1 /* packet-dect.c
2 *
3 * Dissector for the Digital Enhanced Cordless Telecommunications
4 * protocol.
5 *
6 * Copyright 2008-2009:
7 * - Andreas Schuler <andreas (A) schulerdev.de>
8 * - Matthias Wenzel <dect (A) mazzoo.de>
9 *
10 * Wireshark - Network traffic analyzer
11 * By Gerald Combs <gerald@wireshark.org>
12 * Copyright 1998 Gerald Combs
13 *
14 * SPDX-License-Identifier: GPL-2.0-or-later
15 */
16
17 /*
18 TODO (roughly in that order)
19 - Expand beyond full slot, 2-level modulation
20 - Make things stateful
21 - Once the capture format has stabilized, get rid of the Ethernet
22 hack and use a proper capture type.
23 */
24
25 #include "config.h"
26
27
28 #include <epan/packet.h>
29 #define ETHERTYPE_DECT 0x2323
30
31 #define DECT_PACKET_INFO_LEN 11
32
33 #define DECT_PACKET_PP 0
34 #define DECT_PACKET_FP 1
35
36 #define DECT_AFIELD_SIZE 8
37 #define DECT_AFIELD_TAIL_SIZE 5
38 #define DECT_BFIELD_DATA_SIZE 128
39
40 #define DECT_A_TA_MASK 0xE0
41 #define DECT_A_TA_SHIFT 5
42 #define DECT_A_BA_MASK 0x0E
43 #define DECT_A_BA_SHIFT 1
44 #define DECT_A_Q1_MASK 0x10
45 #define DECT_A_Q2_MASK 0x01
46
47 enum {
48 DECT_TA_CT0 = 0,
49 DECT_TA_CT1,
50 DECT_TA_NT_CL,
51 DECT_TA_NT,
52 DECT_TA_QT,
53 DECT_TA_ESC,
54 DECT_TA_MT,
55 DECT_TA_PT,
56 DECT_TA_MT_FIRST = DECT_TA_PT
57 };
58
59 /* ETSI EN 300 175-3 V2.3.0 6.2.4 and Annex E */
60 /* scramble table with corrections by Jakub Hruska */
61 static const guint8 scrt[8][31]=
62 {
63 {0x3B, 0xCD, 0x21, 0x5D, 0x88, 0x65, 0xBD, 0x44, 0xEF, 0x34, 0x85, 0x76, 0x21, 0x96, 0xF5, 0x13, 0xBC, 0xD2, 0x15, 0xD8, 0x86, 0x5B, 0xD4, 0x4E, 0xF3, 0x48, 0x57, 0x62, 0x19, 0x6F, 0x51},
64 {0x32, 0xDE, 0xA2, 0x77, 0x9A, 0x42, 0xBB, 0x10, 0xCB, 0x7A, 0x89, 0xDE, 0x69, 0x0A, 0xEC, 0x43, 0x2D, 0xEA, 0x27, 0x79, 0xA4, 0x2B, 0xB1, 0x0C, 0xB7, 0xA8, 0x9D, 0xE6, 0x90, 0xAE, 0xC4},
65 {0x2D, 0xEA, 0x27, 0x79, 0xA4, 0x2B, 0xB1, 0x0C, 0xB7, 0xA8, 0x9D, 0xE6, 0x90, 0xAE, 0xC4, 0x32, 0xDE, 0xA2, 0x77, 0x9A, 0x42, 0xBB, 0x10, 0xCB, 0x7A, 0x89, 0xDE, 0x69, 0x0A, 0xEC, 0x43},
66 {0x27, 0x79, 0xA4, 0x2B, 0xB1, 0x0C, 0xB7, 0xA8, 0x9D, 0xE6, 0x90, 0xAE, 0xC4, 0x32, 0xDE, 0xA2, 0x77, 0x9A, 0x42, 0xBB, 0x10, 0xCB, 0x7A, 0x89, 0xDE, 0x69, 0x0A, 0xEC, 0x43, 0x2D, 0xEA},
67 {0x19, 0x6F, 0x51, 0x3B, 0xCD, 0x21, 0x5D, 0x88, 0x65, 0xBD, 0x44, 0xEF, 0x34, 0x85, 0x76, 0x21, 0x96, 0xF5, 0x13, 0xBC, 0xD2, 0x15, 0xD8, 0x86, 0x5B, 0xD4, 0x4E, 0xF3, 0x48, 0x57, 0x62},
68 {0x13, 0xBC, 0xD2, 0x15, 0xD8, 0x86, 0x5B, 0xD4, 0x4E, 0xF3, 0x48, 0x57, 0x62, 0x19, 0x6F, 0x51, 0x3B, 0xCD, 0x21, 0x5D, 0x88, 0x65, 0xBD, 0x44, 0xEF, 0x34, 0x85, 0x76, 0x21, 0x96, 0xF5},
69 {0x0C, 0xB7, 0xA8, 0x9D, 0xE6, 0x90, 0xAE, 0xC4, 0x32, 0xDE, 0xA2, 0x77, 0x9A, 0x42, 0xBB, 0x10, 0xCB, 0x7A, 0x89, 0xDE, 0x69, 0x0A, 0xEC, 0x43, 0x2D, 0xEA, 0x27, 0x79, 0xA4, 0x2B, 0xB1},
70 {0x79, 0xA4, 0x2B, 0xB1, 0x0C, 0xB7, 0xA8, 0x9D, 0xE6, 0x90, 0xAE, 0xC4, 0x32, 0xDE, 0xA2, 0x77, 0x9A, 0x42, 0xBB, 0x10, 0xCB, 0x7A, 0x89, 0xDE, 0x69, 0x0A, 0xEC, 0x43, 0x2D, 0xEA, 0x27}
71 };
72
73 void proto_register_dect (void);
74 void proto_reg_handoff_dect (void);
75
76 static int proto_dect = -1;
77
78
79 static gint ett_dect = -1;
80 static gint ett_columns = -1;
81 static gint ett_afield = -1;
82 static gint ett_ahead = -1;
83 static gint ett_atail = -1;
84 static gint ett_aqt = -1;
85 static gint ett_bfield = -1;
86 static gint ett_bfdescrdata = -1;
87
88 static int hf_dect_transceivermode = -1;
89 static int hf_dect_preamble = -1;
90 static int hf_dect_type = -1;
91 static int hf_dect_channel = -1;
92 static int hf_dect_framenumber = -1;
93 static int hf_dect_rssi = -1;
94 static int hf_dect_slot = -1;
95 static int hf_dect_cc = -1;
96 static int hf_dect_cc_TA = -1;
97 static int hf_dect_cc_AField = -1;
98 static int hf_dect_cc_BField = -1;
99 static int hf_dect_A = -1;
100 static int hf_dect_A_Head = -1;
101 static int hf_dect_A_Head_TA_FP = -1;
102 static int hf_dect_A_Head_TA_PP = -1;
103 static int hf_dect_A_Head_Q1 = -1;
dissect_ddtp(tvbuff_t * tvb,packet_info * pinfo,proto_tree * tree,void * data _U_)104 static int hf_dect_A_Head_BA = -1;
105 static int hf_dect_A_Head_Q2 = -1;
106 static int hf_dect_A_Tail = -1;
107 static int hf_dect_A_Tail_Nt = -1;
108 static int hf_dect_A_Tail_Qt_Qh = -1;
109 static int hf_dect_A_Tail_Qt_0_Sn = -1;
110 static int hf_dect_A_Tail_Qt_0_Nr = -1;
111 static int hf_dect_A_Tail_Qt_0_Sp = -1;
112 static int hf_dect_A_Tail_Qt_0_Esc = -1;
113 static int hf_dect_A_Tail_Qt_0_Txs = -1;
114 static int hf_dect_A_Tail_Qt_0_Mc = -1;
115 static int hf_dect_A_Tail_Qt_0_CA = -1;
116 static int hf_dect_A_Tail_Qt_0_Spr1 = -1;
117 static int hf_dect_A_Tail_Qt_0_Cn = -1;
118 static int hf_dect_A_Tail_Qt_0_Spr2 = -1;
119 static int hf_dect_A_Tail_Qt_0_PSCN = -1;
120 static int hf_dect_A_Tail_Qt_3_A12 = -1;
121 static int hf_dect_A_Tail_Qt_3_A13 = -1;
122 static int hf_dect_A_Tail_Qt_3_A14 = -1;
123 static int hf_dect_A_Tail_Qt_3_A15 = -1;
124 static int hf_dect_A_Tail_Qt_3_A16 = -1;
125 static int hf_dect_A_Tail_Qt_3_A17 = -1;
126 static int hf_dect_A_Tail_Qt_3_A18 = -1;
127 static int hf_dect_A_Tail_Qt_3_A19 = -1;
128 static int hf_dect_A_Tail_Qt_3_A20 = -1;
129 static int hf_dect_A_Tail_Qt_3_A21 = -1;
130 static int hf_dect_A_Tail_Qt_3_A22 = -1;
131 static int hf_dect_A_Tail_Qt_3_A23 = -1;
132 static int hf_dect_A_Tail_Qt_3_A24 = -1;
133 static int hf_dect_A_Tail_Qt_3_A25 = -1;
134 static int hf_dect_A_Tail_Qt_3_A26 = -1;
135 static int hf_dect_A_Tail_Qt_3_A27 = -1;
136 static int hf_dect_A_Tail_Qt_3_A28 = -1;
137 static int hf_dect_A_Tail_Qt_3_A29 = -1;
138 static int hf_dect_A_Tail_Qt_3_A30 = -1;
139 static int hf_dect_A_Tail_Qt_3_A31 = -1;
140 static int hf_dect_A_Tail_Qt_3_A32 = -1;
141 static int hf_dect_A_Tail_Qt_3_A33 = -1;
142 static int hf_dect_A_Tail_Qt_3_A34 = -1;
143 static int hf_dect_A_Tail_Qt_3_A35 = -1;
144 static int hf_dect_A_Tail_Qt_3_A36 = -1;
145 static int hf_dect_A_Tail_Qt_3_A37 = -1;
146 static int hf_dect_A_Tail_Qt_3_A38 = -1;
147 static int hf_dect_A_Tail_Qt_3_A39 = -1;
148 static int hf_dect_A_Tail_Qt_3_A40 = -1;
149 static int hf_dect_A_Tail_Qt_3_A41 = -1;
150 static int hf_dect_A_Tail_Qt_3_A42 = -1;
151 static int hf_dect_A_Tail_Qt_3_A43 = -1;
152 static int hf_dect_A_Tail_Qt_3_A44 = -1;
153 static int hf_dect_A_Tail_Qt_3_A45 = -1;
154 static int hf_dect_A_Tail_Qt_3_A46 = -1;
155 static int hf_dect_A_Tail_Qt_3_A47 = -1;
156 static int hf_dect_A_Tail_Qt_4_CRFPHops = -1;
157 static int hf_dect_A_Tail_Qt_4_CRFPEnc = -1;
158 static int hf_dect_A_Tail_Qt_4_REFHops = -1;
159 static int hf_dect_A_Tail_Qt_4_REPCap = -1;
160 static int hf_dect_A_Tail_Qt_4_Sync = -1;
161 static int hf_dect_A_Tail_Qt_4_A20 = -1;
162 static int hf_dect_A_Tail_Qt_4_MACSusp = -1;
163 static int hf_dect_A_Tail_Qt_4_MACIpq = -1;
proto_register_ddtp(void)164 static int hf_dect_A_Tail_Qt_4_A23 = -1;
165 static int hf_dect_A_Tail_Qt_4_A24 = -1;
166 static int hf_dect_A_Tail_Qt_4_A25 = -1;
167 static int hf_dect_A_Tail_Qt_4_A26 = -1;
168 static int hf_dect_A_Tail_Qt_4_A27 = -1;
169 static int hf_dect_A_Tail_Qt_4_A28 = -1;
170 static int hf_dect_A_Tail_Qt_4_A29 = -1;
171 static int hf_dect_A_Tail_Qt_4_A30 = -1;
172 static int hf_dect_A_Tail_Qt_4_A31 = -1;
173 static int hf_dect_A_Tail_Qt_4_A32 = -1;
174 static int hf_dect_A_Tail_Qt_4_A33 = -1;
175 static int hf_dect_A_Tail_Qt_4_A34 = -1;
176 static int hf_dect_A_Tail_Qt_4_A35 = -1;
177 static int hf_dect_A_Tail_Qt_4_A36 = -1;
178 static int hf_dect_A_Tail_Qt_4_A37 = -1;
179 static int hf_dect_A_Tail_Qt_4_A38 = -1;
180 static int hf_dect_A_Tail_Qt_4_A39 = -1;
181 static int hf_dect_A_Tail_Qt_4_A40 = -1;
182 static int hf_dect_A_Tail_Qt_4_A41 = -1;
183 static int hf_dect_A_Tail_Qt_4_A42 = -1;
184 static int hf_dect_A_Tail_Qt_4_A43 = -1;
185 static int hf_dect_A_Tail_Qt_4_A44 = -1;
186 static int hf_dect_A_Tail_Qt_4_A45 = -1;
187 static int hf_dect_A_Tail_Qt_4_A46 = -1;
188 static int hf_dect_A_Tail_Qt_4_A47 = -1;
189 static int hf_dect_A_Tail_Qt_6_Spare = -1;
190 static int hf_dect_A_Tail_Qt_6_Mfn = -1;
191 static int hf_dect_A_Tail_Mt_Mh = -1;
192 static int hf_dect_A_Tail_Mt_Mh_attr = -1;
193 static int hf_dect_A_Tail_Mt_Mh_fmid = -1;
194 static int hf_dect_A_Tail_Mt_Mh_pmid = -1;
195 static int hf_dect_A_Tail_Mt_BasicConCtrl = -1;
196 static int hf_dect_A_Tail_Mt_Encr_Cmd1 = -1;
197 static int hf_dect_A_Tail_Mt_Encr_Cmd2 = -1;
198 static int hf_dect_A_Tail_Pt_ExtFlag = -1;
199 static int hf_dect_A_Tail_Pt_SDU = -1;
200 static int hf_dect_A_Tail_Pt_RFPI = -1;
201 static int hf_dect_A_Tail_Pt_BsData = -1;
202 static int hf_dect_A_Tail_Pt_InfoType = -1;
203 static int hf_dect_A_Tail_Pt_SlotPairs = -1;
204 static int hf_dect_A_Tail_Pt_Fillbits = -1;
205 static int hf_dect_A_Tail_Pt_Bearer_Sn = -1;
206 static int hf_dect_A_Tail_Pt_Bearer_Cn = -1;
207 static int hf_dect_A_Tail_Pt_Bearer_Sp = -1;
208 static int hf_dect_A_RCRC = -1;
proto_reg_handoff_ddtp(void)209 static int hf_dect_B = -1;
210 static int hf_dect_B_Data = -1;
211 static int hf_dect_B_DescrambledData = -1;
212 static int hf_dect_B_fn = -1;
213 static int hf_dect_B_XCRC = -1;
214
215 static const value_string transceiver_mode[]=
216 {
217 {0, "Receive"},
218 {1, "Send"},
219 {0, NULL}
220 };
221
222 /* ETSI EN 300 175-3 V2.3.0 7.1.2 */
223 static const value_string TA_vals_FP[]=
224 {
225 {0, "Ct Next Data Packet"},
226 {1, "Ct First Data Packet"},
227 {2, "Nt Identities Information on Connectionless Bearer"},
228 {3, "Nt Identities Information"},
229 {4, "Qt Multiframe Synchronisation and System Information"},
230 {5, "Escape"},
231 {6, "Mt MAC Layer Control"},
232 {7, "Pt Paging Tail"},
233 {0, NULL}
234 };
235
236 /* ETSI EN 300 175-3 V2.3.0 7.1.2 */
237 static const value_string TA_vals_PP[]=
238 {
239 {0, "Ct Next Data Packet"},
240 {1, "Ct First Data Packet"},
241 {2, "Nt Identities Information on Connectionless Bearer"},
242 {3, "Nt Identities Information"},
243 {4, "Qt Multiframe Synchronisation and System Information"},
244 {5, "Escape"},
245 {6, "Mt MAC Layer Control"},
246 {7, "Mt MAC Layer Control,first packet"},
247 {0, NULL}
248 };
249
250 /* ETSI EN 300 175-3 V2.3.0 7.1.4 */
251 static const value_string BA_vals[]=
252 {
253 {0, "U-Type, In, SIn or Ip Packet No. 0 or No Valid Ip_error_detect Channel Data"},
254 {1, "U-Type, Ip_error_detect or Ip Packet No. 1 or SIn or No Valid In Channel Data"},
255 {2, "Double-Slot Required / E-Type, all Cf or CLf, Packet No. 0"},
256 {3, "E-Type, All Cf, Packet No. 1"},
257 {4, "Half-Slot Required / E-Type, not all Cf or CLf, Cf Packet No. 0"},
258 {5, "E-Type, not all Cf, Cf Packet No. 1"},
259 {6, "E-Type, All MAC control (unnumbered)"},
260 {7, "No B-Field"},
261 {0, NULL}
262 };
263
264 /* ETSI EN 300 175-3 V2.3.0 7.2.3.1 */
265 static const value_string QTHead_vals[]=
266 {
267 {0, "Static System Info"},
268 {1, "Static System Info"},
269 {2, "Extended RF Carriers Part 1"},
270 {3, "Fixed Part Capabilities"},
271 {4, "Extended Fixed Part Capabilities"},
272 {5, "SARI List Contents"},
273 {6, "Multi-Frame No."},
274 {7, "Escape"},
275 {8, "Obsolete"},
276 {9, "Extended RF Carriers Part 2"},
277 {10, "Reserved("},
278 {11, "Transmit Information"},
279 {12, "Extended Fixed Part Capabilities 2"},
280 {13, "Reserved"},
281 {14, "Reserved"},
282 {15, "Reserved"},
283 {0, NULL}
284 };
285
286 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.2 */
287 static const value_string QTNormalReverse_vals[]=
288 {
289 {0, "Normal RFP Transmit Half-Frame"},
290 {1, "Normal PP Transmit Half-Frame"},
291 {0, NULL}
292 };
293
294 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.3 */
295 static const value_string QTSlotNumber_vals[]=
296 {
297 {0, "Slot Pair 0/12"},
298 {1, "Slot Pair 1/13"},
299 {2, "Slot Pair 2/14"},
300 {3, "Slot Pair 3/15"},
301 {4, "Slot Pair 4/16"},
302 {5, "Slot Pair 5/17"},
303 {6, "Slot Pair 6/18"},
304 {7, "Slot Pair 7/19"},
305 {8, "Slot Pair 8/20"},
306 {9, "Slot Pair 9/21"},
307 {10, "Slot Pair 10/22"},
308 {11, "Slot Pair 11/23"},
309 {12, "Reserved"},
310 {13, "Reserved"},
311 {14, "Reserved"},
312 {15, "Reserved"},
313 {0, NULL}
314 };
315
316 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.4 */
317 static const value_string QTStartPosition_vals[]=
318 {
319 {0, "S-Field starts at Bit F0"},
320 {1, "Reserved for Future Use"},
321 {2, "S-Field starts at Bit F240"},
322 {3, "Reserved for Future Use"},
323 {0, NULL}
324 };
325
326 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.5 */
327 static const value_string QTEscape_vals[]=
328 {
329 {0, "No QT Escape is broadcast"},
330 {1, "The QT Escape is broadcast"},
331 {0, NULL}
332 };
333
334 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.6 */
335 static const value_string QTTransceiver_vals[]=
336 {
337 {0, "RFP has 1 Transceiver"},
338 {1, "RFP has 2 Transceiver"},
339 {2, "RFP has 3 Transceiver"},
340 {3, "RFP has 4 or more Transceiver"},
341 {0, NULL}
342 };
343
344 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.7 */
345 static const value_string QTExtendedCarrier_vals[]=
346 {
347 {0, "No Extended RF Carrier Information Message"},
348 {1, "Extended RF Carrier Information Message shall be transmitted in the next Multiframe"},
349 {0, NULL}
350 };
351
352 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.9 */
353 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.11 */
354 static const value_string QTSpr_vals[]=
355 {
356 {0, "OK"},
357 {1, "Reserved"},
358 {2, "Reserved"},
359 {3, "Reserved"},
360 {0, NULL}
361 };
362
363 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.10 */
364 static const value_string QTCarrierNumber_vals[]=
365 {
366 {0, "RF Carrier 0"},
367 {1, "RF Carrier 1"},
368 {2, "RF Carrier 2"},
369 {3, "RF Carrier 3"},
370 {4, "RF Carrier 4"},
371 {5, "RF Carrier 5"},
372 {6, "RF Carrier 6"},
373 {7, "RF Carrier 7"},
374 {8, "RF Carrier 8"},
375 {9, "RF Carrier 9"},
376 {10, "RF Carrier 10"},
377 {11, "RF Carrier 11"},
378 {12, "RF Carrier 12"},
379 {13, "RF Carrier 13"},
380 {14, "RF Carrier 14"},
381 {15, "RF Carrier 15"},
382 {16, "RF Carrier 16"},
383 {17, "RF Carrier 17"},
384 {18, "RF Carrier 18"},
385 {19, "RF Carrier 19"},
386 {20, "RF Carrier 20"},
387 {21, "RF Carrier 21"},
388 {22, "RF Carrier 22"},
389 {23, "RF Carrier 23"},
390 {24, "RF Carrier 24"},
391 {25, "RF Carrier 25"},
392 {26, "RF Carrier 26"},
393 {27, "RF Carrier 27"},
394 {28, "RF Carrier 28"},
395 {29, "RF Carrier 29"},
396 {30, "RF Carrier 30"},
397 {31, "RF Carrier 31"},
398 {32, "RF Carrier 32"},
399 {33, "RF Carrier 33"},
400 {34, "RF Carrier 34"},
401 {35, "RF Carrier 35"},
402 {36, "RF Carrier 36"},
403 {37, "RF Carrier 37"},
404 {38, "RF Carrier 38"},
405 {39, "RF Carrier 39"},
406 {40, "RF Carrier 40"},
407 {41, "RF Carrier 41"},
408 {42, "RF Carrier 42"},
409 {43, "RF Carrier 43"},
410 {44, "RF Carrier 44"},
411 {45, "RF Carrier 45"},
412 {46, "RF Carrier 46"},
413 {47, "RF Carrier 47"},
414 {48, "RF Carrier 48"},
415 {49, "RF Carrier 49"},
416 {50, "RF Carrier 50"},
417 {51, "RF Carrier 51"},
418 {52, "RF Carrier 52"},
419 {53, "RF Carrier 53"},
420 {54, "RF Carrier 54"},
421 {55, "RF Carrier 55"},
422 {56, "RF Carrier 56"},
423 {57, "RF Carrier 57"},
424 {58, "RF Carrier 58"},
425 {59, "RF Carrier 59"},
426 {60, "RF Carrier 60"},
427 {61, "RF Carrier 61"},
428 {62, "RF Carrier 62"},
429 {63, "RF Carrier 63"},
430 {0, NULL}
431 };
432
433 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2.12 */
434 static const value_string QTScanCarrierNum_vals[]=
435 {
436 {0, "Primary Scan next on RF Carrier 0"},
437 {1, "Primary Scan next on RF Carrier 1"},
438 {2, "Primary Scan next on RF Carrier 2"},
439 {3, "Primary Scan next on RF Carrier 3"},
440 {4, "Primary Scan next on RF Carrier 4"},
441 {5, "Primary Scan next on RF Carrier 5"},
442 {6, "Primary Scan next on RF Carrier 6"},
443 {7, "Primary Scan next on RF Carrier 7"},
444 {8, "Primary Scan next on RF Carrier 8"},
445 {9, "Primary Scan next on RF Carrier 9"},
446 {10, "Primary Scan next on RF Carrier 10"},
447 {11, "Primary Scan next on RF Carrier 11"},
448 {12, "Primary Scan next on RF Carrier 12"},
449 {13, "Primary Scan next on RF Carrier 13"},
450 {14, "Primary Scan next on RF Carrier 14"},
451 {15, "Primary Scan next on RF Carrier 15"},
452 {16, "Primary Scan next on RF Carrier 16"},
453 {17, "Primary Scan next on RF Carrier 17"},
454 {18, "Primary Scan next on RF Carrier 18"},
455 {19, "Primary Scan next on RF Carrier 19"},
456 {20, "Primary Scan next on RF Carrier 20"},
457 {21, "Primary Scan next on RF Carrier 21"},
458 {22, "Primary Scan next on RF Carrier 22"},
459 {23, "Primary Scan next on RF Carrier 23"},
460 {24, "Primary Scan next on RF Carrier 24"},
461 {25, "Primary Scan next on RF Carrier 25"},
462 {26, "Primary Scan next on RF Carrier 26"},
463 {27, "Primary Scan next on RF Carrier 27"},
464 {28, "Primary Scan next on RF Carrier 28"},
465 {29, "Primary Scan next on RF Carrier 29"},
466 {30, "Primary Scan next on RF Carrier 30"},
467 {31, "Primary Scan next on RF Carrier 31"},
468 {32, "Primary Scan next on RF Carrier 32"},
469 {33, "Primary Scan next on RF Carrier 33"},
470 {34, "Primary Scan next on RF Carrier 34"},
471 {35, "Primary Scan next on RF Carrier 35"},
472 {36, "Primary Scan next on RF Carrier 36"},
473 {37, "Primary Scan next on RF Carrier 37"},
474 {38, "Primary Scan next on RF Carrier 38"},
475 {39, "Primary Scan next on RF Carrier 39"},
476 {40, "Primary Scan next on RF Carrier 40"},
477 {41, "Primary Scan next on RF Carrier 41"},
478 {42, "Primary Scan next on RF Carrier 42"},
479 {43, "Primary Scan next on RF Carrier 43"},
480 {44, "Primary Scan next on RF Carrier 44"},
481 {45, "Primary Scan next on RF Carrier 45"},
482 {46, "Primary Scan next on RF Carrier 46"},
483 {47, "Primary Scan next on RF Carrier 47"},
484 {48, "Primary Scan next on RF Carrier 48"},
485 {49, "Primary Scan next on RF Carrier 49"},
486 {50, "Primary Scan next on RF Carrier 50"},
487 {51, "Primary Scan next on RF Carrier 51"},
488 {52, "Primary Scan next on RF Carrier 52"},
489 {53, "Primary Scan next on RF Carrier 53"},
490 {54, "Primary Scan next on RF Carrier 54"},
491 {55, "Primary Scan next on RF Carrier 55"},
492 {56, "Primary Scan next on RF Carrier 56"},
493 {57, "Primary Scan next on RF Carrier 57"},
494 {58, "Primary Scan next on RF Carrier 58"},
495 {59, "Primary Scan next on RF Carrier 59"},
496 {60, "Primary Scan next on RF Carrier 60"},
497 {61, "Primary Scan next on RF Carrier 61"},
498 {62, "Primary Scan next on RF Carrier 62"},
499 {63, "Primary Scan next on RF Carrier 63"},
500 {0, NULL}
501 };
502
503 /* ETSI EN 300 175-3 V2.3.0 7.2.3.4.2 */
504 static const value_string Qt_A12_vals[]=
505 {
506 {0, " Extended FP Info"},
507 {1, "Extended FP Info"},
508 {0, NULL}
509 };
510
511 static const value_string Qt_A13_vals[]=
512 {
513 {0, " Double Duplex Bearer Connections"},
514 {1, "Double Duplex Bearer Connections"},
515 {0, NULL}
516 };
517
518 static const value_string Qt_A14_vals[]=
519 {
520 {0, " Reserved"},
521 {1, "Reserved"},
522 {0, NULL}
523 };
524
525 static const value_string Qt_A15_vals[]=
526 {
527 {0, " Double Slot"},
528 {1, "Double Slot"},
529 {0, NULL}
530 };
531
532 static const value_string Qt_A16_vals[]=
533 {
534 {0, " Half Slot"},
535 {1, "Half Slot"},
536 {0, NULL}
537 };
538
539 static const value_string Qt_A17_vals[]=
540 {
541 {0, " Full Slot"},
542 {1, "Full Slot"},
543 {0, NULL}
544 };
545
546 static const value_string Qt_A18_vals[]=
547 {
548 {0, " Frequency Control"},
549 {1, "Frequency Control"},
550 {0, NULL}
551 };
552
553 static const value_string Qt_A19_vals[]=
554 {
555 {0, " Page Repetition"},
556 {1, "Page Repetition"},
557 {0, NULL}
558 };
559
560 static const value_string Qt_A20_vals[]=
561 {
562 {0, " C/O Setup on Dummy allowed"},
563 {1, "C/O Setup on Dummy allowed"},
564 {0, NULL}
565 };
566
567 static const value_string Qt_A21_vals[]=
568 {
569 {0, " C/L Uplink"},
570 {1, "C/L Uplink"},
571 {0, NULL}
572 };
573
574 static const value_string Qt_A22_vals[]=
575 {
576 {0, " C/L Downlink"},
577 {1, "C/L Downlink"},
578 {0, NULL}
579 };
580
581 static const value_string Qt_A23_vals[]=
582 {
583 {0, " Basic A-Field Set-Up"},
584 {1, "Basic A-Field Set-Up"},
585 {0, NULL}
586 };
587
588 static const value_string Qt_A24_vals[]=
589 {
590 {0, " Advanced A-Field Set-Up"},
591 {1, "Advanced A-Field Set-Up"},
592 {0, NULL}
593 };
594
595 static const value_string Qt_A25_vals[]=
596 {
597 {0, " B-field Set-Up"},
598 {1, "B-field Set-Up"},
599 {0, NULL}
600 };
601
602 static const value_string Qt_A26_vals[]=
603 {
604 {0, " Cf Messages"},
605 {1, "Cf Messages"},
606 {0, NULL}
607 };
608
609 static const value_string Qt_A27_vals[]=
610 {
611 {0, " In Minimum Delay"},
612 {1, "In Minimum Delay"},
613 {0, NULL}
614 };
615
616 static const value_string Qt_A28_vals[]=
617 {
618 {0, " In Normal Delay"},
619 {1, "In Normal Delay"},
620 {0, NULL}
621 };
622
623 static const value_string Qt_A29_vals[]=
624 {
625 {0, " Ip Error Detection"},
626 {1, "Ip Error Detection"},
627 {0, NULL}
628 };
629
630 static const value_string Qt_A30_vals[]=
631 {
632 {0, " Ip Error Correction"},
633 {1, "Ip Error Correction"},
