summaryrefslogtreecommitdiff
path: root/net/ipv4/ip_gre.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2012-07-11 21:27:49 -0700
committerDavid S. Miller <davem@davemloft.net>2012-07-11 21:27:49 -0700
commit55be7a9c6074f749d617a7fc1914c9a23505438c (patch)
tree507268878abc1c5f5476823264b6f9f8acefa205 /net/ipv4/ip_gre.c
parentb42597e2f36e2043756aa7462faddf630962f061 (diff)
downloadlwn-55be7a9c6074f749d617a7fc1914c9a23505438c.tar.gz
lwn-55be7a9c6074f749d617a7fc1914c9a23505438c.zip
ipv4: Add redirect support to all protocol icmp error handlers.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r--net/ipv4/ip_gre.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 594cec35ac4d..0c3123566d76 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -528,6 +528,9 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
if (code != ICMP_EXC_TTL)
return;
break;
+
+ case ICMP_REDIRECT:
+ break;
}
rcu_read_lock();
@@ -543,7 +546,11 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
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;