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| author | Eric Dumazet <edumazet@google.com> | 2014-10-17 09:17:20 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-10-17 23:48:07 -0400 |
| commit | 870c3151382c980590d4d609babf3b0243e7db93 (patch) | |
| tree | 5d472dc0982bfda41f56c08ff98c46d9b0f4afd8 /include/net/inet6_hashtables.h | |
| parent | 70b33fb0ddec827cbbd14cdc664fc27b2ef4a6b6 (diff) | |
| download | lwn-870c3151382c980590d4d609babf3b0243e7db93.tar.gz lwn-870c3151382c980590d4d609babf3b0243e7db93.zip | |
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 <edumazet@google.com>
Fixes: 971f10eca186 ("tcp: better TCP_SKB_CB layout to reduce cache line misses")
Acked-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet6_hashtables.h')
| -rw-r--r-- | include/net/inet6_hashtables.h | 5 |
1 files changed, 3 insertions, 2 deletions
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, |