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| author |  Eric Dumazet <edumazet@google.com>
| 2021-11-15 11:02:32 -0800 |
|---|---|---|
| committer |  David S. Miller <davem@davemloft.net>
| 2021-11-16 13:10:34 +0000 |
| commit | 373544020024668ea552a7699c9c9f100b6bc9d9 (patch) | |
| tree | 26a9722f16481ad49f5f7a22aa1c95a532b9e72d /net/ipv6/tcp_ipv6.c | |
| parent | tcp: remove dead code in __tcp_v6_send_check() (diff) | |
| download | linux-373544020024668ea552a7699c9c9f100b6bc9d9.tar.gz linux-373544020024668ea552a7699c9c9f100b6bc9d9.tar.bz2 linux-373544020024668ea552a7699c9c9f100b6bc9d9.zip | |
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: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 551fce49841d..1f1a89f096de 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -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 = { |