Commit 4971063a authored May 28, 2020 by Johannes Berg Committed by Gerrit - the friendly Code Review server Nov 16, 2020

cfg80211: add a helper to identify 6 GHz PSCs

This allows identifying whether or not a channel is a PSC
(preferred scanning channel).

Link: https://lore.kernel.org/r/20200528213443.414363ecf62c.Ic15e681a0e249eab7350a06ceb582cca8bb9a080@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: afbc9c9e8bfe71e8bd12a8c01bedd969fbab8f0e
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git


CRs-Fixed: 2743684
Change-Id: Idfaa06479f9812bd1243c06f257b3253e83c8134
Signed-off-by: Vinita S. Maloo <vmaloo@codeaurora.org>

parent caa449d9

include/net/cfg80211.h

+15 −0

Original line number	Diff line number	Diff line
		@@ -4734,6 +4734,21 @@ ieee80211_get_channel(struct wiphy *wiphy, int freq)
		return ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(freq));
		}

		/**
		* cfg80211_channel_is_psc - Check if the channel is a 6 GHz PSC
		* @chan: control channel to check
		*
		* The Preferred Scanning Channels (PSC) are defined in
		* Draft IEEE P802.11ax/D5.0, 26.17.2.3.3
		*/
		static inline bool cfg80211_channel_is_psc(struct ieee80211_channel *chan)
		{
		if (chan->band != NL80211_BAND_6GHZ)
		return false;

		return ieee80211_frequency_to_channel(chan->center_freq) % 16 == 5;
		}

		/**
		* ieee80211_get_response_rate - get basic rate for a given rate
		*