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1 /*
2  *
3  *  BlueZ - Bluetooth protocol stack for Linux
4  *
5  *  Copyright (C) 2011  André Dieb Martins <andre.dieb@gmail.com>
6  *
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  (at your option) any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to the Free Software
20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
21  *
22  */
23 
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27 
28 #include <stdio.h>
29 #include <errno.h>
30 #include <unistd.h>
31 #include <stdlib.h>
32 #include <string.h>
33 
34 #include <sys/types.h>
35 #include <netinet/in.h>
36 
37 #include "parser.h"
38 
39 #define GATT_PRIM_SVC_UUID		0x2800
40 #define GATT_SND_SVC_UUID		0x2801
41 #define GATT_INCLUDE_UUID		0x2802
42 #define GATT_CHARAC_UUID		0x2803
43 
44 #define GATT_CHARAC_DEVICE_NAME			0x2A00
45 #define GATT_CHARAC_APPEARANCE			0x2A01
46 #define GATT_CHARAC_PERIPHERAL_PRIV_FLAG	0x2A02
47 #define GATT_CHARAC_RECONNECTION_ADDRESS	0x2A03
48 #define GATT_CHARAC_PERIPHERAL_PREF_CONN	0x2A04
49 #define GATT_CHARAC_SERVICE_CHANGED		0x2A05
50 
51 #define GATT_CHARAC_EXT_PROPER_UUID	0x2900
52 #define GATT_CHARAC_USER_DESC_UUID	0x2901
53 #define GATT_CLIENT_CHARAC_CFG_UUID	0x2902
54 #define GATT_SERVER_CHARAC_CFG_UUID	0x2903
55 #define GATT_CHARAC_FMT_UUID		0x2904
56 #define GATT_CHARAC_AGREG_FMT_UUID	0x2905
57 
58 
59 
60 /* Attribute Protocol Opcodes */
61 #define ATT_OP_ERROR			0x01
62 #define ATT_OP_MTU_REQ			0x02
63 #define ATT_OP_MTU_RESP			0x03
64 #define ATT_OP_FIND_INFO_REQ		0x04
65 #define ATT_OP_FIND_INFO_RESP		0x05
66 #define ATT_OP_FIND_BY_TYPE_REQ		0x06
67 #define ATT_OP_FIND_BY_TYPE_RESP	0x07
68 #define ATT_OP_READ_BY_TYPE_REQ		0x08
69 #define ATT_OP_READ_BY_TYPE_RESP	0x09
70 #define ATT_OP_READ_REQ			0x0A
71 #define ATT_OP_READ_RESP		0x0B
72 #define ATT_OP_READ_BLOB_REQ		0x0C
73 #define ATT_OP_READ_BLOB_RESP		0x0D
74 #define ATT_OP_READ_MULTI_REQ		0x0E
75 #define ATT_OP_READ_MULTI_RESP		0x0F
76 #define ATT_OP_READ_BY_GROUP_REQ	0x10
77 #define ATT_OP_READ_BY_GROUP_RESP	0x11
78 #define ATT_OP_WRITE_REQ		0x12
79 #define ATT_OP_WRITE_RESP		0x13
80 #define ATT_OP_WRITE_CMD		0x52
81 #define ATT_OP_PREP_WRITE_REQ		0x16
82 #define ATT_OP_PREP_WRITE_RESP		0x17
83 #define ATT_OP_EXEC_WRITE_REQ		0x18
84 #define ATT_OP_EXEC_WRITE_RESP		0x19
85 #define ATT_OP_HANDLE_NOTIFY		0x1B
86 #define ATT_OP_HANDLE_IND		0x1D
87 #define ATT_OP_HANDLE_CNF		0x1E
88 #define ATT_OP_SIGNED_WRITE_CMD		0xD2
89 
90 /* Error codes for Error response PDU */
91 #define ATT_ECODE_INVALID_HANDLE		0x01
92 #define ATT_ECODE_READ_NOT_PERM			0x02
93 #define ATT_ECODE_WRITE_NOT_PERM		0x03
94 #define ATT_ECODE_INVALID_PDU			0x04
95 #define ATT_ECODE_INSUFF_AUTHEN			0x05
96 #define ATT_ECODE_REQ_NOT_SUPP			0x06
97 #define ATT_ECODE_INVALID_OFFSET		0x07
98 #define ATT_ECODE_INSUFF_AUTHO			0x08
99 #define ATT_ECODE_PREP_QUEUE_FULL		0x09
100 #define ATT_ECODE_ATTR_NOT_FOUND		0x0A
101 #define ATT_ECODE_ATTR_NOT_LONG			0x0B
102 #define ATT_ECODE_INSUFF_ENCR_KEY_SIZE		0x0C
103 #define ATT_ECODE_INVAL_ATTR_VALUE_LEN		0x0D
104 #define ATT_ECODE_UNLIKELY			0x0E
105 #define ATT_ECODE_INSUFF_ENC			0x0F
106 #define ATT_ECODE_UNSUPP_GRP_TYPE		0x10
107 #define ATT_ECODE_INSUFF_RESOURCES		0x11
