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3466 | mejdrech | 1 | /* |
3912 | mejdrech | 2 | * Copyright (c) 2009 Lukas Mejdrech |
3466 | mejdrech | 3 | * All rights reserved. |
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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3912 | mejdrech | 30 | * @{ |
3466 | mejdrech | 31 | */ |
32 | |||
33 | /** @file |
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4350 | mejdrech | 34 | * Networking subsystem central module implementation. |
3466 | mejdrech | 35 | */ |
36 | |||
37 | #include <async.h> |
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3666 | mejdrech | 38 | #include <ctype.h> |
4163 | mejdrech | 39 | #include <ddi.h> |
3466 | mejdrech | 40 | #include <errno.h> |
3666 | mejdrech | 41 | #include <malloc.h> |
3466 | mejdrech | 42 | #include <stdio.h> |
4582 | mejdrech | 43 | #include <string.h> |
3846 | mejdrech | 44 | |
3466 | mejdrech | 45 | #include <ipc/ipc.h> |
46 | #include <ipc/services.h> |
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47 | |||
3666 | mejdrech | 48 | #include "../err.h" |
49 | #include "../messages.h" |
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3466 | mejdrech | 50 | #include "../modules.h" |
51 | |||
3886 | mejdrech | 52 | #include "../structures/char_map.h" |
53 | #include "../structures/generic_char_map.h" |
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54 | #include "../structures/measured_strings.h" |
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4192 | mejdrech | 55 | #include "../structures/module_map.h" |
3901 | mejdrech | 56 | #include "../structures/packet/packet.h" |
3886 | mejdrech | 57 | |
4307 | mejdrech | 58 | #include "../il/il_messages.h" |
4243 | mejdrech | 59 | #include "../include/device.h" |
4307 | mejdrech | 60 | #include "../include/netif_interface.h" |
61 | #include "../include/nil_interface.h" |
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62 | #include "../include/net_interface.h" |
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63 | #include "../include/ip_interface.h" |
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3466 | mejdrech | 64 | |
4307 | mejdrech | 65 | #include "net.h" |
4743 | mejdrech | 66 | #include "net_messages.h" |
3466 | mejdrech | 67 | |
4350 | mejdrech | 68 | /** Networking module name. |
69 | */ |
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3901 | mejdrech | 70 | #define NAME "Networking" |
71 | |||
4350 | mejdrech | 72 | /** Prints the module name. |
73 | * @see NAME |
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74 | */ |
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4307 | mejdrech | 75 | void module_print_name( void ); |
4350 | mejdrech | 76 | |
77 | /** Starts the networking module. |
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78 | * Initializes the client connection serving function, initializes the module, registers the module service and starts the async manager, processing IPC messages in an infinite loop. |
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4756 | mejdrech | 79 | * @param[in] client_connection The client connection processing function. The module skeleton propagates its own one. |
4350 | mejdrech | 80 | * @returns EOK on successful module termination. |
81 | * @returns Other error codes as defined for the net_initialize() function. |
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82 | * @returns Other error codes as defined for the REGISTER_ME() macro function. |
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83 | */ |
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4307 | mejdrech | 84 | int module_start( async_client_conn_t client_connection ); |
4350 | mejdrech | 85 | |
3666 | mejdrech | 86 | //int parse_line( measured_strings_ref configuration, char * line ); |
4350 | mejdrech | 87 | |
88 | /** Reads the networking subsystem global configuration. |
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89 | * @returns EOK on success. |
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90 | * @returns Other error codes as defined for the add_configuration() function. |
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91 | */ |
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3666 | mejdrech | 92 | int read_configuration( void ); |
4350 | mejdrech | 93 | |
94 | /** Starts the network interface according to its configuration. |
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95 | * Registers the network interface with the subsystem modules. |
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96 | * Starts the needed subsystem modules. |
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4756 | mejdrech | 97 | * @param[in] netif The network interface specific data. |
4350 | mejdrech | 98 | * @returns EOK on success. |
99 | * @returns EINVAL if there are some settings missing. |
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100 | * @returns ENOENT if the internet protocol module is not known. |
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101 | * @returns Other error codes as defined for the netif_probe_req() function. |
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102 | * @returns Other error codes as defined for the nil_device_req() function. |
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103 | * @returns Other error codes as defined for the needed internet layer registering function. |
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104 | */ |
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4192 | mejdrech | 105 | int start_device( netif_ref netif ); |
4350 | mejdrech | 106 | |
