First, try
--# e820h, which lets us assemble a memory map, then try e801h,
--# which returns a 32-bit memory size, and finally 88h, which
--# returns 0-64m
--
--# method E820H:
--# the memory map from hell. e820h returns memory classified into
--# a whole bunch of different types, and allows memory holes and
--# everything. We scan through this memory map and build a list
--# of the first 32 memory areas, which we return at [E820MAP].
--# This is documented at http://www.acpi.info/, in the ACPI 2.0 specification.
--
--#define SMAP 0x534d4150
--
--meme820:
-- xorl %ebx, %ebx # continuation counter
-- movw $E820MAP, %di # point into the whitelist
-- # so we can have the bios
-- # directly write into it.
--
--jmpe820:
-- movl $0x0000e820, %eax # e820, upper word zeroed
-- movl $SMAP, %edx # ascii 'SMAP'
-- movl $20, %ecx # size of the e820rec
-- pushw %ds # data record.
-- popw %es
-- int $0x15 # make the call
-- jc bail820 # fall to e801 if it fails
--
-- cmpl $SMAP, %eax # check the return is `SMAP'
-- jne bail820 # fall to e801 if it fails
--
--# cmpl $1, 16(%di) # is this usable memory?
--# jne again820
--
-- # If this is usable memory, we save it by simply advancing %di by
-- # sizeof(e820rec).
-- #
--good820:
-- movb (E820NR), %al # up to 128 entries
-- cmpb $E820MAX, %al
-- jae bail820
--
-- incb (E820NR)
-- movw %di, %ax
-- addw $20, %ax
-- movw %ax, %di
--again820:
-- cmpl $0, %ebx # check to see if
-- jne jmpe820 # %ebx is set to EOF
--bail820:
--
--
--# method E801H:
--# memory size is in 1k chunksizes, to avoid confusing loadlin.
--# we store the 0xe801 memory size in a completely different place,
--# because it will most likely be longer than 16 bits.
--# (use 1e0 because that's what Larry Augustine uses in his
--# alternative new memory detection scheme, and it's sensible
--# to write everything into the same place.)
--
--meme801:
-- stc # fix to work around buggy
-- xorw %cx,%cx # BIOSes which don't clear/set
-- xorw %dx,%dx # carry on pass/error of
-- # e801h memory size call
-- # or merely pass cx,dx though
-- # without changing them.
-- movw $0xe801, %ax
-- int $0x15
-- jc mem88
--
-- cmpw $0x0, %cx # Kludge to handle BIOSes
-- jne e801usecxdx # which report their extended
-- cmpw $0x0, %dx # memory in AX/BX rather than
-- jne e801usecxdx # CX/DX. The spec I have read
-- movw %ax, %cx # seems to indicate AX/BX
-- movw %bx, %dx # are more reasonable anyway...
--
--e801usecxdx:
-- andl $0xffff, %edx # clear sign extend
-- shll $6, %edx # and go from 64k to 1k chunks
-- movl %edx, (0x1e0) # store extended memory size
-- andl $0xffff, %ecx # clear sign extend
-- addl %ecx, (0x1e0) # and add lower memory into
-- # total size.
--
--# Ye Olde Traditional Methode. Returns the memory size (up to 16mb or
--# 64mb, depending on the bios) in ax.
--mem88:
--
--#endif
-- movb $0x88, %ah
-- int $0x15
-- movw %ax, (2)
--
--# Set the keyboard repeat rate to the max
-- movw $0x0305, %ax
-- xorw %bx, %bx
-- int $0x16
--
--# Check for video adapter and its parameters and allow the
--# user to browse video modes.
-- call video # NOTE: we need %ds pointing
-- # to bootsector
--
--# Get hd0 data...
-- xorw %ax, %ax
-- movw %ax, %ds
-- ldsw (4 * 0x41), %si
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- pushw %ax
-- movw %ax, %es
-- movw $0x0080, %di
-- movw $0x10, %cx
-- pushw %cx
-- cld
-- rep
-- movsb
--# Get hd1 data...
-- xorw %ax, %ax
-- movw %ax, %ds
-- ldsw (4 * 0x46), %si
-- popw %cx
-- popw %es
-- movw $0x0090, %di
-- rep
-- movsb
--# Check that there IS a hd1 :-)
-- movw $0x01500, %ax
-- movb $0x81, %dl
-- int $0x13
-- jc no_disk1
--
-- cmpb $3, %ah
-- je is_disk1
--
--no_disk1:
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ax, %es
-- movw $0x0090, %di
-- movw $0x10, %cx
-- xorw %ax, %ax
-- cld
-- rep
-- stosb
--is_disk1:
--# check for Micro Channel (MCA) bus
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ax, %ds
-- xorw %ax, %ax
-- movw %ax, (0xa0) # set table length to 0
-- movb $0xc0, %ah
-- stc
-- int $0x15 # moves feature table to es:bx
-- jc no_mca
--
-- pushw %ds
-- movw %es, %ax
-- movw %ax, %ds
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ax, %es
-- movw %bx, %si
-- movw $0xa0, %di
-- movw (%si), %cx
-- addw $2, %cx # table length is a short
-- cmpw $0x10, %cx
-- jc sysdesc_ok
--
-- movw $0x10, %cx # we keep only first 16 bytes
--sysdesc_ok:
-- rep
-- movsb
-- popw %ds
--no_mca:
--#ifdef CONFIG_X86_VOYAGER
-- movb $0xff, 0x40 # flag on config found
-- movb $0xc0, %al
-- mov $0xff, %ah
-- int $0x15 # put voyager config info at es:di
-- jc no_voyager
-- movw $0x40, %si # place voyager info in apm table
-- cld
-- movw $7, %cx
--voyager_rep:
-- movb %es:(%di), %al
-- movb %al,(%si)
-- incw %di
-- incw %si
-- decw %cx
-- jnz voyager_rep
--no_voyager:
--#endif
--# Check for PS/2 pointing device
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ax, %ds
-- movb $0, (0x1ff) # default is no pointing device
-- int $0x11 # int 0x11: equipment list
-- testb $0x04, %al # check if mouse installed
-- jz no_psmouse
--
-- movb $0xAA, (0x1ff) # device present
--no_psmouse:
--
--#if defined(CONFIG_X86_SPEEDSTEP_SMI) || defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE)
-- movl $0x0000E980, %eax # IST Support
-- movl $0x47534943, %edx # Request value
-- int $0x15
--
-- movl %eax, (96)
-- movl %ebx, (100)
-- movl %ecx, (104)
-- movl %edx, (108)
--#endif
--
--#if defined(CONFIG_APM) || defined(CONFIG_APM_MODULE)
--# Then check for an APM BIOS...
-- # %ds points to the bootsector
-- movw $0, 0x40 # version = 0 means no APM BIOS
-- movw $0x05300, %ax # APM BIOS installation check
-- xorw %bx, %bx
-- int $0x15
-- jc done_apm_bios # Nope, no APM BIOS
--
-- cmpw $0x0504d, %bx # Check for "PM" signature
-- jne done_apm_bios # No signature, no APM BIOS
--
-- andw $0x02, %cx # Is 32 bit supported?
-- je done_apm_bios # No 32-bit, no (good) APM BIOS
--
-- movw $0x05304, %ax # Disconnect first just in case
-- xorw %bx, %bx
-- int $0x15 # ignore return code
-- movw $0x05303, %ax # 32 bit connect
-- xorl %ebx, %ebx
-- xorw %cx, %cx # paranoia :-)
-- xorw %dx, %dx # ...
-- xorl %esi, %esi # ...
-- xorw %di, %di # ...
-- int $0x15
-- jc no_32_apm_bios # Ack, error.
--
-- movw %ax, (66) # BIOS code segment
-- movl %ebx, (68) # BIOS entry point offset
-- movw %cx, (72) # BIOS 16 bit code segment
-- movw %dx, (74) # BIOS data segment
-- movl %esi, (78) # BIOS code segment lengths
-- movw %di, (82) # BIOS data segment length
--# Redo the installation check as the 32 bit connect
--# modifies the flags returned on some BIOSs
-- movw $0x05300, %ax # APM BIOS installation check
-- xorw %bx, %bx
-- xorw %cx, %cx # paranoia
-- int $0x15
-- jc apm_disconnect # error -> shouldn't happen
--
-- cmpw $0x0504d, %bx # check for "PM" signature
-- jne apm_disconnect # no sig -> shouldn't happen
--
-- movw %ax, (64) # record the APM BIOS version
-- movw %cx, (76) # and flags
-- jmp done_apm_bios
--
--apm_disconnect: # Tidy up
-- movw $0x05304, %ax # Disconnect
-- xorw %bx, %bx
-- int $0x15 # ignore return code
--
-- jmp done_apm_bios
--
--no_32_apm_bios:
-- andw $0xfffd, (76) # remove 32 bit support bit
--done_apm_bios:
--#endif
--
--#include "edd.S"
--
--# Now we want to move to protected mode ...
-- cmpw $0, %cs:realmode_swtch
-- jz rmodeswtch_normal
--
-- lcall *%cs:realmode_swtch
--
-- jmp rmodeswtch_end
--
--rmodeswtch_normal:
-- pushw %cs
-- call default_switch
--
--rmodeswtch_end:
--# Now we move the system to its rightful place ... but we check if we have a
--# big-kernel. In that case we *must* not move it ...
-- testb $LOADED_HIGH, %cs:loadflags
-- jz do_move0 # .. then we have a normal low
-- # loaded zImage
-- # .. or else we have a high
-- # loaded bzImage
-- jmp end_move # ... and we skip moving
--
--do_move0:
-- movw $0x100, %ax # start of destination segment
-- movw %cs, %bp # aka SETUPSEG
-- subw $DELTA_INITSEG, %bp # aka INITSEG
-- movw %cs:start_sys_seg, %bx # start of source segment
-- cld
--do_move:
-- movw %ax, %es # destination segment
-- incb %ah # instead of add ax,#0x100
-- movw %bx, %ds # source segment
-- addw $0x100, %bx
-- subw %di, %di
-- subw %si, %si
-- movw $0x800, %cx
-- rep
-- movsw
-- cmpw %bp, %bx # assume start_sys_seg > 0x200,
-- # so we will perhaps read one
-- # page more than needed, but
-- # never overwrite INITSEG
-- # because destination is a
-- # minimum one page below source
-- jb do_move
--
--end_move:
--# then we load the segment descriptors
-- movw %cs, %ax # aka SETUPSEG
-- movw %ax, %ds
--
--# Check whether we need to be downward compatible with version <=201
-- cmpl $0, cmd_line_ptr
-- jne end_move_self # loader uses version >=202 features
-- cmpb $0x20, type_of_loader
-- je end_move_self # bootsect loader, we know of it
--
--# Boot loader doesnt support boot protocol version 2.02.
--# If we have our code not at 0x90000, we need to move it there now.
--# We also then need to move the params behind it (commandline)
--# Because we would overwrite the code on the current IP, we move
--# it in two steps, jumping high after the first one.
-- movw %cs, %ax
-- cmpw $SETUPSEG, %ax
-- je end_move_self
--
-- cli # make sure we really have
-- # interrupts disabled !
-- # because after this the stack
-- # should not be used
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ss, %dx
-- cmpw %ax, %dx
-- jb move_self_1
--
-- addw $INITSEG, %dx
-- subw %ax, %dx # this will go into %ss after
-- # the move
--move_self_1:
-- movw %ax, %ds
-- movw $INITSEG, %ax # real INITSEG
-- movw %ax, %es
-- movw %cs:setup_move_size, %cx
-- std # we have to move up, so we use
-- # direction down because the
-- # areas may overlap
-- movw %cx, %di
-- decw %di
-- movw %di, %si
-- subw $move_self_here+0x200, %cx
-- rep
-- movsb
-- ljmp $SETUPSEG, $move_self_here
--
--move_self_here:
-- movw $move_self_here+0x200, %cx
-- rep
-- movsb
-- movw $SETUPSEG, %ax
-- movw %ax, %ds
-- movw %dx, %ss
--end_move_self: # now we are at the right place
--
--#
--# Enable A20. This is at the very best an annoying procedure.
--# A20 code ported from SYSLINUX 1.52-1.63 by H. Peter Anvin.
--# AMD Elan bug fix by Robert Schwebel.
--#
--
--#if defined(CONFIG_X86_ELAN)
-- movb $0x02, %al # alternate A20 gate
-- outb %al, $0x92 # this works on SC410/SC520
--a20_elan_wait:
-- call a20_test
-- jz a20_elan_wait
-- jmp a20_done
--#endif
--
--
--A20_TEST_LOOPS = 32 # Iterations per wait
--A20_ENABLE_LOOPS = 255 # Total loops to try
--
--
--#ifndef CONFIG_X86_VOYAGER
--a20_try_loop:
--
-- # First, see if we are on a system with no A20 gate.
--a20_none:
-- call a20_test
-- jnz a20_done
--
-- # Next, try the BIOS (INT 0x15, AX=0x2401)
--a20_bios:
-- movw $0x2401, %ax
-- pushfl # Be paranoid about flags
-- int $0x15
-- popfl
--
-- call a20_test
-- jnz a20_done
--
-- # Try enabling A20 through the keyboard controller
--#endif /* CONFIG_X86_VOYAGER */
--a20_kbc:
-- call empty_8042
--
--#ifndef CONFIG_X86_VOYAGER
-- call a20_test # Just in case the BIOS worked
-- jnz a20_done # but had a delayed reaction.
--#endif
--
-- movb $0xD1, %al # command write
-- outb %al, $0x64
-- call empty_8042
--
-- movb $0xDF, %al # A20 on
-- outb %al, $0x60
-- call empty_8042
--
--#ifndef CONFIG_X86_VOYAGER
-- # Wait until a20 really *is* enabled; it can take a fair amount of
-- # time on certain systems; Toshiba Tecras are known to have this
-- # problem.
--a20_kbc_wait:
-- xorw %cx, %cx
--a20_kbc_wait_loop:
-- call a20_test
-- jnz a20_done
-- loop a20_kbc_wait_loop
--
-- # Final attempt: use "configuration port A"
--a20_fast:
-- inb $0x92, %al # Configuration Port A
-- orb $0x02, %al # "fast A20" version
-- andb $0xFE, %al # don't accidentally reset
-- outb %al, $0x92
--
-- # Wait for configuration port A to take effect
--a20_fast_wait:
-- xorw %cx, %cx
--a20_fast_wait_loop:
-- call a20_test
-- jnz a20_done
-- loop a20_fast_wait_loop
--
-- # A20 is still not responding. Try frobbing it again.
-- #
-- decb (a20_tries)
-- jnz a20_try_loop
--
-- movw $a20_err_msg, %si
-- call prtstr
--
--a20_die:
-- hlt
-- jmp a20_die
--
--a20_tries:
-- .byte A20_ENABLE_LOOPS
--
--a20_err_msg:
-- .ascii "linux: fatal error: A20 gate not responding!"
-- .byte 13, 10, 0
--
-- # If we get here, all is good
--a20_done:
--
--#endif /* CONFIG_X86_VOYAGER */
--# set up gdt and idt and 32bit start address
-- lidt idt_48 # load idt with 0,0
-- xorl %eax, %eax # Compute gdt_base
-- movw %ds, %ax # (Convert %ds:gdt to a linear ptr)
-- shll $4, %eax
-- addl %eax, code32
-- addl $gdt, %eax
-- movl %eax, (gdt_48+2)
-- lgdt gdt_48 # load gdt with whatever is
-- # appropriate
--
--# make sure any possible coprocessor is properly reset..
-- xorw %ax, %ax
-- outb %al, $0xf0
-- call delay
--
-- outb %al, $0xf1
-- call delay
--
--# well, that went ok, I hope. Now we mask all interrupts - the rest
--# is done in init_IRQ().
-- movb $0xFF, %al # mask all interrupts for now
-- outb %al, $0xA1
-- call delay
--
-- movb $0xFB, %al # mask all irq's but irq2 which
-- outb %al, $0x21 # is cascaded
--
--# Well, that certainly wasn't fun :-(. Hopefully it works, and we don't
--# need no steenking BIOS anyway (except for the initial loading :-).
--# The BIOS-routine wants lots of unnecessary data, and it's less
--# "interesting" anyway. This is how REAL programmers do it.
--#
--# Well, now's the time to actually move into protected mode. To make
--# things as simple as possible, we do no register set-up or anything,
--# we let the gnu-compiled 32-bit programs do that. We just jump to
--# absolute address 0x1000 (or the loader supplied one),
--# in 32-bit protected mode.
--#
--# Note that the short jump isn't strictly needed, although there are
--# reasons why it might be a good idea. It won't hurt in any case.
-- movw $1, %ax # protected mode (PE) bit
-- lmsw %ax # This is it!
-- jmp flush_instr
--
--flush_instr:
-- xorw %bx, %bx # Flag to indicate a boot
-- xorl %esi, %esi # Pointer to real-mode code
-- movw %cs, %si
-- subw $DELTA_INITSEG, %si
-- shll $4, %esi # Convert to 32-bit pointer
--
--# jump to startup_32 in arch/i386/boot/compressed/head.S
--#
--# NOTE: For high loaded big kernels we need a
--# jmpi 0x100000,__BOOT_CS
--#
--# but we yet haven't reloaded the CS register, so the default size
--# of the target offset still is 16 bit.
--# However, using an operand prefix (0x66), the CPU will properly
--# take our 48 bit far pointer. (INTeL 80386 Programmer's Reference
--# Manual, Mixing 16-bit and 32-bit code, page 16-6)
--
-- .byte 0x66, 0xea # prefix + jmpi-opcode
--code32: .long startup_32 # will be set to %cs+startup_32
-- .word __BOOT_CS
--.code32
--startup_32:
-- movl $(__BOOT_DS), %eax
-- movl %eax, %ds
-- movl %eax, %es
-- movl %eax, %fs
-- movl %eax, %gs
-- movl %eax, %ss
--
-- xorl %eax, %eax
--1: incl %eax # check that A20 really IS enabled
-- movl %eax, 0x00000000 # loop forever if it isn't
-- cmpl %eax, 0x00100000
-- je 1b
--
-- # Jump to the 32bit entry point
-- jmpl *(code32_start - start + (DELTA_INITSEG << 4))(%esi)
--.code16
--
--# Here's a bunch of information about your current kernel..
--kernel_version: .ascii UTS_RELEASE
-- .ascii " ("
-- .ascii LINUX_COMPILE_BY
-- .ascii "@"
-- .ascii LINUX_COMPILE_HOST
-- .ascii ") "
-- .ascii UTS_VERSION
-- .byte 0
--
--# This is the default real mode switch routine.
--# to be called just before protected mode transition
--default_switch:
-- cli # no interrupts allowed !
-- movb $0x80, %al # disable NMI for bootup
-- # sequence
-- outb %al, $0x70
-- lret
--
--
--#ifndef CONFIG_X86_VOYAGER
--# This routine tests whether or not A20 is enabled. If so, it
--# exits with zf = 0.
--#
--# The memory address used, 0x200, is the int $0x80 vector, which
--# should be safe.
--
--A20_TEST_ADDR = 4*0x80
--
--a20_test:
-- pushw %cx
-- pushw %ax
-- xorw %cx, %cx
-- movw %cx, %fs # Low memory
-- decw %cx
-- movw %cx, %gs # High memory area
-- movw $A20_TEST_LOOPS, %cx
-- movw %fs:(A20_TEST_ADDR), %ax
-- pushw %ax
--a20_test_wait:
-- incw %ax
-- movw %ax, %fs:(A20_TEST_ADDR)
-- call delay # Serialize and make delay constant
-- cmpw %gs:(A20_TEST_ADDR+0x10), %ax
-- loope a20_test_wait
--
-- popw %fs:(A20_TEST_ADDR)
-- popw %ax
-- popw %cx
-- ret
--
--#endif /* CONFIG_X86_VOYAGER */
--
--# This routine checks that the keyboard command queue is empty
--# (after emptying the output buffers)
--#
--# Some machines have delusions that the keyboard buffer is always full
--# with no keyboard attached...
--#
--# If there is no keyboard controller, we will usually get 0xff
--# to all the reads. With each IO taking a microsecond and
--# a timeout of 100,000 iterations, this can take about half a
--# second ("delay" == outb to port 0x80). That should be ok,
--# and should also be plenty of time for a real keyboard controller
--# to empty.
--#
--
--empty_8042:
-- pushl %ecx
-- movl $100000, %ecx
--
--empty_8042_loop:
-- decl %ecx
-- jz empty_8042_end_loop
--
-- call delay
--
-- inb $0x64, %al # 8042 status port
-- testb $1, %al # output buffer?
-- jz no_output
--
-- call delay
-- inb $0x60, %al # read it
-- jmp empty_8042_loop
--
--no_output:
-- testb $2, %al # is input buffer full?
-- jnz empty_8042_loop # yes - loop
--empty_8042_end_loop:
-- popl %ecx
-- ret
--
--# Read the cmos clock. Return the seconds in al
--gettime:
-- pushw %cx
-- movb $0x02, %ah
-- int $0x1a
-- movb %dh, %al # %dh contains the seconds
-- andb $0x0f, %al
-- movb %dh, %ah
-- movb $0x04, %cl
-- shrb %cl, %ah
-- aad
-- popw %cx
-- ret
--
--# Delay is needed after doing I/O
--delay:
-- outb %al,$0x80
-- ret
--
--# Descriptor tables
--#
--# NOTE: The intel manual says gdt should be sixteen bytes aligned for
--# efficiency reasons. However, there are machines which are known not
--# to boot with misaligned GDTs, so alter this at your peril! If you alter
--# GDT_ENTRY_BOOT_CS (in asm/segment.h) remember to leave at least two
--# empty GDT entries (one for NULL and one reserved).
--#
--# NOTE: On some CPUs, the GDT must be 8 byte aligned. This is
--# true for the Voyager Quad CPU card which will not boot without
--# This directive. 16 byte aligment is recommended by intel.
--#
-- .align 16
--gdt:
-- .fill GDT_ENTRY_BOOT_CS,8,0
--
-- .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb)
-- .word 0 # base address = 0
-- .word 0x9A00 # code read/exec
-- .word 0x00CF # granularity = 4096, 386
-- # (+5th nibble of limit)
--
-- .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb)
-- .word 0 # base address = 0
-- .word 0x9200 # data read/write
-- .word 0x00CF # granularity = 4096, 386
-- # (+5th nibble of limit)
--gdt_end:
-- .align 4
--
-- .word 0 # alignment byte
--idt_48:
-- .word 0 # idt limit = 0
-- .word 0, 0 # idt base = 0L
--
-- .word 0 # alignment byte
--gdt_48:
-- .word gdt_end - gdt - 1 # gdt limit
-- .word 0, 0 # gdt base (filled in later)
--
--# Include video setup & detection code
--
--#include "video.S"
--
--# Setup signature -- must be last
--setup_sig1: .word SIG1
--setup_sig2: .word SIG2
--
--# After this point, there is some free space which is used by the video mode
--# handling code to store the temporary mode table (not used by the kernel).
--
--modelist:
--
--.text
--endtext:
--.data
--enddata:
--.bss
--endbss:
---- /dev/null
-+++ b/arch/i386/boot/setup.ld
-@@ -0,0 +1,54 @@
-+/*
-+ * setup.ld
-+ *
-+ * Linker script for the i386 setup code
-+ */
-+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
-+OUTPUT_ARCH(i386)
-+ENTRY(_start)
-+
-+SECTIONS
-+{
-+ . = 0;
-+ .bstext : { *(.bstext) }
-+ .bsdata : { *(.bsdata) }
-+
-+ . = 497;
-+ .header : { *(.header) }
-+ .inittext : { *(.inittext) }
-+ .initdata : { *(.initdata) }
-+ .text : { *(.text*) }
-+
-+ . = ALIGN(16);
-+ .rodata : { *(.rodata*) }
-+
-+ .videocards : {
-+ video_cards = .;
-+ *(.videocards)
-+ video_cards_end = .;
-+ }
-+
-+ . = ALIGN(16);
-+ .data : { *(.data*) }
-+
-+ .signature : {
-+ setup_sig = .;
-+ LONG(0x5a5aaa55)
-+ }
-+
-+
-+ . = ALIGN(16);
-+ .bss :
-+ {
-+ __bss_start = .;
-+ *(.bss)
-+ __bss_end = .;
-+ }
-+ . = ALIGN(16);
-+ _end = .;
-+
-+ /DISCARD/ : { *(.note*) }
-+
-+ . = ASSERT(_end <= 0x8000, "Setup too big!");
-+ . = ASSERT(hdr == 0x1f1, "The setup header has the wrong offset!");
-+}
---- /dev/null
-+++ b/arch/i386/boot/string.c
-@@ -0,0 +1,34 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/string.c
-+ *
-+ * Very basic string functions
-+ */
-+
-+#include "boot.h"
-+#include <linux/edd.h>
-+
-+int strcmp(const char *str1, const char *str2)
-+{
-+ const unsigned char *s1 = (const unsigned char *)str1;
-+ const unsigned char *s2 = (const unsigned char *)str2;
-+ int delta = 0;
-+
-+ while (*s1 || *s2) {
-+ delta = *s2 - *s1;
-+ if (delta)
-+ return delta;
-+ s1++;
-+ s2++;
-+ }
-+ return 0;
-+}
---- a/arch/i386/boot/tools/build.c
-+++ b/arch/i386/boot/tools/build.c
-@@ -1,13 +1,12 @@
- /*
- * Copyright (C) 1991, 1992 Linus Torvalds
- * Copyright (C) 1997 Martin Mares
-+ * Copyright (C) 2007 H. Peter Anvin
- */
-
- /*
- * This file builds a disk-image from three different files:
- *
-- * - bootsect: compatibility mbr which prints an error message if
-- * someone tries to boot the kernel directly.
- * - setup: 8086 machine code, sets up system parm
- * - system: 80386 code for actual system
- *
-@@ -21,6 +20,7 @@
- * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
- * Cross compiling fixes by Gertjan van Wingerde, July 1996
- * Rewritten by Martin Mares, April 1997
-+ * Substantially overhauled by H. Peter Anvin, April 2007
- */
-
- #include <stdio.h>
-@@ -32,23 +32,25 @@
- #include <sys/sysmacros.h>
- #include <unistd.h>
- #include <fcntl.h>
-+#include <sys/mman.h>
- #include <asm/boot.h>
-
--typedef unsigned char byte;
--typedef unsigned short word;
--typedef unsigned long u32;
-+typedef unsigned char u8;
-+typedef unsigned short u16;
-+typedef unsigned long u32;
-
- #define DEFAULT_MAJOR_ROOT 0
- #define DEFAULT_MINOR_ROOT 0
-
--/* Minimal number of setup sectors (see also bootsect.S) */
--#define SETUP_SECTS 4
-+/* Minimal number of setup sectors */
-+#define SETUP_SECT_MIN 5
-+#define SETUP_SECT_MAX 64
-
--byte buf[1024];
--int fd;
-+/* This must be large enough to hold the entire setup */
-+u8 buf[SETUP_SECT_MAX*512];
- int is_big_kernel;
-
--void die(const char * str, ...)
-+static void die(const char * str, ...)
- {
- va_list args;
- va_start(args, str);
-@@ -57,15 +59,9 @@
- exit(1);
- }
-
--void file_open(const char *name)
-+static void usage(void)
- {
-- if ((fd = open(name, O_RDONLY, 0)) < 0)
-- die("Unable to open `%s': %m", name);
--}
--
--void usage(void)
--{
-- die("Usage: build [-b] bootsect setup system [rootdev] [> image]");
-+ die("Usage: build [-b] setup system [rootdev] [> image]");
- }
-
- int main(int argc, char ** argv)
-@@ -73,27 +69,30 @@
- unsigned int i, sz, setup_sectors;
- int c;
- u32 sys_size;
-- byte major_root, minor_root;
-+ u8 major_root, minor_root;
- struct stat sb;
-+ FILE *file;
-+ int fd;
-+ void *kernel;
-
- if (argc > 2 && !strcmp(argv[1], "-b"))
- {
- is_big_kernel = 1;
- argc--, argv++;
- }
-- if ((argc < 4) || (argc > 5))
-+ if ((argc < 3) || (argc > 4))
- usage();
-- if (argc > 4) {
-- if (!strcmp(argv[4], "CURRENT")) {
-+ if (argc > 3) {
-+ if (!strcmp(argv[3], "CURRENT")) {
- if (stat("/", &sb)) {
- perror("/");
- die("Couldn't stat /");
- }
- major_root = major(sb.st_dev);
- minor_root = minor(sb.st_dev);
-- } else if (strcmp(argv[4], "FLOPPY")) {
-- if (stat(argv[4], &sb)) {
-- perror(argv[4]);
-+ } else if (strcmp(argv[3], "FLOPPY")) {
-+ if (stat(argv[3], &sb)) {
-+ perror(argv[3]);
- die("Couldn't stat root device.");
- }
- major_root = major(sb.st_rdev);
-@@ -108,79 +107,62 @@
- }
- fprintf(stderr, "Root device is (%d, %d)\n", major_root, minor_root);
-
-- file_open(argv[1]);
-- i = read(fd, buf, sizeof(buf));
-- fprintf(stderr,"Boot sector %d bytes.\n",i);
-- if (i != 512)
-- die("Boot block must be exactly 512 bytes");
-+ /* Copy the setup code */
-+ file = fopen(argv[1], "r");
-+ if (!file)
-+ die("Unable to open `%s': %m", argv[1]);
-+ c = fread(buf, 1, sizeof(buf), file);
-+ if (ferror(file))
-+ die("read-error on `setup'");
-+ if (c < 1024)
-+ die("The setup must be at least 1024 bytes");
- if (buf[510] != 0x55 || buf[511] != 0xaa)
- die("Boot block hasn't got boot flag (0xAA55)");
-+ fclose(file);
-+
-+ /* Pad unused space with zeros */
-+ setup_sectors = (c + 511) / 512;
-+ if (setup_sectors < SETUP_SECT_MIN)
-+ setup_sectors = SETUP_SECT_MIN;
-+ i = setup_sectors*512;
-+ memset(buf+c, 0, i-c);
-+
-+ /* Set the default root device */
- buf[508] = minor_root;
- buf[509] = major_root;
-- if (write(1, buf, 512) != 512)
-- die("Write call failed");
-- close (fd);
--
-- file_open(argv[2]); /* Copy the setup code */
-- for (i=0 ; (c=read(fd, buf, sizeof(buf)))>0 ; i+=c )
-- if (write(1, buf, c) != c)
-- die("Write call failed");
-- if (c != 0)
-- die("read-error on `setup'");
-- close (fd);
-
-- setup_sectors = (i + 511) / 512; /* Pad unused space with zeros */
-- /* for compatibility with ancient versions of LILO. */
-- if (setup_sectors < SETUP_SECTS)
-- setup_sectors = SETUP_SECTS;
-- fprintf(stderr, "Setup is %d bytes.\n", i);
-- memset(buf, 0, sizeof(buf));
-- while (i < setup_sectors * 512) {
-- c = setup_sectors * 512 - i;
-- if (c > sizeof(buf))
-- c = sizeof(buf);
-- if (write(1, buf, c) != c)
-- die("Write call failed");
-- i += c;
-- }
-+ fprintf(stderr, "Setup is %d bytes (padded to %d bytes).\n", c, i);
-
-- file_open(argv[3]);
-- if (fstat (fd, &sb))
-- die("Unable to stat `%s': %m", argv[3]);
-+ /* Open and stat the kernel file */
-+ fd = open(argv[2], O_RDONLY);
-+ if (fd < 0)
-+ die("Unable to open `%s': %m", argv[2]);
-+ if (fstat(fd, &sb))
-+ die("Unable to stat `%s': %m", argv[2]);
- sz = sb.st_size;
-- fprintf (stderr, "System is %d kB\n", sz/1024);
-+ fprintf (stderr, "System is %d kB\n", (sz+1023)/1024);
-+ kernel = mmap(NULL, sz, PROT_READ, MAP_SHARED, fd, 0);
-+ if (kernel == MAP_FAILED)
-+ die("Unable to mmap '%s': %m", argv[2]);
- sys_size = (sz + 15) / 16;
- if (!is_big_kernel && sys_size > DEF_SYSSIZE)
- die("System is too big. Try using bzImage or modules.");
-- while (sz > 0) {
-- int l, n;
-
-- l = (sz > sizeof(buf)) ? sizeof(buf) : sz;
-- if ((n=read(fd, buf, l)) != l) {
-- if (n < 0)
-- die("Error reading %s: %m", argv[3]);
-- else
-- die("%s: Unexpected EOF", argv[3]);
-- }
-- if (write(1, buf, l) != l)
-- die("Write failed");
-- sz -= l;
-- }
-+ /* Patch the setup code with the appropriate size parameters */
-+ buf[0x1f1] = setup_sectors-1;
-+ buf[0x1f4] = sys_size;
-+ buf[0x1f5] = sys_size >> 8;
-+ buf[0x1f6] = sys_size >> 16;
-+ buf[0x1f7] = sys_size >> 24;
-+
-+ if (fwrite(buf, 1, i, stdout) != i)
-+ die("Writing setup failed");
-+
-+ /* Copy the kernel code */
-+ if (fwrite(kernel, 1, sz, stdout) != sz)
-+ die("Writing kernel failed");
- close(fd);
-
-- if (lseek(1, 497, SEEK_SET) != 497) /* Write sizes to the bootsector */
-- die("Output: seek failed");
-- buf[0] = setup_sectors;
-- if (write(1, buf, 1) != 1)
-- die("Write of setup sector count failed");
-- if (lseek(1, 500, SEEK_SET) != 500)
-- die("Output: seek failed");
-- buf[0] = (sys_size & 0xff);
-- buf[1] = ((sys_size >> 8) & 0xff);
-- buf[2] = ((sys_size >> 16) & 0xff);
-- buf[3] = ((sys_size >> 24) & 0xff);
-- if (write(1, buf, 4) != 4)
-- die("Write of image length failed");
--
-- return 0; /* Everything is OK */
-+ /* Everything is OK */
-+ return 0;
- }
---- /dev/null
-+++ b/arch/i386/boot/tty.c
-@@ -0,0 +1,112 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/tty.c
-+ *
-+ * Very simple screen I/O
-+ * XXX: Probably should add very simple serial I/O?
-+ */
-+
-+#include "boot.h"
-+
-+/*
-+ * These functions are in .inittext so they can be used to signal
-+ * error during initialization.
-+ */
-+
-+void __attribute__((section(".inittext"))) putchar(int ch)
-+{
-+ unsigned char c = ch;
-+
-+ if (c == '\n')
-+ putchar('\r'); /* \n -> \r\n */
-+
-+ /* int $0x10 is known to have bugs involving touching registers
-+ it shouldn't. Be extra conservative... */
-+ asm volatile("pushal; int $0x10; popal"
-+ : : "b" (0x0007), "c" (0x0001), "a" (0x0e00|ch));
-+}
-+
-+void __attribute__((section(".inittext"))) puts(const char *str)
-+{
-+ int n = 0;
-+ while (*str) {
-+ putchar(*str++);
-+ n++;
-+ }
-+}
-+
-+/*
-+ * Read the CMOS clock through the BIOS, and return the
-+ * seconds in BCD.
-+ */
-+
-+static u8 gettime(void)
-+{
-+ u16 ax = 0x0200;
-+ u16 cx, dx;
-+
-+ asm("int $0x1a"
-+ : "+a" (ax), "=c" (cx), "=d" (dx)
-+ : : "ebx", "esi", "edi");
-+
-+ return dx >> 8;
-+}
-+
-+/*
-+ * Read from the keyboard
-+ */
-+int getchar(void)
-+{
-+ u16 ax = 0;
-+ asm("int $0x16" : "+a" (ax));
-+
-+ return ax & 0xff;
-+}
-+
-+static int kbd_pending(void)
-+{
-+ u8 pending;
-+ asm("int $0x16; setnz %0"
-+ : "=rm" (pending)
-+ : "a" (0x0100));
-+ return pending;
-+}
-+
-+void kbd_flush(void)
-+{
-+ for (;;) {
-+ if (!kbd_pending())
-+ break;
-+ getchar();
-+ }
-+}
-+
-+int getchar_timeout(void)
-+{
-+ int cnt = 30;
-+ int t0, t1;
-+
-+ t0 = gettime();
-+
-+ while (cnt) {
-+ if (kbd_pending())
-+ return getchar();
-+
-+ t1 = gettime();
-+ if (t0 != t1) {
-+ cnt--;
-+ t0 = t1;
-+ }
-+ }
-+
-+ return 0; /* Timeout! */
-+}
---- /dev/null
-+++ b/arch/i386/boot/version.c
-@@ -0,0 +1,23 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/version.c
-+ *
-+ * Kernel version string
-+ */
-+
-+#include "boot.h"
-+#include <linux/utsrelease.h>
-+#include <linux/compile.h>
-+
-+const char kernel_version[] =
-+ UTS_RELEASE " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ") "
-+ UTS_VERSION;
---- /dev/null
-+++ b/arch/i386/boot/vesa.h
-@@ -0,0 +1,79 @@
-+/* ----------------------------------------------------------------------- *
-+ *
-+ * Copyright 1999-2007 H. Peter Anvin - All Rights Reserved
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
-+ * Boston MA 02111-1307, USA; either version 2 of the License, or
-+ * (at your option) any later version; incorporated herein by reference.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+#ifndef BOOT_VESA_H
-+#define BOOT_VESA_H
-+
-+typedef struct {
-+ u16 off, seg;
-+} far_ptr;
-+
-+/* VESA General Information table */
-+struct vesa_general_info {
-+ u32 signature; /* 0 Magic number = "VESA" */
-+ u16 version; /* 4 */
-+ far_ptr vendor_string; /* 6 */
-+ u32 capabilities; /* 10 */
-+ far_ptr video_mode_ptr; /* 14 */
-+ u16 total_memory; /* 18 */
-+
-+ u16 oem_software_rev; /* 20 */
-+ far_ptr oem_vendor_name_ptr; /* 22 */
-+ far_ptr oem_product_name_ptr; /* 26 */
-+ far_ptr oem_product_rev_ptr; /* 30 */
-+
-+ u8 reserved[222]; /* 34 */
-+ u8 oem_data[256]; /* 256 */
-+} __attribute__((packed));
-+
-+#define VESA_MAGIC ('V' + ('E' << 8) + ('S' << 16) + ('A' << 24))
-+#define VBE2_MAGIC ('V' + ('B' << 8) + ('E' << 16) + ('2' << 24))
-+
-+struct vesa_mode_info {
-+ u16 mode_attr; /* 0 */
-+ u8 win_attr[2]; /* 2 */
-+ u16 win_grain; /* 4 */
-+ u16 win_size; /* 6 */
-+ u16 win_seg[2]; /* 8 */
-+ far_ptr win_scheme; /* 12 */
-+ u16 logical_scan; /* 16 */
-+
-+ u16 h_res; /* 18 */
-+ u16 v_res; /* 20 */
-+ u8 char_width; /* 22 */
-+ u8 char_height; /* 23 */
-+ u8 memory_planes; /* 24 */
-+ u8 bpp; /* 25 */
-+ u8 banks; /* 26 */
-+ u8 memory_layout; /* 27 */
-+ u8 bank_size; /* 28 */
-+ u8 image_planes; /* 29 */
-+ u8 page_function; /* 30 */
-+
-+ u8 rmask; /* 31 */
-+ u8 rpos; /* 32 */
-+ u8 gmask; /* 33 */
-+ u8 gpos; /* 34 */
-+ u8 bmask; /* 35 */
-+ u8 bpos; /* 36 */
-+ u8 resv_mask; /* 37 */
-+ u8 resv_pos; /* 38 */
-+ u8 dcm_info; /* 39 */
-+
-+ u32 lfb_ptr; /* 40 Linear frame buffer address */
-+ u32 offscreen_ptr; /* 44 Offscreen memory address */
-+ u16 offscreen_size; /* 48 */
-+
-+ u8 reserved[206]; /* 50 */
-+} __attribute__((packed));
-+
-+#endif /* LIB_SYS_VESA_H */
---- /dev/null
-+++ b/arch/i386/boot/video-bios.c
-@@ -0,0 +1,125 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/video-bios.c
-+ *
-+ * Standard video BIOS modes
-+ *
-+ * We have two options for this; silent and scanned.
-+ */
-+
-+#include "boot.h"
-+#include "video.h"
-+
-+__videocard video_bios;
-+
-+/* Set a conventional BIOS mode */
-+static int set_bios_mode(u8 mode);
-+
-+static int bios_set_mode(struct mode_info *mi)
-+{
-+ return set_bios_mode(mi->mode - VIDEO_FIRST_BIOS);
-+}
-+
-+static int set_bios_mode(u8 mode)
-+{
-+ u16 ax;
-+ u8 new_mode;
-+
-+ ax = mode; /* AH=0x00 Set Video Mode */
-+ asm volatile(INT10
-+ : "+a" (ax)
-+ : : "ebx", "ecx", "edx", "esi", "edi");
-+
-+ ax = 0x0f00; /* Get Current Video Mode */
-+ asm volatile(INT10
-+ : "+a" (ax)
-+ : : "ebx", "ecx", "edx", "esi", "edi");
-+
-+ do_restore = 1; /* Assume video contents was lost */
-+ new_mode = ax & 0x7f; /* Not all BIOSes are clean with the top bit */
-+
-+ if (new_mode == mode)
-+ return 0; /* Mode change OK */
-+
-+ if (new_mode != boot_params.screen_info.orig_video_mode) {
-+ /* Mode setting failed, but we didn't end up where we
-+ started. That's bad. Try to revert to the original
-+ video mode. */
-+ ax = boot_params.screen_info.orig_video_mode;
-+ asm volatile(INT10
-+ : "+a" (ax)
-+ : : "ebx", "ecx", "edx", "esi", "edi");
-+ }
-+ return -1;
-+}
-+
-+static int bios_probe(void)
-+{
-+ u8 mode;
-+ u8 saved_mode = boot_params.screen_info.orig_video_mode;
-+ u16 crtc;
-+ struct mode_info *mi;
-+ int nmodes = 0;
-+
-+ if (adapter != ADAPTER_EGA && adapter != ADAPTER_VGA)
-+ return 0;
-+
-+ set_fs(0);
-+ crtc = vga_crtc();
-+
-+ video_bios.modes = GET_HEAP(struct mode_info, 0);
-+
-+ for (mode = 0x14; mode <= 0x7f; mode++) {
-+ if (heap_free() < sizeof(struct mode_info))
-+ break;
-+
-+ if (mode_defined(VIDEO_FIRST_BIOS+mode))
-+ continue;
-+
-+ if (set_bios_mode(mode))
-+ continue;
-+
-+ /* Try to verify that it's a text mode. */
-+
-+ /* Attribute Controller: make graphics controller disabled */
-+ if (in_idx(0x3c0, 0x10) & 0x01)
-+ continue;
-+
-+ /* Graphics Controller: verify Alpha addressing enabled */
-+ if (in_idx(0x3ce, 0x06) & 0x01)
-+ continue;
-+
-+ /* CRTC cursor location low should be zero(?) */
-+ if (in_idx(crtc, 0x0f))
-+ continue;
-+
-+ mi = GET_HEAP(struct mode_info, 1);
-+ mi->mode = VIDEO_FIRST_BIOS+mode;
-+ mi->x = rdfs16(0x44a);
-+ mi->y = rdfs8(0x484)+1;
-+ nmodes++;
-+ }
-+
-+ set_bios_mode(saved_mode);
-+
-+ return nmodes;
-+}
-+
-+__videocard video_bios =
-+{
-+ .card_name = "BIOS (scanned)",
-+ .probe = bios_probe,
-+ .set_mode = bios_set_mode,
-+ .unsafe = 1,
-+ .xmode_first = VIDEO_FIRST_BIOS,
-+ .xmode_n = 0x80,
-+};
---- /dev/null
-+++ b/arch/i386/boot/video-vesa.c
-@@ -0,0 +1,283 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/video-vesa.c
-+ *
-+ * VESA text modes
-+ */
-+
-+#include "boot.h"
-+#include "video.h"
-+#include "vesa.h"
-+
-+/* VESA information */
-+static struct vesa_general_info vginfo;
-+static struct vesa_mode_info vminfo;
-+
-+__videocard video_vesa;
-+
-+static void vesa_store_mode_params_graphics(void);
-+
-+static int vesa_probe(void)
-+{
-+#ifdef CONFIG_VIDEO_VESA
-+ u16 ax;
-+ u16 mode;
-+ addr_t mode_ptr;
-+ struct mode_info *mi;
-+ int nmodes = 0;
-+
-+ video_vesa.modes = GET_HEAP(struct mode_info, 0);
-+
-+ vginfo.signature = VBE2_MAGIC;
-+
-+ /* Optimistically assume a VESA BIOS is register-clean... */
-+ ax = 0x4f00;
-+ asm("int $0x10" : "+a" (ax), "=m" (vginfo) : "D" (&vginfo));
-+
-+ if (ax != 0x004f ||
-+ vginfo.signature != VESA_MAGIC ||
-+ vginfo.version < 0x0102)
-+ return 0; /* Not present */
-+
-+ set_fs(vginfo.video_mode_ptr.seg);
-+ mode_ptr = vginfo.video_mode_ptr.off;
-+
-+ while ((mode = rdfs16(mode_ptr)) != 0xffff) {
-+ mode_ptr += 2;
-+
-+ if (heap_free() < sizeof(struct mode_info))
-+ break; /* Heap full, can't save mode info */
-+
-+ if (mode & ~0x1ff)
-+ continue;
-+
-+ memset(&vminfo, 0, sizeof vminfo); /* Just in case... */
-+
-+ ax = 0x4f01;
-+ asm("int $0x10"
-+ : "+a" (ax), "=m" (vminfo)
-+ : "c" (mode), "D" (&vminfo));
-+
-+ if (ax != 0x004f)
-+ continue;
-+
-+ if ((vminfo.mode_attr & 0x15) == 0x05) {
-+ /* Text Mode, TTY BIOS supported,
-+ supported by hardware */
-+ mi = GET_HEAP(struct mode_info, 1);
-+ mi->mode = mode + VIDEO_FIRST_VESA;
-+ mi->x = vminfo.h_res;
-+ mi->y = vminfo.v_res;
-+ nmodes++;
-+ } else if ((vminfo.mode_attr & 0x99) == 0x99) {
-+#ifdef CONFIG_FB
-+ /* Graphics mode, color, linear frame buffer
-+ supported -- register the mode but hide from
-+ the menu. Only do this if framebuffer is
-+ configured, however, otherwise the user will
-+ be left without a screen. */
-+ mi = GET_HEAP(struct mode_info, 1);
-+ mi->mode = mode + VIDEO_FIRST_VESA;
-+ mi->x = mi->y = 0;
-+ nmodes++;
-+#endif
-+ }
-+ }
-+
-+ return nmodes;
-+#else
-+ return 0;
-+#endif
-+}
-+
-+static int vesa_set_mode(struct mode_info *mode)
-+{
-+ u16 ax;
-+ int is_graphic;
-+ u16 vesa_mode = mode->mode - VIDEO_FIRST_VESA;
-+
-+ memset(&vminfo, 0, sizeof vminfo); /* Just in case... */
-+
-+ ax = 0x4f01;
-+ asm("int $0x10"
-+ : "+a" (ax), "=m" (vminfo)
-+ : "c" (vesa_mode), "D" (&vminfo));
-+
-+ if (ax != 0x004f)
-+ return -1;
-+
-+ if ((vminfo.mode_attr & 0x15) == 0x05) {
-+ /* It's a supported text mode */
-+ is_graphic = 0;
-+ } else if ((vminfo.mode_attr & 0x99) == 0x99) {
-+ /* It's a graphics mode with linear frame buffer */
-+ is_graphic = 1;
-+ vesa_mode |= 0x4000; /* Request linear frame buffer */
-+ } else {
-+ return -1; /* Invalid mode */
-+ }
-+
-+
-+ ax = 0x4f02;
-+ asm volatile("int $0x10"
-+ : "+a" (ax)
-+ : "b" (vesa_mode), "D" (0));
-+
-+ if (ax != 0x004f)
-+ return -1;
-+
-+ graphic_mode = is_graphic;
-+ if (!is_graphic) {
-+ /* Text mode */
-+ force_x = mode->x;
-+ force_y = mode->y;
-+ do_restore = 1;
-+ } else {
-+ /* Graphics mode */
-+ vesa_store_mode_params_graphics();
-+ }
-+
-+ return 0;
-+}
-+
-+
-+/* Switch DAC to 8-bit mode */
-+static void vesa_dac_set_8bits(void)
-+{
-+ u8 dac_size = 6;
-+
-+ /* If possible, switch the DAC to 8-bit mode */
-+ if (vginfo.capabilities & 1) {
-+ u16 ax, bx;
-+
-+ ax = 0x4f08;
-+ bx = 0x0800;
-+ asm volatile(INT10
-+ : "+a" (ax), "+b" (bx)
-+ : : "ecx", "edx", "esi", "edi");
-+
-+ if (ax == 0x004f)
-+ dac_size = bx >> 8;
-+ }
-+
-+ /* Set the color sizes to the DAC size, and offsets to 0 */
-+ boot_params.screen_info.red_size = dac_size;
-+ boot_params.screen_info.green_size = dac_size;
-+ boot_params.screen_info.blue_size = dac_size;
-+ boot_params.screen_info.rsvd_size = dac_size;
-+
-+ boot_params.screen_info.red_pos = 0;
-+ boot_params.screen_info.green_pos = 0;
-+ boot_params.screen_info.blue_pos = 0;
-+ boot_params.screen_info.rsvd_pos = 0;
-+}
-+
-+/* Save the VESA protected mode info */
-+static void vesa_store_pm_info(void)
-+{
-+ u16 ax, bx, di, es;
-+
-+ ax = 0x4f0a;
-+ bx = di = 0;
-+ asm("pushw %%es; "INT10"; movw %%es,%0; popw %%es"
-+ : "=d" (es), "+a" (ax), "+b" (bx), "+D" (di)
-+ : : "ecx", "esi");
-+
-+ if (ax != 0x004f)
-+ return;
-+
-+ boot_params.screen_info.vesapm_seg = es;
-+ boot_params.screen_info.vesapm_off = di;
-+}
-+
-+/*
-+ * Save video mode parameters for graphics mode
-+ */
-+static void vesa_store_mode_params_graphics(void)
-+{
-+ /* Tell the kernel we're in VESA graphics mode */
-+ boot_params.screen_info.orig_video_isVGA = 0x23;
-+
-+ /* Mode parameters */
-+ boot_params.screen_info.vesa_attributes = vminfo.mode_attr;
-+ boot_params.screen_info.lfb_linelength = vminfo.logical_scan;
-+ boot_params.screen_info.lfb_width = vminfo.h_res;
-+ boot_params.screen_info.lfb_height = vminfo.v_res;
-+ boot_params.screen_info.lfb_depth = vminfo.bpp;
-+ boot_params.screen_info.pages = vminfo.image_planes;
-+ boot_params.screen_info.lfb_base = vminfo.lfb_ptr;
-+ memcpy(&boot_params.screen_info.red_size,
-+ &vminfo.rmask, 8);
-+
-+ /* General parameters */
-+ boot_params.screen_info.lfb_size = vginfo.total_memory;
-+
-+ if (vminfo.bpp <= 8)
-+ vesa_dac_set_8bits();
-+
-+ vesa_store_pm_info();
-+}
-+
-+/*
-+ * Save EDID information for the kernel; this is invoked, separately,
-+ * after mode-setting.
-+ */
-+void vesa_store_edid(void)
-+{
-+#ifdef CONFIG_FIRMWARE_EDID
-+ u16 ax, bx, cx, dx, di;
-+
-+ /* Apparently used as a nonsense token... */
-+ memset(&boot_params.edid_info, 0x13, sizeof boot_params.edid_info);
-+
-+ if (vginfo.version < 0x0200)
-+ return; /* EDID requires VBE 2.0+ */
-+
-+ ax = 0x4f15; /* VBE DDC */
-+ bx = 0x0000; /* Report DDC capabilities */
-+ cx = 0; /* Controller 0 */
-+ di = 0; /* ES:DI must be 0 by spec */
-+
-+ /* Note: The VBE DDC spec is different from the main VESA spec;
-+ we genuinely have to assume all registers are destroyed here. */
-+
-+ asm("pushw %%es; movw %2,%%es; "INT10"; popw %%es"
-+ : "+a" (ax), "+b" (bx)
-+ : "c" (cx), "D" (di)
-+ : "esi");
-+
-+ if (ax != 0x004f)
-+ return; /* No EDID */
-+
-+ /* BH = time in seconds to transfer EDD information */
-+ /* BL = DDC level supported */
-+
-+ ax = 0x4f15; /* VBE DDC */
-+ bx = 0x0001; /* Read EDID */
-+ cx = 0; /* Controller 0 */
-+ dx = 0; /* EDID block number */
-+ di =(size_t) &boot_params.edid_info; /* (ES:)Pointer to block */
-+ asm(INT10
-+ : "+a" (ax), "+b" (bx), "+d" (dx)
-+ : "c" (cx), "D" (di)
-+ : "esi");
-+#endif /* CONFIG_FIRMWARE_EDID */
-+}
-+
-+__videocard video_vesa =
-+{
-+ .card_name = "VESA",
-+ .probe = vesa_probe,
-+ .set_mode = vesa_set_mode,
-+ .xmode_first = VIDEO_FIRST_VESA,
-+ .xmode_n = 0x200,
-+};
---- /dev/null
-+++ b/arch/i386/boot/video-vga.c
-@@ -0,0 +1,260 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/video-vga.c
-+ *
-+ * Common all-VGA modes
-+ */
-+
-+#include "boot.h"
-+#include "video.h"
-+
-+static struct mode_info vga_modes[] = {
-+ { VIDEO_80x25, 80, 25 },
-+ { VIDEO_8POINT, 80, 50 },
-+ { VIDEO_80x43, 80, 43 },
-+ { VIDEO_80x28, 80, 28 },
-+ { VIDEO_80x30, 80, 30 },
-+ { VIDEO_80x34, 80, 34 },
-+ { VIDEO_80x60, 80, 60 },
-+};
-+
-+static struct mode_info ega_modes[] = {
-+ { VIDEO_80x25, 80, 25 },
-+ { VIDEO_8POINT, 80, 43 },
-+};
-+
-+static struct mode_info cga_modes[] = {
-+ { VIDEO_80x25, 80, 25 },
-+};
-+
-+__videocard video_vga;
-+
-+/* Set basic 80x25 mode */
-+static u8 vga_set_basic_mode(void)
-+{
-+ u16 ax;
-+ u8 rows;
-+ u8 mode;
-+
-+#ifdef CONFIG_VIDEO_400_HACK
-+ if (adapter >= ADAPTER_VGA) {
-+ asm(INT10
-+ : : "a" (0x1202), "b" (0x0030)
-+ : "ecx", "edx", "esi", "edi");
-+ }
-+#endif
-+
-+ ax = 0x0f00;
-+ asm(INT10
-+ : "+a" (ax)
-+ : : "ebx", "ecx", "edx", "esi", "edi");
-+
-+ mode = (u8)ax;
-+
-+ set_fs(0);
-+ rows = rdfs8(0x484); /* rows minus one */
-+
-+#ifndef CONFIG_VIDEO_400_HACK
-+ if ((ax == 0x5003 || ax == 0x5007) &&
-+ (rows == 0 || rows == 24))
-+ return mode;
-+#endif
-+
-+ if (mode != 3 && mode != 7)
-+ mode = 3;
-+
-+ /* Set the mode */
-+ asm volatile(INT10
-+ : : "a" (mode)
-+ : "ebx", "ecx", "edx", "esi", "edi");
-+ do_restore = 1;
-+ return mode;
-+}
-+
-+static void vga_set_8font(void)
-+{
-+ /* Set 8x8 font - 80x43 on EGA, 80x50 on VGA */
-+
-+ /* Set 8x8 font */
-+ asm volatile(INT10 : : "a" (0x1112), "b" (0));
-+
-+ /* Use alternate print screen */
-+ asm volatile(INT10 : : "a" (0x1200), "b" (0x20));
-+
-+ /* Turn off cursor emulation */
-+ asm volatile(INT10 : : "a" (0x1201), "b" (0x34));
-+
-+ /* Cursor is scan lines 6-7 */
-+ asm volatile(INT10 : : "a" (0x0100), "c" (0x0607));
-+}
-+
-+static void vga_set_14font(void)
-+{
-+ /* Set 9x14 font - 80x28 on VGA */
-+
-+ /* Set 9x14 font */
-+ asm volatile(INT10 : : "a" (0x1111), "b" (0));
-+
-+ /* Turn off cursor emulation */
-+ asm volatile(INT10 : : "a" (0x1201), "b" (0x34));
-+
-+ /* Cursor is scan lines 11-12 */
-+ asm volatile(INT10 : : "a" (0x0100), "c" (0x0b0c));
-+}
-+
-+static void vga_set_80x43(void)
-+{
-+ /* Set 80x43 mode on VGA (not EGA) */
-+
-+ /* Set 350 scans */
-+ asm volatile(INT10 : : "a" (0x1201), "b" (0x30));
-+
-+ /* Reset video mode */
-+ asm volatile(INT10 : : "a" (0x0003));
-+
-+ vga_set_8font();
-+}
-+
-+/* I/O address of the VGA CRTC */
-+u16 vga_crtc(void)
-+{
-+ return (inb(0x3cc) & 1) ? 0x3d4 : 0x3b4;
-+}
-+
-+static void vga_set_480_scanlines(int end)
-+{
-+ u16 crtc;
-+ u8 csel;
-+
-+ crtc = vga_crtc();
-+
-+ out_idx(0x0c, crtc, 0x11); /* Vertical sync end, unlock CR0-7 */
-+ out_idx(0x0b, crtc, 0x06); /* Vertical total */
-+ out_idx(0x3e, crtc, 0x07); /* Vertical overflow */
-+ out_idx(0xea, crtc, 0x10); /* Vertical sync start */
-+ out_idx(end, crtc, 0x12); /* Vertical display end */
-+ out_idx(0xe7, crtc, 0x15); /* Vertical blank start */
-+ out_idx(0x04, crtc, 0x16); /* Vertical blank end */
-+ csel = inb(0x3cc);
-+ csel &= 0x0d;
-+ csel |= 0xe2;
-+ outb(csel, 0x3cc);
-+}
-+
-+static void vga_set_80x30(void)
-+{
-+ vga_set_480_scanlines(0xdf);
-+}
-+
-+static void vga_set_80x34(void)
-+{
-+ vga_set_14font();
-+ vga_set_480_scanlines(0xdb);
-+}
-+
-+static void vga_set_80x60(void)
-+{
-+ vga_set_8font();
-+ vga_set_480_scanlines(0xdf);
-+}
-+
-+static int vga_set_mode(struct mode_info *mode)
-+{
-+ /* Set the basic mode */
-+ vga_set_basic_mode();
-+
-+ /* Override a possibly broken BIOS */
-+ force_x = mode->x;
-+ force_y = mode->y;
-+
-+ switch (mode->mode) {
-+ case VIDEO_80x25:
-+ break;
-+ case VIDEO_8POINT:
-+ vga_set_8font();
-+ break;
-+ case VIDEO_80x43:
-+ vga_set_80x43();
-+ break;
-+ case VIDEO_80x28:
-+ vga_set_14font();
-+ break;
-+ case VIDEO_80x30:
-+ vga_set_80x30();
-+ break;
-+ case VIDEO_80x34:
-+ vga_set_80x34();
-+ break;
-+ case VIDEO_80x60:
-+ vga_set_80x60();
-+ break;
-+ }
-+
-+ return 0;
-+}
-+
-+/*
-+ * Note: this probe includes basic information required by all
-+ * systems. It should be executed first, by making sure
-+ * video-vga.c is listed first in the Makefile.
-+ */
-+static int vga_probe(void)
-+{
-+ static const char *card_name[] = {
-+ "CGA/MDA/HGC", "EGA", "VGA"
-+ };
-+ static struct mode_info *mode_lists[] = {
-+ cga_modes,
-+ ega_modes,
-+ vga_modes,
-+ };
-+ static int mode_count[] = {
-+ sizeof(cga_modes)/sizeof(struct mode_info),
-+ sizeof(ega_modes)/sizeof(struct mode_info),
-+ sizeof(vga_modes)/sizeof(struct mode_info),
-+ };
-+ u8 vga_flag;
-+
-+ asm(INT10
-+ : "=b" (boot_params.screen_info.orig_video_ega_bx)
-+ : "a" (0x1200), "b" (0x10) /* Check EGA/VGA */
-+ : "ecx", "edx", "esi", "edi");
-+
-+ /* If we have MDA/CGA/HGC then BL will be unchanged at 0x10 */
-+ if ((u8)boot_params.screen_info.orig_video_ega_bx != 0x10) {
-+ /* EGA/VGA */
-+ asm(INT10
-+ : "=a" (vga_flag)
-+ : "a" (0x1a00)
-+ : "ebx", "ecx", "edx", "esi", "edi");
-+
-+ if (vga_flag == 0x1a) {
-+ adapter = ADAPTER_VGA;
-+ boot_params.screen_info.orig_video_isVGA = 1;
-+ } else {
-+ adapter = ADAPTER_EGA;
-+ }
-+ } else {
-+ adapter = ADAPTER_CGA;
-+ }
-+
-+ video_vga.modes = mode_lists[adapter];
-+ video_vga.card_name = card_name[adapter];
-+ return mode_count[adapter];
-+}
-+
-+__videocard video_vga =
-+{
-+ .card_name = "VGA",
-+ .probe = vga_probe,
-+ .set_mode = vga_set_mode,
-+};
---- a/arch/i386/boot/video.S
-+++ /dev/null
-@@ -1,2043 +0,0 @@
--/* video.S
-- *
-- * Display adapter & video mode setup, version 2.13 (14-May-99)
-- *
-- * Copyright (C) 1995 -- 1998 Martin Mares <mj@ucw.cz>
-- * Based on the original setup.S code (C) Linus Torvalds and Mats Anderson
-- *
-- * Rewritten to use GNU 'as' by Chris Noe <stiker@northlink.com> May 1999
-- *
-- * For further information, look at Documentation/svga.txt.
-- *
-- */
--
--/* Enable autodetection of SVGA adapters and modes. */
--#undef CONFIG_VIDEO_SVGA
--
--/* Enable autodetection of VESA modes */
--#define CONFIG_VIDEO_VESA
--
--/* Enable compacting of mode table */
--#define CONFIG_VIDEO_COMPACT
--
--/* Retain screen contents when switching modes */
--#define CONFIG_VIDEO_RETAIN
--
--/* Enable local mode list */
--#undef CONFIG_VIDEO_LOCAL
--
--/* Force 400 scan lines for standard modes (hack to fix bad BIOS behaviour */
--#undef CONFIG_VIDEO_400_HACK
--
--/* Hack that lets you force specific BIOS mode ID and specific dimensions */
--#undef CONFIG_VIDEO_GFX_HACK
--#define VIDEO_GFX_BIOS_AX 0x4f02 /* 800x600 on ThinkPad */
--#define VIDEO_GFX_BIOS_BX 0x0102
--#define VIDEO_GFX_DUMMY_RESOLUTION 0x6425 /* 100x37 */
--
--/* This code uses an extended set of video mode numbers. These include:
-- * Aliases for standard modes
-- * NORMAL_VGA (-1)
-- * EXTENDED_VGA (-2)
-- * ASK_VGA (-3)
-- * Video modes numbered by menu position -- NOT RECOMMENDED because of lack
-- * of compatibility when extending the table. These are between 0x00 and 0xff.
-- */
--#define VIDEO_FIRST_MENU 0x0000
--
--/* Standard BIOS video modes (BIOS number + 0x0100) */
--#define VIDEO_FIRST_BIOS 0x0100
--
--/* VESA BIOS video modes (VESA number + 0x0200) */
--#define VIDEO_FIRST_VESA 0x0200
--
--/* Video7 special modes (BIOS number + 0x0900) */
--#define VIDEO_FIRST_V7 0x0900
--
--/* Special video modes */
--#define VIDEO_FIRST_SPECIAL 0x0f00
--#define VIDEO_80x25 0x0f00
--#define VIDEO_8POINT 0x0f01
--#define VIDEO_80x43 0x0f02
--#define VIDEO_80x28 0x0f03
--#define VIDEO_CURRENT_MODE 0x0f04
--#define VIDEO_80x30 0x0f05
--#define VIDEO_80x34 0x0f06
--#define VIDEO_80x60 0x0f07
--#define VIDEO_GFX_HACK 0x0f08
--#define VIDEO_LAST_SPECIAL 0x0f09
--
--/* Video modes given by resolution */
--#define VIDEO_FIRST_RESOLUTION 0x1000
--
--/* The "recalculate timings" flag */
--#define VIDEO_RECALC 0x8000
--
--/* Positions of various video parameters passed to the kernel */
--/* (see also include/linux/tty.h) */
--#define PARAM_CURSOR_POS 0x00
--#define PARAM_VIDEO_PAGE 0x04
--#define PARAM_VIDEO_MODE 0x06
--#define PARAM_VIDEO_COLS 0x07
--#define PARAM_VIDEO_EGA_BX 0x0a
--#define PARAM_VIDEO_LINES 0x0e
--#define PARAM_HAVE_VGA 0x0f
--#define PARAM_FONT_POINTS 0x10
--
--#define PARAM_LFB_WIDTH 0x12
--#define PARAM_LFB_HEIGHT 0x14
--#define PARAM_LFB_DEPTH 0x16
--#define PARAM_LFB_BASE 0x18
--#define PARAM_LFB_SIZE 0x1c
--#define PARAM_LFB_LINELENGTH 0x24
--#define PARAM_LFB_COLORS 0x26
--#define PARAM_VESAPM_SEG 0x2e
--#define PARAM_VESAPM_OFF 0x30
--#define PARAM_LFB_PAGES 0x32
--#define PARAM_VESA_ATTRIB 0x34
--#define PARAM_CAPABILITIES 0x36
--
--/* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
--#ifdef CONFIG_VIDEO_RETAIN
--#define DO_STORE call store_screen
--#else
--#define DO_STORE
--#endif /* CONFIG_VIDEO_RETAIN */
--
--# This is the main entry point called by setup.S
--# %ds *must* be pointing to the bootsector
--video: pushw %ds # We use different segments
-- pushw %ds # FS contains original DS
-- popw %fs
-- pushw %cs # DS is equal to CS
-- popw %ds
-- pushw %cs # ES is equal to CS
-- popw %es
-- xorw %ax, %ax
-- movw %ax, %gs # GS is zero
-- cld
-- call basic_detect # Basic adapter type testing (EGA/VGA/MDA/CGA)
--#ifdef CONFIG_VIDEO_SELECT
-- movw %fs:(0x01fa), %ax # User selected video mode
-- cmpw $ASK_VGA, %ax # Bring up the menu
-- jz vid2
--
-- call mode_set # Set the mode
-- jc vid1
--
-- leaw badmdt, %si # Invalid mode ID
-- call prtstr
--vid2: call mode_menu
--vid1:
--#ifdef CONFIG_VIDEO_RETAIN
-- call restore_screen # Restore screen contents
--#endif /* CONFIG_VIDEO_RETAIN */
-- call store_edid
--#endif /* CONFIG_VIDEO_SELECT */
-- call mode_params # Store mode parameters
-- popw %ds # Restore original DS
-- ret
--
--# Detect if we have CGA, MDA, EGA or VGA and pass it to the kernel.
--basic_detect:
-- movb $0, %fs:(PARAM_HAVE_VGA)
-- movb $0x12, %ah # Check EGA/VGA
-- movb $0x10, %bl
-- int $0x10
-- movw %bx, %fs:(PARAM_VIDEO_EGA_BX) # Identifies EGA to the kernel
-- cmpb $0x10, %bl # No, it's a CGA/MDA/HGA card.
-- je basret
--
-- incb adapter
-- movw $0x1a00, %ax # Check EGA or VGA?
-- int $0x10
-- cmpb $0x1a, %al # 1a means VGA...
-- jne basret # anything else is EGA.
--
-- incb %fs:(PARAM_HAVE_VGA) # We've detected a VGA
-- incb adapter
--basret: ret
--
--# Store the video mode parameters for later usage by the kernel.
--# This is done by asking the BIOS except for the rows/columns
--# parameters in the default 80x25 mode -- these are set directly,
--# because some very obscure BIOSes supply insane values.
--mode_params:
--#ifdef CONFIG_VIDEO_SELECT
-- cmpb $0, graphic_mode
-- jnz mopar_gr
--#endif
-- movb $0x03, %ah # Read cursor position
-- xorb %bh, %bh
-- int $0x10
-- movw %dx, %fs:(PARAM_CURSOR_POS)
-- movb $0x0f, %ah # Read page/mode/width
-- int $0x10
-- movw %bx, %fs:(PARAM_VIDEO_PAGE)
-- movw %ax, %fs:(PARAM_VIDEO_MODE) # Video mode and screen width
-- cmpb $0x7, %al # MDA/HGA => segment differs
-- jnz mopar0
--
-- movw $0xb000, video_segment
--mopar0: movw %gs:(0x485), %ax # Font size
-- movw %ax, %fs:(PARAM_FONT_POINTS) # (valid only on EGA/VGA)
-- movw force_size, %ax # Forced size?
-- orw %ax, %ax
-- jz mopar1
--
-- movb %ah, %fs:(PARAM_VIDEO_COLS)
-- movb %al, %fs:(PARAM_VIDEO_LINES)
-- ret
--
--mopar1: movb $25, %al
-- cmpb $0, adapter # If we are on CGA/MDA/HGA, the
-- jz mopar2 # screen must have 25 lines.
--
-- movb %gs:(0x484), %al # On EGA/VGA, use the EGA+ BIOS
-- incb %al # location of max lines.
--mopar2: movb %al, %fs:(PARAM_VIDEO_LINES)
-- ret
--
--#ifdef CONFIG_VIDEO_SELECT
--# Fetching of VESA frame buffer parameters
--mopar_gr:
-- leaw modelist+1024, %di
-- movb $0x23, %fs:(PARAM_HAVE_VGA)
-- movw 16(%di), %ax
-- movw %ax, %fs:(PARAM_LFB_LINELENGTH)
-- movw 18(%di), %ax
-- movw %ax, %fs:(PARAM_LFB_WIDTH)
-- movw 20(%di), %ax
-- movw %ax, %fs:(PARAM_LFB_HEIGHT)
-- movb 25(%di), %al
-- movb $0, %ah
-- movw %ax, %fs:(PARAM_LFB_DEPTH)
-- movb 29(%di), %al
-- movb $0, %ah
-- movw %ax, %fs:(PARAM_LFB_PAGES)
-- movl 40(%di), %eax
-- movl %eax, %fs:(PARAM_LFB_BASE)
-- movl 31(%di), %eax
-- movl %eax, %fs:(PARAM_LFB_COLORS)
-- movl 35(%di), %eax
-- movl %eax, %fs:(PARAM_LFB_COLORS+4)
-- movw 0(%di), %ax
-- movw %ax, %fs:(PARAM_VESA_ATTRIB)
--
--# get video mem size
-- leaw modelist+1024, %di
-- movw $0x4f00, %ax
-- int $0x10
-- xorl %eax, %eax
-- movw 18(%di), %ax
-- movl %eax, %fs:(PARAM_LFB_SIZE)
--
--# store mode capabilities
-- movl 10(%di), %eax
-- movl %eax, %fs:(PARAM_CAPABILITIES)
--
--# switching the DAC to 8-bit is for <= 8 bpp only
-- movw %fs:(PARAM_LFB_DEPTH), %ax
-- cmpw $8, %ax
-- jg dac_done
--
--# get DAC switching capability
-- xorl %eax, %eax
-- movb 10(%di), %al
-- testb $1, %al
-- jz dac_set
--
--# attempt to switch DAC to 8-bit
-- movw $0x4f08, %ax
-- movw $0x0800, %bx
-- int $0x10
-- cmpw $0x004f, %ax
-- jne dac_set
-- movb %bh, dac_size # store actual DAC size
--
--dac_set:
--# set color size to DAC size
-- movb dac_size, %al
-- movb %al, %fs:(PARAM_LFB_COLORS+0)
-- movb %al, %fs:(PARAM_LFB_COLORS+2)
-- movb %al, %fs:(PARAM_LFB_COLORS+4)
-- movb %al, %fs:(PARAM_LFB_COLORS+6)
--
--# set color offsets to 0
-- movb $0, %fs:(PARAM_LFB_COLORS+1)
-- movb $0, %fs:(PARAM_LFB_COLORS+3)
-- movb $0, %fs:(PARAM_LFB_COLORS+5)
-- movb $0, %fs:(PARAM_LFB_COLORS+7)
--
--dac_done:
--# get protected mode interface informations
-- movw $0x4f0a, %ax
-- xorw %bx, %bx
-- xorw %di, %di
-- int $0x10
-- cmp $0x004f, %ax
-- jnz no_pm
--
-- movw %es, %fs:(PARAM_VESAPM_SEG)
-- movw %di, %fs:(PARAM_VESAPM_OFF)
--no_pm: ret
--
--# The video mode menu
--mode_menu:
-- leaw keymsg, %si # "Return/Space/Timeout" message
-- call prtstr
-- call flush
--nokey: call getkt
--
-- cmpb $0x0d, %al # ENTER ?
-- je listm # yes - manual mode selection
--
-- cmpb $0x20, %al # SPACE ?
-- je defmd1 # no - repeat
--
-- call beep
-- jmp nokey
--
--defmd1: ret # No mode chosen? Default 80x25
--
--listm: call mode_table # List mode table
--listm0: leaw name_bann, %si # Print adapter name
-- call prtstr
-- movw card_name, %si
-- orw %si, %si
-- jnz an2
--
-- movb adapter, %al
-- leaw old_name, %si
-- orb %al, %al
-- jz an1
--
-- leaw ega_name, %si
-- decb %al
-- jz an1
--
-- leaw vga_name, %si
-- jmp an1
--
--an2: call prtstr
-- leaw svga_name, %si
--an1: call prtstr
-- leaw listhdr, %si # Table header
-- call prtstr
-- movb $0x30, %dl # DL holds mode number
-- leaw modelist, %si
--lm1: cmpw $ASK_VGA, (%si) # End?
-- jz lm2
--
-- movb %dl, %al # Menu selection number
-- call prtchr
-- call prtsp2
-- lodsw
-- call prthw # Mode ID
-- call prtsp2
-- movb 0x1(%si), %al
-- call prtdec # Rows
-- movb $0x78, %al # the letter 'x'
-- call prtchr
-- lodsw
-- call prtdec # Columns
-- movb $0x0d, %al # New line
-- call prtchr
-- movb $0x0a, %al
-- call prtchr
-- incb %dl # Next character
-- cmpb $0x3a, %dl
-- jnz lm1
--
-- movb $0x61, %dl
-- jmp lm1
--
--lm2: leaw prompt, %si # Mode prompt
-- call prtstr
-- leaw edit_buf, %di # Editor buffer
--lm3: call getkey
-- cmpb $0x0d, %al # Enter?
-- jz lment
--
-- cmpb $0x08, %al # Backspace?
-- jz lmbs
--
-- cmpb $0x20, %al # Printable?
-- jc lm3
--
-- cmpw $edit_buf+4, %di # Enough space?
-- jz lm3
--
-- stosb
-- call prtchr
-- jmp lm3
--
--lmbs: cmpw $edit_buf, %di # Backspace
-- jz lm3
--
-- decw %di
-- movb $0x08, %al
-- call prtchr
-- call prtspc
-- movb $0x08, %al
-- call prtchr
-- jmp lm3
--
--lment: movb $0, (%di)
-- leaw crlft, %si
-- call prtstr
-- leaw edit_buf, %si
-- cmpb $0, (%si) # Empty string = default mode
-- jz lmdef
--
-- cmpb $0, 1(%si) # One character = menu selection
-- jz mnusel
--
-- cmpw $0x6373, (%si) # "scan" => mode scanning
-- jnz lmhx
--
-- cmpw $0x6e61, 2(%si)
-- jz lmscan
--
--lmhx: xorw %bx, %bx # Else => mode ID in hex
--lmhex: lodsb
-- orb %al, %al
-- jz lmuse1
--
-- subb $0x30, %al
-- jc lmbad
--
-- cmpb $10, %al
-- jc lmhx1
--
-- subb $7, %al
-- andb $0xdf, %al
-- cmpb $10, %al
-- jc lmbad
--
-- cmpb $16, %al
-- jnc lmbad
--
--lmhx1: shlw $4, %bx
-- orb %al, %bl
-- jmp lmhex
--
--lmuse1: movw %bx, %ax
-- jmp lmuse
--
--mnusel: lodsb # Menu selection
-- xorb %ah, %ah
-- subb $0x30, %al
-- jc lmbad
--
-- cmpb $10, %al
-- jc lmuse
--
-- cmpb $0x61-0x30, %al
-- jc lmbad
--
-- subb $0x61-0x30-10, %al
-- cmpb $36, %al
-- jnc lmbad
--
--lmuse: call mode_set
-- jc lmdef
--
--lmbad: leaw unknt, %si
-- call prtstr
-- jmp lm2
--lmscan: cmpb $0, adapter # Scanning only on EGA/VGA
-- jz lmbad
--
-- movw $0, mt_end # Scanning of modes is
-- movb $1, scanning # done as new autodetection.
-- call mode_table
-- jmp listm0
--lmdef: ret
--
--# Additional parts of mode_set... (relative jumps, you know)
--setv7: # Video7 extended modes
-- DO_STORE
-- subb $VIDEO_FIRST_V7>>8, %bh
-- movw $0x6f05, %ax
-- int $0x10
-- stc
-- ret
--
--_setrec: jmp setrec # Ugly...
--_set_80x25: jmp set_80x25
--
--# Aliases for backward compatibility.
--setalias:
-- movw $VIDEO_80x25, %ax
-- incw %bx
-- jz mode_set
--
-- movb $VIDEO_8POINT-VIDEO_FIRST_SPECIAL, %al
-- incw %bx
-- jnz setbad # Fall-through!
--
--# Setting of user mode (AX=mode ID) => CF=success
--mode_set:
-- movw %ax, %fs:(0x01fa) # Store mode for use in acpi_wakeup.S
-- movw %ax, %bx
-- cmpb $0xff, %ah
-- jz setalias
--
-- testb $VIDEO_RECALC>>8, %ah
-- jnz _setrec
--
-- cmpb $VIDEO_FIRST_RESOLUTION>>8, %ah
-- jnc setres
--
-- cmpb $VIDEO_FIRST_SPECIAL>>8, %ah
-- jz setspc
--
-- cmpb $VIDEO_FIRST_V7>>8, %ah
-- jz setv7
--
-- cmpb $VIDEO_FIRST_VESA>>8, %ah
-- jnc check_vesa
--
-- orb %ah, %ah
-- jz setmenu
--
-- decb %ah
-- jz setbios
--
--setbad: clc
-- movb $0, do_restore # The screen needn't be restored
-- ret
--
--setvesa:
-- DO_STORE
-- subb $VIDEO_FIRST_VESA>>8, %bh
-- movw $0x4f02, %ax # VESA BIOS mode set call
-- int $0x10
-- cmpw $0x004f, %ax # AL=4f if implemented
-- jnz setbad # AH=0 if OK
--
-- stc
-- ret
--
--setbios:
-- DO_STORE
-- int $0x10 # Standard BIOS mode set call
-- pushw %bx
-- movb $0x0f, %ah # Check if really set
-- int $0x10
-- popw %bx
-- cmpb %bl, %al
-- jnz setbad
--
-- stc
-- ret
--
--setspc: xorb %bh, %bh # Set special mode
-- cmpb $VIDEO_LAST_SPECIAL-VIDEO_FIRST_SPECIAL, %bl
-- jnc setbad
--
-- addw %bx, %bx
-- jmp *spec_inits(%bx)
--
--setmenu:
-- orb %al, %al # 80x25 is an exception
-- jz _set_80x25
--
-- pushw %bx # Set mode chosen from menu
-- call mode_table # Build the mode table
-- popw %ax
-- shlw $2, %ax
-- addw %ax, %si
-- cmpw %di, %si
-- jnc setbad
--
-- movw (%si), %ax # Fetch mode ID
--_m_s: jmp mode_set
--
--setres: pushw %bx # Set mode chosen by resolution
-- call mode_table
-- popw %bx
-- xchgb %bl, %bh
--setr1: lodsw
-- cmpw $ASK_VGA, %ax # End of the list?
-- jz setbad
--
-- lodsw
-- cmpw %bx, %ax
-- jnz setr1
--
-- movw -4(%si), %ax # Fetch mode ID
-- jmp _m_s
--
--check_vesa:
--#ifdef CONFIG_FIRMWARE_EDID
-- leaw modelist+1024, %di
-- movw $0x4f00, %ax
-- int $0x10
-- cmpw $0x004f, %ax
-- jnz setbad
--
-- movw 4(%di), %ax
-- movw %ax, vbe_version
--#endif
-- leaw modelist+1024, %di
-- subb $VIDEO_FIRST_VESA>>8, %bh
-- movw %bx, %cx # Get mode information structure
-- movw $0x4f01, %ax
-- int $0x10
-- addb $VIDEO_FIRST_VESA>>8, %bh
-- cmpw $0x004f, %ax
-- jnz setbad
--
-- movb (%di), %al # Check capabilities.
-- andb $0x19, %al
-- cmpb $0x09, %al
-- jz setvesa # This is a text mode
--
-- movb (%di), %al # Check capabilities.
-- andb $0x99, %al
-- cmpb $0x99, %al
-- jnz _setbad # Doh! No linear frame buffer.
--
-- subb $VIDEO_FIRST_VESA>>8, %bh
-- orw $0x4000, %bx # Use linear frame buffer
-- movw $0x4f02, %ax # VESA BIOS mode set call
-- int $0x10
-- cmpw $0x004f, %ax # AL=4f if implemented
-- jnz _setbad # AH=0 if OK
--
-- movb $1, graphic_mode # flag graphic mode
-- movb $0, do_restore # no screen restore
-- stc
-- ret
--
--_setbad: jmp setbad # Ugly...
--
--# Recalculate vertical display end registers -- this fixes various
--# inconsistencies of extended modes on many adapters. Called when
--# the VIDEO_RECALC flag is set in the mode ID.
--
--setrec: subb $VIDEO_RECALC>>8, %ah # Set the base mode
-- call mode_set
-- jnc rct3
--
-- movw %gs:(0x485), %ax # Font size in pixels
-- movb %gs:(0x484), %bl # Number of rows
-- incb %bl
-- mulb %bl # Number of visible
-- decw %ax # scan lines - 1
-- movw $0x3d4, %dx
-- movw %ax, %bx
-- movb $0x12, %al # Lower 8 bits
-- movb %bl, %ah
-- outw %ax, %dx
-- movb $0x07, %al # Bits 8 and 9 in the overflow register
-- call inidx
-- xchgb %al, %ah
-- andb $0xbd, %ah
-- shrb %bh
-- jnc rct1
-- orb $0x02, %ah
--rct1: shrb %bh
-- jnc rct2
-- orb $0x40, %ah
--rct2: movb $0x07, %al
-- outw %ax, %dx
-- stc
--rct3: ret
--
--# Table of routines for setting of the special modes.
--spec_inits:
-- .word set_80x25
-- .word set_8pixel
-- .word set_80x43
-- .word set_80x28
-- .word set_current
-- .word set_80x30
-- .word set_80x34
-- .word set_80x60
-- .word set_gfx
--
--# Set the 80x25 mode. If already set, do nothing.
--set_80x25:
-- movw $0x5019, force_size # Override possibly broken BIOS
--use_80x25:
--#ifdef CONFIG_VIDEO_400_HACK
-- movw $0x1202, %ax # Force 400 scan lines
-- movb $0x30, %bl
-- int $0x10
--#else
-- movb $0x0f, %ah # Get current mode ID
-- int $0x10
-- cmpw $0x5007, %ax # Mode 7 (80x25 mono) is the only one available
-- jz st80 # on CGA/MDA/HGA and is also available on EGAM
--
-- cmpw $0x5003, %ax # Unknown mode, force 80x25 color
-- jnz force3
--
--st80: cmpb $0, adapter # CGA/MDA/HGA => mode 3/7 is always 80x25
-- jz set80
--
-- movb %gs:(0x0484), %al # This is EGA+ -- beware of 80x50 etc.
-- orb %al, %al # Some buggy BIOS'es set 0 rows
-- jz set80
--
-- cmpb $24, %al # It's hopefully correct
-- jz set80
--#endif /* CONFIG_VIDEO_400_HACK */
--force3: DO_STORE
-- movw $0x0003, %ax # Forced set
-- int $0x10
--set80: stc
-- ret
--
--# Set the 80x50/80x43 8-pixel mode. Simple BIOS calls.
--set_8pixel:
-- DO_STORE
-- call use_80x25 # The base is 80x25
--set_8pt:
-- movw $0x1112, %ax # Use 8x8 font
-- xorb %bl, %bl
-- int $0x10
-- movw $0x1200, %ax # Use alternate print screen
-- movb $0x20, %bl
-- int $0x10
-- movw $0x1201, %ax # Turn off cursor emulation
-- movb $0x34, %bl
-- int $0x10
-- movb $0x01, %ah # Define cursor scan lines 6-7
-- movw $0x0607, %cx
-- int $0x10
--set_current:
-- stc
-- ret
--
--# Set the 80x28 mode. This mode works on all VGA's, because it's a standard
--# 80x25 mode with 14-point fonts instead of 16-point.
--set_80x28:
-- DO_STORE
-- call use_80x25 # The base is 80x25
--set14: movw $0x1111, %ax # Use 9x14 font
-- xorb %bl, %bl
-- int $0x10
-- movb $0x01, %ah # Define cursor scan lines 11-12
-- movw $0x0b0c, %cx
-- int $0x10
-- stc
-- ret
--
--# Set the 80x43 mode. This mode is works on all VGA's.
--# It's a 350-scanline mode with 8-pixel font.
--set_80x43:
-- DO_STORE
-- movw $0x1201, %ax # Set 350 scans
-- movb $0x30, %bl
-- int $0x10
-- movw $0x0003, %ax # Reset video mode
-- int $0x10
-- jmp set_8pt # Use 8-pixel font
--
--# Set the 80x30 mode (all VGA's). 480 scanlines, 16-pixel font.
--set_80x30:
-- call use_80x25 # Start with real 80x25
-- DO_STORE
-- movw $0x3cc, %dx # Get CRTC port
-- inb %dx, %al
-- movb $0xd4, %dl
-- rorb %al # Mono or color?
-- jc set48a
--
-- movb $0xb4, %dl
--set48a: movw $0x0c11, %ax # Vertical sync end (also unlocks CR0-7)
-- call outidx
-- movw $0x0b06, %ax # Vertical total
-- call outidx
-- movw $0x3e07, %ax # (Vertical) overflow
-- call outidx
-- movw $0xea10, %ax # Vertical sync start
-- call outidx
-- movw $0xdf12, %ax # Vertical display end
-- call outidx
-- movw $0xe715, %ax # Vertical blank start
-- call outidx
-- movw $0x0416, %ax # Vertical blank end
-- call outidx
-- pushw %dx
-- movb $0xcc, %dl # Misc output register (read)
-- inb %dx, %al
-- movb $0xc2, %dl # (write)
-- andb $0x0d, %al # Preserve clock select bits and color bit
-- orb $0xe2, %al # Set correct sync polarity
-- outb %al, %dx
-- popw %dx
-- movw $0x501e, force_size
-- stc # That's all.
-- ret
--
--# Set the 80x34 mode (all VGA's). 480 scans, 14-pixel font.
--set_80x34:
-- call set_80x30 # Set 480 scans
-- call set14 # And 14-pt font
-- movw $0xdb12, %ax # VGA vertical display end
-- movw $0x5022, force_size
--setvde: call outidx
-- stc
-- ret
--
--# Set the 80x60 mode (all VGA's). 480 scans, 8-pixel font.
--set_80x60:
-- call set_80x30 # Set 480 scans
-- call set_8pt # And 8-pt font
-- movw $0xdf12, %ax # VGA vertical display end
-- movw $0x503c, force_size
-- jmp setvde
--
--# Special hack for ThinkPad graphics
--set_gfx:
--#ifdef CONFIG_VIDEO_GFX_HACK
-- movw $VIDEO_GFX_BIOS_AX, %ax
-- movw $VIDEO_GFX_BIOS_BX, %bx
-- int $0x10
-- movw $VIDEO_GFX_DUMMY_RESOLUTION, force_size
-- stc
--#endif
-- ret
--
--#ifdef CONFIG_VIDEO_RETAIN
--
--# Store screen contents to temporary buffer.
--store_screen:
-- cmpb $0, do_restore # Already stored?
-- jnz stsr
--
-- testb $CAN_USE_HEAP, loadflags # Have we space for storing?
-- jz stsr
--
-- pushw %ax
-- pushw %bx
-- pushw force_size # Don't force specific size
-- movw $0, force_size
-- call mode_params # Obtain params of current mode
-- popw force_size
-- movb %fs:(PARAM_VIDEO_LINES), %ah
-- movb %fs:(PARAM_VIDEO_COLS), %al
-- movw %ax, %bx # BX=dimensions
-- mulb %ah
-- movw %ax, %cx # CX=number of characters
-- addw %ax, %ax # Calculate image size
-- addw $modelist+1024+4, %ax
-- cmpw heap_end_ptr, %ax
-- jnc sts1 # Unfortunately, out of memory
--
-- movw %fs:(PARAM_CURSOR_POS), %ax # Store mode params
-- leaw modelist+1024, %di
-- stosw
-- movw %bx, %ax
-- stosw
-- pushw %ds # Store the screen
-- movw video_segment, %ds
-- xorw %si, %si
-- rep
-- movsw
-- popw %ds
-- incb do_restore # Screen will be restored later
--sts1: popw %bx
-- popw %ax
--stsr: ret
--
--# Restore screen contents from temporary buffer.
--restore_screen:
-- cmpb $0, do_restore # Has the screen been stored?
-- jz res1
--
-- call mode_params # Get parameters of current mode
-- movb %fs:(PARAM_VIDEO_LINES), %cl
-- movb %fs:(PARAM_VIDEO_COLS), %ch
-- leaw modelist+1024, %si # Screen buffer
-- lodsw # Set cursor position
-- movw %ax, %dx
-- cmpb %cl, %dh
-- jc res2
--
-- movb %cl, %dh
-- decb %dh
--res2: cmpb %ch, %dl
-- jc res3
--
-- movb %ch, %dl
-- decb %dl
--res3: movb $0x02, %ah
-- movb $0x00, %bh
-- int $0x10
-- lodsw # Display size
-- movb %ah, %dl # DL=number of lines
-- movb $0, %ah # BX=phys. length of orig. line
-- movw %ax, %bx
-- cmpb %cl, %dl # Too many?
-- jc res4
--
-- pushw %ax
-- movb %dl, %al
-- subb %cl, %al
-- mulb %bl
-- addw %ax, %si
-- addw %ax, %si
-- popw %ax
-- movb %cl, %dl
--res4: cmpb %ch, %al # Too wide?
-- jc res5
--
-- movb %ch, %al # AX=width of src. line
--res5: movb $0, %cl
-- xchgb %ch, %cl
-- movw %cx, %bp # BP=width of dest. line
-- pushw %es
-- movw video_segment, %es
-- xorw %di, %di # Move the data
-- addw %bx, %bx # Convert BX and BP to _bytes_
-- addw %bp, %bp
--res6: pushw %si
-- pushw %di
-- movw %ax, %cx
-- rep
-- movsw
-- popw %di
-- popw %si
-- addw %bp, %di
-- addw %bx, %si
-- decb %dl
-- jnz res6
--
-- popw %es # Done
--res1: ret
--#endif /* CONFIG_VIDEO_RETAIN */
--
--# Write to indexed VGA register (AL=index, AH=data, DX=index reg. port)
--outidx: outb %al, %dx
-- pushw %ax
-- movb %ah, %al
-- incw %dx
-- outb %al, %dx
-- decw %dx
-- popw %ax
-- ret
--
--# Build the table of video modes (stored after the setup.S code at the
--# `modelist' label. Each video mode record looks like:
--# .word MODE-ID (our special mode ID (see above))
--# .byte rows (number of rows)
--# .byte columns (number of columns)
--# Returns address of the end of the table in DI, the end is marked
--# with a ASK_VGA ID.
--mode_table:
-- movw mt_end, %di # Already filled?
-- orw %di, %di
-- jnz mtab1x
--
-- leaw modelist, %di # Store standard modes:
-- movl $VIDEO_80x25 + 0x50190000, %eax # The 80x25 mode (ALL)
-- stosl
-- movb adapter, %al # CGA/MDA/HGA -- no more modes
-- orb %al, %al
-- jz mtabe
--
-- decb %al
-- jnz mtabv
--
-- movl $VIDEO_8POINT + 0x502b0000, %eax # The 80x43 EGA mode
-- stosl
-- jmp mtabe
--
--mtab1x: jmp mtab1
--
--mtabv: leaw vga_modes, %si # All modes for std VGA
-- movw $vga_modes_end-vga_modes, %cx
-- rep # I'm unable to use movsw as I don't know how to store a half
-- movsb # of the expression above to cx without using explicit shr.
--
-- cmpb $0, scanning # Mode scan requested?
-- jz mscan1
--
-- call mode_scan
--mscan1:
--
--#ifdef CONFIG_VIDEO_LOCAL
-- call local_modes
--#endif /* CONFIG_VIDEO_LOCAL */
--
--#ifdef CONFIG_VIDEO_VESA
-- call vesa_modes # Detect VESA VGA modes
--#endif /* CONFIG_VIDEO_VESA */
--
--#ifdef CONFIG_VIDEO_SVGA
-- cmpb $0, scanning # Bypass when scanning
-- jnz mscan2
--
-- call svga_modes # Detect SVGA cards & modes
--mscan2:
--#endif /* CONFIG_VIDEO_SVGA */
--
--mtabe:
--
--#ifdef CONFIG_VIDEO_COMPACT
-- leaw modelist, %si
-- movw %di, %dx
-- movw %si, %di
--cmt1: cmpw %dx, %si # Scan all modes
-- jz cmt2
--
-- leaw modelist, %bx # Find in previous entries
-- movw 2(%si), %cx
--cmt3: cmpw %bx, %si
-- jz cmt4
--
-- cmpw 2(%bx), %cx # Found => don't copy this entry
-- jz cmt5
--
-- addw $4, %bx
-- jmp cmt3
--
--cmt4: movsl # Copy entry
-- jmp cmt1
--
--cmt5: addw $4, %si # Skip entry
-- jmp cmt1
--
--cmt2:
--#endif /* CONFIG_VIDEO_COMPACT */
--
-- movw $ASK_VGA, (%di) # End marker
-- movw %di, mt_end
--mtab1: leaw modelist, %si # SI=mode list, DI=list end
--ret0: ret
--
--# Modes usable on all standard VGAs
--vga_modes:
-- .word VIDEO_8POINT
-- .word 0x5032 # 80x50
-- .word VIDEO_80x43
-- .word 0x502b # 80x43
-- .word VIDEO_80x28
-- .word 0x501c # 80x28
-- .word VIDEO_80x30
-- .word 0x501e # 80x30
-- .word VIDEO_80x34
-- .word 0x5022 # 80x34
-- .word VIDEO_80x60
-- .word 0x503c # 80x60
--#ifdef CONFIG_VIDEO_GFX_HACK
-- .word VIDEO_GFX_HACK
-- .word VIDEO_GFX_DUMMY_RESOLUTION
--#endif
--
--vga_modes_end:
--# Detect VESA modes.
--
--#ifdef CONFIG_VIDEO_VESA
--vesa_modes:
-- cmpb $2, adapter # VGA only
-- jnz ret0
--
-- movw %di, %bp # BP=original mode table end
-- addw $0x200, %di # Buffer space
-- movw $0x4f00, %ax # VESA Get card info call
-- int $0x10
-- movw %bp, %di
-- cmpw $0x004f, %ax # Successful?
-- jnz ret0
--
-- cmpw $0x4556, 0x200(%di)
-- jnz ret0
--
-- cmpw $0x4153, 0x202(%di)
-- jnz ret0
--
-- movw $vesa_name, card_name # Set name to "VESA VGA"
-- pushw %gs
-- lgsw 0x20e(%di), %si # GS:SI=mode list
-- movw $128, %cx # Iteration limit
--vesa1:
--# gas version 2.9.1, using BFD version 2.9.1.0.23 buggers the next inst.
--# XXX: lodsw %gs:(%si), %ax # Get next mode in the list
-- gs; lodsw
-- cmpw $0xffff, %ax # End of the table?
-- jz vesar
--
-- cmpw $0x0080, %ax # Check validity of mode ID
-- jc vesa2
--
-- orb %ah, %ah # Valid IDs: 0x0000-0x007f/0x0100-0x07ff
-- jz vesan # Certain BIOSes report 0x80-0xff!
--
-- cmpw $0x0800, %ax
-- jnc vesae
--
--vesa2: pushw %cx
-- movw %ax, %cx # Get mode information structure
-- movw $0x4f01, %ax
-- int $0x10
-- movw %cx, %bx # BX=mode number
-- addb $VIDEO_FIRST_VESA>>8, %bh
-- popw %cx
-- cmpw $0x004f, %ax
-- jnz vesan # Don't report errors (buggy BIOSES)
--
-- movb (%di), %al # Check capabilities. We require
-- andb $0x19, %al # a color text mode.
-- cmpb $0x09, %al
-- jnz vesan
--
-- cmpw $0xb800, 8(%di) # Standard video memory address required
-- jnz vesan
--
-- testb $2, (%di) # Mode characteristics supplied?
-- movw %bx, (%di) # Store mode number
-- jz vesa3
--
-- xorw %dx, %dx
-- movw 0x12(%di), %bx # Width
-- orb %bh, %bh
-- jnz vesan
--
-- movb %bl, 0x3(%di)
-- movw 0x14(%di), %ax # Height
-- orb %ah, %ah
-- jnz vesan
--
-- movb %al, 2(%di)
-- mulb %bl
-- cmpw $8193, %ax # Small enough for Linux console driver?
-- jnc vesan
--
-- jmp vesaok
--
--vesa3: subw $0x8108, %bx # This mode has no detailed info specified,
-- jc vesan # so it must be a standard VESA mode.
--
-- cmpw $5, %bx
-- jnc vesan
--
-- movw vesa_text_mode_table(%bx), %ax
-- movw %ax, 2(%di)
--vesaok: addw $4, %di # The mode is valid. Store it.
--vesan: loop vesa1 # Next mode. Limit exceeded => error
--vesae: leaw vesaer, %si
-- call prtstr
-- movw %bp, %di # Discard already found modes.
--vesar: popw %gs
-- ret
--
--# Dimensions of standard VESA text modes
--vesa_text_mode_table:
-- .byte 60, 80 # 0108
-- .byte 25, 132 # 0109
-- .byte 43, 132 # 010A
-- .byte 50, 132 # 010B
-- .byte 60, 132 # 010C
--#endif /* CONFIG_VIDEO_VESA */
--
--# Scan for video modes. A bit dirty, but should work.
--mode_scan:
-- movw $0x0100, %cx # Start with mode 0
--scm1: movb $0, %ah # Test the mode
-- movb %cl, %al
-- int $0x10
-- movb $0x0f, %ah
-- int $0x10
-- cmpb %cl, %al
-- jnz scm2 # Mode not set
--
-- movw $0x3c0, %dx # Test if it's a text mode
-- movb $0x10, %al # Mode bits
-- call inidx
-- andb $0x03, %al
-- jnz scm2
--
-- movb $0xce, %dl # Another set of mode bits
-- movb $0x06, %al
-- call inidx
-- shrb %al
-- jc scm2
--
-- movb $0xd4, %dl # Cursor location
-- movb $0x0f, %al
-- call inidx
-- orb %al, %al
-- jnz scm2
--
-- movw %cx, %ax # Ok, store the mode
-- stosw
-- movb %gs:(0x484), %al # Number of rows
-- incb %al
-- stosb
-- movw %gs:(0x44a), %ax # Number of columns
-- stosb
--scm2: incb %cl
-- jns scm1
--
-- movw $0x0003, %ax # Return back to mode 3
-- int $0x10
-- ret
--
--tstidx: outw %ax, %dx # OUT DX,AX and inidx
--inidx: outb %al, %dx # Read from indexed VGA register
-- incw %dx # AL=index, DX=index reg port -> AL=data
-- inb %dx, %al
-- decw %dx
-- ret
--
--# Try to detect type of SVGA card and supply (usually approximate) video
--# mode table for it.
--
--#ifdef CONFIG_VIDEO_SVGA
--svga_modes:
-- leaw svga_table, %si # Test all known SVGA adapters
--dosvga: lodsw
-- movw %ax, %bp # Default mode table
-- orw %ax, %ax
-- jz didsv1
--
-- lodsw # Pointer to test routine
-- pushw %si
-- pushw %di
-- pushw %es
-- movw $0xc000, %bx
-- movw %bx, %es
-- call *%ax # Call test routine
-- popw %es
-- popw %di
-- popw %si
-- orw %bp, %bp
-- jz dosvga
--
-- movw %bp, %si # Found, copy the modes
-- movb svga_prefix, %ah
--cpsvga: lodsb
-- orb %al, %al
-- jz didsv
--
-- stosw
-- movsw
-- jmp cpsvga
--
--didsv: movw %si, card_name # Store pointer to card name
--didsv1: ret
--
--# Table of all known SVGA cards. For each card, we store a pointer to
--# a table of video modes supported by the card and a pointer to a routine
--# used for testing of presence of the card. The video mode table is always
--# followed by the name of the card or the chipset.
--svga_table:
-- .word ati_md, ati_test
-- .word oak_md, oak_test
-- .word paradise_md, paradise_test
-- .word realtek_md, realtek_test
-- .word s3_md, s3_test
-- .word chips_md, chips_test
-- .word video7_md, video7_test
-- .word cirrus5_md, cirrus5_test
-- .word cirrus6_md, cirrus6_test
-- .word cirrus1_md, cirrus1_test
-- .word ahead_md, ahead_test
-- .word everex_md, everex_test
-- .word genoa_md, genoa_test
-- .word trident_md, trident_test
-- .word tseng_md, tseng_test
-- .word 0
--
--# Test routines and mode tables:
--
--# S3 - The test algorithm was taken from the SuperProbe package
--# for XFree86 1.2.1. Report bugs to Christoph.Niemann@linux.org
--s3_test:
-- movw $0x0f35, %cx # we store some constants in cl/ch
-- movw $0x03d4, %dx
-- movb $0x38, %al
-- call inidx
-- movb %al, %bh # store current CRT-register 0x38
-- movw $0x0038, %ax
-- call outidx # disable writing to special regs
-- movb %cl, %al # check whether we can write special reg 0x35
-- call inidx
-- movb %al, %bl # save the current value of CRT reg 0x35
-- andb $0xf0, %al # clear bits 0-3
-- movb %al, %ah
-- movb %cl, %al # and write it to CRT reg 0x35
-- call outidx
-- call inidx # now read it back
-- andb %ch, %al # clear the upper 4 bits
-- jz s3_2 # the first test failed. But we have a
--
-- movb %bl, %ah # second chance
-- movb %cl, %al
-- call outidx
-- jmp s3_1 # do the other tests
--
--s3_2: movw %cx, %ax # load ah with 0xf and al with 0x35
-- orb %bl, %ah # set the upper 4 bits of ah with the orig value
-- call outidx # write ...
-- call inidx # ... and reread
-- andb %cl, %al # turn off the upper 4 bits
-- pushw %ax
-- movb %bl, %ah # restore old value in register 0x35
-- movb %cl, %al
-- call outidx
-- popw %ax
-- cmpb %ch, %al # setting lower 4 bits was successful => bad
-- je no_s3 # writing is allowed => this is not an S3
--
--s3_1: movw $0x4838, %ax # allow writing to special regs by putting
-- call outidx # magic number into CRT-register 0x38
-- movb %cl, %al # check whether we can write special reg 0x35
-- call inidx
-- movb %al, %bl
-- andb $0xf0, %al
-- movb %al, %ah
-- movb %cl, %al
-- call outidx
-- call inidx
-- andb %ch, %al
-- jnz no_s3 # no, we can't write => no S3
--
-- movw %cx, %ax
-- orb %bl, %ah
-- call outidx
-- call inidx
-- andb %ch, %al
-- pushw %ax
-- movb %bl, %ah # restore old value in register 0x35
-- movb %cl, %al
-- call outidx
-- popw %ax
-- cmpb %ch, %al
-- jne no_s31 # writing not possible => no S3
-- movb $0x30, %al
-- call inidx # now get the S3 id ...
-- leaw idS3, %di
-- movw $0x10, %cx
-- repne
-- scasb
-- je no_s31
--
-- movb %bh, %ah
-- movb $0x38, %al
-- jmp s3rest
--
--no_s3: movb $0x35, %al # restore CRT register 0x35
-- movb %bl, %ah
-- call outidx
--no_s31: xorw %bp, %bp # Detection failed
--s3rest: movb %bh, %ah
-- movb $0x38, %al # restore old value of CRT register 0x38
-- jmp outidx
--
--idS3: .byte 0x81, 0x82, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95
-- .byte 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa8, 0xb0
--
--s3_md: .byte 0x54, 0x2b, 0x84
-- .byte 0x55, 0x19, 0x84
-- .byte 0
-- .ascii "S3"
-- .byte 0
--
--# ATI cards.
--ati_test:
-- leaw idati, %si
-- movw $0x31, %di
-- movw $0x09, %cx
-- repe
-- cmpsb
-- je atiok
--
-- xorw %bp, %bp
--atiok: ret
--
--idati: .ascii "761295520"
--
--ati_md: .byte 0x23, 0x19, 0x84
-- .byte 0x33, 0x2c, 0x84
-- .byte 0x22, 0x1e, 0x64
-- .byte 0x21, 0x19, 0x64
-- .byte 0x58, 0x21, 0x50
-- .byte 0x5b, 0x1e, 0x50
-- .byte 0
-- .ascii "ATI"
-- .byte 0
--
--# AHEAD
--ahead_test:
-- movw $0x200f, %ax
-- movw $0x3ce, %dx
-- outw %ax, %dx
-- incw %dx
-- inb %dx, %al
-- cmpb $0x20, %al
-- je isahed
--
-- cmpb $0x21, %al
-- je isahed
--
-- xorw %bp, %bp
--isahed: ret
--
--ahead_md:
-- .byte 0x22, 0x2c, 0x84
-- .byte 0x23, 0x19, 0x84
-- .byte 0x24, 0x1c, 0x84
-- .byte 0x2f, 0x32, 0xa0
-- .byte 0x32, 0x22, 0x50
-- .byte 0x34, 0x42, 0x50
-- .byte 0
-- .ascii "Ahead"
-- .byte 0
--
--# Chips & Tech.
--chips_test:
-- movw $0x3c3, %dx
-- inb %dx, %al
-- orb $0x10, %al
-- outb %al, %dx
-- movw $0x104, %dx
-- inb %dx, %al
-- movb %al, %bl
-- movw $0x3c3, %dx
-- inb %dx, %al
-- andb $0xef, %al
-- outb %al, %dx
-- cmpb $0xa5, %bl
-- je cantok
--
-- xorw %bp, %bp
--cantok: ret
--
--chips_md:
-- .byte 0x60, 0x19, 0x84
-- .byte 0x61, 0x32, 0x84
-- .byte 0
-- .ascii "Chips & Technologies"
-- .byte 0
--
--# Cirrus Logic 5X0
--cirrus1_test:
-- movw $0x3d4, %dx
-- movb $0x0c, %al
-- outb %al, %dx
-- incw %dx
-- inb %dx, %al
-- movb %al, %bl
-- xorb %al, %al
-- outb %al, %dx
-- decw %dx
-- movb $0x1f, %al
-- outb %al, %dx
-- incw %dx
-- inb %dx, %al
-- movb %al, %bh
-- xorb %ah, %ah
-- shlb $4, %al
-- movw %ax, %cx
-- movb %bh, %al
-- shrb $4, %al
-- addw %ax, %cx
-- shlw $8, %cx
-- addw $6, %cx
-- movw %cx, %ax
-- movw $0x3c4, %dx
-- outw %ax, %dx
-- incw %dx
-- inb %dx, %al
-- andb %al, %al
-- jnz nocirr
--
-- movb %bh, %al
-- outb %al, %dx
-- inb %dx, %al
-- cmpb $0x01, %al
-- je iscirr
--
--nocirr: xorw %bp, %bp
--iscirr: movw $0x3d4, %dx
-- movb %bl, %al
-- xorb %ah, %ah
-- shlw $8, %ax
-- addw $0x0c, %ax
-- outw %ax, %dx
-- ret
--
--cirrus1_md:
-- .byte 0x1f, 0x19, 0x84
-- .byte 0x20, 0x2c, 0x84
-- .byte 0x22, 0x1e, 0x84
-- .byte 0x31, 0x25, 0x64
-- .byte 0
-- .ascii "Cirrus Logic 5X0"
-- .byte 0
--
--# Cirrus Logic 54XX
--cirrus5_test:
-- movw $0x3c4, %dx
-- movb $6, %al
-- call inidx
-- movb %al, %bl # BL=backup
-- movw $6, %ax
-- call tstidx
-- cmpb $0x0f, %al
-- jne c5fail
--
-- movw $0x1206, %ax
-- call tstidx
-- cmpb $0x12, %al
-- jne c5fail
--
-- movb $0x1e, %al
-- call inidx
-- movb %al, %bh
-- movb %bh, %ah
-- andb $0xc0, %ah
-- movb $0x1e, %al
-- call tstidx
-- andb $0x3f, %al
-- jne c5xx
--
-- movb $0x1e, %al
-- movb %bh, %ah
-- orb $0x3f, %ah
-- call tstidx
-- xorb $0x3f, %al
-- andb $0x3f, %al
--c5xx: pushf
-- movb $0x1e, %al
-- movb %bh, %ah
-- outw %ax, %dx
-- popf
-- je c5done
--
--c5fail: xorw %bp, %bp
--c5done: movb $6, %al
-- movb %bl, %ah
-- outw %ax, %dx
-- ret
--
--cirrus5_md:
-- .byte 0x14, 0x19, 0x84
-- .byte 0x54, 0x2b, 0x84
-- .byte 0
-- .ascii "Cirrus Logic 54XX"
-- .byte 0
--
--# Cirrus Logic 64XX -- no known extra modes, but must be identified, because
--# it's misidentified by the Ahead test.
--cirrus6_test:
-- movw $0x3ce, %dx
-- movb $0x0a, %al
-- call inidx
-- movb %al, %bl # BL=backup
-- movw $0xce0a, %ax
-- call tstidx
-- orb %al, %al
-- jne c2fail
--
-- movw $0xec0a, %ax
-- call tstidx
-- cmpb $0x01, %al
-- jne c2fail
--
-- movb $0xaa, %al
-- call inidx # 4X, 5X, 7X and 8X are valid 64XX chip ID's.
-- shrb $4, %al
-- subb $4, %al
-- jz c6done
--
-- decb %al
-- jz c6done
--
-- subb $2, %al
-- jz c6done
--
-- decb %al
-- jz c6done
--
--c2fail: xorw %bp, %bp
--c6done: movb $0x0a, %al
-- movb %bl, %ah
-- outw %ax, %dx
-- ret
--
--cirrus6_md:
-- .byte 0
-- .ascii "Cirrus Logic 64XX"
-- .byte 0
--
--# Everex / Trident
--everex_test:
-- movw $0x7000, %ax
-- xorw %bx, %bx
-- int $0x10
-- cmpb $0x70, %al
-- jne noevrx
--
-- shrw $4, %dx
-- cmpw $0x678, %dx
-- je evtrid
--
-- cmpw $0x236, %dx
-- jne evrxok
--
--evtrid: leaw trident_md, %bp
--evrxok: ret
--
--noevrx: xorw %bp, %bp
-- ret
--
--everex_md:
-- .byte 0x03, 0x22, 0x50
-- .byte 0x04, 0x3c, 0x50
-- .byte 0x07, 0x2b, 0x64
-- .byte 0x08, 0x4b, 0x64
-- .byte 0x0a, 0x19, 0x84
-- .byte 0x0b, 0x2c, 0x84
-- .byte 0x16, 0x1e, 0x50
-- .byte 0x18, 0x1b, 0x64
-- .byte 0x21, 0x40, 0xa0
-- .byte 0x40, 0x1e, 0x84
-- .byte 0
-- .ascii "Everex/Trident"
-- .byte 0
--
--# Genoa.
--genoa_test:
-- leaw idgenoa, %si # Check Genoa 'clues'
-- xorw %ax, %ax
-- movb %es:(0x37), %al
-- movw %ax, %di
-- movw $0x04, %cx
-- decw %si
-- decw %di
--l1: incw %si
-- incw %di
-- movb (%si), %al
-- testb %al, %al
-- jz l2
--
-- cmpb %es:(%di), %al
--l2: loope l1
-- orw %cx, %cx
-- je isgen
--
-- xorw %bp, %bp
--isgen: ret
--
--idgenoa: .byte 0x77, 0x00, 0x99, 0x66
--
--genoa_md:
-- .byte 0x58, 0x20, 0x50
-- .byte 0x5a, 0x2a, 0x64
-- .byte 0x60, 0x19, 0x84
-- .byte 0x61, 0x1d, 0x84
-- .byte 0x62, 0x20, 0x84
-- .byte 0x63, 0x2c, 0x84
-- .byte 0x64, 0x3c, 0x84
-- .byte 0x6b, 0x4f, 0x64
-- .byte 0x72, 0x3c, 0x50
-- .byte 0x74, 0x42, 0x50
-- .byte 0x78, 0x4b, 0x64
-- .byte 0
-- .ascii "Genoa"
-- .byte 0
--
--# OAK
--oak_test:
-- leaw idoakvga, %si
-- movw $0x08, %di
-- movw $0x08, %cx
-- repe
-- cmpsb
-- je isoak
--
-- xorw %bp, %bp
--isoak: ret
--
--idoakvga: .ascii "OAK VGA "
--
--oak_md: .byte 0x4e, 0x3c, 0x50
-- .byte 0x4f, 0x3c, 0x84
-- .byte 0x50, 0x19, 0x84
-- .byte 0x51, 0x2b, 0x84
-- .byte 0
-- .ascii "OAK"
-- .byte 0
--
--# WD Paradise.
--paradise_test:
-- leaw idparadise, %si
-- movw $0x7d, %di
-- movw $0x04, %cx
-- repe
-- cmpsb
-- je ispara
--
-- xorw %bp, %bp
--ispara: ret
--
--idparadise: .ascii "VGA="
--
--paradise_md:
-- .byte 0x41, 0x22, 0x50
-- .byte 0x47, 0x1c, 0x84
-- .byte 0x55, 0x19, 0x84
-- .byte 0x54, 0x2c, 0x84
-- .byte 0
-- .ascii "Paradise"
-- .byte 0
--
--# Trident.
--trident_test:
-- movw $0x3c4, %dx
-- movb $0x0e, %al
-- outb %al, %dx
-- incw %dx
-- inb %dx, %al
-- xchgb %al, %ah
-- xorb %al, %al
-- outb %al, %dx
-- inb %dx, %al
-- xchgb %ah, %al
-- movb %al, %bl # Strange thing ... in the book this wasn't
-- andb $0x02, %bl # necessary but it worked on my card which
-- jz setb2 # is a trident. Without it the screen goes
-- # blurred ...
-- andb $0xfd, %al
-- jmp clrb2
--
--setb2: orb $0x02, %al
--clrb2: outb %al, %dx
-- andb $0x0f, %ah
-- cmpb $0x02, %ah
-- je istrid
--
-- xorw %bp, %bp
--istrid: ret
--
--trident_md:
-- .byte 0x50, 0x1e, 0x50
-- .byte 0x51, 0x2b, 0x50
-- .byte 0x52, 0x3c, 0x50
-- .byte 0x57, 0x19, 0x84
-- .byte 0x58, 0x1e, 0x84
-- .byte 0x59, 0x2b, 0x84
-- .byte 0x5a, 0x3c, 0x84
-- .byte 0
-- .ascii "Trident"
-- .byte 0
--
--# Tseng.
--tseng_test:
-- movw $0x3cd, %dx
-- inb %dx, %al # Could things be this simple ! :-)
-- movb %al, %bl
-- movb $0x55, %al
-- outb %al, %dx
-- inb %dx, %al
-- movb %al, %ah
-- movb %bl, %al
-- outb %al, %dx
-- cmpb $0x55, %ah
-- je istsen
--
--isnot: xorw %bp, %bp
--istsen: ret
--
--tseng_md:
-- .byte 0x26, 0x3c, 0x50
-- .byte 0x2a, 0x28, 0x64
-- .byte 0x23, 0x19, 0x84
-- .byte 0x24, 0x1c, 0x84
-- .byte 0x22, 0x2c, 0x84
-- .byte 0x21, 0x3c, 0x84
-- .byte 0
-- .ascii "Tseng"
-- .byte 0
--
--# Video7.
--video7_test:
-- movw $0x3cc, %dx
-- inb %dx, %al
-- movw $0x3b4, %dx
-- andb $0x01, %al
-- jz even7
--
-- movw $0x3d4, %dx
--even7: movb $0x0c, %al
-- outb %al, %dx
-- incw %dx
-- inb %dx, %al
-- movb %al, %bl
-- movb $0x55, %al
-- outb %al, %dx
-- inb %dx, %al
-- decw %dx
-- movb $0x1f, %al
-- outb %al, %dx
-- incw %dx
-- inb %dx, %al
-- movb %al, %bh
-- decw %dx
-- movb $0x0c, %al
-- outb %al, %dx
-- incw %dx
-- movb %bl, %al
-- outb %al, %dx
-- movb $0x55, %al
-- xorb $0xea, %al
-- cmpb %bh, %al
-- jne isnot
--
-- movb $VIDEO_FIRST_V7>>8, svga_prefix # Use special mode switching
-- ret
--
--video7_md:
-- .byte 0x40, 0x2b, 0x50
-- .byte 0x43, 0x3c, 0x50
-- .byte 0x44, 0x3c, 0x64
-- .byte 0x41, 0x19, 0x84
-- .byte 0x42, 0x2c, 0x84
-- .byte 0x45, 0x1c, 0x84
-- .byte 0
-- .ascii "Video 7"
-- .byte 0
--
--# Realtek VGA
--realtek_test:
-- leaw idrtvga, %si
-- movw $0x45, %di
-- movw $0x0b, %cx
-- repe
-- cmpsb
-- je isrt
--
-- xorw %bp, %bp
--isrt: ret
--
--idrtvga: .ascii "REALTEK VGA"
--
--realtek_md:
-- .byte 0x1a, 0x3c, 0x50
-- .byte 0x1b, 0x19, 0x84
-- .byte 0x1c, 0x1e, 0x84
-- .byte 0x1d, 0x2b, 0x84
-- .byte 0x1e, 0x3c, 0x84
-- .byte 0
-- .ascii "REALTEK"
-- .byte 0
--
--#endif /* CONFIG_VIDEO_SVGA */
--
--# User-defined local mode table (VGA only)
--#ifdef CONFIG_VIDEO_LOCAL
--local_modes:
-- leaw local_mode_table, %si
--locm1: lodsw
-- orw %ax, %ax
-- jz locm2
--
-- stosw
-- movsw
-- jmp locm1
--
--locm2: ret
--
--# This is the table of local video modes which can be supplied manually
--# by the user. Each entry consists of mode ID (word) and dimensions
--# (byte for column count and another byte for row count). These modes
--# are placed before all SVGA and VESA modes and override them if table
--# compacting is enabled. The table must end with a zero word followed
--# by NUL-terminated video adapter name.
--local_mode_table:
-- .word 0x0100 # Example: 40x25
-- .byte 25,40
-- .word 0
-- .ascii "Local"
-- .byte 0
--#endif /* CONFIG_VIDEO_LOCAL */
--
--# Read a key and return the ASCII code in al, scan code in ah
--getkey: xorb %ah, %ah
-- int $0x16
-- ret
--
--# Read a key with a timeout of 30 seconds.
--# The hardware clock is used to get the time.
--getkt: call gettime
-- addb $30, %al # Wait 30 seconds
-- cmpb $60, %al
-- jl lminute
--
-- subb $60, %al
--lminute:
-- movb %al, %cl
--again: movb $0x01, %ah
-- int $0x16
-- jnz getkey # key pressed, so get it
--
-- call gettime
-- cmpb %cl, %al
-- jne again
--
-- movb $0x20, %al # timeout, return `space'
-- ret
--
--# Flush the keyboard buffer
--flush: movb $0x01, %ah
-- int $0x16
-- jz empty
--
-- xorb %ah, %ah
-- int $0x16
-- jmp flush
--
--empty: ret
--
--# Print hexadecimal number.
--prthw: pushw %ax
-- movb %ah, %al
-- call prthb
-- popw %ax
--prthb: pushw %ax
-- shrb $4, %al
-- call prthn
-- popw %ax
-- andb $0x0f, %al
--prthn: cmpb $0x0a, %al
-- jc prth1
--
-- addb $0x07, %al
--prth1: addb $0x30, %al
-- jmp prtchr
--
--# Print decimal number in al
--prtdec: pushw %ax
-- pushw %cx
-- xorb %ah, %ah
-- movb $0x0a, %cl
-- idivb %cl
-- cmpb $0x09, %al
-- jbe lt100
--
-- call prtdec
-- jmp skip10
--
--lt100: addb $0x30, %al
-- call prtchr
--skip10: movb %ah, %al
-- addb $0x30, %al
-- call prtchr
-- popw %cx
-- popw %ax
-- ret
--
--store_edid:
--#ifdef CONFIG_FIRMWARE_EDID
-- pushw %es # just save all registers
-- pushw %ax
-- pushw %bx
-- pushw %cx
-- pushw %dx
-- pushw %di
--
-- pushw %fs
-- popw %es
--
-- movl $0x13131313, %eax # memset block with 0x13
-- movw $32, %cx
-- movw $0x140, %di
-- cld
-- rep
-- stosl
--
-- cmpw $0x0200, vbe_version # only do EDID on >= VBE2.0
-- jl no_edid
--
-- pushw %es # save ES
-- xorw %di, %di # Report Capability
-- pushw %di
-- popw %es # ES:DI must be 0:0
-- movw $0x4f15, %ax
-- xorw %bx, %bx
-- xorw %cx, %cx
-- int $0x10
-- popw %es # restore ES
--
-- cmpb $0x00, %ah # call successful
-- jne no_edid
--
-- cmpb $0x4f, %al # function supported
-- jne no_edid
--
-- movw $0x4f15, %ax # do VBE/DDC
-- movw $0x01, %bx
-- movw $0x00, %cx
-- movw $0x00, %dx
-- movw $0x140, %di
-- int $0x10
--
--no_edid:
-- popw %di # restore all registers
-- popw %dx
-- popw %cx
-- popw %bx
-- popw %ax
-- popw %es
--#endif
-- ret
--
--# VIDEO_SELECT-only variables
--mt_end: .word 0 # End of video mode table if built
--edit_buf: .space 6 # Line editor buffer
--card_name: .word 0 # Pointer to adapter name
--scanning: .byte 0 # Performing mode scan
--do_restore: .byte 0 # Screen contents altered during mode change
--svga_prefix: .byte VIDEO_FIRST_BIOS>>8 # Default prefix for BIOS modes
--graphic_mode: .byte 0 # Graphic mode with a linear frame buffer
--dac_size: .byte 6 # DAC bit depth
--vbe_version: .word 0 # VBE bios version
--
--# Status messages
--keymsg: .ascii "Press <RETURN> to see video modes available, "
-- .ascii "<SPACE> to continue or wait 30 secs"
-- .byte 0x0d, 0x0a, 0
--
--listhdr: .byte 0x0d, 0x0a
-- .ascii "Mode: COLSxROWS:"
--
--crlft: .byte 0x0d, 0x0a, 0
--
--prompt: .byte 0x0d, 0x0a
-- .asciz "Enter mode number or `scan': "
--
--unknt: .asciz "Unknown mode ID. Try again."
--
--badmdt: .ascii "You passed an undefined mode number."
-- .byte 0x0d, 0x0a, 0
--
--vesaer: .ascii "Error: Scanning of VESA modes failed. Please "
-- .ascii "report to <mj@ucw.cz>."
-- .byte 0x0d, 0x0a, 0
--
--old_name: .asciz "CGA/MDA/HGA"
--
--ega_name: .asciz "EGA"
--
--svga_name: .ascii " "
--
--vga_name: .asciz "VGA"
--
--vesa_name: .asciz "VESA"
--
--name_bann: .asciz "Video adapter: "
--#endif /* CONFIG_VIDEO_SELECT */
--
--# Other variables:
--adapter: .byte 0 # Video adapter: 0=CGA/MDA/HGA,1=EGA,2=VGA
--video_segment: .word 0xb800 # Video memory segment
--force_size: .word 0 # Use this size instead of the one in BIOS vars
---- /dev/null
-+++ b/arch/i386/boot/video.c
-@@ -0,0 +1,456 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/video.c
-+ *
-+ * Select video mode
-+ */
-+
-+#include "boot.h"
-+#include "video.h"
-+#include "vesa.h"
-+
-+/*
-+ * Mode list variables
-+ */
-+static struct card_info cards[]; /* List of cards to probe for */
-+
-+/*
-+ * Common variables
-+ */
-+int adapter; /* 0=CGA/MDA/HGC, 1=EGA, 2=VGA+ */
-+u16 video_segment;
-+int force_x, force_y; /* Don't query the BIOS for cols/rows */
-+
-+int do_restore = 0; /* Screen contents changed during mode flip */
-+int graphic_mode; /* Graphic mode with linear frame buffer */
-+
-+static void store_cursor_position(void)
-+{
-+ u16 curpos;
-+ u16 ax, bx;
-+
-+ ax = 0x0300;
-+ bx = 0;
-+ asm(INT10
-+ : "=d" (curpos), "+a" (ax), "+b" (bx)
-+ : : "ecx", "esi", "edi");
-+
-+ boot_params.screen_info.orig_x = curpos;
-+ boot_params.screen_info.orig_y = curpos >> 8;
-+}
-+
-+static void store_video_mode(void)
-+{
-+ u16 ax, page;
-+
-+ /* N.B.: the saving of the video page here is a bit silly,
-+ since we pretty much assume page 0 everywhere. */
-+ ax = 0x0f00;
-+ asm(INT10
-+ : "+a" (ax), "=b" (page)
-+ : : "ecx", "edx", "esi", "edi");
-+
-+ /* Not all BIOSes are clean with respect to the top bit */
-+ boot_params.screen_info.orig_video_mode = ax & 0x7f;
-+ boot_params.screen_info.orig_video_page = page;
-+}
-+
-+/*
-+ * Store the video mode parameters for later usage by the kernel.
-+ * This is done by asking the BIOS except for the rows/columns
-+ * parameters in the default 80x25 mode -- these are set directly,
-+ * because some very obscure BIOSes supply insane values.
-+ */
-+static void store_mode_params(void)
-+{
-+ u16 font_size;
-+ int x, y;
-+
-+ /* For graphics mode, it is up to the mode-setting driver
-+ (currently only video-vesa.c) to store the parameters */
-+ if (graphic_mode)
-+ return;
-+
-+ store_cursor_position();
-+ store_video_mode();
-+
-+ if (boot_params.screen_info.orig_video_mode == 0x07) {
-+ /* MDA, HGC, or VGA in monochrome mode */
-+ video_segment = 0xb000;
-+ } else {
-+ /* CGA, EGA, VGA and so forth */
-+ video_segment = 0xb800;
-+ }
-+
-+ set_fs(0);
-+ font_size = rdfs16(0x485); /* Font size, BIOS area */
-+ boot_params.screen_info.orig_video_points = font_size;
-+
-+ x = rdfs16(0x44a);
-+ y = (adapter == ADAPTER_CGA) ? 25 : rdfs8(0x484)+1;
-+
-+ if (force_x)
-+ x = force_x;
-+ if (force_y)
-+ y = force_y;
-+
-+ boot_params.screen_info.orig_video_cols = x;
-+ boot_params.screen_info.orig_video_lines = y;
-+}
-+
-+/* Probe the video drivers and have them generate their mode lists. */
-+static void probe_cards(int unsafe)
-+{
-+ struct card_info *card;
-+ static u8 probed[2];
-+
-+ if (probed[unsafe])
-+ return;
-+
-+ probed[unsafe] = 1;
-+
-+ for (card = video_cards; card < video_cards_end; card++) {
-+ if (card->unsafe == unsafe) {
-+ if (card->probe)
-+ card->nmodes = card->probe();
-+ else
-+ card->nmodes = 0;
-+ }
-+ }
-+}
-+
-+/* Test if a mode is defined */
-+int mode_defined(u16 mode)
-+{
-+ struct card_info *card;
-+ struct mode_info *mi;
-+ int i;
-+
-+ for (card = video_cards; card < video_cards_end; card++) {
-+ mi = card->modes;
-+ for (i = 0; i < card->nmodes; i++, mi++) {
-+ if (mi->mode == mode)
-+ return 1;
-+ }
-+ }
-+
-+ return 0;
-+}
-+
-+/* Set mode (without recalc) */
-+static int raw_set_mode(u16 mode)
-+{
-+ int nmode, i;
-+ struct card_info *card;
-+ struct mode_info *mi;
-+
-+ /* Drop the recalc bit if set */
-+ mode &= ~VIDEO_RECALC;
-+
-+ /* Scan for mode based on fixed ID, position, or resolution */
-+ nmode = 0;
-+ for (card = video_cards; card < video_cards_end; card++) {
-+ mi = card->modes;
-+ for (i = 0; i < card->nmodes; i++, mi++) {
-+ int visible = mi->x || mi->y;
-+
-+ if ((mode == nmode && visible) ||
-+ mode == mi->mode ||
-+ mode == (mi->y << 8)+mi->x)
-+ return card->set_mode(mi);
-+
-+ if (visible)
-+ nmode++;
-+ }
-+ }
-+
-+ /* Nothing found? Is it an "exceptional" (unprobed) mode? */
-+ for (card = video_cards; card < video_cards_end; card++) {
-+ if (mode >= card->xmode_first &&
-+ mode < card->xmode_first+card->xmode_n) {
-+ struct mode_info mix;
-+ mix.mode = mode;
-+ mix.x = mix.y = 0;
-+ return card->set_mode(&mix);
-+ }
-+ }
-+
-+ /* Otherwise, failure... */
-+ return -1;
-+}
-+
-+/*
-+ * Recalculate the vertical video cutoff (hack!)
-+ */
-+static void vga_recalc_vertical(void)
-+{
-+ unsigned int font_size, rows;
-+ u16 crtc;
-+ u8 ov;
-+
-+ set_fs(0);
-+ font_size = rdfs8(0x485); /* BIOS: font size (pixels) */
-+ rows = force_y ? force_y : rdfs8(0x484)+1; /* Text rows */
-+
-+ rows *= font_size; /* Visible scan lines */
-+ rows--; /* ... minus one */
-+
-+ crtc = vga_crtc();
-+
-+ out_idx((u8)rows, crtc, 0x12); /* Lower height register */
-+ ov = in_idx(crtc, 0x07); /* Overflow register */
-+ ov &= 0xbd;
-+ ov |= (rows >> (8-1)) & 0x02;
-+ ov |= (rows >> (9-6)) & 0x40;
-+ out_idx(ov, crtc, 0x07);
-+}
-+
-+/* Set mode (with recalc if specified) */
-+static int set_mode(u16 mode)
-+{
-+ int rv;
-+
-+ /* Very special mode numbers... */
-+ if (mode == VIDEO_CURRENT_MODE)
-+ return 0; /* Nothing to do... */
-+ else if (mode == NORMAL_VGA)
-+ mode = VIDEO_80x25;
-+ else if (mode == EXTENDED_VGA)
-+ mode = VIDEO_8POINT;
-+
-+ rv = raw_set_mode(mode);
-+ if (rv)
-+ return rv;
-+
-+ if (mode & VIDEO_RECALC)
-+ vga_recalc_vertical();
-+
-+ return 0;
-+}
-+
-+static unsigned int get_entry(void)
-+{
-+ char entry_buf[4];
-+ int i, len = 0;
-+ int key;
-+ unsigned int v;
-+
-+ do {
-+ key = getchar();
-+
-+ if (key == '\b') {
-+ if (len > 0) {
-+ puts("\b \b");
-+ len--;
-+ }
-+ } else if ((key >= '0' && key <= '9') ||
-+ (key >= 'A' && key <= 'Z') ||
-+ (key >= 'a' && key <= 'z')) {
-+ if (len < sizeof entry_buf) {
-+ entry_buf[len++] = key;
-+ putchar(key);
-+ }
-+ }
-+ } while (key != '\r');
-+ putchar('\n');
-+
-+ if (len == 0)
-+ return VIDEO_CURRENT_MODE; /* Default */
-+
-+ v = 0;
-+ for (i = 0; i < len; i++) {
-+ v <<= 4;
-+ key = entry_buf[i] | 0x20;
-+ v += (key > '9') ? key-'a'+10 : key-'0';
-+ }
-+
-+ return v;
-+}
-+
-+static void display_menu(void)
-+{
-+ struct card_info *card;
-+ struct mode_info *mi;
-+ char ch;
-+ int i;
-+
-+ puts("Mode: COLSxROWS:\n");
-+
-+ ch = '0';
-+ for (card = video_cards; card < video_cards_end; card++) {
-+ mi = card->modes;
-+ for (i = 0; i < card->nmodes; i++, mi++) {
-+ int visible = mi->x && mi->y;
-+ u16 mode_id = mi->mode ? mi->mode :
-+ (mi->y << 8)+mi->x;
-+
-+ if (!visible)
-+ continue; /* Hidden mode */
-+
-+ printf("%c %04X %3dx%-3d %s\n",
-+ ch, mode_id, mi->x, mi->y, card->card_name);
-+
-+ if (ch == '9')
-+ ch = 'a';
-+ else if (ch == 'z' || ch == ' ')
-+ ch = ' '; /* Out of keys... */
-+ else
-+ ch++;
-+ }
-+ }
-+}
-+
-+#define H(x) ((x)-'a'+10)
-+#define SCAN ((H('s')<<12)+(H('c')<<8)+(H('a')<<4)+H('n'))
-+
-+static unsigned int mode_menu(void)
-+{
-+ int key;
-+ unsigned int sel;
-+
-+ puts("Press <ENTER> to see video modes available, "
-+ "<SPACE> to continue, or wait 30 sec\n");
-+
-+ kbd_flush();
-+ while (1) {
-+ key = getchar_timeout();
-+ if (key == ' ' || key == 0)
-+ return VIDEO_CURRENT_MODE; /* Default */
-+ if (key == '\r')
-+ break;
-+ putchar('\a'); /* Beep! */
-+ }
-+
-+
-+ for (;;) {
-+ display_menu();
-+
-+ puts("Enter a video mode or \"scan\" to scan for "
-+ "additional modes: ");
-+ sel = get_entry();
-+ if (sel != SCAN)
-+ return sel;
-+
-+ probe_cards(1);
-+ }
-+}
-+
-+#ifdef CONFIG_VIDEO_RETAIN
-+/* Save screen content to the heap */
-+struct saved_screen {
-+ int x, y;
-+ int curx, cury;
-+ u16 *data;
-+} saved;
-+
-+static void save_screen(void)
-+{
-+ /* Should be called after store_mode_params() */
-+ saved.x = boot_params.screen_info.orig_video_cols;
-+ saved.y = boot_params.screen_info.orig_video_lines;
-+ saved.curx = boot_params.screen_info.orig_x;
-+ saved.cury = boot_params.screen_info.orig_y;
-+
-+ if (heap_free() < saved.x*saved.y*sizeof(u16)+512)
-+ return; /* Not enough heap to save the screen */
-+
-+ saved.data = GET_HEAP(u16, saved.x*saved.y);
-+
-+ set_fs(video_segment);
-+ copy_from_fs(saved.data, 0, saved.x*saved.y*sizeof(u16));
-+}
-+
-+static void restore_screen(void)
-+{
-+ /* Should be called after store_mode_params() */
-+ int xs = boot_params.screen_info.orig_video_cols;
-+ int ys = boot_params.screen_info.orig_video_lines;
-+ int y;
-+ addr_t dst = 0;
-+ u16 *src = saved.data;
-+ u16 ax, bx, dx;
-+
-+ if (graphic_mode)
-+ return; /* Can't restore onto a graphic mode */
-+
-+ if (!src)
-+ return; /* No saved screen contents */
-+
-+ /* Restore screen contents */
-+
-+ set_fs(video_segment);
-+ for (y = 0; y < ys; y++) {
-+ int npad;
-+
-+ if (y < saved.y) {
-+ int copy = (xs < saved.x) ? xs : saved.x;
-+ copy_to_fs(dst, src, copy*sizeof(u16));
-+ dst += copy*sizeof(u16);
-+ src += saved.x;
-+ npad = (xs < saved.x) ? 0 : xs-saved.x;
-+ } else {
-+ npad = xs;
-+ }
-+
-+ /* Writes "npad" blank characters to
-+ video_segment:dst and advances dst */
-+ asm volatile("pushw %%es ; "
-+ "movw %2,%%es ; "
-+ "shrw %%cx ; "
-+ "jnc 1f ; "
-+ "stosw \n\t"
-+ "1: rep;stosl ; "
-+ "popw %%es"
-+ : "+D" (dst), "+c" (npad)
-+ : "bdSm" (video_segment),
-+ "a" (0x07200720));
-+ }
-+
-+ /* Restore cursor position */
-+ ax = 0x0200; /* Set cursor position */
-+ bx = 0; /* Page number (<< 8) */
-+ dx = (saved.cury << 8)+saved.curx;
-+ asm volatile(INT10
-+ : "+a" (ax), "+b" (bx), "+d" (dx)
-+ : : "ecx", "esi", "edi");
-+}
-+#else
-+#define save_screen() ((void)0)
-+#define restore_screen() ((void)0)
-+#endif
-+
-+void set_video(void)
-+{
-+ u16 mode = boot_params.hdr.vid_mode;
-+
-+ RESET_HEAP();
-+
-+ store_mode_params();
-+ save_screen();
-+ probe_cards(0);
-+
-+ for (;;) {
-+ if (mode == ASK_VGA)
-+ mode = mode_menu();
-+
-+ if (!set_mode(mode))
-+ break;
-+
-+ printf("Undefined video mode number: %x\n", mode);
-+ mode = ASK_VGA;
-+ }
-+ vesa_store_edid();
-+ store_mode_params();
-+
-+ if (do_restore)
-+ restore_screen();
-+}
---- /dev/null
-+++ b/arch/i386/boot/video.h
-@@ -0,0 +1,145 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/video.h
-+ *
-+ * Header file for the real-mode video probing code
-+ */
-+
-+#ifndef BOOT_VIDEO_H
-+#define BOOT_VIDEO_H
-+
-+#include <linux/types.h>
-+
-+/* Enable autodetection of SVGA adapters and modes. */
-+#undef CONFIG_VIDEO_SVGA
-+
-+/* Enable autodetection of VESA modes */
-+#define CONFIG_VIDEO_VESA
-+
-+/* Retain screen contents when switching modes */
-+#define CONFIG_VIDEO_RETAIN
-+
-+/* Force 400 scan lines for standard modes (hack to fix bad BIOS behaviour */
-+#undef CONFIG_VIDEO_400_HACK
-+
-+/* This code uses an extended set of video mode numbers. These include:
-+ * Aliases for standard modes
-+ * NORMAL_VGA (-1)
-+ * EXTENDED_VGA (-2)
-+ * ASK_VGA (-3)
-+ * Video modes numbered by menu position -- NOT RECOMMENDED because of lack
-+ * of compatibility when extending the table. These are between 0x00 and 0xff.
-+ */
-+#define VIDEO_FIRST_MENU 0x0000
-+
-+/* Standard BIOS video modes (BIOS number + 0x0100) */
-+#define VIDEO_FIRST_BIOS 0x0100
-+
-+/* VESA BIOS video modes (VESA number + 0x0200) */
-+#define VIDEO_FIRST_VESA 0x0200
-+
-+/* Video7 special modes (BIOS number + 0x0900) */
-+#define VIDEO_FIRST_V7 0x0900
-+
-+/* Special video modes */
-+#define VIDEO_FIRST_SPECIAL 0x0f00
-+#define VIDEO_80x25 0x0f00
-+#define VIDEO_8POINT 0x0f01
-+#define VIDEO_80x43 0x0f02
-+#define VIDEO_80x28 0x0f03
-+#define VIDEO_CURRENT_MODE 0x0f04
-+#define VIDEO_80x30 0x0f05
-+#define VIDEO_80x34 0x0f06
-+#define VIDEO_80x60 0x0f07
-+#define VIDEO_GFX_HACK 0x0f08
-+#define VIDEO_LAST_SPECIAL 0x0f09
-+
-+/* Video modes given by resolution */
-+#define VIDEO_FIRST_RESOLUTION 0x1000
-+
-+/* The "recalculate timings" flag */
-+#define VIDEO_RECALC 0x8000
-+
-+/* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
-+#ifdef CONFIG_VIDEO_RETAIN
-+void store_screen(void);
-+#define DO_STORE() store_screen()
-+#else
-+#define DO_STORE() ((void)0)
-+#endif /* CONFIG_VIDEO_RETAIN */
-+
-+/*
-+ * Mode table structures
-+ */
-+
-+struct mode_info {
-+ u16 mode; /* Mode number (vga= style) */
-+ u8 x, y; /* Width, height */
-+};
-+
-+struct card_info {
-+ const char *card_name;
-+ int (*set_mode)(struct mode_info *mode);
-+ int (*probe)(void);
-+ struct mode_info *modes;
-+ int nmodes; /* Number of probed modes so far */
-+ int unsafe; /* Probing is unsafe, only do after "scan" */
-+ u16 xmode_first; /* Unprobed modes to try to call anyway */
-+ u16 xmode_n; /* Size of unprobed mode range */
-+};
-+
-+#define __videocard struct card_info __attribute__((section(".videocards")))
-+extern struct card_info video_cards[], video_cards_end[];
-+
-+int mode_defined(u16 mode); /* video.c */
-+
-+/* Basic video information */
-+#define ADAPTER_CGA 0 /* CGA/MDA/HGC */
-+#define ADAPTER_EGA 1
-+#define ADAPTER_VGA 2
-+
-+extern int adapter;
-+extern u16 video_segment;
-+extern int force_x, force_y; /* Don't query the BIOS for cols/rows */
-+extern int do_restore; /* Restore screen contents */
-+extern int graphic_mode; /* Graphics mode with linear frame buffer */
-+
-+/*
-+ * int $0x10 is notorious for touching registers it shouldn't.
-+ * gcc doesn't like %ebp being clobbered, so define it as a push/pop
-+ * sequence here.
-+ */
-+#define INT10 "pushl %%ebp; int $0x10; popl %%ebp"
-+
-+/* Accessing VGA indexed registers */
-+static inline u8 in_idx(u16 port, u8 index)
-+{
-+ outb(index, port);
-+ return inb(port+1);
-+}
-+
-+static inline void out_idx(u8 v, u16 port, u8 index)
-+{
-+ outw(index+(v << 8), port);
-+}
-+
-+/* Writes a value to an indexed port and then reads the port again */
-+static inline u8 tst_idx(u8 v, u16 port, u8 index)
-+{
-+ out_idx(port, index, v);
-+ return in_idx(port, index);
-+}
-+
-+/* Get the I/O port of the VGA CRTC */
-+u16 vga_crtc(void); /* video-vga.c */
-+
-+#endif /* BOOT_VIDEO_H */
---- /dev/null
-+++ b/arch/i386/boot/voyager.c
-@@ -0,0 +1,46 @@
-+/* -*- linux-c -*- ------------------------------------------------------- *
-+ *
-+ * Copyright (C) 1991, 1992 Linus Torvalds
-+ * Copyright 2007 rPath, Inc. - All Rights Reserved
-+ *
-+ * This file is part of the Linux kernel, and is made available under
-+ * the terms of the GNU General Public License version 2.
-+ *
-+ * ----------------------------------------------------------------------- */
-+
-+/*
-+ * arch/i386/boot/voyager.c
-+ *
-+ * Get the Voyager config information
-+ */
-+
-+#include "boot.h"
-+
-+#ifdef CONFIG_X86_VOYAGER
-+
-+int query_voyager(void)
-+{
-+ u8 err;
-+ u16 es, di;
-+ /* Abuse the apm_bios_info area for this */
-+ u8 *data_ptr = (u8 *)&boot_params.apm_bios_info;
-+
-+ data_ptr[0] = 0xff; /* Flag on config not found(?) */
-+
-+ asm("pushw %%es ; "
-+ "int $0x15 ; "
-+ "setc %0 ; "
-+ "movw %%es, %1 ; "
-+ "popw %%es"
-+ : "=qm" (err), "=rm" (es), "=D" (di)
-+ : "a" (0xffc0));
-+
-+ if (err)
-+ return -1; /* Not Voyager */
-+
-+ set_fs(es);
-+ copy_from_fs(data_ptr, di, 7); /* Table is 7 bytes apparently */
-+ return 0;
-+}
-+
-+#endif /* CONFIG_X86_VOYAGER */
---- /dev/null
-+++ b/arch/i386/kernel/cpu/addon_cpuid_features.c
-@@ -0,0 +1,50 @@
-+
-+/*
-+ * Routines to indentify additional cpu features that are scattered in
-+ * cpuid space.
-+ */
-+
-+#include <linux/cpu.h>
-+
-+#include <asm/processor.h>
-+
-+struct cpuid_bit {
-+ u16 feature;
-+ u8 reg;
-+ u8 bit;
-+ u32 level;
-+};
-+
-+enum cpuid_regs {
-+ CR_EAX = 0,
-+ CR_ECX,
-+ CR_EDX,
-+ CR_EBX
-+};
-+
-+void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
-+{
-+ u32 max_level;
-+ u32 regs[4];
-+ const struct cpuid_bit *cb;
-+
-+ static const struct cpuid_bit cpuid_bits[] = {
-+ { X86_FEATURE_IDA, CR_EAX, 1, 0x00000006 },
-+ { 0, 0, 0, 0 }
-+ };
-+
-+ for (cb = cpuid_bits; cb->feature; cb++) {
-+
-+ /* Verify that the level is valid */
-+ max_level = cpuid_eax(cb->level & 0xffff0000);
-+ if (max_level < cb->level ||
-+ max_level > (cb->level | 0xffff))
-+ continue;
-+
-+ cpuid(cb->level, ®s[CR_EAX], ®s[CR_EBX],
-+ ®s[CR_ECX], ®s[CR_EDX]);
-+
-+ if (regs[cb->reg] & (1 << cb->bit))
-+ set_bit(cb->feature, c->x86_capability);
-+ }
-+}
---- a/arch/i386/kernel/cpu/common.c
-+++ b/arch/i386/kernel/cpu/common.c
-@@ -353,6 +353,8 @@
- if ( xlvl >= 0x80000004 )
- get_model_name(c); /* Default name */
- }
-+
-+ init_scattered_cpuid_features(c);
- }
-
- early_intel_workaround(c);
---- a/arch/i386/kernel/cpu/proc.c
-+++ b/arch/i386/kernel/cpu/proc.c
-@@ -29,7 +29,8 @@
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, "mp", "nx", NULL, "mmxext", NULL,
-- NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm", "3dnowext", "3dnow",
-+ NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm",
-+ "3dnowext", "3dnow",
-
- /* Transmeta-defined */
- "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL,
-@@ -40,8 +41,9 @@
- /* Other (Linux-defined) */
- "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr",
- NULL, NULL, NULL, NULL,
-- "constant_tsc", "up", NULL, NULL, NULL, NULL, NULL, NULL,
-- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+ "constant_tsc", "up", NULL, "arch_perfmon",
-+ "pebs", "bts", NULL, "sync_rdtsc",
-+ "rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
- /* Intel-defined (#2) */
-@@ -57,9 +59,16 @@
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
- /* AMD-defined (#2) */
-- "lahf_lm", "cmp_legacy", "svm", "extapic", "cr8legacy", "abm",
-- "sse4a", "misalignsse",
-- "3dnowprefetch", "osvw", "ibs", NULL, NULL, NULL, NULL, NULL,
-+ "lahf_lm", "cmp_legacy", "svm", "extapic", "cr8_legacy",
-+ "altmovcr8", "abm", "sse4a",
-+ "misalignsse", "3dnowprefetch",
-+ "osvw", "ibs", NULL, NULL, NULL, NULL,
-+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+
-+ /* Auxiliary (Linux-defined) */
-+ "ida", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- };
---- a/arch/i386/kernel/e820.c
-+++ b/arch/i386/kernel/e820.c
-@@ -734,7 +734,7 @@
- case E820_NVS:
- printk("(ACPI NVS)\n");
- break;
-- default: printk("type %lu\n", e820.map[i].type);
-+ default: printk("type %u\n", e820.map[i].type);
- break;
- }
- }
---- a/arch/i386/kernel/setup.c
-+++ b/arch/i386/kernel/setup.c
-@@ -102,19 +102,10 @@
- /*
- * Setup options
- */
--struct drive_info_struct { char dummy[32]; } drive_info;
--#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || \
-- defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE)
--EXPORT_SYMBOL(drive_info);
--#endif
- struct screen_info screen_info;
- EXPORT_SYMBOL(screen_info);
- struct apm_info apm_info;
- EXPORT_SYMBOL(apm_info);
--struct sys_desc_table_struct {
-- unsigned short length;
-- unsigned char table[0];
--};
- struct edid_info edid_info;
- EXPORT_SYMBOL_GPL(edid_info);
- struct ist_info ist_info;
-@@ -134,7 +125,7 @@
-
- static char __initdata command_line[COMMAND_LINE_SIZE];
-
--unsigned char __initdata boot_params[PARAM_SIZE];
-+struct boot_params __initdata boot_params;
-
- #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
- struct edd edd;
-@@ -528,7 +519,6 @@
- #endif
-
- ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
-- drive_info = DRIVE_INFO;
- screen_info = SCREEN_INFO;
- edid_info = EDID_INFO;
- apm_info.bios = APM_BIOS_INFO;
---- a/arch/i386/kernel/verify_cpu.S
-+++ /dev/null
-@@ -1,94 +0,0 @@
--/* Check if CPU has some minimum CPUID bits
-- This runs in 16bit mode so that the caller can still use the BIOS
-- to output errors on the screen */
--#include <asm/cpufeature.h>
--#include <asm/msr.h>
--
--verify_cpu:
-- pushfl # Save caller passed flags
-- pushl $0 # Kill any dangerous flags
-- popfl
--
--#if CONFIG_X86_MINIMUM_CPU_MODEL >= 4
-- pushfl
-- pop %eax
-- orl $(1<<18),%eax # try setting AC
-- push %eax
-- popfl
-- pushfl
-- popl %eax
-- testl $(1<<18),%eax
-- jz bad
--#endif
--#if REQUIRED_MASK1 != 0
-- pushfl # standard way to check for cpuid
-- popl %eax
-- movl %eax,%ebx
-- xorl $0x200000,%eax
-- pushl %eax
-- popfl
-- pushfl
-- popl %eax
-- cmpl %eax,%ebx
-- pushfl # standard way to check for cpuid
-- popl %eax
-- movl %eax,%ebx
-- xorl $0x200000,%eax
-- pushl %eax
-- popfl
-- pushfl
-- popl %eax
-- cmpl %eax,%ebx
-- jz bad # REQUIRED_MASK1 != 0 requires CPUID
--
-- movl $0x0,%eax # See if cpuid 1 is implemented
-- cpuid
-- cmpl $0x1,%eax
-- jb bad # no cpuid 1
--
--#if REQUIRED_MASK1 & NEED_CMPXCHG64
-- /* Some VIA C3s need magic MSRs to enable CX64. Do this here */
-- cmpl $0x746e6543,%ebx # Cent
-- jne 1f
-- cmpl $0x48727561,%edx # aurH
-- jne 1f
-- cmpl $0x736c7561,%ecx # auls
-- jne 1f
-- movl $1,%eax # check model
-- cpuid
-- movl %eax,%ebx
-- shr $8,%ebx
-- andl $0xf,%ebx
-- cmp $6,%ebx # check family == 6
-- jne 1f
-- shr $4,%eax
-- andl $0xf,%eax
-- cmpl $6,%eax # check model >= 6
-- jb 1f
-- # assume models >= 6 all support this MSR
-- movl $MSR_VIA_FCR,%ecx
-- rdmsr
-- orl $((1<<1)|(1<<7)),%eax # enable CMPXCHG64 and PGE
-- wrmsr
--1:
--#endif
-- movl $0x1,%eax # Does the cpu have what it takes
-- cpuid
--
--#if CONFIG_X86_MINIMUM_CPU_MODEL > 4
--#error add proper model checking here
--#endif
--
-- andl $REQUIRED_MASK1,%edx
-- xorl $REQUIRED_MASK1,%edx
-- jnz bad
--#endif /* REQUIRED_MASK1 */
--
-- popfl
-- xor %eax,%eax
-- ret
--
--bad:
-- popfl
-- movl $1,%eax
-- ret
---- a/arch/x86_64/Kconfig
-+++ b/arch/x86_64/Kconfig
-@@ -427,6 +427,10 @@
- This is purely to save memory - each supported CPU requires
- memory in the static kernel configuration.
-
-+config PHYSICAL_ALIGN
-+ hex
-+ default "0x200000"
-+
- config HOTPLUG_CPU
- bool "Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL)"
- depends on SMP && HOTPLUG && EXPERIMENTAL
---- a/arch/x86_64/boot/Makefile
-+++ b/arch/x86_64/boot/Makefile
-@@ -1,135 +1,9 @@
- #
- # arch/x86_64/boot/Makefile
- #
--# This file is subject to the terms and conditions of the GNU General Public
--# License. See the file "COPYING" in the main directory of this archive
--# for more details.
--#
--# Copyright (C) 1994 by Linus Torvalds
--#
--
--# ROOT_DEV specifies the default root-device when making the image.
--# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
--# the default of FLOPPY is used by 'build'.
--
--ROOT_DEV := CURRENT
--
--# If you want to preset the SVGA mode, uncomment the next line and
--# set SVGA_MODE to whatever number you want.
--# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
--# The number is the same as you would ordinarily press at bootup.
--
--SVGA_MODE := -DSVGA_MODE=NORMAL_VGA
--
--# If you want the RAM disk device, define this to be the size in blocks.
--
--#RAMDISK := -DRAMDISK=512
--
--targets := vmlinux.bin bootsect bootsect.o \
-- setup setup.o bzImage mtools.conf
--
--EXTRA_CFLAGS := -m32
--
--hostprogs-y := tools/build
--HOST_EXTRACFLAGS += $(LINUXINCLUDE)
--subdir- := compressed/ #Let make clean descend in compressed/
--# ---------------------------------------------------------------------------
--
--$(obj)/bzImage: IMAGE_OFFSET := 0x100000
--$(obj)/bzImage: EXTRA_AFLAGS := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
--$(obj)/bzImage: BUILDFLAGS := -b
--
--quiet_cmd_image = BUILD $@
--cmd_image = $(obj)/tools/build $(BUILDFLAGS) $(obj)/bootsect $(obj)/setup \
-- $(obj)/vmlinux.bin $(ROOT_DEV) > $@
--
--$(obj)/bzImage: $(obj)/bootsect $(obj)/setup \
-- $(obj)/vmlinux.bin $(obj)/tools/build FORCE
-- $(call if_changed,image)
-- @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
--
--$(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
-- $(call if_changed,objcopy)
--
--LDFLAGS_bootsect := -Ttext 0x0 -s --oformat binary
--LDFLAGS_setup := -Ttext 0x0 -s --oformat binary -e begtext
--
--$(obj)/setup $(obj)/bootsect: %: %.o FORCE
-- $(call if_changed,ld)
--
--$(obj)/compressed/vmlinux: FORCE
-- $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
--
--# Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel
--FDARGS =
--# Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
--FDINITRD =
--
--image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
--
--$(obj)/mtools.conf: $(src)/mtools.conf.in
-- sed -e 's|@OBJ@|$(obj)|g' < $< > $@
--
--# This requires write access to /dev/fd0
--zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
-- MTOOLSRC=$(obj)/mtools.conf mformat a: ; sync
-- syslinux /dev/fd0 ; sync
-- echo '$(image_cmdline)' | \
-- MTOOLSRC=$(obj)/mtools.conf mcopy - a:syslinux.cfg
-- if [ -f '$(FDINITRD)' ] ; then \
-- MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
-- fi
-- MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux ; sync
--
--# These require being root or having syslinux 2.02 or higher installed
--fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
-- dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
-- MTOOLSRC=$(obj)/mtools.conf mformat v: ; sync
-- syslinux $(obj)/fdimage ; sync
-- echo '$(image_cmdline)' | \
-- MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
-- if [ -f '$(FDINITRD)' ] ; then \
-- MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
-- fi
-- MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux ; sync
--
--fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
-- dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
-- MTOOLSRC=$(obj)/mtools.conf mformat w: ; sync
-- syslinux $(obj)/fdimage ; sync
-- echo '$(image_cmdline)' | \
-- MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
-- if [ -f '$(FDINITRD)' ] ; then \
-- MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
-- fi
-- MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux ; sync
--
--isoimage: $(BOOTIMAGE)
-- -rm -rf $(obj)/isoimage
-- mkdir $(obj)/isoimage
-- for i in lib lib64 share end ; do \
-- if [ -f /usr/$$i/syslinux/isolinux.bin ] ; then \
-- cp /usr/$$i/syslinux/isolinux.bin $(obj)/isoimage ; \
-- break ; \
-- fi ; \
-- if [ $$i = end ] ; then exit 1 ; fi ; \
-- done
-- cp $(BOOTIMAGE) $(obj)/isoimage/linux
-- echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
-- if [ -f '$(FDINITRD)' ] ; then \
-- cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
-- fi
-- mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
-- -no-emul-boot -boot-load-size 4 -boot-info-table \
-- $(obj)/isoimage
-- rm -rf $(obj)/isoimage
--
--zlilo: $(BOOTIMAGE)
-- if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
-- if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
-- cat $(BOOTIMAGE) > $(INSTALL_PATH)/vmlinuz
-- cp System.map $(INSTALL_PATH)/
-- if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi
-+# The actual boot code is shared with i386 including the Makefile.
-+# So tell kbuild that we fetch the code from i386 and include the
-+# Makefile from i386 too.
-
--install:
-- sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"
-+src := arch/i386/boot
-+include $(src)/Makefile
---- a/arch/x86_64/boot/bootsect.S
-+++ /dev/null
-@@ -1,98 +0,0 @@
--/*
-- * bootsect.S Copyright (C) 1991, 1992 Linus Torvalds
-- *
-- * modified by Drew Eckhardt
-- * modified by Bruce Evans (bde)
-- * modified by Chris Noe (May 1999) (as86 -> gas)
-- * gutted by H. Peter Anvin (Jan 2003)
-- *
-- * BIG FAT NOTE: We're in real mode using 64k segments. Therefore segment
-- * addresses must be multiplied by 16 to obtain their respective linear
-- * addresses. To avoid confusion, linear addresses are written using leading
-- * hex while segment addresses are written as segment:offset.
-- *
-- */
--
--#include <asm/boot.h>
--
--SETUPSECTS = 4 /* default nr of setup-sectors */
--BOOTSEG = 0x07C0 /* original address of boot-sector */
--INITSEG = DEF_INITSEG /* we move boot here - out of the way */
--SETUPSEG = DEF_SETUPSEG /* setup starts here */
--SYSSEG = DEF_SYSSEG /* system loaded at 0x10000 (65536) */
--SYSSIZE = DEF_SYSSIZE /* system size: # of 16-byte clicks */
-- /* to be loaded */
--ROOT_DEV = 0 /* ROOT_DEV is now written by "build" */
--SWAP_DEV = 0 /* SWAP_DEV is now written by "build" */
--
--#ifndef SVGA_MODE
--#define SVGA_MODE ASK_VGA
--#endif
--
--#ifndef RAMDISK
--#define RAMDISK 0
--#endif
--
--#ifndef ROOT_RDONLY
--#define ROOT_RDONLY 1
--#endif
--
--.code16
--.text
--
--.global _start
--_start:
--
-- # Normalize the start address
-- jmpl $BOOTSEG, $start2
--
--start2:
-- movw %cs, %ax
-- movw %ax, %ds
-- movw %ax, %es
-- movw %ax, %ss
-- movw $0x7c00, %sp
-- sti
-- cld
--
-- movw $bugger_off_msg, %si
--
--msg_loop:
-- lodsb
-- andb %al, %al
-- jz die
-- movb $0xe, %ah
-- movw $7, %bx
-- int $0x10
-- jmp msg_loop
--
--die:
-- # Allow the user to press a key, then reboot
-- xorw %ax, %ax
-- int $0x16
-- int $0x19
--
-- # int 0x19 should never return. In case it does anyway,
-- # invoke the BIOS reset code...
-- ljmp $0xf000,$0xfff0
--
--
--bugger_off_msg:
-- .ascii "Direct booting from floppy is no longer supported.\r\n"
-- .ascii "Please use a boot loader program instead.\r\n"
-- .ascii "\n"
-- .ascii "Remove disk and press any key to reboot . . .\r\n"
-- .byte 0
--
--
-- # Kernel attributes; used by setup
--
-- .org 497
--setup_sects: .byte SETUPSECTS
--root_flags: .word ROOT_RDONLY
--syssize: .word SYSSIZE
--swap_dev: .word SWAP_DEV
--ram_size: .word RAMDISK
--vid_mode: .word SVGA_MODE
--root_dev: .word ROOT_DEV
--boot_flag: .word 0xAA55
---- a/arch/x86_64/boot/compressed/Makefile
-+++ b/arch/x86_64/boot/compressed/Makefile
-@@ -7,11 +7,12 @@
- #
-
- targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
--EXTRA_AFLAGS := -traditional
-
--# cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with
--# -m32
--CFLAGS := -m64 -D__KERNEL__ -Iinclude -O2 -fno-strict-aliasing -fPIC -mcmodel=small -fno-builtin
-+CFLAGS := -m64 -D__KERNEL__ $(LINUXINCLUDE) -O2 \
-+ -fno-strict-aliasing -fPIC -mcmodel=small \
-+ $(call cc-option, -ffreestanding) \
-+ $(call cc-option, -fno-stack-protector)
-+AFLAGS := $(CFLAGS) -D__ASSEMBLY__
- LDFLAGS := -m elf_x86_64
-
- LDFLAGS_vmlinux := -T
---- a/arch/x86_64/boot/compressed/head.S
-+++ b/arch/x86_64/boot/compressed/head.S
-@@ -46,10 +46,10 @@
- * at and where we were actually loaded at. This can only be done
- * with a short local call on x86. Nothing else will tell us what
- * address we are running at. The reserved chunk of the real-mode
-- * data at 0x34-0x3f are used as the stack for this calculation.
-- * Only 4 bytes are needed.
-+ * data at 0x1e4 (defined as a scratch field) are used as the stack
-+ * for this calculation. Only 4 bytes are needed.
- */
-- leal 0x40(%esi), %esp
-+ leal (0x1e4+4)(%esi), %esp
- call 1f
- 1: popl %ebp
- subl $1b, %ebp
---- a/arch/x86_64/boot/install.sh
-+++ /dev/null
-@@ -1,2 +0,0 @@
--#!/bin/sh
--. $srctree/arch/i386/boot/install.sh
---- a/arch/x86_64/boot/mtools.conf.in
-+++ /dev/null
-@@ -1,17 +0,0 @@
--#
--# mtools configuration file for "make (b)zdisk"
--#
--
--# Actual floppy drive
--drive a:
-- file="/dev/fd0"
--
--# 1.44 MB floppy disk image
--drive v:
-- file="@OBJ@/fdimage" cylinders=80 heads=2 sectors=18 filter
--
--# 2.88 MB floppy disk image (mostly for virtual uses)
--drive w:
-- file="@OBJ@/fdimage" cylinders=80 heads=2 sectors=36 filter
--
--
---- a/arch/x86_64/boot/setup.S
-+++ /dev/null
-@@ -1,826 +0,0 @@
--/*
-- * setup.S Copyright (C) 1991, 1992 Linus Torvalds
-- *
-- * setup.s is responsible for getting the system data from the BIOS,
-- * and putting them into the appropriate places in system memory.
-- * both setup.s and system has been loaded by the bootblock.
-- *
-- * This code asks the bios for memory/disk/other parameters, and
-- * puts them in a "safe" place: 0x90000-0x901FF, ie where the
-- * boot-block used to be. It is then up to the protected mode
-- * system to read them from there before the area is overwritten
-- * for buffer-blocks.
-- *
-- * Move PS/2 aux init code to psaux.c
-- * (troyer@saifr00.cfsat.Honeywell.COM) 03Oct92
-- *
-- * some changes and additional features by Christoph Niemann,
-- * March 1993/June 1994 (Christoph.Niemann@linux.org)
-- *
-- * add APM BIOS checking by Stephen Rothwell, May 1994
-- * (sfr@canb.auug.org.au)
-- *
-- * High load stuff, initrd support and position independency
-- * by Hans Lermen & Werner Almesberger, February 1996
-- * <lermen@elserv.ffm.fgan.de>, <almesber@lrc.epfl.ch>
-- *
-- * Video handling moved to video.S by Martin Mares, March 1996
-- * <mj@k332.feld.cvut.cz>
-- *
-- * Extended memory detection scheme retwiddled by orc@pell.chi.il.us (david
-- * parsons) to avoid loadlin confusion, July 1997
-- *
-- * Transcribed from Intel (as86) -> AT&T (gas) by Chris Noe, May 1999.
-- * <stiker@northlink.com>
-- *
-- * Fix to work around buggy BIOSes which don't use carry bit correctly
-- * and/or report extended memory in CX/DX for e801h memory size detection
-- * call. As a result the kernel got wrong figures. The int15/e801h docs
-- * from Ralf Brown interrupt list seem to indicate AX/BX should be used
-- * anyway. So to avoid breaking many machines (presumably there was a reason
-- * to orginally use CX/DX instead of AX/BX), we do a kludge to see
-- * if CX/DX have been changed in the e801 call and if so use AX/BX .
-- * Michael Miller, April 2001 <michaelm@mjmm.org>
-- *
-- * Added long mode checking and SSE force. March 2003, Andi Kleen.
-- */
--
--#include <asm/segment.h>
--#include <linux/utsrelease.h>
--#include <linux/compile.h>
--#include <asm/boot.h>
--#include <asm/e820.h>
--#include <asm/page.h>
--#include <asm/setup.h>
--
--/* Signature words to ensure LILO loaded us right */
--#define SIG1 0xAA55
--#define SIG2 0x5A5A
--
--INITSEG = DEF_INITSEG # 0x9000, we move boot here, out of the way
--SYSSEG = DEF_SYSSEG # 0x1000, system loaded at 0x10000 (65536).
--SETUPSEG = DEF_SETUPSEG # 0x9020, this is the current segment
-- # ... and the former contents of CS
--
--DELTA_INITSEG = SETUPSEG - INITSEG # 0x0020
--
--.code16
--.globl begtext, begdata, begbss, endtext, enddata, endbss
--
--.text
--begtext:
--.data
--begdata:
--.bss
--begbss:
--.text
--
--start:
-- jmp trampoline
--
--# This is the setup header, and it must start at %cs:2 (old 0x9020:2)
--
-- .ascii "HdrS" # header signature
-- .word 0x0206 # header version number (>= 0x0105)
-- # or else old loadlin-1.5 will fail)
--realmode_swtch: .word 0, 0 # default_switch, SETUPSEG
--start_sys_seg: .word SYSSEG
-- .word kernel_version # pointing to kernel version string
-- # above section of header is compatible
-- # with loadlin-1.5 (header v1.5). Don't
-- # change it.
--
--type_of_loader: .byte 0 # = 0, old one (LILO, Loadlin,
-- # Bootlin, SYSLX, bootsect...)
-- # See Documentation/i386/boot.txt for
-- # assigned ids
--
--# flags, unused bits must be zero (RFU) bit within loadflags
--loadflags:
--LOADED_HIGH = 1 # If set, the kernel is loaded high
--CAN_USE_HEAP = 0x80 # If set, the loader also has set
-- # heap_end_ptr to tell how much
-- # space behind setup.S can be used for
-- # heap purposes.
-- # Only the loader knows what is free
--#ifndef __BIG_KERNEL__
-- .byte 0
--#else
-- .byte LOADED_HIGH
--#endif
--
--setup_move_size: .word 0x8000 # size to move, when setup is not
-- # loaded at 0x90000. We will move setup
-- # to 0x90000 then just before jumping
-- # into the kernel. However, only the
-- # loader knows how much data behind
-- # us also needs to be loaded.
--
--code32_start: # here loaders can put a different
-- # start address for 32-bit code.
--#ifndef __BIG_KERNEL__
-- .long 0x1000 # 0x1000 = default for zImage
--#else
-- .long 0x100000 # 0x100000 = default for big kernel
--#endif
--
--ramdisk_image: .long 0 # address of loaded ramdisk image
-- # Here the loader puts the 32-bit
-- # address where it loaded the image.
-- # This only will be read by the kernel.
--
--ramdisk_size: .long 0 # its size in bytes
--
--bootsect_kludge:
-- .long 0 # obsolete
--
--heap_end_ptr: .word modelist+1024 # (Header version 0x0201 or later)
-- # space from here (exclusive) down to
-- # end of setup code can be used by setup
-- # for local heap purposes.
--
--pad1: .word 0
--cmd_line_ptr: .long 0 # (Header version 0x0202 or later)
-- # If nonzero, a 32-bit pointer
-- # to the kernel command line.
-- # The command line should be
-- # located between the start of
-- # setup and the end of low
-- # memory (0xa0000), or it may
-- # get overwritten before it
-- # gets read. If this field is
-- # used, there is no longer
-- # anything magical about the
-- # 0x90000 segment; the setup
-- # can be located anywhere in
-- # low memory 0x10000 or higher.
--
--ramdisk_max: .long 0xffffffff
--kernel_alignment: .long 0x200000 # physical addr alignment required for
-- # protected mode relocatable kernel
--#ifdef CONFIG_RELOCATABLE
--relocatable_kernel: .byte 1
--#else
--relocatable_kernel: .byte 0
--#endif
--pad2: .byte 0
--pad3: .word 0
--
--cmdline_size: .long COMMAND_LINE_SIZE-1 #length of the command line,
-- #added with boot protocol
-- #version 2.06
--
--trampoline: call start_of_setup
-- .align 16
-- # The offset at this point is 0x240
-- .space (0xeff-0x240+1) # E820 & EDD space (ending at 0xeff)
--# End of setup header #####################################################
--
--start_of_setup:
--# Bootlin depends on this being done early
-- movw $0x01500, %ax
-- movb $0x81, %dl
-- int $0x13
--
--#ifdef SAFE_RESET_DISK_CONTROLLER
--# Reset the disk controller.
-- movw $0x0000, %ax
-- movb $0x80, %dl
-- int $0x13
--#endif
--
--# Set %ds = %cs, we know that SETUPSEG = %cs at this point
-- movw %cs, %ax # aka SETUPSEG
-- movw %ax, %ds
--# Check signature at end of setup
-- cmpw $SIG1, setup_sig1
-- jne bad_sig
--
-- cmpw $SIG2, setup_sig2
-- jne bad_sig
--
-- jmp good_sig1
--
--# Routine to print asciiz string at ds:si
--prtstr:
-- lodsb
-- andb %al, %al
-- jz fin
--
-- call prtchr
-- jmp prtstr
--
--fin: ret
--
--# Space printing
--prtsp2: call prtspc # Print double space
--prtspc: movb $0x20, %al # Print single space (note: fall-thru)
--
--prtchr:
-- pushw %ax
-- pushw %cx
-- movw $0007,%bx
-- movw $0x01, %cx
-- movb $0x0e, %ah
-- int $0x10
-- popw %cx
-- popw %ax
-- ret
--
--beep: movb $0x07, %al
-- jmp prtchr
--
--no_sig_mess: .string "No setup signature found ..."
--
--good_sig1:
-- jmp good_sig
--
--# We now have to find the rest of the setup code/data
--bad_sig:
-- movw %cs, %ax # SETUPSEG
-- subw $DELTA_INITSEG, %ax # INITSEG
-- movw %ax, %ds
-- xorb %bh, %bh
-- movb (497), %bl # get setup sect from bootsect
-- subw $4, %bx # LILO loads 4 sectors of setup
-- shlw $8, %bx # convert to words (1sect=2^8 words)
-- movw %bx, %cx
-- shrw $3, %bx # convert to segment
-- addw $SYSSEG, %bx
-- movw %bx, %cs:start_sys_seg
--# Move rest of setup code/data to here
-- movw $2048, %di # four sectors loaded by LILO
-- subw %si, %si
-- movw %cs, %ax # aka SETUPSEG
-- movw %ax, %es
-- movw $SYSSEG, %ax
-- movw %ax, %ds
-- rep
-- movsw
-- movw %cs, %ax # aka SETUPSEG
-- movw %ax, %ds
-- cmpw $SIG1, setup_sig1
-- jne no_sig
--
-- cmpw $SIG2, setup_sig2
-- jne no_sig
--
-- jmp good_sig
--
--no_sig:
-- lea no_sig_mess, %si
-- call prtstr
--
--no_sig_loop:
-- jmp no_sig_loop
--
--good_sig:
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ax, %ds
--# Check if an old loader tries to load a big-kernel
-- testb $LOADED_HIGH, %cs:loadflags # Do we have a big kernel?
-- jz loader_ok # No, no danger for old loaders.
--
-- cmpb $0, %cs:type_of_loader # Do we have a loader that
-- # can deal with us?
-- jnz loader_ok # Yes, continue.
--
-- pushw %cs # No, we have an old loader,
-- popw %ds # die.
-- lea loader_panic_mess, %si
-- call prtstr
--
-- jmp no_sig_loop
--
--loader_panic_mess: .string "Wrong loader, giving up..."
--
--loader_ok:
-- /* check for long mode. */
-- /* we have to do this before the VESA setup, otherwise the user
-- can't see the error message. */
--
-- pushw %ds
-- movw %cs,%ax
-- movw %ax,%ds
--
-- call verify_cpu
-- testl %eax,%eax
-- jz sse_ok
--
--no_longmode:
-- call beep
-- lea long_mode_panic,%si
-- call prtstr
--no_longmode_loop:
-- jmp no_longmode_loop
--long_mode_panic:
-- .string "Your CPU does not support long mode. Use a 32bit distribution."
-- .byte 0
--
--#include "../kernel/verify_cpu.S"
--sse_ok:
-- popw %ds
--
--# tell BIOS we want to go to long mode
-- movl $0xec00,%eax # declare target operating mode
-- movl $2,%ebx # long mode
-- int $0x15
--
--# Get memory size (extended mem, kB)
--
-- xorl %eax, %eax
-- movl %eax, (0x1e0)
--#ifndef STANDARD_MEMORY_BIOS_CALL
-- movb %al, (E820NR)
--# Try three different memory detection schemes. First, try
--# e820h, which lets us assemble a memory map, then try e801h,
--# which returns a 32-bit memory size, and finally 88h, which
--# returns 0-64m
--
--# method E820H:
--# the memory map from hell. e820h returns memory classified into
--# a whole bunch of different types, and allows memory holes and
--# everything. We scan through this memory map and build a list
--# of the first 32 memory areas, which we return at [E820MAP].
--# This is documented at http://www.acpi.info/, in the ACPI 2.0 specification.
--
--#define SMAP 0x534d4150
--
--meme820:
-- xorl %ebx, %ebx # continuation counter
-- movw $E820MAP, %di # point into the whitelist
-- # so we can have the bios
-- # directly write into it.
--
--jmpe820:
-- movl $0x0000e820, %eax # e820, upper word zeroed
-- movl $SMAP, %edx # ascii 'SMAP'
-- movl $20, %ecx # size of the e820rec
-- pushw %ds # data record.
-- popw %es
-- int $0x15 # make the call
-- jc bail820 # fall to e801 if it fails
--
-- cmpl $SMAP, %eax # check the return is `SMAP'
-- jne bail820 # fall to e801 if it fails
--
--# cmpl $1, 16(%di) # is this usable memory?
--# jne again820
--
-- # If this is usable memory, we save it by simply advancing %di by
-- # sizeof(e820rec).
-- #
--good820:
-- movb (E820NR), %al # up to 128 entries
-- cmpb $E820MAX, %al
-- jae bail820
--
-- incb (E820NR)
-- movw %di, %ax
-- addw $20, %ax
-- movw %ax, %di
--again820:
-- cmpl $0, %ebx # check to see if
-- jne jmpe820 # %ebx is set to EOF
--bail820:
--
--
--# method E801H:
--# memory size is in 1k chunksizes, to avoid confusing loadlin.
--# we store the 0xe801 memory size in a completely different place,
--# because it will most likely be longer than 16 bits.
--# (use 1e0 because that's what Larry Augustine uses in his
--# alternative new memory detection scheme, and it's sensible
--# to write everything into the same place.)
--
--meme801:
-- stc # fix to work around buggy
-- xorw %cx,%cx # BIOSes which don't clear/set
-- xorw %dx,%dx # carry on pass/error of
-- # e801h memory size call
-- # or merely pass cx,dx though
-- # without changing them.
-- movw $0xe801, %ax
-- int $0x15
-- jc mem88
--
-- cmpw $0x0, %cx # Kludge to handle BIOSes
-- jne e801usecxdx # which report their extended
-- cmpw $0x0, %dx # memory in AX/BX rather than
-- jne e801usecxdx # CX/DX. The spec I have read
-- movw %ax, %cx # seems to indicate AX/BX
-- movw %bx, %dx # are more reasonable anyway...
--
--e801usecxdx:
-- andl $0xffff, %edx # clear sign extend
-- shll $6, %edx # and go from 64k to 1k chunks
-- movl %edx, (0x1e0) # store extended memory size
-- andl $0xffff, %ecx # clear sign extend
-- addl %ecx, (0x1e0) # and add lower memory into
-- # total size.
--
--# Ye Olde Traditional Methode. Returns the memory size (up to 16mb or
--# 64mb, depending on the bios) in ax.
--mem88:
--
--#endif
-- movb $0x88, %ah
-- int $0x15
-- movw %ax, (2)
--
--# Set the keyboard repeat rate to the max
-- movw $0x0305, %ax
-- xorw %bx, %bx
-- int $0x16
--
--# Check for video adapter and its parameters and allow the
--# user to browse video modes.
-- call video # NOTE: we need %ds pointing
-- # to bootsector
--
--# Get hd0 data...
-- xorw %ax, %ax
-- movw %ax, %ds
-- ldsw (4 * 0x41), %si
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- pushw %ax
-- movw %ax, %es
-- movw $0x0080, %di
-- movw $0x10, %cx
-- pushw %cx
-- cld
-- rep
-- movsb
--# Get hd1 data...
-- xorw %ax, %ax
-- movw %ax, %ds
-- ldsw (4 * 0x46), %si
-- popw %cx
-- popw %es
-- movw $0x0090, %di
-- rep
-- movsb
--# Check that there IS a hd1 :-)
-- movw $0x01500, %ax
-- movb $0x81, %dl
-- int $0x13
-- jc no_disk1
--
-- cmpb $3, %ah
-- je is_disk1
--
--no_disk1:
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ax, %es
-- movw $0x0090, %di
-- movw $0x10, %cx
-- xorw %ax, %ax
-- cld
-- rep
-- stosb
--is_disk1:
--
--# Check for PS/2 pointing device
-- movw %cs, %ax # aka SETUPSEG
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ax, %ds
-- movb $0, (0x1ff) # default is no pointing device
-- int $0x11 # int 0x11: equipment list
-- testb $0x04, %al # check if mouse installed
-- jz no_psmouse
--
-- movb $0xAA, (0x1ff) # device present
--no_psmouse:
--
--#include "../../i386/boot/edd.S"
--
--# Now we want to move to protected mode ...
-- cmpw $0, %cs:realmode_swtch
-- jz rmodeswtch_normal
--
-- lcall *%cs:realmode_swtch
--
-- jmp rmodeswtch_end
--
--rmodeswtch_normal:
-- pushw %cs
-- call default_switch
--
--rmodeswtch_end:
--# we get the code32 start address and modify the below 'jmpi'
--# (loader may have changed it)
-- movl %cs:code32_start, %eax
-- movl %eax, %cs:code32
--
--# Now we move the system to its rightful place ... but we check if we have a
--# big-kernel. In that case we *must* not move it ...
-- testb $LOADED_HIGH, %cs:loadflags
-- jz do_move0 # .. then we have a normal low
-- # loaded zImage
-- # .. or else we have a high
-- # loaded bzImage
-- jmp end_move # ... and we skip moving
--
--do_move0:
-- movw $0x100, %ax # start of destination segment
-- movw %cs, %bp # aka SETUPSEG
-- subw $DELTA_INITSEG, %bp # aka INITSEG
-- movw %cs:start_sys_seg, %bx # start of source segment
-- cld
--do_move:
-- movw %ax, %es # destination segment
-- incb %ah # instead of add ax,#0x100
-- movw %bx, %ds # source segment
-- addw $0x100, %bx
-- subw %di, %di
-- subw %si, %si
-- movw $0x800, %cx
-- rep
-- movsw
-- cmpw %bp, %bx # assume start_sys_seg > 0x200,
-- # so we will perhaps read one
-- # page more than needed, but
-- # never overwrite INITSEG
-- # because destination is a
-- # minimum one page below source
-- jb do_move
--
--end_move:
--# then we load the segment descriptors
-- movw %cs, %ax # aka SETUPSEG
-- movw %ax, %ds
--
--# Check whether we need to be downward compatible with version <=201
-- cmpl $0, cmd_line_ptr
-- jne end_move_self # loader uses version >=202 features
-- cmpb $0x20, type_of_loader
-- je end_move_self # bootsect loader, we know of it
--
--# Boot loader doesnt support boot protocol version 2.02.
--# If we have our code not at 0x90000, we need to move it there now.
--# We also then need to move the params behind it (commandline)
--# Because we would overwrite the code on the current IP, we move
--# it in two steps, jumping high after the first one.
-- movw %cs, %ax
-- cmpw $SETUPSEG, %ax
-- je end_move_self
--
-- cli # make sure we really have
-- # interrupts disabled !
-- # because after this the stack
-- # should not be used
-- subw $DELTA_INITSEG, %ax # aka INITSEG
-- movw %ss, %dx
-- cmpw %ax, %dx
-- jb move_self_1
--
-- addw $INITSEG, %dx
-- subw %ax, %dx # this will go into %ss after
-- # the move
--move_self_1:
-- movw %ax, %ds
-- movw $INITSEG, %ax # real INITSEG
-- movw %ax, %es
-- movw %cs:setup_move_size, %cx
-- std # we have to move up, so we use
-- # direction down because the
-- # areas may overlap
-- movw %cx, %di
-- decw %di
-- movw %di, %si
-- subw $move_self_here+0x200, %cx
-- rep
-- movsb
-- ljmp $SETUPSEG, $move_self_here
--
--move_self_here:
-- movw $move_self_here+0x200, %cx
-- rep
-- movsb
-- movw $SETUPSEG, %ax
-- movw %ax, %ds
-- movw %dx, %ss
--end_move_self: # now we are at the right place
-- lidt idt_48 # load idt with 0,0
-- xorl %eax, %eax # Compute gdt_base
-- movw %ds, %ax # (Convert %ds:gdt to a linear ptr)
-- shll $4, %eax
-- addl $gdt, %eax
-- movl %eax, (gdt_48+2)
-- lgdt gdt_48 # load gdt with whatever is
-- # appropriate
--
--# that was painless, now we enable a20
-- call empty_8042
--
-- movb $0xD1, %al # command write
-- outb %al, $0x64
-- call empty_8042
--
-- movb $0xDF, %al # A20 on
-- outb %al, $0x60
-- call empty_8042
--
--#
--# You must preserve the other bits here. Otherwise embarrasing things
--# like laptops powering off on boot happen. Corrected version by Kira
--# Brown from Linux 2.2
--#
-- inb $0x92, %al #
-- orb $02, %al # "fast A20" version
-- outb %al, $0x92 # some chips have only this
--
--# wait until a20 really *is* enabled; it can take a fair amount of
--# time on certain systems; Toshiba Tecras are known to have this
--# problem. The memory location used here (0x200) is the int 0x80
--# vector, which should be safe to use.
--
-- xorw %ax, %ax # segment 0x0000
-- movw %ax, %fs
-- decw %ax # segment 0xffff (HMA)
-- movw %ax, %gs
--a20_wait:
-- incw %ax # unused memory location <0xfff0
-- movw %ax, %fs:(0x200) # we use the "int 0x80" vector
-- cmpw %gs:(0x210), %ax # and its corresponding HMA addr
-- je a20_wait # loop until no longer aliased
--
--# make sure any possible coprocessor is properly reset..
-- xorw %ax, %ax
-- outb %al, $0xf0
-- call delay
--
-- outb %al, $0xf1
-- call delay
--
--# well, that went ok, I hope. Now we mask all interrupts - the rest
--# is done in init_IRQ().
-- movb $0xFF, %al # mask all interrupts for now
-- outb %al, $0xA1
-- call delay
--
-- movb $0xFB, %al # mask all irq's but irq2 which
-- outb %al, $0x21 # is cascaded
--
--# Well, that certainly wasn't fun :-(. Hopefully it works, and we don't
--# need no steenking BIOS anyway (except for the initial loading :-).
--# The BIOS-routine wants lots of unnecessary data, and it's less
--# "interesting" anyway. This is how REAL programmers do it.
--#
--# Well, now's the time to actually move into protected mode. To make
--# things as simple as possible, we do no register set-up or anything,
--# we let the gnu-compiled 32-bit programs do that. We just jump to
--# absolute address 0x1000 (or the loader supplied one),
--# in 32-bit protected mode.
--#
--# Note that the short jump isn't strictly needed, although there are
--# reasons why it might be a good idea. It won't hurt in any case.
-- movw $1, %ax # protected mode (PE) bit
-- lmsw %ax # This is it!
-- jmp flush_instr
--
--flush_instr:
-- xorw %bx, %bx # Flag to indicate a boot
-- xorl %esi, %esi # Pointer to real-mode code
-- movw %cs, %si
-- subw $DELTA_INITSEG, %si
-- shll $4, %esi # Convert to 32-bit pointer
--# NOTE: For high loaded big kernels we need a
--# jmpi 0x100000,__KERNEL_CS
--#
--# but we yet haven't reloaded the CS register, so the default size
--# of the target offset still is 16 bit.
--# However, using an operand prefix (0x66), the CPU will properly
--# take our 48 bit far pointer. (INTeL 80386 Programmer's Reference
--# Manual, Mixing 16-bit and 32-bit code, page 16-6)
--
-- .byte 0x66, 0xea # prefix + jmpi-opcode
--code32: .long 0x1000 # will be set to 0x100000
-- # for big kernels
-- .word __KERNEL_CS
--
--# Here's a bunch of information about your current kernel..
--kernel_version: .ascii UTS_RELEASE
-- .ascii " ("
-- .ascii LINUX_COMPILE_BY
-- .ascii "@"
-- .ascii LINUX_COMPILE_HOST
-- .ascii ") "
-- .ascii UTS_VERSION
-- .byte 0
--
--# This is the default real mode switch routine.
--# to be called just before protected mode transition
--default_switch:
-- cli # no interrupts allowed !
-- movb $0x80, %al # disable NMI for bootup
-- # sequence
-- outb %al, $0x70
-- lret
--
--
--# This routine checks that the keyboard command queue is empty
--# (after emptying the output buffers)
--#
--# Some machines have delusions that the keyboard buffer is always full
--# with no keyboard attached...
--#
--# If there is no keyboard controller, we will usually get 0xff
--# to all the reads. With each IO taking a microsecond and
--# a timeout of 100,000 iterations, this can take about half a
--# second ("delay" == outb to port 0x80). That should be ok,
--# and should also be plenty of time for a real keyboard controller
--# to empty.
--#
--
--empty_8042:
-- pushl %ecx
-- movl $100000, %ecx
--
--empty_8042_loop:
-- decl %ecx
-- jz empty_8042_end_loop
--
-- call delay
--
-- inb $0x64, %al # 8042 status port
-- testb $1, %al # output buffer?
-- jz no_output
--
-- call delay
-- inb $0x60, %al # read it
-- jmp empty_8042_loop
--
--no_output:
-- testb $2, %al # is input buffer full?
-- jnz empty_8042_loop # yes - loop
--empty_8042_end_loop:
-- popl %ecx
-- ret
--
--# Read the cmos clock. Return the seconds in al
--gettime:
-- pushw %cx
-- movb $0x02, %ah
-- int $0x1a
-- movb %dh, %al # %dh contains the seconds
-- andb $0x0f, %al
-- movb %dh, %ah
-- movb $0x04, %cl
-- shrb %cl, %ah
-- aad
-- popw %cx
-- ret
--
--# Delay is needed after doing I/O
--delay:
-- outb %al,$0x80
-- ret
--
--# Descriptor tables
--gdt:
-- .word 0, 0, 0, 0 # dummy
--
-- .word 0, 0, 0, 0 # unused
--
-- .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb)
-- .word 0 # base address = 0
-- .word 0x9A00 # code read/exec
-- .word 0x00CF # granularity = 4096, 386
-- # (+5th nibble of limit)
--
-- .word 0xFFFF # 4Gb - (0x100000*0x1000 = 4Gb)
-- .word 0 # base address = 0
-- .word 0x9200 # data read/write
-- .word 0x00CF # granularity = 4096, 386
-- # (+5th nibble of limit)
--gdt_end:
--idt_48:
-- .word 0 # idt limit = 0
-- .word 0, 0 # idt base = 0L
--gdt_48:
-- .word gdt_end-gdt-1 # gdt limit
-- .word 0, 0 # gdt base (filled in later)
--
--# Include video setup & detection code
--
--#include "../../i386/boot/video.S"
--
--# Setup signature -- must be last
--setup_sig1: .word SIG1
--setup_sig2: .word SIG2
--
--# After this point, there is some free space which is used by the video mode
--# handling code to store the temporary mode table (not used by the kernel).
--
--modelist:
--
--.text
--endtext:
--.data
--enddata:
--.bss
--endbss:
---- a/arch/x86_64/boot/tools/build.c
-+++ /dev/null
-@@ -1,185 +0,0 @@
--/*
-- * Copyright (C) 1991, 1992 Linus Torvalds
-- * Copyright (C) 1997 Martin Mares
-- */
--
--/*
-- * This file builds a disk-image from three different files:
-- *
-- * - bootsect: compatibility mbr which prints an error message if
-- * someone tries to boot the kernel directly.
-- * - setup: 8086 machine code, sets up system parm
-- * - system: 80386 code for actual system
-- *
-- * It does some checking that all files are of the correct type, and
-- * just writes the result to stdout, removing headers and padding to
-- * the right amount. It also writes some system data to stderr.
-- */
--
--/*
-- * Changes by tytso to allow root device specification
-- * High loaded stuff by Hans Lermen & Werner Almesberger, Feb. 1996
-- * Cross compiling fixes by Gertjan van Wingerde, July 1996
-- * Rewritten by Martin Mares, April 1997
-- */
--
--#include <stdio.h>
--#include <string.h>
--#include <stdlib.h>
--#include <stdarg.h>
--#include <sys/types.h>
--#include <sys/stat.h>
--#include <sys/sysmacros.h>
--#include <unistd.h>
--#include <fcntl.h>
--#include <asm/boot.h>
--
--typedef unsigned char byte;
--typedef unsigned short word;
--typedef unsigned long u32;
--
--#define DEFAULT_MAJOR_ROOT 0
--#define DEFAULT_MINOR_ROOT 0
--
--/* Minimal number of setup sectors (see also bootsect.S) */
--#define SETUP_SECTS 4
--
--byte buf[1024];
--int fd;
--int is_big_kernel;
--
--void die(const char * str, ...)
--{
-- va_list args;
-- va_start(args, str);
-- vfprintf(stderr, str, args);
-- fputc('\n', stderr);
-- exit(1);
--}
--
--void file_open(const char *name)
--{
-- if ((fd = open(name, O_RDONLY, 0)) < 0)
-- die("Unable to open `%s': %m", name);
--}
--
--void usage(void)
--{
-- die("Usage: build [-b] bootsect setup system [rootdev] [> image]");
--}
--
--int main(int argc, char ** argv)
--{
-- unsigned int i, c, sz, setup_sectors;
-- u32 sys_size;
-- byte major_root, minor_root;
-- struct stat sb;
--
-- if (argc > 2 && !strcmp(argv[1], "-b"))
-- {
-- is_big_kernel = 1;
-- argc--, argv++;
-- }
-- if ((argc < 4) || (argc > 5))
-- usage();
-- if (argc > 4) {
-- if (!strcmp(argv[4], "CURRENT")) {
-- if (stat("/", &sb)) {
-- perror("/");
-- die("Couldn't stat /");
-- }
-- major_root = major(sb.st_dev);
-- minor_root = minor(sb.st_dev);
-- } else if (strcmp(argv[4], "FLOPPY")) {
-- if (stat(argv[4], &sb)) {
-- perror(argv[4]);
-- die("Couldn't stat root device.");
-- }
-- major_root = major(sb.st_rdev);
-- minor_root = minor(sb.st_rdev);
-- } else {
-- major_root = 0;
-- minor_root = 0;
-- }
-- } else {
-- major_root = DEFAULT_MAJOR_ROOT;
-- minor_root = DEFAULT_MINOR_ROOT;
-- }
-- fprintf(stderr, "Root device is (%d, %d)\n", major_root, minor_root);
--
-- file_open(argv[1]);
-- i = read(fd, buf, sizeof(buf));
-- fprintf(stderr,"Boot sector %d bytes.\n",i);
-- if (i != 512)
-- die("Boot block must be exactly 512 bytes");
-- if (buf[510] != 0x55 || buf[511] != 0xaa)
-- die("Boot block hasn't got boot flag (0xAA55)");
-- buf[508] = minor_root;
-- buf[509] = major_root;
-- if (write(1, buf, 512) != 512)
-- die("Write call failed");
-- close (fd);
--
-- file_open(argv[2]); /* Copy the setup code */
-- for (i=0 ; (c=read(fd, buf, sizeof(buf)))>0 ; i+=c )
-- if (write(1, buf, c) != c)
-- die("Write call failed");
-- if (c != 0)
-- die("read-error on `setup'");
-- close (fd);
--
-- setup_sectors = (i + 511) / 512; /* Pad unused space with zeros */
-- /* for compatibility with ancient versions of LILO. */
-- if (setup_sectors < SETUP_SECTS)
-- setup_sectors = SETUP_SECTS;
-- fprintf(stderr, "Setup is %d bytes.\n", i);
-- memset(buf, 0, sizeof(buf));
-- while (i < setup_sectors * 512) {
-- c = setup_sectors * 512 - i;
-- if (c > sizeof(buf))
-- c = sizeof(buf);
-- if (write(1, buf, c) != c)
-- die("Write call failed");
-- i += c;
-- }
--
-- file_open(argv[3]);
-- if (fstat (fd, &sb))
-- die("Unable to stat `%s': %m", argv[3]);
-- sz = sb.st_size;
-- fprintf (stderr, "System is %d kB\n", sz/1024);
-- sys_size = (sz + 15) / 16;
-- if (!is_big_kernel && sys_size > DEF_SYSSIZE)
-- die("System is too big. Try using bzImage or modules.");
-- while (sz > 0) {
-- int l, n;
--
-- l = (sz > sizeof(buf)) ? sizeof(buf) : sz;
-- if ((n=read(fd, buf, l)) != l) {
-- if (n < 0)
-- die("Error reading %s: %m", argv[3]);
-- else
-- die("%s: Unexpected EOF", argv[3]);
-- }
-- if (write(1, buf, l) != l)
-- die("Write failed");
-- sz -= l;
-- }
-- close(fd);
--
-- if (lseek(1, 497, SEEK_SET) != 497) /* Write sizes to the bootsector */
-- die("Output: seek failed");
-- buf[0] = setup_sectors;
-- if (write(1, buf, 1) != 1)
-- die("Write of setup sector count failed");
-- if (lseek(1, 500, SEEK_SET) != 500)
-- die("Output: seek failed");
-- buf[0] = (sys_size & 0xff);
-- buf[1] = ((sys_size >> 8) & 0xff);
-- buf[2] = ((sys_size >> 16) & 0xff);
-- buf[3] = ((sys_size >> 24) & 0xff);
-- if (write(1, buf, 4) != 4)
-- die("Write of image length failed");
--
-- return 0; /* Everything is OK */
--}
---- a/arch/x86_64/kernel/Makefile
-+++ b/arch/x86_64/kernel/Makefile
-@@ -43,6 +43,7 @@
-
- obj-y += topology.o
- obj-y += intel_cacheinfo.o
-+obj-y += addon_cpuid_features.o
- obj-y += pcspeaker.o
-
- CFLAGS_vsyscall.o := $(PROFILING) -g0
-@@ -53,6 +54,7 @@
- topology-y += ../../i386/kernel/topology.o
- microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../i386/kernel/microcode.o
- intel_cacheinfo-y += ../../i386/kernel/cpu/intel_cacheinfo.o
-+addon_cpuid_features-y += ../../i386/kernel/cpu/addon_cpuid_features.o
- quirks-y += ../../i386/kernel/quirks.o
- i8237-y += ../../i386/kernel/i8237.o
- msr-$(subst m,y,$(CONFIG_X86_MSR)) += ../../i386/kernel/msr.o
---- a/arch/x86_64/kernel/setup.c
-+++ b/arch/x86_64/kernel/setup.c
-@@ -846,6 +846,8 @@
- c->x86_capability[2] = cpuid_edx(0x80860001);
- }
-
-+ init_scattered_cpuid_features(c);
-+
- c->apicid = phys_pkg_id(0);
-
- /*
-@@ -931,7 +933,7 @@
- "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
- "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov",
- "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx",
-- "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", NULL,
-+ "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe",
-
- /* AMD-defined */
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-@@ -947,10 +949,11 @@
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
- /* Other (Linux-defined) */
-- "cxmmx", NULL, "cyrix_arr", "centaur_mcr", NULL,
-- "constant_tsc", NULL, NULL,
-- "up", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+ "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr",
-+ NULL, NULL, NULL, NULL,
-+ "constant_tsc", "up", NULL, "arch_perfmon",
-+ "pebs", "bts", NULL, "sync_rdtsc",
-+ "rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
- /* Intel-defined (#2) */
-@@ -961,7 +964,7 @@
-
- /* VIA/Cyrix/Centaur-defined */
- NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en",
-- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+ "ace2", "ace2_en", "phe", "phe_en", "pmm", "pmm_en", NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-
-@@ -972,6 +975,12 @@
- "osvw", "ibs", NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+
-+ /* Auxiliary (Linux-defined) */
-+ "ida", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- };
- static char *x86_power_flags[] = {
- "ts", /* temperature sensor */
---- a/arch/x86_64/kernel/verify_cpu.S
-+++ b/arch/x86_64/kernel/verify_cpu.S
-@@ -37,20 +37,6 @@
- pushl $0 # Kill any dangerous flags
- popfl
-
-- /* minimum CPUID flags for x86-64 as defined by AMD */
--#define M(x) (1<<(x))
--#define M2(a,b) M(a)|M(b)
--#define M4(a,b,c,d) M(a)|M(b)|M(c)|M(d)
--
--#define SSE_MASK \
-- (M2(X86_FEATURE_XMM,X86_FEATURE_XMM2))
--#define REQUIRED_MASK1 \
-- (M4(X86_FEATURE_FPU,X86_FEATURE_PSE,X86_FEATURE_TSC,X86_FEATURE_MSR)|\
-- M4(X86_FEATURE_PAE,X86_FEATURE_CX8,X86_FEATURE_PGE,X86_FEATURE_CMOV)|\
-- M(X86_FEATURE_FXSR))
--#define REQUIRED_MASK2 \
-- (M(X86_FEATURE_LM - 32))
--
- pushfl # standard way to check for cpuid
- popl %eax
- movl %eax,%ebx
-@@ -79,8 +65,8 @@
- verify_cpu_noamd:
- movl $0x1,%eax # Does the cpu have what it takes
- cpuid
-- andl $REQUIRED_MASK1,%edx
-- xorl $REQUIRED_MASK1,%edx
-+ andl $REQUIRED_MASK0,%edx
-+ xorl $REQUIRED_MASK0,%edx
- jnz verify_cpu_no_longmode
-
- movl $0x80000000,%eax # See if extended cpuid is implemented
-@@ -90,8 +76,8 @@
-
- movl $0x80000001,%eax # Does the cpu have what it takes
- cpuid
-- andl $REQUIRED_MASK2,%edx
-- xorl $REQUIRED_MASK2,%edx
-+ andl $REQUIRED_MASK1,%edx
-+ xorl $REQUIRED_MASK1,%edx
- jnz verify_cpu_no_longmode
-
- verify_cpu_sse_test:
---- a/drivers/ide/legacy/hd.c
-+++ b/drivers/ide/legacy/hd.c
-@@ -718,74 +718,25 @@
- device_timer.function = hd_times_out;
- blk_queue_hardsect_size(hd_queue, 512);
-
--#ifdef __i386__
- if (!NR_HD) {
-- extern struct drive_info drive_info;
-- unsigned char *BIOS = (unsigned char *) &drive_info;
-- unsigned long flags;
-- int cmos_disks;
--
-- for (drive=0 ; drive<2 ; drive++) {
-- hd_info[drive].cyl = *(unsigned short *) BIOS;
-- hd_info[drive].head = *(2+BIOS);
-- hd_info[drive].wpcom = *(unsigned short *) (5+BIOS);
-- hd_info[drive].ctl = *(8+BIOS);
-- hd_info[drive].lzone = *(unsigned short *) (12+BIOS);
-- hd_info[drive].sect = *(14+BIOS);
--#ifdef does_not_work_for_everybody_with_scsi_but_helps_ibm_vp
-- if (hd_info[drive].cyl && NR_HD == drive)
-- NR_HD++;
--#endif
-- BIOS += 16;
-- }
--
-- /*
-- We query CMOS about hard disks : it could be that
-- we have a SCSI/ESDI/etc controller that is BIOS
-- compatible with ST-506, and thus showing up in our
-- BIOS table, but not register compatible, and therefore
-- not present in CMOS.
--
-- Furthermore, we will assume that our ST-506 drives
-- <if any> are the primary drives in the system, and
-- the ones reflected as drive 1 or 2.
--
-- The first drive is stored in the high nibble of CMOS
-- byte 0x12, the second in the low nibble. This will be
-- either a 4 bit drive type or 0xf indicating use byte 0x19
-- for an 8 bit type, drive 1, 0x1a for drive 2 in CMOS.
--
-- Needless to say, a non-zero value means we have
-- an AT controller hard disk for that drive.
--
-- Currently the rtc_lock is a bit academic since this
-- driver is non-modular, but someday... ? Paul G.
-- */
--
-- spin_lock_irqsave(&rtc_lock, flags);
-- cmos_disks = CMOS_READ(0x12);
-- spin_unlock_irqrestore(&rtc_lock, flags);
--
-- if (cmos_disks & 0xf0) {
-- if (cmos_disks & 0x0f)
-- NR_HD = 2;
-- else
-- NR_HD = 1;
-- }
-- }
--#endif /* __i386__ */
--#ifdef __arm__
-- if (!NR_HD) {
-- /* We don't know anything about the drive. This means
-+ /*
-+ * We don't know anything about the drive. This means
- * that you *MUST* specify the drive parameters to the
- * kernel yourself.
-+ *
-+ * If we were on an i386, we used to read this info from
-+ * the BIOS or CMOS. This doesn't work all that well,
-+ * since this assumes that this is a primary or secondary
-+ * drive, and if we're using this legacy driver, it's
-+ * probably an auxilliary controller added to recover
-+ * legacy data off an ST-506 drive. Either way, it's
-+ * definitely safest to have the user explicitly specify
-+ * the information.
- */
- printk("hd: no drives specified - use hd=cyl,head,sectors"
- " on kernel command line\n");
-- }
--#endif
-- if (!NR_HD)
- goto out;
-+ }
-
- for (drive=0 ; drive < NR_HD ; drive++) {
- struct gendisk *disk = alloc_disk(64);
---- a/include/asm-i386/boot.h
-+++ b/include/asm-i386/boot.h
-@@ -1,5 +1,5 @@
--#ifndef _LINUX_BOOT_H
--#define _LINUX_BOOT_H
-+#ifndef _ASM_BOOT_H
-+#define _ASM_BOOT_H
-
- /* Don't touch these, unless you really know what you're doing. */
- #define DEF_INITSEG 0x9000
-@@ -17,4 +17,4 @@
- + (CONFIG_PHYSICAL_ALIGN - 1)) \
- & ~(CONFIG_PHYSICAL_ALIGN - 1))
-
--#endif /* _LINUX_BOOT_H */
-+#endif /* _ASM_BOOT_H */
---- /dev/null
-+++ b/include/asm-i386/bootparam.h
-@@ -0,0 +1,85 @@
-+#ifndef _ASM_BOOTPARAM_H
-+#define _ASM_BOOTPARAM_H
-+
-+#include <linux/types.h>
-+#include <linux/screen_info.h>
-+#include <linux/apm_bios.h>
-+#include <asm/e820.h>
-+#include <linux/edd.h>
-+#include <video/edid.h>
-+
-+struct setup_header {
-+ u8 setup_sects;
-+ u16 root_flags;
-+ u32 syssize;
-+ u16 ram_size;
-+ u16 vid_mode;
-+ u16 root_dev;
-+ u16 boot_flag;
-+ u16 jump;
-+ u32 header;
-+ u16 version;
-+ u32 realmode_swtch;
-+ u16 start_sys;
-+ u16 kernel_version;
-+ u8 type_of_loader;
-+ u8 loadflags;
-+#define LOADED_HIGH 0x01
-+#define CAN_USE_HEAP 0x80
-+ u16 setup_move_size;
-+ u32 code32_start;
-+ u32 ramdisk_image;
-+ u32 ramdisk_size;
-+ u32 bootsect_kludge;
-+ u16 heap_end_ptr;
-+ u16 _pad1;
-+ u32 cmd_line_ptr;
-+ u32 initrd_addr_max;
-+ u32 kernel_alignment;
-+ u8 relocatable_kernel;
-+} __attribute__((packed));
-+
-+struct sys_desc_table {
-+ u16 length;
-+ u8 table[14];
-+};
-+
-+struct efi_info {
-+ u32 _pad1;
-+ u32 efi_systab;
-+ u32 efi_memdesc_size;
-+ u32 efi_memdec_version;
-+ u32 efi_memmap;
-+ u32 fi_memmap_size;
-+ u32 _pad2[2];
-+};
-+
-+/* The so-called "zeropage" */
-+struct boot_params {
-+ struct screen_info screen_info; /* 0x000 */
-+ struct apm_bios_info apm_bios_info; /* 0x040 */
-+ u8 _pad2[12]; /* 0x054 */
-+ u32 speedstep_info[4]; /* 0x060 */
-+ u8 _pad3[16]; /* 0x070 */
-+ u8 hd0_info[16]; /* obsolete! */ /* 0x080 */
-+ u8 hd1_info[16]; /* obsolete! */ /* 0x090 */
-+ struct sys_desc_table sys_desc_table; /* 0x0a0 */
-+ u8 _pad4[144]; /* 0x0b0 */
-+ struct edid_info edid_info; /* 0x140 */
-+ struct efi_info efi_info; /* 0x1c0 */
-+ u32 alt_mem_k; /* 0x1e0 */
-+ u32 scratch; /* Scratch field! */ /* 0x1e4 */
-+ u8 e820_entries; /* 0x1e8 */
-+ u8 eddbuf_entries; /* 0x1e9 */
-+ u8 edd_mbr_sig_buf_entries; /* 0x1ea */
-+ u8 _pad6[6]; /* 0x1eb */
-+ struct setup_header hdr; /* setup header */ /* 0x1f1 */
-+ u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
-+ u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */
-+ struct e820entry e820_map[E820MAX]; /* 0x2d0 */
-+ u8 _pad8[48]; /* 0xcd0 */
-+ struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */
-+ u8 _pad9[276]; /* 0xeec */
-+} __attribute__((packed));
-+
-+#endif /* _ASM_BOOTPARAM_H */
---- a/include/asm-i386/cpufeature.h
-+++ b/include/asm-i386/cpufeature.h
-@@ -12,7 +12,7 @@
- #endif
- #include <asm/required-features.h>
-
--#define NCAPINTS 7 /* N 32-bit words worth of info */
-+#define NCAPINTS 8 /* N 32-bit words worth of info */
-
- /* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */
- #define X86_FEATURE_FPU (0*32+ 0) /* Onboard FPU */
-@@ -81,6 +81,7 @@
- #define X86_FEATURE_BTS (3*32+13) /* Branch Trace Store */
- /* 14 free */
- #define X86_FEATURE_SYNC_RDTSC (3*32+15) /* RDTSC synchronizes the CPU */
-+#define X86_FEATURE_REP_GOOD (3*32+16) /* rep microcode works well on this CPU */
-
- /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
- #define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */
-@@ -108,11 +109,24 @@
- #define X86_FEATURE_LAHF_LM (6*32+ 0) /* LAHF/SAHF in long mode */
- #define X86_FEATURE_CMP_LEGACY (6*32+ 1) /* If yes HyperThreading not valid */
-
--#define cpu_has(c, bit) \
-- ((__builtin_constant_p(bit) && (bit) < 32 && \
-- (1UL << (bit)) & REQUIRED_MASK1) ? \
-- 1 : \
-- test_bit(bit, (c)->x86_capability))
-+/*
-+ * Auxiliary flags: Linux defined - For features scattered in various
-+ * CPUID levels like 0x6, 0xA etc
-+ */
-+#define X86_FEATURE_IDA (7*32+ 0) /* Intel Dynamic Acceleration */
-+
-+#define cpu_has(c, bit) \
-+ (__builtin_constant_p(bit) && \
-+ ( (((bit)>>5)==0 && (1UL<<((bit)&31) & REQUIRED_MASK0)) || \
-+ (((bit)>>5)==1 && (1UL<<((bit)&31) & REQUIRED_MASK1)) || \
-+ (((bit)>>5)==2 && (1UL<<((bit)&31) & REQUIRED_MASK2)) || \
-+ (((bit)>>5)==3 && (1UL<<((bit)&31) & REQUIRED_MASK3)) || \
-+ (((bit)>>5)==4 && (1UL<<((bit)&31) & REQUIRED_MASK4)) || \
-+ (((bit)>>5)==5 && (1UL<<((bit)&31) & REQUIRED_MASK5)) || \
-+ (((bit)>>5)==6 && (1UL<<((bit)&31) & REQUIRED_MASK6)) || \
-+ (((bit)>>5)==7 && (1UL<<((bit)&31) & REQUIRED_MASK7)) ) \
-+ ? 1 : \
-+ test_bit(bit, (c)->x86_capability))
- #define boot_cpu_has(bit) cpu_has(&boot_cpu_data, bit)
-
- #define cpu_has_fpu boot_cpu_has(X86_FEATURE_FPU)
---- a/include/asm-i386/e820.h
-+++ b/include/asm-i386/e820.h
-@@ -25,13 +25,15 @@
-
- #ifndef __ASSEMBLY__
-
-+struct e820entry {
-+ u64 addr; /* start of memory segment */
-+ u64 size; /* size of memory segment */
-+ u32 type; /* type of memory segment */
-+} __attribute__((packed));
-+
- struct e820map {
-- int nr_map;
-- struct e820entry {
-- unsigned long long addr; /* start of memory segment */
-- unsigned long long size; /* size of memory segment */
-- unsigned long type; /* type of memory segment */
-- } map[E820MAX];
-+ u32 nr_map;
-+ struct e820entry map[E820MAX];
- };
-
- extern struct e820map e820;
---- a/include/asm-i386/processor.h
-+++ b/include/asm-i386/processor.h
-@@ -119,6 +119,7 @@
- extern void identify_boot_cpu(void);
- extern void identify_secondary_cpu(struct cpuinfo_x86 *);
- extern void print_cpu_info(struct cpuinfo_x86 *);
-+extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
- extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
- extern unsigned short num_cache_leaves;
-
---- a/include/asm-i386/required-features.h
-+++ b/include/asm-i386/required-features.h
-@@ -3,7 +3,7 @@
-
- /* Define minimum CPUID feature set for kernel These bits are checked
- really early to actually display a visible error message before the
-- kernel dies. Only add word 0 bits here
-+ kernel dies. Make sure to assign features to the proper mask!
-
- Some requirements that are not in CPUID yet are also in the
- CONFIG_X86_MINIMUM_CPU mode which is checked too.
-@@ -11,24 +11,45 @@
- The real information is in arch/i386/Kconfig.cpu, this just converts
- the CONFIGs into a bitmask */
-
-+#ifndef CONFIG_MATH_EMULATION
-+# define NEED_FPU (1<<(X86_FEATURE_FPU & 31))
-+#else
-+# define NEED_FPU 0
-+#endif
-+
- #ifdef CONFIG_X86_PAE
--#define NEED_PAE (1<<X86_FEATURE_PAE)
-+# define NEED_PAE (1<<(X86_FEATURE_PAE & 31))
- #else
--#define NEED_PAE 0
-+# define NEED_PAE 0
- #endif
-
- #ifdef CONFIG_X86_CMOV
--#define NEED_CMOV (1<<X86_FEATURE_CMOV)
-+# define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31))
- #else
--#define NEED_CMOV 0
-+# define NEED_CMOV 0
- #endif
-
- #ifdef CONFIG_X86_CMPXCHG64
--#define NEED_CMPXCHG64 (1<<X86_FEATURE_CX8)
-+# define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31))
-+#else
-+# define NEED_CX8 0
-+#endif
-+
-+#define REQUIRED_MASK0 (NEED_FPU|NEED_PAE|NEED_CMOV|NEED_CX8)
-+
-+#ifdef CONFIG_X86_USE_3DNOW
-+# define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31))
- #else
--#define NEED_CMPXCHG64 0
-+# define NEED_3DNOW 0
- #endif
-
--#define REQUIRED_MASK1 (NEED_PAE|NEED_CMOV|NEED_CMPXCHG64)
-+#define REQUIRED_MASK1 (NEED_3DNOW)
-+
-+#define REQUIRED_MASK2 0
-+#define REQUIRED_MASK3 0
-+#define REQUIRED_MASK4 0
-+#define REQUIRED_MASK5 0
-+#define REQUIRED_MASK6 0
-+#define REQUIRED_MASK7 0
-
- #endif
---- a/include/asm-i386/setup.h
-+++ b/include/asm-i386/setup.h
-@@ -26,12 +26,15 @@
- #define NEW_CL_POINTER 0x228 /* Relative to real mode data */
-
- #ifndef __ASSEMBLY__
-+
-+#include <asm/bootparam.h>
-+
- /*
- * This is set up by the setup-routine at boot-time
- */
--extern unsigned char boot_params[PARAM_SIZE];
-+extern struct boot_params boot_params;
-
--#define PARAM (boot_params)
-+#define PARAM ((char *)&boot_params)
- #define SCREEN_INFO (*(struct screen_info *) (PARAM+0))
- #define EXT_MEM_K (*(unsigned short *) (PARAM+2))
- #define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0))
-@@ -39,8 +42,7 @@
- #define E820_MAP ((struct e820entry *) (PARAM+E820MAP))
- #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40))
- #define IST_INFO (*(struct ist_info *) (PARAM+0x60))
--#define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80))
--#define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0))
-+#define SYS_DESC_TABLE (*(struct sys_desc_table *)(PARAM+0xa0))
- #define EFI_SYSTAB ((efi_system_table_t *) *((unsigned long *)(PARAM+0x1c4)))
- #define EFI_MEMDESC_SIZE (*((unsigned long *) (PARAM+0x1c8)))
- #define EFI_MEMDESC_VERSION (*((unsigned long *) (PARAM+0x1cc)))
---- a/include/asm-x86_64/alternative.h
-+++ b/include/asm-x86_64/alternative.h
-@@ -5,6 +5,41 @@
-
- #include <linux/types.h>
- #include <linux/stddef.h>
-+
-+/*
-+ * Alternative inline assembly for SMP.
-+ *
-+ * The LOCK_PREFIX macro defined here replaces the LOCK and
-+ * LOCK_PREFIX macros used everywhere in the source tree.
-+ *
-+ * SMP alternatives use the same data structures as the other
-+ * alternatives and the X86_FEATURE_UP flag to indicate the case of a
-+ * UP system running a SMP kernel. The existing apply_alternatives()
-+ * works fine for patching a SMP kernel for UP.
-+ *
-+ * The SMP alternative tables can be kept after boot and contain both
-+ * UP and SMP versions of the instructions to allow switching back to
-+ * SMP at runtime, when hotplugging in a new CPU, which is especially
-+ * useful in virtualized environments.
-+ *
-+ * The very common lock prefix is handled as special case in a
-+ * separate table which is a pure address list without replacement ptr
-+ * and size information. That keeps the table sizes small.
-+ */
-+
-+#ifdef CONFIG_SMP
-+#define LOCK_PREFIX \
-+ ".section .smp_locks,\"a\"\n" \
-+ " .align 8\n" \
-+ " .quad 661f\n" /* address */ \
-+ ".previous\n" \
-+ "661:\n\tlock; "
-+
-+#else /* ! CONFIG_SMP */
-+#define LOCK_PREFIX ""
-+#endif
-+
-+/* This must be included *after* the definition of LOCK_PREFIX */
- #include <asm/cpufeature.h>
-
- struct alt_instr {
-@@ -108,39 +143,6 @@
- */
- #define ASM_OUTPUT2(a, b) a, b
-
--/*
-- * Alternative inline assembly for SMP.
-- *
-- * The LOCK_PREFIX macro defined here replaces the LOCK and
-- * LOCK_PREFIX macros used everywhere in the source tree.
-- *
-- * SMP alternatives use the same data structures as the other
-- * alternatives and the X86_FEATURE_UP flag to indicate the case of a
-- * UP system running a SMP kernel. The existing apply_alternatives()
-- * works fine for patching a SMP kernel for UP.
-- *
-- * The SMP alternative tables can be kept after boot and contain both
-- * UP and SMP versions of the instructions to allow switching back to
-- * SMP at runtime, when hotplugging in a new CPU, which is especially
-- * useful in virtualized environments.
-- *
-- * The very common lock prefix is handled as special case in a
-- * separate table which is a pure address list without replacement ptr
-- * and size information. That keeps the table sizes small.
-- */
--
--#ifdef CONFIG_SMP
--#define LOCK_PREFIX \
-- ".section .smp_locks,\"a\"\n" \
-- " .align 8\n" \
-- " .quad 661f\n" /* address */ \
-- ".previous\n" \
-- "661:\n\tlock; "
--
--#else /* ! CONFIG_SMP */
--#define LOCK_PREFIX ""
--#endif
--
- struct paravirt_patch;
- #ifdef CONFIG_PARAVIRT
- void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end);
---- a/include/asm-x86_64/boot.h
-+++ b/include/asm-x86_64/boot.h
-@@ -1,15 +1 @@
--#ifndef _LINUX_BOOT_H
--#define _LINUX_BOOT_H
--
--/* Don't touch these, unless you really know what you're doing. */
--#define DEF_INITSEG 0x9000
--#define DEF_SYSSEG 0x1000
--#define DEF_SETUPSEG 0x9020
--#define DEF_SYSSIZE 0x7F00
--
--/* Internal svga startup constants */
--#define NORMAL_VGA 0xffff /* 80x25 mode */
--#define EXTENDED_VGA 0xfffe /* 80x50 mode */
--#define ASK_VGA 0xfffd /* ask for it at bootup */
--
--#endif
-+#include <asm-i386/boot.h>
---- /dev/null
-+++ b/include/asm-x86_64/bootparam.h
-@@ -0,0 +1 @@
-+#include <asm-i386/bootparam.h>
---- a/include/asm-x86_64/cpufeature.h
-+++ b/include/asm-x86_64/cpufeature.h
-@@ -7,115 +7,24 @@
- #ifndef __ASM_X8664_CPUFEATURE_H
- #define __ASM_X8664_CPUFEATURE_H
-
--#define NCAPINTS 7 /* N 32-bit words worth of info */
-+#include <asm-i386/cpufeature.h>
-
--/* Intel-defined CPU features, CPUID level 0x00000001, word 0 */
--#define X86_FEATURE_FPU (0*32+ 0) /* Onboard FPU */
--#define X86_FEATURE_VME (0*32+ 1) /* Virtual Mode Extensions */
--#define X86_FEATURE_DE (0*32+ 2) /* Debugging Extensions */
--#define X86_FEATURE_PSE (0*32+ 3) /* Page Size Extensions */
--#define X86_FEATURE_TSC (0*32+ 4) /* Time Stamp Counter */
--#define X86_FEATURE_MSR (0*32+ 5) /* Model-Specific Registers, RDMSR, WRMSR */
--#define X86_FEATURE_PAE (0*32+ 6) /* Physical Address Extensions */
--#define X86_FEATURE_MCE (0*32+ 7) /* Machine Check Architecture */
--#define X86_FEATURE_CX8 (0*32+ 8) /* CMPXCHG8 instruction */
--#define X86_FEATURE_APIC (0*32+ 9) /* Onboard APIC */
--#define X86_FEATURE_SEP (0*32+11) /* SYSENTER/SYSEXIT */
--#define X86_FEATURE_MTRR (0*32+12) /* Memory Type Range Registers */
--#define X86_FEATURE_PGE (0*32+13) /* Page Global Enable */
--#define X86_FEATURE_MCA (0*32+14) /* Machine Check Architecture */
--#define X86_FEATURE_CMOV (0*32+15) /* CMOV instruction (FCMOVCC and FCOMI too if FPU present) */
--#define X86_FEATURE_PAT (0*32+16) /* Page Attribute Table */
--#define X86_FEATURE_PSE36 (0*32+17) /* 36-bit PSEs */
--#define X86_FEATURE_PN (0*32+18) /* Processor serial number */
--#define X86_FEATURE_CLFLSH (0*32+19) /* Supports the CLFLUSH instruction */
--#define X86_FEATURE_DS (0*32+21) /* Debug Store */
--#define X86_FEATURE_ACPI (0*32+22) /* ACPI via MSR */
--#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */
--#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions (fast save and restore */
-- /* of FPU context), and CR4.OSFXSR available */
--#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */
--#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */
--#define X86_FEATURE_SELFSNOOP (0*32+27) /* CPU self snoop */
--#define X86_FEATURE_HT (0*32+28) /* Hyper-Threading */
--#define X86_FEATURE_ACC (0*32+29) /* Automatic clock control */
--#define X86_FEATURE_IA64 (0*32+30) /* IA-64 processor */
--
--/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */
--/* Don't duplicate feature flags which are redundant with Intel! */
--#define X86_FEATURE_SYSCALL (1*32+11) /* SYSCALL/SYSRET */
--#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */
--#define X86_FEATURE_FXSR_OPT (1*32+25) /* FXSR optimizations */
--#define X86_FEATURE_RDTSCP (1*32+27) /* RDTSCP */
--#define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */
--#define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */
--#define X86_FEATURE_3DNOW (1*32+31) /* 3DNow! */
--
--/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */
--#define X86_FEATURE_RECOVERY (2*32+ 0) /* CPU in recovery mode */
--#define X86_FEATURE_LONGRUN (2*32+ 1) /* Longrun power control */
--#define X86_FEATURE_LRTI (2*32+ 3) /* LongRun table interface */
--
--/* Other features, Linux-defined mapping, word 3 */
--/* This range is used for feature bits which conflict or are synthesized */
--#define X86_FEATURE_CXMMX (3*32+ 0) /* Cyrix MMX extensions */
--#define X86_FEATURE_K6_MTRR (3*32+ 1) /* AMD K6 nonstandard MTRRs */
--#define X86_FEATURE_CYRIX_ARR (3*32+ 2) /* Cyrix ARRs (= MTRRs) */
--#define X86_FEATURE_CENTAUR_MCR (3*32+ 3) /* Centaur MCRs (= MTRRs) */
--#define X86_FEATURE_REP_GOOD (3*32+ 4) /* rep microcode works well on this CPU */
--#define X86_FEATURE_CONSTANT_TSC (3*32+5) /* TSC runs at constant rate */
--#define X86_FEATURE_SYNC_RDTSC (3*32+6) /* RDTSC syncs CPU core */
--#define X86_FEATURE_FXSAVE_LEAK (3*32+7) /* FIP/FOP/FDP leaks through FXSAVE */
--#define X86_FEATURE_UP (3*32+8) /* SMP kernel running on UP */
--#define X86_FEATURE_ARCH_PERFMON (3*32+9) /* Intel Architectural PerfMon */
--#define X86_FEATURE_PEBS (3*32+10) /* Precise-Event Based Sampling */
--#define X86_FEATURE_BTS (3*32+11) /* Branch Trace Store */
--
--/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
--#define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */
--#define X86_FEATURE_MWAIT (4*32+ 3) /* Monitor/Mwait support */
--#define X86_FEATURE_DSCPL (4*32+ 4) /* CPL Qualified Debug Store */
--#define X86_FEATURE_EST (4*32+ 7) /* Enhanced SpeedStep */
--#define X86_FEATURE_TM2 (4*32+ 8) /* Thermal Monitor 2 */
--#define X86_FEATURE_CID (4*32+10) /* Context ID */
--#define X86_FEATURE_CX16 (4*32+13) /* CMPXCHG16B */
--#define X86_FEATURE_XTPR (4*32+14) /* Send Task Priority Messages */
--
--/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
--#define X86_FEATURE_XSTORE (5*32+ 2) /* on-CPU RNG present (xstore insn) */
--#define X86_FEATURE_XSTORE_EN (5*32+ 3) /* on-CPU RNG enabled */
--#define X86_FEATURE_XCRYPT (5*32+ 6) /* on-CPU crypto (xcrypt insn) */
--#define X86_FEATURE_XCRYPT_EN (5*32+ 7) /* on-CPU crypto enabled */
--
--/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */
--#define X86_FEATURE_LAHF_LM (6*32+ 0) /* LAHF/SAHF in long mode */
--#define X86_FEATURE_CMP_LEGACY (6*32+ 1) /* If yes HyperThreading not valid */
--
--#define cpu_has(c, bit) test_bit(bit, (c)->x86_capability)
--#define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability)
--
--#define cpu_has_fpu 1
-+#undef cpu_has_vme
- #define cpu_has_vme 0
--#define cpu_has_de 1
--#define cpu_has_pse 1
--#define cpu_has_tsc 1
-+
-+#undef cpu_has_pae
- #define cpu_has_pae ___BUG___
--#define cpu_has_pge 1
--#define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC)
--#define cpu_has_mtrr 1
--#define cpu_has_mmx 1
--#define cpu_has_fxsr 1
--#define cpu_has_xmm 1
--#define cpu_has_xmm2 1
--#define cpu_has_xmm3 boot_cpu_has(X86_FEATURE_XMM3)
--#define cpu_has_ht boot_cpu_has(X86_FEATURE_HT)
-+
-+#undef cpu_has_mp
- #define cpu_has_mp 1 /* XXX */
-+
-+#undef cpu_has_k6_mtrr
- #define cpu_has_k6_mtrr 0
-+
-+#undef cpu_has_cyrix_arr
- #define cpu_has_cyrix_arr 0
-+
-+#undef cpu_has_centaur_mcr
- #define cpu_has_centaur_mcr 0
--#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLSH)
--#define cpu_has_ds boot_cpu_has(X86_FEATURE_DS)
--#define cpu_has_pebs boot_cpu_has(X86_FEATURE_PEBS)
--#define cpu_has_bts boot_cpu_has(X86_FEATURE_BTS)
-
- #endif /* __ASM_X8664_CPUFEATURE_H */
---- a/include/asm-x86_64/e820.h
-+++ b/include/asm-x86_64/e820.h
-@@ -11,7 +11,9 @@
- #ifndef __E820_HEADER
- #define __E820_HEADER
-
--#include <linux/mmzone.h>
-+#ifndef _SETUP
-+# include <linux/mmzone.h>
-+#endif
-
- #define E820MAP 0x2d0 /* our map */
- #define E820MAX 128 /* number of entries in E820MAP */
-@@ -30,7 +32,7 @@
- } __attribute__((packed));
-
- struct e820map {
-- int nr_map;
-+ u32 nr_map;
- struct e820entry map[E820MAX];
- };
-
---- a/include/asm-x86_64/processor.h
-+++ b/include/asm-x86_64/processor.h
-@@ -100,6 +100,7 @@
-
- extern void identify_cpu(struct cpuinfo_x86 *);
- extern void print_cpu_info(struct cpuinfo_x86 *);
-+extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
- extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
- extern unsigned short num_cache_leaves;
-
-@@ -368,8 +369,6 @@
- asm volatile("cpuid" : "=a" (tmp) : "0" (1) : "ebx","ecx","edx","memory");
- }
-
--#define cpu_has_fpu 1
--
- #define ARCH_HAS_PREFETCH
- static inline void prefetch(void *x)
- {
---- /dev/null
-+++ b/include/asm-x86_64/required-features.h
-@@ -0,0 +1,46 @@
-+#ifndef _ASM_REQUIRED_FEATURES_H
-+#define _ASM_REQUIRED_FEATURES_H 1
-+
-+/* Define minimum CPUID feature set for kernel These bits are checked
-+ really early to actually display a visible error message before the
-+ kernel dies. Make sure to assign features to the proper mask!
-+
-+ The real information is in arch/x86_64/Kconfig.cpu, this just converts
-+ the CONFIGs into a bitmask */
-+
-+/* x86-64 baseline features */
-+#define NEED_FPU (1<<(X86_FEATURE_FPU & 31))
-+#define NEED_PSE (1<<(X86_FEATURE_PSE & 31))
-+#define NEED_MSR (1<<(X86_FEATURE_MSR & 31))
-+#define NEED_PAE (1<<(X86_FEATURE_PAE & 31))
-+#define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31))
-+#define NEED_PGE (1<<(X86_FEATURE_PGE & 31))
-+#define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31))
-+#define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31))
-+#define NEED_XMM (1<<(X86_FEATURE_XMM & 31))
-+#define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31))
-+
-+#define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\
-+ NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\
-+ NEED_XMM|NEED_XMM2)
-+#define SSE_MASK (NEED_XMM|NEED_XMM2)
-+
-+/* x86-64 baseline features */
-+#define NEED_LM (1<<(X86_FEATURE_LM & 31))
-+
-+#ifdef CONFIG_X86_USE_3DNOW
-+# define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31))
-+#else
-+# define NEED_3DNOW 0
-+#endif
-+
-+#define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW)
-+
-+#define REQUIRED_MASK2 0
-+#define REQUIRED_MASK3 0
-+#define REQUIRED_MASK4 0
-+#define REQUIRED_MASK5 0
-+#define REQUIRED_MASK6 0
-+#define REQUIRED_MASK7 0
-+
-+#endif
---- a/include/asm-x86_64/segment.h
-+++ b/include/asm-x86_64/segment.h
-@@ -3,6 +3,14 @@
-
- #include <asm/cache.h>
-
-+/* Simple and small GDT entries for booting only */
-+
-+#define GDT_ENTRY_BOOT_CS 2
-+#define __BOOT_CS (GDT_ENTRY_BOOT_CS * 8)
-+
-+#define GDT_ENTRY_BOOT_DS (GDT_ENTRY_BOOT_CS + 1)
-+#define __BOOT_DS (GDT_ENTRY_BOOT_DS * 8)
-+
- #define __KERNEL_CS 0x10
- #define __KERNEL_DS 0x18
-
---- a/include/linux/edd.h
-+++ b/include/linux/edd.h
-@@ -49,10 +49,6 @@
- #define EDD_MBR_SIG_MAX 16 /* max number of signatures to store */
- #define EDD_MBR_SIG_NR_BUF 0x1ea /* addr of number of MBR signtaures at EDD_MBR_SIG_BUF
- in boot_params - treat this as 1 byte */
--#define EDD_CL_EQUALS 0x3d646465 /* "edd=" */
--#define EDD_CL_OFF 0x666f /* "of" for off */
--#define EDD_CL_SKIP 0x6b73 /* "sk" for skipmbr */
--#define EDD_CL_ON 0x6e6f /* "on" for on */
-
- #ifndef __ASSEMBLY__
-
---- a/include/linux/screen_info.h
-+++ b/include/linux/screen_info.h
-@@ -10,7 +10,7 @@
- struct screen_info {
- u8 orig_x; /* 0x00 */
- u8 orig_y; /* 0x01 */
-- u16 dontuse1; /* 0x02 -- EXT_MEM_K sits here */
-+ u16 ext_mem_k; /* 0x02 */
- u16 orig_video_page; /* 0x04 */
- u8 orig_video_mode; /* 0x06 */
- u8 orig_video_cols; /* 0x07 */
-@@ -27,7 +27,7 @@
- u16 lfb_depth; /* 0x16 */
- u32 lfb_base; /* 0x18 */
- u32 lfb_size; /* 0x1c */
-- u16 dontuse2, dontuse3; /* 0x20 -- CL_MAGIC and CL_OFFSET here */
-+ u16 cl_magic, cl_offset; /* 0x20 */
- u16 lfb_linelength; /* 0x24 */
- u8 red_size; /* 0x26 */
- u8 red_pos; /* 0x27 */
-@@ -42,9 +42,8 @@
- u16 pages; /* 0x32 */
- u16 vesa_attributes; /* 0x34 */
- u32 capabilities; /* 0x36 */
-- /* 0x3a -- 0x3b reserved for future expansion */
-- /* 0x3c -- 0x3f micro stack for relocatable kernels */
--};
-+ u8 _reserved[6]; /* 0x3a */
-+} __attribute__((packed));
-
- extern struct screen_info screen_info;
-
+++ /dev/null
-From: Andrew Morton <akpm@linux-foundation.org>
-
-Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
----
-
- arch/i386/kernel/cpu/Makefile | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/arch/i386/kernel/cpu/Makefile
-+++ b/arch/i386/kernel/cpu/Makefile
-@@ -8,7 +8,7 @@
- obj-y += cyrix.o
- obj-y += centaur.o
- obj-y += transmeta.o
--obj-y += intel.o intel_cacheinfo.o
-+obj-y += intel.o intel_cacheinfo.o addon_cpuid_features.o
- obj-y += rise.o
- obj-y += nexgen.o
- obj-y += umc.o
+++ /dev/null
---- a/drivers/mtd/devices/block2mtd.c
-+++ b/drivers/mtd/devices/block2mtd.c
-@@ -16,6 +16,7 @@
- #include <linux/list.h>
- #include <linux/init.h>
- #include <linux/mtd/mtd.h>
-+#include <linux/mtd/partitions.h>
- #include <linux/buffer_head.h>
- #include <linux/mutex.h>
- #include <linux/mount.h>
-@@ -237,10 +238,11 @@
-
-
- /* FIXME: ensure that mtd->size % erase_size == 0 */
--static struct block2mtd_dev *add_device(char *devname, int erase_size)
-+static struct block2mtd_dev *add_device(char *devname, int erase_size, char *mtdname)
- {
- struct block_device *bdev;
- struct block2mtd_dev *dev;
-+ struct mtd_partition *part;
-
- if (!devname)
- return NULL;
-@@ -279,14 +281,18 @@
-
- /* Setup the MTD structure */
- /* make the name contain the block device in */
-- dev->mtd.name = kmalloc(sizeof("block2mtd: ") + strlen(devname),
-- GFP_KERNEL);
-+
-+ if (!mtdname)
-+ mtdname = devname;
-+
-+ dev->mtd.name = kmalloc(strlen(mtdname) + 1, GFP_KERNEL);
-+
- if (!dev->mtd.name)
- goto devinit_err;
-+
-+ strcpy(dev->mtd.name, mtdname);
-
-- sprintf(dev->mtd.name, "block2mtd: %s", devname);
--
-- dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
-+ dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK & ~(erase_size - 1);
- dev->mtd.erasesize = erase_size;
- dev->mtd.writesize = 1;
- dev->mtd.type = MTD_RAM;
-@@ -298,15 +304,18 @@
- dev->mtd.read = block2mtd_read;
- dev->mtd.priv = dev;
- dev->mtd.owner = THIS_MODULE;
--
-- if (add_mtd_device(&dev->mtd)) {
-+
-+ part = kzalloc(sizeof(struct mtd_partition), GFP_KERNEL);
-+ part->name = dev->mtd.name;
-+ part->offset = 0;
-+ part->size = dev->mtd.size;
-+ if (add_mtd_partitions(&dev->mtd, part, 1)) {
- /* Device didnt get added, so free the entry */
- goto devinit_err;
- }
- list_add(&dev->list, &blkmtd_device_list);
- INFO("mtd%d: [%s] erase_size = %dKiB [%d]", dev->mtd.index,
-- dev->mtd.name + strlen("blkmtd: "),
-- dev->mtd.erasesize >> 10, dev->mtd.erasesize);
-+ mtdname, dev->mtd.erasesize >> 10, dev->mtd.erasesize);
- return dev;
-
- devinit_err:
-@@ -379,9 +388,9 @@
-
- static int block2mtd_setup2(const char *val)
- {
-- char buf[80 + 12]; /* 80 for device, 12 for erase size */
-+ char buf[80 + 12 + 80]; /* 80 for device, 12 for erase size, 80 for name */
- char *str = buf;
-- char *token[2];
-+ char *token[3];
- char *name;
- size_t erase_size = PAGE_SIZE;
- int i, ret;
-@@ -392,7 +401,7 @@
- strcpy(str, val);
- kill_final_newline(str);
-
-- for (i = 0; i < 2; i++)
-+ for (i = 0; i < 3; i++)
- token[i] = strsep(&str, ",");
-
- if (str)
-@@ -412,8 +421,10 @@
- parse_err("illegal erase size");
- }
- }
-+ if (token[2] && (strlen(token[2]) + 1 > 80))
-+ parse_err("mtd device name too long");
-
-- add_device(name, erase_size);
-+ add_device(name, erase_size, token[2]);
-
- return 0;
- }
-@@ -447,7 +458,7 @@
-
-
- module_param_call(block2mtd, block2mtd_setup, NULL, NULL, 0200);
--MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>]\"");
-+MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>[,<name>]]\"");
-
- static int __init block2mtd_init(void)
- {
+++ /dev/null
---- a/drivers/mtd/Kconfig
-+++ b/drivers/mtd/Kconfig
-@@ -47,6 +47,16 @@
- devices. Partitioning on NFTL 'devices' is a different - that's the
- 'normal' form of partitioning used on a block device.
-
-+config MTD_ROOTFS_ROOT_DEV
-+ bool "Automatically set 'rootfs' partition to be root filesystem"
-+ depends on MTD_PARTITIONS
-+ default y
-+
-+config MTD_ROOTFS_SPLIT
-+ bool "Automatically split 'rootfs' partition for squashfs"
-+ depends on MTD_PARTITIONS
-+ default y
-+
- config MTD_REDBOOT_PARTS
- tristate "RedBoot partition table parsing"
- depends on MTD_PARTITIONS
---- a/drivers/mtd/mtdpart.c
-+++ b/drivers/mtd/mtdpart.c
-@@ -20,6 +20,8 @@
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/partitions.h>
- #include <linux/mtd/compatmac.h>
-+#include <linux/squashfs_fs.h>
-+#include <linux/root_dev.h>
-
- /* Our partition linked list */
- static LIST_HEAD(mtd_partitions);
-@@ -39,7 +41,7 @@
- * the pointer to that structure with this macro.
- */
- #define PART(x) ((struct mtd_part *)(x))
--
-+#define IS_PART(mtd) (mtd->read == part_read)
-
- /*
- * MTD methods which simply translate the effective address and pass through
-@@ -308,6 +310,312 @@
- return 0;
- }
-
-+static u_int32_t cur_offset = 0;
-+static int add_one_partition(struct mtd_info *master, const struct mtd_partition *part,
-+ int i, struct mtd_part **slp)
-+{
-+ struct mtd_part *slave;
-+
-+ /* allocate the partition structure */
-+ slave = kzalloc (sizeof(*slave), GFP_KERNEL);
-+ if (!slave) {
-+ printk ("memory allocation error while creating partitions for \"%s\"\n",
-+ master->name);
-+ del_mtd_partitions(master);
-+ return -ENOMEM;
-+ }
-+ list_add(&slave->list, &mtd_partitions);
-+
-+ /* set up the MTD object for this partition */
-+ slave->mtd.type = master->type;
-+ slave->mtd.flags = master->flags & ~part->mask_flags;
-+ slave->mtd.size = part->size;
-+ slave->mtd.writesize = master->writesize;
-+ slave->mtd.oobsize = master->oobsize;
-+ slave->mtd.oobavail = master->oobavail;
-+ slave->mtd.subpage_sft = master->subpage_sft;
-+
-+ slave->mtd.name = part->name;
-+ slave->mtd.owner = master->owner;
-+
-+ slave->mtd.read = part_read;
-+ slave->mtd.write = part_write;
-+ slave->mtd.refresh_device = part->refresh_partition;
-+
-+ if(master->point && master->unpoint){
-+ slave->mtd.point = part_point;
-+ slave->mtd.unpoint = part_unpoint;
-+ }
-+
-+ if (master->read_oob)
-+ slave->mtd.read_oob = part_read_oob;
-+ if (master->write_oob)
-+ slave->mtd.write_oob = part_write_oob;
-+ if(master->read_user_prot_reg)
-+ slave->mtd.read_user_prot_reg = part_read_user_prot_reg;
-+ if(master->read_fact_prot_reg)
-+ slave->mtd.read_fact_prot_reg = part_read_fact_prot_reg;
-+ if(master->write_user_prot_reg)
-+ slave->mtd.write_user_prot_reg = part_write_user_prot_reg;
-+ if(master->lock_user_prot_reg)
-+ slave->mtd.lock_user_prot_reg = part_lock_user_prot_reg;
-+ if(master->get_user_prot_info)
-+ slave->mtd.get_user_prot_info = part_get_user_prot_info;
-+ if(master->get_fact_prot_info)
-+ slave->mtd.get_fact_prot_info = part_get_fact_prot_info;
-+ if (master->sync)
-+ slave->mtd.sync = part_sync;
-+ if (!i && master->suspend && master->resume) {
-+ slave->mtd.suspend = part_suspend;
-+ slave->mtd.resume = part_resume;
-+ }
-+ if (master->writev)
-+ slave->mtd.writev = part_writev;
-+ if (master->lock)
-+ slave->mtd.lock = part_lock;
-+ if (master->unlock)
-+ slave->mtd.unlock = part_unlock;
-+ if (master->block_isbad)
-+ slave->mtd.block_isbad = part_block_isbad;
-+ if (master->block_markbad)
-+ slave->mtd.block_markbad = part_block_markbad;
-+ slave->mtd.erase = part_erase;
-+ slave->master = master;
-+ slave->offset = part->offset;
-+ slave->index = i;
-+
-+ if (slave->offset == MTDPART_OFS_APPEND)
-+ slave->offset = cur_offset;
-+ if (slave->offset == MTDPART_OFS_NXTBLK) {
-+ slave->offset = cur_offset;
-+ if ((cur_offset % master->erasesize) != 0) {
-+ /* Round up to next erasesize */
-+ slave->offset = ((cur_offset / master->erasesize) + 1) * master->erasesize;
-+ printk(KERN_NOTICE "Moving partition %d: "
-+ "0x%08x -> 0x%08x\n", i,
-+ cur_offset, slave->offset);
-+ }
-+ }
-+ if (slave->mtd.size == MTDPART_SIZ_FULL)
-+ slave->mtd.size = master->size - slave->offset;
-+ cur_offset = slave->offset + slave->mtd.size;
-+
-+ printk (KERN_NOTICE "0x%08x-0x%08x : \"%s\"\n", slave->offset,
-+ slave->offset + slave->mtd.size, slave->mtd.name);
-+
-+ /* let's do some sanity checks */
-+ if (slave->offset >= master->size) {
-+ /* let's register it anyway to preserve ordering */
-+ slave->offset = 0;
-+ slave->mtd.size = 0;
-+ printk ("mtd: partition \"%s\" is out of reach -- disabled\n",
-+ part->name);
-+ }
-+ if (slave->offset + slave->mtd.size > master->size) {
-+ slave->mtd.size = master->size - slave->offset;
-+ printk ("mtd: partition \"%s\" extends beyond the end of device \"%s\" -- size truncated to %#x\n",
-+ part->name, master->name, slave->mtd.size);
-+ }
-+ if (master->numeraseregions>1) {
-+ /* Deal with variable erase size stuff */
-+ int i;
-+ struct mtd_erase_region_info *regions = master->eraseregions;
-+
-+ /* Find the first erase regions which is part of this partition. */
-+ for (i=0; i < master->numeraseregions && slave->offset >= regions[i].offset; i++)
-+ ;
-+
-+ for (i--; i < master->numeraseregions && slave->offset + slave->mtd.size > regions[i].offset; i++) {
-+ if (slave->mtd.erasesize < regions[i].erasesize) {
-+ slave->mtd.erasesize = regions[i].erasesize;
-+ }
-+ }
-+ } else {
-+ /* Single erase size */
-+ slave->mtd.erasesize = master->erasesize;
-+ }
-+
-+ if ((slave->mtd.flags & MTD_WRITEABLE) &&
-+ (slave->offset % slave->mtd.erasesize)) {
-+ /* Doesn't start on a boundary of major erase size */
-+ /* FIXME: Let it be writable if it is on a boundary of _minor_ erase size though */
-+ slave->mtd.flags &= ~MTD_WRITEABLE;
-+ printk ("mtd: partition \"%s\" doesn't start on an erase block boundary -- force read-only\n",
-+ part->name);
-+ }
-+ if ((slave->mtd.flags & MTD_WRITEABLE) &&
-+ (slave->mtd.size % slave->mtd.erasesize)) {
-+ slave->mtd.flags &= ~MTD_WRITEABLE;
-+ printk ("mtd: partition \"%s\" doesn't end on an erase block -- force read-only\n",
-+ part->name);
-+ }
-+
-+ slave->mtd.ecclayout = master->ecclayout;
-+ if (master->block_isbad) {
-+ uint32_t offs = 0;
-+
-+ while(offs < slave->mtd.size) {
-+ if (master->block_isbad(master,
-+ offs + slave->offset))
-+ slave->mtd.ecc_stats.badblocks++;
-+ offs += slave->mtd.erasesize;
-+ }
-+ }
-+
-+ if(part->mtdp)
-+ { /* store the object pointer (caller may or may not register it */
-+ *part->mtdp = &slave->mtd;
-+ slave->registered = 0;
-+ }
-+ else
-+ {
-+ /* register our partition */
-+ add_mtd_device(&slave->mtd);
-+ slave->registered = 1;
-+ }
-+
-+ if (slp)
-+ *slp = slave;
-+
-+ return 0;
-+}
-+
-+#ifdef CONFIG_MTD_ROOTFS_SPLIT
-+#define ROOTFS_SPLIT_NAME "rootfs_data"
-+#define ROOTFS_REMOVED_NAME "<removed>"
-+static int split_squashfs(struct mtd_info *master, int offset, int *split_offset)
-+{
-+ char buf[512];
-+ struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
-+ int len, ret;
-+
-+ ret = master->read(master, offset, sizeof(*sb), &len, buf);
-+ if (ret || (len != sizeof(*sb))) {
-+ printk(KERN_ALERT "split_squashfs: error occured while reading "
-+ "from \"%s\"\n", master->name);
-+ return -EINVAL;
-+ }
-+
-+ if (*((u32 *) buf) != SQUASHFS_MAGIC) {
-+ printk(KERN_ALERT "split_squasfs: no squashfs found in \"%s\"\n",
-+ master->name);
-+ *split_offset = 0;
-+ return 0;
-+ }
-+
-+ if (sb->bytes_used <= 0) {
-+ printk(KERN_ALERT "split_squashfs: squashfs is empty in \"%s\"\n",
-+ master->name);
-+ *split_offset = 0;
-+ return 0;
-+ }
-+
-+ len = (u32) sb->bytes_used;
-+ len += (offset & 0x000fffff);
-+ len += (master->erasesize - 1);
-+ len &= ~(master->erasesize - 1);
-+ len -= (offset & 0x000fffff);
-+ *split_offset = offset + len;
-+
-+ return 0;
-+}
-+
-+static int split_rootfs_data(struct mtd_info *master, struct mtd_info *rpart, struct mtd_partition *part,
-+ int index)
-+{
-+ struct mtd_partition *dpart;
-+ struct mtd_part *slave = NULL;
-+ int split_offset = 0;
-+ int ret;
-+
-+ ret = split_squashfs(master, part->offset, &split_offset);
-+ if (ret)
-+ return ret;
-+
-+ if (split_offset <= 0)
-+ return 0;
-+
-+ dpart = kmalloc(sizeof(*part)+sizeof(ROOTFS_SPLIT_NAME)+1, GFP_KERNEL);
-+ if (dpart == NULL) {
-+ printk(KERN_INFO "split_squashfs: no memory for partition \"%s\"\n",
-+ ROOTFS_SPLIT_NAME);
-+ return -ENOMEM;
-+ }
-+
-+ memcpy(dpart, part, sizeof(*part));
-+ dpart->name = (unsigned char *)&dpart[1];
-+ strcpy(dpart->name, ROOTFS_SPLIT_NAME);
-+
-+ dpart->size -= split_offset - dpart->offset;
-+ dpart->offset = split_offset;
-+
-+ if (dpart == NULL)
-+ return 1;
-+
-+ printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=%X, len=%X \n",
-+ ROOTFS_SPLIT_NAME, dpart->offset, dpart->size);
-+
-+ ret = add_one_partition(master, dpart, index, &slave);
-+ if (ret)
-+ kfree(dpart);
-+ else if (slave)
-+ rpart->split = &slave->mtd;
-+
-+ return ret;
-+}
-+
-+static int refresh_rootfs_split(struct mtd_info *mtd)
-+{
-+ struct mtd_partition tpart;
-+ struct mtd_part *part;
-+ int index = 0;
-+ int offset, size;
-+ int ret;
-+
-+ part = PART(mtd);
-+
-+ /* check for the new squashfs offset first */
-+ ret = split_squashfs(part->master, part->offset, &offset);
-+ if (ret)
-+ return ret;
-+
-+ if ((offset > 0) && !mtd->split) {
-+ printk(KERN_INFO "%s: creating new split partition for \"%s\"\n", __func__, mtd->name);
-+ /* if we don't have a rootfs split partition, create a new one */
-+ tpart.name = mtd->name;
-+ tpart.size = mtd->size;
-+ tpart.offset = part->offset;
-+
-+ /* find the index of the last partition */
-+ if (!list_empty(&mtd_partitions))
-+ index = list_first_entry(&mtd_partitions, struct mtd_part, list)->index + 1;
-+
-+ return split_rootfs_data(part->master, &part->mtd, &tpart, index);
-+ } else if ((offset > 0) && mtd->split) {
-+ /* update the offsets of the existing partition */
-+ size = mtd->size + part->offset - offset;
-+
-+ part = PART(mtd->split);
-+ part->offset = offset;
-+ part->mtd.size = size;
-+ printk(KERN_INFO "%s: %s partition \"" ROOTFS_SPLIT_NAME "\", offset: 0x%06x (0x%06x)\n",
-+ __func__, (!strcmp(part->mtd.name, ROOTFS_SPLIT_NAME) ? "updating" : "creating"),
-+ part->offset, part->mtd.size);
-+ strcpy(part->mtd.name, ROOTFS_SPLIT_NAME);
-+ } else if ((offset <= 0) && mtd->split) {
-+ printk(KERN_INFO "%s: removing partition \"%s\"\n", __func__, mtd->split->name);
-+
-+ /* mark existing partition as removed */
-+ part = PART(mtd->split);
-+ strcpy(part->mtd.name, ROOTFS_REMOVED_NAME);
-+ part->offset = 0;
-+ part->mtd.size = 0;
-+ }
-+
-+ return 0;
-+}
-+#endif /* CONFIG_MTD_ROOTFS_SPLIT */
-+
- /*
- * This function, given a master MTD object and a partition table, creates
- * and registers slave MTD objects which are bound to the master according to
-@@ -320,168 +628,31 @@
- int nbparts)
- {
- struct mtd_part *slave;
-- u_int32_t cur_offset = 0;
-- int i;
-+ struct mtd_partition *part;
-+ int i, j, ret = 0;
-
- printk (KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name);
-
-- for (i = 0; i < nbparts; i++) {
--
-- /* allocate the partition structure */
-- slave = kzalloc (sizeof(*slave), GFP_KERNEL);
-- if (!slave) {
-- printk ("memory allocation error while creating partitions for \"%s\"\n",
-- master->name);
-- del_mtd_partitions(master);
-- return -ENOMEM;
-- }
-- list_add(&slave->list, &mtd_partitions);
--
-- /* set up the MTD object for this partition */
-- slave->mtd.type = master->type;
-- slave->mtd.flags = master->flags & ~parts[i].mask_flags;
-- slave->mtd.size = parts[i].size;
-- slave->mtd.writesize = master->writesize;
-- slave->mtd.oobsize = master->oobsize;
-- slave->mtd.oobavail = master->oobavail;
-- slave->mtd.subpage_sft = master->subpage_sft;
--
-- slave->mtd.name = parts[i].name;
-- slave->mtd.owner = master->owner;
--
-- slave->mtd.read = part_read;
-- slave->mtd.write = part_write;
--
-- if(master->point && master->unpoint){
-- slave->mtd.point = part_point;
-- slave->mtd.unpoint = part_unpoint;
-- }
--
-- if (master->read_oob)
-- slave->mtd.read_oob = part_read_oob;
-- if (master->write_oob)
-- slave->mtd.write_oob = part_write_oob;
-- if(master->read_user_prot_reg)
-- slave->mtd.read_user_prot_reg = part_read_user_prot_reg;
-- if(master->read_fact_prot_reg)
-- slave->mtd.read_fact_prot_reg = part_read_fact_prot_reg;
-- if(master->write_user_prot_reg)
-- slave->mtd.write_user_prot_reg = part_write_user_prot_reg;
-- if(master->lock_user_prot_reg)
-- slave->mtd.lock_user_prot_reg = part_lock_user_prot_reg;
-- if(master->get_user_prot_info)
-- slave->mtd.get_user_prot_info = part_get_user_prot_info;
-- if(master->get_fact_prot_info)
-- slave->mtd.get_fact_prot_info = part_get_fact_prot_info;
-- if (master->sync)
-- slave->mtd.sync = part_sync;
-- if (!i && master->suspend && master->resume) {
-- slave->mtd.suspend = part_suspend;
-- slave->mtd.resume = part_resume;
-- }
-- if (master->writev)
-- slave->mtd.writev = part_writev;
-- if (master->lock)
-- slave->mtd.lock = part_lock;
-- if (master->unlock)
-- slave->mtd.unlock = part_unlock;
-- if (master->block_isbad)
-- slave->mtd.block_isbad = part_block_isbad;
-- if (master->block_markbad)
-- slave->mtd.block_markbad = part_block_markbad;
-- slave->mtd.erase = part_erase;
-- slave->master = master;
-- slave->offset = parts[i].offset;
-- slave->index = i;
--
-- if (slave->offset == MTDPART_OFS_APPEND)
-- slave->offset = cur_offset;
-- if (slave->offset == MTDPART_OFS_NXTBLK) {
-- slave->offset = cur_offset;
-- if ((cur_offset % master->erasesize) != 0) {
-- /* Round up to next erasesize */
-- slave->offset = ((cur_offset / master->erasesize) + 1) * master->erasesize;
-- printk(KERN_NOTICE "Moving partition %d: "
-- "0x%08x -> 0x%08x\n", i,
-- cur_offset, slave->offset);
-- }
-- }
-- if (slave->mtd.size == MTDPART_SIZ_FULL)
-- slave->mtd.size = master->size - slave->offset;
-- cur_offset = slave->offset + slave->mtd.size;
--
-- printk (KERN_NOTICE "0x%08x-0x%08x : \"%s\"\n", slave->offset,
-- slave->offset + slave->mtd.size, slave->mtd.name);
--
-- /* let's do some sanity checks */
-- if (slave->offset >= master->size) {
-- /* let's register it anyway to preserve ordering */
-- slave->offset = 0;
-- slave->mtd.size = 0;
-- printk ("mtd: partition \"%s\" is out of reach -- disabled\n",
-- parts[i].name);
-- }
-- if (slave->offset + slave->mtd.size > master->size) {
-- slave->mtd.size = master->size - slave->offset;
-- printk ("mtd: partition \"%s\" extends beyond the end of device \"%s\" -- size truncated to %#x\n",
-- parts[i].name, master->name, slave->mtd.size);
-- }
-- if (master->numeraseregions>1) {
-- /* Deal with variable erase size stuff */
-- int i;
-- struct mtd_erase_region_info *regions = master->eraseregions;
--
-- /* Find the first erase regions which is part of this partition. */
-- for (i=0; i < master->numeraseregions && slave->offset >= regions[i].offset; i++)
-- ;
--
-- for (i--; i < master->numeraseregions && slave->offset + slave->mtd.size > regions[i].offset; i++) {
-- if (slave->mtd.erasesize < regions[i].erasesize) {
-- slave->mtd.erasesize = regions[i].erasesize;
-- }
-+ for (i = 0, j = 0; i < nbparts; i++) {
-+ part = (struct mtd_partition *) &parts[i];
-+ ret = add_one_partition(master, part, j, &slave);
-+ if (ret)
-+ return ret;
-+ j++;
-+
-+ if (strcmp(part->name, "rootfs") == 0 && slave->registered) {
-+#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV
-+ if (ROOT_DEV == 0) {
-+ printk(KERN_NOTICE "mtd: partition \"rootfs\" "
-+ "set to be root filesystem\n");
-+ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, slave->mtd.index);
- }
-- } else {
-- /* Single erase size */
-- slave->mtd.erasesize = master->erasesize;
-- }
--
-- if ((slave->mtd.flags & MTD_WRITEABLE) &&
-- (slave->offset % slave->mtd.erasesize)) {
-- /* Doesn't start on a boundary of major erase size */
-- /* FIXME: Let it be writable if it is on a boundary of _minor_ erase size though */
-- slave->mtd.flags &= ~MTD_WRITEABLE;
-- printk ("mtd: partition \"%s\" doesn't start on an erase block boundary -- force read-only\n",
-- parts[i].name);
-- }
-- if ((slave->mtd.flags & MTD_WRITEABLE) &&
-- (slave->mtd.size % slave->mtd.erasesize)) {
-- slave->mtd.flags &= ~MTD_WRITEABLE;
-- printk ("mtd: partition \"%s\" doesn't end on an erase block -- force read-only\n",
-- parts[i].name);
-- }
--
-- slave->mtd.ecclayout = master->ecclayout;
-- if (master->block_isbad) {
-- uint32_t offs = 0;
--
-- while(offs < slave->mtd.size) {
-- if (master->block_isbad(master,
-- offs + slave->offset))
-- slave->mtd.ecc_stats.badblocks++;
-- offs += slave->mtd.erasesize;
-- }
-- }
--
-- if(parts[i].mtdp)
-- { /* store the object pointer (caller may or may not register it */
-- *parts[i].mtdp = &slave->mtd;
-- slave->registered = 0;
-- }
-- else
-- {
-- /* register our partition */
-- add_mtd_device(&slave->mtd);
-- slave->registered = 1;
-+#endif
-+#ifdef CONFIG_MTD_ROOTFS_SPLIT
-+ ret = split_rootfs_data(master, &slave->mtd, part, j);
-+ if (ret == 0)
-+ j++;
-+#endif
- }
- }
-
-@@ -557,6 +728,32 @@
- return ret;
- }
-
-+int refresh_mtd_partitions(struct mtd_info *mtd)
-+{
-+ int ret = 0;
-+
-+ if (IS_PART(mtd)) {
-+ struct mtd_part *part;
-+ struct mtd_info *master;
-+
-+ part = PART(mtd);
-+ master = part->master;
-+ if (master->refresh_device)
-+ ret = master->refresh_device(master);
-+ }
-+
-+ if (!ret && mtd->refresh_device)
-+ ret = mtd->refresh_device(mtd);
-+
-+#ifdef CONFIG_MTD_ROOTFS_SPLIT
-+ if (!ret && IS_PART(mtd) && !strcmp(mtd->name, "rootfs"))
-+ refresh_rootfs_split(mtd);
-+#endif
-+
-+ return 0;
-+}
-+
- EXPORT_SYMBOL_GPL(parse_mtd_partitions);
-+EXPORT_SYMBOL_GPL(refresh_mtd_partitions);
- EXPORT_SYMBOL_GPL(register_mtd_parser);
- EXPORT_SYMBOL_GPL(deregister_mtd_parser);
---- a/drivers/mtd/devices/block2mtd.c
-+++ b/drivers/mtd/devices/block2mtd.c
-@@ -34,6 +34,8 @@
- struct block_device *blkdev;
- struct mtd_info mtd;
- struct mutex write_mutex;
-+ rwlock_t bdev_mutex;
-+ char devname[0];
- };
-
-
-@@ -86,6 +88,12 @@
- size_t len = instr->len;
- int err;
-
-+ read_lock(&dev->bdev_mutex);
-+ if (!dev->blkdev) {
-+ err = -EINVAL;
-+ goto done;
-+ }
-+
- instr->state = MTD_ERASING;
- mutex_lock(&dev->write_mutex);
- err = _block2mtd_erase(dev, from, len);
-@@ -98,6 +106,10 @@
-
- instr->state = MTD_ERASE_DONE;
- mtd_erase_callback(instr);
-+
-+done:
-+ read_unlock(&dev->bdev_mutex);
-+
- return err;
- }
-
-@@ -109,10 +121,14 @@
- struct page *page;
- int index = from >> PAGE_SHIFT;
- int offset = from & (PAGE_SIZE-1);
-- int cpylen;
-+ int cpylen, err = 0;
-+
-+ read_lock(&dev->bdev_mutex);
-+ if (!dev->blkdev || (from > mtd->size)) {
-+ err = -EINVAL;
-+ goto done;
-+ }
-
-- if (from > mtd->size)
-- return -EINVAL;
- if (from + len > mtd->size)
- len = mtd->size - from;
-
-@@ -127,10 +143,14 @@
- len = len - cpylen;
-
- page = page_read(dev->blkdev->bd_inode->i_mapping, index);
-- if (!page)
-- return -ENOMEM;
-- if (IS_ERR(page))
-- return PTR_ERR(page);
-+ if (!page) {
-+ err = -ENOMEM;
-+ goto done;
-+ }
-+ if (IS_ERR(page)) {
-+ err = PTR_ERR(page);
-+ goto done;
-+ }
-
- memcpy(buf, page_address(page) + offset, cpylen);
- page_cache_release(page);
-@@ -141,7 +161,10 @@
- offset = 0;
- index++;
- }
-- return 0;
-+
-+done:
-+ read_unlock(&dev->bdev_mutex);
-+ return err;
- }
-
-
-@@ -193,12 +216,22 @@
- size_t *retlen, const u_char *buf)
- {
- struct block2mtd_dev *dev = mtd->priv;
-- int err;
-+ int err = 0;
-+
-+ read_lock(&dev->bdev_mutex);
-+ if (!dev->blkdev) {
-+ err = -EINVAL;
-+ goto done;
-+ }
-
- if (!len)
-- return 0;
-- if (to >= mtd->size)
-- return -ENOSPC;
-+ goto done;
-+
-+ if (to >= mtd->size) {
-+ err = -ENOSPC;
-+ goto done;
-+ }
-+
- if (to + len > mtd->size)
- len = mtd->size - to;
-
-@@ -207,6 +240,9 @@
- mutex_unlock(&dev->write_mutex);
- if (err > 0)
- err = 0;
-+
-+done:
-+ read_unlock(&dev->bdev_mutex);
- return err;
- }
-
-@@ -215,51 +251,29 @@
- static void block2mtd_sync(struct mtd_info *mtd)
- {
- struct block2mtd_dev *dev = mtd->priv;
-- sync_blockdev(dev->blkdev);
-- return;
--}
--
--
--static void block2mtd_free_device(struct block2mtd_dev *dev)
--{
-- if (!dev)
-- return;
--
-- kfree(dev->mtd.name);
-
-- if (dev->blkdev) {
-- invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping,
-- 0, -1);
-- close_bdev_excl(dev->blkdev);
-- }
-+ read_lock(&dev->bdev_mutex);
-+ if (dev->blkdev)
-+ sync_blockdev(dev->blkdev);
-+ read_unlock(&dev->bdev_mutex);
-
-- kfree(dev);
-+ return;
- }
-
-
--/* FIXME: ensure that mtd->size % erase_size == 0 */
--static struct block2mtd_dev *add_device(char *devname, int erase_size, char *mtdname)
-+static int _open_bdev(struct block2mtd_dev *dev)
- {
- struct block_device *bdev;
-- struct block2mtd_dev *dev;
-- struct mtd_partition *part;
--
-- if (!devname)
-- return NULL;
--
-- dev = kzalloc(sizeof(struct block2mtd_dev), GFP_KERNEL);
-- if (!dev)
-- return NULL;
-
- /* Get a handle on the device */
-- bdev = open_bdev_excl(devname, O_RDWR, NULL);
-+ bdev = open_bdev_excl(dev->devname, O_RDWR, NULL);
- #ifndef MODULE
- if (IS_ERR(bdev)) {
-
- /* We might not have rootfs mounted at this point. Try
- to resolve the device name by other means. */
-
-- dev_t devt = name_to_dev_t(devname);
-+ dev_t devt = name_to_dev_t(dev->devname);
- if (devt) {
- bdev = open_by_devnum(devt, FMODE_WRITE | FMODE_READ);
- }
-@@ -267,17 +281,96 @@
- #endif
-
- if (IS_ERR(bdev)) {
-- ERROR("error: cannot open device %s", devname);
-- goto devinit_err;
-+ ERROR("error: cannot open device %s", dev->devname);
-+ return 1;
- }
- dev->blkdev = bdev;
-
- if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
- ERROR("attempting to use an MTD device as a block device");
-- goto devinit_err;
-+ return 1;
- }
-
-+ return 0;
-+}
-+
-+static void _close_bdev(struct block2mtd_dev *dev)
-+{
-+ struct block_device *bdev;
-+
-+ if (!dev->blkdev)
-+ return;
-+
-+ bdev = dev->blkdev;
-+ invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping, 0, -1);
-+ close_bdev_excl(dev->blkdev);
-+ dev->blkdev = NULL;
-+}
-+
-+static void block2mtd_free_device(struct block2mtd_dev *dev)
-+{
-+ if (!dev)
-+ return;
-+
-+ kfree(dev->mtd.name);
-+ _close_bdev(dev);
-+ kfree(dev);
-+}
-+
-+
-+static int block2mtd_refresh(struct mtd_info *mtd)
-+{
-+ struct block2mtd_dev *dev = mtd->priv;
-+ struct block_device *bdev;
-+ dev_t devt;
-+ int err = 0;
-+
-+ /* no other mtd function can run at this point */
-+ write_lock(&dev->bdev_mutex);
-+
-+ /* get the device number for the whole disk */
-+ devt = MKDEV(MAJOR(dev->blkdev->bd_dev), 0);
-+
-+ /* close the old block device */
-+ _close_bdev(dev);
-+
-+ /* open the whole disk, issue a partition rescan, then */
-+ bdev = open_by_devnum(devt, FMODE_WRITE | FMODE_READ);
-+ if (!bdev || !bdev->bd_disk)
-+ err = -EINVAL;
-+ else {
-+ err = rescan_partitions(bdev->bd_disk, bdev);
-+ }
-+ if (bdev)
-+ close_bdev_excl(bdev);
-+
-+ /* try to open the partition block device again */
-+ _open_bdev(dev);
-+ write_unlock(&dev->bdev_mutex);
-+
-+ return err;
-+}
-+
-+/* FIXME: ensure that mtd->size % erase_size == 0 */
-+static struct block2mtd_dev *add_device(char *devname, int erase_size, char *mtdname)
-+{
-+ struct block2mtd_dev *dev;
-+ struct mtd_partition *part;
-+
-+ if (!devname)
-+ return NULL;
-+
-+ dev = kzalloc(sizeof(struct block2mtd_dev) + strlen(devname) + 1, GFP_KERNEL);
-+ if (!dev)
-+ return NULL;
-+
-+ strcpy(dev->devname, devname);
-+
-+ if (_open_bdev(dev))
-+ goto devinit_err;
-+
- mutex_init(&dev->write_mutex);
-+ rwlock_init(&dev->bdev_mutex);
-
- /* Setup the MTD structure */
- /* make the name contain the block device in */
-@@ -304,6 +397,7 @@
- dev->mtd.read = block2mtd_read;
- dev->mtd.priv = dev;
- dev->mtd.owner = THIS_MODULE;
-+ dev->mtd.refresh_device = block2mtd_refresh;
-
- part = kzalloc(sizeof(struct mtd_partition), GFP_KERNEL);
- part->name = dev->mtd.name;
---- a/drivers/mtd/mtdchar.c
-+++ b/drivers/mtd/mtdchar.c
-@@ -16,6 +16,7 @@
-
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/compatmac.h>
-+#include <linux/mtd/partitions.h>
-
- #include <asm/uaccess.h>
-
-@@ -752,6 +753,13 @@
- file->f_pos = 0;
- break;
- }
-+#ifdef CONFIG_MTD_PARTITIONS
-+ case MTDREFRESH:
-+ {
-+ ret = refresh_mtd_partitions(mtd);
-+ break;
-+ }
-+#endif
-
- default:
- ret = -ENOTTY;
---- a/include/linux/mtd/mtd.h
-+++ b/include/linux/mtd/mtd.h
-@@ -98,6 +98,7 @@
- uint8_t *oobbuf;
- };
-
-+struct mtd_info;
- struct mtd_info {
- u_char type;
- u_int32_t flags;
-@@ -195,6 +196,9 @@
- struct module *owner;
- int usecount;
-
-+ int (*refresh_device)(struct mtd_info *mtd);
-+ struct mtd_info *split;
-+
- /* If the driver is something smart, like UBI, it may need to maintain
- * its own reference counting. The below functions are only for driver.
