xref: /freebsd/usr.sbin/bluetooth/hccontrol/link_control.c (revision 7431dfd4580e850375fe5478d92ec770344db098)
1 /*
2  * link_control.c
3  *
4  * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $Id: link_control.c,v 1.4 2003/08/18 19:19:54 max Exp $
29  * $FreeBSD$
30  */
31 
32 #include <bluetooth.h>
33 #include <errno.h>
34 #include <stdio.h>
35 #include <string.h>
36 #include "hccontrol.h"
37 
38 static void hci_inquiry_response (int n, uint8_t **b);
39 
40 /* Send Inquiry command to the unit */
41 static int
42 hci_inquiry(int s, int argc, char **argv)
43 {
44 	int			 n0, n1, n2, timo;
45 	char			 b[512];
46 	ng_hci_inquiry_cp	 cp;
47 	ng_hci_event_pkt_t	*e = (ng_hci_event_pkt_t *) b;
48 
49 	/* set defaults */
50 	cp.lap[2] = 0x9e;
51 	cp.lap[1] = 0x8b;
52 	cp.lap[0] = 0x33;
53 	cp.inquiry_length = 5;
54 	cp.num_responses = 8;
55 
56 	/* parse command parameters */
57 	switch (argc) {
58 	case 3:
59 		/* number of responses, range 0x00 - 0xff */
60 		if (sscanf(argv[2], "%d", &n0) != 1 || n0 < 0 || n0 > 0xff)
61 			return (USAGE);
62 
63 		cp.num_responses = (n0 & 0xff);
64 
65 	case 2:
66 		/* inquiry length (N * 1.28) sec, range 0x01 - 0x30 */
67 		if (sscanf(argv[1], "%d", &n0) != 1 || n0 < 0x1 || n0 > 0x30)
68 			return (USAGE);
69 
70 		cp.inquiry_length = (n0 & 0xff);
71 
72 	case 1:
73 		/* LAP */
74 		if (sscanf(argv[0], "%x:%x:%x", &n2, &n1, &n0) != 3)
75 			return (USAGE);
76 
77 		cp.lap[0] = (n0 & 0xff);
78 		cp.lap[1] = (n1 & 0xff);
79 		cp.lap[2] = (n2 & 0xff);
80 
81 	case 0:
82 		/* use defaults */
83 		break;
84 
85 	default:
86 		return (USAGE);
87 	}
88 
89 	/* send request and expect status back */
90 	n0 = sizeof(b);
91 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
92 			NG_HCI_OCF_INQUIRY), (char const *) &cp, sizeof(cp),
93 			b, &n0) == ERROR)
94 		return (ERROR);
95 
96 	if (*b != 0x00)
97 		return (FAILED);
98 
99 	timo = timeout;
100 	timeout = cp.inquiry_length * 1.28 + 1;
101 
102 wait_for_more:
103 	/* wait for inquiry events */
104 	n0 = sizeof(b);
105 	if (hci_recv(s, b, &n0) == ERROR) {
106 		timeout = timo;
107 		return (ERROR);
108 	}
109 
110 	if (n0 < sizeof(*e)) {
111 		timeout = timo;
112 		errno = EIO;
113 		return (ERROR);
114 	}
115 
116 	switch (e->event) {
117 	case NG_HCI_EVENT_INQUIRY_RESULT: {
118 		ng_hci_inquiry_result_ep	*ir =
119 				(ng_hci_inquiry_result_ep *)(e + 1);
120 		uint8_t				*r = (uint8_t *)(ir + 1);
121 
122 		fprintf(stdout, "Inquiry result, num_responses=%d\n",
123 			ir->num_responses);
124 
125 		for (n0 = 0; n0 < ir->num_responses; n0++)
126 			hci_inquiry_response(n0, &r);
127 
128 		goto wait_for_more;
129 		}
130 
131 	case NG_HCI_EVENT_INQUIRY_COMPL:
132 		fprintf(stdout, "Inquiry complete. Status: %s [%#02x]\n",
133 			hci_status2str(*(b + sizeof(*e))), *(b + sizeof(*e)));
134 		break;
135 
136 	default:
137 		goto wait_for_more;
138 	}
139 
140 	timeout = timo;
141 
142 	return (OK);
143 } /* hci_inquiry */
144 
145 /* Print Inquiry_Result event */
146 static void
147 hci_inquiry_response(int n, uint8_t **b)
148 {
149 	ng_hci_inquiry_response	*ir = (ng_hci_inquiry_response *)(*b);
150 
151 	fprintf(stdout, "Inquiry result #%d\n", n);
152 	fprintf(stdout, "\tBD_ADDR: %s\n", hci_bdaddr2str(&ir->bdaddr));
153 	fprintf(stdout, "\tPage Scan Rep. Mode: %#02x\n",
154 		ir->page_scan_rep_mode);
155 	fprintf(stdout, "\tPage Scan Period Mode: %#02x\n",
156 		ir->page_scan_period_mode);
157 	fprintf(stdout, "\tPage Scan Mode: %#02x\n",
158 		ir->page_scan_mode);
159 	fprintf(stdout, "\tClass: %02x:%02x:%02x\n",
160 		ir->uclass[2], ir->uclass[1], ir->uclass[0]);
161 	fprintf(stdout, "\tClock offset: %#04x\n",
162 		le16toh(ir->clock_offset));
163 
164 	*b += sizeof(*ir);
165 } /* hci_inquiry_response */
166 
167 /* Send Create_Connection command to the unit */
168 static int
169 hci_create_connection(int s, int argc, char **argv)
170 {
171 	int			 n0;
172 	char			 b[512];
173 	ng_hci_create_con_cp	 cp;
174 	ng_hci_event_pkt_t	*e = (ng_hci_event_pkt_t *) b;
175 
176 	/* Set defaults */
177 	memset(&cp, 0, sizeof(cp));
178 	cp.pkt_type = htole16(	NG_HCI_PKT_DM1 | NG_HCI_PKT_DH1 |
179 				NG_HCI_PKT_DM3 | NG_HCI_PKT_DH3 |
180 				NG_HCI_PKT_DM5);
181 	cp.page_scan_rep_mode = NG_HCI_SCAN_REP_MODE0;
182 	cp.page_scan_mode = NG_HCI_MANDATORY_PAGE_SCAN_MODE;
183 	cp.clock_offset = 0;
184 	cp.accept_role_switch = 1;
185 
186 	/* parse command parameters */
187 	switch (argc) {
188 	case 6:
189 		/* accept role switch */
190 		if (sscanf(argv[5], "%d", &n0) != 1)
191 			return (USAGE);
192 
193 		cp.accept_role_switch = n0 ? 1 : 0;
194 
195 	case 5:
196 		/* clock offset */
197 		if (sscanf(argv[4], "%d", &n0) != 1)
198 			return (USAGE);
199 
200 		cp.clock_offset = (n0 & 0xffff);
201 		cp.clock_offset = htole16(cp.clock_offset);
202 
203 	case 4:
204 		/* page scan mode */
205 		if (sscanf(argv[3], "%d", &n0) != 1 || n0 < 0 || n0 > 3)
206 			return (USAGE);
207 
208 		cp.page_scan_mode = (n0 & 0xff);
209 
210 	case 3:
211 		/* page scan rep mode */
212 		if (sscanf(argv[2], "%d", &n0) != 1 || n0 < 0 || n0 > 2)
213 			return (USAGE);
214 
215 		cp.page_scan_rep_mode = (n0 & 0xff);
216 
217 	case 2:
218 		/* packet type */
219 		if (sscanf(argv[1], "%x", &n0) != 1)
220 			return (USAGE);
221 
222 		n0 &= (	NG_HCI_PKT_DM1 | NG_HCI_PKT_DH1 |
223 			NG_HCI_PKT_DM3 | NG_HCI_PKT_DH3 |
224 			NG_HCI_PKT_DM5);
225 		if (n0 == 0)
226 			return (USAGE);
227 
228 		cp.pkt_type = (n0 & 0xffff);
229 		cp.pkt_type = htole16(cp.pkt_type);
230 
231 	case 1:
232 		/* BD_ADDR */
233 		if (!bt_aton(argv[0], &cp.bdaddr)) {
234 			struct hostent	*he = NULL;
235 
236 			if ((he = bt_gethostbyname(argv[0])) == NULL)
237 				return (USAGE);
238 
239 			memcpy(&cp.bdaddr, he->h_addr, sizeof(cp.bdaddr));
240 		}
241 		break;
242 
243 	default:
244 		return (USAGE);
245 	}
246 
247 	/* send request and expect status response */
248 	n0 = sizeof(b);
249 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
250 			NG_HCI_OCF_CREATE_CON),
251 			(char const *) &cp, sizeof(cp), b, &n0) == ERROR)
252 		return (ERROR);
253 
254 	if (*b != 0x00)
255 		return (FAILED);
256 
257 	/* wait for event */
258 again:
259 	n0 = sizeof(b);
260 	if (hci_recv(s, b, &n0) == ERROR)
261 		return (ERROR);
262 	if (n0 < sizeof(*e)) {
263 		errno = EIO;
264 		return (ERROR);
265 	}
266 
267 	if (e->event == NG_HCI_EVENT_CON_COMPL) {
268 		ng_hci_con_compl_ep	*ep = (ng_hci_con_compl_ep *)(e + 1);
269 
270 		if (ep->status != 0x00) {
271 			fprintf(stdout, "Status: %s [%#02x]\n",
272 				hci_status2str(ep->status), ep->status);
273 			return (FAILED);
274 		}
275 
276 		fprintf(stdout, "BD_ADDR: %s\n", hci_bdaddr2str(&ep->bdaddr));
277 		fprintf(stdout, "Connection handle: %d\n",
278 			le16toh(ep->con_handle));
279 		fprintf(stdout, "Encryption mode: %s [%d]\n",
280 			hci_encrypt2str(ep->encryption_mode, 0),
281 			ep->encryption_mode);
282 	} else
283 		goto again;
