From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: is non-inheritance of congestion control algorithm from the
 listen socket a bug or a feature?
Date: Tue, 29 Nov 2011 22:46:15 +0100
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Cc: Rick Jones <rick.jones2@hp.com>, netdev@vger.kernel.org
To: Yuchung Cheng <ycheng@google.com>
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Le mardi 29 novembre 2011 =C3=A0 13:20 -0800, Yuchung Cheng a =C3=A9cri=
t :
> I actually think it's a feature :)
>=20
> I find it awkward to set CC on listening socket. And current document
> defines the sysctl well
>=20
> tcp_congestion_control - STRING
>         Set the congestion control algorithm to be used for new
>         connections. The algorithm "reno" is always available, but
>         additional choices may be available based on kernel configura=
tion.
>         Default is set as part of kernel configuration.

This might be a feature, but contradicts most socket options set on
listener and inherited by a child socket on accept()

tcp_congestion_control should be system wide default.

Anyway, "man 7 tcp" doesnt document TCP_CONGESTION, so we are not
supposed to play with it ;)

Oh well...