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_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
114 {
115 struct hci_rp_write_link_policy *rp = (void *) skb->data;
116 struct hci_conn *conn;
117 void *sent;
118
119 BT_DBG("%s status 0x%x", hdev->name, rp->status);
120
121 if (rp->status)
122 return;
123
124 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
125 if (!sent)
126 return;
127
128 hci_dev_lock(hdev);
129
130 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
131 if (conn) {
132 __le16 policy = get_unaligned((__le16 *) (sent + 2));
133 conn->link_policy = __le16_to_cpu(policy);
134 }
135
136 hci_dev_unlock(hdev);
137 }
138
139 static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
140 {
141 __u8 status = *((__u8 *) skb->data);
142
143 BT_DBG("%s status 0x%x", hdev->name, status);
144
145 hci_req_complete(hdev, status);
146 }
147
148 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
149 {
150 __u8 status = *((__u8 *) skb->data);
151 void *sent;
152
153 BT_DBG("%s status 0x%x", hdev->name, status);
154
155 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
156 if (!sent)
157 return;
158
159 if (!status)
160 memcpy(hdev->dev_name, sent, 248);
161 }
162
163 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
164 {
165 struct hci_rp_read_local_name *rp = (void *) skb->data;
166
167 BT_DBG("%s status 0x%x", hdev->name, rp->status);
168
169 if (rp->status)
170 return;
171
172 memcpy(hdev->dev_name, rp->name, 248);
173 }
174
175 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
176 {
177 __u8 status = *((__u8 *) skb->data);
178 void *sent;
179
180 BT_DBG("%s status 0x%x", hdev->name, status);
181
182 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
183 if (!sent)
184 return;
185
186 if (!status) {
187 __u8 param = *((__u8 *) sent);
188
189 if (param == AUTH_ENABLED)
190 set_bit(HCI_AUTH, &hdev->flags);
191 else
192 clear_bit(HCI_AUTH, &hdev->flags);
193 }
194
195 hci_req_complete(hdev, status);
196 }
197
198 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
199 {
200 __u8 status = *((__u8 *) skb->data);
201 void *sent;
202
203 BT_DBG("%s status 0x%x", hdev->name, status);
204
205 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
206 if (!sent)
207 return;
208
209 if (!status) {
210 __u8 param = *((__u8 *) sent);
211
212 if (param)
213 set_bit(HCI_ENCRYPT, &hdev->flags);
214 else
215 clear_bit(HCI_ENCRYPT, &hdev->flags);
216 }
217
218 hci_req_complete(hdev, status);
219 }
220
221 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
222 {
223 __u8 status = *((__u8 *) skb->data);
224 void *sent;
225
226 BT_DBG("%s status 0x%x", hdev->name, status);
227
228 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
229 if (!sent)
230 return;
231
232 if (!status) {
233 __u8 param = *((__u8 *) sent);
234
235 clear_bit(HCI_PSCAN, &hdev->flags);
236 clear_bit(HCI_ISCAN, &hdev->flags);
237
238 if (param & SCAN_INQUIRY)
239 set_bit(HCI_ISCAN, &hdev->flags);
240
241 if (param & SCAN_PAGE)
242 set_bit(HCI_PSCAN, &hdev->flags);
243 }
244
245 hci_req_complete(hdev, status);
246 }
247
248 static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
249 {
250 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
251
252 BT_DBG("%s status 0x%x", hdev->name, rp->status);
253
254 if (rp->status)
255 return;
256
257 memcpy(hdev->dev_class, rp->dev_class, 3);
258
259 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
260 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
261 }
262
263 static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
264 {
265 __u8 status = *((__u8 *) skb->data);
266 void *sent;
267
268 BT_DBG("%s status 0x%x", hdev->name, status);
269
270 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
271 if (!sent)
272 return;
273
274 if (!status)
275 memcpy(hdev->dev_class, sent, 3);
276 }
277
278 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
279 {
280 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
281 __u16 setting;
282
283 BT_DBG("%s status 0x%x", hdev->name, rp->status);
284
285 if (rp->status)
286 return;
287
288 setting = __le16_to_cpu(rp->voice_setting);
289
290 if (hdev->voice_setting == setting )
291 return;
292
293 hdev->voice_setting = setting;
294
295 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
296
297 if (hdev->notify) {
298 tasklet_disable(&hdev->tx_task);
299 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
300 tasklet_enable(&hdev->tx_task);
301 }
302 }
303
304 static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
305 {
306 __u8 status = *((__u8 *) skb->data);
307 void *sent;
308
309 BT_DBG("%s status 0x%x", hdev->name, status);
310
311 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
312 if (!sent)
313 return;
314
315 if (!status) {
316 __u16 setting = __le16_to_cpu(get_unaligned((__le16 *) sent));
317
318 if (hdev->voice_setting != setting) {
