On Tue, Sep 28, 2021 at 08:09:48PM +0800, 廖書華 wrote: > I'm curious about is that for the HW timestamping, *"**all > (HWTSTAMP_FILTER_ALL)" *is the mandatory option that the NICs need to > support ?
No, it is not mandatory. If you have HWTSTAMP_FILTER_PTP_V2_EVENT that should work. I don't know why your setup does not work. I would try a recent mainline stable kernel. Forget the vendor kernel if you have one. Good luck, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
