Received: by 2002:a05:6a10:8a4d:0:0:0:0 with SMTP id dn13csp652989pxb; Fri, 13 Aug 2021 03:25:04 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzn4XbMATRghbw30w+ZCpo3Ixo3Yoyk1eCgO6F2sv9wm9B/K9M+oqwg+6EPlIrrNMxA0kZo X-Received: by 2002:aa7:c64f:: with SMTP id z15mr2241989edr.54.1628850304264; Fri, 13 Aug 2021 03:25:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1628850304; cv=none; d=google.com; s=arc-20160816; b=lBvWXAuO8jdiYiNOe7FAX7sHbrFjUy1L4H4Nd01yagKZb6ZCXo1+Ta/Nja12AYDqOX bgT9CaY59fjnaCXVTN7ZXrRS00v8Y17VnzksDqDYSacsD43zwI9RHDdIobME8QfQ5J+m OtvUcXybKkAOXHjw9cWNo6Q7nqOrTnsBGig8XyoPUzxnbpFNLvGQAxG+3TpAOjZ1Hg0z MEzzu7tk2j66WWaR7YGMcraEy3ftXfR/QEXROQJKU1AJ2T96vjXj70lXfoMq1ptRevmD QLHOhQIYGu+QnfjmsH6KVJ2P9qBzo8d+op2SW+e0nPO2xZNQyqh4CDKrwy7z6oNPLLUU eZPQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:date:cc:to:from:subject :message-id:dkim-signature; bh=yxqGznKpFcy90u/i72TSHu+ZUzJFayVrCEeLw+E0YvY=; b=uAh5DuLeawzD2bHHi3oHkg30gLIV6hcYVGSK4mXLNQ+TPlRKlp3+/OfTNGc8aO9PyL 8WqOGNABQqGU4uLBRGFhryvan27QozOGOl4bzj71bSSGm1TVsh0MKlwOU2lOfoHuPdAD RKz5xhhldDdMxEsxvF3MwZK1ISarV5zYI9HE8zqkZX8owdMvRnTpJxZ1aKfEj3InT18R 4KNIonjT9MNB0gOUx/pkBrZks+S9W3PPKKTh/m/U0xz2Z2uea1SDURQRMbk3PFPioUE0 55sB+QxyNCnwQOo+2RhyEaqteOx/74sdDr45Xlbcz0IDgn9Wx0Bt4I3mhmAoU6CX7WhG eu1Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@sipsolutions.net header.s=mail header.b="o/XXEgZH"; 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; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=sipsolutions.net Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id m1si1474049ejj.198.2021.08.13.03.24.32; Fri, 13 Aug 2021 03:25:04 -0700 (PDT) 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=@sipsolutions.net header.s=mail header.b="o/XXEgZH"; 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; dmarc=pass (p=NONE sp=REJECT dis=NONE) header.from=sipsolutions.net Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239954AbhHMKM3 (ORCPT + 99 others); Fri, 13 Aug 2021 06:12:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239867AbhHMKM2 (ORCPT ); Fri, 13 Aug 2021 06:12:28 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CD56C061756 for ; Fri, 13 Aug 2021 03:12:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: 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=yxqGznKpFcy90u/i72TSHu+ZUzJFayVrCEeLw+E0YvY=; t=1628849522; x=1630059122; b=o/XXEgZHNcUG8SIDnHWD/dSwyVxwQRczpKVAY1sD/JOJQLd 4WY+u/3fMdHHVnZ2wCSQuir3e1b4Z7ywz64OAY32g7DFg/KJNE7wlUte7LuEqxWubjDmaabgbO8W8 2SyfZUsKdEscLrkVnBh9FHh+UG44+i3RmQqvypQjKNowIE5TZgvvctxvPMm05uSfduBGjAgvf7Pif wMD5daC+zv1oDwbmy21OxaMrNzMYFImKRotKdZWL0dQ91BhsM301U1muSj/CmBpxBuH+6WFF7/dpm zhja7blpN+TjRAljkHryngf7IYYJ9r8oMAG9ZDJGfFIOomMIlJBVTkhmy3Cc3aWA==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2) (envelope-from ) id 1mEUAK-00ABs5-Rs; Fri, 13 Aug 2021 12:11:52 +0200 Message-ID: <569d85aec8fecc836b5a6f9d40b53dff6e41c1b1.camel@sipsolutions.net> Subject: Re: [PATCH 9/9] mac80211: save transmit power envelope element and power constraint From: Johannes Berg To: Wen Gong Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org Date: Fri, 13 Aug 2021 12:11:52 +0200 In-Reply-To: <465b6b8535fc17ae51ee2f3116af87bb@codeaurora.org> References: <20210517201932.8860-1-wgong@codeaurora.org> <20210517201932.8860-10-wgong@codeaurora.org> (sfid-20210517_222034_029448_A9A89D57) <1126f8d996e895ae048092b3f8aad19b@codeaurora.org> <38e7d9d2eebafa7245a36a0a0396094526eb3efd.camel@sipsolutions.net> <1273cc1a399a7457c3d908648a7651c8fe9b93f3.camel@sipsolutions.net> <465b6b8535fc17ae51ee2f3116af87bb@codeaurora.org> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.38.4 (3.38.4-1.fc33) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-malware-bazaar: not-scanned Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Fri, 2021-08-13 at 17:16 +0800, Wen Gong wrote: > > yes, it should have some flag/logic to check whether it is BIGTK. > If you know it, you can tell me. :) Uh, actually, we don't have a secure indication of BIGTK getting used until after the 4-way-HS. > > > Yes, the lower driver also have the max power limit itself. If power > calulated > from the fake beacon is bigger than the max power limit, then it will be > ignored. Right. > > > The Transmit Power Envelope is not existed in the assoc response, it is > existed > in beacon. So it can not use assoc response. Right. Given this discussion, I think we should just leave it as is, and simply not assume that the TPE is protected by beacon protection or such. There are a number of other similar parameters, and doing some real protection at this level would likely require further spec changes. johannes