diff --git a/ap/app/include/netapi.h b/ap/app/include/netapi.h
index 2db6114..6a8d149 100755
--- a/ap/app/include/netapi.h
+++ b/ap/app/include/netapi.h
@@ -323,6 +323,13 @@
 	char 	challenge[CHALLENGE_MAX];
 } pppd_auth;
 
+typedef union
+{
+    u_int8_t e8[8];
+    u_int16_t e16[4];
+    u_int32_t e32[2];
+} netapi_eui64_t;
+
 /*******************************************************************************
  *                       Global function declarations                          *
  ******************************************************************************/
@@ -451,6 +458,7 @@
 */
 void set_ethwan_port_mode(int mode);
 
+int netapi_ether_to_eui64(const char *dev_name, netapi_eui64_t *p_eui64);
 
 #endif