net: Pass neighbours and dest address into NETEVENT_REDIRECT events.

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

1 files changed, 6 insertions, 1 deletions

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 4b581c675bb2..34b29881e22d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1687,6 +1687,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
         struct rt6_info *rt, *nrt = NULL;
         struct netevent_redirect netevent;
         struct net *net = dev_net(neigh->dev);
+        struct neighbour *old_neigh;
 
         rt = ip6_route_redirect(dest, src, saddr, neigh->dev);
 
@@ -1714,7 +1715,8 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
         dst_confirm(&rt->dst);
 
         /* Duplicate redirect: silently ignore. */
-        if (neigh == dst_get_neighbour_noref_raw(&rt->dst))
+        old_neigh = dst_get_neighbour_noref_raw(&rt->dst);
+        if (neigh == old_neigh)
                 goto out;
 
         nrt = ip6_rt_copy(rt, dest);
@@ -1732,7 +1734,10 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
                 goto out;
 
         netevent.old = &rt->dst;
+        netevent.old_neigh = old_neigh;
         netevent.new = &nrt->dst;
+        netevent.new_neigh = neigh;
+        netevent.daddr = dest;
         call_netevent_notifiers(NETEVENT_REDIRECT, &netevent);
 
         if (rt->rt6i_flags & RTF_CACHE) {