634 {0, NULL}
635 };
636
637 static const value_string Qt_A31_vals[]=
638 {
639 {0, " Multibearer Connections"},
640 {1, "Multibearer Connections"},
641 {0, NULL}
642 };
643
644 /* ETSI EN 300 175-5 V2.3.0 Annex F */
645 static const value_string Qt_A32_vals[]=
646 {
647 {0, " ADPCM/G.726 Voice service"},
648 {1, "ADPCM/G.726 Voice service"},
649 {0, NULL}
650 };
651
652 static const value_string Qt_A33_vals[]=
653 {
654 {0, " GAP basic speech"},
655 {1, "GAP basic speech"},
656 {0, NULL}
657 };
658
659 static const value_string Qt_A34_vals[]=
660 {
661 {0, " Non-voice circuit switched service"},
662 {1, "Non-voice circuit switched service"},
663 {0, NULL}
664 };
665
666 static const value_string Qt_A35_vals[]=
667 {
668 {0, " Non-voice packet switched service"},
669 {1, "Non-voice packet switched service"},
670 {0, NULL}
671 };
672
673 static const value_string Qt_A36_vals[]=
674 {
675 {0, " Standard authentication required"},
676 {1, "Standard authentication required"},
677 {0, NULL}
678 };
679
680 static const value_string Qt_A37_vals[]=
681 {
682 {0, " Standard ciphering supported"},
683 {1, "Standard ciphering supported"},
684 {0, NULL}
685 };
686
687 static const value_string Qt_A38_vals[]=
688 {
689 {0, " Location registration supported"},
690 {1, "Location registration supported"},
691 {0, NULL}
692 };
693
694 static const value_string Qt_A39_vals[]=
695 {
696 {0, " SIM services available"},
697 {1, "SIM services available"},
698 {0, NULL}
699 };
700
701 static const value_string Qt_A40_vals[]=
702 {
703 {0, " Non-static Fixed Part (FP)"},
704 {1, "Non-static Fixed Part (FP)"},
705 {0, NULL}
706 };
707
708 static const value_string Qt_A41_vals[]=
709 {
710 {0, " CISS services available"},
711 {1, "CISS services available"},
712 {0, NULL}
713 };
714
715 static const value_string Qt_A42_vals[]=
716 {
717 {0, " CLMS service available"},
718 {1, "CLMS service available"},
719 {0, NULL}
720 };
721
722 static const value_string Qt_A43_vals[]=
723 {
724 {0, " COMS service available"},
725 {1, "COMS service available"},
726 {0, NULL}
727 };
728
729 static const value_string Qt_A44_vals[]=
730 {
731 {0, " Access rights requests supported"},
732 {1, "Access rights requests supported"},
733 {0, NULL}
734 };
735
736 static const value_string Qt_A45_vals[]=
737 {
738 {0, " External handover supported"},
739 {1, "External handover supported"},
740 {0, NULL}
741 };
742
743 static const value_string Qt_A46_vals[]=
744 {
745 {0, " Connection handover supported"},
746 {1, "Connection handover supported"},
747 {0, NULL}
748 };
749
750 static const value_string Qt_A47_vals[]=
751 {
752 {0, " Reserved"},
753 {1, "Reserved"},
754 {0, NULL}
755 };
756
757
758 static const value_string Qt_EA20_vals[]=
759 {
760 {0, " Reserved"},
761 {1, "Reserved"},
762 {0, NULL}
763 };
764
765 /* ETSI EN 300 175-3 V2.3.0 7.2.3.5.2.1 */
766 static const value_string Qt_CRFPHops_vals[]=
767 {
768 {0, "1 CRFP is allowed"},
769 {1, "2 CRFP allowed in cascade"},
770 {2, "3 CRFP allowed in cascade"},
771 {3, "No CRFP allowed"},
772 {0, NULL}
773 };
774
775 static const value_string Qt_CRFPEnc_vals[]=
776 {
777 {0, "CRFP encryption not supported"},
778 {1, "CRFP encryption supported"},
779 {0, NULL}
780 };
781
782 static const value_string Qt_REPHops_vals[]=
783 {
784 {0, "REP not supported"},
785 {1, "1 REP is allowed"},
786 {2, "2 REP are allowed in cascade"},
787 {3, "3 REP are allowed in cascade"},
788 {0, NULL}
789 };
790
791 static const value_string Qt_REPCap_vals[]=
792 {
793 {0, "REP interlacing not supported"},
794 {1, "REP interlacing supported"},
795 {0, NULL}
796 };
797
798 /* ETSI EN 300 175-3 V2.3.0 7.2.3.5.2.2 */
799 static const value_string Qt_Sync_vals[]=
800 {
801 {0, "standard, see EN 300 175-2 [2], clauses 4.6 and 5.2"},
802 {1, "prolonged preamble, see EN 300 175-2 [2], annex C (see note)"},
803 {2, "reserved"},
804 {3, "reserved"},
805 {0, NULL}
806 };
807
808 /* ETSI EN 300 175-3 V2.3.0 7.2.3.5.2.3 */
809 static const value_string Qt_MACSusp_vals[]=
810 {
811 {0, "Suspend and Resume not supported"},
812 {1, "Suspend and Resume supported"},
813 {0, NULL}
814 };
815
816 /* ETSI EN 300 175-3 V2.3.0 7.2.3.5.2.4 */
817 static const value_string Qt_MACIpq_vals[]=
818 {
819 {0, "Ipq not supported"},
820 {1, "Ipq supported"},
821 {0, NULL}
822 };
823
824 /* ETSI EN 300 175-3 V2.3.0 7.2.3.5.2 */
825 static const value_string Qt_EA23_vals[]=
826 {
827 {0, " Extended Fixed Part Info 2"},
828 {1, "Extended Fixed Part Info 2"},
829 {0, NULL}
830 };
831
832 static const value_string Qt_EA24_vals[]=
833 {
834 {0, " Unused"},
835 {1, "Unused"},
836 {0, NULL}
837 };
838
839 /* ETSI EN 300 175-5 V2.3.0 Annex F */
840 static const value_string Qt_EA25_vals[]=
841 {
842 {0, " F-MMS Interworking profile supported"},
843 {1, "F-MMS Interworking profile supported"},
844 {0, NULL}
845 };
846
847 static const value_string Qt_EA26_vals[]=
848 {
849 {0, " Basic ODAP supported"},
850 {1, "Basic ODAP supported"},
851 {0, NULL}
852 };
853
854 static const value_string Qt_EA27_vals[]=
855 {
856 {0, " Generic Media Encapsulation transport (DPRS) supported"},
857 {1, "Generic Media Encapsulation transport (DPRS) supported"},
858 {0, NULL}
859 };
860
861 static const value_string Qt_EA28_vals[]=
862 {
863 {0, " IP Roaming unrestricted supported"},
864 {1, "IP Roaming unrestricted supported"},
865 {0, NULL}
866 };
867
868 static const value_string Qt_EA29_vals[]=
869 {
870 {0, " Ethernet"},
871 {1, "Ethernet"},
872 {0, NULL}
873 };
874
875 static const value_string Qt_EA30_vals[]=
876 {
877 {0, " Token Ring"},
878 {1, "Token Ring"},
879 {0, NULL}
880 };
881
882 static const value_string Qt_EA31_vals[]=
883 {
884 {0, " IP"},
885 {1, "IP"},
886 {0, NULL}
887 };
888
889 static const value_string Qt_EA32_vals[]=
890 {
891 {0, " PPP"},
892 {1, "PPP"},
893 {0, NULL}
894 };
895
896 static const value_string Qt_EA33_vals[]=
897 {
898 {0, " V.24"},
899 {1, "V.24"},
900 {0, NULL}
901 };
902
903 static const value_string Qt_EA34_vals[]=
904 {
905 {0, " Reserved"},
906 {1, "Reserved"},
907 {0, NULL}
908 };
909
910 static const value_string Qt_EA35_vals[]=
911 {
912 {0, " Reserved"},
913 {1, "Reserved"},
914 {0, NULL}
915 };
916
917 static const value_string Qt_EA36_vals[]=
918 {
919 {0, " RAP Part 1 Profile"},
920 {1, "RAP Part 1 Profile"},
921 {0, NULL}
922 };
923
924 static const value_string Qt_EA37_vals[]=
925 {
926 {0, " ISDN intermediate system"},
927 {1, "ISDN intermediate system"},
928 {0, NULL}
929 };
930
931 static const value_string Qt_EA38_vals[]=
932 {
933 {0, " Synchronization to GPS achieved"},
934 {1, "Synchronization to GPS achieved"},
935 {0, NULL}
936 };
937
938 static const value_string Qt_EA39_vals[]=
939 {
940 {0, " Location registration with TPUI allowed"},
941 {1, "Location registration with TPUI allowed"},
942 {0, NULL}
943 };
944
945 static const value_string Qt_EA40_vals[]=
946 {
947 {0, " Emergency call supported"},
948 {1, "Emergency call supported"},
949 {0, NULL}
950 };
951
952 static const value_string Qt_EA41_vals[]=
953 {
954 {0, " Asymmetric bearers supported"},
955 {1, "Asymmetric bearers supported"},
956 {0, NULL}
957 };
958
959 static const value_string Qt_EA42_vals[]=
960 {
961 {0, " Reserved"},
962 {1, "Reserved"},
963 {0, NULL}
964 };
965
966 static const value_string Qt_EA43_vals[]=
967 {
968 {0, " LRMS"},
969 {1, "LRMS"},
970 {0, NULL}
971 };
972
973 static const value_string Qt_EA44_vals[]=
974 {
975 {0, " Data Service Profile D"},
976 {1, "Data Service Profile D"},
977 {0, NULL}
978 };
979
980 static const value_string Qt_EA45_vals[]=
981 {
982 {0, " DPRS Stream"},
983 {1, "DPRS Stream"},
984 {0, NULL}
985 };
986
987 static const value_string Qt_EA46_vals[]=
988 {
989 {0, " DPRS FREL"},
990 {1, "DPRS FREL"},
991 {0, NULL}
992 };
993
994 static const value_string Qt_EA47_vals[]=
995 {
996 {0, " ISDN Data Services"},
997 {1, "ISDN Data Services"},
998 {0, NULL}
999 };
1000
1001 /* ETSI EN 300 175-3 V2.3.0 7.2.5.1 */
1002 static const value_string MTHead_vals[]=
1003 {
1004 {0, "Basic Connection Control"},
1005 {1, "Advanced Connection Control"},
1006 {2, "MAC Layer Test Messages"},
1007 {3, "Quality Control"},
1008 {4, "Broadcast and Connectionless Services"},
1009 {5, "Encryption Control"},
1010 {6, "Tail for use with the first Transmission of a B-Field \"bearer request\" Message"},
1011 {7, "Escape"},
1012 {8, "TARI Message"},
1013 {9, "REP Connection Control"},
1014 {10, "Reserved"},
1015 {11, "Reserved"},
1016 {12, "Reserved"},
1017 {13, "Reserved"},
1018 {14, "Reserved"},
1019 {15, "Reserved"},
1020 {0, NULL}
1021 };
1022
1023 /* ETSI EN 300 175-3 V2.3.0 7.2.5.2 */
1024 static const value_string MTBasicConCtrl_vals[]=
1025 {
1026 {0, "Access Request"},
1027 {1, "Bearer Handover Request"},
1028 {2, "Connection Handover Request"},
1029 {3, "Unconfirmed Access Request"},
1030 {4, "Bearer Confirm"},
1031 {5, "Wait"},
1032 {6, "Attributes T Request"},
1033 {7, "Attributes T Confirm"},
1034 {8, "Reserved"},
1035 {9, "Reserved"},
1036 {10, "Reserved"},
1037 {11, "Reserved"},
1038 {12, "Reserved"},
1039 {13, "Reserved"},
1040 {14, "Reserved"},
1041 {15, "Release"},
1042 {0, NULL}
1043 };
1044
1045 /* ETSI EN 300 175-3 V2.3.0 7.2.5.7 */
1046 static const value_string MTEncrCmd1_vals[]=
1047 {
1048 {0, "Start Encryption"},
1049 {1, "Stop Encryption"},
1050 {2, "reserved"},
1051 {3, "reserved"},
1052 {0, NULL}
1053 };
1054
1055 static const value_string MTEncrCmd2_vals[]=
1056 {
1057 {0, "Request"},
1058 {1, "Confirm"},
1059 {2, "Grant"},
1060 {3, "Reserved"},
1061 {0, NULL}
1062 };
1063
1064 /* ETSI EN 300 175-3 V2.3.0 7.2.4.2.2 */
1065 static const value_string PTExtFlag_vals[]=
1066 {
1067 {0, "Next normal Page in Frame 0"},
1068 {1, "Another Page in next Frame"},
1069 {0, NULL}
1070 };
1071
1072 /* ETSI EN 300 175-3 V2.3.0 7.2.4.2.3 */
1073 static const value_string PTSDU_vals[]=
1074 {
1075 {0, "Zero Length Page"},
1076 {1, "Short Page"},
1077 {2, "Full Page"},
1078 {3, "MAC resume page"},
1079 {4, "Not the last 36 Bits of a Long Page"},
1080 {5, "The first 36 Bits of a Long Page"},
1081 {6, "The last 36 Bits of a Long Page"},
1082 {7, "All of a Long Page (first and last)"},
1083 {0, NULL}
1084 };
1085
1086 /* ETSI EN 300 175-3 V2.3.0 7.2.4.3.1 */
1087 static const value_string PTInfoType_vals[]=
1088 {
1089 {0, "Fill Bits"},
1090 {1, "Blind Full Slot Information for Circuit Mode Service"},
1091 {2, "Other Bearer"},
1092 {3, "Recommended Other Bearer"},
1093 {4, "Good RFP Bearer"},
1094 {5, "Dummy or connectionless Bearer Position"},