107 | /** Reads the configuration and starts all network interfaces. |
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108 | * @returns EOK on success. |
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109 | * @returns EXDEV if there is no available system-unique device identifier. |
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110 | * @returns EINVAL if any of the network interface names are not configured. |
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111 | * @returns ENOMEM if there is not enough memory left. |
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112 | * @returns Other error codes as defined for the read_configuration() function. |
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113 | * @returns Other error codes as defined for the read_netif_configuration() function. |
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114 | * @returns Other error codes as defined for the start_device() function. |
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115 | */ |
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3666 | mejdrech | 116 | int startup( void ); |
4350 | mejdrech | 117 | |
118 | /** Generates new system-unique device identifier. |
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119 | * @returns The system-unique devic identifier. |
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120 | */ |
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3846 | mejdrech | 121 | device_id_t generate_new_device_id( void ); |
3666 | mejdrech | 122 | |
4350 | mejdrech | 123 | /** Returns the configured values. |
124 | * The network interface configuration is searched first. |
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4756 | mejdrech | 125 | * @param[in] netif_conf The network interface configuration setting. |
126 | * @param[out] configuration The found configured values. |
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127 | * @param[in] count The desired settings count. |
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128 | * @param[out] data The found configuration settings data. |
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4350 | mejdrech | 129 | * @returns EOK. |
130 | */ |
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4505 | mejdrech | 131 | int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data ); |
4350 | mejdrech | 132 | |
4720 | mejdrech | 133 | /** Initializes the networking module. |
4756 | mejdrech | 134 | * @param[in] client_connection The client connection processing function. The module skeleton propagates its own one. |
4720 | mejdrech | 135 | * @returns EOK on success. |
136 | * @returns ENOMEM if there is not enough memory left. |
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137 | */ |
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138 | int net_initialize( async_client_conn_t client_connection ); |
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139 | |||
140 | /** Reads the network interface specific configuration. |
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4756 | mejdrech | 141 | * @param[in] name The network interface name. |
142 | * @param[in,out] netif The network interface structure. |
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4720 | mejdrech | 143 | * @returns EOK on success. |
144 | * @returns Other error codes as defined for the add_configuration() function. |
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145 | */ |
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146 | int read_netif_configuration( char * name, netif_ref netif ); |
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147 | |||
4350 | mejdrech | 148 | /** Networking module global data. |
149 | */ |
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4307 | mejdrech | 150 | net_globals_t net_globals; |
3666 | mejdrech | 151 | |
152 | DEVICE_MAP_IMPLEMENT( netifs, netif_t ) |
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153 | |||
154 | GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t ) |
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155 | |||
4307 | mejdrech | 156 | void module_print_name( void ){ |
4197 | mejdrech | 157 | printf( "%s", NAME ); |
3901 | mejdrech | 158 | } |
159 | |||
4307 | mejdrech | 160 | int module_start( async_client_conn_t client_connection ){ |
3846 | mejdrech | 161 | ERROR_DECLARE; |
3466 | mejdrech | 162 | |
3846 | mejdrech | 163 | ipcarg_t phonehash; |
164 | |||
165 | async_set_client_connection( client_connection ); |
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3901 | mejdrech | 166 | ERROR_PROPAGATE( pm_init()); |
4351 | mejdrech | 167 | if( ERROR_OCCURRED( net_initialize( client_connection )) |
3914 | mejdrech | 168 | || ERROR_OCCURRED( REGISTER_ME( SERVICE_NETWORKING, & phonehash ))){ |
169 | pm_destroy(); |
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170 | return ERROR_CODE; |
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171 | } |
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172 | |||
3846 | mejdrech | 173 | async_manager(); |
174 | |||
3914 | mejdrech | 175 | pm_destroy(); |
3666 | mejdrech | 176 | return EOK; |
177 | } |
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178 | |||
4720 | mejdrech | 179 | int net_initialize( async_client_conn_t client_connection ){ |
180 | ERROR_DECLARE; |
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181 | |||
182 | netifs_initialize( & net_globals.netifs ); |
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183 | char_map_initialize( & net_globals.netif_names ); |
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184 | modules_initialize( & net_globals.modules ); |
