From owner-freebsd-net@FreeBSD.ORG  Mon Mar 19 16:03:13 2007
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
X-Original-To: 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 DBB0F16A401
	for <net@freebsd.org>; Mon, 19 Mar 2007 16:03:13 +0000 (UTC)
	(envelope-from eugen@www.svzserv.kemerovo.su)
Received: from www.svzserv.kemerovo.su (www.svzserv.kemerovo.su
	[213.184.65.80])
	by mx1.freebsd.org (Postfix) with ESMTP id 1671313C45D
	for <net@freebsd.org>; Mon, 19 Mar 2007 16:03:12 +0000 (UTC)
	(envelope-from eugen@www.svzserv.kemerovo.su)
Received: from www.svzserv.kemerovo.su (eugen@localhost [127.0.0.1])
	by www.svzserv.kemerovo.su (8.13.8/8.13.8) with ESMTP id l2JFSbIJ004426;
	Mon, 19 Mar 2007 22:28:37 +0700 (KRAT)
	(envelope-from eugen@www.svzserv.kemerovo.su)
Received: (from eugen@localhost)
	by www.svzserv.kemerovo.su (8.13.8/8.13.8/Submit) id l2JFSbnT004425;
	Mon, 19 Mar 2007 22:28:37 +0700 (KRAT) (envelope-from eugen)
Date: Mon, 19 Mar 2007 22:28:37 +0700
From: Eugene Grosbein <eugen@kuzbass.ru>
To: Bruce M Simpson <bms@incunabulum.net>
Message-ID: <20070319152837.GA3984@svzserv.kemerovo.su>
References: <45FE9E24.8010201@incunabulum.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <45FE9E24.8010201@incunabulum.net>
User-Agent: Mutt/1.4.2.1i
Cc: net@freebsd.org
Subject: Re: Interface index hack in IP_ADD_MEMBERSHIP
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 16:03:14 -0000

On Mon, Mar 19, 2007 at 02:28:52PM +0000, Bruce M Simpson wrote:

> I plan to get rid of the ugly little ip_multicast_if() hack in the IP 
> stack.=
> Before I do, is anyone actually using this?
> 
> RFC 3678 specifies a protocol independent API for socket group 
> memberships which allow joins on interfaces referenced by index. This is 
> intended to support IGMPv3 and MLDv2.

I recall that routed and ripd used to utilize something similar
long time ago. I'm not sure if they have switched to another API.

Eugene