---

yaml
---
r: 158885
b: refs/heads/master
c: 8990646
h: refs/heads/master
i:
  158883: 00efe93
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9930380f0bd8405fa6a51d644f3de88c30666519
+refs/heads/master: 8990646d2fafeacfacba4a4b1073a4216662089a

trunk/include/net/cfg80211.h

@@ -1646,6 +1646,7 @@ int cfg80211_wext_siwtxpower(struct net_device *dev,
 int cfg80211_wext_giwtxpower(struct net_device *dev,
 			     struct iw_request_info *info,
 			     union iwreq_data *data, char *keybuf);
+struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev);
 
 int cfg80211_wext_siwpower(struct net_device *dev,
 			   struct iw_request_info *info,

trunk/net/mac80211/wext.c

@@ -165,73 +165,6 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
 }
 
 
-/* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
-static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct iw_statistics *wstats = &local->wstats;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct sta_info *sta = NULL;
-
-	rcu_read_lock();
-
-	if (sdata->vif.type == NL80211_IFTYPE_STATION)
-		sta = sta_info_get(local, sdata->u.mgd.bssid);
-
-	if (!sta) {
-		wstats->discard.fragment = 0;
-		wstats->discard.misc = 0;
-		wstats->qual.qual = 0;
-		wstats->qual.level = 0;
-		wstats->qual.noise = 0;
-		wstats->qual.updated = IW_QUAL_ALL_INVALID;
-	} else {
-		wstats->qual.updated = 0;
-		/*
-		 * mirror what cfg80211 does for iwrange/scan results,
-		 * otherwise userspace gets confused.
-		 */
-		if (local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC |
-				       IEEE80211_HW_SIGNAL_DBM)) {
-			wstats->qual.updated |= IW_QUAL_LEVEL_UPDATED;
-			wstats->qual.updated |= IW_QUAL_QUAL_UPDATED;
-		} else {
-			wstats->qual.updated |= IW_QUAL_LEVEL_INVALID;
-			wstats->qual.updated |= IW_QUAL_QUAL_INVALID;
-		}
-
-		if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) {
-			wstats->qual.level = sta->last_signal;
-			wstats->qual.qual = sta->last_signal;
-		} else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
-			int sig = sta->last_signal;
-
-			wstats->qual.updated |= IW_QUAL_DBM;
-			wstats->qual.level = sig;
-			if (sig < -110)
-				sig = -110;
-			else if (sig > -40)
-				sig = -40;
-			wstats->qual.qual = sig + 110;
-		}
-
-		if (local->hw.flags & IEEE80211_HW_NOISE_DBM) {
-			/*
-			 * This assumes that if driver reports noise, it also
-			 * reports signal in dBm.
-			 */
-			wstats->qual.noise = sta->last_noise;
-			wstats->qual.updated |= IW_QUAL_NOISE_UPDATED;
-		} else {
-			wstats->qual.updated |= IW_QUAL_NOISE_INVALID;
-		}
-	}
-
-	rcu_read_unlock();
-
-	return wstats;
-}
-
 /* Structures to export the Wireless Handlers */
 
 static const iw_handler ieee80211_handler[] =
@@ -298,5 +231,5 @@ const struct iw_handler_def ieee80211_iw_handler_def =
 {
 	.num_standard	= ARRAY_SIZE(ieee80211_handler),
 	.standard	= (iw_handler *) ieee80211_handler,
-	.get_wireless_stats = ieee80211_get_wireless_stats,
+	.get_wireless_stats = cfg80211_wireless_stats,
 };

trunk/net/wireless/wext-compat.c

@@ -1156,3 +1156,62 @@ int cfg80211_wext_giwrate(struct net_device *dev,
 	return 0;
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwrate);
+
+/* Get wireless statistics.  Called by /proc/net/wireless and by SIOCGIWSTATS */
+struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+	/* we are under RTNL - globally locked - so can use static structs */
+	static struct iw_statistics wstats;
+	static struct station_info sinfo;
+	u8 *addr;
+
+	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
+		return NULL;
+
+	if (!rdev->ops->get_station)
+		return NULL;
+
+	addr = wdev->wext.connect.bssid;
+	if (!addr)
+		return NULL;
+
+	if (rdev->ops->get_station(&rdev->wiphy, dev, addr, &sinfo))
+		return NULL;
+
+	memset(&wstats, 0, sizeof(wstats));
+
+	switch (rdev->wiphy.signal_type) {
+	case CFG80211_SIGNAL_TYPE_MBM:
+		if (sinfo.filled & STATION_INFO_SIGNAL) {
+			int sig = sinfo.signal;
+			wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
+			wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
+			wstats.qual.updated |= IW_QUAL_DBM;
+			wstats.qual.level = sig;
+			if (sig < -110)
+				sig = -110;
+			else if (sig > -40)
+				sig = -40;
+			wstats.qual.qual = sig + 110;
+			break;
+		}
+	case CFG80211_SIGNAL_TYPE_UNSPEC:
+		if (sinfo.filled & STATION_INFO_SIGNAL) {
+			wstats.qual.updated |= IW_QUAL_LEVEL_UPDATED;
+			wstats.qual.updated |= IW_QUAL_QUAL_UPDATED;
+			wstats.qual.level = sinfo.signal;
+			wstats.qual.qual = sinfo.signal;
+			break;
+		}
+	default:
+		wstats.qual.updated |= IW_QUAL_LEVEL_INVALID;
+		wstats.qual.updated |= IW_QUAL_QUAL_INVALID;
+	}
+
+	wstats.qual.updated |= IW_QUAL_NOISE_INVALID;
+
+	return &wstats;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);