- * The driver may register its callbacks. These callbacks are not
---- a/include/linux/mtd/partitions.h
-+++ b/include/linux/mtd/partitions.h
-@@ -36,6 +36,7 @@
- * erasesize aligned (e.g. use MTDPART_OFS_NEXTBLK).
- */
-
-+struct mtd_partition;
- struct mtd_partition {
- char *name; /* identifier string */
- u_int32_t size; /* partition size */
-@@ -43,6 +44,7 @@
- u_int32_t mask_flags; /* master MTD flags to mask out for this partition */
- struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only)*/
- struct mtd_info **mtdp; /* pointer to store the MTD object */
-+ int (*refresh_partition)(struct mtd_info *);
- };
-
- #define MTDPART_OFS_NXTBLK (-2)
-@@ -52,6 +54,7 @@
-
- int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
- int del_mtd_partitions(struct mtd_info *);
-+int refresh_mtd_partitions(struct mtd_info *);
-
- /*
- * Functions dealing with the various ways of partitioning the space
---- a/include/mtd/mtd-abi.h
-+++ b/include/mtd/mtd-abi.h
-@@ -95,6 +95,7 @@
- #define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout)
- #define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
- #define MTDFILEMODE _IO('M', 19)
-+#define MTDREFRESH _IO('M', 23)
-
- /*
- * Obsolete legacy interface. Keep it in order not to break userspace
+++ /dev/null
---- a/net/netfilter/Kconfig
-+++ b/net/netfilter/Kconfig
-@@ -603,6 +603,27 @@
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config NETFILTER_XT_MATCH_LAYER7
-+ tristate '"layer7" match support'
-+ depends on NETFILTER_XTABLES
-+ depends on EXPERIMENTAL && (IP_NF_CONNTRACK || NF_CONNTRACK)
-+ depends on NF_CT_ACCT
-+ help
-+ Say Y if you want to be able to classify connections (and their
-+ packets) based on regular expression matching of their application
-+ layer data. This is one way to classify applications such as
-+ peer-to-peer filesharing systems that do not always use the same
-+ port.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config NETFILTER_XT_MATCH_LAYER7_DEBUG
-+ bool 'Layer 7 debugging output'
-+ depends on NETFILTER_XT_MATCH_LAYER7
-+ help
-+ Say Y to get lots of debugging output.
-+
-+
- config NETFILTER_XT_MATCH_STATISTIC
- tristate '"statistic" match support'
- depends on NETFILTER_XTABLES
---- a/net/netfilter/Makefile
-+++ b/net/netfilter/Makefile
-@@ -68,6 +68,7 @@
- obj-$(CONFIG_NETFILTER_XT_MATCH_REALM) += xt_realm.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_SCTP) += xt_sctp.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_STATE) += xt_state.o
-+obj-$(CONFIG_NETFILTER_XT_MATCH_LAYER7) += xt_layer7.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_STATISTIC) += xt_statistic.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_STRING) += xt_string.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_TCPMSS) += xt_tcpmss.o
---- /dev/null
-+++ b/net/netfilter/xt_layer7.c
-@@ -0,0 +1,634 @@
-+/*
-+ Kernel module to match application layer (OSI layer 7) data in connections.
-+
-+ http://l7-filter.sf.net
-+
-+ (C) 2003, 2004, 2005, 2006, 2007 Matthew Strait and Ethan Sommer.
-+
-+ This program is free software; you can redistribute it and/or
-+ modify it under the terms of the GNU General Public License
-+ as published by the Free Software Foundation; either version
-+ 2 of the License, or (at your option) any later version.
-+ http://www.gnu.org/licenses/gpl.txt
-+
-+ Based on ipt_string.c (C) 2000 Emmanuel Roger <winfield@freegates.be>,
-+ xt_helper.c (C) 2002 Harald Welte and cls_layer7.c (C) 2003 Matthew Strait,
-+ Ethan Sommer, Justin Levandoski.
-+*/
-+
-+#include <linux/spinlock.h>
-+#include <linux/version.h>
-+#include <net/ip.h>
-+#include <net/tcp.h>
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter.h>
-+#include <net/netfilter/nf_conntrack.h>
-+#include <net/netfilter/nf_conntrack_core.h>
-+#include <linux/netfilter/x_tables.h>
-+#include <linux/netfilter/xt_layer7.h>
-+#include <linux/ctype.h>
-+#include <linux/proc_fs.h>
-+
-+#include "regexp/regexp.c"
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Matthew Strait <quadong@users.sf.net>, Ethan Sommer <sommere@users.sf.net>");
-+MODULE_DESCRIPTION("iptables application layer match module");
-+MODULE_ALIAS("ipt_layer7");
-+MODULE_VERSION("2.17");
-+
-+static int maxdatalen = 2048; // this is the default
-+module_param(maxdatalen, int, 0444);
-+MODULE_PARM_DESC(maxdatalen, "maximum bytes of data looked at by l7-filter");
-+#ifdef CONFIG_NETFILTER_XT_MATCH_LAYER7_DEBUG
-+ #define DPRINTK(format,args...) printk(format,##args)
-+#else
-+ #define DPRINTK(format,args...)
-+#endif
-+
-+#define TOTAL_PACKETS master_conntrack->counters[IP_CT_DIR_ORIGINAL].packets + \
-+ master_conntrack->counters[IP_CT_DIR_REPLY].packets
-+
-+/* Number of packets whose data we look at.
-+This can be modified through /proc/net/layer7_numpackets */
-+static int num_packets = 10;
-+
-+static struct pattern_cache {
-+ char * regex_string;
-+ regexp * pattern;
-+ struct pattern_cache * next;
-+} * first_pattern_cache = NULL;
-+
-+DEFINE_SPINLOCK(l7_lock);
-+
-+#ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG
-+/* Converts an unfriendly string into a friendly one by
-+replacing unprintables with periods and all whitespace with " ". */
-+static char * friendly_print(unsigned char * s)
-+{
-+ char * f = kmalloc(strlen(s) + 1, GFP_ATOMIC);
-+ int i;
-+
-+ if(!f) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "friendly_print, bailing.\n");
-+ return NULL;
-+ }
-+
-+ for(i = 0; i < strlen(s); i++){
-+ if(isprint(s[i]) && s[i] < 128) f[i] = s[i];
-+ else if(isspace(s[i])) f[i] = ' ';
-+ else f[i] = '.';
-+ }
-+ f[i] = '\0';
-+ return f;
-+}
-+
-+static char dec2hex(int i)
-+{
-+ switch (i) {
-+ case 0 ... 9:
-+ return (i + '0');
-+ break;
-+ case 10 ... 15:
-+ return (i - 10 + 'a');
-+ break;
-+ default:
-+ if (net_ratelimit())
-+ printk("layer7: Problem in dec2hex\n");
-+ return '\0';
-+ }
-+}
-+
-+static char * hex_print(unsigned char * s)
-+{
-+ char * g = kmalloc(strlen(s)*3 + 1, GFP_ATOMIC);
-+ int i;
-+
-+ if(!g) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in hex_print, "
-+ "bailing.\n");
-+ return NULL;
-+ }
-+
-+ for(i = 0; i < strlen(s); i++) {
-+ g[i*3 ] = dec2hex(s[i]/16);
-+ g[i*3 + 1] = dec2hex(s[i]%16);
-+ g[i*3 + 2] = ' ';
-+ }
-+ g[i*3] = '\0';
-+
-+ return g;
-+}
-+#endif // DEBUG
-+
-+/* Use instead of regcomp. As we expect to be seeing the same regexps over and
-+over again, it make sense to cache the results. */
-+static regexp * compile_and_cache(const char * regex_string,
-+ const char * protocol)
-+{
-+ struct pattern_cache * node = first_pattern_cache;
-+ struct pattern_cache * last_pattern_cache = first_pattern_cache;
-+ struct pattern_cache * tmp;
-+ unsigned int len;
-+
-+ while (node != NULL) {
-+ if (!strcmp(node->regex_string, regex_string))
-+ return node->pattern;
-+
-+ last_pattern_cache = node;/* points at the last non-NULL node */
-+ node = node->next;
-+ }
-+
-+ /* If we reach the end of the list, then we have not yet cached
-+ the pattern for this regex. Let's do that now.
-+ Be paranoid about running out of memory to avoid list corruption. */
-+ tmp = kmalloc(sizeof(struct pattern_cache), GFP_ATOMIC);
-+
-+ if(!tmp) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "compile_and_cache, bailing.\n");
-+ return NULL;
-+ }
-+
-+ tmp->regex_string = kmalloc(strlen(regex_string) + 1, GFP_ATOMIC);
-+ tmp->pattern = kmalloc(sizeof(struct regexp), GFP_ATOMIC);
-+ tmp->next = NULL;
-+
-+ if(!tmp->regex_string || !tmp->pattern) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "compile_and_cache, bailing.\n");
-+ kfree(tmp->regex_string);
-+ kfree(tmp->pattern);
-+ kfree(tmp);
-+ return NULL;
-+ }
-+
-+ /* Ok. The new node is all ready now. */
-+ node = tmp;
-+
-+ if(first_pattern_cache == NULL) /* list is empty */
-+ first_pattern_cache = node; /* make node the beginning */
-+ else
-+ last_pattern_cache->next = node; /* attach node to the end */
-+
-+ /* copy the string and compile the regex */
-+ len = strlen(regex_string);
-+ DPRINTK("About to compile this: \"%s\"\n", regex_string);
-+ node->pattern = regcomp((char *)regex_string, &len);
-+ if ( !node->pattern ) {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: Error compiling regexp "
-+ "\"%s\" (%s)\n",
-+ regex_string, protocol);
-+ /* pattern is now cached as NULL, so we won't try again. */
-+ }
-+
-+ strcpy(node->regex_string, regex_string);
-+ return node->pattern;
-+}
-+
-+static int can_handle(const struct sk_buff *skb)
-+{
-+ if(!ip_hdr(skb)) /* not IP */
-+ return 0;
-+ if(ip_hdr(skb)->protocol != IPPROTO_TCP &&
-+ ip_hdr(skb)->protocol != IPPROTO_UDP &&
-+ ip_hdr(skb)->protocol != IPPROTO_ICMP)
-+ return 0;
-+ return 1;
-+}
-+
-+/* Returns offset the into the skb->data that the application data starts */
-+static int app_data_offset(const struct sk_buff *skb)
-+{
-+ /* In case we are ported somewhere (ebtables?) where ip_hdr(skb)
-+ isn't set, this can be gotten from 4*(skb->data[0] & 0x0f) as well. */
-+ int ip_hl = 4*ip_hdr(skb)->ihl;
-+
-+ if( ip_hdr(skb)->protocol == IPPROTO_TCP ) {
-+ /* 12 == offset into TCP header for the header length field.
-+ Can't get this with skb->h.th->doff because the tcphdr
-+ struct doesn't get set when routing (this is confirmed to be
-+ true in Netfilter as well as QoS.) */
-+ int tcp_hl = 4*(skb->data[ip_hl + 12] >> 4);
-+
-+ return ip_hl + tcp_hl;
-+ } else if( ip_hdr(skb)->protocol == IPPROTO_UDP ) {
-+ return ip_hl + 8; /* UDP header is always 8 bytes */
-+ } else if( ip_hdr(skb)->protocol == IPPROTO_ICMP ) {
-+ return ip_hl + 8; /* ICMP header is 8 bytes */
-+ } else {
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: tried to handle unknown "
-+ "protocol!\n");
-+ return ip_hl + 8; /* something reasonable */
-+ }
-+}
-+
-+/* handles whether there's a match when we aren't appending data anymore */
-+static int match_no_append(struct nf_conn * conntrack,
-+ struct nf_conn * master_conntrack,
-+ enum ip_conntrack_info ctinfo,
-+ enum ip_conntrack_info master_ctinfo,
-+ const struct xt_layer7_info * info)
-+{
-+ /* If we're in here, throw the app data away */
-+ if(master_conntrack->layer7.app_data != NULL) {
-+
-+ #ifdef CONFIG_IP_NF_MATCH_LAYER7_DEBUG
-+ if(!master_conntrack->layer7.app_proto) {
-+ char * f =
-+ friendly_print(master_conntrack->layer7.app_data);
-+ char * g =
-+ hex_print(master_conntrack->layer7.app_data);
-+ DPRINTK("\nl7-filter gave up after %d bytes "
-+ "(%d packets):\n%s\n",
-+ strlen(f), TOTAL_PACKETS, f);
-+ kfree(f);
-+ DPRINTK("In hex: %s\n", g);
-+ kfree(g);
-+ }
-+ #endif
-+
-+ kfree(master_conntrack->layer7.app_data);
-+ master_conntrack->layer7.app_data = NULL; /* don't free again */
-+ }
-+
-+ if(master_conntrack->layer7.app_proto){
-+ /* Here child connections set their .app_proto (for /proc) */
-+ if(!conntrack->layer7.app_proto) {
-+ conntrack->layer7.app_proto =
-+ kmalloc(strlen(master_conntrack->layer7.app_proto)+1,
-+ GFP_ATOMIC);
-+ if(!conntrack->layer7.app_proto){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory "
-+ "in match_no_append, "
-+ "bailing.\n");
-+ return 1;
-+ }
-+ strcpy(conntrack->layer7.app_proto,
-+ master_conntrack->layer7.app_proto);
-+ }
-+
-+ return (!strcmp(master_conntrack->layer7.app_proto,
-+ info->protocol));
-+ }
-+ else {
-+ /* If not classified, set to "unknown" to distinguish from
-+ connections that are still being tested. */
-+ master_conntrack->layer7.app_proto =
-+ kmalloc(strlen("unknown")+1, GFP_ATOMIC);
-+ if(!master_conntrack->layer7.app_proto){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "match_no_append, bailing.\n");
-+ return 1;
-+ }
-+ strcpy(master_conntrack->layer7.app_proto, "unknown");
-+ return 0;
-+ }
-+}
-+
-+/* add the new app data to the conntrack. Return number of bytes added. */
-+static int add_data(struct nf_conn * master_conntrack,
-+ char * app_data, int appdatalen)
-+{
-+ int length = 0, i;
-+ int oldlength = master_conntrack->layer7.app_data_len;
-+
-+ /* This is a fix for a race condition by Deti Fliegl. However, I'm not
-+ clear on whether the race condition exists or whether this really
-+ fixes it. I might just be being dense... Anyway, if it's not really
-+ a fix, all it does is waste a very small amount of time. */
-+ if(!master_conntrack->layer7.app_data) return 0;
-+
-+ /* Strip nulls. Make everything lower case (our regex lib doesn't
-+ do case insensitivity). Add it to the end of the current data. */
-+ for(i = 0; i < maxdatalen-oldlength-1 &&
-+ i < appdatalen; i++) {
-+ if(app_data[i] != '\0') {
-+ /* the kernel version of tolower mungs 'upper ascii' */
-+ master_conntrack->layer7.app_data[length+oldlength] =
-+ isascii(app_data[i])?
-+ tolower(app_data[i]) : app_data[i];
-+ length++;
-+ }
-+ }
-+
-+ master_conntrack->layer7.app_data[length+oldlength] = '\0';
-+ master_conntrack->layer7.app_data_len = length + oldlength;
-+
-+ return length;
-+}
-+
-+/* taken from drivers/video/modedb.c */
-+static int my_atoi(const char *s)
-+{
-+ int val = 0;
-+
-+ for (;; s++) {
-+ switch (*s) {
-+ case '0'...'9':
-+ val = 10*val+(*s-'0');
-+ break;
-+ default:
-+ return val;
-+ }
-+ }
-+}
-+
-+/* write out num_packets to userland. */
-+static int layer7_read_proc(char* page, char ** start, off_t off, int count,
-+ int* eof, void * data)
-+{
-+ if(num_packets > 99 && net_ratelimit())
-+ printk(KERN_ERR "layer7: NOT REACHED. num_packets too big\n");
-+
-+ page[0] = num_packets/10 + '0';
-+ page[1] = num_packets%10 + '0';
-+ page[2] = '\n';
-+ page[3] = '\0';
-+
-+ *eof=1;
-+
-+ return 3;
-+}
-+
-+/* Read in num_packets from userland */
-+static int layer7_write_proc(struct file* file, const char* buffer,
-+ unsigned long count, void *data)
-+{
-+ char * foo = kmalloc(count, GFP_ATOMIC);
-+
-+ if(!foo){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory, bailing. "
-+ "num_packets unchanged.\n");
-+ return count;
-+ }
-+
-+ if(copy_from_user(foo, buffer, count)) {
-+ return -EFAULT;
-+ }
-+
-+
-+ num_packets = my_atoi(foo);
-+ kfree (foo);
-+
-+ /* This has an arbitrary limit to make the math easier. I'm lazy.
-+ But anyway, 99 is a LOT! If you want more, you're doing it wrong! */
-+ if(num_packets > 99) {
-+ printk(KERN_WARNING "layer7: num_packets can't be > 99.\n");
-+ num_packets = 99;
-+ } else if(num_packets < 1) {
-+ printk(KERN_WARNING "layer7: num_packets can't be < 1.\n");
-+ num_packets = 1;
-+ }
-+
-+ return count;
-+}
-+
-+static int
-+match(const struct sk_buff *skbin,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+{
-+ /* sidestep const without getting a compiler warning... */
-+ struct sk_buff * skb = (struct sk_buff *)skbin;
-+
-+ const struct xt_layer7_info * info = matchinfo;
-+ enum ip_conntrack_info master_ctinfo, ctinfo;
-+ struct nf_conn *master_conntrack, *conntrack;
-+ unsigned char * app_data;
-+ unsigned int pattern_result, appdatalen;
-+ regexp * comppattern;
-+
-+ /* Be paranoid/incompetent - lock the entire match function. */
-+ spin_lock_bh(&l7_lock);
-+
-+ if(!can_handle(skb)){
-+ DPRINTK("layer7: This is some protocol I can't handle.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+
-+ /* Treat parent & all its children together as one connection, except
-+ for the purpose of setting conntrack->layer7.app_proto in the actual
-+ connection. This makes /proc/net/ip_conntrack more satisfying. */
-+ if(!(conntrack = nf_ct_get(skb, &ctinfo)) ||
-+ !(master_conntrack=nf_ct_get(skb,&master_ctinfo))){
-+ DPRINTK("layer7: couldn't get conntrack.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+
-+ /* Try to get a master conntrack (and its master etc) for FTP, etc. */
-+ while (master_ct(master_conntrack) != NULL)
-+ master_conntrack = master_ct(master_conntrack);
-+
-+ /* if we've classified it or seen too many packets */
-+ if(TOTAL_PACKETS > num_packets ||
-+ master_conntrack->layer7.app_proto) {
-+
-+ pattern_result = match_no_append(conntrack, master_conntrack,
-+ ctinfo, master_ctinfo, info);
-+
-+ /* skb->cb[0] == seen. Don't do things twice if there are
-+ multiple l7 rules. I'm not sure that using cb for this purpose
-+ is correct, even though it says "put your private variables
-+ there". But it doesn't look like it is being used for anything
-+ else in the skbs that make it here. */
-+ skb->cb[0] = 1; /* marking it seen here's probably irrelevant */
-+
-+ spin_unlock_bh(&l7_lock);
-+ return (pattern_result ^ info->invert);
-+ }
-+
-+ if(skb_is_nonlinear(skb)){
-+ if(skb_linearize(skb) != 0){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: failed to linearize "
-+ "packet, bailing.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+ }
-+
-+ /* now that the skb is linearized, it's safe to set these. */
-+ app_data = skb->data + app_data_offset(skb);
-+ appdatalen = skb_tail_pointer(skb) - app_data;
-+
-+ /* the return value gets checked later, when we're ready to use it */
-+ comppattern = compile_and_cache(info->pattern, info->protocol);
-+
-+ /* On the first packet of a connection, allocate space for app data */
-+ if(TOTAL_PACKETS == 1 && !skb->cb[0] &&
-+ !master_conntrack->layer7.app_data){
-+ master_conntrack->layer7.app_data =
-+ kmalloc(maxdatalen, GFP_ATOMIC);
-+ if(!master_conntrack->layer7.app_data){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "match, bailing.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+
-+ master_conntrack->layer7.app_data[0] = '\0';
-+ }
-+
-+ /* Can be here, but unallocated, if numpackets is increased near
-+ the beginning of a connection */
-+ if(master_conntrack->layer7.app_data == NULL){
-+ spin_unlock_bh(&l7_lock);
-+ return (info->invert); /* unmatched */
-+ }
-+
-+ if(!skb->cb[0]){
-+ int newbytes;
-+ newbytes = add_data(master_conntrack, app_data, appdatalen);
-+
-+ if(newbytes == 0) { /* didn't add any data */
-+ skb->cb[0] = 1;
-+ /* Didn't match before, not going to match now */
-+ spin_unlock_bh(&l7_lock);
-+ return info->invert;
-+ }
-+ }
-+
-+ /* If looking for "unknown", then never match. "Unknown" means that
-+ we've given up; we're still trying with these packets. */
-+ if(!strcmp(info->protocol, "unknown")) {
-+ pattern_result = 0;
-+ /* If looking for "unset", then always match. "Unset" means that we
-+ haven't yet classified the connection. */
-+ } else if(!strcmp(info->protocol, "unset")) {
-+ pattern_result = 2;
-+ DPRINTK("layer7: matched unset: not yet classified "
-+ "(%d/%d packets)\n", TOTAL_PACKETS, num_packets);
-+ /* If the regexp failed to compile, don't bother running it */
-+ } else if(comppattern &&
-+ regexec(comppattern, master_conntrack->layer7.app_data)){
-+ DPRINTK("layer7: matched %s\n", info->protocol);
-+ pattern_result = 1;
-+ } else pattern_result = 0;
-+
-+ if(pattern_result == 1) {
-+ master_conntrack->layer7.app_proto =
-+ kmalloc(strlen(info->protocol)+1, GFP_ATOMIC);
-+ if(!master_conntrack->layer7.app_proto){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in "
-+ "match, bailing.\n");
-+ spin_unlock_bh(&l7_lock);
-+ return (pattern_result ^ info->invert);
-+ }
-+ strcpy(master_conntrack->layer7.app_proto, info->protocol);
-+ } else if(pattern_result > 1) { /* cleanup from "unset" */
-+ pattern_result = 1;
-+ }
-+
-+ /* mark the packet seen */
-+ skb->cb[0] = 1;
-+
-+ spin_unlock_bh(&l7_lock);
-+ return (pattern_result ^ info->invert);
-+}
-+
-+static int check(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+
-+{
-+ // load nf_conntrack_ipv4
-+ if (nf_ct_l3proto_try_module_get(match->family) < 0) {
-+ printk(KERN_WARNING "can't load conntrack support for "
-+ "proto=%d\n", match->family);
-+ return false;
-+ }
-+ return true;
-+}
-+
-+static void
-+destroy(const struct xt_match *match, void *matchinfo)
-+{
-+ nf_ct_l3proto_module_put(match->family);
-+}
-+
-+static struct xt_match xt_layer7_match[] = {
-+{
-+ .name = "layer7",
-+ .family = AF_INET,
-+ .checkentry = check,
-+ .match = match,
-+ .destroy = destroy,
-+ .matchsize = sizeof(struct xt_layer7_info),
-+ .me = THIS_MODULE
-+}
-+};
-+
-+static void layer7_cleanup_proc(void)
-+{
-+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
-+ remove_proc_entry("layer7_numpackets", proc_net);
-+#else
-+ remove_proc_entry("layer7_numpackets", init_net.proc_net);
-+#endif
-+}
-+
-+/* register the proc file */
-+static void layer7_init_proc(void)
-+{
-+ struct proc_dir_entry* entry;
-+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
-+ entry = create_proc_entry("layer7_numpackets", 0644, proc_net);
-+#else
-+ entry = create_proc_entry("layer7_numpackets", 0644, init_net.proc_net);
-+#endif
-+ entry->read_proc = layer7_read_proc;
-+ entry->write_proc = layer7_write_proc;
-+}
-+
-+static int __init xt_layer7_init(void)
-+{
-+ need_conntrack();
-+
-+ layer7_init_proc();
-+ if(maxdatalen < 1) {
-+ printk(KERN_WARNING "layer7: maxdatalen can't be < 1, "
-+ "using 1\n");
-+ maxdatalen = 1;
-+ }
-+ /* This is not a hard limit. It's just here to prevent people from
-+ bringing their slow machines to a grinding halt. */
-+ else if(maxdatalen > 65536) {
-+ printk(KERN_WARNING "layer7: maxdatalen can't be > 65536, "
-+ "using 65536\n");
-+ maxdatalen = 65536;
-+ }
-+ return xt_register_matches(xt_layer7_match,
-+ ARRAY_SIZE(xt_layer7_match));
-+}
-+
-+static void __exit xt_layer7_fini(void)
-+{
-+ layer7_cleanup_proc();
-+ xt_unregister_matches(xt_layer7_match, ARRAY_SIZE(xt_layer7_match));
-+}
-+
-+module_init(xt_layer7_init);
-+module_exit(xt_layer7_fini);
---- /dev/null
-+++ b/net/netfilter/regexp/regexp.c
-@@ -0,0 +1,1197 @@
-+/*
-+ * regcomp and regexec -- regsub and regerror are elsewhere
-+ * @(#)regexp.c 1.3 of 18 April 87
-+ *
-+ * Copyright (c) 1986 by University of Toronto.
-+ * Written by Henry Spencer. Not derived from licensed software.
-+ *
-+ * Permission is granted to anyone to use this software for any
-+ * purpose on any computer system, and to redistribute it freely,
-+ * subject to the following restrictions:
-+ *
-+ * 1. The author is not responsible for the consequences of use of
-+ * this software, no matter how awful, even if they arise
-+ * from defects in it.
-+ *
-+ * 2. The origin of this software must not be misrepresented, either
-+ * by explicit claim or by omission.
-+ *
-+ * 3. Altered versions must be plainly marked as such, and must not
-+ * be misrepresented as being the original software.
-+ *
-+ * Beware that some of this code is subtly aware of the way operator
-+ * precedence is structured in regular expressions. Serious changes in
-+ * regular-expression syntax might require a total rethink.
-+ *
-+ * This code was modified by Ethan Sommer to work within the kernel
-+ * (it now uses kmalloc etc..)
-+ *
-+ * Modified slightly by Matthew Strait to use more modern C.
-+ */
-+
-+#include "regexp.h"
-+#include "regmagic.h"
-+
-+/* added by ethan and matt. Lets it work in both kernel and user space.
-+(So iptables can use it, for instance.) Yea, it goes both ways... */
-+#if __KERNEL__
-+ #define malloc(foo) kmalloc(foo,GFP_ATOMIC)
-+#else
-+ #define printk(format,args...) printf(format,##args)
-+#endif
-+
-+void regerror(char * s)
-+{
-+ printk("<3>Regexp: %s\n", s);
-+ /* NOTREACHED */
-+}
-+
-+/*
-+ * The "internal use only" fields in regexp.h are present to pass info from
-+ * compile to execute that permits the execute phase to run lots faster on
-+ * simple cases. They are:
-+ *
-+ * regstart char that must begin a match; '\0' if none obvious
-+ * reganch is the match anchored (at beginning-of-line only)?
-+ * regmust string (pointer into program) that match must include, or NULL
-+ * regmlen length of regmust string
-+ *
-+ * Regstart and reganch permit very fast decisions on suitable starting points
-+ * for a match, cutting down the work a lot. Regmust permits fast rejection
-+ * of lines that cannot possibly match. The regmust tests are costly enough
-+ * that regcomp() supplies a regmust only if the r.e. contains something
-+ * potentially expensive (at present, the only such thing detected is * or +
-+ * at the start of the r.e., which can involve a lot of backup). Regmlen is
-+ * supplied because the test in regexec() needs it and regcomp() is computing
-+ * it anyway.
-+ */
-+
-+/*
-+ * Structure for regexp "program". This is essentially a linear encoding
-+ * of a nondeterministic finite-state machine (aka syntax charts or
-+ * "railroad normal form" in parsing technology). Each node is an opcode
-+ * plus a "next" pointer, possibly plus an operand. "Next" pointers of
-+ * all nodes except BRANCH implement concatenation; a "next" pointer with
-+ * a BRANCH on both ends of it is connecting two alternatives. (Here we
-+ * have one of the subtle syntax dependencies: an individual BRANCH (as
-+ * opposed to a collection of them) is never concatenated with anything
-+ * because of operator precedence.) The operand of some types of node is
-+ * a literal string; for others, it is a node leading into a sub-FSM. In
-+ * particular, the operand of a BRANCH node is the first node of the branch.
-+ * (NB this is *not* a tree structure: the tail of the branch connects
-+ * to the thing following the set of BRANCHes.) The opcodes are:
-+ */
-+
-+/* definition number opnd? meaning */
-+#define END 0 /* no End of program. */
-+#define BOL 1 /* no Match "" at beginning of line. */
-+#define EOL 2 /* no Match "" at end of line. */
-+#define ANY 3 /* no Match any one character. */
-+#define ANYOF 4 /* str Match any character in this string. */
-+#define ANYBUT 5 /* str Match any character not in this string. */
-+#define BRANCH 6 /* node Match this alternative, or the next... */
-+#define BACK 7 /* no Match "", "next" ptr points backward. */
-+#define EXACTLY 8 /* str Match this string. */
-+#define NOTHING 9 /* no Match empty string. */
-+#define STAR 10 /* node Match this (simple) thing 0 or more times. */
-+#define PLUS 11 /* node Match this (simple) thing 1 or more times. */
-+#define OPEN 20 /* no Mark this point in input as start of #n. */
-+ /* OPEN+1 is number 1, etc. */
-+#define CLOSE 30 /* no Analogous to OPEN. */
-+
-+/*
-+ * Opcode notes:
-+ *
-+ * BRANCH The set of branches constituting a single choice are hooked
-+ * together with their "next" pointers, since precedence prevents
-+ * anything being concatenated to any individual branch. The
-+ * "next" pointer of the last BRANCH in a choice points to the
-+ * thing following the whole choice. This is also where the
-+ * final "next" pointer of each individual branch points; each
-+ * branch starts with the operand node of a BRANCH node.
-+ *
-+ * BACK Normal "next" pointers all implicitly point forward; BACK
-+ * exists to make loop structures possible.
-+ *
-+ * STAR,PLUS '?', and complex '*' and '+', are implemented as circular
-+ * BRANCH structures using BACK. Simple cases (one character
-+ * per match) are implemented with STAR and PLUS for speed
-+ * and to minimize recursive plunges.
-+ *
-+ * OPEN,CLOSE ...are numbered at compile time.
-+ */
-+
-+/*
-+ * A node is one char of opcode followed by two chars of "next" pointer.
-+ * "Next" pointers are stored as two 8-bit pieces, high order first. The
-+ * value is a positive offset from the opcode of the node containing it.
-+ * An operand, if any, simply follows the node. (Note that much of the
-+ * code generation knows about this implicit relationship.)
-+ *
-+ * Using two bytes for the "next" pointer is vast overkill for most things,
-+ * but allows patterns to get big without disasters.
-+ */
-+#define OP(p) (*(p))
-+#define NEXT(p) (((*((p)+1)&0377)<<8) + (*((p)+2)&0377))
-+#define OPERAND(p) ((p) + 3)
-+
-+/*
-+ * See regmagic.h for one further detail of program structure.
-+ */
-+
-+
-+/*
-+ * Utility definitions.
-+ */
-+#ifndef CHARBITS
-+#define UCHARAT(p) ((int)*(unsigned char *)(p))
-+#else
-+#define UCHARAT(p) ((int)*(p)&CHARBITS)
-+#endif
-+
-+#define FAIL(m) { regerror(m); return(NULL); }
-+#define ISMULT(c) ((c) == '*' || (c) == '+' || (c) == '?')
-+#define META "^$.[()|?+*\\"
-+
-+/*
-+ * Flags to be passed up and down.
-+ */
-+#define HASWIDTH 01 /* Known never to match null string. */
-+#define SIMPLE 02 /* Simple enough to be STAR/PLUS operand. */
-+#define SPSTART 04 /* Starts with * or +. */
-+#define WORST 0 /* Worst case. */
-+
-+/*
-+ * Global work variables for regcomp().
-+ */
-+struct match_globals {
-+char *reginput; /* String-input pointer. */
-+char *regbol; /* Beginning of input, for ^ check. */
-+char **regstartp; /* Pointer to startp array. */
-+char **regendp; /* Ditto for endp. */
-+char *regparse; /* Input-scan pointer. */
-+int regnpar; /* () count. */
-+char regdummy;
-+char *regcode; /* Code-emit pointer; ®dummy = don't. */
-+long regsize; /* Code size. */
-+};
-+
-+/*
-+ * Forward declarations for regcomp()'s friends.
-+ */
-+#ifndef STATIC
-+#define STATIC static
-+#endif
-+STATIC char *reg(struct match_globals *g, int paren,int *flagp);
-+STATIC char *regbranch(struct match_globals *g, int *flagp);
-+STATIC char *regpiece(struct match_globals *g, int *flagp);
-+STATIC char *regatom(struct match_globals *g, int *flagp);
-+STATIC char *regnode(struct match_globals *g, char op);
-+STATIC char *regnext(struct match_globals *g, char *p);
-+STATIC void regc(struct match_globals *g, char b);
-+STATIC void reginsert(struct match_globals *g, char op, char *opnd);
-+STATIC void regtail(struct match_globals *g, char *p, char *val);
-+STATIC void regoptail(struct match_globals *g, char *p, char *val);
-+
-+
-+__kernel_size_t my_strcspn(const char *s1,const char *s2)
-+{
-+ char *scan1;
-+ char *scan2;
-+ int count;
-+
-+ count = 0;
-+ for (scan1 = (char *)s1; *scan1 != '\0'; scan1++) {
-+ for (scan2 = (char *)s2; *scan2 != '\0';) /* ++ moved down. */
-+ if (*scan1 == *scan2++)
-+ return(count);
-+ count++;
-+ }
-+ return(count);
-+}
-+
-+/*
-+ - regcomp - compile a regular expression into internal code
-+ *
-+ * We can't allocate space until we know how big the compiled form will be,
-+ * but we can't compile it (and thus know how big it is) until we've got a
-+ * place to put the code. So we cheat: we compile it twice, once with code
-+ * generation turned off and size counting turned on, and once "for real".
-+ * This also means that we don't allocate space until we are sure that the
-+ * thing really will compile successfully, and we never have to move the
-+ * code and thus invalidate pointers into it. (Note that it has to be in
-+ * one piece because free() must be able to free it all.)
-+ *
-+ * Beware that the optimization-preparation code in here knows about some
-+ * of the structure of the compiled regexp.
-+ */
-+regexp *
-+regcomp(char *exp,int *patternsize)
-+{
-+ register regexp *r;
-+ register char *scan;
-+ register char *longest;
-+ register int len;
-+ int flags;
-+ struct match_globals g;
-+
-+ /* commented out by ethan
-+ extern char *malloc();
-+ */
-+
-+ if (exp == NULL)
-+ FAIL("NULL argument");
-+
-+ /* First pass: determine size, legality. */
-+ g.regparse = exp;
-+ g.regnpar = 1;
-+ g.regsize = 0L;
-+ g.regcode = &g.regdummy;
-+ regc(&g, MAGIC);
-+ if (reg(&g, 0, &flags) == NULL)
-+ return(NULL);
-+
-+ /* Small enough for pointer-storage convention? */
-+ if (g.regsize >= 32767L) /* Probably could be 65535L. */
-+ FAIL("regexp too big");
-+
-+ /* Allocate space. */
-+ *patternsize=sizeof(regexp) + (unsigned)g.regsize;
-+ r = (regexp *)malloc(sizeof(regexp) + (unsigned)g.regsize);
-+ if (r == NULL)
-+ FAIL("out of space");
-+
-+ /* Second pass: emit code. */
-+ g.regparse = exp;
-+ g.regnpar = 1;
-+ g.regcode = r->program;
-+ regc(&g, MAGIC);
-+ if (reg(&g, 0, &flags) == NULL)
-+ return(NULL);
-+
-+ /* Dig out information for optimizations. */
-+ r->regstart = '\0'; /* Worst-case defaults. */
-+ r->reganch = 0;
-+ r->regmust = NULL;
-+ r->regmlen = 0;
-+ scan = r->program+1; /* First BRANCH. */
-+ if (OP(regnext(&g, scan)) == END) { /* Only one top-level choice. */
-+ scan = OPERAND(scan);
-+
-+ /* Starting-point info. */
-+ if (OP(scan) == EXACTLY)
-+ r->regstart = *OPERAND(scan);
-+ else if (OP(scan) == BOL)
-+ r->reganch++;
-+
-+ /*
-+ * If there's something expensive in the r.e., find the
-+ * longest literal string that must appear and make it the
-+ * regmust. Resolve ties in favor of later strings, since
-+ * the regstart check works with the beginning of the r.e.
-+ * and avoiding duplication strengthens checking. Not a
-+ * strong reason, but sufficient in the absence of others.
-+ */
-+ if (flags&SPSTART) {
-+ longest = NULL;
-+ len = 0;
-+ for (; scan != NULL; scan = regnext(&g, scan))
-+ if (OP(scan) == EXACTLY && strlen(OPERAND(scan)) >= len) {
-+ longest = OPERAND(scan);
-+ len = strlen(OPERAND(scan));
-+ }
-+ r->regmust = longest;
-+ r->regmlen = len;
-+ }
-+ }
-+
-+ return(r);
-+}
-+
-+/*
-+ - reg - regular expression, i.e. main body or parenthesized thing
-+ *
-+ * Caller must absorb opening parenthesis.
-+ *
-+ * Combining parenthesis handling with the base level of regular expression
-+ * is a trifle forced, but the need to tie the tails of the branches to what
-+ * follows makes it hard to avoid.
-+ */
-+static char *
-+reg(struct match_globals *g, int paren, int *flagp /* Parenthesized? */ )
-+{
-+ register char *ret;
-+ register char *br;
-+ register char *ender;
-+ register int parno = 0; /* 0 makes gcc happy */
-+ int flags;
-+
-+ *flagp = HASWIDTH; /* Tentatively. */
-+
-+ /* Make an OPEN node, if parenthesized. */
-+ if (paren) {
-+ if (g->regnpar >= NSUBEXP)
-+ FAIL("too many ()");
-+ parno = g->regnpar;
-+ g->regnpar++;
-+ ret = regnode(g, OPEN+parno);
-+ } else
-+ ret = NULL;
-+
-+ /* Pick up the branches, linking them together. */
-+ br = regbranch(g, &flags);
-+ if (br == NULL)
-+ return(NULL);
-+ if (ret != NULL)
-+ regtail(g, ret, br); /* OPEN -> first. */
-+ else
-+ ret = br;
-+ if (!(flags&HASWIDTH))
-+ *flagp &= ~HASWIDTH;
-+ *flagp |= flags&SPSTART;
-+ while (*g->regparse == '|') {
-+ g->regparse++;
-+ br = regbranch(g, &flags);
-+ if (br == NULL)
-+ return(NULL);
-+ regtail(g, ret, br); /* BRANCH -> BRANCH. */
-+ if (!(flags&HASWIDTH))
-+ *flagp &= ~HASWIDTH;
-+ *flagp |= flags&SPSTART;
-+ }
-+
-+ /* Make a closing node, and hook it on the end. */
-+ ender = regnode(g, (paren) ? CLOSE+parno : END);
-+ regtail(g, ret, ender);
-+
-+ /* Hook the tails of the branches to the closing node. */
-+ for (br = ret; br != NULL; br = regnext(g, br))
-+ regoptail(g, br, ender);
-+
-+ /* Check for proper termination. */
-+ if (paren && *g->regparse++ != ')') {
-+ FAIL("unmatched ()");
-+ } else if (!paren && *g->regparse != '\0') {
-+ if (*g->regparse == ')') {
-+ FAIL("unmatched ()");
-+ } else
-+ FAIL("junk on end"); /* "Can't happen". */
-+ /* NOTREACHED */
-+ }
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regbranch - one alternative of an | operator
-+ *
-+ * Implements the concatenation operator.
-+ */
-+static char *
-+regbranch(struct match_globals *g, int *flagp)
-+{
-+ register char *ret;
-+ register char *chain;
-+ register char *latest;
-+ int flags;
-+
-+ *flagp = WORST; /* Tentatively. */
-+
-+ ret = regnode(g, BRANCH);
-+ chain = NULL;
-+ while (*g->regparse != '\0' && *g->regparse != '|' && *g->regparse != ')') {
-+ latest = regpiece(g, &flags);
-+ if (latest == NULL)
-+ return(NULL);
-+ *flagp |= flags&HASWIDTH;
-+ if (chain == NULL) /* First piece. */
-+ *flagp |= flags&SPSTART;
-+ else
-+ regtail(g, chain, latest);
-+ chain = latest;
-+ }
-+ if (chain == NULL) /* Loop ran zero times. */
-+ (void) regnode(g, NOTHING);
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regpiece - something followed by possible [*+?]
-+ *
-+ * Note that the branching code sequences used for ? and the general cases
-+ * of * and + are somewhat optimized: they use the same NOTHING node as
-+ * both the endmarker for their branch list and the body of the last branch.
-+ * It might seem that this node could be dispensed with entirely, but the
-+ * endmarker role is not redundant.
-+ */
-+static char *
-+regpiece(struct match_globals *g, int *flagp)
-+{
-+ register char *ret;
-+ register char op;
-+ register char *next;
-+ int flags;
-+
-+ ret = regatom(g, &flags);
-+ if (ret == NULL)
-+ return(NULL);
-+
-+ op = *g->regparse;
-+ if (!ISMULT(op)) {
-+ *flagp = flags;
-+ return(ret);
-+ }
-+
-+ if (!(flags&HASWIDTH) && op != '?')
-+ FAIL("*+ operand could be empty");
-+ *flagp = (op != '+') ? (WORST|SPSTART) : (WORST|HASWIDTH);
-+
-+ if (op == '*' && (flags&SIMPLE))
-+ reginsert(g, STAR, ret);
-+ else if (op == '*') {
-+ /* Emit x* as (x&|), where & means "self". */
-+ reginsert(g, BRANCH, ret); /* Either x */
-+ regoptail(g, ret, regnode(g, BACK)); /* and loop */
-+ regoptail(g, ret, ret); /* back */
-+ regtail(g, ret, regnode(g, BRANCH)); /* or */
-+ regtail(g, ret, regnode(g, NOTHING)); /* null. */
-+ } else if (op == '+' && (flags&SIMPLE))
-+ reginsert(g, PLUS, ret);
-+ else if (op == '+') {
-+ /* Emit x+ as x(&|), where & means "self". */
-+ next = regnode(g, BRANCH); /* Either */
-+ regtail(g, ret, next);
-+ regtail(g, regnode(g, BACK), ret); /* loop back */
-+ regtail(g, next, regnode(g, BRANCH)); /* or */
-+ regtail(g, ret, regnode(g, NOTHING)); /* null. */
-+ } else if (op == '?') {
-+ /* Emit x? as (x|) */
-+ reginsert(g, BRANCH, ret); /* Either x */
-+ regtail(g, ret, regnode(g, BRANCH)); /* or */
-+ next = regnode(g, NOTHING); /* null. */
-+ regtail(g, ret, next);
-+ regoptail(g, ret, next);
-+ }
-+ g->regparse++;
-+ if (ISMULT(*g->regparse))
-+ FAIL("nested *?+");
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regatom - the lowest level
-+ *
-+ * Optimization: gobbles an entire sequence of ordinary characters so that
-+ * it can turn them into a single node, which is smaller to store and
-+ * faster to run. Backslashed characters are exceptions, each becoming a
-+ * separate node; the code is simpler that way and it's not worth fixing.
-+ */
-+static char *
-+regatom(struct match_globals *g, int *flagp)
-+{
-+ register char *ret;
-+ int flags;
-+
-+ *flagp = WORST; /* Tentatively. */
-+
-+ switch (*g->regparse++) {
-+ case '^':
-+ ret = regnode(g, BOL);
-+ break;
-+ case '$':
-+ ret = regnode(g, EOL);
-+ break;
-+ case '.':
-+ ret = regnode(g, ANY);
-+ *flagp |= HASWIDTH|SIMPLE;
-+ break;
-+ case '[': {
-+ register int class;
-+ register int classend;
-+
-+ if (*g->regparse == '^') { /* Complement of range. */
-+ ret = regnode(g, ANYBUT);
-+ g->regparse++;
-+ } else
-+ ret = regnode(g, ANYOF);
-+ if (*g->regparse == ']' || *g->regparse == '-')
-+ regc(g, *g->regparse++);
-+ while (*g->regparse != '\0' && *g->regparse != ']') {
-+ if (*g->regparse == '-') {
-+ g->regparse++;
-+ if (*g->regparse == ']' || *g->regparse == '\0')
-+ regc(g, '-');
-+ else {
-+ class = UCHARAT(g->regparse-2)+1;
-+ classend = UCHARAT(g->regparse);
-+ if (class > classend+1)
-+ FAIL("invalid [] range");
-+ for (; class <= classend; class++)
-+ regc(g, class);
-+ g->regparse++;
-+ }
-+ } else
-+ regc(g, *g->regparse++);
-+ }
-+ regc(g, '\0');
-+ if (*g->regparse != ']')
-+ FAIL("unmatched []");
-+ g->regparse++;
-+ *flagp |= HASWIDTH|SIMPLE;
-+ }
-+ break;
-+ case '(':
-+ ret = reg(g, 1, &flags);
-+ if (ret == NULL)
-+ return(NULL);
-+ *flagp |= flags&(HASWIDTH|SPSTART);
-+ break;
-+ case '\0':
-+ case '|':
-+ case ')':
-+ FAIL("internal urp"); /* Supposed to be caught earlier. */
-+ break;
-+ case '?':
-+ case '+':
-+ case '*':
-+ FAIL("?+* follows nothing");
-+ break;
-+ case '\\':
-+ if (*g->regparse == '\0')
-+ FAIL("trailing \\");
-+ ret = regnode(g, EXACTLY);
-+ regc(g, *g->regparse++);
-+ regc(g, '\0');
-+ *flagp |= HASWIDTH|SIMPLE;
-+ break;
-+ default: {
-+ register int len;
-+ register char ender;
-+
-+ g->regparse--;
-+ len = my_strcspn((const char *)g->regparse, (const char *)META);
-+ if (len <= 0)
-+ FAIL("internal disaster");
-+ ender = *(g->regparse+len);
-+ if (len > 1 && ISMULT(ender))
-+ len--; /* Back off clear of ?+* operand. */
-+ *flagp |= HASWIDTH;
-+ if (len == 1)
-+ *flagp |= SIMPLE;
-+ ret = regnode(g, EXACTLY);
-+ while (len > 0) {
-+ regc(g, *g->regparse++);
-+ len--;
-+ }
-+ regc(g, '\0');
-+ }
-+ break;
-+ }
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regnode - emit a node
-+ */
-+static char * /* Location. */
-+regnode(struct match_globals *g, char op)
-+{
-+ register char *ret;
-+ register char *ptr;
-+
-+ ret = g->regcode;
-+ if (ret == &g->regdummy) {
-+ g->regsize += 3;
-+ return(ret);
-+ }
-+
-+ ptr = ret;
-+ *ptr++ = op;
-+ *ptr++ = '\0'; /* Null "next" pointer. */
-+ *ptr++ = '\0';
-+ g->regcode = ptr;
-+
-+ return(ret);
-+}
-+
-+/*
-+ - regc - emit (if appropriate) a byte of code
-+ */
-+static void
-+regc(struct match_globals *g, char b)
-+{
-+ if (g->regcode != &g->regdummy)
-+ *g->regcode++ = b;
-+ else
-+ g->regsize++;
-+}
-+
-+/*
-+ - reginsert - insert an operator in front of already-emitted operand
-+ *
-+ * Means relocating the operand.
-+ */
-+static void
-+reginsert(struct match_globals *g, char op, char* opnd)
-+{
-+ register char *src;
-+ register char *dst;
-+ register char *place;
-+
-+ if (g->regcode == &g->regdummy) {
-+ g->regsize += 3;
-+ return;
-+ }
-+
-+ src = g->regcode;
-+ g->regcode += 3;
-+ dst = g->regcode;
-+ while (src > opnd)
-+ *--dst = *--src;
-+
-+ place = opnd; /* Op node, where operand used to be. */
-+ *place++ = op;
-+ *place++ = '\0';
-+ *place++ = '\0';
-+}
-+
-+/*
-+ - regtail - set the next-pointer at the end of a node chain
-+ */
-+static void
-+regtail(struct match_globals *g, char *p, char *val)
-+{
-+ register char *scan;
-+ register char *temp;
-+ register int offset;
-+
-+ if (p == &g->regdummy)
-+ return;
-+
-+ /* Find last node. */
-+ scan = p;
-+ for (;;) {
-+ temp = regnext(g, scan);
-+ if (temp == NULL)
-+ break;
-+ scan = temp;
-+ }
-+
-+ if (OP(scan) == BACK)
-+ offset = scan - val;
-+ else
-+ offset = val - scan;
-+ *(scan+1) = (offset>>8)&0377;
-+ *(scan+2) = offset&0377;
-+}
-+
-+/*
-+ - regoptail - regtail on operand of first argument; nop if operandless
-+ */
-+static void
-+regoptail(struct match_globals *g, char *p, char *val)
-+{
-+ /* "Operandless" and "op != BRANCH" are synonymous in practice. */
-+ if (p == NULL || p == &g->regdummy || OP(p) != BRANCH)
-+ return;
-+ regtail(g, OPERAND(p), val);
-+}
-+
-+/*
-+ * regexec and friends
-+ */
-+
-+
-+/*
-+ * Forwards.
-+ */
-+STATIC int regtry(struct match_globals *g, regexp *prog, char *string);
-+STATIC int regmatch(struct match_globals *g, char *prog);
-+STATIC int regrepeat(struct match_globals *g, char *p);
-+
-+#ifdef DEBUG
-+int regnarrate = 0;
-+void regdump();
-+STATIC char *regprop(char *op);
-+#endif
-+
-+/*
-+ - regexec - match a regexp against a string
-+ */
-+int
-+regexec(regexp *prog, char *string)
-+{
-+ register char *s;
-+ struct match_globals g;
-+
-+ /* Be paranoid... */
-+ if (prog == NULL || string == NULL) {
-+ printk("<3>Regexp: NULL parameter\n");
-+ return(0);
-+ }
-+
-+ /* Check validity of program. */
-+ if (UCHARAT(prog->program) != MAGIC) {
-+ printk("<3>Regexp: corrupted program\n");
-+ return(0);
-+ }
-+
-+ /* If there is a "must appear" string, look for it. */
-+ if (prog->regmust != NULL) {
-+ s = string;
-+ while ((s = strchr(s, prog->regmust[0])) != NULL) {
-+ if (strncmp(s, prog->regmust, prog->regmlen) == 0)
-+ break; /* Found it. */
-+ s++;
-+ }
-+ if (s == NULL) /* Not present. */
-+ return(0);
-+ }
-+
-+ /* Mark beginning of line for ^ . */
-+ g.regbol = string;
-+
-+ /* Simplest case: anchored match need be tried only once. */
-+ if (prog->reganch)
-+ return(regtry(&g, prog, string));
-+
-+ /* Messy cases: unanchored match. */
-+ s = string;
-+ if (prog->regstart != '\0')
-+ /* We know what char it must start with. */
-+ while ((s = strchr(s, prog->regstart)) != NULL) {
-+ if (regtry(&g, prog, s))
-+ return(1);
-+ s++;
-+ }
-+ else
-+ /* We don't -- general case. */
-+ do {
-+ if (regtry(&g, prog, s))
-+ return(1);
-+ } while (*s++ != '\0');
-+
-+ /* Failure. */
-+ return(0);
-+}
-+
-+/*
-+ - regtry - try match at specific point
-+ */
-+static int /* 0 failure, 1 success */
-+regtry(struct match_globals *g, regexp *prog, char *string)
-+{
-+ register int i;
-+ register char **sp;
-+ register char **ep;
-+
-+ g->reginput = string;
-+ g->regstartp = prog->startp;
-+ g->regendp = prog->endp;
-+
-+ sp = prog->startp;
-+ ep = prog->endp;
-+ for (i = NSUBEXP; i > 0; i--) {
-+ *sp++ = NULL;
-+ *ep++ = NULL;
-+ }
-+ if (regmatch(g, prog->program + 1)) {
-+ prog->startp[0] = string;
-+ prog->endp[0] = g->reginput;
-+ return(1);
-+ } else
-+ return(0);
-+}
-+
-+/*
-+ - regmatch - main matching routine
-+ *
-+ * Conceptually the strategy is simple: check to see whether the current
-+ * node matches, call self recursively to see whether the rest matches,
-+ * and then act accordingly. In practice we make some effort to avoid
-+ * recursion, in particular by going through "ordinary" nodes (that don't
-+ * need to know whether the rest of the match failed) by a loop instead of
-+ * by recursion.
-+ */
-+static int /* 0 failure, 1 success */
-+regmatch(struct match_globals *g, char *prog)
-+{
-+ register char *scan = prog; /* Current node. */
-+ char *next; /* Next node. */
-+
-+#ifdef DEBUG
-+ if (scan != NULL && regnarrate)
-+ fprintf(stderr, "%s(\n", regprop(scan));
-+#endif
-+ while (scan != NULL) {
-+#ifdef DEBUG
-+ if (regnarrate)
-+ fprintf(stderr, "%s...\n", regprop(scan));
-+#endif
-+ next = regnext(g, scan);
-+
-+ switch (OP(scan)) {
-+ case BOL:
-+ if (g->reginput != g->regbol)
-+ return(0);
-+ break;
-+ case EOL:
-+ if (*g->reginput != '\0')
-+ return(0);
-+ break;
-+ case ANY:
-+ if (*g->reginput == '\0')
-+ return(0);
-+ g->reginput++;
-+ break;
-+ case EXACTLY: {
-+ register int len;
-+ register char *opnd;
-+
-+ opnd = OPERAND(scan);
-+ /* Inline the first character, for speed. */
-+ if (*opnd != *g->reginput)
-+ return(0);
-+ len = strlen(opnd);
-+ if (len > 1 && strncmp(opnd, g->reginput, len) != 0)
-+ return(0);
-+ g->reginput += len;
-+ }
-+ break;
-+ case ANYOF:
-+ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) == NULL)
-+ return(0);
-+ g->reginput++;
-+ break;
-+ case ANYBUT:
-+ if (*g->reginput == '\0' || strchr(OPERAND(scan), *g->reginput) != NULL)
-+ return(0);
-+ g->reginput++;
-+ break;
-+ case NOTHING:
-+ case BACK:
-+ break;
-+ case OPEN+1:
-+ case OPEN+2:
-+ case OPEN+3:
-+ case OPEN+4:
-+ case OPEN+5:
-+ case OPEN+6:
-+ case OPEN+7:
-+ case OPEN+8:
-+ case OPEN+9: {
-+ register int no;
-+ register char *save;
-+
-+ no = OP(scan) - OPEN;
-+ save = g->reginput;
-+
-+ if (regmatch(g, next)) {
-+ /*
-+ * Don't set startp if some later
-+ * invocation of the same parentheses
-+ * already has.
-+ */
-+ if (g->regstartp[no] == NULL)
-+ g->regstartp[no] = save;
-+ return(1);
-+ } else
-+ return(0);
-+ }
-+ break;
-+ case CLOSE+1:
-+ case CLOSE+2:
-+ case CLOSE+3:
-+ case CLOSE+4:
-+ case CLOSE+5:
-+ case CLOSE+6:
-+ case CLOSE+7:
-+ case CLOSE+8:
-+ case CLOSE+9:
-+ {
-+ register int no;
-+ register char *save;
-+
-+ no = OP(scan) - CLOSE;
-+ save = g->reginput;
-+
-+ if (regmatch(g, next)) {
-+ /*
-+ * Don't set endp if some later
-+ * invocation of the same parentheses
-+ * already has.
-+ */
-+ if (g->regendp[no] == NULL)
-+ g->regendp[no] = save;
-+ return(1);
-+ } else
-+ return(0);
-+ }
-+ break;
-+ case BRANCH: {
-+ register char *save;
-+
-+ if (OP(next) != BRANCH) /* No choice. */
-+ next = OPERAND(scan); /* Avoid recursion. */
-+ else {
-+ do {
-+ save = g->reginput;
-+ if (regmatch(g, OPERAND(scan)))
-+ return(1);
-+ g->reginput = save;
-+ scan = regnext(g, scan);
-+ } while (scan != NULL && OP(scan) == BRANCH);
-+ return(0);
-+ /* NOTREACHED */
-+ }
-+ }
-+ break;
-+ case STAR:
-+ case PLUS: {
-+ register char nextch;
-+ register int no;
-+ register char *save;
-+ register int min;
-+
-+ /*
-+ * Lookahead to avoid useless match attempts
-+ * when we know what character comes next.
-+ */
-+ nextch = '\0';
-+ if (OP(next) == EXACTLY)
-+ nextch = *OPERAND(next);
-+ min = (OP(scan) == STAR) ? 0 : 1;
-+ save = g->reginput;
-+ no = regrepeat(g, OPERAND(scan));
-+ while (no >= min) {
-+ /* If it could work, try it. */
-+ if (nextch == '\0' || *g->reginput == nextch)
-+ if (regmatch(g, next))
-+ return(1);
-+ /* Couldn't or didn't -- back up. */
-+ no--;
-+ g->reginput = save + no;
-+ }
-+ return(0);
-+ }
-+ break;
-+ case END:
-+ return(1); /* Success! */
-+ break;
-+ default:
-+ printk("<3>Regexp: memory corruption\n");
-+ return(0);
-+ break;
-+ }
-+
-+ scan = next;
-+ }
-+
-+ /*
-+ * We get here only if there's trouble -- normally "case END" is
-+ * the terminating point.
-+ */
-+ printk("<3>Regexp: corrupted pointers\n");
-+ return(0);
-+}
-+
-+/*
-+ - regrepeat - repeatedly match something simple, report how many
-+ */
-+static int
-+regrepeat(struct match_globals *g, char *p)
-+{
-+ register int count = 0;
-+ register char *scan;
-+ register char *opnd;
-+
-+ scan = g->reginput;
-+ opnd = OPERAND(p);
-+ switch (OP(p)) {
-+ case ANY:
-+ count = strlen(scan);
-+ scan += count;
-+ break;
-+ case EXACTLY:
-+ while (*opnd == *scan) {
-+ count++;
-+ scan++;
-+ }
-+ break;
-+ case ANYOF:
-+ while (*scan != '\0' && strchr(opnd, *scan) != NULL) {
-+ count++;
-+ scan++;
-+ }
-+ break;
-+ case ANYBUT:
-+ while (*scan != '\0' && strchr(opnd, *scan) == NULL) {
-+ count++;
-+ scan++;
-+ }
-+ break;
-+ default: /* Oh dear. Called inappropriately. */
-+ printk("<3>Regexp: internal foulup\n");
-+ count = 0; /* Best compromise. */
-+ break;
-+ }
-+ g->reginput = scan;
-+
-+ return(count);
-+}
-+
-+/*
-+ - regnext - dig the "next" pointer out of a node
-+ */
-+static char*
-+regnext(struct match_globals *g, char *p)
-+{
-+ register int offset;
-+
-+ if (p == &g->regdummy)
-+ return(NULL);
-+
-+ offset = NEXT(p);
-+ if (offset == 0)
-+ return(NULL);
-+
-+ if (OP(p) == BACK)
-+ return(p-offset);
-+ else
-+ return(p+offset);
-+}
-+
-+#ifdef DEBUG
-+
-+STATIC char *regprop();
-+
-+/*
-+ - regdump - dump a regexp onto stdout in vaguely comprehensible form
-+ */
-+void
-+regdump(regexp *r)
-+{
-+ register char *s;
-+ register char op = EXACTLY; /* Arbitrary non-END op. */
-+ register char *next;
-+ /* extern char *strchr(); */
-+
-+
-+ s = r->program + 1;
-+ while (op != END) { /* While that wasn't END last time... */
-+ op = OP(s);
-+ printf("%2d%s", s-r->program, regprop(s)); /* Where, what. */
-+ next = regnext(s);
-+ if (next == NULL) /* Next ptr. */
-+ printf("(0)");
-+ else
-+ printf("(%d)", (s-r->program)+(next-s));
-+ s += 3;
-+ if (op == ANYOF || op == ANYBUT || op == EXACTLY) {
-+ /* Literal string, where present. */
-+ while (*s != '\0') {
-+ putchar(*s);
-+ s++;
-+ }
-+ s++;
-+ }
-+ putchar('\n');
-+ }
-+
-+ /* Header fields of interest. */
-+ if (r->regstart != '\0')
-+ printf("start `%c' ", r->regstart);
-+ if (r->reganch)
-+ printf("anchored ");
-+ if (r->regmust != NULL)
-+ printf("must have \"%s\"", r->regmust);
-+ printf("\n");
-+}
-+
-+/*
-+ - regprop - printable representation of opcode
-+ */
-+static char *
-+regprop(char *op)
-+{
-+#define BUFLEN 50
-+ register char *p;
-+ static char buf[BUFLEN];
-+
-+ strcpy(buf, ":");
-+
-+ switch (OP(op)) {
-+ case BOL:
-+ p = "BOL";
-+ break;
-+ case EOL:
-+ p = "EOL";
-+ break;
-+ case ANY:
-+ p = "ANY";
-+ break;
-+ case ANYOF:
-+ p = "ANYOF";
-+ break;
-+ case ANYBUT:
-+ p = "ANYBUT";
-+ break;
-+ case BRANCH:
-+ p = "BRANCH";
-+ break;
-+ case EXACTLY:
-+ p = "EXACTLY";
-+ break;
-+ case NOTHING:
-+ p = "NOTHING";
-+ break;
-+ case BACK:
-+ p = "BACK";
-+ break;
-+ case END:
-+ p = "END";
-+ break;
-+ case OPEN+1:
-+ case OPEN+2:
-+ case OPEN+3:
-+ case OPEN+4:
-+ case OPEN+5:
-+ case OPEN+6:
-+ case OPEN+7:
-+ case OPEN+8:
-+ case OPEN+9:
-+ snprintf(buf+strlen(buf),BUFLEN-strlen(buf), "OPEN%d", OP(op)-OPEN);
-+ p = NULL;
-+ break;
-+ case CLOSE+1:
-+ case CLOSE+2:
-+ case CLOSE+3:
-+ case CLOSE+4:
-+ case CLOSE+5:
-+ case CLOSE+6:
-+ case CLOSE+7:
-+ case CLOSE+8:
-+ case CLOSE+9:
-+ snprintf(buf+strlen(buf),BUFLEN-strlen(buf), "CLOSE%d", OP(op)-CLOSE);
-+ p = NULL;
-+ break;
-+ case STAR:
-+ p = "STAR";
-+ break;
-+ case PLUS:
-+ p = "PLUS";
-+ break;
-+ default:
-+ printk("<3>Regexp: corrupted opcode\n");
-+ break;
-+ }
-+ if (p != NULL)
-+ strncat(buf, p, BUFLEN-strlen(buf));
-+ return(buf);
-+}
-+#endif
-+
-+
---- /dev/null
-+++ b/net/netfilter/regexp/regexp.h
-@@ -0,0 +1,41 @@
-+/*
-+ * Definitions etc. for regexp(3) routines.
-+ *
-+ * Caveat: this is V8 regexp(3) [actually, a reimplementation thereof],
-+ * not the System V one.
-+ */
-+
-+#ifndef REGEXP_H
-+#define REGEXP_H
-+
-+
-+/*
-+http://www.opensource.apple.com/darwinsource/10.3/expect-1/expect/expect.h ,
-+which contains a version of this library, says:
-+
-+ *
-+ * NSUBEXP must be at least 10, and no greater than 117 or the parser
-+ * will not work properly.
-+ *
-+
-+However, it looks rather like this library is limited to 10. If you think
-+otherwise, let us know.
-+*/
-+
-+#define NSUBEXP 10
-+typedef struct regexp {
-+ char *startp[NSUBEXP];
-+ char *endp[NSUBEXP];
-+ char regstart; /* Internal use only. */
-+ char reganch; /* Internal use only. */
-+ char *regmust; /* Internal use only. */
-+ int regmlen; /* Internal use only. */
-+ char program[1]; /* Unwarranted chumminess with compiler. */
-+} regexp;
-+
-+regexp * regcomp(char *exp, int *patternsize);
-+int regexec(regexp *prog, char *string);
-+void regsub(regexp *prog, char *source, char *dest);
-+void regerror(char *s);
-+
-+#endif
---- /dev/null
-+++ b/net/netfilter/regexp/regmagic.h
-@@ -0,0 +1,5 @@
-+/*
-+ * The first byte of the regexp internal "program" is actually this magic
-+ * number; the start node begins in the second byte.
-+ */
-+#define MAGIC 0234
---- /dev/null
-+++ b/net/netfilter/regexp/regsub.c
-@@ -0,0 +1,95 @@
-+/*
-+ * regsub
-+ * @(#)regsub.c 1.3 of 2 April 86
-+ *
-+ * Copyright (c) 1986 by University of Toronto.
-+ * Written by Henry Spencer. Not derived from licensed software.
-+ *
-+ * Permission is granted to anyone to use this software for any
-+ * purpose on any computer system, and to redistribute it freely,
-+ * subject to the following restrictions:
-+ *
-+ * 1. The author is not responsible for the consequences of use of
-+ * this software, no matter how awful, even if they arise
-+ * from defects in it.
-+ *
-+ * 2. The origin of this software must not be misrepresented, either
-+ * by explicit claim or by omission.
-+ *
-+ * 3. Altered versions must be plainly marked as such, and must not
-+ * be misrepresented as being the original software.
-+ *
-+ *
-+ * This code was modified by Ethan Sommer to work within the kernel
-+ * (it now uses kmalloc etc..)
-+ *
-+ */
-+#include "regexp.h"
-+#include "regmagic.h"
-+#include <linux/string.h>
-+
-+
-+#ifndef CHARBITS
-+#define UCHARAT(p) ((int)*(unsigned char *)(p))
-+#else
-+#define UCHARAT(p) ((int)*(p)&CHARBITS)
-+#endif
-+
-+#if 0
-+//void regerror(char * s)
-+//{
-+// printk("regexp(3): %s", s);
-+// /* NOTREACHED */
-+//}
-+#endif
-+
-+/*
-+ - regsub - perform substitutions after a regexp match
-+ */
-+void
-+regsub(regexp * prog, char * source, char * dest)
-+{
-+ register char *src;
-+ register char *dst;
-+ register char c;
-+ register int no;
-+ register int len;
-+
-+ /* Not necessary and gcc doesn't like it -MLS */
-+ /*extern char *strncpy();*/
-+
-+ if (prog == NULL || source == NULL || dest == NULL) {
-+ regerror("NULL parm to regsub");
-+ return;
-+ }
-+ if (UCHARAT(prog->program) != MAGIC) {
-+ regerror("damaged regexp fed to regsub");
-+ return;
-+ }
-+
-+ src = source;
-+ dst = dest;
-+ while ((c = *src++) != '\0') {
-+ if (c == '&')
-+ no = 0;
-+ else if (c == '\\' && '0' <= *src && *src <= '9')
-+ no = *src++ - '0';
-+ else
-+ no = -1;
-+
-+ if (no < 0) { /* Ordinary character. */
-+ if (c == '\\' && (*src == '\\' || *src == '&'))
-+ c = *src++;
-+ *dst++ = c;
-+ } else if (prog->startp[no] != NULL && prog->endp[no] != NULL) {
-+ len = prog->endp[no] - prog->startp[no];
-+ (void) strncpy(dst, prog->startp[no], len);
-+ dst += len;
-+ if (len != 0 && *(dst-1) == '\0') { /* strncpy hit NUL. */
-+ regerror("damaged match string");
-+ return;
-+ }
-+ }
-+ }
-+ *dst++ = '\0';
-+}
---- a/net/netfilter/nf_conntrack_core.c
-+++ b/net/netfilter/nf_conntrack_core.c
-@@ -330,6 +330,14 @@
- * too. */
- nf_ct_remove_expectations(ct);
-
-+ #if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || defined(CONFIG_NETFILTER_XT_MATCH_LAYER7_MODULE)
-+ if(ct->layer7.app_proto)
-+ kfree(ct->layer7.app_proto);
-+ if(ct->layer7.app_data)
-+ kfree(ct->layer7.app_data);
-+ #endif
-+
-+
- /* We overload first tuple to link into unconfirmed list. */
- if (!nf_ct_is_confirmed(ct)) {
- BUG_ON(list_empty(&ct->tuplehash[IP_CT_DIR_ORIGINAL].list));
---- a/net/netfilter/nf_conntrack_standalone.c
-+++ b/net/netfilter/nf_conntrack_standalone.c
-@@ -184,7 +184,12 @@
- return -ENOSPC;
- #endif
-
-- if (seq_printf(s, "use=%u\n", atomic_read(&conntrack->ct_general.use)))
-+#if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || defined(CONFIG_NETFILTER_XT_MATCH_LAYER7_MODULE)
-+ if(conntrack->layer7.app_proto)
-+ if(seq_printf(s, "l7proto=%s ", conntrack->layer7.app_proto))
-+ return -ENOSPC;
-+#endif
-+ if (seq_printf(s, "asdfuse=%u\n", atomic_read(&conntrack->ct_general.use)))
- return -ENOSPC;
-
- return 0;
---- a/include/net/netfilter/nf_conntrack.h
-+++ b/include/net/netfilter/nf_conntrack.h
-@@ -128,6 +128,22 @@
- u_int32_t secmark;
- #endif
-
-+#if defined(CONFIG_NETFILTER_XT_MATCH_LAYER7) || \
-+ defined(CONFIG_NETFILTER_XT_MATCH_LAYER7_MODULE)
-+ struct {
-+ /*
-+ * e.g. "http". NULL before decision. "unknown" after decision
-+ * if no match.
-+ */
-+ char *app_proto;
-+ /*
-+ * application layer data so far. NULL after match decision.
-+ */
-+ char *app_data;
-+ unsigned int app_data_len;
-+ } layer7;
-+#endif
-+
- /* Storage reserved for other modules: */
- union nf_conntrack_proto proto;
-
---- /dev/null
-+++ b/include/linux/netfilter/xt_layer7.h
-@@ -0,0 +1,13 @@
-+#ifndef _XT_LAYER7_H
-+#define _XT_LAYER7_H
-+
-+#define MAX_PATTERN_LEN 8192
-+#define MAX_PROTOCOL_LEN 256
-+
-+struct xt_layer7_info {
-+ char protocol[MAX_PROTOCOL_LEN];
-+ char pattern[MAX_PATTERN_LEN];
-+ u_int8_t invert;
-+};
-+
-+#endif /* _XT_LAYER7_H */
+++ /dev/null
---- a/include/linux/netfilter/xt_layer7.h
-+++ b/include/linux/netfilter/xt_layer7.h
-@@ -8,6 +8,7 @@
- char protocol[MAX_PROTOCOL_LEN];
- char pattern[MAX_PATTERN_LEN];
- u_int8_t invert;
-+ u_int8_t pkt;
- };
-
- #endif /* _XT_LAYER7_H */
---- a/net/netfilter/xt_layer7.c
-+++ b/net/netfilter/xt_layer7.c
-@@ -297,34 +297,36 @@
- }
-
- /* add the new app data to the conntrack. Return number of bytes added. */
--static int add_data(struct nf_conn * master_conntrack,
-- char * app_data, int appdatalen)
-+static int add_datastr(char *target, int offset, char *app_data, int len)
- {
- int length = 0, i;
-- int oldlength = master_conntrack->layer7.app_data_len;
--
-- /* This is a fix for a race condition by Deti Fliegl. However, I'm not
-- clear on whether the race condition exists or whether this really
-- fixes it. I might just be being dense... Anyway, if it's not really
-- a fix, all it does is waste a very small amount of time. */
-- if(!master_conntrack->layer7.app_data) return 0;
-+
-+ if (!target) return 0;
-
- /* Strip nulls. Make everything lower case (our regex lib doesn't
- do case insensitivity). Add it to the end of the current data. */
-- for(i = 0; i < maxdatalen-oldlength-1 &&
-- i < appdatalen; i++) {
-+ for(i = 0; i < maxdatalen-offset-1 && i < len; i++) {
- if(app_data[i] != '\0') {
- /* the kernel version of tolower mungs 'upper ascii' */
-- master_conntrack->layer7.app_data[length+oldlength] =
-+ target[length+offset] =
- isascii(app_data[i])?
- tolower(app_data[i]) : app_data[i];
- length++;
- }
- }
-+ target[length+offset] = '\0';
-+
-+ return length;
-+}
-
-- master_conntrack->layer7.app_data[length+oldlength] = '\0';
-- master_conntrack->layer7.app_data_len = length + oldlength;
-+/* add the new app data to the conntrack. Return number of bytes added. */
-+static int add_data(struct nf_conn * master_conntrack,
-+ char * app_data, int appdatalen)
-+{
-+ int length;
-
-+ length = add_datastr(master_conntrack->layer7.app_data, master_conntrack->layer7.app_data_len, app_data, appdatalen);
-+ master_conntrack->layer7.app_data_len += length;
- return length;
- }
-
-@@ -411,7 +413,7 @@
- const struct xt_layer7_info * info = matchinfo;
- enum ip_conntrack_info master_ctinfo, ctinfo;
- struct nf_conn *master_conntrack, *conntrack;
-- unsigned char * app_data;
-+ unsigned char *app_data, *tmp_data;
- unsigned int pattern_result, appdatalen;
- regexp * comppattern;
-
-@@ -439,8 +441,8 @@
- master_conntrack = master_ct(master_conntrack);
-
- /* if we've classified it or seen too many packets */
-- if(TOTAL_PACKETS > num_packets ||
-- master_conntrack->layer7.app_proto) {
-+ if(!info->pkt && (TOTAL_PACKETS > num_packets ||
-+ master_conntrack->layer7.app_proto)) {
-
- pattern_result = match_no_append(conntrack, master_conntrack,
- ctinfo, master_ctinfo, info);
-@@ -473,6 +475,25 @@
- /* the return value gets checked later, when we're ready to use it */
- comppattern = compile_and_cache(info->pattern, info->protocol);
-
-+ if (info->pkt) {
-+ tmp_data = kmalloc(maxdatalen, GFP_ATOMIC);
-+ if(!tmp_data){
-+ if (net_ratelimit())
-+ printk(KERN_ERR "layer7: out of memory in match, bailing.\n");
-+ return info->invert;
-+ }
-+
-+ tmp_data[0] = '\0';
-+ add_datastr(tmp_data, 0, app_data, appdatalen);
-+ pattern_result = ((comppattern && regexec(comppattern, tmp_data)) ? 1 : 0);
-+
-+ kfree(tmp_data);
-+ tmp_data = NULL;
-+ spin_unlock_bh(&l7_lock);
-+
-+ return (pattern_result ^ info->invert);
-+ }
-+
- /* On the first packet of a connection, allocate space for app data */
- if(TOTAL_PACKETS == 1 && !skb->cb[0] &&
- !master_conntrack->layer7.app_data){
+++ /dev/null
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_ipp2p.h
-@@ -0,0 +1,31 @@
-+#ifndef __IPT_IPP2P_H
-+#define __IPT_IPP2P_H
-+#define IPP2P_VERSION "0.8.1_rc1"
-+
-+struct ipt_p2p_info {
-+ int cmd;
-+ int debug;
-+};
-+
-+#endif //__IPT_IPP2P_H
-+
-+#define SHORT_HAND_IPP2P 1 /* --ipp2p switch*/
-+//#define SHORT_HAND_DATA 4 /* --ipp2p-data switch*/
-+#define SHORT_HAND_NONE 5 /* no short hand*/
-+
-+#define IPP2P_EDK (1 << 1)
-+#define IPP2P_DATA_KAZAA (1 << 2)
-+#define IPP2P_DATA_EDK (1 << 3)
-+#define IPP2P_DATA_DC (1 << 4)
-+#define IPP2P_DC (1 << 5)
-+#define IPP2P_DATA_GNU (1 << 6)
-+#define IPP2P_GNU (1 << 7)
-+#define IPP2P_KAZAA (1 << 8)
-+#define IPP2P_BIT (1 << 9)
-+#define IPP2P_APPLE (1 << 10)
-+#define IPP2P_SOUL (1 << 11)
-+#define IPP2P_WINMX (1 << 12)
-+#define IPP2P_ARES (1 << 13)
-+#define IPP2P_MUTE (1 << 14)
-+#define IPP2P_WASTE (1 << 15)
-+#define IPP2P_XDCC (1 << 16)
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_ipp2p.c
-@@ -0,0 +1,882 @@
-+#if defined(MODVERSIONS)
-+#include <linux/modversions.h>
-+#endif
-+#include <linux/module.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/version.h>
-+#include <linux/netfilter_ipv4/ipt_ipp2p.h>
-+#include <net/tcp.h>
-+#include <net/udp.h>
-+
-+#define get_u8(X,O) (*(__u8 *)(X + O))
-+#define get_u16(X,O) (*(__u16 *)(X + O))
-+#define get_u32(X,O) (*(__u32 *)(X + O))
-+
-+MODULE_AUTHOR("Eicke Friedrich/Klaus Degner <ipp2p@ipp2p.org>");
-+MODULE_DESCRIPTION("An extension to iptables to identify P2P traffic.");
-+MODULE_LICENSE("GPL");
-+
-+
-+/*Search for UDP eDonkey/eMule/Kad commands*/
-+int
-+udp_search_edk (unsigned char *haystack, int packet_len)
-+{
-+ unsigned char *t = haystack;
-+ t += 8;
-+
-+ switch (t[0]) {
-+ case 0xe3:
-+ { /*edonkey*/
-+ switch (t[1])
-+ {
-+ /* client -> server status request */
-+ case 0x96:
-+ if (packet_len == 14) return ((IPP2P_EDK * 100) + 50);
-+ break;
-+ /* server -> client status request */
-+ case 0x97: if (packet_len == 42) return ((IPP2P_EDK * 100) + 51);
-+ break;
-+ /* server description request */
-+ /* e3 2a ff f0 .. | size == 6 */
-+ case 0xa2: if ( (packet_len == 14) && ( get_u16(t,2) == __constant_htons(0xfff0) ) ) return ((IPP2P_EDK * 100) + 52);
-+ break;
-+ /* server description response */
-+ /* e3 a3 ff f0 .. | size > 40 && size < 200 */
-+ //case 0xa3: return ((IPP2P_EDK * 100) + 53);
-+ // break;
-+ case 0x9a: if (packet_len==26) return ((IPP2P_EDK * 100) + 54);
-+ break;
-+
-+ case 0x92: if (packet_len==18) return ((IPP2P_EDK * 100) + 55);
-+ break;
-+ }
-+ break;
-+ }
-+ case 0xe4:
-+ {
-+ switch (t[1])
-+ {
-+ /* e4 20 .. | size == 43 */
-+ case 0x20: if ((packet_len == 43) && (t[2] != 0x00) && (t[34] != 0x00)) return ((IPP2P_EDK * 100) + 60);
-+ break;
-+ /* e4 00 .. 00 | size == 35 ? */
-+ case 0x00: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 61);
-+ break;
-+ /* e4 10 .. 00 | size == 35 ? */
-+ case 0x10: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 62);
-+ break;
-+ /* e4 18 .. 00 | size == 35 ? */
-+ case 0x18: if ((packet_len == 35) && (t[26] == 0x00)) return ((IPP2P_EDK * 100) + 63);
-+ break;
-+ /* e4 52 .. | size = 44 */
-+ case 0x52: if (packet_len == 44 ) return ((IPP2P_EDK * 100) + 64);
-+ break;
-+ /* e4 58 .. | size == 6 */
-+ case 0x58: if (packet_len == 14 ) return ((IPP2P_EDK * 100) + 65);
-+ break;
-+ /* e4 59 .. | size == 2 */
-+ case 0x59: if (packet_len == 10 )return ((IPP2P_EDK * 100) + 66);
-+ break;
-+ /* e4 28 .. | packet_len == 52,77,102,127... */
-+ case 0x28: if (((packet_len-52) % 25) == 0) return ((IPP2P_EDK * 100) + 67);
-+ break;
-+ /* e4 50 xx xx | size == 4 */
-+ case 0x50: if (packet_len == 12) return ((IPP2P_EDK * 100) + 68);
-+ break;
-+ /* e4 40 xx xx | size == 48 */
-+ case 0x40: if (packet_len == 56) return ((IPP2P_EDK * 100) + 69);
-+ break;
-+ }
-+ break;
-+ }
-+ } /* end of switch (t[0]) */
-+ return 0;
-+}/*udp_search_edk*/
-+
-+
-+/*Search for UDP Gnutella commands*/
-+int
-+udp_search_gnu (unsigned char *haystack, int packet_len)
-+{
-+ unsigned char *t = haystack;
-+ t += 8;
-+
-+ if (memcmp(t, "GND", 3) == 0) return ((IPP2P_GNU * 100) + 51);
-+ if (memcmp(t, "GNUTELLA ", 9) == 0) return ((IPP2P_GNU * 100) + 52);
-+ return 0;
-+}/*udp_search_gnu*/
-+
-+
-+/*Search for UDP KaZaA commands*/
-+int
-+udp_search_kazaa (unsigned char *haystack, int packet_len)
-+{
-+ unsigned char *t = haystack;
-+
-+ if (t[packet_len-1] == 0x00){
-+ t += (packet_len - 6);
-+ if (memcmp(t, "KaZaA", 5) == 0) return (IPP2P_KAZAA * 100 +50);
-+ }
-+
-+ return 0;
-+}/*udp_search_kazaa*/
-+
-+/*Search for UDP DirectConnect commands*/
-+int
-+udp_search_directconnect (unsigned char *haystack, int packet_len)
-+{
-+ unsigned char *t = haystack;
-+ if ((*(t + 8) == 0x24) && (*(t + packet_len - 1) == 0x7c)) {
-+ t+=8;
-+ if (memcmp(t, "SR ", 3) == 0) return ((IPP2P_DC * 100) + 60);
-+ if (memcmp(t, "Ping ", 5) == 0) return ((IPP2P_DC * 100) + 61);
-+ }
-+ return 0;
-+}/*udp_search_directconnect*/
-+
-+
-+
-+/*Search for UDP BitTorrent commands*/
-+int
-+udp_search_bit (unsigned char *haystack, int packet_len)
-+{
-+ switch(packet_len)
-+ {
-+ case 24:
-+ /* ^ 00 00 04 17 27 10 19 80 */
-+ if ((ntohl(get_u32(haystack, 8)) == 0x00000417) && (ntohl(get_u32(haystack, 12)) == 0x27101980))
-+ return (IPP2P_BIT * 100 + 50);
-+ break;
-+ case 44:
-+ if (get_u32(haystack, 16) == __constant_htonl(0x00000400) && get_u32(haystack, 36) == __constant_htonl(0x00000104))
-+ return (IPP2P_BIT * 100 + 51);
-+ if (get_u32(haystack, 16) == __constant_htonl(0x00000400))
-+ return (IPP2P_BIT * 100 + 61);
-+ break;
-+ case 65:
-+ if (get_u32(haystack, 16) == __constant_htonl(0x00000404) && get_u32(haystack, 36) == __constant_htonl(0x00000104))
-+ return (IPP2P_BIT * 100 + 52);
-+ if (get_u32(haystack, 16) == __constant_htonl(0x00000404))
-+ return (IPP2P_BIT * 100 + 62);
-+ break;
-+ case 67:
-+ if (get_u32(haystack, 16) == __constant_htonl(0x00000406) && get_u32(haystack, 36) == __constant_htonl(0x00000104))
-+ return (IPP2P_BIT * 100 + 53);
-+ if (get_u32(haystack, 16) == __constant_htonl(0x00000406))
-+ return (IPP2P_BIT * 100 + 63);
-+ break;
-+ case 211:
-+ if (get_u32(haystack, 8) == __constant_htonl(0x00000405))
-+ return (IPP2P_BIT * 100 + 54);
-+ break;
-+ case 29:
-+ if ((get_u32(haystack, 8) == __constant_htonl(0x00000401)))
-+ return (IPP2P_BIT * 100 + 55);
-+ break;
-+ case 52:
-+ if (get_u32(haystack,8) == __constant_htonl(0x00000827) &&
-+ get_u32(haystack,12) == __constant_htonl(0x37502950))
-+ return (IPP2P_BIT * 100 + 80);
-+ break;
-+ default:
-+ /* this packet does not have a constant size */
-+ if (packet_len >= 40 && get_u32(haystack, 16) == __constant_htonl(0x00000402) && get_u32(haystack, 36) == __constant_htonl(0x00000104))
-+ return (IPP2P_BIT * 100 + 56);
-+ break;
-+ }
-+
-+ /* some extra-bitcomet rules:
-+ * "d1:" [a|r] "d2:id20:"
-+ */
-+ if (packet_len > 30 && get_u8(haystack, 8) == 'd' && get_u8(haystack, 9) == '1' && get_u8(haystack, 10) == ':' )
-+ {
-+ if (get_u8(haystack, 11) == 'a' || get_u8(haystack, 11) == 'r')
-+ {
-+ if (memcmp(haystack+12,"d2:id20:",8)==0)
-+ return (IPP2P_BIT * 100 + 57);
-+ }
-+ }
-+
-+#if 0
-+ /* bitlord rules */
-+ /* packetlen must be bigger than 40 */
-+ /* first 4 bytes are zero */
-+ if (packet_len > 40 && get_u32(haystack, 8) == 0x00000000)
-+ {
-+ /* first rule: 00 00 00 00 01 00 00 xx xx xx xx 00 00 00 00*/
-+ if (get_u32(haystack, 12) == 0x00000000 &&
-+ get_u32(haystack, 16) == 0x00010000 &&
-+ get_u32(haystack, 24) == 0x00000000 )
-+ return (IPP2P_BIT * 100 + 71);
-+
-+ /* 00 01 00 00 0d 00 00 xx xx xx xx 00 00 00 00*/
-+ if (get_u32(haystack, 12) == 0x00000001 &&
-+ get_u32(haystack, 16) == 0x000d0000 &&
-+ get_u32(haystack, 24) == 0x00000000 )
-+ return (IPP2P_BIT * 100 + 71);
-+
-+
-+ }
-+#endif
-+
-+ return 0;
-+}/*udp_search_bit*/
-+
-+
-+
-+/*Search for Ares commands*/
-+//#define IPP2P_DEBUG_ARES
-+int
-+search_ares (const unsigned char *payload, const u16 plen)
-+//int search_ares (unsigned char *haystack, int packet_len, int head_len)
-+{
-+// const unsigned char *t = haystack + head_len;
-+
-+ /* all ares packets start with */
-+ if (payload[1] == 0 && (plen - payload[0]) == 3)
-+ {
-+ switch (payload[2])
-+ {
-+ case 0x5a:
-+ /* ares connect */
-+ if ( plen == 6 && payload[5] == 0x05 ) return ((IPP2P_ARES * 100) + 1);
-+ break;
-+ case 0x09:
-+ /* ares search, min 3 chars --> 14 bytes
-+ * lets define a search can be up to 30 chars --> max 34 bytes
-+ */
-+ if ( plen >= 14 && plen <= 34 ) return ((IPP2P_ARES * 100) + 1);
-+ break;
-+#ifdef IPP2P_DEBUG_ARES
-+ default:
-+ printk(KERN_DEBUG "Unknown Ares command %x recognized, len: %u \n", (unsigned int) payload[2],plen);
-+#endif /* IPP2P_DEBUG_ARES */
-+ }
-+ }
-+
-+#if 0
-+ /* found connect packet: 03 00 5a 04 03 05 */
-+ /* new version ares 1.8: 03 00 5a xx xx 05 */
-+ if ((plen) == 6){ /* possible connect command*/
-+ if ((payload[0] == 0x03) && (payload[1] == 0x00) && (payload[2] == 0x5a) && (payload[5] == 0x05))
-+ return ((IPP2P_ARES * 100) + 1);
-+ }
-+ if ((plen) == 60){ /* possible download command*/
-+ if ((payload[59] == 0x0a) && (payload[58] == 0x0a)){
-+ if (memcmp(t, "PUSH SHA1:", 10) == 0) /* found download command */
-+ return ((IPP2P_ARES * 100) + 2);
-+ }
-+ }
-+#endif
-+
-+ return 0;
-+} /*search_ares*/
-+
-+/*Search for SoulSeek commands*/
-+int
-+search_soul (const unsigned char *payload, const u16 plen)
-+{
-+//#define IPP2P_DEBUG_SOUL
-+ /* match: xx xx xx xx | xx = sizeof(payload) - 4 */
-+ if (get_u32(payload, 0) == (plen - 4)){
-+ const __u32 m=get_u32(payload, 4);
-+ /* match 00 yy yy 00, yy can be everything */
-+ if ( get_u8(payload, 4) == 0x00 && get_u8(payload, 7) == 0x00 )
-+ {
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "0: Soulseek command 0x%x recognized\n",get_u32(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 1);
-+ }
-+
-+ /* next match: 01 yy 00 00 | yy can be everything */
-+ if ( get_u8(payload, 4) == 0x01 && get_u16(payload, 6) == 0x0000 )
-+ {
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "1: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 2);
-+ }
-+
-+ /* other soulseek commandos are: 1-5,7,9,13-18,22,23,26,28,35-37,40-46,50,51,60,62-69,91,92,1001 */
-+ /* try to do this in an intelligent way */
-+ /* get all small commandos */
-+ switch(m)
-+ {
-+ case 7:
-+ case 9:
-+ case 22:
-+ case 23:
-+ case 26:
-+ case 28:
-+ case 50:
-+ case 51:
-+ case 60:
-+ case 91:
-+ case 92:
-+ case 1001:
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "2: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 3);
-+ }
-+
-+ if (m > 0 && m < 6 )
-+ {
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "3: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 4);
-+ }
-+ if (m > 12 && m < 19 )
-+ {
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "4: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 5);
-+ }
-+
-+ if (m > 34 && m < 38 )
-+ {
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "5: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 6);
-+ }
-+
-+ if (m > 39 && m < 47 )
-+ {
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "6: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 7);
-+ }
-+
-+ if (m > 61 && m < 70 )
-+ {
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "7: Soulseek command 0x%x recognized\n",get_u16(payload, 4));
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 8);
-+ }
-+
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "unknown SOULSEEK command: 0x%x, first 16 bit: 0x%x, first 8 bit: 0x%x ,soulseek ???\n",get_u32(payload, 4),get_u16(payload, 4) >> 16,get_u8(payload, 4) >> 24);
-+#endif /* IPP2P_DEBUG_SOUL */
-+ }
-+
-+ /* match 14 00 00 00 01 yy 00 00 00 STRING(YY) 01 00 00 00 00 46|50 00 00 00 00 */
-+ /* without size at the beginning !!! */
-+ if ( get_u32(payload, 0) == 0x14 && get_u8(payload, 4) == 0x01 )
-+ {
-+ __u32 y=get_u32(payload, 5);
-+ /* we need 19 chars + string */
-+ if ( (y + 19) <= (plen) )
-+ {
-+ const unsigned char *w=payload+9+y;
-+ if (get_u32(w, 0) == 0x01 && ( get_u16(w, 4) == 0x4600 || get_u16(w, 4) == 0x5000) && get_u32(w, 6) == 0x00);
-+#ifdef IPP2P_DEBUG_SOUL
-+ printk(KERN_DEBUG "Soulssek special client command recognized\n");
-+#endif /* IPP2P_DEBUG_SOUL */
-+ return ((IPP2P_SOUL * 100) + 9);
-+ }
-+ }
-+ return 0;
-+}
-+
-+
-+/*Search for WinMX commands*/
-+int
-+search_winmx (const unsigned char *payload, const u16 plen)
-+{
-+//#define IPP2P_DEBUG_WINMX
-+ if (((plen) == 4) && (memcmp(payload, "SEND", 4) == 0)) return ((IPP2P_WINMX * 100) + 1);
-+ if (((plen) == 3) && (memcmp(payload, "GET", 3) == 0)) return ((IPP2P_WINMX * 100) + 2);
-+ //if (packet_len < (head_len + 10)) return 0;
-+ if (plen < 10) return 0;
-+
-+ if ((memcmp(payload, "SEND", 4) == 0) || (memcmp(payload, "GET", 3) == 0)){
-+ u16 c=4;
-+ const u16 end=plen-2;
-+ u8 count=0;
-+ while (c < end)
-+ {
-+ if (payload[c]== 0x20 && payload[c+1] == 0x22)
-+ {
-+ c++;
-+ count++;
-+ if (count>=2) return ((IPP2P_WINMX * 100) + 3);
-+ }
-+ c++;
-+ }
-+ }
-+
-+ if ( plen == 149 && payload[0] == '8' )
-+ {
-+#ifdef IPP2P_DEBUG_WINMX
-+ printk(KERN_INFO "maybe WinMX\n");
-+#endif
-+ if (get_u32(payload,17) == 0 && get_u32(payload,21) == 0 && get_u32(payload,25) == 0 &&
-+// get_u32(payload,33) == __constant_htonl(0x71182b1a) && get_u32(payload,37) == __constant_htonl(0x05050000) &&
-+// get_u32(payload,133) == __constant_htonl(0x31097edf) && get_u32(payload,145) == __constant_htonl(0xdcb8f792))
-+ get_u16(payload,39) == 0 && get_u16(payload,135) == __constant_htons(0x7edf) && get_u16(payload,147) == __constant_htons(0xf792))
-+
-+ {
-+#ifdef IPP2P_DEBUG_WINMX
-+ printk(KERN_INFO "got WinMX\n");
-+#endif
-+ return ((IPP2P_WINMX * 100) + 4);
-+ }
-+ }
-+ return 0;
-+} /*search_winmx*/
-+
-+
-+/*Search for appleJuice commands*/
-+int
-+search_apple (const unsigned char *payload, const u16 plen)
-+{
-+ if ( (plen > 7) && (payload[6] == 0x0d) && (payload[7] == 0x0a) && (memcmp(payload, "ajprot", 6) == 0)) return (IPP2P_APPLE * 100);
-+
-+ return 0;
-+}
-+
-+
-+/*Search for BitTorrent commands*/
-+int
-+search_bittorrent (const unsigned char *payload, const u16 plen)
-+{
-+ if (plen > 20)
-+ {
-+ /* test for match 0x13+"BitTorrent protocol" */
-+ if (payload[0] == 0x13)
-+ {
-+ if (memcmp(payload+1, "BitTorrent protocol", 19) == 0) return (IPP2P_BIT * 100);
-+ }
-+
-+ /* get tracker commandos, all starts with GET /
-+ * then it can follow: scrape| announce
-+ * and then ?hash_info=
-+ */
-+ if (memcmp(payload,"GET /",5) == 0)
-+ {
-+ /* message scrape */
-+ if ( memcmp(payload+5,"scrape?info_hash=",17)==0 ) return (IPP2P_BIT * 100 + 1);
-+ /* message announce */
-+ if ( memcmp(payload+5,"announce?info_hash=",19)==0 ) return (IPP2P_BIT * 100 + 2);
-+ }
-+ }
-+ else
-+ {
-+ /* bitcomet encryptes the first packet, so we have to detect another
-+ * one later in the flow */
-+ /* first try failed, too many missdetections */
-+ //if ( size == 5 && get_u32(t,0) == __constant_htonl(1) && t[4] < 3) return (IPP2P_BIT * 100 + 3);
-+
-+ /* second try: block request packets */
-+ if ( plen == 17 && get_u32(payload,0) == __constant_htonl(0x0d) && payload[4] == 0x06 && get_u32(payload,13) == __constant_htonl(0x4000) ) return (IPP2P_BIT * 100 + 3);
-+ }
-+
-+ return 0;
-+}
-+
-+
-+
-+/*check for Kazaa get command*/
-+int
-+search_kazaa (const unsigned char *payload, const u16 plen)
-+
-+{
-+ if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a) && memcmp(payload, "GET /.hash=", 11) == 0)
-+ return (IPP2P_DATA_KAZAA * 100);
-+
-+ return 0;
-+}
-+
-+
-+/*check for gnutella get command*/
-+int
-+search_gnu (const unsigned char *payload, const u16 plen)
-+{
-+ if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a))
-+ {
-+ if (memcmp(payload, "GET /get/", 9) == 0) return ((IPP2P_DATA_GNU * 100) + 1);
-+ if (memcmp(payload, "GET /uri-res/", 13) == 0) return ((IPP2P_DATA_GNU * 100) + 2);
-+ }
-+ return 0;
-+}
-+
-+
-+/*check for gnutella get commands and other typical data*/
-+int
-+search_all_gnu (const unsigned char *payload, const u16 plen)
-+{
-+
-+ if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a))
-+ {
-+
-+ if (memcmp(payload, "GNUTELLA CONNECT/", 17) == 0) return ((IPP2P_GNU * 100) + 1);
-+ if (memcmp(payload, "GNUTELLA/", 9) == 0) return ((IPP2P_GNU * 100) + 2);
-+
-+
-+ if ((memcmp(payload, "GET /get/", 9) == 0) || (memcmp(payload, "GET /uri-res/", 13) == 0))
-+ {
-+ u16 c=8;
-+ const u16 end=plen-22;
-+ while (c < end) {
-+ if ( payload[c] == 0x0a && payload[c+1] == 0x0d && ((memcmp(&payload[c+2], "X-Gnutella-", 11) == 0) || (memcmp(&payload[c+2], "X-Queue:", 8) == 0)))
-+ return ((IPP2P_GNU * 100) + 3);
-+ c++;
-+ }
-+ }
-+ }
-+ return 0;
-+}
-+
-+
-+/*check for KaZaA download commands and other typical data*/
-+int
-+search_all_kazaa (const unsigned char *payload, const u16 plen)
-+{
-+ if ((payload[plen-2] == 0x0d) && (payload[plen-1] == 0x0a))
-+ {
-+
-+ if (memcmp(payload, "GIVE ", 5) == 0) return ((IPP2P_KAZAA * 100) + 1);
-+
-+ if (memcmp(payload, "GET /", 5) == 0) {
-+ u16 c = 8;
-+ const u16 end=plen-22;
-+ while (c < end) {
-+ if ( payload[c] == 0x0a && payload[c+1] == 0x0d && ((memcmp(&payload[c+2], "X-Kazaa-Username: ", 18) == 0) || (memcmp(&payload[c+2], "User-Agent: PeerEnabler/", 24) == 0)))
-+ return ((IPP2P_KAZAA * 100) + 2);
-+ c++;
-+ }
-+ }
-+ }
-+ return 0;
-+}
-+
-+/*fast check for edonkey file segment transfer command*/
-+int
-+search_edk (const unsigned char *payload, const u16 plen)
-+{
-+ if (payload[0] != 0xe3)
-+ return 0;
-+ else {
-+ if (payload[5] == 0x47)
-+ return (IPP2P_DATA_EDK * 100);
-+ else
-+ return 0;
-+ }
-+}
-+
-+
-+
-+/*intensive but slower search for some edonkey packets including size-check*/
-+int
-+search_all_edk (const unsigned char *payload, const u16 plen)
-+{
-+ if (payload[0] != 0xe3)
-+ return 0;
-+ else {
-+ //t += head_len;
-+ const u16 cmd = get_u16(payload, 1);
-+ if (cmd == (plen - 5)) {
-+ switch (payload[5]) {
-+ case 0x01: return ((IPP2P_EDK * 100) + 1); /*Client: hello or Server:hello*/
-+ case 0x4c: return ((IPP2P_EDK * 100) + 9); /*Client: Hello-Answer*/
-+ }
-+ }
-+ return 0;
-+ }
-+}
-+
-+
-+/*fast check for Direct Connect send command*/
-+int
-+search_dc (const unsigned char *payload, const u16 plen)
-+{
-+
-+ if (payload[0] != 0x24 )
-+ return 0;
-+ else {
-+ if (memcmp(&payload[1], "Send|", 5) == 0)
-+ return (IPP2P_DATA_DC * 100);
-+ else
-+ return 0;
-+ }
-+
-+}
-+
-+
-+/*intensive but slower check for all direct connect packets*/
-+int
-+search_all_dc (const unsigned char *payload, const u16 plen)
-+{
-+// unsigned char *t = haystack;
-+
-+ if (payload[0] == 0x24 && payload[plen-1] == 0x7c)
-+ {
-+ const unsigned char *t=&payload[1];
-+ /* Client-Hub-Protocol */
-+ if (memcmp(t, "Lock ", 5) == 0) return ((IPP2P_DC * 100) + 1);
-+ /* Client-Client-Protocol, some are already recognized by client-hub (like lock) */
-+ if (memcmp(t, "MyNick ", 7) == 0) return ((IPP2P_DC * 100) + 38);
-+ }
-+ return 0;
-+}
-+
-+/*check for mute*/
-+int
-+search_mute (const unsigned char *payload, const u16 plen)
-+{
-+ if ( plen == 209 || plen == 345 || plen == 473 || plen == 609 || plen == 1121 )
-+ {
-+ //printk(KERN_DEBUG "size hit: %u",size);
-+ if (memcmp(payload,"PublicKey: ",11) == 0 )
-+ {
-+ return ((IPP2P_MUTE * 100) + 0);
-+
-+/* if (memcmp(t+size-14,"\x0aEndPublicKey\x0a",14) == 0)
-+ {
-+ printk(KERN_DEBUG "end pubic key hit: %u",size);
-+
-+ }*/
-+ }
-+ }
-+ return 0;
-+}
-+
-+
-+/* check for xdcc */
-+int
-+search_xdcc (const unsigned char *payload, const u16 plen)
-+{
-+ /* search in small packets only */
-+ if (plen > 20 && plen < 200 && payload[plen-1] == 0x0a && payload[plen-2] == 0x0d && memcmp(payload,"PRIVMSG ",8) == 0)
-+ {
-+
-+ u16 x=10;
-+ const u16 end=plen - 13;
-+
-+ /* is seems to be a irc private massage, chedck for xdcc command */
-+ while (x < end)
-+ {
-+ if (payload[x] == ':')
-+ {
-+ if ( memcmp(&payload[x+1],"xdcc send #",11) == 0 )
-+ return ((IPP2P_XDCC * 100) + 0);
-+ }
-+ x++;
-+ }
-+ }
-+ return 0;
-+}
-+
-+/* search for waste */
-+int search_waste(const unsigned char *payload, const u16 plen)
-+{
-+ if ( plen >= 8 && memcmp(payload,"GET.sha1:",9) == 0)
-+ return ((IPP2P_WASTE * 100) + 0);
-+
-+ return 0;
-+}
-+
-+
-+static struct {
-+ int command;
-+ __u8 short_hand; /*for fucntions included in short hands*/
-+ int packet_len;
-+ int (*function_name) (const unsigned char *, const u16);
-+} matchlist[] = {
-+ {IPP2P_EDK,SHORT_HAND_IPP2P,20, &search_all_edk},
-+// {IPP2P_DATA_KAZAA,SHORT_HAND_DATA,200, &search_kazaa},
-+// {IPP2P_DATA_EDK,SHORT_HAND_DATA,60, &search_edk},
-+// {IPP2P_DATA_DC,SHORT_HAND_DATA,26, &search_dc},
-+ {IPP2P_DC,SHORT_HAND_IPP2P,5, search_all_dc},
-+// {IPP2P_DATA_GNU,SHORT_HAND_DATA,40, &search_gnu},
-+ {IPP2P_GNU,SHORT_HAND_IPP2P,5, &search_all_gnu},
-+ {IPP2P_KAZAA,SHORT_HAND_IPP2P,5, &search_all_kazaa},
-+ {IPP2P_BIT,SHORT_HAND_IPP2P,20, &search_bittorrent},
-+ {IPP2P_APPLE,SHORT_HAND_IPP2P,5, &search_apple},
-+ {IPP2P_SOUL,SHORT_HAND_IPP2P,5, &search_soul},
-+ {IPP2P_WINMX,SHORT_HAND_IPP2P,2, &search_winmx},
-+ {IPP2P_ARES,SHORT_HAND_IPP2P,5, &search_ares},
-+ {IPP2P_MUTE,SHORT_HAND_NONE,200, &search_mute},
-+ {IPP2P_WASTE,SHORT_HAND_NONE,5, &search_waste},
-+ {IPP2P_XDCC,SHORT_HAND_NONE,5, &search_xdcc},
-+ {0,0,0,NULL}
-+};
-+
-+
-+static struct {
-+ int command;
-+ __u8 short_hand; /*for fucntions included in short hands*/
-+ int packet_len;
-+ int (*function_name) (unsigned char *, int);
-+} udp_list[] = {
-+ {IPP2P_KAZAA,SHORT_HAND_IPP2P,14, &udp_search_kazaa},
-+ {IPP2P_BIT,SHORT_HAND_IPP2P,23, &udp_search_bit},
-+ {IPP2P_GNU,SHORT_HAND_IPP2P,11, &udp_search_gnu},
-+ {IPP2P_EDK,SHORT_HAND_IPP2P,9, &udp_search_edk},
-+ {IPP2P_DC,SHORT_HAND_IPP2P,12, &udp_search_directconnect},
-+ {0,0,0,NULL}
-+};
-+
-+
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ const struct xt_match *match,
-+#endif
-+ const void *matchinfo,
-+ int offset,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ unsigned int protoff,
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ const void *hdr,
-+ u_int16_t datalen,
-+#endif
-+ int *hotdrop)
-+{
-+ const struct ipt_p2p_info *info = matchinfo;
-+ unsigned char *haystack;
-+ struct iphdr *ip = ip_hdr(skb);
-+ int p2p_result = 0, i = 0;
-+// int head_len;
-+ int hlen = ntohs(ip->tot_len)-(ip->ihl*4); /*hlen = packet-data length*/
-+
-+ /*must not be a fragment*/
-+ if (offset) {
-+ if (info->debug) printk("IPP2P.match: offset found %i \n",offset);
-+ return 0;
-+ }
-+
-+ /*make sure that skb is linear*/
-+ if(skb_is_nonlinear(skb)){
-+ if (info->debug) printk("IPP2P.match: nonlinear skb found\n");
-+ return 0;
-+ }
-+
-+
-+ haystack=(char *)ip+(ip->ihl*4); /*haystack = packet data*/
-+
-+ switch (ip->protocol){
-+ case IPPROTO_TCP: /*what to do with a TCP packet*/
-+ {
-+ struct tcphdr *tcph = (void *) ip + ip->ihl * 4;
-+
-+ if (tcph->fin) return 0; /*if FIN bit is set bail out*/
-+ if (tcph->syn) return 0; /*if SYN bit is set bail out*/
-+ if (tcph->rst) return 0; /*if RST bit is set bail out*/
-+
-+ haystack += tcph->doff * 4; /*get TCP-Header-Size*/
-+ hlen -= tcph->doff * 4;
-+ while (matchlist[i].command) {
-+ if ((((info->cmd & matchlist[i].command) == matchlist[i].command) ||
-+ ((info->cmd & matchlist[i].short_hand) == matchlist[i].short_hand)) &&
-+ (hlen > matchlist[i].packet_len)) {
-+ p2p_result = matchlist[i].function_name(haystack, hlen);
-+ if (p2p_result)
-+ {
-+ if (info->debug) printk("IPP2P.debug:TCP-match: %i from: %u.%u.%u.%u:%i to: %u.%u.%u.%u:%i Length: %i\n",
-+ p2p_result, NIPQUAD(ip->saddr),ntohs(tcph->source), NIPQUAD(ip->daddr),ntohs(tcph->dest),hlen);
-+ return p2p_result;
-+ }
-+ }
-+ i++;
-+ }
-+ return p2p_result;
-+ }
-+
-+ case IPPROTO_UDP: /*what to do with an UDP packet*/
-+ {
-+ struct udphdr *udph = (void *) ip + ip->ihl * 4;
-+
-+ while (udp_list[i].command){
-+ if ((((info->cmd & udp_list[i].command) == udp_list[i].command) ||
-+ ((info->cmd & udp_list[i].short_hand) == udp_list[i].short_hand)) &&
-+ (hlen > udp_list[i].packet_len)) {
-+ p2p_result = udp_list[i].function_name(haystack, hlen);
-+ if (p2p_result){
-+ if (info->debug) printk("IPP2P.debug:UDP-match: %i from: %u.%u.%u.%u:%i to: %u.%u.%u.%u:%i Length: %i\n",
-+ p2p_result, NIPQUAD(ip->saddr),ntohs(udph->source), NIPQUAD(ip->daddr),ntohs(udph->dest),hlen);
-+ return p2p_result;
-+ }
-+ }
-+ i++;
-+ }
-+ return p2p_result;
-+ }
-+
-+ default: return 0;
-+ }
-+}
-+
-+
-+
-+static int
-+checkentry(const char *tablename,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ const void *ip,
-+ const struct xt_match *match,
-+#else
-+ const struct ipt_ip *ip,
-+#endif
-+ void *matchinfo,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ unsigned int matchsize,
-+#endif
-+ unsigned int hook_mask)
-+{
-+ /* Must specify -p tcp */
-+/* if (ip->proto != IPPROTO_TCP || (ip->invflags & IPT_INV_PROTO)) {
-+ * printk("ipp2p: Only works on TCP packets, use -p tcp\n");
-+ * return 0;
-+ * }*/
-+ return 1;
-+}
-+
-+
-+
-+
-+static struct ipt_match ipp2p_match = {
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ { NULL, NULL },
-+ "ipp2p",
-+ &match,
-+ &checkentry,
-+ NULL,
-+ THIS_MODULE
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ .name = "ipp2p",
-+ .match = &match,
-+ .family = AF_INET,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ .matchsize = sizeof(struct ipt_p2p_info),
-+#endif
-+ .checkentry = &checkentry,
-+ .me = THIS_MODULE,
-+#endif
-+};
-+
-+
-+static int __init init(void)
-+{
-+ printk(KERN_INFO "IPP2P v%s loading\n", IPP2P_VERSION);
-+ return xt_register_match(&ipp2p_match);
-+}
-+
-+static void __exit fini(void)
-+{
-+ xt_unregister_match(&ipp2p_match);
-+ printk(KERN_INFO "IPP2P v%s unloaded\n", IPP2P_VERSION);
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+
-+
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -63,6 +63,12 @@
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config IP_NF_MATCH_IPP2P
-+ tristate "IPP2P"
-+ depends on IP_NF_IPTABLES
-+ help
-+ Module for matching traffic of various Peer-to-Peer applications
-+
- config IP_NF_MATCH_TOS
- tristate "TOS match support"
- depends on IP_NF_IPTABLES
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -49,6 +49,7 @@
- obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
- obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
- obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
-+obj-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p.o
-
- # targets
- obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
+++ /dev/null
---- /dev/null
-+++ b/include/net/xfrmudp.h
-@@ -0,0 +1,10 @@
-+/*
-+ * pointer to function for type that xfrm4_input wants, to permit
-+ * decoupling of XFRM from udp.c
-+ */
-+#define HAVE_XFRM4_UDP_REGISTER
-+
-+typedef int (*xfrm4_rcv_encap_t)(struct sk_buff *skb, __u16 encap_type);
-+extern int udp4_register_esp_rcvencap(xfrm4_rcv_encap_t func
-+ , xfrm4_rcv_encap_t *oldfunc);
-+extern int udp4_unregister_esp_rcvencap(xfrm4_rcv_encap_t func);
---- a/net/ipv4/Kconfig
-+++ b/net/ipv4/Kconfig
-@@ -266,6 +266,12 @@
- Network), but can be distributed all over the Internet. If you want
- to do that, say Y here and to "IP multicast routing" below.
-
-+config IPSEC_NAT_TRAVERSAL
-+ bool "IPSEC NAT-Traversal (KLIPS compatible)"
-+ depends on INET
-+ ---help---
-+ Includes support for RFC3947/RFC3948 NAT-Traversal of ESP over UDP.
-+
- config IP_MROUTE
- bool "IP: multicast routing"
- depends on IP_MULTICAST
---- a/net/ipv4/udp.c
-+++ b/net/ipv4/udp.c
-@@ -101,12 +101,15 @@
- #include <net/route.h>
- #include <net/checksum.h>
- #include <net/xfrm.h>
-+#include <net/xfrmudp.h>
- #include "udp_impl.h"
-
- /*
- * Snmp MIB for the UDP layer
- */
-
-+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func;
-+
- DEFINE_SNMP_STAT(struct udp_mib, udp_statistics) __read_mostly;
-
- struct hlist_head udp_hash[UDP_HTABLE_SIZE];
-@@ -919,6 +922,42 @@
- return 0;
- }
-
-+#if defined(CONFIG_XFRM) || defined(CONFIG_IPSEC_NAT_TRAVERSAL)
-+
-+/* if XFRM isn't a module, then register it directly. */
-+#if 0 && !defined(CONFIG_XFRM_MODULE) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
-+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func = xfrm4_rcv_encap;
-+#else
-+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func = NULL;
-+#endif
-+
-+int udp4_register_esp_rcvencap(xfrm4_rcv_encap_t func
-+ , xfrm4_rcv_encap_t *oldfunc)
-+{
-+ if(oldfunc != NULL) {
-+ *oldfunc = xfrm4_rcv_encap_func;
-+ }
-+
-+#if 0
-+ if(xfrm4_rcv_encap_func != NULL)
-+ return -1;
-+#endif
-+
-+ xfrm4_rcv_encap_func = func;
-+ return 0;
-+}
-+
-+int udp4_unregister_esp_rcvencap(xfrm4_rcv_encap_t func)
-+{
-+ if(xfrm4_rcv_encap_func != func)
-+ return -1;
-+
-+ xfrm4_rcv_encap_func = NULL;
-+ return 0;
-+}
-+#endif /* CONFIG_XFRM_MODULE || CONFIG_IPSEC_NAT_TRAVERSAL */
-+
-+
- /* return:
- * 1 if the UDP system should process it
- * 0 if we should drop this packet
-@@ -926,7 +965,7 @@
- */
- static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
- {
--#ifndef CONFIG_XFRM
-+#if !defined(CONFIG_XFRM) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
- return 1;
- #else
- struct udp_sock *up = udp_sk(sk);
-@@ -941,11 +980,11 @@
- /* if we're overly short, let UDP handle it */
- len = skb->len - sizeof(struct udphdr);
- if (len <= 0)
-- return 1;
-+ return 2;
-
- /* if this is not encapsulated socket, then just return now */
- if (!encap_type)
-- return 1;
-+ return 3;
-
- /* If this is a paged skb, make sure we pull up
- * whatever data we need to look at. */
-@@ -968,7 +1007,7 @@
- len = sizeof(struct udphdr);
- } else
- /* Must be an IKE packet.. pass it through */
-- return 1;
-+ return 4;
- break;
- case UDP_ENCAP_ESPINUDP_NON_IKE:
- /* Check if this is a keepalive packet. If so, eat it. */
-@@ -981,7 +1020,7 @@
- len = sizeof(struct udphdr) + 2 * sizeof(u32);
- } else
- /* Must be an IKE packet.. pass it through */
-- return 1;
-+ return 5;
- break;
- }
-
-@@ -992,6 +1031,8 @@
- */
- if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
- return 0;
-+ if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
-+ return 0;
-
- /* Now we can update and verify the packet length... */
- iph = ip_hdr(skb);
-@@ -1056,9 +1097,13 @@
- return 0;
- }
- if (ret < 0) {
-- /* process the ESP packet */
-- ret = xfrm4_rcv_encap(skb, up->encap_type);
-- UDP_INC_STATS_BH(UDP_MIB_INDATAGRAMS, up->pcflag);
-+ if(xfrm4_rcv_encap_func != NULL) {
-+ ret = (*xfrm4_rcv_encap_func)(skb, up->encap_type);
-+ UDP_INC_STATS_BH(UDP_MIB_INDATAGRAMS, up->pcflag);
-+ } else {
-+ UDP_INC_STATS_BH(UDP_MIB_INERRORS, up->pcflag);
-+ ret = 1;
-+ }
- return -ret;
- }
- /* FALLTHROUGH -- it's a UDP Packet */
-@@ -1742,3 +1787,9 @@
- EXPORT_SYMBOL(udp_proc_register);
- EXPORT_SYMBOL(udp_proc_unregister);
- #endif
-+
-+#if defined(CONFIG_IPSEC_NAT_TRAVERSAL)
-+EXPORT_SYMBOL(udp4_register_esp_rcvencap);
-+EXPORT_SYMBOL(udp4_unregister_esp_rcvencap);
-+#endif
-+
+++ /dev/null
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set.h
-@@ -0,0 +1,498 @@
-+#ifndef _IP_SET_H
-+#define _IP_SET_H
-+
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#if 0
-+#define IP_SET_DEBUG
-+#endif
-+
-+/*
-+ * A sockopt of such quality has hardly ever been seen before on the open
-+ * market! This little beauty, hardly ever used: above 64, so it's
-+ * traditionally used for firewalling, not touched (even once!) by the
-+ * 2.0, 2.2 and 2.4 kernels!
-+ *
-+ * Comes with its own certificate of authenticity, valid anywhere in the
-+ * Free world!
-+ *
-+ * Rusty, 19.4.2000
-+ */
-+#define SO_IP_SET 83
-+
-+/*
-+ * Heavily modify by Joakim Axelsson 08.03.2002
-+ * - Made it more modulebased
-+ *
-+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
-+ * - bindings added
-+ * - in order to "deal with" backward compatibility, renamed to ipset
-+ */
-+
-+/*
-+ * Used so that the kernel module and ipset-binary can match their versions
-+ */
-+#define IP_SET_PROTOCOL_VERSION 2
-+
-+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */
-+
-+/* Lets work with our own typedef for representing an IP address.
-+ * We hope to make the code more portable, possibly to IPv6...
-+ *
-+ * The representation works in HOST byte order, because most set types
-+ * will perform arithmetic operations and compare operations.
-+ *
-+ * For now the type is an uint32_t.
-+ *
-+ * Make sure to ONLY use the functions when translating and parsing
-+ * in order to keep the host byte order and make it more portable:
-+ * parse_ip()
-+ * parse_mask()
-+ * parse_ipandmask()
-+ * ip_tostring()
-+ * (Joakim: where are they???)
-+ */
-+
-+typedef uint32_t ip_set_ip_t;
-+
-+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
-+ * and IP_SET_INVALID_ID if you want to increase the max number of sets.
-+ */
-+typedef uint16_t ip_set_id_t;
-+
-+#define IP_SET_INVALID_ID 65535
-+
-+/* How deep we follow bindings */
-+#define IP_SET_MAX_BINDINGS 6
-+
-+/*
-+ * Option flags for kernel operations (ipt_set_info)
-+ */
-+#define IPSET_SRC 0x01 /* Source match/add */
-+#define IPSET_DST 0x02 /* Destination match/add */
-+#define IPSET_MATCH_INV 0x04 /* Inverse matching */
-+
-+/*
-+ * Set features
-+ */
-+#define IPSET_TYPE_IP 0x01 /* IP address type of set */
-+#define IPSET_TYPE_PORT 0x02 /* Port type of set */
-+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */
-+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */
-+
-+/* Reserved keywords */
-+#define IPSET_TOKEN_DEFAULT ":default:"
-+#define IPSET_TOKEN_ALL ":all:"
-+
-+/* SO_IP_SET operation constants, and their request struct types.
-+ *
-+ * Operation ids:
-+ * 0-99: commands with version checking
-+ * 100-199: add/del/test/bind/unbind
-+ * 200-299: list, save, restore
-+ */
-+
-+/* Single shot operations:
-+ * version, create, destroy, flush, rename and swap
-+ *
-+ * Sets are identified by name.
-+ */
-+
-+#define IP_SET_REQ_STD \
-+ unsigned op; \
-+ unsigned version; \
-+ char name[IP_SET_MAXNAMELEN]
-+
-+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */
-+struct ip_set_req_create {
-+ IP_SET_REQ_STD;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */
-+struct ip_set_req_std {
-+ IP_SET_REQ_STD;
-+};
-+
-+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */
-+/* Uses ip_set_req_std */
-+
-+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */
-+/* Uses ip_set_req_create */
-+
-+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */
-+/* Uses ip_set_req_create */
-+
-+union ip_set_name_index {
-+ char name[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+};
-+
-+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
-+struct ip_set_req_get_set {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+};
-+
-+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
-+/* Uses ip_set_req_get_set */
-+
-+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
-+struct ip_set_req_version {
-+ unsigned op;
-+ unsigned version;
-+};
-+
-+/* Double shots operations:
-+ * add, del, test, bind and unbind.
-+ *
-+ * First we query the kernel to get the index and type of the target set,
-+ * then issue the command. Validity of IP is checked in kernel in order
-+ * to minimalize sockopt operations.
-+ */
-+
-+/* Get minimal set data for add/del/test/bind/unbind IP */
-+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */
-+struct ip_set_req_adt_get {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_REQ_BYINDEX \
-+ unsigned op; \
-+ ip_set_id_t index;
-+
-+struct ip_set_req_adt {
-+ IP_SET_REQ_BYINDEX;
-+};
-+
-+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+struct ip_set_req_bind {
-+ IP_SET_REQ_BYINDEX;
-+ char binding[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */
-+/* Uses ip_set_req_bind, with type speficic addage
-+ * index = 0 means unbinding for all sets */
-+
-+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+
-+/* Multiple shots operations: list, save, restore.
-+ *
-+ * - check kernel version and query the max number of sets
-+ * - get the basic information on all sets
-+ * and size required for the next step
-+ * - get actual set data: header, data, bindings
-+ */
-+
-+/* Get max_sets and the index of a queried set
-+ */
-+#define IP_SET_OP_MAX_SETS 0x00000020
-+struct ip_set_req_max_sets {
-+ unsigned op;
-+ unsigned version;
-+ ip_set_id_t max_sets; /* max_sets */
-+ ip_set_id_t sets; /* real number of sets */
-+ union ip_set_name_index set; /* index of set if name used */
-+};
-+
-+/* Get the id and name of the sets plus size for next step */
-+#define IP_SET_OP_LIST_SIZE 0x00000201
-+#define IP_SET_OP_SAVE_SIZE 0x00000202
-+struct ip_set_req_setnames {
-+ unsigned op;
-+ ip_set_id_t index; /* set to list/save */
-+ size_t size; /* size to get setdata/bindings */
-+ /* followed by sets number of struct ip_set_name_list */
-+};
-+
-+struct ip_set_name_list {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ ip_set_id_t id;
-+};
-+
-+/* The actual list operation */
-+#define IP_SET_OP_LIST 0x00000203
-+struct ip_set_req_list {
-+ IP_SET_REQ_BYINDEX;
-+ /* sets number of struct ip_set_list in reply */
-+};
-+
-+struct ip_set_list {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t ref;
-+ size_t header_size; /* Set header data of header_size */
-+ size_t members_size; /* Set members data of members_size */
-+ size_t bindings_size; /* Set bindings data of bindings_size */
-+};
-+
-+struct ip_set_hash_list {
-+ ip_set_ip_t ip;
-+ ip_set_id_t binding;
-+};
-+
-+/* The save operation */
-+#define IP_SET_OP_SAVE 0x00000204
-+/* Uses ip_set_req_list, in the reply replaced by
-+ * sets number of struct ip_set_save plus a marker
-+ * ip_set_save followed by ip_set_hash_save structures.
-+ */
-+struct ip_set_save {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ size_t header_size; /* Set header data of header_size */
-+ size_t members_size; /* Set members data of members_size */
-+};
-+
-+/* At restoring, ip == 0 means default binding for the given set: */
-+struct ip_set_hash_save {
-+ ip_set_ip_t ip;
-+ ip_set_id_t id;
-+ ip_set_id_t binding;
-+};
-+
-+/* The restore operation */
-+#define IP_SET_OP_RESTORE 0x00000205
-+/* Uses ip_set_req_setnames followed by ip_set_restore structures
-+ * plus a marker ip_set_restore, followed by ip_set_hash_save
-+ * structures.
-+ */
-+struct ip_set_restore {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ size_t header_size; /* Create data of header_size */
-+ size_t members_size; /* Set members data of members_size */
-+};
-+
-+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
-+{
-+ return 4 * ((((b - a + 8) / 8) + 3) / 4);
-+}
-+
-+#ifdef __KERNEL__
-+
-+#define ip_set_printk(format, args...) \
-+ do { \
-+ printk("%s: %s: ", __FILE__, __FUNCTION__); \
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+
-+#if defined(IP_SET_DEBUG)
-+#define DP(format, args...) \
-+ do { \
-+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+#define IP_SET_ASSERT(x) \
-+ do { \
-+ if (!(x)) \
-+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \
-+ __FILE__, __LINE__, __FUNCTION__); \
-+ } while (0)
-+#else
-+#define DP(format, args...)
-+#define IP_SET_ASSERT(x)
-+#endif
-+
-+struct ip_set;
-+
-+/*
-+ * The ip_set_type definition - one per set type, e.g. "ipmap".
-+ *
-+ * Each individual set has a pointer, set->type, going to one
-+ * of these structures. Function pointers inside the structure implement
-+ * the real behaviour of the sets.
-+ *
-+ * If not mentioned differently, the implementation behind the function
-+ * pointers of a set_type, is expected to return 0 if ok, and a negative
-+ * errno (e.g. -EINVAL) on error.
-+ */
-+struct ip_set_type {
-+ struct list_head list; /* next in list of set types */
-+
-+ /* test for IP in set (kernel: iptables -m set src|dst)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* test for IP in set (userspace: ipset -T set IP)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip) (struct ip_set *set,
-+ const void *data, size_t size,
-+ ip_set_ip_t *ip);
-+
-+ /*
-+ * Size of the data structure passed by when
-+ * adding/deletin/testing an entry.
-+ */
-+ size_t reqsize;
-+
-+ /* Add IP into set (userspace: ipset -A set IP)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip) (struct ip_set *set,
-+ const void *data, size_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* Add IP into set (kernel: iptables ... -j SET set src|dst)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* remove IP from set (userspace: ipset -D set --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip) (struct ip_set *set,
-+ const void *data, size_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* remove IP from set (kernel: iptables ... -j SET --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* new set creation - allocated type specific items
-+ */
-+ int (*create) (struct ip_set *set,
-+ const void *data, size_t size);
-+
-+ /* retry the operation after successfully tweaking the set
-+ */
-+ int (*retry) (struct ip_set *set);
-+
-+ /* set destruction - free type specific items
-+ * There is no return value.
-+ * Can be called only when child sets are destroyed.
-+ */
-+ void (*destroy) (struct ip_set *set);
-+
-+ /* set flushing - reset all bits in the set, or something similar.
-+ * There is no return value.
