[PATCH 4/9] cfg80211: add definition for 6G power spectral density(psd)

[Johannes Berg]

On Mon, 2021-05-17 at 16:19 -0400, Wen Gong wrote:
> 
> + * @IEEE80211_CHAN_PSD: power spectral density (in dBm)
> + *	on this channel.

Do we need that? Which really is just another way of asking

> + * @psd: power spectral density (in dBm)

whether or not 0 is a valid value for this?

> +++ b/include/uapi/linux/nl80211.h
> @@ -4040,6 +4040,7 @@ enum nl80211_sched_scan_match_attr {
>   * @NL80211_RRF_NO_80MHZ: 80MHz operation not allowed
>   * @NL80211_RRF_NO_160MHZ: 160MHz operation not allowed
>   * @NL80211_RRF_NO_HE: HE operation not allowed
> + * @NL80211_RRF_PSD: channels has power spectral density value

It doesn't seem like we need this, after all, there must be some kind of
attribute for the PSD, and then its presence/absence already indicates
this?

johannes