diff --git a/include/net/ethernet.h b/include/net/ethernet.h
index 16f8eaa7662..a127c67c390 100644
--- a/include/net/ethernet.h
+++ b/include/net/ethernet.h
@@ -33,6 +33,19 @@
 
 #define ETHER_ADDR_LEN  6
 
+/* Ethernet protocol ID's */
+#define ETHERTYPE_PUP      0x0200    /* Xerox PUP */
+#define ETHERTYPE_SPRITE   0x0500    /* Sprite */
+#define ETHERTYPE_IP       0x0800    /* IP */
+#define ETHERTYPE_ARP      0x0806    /* Address resolution */
+#define ETHERTYPE_REVARP   0x8035    /* Reverse ARP */
+#define ETHERTYPE_AT       0x809B    /* AppleTalk protocol */
+#define ETHERTYPE_AARP     0x80F3    /* AppleTalk ARP */
+#define ETHERTYPE_VLAN     0x8100    /* IEEE 802.1Q VLAN tagging */
+#define ETHERTYPE_IPX      0x8137    /* IPX */
+#define ETHERTYPE_IPV6     0x86dd    /* IP protocol version 6 */
+#define ETHERTYPE_LOOPBACK 0x9000    /* used to test interfaces */
+
 /****************************************************************************
  * Public Type Definitions
  ****************************************************************************/
diff --git a/include/nuttx/net/ethernet.h b/include/nuttx/net/ethernet.h
index be995a14cb9..d35f4d0ac56 100644
--- a/include/nuttx/net/ethernet.h
+++ b/include/nuttx/net/ethernet.h
@@ -55,9 +55,9 @@
 
 /* Recognized values of the type bytes in the Ethernet header */
 
-#define ETHTYPE_ARP      0x0806 /* Address resolution protocol */
-#define ETHTYPE_IP       0x0800 /* IP protocol */
-#define ETHTYPE_IP6      0x86dd /* IP protocol version 6 */
+#define ETHTYPE_ARP      ETHERTYPE_ARP  /* Address resolution protocol */
+#define ETHTYPE_IP       ETHERTYPE_IP   /* IP protocol */
+#define ETHTYPE_IP6      ETHERTYPE_IPV6 /* IP protocol version 6 */
 
 /* Tag protocol identifier (TPID) of 0x8100 identifies the frame as an
  * IEEE 802.1Q-tagged frame.  This field is located at the same position as
@@ -65,7 +65,7 @@
  * distinguish the frame from untagged frames.
  */
 
-#define TPID_8021QVLAN   0x8100
+#define TPID_8021QVLAN   ETHERTYPE_VLAN
 
 /* These are some of the types associated with QVLAN tagged
  * Ethernet packets.