-+ */
-+ void (*flush) (struct ip_set *set);
-+
-+ /* Listing: size needed for header
-+ */
-+ size_t header_size;
-+
-+ /* Listing: Get the header
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_header_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_header) (const struct ip_set *set,
-+ void *data);
-+
-+ /* Listing: Get the size for the set members
-+ */
-+ int (*list_members_size) (const struct ip_set *set);
-+
-+ /* Listing: Get the set members
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_member_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_members) (const struct ip_set *set,
-+ void *data);
-+
-+ char typename[IP_SET_MAXNAMELEN];
-+ unsigned char features;
-+ int protocol_version;
-+
-+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */
-+ struct module *me;
-+};
-+
-+extern int ip_set_register_set_type(struct ip_set_type *set_type);
-+extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
-+
-+/* A generic ipset */
-+struct ip_set {
-+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */
-+ rwlock_t lock; /* lock for concurrency control */
-+ ip_set_id_t id; /* set id for swapping */
-+ ip_set_id_t binding; /* default binding for the set */
-+ atomic_t ref; /* in kernel and in hash references */
-+ struct ip_set_type *type; /* the set types */
-+ void *data; /* pooltype specific data */
-+};
-+
-+/* Structure to bind set elements to sets */
-+struct ip_set_hash {
-+ struct list_head list; /* list of clashing entries in hash */
-+ ip_set_ip_t ip; /* ip from set */
-+ ip_set_id_t id; /* set id */
-+ ip_set_id_t binding; /* set we bind the element to */
-+};
-+
-+/* register and unregister set references */
-+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
-+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t id);
-+extern void ip_set_put(ip_set_id_t id);
-+
-+/* API for iptables set match, and SET target */
-+extern void ip_set_addip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern void ip_set_delip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_testip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h
-@@ -0,0 +1,30 @@
-+#ifndef __IP_SET_IPHASH_H
-+#define __IP_SET_IPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iphash"
-+#define MAX_RANGE 0x0000FFFF
-+
-+struct ip_set_iphash {
-+ ip_set_ip_t *members; /* the iphash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t netmask; /* netmask */
-+ void *initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_iphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_iphash {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_IPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h
-@@ -0,0 +1,56 @@
-+#ifndef __IP_SET_IPMAP_H
-+#define __IP_SET_IPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "ipmap"
-+#define MAX_RANGE 0x0000FFFF
-+
-+struct ip_set_ipmap {
-+ void *members; /* the ipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ ip_set_ip_t netmask; /* subnet netmask */
-+ ip_set_ip_t sizeid; /* size of set in IPs */
-+ ip_set_ip_t hosts; /* number of hosts in a subnet */
-+};
-+
-+struct ip_set_req_ipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_ipmap {
-+ ip_set_ip_t ip;
-+};
-+
-+unsigned int
-+mask_to_bits(ip_set_ip_t mask)
-+{
-+ unsigned int bits = 32;
-+ ip_set_ip_t maskaddr;
-+
-+ if (mask == 0xFFFFFFFF)
-+ return bits;
-+
-+ maskaddr = 0xFFFFFFFE;
-+ while (--bits >= 0 && maskaddr != mask)
-+ maskaddr <<= 1;
-+
-+ return bits;
-+}
-+
-+ip_set_ip_t
-+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits)
-+{
-+ ip_set_ip_t mask = 0xFFFFFFFE;
-+
-+ *bits = 32;
-+ while (--(*bits) >= 0 && mask && (to & mask) != from)
-+ mask <<= 1;
-+
-+ return mask;
-+}
-+
-+#endif /* __IP_SET_IPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h
-@@ -0,0 +1,34 @@
-+#ifndef __IP_SET_IPPORTHASH_H
-+#define __IP_SET_IPPORTHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "ipporthash"
-+#define MAX_RANGE 0x0000FFFF
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+struct ip_set_ipporthash {
-+ ip_set_ip_t *members; /* the ipporthash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ void *initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipporthash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipporthash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_IPPORTHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h
-@@ -0,0 +1,40 @@
-+#ifndef __IP_SET_IPTREE_H
-+#define __IP_SET_IPTREE_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptree"
-+#define MAX_RANGE 0x0000FFFF
-+
-+struct ip_set_iptreed {
-+ unsigned long expires[256]; /* x.x.x.ADDR */
-+};
-+
-+struct ip_set_iptreec {
-+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */
-+};
-+
-+struct ip_set_iptreeb {
-+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */
-+};
-+
-+struct ip_set_iptree {
-+ unsigned int timeout;
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ uint32_t elements; /* number of elements */
-+ struct timer_list gc;
-+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */
-+#endif
-+};
-+
-+struct ip_set_req_iptree_create {
-+ unsigned int timeout;
-+};
-+
-+struct ip_set_req_iptree {
-+ ip_set_ip_t ip;
-+ unsigned int timeout;
-+};
-+
-+#endif /* __IP_SET_IPTREE_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h
-@@ -0,0 +1,40 @@
-+#ifndef __IP_SET_IPTREEMAP_H
-+#define __IP_SET_IPTREEMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptreemap"
-+
-+#ifdef __KERNEL__
-+struct ip_set_iptreemap_d {
-+ unsigned char bitmap[32]; /* x.x.x.y */
-+};
-+
-+struct ip_set_iptreemap_c {
-+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */
-+};
-+
-+struct ip_set_iptreemap_b {
-+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */
-+ unsigned char dirty[32];
-+};
-+#endif
-+
-+struct ip_set_iptreemap {
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ struct timer_list gc;
-+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */
-+#endif
-+};
-+
-+struct ip_set_req_iptreemap_create {
-+ unsigned int gc_interval;
-+};
-+
-+struct ip_set_req_iptreemap {
-+ ip_set_ip_t start;
-+ ip_set_ip_t end;
-+};
-+
-+#endif /* __IP_SET_IPTREEMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h
-@@ -0,0 +1,148 @@
-+#ifndef _LINUX_IPSET_JHASH_H
-+#define _LINUX_IPSET_JHASH_H
-+
-+/* This is a copy of linux/jhash.h but the types u32/u8 are changed
-+ * to __u32/__u8 so that the header file can be included into
-+ * userspace code as well. Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
-+ */
-+
-+/* jhash.h: Jenkins hash support.
-+ *
-+ * Copyright (C) 1996 Bob Jenkins (bob_jenkins@burtleburtle.net)
-+ *
-+ * http://burtleburtle.net/bob/hash/
-+ *
-+ * These are the credits from Bob's sources:
-+ *
-+ * lookup2.c, by Bob Jenkins, December 1996, Public Domain.
-+ * hash(), hash2(), hash3, and mix() are externally useful functions.
-+ * Routines to test the hash are included if SELF_TEST is defined.
-+ * You can use this free for any purpose. It has no warranty.
-+ *
-+ * Copyright (C) 2003 David S. Miller (davem@redhat.com)
-+ *
-+ * I've modified Bob's hash to be useful in the Linux kernel, and
-+ * any bugs present are surely my fault. -DaveM
-+ */
-+
-+/* NOTE: Arguments are modified. */
-+#define __jhash_mix(a, b, c) \
-+{ \
-+ a -= b; a -= c; a ^= (c>>13); \
-+ b -= c; b -= a; b ^= (a<<8); \
-+ c -= a; c -= b; c ^= (b>>13); \
-+ a -= b; a -= c; a ^= (c>>12); \
-+ b -= c; b -= a; b ^= (a<<16); \
-+ c -= a; c -= b; c ^= (b>>5); \
-+ a -= b; a -= c; a ^= (c>>3); \
-+ b -= c; b -= a; b ^= (a<<10); \
-+ c -= a; c -= b; c ^= (b>>15); \
-+}
-+
-+/* The golden ration: an arbitrary value */
-+#define JHASH_GOLDEN_RATIO 0x9e3779b9
-+
-+/* The most generic version, hashes an arbitrary sequence
-+ * of bytes. No alignment or length assumptions are made about
-+ * the input key.
-+ */
-+static inline __u32 jhash(void *key, __u32 length, __u32 initval)
-+{
-+ __u32 a, b, c, len;
-+ __u8 *k = key;
-+
-+ len = length;
-+ a = b = JHASH_GOLDEN_RATIO;
-+ c = initval;
-+
-+ while (len >= 12) {
-+ a += (k[0] +((__u32)k[1]<<8) +((__u32)k[2]<<16) +((__u32)k[3]<<24));
-+ b += (k[4] +((__u32)k[5]<<8) +((__u32)k[6]<<16) +((__u32)k[7]<<24));
-+ c += (k[8] +((__u32)k[9]<<8) +((__u32)k[10]<<16)+((__u32)k[11]<<24));
-+
-+ __jhash_mix(a,b,c);
-+
-+ k += 12;
-+ len -= 12;
-+ }
-+
-+ c += length;
-+ switch (len) {
-+ case 11: c += ((__u32)k[10]<<24);
-+ case 10: c += ((__u32)k[9]<<16);
-+ case 9 : c += ((__u32)k[8]<<8);
-+ case 8 : b += ((__u32)k[7]<<24);
-+ case 7 : b += ((__u32)k[6]<<16);
-+ case 6 : b += ((__u32)k[5]<<8);
-+ case 5 : b += k[4];
-+ case 4 : a += ((__u32)k[3]<<24);
-+ case 3 : a += ((__u32)k[2]<<16);
-+ case 2 : a += ((__u32)k[1]<<8);
-+ case 1 : a += k[0];
-+ };
-+
-+ __jhash_mix(a,b,c);
-+
-+ return c;
-+}
-+
-+/* A special optimized version that handles 1 or more of __u32s.
-+ * The length parameter here is the number of __u32s in the key.
-+ */
-+static inline __u32 jhash2(__u32 *k, __u32 length, __u32 initval)
-+{
-+ __u32 a, b, c, len;
-+
-+ a = b = JHASH_GOLDEN_RATIO;
-+ c = initval;
-+ len = length;
-+
-+ while (len >= 3) {
-+ a += k[0];
-+ b += k[1];
-+ c += k[2];
-+ __jhash_mix(a, b, c);
-+ k += 3; len -= 3;
-+ }
-+
-+ c += length * 4;
-+
-+ switch (len) {
-+ case 2 : b += k[1];
-+ case 1 : a += k[0];
-+ };
-+
-+ __jhash_mix(a,b,c);
-+
-+ return c;
-+}
-+
-+
-+/* A special ultra-optimized versions that knows they are hashing exactly
-+ * 3, 2 or 1 word(s).
-+ *
-+ * NOTE: In partilar the "c += length; __jhash_mix(a,b,c);" normally
-+ * done at the end is not done here.
-+ */
-+static inline __u32 jhash_3words(__u32 a, __u32 b, __u32 c, __u32 initval)
-+{
-+ a += JHASH_GOLDEN_RATIO;
-+ b += JHASH_GOLDEN_RATIO;
-+ c += initval;
-+
-+ __jhash_mix(a, b, c);
-+
-+ return c;
-+}
-+
-+static inline __u32 jhash_2words(__u32 a, __u32 b, __u32 initval)
-+{
-+ return jhash_3words(a, b, 0, initval);
-+}
-+
-+static inline __u32 jhash_1word(__u32 a, __u32 initval)
-+{
-+ return jhash_3words(a, 0, 0, initval);
-+}
-+
-+#endif /* _LINUX_IPSET_JHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h
-@@ -0,0 +1,38 @@
-+#ifndef __IP_SET_MACIPMAP_H
-+#define __IP_SET_MACIPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "macipmap"
-+#define MAX_RANGE 0x0000FFFF
-+
-+/* general flags */
-+#define IPSET_MACIP_MATCHUNSET 1
-+
-+/* per ip flags */
-+#define IPSET_MACIP_ISSET 1
-+
-+struct ip_set_macipmap {
-+ void *members; /* the macipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap {
-+ ip_set_ip_t ip;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+struct ip_set_macip {
-+ unsigned short flags;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+#endif /* __IP_SET_MACIPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h
-@@ -0,0 +1,116 @@
-+#ifndef _IP_SET_MALLOC_H
-+#define _IP_SET_MALLOC_H
-+
-+#ifdef __KERNEL__
-+
-+/* Memory allocation and deallocation */
-+static size_t max_malloc_size = 0;
-+
-+static inline void init_max_malloc_size(void)
-+{
-+#define CACHE(x) max_malloc_size = x;
-+#include <linux/kmalloc_sizes.h>
-+#undef CACHE
-+}
-+
-+static inline void * ip_set_malloc(size_t bytes)
-+{
-+ if (bytes > max_malloc_size)
-+ return vmalloc(bytes);
-+ else
-+ return kmalloc(bytes, GFP_KERNEL);
-+}
-+
-+static inline void ip_set_free(void * data, size_t bytes)
-+{
-+ if (bytes > max_malloc_size)
-+ vfree(data);
-+ else
-+ kfree(data);
-+}
-+
-+struct harray {
-+ size_t max_elements;
-+ void *arrays[0];
-+};
-+
-+static inline void *
-+harray_malloc(size_t hashsize, size_t typesize, int flags)
-+{
-+ struct harray *harray;
-+ size_t max_elements, size, i, j;
-+
-+ if (!max_malloc_size)
-+ init_max_malloc_size();
-+
-+ if (typesize > max_malloc_size)
-+ return NULL;
-+
-+ max_elements = max_malloc_size/typesize;
-+ size = hashsize/max_elements;
-+ if (hashsize % max_elements)
-+ size++;
-+
-+ /* Last pointer signals end of arrays */
-+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *),
-+ flags);
-+
-+ if (!harray)
-+ return NULL;
-+
-+ for (i = 0; i < size - 1; i++) {
-+ harray->arrays[i] = kmalloc(max_elements * typesize, flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, max_elements * typesize);
-+ }
-+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize,
-+ flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize);
-+
-+ harray->max_elements = max_elements;
-+ harray->arrays[size] = NULL;
-+
-+ return (void *)harray;
-+
-+ undo:
-+ for (j = 0; j < i; j++) {
-+ kfree(harray->arrays[j]);
-+ }
-+ kfree(harray);
-+ return NULL;
-+}
-+
-+static inline void harray_free(void *h)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i] != NULL; i++)
-+ kfree(harray->arrays[i]);
-+ kfree(harray);
-+}
-+
-+static inline void harray_flush(void *h, size_t hashsize, size_t typesize)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i+1] != NULL; i++)
-+ memset(harray->arrays[i], 0, harray->max_elements * typesize);
-+ memset(harray->arrays[i], 0,
-+ (hashsize - i * harray->max_elements) * typesize);
-+}
-+
-+#define HARRAY_ELEM(h, type, which) \
-+({ \
-+ struct harray *__h = (struct harray *)(h); \
-+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \
-+ + (which)%(__h)->max_elements); \
-+})
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_MALLOC_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h
-@@ -0,0 +1,55 @@
-+#ifndef __IP_SET_NETHASH_H
-+#define __IP_SET_NETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "nethash"
-+#define MAX_RANGE 0x0000FFFF
-+
-+struct ip_set_nethash {
-+ ip_set_ip_t *members; /* the nethash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ unsigned char cidr[30]; /* CIDR sizes */
-+ void *initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_nethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+};
-+
-+struct ip_set_req_nethash {
-+ ip_set_ip_t ip;
-+ unsigned char cidr;
-+};
-+
-+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1};
-+
-+static inline ip_set_ip_t
-+pack(ip_set_ip_t ip, unsigned char cidr)
-+{
-+ ip_set_ip_t addr, *paddr = &addr;
-+ unsigned char n, t, *a;
-+
-+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr))));
-+#ifdef __KERNEL__
-+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr);
-+#endif
-+ n = cidr / 8;
-+ t = cidr % 8;
-+ a = &((unsigned char *)paddr)[n];
-+ *a = *a /(1 << (8 - t)) + shifts[t];
-+#ifdef __KERNEL__
-+ DP("n: %u, t: %u, a: %u", n, t, *a);
-+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u",
-+ HIPQUAD(ip), cidr, NIPQUAD(addr));
-+#endif
-+
-+ return ntohl(addr);
-+}
-+
-+#endif /* __IP_SET_NETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h
-@@ -0,0 +1,25 @@
-+#ifndef __IP_SET_PORTMAP_H
-+#define __IP_SET_PORTMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "portmap"
-+#define MAX_RANGE 0x0000FFFF
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+struct ip_set_portmap {
-+ void *members; /* the portmap proper */
-+ ip_set_ip_t first_port; /* host byte order, included in range */
-+ ip_set_ip_t last_port; /* host byte order, included in range */
-+};
-+
-+struct ip_set_req_portmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_portmap {
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_PORTMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_set.h
-@@ -0,0 +1,21 @@
-+#ifndef _IPT_SET_H
-+#define _IPT_SET_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+struct ipt_set_info {
-+ ip_set_id_t index;
-+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
-+};
-+
-+/* match info */
-+struct ipt_set_info_match {
-+ struct ipt_set_info match_set;
-+};
-+
-+struct ipt_set_info_target {
-+ struct ipt_set_info add_set;
-+ struct ipt_set_info del_set;
-+};
-+
-+#endif /*_IPT_SET_H*/
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set.c
-@@ -0,0 +1,2003 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module for IP set management */
-+
-+#include <linux/version.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+#include <linux/config.h>
-+#endif
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/kmod.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/random.h>
-+#include <linux/jhash.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <asm/semaphore.h>
-+#include <linux/spinlock.h>
-+#include <linux/vmalloc.h>
-+
-+#define ASSERT_READ_LOCK(x)
-+#define ASSERT_WRITE_LOCK(x)
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+static struct list_head set_type_list; /* all registered sets */
-+static struct ip_set **ip_set_list; /* all individual sets */
-+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */
-+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */
-+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX;
-+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE;
-+static struct list_head *ip_set_hash; /* hash of bindings */
-+static unsigned int ip_set_hash_random; /* random seed */
-+
-+/*
-+ * Sets are identified either by the index in ip_set_list or by id.
-+ * The id never changes and is used to find a key in the hash.
-+ * The index may change by swapping and used at all other places
-+ * (set/SET netfilter modules, binding value, etc.)
-+ *
-+ * Userspace requests are serialized by ip_set_mutex and sets can
-+ * be deleted only from userspace. Therefore ip_set_list locking
-+ * must obey the following rules:
-+ *
-+ * - kernel requests: read and write locking mandatory
-+ * - user requests: read locking optional, write locking mandatory
-+ */
-+
-+static inline void
-+__ip_set_get(ip_set_id_t index)
-+{
-+ atomic_inc(&ip_set_list[index]->ref);
-+}
-+
-+static inline void
-+__ip_set_put(ip_set_id_t index)
-+{
-+ atomic_dec(&ip_set_list[index]->ref);
-+}
-+
-+/*
-+ * Binding routines
-+ */
-+
-+static inline struct ip_set_hash *
-+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ struct ip_set_hash *set_hash;
-+
-+ list_for_each_entry(set_hash, &ip_set_hash[key], list)
-+ if (set_hash->id == id && set_hash->ip == ip)
-+ return set_hash;
-+
-+ return NULL;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ ASSERT_READ_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+
-+ set_hash = __ip_set_find(key, id, ip);
-+
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID);
-+}
-+
-+static inline void
-+__set_hash_del(struct ip_set_hash *set_hash)
-+{
-+ ASSERT_WRITE_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+
-+ __ip_set_put(set_hash->binding);
-+ list_del(&set_hash->list);
-+ kfree(set_hash);
-+}
-+
-+static int
-+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ if (set_hash != NULL)
-+ __set_hash_del(set_hash);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+static int
-+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+ int ret = 0;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ IP_SET_ASSERT(ip_set_list[binding]);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip), ip_set_list[binding]->name);
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ if (!set_hash) {
-+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC);
-+ if (!set_hash) {
-+ ret = -ENOMEM;
-+ goto unlock;
-+ }
-+ INIT_LIST_HEAD(&set_hash->list);
-+ set_hash->id = id;
-+ set_hash->ip = ip;
-+ list_add(&set_hash->list, &ip_set_hash[key]);
-+ } else {
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+ DP("overwrite binding: %s",
-+ ip_set_list[set_hash->binding]->name);
-+ __ip_set_put(set_hash->binding);
-+ }
-+ set_hash->binding = binding;
-+ __ip_set_get(set_hash->binding);
-+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)",
-+ key, id, ip_set_list[id]->name,
-+ HIPQUAD(ip), binding, ip_set_list[binding]->name);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+#define FOREACH_HASH_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash; \
-+ \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+#define FOREACH_HASH_RW_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash, *__n; \
-+ \
-+ ASSERT_WRITE_LOCK(&ip_set_lock); \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+/* Add, del and test set entries from kernel */
-+
-+#define follow_bindings(index, set, ip) \
-+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \
-+ || (index = (set)->binding) != IP_SET_INVALID_ID)
-+
-+int
-+ip_set_testip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip_kernel(set, skb, &ip, flags, i++);
-+ read_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while (res > 0
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return res;
-+}
-+
-+void
-+ip_set_addip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ retry:
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ if (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0)
-+ goto retry;
-+}
-+
-+void
-+ip_set_delip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+}
-+
-+/* Register and deregister settype */
-+
-+static inline struct ip_set_type *
-+find_set_type(const char *name)
-+{
-+ struct ip_set_type *set_type;
-+
-+ list_for_each_entry(set_type, &set_type_list, list)
-+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1))
-+ return set_type;
-+ return NULL;
-+}
-+
-+int
-+ip_set_register_set_type(struct ip_set_type *set_type)
-+{
-+ int ret = 0;
-+
-+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) {
-+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)",
-+ set_type->typename,
-+ set_type->protocol_version,
-+ IP_SET_PROTOCOL_VERSION);
-+ return -EINVAL;
-+ }
-+
-+ write_lock_bh(&ip_set_lock);
-+ if (find_set_type(set_type->typename)) {
-+ /* Duplicate! */
-+ ip_set_printk("'%s' already registered!",
-+ set_type->typename);
-+ ret = -EINVAL;
-+ goto unlock;
-+ }
-+ if (!try_module_get(THIS_MODULE)) {
-+ ret = -EFAULT;
-+ goto unlock;
-+ }
-+ list_add(&set_type->list, &set_type_list);
-+ DP("'%s' registered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+void
-+ip_set_unregister_set_type(struct ip_set_type *set_type)
-+{
-+ write_lock_bh(&ip_set_lock);
-+ if (!find_set_type(set_type->typename)) {
-+ ip_set_printk("'%s' not registered?",
-+ set_type->typename);
-+ goto unlock;
-+ }
-+ list_del(&set_type->list);
-+ module_put(THIS_MODULE);
-+ DP("'%s' unregistered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+
-+}
-+
-+/*
-+ * Userspace routines
-+ */
-+
-+/*
-+ * Find set by name, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ down(&ip_set_app_mutex);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && strcmp(ip_set_list[i]->name, name) == 0) {
-+ __ip_set_get(i);
-+ index = i;
-+ break;
-+ }
-+ }
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find set by index, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+
-+ if (index >= ip_set_max)
-+ return IP_SET_INVALID_ID;
-+
-+ if (ip_set_list[index])
-+ __ip_set_get(index);
-+ else
-+ index = IP_SET_INVALID_ID;
-+
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * If the given set pointer points to a valid set, decrement
-+ * reference count by 1. The caller shall not assume the index
-+ * to be valid, after calling this function.
-+ */
-+void ip_set_put(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+ up(&ip_set_app_mutex);
-+}
-+
-+/* Find a set by name or index */
-+static ip_set_id_t
-+ip_set_find_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && strcmp(ip_set_list[i]->name, name) == 0) {
-+ index = i;
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_byindex(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || ip_set_list[index] == NULL)
-+ index = IP_SET_INVALID_ID;
-+
-+ return index;
-+}
-+
-+/*
-+ * Add, del, test, bind and unbind
-+ */
-+
-+static inline int
-+__ip_set_testip(struct ip_set *set,
-+ const void *data,
-+ size_t size,
-+ ip_set_ip_t *ip)
-+{
-+ int res;
-+
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip(set, data, size, ip);
-+ read_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+__ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ do {
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip(set, data, size, &ip);
-+ write_unlock_bh(&set->lock);
-+ } while (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+
-+ return __ip_set_addip(index,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt));
-+}
-+
-+static int
-+ip_set_delip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+ write_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+
-+ return (res > 0 ? -EEXIST : res);
-+}
-+
-+static int
-+ip_set_bindip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = (struct ip_set_req_bind *) data;
-+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
-+ /* Default binding of a set */
-+ char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = (char *)(data + sizeof(struct ip_set_req_bind));
-+ binding_name[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets as binding values are referenced */
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ set->binding = binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = ip_set_hash_add(set->id, ip, binding);
-+
-+ return res;
-+}
-+
-+#define FOREACH_SET_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __i; \
-+ struct ip_set *__set; \
-+ \
-+ for (__i = 0; __i < ip_set_max; __i++) { \
-+ __set = ip_set_list[__i]; \
-+ if (__set != NULL) \
-+ fn(__set , ##args); \
-+ } \
-+})
-+
-+static inline void
-+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id)
-+{
-+ if (set_hash->id == id)
-+ __set_hash_del(set_hash);
-+}
-+
-+static inline void
-+__unbind_default(struct ip_set *set)
-+{
-+ if (set->binding != IP_SET_INVALID_ID) {
-+ /* Sets as binding values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static int
-+ip_set_unbindip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set;
-+ struct ip_set_req_bind *req_bind;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ DP("");
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = (struct ip_set_req_bind *) data;
-+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ DP("%u %s", index, req_bind->binding);
-+ if (index == IP_SET_INVALID_ID) {
-+ /* unbind :all: */
-+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
-+ /* Default binding of sets */
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_SET_DO(__unbind_default);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ } else if (strcmp(req_bind->binding, IPSET_TOKEN_ALL) == 0) {
-+ /* Flush all bindings of all sets*/
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+ DP("unreachable reached!");
-+ return -EINVAL;
-+ }
-+
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
-+ /* Default binding of set */
-+ ip_set_id_t binding = ip_set_find_byindex(set->binding);
-+
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets in hash values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ } else if (strcmp(req_bind->binding, IPSET_TOKEN_ALL) == 0) {
-+ /* Flush all bindings */
-+
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+
-+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip));
-+ if (res >= 0)
-+ res = ip_set_hash_del(set->id, ip);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testbind(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = (struct ip_set_req_bind *) data;
-+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
-+ /* Default binding of set */
-+ char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = (char *)(data + sizeof(struct ip_set_req_bind));
-+ binding_name[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = (set->binding == binding) ? -EEXIST : 0;
-+
-+ return res;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = (ip_set_find_in_hash(set->id, ip) == binding)
-+ ? -EEXIST : 0;
-+
-+ return res;
-+}
-+
-+static struct ip_set_type *
-+find_set_type_rlock(const char *typename)
-+{
-+ struct ip_set_type *type;
-+
-+ read_lock_bh(&ip_set_lock);
-+ type = find_set_type(typename);
-+ if (type == NULL)
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return type;
-+}
-+
-+static int
-+find_free_id(const char *name,
-+ ip_set_id_t *index,
-+ ip_set_id_t *id)
-+{
-+ ip_set_id_t i;
-+
-+ *id = IP_SET_INVALID_ID;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL) {
-+ if (*id == IP_SET_INVALID_ID)
-+ *id = *index = i;
-+ } else if (strcmp(name, ip_set_list[i]->name) == 0)
-+ /* Name clash */
-+ return -EEXIST;
-+ }
-+ if (*id == IP_SET_INVALID_ID)
-+ /* No free slot remained */
-+ return -ERANGE;
-+ /* Check that index is usable as id (swapping) */
-+ check:
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && ip_set_list[i]->id == *id) {
-+ *id = i;
-+ goto check;
-+ }
-+ }
-+ return 0;
-+}
-+
-+/*
-+ * Create a set
-+ */
-+static int
-+ip_set_create(const char *name,
-+ const char *typename,
-+ ip_set_id_t restore,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set;
-+ ip_set_id_t index = 0, id;
-+ int res = 0;
-+
-+ DP("setname: %s, typename: %s, id: %u", name, typename, restore);
-+ /*
-+ * First, and without any locks, allocate and initialize
-+ * a normal base set structure.
-+ */
-+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL);
-+ if (!set)
-+ return -ENOMEM;
-+ set->lock = RW_LOCK_UNLOCKED;
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ set->binding = IP_SET_INVALID_ID;
-+ atomic_set(&set->ref, 0);
-+
-+ /*
-+ * Next, take the &ip_set_lock, check that we know the type,
-+ * and take a reference on the type, to make sure it
-+ * stays available while constructing our new set.
-+ *
-+ * After referencing the type, we drop the &ip_set_lock,
-+ * and let the new set construction run without locks.
-+ */
-+ set->type = find_set_type_rlock(typename);
-+ if (set->type == NULL) {
-+ /* Try loading the module */
-+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1];
-+ strcpy(modulename, "ip_set_");
-+ strcat(modulename, typename);
-+ DP("try to load %s", modulename);
-+ request_module(modulename);
-+ set->type = find_set_type_rlock(typename);
-+ }
-+ if (set->type == NULL) {
-+ ip_set_printk("no set type '%s', set '%s' not created",
-+ typename, name);
-+ res = -ENOENT;
-+ goto out;
-+ }
-+ if (!try_module_get(set->type->me)) {
-+ read_unlock_bh(&ip_set_lock);
-+ res = -EFAULT;
-+ goto out;
-+ }
-+ read_unlock_bh(&ip_set_lock);
-+
-+ /*
-+ * Without holding any locks, create private part.
-+ */
-+ res = set->type->create(set, data, size);
-+ if (res != 0)
-+ goto put_out;
-+
-+ /* BTW, res==0 here. */
-+
-+ /*
-+ * Here, we have a valid, constructed set. &ip_set_lock again,
-+ * find free id/index and check that it is not already in
-+ * ip_set_list.
-+ */
-+ write_lock_bh(&ip_set_lock);
-+ if ((res = find_free_id(set->name, &index, &id)) != 0) {
-+ DP("no free id!");
-+ goto cleanup;
-+ }
-+
-+ /* Make sure restore gets the same index */
-+ if (restore != IP_SET_INVALID_ID && index != restore) {
-+ DP("Can't restore, sets are screwed up");
-+ res = -ERANGE;
-+ goto cleanup;
-+ }
-+
-+ /*
-+ * Finally! Add our shiny new set to the list, and be done.
-+ */
-+ DP("create: '%s' created with index %u, id %u!", set->name, index, id);
-+ set->id = id;
-+ ip_set_list[index] = set;
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+
-+ cleanup:
-+ write_unlock_bh(&ip_set_lock);
-+ set->type->destroy(set);
-+ put_out:
-+ module_put(set->type->me);
-+ out:
-+ kfree(set);
-+ return res;
-+}
-+
-+/*
-+ * Destroy a given existing set
-+ */
-+static void
-+ip_set_destroy_set(ip_set_id_t index)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+ DP("set: %s", set->name);
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ ip_set_list[index] = NULL;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ /* Must call it without holding any lock */
-+ set->type->destroy(set);
-+ module_put(set->type->me);
-+ kfree(set);
-+}
-+
-+/*
-+ * Destroy a set - or all sets
-+ * Sets must not be referenced/used.
-+ */
-+static int
-+ip_set_destroy(ip_set_id_t index)
-+{
-+ ip_set_id_t i;
-+
-+ /* ref modification always protected by the mutex */
-+ if (index != IP_SET_INVALID_ID) {
-+ if (atomic_read(&ip_set_list[index]->ref))
-+ return -EBUSY;
-+ ip_set_destroy_set(index);
-+ } else {
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && (atomic_read(&ip_set_list[i]->ref)))
-+ return -EBUSY;
-+ }
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ ip_set_destroy_set(i);
-+ }
-+ }
-+ return 0;
-+}
-+
-+static void
-+ip_set_flush_set(struct ip_set *set)
-+{
-+ DP("set: %s %u", set->name, set->id);
-+
-+ write_lock_bh(&set->lock);
-+ set->type->flush(set);
-+ write_unlock_bh(&set->lock);
-+}
-+
-+/*
-+ * Flush data in a set - or in all sets
-+ */
-+static int
-+ip_set_flush(ip_set_id_t index)
-+{
-+ if (index != IP_SET_INVALID_ID) {
-+ IP_SET_ASSERT(ip_set_list[index]);
-+ ip_set_flush_set(ip_set_list[index]);
-+ } else
-+ FOREACH_SET_DO(ip_set_flush_set);
-+
-+ return 0;
-+}
-+
-+/* Rename a set */
-+static int
-+ip_set_rename(ip_set_id_t index, const char *name)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_id_t i;
-+ int res = 0;
-+
-+ DP("set: %s to %s", set->name, name);
-+ write_lock_bh(&ip_set_lock);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && strncmp(ip_set_list[i]->name,
-+ name,
-+ IP_SET_MAXNAMELEN - 1) == 0) {
-+ res = -EEXIST;
-+ goto unlock;
-+ }
-+ }
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+}
-+
-+/*
-+ * Swap two sets so that name/index points to the other.
-+ * References are also swapped.
-+ */
-+static int
-+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index)
-+{
-+ struct ip_set *from = ip_set_list[from_index];
-+ struct ip_set *to = ip_set_list[to_index];
-+ char from_name[IP_SET_MAXNAMELEN];
-+ u_int32_t from_ref;
-+
-+ DP("set: %s to %s", from->name, to->name);
-+ /* Features must not change. Artifical restriction. */
-+ if (from->type->features != to->type->features)
-+ return -ENOEXEC;
-+
-+ /* No magic here: ref munging protected by the mutex */
-+ write_lock_bh(&ip_set_lock);
-+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN);
-+ from_ref = atomic_read(&from->ref);
-+
-+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN);
-+ atomic_set(&from->ref, atomic_read(&to->ref));
-+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN);
-+ atomic_set(&to->ref, from_ref);
-+
-+ ip_set_list[from_index] = to;
-+ ip_set_list[to_index] = from;
-+
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+/*
-+ * List set data
-+ */
-+
-+static inline void
-+__set_hash_bindings_size_list(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, size_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_list);
-+}
-+
-+static inline void
-+__set_hash_bindings_size_save(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, size_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_save);
-+}
-+
-+static inline void
-+__set_hash_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, void *data, int *used)
-+{
-+ if (set_hash->id == id) {
-+ struct ip_set_hash_list *hash_list =
-+ (struct ip_set_hash_list *)(data + *used);
-+
-+ hash_list->ip = set_hash->ip;
-+ hash_list->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_list);
-+ }
-+}
-+
-+static int ip_set_list_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_list *set_list;
-+
-+ /* Pointer to our header */
-+ set_list = (struct ip_set_list *) (data + *used);
-+
-+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_list) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_list);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_list->header_size = set->type->header_size;
-+ if (*used + set_list->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_list->index = index;
-+ set_list->binding = set->binding;
-+ set_list->ref = atomic_read(&set->ref);
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_list->header_size;
-+
-+ /* Get and ensure set specific members size */
-+ set_list->members_size = set->type->list_members_size(set);
-+ if (*used + set_list->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_list->members_size;
-+ read_unlock_bh(&set->lock);
-+
-+ /* Bindings */
-+
-+ /* Get and ensure set specific bindings size */
-+ set_list->bindings_size = 0;
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &set_list->bindings_size);
-+ if (*used + set_list->bindings_size > len)
-+ goto not_enough_mem;
-+
-+ /* Fill in set spefific bindings data */
-+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used);
-+
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+/*
-+ * Save sets
-+ */
-+static int ip_set_save_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set;
-+ struct ip_set_save *set_save;
-+
-+ /* Pointer to our header */
-+ set_save = (struct ip_set_save *) (data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_save);
-+
-+ set = ip_set_list[index];
-+ DP("set: %s, used: %u(%u) %p %p", set->name, *used, len,
-+ data, data + *used);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_save->header_size = set->type->header_size;
-+ if (*used + set_save->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_save->index = index;
-+ set_save->binding = set->binding;
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_save->header_size;
-+
-+ DP("set header filled: %s, used: %u(%u) %p %p", set->name, *used,
-+ set_save->header_size, data, data + *used);
-+ /* Get and ensure set specific members size */
-+ set_save->members_size = set->type->list_members_size(set);
-+ if (*used + set_save->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_save->members_size;
-+ read_unlock_bh(&set->lock);
-+ DP("set members filled: %s, used: %u(%u) %p %p", set->name, *used,
-+ set_save->members_size, data, data + *used);
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+static inline void
-+__set_hash_save_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id,
-+ void *data,
-+ int *used,
-+ int len,
-+ int *res)
-+{
-+ if (*res == 0
-+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) {
-+ struct ip_set_hash_save *hash_save =
-+ (struct ip_set_hash_save *)(data + *used);
-+ /* Ensure bindings size */
-+ if (*used + sizeof(struct ip_set_hash_save) > len) {
-+ *res = -ENOMEM;
-+ return;
-+ }
-+ hash_save->id = set_hash->id;
-+ hash_save->ip = set_hash->ip;
-+ hash_save->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_save);
-+ }
-+}
-+
-+static int ip_set_save_bindings(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ int res = 0;
-+ struct ip_set_save *set_save;
-+
-+ DP("used %u, len %u", *used, len);
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ return -ENOMEM;
-+
-+ /* Marker */
-+ set_save = (struct ip_set_save *) (data + *used);
-+ set_save->index = IP_SET_INVALID_ID;
-+ set_save->header_size = 0;
-+ set_save->members_size = 0;
-+ *used += sizeof(struct ip_set_save);
-+
-+ DP("marker added used %u, len %u", *used, len);
-+ /* Fill in bindings data */
-+ if (index != IP_SET_INVALID_ID)
-+ /* Sets are identified by id in hash */
-+ index = ip_set_list[index]->id;
-+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res);
-+
-+ return res;
-+}
-+
-+/*
-+ * Restore sets
-+ */
-+static int ip_set_restore(void *data,
-+ int len)
-+{
-+ int res = 0;
-+ int line = 0, used = 0, members_size;
-+ struct ip_set *set;
-+ struct ip_set_hash_save *hash_save;
-+ struct ip_set_restore *set_restore;
-+ ip_set_id_t index;
-+
-+ /* Loop to restore sets */
-+ while (1) {
-+ line++;
-+
-+ DP("%u %u %u", used, sizeof(struct ip_set_restore), len);
-+ /* Get and ensure header size */
-+ if (used + sizeof(struct ip_set_restore) > len)
-+ return line;
-+ set_restore = (struct ip_set_restore *) (data + used);
-+ used += sizeof(struct ip_set_restore);
-+
-+ /* Ensure data size */
-+ if (used
-+ + set_restore->header_size
-+ + set_restore->members_size > len)
-+ return line;
-+
-+ /* Check marker */
-+ if (set_restore->index == IP_SET_INVALID_ID) {
-+ line--;
-+ goto bindings;
-+ }
-+
-+ /* Try to create the set */
-+ DP("restore %s %s", set_restore->name, set_restore->typename);
-+ res = ip_set_create(set_restore->name,
-+ set_restore->typename,
-+ set_restore->index,
-+ data + used,
-+ set_restore->header_size);
-+
-+ if (res != 0)
-+ return line;
-+ used += set_restore->header_size;
-+
-+ index = ip_set_find_byindex(set_restore->index);
-+ DP("index %u, restore_index %u", index, set_restore->index);
-+ if (index != set_restore->index)
-+ return line;
-+ /* Try to restore members data */
-+ set = ip_set_list[index];
-+ members_size = 0;
-+ DP("members_size %u reqsize %u",
-+ set_restore->members_size, set->type->reqsize);
-+ while (members_size + set->type->reqsize <=
-+ set_restore->members_size) {
-+ line++;
-+ DP("members: %u, line %u", members_size, line);
-+ res = __ip_set_addip(index,
-+ data + used + members_size,
-+ set->type->reqsize);
-+ if (!(res == 0 || res == -EEXIST))
-+ return line;
-+ members_size += set->type->reqsize;
-+ }
-+
-+ DP("members_size %u %u",
-+ set_restore->members_size, members_size);
-+ if (members_size != set_restore->members_size)
-+ return line++;
-+ used += set_restore->members_size;
-+ }
-+
-+ bindings:
-+ /* Loop to restore bindings */
-+ while (used < len) {
-+ line++;
-+
-+ DP("restore binding, line %u", line);
-+ /* Get and ensure size */
-+ if (used + sizeof(struct ip_set_hash_save) > len)
-+ return line;
-+ hash_save = (struct ip_set_hash_save *) (data + used);
-+ used += sizeof(struct ip_set_hash_save);
-+
-+ /* hash_save->id is used to store the index */
-+ index = ip_set_find_byindex(hash_save->id);
-+ DP("restore binding index %u, id %u, %u -> %u",
-+ index, hash_save->id, hash_save->ip, hash_save->binding);
-+ if (index != hash_save->id)
-+ return line;
-+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) {
-+ DP("corrupt binding set index %u", hash_save->binding);
-+ return line;
-+ }
-+ set = ip_set_list[hash_save->id];
-+ /* Null valued IP means default binding */
-+ if (hash_save->ip)
-+ res = ip_set_hash_add(set->id,
-+ hash_save->ip,
-+ hash_save->binding);
-+ else {
-+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID);
-+ write_lock_bh(&ip_set_lock);
-+ set->binding = hash_save->binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+ DP("default binding: %u", set->binding);
-+ }
-+ if (res != 0)
-+ return line;
-+ }
-+ if (used != len)
-+ return line;
-+
-+ return 0;
-+}
-+
-+static int
-+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len)
-+{
-+ void *data;
-+ int res = 0; /* Assume OK */
-+ unsigned *op;
-+ struct ip_set_req_adt *req_adt;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ int (*adtfn)(ip_set_id_t index,
-+ const void *data, size_t size);
-+ struct fn_table {
-+ int (*fn)(ip_set_id_t index,
-+ const void *data, size_t size);
-+ } adtfn_table[] =
-+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip},
-+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind },
-+ };
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (len <= sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >%zu, got %u)",
-+ sizeof(unsigned), len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(len);
-+ if (!data) {
-+ DP("out of mem for %u bytes", len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *)data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version =
-+ (struct ip_set_req_version *) data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_CREATE:{
-+ struct ip_set_req_create *req_create
-+ = (struct ip_set_req_create *) data;
-+
-+ if (len < sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("short CREATE data (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+ res = ip_set_create(req_create->name,
-+ req_create->typename,
-+ IP_SET_INVALID_ID,
-+ data + sizeof(struct ip_set_req_create),
-+ len - sizeof(struct ip_set_req_create));
-+ goto done;
-+ }
-+ case IP_SET_OP_DESTROY:{
-+ struct ip_set_req_std *req_destroy
-+ = (struct ip_set_req_std *) data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid DESTROY data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (strcmp(req_destroy->name, IPSET_TOKEN_ALL) == 0) {
-+ /* Destroy all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_destroy->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+
-+ res = ip_set_destroy(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_FLUSH:{
-+ struct ip_set_req_std *req_flush =
-+ (struct ip_set_req_std *) data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid FLUSH data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (strcmp(req_flush->name, IPSET_TOKEN_ALL) == 0) {
-+ /* Flush all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_flush->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = ip_set_flush(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_RENAME:{
-+ struct ip_set_req_create *req_rename
-+ = (struct ip_set_req_create *) data;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid RENAME data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_rename->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_rename(index, req_rename->typename);
-+ goto done;
-+ }
-+ case IP_SET_OP_SWAP:{
-+ struct ip_set_req_create *req_swap
-+ = (struct ip_set_req_create *) data;
-+ ip_set_id_t to_index;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid SWAP data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_swap->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ to_index = ip_set_find_byname(req_swap->typename);
-+ if (to_index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_swap(index, to_index);
-+ goto done;
-+ }
-+ default:
-+ break; /* Set identified by id */
-+ }
-+
-+ /* There we may have add/del/test/bind/unbind/test_bind operations */
-+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) {
-+ res = -EBADMSG;
-+ goto done;
-+ }
-+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn;
-+
-+ if (len < sizeof(struct ip_set_req_adt)) {
-+ ip_set_printk("short data in adt request (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_adt), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_adt = (struct ip_set_req_adt *) data;
-+
-+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */
-+ if (!(*op == IP_SET_OP_UNBIND_SET
-+ && req_adt->index == IP_SET_INVALID_ID)) {
-+ index = ip_set_find_byindex(req_adt->index);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = adtfn(index, data, len);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static int
-+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len)
-+{
-+ int res = 0;
-+ unsigned *op;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ void *data;
-+ int copylen = *len;
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, *len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (*len < sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >=%zu, got %d)",
-+ sizeof(unsigned), *len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(*len);
-+ if (!data) {
-+ DP("out of mem for %d bytes", *len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, *len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *) data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version =
-+ (struct ip_set_req_version *) data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_VERSION: {
-+ struct ip_set_req_version *req_version =
-+ (struct ip_set_req_version *) data;
-+
-+ if (*len != sizeof(struct ip_set_req_version)) {
-+ ip_set_printk("invalid VERSION (want %zu, got %d)",
-+ sizeof(struct ip_set_req_version),
-+ *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_version->version = IP_SET_PROTOCOL_VERSION;
-+ res = copy_to_user(user, req_version,
-+ sizeof(struct ip_set_req_version));
-+ goto done;
-+ }
-+ case IP_SET_OP_GET_BYNAME: {
-+ struct ip_set_req_get_set *req_get
-+ = (struct ip_set_req_get_set *) data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ req_get->set.index = index;
-+ goto copy;
-+ }
-+ case IP_SET_OP_GET_BYINDEX: {
-+ struct ip_set_req_get_set *req_get
-+ = (struct ip_set_req_get_set *) data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byindex(req_get->set.index);
-+ strncpy(req_get->set.name,
-+ index == IP_SET_INVALID_ID ? ""
-+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN);
-+ goto copy;
-+ }
-+ case IP_SET_OP_ADT_GET: {
-+ struct ip_set_req_adt_get *req_get
-+ = (struct ip_set_req_adt_get *) data;
-+
-+ if (*len != sizeof(struct ip_set_req_adt_get)) {
-+ ip_set_printk("invalid ADT_GET (want %zu, got %d)",
-+ sizeof(struct ip_set_req_adt_get), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ if (index != IP_SET_INVALID_ID) {
-+ req_get->set.index = index;
-+ strncpy(req_get->typename,
-+ ip_set_list[index]->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ } else {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_MAX_SETS: {
-+ struct ip_set_req_max_sets *req_max_sets
-+ = (struct ip_set_req_max_sets *) data;
-+ ip_set_id_t i;
-+
-+ if (*len != sizeof(struct ip_set_req_max_sets)) {
-+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)",
-+ sizeof(struct ip_set_req_max_sets), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ if (strcmp(req_max_sets->set.name, IPSET_TOKEN_ALL) == 0) {
-+ req_max_sets->set.index = IP_SET_INVALID_ID;
-+ } else {
-+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_max_sets->set.index =
-+ ip_set_find_byname(req_max_sets->set.name);
-+ if (req_max_sets->set.index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ req_max_sets->max_sets = ip_set_max;
-+ req_max_sets->sets = 0;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ req_max_sets->sets++;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST_SIZE:
-+ case IP_SET_OP_SAVE_SIZE: {
-+ struct ip_set_req_setnames *req_setnames
-+ = (struct ip_set_req_setnames *) data;
-+ struct ip_set_name_list *name_list;
-+ struct ip_set *set;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)) {
-+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_setnames), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_setnames->size = 0;
-+ used = sizeof(struct ip_set_req_setnames);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL)
-+ continue;
-+ name_list = (struct ip_set_name_list *)
-+ (data + used);
-+ used += sizeof(struct ip_set_name_list);
-+ if (used > copylen) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ set = ip_set_list[i];
-+ /* Fill in index, name, etc. */
-+ name_list->index = i;
-+ name_list->id = set->id;
-+ strncpy(name_list->name,
-+ set->name,
-+ IP_SET_MAXNAMELEN - 1);
-+ strncpy(name_list->typename,
-+ set->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ DP("filled %s of type %s, index %u\n",
-+ name_list->name, name_list->typename,
-+ name_list->index);
-+ if (!(req_setnames->index == IP_SET_INVALID_ID
-+ || req_setnames->index == i))
-+ continue;
-+ /* Update size */
-+ switch (*op) {
-+ case IP_SET_OP_LIST_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_list)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ /* Sets are identified by id in the hash */
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ case IP_SET_OP_SAVE_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_save)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ FOREACH_HASH_DO(__set_hash_bindings_size_save,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ default:
-+ break;
-+ }
-+ }
-+ if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST: {
-+ struct ip_set_req_list *req_list
-+ = (struct ip_set_req_list *) data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short LIST (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_list->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* List all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_list_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* List an individual set */
-+ res = ip_set_list_set(index, data, &used, *len);
-+ }
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_SAVE: {
-+ struct ip_set_req_list *req_save
-+ = (struct ip_set_req_list *) data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short SAVE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_save->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* Save all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_save_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* Save an individual set */
-+ res = ip_set_save_set(index, data, &used, *len);
-+ }
-+ if (res == 0)
-+ res = ip_set_save_bindings(index, data, &used, *len);
-+
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_RESTORE: {
-+ struct ip_set_req_setnames *req_restore
-+ = (struct ip_set_req_setnames *) data;
-+ int line;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)
-+ || *len != req_restore->size) {
-+ ip_set_printk("invalid RESTORE (want =%zu, got %d)",
-+ req_restore->size, *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames),
-+ req_restore->size - sizeof(struct ip_set_req_setnames));
-+ DP("ip_set_restore: %u", line);
-+ if (line != 0) {
-+ res = -EAGAIN;
-+ req_restore->size = line;
-+ copylen = sizeof(struct ip_set_req_setnames);
-+ goto copy;
-+ }
-+ goto done;
-+ }
-+ default:
-+ res = -EBADMSG;
-+ goto done;
-+ } /* end of switch(op) */
-+
-+ copy:
-+ DP("set %s, copylen %u", index != IP_SET_INVALID_ID
-+ && ip_set_list[index]
-+ ? ip_set_list[index]->name
-+ : ":all:", copylen);
-+ res = copy_to_user(user, data, copylen);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static struct nf_sockopt_ops so_set = {
-+ .pf = PF_INET,
-+ .set_optmin = SO_IP_SET,
-+ .set_optmax = SO_IP_SET + 1,
-+ .set = &ip_set_sockfn_set,
-+ .get_optmin = SO_IP_SET,
-+ .get_optmax = SO_IP_SET + 1,
-+ .get = &ip_set_sockfn_get,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+ .owner = THIS_MODULE,
-+#endif
-+};
-+
-+static int max_sets, hash_size;
-+module_param(max_sets, int, 0600);
-+MODULE_PARM_DESC(max_sets, "maximal number of sets");
-+module_param(hash_size, int, 0600);
-+MODULE_PARM_DESC(hash_size, "hash size for bindings");
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("module implementing core IP set support");
-+
-+static int __init ip_set_init(void)
-+{
-+ int res;
-+ ip_set_id_t i;
-+
-+ get_random_bytes(&ip_set_hash_random, 4);
-+ if (max_sets)
-+ ip_set_max = max_sets;
-+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max);
-+ if (!ip_set_list) {
-+ printk(KERN_ERR "Unable to create ip_set_list\n");
-+ return -ENOMEM;
-+ }
-+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max);
-+ if (hash_size)
-+ ip_set_bindings_hash_size = hash_size;
-+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size);
-+ if (!ip_set_hash) {
-+ printk(KERN_ERR "Unable to create ip_set_hash\n");
-+ vfree(ip_set_list);
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < ip_set_bindings_hash_size; i++)
-+ INIT_LIST_HEAD(&ip_set_hash[i]);
-+
-+ INIT_LIST_HEAD(&set_type_list);
-+
-+ res = nf_register_sockopt(&so_set);
-+ if (res != 0) {
-+ ip_set_printk("SO_SET registry failed: %d", res);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ return res;
-+ }
-+ return 0;
-+}
-+
-+static void __exit ip_set_fini(void)
-+{
-+ /* There can't be any existing set or binding */
-+ nf_unregister_sockopt(&so_set);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ DP("these are the famous last words");
-+}
-+
-+EXPORT_SYMBOL(ip_set_register_set_type);
-+EXPORT_SYMBOL(ip_set_unregister_set_type);
-+
-+EXPORT_SYMBOL(ip_set_get_byname);
-+EXPORT_SYMBOL(ip_set_get_byindex);
-+EXPORT_SYMBOL(ip_set_put);
-+
-+EXPORT_SYMBOL(ip_set_addip_kernel);
-+EXPORT_SYMBOL(ip_set_delip_kernel);
-+EXPORT_SYMBOL(ip_set_testip_kernel);
-+
-+module_init(ip_set_init);
-+module_exit(ip_set_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iphash.c
-@@ -0,0 +1,429 @@
-+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+#include <linux/jhash.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/vmalloc.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+#include <linux/netfilter_ipv4/ip_set_iphash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+jhash_ip(const struct ip_set_iphash *map, uint16_t i, ip_set_ip_t ip)
-+{
-+ return jhash_1word(ip, *(((uint32_t *) map->initval) + i));
-+}
-+
-+static inline __u32
-+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask));
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut at testing - there can be deleted
-+ * entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ return (ip && hash_id(set, ip, hash_ip) != UINT_MAX);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iphash *req =
-+ (struct ip_set_req_iphash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iphash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iphash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ return __testip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+static inline int
-+__addip(struct ip_set_iphash *map, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ if (!ip || map->elements >= limit)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *hash_ip)
-+ return -EEXIST;
-+ if (!*elem) {
-+ *elem = *hash_ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iphash *req =
-+ (struct ip_set_req_iphash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iphash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iphash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __addip((struct ip_set_iphash *) set->data, req->ip, hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ return __addip((struct ip_set_iphash *) set->data,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+static int retry(struct ip_set *set)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ ip_set_ip_t hash_ip, *elem;
-+ void *members;
-+ u_int32_t i, hashsize = map->hashsize;
-+ int res;
-+ struct ip_set_iphash *tmp;
-+
-+ if (map->resize == 0)
-+ return -ERANGE;
-+
-+ again:
-+ res = 0;
-+
-+ /* Calculate new hash size */
-+ hashsize += (hashsize * map->resize)/100;
-+ if (hashsize == map->hashsize)
-+ hashsize++;
-+
-+ ip_set_printk("rehashing of set %s triggered: "
-+ "hashsize grows from %u to %u",
-+ set->name, map->hashsize, hashsize);
-+
-+ tmp = kmalloc(sizeof(struct ip_set_iphash)
-+ + map->probes * sizeof(uint32_t), GFP_ATOMIC);
-+ if (!tmp) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_iphash)
-+ + map->probes * sizeof(uint32_t));
-+ return -ENOMEM;
-+ }
-+ tmp->members = harray_malloc(hashsize, sizeof(ip_set_ip_t), GFP_ATOMIC);
-+ if (!tmp->members) {
-+ DP("out of memory for %d bytes", hashsize * sizeof(ip_set_ip_t));
-+ kfree(tmp);
-+ return -ENOMEM;
-+ }
-+ tmp->hashsize = hashsize;
-+ tmp->elements = 0;
-+ tmp->probes = map->probes;
-+ tmp->resize = map->resize;
-+ tmp->netmask = map->netmask;
-+ memcpy(tmp->initval, map->initval, map->probes * sizeof(uint32_t));
-+
-+ write_lock_bh(&set->lock);
-+ map = (struct ip_set_iphash *) set->data; /* Play safe */
-+ for (i = 0; i < map->hashsize && res == 0; i++) {
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, i);
-+ if (*elem)
-+ res = __addip(tmp, *elem, &hash_ip);
-+ }
-+ if (res) {
-+ /* Failure, try again */
-+ write_unlock_bh(&set->lock);
-+ harray_free(tmp->members);
-+ kfree(tmp);
-+ goto again;
-+ }
-+
-+ /* Success at resizing! */
-+ members = map->members;
-+
-+ map->hashsize = tmp->hashsize;
-+ map->members = tmp->members;
-+ write_unlock_bh(&set->lock);
-+
-+ harray_free(members);
-+ kfree(tmp);
-+
-+ return 0;
-+}
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ id = hash_id(set, ip, hash_ip);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iphash *req =
-+ (struct ip_set_req_iphash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iphash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iphash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ return __delip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ struct ip_set_req_iphash_create *req =
-+ (struct ip_set_req_iphash_create *) data;
-+ struct ip_set_iphash *map;
-+ uint16_t i;
-+
-+ if (size != sizeof(struct ip_set_req_iphash_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iphash_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ if (req->hashsize < 1) {
-+ ip_set_printk("hashsize too small");
-+ return -ENOEXEC;
-+ }
-+
-+ if (req->probes < 1) {
-+ ip_set_printk("probes too small");
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iphash)
-+ + req->probes * sizeof(uint32_t), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_iphash)
-+ + req->probes * sizeof(uint32_t));
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < req->probes; i++)
-+ get_random_bytes(((uint32_t *) map->initval)+i, 4);
-+ map->elements = 0;
-+ map->hashsize = req->hashsize;
-+ map->probes = req->probes;
-+ map->resize = req->resize;
-+ map->netmask = req->netmask;
-+ map->members = harray_malloc(map->hashsize, sizeof(ip_set_ip_t), GFP_KERNEL);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", map->hashsize * sizeof(ip_set_ip_t));
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+
-+ harray_free(map->members);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ harray_flush(map->members, map->hashsize, sizeof(ip_set_ip_t));
-+ map->elements = 0;
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ struct ip_set_req_iphash_create *header =
-+ (struct ip_set_req_iphash_create *) data;
-+
-+ header->hashsize = map->hashsize;
-+ header->probes = map->probes;
-+ header->resize = map->resize;
-+ header->netmask = map->netmask;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+
-+ return (map->hashsize * sizeof(ip_set_ip_t));
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ ip_set_ip_t i, *elem;
-+
-+ for (i = 0; i < map->hashsize; i++) {
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, i);
-+ ((ip_set_ip_t *)data)[i] = *elem;
-+ }
-+}
-+
-+static struct ip_set_type ip_set_iphash = {
-+ .typename = SETTYPE_NAME,
-+ .features = IPSET_TYPE_IP | IPSET_DATA_SINGLE,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_iphash),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .retry = &retry,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_iphash_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_iphash_init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_iphash);
-+}
-+
-+static void __exit ip_set_iphash_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iphash);
-+}
-+
-+module_init(ip_set_iphash_init);
-+module_exit(ip_set_iphash_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipmap.c
-@@ -0,0 +1,336 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the single bitmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipmap.h>
-+
-+static inline ip_set_ip_t
-+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip)
-+{
-+ return (ip - map->first_ip)/map->hosts;
-+}
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return !!test_bit(ip_to_id(map, *hash_ip), map->members);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipmap *req =
-+ (struct ip_set_req_ipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ int res = __testip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+ return (res < 0 ? 0 : res);
-+}
-+
-+static inline int
-+__addip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipmap *req =
-+ (struct ip_set_req_ipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ DP("%u.%u.%u.%u", HIPQUAD(req->ip));
-+ return __addip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ return __addip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipmap *req =
-+ (struct ip_set_req_ipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ return __delip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ int newbytes;
-+ struct ip_set_req_ipmap_create *req =
-+ (struct ip_set_req_ipmap_create *) data;
-+ struct ip_set_ipmap *map;
-+
-+ if (size != sizeof(struct ip_set_req_ipmap_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipmap_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ DP("from %u.%u.%u.%u to %u.%u.%u.%u",
-+ HIPQUAD(req->from), HIPQUAD(req->to));
-+
-+ if (req->from > req->to) {
-+ DP("bad ip range");
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_ipmap), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_ipmap));
-+ return -ENOMEM;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ map->netmask = req->netmask;
-+
-+ if (req->netmask == 0xFFFFFFFF) {
-+ map->hosts = 1;
-+ map->sizeid = map->last_ip - map->first_ip + 1;
-+ } else {
-+ unsigned int mask_bits, netmask_bits;
-+ ip_set_ip_t mask;
-+
-+ map->first_ip &= map->netmask; /* Should we better bark? */
-+
-+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits);
-+ netmask_bits = mask_to_bits(map->netmask);
-+
-+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF))
-+ || netmask_bits <= mask_bits)
-+ return -ENOEXEC;
-+
-+ DP("mask_bits %u, netmask_bits %u",
-+ mask_bits, netmask_bits);
-+ map->hosts = 2 << (32 - netmask_bits - 1);
-+ map->sizeid = 2 << (netmask_bits - mask_bits - 1);
-+ }
-+ if (map->sizeid > MAX_RANGE + 1) {
-+ ip_set_printk("range too big (max %d addresses)",
-+ MAX_RANGE+1);
-+ kfree(map);
-+ return -ENOEXEC;
-+ }
-+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid);
-+ newbytes = bitmap_bytes(0, map->sizeid - 1);
-+ map->members = kmalloc(newbytes, GFP_KERNEL);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+ memset(map->members, 0, newbytes);
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ kfree(map->members);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+ memset(map->members, 0, bitmap_bytes(0, map->sizeid - 1));
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+ struct ip_set_req_ipmap_create *header =
-+ (struct ip_set_req_ipmap_create *) data;
-+
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+ header->netmask = map->netmask;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ return bitmap_bytes(0, map->sizeid - 1);
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+ int bytes = bitmap_bytes(0, map->sizeid - 1);
-+
-+ memcpy(data, map->members, bytes);
-+}
-+
-+static struct ip_set_type ip_set_ipmap = {
-+ .typename = SETTYPE_NAME,
-+ .features = IPSET_TYPE_IP | IPSET_DATA_SINGLE,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_ipmap),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_ipmap_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipmap type of IP sets");
-+
-+static int __init ip_set_ipmap_init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_ipmap);
-+}
-+
-+static void __exit ip_set_ipmap_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_ipmap);
-+}
-+
-+module_init(ip_set_ipmap_init);
-+module_exit(ip_set_ipmap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipporthash.c
-@@ -0,0 +1,581 @@
-+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port hash set */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+#include <linux/jhash.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/vmalloc.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+#include <linux/netfilter_ipv4/ip_set_ipporthash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+/* We must handle non-linear skbs */
-+static inline ip_set_ip_t
-+get_port(const struct sk_buff *skb, u_int32_t flags)
-+{
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ struct iphdr *iph = ip_hdr(skb);
-+#else
-+ struct iphdr *iph = skb->nh.iph;
-+#endif
-+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
-+
-+ switch (iph->protocol) {
-+ case IPPROTO_TCP: {
-+ struct tcphdr tcph;
-+
-+ /* See comments at tcp_match in ip_tables.c */
-+ if (offset)
-+ return INVALID_PORT;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0)
-+#else
-+ if (skb_copy_bits(skb, skb->nh.iph->ihl*4, &tcph, sizeof(tcph)) < 0)
-+#endif
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ tcph.source : tcph.dest);
-+ }
-+ case IPPROTO_UDP: {
-+ struct udphdr udph;
-+
-+ if (offset)
-+ return INVALID_PORT;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0)
-+#else
-+ if (skb_copy_bits(skb, skb->nh.iph->ihl*4, &udph, sizeof(udph)) < 0)
-+#endif
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ udph.source : udph.dest);
-+ }
-+ default:
-+ return INVALID_PORT;
-+ }
-+}
-+
-+static inline __u32
-+jhash_ip(const struct ip_set_ipporthash *map, uint16_t i, ip_set_ip_t ip)
-+{
-+ return jhash_1word(ip, *(((uint32_t *) map->initval) + i));
-+}
-+
-+#define HASH_IP(map, ip, port) (port + ((ip - ((map)->first_ip)) << 16))
-+
-+static inline __u32
-+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipporthash *map =
-+ (struct ip_set_ipporthash *) set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = HASH_IP(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut at testing - there can be deleted
-+ * entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipporthash *map = (struct ip_set_ipporthash *) set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (hash_id(set, ip, port, hash_ip) != UINT_MAX);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipporthash *req =
-+ (struct ip_set_req_ipporthash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipporthash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipporthash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testip(set, req->ip, req->port, hash_ip);
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ ip_set_ip_t port;
-+ int res;
-+
-+ if (flags[index+1] == 0)
-+ return 0;
-+
-+ port = get_port(skb, flags[index+1]);
-+
-+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
-+ flags[index] & IPSET_SRC ? "SRC" : "DST",
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ NIPQUAD(ip_hdr(skb)->saddr),
-+ NIPQUAD(ip_hdr(skb)->daddr));
-+#else
-+ NIPQUAD(skb->nh.iph->saddr),
-+ NIPQUAD(skb->nh.iph->daddr));
-+#endif
-+ DP("flag %s port %u",
-+ flags[index+1] & IPSET_SRC ? "SRC" : "DST",
-+ port);
-+ if (port == INVALID_PORT)
-+ return 0;
-+
-+ res = __testip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ port,
-+ hash_ip);
-+ return (res < 0 ? 0 : res);
-+
-+}
-+
-+static inline int
-+__add_haship(struct ip_set_ipporthash *map, ip_set_ip_t hash_ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, hash_ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == hash_ip)
-+ return -EEXIST;
-+ if (!*elem) {
-+ *elem = hash_ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__addip(struct ip_set_ipporthash *map, ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t *hash_ip)
-+{
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = HASH_IP(map, ip, port);
-+
-+ return __add_haship(map, *hash_ip);
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipporthash *req =
-+ (struct ip_set_req_ipporthash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipporthash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipporthash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __addip((struct ip_set_ipporthash *) set->data,
-+ req->ip, req->port, hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ ip_set_ip_t port;
-+
-+ if (flags[index+1] == 0)
-+ return -EINVAL;
-+
-+ port = get_port(skb, flags[index+1]);
-+
-+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
-+ flags[index] & IPSET_SRC ? "SRC" : "DST",
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ NIPQUAD(ip_hdr(skb)->saddr),
-+ NIPQUAD(ip_hdr(skb)->daddr));
-+#else
-+ NIPQUAD(skb->nh.iph->saddr),
-+ NIPQUAD(skb->nh.iph->daddr));
-+#endif
-+ DP("flag %s port %u",
-+ flags[index+1] & IPSET_SRC ? "SRC" : "DST",
-+ port);
-+ if (port == INVALID_PORT)
-+ return -EINVAL;
-+
-+ return __addip((struct ip_set_ipporthash *) set->data,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ port,
-+ hash_ip);
-+}
-+
-+static int retry(struct ip_set *set)
-+{
-+ struct ip_set_ipporthash *map = (struct ip_set_ipporthash *) set->data;
-+ ip_set_ip_t *elem;
-+ void *members;
-+ u_int32_t i, hashsize = map->hashsize;
-+ int res;
-+ struct ip_set_ipporthash *tmp;
-+
-+ if (map->resize == 0)
-+ return -ERANGE;
-+
-+ again:
-+ res = 0;
-+
-+ /* Calculate new hash size */
-+ hashsize += (hashsize * map->resize)/100;
-+ if (hashsize == map->hashsize)
-+ hashsize++;
-+
-+ ip_set_printk("rehashing of set %s triggered: "
-+ "hashsize grows from %u to %u",
-+ set->name, map->hashsize, hashsize);
-+
-+ tmp = kmalloc(sizeof(struct ip_set_ipporthash)
-+ + map->probes * sizeof(uint32_t), GFP_ATOMIC);
-+ if (!tmp) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_ipporthash)
-+ + map->probes * sizeof(uint32_t));
-+ return -ENOMEM;
-+ }
-+ tmp->members = harray_malloc(hashsize, sizeof(ip_set_ip_t), GFP_ATOMIC);
-+ if (!tmp->members) {
-+ DP("out of memory for %d bytes", hashsize * sizeof(ip_set_ip_t));
-+ kfree(tmp);
-+ return -ENOMEM;
-+ }
-+ tmp->hashsize = hashsize;
-+ tmp->elements = 0;
-+ tmp->probes = map->probes;
-+ tmp->resize = map->resize;
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+ memcpy(tmp->initval, map->initval, map->probes * sizeof(uint32_t));
-+
-+ write_lock_bh(&set->lock);
-+ map = (struct ip_set_ipporthash *) set->data; /* Play safe */
-+ for (i = 0; i < map->hashsize && res == 0; i++) {
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, i);
-+ if (*elem)
-+ res = __add_haship(tmp, *elem);
-+ }
-+ if (res) {
-+ /* Failure, try again */
-+ write_unlock_bh(&set->lock);
-+ harray_free(tmp->members);
-+ kfree(tmp);
-+ goto again;
-+ }
-+
-+ /* Success at resizing! */
-+ members = map->members;
-+
-+ map->hashsize = tmp->hashsize;
-+ map->members = tmp->members;
-+ write_unlock_bh(&set->lock);
-+
-+ harray_free(members);
-+ kfree(tmp);
-+
-+ return 0;
-+}
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipporthash *map = (struct ip_set_ipporthash *) set->data;
-+ ip_set_ip_t id;
-+ ip_set_ip_t *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = hash_id(set, ip, port, hash_ip);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipporthash *req =
-+ (struct ip_set_req_ipporthash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipporthash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipporthash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, req->port, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ ip_set_ip_t port;
-+
-+ if (flags[index+1] == 0)
-+ return -EINVAL;
-+
-+ port = get_port(skb, flags[index+1]);
-+
-+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
-+ flags[index] & IPSET_SRC ? "SRC" : "DST",
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ NIPQUAD(ip_hdr(skb)->saddr),
-+ NIPQUAD(ip_hdr(skb)->daddr));
-+#else
-+ NIPQUAD(skb->nh.iph->saddr),
-+ NIPQUAD(skb->nh.iph->daddr));
-+#endif
-+ DP("flag %s port %u",
-+ flags[index+1] & IPSET_SRC ? "SRC" : "DST",
-+ port);
-+ if (port == INVALID_PORT)
-+ return -EINVAL;
-+
-+ return __delip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ port,
-+ hash_ip);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ struct ip_set_req_ipporthash_create *req =
-+ (struct ip_set_req_ipporthash_create *) data;
-+ struct ip_set_ipporthash *map;
-+ uint16_t i;
-+
-+ if (size != sizeof(struct ip_set_req_ipporthash_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipporthash_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ if (req->hashsize < 1) {
-+ ip_set_printk("hashsize too small");
-+ return -ENOEXEC;
-+ }
-+
-+ if (req->probes < 1) {
-+ ip_set_printk("probes too small");
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_ipporthash)
-+ + req->probes * sizeof(uint32_t), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_ipporthash)
-+ + req->probes * sizeof(uint32_t));
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < req->probes; i++)
-+ get_random_bytes(((uint32_t *) map->initval)+i, 4);
-+ map->elements = 0;
-+ map->hashsize = req->hashsize;
-+ map->probes = req->probes;
-+ map->resize = req->resize;
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ map->members = harray_malloc(map->hashsize, sizeof(ip_set_ip_t), GFP_KERNEL);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", map->hashsize * sizeof(ip_set_ip_t));
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_ipporthash *map = (struct ip_set_ipporthash *) set->data;
-+
-+ harray_free(map->members);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_ipporthash *map = (struct ip_set_ipporthash *) set->data;
-+ harray_flush(map->members, map->hashsize, sizeof(ip_set_ip_t));
-+ map->elements = 0;
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_ipporthash *map = (struct ip_set_ipporthash *) set->data;
-+ struct ip_set_req_ipporthash_create *header =
-+ (struct ip_set_req_ipporthash_create *) data;
-+
-+ header->hashsize = map->hashsize;
-+ header->probes = map->probes;
-+ header->resize = map->resize;
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_ipporthash *map = (struct ip_set_ipporthash *) set->data;
-+
-+ return (map->hashsize * sizeof(ip_set_ip_t));
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_ipporthash *map = (struct ip_set_ipporthash *) set->data;
-+ ip_set_ip_t i, *elem;
-+
-+ for (i = 0; i < map->hashsize; i++) {
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, i);
-+ ((ip_set_ip_t *)data)[i] = *elem;
-+ }
-+}
-+
-+static struct ip_set_type ip_set_ipporthash = {
-+ .typename = SETTYPE_NAME,
-+ .features = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_ipporthash),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .retry = &retry,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_ipporthash_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipporthash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_ipporthash_init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_ipporthash);
-+}
-+
-+static void __exit ip_set_ipporthash_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_ipporthash);
-+}
-+
-+module_init(ip_set_ipporthash_init);
-+module_exit(ip_set_ipporthash_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptree.c
-@@ -0,0 +1,612 @@
-+/* Copyright (C) 2005 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the iptree type */
-+
-+#include <linux/version.h>
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+/* Backward compatibility */
-+#ifndef __nocast
-+#define __nocast
-+#endif
-+
-+#include <linux/netfilter_ipv4/ip_set_iptree.h>
-+
-+static int limit = MAX_RANGE;
-+
-+/* Garbage collection interval in seconds: */
-+#define IPTREE_GC_TIME 5*60
-+/* Sleep so many milliseconds before trying again
-+ * to delete the gc timer at destroying/flushing a set */
-+#define IPTREE_DESTROY_SLEEP 100
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-+static struct kmem_cache *branch_cachep;
-+static struct kmem_cache *leaf_cachep;
-+#else
-+static kmem_cache_t *branch_cachep;
-+static kmem_cache_t *leaf_cachep;
-+#endif
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[3]; \
-+ b = ((unsigned char *)addrp)[2]; \
-+ c = ((unsigned char *)addrp)[1]; \
-+ d = ((unsigned char *)addrp)[0]; \
-+} while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return 0; \
-+} while (0)
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout);
-+ TESTIP_WALK(map, a, btree);
-+ TESTIP_WALK(btree, b, ctree);
-+ TESTIP_WALK(ctree, c, dtree);
-+ DP("%lu %lu", dtree->expires[d], jiffies);
-+ return dtree->expires[d]
-+ && (!map->timeout
-+ || time_after(dtree->expires[d], jiffies));
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iptree *req =
-+ (struct ip_set_req_iptree *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptree)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iptree),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ int res;
-+
-+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
-+ flags[index] & IPSET_SRC ? "SRC" : "DST",
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ NIPQUAD(ip_hdr(skb)->saddr),
-+ NIPQUAD(ip_hdr(skb)->daddr));
-+#else
-+ NIPQUAD(skb->nh.iph->saddr),
-+ NIPQUAD(skb->nh.iph->daddr));
-+#endif
-+
-+ res = __testip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+ return (res < 0 ? 0 : res);
-+}
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \
-+ if ((map)->tree[elem]) { \
-+ DP("found %u", elem); \
-+ branch = (map)->tree[elem]; \
-+ } else { \
-+ branch = (type *) \
-+ kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (branch == NULL) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ DP("alloc %u", elem); \
-+ } \
-+} while (0)
-+
-+static inline int
-+__addip(struct ip_set *set, ip_set_ip_t ip, unsigned int timeout,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ int ret = 0;
-+
-+ if (!ip || map->elements >= limit)
-+ /* We could call the garbage collector
-+ * but it's probably overkill */
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout);
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep);
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ ret = -EEXIST;
-+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1;
-+ /* Lottery: I won! */
-+ if (dtree->expires[d] == 0)
-+ dtree->expires[d] = 1;
-+ DP("%u %lu", d, dtree->expires[d]);
-+ if (ret == 0)
-+ map->elements++;
-+ return ret;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_req_iptree *req =
-+ (struct ip_set_req_iptree *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptree)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iptree),
-+ size);
-+ return -EINVAL;
-+ }
-+ DP("%u.%u.%u.%u %u", HIPQUAD(req->ip), req->timeout);
-+ return __addip(set, req->ip,
-+ req->timeout ? req->timeout : map->timeout,
-+ hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+
-+ return __addip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ map->timeout,
-+ hash_ip);
-+}
-+
-+#define DELIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return -EEXIST; \
-+} while (0)
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DELIP_WALK(map, a, btree);
-+ DELIP_WALK(btree, b, ctree);
-+ DELIP_WALK(ctree, c, dtree);
-+
-+ if (dtree->expires[d]) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ return 0;
-+ }
-+ return -EEXIST;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iptree *req =
-+ (struct ip_set_req_iptree *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptree)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iptree),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ return __delip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) \
-+ continue; \
-+ branch = (map)->tree[i]
-+
-+#define LOOP_WALK_END }
-+
-+static void ip_tree_gc(unsigned long ul_set)
-+{
-+ struct ip_set *set = (void *) ul_set;
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned char i,j,k;
-+
-+ i = j = k = 0;
-+ DP("gc: %s", set->name);
-+ write_lock_bh(&set->lock);
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]) {
-+ DP("gc: %u %u %u %u: expires %lu jiffies %lu",
-+ a, b, c, d,
-+ dtree->expires[d], jiffies);
-+ if (map->timeout
-+ && time_before(dtree->expires[d], jiffies)) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ } else
-+ k = 1;
-+ }
-+ }
-+ if (k == 0) {
-+ DP("gc: %s: leaf %u %u %u empty",
-+ set->name, a, b, c);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ ctree->tree[c] = NULL;
-+ } else {
-+ DP("gc: %s: leaf %u %u %u not empty",
-+ set->name, a, b, c);
-+ j = 1;
-+ k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (j == 0) {
-+ DP("gc: %s: branch %u %u empty",
-+ set->name, a, b);
-+ kmem_cache_free(branch_cachep, ctree);
-+ btree->tree[b] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u %u not empty",
-+ set->name, a, b);
-+ i = 1;
-+ j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (i == 0) {
-+ DP("gc: %s: branch %u empty",
-+ set->name, a);
-+ kmem_cache_free(branch_cachep, btree);
-+ map->tree[a] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u not empty",
-+ set->name, a);
-+ i = j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+
-+ /* Even if there is no timeout for the entries,
-+ * we still have to call gc because delete
-+ * do not clean up empty branches */
-+ map->gc_interval = IPTREE_GC_TIME;
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = ip_tree_gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ struct ip_set_req_iptree_create *req =
-+ (struct ip_set_req_iptree_create *) data;
-+ struct ip_set_iptree *map;
-+
-+ if (size != sizeof(struct ip_set_req_iptree_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iptree_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_iptree));
-+ return -ENOMEM;
-+ }
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = req->timeout;
-+ map->elements = 0;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static void __flush(struct ip_set_iptree *map)
-+{
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, ctree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, btree);
-+ LOOP_WALK_END;
-+ map->elements = 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ unsigned int timeout = map->timeout;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = timeout;
-+
-+ init_gc_timer(set);
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_req_iptree_create *header =
-+ (struct ip_set_req_iptree_create *) data;
-+
-+ header->timeout = map->timeout;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned int count = 0;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ count++;
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+
-+ DP("members %u", count);
-+ return (count * sizeof(struct ip_set_req_iptree));
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ size_t offset = 0;
-+ struct ip_set_req_iptree *entry;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) {
-+ entry = (struct ip_set_req_iptree *)(data + offset);
-+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ entry->timeout = !map->timeout ? 0
-+ : (dtree->expires[d] - jiffies)/HZ;
-+ offset += sizeof(struct ip_set_req_iptree);
-+ }
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+}
-+
-+static struct ip_set_type ip_set_iptree = {
-+ .typename = SETTYPE_NAME,
-+ .features = IPSET_TYPE_IP | IPSET_DATA_SINGLE,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_iptree),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_iptree_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptree type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_iptree_init(void)
-+{
-+ int ret;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+ branch_cachep = kmem_cache_create("ip_set_iptreeb",
-+ sizeof(struct ip_set_iptreeb),
-+ 0, 0, NULL);
-+#else
-+ branch_cachep = kmem_cache_create("ip_set_iptreeb",
-+ sizeof(struct ip_set_iptreeb),
-+ 0, 0, NULL, NULL);
-+#endif
-+ if (!branch_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n");
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+ leaf_cachep = kmem_cache_create("ip_set_iptreed",
-+ sizeof(struct ip_set_iptreed),
-+ 0, 0, NULL);
-+#else
-+ leaf_cachep = kmem_cache_create("ip_set_iptreed",
-+ sizeof(struct ip_set_iptreed),
-+ 0, 0, NULL, NULL);
-+#endif
-+ if (!leaf_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n");
-+ ret = -ENOMEM;
-+ goto free_branch;
-+ }
-+ ret = ip_set_register_set_type(&ip_set_iptree);
-+ if (ret == 0)
-+ goto out;
-+
-+ kmem_cache_destroy(leaf_cachep);
-+ free_branch:
-+ kmem_cache_destroy(branch_cachep);
-+ out:
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptree_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iptree);
-+ kmem_cache_destroy(leaf_cachep);
-+ kmem_cache_destroy(branch_cachep);
-+}
-+
-+module_init(ip_set_iptree_init);
-+module_exit(ip_set_iptree_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptreemap.c
-@@ -0,0 +1,829 @@
-+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ */
-+
-+/* This modules implements the iptreemap ipset type. It uses bitmaps to
-+ * represent every single IPv4 address as a single bit. The bitmaps are managed
-+ * in a tree structure, where the first three octets of an addresses are used
-+ * as an index to find the bitmap and the last octet is used as the bit number.
-+ */
-+
-+#include <linux/version.h>
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_iptreemap.h>
-+
-+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60)
-+#define IPTREEMAP_DESTROY_SLEEP (100)
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-+static struct kmem_cache *cachep_b;
-+static struct kmem_cache *cachep_c;
-+static struct kmem_cache *cachep_d;
-+#else
-+static kmem_cache_t *cachep_b;
-+static kmem_cache_t *cachep_c;
-+static kmem_cache_t *cachep_d;
-+#endif
-+
-+static struct ip_set_iptreemap_d *fullbitmap_d;
-+static struct ip_set_iptreemap_c *fullbitmap_c;
-+static struct ip_set_iptreemap_b *fullbitmap_b;
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a, b, c, d, addr) \
-+ do { \
-+ a = ((unsigned char *)addr)[3]; \
-+ b = ((unsigned char *)addr)[2]; \
-+ c = ((unsigned char *)addr)[1]; \
-+ d = ((unsigned char *)addr)[0]; \
-+ } while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) \
-+ return 0; \
-+ else if (branch == full) \
-+ return 1; \
-+ } while (0)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ } else if (branch == full) { \
-+ return -EEXIST; \
-+ } \
-+ } while (0)
-+
-+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch != full) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch) \
-+ free(branch); \
-+ (map)->tree[a] = full; \
-+ continue; \
-+ } else if (!branch) { \
-+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define ADDIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ return -EEXIST; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*full)); \
-+ (map)->tree[elem] = branch; \
-+ } \
-+ } while (0)
-+
-+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch != full) \
-+ free(branch); \
-+ (map)->tree[a] = NULL; \
-+ continue; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define DELIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue;
-+
-+#define LOOP_WALK_END() \
-+ }
-+
-+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \
-+ count = -256; \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue; \
-+ count++; \
-+ if (branch == full) { \
-+ count++; \
-+ continue; \
-+ }
-+
-+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \
-+ if (-256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = NULL; \
-+ } else if (256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = full; \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) { \
-+ if (inrange) { \
-+ count++; \
-+ inrange = 0; \
-+ } \
-+ continue; \
-+ } \
-+ branch = (map)->tree[i];
-+
-+#define LOOP_WALK_END_COUNT() \
-+ }
-+
-+#define MIN(a, b) (a < b ? a : b)
-+#define MAX(a, b) (a > b ? a : b)
-+
-+#define GETVALUE1(a, a1, b1, r) \
-+ (a == a1 ? b1 : r)
-+
-+#define GETVALUE2(a, b, a1, b1, c1, r) \
-+ (a == a1 && b == b1 ? c1 : r)
-+
-+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \
-+ (a == a1 && b == b1 && c == c1 ? d1 : r)
-+
-+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE1(a, a1, b1, 0) == 0 \
-+ && GETVALUE1(a, a2, b2, 255) == 255 \
-+ && c1 == 0 \
-+ && c2 == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \
-+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \
-+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \
-+ )
-+
-+
-+static inline void
-+free_d(struct ip_set_iptreemap_d *map)
-+{
-+ kmem_cache_free(cachep_d, map);
-+}
-+
-+static inline void
-+free_c(struct ip_set_iptreemap_c *map)
-+{
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, dtree) {
-+ if (dtree != fullbitmap_d)
-+ free_d(dtree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_c, map);
-+}
-+
-+static inline void
-+free_b(struct ip_set_iptreemap_b *map)
-+{
-+ struct ip_set_iptreemap_c *ctree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, ctree) {
-+ if (ctree != fullbitmap_c)
-+ free_c(ctree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_b, map);
-+}
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ TESTIP_WALK(map, a, btree, fullbitmap_b);
-+ TESTIP_WALK(btree, b, ctree, fullbitmap_c);
-+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d);
-+
-+ return !!test_bit(d, (void *) dtree->bitmap);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iptreemap *req = (struct ip_set_req_iptreemap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptreemap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)", sizeof(struct ip_set_req_iptreemap), size);
-+ return -EINVAL;
-+ }
-+
-+ return __testip(set, req->start, hash_ip);
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set, const struct sk_buff *skb, ip_set_ip_t *hash_ip, const u_int32_t *flags, unsigned char index)
-+{
-+ int res;
-+
-+ res = __testip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+
-+ return (res < 0 ? 0 : res);
-+}
-+
-+static inline int
-+__addip_single(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d);
-+
-+ if (test_and_set_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+__addip_range(struct ip_set *set, ip_set_ip_t start, ip_set_ip_t end, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __addip_single(set, start, hash_ip);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) {
-+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) {
-+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ set_bit(d, (void *) dtree->bitmap);
-+ set_bit(b, (void *) btree->dirty);
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iptreemap *req = (struct ip_set_req_iptreemap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptreemap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)", sizeof(struct ip_set_req_iptreemap), size);
-+ return -EINVAL;
-+ }
-+
-+ return __addip_range(set, MIN(req->start, req->end), MAX(req->start, req->end), hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set, const struct sk_buff *skb, ip_set_ip_t *hash_ip, const u_int32_t *flags, unsigned char index)
-+{
-+
-+ return __addip_single(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+static inline int
-+__delip_single(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip, unsigned int __nocast flags)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a,b,c,d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags);
-+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags);
-+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags);
-+
-+ if (!test_and_clear_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+__delip_range(struct ip_set *set, ip_set_ip_t start, ip_set_ip_t end, ip_set_ip_t *hash_ip, unsigned int __nocast flags)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __delip_single(set, start, hash_ip, flags);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) {
-+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) {
-+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ clear_bit(d, (void *) dtree->bitmap);
-+ set_bit(b, (void *) btree->dirty);
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iptreemap *req = (struct ip_set_req_iptreemap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptreemap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)", sizeof(struct ip_set_req_iptreemap), size);
-+ return -EINVAL;
-+ }
-+
-+ return __delip_range(set, MIN(req->start, req->end), MAX(req->start, req->end), hash_ip, GFP_KERNEL);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set, const struct sk_buff *skb, ip_set_ip_t *hash_ip, const u_int32_t *flags, unsigned char index)
-+{
-+ return __delip_single(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip,
-+ GFP_ATOMIC);
-+}
-+
-+/* Check the status of the bitmap
-+ * -1 == all bits cleared
-+ * 1 == all bits set
-+ * 0 == anything else
-+ */
-+static inline int
-+bitmap_status(struct ip_set_iptreemap_d *dtree)
-+{
-+ unsigned char first = dtree->bitmap[0];
-+ int a;
-+
-+ for (a = 1; a < 32; a++)
-+ if (dtree->bitmap[a] != first)
-+ return 0;
-+
-+ return (first == 0 ? -1 : (first == 255 ? 1 : 0));
-+}
-+
-+static void
-+gc(unsigned long addr)
-+{
-+ struct ip_set *set = (struct ip_set *) addr;
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c;
-+ int i, j, k;
-+
-+ write_lock_bh(&set->lock);
-+
-+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) {
-+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) {
-+ if (!test_and_clear_bit(b, (void *) btree->dirty))
-+ continue;
-+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) {
-+ switch (bitmap_status(dtree)) {
-+ case -1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = NULL;
-+ k--;
-+ break;
-+ case 1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = fullbitmap_d;
-+ k++;
-+ break;
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k);
-+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j);
-+
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ struct ip_set_req_iptreemap_create *req = (struct ip_set_req_iptreemap_create *) data;
-+ struct ip_set_iptreemap *map;
-+
-+ if (size != sizeof(struct ip_set_req_iptreemap_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)", sizeof(struct ip_set_req_iptreemap_create), size);
-+ return -EINVAL;
-+ }
-+
-+ map = kzalloc(sizeof(*map), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+
-+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void __flush(struct ip_set_iptreemap *map)
-+{
-+ struct ip_set_iptreemap_b *btree;
-+ unsigned int a;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ if (btree != fullbitmap_b)
-+ free_b(btree);
-+ LOOP_WALK_END();
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+
-+ memset(map, 0, sizeof(*map));
-+
-+ init_gc_timer(set);
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_req_iptreemap_create *header = (struct ip_set_req_iptreemap_create *) data;
-+
-+ header->gc_interval = map->gc_interval;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0, count = 0;
-+
-+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ inrange = 1;
-+ } else if (inrange) {
-+ count++;
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+
-+ if (inrange)
-+ count++;
-+
-+ return (count * sizeof(struct ip_set_req_iptreemap));
-+}
-+
-+static inline size_t add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_req_iptreemap *entry = (struct ip_set_req_iptreemap *) (data + offset);
-+
-+ entry->start = start;
-+ entry->end = end;
-+
-+ return sizeof(*entry);
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0;
-+ size_t offset = 0;
-+ ip_set_ip_t start = 0, end = 0, ip;
-+
-+ LOOP_WALK_BEGIN(map, a, btree) {
-+ LOOP_WALK_BEGIN(btree, b, ctree) {
-+ LOOP_WALK_BEGIN(ctree, c, dtree) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ if (!inrange) {
-+ inrange = 1;
-+ start = ip;
-+ } else if (end < ip - 1) {
-+ offset += add_member(data, offset, start, end);
-+ start = ip;
-+ }
-+ end = ip;
-+ } else if (inrange) {
-+ offset += add_member(data, offset, start, end);
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+
-+ if (inrange)
-+ add_member(data, offset, start, end);
-+}
-+
-+static struct ip_set_type ip_set_iptreemap = {
-+ .typename = SETTYPE_NAME,
-+ .features = IPSET_TYPE_IP | IPSET_DATA_SINGLE,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = create,
-+ .destroy = destroy,
-+ .flush = flush,
-+ .reqsize = sizeof(struct ip_set_req_iptreemap),
-+ .addip = addip,
-+ .addip_kernel = addip_kernel,
-+ .delip = delip,
-+ .delip_kernel = delip_kernel,
-+ .testip = testip,
-+ .testip_kernel = testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_iptreemap_create),
-+ .list_header = list_header,
-+ .list_members_size = list_members_size,
-+ .list_members = list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>");
-+MODULE_DESCRIPTION("iptreemap type of IP sets");
-+
-+static int __init ip_set_iptreemap_init(void)
-+{
-+ int ret = -ENOMEM;
-+ int a;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+ cachep_b = kmem_cache_create("ip_set_iptreemap_b",
-+ sizeof(struct ip_set_iptreemap_b),
-+ 0, 0, NULL);
-+#else
-+ cachep_b = kmem_cache_create("ip_set_iptreemap_b",
-+ sizeof(struct ip_set_iptreemap_b),
-+ 0, 0, NULL, NULL);
-+#endif
-+ if (!cachep_b) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache");
-+ goto out;
-+ }
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+ cachep_c = kmem_cache_create("ip_set_iptreemap_c",
-+ sizeof(struct ip_set_iptreemap_c),
-+ 0, 0, NULL);
-+#else
-+ cachep_c = kmem_cache_create("ip_set_iptreemap_c",
-+ sizeof(struct ip_set_iptreemap_c),
-+ 0, 0, NULL, NULL);
-+#endif
-+ if (!cachep_c) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache");
-+ goto outb;
-+ }
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+ cachep_d = kmem_cache_create("ip_set_iptreemap_d",
-+ sizeof(struct ip_set_iptreemap_d),
-+ 0, 0, NULL);
-+#else
-+ cachep_d = kmem_cache_create("ip_set_iptreemap_d",
-+ sizeof(struct ip_set_iptreemap_d),
-+ 0, 0, NULL, NULL);
-+#endif
-+ if (!cachep_d) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache");
-+ goto outc;
-+ }
-+
-+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL);
-+ if (!fullbitmap_d)
-+ goto outd;
-+
-+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL);
-+ if (!fullbitmap_c)
-+ goto outbitmapd;
-+
-+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL);
-+ if (!fullbitmap_b)
-+ goto outbitmapc;
-+
-+ ret = ip_set_register_set_type(&ip_set_iptreemap);
-+ if (0 > ret)
-+ goto outbitmapb;
-+
-+ /* Now init our global bitmaps */
-+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap));
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_c->tree[a] = fullbitmap_d;
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_b->tree[a] = fullbitmap_c;
-+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty));
-+
-+ return 0;
-+
-+outbitmapb:
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+outbitmapc:
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+outbitmapd:
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+outd:
-+ kmem_cache_destroy(cachep_d);
-+outc:
-+ kmem_cache_destroy(cachep_c);
-+outb:
-+ kmem_cache_destroy(cachep_b);
-+out:
-+
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptreemap_fini(void)
-+{
-+ ip_set_unregister_set_type(&ip_set_iptreemap);
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+ kmem_cache_destroy(cachep_d);
-+ kmem_cache_destroy(cachep_c);
-+ kmem_cache_destroy(cachep_b);
-+}
-+
-+module_init(ip_set_iptreemap_init);
-+module_exit(ip_set_iptreemap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_macipmap.c
-@@ -0,0 +1,375 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the macipmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/if_ether.h>
-+#include <linux/vmalloc.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+#include <linux/netfilter_ipv4/ip_set_macipmap.h>
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_macipmap *map = (struct ip_set_macipmap *) set->data;
-+ struct ip_set_macip *table = (struct ip_set_macip *) map->members;
-+ struct ip_set_req_macipmap *req = (struct ip_set_req_macipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_macipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_macipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ if (req->ip < map->first_ip || req->ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = req->ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip));
-+ if (test_bit(IPSET_MACIP_ISSET,
-+ (void *) &table[req->ip - map->first_ip].flags)) {
-+ return (memcmp(req->ethernet,
-+ &table[req->ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0);
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ struct ip_set_macip *table =
-+ (struct ip_set_macip *) map->members;
-+ ip_set_ip_t ip;
-+
-+ ip = ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr);
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr);
-+#endif
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return 0;
-+
-+ *hash_ip = ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_bit(IPSET_MACIP_ISSET,
-+ (void *) &table[ip - map->first_ip].flags)) {
-+ /* Is mac pointer valid?
-+ * If so, compare... */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ return (skb_mac_header(skb) >= skb->head
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data
-+#else
-+ return (skb->mac.raw >= skb->head
-+ && (skb->mac.raw + ETH_HLEN) <= skb->data
-+#endif
-+ && (memcmp(eth_hdr(skb)->h_source,
-+ &table[ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0));
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+/* returns 0 on success */
-+static inline int
-+__addip(struct ip_set *set,
-+ ip_set_ip_t ip, unsigned char *ethernet, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ struct ip_set_macip *table =
-+ (struct ip_set_macip *) map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (test_and_set_bit(IPSET_MACIP_ISSET,
-+ (void *) &table[ip - map->first_ip].flags))
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN);
-+ return 0;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_macipmap *req =
-+ (struct ip_set_req_macipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_macipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_macipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __addip(set, req->ip, req->ethernet, hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ ip_set_ip_t ip;
-+
-+ ip = ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr);
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr);
-+#endif
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ if (!(skb_mac_header(skb) >= skb->head
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))
-+#else
-+ if (!(skb->mac.raw >= skb->head
-+ && (skb->mac.raw + ETH_HLEN) <= skb->data))
-+#endif
-+ return -EINVAL;
-+
-+ return __addip(set, ip, eth_hdr(skb)->h_source, hash_ip);
-+}
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ struct ip_set_macip *table =
-+ (struct ip_set_macip *) map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(IPSET_MACIP_ISSET,
-+ (void *)&table[ip - map->first_ip].flags))
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_macipmap *req =
-+ (struct ip_set_req_macipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_macipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_macipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ return __delip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+static inline size_t members_size(ip_set_id_t from, ip_set_id_t to)
-+{
-+ return (size_t)((to - from + 1) * sizeof(struct ip_set_macip));
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ int newbytes;
-+ struct ip_set_req_macipmap_create *req =
-+ (struct ip_set_req_macipmap_create *) data;
-+ struct ip_set_macipmap *map;
-+
-+ if (size != sizeof(struct ip_set_req_macipmap_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_macipmap_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ DP("from %u.%u.%u.%u to %u.%u.%u.%u",
-+ HIPQUAD(req->from), HIPQUAD(req->to));
-+
-+ if (req->from > req->to) {
-+ DP("bad ip range");
-+ return -ENOEXEC;
-+ }
-+
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big (max %d addresses)",
-+ MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_macipmap), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_macipmap));
-+ return -ENOMEM;
-+ }
-+ map->flags = req->flags;
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ newbytes = members_size(map->first_ip, map->last_ip);
-+ map->members = ip_set_malloc(newbytes);
-+ DP("members: %u %p", newbytes, map->members);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+ memset(map->members, 0, newbytes);
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+
-+ ip_set_free(map->members, members_size(map->first_ip, map->last_ip));
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ memset(map->members, 0, members_size(map->first_ip, map->last_ip));
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ struct ip_set_req_macipmap_create *header =
-+ (struct ip_set_req_macipmap_create *) data;
-+
-+ DP("list_header %x %x %u", map->first_ip, map->last_ip,
-+ map->flags);
-+
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+ header->flags = map->flags;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+
-+ DP("%u", members_size(map->first_ip, map->last_ip));
-+ return members_size(map->first_ip, map->last_ip);
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+
-+ int bytes = members_size(map->first_ip, map->last_ip);
-+
-+ DP("members: %u %p", bytes, map->members);
-+ memcpy(data, map->members, bytes);
-+}
-+
-+static struct ip_set_type ip_set_macipmap = {
-+ .typename = SETTYPE_NAME,
-+ .features = IPSET_TYPE_IP | IPSET_DATA_SINGLE,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_macipmap),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_macipmap_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("macipmap type of IP sets");
-+
-+static int __init ip_set_macipmap_init(void)
-+{
-+ init_max_malloc_size();
-+ return ip_set_register_set_type(&ip_set_macipmap);
-+}
-+
-+static void __exit ip_set_macipmap_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_macipmap);
-+}
-+
-+module_init(ip_set_macipmap_init);
-+module_exit(ip_set_macipmap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_nethash.c
-@@ -0,0 +1,497 @@
-+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a cidr nethash set */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+#include <linux/jhash.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/vmalloc.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+#include <linux/netfilter_ipv4/ip_set_nethash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+jhash_ip(const struct ip_set_nethash *map, uint16_t i, ip_set_ip_t ip)
-+{
-+ return jhash_1word(ip, *(((uint32_t *) map->initval) + i));
-+}
-+
-+static inline __u32
-+hash_id_cidr(struct ip_set_nethash *map,
-+ ip_set_ip_t ip,
-+ unsigned char cidr,
-+ ip_set_ip_t *hash_ip)
-+{
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack(ip, cidr);
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = hash_id_cidr(map, ip, map->cidr[i], hash_ip);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+__testip_cidr(struct ip_set *set, ip_set_ip_t ip, unsigned char cidr,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+
-+ return (ip && hash_id_cidr(map, ip, cidr, hash_ip) != UINT_MAX);
-+}
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ return (ip && hash_id(set, ip, hash_ip) != UINT_MAX);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_nethash *req =
-+ (struct ip_set_req_nethash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_nethash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_nethash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return (req->cidr == 32 ? __testip(set, req->ip, hash_ip)
-+ : __testip_cidr(set, req->ip, req->cidr, hash_ip));
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ return __testip(set,
-+ ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr),
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+#endif
-+ hash_ip);
-+}
-+
-+static inline int
-+__addip_base(struct ip_set_nethash *map, ip_set_ip_t ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == ip)
-+ return -EEXIST;
-+ if (!*elem) {
-+ *elem = ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__addip(struct ip_set_nethash *map, ip_set_ip_t ip, unsigned char cidr,
-+ ip_set_ip_t *hash_ip)
-+{
-+ if (!ip || map->elements >= limit)
-+ return -ERANGE;
-+
-+ *hash_ip = pack(ip, cidr);
-+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
-+
-+ return __addip_base(map, *hash_ip);
-+}
-+
-+static void
-+update_cidr_sizes(struct ip_set_nethash *map, unsigned char cidr)
-+{
-+ unsigned char next;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ if (map->cidr[i] == cidr) {
-+ return;
-+ } else if (map->cidr[i] < cidr) {
-+ next = map->cidr[i];
-+ map->cidr[i] = cidr;
-+ cidr = next;
-+ }
-+ }
-+ if (i < 30)
-+ map->cidr[i] = cidr;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_nethash *req =
-+ (struct ip_set_req_nethash *) data;
-+ int ret;
-+
-+ if (size != sizeof(struct ip_set_req_nethash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_nethash),
-+ size);
-+ return -EINVAL;
-+ }
-+ ret = __addip((struct ip_set_nethash *) set->data,
-+ req->ip, req->cidr, hash_ip);
-+
-+ if (ret == 0)
-+ update_cidr_sizes((struct ip_set_nethash *) set->data,
-+ req->cidr);
-+
-+ return ret;
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ int ret = -ERANGE;
-+ ip_set_ip_t ip = ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr);
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr);
-+#endif
-+
-+ if (map->cidr[0])
-+ ret = __addip(map, ip, map->cidr[0], hash_ip);
-+
-+ return ret;
-+}
-+
-+static int retry(struct ip_set *set)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ ip_set_ip_t *elem;
-+ void *members;
-+ u_int32_t i, hashsize = map->hashsize;
-+ int res;
-+ struct ip_set_nethash *tmp;
-+
-+ if (map->resize == 0)
-+ return -ERANGE;
-+
-+ again:
-+ res = 0;
-+
-+ /* Calculate new parameters */
-+ hashsize += (hashsize * map->resize)/100;
-+ if (hashsize == map->hashsize)
-+ hashsize++;
-+
-+ ip_set_printk("rehashing of set %s triggered: "
-+ "hashsize grows from %u to %u",
-+ set->name, map->hashsize, hashsize);
-+
-+ tmp = kmalloc(sizeof(struct ip_set_nethash)
-+ + map->probes * sizeof(uint32_t), GFP_ATOMIC);
-+ if (!tmp) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_nethash)
-+ + map->probes * sizeof(uint32_t));
-+ return -ENOMEM;
-+ }
-+ tmp->members = harray_malloc(hashsize, sizeof(ip_set_ip_t), GFP_ATOMIC);
-+ if (!tmp->members) {
-+ DP("out of memory for %d bytes", hashsize * sizeof(ip_set_ip_t));
-+ kfree(tmp);
-+ return -ENOMEM;
-+ }
-+ tmp->hashsize = hashsize;
-+ tmp->elements = 0;
-+ tmp->probes = map->probes;
-+ tmp->resize = map->resize;
-+ memcpy(tmp->initval, map->initval, map->probes * sizeof(uint32_t));
-+ memcpy(tmp->cidr, map->cidr, 30 * sizeof(unsigned char));
-+
-+ write_lock_bh(&set->lock);
-+ map = (struct ip_set_nethash *) set->data; /* Play safe */
-+ for (i = 0; i < map->hashsize && res == 0; i++) {
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, i);
-+ if (*elem)
-+ res = __addip_base(tmp, *elem);
-+ }
-+ if (res) {
-+ /* Failure, try again */
-+ write_unlock_bh(&set->lock);
-+ harray_free(tmp->members);
-+ kfree(tmp);
-+ goto again;
-+ }
-+
-+ /* Success at resizing! */
-+ members = map->members;
-+
-+ map->hashsize = tmp->hashsize;
-+ map->members = tmp->members;
-+ write_unlock_bh(&set->lock);
-+
-+ harray_free(members);
-+ kfree(tmp);
-+
-+ return 0;
-+}
-+
-+static inline int
-+__delip(struct ip_set_nethash *map, ip_set_ip_t ip, unsigned char cidr,
-+ ip_set_ip_t *hash_ip)
-+{
-+ ip_set_ip_t id, *elem;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ id = hash_id_cidr(map, ip, cidr, hash_ip);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_nethash *req =
-+ (struct ip_set_req_nethash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_nethash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_nethash),
-+ size);
-+ return -EINVAL;
-+ }
-+ /* TODO: no garbage collection in map->cidr */
-+ return __delip((struct ip_set_nethash *) set->data,
-+ req->ip, req->cidr, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ int ret = -ERANGE;
-+ ip_set_ip_t ip = ntohl(flags[index] & IPSET_SRC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ ? ip_hdr(skb)->saddr
-+ : ip_hdr(skb)->daddr);
-+#else
-+ ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr);
-+#endif
-+
-+ if (map->cidr[0])
-+ ret = __delip(map, ip, map->cidr[0], hash_ip);
-+
-+ return ret;
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ struct ip_set_req_nethash_create *req =
-+ (struct ip_set_req_nethash_create *) data;
-+ struct ip_set_nethash *map;
-+ uint16_t i;
-+
-+ if (size != sizeof(struct ip_set_req_nethash_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_nethash_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ if (req->hashsize < 1) {
-+ ip_set_printk("hashsize too small");
-+ return -ENOEXEC;
-+ }
-+ if (req->probes < 1) {
-+ ip_set_printk("probes too small");
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_nethash)
-+ + req->probes * sizeof(uint32_t), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_nethash)
-+ + req->probes * sizeof(uint32_t));
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < req->probes; i++)
-+ get_random_bytes(((uint32_t *) map->initval)+i, 4);
-+ map->elements = 0;
-+ map->hashsize = req->hashsize;
-+ map->probes = req->probes;
-+ map->resize = req->resize;
-+ memset(map->cidr, 0, 30 * sizeof(unsigned char));
-+ map->members = harray_malloc(map->hashsize, sizeof(ip_set_ip_t), GFP_KERNEL);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", map->hashsize * sizeof(ip_set_ip_t));
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+
-+ harray_free(map->members);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ harray_flush(map->members, map->hashsize, sizeof(ip_set_ip_t));
-+ memset(map->cidr, 0, 30 * sizeof(unsigned char));
-+ map->elements = 0;
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ struct ip_set_req_nethash_create *header =
-+ (struct ip_set_req_nethash_create *) data;
-+
-+ header->hashsize = map->hashsize;
-+ header->probes = map->probes;
-+ header->resize = map->resize;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+
-+ return (map->hashsize * sizeof(ip_set_ip_t));
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ ip_set_ip_t i, *elem;
-+
-+ for (i = 0; i < map->hashsize; i++) {
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, i);
-+ ((ip_set_ip_t *)data)[i] = *elem;
-+ }
-+}
-+
-+static struct ip_set_type ip_set_nethash = {
-+ .typename = SETTYPE_NAME,
-+ .features = IPSET_TYPE_IP | IPSET_DATA_SINGLE,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_nethash),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .retry = &retry,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_nethash_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("nethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_nethash_init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_nethash);
-+}
-+
-+static void __exit ip_set_nethash_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_nethash);
-+}
-+
-+module_init(ip_set_nethash_init);
-+module_exit(ip_set_nethash_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_portmap.c
-@@ -0,0 +1,346 @@
-+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a port set type as a bitmap */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_portmap.h>
-+
-+/* We must handle non-linear skbs */
-+static inline ip_set_ip_t
-+get_port(const struct sk_buff *skb, u_int32_t flags)
-+{
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ struct iphdr *iph = ip_hdr(skb);
-+#else
-+ struct iphdr *iph = skb->nh.iph;
-+#endif
-+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
-+ switch (iph->protocol) {
-+ case IPPROTO_TCP: {
-+ struct tcphdr tcph;
-+
-+ /* See comments at tcp_match in ip_tables.c */
-+ if (offset)
-+ return INVALID_PORT;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0)
-+#else
-+ if (skb_copy_bits(skb, skb->nh.iph->ihl*4, &tcph, sizeof(tcph)) < 0)
-+#endif
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ tcph.source : tcph.dest);
-+ }
-+ case IPPROTO_UDP: {
-+ struct udphdr udph;
-+
-+ if (offset)
-+ return INVALID_PORT;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0)
-+#else
-+ if (skb_copy_bits(skb, skb->nh.iph->ihl*4, &udph, sizeof(udph)) < 0)
-+#endif
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ udph.source : udph.dest);
-+ }
-+ default:
-+ return INVALID_PORT;
-+ }
-+}
-+
-+static inline int
-+__testport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ if (port < map->first_port || port > map->last_port)
-+ return -ERANGE;
-+
-+ *hash_port = port;
-+ DP("set: %s, port:%u, %u", set->name, port, *hash_port);
-+ return !!test_bit(port - map->first_port, map->members);
-+}
-+
-+static int
-+testport(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_req_portmap *req =
-+ (struct ip_set_req_portmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_portmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_portmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testport(set, req->port, hash_port);
-+}
-+
-+static int
-+testport_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_port,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ int res;
-+ ip_set_ip_t port = get_port(skb, flags[index]);
-+
-+ DP("flag %s port %u", flags[index] & IPSET_SRC ? "SRC" : "DST", port);
-+ if (port == INVALID_PORT)
-+ return 0;
-+
-+ res = __testport(set, port, hash_port);
-+
-+ return (res < 0 ? 0 : res);
-+}
-+
-+static inline int
-+__addport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ if (port < map->first_port || port > map->last_port)
-+ return -ERANGE;
-+ if (test_and_set_bit(port - map->first_port, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+static int
-+addport(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_req_portmap *req =
-+ (struct ip_set_req_portmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_portmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_portmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __addport(set, req->port, hash_port);
-+}
-+
-+static int
-+addport_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_port,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ ip_set_ip_t port = get_port(skb, flags[index]);
-+
-+ if (port == INVALID_PORT)
-+ return -EINVAL;
-+
-+ return __addport(set, port, hash_port);
-+}
-+
-+static inline int
-+__delport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ if (port < map->first_port || port > map->last_port)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(port - map->first_port, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+static int
-+delport(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_req_portmap *req =
-+ (struct ip_set_req_portmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_portmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_portmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delport(set, req->port, hash_port);
-+}
-+
-+static int
-+delport_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_port,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ ip_set_ip_t port = get_port(skb, flags[index]);
-+
-+ if (port == INVALID_PORT)
-+ return -EINVAL;
-+
-+ return __delport(set, port, hash_port);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ int newbytes;
-+ struct ip_set_req_portmap_create *req =
-+ (struct ip_set_req_portmap_create *) data;
-+ struct ip_set_portmap *map;
-+
-+ if (size != sizeof(struct ip_set_req_portmap_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_portmap_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ DP("from %u to %u", req->from, req->to);
-+
-+ if (req->from > req->to) {
-+ DP("bad port range");
-+ return -ENOEXEC;
-+ }
-+
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big (max %d ports)",
-+ MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_portmap), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_portmap));
-+ return -ENOMEM;
-+ }
-+ map->first_port = req->from;
-+ map->last_port = req->to;
-+ newbytes = bitmap_bytes(req->from, req->to);
-+ map->members = kmalloc(newbytes, GFP_KERNEL);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+ memset(map->members, 0, newbytes);
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ kfree(map->members);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+ memset(map->members, 0, bitmap_bytes(map->first_port, map->last_port));
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+ struct ip_set_req_portmap_create *header =
-+ (struct ip_set_req_portmap_create *) data;
-+
-+ DP("list_header %u %u", map->first_port, map->last_port);
-+
-+ header->from = map->first_port;
-+ header->to = map->last_port;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ return bitmap_bytes(map->first_port, map->last_port);
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+ int bytes = bitmap_bytes(map->first_port, map->last_port);
-+
-+ memcpy(data, map->members, bytes);
-+}
-+
-+static struct ip_set_type ip_set_portmap = {
-+ .typename = SETTYPE_NAME,
-+ .features = IPSET_TYPE_PORT | IPSET_DATA_SINGLE,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_portmap),
-+ .addip = &addport,
-+ .addip_kernel = &addport_kernel,
-+ .delip = &delport,
-+ .delip_kernel = &delport_kernel,
-+ .testip = &testport,
-+ .testip_kernel = &testport_kernel,
-+ .header_size = sizeof(struct ip_set_req_portmap_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("portmap type of IP sets");
-+
-+static int __init ip_set_portmap_init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_portmap);
-+}
-+
-+static void __exit ip_set_portmap_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_portmap);
-+}
-+
-+module_init(ip_set_portmap_init);
-+module_exit(ip_set_portmap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_set.c
-@@ -0,0 +1,160 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module to match an IP set. */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static inline int
-+match_set(const struct ipt_set_info *info,
-+ const struct sk_buff *skb,
-+ int inv)
-+{
-+ if (ip_set_testip_kernel(info->index, skb, info->flags))
-+ inv = !inv;
-+ return inv;
-+}
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+static bool
-+#else
-+static int
-+#endif
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_match *match,
-+#endif
-+ const void *matchinfo,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+ int offset, unsigned int protoff, bool *hotdrop)
-+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ int offset, unsigned int protoff, int *hotdrop)
-+#else
-+ int offset, int *hotdrop)
-+#endif
-+{
-+ const struct ipt_set_info_match *info = matchinfo;
-+
-+ return match_set(&info->match_set,
-+ skb,
-+ info->match_set.flags[0] & IPSET_MATCH_INV);
-+}
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+bool
-+#else
-+static int
-+#endif
-+checkentry(const char *tablename,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ const void *inf,
-+#else
-+ const struct ipt_ip *ip,
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_match *match,
-+#endif
-+ void *matchinfo,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ unsigned int matchsize,
-+#endif
-+ unsigned int hook_mask)
-+{
-+ struct ipt_set_info_match *info =
-+ (struct ipt_set_info_match *) matchinfo;
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return 0;
-+ }
-+#endif
-+
-+ index = ip_set_get_byindex(info->match_set.index);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("Cannot find set indentified by id %u to match",
-+ info->match_set.index);
-+ return 0; /* error */
-+ }
-+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+static void destroy(
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_match *match,
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ void *matchinfo, unsigned int matchsize)
-+#else
-+ void *matchinfo)
-+#endif
-+{
-+ struct ipt_set_info_match *info = matchinfo;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return;
-+ }
-+#endif
-+ ip_set_put(info->match_set.index);
-+}
-+
-+static struct ipt_match set_match = {
-+ .name = "set",
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-+ .family = AF_INET,
-+#endif
-+ .match = &match,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ .matchsize = sizeof(struct ipt_set_info_match),
-+#endif
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set match module");
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-+#define ipt_register_match xt_register_match
-+#define ipt_unregister_match xt_unregister_match
-+#endif
-+
-+static int __init ipt_ipset_init(void)
-+{
-+ return ipt_register_match(&set_match);
-+}
-+
-+static void __exit ipt_ipset_fini(void)
-+{
-+ ipt_unregister_match(&set_match);
-+}
-+
-+module_init(ipt_ipset_init);
-+module_exit(ipt_ipset_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_SET.c
-@@ -0,0 +1,172 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* ipt_SET.c - netfilter target to manipulate IP sets */
-+
-+#include <linux/types.h>
-+#include <linux/ip.h>
-+#include <linux/timer.h>
-+#include <linux/module.h>
-+#include <linux/netfilter.h>
-+#include <linux/netdevice.h>
-+#include <linux/if.h>
-+#include <linux/inetdevice.h>
-+#include <linux/version.h>
-+#include <net/protocol.h>
-+#include <net/checksum.h>
-+#include <linux/netfilter_ipv4.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static unsigned int
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_target *target,
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ const void *targinfo,
-+ void *userinfo)
-+#else
-+ const void *targinfo)
-+#endif
-+{
-+ const struct ipt_set_info_target *info = targinfo;
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_addip_kernel(info->add_set.index,
-+ *pskb,
-+ info->add_set.flags);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_delip_kernel(info->del_set.index,
-+ *pskb,
-+ info->del_set.flags);
-+
-+ return IPT_CONTINUE;
-+}
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)
-+static bool
-+#else
-+static int
-+#endif
-+checkentry(const char *tablename,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ const void *e,
-+#else
-+ const struct ipt_entry *e,
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_target *target,
-+#endif
-+ void *targinfo,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ unsigned int targinfosize,
-+#endif
-+ unsigned int hook_mask)
-+{
-+ struct ipt_set_info_target *info =
-+ (struct ipt_set_info_target *) targinfo;
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ if (targinfosize != IPT_ALIGN(sizeof(*info))) {
-+ DP("bad target info size %u", targinfosize);
-+ return 0;
-+ }
-+#endif
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->add_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find add_set index %u as target",
-+ info->add_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+
-+ if (info->del_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->del_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find del_set index %u as target",
-+ info->del_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0
-+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+static void destroy(
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_target *target,
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ void *targetinfo, unsigned int targetsize)
-+#else
-+ void *targetinfo)
-+#endif
-+{
-+ struct ipt_set_info_target *info = targetinfo;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) {
-+ ip_set_printk("invalid targetsize %d", targetsize);
-+ return;
-+ }
-+#endif
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_put(info->add_set.index);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_put(info->del_set.index);
-+}
-+
-+static struct ipt_target SET_target = {
-+ .name = "SET",
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-+ .family = AF_INET,
-+#endif
-+ .target = target,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ .targetsize = sizeof(struct ipt_set_info_target),
-+#endif
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set target module");
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
-+#define ipt_register_target xt_register_target
-+#define ipt_unregister_target xt_unregister_target
-+#endif
-+
-+static int __init ipt_SET_init(void)
-+{
-+ return ipt_register_target(&SET_target);
-+}
-+
-+static void __exit ipt_SET_fini(void)
-+{
-+ ipt_unregister_target(&SET_target);
-+}
-+
-+module_init(ipt_SET_init);
-+module_exit(ipt_SET_fini);
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -408,5 +408,122 @@
- Allows altering the ARP packet payload: source and destination
- hardware and network addresses.
-
-+config IP_NF_SET
-+ tristate "IP set support"
-+ depends on INET && NETFILTER
-+ help
-+ This option adds IP set support to the kernel.
-+ In order to define and use sets, you need the userspace utility
-+ ipset(8).
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MAX
-+ int "Maximum number of IP sets"
-+ default 256
-+ range 2 65534
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the maximum number
-+ of IP sets for the kernel.
-+
-+ The value can be overriden by the 'max_sets' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_HASHSIZE
-+ int "Hash size for bindings of IP sets"
-+ default 1024
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the hash size for
-+ bindings of IP sets.
-+
-+ The value can be overriden by the 'hash_size' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_IPMAP
-+ tristate "ipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MACIPMAP
-+ tristate "macipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the macipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_PORTMAP
-+ tristate "portmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the portmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPHASH
-+ tristate "iphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_NETHASH
-+ tristate "nethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the nethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTHASH
-+ tristate "ipporthash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipporthash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREE
-+ tristate "iptree set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptree set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREEMAP
-+ tristate "iptreemap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptreemap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_MATCH_SET
-+ tristate "set match support"
-+ depends on IP_NF_SET
-+ help
-+ Set matching matches against given IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_TARGET_SET
-+ tristate "SET target support"
-+ depends on IP_NF_SET
-+ help
-+ The SET target makes possible to add/delete entries
-+ in IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+
- endmenu
-
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -48,6 +48,7 @@
- obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
- obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
- obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
-+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
- obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
- obj-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p.o
-
-@@ -63,6 +64,18 @@
- obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
- obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o
-+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
-+
-+# sets
-+obj-$(CONFIG_IP_NF_SET) += ip_set.o
-+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o
-+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o
-+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o
-+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o
-+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o
-+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o
-+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o
-
- # generic ARP tables
- obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o
+++ /dev/null
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_time.h
-@@ -0,0 +1,18 @@
-+#ifndef __ipt_time_h_included__
-+#define __ipt_time_h_included__
-+
-+
-+struct ipt_time_info {
-+ u_int8_t days_match; /* 1 bit per day. -SMTWTFS */
-+ u_int16_t time_start; /* 0 < time_start < 23*60+59 = 1439 */
-+ u_int16_t time_stop; /* 0:0 < time_stat < 23:59 */
-+
-+ /* FIXME: Keep this one for userspace iptables binary compability: */
-+ u_int8_t kerneltime; /* ignore skb time (and use kerneltime) or not. */
-+
-+ time_t date_start;
-+ time_t date_stop;
-+};
-+
-+
-+#endif /* __ipt_time_h_included__ */
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_time.c
-@@ -0,0 +1,180 @@
-+/*
-+ This is a module which is used for time matching
-+ It is using some modified code from dietlibc (localtime() function)
-+ that you can find at http://www.fefe.de/dietlibc/
-+ This file is distributed under the terms of the GNU General Public
-+ License (GPL). Copies of the GPL can be obtained from: ftp://prep.ai.mit.edu/pub/gnu/GPL
-+ 2001-05-04 Fabrice MARIE <fabrice@netfilter.org> : initial development.
-+ 2001-21-05 Fabrice MARIE <fabrice@netfilter.org> : bug fix in the match code,
-+ thanks to "Zeng Yu" <zengy@capitel.com.cn> for bug report.
-+ 2001-26-09 Fabrice MARIE <fabrice@netfilter.org> : force the match to be in LOCAL_IN or PRE_ROUTING only.
-+ 2001-30-11 Fabrice : added the possibility to use the match in FORWARD/OUTPUT with a little hack,
-+ added Nguyen Dang Phuoc Dong <dongnd@tlnet.com.vn> patch to support timezones.
-+ 2004-05-02 Fabrice : added support for date matching, from an idea of Fabien COELHO.
-+*/
-+
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ipt_time.h>
-+#include <linux/time.h>
-+
-+MODULE_AUTHOR("Fabrice MARIE <fabrice@netfilter.org>");
-+MODULE_DESCRIPTION("Match arrival timestamp/date");
-+MODULE_LICENSE("GPL");
-+
-+struct tm
-+{
-+ int tm_sec; /* Seconds. [0-60] (1 leap second) */
-+ int tm_min; /* Minutes. [0-59] */
-+ int tm_hour; /* Hours. [0-23] */
-+ int tm_mday; /* Day. [1-31] */
-+ int tm_mon; /* Month. [0-11] */
-+ int tm_year; /* Year - 1900. */
-+ int tm_wday; /* Day of week. [0-6] */
-+ int tm_yday; /* Days in year.[0-365] */
-+ int tm_isdst; /* DST. [-1/0/1]*/
-+
-+ long int tm_gmtoff; /* we don't care, we count from GMT */
-+ const char *tm_zone; /* we don't care, we count from GMT */
-+};
-+
-+void
-+localtime(const u32 time, struct tm *r);
-+
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+{
-+ const struct ipt_time_info *info = matchinfo; /* match info for rule */
-+ struct timeval tv;
-+ struct tm currenttime; /* time human readable */
-+ u_int8_t days_of_week[7] = {64, 32, 16, 8, 4, 2, 1};
-+ u_int16_t packet_time;
-+
-+ /* We might not have a timestamp, get one */
-+ if (skb->tstamp.tv64 == 0)
-+ __net_timestamp((struct sk_buff *)skb);
-+
-+ skb_get_timestamp(skb, &tv);
-+ /* First we make sure we are in the date start-stop boundaries */
-+ if ((tv.tv_sec < info->date_start) || (tv.tv_sec > info->date_stop))
-+ return 0; /* We are outside the date boundaries */
-+
-+ /* Transform the timestamp of the packet, in a human readable form */
-+ localtime(tv.tv_sec, ¤ttime);
-+
-+ /* check if we match this timestamp, we start by the days... */
-+ if ((days_of_week[currenttime.tm_wday] & info->days_match) != days_of_week[currenttime.tm_wday])
-+ return 0; /* the day doesn't match */
-+
-+ /* ... check the time now */
-+ packet_time = (currenttime.tm_hour * 60) + currenttime.tm_min;
-+ if ((packet_time < info->time_start) || (packet_time > info->time_stop))
-+ return 0;
-+
-+ /* here we match ! */
-+ return 1;
-+}
-+
-+static int
-+checkentry(const char *tablename,
-+ const void *ip,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+{
-+ struct ipt_time_info *info = matchinfo; /* match info for rule */
-+
-+ /* First, check that we are in the correct hooks */
-+ if (hook_mask
-+ & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_IN) | (1 << NF_IP_FORWARD) | (1 << NF_IP_LOCAL_OUT)))
-+ {
-+ printk("ipt_time: error, only valid for PRE_ROUTING, LOCAL_IN, FORWARD and OUTPUT)\n");
-+ return 0;
-+ }
-+
-+ /* Now check the coherence of the data ... */
-+ if ((info->time_start > 1439) || /* 23*60+59 = 1439*/
-+ (info->time_stop > 1439))
-+ {
-+ printk(KERN_WARNING "ipt_time: invalid argument\n");
-+ return 0;
-+ }
-+
-+ return 1;
-+}
-+
-+static struct ipt_match time_match = {
-+ .name = "time",
-+ .match = &match,
-+ .matchsize = sizeof(struct ipt_time_info),
-+ .checkentry = &checkentry,
-+ .me = THIS_MODULE
-+};
-+
-+static int __init init(void)
-+{
-+ printk("ipt_time loading\n");
-+ return xt_register_match(&time_match);
-+}
-+
-+static void __exit fini(void)
-+{
-+ xt_unregister_match(&time_match);
-+ printk("ipt_time unloaded\n");
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+
-+
-+/* The part below is borowed and modified from dietlibc */
-+
-+/* seconds per day */
-+#define SPD 24*60*60
-+
-+void
-+localtime(const u32 time, struct tm *r) {
-+ u32 i, timep;
-+ extern struct timezone sys_tz;
-+ const unsigned int __spm[12] =
-+ { 0,
-+ (31),
-+ (31+28),
-+ (31+28+31),
-+ (31+28+31+30),
-+ (31+28+31+30+31),
-+ (31+28+31+30+31+30),
-+ (31+28+31+30+31+30+31),
-+ (31+28+31+30+31+30+31+31),
-+ (31+28+31+30+31+30+31+31+30),
-+ (31+28+31+30+31+30+31+31+30+31),
-+ (31+28+31+30+31+30+31+31+30+31+30),
-+ };
-+ register u32 work;
-+
-+ timep = time - (sys_tz.tz_minuteswest * 60);
-+ work=timep%(SPD);
-+ r->tm_sec=work%60; work/=60;
-+ r->tm_min=work%60; r->tm_hour=work/60;
-+ work=timep/(SPD);
-+ r->tm_wday=(4+work)%7;
-+ for (i=1970; ; ++i) {
-+ register time_t k= (!(i%4) && ((i%100) || !(i%400)))?366:365;
-+ if (work>k)
-+ work-=k;
-+ else
-+ break;
-+ }
-+ r->tm_year=i-1900;
-+ for (i=11; i && __spm[i]>work; --i) ;
-+ r->tm_mon=i;
-+ r->tm_mday=work-__spm[i]+1;
-+}
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -78,6 +78,22 @@
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+
-+config IP_NF_MATCH_TIME
-+ tristate 'TIME match support'
-+ depends on IP_NF_IPTABLES
-+ help
-+ This option adds a `time' match, which allows you
-+ to match based on the packet arrival time/date
-+ (arrival time/date at the machine which netfilter is running on) or
-+ departure time/date (for locally generated packets).
-+
-+ If you say Y here, try iptables -m time --help for more information.
-+ If you want to compile it as a module, say M here and read
-+
-+ Documentation/modules.txt. If unsure, say `N'.
-+
-+
- config IP_NF_MATCH_RECENT
- tristate "recent match support"
- depends on IP_NF_IPTABLES
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -44,6 +44,7 @@
- obj-$(CONFIG_IP_NF_MATCH_IPRANGE) += ipt_iprange.o
- obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_owner.o
- obj-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos.o
-+obj-$(CONFIG_IP_NF_MATCH_TIME) += ipt_time.o
- obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o
- obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
- obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
+++ /dev/null
---- /dev/null
-+++ b/drivers/net/imq.c
-@@ -0,0 +1,402 @@
-+/*
-+ * Pseudo-driver for the intermediate queue device.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ *
-+ * Authors: Patrick McHardy, <kaber@trash.net>
-+ *
-+ * The first version was written by Martin Devera, <devik@cdi.cz>
-+ *
-+ * Credits: Jan Rafaj <imq2t@cedric.vabo.cz>
-+ * - Update patch to 2.4.21
-+ * Sebastian Strollo <sstrollo@nortelnetworks.com>
-+ * - Fix "Dead-loop on netdevice imq"-issue
-+ * Marcel Sebek <sebek64@post.cz>
-+ * - Update to 2.6.2-rc1
-+ *
-+ * After some time of inactivity there is a group taking care
-+ * of IMQ again: http://www.linuximq.net
-+ *
-+ *
-+ * 2004/06/30 - New version of IMQ patch to kernels <=2.6.7 including
-+ * the following changes:
-+ *
-+ * - Correction of ipv6 support "+"s issue (Hasso Tepper)
-+ * - Correction of imq_init_devs() issue that resulted in
-+ * kernel OOPS unloading IMQ as module (Norbert Buchmuller)
-+ * - Addition of functionality to choose number of IMQ devices
-+ * during kernel config (Andre Correa)
-+ * - Addition of functionality to choose how IMQ hooks on
-+ * PRE and POSTROUTING (after or before NAT) (Andre Correa)
-+ * - Cosmetic corrections (Norbert Buchmuller) (Andre Correa)
-+ *
-+ *
-+ * 2005/12/16 - IMQ versions between 2.6.7 and 2.6.13 were
-+ * released with almost no problems. 2.6.14-x was released
-+ * with some important changes: nfcache was removed; After
-+ * some weeks of trouble we figured out that some IMQ fields
-+ * in skb were missing in skbuff.c - skb_clone and copy_skb_header.
-+ * These functions are correctly patched by this new patch version.
-+ *
-+ * Thanks for all who helped to figure out all the problems with
-+ * 2.6.14.x: Patrick McHardy, Rune Kock, VeNoMouS, Max CtRiX,
-+ * Kevin Shanahan, Richard Lucassen, Valery Dachev (hopefully
-+ * I didn't forget anybody). I apologize again for my lack of time.
