From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [RFC] ipv6: dst_allfrag() not taken into account by TCP Date: Wed, 18 Jan 2012 16:40:53 +0100 Message-ID: <1326901253.2316.25.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> References: <1326817699.2259.32.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <4F15D417.4050005@fud.no> <1326831948.2606.2.camel@edumazet-laptop> <00f1ef555b452980aae95eb3028072f8@localhost> <1326895569.2316.14.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <9903c7bcb83314b495e7378dae23e703@localhost> <1326898746.2316.19.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <184325098dff696295968e09accafa9d@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev To: Tore Anderson Return-path: Received: from mail-we0-f174.google.com ([74.125.82.174]:43296 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755445Ab2ARPk4 (ORCPT ); Wed, 18 Jan 2012 10:40:56 -0500 Received: by werb13 with SMTP id b13so460001wer.19 for ; Wed, 18 Jan 2012 07:40:55 -0800 (PST) In-Reply-To: <184325098dff696295968e09accafa9d@localhost> Sender: netdev-owner@vger.kernel.org List-ID: Le mercredi 18 janvier 2012 =C3=A0 16:14 +0100, Tore Anderson a =C3=A9c= rit : > No problem. Bottom line, I'd like a "min_pmtu" IPv6 sysctl or somethi= ng > similar that would allow me to configure it so that the kernel would=20 > accept an arbitrary low PMTU being received in an ICMPv6 PTB. That=20 > would prevent having to deal with the Fragmentation headers completel= y. I agree, but first lets fix the bugs ;) Once the allfrag feature works again, we can try to avoid it.