Re: [Linuxptp-users] [LinuxPTP] Seeing SYNC without timestamp, DELAY_REQ without timestamp

[Richard C. <ric...@gm...>]

On Mon, Jun 14, 2021 at 11:17:18AM +0530, Karthick Gunasekaran via Linuxptp-users wrote:
> When trying ptp4l with hardware timestamp on a hw timestamp supported interface, the sync and delay request packets are being received without timestamp.
> 
> Linux version : 4.4.0-87-generic

That must be a distro kernel -- which distro?

> root@ptp-slave:~# ethtool -i enp1s0f0
> driver: i40e
> version: 2.15.9

Hm, did kernel 4.4 already have PTP support in the i40e?

Maybe this is a buggy back port?

Thanks,
Richard