284 
285 	return (OK);
286 } /* hci_create_connection */
287 
288 /* Send Disconnect command to the unit */
289 static int
290 hci_disconnect(int s, int argc, char **argv)
291 {
292 	int			 n;
293 	char			 b[512];
294 	ng_hci_discon_cp	 cp;
295 	ng_hci_event_pkt_t	*e = (ng_hci_event_pkt_t *) b;
296 
297 	/* Set defaults */
298 	memset(&cp, 0, sizeof(cp));
299 	cp.reason = 0x13;
300 
301 	/* parse command parameters */
302 	switch (argc) {
303 	case 2:
304 		/* reason */
305 		if (sscanf(argv[1], "%d", &n) != 1 || n <= 0x00 || n > 0xff)
306 			return (USAGE);
307 
308 		cp.reason = (uint8_t) (n & 0xff);
309 
310 	case 1:
311 		/* connection handle */
312 		if (sscanf(argv[0], "%d", &n) != 1 || n <= 0 || n > 0x0eff)
313 			return (USAGE);
314 
315 		cp.con_handle = (uint16_t) (n & 0x0fff);
316 		cp.con_handle = htole16(cp.con_handle);
317 		break;
318 
319 	default:
320 		return (USAGE);
321 	}
322 
323 	/* send request and expect status response */
324 	n = sizeof(b);
325 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
326 			NG_HCI_OCF_DISCON),
327 			(char const *) &cp, sizeof(cp), b, &n) == ERROR)
328 		return (ERROR);
329 
330 	if (*b != 0x00)
331 		return (FAILED);
332 
333 	/* wait for event */
334 again:
335 	n = sizeof(b);
336 	if (hci_recv(s, b, &n) == ERROR)
337 		return (ERROR);
338 	if (n < sizeof(*e)) {
339 		errno = EIO;
340 		return (ERROR);
341 	}
342 
343 	if (e->event == NG_HCI_EVENT_DISCON_COMPL) {
344 		ng_hci_discon_compl_ep	*ep = (ng_hci_discon_compl_ep *)(e + 1);
345 
346 		if (ep->status != 0x00) {
347 			fprintf(stdout, "Status: %s [%#02x]\n",
348 				hci_status2str(ep->status), ep->status);
349 			return (FAILED);
350 		}
351 
352 		fprintf(stdout, "Connection handle: %d\n",
353 			le16toh(ep->con_handle));
354 		fprintf(stdout, "Reason: %s [%#02x]\n",
355 			hci_status2str(ep->reason), ep->reason);
356 	} else
357 		goto again;
358 
359 	return (OK);
360 } /* hci_disconnect */
361 
362 /* Send Add_SCO_Connection command to the unit */
363 static int
364 hci_add_sco_connection(int s, int argc, char **argv)
365 {
366 	int			 n;
367 	char			 b[512];
368 	ng_hci_add_sco_con_cp	 cp;
369 	ng_hci_event_pkt_t	*e = (ng_hci_event_pkt_t *) b;
370 
371 	/* Set defaults */
372 	memset(&cp, 0, sizeof(cp));
373 	cp.pkt_type = htole16(NG_HCI_PKT_HV1 | NG_HCI_PKT_HV2 | NG_HCI_PKT_HV3);
374 
375 	/* parse command parameters */
376 	switch (argc) {
377 	case 2:
378 		/* packet type */
379 		if (sscanf(argv[1], "%x", &n) != 1)
380 			return (USAGE);
381 
382 		n &= (NG_HCI_PKT_HV1 | NG_HCI_PKT_HV2 | NG_HCI_PKT_HV3);
383 		if (n == 0)
384 			return (USAGE);
385 
386 		cp.pkt_type = (uint16_t) (n & 0x0fff);
387 		cp.pkt_type = htole16(cp.pkt_type);
388 
389 	case 1:
390 		/* acl connection handle */
391 		if (sscanf(argv[0], "%d", &n) != 1 || n <= 0 || n > 0x0eff)
392 			return (USAGE);
393 
394 		cp.con_handle = (uint16_t) (n & 0x0fff);
395 		cp.con_handle = htole16(cp.con_handle);
396 		break;
397 
398 	default:
399 		return (USAGE);
400 	}
401 
402 	/* send request and expect status response */
403 	n = sizeof(b);
404 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
405 			NG_HCI_OCF_ADD_SCO_CON),
406 			(char const *) &cp, sizeof(cp), b, &n) == ERROR)
407 		return (ERROR);
408 
409 	if (*b != 0x00)
410 		return (FAILED);
411 
412 	/* wait for event */
413 again:
414 	n = sizeof(b);
415 	if (hci_recv(s, b, &n) == ERROR)
416 		return (ERROR);
417 	if (n < sizeof(*e)) {
