On Thu, 18 Apr, 2024 01:24:48 -0400 Mateusz Polchlopek <[email protected]> wrote: > Initially, during VF creation it registers the PTP clock in > the system and negotiates with PF it's capabilities. In the > meantime the PF enables the Flexible Descriptor for VF. > Only this type of descriptor allows to receive Rx timestamps. > > Enabling virtual clock would be possible, though it would probably > perform poorly due to the lack of direct time access. > > Enable timestamping should be done using SIOCSHWTSTAMP ioctl, > e.g. > hwstamp_ctl -i $VF -r 14 > > In order to report the timestamps to userspace, the VF extends > timestamp to 40b. > > To support this feature the flexible descriptors and PTP part > in iavf driver have been introduced. > > ---
Just one general/cosmetic comment. It might make more sense for the Reviewed-by: trailer to come after the Signed-off-by: trailer, since the review happens after the patches have been written. -- Thanks, Rahul Rameshbabu
