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[Bluetooth] Use a more unique bus name for connections
[deliverable/linux.git] / net / bluetooth / hci_event.c
1 /*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23 */
24
25 /* Bluetooth HCI event handling. */
26
27 #include <linux/module.h>
28
29 #include <linux/types.h>
30 #include <linux/errno.h>
31 #include <linux/kernel.h>
32 #include <linux/slab.h>
33 #include <linux/poll.h>
34 #include <linux/fcntl.h>
35 #include <linux/init.h>
36 #include <linux/skbuff.h>
37 #include <linux/interrupt.h>
38 #include <linux/notifier.h>
39 #include <net/sock.h>
40
41 #include <asm/system.h>
42 #include <asm/uaccess.h>
43 #include <asm/unaligned.h>
44
45 #include <net/bluetooth/bluetooth.h>
46 #include <net/bluetooth/hci_core.h>
47
48 #ifndef CONFIG_BT_HCI_CORE_DEBUG
49 #undef BT_DBG
50 #define BT_DBG(D...)
51 #endif
52
53 /* Handle HCI Event packets */
54
55 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
56 {
57 __u8 status = *((__u8 *) skb->data);
58
59 BT_DBG("%s status 0x%x", hdev->name, status);
60
61 if (status)
62 return;
63
64 clear_bit(HCI_INQUIRY, &hdev->flags);
65
66 hci_req_complete(hdev, status);
67
68 hci_conn_check_pending(hdev);
69 }
70
71 static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
72 {
73 __u8 status = *((__u8 *) skb->data);
74
75 BT_DBG("%s status 0x%x", hdev->name, status);
76
77 if (status)
78 return;
79
80 clear_bit(HCI_INQUIRY, &hdev->flags);
81
82 hci_conn_check_pending(hdev);
83 }
84
85 static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb)
86 {
87 BT_DBG("%s", hdev->name);
88 }
89
90 static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
91 {
92 struct hci_rp_role_discovery *rp = (void *) skb->data;
93 struct hci_conn *conn;
94
95 BT_DBG("%s status 0x%x", hdev->name, rp->status);
96
97 if (rp->status)
98 return;
99
100 hci_dev_lock(hdev);
101
102 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
103 if (conn) {
104 if (rp->role)
105 conn->link_mode &= ~HCI_LM_MASTER;
106 else
107 conn->link_mode |= HCI_LM_MASTER;
108 }
109
110 hci_dev_unlock(hdev);
111 }
112
113 static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
114 {
115 struct hci_rp_read_link_policy *rp = (void *) skb->data;
116 struct hci_conn *conn;
117
118 BT_DBG("%s status 0x%x", hdev->name, rp->status);
119
120 if (rp->status)
121 return;
122
123 hci_dev_lock(hdev);
124
125 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
126 if (conn)
127 conn->link_policy = __le16_to_cpu(rp->policy);
128
129 hci_dev_unlock(hdev);
130 }
131
132 static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
133 {
134 struct hci_rp_write_link_policy *rp = (void *) skb->data;
135 struct hci_conn *conn;
136 void *sent;
137
138 BT_DBG("%s status 0x%x", hdev->name, rp->status);
139
140 if (rp->status)
141 return;
142
143 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
144 if (!sent)
145 return;
146
147 hci_dev_lock(hdev);
148
149 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
150 if (conn)
151 conn->link_policy = get_unaligned_le16(sent + 2);
152
153 hci_dev_unlock(hdev);
154 }
155
156 static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
157 {
158 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
159
160 BT_DBG("%s status 0x%x", hdev->name, rp->status);
161
162 if (rp->status)
163 return;
164
165 hdev->link_policy = __le16_to_cpu(rp->policy);
166 }
167
168 static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
169 {
170 __u8 status = *((__u8 *) skb->data);
171 void *sent;
172
173 BT_DBG("%s status 0x%x", hdev->name, status);
174
175 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
176 if (!sent)
177 return;
178
179 if (!status)
180 hdev->link_policy = get_unaligned_le16(sent);
181
182 hci_req_complete(hdev, status);
183 }
184
185 static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
186 {
187 __u8 status = *((__u8 *) skb->data);
188
189 BT_DBG("%s status 0x%x", hdev->name, status);
190
191 hci_req_complete(hdev, status);
192 }
193
194 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
195 {
196 __u8 status = *((__u8 *) skb->data);
197 void *sent;
198
199 BT_DBG("%s status 0x%x", hdev->name, status);
200
201 if (status)
202 return;
203
204 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
205 if (!sent)
206 return;
207
208 memcpy(hdev->dev_name, sent, 248);
209 }
210
211 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
212 {
213 struct hci_rp_read_local_name *rp = (void *) skb->data;
214
215 BT_DBG("%s status 0x%x", hdev->name, rp->status);
216
217 if (rp->status)
218 return;
219
220 memcpy(hdev->dev_name, rp->name, 248);
221 }
222
223 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
224 {
225 __u8 status = *((__u8 *) skb->data);
226 void *sent;
227
228 BT_DBG("%s status 0x%x", hdev->name, status);
229
230 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
231 if (!sent)
232 return;
233
234 if (!status) {
235 __u8 param = *((__u8 *) sent);
236
237 if (param == AUTH_ENABLED)
238 set_bit(HCI_AUTH, &hdev->flags);
239 else
240 clear_bit(HCI_AUTH, &hdev->flags);
241 }
242
243 hci_req_complete(hdev, status);
244 }
245
246 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
247 {
248 __u8 status = *((__u8 *) skb->data);
249 void *sent;
250
251 BT_DBG("%s status 0x%x", hdev->name, status);
252
253 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
254 if (!sent)
255 return;
256
257 if (!status) {
258 __u8 param = *((__u8 *) sent);
259
260 if (param)
261 set_bit(HCI_ENCRYPT, &hdev->flags);
262 else
263 clear_bit(HCI_ENCRYPT, &hdev->flags);
264 }
265
266 hci_req_complete(hdev, status);
267 }
268
269 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
270 {
271 __u8 status = *((__u8 *) skb->data);
272 void *sent;
273
274 BT_DBG("%s status 0x%x", hdev->name, status);
275
