Index: uspace/lib/c/include/device/nic.h
===================================================================
--- uspace/lib/c/include/device/nic.h	(revision 6d8455d96fd6cd160666aef7ea55519828d14f42)
+++ uspace/lib/c/include/device/nic.h	(revision 8d7ec69d8e6ebbc57c70b70b6ed09ed1b8ceba0c)
@@ -39,9 +39,10 @@
 #include <net/device.h>
 #include <net/packet.h>
+#include <ipc/common.h>
 #include <ipc/services.h>
 
 typedef enum {
 	NIC_SEND_MESSAGE = 0,
-	NIC_CONNECT_TO_NIL,
+	NIC_CALLBACK_CREATE,
 	NIC_GET_STATE,
 	NIC_SET_STATE,
@@ -85,6 +86,13 @@
 } nic_funcs_t;
 
+typedef enum {
+	NIC_EV_ADDR_CHANGED = IPC_FIRST_USER_METHOD,
+	NIC_EV_RECEIVED,
+	NIC_EV_DEVICE_STATE
+} nic_event_t;
+
 extern int nic_send_frame(async_sess_t *, void *, size_t);
-extern int nic_connect_to_nil(async_sess_t *, services_t, nic_device_id_t);
+extern int nic_callback_create(async_sess_t *, nic_device_id_t,
+    async_client_conn_t, void *);
 extern int nic_get_state(async_sess_t *, nic_device_state_t *);
 extern int nic_set_state(async_sess_t *, nic_device_state_t);