/*
 * Copyright (c) 2008 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 net
 * @{
 */

/**
 * @file
 */

#ifndef __NET_NETIF_H__
#define __NET_NETIF_H__

#include "device.h"

#define nil_message( device, message, arg2, arg3, result1, result2, result3 )	\
	if(( device )->nil_phone >= 0 ) async_msg_3(( device )->nil_phone, ( message ), ( device )->device_id, arg2, arg3 )

typedef struct device		device_t;
typedef device_t *		device_ref;
typedef struct netif_globals	netif_globals_t;

DEVICE_MAP_DECLARE( device_map, device_t );

struct	device{
	device_id_t	device_id;
	int		nil_phone;
	device_stats_t	stats;
	device_state_t	state;
	int		flags;
	size_t		mtu;
	void *		specific;
};

struct	netif_globals{
	int		networking_phone;
	device_map_t	device_map;
};

int	find_device( device_id_t device_id, device_ref * device );
void	null_device_stats( device_stats_ref stats );

#endif

/** @}
 */