netdev - Re: [PATCH net-next 2/2] tcp: allow to turn tcp timestamp randomization off

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Message-ID: <20161130002111.GB6454@breakpoint.cc>
Date:   Wed, 30 Nov 2016 01:21:11 +0100
From:   Florian Westphal <fw@...len.de>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     Florian Westphal <fw@...len.de>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/2] tcp: allow to turn tcp timestamp
 randomization off

Eric Dumazet <eric.dumazet@...il.com> 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 <edumazet@...gle.com>
> > Signed-off-by: Florian Westphal <fw@...len.de>
> > ---
> 
> Excellent, thanks !
> 
> Acked-by: Eric Dumazet <edumazet@...gle.com>

Thanks for the ack, I missed connect() side though so this doesn't work
for outgoing connections, sorry :-/

I will send a v2.