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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/ipcomp6.c
View file

@ -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);
}