276 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
277 if (!sent)
278 return;
279
280 if (!status) {
281 __u8 param = *((__u8 *) sent);
282
283 clear_bit(HCI_PSCAN, &hdev->flags);
284 clear_bit(HCI_ISCAN, &hdev->flags);
285
286 if (param & SCAN_INQUIRY)
287 set_bit(HCI_ISCAN, &hdev->flags);
288
289 if (param & SCAN_PAGE)
290 set_bit(HCI_PSCAN, &hdev->flags);
291 }
292
293 hci_req_complete(hdev, status);
294 }
295
296 static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
297 {
298 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
299
300 BT_DBG("%s status 0x%x", hdev->name, rp->status);
301
302 if (rp->status)
303 return;
304
305 memcpy(hdev->dev_class, rp->dev_class, 3);
306
307 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
308 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
309 }
310
311 static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
312 {
313 __u8 status = *((__u8 *) skb->data);
314 void *sent;
315
316 BT_DBG("%s status 0x%x", hdev->name, status);
317
318 if (status)
319 return;
320
321 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
322 if (!sent)
323 return;
324
325 memcpy(hdev->dev_class, sent, 3);
326 }
327
328 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
329 {
330 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
331 __u16 setting;
332
333 BT_DBG("%s status 0x%x", hdev->name, rp->status);
334
335 if (rp->status)
336 return;
337
338 setting = __le16_to_cpu(rp->voice_setting);
339
340 if (hdev->voice_setting == setting)
341 return;
342
343 hdev->voice_setting = setting;
344
345 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
346
347 if (hdev->notify) {
348 tasklet_disable(&hdev->tx_task);
349 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
350 tasklet_enable(&hdev->tx_task);
351 }
352 }
353
354 static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
355 {
356 __u8 status = *((__u8 *) skb->data);
357 __u16 setting;
358 void *sent;
359
360 BT_DBG("%s status 0x%x", hdev->name, status);
361
362 if (status)
363 return;
364
365 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
366 if (!sent)
367 return;
368
369 setting = get_unaligned_le16(sent);
370
371 if (hdev->voice_setting == setting)
372 return;
373
374 hdev->voice_setting = setting;
375
376 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
377
378 if (hdev->notify) {
379 tasklet_disable(&hdev->tx_task);
380 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
381 tasklet_enable(&hdev->tx_task);
382 }
383 }
384
385 static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
386 {
387 __u8 status = *((__u8 *) skb->data);
388
389 BT_DBG("%s status 0x%x", hdev->name, status);
390
391 hci_req_complete(hdev, status);
392 }
393
394 static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
395 {
396 struct hci_rp_read_ssp_mode *rp = (void *) skb->data;
397
398 BT_DBG("%s status 0x%x", hdev->name, rp->status);
399
400 if (rp->status)
401 return;
402
403 hdev->ssp_mode = rp->mode;
404 }
405
406 static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
407 {
408 __u8 status = *((__u8 *) skb->data);
409 void *sent;
410
411 BT_DBG("%s status 0x%x", hdev->name, status);
412
413 if (status)
414 return;
415
416 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
417 if (!sent)
418 return;
419
420 hdev->ssp_mode = *((__u8 *) sent);
421 }
422
423 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
424 {
425 struct hci_rp_read_local_version *rp = (void *) skb->data;
426
427 BT_DBG("%s status 0x%x", hdev->name, rp->status);
428
429 if (rp->status)
430 return;
431
432 hdev->hci_ver = rp->hci_ver;
433 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
434 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
435
436 BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
437 hdev->manufacturer,
438 hdev->hci_ver, hdev->hci_rev);
439 }
440
441 static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
442 {
443 struct hci_rp_read_local_commands *rp = (void *) skb->data;
444
445 BT_DBG("%s status 0x%x", hdev->name, rp->status);
446
447 if (rp->status)
448 return;
449
450 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
451 }
452
453 static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
454 {
455 struct hci_rp_read_local_features *rp = (void *) skb->data;
456
457 BT_DBG("%s status 0x%x", hdev->name, rp->status);
458
459 if (rp->status)
460 return;
461
462 memcpy(hdev->features, rp->features, 8);
463
464 /* Adjust default settings according to features
465 * supported by device. */
466
467 if (hdev->features[0] & LMP_3SLOT)
468 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
469
470 if (hdev->features[0] & LMP_5SLOT)
471 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
472
473 if (hdev->features[1] & LMP_HV2) {
474 hdev->pkt_type |= (HCI_HV2);
475 hdev->esco_type |= (ESCO_HV2);
476 }
477
478 if (hdev->features[1] & LMP_HV3) {
479 hdev->pkt_type |= (HCI_HV3);
480 hdev->esco_type |= (ESCO_HV3);
481 }
482
483 if (hdev->features[3] & LMP_ESCO)
484 hdev->esco_type |= (ESCO_EV3);
485
486 if (hdev->features[4] & LMP_EV4)
487 hdev->esco_type |= (ESCO_EV4);
488
489 if (hdev->features[4] & LMP_EV5)
490 hdev->esco_type |= (ESCO_EV5);
491
492 BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
493 hdev->features[0], hdev->features[1],
494 hdev->features[2], hdev->features[3],
495 hdev->features[4], hdev->features[5],
496 hdev->features[6], hdev->features[7]);
497 }
498
499 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
500 {
501 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
502
503 BT_DBG("%s status 0x%x", hdev->name, rp->status);
504
505 if (rp->status)
506 return;
507
508 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
509 hdev->sco_mtu = rp->sco_mtu;
510 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
511 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
