From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steffen Klassert Subject: Re: [PATCH 2/4] ipv4: Update pmtu informations on inetpeer only for output routes Date: Wed, 9 Nov 2011 13:11:20 +0100 Message-ID: <20111109121120.GB10138@secunet.com> References: <20111011110842.GC1830@secunet.com> <20111011111027.GE1830@secunet.com> <20111012.170805.2172804476308993385.davem@davemloft.net> <20111108.143630.106539981030509701.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: David Miller Return-path: Received: from a.mx.secunet.com ([195.81.216.161]:39147 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751150Ab1KIMLY (ORCPT ); Wed, 9 Nov 2011 07:11:24 -0500 Content-Disposition: inline In-Reply-To: <20111108.143630.106539981030509701.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, Nov 08, 2011 at 02:36:30PM -0500, David Miller wrote: > > What I think you can do to solve this problem is explicitly use > dst->ops->default_mtu() in ip_forward() instead of dst_mtu(). > > That way you won't use the cached PMTU for input routes. Yes, I already had something like that in mind. I'll do a patch to fix it in this manner.