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:

quoted

From: Aharon Landau <redacted>

These fields declare which timestamp mode is supported by the device
per RQ/SQ/QP.

In addiition add the ts_format field to the select the mode for
RQ/SQ/QP.

Signed-off-by: Aharon Landau <redacted>
Signed-off-by: Maor Gottlieb <redacted>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>

We only got patch 1 which explains very little.

I will change my scripts to ensure that all people will be always CCed
on whole series.

https://lore.kernel.org/linux-rdma/20210209131107.698833-3-leon@kernel.org (local)

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.

https://github.com/linux-rdma/rdma-core/blob/master/libibverbs/man/ibv_create_cq_ex.3#L44

Thanks