418 		errno = EIO;
419 		return (ERROR);
420 	}
421 
422 	if (e->event == NG_HCI_EVENT_CON_COMPL) {
423 		ng_hci_con_compl_ep	*ep = (ng_hci_con_compl_ep *)(e + 1);
424 
425 		if (ep->status != 0x00) {
426 			fprintf(stdout, "Status: %s [%#02x]\n",
427 				hci_status2str(ep->status), ep->status);
428 			return (FAILED);
429 		}
430 
431 		fprintf(stdout, "BD_ADDR: %s\n", hci_bdaddr2str(&ep->bdaddr));
432 		fprintf(stdout, "Connection handle: %d\n",
433 			le16toh(ep->con_handle));
434 		fprintf(stdout, "Encryption mode: %s [%d]\n",
435 			hci_encrypt2str(ep->encryption_mode, 0),
436 			ep->encryption_mode);
437 	} else
438 		goto again;
439 
440 	return (OK);
441 } /* Add_SCO_Connection */
442 
443 /* Send Change_Connection_Packet_Type command to the unit */
444 static int
445 hci_change_connection_packet_type(int s, int argc, char **argv)
446 {
447 	int				 n;
448 	char				 b[512];
449 	ng_hci_change_con_pkt_type_cp	 cp;
450 	ng_hci_event_pkt_t		*e = (ng_hci_event_pkt_t *) b;
451 
452 	switch (argc) {
453 	case 2:
454 		/* connection handle */
455 		if (sscanf(argv[0], "%d", &n) != 1 || n <= 0 || n > 0x0eff)
456 			return (USAGE);
457 
458 		cp.con_handle = (uint16_t) (n & 0x0fff);
459 		cp.con_handle = htole16(cp.con_handle);
460 
461 		/* packet type */
462 		if (sscanf(argv[1], "%x", &n) != 1)
463 			return (USAGE);
464 
465 		cp.pkt_type = (uint16_t) (n & 0xffff);
466 		cp.pkt_type = htole16(cp.pkt_type);
467 		break;
468 
469 	default:
470 		return (USAGE);
471 	}
472 
473 	/* send request and expect status response */
474 	n = sizeof(b);
475 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
476 			NG_HCI_OCF_CHANGE_CON_PKT_TYPE),
477 			(char const *) &cp, sizeof(cp), b, &n) == ERROR)
478 		return (ERROR);
479 
480 	if (*b != 0x00)
481 		return (FAILED);
482 
483 	/* wait for event */
484 again:
485 	n = sizeof(b);
486 	if (hci_recv(s, b, &n) == ERROR)
487 		return (ERROR);
488 	if (n < sizeof(*e)) {
489 		errno = EIO;
490 		return (ERROR);
491 	}
492 
493 	if (e->event == NG_HCI_EVENT_CON_PKT_TYPE_CHANGED) {
494 		ng_hci_con_pkt_type_changed_ep	*ep =
495 				(ng_hci_con_pkt_type_changed_ep *)(e + 1);
496 
497 		if (ep->status != 0x00) {
498 			fprintf(stdout, "Status: %s [%#02x]\n",
499 				hci_status2str(ep->status), ep->status);
500 			return (FAILED);
501 		}
502 
503 		fprintf(stdout, "Connection handle: %d\n",
504 			le16toh(ep->con_handle));
505 		fprintf(stdout, "Packet type: %#04x\n",
506 			le16toh(ep->pkt_type));
507 	} else
508 		goto again;
509 
510 	return (OK);
511 } /* hci_change_connection_packet_type */
512 
513 /* Send Remote_Name_Request command to the unit */
514 static int
515 hci_remote_name_request(int s, int argc, char **argv)
516 {
517 	int				 n0;
518 	char				 b[512];
519 	ng_hci_remote_name_req_cp	 cp;
520 	ng_hci_event_pkt_t		*e = (ng_hci_event_pkt_t *) b;
521 
522 	memset(&cp, 0, sizeof(cp));
523 	cp.page_scan_rep_mode = NG_HCI_SCAN_REP_MODE0;
524 	cp.page_scan_mode = NG_HCI_MANDATORY_PAGE_SCAN_MODE;
525 
526 	/* parse command parameters */
527 	switch (argc) {
528 	case 4:
529 		/* clock_offset */
530 		if (sscanf(argv[3], "%x", &n0) != 1)
531 			return (USAGE);
532 
533 		cp.clock_offset = (n0 & 0xffff);
534 		cp.clock_offset = htole16(cp.clock_offset);
535 
536 	case 3:
537 		/* page_scan_mode */
538 		if (sscanf(argv[2], "%d", &n0) != 1 || n0 < 0x00 || n0 > 0x03)
539 			return (USAGE);
540 
541 		cp.page_scan_mode = (n0 & 0xff);
542 
543 	case 2:
