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Date: Wed, 15 Jun 2011 04:15:28 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: Tom Herbert <therbert@...gle.com>, David Miller <davem@...emloft.net> Cc: netdev <netdev@...r.kernel.org>, Ben Hutchings <bhutchings@...arflare.com>, jamal <hadi@...erus.ca> Subject: [PATCH net-next-2.6] net: rfs: enable RFS before first data packet is received First packet received on a passive tcp flow is not correctly RFS steered. One sock_rps_record_flow() call is missing in inet_accept() But before that, we also must record rxhash when child socket is setup. Signed-off-by: Eric Dumazet <eric.dumazet@...il.com> CC: Tom Herbert <therbert@...gle.com> CC: Ben Hutchings <bhutchings@...arflare.com> CC: Jamal Hadi Salim <hadi@...erus.ca> --- Netconf2011 workshop ;) net/ipv4/af_inet.c | 1 + net/ipv4/tcp_ipv4.c | 1 + 2 files changed, 2 insertions(+) diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 83673d2..0600f0f 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -676,6 +676,7 @@ int inet_accept(struct socket *sock, struct socket *newsock, int flags) lock_sock(sk2); + sock_rps_record_flow(sk2); WARN_ON(!((1 << sk2->sk_state) & (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT | TCPF_CLOSE))); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 617dee3..955b8e6 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1594,6 +1594,7 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb) goto discard; if (nsk != sk) { + sock_rps_save_rxhash(nsk, skb->rxhash); if (tcp_child_process(sk, nsk, skb)) { rsk = nsk; goto reset; -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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