From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: Re: Linux support for 802.3af? Date: Sat, 13 Mar 2010 00:43:05 +0000 Message-ID: <1268440985.7439.23.camel@localhost> References: <4B9AD5CA.7000303@redfish-solutions.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: "Philip A. Prindeville" Return-path: Received: from mail.solarflare.com ([216.237.3.220]:53314 "EHLO exchange.solarflare.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935115Ab0CMAnM (ORCPT ); Fri, 12 Mar 2010 19:43:12 -0500 In-Reply-To: <4B9AD5CA.7000303@redfish-solutions.com> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2010-03-12 at 17:01 -0700, Philip A. Prindeville wrote: > I was looking at this Marvell-based 4-port PCI card with PoE and > thinking it would be handy for powering cameras and ip-phones, but don't > remember seeing any kernel support for 802.3af... > > http://www.korenix.com/jetcard-PoE_Universal_PCI_Card-2215-overview.htm > > There's no support for 802.3af, right? The standard MDIO ioctls can be used to access registers 11 and 12 on PHYs with integrated PSE functionality. There is no way of indicating whether a PHY has such functionality, but a flag for this could be added to the mdio_support field of struct ethtool_cmd. Ben. -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.