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185 | measured_strings_initialize( & net_globals.configuration ); |
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186 | |||
187 | // TODO dynamic configuration |
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188 | ERROR_PROPAGATE( read_configuration()); |
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189 | |||
190 | ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0, connect_to_service )); |
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191 | ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, DP8390_NAME, DP8390_FILENAME, SERVICE_DP8390, 0, connect_to_service )); |
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192 | ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0, connect_to_service )); |
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193 | ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, NILDUMMY_NAME, NILDUMMY_FILENAME, SERVICE_NILDUMMY, 0, connect_to_service )); |
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194 | |||
195 | // build specific initialization |
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196 | return net_initialize_build( client_connection ); |
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197 | } |
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198 | |||
4505 | mejdrech | 199 | int net_get_device_conf_req( int net_phone, device_id_t device_id, measured_string_ref * configuration, size_t count, char ** data ){ |
4307 | mejdrech | 200 | netif_ref netif; |
3666 | mejdrech | 201 | |
4307 | mejdrech | 202 | if( !( configuration && ( count > 0 ))) return EINVAL; |
203 | netif = netifs_find( & net_globals.netifs, device_id ); |
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204 | if( netif ){ |
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205 | return net_get_conf( & netif->configuration, * configuration, count, data ); |
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206 | }else{ |
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207 | return net_get_conf( NULL, * configuration, count, data ); |
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208 | } |
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209 | } |
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3666 | mejdrech | 210 | |
4505 | mejdrech | 211 | int net_get_conf_req( int net_phone, measured_string_ref * configuration, size_t count, char ** data ){ |
4307 | mejdrech | 212 | if( !( configuration && ( count > 0 ))) return EINVAL; |
213 | return net_get_conf( NULL, * configuration, count, data ); |
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214 | } |
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3666 | mejdrech | 215 | |
4505 | mejdrech | 216 | int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data ){ |
4307 | mejdrech | 217 | measured_string_ref setting; |
4505 | mejdrech | 218 | size_t index; |
3666 | mejdrech | 219 | |
4307 | mejdrech | 220 | if( data ) * data = NULL; |
221 | for( index = 0; index < count; ++ index ){ |
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4350 | mejdrech | 222 | setting = measured_strings_find( netif_conf, configuration[ index ].value, 0 ); |
4307 | mejdrech | 223 | if( ! setting ){ |
224 | setting = measured_strings_find( & net_globals.configuration, configuration[ index ].value, 0 ); |
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225 | } |
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226 | if( setting ){ |
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227 | configuration[ index ].length = setting->length; |
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228 | configuration[ index ].value = setting->value; |
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229 | }else{ |
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230 | configuration[ index ].length = 0; |
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231 | configuration[ index ].value = NULL; |
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232 | } |
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233 | } |
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234 | return EOK; |
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235 | } |
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3666 | mejdrech | 236 | |
4307 | mejdrech | 237 | void net_free_settings( measured_string_ref settings, char * data ){ |
238 | } |
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3666 | mejdrech | 239 | |
4307 | mejdrech | 240 | int net_connect_module( services_t service ){ |
3666 | mejdrech | 241 | return EOK; |
242 | } |
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243 | |||
3901 | mejdrech | 244 | int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){ |
3666 | mejdrech | 245 | ERROR_DECLARE; |
246 | |||
247 | measured_string_ref strings; |
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4307 | mejdrech | 248 | char * data; |
3666 | mejdrech | 249 | |
3901 | mejdrech | 250 | * answer_count = 0; |
251 | switch( IPC_GET_METHOD( * call )){ |
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3666 | mejdrech | 252 | case IPC_M_PHONE_HUNGUP: |
253 | return EOK; |
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3846 | mejdrech | 254 | case NET_NET_GET_DEVICE_CONF: |
3901 | mejdrech | 255 | ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call ))); |
4307 | mejdrech | 256 | net_get_device_conf_req( 0, IPC_GET_DEVICE( call ), & strings, IPC_GET_COUNT( call ), NULL ); |
3666 | mejdrech | 257 | // strings should not contain received data anymore |
258 | free( data ); |
