diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 2140aac..32b9dcd 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -101,6 +101,7 @@
 #define ETH_P_ECONET	0x0018		/* Acorn Econet			*/
 #define ETH_P_HDLC	0x0019		/* HDLC frames			*/
 #define ETH_P_ARCNET	0x001A		/* 1A for ArcNet :-)            */
+#define ETH_P_DSA	0x001B		/* Distributed Switch Arch.	*/
 #define ETH_P_PHONET	0x00F5		/* Nokia Phonet frames          */
 
 /*
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 794eeb4..97f0c64 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -42,6 +42,7 @@
 #include <linux/workqueue.h>
 
 #include <net/net_namespace.h>
+#include <net/dsa.h>
 
 struct vlan_group;
 struct ethtool_ops;
@@ -801,6 +802,16 @@
 #endif
 }
 
+static inline bool netdev_uses_dsa_tags(struct net_device *dev)
+{
+#ifdef CONFIG_NET_DSA_TAG_DSA
+	if (dev->dsa_ptr != NULL)
+		return dsa_uses_dsa_tags(dev->dsa_ptr);
+#endif
+
+	return 0;
+}
+
 /**
  *	netdev_priv - access network device private data
  *	@dev: network device