ipv4: Add redirect support to all protocol icmp error handlers.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 594cec3..0c31235 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -528,6 +528,9 @@
if (code != ICMP_EXC_TTL)
return;
break;
+
+ case ICMP_REDIRECT:
+ break;
}
rcu_read_lock();
@@ -543,7 +546,11 @@
t->parms.link, 0, IPPROTO_GRE, 0);
goto out;
}
-
+ if (type == ICMP_REDIRECT) {
+ ipv4_redirect(skb, dev_net(skb->dev), t->parms.link, 0,
+ IPPROTO_GRE, 0);
+ goto out;
+ }
if (t->parms.iph.daddr == 0 ||
ipv4_is_multicast(t->parms.iph.daddr))
goto out;