libosmogsm  0.9.3.20160317
Osmocom GSM library
gsm_04_08.h
1 #pragma once
2 
3 #include <stdint.h>
4 
5 /* GSM TS 04.08 definitions */
6 struct gsm_lchan;
7 
8 /* Chapter 10.5.1.5 */
10  uint8_t pwr_lev:3,
11  a5_1:1,
12  es_ind:1,
13  rev_lev:2,
14  spare:1;
15 } __attribute__ ((packed));
16 
17 /* Chapter 10.5.1.6 */
19  uint8_t pwr_lev:3,
20  a5_1:1,
21  es_ind:1,
22  rev_lev:2,
23  spare:1;
24  uint8_t fc:1,
25  vgcs:1,
26  vbs:1,
27  sm_cap:1,
28  ss_scr:2,
29  ps_cap:1,
30  spare2:1;
31  uint8_t a5_2:1,
32  a5_3:1,
33  cmsp:1,
34  solsa:1,
35  spare3:1,
36  lcsva_cap:1,
37  spare4:1,
38  cm3:1;
39 } __attribute__ ((packed));
40 
41 /* Chapter 10.5.2.1b.3 */
43  uint8_t w1_hi:2,
44  f0:1,
45  form_id:5;
46  uint8_t w1_lo;
47  uint8_t w2_hi;
48  uint8_t w3_hi:7,
49  w2_lo:1;
50  uint8_t w4_hi:6,
51  w3_lo:2;
52  uint8_t w5_hi:6,
53  w4_lo:2;
54  uint8_t w6_hi:6,
55  w5_lo:2;
56  uint8_t w7_hi:6,
57  w6_lo:2;
58  uint8_t w8_hi:6,
59  w7_lo:2;
60  uint8_t w9:7,
61  w8_lo:1;
62  uint8_t w11_hi:1,
63  w10:7;
64  uint8_t w12_hi:2,
65  w11_lo:6;
66  uint8_t w13_hi:3,
67  w12_lo:5;
68  uint8_t w14_hi:4,
69  w13_lo:4;
70  uint8_t w15_hi:5,
71  w14_lo:3;
72  uint8_t w16:6,
73  w15_lo:2;
74 } __attribute__ ((packed));
75 
76 /* Chapter 10.5.2.1b.4 */
78  uint8_t orig_arfcn_hi:1,
79  form_id:7;
80  uint8_t orig_arfcn_mid;
81  uint8_t w1_hi:7,
82  orig_arfcn_lo:1;
83  uint8_t w2_hi:6,
84  w1_lo:2;
85  uint8_t w3_hi:6,
86  w2_lo:2;
87  uint8_t w4_hi:6,
88  w3_lo:2;
89  uint8_t w5:7,
90  w4_lo:1;
91  uint8_t w7_hi:1,
92  w6:7;
93  uint8_t w8_hi:2,
94  w7_lo:6;
95  uint8_t w9_hi:4,
96  w8_lo:4;
97  uint8_t w10:6,
98  w9_lo:2;
99  uint8_t w12_hi:2,
100  w11:6;
101  uint8_t w13_hi:4,
102  w12_lo:4;
103  uint8_t w14:6,
104  w13_lo:2;
105  uint8_t w16_hi:2,
106  w15:6;
107  uint8_t w17:5,
108  w16_lo:3;
109 } __attribute__ ((packed));
110 
111 /* Chapter 10.5.2.1b.5 */
113  uint8_t orig_arfcn_hi:1,
114  form_id:7;
115  uint8_t orig_arfcn_mid;
116  uint8_t w1_hi:7,
117  orig_arfcn_lo:1;
118  uint8_t w2:7,
119  w1_lo:1;
120  uint8_t w4_hi:1,
121  w3:7;
122  uint8_t w5_hi:3,
123  w4_lo:5;
124  uint8_t w6_hi:5,
125  w5_lo:3;
126  uint8_t w8_hi:1,
127  w7:6,
128  w6_lo:1;
129  uint8_t w9_hi:4,
130  w8_lo:4;
131  uint8_t w11_hi:2,
132  w10:5,
133  w9_lo:1;
134  uint8_t w12:5,
135  w11_lo:3;
136  uint8_t w14_hi:3,
137  w13:5;
138  uint8_t w16_hi:1,
139  w15:5,
140  w14_lo:2;
141  uint8_t w18_hi:1,
142  w17:4,
143  w16_lo:3;
144  uint8_t w20_hi:1,
145  w19:4,
146  w18_lo:3;
147  uint8_t spare:1,
148  w21:4,
149  w20_lo:3;
150 } __attribute__ ((packed));
151 
152 /* Chapter 10.5.2.1b.6 */
154  uint8_t orig_arfcn_hi:1,
155  form_id:7;
156  uint8_t orig_arfcn_mid;
157  uint8_t w1:7,
158  orig_arfcn_lo:1;
159  uint8_t w3_hi:2,
160  w2:6;
161  uint8_t w4_hi:4,
162  w3_lo:4;
163  uint8_t w6_hi:2,
164  w5:5,
165  w4_lo:1;
166  uint8_t w7:5,
167  w6_lo:3;
168  uint8_t w9:4,
169  w8:4;
170  uint8_t w11:4,
171  w10:4;
172  uint8_t w13:4,
173  w12:4;
174  uint8_t w15:4,
175  w14:4;
176  uint8_t w18_hi:2,
177  w17:3,
178  w16:3;
179  uint8_t w21_hi:1,
180  w20:3,
181  w19:3,
182  w18_lo:1;
183  uint8_t w23:3,
184  w22:3,
185  w21_lo:2;
186  uint8_t w26_hi:2,
187  w25:3,
188  w24:3;
189  uint8_t spare:1,
190  w28:3,
191  w27:3,
192  w26_lo:1;
193 } __attribute__ ((packed));
194 
195 /* Chapter 10.5.2.1b.7 */
197  uint8_t orig_arfcn_hi:1,
198  form_id:7;
199  uint8_t orig_arfcn_mid;
200  uint8_t rrfcn1_7:7,
201  orig_arfcn_lo:1;
202  uint8_t rrfcn8_111[13];
203 } __attribute__ ((packed));
204 
205 /* Chapter 10.5.2.5 */
207  uint8_t chan_nr;
208  union {
209  struct {
210  uint8_t maio_high:4,
211  h:1,
212  tsc:3;
213  uint8_t hsn:6,
214  maio_low:2;
215  } __attribute__ ((packed)) h1;
216  struct {
217  uint8_t arfcn_high:2,
218  spare:2,
219  h:1,
220  tsc:3;
221  uint8_t arfcn_low;
222  } __attribute__ ((packed)) h0;
223  } __attribute__ ((packed));
224 } __attribute__ ((packed));
225 
226 /* Chapter 10.5.2.20 */
228  uint8_t rxlev_full:6,
229  dtx_used:1,
230  ba_used:1;
231  uint8_t rxlev_sub:6,
232  meas_valid:1,
233  spare:1;
234  uint8_t no_nc_n_hi:1,
235  rxqual_sub:3,
236  rxqual_full:3,
237  spare2:1;
238  uint8_t rxlev_nc1:6,
239  no_nc_n_lo:2;
240  uint8_t bsic_nc1_hi:3,
241  bcch_f_nc1:5;
242  uint8_t rxlev_nc2_hi:5,
243  bsic_nc1_lo:3;
244  uint8_t bsic_nc2_hi:2,
245  bcch_f_nc2:5,
246  rxlev_nc2_lo:1;
247  uint8_t rxlev_nc3_hi:4,
248  bsic_nc2_lo:4;
249  uint8_t bsic_nc3_hi:1,
250  bcch_f_nc3:5,
251  rxlev_nc3_lo:2;
252  uint8_t rxlev_nc4_hi:3,
253  bsic_nc3_lo:5;
254  uint8_t bcch_f_nc4:5,
255  rxlev_nc4_lo:3;
256  uint8_t rxlev_nc5_hi:2,
257  bsic_nc4:6;
258  uint8_t bcch_f_nc5_hi:4,
259  rxlev_nc5_lo:4;
260  uint8_t rxlev_nc6_hi:1,
261  bsic_nc5:6,
262  bcch_f_nc5_lo:1;
263  uint8_t bcch_f_nc6_hi:3,
264  rxlev_nc6_lo:5;
265  uint8_t bsic_nc6:6,
266  bcch_f_nc6_lo:2;
267 } __attribute__ ((packed));
268 
269 /* Chapter 10.5.2.21aa */
271  uint8_t smod : 2,
272  spare: 1,
273  icmi : 1,
274  nscb : 1,
275  ver : 3;
276  uint8_t m4_75 : 1,
277  m5_15 : 1,
278  m5_90 : 1,
279  m6_70 : 1,
280  m7_40 : 1,
281  m7_95 : 1,
282  m10_2 : 1,
283  m12_2 : 1;
284 } __attribute__((packed));
285 
286 /* Chapter 10.5.2.28(a) */
288  uint8_t power_level:5,
289  spare:2,
290  atc:1;
291 } __attribute__((packed));
292 
293 /* Chapter 10.5.2.29 */
295  uint8_t re :1,
296  cell_bar :1,
297  tx_integer :4,
298  max_trans :2;
299  uint8_t t2;
300  uint8_t t3;
301 } __attribute__ ((packed));
302 
303 
304 /* Chapter 10.5.2.30 */
306  uint8_t ra;
307  uint8_t t3_high:3,
308  t1:5;
309  uint8_t t2:5,
310  t3_low:3;
311 } __attribute__ ((packed));
312 
313 /* Chapter 10.5.2.38 */
315  uint8_t t3_high:3,
316  t1:5;
317  uint8_t t2:5,
318  t3_low:3;
319 } __attribute__ ((packed));
320 
321 /* Chapter 10.5.2.39 */
323  uint8_t si:2,
324  rot:1,
325  nci:1,
326  sync_ie:4;
327 } __attribute__((packed));
328 
329 /*
330  * Chapter 9.1.5/9.1.6
331  *
332  * For 9.1.6 the chan_desc has the meaning of 10.5.2.5a
333  */
335  struct gsm48_chan_desc chan_desc;
336  uint8_t mode;
337 } __attribute__ ((packed));
338 
339 enum gsm48_chan_mode {
340  GSM48_CMODE_SIGN = 0x00,
341  GSM48_CMODE_SPEECH_V1 = 0x01,
342  GSM48_CMODE_SPEECH_EFR = 0x21,
343  GSM48_CMODE_SPEECH_AMR = 0x41,
344  GSM48_CMODE_DATA_14k5 = 0x0f,
345  GSM48_CMODE_DATA_12k0 = 0x03,
346  GSM48_CMODE_DATA_6k0 = 0x0b,
347  GSM48_CMODE_DATA_3k6 = 0x13,
348 };
349 
350 /* Chapter 9.1.2 */
352  /* Semantic is from 10.5.2.5a */
353  struct gsm48_chan_desc chan_desc;
354  uint8_t power_command;
355  uint8_t data[0];
356 } __attribute__((packed));
357 
358 /* Chapter 9.1.13 */
360  /* Semantic is from 10.5.2.5a */
361  struct gsm48_chan_desc chan_desc;
362  uint8_t mob_alloc_len;
363  uint8_t mob_alloc[0];
364 } __attribute__((packed));
365 
366 /* Chapter 10.5.2.2 */
368  uint8_t bcc:3,
369  ncc:3,
370  arfcn_hi:2;
371  uint8_t arfcn_lo;
372 } __attribute__((packed));
373 
374 /* Chapter 9.1.15 */
375 struct gsm48_ho_cmd {
376  struct gsm48_cell_desc cell_desc;
377  struct gsm48_chan_desc chan_desc;
378  uint8_t ho_ref;
379  uint8_t power_command;
380  uint8_t data[0];
381 } __attribute__((packed));
382 
383 /* Chapter 9.1.18 */
385  uint8_t l2_plen;
386  uint8_t proto_discr;
387  uint8_t msg_type;
388  uint8_t page_mode;
389  struct gsm48_chan_desc chan_desc;
390  struct gsm48_req_ref req_ref;
391  uint8_t timing_advance;
392  uint8_t mob_alloc_len;
393  uint8_t mob_alloc[0];
394 } __attribute__ ((packed));
395 
396 /* Chapter 9.1.25 */
398  uint8_t spare:4,
399  key_seq:4;
400  uint32_t classmark2;
401  uint8_t mi_len;
402  uint8_t mi[0];
403 } __attribute__ ((packed));
404 
405 /* Chapter 10.5.1.3 */
407  uint8_t digits[3]; /* BCD! */
408  uint16_t lac;
409 } __attribute__ ((packed));
410 
411 /* Section 9.2.2 */
413  uint8_t key_seq:4,
414  spare:4;
415  uint8_t rand[16];
416 } __attribute__ ((packed));
417 
418 /* Section 9.2.3 */
420  uint8_t sres[4];
421 } __attribute__ ((packed));
422 
423 /* Section 9.2.15 */
425  uint8_t type:4,
426  key_seq:4;
427  struct gsm48_loc_area_id lai;
428  struct gsm48_classmark1 classmark1;
429  uint8_t mi_len;
430  uint8_t mi[0];
431 } __attribute__ ((packed));
432 
433 /* Section 10.1 */
434 struct gsm48_hdr {
435  uint8_t proto_discr;
436  uint8_t msg_type;
437  uint8_t data[0];
438 } __attribute__ ((packed));
439 
440 /* Section 9.1.3x System information Type header */
442  uint8_t l2_plen;
443  uint8_t rr_protocol_discriminator :4,
444  skip_indicator:4;
445  uint8_t system_information;
446 } __attribute__ ((packed));
447 
448 /* Section 10.5.2.4 Cell Selection Parameters */
450  uint8_t ms_txpwr_max_ccch:5, /* GSM 05.08 MS-TXPWR-MAX-CCCH */
451  cell_resel_hyst:3; /* GSM 05.08 CELL-RESELECT-HYSTERESIS */
452  uint8_t rxlev_acc_min:6, /* GSM 05.08 RXLEV-ACCESS-MIN */
453  neci:1,
454  acs:1;
455 } __attribute__ ((packed));
456 
457 /* Section 10.5.2.11 Control Channel Description , Figure 10.5.33 */
459  uint8_t ccch_conf :3,
460  bs_ag_blks_res :3,
461  att :1,
462  spare1 :1;
463  uint8_t bs_pa_mfrms : 3,
464  spare2 :5;
465  uint8_t t3212;
466 } __attribute__ ((packed));
467 
469  uint8_t radio_link_timeout:4,
470  dtx:2,
471  pwrc:1,
472  spare:1;
473 } __attribute__ ((packed));
474 
475 /* Section 9.2.9 CM service request */
477  uint8_t cm_service_type : 4,
478  cipher_key_seq : 4;
479  /* length + 3 bytes */
480  uint32_t classmark;
481  uint8_t mi_len;
482  uint8_t mi[0];
483  /* optional priority level */
484 } __attribute__ ((packed));
485 
486 /* Section 9.1.31 System information Type 1 */
489  uint8_t cell_channel_description[16];
490  struct gsm48_rach_control rach_control;
491  uint8_t rest_octets[0]; /* NCH position on the CCCH */
492 } __attribute__ ((packed));
493 
494 /* Section 9.1.32 System information Type 2 */
497  uint8_t bcch_frequency_list[16];
498  uint8_t ncc_permitted;
499  struct gsm48_rach_control rach_control;
500 } __attribute__ ((packed));
501 
502 /* Section 9.1.33 System information Type 2bis */
505  uint8_t bcch_frequency_list[16];
506  struct gsm48_rach_control rach_control;
507  uint8_t rest_octets[0];
508 } __attribute__ ((packed));
509 
510 /* Section 9.1.34 System information Type 2ter */
513  uint8_t ext_bcch_frequency_list[16];
514  uint8_t rest_octets[0];
515 } __attribute__ ((packed));
516 
517 /* Section 9.1.34a System information Type 2quater */
520  uint8_t rest_octets[0];
521 } __attribute__ ((packed));
522 
523 /* Section 9.1.35 System information Type 3 */
526  uint16_t cell_identity;
527  struct gsm48_loc_area_id lai;
528  struct gsm48_control_channel_descr control_channel_desc;
529  struct gsm48_cell_options cell_options;
530  struct gsm48_cell_sel_par cell_sel_par;
531  struct gsm48_rach_control rach_control;
532  uint8_t rest_octets[0];
533 } __attribute__ ((packed));
534 
535 /* Section 9.1.36 System information Type 4 */
538  struct gsm48_loc_area_id lai;
539  struct gsm48_cell_sel_par cell_sel_par;
540  struct gsm48_rach_control rach_control;
541  /* optional CBCH conditional CBCH... followed by
542  mandantory SI 4 Reset Octets
543  */
544  uint8_t data[0];
545 } __attribute__ ((packed));
546 
547 /* Section 9.1.37 System information Type 5 */
549  uint8_t rr_protocol_discriminator :4,
550  skip_indicator:4;
551  uint8_t system_information;
552  uint8_t bcch_frequency_list[16];
553 } __attribute__ ((packed));
554 
555 /* Section 9.1.38 System information Type 5bis */
557  uint8_t rr_protocol_discriminator :4,
558  skip_indicator:4;
559  uint8_t system_information;
560  uint8_t bcch_frequency_list[16];
561 } __attribute__ ((packed));
562 
563 /* Section 9.1.39 System information Type 5ter */
565  uint8_t rr_protocol_discriminator :4,
566  skip_indicator:4;
567  uint8_t system_information;
568  uint8_t bcch_frequency_list[16];
569 } __attribute__ ((packed));
570 
571 /* Section 9.1.40 System information Type 6 */
573  uint8_t rr_protocol_discriminator :4,
574  skip_indicator:4;
575  uint8_t system_information;
576  uint16_t cell_identity;
577  struct gsm48_loc_area_id lai;
578  struct gsm48_cell_options cell_options;
579  uint8_t ncc_permitted;
580  uint8_t rest_octets[0];
581 } __attribute__ ((packed));
582 
583 /* Section 9.1.43a System Information type 13 */
586  uint8_t rest_octets[0];
587 } __attribute__ ((packed));
588 
589 /* Section 9.2.12 IMSI Detach Indication */
591  struct gsm48_classmark1 classmark1;
592  uint8_t mi_len;
593  uint8_t mi[0];
594 } __attribute__ ((packed));
595 
596 /* Section 9.1.1 */
598  /* Semantic is from 10.5.2.5 */
599  struct gsm48_chan_desc chan_desc;
600  uint8_t data[0];
601 } __attribute__((packed));
602 
603 /* Section 9.1.3 */
605  uint8_t rr_cause;
606 } __attribute__((packed));
607 
608 /* Section 9.1.4 */
610  uint8_t rr_cause;
611 } __attribute__((packed));
612 
613 /* Section 9.1.3 */
614 struct gsm48_ho_cpl {
615  uint8_t rr_cause;
616  uint8_t data[0];
617 } __attribute__((packed));
618 
619 /* Section 9.1.4 */
621  uint8_t rr_cause;
622 } __attribute__((packed));
623 
624 /* Section 9.1.7 */
626  uint8_t rr_cause;
627  uint8_t data[0];
628 } __attribute__((packed));
629 
630 /* Section 9.1.9 */
632  uint8_t sc:1,
633  alg_id:3,
634  cr:1,
635  spare:3;
636 } __attribute__((packed));
637 
638 /* Section 9.1.11 */
640  uint8_t cm2_len;
641  struct gsm48_classmark2 cm2;
642  uint8_t data[0];
643 } __attribute__((packed));
644 
645 /* Section 9.1.19 */
647  uint8_t l2_plen;
648  uint8_t proto_discr;
649  uint8_t msg_type;
650  uint8_t page_mode;
651  struct gsm48_chan_desc chan_desc1;
652  struct gsm48_req_ref req_ref1;
653  uint8_t timing_advance1;
654  struct gsm48_chan_desc chan_desc2;
655  struct gsm48_req_ref req_ref2;
656  uint8_t timing_advance2;
657  uint8_t mob_alloc_len;
658  uint8_t mob_alloc[0];
659 } __attribute__ ((packed));
660 
661 /* Section 9.1.20 */
663  uint8_t l2_plen;
664  uint8_t proto_discr;
665  uint8_t msg_type;
666  uint8_t page_mode;
667  struct gsm48_req_ref req_ref1;
668  uint8_t wait_ind1;
669  struct gsm48_req_ref req_ref2;
670  uint8_t wait_ind2;
671  struct gsm48_req_ref req_ref3;
672  uint8_t wait_ind3;
673  struct gsm48_req_ref req_ref4;
674  uint8_t wait_ind4;
675  uint8_t rest[0];
676 } __attribute__ ((packed));
677 
678 /* Section 9.1.22 */
680  uint8_t l2_plen;
681  uint8_t proto_discr;
682  uint8_t msg_type;
683  uint8_t pag_mode:2,
684  spare:2,
685  cneed1:2,
686  cneed2:2;
687  uint8_t data[0];
688 } __attribute__((packed));
689 
690 /* Section 9.1.23 */
692  uint8_t l2_plen;
693  uint8_t proto_discr;
694  uint8_t msg_type;
695  uint8_t pag_mode:2,
696  spare:2,
697  cneed1:2,
698  cneed2:2;
699  uint32_t tmsi1;
700  uint32_t tmsi2;
701  uint8_t data[0];
702 } __attribute__((packed));
703 
704 /* Section 9.1.24 */
706  uint8_t l2_plen;
707  uint8_t proto_discr;
708  uint8_t msg_type;
709  uint8_t pag_mode:2,
710  spare:2,
711  cneed1:2,
712  cneed2:2;
713  uint32_t tmsi1;
714  uint32_t tmsi2;
715  uint32_t tmsi3;
716  uint32_t tmsi4;
717  uint8_t cneed3:2,
718  cneed4:2,
719  spare2:4;
720  uint8_t rest[0];
721 } __attribute__((packed));
722 
723 /* Section 9.1.25 */
725  uint8_t key_seq:3,
726  spare:5;
727  uint8_t cm2_len;
728  struct gsm48_classmark2 cm2;
729  uint8_t data[0];
730 } __attribute__((packed));
731 
732 /* Section 9.1.29 */
734  uint8_t rr_cause;
735 } __attribute__((packed));
736 
737 /* Section 10.2 + GSM 04.07 12.2.3.1.1 */
738 #define GSM48_PDISC_GROUP_CC 0x00
739 #define GSM48_PDISC_BCAST_CC 0x01
740 #define GSM48_PDISC_PDSS1 0x02
741 #define GSM48_PDISC_CC 0x03
742 #define GSM48_PDISC_PDSS2 0x04
743 #define GSM48_PDISC_MM 0x05
744 #define GSM48_PDISC_RR 0x06
745 #define GSM48_PDISC_MM_GPRS 0x08
746 #define GSM48_PDISC_SMS 0x09
747 #define GSM48_PDISC_SM_GPRS 0x0a
748 #define GSM48_PDISC_NC_SS 0x0b
749 #define GSM48_PDISC_LOC 0x0c
750 #define GSM48_PDISC_EXTEND 0x0e
751 #define GSM48_PDISC_MASK 0x0f
752 #define GSM48_PDISC_USSD 0x11
753 
754 static inline uint8_t gsm48_hdr_pdisc(const struct gsm48_hdr *hdr)
755 {
756  /*
757  * 3GPP TS 24.007 version 12.0.0 Release 12,
758  * 11.2.3.1.1 Protocol discriminator
759  */
760  uint8_t pdisc = hdr->proto_discr & GSM48_PDISC_MASK;
761  if (pdisc == GSM48_PDISC_EXTEND)
762  return hdr->proto_discr;
763  return pdisc;
764 }
765 
766 static inline uint8_t gsm48_hdr_trans_id(const struct gsm48_hdr *hdr)
767 {
768  /*
769  * 3GPP TS 24.007 version 12.0.0 Release 12,
770  * 11.2.3.1.3 Transaction identifier
771  */
772  return (hdr->proto_discr & 0xf0) >> 4;
773 }
774 
775 static inline uint8_t gsm48_hdr_trans_id_flip_ti(const struct gsm48_hdr *hdr)
776 {
777  return gsm48_hdr_trans_id(hdr) ^ 0x08;
778 }
779 
780 static inline uint8_t gsm48_hdr_trans_id_no_ti(const struct gsm48_hdr *hdr)
781 {
782  return gsm48_hdr_trans_id(hdr) & 0x07;
783 }
784 
785 static inline uint8_t gsm48_hdr_msg_type_r98(const struct gsm48_hdr *hdr)
786 {
787  /*
788  * 3GPP TS 24.007 version 12.0.0 Release 12,
789  * 11.2.3.2.1 Message type octet (when accessing Release 98 and older
790  * networks only)
791  */
792  switch (gsm48_hdr_pdisc(hdr)) {
793  case GSM48_PDISC_MM:
794  case GSM48_PDISC_CC:
795  case GSM48_PDISC_NC_SS:
796  case GSM48_PDISC_GROUP_CC:
797  case GSM48_PDISC_BCAST_CC:
798  case GSM48_PDISC_LOC:
799  return hdr->msg_type & 0xbf;
800  default:
801  return hdr->msg_type;
802  }
803 }
804 
805 static inline uint8_t gsm48_hdr_msg_type_r99(const struct gsm48_hdr *hdr)
806 {
807  /*
808  * 3GPP TS 24.007 version 12.0.0 Release 12,
809  * 11.2.3.2.2 Message type octet (when accessing Release 99 and newer
810  * networks)
811  */
812  switch (gsm48_hdr_pdisc(hdr)) {
813  case GSM48_PDISC_MM:
814  case GSM48_PDISC_CC:
815  return hdr->msg_type & 0x3f;
816  case GSM48_PDISC_NC_SS:
817  case GSM48_PDISC_GROUP_CC:
818  case GSM48_PDISC_BCAST_CC:
819  case GSM48_PDISC_LOC:
820  return hdr->msg_type & 0xbf;
821  default:
822  return hdr->msg_type;
823  }
824 }
825 
826 #define gsm48_hdr_msg_type gsm48_hdr_msg_type_r99
827 
828 /* Section 10.4 */
829 #define GSM48_MT_RR_INIT_REQ 0x3c
830 #define GSM48_MT_RR_ADD_ASS 0x3b
831 #define GSM48_MT_RR_IMM_ASS 0x3f
832 #define GSM48_MT_RR_IMM_ASS_EXT 0x39
833 #define GSM48_MT_RR_IMM_ASS_REJ 0x3a
834 
835 #define GSM48_MT_RR_CIPH_M_CMD 0x35
836 #define GSM48_MT_RR_CIPH_M_COMPL 0x32
837 
838 #define GSM48_MT_RR_CFG_CHG_CMD 0x30
839 #define GSM48_MT_RR_CFG_CHG_ACK 0x31
840 #define GSM48_MT_RR_CFG_CHG_REJ 0x33
841 
842 #define GSM48_MT_RR_ASS_CMD 0x2e
843 #define GSM48_MT_RR_ASS_COMPL 0x29
844 #define GSM48_MT_RR_ASS_FAIL 0x2f
845 #define GSM48_MT_RR_HANDO_CMD 0x2b
846 #define GSM48_MT_RR_HANDO_COMPL 0x2c
847 #define GSM48_MT_RR_HANDO_FAIL 0x28
848 #define GSM48_MT_RR_HANDO_INFO 0x2d
849 
850 #define GSM48_MT_RR_CELL_CHG_ORDER 0x08
851 #define GSM48_MT_RR_PDCH_ASS_CMD 0x23
852 
853 #define GSM48_MT_RR_CHAN_REL 0x0d
854 #define GSM48_MT_RR_PART_REL 0x0a
855 #define GSM48_MT_RR_PART_REL_COMP 0x0f
856 
857 #define GSM48_MT_RR_PAG_REQ_1 0x21
858 #define GSM48_MT_RR_PAG_REQ_2 0x22
859 #define GSM48_MT_RR_PAG_REQ_3 0x24
860 #define GSM48_MT_RR_PAG_RESP 0x27
861 #define GSM48_MT_RR_NOTIF_NCH 0x20
862 #define GSM48_MT_RR_NOTIF_FACCH 0x25
863 #define GSM48_MT_RR_NOTIF_RESP 0x26
864 
865 #define GSM48_MT_RR_SYSINFO_8 0x18
866 #define GSM48_MT_RR_SYSINFO_1 0x19
867 #define GSM48_MT_RR_SYSINFO_2 0x1a
868 #define GSM48_MT_RR_SYSINFO_3 0x1b
869 #define GSM48_MT_RR_SYSINFO_4 0x1c
870 #define GSM48_MT_RR_SYSINFO_5 0x1d
871 #define GSM48_MT_RR_SYSINFO_6 0x1e
872 #define GSM48_MT_RR_SYSINFO_7 0x1f
873 
874 #define GSM48_MT_RR_SYSINFO_2bis 0x02
