On Tue, 12 May 2026 00:53:47 +0000
Mark Blasko <[email protected]> wrote:

> This patch series introduces support for GVE hardware timestamping on DQO
> queues. To support concurrent access, a mutex lock is introduced to protect
> admin queue operations. A mechanism is then added to periodically synchronize
> the NIC clock via AdminQ, and support is introduced for the read_clock ethdev
> operation. Finally, the RX datapath is updated to reconstruct full 64-bit
> timestamps from the 32-bit values in DQO descriptors.
> 
> Mark Blasko (6):
>   net/gve: add thread safety to admin queue
>   net/gve: add device option support for HW timestamps
>   net/gve: add AdminQ command for NIC timestamps
>   net/gve: add periodic NIC clock synchronization
>   net/gve: support read clock ethdev op
>   net/gve: reconstruct HW timestamps from DQO
> 
>  .mailmap                               |   1 +
>  doc/guides/nics/features/gve.ini       |   1 +
>  doc/guides/nics/gve.rst                |  18 +++
>  doc/guides/rel_notes/release_26_07.rst |   3 +
>  drivers/net/gve/base/gve_adminq.c      | 127 +++++++++++++++++----
>  drivers/net/gve/base/gve_adminq.h      |  29 +++++
>  drivers/net/gve/base/gve_desc_dqo.h    |   8 +-
>  drivers/net/gve/gve_ethdev.c           | 148 ++++++++++++++++++++++++-
>  drivers/net/gve/gve_ethdev.h           |  39 +++++++
>  drivers/net/gve/gve_rx_dqo.c           |  26 +++++
>  10 files changed, 378 insertions(+), 22 deletions(-)
> 

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