108 #define ATT_ECODE_IO				0xFF
109 
110 
111 /* Attribute Protocol Opcodes */
attop2str(uint8_t op)112 static const char *attop2str(uint8_t op)
113 {
114 	switch (op) {
115 	case ATT_OP_ERROR:
116 		return "Error";
117 	case ATT_OP_MTU_REQ:
118 		return "MTU req";
119 	case ATT_OP_MTU_RESP:
120 		return "MTU resp";
121 	case ATT_OP_FIND_INFO_REQ:
122 		return "Find Information req";
123 	case ATT_OP_FIND_INFO_RESP:
124 		return "Find Information resp";
125 	case ATT_OP_FIND_BY_TYPE_REQ:
126 		return "Find By Type req";
127 	case ATT_OP_FIND_BY_TYPE_RESP:
128 		return "Find By Type resp";
129 	case ATT_OP_READ_BY_TYPE_REQ:
130 		return "Read By Type req";
131 	case ATT_OP_READ_BY_TYPE_RESP:
132 		return "Read By Type resp";
133 	case ATT_OP_READ_REQ:
134 		return "Read req";
135 	case ATT_OP_READ_RESP:
136 		return "Read resp";
137 	case ATT_OP_READ_BLOB_REQ:
138 		return "Read Blob req";
139 	case ATT_OP_READ_BLOB_RESP:
140 		return "Read Blob resp";
141 	case ATT_OP_READ_MULTI_REQ:
142 		return "Read Multi req";
143 	case ATT_OP_READ_MULTI_RESP:
144 		return "Read Multi resp";
145 	case ATT_OP_READ_BY_GROUP_REQ:
146 		return "Read By Group req";
147 	case ATT_OP_READ_BY_GROUP_RESP:
148 		return "Read By Group resp";
149 	case ATT_OP_WRITE_REQ:
150 		return "Write req";
151 	case ATT_OP_WRITE_RESP:
152 		return "Write resp";
153 	case ATT_OP_WRITE_CMD:
154 		return "Write cmd";
155 	case ATT_OP_PREP_WRITE_REQ:
156 		return "Prepare Write req";
157 	case ATT_OP_PREP_WRITE_RESP:
158 		return "Prepare Write resp";
159 	case ATT_OP_EXEC_WRITE_REQ:
160 		return "Exec Write req";
161 	case ATT_OP_EXEC_WRITE_RESP:
162 		return "Exec Write resp";
163 	case ATT_OP_HANDLE_NOTIFY:
164 		return "Handle notify";
165 	case ATT_OP_HANDLE_IND:
166 		return "Handle indicate";
167 	case ATT_OP_HANDLE_CNF:
168 		return "Handle CNF";
169 	case ATT_OP_SIGNED_WRITE_CMD:
170 		return "Signed Write Cmd";
171 	default:
172 		return "Unknown";
173 	}
174 }
175 
atterror2str(uint8_t err)176 static const char * atterror2str(uint8_t err)
177 {
178 	switch (err) {
179 	case ATT_ECODE_INVALID_HANDLE:
180 		return "Invalid handle";
181 	case ATT_ECODE_READ_NOT_PERM:
182 		return "Read not permitted";
183 	case ATT_ECODE_WRITE_NOT_PERM:
184 		return "Write not permitted";
185 	case ATT_ECODE_INVALID_PDU:
186 		return "Invalid PDU";
187 	case ATT_ECODE_INSUFF_AUTHEN:
188 		return "Insufficient authentication";
189 	case ATT_ECODE_REQ_NOT_SUPP:
190 		return "Request not supported";
191 	case ATT_ECODE_INVALID_OFFSET:
192 		return "Invalid offset";
193 	case ATT_ECODE_INSUFF_AUTHO:
194 		return "Insufficient authorization";
195 	case ATT_ECODE_PREP_QUEUE_FULL:
196 		return "Prepare queue full";
197 	case ATT_ECODE_ATTR_NOT_FOUND:
198 		return "Attribute not found";
199 	case ATT_ECODE_ATTR_NOT_LONG:
200 		return "Attribute not long";
201 	case ATT_ECODE_INSUFF_ENCR_KEY_SIZE:
202 		return "Insufficient encryption key size";
203 	case ATT_ECODE_INVAL_ATTR_VALUE_LEN:
204 		return "Invalid attribute value length";
205 	case ATT_ECODE_UNLIKELY:
206 		return "Unlikely error";
207 	case ATT_ECODE_INSUFF_ENC:
208 		return "Insufficient encryption";
209 	case ATT_ECODE_UNSUPP_GRP_TYPE:
210 		return "Unsupported group type";
211 	case ATT_ECODE_INSUFF_RESOURCES:
