Messages in this thread |  | | Date | Fri, 11 Apr 2025 10:01:27 +0200 | | From | Kory Maincent <> | | Subject | Re: [PATCH net-next v2 2/2] net: phy: Add Marvell PHY PTP support |
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On Thu, 10 Apr 2025 20:40:12 +0100 "Russell King (Oracle)" <linux@armlinux.org.uk> wrote:
> On Thu, Apr 10, 2025 at 07:16:47PM +0100, Russell King (Oracle) wrote: > > On Thu, Apr 10, 2025 at 06:02:05PM +0200, Kory Maincent wrote: > > > On Thu, 10 Apr 2025 16:41:06 +0100 > > > "Russell King (Oracle)" <linux@armlinux.org.uk> wrote:
> > > It seems you are still using your Marvell PHY drivers without my change. > > > PTP L2 was broken on your first patch and I fixed it. > > > I have the same result without the -2 which mean ptp4l uses UDP IPV4. > > > > I'm not sure what you're referring to. > > Okay, turns out to be nothing to do with any fixes in my code or not > (even though I still don't know what the claimed brokenness you > refer to actually was.)
If I remember well you need the PTP global config 1 register set to 3 to have the L2 PTP working.
> It turns out to be that ptpdv2 sends PTP packets using IPv4 UDP *or* > L2, and was using IPv4 UDP. Adding "ptpengine:transport=ethernet" to > the ptpdv2 configuration allows ptp4l -2 to then work.
Ack.
Regards, -- Köry Maincent, Bootlin Embedded Linux and kernel engineering https://bootlin.com
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