544 		/* page_scan_rep_mode */
545 		if (sscanf(argv[1], "%d", &n0) != 1 || n0 < 0x00 || n0 > 0x02)
546 			return (USAGE);
547 
548 		cp.page_scan_rep_mode = (n0 & 0xff);
549 
550 	case 1:
551 		/* BD_ADDR */
552 		if (!bt_aton(argv[0], &cp.bdaddr)) {
553 			struct hostent	*he = NULL;
554 
555 			if ((he = bt_gethostbyname(argv[0])) == NULL)
556 				return (USAGE);
557 
558 			memcpy(&cp.bdaddr, he->h_addr, sizeof(cp.bdaddr));
559 		}
560 		break;
561 
562 	default:
563 		return (USAGE);
564 	}
565 
566 	/* send request and expect status response */
567 	n0 = sizeof(b);
568 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
569 			NG_HCI_OCF_REMOTE_NAME_REQ),
570 			(char const *) &cp, sizeof(cp), b, &n0) == ERROR)
571 		return (ERROR);
572 
573 	if (*b != 0x00)
574 		return (FAILED);
575 
576 	/* wait for event */
577 again:
578 	n0 = sizeof(b);
579 	if (hci_recv(s, b, &n0) == ERROR)
580 		return (ERROR);
581 	if (n0 < sizeof(*e)) {
582 		errno = EIO;
583 		return (ERROR);
584 	}
585 
586 	if (e->event == NG_HCI_EVENT_REMOTE_NAME_REQ_COMPL) {
587 		ng_hci_remote_name_req_compl_ep	*ep =
588 				(ng_hci_remote_name_req_compl_ep *)(e + 1);
589 
590 		if (ep->status != 0x00) {
591 			fprintf(stdout, "Status: %s [%#02x]\n",
592 				hci_status2str(ep->status), ep->status);
593 			return (FAILED);
594 		}
595 
596 		fprintf(stdout, "BD_ADDR: %s\n", hci_bdaddr2str(&ep->bdaddr));
597 		fprintf(stdout, "Name: %s\n", ep->name);
598 	} else
599 		goto again;
600 
601 	return (OK);
602 } /* hci_remote_name_request */
603 
604 /* Send Read_Remote_Supported_Features command to the unit */
605 static int
606 hci_read_remote_supported_features(int s, int argc, char **argv)
607 {
608 	int				 n;
609 	char				 b[512];
610 	ng_hci_read_remote_features_cp	 cp;
611 	ng_hci_event_pkt_t		*e = (ng_hci_event_pkt_t *) b;
612 	char				 buffer[1024];
613 
614 	/* parse command parameters */
615 	switch (argc) {
616 	case 1:
617 		/* connecton handle */
618 		if (sscanf(argv[0], "%d", &n) != 1 || n < 0 || n > 0x0eff)
619 			return (USAGE);
620 
621 		cp.con_handle = (n & 0x0fff);
622 		cp.con_handle = htole16(cp.con_handle);
623 		break;
624 
625 	default:
626 		return (USAGE);
627 	}
628 
629 	/* send request and expect status response */
630 	n = sizeof(b);
631 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
632 			NG_HCI_OCF_READ_REMOTE_FEATURES),
633 			(char const *) &cp, sizeof(cp), b, &n) == ERROR)
634 		return (ERROR);
635 
636 	if (*b != 0x00)
637 		return (FAILED);
638 
639 	/* wait for event */
640 again:
641 	n = sizeof(b);
642 	if (hci_recv(s, b, &n) == ERROR)
643 		return (ERROR);
644 
645 	if (n < sizeof(*e)) {
646 		errno = EIO;
647 		return (ERROR);
648 	}
649 
650 	if (e->event == NG_HCI_EVENT_READ_REMOTE_FEATURES_COMPL) {
651 		ng_hci_read_remote_features_compl_ep	*ep =
652 				(ng_hci_read_remote_features_compl_ep *)(e + 1);
653 
654 		if (ep->status != 0x00) {
655 			fprintf(stdout, "Status: %s [%#02x]\n",
656 				hci_status2str(ep->status), ep->status);
657 			return (FAILED);
658 		}
659 
660 		fprintf(stdout, "Connection handle: %d\n",
661 			le16toh(ep->con_handle));
662 		fprintf(stdout, "Features: ");
663 		for (n = 0; n < sizeof(ep->features); n++)
664 			fprintf(stdout, "%#02x ", ep->features[n]);
665 		fprintf(stdout, "\n%s\n", hci_features2str(ep->features,
666 			buffer, sizeof(buffer)));
667 	} else
668 		goto again;
669 
670 	return (OK);
671 } /* hci_read_remote_supported_features */
672 
