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Date: Mon, 22 Apr 2024 14:50:15 +0200
From: Kory Maincent <kory.maincent@...tlin.com>
To: Florian Fainelli <florian.fainelli@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Richard Cochran <richardcochran@...il.com>,
Radu Pirea <radu-nicolae.pirea@....nxp.com>,
Jay Vosburgh <j.vosburgh@...il.com>, Andy Gospodarek <andy@...yhouse.net>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Claudiu Beznea <claudiu.beznea@...on.dev>,
Willem de Bruijn <willemdebruijn.kernel@...il.com>,
Jonathan Corbet <corbet@....net>,
Horatiu Vultur <horatiu.vultur@...rochip.com>, UNGLinuxDriver@...rochip.com,
Simon Horman <horms@...nel.org>, Vladimir Oltean <vladimir.oltean@....com>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
Maxime Chevallier <maxime.chevallier@...tlin.com>,
Rahul Rameshbabu <rrameshbabu@...dia.com>,
Kory Maincent <kory.maincent@...tlin.com>,
Willem de Bruijn <willemb@...gle.com>,
Alexandra Winter <wintera@...ux.ibm.com>
Subject: [PATCH net-next v11 00/13] net: Make timestamping selectable
Up until now, there was no way to let the user select the hardware
PTP provider at which time stamping occurs. The stack assumed that PHY time
stamping is always preferred, but some MAC/PHY combinations were buggy.
This series updates the default MAC/PHY default timestamping and aims to
allow the user to select the desired hwtstamp provider administratively.
Changes in v11:
- Add netlink examples.
- Remove a change of my out of tree marvell_ptp patch in the patch series.
- Remove useless extern.
- Link to v10: https://lore.kernel.org/r/20240409-feature_ptp_netnext-v10-0-0fa2ea5c89a9@bootlin.com
Changes in v10:
- Move declarations to net/core/dev.h instead of netdevice.h
- Add netlink documentation.
- Add ETHTOOL_A_TSINFO_GHWTSTAMP netlink attributes instead of a bit in
ETHTOOL_A_TSINFO_TIMESTAMPING bitset.
- Send "Move from simple ida to xarray" patch standalone.
- Add tsinfo ntf command.
- Add rcu_lock protection mechanism to avoid memory leak.
- Fixed doc and kdoc issue.
- Link to v9: https://lore.kernel.org/r/20240226-feature_ptp_netnext-v9-0-455611549f21@bootlin.com
Changes in v9:
- Remove the RFC prefix.
- Correct few NIT fixes.
- Link to v8: https://lore.kernel.org/r/20240216-feature_ptp_netnext-v8-0-510f42f444fb@bootlin.com
Changes in v8:
- Drop the 6 first patch as they are now merged.
- Change the full implementation to not be based on the hwtstamp layer
(MAC/PHY) but on the hwtstamp provider which mean a ptp clock and a
phc qualifier.
- Made some patch to prepare the new implementation.
- Expand netlink tsinfo instead of a new ts command for new hwtstamp
configuration uAPI and for dumping tsinfo of specific hwtstamp provider.
- Link to v7: https://lore.kernel.org/r/20231114-feature_ptp_netnext-v7-0-472e77951e40@bootlin.com
Changes in v7:
- Fix a temporary build error.
- Link to v6: https://lore.kernel.org/r/20231019-feature_ptp_netnext-v6-0-71affc27b0e5@bootlin.com
Changes in v6:
- Few fixes from the reviews.
- Replace the allowlist to default_timestamp flag to know which phy is
using old API behavior.
- Rename the timestamping layer enum values.
- Move to a simple enum instead of the mix between enum and bitfield.
- Update ts_info and ts-set in software timestamping case.
Changes in v5:
- Update to ndo_hwstamp_get/set. This bring several new patches.
- Add few patches to make the glue.
- Convert macb to ndo_hwstamp_get/set.
- Add netlink specs description of new ethtool commands.
- Removed netdev notifier.
- Split the patches that expose the timestamping to userspace to separate
the core and ethtool development.
- Add description of software timestamping.
- Convert PHYs hwtstamp callback to use kernel_hwtstamp_config.
Changes in v4:
- Move on to ethtool netlink instead of ioctl.
- Add a netdev notifier to allow packet trapping by the MAC in case of PHY
time stamping.
- Add a PHY whitelist to not break the old PHY default time-stamping
preference API.
Changes in v3:
- Expose the PTP choice to ethtool instead of sysfs.
