extern int csum_partial_copy_fromiovecend(unsigned char *kdata,
struct iovec *iov,
int offset,
- unsigned int len, int *csump);
+ unsigned int len, __wsum *csump);
extern int verify_iovec(struct msghdr *m, struct iovec *iov, char *address, int mode);
extern int memcpy_toiovec(struct iovec *v, unsigned char *kdata, int len);
struct sk_buff *skb;
unsigned int offset;
size_t count;
- unsigned int csum;
+ __wsum csum;
} skb_reader_t;
typedef size_t (*skb_read_actor_t)(skb_reader_t *desc, void *to, size_t len);
* call to this function will be unaligned also.
*/
int csum_partial_copy_fromiovecend(unsigned char *kdata, struct iovec *iov,
- int offset, unsigned int len, int *csump)
+ int offset, unsigned int len, __wsum *csump)
{
- int csum = *csump;
+ __wsum csum = *csump;
int partial_cnt = 0, err = 0;
/* Skip over the finished iovecs */
end = start + skb_shinfo(skb)->frags[i].size;
if ((copy = end - offset) > 0) {
- unsigned int csum2;
+ __wsum csum2;
u8 *vaddr;
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
if (memcpy_fromiovecend(to, iov, offset, len) < 0)
return -EFAULT;
} else {
- unsigned int csum = 0;
+ __wsum csum = 0;
if (csum_partial_copy_fromiovecend(to, iov, offset, len, &csum) < 0)
return -EFAULT;
skb->csum = csum_block_add(skb->csum, csum, odd);
return 0;
}
-static inline unsigned int
+static inline __wsum
csum_page(struct page *page, int offset, int copy)
{
char *kaddr;
- unsigned int csum;
+ __wsum csum;
kaddr = kmap(page);
csum = csum_partial(kaddr + offset, copy, 0);
kunmap(page);
}
if (skb->ip_summed == CHECKSUM_NONE) {
- unsigned int csum;
+ __wsum csum;
csum = csum_page(page, offset, len);
skb->csum = csum_block_add(skb->csum, csum, skb->len);
}
* each socket state is protected by separate rwlock.
*/
-static inline unsigned unix_hash_fold(unsigned hash)
+static inline unsigned unix_hash_fold(__wsum n)
{
+ unsigned hash = (__force unsigned)n;
hash ^= hash>>16;
hash ^= hash>>8;
return hash&(UNIX_HASH_SIZE-1);