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authorEric Dumazet2014-10-17 09:17:20 -0700
committerDavid S. Miller2014-10-17 23:48:07 -0400
commit870c3151382c980590d4d609babf3b0243e7db93 (patch)
tree5d472dc0982bfda41f56c08ff98c46d9b0f4afd8 /net/dccp/ipv6.c
parent70b33fb0ddec827cbbd14cdc664fc27b2ef4a6b6 (diff)
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 'net/dccp/ipv6.c')
-rw-r--r--net/dccp/ipv6.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index ad2acfe1ca61..6bcaa33cd804 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -757,7 +757,8 @@ static int dccp_v6_rcv(struct sk_buff *skb)
/* Step 2:
* Look up flow ID in table and get corresponding socket */
sk = __inet6_lookup_skb(&dccp_hashinfo, skb,
- dh->dccph_sport, dh->dccph_dport);
+ dh->dccph_sport, dh->dccph_dport,
+ inet6_iif(skb));
/*
* Step 2:
* If no socket ...