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MSWSP: fix dissect_mswsp_smb()
[wireshark-wip.git] / epan / dissectors / packet-gmr1_rr.c
blob215621b9b0a93b5c0125c4e12390375b713c26c2
1 /* packet-gmr1_rr.c
2 *
3 * Routines for GMR-1 Radio Resource dissection in wireshark.
4 * Copyright (c) 2011 Sylvain Munaut <tnt@246tNt.com>
5 *
6 * References:
7 * [1] ETSI TS 101 376-4-8 V1.3.1 - GMR-1 04.008
8 * [2] ETSI TS 101 376-4-8 V2.2.1 - GMPRS-1 04.008
9 * [3] ETSI TS 101 376-4-8 V3.1.1 - GMR-1 3G 44.008
10 * [4] ETSI TS 100 940 V7.21.0 - GSM 04.08
11 * [5] ETSI TS 101 376-4-12 V3.2.1 - GMR-1 3G 44.060
12 * [6] ETSI TS 101 376-5-6 V1.3.1 - GMR-1 05.008
13 *
14 * $Id$
15 *
16 * Wireshark - Network traffic analyzer
17 * By Gerald Combs <gerald@wireshark.org>
18 * Copyright 1998 Gerald Combs
19 *
20 * This program is free software; you can redistribute it and/or
21 * modify it under the terms of the GNU General Public License
22 * as published by the Free Software Foundation; either version 2
23 * of the License, or (at your option) any later version.
24 *
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
29 *
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
33 */
34
35 #include "config.h"
36
37 #include <glib.h>
38 #include <epan/packet.h>
39
40 #include "packet-gmr1_common.h"
41 #include "packet-gsm_sms.h"
42
43 /* GMR-1 RR and CCCH proto */
44 static int proto_gmr1_rr = -1;
45 static int proto_gmr1_ccch = -1;
46
47 /* Fallback CCCH sub tree */
48 static gint ett_msg_ccch = -1;
49
50 static gint ett_rr_pd = -1;
51
52 /* Handoffs */
53 static dissector_handle_t data_handle;
54
55
56
57 /* ------------------------------------------------------------------------ */
58 /* RR Information Elements */
59 /* ------------------------------------------------------------------------ */
60
61 enum gmr1_ie_rr_idx {
62 GMR1_IE_RR_CHAN_DESC = 0, /* [1] 11.5.2.5 */
63 GMR1_IE_RR_CHAN_MODE, /* [1] 11.5.2.6 */
64 GMR1_IE_RR_CIPH_MODE_SETTING, /* [4] 10.5.2.9 */
65 GMR1_IE_RR_CIPH_RESP, /* [4] 10.5.2.10 */
66 GMR1_IE_RR_L2_PSEUDO_LEN, /* [1] 11.5.2.19 */
67 GMR1_IE_RR_PAGE_MODE, /* [1] 11.5.2.26 */
68 GMR1_IE_RR_REQ_REF, /* [1] 11.5.2.30 */
69 GMR1_IE_RR_CAUSE, /* [1] 11.5.2.31 */
70 GMR1_IE_RR_TIMING_OFS, /* [1] 11.5.2.40 */
71 GMR1_IE_RR_TMSI_PTMSI, /* [4] 10.5.2.42 */
72 GMR1_IE_RR_WAIT_IND, /* [4] 10.5.2.43 */
73 GMR1_IE_RR_MES_INFO_FLG, /* [1] 11.5.2.44 */
74 GMR1_IE_RR_FREQ_OFS, /* [1] 11.5.2.49 */
75 GMR1_IE_RR_PAGE_INFO, /* [1] 11.5.2.51 */
76 GMR1_IE_RR_POS_DISPLAY, /* [1] 11.5.2.52 */
77 GMR1_IE_RR_POS_UPD_INFO, /* [1] 11.5.2.54 */
78 GMR1_IE_RR_BCCH_CARRIER, /* [1] 11.5.2.55 */
79 GMR1_IE_RR_REJECT_CAUSE, /* [1] 11.5.2.56 */
80 GMR1_IE_RR_GPS_TIMESTAMP, /* [1] 11.5.2.57 */
81 GMR1_IE_RR_PWR_CTRL_PRM, /* [1] 11.5.2.60 */
82 GMR1_IE_RR_TMSI_AVAIL_MSK, /* [1] 11.5.2.62 */
83 GMR1_IE_RR_GPS_ALMANAC, /* [1] 11.5.2.63 */
84 GMR1_IE_RR_MSC_ID, /* [1] 11.5.2.100 */
85 GMR1_IE_RR_GPS_DISCR, /* [1] 11.5.2.101 */
86 GMR1_IE_RR_PKT_IMM_ASS_3_PRM, /* [3] 11.5.2.105 */
87 GMR1_IE_RR_PKT_FREQ_PRM, /* [3] 11.5.2.106 */
88 GMR1_IE_RR_PKT_IMM_ASS_2_PRM, /* [3] 11.5.2.107 */
89 GMR1_IE_RR_USF, /* [3] 11.5.2.110 */
90 GMR1_IE_RR_TIMING_ADV_IDX, /* [3] 10.1.18.3.4 */
91 GMR1_IE_RR_TLLI, /* [5] 12.16 */
92 GMR1_IE_RR_PKT_PWR_CTRL_PRM, /* [3] 10.1.18.3.3 */
93 GMR1_IE_RR_PERSISTENCE_LVL, /* [3] 10.1.18.4.2 */
94 NUM_GMR1_IE_RR /* Terminator */
95 };
96
97 static const value_string gmr1_ie_rr_strings[] = {
98 { GMR1_IE_RR_CHAN_DESC,
99 "Channel Description" }, /* [1] 11.5.2.5 */
100 { GMR1_IE_RR_CHAN_MODE,
101 "Channel Mode" }, /* [1] 11.5.2.6 */
102 { GMR1_IE_RR_CIPH_MODE_SETTING,
103 "Cipher Mode Setting" }, /* [4] 10.5.2.9 */
104 { GMR1_IE_RR_CIPH_RESP,
105 "Cipher Response" }, /* [4] 10.5.2.10 */
106 { GMR1_IE_RR_L2_PSEUDO_LEN,
107 "L2 Pseudo Length" }, /* [1] 11.5.2.19 */
108 { GMR1_IE_RR_PAGE_MODE,
109 "Page Mode" }, /* [1] 11.5.2.26 */
110 { GMR1_IE_RR_REQ_REF,
111 "Request Reference" }, /* [1] 11.5.2.30 */
112 { GMR1_IE_RR_CAUSE,
113 "RR Cause" }, /* [1] 11.5.2.31 */
114 { GMR1_IE_RR_TIMING_OFS,
115 "Timing Offset" }, /* [1] 11.5.2.40 */
116 { GMR1_IE_RR_TMSI_PTMSI,
117 "TMSI/P-TMSI" }, /* [4] 10.5.2.42 */
118 { GMR1_IE_RR_WAIT_IND,
119 "Wait Indication" }, /* [4] 10.5.2.43 */
120 { GMR1_IE_RR_MES_INFO_FLG,
121 "MES Information Flag" }, /* [1] 11.5.2.44 */
122 { GMR1_IE_RR_FREQ_OFS,
123 "Frequency Offset" }, /* [1] 11.5.2.49 */
124 { GMR1_IE_RR_PAGE_INFO,
125 "Paging Information" }, /* [1] 11.5.2.51 */
126 { GMR1_IE_RR_POS_DISPLAY,
127 "Position Display" }, /* [1] 11.5.2.52 */
128 { GMR1_IE_RR_POS_UPD_INFO,
129 "Position Update Information" }, /* [1] 11.5.2.54 */
130 { GMR1_IE_RR_BCCH_CARRIER,
131 "BCCH Carrier Specification"}, /* [1] 11.5.2.55 */
132 { GMR1_IE_RR_REJECT_CAUSE,
133 "Reject Cause" }, /* [1] 11.5.2.56 */
134 { GMR1_IE_RR_GPS_TIMESTAMP,
135 "GPS timestamp" }, /* [1] 11.5.2.57 */
136 { GMR1_IE_RR_PWR_CTRL_PRM,
137 "Power Control Params" }, /* [1] 11.5.2.60 */
138 { GMR1_IE_RR_TMSI_AVAIL_MSK,
139 "TMSI Availability Mask" }, /* [1] 11.5.2.62 */
140 { GMR1_IE_RR_GPS_ALMANAC,
141 "GPS Almanac Data" }, /* [1] 11.5.2.63 */
142 { GMR1_IE_RR_MSC_ID,
143 "MSC ID" }, /* [1] 11.5.2.100 */
144 { GMR1_IE_RR_GPS_DISCR,
145 "GPS Discriminator" }, /* [1] 11.5.2.101 */
146 { GMR1_IE_RR_PKT_IMM_ASS_3_PRM,
147 "Packet Imm. Ass. Type 3 Params" }, /* [3] 11.5.2.105 */
148 { GMR1_IE_RR_PKT_FREQ_PRM,
149 "Packet Frequency Parameters" }, /* [3] 11.5.2.106 */
150 { GMR1_IE_RR_PKT_IMM_ASS_2_PRM,
151 "Packet Imm. Ass. Type 2 Params" }, /* [3] 11.5.2.107 */
152 { GMR1_IE_RR_USF,
153 "USF" }, /* [3] 11.5.2.110 */
154 { GMR1_IE_RR_TIMING_ADV_IDX,
155 "Timing Advance Index" }, /* [3] 10.1.18.3.4 */
156 { GMR1_IE_RR_TLLI,
157 "TLLI" }, /* [5] 12.16 */
158 { GMR1_IE_RR_PKT_PWR_CTRL_PRM,
159 "Packet Power Control Params" }, /* [3] 10.1.18.3.3 */
160 { GMR1_IE_RR_PERSISTENCE_LVL,
161 "Persistence Level" }, /* [3] 10.1.18.4.2 */
162 { 0, NULL },
163 };
164 value_string_ext gmr1_ie_rr_strings_ext = VALUE_STRING_EXT_INIT(gmr1_ie_rr_strings);
165
166 gint ett_gmr1_ie_rr[NUM_GMR1_IE_RR];
167
168
169 /* Fields */
170 static int hf_rr_msg_type = -1;
171 static int hf_rr_chan_desc_kab_loc = -1;
172 static int hf_rr_chan_desc_rx_tn = -1;
173 static int hf_rr_chan_desc_arfcn = -1;
174 static int hf_rr_chan_desc_tx_tn = -1;
175 static int hf_rr_chan_desc_chan_type = -1;
176 static int hf_rr_chan_mode = -1;
177 static int hf_rr_ciph_mode_setting_sc = -1;
178 static int hf_rr_ciph_mode_setting_algo = -1;
179 static int hf_rr_ciph_resp_cr = -1;
180 static int hf_rr_ciph_resp_spare = -1;
181 static int hf_rr_l2_pseudo_len = -1;
182 static int hf_rr_page_mode = -1;
183 static int hf_rr_page_mode_spare = -1;
184 static int hf_rr_req_ref_est_cause = -1;
185 static int hf_rr_req_ref_ra = -1;
186 static int hf_rr_req_ref_fn = -1;
187 static int hf_rr_cause = -1;
188 static int hf_rr_timing_ofs_ti = -1;
189 static int hf_rr_timing_ofs_value = -1;
190 static int hf_rr_tmsi_ptmsi = -1;
191 static int hf_rr_wait_ind_timeout = -1;
192 static int hf_rr_mif_mes1_ab = -1;
193 static int hf_rr_mif_mes1_i = -1;
194 static int hf_rr_mif_mes1_d = -1;
195 static int hf_rr_mif_mes2 = -1;
196 static int hf_rr_mif_mes3 = -1;
197 static int hf_rr_mif_mes4 = -1;
198 static int hf_rr_mif_pv = -1;
199 static int hf_rr_freq_ofs_fi = -1;
200 static int hf_rr_freq_ofs_value = -1;
201 static int hf_rr_freq_ofs_spare = -1;
202 static int hf_rr_page_info_msc_id = -1;
203 static int hf_rr_page_info_chan_needed = -1;
204 static int hf_rr_pos_display_flag = -1;
205 static int hf_rr_pos_display_text = -1;
206 static int hf_rr_pos_upd_info_v = -1;
207 static int hf_rr_pos_upd_info_dist = -1;
208 static int hf_rr_pos_upd_info_time = -1;
209 static int hf_rr_bcch_carrier_arfcn = -1;
210 static int hf_rr_bcch_carrier_si = -1;
211 static int hf_rr_bcch_carrier_ri = -1;
212 static int hf_rr_bcch_carrier_spare = -1;
213 static int hf_rr_reject_cause = -1;
214 static int hf_rr_reject_cause_b = -1;
215 static int hf_rr_gps_timestamp = -1;
216 static int hf_rr_tmsi_avail_msk_tmsi[4] = { -1, -1, -1, -1 };
217 static int hf_rr_gps_almanac_pn = -1;
218 static int hf_rr_gps_almanac_wn = -1;
219 static int hf_rr_gps_almanac_word = -1;
220 static int hf_rr_gps_almanac_sfn = -1;
221 static int hf_rr_gps_almanac_co = -1;
222 static int hf_rr_gps_almanac_spare = -1;
223 static int hf_rr_msc_id = -1;
224 static int hf_rr_msc_id_spare = -1;
225 static int hf_rr_gps_discr = -1;
226 static int hf_rr_pkt_imm_ass_3_prm_rlc_mode = -1;
227 static int hf_rr_pkt_imm_ass_3_prm_spare = -1;
228 static int hf_rr_pkt_imm_ass_3_prm_dl_tfi = -1;
229 static int hf_rr_pkt_imm_ass_3_prm_start_fn = -1;
230 static int hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc = -1;
231 static int hf_rr_pkt_freq_prm_arfcn = -1;
232 static int hf_rr_pkt_freq_prm_dl_freq_plan_id = -1;
233 static int hf_rr_pkt_freq_prm_dl_bw = -1;
234 static int hf_rr_pkt_freq_prm_ul_freq_dist = -1;
235 static int hf_rr_pkt_freq_prm_ul_bw = -1;
236 static int hf_rr_pkt_freq_prm_spare = -1;
237 static int hf_rr_pkt_imm_ass_2_prm_ac_spare1 = -1;
238 static int hf_rr_pkt_imm_ass_2_prm_ac_final_alloc = -1;
239 static int hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity = -1;
240 static int hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot = -1;
241 static int hf_rr_pkt_imm_ass_2_prm_ac_mac_mode = -1;
242 static int hf_rr_pkt_imm_ass_2_prm_ac_start_fn = -1;
243 static int hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt = -1;
244 static int hf_rr_pkt_imm_ass_2_prm_ac_mcs = -1;
245 static int hf_rr_pkt_imm_ass_2_prm_ac_tfi = -1;
246 static int hf_rr_pkt_imm_ass_2_prm_ac_spare2 = -1;
247 static int hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc = -1;
248 static int hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd = -1;
249 static int hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512 = -1;
250 static int hf_rr_pkt_imm_ass_2_prm_d_spare1 = -1;
251 static int hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt = -1;
252 static int hf_rr_pkt_imm_ass_2_prm_d_spare2 = -1;
253 static int hf_rr_pkt_imm_ass_2_prm_d_tfi = -1;
254 static int hf_rr_pkt_imm_ass_2_prm_d_usf_granularity = -1;
255 static int hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc = -1;
256 static int hf_rr_usf_value = -1;
257 static int hf_rr_usf_spare = -1;
258 static int hf_rr_timing_adv_idx_value = -1;
259 static int hf_rr_timing_adv_idx_spare = -1;
260 static int hf_rr_tlli = -1;
261 static int hf_rr_pkt_pwr_ctrl_prm_par = -1;
262 static int hf_rr_pkt_pwr_ctrl_prm_spare = -1;
263 static int hf_rr_persistence_lvl[4] = { -1, -1, -1, -1 };
264
265
266 /* Generic display vals/func */
267 static const value_string rr_gen_ie_presence_vals[] = {
268 { 0, "IE is absent" },
269 { 1, "IE is present" },
270 { 0, NULL }
271 };
272
273 static void
274 rr_gen_ie_seconds_fmt(gchar *s, guint32 v)
275 {
276 g_snprintf(s, ITEM_LABEL_LENGTH, "%u seconds", v);
277 }
278
279
280
281 /* [1] 11.5.2.5 - Channel Description */
282 static const value_string rr_chan_desc_chan_type_vals[] = {
283 { 1, "TCH3 No offset" },
284 { 3, "TCH3 1/2 symbol offset" },
285 { 6, "TCH6 No offset" },
286 { 7, "TCH6 1/2 symbol offset" },
287 { 4, "TCH9 No offset" },
288 { 5, "TCH9 1/2 symbol offset" },
289 { 13, "Reserved for SDCCH frames xx00" },
290 { 14, "Reserved for SDCCH frames xx01" },
291 { 15, "Reserved for SDCCH frames xx10" },
292 { 16, "Reserved for SDCCH frames xx11" },
293 { 0, NULL }
294 };
295
296 GMR1_IE_FUNC(gmr1_ie_rr_chan_desc)
297 {
298 gint bit_offset;
299
300 bit_offset = offset << 3;
301
302 /* KAB Location (6 bits)*/
303 proto_tree_add_bits_item(tree, hf_rr_chan_desc_kab_loc, tvb,
304 bit_offset, 6, ENC_BIG_ENDIAN);
305 bit_offset += 6;
306
307 /* RX Timeslot (5 bits) */
308 proto_tree_add_bits_item(tree, hf_rr_chan_desc_rx_tn, tvb,
309 bit_offset, 5, ENC_BIG_ENDIAN);
310 bit_offset += 5;
311
312 /* ARFCN (11 bits) */
313 proto_tree_add_bits_item(tree, hf_rr_chan_desc_arfcn, tvb,
314 bit_offset, 11, ENC_BIG_ENDIAN);
315 bit_offset += 11;
316
317 /* TX Timeslot (5 bits) */
318 proto_tree_add_bits_item(tree, hf_rr_chan_desc_tx_tn, tvb,
319 bit_offset, 5, ENC_BIG_ENDIAN);
320 bit_offset += 5;
321
322 /* Channel Type (5 bits) */
323 proto_tree_add_bits_item(tree, hf_rr_chan_desc_chan_type, tvb,
324 bit_offset, 5, ENC_BIG_ENDIAN);
325 /*bit_offset += 5;*/
326
327 return 4;
328 }
329
330 /* [1] 11.5.2.6 - Channel Mode */
331 static const value_string rr_chan_mode_vals[] = {
332 { 0x00, "Signalling only" },
333 { 0x01, "Speech" },
334 { 0x03, "Data, 12,0 kbit/s radio I/F rate" },
335 { 0x0b, "Data, 6,0 kbit/s radio I/F rate" },
336 { 0x13, "Data, 3,6 kbit/s radio I/F rate" },
337 { 0, NULL }
338 };
339
340 GMR1_IE_FUNC(gmr1_ie_rr_chan_mode)
341 {
342 /* Channel Mode */
343 proto_tree_add_item(tree, hf_rr_chan_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
344
345 return 1;
346 }
347
348 /* [4] 10.5.2.9 - Cipher Mode Setting */
349 static const value_string rr_ciph_mode_setting_sc_vals[] = {
350 { 0, "No ciphering"},
351 { 1, "Start ciphering"},
352 { 0, NULL }
353 };
354
355 static const value_string rr_ciph_mode_setting_algo_vals[] = {
356 { 0, "A5/1" },
357 { 1, "A5/2" },
358 { 2, "A5/3" },
359 { 3, "A5/4" },
360 { 4, "A5/5" },
361 { 5, "A5/6" },
362 { 6, "A5/7" },
363 { 7, "Reverved" },
364 { 0, NULL }
365 };
366
367 GMR1_IE_FUNC(gmr1_ie_rr_ciph_mode_setting)
368 {
369 /* SC */
370 proto_tree_add_item(tree, hf_rr_ciph_mode_setting_sc, tvb, offset, 1, ENC_BIG_ENDIAN);
371
372 /* Algo */
373 proto_tree_add_item(tree, hf_rr_ciph_mode_setting_algo, tvb, offset, 1, ENC_BIG_ENDIAN);
374
375 return 1;
376 }
377
378 /* [4] 10.5.2.10 - Cipher Response */
379 static const value_string rr_ciph_resp_cr_vals[] = {
380 { 0, "IMEISV shall not be included"},
381 { 1, "IMEISV shall be included"},
382 { 0, NULL }
383 };
384
385 GMR1_IE_FUNC(gmr1_ie_rr_ciph_resp)
386 {
387 /* CR */
388 proto_tree_add_item(tree, hf_rr_ciph_resp_cr, tvb, offset, 1, ENC_BIG_ENDIAN);
389
390 /* Spare */
391 proto_tree_add_item(tree, hf_rr_ciph_resp_spare, tvb, offset, 1, ENC_BIG_ENDIAN);
392
393 return 1;
394 }
395
396 /* [1] 11.5.2.19 - L2 Pseudo Length */
397 GMR1_IE_FUNC(gmr1_ie_rr_l2_pseudo_len)
398 {
399 /* L2 Pseudo Length value */
400 proto_tree_add_item(tree, hf_rr_l2_pseudo_len, tvb, offset, 1, ENC_BIG_ENDIAN);
401
402 return 1;
403 }
404
405 /* [1] 11.5.2.26 - Page Mode */
406 static const value_string rr_page_mode_vals[] = {
407 { 0, "Normal Paging" },
408 { 1, "Reserved (Changed from Extended Paging in GSM)" },
409 { 2, "Paging Reorganization" },
410 { 3, "Same as before" },
411 { 0, NULL }
412 };
413
414 GMR1_IE_FUNC(gmr1_ie_rr_page_mode)
415 {
416 /* Page mode */
417 proto_tree_add_item(tree, hf_rr_page_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
418
419 /* Spare */
420 proto_tree_add_item(tree, hf_rr_page_mode_spare, tvb, offset, 1, ENC_BIG_ENDIAN);
421
422 return 1;
423 }
424
425 /* [1] 11.5.2.30 - Request Reference */
426 static const value_string rr_req_ref_est_cause_vals[] = {
427 { 0, "MO call" },
428 { 1, "In response to paging/alerting" },
429 { 2, "Location update/IMSI detach" },
430 { 3, "Emergency call" },
431 { 4, "Supplementary/short message service" },
432 { 5, "Position verification" },
433 { 6, "Any other valid cause" },
434 { 7, "Reserved" },
435 { 0, NULL }
436 };
437
438 GMR1_IE_FUNC(gmr1_ie_rr_req_ref)
439 {
440 /* Establishement Cause + RA */
441 proto_tree_add_item(tree, hf_rr_req_ref_est_cause, tvb, offset, 1, ENC_BIG_ENDIAN);
442 proto_tree_add_item(tree, hf_rr_req_ref_ra, tvb, offset, 1, ENC_BIG_ENDIAN);
443 offset++;
444
445 /* Frame number % 256 */
446 proto_tree_add_item(tree, hf_rr_req_ref_fn, tvb, offset, 1, ENC_BIG_ENDIAN);
447
448 return 2;
449 }
450
451 /* [1] 11.5.2.31 - RR Cause */
452 static const value_string rr_cause_vals[] = {
453 { 0x00, "Normal event" },
454 { 0x01, "Abnormal release, unspecified" },
455 { 0x02, "Abnormal release, channel unacceptable" },
456 { 0x03, "Abnormal release, timer expired" },
457 { 0x04, "Abnormal release, no activity on the radio path" },
458 { 0x05, "Preemptive release" },
459 { 0x09, "Channel mode unacceptable" },
460 { 0x0a, "Frequency not implemented" },
461 { 0x0b, "Position unacceptable" },
462 { 0x41, "Call already cleared" },
463 { 0x5f, "Semantically incorrect message" },
464 { 0x60, "Invalid mandatory information" },
465 { 0x61, "Message type nonexistent or not implemented" },
466 { 0x62, "Message type not compatible with protocol state" },
467 { 0x6f, "Protocol error unspecified" },
468 { 0, NULL }
469 };
470
471 GMR1_IE_FUNC(gmr1_ie_rr_cause)
472 {
473 /* RR Cause */
474 proto_tree_add_item(tree, hf_rr_cause, tvb, offset, 1, ENC_BIG_ENDIAN);
475
476 return 1;
477 }
478
479 /* [1] 11.5.2.40 - Timing Offset */
480 static const value_string rr_timing_ofs_ti_vals[] = {
481 { 0, "The timing offset parameter in this IE to be ignored" },
482 { 1, "The timing offset parameter has a valid value" },
483 { 0, NULL }
484 };
485
486 static void
487 rr_timing_ofs_value_fmt(gchar *s, guint32 v)
488 {
489 gint32 sv = (signed)v;
490
491 g_snprintf(s, ITEM_LABEL_LENGTH, "%.3f symbols ( ~ %.3f ms )",
492 sv / 40.0f, (sv / 40.0f) * (10.0f / 234.0f));
493 }
494
495 GMR1_IE_FUNC(gmr1_ie_rr_timing_ofs)
496 {
497 gint bit_offset;
498
499 bit_offset = offset << 3;
500
501 /* TI */
502 proto_tree_add_bits_item(tree, hf_rr_timing_ofs_ti, tvb,
503 bit_offset, 1, ENC_BIG_ENDIAN);
504 bit_offset++;
505
506 /* Value */
507 proto_tree_add_bits_item(tree, hf_rr_timing_ofs_value, tvb,
508 bit_offset, 15, ENC_BIG_ENDIAN);
509 /*bit_offset += 15;*/
510
511 return 2;
512 }
513
514 /* [4] 10.5.2.42 - TMSI/P-TMSI */
515 GMR1_IE_FUNC(gmr1_ie_rr_tmsi_ptmsi)
516 {
517 /* TMSI/P-TMSI value as hex */
518 proto_tree_add_item(tree, hf_rr_tmsi_ptmsi, tvb, offset, 4, ENC_BIG_ENDIAN);
519
520 return 4;
521 }
522
523 /* [4] 10.5.2.43 - Wait Indication */
524 GMR1_IE_FUNC(gmr1_ie_rr_wait_ind)
525 {
526 /* Timeout value */
527 proto_tree_add_item(tree, hf_rr_wait_ind_timeout, tvb, offset, 1, ENC_BIG_ENDIAN);
528
529 return 1;
530 }
531
532 /* [1] 11.5.2.44 - MES Information Flag */
533 static const value_string rr_mif_mes1_ab_vals[] = {
534 { 0, "Chan. Assigned: MES1 registered at selected GS" },
535 { 1, "Chan. Assigned: MES1 requires registration at selected GS" },
536 { 2, "Chan. Assigned; MES 1 Extended Channel Req. Reqd" },
537 { 3, "Pause Timer Indication" },
538 { 0, NULL }
539 };
540
541 static const value_string rr_mif_mes234_vals[] = {
542 { 0, "MES doesn't exists" },
543 { 1, "Pause Timer Ind for this MES" },
544 { 0, NULL }
545 };
546
547 static const value_string rr_mif_pv_vals[] = {
548 { 0, "Position Verification not requested" },
549 { 1, "MES1 shall send a Channel Request for Position Verification following the completion of the upcoming call" },
550 { 0, NULL }
551 };
552
553 GMR1_IE_FUNC(gmr1_ie_rr_mes_info_flg)
554 {
555 proto_tree_add_item(tree, hf_rr_mif_mes1_ab,
556 tvb, offset, 1, ENC_BIG_ENDIAN);
557
558 proto_tree_add_item(tree, hf_rr_mif_mes1_i,
559 tvb, offset, 1, ENC_BIG_ENDIAN);
560
561 proto_tree_add_item(tree, hf_rr_mif_mes1_d,
562 tvb, offset, 1, ENC_BIG_ENDIAN);
563
564 proto_tree_add_item(tree, hf_rr_mif_mes2,
565 tvb, offset, 1, ENC_BIG_ENDIAN);
566
567 proto_tree_add_item(tree, hf_rr_mif_mes3,
568 tvb, offset, 1, ENC_BIG_ENDIAN);
569
570 proto_tree_add_item(tree, hf_rr_mif_mes4,
571 tvb, offset, 1, ENC_BIG_ENDIAN);
572
573 proto_tree_add_item(tree, hf_rr_mif_pv,
574 tvb, offset, 1, ENC_BIG_ENDIAN);
575
576 return 1;
577 }
578
579 /* [1] 11.5.2.49 - Frequency Offset */
580 static const value_string rr_freq_ofs_fi_vals[] = {
581 { 0, "The frequency offset parameter in this IE to be ignored" },
582 { 1, "The frequency offset parameter has a valid value" },
