Subversion Repositories HelenOS

Rev

Rev 4582 | Rev 4703 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4582 Rev 4698
1
/*
1
/*
2
 * Copyright (c) 2009 Lukas Mejdrech
2
 * Copyright (c) 2009 Lukas Mejdrech
3
 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
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
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.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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
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.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
/** @addtogroup netif
29
/** @addtogroup netif
30
 *  @{
30
 *  @{
31
 */
31
 */
32
 
32
 
33
/** @file
33
/** @file
34
 *  Network interface module skeleton implementation.
34
 *  Network interface module skeleton implementation.
35
 *  @see netif.h
35
 *  @see netif.h
36
 */
36
 */
37
 
37
 
38
#include <async.h>
38
#include <async.h>
39
#include <mem.h>
39
#include <mem.h>
40
#include <fibril_sync.h>
40
#include <fibril_sync.h>
41
#include <stdio.h>
41
#include <stdio.h>
42
 
42
 
43
#include <ipc/ipc.h>
43
#include <ipc/ipc.h>
44
#include <ipc/services.h>
44
#include <ipc/services.h>
45
 
45
 
46
#include "../err.h"
46
#include "../err.h"
47
#include "../messages.h"
47
#include "../messages.h"
48
#include "../modules.h"
48
#include "../modules.h"
49
 
49
 
50
#include "../structures/packet/packet.h"
50
#include "../structures/packet/packet.h"
51
#include "../structures/packet/packet_client.h"
51
#include "../structures/packet/packet_client.h"
52
#include "../structures/measured_strings.h"
52
#include "../structures/measured_strings.h"
53
 
53
 
54
#include "../include/device.h"
54
#include "../include/device.h"
55
#include "../include/netif_interface.h"
55
#include "../include/netif_interface.h"
56
#include "../include/nil_interface.h"
56
#include "../include/nil_interface.h"
57
 
57
 
58
#include "netif.h"
58
#include "netif.h"
59
#include "netif_messages.h"
59
#include "netif_messages.h"
60
#include "netif_module.h"
60
#include "netif_module.h"
61
 
61
 
62
/** Network interface module global data.
62
/** Network interface module global data.
63
 */
63
 */
64
extern netif_globals_t netif_globals;
64
extern netif_globals_t netif_globals;
65
 
65
 
66
DEVICE_MAP_IMPLEMENT( device_map, device_t )
66
DEVICE_MAP_IMPLEMENT( device_map, device_t )
67
 
67
 
68
/** Registers the device notification receiver, the network interface layer module.
68
/** Registers the device notification receiver, the network interface layer module.
69
 *  @param device_id The device identifier. Input parameter.
69
 *  @param device_id The device identifier. Input parameter.
70
 *  @param phone The network interface layer module phone. Input parameter.
70
 *  @param phone The network interface layer module phone. Input parameter.
71
 *  @returns EOK on success.
71
 *  @returns EOK on success.
72
 *  @returns ENOENT if there is no such device.
72
 *  @returns ENOENT if there is no such device.
73
 *  @returns ELIMIT if there is another module registered.
73
 *  @returns ELIMIT if there is another module registered.
74
 */
74
 */
75
int register_message( device_id_t device_id, int phone );
75
int register_message( device_id_t device_id, int phone );
76
 
76
 
77
int netif_probe_req( int netif_phone, device_id_t device_id, int irq, int io ){
77
int netif_probe_req( int netif_phone, device_id_t device_id, int irq, int io ){
78
    int result;
78
    int result;
79
 
79
 
80
    fibril_rwlock_write_lock( & netif_globals.lock );
80
    fibril_rwlock_write_lock( & netif_globals.lock );
81
    result = netif_probe_message( device_id, irq, io );
81
    result = netif_probe_message( device_id, irq, io );
82
    fibril_rwlock_write_unlock( & netif_globals.lock );
82
    fibril_rwlock_write_unlock( & netif_globals.lock );
83
    return result;
83
    return result;
84
}
84
}
85
 
