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3666 | mejdrech | 1 | /* |
2 | * Copyright (c) 2008 Lukas Mejdrech |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup net |
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30 | * @{ |
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31 | */ |
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32 | |||
33 | /** @file |
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34 | */ |
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35 | |||
36 | #include <async.h> |
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37 | #include <stdio.h> |
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3846 | mejdrech | 38 | |
3666 | mejdrech | 39 | #include <ipc/ipc.h> |
40 | #include <ipc/services.h> |
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41 | //#include <sys/mman.h> |
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42 | |||
43 | #include "../err.h" |
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44 | #include "../messages.h" |
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45 | #include "../modules.h" |
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3846 | mejdrech | 46 | #include "../packet.h" |
3666 | mejdrech | 47 | |
3846 | mejdrech | 48 | #include "device.h" |
3666 | mejdrech | 49 | #include "netif.h" |
50 | |||
3846 | mejdrech | 51 | #define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call ) |
52 | #define IPC_GET_IRQ( call ) ( int ) IPC_GET_ARG2( * call ) |
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53 | #define IPC_GET_IO( call ) ( int ) IPC_GET_ARG3( * call ) |
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54 | #define IPC_GET_PHONE( call ) ( int ) IPC_GET_ARG5( * call ) |
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55 | |||
3666 | mejdrech | 56 | extern netif_globals_t netif_globals; |
57 | |||
3846 | mejdrech | 58 | extern int initialize( void ); |
59 | extern int probe_auto_message( void ); |
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60 | extern int probe_message( device_id_t device_id, int irq, int io ); |
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61 | extern int send_message( device_id_t device_id, packet_t packet ); |
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62 | extern int start_message( device_id_t device_id ); |
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63 | extern int stop_message( device_id_t device_id ); |
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3666 | mejdrech | 64 | |
3846 | mejdrech | 65 | DEVICE_MAP_IMPLEMENT( device_map, device_t ) |
3666 | mejdrech | 66 | |
3846 | mejdrech | 67 | int module_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ); |
68 | int netif_start_module( async_client_conn_t client_connection ); |
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69 | int register_message( device_id_t device_id, int phone ); |
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70 | int get_device_stats( device_id_t device_id, device_stats_ref * stats ); |
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3666 | mejdrech | 71 | |
3846 | mejdrech | 72 | int find_device( device_id_t device_id, device_ref * device ){ |
73 | * device = device_map_find( & netif_globals.device_map, device_id ); |
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3666 | mejdrech | 74 | if( ! * device ) return ENOENT; |
3685 | mejdrech | 75 | if(( ** device ).state == NETIF_NULL ) return EPERM; |
3666 | mejdrech | 76 | return EOK; |
77 | } |
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78 | |||
3846 | mejdrech | 79 | int get_device_stats( device_id_t device_id, device_stats_ref * stats ){ |
80 | ERROR_DECLARE; |
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81 | |||
82 | device_ref device; |
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83 | |||
84 | if( ! stats ) return EINVAL; |
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85 | ERROR_PROPAGATE( find_device( device_id, & device )); |
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86 | * stats = & device->stats; |
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87 | return EOK; |
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88 | } |
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89 | |||
90 | void null_device_stats( device_stats_ref stats ){ |
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91 | memset( stats, 0, sizeof( device_stats_t )); |
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92 | /* stats->rx_packets = 0; |
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3666 | mejdrech | 93 | stats->tx_packets = 0; |
94 | stats->rx_bytes = 0; |
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95 | stats->tx_bytes = 0; |
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96 | stats->rx_errors = 0; |
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97 | stats->tx_errors = 0; |
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98 | stats->rx_dropped = 0; |
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99 | stats->tx_dropped = 0; |
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100 | stats->multicast = 0; |
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101 | stats->collisions = 0; |
