[Intel-wired-lan] [PATCH v7 iwl-next 1/7] ice: introduce PTP state machine

[Pucha, HimasekharX Reddy]

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces at osuosl.org> On Behalf Of Karol Kolacinski
> Sent: Tuesday, January 23, 2024 4:21 PM
> To: intel-wired-lan at lists.osuosl.org
> Cc: Keller, Jacob E <jacob.e.keller at intel.com>; netdev at vger.kernel.org; Kolacinski, Karol <karol.kolacinski at intel.com>; Nguyen, Anthony L <anthony.l.nguyen at intel.com>; Brandeburg, Jesse <jesse.brandeburg at intel.com>
> Subject: [Intel-wired-lan] [PATCH v7 iwl-next 1/7] ice: introduce PTP state machine
>
> Add PTP state machine so that the driver can correctly identify PTP
> state around resets.
> When the driver got information about ungraceful reset, PTP was not
> prepared for reset and it returned error. When this situation occurs,
> prepare PTP before rebuilding its structures.
>
> Co-authored-by: Karol Kolacinski <karol.kolacinski at intel.com>
> Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>
> Signed-off-by: Karol Kolacinski <karol.kolacinski at intel.com>
> Reviewed-by: Jacob Keller <jacob.e.keller at intel.com>
> ---
> V5 -> V6: refactored prepare_for_reset() bit in ice_ptp_reset()
> V3 -> V4: removed merge conflict leftovers
> V2 -> V3: fixed Tx timestamps missing by moving ICE_PTP_READY before
>           ice_ptp_init_work()
>
>  drivers/net/ethernet/intel/ice/ice.h         |   1 -
>  drivers/net/ethernet/intel/ice/ice_ethtool.c |   2 +-
>  drivers/net/ethernet/intel/ice/ice_ptp.c     | 110 +++++++++++--------
>  drivers/net/ethernet/intel/ice/ice_ptp.h     |  10 ++
>  4 files changed, 74 insertions(+), 49 deletions(-)
>

Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha at intel.com> (A Contingent worker at Intel)