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3901 | mejdrech | 259 | ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call )); |
3666 | mejdrech | 260 | free( strings ); |
261 | return ERROR_CODE; |
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3846 | mejdrech | 262 | case NET_NET_GET_CONF: |
3901 | mejdrech | 263 | ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call ))); |
4307 | mejdrech | 264 | net_get_conf_req( 0, & strings, IPC_GET_COUNT( call ), NULL ); |
3666 | mejdrech | 265 | // strings should not contain received data anymore |
266 | free( data ); |
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3901 | mejdrech | 267 | ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call )); |
3666 | mejdrech | 268 | free( strings ); |
269 | return ERROR_CODE; |
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3846 | mejdrech | 270 | case NET_NET_STARTUP: |
3666 | mejdrech | 271 | return startup(); |
272 | } |
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273 | return ENOTSUP; |
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274 | } |
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275 | |||
276 | /* |
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277 | int parse_line( measured_strings_ref configuration, char * line ){ |
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278 | ERROR_DECLARE; |
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279 | |||
280 | measured_string_ref setting; |
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281 | char * name; |
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282 | char * value; |
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283 | |||
284 | // from the beginning |
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285 | name = line; |
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286 | // skip spaces |
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287 | while( isspace( * name )) ++ name; |
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288 | // remember the name start |
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289 | value = name; |
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290 | // skip the name |
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291 | while( isalnum( * value ) || ( * value == '_' )){ |
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292 | // make uppercase |
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293 | // * value = toupper( * value ); |
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294 | ++ value; |
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295 | } |
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296 | if( * value == '=' ){ |
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297 | // terminate the name |
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298 | * value = '\0'; |
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299 | }else{ |
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300 | // terminate the name |
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301 | * value = '\0'; |
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302 | // skip until '=' |
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303 | ++ value; |
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304 | while(( * value ) && ( * value != '=' )) ++ value; |
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305 | // not found? |
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306 | if( * value != '=' ) return EINVAL; |
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307 | } |
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308 | ++ value; |
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309 | // skip spaces |
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310 | while( isspace( * value )) ++ value; |
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311 | // create a bulk measured string till the end |
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312 | setting = measured_string_create_bulk( value, -1 ); |
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313 | if( ! setting ) return ENOMEM; |
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314 | // add the configuration setting |
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3912 | mejdrech | 315 | if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){ |
3666 | mejdrech | 316 | free( setting ); |
317 | return ERROR_CODE; |
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318 | } |
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319 | return EOK; |
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320 | } |
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321 | */ |
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322 | |||
323 | int add_configuration( measured_strings_ref configuration, const char * name, const char * value ){ |
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324 | ERROR_DECLARE; |
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325 | |||
326 | measured_string_ref setting; |
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327 | |||
328 | setting = measured_string_create_bulk( value, 0 ); |
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329 | if( ! setting ) return ENOMEM; |
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330 | // add the configuration setting |
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3912 | mejdrech | 331 | if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){ |
3666 | mejdrech | 332 | free( setting ); |
333 | return ERROR_CODE; |
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334 | } |
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335 | return EOK; |
