From 870c3151382c980590d4d609babf3b0243e7db93 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 17 Oct 2014 09:17:20 -0700 Subject: ipv6: introduce tcp_v6_iif() Commit 971f10eca186 ("tcp: better TCP_SKB_CB layout to reduce cache line misses") added a regression for SO_BINDTODEVICE on IPv6. This is because we still use inet6_iif() which expects that IP6 control block is still at the beginning of skb->cb[] This patch adds tcp_v6_iif() helper and uses it where necessary. Because __inet6_lookup_skb() is used by TCP and DCCP, we add an iif parameter to it. Signed-off-by: Eric Dumazet Fixes: 971f10eca186 ("tcp: better TCP_SKB_CB layout to reduce cache line misses") Acked-by: Cong Wang Signed-off-by: David S. Miller --- include/net/inet6_hashtables.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'include/net/inet6_hashtables.h') diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index ae0613544308..d1d272843b3b 100644 --- a/include/net/inet6_hashtables.h +++ b/include/net/inet6_hashtables.h @@ -80,7 +80,8 @@ static inline struct sock *__inet6_lookup(struct net *net, static inline struct sock *__inet6_lookup_skb(struct inet_hashinfo *hashinfo, struct sk_buff *skb, const __be16 sport, - const __be16 dport) + const __be16 dport, + int iif) { struct sock *sk = skb_steal_sock(skb); @@ -90,7 +91,7 @@ static inline struct sock *__inet6_lookup_skb(struct inet_hashinfo *hashinfo, return __inet6_lookup(dev_net(skb_dst(skb)->dev), hashinfo, &ipv6_hdr(skb)->saddr, sport, &ipv6_hdr(skb)->daddr, ntohs(dport), - inet6_iif(skb)); + iif); } struct sock *inet6_lookup(struct net *net, struct inet_hashinfo *hashinfo, -- cgit v1.2.3-59-g8ed1b