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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. #ifndef __NET_PACKET_H__
  37. #define __NET_PACKET_H__
  38.  
  39. typedef unsigned int    packet_id_t;
  40.  
  41. typedef struct packet * packet_t;
  42. typedef packet_t *  packet_ref;
  43.  
  44. typedef enum packet_mode    packet_mode_t;
  45.  
  46. enum    packet_mode{
  47.     PM_ONEWAY,
  48.     PM_RETURN
  49. };
  50.  
  51. packet_t pm_find( packet_id_t packet_id );
  52. int pm_add( packet_t packet );
  53. int pm_init( void );
  54. void pm_destroy( void );
  55.  
  56. packet_t    pq_add( packet_t first, packet_t packet, int order, size_t metric );
  57. packet_t pq_detach( packet_t packet );
  58. int pq_set( packet_t packet, int order, size_t metric );
  59. void    pq_destroy( packet_t first, void ( * packet_release )( packet_t packet ));
  60.  
  61. #endif
  62.  
  63. /** @}
  64.  */
  65.