85
 
86
int netif_send_msg( int netif_phone, device_id_t device_id, packet_t packet, services_t sender ){
86
int netif_send_msg( int netif_phone, device_id_t device_id, packet_t packet, services_t sender ){
87
    int result;
87
    int result;
88
 
88
 
89
    fibril_rwlock_write_lock( & netif_globals.lock );
89
    fibril_rwlock_write_lock( & netif_globals.lock );
90
    result = netif_send_message( device_id, packet, sender );
90
    result = netif_send_message( device_id, packet, sender );
91
    fibril_rwlock_write_unlock( & netif_globals.lock );
91
    fibril_rwlock_write_unlock( & netif_globals.lock );
92
    return result;
92
    return result;
93
}
93
}
94
 
94
 
95
int netif_start_req( int netif_phone, device_id_t device_id ){
95
int netif_start_req( int netif_phone, device_id_t device_id ){
96
    ERROR_DECLARE;
96
    ERROR_DECLARE;
97
 
97
 
98
    device_ref  device;
98
    device_ref  device;
99
    int result;
99
    int result;
100
    int phone;
100
    int phone;
101
 
101
 
102
    fibril_rwlock_write_lock( & netif_globals.lock );
102
    fibril_rwlock_write_lock( & netif_globals.lock );
103
    if( ERROR_OCCURRED( find_device( device_id, & device ))){
103
    if( ERROR_OCCURRED( find_device( device_id, & device ))){
104
        fibril_rwlock_write_unlock( & netif_globals.lock );
104
        fibril_rwlock_write_unlock( & netif_globals.lock );
105
        return ERROR_CODE;
105
        return ERROR_CODE;
106
    }
106
    }
107
    result = netif_start_message( device );
107
    result = netif_start_message( device );
108
    if( result > NETIF_NULL ){
108
    if( result > NETIF_NULL ){
109
        phone = device->nil_phone;
109
        phone = device->nil_phone;
110
        fibril_rwlock_write_unlock( & netif_globals.lock );
110
        fibril_rwlock_write_unlock( & netif_globals.lock );
111
        nil_device_state_msg( phone, device_id, result );
111
        nil_device_state_msg( phone, device_id, result );
112
        return EOK;
112
        return EOK;
113
    }else{
113
    }else{
114
        fibril_rwlock_write_unlock( & netif_globals.lock );
114
        fibril_rwlock_write_unlock( & netif_globals.lock );
115
    }
115
    }
116
    return result;
116
    return result;
117
}
117
}
118
 
118
 
119
int netif_stop_req( int netif_phone, device_id_t device_id ){
119
int netif_stop_req( int netif_phone, device_id_t device_id ){
120
    ERROR_DECLARE;
120
    ERROR_DECLARE;
121
 
121
 
122
    device_ref  device;
122
    device_ref  device;
123
    int result;
123
    int result;
124
    int phone;
124
    int phone;
125
 
125
 
126
    fibril_rwlock_write_lock( & netif_globals.lock );
126
    fibril_rwlock_write_lock( & netif_globals.lock );
127
    if( ERROR_OCCURRED( find_device( device_id, & device ))){
127
    if( ERROR_OCCURRED( find_device( device_id, & device ))){
128
        fibril_rwlock_write_unlock( & netif_globals.lock );
128
        fibril_rwlock_write_unlock( & netif_globals.lock );
129
        return ERROR_CODE;
129
        return ERROR_CODE;
130
    }
130
    }
131
    result = netif_stop_message( device );
131
    result = netif_stop_message( device );
132
    if( result > NETIF_NULL ){
132
    if( result > NETIF_NULL ){
133
        phone = device->nil_phone;
133
        phone = device->nil_phone;
134
        fibril_rwlock_write_unlock( & netif_globals.lock );
134
        fibril_rwlock_write_unlock( & netif_globals.lock );
135
        nil_device_state_msg( phone, device_id, result );
135
        nil_device_state_msg( phone, device_id, result );
136
        return EOK;
136
        return EOK;
137
    }else{
137
    }else{
138
        fibril_rwlock_write_unlock( & netif_globals.lock );
138
        fibril_rwlock_write_unlock( & netif_globals.lock );
139
    }
139
    }
140
    return result;
140
    return result;
141
}
141
}
142
 
