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3466 mejdrech 1
/*
3912 mejdrech 2
 * Copyright (c) 2009 Lukas Mejdrech
3466 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
3912 mejdrech 30
 *  @{
3466 mejdrech 31
 */
32
 
33
/** @file
4350 mejdrech 34
 *  Networking subsystem central module implementation.
3466 mejdrech 35
 */
36
 
37
#include <async.h>
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>
47
 
3666 mejdrech 48
#include "../err.h"
49
#include "../messages.h"
3466 mejdrech 50
#include "../modules.h"
51
 
3886 mejdrech 52
#include "../structures/char_map.h"
53
#include "../structures/generic_char_map.h"
54
#include "../structures/measured_strings.h"
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"
62
#include "../include/net_interface.h"
63
#include "../include/ip_interface.h"
3466 mejdrech 64
 
4307 mejdrech 65
#include "net.h"
3466 mejdrech 66
 
4350 mejdrech 67
/** Networking module name.
68
 */
3901 mejdrech 69
#define NAME    "Networking"
70
 
4350 mejdrech 71
/** Prints the module name.
72
 *  @see NAME
73
 */
4307 mejdrech 74
void    module_print_name( void );
4350 mejdrech 75
 
76
/** Starts the networking module.
77
 *  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.
78
 *  @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter.
79
 *  @returns EOK on successful module termination.
80
 *  @returns Other error codes as defined for the net_initialize() function.
81
 *  @returns Other error codes as defined for the REGISTER_ME() macro function.
82
 */
4307 mejdrech 83
int module_start( async_client_conn_t client_connection );
4350 mejdrech 84
 
3666 mejdrech 85
//int       parse_line( measured_strings_ref configuration, char * line );
4350 mejdrech 86
 
87
/** Reads the networking subsystem global configuration.
88
 *  @returns EOK on success.
89
 *  @returns Other error codes as defined for the add_configuration() function.
90
 */
3666 mejdrech 91
int     read_configuration( void );
4350 mejdrech 92
 
93
/** Starts the network interface according to its configuration.
94
 *  Registers the network interface with the subsystem modules.
95
 *  Starts the needed subsystem modules.
96
 *  @param netif The network interface specific data.
97
 *  @returns EOK on success.
98
 *  @returns EINVAL if there are some settings missing.
99
 *  @returns ENOENT if the internet protocol module is not known.
100
 *  @returns Other error codes as defined for the netif_probe_req() function.
101
 *  @returns Other error codes as defined for the nil_device_req() function.
102
 *  @returns Other error codes as defined for the needed internet layer registering function.
103
 */
4192 mejdrech 104
int     start_device( netif_ref netif );
4350 mejdrech 105
 
106
/** Reads the configuration and starts all network interfaces.
107
 *  @returns EOK on success.
108
 *  @returns EXDEV if there is no available system-unique device identifier.
109
 *  @returns EINVAL if any of the network interface names are not configured.
110
 *  @returns ENOMEM if there is not enough memory left.
111
 *  @returns Other error codes as defined for the read_configuration() function.
112
 *  @returns Other error codes as defined for the read_netif_configuration() function.
113
 *  @returns Other error codes as defined for the start_device() function.
114
 */
3666 mejdrech 115
int     startup( void );
4350 mejdrech 116
 
117
/** Generates new system-unique device identifier.
118
 *  @returns The system-unique devic identifier.
119
 */
3846 mejdrech 120
device_id_t generate_new_device_id( void );
3666 mejdrech 121
 
4350 mejdrech 122
/** Returns the configured values.
123
 *  The network interface configuration is searched first.
124
 *  @param netif_conf The network interface configuration setting. Input parameter.
125
 *  @param configuration The found configured values. Output parameter.
126
 *  @param count The desired settings count. Input parameter.
127
 *  @param data The found configuration settings data. Output parameter.
128
 *  @returns EOK.
129
 */
4505 mejdrech 130
int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data );
4350 mejdrech 131
 
4720 mejdrech 132
/** Initializes the networking module.
133
 *  @param client_connection The client connection processing function. The module skeleton propagates its own one. Input parameter.
134
 *  @returns EOK on success.
135
 *  @returns ENOMEM if there is not enough memory left.
136
 */
137
int net_initialize( async_client_conn_t client_connection );
138
 
