> On Feb 09, 2017, at 11:42, sdncurious <sdncuri...@gmail.com> wrote: > > I am still at a loss as to why transpose is required in case of HW > time stamping. If STF is used for both Tx and Rx time stamping the > timing is absolutely correct.
Perhaps this will help. The specific transposition is: transposed_timestamp_ns = timestamp_ns + (frame_len_bits * 1000000000) / (interface_speed * 1000000) The transposition is applied to received timestamps only. Denny
