netdev - Re: [PATCH net-next 00/13] mptcp: improve multiple xmit streams support

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Message-ID: <20201112074025.5b932eaa@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Thu, 12 Nov 2020 07:40:25 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
        mptcp@...ts.01.org
Subject: Re: [PATCH net-next 00/13] mptcp: improve multiple xmit streams
 support

On Thu, 12 Nov 2020 11:47:58 +0100 Paolo Abeni wrote:
> This series improves MPTCP handling of multiple concurrent
> xmit streams.
> 
> The to-be-transmitted data is enqueued to a subflow only when
> the send window is open, keeping the subflows xmit queue shorter
> and allowing for faster switch-over.
> 
> The above requires a more accurate msk socket state tracking
> and some additional infrastructure to allow pushing the data
> pending in the msk xmit queue as soon as the MPTCP's send window
> opens (patches 6-10).
> 
> As a side effect, the MPTCP socket could enqueue data to subflows
> after close() time - to completely spooling the data sitting in the 
> msk xmit queue. Dealing with the requires some infrastructure and 
> core TCP changes (patches 1-5)
> 
> Finally, patches 11-12 introduce a more accurate tracking of the other
> end's receive window.
> 
> Overall this refactor the MPTCP xmit path, without introducing
> new features - the new code is covered by the existing self-tests.

Hi Paolo!

Would you mind resending? Looks like patchwork got confused about patch
6 not belonging to the series.