On Wed, Jun 14, 2023 at 11:48:11AM -0400, Dylan Robinson wrote:

> I don't think you are appreciating how low level this transport actually
> is, when a linuxptp instance sends a 44 byte sync message using the
> layer-2 transport a linuxptp receiver instance will always receive a
> 46 byte sync message (assuming this message goes on a wire). This is
> because the MAC sublayer will always append padding to meet the
> minFrameSize requirement of data rate of the physical layer.

You conflate two things:

Padding a frame to the minimum length is one thing.

Tacking on random proprietary cruft is quite another.

The former in no way justifies the latter.

Thanks,
Richard



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