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Re: [PATCH 1/2] mac80211: use DECLARE_EWMA for mesh_fail_avg

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On Tue, 2017-02-14 at 12:27 -0800, Rajkumar Manoharan wrote:
> As moving average is not considering fractional part, it
> will stuck at the same level after certain state. For example
> with current values, moving average stuck at 96 and it will
> not move forward. Fortunately current threshold is matching
> against 95%. If thresold is increased more than 96, mesh path
> never be deactivated under worst case. Fix failure average
> movement by using EWMA helpers.

Thanks, applied.

> +DECLARE_EWMA(mesh_fail_avg, 64, 8)

Since we only feed in small values (0-100), I picked a much larger
factor (1<<20) to give more precision here.

johannes



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