139
/** Reads the network interface specific configuration.
140
 *  @param name The network interface name. Input parameter.
141
 *  @param netif The network interface structure. Input/output parameter.
142
 *  @returns EOK on success.
143
 *  @returns Other error codes as defined for the add_configuration() function.
144
 */
145
int read_netif_configuration( char * name, netif_ref netif );
146
 
4350 mejdrech 147
/** Networking module global data.
148
 */
4307 mejdrech 149
net_globals_t   net_globals;
3666 mejdrech 150
 
151
DEVICE_MAP_IMPLEMENT( netifs, netif_t )
152
 
153
GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t )
154
 
4307 mejdrech 155
void module_print_name( void ){
4197 mejdrech 156
    printf( "%s", NAME );
3901 mejdrech 157
}
158
 
4307 mejdrech 159
int module_start( async_client_conn_t client_connection ){
3846 mejdrech 160
    ERROR_DECLARE;
3466 mejdrech 161
 
3846 mejdrech 162
    ipcarg_t    phonehash;
163
 
164
    async_set_client_connection( client_connection );
3901 mejdrech 165
    ERROR_PROPAGATE( pm_init());
4351 mejdrech 166
    if( ERROR_OCCURRED( net_initialize( client_connection ))
3914 mejdrech 167
    || ERROR_OCCURRED( REGISTER_ME( SERVICE_NETWORKING, & phonehash ))){
168
        pm_destroy();
169
        return ERROR_CODE;
170
    }
171
 
3846 mejdrech 172
    async_manager();
173
 
3914 mejdrech 174
    pm_destroy();
3666 mejdrech 175
    return EOK;
176
}
177
 
4720 mejdrech 178
int net_initialize( async_client_conn_t client_connection ){
179
    ERROR_DECLARE;
180
 
181
    netifs_initialize( & net_globals.netifs );
182
    char_map_initialize( & net_globals.netif_names );
183
    modules_initialize( & net_globals.modules );
184
    measured_strings_initialize( & net_globals.configuration );
185
 
186
    // TODO dynamic configuration
187
    ERROR_PROPAGATE( read_configuration());
188
 
189
    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0, connect_to_service ));
190
    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, DP8390_NAME, DP8390_FILENAME, SERVICE_DP8390, 0, connect_to_service ));
191
    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0, connect_to_service ));
192
    ERROR_PROPAGATE( add_module( NULL, & net_globals.modules, NILDUMMY_NAME, NILDUMMY_FILENAME, SERVICE_NILDUMMY, 0, connect_to_service ));
193
 
194
    // build specific initialization
195
    return net_initialize_build( client_connection );
196
}
197
 
4505 mejdrech 198
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 199
    netif_ref   netif;
3666 mejdrech 200
 
4307 mejdrech 201
    if( !( configuration && ( count > 0 ))) return EINVAL;
202
    netif = netifs_find( & net_globals.netifs, device_id );
203
    if( netif ){
204
        return net_get_conf( & netif->configuration, * configuration, count, data );
205
    }else{
206
        return net_get_conf( NULL, * configuration, count, data );
207
    }
208
}
3666 mejdrech 209
 
4505 mejdrech 210
int net_get_conf_req( int net_phone, measured_string_ref * configuration, size_t count, char ** data ){
4307 mejdrech 211
    if( !( configuration && ( count > 0 ))) return EINVAL;
212
    return net_get_conf( NULL, * configuration, count, data );
213
}
3666 mejdrech 214
 
4505 mejdrech 215
int net_get_conf( measured_strings_ref netif_conf, measured_string_ref configuration, size_t count, char ** data ){
4307 mejdrech 216
    measured_string_ref setting;
4505 mejdrech 217
    size_t              index;
3666 mejdrech 218
 
4307 mejdrech 219
    if( data ) * data = NULL;
220
    for( index = 0; index < count; ++ index ){
4350 mejdrech 221
        setting = measured_strings_find( netif_conf, configuration[ index ].value, 0 );
4307 mejdrech 222
        if( ! setting ){
223
            setting = measured_strings_find( & net_globals.configuration, configuration[ index ].value, 0 );
224
        }
225
        if( setting ){
226
            configuration[ index ].length = setting->length;
227
            configuration[ index ].value = setting->value;
228
        }else{
229
            configuration[ index ].length = 0;
230
            configuration[ index ].value = NULL;
231
        }
232
    }
233
    return EOK;
234
}
3666 mejdrech 235
 
