From: Ben Hutchings <bhutchings@solarflare.com>
To: "Philip A. Prindeville" <philipp_subx@redfish-solutions.com>
Cc: netdev@vger.kernel.org
Subject: Re: Linux support for 802.3af?
Date: Sat, 13 Mar 2010 00:43:05 +0000 [thread overview]
Message-ID: <1268440985.7439.23.camel@localhost> (raw)
In-Reply-To: <4B9AD5CA.7000303@redfish-solutions.com>
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.
next prev parent reply other threads:[~2010-03-13 0:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-13 0:01 Linux support for 802.3af? Philip A. Prindeville
2010-03-13 0:43 ` Ben Hutchings [this message]
2010-03-13 1:11 ` Philip A. Prindeville
2010-03-13 4:40 ` Ben Hutchings
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