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Merge tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / bluetooth / hci_event.c
1 /*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
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 <net/sock.h>
39
40 #include <linux/uaccess.h>
41 #include <asm/unaligned.h>
42
43 #include <net/bluetooth/bluetooth.h>
44 #include <net/bluetooth/hci_core.h>
45
46 /* Handle HCI Event packets */
47
48 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
49 {
50 __u8 status = *((__u8 *) skb->data);
51
52 BT_DBG("%s status 0x%x", hdev->name, status);
53
54 if (status) {
55 hci_dev_lock(hdev);
56 mgmt_stop_discovery_failed(hdev, status);
57 hci_dev_unlock(hdev);
58 return;
59 }
60
61 clear_bit(HCI_INQUIRY, &hdev->flags);
62
63 hci_dev_lock(hdev);
64 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
65 hci_dev_unlock(hdev);
66
67 hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
68
69 hci_conn_check_pending(hdev);
70 }
71
72 static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
73 {
74 __u8 status = *((__u8 *) skb->data);
75
76 BT_DBG("%s status 0x%x", hdev->name, status);
77
78 if (status)
79 return;
80
81 hci_conn_check_pending(hdev);
82 }
83
84 static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb)
85 {
86 BT_DBG("%s", hdev->name);
87 }
88
89 static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
90 {
91 struct hci_rp_role_discovery *rp = (void *) skb->data;
92 struct hci_conn *conn;
93
94 BT_DBG("%s status 0x%x", hdev->name, rp->status);
95
96 if (rp->status)
97 return;
98
99 hci_dev_lock(hdev);
100
101 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
102 if (conn) {
103 if (rp->role)
104 conn->link_mode &= ~HCI_LM_MASTER;
105 else
106 conn->link_mode |= HCI_LM_MASTER;
107 }
108
109 hci_dev_unlock(hdev);
110 }
111
112 static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
113 {
114 struct hci_rp_read_link_policy *rp = (void *) skb->data;
115 struct hci_conn *conn;
116
117 BT_DBG("%s status 0x%x", hdev->name, rp->status);
118
119 if (rp->status)
120 return;
121
122 hci_dev_lock(hdev);
123
124 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
125 if (conn)
126 conn->link_policy = __le16_to_cpu(rp->policy);
127
128 hci_dev_unlock(hdev);
129 }
130
131 static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
132 {
133 struct hci_rp_write_link_policy *rp = (void *) skb->data;
134 struct hci_conn *conn;
135 void *sent;
136
137 BT_DBG("%s status 0x%x", hdev->name, rp->status);
138
139 if (rp->status)
140 return;
141
142 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
143 if (!sent)
144 return;
145
146 hci_dev_lock(hdev);
147
148 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
149 if (conn)
150 conn->link_policy = get_unaligned_le16(sent + 2);
151
152 hci_dev_unlock(hdev);
153 }
154
155 static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
156 {
157 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
158
159 BT_DBG("%s status 0x%x", hdev->name, rp->status);
160
161 if (rp->status)
162 return;
163
164 hdev->link_policy = __le16_to_cpu(rp->policy);
165 }
166
167 static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
168 {
169 __u8 status = *((__u8 *) skb->data);
170 void *sent;
171
172 BT_DBG("%s status 0x%x", hdev->name, status);
173
174 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
175 if (!sent)
176 return;
177
178 if (!status)
179 hdev->link_policy = get_unaligned_le16(sent);
180
181 hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
182 }
183
184 static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
185 {
186 __u8 status = *((__u8 *) skb->data);
187
188 BT_DBG("%s status 0x%x", hdev->name, status);
189
190 clear_bit(HCI_RESET, &hdev->flags);
191
192 hci_req_complete(hdev, HCI_OP_RESET, status);
193
194 /* Reset all non-persistent flags */
195 hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS));
196
197 hdev->discovery.state = DISCOVERY_STOPPED;
198 }
199
200 static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
201 {
202 __u8 status = *((__u8 *) skb->data);
203 void *sent;
204
205 BT_DBG("%s status 0x%x", hdev->name, status);
206
207 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
208 if (!sent)
209 return;
210
211 hci_dev_lock(hdev);
212
213 if (test_bit(HCI_MGMT, &hdev->dev_flags))
214 mgmt_set_local_name_complete(hdev, sent, status);
215 else if (!status)
216 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
217
218 hci_dev_unlock(hdev);
219
220 hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
221 }
222
223 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
224 {
225 struct hci_rp_read_local_name *rp = (void *) skb->data;
226
227 BT_DBG("%s status 0x%x", hdev->name, rp->status);
228
229 if (rp->status)
230 return;
231
232 if (test_bit(HCI_SETUP, &hdev->dev_flags))
233 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
234 }
