summaryrefslogtreecommitdiffstats
path: root/include/openbsc/gsm_04_08.h
blob: fe18f4ee5702a0af4eea3fab38cb144419c6a66f (plain)
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
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
#ifndef _GSM_04_08_H
#define _GSM_04_08_H

/* GSM TS 04.08  definitions */
struct gsm_lchan;

struct gsm48_classmark1 {
	u_int8_t spare:1,
		 rev_level:2,
		 es_ind:1,
		 a5_1:1,
		 pwr_lev:3;
} __attribute__ ((packed));

/* Chapter 10.5.2.5 */
struct gsm48_chan_desc {
	u_int8_t chan_nr;
	union {
		struct {
			u_int8_t maio_high:4,
				 h:1,
				 tsc:3;
			u_int8_t hsn:6,
				 maio_low:2;
		} h1;
		struct {
			u_int8_t arfcn_high:2,
				 spare:2,
				 h:1,
				 tsc:3;
			u_int8_t arfcn_low;
		} h0;
	};
} __attribute__ ((packed));

/* Chapter 10.5.2.30 */
struct gsm48_req_ref {
	u_int8_t ra;
	u_int8_t t3_high:3,
		 t1_:5;
	u_int8_t t2:5,
		 t3_low:3;
} __attribute__ ((packed));

/* Chapter 9.1.5 */
struct gsm48_chan_mode_modify {
	struct gsm48_chan_desc chan_desc;
	u_int8_t mode;
} __attribute__ ((packed));

#define GSM48_CMODE_SIGN	0x00
#define GSM48_CMODE_SPEECH_V1	0x01
#define GSM48_CMODE_SPEECH_EFR	0x21
#define GSM48_CMODE_SPEECH_AMR	0x41
#define GSM48_CMODE_DATA_14k5	0x0f
#define GSM48_CMODE_DATA_12k0	0x03
#define GSM48_CMODE_DATA_6k0	0x0b
#define GSM48_CMODE_DATA_3k6	0x23

/* Chapter 9.1.18 */
struct gsm48_imm_ass {
	u_int8_t l2_plen;
	u_int8_t proto_discr;
	u_int8_t msg_type;
	u_int8_t page_mode;
	struct gsm48_chan_desc chan_desc;
	struct gsm48_req_ref req_ref;
	u_int8_t timing_advance;
	u_int8_t mob_alloc_len;
	u_int8_t mob_alloc[0];
} __attribute__ ((packed));

/* Chapter 10.5.1.3 */
struct gsm48_loc_area_id {
	u_int8_t digits[3];	/* BCD! */
	u_int16_t lac;
} __attribute__ ((packed));

/* Section 9.2.15 */
struct gsm48_loc_upd_req {
	u_int8_t type:4,
		 key_seq:4;
	struct gsm48_loc_area_id lai;
	struct gsm48_classmark1 classmark1;
	u_int8_t mi_len;
	u_int8_t mi[0];
} __attribute__ ((packed));

/* Section 10.1 */
struct gsm48_hdr {
	u_int8_t proto_discr;
	u_int8_t msg_type;
	u_int8_t data[0];
} __attribute__ ((packed));

/* Section 9.1.3x System information Type header */
struct gsm48_system_information_type_header {
	u_int8_t l2_plen;
	u_int8_t rr_protocol_discriminator :4,
		skip_indicator:4; 
	u_int8_t system_information;
} __attribute__ ((packed));

struct gsm48_rach_control {
	u_int8_t re :1,
		 cell_bar :1,
		 tx_integer :4,
		 max_trans :2;
	u_int8_t t2;
	u_int8_t t3;
} __attribute__ ((packed));

/* Section 10.5.2.11 Control Channel Description , Figure 10.5.33 */
struct gsm48_control_channel_descr {
	u_int8_t ccch_conf :3,
		bs_ag_blks_res :3,
		att :1,
		spare1 :1;
	u_int8_t bs_pa_mfrms : 3,
		spare2 :5;
	u_int8_t t3212;
} __attribute__ ((packed));