512
513 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
514 hdev->sco_mtu = 64;
515 hdev->sco_pkts = 8;
516 }
517
518 hdev->acl_cnt = hdev->acl_pkts;
519 hdev->sco_cnt = hdev->sco_pkts;
520
521 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name,
522 hdev->acl_mtu, hdev->acl_pkts,
523 hdev->sco_mtu, hdev->sco_pkts);
524 }
525
526 static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
527 {
528 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
529
530 BT_DBG("%s status 0x%x", hdev->name, rp->status);
531
532 if (!rp->status)
533 bacpy(&hdev->bdaddr, &rp->bdaddr);
534
535 hci_req_complete(hdev, rp->status);
536 }
537
538 static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
539 {
540 BT_DBG("%s status 0x%x", hdev->name, status);
541
542 if (status) {
543 hci_req_complete(hdev, status);
544
545 hci_conn_check_pending(hdev);
546 } else
547 set_bit(HCI_INQUIRY, &hdev->flags);
548 }
549
550 static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
551 {
552 struct hci_cp_create_conn *cp;
553 struct hci_conn *conn;
554
555 BT_DBG("%s status 0x%x", hdev->name, status);
556
557 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
558 if (!cp)
559 return;
560
561 hci_dev_lock(hdev);
562
563 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
564
565 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
566
567 if (status) {
568 if (conn && conn->state == BT_CONNECT) {
569 if (status != 0x0c || conn->attempt > 2) {
570 conn->state = BT_CLOSED;
571 hci_proto_connect_cfm(conn, status);
572 hci_conn_del(conn);
573 } else
574 conn->state = BT_CONNECT2;
575 }
576 } else {
577 if (!conn) {
578 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
579 if (conn) {
580 conn->out = 1;
581 conn->link_mode |= HCI_LM_MASTER;
582 } else
583 BT_ERR("No memmory for new connection");
584 }
585 }
586
587 hci_dev_unlock(hdev);
588 }
589
590 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
591 {
592 struct hci_cp_add_sco *cp;
593 struct hci_conn *acl, *sco;
594 __u16 handle;
595
596 BT_DBG("%s status 0x%x", hdev->name, status);
597
598 if (!status)
599 return;
600
601 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
602 if (!cp)
603 return;
604
605 handle = __le16_to_cpu(cp->handle);
606
607 BT_DBG("%s handle %d", hdev->name, handle);
608
609 hci_dev_lock(hdev);
610
611 acl = hci_conn_hash_lookup_handle(hdev, handle);
612 if (acl && (sco = acl->link)) {
613 sco->state = BT_CLOSED;
614
615 hci_proto_connect_cfm(sco, status);
616 hci_conn_del(sco);
617 }
618
619 hci_dev_unlock(hdev);
620 }
621
622 static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
623 {
624 struct hci_cp_auth_requested *cp;
625 struct hci_conn *conn;
626
627 BT_DBG("%s status 0x%x", hdev->name, status);
628
629 if (!status)
630 return;
631
632 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
633 if (!cp)
634 return;
635
636 hci_dev_lock(hdev);
637
638 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
639 if (conn) {
640 if (conn->state == BT_CONFIG) {
641 hci_proto_connect_cfm(conn, status);
642 hci_conn_put(conn);
643 }
644 }
645
646 hci_dev_unlock(hdev);
647 }
648
649 static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
650 {
651 struct hci_cp_set_conn_encrypt *cp;
652 struct hci_conn *conn;
653
654 BT_DBG("%s status 0x%x", hdev->name, status);
655
656 if (!status)
657 return;
658
659 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
660 if (!cp)
661 return;
662
663 hci_dev_lock(hdev);
664
665 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
666 if (conn) {
667 if (conn->state == BT_CONFIG) {
668 hci_proto_connect_cfm(conn, status);
669 hci_conn_put(conn);
670 }
671 }
672
673 hci_dev_unlock(hdev);
674 }
675
676 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
677 {
678 BT_DBG("%s status 0x%x", hdev->name, status);
679 }
680
681 static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
682 {
683 struct hci_cp_read_remote_features *cp;
684 struct hci_conn *conn;
685
686 BT_DBG("%s status 0x%x", hdev->name, status);
687
688 if (!status)
689 return;
690
691 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
692 if (!cp)
693 return;
694
695 hci_dev_lock(hdev);
696
697 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
698 if (conn) {
699 if (conn->state == BT_CONFIG) {
700 hci_proto_connect_cfm(conn, status);
701 hci_conn_put(conn);
702 }
703 }
704
705 hci_dev_unlock(hdev);
706 }
707
708 static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
709 {
710 struct hci_cp_read_remote_ext_features *cp;
711 struct hci_conn *conn;
712
713 BT_DBG("%s status 0x%x", hdev->name, status);
714
715 if (!status)
716 return;
717
718 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
719 if (!cp)
720 return;
721
722 hci_dev_lock(hdev);
723
724 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
725 if (conn) {
726 if (conn->state == BT_CONFIG) {
727 hci_proto_connect_cfm(conn, status);
728 hci_conn_put(conn);
729 }
730 }
731
732 hci_dev_unlock(hdev);
733 }
734
735 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
736 {
737 struct hci_cp_setup_sync_conn *cp;
738 struct hci_conn *acl, *sco;
739 __u16 handle;
740
741 BT_DBG("%s status 0x%x", hdev->name, status);
742
743 if (!status)
744 return;
745
746 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
747 if (!cp)
748 return;
749
750 handle = __le16_to_cpu(cp->handle);
751
752 BT_DBG("%s handle %d", hdev->name, handle);
753
754 hci_dev_lock(hdev);
755
756 acl = hci_conn_hash_lookup_handle(hdev, handle);
757 if (acl && (sco = acl->link)) {
758 sco->state = BT_CLOSED;
759
760 hci_proto_connect_cfm(sco, status);
761 hci_conn_del(sco);
762 }
763
764 hci_dev_unlock(hdev);
765 }
766
767 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
768 {
769 struct hci_cp_sniff_mode *cp;
770 struct hci_conn *conn;
771
