Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

5 files changed, 36 insertions, 20 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index cfdc03f..efbbdc8 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2493,6 +2493,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
 	skb->dev = sdata->dev;
 
 	if (!need_offchan) {
+		*cookie = (unsigned long) skb;
 		ieee80211_tx_skb(sdata, skb);
 		ret = 0;
 		goto out_unlock;
@@ -2982,14 +2983,14 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
 	return 0;
 }
 
-static void ieee80211_set_monitor_enabled(struct wiphy *wiphy, bool enabled)
+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);
 
-	if (enabled)
-		WARN_ON(ieee80211_add_virtual_monitor(local));
-	else
-		ieee80211_del_virtual_monitor(local);
+	*type = local->_oper_channel_type;
+	return local->oper_channel;
 }
 
 #ifdef CONFIG_PM
@@ -3066,11 +3067,11 @@ struct cfg80211_ops mac80211_config_ops = {
 	.tdls_mgmt = ieee80211_tdls_mgmt,
 	.probe_client = ieee80211_probe_client,
 	.set_noack_map = ieee80211_set_noack_map,
-	.set_monitor_enabled = ieee80211_set_monitor_enabled,
 #ifdef CONFIG_PM
 	.set_wakeup = ieee80211_set_wakeup,
 #endif
 	.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,
 };
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 7998513..bb61f77 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1491,10 +1491,6 @@ int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
 int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
 				struct sk_buff *skb, bool need_basic);
 
-/* virtual monitor */
-int ieee80211_add_virtual_monitor(struct ieee80211_local *local);
-void ieee80211_del_virtual_monitor(struct ieee80211_local *local);
-
 /* channel management */
 enum ieee80211_chan_mode {
 	CHAN_MODE_UNDEFINED,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 334ee0f..bfb57dc 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -331,7 +331,7 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata)
 	sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE;
 }
 
-int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
+static int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
 {
 	struct ieee80211_sub_if_data *sdata;
 	int ret = 0;
@@ -377,7 +377,7 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local)
 	return ret;
 }
 
-void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
+static void ieee80211_del_virtual_monitor(struct ieee80211_local *local)
 {
 	struct ieee80211_sub_if_data *sdata;
 
@@ -497,6 +497,12 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
 			break;
 		}
 
+		if (local->monitors == 0 && local->open_count == 0) {
+			res = ieee80211_add_virtual_monitor(local);
+			if (res)
+				goto err_stop;
+		}
+
 		/* must be before the call to ieee80211_configure_filter */
 		local->monitors++;
 		if (local->monitors == 1) {
@@ -511,6 +517,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
 		break;
 	default:
 		if (coming_up) {
+			ieee80211_del_virtual_monitor(local);
+
 			res = drv_add_interface(local, sdata);
 			if (res)
 				goto err_stop;
@@ -745,6 +753,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 		if (local->monitors == 0) {
 			local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
 			hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
+			ieee80211_del_virtual_monitor(local);
 		}
 
 		ieee80211_adjust_monitor_flags(sdata, -1);
@@ -818,6 +827,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 		}
 	}
 	spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
+	if (local->monitors == local->open_count && local->monitors > 0)
+		ieee80211_add_virtual_monitor(local);
 }
 
 static int ieee80211_stop(struct net_device *dev)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index de4350f..cef0c9e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1360,6 +1360,17 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	}
 	mutex_unlock(&local->sta_mtx);
 
+	/*
+	 * if we want to get out of ps before disassoc (why?) we have
+	 * to do it before sending disassoc, as otherwise the null-packet
+	 * won't be valid.
+	 */
+	if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+		local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+	}
+	local->ps_sdata = NULL;
+
 	/* flush out any pending frame (e.g. DELBA) before deauth/disassoc */
 	if (tx)
 		drv_flush(local, false);
@@ -1395,12 +1406,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	del_timer_sync(&local->dynamic_ps_timer);
 	cancel_work_sync(&local->dynamic_ps_enable_work);
 
-	if (local->hw.conf.flags & IEEE80211_CONF_PS) {
-		local->hw.conf.flags &= ~IEEE80211_CONF_PS;
-		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
-	}
-	local->ps_sdata = NULL;
-
 	/* Disable ARP filtering */
 	if (sdata->vif.bss_conf.arp_filter_enabled) {
 		sdata->vif.bss_conf.arp_filter_enabled = false;
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 8c047fc..635c325 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -324,6 +324,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
 		container_of(work, struct ieee80211_roc_work, work.work);
 	struct ieee80211_sub_if_data *sdata = roc->sdata;
 	struct ieee80211_local *local = sdata->local;
+	bool started;
 
 	mutex_lock(&local->mtx);
 
@@ -366,9 +367,10 @@ void ieee80211_sw_roc_work(struct work_struct *work)
 		/* finish this ROC */
  finish:
 		list_del(&roc->list);
+		started = roc->started;
 		ieee80211_roc_notify_destroy(roc);
 
-		if (roc->started) {
+		if (started) {
 			drv_flush(local, false);
 
 			local->tmp_channel = NULL;
@@ -379,7 +381,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
 
 		ieee80211_recalc_idle(local);
 
-		if (roc->started)
+		if (started)
 			ieee80211_start_next_roc(local);
 	}