diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4a616d7..e679b27 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1131,6 +1131,8 @@
 
 extern void linkwatch_run_queue(void);
 
+extern int netdev_compute_features(unsigned long all, unsigned long one);
+
 static inline int net_gso_ok(int features, int gso_type)
 {
 	int feature = gso_type << NETIF_F_GSO_SHIFT;