[RFC PATCH] ethdev: add new API for enable/disable xstat counters by ID

[Stephen Hemminger]

On Mon, 23 Dec 2024 10:46:59 +0000
Shani Peretz <shperetz at nvidia.com> wrote:

> Sorry if it wasn't clear, in mlx5 there is limited number of counters, so if there are X counters and 2X queues, there won't be enough counters to get statistics for all queues at the same time.
> In this case we thought the best approach would be to allow the user to choose which queues they want statistics from.
> If the counters are exceeded, the user would have the option to disable the counter, thereby freeing up the resource for reuse elsewhere.
> 

Ok, other hardware may have same issue.
Why not do it per-queue (not the id stuff).

Kind of related to the existing queue stat counters that need rework.
The ixgbe has similar mapping problem.

Let's solve this once across multiple devices.