-+ *
-+ * More info at: http://www.linuximq.net/ (Andre Correa)
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/kernel.h>
-+#include <linux/moduleparam.h>
-+#include <linux/skbuff.h>
-+#include <linux/netdevice.h>
-+#include <linux/rtnetlink.h>
-+#include <linux/if_arp.h>
-+#include <linux/netfilter.h>
-+#include <linux/netfilter_ipv4.h>
-+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
-+ #include <linux/netfilter_ipv6.h>
-+#endif
-+#include <linux/imq.h>
-+#include <net/pkt_sched.h>
-+
-+extern int qdisc_restart1(struct net_device *dev);
-+
-+static nf_hookfn imq_nf_hook;
-+
-+static struct nf_hook_ops imq_ingress_ipv4 = {
-+ .hook = imq_nf_hook,
-+ .owner = THIS_MODULE,
-+ .pf = PF_INET,
-+ .hooknum = NF_IP_PRE_ROUTING,
-+#if defined(CONFIG_IMQ_BEHAVIOR_BA) || defined(CONFIG_IMQ_BEHAVIOR_BB)
-+ .priority = NF_IP_PRI_MANGLE + 1
-+#else
-+ .priority = NF_IP_PRI_NAT_DST + 1
-+#endif
-+};
-+
-+static struct nf_hook_ops imq_egress_ipv4 = {
-+ .hook = imq_nf_hook,
-+ .owner = THIS_MODULE,
-+ .pf = PF_INET,
-+ .hooknum = NF_IP_POST_ROUTING,
-+#if defined(CONFIG_IMQ_BEHAVIOR_AA) || defined(CONFIG_IMQ_BEHAVIOR_BA)
-+ .priority = NF_IP_PRI_LAST
-+#else
-+ .priority = NF_IP_PRI_NAT_SRC - 1
-+#endif
-+};
-+
-+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
-+static struct nf_hook_ops imq_ingress_ipv6 = {
-+ .hook = imq_nf_hook,
-+ .owner = THIS_MODULE,
-+ .pf = PF_INET6,
-+ .hooknum = NF_IP6_PRE_ROUTING,
-+#if defined(CONFIG_IMQ_BEHAVIOR_BA) || defined(CONFIG_IMQ_BEHAVIOR_BB)
-+ .priority = NF_IP6_PRI_MANGLE + 1
-+#else
-+ .priority = NF_IP6_PRI_NAT_DST + 1
-+#endif
-+};
-+
-+static struct nf_hook_ops imq_egress_ipv6 = {
-+ .hook = imq_nf_hook,
-+ .owner = THIS_MODULE,
-+ .pf = PF_INET6,
-+ .hooknum = NF_IP6_POST_ROUTING,
-+#if defined(CONFIG_IMQ_BEHAVIOR_AA) || defined(CONFIG_IMQ_BEHAVIOR_BA)
-+ .priority = NF_IP6_PRI_LAST
-+#else
-+ .priority = NF_IP6_PRI_NAT_SRC - 1
-+#endif
-+};
-+#endif
-+
-+#if defined(CONFIG_IMQ_NUM_DEVS)
-+static unsigned int numdevs = CONFIG_IMQ_NUM_DEVS;
-+#else
-+static unsigned int numdevs = 2;
-+#endif
-+
-+static struct net_device *imq_devs;
-+
-+static struct net_device_stats *imq_get_stats(struct net_device *dev)
-+{
-+ return (struct net_device_stats *)dev->priv;
-+}
-+
-+/* called for packets kfree'd in qdiscs at places other than enqueue */
-+static void imq_skb_destructor(struct sk_buff *skb)
-+{
-+ struct nf_info *info = skb->nf_info;
-+
-+ if (info) {
-+ if (info->indev)
-+ dev_put(info->indev);
-+ if (info->outdev)
-+ dev_put(info->outdev);
-+ kfree(info);
-+ }
-+}
-+
-+static int imq_dev_xmit(struct sk_buff *skb, struct net_device *dev)
-+{
-+ struct net_device_stats *stats = (struct net_device_stats*) dev->priv;
-+
-+ stats->tx_bytes += skb->len;
-+ stats->tx_packets++;
-+
-+ skb->imq_flags = 0;
-+ skb->destructor = NULL;
-+
-+ dev->trans_start = jiffies;
-+ nf_reinject(skb, skb->nf_info, NF_ACCEPT);
-+ return 0;
-+}
-+
-+static int imq_nf_queue(struct sk_buff *skb, struct nf_info *info, unsigned queue_num, void *data)
-+{
-+ struct net_device *dev;
-+ struct net_device_stats *stats;
-+ struct sk_buff *skb2 = NULL;
-+ struct Qdisc *q;
-+ unsigned int index = skb->imq_flags&IMQ_F_IFMASK;
-+ int ret = -1;
-+
-+ if (index > numdevs)
-+ return -1;
-+
-+ dev = imq_devs + index;
-+ if (!(dev->flags & IFF_UP)) {
-+ skb->imq_flags = 0;
-+ nf_reinject(skb, info, NF_ACCEPT);
-+ return 0;
-+ }
-+ dev->last_rx = jiffies;
-+
-+ if (skb->destructor) {
-+ skb2 = skb;
-+ skb = skb_clone(skb, GFP_ATOMIC);
-+ if (!skb)
-+ return -1;
-+ }
-+ skb->nf_info = info;
-+
-+ stats = (struct net_device_stats *)dev->priv;
-+ stats->rx_bytes+= skb->len;
-+ stats->rx_packets++;
-+
-+ spin_lock_bh(&dev->queue_lock);
-+ q = dev->qdisc;
-+ if (q->enqueue) {
-+ q->enqueue(skb_get(skb), q);
-+ if (skb_shared(skb)) {
-+ skb->destructor = imq_skb_destructor;
-+ kfree_skb(skb);
-+ ret = 0;
-+ }
-+ }
-+ if (spin_is_locked(&dev->_xmit_lock))
-+ netif_schedule(dev);
-+ else
-+ while (!netif_queue_stopped(dev) && qdisc_restart1(dev) < 0)
-+ /* NOTHING */;
-+
-+ spin_unlock_bh(&dev->queue_lock);
-+
-+ if (skb2)
-+ kfree_skb(ret ? skb : skb2);
-+
-+ return ret;
-+}
-+
-+static struct nf_queue_handler nfqh = {
-+ .name = "imq",
-+ .outfn = imq_nf_queue,
-+};
-+
-+static unsigned int imq_nf_hook(unsigned int hook, struct sk_buff **pskb,
-+ const struct net_device *indev,
-+ const struct net_device *outdev,
-+ int (*okfn)(struct sk_buff *))
-+{
-+ if ((*pskb)->imq_flags & IMQ_F_ENQUEUE)
-+ return NF_QUEUE;
-+
-+ return NF_ACCEPT;
-+}
-+
-+
-+static int __init imq_init_hooks(void)
-+{
-+ int err;
-+
-+ err = nf_register_queue_handler(PF_INET, &nfqh);
-+ if (err > 0)
-+ goto err1;
-+ if ((err = nf_register_hook(&imq_ingress_ipv4)))
-+ goto err2;
-+ if ((err = nf_register_hook(&imq_egress_ipv4)))
-+ goto err3;
-+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
-+ if ((err = nf_register_queue_handler(PF_INET6, &nfqh)))
-+ goto err4;
-+ if ((err = nf_register_hook(&imq_ingress_ipv6)))
-+ goto err5;
-+ if ((err = nf_register_hook(&imq_egress_ipv6)))
-+ goto err6;
-+#endif
-+
-+ return 0;
-+
-+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
-+err6:
-+ nf_unregister_hook(&imq_ingress_ipv6);
-+err5:
-+ nf_unregister_queue_handler(PF_INET6);
-+err4:
-+ nf_unregister_hook(&imq_egress_ipv4);
-+#endif
-+err3:
-+ nf_unregister_hook(&imq_ingress_ipv4);
-+err2:
-+ nf_unregister_queue_handler(PF_INET);
-+err1:
-+ return err;
-+}
-+
-+static void __exit imq_unhook(void)
-+{
-+ nf_unregister_hook(&imq_ingress_ipv4);
-+ nf_unregister_hook(&imq_egress_ipv4);
-+ nf_unregister_queue_handler(PF_INET);
-+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
-+ nf_unregister_hook(&imq_ingress_ipv6);
-+ nf_unregister_hook(&imq_egress_ipv6);
-+ nf_unregister_queue_handler(PF_INET6);
-+#endif
-+}
-+
-+static int __init imq_dev_init(struct net_device *dev)
-+{
-+ dev->hard_start_xmit = imq_dev_xmit;
-+ dev->type = ARPHRD_VOID;
-+ dev->mtu = 1500;
-+ dev->tx_queue_len = 30;
-+ dev->flags = IFF_NOARP;
-+ dev->priv = kmalloc(sizeof(struct net_device_stats), GFP_KERNEL);
-+ if (dev->priv == NULL)
-+ return -ENOMEM;
-+ memset(dev->priv, 0, sizeof(struct net_device_stats));
-+ dev->get_stats = imq_get_stats;
-+
-+ return 0;
-+}
-+
-+static void imq_dev_uninit(struct net_device *dev)
-+{
-+ kfree(dev->priv);
-+}
-+
-+static int __init imq_init_devs(void)
-+{
-+ struct net_device *dev;
-+ int i,j;
-+ j = numdevs;
-+
-+ if (!numdevs || numdevs > IMQ_MAX_DEVS) {
-+ printk(KERN_ERR "IMQ: numdevs has to be betweed 1 and %u\n",
-+ IMQ_MAX_DEVS);
-+ return -EINVAL;
-+ }
-+
-+ imq_devs = kmalloc(sizeof(struct net_device) * numdevs, GFP_KERNEL);
-+ if (!imq_devs)
-+ return -ENOMEM;
-+ memset(imq_devs, 0, sizeof(struct net_device) * numdevs);
-+
-+ /* we start counting at zero */
-+ numdevs--;
-+
-+ for (i = 0, dev = imq_devs; i <= numdevs; i++, dev++) {
-+ SET_MODULE_OWNER(dev);
-+ strcpy(dev->name, "imq%d");
-+ dev->init = imq_dev_init;
-+ dev->uninit = imq_dev_uninit;
-+
-+ if (register_netdev(dev) < 0)
-+ goto err_register;
-+ }
-+ printk(KERN_INFO "IMQ starting with %u devices...\n", j);
-+ return 0;
-+
-+err_register:
-+ for (; i; i--)
-+ unregister_netdev(--dev);
-+ kfree(imq_devs);
-+ return -EIO;
-+}
-+
-+static void imq_cleanup_devs(void)
-+{
-+ int i;
-+ struct net_device *dev = imq_devs;
-+
-+ for (i = 0; i <= numdevs; i++)
-+ unregister_netdev(dev++);
-+
-+ kfree(imq_devs);
-+}
-+
-+static int __init imq_init_module(void)
-+{
-+ int err;
-+
-+ if ((err = imq_init_devs())) {
-+ printk(KERN_ERR "IMQ: Error trying imq_init_devs()\n");
-+ return err;
-+ }
-+ if ((err = imq_init_hooks())) {
-+ printk(KERN_ERR "IMQ: Error trying imq_init_hooks()\n");
-+ imq_cleanup_devs();
-+ return err;
-+ }
-+
-+ printk(KERN_INFO "IMQ driver loaded successfully.\n");
-+
-+#if defined(CONFIG_IMQ_BEHAVIOR_BA) || defined(CONFIG_IMQ_BEHAVIOR_BB)
-+ printk(KERN_INFO "\tHooking IMQ before NAT on PREROUTING.\n");
-+#else
-+ printk(KERN_INFO "\tHooking IMQ after NAT on PREROUTING.\n");
-+#endif
-+#if defined(CONFIG_IMQ_BEHAVIOR_AB) || defined(CONFIG_IMQ_BEHAVIOR_BB)
-+ printk(KERN_INFO "\tHooking IMQ before NAT on POSTROUTING.\n");
-+#else
-+ printk(KERN_INFO "\tHooking IMQ after NAT on POSTROUTING.\n");
-+#endif
-+
-+ return 0;
-+}
-+
-+static void __exit imq_cleanup_module(void)
-+{
-+ imq_unhook();
-+ imq_cleanup_devs();
-+ printk(KERN_INFO "IMQ driver unloaded successfully.\n");
-+}
-+
-+
-+module_init(imq_init_module);
-+module_exit(imq_cleanup_module);
-+
-+module_param(numdevs, int, 0);
-+MODULE_PARM_DESC(numdevs, "number of IMQ devices (how many imq* devices will be created)");
-+MODULE_AUTHOR("http://www.linuximq.net");
-+MODULE_DESCRIPTION("Pseudo-driver for the intermediate queue device. See http://www.linuximq.net/ for more information.");
-+MODULE_LICENSE("GPL");
---- a/drivers/net/Kconfig
-+++ b/drivers/net/Kconfig
-@@ -96,6 +96,129 @@
- To compile this driver as a module, choose M here: the module
- will be called eql. If unsure, say N.
-
-+config IMQ
-+ tristate "IMQ (intermediate queueing device) support"
-+ depends on NETDEVICES && NETFILTER
-+ ---help---
-+ The IMQ device(s) is used as placeholder for QoS queueing
-+ disciplines. Every packet entering/leaving the IP stack can be
-+ directed through the IMQ device where it's enqueued/dequeued to the
-+ attached qdisc. This allows you to treat network devices as classes
-+ and distribute bandwidth among them. Iptables is used to specify
-+ through which IMQ device, if any, packets travel.
-+
-+ More information at: http://www.linuximq.net/
-+
-+ To compile this driver as a module, choose M here: the module
-+ will be called imq. If unsure, say N.
-+
-+choice
-+ prompt "IMQ behavior (PRE/POSTROUTING)"
-+ depends on IMQ
-+ default IMQ_BEHAVIOR_BA
-+ help
-+
-+ This settings defines how IMQ behaves in respect to its
-+ hooking in PREROUTING and POSTROUTING.
-+
-+ IMQ can work in any of the following ways:
-+
-+ PREROUTING | POSTROUTING
-+ -----------------|-------------------
-+ #1 After NAT | After NAT
-+ #2 After NAT | Before NAT
-+ #3 Before NAT | After NAT
-+ #4 Before NAT | Before NAT
-+
-+ The default behavior is to hook before NAT on PREROUTING
-+ and after NAT on POSTROUTING (#3).
-+
-+ This settings are specially usefull when trying to use IMQ
-+ to shape NATed clients.
-+
-+ More information can be found at: www.linuximq.net
-+
-+ If not sure leave the default settings alone.
-+
-+config IMQ_BEHAVIOR_AA
-+ bool "IMQ AA"
-+ help
-+ This settings defines how IMQ behaves in respect to its
-+ hooking in PREROUTING and POSTROUTING.
-+
-+ Choosing this option will make IMQ hook like this:
-+
-+ PREROUTING: After NAT
-+ POSTROUTING: After NAT
-+
-+ More information can be found at: www.linuximq.net
-+
-+ If not sure leave the default settings alone.
-+
-+config IMQ_BEHAVIOR_AB
-+ bool "IMQ AB"
-+ help
-+ This settings defines how IMQ behaves in respect to its
-+ hooking in PREROUTING and POSTROUTING.
-+
-+ Choosing this option will make IMQ hook like this:
-+
-+ PREROUTING: After NAT
-+ POSTROUTING: Before NAT
-+
-+ More information can be found at: www.linuximq.net
-+
-+ If not sure leave the default settings alone.
-+
-+config IMQ_BEHAVIOR_BA
-+ bool "IMQ BA"
-+ help
-+ This settings defines how IMQ behaves in respect to its
-+ hooking in PREROUTING and POSTROUTING.
-+
-+ Choosing this option will make IMQ hook like this:
-+
-+ PREROUTING: Before NAT
-+ POSTROUTING: After NAT
-+
-+ More information can be found at: www.linuximq.net
-+
-+ If not sure leave the default settings alone.
-+
-+config IMQ_BEHAVIOR_BB
-+ bool "IMQ BB"
-+ help
-+ This settings defines how IMQ behaves in respect to its
-+ hooking in PREROUTING and POSTROUTING.
-+
-+ Choosing this option will make IMQ hook like this:
-+
-+ PREROUTING: Before NAT
-+ POSTROUTING: Before NAT
-+
-+ More information can be found at: www.linuximq.net
-+
-+ If not sure leave the default settings alone.
-+
-+endchoice
-+
-+config IMQ_NUM_DEVS
-+
-+ int "Number of IMQ devices"
-+ range 2 8
-+ depends on IMQ
-+ default "2"
-+ help
-+
-+ This settings defines how many IMQ devices will be
-+ created.
-+
-+ The default value is 2.
-+
-+ More information can be found at: www.linuximq.net
-+
-+ If not sure leave the default settings alone.
-+
- config TUN
- tristate "Universal TUN/TAP device driver support"
- select CRC32
---- a/drivers/net/Makefile
-+++ b/drivers/net/Makefile
-@@ -124,6 +124,7 @@
- obj-$(CONFIG_SLHC) += slhc.o
-
- obj-$(CONFIG_DUMMY) += dummy.o
-+obj-$(CONFIG_IMQ) += imq.o
- obj-$(CONFIG_IFB) += ifb.o
- obj-$(CONFIG_DE600) += de600.o
- obj-$(CONFIG_DE620) += de620.o
---- /dev/null
-+++ b/include/linux/imq.h
-@@ -0,0 +1,9 @@
-+#ifndef _IMQ_H
-+#define _IMQ_H
-+
-+#define IMQ_MAX_DEVS 16
-+
-+#define IMQ_F_IFMASK 0x7f
-+#define IMQ_F_ENQUEUE 0x80
-+
-+#endif /* _IMQ_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_IMQ.h
-@@ -0,0 +1,8 @@
-+#ifndef _IPT_IMQ_H
-+#define _IPT_IMQ_H
-+
-+struct ipt_imq_info {
-+ unsigned int todev; /* target imq device */
-+};
-+
-+#endif /* _IPT_IMQ_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv6/ip6t_IMQ.h
-@@ -0,0 +1,8 @@
-+#ifndef _IP6T_IMQ_H
-+#define _IP6T_IMQ_H
-+
-+struct ip6t_imq_info {
-+ unsigned int todev; /* target imq device */
-+};
-+
-+#endif /* _IP6T_IMQ_H */
---- a/include/linux/skbuff.h
-+++ b/include/linux/skbuff.h
-@@ -285,6 +285,10 @@
- struct nf_conntrack *nfct;
- struct sk_buff *nfct_reasm;
- #endif
-+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
-+ unsigned char imq_flags;
-+ struct nf_info *nf_info;
-+#endif
- #ifdef CONFIG_BRIDGE_NETFILTER
- struct nf_bridge_info *nf_bridge;
- #endif
---- a/net/core/dev.c
-+++ b/net/core/dev.c
-@@ -94,6 +94,9 @@
- #include <linux/skbuff.h>
- #include <net/sock.h>
- #include <linux/rtnetlink.h>
-+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
-+#include <linux/imq.h>
-+#endif
- #include <linux/proc_fs.h>
- #include <linux/seq_file.h>
- #include <linux/stat.h>
-@@ -1404,6 +1407,9 @@
- {
- if (likely(!skb->next)) {
- if (!list_empty(&ptype_all))
-+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
-+ if (!(skb->imq_flags & IMQ_F_ENQUEUE))
-+#endif
- dev_queue_xmit_nit(skb, dev);
-
- if (netif_needs_gso(dev, skb)) {
---- a/net/core/skbuff.c
-+++ b/net/core/skbuff.c
-@@ -419,6 +419,10 @@
- C(pkt_type);
- C(ip_summed);
- C(priority);
-+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
-+ C(imq_flags);
-+ C(nf_info);
-+#endif /*CONFIG_IMQ*/
- #if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE)
- C(ipvs_property);
- #endif
-@@ -485,6 +489,10 @@
- #if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE)
- new->ipvs_property = old->ipvs_property;
- #endif
-+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
-+ new->imq_flags = old->imq_flags;
-+ new->nf_info = old->nf_info;
-+#endif /*CONFIG_IMQ*/
- #ifdef CONFIG_NET_SCHED
- #ifdef CONFIG_NET_CLS_ACT
- new->tc_verd = old->tc_verd;
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_IMQ.c
-@@ -0,0 +1,69 @@
-+/*
-+ * This target marks packets to be enqueued to an imq device
-+ */
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ipt_IMQ.h>
-+#include <linux/imq.h>
-+
-+static unsigned int imq_target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+{
-+ struct ipt_imq_info *mr = (struct ipt_imq_info*)targinfo;
-+
-+ (*pskb)->imq_flags = mr->todev | IMQ_F_ENQUEUE;
-+
-+ return XT_CONTINUE;
-+}
-+
-+static int imq_checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+{
-+ struct ipt_imq_info *mr;
-+
-+ mr = (struct ipt_imq_info*)targinfo;
-+
-+ if (mr->todev > IMQ_MAX_DEVS) {
-+ printk(KERN_WARNING
-+ "IMQ: invalid device specified, highest is %u\n",
-+ IMQ_MAX_DEVS);
-+ return 0;
-+ }
-+
-+ return 1;
-+}
-+
-+static struct xt_target ipt_imq_reg = {
-+ .name = "IMQ",
-+ .family = AF_INET,
-+ .target = imq_target,
-+ .targetsize = sizeof(struct ipt_imq_info),
-+ .checkentry = imq_checkentry,
-+ .me = THIS_MODULE,
-+ .table = "mangle"
-+};
-+
-+static int __init init(void)
-+{
-+ return xt_register_target(&ipt_imq_reg);
-+}
-+
-+static void __exit fini(void)
-+{
-+ xt_unregister_target(&ipt_imq_reg);
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+
-+MODULE_AUTHOR("http://www.linuximq.net");
-+MODULE_DESCRIPTION("Pseudo-driver for the intermediate queue device. See http://www.linuximq.net/ for more information.");
-+MODULE_LICENSE("GPL");
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -333,6 +333,17 @@
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config IP_NF_TARGET_IMQ
-+ tristate "IMQ target support"
-+ depends on IP_NF_MANGLE
-+ help
-+ This option adds a `IMQ' target which is used to specify if and
-+ to which IMQ device packets should get enqueued/dequeued.
-+
-+ For more information visit: http://www.linuximq.net/
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
- config IP_NF_TARGET_TOS
- tristate "TOS target support"
- depends on IP_NF_MANGLE
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -57,6 +57,7 @@
- obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
- obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TOS.o
- obj-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN.o
-+obj-$(CONFIG_IP_NF_TARGET_IMQ) += ipt_IMQ.o
- obj-$(CONFIG_IP_NF_TARGET_MASQUERADE) += ipt_MASQUERADE.o
- obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o
- obj-$(CONFIG_IP_NF_TARGET_NETMAP) += ipt_NETMAP.o
---- /dev/null
-+++ b/net/ipv6/netfilter/ip6t_IMQ.c
-@@ -0,0 +1,69 @@
-+/*
-+ * This target marks packets to be enqueued to an imq device
-+ */
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv6/ip6_tables.h>
-+#include <linux/netfilter_ipv6/ip6t_IMQ.h>
-+#include <linux/imq.h>
-+
-+static unsigned int imq_target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+{
-+ struct ip6t_imq_info *mr = (struct ip6t_imq_info*)targinfo;
-+
-+ (*pskb)->imq_flags = mr->todev | IMQ_F_ENQUEUE;
-+
-+ return XT_CONTINUE;
-+}
-+
-+static int imq_checkentry(const char *tablename,
-+ const void *entry,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+{
-+ struct ip6t_imq_info *mr;
-+
-+ mr = (struct ip6t_imq_info*)targinfo;
-+
-+ if (mr->todev > IMQ_MAX_DEVS) {
-+ printk(KERN_WARNING
-+ "IMQ: invalid device specified, highest is %u\n",
-+ IMQ_MAX_DEVS);
-+ return 0;
-+ }
-+
-+ return 1;
-+}
-+
-+static struct xt_target ip6t_imq_reg = {
-+ .name = "IMQ",
-+ .family = AF_INET6,
-+ .target = imq_target,
-+ .targetsize = sizeof(struct ip6t_imq_info),
-+ .table = "mangle",
-+ .checkentry = imq_checkentry,
-+ .me = THIS_MODULE
-+};
-+
-+static int __init init(void)
-+{
-+ return xt_register_target(&ip6t_imq_reg);
-+}
-+
-+static void __exit fini(void)
-+{
-+ xt_unregister_target(&ip6t_imq_reg);
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+
-+MODULE_AUTHOR("http://www.linuximq.net");
-+MODULE_DESCRIPTION("Pseudo-driver for the intermediate queue device. See http://www.linuximq.net/ for more information.");
-+MODULE_LICENSE("GPL");
---- a/net/ipv6/netfilter/Kconfig
-+++ b/net/ipv6/netfilter/Kconfig
-@@ -173,6 +173,15 @@
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config IP6_NF_TARGET_IMQ
-+ tristate "IMQ target support"
-+ depends on IP6_NF_MANGLE
-+ help
-+ This option adds a `IMQ' target which is used to specify if and
-+ to which imq device packets should get enqueued/dequeued.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
- config IP6_NF_TARGET_HL
- tristate 'HL (hoplimit) target support'
- depends on IP6_NF_MANGLE
---- a/net/ipv6/netfilter/Makefile
-+++ b/net/ipv6/netfilter/Makefile
-@@ -13,6 +13,7 @@
- obj-$(CONFIG_IP6_NF_MATCH_OWNER) += ip6t_owner.o
- obj-$(CONFIG_IP6_NF_FILTER) += ip6table_filter.o
- obj-$(CONFIG_IP6_NF_MANGLE) += ip6table_mangle.o
-+obj-$(CONFIG_IP6_NF_TARGET_IMQ) += ip6t_IMQ.o
- obj-$(CONFIG_IP6_NF_TARGET_HL) += ip6t_HL.o
- obj-$(CONFIG_IP6_NF_QUEUE) += ip6_queue.o
- obj-$(CONFIG_IP6_NF_TARGET_LOG) += ip6t_LOG.o
---- a/net/sched/sch_generic.c
-+++ b/net/sched/sch_generic.c
-@@ -77,7 +77,6 @@
-
- NOTE: Called under dev->queue_lock with locally disabled BH.
- */
--
- static inline int qdisc_restart(struct net_device *dev)
- {
- struct Qdisc *q = dev->qdisc;
-@@ -177,6 +176,11 @@
- return q->q.qlen;
- }
-
-+int qdisc_restart1(struct net_device *dev)
-+{
-+ return qdisc_restart(dev);
-+}
-+
- void __qdisc_run(struct net_device *dev)
- {
- do {
-@@ -608,3 +612,4 @@
- EXPORT_SYMBOL(qdisc_reset);
- EXPORT_SYMBOL(qdisc_lock_tree);
- EXPORT_SYMBOL(qdisc_unlock_tree);
-+EXPORT_SYMBOL(qdisc_restart1);
+++ /dev/null
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_ROUTE.h
-@@ -0,0 +1,23 @@
-+/* Header file for iptables ipt_ROUTE target
-+ *
-+ * (C) 2002 by Cédric de Launois <delaunois@info.ucl.ac.be>
-+ *
-+ * This software is distributed under GNU GPL v2, 1991
-+ */
-+#ifndef _IPT_ROUTE_H_target
-+#define _IPT_ROUTE_H_target
-+
-+#define IPT_ROUTE_IFNAMSIZ 16
-+
-+struct ipt_route_target_info {
-+ char oif[IPT_ROUTE_IFNAMSIZ]; /* Output Interface Name */
-+ char iif[IPT_ROUTE_IFNAMSIZ]; /* Input Interface Name */
-+ u_int32_t gw; /* IP address of gateway */
-+ u_int8_t flags;
-+};
-+
-+/* Values for "flags" field */
-+#define IPT_ROUTE_CONTINUE 0x01
-+#define IPT_ROUTE_TEE 0x02
-+
-+#endif /*_IPT_ROUTE_H_target*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv6/ip6t_ROUTE.h
-@@ -0,0 +1,23 @@
-+/* Header file for iptables ip6t_ROUTE target
-+ *
-+ * (C) 2003 by Cédric de Launois <delaunois@info.ucl.ac.be>
-+ *
-+ * This software is distributed under GNU GPL v2, 1991
-+ */
-+#ifndef _IPT_ROUTE_H_target
-+#define _IPT_ROUTE_H_target
-+
-+#define IP6T_ROUTE_IFNAMSIZ 16
-+
-+struct ip6t_route_target_info {
-+ char oif[IP6T_ROUTE_IFNAMSIZ]; /* Output Interface Name */
-+ char iif[IP6T_ROUTE_IFNAMSIZ]; /* Input Interface Name */
-+ u_int32_t gw[4]; /* IPv6 address of gateway */
-+ u_int8_t flags;
-+};
-+
-+/* Values for "flags" field */
-+#define IP6T_ROUTE_CONTINUE 0x01
-+#define IP6T_ROUTE_TEE 0x02
-+
-+#endif /*_IP6T_ROUTE_H_target*/
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_ROUTE.c
-@@ -0,0 +1,483 @@
-+/*
-+ * This implements the ROUTE target, which enables you to setup unusual
-+ * routes not supported by the standard kernel routing table.
-+ *
-+ * Copyright (C) 2002 Cedric de Launois <delaunois@info.ucl.ac.be>
-+ *
-+ * v 1.11 2004/11/23
-+ *
-+ * This software is distributed under GNU GPL v2, 1991
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/ip.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <net/netfilter/nf_conntrack.h>
-+#include <linux/netfilter_ipv4/ipt_ROUTE.h>
-+#include <linux/netdevice.h>
-+#include <linux/route.h>
-+#include <linux/version.h>
-+#include <linux/if_arp.h>
-+#include <net/ip.h>
-+#include <net/route.h>
-+#include <net/icmp.h>
-+#include <net/checksum.h>
-+
-+#if 0
-+#define DEBUGP printk
-+#else
-+#define DEBUGP(format, args...)
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Cedric de Launois <delaunois@info.ucl.ac.be>");
-+MODULE_DESCRIPTION("iptables ROUTE target module");
-+
-+/* Try to route the packet according to the routing keys specified in
-+ * route_info. Keys are :
-+ * - ifindex :
-+ * 0 if no oif preferred,
-+ * otherwise set to the index of the desired oif
-+ * - route_info->gw :
-+ * 0 if no gateway specified,
-+ * otherwise set to the next host to which the pkt must be routed
-+ * If success, skb->dev is the output device to which the packet must
-+ * be sent and skb->dst is not NULL
-+ *
-+ * RETURN: -1 if an error occured
-+ * 1 if the packet was succesfully routed to the
-+ * destination desired
-+ * 0 if the kernel routing table could not route the packet
-+ * according to the keys specified
-+ */
-+static int route(struct sk_buff *skb,
-+ unsigned int ifindex,
-+ const struct ipt_route_target_info *route_info)
-+{
-+ int err;
-+ struct rtable *rt;
-+ struct iphdr *iph = ip_hdr(skb);
-+ struct flowi fl = {
-+ .oif = ifindex,
-+ .nl_u = {
-+ .ip4_u = {
-+ .daddr = iph->daddr,
-+ .saddr = 0,
-+ .tos = RT_TOS(iph->tos),
-+ .scope = RT_SCOPE_UNIVERSE,
-+ }
-+ }
-+ };
-+
-+ /* The destination address may be overloaded by the target */
-+ if (route_info->gw)
-+ fl.fl4_dst = route_info->gw;
-+
-+ /* Trying to route the packet using the standard routing table. */
-+ if ((err = ip_route_output_key(&rt, &fl))) {
-+ if (net_ratelimit())
-+ DEBUGP("ipt_ROUTE: couldn't route pkt (err: %i)",err);
-+ return -1;
-+ }
-+
-+ /* Drop old route. */
-+ dst_release(skb->dst);
-+ skb->dst = NULL;
-+
-+ /* Success if no oif specified or if the oif correspond to the
-+ * one desired */
-+ if (!ifindex || rt->u.dst.dev->ifindex == ifindex) {
-+ skb->dst = &rt->u.dst;
-+ skb->dev = skb->dst->dev;
-+ skb->protocol = htons(ETH_P_IP);
-+ return 1;
-+ }
-+
-+ /* The interface selected by the routing table is not the one
-+ * specified by the user. This may happen because the dst address
-+ * is one of our own addresses.
-+ */
-+ if (net_ratelimit())
-+ DEBUGP("ipt_ROUTE: failed to route as desired gw=%u.%u.%u.%u oif=%i (got oif=%i)\n",
-+ NIPQUAD(route_info->gw), ifindex, rt->u.dst.dev->ifindex);
-+
-+ return 0;
-+}
-+
-+
-+/* Stolen from ip_finish_output2
-+ * PRE : skb->dev is set to the device we are leaving by
-+ * skb->dst is not NULL
-+ * POST: the packet is sent with the link layer header pushed
-+ * the packet is destroyed
-+ */
-+static void ip_direct_send(struct sk_buff *skb)
-+{
-+ struct dst_entry *dst = skb->dst;
-+ struct hh_cache *hh = dst->hh;
-+ struct net_device *dev = dst->dev;
-+ int hh_len = LL_RESERVED_SPACE(dev);
-+
-+ /* Be paranoid, rather than too clever. */
-+ if (unlikely(skb_headroom(skb) < hh_len && dev->hard_header)) {
-+ struct sk_buff *skb2;
-+
-+ skb2 = skb_realloc_headroom(skb, LL_RESERVED_SPACE(dev));
-+ if (skb2 == NULL) {
-+ kfree_skb(skb);
-+ return;
-+ }
-+ if (skb->sk)
-+ skb_set_owner_w(skb2, skb->sk);
-+ kfree_skb(skb);
-+ skb = skb2;
-+ }
-+
-+ if (hh) {
-+ int hh_alen;
-+
-+ read_lock_bh(&hh->hh_lock);
-+ hh_alen = HH_DATA_ALIGN(hh->hh_len);
-+ memcpy(skb->data - hh_alen, hh->hh_data, hh_alen);
-+ read_unlock_bh(&hh->hh_lock);
-+ skb_push(skb, hh->hh_len);
-+ hh->hh_output(skb);
-+ } else if (dst->neighbour)
-+ dst->neighbour->output(skb);
-+ else {
-+ if (net_ratelimit())
-+ DEBUGP(KERN_DEBUG "ipt_ROUTE: no hdr & no neighbour cache!\n");
-+ kfree_skb(skb);
-+ }
-+}
-+
-+
-+/* PRE : skb->dev is set to the device we are leaving by
-+ * POST: - the packet is directly sent to the skb->dev device, without
-+ * pushing the link layer header.
-+ * - the packet is destroyed
-+ */
-+static inline int dev_direct_send(struct sk_buff *skb)
-+{
-+ return dev_queue_xmit(skb);
-+}
-+
-+
-+static unsigned int route_oif(const struct ipt_route_target_info *route_info,
-+ struct sk_buff *skb)
-+{
-+ unsigned int ifindex = 0;
-+ struct net_device *dev_out = NULL;
-+
-+ /* The user set the interface name to use.
-+ * Getting the current interface index.
-+ */
-+ if ((dev_out = dev_get_by_name(route_info->oif))) {
-+ ifindex = dev_out->ifindex;
-+ } else {
-+ /* Unknown interface name : packet dropped */
-+ if (net_ratelimit())
-+ DEBUGP("ipt_ROUTE: oif interface %s not found\n", route_info->oif);
-+ return NF_DROP;
-+ }
-+
-+ /* Trying the standard way of routing packets */
-+ switch (route(skb, ifindex, route_info)) {
-+ case 1:
-+ dev_put(dev_out);
-+ if (route_info->flags & IPT_ROUTE_CONTINUE)
-+ return IPT_CONTINUE;
-+
-+ ip_direct_send(skb);
-+ return NF_STOLEN;
-+
-+ case 0:
-+ /* Failed to send to oif. Trying the hard way */
-+ if (route_info->flags & IPT_ROUTE_CONTINUE)
-+ return NF_DROP;
-+
-+ if (net_ratelimit())
-+ DEBUGP("ipt_ROUTE: forcing the use of %i\n",
-+ ifindex);
-+
-+ /* We have to force the use of an interface.
-+ * This interface must be a tunnel interface since
-+ * otherwise we can't guess the hw address for
-+ * the packet. For a tunnel interface, no hw address
-+ * is needed.
-+ */
-+ if ((dev_out->type != ARPHRD_TUNNEL)
-+ && (dev_out->type != ARPHRD_IPGRE)) {
-+ if (net_ratelimit())
-+ DEBUGP("ipt_ROUTE: can't guess the hw addr !\n");
-+ dev_put(dev_out);
-+ return NF_DROP;
-+ }
-+
-+ /* Send the packet. This will also free skb
-+ * Do not go through the POST_ROUTING hook because
-+ * skb->dst is not set and because it will probably
-+ * get confused by the destination IP address.
-+ */
-+ skb->dev = dev_out;
-+ dev_direct_send(skb);
-+ dev_put(dev_out);
-+ return NF_STOLEN;
-+
-+ default:
-+ /* Unexpected error */
-+ dev_put(dev_out);
-+ return NF_DROP;
-+ }
-+}
-+
-+
-+static unsigned int route_iif(const struct ipt_route_target_info *route_info,
-+ struct sk_buff *skb)
-+{
-+ struct net_device *dev_in = NULL;
-+
-+ /* Getting the current interface index. */
-+ if (!(dev_in = dev_get_by_name(route_info->iif))) {
-+ if (net_ratelimit())
-+ DEBUGP("ipt_ROUTE: iif interface %s not found\n", route_info->iif);
-+ return NF_DROP;
-+ }
-+
-+ skb->dev = dev_in;
-+ dst_release(skb->dst);
-+ skb->dst = NULL;
-+
-+ netif_rx(skb);
-+ dev_put(dev_in);
-+ return NF_STOLEN;
-+}
-+
-+
-+static unsigned int route_gw(const struct ipt_route_target_info *route_info,
-+ struct sk_buff *skb)
-+{
-+ if (route(skb, 0, route_info)!=1)
-+ return NF_DROP;
-+
-+ if (route_info->flags & IPT_ROUTE_CONTINUE)
-+ return IPT_CONTINUE;
-+
-+ ip_direct_send(skb);
-+ return NF_STOLEN;
-+}
-+
-+
-+/* To detect and deter routed packet loopback when using the --tee option,
-+ * we take a page out of the raw.patch book: on the copied skb, we set up
-+ * a fake ->nfct entry, pointing to the local &route_tee_track. We skip
-+ * routing packets when we see they already have that ->nfct.
-+ */
-+
-+static struct nf_conn route_tee_track;
-+
-+static unsigned int ipt_route_target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_target *target,
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ const void *targinfo,
-+ void *userinfo)
-+#else
-+ const void *targinfo)
-+#endif
-+{
-+ const struct ipt_route_target_info *route_info = targinfo;
-+ struct sk_buff *skb = *pskb;
-+ unsigned int res;
-+
-+ if (skb->nfct == &route_tee_track.ct_general) {
-+ /* Loopback - a packet we already routed, is to be
-+ * routed another time. Avoid that, now.
-+ */
-+ if (net_ratelimit())
-+ DEBUGP(KERN_DEBUG "ipt_ROUTE: loopback - DROP!\n");
-+ return NF_DROP;
-+ }
-+
-+ /* If we are at PREROUTING or INPUT hook
-+ * the TTL isn't decreased by the IP stack
-+ */
-+ if (hooknum == NF_IP_PRE_ROUTING ||
-+ hooknum == NF_IP_LOCAL_IN) {
-+
-+ struct iphdr *iph = ip_hdr(skb);
-+
-+ if (iph->ttl <= 1) {
-+ struct rtable *rt;
-+ struct flowi fl = {
-+ .oif = 0,
-+ .nl_u = {
-+ .ip4_u = {
-+ .daddr = iph->daddr,
-+ .saddr = iph->saddr,
-+ .tos = RT_TOS(iph->tos),
-+ .scope = ((iph->tos & RTO_ONLINK) ?
-+ RT_SCOPE_LINK :
-+ RT_SCOPE_UNIVERSE)
-+ }
-+ }
-+ };
-+
-+ if (ip_route_output_key(&rt, &fl)) {
-+ return NF_DROP;
-+ }
-+
-+ if (skb->dev == rt->u.dst.dev) {
-+ /* Drop old route. */
-+ dst_release(skb->dst);
-+ skb->dst = &rt->u.dst;
-+
-+ /* this will traverse normal stack, and
-+ * thus call conntrack on the icmp packet */
-+ icmp_send(skb, ICMP_TIME_EXCEEDED,
-+ ICMP_EXC_TTL, 0);
-+ }
-+
-+ return NF_DROP;
-+ }
-+
-+ /*
-+ * If we are at INPUT the checksum must be recalculated since
-+ * the length could change as the result of a defragmentation.
-+ */
-+ if(hooknum == NF_IP_LOCAL_IN) {
-+ iph->ttl = iph->ttl - 1;
-+ iph->check = 0;
-+ iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
-+ } else {
-+ ip_decrease_ttl(iph);
-+ }
-+ }
-+
-+ if ((route_info->flags & IPT_ROUTE_TEE)) {
-+ /*
-+ * Copy the *pskb, and route the copy. Will later return
-+ * IPT_CONTINUE for the original skb, which should continue
-+ * on its way as if nothing happened. The copy should be
-+ * independantly delivered to the ROUTE --gw.
-+ */
-+ skb = skb_copy(*pskb, GFP_ATOMIC);
-+ if (!skb) {
-+ if (net_ratelimit())
-+ DEBUGP(KERN_DEBUG "ipt_ROUTE: copy failed!\n");
-+ return IPT_CONTINUE;
-+ }
-+ }
-+
-+ /* Tell conntrack to forget this packet since it may get confused
-+ * when a packet is leaving with dst address == our address.
-+ * Good idea ? Dunno. Need advice.
-+ *
-+ * NEW: mark the skb with our &route_tee_track, so we avoid looping
-+ * on any already routed packet.
-+ */
-+ if (!(route_info->flags & IPT_ROUTE_CONTINUE)) {
-+ nf_conntrack_put(skb->nfct);
-+ skb->nfct = &route_tee_track.ct_general;
-+ skb->nfctinfo = IP_CT_NEW;
-+ nf_conntrack_get(skb->nfct);
-+ }
-+
-+ if (route_info->oif[0] != '\0') {
-+ res = route_oif(route_info, skb);
-+ } else if (route_info->iif[0] != '\0') {
-+ res = route_iif(route_info, skb);
-+ } else if (route_info->gw) {
-+ res = route_gw(route_info, skb);
-+ } else {
-+ if (net_ratelimit())
-+ DEBUGP(KERN_DEBUG "ipt_ROUTE: no parameter !\n");
-+ res = IPT_CONTINUE;
-+ }
-+
-+ if ((route_info->flags & IPT_ROUTE_TEE))
-+ res = IPT_CONTINUE;
-+
-+ return res;
-+}
-+
-+
-+static int ipt_route_checkentry(const char *tablename,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ const void *e,
-+#else
-+ const struct ipt_ip *ip,
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_target *target,
-+#endif
-+ void *targinfo,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ unsigned int targinfosize,
-+#endif
-+ unsigned int hook_mask)
-+{
-+ if (strcmp(tablename, "mangle") != 0) {
-+ printk("ipt_ROUTE: bad table `%s', use the `mangle' table.\n",
-+ tablename);
-+ return 0;
-+ }
-+
-+ if (hook_mask & ~( (1 << NF_IP_PRE_ROUTING)
-+ | (1 << NF_IP_LOCAL_IN)
-+ | (1 << NF_IP_FORWARD)
-+ | (1 << NF_IP_LOCAL_OUT)
-+ | (1 << NF_IP_POST_ROUTING))) {
-+ printk("ipt_ROUTE: bad hook\n");
-+ return 0;
-+ }
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ if (targinfosize != IPT_ALIGN(sizeof(struct ipt_route_target_info))) {
-+ printk(KERN_WARNING "ipt_ROUTE: targinfosize %u != %Zu\n",
-+ targinfosize,
-+ IPT_ALIGN(sizeof(struct ipt_route_target_info)));
-+ return 0;
-+ }
-+#endif
-+
-+ return 1;
-+}
-+
-+
-+static struct ipt_target ipt_route_reg = {
-+ .name = "ROUTE",
-+ .target = ipt_route_target,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ .targetsize = sizeof(struct ipt_route_target_info),
-+#endif
-+ .checkentry = ipt_route_checkentry,
-+ .me = THIS_MODULE,
-+};
-+
-+static int __init init(void)
-+{
-+ /* Set up fake conntrack (stolen from raw.patch):
-+ - to never be deleted, not in any hashes */
-+ atomic_set(&route_tee_track.ct_general.use, 1);
-+ /* - and look it like as a confirmed connection */
-+ set_bit(IPS_CONFIRMED_BIT, &route_tee_track.status);
-+ /* Initialize fake conntrack so that NAT will skip it */
-+ route_tee_track.status |= IPS_NAT_DONE_MASK;
-+
-+ return xt_register_target(&ipt_route_reg);
-+}
-+
-+
-+static void __exit fini(void)
-+{
-+ xt_unregister_target(&ipt_route_reg);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -552,5 +552,22 @@
- To compile it as a module, choose M here. If unsure, say N.
-
-
-+config IP_NF_TARGET_ROUTE
-+ tristate 'ROUTE target support'
-+ depends on IP_NF_MANGLE
-+ help
-+ This option adds a `ROUTE' target, which enables you to setup unusual
-+ routes. For example, the ROUTE lets you route a received packet through
-+ an interface or towards a host, even if the regular destination of the
-+ packet is the router itself. The ROUTE target is also able to change the
-+ incoming interface of a packet.
-+
-+ The target can be or not a final target. It has to be used inside the
-+ mangle table.
-+
-+ If you want to compile it as a module, say M here and read
-+ Documentation/modules.txt. The module will be called ipt_ROUTE.o.
-+ If unsure, say `N'.
-+
- endmenu
-
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -60,6 +60,7 @@
- obj-$(CONFIG_IP_NF_TARGET_IMQ) += ipt_IMQ.o
- obj-$(CONFIG_IP_NF_TARGET_MASQUERADE) += ipt_MASQUERADE.o
- obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o
-+obj-$(CONFIG_IP_NF_TARGET_ROUTE) += ipt_ROUTE.o
- obj-$(CONFIG_IP_NF_TARGET_NETMAP) += ipt_NETMAP.o
- obj-$(CONFIG_IP_NF_TARGET_SAME) += ipt_SAME.o
- obj-$(CONFIG_IP_NF_TARGET_LOG) += ipt_LOG.o
---- a/net/ipv6/ndisc.c
-+++ b/net/ipv6/ndisc.c
-@@ -154,6 +154,8 @@
- .gc_thresh3 = 1024,
- };
-
-+EXPORT_SYMBOL(nd_tbl);
-+
- /* ND options */
- struct ndisc_options {
- struct nd_opt_hdr *nd_opt_array[__ND_OPT_ARRAY_MAX];
---- /dev/null
-+++ b/net/ipv6/netfilter/ip6t_ROUTE.c
-@@ -0,0 +1,330 @@
-+/*
-+ * This implements the ROUTE v6 target, which enables you to setup unusual
-+ * routes not supported by the standard kernel routing table.
-+ *
-+ * Copyright (C) 2003 Cedric de Launois <delaunois@info.ucl.ac.be>
-+ *
-+ * v 1.1 2004/11/23
-+ *
-+ * This software is distributed under GNU GPL v2, 1991
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/ipv6.h>
-+#include <linux/netfilter_ipv6/ip6_tables.h>
-+#include <linux/netfilter_ipv6/ip6t_ROUTE.h>
-+#include <linux/netdevice.h>
-+#include <linux/version.h>
-+#include <net/ipv6.h>
-+#include <net/ndisc.h>
-+#include <net/ip6_route.h>
-+#include <linux/icmpv6.h>
-+
-+#if 1
-+#define DEBUGP printk
-+#else
-+#define DEBUGP(format, args...)
-+#endif
-+
-+#define NIP6(addr) \
-+ ntohs((addr).s6_addr16[0]), \
-+ ntohs((addr).s6_addr16[1]), \
-+ ntohs((addr).s6_addr16[2]), \
-+ ntohs((addr).s6_addr16[3]), \
-+ ntohs((addr).s6_addr16[4]), \
-+ ntohs((addr).s6_addr16[5]), \
-+ ntohs((addr).s6_addr16[6]), \
-+ ntohs((addr).s6_addr16[7])
-+
-+/* Route the packet according to the routing keys specified in
-+ * route_info. Keys are :
-+ * - ifindex :
-+ * 0 if no oif preferred,
-+ * otherwise set to the index of the desired oif
-+ * - route_info->gw :
-+ * 0 if no gateway specified,
-+ * otherwise set to the next host to which the pkt must be routed
-+ * If success, skb->dev is the output device to which the packet must
-+ * be sent and skb->dst is not NULL
-+ *
-+ * RETURN: 1 if the packet was succesfully routed to the
-+ * destination desired
-+ * 0 if the kernel routing table could not route the packet
-+ * according to the keys specified
-+ */
-+static int
-+route6(struct sk_buff *skb,
-+ unsigned int ifindex,
-+ const struct ip6t_route_target_info *route_info)
-+{
-+ struct rt6_info *rt = NULL;
-+ struct ipv6hdr *ipv6h = ipv6_hdr(skb);
-+ struct in6_addr *gw = (struct in6_addr*)&route_info->gw;
-+
-+ DEBUGP("ip6t_ROUTE: called with: ");
-+ DEBUGP("DST=%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x ", NIP6(ipv6h->daddr));
-+ DEBUGP("GATEWAY=%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x ", NIP6(*gw));
-+ DEBUGP("OUT=%s\n", route_info->oif);
-+
-+ if (ipv6_addr_any(gw))
-+ rt = rt6_lookup(&ipv6h->daddr, &ipv6h->saddr, ifindex, 1);
-+ else
-+ rt = rt6_lookup(gw, &ipv6h->saddr, ifindex, 1);
-+
-+ if (!rt)
-+ goto no_route;
-+
-+ DEBUGP("ip6t_ROUTE: routing gives: ");
-+ DEBUGP("DST=%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x ", NIP6(rt->rt6i_dst.addr));
-+ DEBUGP("GATEWAY=%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x ", NIP6(rt->rt6i_gateway));
-+ DEBUGP("OUT=%s\n", rt->rt6i_dev->name);
-+
-+ if (ifindex && rt->rt6i_dev->ifindex!=ifindex)
-+ goto wrong_route;
-+
-+ if (!rt->rt6i_nexthop) {
-+ DEBUGP("ip6t_ROUTE: discovering neighbour\n");
-+ rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_dst.addr);
-+ }
-+
-+ /* Drop old route. */
-+ dst_release(skb->dst);
-+ skb->dst = &rt->u.dst;
-+ skb->dev = rt->rt6i_dev;
-+ return 1;
-+
-+ wrong_route:
-+ dst_release(&rt->u.dst);
-+ no_route:
-+ if (!net_ratelimit())
-+ return 0;
-+
-+ printk("ip6t_ROUTE: no explicit route found ");
-+ if (ifindex)
-+ printk("via interface %s ", route_info->oif);
-+ if (!ipv6_addr_any(gw))
-+ printk("via gateway %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x", NIP6(*gw));
-+ printk("\n");
-+ return 0;
-+}
-+
-+
-+/* Stolen from ip6_output_finish
-+ * PRE : skb->dev is set to the device we are leaving by
-+ * skb->dst is not NULL
-+ * POST: the packet is sent with the link layer header pushed
-+ * the packet is destroyed
-+ */
-+static void ip_direct_send(struct sk_buff *skb)
-+{
-+ struct dst_entry *dst = skb->dst;
-+ struct hh_cache *hh = dst->hh;
-+
-+ if (hh) {
-+ read_lock_bh(&hh->hh_lock);
-+ memcpy(skb->data - 16, hh->hh_data, 16);
-+ read_unlock_bh(&hh->hh_lock);
-+ skb_push(skb, hh->hh_len);
-+ hh->hh_output(skb);
-+ } else if (dst->neighbour)
-+ dst->neighbour->output(skb);
-+ else {
-+ if (net_ratelimit())
-+ DEBUGP(KERN_DEBUG "ip6t_ROUTE: no hdr & no neighbour cache!\n");
-+ kfree_skb(skb);
-+ }
-+}
-+
-+
-+static unsigned int
-+route6_oif(const struct ip6t_route_target_info *route_info,
-+ struct sk_buff *skb)
-+{
-+ unsigned int ifindex = 0;
-+ struct net_device *dev_out = NULL;
-+
-+ /* The user set the interface name to use.
-+ * Getting the current interface index.
-+ */
-+ if ((dev_out = dev_get_by_name(route_info->oif))) {
-+ ifindex = dev_out->ifindex;
-+ } else {
-+ /* Unknown interface name : packet dropped */
-+ if (net_ratelimit())
-+ DEBUGP("ip6t_ROUTE: oif interface %s not found\n", route_info->oif);
-+
-+ if (route_info->flags & IP6T_ROUTE_CONTINUE)
-+ return IP6T_CONTINUE;
-+ else
-+ return NF_DROP;
-+ }
-+
-+ /* Trying the standard way of routing packets */
-+ if (route6(skb, ifindex, route_info)) {
-+ dev_put(dev_out);
-+ if (route_info->flags & IP6T_ROUTE_CONTINUE)
-+ return IP6T_CONTINUE;
-+
-+ ip_direct_send(skb);
-+ return NF_STOLEN;
-+ } else
-+ return NF_DROP;
-+}
-+
-+
-+static unsigned int
-+route6_gw(const struct ip6t_route_target_info *route_info,
-+ struct sk_buff *skb)
-+{
-+ if (route6(skb, 0, route_info)) {
-+ if (route_info->flags & IP6T_ROUTE_CONTINUE)
-+ return IP6T_CONTINUE;
-+
-+ ip_direct_send(skb);
-+ return NF_STOLEN;
-+ } else
-+ return NF_DROP;
-+}
-+
-+
-+static unsigned int
-+ip6t_route_target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_target *target,
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ const void *targinfo,
-+ void *userinfo)
-+#else
-+ const void *targinfo)
-+#endif
-+{
-+ const struct ip6t_route_target_info *route_info = targinfo;
-+ struct sk_buff *skb = *pskb;
-+ struct in6_addr *gw = (struct in6_addr*)&route_info->gw;
-+ unsigned int res;
-+
-+ if (route_info->flags & IP6T_ROUTE_CONTINUE)
-+ goto do_it;
-+
-+ /* If we are at PREROUTING or INPUT hook
-+ * the TTL isn't decreased by the IP stack
-+ */
-+ if (hooknum == NF_IP6_PRE_ROUTING ||
-+ hooknum == NF_IP6_LOCAL_IN) {
-+
-+ struct ipv6hdr *ipv6h = ipv6_hdr(skb);
-+
-+ if (ipv6h->hop_limit <= 1) {
-+ /* Force OUTPUT device used as source address */
-+ skb->dev = skb->dst->dev;
-+
-+ icmpv6_send(skb, ICMPV6_TIME_EXCEED,
-+ ICMPV6_EXC_HOPLIMIT, 0, skb->dev);
-+
-+ return NF_DROP;
-+ }
-+
-+ ipv6h->hop_limit--;
-+ }
-+
-+ if ((route_info->flags & IP6T_ROUTE_TEE)) {
-+ /*
-+ * Copy the *pskb, and route the copy. Will later return
-+ * IP6T_CONTINUE for the original skb, which should continue
-+ * on its way as if nothing happened. The copy should be
-+ * independantly delivered to the ROUTE --gw.
-+ */
-+ skb = skb_copy(*pskb, GFP_ATOMIC);
-+ if (!skb) {
-+ if (net_ratelimit())
-+ DEBUGP(KERN_DEBUG "ip6t_ROUTE: copy failed!\n");
-+ return IP6T_CONTINUE;
-+ }
-+ }
-+
-+do_it:
-+ if (route_info->oif[0]) {
-+ res = route6_oif(route_info, skb);
-+ } else if (!ipv6_addr_any(gw)) {
-+ res = route6_gw(route_info, skb);
-+ } else {
-+ if (net_ratelimit())
-+ DEBUGP(KERN_DEBUG "ip6t_ROUTE: no parameter !\n");
-+ res = IP6T_CONTINUE;
-+ }
-+
-+ if ((route_info->flags & IP6T_ROUTE_TEE))
-+ res = IP6T_CONTINUE;
-+
-+ return res;
-+}
-+
-+
-+static int
-+ip6t_route_checkentry(const char *tablename,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ const void *entry,
-+#else
-+ const struct ip6t_entry *entry
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ const struct xt_target *target,
-+#endif
-+ void *targinfo,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ unsigned int targinfosize,
-+#endif
-+ unsigned int hook_mask)
-+{
-+ if (strcmp(tablename, "mangle") != 0) {
-+ printk("ip6t_ROUTE: can only be called from \"mangle\" table.\n");
-+ return 0;
-+ }
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ if (targinfosize != IP6T_ALIGN(sizeof(struct ip6t_route_target_info))) {
-+ printk(KERN_WARNING "ip6t_ROUTE: targinfosize %u != %Zu\n",
-+ targinfosize,
-+ IP6T_ALIGN(sizeof(struct ip6t_route_target_info)));
-+ return 0;
-+ }
-+#endif
-+
-+ return 1;
-+}
-+
-+
-+static struct ip6t_target ip6t_route_reg = {
-+ .name = "ROUTE",
-+ .target = ip6t_route_target,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
-+ .targetsize = sizeof(struct ip6t_route_target_info),
-+#endif
-+ .checkentry = ip6t_route_checkentry,
-+ .me = THIS_MODULE
-+};
-+
-+
-+static int __init init(void)
-+{
-+ printk(KERN_DEBUG "registering ipv6 ROUTE target\n");
-+ if (xt_register_target(&ip6t_route_reg))
-+ return -EINVAL;
-+
-+ return 0;
-+}
-+
-+
-+static void __exit fini(void)
-+{
-+ xt_unregister_target(&ip6t_route_reg);
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+MODULE_LICENSE("GPL");
---- a/net/ipv6/netfilter/Kconfig
-+++ b/net/ipv6/netfilter/Kconfig
-@@ -209,5 +209,18 @@
- If you want to compile it as a module, say M here and read
- <file:Documentation/kbuild/modules.txt>. If unsure, say `N'.
-
-+config IP6_NF_TARGET_ROUTE
-+ tristate 'ROUTE target support'
-+ depends on IP6_NF_MANGLE
-+ help
-+ This option adds a `ROUTE' target, which enables you to setup unusual
-+ routes. The ROUTE target is also able to change the incoming interface
-+ of a packet.
-+
-+ The target can be or not a final target. It has to be used inside the
-+ mangle table.
-+
-+ Not working as a module.
-+
- endmenu
-
---- a/net/ipv6/netfilter/Makefile
-+++ b/net/ipv6/netfilter/Makefile
-@@ -20,6 +20,7 @@
- obj-$(CONFIG_IP6_NF_RAW) += ip6table_raw.o
- obj-$(CONFIG_IP6_NF_MATCH_HL) += ip6t_hl.o
- obj-$(CONFIG_IP6_NF_TARGET_REJECT) += ip6t_REJECT.o
-+obj-$(CONFIG_IP6_NF_TARGET_ROUTE) += ip6t_ROUTE.o
- obj-$(CONFIG_IP6_NF_MATCH_MH) += ip6t_mh.o
-
- # objects for l3 independent conntrack
+++ /dev/null
---- /dev/null
-+++ b/include/linux/netfilter/oot_conntrack.h
-@@ -0,0 +1,5 @@
-+#if defined(CONFIG_IP_NF_CONNTRACK) || defined(CONFIG_IP_NF_CONNTRACK_MODULE)
-+# include <linux/netfilter_ipv4/ip_conntrack.h>
-+#else /* linux-2.6.20+ */
-+# include <net/netfilter/nf_nat_rule.h>
-+#endif
---- /dev/null
-+++ b/include/linux/netfilter/oot_trans.h
-@@ -0,0 +1,14 @@
-+/* Out of tree workarounds */
-+#include <linux/version.h>
-+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 18)
-+# define HAVE_MATCHINFOSIZE 1
-+# define HAVE_TARGUSERINFO 1
-+# define HAVE_TARGINFOSIZE 1
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20)
-+# define nfmark mark
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 21)
-+# define tcp_v4_check(tcph, tcph_sz, s, d, csp) \
-+ tcp_v4_check((tcph_sz), (s), (d), (csp))
-+#endif
---- /dev/null
-+++ b/include/linux/netfilter/xt_CHAOS.h
-@@ -0,0 +1,14 @@
-+#ifndef _LINUX_NETFILTER_XT_CHAOS_H
-+#define _LINUX_NETFILTER_XT_CHAOS_H 1
-+
-+enum xt_chaos_target_variant {
-+ XTCHAOS_NORMAL,
-+ XTCHAOS_TARPIT,
-+ XTCHAOS_DELUDE,
-+};
-+
-+struct xt_chaos_target_info {
-+ uint8_t variant;
-+};
-+
-+#endif /* _LINUX_NETFILTER_XT_CHAOS_H */
---- /dev/null
-+++ b/include/linux/netfilter/xt_portscan.h
-@@ -0,0 +1,8 @@
-+#ifndef _LINUX_NETFILTER_XT_PORTSCAN_H
-+#define _LINUX_NETFILTER_XT_PORTSCAN_H 1
-+
-+struct xt_portscan_match_info {
-+ uint8_t match_stealth, match_syn, match_cn, match_gr;
-+};
-+
-+#endif /* _LINUX_NETFILTER_XT_PORTSCAN_H */
---- /dev/null
-+++ b/net/netfilter/find_match.c
-@@ -0,0 +1,39 @@
-+/*
-+ xt_request_find_match
-+ by Jan Engelhardt <jengelh [at] gmx de>, 2006 - 2007
-+
-+ Based upon linux-2.6.18.5/net/netfilter/x_tables.c:
-+ Copyright (C) 2006-2006 Harald Welte <laforge@netfilter.org>
-+ This program is free software; you can redistribute it and/or modify
-+ it under the terms of the GNU General Public License version 2 as
-+ published by the Free Software Foundation.
-+*/
-+#include <linux/err.h>
-+#include <linux/netfilter_arp.h>
-+#include <linux/socket.h>
-+#include <linux/netfilter/x_tables.h>
-+
-+/*
-+ * Yeah this code is sub-optimal, but the function is missing in
-+ * mainline so far. -jengelh
-+ */
-+static struct xt_match *xt_request_find_match_lo(int af, const char *name,
-+ u8 revision)
-+{
-+ static const char *const xt_prefix[] = {
-+ [AF_INET] = "ip",
-+ [AF_INET6] = "ip6",
-+ [NF_ARP] = "arp",
-+ };
-+ struct xt_match *match;
-+
-+ match = try_then_request_module(xt_find_match(af, name, revision),
-+ "%st_%s", xt_prefix[af], name);
-+ if (IS_ERR(match) || match == NULL)
-+ return NULL;
-+
-+ return match;
-+}
-+
-+/* In case it goes into mainline, let this out-of-tree package compile */
-+#define xt_request_find_match xt_request_find_match_lo
---- a/net/netfilter/Kconfig
-+++ b/net/netfilter/Kconfig
-@@ -255,6 +255,14 @@
-
- # alphabetically ordered list of targets
-
-+config NETFILTER_XT_TARGET_CHAOS
-+ tristate '"CHAOS" target support'
-+ depends on NETFILTER_XTABLES
-+ help
-+ This option adds a `CHAOS' target.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
- config NETFILTER_XT_TARGET_CLASSIFY
- tristate '"CLASSIFY" target support'
- depends on NETFILTER_XTABLES
-@@ -282,6 +290,14 @@
- <file:Documentation/kbuild/modules.txt>. The module will be called
- ipt_CONNMARK.ko. If unsure, say `N'.
-
-+config NETFILTER_XT_TARGET_DELUDE
-+ tristate '"DELUDE" target support'
-+ depends on NETFILTER_XTABLES
-+ help
-+ This option adds a `DELUDE' target.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
- config NETFILTER_XT_TARGET_DSCP
- tristate '"DSCP" target support'
- depends on NETFILTER_XTABLES
-@@ -526,6 +542,14 @@
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config NETFILTER_XT_MATCH_PORTSCAN
-+ tristate '"portscan" match support'
-+ depends on NETFILTER_XTABLES
-+ help
-+ This option adds a 'portscan' match support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
- config NETFILTER_XT_MATCH_MULTIPORT
- tristate "Multiple port match support"
- depends on NETFILTER_XTABLES
---- a/net/netfilter/Makefile
-+++ b/net/netfilter/Makefile
-@@ -47,6 +47,8 @@
- obj-$(CONFIG_NETFILTER_XT_TARGET_SECMARK) += xt_SECMARK.o
- obj-$(CONFIG_NETFILTER_XT_TARGET_TCPMSS) += xt_TCPMSS.o
- obj-$(CONFIG_NETFILTER_XT_TARGET_CONNSECMARK) += xt_CONNSECMARK.o
-+obj-$(CONFIG_NETFILTER_XT_TARGET_CHAOS) += xt_CHAOS.o
-+obj-$(CONFIG_NETFILTER_XT_TARGET_DELUDE) += xt_DELUDE.o
-
- # matches
- obj-$(CONFIG_NETFILTER_XT_MATCH_COMMENT) += xt_comment.o
-@@ -74,3 +76,4 @@
- obj-$(CONFIG_NETFILTER_XT_MATCH_TCPMSS) += xt_tcpmss.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_PHYSDEV) += xt_physdev.o
- obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o
-+obj-$(CONFIG_NETFILTER_XT_MATCH_PORTSCAN) += xt_portscan.o
---- /dev/null
-+++ b/net/netfilter/xt_CHAOS.c
-@@ -0,0 +1,200 @@
-+/*
-+ * CHAOS target for netfilter
-+ * Copyright © CC Computer Consultants GmbH, 2006 - 2007
-+ * Contact: Jan Engelhardt <jengelh@computergmbh.de>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License; either version
-+ * 2 or 3 as published by the Free Software Foundation.
-+ */
-+#include <linux/icmp.h>
-+#include <linux/in.h>
-+#include <linux/ip.h>
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/stat.h>
-+#include <linux/netfilter/x_tables.h>
-+#include <linux/netfilter/xt_tcpudp.h>
-+#include <linux/netfilter_ipv4/ipt_REJECT.h>
-+#include <net/ip.h>
-+#if defined(_LOCAL)
-+# include "xt_CHAOS.h"
-+# include "find_match.c"
-+#elif defined(CONFIG_NETFILTER_XT_TARGET_CHAOS) || \
-+ defined(CONFIG_NETFILTER_XT_TARGET_CHAOS_MODULE)
-+# include <linux/netfilter/xt_CHAOS.h>
-+# include "find_match.c"
-+#else
-+# include "xt_CHAOS.h"
-+# include "find_match.c"
-+#endif
-+#define PFX KBUILD_MODNAME ": "
-+
-+/* Module parameters */
-+static unsigned int reject_percentage = ~0U * .01;
-+static unsigned int delude_percentage = ~0U * .0101;
-+module_param(reject_percentage, uint, S_IRUGO | S_IWUSR);
-+module_param(delude_percentage, uint, S_IRUGO | S_IWUSR);
-+
-+/* References to other matches/targets */
-+static struct xt_match *xm_tcp;
-+static struct xt_target *xt_delude, *xt_reject, *xt_tarpit;
-+
-+static int have_delude, have_tarpit;
-+
-+/* Static data for other matches/targets */
-+static const struct ipt_reject_info reject_params = {
-+ .with = ICMP_HOST_UNREACH,
-+};
-+
-+static const struct xt_tcp tcp_params = {
-+ .spts = {0, ~0},
-+ .dpts = {0, ~0},
-+};
-+
-+/* CHAOS functions */
-+static void xt_chaos_total(const struct xt_chaos_target_info *info,
-+ struct sk_buff **pskb, const struct net_device *in,
-+ const struct net_device *out, unsigned int hooknum)
-+{
-+ const struct iphdr *iph = ip_hdr(*pskb);
-+ const int protoff = 4 * iph->ihl;
-+ const int offset = ntohs(iph->frag_off) & IP_OFFSET;
-+ const struct xt_target *destiny;
-+ int hotdrop = 0, ret;
-+
-+ ret = xm_tcp->match(*pskb, in, out, xm_tcp, &tcp_params,
-+ offset, protoff, &hotdrop);
-+ if (!ret || hotdrop || (unsigned int)net_random() > delude_percentage)
-+ return;
-+
-+ destiny = (info->variant == XTCHAOS_TARPIT) ? xt_tarpit : xt_delude;
-+ destiny->target(pskb, in, out, hooknum, destiny, NULL);
-+ return;
-+}
-+
-+static unsigned int chaos_tg(struct sk_buff **pskb,
-+ const struct net_device *in, const struct net_device *out,
-+ unsigned int hooknum, const struct xt_target *target, const void *targinfo)
-+{
-+ /*
-+ * Equivalent to:
-+ * -A chaos -m statistic --mode random --probability \
-+ * $reject_percentage -j REJECT --reject-with host-unreach;
-+ * -A chaos -p tcp -m statistic --mode random --probability \
-+ * $delude_percentage -j DELUDE;
-+ * -A chaos -j DROP;
-+ */
-+ const struct xt_chaos_target_info *info = targinfo;
-+ const struct iphdr *iph = ip_hdr(*pskb);
-+
-+ if ((unsigned int)net_random() <= reject_percentage)
-+ return xt_reject->target(pskb, in, out, hooknum, target,
-+ &reject_params);
-+
-+ /* TARPIT/DELUDE may not be called from the OUTPUT chain */
-+ if (iph->protocol == IPPROTO_TCP &&
-+ info->variant != XTCHAOS_NORMAL && hooknum != NF_IP_LOCAL_OUT)
-+ xt_chaos_total(info, pskb, in, out, hooknum);
-+
-+ return NF_DROP;
-+}
-+
-+static int chaos_tg_check(const char *tablename, const void *entry,
-+ const struct xt_target *target, void *targinfo, unsigned int hook_mask)
-+{
-+ const struct xt_chaos_target_info *info = targinfo;
-+
-+ if (info->variant == XTCHAOS_DELUDE && !have_delude) {
-+ printk(KERN_WARNING PFX "Error: Cannot use --delude when "
-+ "DELUDE module not available\n");
-+ return false;
-+ }
-+ if (info->variant == XTCHAOS_TARPIT && !have_tarpit) {
-+ printk(KERN_WARNING PFX "Error: Cannot use --tarpit when "
-+ "TARPIT module not available\n");
-+ return false;
-+ }
-+
-+ return true;
-+}
-+
-+static struct xt_target chaos_tg_reg = {
-+ .name = "CHAOS",
-+ .family = AF_INET,
-+ .table = "filter",
-+ .hooks = (1 << NF_IP_LOCAL_IN) | (1 << NF_IP_FORWARD) |
-+ (1 << NF_IP_LOCAL_OUT),
-+ .checkentry = chaos_tg_check,
-+ .target = chaos_tg,
-+ .targetsize = sizeof(struct xt_chaos_target_info),
-+ .me = THIS_MODULE,
-+};
-+
-+static int __init chaos_tg_init(void)
-+{
-+ int ret = -EINVAL;
-+
-+ xm_tcp = xt_request_find_match(AF_INET, "tcp", 0);
-+ if (xm_tcp == NULL) {
-+ printk(KERN_WARNING PFX "Error: Could not find or load "
-+ "\"tcp\" match\n");
-+ return -EINVAL;
-+ }
-+
-+ xt_reject = xt_request_find_target(AF_INET, "REJECT", 0);
-+ if (xt_reject == NULL) {
-+ printk(KERN_WARNING PFX "Error: Could not find or load "
-+ "\"REJECT\" target\n");
-+ goto out2;
-+ }
-+
-+ xt_tarpit = xt_request_find_target(AF_INET, "TARPIT", 0);
-+ have_tarpit = xt_tarpit != NULL;
-+ if (!have_tarpit)
-+ printk(KERN_WARNING PFX "Warning: Could not find or load "
-+ "\"TARPIT\" target\n");
-+
-+ xt_delude = xt_request_find_target(AF_INET, "DELUDE", 0);
-+ have_delude = xt_delude != NULL;
-+ if (!have_delude)
-+ printk(KERN_WARNING PFX "Warning: Could not find or load "
-+ "\"DELUDE\" target\n");
-+
-+ if ((ret = xt_register_target(&chaos_tg_reg)) != 0) {
-+ printk(KERN_WARNING PFX "xt_register_target returned "
-+ "error %d\n", ret);
-+ goto out3;
-+ }
-+
-+ return 0;
-+
-+ out3:
-+ if (have_delude)
-+ module_put(xt_delude->me);
-+ if (have_tarpit)
-+ module_put(xt_tarpit->me);
-+ module_put(xt_reject->me);
-+ out2:
-+ module_put(xm_tcp->me);
-+ return ret;
-+}
-+
-+static void __exit chaos_tg_exit(void)
-+{
-+ xt_unregister_target(&chaos_tg_reg);
-+ module_put(xm_tcp->me);
-+ module_put(xt_reject->me);
-+ if (have_delude)
-+ module_put(xt_delude->me);
-+ if (have_tarpit)
-+ module_put(xt_tarpit->me);
-+ return;
-+}
-+
-+module_init(chaos_tg_init);
-+module_exit(chaos_tg_exit);
-+MODULE_AUTHOR("Jan Engelhardt <jengelh@computergmbh.de>");
-+MODULE_DESCRIPTION("netfilter \"CHAOS\" target");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("ipt_CHAOS");
---- /dev/null
-+++ b/net/netfilter/xt_DELUDE.c
-@@ -0,0 +1,197 @@
-+/*
-+ * DELUDE target
-+ * Copyright © CC Computer Consultants GmbH, 2007
-+ * Contact: Jan Engelhardt <jengelh@computergmbh.de>
-+ *
-+ * Based upon linux-2.6.18.5/net/ipv4/netfilter/ipt_REJECT.c:
-+ * (C) 1999-2001 Paul `Rusty' Russell
-+ * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
-+ *
-+ * xt_DELUDE acts like REJECT, but does reply with SYN-ACK on SYN.
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/netfilter/x_tables.h>
-+#ifdef CONFIG_BRIDGE_NETFILTER
-+# include <linux/netfilter_bridge.h>
-+#endif
-+#include <net/tcp.h>
-+#define PFX KBUILD_MODNAME ": "
-+
-+static void delude_send_reset(struct sk_buff *oldskb, unsigned int hook)
-+{
-+ struct tcphdr _otcph, *oth, *tcph;
-+ unsigned int addr_type;
-+ struct sk_buff *nskb;
-+ u_int16_t tmp_port;
-+ u_int32_t tmp_addr;
-+ struct iphdr *niph;
-+ bool needs_ack;
-+
-+ /* IP header checks: fragment. */
-+ if (ip_hdr(oldskb)->frag_off & htons(IP_OFFSET))
-+ return;
-+
-+ oth = skb_header_pointer(oldskb, ip_hdrlen(oldskb),
-+ sizeof(_otcph), &_otcph);
-+ if (oth == NULL)
-+ return;
-+
-+ /* No RST for RST. */
-+ if (oth->rst)
-+ return;
-+
-+ /* Check checksum */
-+ if (nf_ip_checksum(oldskb, hook, ip_hdrlen(oldskb), IPPROTO_TCP))
-+ return;
-+
-+ /* We need a linear, writeable skb. We also need to expand
-+ headroom in case hh_len of incoming interface < hh_len of
-+ outgoing interface */
-+ nskb = skb_copy_expand(oldskb, LL_MAX_HEADER, skb_tailroom(oldskb),
-+ GFP_ATOMIC);
-+ if (!nskb)
-+ return;
-+
-+ /* This packet will not be the same as the other: clear nf fields */
-+ nf_reset(nskb);
-+ nskb->mark = 0;
-+ skb_init_secmark(nskb);
-+
-+ skb_shinfo(nskb)->gso_size = 0;
-+ skb_shinfo(nskb)->gso_segs = 0;
-+ skb_shinfo(nskb)->gso_type = 0;
-+
-+ tcph = (struct tcphdr *)(skb_network_header(nskb) + ip_hdrlen(nskb));
-+
-+ /* Swap source and dest */
-+ niph = ip_hdr(nskb);
-+ tmp_addr = niph->saddr;
-+ niph->saddr = niph->daddr;
-+ niph->daddr = tmp_addr;
-+ tmp_port = tcph->source;
-+ tcph->source = tcph->dest;
-+ tcph->dest = tmp_port;
-+
-+ /* Truncate to length (no data) */
-+ tcph->doff = sizeof(struct tcphdr) / 4;
-+ skb_trim(nskb, ip_hdrlen(nskb) + sizeof(struct tcphdr));
-+ niph->tot_len = htons(nskb->len);
-+
-+ if (oth->syn && !oth->ack && !oth->rst && !oth->fin) {
-+ /* DELUDE essential part */
-+ tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin +
-+ oldskb->len - ip_hdrlen(oldskb) -
-+ (oth->doff << 2));
-+ tcph->seq = false;
-+ tcph->ack = true;
-+ } else {
-+ if (!tcph->ack) {
-+ needs_ack = true;
-+ tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn +
-+ oth->fin + oldskb->len -
-+ ip_hdrlen(oldskb) - (oth->doff<<2));
-+ tcph->seq = false;
-+ } else {
-+ needs_ack = false;
-+ tcph->seq = oth->ack_seq;
-+ tcph->ack_seq = false;
-+ }
-+
-+ /* Reset flags */
-+ ((u_int8_t *)tcph)[13] = 0;
-+ tcph->rst = true;
-+ tcph->ack = needs_ack;
-+ }
-+
-+ tcph->window = 0;
-+ tcph->urg_ptr = 0;
-+
-+ /* Adjust TCP checksum */
-+ tcph->check = 0;
-+ tcph->check = tcp_v4_check(sizeof(struct tcphdr), niph->saddr,
-+ niph->daddr, csum_partial((char *)tcph,
-+ sizeof(struct tcphdr), 0));
-+
-+ /* Set DF, id = 0 */
-+ niph->frag_off = htons(IP_DF);
-+ niph->id = 0;
-+
-+ addr_type = RTN_UNSPEC;
-+#ifdef CONFIG_BRIDGE_NETFILTER
-+ if (hook != NF_IP_FORWARD || (nskb->nf_bridge != NULL &&
-+ nskb->nf_bridge->mask & BRNF_BRIDGED))
-+#else
-+ if (hook != NF_IP_FORWARD)
-+#endif
-+ addr_type = RTN_LOCAL;
-+
-+ if (ip_route_me_harder(&nskb, addr_type))
-+ goto free_nskb;
-+
-+ nskb->ip_summed = CHECKSUM_NONE;
-+
-+ /* Adjust IP TTL */
-+ niph->ttl = dst_metric(nskb->dst, RTAX_HOPLIMIT);
-+
-+ /* Adjust IP checksum */
-+ niph->check = 0;
-+ niph->check = ip_fast_csum(skb_network_header(nskb), niph->ihl);
-+
-+ /* "Never happens" */
-+ if (nskb->len > dst_mtu(nskb->dst))
-+ goto free_nskb;
-+
-+ nf_ct_attach(nskb, oldskb);
-+
-+ NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, nskb, NULL, nskb->dst->dev,
-+ dst_output);
-+ return;
-+
-+ free_nskb:
-+ kfree_skb(nskb);
-+}
-+
-+static unsigned int delude_tg(struct sk_buff **pskb,
-+ const struct net_device *in, const struct net_device *out,
-+ unsigned int hooknum, const struct xt_target *target, const void *targinfo)
-+{
-+ /* WARNING: This code causes reentry within iptables.
-+ This means that the iptables jump stack is now crap. We
-+ must return an absolute verdict. --RR */
-+ delude_send_reset(*pskb, hooknum);
-+ return NF_DROP;
-+}
-+
-+static struct xt_target delude_tg_reg = {
-+ .name = "DELUDE",
-+ .family = AF_INET,
-+ .table = "filter",
-+ .hooks = (1 << NF_IP_LOCAL_IN) | (1 << NF_IP_FORWARD),
-+ .target = delude_tg,
-+ .proto = IPPROTO_TCP,
-+ .me = THIS_MODULE,
-+};
-+
-+static int __init delude_tg_init(void)
-+{
-+ return xt_register_target(&delude_tg_reg);
-+}
-+
-+static void __exit delude_tg_exit(void)
-+{
-+ xt_unregister_target(&delude_tg_reg);
-+}
-+
-+module_init(delude_tg_init);
-+module_exit(delude_tg_exit);
-+MODULE_AUTHOR("Jan Engelhardt <jengelh@computergmbh.de>");
-+MODULE_DESCRIPTION("netfilter \"DELUDE\" target");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("ipt_DELUDE");
---- /dev/null
-+++ b/net/netfilter/xt_portscan.c
-@@ -0,0 +1,269 @@
-+/*
-+ * portscan match for netfilter
-+ * Copyright © CC Computer Consultants GmbH, 2006 - 2007
-+ * Contact: Jan Engelhardt <jengelh@computergmbh.de>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License; either version
-+ * 2 or 3 as published by the Free Software Foundation.
-+ */
-+#include <linux/in.h>
-+#include <linux/ip.h>
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/skbuff.h>
-+#include <linux/stat.h>
-+#include <linux/tcp.h>
-+#include <linux/types.h>
-+#include <linux/version.h>
-+#include <linux/netfilter/x_tables.h>
-+#include <linux/netfilter/xt_tcpudp.h>
-+#include <net/netfilter/nf_nat_rule.h>
-+#if defined(_LOCAL)
-+# include "xt_portscan.h"
-+#elif defined(CONFIG_NETFILTER_XT_MATCH_PORTSCAN) || \
-+ defined(CONFIG_NETFILTER_XT_MATCH_PORTSCAN_MODULE)
-+# include <linux/netfilter/xt_portscan.h>
-+#else
-+# include "xt_portscan.h"
-+#endif
-+#define PFX KBUILD_MODNAME ": "
-+
-+enum {
-+ TCP_FLAGS_ALL3 = TCP_FLAG_FIN | TCP_FLAG_RST | TCP_FLAG_SYN,
-+ TCP_FLAGS_ALL4 = TCP_FLAGS_ALL3 | TCP_FLAG_ACK,
-+ TCP_FLAGS_ALL6 = TCP_FLAGS_ALL4 | TCP_FLAG_PSH | TCP_FLAG_URG,
-+};
-+
-+/* Module parameters */
-+static unsigned int
-+ connmark_mask = ~0,
-+ packet_mask = ~0,
-+ mark_seen = 0x9,
-+ mark_synrcv = 0x1,
-+ mark_closed = 0x2,
-+ mark_synscan = 0x3,
-+ mark_estab1 = 0x4,
-+ mark_estab2 = 0x5,
-+ mark_cnscan = 0x6,
-+ mark_grscan = 0x7,
-+ mark_valid = 0x8;
-+
-+module_param(connmark_mask, uint, S_IRUGO | S_IWUSR);
-+module_param(packet_mask, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_seen, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_synrcv, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_closed, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_synscan, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_estab1, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_estab2, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_cnscan, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_grscan, uint, S_IRUGO | S_IWUSR);
-+module_param(mark_valid, uint, S_IRUGO | S_IWUSR);
-+MODULE_PARM_DESC(connmark_mask, "only set specified bits in connection mark");
-+MODULE_PARM_DESC(packet_mask, "only set specified bits in packet mark");
-+MODULE_PARM_DESC(mark_seen, "nfmark value for packet-seen state");
-+MODULE_PARM_DESC(mark_synrcv, "connmark value for SYN Received state");
-+MODULE_PARM_DESC(mark_closed, "connmark value for closed state");
-+MODULE_PARM_DESC(mark_synscan, "connmark value for SYN Scan state");
-+MODULE_PARM_DESC(mark_estab1, "connmark value for Established-1 state");
-+MODULE_PARM_DESC(mark_estab2, "connmark value for Established-2 state");
-+MODULE_PARM_DESC(mark_cnscan, "connmark value for Connect Scan state");
-+MODULE_PARM_DESC(mark_grscan, "connmark value for Grab Scan state");
-+MODULE_PARM_DESC(mark_valid, "connmark value for Valid state");
-+
-+/* TCP flag functions */
-+static inline bool tflg_ack4(const struct tcphdr *th)
-+{
-+ return (tcp_flag_word(th) & TCP_FLAGS_ALL4) == TCP_FLAG_ACK;
-+}
-+
-+static inline bool tflg_ack6(const struct tcphdr *th)
-+{
-+ return (tcp_flag_word(th) & TCP_FLAGS_ALL6) == TCP_FLAG_ACK;
-+}
-+
-+static inline bool tflg_fin(const struct tcphdr *th)
-+{
-+ return (tcp_flag_word(th) & TCP_FLAGS_ALL3) == TCP_FLAG_FIN;
-+}
-+
-+static inline bool tflg_rst(const struct tcphdr *th)
-+{
-+ return (tcp_flag_word(th) & TCP_FLAGS_ALL3) == TCP_FLAG_RST;
-+}
-+
-+static inline bool tflg_rstack(const struct tcphdr *th)
-+{
-+ return (tcp_flag_word(th) & TCP_FLAGS_ALL4) ==
-+ (TCP_FLAG_ACK | TCP_FLAG_RST);
-+}
-+
-+static inline bool tflg_syn(const struct tcphdr *th)
-+{
-+ return (tcp_flag_word(th) & TCP_FLAGS_ALL4) == TCP_FLAG_SYN;
-+}
-+
-+static inline bool tflg_synack(const struct tcphdr *th)
-+{
-+ return (tcp_flag_word(th) & TCP_FLAGS_ALL4) ==
-+ (TCP_FLAG_SYN | TCP_FLAG_ACK);
-+}
-+
-+/* portscan functions */
-+static inline bool portscan_mt_stealth(const struct tcphdr *th)
-+{
-+ /*
-+ * "Connection refused" replies to our own probes must not be matched.
-+ */
-+ if (tflg_rstack(th))
-+ return false;
-+
-+ if (tflg_rst(th) && printk_ratelimit()) {
-+ printk(KERN_WARNING PFX "Warning: Pure RST received\n");
-+ return false;
-+ }
-+
-+ /*
-+ * -p tcp ! --syn -m conntrack --ctstate INVALID: Looking for non-start
-+ * packets that are not associated with any connection -- this will
-+ * match most scan types (NULL, XMAS, FIN) and ridiculous flag
-+ * combinations (SYN-RST, SYN-FIN, SYN-FIN-RST, FIN-RST, etc.).
-+ */
-+ return !tflg_syn(th);
-+}
-+
-+static inline unsigned int portscan_mt_full(int mark,
-+ enum ip_conntrack_info ctstate, bool loopback, const struct tcphdr *tcph,
-+ unsigned int payload_len)
-+{
-+ if (mark == mark_estab2) {
-+ /*
-+ * -m connmark --mark $ESTAB2
-+ */
-+ if (tflg_ack4(tcph) && payload_len == 0)
-+ return mark; /* keep mark */
-+ else if (tflg_rst(tcph) || tflg_fin(tcph))
-+ return mark_grscan;
-+ else
-+ return mark_valid;
-+ } else if (mark == mark_estab1) {
-+ /*
-+ * -m connmark --mark $ESTAB1
-+ */
-+ if (tflg_rst(tcph) || tflg_fin(tcph))
-+ return mark_cnscan;
-+ else if (!loopback && tflg_ack4(tcph) && payload_len == 0)
-+ return mark_estab2;
-+ else
-+ return mark_valid;
-+ } else if (mark == mark_synrcv) {
-+ /*
-+ * -m connmark --mark $SYN
-+ */
-+ if (loopback && tflg_synack(tcph))
-+ return mark; /* keep mark */
-+ else if (loopback && tflg_rstack(tcph))
-+ return mark_closed;
-+ else if (tflg_ack6(tcph))
-+ return mark_estab1;
-+ else
-+ return mark_synscan;
-+ } else if (ctstate == IP_CT_NEW && tflg_syn(tcph)) {
-+ /*
-+ * -p tcp --syn --ctstate NEW
-+ */
-+ return mark_synrcv;
-+ }
-+ return mark;
-+}
-+
-+static int portscan_mt(const struct sk_buff *skb,
-+ const struct net_device *in, const struct net_device *out,
-+ const struct xt_match *match, const void *matchinfo, int offset,
-+ unsigned int protoff, int *hotdrop)
-+{
-+ const struct xt_portscan_match_info *info = matchinfo;
-+ enum ip_conntrack_info ctstate;
-+ const struct tcphdr *tcph;
-+ struct nf_conn *ctdata;
-+ struct tcphdr tcph_buf;
-+
-+ tcph = skb_header_pointer(skb, protoff, sizeof(tcph_buf), &tcph_buf);
-+ if (tcph == NULL)
-+ return false;
-+
-+ /* Check for invalid packets: -m conntrack --ctstate INVALID */
-+ if ((ctdata = nf_ct_get(skb, &ctstate)) == NULL) {
-+ if (info->match_stealth)
-+ return portscan_mt_stealth(tcph);
-+ /*
-+ * If @ctdata is NULL, we cannot match the other scan
-+ * types, return.
-+ */
-+ return false;
-+ }
-+
-+ /*
-+ * If -m portscan was previously applied to this packet, the rules we
-+ * simulate must not be run through again. And for speedup, do not call
-+ * it either when the connection is already VALID.
-+ */
-+ if ((ctdata->mark & connmark_mask) == mark_valid ||
-+ (skb->mark & packet_mask) != mark_seen) {
-+ unsigned int n;
-+
-+ n = portscan_mt_full(ctdata->mark & connmark_mask, ctstate,
-+ in == &loopback_dev, tcph,
-+ skb->len - protoff - 4 * tcph->doff);
-+
-+ ctdata->mark = (ctdata->mark & ~connmark_mask) | n;
-+ ((struct sk_buff *)skb)->mark =
-+ (skb->mark & ~packet_mask) ^ mark_seen;
-+ }
-+
-+ return (info->match_syn && ctdata->mark == mark_synscan) ||
-+ (info->match_cn && ctdata->mark == mark_cnscan) ||
-+ (info->match_gr && ctdata->mark == mark_grscan);
-+}
-+
-+static int portscan_mt_check(const char *tablename, const void *entry,
-+ const struct xt_match *match, void *matchinfo, unsigned int hook_mask)
-+{
-+ const struct xt_portscan_match_info *info = matchinfo;
-+
-+ if ((info->match_stealth & ~1) || (info->match_syn & ~1) ||
-+ (info->match_cn & ~1) || (info->match_gr & ~1)) {
-+ printk(KERN_WARNING PFX "Invalid flags\n");
-+ return false;
-+ }
-+ return true;
-+}
-+
-+static struct xt_match portscan_mt_reg __read_mostly = {
-+ .name = "portscan",
-+ .family = AF_INET,
-+ .match = portscan_mt,
-+ .checkentry = portscan_mt_check,
-+ .matchsize = sizeof(struct xt_portscan_match_info),
-+ .proto = IPPROTO_TCP,
-+ .me = THIS_MODULE,
-+};
-+
-+static int __init portscan_mt_init(void)
-+{
-+ return xt_register_match(&portscan_mt_reg);
-+}
-+
-+static void __exit portscan_mt_exit(void)
-+{
-+ xt_unregister_match(&portscan_mt_reg);
-+ return;
-+}
-+
-+module_init(portscan_mt_init);
-+module_exit(portscan_mt_exit);
-+MODULE_AUTHOR("Jan Engelhardt <jengelh@computergmbh.de>");
-+MODULE_DESCRIPTION("netfilter \"portscan\" match");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("ipt_portscan");
---- a/drivers/char/random.c
-+++ b/drivers/char/random.c
-@@ -1564,6 +1564,8 @@
- return seq;
- }
-
-+EXPORT_SYMBOL(secure_tcp_sequence_number);
-+
- /* Generate secure starting point for ephemeral IPV4 transport port search */
- u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport)
- {
+++ /dev/null
---- a/net/netfilter/Kconfig
-+++ b/net/netfilter/Kconfig
-@@ -379,6 +379,23 @@
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config NETFILTER_XT_TARGET_TARPIT
-+ tristate '"TARPIT" target support'
-+ depends on NETFILTER_XTABLES
-+ ---help---
-+ Adds a TARPIT target to iptables, which captures and holds
-+ incoming TCP connections using no local per-connection resources.
-+ Connections are accepted, but immediately switched to the persist
-+ state (0 byte window), in which the remote side stops sending data
-+ and asks to continue every 60-240 seconds. Attempts to close the
-+ connection are ignored, forcing the remote side to time out the
-+ connection in 12-24 minutes.
-+
-+ This offers similar functionality to LaBrea
-+ <http://www.hackbusters.net/LaBrea/>, but does not require dedicated
-+ hardware or IPs. Any TCP port that you would normally DROP or REJECT
-+ can instead become a tarpit.
-+
- config NETFILTER_XT_TARGET_TCPMSS
- tristate '"TCPMSS" target support'
- depends on NETFILTER_XTABLES && (IPV6 || IPV6=n)
---- a/net/netfilter/Makefile
-+++ b/net/netfilter/Makefile
-@@ -45,6 +45,7 @@
- obj-$(CONFIG_NETFILTER_XT_TARGET_NFLOG) += xt_NFLOG.o
- obj-$(CONFIG_NETFILTER_XT_TARGET_NOTRACK) += xt_NOTRACK.o
- obj-$(CONFIG_NETFILTER_XT_TARGET_SECMARK) += xt_SECMARK.o
-+obj-$(CONFIG_NETFILTER_XT_TARGET_TARPIT) += xt_TARPIT.o
- obj-$(CONFIG_NETFILTER_XT_TARGET_TCPMSS) += xt_TCPMSS.o
- obj-$(CONFIG_NETFILTER_XT_TARGET_CONNSECMARK) += xt_CONNSECMARK.o
- obj-$(CONFIG_NETFILTER_XT_TARGET_CHAOS) += xt_CHAOS.o
---- /dev/null
-+++ b/net/netfilter/xt_TARPIT.c
-@@ -0,0 +1,280 @@
-+/*
-+ * Kernel module to capture and hold incoming TCP connections using
-+ * no local per-connection resources.
-+ *
-+ * Based on ipt_REJECT.c and offering functionality similar to
-+ * LaBrea <http://www.hackbusters.net/LaBrea/>.
-+ *
-+ * Copyright (c) 2002 Aaron Hopkins <tools@die.net>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-+ *
-+ * Goal:
-+ * - Allow incoming TCP connections to be established.
-+ * - Passing data should result in the connection being switched to the
-+ * persist state (0 byte window), in which the remote side stops sending
-+ * data and asks to continue every 60 seconds.
-+ * - Attempts to shut down the connection should be ignored completely, so
-+ * the remote side ends up having to time it out.
-+ *
-+ * This means:
-+ * - Reply to TCP SYN,!ACK,!RST,!FIN with SYN-ACK, window 5 bytes
-+ * - Reply to TCP SYN,ACK,!RST,!FIN with RST to prevent spoofing
-+ * - Reply to TCP !SYN,!RST,!FIN with ACK, window 0 bytes, rate-limited
-+ */
-+
-+#include <linux/version.h>
-+#include <linux/module.h>
-+#include <linux/skbuff.h>
-+#include <linux/ip.h>
-+#include <net/ip.h>
-+#include <net/tcp.h>
-+#include <net/icmp.h>
-+struct in_device;
-+#include <net/route.h>
-+#include <linux/random.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+
-+#if 0
-+#define DEBUGP printk
-+#else
-+#define DEBUGP(format, args...)
-+#endif
-+
-+/* Stolen from ip_finish_output2 */
-+static int ip_direct_send(struct sk_buff *skb)
-+{
-+ struct dst_entry *dst = skb->dst;
-+
-+ if (dst->hh != NULL)
-+ return neigh_hh_output(dst->hh, skb);
-+ else if (dst->neighbour != NULL)
-+ return dst->neighbour->output(skb);
-+
-+ if (net_ratelimit())
-+ printk(KERN_DEBUG "TARPIT ip_direct_send: no header cache and no neighbor!\n");
-+
-+ kfree_skb(skb);
-+ return -EINVAL;
-+}
-+
-+
-+/* Send reply */
-+static void tarpit_tcp(const struct sk_buff *oskb, struct rtable *ort,
-+ unsigned int local)
-+{
-+ struct sk_buff *nskb;
-+ struct rtable *nrt;
-+ struct tcphdr *otcph, *ntcph;
-+ struct flowi fl = {};
-+ unsigned int otcplen;
-+ u_int16_t tmp;
-+
-+ const struct iphdr *oiph = ip_hdr(oskb);
-+ struct iphdr *niph;
-+
-+ /* A truncated TCP header is not going to be useful */
-+ if (oskb->len < ip_hdrlen(oskb) + sizeof(struct tcphdr))
-+ return;
-+
-+ otcph = (void *)oiph + ip_hdrlen(oskb);
-+ otcplen = oskb->len - ip_hdrlen(oskb);
-+
-+ /* No replies for RST or FIN */
-+ if (otcph->rst || otcph->fin)
-+ return;
-+
-+ /* No reply to !SYN,!ACK. Rate-limit replies to !SYN,ACKs */
-+ if (!otcph->syn && (!otcph->ack || !xrlim_allow(&ort->u.dst, 1*HZ)))
-+ return;
-+
-+ /* Check checksum. */
-+ if (tcp_v4_check(otcplen, oiph->saddr, oiph->daddr,
-+ csum_partial((char *)otcph, otcplen, 0)) != 0)
-+ return;
-+
-+ /*
-+ * Copy skb (even if skb is about to be dropped, we cannot just
-+ * clone it because there may be other things, such as tcpdump,
-+ * interested in it)
-+ */
-+ nskb = skb_copy(oskb, GFP_ATOMIC);
-+ if (nskb == NULL)
-+ return;
-+
-+ niph = ip_hdr(nskb);
-+
-+ /* This packet will not be the same as the other: clear nf fields */
-+ nf_conntrack_put(nskb->nfct);
-+ nskb->nfct = NULL;
-+#ifdef CONFIG_NETFILTER_DEBUG
-+ nskb->nf_debug = 0;
-+#endif
-+
-+ ntcph = (void *)niph + ip_hdrlen(nskb);
-+
-+ /* Truncate to length (no data) */
-+ ntcph->doff = sizeof(struct tcphdr)/4;
-+ skb_trim(nskb, ip_hdrlen(nskb) + sizeof(struct tcphdr));
-+ niph->tot_len = htons(nskb->len);
-+
-+ /* Swap source and dest */
-+ niph->daddr = xchg(&niph->saddr, niph->daddr);
-+ tmp = ntcph->source;
-+ ntcph->source = ntcph->dest;
-+ ntcph->dest = tmp;
-+
-+ /* Use supplied sequence number or make a new one */
-+ ntcph->seq = otcph->ack ? otcph->ack_seq
-+ : htonl(secure_tcp_sequence_number(niph->saddr,
-+ niph->daddr,
-+ ntcph->source,
-+ ntcph->dest));
-+
-+ /* Our SYN-ACKs must have a >0 window */
-+ ntcph->window = (otcph->syn && !otcph->ack) ? htons(5) : 0;
-+
-+ ntcph->urg_ptr = 0;
-+
-+ /* Reset flags */
-+ ((u_int8_t *)ntcph)[13] = 0;
-+
-+ if (otcph->syn && otcph->ack) {
-+ ntcph->rst = 1;
-+ ntcph->ack_seq = 0;
-+ } else {
-+ ntcph->syn = otcph->syn;
-+ ntcph->ack = 1;
-+ ntcph->ack_seq = htonl(ntohl(otcph->seq) + otcph->syn);
-+ }
-+
-+ /* Adjust TCP checksum */
-+ ntcph->check = 0;
-+ ntcph->check = tcp_v4_check(sizeof(struct tcphdr),
-+ niph->saddr,
-+ niph->daddr,
-+ csum_partial((char *)ntcph,
-+ sizeof(struct tcphdr), 0));
-+
-+ fl.nl_u.ip4_u.daddr = niph->daddr;
-+ fl.nl_u.ip4_u.saddr = local ? niph->saddr : 0;
-+ fl.nl_u.ip4_u.tos = RT_TOS(niph->tos) | RTO_CONN;
-+ fl.oif = 0;
-+
-+ if (ip_route_output_key(&nrt, &fl))
-+ goto free_nskb;
-+
-+ dst_release(nskb->dst);
-+ nskb->dst = &nrt->u.dst;
-+
-+ /* Adjust IP TTL */
-+ niph->ttl = dst_metric(nskb->dst, RTAX_HOPLIMIT);
-+
-+ /* Set DF, id = 0 */
-+ niph->frag_off = htons(IP_DF);
-+ niph->id = 0;
-+
-+ /* Adjust IP checksum */
-+ niph->check = 0;
-+ niph->check = ip_fast_csum((unsigned char *)niph, niph->ihl);
-+
-+ /* "Never happens" */
-+ if (nskb->len > dst_mtu(nskb->dst))
-+ goto free_nskb;
-+
-+ ip_direct_send(nskb);
-+ return;
-+
-+ free_nskb:
-+ kfree_skb(nskb);
-+}
-+
-+static unsigned int xt_tarpit_target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+{
-+ const struct sk_buff *skb = *pskb;
-+ const struct iphdr *iph = ip_hdr(skb);
-+ struct rtable *rt = (void *)skb->dst;
-+
-+ /* Do we have an input route cache entry? */
-+ if (rt == NULL)
-+ return NF_DROP;
-+
-+ /* No replies to physical multicast/broadcast */
-+ if (skb->pkt_type != PACKET_HOST && skb->pkt_type != PACKET_OTHERHOST)
-+ return NF_DROP;
-+
-+ /* Now check at the protocol level */
-+ if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
-+ return NF_DROP;
-+
-+ /*
-+ * Our naive response construction does not deal with IP
-+ * options, and probably should not try.
-+ */
-+ if (iph->ihl * 4 != sizeof(struct iphdr))
-+ return NF_DROP;
-+
-+ /* We are not interested in fragments */
-+ if (iph->frag_off & htons(IP_OFFSET))
-+ return NF_DROP;
-+
-+ tarpit_tcp(skb, rt, hooknum == NF_IP_LOCAL_IN);
-+ return NF_DROP;
-+}
-+
-+static int xt_tarpit_check(const char *tablename, const void *entry,
-+ const struct xt_target *target, void *targinfo,
-+ unsigned int hook_mask)
-+{
-+ bool invalid;
-+
-+ if (strcmp(tablename, "raw") == 0 && hook_mask == NF_IP_PRE_ROUTING)
-+ return true;
-+ if (strcmp(tablename, "filter") != 0)
-+ return false;
-+ invalid = hook_mask & ~((1 << NF_IP_LOCAL_IN) | (1 << NF_IP_FORWARD));
-+ return !invalid;
-+}
-+
-+static struct xt_target xt_tarpit_reg = {
-+ .name = "TARPIT",
-+ .family = AF_INET,
-+ .proto = IPPROTO_TCP,
-+ .target = xt_tarpit_target,
-+ .checkentry = xt_tarpit_check,
-+ .me = THIS_MODULE,
-+};
-+
-+static int __init xt_tarpit_init(void)
-+{
-+ return xt_register_target(&xt_tarpit_reg);
-+}
-+
-+static void __exit xt_tarpit_exit(void)
-+{
-+ xt_unregister_target(&xt_tarpit_reg);
-+}
-+
-+module_init(xt_tarpit_init);
-+module_exit(xt_tarpit_exit);
-+MODULE_DESCRIPTION("netfilter xt_TARPIT target module");
-+MODULE_AUTHOR("Jan Engelhardt <jengelh@gmx.de>");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("ipt_TARPIT");
+++ /dev/null
---- a/net/netfilter/Kconfig
-+++ b/net/netfilter/Kconfig
-@@ -133,7 +133,7 @@
-
- config NF_CONNTRACK_H323
- tristate "H.323 protocol support (EXPERIMENTAL)"
-- depends on EXPERIMENTAL && NF_CONNTRACK && (IPV6 || IPV6=n)
-+ depends on EXPERIMENTAL && NF_CONNTRACK
- help
- H.323 is a VoIP signalling protocol from ITU-T. As one of the most
- important VoIP protocols, it is widely used by voice hardware and
-@@ -398,7 +398,7 @@
-
- config NETFILTER_XT_TARGET_TCPMSS
- tristate '"TCPMSS" target support'
-- depends on NETFILTER_XTABLES && (IPV6 || IPV6=n)
-+ depends on NETFILTER_XTABLES
- ---help---
- This option adds a `TCPMSS' target, which allows you to alter the
- MSS value of TCP SYN packets, to control the maximum size for that
+++ /dev/null
---- /dev/null
-+++ b/include/linux/netfilter/nf_conntrack_rtsp.h
-@@ -0,0 +1,63 @@
-+/*
-+ * RTSP extension for IP connection tracking.
-+ * (C) 2003 by Tom Marshall <tmarshall at real.com>
-+ * based on ip_conntrack_irc.h
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+#ifndef _IP_CONNTRACK_RTSP_H
-+#define _IP_CONNTRACK_RTSP_H
-+
-+//#define IP_NF_RTSP_DEBUG 1
-+#define IP_NF_RTSP_VERSION "0.6.21"
-+
-+#ifdef __KERNEL__
-+/* port block types */
-+typedef enum {
-+ pb_single, /* client_port=x */
-+ pb_range, /* client_port=x-y */
-+ pb_discon /* client_port=x/y (rtspbis) */
-+} portblock_t;
-+
-+/* We record seq number and length of rtsp headers here, all in host order. */
-+
-+/*
-+ * This structure is per expected connection. It is a member of struct
-+ * ip_conntrack_expect. The TCP SEQ for the conntrack expect is stored
-+ * there and we are expected to only store the length of the data which
-+ * needs replaced. If a packet contains multiple RTSP messages, we create
-+ * one expected connection per message.
-+ *
-+ * We use these variables to mark the entire header block. This may seem
-+ * like overkill, but the nature of RTSP requires it. A header may appear
-+ * multiple times in a message. We must treat two Transport headers the
-+ * same as one Transport header with two entries.
-+ */
-+struct ip_ct_rtsp_expect
-+{
-+ u_int32_t len; /* length of header block */
-+ portblock_t pbtype; /* Type of port block that was requested */
-+ u_int16_t loport; /* Port that was requested, low or first */
-+ u_int16_t hiport; /* Port that was requested, high or second */
-+#if 0
-+ uint method; /* RTSP method */
-+ uint cseq; /* CSeq from request */
-+#endif
-+};
-+
-+extern unsigned int (*nf_nat_rtsp_hook)(struct sk_buff **pskb,
-+ enum ip_conntrack_info ctinfo,
-+ unsigned int matchoff, unsigned int matchlen,
-+ struct ip_ct_rtsp_expect *prtspexp,
-+ struct nf_conntrack_expect *exp);
-+
-+extern void (*nf_nat_rtsp_hook_expectfn)(struct nf_conn *ct, struct nf_conntrack_expect *exp);
-+
-+#define RTSP_PORT 554
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /* _IP_CONNTRACK_RTSP_H */
---- /dev/null
-+++ b/include/linux/netfilter_helpers.h
-@@ -0,0 +1,133 @@
-+/*
-+ * Helpers for netfiler modules. This file provides implementations for basic
-+ * functions such as strncasecmp(), etc.
-+ *
-+ * gcc will warn for defined but unused functions, so we only include the
-+ * functions requested. The following macros are used:
-+ * NF_NEED_STRNCASECMP nf_strncasecmp()
-+ * NF_NEED_STRTOU16 nf_strtou16()
-+ * NF_NEED_STRTOU32 nf_strtou32()
-+ */
-+#ifndef _NETFILTER_HELPERS_H
-+#define _NETFILTER_HELPERS_H
-+
-+/* Only include these functions for kernel code. */
-+#ifdef __KERNEL__
-+
-+#include <linux/ctype.h>
-+#define iseol(c) ( (c) == '\r' || (c) == '\n' )
-+
-+/*
-+ * The standard strncasecmp()
-+ */
-+#ifdef NF_NEED_STRNCASECMP
-+static int
-+nf_strncasecmp(const char* s1, const char* s2, u_int32_t len)
-+{
-+ if (s1 == NULL || s2 == NULL)
-+ {
-+ if (s1 == NULL && s2 == NULL)
-+ {
-+ return 0;
-+ }
-+ return (s1 == NULL) ? -1 : 1;
-+ }
-+ while (len > 0 && tolower(*s1) == tolower(*s2))
-+ {
-+ len--;
-+ s1++;
-+ s2++;
-+ }
-+ return ( (len == 0) ? 0 : (tolower(*s1) - tolower(*s2)) );
-+}
-+#endif /* NF_NEED_STRNCASECMP */
-+
-+/*
-+ * Parse a string containing a 16-bit unsigned integer.
-+ * Returns the number of chars used, or zero if no number is found.
-+ */
-+#ifdef NF_NEED_STRTOU16
-+static int
-+nf_strtou16(const char* pbuf, u_int16_t* pval)
-+{
-+ int n = 0;
-+
-+ *pval = 0;
-+ while (isdigit(pbuf[n]))
-+ {
-+ *pval = (*pval * 10) + (pbuf[n] - '0');
-+ n++;
-+ }
-+
-+ return n;
-+}
-+#endif /* NF_NEED_STRTOU16 */
-+
-+/*
-+ * Parse a string containing a 32-bit unsigned integer.
-+ * Returns the number of chars used, or zero if no number is found.
-+ */
-+#ifdef NF_NEED_STRTOU32
-+static int
-+nf_strtou32(const char* pbuf, u_int32_t* pval)
-+{
-+ int n = 0;
-+
-+ *pval = 0;
-+ while (pbuf[n] >= '0' && pbuf[n] <= '9')
-+ {
-+ *pval = (*pval * 10) + (pbuf[n] - '0');
-+ n++;
-+ }
-+
-+ return n;
-+}
-+#endif /* NF_NEED_STRTOU32 */
-+
-+/*
-+ * Given a buffer and length, advance to the next line and mark the current
-+ * line.
-+ */
-+#ifdef NF_NEED_NEXTLINE
-+static int
-+nf_nextline(char* p, uint len, uint* poff, uint* plineoff, uint* plinelen)
-+{
-+ uint off = *poff;
-+ uint physlen = 0;
-+
-+ if (off >= len)
-+ {
-+ return 0;
-+ }
-+
-+ while (p[off] != '\n')
-+ {
-+ if (len-off <= 1)
-+ {
-+ return 0;
-+ }
-+
-+ physlen++;
-+ off++;
-+ }
-+
-+ /* if we saw a crlf, physlen needs adjusted */
-+ if (physlen > 0 && p[off] == '\n' && p[off-1] == '\r')
-+ {
-+ physlen--;
-+ }
-+
-+ /* advance past the newline */
-+ off++;
-+
-+ *plineoff = *poff;
-+ *plinelen = physlen;
-+ *poff = off;
-+
-+ return 1;
-+}
-+#endif /* NF_NEED_NEXTLINE */
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /* _NETFILTER_HELPERS_H */
---- /dev/null
-+++ b/include/linux/netfilter_mime.h
-@@ -0,0 +1,89 @@
-+/*
-+ * MIME functions for netfilter modules. This file provides implementations
-+ * for basic MIME parsing. MIME headers are used in many protocols, such as
-+ * HTTP, RTSP, SIP, etc.
-+ *
-+ * gcc will warn for defined but unused functions, so we only include the
-+ * functions requested. The following macros are used:
-+ * NF_NEED_MIME_NEXTLINE nf_mime_nextline()
-+ */
-+#ifndef _NETFILTER_MIME_H
-+#define _NETFILTER_MIME_H
-+
-+/* Only include these functions for kernel code. */
-+#ifdef __KERNEL__
-+
-+#include <linux/ctype.h>
-+
-+/*
-+ * Given a buffer and length, advance to the next line and mark the current
-+ * line. If the current line is empty, *plinelen will be set to zero. If
-+ * not, it will be set to the actual line length (including CRLF).
-+ *
-+ * 'line' in this context means logical line (includes LWS continuations).
-+ * Returns 1 on success, 0 on failure.
-+ */
-+#ifdef NF_NEED_MIME_NEXTLINE
-+static int
-+nf_mime_nextline(char* p, uint len, uint* poff, uint* plineoff, uint* plinelen)
-+{
-+ uint off = *poff;
-+ uint physlen = 0;
-+ int is_first_line = 1;
-+
-+ if (off >= len)
-+ {
-+ return 0;
-+ }
-+
-+ do
-+ {
-+ while (p[off] != '\n')
-+ {
-+ if (len-off <= 1)
-+ {
-+ return 0;
-+ }
-+
-+ physlen++;
-+ off++;
-+ }
-+
-+ /* if we saw a crlf, physlen needs adjusted */
-+ if (physlen > 0 && p[off] == '\n' && p[off-1] == '\r')
-+ {
-+ physlen--;
-+ }
-+
-+ /* advance past the newline */
-+ off++;
-+
-+ /* check for an empty line */
-+ if (physlen == 0)
-+ {
-+ break;
-+ }
-+
-+ /* check for colon on the first physical line */
-+ if (is_first_line)
-+ {
-+ is_first_line = 0;
-+ if (memchr(p+(*poff), ':', physlen) == NULL)
-+ {
-+ return 0;
-+ }
-+ }
-+ }
-+ while (p[off] == ' ' || p[off] == '\t');
-+
-+ *plineoff = *poff;
-+ *plinelen = (physlen == 0) ? 0 : (off - *poff);
-+ *poff = off;
-+
-+ return 1;
-+}
-+#endif /* NF_NEED_MIME_NEXTLINE */
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /* _NETFILTER_MIME_H */
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -23,6 +23,7 @@
- obj-$(CONFIG_NF_NAT_FTP) += nf_nat_ftp.o
- obj-$(CONFIG_NF_NAT_H323) += nf_nat_h323.o
- obj-$(CONFIG_NF_NAT_IRC) += nf_nat_irc.o
-+obj-$(CONFIG_NF_NAT_RTSP) += nf_nat_rtsp.o
- obj-$(CONFIG_NF_NAT_PPTP) += nf_nat_pptp.o
- obj-$(CONFIG_NF_NAT_SIP) += nf_nat_sip.o
- obj-$(CONFIG_NF_NAT_SNMP_BASIC) += nf_nat_snmp_basic.o
---- a/net/netfilter/Kconfig
-+++ b/net/netfilter/Kconfig
-@@ -239,6 +239,16 @@
-
- To compile it as a module, choose M here. If unsure, say N.
-
-+config NF_CONNTRACK_RTSP
-+ tristate "RTSP protocol support"
-+ depends on NF_CONNTRACK
-+ help
-+ Support the RTSP protocol. This allows UDP transports to be setup
-+ properly, including RTP and RDT.
-+
-+ If you want to compile it as a module, say 'M' here and read
-+ Documentation/modules.txt. If unsure, say 'Y'.
-+
- config NF_CT_NETLINK
- tristate 'Connection tracking netlink interface (EXPERIMENTAL)'
- depends on EXPERIMENTAL && NF_CONNTRACK && NETFILTER_NETLINK
---- a/net/netfilter/Makefile
-+++ b/net/netfilter/Makefile
-@@ -32,6 +32,7 @@
- obj-$(CONFIG_NF_CONNTRACK_SANE) += nf_conntrack_sane.o
- obj-$(CONFIG_NF_CONNTRACK_SIP) += nf_conntrack_sip.o
- obj-$(CONFIG_NF_CONNTRACK_TFTP) += nf_conntrack_tftp.o
-+obj-$(CONFIG_NF_CONNTRACK_RTSP) += nf_conntrack_rtsp.o
-
- # generic X tables
- obj-$(CONFIG_NETFILTER_XTABLES) += x_tables.o xt_tcpudp.o
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -296,6 +296,11 @@
- depends on IP_NF_IPTABLES && NF_CONNTRACK && NF_NAT
- default NF_NAT && NF_CONNTRACK_IRC
-
-+config NF_NAT_RTSP
-+ tristate
-+ depends on IP_NF_IPTABLES && NF_CONNTRACK && NF_NAT
-+ default NF_NAT && NF_CONNTRACK_RTSP
-+
- config NF_NAT_TFTP
- tristate
- depends on IP_NF_IPTABLES && NF_CONNTRACK && NF_NAT
---- /dev/null
-+++ b/net/netfilter/nf_conntrack_rtsp.c
-@@ -0,0 +1,515 @@
-+/*
-+ * RTSP extension for IP connection tracking
-+ * (C) 2003 by Tom Marshall <tmarshall at real.com>
-+ * based on ip_conntrack_irc.c
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ *
-+ * Module load syntax:
-+ * insmod nf_conntrack_rtsp.o ports=port1,port2,...port<MAX_PORTS>
-+ * max_outstanding=n setup_timeout=secs
-+ *
-+ * If no ports are specified, the default will be port 554.
-+ *
-+ * With max_outstanding you can define the maximum number of not yet
-+ * answered SETUP requests per RTSP session (default 8).
-+ * With setup_timeout you can specify how long the system waits for
-+ * an expected data channel (default 300 seconds).
-+ *
-+ * 2005-02-13: Harald Welte <laforge at netfilter.org>
-+ * - port to 2.6
-+ * - update to recent post-2.6.11 api changes
-+ * 2006-09-14: Steven Van Acker <deepstar at singularity.be>
-+ * - removed calls to NAT code from conntrack helper: NAT no longer needed to use rtsp-conntrack
-+ * 2007-04-18: Michael Guntsche <mike at it-loops.com>
-+ * - Port to new NF API
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/netfilter.h>
-+#include <linux/ip.h>
-+#include <linux/inet.h>
-+#include <net/tcp.h>
-+
-+#include <net/netfilter/nf_conntrack.h>
-+#include <net/netfilter/nf_conntrack_expect.h>
-+#include <net/netfilter/nf_conntrack_helper.h>
-+#include <linux/netfilter/nf_conntrack_rtsp.h>
-+
-+#define NF_NEED_STRNCASECMP
-+#define NF_NEED_STRTOU16
-+#define NF_NEED_STRTOU32
-+#define NF_NEED_NEXTLINE
-+#include <linux/netfilter_helpers.h>
-+#define NF_NEED_MIME_NEXTLINE
-+#include <linux/netfilter_mime.h>
-+
-+#include <linux/ctype.h>
-+#define MAX_SIMUL_SETUP 8 /* XXX: use max_outstanding */
-+#define INFOP(fmt, args...) printk(KERN_INFO "%s: %s: " fmt, __FILE__, __FUNCTION__ , ## args)
-+#if 0
-+#define DEBUGP(fmt, args...) printk(KERN_DEBUG "%s: %s: " fmt, __FILE__, __FUNCTION__ , ## args)
-+#else
-+#define DEBUGP(fmt, args...)
-+#endif
-+
-+#define MAX_PORTS 8
-+static int ports[MAX_PORTS];
-+static int num_ports = 0;
-+static int max_outstanding = 8;
-+static unsigned int setup_timeout = 300;
-+
-+MODULE_AUTHOR("Tom Marshall <tmarshall at real.com>");
-+MODULE_DESCRIPTION("RTSP connection tracking module");
-+MODULE_LICENSE("GPL");
-+module_param_array(ports, int, &num_ports, 0400);
-+MODULE_PARM_DESC(ports, "port numbers of RTSP servers");
-+module_param(max_outstanding, int, 0400);
-+MODULE_PARM_DESC(max_outstanding, "max number of outstanding SETUP requests per RTSP session");
-+module_param(setup_timeout, int, 0400);
-+MODULE_PARM_DESC(setup_timeout, "timeout on for unestablished data channels");
-+
-+static char *rtsp_buffer;
-+static DEFINE_SPINLOCK(rtsp_buffer_lock);
-+
-+unsigned int (*nf_nat_rtsp_hook)(struct sk_buff **pskb,
-+ enum ip_conntrack_info ctinfo,
-+ unsigned int matchoff, unsigned int matchlen,struct ip_ct_rtsp_expect* prtspexp,
-+ struct nf_conntrack_expect *exp);
-+void (*nf_nat_rtsp_hook_expectfn)(struct nf_conn *ct, struct nf_conntrack_expect *exp);
-+
-+EXPORT_SYMBOL_GPL(nf_nat_rtsp_hook);
-+
-+/*
-+ * Max mappings we will allow for one RTSP connection (for RTP, the number
-+ * of allocated ports is twice this value). Note that SMIL burns a lot of
-+ * ports so keep this reasonably high. If this is too low, you will see a
-+ * lot of "no free client map entries" messages.
-+ */
-+#define MAX_PORT_MAPS 16
-+
-+/*** default port list was here in the masq code: 554, 3030, 4040 ***/
-+
-+#define SKIP_WSPACE(ptr,len,off) while(off < len && isspace(*(ptr+off))) { off++; }
-+
-+/*
-+ * Parse an RTSP packet.
-+ *
-+ * Returns zero if parsing failed.
-+ *
-+ * Parameters:
-+ * IN ptcp tcp data pointer
-+ * IN tcplen tcp data len
-+ * IN/OUT ptcpoff points to current tcp offset
-+ * OUT phdrsoff set to offset of rtsp headers
-+ * OUT phdrslen set to length of rtsp headers
-+ * OUT pcseqoff set to offset of CSeq header
-+ * OUT pcseqlen set to length of CSeq header
-+ */
-+static int
-+rtsp_parse_message(char* ptcp, uint tcplen, uint* ptcpoff,
-+ uint* phdrsoff, uint* phdrslen,
-+ uint* pcseqoff, uint* pcseqlen,
-+ uint* transoff, uint* translen)
-+{
-+ uint entitylen = 0;
-+ uint lineoff;
-+ uint linelen;
-+
-+ if (!nf_nextline(ptcp, tcplen, ptcpoff, &lineoff, &linelen))
-+ return 0;
-+
-+ *phdrsoff = *ptcpoff;
-+ while (nf_mime_nextline(ptcp, tcplen, ptcpoff, &lineoff, &linelen)) {
-+ if (linelen == 0) {
-+ if (entitylen > 0)
-+ *ptcpoff += min(entitylen, tcplen - *ptcpoff);
-+ break;
-+ }
-+ if (lineoff+linelen > tcplen) {
-+ INFOP("!! overrun !!\n");
-+ break;
-+ }
-+
-+ if (nf_strncasecmp(ptcp+lineoff, "CSeq:", 5) == 0) {
-+ *pcseqoff = lineoff;
-+ *pcseqlen = linelen;
-+ }
-+
-+ if (nf_strncasecmp(ptcp+lineoff, "Transport:", 10) == 0) {
-+ *transoff = lineoff;
-+ *translen = linelen;
-+ }
-+
-+ if (nf_strncasecmp(ptcp+lineoff, "Content-Length:", 15) == 0) {
-+ uint off = lineoff+15;
-+ SKIP_WSPACE(ptcp+lineoff, linelen, off);
-+ nf_strtou32(ptcp+off, &entitylen);
-+ }
-+ }
-+ *phdrslen = (*ptcpoff) - (*phdrsoff);
-+
-+ return 1;
-+}
-+
-+/*
-+ * Find lo/hi client ports (if any) in transport header
-+ * In:
-+ * ptcp, tcplen = packet
-+ * tranoff, tranlen = buffer to search
-+ *
-+ * Out:
-+ * pport_lo, pport_hi = lo/hi ports (host endian)
-+ *
-+ * Returns nonzero if any client ports found
-+ *
-+ * Note: it is valid (and expected) for the client to request multiple
-+ * transports, so we need to parse the entire line.
-+ */
-+static int
-+rtsp_parse_transport(char* ptran, uint tranlen,
-+ struct ip_ct_rtsp_expect* prtspexp)
-+{
-+ int rc = 0;
-+ uint off = 0;
-+
-+ if (tranlen < 10 || !iseol(ptran[tranlen-1]) ||
-+ nf_strncasecmp(ptran, "Transport:", 10) != 0) {
-+ INFOP("sanity check failed\n");
-+ return 0;
-+ }
-+
-+ DEBUGP("tran='%.*s'\n", (int)tranlen, ptran);
-+ off += 10;
-+ SKIP_WSPACE(ptran, tranlen, off);
-+
-+ /* Transport: tran;field;field=val,tran;field;field=val,... */
-+ while (off < tranlen) {
-+ const char* pparamend;
-+ uint nextparamoff;
-+
-+ pparamend = memchr(ptran+off, ',', tranlen-off);
-+ pparamend = (pparamend == NULL) ? ptran+tranlen : pparamend+1;
-+ nextparamoff = pparamend-ptran;
-+
-+ while (off < nextparamoff) {
-+ const char* pfieldend;
-+ uint nextfieldoff;
-+
-+ pfieldend = memchr(ptran+off, ';', nextparamoff-off);
-+ nextfieldoff = (pfieldend == NULL) ? nextparamoff : pfieldend-ptran+1;
-+
-+ if (strncmp(ptran+off, "client_port=", 12) == 0) {
-+ u_int16_t port;
-+ uint numlen;
-+
-+ off += 12;
-+ numlen = nf_strtou16(ptran+off, &port);
-+ off += numlen;
-+ if (prtspexp->loport != 0 && prtspexp->loport != port)
-+ DEBUGP("multiple ports found, port %hu ignored\n", port);
-+ else {
-+ DEBUGP("lo port found : %hu\n", port);
-+ prtspexp->loport = prtspexp->hiport = port;
-+ if (ptran[off] == '-') {
-+ off++;
-+ numlen = nf_strtou16(ptran+off, &port);
-+ off += numlen;
-+ prtspexp->pbtype = pb_range;
-+ prtspexp->hiport = port;
-+
-+ // If we have a range, assume rtp:
-+ // loport must be even, hiport must be loport+1
-+ if ((prtspexp->loport & 0x0001) != 0 ||
-+ prtspexp->hiport != prtspexp->loport+1) {
-+ DEBUGP("incorrect range: %hu-%hu, correcting\n",
-+ prtspexp->loport, prtspexp->hiport);
-+ prtspexp->loport &= 0xfffe;
-+ prtspexp->hiport = prtspexp->loport+1;
-+ }
-+ } else if (ptran[off] == '/') {
-+ off++;
-+ numlen = nf_strtou16(ptran+off, &port);
-+ off += numlen;
-+ prtspexp->pbtype = pb_discon;
-+ prtspexp->hiport = port;
-+ }
-+ rc = 1;
-+ }
-+ }
-+
-+ /*
-+ * Note we don't look for the destination parameter here.
-+ * If we are using NAT, the NAT module will handle it. If not,
-+ * and the client is sending packets elsewhere, the expectation
-+ * will quietly time out.
-+ */
-+
-+ off = nextfieldoff;
-+ }
-+
-+ off = nextparamoff;
-+ }
-+
-+ return rc;
-+}
-+
-+void expected(struct nf_conn *ct, struct nf_conntrack_expect *exp)
-+{
-+ if(nf_nat_rtsp_hook_expectfn) {
-+ nf_nat_rtsp_hook_expectfn(ct,exp);
-+ }
-+}
-+
-+/*** conntrack functions ***/
-+
-+/* outbound packet: client->server */
-+
-+static inline int
-+help_out(struct sk_buff **pskb, unsigned char *rb_ptr, unsigned int datalen,
-+ struct nf_conn *ct, enum ip_conntrack_info ctinfo)
-+{
-+ struct ip_ct_rtsp_expect expinfo;
-+
-+ int dir = CTINFO2DIR(ctinfo); /* = IP_CT_DIR_ORIGINAL */
-+ //struct tcphdr* tcph = (void*)iph + iph->ihl * 4;
-+ //uint tcplen = pktlen - iph->ihl * 4;
-+ char* pdata = rb_ptr;
-+ //uint datalen = tcplen - tcph->doff * 4;
-+ uint dataoff = 0;
-+ int ret = NF_ACCEPT;
-+
-+ struct nf_conntrack_expect *exp;
-+
-+ __be16 be_loport;
-+
-+ memset(&expinfo, 0, sizeof(expinfo));
-+
-+ while (dataoff < datalen) {
-+ uint cmdoff = dataoff;
-+ uint hdrsoff = 0;
-+ uint hdrslen = 0;
-+ uint cseqoff = 0;
-+ uint cseqlen = 0;
-+ uint transoff = 0;
-+ uint translen = 0;
-+ uint off;
-+
-+ if (!rtsp_parse_message(pdata, datalen, &dataoff,
-+ &hdrsoff, &hdrslen,
-+ &cseqoff, &cseqlen,
-+ &transoff, &translen))
-+ break; /* not a valid message */
-+
-+ if (strncmp(pdata+cmdoff, "SETUP ", 6) != 0)
-+ continue; /* not a SETUP message */
-+ DEBUGP("found a setup message\n");
-+
-+ off = 0;
-+ if(translen) {
-+ rtsp_parse_transport(pdata+transoff, translen, &expinfo);
-+ }
-+
-+ if (expinfo.loport == 0) {
-+ DEBUGP("no udp transports found\n");
-+ continue; /* no udp transports found */
-+ }
-+
-+ DEBUGP("udp transport found, ports=(%d,%hu,%hu)\n",
-+ (int)expinfo.pbtype, expinfo.loport, expinfo.hiport);
-+
-+ exp = nf_conntrack_expect_alloc(ct);
-+ if (!exp) {
-+ ret = NF_DROP;
-+ goto out;
-+ }
-+
-+ be_loport = htons(expinfo.loport);
-+
-+ nf_conntrack_expect_init(exp, ct->tuplehash[!dir].tuple.src.l3num,
-+ &ct->tuplehash[!dir].tuple.src.u3, &ct->tuplehash[!dir].tuple.dst.u3,
-+ IPPROTO_UDP, NULL, &be_loport);
-+
-+ exp->master = ct;
-+
-+ exp->expectfn = expected;
-+ exp->flags = 0;
-+
-+ if (expinfo.pbtype == pb_range) {
-+ DEBUGP("Changing expectation mask to handle multiple ports\n");
-+ exp->mask.dst.u.udp.port = 0xfffe;
-+ }
-+
-+ DEBUGP("expect_related %u.%u.%u.%u:%u-%u.%u.%u.%u:%u\n",
-+ NIPQUAD(exp->tuple.src.u3.ip),
-+ ntohs(exp->tuple.src.u.udp.port),
-+ NIPQUAD(exp->tuple.dst.u3.ip),
-+ ntohs(exp->tuple.dst.u.udp.port));
-+
-+ if (nf_nat_rtsp_hook)
-+ /* pass the request off to the nat helper */
-+ ret = nf_nat_rtsp_hook(pskb, ctinfo, hdrsoff, hdrslen, &expinfo, exp);
-+ else if (nf_conntrack_expect_related(exp) != 0) {
-+ INFOP("nf_conntrack_expect_related failed\n");
-+ ret = NF_DROP;
-+ }
-+ nf_conntrack_expect_put(exp);
-+ goto out;
-+ }
-+out:
-+
-+ return ret;
-+}
-+
-+
-+static inline int
-+help_in(struct sk_buff **pskb, size_t pktlen,
-+ struct nf_conn* ct, enum ip_conntrack_info ctinfo)
-+{
-+ return NF_ACCEPT;
-+}
-+
-+static int help(struct sk_buff **pskb, unsigned int protoff,
-+ struct nf_conn *ct, enum ip_conntrack_info ctinfo)
-+{
-+ struct tcphdr _tcph, *th;
-+ unsigned int dataoff, datalen;
-+ char *rb_ptr;
-+ int ret = NF_DROP;
-+
-+ /* Until there's been traffic both ways, don't look in packets. */
-+ if (ctinfo != IP_CT_ESTABLISHED &&
-+ ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
-+ DEBUGP("conntrackinfo = %u\n", ctinfo);
-+ return NF_ACCEPT;
-+ }
-+
-+ /* Not whole TCP header? */
-+ th = skb_header_pointer(*pskb,protoff, sizeof(_tcph), &_tcph);
-+
-+ if (!th)
-+ return NF_ACCEPT;
-+
-+ /* No data ? */
-+ dataoff = protoff + th->doff*4;
-+ datalen = (*pskb)->len - dataoff;
-+ if (dataoff >= (*pskb)->len)
-+ return NF_ACCEPT;
-+
-+ spin_lock_bh(&rtsp_buffer_lock);
-+ rb_ptr = skb_header_pointer(*pskb, dataoff,
-+ (*pskb)->len - dataoff, rtsp_buffer);
-+ BUG_ON(rb_ptr == NULL);
-+
-+#if 0
-+ /* Checksum invalid? Ignore. */
-+ /* FIXME: Source route IP option packets --RR */
-+ if (tcp_v4_check(tcph, tcplen, iph->saddr, iph->daddr,
-+ csum_partial((char*)tcph, tcplen, 0)))
-+ {
-+ DEBUGP("bad csum: %p %u %u.%u.%u.%u %u.%u.%u.%u\n",
-+ tcph, tcplen, NIPQUAD(iph->saddr), NIPQUAD(iph->daddr));
-+ return NF_ACCEPT;
-+ }
-+#endif
-+
-+ switch (CTINFO2DIR(ctinfo)) {
-+ case IP_CT_DIR_ORIGINAL:
-+ ret = help_out(pskb, rb_ptr, datalen, ct, ctinfo);
-+ break;
-+ case IP_CT_DIR_REPLY:
-+ DEBUGP("IP_CT_DIR_REPLY\n");
-+ /* inbound packet: server->client */
-+ ret = NF_ACCEPT;
-+ break;
-+ }
-+
-+ spin_unlock_bh(&rtsp_buffer_lock);
-+
-+ return ret;
-+}
-+
-+static struct nf_conntrack_helper rtsp_helpers[MAX_PORTS];
-+static char rtsp_names[MAX_PORTS][10];
-+
-+/* This function is intentionally _NOT_ defined as __exit */
-+static void
-+fini(void)
-+{
-+ int i;
-+ for (i = 0; i < num_ports; i++) {
-+ DEBUGP("unregistering port %d\n", ports[i]);
-+ nf_conntrack_helper_unregister(&rtsp_helpers[i]);
-+ }
-+ kfree(rtsp_buffer);
-+}
-+
-+static int __init
-+init(void)
-+{
-+ int i, ret;
-+ struct nf_conntrack_helper *hlpr;
-+ char *tmpname;
-+
-+ printk("nf_conntrack_rtsp v" IP_NF_RTSP_VERSION " loading\n");
-+
-+ if (max_outstanding < 1) {
-+ printk("nf_conntrack_rtsp: max_outstanding must be a positive integer\n");
-+ return -EBUSY;
-+ }
-+ if (setup_timeout < 0) {
-+ printk("nf_conntrack_rtsp: setup_timeout must be a positive integer\n");
-+ return -EBUSY;
-+ }
-+
-+ rtsp_buffer = kmalloc(65536, GFP_KERNEL);
-+ if (!rtsp_buffer)
-+ return -ENOMEM;
-+
-+ /* If no port given, default to standard rtsp port */
-+ if (ports[0] == 0) {
-+ ports[0] = RTSP_PORT;
-+ }
-+
-+ for (i = 0; (i < MAX_PORTS) && ports[i]; i++) {
-+ hlpr = &rtsp_helpers[i];
-+ memset(hlpr, 0, sizeof(struct nf_conntrack_helper));
-+ hlpr->tuple.src.u.tcp.port = htons(ports[i]);
-+ hlpr->tuple.dst.protonum = IPPROTO_TCP;
-+ hlpr->mask.src.u.tcp.port = 0xFFFF;
-+ hlpr->mask.dst.protonum = 0xFF;
-+ hlpr->max_expected = max_outstanding;
-+ hlpr->timeout = setup_timeout;
-+ hlpr->me = THIS_MODULE;
-+ hlpr->help = help;
-+
-+ tmpname = &rtsp_names[i][0];
-+ if (ports[i] == RTSP_PORT) {
-+ sprintf(tmpname, "rtsp");
-+ } else {
-+ sprintf(tmpname, "rtsp-%d", i);
-+ }
-+ hlpr->name = tmpname;
-+
-+ DEBUGP("port #%d: %d\n", i, ports[i]);
-+
-+ ret = nf_conntrack_helper_register(hlpr);
-+
-+ if (ret) {
-+ printk("nf_conntrack_rtsp: ERROR registering port %d\n", ports[i]);
-+ fini();
-+ return -EBUSY;
-+ }
-+ num_ports++;
-+ }
-+ return 0;
-+}
-+
-+module_init(init);
-+module_exit(fini);
-+
-+EXPORT_SYMBOL(nf_nat_rtsp_hook_expectfn);
-+
---- /dev/null
-+++ b/net/ipv4/netfilter/nf_nat_rtsp.c
-@@ -0,0 +1,496 @@
-+/*
-+ * RTSP extension for TCP NAT alteration
-+ * (C) 2003 by Tom Marshall <tmarshall at real.com>
-+ * based on ip_nat_irc.c
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ *
-+ * Module load syntax:
-+ * insmod nf_nat_rtsp.o ports=port1,port2,...port<MAX_PORTS>
-+ * stunaddr=<address>
-+ * destaction=[auto|strip|none]
-+ *
-+ * If no ports are specified, the default will be port 554 only.
