Received: by 2002:ab2:1149:0:b0:1f3:1f8c:d0c6 with SMTP id z9csp2391504lqz; Tue, 2 Apr 2024 16:37:47 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCUMJb/7akDXfsA6SxfVM/b0JEXPF/oZv9t/t6jRaLFTeQx3dJbqawsVOxezv/RAWNNq65a7ooXtw93S3fmGGx4PA/QLXrAHFxoErOAi6Q== X-Google-Smtp-Source: AGHT+IHQaz+f2iZlDM0xD2alrUVEeAm3nro9ClLDPPU32075H+UOAo/+jlihLWsqOEAFnjN9Isvp X-Received: by 2002:a05:6512:3da5:b0:513:c963:895e with SMTP id k37-20020a0565123da500b00513c963895emr10189412lfv.42.1712101066952; Tue, 02 Apr 2024 16:37:46 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1712101066; cv=pass; d=google.com; s=arc-20160816; b=z1lSK+IXnRDaINuBPFu4JI5MjHkBkEBdOxvH9a38mjRtmdcuT27gsMk9lxy22TfXGF twNLJnOww8IAOIzqJAJo/B3zWP3/XekOfn8y4iljAnNxCtATRVA05ovQhH1Q1GOE2qT2 kKyv3C45RB+7NdAws460xS33BxXxfr+xThJ/uX866+7ErgpxRM5dn1YTafIbaE9pzSYL XmGkcEsbhCdwTk6Anofayq1nEkoYb+vFBgWZDg0EfF4E8jYN/O8YG5wjDKCWT+wfOIpO a2DMR37D70yos6efWY48R3uKq88TpnpLp032D9mrOWcH5n284a6pCBPshqtKwom+Ekzt NxIQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:content-disposition:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:message-id:subject:cc :to:from:date:dkim-signature; bh=czqakSuEwNxUKTTR2ylWGLpQOSR/+zx9zGf/y+PgSNM=; fh=v0v5kFpeNVHVI1FVw+NFr2xGhZ6b5/3Az04ehr2r6wI=; b=CfaMeDbzemyFUCf+dEwDuvp7N8Ew6/pjutNDFULruZRD3e2DiWJQpN2uF752aMb0b5 I6aQGa0GQPmC1ptrjnYIVGzweOGdiPyYzqHX397YUORh4/BB0dU8M03wOEEiDBjHfG4E Wqv9s1dL5vQAznpQ8GuzQ+FMt4znjy2odFjqP4Grrv1rI5auApFBpe8KDiM9aU/wq4BA v4TsAE3glYuTgeByVwjn5/31V6yeoeyc9kUe3o3QP6jSxY8Wd7ZrTgml2vTcAQE8tTb+ 3Y+vAoyiEwAybi22Xp6U76/1m+qDiT+GrZ416F/s+rI8tXtkriNewfwlxOhr/CilV+sf W2+Q==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@lunn.ch header.s=20171124 header.b=MGAuIqam; arc=pass (i=1 spf=pass spfdomain=lunn.ch dkim=pass dkdomain=lunn.ch dmarc=pass fromdomain=lunn.ch); spf=pass (google.com: domain of linux-kernel+bounces-128836-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-128836-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=lunn.ch Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id n26-20020a1709062bda00b00a463eb97691si6237228ejg.350.2024.04.02.16.37.46 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Apr 2024 16:37:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-128836-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@lunn.ch header.s=20171124 header.b=MGAuIqam; arc=pass (i=1 spf=pass spfdomain=lunn.ch dkim=pass dkdomain=lunn.ch dmarc=pass fromdomain=lunn.ch); spf=pass (google.com: domain of linux-kernel+bounces-128836-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-128836-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=lunn.ch Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id A8B1C1F232DD for ; Tue, 2 Apr 2024 23:37:46 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id BD7F757875; Tue, 2 Apr 2024 23:37:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="MGAuIqam" Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 247313E487; Tue, 2 Apr 2024 23:37:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=156.67.10.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712101057; cv=none; b=m+eOPt02N3M8Qgn8pgwY4cF3KAFm4dfo9bG67hMeUT0lUQTmg85f2A0E0qgweR5CvYati/YaFz5nyKBTe1DBiF5kCnVlBxoHjExYpWsHVIjVUeZKUXGi1o9yLVJEADlpFBKfjfhii7KwsjndUullL3y4xnQgnwfm0esgvoFzj2w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712101057; c=relaxed/simple; bh=+ODrOgaH+i3zGrDGCN9VqXnzlahNw8ThMoXJDbGJEHk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SLdE1Os/5dMt1PeBqFMLI2SNg8la4SLkZasRfWQZr+Zc51/7VhkuORhsgF99Q+bxyBWoPvHUNxVTv1exiVN54392EOFrjtHTvoEi0BuFimXTRJ1YK1hBjEC2fS7GrplwwH6qAU+7nIcnY8FJpdNrT0Edj2mdM/3C7j2bL2cxgI4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b=MGAuIqam; arc=none smtp.client-ip=156.67.10.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch 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=czqakSuEwNxUKTTR2ylWGLpQOSR/+zx9zGf/y+PgSNM=; b=MGAuIqamqxv4U5Isqea8yjDp1c UPR9t9sx3/b6eE7edPol/vtifmZ4P2iL6g26IOkYIEjy8ZrcWJxhQ3ye85Lq5v8drGewYb7ZGlwAw ljIvddpHksjAQbYytCuvQHFITFSJFSKy0OBY8dRN7ZyjxmpuoMZhaGpiIh50Mq2QYO1U=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1rrnh1-00Bztx-0H; Wed, 03 Apr 2024 01:37:27 +0200 Date: Wed, 3 Apr 2024 01:37:26 +0200 From: Andrew Lunn To: Pawel Dembicki Cc: netdev@vger.kernel.org, Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Dimitri Fedrau , Stefan Eichenberger , Kory Maincent , Maxime Chevallier , Ahmed Zaki , linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v3 2/3] net: ethtool: Add impedance mismatch result code to cable test Message-ID: <50748ea1-4b53-4b6c-b08b-1ad230d838b7@lunn.ch> References: <20240402201123.2961909-1-paweldembicki@gmail.com> <20240402201123.2961909-2-paweldembicki@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240402201123.2961909-2-paweldembicki@gmail.com> On Tue, Apr 02, 2024 at 10:11:19PM +0200, Pawel Dembicki wrote: > Some PHYs can recognize during a cable test if the impedance in the cable > is okay. They can detect reflections caused by impedance discontinuity > between a regular 100 Ohm cable and an abnormal part with a higher or > lower impedance. > > This commit introduces a new result code: > ETHTOOL_A_CABLE_RESULT_CODE_IMPEDANCE_MISMATCH, > which represents the results of a cable test indicating issues with > impedance integrity. > > Signed-off-by: Pawel Dembicki Reviewed-by: Andrew Lunn Andrew