583 { 0, NULL }
584 };
585
586 static void
587 rr_freq_ofs_value_fmt(gchar *s, guint32 v)
588 {
589 gint32 sv = (signed)v;
590
591 g_snprintf(s, ITEM_LABEL_LENGTH, "%d Hz", sv);
592 }
593
594 GMR1_IE_FUNC(gmr1_ie_rr_freq_ofs)
595 {
596 gint bit_offset;
597
598 bit_offset = offset << 3;
599
600 /* FI */
601 proto_tree_add_bits_item(tree, hf_rr_freq_ofs_fi, tvb,
602 bit_offset, 1, ENC_BIG_ENDIAN);
603 bit_offset++;
604
605 /* Value */
606 proto_tree_add_bits_item(tree, hf_rr_freq_ofs_value, tvb,
607 bit_offset, 12, ENC_BIG_ENDIAN);
608 bit_offset += 12;
609
610 /* Spare */
611 proto_tree_add_bits_item(tree, hf_rr_freq_ofs_spare, tvb,
612 bit_offset, 3, ENC_BIG_ENDIAN);
613 /*bit_offset += 3;*/
614
615 return 2;
616 }
617
618 /* [1] 11.5.2.51 - Paging Information */
619 static const value_string rr_page_info_chan_needed_vals[] = {
620 { 0, "Any" },
621 { 1, "SDCCH" },
622 { 2, "TCH3" },
623 { 3, "PDCCH" },
624 { 0, NULL }
625 };
626
627 GMR1_IE_FUNC(gmr1_ie_rr_page_info)
628 {
629 /* MSC ID & Channe needed */
630 proto_tree_add_item(tree, hf_rr_page_info_msc_id,
631 tvb, offset, 1, ENC_BIG_ENDIAN);
632 proto_tree_add_item(tree, hf_rr_page_info_chan_needed,
633 tvb, offset, 1, ENC_BIG_ENDIAN);
634
635 return 1;
636 }
637
638 /* [1] 11.5.2.52 - Position Display */
639 static const value_string rr_pos_display_flag_vals[] = {
640 { 0, "Position not available" },
641 { 1, "No position display service" },
642 { 2, "Use default 7-bit alphabet (GSM 03.38)" },
643 { 0, NULL }
644 };
645
646 GMR1_IE_FUNC(gmr1_ie_rr_pos_display)
647 {
648 const unsigned char *txt_raw;
649 unsigned char txt_packed[11], txt_unpacked[12];
650 int out_len, i;
651
652 /* Flag */
653 proto_tree_add_item(tree, hf_rr_pos_display_flag,
654 tvb, offset, 1, ENC_BIG_ENDIAN);
655
656 /* Unpack text */
657 txt_raw = tvb_get_ptr(tvb, offset, 11);
658
659 for (i=0; i<10; i++)
660 txt_packed[i] = (txt_raw[i] << 4) | (txt_raw[i+1] >> 4);
661 txt_packed[10] = txt_raw[10];
662
663 out_len = gsm_sms_char_7bit_unpack(0, 11, 12, txt_packed, txt_unpacked);
664
665 /* Display it */
666 proto_tree_add_unicode_string(tree, hf_rr_pos_display_text,
667 tvb, offset, 11, gsm_sms_chars_to_utf8(txt_unpacked, out_len));
668
669 return 11;
670 }
671
672 /* [1] 11.5.2.54 - Position Update Information */
673 static const value_string rr_pos_upd_info_v_vals[] = {
674 { 0, "Information in this IE is Invalid and should be ignored" },
675 { 1, "Information in this IE is Valid" },
676 { 0, NULL }
677 };
678
679 static void
680 rr_pos_upd_info_dist_fmt(gchar *s, guint32 v)
681 {
682 g_snprintf(s, ITEM_LABEL_LENGTH, "%d km", v);
683 }
684
685 static void
686 rr_pos_upd_info_time_fmt(gchar *s, guint32 v)
687 {
688 g_snprintf(s, ITEM_LABEL_LENGTH, "%d minutes", v);
689 }
690
691 GMR1_IE_FUNC(gmr1_ie_rr_pos_upd_info)
692 {
693 gint curr_offset = offset;
694
695 /* Valid & GPS Update Distance */
696 proto_tree_add_item(tree, hf_rr_pos_upd_info_v,
697 tvb, curr_offset, 1, ENC_BIG_ENDIAN);
698 proto_tree_add_item(tree, hf_rr_pos_upd_info_dist,
699 tvb, curr_offset, 1, ENC_BIG_ENDIAN);
700 curr_offset++;
701
702 /* GPS Update Timer */
703 proto_tree_add_item(tree, hf_rr_pos_upd_info_time,
704 tvb, curr_offset, 1, ENC_BIG_ENDIAN);
705 curr_offset++;
706
707 return 2;
708 }
709
710 /* [1] 11.5.2.55 - BCCH Carrier */
711 static const value_string rr_bcch_carrier_si_vals[] = {
712 { 0, "BCCH carrier is on the same satellite" },
713 { 1, "BCCH carrier is on a different satellite" },
714 { 0, NULL }
715 };
716
717 static const value_string rr_bcch_carrier_ri_vals[] = {
718 { 0, "Spot beam reselection not needed; use the spot beam with given BCCH" },
719 { 1, "Spot beam reselection needed; use the BCCH for spot beam reselection" },
720 { 0, NULL }
721 };
722
723 GMR1_IE_FUNC(gmr1_ie_rr_bcch_carrier)
724 {
725 gint bit_offset;
726
727 bit_offset = offset << 3;
728
729 /* ARFCN */
730 proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_arfcn,
731 tvb, bit_offset, 11, ENC_BIG_ENDIAN);
732 bit_offset += 11;
733
734 /* Sat ind */
735 proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_si,
736 tvb, bit_offset, 1, ENC_BIG_ENDIAN);
737 bit_offset++;
738
739 /* Resel ind */
740 proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_ri,
741 tvb, bit_offset, 1, ENC_BIG_ENDIAN);
742 bit_offset++;
743
744 /* Spare */
745 proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_spare,
746 tvb, bit_offset, 3, ENC_BIG_ENDIAN);
747 /*bit_offset += 3;*/
748
749 return 2;
750 }
751
752 /* [1] 11.5.2.56 - Reject Cause */
753 static const value_string rr_reject_cause_vals[] = {
754 { 0x00, "Lack of resources (default)" },
755 { 0x11, "Invalid position for selected LAI" },
756 { 0x12, "Invalid position for selected spot beam" },
757 { 0x13, "Invalid position" },
758 { 0x15, "Position too old" },
759 { 0x16, "Invalid position for service provider" },
760 { 0x17, "Redirect to new satellite" },
761 { 0x3f, "Reported position acceptable" },
762 { 0, NULL }
763 };
764
765 GMR1_IE_FUNC(gmr1_ie_rr_reject_cause)
766 {
767 /* Cause */
768 proto_tree_add_item(tree, hf_rr_reject_cause,
769 tvb, offset, 1, ENC_BIG_ENDIAN);
770
771 /* BCCH carrier */
772 proto_tree_add_item(tree, hf_rr_reject_cause_b,
773 tvb, offset, 1, ENC_BIG_ENDIAN);
774
775 return 1;
776 }
777
778 /* [1] 11.5.2.57 - GPS timestamp */
779 static void
780 rr_gps_timestamp_fmt(gchar *s, guint32 v)
781 {
782 if (v == 0xffff)
783 g_snprintf(s, ITEM_LABEL_LENGTH, "> 65535 minutes or N/A");
784 else
785 g_snprintf(s, ITEM_LABEL_LENGTH, "%d minutes", v);
786 }
787
788 GMR1_IE_FUNC(gmr1_ie_rr_gps_timestamp)
789 {
790 /* GPS timestamp */
791 proto_tree_add_item(tree, hf_rr_gps_timestamp,
792 tvb, offset, 2, ENC_BIG_ENDIAN);
793
794 return 2;
795 }
796
797 /* [1] 11.5.2.60 - Power Control Params */
798 GMR1_IE_FUNC(gmr1_ie_rr_pwr_ctrl_prm)
799 {
800 /* It's CSN1 encoded and we have no real world sample. Until we do,
801 * we don't pollute the code with a bunch of untested stuff ... */
802
803 proto_tree_add_text(tree, tvb, offset, 5, "Power Control Parameters");
804
805 return 5;
806 }
807
808 /* [1] 11.5.2.62 - Availability Mask */
809 GMR1_IE_FUNC(gmr1_ie_rr_tmsi_avail_msk)
810 {
811 int i;
812
813 for (i=0; i<4; i++)
814 proto_tree_add_item(tree, hf_rr_tmsi_avail_msk_tmsi[i],
815 tvb, offset, 1, ENC_BIG_ENDIAN);
816
817 return 1;
818 }
819
820 /* [1] 11.5.2.63 - GPS Almanac Data */
821 static void
822 rr_gps_almanac_pn_fmt(gchar *s, guint32 v)
823 {
824 g_snprintf(s, ITEM_LABEL_LENGTH, "%d", v+1);
825 }
826
827 static const value_string rr_gps_almanac_sfn_vals[] = {
828 { 0, "Frame 4" },
829 { 1, "Frame 5" },
830 { 0, NULL }
831 };
832
833
834 GMR1_IE_FUNC(gmr1_ie_rr_gps_almanac)
835 {
836 gint curr_offset = offset;
837
838 /* Page Number & Word Number */
839 proto_tree_add_item(tree, hf_rr_gps_almanac_pn,
840 tvb, curr_offset, 1, ENC_BIG_ENDIAN);
841 proto_tree_add_item(tree, hf_rr_gps_almanac_wn,
842 tvb, curr_offset, 1, ENC_BIG_ENDIAN);
843 curr_offset++;
844
845 /* Almanac Data */
846 proto_tree_add_item(tree, hf_rr_gps_almanac_word,
847 tvb, curr_offset, 3, ENC_BIG_ENDIAN);
848 curr_offset += 3;
849
850 /* SubFrame Number & CO & Spare */
851 proto_tree_add_item(tree, hf_rr_gps_almanac_sfn,
852 tvb, curr_offset, 1, ENC_BIG_ENDIAN);
853 proto_tree_add_item(tree, hf_rr_gps_almanac_co,
854 tvb, curr_offset, 1, ENC_BIG_ENDIAN);
855 proto_tree_add_item(tree, hf_rr_gps_almanac_spare,
856 tvb, curr_offset, 1, ENC_BIG_ENDIAN);
857 curr_offset++;
858
859 return 5;
860 }
861
862 /* [1] 11.5.2.100 - MSC ID */
863 GMR1_IE_FUNC(gmr1_ie_rr_msc_id)
864 {
865 /* MSC ID */
866 proto_tree_add_item(tree, hf_rr_msc_id,
867 tvb, offset, 1, ENC_BIG_ENDIAN);
868
869 /* Spare bits */
870 proto_tree_add_item(tree, hf_rr_msc_id_spare,
871 tvb, offset, 1, ENC_BIG_ENDIAN);
872
873 return 1;
874 }
875
876 /* [1] 11.5.2.101 - GPS Discriminator */
877 GMR1_IE_FUNC(gmr1_ie_rr_gps_discr)
878 {
879 /* GPS Position CRC value */
880 proto_tree_add_item(tree, hf_rr_gps_discr, tvb, offset, 2, ENC_BIG_ENDIAN);
881
882 return 2;
883 }
884
885 /* [3] 11.5.2.105 - Packet Imm. Ass. Type 3 Params */
886 static const value_string rr_pkt_imm_ass_3_prm_rlc_mode_vals[] = {
887 { 0, "RLC acknowledged mode" },
888 { 1, "RLC unacknowledged mode" },
889 { 0, NULL }
890 };
891
892 static const crumb_spec_t rr_pkt_imm_ass_3_prm_dl_tfi_crumbs[] = {
893 { 0, 3 },
894 { 12, 4 },
895 { 0, 0 }
896 };
897
898 GMR1_IE_FUNC(gmr1_ie_rr_pkt_imm_ass_3_prm)
899 {
900 /* RLC Mode */
901 proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_rlc_mode,
902 tvb, offset, 1, ENC_BIG_ENDIAN);
903
904 /* Spare */
905 proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_spare,
906 tvb, offset, 1, ENC_BIG_ENDIAN);
907
908 /* Downlink Tempory Flow Identifier (TFI) */
909 proto_tree_add_split_bits_item_ret_val(
910 tree, hf_rr_pkt_imm_ass_3_prm_dl_tfi,
911 tvb, offset << 3,
912 rr_pkt_imm_ass_3_prm_dl_tfi_crumbs,
913 NULL);
914
915 /* Starting Frame Number */
916 proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_start_fn,
917 tvb, offset+1, 1, ENC_BIG_ENDIAN);
918
919 /* MAC Slot allocation */
920 proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc,
921 tvb, offset+2, 1, ENC_BIG_ENDIAN);
922
923 return 3;
924 }
925
926 /* [3] 11.5.2.106 - Packet Frequency Parameters */
927 static const value_string rr_pkt_freq_prm_dl_freq_plan_id_vals[] = {
928 { 0, "S-Band" }, /* Pretty much a guess ... */
929 { 1, "L-Band" }, /* didn't find exact value in specs */
930 { 0, NULL }
931 };
932
933 static const crumb_spec_t rr_pkt_freq_prm_arfcn_crumbs[] = {
934 { 0, 8 },
935 { 13, 3 },
936 { 0, 0 }
937 };
938
939 static const crumb_spec_t rr_pkt_freq_prm_ul_freq_dist_crumbs[] = {
940 { 0, 1 },
941 { 12, 4 },
942 { 0, 0 }
943 };
944
945 static void
946 rr_pkt_freq_prm_xx_bw_fmt(gchar *s, guint32 v)
947 {
948 g_snprintf(s, ITEM_LABEL_LENGTH, "%d * 31.25 kHz = %.2f kHz (%d)", v, 31.25f*v, v);