-+ *
-+ * stunaddr specifies the address used to detect that a client is using STUN.
-+ * If this address is seen in the destination parameter, it is assumed that
-+ * the client has already punched a UDP hole in the firewall, so we don't
-+ * mangle the client_port. If none is specified, it is autodetected. It
-+ * only needs to be set if you have multiple levels of NAT. It should be
-+ * set to the external address that the STUN clients detect. Note that in
-+ * this case, it will not be possible for clients to use UDP with servers
-+ * between the NATs.
-+ *
-+ * If no destaction is specified, auto is used.
-+ * destaction=auto: strip destination parameter if it is not stunaddr.
-+ * destaction=strip: always strip destination parameter (not recommended).
-+ * destaction=none: do not touch destination parameter (not recommended).
-+ */
-+
-+#include <linux/module.h>
-+#include <net/tcp.h>
-+#include <net/netfilter/nf_nat_helper.h>
-+#include <net/netfilter/nf_nat_rule.h>
-+#include <linux/netfilter/nf_conntrack_rtsp.h>
-+#include <net/netfilter/nf_conntrack_expect.h>
-+
-+#include <linux/inet.h>
-+#include <linux/ctype.h>
-+#define NF_NEED_STRNCASECMP
-+#define NF_NEED_STRTOU16
-+#include <linux/netfilter_helpers.h>
-+#define NF_NEED_MIME_NEXTLINE
-+#include <linux/netfilter_mime.h>
-+
-+#define INFOP(fmt, args...) printk(KERN_INFO "%s: %s: " fmt, __FILE__, __FUNCTION__ , ## args)
-+#if 0
-+#define DEBUGP(fmt, args...) printk(KERN_DEBUG "%s: %s: " fmt, __FILE__, __FUNCTION__ , ## args)
-+#else
-+#define DEBUGP(fmt, args...)
-+#endif
-+
-+#define MAX_PORTS 8
-+#define DSTACT_AUTO 0
-+#define DSTACT_STRIP 1
-+#define DSTACT_NONE 2
-+
-+static char* stunaddr = NULL;
-+static char* destaction = NULL;
-+
-+static u_int32_t extip = 0;
-+static int dstact = 0;
-+
-+MODULE_AUTHOR("Tom Marshall <tmarshall at real.com>");
-+MODULE_DESCRIPTION("RTSP network address translation module");
-+MODULE_LICENSE("GPL");
-+module_param(stunaddr, charp, 0644);
-+MODULE_PARM_DESC(stunaddr, "Address for detecting STUN");
-+module_param(destaction, charp, 0644);
-+MODULE_PARM_DESC(destaction, "Action for destination parameter (auto/strip/none)");
-+
-+#define SKIP_WSPACE(ptr,len,off) while(off < len && isspace(*(ptr+off))) { off++; }
-+
-+/*** helper functions ***/
-+
-+static void
-+get_skb_tcpdata(struct sk_buff* skb, char** pptcpdata, uint* ptcpdatalen)
-+{
-+ struct iphdr* iph = ip_hdr(skb);
-+ struct tcphdr* tcph = (void *)iph + ip_hdrlen(skb);
-+
-+ *pptcpdata = (char*)tcph + tcph->doff*4;
-+ *ptcpdatalen = ((char*)skb_transport_header(skb) + skb->len) - *pptcpdata;
-+}
-+
-+/*** nat functions ***/
-+
-+/*
-+ * Mangle the "Transport:" header:
-+ * - Replace all occurences of "client_port=<spec>"
-+ * - Handle destination parameter
-+ *
-+ * In:
-+ * ct, ctinfo = conntrack context
-+ * pskb = packet
-+ * tranoff = Transport header offset from TCP data
-+ * tranlen = Transport header length (incl. CRLF)
-+ * rport_lo = replacement low port (host endian)
-+ * rport_hi = replacement high port (host endian)
-+ *
-+ * Returns packet size difference.
-+ *
-+ * Assumes that a complete transport header is present, ending with CR or LF
-+ */
-+static int
-+rtsp_mangle_tran(enum ip_conntrack_info ctinfo,
-+ struct nf_conntrack_expect* exp,
-+ struct ip_ct_rtsp_expect* prtspexp,
-+ struct sk_buff** pskb, uint tranoff, uint tranlen)
-+{
-+ char* ptcp;
-+ uint tcplen;
-+ char* ptran;
-+ char rbuf1[16]; /* Replacement buffer (one port) */
-+ uint rbuf1len; /* Replacement len (one port) */
-+ char rbufa[16]; /* Replacement buffer (all ports) */
-+ uint rbufalen; /* Replacement len (all ports) */
-+ u_int32_t newip;
-+ u_int16_t loport, hiport;
-+ uint off = 0;
-+ uint diff; /* Number of bytes we removed */
-+
-+ struct nf_conn *ct = exp->master;
-+ struct nf_conntrack_tuple *t;
-+
-+ char szextaddr[15+1];
-+ uint extaddrlen;
-+ int is_stun;
-+
-+ get_skb_tcpdata(*pskb, &ptcp, &tcplen);
-+ ptran = ptcp+tranoff;
-+
-+ if (tranoff+tranlen > tcplen || tcplen-tranoff < tranlen ||
-+ tranlen < 10 || !iseol(ptran[tranlen-1]) ||
-+ nf_strncasecmp(ptran, "Transport:", 10) != 0)
-+ {
-+ INFOP("sanity check failed\n");
-+ return 0;
-+ }
-+ off += 10;
-+ SKIP_WSPACE(ptcp+tranoff, tranlen, off);
-+
-+ newip = ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip;
-+ t = &exp->tuple;
-+ t->dst.u3.ip = newip;
-+
-+ extaddrlen = extip ? sprintf(szextaddr, "%u.%u.%u.%u", NIPQUAD(extip))
-+ : sprintf(szextaddr, "%u.%u.%u.%u", NIPQUAD(newip));
-+ DEBUGP("stunaddr=%s (%s)\n", szextaddr, (extip?"forced":"auto"));
-+
-+ rbuf1len = rbufalen = 0;
-+ switch (prtspexp->pbtype)
-+ {
-+ case pb_single:
-+ for (loport = prtspexp->loport; loport != 0; loport++) /* XXX: improper wrap? */
-+ {
-+ t->dst.u.udp.port = htons(loport);
-+ if (nf_conntrack_expect_related(exp) == 0)
-+ {
-+ DEBUGP("using port %hu\n", loport);
-+ break;
-+ }
-+ }
-+ if (loport != 0)
-+ {
-+ rbuf1len = sprintf(rbuf1, "%hu", loport);
-+ rbufalen = sprintf(rbufa, "%hu", loport);
-+ }
-+ break;
-+ case pb_range:
-+ for (loport = prtspexp->loport; loport != 0; loport += 2) /* XXX: improper wrap? */
-+ {
-+ t->dst.u.udp.port = htons(loport);
-+ if (nf_conntrack_expect_related(exp) == 0)
-+ {
-+ hiport = loport + ~exp->mask.dst.u.udp.port;
-+ DEBUGP("using ports %hu-%hu\n", loport, hiport);
-+ break;
-+ }
-+ }
-+ if (loport != 0)
-+ {
-+ rbuf1len = sprintf(rbuf1, "%hu", loport);
-+ rbufalen = sprintf(rbufa, "%hu-%hu", loport, loport+1);
-+ }
-+ break;
-+ case pb_discon:
-+ for (loport = prtspexp->loport; loport != 0; loport++) /* XXX: improper wrap? */
-+ {
-+ t->dst.u.udp.port = htons(loport);
-+ if (nf_conntrack_expect_related(exp) == 0)
-+ {
-+ DEBUGP("using port %hu (1 of 2)\n", loport);
-+ break;
-+ }
-+ }
-+ for (hiport = prtspexp->hiport; hiport != 0; hiport++) /* XXX: improper wrap? */
-+ {
-+ t->dst.u.udp.port = htons(hiport);
-+ if (nf_conntrack_expect_related(exp) == 0)
-+ {
-+ DEBUGP("using port %hu (2 of 2)\n", hiport);
-+ break;
-+ }
-+ }
-+ if (loport != 0 && hiport != 0)
-+ {
-+ rbuf1len = sprintf(rbuf1, "%hu", loport);
-+ if (hiport == loport+1)
-+ {
-+ rbufalen = sprintf(rbufa, "%hu-%hu", loport, hiport);
-+ }
-+ else
-+ {
-+ rbufalen = sprintf(rbufa, "%hu/%hu", loport, hiport);
-+ }
-+ }
-+ break;
-+ }
-+
-+ if (rbuf1len == 0)
-+ {
-+ return 0; /* cannot get replacement port(s) */
-+ }
-+
-+ /* Transport: tran;field;field=val,tran;field;field=val,... */
-+ while (off < tranlen)
-+ {
-+ uint saveoff;
-+ const char* pparamend;
-+ uint nextparamoff;
-+
-+ pparamend = memchr(ptran+off, ',', tranlen-off);
-+ pparamend = (pparamend == NULL) ? ptran+tranlen : pparamend+1;
-+ nextparamoff = pparamend-ptcp;
-+
-+ /*
-+ * We pass over each param twice. On the first pass, we look for a
-+ * destination= field. It is handled by the security policy. If it
-+ * is present, allowed, and equal to our external address, we assume
-+ * that STUN is being used and we leave the client_port= field alone.
-+ */
-+ is_stun = 0;
-+ saveoff = off;
-+ while (off < nextparamoff)
-+ {
-+ const char* pfieldend;
-+ uint nextfieldoff;
-+
-+ pfieldend = memchr(ptran+off, ';', nextparamoff-off);
-+ nextfieldoff = (pfieldend == NULL) ? nextparamoff : pfieldend-ptran+1;
-+
-+ if (dstact != DSTACT_NONE && strncmp(ptran+off, "destination=", 12) == 0)
-+ {
-+ if (strncmp(ptran+off+12, szextaddr, extaddrlen) == 0)
-+ {
-+ is_stun = 1;
-+ }
-+ if (dstact == DSTACT_STRIP || (dstact == DSTACT_AUTO && !is_stun))
-+ {
-+ diff = nextfieldoff-off;
-+ if (!nf_nat_mangle_tcp_packet(pskb, ct, ctinfo,
-+ off, diff, NULL, 0))
-+ {
-+ /* mangle failed, all we can do is bail */
-+ nf_conntrack_unexpect_related(exp);
-+ return 0;
-+ }
-+ get_skb_tcpdata(*pskb, &ptcp, &tcplen);
-+ ptran = ptcp+tranoff;
-+ tranlen -= diff;
-+ nextparamoff -= diff;
-+ nextfieldoff -= diff;
-+ }
-+ }
-+
-+ off = nextfieldoff;
-+ }
-+ if (is_stun)
-+ {
-+ continue;
-+ }
-+ off = saveoff;
-+ while (off < nextparamoff)
-+ {
-+ const char* pfieldend;
-+ uint nextfieldoff;
-+
-+ pfieldend = memchr(ptran+off, ';', nextparamoff-off);
-+ nextfieldoff = (pfieldend == NULL) ? nextparamoff : pfieldend-ptran+1;
-+
-+ if (strncmp(ptran+off, "client_port=", 12) == 0)
-+ {
-+ u_int16_t port;
-+ uint numlen;
-+ uint origoff;
-+ uint origlen;
-+ char* rbuf = rbuf1;
-+ uint rbuflen = rbuf1len;
-+
-+ off += 12;
-+ origoff = (ptran-ptcp)+off;
-+ origlen = 0;
-+ numlen = nf_strtou16(ptran+off, &port);
-+ off += numlen;
-+ origlen += numlen;
-+ if (port != prtspexp->loport)
-+ {
-+ DEBUGP("multiple ports found, port %hu ignored\n", port);
-+ }
-+ else
-+ {
-+ if (ptran[off] == '-' || ptran[off] == '/')
-+ {
-+ off++;
-+ origlen++;
-+ numlen = nf_strtou16(ptran+off, &port);
-+ off += numlen;
-+ origlen += numlen;
-+ rbuf = rbufa;
-+ rbuflen = rbufalen;
-+ }
-+
-+ /*
-+ * note we cannot just memcpy() if the sizes are the same.
-+ * the mangle function does skb resizing, checks for a
-+ * cloned skb, and updates the checksums.
-+ *
-+ * parameter 4 below is offset from start of tcp data.
-+ */
-+ diff = origlen-rbuflen;
-+ if (!nf_nat_mangle_tcp_packet(pskb, ct, ctinfo,
-+ origoff, origlen, rbuf, rbuflen))
-+ {
-+ /* mangle failed, all we can do is bail */
-+ nf_conntrack_unexpect_related(exp);
-+ return 0;
-+ }
-+ get_skb_tcpdata(*pskb, &ptcp, &tcplen);
-+ ptran = ptcp+tranoff;
-+ tranlen -= diff;
-+ nextparamoff -= diff;
-+ nextfieldoff -= diff;
-+ }
-+ }
-+
-+ off = nextfieldoff;
-+ }
-+
-+ off = nextparamoff;
-+ }
-+
-+ return 1;
-+}
-+
-+static uint
-+help_out(struct sk_buff **pskb, enum ip_conntrack_info ctinfo,
-+ unsigned int matchoff, unsigned int matchlen, struct ip_ct_rtsp_expect* prtspexp,
-+ struct nf_conntrack_expect* exp)
-+{
-+ char* ptcp;
-+ uint tcplen;
-+ uint hdrsoff;
-+ uint hdrslen;
-+ uint lineoff;
-+ uint linelen;
-+ uint off;
-+
-+ //struct iphdr* iph = (struct iphdr*)(*pskb)->nh.iph;
-+ //struct tcphdr* tcph = (struct tcphdr*)((void*)iph + iph->ihl*4);
-+
-+ get_skb_tcpdata(*pskb, &ptcp, &tcplen);
-+ hdrsoff = matchoff;//exp->seq - ntohl(tcph->seq);
-+ hdrslen = matchlen;
-+ off = hdrsoff;
-+ DEBUGP("NAT rtsp help_out\n");
-+
-+ while (nf_mime_nextline(ptcp, hdrsoff+hdrslen, &off, &lineoff, &linelen))
-+ {
-+ if (linelen == 0)
-+ {
-+ break;
-+ }
-+ if (off > hdrsoff+hdrslen)
-+ {
-+ INFOP("!! overrun !!");
-+ break;
-+ }
-+ DEBUGP("hdr: len=%u, %.*s", linelen, (int)linelen, ptcp+lineoff);
-+
-+ if (nf_strncasecmp(ptcp+lineoff, "Transport:", 10) == 0)
-+ {
-+ uint oldtcplen = tcplen;
-+ DEBUGP("hdr: Transport\n");
-+ if (!rtsp_mangle_tran(ctinfo, exp, prtspexp, pskb, lineoff, linelen))
-+ {
-+ DEBUGP("hdr: Transport mangle failed");
-+ break;
-+ }
-+ get_skb_tcpdata(*pskb, &ptcp, &tcplen);
-+ hdrslen -= (oldtcplen-tcplen);
-+ off -= (oldtcplen-tcplen);
-+ lineoff -= (oldtcplen-tcplen);
-+ linelen -= (oldtcplen-tcplen);
-+ DEBUGP("rep: len=%u, %.*s", linelen, (int)linelen, ptcp+lineoff);
-+ }
-+ }
-+
-+ return NF_ACCEPT;
-+}
-+
-+static unsigned int
-+help(struct sk_buff **pskb, enum ip_conntrack_info ctinfo,
-+ unsigned int matchoff, unsigned int matchlen, struct ip_ct_rtsp_expect* prtspexp,
-+ struct nf_conntrack_expect* exp)
-+{
-+ int dir = CTINFO2DIR(ctinfo);
-+ int rc = NF_ACCEPT;
-+
-+ switch (dir)
-+ {
-+ case IP_CT_DIR_ORIGINAL:
-+ rc = help_out(pskb, ctinfo, matchoff, matchlen, prtspexp, exp);
-+ break;
-+ case IP_CT_DIR_REPLY:
-+ DEBUGP("unmangle ! %u\n", ctinfo);
-+ /* XXX: unmangle */
-+ rc = NF_ACCEPT;
-+ break;
-+ }
-+ //UNLOCK_BH(&ip_rtsp_lock);
-+
-+ return rc;
-+}
-+
-+static void expected(struct nf_conn* ct, struct nf_conntrack_expect *exp)
-+{
-+ struct nf_nat_multi_range_compat mr;
-+ u_int32_t newdstip, newsrcip, newip;
-+
-+ struct nf_conn *master = ct->master;
-+
-+ newdstip = master->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip;
-+ newsrcip = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip;
-+ //FIXME (how to port that ?)
-+ //code from 2.4 : newip = (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC) ? newsrcip : newdstip;
-+ newip = newdstip;
-+
-+ DEBUGP("newsrcip=%u.%u.%u.%u, newdstip=%u.%u.%u.%u, newip=%u.%u.%u.%u\n",
-+ NIPQUAD(newsrcip), NIPQUAD(newdstip), NIPQUAD(newip));
-+
-+ mr.rangesize = 1;
-+ // We don't want to manip the per-protocol, just the IPs.
-+ mr.range[0].flags = IP_NAT_RANGE_MAP_IPS;
-+ mr.range[0].min_ip = mr.range[0].max_ip = newip;
-+
-+ nf_nat_setup_info(ct, &mr.range[0], NF_IP_PRE_ROUTING);
-+}
-+
-+
-+static void __exit fini(void)
-+{
-+ nf_nat_rtsp_hook = NULL;
-+ nf_nat_rtsp_hook_expectfn = NULL;
-+ synchronize_net();
-+}
-+
-+static int __init init(void)
-+{
-+ printk("nf_nat_rtsp v" IP_NF_RTSP_VERSION " loading\n");
-+
-+ BUG_ON(nf_nat_rtsp_hook);
-+ nf_nat_rtsp_hook = help;
-+ nf_nat_rtsp_hook_expectfn = &expected;
-+
-+ if (stunaddr != NULL)
-+ extip = in_aton(stunaddr);
-+
-+ if (destaction != NULL) {
-+ if (strcmp(destaction, "auto") == 0)
-+ dstact = DSTACT_AUTO;
-+
-+ if (strcmp(destaction, "strip") == 0)
-+ dstact = DSTACT_STRIP;
-+
-+ if (strcmp(destaction, "none") == 0)
-+ dstact = DSTACT_NONE;
-+ }
-+
-+ return 0;
-+}
-+
-+module_init(init);
-+module_exit(fini);
+++ /dev/null
---- a/include/linux/pkt_sched.h
-+++ b/include/linux/pkt_sched.h
-@@ -146,8 +146,40 @@
- *
- * The only reason for this is efficiency, it is possible
- * to change these parameters in compile time.
-+ *
-+ * If you need to play with these values use esfq instead.
- */
-
-+/* ESFQ section */
-+
-+enum
-+{
-+ /* traditional */
-+ TCA_SFQ_HASH_CLASSIC,
-+ TCA_SFQ_HASH_DST,
-+ TCA_SFQ_HASH_SRC,
-+ TCA_SFQ_HASH_FWMARK,
-+ /* direct */
-+ TCA_SFQ_HASH_DSTDIR,
-+ TCA_SFQ_HASH_SRCDIR,
-+ TCA_SFQ_HASH_FWMARKDIR,
-+ /* conntrack */
-+ TCA_SFQ_HASH_CTORIGDST,
-+ TCA_SFQ_HASH_CTORIGSRC,
-+ TCA_SFQ_HASH_CTREPLDST,
-+ TCA_SFQ_HASH_CTREPLSRC,
-+};
-+
-+struct tc_esfq_qopt
-+{
-+ unsigned quantum; /* Bytes per round allocated to flow */
-+ int perturb_period; /* Period of hash perturbation */
-+ __u32 limit; /* Maximal packets in queue */
-+ unsigned divisor; /* Hash divisor */
-+ unsigned flows; /* Maximal number of flows */
-+ unsigned hash_kind; /* Hash function to use for flow identification */
-+};
-+
- /* RED section */
-
- enum
---- a/net/sched/Kconfig
-+++ b/net/sched/Kconfig
-@@ -133,6 +133,26 @@
- To compile this code as a module, choose M here: the
- module will be called sch_sfq.
-
-+config NET_SCH_ESFQ
-+ tristate "Enhanced Stochastic Fairness Queueing (ESFQ)"
-+ ---help---
-+ Say Y here if you want to use the Enhanced Stochastic Fairness
-+ Queueing (ESFQ) packet scheduling algorithm for some of your network
-+ devices or as a leaf discipline for a classful qdisc such as HTB or
-+ CBQ (see the top of <file:net/sched/sch_esfq.c> for details and
-+ references to the SFQ algorithm).
-+
-+ This is an enchanced SFQ version which allows you to control some
-+ hardcoded values in the SFQ scheduler.
-+
-+ ESFQ also adds control of the hash function used to identify packet
-+ flows. The original SFQ discipline hashes by connection; ESFQ add
-+ several other hashing methods, such as by src IP or by dst IP, which
-+ can be more fair to users in some networking situations.
-+
-+ To compile this code as a module, choose M here: the
-+ module will be called sch_esfq.
-+
- config NET_SCH_TEQL
- tristate "True Link Equalizer (TEQL)"
- ---help---
---- a/net/sched/Makefile
-+++ b/net/sched/Makefile
-@@ -23,6 +23,7 @@
- obj-$(CONFIG_NET_SCH_INGRESS) += sch_ingress.o
- obj-$(CONFIG_NET_SCH_DSMARK) += sch_dsmark.o
- obj-$(CONFIG_NET_SCH_SFQ) += sch_sfq.o
-+obj-$(CONFIG_NET_SCH_ESFQ) += sch_esfq.o
- obj-$(CONFIG_NET_SCH_TBF) += sch_tbf.o
- obj-$(CONFIG_NET_SCH_TEQL) += sch_teql.o
- obj-$(CONFIG_NET_SCH_PRIO) += sch_prio.o
---- /dev/null
-+++ b/net/sched/sch_esfq.c
-@@ -0,0 +1,704 @@
-+/*
-+ * net/sched/sch_esfq.c Extended Stochastic Fairness Queueing discipline.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ *
-+ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
-+ *
-+ * Changes: Alexander Atanasov, <alex@ssi.bg>
-+ * Added dynamic depth,limit,divisor,hash_kind options.
-+ * Added dst and src hashes.
-+ *
-+ * Alexander Clouter, <alex@digriz.org.uk>
-+ * Ported ESFQ to Linux 2.6.
-+ *
-+ * Corey Hickey, <bugfood-c@fatooh.org>
-+ * Maintenance of the Linux 2.6 port.
-+ * Added fwmark hash (thanks to Robert Kurjata).
-+ * Added direct hashing for src, dst, and fwmark.
-+ * Added usage of jhash.
-+ *
-+ */
-+
-+#include <linux/module.h>
-+#include <asm/uaccess.h>
-+#include <asm/system.h>
-+#include <linux/bitops.h>
-+#include <linux/types.h>
-+#include <linux/kernel.h>
-+#include <linux/jiffies.h>
-+#include <linux/string.h>
-+#include <linux/mm.h>
-+#include <linux/socket.h>
-+#include <linux/sockios.h>
-+#include <linux/in.h>
-+#include <linux/errno.h>
-+#include <linux/interrupt.h>
-+#include <linux/if_ether.h>
-+#include <linux/inet.h>
-+#include <linux/netdevice.h>
-+#include <linux/etherdevice.h>
-+#include <linux/notifier.h>
-+#include <linux/init.h>
-+#include <net/ip.h>
-+#include <linux/ipv6.h>
-+#include <net/route.h>
-+#include <linux/skbuff.h>
-+#include <net/sock.h>
-+#include <net/pkt_sched.h>
-+#include <linux/jhash.h>
-+
-+#ifdef CONFIG_NF_CONNTRACK_ENABLED
-+#include <net/netfilter/nf_conntrack.h>
-+#endif
-+
-+/* Stochastic Fairness Queuing algorithm.
-+ For more comments look at sch_sfq.c.
-+ The difference is that you can change limit, depth,
-+ hash table size and choose alternate hash types.
-+
-+ classic: same as in sch_sfq.c
-+ dst: destination IP address
-+ src: source IP address
-+ fwmark: netfilter mark value
-+ dst_direct:
-+ src_direct:
-+ fwmark_direct: direct hashing of the above sources
-+ ctorigdst: original destination IP address
-+ ctorigsrc: original source IP address
-+ ctrepldst: reply destination IP address
-+ ctreplsrc: reply source IP
-+
-+*/
-+
-+
-+/* This type should contain at least SFQ_DEPTH*2 values */
-+typedef unsigned int esfq_index;
-+
-+struct esfq_head
-+{
-+ esfq_index next;
-+ esfq_index prev;
-+};
-+
-+struct esfq_sched_data
-+{
-+/* Parameters */
-+ int perturb_period;
-+ unsigned quantum; /* Allotment per round: MUST BE >= MTU */
-+ int limit;
-+ unsigned depth;
-+ unsigned hash_divisor;
-+ unsigned hash_kind;
-+/* Variables */
-+ struct timer_list perturb_timer;
-+ int perturbation;
-+ esfq_index tail; /* Index of current slot in round */
-+ esfq_index max_depth; /* Maximal depth */
-+
-+ esfq_index *ht; /* Hash table */
-+ esfq_index *next; /* Active slots link */
-+ short *allot; /* Current allotment per slot */
-+ unsigned short *hash; /* Hash value indexed by slots */
-+ struct sk_buff_head *qs; /* Slot queue */
-+ struct esfq_head *dep; /* Linked list of slots, indexed by depth */
-+ unsigned dyn_min; /* For dynamic divisor adjustment; minimum value seen */
-+ unsigned dyn_max; /* maximum value seen */
-+ unsigned dyn_range; /* saved range */
-+};
-+
-+/* This contains the info we will hash. */
-+struct esfq_packet_info
-+{
-+ u32 proto; /* protocol or port */
-+ u32 src; /* source from packet header */
-+ u32 dst; /* destination from packet header */
-+ u32 ctorigsrc; /* original source from conntrack */
-+ u32 ctorigdst; /* original destination from conntrack */
-+ u32 ctreplsrc; /* reply source from conntrack */
-+ u32 ctrepldst; /* reply destination from conntrack */
-+ u32 mark; /* netfilter mark (fwmark) */
-+};
-+
-+/* Hash input values directly into the "nearest" slot, taking into account the
-+ * range of input values seen. This is most useful when the hash table is at
-+ * least as large as the range of possible values.
-+ * Note: this functionality was added before the change to using jhash, and may
-+ * no longer be useful. */
-+static __inline__ unsigned esfq_hash_direct(struct esfq_sched_data *q, u32 h)
-+{
-+ /* adjust minimum and maximum */
-+ if (h < q->dyn_min || h > q->dyn_max) {
-+ q->dyn_min = h < q->dyn_min ? h : q->dyn_min;
-+ q->dyn_max = h > q->dyn_max ? h : q->dyn_max;
-+
-+ /* find new range */
-+ if ((q->dyn_range = q->dyn_max - q->dyn_min) >= q->hash_divisor)
-+ printk(KERN_WARNING "ESFQ: (direct hash) Input range %u is larger than hash "
-+ "table. See ESFQ README for details.\n", q->dyn_range);
-+ }
-+
-+ /* hash input values into slot numbers */
-+ if (q->dyn_min == q->dyn_max)
-+ return 0; /* only one value seen; avoid division by 0 */
-+ else
-+ return (h - q->dyn_min) * (q->hash_divisor - 1) / q->dyn_range;
-+}
-+
-+static __inline__ unsigned esfq_jhash_1word(struct esfq_sched_data *q,u32 a)
-+{
-+ return jhash_1word(a, q->perturbation) & (q->hash_divisor-1);
-+}
-+
-+static __inline__ unsigned esfq_jhash_2words(struct esfq_sched_data *q, u32 a, u32 b)
-+{
-+ return jhash_2words(a, b, q->perturbation) & (q->hash_divisor-1);
-+}
-+
-+static __inline__ unsigned esfq_jhash_3words(struct esfq_sched_data *q, u32 a, u32 b, u32 c)
-+{
-+ return jhash_3words(a, b, c, q->perturbation) & (q->hash_divisor-1);
-+}
-+
-+
-+static unsigned esfq_hash(struct esfq_sched_data *q, struct sk_buff *skb)
-+{
-+ struct esfq_packet_info info;
-+#ifdef CONFIG_NF_CONNTRACK_ENABLED
-+ enum ip_conntrack_info ctinfo;
-+ struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
-+#endif
-+
-+ switch (skb->protocol) {
-+ case __constant_htons(ETH_P_IP):
-+ {
-+ struct iphdr *iph = ip_hdr(skb);
-+ info.dst = iph->daddr;
-+ info.src = iph->saddr;
-+ if (!(iph->frag_off&htons(IP_MF|IP_OFFSET)) &&
-+ (iph->protocol == IPPROTO_TCP ||
-+ iph->protocol == IPPROTO_UDP ||
-+ iph->protocol == IPPROTO_SCTP ||
-+ iph->protocol == IPPROTO_DCCP ||
-+ iph->protocol == IPPROTO_ESP))
-+ info.proto = *(((u32*)iph) + iph->ihl);
-+ else
-+ info.proto = iph->protocol;
-+ break;
-+ }
-+ case __constant_htons(ETH_P_IPV6):
-+ {
-+ struct ipv6hdr *iph = ipv6_hdr(skb);
-+ /* Hash ipv6 addresses into a u32. This isn't ideal,
-+ * but the code is simple. */
-+ info.dst = jhash2(iph->daddr.s6_addr32, 4, q->perturbation);
-+ info.src = jhash2(iph->saddr.s6_addr32, 4, q->perturbation);
-+ if (iph->nexthdr == IPPROTO_TCP ||
-+ iph->nexthdr == IPPROTO_UDP ||
-+ iph->nexthdr == IPPROTO_SCTP ||
-+ iph->nexthdr == IPPROTO_DCCP ||
-+ iph->nexthdr == IPPROTO_ESP)
-+ info.proto = *(u32*)&iph[1];
-+ else
-+ info.proto = iph->nexthdr;
-+ break;
-+ }
-+ default:
-+ info.dst = (u32)(unsigned long)skb->dst;
-+ info.src = (u32)(unsigned long)skb->sk;
-+ info.proto = skb->protocol;
-+ }
-+
-+ info.mark = skb->mark;
-+
-+#ifdef CONFIG_NF_CONNTRACK_ENABLED
-+ /* defaults if there is no conntrack info */
-+ info.ctorigsrc = info.src;
-+ info.ctorigdst = info.dst;
-+ info.ctreplsrc = info.dst;
-+ info.ctrepldst = info.src;
-+ /* collect conntrack info */
-+ if (ct && ct != &nf_conntrack_untracked) {
-+ if (skb->protocol == __constant_htons(ETH_P_IP)) {
-+ info.ctorigsrc = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip;
-+ info.ctorigdst = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.u3.ip;
-+ info.ctreplsrc = ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip;
-+ info.ctrepldst = ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip;
-+ }
-+ else if (skb->protocol == __constant_htons(ETH_P_IPV6)) {
-+ /* Again, hash ipv6 addresses into a single u32. */
-+ info.ctorigsrc = jhash2(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip6, 4, q->perturbation);
-+ info.ctorigdst = jhash2(ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.u3.ip6, 4, q->perturbation);
-+ info.ctreplsrc = jhash2(ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip6, 4, q->perturbation);
-+ info.ctrepldst = jhash2(ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip6, 4, q->perturbation);
-+ }
-+
-+ }
-+#endif
-+
-+ switch(q->hash_kind)
-+ {
-+ case TCA_SFQ_HASH_CLASSIC:
-+ return esfq_jhash_3words(q, info.dst, info.src, info.proto);
-+ case TCA_SFQ_HASH_DST:
-+ return esfq_jhash_1word(q, info.dst);
-+ case TCA_SFQ_HASH_DSTDIR:
-+ return esfq_hash_direct(q, ntohl(info.dst));
-+ case TCA_SFQ_HASH_SRC:
-+ return esfq_jhash_1word(q, info.src);
-+ case TCA_SFQ_HASH_SRCDIR:
-+ return esfq_hash_direct(q, ntohl(info.src));
-+ case TCA_SFQ_HASH_FWMARK:
-+ return esfq_jhash_1word(q, info.mark);
-+ case TCA_SFQ_HASH_FWMARKDIR:
-+ return esfq_hash_direct(q, info.mark);
-+#ifdef CONFIG_NF_CONNTRACK_ENABLED
-+ case TCA_SFQ_HASH_CTORIGDST:
-+ return esfq_jhash_1word(q, info.ctorigdst);
-+ case TCA_SFQ_HASH_CTORIGSRC:
-+ return esfq_jhash_1word(q, info.ctorigsrc);
-+ case TCA_SFQ_HASH_CTREPLDST:
-+ return esfq_jhash_1word(q, info.ctrepldst);
-+ case TCA_SFQ_HASH_CTREPLSRC:
-+ return esfq_jhash_1word(q, info.ctreplsrc);
-+#endif
-+ default:
-+ if (net_ratelimit())
-+ printk(KERN_WARNING "ESFQ: Unknown hash method. Falling back to classic.\n");
-+ }
-+ return esfq_jhash_3words(q, info.dst, info.src, info.proto);
-+}
-+
-+static inline void esfq_link(struct esfq_sched_data *q, esfq_index x)
-+{
-+ esfq_index p, n;
-+ int d = q->qs[x].qlen + q->depth;
-+
-+ p = d;
-+ n = q->dep[d].next;
-+ q->dep[x].next = n;
-+ q->dep[x].prev = p;
-+ q->dep[p].next = q->dep[n].prev = x;
-+}
-+
-+static inline void esfq_dec(struct esfq_sched_data *q, esfq_index x)
-+{
-+ esfq_index p, n;
-+
-+ n = q->dep[x].next;
-+ p = q->dep[x].prev;
-+ q->dep[p].next = n;
-+ q->dep[n].prev = p;
-+
-+ if (n == p && q->max_depth == q->qs[x].qlen + 1)
-+ q->max_depth--;
-+
-+ esfq_link(q, x);
-+}
-+
-+static inline void esfq_inc(struct esfq_sched_data *q, esfq_index x)
-+{
-+ esfq_index p, n;
-+ int d;
-+
-+ n = q->dep[x].next;
-+ p = q->dep[x].prev;
-+ q->dep[p].next = n;
-+ q->dep[n].prev = p;
-+ d = q->qs[x].qlen;
-+ if (q->max_depth < d)
-+ q->max_depth = d;
-+
-+ esfq_link(q, x);
-+}
-+
-+static unsigned int esfq_drop(struct Qdisc *sch)
-+{
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+ esfq_index d = q->max_depth;
-+ struct sk_buff *skb;
-+ unsigned int len;
-+
-+ /* Queue is full! Find the longest slot and
-+ drop a packet from it */
-+
-+ if (d > 1) {
-+ esfq_index x = q->dep[d+q->depth].next;
-+ skb = q->qs[x].prev;
-+ len = skb->len;
-+ __skb_unlink(skb, &q->qs[x]);
-+ kfree_skb(skb);
-+ esfq_dec(q, x);
-+ sch->q.qlen--;
-+ sch->qstats.drops++;
-+ sch->qstats.backlog -= len;
-+ return len;
-+ }
-+
-+ if (d == 1) {
-+ /* It is difficult to believe, but ALL THE SLOTS HAVE LENGTH 1. */
-+ d = q->next[q->tail];
-+ q->next[q->tail] = q->next[d];
-+ q->allot[q->next[d]] += q->quantum;
-+ skb = q->qs[d].prev;
-+ len = skb->len;
-+ __skb_unlink(skb, &q->qs[d]);
-+ kfree_skb(skb);
-+ esfq_dec(q, d);
-+ sch->q.qlen--;
-+ q->ht[q->hash[d]] = q->depth;
-+ sch->qstats.drops++;
-+ sch->qstats.backlog -= len;
-+ return len;
-+ }
-+
-+ return 0;
-+}
-+
-+static int
-+esfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
-+{
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+ unsigned hash = esfq_hash(q, skb);
-+ unsigned depth = q->depth;
-+ esfq_index x;
-+
-+ x = q->ht[hash];
-+ if (x == depth) {
-+ q->ht[hash] = x = q->dep[depth].next;
-+ q->hash[x] = hash;
-+ }
-+ sch->qstats.backlog += skb->len;
-+ __skb_queue_tail(&q->qs[x], skb);
-+ esfq_inc(q, x);
-+ if (q->qs[x].qlen == 1) { /* The flow is new */
-+ if (q->tail == depth) { /* It is the first flow */
-+ q->tail = x;
-+ q->next[x] = x;
-+ q->allot[x] = q->quantum;
-+ } else {
-+ q->next[x] = q->next[q->tail];
-+ q->next[q->tail] = x;
-+ q->tail = x;
-+ }
-+ }
-+ if (++sch->q.qlen < q->limit-1) {
-+ sch->bstats.bytes += skb->len;
-+ sch->bstats.packets++;
-+ return 0;
-+ }
-+
-+ esfq_drop(sch);
-+ return NET_XMIT_CN;
-+}
-+
-+static int
-+esfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
-+{
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+ unsigned hash = esfq_hash(q, skb);
-+ unsigned depth = q->depth;
-+ esfq_index x;
-+
-+ x = q->ht[hash];
-+ if (x == depth) {
-+ q->ht[hash] = x = q->dep[depth].next;
-+ q->hash[x] = hash;
-+ }
-+ sch->qstats.backlog += skb->len;
-+ __skb_queue_head(&q->qs[x], skb);
-+ esfq_inc(q, x);
-+ if (q->qs[x].qlen == 1) { /* The flow is new */
-+ if (q->tail == depth) { /* It is the first flow */
-+ q->tail = x;
-+ q->next[x] = x;
-+ q->allot[x] = q->quantum;
-+ } else {
-+ q->next[x] = q->next[q->tail];
-+ q->next[q->tail] = x;
-+ q->tail = x;
-+ }
-+ }
-+ if (++sch->q.qlen < q->limit - 1) {
-+ sch->qstats.requeues++;
-+ return 0;
-+ }
-+
-+ sch->qstats.drops++;
-+ esfq_drop(sch);
-+ return NET_XMIT_CN;
-+}
-+
-+
-+
-+
-+static struct sk_buff *
-+esfq_dequeue(struct Qdisc* sch)
-+{
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+ struct sk_buff *skb;
-+ unsigned depth = q->depth;
-+ esfq_index a, old_a;
-+
-+ /* No active slots */
-+ if (q->tail == depth)
-+ return NULL;
-+
-+ a = old_a = q->next[q->tail];
-+
-+ /* Grab packet */
-+ skb = __skb_dequeue(&q->qs[a]);
-+ esfq_dec(q, a);
-+ sch->q.qlen--;
-+ sch->qstats.backlog -= skb->len;
-+
-+ /* Is the slot empty? */
-+ if (q->qs[a].qlen == 0) {
-+ q->ht[q->hash[a]] = depth;
-+ a = q->next[a];
-+ if (a == old_a) {
-+ q->tail = depth;
-+ return skb;
-+ }
-+ q->next[q->tail] = a;
-+ q->allot[a] += q->quantum;
-+ } else if ((q->allot[a] -= skb->len) <= 0) {
-+ q->tail = a;
-+ a = q->next[a];
-+ q->allot[a] += q->quantum;
-+ }
-+
-+ return skb;
-+}
-+
-+static void
-+esfq_reset(struct Qdisc* sch)
-+{
-+ struct sk_buff *skb;
-+
-+ while ((skb = esfq_dequeue(sch)) != NULL)
-+ kfree_skb(skb);
-+}
-+
-+static void esfq_perturbation(unsigned long arg)
-+{
-+ struct Qdisc *sch = (struct Qdisc*)arg;
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+
-+ q->perturbation = net_random()&0x1F;
-+
-+ if (q->perturb_period) {
-+ q->perturb_timer.expires = jiffies + q->perturb_period;
-+ add_timer(&q->perturb_timer);
-+ }
-+}
-+
-+static int esfq_change(struct Qdisc *sch, struct rtattr *opt)
-+{
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+ struct tc_esfq_qopt *ctl = RTA_DATA(opt);
-+ int old_perturb = q->perturb_period;
-+
-+ if (opt->rta_len < RTA_LENGTH(sizeof(*ctl)))
-+ return -EINVAL;
-+
-+ sch_tree_lock(sch);
-+ q->quantum = ctl->quantum ? : psched_mtu(sch->dev);
-+ q->perturb_period = ctl->perturb_period*HZ;
-+// q->hash_divisor = ctl->divisor;
-+// q->tail = q->limit = q->depth = ctl->flows;
-+
-+ if (ctl->limit)
-+ q->limit = min_t(u32, ctl->limit, q->depth);
-+
-+ if (ctl->hash_kind) {
-+ q->hash_kind = ctl->hash_kind;
-+ if (q->hash_kind != TCA_SFQ_HASH_CLASSIC)
-+ q->perturb_period = 0;
-+ }
-+
-+ // is sch_tree_lock enough to do this ?
-+ while (sch->q.qlen >= q->limit-1)
-+ esfq_drop(sch);
-+
-+ if (old_perturb)
-+ del_timer(&q->perturb_timer);
-+ if (q->perturb_period) {
-+ q->perturb_timer.expires = jiffies + q->perturb_period;
-+ add_timer(&q->perturb_timer);
-+ } else {
-+ q->perturbation = 0;
-+ }
-+ sch_tree_unlock(sch);
-+ return 0;
-+}
-+
-+static int esfq_init(struct Qdisc *sch, struct rtattr *opt)
-+{
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+ struct tc_esfq_qopt *ctl;
-+ esfq_index p = ~0U/2;
-+ int i;
-+
-+ if (opt && opt->rta_len < RTA_LENGTH(sizeof(*ctl)))
-+ return -EINVAL;
-+
-+ init_timer(&q->perturb_timer);
-+ q->perturb_timer.data = (unsigned long)sch;
-+ q->perturb_timer.function = esfq_perturbation;
-+ q->perturbation = 0;
-+ q->hash_kind = TCA_SFQ_HASH_CLASSIC;
-+ q->max_depth = 0;
-+ q->dyn_min = ~0U; /* maximum value for this type */
-+ q->dyn_max = 0; /* dyn_min/dyn_max will be set properly upon first packet */
-+ if (opt == NULL) {
-+ q->quantum = psched_mtu(sch->dev);
-+ q->perturb_period = 0;
-+ q->hash_divisor = 1024;
-+ q->tail = q->limit = q->depth = 128;
-+
-+ } else {
-+ ctl = RTA_DATA(opt);
-+ q->quantum = ctl->quantum ? : psched_mtu(sch->dev);
-+ q->perturb_period = ctl->perturb_period*HZ;
-+ q->hash_divisor = ctl->divisor ? : 1024;
-+ q->tail = q->limit = q->depth = ctl->flows ? : 128;
-+
-+ if ( q->depth > p - 1 )
-+ return -EINVAL;
-+
-+ if (ctl->limit)
-+ q->limit = min_t(u32, ctl->limit, q->depth);
-+
-+ if (ctl->hash_kind) {
-+ q->hash_kind = ctl->hash_kind;
-+ }
-+
-+ if (q->perturb_period) {
-+ q->perturb_timer.expires = jiffies + q->perturb_period;
-+ add_timer(&q->perturb_timer);
-+ }
-+ }
-+
-+ q->ht = kmalloc(q->hash_divisor*sizeof(esfq_index), GFP_KERNEL);
-+ if (!q->ht)
-+ goto err_case;
-+
-+ q->dep = kmalloc((1+q->depth*2)*sizeof(struct esfq_head), GFP_KERNEL);
-+ if (!q->dep)
-+ goto err_case;
-+ q->next = kmalloc(q->depth*sizeof(esfq_index), GFP_KERNEL);
-+ if (!q->next)
-+ goto err_case;
-+
-+ q->allot = kmalloc(q->depth*sizeof(short), GFP_KERNEL);
-+ if (!q->allot)
-+ goto err_case;
-+ q->hash = kmalloc(q->depth*sizeof(unsigned short), GFP_KERNEL);
-+ if (!q->hash)
-+ goto err_case;
-+ q->qs = kmalloc(q->depth*sizeof(struct sk_buff_head), GFP_KERNEL);
-+ if (!q->qs)
-+ goto err_case;
-+
-+ for (i=0; i< q->hash_divisor; i++)
-+ q->ht[i] = q->depth;
-+ for (i=0; i<q->depth; i++) {
-+ skb_queue_head_init(&q->qs[i]);
-+ q->dep[i+q->depth].next = i+q->depth;
-+ q->dep[i+q->depth].prev = i+q->depth;
-+ }
-+
-+ for (i=0; i<q->depth; i++)
-+ esfq_link(q, i);
-+ return 0;
-+err_case:
-+ del_timer(&q->perturb_timer);
-+ if (q->ht)
-+ kfree(q->ht);
-+ if (q->dep)
-+ kfree(q->dep);
-+ if (q->next)
-+ kfree(q->next);
-+ if (q->allot)
-+ kfree(q->allot);
-+ if (q->hash)
-+ kfree(q->hash);
-+ if (q->qs)
-+ kfree(q->qs);
-+ return -ENOBUFS;
-+}
-+
-+static void esfq_destroy(struct Qdisc *sch)
-+{
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+ del_timer(&q->perturb_timer);
-+ if(q->ht)
-+ kfree(q->ht);
-+ if(q->dep)
-+ kfree(q->dep);
-+ if(q->next)
-+ kfree(q->next);
-+ if(q->allot)
-+ kfree(q->allot);
-+ if(q->hash)
-+ kfree(q->hash);
-+ if(q->qs)
-+ kfree(q->qs);
-+}
-+
-+static int esfq_dump(struct Qdisc *sch, struct sk_buff *skb)
-+{
-+ struct esfq_sched_data *q = qdisc_priv(sch);
-+ unsigned char *b = skb->tail;
-+ struct tc_esfq_qopt opt;
-+
-+ opt.quantum = q->quantum;
-+ opt.perturb_period = q->perturb_period/HZ;
-+
-+ opt.limit = q->limit;
-+ opt.divisor = q->hash_divisor;
-+ opt.flows = q->depth;
-+ opt.hash_kind = q->hash_kind;
-+
-+ RTA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
-+
-+ return skb->len;
-+
-+rtattr_failure:
-+ skb_trim(skb, b - skb->data);
-+ return -1;
-+}
-+
-+static struct Qdisc_ops esfq_qdisc_ops =
-+{
-+ .next = NULL,
-+ .cl_ops = NULL,
-+ .id = "esfq",
-+ .priv_size = sizeof(struct esfq_sched_data),
-+ .enqueue = esfq_enqueue,
-+ .dequeue = esfq_dequeue,
-+ .requeue = esfq_requeue,
-+ .drop = esfq_drop,
-+ .init = esfq_init,
-+ .reset = esfq_reset,
-+ .destroy = esfq_destroy,
-+ .change = NULL, /* esfq_change - needs more work */
-+ .dump = esfq_dump,
-+ .owner = THIS_MODULE,
-+};
-+
-+static int __init esfq_module_init(void)
-+{
-+ return register_qdisc(&esfq_qdisc_ops);
-+}
-+static void __exit esfq_module_exit(void)
-+{
-+ unregister_qdisc(&esfq_qdisc_ops);
-+}
-+module_init(esfq_module_init)
-+module_exit(esfq_module_exit)
-+MODULE_LICENSE("GPL");
+++ /dev/null
---- a/include/linux/rtnetlink.h
-+++ b/include/linux/rtnetlink.h
-@@ -293,6 +293,8 @@
- #define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */
- #define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */
- #define RTNH_F_ONLINK 4 /* Gateway is forced on link */
-+#define RTNH_F_SUSPECT 8 /* We don't know the real state */
-+#define RTNH_F_BADSTATE (RTNH_F_DEAD | RTNH_F_SUSPECT)
-
- /* Macros to handle hexthops */
-
---- a/include/net/flow.h
-+++ b/include/net/flow.h
-@@ -19,6 +19,8 @@
- struct {
- __be32 daddr;
- __be32 saddr;
-+ __u32 lsrc;
-+ __u32 gw;
- __u8 tos;
- __u8 scope;
- } ip4_u;
-@@ -43,6 +45,8 @@
- #define fl6_flowlabel nl_u.ip6_u.flowlabel
- #define fl4_dst nl_u.ip4_u.daddr
- #define fl4_src nl_u.ip4_u.saddr
-+#define fl4_lsrc nl_u.ip4_u.lsrc
-+#define fl4_gw nl_u.ip4_u.gw
- #define fl4_tos nl_u.ip4_u.tos
- #define fl4_scope nl_u.ip4_u.scope
-
---- a/net/ipv4/route.c
-+++ b/net/ipv4/route.c
-@@ -1208,6 +1208,7 @@
-
- /* Gateway is different ... */
- rt->rt_gateway = new_gw;
-+ if (rt->fl.fl4_gw) rt->fl.fl4_gw = new_gw;
-
- /* Redirect received -> path was valid */
- dst_confirm(&rth->u.dst);
-@@ -1643,6 +1644,7 @@
- rth->fl.fl4_tos = tos;
- rth->fl.mark = skb->mark;
- rth->fl.fl4_src = saddr;
-+ rth->fl.fl4_lsrc = 0;
- rth->rt_src = saddr;
- #ifdef CONFIG_NET_CLS_ROUTE
- rth->u.dst.tclassid = itag;
-@@ -1653,6 +1655,7 @@
- dev_hold(rth->u.dst.dev);
- rth->idev = in_dev_get(rth->u.dst.dev);
- rth->fl.oif = 0;
-+ rth->fl.fl4_gw = 0;
- rth->rt_gateway = daddr;
- rth->rt_spec_dst= spec_dst;
- rth->rt_type = RTN_MULTICAST;
-@@ -1716,7 +1719,7 @@
- static inline int __mkroute_input(struct sk_buff *skb,
- struct fib_result* res,
- struct in_device *in_dev,
-- __be32 daddr, __be32 saddr, u32 tos,
-+ __be32 daddr, __be32 saddr, u32 tos, u32 lsrc,
- struct rtable **result)
- {
-
-@@ -1751,6 +1754,7 @@
- flags |= RTCF_DIRECTSRC;
-
- if (out_dev == in_dev && err && !(flags & (RTCF_NAT | RTCF_MASQ)) &&
-+ !lsrc &&
- (IN_DEV_SHARED_MEDIA(out_dev) ||
- inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res))))
- flags |= RTCF_DOREDIRECT;
-@@ -1788,6 +1792,7 @@
- rth->fl.mark = skb->mark;
- rth->fl.fl4_src = saddr;
- rth->rt_src = saddr;
-+ rth->fl.fl4_lsrc = lsrc;
- rth->rt_gateway = daddr;
- rth->rt_iif =
- rth->fl.iif = in_dev->dev->ifindex;
-@@ -1795,6 +1800,7 @@
- dev_hold(rth->u.dst.dev);
- rth->idev = in_dev_get(rth->u.dst.dev);
- rth->fl.oif = 0;
-+ rth->fl.fl4_gw = 0;
- rth->rt_spec_dst= spec_dst;
-
- rth->u.dst.input = ip_forward;
-@@ -1816,19 +1822,21 @@
- struct fib_result* res,
- const struct flowi *fl,
- struct in_device *in_dev,
-- __be32 daddr, __be32 saddr, u32 tos)
-+ __be32 daddr, __be32 saddr, u32 tos,
-+ u32 lsrc)
- {
- struct rtable* rth = NULL;
- int err;
- unsigned hash;
-
-+ fib_select_default(fl, res);
- #ifdef CONFIG_IP_ROUTE_MULTIPATH
-- if (res->fi && res->fi->fib_nhs > 1 && fl->oif == 0)
-+ if (res->fi && res->fi->fib_nhs > 1)
- fib_select_multipath(fl, res);
- #endif
-
- /* create a routing cache entry */
-- err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos, &rth);
-+ err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos, lsrc, &rth);
- if (err)
- return err;
-
-@@ -1841,7 +1849,8 @@
- struct fib_result* res,
- const struct flowi *fl,
- struct in_device *in_dev,
-- __be32 daddr, __be32 saddr, u32 tos)
-+ __be32 daddr, __be32 saddr, u32 tos,
-+ u32 lsrc)
- {
- #ifdef CONFIG_IP_ROUTE_MULTIPATH_CACHED
- struct rtable* rth = NULL, *rtres;
-@@ -1857,7 +1866,7 @@
- /* distinguish between multipath and singlepath */
- if (hopcount < 2)
- return ip_mkroute_input_def(skb, res, fl, in_dev, daddr,
-- saddr, tos);
-+ saddr, tos, 0);
-
- /* add all alternatives to the routing cache */
- for (hop = 0; hop < hopcount; hop++) {
-@@ -1869,7 +1878,7 @@
-
- /* create a routing cache entry */
- err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos,
-- &rth);
-+ 0, &rth);
- if (err)
- return err;
-
-@@ -1889,7 +1898,7 @@
- skb->dst = &rtres->u.dst;
- return err;
- #else /* CONFIG_IP_ROUTE_MULTIPATH_CACHED */
-- return ip_mkroute_input_def(skb, res, fl, in_dev, daddr, saddr, tos);
-+ return ip_mkroute_input_def(skb, res, fl, in_dev, daddr, saddr, tos, lsrc);
- #endif /* CONFIG_IP_ROUTE_MULTIPATH_CACHED */
- }
-
-@@ -1905,18 +1914,18 @@
- */
-
- static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
-- u8 tos, struct net_device *dev)
-+ u8 tos, struct net_device *dev, u32 lsrc)
- {
- struct fib_result res;
- struct in_device *in_dev = in_dev_get(dev);
- struct flowi fl = { .nl_u = { .ip4_u =
- { .daddr = daddr,
-- .saddr = saddr,
-+ .saddr = lsrc ? : saddr,
- .tos = tos,
- .scope = RT_SCOPE_UNIVERSE,
- } },
- .mark = skb->mark,
-- .iif = dev->ifindex };
-+ .iif = lsrc? loopback_dev.ifindex : dev->ifindex };
- unsigned flags = 0;
- u32 itag = 0;
- struct rtable * rth;
-@@ -1949,6 +1958,12 @@
- if (BADCLASS(daddr) || ZERONET(daddr) || LOOPBACK(daddr))
- goto martian_destination;
-
-+ if (lsrc) {
-+ if (MULTICAST(lsrc) || BADCLASS(lsrc) ||
-+ ZERONET(lsrc) || LOOPBACK(lsrc))
-+ goto e_inval;
-+ }
-+
- /*
- * Now we are ready to route packet.
- */
-@@ -1958,6 +1973,10 @@
- goto no_route;
- }
- free_res = 1;
-+ if (lsrc && res.type != RTN_UNICAST && res.type != RTN_NAT)
-+ goto e_inval;
-+ fl.iif = dev->ifindex;
-+ fl.fl4_src = saddr;
-
- RT_CACHE_STAT_INC(in_slow_tot);
-
-@@ -1982,7 +2001,7 @@
- if (res.type != RTN_UNICAST)
- goto martian_destination;
-
-- err = ip_mkroute_input(skb, &res, &fl, in_dev, daddr, saddr, tos);
-+ err = ip_mkroute_input(skb, &res, &fl, in_dev, daddr, saddr, tos, lsrc);
- if (err == -ENOBUFS)
- goto e_nobufs;
- if (err == -EINVAL)
-@@ -1997,6 +2016,8 @@
- brd_input:
- if (skb->protocol != htons(ETH_P_IP))
- goto e_inval;
-+ if (lsrc)
-+ goto e_inval;
-
- if (ZERONET(saddr))
- spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
-@@ -2037,6 +2058,7 @@
- rth->u.dst.dev = &loopback_dev;
- dev_hold(rth->u.dst.dev);
- rth->idev = in_dev_get(rth->u.dst.dev);
-+ rth->fl.fl4_gw = 0;
- rth->rt_gateway = daddr;
- rth->rt_spec_dst= spec_dst;
- rth->u.dst.input= ip_local_deliver;
-@@ -2086,8 +2108,9 @@
- goto e_inval;
- }
-
--int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
-- u8 tos, struct net_device *dev)
-+static inline int
-+ip_route_input_cached(struct sk_buff *skb, __be32 daddr, __be32 saddr,
-+ u8 tos, struct net_device *dev, u32 lsrc)
- {
- struct rtable * rth;
- unsigned hash;
-@@ -2102,6 +2125,7 @@
- if (rth->fl.fl4_dst == daddr &&
- rth->fl.fl4_src == saddr &&
- rth->fl.iif == iif &&
-+ rth->fl.fl4_lsrc == lsrc &&
- rth->fl.oif == 0 &&
- rth->fl.mark == skb->mark &&
- rth->fl.fl4_tos == tos) {
-@@ -2148,7 +2172,19 @@
- rcu_read_unlock();
- return -EINVAL;
- }
-- return ip_route_input_slow(skb, daddr, saddr, tos, dev);
-+ return ip_route_input_slow(skb, daddr, saddr, tos, dev, lsrc);
-+}
-+
-+int ip_route_input(struct sk_buff *skb, u32 daddr, u32 saddr,
-+ u8 tos, struct net_device *dev)
-+{
-+ return ip_route_input_cached(skb, daddr, saddr, tos, dev, 0);
-+}
-+
-+int ip_route_input_lookup(struct sk_buff *skb, u32 daddr, u32 saddr,
-+ u8 tos, struct net_device *dev, u32 lsrc)
-+{
-+ return ip_route_input_cached(skb, daddr, saddr, tos, dev, lsrc);
- }
-
- static inline int __mkroute_output(struct rtable **result,
-@@ -2227,6 +2263,7 @@
- rth->fl.fl4_tos = tos;
- rth->fl.fl4_src = oldflp->fl4_src;
- rth->fl.oif = oldflp->oif;
-+ rth->fl.fl4_gw = oldflp->fl4_gw;
- rth->fl.mark = oldflp->mark;
- rth->rt_dst = fl->fl4_dst;
- rth->rt_src = fl->fl4_src;
-@@ -2367,6 +2404,7 @@
- struct flowi fl = { .nl_u = { .ip4_u =
- { .daddr = oldflp->fl4_dst,
- .saddr = oldflp->fl4_src,
-+ .gw = oldflp->fl4_gw,
- .tos = tos & IPTOS_RT_MASK,
- .scope = ((tos & RTO_ONLINK) ?
- RT_SCOPE_LINK :
-@@ -2470,6 +2508,7 @@
- dev_out = &loopback_dev;
- dev_hold(dev_out);
- fl.oif = loopback_dev.ifindex;
-+ fl.fl4_gw = 0;
- res.type = RTN_LOCAL;
- flags |= RTCF_LOCAL;
- goto make_route;
-@@ -2477,7 +2516,7 @@
-
- if (fib_lookup(&fl, &res)) {
- res.fi = NULL;
-- if (oldflp->oif) {
-+ if (oldflp->oif && dev_out->flags & IFF_UP) {
- /* Apparently, routing tables are wrong. Assume,
- that the destination is on link.
-
-@@ -2517,6 +2556,7 @@
- dev_out = &loopback_dev;
- dev_hold(dev_out);
- fl.oif = dev_out->ifindex;
-+ fl.fl4_gw = 0;
- if (res.fi)
- fib_info_put(res.fi);
- res.fi = NULL;
-@@ -2524,13 +2564,12 @@
- goto make_route;
- }
-
-+ if (res.type == RTN_UNICAST)
-+ fib_select_default(&fl, &res);
- #ifdef CONFIG_IP_ROUTE_MULTIPATH
-- if (res.fi->fib_nhs > 1 && fl.oif == 0)
-+ if (res.fi->fib_nhs > 1)
- fib_select_multipath(&fl, &res);
-- else
- #endif
-- if (!res.prefixlen && res.type == RTN_UNICAST && !fl.oif)
-- fib_select_default(&fl, &res);
-
- if (!fl.fl4_src)
- fl.fl4_src = FIB_RES_PREFSRC(res);
-@@ -2567,6 +2606,7 @@
- rth->fl.fl4_src == flp->fl4_src &&
- rth->fl.iif == 0 &&
- rth->fl.oif == flp->oif &&
-+ rth->fl.fl4_gw == flp->fl4_gw &&
- rth->fl.mark == flp->mark &&
- !((rth->fl.fl4_tos ^ flp->fl4_tos) &
- (IPTOS_RT_MASK | RTO_ONLINK))) {
-@@ -3267,3 +3307,4 @@
- EXPORT_SYMBOL(__ip_select_ident);
- EXPORT_SYMBOL(ip_route_input);
- EXPORT_SYMBOL(ip_route_output_key);
-+EXPORT_SYMBOL(ip_route_input_lookup);
+++ /dev/null
---- a/arch/mips/Makefile
-+++ b/arch/mips/Makefile
-@@ -589,6 +589,9 @@
- core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/tx4938/common/
- load-$(CONFIG_TOSHIBA_RBTX4938) += 0xffffffff80100000
-
-+# temporary until string.h is fixed
-+cflags-y += -ffreestanding
-+
- cflags-y += -Iinclude/asm-mips/mach-generic
- drivers-$(CONFIG_PCI) += arch/mips/pci/
-
+++ /dev/null
---- a/fs/jffs2/build.c
-+++ b/fs/jffs2/build.c
-@@ -105,6 +105,17 @@
- dbg_fsbuild("scanned flash completely\n");
- jffs2_dbg_dump_block_lists_nolock(c);
-
-+ if (c->flags & (1 << 7)) {
-+ printk("%s(): unlocking the mtd device... ", __func__);
-+ if (c->mtd->unlock)
-+ c->mtd->unlock(c->mtd, 0, c->mtd->size);
-+ printk("done.\n");
-+
-+ printk("%s(): erasing all blocks after the end marker... ", __func__);
-+ jffs2_erase_pending_blocks(c, -1);
-+ printk("done.\n");
-+ }
-+
- dbg_fsbuild("pass 1 starting\n");
- c->flags |= JFFS2_SB_FLAG_BUILDING;
- /* Now scan the directory tree, increasing nlink according to every dirent found. */
---- a/fs/jffs2/scan.c
-+++ b/fs/jffs2/scan.c
-@@ -142,9 +142,12 @@
-
- /* reset summary info for next eraseblock scan */
- jffs2_sum_reset_collected(s);
--
-- ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset),
-- buf_size, s);
-+
-+ if (c->flags & (1 << 7))
-+ ret = BLK_STATE_ALLFF;
-+ else
-+ ret = jffs2_scan_eraseblock(c, jeb, buf_size?flashbuf:(flashbuf+jeb->offset),
-+ buf_size, s);
-
- if (ret < 0)
- goto out;
-@@ -545,6 +548,17 @@
- return err;
- }
-
-+ if ((buf[0] == 0xde) &&
-+ (buf[1] == 0xad) &&
-+ (buf[2] == 0xc0) &&
-+ (buf[3] == 0xde)) {
-+ /* end of filesystem. erase everything after this point */
-+ printk("%s(): End of filesystem marker found at 0x%x\n", __func__, jeb->offset);
-+ c->flags |= (1 << 7);
-+
-+ return BLK_STATE_ALLFF;
-+ }
-+
- /* We temporarily use 'ofs' as a pointer into the buffer/jeb */
- ofs = 0;
-
+++ /dev/null
---- /dev/null
-+++ b/include/asm-powerpc/segment.h
-@@ -0,0 +1,6 @@
-+#ifndef _ASM_SEGMENT_H
-+#define _ASM_SEGMENT_H
-+
-+/* Only here because we have some old header files that expect it.. */
-+
-+#endif /* _ASM_SEGMENT_H */
+++ /dev/null
---- a/drivers/net/r8169.c
-+++ b/drivers/net/r8169.c
-@@ -494,7 +494,7 @@
- #endif
-
- static const u16 rtl8169_intr_mask =
-- SYSErr | LinkChg | RxOverflow | RxFIFOOver | TxErr | TxOK | RxErr | RxOK;
-+ LinkChg | RxOverflow | RxFIFOOver | TxErr | TxOK | RxErr | RxOK;
- static const u16 rtl8169_napi_event =
- RxOK | RxOverflow | RxFIFOOver | TxOK | TxErr;
- static const unsigned int rtl8169_rx_config =
-@@ -2640,10 +2640,12 @@
- if (!(status & rtl8169_intr_mask))
- break;
-
-+#if 0
- if (unlikely(status & SYSErr)) {
- rtl8169_pcierr_interrupt(dev);
- break;
- }
-+#endif
-
- if (status & LinkChg)
- rtl8169_check_link_status(dev, tp, ioaddr);
+++ /dev/null
---- a/fs/Kconfig
-+++ b/fs/Kconfig
-@@ -461,6 +461,9 @@
- This option will enlarge your kernel, but it allows debugging of
- ocfs2 filesystem issues.
-
-+config MINI_FO
-+ tristate "Mini fanout overlay filesystem"
-+
- config MINIX_FS
- tristate "Minix fs support"
- help
---- a/fs/Makefile
-+++ b/fs/Makefile
-@@ -76,6 +76,7 @@
- obj-$(CONFIG_RAMFS) += ramfs/
- obj-$(CONFIG_HUGETLBFS) += hugetlbfs/
- obj-$(CONFIG_CODA_FS) += coda/
-+obj-$(CONFIG_MINI_FO) += mini_fo/
- obj-$(CONFIG_MINIX_FS) += minix/
- obj-$(CONFIG_FAT_FS) += fat/
- obj-$(CONFIG_MSDOS_FS) += msdos/
---- /dev/null
-+++ b/fs/mini_fo/aux.c
-@@ -0,0 +1,580 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+/*
-+ * $Id$
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif
-+
-+#include "fist.h"
-+#include "mini_fo.h"
-+
-+/* check if file exists in storage */
-+int exists_in_storage(dentry_t *dentry)
-+{
-+ check_mini_fo_dentry(dentry);
-+ if(dtost(dentry) == MODIFIED || dtost(dentry) == CREATED || dtost(dentry) == DEL_REWRITTEN)
-+ return 1;
-+ return 0;
-+}
-+
-+/* check if dentry is in an existing state */
-+int is_mini_fo_existant(dentry_t *dentry)
-+{
-+ check_mini_fo_dentry(dentry);
-+
-+ if(dtost(dentry) == DELETED || dtost(dentry) == NON_EXISTANT)
-+ return 0;
-+ else
-+ return 1;
-+}
-+
-+/*
-+ * This function will create a negative storage dentry for
-+ * dentry, what is required for many create like options.
-+ * It will create the storage structure if necessary.
-+ */
-+int get_neg_sto_dentry(dentry_t *dentry)
-+{
-+ int err = 0;
-+ unsigned int len;
-+ const unsigned char *name;
-+
-+ if(!dentry ||
-+ !dtopd(dentry) ||
-+ !(dtost(dentry) == UNMODIFIED ||
-+ dtost(dentry) == NON_EXISTANT ||
-+ dtost(dentry) == DELETED)) {
-+ printk(KERN_CRIT "mini_fo: get_neg_sto_dentry: invalid dentry passed.\n");
-+ err = -1;
-+ goto out;
-+ }
-+ /* Have we got a neg. dentry already? */
-+ if(dtohd2(dentry)) {
-+ err = 0;
-+ goto out;
-+ }
-+ if(dtost(dentry->d_parent) == UNMODIFIED) {
-+ /* build sto struct */
-+ err = build_sto_structure(dentry->d_parent->d_parent, dentry->d_parent);
-+ if(err ||
-+ dtost(dentry->d_parent) != MODIFIED) {
-+ printk(KERN_CRIT "mini_fo: get_neg_sto_dentry: ERROR building sto structure.\n");
-+ err = -1;
-+ goto out;
-+ }
-+ }
-+
-+ len = dentry->d_name.len;
-+ name = dentry->d_name.name;
-+
-+ dtohd2(dentry) =
-+ lookup_one_len(name, dtohd2(dentry->d_parent), len);
-+
-+ out:
-+ return err;
-+}
-+
-+int check_mini_fo_dentry(dentry_t *dentry)
-+{
-+ ASSERT(dentry != NULL);
-+ ASSERT(dtopd(dentry) != NULL);
-+ ASSERT((dtohd(dentry) != NULL) || (dtohd2(dentry) != NULL));
-+
-+/* if(dtost(dentry) == MODIFIED) { */
-+/* ASSERT(dentry->d_inode != NULL); */
-+/* ASSERT(dtohd(dentry) != NULL); */
-+/* ASSERT(dtohd(dentry)->d_inode != NULL); */
-+/* ASSERT(dtohd2(dentry) != NULL); */
-+/* ASSERT(dtohd2(dentry)->d_inode != NULL); */
-+/* } */
-+/* else if(dtost(dentry) == UNMODIFIED) { */
-+/* ASSERT(dentry->d_inode != NULL); */
-+/* ASSERT( */
-+/* } */
-+ return 0;
-+}
-+
-+int check_mini_fo_file(file_t *file)
-+{
-+ ASSERT(file != NULL);
-+ ASSERT(ftopd(file) != NULL);
-+ ASSERT(file->f_dentry != NULL);
-+
-+ /* violent checking, check depending of state and type
-+ * if(S_ISDIR(file->f_dentry->d_inode->i_mode)) {}
-+ */
-+ ASSERT((ftohf(file) != NULL) || (ftohf2(file) != NULL));
-+ return 0;
-+}
-+
-+int check_mini_fo_inode(inode_t *inode)
-+{
-+ ASSERT(inode != NULL);
-+ ASSERT(itopd(inode) != NULL);
-+ ASSERT((itohi(inode) != NULL) || (itohi2(inode) != NULL));
-+ return 0;
-+}
-+
-+/*
-+ * will walk a base path as provided by get_mini_fo_bpath and return
-+ * the (hopefully ;-) ) positive dentry of the renamed base dir.
-+ *
-+ * This does some work of path_init.
-+ */
-+dentry_t *bpath_walk(super_block_t *sb, char *bpath)
-+{
-+ int err;
-+ struct nameidata nd;
-+
-+ /* be paranoid */
-+ if(!bpath || bpath[0] != '/') {
-+ printk(KERN_CRIT "mini_fo: bpath_walk: Invalid string.\n");
-+ return NULL;
-+ }
-+ if(!sb || !stopd(sb)) {
-+ printk(KERN_CRIT "mini_fo: bpath_walk: Invalid sb.\n");
-+ return NULL;
-+ }
-+
-+ /* setup nd as path_init does */
-+ nd.last_type = LAST_ROOT; /* if there are only slashes... */
-+ nd.flags = LOOKUP_FOLLOW;
-+ /* fix this: how do I reach this lock?
-+ * read_lock(¤t->fs->lock); */
-+ nd.mnt = mntget(stopd(sb)->hidden_mnt);
-+ nd.dentry = dget(stopd(sb)->base_dir_dentry);
-+ /* read_unlock(¤t->fs->lock); */
-+
-+ err = path_walk(bpath+1, &nd);
-+
-+ /* validate */
-+ if (err || !nd.dentry || !nd.dentry->d_inode) {
-+ printk(KERN_CRIT "mini_fo: bpath_walk: path_walk failed.\n");
-+ return NULL;
-+ }
-+ return nd.dentry;
-+}
-+
-+
-+/* returns the full path of the basefile incl. its name */
-+int get_mini_fo_bpath(dentry_t *dentry, char **bpath, int *bpath_len)
-+{
-+ char *buf_walker;
-+ int len = 0;
-+ dentry_t *sky_walker;
-+
-+ if(!dentry || !dtohd(dentry)) {
-+ printk(KERN_CRIT "mini_fo: get_mini_fo_bpath: invalid dentry passed.\n");
-+ return -1;
-+ }
-+ sky_walker = dtohd(dentry);
-+
-+ do {
-+ len += sky_walker->d_name.len + 1 ; /* 1 for '/' */
-+ sky_walker = sky_walker->d_parent;
-+ } while(sky_walker != stopd(dentry->d_inode->i_sb)->base_dir_dentry);
-+
-+ /* 1 to oil the loop */
-+ *bpath = (char*) kmalloc(len + 1, GFP_KERNEL);
-+ if(!*bpath) {
-+ printk(KERN_CRIT "mini_fo: get_mini_fo_bpath: out of mem.\n");
-+ return -1;
-+ }
-+ buf_walker = *bpath+len; /* put it on last char */
-+ *buf_walker = '\n';
-+ sky_walker = dtohd(dentry);
-+
-+ do {
-+ buf_walker -= sky_walker->d_name.len;
-+ strncpy(buf_walker,
-+ sky_walker->d_name.name,
-+ sky_walker->d_name.len);
-+ *(--buf_walker) = '/';
-+ sky_walker = sky_walker->d_parent;
-+ } while(sky_walker != stopd(dentry->d_inode->i_sb)->base_dir_dentry);
-+
-+ /* bpath_len doesn't count newline! */
-+ *bpath_len = len;
-+ return 0;
-+}
-+
-+int mini_fo_cp_cont(dentry_t *tgt_dentry, struct vfsmount *tgt_mnt,
-+ dentry_t *src_dentry, struct vfsmount *src_mnt)
-+{
-+ void *buf;
-+ mm_segment_t old_fs;
-+ file_t *tgt_file;
-+ file_t *src_file;
-+ int bytes, len, tmp, err;
-+ err = 0;
-+
-+ if(!(tgt_dentry->d_inode && src_dentry->d_inode)) {
-+ printk(KERN_CRIT "mini_fo_cp_cont: ERROR, neg. dentry passed.\n");
-+ err = -EINVAL;
-+ goto out;
-+ }
-+
-+ dget(tgt_dentry);
-+ dget(src_dentry);
-+ mntget(tgt_mnt);
-+ mntget(src_mnt);
-+
-+ /* open file write only */
-+ tgt_file = dentry_open(tgt_dentry, tgt_mnt, 0x1);
-+ if(!tgt_file || IS_ERR(tgt_file)) {
-+ printk(KERN_CRIT "mini_fo_cp_cont: ERROR opening target file.\n");
-+ err = PTR_ERR(tgt_file);
-+ goto out_err;
-+ }
-+
-+ /* open file read only */
-+ src_file = dentry_open(src_dentry, src_mnt, 0x0);
-+ if(!src_file || IS_ERR(src_file)) {
-+ printk(KERN_CRIT "mini_fo_cp_cont: ERROR opening source file.\n");
-+ err = PTR_ERR(src_file);
-+
-+ /* close target file */
-+ fput(tgt_file);
-+ goto out_err;
-+ }
-+
-+ /* check if the filesystem(s) support read respective write */
-+ if(!src_file->f_op->read || !tgt_file->f_op->write) {
-+ printk(KERN_CRIT "mini_fo_cp_cont: ERROR, no fs read or write support.\n");
-+ err = -EPERM;
-+ goto out_close;
-+ }
-+
-+ /* allocate a page for transfering the data */
-+ buf = (void *) __get_free_page(GFP_KERNEL);
-+ if(!buf) {
-+ printk(KERN_CRIT "mini_fo_cp_cont: ERROR, out of kernel mem.\n");
-+ goto out_err;
-+ }
-+
-+ tgt_file->f_pos = 0;
-+ src_file->f_pos = 0;
-+
-+ old_fs = get_fs();
-+ set_fs(KERNEL_DS);
-+
-+ /* Doing this I assume that a read operation will return a full
-+ * buffer while there is still data to read, and a less than
-+ * full buffer when all data has been read.
-+ */
-+ bytes = len = PAGE_SIZE;
-+ while(bytes == len) {
-+ bytes = src_file->f_op->read(src_file, buf, len,
-+ &src_file->f_pos);
-+ tmp = tgt_file->f_op->write(tgt_file, buf, bytes,
-+ &tgt_file->f_pos);
-+ if(tmp != bytes) {
-+ printk(KERN_CRIT "mini_fo_cp_cont: ERROR writing.\n");
-+ goto out_close_unset;
-+ }
-+ }
-+
-+ free_page((unsigned long) buf);
-+ set_fs(old_fs);
-+ fput(tgt_file);
-+ fput(src_file);
-+ goto out;
-+
-+ out_close_unset:
-+ free_page((unsigned long) buf);
-+ set_fs(old_fs);
-+
-+ out_close:
-+ fput(tgt_file);
-+ fput(src_file);
-+
-+ out_err:
-+ dput(tgt_dentry);
-+ dput(src_dentry);
-+
-+ /* mk: not sure if this need to be done */
-+ mntput(tgt_mnt);
-+ mntput(src_mnt);
-+
-+ out:
-+ return err;
-+}
-+
-+/* mk:
-+ * ndl (no-duplicate list) stuff
-+ * This is used in mini_fo_readdir, to save the storage directory contents
-+ * and later when reading base, match them against the list in order
-+ * to avoid duplicates.
-+ */
-+
-+/* add a file specified by name and len to the ndl
-+ * Return values: 0 on success, <0 on failure.
-+ */
-+int ndl_add_entry(struct readdir_data *rd, const char *name, int len)
-+{
-+ struct ndl_entry *tmp_entry;
-+
-+ tmp_entry = (struct ndl_entry *)
-+ kmalloc(sizeof(struct ndl_entry), GFP_KERNEL);
-+ if(!tmp_entry) {
-+ printk(KERN_CRIT "mini_fo: ndl_add_entry: out of mem.\n");
-+ return -ENOMEM;
-+ }
-+ tmp_entry->name = (char*) kmalloc(len, GFP_KERNEL);
-+ if(!tmp_entry->name) {
-+ printk(KERN_CRIT "mini_fo: ndl_add_entry: out of mem.\n");
-+ return -ENOMEM;
-+ }
-+ strncpy(tmp_entry->name, name, len);
-+ tmp_entry->len = len;
-+
-+ list_add(&tmp_entry->list, &rd->ndl_list);
-+ rd->ndl_size++;
-+ return 0;
-+}
-+
-+/* delete all list entries and free memory */
-+void ndl_put_list(struct readdir_data *rd)
-+{
-+ struct list_head *tmp;
-+ struct ndl_entry *tmp_entry;
-+
-+ if(rd->ndl_size <= 0)
-+ return;
-+ while(!list_empty(&rd->ndl_list)) {
-+ tmp = rd->ndl_list.next;
-+ list_del(tmp);
-+ tmp_entry = list_entry(tmp, struct ndl_entry, list);
-+ kfree(tmp_entry->name);
-+ kfree(tmp_entry);
-+ }
-+ rd->ndl_size = 0;
-+}
-+
-+/* Check if a file specified by name and len is in the ndl
-+ * Return value: 0 if not in list, 1 if file is found in ndl.
-+ */
-+int ndl_check_entry(struct readdir_data *rd, const char *name, int len)
-+{
-+ struct list_head *tmp;
-+ struct ndl_entry *tmp_entry;
-+
-+ if(rd->ndl_size <= 0)
-+ return 0;
-+
-+ list_for_each(tmp, &rd->ndl_list) {
-+ tmp_entry = list_entry(tmp, struct ndl_entry, list);
-+ if(tmp_entry->len != len)
-+ continue;
-+ if(!strncmp(tmp_entry->name, name, len))
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+/* mk:
-+ * Recursive function to create corresponding directorys in the storage fs.
-+ * The function will build the storage directorys up to dentry.
-+ */
-+int build_sto_structure(dentry_t *dir, dentry_t *dentry)
-+{
-+ int err;
-+ dentry_t *hidden_sto_dentry;
-+ dentry_t *hidden_sto_dir_dentry;
-+
-+ if(dentry->d_parent != dir) {
-+ printk(KERN_CRIT "mini_fo: build_sto_structure: invalid parameter or meta data corruption [1].\n");
-+ return 1;
-+ }
-+
-+ if(dtost(dir) != MODIFIED) {
-+ err = build_sto_structure(dir->d_parent, dentry->d_parent);
-+ if(err)
-+ return err;
-+ }
-+
-+ /* ok, coming back again. */
-+ check_mini_fo_dentry(dentry);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ if(!hidden_sto_dentry) {
-+ /*
-+ * This is the case after creating the first
-+ * hidden_sto_dentry.
-+ * After one negative storage_dentry, all pointers to
-+ * hidden_storage dentries are set to NULL. We need to
-+ * create the negative dentry before we create the storage
-+ * file.
-+ */
-+ unsigned int len;
-+ const unsigned char *name;
-+ len = dtohd(dentry)->d_name.len;
-+ name = dtohd(dentry)->d_name.name;
-+ hidden_sto_dentry = lookup_one_len(name, dtohd2(dir), len);
-+ dtohd2(dentry) = hidden_sto_dentry;
-+ }
-+
-+ /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ /* lets be safe */
-+ if(dtohd2(dir) != hidden_sto_dir_dentry) {
-+ printk(KERN_CRIT "mini_fo: build_sto_structure: invalid parameter or meta data corruption [2].\n");
-+ return 1;
-+ }
-+
-+ /* check for errors in lock_parent */
-+ err = PTR_ERR(hidden_sto_dir_dentry);
-+ if(IS_ERR(hidden_sto_dir_dentry)) {
-+ printk(KERN_CRIT "mini_fo: build_sto_structure: lock_parent failed.\n");
-+ return err;
-+ }
-+
-+ err = vfs_mkdir(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry,
-+ dir->d_inode->i_mode);
-+
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: build_sto_structure: failed to create storage dir [1].\n");
-+ /* was: unlock_dir(dir); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&dir->d_inode->i_mutex);
-+#else
-+ up(&dir->d_inode->i_sem);
-+#endif
-+ dput(dir);
-+ return err;
-+ }
-+
-+ /* everything ok! */
-+ if(!dtohd2(dentry)->d_inode) {
-+ printk(KERN_CRIT "mini_fo: build_sto_structure: failed to create storage dir [2].\n");
-+ /* was: unlock_dir(dir); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&dir->d_inode->i_mutex);
-+#else
-+ up(&dir->d_inode->i_sem);
-+#endif
-+ dput(dir);
-+ return 1;
-+ }
-+
-+ /* interpose the new inode and set new state */
-+ itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);
-+ dtopd(dentry)->state = MODIFIED;
-+
-+ /* initalize the wol list */
-+ itopd(dentry->d_inode)->deleted_list_size = -1;
-+ itopd(dentry->d_inode)->renamed_list_size = -1;
-+ meta_build_lists(dentry);
-+
-+ fist_copy_attr_all(dentry->d_inode, itohi2(dentry->d_inode));
-+ fist_copy_attr_timesizes(dir->d_inode,
-+ hidden_sto_dir_dentry->d_inode);
-+ dir->d_inode->i_nlink++;
-+ /* was: unlock_dir(hidden_sto_dir_dentry); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+ return 0;
-+}
-+
-+
-+#if 0 /* unused */
-+
-+/*
-+ * Read "len" bytes from "filename" into "buf".
-+ * "buf" is in kernel space.
-+ */
-+int
-+mini_fo_read_file(const char *filename, void *buf, int len)
-+{
-+ file_t *filp;
-+ mm_segment_t oldfs;
-+ int bytes;
-+ /* Chroot? Maybe NULL isn't right here */
-+ filp = filp_open(filename, O_RDONLY, 0);
-+ if (!filp || IS_ERR(filp)) {
-+ printk("mini_fo_read_file err %d\n", (int) PTR_ERR(filp));
-+ return -1; /* or do something else */
-+ }
-+
-+ if (!filp->f_op->read)
-+ return -2; /* file(system) doesn't allow reads */
-+
-+ /* now read len bytes from offset 0 */
-+ filp->f_pos = 0; /* start offset */
-+ oldfs = get_fs();
-+ set_fs(KERNEL_DS);
-+ bytes = filp->f_op->read(filp, buf, len, &filp->f_pos);
-+ set_fs(oldfs);
-+
-+ /* close the file */
-+ fput(filp);
-+
-+ return bytes;
-+}
-+
-+
-+
-+/*
-+ * Write "len" bytes from "buf" to "filename"
-+ * "buf" is in kernel space.
-+ */
-+int
-+mini_fo_write_file(const char *filename, void *buf, int len)
-+{
-+ file_t *filp;
-+ mm_segment_t oldfs;
-+ int bytes;
-+ /* Chroot? Maybe NULL isn't right here */
-+ filp = filp_open(filename, O_RDWR|O_CREAT, 0640);
-+ if (!filp || IS_ERR(filp)) {
-+ printk("mini_fo_write_file err %d\n", (int) PTR_ERR(filp));
-+ return -1; /* or do something else */
-+ }
-+
-+ if (!filp->f_op->write)
-+ return -2; /* file(system) doesn't allow writes */
-+
-+ /* now write len bytes from offset 0 */
-+ filp->f_pos = 0; /* start offset */
-+ oldfs = get_fs();
-+ set_fs(KERNEL_DS);
-+ bytes = filp->f_op->write(filp, buf, len, &filp->f_pos);
-+ set_fs(oldfs);
-+
-+ /* close the file */
-+ fput(filp);
-+
-+ return bytes;
-+}
-+
-+#endif /* unused */
-+
---- /dev/null
-+++ b/fs/mini_fo/ChangeLog
-@@ -0,0 +1,281 @@
-+2006-01-24 Markus Klotzbuecher <mk@mary.denx.de>
-+
-+ * Add tons of ugly ifdefs to Ed L. Cashin's mutex patch to
-+ retain backwards compatibility.
-+
-+2006-01-24 Ed L. Cashin <ecashin@coraid.com>
-+
-+ * Support for the new mutex infrastructure
-+ (7892f2f48d165a34b0b8130c8a195dfd807b8cb6)
-+
-+2005-10-15 Markus Klotzbuecher <mk@localhost.localdomain>
-+
-+ * Bugfix for a serious memory leak in mini_fo_follow_link.
-+
-+2005-09-21 Markus Klotzbuecher <mk@mary>
-+
-+ * new release 0.6.1
-+
-+ * fix of a compiler warning due to changes in 2.6.13
-+
-+2005-09-21 Klaus Wenninger <klaus.wenninger@siemens.com>
-+
-+ * file.c: readdir: fix for a bug that caused directory entries
-+ to show up twice when using storage filesystems such as
-+ minixfs or pramfs.
-+
-+2005-06-30 Eric Lammerts <eric@lammerts.org>
-+
-+ * fix for an oops when overwriting a binary thats beeing
-+ executed.
-+
-+2005-06-09 <mk@mary>
-+
-+ * Renamed overlay to mini_fo-overlay.
-+
-+ * Added mini_fo-merge script to allow merging of storage and base
-+ after making modifications.
-+
-+2005-05-22 root <mk@mary>
-+
-+ * Added overlay script that allows to easily mount mini_fo ontop
-+ of a given base directory
-+
-+2005-05-10 <mk@mary>
-+
-+ * inode.c: xattr functions return -EOPNOSUPP instead of
-+ -ENOSUPP, what confuses "ls -l"
-+
-+ * Changed license from LGPL to GPL.
-+
-+2005-05-08 root <mk@mary>
-+
-+ * Makefile: clean it up and added make install and make
-+ uninstall.
-+
-+2005-05-06 <mk@mary>
-+
-+ * merged devel branch back to main. [v0-6-0-pre3]
-+
-+ * removed unused files print.c and fist_ioctl. [devel-0-0-18]
-+
-+ * ioctl: removed fist_ioctl stuff, that is not needed for
-+ now.
-+
-+2005-05-03 <mk@mary>
-+
-+ * file.c: simplified mini_fo_open and mini_fo_setattr using
-+ new state changing functions. [devel-0-0-17]
-+
-+ * inode.c: Fixed getattr state bug (see below) in 2.4 function
-+ mini_fo_inode revalidate.
-+
-+ * inode.c: found an other bug in mini_fo_getattr. States are not
-+ reliable in this function, as a file can be opened, unlinked and
-+ the getattr function called. This results in a deleted dentry
-+ with an inode. Fix is to ignore states and simply use the inode
-+ available.
-+
-+2005-04-29 <mk@mary>
-+
-+ * file.c: Bugfix and cleanup in fasync and fsync. [devel-0-0-16]
-+
-+ * file.c: do not use mini_fo_lock so the generic version is
-+ used (I guess).
-+
-+ * inode.c: getattr, never call getattr on lower files, as this
-+ will cause the inum to change.
-+
-+ * inode.c: rename_reg_file renamed to rename_nondir, as it
-+ doesn't matter as long it't not a dir. Removed all
-+ rename_dev_file etc.
-+
-+ * tagged as devel-0-0-15
-+
-+ * inode.c: added support for chosing support for extended
-+ attrs at compile time by XATTR define in mini_fo.h .
-+
-+ * inode.c: fixed mini_fo_getattr to use mini_fo inode and not
-+ lower again, what avoids inode number changes that confused
-+ rm again. This is the proper solution.
-+
-+2005-04-24 <mk@mary>
-+
-+ * all files: updated Copyright notive to 2005. [devel-0-0-14]
-+
-+ * inode.c: fixed mini_fo_getattr to not change the inode
-+ number, even if lower files change.
-+
-+ * super.c: fixed a bug that caused deleted base file to show
-+ up suddenly after some time, or after creating a special
-+ file. The problem was that after some time or after special
-+ file creating sync_sb_inodes is called by the vfs, that
-+ called our mini_fo_put_inode. There was (wrongly) called
-+ __meta_put_lists, that nuked the lists, although the inode
-+ was going to continue its life. Moving __meta_put_lists to
-+ mini_fo_clear_inode, where an inode is really destroyed,
-+ solved the problem.
-+
-+
-+2005-04-23 <mk@mary>
-+
-+ * state.c, aux.c: more cleaning up and
-+ simplifications. [devel-0-0-13]
-+
-+ * inode.c: implemented mini_fo_getattr, that was required for
-+ 2.6 because inode_revalidate has been remove there, and the
-+ old "du" bug returned.
-+
-+
-+2005-04-20 <mk@mary>
-+
-+ * aux.c: get_neg_sto_dentry(): allow to be called for dentries
-+ in state UNMODIFIED, NON_EXISTANT _and_ DELETED.
-+
-+2005-04-19 <mk@mary>
-+
-+ * Fixed a bug under 2.6 that caused files deleted via mini_fo
-+ not to be deleted properly and therefore the fs filled up
-+ untill no memory was left. [devel-0-0-12]
-+
-+ * Added basic hard link support. This means that creating
-+ hardlinks will work, but existing ones will be treated as
-+ individual files. [devel-0-0-11]
-+
-+2005-04-17 <mk@mary>
-+
-+ * Bugfixes
-+
-+2005-04-13 root <mk@mary>
-+
-+ * Added file state.c for the state transition
-+ functions. Doesn't work very well yet, though...
-+
-+2005-04-12 <mk@mary>
-+
-+ * Porting to 2.6 started, which is easier than expected, also
-+ due to Olivier previous work.
-+
-+2005-04-08 <mk@mary>
-+
-+ * Fixed the bug that caused du to return invalid sizes of
-+ directory trees. The problem was that
-+ mini_fo_inode_revalidate didn't always copy the attributes
-+ from the base inode properly.
-+
-+2005-04-01 Markus Klotzbuecher <mk@chasey>
-+
-+ * Merged devel branch back to main trunk and updated the
-+ RELEASE notes. This will be 0-6-0-pre1.
-+
-+2005-03-31 Markus Klotzbuecher <mk@chasey>
-+
-+ * Fixed some bugs in rename_reg_file, that only showed up in
-+ the kernel compile test. Kernel compiles cleanly ontop of
-+ mini_fo, now also make mrproper etc. work. Seems pretty stable.
-+
-+2005-03-28 Markus Klotzbuecher <mk@chasey>
-+
-+ * Many, many directory renaming bugfixes and a lot of other
-+ cleanup. Dir renaming seems to work relatively stable.
-+
-+2005-03-22 Markus Klotzbuecher <mk@chasey>
-+
-+ * Finished implementing lightweight directory renaming. Some
-+ basic testing indicates it works fine.
-+ Next is to implement testcases for the testsuite and confirm
-+ everything is really working ok.
-+
-+2005-03-18 Markus Klotzbuecher <mk@chasey>
-+
-+ * Finished implementing meta.c stuff required for directory
-+ renaming.
-+
-+2005-03-17 Markus Klotzbuecher <mk@chasey>
-+
-+ * Fixed all compile warnings + an extremly old bug that
-+ somehow crept in while reworking the wol stuff to the META
-+ system. Turning on -Werror again... :-)
-+
-+ * Fixed some bugs in the new rename_reg_file function.
-+
-+ * Rewrote mini_fo rename and split it into several
-+ subfunctions, that handle the different types
-+ seperately. Rewrote the regular file function aswell, as it
-+ was implemented somewhat inefficient.
-+
-+2005-03-16 Markus Klotzbuecher <mk@chasey>
-+
-+ * Implemented new META subsystem, removed old WOL stuff in favor
-+ if it.
-+
-+ * After some basic testing everything seems ok...
-+
-+2005-03-11 Markus Klotzbuecher <mk@chasey>
-+
-+ * Renaming a non regular file caused trouble because I always
-+ tried to copy the contents. Now I only do this for regular
-+ files. mini_fo_rename still isn't implemented properly, renaming
-+ of device files, symlinks etc. results in a empty regular file
-+ instead of the proper type.
-+
-+ * Directory renaming suddenly works! What a surprise! I guess
-+ this is because renaming is implemented as making a copy and
-+ removing the original. Still this might not work
-+ everywhere...
-+
-+2005-03-09 Markus Klotzbuecher <mk@chasey>
-+
-+ * Bugfix, when a mini_fo directory that exists in storage
-+ (state: MODIFIED, CREATED and DEL_REWRITTEN) is deleted, a
-+ possibly existing WOL file contained in it needs to be
-+ deleted too.
-+
-+ * Starting cleanup: defined state names in order to get rid of
-+ the state numbers.
-+
-+2005-03-08 Markus Klotzbuecher <mk@chasey>
-+
-+ * Makefile fix, fist_ioctl was built against wrong sources if ARCH=um
-+
-+ * Fixed a bug in dentry.c, mini_fo_d_hash. In state 4 =
-+ DEL_REWRITTEN the hash was calculated from the base dentry,
-+ which was wrong and and caused assertions in
-+ __mini_fo_hidden_dentry to fail.
-+
-+2005-02-21 <mk@mary>
-+
-+ * Implemented directory deleting (inode.c)
-+
-+ * main.c: made mini_fo_parse_options a little more robust.
-+
-+2004-12-22 <mk@mary>
-+
-+ * Makefile cleanup and uml stuff, removed unneccessary files
-+
-+ * Created a new and hopefully more informative README
-+
-+ * CHANGELOG: created a new CHANGELOG and added old entries reversely
-+
-+
-+2004-10-24 Gleb Natapov <gleb@nbase.co.il>
-+
-+ * Fix: owner and group where not correctly copied from base to
-+ storage.
-+
-+
-+2004-10-05 Gleb Natapov <gleb@nbase.co.il>
-+
-+ * Implementation of fsync, fasync and lock mini_fo functions.
-+
-+
-+2004-09-29 Bob Lee <bob@pantasys.com>
-+
-+ * Fix of a serious pointer bug
-+
-+
-+2004-09-28 Gleb Natapov <gleb@nbase.co.il>
-+
-+ * Implementation of mini_fo_mknod and mini_fo_rename, support
-+ for device files.
-+
---- /dev/null
-+++ b/fs/mini_fo/dentry.c
-@@ -0,0 +1,244 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+/*
-+ * $Id$
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif
-+
-+#include "fist.h"
-+#include "mini_fo.h"
-+
-+/*
-+ * THIS IS A BOOLEAN FUNCTION: returns 1 if valid, 0 otherwise.
-+ */
-+STATIC int
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+mini_fo_d_revalidate(dentry_t *dentry, struct nameidata *nd)
-+#else
-+mini_fo_d_revalidate(dentry_t *dentry, int flags)
-+#endif
-+{
-+ int err1 = 1; /* valid = 1, invalid = 0 */
-+ int err2 = 1;
-+ dentry_t *hidden_dentry;
-+ dentry_t *hidden_sto_dentry;
-+
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ hidden_dentry = dtohd(dentry);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ if(hidden_dentry &&
-+ hidden_dentry->d_op &&
-+ hidden_dentry->d_op->d_revalidate) {
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ err1 = hidden_dentry->d_op->d_revalidate(hidden_dentry, nd);
-+#else
-+ err1 = hidden_dentry->d_op->d_revalidate(hidden_dentry, flags);
-+#endif
-+ }
-+ if(hidden_sto_dentry &&
-+ hidden_sto_dentry->d_op &&
-+ hidden_sto_dentry->d_op->d_revalidate) {
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ err2 = hidden_sto_dentry->d_op->d_revalidate(hidden_sto_dentry,
-+ nd);
-+#else
-+ err2 = hidden_sto_dentry->d_op->d_revalidate(hidden_sto_dentry,
-+ flags);
-+#endif
-+ }
-+
-+ /* mk: if one of the lower level dentries are valid,
-+ * the mini_fo dentry is too.
-+ */
-+ return (err1 || err2);
-+}
-+
-+
-+STATIC int
-+mini_fo_d_hash(dentry_t *dentry, qstr_t *name)
-+{
-+ int err = 0;
-+ dentry_t *hidden_dentry;
-+ dentry_t *hidden_sto_dentry;
-+
-+ /* hidden_dentry = mini_fo_hidden_dentry(dentry);
-+ * hidden_sto_dentry = mini_fo_hidden_sto_dentry(dentry); */
-+
-+ /* state 1, 3, 4, 5: build the hash for the storage dentry */
-+ if((dtopd(dentry)->state == MODIFIED) ||
-+ (dtopd(dentry)->state == CREATED) ||
-+ (dtopd(dentry)->state == DEL_REWRITTEN) ||
-+ (dtopd(dentry)->state == DELETED)) {
-+ hidden_sto_dentry = dtohd2(dentry);
-+ if(hidden_sto_dentry &&
-+ hidden_sto_dentry->d_op &&
-+ hidden_sto_dentry->d_op->d_hash) {
-+ err = hidden_sto_dentry->d_op->d_hash(hidden_sto_dentry, name);
-+ }
-+ goto out;
-+ }
-+ /* state 2: build the hash for the base dentry */
-+ if(dtopd(dentry)->state == UNMODIFIED) {
-+ hidden_dentry = dtohd(dentry);
-+ if(hidden_dentry &&
-+ hidden_dentry->d_op &&
-+ hidden_dentry->d_op->d_hash) {
-+ err = hidden_dentry->d_op->d_hash(hidden_dentry, name);
-+ }
-+ goto out;
-+ }
-+ /* state 6: build hash for the dentry that exists */
-+ if(dtopd(dentry)->state == NON_EXISTANT) {
-+ hidden_sto_dentry = dtohd2(dentry);
-+ if(hidden_sto_dentry &&
-+ hidden_sto_dentry->d_op &&
-+ hidden_sto_dentry->d_op->d_hash) {
-+ err = hidden_sto_dentry->d_op->d_hash(hidden_sto_dentry, name);
-+ goto out;
-+ }
-+ hidden_dentry = dtohd(dentry);
-+ if(hidden_dentry &&
-+ hidden_dentry->d_op &&
-+ hidden_dentry->d_op->d_hash) {
-+ err = hidden_dentry->d_op->d_hash(hidden_dentry, name);
-+ goto out;
-+ }
-+ }
-+
-+ printk(KERN_CRIT "mini_fo: d_hash: invalid state detected.\n");
-+
-+ out:
-+ return err;
-+}
-+
-+
-+STATIC int
-+mini_fo_d_compare(dentry_t *dentry, qstr_t *a, qstr_t *b)
-+{
-+ int err;
-+ dentry_t *hidden_dentry=NULL;
-+
-+ /* hidden_dentry = mini_fo_hidden_dentry(dentry); */
-+ if(dtohd2(dentry))
-+ hidden_dentry = dtohd2(dentry);
-+ else if(dtohd(dentry))
-+ hidden_dentry = dtohd(dentry);
-+
-+ if (hidden_dentry && hidden_dentry->d_op && hidden_dentry->d_op->d_compare) {
-+ err = hidden_dentry->d_op->d_compare(hidden_dentry, a, b);
-+ } else {
-+ err = ((a->len != b->len) || memcmp(a->name, b->name, b->len));
-+ }
-+
-+ return err;
-+}
-+
-+
-+int
-+mini_fo_d_delete(dentry_t *dentry)
-+{
-+ dentry_t *hidden_dentry;
-+ dentry_t *hidden_sto_dentry;
-+ int err = 0;
-+
-+ /* this could be a negative dentry, so check first */
-+ if (!dtopd(dentry)) {
-+ printk(KERN_CRIT "mini_fo_d_delete: negative dentry passed.\n");
-+ goto out;
-+ }
-+ hidden_dentry = dtohd(dentry);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ if(hidden_dentry) {
-+ if(hidden_dentry->d_op &&
-+ hidden_dentry->d_op->d_delete) {
-+ err = hidden_dentry->d_op->d_delete(hidden_dentry);
-+ }
-+ }
-+ if(hidden_sto_dentry) {
-+ if(hidden_sto_dentry->d_op &&
-+ hidden_sto_dentry->d_op->d_delete) {
-+ err = hidden_sto_dentry->d_op->d_delete(hidden_sto_dentry);
-+ }
-+ }
-+
-+ out:
-+ return err;
-+}
-+
-+
-+void
-+mini_fo_d_release(dentry_t *dentry)
-+{
-+ dentry_t *hidden_dentry;
-+ dentry_t *hidden_sto_dentry;
-+
-+
-+ /* this could be a negative dentry, so check first */
-+ if (!dtopd(dentry)) {
-+ printk(KERN_CRIT "mini_fo_d_release: no private data.\n");
-+ goto out;
-+ }
-+ hidden_dentry = dtohd(dentry);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ if(hidden_dentry) {
-+ /* decrement hidden dentry's counter and free its inode */
-+ dput(hidden_dentry);
-+ }
-+ if(hidden_sto_dentry) {
-+ /* decrement hidden dentry's counter and free its inode */
-+ dput(hidden_sto_dentry);
-+ }
-+
-+ /* free private data (mini_fo_dentry_info) here */
-+ kfree(dtopd(dentry));
-+ __dtopd(dentry) = NULL; /* just to be safe */
-+ out:
-+ return;
-+}
-+
-+
-+/*
-+ * we don't really need mini_fo_d_iput, because dentry_iput will call iput() if
-+ * mini_fo_d_iput is not defined. We left this implemented for ease of
-+ * tracing/debugging.
-+ */
-+void
-+mini_fo_d_iput(dentry_t *dentry, inode_t *inode)
-+{
-+ iput(inode);
-+}
-+
-+
-+struct dentry_operations mini_fo_dops = {
-+ d_revalidate: mini_fo_d_revalidate,
-+ d_hash: mini_fo_d_hash,
-+ d_compare: mini_fo_d_compare,
-+ d_release: mini_fo_d_release,
-+ d_delete: mini_fo_d_delete,
-+ d_iput: mini_fo_d_iput,
-+};
---- /dev/null
-+++ b/fs/mini_fo/file.c
-@@ -0,0 +1,713 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+/*
-+ * $Id$
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif
-+
-+#include "fist.h"
-+#include "mini_fo.h"
-+#define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1))
-+
-+/*******************
-+ * File Operations *
-+ *******************/
-+
-+STATIC loff_t
-+mini_fo_llseek(file_t *file, loff_t offset, int origin)
-+{
-+ loff_t err;
-+ file_t *hidden_file = NULL;
-+
-+ if(S_ISDIR(file->f_dentry->d_inode->i_mode)) {
-+ /* Check if trying to llseek from a directory */
-+ err = -EISDIR;
-+ goto out;
-+ }
-+ if (ftopd(file) != NULL) {
-+ if(ftohf2(file)) {
-+ hidden_file = ftohf2(file);
-+ } else {
-+ hidden_file = ftohf(file);
-+ }
-+ }
-+
-+ /* always set hidden position to this one */
-+ hidden_file->f_pos = file->f_pos;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ memcpy(&(hidden_file->f_ra),
-+ &(file->f_ra),
-+ sizeof(struct file_ra_state));
-+#else
-+ if (file->f_reada) { /* update readahead information if needed */
-+ hidden_file->f_reada = file->f_reada;
-+ hidden_file->f_ramax = file->f_ramax;
-+ hidden_file->f_raend = file->f_raend;
-+ hidden_file->f_ralen = file->f_ralen;
-+ hidden_file->f_rawin = file->f_rawin;
-+ }
-+#endif
-+ if (hidden_file->f_op && hidden_file->f_op->llseek)
-+ err = hidden_file->f_op->llseek(hidden_file, offset, origin);
-+ else
-+ err = generic_file_llseek(hidden_file, offset, origin);
-+
-+ if (err < 0)
-+ goto out;
-+
-+ if (err != file->f_pos) {
-+ file->f_pos = err;
-+ // ION maybe this?
-+ // file->f_pos = hidden_file->f_pos;
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ file->f_reada = 0;
-+#endif
-+ file->f_version++;
-+ }
-+
-+ out:
-+ return err;
-+}
-+
-+
-+/* mk: fanout capable */
-+STATIC ssize_t
-+mini_fo_read(file_t *file, char *buf, size_t count, loff_t *ppos)
-+{
-+ int err = -EINVAL;
-+ file_t *hidden_file = NULL;
-+ loff_t pos = *ppos;
-+
-+ if(S_ISDIR(file->f_dentry->d_inode->i_mode)) {
-+ /* Check if trying to read from a directory */
-+ /* printk(KERN_CRIT "mini_fo_read: ERROR: trying to read data from a directory.\n"); */
-+ err = -EISDIR;
-+ goto out;
-+ }
-+
-+ if (ftopd(file) != NULL) {
-+ if(ftohf2(file)) {
-+ hidden_file = ftohf2(file);
-+ } else {
-+ hidden_file = ftohf(file);
-+ }
-+ }
-+
-+ if (!hidden_file->f_op || !hidden_file->f_op->read)
-+ goto out;
-+
-+ err = hidden_file->f_op->read(hidden_file, buf, count, &pos);
-+ *ppos = pos;
-+
-+ if (err >= 0) {
-+ /* atime should also be updated for reads of size zero or more */
-+ fist_copy_attr_atime(file->f_dentry->d_inode,
-+ hidden_file->f_dentry->d_inode);
-+ }
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ /*
-+ * MAJOR HACK
-+ * because pread() does not have any way to tell us that it is
-+ * our caller, then we don't know for sure if we have to update
-+ * the file positions. This hack relies on read() having passed us
-+ * the "real" pointer of its struct file's f_pos field.
-+ */
-+ if (ppos == &file->f_pos)
-+ hidden_file->f_pos = *ppos = pos;
-+ if (hidden_file->f_reada) { /* update readahead information if needed */
-+ file->f_reada = hidden_file->f_reada;
-+ file->f_ramax = hidden_file->f_ramax;
-+ file->f_raend = hidden_file->f_raend;
-+ file->f_ralen = hidden_file->f_ralen;
-+ file->f_rawin = hidden_file->f_rawin;
-+ }
-+#else
-+ memcpy(&(file->f_ra),&(hidden_file->f_ra),sizeof(struct file_ra_state));
-+#endif
-+
-+ out:
-+ return err;
-+}
-+
-+
-+/* this mini_fo_write() does not modify data pages! */
-+STATIC ssize_t
-+mini_fo_write(file_t *file, const char *buf, size_t count, loff_t *ppos)
-+{
-+ int err = -EINVAL;
-+ file_t *hidden_file = NULL;
-+ inode_t *inode;
-+ inode_t *hidden_inode;
-+ loff_t pos = *ppos;
-+
-+ /* mk: fan out: */
-+ if (ftopd(file) != NULL) {
-+ if(ftohf2(file)) {
-+ hidden_file = ftohf2(file);
-+ } else {
-+ /* This is bad! We have no storage file to write to. This
-+ * should never happen because if a file is opened for
-+ * writing, a copy should have been made earlier.
-+ */
-+ printk(KERN_CRIT "mini_fo: write : ERROR, no storage file to write.\n");
-+ err = -EINVAL;
-+ goto out;
-+ }
-+ }
-+
-+ inode = file->f_dentry->d_inode;
-+ hidden_inode = itohi2(inode);
-+ if(!hidden_inode) {
-+ printk(KERN_CRIT "mini_fo: write: no sto inode found, not good.\n");
-+ goto out;
-+ }
-+
-+ if (!hidden_file->f_op || !hidden_file->f_op->write)
-+ goto out;
-+
-+ /* adjust for append -- seek to the end of the file */
-+ if (file->f_flags & O_APPEND)
-+ pos = inode->i_size;
-+
-+ err = hidden_file->f_op->write(hidden_file, buf, count, &pos);
-+
-+ /*
-+ * copy ctime and mtime from lower layer attributes
-+ * atime is unchanged for both layers
-+ */
-+ if (err >= 0)
-+ fist_copy_attr_times(inode, hidden_inode);
-+
-+ *ppos = pos;
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ /*
-+ * XXX: MAJOR HACK
-+ *
-+ * because pwrite() does not have any way to tell us that it is
-+ * our caller, then we don't know for sure if we have to update
-+ * the file positions. This hack relies on write() having passed us
-+ * the "real" pointer of its struct file's f_pos field.
-+ */
-+ if (ppos == &file->f_pos)
-+ hidden_file->f_pos = *ppos = pos;
-+#endif
-+ /* update this inode's size */
-+ if (pos > inode->i_size)
-+ inode->i_size = pos;
-+
-+ out:
-+ return err;
-+}
-+
-+/* Global variable to hold a file_t pointer.
-+ * This serves to allow mini_fo_filldir function to know which file is
-+ * beeing read, which is required for two reasons:
-+ *
-+ * - be able to call wol functions in order to avoid listing deleted
-+ * base files.
-+ * - if we're reading a directory which is in state 1, we need to
-+ * maintain a list (in mini_fo_filldir) of which files allready
-+ * have been copied to userspace,to detect files existing in base
-+ * and storage and not list them twice.
-+ */
-+filldir_t mini_fo_filldir_orig;
-+file_t *mini_fo_filldir_file;
-+
-+/* mainly copied from fs/readdir.c */
-+STATIC int
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+mini_fo_filldir(void * __buf, const char * name, int namlen, loff_t offset,
-+ u64 ino, unsigned int d_type)
-+#else
-+mini_fo_filldir(void * __buf, const char * name, int namlen, loff_t offset,
-+ ino_t ino, unsigned int d_type)
-+#endif
-+{
-+ struct getdents_callback * buf = (struct getdents_callback *) __buf;
-+ file_t* file = mini_fo_filldir_file;
-+
-+ /* In theses states we filter meta files in storage (WOL) */
-+ if(file && (dtopd(file->f_dentry)->state == MODIFIED ||
-+ dtopd(file->f_dentry)->state == CREATED ||
-+ dtopd(file->f_dentry)->state == DEL_REWRITTEN)) {
-+
-+ int tmp = strlen(META_FILENAME);
-+ if(tmp == namlen) {
-+ if(!strncmp(name, META_FILENAME, namlen))
-+ return 0;
-+ }
-+ }
-+
-+ /* check if we are merging the contents of storage and base */
-+ if(file && dtopd(file->f_dentry)->state == MODIFIED) {
-+ /* check if we are still reading storage contents, if
-+ * yes, we just save the name of the file for duplicate
-+ * checking later. */
-+
-+ if(!ftopd(file)->rd.sto_done) {
-+ /* put file into ndl list */
-+ if(ndl_add_entry(&ftopd(file)->rd, name, namlen))
-+ printk(KERN_CRIT "mini_fo_filldir: Error adding to ndl.\n");
-+ } else {
-+ /* check if file has been deleted */
-+ if(meta_check_d_entry(file->f_dentry, name, namlen))
-+ return 0;
-+
-+ /* do duplicate checking */
-+ if(ndl_check_entry(&ftopd(file)->rd, name, namlen))
-+ return 0;
-+ }
-+ }
-+
-+ return mini_fo_filldir_orig(buf, name, namlen, offset, ino, d_type);
-+}
-+
-+
-+STATIC int
-+mini_fo_readdir(file_t *file, void *dirent, filldir_t filldir)
-+{
-+ int err = 0;/* mk: ??? -ENOTDIR; */
-+ file_t *hidden_file = NULL;
-+ file_t *hidden_sto_file = NULL;
-+ inode_t *inode;
-+ struct getdents_callback *buf;
-+ int oldcount;
-+
-+#if defined(FIST_FILTER_NAME) || defined(FIST_FILTER_SCA)
-+ struct mini_fo_getdents_callback buf;
-+#endif /* FIST_FILTER_NAME || FIST_FILTER_SCA */
-+
-+ buf = (struct getdents_callback *) dirent;
-+ oldcount = buf->count;
-+ inode = file->f_dentry->d_inode;
-+ mini_fo_filldir_file = file;
-+ mini_fo_filldir_orig = filldir;
-+
-+ ftopd(file)->rd.sto_done = 0;
-+ do {
-+ if (ftopd(file) != NULL) {
-+ if(ftohf2(file)) {
-+ hidden_sto_file = ftohf2(file);
-+ err = vfs_readdir(hidden_sto_file, mini_fo_filldir, dirent);
-+ file->f_pos = hidden_sto_file->f_pos;
-+ if (err > 0)
-+ fist_copy_attr_atime(inode, hidden_sto_file->f_dentry->d_inode);
-+ /* not finshed yet, we'll be called again */
-+ if (buf->count != oldcount)
-+ break;
-+ }
-+
-+ ftopd(file)->rd.sto_done = 1;
-+
-+ if(ftohf(file)) {
-+ hidden_file = ftohf(file);
-+ err = vfs_readdir(hidden_file, mini_fo_filldir, dirent);
-+ file->f_pos = hidden_file->f_pos;
-+ if (err > 0)
-+ fist_copy_attr_atime(inode, hidden_file->f_dentry->d_inode);
-+ }
-+
-+ }
-+ } while (0);
-+
-+ /* mk:
-+ * we need to check if all the directory data has been copied to userspace,
-+ * or if we will be called again by userspace to complete the operation.
-+ */
-+ if(buf->count == oldcount) {
-+ ndl_put_list(&ftopd(file)->rd);
-+ }
-+
-+ /* unset this, safe */
-+ mini_fo_filldir_file = NULL;
-+ return err;
-+}
-+
-+
-+STATIC unsigned int
-+mini_fo_poll(file_t *file, poll_table *wait)
-+{
-+ unsigned int mask = DEFAULT_POLLMASK;
-+ file_t *hidden_file = NULL;
-+
-+ if (ftopd(file) != NULL) {
-+ if(ftohf2(file)) {
-+ hidden_file = ftohf2(file);
-+ } else {
-+ hidden_file = ftohf(file);
-+ }
-+ }
-+
-+ if (!hidden_file->f_op || !hidden_file->f_op->poll)
-+ goto out;
-+
-+ mask = hidden_file->f_op->poll(hidden_file, wait);
-+
-+ out:
-+ return mask;
-+}
-+
-+/* FIST-LITE special version of mmap */
-+STATIC int
-+mini_fo_mmap(file_t *file, vm_area_t *vma)
-+{
-+ int err = 0;
-+ file_t *hidden_file = NULL;
-+
-+ /* fanout capability */
-+ if (ftopd(file) != NULL) {
-+ if(ftohf2(file)) {
-+ hidden_file = ftohf2(file);
-+ } else {
-+ hidden_file = ftohf(file);
-+ }
-+ }
-+
-+ ASSERT(hidden_file != NULL);
-+ ASSERT(hidden_file->f_op != NULL);
-+ ASSERT(hidden_file->f_op->mmap != NULL);
-+
-+ vma->vm_file = hidden_file;
-+ err = hidden_file->f_op->mmap(hidden_file, vma);
-+ get_file(hidden_file); /* make sure it doesn't get freed on us */
-+ fput(file); /* no need to keep extra ref on ours */
-+
-+ return err;
-+}
-+
-+
-+
-+STATIC int
-+mini_fo_open(inode_t *inode, file_t *file)
-+{
-+ int err = 0;
-+ int hidden_flags;
-+ file_t *hidden_file = NULL;
-+ dentry_t *hidden_dentry = NULL;
-+
-+ /* fanout stuff */
-+ file_t *hidden_sto_file = NULL;
-+ dentry_t *hidden_sto_dentry = NULL;
-+
-+ __ftopd(file) =
-+ kmalloc(sizeof(struct mini_fo_file_info), GFP_KERNEL);
-+ if (!ftopd(file)) {
-+ err = -ENOMEM;
-+ goto out;
-+ }
-+
-+ /* init the readdir_helper structure */
-+ INIT_LIST_HEAD(&ftopd(file)->rd.ndl_list);
-+ ftopd(file)->rd.ndl_size = 0;
-+
-+ /* In certain paths this could stay uninitalized and cause trouble */
-+ ftohf(file) = NULL;
-+ ftohf2(file) = NULL;
-+ hidden_flags = file->f_flags;
-+
-+ /* create storage files? */
-+ if(dtost(file->f_dentry) == UNMODIFIED) {
-+ if(!IS_WRITE_FLAG(file->f_flags)) {
-+ hidden_dentry = dtohd(file->f_dentry);
-+ dget(hidden_dentry);
-+ /* dentry_open will decrement mnt refcnt if err.
-+ * otherwise fput() will do an mntput() for us upon file close. */
-+ mntget(stopd(inode->i_sb)->hidden_mnt);
-+ hidden_file = dentry_open(hidden_dentry,
-+ stopd(inode->i_sb)->hidden_mnt,
-+ hidden_flags);
-+ if (IS_ERR(hidden_file)) {
-+ err = PTR_ERR(hidden_file);
-+ dput(hidden_dentry);
-+ goto out;
-+ }
-+ ftohf(file) = hidden_file; /* link two files */
-+ goto out;
-+ }
-+ else {
-+ if(S_ISDIR(file->f_dentry->d_inode->i_mode)) {
-+ err = dir_unmod_to_mod(file->f_dentry);
-+ } else
-+ err = nondir_unmod_to_mod(file->f_dentry, 1);
-+
-+ if (err) {
-+ printk("mini_fo_open: ERROR creating storage file.\n");
-+ goto out;
-+ }
-+ }
-+ }
-+ hidden_sto_dentry = dtohd2(file->f_dentry);
-+ dget(hidden_sto_dentry);
-+
-+ if(dtopd(file->f_dentry)->state == MODIFIED) {
-+ /* Directorys are special, interpose on both lower level files */
-+ if(S_ISDIR(itohi(inode)->i_mode)) {
-+ /* check for invalid file types of lower level files */
-+ if(!(S_ISDIR(itohi(inode)->i_mode) && S_ISDIR(itohi2(inode)->i_mode))) {
-+ printk(KERN_CRIT "mini_fo_open: meta data corruption detected.\n");
-+ dput(hidden_sto_dentry);
-+ err = -EINVAL;
-+ goto out;
-+ }
-+
-+ /* lower level directorys are ok, open the base file */
-+ hidden_dentry = dtohd(file->f_dentry);
-+ dget(hidden_dentry);
-+
-+ mntget(stopd(inode->i_sb)->hidden_mnt);
-+ hidden_file = dentry_open(hidden_dentry,
-+ stopd(inode->i_sb)->hidden_mnt,
-+ hidden_flags);
-+ if (IS_ERR(hidden_file)) {
-+ err = PTR_ERR(hidden_file);
-+ dput(hidden_dentry);
-+ dput(hidden_sto_dentry);
-+ goto out;
-+ }
-+ ftohf(file) = hidden_file; /* link the two files */
-+ }
-+ }
-+
-+ if(!exists_in_storage(file->f_dentry)) {
-+ printk(KERN_CRIT "mini_fo_open: invalid file state detected.\n");
-+ err = -EINVAL;
-+ dput(hidden_sto_dentry);
-+
-+ /* If the base file has been opened, we need to close it here */
-+ if(ftohf(file)) {
-+ if (hidden_file->f_op && hidden_file->f_op->flush)
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ hidden_file->f_op->flush(hidden_file, NULL);
-+#else
-+ hidden_file->f_op->flush(hidden_file);
-+#endif
-+ dput(hidden_dentry);
-+ }
-+ goto out;
-+ }
-+
-+ /* ok, now we can safely open the storage file */
-+ mntget(stopd(inode->i_sb)->hidden_mnt2);
-+ hidden_sto_file = dentry_open(hidden_sto_dentry,
-+ stopd(inode->i_sb)->hidden_mnt2,
-+ hidden_flags);
-+
-+ /* dentry_open dputs the dentry if it fails */
-+ if (IS_ERR(hidden_sto_file)) {
-+ err = PTR_ERR(hidden_sto_file);
-+ /* close base file if open */
-+ if(ftohf(file)) {
-+ if (hidden_file->f_op && hidden_file->f_op->flush)
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ hidden_file->f_op->flush(hidden_file, NULL);
-+#else
-+ hidden_file->f_op->flush(hidden_file);
-+#endif
-+ dput(hidden_dentry);
-+ }
-+ goto out;
-+ }
-+ ftohf2(file) = hidden_sto_file; /* link storage file */
-+
-+ out:
-+ if (err < 0 && ftopd(file)) {
-+ kfree(ftopd(file));
-+ }
-+ return err;
-+}
-+
-+STATIC int
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+mini_fo_flush(file_t *file, fl_owner_t id)
-+#else
-+mini_fo_flush(file_t *file)
-+#endif
-+{
-+ int err1 = 0; /* assume ok (see open.c:close_fp) */
-+ int err2 = 0;
-+ file_t *hidden_file = NULL;
-+
-+ check_mini_fo_file(file);
-+
-+ /* mk: we don't do any state checking here, as its not worth the time.
-+ * Just flush the lower level files if they exist.
-+ */
-+ if(ftopd(file) != NULL) {
-+ if(ftohf(file) != NULL) {
-+ hidden_file = ftohf(file);
-+ if (hidden_file->f_op && hidden_file->f_op->flush)
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ err1 = hidden_file->f_op->flush(hidden_file, id);
-+#else
-+ err1 = hidden_file->f_op->flush(hidden_file);
-+#endif
-+ }
-+ if(ftohf2(file) != NULL) {
-+ hidden_file = ftohf2(file);
-+ if (hidden_file->f_op && hidden_file->f_op->flush)
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ err2 = hidden_file->f_op->flush(hidden_file, id);
-+#else
-+ err2 = hidden_file->f_op->flush(hidden_file);
-+#endif
-+ }
-+ }
-+ return (err1 | err2);
-+}
-+
-+
-+STATIC int
-+mini_fo_release(inode_t *inode, file_t *file)
-+{
-+ int err = 0;
-+ file_t *hidden_file = NULL;
-+
-+ if (ftopd(file) != NULL) {
-+ if(ftohf(file)) {
-+ hidden_file = ftohf(file);
-+ fput(hidden_file);
-+ }
-+ if(ftohf2(file)) {
-+ hidden_file = ftohf2(file);
-+ fput(hidden_file);
-+ }
-+ kfree(ftopd(file));
-+ }
-+ return err;
-+}
-+
-+STATIC int
-+mini_fo_fsync(file_t *file, dentry_t *dentry, int datasync)
-+{
-+ int err1 = 0;
-+ int err2 = 0;
-+ file_t *hidden_file = NULL;
-+ dentry_t *hidden_dentry;
-+
-+ check_mini_fo_file(file);
-+
-+ if ((hidden_file = ftohf(file)) != NULL) {
-+ hidden_dentry = dtohd(dentry);
-+ if (hidden_file->f_op && hidden_file->f_op->fsync) {
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ err1 = hidden_file->f_op->fsync(hidden_file, hidden_dentry, datasync);
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ }
-+ }
-+
-+ if ((hidden_file = ftohf2(file)) != NULL) {
-+ hidden_dentry = dtohd2(dentry);
-+ if (hidden_file->f_op && hidden_file->f_op->fsync) {
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ err2 = hidden_file->f_op->fsync(hidden_file, hidden_dentry, datasync);
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ }
-+ }
-+ else
-+ goto err;
-+
-+err:
-+ return (err1 || err2);
-+}
-+
-+
-+STATIC int
-+mini_fo_fasync(int fd, file_t *file, int flag)
-+{
-+ int err1 = 0;
-+ int err2 = 0;
-+
-+ file_t *hidden_file = NULL;
-+
-+ check_mini_fo_file(file);
-+
-+ if((hidden_file = ftohf(file)) != NULL) {
-+ err1 = hidden_file->f_op->fasync(fd, hidden_file, flag);
-+ }
-+ if((hidden_file = ftohf2(file)) != NULL) {
-+ err2 = hidden_file->f_op->fasync(fd, hidden_file, flag);
-+ }
-+
-+ return (err1 || err2);
-+}
-+
-+
-+
-+struct file_operations mini_fo_dir_fops =
-+ {
-+ read: generic_read_dir,
-+ write: mini_fo_write,
-+ readdir: mini_fo_readdir,
-+ poll: mini_fo_poll,
-+ /* ioctl: mini_fo_ioctl, */
-+ mmap: mini_fo_mmap,
-+ open: mini_fo_open,
-+ flush: mini_fo_flush,
-+ release: mini_fo_release,
-+ fsync: mini_fo_fsync,
-+ fasync: mini_fo_fasync,
-+ /* not needed lock: mini_fo_lock, */
-+ /* not needed: readv */
-+ /* not needed: writev */
-+ /* not implemented: sendpage */
-+ /* not implemented: get_unmapped_area */
-+ };
-+
-+struct file_operations mini_fo_main_fops =
-+ {
-+ llseek: mini_fo_llseek,
-+ read: mini_fo_read,
-+ write: mini_fo_write,
-+ readdir: mini_fo_readdir,
-+ poll: mini_fo_poll,
-+ /* ioctl: mini_fo_ioctl, */
-+ mmap: mini_fo_mmap,
-+ open: mini_fo_open,
-+ flush: mini_fo_flush,
-+ release: mini_fo_release,
-+ fsync: mini_fo_fsync,
-+ fasync: mini_fo_fasync,
-+ /* not needed: lock: mini_fo_lock, */
-+ /* not needed: readv */
-+ /* not needed: writev */
-+ /* not implemented: sendpage */
-+ /* not implemented: get_unmapped_area */
-+ };
---- /dev/null
-+++ b/fs/mini_fo/fist.h
-@@ -0,0 +1,252 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+
-+/*
-+ * $Id$
-+ */
-+
-+#ifndef __FIST_H_
-+#define __FIST_H_
-+
-+/*
-+ * KERNEL ONLY CODE:
-+ */
-+#ifdef __KERNEL__
-+#include <linux/version.h>
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
-+#include <linux/autoconf.h>
-+#else
-+#include <linux/config.h>
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#ifdef CONFIG_MODVERSIONS
-+# define MODVERSIONS
-+# include <linux/modversions.h>
-+#endif /* CONFIG_MODVERSIONS */
-+#endif /* KERNEL_VERSION < 2.6.0 */
-+#include <linux/sched.h>
-+#include <linux/kernel.h>
-+#include <linux/mm.h>
-+#include <linux/string.h>
-+#include <linux/stat.h>
-+#include <linux/errno.h>
-+#include <linux/wait.h>
-+#include <linux/limits.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#include <linux/locks.h>
-+#else
-+#include <linux/buffer_head.h>
-+#include <linux/pagemap.h>
-+#include <linux/namei.h>
-+#include <linux/module.h>
-+#include <linux/mount.h>
-+#include <linux/page-flags.h>
-+#include <linux/writeback.h>
-+#include <linux/statfs.h>
-+#endif
-+#include <linux/smp.h>
-+#include <linux/smp_lock.h>
-+#include <linux/file.h>
-+#include <linux/slab.h>
-+#include <linux/vmalloc.h>
-+#include <linux/poll.h>
-+#include <linux/list.h>
-+#include <linux/init.h>
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20)
-+#include <linux/xattr.h>
-+#endif
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+#include <linux/security.h>
-+#endif
-+
-+#include <linux/swap.h>
-+
-+#include <asm/system.h>
-+/* #include <asm/segment.h> */
-+#include <asm/mman.h>
-+#include <linux/seq_file.h>
-+
-+/*
-+ * MACROS:
-+ */
-+
-+/* those mapped to ATTR_* were copied from linux/fs.h */
-+#define FA_MODE ATTR_MODE
-+#define FA_UID ATTR_UID
-+#define FA_GID ATTR_GID
-+#define FA_SIZE ATTR_SIZE
-+#define FA_ATIME ATTR_ATIME
-+#define FA_MTIME ATTR_MTIME
-+#define FA_CTIME ATTR_CTIME
-+#define FA_ATIME_SET ATTR_ATIME_SET
-+#define FA_MTIME_SET ATTR_MTIME_SET
-+#define FA_FORCE ATTR_FORCE
-+#define FA_ATTR_FLAGS ATTR_ATTR_FLAG
-+
-+/* must be greater than all other ATTR_* flags! */
-+#define FA_NLINK 2048
-+#define FA_BLKSIZE 4096
-+#define FA_BLOCKS 8192
-+#define FA_TIMES (FA_ATIME|FA_MTIME|FA_CTIME)
-+#define FA_ALL 0
-+
-+/* macros to manage changes between kernels */
-+#define INODE_DATA(i) (&(i)->i_data)
-+
-+#define MIN(x,y) ((x < y) ? (x) : (y))
-+#define MAX(x,y) ((x > y) ? (x) : (y))
-+#define MAXPATHLEN PATH_MAX
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,5)
-+# define lookup_one_len(a,b,c) lookup_one(a,b)
-+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,4,5) */
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,8)
-+# define generic_file_llseek default_llseek
-+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,4,8) */
-+
-+#ifndef SEEK_SET
-+# define SEEK_SET 0
-+#endif /* not SEEK_SET */
-+
-+#ifndef SEEK_CUR
-+# define SEEK_CUR 1
-+#endif /* not SEEK_CUR */
-+
-+#ifndef SEEK_END
-+# define SEEK_END 2
-+#endif /* not SEEK_END */
-+
-+#ifndef DEFAULT_POLLMASK
-+# define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
-+#endif /* not DEFAULT_POLLMASK */
-+
-+/* XXX: fix this so fistgen generates kfree() code directly */
-+#define kfree_s(a,b) kfree(a)
-+
-+/*
-+ * TYPEDEFS:
-+ */
-+typedef struct dentry dentry_t;
-+typedef struct file file_t;
-+typedef struct inode inode_t;
-+typedef inode_t vnode_t;
-+typedef struct page page_t;
-+typedef struct qstr qstr_t;
-+typedef struct super_block super_block_t;
-+typedef super_block_t vfs_t;
-+typedef struct vm_area_struct vm_area_t;
-+
-+
-+/*
-+ * EXTERNALS:
-+ */
-+
-+#define FPPF(str,page) printk("PPF %s 0x%x/%d: Lck:%d Err:%d Ref:%d Upd:%d Other::%d:%d:%d:%d:\n", \
-+ str, \
-+ (int) page, \
-+ (int) page->index, \
-+ (PageLocked(page) ? 1 : 0), \
-+ (PageError(page) ? 1 : 0), \
-+ (PageReferenced(page) ? 1 : 0), \
-+ (Page_Uptodate(page) ? 1 : 0), \
-+ (PageDecrAfter(page) ? 1 : 0), \
-+ (PageSlab(page) ? 1 : 0), \
-+ (PageSwapCache(page) ? 1 : 0), \
-+ (PageReserved(page) ? 1 : 0) \
-+ )
-+#define EZKDBG printk("EZK %s:%d:%s\n",__FILE__,__LINE__,__FUNCTION__)
-+#if 0
-+# define EZKDBG1 printk("EZK %s:%d\n",__FILE__,__LINE__)
-+#else
-+# define EZKDBG1
-+#endif
-+
-+extern int fist_get_debug_value(void);
-+extern int fist_set_debug_value(int val);
-+#if 0 /* mini_fo doesn't need these */
-+extern void fist_dprint_internal(int level, char *str,...);
-+extern void fist_print_dentry(char *str, const dentry_t *dentry);
-+extern void fist_print_inode(char *str, const inode_t *inode);
-+extern void fist_print_file(char *str, const file_t *file);
-+extern void fist_print_buffer_flags(char *str, struct buffer_head *buffer);
-+extern void fist_print_page_flags(char *str, page_t *page);
-+extern void fist_print_page_bytes(char *str, page_t *page);
-+extern void fist_print_pte_flags(char *str, const page_t *page);
-+extern void fist_checkinode(inode_t *inode, char *msg);
-+extern void fist_print_sb(char *str, const super_block_t *sb);
-+
-+/* §$% by mk: special debug functions */
-+extern void fist_mk_print_dentry(char *str, const dentry_t *dentry);
-+extern void fist_mk_print_inode(char *str, const inode_t *inode);
-+
-+extern char *add_indent(void);
-+extern char *del_indent(void);
-+#endif/* mini_fo doesn't need these */
-+
-+
-+#define STATIC
-+#define ASSERT(EX) \
-+do { \
-+ if (!(EX)) { \
-+ printk(KERN_CRIT "ASSERTION FAILED: %s at %s:%d (%s)\n", #EX, \
-+ __FILE__, __LINE__, __FUNCTION__); \
-+ (*((char *)0))=0; \
-+ } \
-+} while (0)
-+/* same ASSERT, but tell me who was the caller of the function */
-+#define ASSERT2(EX) \
-+do { \
-+ if (!(EX)) { \
-+ printk(KERN_CRIT "ASSERTION FAILED (caller): %s at %s:%d (%s)\n", #EX, \
-+ file, line, func); \
-+ (*((char *)0))=0; \
-+ } \
-+} while (0)
-+
-+#if 0 /* mini_fo doesn't need these */
-+#define dprintk(format, args...) printk(KERN_DEBUG format, ##args)
-+#define fist_dprint(level, str, args...) fist_dprint_internal(level, KERN_DEBUG str, ## args)
-+#define print_entry_location() fist_dprint(4, "%sIN: %s %s:%d\n", add_indent(), __FUNCTION__, __FILE__, __LINE__)
-+#define print_exit_location() fist_dprint(4, "%s OUT: %s %s:%d\n", del_indent(), __FUNCTION__, __FILE__, __LINE__)
-+#define print_exit_status(status) fist_dprint(4, "%s OUT: %s %s:%d, STATUS: %d\n", del_indent(), __FUNCTION__, __FILE__, __LINE__, status)
-+#define print_exit_pointer(status) \
-+do { \
-+ if (IS_ERR(status)) \
-+ fist_dprint(4, "%s OUT: %s %s:%d, RESULT: %ld\n", del_indent(), __FUNCTION__, __FILE__, __LINE__, PTR_ERR(status)); \
-+ else \
-+ fist_dprint(4, "%s OUT: %s %s:%d, RESULT: 0x%x\n", del_indent(), __FUNCTION__, __FILE__, __LINE__, PTR_ERR(status)); \
-+} while (0)
-+#endif/* mini_fo doesn't need these */
-+
-+#endif /* __KERNEL__ */
-+
-+
-+/*
-+ * DEFINITIONS FOR USER AND KERNEL CODE:
-+ * (Note: ioctl numbers 1--9 are reserved for fistgen, the rest
-+ * are auto-generated automatically based on the user's .fist file.)
