[IPV6] NDISC: Take source address into account for redirects.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Ville Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 3f170f6..249ce45 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -110,6 +110,7 @@
struct in6_addr *gwaddr);
extern void rt6_redirect(struct in6_addr *dest,
+ struct in6_addr *src,
struct in6_addr *saddr,
struct neighbour *neigh,
u8 *lladdr,
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 419d651..32f28de 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1346,7 +1346,8 @@
neigh = __neigh_lookup(&nd_tbl, target, skb->dev, 1);
if (neigh) {
- rt6_redirect(dest, &skb->nh.ipv6h->saddr, neigh, lladdr,
+ rt6_redirect(dest, &skb->nh.ipv6h->daddr,
+ &skb->nh.ipv6h->saddr, neigh, lladdr,
on_link);
neigh_release(neigh);
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5d6e908..a9b08a2 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1279,7 +1279,8 @@
/*
* Handle redirects
*/
-void rt6_redirect(struct in6_addr *dest, struct in6_addr *saddr,
+void rt6_redirect(struct in6_addr *dest, struct in6_addr *src,
+ struct in6_addr *saddr,
struct neighbour *neigh, u8 *lladdr, int on_link)
{
struct rt6_info *rt, *nrt = NULL;
@@ -1304,7 +1305,7 @@
*/
read_lock_bh(&table->tb6_lock);
- fn = fib6_lookup(&table->tb6_root, dest, NULL);
+ fn = fib6_lookup(&table->tb6_root, dest, src);
restart:
for (rt = fn->leaf; rt; rt = rt->u.next) {
/*