949 }
950
951 GMR1_IE_FUNC(gmr1_ie_rr_pkt_freq_prm)
952 {
953 /* ARFCN */
954 proto_tree_add_split_bits_item_ret_val(
955 tree, hf_rr_pkt_freq_prm_arfcn,
956 tvb, offset << 3,
957 rr_pkt_freq_prm_arfcn_crumbs,
958 NULL);
959
960 /* DL Freq plan ID */
961 proto_tree_add_item(tree, hf_rr_pkt_freq_prm_dl_freq_plan_id,
962 tvb, offset+1, 1, ENC_BIG_ENDIAN);
963
964 /* DL bandwidth */
965 proto_tree_add_item(tree, hf_rr_pkt_freq_prm_dl_bw,
966 tvb, offset+1, 1, ENC_BIG_ENDIAN);
967
968 /* UL Freq distance */
969 proto_tree_add_split_bits_item_ret_val(
970 tree, hf_rr_pkt_freq_prm_ul_freq_dist,
971 tvb, (offset+1) << 3,
972 rr_pkt_freq_prm_ul_freq_dist_crumbs,
973 NULL);
974
975 /* UL bandwidth */
976 proto_tree_add_item(tree, hf_rr_pkt_freq_prm_ul_bw,
977 tvb, offset+2, 1, ENC_BIG_ENDIAN);
978
979 /* Spare */
980 proto_tree_add_item(tree, hf_rr_pkt_freq_prm_spare,
981 tvb, offset+2, 1, ENC_BIG_ENDIAN);
982
983 return 3;
984 }
985
986 /* [3] 11.5.2.107 - Packet Imm. Ass. Type 2 Params */
987 static const value_string rr_pkt_imm_ass_2_prm_ac_mac_mode_vals[] = {
988 { 0, "Dynamic allocation" },
989 { 1, "Reverved" },
990 { 2, "Reverved" },
991 { 3, "Reverved" },
992 { 0, NULL }
993 };
994
995 static const crumb_spec_t rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt_crumbs[] = {
996 { 0, 4 },
997 { 13, 3 },
998 { 0, 0 }
999 };
1000
1001 GMR1_IE_FUNC(gmr1_ie_rr_pkt_imm_ass_2_prm)
1002 {
1003 proto_tree *subtree_ac, *subtree_d;
1004 proto_item *item_ac, *item_d;
1005
1006
1007 /* Terminal AC */
1008 /* ----------- */
1009
1010 item_ac = proto_tree_add_text(tree, tvb, offset, 5, "GMPRS Terminal type A or C");
1011 subtree_ac = proto_item_add_subtree(item_ac, ett_gmr1_ie_rr[GMR1_IE_RR_PKT_IMM_ASS_2_PRM]);
1012
1013 /* Spare */
1014 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_spare1,
1015 tvb, offset, 1, ENC_BIG_ENDIAN);
1016
1017 /* Final Allocation */
1018 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_final_alloc,
1019 tvb, offset, 1, ENC_BIG_ENDIAN);
1020
1021 /* USF Granularity */
1022 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity,
1023 tvb, offset, 1, ENC_BIG_ENDIAN);
1024
1025 /* Downlink Control MAC slot */
1026 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot,
1027 tvb, offset, 1, ENC_BIG_ENDIAN);
1028
1029 /* MAC Mode */
1030 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mac_mode,
1031 tvb, offset, 1, ENC_BIG_ENDIAN);
1032
1033 /* Starting Frame Number */
1034 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_start_fn,
1035 tvb, offset+1, 1, ENC_BIG_ENDIAN);
1036
1037 /* RLC Data Blocks Granted */
1038 proto_tree_add_split_bits_item_ret_val(
1039 tree, hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt,
1040 tvb, (offset+1) << 3,
1041 rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt_crumbs,
1042 NULL);
1043
1044 /* MCS */
1045 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mcs,
1046 tvb, offset+2, 1, ENC_BIG_ENDIAN);
1047
1048 /* TFI */
1049 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_tfi,
1050 tvb, offset+3, 1, ENC_BIG_ENDIAN);
1051
1052 /* Spare */
1053 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_spare2,
1054 tvb, offset+3, 1, ENC_BIG_ENDIAN);
1055
1056 /* MAC Slot allocation */
1057 proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc,
1058 tvb, offset+4, 1, ENC_BIG_ENDIAN);
1059
1060 /* Terminal D */
1061 /* ---------- */
1062
1063 item_d = proto_tree_add_text(tree, tvb, offset, 5, "GMPRS Terminal type D");
1064 subtree_d = proto_item_add_subtree(item_d, ett_gmr1_ie_rr[GMR1_IE_RR_PKT_IMM_ASS_2_PRM]);
1065
1066 /* Channel MCS command */
1067 proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd,
1068 tvb, offset, 1, ENC_BIG_ENDIAN);
1069
1070 /* Channel MCS command PNB(5,12) */
1071 proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512,
1072 tvb, offset, 1, ENC_BIG_ENDIAN);
1073
1074 /* Spare */
1075 proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_spare1,
1076 tvb, offset+1, 1, ENC_BIG_ENDIAN);
1077
1078 /* RLC Data Blocks Granted */
1079 proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt,
1080 tvb, offset+2, 1, ENC_BIG_ENDIAN);
1081
1082 /* Spare */
1083 proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_spare2,
1084 tvb, offset+2, 1, ENC_BIG_ENDIAN);
1085
1086 /* TFI */
1087 proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_tfi,
1088 tvb, offset+3, 1, ENC_BIG_ENDIAN);
1089
1090 /* USF Granularity */
1091 proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_usf_granularity,
1092 tvb, offset+3, 1, ENC_BIG_ENDIAN);
1093
1094 /* MAC Slot allocation */
1095 proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc,
1096 tvb, offset+4, 1, ENC_BIG_ENDIAN);
1097
1098
1099 return 5;
1100 }
1101
1102 /* [3] 11.5.2.110 - USF */
1103 GMR1_IE_FUNC(gmr1_ie_rr_usf)
1104 {
1105 /* Spare */
1106 proto_tree_add_item(tree, hf_rr_usf_spare,
1107 tvb, offset, 3, ENC_BIG_ENDIAN);
1108
1109 /* USF */
1110 proto_tree_add_item(tree, hf_rr_usf_value,
1111 tvb, offset+2, 1, ENC_BIG_ENDIAN);
1112
1113 return 3;
1114 }
1115
1116 /* [3] 10.1.18.3.4 & [5] 12.29 - Timing Advance Index */
1117 GMR1_IE_FUNC(gmr1_ie_rr_timing_adv_idx)
1118 {
1119 /* TAI */
1120 proto_tree_add_item(tree, hf_rr_timing_adv_idx_value,
1121 tvb, offset, 1, ENC_BIG_ENDIAN);
1122
1123 /* Spare */
1124 proto_tree_add_item(tree, hf_rr_timing_adv_idx_spare,
1125 tvb, offset, 1, ENC_BIG_ENDIAN);
1126
1127 return 1;
1128 }
1129
1130 /* [5] 12.16 - TLLI */
1131 GMR1_IE_FUNC(gmr1_ie_rr_tlli)
1132 {
1133 /* TLLI value as hex */
1134 proto_tree_add_item(tree, hf_rr_tlli, tvb, offset, 4, ENC_BIG_ENDIAN);
1135
1136 return 4;
1137 }
1138
1139 /* [3] 10.1.18.3.3 & [5] 10.4.10a & [6] 5.3.3 - Packet Power Control Params */
1140 static void
1141 rr_pkt_pwr_ctrl_prm_par_fmt(gchar *s, guint32 v)
1142 {
1143 if (v >= 61) {
1144 g_snprintf(s, ITEM_LABEL_LENGTH, "Escape %d (%d)", v-60, v);
1145 return;
1146 }
1147
1148 g_snprintf(s, ITEM_LABEL_LENGTH, "%.1f dB (%d)", v*0.4f, v);
1149 }
1150
1151 GMR1_IE_FUNC(gmr1_ie_rr_pkt_pwr_ctrl_prm)
1152 {
1153 /* Power Attenuation Request (PAR) */
1154 proto_tree_add_item(tree, hf_rr_pkt_pwr_ctrl_prm_par,
1155 tvb, offset, 1, ENC_BIG_ENDIAN);
1156
1157 /* Spare */
1158 proto_tree_add_item(tree, hf_rr_pkt_pwr_ctrl_prm_spare,
1159 tvb, offset, 1, ENC_BIG_ENDIAN);
1160
1161 return 1;
1162 }
1163
1164 /* [3] 10.1.18.4.2 & [5] 12.14 - Persistence Level */
1165 GMR1_IE_FUNC(gmr1_ie_rr_persistence_lvl)
1166 {
1167 int i;
1168
1169 for (i=0; i<4; i++)
1170 proto_tree_add_item(tree, hf_rr_persistence_lvl[i],
1171 tvb, offset + (i>>1), 1, ENC_BIG_ENDIAN);
1172
1173 return 2;
1174 }
1175
1176
1177 elem_fcn gmr1_ie_rr_func[NUM_GMR1_IE_RR] = {
1178 gmr1_ie_rr_chan_desc, /* Channel Description */
1179 gmr1_ie_rr_chan_mode, /* Channel Mode */
1180 gmr1_ie_rr_ciph_mode_setting, /* Cipher Mode Setting */
1181 gmr1_ie_rr_ciph_resp, /* Cipher Response */
1182 gmr1_ie_rr_l2_pseudo_len, /* L2 Pseudo Length */
1183 gmr1_ie_rr_page_mode, /* Page Mode */
1184 gmr1_ie_rr_req_ref, /* Request Reference */
1185 gmr1_ie_rr_cause, /* RR Cause */
1186 gmr1_ie_rr_timing_ofs, /* Timing Offset */
1187 gmr1_ie_rr_tmsi_ptmsi, /* TMSI/P-TMSI */
1188 gmr1_ie_rr_wait_ind, /* Wait Indication */
1189 gmr1_ie_rr_mes_info_flg, /* MES Information Flag */
1190 gmr1_ie_rr_freq_ofs, /* Frequency Offset */
1191 gmr1_ie_rr_page_info, /* Paging Information */
1192 gmr1_ie_rr_pos_display, /* Position Display */
1193 gmr1_ie_rr_pos_upd_info, /* Position Update Information */
1194 gmr1_ie_rr_bcch_carrier, /* BCCH Carrier */
1195 gmr1_ie_rr_reject_cause, /* Reject Cause */
1196 gmr1_ie_rr_gps_timestamp, /* GPS timestamp */
1197 gmr1_ie_rr_pwr_ctrl_prm, /* Power Control Params */
1198 gmr1_ie_rr_tmsi_avail_msk, /* TMSI Availability Mask */
1199 gmr1_ie_rr_gps_almanac, /* GPS Almanac Data */
1200 gmr1_ie_rr_msc_id, /* MSC ID */
1201 gmr1_ie_rr_gps_discr, /* GPS Discriminator */
1202 gmr1_ie_rr_pkt_imm_ass_3_prm, /* Packet Imm. Ass. Type 3 Params */
1203 gmr1_ie_rr_pkt_freq_prm, /* Packet Frequency Parameters */
1204 gmr1_ie_rr_pkt_imm_ass_2_prm, /* Packet Imm. Ass. Type 2 Params */
1205 gmr1_ie_rr_usf, /* USF */
1206 gmr1_ie_rr_timing_adv_idx, /* Timing Advance Index */
1207 gmr1_ie_rr_tlli, /* TLLI */
1208 gmr1_ie_rr_pkt_pwr_ctrl_prm, /* Packet Power Control Params */
1209 gmr1_ie_rr_persistence_lvl, /* Persistence Level */
1210 };
1211
1212
1213 /* ------------------------------------------------------------------------ */
1214 /* RR Messages */
1215 /* ------------------------------------------------------------------------ */
1216
1217 /* [1] 10.1.18 - Immediate Assignment */
1218 GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass)
1219 {
1220 guint8 mif;
1221
1222 GMR1_MSG_FUNC_BEGIN
1223
1224 /* MES Information Flag [1] 11.5.2.44 - M V 1 */
1225 mif = tvb_get_guint8(tvb, curr_offset);
1226
1227 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_MES_INFO_FLG, NULL);
1228
1229 /* Request Reference 1 (MES1) [1] 11.5.2.30 - M V 2 */
1230 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES1");
1231
1232 /* GPS Discriminator [1] 11.5.2.101 - C V 2 */
1233 if ((mif & 0x03) != 0x02) {
1234 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, " - MES1");
1235 }
1236
1237 /* Channel Description [1] 11.5.2.5 - C V 4 */
1238 if ((mif & 0x03) != 0x03) {
1239 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, " - MES1");
1240 }
1241
1242 /* Timing Offset [1] 11.5.2.40 - C V 2 */
1243 if ((mif & 0x03) != 0x03) {
1244 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, " - MES1");
1245 }
1246
1247 /* Frequency Offset [1] 11.5.2.49 - C V 2 */
1248 if ((mif & 0x03) != 0x03) {
1249 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, " - MES1");
1250 }
1251
1252 /* Idle Mode Pos. Upd. Info. [1] 11.5.2.54 - C V 2 */
1253 if (mif & 0x04) {
1254 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Idle Mode");
