> On Feb 09, 2017, at 16:33, Denny Page <dennyp...@me.com> wrote: > > >> 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.
Before anyone else asks, yes, I know this can be reduced. :)
