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ipv4: 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
2012-07-11 21:27:49 -07:00
parent b42597e2f3
commit 55be7a9c60
12 changed files with 110 additions and 16 deletions
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9
net/ipv4/ip_gre.c
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@@ -528,6 +528,9 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
if (code != ICMP_EXC_TTL)
return;
break;
case ICMP_REDIRECT:
break;
}
rcu_read_lock();
@@ -543,7 +546,11 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
t->parms.link, 0, IPPROTO_GRE, 0);
goto out;
}
if (type == ICMP_REDIRECT) {
ipv4_redirect(skb, dev_net(skb->dev), t->parms.link, 0,
IPPROTO_GRE, 0);
goto out;
}
if (t->parms.iph.daddr == 0 ||
ipv4_is_multicast(t->parms.iph.daddr))
goto out;