Commits
Tom Herbert committed abc5d1ff3e8
net: Add inet_proto_csum_replace_by_diff utility function This function updates a checksum field value and skb->csum based on a value which is the difference between the old and new checksum. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>