Commit 37354402 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

tcp: small optimization in tcp_v6_send_check() 



For TCP flows, inet6_sk(sk)->saddr has the same value
than sk->sk_v6_rcv_saddr.

Using sk->sk_v6_rcv_saddr increases data locality.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 283c6b54

net/ipv6/tcp_ipv6.c

+1 −3
Original line number Diff line number Diff line
@@ -1893,9 +1893,7 @@ static struct timewait_sock_ops tcp6_timewait_sock_ops = { 


INDIRECT_CALLABLE_SCOPE void tcp_v6_send_check(struct sock *sk, struct sk_buff *skb)

{

	struct ipv6_pinfo *np = inet6_sk(sk);



	__tcp_v6_send_check(skb, &np->saddr, &sk->sk_v6_daddr);

	__tcp_v6_send_check(skb, &sk->sk_v6_rcv_saddr, &sk->sk_v6_daddr);

}



const struct inet_connection_sock_af_ops ipv6_specific = {