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From: Jakub Kicinski <kuba@kernel.org>
To: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: "Köry Maincent" <kory.maincent@bootlin.com>,
	"Florian Fainelli" <florian.fainelli@broadcom.com>,
	"Broadcom internal kernel review list"
	<bcm-kernel-feedback-list@broadcom.com>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Heiner Kallweit" <hkallweit1@gmail.com>,
	"Russell King" <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Richard Cochran" <richardcochran@gmail.com>,
	"Radu Pirea" <radu-nicolae.pirea@oss.nxp.com>,
	"Jay Vosburgh" <j.vosburgh@gmail.com>,
	"Andy Gospodarek" <andy@greyhouse.net>,
	"Nicolas Ferre" <nicolas.ferre@microchip.com>,
	"Claudiu Beznea" <claudiu.beznea@tuxon.dev>,
	"Willem de Bruijn" <willemdebruijn.kernel@gmail.com>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Horatiu Vultur" <horatiu.vultur@microchip.com>,
	UNGLinuxDriver@microchip.com, "Simon Horman" <horms@kernel.org>,
	"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org,
	"Maxime Chevallier" <maxime.chevallier@bootlin.com>
Subject: Re: [PATCH net-next v7 15/16] net: ethtool: ts: Let the active time stamping layer be selectable
Date: Mon, 20 Nov 2023 09:37:23 -0800	[thread overview]
Message-ID: <20231120093723.4d88fb2a@kernel.org> (raw)
In-Reply-To: <20231120142316.d2emoaqeej2pg4s3@skbuf>

On Mon, 20 Nov 2023 16:23:16 +0200 Vladimir Oltean wrote:
> In previous email discussions, I was proposing to Jakub and you "what if
> we didn't let user space select a specific layer like PHY_TIMESTAMPING
> or MAC_TIMESTAMPING at all, but just select a specific phc_index as the
> provider of hardware timestamps"?

What about my use case of having a NIC which can stamp at a low rate
at the PHY (for PTP) and high rate at the DMA block (for congestion
control)? Both stamp points have the same PHC index.

  parent reply	other threads:[~2023-11-20 17:37 UTC|newest]

