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From: jamal <hadi@cyberus.ca>
To: Adam Katz <adamkatz0@gmail.com>
Cc: netdev@vger.kernel.org
Subject: Re: libpcap and tc filters
Date: Tue, 05 Jul 2011 09:56:53 -0400	[thread overview]
Message-ID: <1309874213.1765.45.camel@mojatatu> (raw)
In-Reply-To: <CAA0qwj5aBWrsqHGddW9FBV2srdGwVMzJKe84BTyRH0Dkr6KgVQ@mail.gmail.com>

On Tue, 2011-07-05 at 16:07 +0300, Adam Katz wrote:

> second, I just took at the libpcap source code and it seems it's using
> the same ETH_P_ALL option when binding to an interface. So based on
> what you're saying, the same solution of patching libpcap and
> replacing ETH_P_ALL with  ETH_P_IP should also make these rules work
> with traffic sent using pure libpcap or any libpcap - based
> application.

ETH_P_ALL makes sense if you are unsure it is going to be IP. So i would
change/optimize apps only for IP if they are intended to deal with IP
only (same for ARP etc).
In your case, it seems it is tcp only - which runs on top of IP. So
it makes sense to do it for that specific use case etc.

cheers,
jamal



  reply	other threads:[~2011-07-05 13:56 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-04  7:38 libpcap and tc filters Adam Katz
2011-07-04 10:20 ` Eric Dumazet
2011-07-04 11:11 ` jamal
2011-07-04 12:01   ` Adam Katz
2011-07-04 12:37     ` Adam Katz
2011-07-04 13:05       ` jamal
2011-07-04 13:24         ` Adam Katz
2011-07-04 14:06           ` jamal
2011-07-04 14:16             ` Adam Katz
2011-07-05 10:56               ` jamal
2011-07-05 12:47                 ` jamal
2011-07-05 13:07                   ` Adam Katz
2011-07-05 13:56                     ` jamal [this message]
2011-07-05 14:21                       ` Adam Katz
2011-07-05 14:41                         ` jamal
2011-07-05 15:16                           ` Adam Katz
2011-07-05 16:14                             ` Eric Dumazet
2011-07-05 16:54                               ` Adam Katz
2011-07-05 19:19                                 ` jamal
2011-07-05 20:07                                   ` Adam Katz
     [not found] <CAA0qwj5Ktxi=v3XDAdTpKS_pWa+HjFL5XcN2qsK5m57JJ5G2Bg@mail.gmail.com>
2011-07-03 12:49 ` Adam Katz

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