netdev - Re: [PATCH V3 2/8] tcp: use limited socket backlog

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Message-Id: <20100308.104652.23696042.davem@davemloft.net>
Date:	Mon, 08 Mar 2010 10:46:52 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	yi.zhu@...el.com, netdev@...r.kernel.org
Subject: Re: [PATCH V3 2/8] tcp: use limited socket backlog

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 08 Mar 2010 10:21:57 +0100

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

Applied.
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