netdev - Re: PHC device sharing between PCI functions

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Message-ID: <20130704155339.GA15214@netboy>
Date:	Thu, 4 Jul 2013 17:53:40 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	linux-net-drivers <linux-net-drivers@...arflare.com>,
	netdev <netdev@...r.kernel.org>,
	Laurence Evans <levans@...arflare.com>
Subject: Re: PHC device sharing between PCI functions

On Thu, Jul 04, 2013 at 03:34:26PM +0100, Ben Hutchings wrote:
> On Thu, 2013-07-04 at 07:36 +0200, Richard Cochran wrote:
> > 
> > The aliases would not bother me, as long as the ethtool interface-to-phc
> > association works properly.
> 
> Well what would be 'properly' in this case?

If a PCIe card provides one interface eth0 and four PHC devcies
/dev/ptp0-3, then doing 'ethtool -T eth0' should show PHC index 0.

Thanks,
Richard


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