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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. /** @file
  34.  *  
  35.  */
  36.  
  37. #ifndef __NET_PROTOCOL_MAP_H__
  38. #define __NET_PROTOCOL_MAP_H__
  39.  
  40. #include <ipc/services.h>
  41.  
  42. #include "ethernet_protocols.h"
  43.  
  44. static inline int protocol_map( services_t nil, services_t il ){
  45.     switch( nil ){
  46.         case SERVICE_ETHERNET:
  47.             switch( il ){
  48.                 case SERVICE_IP:
  49.                     return ETH_P_IP;
  50.                 case SERVICE_ARP:
  51.                     return ETH_P_ARP;
  52.                 default:
  53.                     return 0;
  54.             }
  55.         default:
  56.             return 0;
  57.     }
  58. }
  59.  
  60. static inline services_t protocol_unmap( services_t nil, int protocol ){
  61.     switch( nil ){
  62.         case SERVICE_ETHERNET:
  63.             switch( protocol ){
  64.                 case ETH_P_IP:
  65.                     return SERVICE_IP;
  66.                 case ETH_P_ARP:
  67.                     return SERVICE_ARP;
  68.                 default:
  69.                     return 0;
  70.             }
  71.         default:
  72.             return 0;
  73.     }
  74. }
  75.  
  76. #endif
  77.  
  78. /** @}
  79.  */
  80.