diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 1db774cf9dc2f9526bc4497bdd74a9eecb73c005..3213f6f4aa580972f154a7d21791711d0d0e3eb9 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -33,6 +33,7 @@
 #define ETH_ZLEN	60		/* Min. octets in frame sans FCS */
 #define ETH_DATA_LEN	1500		/* Max. octets in payload	 */
 #define ETH_FRAME_LEN	1514		/* Max. octets in frame sans FCS */
+#define ETH_FCS_LEN	4		/* Octets in the FCS		 */
 
 /*
  *	These are the defined Ethernet Protocol ID's.