1095 {6, "Extended Modulation Types"},
1096 {7, "Escape"},
1097 {8, "Dummy or connectionless Bearer Marker"},
1098 {9, "Bearer Handover/Replacement Information"},
1099 {10, "RFP Status and Modulation Types"},
1100 {11, "Active Carriers"},
1101 {12, "Connectionless Bearer Position"},
1102 {13, "RFP Power Level"},
1103 {14, "Blind Double Slot/RFP-FP Interface Resource Information"},
1104 {15, "Blind Full Slot Information for Packet Mode Service"},
1105 {0, NULL}
1106 };
1107
1108 #if 0
1109 /* ETSI EN 300 175-3 V2.3.0 7.2.4.3.10 */
1110 static const value_string PTRFPPower_vals[]=
1111 {
1112 {0, "0 dBm"},
1113 {1, "2 dBm"},
1114 {2, "4 dBm"},
1115 {3, "6 dBm"},
1116 {4, "8 dBm"},
1117 {5, "10 dBm"},
1118 {6, "12 dBm"},
1119 {7, "14 dBm"},
1120 {8, "16 dBm"},
1121 {9, "18 dBm"},
1122 {10, "20 dBm"},
1123 {11, "22 dBm"},
1124 {12, "24 dBm"},
1125 {13, "26 dBm"},
1126 {14, "28 dBm"},
1127 {15, "30 dBm"},
1128 {0, NULL}
1129 };
1130 #endif
1131
1132
1133 static unsigned char
1134 dect_getbit(guint8 *data, int bit)
1135 {
1136 guint8 byte=data[bit/8];
1137
1138 return (byte>>bit%8)&1;
1139 }
1140
1141 static void
1142 dect_setbit(guint8 *data, int bit, guint8 value)
1143 {
1144 if(!value)
1145 data[bit/8]&=~(1<<(bit%8));
1146 else
1147 data[bit/8]|=(1<<(bit%8));
1148 }
1149
1150 /* EN 300 175-3 V2.3.0 6.2.5.4 */
1151 static guint8
1152 calc_xcrc(guint8* data, guint8 length)
1153 {
1154 guint8 bits[21];
1155 guint8 gp=0x1;
1156 guint8 crc;
1157 guint8 next;
1158 int y, x;
1159
1160 memset(bits, 0, sizeof(bits));
1161 for(y=0;y<=length-4;y++)
1162 {
1163 dect_setbit(bits, y, dect_getbit(data, y+48*(1+(int)(y/16))));
1164 }
1165 length=10;
1166 crc=bits[0];
1167 y=0;
1168 while(y<length)
1169 {
1170 if(y<(length-1))
1171 next=bits[y+1];
1172 else
1173 next=0;
1174 y++;
1175 x=0;
1176 while(x<8)
1177 {
1178 while(!(crc&0x80))
1179 {
1180 crc<<=1;
1181 crc|=!!(next&0x80);
1182 next<<=1;
1183 x++;
1184 if(x>7)
1185 break;
1186 }
1187 if(x>7)
1188 break;
1189 crc<<=1;
1190 crc|=!!(next&0x80);
1191 next<<=1;
1192 x++;
1193 crc^=(gp<<4);
1194 }
1195 }
1196 return crc;
1197 }
1198
1199 /* EN 300 175-3 V2.3.0 6.2.5.2 */
1200 static guint16
1201 calc_rcrc(guint8* data)
1202 {
1203 guint16 gp=0x0589; /* 10000010110001001 without the leading 1 */
1204
1205 guint16 crc;
1206 guint8 next;
1207 int y, x;
1208
1209 crc=data[0]<<8|data[1];
1210 y=0;
1211 while(y<6)
1212 {
1213 next=data[2+y];
1214 y++;
1215 x=0;
1216 while(x<8)
1217 {
1218 while(!(crc&0x8000))
1219 {
1220 crc<<=1;
1221 crc|=!!(next&0x80);
1222 next<<=1;
1223 x++;
1224 if(x>7)
1225 break;
1226 }
1227 if(x>7)
1228 break;
1229 crc<<=1;
1230 crc|=!!(next&0x80);
1231 next<<=1;
1232 x++;
1233 crc^=gp;
1234 }
1235 }
1236 crc^=1;
1237 return crc;
1238 }
1239
1240 /* ETSI EN 300 175-3 V2.3.0 6.2.1.3 */
1241 static gint
1242 dissect_bfield(gboolean dect_packet_type _U_, guint8 ba,
1243 packet_info *pinfo _U_, tvbuff_t *tvb, gint offset, proto_tree *DectTree, proto_tree *ColumnsTree)
1244 {
1245 guint8 xcrc/*, xcrclen*/;
1246 guint16 blen;
1247 gint start_offset;
1248 const char *bfield_str;
1249 const char *bfield_short_str;
1250
1251 proto_item *bfieldti = NULL;
1252 proto_tree *BField = NULL;
1253
1254 proto_item *bfdescrdatati = NULL;
1255 proto_tree *BFDescrData = NULL;
1256
1257 guint8 bfield_data[DECT_BFIELD_DATA_SIZE];
1258 guint bfield_length = tvb_reported_length_remaining(tvb, offset);
1259
1260 if (bfield_length > DECT_BFIELD_DATA_SIZE)
1261 bfield_length = DECT_BFIELD_DATA_SIZE;
1262
1263 if (bfield_length)
1264 {
1265 tvb_memcpy(tvb, bfield_data, offset, bfield_length);
1266 if (bfield_length < DECT_BFIELD_DATA_SIZE)
1267 memset(&bfield_data[bfield_length], 0, DECT_BFIELD_DATA_SIZE - bfield_length);
1268 }
1269 else
1270 memset(bfield_data, 0, DECT_BFIELD_DATA_SIZE);
1271
1272 /* B-Field */
1273 switch(ba)
1274 {
1275 case 0:
1276 case 1:
1277 case 3:
1278 case 5:
1279 case 6:
1280 blen=40;
1281 /*xcrclen=4;*/
1282
1283 bfield_short_str="Full Slot";
1284 bfield_str="Full Slot (320 bit data, 4 bit xcrc)";
1285 break;
1286 case 2:
1287 blen=100;
1288 /*xcrclen=4;*/
1289
1290 bfield_short_str="Double Slot";
1291 bfield_str="Double Slot (800 bit data, 4 bit xcrc)";
1292 break;
1293 case 4:
1294 blen=10;
1295 /*xcrclen=4;*/
1296
1297 bfield_short_str="Half Slot";
1298 bfield_str="Half Slot (80 bit data, 4 bit xcrc)";
1299 break;
1300 case 7:
1301 default:
1302 blen=0;
1303 /*xcrclen=0;*/
1304
1305 bfield_short_str="No B-Field";
1306 bfield_str="No B-Field";
1307 break;
1308 }
1309
1310 proto_tree_add_string(ColumnsTree, hf_dect_cc_BField, tvb, offset, 1, bfield_short_str);
1311
1312 if(blen)
1313 {
1314 bfieldti = proto_tree_add_item(DectTree, hf_dect_B, tvb, offset, blen, ENC_NA);
1315 BField = proto_item_add_subtree(bfieldti, ett_bfield);
1316
1317 proto_tree_add_none_format(BField, hf_dect_B_Data, tvb, offset, blen, "%s", bfield_str);
1318
1319 bfdescrdatati = proto_tree_add_item(BField, hf_dect_B_DescrambledData, tvb, offset, blen, ENC_NA);
1320 BFDescrData = proto_item_add_subtree(bfdescrdatati, ett_bfdescrdata);
1321 }
1322
1323 start_offset=offset;
1324
1325 if(blen<=bfield_length)
1326 {
1327 gint fn;
1328 guint16 x, y;
1329 for(fn=0;fn<8;fn++)
1330 {
1331 guint16 bytecount=0;
1332
1333 offset=start_offset;
1334
1335 proto_tree_add_none_format(BFDescrData, hf_dect_B_fn, tvb, offset, 0, "Framenumber %u/%u", fn, fn+8);
1336 for(x=0;x<blen;x+=16)
1337 {
1338 /*
1339 * XXX - should this just be an FTYPE_BYTES
1340 * field, and possibly just displayed as
1341 * "Data: N bytes" rather than giving all
1342 * the bytes of data?
1343 *
1344 * No, it gives you the bytes in descrambled
1345 * form depending on the framenumber. Sometimes,
1346 * you doesn't know the real framenumber, so you need
1347 * the range of all possible descramblings. (a.schuler)
1348 */
1349 wmem_strbuf_t *string;
1350 string = wmem_strbuf_new(pinfo->pool, NULL);
1351 for(y=0;y<16;y++)
1352 {
1353 if((x+y)>=blen)
1354 break;
1355
1356 wmem_strbuf_append_printf(string,"%.2x ", bfield_data[x+y]^scrt[fn][bytecount%31]);
1357 bytecount++;
1358 }
1359 proto_tree_add_none_format(BFDescrData, hf_dect_B_Data, tvb, offset,
1360 y, "Data: %s", wmem_strbuf_get_str(string));
1361 offset+=y;
1362 }
1363 }
1364 }
1365 else
1366 proto_tree_add_none_format(BField, hf_dect_B_Data, tvb, offset, 0, "Data too Short");
1367
1368 if(blen==40)
1369 xcrc=calc_xcrc(bfield_data, 83);
1370 else
1371 xcrc=0;
1372
1373 if((unsigned)(blen+1)<=bfield_length)
1374 {
1375 if(xcrc!=(bfield_data[40]&0xf0))
1376 /* XXX: pkt_bfield->Data[40]&0xf0 isn't really the Recv value?? */
1377 proto_tree_add_uint_format(bfieldti, hf_dect_B_XCRC, tvb, offset, 1, 0, "X-CRC Error (Calc:%.2x, Recv:%.2x)",xcrc, bfield_data[40]&0xf0);
1378 else
1379 /* XXX: pkt_bfield->Data[40]&0xf0 isn't really the Recv value?? */
1380 proto_tree_add_uint_format(bfieldti, hf_dect_B_XCRC, tvb, offset, 1, 1, "X-CRC Match (Calc:%.2x, Recv:%.2x)", xcrc, bfield_data[40]&0xf0);
1381 }
1382 else
1383 proto_tree_add_uint_format(bfieldti, hf_dect_B_XCRC, tvb, offset, 1, 0, "No X-CRC logged (Calc:%.2x)", xcrc);
1384
1385 return offset;
1386 }
1387
1388 /* ETSI EN 300 175-3 V2.3.0 6.2.1.2 */
1389 static void
1390 dissect_afield(gboolean dect_packet_type, guint8 *ba,
1391 packet_info *pinfo _U_, tvbuff_t *tvb, gint offset, proto_tree *DectTree, proto_tree *ColumnsTree)
1392 {
1393 guint8 ta;
1394 guint8 rcrcdat[8];
1395 guint16 computed_rcrc;
1396 wmem_strbuf_t *afield_str;
1397
1398 proto_item *afieldti = NULL;
1399 proto_item *aheadti = NULL;
1400 proto_item *atailti = NULL;
1401 proto_tree *AField = NULL;
1402 proto_tree *AHead = NULL;
1403 proto_tree *ATail = NULL;
1404
1405 guint8 header, tail_0, tail_1, tail_2, tail_3, tail_4;
1406 guint16 rcrc;
1407
1408 afield_str = wmem_strbuf_new(pinfo->pool, NULL);
1409
1410 /************************** A-Field ***********************************/
1411
1412 /* ETSI EN 300 175-3 V2.3.0 7.1.1, 7.2.1
1413 *
1414 * | TA |Q1| BA |Q2| Tail | R-CRC |
1415 * +-----------------------+--------/ /--------+-------------+
1416 * |a0 a1 a2 a3 a4 a5 a6 a7|a8 | | | a47|a48 | a63|
1417 */
1418
1419 /* A-Field */
1420 header = tvb_get_guint8(tvb, offset+0);
1421 tail_0 = tvb_get_guint8(tvb, offset+1);
1422 tail_1 = tvb_get_guint8(tvb, offset+2);
1423 tail_2 = tvb_get_guint8(tvb, offset+3);
1424 tail_3 = tvb_get_guint8(tvb, offset+4);
1425 tail_4 = tvb_get_guint8(tvb, offset+5);
1426 rcrc = tvb_get_ntohs(tvb, offset+6);
1427
1428 ta = (header & DECT_A_TA_MASK) >> DECT_A_TA_SHIFT;
1429 *ba = (header & DECT_A_BA_MASK) >> DECT_A_BA_SHIFT;
1430
1431 afieldti = proto_tree_add_item(DectTree, hf_dect_A, tvb, offset, DECT_AFIELD_SIZE, ENC_NA);
1432 AField = proto_item_add_subtree(afieldti, ett_afield);
1433
1434 /* Header */
1435 aheadti = proto_tree_add_item(AField, hf_dect_A_Head, tvb, offset, 1, ENC_BIG_ENDIAN);
1436 AHead = proto_item_add_subtree(aheadti, ett_ahead);
1437
1438 if(dect_packet_type==DECT_PACKET_FP)
1439 proto_tree_add_item(AHead, hf_dect_A_Head_TA_FP, tvb, offset, 1, ENC_BIG_ENDIAN);
1440 else
1441 proto_tree_add_item(AHead, hf_dect_A_Head_TA_PP, tvb, offset, 1, ENC_BIG_ENDIAN);
1442
1443 proto_tree_add_item(AHead, hf_dect_A_Head_Q1, tvb, offset, 1, ENC_BIG_ENDIAN);
1444 proto_tree_add_item(AHead, hf_dect_A_Head_BA, tvb, offset, 1, ENC_BIG_ENDIAN);
1445 proto_tree_add_item(AHead, hf_dect_A_Head_Q2, tvb, offset, 1, ENC_BIG_ENDIAN);
1446 offset++;
1447
1448 /* Tail */
1449 if(dect_packet_type==DECT_PACKET_FP)
1450 {
1451 atailti = proto_tree_add_none_format(afieldti, hf_dect_A_Tail, tvb, offset, 5,
1452 "FP-Tail: %s", val_to_str(ta, TA_vals_FP, "Error, please report: %d"));
1453 }
1454 else
1455 {
1456 atailti = proto_tree_add_none_format(afieldti, hf_dect_A_Tail, tvb, offset, 5,
1457 "PP-Tail: %s", val_to_str(ta, TA_vals_PP, "Error, please report: %d"));
1458 }
1459
1460 ATail = proto_item_add_subtree(atailti, ett_atail);
1461
1462 if((ta==DECT_TA_CT0)||(ta==DECT_TA_CT1))
1463 {
1464 /* ETSI EN 300 175-3 V2.3.0 10.8.1.1.1 */
1465 proto_tree_add_string(ColumnsTree, hf_dect_cc_TA, tvb, offset, 1, "[Ct]");
1466
1467 if(ta==DECT_TA_CT0)
1468 wmem_strbuf_append_printf(afield_str,"C-Channel Next Data: %s",tvb_bytes_to_str(pinfo->pool, tvb, offset, 5));
1469 else
1470 wmem_strbuf_append_printf(afield_str,"C-Channel First Data: %s",tvb_bytes_to_str(pinfo->pool, tvb, offset, 5));
1471
1472 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, wmem_strbuf_get_str(afield_str));
1473 }
1474 else if((ta==DECT_TA_NT)||(ta==DECT_TA_NT_CL))
1475 {
