On Wed, 30 Jan 2019 11:34:25 +0100, Miroslav Lichvar wrote:
> Are there other vendors than Qulsar that do this? If it's a common
> issue, it might need to be specified. IIRC there are few other cases
> where the spec had to be adjusted to follow what existing HW was doing.
The Qulsar hardware violates the PTP spec and as such, they cannot claim
PTP support. If they do, it's false advertisement and it's a reason to
demand fix from the vendor and if they can't deliver a fix, have the
device refunded.
I don't see reason why linuxptp should put hacks in place to workaround
broken hardware that knowingly violates the spec. I don't even see a
reason why the standard should be changed to accommodate such hardware
with no real technical reasons ("we were lazy to implement the spec
correctly and we just decided to violate the spec" is hardly a reason).
Jiri
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