From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Westphal Subject: Re: [PATCH net-next 2/2] tcp: allow to turn tcp timestamp randomization off Date: Wed, 30 Nov 2016 01:21:11 +0100 Message-ID: <20161130002111.GB6454@breakpoint.cc> References: <1480434342-12367-1-git-send-email-fw@strlen.de> <1480434342-12367-2-git-send-email-fw@strlen.de> <1480442832.18162.148.camel@edumazet-glaptop3.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Florian Westphal , netdev@vger.kernel.org To: Eric Dumazet Return-path: Received: from Chamillionaire.breakpoint.cc ([146.0.238.67]:44680 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753895AbcK3AYJ (ORCPT ); Tue, 29 Nov 2016 19:24:09 -0500 Content-Disposition: inline In-Reply-To: <1480442832.18162.148.camel@edumazet-glaptop3.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: Eric Dumazet wrote: > On Tue, 2016-11-29 at 16:45 +0100, Florian Westphal wrote: > > Eric says: "By looking at tcpdump, and TS val of xmit packets of multiple > > flows, we can deduct the relative qdisc delays (think of fq pacing). > > This should work even if we have one flow per remote peer." > > > > Having random per flow (or host) offsets doesn't allow that anymore so add > > a way to turn this off. > > > > Suggested-by: Eric Dumazet > > Signed-off-by: Florian Westphal > > --- > > Excellent, thanks ! > > Acked-by: Eric Dumazet Thanks for the ack, I missed connect() side though so this doesn't work for outgoing connections, sorry :-/ I will send a v2.