1255 }
1256
1257 /* Ded. Mode Pos. Upd. Info. [1] 11.5.2.54 - C V 2 */
1258 if (mif & 0x08) {
1259 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Dedicated Mode");
1260 }
1261
1262 /* Request Reference 2 (MES2) [1] 11.5.2.30 - C V 2 */
1263 if (mif & 0x10) {
1264 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES2");
1265 }
1266
1267 /* Request Reference 3 (MES3) [1] 11.5.2.30 - C V 2 */
1268 if (mif & 0x20) {
1269 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES3");
1270 }
1271
1272 /* Request Reference 4 (MES4) [1] 11.5.2.30 - C V 2 */
1273 if (mif & 0x40) {
1274 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES4");
1275 }
1276
1277 /* IA Rest Octets [1] 11.5.2.16 - M V 0..18 */
1278 /* FIXME */
1279
1280 GMR1_MSG_FUNC_END
1281 }
1282
1283 /* [1] 10.1.20.1 - Immediate Assignment Reject Type 1 */
1284 GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_rej_1)
1285 {
1286 guint8 rej_cause;
1287
1288 GMR1_MSG_FUNC_BEGIN
1289
1290 /* Request Reference 1 (MES1) [1] 11.5.2.30 - M V 2 */
1291 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES1");
1292
1293 /* GPS Discriminator [1] 11.5.2.101 - M V 2 */
1294 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, NULL);
1295
1296 /* Reject Cause [1] 11.5.2.56 - M V 1 */
1297 rej_cause = tvb_get_guint8(tvb, curr_offset);
1298
1299 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REJECT_CAUSE, NULL);
1300
1301 /* Wait Indication 1 (MES1) [4] 10.5.2.43 - C V 1 */
1302 if ((rej_cause & 0xfc) == 0x00) {
1303 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES1");
1304 }
1305
1306 /* Request Reference 2 (MES2) [1] 11.5.2.30 - M V 2 */
1307 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES2");
1308
1309 /* Wait Indication 2 (MES2) [4] 10.5.2.43 - M V 1 */
1310 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES2");
1311
1312 /* Request Reference 3 (MES3) [1] 11.5.2.30 - M V 2 */
1313 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES3");
1314
1315 /* Wait Indication 3 (MES3) [4] 10.5.2.43 - M V 1 */
1316 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES3");
1317
1318 /* Request Reference 4 (MES4) [1] 11.5.2.30 - M V 2 */
1319 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES4");
1320
1321 /* Wait Indication 4 (MES4) [4] 10.5.2.43 - M V 1 */
1322 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES4");
1323
1324 /* Idle Mode Position Update Info. [1] 11.5.2.54 - M V 2 */
1325 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Idle Mode");
1326
1327 /* BCCH Carrier Specification [1] 11.5.2.55 - C V 2 */
1328 if (rej_cause & 1) {
1329 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_BCCH_CARRIER, NULL);
1330 }
1331
1332 /* MSC ID [1] 11.5.2.100 - C V 1 */
1333 if ((rej_cause & 0xfc) == 0x5c) {
1334 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_MSC_ID, NULL);
1335 }
1336
1337 /* IAR Rest Octets [1] 11.5.2.17 - M V 1..4 */
1338 /* FIXME */
1339
1340 GMR1_MSG_FUNC_END
1341 }
1342
1343 /* [1] 10.1.20.4 - Position Verification Notify */
1344 GMR1_MSG_FUNC(gmr1_rr_msg_pos_verif_notify)
1345 {
1346 GMR1_MSG_FUNC_BEGIN
1347
1348 /* Request Reference [1] 11.5.2.30 - M V 2 */
1349 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, NULL);
1350
1351 /* GPS Discriminator [1] 11.5.2.101 - M V 2 */
1352 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, NULL);
1353
1354 /* Position Display [1] 11.5.2.52 - M V 11 */
1355 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_DISPLAY, NULL);
1356
1357 /* 78 Idle Mode Position Update Info. [1] 11.5.2.54 - O TV 3 */
1358 ELEM_OPT_TV(0x78, GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, NULL);
1359
1360 /* IAR Rest Octets [1] 11.5.2.17 - M V 3..6 */
1361 /* FIXME */
1362
1363 GMR1_MSG_FUNC_END
1364 }
1365
1366 /* [3] 10.1.18.3 - Immediate Assignment Type 2 */
1367 GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_2)
1368 {
1369 GMR1_MSG_FUNC_BEGIN
1370
1371 /* USF [3] 11.5.2.110 - M V 3 */
1372 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_USF, NULL);
1373
1374 /* Timing Advance Index [3] 10.1.18.3.4 - M V 1 */
1375 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_ADV_IDX, NULL);
1376
1377 /* TLLI [5] 12.16 - M V 4 */
1378 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TLLI, NULL);
1379
1380 /* Timing Offset [1] 11.5.2.40 - M V 2 */
1381 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, NULL);
1382
1383 /* Frequency Offset [1] 11.5.2.49 - M V 2 */
1384 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, NULL);
1385
1386 /* Packet Imm. Ass. Type 2 Params. [3] 11.5.2.107 - M V 5 */
1387 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_IMM_ASS_2_PRM, NULL);
1388
1389 /* Packet Frequency Parameters [3] 11.5.2.106 - M V 3 */
1390 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_FREQ_PRM, NULL);
1391
1392 /* Packet Power Control Parameters [3] 10.1.18.3.3 - M V 1 */
1393 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_PWR_CTRL_PRM, NULL);
1394
1395 GMR1_MSG_FUNC_END
1396 }
1397
1398 /* [3] 10.1.18.4 - Immediate Assignment Type 3 */
1399 GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_3)
1400 {
1401 GMR1_MSG_FUNC_BEGIN
1402
1403 /* Page Mode [1] 11.5.2.26 - M V 1/2 */
1404 /* Spare Half Octet [1] 11.5.1.8 - M V 1/2 */
1405 ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_PAGE_MODE,
1406 GMR1_IE_COMMON, GMR1_IE_COM_SPARE_NIBBLE);
1407
1408 /* Persistence Level [3] 10.1.18.4.2 - M V 2 */
1409 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PERSISTENCE_LVL, NULL);
1410
1411 /* Timing Advance Index [3] 10.1.18.3.4 - M V 1 */
1412 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_ADV_IDX, NULL);
1413
1414 /* TLLI [5] 12.16 - M V 4 */
1415 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TLLI, NULL);
1416
1417 /* Packet Imm. Ass. Type 3 Params [3] 11.5.2.105 - M V 3 */
1418 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_IMM_ASS_3_PRM, NULL);
1419
1420 /* Packet Frequency Parameters [3] 11.5.2.106 - M V 3 */
1421 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_FREQ_PRM, NULL);
1422
1423 /* Packet Power Control Parameters [3] 10.1.18.3.3 - M V 1 */
1424 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_PWR_CTRL_PRM, NULL);
1425
1426 /* P1 Rest Octets [1] 11.5.2.23 - M V 6 */
1427 /* FIXME */
1428
1429 GMR1_MSG_FUNC_END
1430 }
1431
1432 /* [3] 10.1.9 - Ciphering Mode Command */
1433 GMR1_MSG_FUNC(gmr1_rr_msg_ciph_mode_cmd)
1434 {
1435 GMR1_MSG_FUNC_BEGIN
1436
1437 /* Cipher Mode Setting [4] 10.5.2.9 - M V 1/2 */
1438 /* Cipher Response [4] 10.5.2.10 - M V 1/2 */
1439 ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_CIPH_MODE_SETTING,
1440 GMR1_IE_RR, GMR1_IE_RR_CIPH_RESP);
1441
1442 /* 75 Position Display [1] 11.5.2.52 - O TV 12 */
1443 ELEM_OPT_TV(0x75, GMR1_IE_RR, GMR1_IE_RR_POS_DISPLAY, NULL);
1444
1445 GMR1_MSG_FUNC_END
1446 }
1447
1448 /* [1] 10.1.10 - Ciphering Mode Complete */
1449 GMR1_MSG_FUNC(gmr1_rr_msg_ciph_mode_complete)
1450 {
1451 GMR1_MSG_FUNC_BEGIN
1452
1453 /* 17 Mobile Identity [1] 11.5.1.4 - O TLV 3-11 */
1454 ELEM_OPT_TLV(0x17, GSM_A_PDU_TYPE_COMMON, DE_MID, NULL);
1455
1456 /* 76 GPS Timestamp [1] 11.5.2.57 - O TV 3 */
1457 ELEM_OPT_TV(0x76, GMR1_IE_RR, GMR1_IE_RR_GPS_TIMESTAMP, NULL);
1458
1459 GMR1_MSG_FUNC_END
1460 }
1461
1462 /* [1] 10.1.2.1 - Assignment Command 1 */
1463 GMR1_MSG_FUNC(gmr1_rr_msg_ass_cmd_1)
1464 {
1465 GMR1_MSG_FUNC_BEGIN
1466
1467 /* Channel Description [1] 11.5.2.5 - M V 4 */
1468 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL);
1469
1470 /* 7D Timing Offset [1] 11.5.2.40 - O TV 3 */
1471 ELEM_OPT_TV(0x7D, GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, NULL);
1472
1473 /* 7F Frequency Offset [1] 11.5.2.49 - O TV 3 */
1474 ELEM_OPT_TV(0x7F, GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, NULL);
1475
1476 /* 63 Channel Mode [1] 11.5.2.6 - O TV 2 */
1477 ELEM_OPT_TV(0x63, GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL);
1478
1479 /* 71 Power Control Parameters [1] 11.5.2.60 - O TV 6 */
1480 ELEM_OPT_TV(0x71, GMR1_IE_RR, GMR1_IE_RR_PWR_CTRL_PRM, NULL);
1481
1482 /* 9- Cipher Mode Setting [4] 10.5.2.9 - O TV 1 */
1483 ELEM_OPT_TV_SHORT(0x90, GMR1_IE_RR, GMR1_IE_RR_CIPH_MODE_SETTING, NULL);
1484
1485 GMR1_MSG_FUNC_END
1486 }
1487
1488 /* [1] 10.1.7 - Channel Release */
1489 GMR1_MSG_FUNC(gmr1_rr_msg_chan_release)
1490 {
1491 GMR1_MSG_FUNC_BEGIN
1492
1493 /* RR Cause [1] 11.5.2.31 - M V 1 */
1494 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CAUSE, NULL);
1495
1496 GMR1_MSG_FUNC_END
1497 }
1498
1499 /* [1] 10.1.24 - Paging Request Type 3 */
1500 GMR1_MSG_FUNC(gmr1_rr_msg_pag_req_3)
1501 {
1502 guint8 tam;
1503
1504 GMR1_MSG_FUNC_BEGIN
1505
1506 /* Page Mode [1] 11.5.2.26 - M V 1/2 */
1507 /* TMSI Availability Mask [1] 11.5.2.62 - M V 1/2 */
1508 tam = (tvb_get_guint8(tvb, curr_offset) & 0xf0) >> 4;
1509
1510 ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_PAGE_MODE,
1511 GMR1_IE_RR, GMR1_IE_RR_TMSI_AVAIL_MSK);
1512
1513 /* Mobile Identity 1 (TMSI) [4] 10.5.2.42 - C V 4 */
1514 if (tam & 0x01) {
1515 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 1");
1516 }
1517
1518 /* GPS Almanac Data 1 [1] 11.5.2.63 - C V 5 */
1519 if (!(tam & 0x01)) {
1520 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 1");
1521 }
1522
1523 /* Mobile Identity 2 (TMSI) [4] 10.5.2.42 - C V 4 */
1524 if (tam & 0x02) {
1525 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 2");
1526 }
1527
1528 /* GPS Almanac Data 2 [1] 11.5.2.63 - C V 5 */
1529 if (!(tam & 0x02)) {
1530 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 2");
1531 }
1532
1533 /* Mobile Identity 3 (TMSI) [4] 10.5.2.42 - C V 4 */
1534 if (tam & 0x04) {
1535 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 3");
1536 }
1537
1538 /* GPS Almanac Data 3 [1] 11.5.2.63 - C V 5 */
1539 if (!(tam & 0x04)) {
1540 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 3");
1541 }
1542