1476 /* ETSI EN 300 175-3 V2.3.0 7.2.2 */
1477 proto_tree_add_string(ColumnsTree, hf_dect_cc_TA, tvb, offset, 1, "[Nt]");
1478
1479 wmem_strbuf_append_printf(afield_str,"RFPI: %s",tvb_bytes_to_str(pinfo->pool, tvb, offset, 5));
1480 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, wmem_strbuf_get_str(afield_str));
1481
1482 proto_tree_add_item(atailti, hf_dect_A_Tail_Nt, tvb, offset, 5, ENC_NA);
1483 }
1484 else if(ta==DECT_TA_QT)
1485 {
1486 /* ETSI EN 300 175-3 V2.3.0 7.2.3 */
1487 proto_tree_add_string(ColumnsTree, hf_dect_cc_TA, tvb, offset, 1, "[Qt]");
1488
1489 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_Qh, tvb, offset, 1, ENC_BIG_ENDIAN);
1490
1491 switch(tail_0>>4)
1492 {
1493 case 0: /* Static System Info */
1494 case 1:
1495 /* ETSI EN 300 175-3 V2.3.0 7.2.3.2 */
1496 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Static System Info");
1497
1498 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Nr, tvb, offset, 1, ENC_BIG_ENDIAN);
1499 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Sn, tvb, offset, 1, ENC_BIG_ENDIAN);
1500 offset++;
1501
1502 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Sp, tvb, offset, 1, ENC_BIG_ENDIAN);
1503 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Esc, tvb, offset, 1, ENC_BIG_ENDIAN);
1504 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Txs, tvb, offset, 1, ENC_BIG_ENDIAN);
1505 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Mc, tvb, offset, 1, ENC_BIG_ENDIAN);
1506
1507 proto_tree_add_none_format(ATail, hf_dect_A_Tail_Qt_0_CA, tvb, offset, 2, " Carrier%s%s%s%s%s%s%s%s%s%s available",
1508 (tail_1&0x02)?" 0":"", (tail_1&0x01)?" 1":"", (tail_2&0x80)?" 2":"",
1509 (tail_2&0x40)?" 3":"", (tail_2&0x20)?" 4":"", (tail_2&0x10)?" 5":"",
1510 (tail_2&0x08)?" 6":"", (tail_2&0x04)?" 7":"", (tail_2&0x02)?" 8":"",
1511 (tail_2&0x01)?" 9":"");
1512 offset+=2;
1513
1514 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Spr1, tvb, offset, 1, ENC_BIG_ENDIAN);
1515 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Cn, tvb, offset, 1, ENC_BIG_ENDIAN);
1516 offset++;
1517
1518 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_Spr2, tvb, offset, 1, ENC_BIG_ENDIAN);
1519 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_0_PSCN, tvb, offset, 1, ENC_BIG_ENDIAN);
1520 offset++;
1521 /* due to addition further down */
1522 offset-=5;
1523 break;
1524 case 2: /* Extended RF Carriers Part 1 */
1525 /* ETSI EN 300 175-3 V2.3.0 7.2.3.3 */
1526 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Extended RF Carriers Part 1");
1527 /* TODO */
1528 break;
1529 case 3: /* Fixed Part Capabilities */
1530 {
1531 static int * const cap1_flags[] = {
1532 &hf_dect_A_Tail_Qt_3_A12,
1533 &hf_dect_A_Tail_Qt_3_A13,
1534 &hf_dect_A_Tail_Qt_3_A14,
1535 &hf_dect_A_Tail_Qt_3_A15,
1536 NULL
1537 };
1538 static int * const cap2_flags[] = {
1539 &hf_dect_A_Tail_Qt_3_A16,
1540 &hf_dect_A_Tail_Qt_3_A17,
1541 &hf_dect_A_Tail_Qt_3_A18,
1542 &hf_dect_A_Tail_Qt_3_A19,
1543 &hf_dect_A_Tail_Qt_3_A20,
1544 &hf_dect_A_Tail_Qt_3_A21,
1545 &hf_dect_A_Tail_Qt_3_A22,
1546 &hf_dect_A_Tail_Qt_3_A23,
1547 NULL
1548 };
1549 static int * const cap3_flags[] = {
1550 &hf_dect_A_Tail_Qt_3_A24,
1551 &hf_dect_A_Tail_Qt_3_A25,
1552 &hf_dect_A_Tail_Qt_3_A26,
1553 &hf_dect_A_Tail_Qt_3_A27,
1554 &hf_dect_A_Tail_Qt_3_A28,
1555 &hf_dect_A_Tail_Qt_3_A29,
1556 &hf_dect_A_Tail_Qt_3_A30,
1557 &hf_dect_A_Tail_Qt_3_A31,
1558 NULL
1559 };
1560 static int * const cap4_flags[] = {
1561 &hf_dect_A_Tail_Qt_3_A32,
1562 &hf_dect_A_Tail_Qt_3_A33,
1563 &hf_dect_A_Tail_Qt_3_A34,
1564 &hf_dect_A_Tail_Qt_3_A35,
1565 &hf_dect_A_Tail_Qt_3_A36,
1566 &hf_dect_A_Tail_Qt_3_A37,
1567 &hf_dect_A_Tail_Qt_3_A38,
1568 &hf_dect_A_Tail_Qt_3_A39,
1569 NULL
1570 };
1571
1572 static int * const cap5_flags[] = {
1573 &hf_dect_A_Tail_Qt_3_A40,
1574 &hf_dect_A_Tail_Qt_3_A41,
1575 &hf_dect_A_Tail_Qt_3_A42,
1576 &hf_dect_A_Tail_Qt_3_A43,
1577 &hf_dect_A_Tail_Qt_3_A44,
1578 &hf_dect_A_Tail_Qt_3_A45,
1579 &hf_dect_A_Tail_Qt_3_A46,
1580 &hf_dect_A_Tail_Qt_3_A47,
1581 NULL
1582 };
1583
1584 /* ETSI EN 300 175-3 V2.3.0 7.2.3.4 */
1585 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Fixed Part Capabilities");
1586
1587 proto_tree_add_bitmask_list(ATail, tvb, offset, 1, cap1_flags, ENC_BIG_ENDIAN);
1588 proto_tree_add_bitmask_list(ATail, tvb, offset+1, 1, cap2_flags, ENC_BIG_ENDIAN);
1589 proto_tree_add_bitmask_list(ATail, tvb, offset+2, 1, cap3_flags, ENC_BIG_ENDIAN);
1590
1591 /* higher layer capabilities */
1592 proto_tree_add_bitmask_list(ATail, tvb, offset+3, 1, cap4_flags, ENC_BIG_ENDIAN);
1593 proto_tree_add_bitmask_list(ATail, tvb, offset+4, 1, cap5_flags, ENC_BIG_ENDIAN);
1594
1595 }
1596 break;
1597 case 4: /* Extended Fixed Part Capabilities */
1598 /* ETSI EN 300 175-3 V2.3.0 7.2.3.5 */
1599 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Extended Fixed Part Capabilities");
1600
1601
1602 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_CRFPHops, tvb, offset, 1, ENC_BIG_ENDIAN);
1603 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_CRFPEnc, tvb, offset, 1, ENC_BIG_ENDIAN);
1604 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_REFHops, tvb, offset, 2, ENC_BIG_ENDIAN);
1605 offset++;
1606
1607 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_REPCap, tvb, offset, 1, ENC_BIG_ENDIAN);
1608 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_Sync, tvb, offset, 1, ENC_BIG_ENDIAN);
1609 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A20, tvb, offset, 1, ENC_BIG_ENDIAN);
1610 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_MACSusp, tvb, offset, 1, ENC_BIG_ENDIAN);
1611 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_MACIpq, tvb, offset, 1, ENC_BIG_ENDIAN);
1612 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A23, tvb, offset, 1, ENC_BIG_ENDIAN);
1613 offset++;
1614
1615
1616 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A24, tvb, offset, 1, ENC_BIG_ENDIAN);
1617
1618 /* higher layer capabilities */
1619 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A25, tvb, offset, 1, ENC_BIG_ENDIAN);
1620 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A26, tvb, offset, 1, ENC_BIG_ENDIAN);
1621 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A27, tvb, offset, 1, ENC_BIG_ENDIAN);
1622 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A28, tvb, offset, 1, ENC_BIG_ENDIAN);
1623 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A29, tvb, offset, 1, ENC_BIG_ENDIAN);
1624 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A30, tvb, offset, 1, ENC_BIG_ENDIAN);
1625 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A31, tvb, offset, 1, ENC_BIG_ENDIAN);
1626 offset++;
1627
1628
1629 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A32, tvb, offset, 1, ENC_BIG_ENDIAN);
1630 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A33, tvb, offset, 1, ENC_BIG_ENDIAN);
1631 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A34, tvb, offset, 1, ENC_BIG_ENDIAN);
1632 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A35, tvb, offset, 1, ENC_BIG_ENDIAN);
1633 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A36, tvb, offset, 1, ENC_BIG_ENDIAN);
1634 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A37, tvb, offset, 1, ENC_BIG_ENDIAN);
1635 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A38, tvb, offset, 1, ENC_BIG_ENDIAN);
1636 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A39, tvb, offset, 1, ENC_BIG_ENDIAN);
1637 offset++;
1638
1639 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A40, tvb, offset, 1, ENC_BIG_ENDIAN);
1640 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A41, tvb, offset, 1, ENC_BIG_ENDIAN);
1641 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A42, tvb, offset, 1, ENC_BIG_ENDIAN);
1642 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A43, tvb, offset, 1, ENC_BIG_ENDIAN);
1643 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A44, tvb, offset, 1, ENC_BIG_ENDIAN);
1644 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A45, tvb, offset, 1, ENC_BIG_ENDIAN);
1645 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A46, tvb, offset, 1, ENC_BIG_ENDIAN);
1646 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_4_A47, tvb, offset, 1, ENC_BIG_ENDIAN);
1647 offset++;
1648
1649 /* due to addition further down */
1650 offset-=5;
1651 break;
1652 case 5: /* SARI List Contents */
1653 /* ETSI EN 300 175-3 V2.3.0 7.2.3.6 */
1654 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "SARI List Contents");
1655 /* TODO */
1656 break;
1657 case 6: /* Multi-Frame No */
1658 /* ETSI EN 300 175-3 V2.3.0 7.2.3.7 */
1659 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_6_Spare, tvb, offset, 2, ENC_BIG_ENDIAN);
1660 offset+=2;
1661
1662 wmem_strbuf_append_printf(afield_str,"Multi-Frame No.: %s",tvb_bytes_to_str(pinfo->pool, tvb, offset, 3));
1663 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, wmem_strbuf_get_str(afield_str));
1664
1665 proto_tree_add_item(ATail, hf_dect_A_Tail_Qt_6_Mfn, tvb, offset, 3, ENC_NA);
1666 offset+=3;
1667
1668 /* due to addition further down */
1669 offset-=5;
1670 break;
1671 case 7: /* Escape */
1672 /* ETSI EN 300 175-3 V2.3.0 7.2.3.8 */
1673 wmem_strbuf_append_printf(afield_str,"Escape Data: %s",tvb_bytes_to_str(pinfo->pool, tvb, offset, 5));
1674 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, wmem_strbuf_get_str(afield_str));
1675 break;
1676 case 8: /* Obsolete */
1677 /* ETSI EN 300 175-3 V2.3.0 7.2.3.1 */
1678 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Obsolete");
1679 break;
1680 case 9: /* Extended RF Carriers Part 2 */
1681 /* ETSI EN 300 175-3 V2.3.0 7.2.3.9 */
1682 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Extended RF Carriers Part 2");
1683 /* TODO */
1684 break;
1685 case 11: /* Transmit Information */
1686 /* ETSI EN 300 175-3 V2.3.0 7.2.3.10 */
1687 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Transmit Information");
1688 /* TODO */
1689 break;
1690 case 12: /* Extended Fixed Part Capabilities 2 */
1691 /* ETSI EN 300 175-3 V2.3.0 7.2.3.11 */
1692 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Extended Fixed Part Capabilities 2");
1693 /* TODO */
1694 break;
1695 case 10: /* Reserved */
1696 case 13:
1697 case 14:
1698 case 15:
1699 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Reserved");
1700 break;
1701 }
1702 }
1703 else if(ta==DECT_TA_ESC)
1704 {
1705 /* ETSI EN 300 175-3 V2.3.0 7.2.3.8 */
1706 /* Provide hook for escape message dissector */
1707 }
1708 else if((ta==DECT_TA_MT)||((ta==DECT_TA_MT_FIRST)&&(dect_packet_type==DECT_PACKET_PP)))