235
236 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
237 {
238 __u8 status = *((__u8 *) skb->data);
239 void *sent;
240
241 BT_DBG("%s status 0x%x", hdev->name, status);
242
243 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
244 if (!sent)
245 return;
246
247 if (!status) {
248 __u8 param = *((__u8 *) sent);
249
250 if (param == AUTH_ENABLED)
251 set_bit(HCI_AUTH, &hdev->flags);
252 else
253 clear_bit(HCI_AUTH, &hdev->flags);
254 }
255
256 if (test_bit(HCI_MGMT, &hdev->dev_flags))
257 mgmt_auth_enable_complete(hdev, status);
258
259 hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
260 }
261
262 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
263 {
264 __u8 status = *((__u8 *) skb->data);
265 void *sent;
266
267 BT_DBG("%s status 0x%x", hdev->name, status);
268
269 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
270 if (!sent)
271 return;
272
273 if (!status) {
274 __u8 param = *((__u8 *) sent);
275
276 if (param)
277 set_bit(HCI_ENCRYPT, &hdev->flags);
278 else
279 clear_bit(HCI_ENCRYPT, &hdev->flags);
280 }
281
282 hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
283 }
284
285 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
286 {
287 __u8 param, status = *((__u8 *) skb->data);
288 int old_pscan, old_iscan;
289 void *sent;
290
291 BT_DBG("%s status 0x%x", hdev->name, status);
292
293 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
294 if (!sent)
295 return;
296
297 param = *((__u8 *) sent);
298
299 hci_dev_lock(hdev);
300
301 if (status != 0) {
302 mgmt_write_scan_failed(hdev, param, status);
303 hdev->discov_timeout = 0;
304 goto done;
305 }
306
307 old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
308 old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
309
310 if (param & SCAN_INQUIRY) {
311 set_bit(HCI_ISCAN, &hdev->flags);
312 if (!old_iscan)
313 mgmt_discoverable(hdev, 1);
314 if (hdev->discov_timeout > 0) {
315 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
316 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
317 to);
318 }
319 } else if (old_iscan)
320 mgmt_discoverable(hdev, 0);
321
322 if (param & SCAN_PAGE) {
323 set_bit(HCI_PSCAN, &hdev->flags);
324 if (!old_pscan)
325 mgmt_connectable(hdev, 1);
326 } else if (old_pscan)
327 mgmt_connectable(hdev, 0);
328
329 done:
330 hci_dev_unlock(hdev);
331 hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
332 }
333
334 static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
335 {
336 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
337
338 BT_DBG("%s status 0x%x", hdev->name, rp->status);
339
340 if (rp->status)
341 return;
342
343 memcpy(hdev->dev_class, rp->dev_class, 3);
344
345 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
346 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
347 }
348
349 static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
350 {
351 __u8 status = *((__u8 *) skb->data);
352 void *sent;
353
354 BT_DBG("%s status 0x%x", hdev->name, status);
355
356 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
357 if (!sent)
358 return;
359
360 hci_dev_lock(hdev);
361
362 if (status == 0)
363 memcpy(hdev->dev_class, sent, 3);
364
365 if (test_bit(HCI_MGMT, &hdev->dev_flags))
366 mgmt_set_class_of_dev_complete(hdev, sent, status);
367
368 hci_dev_unlock(hdev);
369 }
370
371 static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
372 {
373 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
374 __u16 setting;
375
376 BT_DBG("%s status 0x%x", hdev->name, rp->status);
377
378 if (rp->status)
379 return;
380
381 setting = __le16_to_cpu(rp->voice_setting);
382
383 if (hdev->voice_setting == setting)
384 return;
385
386 hdev->voice_setting = setting;
387
388 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
389
390 if (hdev->notify)
391 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
392 }
393
394 static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
395 {
396 __u8 status = *((__u8 *) skb->data);
397 __u16 setting;
398 void *sent;
399
400 BT_DBG("%s status 0x%x", hdev->name, status);
401
402 if (status)
403 return;
404
405 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
406 if (!sent)
407 return;
408
409 setting = get_unaligned_le16(sent);
410
411 if (hdev->voice_setting == setting)
412 return;
413
414 hdev->voice_setting = setting;
415
416 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
417
418 if (hdev->notify)
419 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
420 }
421
422 static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
423 {
424 __u8 status = *((__u8 *) skb->data);
425
426 BT_DBG("%s status 0x%x", hdev->name, status);
427
428 hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
429 }
430
431 static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
432 {
433 __u8 status = *((__u8 *) skb->data);
434 void *sent;
435
436 BT_DBG("%s status 0x%x", hdev->name, status);