319 hdev->voice_setting = setting;
320
321 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
322
323 if (hdev->notify) {
324 tasklet_disable(&hdev->tx_task);
325 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
326 tasklet_enable(&hdev->tx_task);
327 }
328 }
329 }
330 }
331
332 static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
333 {
334 __u8 status = *((__u8 *) skb->data);
335
336 BT_DBG("%s status 0x%x", hdev->name, status);
337
338 hci_req_complete(hdev, status);
339 }
340
341 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
342 {
343 struct hci_rp_read_local_version *rp = (void *) skb->data;
344
345 BT_DBG("%s status 0x%x", hdev->name, rp->status);
346
347 if (rp->status)
348 return;
349
350 hdev->hci_ver = rp->hci_ver;
351 hdev->hci_rev = btohs(rp->hci_rev);
352 hdev->manufacturer = btohs(rp->manufacturer);
353
354 BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
355 hdev->manufacturer,
356 hdev->hci_ver, hdev->hci_rev);
357 }
358
359 static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
360 {
361 struct hci_rp_read_local_commands *rp = (void *) skb->data;
362
363 BT_DBG("%s status 0x%x", hdev->name, rp->status);
364
365 if (rp->status)
366 return;
367
368 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
369 }
370
371 static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
372 {
373 struct hci_rp_read_local_features *rp = (void *) skb->data;
374
375 BT_DBG("%s status 0x%x", hdev->name, rp->status);
376
377 if (rp->status)
378 return;
379
380 memcpy(hdev->features, rp->features, 8);
381
382 /* Adjust default settings according to features
383 * supported by device. */
384
385 if (hdev->features[0] & LMP_3SLOT)
386 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
387
388 if (hdev->features[0] & LMP_5SLOT)
389 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
390
391 if (hdev->features[1] & LMP_HV2) {
392 hdev->pkt_type |= (HCI_HV2);
393 hdev->esco_type |= (ESCO_HV2);
394 }
395
396 if (hdev->features[1] & LMP_HV3) {
397 hdev->pkt_type |= (HCI_HV3);
398 hdev->esco_type |= (ESCO_HV3);
399 }
400
401 if (hdev->features[3] & LMP_ESCO)
402 hdev->esco_type |= (ESCO_EV3);
403
404 if (hdev->features[4] & LMP_EV4)
405 hdev->esco_type |= (ESCO_EV4);
406
407 if (hdev->features[4] & LMP_EV5)
408 hdev->esco_type |= (ESCO_EV5);
409
410 BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
411 hdev->features[0], hdev->features[1],
412 hdev->features[2], hdev->features[3],
413 hdev->features[4], hdev->features[5],
414 hdev->features[6], hdev->features[7]);
415 }
416
417 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
418 {
419 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
420
421 BT_DBG("%s status 0x%x", hdev->name, rp->status);
422
423 if (rp->status)
424 return;
425
426 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
427 hdev->sco_mtu = rp->sco_mtu;
428 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
429 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
430
431 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
432 hdev->sco_mtu = 64;
433 hdev->sco_pkts = 8;
434 }
435
436 hdev->acl_cnt = hdev->acl_pkts;
437 hdev->sco_cnt = hdev->sco_pkts;
438
439 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name,
440 hdev->acl_mtu, hdev->acl_pkts,
441 hdev->sco_mtu, hdev->sco_pkts);
442 }
443
444 static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
445 {
446 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
447
448 BT_DBG("%s status 0x%x", hdev->name, rp->status);
449
450 if (!rp->status)
451 bacpy(&hdev->bdaddr, &rp->bdaddr);
452
453 hci_req_complete(hdev, rp->status);
454 }
455
456 static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
457 {
458 BT_DBG("%s status 0x%x", hdev->name, status);
459
460 if (status) {
461 hci_req_complete(hdev, status);
462
463 hci_conn_check_pending(hdev);
464 } else
465 set_bit(HCI_INQUIRY, &hdev->flags);
466 }
467
468 static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
469 {
470 struct hci_cp_create_conn *cp;
471 struct hci_conn *conn;
472
473 BT_DBG("%s status 0x%x", hdev->name, status);
474
475 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
476 if (!cp)
477 return;
478
479 hci_dev_lock(hdev);
480
481 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
482
483 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
484
485 if (status) {
486 if (conn && conn->state == BT_CONNECT) {
487 if (status != 0x0c || conn->attempt > 2) {
488 conn->state = BT_CLOSED;
489 hci_proto_connect_cfm(conn, status);
490 hci_conn_del(conn);
491 } else
492 conn->state = BT_CONNECT2;
493 }
494 } else {
495 if (!conn) {
496 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
497 if (conn) {
498 conn->out = 1;
499 conn->link_mode |= HCI_LM_MASTER;
500 } else
501 BT_ERR("No memmory for new connection");
502 }
503 }
504
505 hci_dev_unlock(hdev);
