Re: [PATCH] ath10k: increase relay buffer size of spectral scan

[Kalle Valo <kvalo@qca.qualcomm.com>]

Peter Oh <poh@qca.qualcomm.com> writes:

> Spectral scan supported by ath10k has capability to monitor and report
> through whole bands and channels, but current buffer size is too small
> to save reported spectral scan data.
> This results in dropping 5G channel reports at all when dual band card
> is used, so that users are not able to analyze spectral environments.
> Hence increase the buffer size to fix the problem.
>
> A spectral data size is vary based on the number of bins, so the unit
> buffer size, 1140, is chose to minimize relay buffer fragmentation.
>
> The total buffer size is also chose in tradeoff with spectral scan
> support vs. kernel memory consumption.
> Since theoretical maximum buffer size, 9.5MB, can be consumed with
> 512 bins in dual bands, we target to cover up to 128 bins for all
> channels in dual bands and due to the buffer size limitation,
> spectral scan with bin number bigger than 128 needs to be run on
> single band each.
>
> Signed-off-by: Peter Oh <poh@qca.qualcomm.com>

Thanks, applied.

-- 
Kalle Valo