aboutsummaryrefslogtreecommitdiffstats
path: root/epan/dissectors/packet-ieee802154.h
blob: eaf10a81c47314f0a62cb2d9e955ba62003b9bdb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
/* packet-ieee802154.h
 *
 * IEEE 802.15.4 Dissectors for Wireshark
 * By Owen Kirby <osk@exegin.com>
 * Copyright 2007 Exegin Technologies Limited
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#ifndef PACKET_IEEE802154_H
#define PACKET_IEEE802154_H

/* Protocol Abbreviation */
#define IEEE802154_PROTOABBREV_WPAN         "wpan"
#define IEEE802154_PROTOABBREV_WPAN_BEACON  "wpan.beacon"
/* PANID dissector list is for Decode-As and stateful dissection only. */
#define IEEE802154_PROTOABBREV_WPAN_PANID   "wpan.panid"

/*  Packet Overhead from MAC header + footer (excluding addressing) */
#define IEEE802154_MAX_FRAME_LEN            127
#define IEEE802154_FCS_LEN                  2

/*  Command Frame Identifier Types Definions */
#define IEEE802154_CMD_ASSOC_REQ                0x01
#define IEEE802154_CMD_ASSOC_RSP                0x02
#define IEEE802154_CMD_DISASSOC_NOTIFY          0x03
#define IEEE802154_CMD_DATA_RQ                  0x04
#define IEEE802154_CMD_PANID_CONFLICT           0x05
#define IEEE802154_CMD_ORPHAN_NOTIFY            0x06
#define IEEE802154_CMD_BEACON_REQ               0x07
#define IEEE802154_CMD_COORD_REALIGN            0x08
#define IEEE802154_CMD_GTS_REQ                  0x09
#define IEEE802154_CMD_TRLE_MGMT_REQ            0x0a
#define IEEE802154_CMD_TRLE_MGMT_RSP            0x0b
/* 0x0c-0x12 reserved in IEEE802.15.4-2015 */
#define IEEE802154_CMD_DSME_ASSOC_REQ           0x13
#define IEEE802154_CMD_DSME_ASSOC_RSP           0x14
#define IEEE802154_CMD_DSME_GTS_REQ             0x15
#define IEEE802154_CMD_DSME_GTS_RSP             0x16
#define IEEE802154_CMD_DSME_GTS_NOTIFY          0x17
#define IEEE802154_CMD_DSME_INFO_REQ            0x18
#define IEEE802154_CMD_DSME_INFO_RSP            0x19
#define IEEE802154_CMD_DSME_BEACON_ALLOC_NOTIFY 0x1a
#define IEEE802154_CMD_DSME_BEACON_COLL_NOTIFY  0x1b
#define IEEE802154_CMD_DSME_LINK_REPORT         0x1c
/* 0x1d-0x1f reserved in IEEE802.15.4-2015 */
#define IEEE802154_CMD_RIT_DATA_REQ             0x20
#define IEEE802154_CMD_DBS_REQ                  0x21
#define IEEE802154_CMD_DBS_RSP                  0x22
/* 0x22-0x1f reserved in IEEE802.15.4-2015 */

/*  Definitions for Association Response Command */
#define IEEE802154_CMD_ASRSP_AS_SUCCESS         0x00
#define IEEE802154_CMD_ASRSP_PAN_FULL           0x01
#define IEEE802154_CMD_ASRSP_PAN_DENIED         0x02

/*  Bit Masks for Capability Information Field
    Included in Association Req. command    */
#define IEEE802154_CMD_CINFO_ALT_PAN_COORD  0x01
#define IEEE802154_CMD_CINFO_DEVICE_TYPE    0x02
#define IEEE802154_CMD_CINFO_POWER_SRC      0x04
#define IEEE802154_CMD_CINFO_IDLE_RX        0x08
#define IEEE802154_CMD_CINFO_SEC_CAPABLE    0x40
#define IEEE802154_CMD_CINFO_ALLOC_ADDR     0x80

#define IEEE802154_CMD_GTS_REQ_LEN          0x0F
#define IEEE802154_CMD_GTS_REQ_DIR          0x10
#define IEEE802154_CMD_GTS_REQ_TYPE         0x20

