Index: uspace/lib/c/include/ipc/netif.h
===================================================================
--- uspace/lib/c/include/ipc/netif.h	(revision 995689d125f7f186bf072db2d8270c513856a969)
+++ uspace/lib/c/include/ipc/netif.h	(revision 995689d125f7f186bf072db2d8270c513856a969)
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2009 Lukas Mejdrech
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup libc
+ * @{
+ */
+
+/** @file
+ * Network interface common module messages.
+ */
+
+#ifndef LIBC_NETIF_MESSAGES_H_
+#define LIBC_NETIF_MESSAGES_H_
+
+#include <ipc/ipc.h>
+#include <ipc/net.h>
+
+/** Network interface common module messages. */
+typedef enum {
+	/** Probe device message.
+	 * @see netif_probe_req()
+	 */
+	NET_NETIF_PROBE = NET_NETIF_FIRST,
+	/** Send packet message.
+	 * @see netif_send_msg()
+	 */
+	NET_NETIF_SEND,
+	/** Start device message.
+	 * @see netif_start_req()
+	 */
+	NET_NETIF_START,
+	/** Get device usage statistics message.
+	 * @see netif_stats_req()
+	 */
+	NET_NETIF_STATS,
+	/** Stop device message.
+	 * @see netif_stop_req()
+	 */
+	NET_NETIF_STOP,
+	/** Get device address message.
+	 * @see netif_get_addr_req()
+	 */
+	NET_NETIF_GET_ADDR,
+} netif_messages;
+
+/** @name Network interface specific message parameters definitions */
+/*@{*/
+
+/** Return the interrupt number message parameter.
+ * @param[in] call The message call structure.
+ */
+#define NETIF_GET_IRQ(call) \
+	({ \
+		int irq = (int) IPC_GET_ARG2(*call); \
+		irq; \
+	})
+
+/** Return the input/output address message parameter.
+ * @param[in] call The message call structure.
+ */
+#define NETIF_GET_IO(call) \
+	({ \
+		int io = (int) IPC_GET_ARG3(*call); \
+		io; \
+	})
+
+/*@}*/
+
+#endif
+
+/** @}
+ */