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/esp6.c b/net/ipv6/esp6.c
index 89a615ba84f8..6dc7fd353ef5 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -434,16 +434,19 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
         struct xfrm_state *x;
 
         if (type != ICMPV6_DEST_UNREACH &&
-            type != ICMPV6_PKT_TOOBIG)
+            type != ICMPV6_PKT_TOOBIG &&
+            type != NDISC_REDIRECT)
                 return;
 
         x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
                               esph->spi, IPPROTO_ESP, AF_INET6);
         if (!x)
                 return;
-        pr_debug("pmtu discovery on SA ESP/%08x/%pI6\n",
-                 ntohl(esph->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);
 }