From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: change the way e1000 is handling short VLAN frames Date: Fri, 21 Sep 2007 17:12:40 -0400 Message-ID: <1190409160.4231.29.camel@localhost> References: <1190359905.3551.28.camel@magi.nadr> <1190375946.4261.42.camel@localhost> <1190379015.3551.57.camel@magi.nadr> <1190381841.4231.10.camel@localhost> <1190382366.4231.13.camel@localhost> <46F3E695.7010604@candelatech.com> Reply-To: hadi@cyberus.ca Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Emil Micek , "auke-jan.h.kok@intel.com" , netdev mailing list , Jesse To: Ben Greear Return-path: Received: from wx-out-0506.google.com ([66.249.82.239]:52292 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755238AbXIUVMn (ORCPT ); Fri, 21 Sep 2007 17:12:43 -0400 Received: by wx-out-0506.google.com with SMTP id h31so763864wxd for ; Fri, 21 Sep 2007 14:12:43 -0700 (PDT) In-Reply-To: <46F3E695.7010604@candelatech.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, 2007-21-09 at 08:43 -0700, Ben Greear wrote: > I just re-read the spec, and a bridge *may* pad up to 68, but it is not > required. > On page 166, it says equipment must be able to handle 64 byte minimums. > > See page 22 (section 7.2) of this document: > > http://standards.ieee.org/getieee802/download/802.1Q-1998.pdf > > Also, page 63, 165, 166 Thanks for the enlightnment. Do we need an ethtool interface to turn off hardware accelerated vlans? Jesse is indicating that the intel hardware can only handle the MUST but not the SHOULD of the spec. Actually a more basic question: Can you select one or the other mode in the software based vlans? cheers, jamal