Thread overview: 79+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-14 11:28 [PATCH net-next v7 00/16] net: Make timestamping selectable Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 01/16] net: Convert PHYs hwtstamp callback to use kernel_hwtstamp_config Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 02/16] net: phy: Remove the call to phy_mii_ioctl in phy_hwstamp_get/set Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 03/16] net: ethtool: Refactor identical get_ts_info implementations Köry Maincent
2023-11-14 11:28 ` [PATCH net-next v7 04/16] net: macb: Convert to ndo_hwtstamp_get() and ndo_hwtstamp_set() Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 05/16] net: Make dev_set_hwtstamp_phylib accessible Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 06/16] net: phy: micrel: fix ts_info value in case of no phc Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 07/16] net_tstamp: Add TIMESTAMPING SOFTWARE and HARDWARE mask Kory Maincent
2023-11-14 15:52   ` Willem de Bruijn
2023-11-19  2:22   ` Jakub Kicinski
2023-11-20  9:05     ` Köry Maincent
2023-11-20 16:48       ` Jakub Kicinski
2023-11-20 16:51         ` Willem de Bruijn
2023-11-14 11:28 ` [PATCH net-next v7 08/16] net: ethtool: Add a command to expose current time stamping layer Kory Maincent
2023-11-19  2:24   ` Jakub Kicinski
2023-11-20  9:17     ` Köry Maincent
2023-11-20 10:40       ` Köry Maincent
2023-11-14 11:28 ` [PATCH net-next v7 09/16] netlink: specs: Introduce new netlink command to get current timestamp Kory Maincent
2023-11-19  2:25   ` Jakub Kicinski
2023-11-14 11:28 ` [PATCH net-next v7 10/16] net: ethtool: Add a command to list available time stamping layers Kory Maincent
2023-11-19  2:26   ` Jakub Kicinski
2023-11-14 11:28 ` [PATCH net-next v7 11/16] netlink: specs: Introduce new netlink " Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 12/16] net: Replace hwtstamp_source by timestamping layer Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 13/16] net: Change the API of PHY default timestamp to MAC Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 14/16] net: ethtool: ts: Update GET_TS to reply the current selected timestamp Kory Maincent
2023-11-14 11:28 ` [PATCH net-next v7 15/16] net: ethtool: ts: Let the active time stamping layer be selectable Kory Maincent
2023-11-19  2:34   ` Jakub Kicinski
2023-11-20  9:44     ` Köry Maincent
2023-11-20 10:52       ` Vladimir Oltean
2023-11-20 11:14         ` Köry Maincent
2023-11-20 12:06           ` Vladimir Oltean
2023-11-20 13:49             ` Köry Maincent
2023-11-20 14:23               ` Vladimir Oltean
2023-11-20 14:53                 ` Köry Maincent
2023-11-20 16:10                   ` Vladimir Oltean
2023-11-20 17:17                     ` Köry Maincent
2023-11-20 17:37                 ` Jakub Kicinski [this message]
2023-11-20 18:39                   ` Andrew Lunn
2023-11-20 18:51                     ` Jakub Kicinski
2023-11-20 19:58                       ` Vladimir Oltean
2023-11-20 21:45                         ` Jakub Kicinski
2023-11-29 20:09                           ` Köry Maincent
2023-11-29 20:37                             ` Vladimir Oltean
2023-11-29 22:00                               ` Köry Maincent
2023-11-29 23:56                                 ` Jakub Kicinski
2023-11-30  0:06                                   ` Rahul Rameshbabu
2023-11-20 19:09                     ` Russell King (Oracle)
2023-11-20 19:00                   ` Vladimir Oltean
2023-11-20 19:58                     ` Jakub Kicinski
2023-11-20 21:17                       ` Vladimir Oltean
2023-11-20 21:37                         ` Jakub Kicinski
2023-11-20 22:05                           ` Vladimir Oltean
2023-11-21 17:31                             ` Köry Maincent
2023-11-21 17:43                               ` Jakub Kicinski
2023-11-22 13:44                                 ` Köry Maincent
2023-11-22 14:08                                   ` Vladimir Oltean
2023-11-22 14:19                                     ` Vladimir Oltean
2023-11-22 14:36                                     ` Vladimir Oltean
2023-11-22 16:54                                       ` Jakub Kicinski
2023-11-22 16:59                                         ` Vladimir Oltean
2023-11-22 17:55                                           ` Jakub Kicinski
2023-11-22 18:11                                             ` Willem de Bruijn
2023-11-24 17:27                                               ` Vladimir Oltean
2023-11-24 19:45                                                 ` Willem de Bruijn
2023-11-25 19:41                                                   ` Richard Cochran
2023-11-22 14:57                                     ` Köry Maincent
2023-11-22 16:50                                     ` Jakub Kicinski
2023-11-22 16:55                                       ` Vladimir Oltean
2023-11-22 18:01                                         ` Jakub Kicinski
2023-11-23 15:00                                           ` Köry Maincent
2023-11-23 17:32                                             ` Jakub Kicinski
2023-11-24 15:43                                               ` Vladimir Oltean
2023-11-24 17:34                                                 ` Köry Maincent
2023-11-24 19:57                                                   ` Vladimir Oltean
2023-11-24 20:47                                                   ` Willem de Bruijn
2023-11-21 23:40                               ` Richard Cochran
2023-11-14 11:28 ` [PATCH net-next v7 16/16] netlink: specs: Introduce time stamping set command Kory Maincent
2023-11-18 15:10 ` [PATCH net-next v7 00/16] net: Make timestamping selectable patchwork-bot+netdevbpf
2023-11-19  2:35   ` Jakub Kicinski

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