Date: Thu, 16 Aug 2012 10:46:42 +0100 From: Bob Bishop <rb@gid.co.uk> To: Marius Strobl <marius@alchemy.franken.de> Cc: David Duchscher <daved@tamu.edu>, Adrian Chadd <adrian@freebsd.org>, hackers@freebsd.org, Marius Strobl <marius@freebsd.org> Subject: Re: Disabling ethernet link on an Intel nic? Message-ID: <4A66D60B-5824-423B-906C-309A1F925E95@gid.co.uk> In-Reply-To: <20120816091336.GA28757@alchemy.franken.de> References: <CDCBD319-C627-449F-9A87-73CEF0E9AB67@tamu.edu> <CAJ-Vmomq3-6NKPmOrSeeYL=v7y1E8cMRep1A=9=rzJAQsfjBGw@mail.gmail.com> <20120816091336.GA28757@alchemy.franken.de>
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Hi, On 16 Aug 2012, at 10:13, Marius Strobl wrote: > I'm working on adding support to mii(4) for powering down PHYs when > the network interface is down, but as you have noticed this non- > trivial to get right, i.e. so they actually come out of power down > mode again when bringing up the interface regardless of the media > options used. We also clearly need a way to disable this behavior > for the known-broken PHYs. Please be very careful in case the PHY is carrying a piggy-backed IPMI = NIC too. > This is orthogonal to the 1 and 10 Gigabit Intel Ethernet drivers > so as these don't take advantage of mii(4). Some time ago someone > posted patches to net@ implementing/activating powering down the > PHYs when these interfaces are down though. >=20 > Marius -- Bob Bishop rb@gid.co.uk
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