Lines Matching defs:sum
3454 __sum16 sum;
3456 sum = csum_fold(skb_checksum(skb, 0, len, skb->csum));
3458 if (likely(!sum)) {
3464 skb->csum_valid = !sum;
3465 return sum;
3481 __sum16 sum;
3485 sum = csum_fold(csum_add(skb->csum, csum));
3493 if (likely(!sum)) {
3504 skb->csum_valid = !sum;
3507 return sum;
3511 static __wsum warn_crc32c_csum_update(const void *buff, int len, __wsum sum)
3731 * Return value: the sum of truesizes of all purged skbs.
3741 unsigned int sum = 0;
3748 sum += skb->truesize;
3751 return sum;