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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH V3 2/8] tcp: use limited socket backlog
Date: Mon, 08 Mar 2010 10:46:52 -0800 (PST)
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=46rom: Eric Dumazet <eric.dumazet@gmail.com>
Date: Mon, 08 Mar 2010 10:21:57 +0100

> Le vendredi 05 mars 2010 =E0 07:19 +0100, Eric Dumazet a =E9crit :
>=20
>> I'll submit a followup patch to add a MIB counter if your patch gets=
 in.
>>=20
>=20
> As promised, here it is.
>=20
> [PATCH] tcp: Add SNMP counters for backlog and min_ttl drops
>=20
> Commit 6b03a53a (tcp: use limited socket backlog) added the possibili=
ty
> of dropping frames when backlog queue is full.
>=20
> Commit d218d111 (tcp: Generalized TTL Security Mechanism) added the
> possibility of dropping frames when TTL is under a given limit.
>=20
> This patch adds new SNMP MIB entries, named TCPBacklogDrop and=20
> TCPMinTTLDrop, published in /proc/net/netstat in TcpExt: line
>=20
> netstat -s | egrep "TCPBacklogDrop|TCPMinTTLDrop"
>     TCPBacklogDrop: 0
>     TCPMinTTLDrop: 0
>=20
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Applied.