1543 /* Mobile Identity 4 (TMSI) [4] 10.5.2.42 - C V 4 */
1544 if (tam & 0x08) {
1545 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 4");
1546 }
1547
1548 /* GPS Almanac Data 4 [1] 11.5.2.63 - C V 5 */
1549 if (!(tam & 0x08)) {
1550 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 4");
1551 }
1552
1553 /* Paging Information 1 [1] 11.5.2.51 - C V 1 */
1554 if (tam & 0x01) {
1555 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 1");
1556 }
1557
1558 /* Paging Information 2 [1] 11.5.2.51 - C V 1 */
1559 if (tam & 0x02) {
1560 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 2");
1561 }
1562
1563 /* Paging Information 3 [1] 11.5.2.51 - C V 1 */
1564 if (tam & 0x04) {
1565 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 3");
1566 }
1567
1568 /* Paging Information 4 [1] 11.5.2.51 - C V 1 */
1569 if (tam & 0x08) {
1570 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 4");
1571 }
1572
1573 GMR1_MSG_FUNC_END
1574 }
1575
1576 /* [1] 10.1.25 - Paging Response */
1577 GMR1_MSG_FUNC(gmr1_rr_msg_pag_resp)
1578 {
1579 GMR1_MSG_FUNC_BEGIN
1580
1581 /* Ciphering Key Sequence Number [4] 10.5.1.2 - M V 1/2 */
1582 /* Spare Half Octet [1] 11.5.1.8 - M V 1/2 */
1583 ELEM_MAND_VV_SHORT(GSM_A_PDU_TYPE_COMMON, DE_CIPH_KEY_SEQ_NUM,
1584 GMR1_IE_COMMON, GMR1_IE_COM_SPARE_NIBBLE);
1585
1586 /* Mobile Earth Station Classmark 2 [1] 11.5.1.6 - M L V 4 */
1587 ELEM_MAND_LV(GMR1_IE_COMMON, GMR1_IE_COM_CM2, NULL);
1588
1589 /* Mobile Identity [4] 10.5.1.4 - M L V 2-9 */
1590 ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, NULL);
1591
1592 GMR1_MSG_FUNC_END
1593 }
1594
1595 /* [1] 10.1.5 - Channel Mode Modify */
1596 GMR1_MSG_FUNC(gmr1_rr_msg_chan_mode_modify)
1597 {
1598 GMR1_MSG_FUNC_BEGIN
1599
1600 /* Channel Description [1] 11.5.2.5 - M V 4 */
1601 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL);
1602
1603 /* Channel Mode [1] 11.5.2.6 - M V 1 */
1604 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL);
1605
1606 GMR1_MSG_FUNC_END
1607 }
1608
1609 /* [1] 10.1.6 - Channel Mode Modify Acknowledge */
1610 GMR1_MSG_FUNC(gmr1_rr_msg_chan_mode_mod_ack)
1611 {
1612 GMR1_MSG_FUNC_BEGIN
1613
1614 /* Channel Description [1] 11.5.2.5 - M V 4 */
1615 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL);
1616
1617 /* Channel Mode [1] 11.5.2.6 - M V 1 */
1618 ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL);
1619
1620 GMR1_MSG_FUNC_END
1621 }
1622
1623
1624 /* See [3] 11.4.1 - Table 11.1 */
1625 static const value_string gmr1_msg_rr_strings[] = {
1626 /* Channel establishment messages */
1627 { 0x3f, "Immediate Assignment" },
1628 { 0x3a, "Immediate Assignment Reject Type 1" },
1629 { 0x3b, "Immediate Assignment Reject Type 2" },
1630 { 0x13e, "Extended Immediate Assignment" }, /* Conflict ... add 0x100 */
1631 { 0x13b, "Extended Imm. Assignment Reject" }, /* Conflict ... add 0x100 */
1632 { 0x39, "Position Verification Notify" },
1633 { 0x3c, "Immediate Assignment Reject Type 3" },
1634 { 0x3e, "Immediate Assignment Type 2" },
1635 { 0x3d, "Immediate Assignment Type 3" },
1636
1637 /* Ciphering messages */
1638 { 0x35, "Ciphering Mode Command" },
1639 { 0x32, "Ciphering Mode Complete" },
1640
1641 /* Channel assignment/handover messages */
1642 { 0x2e, "Assignment Command 1" },
1643 { 0x2a, "Assignment Command 2" },
1644 { 0x29, "Assignment Complete" },
1645 { 0x2f, "Assignment Failure" },
1646 { 0x2b, "Handover Command" },
1647 { 0x2c, "Handover Complete" },
1648
1649 /* Channel release messages */
1650 { 0x0d, "Channel Release" },
1651 { 0x0e, "TtT Signalling Link Failure" },
1652
1653 /* Paging messages */
1654 { 0x21, "Paging Request Type 1" },
1655 { 0x22, "Paging Request Type 2" },
1656 { 0x24, "Paging Request Type 3" },
1657 { 0x27, "Paging Response" },
1658
1659 /* Miscellaneous messages */
1660 { 0x10, "Channel Mode Modify" },
1661 { 0x12, "RR Status" },
1662 { 0x17, "Channel Mode Modify Acknowledge" },
1663 { 0x16, "Classmark Change" },
1664 { 0x13, "Classmark Enquiry" },
1665 { 0x14, "Position Update Request" },
1666 { 0x15, "Position Update Accept" },
1667 { 0x11, "Link Correction Message" },
1668
1669 { 0x01, "Power Control Parameters Update" },
1670 { 0x02, "Guard Time Violation" },
1671 { 0x04, "Extended Channel Request" },
1672
1673 /* Status and Diagnostic Messages */
1674 { 0x40, "Information Request" },
1675 { 0x41, "Information Response Position" },
1676 { 0x42, "Information Response Version" },
1677 { 0x43, "Information Response Spot Beam Selection" },
1678 { 0x44, "Information Response Power Control" },
1679 { 0x45, "Information Response Vendor Specific" },
1680 { 0x46, "Information Response Current Beam" },
1681 { 0x4f, "Information Response Error" },
1682
1683 /* End */
1684 { 0, NULL }
1685 };
1686
1687
1688 #define NUM_GMR1_MSG_RR (sizeof(gmr1_msg_rr_strings) / sizeof(value_string))
1689 static gint ett_msg_rr[NUM_GMR1_MSG_RR];
1690
1691 /* same order as gmr1_msg_rr_strings */
1692 static const gmr1_msg_func_t gmr1_msg_rr_func[NUM_GMR1_MSG_RR] = {
1693 /* Channel establishment messages */
1694 gmr1_rr_msg_imm_ass, /* Imm. Ass.*/
1695 gmr1_rr_msg_imm_ass_rej_1, /* Imm. Ass. Reject Type 1 */
1696 NULL, /* Imm. Ass. Reject Type 2 */
1697 NULL, /* Extended Imm. Ass. */
1698 NULL, /* Extended Imm. Ass. Reject */
1699 gmr1_rr_msg_pos_verif_notify, /* Position Verification Notify */
1700 NULL, /* Imm. Ass. Reject Type 3 */
1701 gmr1_rr_msg_imm_ass_2, /* Imm. Ass. Type 2 */
1702 gmr1_rr_msg_imm_ass_3, /* Imm. Ass. Type 3 */
1703
1704 /* Ciphering messages */
1705 gmr1_rr_msg_ciph_mode_cmd, /* Ciphering Mode Command */
1706 gmr1_rr_msg_ciph_mode_complete, /* Ciphering Mode Complete */
1707
1708 /* Channel assignment/handover messages */
1709 gmr1_rr_msg_ass_cmd_1, /* Assignment Command 1 */
1710 NULL, /* Assignment Command 2 */
1711 NULL, /* Assignment Complete */
1712 NULL, /* Assignment Failure */
1713 NULL, /* Handover Command */
1714 NULL, /* Handover Complete */
1715
1716 /* Channel release messages */
1717 gmr1_rr_msg_chan_release, /* Channel Release */
1718 NULL, /* TtT Signalling Link Failure */
1719
1720 /* Paging messages */
1721 NULL, /* Paging Request Type 1 */
1722 NULL, /* Paging Request Type 2 */
1723 gmr1_rr_msg_pag_req_3, /* Paging Request Type 3 */
1724 gmr1_rr_msg_pag_resp, /* Paging Response */
1725
1726 /* Miscellaneous messages */
1727 gmr1_rr_msg_chan_mode_modify, /* Channel Mode Modify */
1728 NULL, /* RR Status */
1729 gmr1_rr_msg_chan_mode_mod_ack, /* Channel Mode Modify Acknowledge */
1730 NULL, /* Classmark Change */
1731 NULL, /* Classmark Enquiry */
1732 NULL, /* Position Update Request */
1733 NULL, /* Position Update Accept */
1734 NULL, /* Link Correction Message */
1735
1736 NULL, /* Power Control Parameters Update */
1737 NULL, /* Guard Time Violation */
1738 NULL, /* Extended Channel Request */
1739
1740 /* Status and Diagnostic Messages */
1741 NULL, /* Info. Req. */
1742 NULL, /* Info. Resp. Position */
1743 NULL, /* Info. Resp. Version */
1744 NULL, /* Info. Resp. Spot Beam Selection */
1745 NULL, /* Info. Resp. Power Control */
1746 NULL, /* Info. Resp. Vendor Specific */
1747 NULL, /* Info. Resp. Current Beam */
1748 NULL, /* Info. Resp. Error */
1749
1750 NULL,
1751 };
1752
1753
1754 void
1755 gmr1_get_msg_rr_params(guint8 oct, int dcch, const gchar **msg_str,
1756 int *ett_tree, int *hf_idx, gmr1_msg_func_t *msg_func_p)
1757 {
1758 const gchar *m = NULL;
1759 gint idx;
1760
1761 if (dcch)
1762 m = try_val_to_str_idx((guint32)oct | 0x100, gmr1_msg_rr_strings, &idx);
1763
1764 if (!m)
1765 m = try_val_to_str_idx((guint32)oct, gmr1_msg_rr_strings, &idx);
1766
1767 *msg_str = m;
1768 *hf_idx = hf_rr_msg_type;
1769 if (m != NULL) {
1770 *ett_tree = ett_msg_rr[idx];
1771 *msg_func_p = gmr1_msg_rr_func[idx];
1772 } else {
1773 *ett_tree = -1;
1774 *msg_func_p = NULL;
1775 }
1776 }
1777
1778
1779 /* ------------------------------------------------------------------------ */
1780 /* Dissector code */
1781 /* ------------------------------------------------------------------------ */
1782
1783 static void
1784 dissect_gmr1_ccch(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
1785 {
1786 guint32 len, offset;
1787 gmr1_msg_func_t msg_func;
1788 const gchar *msg_str;
1789 gint ett_tree;
1790 int hf_idx;
1791 proto_item *ccch_item = NULL, *pd_item = NULL;
1792 proto_tree *ccch_tree = NULL, *pd_tree = NULL;
1793 guint32 oct[3];
1794 guint8 pd;
1795 gint ti = -1;
1796
1797 /* Scan init */
1798 len = tvb_length(tvb);
1799 offset = 0;
1800
1801 /* Safety */
1802 if (len < 3) {
1803 /* Can't be a CCCH */
1804 goto err;
1805 }
1806
1807 col_append_str(pinfo->cinfo, COL_INFO, "(CCCH) ");
1808
1809 /* First octed with pseudo len */
1810 oct[0] = tvb_get_guint8(tvb, offset++);
1811
1812 /* Check protocol descriptor */
1813 oct[1] = tvb_get_guint8(tvb, offset++);
1814
1815 if ((oct[1] & GMR1_PD_EXT_MSK) == GMR1_PD_EXT_VAL)
1816 pd = oct[1] & 0xff;
1817 else
1818 pd = oct[1] & 0x0f;
1819
1820 col_append_fstr(pinfo->cinfo, COL_INFO, "(%s) ",
1821 val_to_str(pd, gmr1_pd_short_vals, "Unknown (%u)"));
1822
1823 if (pd != GMR1_PD_RR)
1824 goto err; /* CCCH is only RR */
1825
1826 /* Get message parameters */
1827 oct[2] = tvb_get_guint8(tvb, offset);
1828
1829 gmr1_get_msg_rr_params(oct[2], 0, &msg_str, &ett_tree, &hf_idx, &msg_func);
1830
1831 /* Create protocol tree */
1832 if (msg_str == NULL)
1833 {
1834 ccch_item = proto_tree_add_protocol_format(
1835 tree, proto_gmr1_ccch, tvb, 0, len,
1836 "GMR-1 CCCH - Message Type (0x%02x)", oct[2]);
1837 ccch_tree = proto_item_add_subtree(ccch_item, ett_msg_ccch);
1838
1839 col_append_fstr(pinfo->cinfo, COL_INFO, "Message Type (0x%02x) ", oct[2]);
1840 }
1841 else
1842 {
1843 ccch_item = proto_tree_add_protocol_format(
1844 tree, proto_gmr1_ccch, tvb, 0, -1,
1845 "GMR-1 CCCH - %s", msg_str);
1846 ccch_tree = proto_item_add_subtree(ccch_item, ett_tree);
1847
