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[23.128.96.32]) by mx.google.com with ESMTPS id ck12-20020a056a00328c00b00690ff5e479fsi2250363pfb.332.2023.09.21.14.24.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Sep 2023 14:24:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; dkim=pass header.i=@lunn.ch header.s=20171124 header.b=Jj9H1CAo; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=lunn.ch Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id CFAD8821FB96; Thu, 21 Sep 2023 14:12:18 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231654AbjIUVLK (ORCPT + 99 others); Thu, 21 Sep 2023 17:11:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233143AbjIUVF1 (ORCPT ); Thu, 21 Sep 2023 17:05:27 -0400 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D30C8AFC0F; Thu, 21 Sep 2023 11:07:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=UY8fQYMYp3LwZRz20tNRxkLAI7g3a7cNxYpuf3mT/Kg=; b=Jj9H1CAo5OpcfYVJwcTdJqLBZY jkt7qTwvzs9d4PrOzIIOpo5Ze4U2L193NSUaDE/KHgnbuZ8xNxfa34RIN+9sXGBG2BE5FkVc+Jxxx CIuH7mKcWvP7/ERSTfSUPFn2QFcoMbWoM78X59SOr3YOvN1VuVwOAkmixNJywIsqGbfs=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1qjJc4-0075XM-3D; Thu, 21 Sep 2023 15:21:00 +0200 Date: Thu, 21 Sep 2023 15:21:00 +0200 From: Andrew Lunn To: Choong Yong Liang Cc: Rajneesh Bhardwaj , David E Box , Hans de Goede , Mark Gross , Jose Abreu , Heiner Kallweit , Russell King , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Marek =?iso-8859-1?Q?Beh=FAn?= , Jean Delvare , Guenter Roeck , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Richard Cochran , Philipp Zabel , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Wong Vee Khee , Jon Hunter , Jesse Brandeburg , Revanth Kumar Uppala , Shenwei Wang , Andrey Konovalov , Jochen Henneberg , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, platform-driver-x86@vger.kernel.org, linux-hwmon@vger.kernel.org, bpf@vger.kernel.org, Voon Wei Feng , Tan Tee Min , Michael Sit Wei Hong , Lai Peter Jun Ann Subject: Re: [PATCH net-next v2 0/5] TSN auto negotiation between 1G and 2.5G Message-ID: <37fe9352-ec84-47b8-bb49-9441987ca1b9@lunn.ch> References: <20230804084527.2082302-1-yong.liang.choong@linux.intel.com> <5bd05ba2-fd88-4e5c-baed-9971ff917484@lunn.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=0.2 required=5.0 tests=DATE_IN_PAST_03_06,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Thu, 21 Sep 2023 14:12:19 -0700 (PDT) > Hi Andrew, > > After conducting a comprehensive study, it seems that implementing > out-of-band for all link modes might not be feasible. I may have missed some > key aspects during my analysis. > > Would you be open to sharing a high-level idea of how we could potentially > make this feasible? Your insights would be greatly appreciated. stmmac_mac_link_up() gets passed interface, speed and duplex. That tells you what the PHY has negotiated. Is there anything else you need to know? Andrew