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, 6 insertions, 2 deletions

diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 2493ed5bfecd..60e4c6e1bac0 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -117,7 +117,9 @@ static void dn_dst_destroy(struct dst_entry *);
 static struct dst_entry *dn_dst_negative_advice(struct dst_entry *);
 static void dn_dst_link_failure(struct sk_buff *);
 static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu);
-static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr);
+static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst,
+                                             struct sk_buff *skb,
+                                             const void *daddr);
 static int dn_route_input(struct sk_buff *);
 static void dn_run_flush(unsigned long dummy);
 
@@ -828,7 +830,9 @@ static unsigned int dn_dst_mtu(const struct dst_entry *dst)
         return mtu ? : dst->dev->mtu;
 }
 
-static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr)
+static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst,
+                                             struct sk_buff *skb,
+                                             const void *daddr)
 {
         return __neigh_lookup_errno(&dn_neigh_table, daddr, dst->dev);
 }