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336 | } |
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337 | |||
3846 | mejdrech | 338 | device_id_t generate_new_device_id( void ){ |
4163 | mejdrech | 339 | return device_assign_devno(); |
3666 | mejdrech | 340 | } |
341 | |||
342 | int read_configuration( void ){ |
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343 | ERROR_DECLARE; |
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344 | |||
4192 | mejdrech | 345 | // read general configuration |
4307 | mejdrech | 346 | ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "IPV", "4" )); |
4743 | mejdrech | 347 | ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "IP_ROUTING", "no" )); |
4307 | mejdrech | 348 | ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "MTU", "1500" )); |
4720 | mejdrech | 349 | ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ERROR_REPORTING", "yes" )); //anything else not starting with 'y' |
350 | ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ECHO_REPLYING", "yes" )); //anything else not starting with 'y' |
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4722 | mejdrech | 351 | ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "UDP_CHECKSUM_COMPUTING", "yes" )); //anything else not starting with 'y' |
4730 | mejdrech | 352 | ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "UDP_AUTOBINDING", "yes" )); //anything else not starting with 'y' |
4192 | mejdrech | 353 | return EOK; |
354 | } |
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355 | |||
4720 | mejdrech | 356 | int read_netif_configuration( char * name, netif_ref netif ){ |
357 | ERROR_DECLARE; |
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358 | |||
359 | if( str_lcmp( name, "lo", 2 ) == 0 ){ |
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360 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", LO_NAME )); |
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361 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", LO_NAME )); |
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362 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME )); |
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363 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" )); |
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364 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" )); |
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4743 | mejdrech | 365 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_NETMASK", "255.0.0.0" )); |
4720 | mejdrech | 366 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "15535" )); |
367 | }else if( str_lcmp( name, "ne2k", 4 ) == 0 ){ |
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368 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", "eth0" )); |
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369 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", DP8390_NAME )); |
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370 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_MODE", "DIX" )); //8023_2_LSAP( not supported ), 8023_2_SNAP |
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371 | // ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_DUMMY", "yes" )); //anything else not starting with 'y' |
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372 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME )); |
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373 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IRQ", "9" )); |
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374 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IO", "300" )); |
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4752 | mejdrech | 375 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "1492" )); |
4720 | mejdrech | 376 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" )); |
377 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "10.0.2.15" )); |
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378 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" )); |
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4743 | mejdrech | 379 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_NETMASK", "255.255.255.240" )); |
380 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_BROADCAST", "10.0.2.255" )); |
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381 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_GATEWAY", "10.0.2.2" )); |
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4720 | mejdrech | 382 | ERROR_PROPAGATE( add_configuration( & netif->configuration, "ARP", "arp" )); |
383 | } |
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384 | return read_netif_configuration_build( name, netif ); |
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385 | } |
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386 | |||
4192 | mejdrech | 387 | int start_device( netif_ref netif ){ |
388 | ERROR_DECLARE; |
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389 | |||
3666 | mejdrech | 390 | measured_string_ref setting; |
4163 | mejdrech | 391 | services_t internet_service; |
392 | int irq; |
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393 | int io; |
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394 | int mtu; |
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3666 | mejdrech | 395 | |
396 | // mandatory netif |
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4163 | mejdrech | 397 | setting = measured_strings_find( & netif->configuration, CONF_NETIF, 0 ); |
4307 | mejdrech | 398 | netif->driver = get_running_module( & net_globals.modules, setting->value ); |
