netdev - Re: [PATCH RFC net-next] net: phy: add Marvell PHY PTP support [multicast/DSA issues]

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Date:   Mon, 27 Feb 2023 12:19:22 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Köry Maincent <kory.maincent@...tlin.com>,
        andrew@...n.ch, davem@...emloft.net, f.fainelli@...il.com,
        hkallweit1@...il.com, kuba@...nel.org, netdev@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: Re: [PATCH RFC net-next] net: phy: add Marvell PHY PTP support
 [multicast/DSA issues]

On Mon, Feb 27, 2023 at 08:09:05PM +0000, Russell King (Oracle) wrote:

> Looking at that link, I'm only seeing that message, with none of
> the patches nor the discussion. Digging back in my mailbox, I
> find that the patches weren't threaded to the cover message, which
> makes it quite difficult to go back and review the discussion.

Sorry about that.  By accident I omitted --thread=shallow that time.

> Looking back briefly at the discussion on patch 3, was the reason
> this approach died due to the request to have something more flexible,
> supporting multiple hardware timestamps per packet?

I still think the approach will work, but I guess I got distracted
with other stuff and forgot about it.

The "multiple hardware timestamps per packet" is a nice idea, but it
would require a new user API, and so selectable MAC/PHY on the
existing API is still needed.

Thanks,
Richard