1709 {
1710 /* ETSI EN 300 175-3 V2.3.0 7.2.5 */
1711 proto_tree_add_string(ColumnsTree, hf_dect_cc_TA, tvb, offset, 1, "[Mt]");
1712
1713 proto_tree_add_uint(ATail, hf_dect_A_Tail_Mt_Mh, tvb, offset, 1, tail_0);
1714
1715 switch(tail_0>>4)
1716 {
1717 case 0: /* Basic Connection Control */
1718 /* ETSI EN 300 175-3 V2.3.0 7.2.5.2 */
1719 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Basic Connection Control");
1720 proto_tree_add_item(ATail, hf_dect_A_Tail_Mt_BasicConCtrl, tvb, offset, 1, ENC_BIG_ENDIAN);
1721 offset++;
1722
1723 if(((tail_0 & 0x0f)==6)||((tail_0 & 0x0f)==7))
1724 {
1725 /* TODO See ETSI EN 300 175-3 V2.3.0 7.2.5.2.4 */
1726 proto_tree_add_none_format(ATail, hf_dect_A_Tail_Mt_Mh_attr, tvb, offset, 4, "More infos at ETSI EN 300 175-3 V2.3.0 7.2.5.2.4");
1727 offset +=4;
1728 }
1729 else
1730 {
1731 proto_tree_add_item(ATail, hf_dect_A_Tail_Mt_Mh_fmid, tvb, offset, 2, ENC_BIG_ENDIAN);
1732 offset++;
1733
1734 proto_tree_add_item(ATail, hf_dect_A_Tail_Mt_Mh_pmid, tvb, offset, 3, ENC_BIG_ENDIAN);
1735 offset+=3;
1736 }
1737
1738 /* due to addition further down */
1739 offset-=5;
1740 break;
1741 case 1: /* Advanced Connection Control */
1742 /* ETSI EN 300 175-3 V2.3.0 7.2.5.3 */
1743 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Advanced Connection Control");
1744 break;
1745 case 2: /* MAC Layer Test Messages */
1746 /* ETSI EN 300 175-3 V2.3.0 7.2.5.4 */
1747 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "MAC Layer Test Messages");
1748 break;
1749 case 3: /* Quality Control */
1750 /* ETSI EN 300 175-3 V2.3.0 7.2.5.5 */
1751 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Quality Control");
1752 break;
1753 case 4: /* Broadcast and Connectionless Services */
1754 /* ETSI EN 300 175-3 V2.3.0 7.2.5.6 */
1755 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Broadcast and Connectionless Services");
1756 break;
1757 case 5: /* Encryption Control */
1758 /* ETSI EN 300 175-3 V2.3.0 7.2.5.7 */
1759 wmem_strbuf_append_printf(afield_str,"Encryption Control: %s %s",
1760 val_to_str((tail_0&0x0c)>>2, MTEncrCmd1_vals, "Error, please report: %d"),
1761 val_to_str(tail_0&0x03, MTEncrCmd2_vals, "Error, please report: %d"));
1762
1763 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, wmem_strbuf_get_str(afield_str));
1764
1765 proto_tree_add_item(ATail, hf_dect_A_Tail_Mt_Encr_Cmd1, tvb, offset, 1, ENC_BIG_ENDIAN);
1766 proto_tree_add_item(ATail, hf_dect_A_Tail_Mt_Encr_Cmd2, tvb, offset, 1, ENC_BIG_ENDIAN);
1767 offset++;
1768
1769 proto_tree_add_item(ATail, hf_dect_A_Tail_Mt_Mh_fmid, tvb, offset, 2, ENC_BIG_ENDIAN);
1770 offset++;
1771
1772 proto_tree_add_item(ATail, hf_dect_A_Tail_Mt_Mh_pmid, tvb, offset, 3, ENC_BIG_ENDIAN);
1773 offset+=3;
1774
1775 /* due to addition further down */
1776 offset-=5;
1777 break;
1778 case 6: /* Tail for use with the first Transmission of a B-Field \"bearer request\" Message */
1779 /* ETSI EN 300 175-3 V2.3.0 7.2.5.8 */
1780 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Tail for use with the first Transmission of a B-Field \"bearer request\" Message");
1781 break;
1782 case 7: /* Escape */
1783 /* ETSI EN 300 175-3 V2.3.0 7.2.5.9 */
1784 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Escape");
1785 break;
1786 case 8: /* TARI Message */
1787 /* ETSI EN 300 175-3 V2.3.0 7.2.5.10 */
1788 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "TARI Message");
1789 break;
1790 case 9: /* REP Connection Control */
1791 /* ETSI EN 300 175-3 V2.3.0 7.2.5.11 */
1792 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "REP Connection Control");
1793 break;
1794 case 10: /* Reserved */
1795 case 11:
1796 case 12:
1797 case 13:
1798 case 14:
1799 case 15:
1800 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, "Reserved");
1801 break;
1802 }
1803 }
1804 else if((ta==DECT_TA_PT)&&(dect_packet_type==DECT_PACKET_FP))
1805 {
1806 /* ETSI EN 300 175-3 V2.3.0 7.2.4 */
1807 proto_tree_add_string(ColumnsTree, hf_dect_cc_TA, tvb, offset, 1, "[Pt]");
1808
1809 proto_tree_add_item(ATail, hf_dect_A_Tail_Pt_ExtFlag, tvb, offset, 1, ENC_BIG_ENDIAN);
1810 proto_tree_add_item(ATail, hf_dect_A_Tail_Pt_SDU, tvb, offset, 1, ENC_BIG_ENDIAN);
1811
1812 if(((tail_0&0x70)>>4)&0xfe)
1813 wmem_strbuf_append_printf(afield_str,"%s, ",val_to_str((tail_0&0x70)>>4, PTSDU_vals, "Error, please report: %d"));
1814
1815 switch((tail_0&0x70)>>4)
1816 {
1817 case 0: /* Zero Length Page */
1818 case 1: /* Short Page */
1819 if(((tail_0&0x70)>>4)==0)
1820 {
1821 wmem_strbuf_append_printf(afield_str,"RFPI: xxxxx%.1x%.2x%.2x, ", (tail_0&0x0f), tail_1, tail_2);
1822 proto_tree_add_none_format(atailti, hf_dect_A_Tail_Pt_RFPI, tvb, offset, 3, "RFPI: xxxxx%.1x%.2x%.2x", (tail_0&0x0f), tail_1, tail_2);
1823 offset+=3;
1824
1825 proto_tree_add_item(ATail, hf_dect_A_Tail_Pt_InfoType, tvb, offset, 1, ENC_BIG_ENDIAN);
1826 }
1827 else
1828 {
1829 wmem_strbuf_append_printf(afield_str,"Bs Data: %.1x%.2x%.2x, ", (tail_0&0x0f), tail_1, tail_2);
1830 proto_tree_add_none_format(atailti, hf_dect_A_Tail_Pt_BsData, tvb, offset, 3, "Bs Data: %.1x%.2x%.2x", (tail_0&0x0f), tail_1, tail_2);
1831 offset+=3;
1832
1833 proto_tree_add_item(ATail, hf_dect_A_Tail_Pt_InfoType, tvb, offset, 1, ENC_BIG_ENDIAN);
1834 }
1835
1836 wmem_strbuf_append_printf(afield_str,"%s",val_to_str(tail_3>>4, PTInfoType_vals, "Error, please report: %d"));
1837
1838 switch(tail_3>>4)
1839 {
1840 case 0: /* Fill Bits */
1841 proto_tree_add_none_format(ATail, hf_dect_A_Tail_Pt_Fillbits, tvb, offset, 2, "Fillbits: %.1x%.2x", tail_3&0x0f, tail_4);
1842 offset+=2;
1843 break;
1844 case 1: /* Blind Full Slot Information for Circuit Mode Service */
1845 offset+=2;
1846 break;
1847 case 7: /* Escape */
1848 offset+=2;
1849 break;
1850 case 8: /* Dummy or connectionless Bearer Marker */
1851 proto_tree_add_none_format(ATail, hf_dect_A_Tail_Pt_SlotPairs, tvb, offset, 2, " Slot-Pairs: %s%s%s%s%s%s%s%s%s%s%s%s available",
1852 (tail_3&0x08)?" 0/12":"", (tail_3&0x04)?" 1/13":"", (tail_3&0x02)?" 2/14":"",
1853 (tail_3&0x01)?" 3/15":"", (tail_4&0x80)?" 4/16":"", (tail_4&0x40)?" 5/17":"",
1854 (tail_4&0x20)?" 6/18":"", (tail_4&0x10)?" 7/19":"", (tail_4&0x08)?" 8/20":"",
1855 (tail_4&0x04)?" 9/21":"", (tail_4&0x02)?" 10/22":"", (tail_4&0x01)?" 11/23":"");
1856
1857 offset+=2;
1858 break;
1859 case 2: /* Other Bearer */
1860 case 3: /* Recommended Other Bearer */
1861 case 4: /* Good RFP Bearer */
1862 case 5: /* Dummy or connectionless Bearer Position */
1863 case 12: /* Connectionless Bearer Position */
1864 proto_tree_add_item(ATail, hf_dect_A_Tail_Pt_Bearer_Sn, tvb, offset, 1, ENC_BIG_ENDIAN);
1865 offset++;
1866
1867 proto_tree_add_item(ATail, hf_dect_A_Tail_Pt_Bearer_Sp, tvb, offset, 1, ENC_BIG_ENDIAN);
1868 proto_tree_add_item(ATail, hf_dect_A_Tail_Pt_Bearer_Cn, tvb, offset, 1, ENC_BIG_ENDIAN);
1869 offset++;
1870 break;
1871 case 6: /* Extended Modulation Types */
1872 offset+=2;
1873 break;
1874 case 9: /* Bearer Handover/Replacement Information */
1875 offset+=2;
1876 break;
1877 case 10: /* RFP Status and Modulation Types */
1878 offset+=2;
1879 break;
1880 case 11: /* Active Carriers */
1881 offset+=2;
1882 break;
1883 case 13: /* RFP Power Level */
1884 offset+=2;
1885 break;
1886 case 14: /* Blind Double Slot/RFP-FP Interface Resource Information */
1887 offset+=2;
1888 break;
1889 case 15: /* Blind Full Slot Information for Packet Mode Service */
1890 offset+=2;
1891 break;
1892 }
1893 /* due to addition further down */
1894 offset-=5;
1895 break;
1896 case 2: /* Full Page */
1897 wmem_strbuf_append_printf(afield_str,"Full Page");
1898 break;
1899 case 3: /* MAC Resume Page */
1900 wmem_strbuf_append_printf(afield_str,"MAC Resume Page");
1901 break;
1902 case 4: /* Not the Last 36 Bits of a Long Page */
1903 wmem_strbuf_append_printf(afield_str,"Not the Last 36 Bits");
1904 break;
1905 case 5: /* The First 36 Bits of a Long Page */
1906 wmem_strbuf_append_printf(afield_str,"The First 36 Bits");
1907 break;
1908 case 6: /* The Last 36 Bits of a Long Page */
1909 wmem_strbuf_append_printf(afield_str,"The Last 36 Bits");
1910 break;
1911 case 7: /* All of a Long Page */
1912 wmem_strbuf_append_printf(afield_str,"All of a Long Page");
1913 break;
1914 }
1915
1916 proto_tree_add_string(ColumnsTree, hf_dect_cc_AField, tvb, offset, 1, wmem_strbuf_get_str(afield_str));
1917 }
1918
1919 offset+=5;
1920
1921 /* R-CRC */
1922 /* ETSI EN 300 175-3 V2.3.0 6.2.5.1 */
1923 tvb_memcpy(tvb, rcrcdat, DECT_PACKET_INFO_LEN, 6);
1924 rcrcdat[6]=0;
1925 rcrcdat[7]=0;
1926 computed_rcrc=calc_rcrc(rcrcdat);
1927 if(computed_rcrc!=rcrc)
1928 proto_tree_add_uint_format(afieldti, hf_dect_A_RCRC, tvb, offset, 2, 0, "R-CRC Error (Calc:%.4x, Recv:%.4x)", computed_rcrc, rcrc);
1929 else
1930 proto_tree_add_uint_format(afieldti, hf_dect_A_RCRC, tvb, offset, 2, 1, "R-CRC Match (Calc:%.4x, Recv:%.4x)", computed_rcrc, rcrc);
1931
1932 /*offset+=2;*/
1933 }
1934
1935 static int
1936 dissect_dect(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
1937 {
1938 proto_item *ti =NULL;
1939 proto_item *typeti =NULL;
1940 proto_tree *DectTree =NULL;
1941 gint offset =0;
1942
1943 guint16 type;
1944 guint pkt_len;
1945 guint8 ba;
1946
1947 /************************** Custom Columns ****************************/
1948 proto_item *columnstreeti;
1949 proto_tree *ColumnsTree;
1950
1951 col_set_str(pinfo->cinfo, COL_INFO, "Use Custom Columns for Infos");
1952
1953 col_set_str(pinfo->cinfo, COL_PROTOCOL, "DECT");
1954
1955 pkt_len=tvb_reported_length(tvb);
1956
1957 if(pkt_len<=DECT_PACKET_INFO_LEN)
1958 {
1959 col_set_str(pinfo->cinfo, COL_INFO, "No Data");
1960 return tvb_captured_length(tvb);
1961 }
1962
1963 ti=proto_tree_add_item(tree, proto_dect, tvb, 0, -1, ENC_NA);
1964 DectTree=proto_item_add_subtree(ti, ett_dect);
1965
1966 proto_tree_add_item(DectTree, hf_dect_transceivermode, tvb, offset, 1, ENC_BIG_ENDIAN);
1967 offset++;
1968
1969 proto_tree_add_item(DectTree, hf_dect_channel, tvb, offset, 1, ENC_BIG_ENDIAN);
1970 offset++;
1971
1972 proto_tree_add_item(DectTree, hf_dect_slot, tvb, offset, 2, ENC_BIG_ENDIAN);
1973 offset+=2;
1974
1975 proto_tree_add_item(DectTree, hf_dect_framenumber, tvb, offset, 1, ENC_BIG_ENDIAN);
1976 offset++;
1977
1978 proto_tree_add_item(DectTree, hf_dect_rssi, tvb, offset, 1, ENC_BIG_ENDIAN);
1979 offset++;
1980
1981 proto_tree_add_item(DectTree, hf_dect_preamble, tvb, offset, 3, ENC_NA);
1982 offset+=3;
1983
1984 typeti=proto_tree_add_item(DectTree, hf_dect_type, tvb, offset, 2, ENC_NA);
1985
1986 type=tvb_get_ntohs(tvb, offset);
1987 offset+=2;
