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
next prev parent 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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