Commit 745898ea authored May 26, 2009 by Herbert Xu Committed by David S. Miller May 27, 2009

tcp: Optimise GRO port comparisons



Instead of doing two 16-bit operations for the source/destination
ports, we can do one 32-bit operation to take care both.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 78d3fd0b

net/ipv4/tcp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2544,7 +2544,7 @@ struct sk_buff tcp_gro_receive(struct sk_buff head, struct sk_buff *skb)

		th2 = tcp_hdr(p);

		if ((th->source ^ th2->source) \| (th->dest ^ th2->dest)) {
		if ((u32 )&th->source ^ (u32 )&th2->source) {
		NAPI_GRO_CB(p)->same_flow = 0;
		continue;
		}