From owner-freebsd-net@FreeBSD.ORG  Mon Jan  4 23:13:31 2010
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 9402E106566B
	for <freebsd-net@freebsd.org>; Mon,  4 Jan 2010 23:13:31 +0000 (UTC)
	(envelope-from pyunyh@gmail.com)
Received: from mail-qy0-f176.google.com (mail-qy0-f176.google.com
	[209.85.221.176])
	by mx1.freebsd.org (Postfix) with ESMTP id 462418FC18
	for <freebsd-net@freebsd.org>; Mon,  4 Jan 2010 23:13:31 +0000 (UTC)
Received: by qyk6 with SMTP id 6so6617995qyk.3
	for <freebsd-net@freebsd.org>; Mon, 04 Jan 2010 15:13:27 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=domainkey-signature:received:received:received:from:date:to:cc
	:subject:message-id:reply-to:references:mime-version:content-type
	:content-disposition:in-reply-to:user-agent;
	bh=bTZoAKz76Ndjy8v1obJpYe08h5NfU4vXwelfNtOJcZg=;
	b=XPSYaBl8wZUlxS7kLfnwNuaP4S5TSTvZ4WiDCX7LBFIv8J1JRgU230nEnqTHl5u1eS
	YnxlC6CsLTTiCeMdDgKOXfpP5vv9gRNMvDJYSC8eQopQWa0hKyB0cJ1OdGlYS65A++C1
	PaCoS31Oua2KPElHONsLVmAEx8Jx1dgN+JjCM=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma;
	h=from:date:to:cc:subject:message-id:reply-to:references:mime-version
	:content-type:content-disposition:in-reply-to:user-agent;
	b=k0tJv1tcsNRBH+ni6i4Q1r0wG5IkRjwDYH/iffvhyA+Bo7S/1Tk/JSlUJbzaZzFEeD
	HBtBInXZslATSpEN4cT9XvEEB/8BMXLMbQywspQQGXEAAEz5x2UV8zmocN9MQpq9oR7K
	p4/j1ynWs4LYbi0HxQyRytO4EABi7REQ/CnGg=
Received: by 10.224.70.133 with SMTP id d5mr11564431qaj.211.1262646807622;
	Mon, 04 Jan 2010 15:13:27 -0800 (PST)
Received: from pyunyh@gmail.com ([174.35.1.224])
	by mx.google.com with ESMTPS id 20sm16766864qyk.9.2010.01.04.15.13.21
	(version=TLSv1/SSLv3 cipher=RC4-MD5);
	Mon, 04 Jan 2010 15:13:24 -0800 (PST)
Received: by pyunyh@gmail.com (sSMTP sendmail emulation);
	Mon,  4 Jan 2010 15:12:16 -0800
From: Pyun YongHyeon <pyunyh@gmail.com>
Date: Mon, 4 Jan 2010 15:12:16 -0800
To: "Prokofiev S.P." <proks@skylinetele.com>
Message-ID: <20100104231216.GD1246@michelle.cdnetworks.com>
References: <200912302030.nBUKU5eA012796@freefall.freebsd.org>
	<4B420991.5070809@skylinetele.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <4B420991.5070809@skylinetele.com>
User-Agent: Mutt/1.4.2.3i
Cc: freebsd-net@freebsd.org
Subject: Re: kern/141843: [em] [vlan] Intel txcsum and assigned vlan invoke
	wrong dst MAC in TCP packets
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: pyunyh@gmail.com
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, 04 Jan 2010 23:13:31 -0000

On Mon, Jan 04, 2010 at 05:30:25PM +0200, Prokofiev S.P. wrote:
> Thanks Pyun YongHyeon!
> I apply patch em.csum_tso.20091230.patch and rebuild/reinstall kernel 
> and have received successful result for tcp and udp connections (test by 
> iperf).

Thanks for testing.

> But the  hangs down/up nic bug do not disappear (kern/141285 without 
> connection problems after your patch). Please pay attention to this problem.
> 

The patch was not intended to fix kern/141285.
Sorry I'm somewhat busy to address other driver issues. Maybe Jack
can look into that as well as fixing checksum offload issues.