1988
1989 columnstreeti = proto_tree_add_item(DectTree, hf_dect_cc, tvb, 0, 0, ENC_NA);
1990 ColumnsTree = proto_item_add_subtree(columnstreeti, ett_afield);
1991
1992 switch(type) {
1993 case 0x1675:
1994 col_set_str(pinfo->cinfo, COL_PROTOCOL, "DECT PP");
1995 proto_item_append_text(typeti, " Phone Packet");
1996 dissect_afield(DECT_PACKET_PP, &ba, pinfo, tvb, offset, DectTree, ColumnsTree);
1997 offset += DECT_AFIELD_SIZE;
1998 dissect_bfield(DECT_PACKET_PP, ba, pinfo, tvb, offset, DectTree, ColumnsTree);
1999 break;
2000 case 0xe98a:
2001 col_set_str(pinfo->cinfo, COL_PROTOCOL, "DECT RFP");
2002 proto_item_append_text(typeti, " Station Packet");
2003 dissect_afield(DECT_PACKET_FP, &ba, pinfo, tvb, offset, DectTree, ColumnsTree);
2004 offset += DECT_AFIELD_SIZE;
2005 dissect_bfield(DECT_PACKET_FP, ba, pinfo, tvb, offset, DectTree, ColumnsTree);
2006 break;
2007 default:
2008 col_set_str(pinfo->cinfo, COL_PROTOCOL, "DECT Unk");
2009 proto_item_append_text(typeti, " Unknown Packet");
2010 break;
2011 }
2012 return tvb_captured_length(tvb);
2013 }
2014
2015 void
2016 proto_register_dect(void)
2017 {
2018 static hf_register_info hf[]=
2019 {
2020 { &hf_dect_transceivermode,
2021 {"Transceiver-Mode", "dect.transceivermode", FT_UINT8, BASE_HEX, VALS(transceiver_mode),
2022 0x0, NULL, HFILL}},
2023
2024 { &hf_dect_channel,
2025 {"Channel", "dect.channel", FT_UINT8, BASE_DEC, NULL,
2026 0x0, NULL, HFILL}},
2027
2028 { &hf_dect_framenumber,
2029 {"Frame#", "dect.framenumber", FT_UINT16, BASE_DEC, NULL,
2030 0x0, NULL, HFILL}},
2031
2032 { &hf_dect_rssi,
2033 {"RSSI", "dect.rssi", FT_UINT8, BASE_DEC, NULL,
2034 0x0, NULL, HFILL}},
2035
2036 { &hf_dect_slot,
2037 {"Slot", "dect.slot", FT_UINT16, BASE_DEC, NULL,
2038 0x0, NULL, HFILL}},
2039
2040 { &hf_dect_preamble,
2041 {"Preamble", "dect.preamble", FT_BYTES, BASE_NONE, NULL,
2042 0x0, NULL, HFILL}},
2043
2044 { &hf_dect_type,
2045 {"Packet-Type", "dect.type", FT_BYTES, BASE_NONE, NULL,
2046 0x0, NULL, HFILL}},
2047
2048
2049 /* **************** Custom Columns ***********************/
2050
2051 { &hf_dect_cc,
2052 {"Columns", "dect.cc", FT_NONE, BASE_NONE, NULL,
2053 0x0, NULL, HFILL}},
2054
2055 { &hf_dect_cc_TA,
2056 {"TA", "dect.cc.TA", FT_STRING, BASE_NONE, NULL,
2057 0x0, NULL, HFILL}},
2058
2059 { &hf_dect_cc_AField,
2060 {"A-Field", "dect.cc.afield", FT_STRING, BASE_NONE, NULL,
2061 0x0, NULL, HFILL}},
2062
2063 { &hf_dect_cc_BField,
2064 {"B-Field", "dect.cc.bfield", FT_STRING, BASE_NONE, NULL,
2065 0x0, NULL, HFILL}},
2066
2067 /* **************** A-Field ******************************/
2068 /* ***** Header ***** */
2069 { &hf_dect_A,
2070 {"A-Field", "dect.afield", FT_BYTES, BASE_NONE, NULL,
2071 0x0, NULL, HFILL}},
2072
2073 { &hf_dect_A_Head,
2074 {"A-Field Header", "dect.afield.head", FT_UINT8, BASE_HEX, NULL,
2075 0x0, NULL, HFILL}},
2076
2077 { &hf_dect_A_Head_TA_FP,
2078 {"TA", "dect.afield.head.TA", FT_UINT8, BASE_DEC, VALS(TA_vals_FP),
2079 DECT_A_TA_MASK, NULL, HFILL}},
2080
2081 { &hf_dect_A_Head_TA_PP,
2082 {"TA", "dect.afield.head.TA", FT_UINT8, BASE_DEC, VALS(TA_vals_PP),
2083 DECT_A_TA_MASK, NULL, HFILL}},
2084
2085 { &hf_dect_A_Head_Q1,
2086 {"Q1", "dect.afield.head.Q1", FT_UINT8, BASE_DEC, NULL,
2087 DECT_A_Q1_MASK, NULL, HFILL}},
2088
2089 { &hf_dect_A_Head_BA,
2090 {"BA", "dect.afield.head.BA", FT_UINT8, BASE_DEC, VALS(BA_vals),
2091 DECT_A_BA_MASK, NULL, HFILL}},
2092
2093 { &hf_dect_A_Head_Q2,
2094 {"Q2", "dect.afield.head.Q2", FT_UINT8, BASE_DEC, NULL,
2095 DECT_A_Q2_MASK, NULL, HFILL}},
2096
2097 /* ***** Tail ***** */
2098 { &hf_dect_A_Tail,
2099 {"A-Field Tail", "dect.afield.tail", FT_NONE, BASE_NONE, NULL,
2100 0x0, NULL, HFILL}},
2101
2102 /* Nt */
2103 { &hf_dect_A_Tail_Nt,
2104 {"RFPI", "dect.afield.tail.Nt", FT_BYTES, BASE_NONE, NULL,
2105 0x0, "A-Field Tail: Nt/RFPI", HFILL}},
2106
2107 /* Qt */
2108 { &hf_dect_A_Tail_Qt_Qh,
2109 {"Qh", "dect.afield.tail.Qt.Qh", FT_UINT8, BASE_DEC, VALS(QTHead_vals),
2110 0xF0, NULL, HFILL}},
2111
2112 /* Qt Static System Information */
2113 /* Byte 0 */
2114 { &hf_dect_A_Tail_Qt_0_Nr,
2115 {"NR", "dect.afield.tail.Qt.NR", FT_UINT8, BASE_DEC, VALS(QTNormalReverse_vals),
2116 0x10, NULL, HFILL}},
2117
2118 { &hf_dect_A_Tail_Qt_0_Sn,
2119 {"SN", "dect.afield.tail.Qt.SN", FT_UINT8, BASE_DEC, VALS(QTSlotNumber_vals),
2120 0x0F, NULL, HFILL}},
2121
2122 /* Byte 1 */
2123 { &hf_dect_A_Tail_Qt_0_Sp,
2124 {"SP", "dect.afield.tail.Qt.SP", FT_UINT8, BASE_DEC, VALS(QTStartPosition_vals),
2125 0xC0, NULL, HFILL}},
2126
2127 { &hf_dect_A_Tail_Qt_0_Esc,
2128 {"Esc", "dect.afield.tail.Qt.Esc", FT_UINT8, BASE_DEC, VALS(QTEscape_vals),
2129 0x20, NULL, HFILL}},
2130
2131 { &hf_dect_A_Tail_Qt_0_Txs,
2132 {"Txs", "dect.afield.tail.Qt.Txs", FT_UINT8, BASE_DEC, VALS(QTTransceiver_vals),
2133 0x18, NULL, HFILL}},
2134
2135 { &hf_dect_A_Tail_Qt_0_Mc,
2136 {"Mc", "dect.afield.tail.Qt.Mc", FT_UINT8, BASE_DEC, VALS(QTExtendedCarrier_vals),
2137 0x04, NULL, HFILL}},
2138
2139 /* Byte 2 */
2140 { &hf_dect_A_Tail_Qt_0_CA,
2141 {"CA", "dect.afield.tail.Qt.CA", FT_NONE, BASE_NONE, NULL,
2142 0x0, NULL, HFILL}},
2143
2144 /* Byte 3 */
2145 { &hf_dect_A_Tail_Qt_0_Spr1,
2146 {"Spr1", "dect.afield.tail.Qt.Spr1", FT_UINT8, BASE_DEC, VALS(QTSpr_vals),
2147 0xC0, NULL, HFILL}},
2148
2149 { &hf_dect_A_Tail_Qt_0_Cn,
2150 {"CN", "dect.afield.tail.Qt.CN", FT_UINT8, BASE_DEC, VALS(QTCarrierNumber_vals),
2151 0x3F, NULL, HFILL}},
2152
2153 /* Byte 4 */
2154 { &hf_dect_A_Tail_Qt_0_Spr2,
2155 {"Spr2", "dect.afield.tail.Qt.Spr2", FT_UINT8, BASE_DEC, VALS(QTSpr_vals),
2156 0xC0, NULL, HFILL}},
2157
2158 { &hf_dect_A_Tail_Qt_0_PSCN,
2159 {"PSCN", "dect.afield.tail.Qt.PSCN", FT_UINT8, BASE_DEC, VALS(QTScanCarrierNum_vals),
2160 0x3F, NULL, HFILL}},
2161
2162 /* Qt Fixed Part Capabilities */
2163 { &hf_dect_A_Tail_Qt_3_A12,
2164 {"A12", "dect.afield.tail.Qt.Fp.A12", FT_UINT8, BASE_DEC, VALS(Qt_A12_vals),
2165 0x08, NULL, HFILL}},
2166
2167 { &hf_dect_A_Tail_Qt_3_A13,
2168 {"A13", "dect.afield.tail.Qt.Fp.A13", FT_UINT8, BASE_DEC, VALS(Qt_A13_vals),
2169 0x04, NULL, HFILL}},
2170
2171 { &hf_dect_A_Tail_Qt_3_A14,
2172 {"A14", "dect.afield.tail.Qt.Fp.A14", FT_UINT8, BASE_DEC, VALS(Qt_A14_vals),
2173 0x02, NULL, HFILL}},
2174
2175 { &hf_dect_A_Tail_Qt_3_A15,
2176 {"A15", "dect.afield.tail.Qt.Fp.A15", FT_UINT8, BASE_DEC, VALS(Qt_A15_vals),
2177 0x01, NULL, HFILL}},
2178
2179 { &hf_dect_A_Tail_Qt_3_A16,
2180 {"A16", "dect.afield.tail.Qt.Fp.A16", FT_UINT8, BASE_DEC, VALS(Qt_A16_vals),
2181 0x80, NULL, HFILL}},
2182
2183 { &hf_dect_A_Tail_Qt_3_A17,
2184 {"A17", "dect.afield.tail.Qt.Fp.A17", FT_UINT8, BASE_DEC, VALS(Qt_A17_vals),
2185 0x40, NULL, HFILL}},
2186
2187 { &hf_dect_A_Tail_Qt_3_A18,
2188 {"A18", "dect.afield.tail.Qt.Fp.A18", FT_UINT8, BASE_DEC, VALS(Qt_A18_vals),
2189 0x20, NULL, HFILL}},
2190
2191 { &hf_dect_A_Tail_Qt_3_A19,
2192 {"A19", "dect.afield.tail.Qt.Fp.A19", FT_UINT8, BASE_DEC, VALS(Qt_A19_vals),
2193 0x10, NULL, HFILL}},
2194
2195 { &hf_dect_A_Tail_Qt_3_A20,
2196 {"A20", "dect.afield.tail.Qt.Fp.A20", FT_UINT8, BASE_DEC, VALS(Qt_A20_vals),
2197 0x08, NULL, HFILL}},
2198
2199 { &hf_dect_A_Tail_Qt_3_A21,
2200 {"A21", "dect.afield.tail.Qt.Fp.A21", FT_UINT8, BASE_DEC, VALS(Qt_A21_vals),
2201 0x04, NULL, HFILL}},
2202
2203 { &hf_dect_A_Tail_Qt_3_A22,
2204 {"A22", "dect.afield.tail.Qt.Fp.A22", FT_UINT8, BASE_DEC, VALS(Qt_A22_vals),
2205 0x02, NULL, HFILL}},
2206
2207 { &hf_dect_A_Tail_Qt_3_A23,
2208 {"A23", "dect.afield.tail.Qt.Fp.A23", FT_UINT8, BASE_DEC, VALS(Qt_A23_vals),
2209 0x01, NULL, HFILL}},
2210
2211 { &hf_dect_A_Tail_Qt_3_A24,
2212 {"A24", "dect.afield.tail.Qt.Fp.A24", FT_UINT8, BASE_DEC, VALS(Qt_A24_vals),
2213 0x80, NULL, HFILL}},
2214
2215 { &hf_dect_A_Tail_Qt_3_A25,
2216 {"A25", "dect.afield.tail.Qt.Fp.A25", FT_UINT8, BASE_DEC, VALS(Qt_A25_vals),
2217 0x40, NULL, HFILL}},
2218
2219 { &hf_dect_A_Tail_Qt_3_A26,
2220 {"A26", "dect.afield.tail.Qt.Fp.A26", FT_UINT8, BASE_DEC, VALS(Qt_A26_vals),
2221 0x20, NULL, HFILL}},
2222
2223 { &hf_dect_A_Tail_Qt_3_A27,
2224 {"A27", "dect.afield.tail.Qt.Fp.A27", FT_UINT8, BASE_DEC, VALS(Qt_A27_vals),
2225 0x10, NULL, HFILL}},
2226
2227 { &hf_dect_A_Tail_Qt_3_A28,
2228 {"A28", "dect.afield.tail.Qt.Fp.A28", FT_UINT8, BASE_DEC, VALS(Qt_A28_vals),
2229 0x08, NULL, HFILL}},
2230
2231 { &hf_dect_A_Tail_Qt_3_A29,
2232 {"A29", "dect.afield.tail.Qt.Fp.A29", FT_UINT8, BASE_DEC, VALS(Qt_A29_vals),
2233 0x04, NULL, HFILL}},
2234
2235 { &hf_dect_A_Tail_Qt_3_A30,
2236 {"A30", "dect.afield.tail.Qt.Fp.A30", FT_UINT8, BASE_DEC, VALS(Qt_A30_vals),
2237 0x02, NULL, HFILL}},
2238
2239 { &hf_dect_A_Tail_Qt_3_A31,
2240 {"A31", "dect.afield.tail.Qt.Fp.A31", FT_UINT8, BASE_DEC, VALS(Qt_A31_vals),
2241 0x01, NULL, HFILL}},
2242
2243
2244 /* higher layer capabilities */
2245 { &hf_dect_A_Tail_Qt_3_A32,
2246 {"A32", "dect.afield.tail.Qt.Fp.A32", FT_UINT8, BASE_DEC, VALS(Qt_A32_vals),
2247 0x80, NULL, HFILL}},
2248
2249 { &hf_dect_A_Tail_Qt_3_A33,
2250 {"A33", "dect.afield.tail.Qt.Fp.A33", FT_UINT8, BASE_DEC, VALS(Qt_A33_vals),
2251 0x40, NULL, HFILL}},
2252
2253 { &hf_dect_A_Tail_Qt_3_A34,
2254 {"A34", "dect.afield.tail.Qt.Fp.A34", FT_UINT8, BASE_DEC, VALS(Qt_A34_vals),
2255 0x20, NULL, HFILL}},
2256
2257 { &hf_dect_A_Tail_Qt_3_A35,
2258 {"A35", "dect.afield.tail.Qt.Fp.A35", FT_UINT8, BASE_DEC, VALS(Qt_A35_vals),
2259 0x10, NULL, HFILL}},
2260
2261 { &hf_dect_A_Tail_Qt_3_A36,
2262 {"A36", "dect.afield.tail.Qt.Fp.A36", FT_UINT8, BASE_DEC, VALS(Qt_A36_vals),
2263 0x08, NULL, HFILL}},
2264
2265 { &hf_dect_A_Tail_Qt_3_A37,
2266 {"A37", "dect.afield.tail.Qt.Fp.A37", FT_UINT8, BASE_DEC, VALS(Qt_A37_vals),
2267 0x04, NULL, HFILL}},
2268
2269 { &hf_dect_A_Tail_Qt_3_A38,
2270 {"A38", "dect.afield.tail.Qt.Fp.A38", FT_UINT8, BASE_DEC, VALS(Qt_A38_vals),
2271 0x02, NULL, HFILL}},
2272
2273 { &hf_dect_A_Tail_Qt_3_A39,
2274 {"A39", "dect.afield.tail.Qt.Fp.A39", FT_UINT8, BASE_DEC, VALS(Qt_A39_vals),
2275 0x01, NULL, HFILL}},
2276
2277 { &hf_dect_A_Tail_Qt_3_A40,
2278 {"A40", "dect.afield.tail.Qt.Fp.A40", FT_UINT8, BASE_DEC, VALS(Qt_A40_vals),
2279 0x80, NULL, HFILL}},
2280
2281 { &hf_dect_A_Tail_Qt_3_A41,
2282 {"A41", "dect.afield.tail.Qt.Fp.A41", FT_UINT8, BASE_DEC, VALS(Qt_A41_vals),
2283 0x40, NULL, HFILL}},
2284
2285 { &hf_dect_A_Tail_Qt_3_A42,
2286 {"A42", "dect.afield.tail.Qt.Fp.A42", FT_UINT8, BASE_DEC, VALS(Qt_A42_vals),
2287 0x20, NULL, HFILL}},
2288
2289 { &hf_dect_A_Tail_Qt_3_A43,
2290 {"A43", "dect.afield.tail.Qt.Fp.A43", FT_UINT8, BASE_DEC, VALS(Qt_A43_vals),
2291 0x10, NULL, HFILL}},
2292
2293 { &hf_dect_A_Tail_Qt_3_A44,