506 }
507
508 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
509 {
510 struct hci_cp_add_sco *cp;
511 struct hci_conn *acl, *sco;
512 __u16 handle;
513
514 BT_DBG("%s status 0x%x", hdev->name, status);
515
516 if (!status)
517 return;
518
519 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
520 if (!cp)
521 return;
522
523 handle = __le16_to_cpu(cp->handle);
524
525 BT_DBG("%s handle %d", hdev->name, handle);
526
527 hci_dev_lock(hdev);
528
529 acl = hci_conn_hash_lookup_handle(hdev, handle);
530 if (acl && (sco = acl->link)) {
531 sco->state = BT_CLOSED;
532
533 hci_proto_connect_cfm(sco, status);
534 hci_conn_del(sco);
535 }
536
537 hci_dev_unlock(hdev);
538 }
539
540 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
541 {
542 BT_DBG("%s status 0x%x", hdev->name, status);
543 }
544
545 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
546 {
547 struct hci_cp_setup_sync_conn *cp;
548 struct hci_conn *acl, *sco;
549 __u16 handle;
550
551 BT_DBG("%s status 0x%x", hdev->name, status);
552
553 if (!status)
554 return;
555
556 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
557 if (!cp)
558 return;
559
560 handle = __le16_to_cpu(cp->handle);
561
562 BT_DBG("%s handle %d", hdev->name, handle);
563
564 hci_dev_lock(hdev);
565
566 acl = hci_conn_hash_lookup_handle(hdev, handle);
567 if (acl && (sco = acl->link)) {
568 sco->state = BT_CLOSED;
569
570 hci_proto_connect_cfm(sco, status);
571 hci_conn_del(sco);
572 }
573
574 hci_dev_unlock(hdev);
575 }
576
577 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
578 {
579 struct hci_cp_sniff_mode *cp;
580 struct hci_conn *conn;
581
582 BT_DBG("%s status 0x%x", hdev->name, status);
583
584 if (!status)
585 return;
586
587 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
588 if (!cp)
589 return;
590
591 hci_dev_lock(hdev);
592
593 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
594 if (conn)
595 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
596
597 hci_dev_unlock(hdev);
598 }
599
600 static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
601 {
602 struct hci_cp_exit_sniff_mode *cp;
603 struct hci_conn *conn;
604
605 BT_DBG("%s status 0x%x", hdev->name, status);
606
607 if (!status)
608 return;
609
610 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
611 if (!cp)
612 return;
613
614 hci_dev_lock(hdev);
615
616 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
617 if (conn)
618 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
619
620 hci_dev_unlock(hdev);
621 }
622
623 static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
624 {
625 __u8 status = *((__u8 *) skb->data);
626
627 BT_DBG("%s status %d", hdev->name, status);
628
629 clear_bit(HCI_INQUIRY, &hdev->flags);
630
631 hci_req_complete(hdev, status);
632
633 hci_conn_check_pending(hdev);
634 }
635
636 static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
637 {
638 struct inquiry_data data;
639 struct inquiry_info *info = (void *) (skb->data + 1);
640 int num_rsp = *((__u8 *) skb->data);
641
642 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
643
644 if (!num_rsp)
645 return;
646
647 hci_dev_lock(hdev);
648
649 for (; num_rsp; num_rsp--) {
650 bacpy(&data.bdaddr, &info->bdaddr);
651 data.pscan_rep_mode = info->pscan_rep_mode;
652 data.pscan_period_mode = info->pscan_period_mode;
653 data.pscan_mode = info->pscan_mode;
654 memcpy(data.dev_class, info->dev_class, 3);
655 data.clock_offset = info->clock_offset;
656 data.rssi = 0x00;
657 info++;
658 hci_inquiry_cache_update(hdev, &data);
659 }
660
661 hci_dev_unlock(hdev);
662 }
663
664 static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
665 {
666 struct hci_ev_conn_complete *ev = (void *) skb->data;
667 struct hci_conn *conn;
668
669 BT_DBG("%s", hdev->name);
670
671 hci_dev_lock(hdev);
672
673 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
674 if (!conn)
675 goto unlock;
676
677 if (!ev->status) {
678 conn->handle = __le16_to_cpu(ev->handle);
679 conn->state = BT_CONNECTED;
680
681 if (test_bit(HCI_AUTH, &hdev->flags))
682 conn->link_mode |= HCI_LM_AUTH;
683
684 if (test_bit(HCI_ENCRYPT, &hdev->flags))
685 conn->link_mode |= HCI_LM_ENCRYPT;
686
687 /* Get remote features */
688 if (conn->type == ACL_LINK) {
689 struct hci_cp_read_remote_features cp;
690 cp.handle = ev->handle;
691 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES, sizeof(cp), &cp);
692 }
693
694 /* Set link policy */
695 if (conn->type == ACL_LINK && hdev->link_policy) {
696 struct hci_cp_write_link_policy cp;
697 cp.handle = ev->handle;
698 cp.policy = cpu_to_le16(hdev->link_policy);
699 hci_send_cmd(hdev, HCI_OP_WRITE_LINK_POLICY, sizeof(cp), &cp);
700 }
701
702 /* Set packet type for incoming connection */
703 if (!conn->out) {
704 struct hci_cp_change_conn_ptype cp;
705 cp.handle = ev->handle;
706 cp.pkt_type = (conn->type == ACL_LINK) ?
