From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] tcp: make congestion control optionally skip slow
 start after idle
Date: Mon, 08 May 2017 14:37:59 -0400 (EDT)
Message-ID: <20170508.143759.420967359752096993.davem@davemloft.net>
References: <20170505195323.124792-1-tracywwnj@gmail.com>
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To: weiwan@google.com
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From: Wei Wang <weiwan@google.com>
Date: Fri,  5 May 2017 12:53:23 -0700

> From: Wei Wang <weiwan@google.com>
> 
> Congestion control modules that want full control over congestion
> control behavior do not want the cwnd modifications controlled by
> the sysctl_tcp_slow_start_after_idle code path.
> So skip those code paths for CC modules that use the cong_control()
> API.
> As an example, those cwnd effects are not desired for the BBR congestion
> control algorithm.
> 
> Fixes: c0402760f565 ("tcp: new CC hook to set sending rate with rate_sample in any CA state")
> Signed-off-by: Wei Wang <weiwan@google.com>
> Signed-off-by: Yuchung Cheng <ycheng@google.com>
> Signed-off-by: Neal Cardwell <ncardwell@google.com>

Applied and queued up for -stable, thanks.