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4163 | mejdrech | 1 | /* |
2 | * Copyright (c) 2009 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 dp8390 |
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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 <assert.h> |
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37 | //#include <async.h> |
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38 | #include <ddi.h> |
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39 | #include <errno.h> |
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40 | #include <malloc.h> |
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41 | #include <mem.h> |
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42 | //#include <stdio.h> |
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43 | //#include <sysinfo.h> |
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44 | #include <ipc/ipc.h> |
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45 | #include <ipc/services.h> |
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46 | //#include <sys/types.h> |
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47 | |||
48 | #include "../../err.h" |
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49 | #include "../../messages.h" |
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50 | #include "../../modules.h" |
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51 | |||
52 | #include "../../structures/packet/packet_client.h" |
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53 | #include "../../structures/measured_strings.h" |
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54 | |||
55 | #include "dp8390.h" |
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56 | #include "dp8390_drv.h" |
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57 | #include "dp8390_module.h" |
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58 | #include "dp8390_port.h" |
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59 | //#include "local.h" |
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60 | #include "../device.h" |
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61 | #include "../netif.h" |
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62 | |||
63 | //TODO sync stats |
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64 | |||
65 | #define NAME "dp8390 network interface" |
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66 | |||
67 | #define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call ) |
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68 | #define IPC_GET_ISR( call ) ( int ) IPC_GET_ARG2( * call ) |
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69 | |||
70 | static irq_cmd_t dp8390_cmds[] = { |
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71 | { .cmd = CMD_PIO_READ_8, |
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72 | .addr = NULL, |
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73 | .dstarg = 2 |
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74 | }, |
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75 | { |
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76 | .cmd = CMD_PREDICATE, |
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77 | .value = 2, |
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78 | .srcarg = 2 |
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79 | }, |
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80 | {//TODO remember device_id |
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81 | .cmd = CMD_ACCEPT, |
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82 | .value = 0, |
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83 | .dstarg = 1, |
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84 | }, |
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85 | { |
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86 | .cmd = CMD_ACCEPT |
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87 | } |
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88 | }; |
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89 | |||
90 | static irq_code_t dp8390_code = { |
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91 | sizeof( dp8390_cmds ) / sizeof( irq_cmd_t ), |
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92 | dp8390_cmds |
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93 | }; |
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94 | |||
95 | netif_globals_t netif_globals; |
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96 | |||
97 | void netif_print_name( void ); |
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98 | int initialize( void ); |
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99 | int probe_auto_message( void ); |
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100 | int probe_message( device_id_t device_id, int irq, int io ); |
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101 | int send_message( device_id_t device_id, packet_t packet ); |
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102 | int start_message( device_id_t device_id ); |
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103 | int stop_message( device_id_t device_id ); |
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104 | measured_string_ref get_addr_message( device_id_t device_id ); |
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105 | |||
106 | static void irq_handler( ipc_callid_t iid, ipc_call_t * call ); |
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107 | |||
108 | void netif_print_name( void ){ |
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109 | printf( NAME ); |
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110 | } |
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111 | |||
112 | measured_string_ref get_addr_message( device_id_t device_id ){ |
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113 | ERROR_DECLARE; |
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114 | |||
115 | device_ref device; |
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116 | |||
117 | if( ERROR_OCCURRED( find_device( device_id, & device ))) return NULL; |
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118 | return (( dp_device_ref )( device->specific ))->addr; |
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119 | } |
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120 | |||
121 | static void irq_handler( ipc_callid_t iid, ipc_call_t * call ) |
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122 | { |
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123 | // int irq; |
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124 | device_ref device; |
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125 | dpeth_t * dep; |
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126 | |||
127 | if( find_device( IPC_GET_DEVICE( call ), & device ) == EOK ){ |
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128 | dep = & (( dp_device_ref ) device->specific )->dep; |
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129 | printf( "\ndev %d, irq %x\n", device->device_id, IPC_GET_ISR( call )); |
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130 | if ( dep->de_mode != DEM_ENABLED) |
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131 | // continue; |
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132 | return; |
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133 | assert( dep->de_flags & DEF_ENABLED); |
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134 | // irq= dep.de_irq; |
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135 | // assert(irq >= 0 && irq < NR_IRQ_VECTORS); |
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136 | if ( dep->de_int_pending || 1) |
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137 | { |
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138 | dep->de_int_pending= 0; |
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139 | dp_check_ints( dep ); |
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140 | // do_int(dep); |
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141 | /* r= sys_irqenable(&dep->de_hook); |
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142 | if (r != OK) |
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143 | { |
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144 | panic("DP8390", |
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145 | "unable enable interrupts", r); |
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146 | } |
