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[23.128.96.18]) by mx.google.com with ESMTP id fi28si11474721ejb.379.2021.02.14.21.04.12; Sun, 14 Feb 2021 21:04:40 -0800 (PST) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@mg.codeaurora.org header.s=smtp header.b=S8fK1tUd; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229486AbhBOFBD (ORCPT + 99 others); Mon, 15 Feb 2021 00:01:03 -0500 Received: from z11.mailgun.us ([104.130.96.11]:11327 "EHLO z11.mailgun.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229446AbhBOFBC (ORCPT ); Mon, 15 Feb 2021 00:01:02 -0500 X-Greylist: delayed 345 seconds by postgrey-1.27 at vger.kernel.org; Mon, 15 Feb 2021 00:01:02 EST DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1613365241; h=Content-Type: MIME-Version: Message-ID: In-Reply-To: Date: References: Subject: Cc: To: From: Sender; bh=PfLH0BqKbqTK0XYx91M8hkmyFuSrAqrtwXzVLkcSfuk=; b=S8fK1tUdE2acycjvuQBOseyltDPtmZCwYUwnbLupNLKx8hdrIL4+DK/hY59V57eR1UenHkNq WuiaJw81cQMOG1r2VC/UAhbcytCQmudv0hYyILNR4V0uzCnXXasqFOYBqCsNRNzDxjLZ2AkG XhsXB3gCvMB3tpl3S0YWU/qyNBQ= X-Mailgun-Sending-Ip: 104.130.96.11 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-west-2.postgun.com with SMTP id 6029fe8634db06ef790e65c5 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 15 Feb 2021 04:54:30 GMT Sender: kvalo=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id EBC5CC43461; Mon, 15 Feb 2021 04:54:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00,SPF_FAIL autolearn=no autolearn_force=no version=3.4.0 Received: from potku.adurom.net (88-114-240-156.elisa-laajakaista.fi [88.114.240.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: kvalo) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8B3EDC433C6; Mon, 15 Feb 2021 04:54:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 8B3EDC433C6 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=kvalo@codeaurora.org From: Kalle Valo To: Felix Fietkau Cc: linux-wireless@vger.kernel.org, hurricos@gmail.com Subject: Re: [PATCH] ath9k: fix transmitting to stations in dynamic SMPS mode References: <20210214184911.96702-1-nbd@nbd.name> Date: Mon, 15 Feb 2021 06:54:25 +0200 In-Reply-To: <20210214184911.96702-1-nbd@nbd.name> (Felix Fietkau's message of "Sun, 14 Feb 2021 19:49:11 +0100") Message-ID: <8735xyrkvy.fsf@codeaurora.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Felix Fietkau writes: > 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 > Signed-off-by: Felix Fietkau No Fixes tag so I assume this is not a regression? Should this go to v5.12 or -next? I guess that depends how much testing this patch has got. -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches