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Date: Sat, 13 Oct 2007 19:35:09 +0200 From: KOVACS Krisztian <hidden@....bme.hu> To: David Miller <davem@...emloft.net> Cc: Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org Subject: [PATCH 12/14] Don't lookup the socket if there's a socket attached to the skb Use the socket cached in the TPROXY target if it's present. Signed-off-by: KOVACS Krisztian <hidden@....bme.hu> --- net/ipv4/tcp_ipv4.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index fb471b0..90ee2ca 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1662,6 +1662,14 @@ int tcp_v4_rcv(struct sk_buff *skb) TCP_SKB_CB(skb)->flags = iph->tos; TCP_SKB_CB(skb)->sacked = 0; +#if defined(CONFIG_NETFILTER_TPROXY) || defined(CONFIG_NETFILTER_TPROXY_MODULE) + if (unlikely(skb->sk)) { + /* steal reference */ + sk = skb->sk; + skb->destructor = NULL; + skb->sk = NULL; + } else +#endif sk = __inet_lookup(&tcp_hashinfo, iph->saddr, th->source, iph->daddr, th->dest, inet_iif(skb)); if (!sk) - 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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