You can test it with the ethtool source on branch feature_ptp of:
https://github.com/kmaincent/ethtool
- Added a devicetree binding to select the preferred timestamp.
Changes in v2:
- Move selected_timestamping_layer variable of the concerned patch.
- Use sysfs_streq instead of strmcmp.
- Use the PHY timestamp only if available.
Signed-off-by: Kory Maincent <kory.maincent@...tlin.com>
---
Kory Maincent (13):
net_tstamp: Add TIMESTAMPING SOFTWARE and HARDWARE mask
net: Move dev_set_hwtstamp_phylib to net/core/dev.h
net: Make dev_get_hwtstamp_phylib accessible
net: Make net_hwtstamp_validate accessible
net: Change the API of PHY default timestamp to MAC
net: net_tstamp: Add unspec field to hwtstamp_source enumeration
net: Add struct kernel_ethtool_ts_info
ptp: Add phc source and helpers to register specific PTP clock or get information
net: Add the possibility to support a selected hwtstamp in netdevice
net: netdevsim: ptp_mock: Convert to netdev_ptp_clock_register
net: macb: Convert to netdev_ptp_clock_register
net: ethtool: tsinfo: Add support for hwtstamp provider and get/set hwtstamp config
netlink: specs: tsinfo: Enhance netlink attributes and add a set command
Documentation/netlink/specs/ethtool.yaml | 43 +-
Documentation/networking/ethtool-netlink.rst | 38 +-
Documentation/networking/timestamping.rst | 35 +-
drivers/net/bonding/bond_main.c | 4 +-
drivers/net/can/dev/dev.c | 2 +-
drivers/net/can/peak_canfd/peak_canfd.c | 2 +-
drivers/net/can/usb/gs_usb.c | 2 +-
drivers/net/can/usb/peak_usb/pcan_usb_core.c | 2 +-
drivers/net/can/usb/peak_usb/pcan_usb_core.h | 2 +-
drivers/net/dsa/hirschmann/hellcreek_hwtstamp.c | 2 +-
drivers/net/dsa/hirschmann/hellcreek_hwtstamp.h | 2 +-
drivers/net/dsa/microchip/ksz_ptp.c | 2 +-
drivers/net/dsa/microchip/ksz_ptp.h | 2 +-
drivers/net/dsa/mv88e6xxx/hwtstamp.c | 2 +-
drivers/net/dsa/mv88e6xxx/hwtstamp.h | 4 +-
drivers/net/dsa/ocelot/felix.c | 2 +-
drivers/net/dsa/sja1105/sja1105_ptp.c | 2 +-
drivers/net/dsa/sja1105/sja1105_ptp.h | 2 +-
drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 2 +-
.../net/ethernet/aquantia/atlantic/aq_ethtool.c | 2 +-
.../net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 2 +-
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 2 +-
drivers/net/ethernet/broadcom/tg3.c | 2 +-
drivers/net/ethernet/cadence/macb.h | 2 +-
drivers/net/ethernet/cadence/macb_main.c | 4 +-
drivers/net/ethernet/cadence/macb_ptp.c | 2 +-
drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 2 +-
.../net/ethernet/cavium/thunder/nicvf_ethtool.c | 2 +-
drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c | 2 +-
drivers/net/ethernet/cisco/enic/enic_ethtool.c | 2 +-
drivers/net/ethernet/engleder/tsnep_ethtool.c | 2 +-
drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c | 2 +-
.../net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 2 +-
.../net/ethernet/freescale/enetc/enetc_ethtool.c | 2 +-
drivers/net/ethernet/freescale/fec_main.c | 2 +-
drivers/net/ethernet/freescale/gianfar_ethtool.c | 2 +-
.../net/ethernet/fungible/funeth/funeth_ethtool.c | 2 +-
drivers/net/ethernet/hisilicon/hns3/hnae3.h | 2 +-
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 2 +-
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c | 2 +-
.../net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.h | 2 +-
drivers/net/ethernet/intel/e1000e/ethtool.c | 2 +-
drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 2 +-
drivers/net/ethernet/intel/ice/ice_ethtool.c | 2 +-