212 		return "Insufficient resources";
213 	case ATT_ECODE_IO:
214 		return "Application Error";
215 	default:
216 		return "Reserved";
217 	}
218 }
219 
uuid2str(uint16_t uuid)220 static const char *uuid2str(uint16_t uuid)
221 {
222 	switch (uuid) {
223 	case GATT_PRIM_SVC_UUID:
224 		return "GATT Primary Service";
225 	case GATT_SND_SVC_UUID:
226 		return "GATT Secondary Service";
227 	case GATT_INCLUDE_UUID:
228 		return "GATT Include";
229 	case GATT_CHARAC_UUID:
230 		return "GATT Characteristic";
231 	case GATT_CHARAC_DEVICE_NAME:
232 		return "GATT(type) Device Name";
233 	case GATT_CHARAC_APPEARANCE:
234 		return "GATT(type) Appearance";
235 	case GATT_CHARAC_PERIPHERAL_PRIV_FLAG:
236 		return "GATT(type) Peripheral Privacy Flag";
237 	case GATT_CHARAC_RECONNECTION_ADDRESS:
238 		return "GATT(type) Characteristic Reconnection Address";
239 	case GATT_CHARAC_PERIPHERAL_PREF_CONN:
240 		return "GATT(type) Characteristic Preferred Connection Parameters";
241 	case GATT_CHARAC_SERVICE_CHANGED:
242 		return "GATT(type) Characteristic Service Changed";
243 	case GATT_CHARAC_EXT_PROPER_UUID:
244 		return "GATT(desc) Characteristic Extended Properties";
245 	case GATT_CHARAC_USER_DESC_UUID:
246 		return "GATT(desc) User Description";
247 	case GATT_CLIENT_CHARAC_CFG_UUID:
248 		return "GATT(desc) Client Characteristic Configuration";
249 	case GATT_SERVER_CHARAC_CFG_UUID:
250 		return "GATT(desc) Server Characteristic Configuration";
251 	case GATT_CHARAC_FMT_UUID:
252 		return "GATT(desc) Format";
253 	case GATT_CHARAC_AGREG_FMT_UUID:
254 		return "GATT(desc) Aggregate Format";
255 	default:
256 		return "Unknown";
257 	}
258 }
259 
att_error_dump(int level,struct frame * frm)260 static void att_error_dump(int level, struct frame *frm)
261 {
262 	uint8_t op = get_u8(frm);
263 	uint16_t handle = btohs(htons(get_u16(frm)));
264 	uint8_t err = get_u8(frm);
265 
266 	p_indent(level, frm);
267 	printf("Error: %s (%d)\n", atterror2str(err), err);
268 
269 	p_indent(level, frm);
270 	printf("%s (0x%.2x) on handle 0x%2.2x\n", attop2str(op), op, handle);
271 }
272 
att_mtu_req_dump(int level,struct frame * frm)273 static void att_mtu_req_dump(int level, struct frame *frm)
274 {
275 	uint16_t client_rx_mtu = btohs(htons(get_u16(frm)));
276 
277 	p_indent(level, frm);
278 	printf("client rx mtu %d\n", client_rx_mtu);
279 }
280 
att_mtu_resp_dump(int level,struct frame * frm)281 static void att_mtu_resp_dump(int level, struct frame *frm)
282 {
283 	uint16_t server_rx_mtu = btohs(htons(get_u16(frm)));
284 
285 	p_indent(level, frm);
286 	printf("server rx mtu %d\n", server_rx_mtu);
287 }
288 
att_find_info_req_dump(int level,struct frame * frm)289 static void att_find_info_req_dump(int level, struct frame *frm)
290 {
291 	uint16_t start = btohs(htons(get_u16(frm)));
292 	uint16_t end = btohs(htons(get_u16(frm)));
293 
294 	p_indent(level, frm);
295 	printf("start 0x%2.2x, end 0x%2.2x\n", start, end);
296 }
297 
att_find_info_resp_dump(int level,struct frame * frm)298 static void att_find_info_resp_dump(int level, struct frame *frm)
299 {
300 	uint8_t fmt = get_u8(frm);
301 
302 	p_indent(level, frm);
303 
304 	if (fmt == 0x01) {
305 		printf("format: uuid-16\n");
306 
307 		while (frm->len > 0) {
