From owner-freebsd-net@FreeBSD.ORG  Mon Aug 29 06:40:49 2005
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 [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id EE2F716A41F
	for <freebsd-net@FreeBSD.org>; Mon, 29 Aug 2005 06:40:49 +0000 (GMT)
	(envelope-from glebius@FreeBSD.org)
Received: from cell.sick.ru (cell.sick.ru [217.72.144.68])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 35E3943D45
	for <freebsd-net@FreeBSD.org>; Mon, 29 Aug 2005 06:40:48 +0000 (GMT)
	(envelope-from glebius@FreeBSD.org)
Received: from cell.sick.ru (glebius@localhost [127.0.0.1])
	by cell.sick.ru (8.13.3/8.13.3) with ESMTP id j7T6efhs054732
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);
	Mon, 29 Aug 2005 10:40:41 +0400 (MSD)
	(envelope-from glebius@FreeBSD.org)
Received: (from glebius@localhost)
	by cell.sick.ru (8.13.3/8.13.1/Submit) id j7T6ee5I054731;
	Mon, 29 Aug 2005 10:40:40 +0400 (MSD)
	(envelope-from glebius@FreeBSD.org)
X-Authentication-Warning: cell.sick.ru: glebius set sender to
	glebius@FreeBSD.org using -f
Date: Mon, 29 Aug 2005 10:40:40 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: "Daniel O'Connor" <doconnor@gsoft.com.au>
Message-ID: <20050829064040.GB48425@cell.sick.ru>
Mail-Followup-To: Gleb Smirnoff <glebius@FreeBSD.org>,
	Daniel O'Connor <doconnor@gsoft.com.au>,
	Julian Elischer <julian@elischer.org>,
	Chuck Swiger <cswiger@mac.com>, freebsd-net@freebsd.org
References: <200507290834.10268.doconnor@gsoft.com.au>
	<42EBD738.2010105@elischer.org>
	<200507312253.29038.doconnor@gsoft.com.au>
	<200508291449.15427.doconnor@gsoft.com.au>
Mime-Version: 1.0
Content-Type: text/plain; charset=koi8-r
Content-Disposition: inline
In-Reply-To: <200508291449.15427.doconnor@gsoft.com.au>
User-Agent: Mutt/1.5.6i
Cc: freebsd-net@FreeBSD.org, Julian Elischer <julian@elischer.org>
Subject: Re: AltQ + ng_iface
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, 29 Aug 2005 06:40:50 -0000

On Mon, Aug 29, 2005 at 02:49:14PM +0930, Daniel O'Connor wrote:
D> On Sunday 31 July 2005 22:53, Daniel O'Connor wrote:
D> > > The calling code must always have a reference on the node to ensure that
D> > > it is not removed while it is running in it. This is sometimes
D> > > done automatically. This is why there is an ng_callout facility to ensure
D> > > that the locking andreferences are done automatically and correctly.
D> >
D> > OK, I'll look into that.
D> 
D> I see ng_eiface uses ng_send_fn to defer processing until netgraph locking 
D> allows - should I use it?
D> (I'll try it later but a definitive answer would be nice :)

  If you have put smth into ng_iface_start(), then you should do this
stuff via ng_send_fn().

Sorry, that I haven't yet feedbacked on your patches. I'll probably look
at them after 6.0-RELEASE.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE