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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC07BECAAD2 for ; Mon, 29 Aug 2022 14:45:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230386AbiH2Op1 (ORCPT ); Mon, 29 Aug 2022 10:45:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230281AbiH2Op0 (ORCPT ); Mon, 29 Aug 2022 10:45:26 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CA2961DB2 for ; Mon, 29 Aug 2022 07:45:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=HaaW/DEBVscRrbh8z+rmUX7MK3Ypiu9xK8xiE1M1CWM=; t=1661784325; x=1662993925; b=Gm02fL1h02ZLrRGiutI5Vmd1ILGugOe63vTgqLWCz+LeAZP yA0J9RMdFekgtkmVsJhlPgEhEJUXZFl2ocvbxOy9sN0XGWXaJWdt+49F+rqxP8mUtL60olRgc2dCO QpZctGrtyv5pH83bUS7J55c11CwfqMgo4qtBJ8jV+HndaOmQFrFPK3mefXc6rkkBnIOaC4f0bY0Gn 8gwK84FhpXEHN3XywqztBoIfMQcej2c70flMgZIVWBtm4Y11yJ+eOCvRzyC8A0ibcDB4rNEsEudbI y4GPo85AXMcc/K+IAHaDL08AJHRdi9C7pYeJQ/V+PiOCnAGjmZS4cbUCRTQuhnyw==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1oSg0v-002pbz-35; Mon, 29 Aug 2022 16:45:22 +0200 Message-ID: <5175b7f95442eff1f8e899feee3d3aeb330fb61e.camel@sipsolutions.net> Subject: Re: [RFC 0/4] mac80211: add TPC support in control path From: Johannes Berg To: Jonas Jelonek , linux-wireless@vger.kernel.org Cc: nbd@nbd.name, Thomas Huehn Date: Mon, 29 Aug 2022 16:45:20 +0200 In-Reply-To: <20220829144147.484787-1-jelonek.jonas@gmail.com> References: <20220829144147.484787-1-jelonek.jonas@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.4 (3.44.4-1.fc36) MIME-Version: 1.0 X-malware-bazaar: not-scanned Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Mon, 2022-08-29 at 16:41 +0200, Jonas Jelonek wrote: > Transmit power control (TPC) per packet hence per station can be used to > manage interference and increase overall spatial reuse and therefore > increases sum throughput in WiFi networks with multiple APs and STAs. > Although several of today's wifi chips, e.g., from QCA and from Mediatek > support fine-grained TPC per packet, the Linux mac80211 layer does not > provide support this annotation nor control yet. >=20 > This series proposes several changes to introduce TPC support in > mac80211, in particular to annotate tx-power per packet/per mrr stage in > the Tx control path. > The patches include new nembers in the Tx control path structs, a > modified tx-power level support annotation, hardware flags and an > utility function for the convenient use of struct ieee80211_rate_status > (introduced by 44fa75f207d8a106bc75e6230db61e961fdbf8a8) for tx-power > status report in drivers. >=20 > Compile-Tested: current wireless-next tree with all flags on > Tested-on PCEngines APU with ath9k WiFi device on OpenWrt Linux > Kernel 5.10.137 >=20 That seems just a little old? Not sure I'd trust that given the major changes in the tree recently? johannes