Index: uspace/lib/c/include/inet/iplink.h
===================================================================
--- uspace/lib/c/include/inet/iplink.h	(revision e5424e9c9ff4b025227b44586f4b079542090d74)
+++ uspace/lib/c/include/inet/iplink.h	(revision c3b25985a33ea9ae992d45cc6df7c7a892242e79)
@@ -78,4 +78,5 @@
 typedef struct iplink_ev_ops {
 	int (*recv)(iplink_t *, iplink_recv_sdu_t *, ip_ver_t);
+	int (*change_addr)(iplink_t *, addr48_t);
 } iplink_ev_ops_t;
 
@@ -88,4 +89,5 @@
 extern int iplink_get_mtu(iplink_t *, size_t *);
 extern int iplink_get_mac48(iplink_t *, addr48_t *);
+extern int iplink_set_mac48(iplink_t *, addr48_t);
 
 #endif
Index: uspace/lib/c/include/inet/iplink_srv.h
===================================================================
--- uspace/lib/c/include/inet/iplink_srv.h	(revision e5424e9c9ff4b025227b44586f4b079542090d74)
+++ uspace/lib/c/include/inet/iplink_srv.h	(revision c3b25985a33ea9ae992d45cc6df7c7a892242e79)
@@ -59,4 +59,5 @@
 	int (*get_mtu)(iplink_srv_t *, size_t *);
 	int (*get_mac48)(iplink_srv_t *, addr48_t *);
+	int (*set_mac48)(iplink_srv_t *, addr48_t *);
 	int (*addr_add)(iplink_srv_t *, inet_addr_t *);
 	int (*addr_remove)(iplink_srv_t *, inet_addr_t *);
@@ -67,4 +68,5 @@
 extern int iplink_conn(ipc_callid_t, ipc_call_t *, void *);
 extern int iplink_ev_recv(iplink_srv_t *, iplink_recv_sdu_t *, ip_ver_t);
+extern int iplink_ev_change_addr(iplink_srv_t *, addr48_t *);
 
 #endif
Index: uspace/lib/c/include/ipc/iplink.h
===================================================================
--- uspace/lib/c/include/ipc/iplink.h	(revision e5424e9c9ff4b025227b44586f4b079542090d74)
+++ uspace/lib/c/include/ipc/iplink.h	(revision c3b25985a33ea9ae992d45cc6df7c7a892242e79)
@@ -41,4 +41,5 @@
 	IPLINK_GET_MTU = IPC_FIRST_USER_METHOD,
 	IPLINK_GET_MAC48,
+	IPLINK_SET_MAC48,
 	IPLINK_SEND,
 	IPLINK_SEND6,
@@ -48,5 +49,6 @@
 
 typedef enum {
-	IPLINK_EV_RECV = IPC_FIRST_USER_METHOD
+	IPLINK_EV_RECV = IPC_FIRST_USER_METHOD,
+	IPLINK_EV_CHANGE_ADDR,
 } iplink_event_t;