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147 | */ } |
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148 | } |
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149 | } |
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150 | |||
151 | int probe_auto_message( void ){ |
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152 | return ENOTSUP; |
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153 | } |
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154 | |||
155 | int probe_message( device_id_t device_id, int irq, int io ){ |
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156 | ERROR_DECLARE; |
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157 | |||
158 | device_ref device; |
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159 | dp_device_ref dp_device; |
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160 | |||
161 | printf( "\n" ); |
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162 | device = ( device_ref ) malloc( sizeof( device_t )); |
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163 | if( ! device ) return ENOMEM; |
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164 | dp_device = ( dp_device_ref ) malloc( sizeof( dp_device_t )); |
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165 | if( ! dp_device ){ |
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166 | free( device ); |
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167 | return ENOMEM; |
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168 | } |
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169 | bzero( device, sizeof( device_t )); |
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170 | bzero( dp_device, sizeof( dp_device_t )); |
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171 | device->device_id = device_id; |
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172 | device->nil_phone = -1; |
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173 | device->specific = ( void * ) dp_device; |
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174 | device->state = NETIF_ACTIVE; |
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175 | dp_device->dep.de_irq = irq; |
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176 | dp_device->dep.de_base_port = io; |
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177 | dp_device->dep.de_mode = DEM_DISABLED; |
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178 | //TODO address? |
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179 | if( ERROR_OCCURRED( iospace_enable( task_get_id(), ( void * ) ( uint32_t ) dp_device->dep.de_base_port, DP8390_IO_SIZE )) |
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180 | || ERROR_OCCURRED( do_probe( & dp_device->dep ))){ |
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181 | free( dp_device ); |
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182 | free( device ); |
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183 | return ERROR_CODE; |
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184 | } |
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185 | dp_device->addr = measured_string_create_bulk(( char * ) & dp_device->dep.de_address, CONVERT_SIZE( ether_addr_t, char, 1 )); |
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186 | if( ! dp_device->addr ){ |
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187 | free( dp_device ); |
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188 | free( device ); |
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189 | return ENOMEM; |
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190 | } |
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191 | if( ERROR_OCCURRED( device_map_add( & netif_globals.device_map, device->device_id, device ))){ |
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192 | free( dp_device->addr ); |
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193 | free( dp_device ); |
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194 | free( device ); |
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195 | return ERROR_CODE; |
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196 | } |
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197 | return EOK; |
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198 | } |
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199 | |||
200 | int send_message( device_id_t device_id, packet_t packet ){ |
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201 | // TODO send message |
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202 | return ENOTSUP; |
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203 | } |
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204 | |||
205 | int start_message( device_id_t device_id ){ |
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206 | ERROR_DECLARE; |
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207 | |||
208 | device_ref device; |
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209 | dpeth_t * dep; |
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210 | |||
211 | ERROR_PROPAGATE( find_device( device_id, & device )); |
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212 | if( device->state != NETIF_ACTIVE ){ |
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213 | dep = & (( dp_device_ref ) device->specific )->dep; |
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214 | dp8390_cmds[ 0 ].addr = ( void * ) ( uint32_t ) ( dep->de_dp8390_port + DP_ISR ); |
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215 | dp8390_cmds[ 2 ].value = device->device_id; |
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216 | ERROR_PROPAGATE( ipc_register_irq( dep->de_irq, device->device_id, 0, & dp8390_code )); |
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217 | if( ERROR_OCCURRED( do_init( dep, DL_BROAD_REQ ))){ |
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218 | ipc_unregister_irq( dep->de_irq, device->device_id ); |
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219 | return ERROR_CODE; |
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220 | } |
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221 | device->state = NETIF_ACTIVE; |
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222 | nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL ); |
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223 | } |
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224 | return EOK; |
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225 | } |
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226 | |||
227 | int stop_message( device_id_t device_id ){ |
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228 | ERROR_DECLARE; |
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229 | |||
230 | device_ref device; |
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231 | dpeth_t * dep; |
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232 | |||
233 | ERROR_PROPAGATE( find_device( device_id, & device )); |
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234 | if( device->state != NETIF_STOPPED ){ |
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235 | dep = & (( dp_device_ref ) device->specific )->dep; |
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236 | do_stop( dep ); |
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237 | ipc_unregister_irq( dep->de_irq, device->device_id ); |
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238 | device->state = NETIF_STOPPED; |
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239 | nil_message( device, NET_NIL_DEVICE_STATE, device->state, NULL ); |
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240 | } |
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241 | return EOK; |
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242 | } |
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243 | |||
244 | int initialize( void ){ |
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245 | ipcarg_t phonehash; |
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246 | |||
247 | async_set_interrupt_received( irq_handler ); |
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248 | |||
249 | return REGISTER_ME( SERVICE_DP8390, & phonehash ); |
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250 | } |
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251 | |||
252 | /** @} |
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253 | */ |