cfg80211/nl80211: introduce p2p device types

This adds P2P-STA and P2P-GO as device types so
we can distinguish between those and normal STA
or AP (respectively) type interfaces.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 31603e8..f0518b0 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1020,6 +1020,8 @@
  * @NL80211_IFTYPE_WDS: wireless distribution interface
  * @NL80211_IFTYPE_MONITOR: monitor interface receiving all frames
  * @NL80211_IFTYPE_MESH_POINT: mesh point
+ * @NL80211_IFTYPE_P2P_CLIENT: P2P client
+ * @NL80211_IFTYPE_P2P_GO: P2P group owner
  * @NL80211_IFTYPE_MAX: highest interface type number currently defined
  * @NUM_NL80211_IFTYPES: number of defined interface types
  *
@@ -1036,6 +1038,8 @@
 	NL80211_IFTYPE_WDS,
 	NL80211_IFTYPE_MONITOR,
 	NL80211_IFTYPE_MESH_POINT,
+	NL80211_IFTYPE_P2P_CLIENT,
+	NL80211_IFTYPE_P2P_GO,
 
 	/* keep last */
 	NUM_NL80211_IFTYPES,