From: David Miller <davem@davemloft.net>
To: weiwan@google.com
Cc: netdev@vger.kernel.org, ycheng@google.com, ncardwell@google.com,
edumazet@google.com
Subject: Re: [PATCH net] tcp: make congestion control optionally skip slow start after idle
Date: Mon, 08 May 2017 14:37:59 -0400 (EDT) [thread overview]
Message-ID: <20170508.143759.420967359752096993.davem@davemloft.net> (raw)
In-Reply-To: <20170505195323.124792-1-tracywwnj@gmail.com>
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.
prev parent reply other threads:[~2017-05-08 18:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-05 19:53 [PATCH net] tcp: make congestion control optionally skip slow start after idle Wei Wang
2017-05-08 18:37 ` David Miller [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170508.143759.420967359752096993.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=ncardwell@google.com \
--cc=netdev@vger.kernel.org \
--cc=weiwan@google.com \
--cc=ycheng@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox