1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2010-2011 Nokia Corporation and/or its subsidiary(-ies).
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sys/stat.h>
#include <glib.h>
#include <ofono/log.h>
#include <ofono/modem.h>
#include <ofono/cdma-connman.h>
#include "gatchat.h"
#include "gatresult.h"
#include "gatppp.h"
#include "cdmamodem.h"
#include "drivers/atmodem/vendor.h"
#define TUN_SYSFS_DIR "/sys/devices/virtual/misc/tun"
#define STATIC_IP_NETMASK "255.255.255.255"
static const char *none_prefix[] = { NULL };
enum state {
STATE_IDLE,
STATE_ENABLING,
STATE_DISABLING,
STATE_ACTIVE,
};
struct connman_data {
GAtChat *chat;
GAtPPP *ppp;
unsigned int vendor;
enum state state;
char username[OFONO_CDMA_CONNMAN_MAX_USERNAME_LENGTH + 1];
char password[OFONO_CDMA_CONNMAN_MAX_PASSWORD_LENGTH + 1];
union {
ofono_cdma_connman_cb_t down_cb; /* Down callback */
ofono_cdma_connman_up_cb_t up_cb; /* Up callback */
};
void *cb_data; /* Callback data */
};
static void ppp_debug(const char *str, void *data)
{
ofono_info("%s: %s", (const char *) data, str);
}
static void ppp_connect(const char *interface, const char *local,
const char *remote,
const char *dns1, const char *dns2,
gpointer user_data)
{
struct ofono_cdma_connman *cm = user_data;
struct connman_data *cd = ofono_cdma_connman_get_data(cm);
const char *dns[3];
DBG("");
dns[0] = dns1;
dns[1] = dns2;
dns[2] = 0;
ofono_info("IP: %s", local);
ofono_info("DNS: %s, %s", dns1, dns2);
cd->state = STATE_ACTIVE;
CALLBACK_WITH_SUCCESS(cd->up_cb, interface, TRUE, local,
STATIC_IP_NETMASK, NULL,
dns, cd->cb_data);
}
static void ppp_disconnect(GAtPPPDisconnectReason reason, gpointer user_data)
{
struct ofono_cdma_connman *cm = user_data;
struct connman_data *cd = ofono_cdma_connman_get_data(cm);
DBG("");
g_at_ppp_unref(cd->ppp);
cd->ppp = NULL;
switch (cd->state) {
case STATE_ENABLING:
CALLBACK_WITH_FAILURE(cd->up_cb, NULL, FALSE, NULL,
NULL, NULL, NULL, cd->cb_data);
break;
case STATE_DISABLING:
CALLBACK_WITH_SUCCESS(cd->down_cb, cd->cb_data);
break;
default:
ofono_cdma_connman_deactivated(cm);
break;
}
cd->state = STATE_IDLE;
g_at_chat_resume(cd->chat);
}
static gboolean setup_ppp(struct ofono_cdma_connman *cm)
{
struct connman_data *cd = ofono_cdma_connman_get_data(cm);
GAtIO *io;
DBG("");
io = g_at_chat_get_io(cd->chat);
g_at_chat_suspend(cd->chat);
/* open ppp */
cd->ppp = g_at_ppp_new();
if (cd->ppp == NULL) {
g_at_chat_resume(cd->chat);
return FALSE;
}
if (getenv("OFONO_PPP_DEBUG"))
g_at_ppp_set_debug(cd->ppp, ppp_debug, "PPP");
/* set connect and disconnect callbacks */
g_at_ppp_set_connect_function(cd->ppp, ppp_connect, cm);
g_at_ppp_set_disconnect_function(cd->ppp, ppp_disconnect, cm);
g_at_ppp_set_credentials(cd->ppp, cd->username, cd->password);
/* open the ppp connection */
g_at_ppp_open(cd->ppp, io);
return TRUE;
}
static void atd_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_cdma_connman *cm = user_data;
struct connman_data *cd = ofono_cdma_connman_get_data(cm);
DBG("ok %d", ok);
if (ok == FALSE) {
struct ofono_error error;
ofono_info("Unable to enter data state");
cd->state = STATE_IDLE;
decode_at_error(&error, g_at_result_final_response(result));
cd->up_cb(&error, NULL, 0, NULL, NULL, NULL, NULL,