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102 | stats->rx_length_errors = 0; |
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103 | stats->rx_over_errors = 0; |
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104 | stats->rx_crc_errors = 0; |
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105 | stats->rx_frame_errors = 0; |
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106 | stats->rx_fifo_errors = 0; |
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107 | stats->rx_missed_errors = 0; |
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108 | stats->tx_aborted_errors = 0; |
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109 | stats->tx_carrier_errors = 0; |
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110 | stats->tx_fifo_errors = 0; |
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111 | stats->tx_heartbeat_errors = 0; |
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112 | stats->tx_window_errors = 0; |
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113 | stats->rx_compressed = 0; |
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114 | stats->tx_compressed = 0; |
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3846 | mejdrech | 115 | */ |
3666 | mejdrech | 116 | } |
117 | |||
3846 | mejdrech | 118 | int register_message( device_id_t device_id, int phone ){ |
3666 | mejdrech | 119 | ERROR_DECLARE; |
120 | |||
3846 | mejdrech | 121 | device_ref device; |
122 | |||
123 | ERROR_PROPAGATE( find_device( device_id, & device )); |
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124 | if( device->nil_phone ) return ELIMIT; |
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125 | device->nil_phone = phone; |
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126 | return EOK; |
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127 | } |
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128 | |||
129 | int netif_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
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130 | ERROR_DECLARE; |
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131 | |||
3666 | mejdrech | 132 | size_t length; |
3846 | mejdrech | 133 | device_stats_ref stats; |
134 | packet_t packet; |
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3666 | mejdrech | 135 | |
136 | // printf( "\nNETIF message %d", method ); |
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3846 | mejdrech | 137 | * answer_count = 0; |
138 | switch( IPC_GET_METHOD( * call )){ |
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3666 | mejdrech | 139 | case IPC_M_PHONE_HUNGUP: |
140 | return EOK; |
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141 | case NET_NETIF_PROBE_AUTO: |
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3846 | mejdrech | 142 | return probe_auto_message(); |
3666 | mejdrech | 143 | case NET_NETIF_PROBE: |
3846 | mejdrech | 144 | return probe_message( IPC_GET_DEVICE( call ), IPC_GET_IRQ( call ), IPC_GET_IO( call )); |
145 | case IPC_M_CONNECT_TO_ME: |
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146 | return register_message( IPC_GET_DEVICE( call ), IPC_GET_PHONE( call )); |
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3666 | mejdrech | 147 | case NET_NETIF_SEND: |
3846 | mejdrech | 148 | ERROR_PROPAGATE( packet_receive( & packet )); |
149 | return send_message( IPC_GET_DEVICE( call ), packet ); |
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3666 | mejdrech | 150 | case NET_NETIF_START: |
3846 | mejdrech | 151 | return start_message( IPC_GET_DEVICE( call )); |
3666 | mejdrech | 152 | case NET_NETIF_STATS: |
153 | ERROR_PROPAGATE( ipc_data_read_receive( & callid, & length )); |
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3846 | mejdrech | 154 | if( length < sizeof( device_stats_t )) return EOVERFLOW; |
155 | ERROR_PROPAGATE( get_device_stats( IPC_GET_DEVICE( call ), & stats )); |
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156 | return ipc_data_read_finalize( callid, stats, sizeof( device_stats_t )); |
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3666 | mejdrech | 157 | case NET_NETIF_STOP: |
3846 | mejdrech | 158 | return stop_message( IPC_GET_DEVICE( call )); |
3666 | mejdrech | 159 | } |
160 | return ENOTSUP; |
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161 | } |
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162 | |||
3846 | mejdrech | 163 | int netif_start_module( async_client_conn_t client_connection ){ |
164 | ERROR_DECLARE; |
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3666 | mejdrech | 165 | |
3846 | mejdrech | 166 | async_set_client_connection( client_connection ); |
167 | netif_globals.networking_phone = connect_to_service( SERVICE_NETWORKING ); |
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168 | device_map_initialize( & netif_globals.device_map ); |
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169 | ERROR_PROPAGATE( initialize()); |
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170 | |||
171 | async_manager(); |
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172 | |||
173 | return EOK; |
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3666 | mejdrech | 174 | } |
175 | |||
176 | /** @} |
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177 | */ |