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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. #include <async.h>
  37. #include <stdio.h>
  38. #include <ipc/ipc.h>
  39. #include <ipc/services.h>
  40. //#include <sys/mman.h>
  41.  
  42. #include "../err.h"
  43. #include "../messages.h"
  44. #include "../modules.h"
  45.  
  46. #include "netif.h"
  47. #include "netif_device_id_type.h"
  48.  
  49. extern netif_globals_t netif_globals;
  50.  
  51. extern int  netif_initialize( void );
  52. extern void netif_print_name( void );
  53. extern int  netif_probe_auto_message( ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, ipcarg_t * result1, ipcarg_t * result2, ipcarg_t * result3 );
  54. extern int  netif_probe_message( ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, ipcarg_t * result1, ipcarg_t * result2, ipcarg_t * result3 );
  55. extern int  netif_send_message( ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, ipcarg_t * result1, ipcarg_t * result2, ipcarg_t * result3 );
  56. extern int  netif_start_message( ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, ipcarg_t * result1, ipcarg_t * result2, ipcarg_t * result3 );
  57. extern int  netif_stop_message( ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, ipcarg_t * result1, ipcarg_t * result2, ipcarg_t * result3 );
  58.  
  59. DEVICE_MAP_IMPLEMENT( netif_device_map, netif_device_t )
  60.  
  61. int netif_message( ipc_callid_t callid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, ipcarg_t * result1, ipcarg_t * result2, ipcarg_t * result3 );
  62. int netif_start_module( void ( * client_connection )( ipc_callid_t iid, ipc_call_t * icall ));
  63.  
  64. int netif_device_find( netif_device_id_t device_id, netif_device_ref * device ){
  65.     * device = netif_device_map_find( & netif_globals.netif_device_map, device_id );
  66.     if( ! * device ) return ENOENT;
  67.     if(( ** device ).state == NETIF_NULL ) return EPERM;
  68.     return EOK;
  69. }
  70.  
  71. void netif_device_stats_null( netif_device_stats_ref stats )
  72. {
  73.     //memset( stats, 0, sizeof( netif_device_t ));
  74.     stats->rx_packets = 0;
  75.     stats->tx_packets = 0;
  76.     stats->rx_bytes = 0;
  77.     stats->tx_bytes = 0;
  78.     stats->rx_errors = 0;
  79.     stats->tx_errors = 0;
  80.     stats->rx_dropped = 0;
  81.     stats->tx_dropped = 0;
  82.     stats->multicast = 0;
  83.     stats->collisions = 0;
  84.     stats->rx_length_errors = 0;
  85.     stats->rx_over_errors = 0;
  86.     stats->rx_crc_errors = 0;
  87.     stats->rx_frame_errors = 0;
  88.     stats->rx_fifo_errors = 0;
  89.     stats->rx_missed_errors = 0;
  90.     stats->tx_aborted_errors = 0;
  91.     stats->tx_carrier_errors = 0;
  92.     stats->tx_fifo_errors = 0;
  93.     stats->tx_heartbeat_errors = 0;
  94.     stats->tx_window_errors = 0;
  95.     stats->rx_compressed = 0;
  96.     stats->tx_compressed = 0;
  97. }
  98.  
  99. int netif_message( ipc_callid_t callid, ipcarg_t method, ipcarg_t arg1, ipcarg_t arg2, ipcarg_t arg3, ipcarg_t * result1, ipcarg_t * result2, ipcarg_t * result3 ){
  100.     ERROR_DECLARE;
  101.  
  102.     size_t          length;
  103.     netif_device_ref    device;
  104.  
  105. //  printf( "\nNETIF message %d", method );
  106.     switch( method ){
  107.         case IPC_M_PHONE_HUNGUP:
  108.             return EOK;
  109.         case NET_NETIF_PROBE_AUTO:
  110.             return netif_probe_auto_message( arg1, arg2, arg3, result1, result2, result3 );
  111.         case NET_NETIF_PROBE:
  112.             return netif_probe_message( arg1, arg2, arg3, result1, result2, result3 );
  113.         case NET_NETIF_REGISTER:
  114.         case NET_LL_REGISTER:
  115.             ERROR_PROPAGATE( netif_device_find( arg1, & device ));
  116.             device->ll_registered = connect_to_service( arg2 );
  117.             return EOK;
  118.         case NET_NETIF_SEND:
  119.             return netif_send_message( arg1, arg2, arg3, result1, result2, result3 );
  120.         case NET_NETIF_START:
  121.             return netif_start_message( arg1, arg2, arg3, result1, result2, result3 );
  122.         case NET_NETIF_STATS:
  123.             ERROR_PROPAGATE( ipc_data_read_receive( & callid, & length ));
  124.             if( length < sizeof( netif_device_stats_t )){
  125.                 ipc_answer_0( callid, EOVERFLOW );
  126.                 return EOVERFLOW;
  127.             }
  128.             if( ERROR_OCCURED( netif_device_find( arg1, & device ))){
  129.                 ipc_answer_0( callid, ERROR_CODE );
  130.                 return ERROR_CODE;
  131.             }
  132.             return ipc_data_read_finalize( callid, & device->stats, sizeof( netif_device_stats_t ));
  133.         case NET_NETIF_STOP:
  134.             return netif_stop_message( arg1, arg2, arg3, result1, result2, result3 );
  135.     }
  136.     return ENOTSUP;
  137. }
  138.  
  139. int netif_start_module( void ( * client_connection )( ipc_callid_t iid, ipc_call_t * icall )){
  140.     services_t  need[ 2 ];
  141.     int *       need_phone[ 2 ];
  142.  
  143.     need[ 0 ] = SERVICE_NETWORKING;
  144.     need[ 1 ] = NULL;
  145.     need_phone[ 0 ] = & netif_globals.networking_phone;
  146.     need_phone[ 1 ] = NULL;
  147.     netif_device_map_initialize( & netif_globals.netif_device_map );
  148.     return start_service( NULL, need, need_phone, client_connection, netif_initialize );
  149. }
  150.  
  151. /** @}
  152.  */
  153.