875 #define GSM48_MT_RR_SYSINFO_2ter 0x03
876 #define GSM48_MT_RR_SYSINFO_2quater 0x07
877 #define GSM48_MT_RR_SYSINFO_5bis 0x05
878 #define GSM48_MT_RR_SYSINFO_5ter 0x06
879 #define GSM48_MT_RR_SYSINFO_9 0x04
880 #define GSM48_MT_RR_SYSINFO_13 0x00
881 
882 #define GSM48_MT_RR_SYSINFO_16 0x3d
883 #define GSM48_MT_RR_SYSINFO_17 0x3e
884 
885 #define GSM48_MT_RR_CHAN_MODE_MODIF 0x10
886 #define GSM48_MT_RR_STATUS 0x12
887 #define GSM48_MT_RR_CHAN_MODE_MODIF_ACK 0x17
888 #define GSM48_MT_RR_FREQ_REDEF 0x14
889 #define GSM48_MT_RR_MEAS_REP 0x15
890 #define GSM48_MT_RR_CLSM_CHG 0x16
891 #define GSM48_MT_RR_CLSM_ENQ 0x13
892 #define GSM48_MT_RR_EXT_MEAS_REP 0x36
893 #define GSM48_MT_RR_EXT_MEAS_REP_ORD 0x37
894 #define GSM48_MT_RR_GPRS_SUSP_REQ 0x34
895 
896 #define GSM48_MT_RR_VGCS_UPL_GRANT 0x09
897 #define GSM48_MT_RR_UPLINK_RELEASE 0x0e
898 #define GSM48_MT_RR_UPLINK_FREE 0x0c
899 #define GSM48_MT_RR_UPLINK_BUSY 0x2a
900 #define GSM48_MT_RR_TALKER_IND 0x11
901 
902 #define GSM48_MT_RR_APP_INFO 0x38
903 
904 /* Table 10.2/3GPP TS 04.08 */
905 #define GSM48_MT_MM_IMSI_DETACH_IND 0x01
906 #define GSM48_MT_MM_LOC_UPD_ACCEPT 0x02
907 #define GSM48_MT_MM_LOC_UPD_REJECT 0x04
908 #define GSM48_MT_MM_LOC_UPD_REQUEST 0x08
909 
910 #define GSM48_MT_MM_AUTH_REJ 0x11
911 #define GSM48_MT_MM_AUTH_REQ 0x12
912 #define GSM48_MT_MM_AUTH_RESP 0x14
913 #define GSM48_MT_MM_ID_REQ 0x18
914 #define GSM48_MT_MM_ID_RESP 0x19
915 #define GSM48_MT_MM_TMSI_REALL_CMD 0x1a
916 #define GSM48_MT_MM_TMSI_REALL_COMPL 0x1b
917 
918 #define GSM48_MT_MM_CM_SERV_ACC 0x21
919 #define GSM48_MT_MM_CM_SERV_REJ 0x22
920 #define GSM48_MT_MM_CM_SERV_ABORT 0x23
921 #define GSM48_MT_MM_CM_SERV_REQ 0x24
922 #define GSM48_MT_MM_CM_SERV_PROMPT 0x25
923 #define GSM48_MT_MM_CM_REEST_REQ 0x28
924 #define GSM48_MT_MM_ABORT 0x29
925 
926 #define GSM48_MT_MM_NULL 0x30
927 #define GSM48_MT_MM_STATUS 0x31
928 #define GSM48_MT_MM_INFO 0x32
929 
930 /* Table 10.3/3GPP TS 04.08 */
931 #define GSM48_MT_CC_ALERTING 0x01
932 #define GSM48_MT_CC_CALL_CONF 0x08
933 #define GSM48_MT_CC_CALL_PROC 0x02
934 #define GSM48_MT_CC_CONNECT 0x07
935 #define GSM48_MT_CC_CONNECT_ACK 0x0f
936 #define GSM48_MT_CC_EMERG_SETUP 0x0e
937 #define GSM48_MT_CC_PROGRESS 0x03
938 #define GSM48_MT_CC_ESTAB 0x04
939 #define GSM48_MT_CC_ESTAB_CONF 0x06
940 #define GSM48_MT_CC_RECALL 0x0b
941 #define GSM48_MT_CC_START_CC 0x09
942 #define GSM48_MT_CC_SETUP 0x05
943 
944 #define GSM48_MT_CC_MODIFY 0x17
945 #define GSM48_MT_CC_MODIFY_COMPL 0x1f
946 #define GSM48_MT_CC_MODIFY_REJECT 0x13
947 #define GSM48_MT_CC_USER_INFO 0x10
948 #define GSM48_MT_CC_HOLD 0x18
949 #define GSM48_MT_CC_HOLD_ACK 0x19
950 #define GSM48_MT_CC_HOLD_REJ 0x1a
951 #define GSM48_MT_CC_RETR 0x1c
952 #define GSM48_MT_CC_RETR_ACK 0x1d
953 #define GSM48_MT_CC_RETR_REJ 0x1e
954 
955 #define GSM48_MT_CC_DISCONNECT 0x25
956 #define GSM48_MT_CC_RELEASE 0x2d
957 #define GSM48_MT_CC_RELEASE_COMPL 0x2a
958 
959 #define GSM48_MT_CC_CONG_CTRL 0x39
960 #define GSM48_MT_CC_NOTIFY 0x3e
961 #define GSM48_MT_CC_STATUS 0x3d
962 #define GSM48_MT_CC_STATUS_ENQ 0x34
963 #define GSM48_MT_CC_START_DTMF 0x35
964 #define GSM48_MT_CC_STOP_DTMF 0x31
965 #define GSM48_MT_CC_STOP_DTMF_ACK 0x32
966 #define GSM48_MT_CC_START_DTMF_ACK 0x36
967 #define GSM48_MT_CC_START_DTMF_REJ 0x37
968 #define GSM48_MT_CC_FACILITY 0x3a
969 
970 /* FIXME: Table 10.4 / 10.4a (GPRS) */
971 
972 /* Section 10.5.3.3 CM service type */
973 #define GSM48_CMSERV_MO_CALL_PACKET 1
974 #define GSM48_CMSERV_EMERGENCY 2
975 #define GSM48_CMSERV_SMS 4
976 #define GSM48_CMSERV_SUP_SERV 8
977 #define GSM48_CMSERV_VGCS 9
978 #define GSM48_CMSERV_VBS 10
979 #define GSM48_CMSERV_LOC_SERV 11
980 
981 /* Section 10.5.2.26, Table 10.5.64 */
982 #define GSM48_PM_MASK 0x03
983 #define GSM48_PM_NORMAL 0x00
984 #define GSM48_PM_EXTENDED 0x01
985 #define GSM48_PM_REORG 0x02
986 #define GSM48_PM_SAME 0x03
987 
988 /* Chapter 10.5.3.5 / Table 10.5.93 */
989 #define GSM48_LUPD_NORMAL 0x0
990 #define GSM48_LUPD_PERIODIC 0x1
991 #define GSM48_LUPD_IMSI_ATT 0x2
992 #define GSM48_LUPD_RESERVED 0x3
993 
994 /* Table 10.5.4 */
995 #define GSM_MI_TYPE_MASK 0x07
996 #define GSM_MI_TYPE_NONE 0x00
997 #define GSM_MI_TYPE_IMSI 0x01
998 #define GSM_MI_TYPE_IMEI 0x02
999 #define GSM_MI_TYPE_IMEISV 0x03
1000 #define GSM_MI_TYPE_TMSI 0x04
1001 #define GSM_MI_ODD 0x08
1002 
1003 #define GSM48_IE_MOBILE_ID 0x17 /* 10.5.1.4 */
1004 #define GSM48_IE_NAME_LONG 0x43 /* 10.5.3.5a */
1005 #define GSM48_IE_NAME_SHORT 0x45 /* 10.5.3.5a */
1006 #define GSM48_IE_UTC 0x46 /* 10.5.3.8 */
1007 #define GSM48_IE_NET_TIME_TZ 0x47 /* 10.5.3.9 */
1008 #define GSM48_IE_LSA_IDENT 0x48 /* 10.5.3.11 */
1009 #define GSM48_IE_NET_DST 0x49 /* 10.5.3.12 [24.008] */
1010 
1011 #define GSM48_IE_BEARER_CAP 0x04 /* 10.5.4.5 */
1012 #define GSM48_IE_CAUSE 0x08 /* 10.5.4.11 */
1013 #define GSM48_IE_CC_CAP 0x15 /* 10.5.4.5a */
