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  1. /*
  2.  * Copyright (c) 2008 Lukas Mejdrech
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup net
  30.  * @{
  31.  */
  32.  
  33. /**
  34.  * @file
  35.  */
  36.  
  37. #ifndef __NET_NETIF_H__
  38. #define __NET_NETIF_H__
  39.  
  40. #include "device.h"
  41.  
  42. #define nil_message( device, message, arg2, arg3, result1, result2, result3 )   \
  43.     if(( device )->nil_phone >= 0 ) async_msg_3(( device )->nil_phone, ( message ), ( device )->device_id, arg2, arg3 )
  44.  
  45. typedef struct device       device_t;
  46. typedef device_t *      device_ref;
  47. typedef struct netif_globals    netif_globals_t;
  48.  
  49. DEVICE_MAP_DECLARE( device_map, device_t );
  50.  
  51. struct  device{
  52.     device_id_t device_id;
  53.     int     nil_phone;
  54.     device_stats_t  stats;
  55.     device_state_t  state;
  56.     int     flags;
  57.     size_t      mtu;
  58.     void *      specific;
  59. };
  60.  
  61. struct  netif_globals{
  62.     int     networking_phone;
  63.     device_map_t    device_map;
  64. };
  65.  
  66. int find_device( device_id_t device_id, device_ref * device );
  67. void    null_device_stats( device_stats_ref stats );
  68.  
  69. #endif
  70.  
  71. /** @}
  72.  */
  73.  
  74.