diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5050218..47c49ba 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2827,6 +2827,7 @@
 int dev_change_carrier(struct net_device *, bool new_carrier);
 int dev_get_phys_port_id(struct net_device *dev,
 			 struct netdev_phys_port_id *ppid);
+struct sk_buff *validate_xmit_skb(struct sk_buff *skb, struct net_device *dev);
 int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
 			struct netdev_queue *txq);
 int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb);