netdev - Re: [net-next] tcp: do tcp_mstamp_refresh before retransmits on TSQ handler

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Message-ID: <1508733418.2898.8.camel@klaipeden.com>
Date:   Mon, 23 Oct 2017 13:36:58 +0900
From:   Koichiro Den <den@...ipeden.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, ncardwell@...gle.com
Subject: Re: [net-next] tcp: do tcp_mstamp_refresh before retransmits on TSQ
 handler

On Sun, 2017-10-22 at 21:31 -0700, Eric Dumazet wrote:
> On Mon, 2017-10-23 at 13:28 +0900, Koichiro Den wrote:
> 
> > Indeed, meaning that tcp_clean_rtx_queue implementation never takes.
> > But for me it seems that there is some possibility RACK algorithm will take
> > it.
> 
> As long as tp->tcp_mstamp is monotonically increasing (and it is ;) ),
> RACK will behave properly.
> 
> I am not sure we need to discuss this forever frankly ;)
>  
> 
> 
Yeah, sure, thanks for your time and helpful comments.