1014 #define GSM48_IE_ALERT 0x19 /* 10.5.4.26 */
1015 #define GSM48_IE_FACILITY 0x1c /* 10.5.4.15 */
1016 #define GSM48_IE_PROGR_IND 0x1e /* 10.5.4.21 */
1017 #define GSM48_IE_AUX_STATUS 0x24 /* 10.5.4.4 */
1018 #define GSM48_IE_NOTIFY 0x27 /* 10.5.4.20 */
1019 #define GSM48_IE_KPD_FACILITY 0x2c /* 10.5.4.17 */
1020 #define GSM48_IE_SIGNAL 0x34 /* 10.5.4.23 */
1021 #define GSM48_IE_CONN_BCD 0x4c /* 10.5.4.13 */
1022 #define GSM48_IE_CONN_SUB 0x4d /* 10.5.4.14 */
1023 #define GSM48_IE_CALLING_BCD 0x5c /* 10.5.4.9 */
1024 #define GSM48_IE_CALLING_SUB 0x5d /* 10.5.4.10 */
1025 #define GSM48_IE_CALLED_BCD 0x5e /* 10.5.4.7 */
1026 #define GSM48_IE_CALLED_SUB 0x6d /* 10.5.4.8 */
1027 #define GSM48_IE_REDIR_BCD 0x74 /* 10.5.4.21a */
1028 #define GSM48_IE_REDIR_SUB 0x75 /* 10.5.4.21b */
1029 #define GSM48_IE_LOWL_COMPAT 0x7c /* 10.5.4.18 */
1030 #define GSM48_IE_HIGHL_COMPAT 0x7d /* 10.5.4.16 */
1031 #define GSM48_IE_USER_USER 0x7e /* 10.5.4.25 */
1032 #define GSM48_IE_SS_VERS 0x7f /* 10.5.4.24 */
1033 #define GSM48_IE_MORE_DATA 0xa0 /* 10.5.4.19 */
1034 #define GSM48_IE_CLIR_SUPP 0xa1 /* 10.5.4.11a */
1035 #define GSM48_IE_CLIR_INVOC 0xa2 /* 10.5.4.11b */
1036 #define GSM48_IE_REV_C_SETUP 0xa3 /* 10.5.4.22a */
1037 #define GSM48_IE_REPEAT_CIR 0xd1 /* 10.5.4.22 */
1038 #define GSM48_IE_REPEAT_SEQ 0xd3 /* 10.5.4.22 */
1039 
1040 /* Section 10.5.4.11 / Table 10.5.122 */
1041 #define GSM48_CAUSE_CS_GSM 0x60
1042 
1043 /* Section 9.1.2 / Table 9.3 */
1044 /* RR elements */
1045 #define GSM48_IE_VGCS_TARGET 0x01
1046 //#define GSM48_IE_VGCS_T_MODE_I 0x01
1047 #define GSM48_IE_FRQSHORT_AFTER 0x02
1048 #define GSM48_IE_MUL_RATE_CFG 0x03 /* 10.5.2.21aa */
1049 #define GSM48_IE_FREQ_L_AFTER 0x05
1050 #define GSM48_IE_MSLOT_DESC 0x10
1051 #define GSM48_IE_CHANMODE_2 0x11
1052 #define GSM48_IE_FRQSHORT_BEFORE 0x12
1053 //#define GSM48_IE_FRQSHORT_BEFOR 0x12
1054 #define GSM48_IE_CHANMODE_3 0x13
1055 #define GSM48_IE_CHANMODE_4 0x14
1056 #define GSM48_IE_CHANMODE_5 0x15
1057 #define GSM48_IE_CHANMODE_6 0x16
1058 #define GSM48_IE_CHANMODE_7 0x17
1059 #define GSM48_IE_CHANMODE_8 0x18
1060 #define GSM48_IE_CHANDESC_2 0x64
1061 #define GSM48_IE_MA_AFTER 0x72
1062 #define GSM48_IE_START_TIME 0x7c
1063 #define GSM48_IE_FREQ_L_BEFORE 0x19
1064 //#define GSM48_IE_FRQLIST_BEFORE 0x19
1065 #define GSM48_IE_CH_DESC_1_BEFORE 0x1c
1066 //#define GSM48_IE_CHDES_1_BEFORE 0x1c
1067 #define GSM48_IE_CH_DESC_2_BEFORE 0x1d
1068 //#define GSM48_IE_CHDES_2_BEFORE 0x1d
1069 #define GSM48_IE_F_CH_SEQ_BEFORE 0x1e
1070 //#define GSM48_IE_FRQSEQ_BEFORE 0x1e
1071 #define GSM48_IE_CLASSMARK3 0x20
1072 #define GSM48_IE_MA_BEFORE 0x21
1073 #define GSM48_IE_RR_PACKET_UL 0x22
1074 #define GSM48_IE_RR_PACKET_DL 0x23
1075 #define GSM48_IE_CELL_CH_DESC 0x62
1076 #define GSM48_IE_CHANMODE_1 0x63
1077 #define GSM48_IE_CHDES_2_AFTER 0x64
1078 #define GSM48_IE_MODE_SEC_CH 0x66
1079 #define GSM48_IE_F_CH_SEQ_AFTER 0x69
1080 #define GSM48_IE_MA_AFTER 0x72
1081 #define GSM48_IE_BA_RANGE 0x73
1082 #define GSM48_IE_GROUP_CHDES 0x74
1083 #define GSM48_IE_BA_LIST_PREF 0x75
1084 #define GSM48_IE_MOB_OVSERV_DIF 0x77
1085 #define GSM48_IE_REALTIME_DIFF 0x7b
1086 #define GSM48_IE_START_TIME 0x7c
1087 #define GSM48_IE_TIMING_ADVANCE 0x7d
1088 #define GSM48_IE_GROUP_CIP_SEQ 0x80
1089 #define GSM48_IE_CIP_MODE_SET 0x90
1090 #define GSM48_IE_GPRS_RESUMPT 0xc0
1091 #define GSM48_IE_SYNC_IND 0xd0
1092 /* System Information 4 (types are equal IEs above) */
1093 #define GSM48_IE_CBCH_CHAN_DESC 0x64
1094 #define GSM48_IE_CBCH_MOB_AL 0x72
1095 
1096 /* Additional MM elements */
1097 #define GSM48_IE_LOCATION_AREA 0x13
1098 #define GSM48_IE_PRIORITY_LEV 0x80
1099 #define GSM48_IE_FOLLOW_ON_PROC 0xa1
1100 #define GSM48_IE_CTS_PERMISSION 0xa2
1101 
1102 /* Section 10.5.4.23 / Table 10.5.130 */
1103 enum gsm48_signal_val {
1104  GSM48_SIGNAL_DIALTONE = 0x00,
1105  GSM48_SIGNAL_RINGBACK = 0x01,
1106  GSM48_SIGNAL_INTERCEPT = 0x02,
1107  GSM48_SIGNAL_NET_CONG = 0x03,
1108  GSM48_SIGNAL_BUSY = 0x04,
1109  GSM48_SIGNAL_CONFIRM = 0x05,
1110  GSM48_SIGNAL_ANSWER = 0x06,
1111  GSM48_SIGNAL_CALL_WAIT = 0x07,
1112  GSM48_SIGNAL_OFF_HOOK = 0x08,
1113  GSM48_SIGNAL_OFF = 0x3f,
1114  GSM48_SIGNAL_ALERT_OFF = 0x4f,
1115 };
1116 
1117 enum gsm48_cause_loc {
1118  GSM48_CAUSE_LOC_USER = 0x00,
1119  GSM48_CAUSE_LOC_PRN_S_LU = 0x01,
1120  GSM48_CAUSE_LOC_PUN_S_LU = 0x02,
1121  GSM48_CAUSE_LOC_TRANS_NET = 0x03,
1122  GSM48_CAUSE_LOC_PUN_S_RU = 0x04,
1123  GSM48_CAUSE_LOC_PRN_S_RU = 0x05,
1124  /* not defined */
1125  GSM48_CAUSE_LOC_INN_NET = 0x07,
1126  GSM48_CAUSE_LOC_NET_BEYOND = 0x0a,
1127 };
1128 
1129 /* Section 10.5.2.31 RR Cause / Table 10.5.70 */
1130 enum gsm48_rr_cause {
1131  GSM48_RR_CAUSE_NORMAL = 0x00,
1132  GSM48_RR_CAUSE_ABNORMAL_UNSPEC = 0x01,
1133  GSM48_RR_CAUSE_ABNORMAL_UNACCT = 0x02,
1134  GSM48_RR_CAUSE_ABNORMAL_TIMER = 0x03,
