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inetpeer: Move ICMP rate limiting state into inet_peer entries.

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Like metrics, the ICMP rate limiting bits are cached state about
a destination.  So move it into the inet_peer entries.

If an inet_peer cannot be bound (the reason is memory allocation
failure or similar), the policy is to allow.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-02-04 15:55:25 -08:00
parent 0131ba451e
commit 92d8682926
9 changed files with 108 additions and 73 deletions
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4
net/ipv6/ndisc.c
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@@ -1553,7 +1553,9 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
"ICMPv6 Redirect: destination is not a neighbour.\n");
goto release;
}
if (!xrlim_allow(dst, 1*HZ))
if (!rt->rt6i_peer)
rt6_bind_peer(rt, 1);
if (inet_peer_xrlim_allow(rt->rt6i_peer, 1*HZ))
goto release;
if (dev->addr_len) {