netdev - Re: [RFC PATCH net-next 0/6] ptp: Support hardware clocks with additional free running time

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Date:   Tue, 8 Mar 2022 12:55:07 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     Miroslav Lichvar <mlichvar@...hat.com>
Cc:     Michael Walle <michael@...le.cc>, gerhard@...leder-embedded.com,
        davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        vinicius.gomes@...el.com, yangbo.lu@....com
Subject: Re: [RFC PATCH net-next 0/6] ptp: Support hardware clocks with
 additional free running time

On Mon, Mar 07, 2022 at 06:37:48AM -0800, Richard Cochran wrote:
> On Mon, Mar 07, 2022 at 03:23:58PM +0100, Miroslav Lichvar wrote:
> 
> > There is a need to have multiple PHCs per device and for that to work
> > the drivers need to be able to save multiple timestamps per packet.
> 
> That is a big job that entails a new user API.

On second thought, maybe the address/cookie idea will at least open up
multiple driver timestamps in a practical way...

Thanks,
Richard