Re: [Linuxptp-devel] [PATCH v2] Add support for DELAY_REQ and SYNC packets RX filters

[IlorDash <ilo...@gm...>]

Thanks, Richard, for such a detailed answer!
I'll try to find another solution to handle it.

On Sun, 26 Nov 2023 at 22:10, Richard Cochran <ric...@gm...>
wrote:

> On Sun, Nov 26, 2023 at 01:38:15PM +0300, IlorDash wrote:
> > Could you, please, explain why you think my hardware is broken? I
> thought,
> > since SYNC and DELAY_REQ filters are defined in Linux, ptp4l can use them
> > to set type-specific hardware filters.
>
> Here is another reason why:
>
> The Rx filters are applied globally at the device level, but the PTP
> operates at the application level.  This means that the Rx filter are
> shared between applications.  And so you can see that one application
> cannot simply change the shared global settings at run time.
>
> For example, multiple ptp4l instances running different PTP Domains on
> the same network interface using virtual PHCs will have different port
> roles at the same time.
>
> Thanks,
> Richard
>


-- 
Best regards,
Ilya Orazov