673 /* Send Read_Remote_Version_Information command to the unit */
674 static int
675 hci_read_remote_version_information(int s, int argc, char **argv)
676 {
677 	int				 n;
678 	char				 b[512];
679 	ng_hci_read_remote_ver_info_cp	 cp;
680 	ng_hci_event_pkt_t		*e = (ng_hci_event_pkt_t *) b;
681 
682 	/* parse command parameters */
683 	switch (argc) {
684 	case 1:
685 		/* connecton handle */
686 		if (sscanf(argv[0], "%d", &n) != 1 || n < 0 || n > 0x0eff)
687 			return (USAGE);
688 
689 		cp.con_handle = (n & 0x0fff);
690 		cp.con_handle = htole16(cp.con_handle);
691 		break;
692 
693 	default:
694 		return (USAGE);
695 	}
696 
697 	/* send request and expect status response */
698 	n = sizeof(b);
699 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
700 			NG_HCI_OCF_READ_REMOTE_VER_INFO),
701 			(char const *) &cp, sizeof(cp), b, &n) == ERROR)
702 		return (ERROR);
703 
704 	if (*b != 0x00)
705 		return (FAILED);
706 
707 	/* wait for event */
708 again:
709 	n = sizeof(b);
710 	if (hci_recv(s, b, &n) == ERROR)
711 		return (ERROR);
712 
713 	if (n < sizeof(*e)) {
714 		errno = EIO;
715 		return (ERROR);
716 	}
717 
718 	if (e->event == NG_HCI_EVENT_READ_REMOTE_VER_INFO_COMPL) {
719 		ng_hci_read_remote_ver_info_compl_ep	*ep =
720 				(ng_hci_read_remote_ver_info_compl_ep *)(e + 1);
721 
722 		if (ep->status != 0x00) {
723 			fprintf(stdout, "Status: %s [%#02x]\n",
724 				hci_status2str(ep->status), ep->status);
725 			return (FAILED);
726 		}
727 
728 		ep->manufacturer = le16toh(ep->manufacturer);
729 
730 		fprintf(stdout, "Connection handle: %d\n",
731 			le16toh(ep->con_handle));
732 		fprintf(stdout, "LMP version: %s [%#02x]\n",
733 			hci_lmpver2str(ep->lmp_version), ep->lmp_version);
734 		fprintf(stdout, "LMP sub-version: %#04x\n",
735 			le16toh(ep->lmp_subversion));
736 		fprintf(stdout, "Manufacturer: %s [%#04x]\n",
737 			hci_manufacturer2str(ep->manufacturer),
738 			ep->manufacturer);
739 	} else
740 		goto again;
741 
742 	return (OK);
743 } /* hci_read_remote_version_information */
744 
745 /* Send Read_Clock_Offset command to the unit */
746 static int
747 hci_read_clock_offset(int s, int argc, char **argv)
748 {
749 	int				 n;
750 	char				 b[512];
751 	ng_hci_read_clock_offset_cp	 cp;
752 	ng_hci_event_pkt_t		*e = (ng_hci_event_pkt_t *) b;
753 
754 	/* parse command parameters */
755 	switch (argc) {
756 	case 1:
757 		/* connecton handle */
758 		if (sscanf(argv[0], "%d", &n) != 1 || n < 0 || n > 0x0eff)
759 			return (USAGE);
760 
761 		cp.con_handle = (n & 0x0fff);
762 		cp.con_handle = htole16(cp.con_handle);
763 		break;
764 
765 	default:
766 		return (USAGE);
767 	}
768 
769 	/* send request and expect status response */
770 	n = sizeof(b);
771 	if (hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LINK_CONTROL,
772 			NG_HCI_OCF_READ_CLOCK_OFFSET),
773 			(char const *) &cp, sizeof(cp), b, &n) == ERROR)
774 		return (ERROR);
775 
776 	if (*b != 0x00)
777 		return (FAILED);
778 
779 	/* wait for event */
780 again:
781 	n = sizeof(b);
782 	if (hci_recv(s, b, &n) == ERROR)
783 		return (ERROR);
784 
785 	if (n < sizeof(*e)) {
786 		errno = EIO;
787 		return (ERROR);
788 	}
789 
790 	if (e->event == NG_HCI_EVENT_READ_CLOCK_OFFSET_COMPL) {
791 		ng_hci_read_clock_offset_compl_ep	*ep =
792 				(ng_hci_read_clock_offset_compl_ep *)(e + 1);
793 
794 		if (ep->status != 0x00) {
795 			fprintf(stdout, "Status: %s [%#02x]\n",
796 				hci_status2str(ep->status), ep->status);