/* Section 9.2.9 CM service request */
struct gsm48_service_request {
	u_int8_t cm_service_type : 4,
		 cipher_key_seq  : 4;
	/* length + 3 bytes */
	u_int32_t classmark;
	u_int8_t mi_len;
	u_int8_t mi[0];
	/* optional priority level */
} __attribute__ ((packed));

/* Section 9.1.31 System information Type 1 */
struct gsm48_system_information_type_1 {
	struct gsm48_system_information_type_header header;
	u_int8_t cell_channel_description[16];
	struct gsm48_rach_control rach_control;
	u_int8_t s1_reset;
} __attribute__ ((packed));

/* Section 9.1.32 System information Type 2 */
struct gsm48_system_information_type_2 {
	struct gsm48_system_information_type_header header;
	u_int8_t bcch_frequency_list[16];
	u_int8_t ncc_permitted;
	struct gsm48_rach_control rach_control;
} __attribute__ ((packed));

/* Section 9.1.35 System information Type 3 */
struct gsm48_system_information_type_3 {
	struct gsm48_system_information_type_header header;
	u_int16_t cell_identity;
	struct gsm48_loc_area_id lai;
	struct gsm48_control_channel_descr control_channel_desc;
	u_int8_t cell_options;
	u_int8_t cell_selection[2];
	struct gsm48_rach_control rach_control;
	u_int8_t s3_reset_octets[4];
} __attribute__ ((packed));

/* Section 9.1.36 System information Type 4 */
struct gsm48_system_information_type_4 {
	struct gsm48_system_information_type_header header;
	struct gsm48_loc_area_id lai;
	u_int8_t cell_selection[2];
	struct gsm48_rach_control rach_control;
	/*	optional CBCH conditional CBCH... followed by
		mandantory SI 4 Reset Octets
	 */
	u_int8_t data[0];
} __attribute__ ((packed));

/* Section 9.1.37 System information Type 5 */
struct gsm48_system_information_type_5 {
	u_int8_t rr_protocol_discriminator :4,
		skip_indicator:4; 
	u_int8_t system_information;
	u_int8_t bcch_frequency_list[16];
} __attribute__ ((packed));

/* Section 9.1.40 System information Type 6 */
struct gsm48_system_information_type_6 {
	u_int8_t rr_protocol_discriminator :4,
		skip_indicator:4; 
	u_int8_t system_information;
	u_int8_t cell_identity[2];
	struct gsm48_loc_area_id lai;
	u_int8_t cell_options;
	u_int8_t ncc_permitted;
	u_int8_t si_6_reset[0];
} __attribute__ ((packed));

/* Section 9.2.12 IMSI Detach Indication */
struct gsm48_imsi_detach_ind {
	struct gsm48_classmark1 classmark1;
	u_int8_t mi_len;
	u_int8_t mi[0];
} __attribute__ ((packed));

/* Section 10.2 + GSM 04.07 12.2.3.1.1 */
#define GSM48_PDISC_GROUP_CC	0x00
#define GSM48_PDISC_BCAST_CC	0x01
#define GSM48_PDISC_PDSS1	0x02
#define GSM48_PDISC_CC		0x03
#define GSM48_PDISC_PDSS2	0x04
#define GSM48_PDISC_MM		0x05
#define GSM48_PDISC_RR		0x06
#define GSM48_PDISC_MM_GPRS	0x08
#define GSM48_PDISC_SMS		0x09
#define GSM48_PDISC_SM_GPRS	0x0a
#define GSM48_PDISC_NC_SS	0x0b
#define GSM48_PDISC_LOC		0x0c
#define GSM48_PDISC_MASK	0x0f
#define GSM48_PDISC_USSD	0x11

/* Section 10.4 */
#define GSM48_MT_RR_INIT_REQ		0x3c
#define GSM48_MT_RR_ADD_ASS		0x3b
#define GSM48_MT_RR_IMM_ASS		0x3f
#define GSM48_MT_RR_IMM_ASS_EXT		0x39
#define GSM48_MT_RR_IMM_ASS_REJ		0x3a

