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From: Jamal Hadi <hadi@shell.cyberus.ca>
To: Ethan Sommer <sommere@ethanet.com>
Cc: "David S. Miller" <davem@redhat.com>,
	linux-net@vger.kernel.org, netdev@oss.sgi.com
Subject: Re: [Fwd: [ANNOUNCE] Layer-7 Filter for Linux QoS]
Date: Tue, 20 May 2003 08:14:44 -0400 (EDT)	[thread overview]
Message-ID: <20030520080940.E40885@shell.cyberus.ca> (raw)
In-Reply-To: <3EC9B815.4000504@ethanet.com>



On Tue, 20 May 2003, Ethan Sommer wrote:

> I picked Spencer's mainly because it was a pain to port the glibc
> version into kernel space. They are both basically the posix regexp
> interface, so if someone wants to get another version working in kernel
> space we can test and see which one performs better with real load
> pretty easily.
>

Take a look at snorts implementation. I think snort is GPL so you may
just be able to borrow it.

>
> Yep. We haven't spent a lot of time on optimizations. Obviously that
> example can be fixed pretty quickly... except I'm not sure we can avoid
> it and stay thread safe? (linux can route multiple packets at the same
> time on an smp box right? so we can't just use a staically defined
> buffer...)
>

Your problem seesm to be the regexp scheme used. You dont need a static
buffer i think. You should be able to operate on an incoming packet
itself.

cheers,
jamal

  reply	other threads:[~2003-05-20 12:14 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-19  3:01 [Fwd: [ANNOUNCE] Layer-7 Filter for Linux QoS] David S. Miller
2003-05-20  0:38 ` Jamal Hadi
2003-05-20  5:07   ` Ethan Sommer
2003-05-20 12:14     ` Jamal Hadi [this message]
2003-05-20 14:39       ` Ethan Sommer
2003-05-20 15:00         ` Jamal Hadi
2003-05-20 15:15           ` Martin Josefsson
2003-05-21 12:39             ` Jamal Hadi
2003-05-21 13:20               ` Philippe Biondi
2003-05-21 15:46                 ` Ethan Sommer
2003-05-21 23:11                   ` Philippe Biondi
2003-05-21 23:26                     ` Ethan Sommer
2003-05-22  8:26                       ` Philippe Biondi
2003-05-22 14:40                         ` Ethan Sommer
2003-05-24  7:22                           ` Werner Almesberger
2003-05-24  4:11                       ` Werner Almesberger
2003-05-24  4:23                         ` Werner Almesberger
2003-05-21 15:42               ` Ethan Sommer
2003-05-20 19:50           ` Ethan Sommer

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