/*  Bit masks & shifts for various beacon fields */
#define IEEE802154_BEACON_ORDER_MASK        0x000F
#define IEEE802154_SUPERFRAME_ORDER_MASK    0x00F0
#define IEEE802154_SUPERFRAME_CAP_MASK      0x0F00
#define IEEE802154_BATT_EXTENSION_MASK      0x1000
#define IEEE802154_SUPERFRAME_COORD_MASK    0x4000
#define IEEE802154_ASSOC_PERMIT_MASK        0x8000
#define IEEE802154_SUPERFRAME_ORDER_SHIFT   4
#define IEEE802154_SUPERFRAME_CAP_SHIFT     8

#define IEEE802154_GTS_COUNT_MASK           0x07
#define IEEE802154_GTS_PERMIT_MASK          0x80
#define IEEE802154_GTS_DIRECTION_SLOT(i)    (0x01<<(i))
#define IEEE802154_GTS_MAX_SLOTS            7
#define IEEE802154_GTS_DIRECTION_SLOT1      0x01
#define IEEE802154_GTS_DIRECTION_SLOT2      0x02
#define IEEE802154_GTS_DIRECTION_SLOT3      0x04
#define IEEE802154_GTS_DIRECTION_SLOT4      0x08
#define IEEE802154_GTS_DIRECTION_SLOT5      0x10
#define IEEE802154_GTS_DIRECTION_SLOT6      0x20
#define IEEE802154_GTS_DIRECTION_SLOT7      0x40
#define IEEE802154_GTS_SLOT_MASK            0x0F
#define IEEE802154_GTS_LENGTH_MASK          0xF0
#define IEEE802154_GTS_LENGTH_SHIFT         4

#define IEEE802154_PENDADDR_SHORT_MASK      0x07
#define IEEE802154_PENDADDR_LONG_MASK       0x70
#define IEEE802154_PENDADDR_LONG_SHIFT      4

#define IEEE802154_SUPERFRAME_DURATION      (IEEE802154_BASE_SLOT_DURATION * IEEE802154_SUPERFRAME_SLOTS)
#define IEEE802154_BASE_SLOT_DURATION       60
#define IEEE802154_SUPERFRAME_SLOTS         16

/*  Bit-masks for the FCF */
#define IEEE802154_FCF_TYPE_MASK            0x0007  /* Frame Type Mask */
#define IEEE802154_FCF_SEC_EN               0x0008
#define IEEE802154_FCF_FRAME_PND            0x0010
#define IEEE802154_FCF_ACK_REQ              0x0020
#define IEEE802154_FCF_PAN_ID_COMPRESSION   0x0040  /* known as Intra PAN prior to IEEE 802.15.4-2006 */
#define IEEE802154_FCF_SEQNO_SUPPRESSION    0x0100
#define IEEE802154_FCF_IE_PRESENT           0x0200
#define IEEE802154_FCF_DADDR_MASK           0x0C00  /* destination addressing mask */
#define IEEE802154_FCF_VERSION              0x3000
#define IEEE802154_FCF_SADDR_MASK           0xC000  /* source addressing mask */

/* Frame Type Definitions */
#define IEEE802154_FCF_BEACON                  0x0  /* Beacon Frame */
#define IEEE802154_FCF_DATA                    0x1  /* Data Frame */
#define IEEE802154_FCF_ACK                     0x2  /* Acknowlegement Frame */
#define IEEE802154_FCF_CMD                     0x3  /* MAC Command Frame */
#define IEEE802154_FCF_RESERVED                0x4  /* reserved */
#define IEEE802154_FCF_MULTIPURPOSE            0x5  /* Multipurpose */
#define IEEE802154_FCF_FRAGMENT                0x6  /* Fragment or Frak */
#define IEEE802154_FCF_EXTENDED                0x7  /* Extended */

/* Frame version definitions. */
#define IEEE802154_VERSION_2003                0x0
#define IEEE802154_VERSION_2006                0x1
#define IEEE802154_VERSION_2012e               0x2
#define IEEE802154_VERSION_RESERVED            0x3

