Re: [Linuxptp-devel] Clarification of PHC and PHY on the supported lists?

[Richard C. <ric...@gm...>]

On Mon, Dec 02, 2013 at 09:23:57PM +0000, Keller, Jacob E wrote:
> 
> I am not sure the 82576 NIC actually supports PHY level timestamping. I
> believe you have to have PHY and NIC support? (maybe only driver
> support?) But this is partly because 82576 driver does not use phylib.
> (As far as I know, this is because the PHY is tied more closely to the
> board than phylib was designed for...?) I don't know exactly the
> details..

Right, the PHY time stamping only works with MAC drivers that use both
phylib and NAPI. All of those drivers are listed in the table.

> Richard do you know more about how PHY level timestamping works?

I wrote a bit more in my other mail.

Thanks,
Richard