707 cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK):
708 cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK);
709
710 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), &cp);
711 } else {
712 /* Update disconnect timer */
713 hci_conn_hold(conn);
714 hci_conn_put(conn);
715 }
716 } else
717 conn->state = BT_CLOSED;
718
719 if (conn->type == ACL_LINK) {
720 struct hci_conn *sco = conn->link;
721 if (sco) {
722 if (!ev->status) {
723 if (lmp_esco_capable(hdev))
724 hci_setup_sync(sco, conn->handle);
725 else
726 hci_add_sco(sco, conn->handle);
727 } else {
728 hci_proto_connect_cfm(sco, ev->status);
729 hci_conn_del(sco);
730 }
731 }
732 }
733
734 hci_proto_connect_cfm(conn, ev->status);
735 if (ev->status)
736 hci_conn_del(conn);
737
738 unlock:
739 hci_dev_unlock(hdev);
740
741 hci_conn_check_pending(hdev);
742 }
743
744 static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
745 {
746 struct hci_ev_conn_request *ev = (void *) skb->data;
747 int mask = hdev->link_mode;
748
749 BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
750 batostr(&ev->bdaddr), ev->link_type);
751
752 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
753
754 if (mask & HCI_LM_ACCEPT) {
755 /* Connection accepted */
756 struct hci_conn *conn;
757
758 hci_dev_lock(hdev);
759
760 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
761 if (!conn) {
762 if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) {
763 BT_ERR("No memmory for new connection");
764 hci_dev_unlock(hdev);
765 return;
766 }
767 }
768
769 memcpy(conn->dev_class, ev->dev_class, 3);
770 conn->state = BT_CONNECT;
771
772 hci_dev_unlock(hdev);
773
774 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
775 struct hci_cp_accept_conn_req cp;
776
777 bacpy(&cp.bdaddr, &ev->bdaddr);
778
779 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
780 cp.role = 0x00; /* Become master */
781 else
782 cp.role = 0x01; /* Remain slave */
783
784 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
785 sizeof(cp), &cp);
786 } else {
787 struct hci_cp_accept_sync_conn_req cp;
788
789 bacpy(&cp.bdaddr, &ev->bdaddr);
790 cp.pkt_type = cpu_to_le16(hdev->esco_type);
791
792 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
793 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
794 cp.max_latency = cpu_to_le16(0xffff);
795 cp.content_format = cpu_to_le16(hdev->voice_setting);
796 cp.retrans_effort = 0xff;
797
798 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
799 sizeof(cp), &cp);
800 }
801 } else {
802 /* Connection rejected */
803 struct hci_cp_reject_conn_req cp;
804
805 bacpy(&cp.bdaddr, &ev->bdaddr);
806 cp.reason = 0x0f;
807 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
808 }
809 }
810
811 static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
812 {
813 struct hci_ev_disconn_complete *ev = (void *) skb->data;
814 struct hci_conn *conn;
815
816 BT_DBG("%s status %d", hdev->name, ev->status);
817
818 if (ev->status)
819 return;
820
821 hci_dev_lock(hdev);
822
823 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
824 if (conn) {
825 conn->state = BT_CLOSED;
826 hci_proto_disconn_ind(conn, ev->reason);
827 hci_conn_del(conn);
828 }
829
830 hci_dev_unlock(hdev);
831 }
832
833 static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
834 {
835 struct hci_ev_auth_complete *ev = (void *) skb->data;
836 struct hci_conn *conn;
837
838 BT_DBG("%s status %d", hdev->name, ev->status);
839
840 hci_dev_lock(hdev);
841
842 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
843 if (conn) {
844 if (!ev->status)
845 conn->link_mode |= HCI_LM_AUTH;
846
847 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
848
849 hci_auth_cfm(conn, ev->status);
850
851 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
852 if (!ev->status) {
853 struct hci_cp_set_conn_encrypt cp;
854 cp.handle = cpu_to_le16(conn->handle);
855 cp.encrypt = 1;
856 hci_send_cmd(conn->hdev,
857 HCI_OP_SET_CONN_ENCRYPT, sizeof(cp), &cp);
858 } else {
859 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
860 hci_encrypt_cfm(conn, ev->status, 0x00);
861 }
862 }
863 }
864
865 hci_dev_unlock(hdev);
