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From: "Köry Maincent" <kory.maincent@bootlin.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Michael Walle <michael@walle.cc>,
	linux@armlinux.org.uk, davem@davemloft.net, f.fainelli@gmail.com,
	hkallweit1@gmail.com, kuba@kernel.org,
	maxime.chevallier@bootlin.com, netdev@vger.kernel.org,
	richardcochran@gmail.com, thomas.petazzoni@bootlin.com
Subject: Re: [PATCH RFC net-next] net: phy: add Marvell PHY PTP support [multicast/DSA issues]
Date: Fri, 3 Mar 2023 14:34:55 +0100	[thread overview]
Message-ID: <20230303143455.224462ea@kmaincent-XPS-13-7390> (raw)
In-Reply-To: <ZAH0FIrZL9Wf4gvp@lunn.ch>

On Fri, 3 Mar 2023 14:20:20 +0100
Andrew Lunn <andrew@lunn.ch> wrote:

> I'm not sure we are making much progress here...
> 
> Lets divide an conquer. As far as i can see we have the following bits
> of work to do:
> 
> 1) Kernel internal plumbing to allow multiple time stampers for one
> netdev. The PTP core probably needs to be the mux for all kAPI calls,
> and any internal calling between components. This might mean changes
> to all MAC drivers supporting PTP and time stampers. But i don't think
> there is anything too controversial here, just plumbing work.
> 
> 2) Some method to allow user space to control which time stamper is
> used. Either an extension of the existing IOCTL interface, or maybe
> ethtool. Depending on how ambitious we want to be, add a netlink API
> to eventually replace the IOCTL interface?

Isn't the patch series (with small revisions) from Richard sufficient for this
two points?
https://lkml.kernel.org/netdev/Y%2F0N4ZcUl8pG7awc@shell.armlinux.org.uk/

> 3) Add a device tree binding to control which time stamper is
> used. Probably a MAC property. Also probably not too controversial.
> 
> 4) Some solution to the default choice if there is no DT property.

And in cases of architectures which do not support DT how do we deal with it?

Regards,
Köry

  reply	other threads:[~2023-03-03 13:35 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14 16:26 [PATCH RFC net-next] net: phy: add Marvell PHY PTP support Russell King
2020-07-15 18:38 ` Andrew Lunn
2020-07-15 18:56   ` Russell King - ARM Linux admin
2020-07-16 11:33     ` Russell King - ARM Linux admin
2020-07-16 20:53       ` Richard Cochran
2020-07-16 20:48 ` Richard Cochran
2020-07-17  7:54   ` Kurt Kanzenbach
2020-07-18  2:24     ` Richard Cochran
2020-07-20 14:21       ` Richard Cochran
2020-07-20 14:37         ` Kurt Kanzenbach
2020-07-26 23:48 ` Russell King - ARM Linux admin
2020-07-29 10:58 ` Russell King - ARM Linux admin
2020-07-29 13:19   ` Richard Cochran
2020-07-29 13:28     ` Russell King - ARM Linux admin
2020-07-29 22:07       ` Russell King - ARM Linux admin
2020-07-29 22:53         ` Vladimir Oltean
2020-07-30 15:53         ` Richard Cochran
2020-07-30 18:38           ` Russell King - ARM Linux admin
2020-07-30 19:32             ` Richard Cochran
2020-07-30 19:44               ` Russell King - ARM Linux admin
2020-07-30 11:06     ` [PATCH RFC net-next] net: phy: add Marvell PHY PTP support [multicast/DSA issues] Russell King - ARM Linux admin
2020-07-30 11:54       ` Russell King - ARM Linux admin
2020-07-30 12:47         ` Russell King - ARM Linux admin
2023-02-27 14:40           ` Köry Maincent
2023-02-27 15:20             ` Russell King (Oracle)
2023-02-27 17:30               ` Köry Maincent
2023-02-27 17:42                 ` Russell King (Oracle)
2023-02-27 19:45               ` Richard Cochran
2023-02-27 20:09                 ` Russell King (Oracle)
2023-02-27 20:19                   ` Richard Cochran
2023-02-28 12:07                     ` Russell King (Oracle)
2023-02-28 13:16                       ` Köry Maincent
2023-02-28 13:36                         ` Russell King (Oracle)
2023-02-28 14:50                           ` Köry Maincent
2023-02-28 15:16                         ` Richard Cochran
2023-02-28 15:33                           ` Andrew Lunn
2023-02-28 21:13                             ` Richard Cochran
2023-02-28 16:27                           ` Russell King (Oracle)
2023-02-28 16:44                             ` Michael Walle
2023-02-28 16:58                               ` Russell King (Oracle)
2023-02-28 20:13                                 ` Michael Walle
2023-02-28 21:11                                   ` Richard Cochran
2023-02-28 21:24                             ` Richard Cochran
2023-02-28 22:26                             ` Jakub Kicinski
2023-02-28 22:40                               ` Russell King (Oracle)
2023-02-28 22:59                                 ` Jakub Kicinski
2023-03-01 16:04                                   ` Köry Maincent
2023-03-02  4:36                                     ` Richard Cochran
2023-03-02 11:49                                       ` Russell King (Oracle)
2023-03-02 16:49                                         ` Jakub Kicinski
2023-03-02 17:06                                           ` Köry Maincent
2023-03-02 17:23                                             ` Jakub Kicinski
2023-03-03 13:12                                               ` Köry Maincent
2023-03-03 23:28                                                 ` Jakub Kicinski
2023-03-02 17:26                                           ` Russell King (Oracle)
2023-03-03 10:20                                             ` Michael Walle
2023-03-03 13:20                                               ` Andrew Lunn
2023-03-03 13:34                                                 ` Köry Maincent [this message]
2023-03-03 13:59                                                   ` Andrew Lunn
2023-03-03 14:03                                                 ` Russell King (Oracle)
2023-03-03 16:34                                                   ` Andrew Lunn
2023-03-03 17:32                                                     ` Richard Cochran
2023-03-03 17:35                                                       ` Richard Cochran
2023-03-03 23:40                                                   ` Jakub Kicinski
2023-03-02 21:28                                           ` Richard Cochran
2023-03-02 21:19                                         ` Richard Cochran
2023-04-27 15:13               ` Köry Maincent
2023-04-27 16:50                 ` Andrew Lunn
2023-04-28  8:51                   ` Köry Maincent
2020-07-30 15:50         ` Richard Cochran
2020-07-31 14:41         ` Andrew Lunn
2023-03-02 10:37   ` [PATCH RFC net-next] net: phy: add Marvell PHY PTP support Köry Maincent
2023-03-02 17:38     ` Russell King (Oracle)
2023-03-02 21:35     ` Richard Cochran

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