4307 mejdrech 236
void net_free_settings( measured_string_ref settings, char * data ){
237
}
3666 mejdrech 238
 
4307 mejdrech 239
int net_connect_module( services_t service ){
3666 mejdrech 240
    return EOK;
241
}
242
 
3901 mejdrech 243
int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
3666 mejdrech 244
    ERROR_DECLARE;
245
 
246
    measured_string_ref strings;
4307 mejdrech 247
    char *              data;
3666 mejdrech 248
 
3901 mejdrech 249
    * answer_count = 0;
250
    switch( IPC_GET_METHOD( * call )){
3666 mejdrech 251
        case IPC_M_PHONE_HUNGUP:
252
            return EOK;
3846 mejdrech 253
        case NET_NET_DEVICE:
3666 mejdrech 254
            // TODO configure, register
4307 mejdrech 255
            printf( "Networking: new netif %d\n", IPC_GET_DEVICE( call ));
3666 mejdrech 256
            return EOK;
3846 mejdrech 257
        case NET_NET_GET_DEVICE_CONF:
3901 mejdrech 258
            ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
4307 mejdrech 259
            net_get_device_conf_req( 0, IPC_GET_DEVICE( call ), & strings, IPC_GET_COUNT( call ), NULL );
3666 mejdrech 260
            // strings should not contain received data anymore
261
            free( data );
3901 mejdrech 262
            ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
3666 mejdrech 263
            free( strings );
264
            return ERROR_CODE;
3846 mejdrech 265
        case NET_NET_GET_CONF:
3901 mejdrech 266
            ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
4307 mejdrech 267
            net_get_conf_req( 0, & strings, IPC_GET_COUNT( call ), NULL );
3666 mejdrech 268
            // strings should not contain received data anymore
269
            free( data );
3901 mejdrech 270
            ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
3666 mejdrech 271
            free( strings );
272
            return ERROR_CODE;
3846 mejdrech 273
        case NET_NET_STARTUP:
3666 mejdrech 274
            return startup();
275
    }
276
    return ENOTSUP;
277
}
278
 
279
/*
280
int parse_line( measured_strings_ref configuration, char * line ){
281
    ERROR_DECLARE;
282
 
283
    measured_string_ref setting;
284
    char *          name;
285
    char *          value;
286
 
287
    // from the beginning
288
    name = line;
289
    // skip spaces
290
    while( isspace( * name )) ++ name;
291
    // remember the name start
292
    value = name;
293
    // skip the name
294
    while( isalnum( * value ) || ( * value == '_' )){
295
        // make uppercase
296
//      * value = toupper( * value );
297
        ++ value;
298
    }
299
    if( * value == '=' ){
300
        // terminate the name
301
        * value = '\0';
302
    }else{
303
        // terminate the name
304
        * value = '\0';
305
        // skip until '='
306
        ++ value;
307
        while(( * value ) && ( * value != '=' )) ++ value;
308
        // not found?
309
        if( * value != '=' ) return EINVAL;
310
    }
311
    ++ value;
312
    // skip spaces
313
    while( isspace( * value )) ++ value;
314
    // create a bulk measured string till the end
315
    setting = measured_string_create_bulk( value, -1 );
316
    if( ! setting ) return ENOMEM;
317
    // add the configuration setting
3912 mejdrech 318
    if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
3666 mejdrech 319
        free( setting );
320
        return ERROR_CODE;
321
    }
322
    return EOK;
323
}
324
*/
325
 
326
int add_configuration( measured_strings_ref configuration, const char * name, const char * value ){
327
    ERROR_DECLARE;
328
 
329
    measured_string_ref setting;
330
 
331
    setting = measured_string_create_bulk( value, 0 );
332
    if( ! setting ) return ENOMEM;
333
    // add the configuration setting
3912 mejdrech 334
    if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
3666 mejdrech 335
        free( setting );
336
        return ERROR_CODE;
337
    }
338
    return EOK;
339
}
340
 
3846 mejdrech 341
device_id_t generate_new_device_id( void ){
4163 mejdrech 342
    return device_assign_devno();
3666 mejdrech 343
}
344
 
