From owner-cvs-src@FreeBSD.ORG  Wed Feb 27 18:43:42 2008
Return-Path: <owner-cvs-src@FreeBSD.ORG>
Delivered-To: cvs-src@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 9FA401065682
	for <cvs-src@FreeBSD.org>; Wed, 27 Feb 2008 18:43:42 +0000 (UTC)
	(envelope-from julian@elischer.org)
Received: from outZ.internet-mail-service.net (outZ.internet-mail-service.net
	[216.240.47.249])
	by mx1.freebsd.org (Postfix) with ESMTP id 8D9268FC28
	for <cvs-src@FreeBSD.org>; Wed, 27 Feb 2008 18:43:42 +0000 (UTC)
	(envelope-from julian@elischer.org)
Received: from mx0.idiom.com (HELO idiom.com) (216.240.32.160)
	by out.internet-mail-service.net (qpsmtpd/0.40) with ESMTP;
	Wed, 27 Feb 2008 10:43:42 -0800
Received: from julian-mac.elischer.org (localhost [127.0.0.1])
	by idiom.com (Postfix) with ESMTP id 8197C1273BB;
	Wed, 27 Feb 2008 10:43:41 -0800 (PST)
Message-ID: <47C5AF6E.5070503@elischer.org>
Date: Wed, 27 Feb 2008 10:43:58 -0800
From: Julian Elischer <julian@elischer.org>
User-Agent: Thunderbird 2.0.0.9 (Macintosh/20071031)
MIME-Version: 1.0
To: David Malone <dwmalone@FreeBSD.org>
References: <200802271352.m1RDqXeL086667@repoman.freebsd.org>
In-Reply-To: <200802271352.m1RDqXeL086667@repoman.freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sbin/ipfw ipfw.8 ipfw2.c src/sys/netinet    
 ip_dummynet.c
X-BeenThere: cvs-src@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: CVS commit messages for the src tree <cvs-src.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-src>
List-Post: <mailto:cvs-src@freebsd.org>
List-Help: <mailto:cvs-src-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>,
	<mailto:cvs-src-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 27 Feb 2008 18:43:42 -0000

David Malone wrote:
> dwmalone    2008-02-27 13:52:33 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sbin/ipfw            ipfw.8 ipfw2.c 
>     sys/netinet          ip_dummynet.c 
>   Log:
>   Dummynet has a limit of 100 slots queue size (or 1MB, if you give
>   the limit in bytes) hard coded into both the kernel and userland.
>   Make both these limits a sysctl, so it is easy to change the limit.
>   If the userland part of ipfw finds that the sysctls don't exist,
>   it will just fall back to the traditional limits.

"hooray!"

>   
>   (100 packets is quite a small limit these days. If you want to test
>   TCP at 100Mbps, 100 packets can only accommodate a DBP of 12ms.)
>   
>   Note these sysctls in the man page and warn against increasing them
>   without thinking first.
>   
>   MFC after:      3 weeks
>   
>   Revision  Changes    Path
>   1.211     +14 -0     src/sbin/ipfw/ipfw.8
>   1.118     +18 -5     src/sbin/ipfw/ipfw2.c
>   1.115     +9 -2      src/sys/netinet/ip_dummynet.c