308 			uint16_t handle = btohs(htons(get_u16(frm)));
309 			uint16_t uuid = btohs(htons(get_u16(frm)));
310 			p_indent(level + 1, frm);
311 			printf("handle 0x%2.2x, uuid 0x%2.2x (%s)\n", handle, uuid,
312 					uuid2str(uuid));
313 		}
314 	} else {
315 		printf("format: uuid-128\n");
316 
317 		while (frm->len > 0) {
318 			uint16_t handle = btohs(htons(get_u16(frm)));
319 			int i;
320 
321 			p_indent(level + 1, frm);
322 			printf("handle 0x%2.2x, uuid ", handle);
323 			for (i = 0; i < 16; i++) {
324 				printf("%02x", get_u8(frm));
325 				if (i == 3 || i == 5 || i == 7 || i == 9)
326 					printf("-");
327 			}
328 			printf("\n");
329 		}
330 	}
331 }
332 
att_find_by_type_req_dump(int level,struct frame * frm)333 static void att_find_by_type_req_dump(int level, struct frame *frm)
334 {
335 	uint16_t start = btohs(htons(get_u16(frm)));
336 	uint16_t end = btohs(htons(get_u16(frm)));
337 	uint16_t uuid = btohs(htons(get_u16(frm)));
338 
339 	p_indent(level, frm);
340 	printf("start 0x%4.4x, end 0x%4.4x, uuid 0x%4.4x\n", start, end, uuid);
341 
342 	p_indent(level, frm);
343 	printf("value");
344 	while (frm->len > 0)
345 		printf(" 0x%2.2x", get_u8(frm));
346 	printf("\n");
347 }
348 
att_find_by_type_resp_dump(int level,struct frame * frm)349 static void att_find_by_type_resp_dump(int level, struct frame *frm)
350 {
351 	while (frm->len > 0) {
352 		uint16_t uuid = btohs(htons(get_u16(frm)));
353 		uint16_t end = btohs(htons(get_u16(frm)));
354 
355 		p_indent(level, frm);
356 		printf("Found attr 0x%4.4x, group end handle 0x%4.4x\n",
357 								uuid, end);
358 	}
359 }
360 
att_read_by_type_req_dump(int level,struct frame * frm)361 static void att_read_by_type_req_dump(int level, struct frame *frm)
362 {
363 	uint16_t start = btohs(htons(get_u16(frm)));
364 	uint16_t end = btohs(htons(get_u16(frm)));
365 	int i;
366 
367 	p_indent(level, frm);
368 	printf("start 0x%4.4x, end 0x%4.4x\n", start, end);
369 
370 	p_indent(level, frm);
371 	if (frm->len == 2) {
372 		printf("type-uuid 0x%4.4x\n", btohs(htons(get_u16(frm))));
373 	} else if (frm->len == 16) {
374 		printf("type-uuid ");
375 		for (i = 0; i < 16; i++) {
376 			printf("%02x", get_u8(frm));
377 			if (i == 3 || i == 5 || i == 7 || i == 9)
378 				printf("-");
379 		}
380 		printf("\n");
381 	} else {
382 		printf("malformed uuid (expected 2 or 16 octets)\n");
383 		p_indent(level, frm);
384 		raw_dump(level, frm);
385 	}
386 }
387 
att_read_by_type_resp_dump(int level,struct frame * frm)388 static void att_read_by_type_resp_dump(int level, struct frame *frm)
389 {
390 	uint8_t length = get_u8(frm);
391 
392 	p_indent(level, frm);
393 	printf("length: %d\n", length);
394 
395 	while (frm->len > 0) {
396 		uint16_t handle = btohs(htons(get_u16(frm)));
397 		int val_len = length - 2;
398 		int i;
399 
400 		p_indent(level + 1, frm);
401 		printf("handle 0x%2.2x, value ", handle);
402 		for (i = 0; i < val_len; i++) {
403 			printf("0x%.2x ", get_u8(frm));
404 		}
405 		printf("\n");
406 	}
407 }
408 
att_read_req_dump(int level,struct frame * frm)409 static void att_read_req_dump(int level, struct frame *frm)
410 {
411 	uint16_t handle = btohs(htons(get_u16(frm)));
412 
413 	p_indent(level, frm);
414 	printf("handle 0x%2.2x\n", handle);