cd->cb_data);
return;
}
setup_ppp(cm);
}
static void cdma_connman_activate(struct ofono_cdma_connman *cm,
const char *username,
const char *password,
ofono_cdma_connman_up_cb_t cb,
void *data)
{
struct connman_data *cd = ofono_cdma_connman_get_data(cm);
DBG("");
cd->up_cb = cb;
cd->cb_data = data;
strcpy(cd->username, username);
strcpy(cd->password, password);
cd->state = STATE_ENABLING;
if (g_at_chat_send(cd->chat, "ATD#777", none_prefix,
atd_cb, cm, NULL) > 0)
return;
CALLBACK_WITH_FAILURE(cb, NULL, 0, NULL, NULL, NULL, NULL, data);
}
static void cdma_connman_deactivate(struct ofono_cdma_connman *cm,
ofono_cdma_connman_cb_t cb,
void *data)
{
struct connman_data *cd = ofono_cdma_connman_get_data(cm);
DBG("");
cd->state = STATE_DISABLING;
cd->down_cb = cb;
cd->cb_data = data;
g_at_ppp_shutdown(cd->ppp);
}
static void huawei_dsdormant_notify(GAtResult *result, gpointer user_data)
{
struct ofono_cdma_connman *cm = user_data;
int dormant;
GAtResultIter iter;
g_at_result_iter_init(&iter, result);
if (!g_at_result_iter_next(&iter, "^DSDORMANT:"))
return;
if (!g_at_result_iter_next_number(&iter, &dormant))
return;
switch (dormant) {
case 0:
ofono_cdma_connman_dormant_notify(cm, FALSE);
break;
case 1:
ofono_cdma_connman_dormant_notify(cm, TRUE);
break;
default:
ofono_error("Invalid DSDORMANT value");
break;
}
}
static void at_c0_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
struct ofono_cdma_connman *cm = user_data;
struct connman_data *cd = ofono_cdma_connman_get_data(cm);
GAtChat *chat;
DBG("ok %d", ok);
if (ok == FALSE) {
ofono_info("Unable to configure circuit 109");
ofono_cdma_connman_remove(cm);
return;
}
switch (cd->vendor) {
case OFONO_VENDOR_HUAWEI:
chat = g_at_chat_get_slave(cd->chat);
g_at_chat_register(chat, "^DSDORMANT", huawei_dsdormant_notify,
FALSE, cm, NULL);
break;
default:
break;
}
ofono_cdma_connman_register(cm);
}
static int cdma_connman_probe(struct ofono_cdma_connman *cm,
unsigned int vendor, void *data)
{
GAtChat *chat = data;
struct connman_data *cd;
struct stat st;
DBG("");
if (stat(TUN_SYSFS_DIR, &st) < 0) {
ofono_error("Missing support for TUN/TAP devices");
return -ENODEV;
}
cd = g_try_new0(struct connman_data, 1);
if (cd == NULL)
return -ENOMEM;
cd->chat = g_at_chat_clone(chat);
cd->vendor = vendor;
ofono_cdma_connman_set_data(cm, cd);
/* Turn off any modem-initiated dormancy timeout */
g_at_chat_send(cd->chat, "AT+CTA=0", none_prefix, NULL, NULL, NULL);
g_at_chat_send(cd->chat, "AT&C0", none_prefix, at_c0_cb, cm, NULL);
return 0;
}
static void cdma_connman_remove(struct ofono_cdma_connman *cm)
{
struct connman_data *cd = ofono_cdma_connman_get_data(cm);
DBG("");
if (cd->state != STATE_IDLE && cd->ppp) {
g_at_ppp_unref(cd->ppp);
g_at_chat_resume(cd->chat);
}
ofono_cdma_connman_set_data(cm, NULL);
g_at_chat_unref(cd->chat);
g_free(cd);
}
static struct ofono_cdma_connman_driver driver = {
.name = "cdmamodem",
.probe = cdma_connman_probe,
.remove = cdma_connman_remove,
.activate = cdma_connman_activate,
.deactivate = cdma_connman_deactivate,
};
void cdma_connman_init(void)
{
ofono_cdma_connman_driver_register(&driver);
}
void cdma_connman_exit(void)
{
ofono_cdma_connman_driver_unregister(&driver);
}
|