netdev - Re: [PATCH net-next 2/2] net-tcp_bbr: set tp->snd

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Message-ID: <9dfdbb3e-e4a0-6e80-f4db-d653c41a4c6b@gmail.com>
Date:   Fri, 16 Mar 2018 13:02:11 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Yousuk Seung <ysseung@...gle.com>,
        David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Neal Cardwell <ncardwell@...gle.com>,
        Priyaranjan Jha <priyarjha@...gle.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Yuchung Cheng <ycheng@...gle.com>
Subject: Re: [PATCH net-next 2/2] net-tcp_bbr: set tp->snd_ssthresh to BDP
 upon STARTUP exit



On 03/16/2018 10:51 AM, Yousuk Seung wrote:
> Set tp->snd_ssthresh to BDP upon STARTUP exit. This allows us
> to check if a BBR flow exited STARTUP and the BDP at the
> time of STARTUP exit with SCM_TIMESTAMPING_OPT_STATS. Since BBR does not
> use snd_ssthresh this fix has no impact on BBR's behavior.


Reviewed-by: Eric Dumazet <edumazet@...gle.com>