415 }
416 
att_read_blob_req_dump(int level,struct frame * frm)417 static void att_read_blob_req_dump(int level, struct frame *frm)
418 {
419 	uint16_t handle = btohs(htons(get_u16(frm)));
420 	uint16_t offset = btohs(htons(get_u16(frm)));
421 
422 	p_indent(level, frm);
423 	printf("handle 0x%4.4x offset 0x%4.4x\n", handle, offset);
424 }
425 
att_read_blob_resp_dump(int level,struct frame * frm)426 static void att_read_blob_resp_dump(int level, struct frame *frm)
427 {
428 	p_indent(level, frm);
429 	printf("value");
430 
431 	while (frm->len > 0)
432 		printf(" 0x%2.2x", get_u8(frm));
433 	printf("\n");
434 }
435 
att_read_multi_req_dump(int level,struct frame * frm)436 static void att_read_multi_req_dump(int level, struct frame *frm)
437 {
438 	p_indent(level, frm);
439 	printf("Handles\n");
440 
441 	while (frm->len > 0) {
442 		p_indent(level, frm);
443 		printf("handle 0x%4.4x\n", btohs(htons(get_u16(frm))));
444 	}
445 }
446 
att_read_multi_resp_dump(int level,struct frame * frm)447 static void att_read_multi_resp_dump(int level, struct frame *frm)
448 {
449 	p_indent(level, frm);
450 	printf("values");
451 
452 	while (frm->len > 0)
453 		printf(" 0x%2.2x", get_u8(frm));
454 	printf("\n");
455 }
456 
att_read_by_group_resp_dump(int level,struct frame * frm)457 static void att_read_by_group_resp_dump(int level, struct frame *frm)
458 {
459 	uint8_t length = get_u8(frm);
460 
461 	while (frm->len > 0) {
462 		uint16_t attr_handle = btohs(htons(get_u16(frm)));
463 		uint16_t end_grp_handle = btohs(htons(get_u16(frm)));
464 		uint8_t remaining = length - 4;
465 
466 		p_indent(level, frm);
467 		printf("attr handle 0x%4.4x, end group handle 0x%4.4x\n",
468 						attr_handle, end_grp_handle);
469 
470 		p_indent(level, frm);
471 		printf("value");
472 		while (remaining > 0) {
473 			printf(" 0x%2.2x", get_u8(frm));
474 		}
475 		printf("\n");
476 	}
477 }
478 
att_write_req_dump(int level,struct frame * frm)479 static void att_write_req_dump(int level, struct frame *frm)
480 {
481 	uint16_t handle = btohs(htons(get_u16(frm)));
482 
483 	p_indent(level, frm);
484 	printf("handle 0x%4.4x value ", handle);
485 
486 	while (frm->len > 0)
487 		printf(" 0x%2.2x", get_u8(frm));
488 	printf("\n");
489 }
490 
att_signed_write_dump(int level,struct frame * frm)491 static void att_signed_write_dump(int level, struct frame *frm)
492 {
493 	uint16_t handle = btohs(htons(get_u16(frm)));
494 	int value_len = frm->len - 12; /* handle:2 already accounted, sig: 12 */
495 
496 	p_indent(level, frm);
497 	printf("handle 0x%4.4x value ", handle);
498 
499 	while (value_len--)
500 		printf(" 0x%2.2x", get_u8(frm));
501 	printf("\n");
502 
503 	p_indent(level, frm);
504 	printf("auth signature ");
505 	while (frm->len > 0)
506 		printf(" 0x%2.2x", get_u8(frm));
507 	printf("\n");
508 }
509 
att_prep_write_dump(int level,struct frame * frm)510 static void att_prep_write_dump(int level, struct frame *frm)
511 {
512 	uint16_t handle = btohs(htons(get_u16(frm)));
513 	uint16_t val_offset = btohs(htons(get_u16(frm)));
514 
515 	p_indent(level, frm);
516 	printf("attr handle 0x%4.4x, value offset 0x%4.4x\n", handle,
517 								val_offset);
518 
519 	p_indent(level, frm);
520 	printf("part attr value ");
521 	while (frm->len > 0)
