netdev - Re: [PATCH net-next 0/2] mptcp: add receive buffer auto-tuning

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Message-Id: <20200701.174811.1709600582793325645.davem@davemloft.net>
Date:   Wed, 01 Jul 2020 17:48:11 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     fw@...len.de
Cc:     netdev@...r.kernel.org, mptcp@...ts.01.org
Subject: Re: [PATCH net-next 0/2] mptcp: add receive buffer auto-tuning

From: Florian Westphal <fw@...len.de>
Date: Tue, 30 Jun 2020 21:24:43 +0200

> First patch extends the test script to allow for reproducible results.
> Second patch adds receive auto-tuning.  Its based on what TCP is doing,
> only difference is that we use the largest RTT of any of the subflows
> and that we will update all subflows with the new value.
> 
> Else, we get spurious packet drops because the mptcp work queue might
> not be able to move packets from subflow socket to master socket
> fast enough.  Without the adjustment, TCP may drop the packets because
> the subflow socket is over its rcvbuffer limit.

Series applied, thanks Florian.