Commit 8ec6d978 authored Aug 28, 2015 by Johannes Berg

mac80211: fix driver RSSI event calculations



The ifmgd->ave_beacon_signal value cannot be taken as is for
comparisons, it must be divided by since it's represented
like that for better accuracy of the EWMA calculations. This
would lead to invalid driver RSSI events. Fix the used value.

Fixes: 615f7b9b ("mac80211: add driver RSSI threshold events")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 8e0d7fe0

net/mac80211/mlme.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3380,7 +3380,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,

		if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
		ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
		int sig = ifmgd->ave_beacon_signal;
		int sig = ifmgd->ave_beacon_signal / 16;
		int last_sig = ifmgd->last_ave_beacon_signal;
		struct ieee80211_event event = {
		.type = RSSI_EVENT,

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