-+ */
-+# define FIST_IOCTL_GET_DEBUG_VALUE _IOR(0x15, 1, int)
-+# define FIST_IOCTL_SET_DEBUG_VALUE _IOW(0x15, 2, int)
-+
-+#endif /* not __FIST_H_ */
---- /dev/null
-+++ b/fs/mini_fo/inode.c
-@@ -0,0 +1,1564 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+/*
-+ * $Id$
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif
-+
-+#include "fist.h"
-+#include "mini_fo.h"
-+
-+STATIC int
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+mini_fo_create(inode_t *dir, dentry_t *dentry, int mode, struct nameidata *nd)
-+#else
-+mini_fo_create(inode_t *dir, dentry_t *dentry, int mode)
-+#endif
-+{
-+ int err = 0;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ err = create_sto_reg_file(dentry, mode, nd);
-+#else
-+ err = create_sto_reg_file(dentry, mode);
-+#endif
-+ check_mini_fo_dentry(dentry);
-+ return err;
-+}
-+
-+
-+STATIC dentry_t *
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+mini_fo_lookup(inode_t *dir, dentry_t *dentry, struct nameidata* nd)
-+#else
-+mini_fo_lookup(inode_t *dir, dentry_t *dentry)
-+#endif
-+{
-+ int err = 0;
-+ dentry_t *hidden_dir_dentry;
-+ dentry_t *hidden_dentry = NULL;
-+
-+ dentry_t *hidden_sto_dir_dentry;
-+ dentry_t *hidden_sto_dentry = NULL;
-+
-+ /* whiteout flag */
-+ int del_flag = 0;
-+ char *bpath = NULL;
-+
-+ const char *name;
-+ unsigned int namelen;
-+
-+ /* Don't allow lookups of META-files */
-+ namelen = strlen(META_FILENAME);
-+ if(namelen == dentry->d_name.len) {
-+ if(!strncmp(dentry->d_name.name, META_FILENAME, namelen)) {
-+ err = -ENOENT;
-+ goto out;
-+ }
-+ }
-+
-+ hidden_dir_dentry = dtohd(dentry->d_parent);
-+ hidden_sto_dir_dentry = dtohd2(dentry->d_parent);
-+
-+ name = dentry->d_name.name;
-+ namelen = dentry->d_name.len;
-+
-+ /* must initialize dentry operations */
-+ dentry->d_op = &mini_fo_dops;
-+
-+ /* setup the del_flag */
-+ del_flag = __meta_check_d_entry(dir, name, namelen);
-+ bpath = __meta_check_r_entry(dir, name, namelen);
-+
-+ /* perform the lookups of base and storage files:
-+ *
-+ * This caused some serious trouble, as a lookup_one_len passing
-+ * a negative dentry oopses. Solution is to only do the lookup
-+ * if the dentry is positive, else we set it to NULL
-+ * More trouble, who said a *_dir_dentry can't be NULL?
-+ */
-+ if(bpath) {
-+ /* Cross-Interposing (C), yeah! */
-+ hidden_dentry = bpath_walk(dir->i_sb, bpath);
-+ if(!hidden_dentry || !hidden_dentry->d_inode) {
-+ printk(KERN_CRIT "mini_fo_lookup: bpath_walk failed.\n");
-+ err= -EINVAL;
-+ goto out;
-+ }
-+
-+ /* this can be set up safely without fear of spaghetti
-+ * interposing as it is only used for copying times */
-+ hidden_dir_dentry = hidden_dentry->d_parent;
-+ kfree(bpath);
-+ }
-+ else if(hidden_dir_dentry && hidden_dir_dentry->d_inode)
-+ hidden_dentry =
-+ lookup_one_len(name, hidden_dir_dentry, namelen);
-+ else
-+ hidden_dentry = NULL;
-+
-+ if(hidden_sto_dir_dentry && hidden_sto_dir_dentry->d_inode)
-+ hidden_sto_dentry =
-+ lookup_one_len(name, hidden_sto_dir_dentry, namelen);
-+ else
-+ hidden_sto_dentry = NULL;
-+
-+ /* catch error in lookup */
-+ if (IS_ERR(hidden_dentry) || IS_ERR(hidden_sto_dentry)) {
-+ /* mk: we need to call dput on the dentry, whose
-+ * lookup_one_len operation failed, in order to avoid
-+ * unmount trouble.
-+ */
-+ if(IS_ERR(hidden_dentry)) {
-+ printk(KERN_CRIT "mini_fo_lookup: ERR from base dentry, lookup failed.\n");
-+ err = PTR_ERR(hidden_dentry);
-+ } else {
-+ dput(hidden_dentry);
-+ }
-+ if(IS_ERR(hidden_sto_dentry)) {
-+ printk(KERN_CRIT "mini_fo_lookup: ERR from storage dentry, lookup failed.\n");
-+ err = PTR_ERR(hidden_sto_dentry);
-+ } else {
-+ dput(hidden_sto_dentry);
-+ }
-+ goto out;
-+ }
-+
-+ /* allocate dentry private data */
-+ __dtopd(dentry) = (struct mini_fo_dentry_info *)
-+ kmalloc(sizeof(struct mini_fo_dentry_info), GFP_KERNEL);
-+
-+ if (!dtopd(dentry)) {
-+ err = -ENOMEM;
-+ goto out_dput;
-+ }
-+
-+ /* check for different states of the mini_fo file to be looked up. */
-+
-+ /* state 1, file has been modified */
-+ if(hidden_dentry && hidden_sto_dentry &&
-+ hidden_dentry->d_inode && hidden_sto_dentry->d_inode && !del_flag) {
-+
-+ /* update parent directory's atime */
-+ fist_copy_attr_atime(dir, hidden_sto_dir_dentry->d_inode);
-+
-+ dtopd(dentry)->state = MODIFIED;
-+ dtohd(dentry) = hidden_dentry;
-+ dtohd2(dentry) = hidden_sto_dentry;
-+
-+ err = mini_fo_tri_interpose(hidden_dentry,
-+ hidden_sto_dentry,
-+ dentry, dir->i_sb, 1);
-+ if (err) {
-+ printk(KERN_CRIT "mini_fo_lookup: error interposing (state1).\n");
-+ goto out_free;
-+ }
-+ goto out;
-+ }
-+ /* state 2, file is unmodified */
-+ if(hidden_dentry && hidden_dentry->d_inode && !del_flag) {
-+
-+ fist_copy_attr_atime(dir, hidden_dir_dentry->d_inode);
-+
-+ dtopd(dentry)->state = UNMODIFIED;
-+ dtohd(dentry) = hidden_dentry;
-+ dtohd2(dentry) = hidden_sto_dentry; /* could be negative */
-+
-+ err = mini_fo_tri_interpose(hidden_dentry,
-+ hidden_sto_dentry,
-+ dentry, dir->i_sb, 1);
-+ if (err) {
-+ printk(KERN_CRIT "mini_fo_lookup: error interposing (state2).\n");
-+ goto out_free;
-+ }
-+ goto out;
-+ }
-+ /* state 3, file has been newly created */
-+ if(hidden_sto_dentry && hidden_sto_dentry->d_inode && !del_flag) {
-+
-+ fist_copy_attr_atime(dir, hidden_sto_dir_dentry->d_inode);
-+ dtopd(dentry)->state = CREATED;
-+ dtohd(dentry) = hidden_dentry; /* could be negative */
-+ dtohd2(dentry) = hidden_sto_dentry;
-+
-+ err = mini_fo_tri_interpose(hidden_dentry,
-+ hidden_sto_dentry,
-+ dentry, dir->i_sb, 1);
-+ if (err) {
-+ printk(KERN_CRIT "mini_fo_lookup: error interposing (state3).\n");
-+ goto out_free;
-+ }
-+ goto out;
-+ }
-+
-+ /* state 4, file has deleted and created again. */
-+ if(hidden_dentry && hidden_sto_dentry &&
-+ hidden_dentry->d_inode &&
-+ hidden_sto_dentry->d_inode && del_flag) {
-+
-+ fist_copy_attr_atime(dir, hidden_sto_dir_dentry->d_inode);
-+ dtopd(dentry)->state = DEL_REWRITTEN;
-+ dtohd(dentry) = NULL;
-+ dtohd2(dentry) = hidden_sto_dentry;
-+
-+ err = mini_fo_tri_interpose(NULL,
-+ hidden_sto_dentry,
-+ dentry, dir->i_sb, 1);
-+ if (err) {
-+ printk(KERN_CRIT "mini_fo_lookup: error interposing (state4).\n");
-+ goto out_free;
-+ }
-+ /* We will never need this dentry again, as the file has been
-+ * deleted from base */
-+ dput(hidden_dentry);
-+ goto out;
-+ }
-+ /* state 5, file has been deleted in base */
-+ if(hidden_dentry && hidden_sto_dentry &&
-+ hidden_dentry->d_inode &&
-+ !hidden_sto_dentry->d_inode && del_flag) {
-+
-+ /* check which parents atime we need for updating */
-+ if(hidden_sto_dir_dentry->d_inode)
-+ fist_copy_attr_atime(dir,
-+ hidden_sto_dir_dentry->d_inode);
-+ else
-+ fist_copy_attr_atime(dir,
-+ hidden_dir_dentry->d_inode);
-+
-+ dtopd(dentry)->state = DELETED;
-+ dtohd(dentry) = NULL;
-+ dtohd2(dentry) = hidden_sto_dentry;
-+
-+ /* add negative dentry to dcache to speed up lookups */
-+ d_add(dentry, NULL);
-+ dput(hidden_dentry);
-+ goto out;
-+ }
-+ /* state 6, file does not exist */
-+ if(((hidden_dentry && !hidden_dentry->d_inode) ||
-+ (hidden_sto_dentry && !hidden_sto_dentry->d_inode)) && !del_flag)
-+ {
-+ /* check which parents atime we need for updating */
-+ if(hidden_sto_dir_dentry && hidden_sto_dir_dentry->d_inode)
-+ fist_copy_attr_atime(dir, hidden_sto_dir_dentry->d_inode);
-+ else
-+ fist_copy_attr_atime(dir, hidden_dir_dentry->d_inode);
-+
-+ dtopd(dentry)->state = NON_EXISTANT;
-+ dtohd(dentry) = hidden_dentry;
-+ dtohd2(dentry) = hidden_sto_dentry;
-+ d_add(dentry, NULL);
-+ goto out;
-+ }
-+
-+ /* if we get to here, were in an invalid state. bad. */
-+ printk(KERN_CRIT "mini_fo_lookup: ERROR, meta data corruption detected.\n");
-+
-+ /* end state checking */
-+ out_free:
-+ d_drop(dentry); /* so that our bad dentry will get destroyed */
-+ kfree(dtopd(dentry));
-+ __dtopd(dentry) = NULL; /* be safe */
-+
-+ out_dput:
-+ if(hidden_dentry)
-+ dput(hidden_dentry);
-+ if(hidden_sto_dentry)
-+ dput(hidden_sto_dentry); /* drops usage count and marks for release */
-+
-+ out:
-+ /* initalize wol if file exists and is directory */
-+ if(dentry->d_inode) {
-+ if(S_ISDIR(dentry->d_inode->i_mode)) {
-+ itopd(dentry->d_inode)->deleted_list_size = -1;
-+ itopd(dentry->d_inode)->renamed_list_size = -1;
-+ meta_build_lists(dentry);
-+ }
-+ }
-+ return ERR_PTR(err);
-+}
-+
-+
-+STATIC int
-+mini_fo_link(dentry_t *old_dentry, inode_t *dir, dentry_t *new_dentry)
-+{
-+ int err;
-+ dentry_t *hidden_old_dentry;
-+ dentry_t *hidden_new_dentry;
-+ dentry_t *hidden_dir_dentry;
-+
-+
-+ check_mini_fo_dentry(old_dentry);
-+ check_mini_fo_dentry(new_dentry);
-+ check_mini_fo_inode(dir);
-+
-+ /* no links to directorys and existing targets target allowed */
-+ if(S_ISDIR(old_dentry->d_inode->i_mode) ||
-+ is_mini_fo_existant(new_dentry)) {
-+ err = -EPERM;
-+ goto out;
-+ }
-+
-+ /* bring it directly from unmod to del_rew */
-+ if(dtost(old_dentry) == UNMODIFIED) {
-+ err = nondir_unmod_to_mod(old_dentry, 1);
-+ if(err) {
-+ err = -EINVAL;
-+ goto out;
-+ }
-+ err = meta_add_d_entry(old_dentry->d_parent,
-+ old_dentry->d_name.name,
-+ old_dentry->d_name.len);
-+ if(err) {
-+ err = -EINVAL;
-+ goto out;
-+ }
-+ dput(dtohd(old_dentry));
-+ dtohd(old_dentry) = NULL;
-+ dtost(old_dentry) = DEL_REWRITTEN;
-+ }
-+
-+ err = get_neg_sto_dentry(new_dentry);
-+ if(err) {
-+ err = -EINVAL;
-+ goto out;
-+ }
-+
-+ hidden_old_dentry = dtohd2(old_dentry);
-+ hidden_new_dentry = dtohd2(new_dentry);
-+
-+ dget(hidden_old_dentry);
-+ dget(hidden_new_dentry);
-+
-+ /* was: hidden_dir_dentry = lock_parent(hidden_new_dentry); */
-+ hidden_dir_dentry = dget(hidden_new_dentry->d_parent);
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ err = vfs_link(hidden_old_dentry,
-+ hidden_dir_dentry->d_inode,
-+ hidden_new_dentry);
-+ if (err || !hidden_new_dentry->d_inode)
-+ goto out_lock;
-+
-+ dtost(new_dentry) = CREATED;
-+ err = mini_fo_tri_interpose(NULL, hidden_new_dentry, new_dentry, dir->i_sb, 0);
-+ if (err)
-+ goto out_lock;
-+
-+ fist_copy_attr_timesizes(dir, hidden_new_dentry->d_inode);
-+ /* propagate number of hard-links */
-+ old_dentry->d_inode->i_nlink = itohi2(old_dentry->d_inode)->i_nlink;
-+
-+ out_lock:
-+ /* was: unlock_dir(hidden_dir_dentry); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_dir_dentry);
-+
-+ dput(hidden_new_dentry);
-+ dput(hidden_old_dentry);
-+ if (!new_dentry->d_inode)
-+ d_drop(new_dentry);
-+
-+ out:
-+ return err;
-+}
-+
-+
-+STATIC int
-+mini_fo_unlink(inode_t *dir, dentry_t *dentry)
-+{
-+ int err = 0;
-+
-+ dget(dentry);
-+ if(dtopd(dentry)->state == MODIFIED) {
-+ err = nondir_mod_to_del(dentry);
-+ goto out;
-+ }
-+ else if(dtopd(dentry)->state == UNMODIFIED) {
-+ err = nondir_unmod_to_del(dentry);
-+ goto out;
-+ }
-+ else if(dtopd(dentry)->state == CREATED) {
-+ err = nondir_creat_to_del(dentry);
-+ goto out;
-+ }
-+ else if(dtopd(dentry)->state == DEL_REWRITTEN) {
-+ err = nondir_del_rew_to_del(dentry);
-+ goto out;
-+ }
-+
-+ printk(KERN_CRIT "mini_fo_unlink: ERROR, invalid state detected.\n");
-+
-+ out:
-+ fist_copy_attr_times(dir, itohi2(dentry->d_parent->d_inode));
-+
-+ if(!err) {
-+ /* is this causing my pain? d_delete(dentry); */
-+ d_drop(dentry);
-+ }
-+
-+ dput(dentry);
-+ return err;
-+}
-+
-+
-+STATIC int
-+mini_fo_symlink(inode_t *dir, dentry_t *dentry, const char *symname)
-+{
-+ int err=0;
-+ dentry_t *hidden_sto_dentry;
-+ dentry_t *hidden_sto_dir_dentry;
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ umode_t mode;
-+#endif
-+
-+ /* Fail if the symlink file exists */
-+ if(!(dtost(dentry) == DELETED ||
-+ dtost(dentry) == NON_EXISTANT)) {
-+ err = -EEXIST;
-+ goto out;
-+ }
-+
-+ err = get_neg_sto_dentry(dentry);
-+ if(err) {
-+ err = -EINVAL;
-+ goto out;
-+ }
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ dget(hidden_sto_dentry);
-+ /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ mode = S_IALLUGO;
-+ err = vfs_symlink(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry, symname, mode);
-+#else
-+ err = vfs_symlink(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry,
-+ symname);
-+#endif
-+ if (err || !hidden_sto_dentry->d_inode)
-+ goto out_lock;
-+
-+ if(dtost(dentry) == DELETED) {
-+ dtost(dentry) = DEL_REWRITTEN;
-+ err = mini_fo_tri_interpose(NULL, hidden_sto_dentry, dentry, dir->i_sb, 0);
-+ if(err)
-+ goto out_lock;
-+ } else if(dtost(dentry) == NON_EXISTANT) {
-+ dtost(dentry) = CREATED;
-+ err = mini_fo_tri_interpose(dtohd(dentry), hidden_sto_dentry, dentry, dir->i_sb, 0);
-+ if(err)
-+ goto out_lock;
-+ }
-+ fist_copy_attr_timesizes(dir, hidden_sto_dir_dentry->d_inode);
-+
-+ out_lock:
-+ /* was: unlock_dir(hidden_sto_dir_dentry); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+
-+ dput(hidden_sto_dentry);
-+ if (!dentry->d_inode)
-+ d_drop(dentry);
-+ out:
-+ return err;
-+}
-+
-+STATIC int
-+mini_fo_mkdir(inode_t *dir, dentry_t *dentry, int mode)
-+{
-+ int err;
-+
-+ err = create_sto_dir(dentry, mode);
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ return err;
-+}
-+
-+
-+STATIC int
-+mini_fo_rmdir(inode_t *dir, dentry_t *dentry)
-+{
-+ int err = 0;
-+
-+ dentry_t *hidden_sto_dentry;
-+ dentry_t *hidden_sto_dir_dentry;
-+ dentry_t *meta_dentry;
-+ inode_t *hidden_sto_dir = NULL;
-+
-+ check_mini_fo_dentry(dentry);
-+ check_mini_fo_inode(dir);
-+
-+ dget(dentry);
-+ if(dtopd(dentry)->state == MODIFIED) {
-+ /* XXX: disabled, because it does not bother to check files on
-+ * the original filesystem - just a hack, but better than simply
-+ * removing it without testing */
-+ err = -EINVAL;
-+ goto out;
-+
-+ hidden_sto_dir = itohi2(dir);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* was:hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ /* Delete an old WOL file contained in the storage dir */
-+ meta_dentry = lookup_one_len(META_FILENAME,
-+ hidden_sto_dentry,
-+ strlen(META_FILENAME));
-+ if(meta_dentry->d_inode) {
-+ err = vfs_unlink(hidden_sto_dentry->d_inode, meta_dentry);
-+ dput(meta_dentry);
-+ if(!err)
-+ d_delete(meta_dentry);
-+ }
-+
-+ err = vfs_rmdir(hidden_sto_dir, hidden_sto_dentry);
-+ dput(hidden_sto_dentry);
-+ if(!err)
-+ d_delete(hidden_sto_dentry);
-+
-+ /* propagate number of hard-links */
-+ dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
-+
-+ dput(dtohd(dentry));
-+
-+ dtohd(dentry) = NULL;
-+ dtopd(dentry)->state = DELETED;
-+
-+ /* carefull with R files */
-+ if( __meta_is_r_entry(dir,
-+ dentry->d_name.name,
-+ dentry->d_name.len) == 1) {
-+ err = meta_remove_r_entry(dentry->d_parent,
-+ dentry->d_name.name,
-+ dentry->d_name.len);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: rmdir: meta_remove_r_entry failed.\n");
-+ goto out;
-+ }
-+ }
-+ else {
-+ /* ok, add deleted file to META */
-+ meta_add_d_entry(dentry->d_parent,
-+ dentry->d_name.name,
-+ dentry->d_name.len);
-+ }
-+ /* was: unlock_dir(hidden_sto_dir_dentry); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+ goto out;
-+ }
-+ else if(dtopd(dentry)->state == UNMODIFIED) {
-+ /* XXX: simply adding it to the delete list here is fscking dangerous!
-+ * as a temporary hack, i will disable rmdir on unmodified directories
-+ * for now.
-+ */
-+ err = -EINVAL;
-+ goto out;
-+
-+ err = get_neg_sto_dentry(dentry);
-+ if(err) {
-+ err = -EINVAL;
-+ goto out;
-+ }
-+
-+ /* dput base dentry, this will relase the inode and free the
-+ * dentry, as we will never need it again. */
-+ dput(dtohd(dentry));
-+ dtohd(dentry) = NULL;
-+ dtopd(dentry)->state = DELETED;
-+
-+ /* add deleted file to META-file */
-+ meta_add_d_entry(dentry->d_parent,
-+ dentry->d_name.name,
-+ dentry->d_name.len);
-+ goto out;
-+ }
-+ else if(dtopd(dentry)->state == CREATED) {
-+ hidden_sto_dir = itohi2(dir);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry);*/
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ /* Delete an old WOL file contained in the storage dir */
-+ meta_dentry = lookup_one_len(META_FILENAME,
-+ hidden_sto_dentry,
-+ strlen(META_FILENAME));
-+ if(meta_dentry->d_inode) {
-+ /* is this necessary? dget(meta_dentry); */
-+ err = vfs_unlink(hidden_sto_dentry->d_inode,
-+ meta_dentry);
-+ dput(meta_dentry);
-+ if(!err)
-+ d_delete(meta_dentry);
-+ }
-+
-+ err = vfs_rmdir(hidden_sto_dir, hidden_sto_dentry);
-+ dput(hidden_sto_dentry);
-+ if(!err)
-+ d_delete(hidden_sto_dentry);
-+
-+ /* propagate number of hard-links */
-+ dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
-+ dtopd(dentry)->state = NON_EXISTANT;
-+
-+ /* was: unlock_dir(hidden_sto_dir_dentry); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+
-+ goto out;
-+ }
-+ else if(dtopd(dentry)->state == DEL_REWRITTEN) {
-+ hidden_sto_dir = itohi2(dir);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry);*/
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ /* Delete an old WOL file contained in the storage dir */
-+ meta_dentry = lookup_one_len(META_FILENAME,
-+ hidden_sto_dentry,
-+ strlen(META_FILENAME));
-+ if(meta_dentry->d_inode) {
-+ /* is this necessary? dget(meta_dentry); */
-+ err = vfs_unlink(hidden_sto_dentry->d_inode,
-+ meta_dentry);
-+ dput(meta_dentry);
-+ if(!err)
-+ d_delete(meta_dentry);
-+ }
-+
-+ err = vfs_rmdir(hidden_sto_dir, hidden_sto_dentry);
-+ dput(hidden_sto_dentry);
-+ if(!err)
-+ d_delete(hidden_sto_dentry);
-+
-+ /* propagate number of hard-links */
-+ dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
-+ dtopd(dentry)->state = DELETED;
-+ /* was: unlock_dir(hidden_sto_dir_dentry); */
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+ goto out;
-+ }
-+
-+ printk(KERN_CRIT "mini_fo_rmdir: ERROR, invalid state detected.\n");
-+
-+ out:
-+ if(!err) {
-+ d_drop(dentry);
-+ }
-+
-+ fist_copy_attr_times(dir, itohi2(dentry->d_parent->d_inode));
-+ dput(dentry);
-+
-+ return err;
-+}
-+
-+
-+STATIC int
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+mini_fo_mknod(inode_t *dir, dentry_t *dentry, int mode, dev_t dev)
-+#else
-+mini_fo_mknod(inode_t *dir, dentry_t *dentry, int mode, int dev)
-+#endif
-+{
-+ int err = 0;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ err = create_sto_nod(dentry, mode, dev);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo_mknod: creating sto nod failed.\n");
-+ err = -EINVAL;
-+ }
-+
-+ check_mini_fo_dentry(dentry);
-+ return err;
-+}
-+
-+
-+STATIC int
-+mini_fo_rename(inode_t *old_dir, dentry_t *old_dentry,
-+ inode_t *new_dir, dentry_t *new_dentry)
-+{
-+ /* dispatch */
-+ if(S_ISDIR(old_dentry->d_inode->i_mode))
-+ return rename_directory(old_dir, old_dentry, new_dir, new_dentry);
-+ return rename_nondir(old_dir, old_dentry, new_dir, new_dentry);
-+
-+}
-+
-+int rename_directory(inode_t *old_dir, dentry_t *old_dentry,
-+ inode_t *new_dir, dentry_t *new_dentry)
-+{
-+ int err, bpath_len;
-+ char *bpath;
-+
-+ dentry_t *hidden_old_dentry;
-+ dentry_t *hidden_new_dentry;
-+ dentry_t *hidden_old_dir_dentry;
-+ dentry_t *hidden_new_dir_dentry;
-+
-+ err = 0;
-+ bpath = NULL;
-+ bpath_len = 0;
-+
-+ /* this is a test, chuck out if it works */
-+ if(!(dtopd(new_dentry)->state == DELETED ||
-+ dtopd(new_dentry)->state == NON_EXISTANT)) {
-+ printk(KERN_CRIT "mini_fo: rename_directory: \
-+ uh, ah, new_dentry not negative.\n");
-+ /* return -1; */
-+ }
-+
-+ /* state = UNMODIFIED */
-+ if(dtopd(old_dentry)->state == UNMODIFIED) {
-+ err = dir_unmod_to_mod(old_dentry);
-+ if (err)
-+ goto out;
-+ }
-+
-+ /* state = MODIFIED */
-+ if(dtopd(old_dentry)->state == MODIFIED) {
-+ bpath = meta_check_r_entry(old_dentry->d_parent,
-+ old_dentry->d_name.name,
-+ old_dentry->d_name.len);
-+ if(bpath) {
-+ err = meta_remove_r_entry(old_dentry->d_parent,
-+ old_dentry->d_name.name,
-+ old_dentry->d_name.len);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: rename_directory:\
-+ meta_remove_r_entry \
-+ failed.\n");
-+ goto out;
-+ }
-+ err = meta_add_r_entry(new_dentry->d_parent,
-+ bpath,
-+ strlen(bpath),
-+ new_dentry->d_name.name,
-+ new_dentry->d_name.len);
-+ kfree(bpath);
-+ }
-+ else {/* wol it */
-+ err = meta_add_d_entry(old_dentry->d_parent,
-+ old_dentry->d_name.name,
-+ old_dentry->d_name.len);
-+ if (err)
-+ goto out;
-+ /* put it on rename list */
-+ err = get_mini_fo_bpath(old_dentry,
-+ &bpath,
-+ &bpath_len);
-+ if (err)
-+ goto out;
-+ err = meta_add_r_entry(new_dentry->d_parent,
-+ bpath, bpath_len,
-+ new_dentry->d_name.name,
-+ new_dentry->d_name.len);
-+ if (err)
-+ goto out;
-+ }
-+ /* no state change, MODIFIED stays MODIFIED */
-+ }
-+ /* state = CREATED */
-+ if(dtopd(old_dentry)->state == CREATED ||
-+ dtopd(old_dentry)->state == DEL_REWRITTEN) {
-+ if(dtohd(old_dentry))
-+ dput(dtohd(old_dentry));
-+
-+ if(dtopd(new_dentry)->state == DELETED) {
-+ dtopd(old_dentry)->state = DEL_REWRITTEN;
-+ dtohd(old_dentry) = NULL;
-+ }
-+ else if(dtopd(new_dentry)->state == NON_EXISTANT) {
-+ dtopd(old_dentry)->state = CREATED;
-+ /* steal new dentry's neg. base dentry */
-+ dtohd(old_dentry) = dtohd(new_dentry);
-+ dtohd(new_dentry) = NULL;
-+ }
-+ }
-+ if(dtopd(new_dentry)->state == UNMODIFIED ||
-+ dtopd(new_dentry)->state == NON_EXISTANT) {
-+ err = get_neg_sto_dentry(new_dentry);
-+ if(err)
-+ goto out;
-+ }
-+
-+ /* now move sto file */
-+ hidden_old_dentry = dtohd2(old_dentry);
-+ hidden_new_dentry = dtohd2(new_dentry);
-+
-+ dget(hidden_old_dentry);
-+ dget(hidden_new_dentry);
-+
-+ hidden_old_dir_dentry = dget(hidden_old_dentry->d_parent);
-+ hidden_new_dir_dentry = dget(hidden_new_dentry->d_parent);
-+ double_lock(hidden_old_dir_dentry, hidden_new_dir_dentry);
-+
-+ err = vfs_rename(hidden_old_dir_dentry->d_inode, hidden_old_dentry,
-+ hidden_new_dir_dentry->d_inode, hidden_new_dentry);
-+ if(err)
-+ goto out_lock;
-+
-+ fist_copy_attr_all(new_dir, hidden_new_dir_dentry->d_inode);
-+ if (new_dir != old_dir)
-+ fist_copy_attr_all(old_dir,
-+ hidden_old_dir_dentry->d_inode);
-+
-+ out_lock:
-+ /* double_unlock will dput the new/old parent dentries
-+ * whose refcnts were incremented via get_parent above. */
-+ double_unlock(hidden_old_dir_dentry, hidden_new_dir_dentry);
-+ dput(hidden_new_dentry);
-+ dput(hidden_old_dentry);
-+
-+ out:
-+ return err;
-+}
-+
-+int rename_nondir(inode_t *old_dir, dentry_t *old_dentry,
-+ inode_t *new_dir, dentry_t *new_dentry)
-+{
-+ int err=0;
-+
-+ check_mini_fo_dentry(old_dentry);
-+ check_mini_fo_dentry(new_dentry);
-+ check_mini_fo_inode(old_dir);
-+ check_mini_fo_inode(new_dir);
-+
-+ /* state: UNMODIFIED */
-+ if(dtost(old_dentry) == UNMODIFIED) {
-+ err = nondir_unmod_to_mod(old_dentry, 1);
-+ if(err) {
-+ err = -EINVAL;
-+ goto out;
-+ }
-+ }
-+
-+ /* the easy states */
-+ if(exists_in_storage(old_dentry)) {
-+
-+ dentry_t *hidden_old_dentry;
-+ dentry_t *hidden_new_dentry;
-+ dentry_t *hidden_old_dir_dentry;
-+ dentry_t *hidden_new_dir_dentry;
-+
-+ /* if old file is MODIFIED, add it to the deleted_list */
-+ if(dtopd(old_dentry)->state == MODIFIED) {
-+ meta_add_d_entry(old_dentry->d_parent,
-+ old_dentry->d_name.name,
-+ old_dentry->d_name.len);
-+
-+ dput(dtohd(old_dentry));
-+ }
-+ /* if old file is CREATED, we only release the base dentry */
-+ if(dtopd(old_dentry)->state == CREATED) {
-+ if(dtohd(old_dentry))
-+ dput(dtohd(old_dentry));
-+ }
-+
-+ /* now setup the new states (depends on new_dentry state) */
-+ /* new dentry state = MODIFIED */
-+ if(dtopd(new_dentry)->state == MODIFIED) {
-+ meta_add_d_entry(new_dentry->d_parent,
-+ new_dentry->d_name.name,
-+ new_dentry->d_name.len);
-+
-+ /* new dentry will be d_put'ed later by the vfs
-+ * so don't do it here
-+ * dput(dtohd(new_dentry));
-+ */
-+ dtohd(old_dentry) = NULL;
-+ dtopd(old_dentry)->state = DEL_REWRITTEN;
-+ }
-+ /* new dentry state = UNMODIFIED */
-+ else if(dtopd(new_dentry)->state == UNMODIFIED) {
-+ if(get_neg_sto_dentry(new_dentry))
-+ return -EINVAL;
-+
-+ meta_add_d_entry(new_dentry->d_parent,
-+ new_dentry->d_name.name,
-+ new_dentry->d_name.len);
-+
-+ /* is this right??? */
-+ /*dput(dtohd(new_dentry));*/
-+ dtohd(old_dentry) = NULL;
-+ dtopd(old_dentry)->state = DEL_REWRITTEN;
-+ }
-+ /* new dentry state = CREATED */
-+ else if(dtopd(new_dentry)->state == CREATED) {
-+ /* we keep the neg. base dentry (if exists) */
-+ dtohd(old_dentry) = dtohd(new_dentry);
-+ /* ...and set it to Null, or we'll get
-+ * dcache.c:345 if it gets dput twice... */
-+ dtohd(new_dentry) = NULL;
-+ dtopd(old_dentry)->state = CREATED;
-+ }
-+ /* new dentry state = NON_EXISTANT */
-+ else if(dtopd(new_dentry)->state == NON_EXISTANT) {
-+ if(get_neg_sto_dentry(new_dentry))
-+ return -EINVAL;
-+
-+ /* we keep the neg. base dentry (if exists) */
-+ dtohd(old_dentry) = dtohd(new_dentry);
-+ /* ...and set it to Null, or we'll get
-+ * Dr. dcache.c:345 if it gets dput twice... */
-+ dtohd(new_dentry) = NULL;
-+ dtopd(old_dentry)->state = CREATED;
-+ }
-+ /* new dentry state = DEL_REWRITTEN or DELETED */
-+ else if(dtopd(new_dentry)->state == DEL_REWRITTEN ||
-+ dtopd(new_dentry)->state == DELETED) {
-+ dtohd(old_dentry) = NULL;
-+ dtopd(old_dentry)->state = DEL_REWRITTEN;
-+ }
-+ else { /* not possible, uhh, ahh */
-+ printk(KERN_CRIT
-+ "mini_fo: rename_reg_file: invalid state detected [1].\n");
-+ return -1;
-+ }
-+
-+ /* now we definitely have a sto file */
-+ hidden_old_dentry = dtohd2(old_dentry);
-+ hidden_new_dentry = dtohd2(new_dentry);
-+
-+ dget(hidden_old_dentry);
-+ dget(hidden_new_dentry);
-+
-+ hidden_old_dir_dentry = dget(hidden_old_dentry->d_parent);
-+ hidden_new_dir_dentry = dget(hidden_new_dentry->d_parent);
-+ double_lock(hidden_old_dir_dentry, hidden_new_dir_dentry);
-+
-+ err = vfs_rename(hidden_old_dir_dentry->d_inode,
-+ hidden_old_dentry,
-+ hidden_new_dir_dentry->d_inode,
-+ hidden_new_dentry);
-+ if(err)
-+ goto out_lock;
-+
-+ fist_copy_attr_all(new_dir, hidden_new_dir_dentry->d_inode);
-+ if (new_dir != old_dir)
-+ fist_copy_attr_all(old_dir, hidden_old_dir_dentry->d_inode);
-+
-+ out_lock:
-+ /* double_unlock will dput the new/old parent dentries
-+ * whose refcnts were incremented via get_parent above.
-+ */
-+ double_unlock(hidden_old_dir_dentry, hidden_new_dir_dentry);
-+ dput(hidden_new_dentry);
-+ dput(hidden_old_dentry);
-+ out:
-+ return err;
-+ }
-+ else { /* invalid state */
-+ printk(KERN_CRIT "mini_fo: rename_reg_file: ERROR: invalid state detected [2].\n");
-+ return -1;
-+ }
-+}
-+
-+
-+STATIC int
-+mini_fo_readlink(dentry_t *dentry, char *buf, int bufsiz)
-+{
-+ int err=0;
-+ dentry_t *hidden_dentry = NULL;
-+
-+ if(dtohd2(dentry) && dtohd2(dentry)->d_inode) {
-+ hidden_dentry = dtohd2(dentry);
-+ } else if(dtohd(dentry) && dtohd(dentry)->d_inode) {
-+ hidden_dentry = dtohd(dentry);
-+ } else {
-+ goto out;
-+ }
-+
-+ if (!hidden_dentry->d_inode->i_op ||
-+ !hidden_dentry->d_inode->i_op->readlink) {
-+ err = -EINVAL; goto out;
-+ }
-+
-+ err = hidden_dentry->d_inode->i_op->readlink(hidden_dentry,
-+ buf,
-+ bufsiz);
-+ if (err > 0)
-+ fist_copy_attr_atime(dentry->d_inode, hidden_dentry->d_inode);
-+
-+ out:
-+ return err;
-+}
-+
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
-+static int mini_fo_follow_link(dentry_t *dentry, struct nameidata *nd)
-+#else
-+static void* mini_fo_follow_link(dentry_t *dentry, struct nameidata *nd)
-+#endif
-+{
-+ char *buf;
-+ int len = PAGE_SIZE, err;
-+ mm_segment_t old_fs;
-+
-+ /* in 2.6 this is freed by mini_fo_put_link called by __do_follow_link */
-+ buf = kmalloc(len, GFP_KERNEL);
-+ if (!buf) {
-+ err = -ENOMEM;
-+ goto out;
-+ }
-+
-+ /* read the symlink, and then we will follow it */
-+ old_fs = get_fs();
-+ set_fs(KERNEL_DS);
-+ err = dentry->d_inode->i_op->readlink(dentry, buf, len);
-+ set_fs(old_fs);
-+ if (err < 0) {
-+ kfree(buf);
-+ buf = NULL;
-+ goto out;
-+ }
-+ buf[err] = 0;
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ nd_set_link(nd, buf);
-+ err = 0;
-+#else
-+ err = vfs_follow_link(nd, buf);
-+#endif
-+
-+ out:
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ kfree(buf);
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
-+ return err;
-+#else
-+ return ERR_PTR(err);
-+#endif
-+}
-+
-+STATIC
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
-+void mini_fo_put_link(struct dentry *dentry, struct nameidata *nd)
-+#else
-+void mini_fo_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie)
-+#endif
-+{
-+ char *link;
-+ link = nd_get_link(nd);
-+ kfree(link);
-+}
-+#endif
-+
-+STATIC int
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+mini_fo_permission(inode_t *inode, int mask, struct nameidata *nd)
-+#else
-+mini_fo_permission(inode_t *inode, int mask)
-+#endif
-+{
-+ inode_t *hidden_inode;
-+ int mode;
-+ int err;
-+
-+ if(itohi2(inode)) {
-+ hidden_inode = itohi2(inode);
-+ } else {
-+ hidden_inode = itohi(inode);
-+ }
-+ mode = inode->i_mode;
-+
-+ /* not really needed, as permission handles everything:
-+ * err = vfs_permission(inode, mask);
-+ * if (err)
-+ * goto out;
-+ */
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ err = permission(hidden_inode, mask, nd);
-+#else
-+ err = permission(hidden_inode, mask);
-+#endif
-+
-+ /* out: */
-+ return err;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+STATIC int
-+mini_fo_inode_revalidate(dentry_t *dentry)
-+{
-+ int err = 0;
-+ dentry_t *hidden_dentry;
-+ inode_t *hidden_inode;
-+
-+ ASSERT(dentry->d_inode);
-+ ASSERT(itopd(dentry->d_inode));
-+
-+ if(itohi2(dentry->d_inode)) {
-+ hidden_dentry = dtohd2(dentry);
-+ hidden_inode = hidden_dentry->d_inode;
-+ } else if(itohi(dentry->d_inode)) {
-+ hidden_dentry = dtohd(dentry);
-+ hidden_inode = hidden_dentry->d_inode;
-+ } else {
-+ printk(KERN_CRIT "mini_fo_inode_revalidate: ERROR, invalid state detected.\n");
-+ err = -ENOENT;
-+ goto out;
-+ }
-+ if (hidden_inode && hidden_inode->i_op && hidden_inode->i_op->revalidate){
-+ err = hidden_inode->i_op->revalidate(hidden_dentry);
-+ if (err)
-+ goto out;
-+ }
-+ fist_copy_attr_all(dentry->d_inode, hidden_inode);
-+ out:
-+ return err;
-+}
-+#endif
-+
-+STATIC int
-+mini_fo_setattr(dentry_t *dentry, struct iattr *ia)
-+{
-+ int err = 0;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if(!is_mini_fo_existant(dentry)) {
-+ printk(KERN_CRIT "mini_fo_setattr: ERROR, invalid state detected [1].\n");
-+ goto out;
-+ }
-+
-+ if(dtost(dentry) == UNMODIFIED) {
-+ if(!IS_COPY_FLAG(ia->ia_valid))
-+ goto out; /* we ignore these changes to base */
-+
-+ if(S_ISDIR(dentry->d_inode->i_mode)) {
-+ err = dir_unmod_to_mod(dentry);
-+ } else {
-+ /* we copy contents if file is not beeing truncated */
-+ if(S_ISREG(dentry->d_inode->i_mode) &&
-+ !(ia->ia_size == 0 && (ia->ia_valid & ATTR_SIZE))) {
-+ err = nondir_unmod_to_mod(dentry, 1);
-+ } else
-+ err = nondir_unmod_to_mod(dentry, 0);
-+ }
-+ if(err) {
-+ err = -EINVAL;
-+ printk(KERN_CRIT "mini_fo_setattr: ERROR changing states.\n");
-+ goto out;
-+ }
-+ }
-+ if(!exists_in_storage(dentry)) {
-+ printk(KERN_CRIT "mini_fo_setattr: ERROR, invalid state detected [2].\n");
-+ err = -EINVAL;
-+ goto out;
-+ }
-+ ASSERT(dentry->d_inode);
-+ ASSERT(dtohd2(dentry));
-+ ASSERT(itopd(dentry->d_inode));
-+ ASSERT(itohi2(dentry->d_inode));
-+
-+ err = notify_change(dtohd2(dentry), ia);
-+ fist_copy_attr_all(dentry->d_inode, itohi2(dentry->d_inode));
-+ out:
-+ return err;
-+}
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+STATIC int
-+mini_fo_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
-+{
-+ int err = 0;
-+ dentry_t *hidden_dentry;
-+
-+ ASSERT(dentry->d_inode);
-+ ASSERT(itopd(dentry->d_inode));
-+
-+ if(itohi2(dentry->d_inode)) {
-+ hidden_dentry = dtohd2(dentry);
-+ } else if(itohi(dentry->d_inode)) {
-+ hidden_dentry = dtohd(dentry);
-+ } else {
-+ printk(KERN_CRIT "mini_fo_getattr: ERROR, invalid state detected.\n");
-+ err = -ENOENT;
-+ goto out;
-+ }
-+ fist_copy_attr_all(dentry->d_inode, hidden_dentry->d_inode);
-+
-+ ASSERT(hidden_dentry);
-+ ASSERT(hidden_dentry->d_inode);
-+ ASSERT(hidden_dentry->d_inode->i_op);
-+
-+ generic_fillattr(dentry->d_inode, stat);
-+ if (!stat->blksize) {
-+ struct super_block *s = hidden_dentry->d_inode->i_sb;
-+ unsigned blocks;
-+ blocks = (stat->size+s->s_blocksize-1) >> s->s_blocksize_bits;
-+ stat->blocks = (s->s_blocksize / 512) * blocks;
-+ stat->blksize = s->s_blocksize;
-+ }
-+ out:
-+ return err;
-+}
-+#endif
-+
-+#if defined(XATTR) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20))
-+#if 0 /* no xattr_alloc() and xattr_free() */
-+/* This is lifted from fs/xattr.c */
-+static void *
-+xattr_alloc(size_t size, size_t limit)
-+{
-+ void *ptr;
-+
-+ if (size > limit)
-+ return ERR_PTR(-E2BIG);
-+
-+ if (!size) /* size request, no buffer is needed */
-+ return NULL;
-+ else if (size <= PAGE_SIZE)
-+ ptr = kmalloc((unsigned long) size, GFP_KERNEL);
-+ else
-+ ptr = vmalloc((unsigned long) size);
-+ if (!ptr)
-+ return ERR_PTR(-ENOMEM);
-+ return ptr;
-+}
-+
-+static void
-+xattr_free(void *ptr, size_t size)
-+{
-+ if (!size) /* size request, no buffer was needed */
-+ return;
-+ else if (size <= PAGE_SIZE)
-+ kfree(ptr);
-+ else
-+ vfree(ptr);
-+}
-+#endif /* no xattr_alloc() and xattr_free() */
-+
-+/* BKL held by caller.
-+ * dentry->d_inode->i_sem down
-+ */
-+STATIC int
-+mini_fo_getxattr(struct dentry *dentry, const char *name, void *value, size_t size) {
-+ struct dentry *hidden_dentry = NULL;
-+ int err = -EOPNOTSUPP;
-+ /* Define these anyway so we don't need as much ifdef'ed code. */
-+ char *encoded_name = NULL;
-+ char *encoded_value = NULL;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if(exists_in_storage(dentry))
-+ hidden_dentry = dtohd2(dentry);
-+ else
-+ hidden_dentry = dtohd(dentry);
-+
-+ ASSERT(hidden_dentry);
-+ ASSERT(hidden_dentry->d_inode);
-+ ASSERT(hidden_dentry->d_inode->i_op);
-+
-+ if (hidden_dentry->d_inode->i_op->getxattr) {
-+ encoded_name = (char *)name;
-+ encoded_value = (char *)value;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ /* lock_kernel() already done by caller. */
-+ err = hidden_dentry->d_inode->i_op->getxattr(hidden_dentry, encoded_name, encoded_value, size);
-+ /* unlock_kernel() will be done by caller. */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ }
-+ return err;
-+}
-+
-+/* BKL held by caller.
-+ * dentry->d_inode->i_sem down
-+ */
-+STATIC int
-+#if ((LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,21) \
-+ && LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,23)) \
-+ || LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
-+mini_fo_setxattr(struct dentry *dentry, const char *name,
-+ const void *value, size_t size, int flags)
-+#else
-+mini_fo_setxattr(struct dentry *dentry, const char *name,
-+ void *value, size_t size, int flags)
-+#endif
-+
-+{
-+ struct dentry *hidden_dentry = NULL;
-+ int err = -EOPNOTSUPP;
-+
-+ /* Define these anyway, so we don't have as much ifdef'ed code. */
-+ char *encoded_value = NULL;
-+ char *encoded_name = NULL;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if(exists_in_storage(dentry))
-+ hidden_dentry = dtohd2(dentry);
-+ else
-+ hidden_dentry = dtohd(dentry);
-+
-+ ASSERT(hidden_dentry);
-+ ASSERT(hidden_dentry->d_inode);
-+ ASSERT(hidden_dentry->d_inode->i_op);
-+
-+ if (hidden_dentry->d_inode->i_op->setxattr) {
-+ encoded_name = (char *)name;
-+ encoded_value = (char *)value;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ /* lock_kernel() already done by caller. */
-+ err = hidden_dentry->d_inode->i_op->setxattr(hidden_dentry, encoded_name, encoded_value, size, flags);
-+ /* unlock_kernel() will be done by caller. */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ }
-+ return err;
-+}
-+
-+/* BKL held by caller.
-+ * dentry->d_inode->i_sem down
-+ */
-+STATIC int
-+mini_fo_removexattr(struct dentry *dentry, const char *name) {
-+ struct dentry *hidden_dentry = NULL;
-+ int err = -EOPNOTSUPP;
-+ char *encoded_name;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if(exists_in_storage(dentry))
-+ hidden_dentry = dtohd2(dentry);
-+ else
-+ hidden_dentry = dtohd(dentry);
-+
-+ ASSERT(hidden_dentry);
-+ ASSERT(hidden_dentry->d_inode);
-+ ASSERT(hidden_dentry->d_inode->i_op);
-+
-+ if (hidden_dentry->d_inode->i_op->removexattr) {
-+ encoded_name = (char *)name;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ /* lock_kernel() already done by caller. */
-+ err = hidden_dentry->d_inode->i_op->removexattr(hidden_dentry, encoded_name);
-+ /* unlock_kernel() will be done by caller. */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ }
-+ return err;
-+}
-+
-+/* BKL held by caller.
-+ * dentry->d_inode->i_sem down
-+ */
-+STATIC int
-+mini_fo_listxattr(struct dentry *dentry, char *list, size_t size) {
-+ struct dentry *hidden_dentry = NULL;
-+ int err = -EOPNOTSUPP;
-+ char *encoded_list = NULL;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if(exists_in_storage(dentry))
-+ hidden_dentry = dtohd2(dentry);
-+ else
-+ hidden_dentry = dtohd(dentry);
-+
-+ ASSERT(hidden_dentry);
-+ ASSERT(hidden_dentry->d_inode);
-+ ASSERT(hidden_dentry->d_inode->i_op);
-+
-+ if (hidden_dentry->d_inode->i_op->listxattr) {
-+ encoded_list = list;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ /* lock_kernel() already done by caller. */
-+ err = hidden_dentry->d_inode->i_op->listxattr(hidden_dentry, encoded_list, size);
-+ /* unlock_kernel() will be done by caller. */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_dentry->d_inode->i_sem);
-+#endif
-+ }
-+ return err;
-+}
-+# endif /* defined(XATTR) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20)) */
-+
-+struct inode_operations mini_fo_symlink_iops =
-+ {
-+ readlink: mini_fo_readlink,
-+ follow_link: mini_fo_follow_link,
-+ /* mk: permission: mini_fo_permission, */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ revalidate: mini_fo_inode_revalidate,
-+#endif
-+ setattr: mini_fo_setattr,
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ getattr: mini_fo_getattr,
-+ put_link: mini_fo_put_link,
-+#endif
-+
-+#if defined(XATTR) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20))
-+ setxattr: mini_fo_setxattr,
-+ getxattr: mini_fo_getxattr,
-+ listxattr: mini_fo_listxattr,
-+ removexattr: mini_fo_removexattr
-+# endif /* defined(XATTR) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20)) */
-+ };
-+
-+struct inode_operations mini_fo_dir_iops =
-+ {
-+ create: mini_fo_create,
-+ lookup: mini_fo_lookup,
-+ link: mini_fo_link,
-+ unlink: mini_fo_unlink,
-+ symlink: mini_fo_symlink,
-+ mkdir: mini_fo_mkdir,
-+ rmdir: mini_fo_rmdir,
-+ mknod: mini_fo_mknod,
-+ rename: mini_fo_rename,
-+ /* no readlink/follow_link for non-symlinks */
-+ // off because we have setattr
-+ // truncate: mini_fo_truncate,
-+ /* mk:permission: mini_fo_permission, */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ revalidate: mini_fo_inode_revalidate,
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ getattr: mini_fo_getattr,
-+#endif
-+ setattr: mini_fo_setattr,
-+#if defined(XATTR) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20))
-+ setxattr: mini_fo_setxattr,
-+ getxattr: mini_fo_getxattr,
-+ listxattr: mini_fo_listxattr,
-+ removexattr: mini_fo_removexattr
-+# endif /* XATTR && LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) */
-+ };
-+
-+struct inode_operations mini_fo_main_iops =
-+ {
-+ /* permission: mini_fo_permission, */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ revalidate: mini_fo_inode_revalidate,
-+#endif
-+ setattr: mini_fo_setattr,
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ getattr: mini_fo_getattr,
-+#endif
-+#if defined(XATTR) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20))
-+ setxattr: mini_fo_setxattr,
-+ getxattr: mini_fo_getxattr,
-+ listxattr: mini_fo_listxattr,
-+ removexattr: mini_fo_removexattr
-+# endif /* XATTR && LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20) */
-+ };
---- /dev/null
-+++ b/fs/mini_fo/main.c
-@@ -0,0 +1,423 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+/*
-+ * $Id$
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif
-+
-+#include "fist.h"
-+#include "mini_fo.h"
-+#include <linux/module.h>
-+
-+/* This definition must only appear after we include <linux/module.h> */
-+#ifndef MODULE_LICENSE
-+# define MODULE_LICENSE(bison)
-+#endif /* not MODULE_LICENSE */
-+
-+/*
-+ * This is the mini_fo tri interpose function, which extends the
-+ * functionality of the regular interpose by interposing a higher
-+ * level inode on top of two lower level ones: the base filesystem
-+ * inode and the storage filesystem inode.
-+ *
-+ * sb we pass is mini_fo's super_block
-+ */
-+int
-+mini_fo_tri_interpose(dentry_t *hidden_dentry,
-+ dentry_t *hidden_sto_dentry,
-+ dentry_t *dentry, super_block_t *sb, int flag)
-+{
-+ inode_t *hidden_inode = NULL;
-+ inode_t *hidden_sto_inode = NULL; /* store corresponding storage inode */
-+ int err = 0;
-+ inode_t *inode;
-+
-+ /* Pointer to hidden_sto_inode if exists, else to hidden_inode.
-+ * This is used to copy the attributes of the correct inode. */
-+ inode_t *master_inode;
-+
-+ if(hidden_dentry)
-+ hidden_inode = hidden_dentry->d_inode;
-+ if(hidden_sto_dentry)
-+ hidden_sto_inode = hidden_sto_dentry->d_inode;
-+
-+ ASSERT(dentry->d_inode == NULL);
-+
-+ /* mk: One of the inodes associated with the dentrys is likely to
-+ * be NULL, so carefull:
-+ */
-+ ASSERT((hidden_inode != NULL) || (hidden_sto_inode != NULL));
-+
-+ if(hidden_sto_inode)
-+ master_inode = hidden_sto_inode;
-+ else
-+ master_inode = hidden_inode;
-+
-+ /*
-+ * We allocate our new inode below, by calling iget.
-+ * iget will call our read_inode which will initialize some
-+ * of the new inode's fields
-+ */
-+
-+ /*
-+ * original: inode = iget(sb, hidden_inode->i_ino);
-+ */
-+ inode = iget(sb, iunique(sb, 25));
-+ if (!inode) {
-+ err = -EACCES; /* should be impossible??? */
-+ goto out;
-+ }
-+
-+ /*
-+ * interpose the inode if not already interposed
-+ * this is possible if the inode is being reused
-+ * XXX: what happens if we get_empty_inode() but there's another already?
-+ * for now, ASSERT() that this can't happen; fix later.
-+ */
-+ if (itohi(inode) != NULL) {
-+ printk(KERN_CRIT "mini_fo_tri_interpose: itohi(inode) != NULL.\n");
-+ }
-+ if (itohi2(inode) != NULL) {
-+ printk(KERN_CRIT "mini_fo_tri_interpose: itohi2(inode) != NULL.\n");
-+ }
-+
-+ /* mk: Carefull, igrab can't handle NULL inodes (ok, why should it?), so
-+ * we need to check here:
-+ */
-+ if(hidden_inode)
-+ itohi(inode) = igrab(hidden_inode);
-+ else
-+ itohi(inode) = NULL;
-+
-+ if(hidden_sto_inode)
-+ itohi2(inode) = igrab(hidden_sto_inode);
-+ else
-+ itohi2(inode) = NULL;
-+
-+
-+ /* Use different set of inode ops for symlinks & directories*/
-+ if (S_ISLNK(master_inode->i_mode))
-+ inode->i_op = &mini_fo_symlink_iops;
-+ else if (S_ISDIR(master_inode->i_mode))
-+ inode->i_op = &mini_fo_dir_iops;
-+
-+ /* Use different set of file ops for directories */
-+ if (S_ISDIR(master_inode->i_mode))
-+ inode->i_fop = &mini_fo_dir_fops;
-+
-+ /* properly initialize special inodes */
-+ if (S_ISBLK(master_inode->i_mode) || S_ISCHR(master_inode->i_mode) ||
-+ S_ISFIFO(master_inode->i_mode) || S_ISSOCK(master_inode->i_mode)) {
-+ init_special_inode(inode, master_inode->i_mode, master_inode->i_rdev);
-+ }
-+
-+ /* Fix our inode's address operations to that of the lower inode */
-+ if (inode->i_mapping->a_ops != master_inode->i_mapping->a_ops) {
-+ inode->i_mapping->a_ops = master_inode->i_mapping->a_ops;
-+ }
-+
-+ /* only (our) lookup wants to do a d_add */
-+ if (flag)
-+ d_add(dentry, inode);
-+ else
-+ d_instantiate(dentry, inode);
-+
-+ ASSERT(dtopd(dentry) != NULL);
-+
-+ /* all well, copy inode attributes */
-+ fist_copy_attr_all(inode, master_inode);
-+
-+ out:
-+ return err;
-+}
-+
-+/* parse mount options "base=" and "sto=" */
-+dentry_t *
-+mini_fo_parse_options(super_block_t *sb, char *options)
-+{
-+ dentry_t *hidden_root = ERR_PTR(-EINVAL);
-+ dentry_t *hidden_root2 = ERR_PTR(-EINVAL);
-+ struct nameidata nd, nd2;
-+ char *name, *tmp, *end;
-+ int err = 0;
-+
-+ /* We don't want to go off the end of our arguments later on. */
-+ for (end = options; *end; end++);
-+
-+ while (options < end) {
-+ tmp = options;
-+ while (*tmp && *tmp != ',')
-+ tmp++;
-+ *tmp = '\0';
-+ if (!strncmp("base=", options, 5)) {
-+ name = options + 5;
-+ printk(KERN_INFO "mini_fo: using base directory: %s\n", name);
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ if (path_init(name, LOOKUP_FOLLOW, &nd))
-+ err = path_walk(name, &nd);
-+#else
-+ err = path_lookup(name, LOOKUP_FOLLOW, &nd);
-+#endif
-+ if (err) {
-+ printk(KERN_CRIT "mini_fo: error accessing hidden directory '%s'\n", name);
-+ hidden_root = ERR_PTR(err);
-+ goto out;
-+ }
-+ hidden_root = nd.dentry;
-+ stopd(sb)->base_dir_dentry = nd.dentry;
-+ stopd(sb)->hidden_mnt = nd.mnt;
-+
-+ } else if(!strncmp("sto=", options, 4)) {
-+ /* parse the storage dir */
-+ name = options + 4;
-+ printk(KERN_INFO "mini_fo: using storage directory: %s\n", name);
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ if(path_init(name, LOOKUP_FOLLOW, &nd2))
-+ err = path_walk(name, &nd2);
-+#else
-+ err = path_lookup(name, LOOKUP_FOLLOW, &nd2);
-+#endif
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: error accessing hidden storage directory '%s'\n", name);
-+
-+ hidden_root2 = ERR_PTR(err);
-+ goto out;
-+ }
-+ hidden_root2 = nd2.dentry;
-+ stopd(sb)->storage_dir_dentry = nd2.dentry;
-+ stopd(sb)->hidden_mnt2 = nd2.mnt;
-+ stohs2(sb) = hidden_root2->d_sb;
-+
-+ /* validate storage dir, this is done in
-+ * mini_fo_read_super for the base directory.
-+ */
-+ if (IS_ERR(hidden_root2)) {
-+ printk(KERN_WARNING "mini_fo_parse_options: storage dentry lookup failed (err = %ld)\n", PTR_ERR(hidden_root2));
-+ goto out;
-+ }
-+ if (!hidden_root2->d_inode) {
-+ printk(KERN_WARNING "mini_fo_parse_options: no storage dir to interpose on.\n");
-+ goto out;
-+ }
-+ stohs2(sb) = hidden_root2->d_sb;
-+ } else {
-+ printk(KERN_WARNING "mini_fo: unrecognized option '%s'\n", options);
-+ hidden_root = ERR_PTR(-EINVAL);
-+ goto out;
-+ }
-+ options = tmp + 1;
-+ }
-+
-+ out:
-+ if(IS_ERR(hidden_root2))
-+ return hidden_root2;
-+ return hidden_root;
-+}
-+
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+static int
-+#else
-+super_block_t *
-+#endif
-+mini_fo_read_super(super_block_t *sb, void *raw_data, int silent)
-+{
-+ dentry_t *hidden_root;
-+ int err = 0;
-+
-+ if (!raw_data) {
-+ printk(KERN_WARNING "mini_fo_read_super: missing argument\n");
-+ err = -EINVAL;
-+ goto out;
-+ }
-+ /*
-+ * Allocate superblock private data
-+ */
-+ __stopd(sb) = kmalloc(sizeof(struct mini_fo_sb_info), GFP_KERNEL);
-+ if (!stopd(sb)) {
-+ printk(KERN_WARNING "%s: out of memory\n", __FUNCTION__);
-+ err = -ENOMEM;
-+ goto out;
-+ }
-+ stohs(sb) = NULL;
-+
-+ hidden_root = mini_fo_parse_options(sb, raw_data);
-+ if (IS_ERR(hidden_root)) {
-+ printk(KERN_WARNING "mini_fo_read_super: lookup_dentry failed (err = %ld)\n", PTR_ERR(hidden_root));
-+ err = PTR_ERR(hidden_root);
-+ goto out_free;
-+ }
-+ if (!hidden_root->d_inode) {
-+ printk(KERN_WARNING "mini_fo_read_super: no directory to interpose on\n");
-+ goto out_free;
-+ }
-+ stohs(sb) = hidden_root->d_sb;
-+
-+ /*
-+ * Linux 2.4.2-ac3 and beyond has code in
-+ * mm/filemap.c:generic_file_write() that requires sb->s_maxbytes
-+ * to be populated. If not set, all write()s under that sb will
-+ * return 0.
-+ *
-+ * Linux 2.4.4+ automatically sets s_maxbytes to MAX_NON_LFS;
-+ * the filesystem should override it only if it supports LFS.
-+ */
-+ /* non-SCA code is good to go with LFS */
-+ sb->s_maxbytes = hidden_root->d_sb->s_maxbytes;
-+
-+ sb->s_op = &mini_fo_sops;
-+ /*
-+ * we can't use d_alloc_root if we want to use
-+ * our own interpose function unchanged,
-+ * so we simply replicate *most* of the code in d_alloc_root here
-+ */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ sb->s_root = d_alloc(NULL, &(const struct qstr) { "/", 1, 0 });
-+#else
-+ sb->s_root = d_alloc(NULL, &(const struct qstr){hash: 0, name: "/", len : 1});
-+#endif
-+ if (IS_ERR(sb->s_root)) {
-+ printk(KERN_WARNING "mini_fo_read_super: d_alloc failed\n");
-+ err = -ENOMEM;
-+ goto out_dput;
-+ }
-+
-+ sb->s_root->d_op = &mini_fo_dops;
-+ sb->s_root->d_sb = sb;
-+ sb->s_root->d_parent = sb->s_root;
-+
-+ /* link the upper and lower dentries */
-+ __dtopd(sb->s_root) = (struct mini_fo_dentry_info *)
-+ kmalloc(sizeof(struct mini_fo_dentry_info), GFP_KERNEL);
-+ if (!dtopd(sb->s_root)) {
-+ err = -ENOMEM;
-+ goto out_dput2;
-+ }
-+ dtopd(sb->s_root)->state = MODIFIED;
-+ dtohd(sb->s_root) = hidden_root;
-+
-+ /* fanout relevant, interpose on storage root dentry too */
-+ dtohd2(sb->s_root) = stopd(sb)->storage_dir_dentry;
-+
-+ /* ...and call tri-interpose to interpose root dir inodes
-+ * if (mini_fo_interpose(hidden_root, sb->s_root, sb, 0))
-+ */
-+ if(mini_fo_tri_interpose(hidden_root, dtohd2(sb->s_root), sb->s_root, sb, 0))
-+ goto out_dput2;
-+
-+ /* initalize the wol list */
-+ itopd(sb->s_root->d_inode)->deleted_list_size = -1;
-+ itopd(sb->s_root->d_inode)->renamed_list_size = -1;
-+ meta_build_lists(sb->s_root);
-+
-+ goto out;
-+
-+ out_dput2:
-+ dput(sb->s_root);
-+ out_dput:
-+ dput(hidden_root);
-+ dput(dtohd2(sb->s_root)); /* release the hidden_sto_dentry too */
-+ out_free:
-+ kfree(stopd(sb));
-+ __stopd(sb) = NULL;
-+ out:
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ return err;
-+#else
-+ if (err) {
-+ return ERR_PTR(err);
-+ } else {
-+ return sb;
-+ }
-+#endif
-+}
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+static int mini_fo_get_sb(struct file_system_type *fs_type,
-+ int flags, const char *dev_name,
-+ void *raw_data, struct vfsmount *mnt)
-+{
-+ return get_sb_nodev(fs_type, flags, raw_data, mini_fo_read_super, mnt);
-+}
-+#else
-+static struct super_block *mini_fo_get_sb(struct file_system_type *fs_type,
-+ int flags, const char *dev_name,
-+ void *raw_data)
-+{
-+ return get_sb_nodev(fs_type, flags, raw_data, mini_fo_read_super);
-+}
-+#endif
-+
-+void mini_fo_kill_block_super(struct super_block *sb)
-+{
-+ generic_shutdown_super(sb);
-+ /*
-+ * XXX: BUG: Halcrow: Things get unstable sometime after this point:
-+ * lib/rwsem-spinlock.c:127: spin_is_locked on uninitialized
-+ * fs/fs-writeback.c:402: spin_lock(fs/super.c:a0381828) already
-+ * locked by fs/fs-writeback.c/402
-+ *
-+ * Apparently, someone's not releasing a lock on sb_lock...
-+ */
-+}
-+
-+static struct file_system_type mini_fo_fs_type = {
-+ .owner = THIS_MODULE,
-+ .name = "mini_fo",
-+ .get_sb = mini_fo_get_sb,
-+ .kill_sb = mini_fo_kill_block_super,
-+ .fs_flags = 0,
-+};
-+
-+
-+#else
-+static DECLARE_FSTYPE(mini_fo_fs_type, "mini_fo", mini_fo_read_super, 0);
-+#endif
-+
-+static int __init init_mini_fo_fs(void)
-+{
-+ printk("Registering mini_fo version $Id$\n");
-+ return register_filesystem(&mini_fo_fs_type);
-+}
-+static void __exit exit_mini_fo_fs(void)
-+{
-+ printk("Unregistering mini_fo version $Id$\n");
-+ unregister_filesystem(&mini_fo_fs_type);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+EXPORT_NO_SYMBOLS;
-+#endif
-+
-+MODULE_AUTHOR("Erez Zadok <ezk@cs.sunysb.edu>");
-+MODULE_DESCRIPTION("FiST-generated mini_fo filesystem");
-+MODULE_LICENSE("GPL");
-+
-+/* MODULE_PARM(fist_debug_var, "i"); */
-+/* MODULE_PARM_DESC(fist_debug_var, "Debug level"); */
-+
-+module_init(init_mini_fo_fs)
-+module_exit(exit_mini_fo_fs)
---- /dev/null
-+++ b/fs/mini_fo/Makefile
-@@ -0,0 +1,17 @@
-+#
-+# Makefile for mini_fo 2.4 and 2.6 Linux kernels
-+#
-+# Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+#
-+# This program is free software; you can redistribute it and/or
-+# modify it under the terms of the GNU General Public License
-+# as published by the Free Software Foundation; either version
-+# 2 of the License, or (at your option) any later version.
-+#
-+
-+obj-$(CONFIG_MINI_FO) := mini_fo.o
-+mini_fo-objs := meta.o dentry.o file.o inode.o main.o super.o state.o aux.o
-+
-+# dependencies
-+${mini_fo-objs}: mini_fo.h fist.h
-+
---- /dev/null
-+++ b/fs/mini_fo/meta.c
-@@ -0,0 +1,1000 @@
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif /* HAVE_CONFIG_H */
-+#include "fist.h"
-+#include "mini_fo.h"
-+
-+int meta_build_lists(dentry_t *dentry)
-+{
-+ struct mini_fo_inode_info *inode_info;
-+
-+ dentry_t *meta_dentry = 0;
-+ file_t *meta_file = 0;
-+ mm_segment_t old_fs;
-+ void *buf;
-+
-+ int bytes, len;
-+ struct vfsmount *meta_mnt;
-+ char *entry;
-+
-+ inode_info = itopd(dentry->d_inode);
-+ if(!(inode_info->deleted_list_size == -1 &&
-+ inode_info->renamed_list_size == -1)) {
-+ printk(KERN_CRIT "mini_fo: meta_build_lists: \
-+ Error, list(s) not virgin.\n");
-+ return -1;
-+ }
-+
-+ /* init our meta lists */
-+ INIT_LIST_HEAD(&inode_info->deleted_list);
-+ inode_info->deleted_list_size = 0;
-+
-+ INIT_LIST_HEAD(&inode_info->renamed_list);
-+ inode_info->renamed_list_size = 0;
-+
-+ /* might there be a META-file? */
-+ if(dtohd2(dentry) && dtohd2(dentry)->d_inode) {
-+ meta_dentry = lookup_one_len(META_FILENAME,
-+ dtohd2(dentry),
-+ strlen(META_FILENAME));
-+ if(!meta_dentry->d_inode) {
-+ dput(meta_dentry);
-+ goto out_ok;
-+ }
-+ /* $%& err, is this correct? */
-+ meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
-+ mntget(meta_mnt);
-+
-+
-+ /* open META-file for reading */
-+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x0);
-+ if(!meta_file || IS_ERR(meta_file)) {
-+ printk(KERN_CRIT "mini_fo: meta_build_lists: \
-+ ERROR opening META file.\n");
-+ goto out_err;
-+ }
-+
-+ /* check if fs supports reading */
-+ if(!meta_file->f_op->read) {
-+ printk(KERN_CRIT "mini_fo: meta_build_lists: \
-+ ERROR, fs does not support reading.\n");
-+ goto out_err_close;
-+ }
-+
-+ /* allocate a page for transfering the data */
-+ buf = (void *) __get_free_page(GFP_KERNEL);
-+ if(!buf) {
-+ printk(KERN_CRIT "mini_fo: meta_build_lists: \
-+ ERROR, out of mem.\n");
-+ goto out_err_close;
-+ }
-+ meta_file->f_pos = 0;
-+ old_fs = get_fs();
-+ set_fs(KERNEL_DS);
-+ do {
-+ char *c;
-+ bytes = meta_file->f_op->read(meta_file, buf, PAGE_SIZE, &meta_file->f_pos);
-+ if(bytes == PAGE_SIZE) {
-+ /* trim a cut off filename and adjust f_pos to get it next time */
-+ for(c = (char*) buf+PAGE_SIZE;
-+ *c != '\n';
-+ c--, bytes--, meta_file->f_pos--);
-+ }
-+ entry = (char *) buf;
-+ while(entry < (char *) buf+bytes) {
-+
-+ char *old_path;
-+ char *dir_name;
-+ int old_len, new_len;
-+
-+ /* len without '\n'*/
-+ len = (int) (strchr(entry, '\n') - entry);
-+ switch (*entry) {
-+ case 'D':
-+ /* format: "D filename" */
-+ meta_list_add_d_entry(dentry,
-+ entry+2,
-+ len-2);
-+ break;
-+ case 'R':
-+ /* format: "R path/xy/dir newDir" */
-+ old_path = entry+2;
-+ dir_name = strchr(old_path, ' ') + 1;
-+ old_len = dir_name - old_path - 1;
-+ new_len = ((int) entry) + len - ((int ) dir_name);
-+ meta_list_add_r_entry(dentry,
-+ old_path,
-+ old_len,
-+ dir_name,
-+ new_len);
-+ break;
-+ default:
-+ /* unknown entry type detected */
-+ break;
-+ }
-+ entry += len+1;
-+ }
-+
-+ } while(meta_file->f_pos < meta_dentry->d_inode->i_size);
-+
-+ free_page((unsigned long) buf);
-+ set_fs(old_fs);
-+ fput(meta_file);
-+ }
-+ goto out_ok;
-+
-+ out_err_close:
-+ fput(meta_file);
-+ out_err:
-+ mntput(meta_mnt);
-+ dput(meta_dentry);
-+ return -1;
-+ out_ok:
-+ return 1; /* check this!!! inode_info->wol_size; */
-+}
-+
-+/* cleanups up all lists and free's the mem by dentry */
-+int meta_put_lists(dentry_t *dentry)
-+{
-+ if(!dentry || !dentry->d_inode) {
-+ printk("mini_fo: meta_put_lists: invalid dentry passed.\n");
-+ return -1;
-+ }
-+ return __meta_put_lists(dentry->d_inode);
-+}
-+
-+/* cleanups up all lists and free's the mem by inode */
-+int __meta_put_lists(inode_t *inode)
-+{
-+ int err = 0;
-+ if(!inode || !itopd(inode)) {
-+ printk("mini_fo: __meta_put_lists: invalid inode passed.\n");
-+ return -1;
-+ }
-+ err = __meta_put_d_list(inode);
-+ err |= __meta_put_r_list(inode);
-+ return err;
-+}
-+
-+int meta_sync_lists(dentry_t *dentry)
-+{
-+ int err = 0;
-+ if(!dentry || !dentry->d_inode) {
-+ printk("mini_fo: meta_sync_lists: \
-+ invalid dentry passed.\n");
-+ return -1;
-+ }
-+ err = meta_sync_d_list(dentry, 0);
-+ err |= meta_sync_r_list(dentry, 1);
-+ return err;
-+}
-+
-+
-+/* remove all D entries from the renamed list and free the mem */
-+int __meta_put_d_list(inode_t *inode)
-+{
-+ struct list_head *tmp;
-+ struct deleted_entry *del_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ if(!inode || !itopd(inode)) {
-+ printk(KERN_CRIT "mini_fo: __meta_put_d_list: \
-+ invalid inode passed.\n");
-+ return -1;
-+ }
-+ inode_info = itopd(inode);
-+
-+ /* nuke the DELETED-list */
-+ if(inode_info->deleted_list_size <= 0)
-+ return 0;
-+
-+ while(!list_empty(&inode_info->deleted_list)) {
-+ tmp = inode_info->deleted_list.next;
-+ list_del(tmp);
-+ del_entry = list_entry(tmp, struct deleted_entry, list);
-+ kfree(del_entry->name);
-+ kfree(del_entry);
-+ }
-+ inode_info->deleted_list_size = 0;
-+
-+ return 0;
-+}
-+
-+/* remove all R entries from the renamed list and free the mem */
-+int __meta_put_r_list(inode_t *inode)
-+{
-+ struct list_head *tmp;
-+ struct renamed_entry *ren_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ if(!inode || !itopd(inode)) {
-+ printk(KERN_CRIT "mini_fo: meta_put_r_list: invalid inode.\n");
-+ return -1;
-+ }
-+ inode_info = itopd(inode);
-+
-+ /* nuke the RENAMED-list */
-+ if(inode_info->renamed_list_size <= 0)
-+ return 0;
-+
-+ while(!list_empty(&inode_info->renamed_list)) {
-+ tmp = inode_info->renamed_list.next;
-+ list_del(tmp);
-+ ren_entry = list_entry(tmp, struct renamed_entry, list);
-+ kfree(ren_entry->new_name);
-+ kfree(ren_entry->old_name);
-+ kfree(ren_entry);
-+ }
-+ inode_info->renamed_list_size = 0;
-+
-+ return 0;
-+}
-+
-+int meta_add_d_entry(dentry_t *dentry, const char *name, int len)
-+{
-+ int err = 0;
-+ err = meta_list_add_d_entry(dentry, name, len);
-+ err |= meta_write_d_entry(dentry,name,len);
-+ return err;
-+}
-+
-+/* add a D entry to the deleted list */
-+int meta_list_add_d_entry(dentry_t *dentry, const char *name, int len)
-+{
-+ struct deleted_entry *del_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ if(!dentry || !dentry->d_inode) {
-+ printk(KERN_CRIT "mini_fo: meta_list_add_d_entry: \
-+ invalid dentry passed.\n");
-+ return -1;
-+ }
-+ inode_info = itopd(dentry->d_inode);
-+
-+ if(inode_info->deleted_list_size < 0)
-+ return -1;
-+
-+ del_entry = (struct deleted_entry *)
-+ kmalloc(sizeof(struct deleted_entry), GFP_KERNEL);
-+ del_entry->name = (char*) kmalloc(len, GFP_KERNEL);
-+ if(!del_entry || !del_entry->name) {
-+ printk(KERN_CRIT "mini_fo: meta_list_add_d_entry: \
-+ out of mem.\n");
-+ kfree(del_entry->name);
-+ kfree(del_entry);
-+ return -ENOMEM;
-+ }
-+
-+ strncpy(del_entry->name, name, len);
-+ del_entry->len = len;
-+
-+ list_add(&del_entry->list, &inode_info->deleted_list);
-+ inode_info->deleted_list_size++;
-+ return 0;
-+}
-+
-+int meta_add_r_entry(dentry_t *dentry,
-+ const char *old_name, int old_len,
-+ const char *new_name, int new_len)
-+{
-+ int err = 0;
-+ err = meta_list_add_r_entry(dentry,
-+ old_name, old_len,
-+ new_name, new_len);
-+ err |= meta_write_r_entry(dentry,
-+ old_name, old_len,
-+ new_name, new_len);
-+ return err;
-+}
-+
-+/* add a R entry to the renamed list */
-+int meta_list_add_r_entry(dentry_t *dentry,
-+ const char *old_name, int old_len,
-+ const char *new_name, int new_len)
-+{
-+ struct renamed_entry *ren_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ if(!dentry || !dentry->d_inode) {
-+ printk(KERN_CRIT "mini_fo: meta_list_add_r_entry: \
-+ invalid dentry passed.\n");
-+ return -1;
-+ }
-+ inode_info = itopd(dentry->d_inode);
-+
-+ if(inode_info->renamed_list_size < 0)
-+ return -1;
-+
-+ ren_entry = (struct renamed_entry *)
-+ kmalloc(sizeof(struct renamed_entry), GFP_KERNEL);
-+ ren_entry->old_name = (char*) kmalloc(old_len, GFP_KERNEL);
-+ ren_entry->new_name = (char*) kmalloc(new_len, GFP_KERNEL);
-+
-+ if(!ren_entry || !ren_entry->old_name || !ren_entry->new_name) {
-+ printk(KERN_CRIT "mini_fo: meta_list_add_r_entry: \
-+ out of mem.\n");
-+ kfree(ren_entry->new_name);
-+ kfree(ren_entry->old_name);
-+ kfree(ren_entry);
-+ return -ENOMEM;
-+ }
-+
-+ strncpy(ren_entry->old_name, old_name, old_len);
-+ ren_entry->old_len = old_len;
-+ strncpy(ren_entry->new_name, new_name, new_len);
-+ ren_entry->new_len = new_len;
-+
-+ list_add(&ren_entry->list, &inode_info->renamed_list);
-+ inode_info->renamed_list_size++;
-+ return 0;
-+}
-+
-+
-+int meta_remove_r_entry(dentry_t *dentry, const char *name, int len)
-+{
-+ int err = 0;
-+ if(!dentry || !dentry->d_inode) {
-+ printk(KERN_CRIT
-+ "mini_fo: meta_remove_r_entry: \
-+ invalid dentry passed.\n");
-+ return -1;
-+ }
-+
-+ err = meta_list_remove_r_entry(dentry, name, len);
-+ err |= meta_sync_lists(dentry);
-+ return err;
-+}
-+
-+int meta_list_remove_r_entry(dentry_t *dentry, const char *name, int len)
-+{
-+ if(!dentry || !dentry->d_inode) {
-+ printk(KERN_CRIT
-+ "mini_fo: meta_list_remove_r_entry: \
-+ invalid dentry passed.\n");
-+ return -1;
-+ }
-+ return __meta_list_remove_r_entry(dentry->d_inode, name, len);
-+}
-+
-+int __meta_list_remove_r_entry(inode_t *inode, const char *name, int len)
-+{
-+ struct list_head *tmp;
-+ struct renamed_entry *ren_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ if(!inode || !itopd(inode))
-+ printk(KERN_CRIT
-+ "mini_fo: __meta_list_remove_r_entry: \
-+ invalid inode passed.\n");
-+ inode_info = itopd(inode);
-+
-+ if(inode_info->renamed_list_size < 0)
-+ return -1;
-+ if(inode_info->renamed_list_size == 0)
-+ return 1;
-+
-+ list_for_each(tmp, &inode_info->renamed_list) {
-+ ren_entry = list_entry(tmp, struct renamed_entry, list);
-+ if(ren_entry->new_len != len)
-+ continue;
-+
-+ if(!strncmp(ren_entry->new_name, name, len)) {
-+ list_del(tmp);
-+ kfree(ren_entry->new_name);
-+ kfree(ren_entry->old_name);
-+ kfree(ren_entry);
-+ inode_info->renamed_list_size--;
-+ return 0;
-+ }
-+ }
-+ return 1;
-+}
-+
-+
-+/* append a single D entry to the meta file */
-+int meta_write_d_entry(dentry_t *dentry, const char *name, int len)
-+{
-+ dentry_t *meta_dentry = 0;
-+ file_t *meta_file = 0;
-+ mm_segment_t old_fs;
-+
-+ int bytes, err;
-+ struct vfsmount *meta_mnt = 0;
-+ char *buf;
-+
-+ err = 0;
-+
-+ if(itopd(dentry->d_inode)->deleted_list_size < 0) {
-+ err = -1;
-+ goto out;
-+ }
-+
-+ if(dtopd(dentry)->state == UNMODIFIED) {
-+ err = build_sto_structure(dentry->d_parent, dentry);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: meta_write_d_entry: \
-+ build_sto_structure failed.\n");
-+ goto out;
-+ }
-+ }
-+ meta_dentry = lookup_one_len(META_FILENAME,
-+ dtohd2(dentry), strlen (META_FILENAME));
-+
-+ /* We need to create a META-file */
-+ if(!meta_dentry->d_inode) {
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ vfs_create(dtohd2(dentry)->d_inode,
-+ meta_dentry,
-+ S_IRUSR | S_IWUSR,
-+ NULL);
-+#else
-+ vfs_create(dtohd2(dentry)->d_inode,
-+ meta_dentry,
-+ S_IRUSR | S_IWUSR);
-+#endif
-+ }
-+ /* open META-file for writing */
-+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
-+ if(!meta_file || IS_ERR(meta_file)) {
-+ printk(KERN_CRIT "mini_fo: meta_write_d_entry: \
-+ ERROR opening meta file.\n");
-+ mntput(meta_mnt); /* $%& is this necessary? */
-+ dput(meta_dentry);
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* check if fs supports writing */
-+ if(!meta_file->f_op->write) {
-+ printk(KERN_CRIT "mini_fo: meta_write_d_entry: \
-+ ERROR, fs does not support writing.\n");
-+ goto out_err_close;
-+ }
-+
-+ meta_file->f_pos = meta_dentry->d_inode->i_size; /* append */
-+ old_fs = get_fs();
-+ set_fs(KERNEL_DS);
-+
-+ /* size: len for name, 1 for \n and 2 for "D " */
-+ buf = (char *) kmalloc(len+3, GFP_KERNEL);
-+ if (!buf) {
-+ printk(KERN_CRIT "mini_fo: meta_write_d_entry: \
-+ out of mem.\n");
-+ return -ENOMEM;
-+ }
-+
-+ buf[0] = 'D';
-+ buf[1] = ' ';
-+ strncpy(buf+2, name, len);
-+ buf[len+2] = '\n';
-+ bytes = meta_file->f_op->write(meta_file, buf, len+3,
-+ &meta_file->f_pos);
-+ if(bytes != len+3) {
-+ printk(KERN_CRIT "mini_fo: meta_write_d_entry: \
-+ ERROR writing.\n");
-+ err = -1;
-+ }
-+ kfree(buf);
-+ set_fs(old_fs);
-+
-+ out_err_close:
-+ fput(meta_file);
-+ out:
-+ return err;
-+}
-+
-+/* append a single R entry to the meta file */
-+int meta_write_r_entry(dentry_t *dentry,
-+ const char *old_name, int old_len,
-+ const char *new_name, int new_len)
-+{
-+ dentry_t *meta_dentry = 0;
-+ file_t *meta_file = 0;
-+ mm_segment_t old_fs;
-+
-+ int bytes, err, buf_len;
-+ struct vfsmount *meta_mnt = 0;
-+ char *buf;
-+
-+
-+ err = 0;
-+
-+ if(itopd(dentry->d_inode)->renamed_list_size < 0) {
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* build the storage structure? */
-+ if(dtopd(dentry)->state == UNMODIFIED) {
-+ err = build_sto_structure(dentry->d_parent, dentry);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: meta_write_r_entry: \
-+ build_sto_structure failed.\n");
-+ goto out;
-+ }
-+ }
-+ meta_dentry = lookup_one_len(META_FILENAME,
-+ dtohd2(dentry),
-+ strlen (META_FILENAME));
-+ if(!meta_dentry->d_inode) {
-+ /* We need to create a META-file */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ vfs_create(dtohd2(dentry)->d_inode,
-+ meta_dentry, S_IRUSR | S_IWUSR, NULL);
-+#else
-+ vfs_create(dtohd2(dentry)->d_inode,
-+ meta_dentry, S_IRUSR | S_IWUSR);
-+#endif
-+ }
-+ /* open META-file for writing */
-+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
-+ if(!meta_file || IS_ERR(meta_file)) {
-+ printk(KERN_CRIT "mini_fo: meta_write_r_entry: \
-+ ERROR opening meta file.\n");
-+ mntput(meta_mnt);
-+ dput(meta_dentry);
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* check if fs supports writing */
-+ if(!meta_file->f_op->write) {
-+ printk(KERN_CRIT "mini_fo: meta_write_r_entry: \
-+ ERROR, fs does not support writing.\n");
-+ goto out_err_close;
-+ }
-+
-+ meta_file->f_pos = meta_dentry->d_inode->i_size; /* append */
-+ old_fs = get_fs();
-+ set_fs(KERNEL_DS);
-+
-+ /* size: 2 for "R ", old_len+new_len for names, 1 blank+1 \n */
-+ buf_len = old_len + new_len + 4;
-+ buf = (char *) kmalloc(buf_len, GFP_KERNEL);
-+ if (!buf) {
-+ printk(KERN_CRIT "mini_fo: meta_write_r_entry: out of mem.\n");
-+ return -ENOMEM;
-+ }
-+
-+ buf[0] = 'R';
-+ buf[1] = ' ';
-+ strncpy(buf + 2, old_name, old_len);
-+ buf[old_len + 2] = ' ';
-+ strncpy(buf + old_len + 3, new_name, new_len);
-+ buf[buf_len -1] = '\n';
-+ bytes = meta_file->f_op->write(meta_file, buf, buf_len, &meta_file->f_pos);
-+ if(bytes != buf_len) {
-+ printk(KERN_CRIT "mini_fo: meta_write_r_entry: ERROR writing.\n");
-+ err = -1;
-+ }
-+
-+ kfree(buf);
-+ set_fs(old_fs);
-+
-+ out_err_close:
-+ fput(meta_file);
-+ out:
-+ return err;
-+}
-+
-+/* sync D list to disk, append data if app_flag is 1 */
-+/* check the meta_mnt, which seems not to be used (properly) */
-+
-+int meta_sync_d_list(dentry_t *dentry, int app_flag)
-+{
-+ dentry_t *meta_dentry;
-+ file_t *meta_file;
-+ mm_segment_t old_fs;
-+
-+ int bytes, err;
-+ struct vfsmount *meta_mnt;
-+ char *buf;
-+
-+ struct list_head *tmp;
-+ struct deleted_entry *del_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ err = 0;
-+ meta_file=0;
-+ meta_mnt=0;
-+
-+ if(!dentry || !dentry->d_inode) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
-+ invalid inode passed.\n");
-+ err = -1;
-+ goto out;
-+ }
-+ inode_info = itopd(dentry->d_inode);
-+
-+ if(inode_info->deleted_list_size < 0) {
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* ok, there is something to sync */
-+
-+ /* build the storage structure? */
-+ if(!dtohd2(dentry) && !itohi2(dentry->d_inode)) {
-+ err = build_sto_structure(dentry->d_parent, dentry);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
-+ build_sto_structure failed.\n");
-+ goto out;
-+ }
-+ }
-+ meta_dentry = lookup_one_len(META_FILENAME,
-+ dtohd2(dentry),
-+ strlen(META_FILENAME));
-+ if(!meta_dentry->d_inode) {
-+ /* We need to create a META-file */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ vfs_create(dtohd2(dentry)->d_inode,
-+ meta_dentry, S_IRUSR | S_IWUSR, NULL);
-+#else
-+ vfs_create(dtohd2(dentry)->d_inode,
-+ meta_dentry, S_IRUSR | S_IWUSR);
-+#endif
-+ app_flag = 0;
-+ }
-+ /* need we truncate the meta file? */
-+ if(!app_flag) {
-+ struct iattr newattrs;
-+ newattrs.ia_size = 0;
-+ newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&meta_dentry->d_inode->i_mutex);
-+#else
-+ down(&meta_dentry->d_inode->i_sem);
-+#endif
-+ err = notify_change(meta_dentry, &newattrs);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&meta_dentry->d_inode->i_mutex);
-+#else
-+ up(&meta_dentry->d_inode->i_sem);
-+#endif
-+
-+ if(err || meta_dentry->d_inode->i_size != 0) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
-+ ERROR truncating meta file.\n");
-+ goto out_err_close;
-+ }
-+ }
-+
-+ /* open META-file for writing */
-+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
-+ if(!meta_file || IS_ERR(meta_file)) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
-+ ERROR opening meta file.\n");
-+ /* we don't mntget so we dont't mntput (for now)
-+ * mntput(meta_mnt);
-+ */
-+ dput(meta_dentry);
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* check if fs supports writing */
-+ if(!meta_file->f_op->write) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
-+ ERROR, fs does not support writing.\n");
-+ goto out_err_close;
-+ }
-+
-+ meta_file->f_pos = meta_dentry->d_inode->i_size; /* append */
-+ old_fs = get_fs();
-+ set_fs(KERNEL_DS);
-+
-+ /* here we go... */
-+ list_for_each(tmp, &inode_info->deleted_list) {
-+ del_entry = list_entry(tmp, struct deleted_entry, list);
-+
-+ /* size: len for name, 1 for \n and 2 for "D " */
-+ buf = (char *) kmalloc(del_entry->len+3, GFP_KERNEL);
-+ if (!buf) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
-+ out of mem.\n");
-+ return -ENOMEM;
-+ }
-+
-+ buf[0] = 'D';
-+ buf[1] = ' ';
-+ strncpy(buf+2, del_entry->name, del_entry->len);
-+ buf[del_entry->len+2] = '\n';
-+ bytes = meta_file->f_op->write(meta_file, buf,
-+ del_entry->len+3,
-+ &meta_file->f_pos);
-+ if(bytes != del_entry->len+3) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
-+ ERROR writing.\n");
-+ err |= -1;
-+ }
-+ kfree(buf);
-+ }
-+ set_fs(old_fs);
-+
-+ out_err_close:
-+ fput(meta_file);
-+ out:
-+ return err;
-+
-+}
-+
-+int meta_sync_r_list(dentry_t *dentry, int app_flag)
-+{
-+ dentry_t *meta_dentry;
-+ file_t *meta_file;
-+ mm_segment_t old_fs;
-+
-+ int bytes, err, buf_len;
-+ struct vfsmount *meta_mnt;
-+ char *buf;
-+
-+ struct list_head *tmp;
-+ struct renamed_entry *ren_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ err = 0;
-+ meta_file=0;
-+ meta_mnt=0;
-+
-+ if(!dentry || !dentry->d_inode) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
-+ invalid dentry passed.\n");
-+ err = -1;
-+ goto out;
-+ }
-+ inode_info = itopd(dentry->d_inode);
-+
-+ if(inode_info->deleted_list_size < 0) {
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* ok, there is something to sync */
-+
-+ /* build the storage structure? */
-+ if(!dtohd2(dentry) && !itohi2(dentry->d_inode)) {
-+ err = build_sto_structure(dentry->d_parent, dentry);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
-+ build_sto_structure failed.\n");
-+ goto out;
-+ }
-+ }
-+ meta_dentry = lookup_one_len(META_FILENAME,
-+ dtohd2(dentry),
-+ strlen(META_FILENAME));
-+ if(!meta_dentry->d_inode) {
-+ /* We need to create a META-file */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ vfs_create(dtohd2(dentry)->d_inode,
-+ meta_dentry, S_IRUSR | S_IWUSR, NULL);
-+#else
-+ vfs_create(dtohd2(dentry)->d_inode,
-+ meta_dentry, S_IRUSR | S_IWUSR);
-+#endif
-+ app_flag = 0;
-+ }
-+ /* need we truncate the meta file? */
-+ if(!app_flag) {
-+ struct iattr newattrs;
-+ newattrs.ia_size = 0;
-+ newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&meta_dentry->d_inode->i_mutex);
-+#else
-+ down(&meta_dentry->d_inode->i_sem);
-+#endif
-+ err = notify_change(meta_dentry, &newattrs);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&meta_dentry->d_inode->i_mutex);
-+#else
-+ up(&meta_dentry->d_inode->i_sem);
-+#endif
-+ if(err || meta_dentry->d_inode->i_size != 0) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
-+ ERROR truncating meta file.\n");
-+ goto out_err_close;
-+ }
-+ }
-+
-+ /* open META-file for writing */
-+ meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
-+ if(!meta_file || IS_ERR(meta_file)) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
-+ ERROR opening meta file.\n");
-+ /* we don't mntget so we dont't mntput (for now)
-+ * mntput(meta_mnt);
-+ */
-+ dput(meta_dentry);
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* check if fs supports writing */
-+ if(!meta_file->f_op->write) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
-+ ERROR, fs does not support writing.\n");
-+ goto out_err_close;
-+ }
-+
-+ meta_file->f_pos = meta_dentry->d_inode->i_size; /* append */
-+ old_fs = get_fs();
-+ set_fs(KERNEL_DS);
-+
-+ /* here we go... */
-+ list_for_each(tmp, &inode_info->renamed_list) {
-+ ren_entry = list_entry(tmp, struct renamed_entry, list);
-+ /* size:
-+ * 2 for "R ", old_len+new_len for names, 1 blank+1 \n */
-+ buf_len = ren_entry->old_len + ren_entry->new_len + 4;
-+ buf = (char *) kmalloc(buf_len, GFP_KERNEL);
-+ if (!buf) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
-+ out of mem.\n");
-+ return -ENOMEM;
-+ }
-+ buf[0] = 'R';
-+ buf[1] = ' ';
-+ strncpy(buf + 2, ren_entry->old_name, ren_entry->old_len);
-+ buf[ren_entry->old_len + 2] = ' ';
-+ strncpy(buf + ren_entry->old_len + 3,
-+ ren_entry->new_name, ren_entry->new_len);
-+ buf[buf_len - 1] = '\n';
-+ bytes = meta_file->f_op->write(meta_file, buf,
-+ buf_len, &meta_file->f_pos);
-+ if(bytes != buf_len) {
-+ printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
-+ ERROR writing.\n");
-+ err |= -1;
-+ }
-+ kfree(buf);
-+ }
-+ set_fs(old_fs);
-+
-+ out_err_close:
-+ fput(meta_file);
-+ out:
-+ return err;
-+}
-+
-+int meta_check_d_entry(dentry_t *dentry, const char *name, int len)
-+{
-+ if(!dentry || !dentry->d_inode)
-+ printk(KERN_CRIT "mini_fo: meta_check_d_dentry: \
-+ invalid dentry passed.\n");
-+ return __meta_check_d_entry(dentry->d_inode, name, len);
-+}
-+
-+int __meta_check_d_entry(inode_t *inode, const char *name, int len)
-+{
-+ struct list_head *tmp;
-+ struct deleted_entry *del_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ if(!inode || !itopd(inode))
-+ printk(KERN_CRIT "mini_fo: __meta_check_d_dentry: \
-+ invalid inode passed.\n");
-+
-+ inode_info = itopd(inode);
-+
-+ if(inode_info->deleted_list_size <= 0)
-+ return 0;
-+
-+ list_for_each(tmp, &inode_info->deleted_list) {
-+ del_entry = list_entry(tmp, struct deleted_entry, list);
-+ if(del_entry->len != len)
-+ continue;
-+
-+ if(!strncmp(del_entry->name, name, len))
-+ return 1;
-+ }
-+ return 0;
-+}
-+
-+/*
-+ * check if file has been renamed and return path to orig. base dir.
-+ * Implements no error return values so far, what of course sucks.
-+ * String is null terminated.'
-+ */
-+char* meta_check_r_entry(dentry_t *dentry, const char *name, int len)
-+{
-+ if(!dentry || !dentry->d_inode) {
-+ printk(KERN_CRIT "mini_fo: meta_check_r_dentry: \
-+ invalid dentry passed.\n");
-+ return NULL;
-+ }
-+ return __meta_check_r_entry(dentry->d_inode, name, len);
-+}
-+
-+char* __meta_check_r_entry(inode_t *inode, const char *name, int len)
-+{
-+ struct list_head *tmp;
-+ struct renamed_entry *ren_entry;
-+ struct mini_fo_inode_info *inode_info;
-+ char *old_path;
-+
-+ if(!inode || !itopd(inode)) {
-+ printk(KERN_CRIT "mini_fo: meta_check_r_dentry: \
-+ invalid inode passed.\n");
-+ return NULL;
-+ }
-+ inode_info = itopd(inode);
-+
-+ if(inode_info->renamed_list_size <= 0)
-+ return NULL;
-+
-+ list_for_each(tmp, &inode_info->renamed_list) {
-+ ren_entry = list_entry(tmp, struct renamed_entry, list);
-+ if(ren_entry->new_len != len)
-+ continue;
-+
-+ if(!strncmp(ren_entry->new_name, name, len)) {
-+ old_path = (char *)
-+ kmalloc(ren_entry->old_len+1, GFP_KERNEL);
-+ strncpy(old_path,
-+ ren_entry->old_name,
-+ ren_entry->old_len);
-+ old_path[ren_entry->old_len]='\0';
-+ return old_path;
-+ }
-+ }
-+ return NULL;
-+}
-+
-+/*
-+ * This version only checks if entry exists and return:
-+ * 1 if exists,
-+ * 0 if not,
-+ * -1 if error.
-+ */
-+int meta_is_r_entry(dentry_t *dentry, const char *name, int len)
-+{
-+ if(!dentry || !dentry->d_inode) {
-+ printk(KERN_CRIT "mini_fo: meta_check_r_dentry [2]: \
-+ invalid dentry passed.\n");
-+ return -1;
-+ }
-+ return __meta_is_r_entry(dentry->d_inode, name, len);
-+}
-+
-+int __meta_is_r_entry(inode_t *inode, const char *name, int len)
-+{
-+ struct list_head *tmp;
-+ struct renamed_entry *ren_entry;
-+ struct mini_fo_inode_info *inode_info;
-+
-+ if(!inode || !itopd(inode)) {
-+ printk(KERN_CRIT "mini_fo: meta_check_r_dentry [2]: \
-+ invalid inode passed.\n");
-+ return -1;
-+ }
-+ inode_info = itopd(inode);
-+
-+ if(inode_info->renamed_list_size <= 0)
-+ return -1;
-+
-+ list_for_each(tmp, &inode_info->renamed_list) {
-+ ren_entry = list_entry(tmp, struct renamed_entry, list);
-+ if(ren_entry->new_len != len)
-+ continue;
-+
-+ if(!strncmp(ren_entry->new_name, name, len))
-+ return 1;
-+ }
-+ return 0;
-+}
-+
---- /dev/null
-+++ b/fs/mini_fo/mini_fo.h
-@@ -0,0 +1,510 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+/*
-+ * $Id$
-+ */
-+
-+#ifndef __MINI_FO_H_
-+#define __MINI_FO_H_
-+
-+#ifdef __KERNEL__
-+
-+/* META stuff */
-+#define META_FILENAME "META_dAfFgHE39ktF3HD2sr"
-+
-+/* use xattrs? */
-+#define XATTR
-+
-+/* File attributes that when changed, result in a file beeing copied to storage */
-+#define COPY_FLAGS ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_SIZE
-+
-+/*
-+ * mini_fo filestates
-+ */
-+#define MODIFIED 1
-+#define UNMODIFIED 2
-+#define CREATED 3
-+#define DEL_REWRITTEN 4
-+#define DELETED 5
-+#define NON_EXISTANT 6
-+
-+/* fist file systems superblock magic */
-+# define MINI_FO_SUPER_MAGIC 0xf15f
-+
-+/*
-+ * STRUCTURES:
-+ */
-+
-+/* mini_fo inode data in memory */
-+struct mini_fo_inode_info {
-+ inode_t *wii_inode;
-+ inode_t *wii_inode2; /* pointer to storage inode */
-+
-+ /* META-data lists */
-+ /* deleted list, ex wol */
-+ struct list_head deleted_list;
-+ int deleted_list_size;
-+
-+ /* renamed list */
-+ struct list_head renamed_list;
-+ int renamed_list_size;
-+
-+ /* add other lists here ... */
-+};
-+
-+/* mini_fo dentry data in memory */
-+struct mini_fo_dentry_info {
-+ dentry_t *wdi_dentry;
-+ dentry_t *wdi_dentry2; /* pointer to storage dentry */
-+ unsigned int state; /* state of the mini_fo dentry */
-+};
-+
-+
-+/* mini_fo super-block data in memory */
-+struct mini_fo_sb_info {
-+ super_block_t *wsi_sb, *wsi_sb2; /* mk: might point to the same sb */
-+ struct vfsmount *hidden_mnt, *hidden_mnt2;
-+ dentry_t *base_dir_dentry;
-+ dentry_t *storage_dir_dentry;
-+ ;
-+};
-+
-+/* readdir_data, readdir helper struct */
-+struct readdir_data {
-+ struct list_head ndl_list; /* linked list head ptr */
-+ int ndl_size; /* list size */
-+ int sto_done; /* flag to show that the storage dir entries have
-+ * all been read an now follow base entries */
-+};
-+
-+/* file private data. */
-+struct mini_fo_file_info {
-+ struct file *wfi_file;
-+ struct file *wfi_file2; /* pointer to storage file */
-+ struct readdir_data rd;
-+};
-+
-+/* struct ndl_entry */
-+struct ndl_entry {
-+ struct list_head list;
-+ char *name;
-+ int len;
-+};
-+
-+/********************************
-+ * META-data structures
-+ ********************************/
-+
-+/* deleted entry */
-+struct deleted_entry {
-+ struct list_head list;
-+ char *name;
-+ int len;
-+};
-+
-+/* renamed entry */
-+struct renamed_entry {
-+ struct list_head list;
-+ char *old_name; /* old directory with full path */
-+ int old_len; /* length of above string */
-+ char *new_name; /* new directory name */
-+ int new_len; /* length of above string */
-+};
-+
-+/* attr_change entry */
-+struct attr_change_entry {
-+ struct list_head list;
-+ char *name;
-+ int len;
-+};
-+
-+/* link entry */
-+struct link_entry {
-+ struct list_head list;
-+ int links_moved;
-+ int inum_base;
-+ int inum_sto;
-+ char *weird_name;
-+ int weird_name_len;
-+};
-+
-+
-+/* Some other stuff required for mini_fo_filldir64, copied from
-+ * fs/readdir.c
-+ */
-+
-+#define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
-+#define NAME_OFFSET(de) ((int) ((de)->d_name - (char *) (de)))
-+
-+
-+struct linux_dirent64 {
-+ u64 d_ino;
-+ s64 d_off;
-+ unsigned short d_reclen;
-+ unsigned char d_type;
-+ char d_name[0];
-+};
-+
-+
-+struct getdents_callback64 {
-+ struct linux_dirent64 * current_dir;
-+ struct linux_dirent64 * previous;
-+ int count;
-+ int error;
-+};
-+
-+struct linux_dirent {
-+ unsigned long d_ino;
-+ unsigned long d_off;
-+ unsigned short d_reclen;
-+ char d_name[1];
-+};
-+
-+struct getdents_callback {
-+ struct linux_dirent * current_dir;
-+ struct linux_dirent * previous;
-+ int count;
-+ int error;
-+};
-+
-+
-+/*
-+ * MACROS:
-+ */
-+
-+/* file TO private_data */
-+# define ftopd(file) ((struct mini_fo_file_info *)((file)->private_data))
-+# define __ftopd(file) ((file)->private_data)
-+/* file TO hidden_file */
-+# define ftohf(file) ((ftopd(file))->wfi_file)
-+# define ftohf2(file) ((ftopd(file))->wfi_file2)
-+
-+/* inode TO private_data */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+# define itopd(ino) ((struct mini_fo_inode_info *)(ino)->i_private)
-+# define __itopd(ino) ((ino)->i_private)
-+#else
-+# define itopd(ino) ((struct mini_fo_inode_info *)(ino)->u.generic_ip)
-+# define __itopd(ino) ((ino)->u.generic_ip)
-+#endif
-+/* inode TO hidden_inode */
-+# define itohi(ino) (itopd(ino)->wii_inode)
-+# define itohi2(ino) (itopd(ino)->wii_inode2)
-+
-+/* superblock TO private_data */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+# define stopd(super) ((struct mini_fo_sb_info *)(super)->s_fs_info)
-+# define __stopd(super) ((super)->s_fs_info)
-+#else
-+# define stopd(super) ((struct mini_fo_sb_info *)(super)->u.generic_sbp)
-+# define __stopd(super) ((super)->u.generic_sbp)
-+#endif
-+
-+/* unused? # define vfs2priv stopd */
-+/* superblock TO hidden_superblock */
-+
-+# define stohs(super) (stopd(super)->wsi_sb)
-+# define stohs2(super) (stopd(super)->wsi_sb2)
-+
-+/* dentry TO private_data */
-+# define dtopd(dentry) ((struct mini_fo_dentry_info *)(dentry)->d_fsdata)
-+# define __dtopd(dentry) ((dentry)->d_fsdata)
-+/* dentry TO hidden_dentry */
-+# define dtohd(dent) (dtopd(dent)->wdi_dentry)
-+# define dtohd2(dent) (dtopd(dent)->wdi_dentry2)
-+
-+/* dentry to state */
-+# define dtost(dent) (dtopd(dent)->state)
-+# define sbt(sb) ((sb)->s_type->name)
-+
-+#define IS_WRITE_FLAG(flag) (flag & (O_RDWR | O_WRONLY | O_APPEND))
-+#define IS_COPY_FLAG(flag) (flag & (COPY_FLAGS))
-+
-+/* macros to simplify non-SCA code */
-+# define MALLOC_PAGE_POINTERS(hidden_pages, num_hidden_pages)
-+# define MALLOC_PAGEDATA_POINTERS(hidden_pages_data, num_hidden_pages)
-+# define FREE_PAGE_POINTERS(hidden_pages, num)
-+# define FREE_PAGEDATA_POINTERS(hidden_pages_data, num)
-+# define FOR_EACH_PAGE
-+# define CURRENT_HIDDEN_PAGE hidden_page
-+# define CURRENT_HIDDEN_PAGEDATA hidden_page_data
-+# define CURRENT_HIDDEN_PAGEINDEX page->index
-+
-+/*
-+ * EXTERNALS:
-+ */
-+extern struct file_operations mini_fo_main_fops;
-+extern struct file_operations mini_fo_dir_fops;
-+extern struct inode_operations mini_fo_main_iops;
-+extern struct inode_operations mini_fo_dir_iops;
-+extern struct inode_operations mini_fo_symlink_iops;
-+extern struct super_operations mini_fo_sops;
-+extern struct dentry_operations mini_fo_dops;
-+extern struct vm_operations_struct mini_fo_shared_vmops;
-+extern struct vm_operations_struct mini_fo_private_vmops;
-+extern struct address_space_operations mini_fo_aops;
-+
-+#if 0 /* unused by mini_fo */
-+extern int mini_fo_interpose(dentry_t *hidden_dentry, dentry_t *this_dentry, super_block_t *sb, int flag);
-+#if defined(FIST_FILTER_DATA) || defined(FIST_FILTER_SCA)
-+extern page_t *mini_fo_get1page(file_t *file, int index);
-+extern int mini_fo_fill_zeros(file_t *file, page_t *page, unsigned from);
-+# endif /* FIST_FILTER_DATA || FIST_FILTER_SCA */
-+
-+
-+# define mini_fo_hidden_dentry(d) __mini_fo_hidden_dentry(__FILE__,__FUNCTION__,__LINE__,(d))
-+# define mini_fo_hidden_sto_dentry(d) __mini_fo_hidden_sto_dentry(__FILE__,__FUNCTION__,__LINE__,(d))
-+
-+extern dentry_t *__mini_fo_hidden_dentry(char *file, char *func, int line, dentry_t *this_dentry);
-+extern dentry_t *__mini_fo_hidden_sto_dentry(char *file, char *func, int line, dentry_t *this_dentry);
-+
-+extern int mini_fo_read_file(const char *filename, void *buf, int len);
-+extern int mini_fo_write_file(const char *filename, void *buf, int len);
-+extern dentry_t *fist_lookup(dentry_t *dir, const char *name, vnode_t **out, uid_t uid, gid_t gid);
-+#endif /* unused by mini_fo */
-+
-+/* state transition functions */
-+extern int nondir_unmod_to_mod(dentry_t *dentry, int cp_flag);
-+extern int nondir_del_rew_to_del(dentry_t *dentry);
-+extern int nondir_creat_to_del(dentry_t *dentry);
-+extern int nondir_mod_to_del(dentry_t *dentry);
-+extern int nondir_unmod_to_del(dentry_t *dentry);
-+
-+extern int dir_unmod_to_mod(dentry_t *dentry);
-+
-+/* rename specials */
-+extern int rename_directory(inode_t *old_dir, dentry_t *old_dentry, inode_t *new_dir, dentry_t *new_dentry);
-+extern int rename_nondir(inode_t *old_dir, dentry_t *old_dentry, inode_t *new_dir, dentry_t *new_dentry);
-+
-+/* misc stuff */
-+extern int mini_fo_tri_interpose(dentry_t *hidden_dentry,
-+ dentry_t *hidden_sto_dentry,
-+ dentry_t *dentry,
-+ super_block_t *sb, int flag);
-+
-+extern int mini_fo_cp_cont(dentry_t *tgt_dentry, struct vfsmount *tgt_mnt,
-+ dentry_t *src_dentry, struct vfsmount *src_mnt);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+extern int mini_fo_create(inode_t *dir, dentry_t *dentry, int mode, struct nameidata *nd);
-+
-+extern int create_sto_nod(dentry_t *dentry, int mode, dev_t dev);
-+extern int create_sto_reg_file(dentry_t *dentry, int mode, struct nameidata *nd);
-+#else
-+extern int mini_fo_create(inode_t *dir, dentry_t *dentry, int mode);
-+
-+extern int create_sto_nod(dentry_t *dentry, int mode, int dev);
-+extern int create_sto_reg_file(dentry_t *dentry, int mode);
-+#endif
-+
-+extern int create_sto_dir(dentry_t *dentry, int mode);
-+
-+extern int exists_in_storage(dentry_t *dentry);
-+extern int is_mini_fo_existant(dentry_t *dentry);
-+extern int get_neg_sto_dentry(dentry_t *dentry);
-+extern int build_sto_structure(dentry_t *dir, dentry_t *dentry);
-+extern int get_mini_fo_bpath(dentry_t *dentry, char **bpath, int *bpath_len);
-+extern dentry_t *bpath_walk(super_block_t *sb, char *bpath);
-+extern int bpath_put(dentry_t *dentry);
-+
-+/* check_mini_fo types functions */
-+extern int check_mini_fo_dentry(dentry_t *dentry);
-+extern int check_mini_fo_file(file_t *file);
-+extern int check_mini_fo_inode(inode_t *inode);
-+
-+/* General meta functions, can be called from outside of meta.c */
-+extern int meta_build_lists(dentry_t *dentry);
-+extern int meta_put_lists(dentry_t *dentry);
-+extern int __meta_put_lists(inode_t *inode);
-+
-+extern int meta_add_d_entry(dentry_t *dentry, const char *name, int len);
-+extern int meta_add_r_entry(dentry_t *dentry,
-+ const char *old_name, int old_len,
-+ const char *new_name, int new_len);
-+
-+extern int meta_remove_r_entry(dentry_t *dentry, const char *name, int len);
-+
-+extern int meta_check_d_entry(dentry_t *dentry, const char *name, int len);
-+extern int __meta_check_d_entry(inode_t *inode, const char *name, int len);
-+
-+extern char* meta_check_r_entry(dentry_t *dentry, const char *name, int len);
-+extern char* __meta_check_r_entry(inode_t *inode, const char *name, int len);
-+extern int meta_is_r_entry(dentry_t *dentry, const char *name, int len);
-+extern int __meta_is_r_entry(inode_t *inode, const char *name, int len);
-+
-+/* Specific meta functions, should be called only inside meta.c */
-+extern int __meta_put_d_list(inode_t *inode);
-+extern int __meta_put_r_list(inode_t *inode);
-+
-+extern int meta_list_add_d_entry(dentry_t *dentry,
-+ const char *name, int len);
-+extern int meta_list_add_r_entry(dentry_t *dentry,
-+ const char *old_name, int old_len,
-+ const char *new_name, int new_len);
-+
-+extern int meta_list_remove_r_entry(dentry_t *dentry,
-+ const char *name, int len);
-+
-+extern int __meta_list_remove_r_entry(inode_t *inode,
-+ const char *name, int len);
-+
-+extern int meta_write_d_entry(dentry_t *dentry, const char *name, int len);
-+extern int meta_write_r_entry(dentry_t *dentry,
-+ const char *old_name, int old_len,
-+ const char *new_name, int new_len);
-+
-+extern int meta_sync_lists(dentry_t *dentry);
-+extern int meta_sync_d_list(dentry_t *dentry, int app_flag);
-+extern int meta_sync_r_list(dentry_t *dentry, int app_flag);
-+
-+/* ndl stuff */
-+extern int ndl_add_entry(struct readdir_data *rd, const char *name, int len);
-+extern void ndl_put_list(struct readdir_data *rd);
-+extern int ndl_check_entry(struct readdir_data *rd,
-+ const char *name, int len);
-+
-+
-+# define copy_inode_size(dst, src) \
-+ dst->i_size = src->i_size; \
-+ dst->i_blocks = src->i_blocks;
-+
-+static inline void
-+fist_copy_attr_atime(inode_t *dest, const inode_t *src)
-+{
-+ ASSERT(dest != NULL);
-+ ASSERT(src != NULL);
-+ dest->i_atime = src->i_atime;
-+}
-+static inline void
-+fist_copy_attr_times(inode_t *dest, const inode_t *src)
-+{
-+ ASSERT(dest != NULL);
-+ ASSERT(src != NULL);
-+ dest->i_atime = src->i_atime;
-+ dest->i_mtime = src->i_mtime;
-+ dest->i_ctime = src->i_ctime;
-+}
-+static inline void
-+fist_copy_attr_timesizes(inode_t *dest, const inode_t *src)
-+{
-+ ASSERT(dest != NULL);
-+ ASSERT(src != NULL);
-+ dest->i_atime = src->i_atime;
-+ dest->i_mtime = src->i_mtime;
-+ dest->i_ctime = src->i_ctime;
-+ copy_inode_size(dest, src);
-+}
-+static inline void
-+fist_copy_attr_all(inode_t *dest, const inode_t *src)
-+{
-+ ASSERT(dest != NULL);
-+ ASSERT(src != NULL);
-+ dest->i_mode = src->i_mode;
-+ dest->i_nlink = src->i_nlink;
-+ dest->i_uid = src->i_uid;
-+ dest->i_gid = src->i_gid;
-+ dest->i_rdev = src->i_rdev;
-+ dest->i_atime = src->i_atime;
-+ dest->i_mtime = src->i_mtime;
-+ dest->i_ctime = src->i_ctime;
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+ dest->i_blksize = src->i_blksize;
-+#endif
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,12)
-+ dest->i_blkbits = src->i_blkbits;
-+# endif /* linux 2.4.12 and newer */
-+ copy_inode_size(dest, src);
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+ dest->i_attr_flags = src->i_attr_flags;
-+#else
-+ dest->i_flags = src->i_flags;
-+#endif
-+}
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+/* copied from linux/fs.h */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+static inline void double_lock(struct dentry *d1, struct dentry *d2)
-+{
-+ struct mutex *m1 = &d1->d_inode->i_mutex;
-+ struct mutex *m2 = &d2->d_inode->i_mutex;
-+ if (m1 != m2) {
-+ if ((unsigned long) m1 < (unsigned long) m2) {
-+ struct mutex *tmp = m2;
-+ m2 = m1; m1 = tmp;
-+ }
-+ mutex_lock(m1);
-+ }
-+ mutex_lock(m2);
-+}
-+
-+static inline void double_unlock(struct dentry *d1, struct dentry *d2)
-+{
-+ struct mutex *m1 = &d1->d_inode->i_mutex;
-+ struct mutex *m2 = &d2->d_inode->i_mutex;
-+ mutex_unlock(m1);
-+ if (m1 != m2)
-+ mutex_unlock(m2);
-+ dput(d1);
-+ dput(d2);
-+}
-+
-+#else
-+static inline void double_down(struct semaphore *s1, struct semaphore *s2)
-+{
-+ if (s1 != s2) {
-+ if ((unsigned long) s1 < (unsigned long) s2) {
-+ struct semaphore *tmp = s2;
-+ s2 = s1; s1 = tmp;
-+ }
-+ down(s1);
-+ }
-+ down(s2);
-+}
-+
-+static inline void double_up(struct semaphore *s1, struct semaphore *s2)
-+{
-+ up(s1);
-+ if (s1 != s2)
-+ up(s2);
-+}
-+
-+static inline void double_lock(struct dentry *d1, struct dentry *d2)
-+{
-+ double_down(&d1->d_inode->i_sem, &d2->d_inode->i_sem);
-+}
-+
-+static inline void double_unlock(struct dentry *d1, struct dentry *d2)
-+{
-+ double_up(&d1->d_inode->i_sem,&d2->d_inode->i_sem);
-+ dput(d1);
-+ dput(d2);
-+}
-+#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) */
-+#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) */
-+#endif /* __KERNEL__ */
-+
-+/*
-+ * Definitions for user and kernel code
-+ */
-+
-+/* ioctls */
-+
-+#endif /* not __MINI_FO_H_ */
---- /dev/null
-+++ b/fs/mini_fo/mini_fo-merge
-@@ -0,0 +1,180 @@
-+#!/bin/bash
-+#
-+# Copyright (C) 2005 Markus Klotzbuecher <mk@creamnet.de>
-+# This program is free software; you can redistribute it and/or
-+# modify it under the terms of the GNU General Public License
-+# as published by the Free Software Foundation; either version
-+# 2 of the License, or (at your option) any later version.
-+#
-+
-+BASE=
-+STO=
-+HELP=
-+DRYRUN=
-+VERBOSE=
-+TMP="/tmp/"
-+META_NAME="META_dAfFgHE39ktF3HD2sr"
-+SKIP_DEL_LIST="skip-delete-list.mini_fo-merge"
-+
-+COMMAND=
-+exec_command()
-+{
-+ if [ x$DRYRUN == "xset" ]; then
-+ echo " would run: $COMMAND"
-+ elif ! [ x$DRYRUN == "xset" ]; then
-+ if [ x$VERBOSE == "xset" ]; then
-+ echo " running: $COMMAND"
-+ fi
-+ eval $COMMAND
-+ fi
-+}
-+
-+usage()
-+{
-+cat <<EOF
-+
-+USAGE: $0 -b <base dir> -s <storage dir>
-+Version 0.1
-+
-+This script merges the contents of a mini_fo storage file system back
-+to the base file system.
-+
-+!!! Warning: This will modify the base filesystem and can destroy data
-+ if used wrongly.
-+
-+Options:
-+ -b <base dir>
-+ the directory of the base file system.
-+
-+ -s <storage dir>
-+ the directory of the storage file system.
-+
-+ -d dry run, will not change anything and print the commands that
-+ would be executed.
-+
-+ -t tmp dir for storing temporary file. default: $TMP
-+
-+ -v show what operations are performed.
-+
-+ -h displays this message.
-+
-+EOF
-+}
-+
-+# parse parameters
-+while getopts hdvt:b:s: OPTS
-+ do
-+ case $OPTS in
-+ h) HELP="set";;
-+ d) DRYRUN="set";;
-+ v) VERBOSE="set";;
-+ b) BASE="$OPTARG";;
-+ s) STO="$OPTARG";;
-+ t) TMP="$OPTARG";;
-+ ?) usage
-+ exit 1;;
-+ esac
-+done
-+
-+if [ "x$HELP" == "xset" ]; then
-+ usage
-+ exit -1
-+fi
-+
-+if ! [ -d "$BASE" ] || ! [ -d "$STO" ]; then
-+ echo -e "$0:\n Error, -s and/or -b argument missing. type $0 -h for help."
-+ exit -1;
-+fi
-+
-+# get full paths
-+pushd $STO; STO=`pwd`; popd
-+pushd $BASE; BASE=`pwd`; popd
-+TMP=${TMP%/}
-+
-+
-+cat<<EOF
-+###############################################################################
-+# mini_fo-merge
-+#
-+# base dir: $BASE
-+# storage dir: $STO
-+# meta filename: $META_NAME
-+# dry run: $DRYRUN
-+# verbose: $VERBOSE
-+# tmp files: $TMP
-+###############################################################################
-+
-+EOF
-+
-+rm $TMP/$SKIP_DEL_LIST
-+
-+# first process all renamed dirs
-+echo "Merging renamed directories..."
-+pushd $STO &> /dev/null
-+find . -name $META_NAME -type f -print0 | xargs -0 -e grep -e '^R ' | tr -s ':R' ' ' | while read ENTRY; do
-+ echo "entry: $ENTRY"
-+ META_FILE=`echo $ENTRY | cut -d ' ' -f 1`
-+ OLD_B_DIR=`echo $ENTRY | cut -d ' ' -f 2 | sed -e 's/\///'`
-+ NEW_NAME=`echo $ENTRY | cut -d ' ' -f 3`
-+ NEW_B_DIR=`echo $META_FILE | sed -e "s/$META_NAME/$NEW_NAME/" | sed -e 's/^\.\///'`
-+ echo "META_FILE: $META_FILE"
-+ echo "OLD_B_DIR: $OLD_B_DIR"
-+ echo "NEW_NAME: $NEW_NAME"
-+ echo "NEW_B_DIR: $NEW_B_DIR"
-+
-+ pushd $BASE &> /dev/null
-+ # remove an existing dir in storage
-+ COMMAND="rm -rf $NEW_B_DIR"; exec_command
-+ COMMAND="cp -R $OLD_B_DIR $NEW_B_DIR"; exec_command
-+ echo ""
-+ popd &> /dev/null
-+
-+ # remember this dir to exclude it from deleting later
-+ echo $NEW_B_DIR >> $TMP/$SKIP_DEL_LIST
-+done
-+
-+# delete all whiteouted files from base
-+echo -e "\nDeleting whiteout'ed files from base file system..."
-+find . -name $META_NAME -type f -print0 | xargs -0 -e grep -e '^D ' | sed -e 's/:D//' | while read ENTRY; do
-+ META_FILE=`echo $ENTRY | cut -d ' ' -f 1`
-+ DEL_NAME=`echo $ENTRY | cut -d ' ' -f 2`
-+ DEL_FILE=`echo $META_FILE | sed -e "s/$META_NAME/$DEL_NAME/" | sed -e 's/^\.\///'`
-+ grep -x $DEL_FILE $TMP/$SKIP_DEL_LIST &> /dev/null
-+ if [ $? -ne 0 ]; then
-+ pushd $BASE &> /dev/null
-+ COMMAND="rm -rf $DEL_FILE"; exec_command
-+ popd &> /dev/null
-+ else
-+ echo " excluding: $DEL_FILE as in skip-del-list."
-+ fi
-+done
-+
-+# create all dirs and update permissions
-+echo -e "\nSetting up directory structures in base file system..."
-+find . -type d | sed -e 's/^\.\///' | while read DIR; do
-+ PERMS=`stat -c %a $DIR`
-+ DIR_UID=`stat -c %u $DIR`
-+ DIR_GID=`stat -c %g $DIR`
-+ pushd $BASE &> /dev/null
-+ if ! [ -d $DIR ]; then
-+ COMMAND="mkdir -p $DIR"; exec_command
-+ fi
-+ COMMAND="chmod $PERMS $DIR"; exec_command
-+ COMMAND="chown $DIR_UID:$DIR_GID $DIR"; exec_command
-+ popd &> /dev/null
-+done
-+
-+# merge all non-directory files
-+echo -e "\nMerging all non-directory files...."
-+for i in b c p f l s; do
-+ find . -type $i | sed -e 's/^\.\///' | grep -v "$META_NAME" | while read FILE; do
-+ pushd $BASE #&> /dev/null
-+ COMMAND="cp -df $STO/$FILE $BASE/$FILE"; exec_command
-+ popd &> /dev/null
-+ done
-+done
-+popd &> /dev/null
-+
-+#rm $TMP/$SKIP_DEL_LIST
-+
-+echo "Done!"
---- /dev/null
-+++ b/fs/mini_fo/mini_fo-overlay
-@@ -0,0 +1,130 @@
-+#!/bin/bash
-+#
-+# Copyright (C) 2005 Markus Klotzbuecher <mk@creamnet.de>
-+# This program is free software; you can redistribute it and/or
-+# modify it under the terms of the GNU General Public License
-+# as published by the Free Software Foundation; either version
-+# 2 of the License, or (at your option) any later version.
-+#
-+
-+HELP=
-+SUFF=
-+MNTP=
-+MNT_DIR="/mnt"
-+STO=
-+STO_DIR="/tmp"
-+BASE=
-+
-+usage()
-+{
-+cat <<EOF
-+
-+Usage: $0 [-s suffix] [-d sto_dir_dir] [-m mount point] base_dir
-+Version 0.1
-+
-+This script overlays the given base directory using the mini_fo file
-+system. If only the base directory base_dir is given, $0
-+will use a storage directory called "sto-<base_dir_name>" in $STO_DIR,
-+and mount point "mini_fo-<base_dir_dir>" in $MNT_DIR.
-+
-+Options:
-+ -s <suffix>
-+ add given suffix to storage directory and the mount
-+ point. This is usefull for overlaying one base directory
-+ several times and avoiding conflicts with storage directory
-+ names and mount points.
-+
-+ -d <sto_dir_dir>
-+ change the directory in which the storage directory will be
-+ created (default is currently "$STO_DIR".
-+
-+ -m <mount point>
-+ use an alternative directory to create the mini_fo
-+ mountpoint (default is currently "$MNT_DIR".
-+
-+ -h displays this message.
-+
-+EOF
-+exit 1;
-+}
-+
-+while getopts hm:s:d: OPTS
-+ do
-+ case $OPTS in
-+ s) SUFF="$OPTARG";;
-+ d) STO_DIR="$OPTARG";;
-+ m) MNT_DIR="$OPTARG";;
-+ h) HELP="set";;
-+ ?) usage
-+ exit 1;;
-+ esac
-+done
-+shift $(($OPTIND - 1))
-+
-+BASE="$1"
-+
-+if [ "x$HELP" == "xset" ]; then
-+ usage
-+ exit -1
-+fi
-+
-+# fix suffix
-+if [ "x$SUFF" != "x" ]; then
-+ SUFF="-$SUFF"
-+fi
-+
-+# kill trailing slashes
-+MNT_DIR=${MNT_DIR%/}
-+STO_DIR=${STO_DIR%/}
-+BASE=${BASE%/}
-+
-+
-+if ! [ -d "$BASE" ]; then
-+ echo "invalid base dir $BASE, run $0 -h for help."
-+ exit -1
-+fi
-+
-+# check opts
-+if ! [ -d "$MNT_DIR" ]; then
-+ echo "invalid mount dir $MNT_DIR, run $0 -h for help."
-+ exit -1
-+fi
-+
-+if ! [ -d "$STO_DIR" ]; then
-+ echo "invalid sto_dir_dir $STO_DIR, run $0 -h for help."
-+ exit -1
-+fi
-+
-+MNTP="$MNT_DIR/mini_fo-`basename $BASE`$SUFF"
-+STO="$STO_DIR/sto-`basename $BASE`$SUFF"
-+
-+# create the mount point if it doesn't exist
-+mkdir -p $MNTP
-+if [ $? -ne 0 ]; then
-+ echo "Error, failed to create mount point $MNTP"
-+fi
-+
-+mkdir -p $STO
-+if [ $? -ne 0 ]; then
-+ echo "Error, failed to create storage dir $STO"
-+fi
-+
-+# check if fs is already mounted
-+mount | grep mini_fo | grep $MNTP &> /dev/null
-+if [ $? -eq 0 ]; then
-+ echo "Error, existing mini_fo mount at $MNTP."
-+ exit -1
-+fi
-+
-+mount | grep mini_fo | grep $STO &> /dev/null
-+if [ $? -eq 0 ]; then
-+ echo "Error, $STO seems to be used already."
-+ exit -1
-+fi
-+
-+# mount
-+mount -t mini_fo -o base=$BASE,sto=$STO $BASE $MNTP
-+
-+if [ $? -ne 0 ]; then
-+ echo "Error, mounting failed, maybe no permisson to mount?"
-+fi
---- /dev/null
-+++ b/fs/mini_fo/mmap.c
-@@ -0,0 +1,637 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+/*
-+ * $Id$
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif /* HAVE_CONFIG_H */
-+
-+#include "fist.h"
-+#include "mini_fo.h"
-+
-+
-+#ifdef FIST_COUNT_WRITES
-+/* for counting writes in the middle vs. regular writes */
-+unsigned long count_writes = 0, count_writes_middle = 0;
-+#endif /* FIST_COUNT_WRITES */
-+
-+/* forward declaration of commit write and prepare write */
-+STATIC int mini_fo_commit_write(file_t *file, page_t *page, unsigned from, unsigned to);
-+STATIC int mini_fo_prepare_write(file_t *file, page_t *page, unsigned from, unsigned to);
-+
-+
-+/*
-+ * Function for handling creation of holes when lseek-ing past the
-+ * end of the file and then writing some data.
-+ */
-+int
-+mini_fo_fill_zeros(file_t* file, page_t *page, unsigned from)
-+{
-+ int err = 0;
-+ dentry_t *dentry = file->f_dentry;
-+ inode_t *inode = dentry->d_inode;
-+ page_t *tmp_page;
-+ int index;
-+
-+ print_entry_location();
-+
-+ for (index = inode->i_size >> PAGE_CACHE_SHIFT; index < page->index; index++) {
-+ tmp_page = mini_fo_get1page(file, index);
-+ if (IS_ERR(tmp_page)) {
-+ err = PTR_ERR(tmp_page);
-+ goto out;
-+ }
-+
-+ /*
-+ * zero out rest of the contents of the page between the appropriate
-+ * offsets.
