netdev - Re: [PATCH] rtl8xxxu: Improve the A-MPDU retransmission rate with RTS/CTS protection

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Message-ID: <87ee6oubyv.fsf@codeaurora.org>
Date:   Tue, 07 Dec 2021 09:10:32 +0200
From:   Kalle Valo <kvalo@...nel.org>
To:     Chris Chiu <chris.chiu@...onical.com>
Cc:     Jes.Sorensen@...il.com, davem@...emloft.net, kuba@...nel.org,
        code@...o-schneider.ch, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rtl8xxxu: Improve the A-MPDU retransmission rate with RTS/CTS protection

Chris Chiu <chris.chiu@...onical.com> writes:

> The A-MPDU retransmission rate is always high (> 20%) even in a very
> clean environment. However, the vendor driver retransimission rate is
> < 10% in the same test bed. The different is the vendor driver starts
> the A-MPDU TXOP with initial RTS/CTS handshake which is observed in the
> air capture and the TX descriptor. Since there's no related field in
> TX descriptor to enable the L-SIG TXOP protection and the duration,
> applying the RTS/CTS protection instead helps to lower the retransmission
> rate from > 20% to ~12% in the same test setup.
>
> Signed-off-by: Chris Chiu <chris.chiu@...onical.com>

You should have marked this as v2 because you submitted already before:

https://patchwork.kernel.org/project/linux-wireless/patch/20211129143953.369557-1-chris.chiu@canonical.com/

And include a list of changes between versions, more info in the wiki
below.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches