netdev - Re: [PATCH v2] tcp: split tcp_ecn sysctl knob to distinguish between IPv4 and IPv6

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Message-Id: <20130103.045350.1322196416782379673.davem@davemloft.net>
Date:	Thu, 03 Jan 2013 04:53:50 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v2] tcp: split tcp_ecn sysctl knob to distinguish
 between IPv4 and IPv6

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Thu, 3 Jan 2013 13:28:44 +0100

> On Thu, Jan 03, 2013 at 01:00:09AM +0100, Hannes Frederic Sowa wrote:
>> ECN could be more reliable when used with IPv6 (I don't have proofs). For
>> people who want to try ECN with IPv6 but still have problems connecting
>> to destinations because of broken IPv4 routers this switch allows one
>> to enable ECN just for IPv6.
>> 
>> Perhaps ECN could be enabled by default in future.
>> 
>> No code changes since initial submission, just added documentation.
> 
> May I ask what lead to the rejection of the patch?

I don't see any value in splitting up ipv4 and ipv6.

I think we should turn the existing knob on unliaterally
by default.  That would be a much better patch.
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