On Tue, Jun 04, 2024 at 09:13:50AM -0400, Mateusz Polchlopek wrote: > From: Simei Su <simei...@intel.com> > > To support Rx timestamp offload, VIRTCHNL_OP_1588_PTP_CAPS is sent by > the VF to request PTP capability and responded by the PF what capability > is enabled for that VF. > > Hardware captures timestamps which contain only 32 bits of nominal > nanoseconds, as opposed to the 64bit timestamps that the stack expects. > To convert 32b to 64b, we need a current PHC time. > VIRTCHNL_OP_1588_PTP_GET_TIME is sent by the VF and responded by the > PF with the current PHC time. > > Signed-off-by: Simei Su <simei...@intel.com> > Reviewed-by: Wojciech Drewek <wojciech.dre...@intel.com> > Co-developed-by: Mateusz Polchlopek <mateusz.polchlo...@intel.com> > Signed-off-by: Mateusz Polchlopek <mateusz.polchlo...@intel.com>
Reviewed-by: Simon Horman <ho...@kernel.org>
