From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: Re: Fw: [Bugme-new] [Bug 6495] New: Vlan MTU Fragmentation Date: Sat, 06 May 2006 10:20:01 -0700 Message-ID: <445CDAC1.2010209@candelatech.com> References: <20060504235628.33041b55.akpm@osdl.org> <445B75D2.6080702@candelatech.com> <20060505193903.249feaf8.akpm@osdl.org> <445C2872.5060208@candelatech.com> <20060505231759.5ad77e95.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, bugme-daemon@bugzilla.kernel.org, slavon@bigtelecom.ru Return-path: Received: from ns2.lanforge.com ([66.165.47.211]:2788 "EHLO ns2.lanforge.com") by vger.kernel.org with ESMTP id S1750916AbWEFRUK (ORCPT ); Sat, 6 May 2006 13:20:10 -0400 To: Andrew Morton In-Reply-To: <20060505231759.5ad77e95.akpm@osdl.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Andrew Morton wrote: > I guess I can type simple commands and add printks. Do you have time to > take a look at the driver and suggest what I should be looking for? I can only offer vague hints: TX usually works, but RX often has isues. There is usually a bit or two that needs setting to enable the larger than MTU pkt RX. It seems some older chipsets had issues with doing checksum offload for VLAN packets, so could try disabling the UDP/TCP checksum logic and see if that helps. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com