1135  GSM48_RR_CAUSE_ABNORMAL_NOACT = 0x04,
1136  GSM48_RR_CAUSE_PREMPTIVE_REL = 0x05,
1137  GSM48_RR_CAUSE_HNDOVER_IMP = 0x08,
1138  GSM48_RR_CAUSE_CHAN_MODE_UNACCT = 0x09,
1139  GSM48_RR_CAUSE_FREQ_NOT_IMPL = 0x0a,
1140  GSM48_RR_CAUSE_CALL_CLEARED = 0x41,
1141  GSM48_RR_CAUSE_SEMANT_INCORR = 0x5f,
1142  GSM48_RR_CAUSE_INVALID_MAND_INF = 0x60,
1143  GSM48_RR_CAUSE_MSG_TYPE_N = 0x61,
1144  GSM48_RR_CAUSE_MSG_TYPE_N_COMPAT= 0x62,
1145  GSM48_RR_CAUSE_COND_IE_ERROR = 0x64,
1146  GSM48_RR_CAUSE_NO_CELL_ALLOC_A = 0x65,
1147  GSM48_RR_CAUSE_PROT_ERROR_UNSPC = 0x6f,
1148 };
1149 
1150 /* Section 10.5.4.11 CC Cause / Table 10.5.123 */
1151 enum gsm48_cc_cause {
1152  GSM48_CC_CAUSE_UNASSIGNED_NR = 1,
1153  GSM48_CC_CAUSE_NO_ROUTE = 3,
1154  GSM48_CC_CAUSE_CHAN_UNACCEPT = 6,
1155  GSM48_CC_CAUSE_OP_DET_BARRING = 8,
1156  GSM48_CC_CAUSE_NORM_CALL_CLEAR = 16,
1157  GSM48_CC_CAUSE_USER_BUSY = 17,
1158  GSM48_CC_CAUSE_USER_NOTRESPOND = 18,
1159  GSM48_CC_CAUSE_USER_ALERTING_NA = 19,
1160  GSM48_CC_CAUSE_CALL_REJECTED = 21,
1161  GSM48_CC_CAUSE_NUMBER_CHANGED = 22,
1162  GSM48_CC_CAUSE_PRE_EMPTION = 25,
1163  GSM48_CC_CAUSE_NONSE_USER_CLR = 26,
1164  GSM48_CC_CAUSE_DEST_OOO = 27,
1165  GSM48_CC_CAUSE_INV_NR_FORMAT = 28,
1166  GSM48_CC_CAUSE_FACILITY_REJ = 29,
1167  GSM48_CC_CAUSE_RESP_STATUS_INQ = 30,
1168  GSM48_CC_CAUSE_NORMAL_UNSPEC = 31,
1169  GSM48_CC_CAUSE_NO_CIRCUIT_CHAN = 34,
1170  GSM48_CC_CAUSE_NETWORK_OOO = 38,
1171  GSM48_CC_CAUSE_TEMP_FAILURE = 41,
1172  GSM48_CC_CAUSE_SWITCH_CONG = 42,
1173  GSM48_CC_CAUSE_ACC_INF_DISCARD = 43,
1174  GSM48_CC_CAUSE_REQ_CHAN_UNAVAIL = 44,
1175  GSM48_CC_CAUSE_RESOURCE_UNAVAIL = 47,
1176  GSM48_CC_CAUSE_QOS_UNAVAIL = 49,
1177  GSM48_CC_CAUSE_REQ_FAC_NOT_SUBSC= 50,
1178  GSM48_CC_CAUSE_INC_BARRED_CUG = 55,
1179  GSM48_CC_CAUSE_BEARER_CAP_UNAUTH= 57,
1180  GSM48_CC_CAUSE_BEARER_CA_UNAVAIL= 58,
1181  GSM48_CC_CAUSE_SERV_OPT_UNAVAIL = 63,
1182  GSM48_CC_CAUSE_BEARERSERV_UNIMPL= 65,
1183  GSM48_CC_CAUSE_ACM_GE_ACM_MAX = 68,
1184  GSM48_CC_CAUSE_REQ_FAC_NOTIMPL = 69,
1185  GSM48_CC_CAUSE_RESTR_BCAP_AVAIL = 70,
1186  GSM48_CC_CAUSE_SERV_OPT_UNIMPL = 79,
1187  GSM48_CC_CAUSE_INVAL_TRANS_ID = 81,
1188  GSM48_CC_CAUSE_USER_NOT_IN_CUG = 87,
1189  GSM48_CC_CAUSE_INCOMPAT_DEST = 88,
1190  GSM48_CC_CAUSE_INVAL_TRANS_NET = 91,
1191  GSM48_CC_CAUSE_SEMANTIC_INCORR = 95,
1192  GSM48_CC_CAUSE_INVAL_MAND_INF = 96,
1193  GSM48_CC_CAUSE_MSGTYPE_NOTEXIST = 97,
1194  GSM48_CC_CAUSE_MSGTYPE_INCOMPAT = 98,
1195  GSM48_CC_CAUSE_IE_NOTEXIST = 99,
1196  GSM48_CC_CAUSE_COND_IE_ERR = 100,
1197  GSM48_CC_CAUSE_MSG_INCOMP_STATE = 101,
1198  GSM48_CC_CAUSE_RECOVERY_TIMER = 102,
1199  GSM48_CC_CAUSE_PROTO_ERR = 111,
1200  GSM48_CC_CAUSE_INTERWORKING = 127,
1201 };
1202 
1203 /* Annex G, GSM specific cause values for mobility management */
1204 enum gsm48_reject_value {
1205  GSM48_REJECT_IMSI_UNKNOWN_IN_HLR = 2,
1206  GSM48_REJECT_ILLEGAL_MS = 3,
1207  GSM48_REJECT_IMSI_UNKNOWN_IN_VLR = 4,
1208  GSM48_REJECT_IMEI_NOT_ACCEPTED = 5,
1209  GSM48_REJECT_ILLEGAL_ME = 6,
1210  GSM48_REJECT_PLMN_NOT_ALLOWED = 11,
1211  GSM48_REJECT_LOC_NOT_ALLOWED = 12,
1212  GSM48_REJECT_ROAMING_NOT_ALLOWED = 13,
1213  GSM48_REJECT_NETWORK_FAILURE = 17,
1214  GSM48_REJECT_CONGESTION = 22,
1215  GSM48_REJECT_SRV_OPT_NOT_SUPPORTED = 32,
1216  GSM48_REJECT_RQD_SRV_OPT_NOT_SUPPORTED = 33,
1217  GSM48_REJECT_SRV_OPT_TMP_OUT_OF_ORDER = 34,
1218  GSM48_REJECT_CALL_CAN_NOT_BE_IDENTIFIED = 38,
1219  GSM48_REJECT_INCORRECT_MESSAGE = 95,
1220  GSM48_REJECT_INVALID_MANDANTORY_INF = 96,
1221  GSM48_REJECT_MSG_TYPE_NOT_IMPLEMENTED = 97,
1222  GSM48_REJECT_MSG_TYPE_NOT_COMPATIBLE = 98,
1223  GSM48_REJECT_INF_ELEME_NOT_IMPLEMENTED = 99,
1224  GSM48_REJECT_CONDTIONAL_IE_ERROR = 100,
1225  GSM48_REJECT_MSG_NOT_COMPATIBLE = 101,
1226  GSM48_REJECT_PROTOCOL_ERROR = 111,
1227 
1228  /* according to G.6 Additional cause codes for GMM */
1229  GSM48_REJECT_GPRS_NOT_ALLOWED = 7,
1230  GSM48_REJECT_SERVICES_NOT_ALLOWED = 8,
1231  GSM48_REJECT_MS_IDENTITY_NOT_DERVIVABLE = 9,
1232  GSM48_REJECT_IMPLICITLY_DETACHED = 10,
1233  GSM48_REJECT_GPRS_NOT_ALLOWED_IN_PLMN = 14,
1234  GSM48_REJECT_MSC_TMP_NOT_REACHABLE = 16,
1235 };
1236 
1237 enum chreq_type {
1238  CHREQ_T_EMERG_CALL,
1239  CHREQ_T_CALL_REEST_TCH_F,
1240  CHREQ_T_CALL_REEST_TCH_H,
1241  CHREQ_T_CALL_REEST_TCH_H_DBL,
1242  CHREQ_T_SDCCH,
1243  CHREQ_T_TCH_F,
1244  CHREQ_T_VOICE_CALL_TCH_H,
1245  CHREQ_T_DATA_CALL_TCH_H,
1246  CHREQ_T_LOCATION_UPD,
1247  CHREQ_T_PAG_R_ANY_NECI0,
1248  CHREQ_T_PAG_R_ANY_NECI1,
1249  CHREQ_T_PAG_R_TCH_F,
1250  CHREQ_T_PAG_R_TCH_FH,
1251  CHREQ_T_LMU,
1252  CHREQ_T_RESERVED_SDCCH,
1253  CHREQ_T_RESERVED_IGNORE,
1254 };
1255 
1256 /* Chapter 11.3 */
1257 #define GSM48_T301 180, 0
1258 #define GSM48_T303 30, 0
1259 #define GSM48_T305 30, 0
1260 #define GSM48_T306 30, 0
1261 #define GSM48_T308 10, 0
1262 #define GSM48_T310 180, 0
1263 #define GSM48_T313 30, 0
