From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: VLAN test cases in 2.6.38.7 Date: Tue, 24 May 2011 12:08:38 -0700 Message-ID: <4DDC0236.4090800@candelatech.com> References: <4DDBFDD6.4060903@candelatech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: netdev Return-path: Received: from mail.candelatech.com ([208.74.158.172]:35125 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756134Ab1EXTIl (ORCPT ); Tue, 24 May 2011 15:08:41 -0400 Received: from [192.168.100.195] (firewall.candelatech.com [70.89.124.249]) (authenticated bits=0) by ns3.lanforge.com (8.14.2/8.14.2) with ESMTP id p4OJ8clM004157 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 24 May 2011 12:08:39 -0700 In-Reply-To: <4DDBFDD6.4060903@candelatech.com> Sender: netdev-owner@vger.kernel.org List-ID: On 05/24/2011 11:49 AM, Ben Greear wrote: > > I wrote a simple bridge that uses packet sockets to read/write > from network devices. I'll upload this code somewhere when > I get it a bit more presentable. > > Machine info: > > Linux lf0300-demo 2.6.38.7+ #14 SMP Mon May 23 10:31:45 PDT 2011 i686 > i686 i386 GNU/Linux > > Interface A: eth1 > driver: igb > version: 3.0.19 > firmware-version: 1.2-1 > bus-info: 0000:01:00.0 > > Interface B: eth3: > driver: igb > version: 3.0.19 > firmware-version: 1.2-1 > bus-info: 0000:01:00.1 > > > If no vlans are on eth1 and eth3, then it bridges fine, with vlan > headers inline. But, if you add a VLAN to eth1, it stops working, > probably because pkt tag is then un-stripped. I was generating on > vlan 7, and created vlan 9, btw. > > I'll see if I can figure out how to use aux-data next... Why does the aux-data mask out the CFI bit? Shouldn't we just pass the 16-bit VLAN tag un-modified to user-space? Thanks, Ben > > Thanks, > Ben > -- Ben Greear Candela Technologies Inc http://www.candelatech.com