#define GSM48_MT_RR_CIPH_M_CMD		0x35
#define GSM48_MT_RR_CIPH_M_COMPL	0x32

#define GSM48_MT_RR_CFG_CHG_CMD		0x30
#define GSM48_MT_RR_CFG_CHG_ACK		0x31
#define GSM48_MT_RR_CFG_CHG_REJ		0x33

#define GSM48_MT_RR_ASS_CMD		0x2e
#define GSM48_MT_RR_ASS_COMPL		0x29
#define GSM48_MT_RR_ASS_FAIL		0x2f
#define GSM48_MT_RR_HANDO_CMD		0x2b
#define GSM48_MT_RR_HANDO_COMPL		0x2c
#define GSM48_MT_RR_HANDO_FAIL		0x28
#define GSM48_MT_RR_HANDO_INFO		0x2d

#define GSM48_MT_RR_CELL_CHG_ORDER	0x08
#define GSM48_MT_RR_PDCH_ASS_CMD	0x23

#define GSM48_MT_RR_CHAN_REL		0x0d
#define GSM48_MT_RR_PART_REL		0x0a
#define GSM48_MT_RR_PART_REL_COMP	0x0f

#define GSM48_MT_RR_PAG_REQ_1		0x21
#define GSM48_MT_RR_PAG_REQ_2		0x22
#define GSM48_MT_RR_PAG_REQ_3		0x24
#define GSM48_MT_RR_PAG_RESP		0x27
#define GSM48_MT_RR_NOTIF_NCH		0x20
#define GSM48_MT_RR_NOTIF_FACCH		0x25
#define GSM48_MT_RR_NOTIF_RESP		0x26

#define GSM48_MT_RR_SYSINFO_8		0x18
#define GSM48_MT_RR_SYSINFO_1		0x19
#define GSM48_MT_RR_SYSINFO_2		0x1a
#define GSM48_MT_RR_SYSINFO_3		0x1b
#define GSM48_MT_RR_SYSINFO_4		0x1c
#define GSM48_MT_RR_SYSINFO_5		0x1d
#define GSM48_MT_RR_SYSINFO_6		0x1e
#define GSM48_MT_RR_SYSINFO_7		0x1f

#define GSM48_MT_RR_SYSINFO_2bis	0x02
#define GSM48_MT_RR_SYSINFO_2ter	0x03
#define GSM48_MT_RR_SYSINFO_5bis	0x05
#define GSM48_MT_RR_SYSINFO_5ter	0x06
#define GSM48_MT_RR_SYSINFO_9		0x04
#define GSM48_MT_RR_SYSINFO_13		0x00

#define GSM48_MT_RR_SYSINFO_16		0x3d
#define GSM48_MT_RR_SYSINFO_17		0x3e

#define GSM48_MT_RR_CHAN_MODE_MODIF	0x10
#define GSM48_MT_RR_STATUS		0x12
#define GSM48_MT_RR_CHAN_MODE_MODIF_ACK	0x17
#define GSM48_MT_RR_FREQ_REDEF		0x14
#define GSM48_MT_RR_MEAS_REP		0x15
#define GSM48_MT_RR_CLSM_CHG		0x16
#define GSM48_MT_RR_CLSM_ENQ		0x13
#define GSM48_MT_RR_EXT_MEAS_REP	0x36
#define GSM48_MT_RR_EXT_MEAS_REP_ORD	0x37
#define GSM48_MT_RR_GPRS_SUSP_REQ	0x34

#define GSM48_MT_RR_VGCS_UPL_GRANT	0x08
#define GSM48_MT_RR_UPLINK_RELEASE	0x0e
#define GSM48_MT_RR_UPLINK_FREE		0x0c
#define GSM48_MT_RR_UPLINK_BUSY		0x2a
#define GSM48_MT_RR_TALKER_IND		0x11

#define GSM48_MT_RR_APP_INFO		0x38

/* Table 10.2/3GPP TS 04.08 */
#define GSM48_MT_MM_IMSI_DETACH_IND	0x01
#define GSM48_MT_MM_LOC_UPD_ACCEPT	0x02
#define GSM48_MT_MM_LOC_UPD_REJECT	0x04
#define GSM48_MT_MM_LOC_UPD_REQUEST	0x08

