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From: Victor Julien <victor@inliniac.net>
To: Changli Gao <xiaosuo@gmail.com>
Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: [RFC PATCH] packet: Add fanout support.
Date: Wed, 22 Jun 2011 08:49:59 +0200	[thread overview]
Message-ID: <4E019097.7090703@inliniac.net> (raw)
In-Reply-To: <BANLkTinxvHbkCLehJkqoCfryeTqL0zhWiw@mail.gmail.com>

On 06/22/2011 03:44 AM, Changli Gao wrote:
> On Wed, Jun 22, 2011 at 5:39 AM, David Miller <davem@davemloft.net> wrote:
>> From: Victor Julien <victor@inliniac.net>
>> Date: Tue, 21 Jun 2011 15:27:54 +0200
>>
>>> From a Suricata IDS point of view, I would need to have the
>>> fragments of a flow/tuple on the same socket.
>>
>> Currently you would, they would all go to the first socket in
>> the fanout.
>>
> 
> I think he also needs all the packets belong to the related
> connections are received via the same socket. I am afraid that he has
> to dispatch these kind of packets among the uesrland processes again.
> :)
> 

Indeed. Although in Suricata we *could* work around it as we distribute
the flows over threads, not processes. It would still be messy. For this
to be useful to a tool like Snort (I'm sure they're interested) I think
this would be a deal breaker.

-- 
---------------------------------------------
Victor Julien
http://www.inliniac.net/
PGP: http://www.inliniac.net/victorjulien.asc
---------------------------------------------


  parent reply	other threads:[~2011-06-22  6:50 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-21  9:53 [RFC PATCH] packet: Add fanout support David Miller
2011-06-21 10:39 ` Victor Julien
2011-06-21 10:46   ` David Miller
2011-06-21 13:05     ` Changli Gao
2011-06-21 13:27       ` Victor Julien
2011-06-21 21:39         ` David Miller
2011-06-22  1:44           ` Changli Gao
2011-06-22  2:12             ` David Miller
2011-06-22  6:49             ` Victor Julien [this message]
2011-06-21 21:31       ` David Miller

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