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 X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24B52C433E0 for ; Wed, 20 May 2020 14:29:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF6F8207D4 for ; Wed, 20 May 2020 14:29:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.b="kkk5H18m" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727884AbgETO3c (ORCPT ); Wed, 20 May 2020 10:29:32 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:41318 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726452AbgETO3b (ORCPT ); Wed, 20 May 2020 10:29:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=OHskyG7pfGBQXNfmwfOQ3/GNfVRie7Lid2IAYDcVZew=; b=kkk5H18mQynkYQ1KMSL/J0ri04 Jcg8DM9cqSl5bND2HXZjqTIwA2quTMOuHKNiZo991hHOc7CLCFLwSETjMq78p9dHRW/fdpRmD55aV VFw+BqVt/13PMZcAdGsZSu+rJrZjDxWhhsDieq8CIq42oAbNQ8szhusgymvBYLZpU4CA=; Received: from andrew by vps0.lunn.ch with local (Exim 4.93) (envelope-from ) id 1jbPil-002oQQ-0G; Wed, 20 May 2020 16:29:23 +0200 Date: Wed, 20 May 2020 16:29:22 +0200 From: Andrew Lunn To: Oleksij Rempel Cc: "David S. Miller" , Florian Fainelli , Heiner Kallweit , Jakub Kicinski , Jonathan Corbet , Michal Kubecek , David Jander , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Russell King , mkl@pengutronix.de, Marek Vasut , Christian Herber Subject: Re: [PATCH net-next v3 1/2] ethtool: provide UAPI for PHY Signal Quality Index (SQI) Message-ID: <20200520142922.GE652285@lunn.ch> References: <20200520062915.29493-1-o.rempel@pengutronix.de> <20200520062915.29493-2-o.rempel@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200520062915.29493-2-o.rempel@pengutronix.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 20, 2020 at 08:29:14AM +0200, Oleksij Rempel wrote: > Signal Quality Index is a mandatory value required by "OPEN Alliance > SIG" for the 100Base-T1 PHYs [1]. This indicator can be used for cable > integrity diagnostic and investigating other noise sources and > implement by at least two vendors: NXP[2] and TI[3]. > > [1] http://www.opensig.org/download/document/218/Advanced_PHY_features_for_automotive_Ethernet_V1.0.pdf > [2] https://www.nxp.com/docs/en/data-sheet/TJA1100.pdf > [3] https://www.ti.com/product/DP83TC811R-Q1 > > Signed-off-by: Oleksij Rempel Reviewed-by: Andrew Lunn Andrew