Lines Matching defs:sum
3606 __sum16 sum;
3608 sum = csum_fold(skb_checksum(skb, 0, len, skb->csum));
3610 if (likely(!sum)) {
3616 skb->csum_valid = !sum;
3617 return sum;
3633 __sum16 sum;
3637 sum = csum_fold(csum_add(skb->csum, csum));
3645 if (likely(!sum)) {
3656 skb->csum_valid = !sum;
3659 return sum;
3663 static __wsum warn_crc32c_csum_update(const void *buff, int len, __wsum sum)
3893 * Return value: the sum of truesizes of all purged skbs.
3903 unsigned int sum = 0;
3910 sum += skb->truesize;
3913 return sum;