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authorDavid S. Miller <davem@davemloft.net>2012-07-23 16:29:00 -0700
committerDavid S. Miller <davem@davemloft.net>2012-07-23 16:36:26 -0700
commit92101b3b2e3178087127709a556b091dae314e9e (patch)
tree06359f8823da3ed7617c5ea78e4a56bc5e958fea /net/dccp
parentfe3edf45792a7d2f0edff4e2fcdd9a84c1a388a0 (diff)
ipv4: Prepare for change of rt->rt_iif encoding.
Use inet_iif() consistently, and for TCP record the input interface of cached RX dst in inet sock. rt->rt_iif is going to be encoded differently, so that we can legitimately cache input routes in the FIB info more aggressively. When the input interface is "use SKB device index" the rt->rt_iif will be set to zero. This forces us to move the TCP RX dst cache installation into the ipv4 specific code, and as well it should since doing the route caching for ipv6 is pointless at the moment since it is not inspected in the ipv6 input paths yet. Also, remove the unlikely on dst->obsolete, all ipv4 dsts have obsolete set to a non-zero value to force invocation of the check callback. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/ipv4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 25428d0c50c9..176ecdba4a22 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -481,7 +481,7 @@ static struct dst_entry* dccp_v4_route_skb(struct net *net, struct sock *sk,
struct rtable *rt;
const struct iphdr *iph = ip_hdr(skb);
struct flowi4 fl4 = {
- .flowi4_oif = skb_rtable(skb)->rt_iif,
+ .flowi4_oif = inet_iif(skb),
.daddr = iph->saddr,
.saddr = iph->daddr,
.flowi4_tos = RT_CONN_FLAGS(sk),

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