Re: [Linuxptp-users] ioctl SIOCSHWTSTAMP failed: Operation not supported

[Miroslav L. <mli...@re...>]

On Fri, Jul 22, 2022 at 10:46:33PM +0200, Mohammad wrote:
>    i am using patched ath9k driver to run wiFi-ptp
> 
>    linuxptp works with Software timestaming but with Hardware timestamping it
>    Shows this error.
> 
> 
> 
>    ptp4l[121.996]: ioctl SIOCSHWTSTAMP failed: Operation not supported

It's probably a bug in the patch that it presents both the SW and HW
timestamping capability.

But as was discussed in the previous thread, PTP over SW-timestamped
wifi will not work well.

-- 
Miroslav Lichvar