backfire: generic: rtl8366: add debugfs file for VLAN4K table (backport of r24933)

SVN-Revision: 24993

diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c
index e60b708d74aeb1491fcaf0b1e5ff349d9cad0ba9..9fff2cc54a0b79f0975f9d137e0d830f3446fe8a 100644 (file)
--- a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.c
@@ -561,6 +561,43 @@ static ssize_t rtl8366_read_debugfs_vlan_mc(struct file *file,
        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
+#define RTL8366_VLAN4K_PAGE_SIZE       64
+#define RTL8366_VLAN4K_NUM_PAGES       (4096 / RTL8366_VLAN4K_PAGE_SIZE)
+
+static ssize_t rtl8366_read_debugfs_vlan_4k(struct file *file,
+                                           char __user *user_buf,
+                                           size_t count, loff_t *ppos)
+{
+       struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+       int i, len = 0;
+       int offset;
+       char *buf = smi->buf;
+
+       if (smi->dbg_vlan_4k_page >= RTL8366_VLAN4K_NUM_PAGES) {
+               len += snprintf(buf + len, sizeof(smi->buf) - len,
+                               "invalid page: %u\n", smi->dbg_vlan_4k_page);
+               return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+       }
+
+       len += snprintf(buf + len, sizeof(smi->buf) - len,
+                       "%4s %6s %6s %3s\n",
+                       "vid", "member", "untag", "fid");
+
+       offset = RTL8366_VLAN4K_PAGE_SIZE * smi->dbg_vlan_4k_page;
+       for (i = 0; i < RTL8366_VLAN4K_PAGE_SIZE; i++) {
+               struct rtl8366_vlan_4k vlan4k;
+
+               smi->ops->get_vlan_4k(smi, offset + i, &vlan4k);
+
+               len += snprintf(buf + len, sizeof(smi->buf) - len,
+                               "%4d 0x%04x 0x%04x %3d\n",
+                               vlan4k.vid, vlan4k.member,
+                               vlan4k.untag, vlan4k.fid);
+       }
+
+       return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
 static ssize_t rtl8366_read_debugfs_pvid(struct file *file,
                                         char __user *user_buf,
                                         size_t count, loff_t *ppos)
@@ -703,6 +740,12 @@ static const struct file_operations fops_rtl8366_vlan_mc = {
        .owner  = THIS_MODULE
 };
 
+static const struct file_operations fops_rtl8366_vlan_4k = {
+       .read   = rtl8366_read_debugfs_vlan_4k,
+       .open   = rtl8366_debugfs_open,
+       .owner  = THIS_MODULE
+};
+
 static const struct file_operations fops_rtl8366_pvid = {
        .read   = rtl8366_read_debugfs_pvid,
        .open   = rtl8366_debugfs_open,
@@ -754,6 +797,22 @@ static void rtl8366_debugfs_init(struct rtl8366_smi *smi)
                return;
        }
 
+       node = debugfs_create_u8("vlan_4k_page", S_IRUGO | S_IWUSR, root,
+                                 &smi->dbg_vlan_4k_page);
+       if (!node) {
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "vlan_4k_page");
+               return;
+       }
+
+       node = debugfs_create_file("vlan_4k", S_IRUSR, root, smi,
+                                  &fops_rtl8366_vlan_4k);
+       if (!node) {
+               dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+                       "vlan_4k");
+               return;
+       }
+
        node = debugfs_create_file("pvid", S_IRUSR, root, smi,
                                   &fops_rtl8366_pvid);
        if (!node) {

diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h
index bdc7dfb023ae3b1a8e6fc0ee56dd042898ee061f..12768a4455a7d7008ff75c896f35dad237c2bff0 100644 (file)
--- a/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h
+++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8366_smi.h
@@ -52,6 +52,7 @@ struct rtl8366_smi {
 #ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
        struct dentry           *debugfs_root;
        u16                     dbg_reg;
+       u8                      dbg_vlan_4k_page;
 #endif
 };