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

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2012-07-12 00:25:15 -07:00
parent 3a5ad2ee5e
commit ec18d9a269
13 changed files with 69 additions and 14 deletions
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11
net/ipv6/esp6.c
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@@ -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);
}