772 BT_DBG("%s status 0x%x", hdev->name, status);
773
774 if (!status)
775 return;
776
777 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
778 if (!cp)
779 return;
780
781 hci_dev_lock(hdev);
782
783 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
784 if (conn)
785 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
786
787 hci_dev_unlock(hdev);
788 }
789
790 static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
791 {
792 struct hci_cp_exit_sniff_mode *cp;
793 struct hci_conn *conn;
794
795 BT_DBG("%s status 0x%x", hdev->name, status);
796
797 if (!status)
798 return;
799
800 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
801 if (!cp)
802 return;
803
804 hci_dev_lock(hdev);
805
806 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
807 if (conn)
808 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
809
810 hci_dev_unlock(hdev);
811 }
812
813 static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
814 {
815 __u8 status = *((__u8 *) skb->data);
816
817 BT_DBG("%s status %d", hdev->name, status);
818
819 clear_bit(HCI_INQUIRY, &hdev->flags);
820
821 hci_req_complete(hdev, status);
822
823 hci_conn_check_pending(hdev);
824 }
825
826 static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
827 {
828 struct inquiry_data data;
829 struct inquiry_info *info = (void *) (skb->data + 1);
830 int num_rsp = *((__u8 *) skb->data);
831
832 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
833
834 if (!num_rsp)
835 return;
836
837 hci_dev_lock(hdev);
838
839 for (; num_rsp; num_rsp--) {
840 bacpy(&data.bdaddr, &info->bdaddr);
841 data.pscan_rep_mode = info->pscan_rep_mode;
842 data.pscan_period_mode = info->pscan_period_mode;
843 data.pscan_mode = info->pscan_mode;
844 memcpy(data.dev_class, info->dev_class, 3);
845 data.clock_offset = info->clock_offset;
846 data.rssi = 0x00;
847 data.ssp_mode = 0x00;
848 info++;
849 hci_inquiry_cache_update(hdev, &data);
850 }
851
852 hci_dev_unlock(hdev);
853 }
854
855 static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
856 {
857 struct hci_ev_conn_complete *ev = (void *) skb->data;
858 struct hci_conn *conn;
859
860 BT_DBG("%s", hdev->name);
861
862 hci_dev_lock(hdev);
863
864 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
865 if (!conn)
866 goto unlock;
867
868 if (!ev->status) {
869 conn->handle = __le16_to_cpu(ev->handle);
870
871 if (conn->type == ACL_LINK) {
872 conn->state = BT_CONFIG;
873 hci_conn_hold(conn);
874 } else
875 conn->state = BT_CONNECTED;
876
877 hci_conn_add_sysfs(conn);
878
879 if (test_bit(HCI_AUTH, &hdev->flags))
880 conn->link_mode |= HCI_LM_AUTH;
881
882 if (test_bit(HCI_ENCRYPT, &hdev->flags))
883 conn->link_mode |= HCI_LM_ENCRYPT;
884
885 /* Get remote features */
886 if (conn->type == ACL_LINK) {
887 struct hci_cp_read_remote_features cp;
888 cp.handle = ev->handle;
889 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
890 sizeof(cp), &cp);
891 }
892
893 /* Set packet type for incoming connection */
894 if (!conn->out && hdev->hci_ver < 3) {
895 struct hci_cp_change_conn_ptype cp;
896 cp.handle = ev->handle;
897 cp.pkt_type = cpu_to_le16(conn->pkt_type);
898 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
899 sizeof(cp), &cp);
900 }
901 } else
902 conn->state = BT_CLOSED;
903
904 if (conn->type == ACL_LINK) {
905 struct hci_conn *sco = conn->link;
906 if (sco) {
907 if (!ev->status) {
908 if (lmp_esco_capable(hdev))
909 hci_setup_sync(sco, conn->handle);
910 else
911 hci_add_sco(sco, conn->handle);
912 } else {
913 hci_proto_connect_cfm(sco, ev->status);
914 hci_conn_del(sco);
915 }
916 }
917 }
918
919 if (ev->status) {
920 hci_proto_connect_cfm(conn, ev->status);
921 hci_conn_del(conn);
922 }
923
924 unlock:
925 hci_dev_unlock(hdev);
926
927 hci_conn_check_pending(hdev);
928 }
929
930 static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
931 {
932 struct hci_ev_conn_request *ev = (void *) skb->data;
933 int mask = hdev->link_mode;
934
935 BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
936 batostr(&ev->bdaddr), ev->link_type);
937
938 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
939
940 if (mask & HCI_LM_ACCEPT) {
941 /* Connection accepted */
942 struct inquiry_entry *ie;
943 struct hci_conn *conn;
944
945 hci_dev_lock(hdev);
946
947 if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr)))
948 memcpy(ie->data.dev_class, ev->dev_class, 3);
949
950 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
951 if (!conn) {
952 if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) {
953 BT_ERR("No memmory for new connection");
954 hci_dev_unlock(hdev);
955 return;
956 }
957 }
958
959 memcpy(conn->dev_class, ev->dev_class, 3);
960 conn->state = BT_CONNECT;
961
962 hci_dev_unlock(hdev);
963
964 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
965 struct hci_cp_accept_conn_req cp;
966
967 bacpy(&cp.bdaddr, &ev->bdaddr);
968
969 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
970 cp.role = 0x00; /* Become master */
971 else
972 cp.role = 0x01; /* Remain slave */
973
974 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
975 sizeof(cp), &cp);
976 } else {
977 struct hci_cp_accept_sync_conn_req cp;
978
979 bacpy(&cp.bdaddr, &ev->bdaddr);
980 cp.pkt_type = cpu_to_le16(conn->pkt_type);
981
982 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
983 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
984 cp.max_latency = cpu_to_le16(0xffff);
985 cp.content_format = cpu_to_le16(hdev->voice_setting);
986 cp.retrans_effort = 0xff;
987
988 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
989 sizeof(cp), &cp);
990 }
991 } else {
992 /* Connection rejected */
993 struct hci_cp_reject_conn_req cp;
994
995 bacpy(&cp.bdaddr, &ev->bdaddr);
996 cp.reason = 0x0f;
997 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
998 }
999 }
1000
1001 static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1002 {