2294 {"A44", "dect.afield.tail.Qt.Fp.A44", FT_UINT8, BASE_DEC, VALS(Qt_A44_vals),
2295 0x08, NULL, HFILL}},
2296
2297 { &hf_dect_A_Tail_Qt_3_A45,
2298 {"A45", "dect.afield.tail.Qt.Fp.A45", FT_UINT8, BASE_DEC, VALS(Qt_A45_vals),
2299 0x04, NULL, HFILL}},
2300
2301 { &hf_dect_A_Tail_Qt_3_A46,
2302 {"A46", "dect.afield.tail.Qt.Fp.A46", FT_UINT8, BASE_DEC, VALS(Qt_A46_vals),
2303 0x02, NULL, HFILL}},
2304
2305 { &hf_dect_A_Tail_Qt_3_A47,
2306 {"A47", "dect.afield.tail.Qt.Fp.A47", FT_UINT8, BASE_DEC, VALS(Qt_A47_vals),
2307 0x01, NULL, HFILL}},
2308
2309 /* Qt Extended Fixed Part Capabilities */
2310
2311 { &hf_dect_A_Tail_Qt_4_CRFPHops,
2312 {"CRFP Hops", "dect.afield.tail.Qt.Efp.CRFPHops", FT_UINT8, BASE_DEC, VALS(Qt_CRFPHops_vals),
2313 0x0C, NULL, HFILL}},
2314
2315 { &hf_dect_A_Tail_Qt_4_CRFPEnc,
2316 {"CRFP Enc", "dect.afield.tail.Qt.Efp.CRFPEnc", FT_UINT8, BASE_DEC, VALS(Qt_CRFPEnc_vals),
2317 0x02, NULL, HFILL}},
2318
2319 { &hf_dect_A_Tail_Qt_4_REFHops,
2320 {"REP Hops", "dect.afield.tail.Qt.Efp.REPHops", FT_UINT16, BASE_DEC, VALS(Qt_REPHops_vals),
2321 0x0180, NULL, HFILL}},
2322
2323 { &hf_dect_A_Tail_Qt_4_REPCap,
2324 {"REP Cap.", "dect.afield.tail.Qt.Efp.REPCap", FT_UINT8, BASE_DEC, VALS(Qt_REPCap_vals),
2325 0x40, NULL, HFILL}},
2326
2327 { &hf_dect_A_Tail_Qt_4_Sync,
2328 {"Sync", "dect.afield.tail.Qt.Efp.Sync", FT_UINT8, BASE_DEC, VALS(Qt_Sync_vals),
2329 0x30, NULL, HFILL}},
2330
2331 { &hf_dect_A_Tail_Qt_4_A20,
2332 {"A20", "dect.afield.tail.Qt.Efp.A20", FT_UINT8, BASE_DEC, VALS(Qt_EA20_vals),
2333 0x08, NULL, HFILL}},
2334
2335 { &hf_dect_A_Tail_Qt_4_MACSusp,
2336 {"MAC Suspend", "dect.afield.tail.Qt.Efp.MACSusp", FT_UINT8, BASE_DEC, VALS(Qt_MACSusp_vals),
2337 0x04, NULL, HFILL}},
2338
2339 { &hf_dect_A_Tail_Qt_4_MACIpq,
2340 {"MAC Ipq", "dect.afield.tail.Qt.Efp.MACIpq", FT_UINT8, BASE_DEC, VALS(Qt_MACIpq_vals),
2341 0x02, NULL, HFILL}},
2342
2343 { &hf_dect_A_Tail_Qt_4_A23,
2344 {"A23", "dect.afield.tail.Qt.Efp.A23", FT_UINT8, BASE_DEC, VALS(Qt_EA23_vals),
2345 0x01, NULL, HFILL}},
2346
2347 { &hf_dect_A_Tail_Qt_4_A24,
2348 {"A24", "dect.afield.tail.Qt.Efp.A24", FT_UINT8, BASE_DEC, VALS(Qt_EA24_vals),
2349 0x80, NULL, HFILL}},
2350
2351
2352 /* Higher Layer Capabilities */
2353
2354 { &hf_dect_A_Tail_Qt_4_A25,
2355 {"A25", "dect.afield.tail.Qt.Efp.A25", FT_UINT8, BASE_DEC, VALS(Qt_EA25_vals),
2356 0x40, NULL, HFILL}},
2357
2358 { &hf_dect_A_Tail_Qt_4_A26,
2359 {"A26", "dect.afield.tail.Qt.Efp.A26", FT_UINT8, BASE_DEC, VALS(Qt_EA26_vals),
2360 0x20, NULL, HFILL}},
2361
2362 { &hf_dect_A_Tail_Qt_4_A27,
2363 {"A27", "dect.afield.tail.Qt.Efp.A27", FT_UINT8, BASE_DEC, VALS(Qt_EA27_vals),
2364 0x10, NULL, HFILL}},
2365
2366 { &hf_dect_A_Tail_Qt_4_A28,
2367 {"A28", "dect.afield.tail.Qt.Efp.A28", FT_UINT8, BASE_DEC, VALS(Qt_EA28_vals),
2368 0x08, NULL, HFILL}},
2369
2370 { &hf_dect_A_Tail_Qt_4_A29,
2371 {"A29", "dect.afield.tail.Qt.Efp.A29", FT_UINT8, BASE_DEC, VALS(Qt_EA29_vals),
2372 0x04, NULL, HFILL}},
2373
2374 { &hf_dect_A_Tail_Qt_4_A30,
2375 {"A30", "dect.afield.tail.Qt.Efp.A30", FT_UINT8, BASE_DEC, VALS(Qt_EA30_vals),
2376 0x02, NULL, HFILL}},
2377
2378 { &hf_dect_A_Tail_Qt_4_A31,
2379 {"A31", "dect.afield.tail.Qt.Efp.A31", FT_UINT8, BASE_DEC, VALS(Qt_EA31_vals),
2380 0x01, NULL, HFILL}},
2381
2382 { &hf_dect_A_Tail_Qt_4_A32,
2383 {"A32", "dect.afield.tail.Qt.Efp.A32", FT_UINT8, BASE_DEC, VALS(Qt_EA32_vals),
2384 0x80, NULL, HFILL}},
2385
2386 { &hf_dect_A_Tail_Qt_4_A33,
2387 {"A33", "dect.afield.tail.Qt.Efp.A33", FT_UINT8, BASE_DEC, VALS(Qt_EA33_vals),
2388 0x40, NULL, HFILL}},
2389
2390 { &hf_dect_A_Tail_Qt_4_A34,
2391 {"A34", "dect.afield.tail.Qt.Efp.A34", FT_UINT8, BASE_DEC, VALS(Qt_EA34_vals),
2392 0x20, NULL, HFILL}},
2393
2394 { &hf_dect_A_Tail_Qt_4_A35,
2395 {"A35", "dect.afield.tail.Qt.Efp.A35", FT_UINT8, BASE_DEC, VALS(Qt_EA35_vals),
2396 0x10, NULL, HFILL}},
2397
2398 { &hf_dect_A_Tail_Qt_4_A36,
2399 {"A36", "dect.afield.tail.Qt.Efp.A36", FT_UINT8, BASE_DEC, VALS(Qt_EA36_vals),
2400 0x08, NULL, HFILL}},
2401
2402 { &hf_dect_A_Tail_Qt_4_A37,
2403 {"A37", "dect.afield.tail.Qt.Efp.A37", FT_UINT8, BASE_DEC, VALS(Qt_EA37_vals),
2404 0x04, NULL, HFILL}},
2405
2406 { &hf_dect_A_Tail_Qt_4_A38,
2407 {"A38", "dect.afield.tail.Qt.Efp.A38", FT_UINT8, BASE_DEC, VALS(Qt_EA38_vals),
2408 0x02, NULL, HFILL}},
2409
2410 { &hf_dect_A_Tail_Qt_4_A39,
2411 {"A39", "dect.afield.tail.Qt.Efp.A39", FT_UINT8, BASE_DEC, VALS(Qt_EA39_vals),
2412 0x01, NULL, HFILL}},
2413
2414 { &hf_dect_A_Tail_Qt_4_A40,
2415 {"A40", "dect.afield.tail.Qt.Efp.A40", FT_UINT8, BASE_DEC, VALS(Qt_EA40_vals),
2416 0x80, NULL, HFILL}},
2417
2418 { &hf_dect_A_Tail_Qt_4_A41,
2419 {"A41", "dect.afield.tail.Qt.Efp.A41", FT_UINT8, BASE_DEC, VALS(Qt_EA41_vals),
2420 0x40, NULL, HFILL}},
2421
2422 { &hf_dect_A_Tail_Qt_4_A42,
2423 {"A42", "dect.afield.tail.Qt.Efp.A42", FT_UINT8, BASE_DEC, VALS(Qt_EA42_vals),
2424 0x20, NULL, HFILL}},
2425
2426 { &hf_dect_A_Tail_Qt_4_A43,
2427 {"A43", "dect.afield.tail.Qt.Efp.A43", FT_UINT8, BASE_DEC, VALS(Qt_EA43_vals),
2428 0x10, NULL, HFILL}},
2429
2430 { &hf_dect_A_Tail_Qt_4_A44,
2431 {"A44", "dect.afield.tail.Qt.Efp.A44", FT_UINT8, BASE_DEC, VALS(Qt_EA44_vals),
2432 0x08, NULL, HFILL}},
2433
2434 { &hf_dect_A_Tail_Qt_4_A45,
2435 {"A45", "dect.afield.tail.Qt.Efp.A45", FT_UINT8, BASE_DEC, VALS(Qt_EA45_vals),
2436 0x04, NULL, HFILL}},
2437
2438 { &hf_dect_A_Tail_Qt_4_A46,
2439 {"A46", "dect.afield.tail.Qt.Efp.A46", FT_UINT8, BASE_DEC, VALS(Qt_EA46_vals),
2440 0x02, NULL, HFILL}},
2441
2442 { &hf_dect_A_Tail_Qt_4_A47,
2443 {"A47", "dect.afield.tail.Qt.Efp.A47", FT_UINT8, BASE_DEC, VALS(Qt_EA47_vals),
2444 0x01, NULL, HFILL}},
2445
2446
2447 /* Qt Multiframe Number */
2448 { &hf_dect_A_Tail_Qt_6_Spare,
2449 {"Spare Bits", "dect.afield.tail.Qt.Mfn.Spare", FT_UINT16, BASE_HEX, NULL,
2450 0x0FFF, NULL, HFILL}},
2451
2452 { &hf_dect_A_Tail_Qt_6_Mfn,
2453 {"Multiframe Number", "dect.afield.tail.Qt.Mfn.Mfn", FT_BYTES, BASE_NONE, NULL,
2454 0x0, NULL, HFILL}},
2455
2456
2457 /* Mt */
2458 { &hf_dect_A_Tail_Mt_Mh,
2459 {"Mh", "dect.afield.tail.Mt.Mh", FT_UINT8, BASE_DEC, VALS(MTHead_vals),
2460 0xF0, NULL, HFILL}},
2461
2462 { &hf_dect_A_Tail_Mt_Mh_attr,
2463 {"Mh", "dect.afield.tail.Mt.Mh.attr", FT_NONE, BASE_NONE, NULL,
2464 0x0, NULL, HFILL}},
2465
2466 { &hf_dect_A_Tail_Mt_Mh_fmid,
2467 {"Mh/FMID", "dect.afield.tail.Mt.Mh.fmid", FT_UINT16, BASE_HEX, NULL,
2468 0xFFF0, NULL, HFILL}},
2469
2470 { &hf_dect_A_Tail_Mt_Mh_pmid,
2471 {"Mh/PMID", "dect.afield.tail.Mt.Mh.pmid", FT_UINT24, BASE_HEX, NULL,
2472 0x0FFFFF, NULL, HFILL}},
2473
2474 /* Mt Basic Connection Control */
2475 { &hf_dect_A_Tail_Mt_BasicConCtrl,
2476 {"Cmd", "dect.afield.tail.Mt.BasicConCtrl", FT_UINT8, BASE_DEC, VALS(MTBasicConCtrl_vals),
2477 0x0F, NULL, HFILL}},
2478
2479 /* Mt Encryption Control */
2480 { &hf_dect_A_Tail_Mt_Encr_Cmd1,
2481 {"Cmd1", "dect.afield.tail.Mt.Encr.Cmd1", FT_UINT8, BASE_DEC, VALS(MTEncrCmd1_vals),
2482 0x0C, NULL, HFILL}},
2483
2484 { &hf_dect_A_Tail_Mt_Encr_Cmd2,
2485 {"Cmd2", "dect.afield.tail.Mt.Encr.Cmd2", FT_UINT8, BASE_DEC, VALS(MTEncrCmd2_vals),
2486 0x03, NULL, HFILL}},
2487
2488 /* Pt */
2489 { &hf_dect_A_Tail_Pt_ExtFlag,
2490 {"ExtFlag", "dect.afield.tail.Pt.ExtFlag", FT_UINT8, BASE_DEC, VALS(PTExtFlag_vals),
2491 0x80, NULL, HFILL}},
2492
2493 { &hf_dect_A_Tail_Pt_SDU,
2494 {"Bs SDU", "dect.afield.tail.Pt.SDU", FT_UINT8, BASE_DEC, VALS(PTSDU_vals),
2495 0x70, NULL, HFILL}},
2496
2497 { &hf_dect_A_Tail_Pt_RFPI,
2498 {"InfoType", "dect.afield.tail.Pt.RFPI", FT_NONE, BASE_NONE, NULL,
2499 0x0, NULL, HFILL}},
2500
2501 { &hf_dect_A_Tail_Pt_BsData,
2502 {"Bs Data", "dect.afield.tail.Pt.BsData", FT_NONE, BASE_NONE, NULL,
2503 0x0, NULL, HFILL}},
2504
2505 { &hf_dect_A_Tail_Pt_InfoType,
2506 {"InfoType", "dect.afield.tail.Pt.InfoType", FT_UINT8, BASE_DEC, VALS(PTInfoType_vals),
2507 0xF0, NULL, HFILL}},
2508
2509 { &hf_dect_A_Tail_Pt_Fillbits,
2510 {"FillBits", "dect.afield.tail.Pt.FillBits", FT_NONE, BASE_NONE, NULL,
2511 0x0, NULL, HFILL}},
2512
2513 { &hf_dect_A_Tail_Pt_SlotPairs,
2514 {"SlotPairs", "dect.afield.tail.Pt.SlotPairs", FT_NONE, BASE_NONE, NULL,
2515 0x0, NULL, HFILL}},
2516
2517 { &hf_dect_A_Tail_Pt_Bearer_Sn,
2518 {"SN", "dect.afield.tail.Pt.SN", FT_UINT8, BASE_DEC, VALS(QTSlotNumber_vals),
2519 0x0F, NULL, HFILL}},
2520
2521 { &hf_dect_A_Tail_Pt_Bearer_Sp,
2522 {"SP", "dect.afield.tail.Pt.SP", FT_UINT8, BASE_DEC, VALS(QTStartPosition_vals),
2523 0xC0, NULL, HFILL}},
2524
2525 { &hf_dect_A_Tail_Pt_Bearer_Cn,
2526 {"CN", "dect.afield.tail.Pt.CN", FT_UINT8, BASE_DEC, VALS(QTCarrierNumber_vals),
2527 0x3F, NULL, HFILL}},
2528
2529 /* ***** R-CRC ***** */
2530 { &hf_dect_A_RCRC,
2531 {"A-Field R-CRC", "dect.afield.rcrc", FT_UINT8, BASE_DEC, NULL,
2532 0x0, NULL, HFILL}},
2533
2534 /* ***************** B-Field *************************** */
2535 { &hf_dect_B,
2536 {"B-Field", "dect.bfield", FT_BYTES, BASE_NONE,
2537 0x0, 0x0, NULL, HFILL}},
2538
2539 { &hf_dect_B_Data,
2540 {"B-Field", "dect.bfield.data", FT_NONE, BASE_NONE, NULL,
2541 0x0, NULL, HFILL}},
2542
2543 { &hf_dect_B_DescrambledData,
2544 {"Descrambled Data", "dect.bfield.descrdata", FT_NONE, BASE_NONE,
2545 0x0, 0x0, NULL, HFILL}},
2546
2547 { &hf_dect_B_fn,
2548 {"B-Field", "dect.bfield.framenumber", FT_NONE, BASE_NONE, NULL,
2549 0x0, NULL, HFILL}},
2550
2551 /* ***** X-CRC ***** */
2552 { &hf_dect_B_XCRC,
2553 {"B-Field X-CRC", "dect.bfield.xcrc", FT_UINT8, BASE_DEC, NULL,
2554 0x0, NULL, HFILL}}
2555 };
2556
2557
2558 /* Setup protocol subtree array */
2559 static gint *ett[]=
2560 {
2561 &ett_dect,
2562 &ett_columns,
2563 &ett_ahead,
2564 &ett_afield,
2565 &ett_atail,
2566 &ett_aqt,
2567 &ett_bfield,
2568 &ett_bfdescrdata
2569 };
2570
2571 proto_dect=proto_register_protocol("DECT Protocol", "DECT", "dect");
2572 proto_register_field_array(proto_dect, hf, array_length(hf));
2573 proto_register_subtree_array(ett, array_length(ett));
2574
2575 register_dissector("dect", dissect_dect, proto_dect);
2576 }
2577
2578 void
2579 proto_reg_handoff_dect(void)
2580 {
2581 dissector_handle_t dect_handle;
2582
2583 dect_handle = create_dissector_handle(dissect_dect, proto_dect);
2584 dissector_add_uint("ethertype", ETHERTYPE_DECT , dect_handle);
2585 }
2586
2587 /*
2588 * Editor modelines - https://www.wireshark.org/tools/modelines.html
2589 *
2590 * Local variables:
2591 * c-basic-offset: 8
2592 * tab-width: 8
2593 * indent-tabs-mode: t
2594 * End:
2595 *
2596 * vi: set shiftwidth=8 tabstop=8 noexpandtab:
2597 * :indentSize=8:tabSize=8:noTabs=false:
2598 */
2599