diff --git a/include/net.h b/include/net.h
index 3f6a5d1..a180881 100644
--- a/include/net.h
+++ b/include/net.h
@@ -105,6 +105,7 @@
 #ifdef CONFIG_MCAST_TFTP
 	int (*mcast) (struct eth_device*, u32 ip, u8 set);
 #endif
+	int  (*write_hwaddr) (struct eth_device*);
 	struct eth_device *next;
 	void *priv;
 };