866 }
867
868 static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
869 {
870 BT_DBG("%s", hdev->name);
871
872 hci_conn_check_pending(hdev);
873 }
874
875 static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
876 {
877 struct hci_ev_encrypt_change *ev = (void *) skb->data;
878 struct hci_conn *conn;
879
880 BT_DBG("%s status %d", hdev->name, ev->status);
881
882 hci_dev_lock(hdev);
883
884 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
885 if (conn) {
886 if (!ev->status) {
887 if (ev->encrypt)
888 conn->link_mode |= HCI_LM_ENCRYPT;
889 else
890 conn->link_mode &= ~HCI_LM_ENCRYPT;
891 }
892
893 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
894
895 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
896 }
897
898 hci_dev_unlock(hdev);
899 }
900
901 static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
902 {
903 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
904 struct hci_conn *conn;
905
906 BT_DBG("%s status %d", hdev->name, ev->status);
907
908 hci_dev_lock(hdev);
909
910 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
911 if (conn) {
912 if (!ev->status)
913 conn->link_mode |= HCI_LM_SECURE;
914
915 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
916
917 hci_key_change_cfm(conn, ev->status);
918 }
919
920 hci_dev_unlock(hdev);
921 }
922
923 static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
924 {
925 struct hci_ev_remote_features *ev = (void *) skb->data;
926 struct hci_conn *conn;
927
928 BT_DBG("%s status %d", hdev->name, ev->status);
929
930 if (ev->status)
931 return;
932
933 hci_dev_lock(hdev);
934
935 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
936 if (conn)
937 memcpy(conn->features, ev->features, 8);
938
939 hci_dev_unlock(hdev);
940 }
941
942 static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
943 {
944 BT_DBG("%s", hdev->name);
945 }
946
947 static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
948 {
949 BT_DBG("%s", hdev->name);
950 }
951
952 static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
953 {
954 struct hci_ev_cmd_complete *ev = (void *) skb->data;
955 __u16 opcode;
956
957 skb_pull(skb, sizeof(*ev));
958
959 opcode = __le16_to_cpu(ev->opcode);
960
961 switch (opcode) {
962 case HCI_OP_INQUIRY_CANCEL:
963 hci_cc_inquiry_cancel(hdev, skb);
964 break;
965
966 case HCI_OP_EXIT_PERIODIC_INQ:
967 hci_cc_exit_periodic_inq(hdev, skb);
968 break;
969
970 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
971 hci_cc_remote_name_req_cancel(hdev, skb);
972 break;
973
974 case HCI_OP_ROLE_DISCOVERY:
975 hci_cc_role_discovery(hdev, skb);
976 break;
977
978 case HCI_OP_WRITE_LINK_POLICY:
979 hci_cc_write_link_policy(hdev, skb);
980 break;
981
982 case HCI_OP_RESET:
983 hci_cc_reset(hdev, skb);
984 break;
985
986 case HCI_OP_WRITE_LOCAL_NAME:
987 hci_cc_write_local_name(hdev, skb);
988 break;
989
990 case HCI_OP_READ_LOCAL_NAME:
991 hci_cc_read_local_name(hdev, skb);
992 break;
993
994 case HCI_OP_WRITE_AUTH_ENABLE:
995 hci_cc_write_auth_enable(hdev, skb);
996 break;
997
998 case HCI_OP_WRITE_ENCRYPT_MODE:
999 hci_cc_write_encrypt_mode(hdev, skb);
1000 break;
1001
1002 case HCI_OP_WRITE_SCAN_ENABLE:
1003 hci_cc_write_scan_enable(hdev, skb);
1004 break;
1005
1006 case HCI_OP_READ_CLASS_OF_DEV:
1007 hci_cc_read_class_of_dev(hdev, skb);
1008 break;
1009
1010 case HCI_OP_WRITE_CLASS_OF_DEV:
1011 hci_cc_write_class_of_dev(hdev, skb);
1012 break;
1013
1014 case HCI_OP_READ_VOICE_SETTING:
1015 hci_cc_read_voice_setting(hdev, skb);
1016 break;
1017
1018 case HCI_OP_WRITE_VOICE_SETTING:
1019 hci_cc_write_voice_setting(hdev, skb);
1020 break;
1021
1022 case HCI_OP_HOST_BUFFER_SIZE:
1023 hci_cc_host_buffer_size(hdev, skb);
1024 break;
1025
1026 case HCI_OP_READ_LOCAL_VERSION:
1027 hci_cc_read_local_version(hdev, skb);
1028 break;
1029
1030 case HCI_OP_READ_LOCAL_COMMANDS:
1031 hci_cc_read_local_commands(hdev, skb);
1032 break;
1033
1034 case HCI_OP_READ_LOCAL_FEATURES:
1035 hci_cc_read_local_features(hdev, skb);
1036 break;
1037
1038 case HCI_OP_READ_BUFFER_SIZE:
1039 hci_cc_read_buffer_size(hdev, skb);
1040 break;
1041
1042 case HCI_OP_READ_BD_ADDR:
