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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 "netif_device_id_type.h"
  41.  
  42. #define ll_message( device, message, arg2, arg3, result1, result2, result3 )    \
  43.     if(( device )->ll_registered >= 0 ) async_msg_3(( device )->ll_registered, ( message ), ( device )->device_id, arg2, arg3 )
  44.  
  45. typedef enum netif_state    netif_state_t;
  46.  
  47. typedef struct netif_device_stats   netif_device_stats_t;
  48. typedef netif_device_stats_t *      netif_device_stats_ref;
  49. typedef struct netif_device     netif_device_t;
  50. typedef netif_device_t *        netif_device_ref;
  51. typedef struct netif_globals        netif_globals_t;
  52.  
  53. DEVICE_MAP_DECLARE( netif_device_map, netif_device_t );
  54.  
  55. enum    netif_state{
  56.     NETIF_NULL = 0,
  57.     NETIF_STOPPED,
  58.     NETIF_ACTIVE,
  59.     NETIF_CARRIER_LOST
  60. };
  61.  
  62. // based on linux_kernel/include/linux/netdevice.h
  63.  
  64. struct  netif_device_stats{
  65.     unsigned long   rx_packets;     /* total packets received   */
  66.     unsigned long   tx_packets;     /* total packets transmitted    */
  67.     unsigned long   rx_bytes;       /* total bytes received     */
  68.     unsigned long   tx_bytes;       /* total bytes transmitted  */
  69.     unsigned long   rx_errors;      /* bad packets received     */
  70.     unsigned long   tx_errors;      /* packet transmit problems */
  71.     unsigned long   rx_dropped;     /* no space in linux buffers    */
  72.     unsigned long   tx_dropped;     /* no space available in linux  */
  73.     unsigned long   multicast;      /* multicast packets received   */
  74.     unsigned long   collisions;
  75.  
  76.     /* detailed rx_errors: */
  77.     unsigned long   rx_length_errors;
  78.     unsigned long   rx_over_errors;     /* receiver ring buff overflow  */
  79.     unsigned long   rx_crc_errors;      /* recved pkt with crc error    */
  80.     unsigned long   rx_frame_errors;    /* recv'd frame alignment error */
  81.     unsigned long   rx_fifo_errors;     /* recv'r fifo overrun      */
  82.     unsigned long   rx_missed_errors;   /* receiver missed packet   */
  83.  
  84.     /* detailed tx_errors */
  85.     unsigned long   tx_aborted_errors;
  86.     unsigned long   tx_carrier_errors;
  87.     unsigned long   tx_fifo_errors;
  88.     unsigned long   tx_heartbeat_errors;
  89.     unsigned long   tx_window_errors;
  90.  
  91.     /* for cslip etc */
  92.     unsigned long   rx_compressed;
  93.     unsigned long   tx_compressed;
  94. };
  95.  
  96. struct  netif_device{
  97.     netif_device_id_t   device_id;
  98.     int         ll_registered;
  99.     netif_device_stats_t    stats;
  100.     netif_state_t       state;
  101.     int         flags;
  102.     size_t          mtu;
  103.     void *          specific;
  104. };
  105.  
  106. struct  netif_globals{
  107.     int         networking_phone;
  108.     netif_device_map_t  netif_device_map;
  109. };
  110.  
  111. int netif_device_find( netif_device_id_t device_id, netif_device_ref * device );
  112. void netif_device_stats_null( netif_device_stats_ref stats );
  113.  
  114. #endif
  115.  
  116. /** @}
  117.  */
  118.  
  119.