1003 struct hci_ev_disconn_complete *ev = (void *) skb->data;
1004 struct hci_conn *conn;
1005
1006 BT_DBG("%s status %d", hdev->name, ev->status);
1007
1008 if (ev->status)
1009 return;
1010
1011 hci_dev_lock(hdev);
1012
1013 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1014 if (conn) {
1015 conn->state = BT_CLOSED;
1016
1017 hci_conn_del_sysfs(conn);
1018
1019 hci_proto_disconn_ind(conn, ev->reason);
1020 hci_conn_del(conn);
1021 }
1022
1023 hci_dev_unlock(hdev);
1024 }
1025
1026 static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1027 {
1028 struct hci_ev_auth_complete *ev = (void *) skb->data;
1029 struct hci_conn *conn;
1030
1031 BT_DBG("%s status %d", hdev->name, ev->status);
1032
1033 hci_dev_lock(hdev);
1034
1035 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1036 if (conn) {
1037 if (!ev->status)
1038 conn->link_mode |= HCI_LM_AUTH;
1039
1040 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
1041
1042 if (conn->state == BT_CONFIG) {
1043 if (!ev->status && hdev->ssp_mode > 0 &&
1044 conn->ssp_mode > 0) {
1045 struct hci_cp_set_conn_encrypt cp;
1046 cp.handle = ev->handle;
1047 cp.encrypt = 0x01;
1048 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
1049 sizeof(cp), &cp);
1050 } else {
1051 conn->state = BT_CONNECTED;
1052 hci_proto_connect_cfm(conn, ev->status);
1053 hci_conn_put(conn);
1054 }
1055 } else
1056 hci_auth_cfm(conn, ev->status);
1057
1058 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
1059 if (!ev->status) {
1060 struct hci_cp_set_conn_encrypt cp;
1061 cp.handle = ev->handle;
1062 cp.encrypt = 0x01;
1063 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
1064 sizeof(cp), &cp);
1065 } else {
1066 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
1067 hci_encrypt_cfm(conn, ev->status, 0x00);
1068 }
1069 }
1070 }
1071
1072 hci_dev_unlock(hdev);
1073 }
1074
1075 static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1076 {
1077 BT_DBG("%s", hdev->name);
1078
1079 hci_conn_check_pending(hdev);
1080 }
1081
1082 static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1083 {
1084 struct hci_ev_encrypt_change *ev = (void *) skb->data;
1085 struct hci_conn *conn;
1086
1087 BT_DBG("%s status %d", hdev->name, ev->status);
1088
1089 hci_dev_lock(hdev);
1090
1091 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1092 if (conn) {
1093 if (!ev->status) {
1094 if (ev->encrypt) {
1095 /* Encryption implies authentication */
1096 conn->link_mode |= HCI_LM_AUTH;
1097 conn->link_mode |= HCI_LM_ENCRYPT;
1098 } else
1099 conn->link_mode &= ~HCI_LM_ENCRYPT;
1100 }
1101
1102 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
1103
1104 if (conn->state == BT_CONFIG) {
1105 if (!ev->status)
1106 conn->state = BT_CONNECTED;
1107
1108 hci_proto_connect_cfm(conn, ev->status);
1109 hci_conn_put(conn);
1110 } else
1111 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
1112 }
1113
1114 hci_dev_unlock(hdev);
1115 }
1116
1117 static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1118 {
1119 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
1120 struct hci_conn *conn;
1121
1122 BT_DBG("%s status %d", hdev->name, ev->status);
1123
1124 hci_dev_lock(hdev);
1125
1126 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1127 if (conn) {
1128 if (!ev->status)
1129 conn->link_mode |= HCI_LM_SECURE;
1130
1131 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
1132
1133 hci_key_change_cfm(conn, ev->status);
1134 }
1135
1136 hci_dev_unlock(hdev);
1137 }
1138
1139 static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
1140 {
1141 struct hci_ev_remote_features *ev = (void *) skb->data;
1142 struct hci_conn *conn;
1143
1144 BT_DBG("%s status %d", hdev->name, ev->status);
1145
1146 hci_dev_lock(hdev);
1147
1148 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1149 if (conn) {
1150 if (!ev->status)
1151 memcpy(conn->features, ev->features, 8);
1152
1153 if (conn->state == BT_CONFIG) {
1154 if (!ev->status && lmp_ssp_capable(hdev) &&
1155 lmp_ssp_capable(conn)) {
1156 struct hci_cp_read_remote_ext_features cp;
1157 cp.handle = ev->handle;
1158 cp.page = 0x01;
1159 hci_send_cmd(hdev,
1160 HCI_OP_READ_REMOTE_EXT_FEATURES,
1161 sizeof(cp), &cp);
1162 } else {
1163 conn->state = BT_CONNECTED;
1164 hci_proto_connect_cfm(conn, ev->status);
1165 hci_conn_put(conn);
1166 }
1167 }
1168 }
1169
1170 hci_dev_unlock(hdev);
1171 }
1172
1173 static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
1174 {
1175 BT_DBG("%s", hdev->name);
1176 }
1177
1178 static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1179 {
1180 BT_DBG("%s", hdev->name);
1181 }
1182
1183 static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1184 {
1185 struct hci_ev_cmd_complete *ev = (void *) skb->data;
1186 __u16 opcode;
1187
1188 skb_pull(skb, sizeof(*ev));
1189
1190 opcode = __le16_to_cpu(ev->opcode);
1191
1192 switch (opcode) {
1193 case HCI_OP_INQUIRY_CANCEL:
1194 hci_cc_inquiry_cancel(hdev, skb);
1195 break;
1196
1197 case HCI_OP_EXIT_PERIODIC_INQ:
1198 hci_cc_exit_periodic_inq(hdev, skb);
1199 break;
1200
1201 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
1202 hci_cc_remote_name_req_cancel(hdev, skb);
1203 break;
1204
1205 case HCI_OP_ROLE_DISCOVERY:
1206 hci_cc_role_discovery(hdev, skb);
1207 break;
1208
1209 case HCI_OP_READ_LINK_POLICY:
1210 hci_cc_read_link_policy(hdev, skb);
1211 break;
1212
1213 case HCI_OP_WRITE_LINK_POLICY:
1214 hci_cc_write_link_policy(hdev, skb);
1215 break;
1216
1217 case HCI_OP_READ_DEF_LINK_POLICY:
1218 hci_cc_read_def_link_policy(hdev, skb);
1219 break;
1220
1221 case HCI_OP_WRITE_DEF_LINK_POLICY:
1222 hci_cc_write_def_link_policy(hdev, skb);
1223 break;
1224
1225 case HCI_OP_RESET:
1226 hci_cc_reset(hdev, skb);
1227 break;
1228
1229 case HCI_OP_WRITE_LOCAL_NAME:
1230 hci_cc_write_local_name(hdev, skb);