1043 hci_cc_read_bd_addr(hdev, skb);
1044 break;
1045
1046 default:
1047 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
1048 break;
1049 }
1050
1051 if (ev->ncmd) {
1052 atomic_set(&hdev->cmd_cnt, 1);
1053 if (!skb_queue_empty(&hdev->cmd_q))
1054 hci_sched_cmd(hdev);
1055 }
1056 }
1057
1058 static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
1059 {
1060 struct hci_ev_cmd_status *ev = (void *) skb->data;
1061 __u16 opcode;
1062
1063 skb_pull(skb, sizeof(*ev));
1064
1065 opcode = __le16_to_cpu(ev->opcode);
1066
1067 switch (opcode) {
1068 case HCI_OP_INQUIRY:
1069 hci_cs_inquiry(hdev, ev->status);
1070 break;
1071
1072 case HCI_OP_CREATE_CONN:
1073 hci_cs_create_conn(hdev, ev->status);
1074 break;
1075
1076 case HCI_OP_ADD_SCO:
1077 hci_cs_add_sco(hdev, ev->status);
1078 break;
1079
1080 case HCI_OP_REMOTE_NAME_REQ:
1081 hci_cs_remote_name_req(hdev, ev->status);
1082 break;
1083
1084 case HCI_OP_SETUP_SYNC_CONN:
1085 hci_cs_setup_sync_conn(hdev, ev->status);
1086 break;
1087
1088 case HCI_OP_SNIFF_MODE:
1089 hci_cs_sniff_mode(hdev, ev->status);
1090 break;
1091
1092 case HCI_OP_EXIT_SNIFF_MODE:
1093 hci_cs_exit_sniff_mode(hdev, ev->status);
1094 break;
1095
1096 default:
1097 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
1098 break;
1099 }
1100
1101 if (ev->ncmd) {
1102 atomic_set(&hdev->cmd_cnt, 1);
1103 if (!skb_queue_empty(&hdev->cmd_q))
1104 hci_sched_cmd(hdev);
1105 }
1106 }
1107
1108 static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1109 {
1110 struct hci_ev_role_change *ev = (void *) skb->data;
1111 struct hci_conn *conn;
1112
1113 BT_DBG("%s status %d", hdev->name, ev->status);
1114
1115 hci_dev_lock(hdev);
1116
1117 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
1118 if (conn) {
1119 if (!ev->status) {
1120 if (ev->role)
1121 conn->link_mode &= ~HCI_LM_MASTER;
1122 else
1123 conn->link_mode |= HCI_LM_MASTER;
1124 }
1125
1126 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend);
1127
1128 hci_role_switch_cfm(conn, ev->status, ev->role);
1129 }
1130
1131 hci_dev_unlock(hdev);
1132 }
1133
1134 static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
1135 {
1136 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
1137 __le16 *ptr;
1138 int i;
1139
1140 skb_pull(skb, sizeof(*ev));
1141
1142 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
1143
1144 if (skb->len < ev->num_hndl * 4) {
1145 BT_DBG("%s bad parameters", hdev->name);
1146 return;
1147 }
1148
1149 tasklet_disable(&hdev->tx_task);
1150
1151 for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) {
1152 struct hci_conn *conn;
1153 __u16 handle, count;
1154
1155 handle = __le16_to_cpu(get_unaligned(ptr++));
1156 count = __le16_to_cpu(get_unaligned(ptr++));
1157
1158 conn = hci_conn_hash_lookup_handle(hdev, handle);
1159 if (conn) {
1160 conn->sent -= count;
1161
1162 if (conn->type == ACL_LINK) {
1163 if ((hdev->acl_cnt += count) > hdev->acl_pkts)
1164 hdev->acl_cnt = hdev->acl_pkts;
1165 } else {
1166 if ((hdev->sco_cnt += count) > hdev->sco_pkts)
1167 hdev->sco_cnt = hdev->sco_pkts;
1168 }
1169 }
1170 }
1171
1172 hci_sched_tx(hdev);
1173
1174 tasklet_enable(&hdev->tx_task);
1175 }
1176
1177 static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1178 {
1179 struct hci_ev_mode_change *ev = (void *) skb->data;
1180 struct hci_conn *conn;
1181
1182 BT_DBG("%s status %d", hdev->name, ev->status);
1183
1184 hci_dev_lock(hdev);
1185
1186 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1187 if (conn) {
1188 conn->mode = ev->mode;
1189 conn->interval = __le16_to_cpu(ev->interval);
1190
1191 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
1192 if (conn->mode == HCI_CM_ACTIVE)
1193 conn->power_save = 1;
1194 else
1195 conn->power_save = 0;
1196 }
1197 }
1198
1199 hci_dev_unlock(hdev);
1200 }
1201
1202 static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1203 {
1204 BT_DBG("%s", hdev->name);
1205 }
1206
1207 static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1208 {
1209 BT_DBG("%s", hdev->name);
1210 }
1211
1212 static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
1213 {
1214 BT_DBG("%s", hdev->name);
1215 }