797 			return (FAILED);
798 		}
799 
800 		fprintf(stdout, "Connection handle: %d\n",
801 			le16toh(ep->con_handle));
802 		fprintf(stdout, "Clock offset: %#04x\n",
803 			le16toh(ep->clock_offset));
804 	} else
805 		goto again;
806 
807 	return (OK);
808 } /* hci_read_clock_offset */
809 
810 struct hci_command	link_control_commands[] = {
811 {
812 "inquiry <LAP> <inquiry_length> <num_reponses>",
813 "\nThis command will cause the Bluetooth unit to enter Inquiry Mode.\n" \
814 "Inquiry Mode is used to discover other nearby Bluetooth units. The LAP\n" \
815 "input parameter contains the LAP from which the inquiry access code shall\n" \
816 "be derived when the inquiry procedure is made. The Inquiry_Length parameter\n"\
817 "specifies the total duration of the Inquiry Mode and, when this time\n" \
818 "expires, Inquiry will be halted. The Num_Responses parameter specifies the\n" \
819 "number of responses that can be received before the Inquiry is halted.\n\n" \
820 "\t<LAP>            - xx:xx:xx; 9e:8b:33 (GIAC), 93:8b:00 (LDIAC)\n" \
821 "\t<inquiry_length> - dd; total length == dd * 1.28 sec\n" \
822 "\t<num_responses>  - dd",
823 &hci_inquiry
824 },
825 {
826 "create_connection <BD_ADDR> <pkt> <rep_mode> <ps_mode> <clck_off> <role_sw>",
827 "" \
828 "\t<BD_ADDR> - xx:xx:xx:xx:xx:xx BD_ADDR or name\n\n" \
829 "\t<pkt>     - xxxx; packet type\n" \
830 "" \
831 "\t\tACL packets\n" \
832 "\t\t-----------\n" \
833 "\t\t0x0008 DM1\n" \
834 "\t\t0x0010 DH1\n" \
835 "\t\t0x0400 DM3\n" \
836 "\t\t0x0800 DH3\n" \
837 "\t\t0x4000 DM5\n" \
838 "\t\t0x8000 DH5\n\n" \
839 "" \
840 "\trep_mode  - d; page scan repetition mode\n" \
841 "" \
842 "\t\tPage scan repetition modes\n" \
843 "\t\t--------------------------\n" \
844 "\t\t0 Page scan repetition mode 0\n" \
845 "\t\t1 Page scan repetition mode 1\n" \
846 "\t\t2 Page scan repetition mode 2\n" \
847 "\n" \
848 "\tps_mode   - d; Page scan mode\n" \
849 "" \
850 "\t\tPage scan modes\n" \
851 "\t\t---------------\n" \
852 "\t\t0 Mandatory page scan mode\n" \
853 "\t\t1 Optional page scan mode1\n" \
854 "\t\t2 Optional page scan mode2\n" \
855 "\t\t3 Optional page scan mode3\n" \
856 "\n" \
857 "\tclck_off  - dddd; clock offset. Use 0 if unknown\n\n" \
858 "\trole_sw   - d; allow (1) or deny role switch\n",
859 &hci_create_connection
860 },
861 {
862 "disconnect <connection_handle> <reason>",
863 "\nThe Disconnection command is used to terminate an existing connection.\n" \
864 "The connection handle command parameter indicates which connection is to\n" \
865 "be disconnected. The Reason command parameter indicates the reason for\n" \
866 "ending the connection.\n\n" \
867 "\t<connection_handle> - dddd; connection handle\n" \
868 "\t<reason>            - dd; reason; usually 19 (0x13) - user ended;\n" \
869 "\t                      also 0x05, 0x13-0x15, 0x1A, 0x29",
870 &hci_disconnect
871 },
872 {
873 "add_sco_connection <acl connection handle> <packet type>",
874 "This command will cause the link manager to create a SCO connection using\n" \
875 "the ACL connection specified by the connection handle command parameter.\n" \
876 "The Link Manager will determine how the new connection is established. This\n"\
877 "connection is determined by the current state of the device, its piconet,\n" \
878 "and the state of the device to be connected. The packet type command parameter\n" \
879 "specifies which packet types the Link Manager should use for the connection.\n"\
