Lines Matching refs:sum
3692 __sum16 sum; in __skb_checksum_complete_head() local
3694 sum = csum_fold(skb_checksum(skb, 0, len, skb->csum)); in __skb_checksum_complete_head()
3696 if (likely(!sum)) { in __skb_checksum_complete_head()
3702 skb->csum_valid = !sum; in __skb_checksum_complete_head()
3703 return sum; in __skb_checksum_complete_head()
3719 __sum16 sum; in __skb_checksum_complete() local
3723 sum = csum_fold(csum_add(skb->csum, csum)); in __skb_checksum_complete()
3731 if (likely(!sum)) { in __skb_checksum_complete()
3742 skb->csum_valid = !sum; in __skb_checksum_complete()
3745 return sum; in __skb_checksum_complete()
3963 unsigned int sum = 0; in skb_rbtree_purge() local
3970 sum += skb->truesize; in skb_rbtree_purge()
3973 return sum; in skb_rbtree_purge()