1216
1217 static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1218 {
1219 struct hci_ev_clock_offset *ev = (void *) skb->data;
1220 struct hci_conn *conn;
1221
1222 BT_DBG("%s status %d", hdev->name, ev->status);
1223
1224 hci_dev_lock(hdev);
1225
1226 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1227 if (conn && !ev->status) {
1228 struct inquiry_entry *ie;
1229
1230 if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) {
1231 ie->data.clock_offset = ev->clock_offset;
1232 ie->timestamp = jiffies;
1233 }
1234 }
1235
1236 hci_dev_unlock(hdev);
1237 }
1238
1239 static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
1240 {
1241 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
1242 struct inquiry_entry *ie;
1243
1244 BT_DBG("%s", hdev->name);
1245
1246 hci_dev_lock(hdev);
1247
1248 if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) {
1249 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
1250 ie->timestamp = jiffies;
1251 }
1252
1253 hci_dev_unlock(hdev);
1254 }
1255
1256 static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
1257 {
1258 struct inquiry_data data;
1259 int num_rsp = *((__u8 *) skb->data);
1260
1261 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1262
1263 if (!num_rsp)
1264 return;
1265
1266 hci_dev_lock(hdev);
1267
1268 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
1269 struct inquiry_info_with_rssi_and_pscan_mode *info = (void *) (skb->data + 1);
1270
1271 for (; num_rsp; num_rsp--) {
1272 bacpy(&data.bdaddr, &info->bdaddr);
1273 data.pscan_rep_mode = info->pscan_rep_mode;
1274 data.pscan_period_mode = info->pscan_period_mode;
1275 data.pscan_mode = info->pscan_mode;
1276 memcpy(data.dev_class, info->dev_class, 3);
1277 data.clock_offset = info->clock_offset;
1278 data.rssi = info->rssi;
1279 info++;
1280 hci_inquiry_cache_update(hdev, &data);
1281 }
1282 } else {
1283 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
1284
1285 for (; num_rsp; num_rsp--) {
1286 bacpy(&data.bdaddr, &info->bdaddr);
1287 data.pscan_rep_mode = info->pscan_rep_mode;
1288 data.pscan_period_mode = info->pscan_period_mode;
1289 data.pscan_mode = 0x00;
1290 memcpy(data.dev_class, info->dev_class, 3);
1291 data.clock_offset = info->clock_offset;
1292 data.rssi = info->rssi;
1293 info++;
1294 hci_inquiry_cache_update(hdev, &data);
1295 }
1296 }
1297
1298 hci_dev_unlock(hdev);
1299 }
1300
1301 static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
1302 {
1303 BT_DBG("%s", hdev->name);
1304 }
1305
1306 static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1307 {
1308 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
1309 struct hci_conn *conn;
1310
1311 BT_DBG("%s status %d", hdev->name, ev->status);
1312
1313 hci_dev_lock(hdev);
1314
1315 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1316 if (!conn)
1317 goto unlock;
1318
1319 if (!ev->status) {
1320 conn->handle = __le16_to_cpu(ev->handle);
1321 conn->state = BT_CONNECTED;
1322 } else
1323 conn->state = BT_CLOSED;
1324
1325 hci_proto_connect_cfm(conn, ev->status);
1326 if (ev->status)
1327 hci_conn_del(conn);
1328
1329 unlock:
1330 hci_dev_unlock(hdev);
1331 }
1332
1333 static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
1334 {
1335 BT_DBG("%s", hdev->name);
1336 }
1337
1338 static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
1339 {
1340 struct hci_ev_sniff_subrate *ev = (void *) skb->data;
1341 struct hci_conn *conn;
1342
1343 BT_DBG("%s status %d", hdev->name, ev->status);
1344
1345 hci_dev_lock(hdev);
1346
1347 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1348 if (conn) {
1349 }
1350
1351 hci_dev_unlock(hdev);
1352 }
1353
1354 static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1355 {
1356 struct inquiry_data data;
1357 struct extended_inquiry_info *info = (void *) (skb->data + 1);
1358 int num_rsp = *((__u8 *) skb->data);
1359
1360 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1361
1362 if (!num_rsp)
1363 return;
1364
1365 hci_dev_lock(hdev);
1366
1367 for (; num_rsp; num_rsp--) {
1368 bacpy(&data.bdaddr, &info->bdaddr);
1369 data.pscan_rep_mode = info->pscan_rep_mode;
