From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: TCP-MD5 checksum failure on x86_64 SMP Date: Fri, 07 May 2010 10:55:09 +0200 Message-ID: <1273222509.2261.27.camel@edumazet-laptop> References: <1272972722.2097.1.camel@achroite.uk.solarflarecom.com> <20100504091215.5a4a51f4@nehalam> <20100504101301.5f4dd9c2@nehalam> <1273085598.2367.233.camel@edumazet-laptop> <1273147586.2357.63.camel@edumazet-laptop> <70125082-4A0B-4E54-A7F6-B6CDC0375E78@nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Bhaskar Dutta , Stephen Hemminger , Ben Hutchings , "netdev@vger.kernel.org" To: Lars Eggert Return-path: Received: from mail-bw0-f219.google.com ([209.85.218.219]:60700 "EHLO mail-bw0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754351Ab0EGIzN (ORCPT ); Fri, 7 May 2010 04:55:13 -0400 Received: by bwz19 with SMTP id 19so439428bwz.21 for ; Fri, 07 May 2010 01:55:11 -0700 (PDT) In-Reply-To: <70125082-4A0B-4E54-A7F6-B6CDC0375E78@nokia.com> Sender: netdev-owner@vger.kernel.org List-ID: Le vendredi 07 mai 2010 =C3=A0 11:46 +0300, Lars Eggert a =C3=A9crit : > On 2010-5-6, at 15:06, Eric Dumazet wrote: > > This code should be completely rewritten for linux-2.6.35, its very= ugly > > and over complex, yet it is not scalable. >=20 > Let me quickly point out that the IETF has recently replaced TCP-MD5 = with TCP-AO (http://tools.ietf.org/html/draft-ietf-tcpm-tcp-auth-opt-11= ) which is days or weeks away from being published as an RFC. (The draf= t has been approved and it waiting for the RFC Editor to finish the fin= al copy-editing.) >=20 > You'll obviously still want TCP-MD5 support for talking to existing e= quipment, but significant cycles would IMO be better spent on TCP-AO. >=20 Thanks for this info !