-+ */
-+ memset((char*)page_address(tmp_page) + (inode->i_size & ~PAGE_CACHE_MASK), 0, PAGE_CACHE_SIZE - (inode->i_size & ~PAGE_CACHE_MASK));
-+
-+ if (! (err = mini_fo_prepare_write(file, tmp_page, 0, PAGE_CACHE_SIZE)))
-+ err = mini_fo_commit_write(file, tmp_page, 0, PAGE_CACHE_SIZE);
-+
-+ page_cache_release(tmp_page);
-+ if (err < 0)
-+ goto out;
-+ if (current->need_resched)
-+ schedule();
-+ }
-+
-+ /* zero out appropriate parts of last page */
-+
-+ /*
-+ * if the encoding type is block, then adjust the 'from' (where the
-+ * zeroing will start) offset appropriately
-+ */
-+ from = from & (~(FIST_ENCODING_BLOCKSIZE - 1));
-+
-+ if ((from - (inode->i_size & ~PAGE_CACHE_MASK)) > 0) {
-+
-+ memset((char*)page_address(page) + (inode->i_size & ~PAGE_CACHE_MASK), 0, from - (inode->i_size & ~PAGE_CACHE_MASK));
-+ if (! (err = mini_fo_prepare_write(file, page, 0, PAGE_CACHE_SIZE)))
-+ err = mini_fo_commit_write(file, page, 0, PAGE_CACHE_SIZE);
-+
-+ if (err < 0)
-+ goto out;
-+ if (current->need_resched)
-+ schedule();
-+ }
-+
-+ out:
-+ print_exit_status(err);
-+ return err;
-+}
-+
-+
-+
-+STATIC int
-+mini_fo_writepage(page_t *page)
-+{
-+ int err = -EIO;
-+ inode_t *inode;
-+ inode_t *hidden_inode;
-+ page_t *hidden_page;
-+ char *kaddr, *hidden_kaddr;
-+
-+ print_entry_location();
-+
-+ inode = page->mapping->host;
-+ hidden_inode = itohi(inode);
-+
-+ /*
-+ * writepage is called when shared mmap'ed files need to write
-+ * their pages, while prepare/commit_write are called from the
-+ * non-paged write() interface. (However, in 2.3 the two interfaces
-+ * share the same cache, while in 2.2 they didn't.)
-+ *
-+ * So we pretty much have to duplicate much of what commit_write does.
-+ */
-+
-+ /* find lower page (returns a locked page) */
-+ hidden_page = grab_cache_page(hidden_inode->i_mapping, page->index);
-+ if (!hidden_page)
-+ goto out;
-+
-+ /* get page address, and encode it */
-+ kaddr = (char *) kmap(page);
-+ hidden_kaddr = (char*) kmap(hidden_page);
-+ mini_fo_encode_block(kaddr, hidden_kaddr, PAGE_CACHE_SIZE, inode, inode->i_sb, page->index);
-+ /* if encode_block could fail, then return error */
-+ kunmap(page);
-+ kunmap(hidden_page);
-+
-+ /* call lower writepage (expects locked page) */
-+ err = hidden_inode->i_mapping->a_ops->writepage(hidden_page);
-+
-+ /*
-+ * update mtime and ctime of lower level file system
-+ * mini_fo' mtime and ctime are updated by generic_file_write
-+ */
-+ hidden_inode->i_mtime = hidden_inode->i_ctime = CURRENT_TIME;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,1)
-+ UnlockPage(hidden_page); /* b/c grab_cache_page locked it */
-+# endif /* kernel older than 2.4.1 */
-+ page_cache_release(hidden_page); /* b/c grab_cache_page increased refcnt */
-+
-+ if (err)
-+ ClearPageUptodate(page);
-+ else
-+ SetPageUptodate(page);
-+ out:
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,1)
-+ UnlockPage(page);
-+# endif /* kernel 2.4.1 and newer */
-+ print_exit_status(err);
-+ return err;
-+}
-+
-+
-+/*
-+ * get one page from cache or lower f/s, return error otherwise.
-+ * returns unlocked, up-to-date page (if ok), with increased refcnt.
-+ */
-+page_t *
-+mini_fo_get1page(file_t *file, int index)
-+{
-+ page_t *page;
-+ dentry_t *dentry;
-+ inode_t *inode;
-+ struct address_space *mapping;
-+ int err;
-+
-+ print_entry_location();
-+
-+ dentry = file->f_dentry; /* CPW: Moved below print_entry_location */
-+ inode = dentry->d_inode;
-+ mapping = inode->i_mapping;
-+
-+ fist_dprint(8, "%s: read page index %d pid %d\n", __FUNCTION__, index, current->pid);
-+ if (index < 0) {
-+ printk("%s BUG: index=%d\n", __FUNCTION__, index);
-+ page = ERR_PTR(-EIO);
-+ goto out;
-+ }
-+ page = read_cache_page(mapping,
-+ index,
-+ (filler_t *) mapping->a_ops->readpage,
-+ (void *) file);
-+ if (IS_ERR(page))
-+ goto out;
-+ wait_on_page(page);
-+ if (!Page_Uptodate(page)) {
-+ lock_page(page);
-+ err = mapping->a_ops->readpage(file, page);
-+ if (err) {
-+ page = ERR_PTR(err);
-+ goto out;
-+ }
-+ wait_on_page(page);
-+ if (!Page_Uptodate(page)) {
-+ page = ERR_PTR(-EIO);
-+ goto out;
-+ }
-+ }
-+
-+ out:
-+ print_exit_pointer(page);
-+ return page;
-+}
-+
-+
-+/*
-+ * get one page from cache or lower f/s, return error otherwise.
-+ * similar to get1page, but doesn't guarantee that it will return
-+ * an unlocked page.
-+ */
-+page_t *
-+mini_fo_get1page_cached(file_t *file, int index)
-+{
-+ page_t *page;
-+ dentry_t *dentry;
-+ inode_t *inode;
-+ struct address_space *mapping;
-+ int err;
-+
-+ print_entry_location();
-+
-+ dentry = file->f_dentry; /* CPW: Moved below print_entry_location */
-+ inode = dentry->d_inode;
-+ mapping = inode->i_mapping;
-+
-+ fist_dprint(8, "%s: read page index %d pid %d\n", __FUNCTION__, index, current->pid);
-+ if (index < 0) {
-+ printk("%s BUG: index=%d\n", __FUNCTION__, index);
-+ page = ERR_PTR(-EIO);
-+ goto out;
-+ }
-+ page = read_cache_page(mapping,
-+ index,
-+ (filler_t *) mapping->a_ops->readpage,
-+ (void *) file);
-+ if (IS_ERR(page))
-+ goto out;
-+
-+ out:
-+ print_exit_pointer(page);
-+ return page;
-+}
-+
-+
-+/*
-+ * readpage is called from generic_page_read and the fault handler.
-+ * If your file system uses generic_page_read for the read op, it
-+ * must implement readpage.
-+ *
-+ * Readpage expects a locked page, and must unlock it.
-+ */
-+STATIC int
-+mini_fo_do_readpage(file_t *file, page_t *page)
-+{
-+ int err = -EIO;
-+ dentry_t *dentry;
-+ file_t *hidden_file = NULL;
-+ dentry_t *hidden_dentry;
-+ inode_t *inode;
-+ inode_t *hidden_inode;
-+ char *page_data;
-+ page_t *hidden_page;
-+ char *hidden_page_data;
-+ int real_size;
-+
-+ print_entry_location();
-+
-+ dentry = file->f_dentry; /* CPW: Moved below print_entry_location */
-+ if (ftopd(file) != NULL)
-+ hidden_file = ftohf(file);
-+ hidden_dentry = dtohd(dentry);
-+ inode = dentry->d_inode;
-+ hidden_inode = itohi(inode);
-+
-+ fist_dprint(7, "%s: requesting page %d from file %s\n", __FUNCTION__, page->index, dentry->d_name.name);
-+
-+ MALLOC_PAGE_POINTERS(hidden_pages, num_hidden_pages);
-+ MALLOC_PAGEDATA_POINTERS(hidden_pages_data, num_hidden_pages);
-+ FOR_EACH_PAGE
-+ CURRENT_HIDDEN_PAGE = NULL;
-+
-+ /* find lower page (returns a locked page) */
-+ FOR_EACH_PAGE {
-+ fist_dprint(8, "%s: Current page index = %d\n", __FUNCTION__, CURRENT_HIDDEN_PAGEINDEX);
-+ CURRENT_HIDDEN_PAGE = read_cache_page(hidden_inode->i_mapping,
-+ CURRENT_HIDDEN_PAGEINDEX,
-+ (filler_t *) hidden_inode->i_mapping->a_ops->readpage,
-+ (void *) hidden_file);
-+ if (IS_ERR(CURRENT_HIDDEN_PAGE)) {
-+ err = PTR_ERR(CURRENT_HIDDEN_PAGE);
-+ CURRENT_HIDDEN_PAGE = NULL;
-+ goto out_release;
-+ }
-+ }
-+
-+ /*
-+ * wait for the page data to show up
-+ * (signaled by readpage as unlocking the page)
-+ */
-+ FOR_EACH_PAGE {
-+ wait_on_page(CURRENT_HIDDEN_PAGE);
-+ if (!Page_Uptodate(CURRENT_HIDDEN_PAGE)) {
-+ /*
-+ * call readpage() again if we returned from wait_on_page with a
-+ * page that's not up-to-date; that can happen when a partial
-+ * page has a few buffers which are ok, but not the whole
-+ * page.
-+ */
-+ lock_page(CURRENT_HIDDEN_PAGE);
-+ err = hidden_inode->i_mapping->a_ops->readpage(hidden_file,
-+ CURRENT_HIDDEN_PAGE);
-+ if (err) {
-+ CURRENT_HIDDEN_PAGE = NULL;
-+ goto out_release;
-+ }
-+ wait_on_page(CURRENT_HIDDEN_PAGE);
-+ if (!Page_Uptodate(CURRENT_HIDDEN_PAGE)) {
-+ err = -EIO;
-+ goto out_release;
-+ }
-+ }
-+ }
-+
-+ /* map pages, get their addresses */
-+ page_data = (char *) kmap(page);
-+ FOR_EACH_PAGE
-+ CURRENT_HIDDEN_PAGEDATA = (char *) kmap(CURRENT_HIDDEN_PAGE);
-+
-+ /* if decode_block could fail, then return error */
-+ err = 0;
-+ real_size = hidden_inode->i_size - (page->index << PAGE_CACHE_SHIFT);
-+ if (real_size <= 0)
-+ memset(page_data, 0, PAGE_CACHE_SIZE);
-+ else if (real_size < PAGE_CACHE_SIZE) {
-+ mini_fo_decode_block(hidden_page_data, page_data, real_size, inode, inode->i_sb, page->index);
-+ memset(page_data + real_size, 0, PAGE_CACHE_SIZE - real_size);
-+ } else
-+ mini_fo_decode_block(hidden_page_data, page_data, PAGE_CACHE_SIZE, inode, inode->i_sb, page->index);
-+
-+ FOR_EACH_PAGE
-+ kunmap(CURRENT_HIDDEN_PAGE);
-+ kunmap(page);
-+
-+ out_release:
-+ FOR_EACH_PAGE
-+ if (CURRENT_HIDDEN_PAGE)
-+ page_cache_release(CURRENT_HIDDEN_PAGE); /* undo read_cache_page */
-+
-+ FREE_PAGE_POINTERS(hidden_pages, num_hidden_pages);
-+ FREE_PAGEDATA_POINTERS(hidden_pages_data, num_hidden_pages);
-+
-+ out:
-+ if (err == 0)
-+ SetPageUptodate(page);
-+ else
-+ ClearPageUptodate(page);
-+
-+ print_exit_status(err);
-+ return err;
-+}
-+
-+
-+STATIC int
-+mini_fo_readpage(file_t *file, page_t *page)
-+{
-+ int err;
-+ print_entry_location();
-+
-+ err = mini_fo_do_readpage(file, page);
-+
-+ /*
-+ * we have to unlock our page, b/c we _might_ have gotten a locked page.
-+ * but we no longer have to wakeup on our page here, b/c UnlockPage does
-+ * it
-+ */
-+ UnlockPage(page);
-+
-+ print_exit_status(err);
-+ return err;
-+}
-+
-+
-+STATIC int
-+mini_fo_prepare_write(file_t *file, page_t *page, unsigned from, unsigned to)
-+{
-+ int err = 0;
-+
-+ print_entry_location();
-+
-+ /*
-+ * we call kmap(page) only here, and do the kunmap
-+ * and the actual downcalls, including unlockpage and uncache
-+ * in commit_write.
-+ */
-+ kmap(page);
-+
-+ /* fast path for whole page writes */
-+ if (from == 0 && to == PAGE_CACHE_SIZE)
-+ goto out;
-+ /* read the page to "revalidate" our data */
-+ /* call the helper function which doesn't unlock the page */
-+ if (!Page_Uptodate(page))
-+ err = mini_fo_do_readpage(file, page);
-+
-+ out:
-+ print_exit_status(err);
-+ return err;
-+}
-+
-+
-+
-+STATIC int
-+mini_fo_commit_write(file_t *file, page_t *page, unsigned from, unsigned to)
-+{
-+ int err = -ENOMEM;
-+ inode_t *inode;
-+ inode_t *hidden_inode;
-+ page_t *hidden_page;
-+ file_t *hidden_file = NULL;
-+ loff_t pos;
-+ unsigned bytes = to - from;
-+ unsigned hidden_from, hidden_to, hidden_bytes;
-+
-+ print_entry_location();
-+
-+ inode = page->mapping->host; /* CPW: Moved below print_entry_location */
-+ hidden_inode = itohi(inode);
-+
-+ ASSERT(file != NULL);
-+ /*
-+ * here we have a kmapped page, with data from the user copied
-+ * into it. we need to encode_block it, and then call the lower
-+ * commit_write. We also need to simulate same behavior of
-+ * generic_file_write, and call prepare_write on the lower f/s first.
-+ */
-+#ifdef FIST_COUNT_WRITES
-+ count_writes++;
-+# endif /* FIST_COUNT_WRITES */
-+
-+ /* this is append and/or extend -- we can't have holes so fill them in */
-+ if (page->index > (hidden_inode->i_size >> PAGE_CACHE_SHIFT)) {
-+ page_t *tmp_page;
-+ int index;
-+ for (index = hidden_inode->i_size >> PAGE_CACHE_SHIFT; index < page->index; index++) {
-+ tmp_page = mini_fo_get1page(file, index);
-+ if (IS_ERR(tmp_page)) {
-+ err = PTR_ERR(tmp_page);
-+ goto out;
-+ }
-+ /* zero out the contents of the page at the appropriate offsets */
-+ memset((char*)page_address(tmp_page) + (inode->i_size & ~PAGE_CACHE_MASK), 0, PAGE_CACHE_SIZE - (inode->i_size & ~PAGE_CACHE_MASK));
-+ if (!(err = mini_fo_prepare_write(file, tmp_page, 0, PAGE_CACHE_SIZE)))
-+ err = mini_fo_commit_write(file, tmp_page, 0, PAGE_CACHE_SIZE);
-+ page_cache_release(tmp_page);
-+ if (err < 0)
-+ goto out;
-+ if (current->need_resched)
-+ schedule();
-+ }
-+ }
-+
-+ if (ftopd(file) != NULL)
-+ hidden_file = ftohf(file);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_inode->i_mutex);
-+#else
-+ down(&hidden_inode->i_sem);
-+#endif
-+ /* find lower page (returns a locked page) */
-+ hidden_page = grab_cache_page(hidden_inode->i_mapping, page->index);
-+ if (!hidden_page)
-+ goto out;
-+
-+#if FIST_ENCODING_BLOCKSIZE > 1
-+# error encoding_blocksize greater than 1 is not yet supported
-+# endif /* FIST_ENCODING_BLOCKSIZE > 1 */
-+
-+ hidden_from = from & (~(FIST_ENCODING_BLOCKSIZE - 1));
-+ hidden_to = ((to + FIST_ENCODING_BLOCKSIZE - 1) & (~(FIST_ENCODING_BLOCKSIZE - 1)));
-+ if ((page->index << PAGE_CACHE_SHIFT) + to > hidden_inode->i_size) {
-+
-+ /*
-+ * if this call to commit_write had introduced holes and the code
-+ * for handling holes was invoked, then the beginning of this page
-+ * must be zeroed out
-+ * zero out bytes from 'size_of_file%pagesize' to 'from'.
-+ */
-+ if ((hidden_from - (inode->i_size & ~PAGE_CACHE_MASK)) > 0)
-+ memset((char*)page_address(page) + (inode->i_size & ~PAGE_CACHE_MASK), 0, hidden_from - (inode->i_size & ~PAGE_CACHE_MASK));
-+
-+ }
-+ hidden_bytes = hidden_to - hidden_from;
-+
-+ /* call lower prepare_write */
-+ err = -EINVAL;
-+ if (hidden_inode->i_mapping &&
-+ hidden_inode->i_mapping->a_ops &&
-+ hidden_inode->i_mapping->a_ops->prepare_write)
-+ err = hidden_inode->i_mapping->a_ops->prepare_write(hidden_file,
-+ hidden_page,
-+ hidden_from,
-+ hidden_to);
-+ if (err)
-+ /* don't leave locked pages behind, esp. on an ENOSPC */
-+ goto out_unlock;
-+
-+ fist_dprint(8, "%s: encoding %d bytes\n", __FUNCTION__, hidden_bytes);
-+ mini_fo_encode_block((char *) page_address(page) + hidden_from, (char*) page_address(hidden_page) + hidden_from, hidden_bytes, inode, inode->i_sb, page->index);
-+ /* if encode_block could fail, then goto unlock and return error */
-+
-+ /* call lower commit_write */
-+ err = hidden_inode->i_mapping->a_ops->commit_write(hidden_file,
-+ hidden_page,
-+ hidden_from,
-+ hidden_to);
-+
-+ if (err < 0)
-+ goto out_unlock;
-+
-+ err = bytes; /* convert error to no. of bytes */
-+
-+ inode->i_blocks = hidden_inode->i_blocks;
-+ /* we may have to update i_size */
-+ pos = (page->index << PAGE_CACHE_SHIFT) + to;
-+ if (pos > inode->i_size)
-+ inode->i_size = pos;
-+
-+ /*
-+ * update mtime and ctime of lower level file system
-+ * mini_fo' mtime and ctime are updated by generic_file_write
-+ */
-+ hidden_inode->i_mtime = hidden_inode->i_ctime = CURRENT_TIME;
-+
-+ mark_inode_dirty_sync(inode);
-+
-+ out_unlock:
-+ UnlockPage(hidden_page);
-+ page_cache_release(hidden_page);
-+ kunmap(page); /* kmap was done in prepare_write */
-+ out:
-+ /* we must set our page as up-to-date */
-+ if (err < 0)
-+ ClearPageUptodate(page);
-+ else
-+ SetPageUptodate(page);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_inode->i_mutex);
-+#else
-+ up(&hidden_inode->i_sem);
-+#endif
-+ print_exit_status(err);
-+ return err; /* assume all is ok */
-+}
-+
-+
-+STATIC int
-+mini_fo_bmap(struct address_space *mapping, long block)
-+{
-+ int err = 0;
-+ inode_t *inode;
-+ inode_t *hidden_inode;
-+
-+ print_entry_location();
-+
-+ inode = (inode_t *) mapping->host;
-+ hidden_inode = itohi(inode);
-+
-+ if (hidden_inode->i_mapping->a_ops->bmap)
-+ err = hidden_inode->i_mapping->a_ops->bmap(hidden_inode->i_mapping, block);
-+ print_exit_location();
-+ return err;
-+}
-+
-+
-+/*
-+ * This function is copied verbatim from mm/filemap.c.
-+ * XXX: It should be simply moved to some header file instead -- bug Al about it!
-+ */
-+static inline int sync_page(struct page *page)
-+{
-+ struct address_space *mapping = page->mapping;
-+
-+ if (mapping && mapping->a_ops && mapping->a_ops->sync_page)
-+ return mapping->a_ops->sync_page(page);
-+ return 0;
-+}
-+
-+
-+/*
-+ * XXX: we may not need this function if not FIST_FILTER_DATA.
-+ * FIXME: for FIST_FILTER_SCA, get all lower pages and sync them each.
-+ */
-+STATIC int
-+mini_fo_sync_page(page_t *page)
-+{
-+ int err = 0;
-+ inode_t *inode;
-+ inode_t *hidden_inode;
-+ page_t *hidden_page;
-+
-+ print_entry_location();
-+
-+ inode = page->mapping->host; /* CPW: Moved below print_entry_location */
-+ hidden_inode = itohi(inode);
-+
-+ /* find lower page (returns a locked page) */
-+ hidden_page = grab_cache_page(hidden_inode->i_mapping, page->index);
-+ if (!hidden_page)
-+ goto out;
-+
-+ err = sync_page(hidden_page);
-+
-+ UnlockPage(hidden_page); /* b/c grab_cache_page locked it */
-+ page_cache_release(hidden_page); /* b/c grab_cache_page increased refcnt */
-+
-+ out:
-+ print_exit_status(err);
-+ return err;
-+}
---- /dev/null
-+++ b/fs/mini_fo/README
-@@ -0,0 +1,163 @@
-+README for the mini_fo overlay file system
-+=========================================
-+
-+
-+WHAT IS MINI_FO?
-+----------------
-+
-+mini_fo is a virtual kernel file system that can make read-only
-+file systems writable. This is done by redirecting modifying operations
-+to a writeable location called "storage directory", and leaving the
-+original data in the "base directory" untouched. When reading, the
-+file system merges the modifed and original data so that only the
-+newest versions will appear. This occurs transparently to the user,
-+who can access the data like on any other read-write file system.
-+
-+Base and storage directories may be located on the same or on
-+different partitions and may be of different file system types. While
-+the storage directory obviously needs to be writable, the base may or
-+may not be writable, what doesn't matter as it will no be modified
-+anyway.
-+
-+
-+WHAT IS GOOD FOR?
-+-----------------
-+
-+The primary purpose of the mini_fo file system is to allow easy
-+software updates to embedded systems, that often store their root
-+file system in a read-only flash file system, but there are many
-+more as for example sandboxing, or for allowing live-cds to
-+permanently store information.
-+
-+
-+BUILDING
-+--------
-+This should be simple. Adjust the Makefile to point to the correct
-+kernel headers you want to build the module for. Then:
-+
-+ # make
-+
-+should build "mini_fo.o" for a 2.4 kernel or "mini_fo.ko" for a 2.6
-+kernel.
-+
-+If you are building the module for you current kernel, you can install
-+the module (as root):
-+
-+ # make install
-+
-+or uninstall with
-+
-+ # make uninstall
-+
-+
-+USING THE FILE SYSTEM
-+--------------------
-+
-+the general mount syntax is:
-+
-+ mount -t mini_fo -o base=<base directory>,sto=<storage directory>\
-+ <base directory> <mount point>
-+
-+Example:
-+
-+You have mounted a cdrom to /mnt/cdrom and want to modifiy some files
-+on it:
-+
-+load the module (as root)
-+
-+ # insmod mini_fo.o for a 2.4 kernel or
-+
-+ # insmod mini_fo.ko for a 2.6 kernel
-+
-+
-+create a storage dir in tmp and a mountpoint for mini_fo:
-+
-+ # mkdir /tmp/sto
-+ # mkdir /mnt/mini_fo
-+
-+and mount the mini_fo file system:
-+
-+ # mount -t mini_fo -o base=/mnt/cdrom,sto=/tmp/sto /mnt/cdrom /mnt/mini_fo
-+
-+
-+Now the data stored on the cd can be accessed via the mini_fo
-+mountpoint just like any read-write file system, files can be modified
-+and deleted, new ones can be created and so on. When done unmount the
-+file system:
-+
-+ # unmount /mnt/mini_fo
-+
-+Note that if the file system is mounted again using the same storage
-+file system, of course it will appear in the modified state again. If
-+you remount it using an new empty storage directory, it will be
-+unmodified. Therefore by executing:
-+
-+ # cd /tmp/sto
-+ # rm -rf *
-+
-+you can nuke all the changes you made to the original file system. But
-+ remember NEVER do this while the mini_fo file system is mounted!
-+
-+
-+Alternatively you can use the mini_fo-overlay bash script, that
-+simplifies managing mini_fo mounts. See TOOLS Section.
-+
-+
-+TOOLS
-+-----
-+
-+mini_fo-merge (experimental):
-+
-+This is a bash script that will merge changes contained in the storage
-+directory back to the base directory. This allows mini_fo to function
-+as a cache file system by overlaying a slow (network, ...) file system
-+and using a fast (ramdisk, ...) as storage. When done, changes can be
-+merged back to the (slow) base with mini_fo-merge. See "mini_fo-merge
-+-h" for details.
-+
-+It can be usefull for merging changes back after a successfull test
-+(patches, software updates...)
-+
-+
-+mini_fo-overlay:
-+
-+This bash script simplifies managing one or more mini_fo mounts. For
-+overlaying a directory called "basedir1", you can just call:
-+
-+ # mini_fo-overlay basedir1
-+
-+This will mount mini_fo with "basedir1" as base, "/tmp/sto-basedir1/"
-+as storage to "/mnt/mini_fo-basedir1/". It has more options though,
-+type "mini_fo-overlay -h" for details.
-+
-+
-+DOCUMENTATION, REPORTING BUGS, GETTING HELP
-+-------------------------------------------
-+
-+Please visit the mini_fo project page at:
-+
-+http://www.denx.de/twiki/bin/view/Know/MiniFOHome
-+
-+
-+WARNINGS
-+--------
-+
-+Never modify the base or the storage directorys while the mini_fo
-+file system is mounted, or you might crash you system. Simply accessing
-+and reading should not cause any trouble.
-+
-+Exporting a mini_fo mount point via NFS has not been tested, and may
-+or may not work.
-+
-+Check the RELEASE_NOTES for details on bugs and features.
-+
-+
-+
-+Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+
-+This program is free software; you can redistribute it and/or
-+modify it under the terms of the GNU General Public License
-+as published by the Free Software Foundation; either version
-+2 of the License, or (at your option) any later version.
-+
-+
---- /dev/null
-+++ b/fs/mini_fo/RELEASE_NOTES
-@@ -0,0 +1,111 @@
-+Release: mini_fo-0.6.1 (v0-6-1)
-+Date: 21.09.2005
-+
-+
-+Changes:
-+--------
-+v0-6-1:
-+
-+- bugfixes (see ChangeLog)
-+
-+- two helper scripts "mini_fo_merge" and "mini_fo_overlay" (see
-+ README for details).
-+
-+v0-6-0:
-+
-+- Support for 2.4 and 2.6 (see Makefile)
-+
-+- Partial hard link support (creating works as expected, but already
-+ existing links in the base file system will be treated as if they
-+ were individual files).
-+
-+- Various bugfixes and cleanups.
-+
-+
-+v0-6-0-pre1:
-+
-+- This is mini_fo-0-6-0-pre1! This release is a complete rewrite of
-+ many vital mini_fo parts such as the old whiteout list code which
-+ has been replaced by the new META subsystem.
-+
-+- Light weight directory renaming implemented. This means if a
-+ directory is renamed via the mini_fo filesystem this will no longer
-+ result in a complete copy in storage, instead only one empty
-+ directory will be created. All base filed contained in the original
-+ directory stay there until modified.
-+
-+- Special files (creating, renaming, deleting etc.) now working.
-+
-+- Many bugfixes and cleanup, mini_fo is now a lot more stable.
-+
-+
-+v0-5-10:
-+
-+- Final release of the 0-5-* versions. Next will be a complete rewrite
-+ of many features. This release contains several bugfixes related to
-+ directory renaming.
-+
-+
-+v0-5-10-pre6:
-+
-+- Lots of cleanup and several bugfixes related to directory deleting
-+
-+- Directory renaming suddenly works, what is most likely due to the
-+ fact tha that "mv" is smart: if the classic rename doesn't work it
-+ will assume that source and target file are on different fs and will
-+ copy the directory and try to remove the source directory. Until
-+ directory removing wasn't implemented, it would fail to do this and
-+ rollback.
-+ So, directory renaming works for now, but it doesn't yet do what you
-+ would expect from a overlay fs, so use with care.
-+
-+
-+v0-5-10-pre5:
-+
-+- implemented directory deleting
-+- made parsing of mount options more stable
-+- New format of mount options! (See README)
-+- I can't reproduce the unknown panic with 2.4.25 anymore, so I'll
-+ happily assume it never existed!
-+
-+
-+Implemented features:
-+---------------------
-+
-+- creating hard links (see BUGS on already existing hard links)
-+- lightweight directory renaming
-+- renaming device files, pipes, sockets, etc.
-+- creating, renaming, deleting of special files
-+- deleting directorys
-+- general directory reading (simple "ls" )
-+- creating files in existing directorys
-+- creating directorys
-+- renaming files.
-+- reading and writing files (involves opening)
-+- appending to files (creates copy in storage)
-+- deleting files
-+- llseek works too, what allows editors to work
-+- persistency (a deleted file stay deleted over remounts)
-+- use of symbolic links
-+- creating of device files
-+
-+
-+Not (yet) implemented features:
-+-------------------------------
-+
-+- full hard link support.
-+
-+
-+
-+BUGS:
-+-----
-+
-+Hard links in the base file system will be treated as individual
-+files, not as links to one inode.
-+
-+The main problem with hard links isn't allowing to create them, but
-+their pure existence. If you modify a base hard link, the changes made
-+will only show up on this link, the other link will remain in the
-+original state. I hope to fix this someday. Please note that this does
-+not effect the special hard links '.' and '..', that are handled
-+seperately by the lower fs.
---- /dev/null
-+++ b/fs/mini_fo/state.c
-@@ -0,0 +1,620 @@
-+/*
-+ * Copyright (C) 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif /* HAVE_CONFIG_H */
-+
-+#include "fist.h"
-+#include "mini_fo.h"
-+
-+
-+/* create the storage file, setup new states */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+int create_sto_reg_file(dentry_t *dentry, int mode, struct nameidata *nd)
-+#else
-+int create_sto_reg_file(dentry_t *dentry, int mode)
-+#endif
-+{
-+ int err = 0;
-+ inode_t *dir;
-+ dentry_t *hidden_sto_dentry;
-+ dentry_t *hidden_sto_dir_dentry;
-+
-+ if(exists_in_storage(dentry)) {
-+ printk(KERN_CRIT "mini_fo: create_sto_file: wrong type or state.\n");
-+ err = -EINVAL;
-+ goto out;
-+ }
-+ err = get_neg_sto_dentry(dentry);
-+
-+ if (err) {
-+ printk(KERN_CRIT "mini_fo: create_sto_file: ERROR getting neg. sto dentry.\n");
-+ goto out;
-+ }
-+
-+ dir = dentry->d_parent->d_inode;
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* lock parent */
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ err = PTR_ERR(hidden_sto_dir_dentry);
-+ if (IS_ERR(hidden_sto_dir_dentry))
-+ goto out;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ err = vfs_create(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry,
-+ mode, nd);
-+#else
-+ err = vfs_create(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry,
-+ mode);
-+#endif
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: create_sto_file: ERROR creating sto file.\n");
-+ goto out_lock;
-+ }
-+
-+ if(!dtohd2(dentry)->d_inode) {
-+ printk(KERN_CRIT "mini_fo: create_sto_file: ERROR creating sto file [2].\n");
-+ err = -EINVAL;
-+ goto out_lock;
-+ }
-+
-+ /* interpose the new inode */
-+ if(dtost(dentry) == DELETED) {
-+ dtost(dentry) = DEL_REWRITTEN;
-+ err = mini_fo_tri_interpose(NULL, hidden_sto_dentry, dentry, dir->i_sb, 0);
-+ if(err)
-+ goto out_lock;
-+ }
-+ else if(dtost(dentry) == NON_EXISTANT) {
-+ dtost(dentry) = CREATED;
-+ err = mini_fo_tri_interpose(dtohd(dentry), hidden_sto_dentry, dentry, dir->i_sb, 0);
-+ if(err)
-+ goto out_lock;
-+ }
-+ else if(dtost(dentry) == UNMODIFIED) {
-+ dtost(dentry) = MODIFIED;
-+ /* interpose on new inode */
-+ if(itohi2(dentry->d_inode) != NULL) {
-+ printk(KERN_CRIT "mini_fo: create_sto_file: invalid inode detected.\n");
-+ err = -EINVAL;
-+ goto out_lock;
-+ }
-+ itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);
-+ }
-+ fist_copy_attr_timesizes(dentry->d_parent->d_inode,
-+ hidden_sto_dir_dentry->d_inode);
-+
-+ out_lock:
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+ out:
-+ return err;
-+}
-+
-+/* create the sto dir, setup states */
-+int create_sto_dir(dentry_t *dentry, int mode)
-+{
-+ int err = 0;
-+ inode_t *dir;
-+ dentry_t *hidden_sto_dentry;
-+ dentry_t *hidden_sto_dir_dentry;
-+
-+ /* had to take the "!S_ISDIR(mode))" check out, because it failed */
-+ if(exists_in_storage(dentry)) {
-+ printk(KERN_CRIT "mini_fo: create_sto_dir: wrong type or state.\\
-+n");
-+ err = -EINVAL;
-+ goto out;
-+ }
-+
-+ err = get_neg_sto_dentry(dentry);
-+ if(err) {
-+ err = -EINVAL;
-+ goto out;
-+ }
-+
-+ dir = dentry->d_parent->d_inode;
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ err = PTR_ERR(hidden_sto_dir_dentry);
-+ if (IS_ERR(hidden_sto_dir_dentry))
-+ goto out;
-+
-+ err = vfs_mkdir(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry,
-+ mode);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: create_sto_dir: ERROR creating sto dir.\n");
-+ goto out_lock;
-+ }
-+
-+ if(!dtohd2(dentry)->d_inode) {
-+ printk(KERN_CRIT "mini_fo: create_sto_dir: ERROR creating sto dir [2].\n");
-+ err = -EINVAL;
-+ goto out_lock;
-+ }
-+
-+ /* interpose the new inode */
-+ if(dtost(dentry) == DELETED) {
-+ dtost(dentry) = DEL_REWRITTEN;
-+ err = mini_fo_tri_interpose(NULL, hidden_sto_dentry, dentry, dir->i_sb, 0);
-+ if(err)
-+ goto out_lock;
-+ }
-+ else if(dtopd(dentry)->state == NON_EXISTANT) {
-+ dtopd(dentry)->state = CREATED;
-+ err = mini_fo_tri_interpose(dtohd(dentry), hidden_sto_dentry, dentry, dir->i_sb, 0);
-+ if(err)
-+ goto out_lock;
-+ }
-+ else if(dtopd(dentry)->state == UNMODIFIED) {
-+ dtopd(dentry)->state = MODIFIED;
-+ /* interpose on new inode */
-+ if(itohi2(dentry->d_inode) != NULL) {
-+ printk(KERN_CRIT "mini_fo: create_sto_dir: ERROR, invalid inode detected.\n");
-+ err = -EINVAL;
-+ goto out_lock;
-+ }
-+ itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);
-+ }
-+
-+ fist_copy_attr_timesizes(dir, hidden_sto_dir_dentry->d_inode);
-+
-+ /* initalize the wol list */
-+ itopd(dentry->d_inode)->deleted_list_size = -1;
-+ itopd(dentry->d_inode)->renamed_list_size = -1;
-+ meta_build_lists(dentry);
-+
-+
-+ out_lock:
-+ /* was: unlock_dir(hidden_sto_dir_dentry); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+ out:
-+ return err;
-+}
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+int create_sto_nod(dentry_t *dentry, int mode, dev_t dev)
-+#else
-+int create_sto_nod(dentry_t *dentry, int mode, int dev)
-+#endif
-+{
-+ int err = 0;
-+ inode_t *dir;
-+ dentry_t *hidden_sto_dentry;
-+ dentry_t *hidden_sto_dir_dentry;
-+
-+ if(exists_in_storage(dentry)) {
-+ err = -EEXIST;
-+ goto out;
-+ }
-+ err = get_neg_sto_dentry(dentry);
-+
-+ if (err) {
-+ printk(KERN_CRIT "mini_fo: create_sto_nod: ERROR getting neg. sto dentry.\n");
-+ goto out;
-+ }
-+
-+ dir = dentry->d_parent->d_inode;
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* lock parent */
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ err = PTR_ERR(hidden_sto_dir_dentry);
-+ if (IS_ERR(hidden_sto_dir_dentry))
-+ goto out;
-+
-+ err = vfs_mknod(hidden_sto_dir_dentry->d_inode, hidden_sto_dentry, mode, dev);
-+ if(err)
-+ goto out_lock;
-+
-+ if(!dtohd2(dentry)->d_inode) {
-+ printk(KERN_CRIT "mini_fo: create_sto_nod: creating storage inode failed [1].\n");
-+ err = -EINVAL; /* return something indicating failure */
-+ goto out_lock;
-+ }
-+
-+ /* interpose the new inode */
-+ if(dtost(dentry) == DELETED) {
-+ dtost(dentry) = DEL_REWRITTEN;
-+ err = mini_fo_tri_interpose(NULL, hidden_sto_dentry, dentry, dir->i_sb, 0);
-+ if(err)
-+ goto out_lock;
-+ }
-+ else if(dtost(dentry) == NON_EXISTANT) {
-+ dtost(dentry) = CREATED;
-+ err = mini_fo_tri_interpose(dtohd(dentry), hidden_sto_dentry, dentry, dir->i_sb, 0);
-+ if(err)
-+ goto out_lock;
-+ }
-+ else if(dtost(dentry) == UNMODIFIED) {
-+ dtost(dentry) = MODIFIED;
-+ /* interpose on new inode */
-+ if(itohi2(dentry->d_inode) != NULL) {
-+ printk(KERN_CRIT "mini_fo: create_sto_nod: error, invalid inode detected.\n");
-+ err = -EINVAL;
-+ goto out_lock;
-+ }
-+ itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);
-+ }
-+
-+ fist_copy_attr_timesizes(dir, hidden_sto_dir_dentry->d_inode);
-+
-+ out_lock:
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+ out:
-+ return err;
-+}
-+
-+
-+/* unimplemented (and possibly not usefull):
-+
-+ nondir-del_to_del_rew
-+ nondir-non_exist_to_creat
-+
-+ dir-unmod_to_del
-+ dir-mod_to_del
-+ dir-creat_to_del
-+ dir-del_rew_to_del
-+ dir-del_to_del_rew
-+ dir-non_exist_to_creat
-+*/
-+
-+
-+/* bring a file of any type from state UNMODIFIED to MODIFIED */
-+int nondir_unmod_to_mod(dentry_t *dentry, int cp_flag)
-+{
-+ int err = 0;
-+ struct vfsmount *tgt_mnt;
-+ struct vfsmount *src_mnt;
-+ dentry_t *tgt_dentry;
-+ dentry_t *src_dentry;
-+ dentry_t *hidden_sto_dentry;
-+ dentry_t *hidden_sto_dir_dentry;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if((dtost(dentry) != UNMODIFIED) ||
-+ S_ISDIR(dentry->d_inode->i_mode)) {
-+ printk(KERN_CRIT "mini_fo: nondir_unmod_to_mod: \
-+ wrong type or state.\n");
-+ err = -1;
-+ goto out;
-+ }
-+ err = get_neg_sto_dentry(dentry);
-+
-+ if (err) {
-+ printk(KERN_CRIT "mini_fo: nondir_unmod_to_mod: \
-+ ERROR getting neg. sto dentry.\n");
-+ goto out;
-+ }
-+
-+ /* create sto file */
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* lock parent */
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ err = PTR_ERR(hidden_sto_dir_dentry);
-+ if (IS_ERR(hidden_sto_dir_dentry))
-+ goto out;
-+
-+ /* handle different types of nondirs */
-+ if(S_ISCHR(dentry->d_inode->i_mode) ||
-+ S_ISBLK(dentry->d_inode->i_mode)) {
-+ err = vfs_mknod(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry,
-+ dtohd(dentry)->d_inode->i_mode,
-+ dtohd(dentry)->d_inode->i_rdev);
-+ }
-+
-+ else if(S_ISREG(dentry->d_inode->i_mode)) {
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ err = vfs_create(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry,
-+ dtohd(dentry)->d_inode->i_mode, NULL);
-+#else
-+ err = vfs_create(hidden_sto_dir_dentry->d_inode,
-+ hidden_sto_dentry,
-+ dtohd(dentry)->d_inode->i_mode);
-+#endif
-+ }
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: nondir_unmod_to_mod: \
-+ ERROR creating sto file.\n");
-+ goto out_lock;
-+ }
-+
-+ /* interpose on new inode */
-+ if(itohi2(dentry->d_inode) != NULL) {
-+ printk(KERN_CRIT "mini_fo: nondir_unmod_to_mod: \
-+ ERROR, invalid inode detected.\n");
-+ err = -EINVAL;
-+ goto out_lock;
-+ }
-+
-+ itohi2(dentry->d_inode) = igrab(dtohd2(dentry)->d_inode);
-+
-+ fist_copy_attr_timesizes(dentry->d_parent->d_inode,
-+ hidden_sto_dir_dentry->d_inode);
-+ dtost(dentry) = MODIFIED;
-+
-+ /* copy contents if regular file and cp_flag = 1 */
-+ if((cp_flag == 1) && S_ISREG(dentry->d_inode->i_mode)) {
-+
-+ /* unlock first */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ dput(hidden_sto_dir_dentry);
-+
-+ tgt_dentry = dtohd2(dentry);
-+ tgt_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
-+ src_dentry = dtohd(dentry);
-+ src_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt;
-+
-+ err = mini_fo_cp_cont(tgt_dentry, tgt_mnt,
-+ src_dentry, src_mnt);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: nondir_unmod_to_mod: \
-+ ERROR copying contents.\n");
-+ }
-+ goto out;
-+ }
-+
-+ out_lock:
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+ out:
-+ return err;
-+}
-+
-+/* this function is currently identical to nondir_creat_to_del */
-+int nondir_del_rew_to_del(dentry_t *dentry)
-+{
-+ return nondir_creat_to_del(dentry);
-+}
-+
-+int nondir_creat_to_del(dentry_t *dentry)
-+{
-+ int err = 0;
-+
-+ inode_t *hidden_sto_dir_inode;
-+ dentry_t *hidden_sto_dir_dentry;
-+ dentry_t *hidden_sto_dentry;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ /* for now this function serves for both state DEL_REWRITTEN and
-+ * CREATED */
-+ if(!(dtost(dentry) == CREATED || (dtost(dentry) == DEL_REWRITTEN)) ||
-+ S_ISDIR(dentry->d_inode->i_mode)) {
-+ printk(KERN_CRIT "mini_fo: nondir_mod_to_del/del_rew_to_del: \
-+ wrong type or state.\n");
-+ err = -1;
-+ goto out;
-+ }
-+
-+ hidden_sto_dir_inode = itohi2(dentry->d_parent->d_inode);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry);*/
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ /* avoid destroying the hidden inode if the file is in use */
-+ dget(hidden_sto_dentry);
-+ err = vfs_unlink(hidden_sto_dir_inode, hidden_sto_dentry);
-+ dput(hidden_sto_dentry);
-+ if(!err)
-+ d_delete(hidden_sto_dentry);
-+
-+ /* propagate number of hard-links */
-+ dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
-+
-+ dtost(dentry) = NON_EXISTANT;
-+
-+ /* was: unlock_dir(hidden_sto_dir_dentry); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+
-+ out:
-+ return err;
-+}
-+
-+int nondir_mod_to_del(dentry_t *dentry)
-+{
-+ int err;
-+ dentry_t *hidden_sto_dentry;
-+ inode_t *hidden_sto_dir_inode;
-+ dentry_t *hidden_sto_dir_dentry;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if(dtost(dentry) != MODIFIED ||
-+ S_ISDIR(dentry->d_inode->i_mode)) {
-+ printk(KERN_CRIT "mini_fo: nondir_mod_to_del: \
-+ wrong type or state.\n");
-+ err = -1;
-+ goto out;
-+ }
-+
-+ hidden_sto_dir_inode = itohi2(dentry->d_parent->d_inode);
-+ hidden_sto_dentry = dtohd2(dentry);
-+
-+ /* was hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */
-+ hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent);
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ down(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+
-+ /* avoid destroying the hidden inode if the file is in use */
-+ dget(hidden_sto_dentry);
-+ err = vfs_unlink(hidden_sto_dir_inode, hidden_sto_dentry);
-+ dput(hidden_sto_dentry);
-+ if(!err)
-+ d_delete(hidden_sto_dentry);
-+
-+ /* propagate number of hard-links */
-+ dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink;
-+
-+ /* dput base dentry, this will relase the inode and free the
-+ * dentry, as we will never need it again. */
-+ dput(dtohd(dentry));
-+ dtohd(dentry) = NULL;
-+ dtost(dentry) = DELETED;
-+
-+ /* add deleted file to META-file */
-+ meta_add_d_entry(dentry->d_parent,
-+ dentry->d_name.name,
-+ dentry->d_name.len);
-+
-+ /* was: unlock_dir(hidden_sto_dir_dentry); */
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
-+ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex);
-+#else
-+ up(&hidden_sto_dir_dentry->d_inode->i_sem);
-+#endif
-+ dput(hidden_sto_dir_dentry);
-+
-+ out:
-+ return err;
-+}
-+
-+int nondir_unmod_to_del(dentry_t *dentry)
-+{
-+ int err = 0;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if(dtost(dentry) != UNMODIFIED ||
-+ S_ISDIR(dentry->d_inode->i_mode)) {
-+ printk(KERN_CRIT "mini_fo: nondir_unmod_to_del: \
-+ wrong type or state.\n");
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* next we have to get a negative dentry for the storage file */
-+ err = get_neg_sto_dentry(dentry);
-+
-+ if(err)
-+ goto out;
-+
-+ /* add deleted file to META lists */
-+ err = meta_add_d_entry(dentry->d_parent,
-+ dentry->d_name.name,
-+ dentry->d_name.len);
-+
-+ if(err)
-+ goto out;
-+
-+ /* dput base dentry, this will relase the inode and free the
-+ * dentry, as we will never need it again. */
-+ dput(dtohd(dentry));
-+ dtohd(dentry) = NULL;
-+ dtost(dentry) = DELETED;
-+
-+ out:
-+ return err;
-+}
-+
-+/* bring a dir from state UNMODIFIED to MODIFIED */
-+int dir_unmod_to_mod(dentry_t *dentry)
-+{
-+ int err;
-+
-+ check_mini_fo_dentry(dentry);
-+
-+ if(dtost(dentry) != UNMODIFIED ||
-+ !S_ISDIR(dentry->d_inode->i_mode)) {
-+ printk(KERN_CRIT "mini_fo: dir_unmod_to_mod: \
-+ wrong type or state.\n");
-+ err = -1;
-+ goto out;
-+ }
-+
-+ /* this creates our dir incl. sto. structure */
-+ err = build_sto_structure(dentry->d_parent, dentry);
-+ if(err) {
-+ printk(KERN_CRIT "mini_fo: dir_unmod_to_mod: \
-+ build_sto_structure failed.\n");
-+ goto out;
-+ }
-+ out:
-+ return err;
-+}
-+
---- /dev/null
-+++ b/fs/mini_fo/super.c
-@@ -0,0 +1,281 @@
-+/*
-+ * Copyright (c) 1997-2003 Erez Zadok
-+ * Copyright (c) 2001-2003 Stony Brook University
-+ *
-+ * For specific licensing information, see the COPYING file distributed with
-+ * this package, or get one from ftp://ftp.filesystems.org/pub/fist/COPYING.
-+ *
-+ * This Copyright notice must be kept intact and distributed with all
-+ * fistgen sources INCLUDING sources generated by fistgen.
-+ */
-+/*
-+ * Copyright (C) 2004, 2005 Markus Klotzbuecher <mk@creamnet.de>
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License
-+ * as published by the Free Software Foundation; either version
-+ * 2 of the License, or (at your option) any later version.
-+ */
-+
-+/*
-+ * $Id$
-+ */
-+
-+#ifdef HAVE_CONFIG_H
-+# include <config.h>
-+#endif
-+
-+#include "fist.h"
-+#include "mini_fo.h"
-+
-+
-+STATIC void
-+mini_fo_read_inode(inode_t *inode)
-+{
-+ static struct address_space_operations mini_fo_empty_aops;
-+
-+ __itopd(inode) = kmalloc(sizeof(struct mini_fo_inode_info), GFP_KERNEL);
-+ if (!itopd(inode)) {
-+ printk("<0>%s:%s:%d: No kernel memory!\n", __FILE__, __FUNCTION__, __LINE__);
-+ ASSERT(NULL);
-+ }
-+ itohi(inode) = NULL;
-+ itohi2(inode) = NULL;
-+
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+ inode->i_version++;
-+#else
-+ inode->i_version = ++event; /* increment inode version */
-+#endif
-+ inode->i_op = &mini_fo_main_iops;
-+ inode->i_fop = &mini_fo_main_fops;
-+#if 0
-+ /*
-+ * XXX: To export a file system via NFS, it has to have the
-+ * FS_REQUIRES_DEV flag, so turn it on. But should we inherit it from
-+ * the lower file system, or can we allow our file system to be exported
-+ * even if the lower one cannot be natively exported.
-+ */
-+ inode->i_sb->s_type->fs_flags |= FS_REQUIRES_DEV;
-+ /*
-+ * OK, the above was a hack, which is now turned off because it may
-+ * cause a panic/oops on some systems. The correct way to export a
-+ * "nodev" filesystem is via using nfs-utils > 1.0 and the "fsid=" export
-+ * parameter, which requires 2.4.20 or later.
-+ */
-+#endif
-+ /* I don't think ->a_ops is ever allowed to be NULL */
-+ inode->i_mapping->a_ops = &mini_fo_empty_aops;
-+}
-+
-+
-+#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
-+/*
-+ * No need to call write_inode() on the lower inode, as it
-+ * will have been marked 'dirty' anyway. But we might need
-+ * to write some of our own stuff to disk.
-+ */
-+STATIC void
-+mini_fo_write_inode(inode_t *inode, int sync)
-+{
-+ print_entry_location();
-+ print_exit_location();
-+}
-+#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
-+
-+
-+STATIC void
-+mini_fo_put_inode(inode_t *inode)
-+{
-+ /*
-+ * This is really funky stuff:
-+ * Basically, if i_count == 1, iput will then decrement it and this inode will be destroyed.
-+ * It is currently holding a reference to the hidden inode.
-+ * Therefore, it needs to release that reference by calling iput on the hidden inode.
-+ * iput() _will_ do it for us (by calling our clear_inode), but _only_ if i_nlink == 0.
-+ * The problem is, NFS keeps i_nlink == 1 for silly_rename'd files.
-+ * So we must for our i_nlink to 0 here to trick iput() into calling our clear_inode.
-+ */
-+ if (atomic_read(&inode->i_count) == 1)
-+ inode->i_nlink = 0;
-+}
-+
-+
-+#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
-+/*
-+ * we now define delete_inode, because there are two VFS paths that may
-+ * destroy an inode: one of them calls clear inode before doing everything
-+ * else that's needed, and the other is fine. This way we truncate the inode
-+ * size (and its pages) and then clear our own inode, which will do an iput
-+ * on our and the lower inode.
-+ */
-+STATIC void
-+mini_fo_delete_inode(inode_t *inode)
-+{
-+ print_entry_location();
-+
-+ fist_checkinode(inode, "mini_fo_delete_inode IN");
-+ inode->i_size = 0; /* every f/s seems to do that */
-+ clear_inode(inode);
-+
-+ print_exit_location();
-+}
-+#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
-+
-+
-+/* final actions when unmounting a file system */
-+STATIC void
-+mini_fo_put_super(super_block_t *sb)
-+{
-+ if (stopd(sb)) {
-+ mntput(stopd(sb)->hidden_mnt);
-+ mntput(stopd(sb)->hidden_mnt2);
-+
-+ /* mk: no! dput(stopd(sb)->base_dir_dentry);
-+ dput(stopd(sb)->storage_dir_dentry); */
-+
-+ kfree(stopd(sb));
-+ __stopd(sb) = NULL;
-+ }
-+}
-+
-+
-+#ifdef NOT_NEEDED
-+/*
-+ * This is called in do_umount before put_super.
-+ * The superblock lock is not held yet.
-+ * We probably do not need to define this or call write_super
-+ * on the hidden_sb, because sync_supers() will get to hidden_sb
-+ * sooner or later. But it is also called from file_fsync()...
-+ */
-+STATIC void
-+mini_fo_write_super(super_block_t *sb)
-+{
-+ return;
-+}
-+#endif /* NOT_NEEDED */
-+
-+
-+STATIC int
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+mini_fo_statfs(struct dentry *d, struct kstatfs *buf)
-+#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-+mini_fo_statfs(super_block_t *sb, struct kstatfs *buf)
-+#else
-+mini_fo_statfs(super_block_t *sb, struct statfs *buf)
-+#endif
-+{
-+ int err = 0;
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+ struct dentry *hidden_d;
-+
-+ hidden_d = dtohd(d);
-+ err = vfs_statfs(hidden_d, buf);
-+#else
-+ super_block_t *hidden_sb;
-+
-+ hidden_sb = stohs(sb);
-+ err = vfs_statfs(hidden_sb, buf);
-+#endif
-+
-+ return err;
-+}
-+
-+
-+/*
-+ * XXX: not implemented. This is not allowed yet.
-+ * Should we call this on the hidden_sb? Probably not.
-+ */
-+STATIC int
-+mini_fo_remount_fs(super_block_t *sb, int *flags, char *data)
-+{
-+ //printk(KERN_CRIT "mini_fo_remount_fs: WARNING, this function is umimplemented.\n");
-+ return -ENOSYS;
-+}
-+
-+
-+/*
-+ * Called by iput() when the inode reference count reached zero
-+ * and the inode is not hashed anywhere. Used to clear anything
-+ * that needs to be, before the inode is completely destroyed and put
-+ * on the inode free list.
-+ */
-+STATIC void
-+mini_fo_clear_inode(inode_t *inode)
-+{
-+ /*
-+ * Decrement a reference to a hidden_inode, which was incremented
-+ * by our read_inode when it was created initially.
-+ */
-+
-+ /* release the wol_list */
-+ if(S_ISDIR(inode->i_mode)) {
-+ __meta_put_lists(inode);
-+ }
-+
-+ /* mk: fan out fun */
-+ if(itohi(inode))
-+ iput(itohi(inode));
-+ if(itohi2(inode))
-+ iput(itohi2(inode));
-+
-+ // XXX: why this assertion fails?
-+ // because it doesn't like us
-+ // ASSERT((inode->i_state & I_DIRTY) == 0);
-+ kfree(itopd(inode));
-+ __itopd(inode) = NULL;
-+}
-+
-+
-+/*
-+ * Called in do_umount() if the MNT_FORCE flag was used and this
-+ * function is defined. See comment in linux/fs/super.c:do_umount().
-+ * Used only in nfs, to kill any pending RPC tasks, so that subsequent
-+ * code can actually succeed and won't leave tasks that need handling.
-+ *
-+ * PS. I wonder if this is somehow useful to undo damage that was
-+ * left in the kernel after a user level file server (such as amd)
-+ * dies.
-+ */
-+STATIC void
-+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,18)
-+mini_fo_umount_begin(struct vfsmount *mnt, int flags)
-+{
-+ struct vfsmount *hidden_mnt;
-+
-+ hidden_mnt = stopd(mnt->mnt_sb)->hidden_mnt;
-+
-+ if (hidden_mnt->mnt_sb->s_op->umount_begin)
-+ hidden_mnt->mnt_sb->s_op->umount_begin(hidden_mnt, flags);
-+
-+}
-+#else
-+mini_fo_umount_begin(super_block_t *sb)
-+{
-+ super_block_t *hidden_sb;
-+
-+ hidden_sb = stohs(sb);
-+
-+ if (hidden_sb->s_op->umount_begin)
-+ hidden_sb->s_op->umount_begin(hidden_sb);
-+
-+}
-+#endif
-+
-+
-+struct super_operations mini_fo_sops =
-+{
-+ read_inode: mini_fo_read_inode,
-+#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
-+ write_inode: mini_fo_write_inode,
-+#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
-+ put_inode: mini_fo_put_inode,
-+#if defined(FIST_DEBUG) || defined(FIST_FILTER_SCA)
-+ delete_inode: mini_fo_delete_inode,
-+#endif /* defined(FIST_DEBUG) || defined(FIST_FILTER_SCA) */
-+ put_super: mini_fo_put_super,
-+ statfs: mini_fo_statfs,
-+ remount_fs: mini_fo_remount_fs,
-+ clear_inode: mini_fo_clear_inode,
-+ umount_begin: mini_fo_umount_begin,
-+};
+++ /dev/null
---- a/include/linux/ieee80211.h
-+++ b/include/linux/ieee80211.h
-@@ -106,6 +106,75 @@
- } __attribute__ ((packed));
-
-
-+struct ieee80211_ht_capability {
-+ __le16 capabilities_info;
-+ u8 mac_ht_params_info;
-+ u8 supported_mcs_set[16];
-+ __le16 extended_ht_capability_info;
-+ __le32 tx_BF_capability_info;
-+ u8 antenna_selection_info;
-+}__attribute__ ((packed));
-+
-+struct ieee80211_ht_additional_info {
-+ u8 control_chan;
-+ u8 ht_param;
-+ __le16 operation_mode;
-+ __le16 stbc_param;
-+ u8 basic_set[16];
-+}__attribute__ ((packed));
-+
-+
-+#define IEEE80211_TSINFO_TYPE(a) ((a.byte1 & 0x01) >> 0)
-+#define IEEE80211_TSINFO_TSID(a) ((a.byte1 & 0x1E) >> 1)
-+#define IEEE80211_TSINFO_DIR(a) ((a.byte1 & 0x60) >> 5)
-+#define IEEE80211_TSINFO_POLICY(a) ((a.byte1 & 0x80) >> 7 + \
-+ (a.byte2 & 0x01) << 1)
-+#define IEEE80211_TSINFO_AGG(a) ((a.byte2 & 0x02) >> 1)
-+#define IEEE80211_TSINFO_APSD(a) ((a.byte2 & 0x04) >> 2)
-+#define IEEE80211_TSINFO_UP(a) ((a.byte2 & 0x38) >> 3)
-+#define IEEE80211_TSINFO_ACK(a) ((a.byte2 & 0xC0) >> 6)
-+#define IEEE80211_TSINFO_SCHEDULE(a) ((a.byte3 & 0x01) >> 0)
-+
-+#define IEEE80211_SET_TSINFO_TYPE(i, d) (i.byte1 |= (d << 0) & 0x01)
-+#define IEEE80211_SET_TSINFO_TSID(i, d) (i.byte1 |= (d << 1) & 0x1E)
-+#define IEEE80211_SET_TSINFO_DIR(i, d) (i.byte1 |= (d << 5) & 0x60)
-+#define IEEE80211_SET_TSINFO_POLICY(i, d) \
-+do { \
-+ i.byte1 |= (d & 0x01) << 7; \
-+ i.byte2 |= (d & 0x02) >> 1; \
-+} while(0)
-+#define IEEE80211_SET_TSINFO_AGG(i, d) (i.byte2 |= (d << 1) & 0x02)
-+#define IEEE80211_SET_TSINFO_APSD(i, d) (i.byte2 |= (d << 2) & 0x04)
-+#define IEEE80211_SET_TSINFO_UP(i, d) (i.byte2 |= (d << 3) & 0x38)
-+#define IEEE80211_SET_TSINFO_ACK(i, d) (i.byte2 |= (d << 6) & 0xC0)
-+#define IEEE80211_SET_TSINFO_SCHEDULE(i, d) (i.byte3 |= (d << 0) & 0x01)
-+
-+struct ieee80211_ts_info {
-+ u8 byte1;
-+ u8 byte2;
-+ u8 byte3;
-+} __attribute__ ((packed));
-+
-+struct ieee80211_elem_tspec {
-+ struct ieee80211_ts_info ts_info;
-+ __le16 nominal_msdu_size;
-+ __le16 max_msdu_size;
-+ __le32 min_service_interval;
-+ __le32 max_service_interval;
-+ __le32 inactivity_interval;
-+ __le32 suspension_interval;
-+ __le32 service_start_time;
-+ __le32 min_data_rate;
-+ __le32 mean_data_rate;
-+ __le32 peak_data_rate;
-+ __le32 burst_size;
-+ __le32 delay_bound;
-+ __le32 min_phy_rate;
-+ __le16 surplus_band_allow;
-+ __le16 medium_time;
-+} __attribute__ ((packed));
-+
-+
- struct ieee80211_mgmt {
- __le16 frame_control;
- __le16 duration;
-@@ -173,9 +242,51 @@
- struct {
- u8 action_code;
- u8 dialog_token;
-+ u8 variable[0];
-+ } __attribute__ ((packed)) addts_req;
-+ struct {
-+ u8 action_code;
-+ u8 dialog_token;
-+ __le16 status_code;
-+ u8 variable[0];
-+ } __attribute__ ((packed)) addts_resp;
-+ struct {
-+ u8 action_code;
-+ struct ieee80211_ts_info ts_info;
-+ __le16 reason_code;
-+ } __attribute__ ((packed)) delts;
-+ struct {
-+ u8 action_code;
-+ u8 dialog_token;
- u8 status_code;
- u8 variable[0];
- } __attribute__ ((packed)) wme_action;
-+ struct {
-+ u8 action_code;
-+ u8 dest[6];
-+ u8 src[6];
-+ __le16 capab_info;
-+ __le16 timeout;
-+ /* Followed by Supported Rates and
-+ * Extended Supported Rates */
-+ u8 variable[0];
-+ } __attribute__ ((packed)) dls_req;
-+ struct {
-+ u8 action_code;
-+ __le16 status_code;
-+ u8 dest[6];
-+ u8 src[6];
-+ /* Followed by Capability Information,
-+ * Supported Rates and Extended
-+ * Supported Rates */
-+ u8 variable[0];
-+ } __attribute__ ((packed)) dls_resp;
-+ struct {
-+ u8 action_code;
-+ u8 dest[6];
-+ u8 src[6];
-+ __le16 reason_code;
-+ } __attribute__ ((packed)) dls_teardown;
- struct{
- u8 action_code;
- u8 element_id;
-@@ -184,6 +295,25 @@
- u8 new_chan;
- u8 switch_count;
- } __attribute__((packed)) chan_switch;
-+ struct{
-+ u8 action_code;
-+ u8 dialog_token;
-+ __le16 capab;
-+ __le16 timeout;
-+ __le16 start_seq_num;
-+ } __attribute__((packed)) addba_req;
-+ struct{
-+ u8 action_code;
-+ u8 dialog_token;
-+ __le16 status;
-+ __le16 capab;
-+ __le16 timeout;
-+ } __attribute__((packed)) addba_resp;
-+ struct{
-+ u8 action_code;
-+ __le16 params;
-+ __le16 reason_code;
-+ }__attribute__((packed)) delba;
- } u;
- } __attribute__ ((packed)) action;
- } u;
-@@ -259,6 +389,18 @@
- WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
- WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
- WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
-+ /* 802.11e */
-+ WLAN_STATUS_UNSPECIFIED_QOS = 32,
-+ WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
-+ WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
-+ WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
-+ WLAN_STATUS_REQUEST_DECLINED = 37,
-+ WLAN_STATUS_INVALID_QOS_PARAM = 38,
-+ WLAN_STATUS_CHANGE_TSPEC = 39,
-+ WLAN_STATUS_WAIT_TS_DELAY = 47,
-+ WLAN_STATUS_NO_DIRECT_LINK = 48,
-+ WLAN_STATUS_STA_NOT_PRESENT = 49,
-+ WLAN_STATUS_STA_NOT_QSTA = 50,
- };
-
-
-@@ -289,9 +431,50 @@
- WLAN_REASON_INVALID_RSN_IE_CAP = 22,
- WLAN_REASON_IEEE8021X_FAILED = 23,
- WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
-+ /* 802.11e */
-+ WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
-+ WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
-+ WLAN_REASON_DISASSOC_LOW_ACK = 34,
-+ WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
-+ WLAN_REASON_QSTA_LEAVE_QBSS = 36,
-+ WLAN_REASON_QSTA_NOT_USE = 37,
-+ WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
-+ WLAN_REASON_QSTA_TIMEOUT = 39,
-+ WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
- };
-
-
-+/* Category Code */
-+enum ieee80211_category {
-+ WLAN_CATEGORY_SPECTRUM_MGMT = 0,
-+ WLAN_CATEGORY_QOS = 1,
-+ WLAN_CATEGORY_DLS = 2,
-+ WLAN_CATEGORY_BACK = 3,
-+ WLAN_CATEGORY_WMM = 17,
-+};
-+
-+/* QoS Action Code */
-+enum ieee80211_qos_actioncode {
-+ WLAN_ACTION_QOS_ADDTS_REQ = 0,
-+ WLAN_ACTION_QOS_ADDTS_RESP = 1,
-+ WLAN_ACTION_QOS_DELTS = 2,
-+ WLAN_ACTION_QOS_SCHEDULE = 3,
-+};
-+
-+/* DLS Action Code */
-+enum ieee80211_dls_actioncode {
-+ WLAN_ACTION_DLS_REQ = 0,
-+ WLAN_ACTION_DLS_RESP = 1,
-+ WLAN_ACTION_DLS_TEARDOWN = 2,
-+};
-+
-+/* BACK Action Code */
-+enum ieee80211_back_actioncode {
-+ WLAN_ACTION_ADDBA_REQ = 0,
-+ WLAN_ACTION_ADDBA_RESP = 1,
-+ WLAN_ACTION_DELBA = 2,
-+};
-+
- /* Information Element IDs */
- enum ieee80211_eid {
- WLAN_EID_SSID = 0,
-@@ -307,6 +490,15 @@
- WLAN_EID_HP_PARAMS = 8,
- WLAN_EID_HP_TABLE = 9,
- WLAN_EID_REQUEST = 10,
-+ /* 802.11e */
-+ WLAN_EID_QBSS_LOAD = 11,
-+ WLAN_EID_EDCA_PARAM_SET = 12,
-+ WLAN_EID_TSPEC = 13,
-+ WLAN_EID_TCLAS = 14,
-+ WLAN_EID_SCHEDULE = 15,
-+ WLAN_EID_TS_DELAY = 43,
-+ WLAN_EID_TCLAS_PROCESSING = 44,
-+ WLAN_EID_QOS_CAPA = 46,
- /* 802.11h */
- WLAN_EID_PWR_CONSTRAINT = 32,
- WLAN_EID_PWR_CAPABILITY = 33,
-@@ -321,6 +513,9 @@
- /* 802.11g */
- WLAN_EID_ERP_INFO = 42,
- WLAN_EID_EXT_SUPP_RATES = 50,
-+ /* 802.11n */
-+ WLAN_EID_HT_CAPABILITY = 45,
-+ WLAN_EID_HT_EXTRA_INFO = 61,
- /* 802.11i */
- WLAN_EID_RSN = 48,
- WLAN_EID_WPA = 221,
-@@ -329,6 +524,9 @@
- WLAN_EID_QOS_PARAMETER = 222
- };
-
-+/* 80211n */
-+#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
-+
- /* cipher suite selectors */
- #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
- #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
-@@ -339,4 +537,37 @@
-
- #define WLAN_MAX_KEY_LEN 32
-
-+enum ieee80211_tsinfo_direction {
-+ WLAN_TSINFO_UPLINK = 0,
-+ WLAN_TSINFO_DOWNLINK = 1,
-+ WLAN_TSINFO_DIRECTLINK = 2,
-+ WLAN_TSINFO_BIDIRECTIONAL = 3,
-+};
-+
-+enum ieee80211_tsinfo_access {
-+ WLAN_TSINFO_EDCA = 1,
-+ WLAN_TSINFO_HCCA = 2,
-+ WLAN_TSINFO_HEMM = 3,
-+};
-+
-+enum ieee80211_tsinfo_psb {
-+ WLAN_TSINFO_PSB_LEGACY = 0,
-+ WLAN_TSINFO_PSB_APSD = 1,
-+};
-+
-+
-+/* WI-FI Alliance OUI Type and Subtype */
-+enum wifi_oui_type {
-+ WIFI_OUI_TYPE_WPA = 1,
-+ WIFI_OUI_TYPE_WMM = 2,
-+ WIFI_OUI_TYPE_WSC = 4,
-+ WIFI_OUI_TYPE_PSD = 6,
-+};
-+
-+enum wifi_oui_stype_wmm {
-+ WIFI_OUI_STYPE_WMM_INFO = 0,
-+ WIFI_OUI_STYPE_WMM_PARAM = 1,
-+ WIFI_OUI_STYPE_WMM_TSPEC = 2,
-+};
-+
- #endif /* IEEE80211_H */
---- a/include/linux/nl80211.h
-+++ b/include/linux/nl80211.h
-@@ -7,6 +7,217 @@
- */
-
- /**
-+ * enum nl80211_commands - supported nl80211 commands
-+ * @NL80211_CMD_UNSPEC: unspecified command to catch errors
-+ * @NL80211_CMD_RENAME_WIPHY: rename a wiphy, needs
-+ * %NL80211_ATTR_WIPHY and %NL80211_ATTR_WIPHY_NAME
-+ * @NL80211_CMD_WIPHY_NEWNAME: rename notification
-+ * @NL80211_CMD_GET_CMDLIST: TO BE DEFINED PROPERLY. currently the code makes
-+ * it depend on the wiphy only but it really should depend on the
-+ * interface type too....
-+ * @NL80211_CMD_NEW_CMDLIST: command list result
-+ * @NL80211_CMD_ADD_VIRTUAL_INTERFACE: create a virtual interface for the
-+ * wiphy identified by an %NL80211_ATTR_WIPHY attribute with the given
-+ * %NL80211_ATTR_IFTYPE and %NL80211_ATTR_IFNAME.
-+ * @NL80211_CMD_DEL_VIRTUAL_INTERFACE: destroy a virtual interface identified
-+ * by %NL80211_ATTR_IFINDEX.
-+ * @NL80211_CMD_CHANGE_VIRTUAL_INTERFACE: change type of virtual interface to
-+ * the type given by %NL80211_ATTR_IFTYPE, the interface is identified by
-+ * %NL80211_ATTR_IFINDEX.
-+ * @NL80211_CMD_GET_WIPHYS: request a list of all wiphys present in the system
-+ * @NL80211_CMD_NEW_WIPHYS: returned list of all wiphys
-+ * @NL80211_CMD_GET_INTERFACES: request a list of all interfaces belonging to
-+ * the wiphy identified by %NL80211_ATTR_WIPHY
-+ * @NL80211_CMD_NEW_INTERFACES: result for %NL80211_CMD_GET_INTERFACES
-+ * @NL80211_CMD_INITIATE_SCAN: initiate a scan with the passed parameters. THe
-+ * parameters may contain %NL80211_ATTR_FLAG_SCAN_ACTIVE,
-+ * %NL80211_ATTR_PHYMODE and a list of channels in an
-+ * %NL80211_ATTR_CHANNEL_LIST attribute (an array of nested attributes)
-+ * containing %NL80211_ATTR_CHANNEL, %NL80211_ATTR_PHYMODE, and possibly
-+ * %NL80211_ATTR_FLAG_SCAN_ACTIVE. The outer %NL80211_ATTR_FLAG_SCAN_ACTIVE
-+ * is ignored when a channel list is present.
-+ * @NL80211_CMD_SCAN_RESULT: scan result, contains an array in
-+ * %NL80211_ATTR_BSS_LIST.
-+ * @NL80211_CMD_ASSOCIATE: associate with the given parameters
-+ * (%NL80211_ATTR_SSID is mandatory, %NL80211_ATTR_TIMEOUT_TU,
-+ * %NL80211_ATTR_BSSID, %NL80211_ATTR_CHANNEL, %NL80211_ATTR_PHYMODE,
-+ * and %NL80211_ATTR_IE may be given)
-+ * @NL80211_CMD_ADD_KEY: add a key with given %NL80211_ATTR_KEY_DATA,
-+ * %NL80211_ATTR_KEY_ID, %NL80211_ATTR_KEY_TYPE, %NL80211_ATTR_MAC and
-+ * %NL80211_ATTR_KEY_CIPHER attributes.
-+ * @NL80211_CMD_DEL_KEY: delete a key identified by %NL80211_ATTR_KEY_ID,
-+ * %NL80211_ATTR_KEY_TYPE and %NL80211_ATTR_MAC or all keys.
-+ * @__NL80211_CMD_AFTER_LAST: internal use
-+ */
-+enum nl80211_commands {
-+/* don't change the order or add anything inbetween, this is ABI! */
-+ NL80211_CMD_UNSPEC,
-+ /* %input: wiphy, wiphy_name */
-+ NL80211_CMD_RENAME_WIPHY,
-+ NL80211_CMD_WIPHY_NEWNAME,
-+ /* %input: wiphy|ifindex */
-+ NL80211_CMD_GET_CMDLIST,
-+ NL80211_CMD_NEW_CMDLIST,
-+ /* %input: wiphy, ifname, {iftype} */
-+ NL80211_CMD_ADD_VIRTUAL_INTERFACE,
-+ /* %input: wiphy, ifindex */
-+ NL80211_CMD_DEL_VIRTUAL_INTERFACE,
-+ /* %input: ifindex, iftype */
-+ NL80211_CMD_CHANGE_VIRTUAL_INTERFACE,
-+ /* %input: */
-+ NL80211_CMD_GET_WIPHYS,
-+ NL80211_CMD_NEW_WIPHYS,
-+ /* %input: wiphy */
-+ NL80211_CMD_GET_INTERFACES,
-+ NL80211_CMD_NEW_INTERFACES,
-+ NL80211_CMD_INITIATE_SCAN,
-+ NL80211_CMD_SCAN_RESULT,
-+ NL80211_CMD_GET_ASSOCIATION,
-+ NL80211_CMD_ASSOCIATION_CHANGED,
-+ NL80211_CMD_ASSOCIATE,
-+ NL80211_CMD_DISASSOCIATE,
-+ NL80211_CMD_DEAUTH,
-+ NL80211_CMD_GET_AUTH_LIST,
-+ NL80211_CMD_NEW_AUTH_LIST,
-+ NL80211_CMD_AUTHENTICATION_CHANGED,
-+ NL80211_CMD_AP_SET_BEACON,
-+ NL80211_CMD_AP_ADD_STA,
-+ NL80211_CMD_AP_UPDATE_STA,
-+ NL80211_CMD_AP_GET_STA_INFO,
-+ NL80211_CMD_AP_SET_RATESETS,
-+ NL80211_CMD_ADD_KEY,
-+ NL80211_CMD_DEL_KEY,
-+
-+ /* add commands here */
-+
-+ /* used to define NL80211_CMD_MAX below */
-+ __NL80211_CMD_AFTER_LAST
-+};
-+#define NL80211_CMD_MAX (__NL80211_CMD_AFTER_LAST - 1)
-+
-+
-+/**
-+ * enum nl80211_attrs - nl80211 netlink attributes
-+ * @NL80211_ATTR_UNSPEC: unspecified attribute to catch errors
-+ * @NL80211_ATTR_IFINDEX: network interface index of the device to operate on
-+ * @NL80211_ATTR_IFNAME: network interface name
-+ * @NL80211_ATTR_WIPHY: index of wiphy to operate on, cf.
-+ * /sys/class/ieee80211/<phyname>/index
-+ * @NL80211_ATTR_WIPHY_NAME: wiphy name (used for renaming)
-+ * @NL80211_ATTR_CMDS: list of u8's identifying commands a device supports
-+ * @NL80211_ATTR_IFTYPE: type of virtual interface, see &enum nl80211_iftype
-+ * @NL80211_ATTR_INTERFACE_LIST: interface array, nested netlink attribute
-+ * @NL80211_ATTR_WIPHY_LIST: wiphy array, nested netlink attribute
-+ * @NL80211_ATTR_BSSID: BSSID (must be 6 bytes)
-+ * @NL80211_ATTR_SSID: SSID (1-32 bytes)
-+ * @NL80211_ATTR_CHANNEL: channel number
-+ * @NL80211_ATTR_PHYMODE: PHY mode, see &enum nl80211_phymode
-+ * @NL80211_ATTR_CHANNEL_LIST: netlink nested attribute array containing scan
-+ * parameters for channels
-+ * @NL80211_ATTR_BSS_LIST: nested attribute containing an array
-+ * @NL80211_ATTR_BSSTYPE: BSS type, see &enum nl80211_bsstype
-+ * @NL80211_ATTR_BEACON_PERIOD: beacon period
-+ * @NL80211_ATTR_DTIM_PERIOD: DTIM period
-+ * @NL80211_ATTR_TIMESTAMP: 64-bit timestamp of received beacon/probe response
-+ * @NL80211_ATTR_IE: information element(s), maximum length %NL80211_MAX_IE_LEN
-+ * @NL80211_ATTR_AUTH_ALGORITHM: authentication algorithm
-+ * @NL80211_ATTR_TIMEOUT_TU: timeout in TU (TO BE USED)
-+ * @NL80211_ATTR_REASON_CODE: 802.11 reason code
-+ * @NL80211_ATTR_ASSOCIATION_ID: association ID (u16, 1-2007)
-+ * @NL80211_ATTR_DEAUTHENTICATED: TO BE USED
-+ * @NL80211_ATTR_RX_SENSITIVITY: receiver sensitivity in dBm
-+ * @NL80211_ATTR_TRANSMIT_POWER: transmit power in mW
-+ * @NL80211_ATTR_FRAG_THRESHOLD: fragmentation threshold (bytes)
-+ * @NL80211_ATTR_FLAG_SCAN_ACTIVE: netlink flag indiciating active scan
-+ * @NL80211_ATTR_KEY_DATA: temporal key data
-+ * @NL80211_ATTR_KEY_ID: key ID (u8, 0-3)
-+ * @NL80211_ATTR_KEY_TYPE: key type (see &enum nl80211_keytype)
-+ * @NL80211_ATTR_MAC: MAC address
-+ * @NL80211_ATTR_KEY_CIPHER: key cipher suite (u32)
-+ * @__NL80211_ATTR_AFTER_LAST: internal use
-+ */
-+enum nl80211_attrs {
-+/* don't change the order or add anything inbetween, this is ABI! */
-+ NL80211_ATTR_UNSPEC,
-+ /* %type: u32 */
-+ NL80211_ATTR_IFINDEX,
-+ /* %type: nulstring */
-+ NL80211_ATTR_IFNAME,
-+ /* %type: u32 */
-+ NL80211_ATTR_WIPHY,
-+ /* %type: nulstring */
-+ NL80211_ATTR_WIPHY_NAME,
-+ NL80211_ATTR_CMDS,
-+ /* %type: u32 */
-+ NL80211_ATTR_IFTYPE,
-+ NL80211_ATTR_INTERFACE_LIST,
-+ NL80211_ATTR_WIPHY_LIST,
-+ NL80211_ATTR_BSSID,
-+ NL80211_ATTR_SSID,
-+ NL80211_ATTR_CHANNEL,
-+ NL80211_ATTR_PHYMODE,
-+ NL80211_ATTR_CHANNEL_LIST,
-+ NL80211_ATTR_BSS_LIST,
-+ NL80211_ATTR_BSSTYPE,
-+ NL80211_ATTR_BEACON_PERIOD,
-+ NL80211_ATTR_DTIM_PERIOD,
-+ NL80211_ATTR_TIMESTAMP,
-+ NL80211_ATTR_IE,
-+ NL80211_ATTR_AUTH_ALGORITHM,
-+ NL80211_ATTR_TIMEOUT_TU,
-+ NL80211_ATTR_REASON_CODE,
-+ NL80211_ATTR_ASSOCIATION_ID,
-+ NL80211_ATTR_DEAUTHENTICATED,
-+ NL80211_ATTR_RX_SENSITIVITY,
-+ NL80211_ATTR_TRANSMIT_POWER,
-+ NL80211_ATTR_FRAG_THRESHOLD,
-+ NL80211_ATTR_FLAG_SCAN_ACTIVE,
-+
-+ NL80211_ATTR_KEY_DATA,
-+ NL80211_ATTR_KEY_ID,
-+ NL80211_ATTR_KEY_TYPE,
-+ NL80211_ATTR_MAC,
-+ NL80211_ATTR_KEY_CIPHER,
-+
-+ NL80211_ATTR_BEACON_HEAD,
-+ NL80211_ATTR_BEACON_TAIL,
-+
-+ /* add attributes here, update the policy in nl80211.c */
-+
-+ /* used to define NL80211_ATTR_MAX below */
-+ __NL80211_ATTR_AFTER_LAST,
-+};
-+#define NL80211_ATTR_MAX (__NL80211_ATTR_AFTER_LAST - 1)
-+
-+/**
-+ * enum nl80211_multicast_groups - multicast groups for nl80211
-+ * @NL80211_GROUP_CONFIG: members of this group are notified of
-+ * configuration changes
-+ */
-+enum nl80211_multicast_groups {
-+ /* be notified of configuration changes like wiphy renames */
-+ NL80211_GROUP_CONFIG,
-+
-+ /* add groups here */
-+
-+ /* keep last */
-+ __NL80211_GROUP_AFTER_LAST
-+};
-+#define NL80211_GROUP_MAX (__NL80211_GROUP_AFTER_LAST - 1)
-+
-+/*
-+ * maximum length of IE(s) passed in an NL80211_ATTR_IE.
-+ * this is an arbitrary limit, 774 means three full-length
-+ * IEs would fit... increase if necessary */
-+#define NL80211_MAX_IE_LEN 774
-+
-+/*
-+ * maximum number of items in an ATTR_CHANNEL_LIST,
-+ * just to avoid too large allocations
-+ */
-+#define NL80211_MAX_CHANNEL_LIST_ITEM 200
-+
-+/**
- * enum nl80211_iftype - (virtual) interface types
- * @NL80211_IFTYPE_UNSPECIFIED: unspecified type, driver decides
- * @NL80211_IFTYPE_ADHOC: independent BSS member
-@@ -35,4 +246,56 @@
- };
- #define NL80211_IFTYPE_MAX (__NL80211_IFTYPE_AFTER_LAST - 1)
-
-+/**
-+ * enum nl80211_phymode - PHY modes
-+ * @NL80211_PHYMODE_A: 5 GHz PHY
-+ * @NL80211_PHYMODE_B: 2.4 GHz PHY (B mode)
-+ * @NL80211_PHYMODE_G: 2.4 GHz PHY (G, compatible with B)
-+ * @__NL80211_PHYMODE_AFTER_LAST: internal use
-+ *
-+ * These values are used for %NL80211_ATTR_PHYMODE.
-+ */
-+enum nl80211_phymode {
-+ NL80211_PHYMODE_A,
-+ NL80211_PHYMODE_B,
-+ NL80211_PHYMODE_G,
-+
-+ /* keep last */
-+ __NL80211_PHYMODE_AFTER_LAST
-+};
-+#define NL80211_PHYMODE_MAX (__NL80211_PHYMODE_AFTER_LAST - 1)
-+
-+/**
-+ * enum nl80211_bsstype - BSS types
-+ * @NL80211_BSSTYPE_INFRASTRUCTURE: infrastructure BSS
-+ * @NL80211_BSSTYPE_INDEPENDENT: independent BSS (ad-hoc network)
-+ * @__NL80211_BSSTYPE_AFTER_LAST: internal use
-+ *
-+ * These values are used for %NL80211_ATTR_BSSTYPE.
-+ */
-+enum nl80211_bsstype {
-+ NL80211_BSSTYPE_INFRASTRUCTURE,
-+ NL80211_BSSTYPE_INDEPENDENT,
-+
-+ /* keep last */
-+ __NL80211_BSSTYPE_AFTER_LAST
-+};
-+#define NL80211_BSSTYPE_MAX (__NL80211_BSSTYPE_AFTER_LAST - 1)
-+
-+/**
-+ * enum nl80211_keytype - key types
-+ * @NL80211_KEYTYPE_GROUP: group key
-+ * @NL80211_KEYTYPE_PAIRWISE: pairwise key
-+ * @NL80211_KEYTYPE_PEER: peer key
-+ */
-+enum nl80211_keytype {
-+ NL80211_KEYTYPE_GROUP,
-+ NL80211_KEYTYPE_PAIRWISE,
-+ NL80211_KEYTYPE_PEER,
-+
-+ /* keep last */
-+ __NL80211_KEYTYPE_AFTER_LAST
-+};
-+#define NL80211_KEYTYPE_MAX (__NL80211_KEYTYPE_AFTER_LAST - 1)
-+
- #endif /* __LINUX_NL80211_H */
---- a/include/net/cfg80211.h
-+++ b/include/net/cfg80211.h
-@@ -3,6 +3,7 @@
-
- #include <linux/netlink.h>
- #include <linux/skbuff.h>
-+#include <linux/nl80211.h>
- #include <net/genetlink.h>
-
- /*
-@@ -11,6 +12,69 @@
- * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
- */
-
-+/**
-+ * struct scan_channel - describes a single channel to scan
-+ * @phymode: PHY mode for this channel
-+ * @channel: channel number (1-14, ...)
-+ * @active: scan actively or passively on this channel
-+ */
-+struct scan_channel {
-+ enum nl80211_phymode phymode;
-+ u32 channel;
-+ int active;
-+};
-+
-+/**
-+ * struct scan_params - describes scan parameters
-+ * @n_channels: number of items in @channels array or -1 to indicate all
-+ * channels should be scanned (in that case @channels will be %NULL)
-+ * @active: when n_channels is -1 this determines active/passive scanning.
-+ * @phymode: when n_channels is -1 this determines PHY mode to scan. It is
-+ * not possible to scan different PHY modes in one request w/o giving
-+ * a channel list.
-+ * @channels: array containing @n_channels &struct scan_channel items
-+ */
-+struct scan_params {
-+ int n_channels;
-+ int active;
-+ enum nl80211_phymode phymode;
-+ struct scan_channel *channels;
-+};
-+
-+/**
-+ * struct association_params - describes association parameters
-+ * @valid: this member contains flags which items are valid
-+ * @bssid: the BSSID of the BSS to associate [%ASSOC_PARAMS_BSSID]
-+ * @timeout: timeout (in TU) [%ASSOC_PARAMS_TIMEOUT]
-+ * @ie: information element(s) to include in the association frames [%ASSOC_PARAMS_IE]
-+ * @ie_len: length of the information element(s)
-+ * @ssid: the SSID, always valid.
-+ * @ssid_len: length of the SSID
-+ */
-+struct association_params {
-+ u8 *bssid;
-+ u32 timeout;
-+ u8 *ie;
-+ int ie_len;
-+ u8 *ssid;
-+ int ssid_len;
-+
-+ unsigned int valid;
-+};
-+#define ASSOC_PARAMS_TIMEOUT (1<<0)
-+
-+/**
-+ * struct key_params - key information
-+ */
-+struct key_params {
-+ u8 *key;
-+ int key_len;
-+ int key_id;
-+ u32 key_type;
-+ u8 *macaddress;
-+ u32 cipher;
-+};
-+
- /* from net/wireless.h */
- struct wiphy;
-
-@@ -30,11 +94,62 @@
- * @add_virtual_intf: create a new virtual interface with the given name
- *
- * @del_virtual_intf: remove the virtual interface determined by ifindex.
-+ *
-+ * @change_virtual_intf: change type of virtual interface
-+ *
-+ * @associate: associate with given parameters
-+ *
-+ * @disassociate: disassociate from current AP
-+ *
-+ * @deauth: deauth from current AP
-+ *
-+ * @initiate_scan: scan with the given information (see &struct scan_params above)
-+ *
-+ * @get_association: get BSSID of the BSS that the device is currently
-+ * associated to and return 1, or return 0 if not
-+ * associated (or a negative error code)
-+ * @get_auth_list: get list of BSSIDs of all BSSs the device has
-+ * authenticated with, must call next_bssid for each,
-+ * next_bssid returns non-zero on error, the given data
-+ * is to be passed to that callback
-+ * @add_key: add a key using &struct key_params
-+ * @del_key: delete a key using info from &struct key_params
- */
- struct cfg80211_ops {
- int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
-- unsigned int type);
-+ enum nl80211_iftype type);
- int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex);
-+ int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex,
-+ enum nl80211_iftype type);
-+
-+ int (*associate)(struct wiphy *wiphy, struct net_device *dev,
-+ struct association_params *params);
-+ int (*disassociate)(struct wiphy *wiphy, struct net_device *dev);
-+ int (*deauth)(struct wiphy *wiphy, struct net_device *dev);
-+
-+
-+ int (*initiate_scan)(struct wiphy *wiphy, struct net_device *dev,
-+ struct scan_params *params);
-+
-+
-+ int (*get_association)(struct wiphy *wiphy, struct net_device *dev,
-+ u8 *bssid);
-+
-+ int (*get_auth_list)(struct wiphy *wiphy, struct net_device *dev,
-+ void *data,
-+ int (*next_bssid)(void *data, u8 *bssid));
-+
-+ int (*add_key)(struct wiphy *wiphy, struct net_device *dev,
-+ struct key_params *params);
-+ int (*del_key)(struct wiphy *wiphy, struct net_device *dev,
-+ struct key_params *params);
- };
-
-+
-+/* helper functions specific to nl80211 */
-+extern void *nl80211hdr_put(struct sk_buff *skb, u32 pid,
-+ u32 seq, int flags, u8 cmd);
-+extern void *nl80211msg_new(struct sk_buff **skb, u32 pid,
-+ u32 seq, int flags, u8 cmd);
-+
- #endif /* __NET_CFG80211_H */
---- a/include/net/iw_handler.h
-+++ b/include/net/iw_handler.h
-@@ -431,7 +431,13 @@
- * Those may be called only within the kernel.
- */
-
--/* functions that may be called by driver modules */
-+/* First : function strictly used inside the kernel */
-+
-+/* Handle /proc/net/wireless, called in net/code/dev.c */
-+extern int dev_get_wireless_info(char * buffer, char **start, off_t offset,
-+ int length);
-+
-+/* Second : functions that may be called by driver modules */
-
- /* Send a single event to user space */
- extern void wireless_send_event(struct net_device * dev,
---- a/include/net/mac80211.h
-+++ b/include/net/mac80211.h
-@@ -300,7 +300,6 @@
- /* Following five fields are used for IEEE 802.11H */
- unsigned int radar_detect;
- unsigned int spect_mgmt;
-- /* All following fields are currently unused. */
- unsigned int quiet_duration; /* duration of quiet period */
- unsigned int quiet_offset; /* how far into the beacon is the quiet
- * period */
-@@ -514,6 +513,9 @@
- * per-packet RC4 key with each TX frame when doing hwcrypto */
- #define IEEE80211_HW_TKIP_REQ_PHASE2_KEY (1<<14)
-
-+ /* The device capable of supporting 11n */
-+#define IEEE80211_HW_SUPPORT_HT_MODE (1<<15)
-+
- u32 flags; /* hardware flags defined above */
-
- /* Set to the size of a needed device specific skb headroom for TX skbs. */
-@@ -641,8 +643,7 @@
- * used if the wlan hardware or low-level driver implements PAE.
- * 80211.o module will anyway filter frames based on authorization
- * state, so this function pointer can be NULL if low-level driver does
-- * not require event notification about port state changes.
-- * Currently unused. */
-+ * not require event notification about port state changes. */
- int (*set_port_auth)(struct ieee80211_hw *hw, u8 *addr,
- int authorized);
-
-@@ -694,8 +695,9 @@
- /* Get statistics of the current TX queue status. This is used to get
- * number of currently queued packets (queue length), maximum queue
- * size (limit), and total number of packets sent using each TX queue
-- * (count).
-- * Currently unused. */
-+ * (count). This information is used for WMM to find out which TX
-+ * queues have room for more packets and by hostapd to provide
-+ * statistics about the current queueing state to external programs. */
- int (*get_tx_stats)(struct ieee80211_hw *hw,
- struct ieee80211_tx_queue_stats *stats);
-
-@@ -705,12 +707,25 @@
- * Must be atomic. */
- u64 (*get_tsf)(struct ieee80211_hw *hw);
-
-+ /* Call low level driver with 11n Block Ack action */
-+ int (*handle_ba_action)(struct ieee80211_hw *hw,
-+ struct ieee80211_mgmt *mgmt);
-+
- /* Reset the TSF timer and allow firmware/hardware to synchronize with
- * other STAs in the IBSS. This is only used in IBSS mode. This
- * function is optional if the firmware/hardware takes full care of
- * TSF synchronization. */
- void (*reset_tsf)(struct ieee80211_hw *hw);
-
-+ /* Configure ht parameters. */
-+ int (*conf_ht)(struct ieee80211_hw *hw,
-+ struct ieee80211_ht_capability *ht_cap_param,
-+ struct ieee80211_ht_additional_info *ht_extra_param);
-+
-+ /* Get ht capabilities from the device */
-+ void (*get_ht_capab)(struct ieee80211_hw *hw,
-+ struct ieee80211_ht_capability *ht_cap_param);
-+
- /* Setup beacon data for IBSS beacons. Unlike access point (Master),
- * IBSS uses a fixed beacon frame which is configured using this
- * function. This handler is required only for IBSS mode. */
+++ /dev/null
---- a/lib/kobject_uevent.c
-+++ b/lib/kobject_uevent.c
-@@ -30,9 +30,22 @@
- char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug";
- static DEFINE_SPINLOCK(sequence_lock);
- #if defined(CONFIG_NET)
--static struct sock *uevent_sock;
-+struct sock *uevent_sock = NULL;
-+EXPORT_SYMBOL_GPL(uevent_sock);
- #endif
-
-+u64 uevent_next_seqnum(void)
-+{
-+ u64 seq;
-+
-+ spin_lock(&sequence_lock);
-+ seq = ++uevent_seqnum;
-+ spin_unlock(&sequence_lock);
-+
-+ return seq;
-+}
-+EXPORT_SYMBOL_GPL(uevent_next_seqnum);
-+
- static char *action_to_string(enum kobject_action action)
- {
- switch (action) {
-@@ -169,9 +182,7 @@
- }
-
- /* we will send an event, request a new sequence number */
-- spin_lock(&sequence_lock);
-- seq = ++uevent_seqnum;
-- spin_unlock(&sequence_lock);
-+ seq = uevent_next_seqnum();
- sprintf(seq_buff, "SEQNUM=%llu", (unsigned long long)seq);
-
- #if defined(CONFIG_NET)
+++ /dev/null
---- a/drivers/leds/Kconfig
-+++ b/drivers/leds/Kconfig
-@@ -128,5 +128,9 @@
- load average.
- If unsure, say Y.
-
-+config LEDS_TRIGGER_MORSE
-+ tristate "LED Morse Trigger"
-+ depends on LEDS_TRIGGERS
-+
- endmenu
-
---- a/drivers/leds/Makefile
-+++ b/drivers/leds/Makefile
-@@ -21,3 +21,4 @@
- obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
- obj-$(CONFIG_LEDS_TRIGGER_IDE_DISK) += ledtrig-ide-disk.o
- obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) += ledtrig-heartbeat.o
-+obj-$(CONFIG_LEDS_TRIGGER_MORSE) += ledtrig-morse.o
+++ /dev/null
---- a/drivers/input/misc/Kconfig
-+++ b/drivers/input/misc/Kconfig
-@@ -178,4 +178,20 @@
- Say Y here if you want to support the built-in real time clock
- of the HP SDC controller.
-
-+config INPUT_GPIO_BUTTONS
-+ tristate "Polled GPIO buttons interface"
-+ depends on GENERIC_GPIO
-+ select INPUT_POLLDEV
-+ help
-+ This driver implements support for buttons connected
-+ to GPIO pins of various CPUs (and some other chips).
-+
-+ Say Y here if your device has buttons connected
-+ directly to such GPIO pins. Your board-specific
-+ setup logic must also provide a platform device,
-+ with configuration data saying which GPIOs are used.
-+
-+ To compile this driver as a module, choose M here: the
-+ module will be called gpio-buttons.
-+
- endif
---- a/drivers/input/misc/Makefile
-+++ b/drivers/input/misc/Makefile
-@@ -18,3 +18,4 @@
- obj-$(CONFIG_INPUT_YEALINK) += yealink.o
- obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
- obj-$(CONFIG_INPUT_UINPUT) += uinput.o
-+obj-$(CONFIG_INPUT_GPIO_BUTTONS) += gpio_buttons.o
+++ /dev/null
---- a/fs/Kconfig
-+++ b/fs/Kconfig
-@@ -419,6 +419,7 @@
-
- source "fs/xfs/Kconfig"
- source "fs/gfs2/Kconfig"
-+source "fs/yaffs2/Kconfig"
-
- config OCFS2_FS
- tristate "OCFS2 file system support"
---- a/fs/Makefile
-+++ b/fs/Makefile
-@@ -120,3 +120,4 @@
- obj-$(CONFIG_DEBUG_FS) += debugfs/
- obj-$(CONFIG_OCFS2_FS) += ocfs2/
- obj-$(CONFIG_GFS2_FS) += gfs2/
-+obj-$(CONFIG_YAFFS_FS) += yaffs2/
+++ /dev/null
---- a/fs/yaffs2/yaffs_fs.c
-+++ b/fs/yaffs2/yaffs_fs.c
-@@ -965,7 +965,7 @@
- f->f_version = inode->i_version;
- }
-
-- list_for_each(i, &obj->variant.directoryVariant.children) {
-+ list_for_each(i, (struct list_head *)&obj->variant.directoryVariant.children) {
- curoffs++;
- if (curoffs >= offset) {
- l = list_entry(i, yaffs_Object, siblings);
-@@ -1269,7 +1269,7 @@
-
- if (target &&
- target->variantType == YAFFS_OBJECT_TYPE_DIRECTORY &&
-- !list_empty(&target->variant.directoryVariant.children)) {
-+ !list_empty((struct list_head *)&target->variant.directoryVariant.children)) {
-
- T(YAFFS_TRACE_OS, (KERN_DEBUG "target is non-empty dir\n"));
-
-@@ -1503,7 +1503,7 @@
- yaffs_GrossUnlock(dev);
-
- /* we assume this is protected by lock_kernel() in mount/umount */
-- list_del(&dev->devList);
-+ list_del((struct list_head *)&dev->devList);
-
- if(dev->spareBuffer){
- YFREE(dev->spareBuffer);
-@@ -1847,7 +1847,7 @@
- dev->skipCheckpointWrite = options.skip_checkpoint_write;
-
- /* we assume this is protected by lock_kernel() in mount/umount */
-- list_add_tail(&dev->devList, &yaffs_dev_list);
-+ list_add_tail((struct list_head *)&dev->devList, &yaffs_dev_list);
-
- init_MUTEX(&dev->grossLock);
-
---- a/fs/yaffs2/yaffs_mtdif1.c
-+++ b/fs/yaffs2/yaffs_mtdif1.c
-@@ -323,7 +323,7 @@
- * Always returns YAFFS_OK.
- */
- int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * pState, int *pSequenceNumber)
-+ yaffs_BlockState * pState, __u32 *pSequenceNumber)
- {
- struct mtd_info * mtd = dev->genericDevice;
- int chunkNo = blockNo * dev->nChunksPerBlock;
---- a/fs/yaffs2/yaffs_mtdif1.h
-+++ b/fs/yaffs2/yaffs_mtdif1.h
-@@ -23,6 +23,6 @@
- int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
-
- int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ yaffs_BlockState * state, __u32 *sequenceNumber);
-
- #endif
---- a/fs/yaffs2/yaffs_mtdif2.c
-+++ b/fs/yaffs2/yaffs_mtdif2.c
-@@ -188,7 +188,7 @@
- }
-
- int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber)
-+ yaffs_BlockState * state, __u32 *sequenceNumber)
- {
- struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
- int retval;
---- a/fs/yaffs2/yaffs_mtdif2.h
-+++ b/fs/yaffs2/yaffs_mtdif2.h
-@@ -24,6 +24,6 @@
- __u8 * data, yaffs_ExtendedTags * tags);
- int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo);
- int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
-- yaffs_BlockState * state, int *sequenceNumber);
-+ yaffs_BlockState * state, __u32 *sequenceNumber);
-
- #endif
+++ /dev/null
-From: Ivo van Doorn <ivdoorn@gmail.com>
-Date: Fri, 11 May 2007 19:59:40 +0000 (-0400)
-Subject: [PATCH] Add 93cx6 eeprom library
-X-Git-Tag: v2.6.23-rc1~1201^2~74
-X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=9467d64b0e88763914c01f71ddf591b166c4f526
-
-[PATCH] Add 93cx6 eeprom library
-
-This patch adds a library for reading from 93cx6 eeproms.
-
-Signed-off-by: Michael Wu <flamingice@sourmilk.net>
-Signed-off-by: John W. Linville <linville@tuxdriver.com>
----
-
---- a/drivers/misc/Kconfig
-+++ b/drivers/misc/Kconfig
-@@ -34,6 +34,11 @@
- If you choose to build module, its name will be phantom. If unsure,
- say N here.
-
-+config EEPROM_93CX6
-+ tristate "EEPROM 93CX6 support"
-+ ---help---
-+ This is a driver for the EEPROM chipsets 93c46 and 93c66.
-+ The driver supports both read as well as write commands.
-
- If unsure, say N.
-
-@@ -187,5 +192,4 @@
-
- If you are not sure, say Y here.
-
--
- endmenu
---- a/drivers/misc/Makefile
-+++ b/drivers/misc/Makefile
-@@ -14,3 +14,4 @@
- obj-$(CONFIG_SGI_IOC4) += ioc4.o
- obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o
- obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
-+obj-$(CONFIG_EEPROM_93CX6) += eeprom_93cx6.o
---- /dev/null
-+++ b/drivers/misc/eeprom_93cx6.c
-@@ -0,0 +1,229 @@
-+/*
-+ Copyright (C) 2004 - 2006 rt2x00 SourceForge Project
-+ <http://rt2x00.serialmonkey.com>
-+
-+ This program is free software; you can redistribute it and/or modify
-+ it under the terms of the GNU General Public License as published by
-+ the Free Software Foundation; either version 2 of the License, or
-+ (at your option) any later version.
-+
-+ This program is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ GNU General Public License for more details.
-+
-+ You should have received a copy of the GNU General Public License
-+ along with this program; if not, write to the
-+ Free Software Foundation, Inc.,
-+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ */
-+
-+/*
-+ Module: eeprom_93cx6
-+ Abstract: EEPROM reader routines for 93cx6 chipsets.
-+ Supported chipsets: 93c46 & 93c66.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/version.h>
-+#include <linux/delay.h>
-+#include <linux/eeprom_93cx6.h>
-+
-+MODULE_AUTHOR("http://rt2x00.serialmonkey.com");
-+MODULE_VERSION("1.0");
-+MODULE_DESCRIPTION("EEPROM 93cx6 chip driver");
-+MODULE_LICENSE("GPL");
-+
-+static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom)
-+{
-+ eeprom->reg_data_clock = 1;
-+ eeprom->register_write(eeprom);
-+ udelay(1);
-+}
-+
-+static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)
-+{
-+ eeprom->reg_data_clock = 0;
-+ eeprom->register_write(eeprom);
-+ udelay(1);
-+}
-+
-+static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom)
-+{
-+ /*
-+ * Clear all flags, and enable chip select.
-+ */
-+ eeprom->register_read(eeprom);
-+ eeprom->reg_data_in = 0;
-+ eeprom->reg_data_out = 0;
-+ eeprom->reg_data_clock = 0;
-+ eeprom->reg_chip_select = 1;
-+ eeprom->register_write(eeprom);
-+
-+ /*
-+ * kick a pulse.
-+ */
-+ eeprom_93cx6_pulse_high(eeprom);
-+ eeprom_93cx6_pulse_low(eeprom);
-+}
-+
-+static void eeprom_93cx6_cleanup(struct eeprom_93cx6 *eeprom)
-+{
-+ /*
-+ * Clear chip_select and data_in flags.
-+ */
-+ eeprom->register_read(eeprom);
-+ eeprom->reg_data_in = 0;
-+ eeprom->reg_chip_select = 0;
-+ eeprom->register_write(eeprom);
-+
-+ /*
-+ * kick a pulse.
-+ */
-+ eeprom_93cx6_pulse_high(eeprom);
-+ eeprom_93cx6_pulse_low(eeprom);
-+}
-+
-+static void eeprom_93cx6_write_bits(struct eeprom_93cx6 *eeprom,
-+ const u16 data, const u16 count)
-+{
-+ unsigned int i;
-+
-+ eeprom->register_read(eeprom);
-+
-+ /*
-+ * Clear data flags.
-+ */
-+ eeprom->reg_data_in = 0;
-+ eeprom->reg_data_out = 0;
-+
-+ /*
-+ * Start writing all bits.
-+ */
-+ for (i = count; i > 0; i--) {
-+ /*
-+ * Check if this bit needs to be set.
-+ */
-+ eeprom->reg_data_in = !!(data & (1 << (i - 1)));
-+
-+ /*
-+ * Write the bit to the eeprom register.
-+ */
-+ eeprom->register_write(eeprom);
-+
-+ /*
-+ * Kick a pulse.
-+ */
-+ eeprom_93cx6_pulse_high(eeprom);
-+ eeprom_93cx6_pulse_low(eeprom);
-+ }
-+
-+ eeprom->reg_data_in = 0;
-+ eeprom->register_write(eeprom);
-+}
-+
-+static void eeprom_93cx6_read_bits(struct eeprom_93cx6 *eeprom,
-+ u16 *data, const u16 count)
-+{
-+ unsigned int i;
-+ u16 buf = 0;
-+
-+ eeprom->register_read(eeprom);
-+
-+ /*
-+ * Clear data flags.
-+ */
-+ eeprom->reg_data_in = 0;
-+ eeprom->reg_data_out = 0;
-+
-+ /*
-+ * Start reading all bits.
-+ */
-+ for (i = count; i > 0; i--) {
-+ eeprom_93cx6_pulse_high(eeprom);
-+
-+ eeprom->register_read(eeprom);
-+
-+ /*
-+ * Clear data_in flag.
-+ */
-+ eeprom->reg_data_in = 0;
-+
-+ /*
-+ * Read if the bit has been set.
-+ */
-+ if (eeprom->reg_data_out)
-+ buf |= (1 << (i - 1));
-+
-+ eeprom_93cx6_pulse_low(eeprom);
-+ }
-+
-+ *data = buf;
-+}
-+
-+/**
-+ * eeprom_93cx6_read - Read multiple words from eeprom
-+ * @eeprom: Pointer to eeprom structure
-+ * @word: Word index from where we should start reading
-+ * @data: target pointer where the information will have to be stored
-+ *
-+ * This function will read the eeprom data as host-endian word
-+ * into the given data pointer.
-+ */
-+void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom, const u8 word,
-+ u16 *data)
-+{
-+ u16 command;
-+
-+ /*
-+ * Initialize the eeprom register
-+ */
-+ eeprom_93cx6_startup(eeprom);
-+
-+ /*
-+ * Select the read opcode and the word to be read.
-+ */
-+ command = (PCI_EEPROM_READ_OPCODE << eeprom->width) | word;
-+ eeprom_93cx6_write_bits(eeprom, command,
-+ PCI_EEPROM_WIDTH_OPCODE + eeprom->width);
-+
-+ /*
-+ * Read the requested 16 bits.
-+ */
-+ eeprom_93cx6_read_bits(eeprom, data, 16);
-+
-+ /*
-+ * Cleanup eeprom register.
-+ */
-+ eeprom_93cx6_cleanup(eeprom);
-+}
-+EXPORT_SYMBOL_GPL(eeprom_93cx6_read);
-+
-+/**
-+ * eeprom_93cx6_multiread - Read multiple words from eeprom
-+ * @eeprom: Pointer to eeprom structure
-+ * @word: Word index from where we should start reading
-+ * @data: target pointer where the information will have to be stored
-+ * @words: Number of words that should be read.
-+ *
-+ * This function will read all requested words from the eeprom,
-+ * this is done by calling eeprom_93cx6_read() multiple times.
-+ * But with the additional change that while the eeprom_93cx6_read
-+ * will return host ordered bytes, this method will return little
-+ * endian words.
-+ */
-+void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom, const u8 word,
-+ __le16 *data, const u16 words)
-+{
-+ unsigned int i;
-+ u16 tmp;
-+
-+ for (i = 0; i < words; i++) {
-+ tmp = 0;
-+ eeprom_93cx6_read(eeprom, word + i, &tmp);
-+ data[i] = cpu_to_le16(tmp);
-+ }
-+}
-+EXPORT_SYMBOL_GPL(eeprom_93cx6_multiread);
-+
---- /dev/null
-+++ b/include/linux/eeprom_93cx6.h
-@@ -0,0 +1,72 @@
-+/*
-+ Copyright (C) 2004 - 2006 rt2x00 SourceForge Project
-+ <http://rt2x00.serialmonkey.com>
-+
-+ This program is free software; you can redistribute it and/or modify
-+ it under the terms of the GNU General Public License as published by
-+ the Free Software Foundation; either version 2 of the License, or
-+ (at your option) any later version.
-+
-+ This program is distributed in the hope that it will be useful,
-+ but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-+ GNU General Public License for more details.
-+
-+ You should have received a copy of the GNU General Public License
-+ along with this program; if not, write to the
-+ Free Software Foundation, Inc.,
-+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-+ */
-+
-+/*
-+ Module: eeprom_93cx6
-+ Abstract: EEPROM reader datastructures for 93cx6 chipsets.
-+ Supported chipsets: 93c46 & 93c66.
-+ */
-+
-+/*
-+ * EEPROM operation defines.
-+ */
-+#define PCI_EEPROM_WIDTH_93C46 6
-+#define PCI_EEPROM_WIDTH_93C66 8
-+#define PCI_EEPROM_WIDTH_OPCODE 3
-+#define PCI_EEPROM_WRITE_OPCODE 0x05
-+#define PCI_EEPROM_READ_OPCODE 0x06
-+#define PCI_EEPROM_EWDS_OPCODE 0x10
-+#define PCI_EEPROM_EWEN_OPCODE 0x13
-+
-+/**
-+ * struct eeprom_93cx6 - control structure for setting the commands
-+ * for reading the eeprom data.
-+ * @data: private pointer for the driver.
-+ * @register_read(struct eeprom_93cx6 *eeprom): handler to
-+ * read the eeprom register, this function should set all reg_* fields.
-+ * @register_write(struct eeprom_93cx6 *eeprom): handler to
-+ * write to the eeprom register by using all reg_* fields.
-+ * @width: eeprom width, should be one of the PCI_EEPROM_WIDTH_* defines
-+ * @reg_data_in: register field to indicate data input
-+ * @reg_data_out: register field to indicate data output
-+ * @reg_data_clock: register field to set the data clock
-+ * @reg_chip_select: register field to set the chip select
-+ *
-+ * This structure is used for the communication between the driver
-+ * and the eeprom_93cx6 handlers for reading the eeprom.
-+ */
-+struct eeprom_93cx6 {
-+ void *data;
-+
-+ void (*register_read)(struct eeprom_93cx6 *eeprom);
-+ void (*register_write)(struct eeprom_93cx6 *eeprom);
-+
-+ int width;
-+
-+ char reg_data_in;
-+ char reg_data_out;
-+ char reg_data_clock;
-+ char reg_chip_select;
-+};
-+
-+extern void eeprom_93cx6_read(struct eeprom_93cx6 *eeprom,
-+ const u8 word, u16 *data);
-+extern void eeprom_93cx6_multiread(struct eeprom_93cx6 *eeprom,
-+ const u8 word, __le16 *data, const u16 words);
+++ /dev/null
---- a/drivers/misc/eeprom_93cx6.c
-+++ b/drivers/misc/eeprom_93cx6.c
-@@ -39,14 +39,26 @@
- {
- eeprom->reg_data_clock = 1;
- eeprom->register_write(eeprom);
-- udelay(1);
-+
-+ /*
-+ * Add a short delay for the pulse to work.
-+ * According to the specifications the "maximum minimum"
-+ * time should be 450ns.
-+ */
-+ ndelay(450);
- }
-
- static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom)
- {
- eeprom->reg_data_clock = 0;
- eeprom->register_write(eeprom);
-- udelay(1);
-+
-+ /*
-+ * Add a short delay for the pulse to work.
-+ * According to the specifications the "maximum minimum"
-+ * time should be 450ns.
-+ */
-+ ndelay(450);
- }
-
- static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom)
+++ /dev/null
---- a/drivers/usb/serial/usb-serial.c
-+++ b/drivers/usb/serial/usb-serial.c
-@@ -56,6 +56,7 @@
- drivers depend on it.
- */
-
-+static ushort maxSize = 0;
- static int debug;
- static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
- static spinlock_t table_lock;
-@@ -864,7 +865,7 @@
- dev_err(&interface->dev, "No free urbs available\n");
- goto probe_error;
- }
-- buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
-+ buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize;
- port->bulk_in_size = buffer_size;
- port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
- port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
-@@ -1245,3 +1246,5 @@
-
- module_param(debug, bool, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(debug, "Debug enabled or not");
-+module_param(maxSize, ushort,0);
-+MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");
+++ /dev/null
---- a/include/linux/time.h
-+++ b/include/linux/time.h
-@@ -1,6 +1,10 @@
- #ifndef _LINUX_TIME_H
- #define _LINUX_TIME_H
-
-+#ifndef __KERNEL__
-+#include <time.h>
-+#else
-+
- #include <linux/types.h>
-
- #ifdef __KERNEL__
-@@ -225,4 +229,6 @@
- */
- #define TIMER_ABSTIME 0x01
-
-+#endif /* __KERNEL__ DEBIAN */
-+
- #endif
---- a/include/linux/types.h
-+++ b/include/linux/types.h
-@@ -1,6 +1,14 @@
- #ifndef _LINUX_TYPES_H
- #define _LINUX_TYPES_H
-
-+/* Debian: Use userland types instead. */
-+#ifndef __KERNEL__
-+# include <sys/types.h>
-+/* For other kernel headers. */
-+# include <linux/posix_types.h>
-+# include <asm/types.h>
-+#else
-+
- #ifdef __KERNEL__
-
- #define BITS_TO_LONGS(bits) \
-@@ -162,6 +170,8 @@
-
- #endif /* __KERNEL_STRICT_NAMES */
-
-+#endif /* __KERNEL__ DEBIAN */
-+
- /*
- * Below are truly Linux-specific types that should never collide with
- * any application/library that wants linux/types.h.
+++ /dev/null
---- a/scripts/genksyms/parse.c_shipped
-+++ b/scripts/genksyms/parse.c_shipped
-@@ -144,7 +144,9 @@
-
-
- #include <assert.h>
-+#ifndef __APPLE__
- #include <malloc.h>
-+#endif
- #include "genksyms.h"
-
- static int is_typedef;
---- a/scripts/genksyms/parse.y
-+++ b/scripts/genksyms/parse.y
-@@ -24,7 +24,9 @@
- %{
-
- #include <assert.h>
-+#ifndef __APPLE__
- #include <malloc.h>
-+#endif
- #include "genksyms.h"
-
- static int is_typedef;
---- a/scripts/kallsyms.c
-+++ b/scripts/kallsyms.c
-@@ -30,6 +30,35 @@
- #include <stdlib.h>
- #include <string.h>
- #include <ctype.h>
-+#ifdef __APPLE__
-+/* Darwin has no memmem implementation, this one is ripped of the uClibc-0.9.28 source */
-+void *memmem (const void *haystack, size_t haystack_len,
-+ const void *needle, size_t needle_len)
-+{
-+ const char *begin;
-+ const char *const last_possible
-+ = (const char *) haystack + haystack_len - needle_len;
-+
-+ if (needle_len == 0)
-+ /* The first occurrence of the empty string is deemed to occur at
-+ the beginning of the string. */
-+ return (void *) haystack;
-+
-+ /* Sanity check, otherwise the loop might search through the whole
-+ memory. */
-+ if (__builtin_expect (haystack_len < needle_len, 0))
-+ return NULL;
-+
-+ for (begin = (const char *) haystack; begin <= last_possible; ++begin)
-+ if (begin[0] == ((const char *) needle)[0] &&
-+ !memcmp ((const void *) &begin[1],
-+ (const void *) ((const char *) needle + 1),
-+ needle_len - 1))
-+ return (void *) begin;
-+
-+ return NULL;
-+}
-+#endif
-
- #define KSYM_NAME_LEN 127
-
---- a/scripts/kconfig/Makefile
-+++ b/scripts/kconfig/Makefile
-@@ -87,6 +87,9 @@
- # we really need to do so. (Do not call gcc as part of make mrproper)
- HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
- HOST_LOADLIBES = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
-+ifeq ($(shell uname -s),Darwin)
-+HOST_LOADLIBES += -lncurses
-+endif
-
- HOST_EXTRACFLAGS += -DLOCALE
-
---- a/scripts/mod/mk_elfconfig.c
-+++ b/scripts/mod/mk_elfconfig.c
-@@ -1,7 +1,11 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-+#ifndef __APPLE__
- #include <elf.h>
-+#else
-+#include "../../../../../tools/sstrip/include/elf.h"
-+#endif
-
- int
- main(int argc, char **argv)
---- a/scripts/mod/modpost.h
-+++ b/scripts/mod/modpost.h
-@@ -7,7 +7,11 @@
- #include <sys/mman.h>
- #include <fcntl.h>
- #include <unistd.h>
-+#ifndef __APPLE__
- #include <elf.h>
-+#else
-+#include "../../../../../tools/sstrip/include/elf.h"
-+#endif
-
- #include "elfconfig.h"
-
+++ /dev/null
---- a/include/linux/stddef.h
-+++ b/include/linux/stddef.h
-@@ -16,6 +16,7 @@
- false = 0,
- true = 1
- };
-+#endif /* __KERNEL__ */
-
- #undef offsetof
- #ifdef __compiler_offsetof
-@@ -23,6 +24,5 @@
- #else
- #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
- #endif
--#endif /* __KERNEL__ */
-
- #endif
+++ /dev/null
---- a/scripts/gen_initramfs_list.sh
-+++ b/scripts/gen_initramfs_list.sh
-@@ -125,7 +125,7 @@
- str="${ftype} ${name} ${location} ${str}"
- ;;
- "nod")
-- local dev=`LC_ALL=C ls -l "${location}"`
-+ local dev=`LC_ALL=C ls -l --time-style=locale "${location}"`
- local maj=`field 5 ${dev}`
- local min=`field 6 ${dev}`
- maj=${maj%,}
-@@ -135,7 +135,7 @@
- str="${ftype} ${name} ${str} ${dev} ${maj} ${min}"
- ;;
- "slink")
-- local target=`field 11 $(LC_ALL=C ls -l "${location}")`
-+ local target=`field 11 $(LC_ALL=C ls -l --time-style=locale "${location}")`
- str="${ftype} ${name} ${target} ${str}"
- ;;
- *)
+++ /dev/null
-From: Michael Barkowski <michael.barkowski@freescale.com>
-Date: Fri, 11 May 2007 23:24:51 +0000 (-0500)
-Subject: phylib: add the ICPlus IP175C PHY driver
-X-Git-Tag: v2.6.23-rc1~1201^2~58
-X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=0cefeebaf3da39d768bffcf62460fe2088e824ef
-
-phylib: add the ICPlus IP175C PHY driver
-
-The ICPlus IP175C sports a 100Mbit/s 4-port switch in addition
-to a dedicated 100Mbit/s WAN port.
-
-Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
-Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
-Signed-off-by: Jeff Garzik <jeff@garzik.org>
----
-
---- a/drivers/net/phy/Kconfig
-+++ b/drivers/net/phy/Kconfig
-@@ -55,6 +55,11 @@
- ---help---
- Currently supports the BCM5411, BCM5421 and BCM5461 PHYs.
-
-+config ICPLUS_PHY
-+ tristate "Drivers for ICPlus PHYs"
-+ ---help---
-+ Currently supports the IP175C PHY.
-+
- config FIXED_PHY
- tristate "Drivers for PHY emulation on fixed speed/link"
- ---help---
---- a/drivers/net/phy/Makefile
-+++ b/drivers/net/phy/Makefile
-@@ -11,4 +11,5 @@
- obj-$(CONFIG_SMSC_PHY) += smsc.o
- obj-$(CONFIG_VITESSE_PHY) += vitesse.o
- obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
-+obj-$(CONFIG_ICPLUS_PHY) += icplus.o
- obj-$(CONFIG_FIXED_PHY) += fixed.o
---- /dev/null
-+++ b/drivers/net/phy/icplus.c
-@@ -0,0 +1,134 @@
-+/*
-+ * Driver for ICPlus PHYs
-+ *
-+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ *
-+ */
-+#include <linux/kernel.h>
-+#include <linux/string.h>
-+#include <linux/errno.h>
-+#include <linux/unistd.h>
-+#include <linux/slab.h>
-+#include <linux/interrupt.h>
-+#include <linux/init.h>
-+#include <linux/delay.h>
-+#include <linux/netdevice.h>
-+#include <linux/etherdevice.h>
-+#include <linux/skbuff.h>
-+#include <linux/spinlock.h>
-+#include <linux/mm.h>
-+#include <linux/module.h>
-+#include <linux/mii.h>
-+#include <linux/ethtool.h>
-+#include <linux/phy.h>
-+
-+#include <asm/io.h>
-+#include <asm/irq.h>
-+#include <asm/uaccess.h>
-+
-+MODULE_DESCRIPTION("ICPlus IP175C PHY driver");
-+MODULE_AUTHOR("Michael Barkowski");
-+MODULE_LICENSE("GPL");
-+
-+static int ip175c_config_init(struct phy_device *phydev)
-+{
-+ int err, i;
-+ static int full_reset_performed = 0;
-+
-+ if (full_reset_performed == 0) {
-+
-+ /* master reset */
-+ err = phydev->bus->write(phydev->bus, 30, 0, 0x175c);
-+ if (err < 0)
-+ return err;
-+
-+ /* ensure no bus delays overlap reset period */
-+ err = phydev->bus->read(phydev->bus, 30, 0);
-+
-+ /* data sheet specifies reset period is 2 msec */
-+ mdelay(2);
-+
-+ /* enable IP175C mode */
-+ err = phydev->bus->write(phydev->bus, 29, 31, 0x175c);
-+ if (err < 0)
-+ return err;
-+
-+ /* Set MII0 speed and duplex (in PHY mode) */
-+ err = phydev->bus->write(phydev->bus, 29, 22, 0x420);
-+ if (err < 0)
-+ return err;
-+
-+ /* reset switch ports */
-+ for (i = 0; i < 5; i++) {
-+ err = phydev->bus->write(phydev->bus, i,
-+ MII_BMCR, BMCR_RESET);
-+ if (err < 0)
-+ return err;
-+ }
-+
-+ for (i = 0; i < 5; i++)
-+ err = phydev->bus->read(phydev->bus, i, MII_BMCR);
-+
-+ mdelay(2);
-+
-+ full_reset_performed = 1;
-+ }
-+
-+ if (phydev->addr != 4) {
-+ phydev->state = PHY_RUNNING;
-+ phydev->speed = SPEED_100;
-+ phydev->duplex = DUPLEX_FULL;
-+ phydev->link = 1;
-+ netif_carrier_on(phydev->attached_dev);
-+ }
-+
-+ return 0;
-+}
-+
-+static int ip175c_read_status(struct phy_device *phydev)
-+{
-+ if (phydev->addr == 4) /* WAN port */
-+ genphy_read_status(phydev);
-+ else
-+ /* Don't need to read status for switch ports */
-+ phydev->irq = PHY_IGNORE_INTERRUPT;
-+
-+ return 0;
-+}
-+
-+static int ip175c_config_aneg(struct phy_device *phydev)
-+{
-+ if (phydev->addr == 4) /* WAN port */
-+ genphy_config_aneg(phydev);
-+
-+ return 0;
-+}
-+
-+static struct phy_driver ip175c_driver = {
-+ .phy_id = 0x02430d80,
-+ .name = "ICPlus IP175C",
-+ .phy_id_mask = 0x0ffffff0,
-+ .features = PHY_BASIC_FEATURES,
-+ .config_init = &ip175c_config_init,
-+ .config_aneg = &ip175c_config_aneg,
-+ .read_status = &ip175c_read_status,
-+ .driver = { .owner = THIS_MODULE,},
-+};
-+
-+static int __init ip175c_init(void)
-+{
-+ return phy_driver_register(&ip175c_driver);
-+}
-+
-+static void __exit ip175c_exit(void)
-+{
-+ phy_driver_unregister(&ip175c_driver);
-+}
-+
-+module_init(ip175c_init);
-+module_exit(ip175c_exit);
+++ /dev/null
-CONFIG_32BIT=y
-# CONFIG_64BIT is not set
-# CONFIG_64BIT_PHYS_ADDR is not set
-# CONFIG_8139TOO is not set
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
-# CONFIG_ARCH_SUPPORTS_MSI is not set
-# CONFIG_ATM is not set
-# CONFIG_AX25 is not set
-CONFIG_BASE_SMALL=0
-CONFIG_BITREVERSE=y
-CONFIG_BLK_DEV_CF_MIPS=y
-# CONFIG_BT is not set
-# CONFIG_CPU_BIG_ENDIAN is not set
-CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_PREFETCH=y
-CONFIG_CPU_HAS_SYNC=y
-CONFIG_CPU_LITTLE_ENDIAN=y
-CONFIG_CPU_MIPS32=y
-CONFIG_CPU_MIPS32_R1=y
-# CONFIG_CPU_MIPS32_R2 is not set
-# CONFIG_CPU_MIPS64_R1 is not set
-# CONFIG_CPU_MIPS64_R2 is not set
-CONFIG_CPU_MIPSR1=y
-# CONFIG_CPU_NEVADA is not set
-# CONFIG_CPU_R10000 is not set
-# CONFIG_CPU_R3000 is not set
-# CONFIG_CPU_R4300 is not set
-# CONFIG_CPU_R4X00 is not set
-# CONFIG_CPU_R5000 is not set
-# CONFIG_CPU_R5432 is not set
-# CONFIG_CPU_R6000 is not set
-# CONFIG_CPU_R8000 is not set
-# CONFIG_CPU_RM7000 is not set
-# CONFIG_CPU_RM9000 is not set
-# CONFIG_CPU_SB1 is not set
-CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
-CONFIG_CPU_SUPPORTS_HIGHMEM=y
-# CONFIG_CPU_TX39XX is not set
-# CONFIG_CPU_TX49XX is not set
-# CONFIG_CPU_VR41XX is not set
-# CONFIG_DDB5477 is not set
-CONFIG_DEVPORT=y
-# CONFIG_DM9000 is not set
-CONFIG_DMA_NEED_PCI_MAP_STATE=y
-CONFIG_DMA_NONCOHERENT=y
-CONFIG_EXT2_FS=y
-CONFIG_FS_POSIX_ACL=y
-CONFIG_GENERIC_FIND_NEXT_BIT=y
-# CONFIG_GENERIC_GPIO is not set
-# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
-# CONFIG_GEN_RTC is not set
-CONFIG_HAS_DMA=y
-CONFIG_HAS_IOMEM=y
-CONFIG_HAS_IOPORT=y
-CONFIG_HW_HAS_PCI=y
-CONFIG_HW_RANDOM=y
-# CONFIG_I2C is not set
-# CONFIG_IDE is not set
-CONFIG_INITRAMFS_SOURCE=""
-CONFIG_IRQ_CPU=y
-CONFIG_KORINA=y
-CONFIG_LEDS_RB500=y
-# CONFIG_MACH_ALCHEMY is not set
-# CONFIG_MACH_DECSTATION is not set
-# CONFIG_MACH_JAZZ is not set
-# CONFIG_MACH_VR41XX is not set
-CONFIG_MIKROTIK_RB500=y
-CONFIG_MINI_FO=m
-CONFIG_MIPS=y
-# CONFIG_MIPS_ATLAS is not set
-# CONFIG_MIPS_COBALT is not set
-# CONFIG_MIPS_EV64120 is not set
-CONFIG_MIPS_L1_CACHE_SHIFT=4
-# CONFIG_MIPS_MALTA is not set
-CONFIG_MIPS_MT_DISABLED=y
-# CONFIG_MIPS_MT_SMP is not set
-# CONFIG_MIPS_MT_SMTC is not set
-# CONFIG_MIPS_SEAD is not set
-# CONFIG_MIPS_SIM is not set
-# CONFIG_MIPS_VPE_LOADER is not set
-# CONFIG_MOMENCO_OCELOT is not set
-# CONFIG_MOMENCO_OCELOT_3 is not set
-# CONFIG_MOMENCO_OCELOT_C is not set
-CONFIG_MTD=y
-# CONFIG_MTD_ABSENT is not set
-CONFIG_MTD_BLKDEVS=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_BLOCK2MTD=y
-# CONFIG_MTD_CFI is not set
-CONFIG_MTD_CFI_I1=y
-CONFIG_MTD_CFI_I2=y
-# CONFIG_MTD_CFI_I4 is not set
-# CONFIG_MTD_CFI_I8 is not set
-CONFIG_MTD_CHAR=y
-# CONFIG_MTD_CMDLINE_PARTS is not set
-# CONFIG_MTD_COMPLEX_MAPPINGS is not set
-# CONFIG_MTD_CONCAT is not set
-# CONFIG_MTD_DEBUG is not set
-# CONFIG_MTD_DOC2000 is not set
-# CONFIG_MTD_DOC2001 is not set
-# CONFIG_MTD_DOC2001PLUS is not set
-# CONFIG_MTD_JEDECPROBE is not set
-CONFIG_MTD_MAP_BANK_WIDTH_1=y
-# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
-CONFIG_MTD_MAP_BANK_WIDTH_2=y
-# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
-CONFIG_MTD_MAP_BANK_WIDTH_4=y
-# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
-# CONFIG_MTD_MTDRAM is not set
-CONFIG_MTD_NAND=y
-# CONFIG_MTD_NAND_CAFE is not set
-# CONFIG_MTD_NAND_DISKONCHIP is not set
-# CONFIG_MTD_NAND_ECC_SMC is not set
-CONFIG_MTD_NAND_IDS=y
-# CONFIG_MTD_NAND_MUSEUM_IDS is not set
-# CONFIG_MTD_NAND_NANDSIM is not set
-CONFIG_MTD_NAND_PLATFORM=y
-CONFIG_MTD_NAND_VERIFY_WRITE=y
-# CONFIG_MTD_ONENAND is not set
-CONFIG_MTD_PARTITIONS=y
-# CONFIG_MTD_PHRAM is not set
-# CONFIG_MTD_PLATRAM is not set
-# CONFIG_MTD_PMC551 is not set
-# CONFIG_MTD_RAM is not set
-# CONFIG_MTD_REDBOOT_PARTS is not set
-# CONFIG_MTD_ROM is not set
-# CONFIG_MTD_SLRAM is not set
-# CONFIG_NATSEMI is not set
-# CONFIG_NE2K_PCI is not set
-# CONFIG_NETDEV_1000 is not set
-CONFIG_NET_SCH_FIFO=y
-# CONFIG_NET_VENDOR_3COM is not set
-CONFIG_NF_CT_PROTO_GRE=m
-CONFIG_NF_NAT_PROTO_GRE=m
-# CONFIG_PAGE_SIZE_16KB is not set
-CONFIG_PAGE_SIZE_4KB=y
-# CONFIG_PAGE_SIZE_64KB is not set
-# CONFIG_PAGE_SIZE_8KB is not set
-# CONFIG_PCIPCWATCHDOG is not set
-# CONFIG_PMC_YOSEMITE is not set
-# CONFIG_PNPACPI is not set
-# CONFIG_PNX8550_JBS is not set
-# CONFIG_PNX8550_STB810 is not set
-CONFIG_RC32434_WDT=y
-# CONFIG_RTC is not set
-CONFIG_RWSEM_GENERIC_SPINLOCK=y
-CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
-CONFIG_SCSI_WAIT_SCAN=m
-# CONFIG_SERIAL_8250_EXTENDED is not set
-# CONFIG_SGI_IP22 is not set
-# CONFIG_SGI_IP27 is not set
-# CONFIG_SGI_IP32 is not set
-# CONFIG_SIBYTE_BIGSUR is not set
-# CONFIG_SIBYTE_CARMEL is not set
-# CONFIG_SIBYTE_CRHINE is not set
-# CONFIG_SIBYTE_CRHONE is not set
-# CONFIG_SIBYTE_LITTLESUR is not set
-# CONFIG_SIBYTE_PTSWARM is not set
-# CONFIG_SIBYTE_RHONE is not set
-# CONFIG_SIBYTE_SENTOSA is not set
-# CONFIG_SIBYTE_SWARM is not set
-# CONFIG_SOFT_WATCHDOG is not set
-# CONFIG_SOUND is not set
-# CONFIG_SPARSEMEM_STATIC is not set
-CONFIG_SWAP_IO_SPACE=y
-CONFIG_SYSVIPC_SYSCTL=y
-CONFIG_SYS_HAS_CPU_MIPS32_R1=y
-CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
-CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
-CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
-# CONFIG_TC35815 is not set
-# CONFIG_TOSHIBA_JMR3927 is not set
-# CONFIG_TOSHIBA_RBTX4927 is not set
-# CONFIG_TOSHIBA_RBTX4938 is not set
-CONFIG_TRAD_SIGNALS=y
-# CONFIG_UNUSED_SYMBOLS is not set
-# CONFIG_USB is not set
-# CONFIG_VGASTATE is not set
-CONFIG_VIA_RHINE=y
-# CONFIG_VIA_RHINE_MMIO is not set
-CONFIG_VIA_RHINE_NAPI=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-CONFIG_YAFFS_CHECKPOINT_RESERVED_BLOCKS=0
-# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
-# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
-CONFIG_YAFFS_DOES_ECC=y
-CONFIG_YAFFS_ECC_WRONG_ORDER=y
-CONFIG_YAFFS_FS=y
-CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
-CONFIG_YAFFS_YAFFS1=y
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_ZONE_DMA_FLAG=0
projects / openwrt / staging / neocturne.git / commitdiff