/* Address Mode Definitions */
#define IEEE802154_FCF_ADDR_NONE               0x0
#define IEEE802154_FCF_ADDR_RESERVED           0x1
#define IEEE802154_FCF_ADDR_SHORT              0x2
#define IEEE802154_FCF_ADDR_EXT                0x3

/* Header IE Fields */
#define IEEE802154_HEADER_IE_TYPE_MASK      0x8000
#define IEEE802154_HEADER_IE_ID_MASK        0x7F80
#define IEEE802154_HEADER_IE_LENGTH_MASK    0x007F

/* Payload IE Fields */
#define IEEE802154_PAYLOAD_IE_TYPE_MASK     0x8000
#define IEEE802154_PAYLOAD_IE_ID_MASK       0x7800
#define IEEE802154_PAYLOAD_IE_LENGTH_MASK   0x07FF

/* Payload (Nested) Sub IE Fields */
#define IEEE802154_PSIE_TYPE_MASK           0x8000
#define IEEE802154_PSIE_ID_MASK_SHORT       0x7F00
#define IEEE802154_PSIE_LENGTH_MASK_SHORT   0x00FF
#define IEEE802154_PSIE_ID_MASK_LONG        0x7800
#define IEEE802154_PSIE_LENGTH_MASK_LONG    0x07FF

/* Enhanced Beacon Filter IE */
#define IEEE802154_MLME_PSIE_EB_FLT_PJOIN     0x01
#define IEEE802154_MLME_PSIE_EB_FLT_LQI       0x02
#define IEEE802154_MLME_PSIE_EB_FLT_PERCENT   0x04
#define IEEE802154_MLME_PSIE_EB_FLT_ATTR_LEN  0x18

/* Vendor OUIs */
#define IEEE802154_VENDOR_OUI_ZIGBEE      0x4A191B

/*  Bit-masks for CC24xx style FCS */
#define IEEE802154_CC24xx_CORRELATION       0x7F00
#define IEEE802154_CC24xx_CRC_OK            0x8000
#define IEEE802154_CC24xx_RSSI              0x00FF

/*  Special IEEE802.15.4 Addresses */
#define IEEE802154_NO_ADDR16                0xFFFE
#define IEEE802154_BCAST_ADDR               0xFFFF
#define IEEE802154_BCAST_PAN                0xFFFF

/*  Bit mask for PHY length field */
#define IEEE802154_PHY_LENGTH_MASK          0x7f

/* Auxiliary Security Header */
#define IEEE802154_AUX_SEC_LEVEL_MASK       0x07  /* Security Level */
#define IEEE802154_AUX_KEY_ID_MODE_MASK     0x18  /* Key Identifier Mode */
#define IEEE802154_AUX_KEY_ID_MODE_SHIFT    3
#define IEEE802154_AUX_KEY_RESERVED_MASK    0xE0  /* Reserved */

typedef enum {
    SECURITY_LEVEL_NONE = 0x00,
    SECURITY_LEVEL_MIC_32 = 0x01,
    SECURITY_LEVEL_MIC_64 = 0x02,
    SECURITY_LEVEL_MIC_128 = 0x03,
    SECURITY_LEVEL_ENC = 0x04,
    SECURITY_LEVEL_ENC_MIC_32 = 0x05,
    SECURITY_LEVEL_ENC_MIC_64 = 0x06,
    SECURITY_LEVEL_ENC_MIC_128 = 0x07
} ieee802154_security_level;

typedef enum {
    KEY_ID_MODE_IMPLICIT = 0x00,
    KEY_ID_MODE_KEY_INDEX = 0x01,
    KEY_ID_MODE_KEY_EXPLICIT_4 = 0x02,
    KEY_ID_MODE_KEY_EXPLICIT_8 = 0x03
} ieee802154_key_id_mode;

