From owner-freebsd-net@FreeBSD.ORG  Fri Aug 31 10:31:18 2007
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6374616A41B
	for <freebsd-net@freebsd.org>; Fri, 31 Aug 2007 10:31:18 +0000 (UTC)
	(envelope-from tom@tomjudge.com)
Received: from s200aog14.obsmtp.com (s200aog14.obsmtp.com [207.126.144.128])
	by mx1.freebsd.org (Postfix) with SMTP id 8AC2E13C4A6
	for <freebsd-net@freebsd.org>; Fri, 31 Aug 2007 10:31:17 +0000 (UTC)
	(envelope-from tom@tomjudge.com)
Received: from source ([217.206.187.80]) by eu1sys200aob014.postini.com
	([207.126.147.11]) with SMTP; Fri, 31 Aug 2007 10:27:37 UTC
Received: from [10.0.0.89] (bill.mintel.co.uk [10.0.0.89])
	by rodney.mintel.co.uk (Postfix) with ESMTP id AE0A518141C;
	Fri, 31 Aug 2007 10:51:52 +0100 (BST)
Message-ID: <46D7E4B8.4030609@tomjudge.com>
Date: Fri, 31 Aug 2007 10:51:52 +0100
From: Tom Judge <tom@tomjudge.com>
User-Agent: Thunderbird 1.5.0.12 (X11/20070604)
MIME-Version: 1.0
To: Jack Vogel <jfvogel@gmail.com>
References: <2a41acea0708301622j6b4eeab9h62576dcfd1325b0a@mail.gmail.com>
In-Reply-To: <2a41acea0708301622j6b4eeab9h62576dcfd1325b0a@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>,
	Andre Oppermann <andre@freebsd.org>, John Baldwin <jhb@yahoo-inc.com>
Subject: Re: vlan filtering
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: Fri, 31 Aug 2007 10:31:18 -0000

Jack Vogel wrote:
> I was just working on a bug in the Oplin driver that had me look
> a bit more at VLAN code than I had previously.
> 
> FreeBSD has apparently never used the hardware vlan filtering
> that our hardware can do, is there a systemic reason for this,
> or has the code lagged in its use of the system?
> 
> I at least don't understand how the driver is supposed to get
> the vlan id to set in the filter, am I just unenlightened? :)
> 
> If this is doable I can add code into em as well as ixgbe.
> 
> Jack

This isn't really directly related but could be important for some 
users.  If you where to use this would the card handle Q in Q properly 
with the filter on or would there have to be some form of administrative 
option to turn the hardware filter on/off?

Tom