437
438 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
439 if (!sent)
440 return;
441
442 if (test_bit(HCI_MGMT, &hdev->dev_flags))
443 mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status);
444 else if (!status) {
445 if (*((u8 *) sent))
446 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
447 else
448 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
449 }
450 }
451
452 static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
453 {
454 if (hdev->features[6] & LMP_EXT_INQ)
455 return 2;
456
457 if (hdev->features[3] & LMP_RSSI_INQ)
458 return 1;
459
460 if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
461 hdev->lmp_subver == 0x0757)
462 return 1;
463
464 if (hdev->manufacturer == 15) {
465 if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
466 return 1;
467 if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
468 return 1;
469 if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
470 return 1;
471 }
472
473 if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
474 hdev->lmp_subver == 0x1805)
475 return 1;
476
477 return 0;
478 }
479
480 static void hci_setup_inquiry_mode(struct hci_dev *hdev)
481 {
482 u8 mode;
483
484 mode = hci_get_inquiry_mode(hdev);
485
486 hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
487 }
488
489 static void hci_setup_event_mask(struct hci_dev *hdev)
490 {
491 /* The second byte is 0xff instead of 0x9f (two reserved bits
492 * disabled) since a Broadcom 1.2 dongle doesn't respond to the
493 * command otherwise */
494 u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
495
496 /* CSR 1.1 dongles does not accept any bitfield so don't try to set
497 * any event mask for pre 1.2 devices */
498 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
499 return;
500
501 events[4] |= 0x01; /* Flow Specification Complete */
502 events[4] |= 0x02; /* Inquiry Result with RSSI */
503 events[4] |= 0x04; /* Read Remote Extended Features Complete */
504 events[5] |= 0x08; /* Synchronous Connection Complete */
505 events[5] |= 0x10; /* Synchronous Connection Changed */
506
507 if (hdev->features[3] & LMP_RSSI_INQ)
508 events[4] |= 0x04; /* Inquiry Result with RSSI */
509
510 if (hdev->features[5] & LMP_SNIFF_SUBR)
511 events[5] |= 0x20; /* Sniff Subrating */
512
513 if (hdev->features[5] & LMP_PAUSE_ENC)
514 events[5] |= 0x80; /* Encryption Key Refresh Complete */
515
516 if (hdev->features[6] & LMP_EXT_INQ)
517 events[5] |= 0x40; /* Extended Inquiry Result */
518
519 if (hdev->features[6] & LMP_NO_FLUSH)
520 events[7] |= 0x01; /* Enhanced Flush Complete */
521
522 if (hdev->features[7] & LMP_LSTO)
523 events[6] |= 0x80; /* Link Supervision Timeout Changed */
524
525 if (hdev->features[6] & LMP_SIMPLE_PAIR) {
526 events[6] |= 0x01; /* IO Capability Request */
527 events[6] |= 0x02; /* IO Capability Response */
528 events[6] |= 0x04; /* User Confirmation Request */
529 events[6] |= 0x08; /* User Passkey Request */
530 events[6] |= 0x10; /* Remote OOB Data Request */
531 events[6] |= 0x20; /* Simple Pairing Complete */
532 events[7] |= 0x04; /* User Passkey Notification */
533 events[7] |= 0x08; /* Keypress Notification */
534 events[7] |= 0x10; /* Remote Host Supported
535 * Features Notification */
536 }
537
538 if (hdev->features[4] & LMP_LE)
539 events[7] |= 0x20; /* LE Meta-Event */
540
541 hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
542 }
543
544 static void hci_setup(struct hci_dev *hdev)
545 {
546 if (hdev->dev_type != HCI_BREDR)
547 return;
548
549 hci_setup_event_mask(hdev);
550
551 if (hdev->hci_ver > BLUETOOTH_VER_1_1)
552 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
553
554 if (hdev->features[6] & LMP_SIMPLE_PAIR) {
555 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
556 u8 mode = 0x01;
557 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
558 sizeof(mode), &mode);
559 } else {
560 struct hci_cp_write_eir cp;
561
562 memset(hdev->eir, 0, sizeof(hdev->eir));
563 memset(&cp, 0, sizeof(cp));
564
565 hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
566 }
567 }
568
569 if (hdev->features[3] & LMP_RSSI_INQ)
570 hci_setup_inquiry_mode(hdev);
571
572 if (hdev->features[7] & LMP_INQ_TX_PWR)
573 hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
574
575 if (hdev->features[7] & LMP_EXTFEATURES) {
576 struct hci_cp_read_local_ext_features cp;
577
578 cp.page = 0x01;
579 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
580 &cp);
581 }
582
583 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
584 u8 enable = 1;
585 hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
586 &enable);
587 }
588 }
589
590 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
591 {
592 struct hci_rp_read_local_version *rp = (void *) skb->data;
593
594 BT_DBG("%s status 0x%x", hdev->name, rp->status);
595
596 if (rp->status)
597 goto done;
598
599 hdev->hci_ver = rp->hci_ver;