142
 
143
int netif_get_addr( int netif_phone, device_id_t device_id, measured_string_ref * address, char ** data ){
143
int netif_get_addr( int netif_phone, device_id_t device_id, measured_string_ref * address, char ** data ){
144
    ERROR_DECLARE;
144
    ERROR_DECLARE;
145
 
145
 
146
    measured_string_t   translation;
146
    measured_string_t   translation;
147
 
147
 
148
    if( !( address && data )) return EBADMEM;
148
    if( !( address && data )) return EBADMEM;
149
    fibril_rwlock_read_lock( & netif_globals.lock );
149
    fibril_rwlock_read_lock( & netif_globals.lock );
150
    if( ! ERROR_OCCURRED( netif_get_addr_message( device_id, & translation ))){
150
    if( ! ERROR_OCCURRED( netif_get_addr_message( device_id, & translation ))){
151
        * address = measured_string_copy( & translation );
151
        * address = measured_string_copy( & translation );
152
        ERROR_CODE = ( * address ) ? EOK : ENOMEM;
152
        ERROR_CODE = ( * address ) ? EOK : ENOMEM;
153
    }
153
    }
154
    fibril_rwlock_read_unlock( & netif_globals.lock );
154
    fibril_rwlock_read_unlock( & netif_globals.lock );
155
    * data = ( ** address ).value;
155
    * data = ( ** address ).value;
156
    return ERROR_CODE;
156
    return ERROR_CODE;
157
}
157
}
158
 
158
 
159
int netif_bind_service( services_t service, device_id_t device_id, services_t me, async_client_conn_t receiver ){
159
int netif_bind_service( services_t service, device_id_t device_id, services_t me, async_client_conn_t receiver ){
160
    return EOK;
160
    return EOK;
161
}
161
}
162
 
162
 
163
int find_device( device_id_t device_id, device_ref * device ){
163
int find_device( device_id_t device_id, device_ref * device ){
164
    if( ! device ) return EBADMEM;
164
    if( ! device ) return EBADMEM;
165
    * device = device_map_find( & netif_globals.device_map, device_id );
165
    * device = device_map_find( & netif_globals.device_map, device_id );
166
    if( ! * device ) return ENOENT;
166
    if( ! * device ) return ENOENT;
167
    if(( ** device ).state == NETIF_NULL ) return EPERM;
167
    if(( ** device ).state == NETIF_NULL ) return EPERM;
168
    return EOK;
168
    return EOK;
169
}
169
}
170
 
170
 
171
void null_device_stats( device_stats_ref stats ){
171
void null_device_stats( device_stats_ref stats ){
172
    bzero( stats, sizeof( device_stats_t ));
172
    bzero( stats, sizeof( device_stats_t ));
173
}
173
}
174
 
174
 
175
int register_message( device_id_t device_id, int phone ){
175
int register_message( device_id_t device_id, int phone ){
176
    ERROR_DECLARE;
176
    ERROR_DECLARE;
177
 
177
 
178
    device_ref  device;
178
    device_ref  device;
179
 
179
 
180
    ERROR_PROPAGATE( find_device( device_id, & device ));
180
    ERROR_PROPAGATE( find_device( device_id, & device ));
181
    if( device->nil_phone > 0 ) return ELIMIT;
181
    if( device->nil_phone > 0 ) return ELIMIT;
182
    device->nil_phone = phone;
182
    device->nil_phone = phone;
183
    printf( "New receiver of the device %d registered:\n\tphone\t= %d\n", device->device_id, device->nil_phone );
183
    printf( "New receiver of the device %d registered:\n\tphone\t= %d\n", device->device_id, device->nil_phone );
184
    return EOK;
184
    return EOK;
185
}
185
}
186
 
186
 
187
int netif_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
187
int netif_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
188
    ERROR_DECLARE;
188
    ERROR_DECLARE;
189
 
189
 
190
    size_t              length;
190
    size_t              length;
191
    device_stats_t      stats;
191
    device_stats_t      stats;
192
    packet_t            packet;
192
    packet_t            packet;
193
    measured_string_t   address;
193
    measured_string_t   address;
194
 
