netdev - Re: [PATCH net-next v3 2/2] tcp: allow to turn tcp timestamp randomization off

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Message-Id: <20161202.125018.259538176046774417.davem@davemloft.net>
Date:   Fri, 02 Dec 2016 12:50:18 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     fw@...len.de
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next v3 2/2] tcp: allow to turn tcp timestamp
 randomization off

From: Florian Westphal <fw@...len.de>
Date: Thu,  1 Dec 2016 11:32:07 +0100

> 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>
> Acked-by: Yuchung Cheng <ycheng@...gle.com>

Applied.