drivers/net/ethernet/intel/igb/igb_ethtool.c | 2 +-
drivers/net/ethernet/intel/igc/igc_ethtool.c | 2 +-
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 2 +-
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 +-
.../ethernet/marvell/octeontx2/nic/otx2_ethtool.c | 2 +-
drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en.h | 2 +-
.../net/ethernet/mellanox/mlx5/core/en_ethtool.c | 4 +-
.../ethernet/mellanox/mlx5/core/ipoib/ethtool.c | 2 +-
drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 2 +-
.../net/ethernet/mellanox/mlxsw/spectrum_ethtool.c | 2 +-
drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c | 4 +-
drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h | 10 +-
drivers/net/ethernet/microchip/lan743x_ethtool.c | 2 +-
.../ethernet/microchip/lan966x/lan966x_ethtool.c | 2 +-
.../net/ethernet/microchip/sparx5/sparx5_ethtool.c | 2 +-
drivers/net/ethernet/mscc/ocelot_net.c | 2 +-
drivers/net/ethernet/mscc/ocelot_ptp.c | 2 +-
.../net/ethernet/pensando/ionic/ionic_ethtool.c | 2 +-
drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 2 +-
drivers/net/ethernet/qlogic/qede/qede_ptp.c | 2 +-
drivers/net/ethernet/qlogic/qede/qede_ptp.h | 2 +-
drivers/net/ethernet/renesas/ravb_main.c | 2 +-
drivers/net/ethernet/renesas/rswitch.c | 2 +-
drivers/net/ethernet/sfc/ethtool.c | 2 +-
drivers/net/ethernet/sfc/falcon/nic.h | 2 +-
drivers/net/ethernet/sfc/ptp.c | 2 +-
drivers/net/ethernet/sfc/ptp.h | 5 +-
drivers/net/ethernet/sfc/siena/ethtool.c | 2 +-
drivers/net/ethernet/sfc/siena/ptp.c | 2 +-
drivers/net/ethernet/sfc/siena/ptp.h | 4 +-
.../net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 2 +-
drivers/net/ethernet/ti/am65-cpsw-ethtool.c | 2 +-
drivers/net/ethernet/ti/cpsw_ethtool.c | 4 +-
drivers/net/ethernet/ti/cpsw_priv.h | 2 +-
drivers/net/ethernet/ti/icssg/icssg_ethtool.c | 2 +-
drivers/net/ethernet/ti/netcp_ethss.c | 4 +-
drivers/net/ethernet/xscale/ixp4xx_eth.c | 2 +-
drivers/net/macvlan.c | 2 +-
drivers/net/netdevsim/ethtool.c | 2 +-
drivers/net/netdevsim/netdev.c | 19 +-
drivers/net/phy/bcm-phy-ptp.c | 5 +-
drivers/net/phy/dp83640.c | 4 +-
drivers/net/phy/micrel.c | 10 +-
drivers/net/phy/mscc/mscc_ptp.c | 5 +-
drivers/net/phy/nxp-c45-tja11xx.c | 5 +-
drivers/net/phy/phy_device.c | 11 +
drivers/ptp/ptp_clock.c | 182 ++++++
drivers/ptp/ptp_ines.c | 2 +-
drivers/ptp/ptp_mock.c | 4 +-
drivers/ptp/ptp_private.h | 5 +
drivers/s390/net/qeth_ethtool.c | 2 +-
include/linux/can/dev.h | 2 +-
include/linux/ethtool.h | 29 +-
include/linux/mii_timestamper.h | 2 +-
include/linux/net_tstamp.h | 16 +
include/linux/netdevice.h | 8 +-
include/linux/phy.h | 19 +-
include/linux/ptp_clock_kernel.h | 151 +++++
include/linux/ptp_mock.h | 4 +-
include/net/dsa.h | 2 +-
include/soc/mscc/ocelot.h | 2 +-
include/uapi/linux/ethtool_netlink.h | 14 +
include/uapi/linux/net_tstamp.h | 11 +
net/8021q/vlan_dev.c | 2 +-
net/core/dev.h | 7 +
net/core/dev_ioctl.c | 56 +-
net/core/timestamping.c | 49 +-
net/dsa/user.c | 2 +-
net/ethtool/common.c | 40 +-
net/ethtool/common.h | 5 +-
net/ethtool/ioctl.c | 12 +-
net/ethtool/netlink.c | 16 +-
net/ethtool/netlink.h | 6 +-
net/ethtool/tsinfo.c | 641 ++++++++++++++++++++-
net/sched/sch_taprio.c | 2 +-
120 files changed, 1462 insertions(+), 195 deletions(-)
---
base-commit: c4567f2b476f9fc2816f619b4a78ec656a92f2a5
change-id: 20231011-feature_ptp_netnext-3f278578e84b
Best regards,
--
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com
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