From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E529C433DB for ; Thu, 18 Feb 2021 06:17:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41A3164E2E for ; Thu, 18 Feb 2021 06:17:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230481AbhBRGQt (ORCPT ); Thu, 18 Feb 2021 01:16:49 -0500 Received: from z11.mailgun.us ([104.130.96.11]:50558 "EHLO z11.mailgun.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231785AbhBRGJc (ORCPT ); Thu, 18 Feb 2021 01:09:32 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1613628520; h=Date: Message-Id: Cc: To: References: In-Reply-To: From: Subject: Content-Transfer-Encoding: MIME-Version: Content-Type: Sender; bh=XEoXeKj0XypLz93hJsGeDrTRfvtE7RnuAzjDvQMWI9g=; b=ox0tgAZ3iaBuYUexb3+tXh21lRE/aNvB5Eb5QgTIW9XuMZDLJTRcSZiz9PeWAflJMmzeYv0V 8WoLfYxSc01xXTgYeYrmsK2J5N6ZoGVTu4O1ZMzgtGo7w6+UB7GyNCLoxyq10P9lxofVX4oa wC8ByHTe3k8j89TVoW3koklDEFA= 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-n06.prod.us-east-1.postgun.com with SMTP id 602e044ca1a71e420ff65995 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 18 Feb 2021 06:08:12 GMT Sender: kvalo=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 23B25C433CA; Thu, 18 Feb 2021 06:08:12 +0000 (UTC) Received: from potku.adurom.net (88-114-240-156.elisa-laajakaista.fi [88.114.240.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: kvalo) by smtp.codeaurora.org (Postfix) with ESMTPSA id B90C9C433C6; Thu, 18 Feb 2021 06:08:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B90C9C433C6 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 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [PATCH] ath9k: fix transmitting to stations in dynamic SMPS mode From: Kalle Valo In-Reply-To: <20210214184911.96702-1-nbd@nbd.name> References: <20210214184911.96702-1-nbd@nbd.name> To: Felix Fietkau Cc: linux-wireless@vger.kernel.org, hurricos@gmail.com User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.5.2 Message-Id: <20210218060812.23B25C433CA@smtp.codeaurora.org> Date: Thu, 18 Feb 2021 06:08:12 +0000 (UTC) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Felix Fietkau 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 > Signed-off-by: Felix Fietkau 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