From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Westphal Subject: Re: Bad checksum on bridge with IP options Date: Mon, 12 May 2014 15:51:41 +0200 Message-ID: <20140512135141.GA13945@breakpoint.cc> References: <536F8C0F.4090206@davidnewall.com> <5370CB47.4010400@davidnewall.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Netdev To: David Newall Return-path: Received: from Chamillionaire.breakpoint.cc ([80.244.247.6]:55228 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750986AbaELNvp (ORCPT ); Mon, 12 May 2014 09:51:45 -0400 Content-Disposition: inline In-Reply-To: <5370CB47.4010400@davidnewall.com> Sender: netdev-owner@vger.kernel.org List-ID: David Newall wrote: > I've got a patch which fixes the faulty checksums, and now ping > works with RR or TS set. I'm not quite sure, though, that it fixes > the right thing. I wonder if the problem is less that the checksum > becomes wrong, and more that the route and timestamps ought not to > be changed by the bridge interface. Agree, bridge should not alter ip options.