600 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
601 hdev->lmp_ver = rp->lmp_ver;
602 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
603 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
604
605 BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
606 hdev->manufacturer,
607 hdev->hci_ver, hdev->hci_rev);
608
609 if (test_bit(HCI_INIT, &hdev->flags))
610 hci_setup(hdev);
611
612 done:
613 hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
614 }
615
616 static void hci_setup_link_policy(struct hci_dev *hdev)
617 {
618 u16 link_policy = 0;
619
620 if (hdev->features[0] & LMP_RSWITCH)
621 link_policy |= HCI_LP_RSWITCH;
622 if (hdev->features[0] & LMP_HOLD)
623 link_policy |= HCI_LP_HOLD;
624 if (hdev->features[0] & LMP_SNIFF)
625 link_policy |= HCI_LP_SNIFF;
626 if (hdev->features[1] & LMP_PARK)
627 link_policy |= HCI_LP_PARK;
628
629 link_policy = cpu_to_le16(link_policy);
630 hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(link_policy),
631 &link_policy);
632 }
633
634 static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
635 {
636 struct hci_rp_read_local_commands *rp = (void *) skb->data;
637
638 BT_DBG("%s status 0x%x", hdev->name, rp->status);
639
640 if (rp->status)
641 goto done;
642
643 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
644
645 if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
646 hci_setup_link_policy(hdev);
647
648 done:
649 hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
650 }
651
652 static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
653 {
654 struct hci_rp_read_local_features *rp = (void *) skb->data;
655
656 BT_DBG("%s status 0x%x", hdev->name, rp->status);
657
658 if (rp->status)
659 return;
660
661 memcpy(hdev->features, rp->features, 8);
662
663 /* Adjust default settings according to features
664 * supported by device. */
665
666 if (hdev->features[0] & LMP_3SLOT)
667 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
668
669 if (hdev->features[0] & LMP_5SLOT)
670 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
671
672 if (hdev->features[1] & LMP_HV2) {
673 hdev->pkt_type |= (HCI_HV2);
674 hdev->esco_type |= (ESCO_HV2);
675 }
676
677 if (hdev->features[1] & LMP_HV3) {
678 hdev->pkt_type |= (HCI_HV3);
679 hdev->esco_type |= (ESCO_HV3);
680 }
681
682 if (hdev->features[3] & LMP_ESCO)
683 hdev->esco_type |= (ESCO_EV3);
684
685 if (hdev->features[4] & LMP_EV4)
686 hdev->esco_type |= (ESCO_EV4);
687
688 if (hdev->features[4] & LMP_EV5)
689 hdev->esco_type |= (ESCO_EV5);
690
691 if (hdev->features[5] & LMP_EDR_ESCO_2M)
692 hdev->esco_type |= (ESCO_2EV3);
693
694 if (hdev->features[5] & LMP_EDR_ESCO_3M)
695 hdev->esco_type |= (ESCO_3EV3);
696
697 if (hdev->features[5] & LMP_EDR_3S_ESCO)
698 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
699
700 BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
701 hdev->features[0], hdev->features[1],
702 hdev->features[2], hdev->features[3],
703 hdev->features[4], hdev->features[5],
704 hdev->features[6], hdev->features[7]);
705 }
706
707 static void hci_set_le_support(struct hci_dev *hdev)
708 {
709 struct hci_cp_write_le_host_supported cp;
710
711 memset(&cp, 0, sizeof(cp));
712
713 if (enable_le && test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
714 cp.le = 1;
715 cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
716 }
717
718 if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE))
719 hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
720 &cp);
721 }
722
723 static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
724 struct sk_buff *skb)
725 {
726 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
727
728 BT_DBG("%s status 0x%x", hdev->name, rp->status);
729
730 if (rp->status)
731 goto done;
732
733 switch (rp->page) {
734 case 0:
735 memcpy(hdev->features, rp->features, 8);
736 break;
737 case 1:
738 memcpy(hdev->host_features, rp->features, 8);
739 break;
740 }
741
742 if (test_bit(HCI_INIT, &hdev->flags) && hdev->features[4] & LMP_LE)
743 hci_set_le_support(hdev);
744
745 done:
746 hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
747 }
748
749 static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
750 struct sk_buff *skb)
751 {
752 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
753
754 BT_DBG("%s status 0x%x", hdev->name, rp->status);
755
756 if (rp->status)
757 return;
758
759 hdev->flow_ctl_mode = rp->mode;
760
761 hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
762 }
763
764 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
765 {
766 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
767
768 BT_DBG("%s status 0x%x", hdev->name, rp->status);
769
770 if (rp->status)
771 return;
772
773 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
774 hdev->sco_mtu = rp->sco_mtu;
775 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
776 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
777
