netdev - [PATCH net-next v2 0/8] gve: Add Rx HW timestamping support

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Message-ID: <20250517001110.183077-1-hramamurthy@google.com>
Date: Sat, 17 May 2025 00:11:02 +0000
From: Harshitha Ramamurthy <hramamurthy@...gle.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, 
	pabeni@...hat.com, jeroendb@...gle.com, hramamurthy@...gle.com, 
	andrew+netdev@...n.ch, willemb@...gle.com, ziweixiao@...gle.com, 
	pkaligineedi@...gle.com, yyd@...gle.com, joshwash@...gle.com, 
	shailend@...gle.com, linux@...blig.org, thostet@...gle.com, 
	jfraker@...gle.com, richardcochran@...il.com, jdamato@...tly.com, 
	vadim.fedorenko@...ux.dev, horms@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next v2 0/8] gve: Add Rx HW timestamping support

From: Ziwei Xiao <ziweixiao@...gle.com>

This patch series add the support of Rx HW timestamping, which sends
adminq commands periodically to the device for clock synchronization with
the nic.

Changes:
v2:
  - add initial PTP device support to utilize the ptp's aux_work to
    schedule sending adminq commands periodically (Jakub Kicinski,
    Vadim Fedorenko)
  - add adminq lock patch into this patch series instead of sending out
    to net since it's only needed to resolve the conflicts between the
    upcoming PTP aux_work and the queue creation/destruction adminq
    commands (Jakub Kicinski)
  - add the missing READ_ONCE (Joe Damato)

Harshitha Ramamurthy (1):
  gve: Add initial PTP device support

John Fraker (5):
  gve: Add device option for nic clock synchronization
  gve: Add adminq command to report nic timestamp
  gve: Add rx hardware timestamp expansion
  gve: Add support for SIOC[GS]HWTSTAMP IOCTLs
  gve: Advertise support for rx hardware timestamping

Kevin Yang (1):
  gve: Add support to query the nic clock

Ziwei Xiao (1):
  gve: Add adminq lock for queues creation and destruction

 drivers/net/ethernet/google/Kconfig           |   1 +
 drivers/net/ethernet/google/gve/Makefile      |   4 +-
 drivers/net/ethernet/google/gve/gve.h         |  29 ++++
 drivers/net/ethernet/google/gve/gve_adminq.c  |  98 +++++++++++--
 drivers/net/ethernet/google/gve/gve_adminq.h  |  26 ++++
 .../net/ethernet/google/gve/gve_desc_dqo.h    |   3 +-
 drivers/net/ethernet/google/gve/gve_ethtool.c |  23 ++-
 drivers/net/ethernet/google/gve/gve_main.c    |  47 +++++++
 drivers/net/ethernet/google/gve/gve_ptp.c     | 132 ++++++++++++++++++
 drivers/net/ethernet/google/gve/gve_rx_dqo.c  |  26 ++++
 10 files changed, 373 insertions(+), 16 deletions(-)
 create mode 100644 drivers/net/ethernet/google/gve/gve_ptp.c

-- 
2.49.0.1112.g889b7c5bd8-goog