netdev - Re: [PATCH net-next v3 0/3] sfc: add support for PTP over IPv6 and 802.3

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Message-ID: <CACT4oudsW5LNdwDbaKK7=DX9wiPua1cYdQ7DLuRsNoZmV8=tmQ@mail.gmail.com>
Date:   Mon, 29 Aug 2022 09:09:48 +0200
From:   Íñigo Huguet <ihuguet@...hat.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     ecree.xilinx@...il.com, habetsm.xilinx@...il.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org, richardcochran@...il.com
Subject: Re: [PATCH net-next v3 0/3] sfc: add support for PTP over IPv6 and 802.3

On Fri, Aug 26, 2022 at 2:52 PM Andrew Lunn <andrew@...n.ch> wrote:
>
> On Fri, Aug 26, 2022 at 08:58:31AM +0200, Íñigo Huguet wrote:
> > On Thu, Aug 25, 2022 at 6:17 PM Andrew Lunn <andrew@...n.ch> wrote:
> > >
> > > On Thu, Aug 25, 2022 at 11:02:39AM +0200, Íñigo Huguet wrote:
> > > > Most recent cards (8000 series and newer) had enough hardware support
> > > > for this, but it was not enabled in the driver. The transmission of PTP
> > > > packets over these protocols was already added in commit bd4a2697e5e2
> > > > ("sfc: use hardware tx timestamps for more than PTP"), but receiving
> > > > them was already unsupported so synchronization didn't happen.
> > >
> > > You don't appear to Cc: the PTP maintainer.
> > >
> > >     Andrew
> > >
> >
> > I didn't think about that, but looking at MAINTAINERS, there doesn't
> > seem to be any. There are 2 maintainers for the drivers of the clock
> > devices, but none for anything related to the network protocol...
>
> PTP HARDWARE CLOCK SUPPORT
> M:      Richard Cochran <richardcochran@...il.com>
> L:      netdev@...r.kernel.org
> S:      Maintained
> W:      http://linuxptp.sourceforge.net/
> F:      Documentation/ABI/testing/sysfs-ptp
> F:      Documentation/driver-api/ptp.rst
> F:      drivers/net/phy/dp83640*
> F:      drivers/ptp/*
> F:      include/linux/ptp_cl*
>
> I assume you are using linuxptp with this?
>
>   Andrew
>

I'm still not sure if this falls under his responsibility because it
doesn't affect the part of the clock device, but in any case it
doesn't hurt to CC him as you suggest. Thanks!

Richard, missed to CC you in this patch series, just in case it's of
your interest.

-- 
Íñigo Huguet