From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH v2] tcp: split tcp_ecn sysctl knob to distinguish
 between IPv4 and IPv6
Date: Thu, 03 Jan 2013 05:13:27 -0800
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To: Hannes Frederic Sowa <hannes@stressinduktion.org>
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On Thu, 2013-01-03 at 13:57 +0100, Hannes Frederic Sowa wrote:

> Currently not, but I will try. :)
> 
> Is the direction to split the sysctl ok? Or should it be a unified sysctl for
> ipv4/ipv6 and only be separate per namespace?
> 

I fixed some ECN glitches in IPv6 in the past, I am not sure we can
assume IPv6 gear is ECN bug free. In fact it might be the opposite.

So adding a per net sysctl would allow a better tuning for experiments,
and allow some applications to use a private netns and change their
sysctl.