ipv4: Add redirect support to all protocol icmp error handlers.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 715338a1b205..c2d0e6d8baaf 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -360,6 +360,8 @@ static int ipip_err(struct sk_buff *skb, u32 info)
                 if (code != ICMP_EXC_TTL)
                         return 0;
                 break;
+        case ICMP_REDIRECT:
+                break;
         }
 
         err = -ENOENT;
@@ -376,6 +378,13 @@ static int ipip_err(struct sk_buff *skb, u32 info)
                 goto out;
         }
 
+        if (type == ICMP_REDIRECT) {
+                ipv4_redirect(skb, dev_net(skb->dev), t->dev->ifindex, 0,
+                              IPPROTO_IPIP, 0);
+                err = 0;
+                goto out;
+        }
+
         if (t->parms.iph.daddr == 0)
                 goto out;