778 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
779 hdev->sco_mtu = 64;
780 hdev->sco_pkts = 8;
781 }
782
783 hdev->acl_cnt = hdev->acl_pkts;
784 hdev->sco_cnt = hdev->sco_pkts;
785
786 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name,
787 hdev->acl_mtu, hdev->acl_pkts,
788 hdev->sco_mtu, hdev->sco_pkts);
789 }
790
791 static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
792 {
793 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
794
795 BT_DBG("%s status 0x%x", hdev->name, rp->status);
796
797 if (!rp->status)
798 bacpy(&hdev->bdaddr, &rp->bdaddr);
799
800 hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
801 }
802
803 static void hci_cc_read_data_block_size(struct hci_dev *hdev,
804 struct sk_buff *skb)
805 {
806 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
807
808 BT_DBG("%s status 0x%x", hdev->name, rp->status);
809
810 if (rp->status)
811 return;
812
813 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
814 hdev->block_len = __le16_to_cpu(rp->block_len);
815 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
816
817 hdev->block_cnt = hdev->num_blocks;
818
819 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
820 hdev->block_cnt, hdev->block_len);
821
822 hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
823 }
824
825 static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
826 {
827 __u8 status = *((__u8 *) skb->data);
828
829 BT_DBG("%s status 0x%x", hdev->name, status);
830
831 hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
832 }
833
834 static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
835 struct sk_buff *skb)
836 {
837 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
838
839 BT_DBG("%s status 0x%x", hdev->name, rp->status);
840
841 if (rp->status)
842 return;
843
844 hdev->amp_status = rp->amp_status;
845 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
846 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
847 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
848 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
849 hdev->amp_type = rp->amp_type;
850 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
851 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
852 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
853 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
854
855 hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
856 }
857
858 static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
859 struct sk_buff *skb)
860 {
861 __u8 status = *((__u8 *) skb->data);
862
863 BT_DBG("%s status 0x%x", hdev->name, status);
864
865 hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
866 }
867
868 static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
869 {
870 __u8 status = *((__u8 *) skb->data);
871
872 BT_DBG("%s status 0x%x", hdev->name, status);
873
874 hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
875 }
876
877 static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
878 struct sk_buff *skb)
879 {
880 __u8 status = *((__u8 *) skb->data);
881
882 BT_DBG("%s status 0x%x", hdev->name, status);
883
884 hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
885 }
886
887 static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
888 struct sk_buff *skb)
889 {
890 __u8 status = *((__u8 *) skb->data);
891
892 BT_DBG("%s status 0x%x", hdev->name, status);
893
894 hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, status);
895 }
896
897 static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
898 {
899 __u8 status = *((__u8 *) skb->data);
900
901 BT_DBG("%s status 0x%x", hdev->name, status);
902
903 hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
904 }
905
906 static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
907 {
908 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
909 struct hci_cp_pin_code_reply *cp;
910 struct hci_conn *conn;
911
912 BT_DBG("%s status 0x%x", hdev->name, rp->status);
913
914 hci_dev_lock(hdev);
915
916 if (test_bit(HCI_MGMT, &hdev->dev_flags))
917 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
918
919 if (rp->status != 0)
920 goto unlock;
921
922 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
923 if (!cp)
924 goto unlock;
925
926 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
927 if (conn)
928 conn->pin_length = cp->pin_len;
929
930 unlock:
931 hci_dev_unlock(hdev);
932 }
933
934 static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
935 {
936 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
937
938 BT_DBG("%s status 0x%x", hdev->name, rp->status);
939
940 hci_dev_lock(hdev);
941
942 if (test_bit(HCI_MGMT, &hdev->dev_flags))
943 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
944 rp->status);
945
946 hci_dev_unlock(hdev);
947 }
948
949 static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
950 struct sk_buff *skb)
951 {
952 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
