Reporting firmware stats to ethtool

[Kalle Valo]

Ben Greear <greearb at candelatech.com> writes:

> I'm working on a patch to report the stats seen in debugfs/...ath10k/fw_stats
> as ethtool stats, somewhat similar to how ath9k does it.
>
> I notice that my user-space tool is reporting huge numbers because
> the stats are reset to zero when firmware restarts, and so my tool
> thinks the stats wrapped.
>
> I can fix my tool easily enough, but I first wanted to see if
> anyone had strong feelings about keeping the stats from resetting
> to zero by storing history and calculating diffs in the driver.
>
> I think my preference is to punt this to user-space, but if
> someone feels otherwise, please let me know sooner than later.

I also prefer to have this in user space, but how does user space know
when the stats have been zeroed?

-- 
Kalle Valo