1848 col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", msg_str);
1849 }
1850
1851 /* Start over */
1852 offset = 0;
1853
1854 /* L2 Pseudo Length - [1] 11.5.2.19 */
1855 offset += elem_v(tvb, ccch_tree, pinfo, GMR1_IE_RR, GMR1_IE_RR_L2_PSEUDO_LEN, offset, NULL);
1856
1857 /* Protocol discriminator item */
1858 pd_item = proto_tree_add_text(
1859 ccch_tree, tvb, 1, 1,
1860 "Protocol Discriminator: %s",
1861 val_to_str(pd, gmr1_pd_vals, "Unknown (%u)")
1862 );
1863
1864 pd_tree = proto_item_add_subtree(pd_item, ett_rr_pd);
1865
1866 /* Skip indicator / Transaction indicator */
1867 if (ti == -1) {
1868 proto_tree_add_item(pd_tree, hf_gmr1_skip_ind, tvb, 1, 1, ENC_BIG_ENDIAN);
1869 } else {
1870 /* FIXME !!! */
1871 }
1872
1873 /* Protocol discriminator value */
1874 proto_tree_add_item(pd_tree, hf_gmr1_l3_pd, tvb, 1, 1, ENC_BIG_ENDIAN);
1875
1876
1877 /* Move on */
1878 offset++;
1879
1880 /* Message type - [1] 11.4 */
1881 proto_tree_add_uint_format(
1882 ccch_tree, hf_idx, tvb, offset, 1, oct[2],
1883 "Message Type: %s", msg_str ? msg_str : "(Unknown)"
1884 );
1885
1886 offset++;
1887
1888 /* Decode elements */
1889 if (msg_func) {
1890 (*msg_func)(tvb, ccch_tree, pinfo, offset, len - offset);
1891 } else {
1892 proto_tree_add_text(ccch_tree, tvb, offset, len - offset,
1893 "Message Elements");
1894 }
1895
1896 /* Done ! */
1897 return;
1898
1899 /* Error handling */
1900 err:
1901 call_dissector(data_handle, tvb, pinfo, tree);
1902 }
1903
1904 void
1905 proto_register_gmr1_rr(void)
1906 {
1907 static hf_register_info hf[] = {
1908 { &hf_rr_msg_type,
1909 { "Radio Resources Management Message Type", "gmr1.rr.msg_type",
1910 FT_UINT8, BASE_HEX, VALS(gmr1_msg_rr_strings), 0x00,
1911 NULL, HFILL } /* FIXME handle CCCH/DCCH conflicts */
1912 },
1913 { &hf_rr_chan_desc_kab_loc,
1914 { "KAB Location", "gmr1.rr.chan_desc.kab_loc",
1915 FT_UINT8, BASE_DEC, NULL, 0x00,
1916 NULL, HFILL }
1917 },
1918 { &hf_rr_chan_desc_rx_tn,
1919 { "RX Timeslot", "gmr1.rr.chan_desc.rx_tn",
1920 FT_UINT8, BASE_DEC, NULL, 0x00,
1921 NULL, HFILL }
1922 },
1923 { &hf_rr_chan_desc_arfcn,
1924 { "ARFCN", "gmr1.rr.chan_desc.arfcn",
1925 FT_UINT16, BASE_DEC, NULL, 0x00,
1926 NULL, HFILL }
1927 },
1928 { &hf_rr_chan_desc_tx_tn,
1929 { "TX Timeslot", "gmr1.rr.chan_desc.tx_tn",
1930 FT_UINT8, BASE_DEC, NULL, 0x00,
1931 NULL, HFILL }
1932 },
1933 { &hf_rr_chan_desc_chan_type,
1934 { "Channel Type", "gmr1.rr.chan_desc.chan_type",
1935 FT_UINT8, BASE_DEC, VALS(rr_chan_desc_chan_type_vals), 0x00,
1936 NULL, HFILL }
1937 },
1938 { &hf_rr_chan_mode,
1939 { "Channel Mode", "gmr1.rr.chan_mode",
1940 FT_UINT8, BASE_DEC, VALS(rr_chan_mode_vals), 0x00,
1941 NULL, HFILL }
1942 },
1943 { &hf_rr_ciph_mode_setting_sc,
1944 { "SC", "gmr1.rr.ciph_mode_setting.sc",
1945 FT_UINT8, BASE_DEC, VALS(rr_ciph_mode_setting_sc_vals), 0x01,
1946 NULL, HFILL }
1947 },
1948 { &hf_rr_ciph_mode_setting_algo,
1949 { "Algorithm", "gmr1.rr.ciph_mode_setting.algo",
1950 FT_UINT8, BASE_DEC, VALS(rr_ciph_mode_setting_algo_vals), 0x0e,
1951 NULL, HFILL }
1952 },
1953 { &hf_rr_ciph_resp_cr,
1954 { "CR", "gmr1.rr.ciph_resp.cr",
1955 FT_UINT8, BASE_DEC, VALS(rr_ciph_resp_cr_vals), 0x10,
1956 NULL, HFILL }
1957 },
1958 { &hf_rr_ciph_resp_spare,
1959 { "Spare", "gmr1.rr.ciph_resp.spare",
1960 FT_UINT8, BASE_DEC, NULL, 0xe0,
1961 NULL, HFILL }
1962 },
1963 { &hf_rr_l2_pseudo_len,
1964 { "L2 Pseudo Length value", "gmr1.rr.l2_pseudo_len",
1965 FT_UINT8, BASE_DEC, NULL, 0xfc,
1966 NULL, HFILL }
1967 },
1968 { &hf_rr_page_mode,
1969 { "Page Mode", "gmr1.rr.page_mode.mode",
1970 FT_UINT8, BASE_DEC, VALS(rr_page_mode_vals), 0x03,
1971 NULL, HFILL }
1972 },
1973 { &hf_rr_page_mode_spare,
1974 { "Spare", "gmr1.rr.page_mode.spare",
1975 FT_UINT8, BASE_DEC, NULL, 0x0c,
1976 NULL, HFILL }
1977 },
1978 { &hf_rr_req_ref_est_cause,
1979 { "Establishment cause group ID", "gmr1.rr.req_ref.est_cause",
1980 FT_UINT8, BASE_DEC, VALS(rr_req_ref_est_cause_vals), 0xe0,
1981 NULL, HFILL }
1982 },
1983 { &hf_rr_req_ref_ra,
1984 { "Random Access Information", "gmr1.rr.req_ref.ra",
1985 FT_UINT8, BASE_HEX, NULL, 0x1f,
1986 NULL, HFILL }
1987 },
1988 { &hf_rr_req_ref_fn,
1989 { "Frame Number mod 256", "gmr1.rr.req_ref.fn",
1990 FT_UINT8, BASE_DEC, NULL, 0x00,
1991 NULL, HFILL }
1992 },
1993 { &hf_rr_cause,
1994 { "RR Cause", "gmr1.rr.cause",
1995 FT_UINT8, BASE_DEC, VALS(rr_cause_vals), 0x00,
1996 NULL, HFILL }
1997 },
1998 { &hf_rr_timing_ofs_ti,
1999 { "TI", "gmr1.rr.timing_offset.ti",
2000 FT_UINT8, BASE_DEC, VALS(rr_timing_ofs_ti_vals), 0x00,
2001 NULL, HFILL }
2002 },
2003 { &hf_rr_timing_ofs_value,
2004 { "Timing Offset value", "gmr1.rr.timing_offset.value",
2005 FT_INT16, BASE_CUSTOM, rr_timing_ofs_value_fmt, 0x00,
2006 NULL, HFILL }
2007 },
2008 { &hf_rr_tmsi_ptmsi,
2009 { "TMSI/P-TMSI Value","gmr1.rr.tmsi_ptmsi",
2010 FT_UINT32,BASE_HEX, NULL, 0x00,
2011 NULL, HFILL }
2012 },
2013 { &hf_rr_wait_ind_timeout,
2014 { "T3122/T3142 timeout", "gmr1.rr.wait_ind.timeout",
2015 FT_UINT8, BASE_CUSTOM, rr_gen_ie_seconds_fmt, 0x00,
2016 NULL, HFILL }
2017 },
2018 { &hf_rr_mif_mes1_ab,
2019 { "MES1 - Assignment Type", "gmr1.rr.mes_info_flag.1.ab",
2020 FT_UINT8, BASE_DEC, VALS(rr_mif_mes1_ab_vals), 0x03,
2021 NULL, HFILL }
2022 },
2023 { &hf_rr_mif_mes1_i,
2024 { "MES1 - Idle mode position update", "gmr1.rr.mes_info_flag.1.i",
2025 FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x04,
2026 NULL, HFILL }
2027 },
2028 { &hf_rr_mif_mes1_d,
2029 { "MES1 - Dedicated mode position update", "gmr1.rr.mes_info_flag.1.d",
2030 FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x08,
2031 NULL, HFILL }
2032 },
2033 { &hf_rr_mif_mes2,
2034 { "MES2", "gmr1.rr.mes_info_flag.2",
2035 FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x10,
2036 NULL, HFILL }
2037 },
2038 { &hf_rr_mif_mes3,
2039 { "MES3", "gmr1.rr.mes_info_flag.3",
2040 FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x20,
2041 NULL, HFILL }
2042 },
2043 { &hf_rr_mif_mes4,
2044 { "MES4", "gmr1.rr.mes_info_flag.4",
2045 FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x40,
2046 NULL, HFILL }
2047 },
2048 { &hf_rr_mif_pv,
2049 { "Position Verification indicator", "gmr1.rr.mes_info_flag.pv",
2050 FT_UINT8, BASE_DEC, VALS(rr_mif_pv_vals), 0x80,
2051 NULL, HFILL }
2052 },
2053 { &hf_rr_freq_ofs_fi,
2054 { "FI", "gmr1.rr.frequency_offset.fi",
2055 FT_UINT8, BASE_DEC, VALS(rr_freq_ofs_fi_vals), 0x00,
2056 NULL, HFILL }
2057 },
2058 { &hf_rr_freq_ofs_value,
2059 { "Frequency Offset value", "gmr1.rr.frequency_offset.value",
2060 FT_INT16, BASE_CUSTOM, rr_freq_ofs_value_fmt, 0x00,
2061 NULL, HFILL }
2062 },
2063 { &hf_rr_freq_ofs_spare,
2064 { "Spare", "gmr1.rr.frequency_offset.spare",
2065 FT_UINT8, BASE_DEC, NULL, 0x00,
2066 NULL, HFILL }
2067 },
2068 { &hf_rr_page_info_msc_id,
2069 { "MSC ID", "gmr1.rr.paging_info.msc_id",
2070 FT_UINT8, BASE_DEC, NULL, 0xfc,
2071 NULL, HFILL }
2072 },
2073 { &hf_rr_page_info_chan_needed,
2074 { "Channel Needed", "gmr1.rr.paging_info.chan_needed",
2075 FT_UINT8, BASE_DEC, VALS(rr_page_info_chan_needed_vals), 0x03,
2076 NULL, HFILL }
2077 },
2078 { &hf_rr_pos_display_flag,
2079 { "Display Information Flag", "gmr1.rr.pos_display.flag",
2080 FT_UINT8, BASE_DEC, VALS(rr_pos_display_flag_vals), 0xf0,
2081 NULL, HFILL }
2082 },
2083 { &hf_rr_pos_display_text,
2084 { "Country and Region name", "gmr1.rr.pos_display.text",
2085 FT_STRING, BASE_NONE, NULL, 0x00,
2086 NULL, HFILL }
2087 },
2088 { &hf_rr_pos_upd_info_v,
2089 { "Valid", "gmr1.rr.pos_upd_info.valid",
2090 FT_UINT8, BASE_DEC, VALS(rr_pos_upd_info_v_vals), 0x01,
2091 NULL, HFILL }
2092 },
2093 { &hf_rr_pos_upd_info_dist,
2094 { "GPS Update Distance", "gmr1.rr.pos_upd_info.distance",
2095 FT_UINT8, BASE_CUSTOM, rr_pos_upd_info_dist_fmt, 0xfe,
2096 NULL, HFILL }
2097 },
2098 { &hf_rr_pos_upd_info_time,
2099 { "GPS Update Timer", "gmr1.rr.pos_upd_info.time",
2100 FT_UINT8, BASE_CUSTOM, rr_pos_upd_info_time_fmt, 0xff,
2101 NULL, HFILL }
2102 },
2103 { &hf_rr_bcch_carrier_arfcn,
2104 { "ARFCN", "gmr1.rr.bcch_carrier.arfcn",
2105 FT_UINT16, BASE_DEC, NULL, 0x00,
2106 NULL, HFILL }
2107 },
2108 { &hf_rr_bcch_carrier_si,
2109 { "Satellite Indication", "gmr1.rr.bcch_carrier.si",
2110 FT_UINT8, BASE_DEC, VALS(rr_bcch_carrier_si_vals), 0x00,
2111 NULL, HFILL }
2112 },
2113 { &hf_rr_bcch_carrier_ri,
2114 { "Reselection Indication", "gmr1.rr.bcch_carrier.ri",
2115 FT_UINT8, BASE_DEC, VALS(rr_bcch_carrier_ri_vals), 0x00,
2116 NULL, HFILL }
2117 },
2118 { &hf_rr_bcch_carrier_spare,
2119 { "Spare", "gmr1.rr.bcch_carrier.spare",
2120 FT_UINT8, BASE_DEC, NULL, 0x00,
2121 NULL, HFILL }
2122 },
2123 { &hf_rr_reject_cause,
2124 { "Cause", "gmr1.rr.reject_cause.cause",
2125 FT_UINT8, BASE_DEC, VALS(rr_reject_cause_vals), 0xfc,
2126 NULL, HFILL }
2127 },
2128 { &hf_rr_reject_cause_b,
2129 { "BCCH Carrier IE presence", "gmr1.rr.reject_cause.b",
2130 FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x01,
2131 NULL, HFILL }
2132 },
2133 { &hf_rr_gps_timestamp,
2134 { "GPS timestamp", "gmr1.rr.gps_timestamp",
2135 FT_UINT16, BASE_CUSTOM, rr_gps_timestamp_fmt, 0xffff,
2136 NULL, HFILL }
2137 },
2138 { &hf_rr_tmsi_avail_msk_tmsi[0],
2139 { "TMSI 1 Presence", "gmr1.rr.tmsi_avail_msk.tmsi1",
2140 FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x10,
2141 NULL, HFILL }
2142 },
2143 { &hf_rr_tmsi_avail_msk_tmsi[1],
2144 { "TMSI 2 Presence", "gmr1.rr.tmsi_avail_msk.tmsi2",
2145 FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x20,
2146 NULL, HFILL }
2147 },
2148 { &hf_rr_tmsi_avail_msk_tmsi[2],
2149 { "TMSI 3 Presence", "gmr1.rr.tmsi_avail_msk.tmsi3",
2150 FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x40,
2151 NULL, HFILL }
2152 },
2153 { &hf_rr_tmsi_avail_msk_tmsi[3],
2154 { "TMSI 4 Presence", "gmr1.rr.tmsi_avail_msk.tmsi4",
2155 FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x80,
2156 NULL, HFILL }
2157 },
2158 { &hf_rr_gps_almanac_pn,