1231 break;
1232
1233 case HCI_OP_READ_LOCAL_NAME:
1234 hci_cc_read_local_name(hdev, skb);
1235 break;
1236
1237 case HCI_OP_WRITE_AUTH_ENABLE:
1238 hci_cc_write_auth_enable(hdev, skb);
1239 break;
1240
1241 case HCI_OP_WRITE_ENCRYPT_MODE:
1242 hci_cc_write_encrypt_mode(hdev, skb);
1243 break;
1244
1245 case HCI_OP_WRITE_SCAN_ENABLE:
1246 hci_cc_write_scan_enable(hdev, skb);
1247 break;
1248
1249 case HCI_OP_READ_CLASS_OF_DEV:
1250 hci_cc_read_class_of_dev(hdev, skb);
1251 break;
1252
1253 case HCI_OP_WRITE_CLASS_OF_DEV:
1254 hci_cc_write_class_of_dev(hdev, skb);
1255 break;
1256
1257 case HCI_OP_READ_VOICE_SETTING:
1258 hci_cc_read_voice_setting(hdev, skb);
1259 break;
1260
1261 case HCI_OP_WRITE_VOICE_SETTING:
1262 hci_cc_write_voice_setting(hdev, skb);
1263 break;
1264
1265 case HCI_OP_HOST_BUFFER_SIZE:
1266 hci_cc_host_buffer_size(hdev, skb);
1267 break;
1268
1269 case HCI_OP_READ_SSP_MODE:
1270 hci_cc_read_ssp_mode(hdev, skb);
1271 break;
1272
1273 case HCI_OP_WRITE_SSP_MODE:
1274 hci_cc_write_ssp_mode(hdev, skb);
1275 break;
1276
1277 case HCI_OP_READ_LOCAL_VERSION:
1278 hci_cc_read_local_version(hdev, skb);
1279 break;
1280
1281 case HCI_OP_READ_LOCAL_COMMANDS:
1282 hci_cc_read_local_commands(hdev, skb);
1283 break;
1284
1285 case HCI_OP_READ_LOCAL_FEATURES:
1286 hci_cc_read_local_features(hdev, skb);
1287 break;
1288
1289 case HCI_OP_READ_BUFFER_SIZE:
1290 hci_cc_read_buffer_size(hdev, skb);
1291 break;
1292
1293 case HCI_OP_READ_BD_ADDR:
1294 hci_cc_read_bd_addr(hdev, skb);
1295 break;
1296
1297 default:
1298 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
1299 break;
1300 }
1301
1302 if (ev->ncmd) {
1303 atomic_set(&hdev->cmd_cnt, 1);
1304 if (!skb_queue_empty(&hdev->cmd_q))
1305 hci_sched_cmd(hdev);
1306 }
1307 }
1308
1309 static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
1310 {
1311 struct hci_ev_cmd_status *ev = (void *) skb->data;
1312 __u16 opcode;
1313
1314 skb_pull(skb, sizeof(*ev));
1315
1316 opcode = __le16_to_cpu(ev->opcode);
1317
1318 switch (opcode) {
1319 case HCI_OP_INQUIRY:
1320 hci_cs_inquiry(hdev, ev->status);
1321 break;
1322
1323 case HCI_OP_CREATE_CONN:
1324 hci_cs_create_conn(hdev, ev->status);
1325 break;
1326
1327 case HCI_OP_ADD_SCO:
1328 hci_cs_add_sco(hdev, ev->status);
1329 break;
1330
1331 case HCI_OP_AUTH_REQUESTED:
1332 hci_cs_auth_requested(hdev, ev->status);
1333 break;
1334
1335 case HCI_OP_SET_CONN_ENCRYPT:
1336 hci_cs_set_conn_encrypt(hdev, ev->status);
1337 break;
1338
1339 case HCI_OP_REMOTE_NAME_REQ:
1340 hci_cs_remote_name_req(hdev, ev->status);
1341 break;
1342
1343 case HCI_OP_READ_REMOTE_FEATURES:
1344 hci_cs_read_remote_features(hdev, ev->status);
1345 break;
1346
1347 case HCI_OP_READ_REMOTE_EXT_FEATURES:
1348 hci_cs_read_remote_ext_features(hdev, ev->status);
1349 break;
1350
1351 case HCI_OP_SETUP_SYNC_CONN:
1352 hci_cs_setup_sync_conn(hdev, ev->status);
1353 break;
1354
1355 case HCI_OP_SNIFF_MODE:
1356 hci_cs_sniff_mode(hdev, ev->status);
1357 break;
1358
1359 case HCI_OP_EXIT_SNIFF_MODE:
1360 hci_cs_exit_sniff_mode(hdev, ev->status);
1361 break;
1362
1363 default:
1364 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
1365 break;
1366 }
1367
1368 if (ev->ncmd) {
1369 atomic_set(&hdev->cmd_cnt, 1);
1370 if (!skb_queue_empty(&hdev->cmd_q))
1371 hci_sched_cmd(hdev);
1372 }
1373 }
1374
1375 static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1376 {
1377 struct hci_ev_role_change *ev = (void *) skb->data;
1378 struct hci_conn *conn;
1379
1380 BT_DBG("%s status %d", hdev->name, ev->status);
1381
1382 hci_dev_lock(hdev);
1383
1384 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
1385 if (conn) {
1386 if (!ev->status) {
1387 if (ev->role)
1388 conn->link_mode &= ~HCI_LM_MASTER;
1389 else
1390 conn->link_mode |= HCI_LM_MASTER;
1391 }
1392
1393 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend);
1394
1395 hci_role_switch_cfm(conn, ev->status, ev->role);
1396 }
1397
1398 hci_dev_unlock(hdev);
1399 }
1400
1401 static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
1402 {
1403 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
1404 __le16 *ptr;
1405 int i;
1406
1407 skb_pull(skb, sizeof(*ev));
1408
1409 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
1410
1411 if (skb->len < ev->num_hndl * 4) {
1412 BT_DBG("%s bad parameters", hdev->name);
1413 return;
1414 }
1415
1416 tasklet_disable(&hdev->tx_task);
1417
1418 for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) {
1419 struct hci_conn *conn;
1420 __u16 handle, count;
1421
1422 handle = get_unaligned_le16(ptr++);
1423 count = get_unaligned_le16(ptr++);
1424
1425 conn = hci_conn_hash_lookup_handle(hdev, handle);
1426 if (conn) {
1427 conn->sent -= count;
1428
1429 if (conn->type == ACL_LINK) {
1430 if ((hdev->acl_cnt += count) > hdev->acl_pkts)
1431 hdev->acl_cnt = hdev->acl_pkts;
1432 } else {
1433 if ((hdev->sco_cnt += count) > hdev->sco_pkts)
1434 hdev->sco_cnt = hdev->sco_pkts;
1435 }
1436 }
1437 }
1438
1439 hci_sched_tx(hdev);
1440
1441 tasklet_enable(&hdev->tx_task);
1442 }
1443
1444 static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1445 {
1446 struct hci_ev_mode_change *ev = (void *) skb->data;
1447 struct hci_conn *conn;
1448
1449 BT_DBG("%s status %d", hdev->name, ev->status);
1450
1451 hci_dev_lock(hdev);
1452
1453 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1454 if (conn) {
1455 conn->mode = ev->mode;
1456 conn->interval = __le16_to_cpu(ev->interval);
1457
1458 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
1459 if (conn->mode == HCI_CM_ACTIVE)
1460 conn->power_save = 1;
1461 else
1462 conn->power_save = 0;
1463 }
1464 }
1465
1466 hci_dev_unlock(hdev);
1467 }
1468
1469 static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1470 {
1471 BT_DBG("%s", hdev->name);
1472 }
1473
1474 static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1475 {