194
 
195
//  printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_NETIF_FIRST );
195
//  printf( "message %d - %d\n", IPC_GET_METHOD( * call ), NET_NETIF_FIRST );
196
    * answer_count = 0;
196
    * answer_count = 0;
197
    switch( IPC_GET_METHOD( * call )){
197
    switch( IPC_GET_METHOD( * call )){
198
        case IPC_M_PHONE_HUNGUP:
198
        case IPC_M_PHONE_HUNGUP:
199
            return EOK;
199
            return EOK;
200
        case NET_NETIF_PROBE_AUTO:
200
        case NET_NETIF_PROBE_AUTO:
201
            fibril_rwlock_write_lock( & netif_globals.lock );
201
            fibril_rwlock_write_lock( & netif_globals.lock );
202
            ERROR_CODE = netif_probe_auto_message();
202
            ERROR_CODE = netif_probe_auto_message();
203
            fibril_rwlock_write_unlock( & netif_globals.lock );
203
            fibril_rwlock_write_unlock( & netif_globals.lock );
204
            return ERROR_CODE;
204
            return ERROR_CODE;
205
        case NET_NETIF_PROBE:
205
        case NET_NETIF_PROBE:
206
            return netif_probe_req( 0, IPC_GET_DEVICE( call ), NETIF_GET_IRQ( call ), NETIF_GET_IO( call ));
206
            return netif_probe_req( 0, IPC_GET_DEVICE( call ), NETIF_GET_IRQ( call ), NETIF_GET_IO( call ));
207
        case IPC_M_CONNECT_TO_ME:
207
        case IPC_M_CONNECT_TO_ME:
208
            fibril_rwlock_write_lock( & netif_globals.lock );
208
            fibril_rwlock_write_lock( & netif_globals.lock );
209
            ERROR_CODE = register_message( IPC_GET_DEVICE( call ), IPC_GET_PHONE( call ));
209
            ERROR_CODE = register_message( IPC_GET_DEVICE( call ), IPC_GET_PHONE( call ));
210
            fibril_rwlock_write_unlock( & netif_globals.lock );
210
            fibril_rwlock_write_unlock( & netif_globals.lock );
211
            return ERROR_CODE;
211
            return ERROR_CODE;
212
        case NET_NETIF_SEND:
212
        case NET_NETIF_SEND:
213
        case NET_NIL_SEND:
-
 
214
            ERROR_PROPAGATE( packet_translate( netif_globals.net_phone, & packet, IPC_GET_PACKET( call )));
213
            ERROR_PROPAGATE( packet_translate( netif_globals.net_phone, & packet, IPC_GET_PACKET( call )));
215
            return netif_send_msg( 0, IPC_GET_DEVICE( call ), packet, IPC_GET_SENDER( call ));
214
            return netif_send_msg( 0, IPC_GET_DEVICE( call ), packet, IPC_GET_SENDER( call ));
216
        case NET_NETIF_START:
215
        case NET_NETIF_START:
217
            return netif_start_req( 0, IPC_GET_DEVICE( call ));
216
            return netif_start_req( 0, IPC_GET_DEVICE( call ));
218
        case NET_NETIF_STATS:
217
        case NET_NETIF_STATS:
219
            fibril_rwlock_read_lock( & netif_globals.lock );
218
            fibril_rwlock_read_lock( & netif_globals.lock );
220
            if( ! ERROR_OCCURRED( ipc_data_read_receive( & callid, & length ))){
219
            if( ! ERROR_OCCURRED( ipc_data_read_receive( & callid, & length ))){
221
                if( length < sizeof( device_stats_t )){
220
                if( length < sizeof( device_stats_t )){
222
                    ERROR_CODE = EOVERFLOW;
221
                    ERROR_CODE = EOVERFLOW;
223
                }else{
222
                }else{
224
                    if( ! ERROR_OCCURRED( netif_get_device_stats( IPC_GET_DEVICE( call ), & stats ))){
223
                    if( ! ERROR_OCCURRED( netif_get_device_stats( IPC_GET_DEVICE( call ), & stats ))){
225
                        ERROR_CODE = ipc_data_read_finalize( callid, & stats, sizeof( device_stats_t ));
224
                        ERROR_CODE = ipc_data_read_finalize( callid, & stats, sizeof( device_stats_t ));
226
                    }
225
                    }
227
                }
226
                }
228
            }
227
            }
229
            fibril_rwlock_read_unlock( & netif_globals.lock );
228
            fibril_rwlock_read_unlock( & netif_globals.lock );
230
            return ERROR_CODE;
229
            return ERROR_CODE;
231
        case NET_NETIF_STOP:
230
        case NET_NETIF_STOP:
232
            return netif_stop_req( 0, IPC_GET_DEVICE( call ));
231
            return netif_stop_req( 0, IPC_GET_DEVICE( call ));
233
        case NET_NETIF_GET_ADDR:
232
        case NET_NETIF_GET_ADDR:
234
        case NET_NIL_ADDR:
-
 
