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

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Message-ID: <f4193401-8f61-8f8d-a85c-e513e64e90fa@intel.com>
Date:   Thu, 13 Jul 2023 14:50:39 -0700
From:   Jacob Keller <jacob.e.keller@...el.com>
To:     Vladimir Oltean <vladimir.oltean@....com>, <netdev@...r.kernel.org>
CC:     "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>,
        Maxim Georgiev <glipus@...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>,
        "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 7/13/2023 5:18 AM, Vladimir Oltean 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.
> 

This series looks good to me, nice cleanup and reducing some boiler
plate code is excellent.

I'd like to convert the Intel drivers too, but I am not sure when I can
commit to doing that as I have a lot on my plate presently.

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>

> 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(-)
>