1476 BT_DBG("%s", hdev->name);
1477 }
1478
1479 static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
1480 {
1481 BT_DBG("%s", hdev->name);
1482 }
1483
1484 static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1485 {
1486 struct hci_ev_clock_offset *ev = (void *) skb->data;
1487 struct hci_conn *conn;
1488
1489 BT_DBG("%s status %d", hdev->name, ev->status);
1490
1491 hci_dev_lock(hdev);
1492
1493 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1494 if (conn && !ev->status) {
1495 struct inquiry_entry *ie;
1496
1497 if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) {
1498 ie->data.clock_offset = ev->clock_offset;
1499 ie->timestamp = jiffies;
1500 }
1501 }
1502
1503 hci_dev_unlock(hdev);
1504 }
1505
1506 static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1507 {
1508 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
1509 struct hci_conn *conn;
1510
1511 BT_DBG("%s status %d", hdev->name, ev->status);
1512
1513 hci_dev_lock(hdev);
1514
1515 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1516 if (conn && !ev->status)
1517 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
1518
1519 hci_dev_unlock(hdev);
1520 }
1521
1522 static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
1523 {
1524 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
1525 struct inquiry_entry *ie;
1526
1527 BT_DBG("%s", hdev->name);
1528
1529 hci_dev_lock(hdev);
1530
1531 if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) {
1532 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
1533 ie->timestamp = jiffies;
1534 }
1535
1536 hci_dev_unlock(hdev);
1537 }
1538
1539 static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
1540 {
1541 struct inquiry_data data;
1542 int num_rsp = *((__u8 *) skb->data);
1543
1544 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1545
1546 if (!num_rsp)
1547 return;
1548
1549 hci_dev_lock(hdev);
1550
1551 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
1552 struct inquiry_info_with_rssi_and_pscan_mode *info = (void *) (skb->data + 1);
1553
1554 for (; num_rsp; num_rsp--) {
1555 bacpy(&data.bdaddr, &info->bdaddr);
1556 data.pscan_rep_mode = info->pscan_rep_mode;
1557 data.pscan_period_mode = info->pscan_period_mode;
1558 data.pscan_mode = info->pscan_mode;
1559 memcpy(data.dev_class, info->dev_class, 3);
1560 data.clock_offset = info->clock_offset;
1561 data.rssi = info->rssi;
1562 data.ssp_mode = 0x00;
1563 info++;
1564 hci_inquiry_cache_update(hdev, &data);
1565 }
1566 } else {
1567 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
1568
1569 for (; num_rsp; num_rsp--) {
1570 bacpy(&data.bdaddr, &info->bdaddr);
1571 data.pscan_rep_mode = info->pscan_rep_mode;
1572 data.pscan_period_mode = info->pscan_period_mode;
1573 data.pscan_mode = 0x00;
1574 memcpy(data.dev_class, info->dev_class, 3);
1575 data.clock_offset = info->clock_offset;
1576 data.rssi = info->rssi;
1577 data.ssp_mode = 0x00;
1578 info++;
1579 hci_inquiry_cache_update(hdev, &data);
1580 }
1581 }
1582
1583 hci_dev_unlock(hdev);
1584 }
1585
1586 static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
1587 {
1588 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
1589 struct hci_conn *conn;
1590
1591 BT_DBG("%s", hdev->name);
1592
1593 hci_dev_lock(hdev);
1594
1595 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1596 if (conn) {
1597 if (!ev->status && ev->page == 0x01) {
1598 struct inquiry_entry *ie;
1599
1600 if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst)))
1601 ie->data.ssp_mode = (ev->features[0] & 0x01);
1602
1603 conn->ssp_mode = (ev->features[0] & 0x01);
1604 }
1605
1606 if (conn->state == BT_CONFIG) {
1607 if (!ev->status && hdev->ssp_mode > 0 &&
1608 conn->ssp_mode > 0) {
1609 if (conn->out) {
1610 struct hci_cp_auth_requested cp;
1611 cp.handle = ev->handle;
1612 hci_send_cmd(hdev,
1613 HCI_OP_AUTH_REQUESTED,
1614 sizeof(cp), &cp);
1615 }
1616 } else {
1617 conn->state = BT_CONNECTED;
1618 hci_proto_connect_cfm(conn, ev->status);
1619 hci_conn_put(conn);
1620 }
1621 }
1622 }
1623
1624 hci_dev_unlock(hdev);
1625 }
1626
1627 static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1628 {
1629 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
1630 struct hci_conn *conn;
1631
1632 BT_DBG("%s status %d", hdev->name, ev->status);
1633
1634 hci_dev_lock(hdev);
1635
1636 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1637 if (!conn) {
1638 if (ev->link_type == ESCO_LINK)
1639 goto unlock;
1640
1641 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1642 if (!conn)
1643 goto unlock;
1644
1645 conn->type = SCO_LINK;
1646 }
1647
1648 if (!ev->status) {
1649 conn->handle = __le16_to_cpu(ev->handle);
1650 conn->state = BT_CONNECTED;
1651
1652 hci_conn_add_sysfs(conn);
1653 } else
1654 conn->state = BT_CLOSED;
1655
1656 hci_proto_connect_cfm(conn, ev->status);
1657 if (ev->status)
1658 hci_conn_del(conn);
1659
1660 unlock:
1661 hci_dev_unlock(hdev);
1662 }
1663
1664 static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
1665 {
1666 BT_DBG("%s", hdev->name);
1667 }
1668
1669 static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
1670 {
1671 struct hci_ev_sniff_subrate *ev = (void *) skb->data;
1672 struct hci_conn *conn;
1673
1674 BT_DBG("%s status %d", hdev->name, ev->status);
1675
1676 hci_dev_lock(hdev);
1677
1678 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1679 if (conn) {
1680 }
1681
1682 hci_dev_unlock(hdev);
1683 }
1684
1685 static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1686 {
1687 struct inquiry_data data;
1688 struct extended_inquiry_info *info = (void *) (skb->data + 1);
1689 int num_rsp = *((__u8 *) skb->data);
1690
1691 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1692
1693 if (!num_rsp)
1694 return;
1695
1696 hci_dev_lock(hdev);
1697
1698 for (; num_rsp; num_rsp--) {
