Index: uspace/lib/c/include/ipc/dev_iface.h
===================================================================
--- uspace/lib/c/include/ipc/dev_iface.h	(revision 4979403852d819a9253efa1bff79a2dc52611a3f)
+++ uspace/lib/c/include/ipc/dev_iface.h	(revision b09096a6c598670eb227ec9fe4ee994511fb2b5d)
@@ -36,6 +36,10 @@
 typedef enum {
 	HW_RES_DEV_IFACE = 0,
+	/** Character device interface */
 	CHAR_DEV_IFACE,
-
+	
+	/** Network interface controller interface */
+	NIC_DEV_IFACE,
+	
 	/** Interface provided by any PCI device. */
 	PCI_DEV_IFACE,
Index: uspace/lib/c/include/ipc/devman.h
===================================================================
--- uspace/lib/c/include/ipc/devman.h	(revision 4979403852d819a9253efa1bff79a2dc52611a3f)
+++ uspace/lib/c/include/ipc/devman.h	(revision b09096a6c598670eb227ec9fe4ee994511fb2b5d)
@@ -146,4 +146,5 @@
 typedef enum {
 	DRIVER_DEV_ADD = IPC_FIRST_USER_METHOD,
+	DRIVER_DEV_ADDED,
 	DRIVER_DEV_REMOVE,
 	DRIVER_DEV_GONE,
Index: uspace/lib/c/include/ipc/il.h
===================================================================
--- uspace/lib/c/include/ipc/il.h	(revision 4979403852d819a9253efa1bff79a2dc52611a3f)
+++ uspace/lib/c/include/ipc/il.h	(revision b09096a6c598670eb227ec9fe4ee994511fb2b5d)
@@ -54,4 +54,10 @@
 	NET_IL_MTU_CHANGED,
 	
+	/**
+	 * Device address changed message
+	 * @see il_addr_changed_msg()
+	 */
+	NET_IL_ADDR_CHANGED,
+
 	/** Packet received message.
 	 * @see il_received_msg()
Index: uspace/lib/c/include/ipc/net.h
===================================================================
--- uspace/lib/c/include/ipc/net.h	(revision 4979403852d819a9253efa1bff79a2dc52611a3f)
+++ uspace/lib/c/include/ipc/net.h	(revision b09096a6c598670eb227ec9fe4ee994511fb2b5d)
@@ -277,5 +277,5 @@
  *
  */
-#define IPC_GET_DEVICE(call)  ((device_id_t) IPC_GET_ARG1(call))
+#define IPC_GET_DEVICE(call)  ((nic_device_id_t) IPC_GET_ARG1(call))
 
 /** Return the packet identifier message argument.
@@ -298,5 +298,33 @@
  *
  */
-#define IPC_GET_STATE(call)  ((device_state_t) IPC_GET_ARG2(call))
+#define IPC_GET_STATE(call)  ((nic_device_state_t) IPC_GET_ARG2(call))
+
+/** Return the device handle argument
+ *
+ * @param[in] call Message call structure
+ *
+ */
+#define IPC_GET_DEVICE_HANDLE(call) ((devman_handle_t) IPC_GET_ARG2(call))
+
+/** Return the device driver service message argument.
+ *
+ * @param[in] call Message call structure.
+ *
+ */
+#define IPC_GET_SERVICE(call)  ((services_t) IPC_GET_ARG3(call))
+
+/** Return the target service message argument.
+ *
+ * @param[in] call Message call structure.
+ *
+ */
+#define IPC_GET_TARGET(call)  ((services_t) IPC_GET_ARG3(call))
+
+/** Return the sender service message argument.
+ *
+ * @param[in] call Message call structure.
+ *
+ */
+#define IPC_GET_SENDER(call)  ((services_t) IPC_GET_ARG3(call))
 
 /** Return the maximum transmission unit message argument.
@@ -305,26 +333,5 @@
  *
  */
-#define IPC_GET_MTU(call)  ((size_t) IPC_GET_ARG2(call))
-
-/** Return the device driver service message argument.
- *
- * @param[in] call Message call structure.
- *
- */
-#define IPC_GET_SERVICE(call)  ((services_t) IPC_GET_ARG3(call))
-
-/** Return the target service message argument.
- *
- * @param[in] call Message call structure.
- *
- */
-#define IPC_GET_TARGET(call)  ((services_t) IPC_GET_ARG3(call))
-
-/** Return the sender service message argument.
- *
- * @param[in] call Message call structure.
- *
- */
-#define IPC_GET_SENDER(call)  ((services_t) IPC_GET_ARG3(call))
+#define IPC_GET_MTU(call)  ((size_t) IPC_GET_ARG3(call))
 
 /** Return the error service message argument.
Index: uspace/lib/c/include/ipc/net_net.h
===================================================================
--- uspace/lib/c/include/ipc/net_net.h	(revision 4979403852d819a9253efa1bff79a2dc52611a3f)
+++ uspace/lib/c/include/ipc/net_net.h	(revision b09096a6c598670eb227ec9fe4ee994511fb2b5d)
@@ -43,14 +43,18 @@
 /** Networking subsystem central module messages. */
 typedef enum {
-	/** Returns the general configuration
+	/** Return general configuration
 	 * @see net_get_conf_req()
 	 */
 	NET_NET_GET_CONF = NET_FIRST,
-	/** Returns the device specific configuration
+	/** Return device specific configuration
 	 * @see net_get_device_conf_req()
 	 */
 	NET_NET_GET_DEVICE_CONF,
-	/** Starts the networking stack. */
-	NET_NET_STARTUP,
+	/** Return number of mastered devices */
+	NET_NET_GET_DEVICES_COUNT,
+	/** Return names and device IDs of all devices */
+	NET_NET_GET_DEVICES,
+	/** Notify the networking service about a ready device */
+	NET_NET_DRIVER_READY
 } net_messages;
 
Index: uspace/lib/c/include/ipc/nil.h
===================================================================
--- uspace/lib/c/include/ipc/nil.h	(revision 4979403852d819a9253efa1bff79a2dc52611a3f)
+++ uspace/lib/c/include/ipc/nil.h	(revision b09096a6c598670eb227ec9fe4ee994511fb2b5d)
@@ -70,4 +70,8 @@
 	 */
 	NET_NIL_BROADCAST_ADDR,
+	/** Device has changed address
+	 * @see nil_addr_changed_msg()
+	 */
+	NET_NIL_ADDR_CHANGED
 } nil_messages;
 
Index: uspace/lib/c/include/ipc/services.h
===================================================================
--- uspace/lib/c/include/ipc/services.h	(revision 4979403852d819a9253efa1bff79a2dc52611a3f)
+++ uspace/lib/c/include/ipc/services.h	(revision b09096a6c598670eb227ec9fe4ee994511fb2b5d)
@@ -49,6 +49,4 @@
 	SERVICE_CLIPBOARD  = FOURCC('c', 'l', 'i', 'p'),
 	SERVICE_NETWORKING = FOURCC('n', 'e', 't', ' '),
-	SERVICE_LO         = FOURCC('l', 'o', ' ', ' '),
-	SERVICE_NE2000     = FOURCC('n', 'e', '2', 'k'),
 	SERVICE_ETHERNET   = FOURCC('e', 't', 'h', ' '),
 	SERVICE_NILDUMMY   = FOURCC('n', 'i', 'l', 'd'),