345
int read_configuration( void ){
346
    ERROR_DECLARE;
347
 
4192 mejdrech 348
    // read general configuration
4307 mejdrech 349
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "IPV", "4" ));
350
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "MTU", "1500" ));
4720 mejdrech 351
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ERROR_REPORTING", "yes" ));  //anything else not starting with 'y'
352
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "ICMP_ECHO_REPLYING", "yes" ));  //anything else not starting with 'y'
4722 mejdrech 353
    ERROR_PROPAGATE( add_configuration( & net_globals.configuration, "UDP_CHECKSUM_COMPUTING", "yes" ));  //anything else not starting with 'y'
4192 mejdrech 354
    return EOK;
355
}
356
 
4720 mejdrech 357
int read_netif_configuration( char * name, netif_ref netif ){
358
    ERROR_DECLARE;
359
 
360
    if( str_lcmp( name, "lo", 2 ) == 0 ){
361
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", LO_NAME ));
362
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", LO_NAME ));
363
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
364
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
365
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ));
366
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));
367
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ));
368
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "15535" ));
369
    }else if( str_lcmp( name, "ne2k", 4 ) == 0 ){
370
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NAME", "eth0" ));
371
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETIF", DP8390_NAME ));
372
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_MODE", "DIX" )); //8023_2_LSAP( not supported ), 8023_2_SNAP
373
//      ERROR_PROPAGATE( add_configuration( & netif->configuration, "ETH_DUMMY", "yes" )); //anything else not starting with 'y'
374
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IL", IP_NAME ));
375
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IRQ", "9" ));
376
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IO", "300" ));
377
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "MTU", "576" ));
378
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_CONFIG", "static" ));
379
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ADDR", "10.0.2.15" ));
380
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "IP_ROUTING", "yes" ));
381
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "NETMASK", "255.255.255.240" ));
382
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "BROADCAST", "10.0.2.255" ));
383
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "GATEWAY", "10.0.2.2" ));
384
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS1", "10.0.2.2" ));
385
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "DNS2", "10.0.2.2" ));
386
        ERROR_PROPAGATE( add_configuration( & netif->configuration, "ARP", "arp" ));
387
    }
388
    return read_netif_configuration_build( name, netif );
389
}
390
 
4192 mejdrech 391
int start_device( netif_ref netif ){
392
    ERROR_DECLARE;
393
 
3666 mejdrech 394
    measured_string_ref setting;
4163 mejdrech 395
    services_t          internet_service;
396
    int                 irq;
397
    int                 io;
398
    int                 mtu;
3666 mejdrech 399
 