1699 bacpy(&data.bdaddr, &info->bdaddr);
1700 data.pscan_rep_mode = info->pscan_rep_mode;
1701 data.pscan_period_mode = info->pscan_period_mode;
1702 data.pscan_mode = 0x00;
1703 memcpy(data.dev_class, info->dev_class, 3);
1704 data.clock_offset = info->clock_offset;
1705 data.rssi = info->rssi;
1706 data.ssp_mode = 0x01;
1707 info++;
1708 hci_inquiry_cache_update(hdev, &data);
1709 }
1710
1711 hci_dev_unlock(hdev);
1712 }
1713
1714 static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1715 {
1716 struct hci_ev_io_capa_request *ev = (void *) skb->data;
1717 struct hci_conn *conn;
1718
1719 BT_DBG("%s", hdev->name);
1720
1721 hci_dev_lock(hdev);
1722
1723 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
1724 if (conn)
1725 hci_conn_hold(conn);
1726
1727 hci_dev_unlock(hdev);
1728 }
1729
1730 static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1731 {
1732 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
1733 struct hci_conn *conn;
1734
1735 BT_DBG("%s", hdev->name);
1736
1737 hci_dev_lock(hdev);
1738
1739 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
1740 if (conn)
1741 hci_conn_put(conn);
1742
1743 hci_dev_unlock(hdev);
1744 }
1745
1746 static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
1747 {
1748 struct hci_ev_remote_host_features *ev = (void *) skb->data;
1749 struct inquiry_entry *ie;
1750
1751 BT_DBG("%s", hdev->name);
1752
1753 hci_dev_lock(hdev);
1754
1755 if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr)))
1756 ie->data.ssp_mode = (ev->features[0] & 0x01);
1757
1758 hci_dev_unlock(hdev);
1759 }
1760
1761 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
1762 {
1763 struct hci_event_hdr *hdr = (void *) skb->data;
1764 __u8 event = hdr->evt;
1765
1766 skb_pull(skb, HCI_EVENT_HDR_SIZE);
1767
1768 switch (event) {
1769 case HCI_EV_INQUIRY_COMPLETE:
1770 hci_inquiry_complete_evt(hdev, skb);
1771 break;
1772
1773 case HCI_EV_INQUIRY_RESULT:
1774 hci_inquiry_result_evt(hdev, skb);
1775 break;
1776
1777 case HCI_EV_CONN_COMPLETE:
1778 hci_conn_complete_evt(hdev, skb);
1779 break;
1780
1781 case HCI_EV_CONN_REQUEST:
1782 hci_conn_request_evt(hdev, skb);
1783 break;
1784
1785 case HCI_EV_DISCONN_COMPLETE:
1786 hci_disconn_complete_evt(hdev, skb);
1787 break;
1788
1789 case HCI_EV_AUTH_COMPLETE:
1790 hci_auth_complete_evt(hdev, skb);
1791 break;
1792
1793 case HCI_EV_REMOTE_NAME:
1794 hci_remote_name_evt(hdev, skb);
1795 break;
1796
1797 case HCI_EV_ENCRYPT_CHANGE:
1798 hci_encrypt_change_evt(hdev, skb);
1799 break;
1800
1801 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
1802 hci_change_link_key_complete_evt(hdev, skb);
1803 break;
1804
1805 case HCI_EV_REMOTE_FEATURES:
1806 hci_remote_features_evt(hdev, skb);
1807 break;
1808
1809 case HCI_EV_REMOTE_VERSION:
1810 hci_remote_version_evt(hdev, skb);
1811 break;
1812
1813 case HCI_EV_QOS_SETUP_COMPLETE:
1814 hci_qos_setup_complete_evt(hdev, skb);
1815 break;
1816
1817 case HCI_EV_CMD_COMPLETE:
1818 hci_cmd_complete_evt(hdev, skb);
1819 break;
1820
1821 case HCI_EV_CMD_STATUS:
1822 hci_cmd_status_evt(hdev, skb);
1823 break;
1824
1825 case HCI_EV_ROLE_CHANGE:
1826 hci_role_change_evt(hdev, skb);
1827 break;
1828
1829 case HCI_EV_NUM_COMP_PKTS:
1830 hci_num_comp_pkts_evt(hdev, skb);
1831 break;
1832
1833 case HCI_EV_MODE_CHANGE:
1834 hci_mode_change_evt(hdev, skb);
1835 break;
1836
1837 case HCI_EV_PIN_CODE_REQ:
1838 hci_pin_code_request_evt(hdev, skb);
1839 break;
1840
1841 case HCI_EV_LINK_KEY_REQ:
1842 hci_link_key_request_evt(hdev, skb);
1843 break;
1844
1845 case HCI_EV_LINK_KEY_NOTIFY:
1846 hci_link_key_notify_evt(hdev, skb);
1847 break;
1848
1849 case HCI_EV_CLOCK_OFFSET:
1850 hci_clock_offset_evt(hdev, skb);
1851 break;
1852
1853 case HCI_EV_PKT_TYPE_CHANGE:
1854 hci_pkt_type_change_evt(hdev, skb);
1855 break;
1856
1857 case HCI_EV_PSCAN_REP_MODE:
1858 hci_pscan_rep_mode_evt(hdev, skb);
1859 break;
1860
1861 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
1862 hci_inquiry_result_with_rssi_evt(hdev, skb);
1863 break;
1864
1865 case HCI_EV_REMOTE_EXT_FEATURES:
1866 hci_remote_ext_features_evt(hdev, skb);
1867 break;
1868
1869 case HCI_EV_SYNC_CONN_COMPLETE:
1870 hci_sync_conn_complete_evt(hdev, skb);
1871 break;
1872
1873 case HCI_EV_SYNC_CONN_CHANGED:
1874 hci_sync_conn_changed_evt(hdev, skb);
1875 break;
1876
1877 case HCI_EV_SNIFF_SUBRATE:
1878 hci_sniff_subrate_evt(hdev, skb);
1879 break;
1880
1881 case HCI_EV_EXTENDED_INQUIRY_RESULT:
1882 hci_extended_inquiry_result_evt(hdev, skb);
1883 break;
1884
1885 case HCI_EV_IO_CAPA_REQUEST:
1886 hci_io_capa_request_evt(hdev, skb);
1887 break;
1888
1889 case HCI_EV_SIMPLE_PAIR_COMPLETE:
1890 hci_simple_pair_complete_evt(hdev, skb);
1891 break;
1892
1893 case HCI_EV_REMOTE_HOST_FEATURES:
1894 hci_remote_host_features_evt(hdev, skb);
1895 break;
1896
1897 default:
1898 BT_DBG("%s event 0x%x", hdev->name, event);
1899 break;
1900 }
1901
1902 kfree_skb(skb);
1903 hdev->stat.evt_rx++;
1904 }
1905
1906 /* Generate internal stack event */
1907 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
1908 {
1909 struct hci_event_hdr *hdr;
1910 struct hci_ev_stack_internal *ev;
1911 struct sk_buff *skb;
1912
1913 skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
1914 if (!skb)
1915 return;
1916
1917 hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
1918 hdr->evt = HCI_EV_STACK_INTERNAL;
1919 hdr->plen = sizeof(*ev) + dlen;
1920
1921 ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
1922 ev->type = type;
1923 memcpy(ev->data, data, dlen);
1924
1925 bt_cb(skb)->incoming = 1;
1926 __net_timestamp(skb);
1927
1928 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
1929 skb->dev = (void *) hdev;
1930 hci_send_to_sock(hdev, skb);
1931 kfree_skb(skb);
1932 }
Linux kernel - Deliverables
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