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Subject: Re: [PATCH] ath9k: fix transmitting to stations in dynamic SMPS mode
From:   Kalle Valo <kvalo@codeaurora.org>
In-Reply-To: <20210214184911.96702-1-nbd@nbd.name>
References: <20210214184911.96702-1-nbd@nbd.name>
To:     Felix Fietkau <nbd@nbd.name>
Cc:     linux-wireless@vger.kernel.org, hurricos@gmail.com
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Message-Id: <20210218060812.23B25C433CA@smtp.codeaurora.org>
Date:   Thu, 18 Feb 2021 06:08:12 +0000 (UTC)
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Felix Fietkau <nbd@nbd.name> wrote:

> When transmitting to a receiver in dynamic SMPS mode, all transmissions that
> use multiple spatial streams need to be sent using CTS-to-self or RTS/CTS to
> give the receiver's extra chains some time to wake up.
> This fixes the tx rate getting stuck at <= MCS7 for some clients, especially
> Intel ones, which make aggressive use of SMPS.
> 
> Cc: stable@vger.kernel.org
> Reported-by: Martin Kennedy <hurricos@gmail.com>
> Signed-off-by: Felix Fietkau <nbd@nbd.name>

Patch applied to wireless-drivers.git, thanks.

3b9ea7206d7e ath9k: fix transmitting to stations in dynamic SMPS mode

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20210214184911.96702-1-nbd@nbd.name/

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