On Thu, Oct 22, 2020 at 02:39:35AM +0300, Vladimir Oltean wrote: > So how _does_ that work for TI PHYTER? > > As far as we understand, the PHYTER appears to autonomously mangle PTP packets > in the following way: > - subtracting t2 on RX from the correctionField of the Pdelay_Req > - adding t3 on TX to the correctionField of the Pdelay_Resp The Phyter does not support peer-to-peer one step. The only driver that implements it is ptp_ines.c. And *that* driver/HW implements it correctly. Thanks, Richard