From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: jorge@dti2.net, netdev@vger.kernel.org
Subject: Re: [PATCH] udp: fix for unicast RX path optimization
Date: Thu, 08 Apr 2010 11:30:02 -0700 (PDT) [thread overview]
Message-ID: <20100408.113002.03363708.davem@davemloft.net> (raw)
In-Reply-To: <1270739547.2215.61.camel@edumazet-laptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 08 Apr 2010 17:12:27 +0200
> Le jeudi 08 avril 2010 à 16:56 +0200, Jorge Boncompte [DTI2] a écrit :
>> Commits 5051ebd275de672b807c28d93002c2fb0514a3c9 and
>> 5051ebd275de672b807c28d93002c2fb0514a3c9 ("ipv[46]: udp: optimize unicast RX
>> path") broke some programs.
>>
>> After upgrading a L2TP server to 2.6.33 it started to fail, tunnels going up an
>> down, after the 10th tunnel came up. My modified rp-l2tp uses a global
>> unconnected socket bound to (INADDR_ANY, 1701) and one connected socket per
>> tunnel after parameter negotiation.
>>
>> After ten sockets were open and due to mixed parameters to
>> udp[46]_lib_lookup2() kernel started to drop packets.
>>
>> Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
...
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied and queued up for -stable.
prev parent reply other threads:[~2010-04-08 18:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-08 14:56 [PATCH] udp: fix for unicast RX path optimization Jorge Boncompte [DTI2]
2010-04-08 15:12 ` Eric Dumazet
2010-04-08 18:16 ` David Miller
2010-04-08 18:30 ` David Miller [this message]
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