1370 data.pscan_period_mode = info->pscan_period_mode;
1371 data.pscan_mode = 0x00;
1372 memcpy(data.dev_class, info->dev_class, 3);
1373 data.clock_offset = info->clock_offset;
1374 data.rssi = info->rssi;
1375 info++;
1376 hci_inquiry_cache_update(hdev, &data);
1377 }
1378
1379 hci_dev_unlock(hdev);
1380 }
1381
1382 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
1383 {
1384 struct hci_event_hdr *hdr = (void *) skb->data;
1385 __u8 event = hdr->evt;
1386
1387 skb_pull(skb, HCI_EVENT_HDR_SIZE);
1388
1389 switch (event) {
1390 case HCI_EV_INQUIRY_COMPLETE:
1391 hci_inquiry_complete_evt(hdev, skb);
1392 break;
1393
1394 case HCI_EV_INQUIRY_RESULT:
1395 hci_inquiry_result_evt(hdev, skb);
1396 break;
1397
1398 case HCI_EV_CONN_COMPLETE:
1399 hci_conn_complete_evt(hdev, skb);
1400 break;
1401
1402 case HCI_EV_CONN_REQUEST:
1403 hci_conn_request_evt(hdev, skb);
1404 break;
1405
1406 case HCI_EV_DISCONN_COMPLETE:
1407 hci_disconn_complete_evt(hdev, skb);
1408 break;
1409
1410 case HCI_EV_AUTH_COMPLETE:
1411 hci_auth_complete_evt(hdev, skb);
1412 break;
1413
1414 case HCI_EV_REMOTE_NAME:
1415 hci_remote_name_evt(hdev, skb);
1416 break;
1417
1418 case HCI_EV_ENCRYPT_CHANGE:
1419 hci_encrypt_change_evt(hdev, skb);
1420 break;
1421
1422 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
1423 hci_change_link_key_complete_evt(hdev, skb);
1424 break;
1425
1426 case HCI_EV_REMOTE_FEATURES:
1427 hci_remote_features_evt(hdev, skb);
1428 break;
1429
1430 case HCI_EV_REMOTE_VERSION:
1431 hci_remote_version_evt(hdev, skb);
1432 break;
1433
1434 case HCI_EV_QOS_SETUP_COMPLETE:
1435 hci_qos_setup_complete_evt(hdev, skb);
1436 break;
1437
1438 case HCI_EV_CMD_COMPLETE:
1439 hci_cmd_complete_evt(hdev, skb);
1440 break;
1441
1442 case HCI_EV_CMD_STATUS:
1443 hci_cmd_status_evt(hdev, skb);
1444 break;
1445
1446 case HCI_EV_ROLE_CHANGE:
1447 hci_role_change_evt(hdev, skb);
1448 break;
1449
1450 case HCI_EV_NUM_COMP_PKTS:
1451 hci_num_comp_pkts_evt(hdev, skb);
1452 break;
1453
1454 case HCI_EV_MODE_CHANGE:
1455 hci_mode_change_evt(hdev, skb);
1456 break;
1457
1458 case HCI_EV_PIN_CODE_REQ:
1459 hci_pin_code_request_evt(hdev, skb);
1460 break;
1461
1462 case HCI_EV_LINK_KEY_REQ:
1463 hci_link_key_request_evt(hdev, skb);
1464 break;
1465
1466 case HCI_EV_LINK_KEY_NOTIFY:
1467 hci_link_key_notify_evt(hdev, skb);
1468 break;
1469
1470 case HCI_EV_CLOCK_OFFSET:
1471 hci_clock_offset_evt(hdev, skb);
1472 break;
1473
1474 case HCI_EV_PSCAN_REP_MODE:
1475 hci_pscan_rep_mode_evt(hdev, skb);
1476 break;
1477
1478 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
1479 hci_inquiry_result_with_rssi_evt(hdev, skb);
1480 break;
1481
1482 case HCI_EV_REMOTE_EXT_FEATURES:
1483 hci_remote_ext_features_evt(hdev, skb);
1484 break;
1485
1486 case HCI_EV_SYNC_CONN_COMPLETE:
1487 hci_sync_conn_complete_evt(hdev, skb);
1488 break;
1489
1490 case HCI_EV_SYNC_CONN_CHANGED:
1491 hci_sync_conn_changed_evt(hdev, skb);
1492 break;
1493
1494 case HCI_EV_SNIFF_SUBRATE:
1495 hci_sniff_subrate_evt(hdev, skb);
1496 break;
1497
1498 case HCI_EV_EXTENDED_INQUIRY_RESULT:
1499 hci_extended_inquiry_result_evt(hdev, skb);
1500 break;
1501
1502 default:
1503 BT_DBG("%s event 0x%x", hdev->name, event);
1504 break;
1505 }
1506
1507 kfree_skb(skb);
1508 hdev->stat.evt_rx++;
1509 }
1510
1511 /* Generate internal stack event */
1512 void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
1513 {
1514 struct hci_event_hdr *hdr;
1515 struct hci_ev_stack_internal *ev;
1516 struct sk_buff *skb;
1517
1518 skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
1519 if (!skb)
1520 return;
1521
1522 hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
1523 hdr->evt = HCI_EV_STACK_INTERNAL;
1524 hdr->plen = sizeof(*ev) + dlen;
1525
1526 ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
1527 ev->type = type;
1528 memcpy(ev->data, data, dlen);
1529
1530 bt_cb(skb)->incoming = 1;
1531 __net_timestamp(skb);
1532
1533 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
1534 skb->dev = (void *) hdev;
1535 hci_send_to_sock(hdev, skb);
1536 kfree_skb(skb);
1537 }
1538
|
This page was automatically generated by the
LXR engine.
|