From owner-freebsd-current@FreeBSD.ORG  Wed Jul 16 07:27:35 2008
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id A886E106566B
	for <freebsd-current@FreeBSD.org>; Wed, 16 Jul 2008 07:27:35 +0000 (UTC)
	(envelope-from dimitry@andric.com)
Received: from tensor.andric.com (cl-327.ede-01.nl.sixxs.net
	[IPv6:2001:7b8:2ff:146::2])
	by mx1.freebsd.org (Postfix) with ESMTP id 6EFC58FC14
	for <freebsd-current@FreeBSD.org>; Wed, 16 Jul 2008 07:27:35 +0000 (UTC)
	(envelope-from dimitry@andric.com)
Received: from [IPv6:2001:7b8:3a7:0:4889:afda:a548:e04] (unknown
	[IPv6:2001:7b8:3a7:0:4889:afda:a548:e04])
	(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
	(No client certificate requested)
	by tensor.andric.com (Postfix) with ESMTPSA id 9606D3F;
	Wed, 16 Jul 2008 09:27:33 +0200 (CEST)
Message-ID: <487DA2E5.3080201@andric.com>
Date: Wed, 16 Jul 2008 09:27:33 +0200
From: Dimitry Andric <dimitry@andric.com>
User-Agent: Thunderbird 2.0.0.17pre (Windows/20080712)
MIME-Version: 1.0
To: pyunyh@gmail.com
References: <484BC9FB.2040605@andric.com>
	<20080609012657.GD12521@cdnetworks.co.kr>
	<484D215A.7050700@andric.com>
	<20080609123206.GF12521@cdnetworks.co.kr>
	<484D25CC.9050106@andric.com>
	<20080610050550.GB17874@cdnetworks.co.kr>
	<484E9377.2050609@andric.com>
	<20080611005814.GA3529@cdnetworks.co.kr>
	<48666CD7.9020706@andric.com>
	<20080630043156.GB79537@cdnetworks.co.kr>
	<20080714013519.GE36245@cdnetworks.co.kr>
In-Reply-To: <20080714013519.GE36245@cdnetworks.co.kr>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Cc: freebsd-current@FreeBSD.org
Subject: Re: Call for testers: re(4) and
	RTL8168C/RTL8168CP/RTL8111C/RTL8111CP
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 16 Jul 2008 07:27:35 -0000

On 2008-07-14 03:35, Pyun YongHyeon wrote:
> Here is patch for re(4) link handling.
> Copy if_re.c and if_rlreg.h from HEAD to RELENG_7 and apply
> attached one. If you still see watchdog timeouts, please turn off
> TSO and let me know how it goes.

I've tested this trough several reboots, and I haven't been bitten by
any watchdogs yet. :)  I'll run some stress tests today, to see if it
handles that too.


> One user reported TSO issues on 8169 family controllers but I
> can't reproduce this on my 8169 hardware so it could be related
> with silicon bug of sepecific revision of the hardware.

I'm using re's default settings, which seem to be:

re0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=399b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_UCAST,WOL_MCAST,WOL_MAGIC>

So TSO for IPv4 but not IPv6, right?  I haven't yet seen any problems
because of it.  What would be a good way to "exercise" TSO?