#define GSM48_MT_MM_AUTH_REJ		0x11
#define GSM48_MT_MM_AUTH_REQ		0x12
#define GSM48_MT_MM_AUTH_RESP		0x14
#define GSM48_MT_MM_ID_REQ		0x18
#define GSM48_MT_MM_ID_RESP		0x19
#define GSM48_MT_MM_TMSI_REALL_CMD	0x1a
#define GSM48_MT_MM_TMSI_REALL_COMPL	0x1b

#define GSM48_MT_MM_CM_SERV_ACC		0x21
#define GSM48_MT_MM_CM_SERV_REJ		0x22
#define GSM48_MT_MM_CM_SERV_ABORT	0x23
#define GSM48_MT_MM_CM_SERV_REQ		0x24
#define GSM48_MT_MM_CM_SERV_PROMPT	0x25
#define GSM48_MT_MM_CM_REEST_REQ	0x28
#define GSM48_MT_MM_ABORT		0x29

#define GSM48_MT_MM_NULL		0x30
#define GSM48_MT_MM_STATUS		0x31
#define GSM48_MT_MM_INFO		0x32

/* Table 10.3/3GPP TS 04.08 */
#define GSM48_MT_CC_ALERTING		0x01
#define GSM48_MT_CC_CALL_CONF		0x08
#define GSM48_MT_CC_CALL_PROC		0x02
#define GSM48_MT_CC_CONNECT		0x07
#define GSM48_MT_CC_CONNECT_ACK		0x0f
#define GSM48_MT_CC_EMERG_SETUP		0x0e
#define GSM48_MT_CC_PROGRESS		0x03
#define GSM48_MT_CC_ESTAB		0x04
#define GSM48_MT_CC_ESTAB_CONF		0x06
#define GSM48_MT_CC_RECALL		0x0b
#define GSM48_MT_CC_START_CC		0x09
#define GSM48_MT_CC_SETUP		0x05

#define GSM48_MT_CC_MODIFY		0x17
#define GSM48_MT_CC_MODIFY_COMPL	0x1f
#define GSM48_MT_CC_MODIFY_REJECT	0x13
#define GSM48_MT_CC_USER_INFO		0x10
#define GSM48_MT_CC_HOLD		0x18
#define GSM48_MT_CC_HOLD_ACK		0x19
#define GSM48_MT_CC_HOLD_REJ		0x1a
#define GSM48_MT_CC_RETR		0x1c
#define GSM48_MT_CC_RETR_ACK		0x1d
#define GSM48_MT_CC_RETR_REJ		0x1e

#define GSM48_MT_CC_DISCONNECT		0x25
#define GSM48_MT_CC_RELEASE		0x2d
#define GSM48_MT_CC_RELEASE_COMPL	0x2a

#define GSM48_MT_CC_CONG_CTRL		0x39
#define GSM48_MT_CC_NOTIFY		0x3e
#define GSM48_MT_CC_STATUS		0x3d
#define GSM48_MT_CC_STATUS_ENQ		0x34
#define GSM48_MT_CC_START_DTMF		0x35
#define GSM48_MT_CC_STOP_DTMF		0x31
#define GSM48_MT_CC_STOP_DTMF_ACK	0x32
#define GSM48_MT_CC_START_DTMF_ACK	0x36
#define GSM48_MT_CC_START_DTMF_REJ	0x37
#define GSM48_MT_CC_FACILITY		0x3a

/* FIXME: Table 10.4 / 10.4a (GPRS) */

/* Section 10.5.2.26, Table 10.5.64 */
#define GSM48_PM_MASK		0x03
#define GSM48_PM_NORMAL		0x00
#define GSM48_PM_EXTENDED	0x01
#define GSM48_PM_REORG		0x02
#define GSM48_PM_SAME		0x03