3846 | mejdrech | 399 | if( ! netif->driver ){ |
4307 | mejdrech | 400 | printf( "Failed to start the network interface driver %s\n", setting->value ); |
3666 | mejdrech | 401 | return EINVAL; |
402 | } |
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4163 | mejdrech | 403 | // optional network interface layer |
404 | setting = measured_strings_find( & netif->configuration, CONF_NIL, 0 ); |
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3666 | mejdrech | 405 | if( setting ){ |
4307 | mejdrech | 406 | netif->nil = get_running_module( & net_globals.modules, setting->value ); |
3846 | mejdrech | 407 | if( ! netif->nil ){ |
4307 | mejdrech | 408 | printf( "Failed to start the network interface layer %s\n", setting->value ); |
3666 | mejdrech | 409 | return EINVAL; |
410 | } |
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411 | }else{ |
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3846 | mejdrech | 412 | netif->nil = NULL; |
3666 | mejdrech | 413 | } |
414 | // mandatory internet layer |
||
4163 | mejdrech | 415 | setting = measured_strings_find( & netif->configuration, CONF_IL, 0 ); |
4307 | mejdrech | 416 | netif->il = get_running_module( & net_globals.modules, setting->value ); |
3846 | mejdrech | 417 | if( ! netif->il ){ |
4307 | mejdrech | 418 | printf( "Failed to start the internet layer %s\n", setting->value ); |
3666 | mejdrech | 419 | return EINVAL; |
420 | } |
||
3685 | mejdrech | 421 | // end of the static loopback initialization |
422 | // startup the loopback interface |
||
4163 | mejdrech | 423 | setting = measured_strings_find( & netif->configuration, CONF_IRQ, 0 ); |
424 | irq = setting ? strtol( setting->value, NULL, 10 ) : 0; |
||
425 | setting = measured_strings_find( & netif->configuration, CONF_IO, 0 ); |
||
426 | io = setting ? strtol( setting->value, NULL, 16 ) : 0; |
||
4243 | mejdrech | 427 | ERROR_PROPAGATE( netif_probe_req( netif->driver->phone, netif->id, irq, io )); |
3846 | mejdrech | 428 | if( netif->nil ){ |
4163 | mejdrech | 429 | setting = measured_strings_find( & netif->configuration, CONF_MTU, 0 ); |
430 | if( ! setting ){ |
||
4307 | mejdrech | 431 | setting = measured_strings_find( & net_globals.configuration, CONF_MTU, 0 ); |
4163 | mejdrech | 432 | } |
433 | mtu = setting ? strtol( setting->value, NULL, 10 ) : 0; |
||
4261 | mejdrech | 434 | ERROR_PROPAGATE( nil_device_req( netif->nil->phone, netif->id, mtu, netif->driver->service )); |
3846 | mejdrech | 435 | internet_service = netif->nil->service; |
3685 | mejdrech | 436 | }else{ |
3846 | mejdrech | 437 | internet_service = netif->driver->service; |
3685 | mejdrech | 438 | } |
4307 | mejdrech | 439 | switch( netif->il->service ){ |
440 | case SERVICE_IP: |
||
441 | ERROR_PROPAGATE( ip_device_req( netif->il->phone, netif->id, internet_service )); |
||
442 | break; |
||
443 | default: |
||
444 | return ENOENT; |
||
445 | } |
||
4243 | mejdrech | 446 | ERROR_PROPAGATE( netif_start_req( netif->driver->phone, netif->id )); |
3666 | mejdrech | 447 | return EOK; |
448 | } |
||
449 | |||
450 | int startup( void ){ |
||
451 | ERROR_DECLARE; |
||
452 | |||
4192 | mejdrech | 453 | char * conf_files[] = { "lo", "ne2k" }; |
454 | int count = sizeof( conf_files ) / sizeof( char * ); |
||
455 | int index; |
||
456 | netif_ref netif; |
||
457 | int i; |
||
458 | measured_string_ref setting; |
||
3666 | mejdrech | 459 | |
4192 | mejdrech | 460 | for( i = 0; i < count; ++ i ){ |
461 | netif = ( netif_ref ) malloc( sizeof( netif_t )); |
||
462 | if( ! netif ) return ENOMEM; |
||
463 | |||
464 | netif->id = generate_new_device_id(); |
||
465 | if( ! netif->id ) return EXDEV; |
||
466 | ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration )); |
||
467 | // read configuration files |
||
468 | if( ERROR_OCCURRED( read_netif_configuration( conf_files[ i ], netif ))){ |
||
469 | measured_strings_destroy( & netif->configuration ); |
||
470 | free( netif ); |
||
471 | return ERROR_CODE; |
||
472 | } |
||
473 | // mandatory name |
||
474 | setting = measured_strings_find( & netif->configuration, CONF_NAME, 0 ); |
||
475 | if( ! setting ){ |
||
4307 | mejdrech | 476 | printf( "The name is missing\n" ); |
4192 | mejdrech | 477 | measured_strings_destroy( & netif->configuration ); |
478 | free( netif ); |
||
479 | return EINVAL; |
||
480 | } |
||
481 | netif->name = setting->value; |
||
482 | // add to the netifs map |
||
4307 | mejdrech | 483 | index = netifs_add( & net_globals.netifs, netif->id, netif ); |
4192 | mejdrech | 484 | if( index < 0 ){ |
485 | measured_strings_destroy( & netif->configuration ); |
||
486 | free( netif ); |
||
487 | return index; |
||
488 | } |
||
489 | // add to the netif names map |
||
4307 | mejdrech | 490 | if( ERROR_OCCURRED( char_map_add( & net_globals.netif_names, netif->name, 0, index )) |
4192 | mejdrech | 491 | // start network interfaces and needed modules |
492 | || ERROR_OCCURRED( start_device( netif ))){ |
||
493 | measured_strings_destroy( & netif->configuration ); |
||
4307 | mejdrech | 494 | netifs_exclude_index( & net_globals.netifs, index ); |
4192 | mejdrech | 495 | return ERROR_CODE; |
496 | } |
||
497 | // increment modules' usage |
||
498 | ++ netif->driver->usage; |
||
499 | if( netif->nil ) ++ netif->nil->usage; |
||
500 | ++ netif->il->usage; |
||
4307 | mejdrech | 501 | printf( "New network interface started:\n\tname\t= %s\n\tid\t= %d\n\tdriver\t= %s\n\tnil\t= %s\n\til\t= %s\n", netif->name, netif->id, netif->driver->name, netif->nil ? netif->nil->name : NULL, netif->il->name ); |
4192 | mejdrech | 502 | } |
3666 | mejdrech | 503 | return EOK; |
504 | } |
||
505 | |||
3466 | mejdrech | 506 | /** @} |
507 | */ |