1264 #define GSM48_T323 30, 0
1265 #define GSM48_T331 30, 0
1266 #define GSM48_T333 30, 0
1267 #define GSM48_T334 25, 0 /* min 15 */
1268 #define GSM48_T338 30, 0
1269 #define GSM48_T303_MS 30, 0
1270 #define GSM48_T305_MS 30, 0
1271 #define GSM48_T308_MS 30, 0
1272 #define GSM48_T310_MS 30, 0
1273 #define GSM48_T313_MS 30, 0
1274 #define GSM48_T323_MS 30, 0
1275 #define GSM48_T332_MS 30, 0
1276 #define GSM48_T335_MS 30, 0
1277 
1278 /* Chapter 5.1.2.2 */
1279 #define GSM_CSTATE_NULL 0
1280 #define GSM_CSTATE_INITIATED 1
1281 #define GSM_CSTATE_MM_CONNECTION_PEND 2 /* see 10.5.4.6 */
1282 #define GSM_CSTATE_MO_CALL_PROC 3
1283 #define GSM_CSTATE_CALL_DELIVERED 4
1284 #define GSM_CSTATE_CALL_PRESENT 6
1285 #define GSM_CSTATE_CALL_RECEIVED 7
1286 #define GSM_CSTATE_CONNECT_REQUEST 8
1287 #define GSM_CSTATE_MO_TERM_CALL_CONF 9
1288 #define GSM_CSTATE_ACTIVE 10
1289 #define GSM_CSTATE_DISCONNECT_REQ 12
1290 #define GSM_CSTATE_DISCONNECT_IND 12
1291 #define GSM_CSTATE_RELEASE_REQ 19
1292 #define GSM_CSTATE_MO_ORIG_MODIFY 26
1293 #define GSM_CSTATE_MO_TERM_MODIFY 27
1294 #define GSM_CSTATE_CONNECT_IND 28
1295 
1296 #define SBIT(a) (1 << a)
1297 #define ALL_STATES 0xffffffff
1298 
1299 /* Table 10.5.3/3GPP TS 04.08: Location Area Identification information element */
1300 #define GSM_LAC_RESERVED_DETACHED 0x0
1301 #define GSM_LAC_RESERVED_ALL_BTS 0xfffe
1302 
1303 /* GSM 04.08 Bearer Capability: Information Transfer Capability */
1304 enum gsm48_bcap_itcap {
1305  GSM48_BCAP_ITCAP_SPEECH = 0,
1306  GSM48_BCAP_ITCAP_UNR_DIG_INF = 1,
1307  GSM48_BCAP_ITCAP_3k1_AUDIO = 2,
1308  GSM48_BCAP_ITCAP_FAX_G3 = 3,
1309  GSM48_BCAP_ITCAP_OTHER = 5,
1310  GSM48_BCAP_ITCAP_RESERVED = 7,
1311 };
1312 
1313 /* GSM 04.08 Bearer Capability: Transfer Mode */
1314 enum gsm48_bcap_tmod {
1315  GSM48_BCAP_TMOD_CIRCUIT = 0,
1316  GSM48_BCAP_TMOD_PACKET = 1,
1317 };
1318 
1319 /* GSM 04.08 Bearer Capability: Coding Standard */
1320 enum gsm48_bcap_coding {
1321  GSM48_BCAP_CODING_GSM_STD = 0,
1322 };
1323 
1324 /* GSM 04.08 Bearer Capability: Radio Channel Requirements */
1325 enum gsm48_bcap_rrq {
1326  GSM48_BCAP_RRQ_FR_ONLY = 1,
1327  GSM48_BCAP_RRQ_DUAL_HR = 2,
1328  GSM48_BCAP_RRQ_DUAL_FR = 3,
1329 };
1330 
1331 /* GSM 04.08 Bearer Capability: Rate Adaption */
1332 enum gsm48_bcap_ra {
1333  GSM48_BCAP_RA_NONE = 0,
1334  GSM48_BCAP_RA_V110_X30 = 1,
1335  GSM48_BCAP_RA_X31 = 2,
1336  GSM48_BCAP_RA_OTHER = 3,
1337 };
1338 
1339 /* GSM 04.08 Bearer Capability: Signalling access protocol */
1340 enum gsm48_bcap_sig_access {
1341  GSM48_BCAP_SA_I440_I450 = 1,
1342  GSM48_BCAP_SA_X21 = 2,
1343  GSM48_BCAP_SA_X28_DP_IN = 3,
1344  GSM48_BCAP_SA_X28_DP_UN = 4,
1345  GSM48_BCAP_SA_X28_NDP = 5,
1346  GSM48_BCAP_SA_X32 = 6,
1347 };
1348 
1349 /* GSM 04.08 Bearer Capability: User Rate */
1350 enum gsm48_bcap_user_rate {
1351  GSM48_BCAP_UR_300 = 1,
1352  GSM48_BCAP_UR_1200 = 2,
1353  GSM48_BCAP_UR_2400 = 3,
1354  GSM48_BCAP_UR_4800 = 4,
1355  GSM48_BCAP_UR_9600 = 5,
1356  GSM48_BCAP_UR_12000 = 6,
1357  GSM48_BCAP_UR_1200_75 = 7,
1358 };
1359 
1360 /* GSM 04.08 Bearer Capability: Parity */
1361 enum gsm48_bcap_parity {
1362  GSM48_BCAP_PAR_ODD = 0,
1363  GSM48_BCAP_PAR_EVEN = 2,
1364  GSM48_BCAP_PAR_NONE = 3,
1365  GSM48_BCAP_PAR_ZERO = 4,
1366  GSM48_BCAP_PAR_ONE = 5,
1367 };
1368 
1369 /* GSM 04.08 Bearer Capability: Intermediate Rate */
1370 enum gsm48_bcap_interm_rate {
1371  GSM48_BCAP_IR_8k = 2,
1372  GSM48_BCAP_IR_16k = 3,
1373 };
1374 
1375 /* GSM 04.08 Bearer Capability: Transparency */
1376 enum gsm48_bcap_transp {
1377  GSM48_BCAP_TR_TRANSP = 0,
1378  GSM48_BCAP_TR_RLP = 1,
1379  GSM48_BCAP_TR_TR_PREF = 2,
1380  GSM48_BCAP_TR_RLP_PREF = 3,
1381 };
1382 
1383 /* GSM 04.08 Bearer Capability: Modem Type */
1384 enum gsm48_bcap_modem_type {
1385  GSM48_BCAP_MT_NONE = 0,
1386  GSM48_BCAP_MT_V21 = 1,
1387  GSM48_BCAP_MT_V22 = 2,
1388  GSM48_BCAP_MT_V22bis = 3,
1389  GSM48_BCAP_MT_V23 = 4,
1390  GSM48_BCAP_MT_V26ter = 5,
1391  GSM48_BCAP_MT_V32 = 6,
1392  GSM48_BCAP_MT_UNDEF = 7,
1393  GSM48_BCAP_MT_AUTO_1 = 8,
1394 };
1395 
1396 /* GSM 04.08 Bearer Capability: Speech Version Indication */
1397 enum gsm48_bcap_speech_ver {
1398  GSM48_BCAP_SV_FR = 0,
1399  GSM48_BCAP_SV_HR = 1,
1400  GSM48_BCAP_SV_EFR = 2,
1401  GSM48_BCAP_SV_AMR_F = 4,
1402  GSM48_BCAP_SV_AMR_H = 5,
1403 };
1404 
1405 #define GSM48_TMSI_LEN 5
1406 #define GSM48_MID_TMSI_LEN (GSM48_TMSI_LEN + 2)
1407 #define GSM48_MI_SIZE 32
1408 
1409 /* Chapter 10.4.4.15 */
1410 struct gsm48_ra_id {
1411  uint8_t digits[3]; /* MCC + MNC BCD digits */
1412  uint16_t lac; /* Location Area Code */
1413  uint8_t rac; /* Routing Area Code */
1414 } __attribute__ ((packed));
1415 
1416 #define GSM48_CELL_CHAN_DESC_SIZE 16
1417 
1418 #define GSM_MACBLOCK_LEN 23
1419 #define GSM_MACBLOCK_PADDING 0x2b
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