/* Header IE Element ID */
#define IEEE802154_HEADER_VENDOR_SPECIFIC   0x00
/* Reserved 0x01-0x19 */
#define IEEE802154_HEADER_IE_CSL            0x1a
#define IEEE802154_HEADER_IE_RIT            0x1b
#define IEEE802154_HEADER_IE_DSME_PAN       0x1c
#define IEEE802154_HEADER_IE_RENDEZVOUS     0x1d
#define IEEE802154_HEADER_IE_TIME_CORR      0x1e
/* Reserved 0x1f-0x20 */
#define IEEE802154_HEADER_IE_EXT_DSME_PAN   0x21
#define IEEE802154_HEADER_IE_FSCD           0x22
#define IEEE802154_HEADER_IE_SMPL_SUPER_FRM 0x23
#define IEEE802154_HEADER_IE_SMPL_GTS       0x24
#define IEEE802154_HEADER_IE_LECIM          0x25
#define IEEE802154_HEADER_IE_TRLE           0x26
#define IEEE802154_HEADER_IE_RCC_CAP        0x27
#define IEEE802154_HEADER_IE_RCCN           0x28
#define IEEE802154_HEADER_IE_GLOBAL_TIME    0x29
/* Assigned to External Organization: 0x2a    */
#define IEEE802154_HEADER_IE_DA_IE          0x2b
/* Reserved 0x2c-0x7d */
#define IEEE802154_HEADER_IE_EID_TERM1      0x7e
#define IEEE802154_HEADER_IE_EID_TERM2      0x7f
/* Reserved 0x80-0xff */

/* Payload IE Group ID */
#define IEEE802154_PAYLOAD_IE_ESDU           0x0 /* Encapsulated Service Data Unit */
#define IEEE802154_PAYLOAD_IE_MLME           0x1 /* Media Access Control (MAC) subLayer Management Entity */
#define IEEE802154_PAYLOAD_IE_VENDOR         0x2 /* Vendor Specific */
/* Reserved 0x3-0xe */
#define IEEE802154_PAYLOAD_IE_GID_TERM       0xf

/* Payload IE (Nested) Sub ID */
/* 0x00 - 0x0f Reserved for Long Format */
/* 0x10 - 0x19 Short Format Reserved */
#define IEEE802154_MLME_SUBIE_TSCH_SYNCH                 0x1A
#define IEEE802154_MLME_SUBIE_TSCH_SLOTFR_LINK           0x1B
#define IEEE802154_MLME_SUBIE_TSCH_TIMESLOT              0x1C
#define IEEE802154_MLME_SUBIE_HOPPING_TIMING             0x1D
#define IEEE802154_MLME_SUBIE_ENHANCED_BEACON_FILTER     0x1E
#define IEEE802154_MLME_SUBIE_MAC_METRICS                0x1F
#define IEEE802154_MLME_SUBIE_ALL_MAC_METRICS            0x20
#define IEEE802154_MLME_SUBIE_COEXISTENCE_SPEC           0x21
#define IEEE802154_MLME_SUBIE_SUN_DEVICE_CAPABILITIES    0x22
#define IEEE802154_MLME_SUBIE_SUN_FSK_GEN_PHY            0x23
#define IEEE802154_MLME_SUBIE_MODE_SWITCH_PARAMETER      0x24
#define IEEE802154_MLME_SUBIE_PHY_PARAMETER_CHANGE       0x25
#define IEEE802154_MLME_SUBIE_O_QPSK_PHY_MODE            0x26
#define IEEE802154_MLME_SUBIE_PCA_ALLOCATION             0x27
#define IEEE802154_MLME_SUBIE_DSSS_OPER_MODE             0x28
#define IEEE802154_MLME_SUBIE_FSK_OPER_MODE              0x29
#define IEEE802154_MLME_SUBIE_TVWS_PHY_OPE_MODE          0x2B
#define IEEE802154_MLME_SUBIE_TVWS_DEVICE_CAPAB          0x2C
#define IEEE802154_MLME_SUBIE_TVWS_DEVICE_CATEG          0x2D
#define IEEE802154_MLME_SUBIE_TVWS_DEVICE_IDENTIF        0x2E
#define IEEE802154_MLME_SUBIE_TVWS_DEVICE_LOCATION       0x2F
#define IEEE802154_MLME_SUBIE_TVWS_CH_INFOR_QUERY        0x30
#define IEEE802154_MLME_SUBIE_TVWS_CH_INFOR_SOURCE       0x31
#define IEEE802154_MLME_SUBIE_CTM                        0x32
#define IEEE802154_MLME_SUBIE_TIMESTAMP                  0x33
#define IEEE802154_MLME_SUBIE_TIMESTAMP_DIFF             0x34
#define IEEE802154_MLME_SUBIE_TMCP_SPECIFICATION         0x35
#define IEEE802154_MLME_SUBIE_RCC_PHY_OPER_MODE          0x36
/* 0x37-0x7f Reserved */


