Re: [Linuxptp-users] Is there any interface between ptp driver and linuxptp for controlling the ptp hardware?

[Takahiro S. <tsh...@gm...>]

Hello,


Yes, I agree. This makes sense as a workaround for testing.
> But I think we should do the following to be correct.
>
> driver:
>
>  switch (rx_filter) {
>  case HWTSTAMP_FILTER_PTP_V2_EVENT:
>      return ERANGE;
>  case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
>      SA = 01:00:5e:00:01:81;
>  case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
>      SA = 01:1b:19:00:00:00;
>  }
>
>
I see. I will do like the above in the next patch.


>  Also, the driver's Kconfig needs a statment that the hardware only
>  supports the end-to-end mechanism and that the peer-to-peer
>  mechanism is not supported.
>
>
OK.


> ptp4l:
>
>  try (HWTSTAMP_FILTER_PTP_V2_EVENT);
>  if (errno == ERANGE) {
>      if (transport_is_L2)
>          try (HWTSTAMP_FILTER_PTP_V2_L2_EVENT);
>      else
>          try (HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
>  }
>
>
Thank you very much.


> I will work on the ptp4l code. Can you please fix the driver?
>
> BTW David Miller already applied your first driver patches. So, you
> should submit any changes as patches on top of that.
>
>
I see. I will send the new patch in V.3.4-rc? window.

Thanks and Best regards,
Takahiro Shimizu