From 804483e90794256f9ed53e795ffbf1e94de237c8 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 5 Mar 2012 22:18:41 +0100
Subject: cfg80211/mac80211: report signal strength for mgmt frames

Add the signal strength (in dBm only for now) to
frames that are received via nl80211's various
frame APIs.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rx.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'net/mac80211/rx.c')

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 10bbbd33b31..5f6e32ca085 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2188,9 +2188,14 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx)
 	if (rx->sdata->vif.type == NL80211_IFTYPE_AP &&
 	    ieee80211_is_beacon(mgmt->frame_control) &&
 	    !(rx->flags & IEEE80211_RX_BEACON_REPORTED)) {
+		int sig = 0;
+
+		if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+			sig = status->signal;
+
 		cfg80211_report_obss_beacon(rx->local->hw.wiphy,
 					    rx->skb->data, rx->skb->len,
-					    status->freq, GFP_ATOMIC);
+					    status->freq, sig, GFP_ATOMIC);
 		rx->flags |= IEEE80211_RX_BEACON_REPORTED;
 	}
 
@@ -2414,6 +2419,7 @@ static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
 {
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
+	int sig = 0;
 
 	/* skip known-bad action frames and return them in the next handler */
 	if (status->rx_flags & IEEE80211_RX_MALFORMED_ACTION_FRM)
@@ -2426,7 +2432,10 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
 	 * it transmitted were processed or returned.
 	 */
 
-	if (cfg80211_rx_mgmt(rx->sdata->dev, status->freq,
+	if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
+		sig = status->signal;
+
+	if (cfg80211_rx_mgmt(rx->sdata->dev, status->freq, sig,
 			     rx->skb->data, rx->skb->len,
 			     GFP_ATOMIC)) {
 		if (rx->sta)
-- 
cgit v1.2.3-18-g5258