On Tue, 9 Feb 2021 21:14:24 +0200 Leon Romanovsky wrote: > On Tue, Feb 09, 2021 at 10:28:25AM -0800, Jakub Kicinski wrote: > > On Tue, 9 Feb 2021 15:11:06 +0200 Leon Romanovsky wrote: > > You also need to CC Richard. > > We are not talking about PTP, but about specific to RDMA timestamp mechanism > which is added to the CQE (completion queue entry) per-user request when > he/she creates CQ (completion queue). User has an option to choose the format > of it for every QP/RQ/SQ. I see. Perhaps Richard won't be interested then but best to give him a chance. Not directly related to series at hand but how is the clock synchronized between system and device for the real time option?