linux-kernel - Re: [PATCH v7 net-next 00/10] Introduce ndo_hwtstamp_get() and ndo_hwtstamp

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Message-ID: <CAP5jrPFbt7vc77wVi5buYM88gDQ-OCHzm3Hg=EzRxJiha7Ur5A@mail.gmail.com>
Date:   Sun, 16 Jul 2023 19:22:23 -0600
From:   Max Georgiev <glipus@...il.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Köry Maincent <kory.maincent@...tlin.com>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Richard Cochran <richardcochran@...il.com>,
        Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
        Gerhard Engleder <gerhard@...leder-embedded.com>,
        Hangbin Liu <liuhangbin@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jacob Keller <jacob.e.keller@...el.com>,
        Jay Vosburgh <j.vosburgh@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        Wei Fang <wei.fang@....com>,
        Shenwei Wang <shenwei.wang@....com>,
        Clark Wang <xiaoning.wang@....com>,
        NXP Linux Team <linux-imx@....com>,
        UNGLinuxDriver@...rochip.com,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        Daniel Machon <daniel.machon@...rochip.com>,
        Simon Horman <simon.horman@...igine.com>,
        Casper Andersson <casper.casan@...il.com>,
        Sergey Organov <sorganov@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 net-next 00/10] Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set()

On Thu, Jul 13, 2023 at 6:19 AM Vladimir Oltean <vladimir.oltean@....com> wrote:
>
> Based on previous RFCs from Maxim Georgiev:
> https://lore.kernel.org/netdev/20230502043150.17097-1-glipus@gmail.com/
>
> this series attempts to introduce new API for the hardware timestamping
> control path (SIOCGHWTSTAMP and SIOCSHWTSTAMP handling).
>
> I don't have any board with phylib hardware timestamping, so I would
> appreciate testing (especially on lan966x, the most intricate
> conversion). I was, however, able to test netdev level timestamping,
> because I also have some more unsubmitted conversions in progress:
>
> https://github.com/vladimiroltean/linux/commits/ndo-hwtstamp-v7
>
> I hope that the concerns expressed in the comments of previous series
> were addressed, and that Köry Maincent's series:
> https://lore.kernel.org/netdev/20230406173308.401924-1-kory.maincent@bootlin.com/
> can make progress in parallel with the conversion of the rest of drivers.
>
> Maxim Georgiev (5):
>   net: add NDOs for configuring hardware timestamping
>   net: add hwtstamping helpers for stackable net devices
>   net: vlan: convert to ndo_hwtstamp_get() / ndo_hwtstamp_set()
>   net: macvlan: convert to ndo_hwtstamp_get() / ndo_hwtstamp_set()
>   net: bonding: convert to ndo_hwtstamp_get() / ndo_hwtstamp_set()
>
> Vladimir Oltean (5):
>   net: fec: convert to ndo_hwtstamp_get() and ndo_hwtstamp_set()
>   net: fec: delete fec_ptp_disable_hwts()
>   net: sparx5: convert to ndo_hwtstamp_get() and ndo_hwtstamp_set()
>   net: lan966x: convert to ndo_hwtstamp_get() and ndo_hwtstamp_set()
>   net: remove phy_has_hwtstamp() -> phy_mii_ioctl() decision from
>     converted drivers
>
>  drivers/net/bonding/bond_main.c               | 105 ++++++----
>  drivers/net/ethernet/freescale/fec.h          |   6 +-
>  drivers/net/ethernet/freescale/fec_main.c     |  41 ++--
>  drivers/net/ethernet/freescale/fec_ptp.c      |  43 ++--
>  .../ethernet/microchip/lan966x/lan966x_main.c |  61 ++++--
>  .../ethernet/microchip/lan966x/lan966x_main.h |  12 +-
>  .../ethernet/microchip/lan966x/lan966x_ptp.c  |  34 ++--
>  .../ethernet/microchip/sparx5/sparx5_main.h   |   9 +-
>  .../ethernet/microchip/sparx5/sparx5_netdev.c |  35 +++-
>  .../ethernet/microchip/sparx5/sparx5_ptp.c    |  24 ++-
>  drivers/net/macvlan.c                         |  34 ++--
>  include/linux/net_tstamp.h                    |  28 +++
>  include/linux/netdevice.h                     |  25 +++
>  net/8021q/vlan_dev.c                          |  27 ++-
>  net/core/dev_ioctl.c                          | 183 +++++++++++++++++-
>  15 files changed, 480 insertions(+), 187 deletions(-)
>
> --
> 2.34.1
>

Vladimir, thank you for taking over and improving this patch stack!

I see you dropped the netdevsim patch:
https://www.spinics.net/lists/netdev/msg901378.html
Do you believe it's not useful any more since the rest of the
patches in the stack were tested through other means?