From owner-freebsd-current@FreeBSD.ORG  Mon Apr  8 06:36:01 2013
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115])
 by hub.freebsd.org (Postfix) with ESMTP id 8A2E28BE
 for <freebsd-current@freebsd.org>; Mon,  8 Apr 2013 06:36:01 +0000 (UTC)
 (envelope-from pyunyh@gmail.com)
Received: from mail-pd0-f175.google.com (mail-pd0-f175.google.com
 [209.85.192.175]) by mx1.freebsd.org (Postfix) with ESMTP id 66D3833F
 for <freebsd-current@freebsd.org>; Mon,  8 Apr 2013 06:36:01 +0000 (UTC)
Received: by mail-pd0-f175.google.com with SMTP id g10so2840405pdj.6
 for <freebsd-current@freebsd.org>; Sun, 07 Apr 2013 23:35:55 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=x-received:from:date:to:cc:subject:message-id:reply-to:references
 :mime-version:content-type:content-disposition:in-reply-to
 :user-agent; bh=N+5l1D93VwKNyVBloYBEw0hyCVLA6hOrNLAl7NsDL3w=;
 b=CHOJoJSV9c/uMDiQrP+z1oknCHtkbqowAfEsi/ALK8HCnW0a+QDj4p7Wy5SZMeJv+u
 v3R/yA2JPIjvAiA4Bw9S8sIKEciZgVPTbjyRmLLdTA4Ziv+VG70H764AenV2REW1Wwfo
 pMS3w3HktSPBg297yoO2dbMKXRrQuixTEKdcxcIq8KG5c3Q7fEWuNf1qc84TXw4GDpLc
 MzCLZQx9O0en0rj6uakDW+fLF3GFas4SrgE4EDkEgs2ey7iIAVP2QqVuD7UUa+apgOOM
 Ko8+zYk+0b2n+/ohYjiBaEGH11usYJxdAuG8DFixXUOtYmwvLqJatqn6Vjy7dnjJNxGc
 9enQ==
X-Received: by 10.66.164.6 with SMTP id ym6mr34463773pab.92.1365402955387;
 Sun, 07 Apr 2013 23:35:55 -0700 (PDT)
Received: from pyunyh@gmail.com (lpe4.p59-icn.cdngp.net. [114.111.62.249])
 by mx.google.com with ESMTPS id pa2sm35852666pac.9.2013.04.07.23.35.52
 (version=TLSv1 cipher=RC4-SHA bits=128/128);
 Sun, 07 Apr 2013 23:35:54 -0700 (PDT)
Received: by pyunyh@gmail.com (sSMTP sendmail emulation);
 Mon, 08 Apr 2013 15:35:48 +0900
From: YongHyeon PYUN <pyunyh@gmail.com>
Date: Mon, 8 Apr 2013 15:35:48 +0900
To: Spil Oss <spil.oss@gmail.com>
Subject: Re: Problems with axe(4) and checksum offloading
Message-ID: <20130408063548.GB1526@michelle.cdnetworks.com>
References: <CAEJyAvM+8yKRgGwxoJrMnafTy+3dqAc=cFVvruXk9-aONgEGEQ@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CAEJyAvM+8yKRgGwxoJrMnafTy+3dqAc=cFVvruXk9-aONgEGEQ@mail.gmail.com>
User-Agent: Mutt/1.4.2.3i
Cc: current <freebsd-current@freebsd.org>
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
Reply-To: pyunyh@gmail.com
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/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: Mon, 08 Apr 2013 06:36:01 -0000

On Sun, Apr 07, 2013 at 09:14:16PM +0200, Spil Oss wrote:
> Hi all,
> 
> With checksum offloading enabled I cannot use my axe NIC (ASIX AX88772B).
> 
> ifconfig ue0 -txcsum -rxcsum
> will make dhclient ue0 return
> 
> if I re-enable txcsum and rxcsum I get an immediate response from the dhcp
> server.
> 
> Tried to remove the csum features by commenting out
> ifp->if_capabilities |= IFCAP_TXCSUM | IFCAP_RXCSUM;
> ifp->if_hwassist = AXE_CSUM_FEATURES;
> (lines 855 and 856 in /usr/src/sys/dev/usb/net/if_axe.c)
> and rebuild the module. This does remove RXCSUM and TXCSUM from options and
> behaves the same as disabling the features with ifconfig (i.e. does not
> work)
> 
> 10.0-CURRENT r248351
> 
> Hope someone can help me... Spil.

Last time I tried, checksum offloading worked as expected.
Would you show me the verbose dmesg output after attaching the
axe(4) NIC?