--- /dev/null
+--- a/include/linux/netlink.h
++++ b/include/linux/netlink.h
+@@ -1,6 +1,8 @@
+ #ifndef __LINUX_NETLINK_H
+ #define __LINUX_NETLINK_H
+
++#include <linux/types.h>
++
+ #define NETLINK_ROUTE 0 /* Routing/device hook */
+ #define NETLINK_SKIP 1 /* Reserved for ENskip */
+ #define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */