From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lunn Subject: Re: [PATCH net-next v2 3/5] ethtool: (uapi) Add ETHTOOL_PHY_DOWNSHIFT to PHY tunables Date: Mon, 14 Nov 2016 14:42:15 +0100 Message-ID: <20161114134215.GI26710@lunn.ch> References: <1479115760-1182-1-git-send-email-allan.nielsen@microsemi.com> <1479115760-1182-4-git-send-email-allan.nielsen@microsemi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, raju.lakkaraju@microsemi.com To: "Allan W. Nielsen" Return-path: Received: from vps0.lunn.ch ([178.209.37.122]:37840 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752824AbcKNNmQ (ORCPT ); Mon, 14 Nov 2016 08:42:16 -0500 Content-Disposition: inline In-Reply-To: <1479115760-1182-4-git-send-email-allan.nielsen@microsemi.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, Nov 14, 2016 at 10:29:18AM +0100, Allan W. Nielsen wrote: > From: Raju Lakkaraju > > For operation in cabling environments that are incompatible with > 1000BAST-T, PHY device may provide an automatic link speed downshift > operation. When enabled, the device automatically changes its 1000BAST-T > auto-negotiation to the next slower speed after a configured number of > failed attempts at 1000BAST-T. This feature is useful in setting up in > networks using older cable installations that include only pairs A and B, > and not pairs C and D. Hi Allan A nitpick: s/BAST/BASE/g Otherwise, this is good. Andrew