400
    // mandatory netif
4163 mejdrech 401
    setting = measured_strings_find( & netif->configuration, CONF_NETIF, 0 );
4307 mejdrech 402
    netif->driver = get_running_module( & net_globals.modules, setting->value );
3846 mejdrech 403
    if( ! netif->driver ){
4307 mejdrech 404
        printf( "Failed to start the network interface driver %s\n", setting->value );
3666 mejdrech 405
        return EINVAL;
406
    }
4163 mejdrech 407
    // optional network interface layer
408
    setting = measured_strings_find( & netif->configuration, CONF_NIL, 0 );
3666 mejdrech 409
    if( setting ){
4307 mejdrech 410
        netif->nil = get_running_module( & net_globals.modules, setting->value );
3846 mejdrech 411
        if( ! netif->nil ){
4307 mejdrech 412
            printf( "Failed to start the network interface layer %s\n", setting->value );
3666 mejdrech 413
            return EINVAL;
414
        }
415
    }else{
3846 mejdrech 416
        netif->nil = NULL;
3666 mejdrech 417
    }
418
    // mandatory internet layer
4163 mejdrech 419
    setting = measured_strings_find( & netif->configuration, CONF_IL, 0 );
4307 mejdrech 420
    netif->il = get_running_module( & net_globals.modules, setting->value );
3846 mejdrech 421
    if( ! netif->il ){
4307 mejdrech 422
        printf( "Failed to start the internet layer %s\n", setting->value );
3666 mejdrech 423
        return EINVAL;
424
    }
3685 mejdrech 425
    // end of the static loopback initialization
426
    // startup the loopback interface
4163 mejdrech 427
    setting = measured_strings_find( & netif->configuration, CONF_IRQ, 0 );
428
    irq = setting ? strtol( setting->value, NULL, 10 ) : 0;
429
    setting = measured_strings_find( & netif->configuration, CONF_IO, 0 );
430
    io = setting ? strtol( setting->value, NULL, 16 ) : 0;
4243 mejdrech 431
    ERROR_PROPAGATE( netif_probe_req( netif->driver->phone, netif->id, irq, io ));
3846 mejdrech 432
    if( netif->nil ){
4163 mejdrech 433
        setting = measured_strings_find( & netif->configuration, CONF_MTU, 0 );
434
        if( ! setting ){
4307 mejdrech 435
            setting = measured_strings_find( & net_globals.configuration, CONF_MTU, 0 );
4163 mejdrech 436
        }
437
        mtu = setting ? strtol( setting->value, NULL, 10 ) : 0;
4261 mejdrech 438
        ERROR_PROPAGATE( nil_device_req( netif->nil->phone, netif->id, mtu, netif->driver->service ));
3846 mejdrech 439
        internet_service = netif->nil->service;
3685 mejdrech 440
    }else{
3846 mejdrech 441
        internet_service = netif->driver->service;
3685 mejdrech 442
    }
4307 mejdrech 443
    switch( netif->il->service ){
444
        case SERVICE_IP:
445
            ERROR_PROPAGATE( ip_device_req( netif->il->phone, netif->id, internet_service ));
446
            break;
447
        default:
448
            return ENOENT;
449
    }
4243 mejdrech 450
    ERROR_PROPAGATE( netif_start_req( netif->driver->phone, netif->id ));
3666 mejdrech 451
    return EOK;
452
}
453
 
454
int startup( void ){
455
    ERROR_DECLARE;
456
 
4192 mejdrech 457
    char *      conf_files[] = { "lo", "ne2k" };
458
    int         count = sizeof( conf_files ) / sizeof( char * );
459
    int         index;
460
    netif_ref   netif;
461
    int         i;
462
    measured_string_ref setting;
3666 mejdrech 463
 
4192 mejdrech 464
    for( i = 0; i < count; ++ i ){
465
        netif = ( netif_ref ) malloc( sizeof( netif_t ));
466
        if( ! netif ) return ENOMEM;
467
 
468
        netif->id = generate_new_device_id();
469
        if( ! netif->id ) return EXDEV;
470
        ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration ));
471
        // read configuration files
472
        if( ERROR_OCCURRED( read_netif_configuration( conf_files[ i ], netif ))){
473
            measured_strings_destroy( & netif->configuration );
474
            free( netif );
475
            return ERROR_CODE;
476
        }
477
        // mandatory name
478
        setting = measured_strings_find( & netif->configuration, CONF_NAME, 0 );
479
        if( ! setting ){
4307 mejdrech 480
            printf( "The name is missing\n" );
4192 mejdrech 481
            measured_strings_destroy( & netif->configuration );
482
            free( netif );
483
            return EINVAL;
484
        }
485
        netif->name = setting->value;
486
        // add to the netifs map
4307 mejdrech 487
        index = netifs_add( & net_globals.netifs, netif->id, netif );
4192 mejdrech 488
        if( index < 0 ){
489
            measured_strings_destroy( & netif->configuration );
490
            free( netif );
491
            return index;
492
        }
493
        // add to the netif names map
4307 mejdrech 494
        if( ERROR_OCCURRED( char_map_add( & net_globals.netif_names, netif->name, 0, index ))
4192 mejdrech 495
        // start network interfaces and needed modules
496
        || ERROR_OCCURRED( start_device( netif ))){
497
            measured_strings_destroy( & netif->configuration );
4307 mejdrech 498
            netifs_exclude_index( & net_globals.netifs, index );
4192 mejdrech 499
            return ERROR_CODE;
500
        }
501
        // increment modules' usage
502
        ++ netif->driver->usage;
503
        if( netif->nil ) ++ netif->nil->usage;
504
        ++ netif->il->usage;
4307 mejdrech 505
        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 506
    }
3666 mejdrech 507
    return EOK;
508
}
509
 
3466 mejdrech 510
/** @}
511
 */