netdev - Re: [PATCH net 0/3] TCP BBR sampling fixes for loss recovery undo

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Message-Id: <20171207.130735.1272656256907613869.davem@davemloft.net>
Date:   Thu, 07 Dec 2017 13:07:35 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     ncardwell@...gle.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net 0/3] TCP BBR sampling fixes for loss recovery undo

From: Neal Cardwell <ncardwell@...gle.com>
Date: Thu, 7 Dec 2017 12:48:40 -0500

> On Thu, Dec 7, 2017 at 12:43 PM, Neal Cardwell <ncardwell@...gle.com> wrote:
>> This patch series has a few minor bug fixes for cases where spurious
>> loss recoveries can trick BBR estimators into estimating that the
>> available bandwidth is much lower than the true available bandwidth.
>> In both cases the fix here is to just reset the estimator upon loss
>> recovery undo.
>>
>> Neal Cardwell (3):
>>   tcp_bbr: record "full bw reached" decision in new full_bw_reached bit
>>   tcp_bbr: reset full pipe detection on loss recovery undo
>>   tcp_bbr: reset long-term bandwidth sampling on loss recovery undo
>>
>>  net/ipv4/tcp_bbr.c | 12 ++++++++++--
>>  1 file changed, 10 insertions(+), 2 deletions(-)
> 
> Sorry, I should have mentioned these patches are all stable candidates
> and should have all carried a footer of:
> 
>   Fixes: 0f8782ea1497 ("tcp_bbr: add BBR congestion control")
> 
> David, I can resend a v2 with that footer on each patch if you want.

It is not necessary to resend.

Thanks.