/* Chapter 10.5.3.5 / Table 10.5.93 */
#define GSM48_LUPD_NORMAL	0x0
#define GSM48_LUPD_PERIODIC	0x1
#define GSM48_LUPD_IMSI_ATT	0x2
#define GSM48_LUPD_RESERVED	0x3

/* Table 10.5.4 */
#define GSM_MI_TYPE_MASK	0x07
#define GSM_MI_TYPE_NONE	0x00
#define GSM_MI_TYPE_IMSI	0x01
#define GSM_MI_TYPE_IMEI	0x02
#define GSM_MI_TYPE_IMEISV	0x03
#define GSM_MI_TYPE_TMSI	0x04
#define GSM_MI_ODD		0x08

#define GSM48_IE_MOBILE_ID	0x17
#define GSM48_IE_NAME_LONG	0x43	/* 10.5.3.5a */
#define GSM48_IE_NAME_SHORT	0x45	/* 10.5.3.5a */
#define GSM48_IE_UTC		0x46	/* 10.5.3.8 */
#define GSM48_IE_NET_TIME_TZ	0x47	/* 10.5.3.9 */
#define GSM48_IE_LSA_IDENT	0x48	/* 10.5.3.11 */

#define GSM48_IE_BEARER_CAP	0x04	/* 10.5.4.5 */
#define GSM48_IE_CAUSE		0x08	/* 10.5.4.11 */
#define GSM48_IE_CC_CAP		0x15	/* 10.5.4.5a */
#define GSM48_IE_ALERT		0x19	/* 10.5.4.26 */
#define GSM48_IE_FACILITY	0x1c	/* 10.5.4.15 */
#define GSM48_IE_PROGR_IND	0x1e	/* 10.5.4.21 */
#define GSM48_IE_AUX_STATUS	0x24	/* 10.5.4.4 */
#define GSM48_IE_KPD_FACILITY	0x2c	/* 10.5.4.17 */
#define GSM48_IE_SIGNAL		0x34	/* 10.5.4.23 */
#define GSM48_IE_CONN_NUM	0x4c	/* 10.5.4.13 */
#define GSM48_IE_CONN_SUBADDR	0x4d	/* 10.5.4.14 */
#define GSM48_IE_CALLING_BCD	0x5c	/* 10.5.4.9 */
#define GSM48_IE_CALLING_SUB	0x5d	/* 10.5.4.10 */
#define GSM48_IE_CALLED_BCD	0x5e	/* 10.5.4.7 */
#define GSM48_IE_CALLED_SUB	0x6d	/* 10.5.4.8 */
#define GSM48_IE_REDIR_BCD	0x74	/* 10.5.4.21a */
#define GSM48_IE_REDIR_SUB	0x75	/* 10.5.4.21b */
#define GSM48_IE_LOWL_COMPAT	0x7c	/* 10.5.4.18 */
#define GSM48_IE_HIGHL_COMPAT	0x7d	/* 10.5.4.16 */
#define GSM48_IE_USER_USER	0x7e	/* 10.5.4.25 */
#define GSM48_IE_SS_VERS	0x7f	/* 10.5.4.24 */
#define GSM48_IE_MORE_DATA	0xa0	/* 10.5.4.19 */
#define GSM48_IE_CLIR_SUPP	0xa1	/* 10.5.4.11a */
#define GSM48_IE_CLIR_INVOC	0xa2	/* 10.5.4.11b */
#define GSM48_IE_REV_C_SETUP	0xa3	/* 10.5.4.22a */

/* Section 10.5.4.11 / Table 10.5.122 */
#define GSM48_CAUSE_CS_GSM	0x60

/* Section 9.1.2 / Table 9.3 */
#define GSM48_IE_FRQLIST_AFTER	0x05
#define GSM48_IE_CELL_CH_DESC	0x62
#define GSM48_IE_MSLOT_DESC	0x10
#define GSM48_IE_CHANMODE_1	0x63
#define GSM48_IE_CHANMODE_2	0x11
#define GSM48_IE_CHANMODE_3	0x13
#define GSM48_IE_CHANMODE_4	0x14
#define GSM48_IE_CHANMODE_5	0x15
#define GSM48_IE_CHANMODE_6	0x16
#define GSM48_IE_CHANMODE_7	0x17
#define GSM48_IE_CHANMODE_8	0x18
#define GSM48_IE_CHANDESC_2	0x64
/* FIXME */

/* Section 10.5.4.23 / Table 10.5.130 */
enum gsm48_signal_val {
	GSM48_SIGNAL_DIALTONE	= 0x00,
	GSM48_SIGNAL_RINGBACK	= 0x01,
	GSM48_SIGNAL_INTERCEPT	= 0x02,
	GSM48_SIGNAL_NET_CONG	= 0x03,
	GSM48_SIGNAL_BUSY	= 0x04,
	GSM48_SIGNAL_CONFIRM	= 0x05,
	GSM48_SIGNAL_ANSWER	= 0x06,
	GSM48_SIGNAL_CALL_WAIT	= 0x07,
	GSM48_SIGNAL_OFF_HOOK	= 0x08,
	GSM48_SIGNAL_OFF	= 0x3f,
	GSM48_SIGNAL_ALERT_OFF	= 0x4f,
};

enum gsm48_cause_loc {
	GSM48_CAUSE_LOC_USER		= 0x00,
	GSM48_CAUSE_LOC_PRN_S_LU	= 0x01,
	GSM48_CAUSE_LOC_PUN_S_LU	= 0x02,
	GSM48_CAUSE_LOC_TRANS_NET	= 0x03,
	GSM48_CAUSE_LOC_PUN_S_RU	= 0x04,
	GSM48_CAUSE_LOC_PRN_S_RU	= 0x05,
	/* not defined */
	GSM48_CAUSE_LOC_INN_NET		= 0x07,
	GSM48_CAUSE_LOC_NET_BEYOND	= 0x0a,
};

/* Section 10.5.2.31 RR Cause / Table 10.5.70 */
enum gsm48_rr_cause {
	GSM48_RR_CAUSE_NORMAL		= 0x00,
	GSM48_RR_CAUSE_ABNORMAL_UNSPEC	= 0x01,
	GSM48_RR_CAUSE_ABNORMAL_UNACCT	= 0x02,
	GSM48_RR_CAUSE_ABNORMAL_TIMER	= 0x03,
	GSM48_RR_CAUSE_ABNORMAL_NOACT	= 0x04,
	GSM48_RR_CAUSE_PREMPTIVE_REL	= 0x05,
	GSM48_RR_CAUSE_HNDOVER_IMP	= 0x06,
	GSM48_RR_CAUSE_CHAN_MODE_UNACCT	= 0x07,
	GSM48_RR_CAUSE_FREQ_NOT_IMPL	= 0x08,
	GSM48_RR_CAUSE_CALL_CLEARED	= 0x41,
	GSM48_RR_CAUSE_SEMANT_INCORR	= 0x5f,
	GSM48_RR_CAUSE_INVALID_MAND_INF = 0x60,
	GSM48_RR_CAUSE_MSG_TYPE_N	= 0x61,
	GSM48_RR_CAUSE_MSG_TYPE_N_COMPAT= 0x62,
	GSM48_RR_CAUSE_COND_IE_ERROR	= 0x64,
	GSM48_RR_CAUSE_NO_CELL_ALLOC_A	= 0x65,
	GSM48_RR_CAUSE_PROT_ERROR_UNSPC = 0x6f,
};

/* Annex G, GSM specific cause values for mobility management */
enum gsm48_reject_value {
	GSM48_REJECT_IMSI_UNKNOWN_IN_HLR	= 2,
	GSM48_REJECT_ILLEGAL_MS			= 3,
	GSM48_REJECT_IMSI_UNKNOWN_IN_VLR	= 4,
	GSM48_REJECT_IMEI_NOT_ACCEPTED		= 5,
	GSM48_REJECT_ILLEGAL_ME			= 6,
	GSM48_REJECT_PLMN_NOT_ALLOWED		= 11,
	GSM48_REJECT_LOC_NOT_ALLOWED		= 12,
	GSM48_REJECT_ROAMING_NOT_ALLOWED	= 13,
	GSM48_REJECT_NETWORK_FAILURE		= 17,
	GSM48_REJECT_CONGESTION			= 22,
	GSM48_REJECT_SRV_OPT_NOT_SUPPORTED	= 32,
	GSM48_REJECT_RQD_SRV_OPT_NOT_SUPPORTED	= 33,
	GSM48_REJECT_SRV_OPT_TMP_OUT_OF_ORDER	= 34,
	GSM48_REJECT_CALL_CAN_NOT_BE_IDENTIFIED	= 38,
	GSM48_REJECT_INCORRECT_MESSAGE		= 95,
	GSM48_REJECT_INVALID_MANDANTORY_INF	= 96,
	GSM48_REJECT_MSG_TYPE_NOT_IMPLEMENTED	= 97,
	GSM48_REJECT_MSG_TYPE_NOT_COMPATIBLE	= 98,
	GSM48_REJECT_INF_ELEME_NOT_IMPLEMENTED	= 99,
	GSM48_REJECT_CONDTIONAL_IE_ERROR	= 100,
	GSM48_REJECT_MSG_NOT_COMPATIBLE		= 101,
	GSM48_REJECT_PROTOCOL_ERROR		= 111,

	/* according to G.6 Additional cause codes for GMM */
	GSM48_REJECT_GPRS_NOT_ALLOWED		= 7,
	GSM48_REJECT_SERVICES_NOT_ALLOWED	= 8,
	GSM48_REJECT_MS_IDENTITY_NOT_DERVIVABLE = 9,
	GSM48_REJECT_IMPLICITLY_DETACHED	= 10,
	GSM48_REJECT_GPRS_NOT_ALLOWED_IN_PLMN	= 14,
	GSM48_REJECT_MSC_TMP_NOT_REACHABLE	= 16,
};


/* extracted from a L3 measurement report IE */
struct gsm_meas_rep_cell {
	u_int8_t rxlev;
	u_int8_t bcch_freq;	/* fixme: translate to ARFCN */
	u_int8_t bsic;
};

struct gsm_meas_rep {
	unsigned int flags;
	u_int8_t rxlev_full;
	u_int8_t rxqual_full;
	u_int8_t rxlev_sub;
	u_int8_t rxqual_sub;
	int num_cell;
	struct gsm_meas_rep_cell cell[6];
};
#define MEAS_REP_F_DTX		0x01
#define MEAS_REP_F_VALID	0x02
#define MEAS_REP_F_BA1		0x04

void gsm48_parse_meas_rep(struct gsm_meas_rep *rep, const u_int8_t *data,
			  int len);


struct msgb;
struct gsm_bts;
struct gsm_subscriber;

/* config options controlling the behaviour of the lower leves */
void gsm0408_allow_everyone(int allow);
void gsm0408_set_reject_cause(int cause);

int gsm0408_rcvmsg(struct msgb *msg);
void gsm0408_generate_lai(struct gsm48_loc_area_id *lai48, u_int16_t mcc, 
		u_int16_t mnc, u_int16_t lac);
int gsm48_cc_tx_setup(struct gsm_lchan *lchan, struct gsm_subscriber *calling);
enum gsm_chan_t get_ctype_by_chreq(struct gsm_bts *bts, u_int8_t ra);
enum gsm_chreq_reason_t get_reason_by_chreq(struct gsm_bts *bts, u_int8_t ra);

int gsm48_tx_mm_info(struct gsm_lchan *lchan);
struct msgb *gsm48_msgb_alloc(void);
int gsm48_sendmsg(struct msgb *msg);
int generate_mid_from_tmsi(u_int8_t *buf, u_int32_t tmsi);

int gsm48_send_rr_release(struct gsm_lchan *lchan);

/* convert a ASCII phone number to call-control BCD */
int encode_bcd_number(u_int8_t *bcd_lv, u_int8_t max_len,
		      u_int8_t type, const char *input);
u_int8_t decode_bcd_number(char *output, int output_len, const u_int8_t *bcd_lv);

#endif