ipv6: Add redirect support to all protocol icmp error handlers.

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

1 files changed, 7 insertions, 4 deletions

diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 92832385a8ef..7af5aee75d98 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -64,7 +64,9 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                 (struct ip_comp_hdr *)(skb->data + offset);
         struct xfrm_state *x;
 
-        if (type != ICMPV6_DEST_UNREACH && type != ICMPV6_PKT_TOOBIG)
+        if (type != ICMPV6_DEST_UNREACH &&
+            type != ICMPV6_PKT_TOOBIG &&
+            type != NDISC_REDIRECT)
                 return;
 
         spi = htonl(ntohs(ipcomph->cpi));
@@ -73,9 +75,10 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
         if (!x)
                 return;
 
-        pr_debug("pmtu discovery on SA IPCOMP/%08x/%pI6\n",
-                 spi, &iph->daddr);
-        ip6_update_pmtu(skb, net, info, 0, 0);
+        if (type == NDISC_REDIRECT)
+                ip6_redirect(skb, net, 0, 0);
+        else
+                ip6_update_pmtu(skb, net, info, 0, 0);
         xfrm_state_put(x);
 }