/* IEEE 802.15.4 cipher block size. */
#define IEEE802154_CIPHER_SIZE                16

/* Macro to compute the MIC length. */
#define IEEE802154_MIC_LENGTH(_level_) ((0x2 << ((_level_) & 0x3)) & ~0x3)
/* Macro to check for payload encryption. */
#define IEEE802154_IS_ENCRYPTED(_level_) ((_level_) & 0x4)

/*  Structure containing information regarding all necessary packet fields. */
typedef struct {
    /* Frame control field. */
    gint32      version;
    gint32      frame_type;
    gint32      dst_addr_mode;
    gint32      src_addr_mode;
    gboolean    security_enable;
    gboolean    frame_pending;
    gboolean    ack_request;
    gboolean    pan_id_compression;
    gboolean    seqno_suppression;
    gboolean    ie_present;

    guint8      seqno;

    /* determined during processing of Header IE*/
    gboolean    payload_ie_present;

    /* Addressing Info. */
    guint16     dst_pan;
    guint16     src_pan;
    guint16     dst16;
    guint64     dst64;
    guint16     src16;
    guint64     src64;

    /* Security Info. */
    ieee802154_security_level   security_level;
    ieee802154_key_id_mode      key_id_mode;
    guint32     frame_counter;
    guint8      key_sequence_counter;    /* Only for 802.15.4-2003 security suite with encryption */

    union {
        guint32 addr32;
        guint64 addr64;
    } key_source;
    guint8      key_index;

    /* Command ID (only if frame_type == 0x3) */
    guint8      command_id;
    GHashTable *short_table;
} ieee802154_packet;

/* Structure for two-way mapping table */
typedef struct {
    GHashTable *long_table;
    GHashTable *short_table;
} ieee802154_map_tab_t;

/* Key used by the short address hash table. */
typedef struct {
    guint16     pan;
    guint16     addr;
} ieee802154_short_addr;

/* Key used by the long address hash table. */
typedef struct {
    guint64     addr;
} ieee802154_long_addr;

/* A mapping record for a frame, pointed to by hash table */
typedef struct {
    const char *proto; /* name of protocol that created this record */
    guint       start_fnum;
    guint       end_fnum;
    guint64     addr64;
    /*guint32   frame_counter;   TODO for frame counter sequence checks. */
} ieee802154_map_rec;

#define IEEE802154_USER_MAPPING 0

typedef struct {
    guint16             src_pan;
    guint16             src16;
    guint16             dst16;
    ieee802154_map_rec *map_rec;
} ieee802154_hints_t;

/* */
void dissect_ieee802154_superframe      (tvbuff_t *, packet_info *, proto_tree *, guint *);
void dissect_ieee802154_gtsinfo         (tvbuff_t *, packet_info *, proto_tree *, guint *);
void dissect_ieee802154_pendaddr        (tvbuff_t *, packet_info *, proto_tree *, guint *);

/* Short to Extended Address Prototypes */
extern ieee802154_map_rec *ieee802154_addr_update(ieee802154_map_tab_t *, guint16, guint16, guint64,
        const char *, guint);
extern guint    ieee802154_short_addr_hash(gconstpointer);
extern guint    ieee802154_long_addr_hash(gconstpointer key);
extern gboolean ieee802154_short_addr_equal(gconstpointer, gconstpointer);
extern gboolean ieee802154_long_addr_equal(gconstpointer a, gconstpointer b);

extern gboolean ieee802154_short_addr_invalidate(guint16, guint16, guint);
extern gboolean ieee802154_long_addr_invalidate(guint64, guint);

#endif /* PACKET_IEEE802154_H */