2159 { "Page Number", "gmr1.rr.gps_almanac.pn",
2160 FT_UINT8, BASE_CUSTOM, rr_gps_almanac_pn_fmt, 0xf8,
2161 "See ICD-GPS-200", HFILL }
2162 },
2163 { &hf_rr_gps_almanac_wn,
2164 { "Word Number", "gmr1.rr.gps_almanac.wn",
2165 FT_UINT8, BASE_DEC, NULL, 0x07,
2166 "See ICD-GPS-200", HFILL }
2167 },
2168 { &hf_rr_gps_almanac_word,
2169 { "GPS Almanac Word", "gmr1.rr.gps_almanac.word",
2170 FT_UINT24, BASE_HEX, NULL, 0x00,
2171 "See ICD-GPS-200", HFILL }
2172 },
2173 { &hf_rr_gps_almanac_sfn,
2174 { "Sub Frame Number", "gmr1.rr.gps_almanac.sfn",
2175 FT_UINT8, BASE_DEC, VALS(rr_gps_almanac_sfn_vals), 0x80,
2176 "See ICD-GPS-200", HFILL }
2177 },
2178 { &hf_rr_gps_almanac_co,
2179 { "CO", "gmr1.rr.gps_almanac.co",
2180 FT_UINT8, BASE_DEC, NULL, 0x40,
2181 NULL, HFILL }
2182 },
2183 { &hf_rr_gps_almanac_spare,
2184 { "Spare", "gmr1.rr.gps_almanac.spare",
2185 FT_UINT8, BASE_DEC, NULL, 0x3f,
2186 NULL, HFILL }
2187 },
2188 { &hf_rr_msc_id,
2189 { "MSC ID", "gmr1.rr.msc_id",
2190 FT_UINT8, BASE_DEC, NULL, 0xfc,
2191 NULL, HFILL }
2192 },
2193 { &hf_rr_msc_id_spare,
2194 { "Spare", "gmr1.rr.msc_id.spare",
2195 FT_UINT8, BASE_DEC, NULL, 0x03,
2196 NULL, HFILL }
2197 },
2198 { &hf_rr_gps_discr,
2199 { "GPS Position field CRC-16", "gmr1.rr.gps_discriminator",
2200 FT_UINT16, BASE_HEX, NULL, 0x00,
2201 NULL, HFILL }
2202 },
2203 { &hf_rr_pkt_imm_ass_3_prm_rlc_mode,
2204 { "RLC Mode", "gmr1.rr.pkt_imm_ass_3_prm",
2205 FT_UINT8, BASE_DEC, VALS(rr_pkt_imm_ass_3_prm_rlc_mode_vals), 0x01,
2206 NULL, HFILL }
2207 },
2208 { &hf_rr_pkt_imm_ass_3_prm_spare,
2209 { "Spare", "gmr1.rr.pkt_imm_ass_3_prm.spare",
2210 FT_UINT8, BASE_DEC, NULL, 0x1e,
2211 NULL, HFILL }
2212 },
2213 { &hf_rr_pkt_imm_ass_3_prm_dl_tfi,
2214 { "Downlink TFI", "gmr1.rr.pkt_imm_ass_3_prm.tfi",
2215 FT_UINT8, BASE_HEX, NULL, 0x00,
2216 "Temporary Flow Identifier", HFILL }
2217 },
2218 { &hf_rr_pkt_imm_ass_3_prm_start_fn,
2219 { "Start Framenumber", "gmr1.rr.pkt_imm_ass_3_prm.start_fn",
2220 FT_UINT8, BASE_DEC, NULL, 0xf0,
2221 NULL, HFILL }
2222 },
2223 { &hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc,
2224 { "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_3_prm.mac_slot_alloc",
2225 FT_UINT8, BASE_HEX, NULL, 0xff,
2226 "LSB=slot 0, MSB=slot 7", HFILL }
2227 },
2228 { &hf_rr_pkt_freq_prm_arfcn,
2229 { "ARFCN", "gmr1.rr.pkt_freq_prm.arfcn",
2230 FT_UINT16, BASE_DEC, NULL, 0x00,
2231 NULL, HFILL }
2232 },
2233 { &hf_rr_pkt_freq_prm_dl_freq_plan_id,
2234 { "Downlink Freq. Plan ID", "gmr1.rr.pkt_freq_prm.dl_freq_plan_id",
2235 FT_UINT8, BASE_DEC, VALS(rr_pkt_freq_prm_dl_freq_plan_id_vals), 0x08,
2236 NULL, HFILL }
2237 },
2238 { &hf_rr_pkt_freq_prm_dl_bw,
2239 { "Downlink Bandwidth", "gmr1.rr.pkt_freq_prm.dl_bw",
2240 FT_UINT8, BASE_CUSTOM, rr_pkt_freq_prm_xx_bw_fmt, 0x70,
2241 NULL, HFILL }
2242 },
2243 { &hf_rr_pkt_freq_prm_ul_freq_dist,
2244 { "Uplink Freq. Distance", "gmr1.rr.pkt_freq_prm.ul_freq_dist",
2245 FT_INT8, BASE_DEC, NULL, 0x00,
2246 NULL, HFILL }
2247 },
2248 { &hf_rr_pkt_freq_prm_ul_bw,
2249 { "Uplink Bandwidth", "gmr1.rr.pkt_freq_prm.ul_bw",
2250 FT_UINT8, BASE_CUSTOM, rr_pkt_freq_prm_xx_bw_fmt, 0x70,
2251 NULL, HFILL }
2252 },
2253 { &hf_rr_pkt_freq_prm_spare,
2254 { "Spare", "gmr1.rr.pkt_freq_prm.spare",
2255 FT_UINT8, BASE_DEC, NULL, 0x80,
2256 NULL, HFILL }
2257 },
2258 { &hf_rr_pkt_imm_ass_2_prm_ac_spare1,
2259 { "Spare", "gmr1.rr.pkt_imm_ass_2_prm.ac.spare1",
2260 FT_UINT8, BASE_DEC, NULL, 0x01,
2261 NULL, HFILL }
2262 },
2263 { &hf_rr_pkt_imm_ass_2_prm_ac_final_alloc,
2264 { "Final Allocation", "gmr1.rr.pkt_imm_ass_2_prm.ac.final_alloc",
2265 FT_UINT8, BASE_DEC, NULL, 0x02,
2266 NULL, HFILL }
2267 },
2268 { &hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity,
2269 { "USF Granularity", "gmr1.rr.pkt_imm_ass_2_prm.ac.usf_granularity",
2270 FT_UINT8, BASE_DEC, NULL, 0x04,
2271 NULL, HFILL }
2272 },
2273 { &hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot,
2274 { "Downlink Control MAC-slot", "gmr1.rr.pkt_imm_ass_2_prm.ac.dl_ctl_mac_slot",
2275 FT_UINT8, BASE_DEC, NULL, 0x38,
2276 NULL, HFILL }
2277 },
2278 { &hf_rr_pkt_imm_ass_2_prm_ac_mac_mode,
2279 { "MAC mode", "gmr1.rr.pkt_imm_ass_2_prm.ac.mac_mode",
2280 FT_UINT8, BASE_DEC, VALS(rr_pkt_imm_ass_2_prm_ac_mac_mode_vals), 0xc0,
2281 NULL, HFILL }
2282 },
2283 { &hf_rr_pkt_imm_ass_2_prm_ac_start_fn,
2284 { "Starting Frame Number", "gmr1.rr.pkt_imm_ass_2_prm.ac.start_fn",
2285 FT_UINT8, BASE_DEC, NULL, 0x0f,
2286 NULL, HFILL }
2287 },
2288 { &hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt,
2289 { "RLC Data Blocks Granted", "gmr1.rr.pkt_imm_ass_2_prm.ac.rlc_dblk_gnt",
2290 FT_UINT8, BASE_DEC, NULL, 0x00,
2291 NULL, HFILL }
2292 },
2293 { &hf_rr_pkt_imm_ass_2_prm_ac_mcs,
2294 { "MCS", "gmr1.rr.pkt_imm_ass_2_prm.ac.mcs",
2295 FT_UINT8, BASE_DEC, NULL, 0xf8,
2296 NULL, HFILL }
2297 },
2298 { &hf_rr_pkt_imm_ass_2_prm_ac_tfi,
2299 { "TFI", "gmr1.rr.pkt_imm_ass_2_prm.ac.tfi",
2300 FT_UINT8, BASE_HEX, NULL, 0x7f,
2301 NULL, HFILL }
2302 },
2303 { &hf_rr_pkt_imm_ass_2_prm_ac_spare2,
2304 { "Spare", "gmr1.rr.pkt_imm_ass_2_prm.ac.spare2",
2305 FT_UINT8, BASE_HEX, NULL, 0x80,
2306 NULL, HFILL }
2307 },
2308 { &hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc,
2309 { "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_2_prm.ac.mac_slot_alloc",
2310 FT_UINT8, BASE_HEX, NULL, 0xff,
2311 "LSB=slot 0, MSB=slot 7", HFILL }
2312 },
2313 { &hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd,
2314 { "Channel MCS Command", "gmr1.rr.pkt_imm_ass_2_prm.d.chan_mcs_cmd",
2315 FT_UINT8, BASE_HEX, NULL, 0x0f,
2316 NULL, HFILL }
2317 },
2318 { &hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512,
2319 { "Channel MCS Command PNB 5,12", "gmr1.rr.pkt_imm_ass_2_prm.d.chan_mcs_cmd_pnb512",
2320 FT_UINT8, BASE_HEX, NULL, 0xf0,
2321 NULL, HFILL }
2322 },
2323 { &hf_rr_pkt_imm_ass_2_prm_d_spare1,
2324 { "Spare", "gmr1.rr.pkt_imm_ass_2_prm.d.spare1",
2325 FT_UINT8, BASE_HEX, NULL, 0xff,
2326 NULL, HFILL }
2327 },
2328 { &hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt,
2329 { "RLC Data Blocks Granted", "gmr1.rr.pkt_imm_ass_2_prm.d.rlc_dblk_gnt",
2330 FT_UINT8, BASE_DEC, NULL, 0x7f,
2331 NULL, HFILL }
2332 },
2333 { &hf_rr_pkt_imm_ass_2_prm_d_spare2,
2334 { "Spare", "gmr1.rr.pkt_imm_ass_2_prm.d.spare2",
2335 FT_UINT8, BASE_HEX, NULL, 0x80,
2336 NULL, HFILL }
2337 },
2338 { &hf_rr_pkt_imm_ass_2_prm_d_tfi,
2339 { "TFI", "gmr1.rr.pkt_imm_ass_2_prm.d.tfi",
2340 FT_UINT8, BASE_HEX, NULL, 0x7f,
2341 NULL, HFILL }
2342 },
2343 { &hf_rr_pkt_imm_ass_2_prm_d_usf_granularity,
2344 { "USF Granularity", "gmr1.rr.pkt_imm_ass_2_prm.ac.usf_granularity",
2345 FT_UINT8, BASE_DEC, NULL, 0x80,
2346 NULL, HFILL }
2347 },
2348 { &hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc,
2349 { "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_2_prm.d.mac_slot_alloc",
2350 FT_UINT8, BASE_HEX, NULL, 0xff,
2351 "LSB=slot 0, MSB=slot 7", HFILL }
2352 },
2353 { &hf_rr_usf_value,
2354 { "Uplink state flag (USF)", "gmr1.rr.usf.value",
2355 FT_UINT8, BASE_HEX, NULL, 0x3f,
2356 NULL, HFILL }
2357 },
2358 { &hf_rr_usf_spare,
2359 { "Spare", "gmr1.rr.usf.spare",
2360 FT_UINT24, BASE_DEC, NULL, 0xffffc0,
2361 NULL, HFILL }
2362 },
2363 { &hf_rr_timing_adv_idx_value,
2364 { "TAI Value", "gmr1.rr.timing_adv_idx.tai",
2365 FT_UINT8, BASE_DEC, NULL, 0x7f,
2366 NULL, HFILL }
2367 },
2368 { &hf_rr_timing_adv_idx_spare,
2369 { "Spare", "gmr1.rr.timing_adv_idx.spare",
2370 FT_UINT8, BASE_DEC, NULL, 0x80,
2371 NULL, HFILL }
2372 },
2373 { &hf_rr_tlli,
2374 { "TLLI", "gmr1.rr.tlli",
2375 FT_UINT32, BASE_HEX, NULL, 0x00,
2376 NULL, HFILL }
2377 },
2378 { &hf_rr_pkt_pwr_ctrl_prm_par,
2379 { "Power Attenuation Request (PAR)", "gmr1.rr.pkt_pwr_ctrl_prm.par",
2380 FT_UINT8, BASE_CUSTOM, rr_pkt_pwr_ctrl_prm_par_fmt, 0x3f,
2381 NULL, HFILL }
2382 },
2383 { &hf_rr_pkt_pwr_ctrl_prm_spare,
2384 { "Spare", "gmr1.rr.pkt_pwr_ctrl_prm.spare",
2385 FT_UINT8, BASE_DEC, NULL, 0xc0,
2386 NULL, HFILL }
2387 },
2388 { &hf_rr_persistence_lvl[0],
2389 { "for Radio priority 1", "gmr1.rr.persistence_lvl.p1",
2390 FT_UINT8, BASE_DEC, NULL, 0xf0,
2391 NULL, HFILL }
2392 },
2393 { &hf_rr_persistence_lvl[1],
2394 { "for Radio priority 2", "gmr1.rr.persistence_lvl.p2",
2395 FT_UINT8, BASE_DEC, NULL, 0x0f,
2396 NULL, HFILL }
2397 },
2398 { &hf_rr_persistence_lvl[2],
2399 { "for Radio priority 3", "gmr1.rr.persistence_lvl.p3",
2400 FT_UINT8, BASE_DEC, NULL, 0xf0,
2401 NULL, HFILL }
2402 },
2403 { &hf_rr_persistence_lvl[3],
2404 { "for Radio priority 4", "gmr1.rr.persistence_lvl.p4",
2405 FT_UINT8, BASE_DEC, NULL, 0x0f,
2406 NULL, HFILL }
2407 },
2408 };
2409
2410 #define NUM_INDIVIDUAL_ELEMS 2
2411 static gint *ett[NUM_INDIVIDUAL_ELEMS +
2412 NUM_GMR1_IE_RR +
2413 NUM_GMR1_MSG_RR];
2414
2415 unsigned int last_offset, i;
2416
2417 /* Setup protocol subtree array */
2418 ett[0] = &ett_msg_ccch;
2419 ett[1] = &ett_rr_pd;
2420
2421 last_offset = NUM_INDIVIDUAL_ELEMS;
2422
2423 for (i=0; i<NUM_GMR1_IE_RR; i++,last_offset++) {
2424 ett_gmr1_ie_rr[i] = -1;
2425 ett[last_offset] = &ett_gmr1_ie_rr[i];
2426 }
2427
2428 for (i=0; i<NUM_GMR1_MSG_RR; i++,last_offset++) {
2429 ett_msg_rr[i] = -1;
2430 ett[last_offset] = &ett_msg_rr[i];
2431 }
2432
2433 proto_register_subtree_array(ett, array_length(ett));
2434
2435 /* Register the protocol name and field description */
2436 proto_gmr1_rr = proto_register_protocol("GEO-Mobile Radio (1) RR", "GMR-1 RR", "gmr1.rr");
2437
2438 proto_register_field_array(proto_gmr1_rr, hf, array_length(hf));
2439
2440 /* Register the protocol name and field description */
2441 proto_gmr1_ccch = proto_register_protocol("GEO-Mobile Radio (1) CCCH", "GMR-1 CCCH", "gmr1.ccch");
2442
2443 /* Register dissector */
2444 register_dissector("gmr1_ccch", dissect_gmr1_ccch, proto_gmr1_ccch);
2445 }
2446
2447 void
2448 proto_reg_handoff_gmr1_rr(void)
2449 {
2450 data_handle = find_dissector("data");
2451 }