From owner-freebsd-net@FreeBSD.ORG  Mon Mar 19 19:11:58 2007
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
X-Original-To: freebsd-net@freebsd.org
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 9ADEF16A402
	for <freebsd-net@freebsd.org>; Mon, 19 Mar 2007 19:11:58 +0000 (UTC)
	(envelope-from andre@freebsd.org)
Received: from c00l3r.networx.ch (c00l3r.networx.ch [62.48.2.2])
	by mx1.freebsd.org (Postfix) with ESMTP id 3734F13C4BF
	for <freebsd-net@freebsd.org>; Mon, 19 Mar 2007 19:11:57 +0000 (UTC)
	(envelope-from andre@freebsd.org)
Received: (qmail 88492 invoked from network); 19 Mar 2007 18:41:19 -0000
Received: from c00l3r.networx.ch (HELO [127.0.0.1]) ([62.48.2.2])
	(envelope-sender <andre@freebsd.org>)
	by c00l3r.networx.ch (qmail-ldap-1.03) with SMTP
	for <bms@incunabulum.net>; 19 Mar 2007 18:41:19 -0000
Message-ID: <45FEE07C.4060501@freebsd.org>
Date: Mon, 19 Mar 2007 20:11:56 +0100
From: Andre Oppermann <andre@freebsd.org>
User-Agent: Thunderbird 1.5.0.10 (Windows/20070221)
MIME-Version: 1.0
To: Bruce M Simpson <bms@incunabulum.net>
References: <45FEDBF0.4050105@incunabulum.net>
In-Reply-To: <45FEDBF0.4050105@incunabulum.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-net@freebsd.org
Subject: Re: [PATCH] Multicast refcounting in network stack
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 19 Mar 2007 19:11:58 -0000

Bruce M Simpson wrote:
> Hi,
> 
> A patch against -CURRENT is now available:
>    http://people.freebsd.org/~bms/dump/multi_refcounting.diff
> 
> This is a fairly sweeping architectural change which should resolve 
> memory leaks and potential panics with the network stack as a whole, to 
> better support interface detach at runtime.
> 
> I'd like to check it in as soon as possible as it fixes the root cause 
> of the problems we have had with carp and pfsync in our stack. NetBSD 
> has implemented refcounting like this for some time now, so it does not 
> suffer from the same problems.

Patch looks good.  :-)

-- 
Andre