---

yaml
---
r: 315575
b: refs/heads/master
c: 5b7ccaf
h: refs/heads/master
i:
  315573: a7207df
  315571: 54ec2e6
  315567: b0c635a
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 075e08477d51709ae1998a05c35aadf59ef823b9
+refs/heads/master: 5b7ccaf3fc7446e42b83a77fd7aa7ad92850acdd

trunk/include/net/cfg80211.h

@@ -1612,6 +1612,10 @@ struct cfg80211_gtk_rekey_data {
  * @get_et_strings:  Ethtool API to get a set of strings to describe stats
  *	and perhaps other supported types of ethtool data-sets.
  *	See @ethtool_ops.get_strings
+ *
+ * @get_channel: Get the current operating channel for the virtual interface.
+ *	For monitor interfaces, it should return %NULL unless there's a single
+ *	current monitoring channel.
  */
 struct cfg80211_ops {
 	int	(*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -1821,6 +1825,11 @@ struct cfg80211_ops {
 				  u32 sset, u8 *data);
 
 	void (*set_monitor_enabled)(struct wiphy *wiphy, bool enabled);
+
+	struct ieee80211_channel *
+		(*get_channel)(struct wiphy *wiphy,
+			       struct wireless_dev *wdev,
+			       enum nl80211_channel_type *type);
 };
 
 /*

trunk/net/mac80211/cfg.c

@@ -2982,6 +2982,16 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
 	return 0;
 }
 
+static struct ieee80211_channel *
+ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
+			  enum nl80211_channel_type *type)
+{
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+
+	*type = local->_oper_channel_type;
+	return local->oper_channel;
+}
+
 #ifdef CONFIG_PM
 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
 {
@@ -3062,4 +3072,5 @@ struct cfg80211_ops mac80211_config_ops = {
 	.get_et_sset_count = ieee80211_get_et_sset_count,
 	.get_et_stats = ieee80211_get_et_stats,
 	.get_et_strings = ieee80211_get_et_strings,
+	.get_channel = ieee80211_cfg_get_channel,
 };

trunk/net/wireless/nl80211.c

@@ -1759,11 +1759,17 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 			(cfg80211_rdev_list_generation << 2)))
 		goto nla_put_failure;
 
-	if (rdev->monitor_channel) {
-		if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
-				rdev->monitor_channel->center_freq) ||
-		    nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
-				rdev->monitor_channel_type))
+	if (rdev->ops->get_channel) {
+		struct ieee80211_channel *chan;
+		enum nl80211_channel_type channel_type;
+
+		chan = rdev->ops->get_channel(&rdev->wiphy, wdev,
+					      &channel_type);
+		if (chan &&
+		    (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
+				 chan->center_freq) ||
+		     nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+				 channel_type)))
 			goto nla_put_failure;
 	}
 

trunk/net/wireless/wext-compat.c

@@ -827,17 +827,22 @@ static int cfg80211_wext_giwfreq(struct net_device *dev,
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+	struct ieee80211_channel *chan;
+	enum nl80211_channel_type channel_type;
 
 	switch (wdev->iftype) {
 	case NL80211_IFTYPE_STATION:
 		return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
 	case NL80211_IFTYPE_ADHOC:
 		return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
 	case NL80211_IFTYPE_MONITOR:
-		if (!rdev->monitor_channel)
+		if (!rdev->ops->get_channel)
 			return -EINVAL;
 
-		freq->m = rdev->monitor_channel->center_freq;
+		chan = rdev->ops->get_channel(wdev->wiphy, wdev, &channel_type);
+		if (!chan)
+			return -EINVAL;
+		freq->m = chan->center_freq;
 		freq->e = 6;
 		return 0;
 	default: