net: Add optional SKB arg to dst_ops->neigh_lookup().

Causes the handler to use the daddr in the ipv4/ipv6 header when
the route gateway is unspecified (local subnet).

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index ccfbd328a69d..a28a3f972d5b 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2404,9 +2404,11 @@ static unsigned int xfrm_mtu(const struct dst_entry *dst)
         return mtu ? : dst_mtu(dst->path);
 }
 
-static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, const void *daddr)
+static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst,
+                                           struct sk_buff *skb,
+                                           const void *daddr)
 {
-        return dst_neigh_lookup(dst->path, daddr);
+        return dst->path->ops->neigh_lookup(dst, skb, daddr);
 }
 
 int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo)