Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95CF5C433F5 for ; Fri, 26 Nov 2021 07:10:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359247AbhKZHN2 (ORCPT ); Fri, 26 Nov 2021 02:13:28 -0500 Received: from so254-9.mailgun.net ([198.61.254.9]:34145 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359165AbhKZHLY (ORCPT ); Fri, 26 Nov 2021 02:11:24 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1637910491; h=Content-Transfer-Encoding: Content-Type: MIME-Version: Message-ID: In-Reply-To: Date: References: Subject: Cc: To: From: Sender; bh=swNbSpL9NrkKIqUCrUAbzYrdHuaxTEssIoG3jn+q+Pg=; b=nGSYshvk1Pw8UMFtCCOjaXdASCRarmWabwauzHccHn0MiaDWAE3lcwoavMWU8v5LoUy+lm8j RmNKWxw6ESk/2cLd90Px25Rctvm77GDIVzsaGFBPYReTvhjEO2lerHgTJaEOWeoGQF1PI97H Vr8XJBrCTqHS1qUCsy8cLKQAFEQ= X-Mailgun-Sending-Ip: 198.61.254.9 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-n01.prod.us-west-2.postgun.com with SMTP id 61a087d34fca5da46dd91232 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 26 Nov 2021 07:08:03 GMT Sender: kvalo=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id D68F7C4360D; Fri, 26 Nov 2021 07:08:02 +0000 (UTC) Received: from tynnyri.adurom.net (tynnyri.adurom.net [51.15.11.48]) (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 BA87EC43618; Fri, 26 Nov 2021 07:08:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org BA87EC43618 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=codeaurora.org From: Kalle Valo To: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= Cc: Jonas Jelonek , linux-wireless@vger.kernel.org, kvalo@codeaurora.org, nbd@nbd.name, Thomas Huehn Subject: Re: [PATCH] ath9k: switch to rate table based lookup References: <20211125121652.6073-1-jelonek.jonas@gmail.com> <878rxcb4q2.fsf@toke.dk> Date: Fri, 26 Nov 2021 09:07:56 +0200 In-Reply-To: <878rxcb4q2.fsf@toke.dk> ("Toke \=\?utf-8\?Q\?H\=C3\=B8iland-J\?\= \=\?utf-8\?Q\?\=C3\=B8rgensen\=22's\?\= message of "Thu, 25 Nov 2021 17:05:41 +0100") Message-ID: <87a6hrwg1f.fsf@tynnyri.adurom.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Toke H=C3=B8iland-J=C3=B8rgensen writes: > Jonas Jelonek writes: > >> This patch changes mac80211 rate control for the ath9k driver. >> The rate lookup per packet is changed from legacy usage of >> ieee80211_get_tx_rates() to the new rate table based lookup >> in struct ieee80211_sta.rates. > > What's the practical implication of this? Performance benefits, better > rates selected, or what? Got any benchmark numbers? And how did you test this? Are both PCI and USB devices affected? --=20 https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatc= hes