522 		printf(" 0x%2.2x", get_u8(frm));
523 	printf("\n");
524 }
525 
att_exec_write_req_dump(int level,struct frame * frm)526 static void att_exec_write_req_dump(int level, struct frame *frm)
527 {
528 	uint8_t flags = get_u8(frm);
529 
530 	p_indent(level, frm);
531 	if (flags == 0x00)
532 		printf("cancel all prepared writes ");
533 	else
534 		printf("immediatelly write all pending prepared values ");
535 
536 	printf("(0x%2.2x)\n", flags);
537 }
538 
att_handle_notify_dump(int level,struct frame * frm)539 static void att_handle_notify_dump(int level, struct frame *frm)
540 {
541 	uint16_t handle = btohs(htons(get_u16(frm)));
542 
543 	p_indent(level, frm);
544 	printf("handle 0x%4.4x\n", handle);
545 
546 	p_indent(level, frm);
547 	printf("value ");
548 	while (frm->len > 0)
549 		printf("0x%.2x ", get_u8(frm));
550 	printf("\n");
551 }
552 
att_dump(int level,struct frame * frm)553 void att_dump(int level, struct frame *frm)
554 {
555 	uint8_t op;
556 
557 	op = get_u8(frm);
558 
559 	p_indent(level, frm);
560 	printf("ATT: %s (0x%.2x)\n", attop2str(op), op);
561 
562 	switch (op) {
563 		case ATT_OP_ERROR:
564 			att_error_dump(level + 1, frm);
565 			break;
566 		case ATT_OP_MTU_REQ:
567 			att_mtu_req_dump(level + 1, frm);
568 			break;
569 		case ATT_OP_MTU_RESP:
570 			att_mtu_resp_dump(level + 1, frm);
571 			break;
572 		case ATT_OP_FIND_INFO_REQ:
573 			att_find_info_req_dump(level + 1, frm);
574 			break;
575 		case ATT_OP_FIND_INFO_RESP:
576 			att_find_info_resp_dump(level + 1, frm);
577 			break;
578 		case ATT_OP_FIND_BY_TYPE_REQ:
579 			att_find_by_type_req_dump(level + 1, frm);
580 			break;
581 		case ATT_OP_FIND_BY_TYPE_RESP:
582 			att_find_by_type_resp_dump(level + 1, frm);
583 			break;
584 		case ATT_OP_READ_BY_TYPE_REQ:
585 		case ATT_OP_READ_BY_GROUP_REQ: /* exact same parsing */
586 			att_read_by_type_req_dump(level + 1, frm);
587 			break;
588 		case ATT_OP_READ_BY_TYPE_RESP:
589 			att_read_by_type_resp_dump(level + 1, frm);
590 			break;
591 		case ATT_OP_READ_REQ:
592 			att_read_req_dump(level + 1, frm);
593 			break;
594 		case ATT_OP_READ_RESP:
595 			raw_dump(level + 1, frm);
596 			break;
597 		case ATT_OP_READ_BLOB_REQ:
598 			att_read_blob_req_dump(level + 1, frm);
599 			break;
600 		case ATT_OP_READ_BLOB_RESP:
601 			att_read_blob_resp_dump(level + 1, frm);
602 			break;
603 		case ATT_OP_READ_MULTI_REQ:
604 			att_read_multi_req_dump(level + 1, frm);
605 			break;
606 		case ATT_OP_READ_MULTI_RESP:
607 			att_read_multi_resp_dump(level + 1, frm);
608 			break;
609 		case ATT_OP_READ_BY_GROUP_RESP:
610 			att_read_by_group_resp_dump(level + 1, frm);
611 			break;
612 		case ATT_OP_WRITE_REQ:
613 		case ATT_OP_WRITE_CMD:
614 			att_write_req_dump(level + 1, frm);
615 			break;
616 		case ATT_OP_SIGNED_WRITE_CMD:
617 			att_signed_write_dump(level + 1, frm);
618 			break;
619 		case ATT_OP_PREP_WRITE_REQ:
620 		case ATT_OP_PREP_WRITE_RESP:
621 			att_prep_write_dump(level + 1, frm);
622 			break;
623 		case ATT_OP_EXEC_WRITE_REQ:
624 			att_exec_write_req_dump(level + 1, frm);
625 			break;
626 		case ATT_OP_HANDLE_NOTIFY:
627 			att_handle_notify_dump(level + 1, frm);
628 			break;
629 		default:
630 			raw_dump(level, frm);
631 			break;
632 	}
633 }
634