880 "The Link Manager must only use the packet type(s) specified by the packet\n" \
881 "type command parameter for sending HCI SCO data packets. Multiple packet\n" \
882 "types may be specified for the packet type command parameter by performing\n" \
883 "a bitwise OR operation of the different packet types. Note: An SCO connection\n" \
884 "can only be created when an ACL connection already exists and when it is\n" \
885 "not put in park mode.\n\n" \
886 "\t<connection_handle> - dddd; ACL connection handle\n" \
887 "\t<packet_type>       - xxxx; packet type\n" \
888 "" \
889 "\t\tSCO packets\n" \
890 "\t\t-----------\n" \
891 "\t\t0x0020 HV1\n" \
892 "\t\t0x0040 HV2\n" \
893 "\t\t0x0080 HV3\n",
894 &hci_add_sco_connection
895 },
896 {
897 "change_connection_packet_type <connection_hande> <packet_type>",
898 "The Change_Connection_Packet_Type command is used to change which packet\n" \
899 "types can be used for a connection that is currently established. This\n" \
900 "allows current connections to be dynamically modified to support different\n" \
901 "types of user data. The Packet_Type command parameter specifies which\n" \
902 "packet types the Link Manager can use for the connection. Multiple packet\n" \
903 "types may be specified for the Packet_Type command parameter by bitwise OR\n" \
904 "operation of the different packet types.\n\n" \
905 "\t<connection_handle> - dddd; connection handle\n" \
906 "\t<packet_type>       - xxxx; packet type mask\n" \
907 "" \
908 "\t\tACL packets\n" \
909 "\t\t-----------\n" \
910 "\t\t0x0008 DM1\n" \
911 "\t\t0x0010 DH1\n" \
912 "\t\t0x0400 DM3\n" \
913 "\t\t0x0800 DH3\n" \
914 "\t\t0x4000 DM5\n" \
915 "\t\t0x8000 DH5\n\n" \
916 "" \
917 "\t\tSCO packets\n" \
918 "\t\t-----------\n" \
919 "\t\t0x0020 HV1\n" \
920 "\t\t0x0040 HV2\n" \
921 "\t\t0x0080 HV3\n" \
922 "",
923 &hci_change_connection_packet_type
924 },
925 {
926 "remote_name_request <BD_ADDR> <ps_rep_mode> <ps_mode> <clock_offset>",
927 "\nThe Remote_Name_Request command is used to obtain the user-friendly\n" \
928 "name of another Bluetooth unit.\n\n" \
929 "\t<BD_ADDR>      - xx:xx:xx:xx:xx:xx BD_ADDR or name\n" \
930 "\t<ps_rep_mode>  - dd; page scan repetition mode [0-2]\n" \
931 "\t<ps_mode>      - dd; page scan mode [0-3]\n" \
932 "\t<clock_offset> - xxxx; clock offset [0 - 0xffff]",
933 &hci_remote_name_request
934 },
935 {
936 "read_remote_supported_features <connection_handle>",
937 "\nThis command requests a list of the supported features for the remote\n" \
938 "unit identified by the connection handle parameter. The connection handle\n" \
939 "must be a connection handle for an ACL connection.\n\n" \
940 "\t<connection_handle> - dddd; connection handle",
941 &hci_read_remote_supported_features
942 },
943 {
944 "read_remote_version_information <connection_handle>",
945 "\nThis command will obtain the values for the version information for the\n" \
946 "remote Bluetooth unit identified by the connection handle parameter. The\n" \
947 "connection handle must be a connection handle for an ACL connection.\n\n" \
948 "\t<connection_handle> - dddd; connection handle",
949 &hci_read_remote_version_information
950 },
951 {
952 "read_clock_offset <connection_handle>",
953 "\nThis command allows the Host to read the clock offset from the remote unit.\n" \
954 "\t<connection_handle> - dddd; connection handle",
955 &hci_read_clock_offset
956 },
957 {
958 NULL,
959 }};
960 
961