From owner-freebsd-net  Wed Oct  9 15:40:38 2002
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 19DBC37B406; Wed,  9 Oct 2002 15:40:37 -0700 (PDT)
Received: from bunyip.cc.uq.edu.au (bunyip.cc.uq.edu.au [130.102.2.1])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id E01F043E65; Wed,  9 Oct 2002 15:40:34 -0700 (PDT)
	(envelope-from csmith@its.uq.edu.au)
Received: from [130.102.152.71] (tomsk.its.uq.edu.au [130.102.152.71])
	by bunyip.cc.uq.edu.au (8.9.3/8.9.3) with ESMTP id IAA24684;
	Thu, 10 Oct 2002 08:40:29 +1000 (GMT+1000)
User-Agent: Microsoft-Entourage/10.1.0.2006
Date: Wed, 09 Oct 2002 20:44:03 +1000
Subject: Re: High interrupt load on firewalls
From: Christopher Smith <csmith@its.uq.edu.au>
To: Attila Nagy <bra@fsn.hu>
Cc: <hardware@freebsd.org>, <net@freebsd.org>
Message-ID: <B9CA4593.3A1F2%csmith@its.uq.edu.au>
In-Reply-To: <Pine.LNX.4.44.0210091011560.3631-100000@scribble.fsn.hu>
Mime-version: 1.0
Content-type: text/plain; charset="US-ASCII"
Content-transfer-encoding: 7bit
Sender: owner-freebsd-net@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-net.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-net>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-net>
X-Loop: FreeBSD.org

On 9/10/2002 6:20 PM, "Attila Nagy" <bra@fsn.hu> wrote:

> Hello,

[chomp]

> and
> sys/kern/kern_poll.c:
> [...]
> #ifdef SMP
> #include "opt_lint.h"
> #ifndef COMPILING_LINT
> #error DEVICE_POLLING is not compatible with SMP
> #endif
> #endif
> [...]
> 
> (no SMP support)

This I can live with, as it appears having multiple CPUs does SFA anyway
when it comes to firewalling (at least with FreeBSD <5.0).  Certainly we
have no discernable improvement on our dual 1GHz P3s between a UMP and SMP
kernel.

> As stated above, I'm not an expert, but my opinion is that polling would
> be the best on the Gigabit cards (due to their capacity) and not the Fast
> Ethernet ones.
> 
> Maybe we could start sending GE hardware to Luigi :)

I could probably swing a remote login to a machine with a NetGear GA620 (ti)
fibre card and an Intel (em) copper card (it's a Dell 1650) if it would help
speed development.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-net" in the body of the message