Re: [PATCH RFC net-next v1 0/6] ethtool HW timestamping statistics

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On Fri, 23 Feb, 2024 13:00:10 -0800 Jacob Keller <jacob.e.keller@xxxxxxxxx> wrote:
> On 2/23/2024 11:24 AM, Rahul Rameshbabu wrote:
>> The goal of this patch series is to introduce a common set of ethtool statistics
>> for hardware timestamping that a driver implementer can hook into. The
>> statistics counters added are based on what I believe are common
>> patterns/behaviors found across various hardware timestamping implementations
>> seen in the kernel tree today. The mlx5 family of devices is used as the PoC for
>> this patch series. Other vendors are more than welcome to chim in on this
>> series.
>> 
>> Statistics can be queried from either the DMA or PHY layers. I think this
>> concept of layer-based statistics selection and the general timestamping layer
>> selection work Kory Maincent is working on can be converged together [1].
>> 
>> [1] https://lore.kernel.org/netdev/20240216-feature_ptp_netnext-v8-0-510f42f444fb@xxxxxxxxxxx/
>> 
>
> Makes sense! I like this direction, I had meant to work on this for the
> Intel parts, but got sidetracked by other tasks.

I still have a back burner task for a cyclecounter API change you
suggested a while back.... Hoping to get to that after getting some
large features out of the way in the next two months.

--
Thanks,

Rahul Rameshbabu




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