On 9/30/2021 5:05 PM, Andrew Rybchenko wrote:

All xstats names may be retrieved passing NULL ids.

If a driver does not support getting names by IDs, the callback should
return -ENOTSUP on attempt to use it. If so, the request is handled
on ethdev layer by getting all names and filtering out requested only.

Since '-ENOTSUP' has special meaning (request ethdev layer fallback), I think it
would be good to explicitly document this in the dev_ops comment.

Signed-off-by: Andrew Rybchenko <redacted>