235
            fibril_rwlock_read_lock( & netif_globals.lock );
233
            fibril_rwlock_read_lock( & netif_globals.lock );
236
            if( ! ERROR_OCCURRED( netif_get_addr_message( IPC_GET_DEVICE( call ), & address ))){
234
            if( ! ERROR_OCCURRED( netif_get_addr_message( IPC_GET_DEVICE( call ), & address ))){
237
                ERROR_CODE = measured_strings_reply( & address, 1 );
235
                ERROR_CODE = measured_strings_reply( & address, 1 );
238
            }
236
            }
239
            fibril_rwlock_read_unlock( & netif_globals.lock );
237
            fibril_rwlock_read_unlock( & netif_globals.lock );
240
            return ERROR_CODE;
238
            return ERROR_CODE;
241
    }
239
    }
242
    return netif_specific_message( callid, call, answer, answer_count );
240
    return netif_specific_message( callid, call, answer, answer_count );
243
}
241
}
244
 
242
 
245
int netif_init_module( async_client_conn_t client_connection ){
243
int netif_init_module( async_client_conn_t client_connection ){
246
    ERROR_DECLARE;
244
    ERROR_DECLARE;
247
 
245
 
248
    async_set_client_connection( client_connection );
246
    async_set_client_connection( client_connection );
249
    netif_globals.net_phone = connect_to_service( SERVICE_NETWORKING );
247
    netif_globals.net_phone = connect_to_service( SERVICE_NETWORKING );
250
    device_map_initialize( & netif_globals.device_map );
248
    device_map_initialize( & netif_globals.device_map );
251
    ERROR_PROPAGATE( pm_init());
249
    ERROR_PROPAGATE( pm_init());
252
    fibril_rwlock_initialize( & netif_globals.lock );
250
    fibril_rwlock_initialize( & netif_globals.lock );
253
    if( ERROR_OCCURRED( netif_initialize())){
251
    if( ERROR_OCCURRED( netif_initialize())){
254
        pm_destroy();
252
        pm_destroy();
255
        return ERROR_CODE;
253
        return ERROR_CODE;
256
    }
254
    }
257
    return EOK;
255
    return EOK;
258
}
256
}
259
 
257
 
260
int netif_run_module( void ){
258
int netif_run_module( void ){
261
    async_manager();
259
    async_manager();
262
 
260
 
263
    pm_destroy();
261
    pm_destroy();
264
    return EOK;
262
    return EOK;
265
}
263
}
266
 
264
 
267
void netif_pq_release( packet_id_t packet_id ){
265
void netif_pq_release( packet_id_t packet_id ){
268
    pq_release( netif_globals.net_phone, packet_id );
266
    pq_release( netif_globals.net_phone, packet_id );
269
}
267
}
270
 
268
 
271
packet_t netif_packet_get_1( size_t content ){
269
packet_t netif_packet_get_1( size_t content ){
272
    return packet_get_1( netif_globals.net_phone, content );
270
    return packet_get_1( netif_globals.net_phone, content );
273
}
271
}
274
 
272
 
275
/** @}
273
/** @}
276
 */
274
 */
277
 
275