--- zzzz-none-000/linux-3.10.107/net/batman-adv/hard-interface.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/net/batman-adv/hard-interface.h	2021-02-04 17:41:59.000000000 +0000
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007-2013 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2007-2015 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
@@ -12,14 +12,23 @@
  * General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
 #define _NET_BATMAN_ADV_HARD_INTERFACE_H_
 
+#include "main.h"
+
+#include <linux/atomic.h>
+#include <linux/compiler.h>
+#include <linux/notifier.h>
+#include <linux/rcupdate.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+struct net_device;
+
 enum batadv_hard_if_state {
 	BATADV_IF_NOT_IN_USE,
 	BATADV_IF_TO_BE_REMOVED,
@@ -41,6 +50,8 @@
 
 extern struct notifier_block batadv_hard_if_notifier;
 
+bool batadv_is_wifi_netdev(struct net_device *net_device);
+bool batadv_is_wifi_iface(int ifindex);
 struct batadv_hard_iface*
 batadv_hardif_get_by_netdev(const struct net_device *net_dev);
 int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,
@@ -51,8 +62,12 @@
 int batadv_hardif_min_mtu(struct net_device *soft_iface);
 void batadv_update_min_mtu(struct net_device *soft_iface);
 void batadv_hardif_free_rcu(struct rcu_head *rcu);
-bool batadv_is_wifi_iface(int ifindex);
 
+/**
+ * batadv_hardif_free_ref - decrement the hard interface refcounter and
+ *  possibly free it
+ * @hard_iface: the hard interface to free
+ */
 static inline void
 batadv_hardif_free_ref(struct batadv_hard_iface *hard_iface)
 {