mac80211: add boilerplate code for start / stop NAN

This code doesn't do much besides allowing to start and
stop the vif.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 5296100..df9b5cf 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -3420,6 +3420,9 @@
  *	synchronization which is needed in case driver has in its RSS queues
  *	pending frames that were received prior to the control path action
  *	currently taken (e.g. disassociation) but are not processed yet.
+ *
+ * @start_nan: join an existing NAN cluster, or create a new one.
+ * @stop_nan: leave the NAN cluster.
  */
 struct ieee80211_ops {
 	void (*tx)(struct ieee80211_hw *hw,
@@ -3655,6 +3658,12 @@
 	void (*wake_tx_queue)(struct ieee80211_hw *hw,
 			      struct ieee80211_txq *txq);
 	void (*sync_rx_queues)(struct ieee80211_hw *hw);
+
+	int (*start_nan)(struct ieee80211_hw *hw,
+			 struct ieee80211_vif *vif,
+			 struct cfg80211_nan_conf *conf);
+	int (*stop_nan)(struct ieee80211_hw *hw,
+			struct ieee80211_vif *vif);
 };
 
 /**