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Date:   Mon, 14 Sep 2020 11:03:47 -0700 (PDT)
From:   Mat Martineau <mathew.j.martineau@...ux.intel.com>
To:     Paolo Abeni <pabeni@...hat.com>
cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, mptcp@...ts.01.org
Subject: Re: [MPTCP] [PATCH net-next v2 03/13] mptcp: trigger msk processing
 even for OoO data

On Mon, 14 Sep 2020, Paolo Abeni wrote:

> This is a prerequisite to allow receiving data from multiple
> subflows without re-injection.
>
> Instead of dropping the OoO - "future" data in
> subflow_check_data_avail(), call into __mptcp_move_skbs()
> and let the msk drop that.
>
> To avoid code duplication factor out the mptcp_subflow_discard_data()
> helper.
>
> Note that __mptcp_move_skbs() can now find multiple subflows
> with data avail (comprising to-be-discarded data), so must
> update the byte counter incrementally.
>
> v1 -> v2:
> - fix checkpatch issues (unsigned -> unsigned int)
>
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>
> ---
> net/mptcp/protocol.c | 33 +++++++++++++++----
> net/mptcp/protocol.h |  9 ++++-
> net/mptcp/subflow.c  | 78 ++++++++++++++++++++++++--------------------
> 3 files changed, 78 insertions(+), 42 deletions(-)
>

Reviewed-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>


--
Mat Martineau
Intel

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