953
954 BT_DBG("%s status 0x%x", hdev->name, rp->status);
955
956 if (rp->status)
957 return;
958
959 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
960 hdev->le_pkts = rp->le_max_pkt;
961
962 hdev->le_cnt = hdev->le_pkts;
963
964 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
965
966 hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
967 }
968
969 static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
970 {
971 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
972
973 BT_DBG("%s status 0x%x", hdev->name, rp->status);
974
975 hci_dev_lock(hdev);
976
977 if (test_bit(HCI_MGMT, &hdev->dev_flags))
978 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
979 rp->status);
980
981 hci_dev_unlock(hdev);
982 }
983
984 static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
985 struct sk_buff *skb)
986 {
987 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
988
989 BT_DBG("%s status 0x%x", hdev->name, rp->status);
990
991 hci_dev_lock(hdev);
992
993 if (test_bit(HCI_MGMT, &hdev->dev_flags))
994 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
995 ACL_LINK, 0, rp->status);
996
997 hci_dev_unlock(hdev);
998 }
999
1000 static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
1001 {
1002 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1003
1004 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1005
1006 hci_dev_lock(hdev);
1007
1008 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1009 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
1010 0, rp->status);
1011
1012 hci_dev_unlock(hdev);
1013 }
1014
1015 static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
1016 struct sk_buff *skb)
1017 {
1018 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1019
1020 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1021
1022 hci_dev_lock(hdev);
1023
1024 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1025 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
1026 ACL_LINK, 0, rp->status);
1027
1028 hci_dev_unlock(hdev);
1029 }
1030
1031 static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
1032 struct sk_buff *skb)
1033 {
1034 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1035
1036 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1037
1038 hci_dev_lock(hdev);
1039 mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
1040 rp->randomizer, rp->status);
1041 hci_dev_unlock(hdev);
1042 }
1043
1044 static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1045 {
1046 __u8 status = *((__u8 *) skb->data);
1047
1048 BT_DBG("%s status 0x%x", hdev->name, status);
1049
1050 hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status);
1051
1052 if (status) {
1053 hci_dev_lock(hdev);
1054 mgmt_start_discovery_failed(hdev, status);
1055 hci_dev_unlock(hdev);
1056 return;
1057 }
1058 }
1059
1060 static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
1061 struct sk_buff *skb)
1062 {
1063 struct hci_cp_le_set_scan_enable *cp;
1064 __u8 status = *((__u8 *) skb->data);
1065
1066 BT_DBG("%s status 0x%x", hdev->name, status);
1067
1068 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1069 if (!cp)
1070 return;
1071
1072 switch (cp->enable) {
1073 case LE_SCANNING_ENABLED:
1074 hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status);
1075
1076 if (status) {
1077 hci_dev_lock(hdev);
1078 mgmt_start_discovery_failed(hdev, status);
1079 hci_dev_unlock(hdev);
1080 return;
1081 }
1082
1083 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
1084
1085 cancel_delayed_work_sync(&hdev->adv_work);
1086
1087 hci_dev_lock(hdev);
1088 hci_adv_entries_clear(hdev);
1089 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
1090 hci_dev_unlock(hdev);
1091 break;
1092
1093 case LE_SCANNING_DISABLED:
1094 if (status)
1095 return;
1096
1097 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
1098
1099 schedule_delayed_work(&hdev->adv_work, ADV_CLEAR_TIMEOUT);
1100
1101 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED) {
1102 mgmt_interleaved_discovery(hdev);
1103 } else {
1104 hci_dev_lock(hdev);
1105 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1106 hci_dev_unlock(hdev);
1107 }
1108
1109 break;
1110
1111 default:
1112 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1113 break;
1114 }
1115 }
1116
1117 static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
1118 {
1119 struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
1120
1121 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1122
1123 if (rp->status)
1124 return;
1125
1126 hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
1127 }
1128
1129 static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
1130 {
1131 struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
1132
1133 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1134
1135 if (rp->status)
1136 return;
1137
1138 hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
1139 }
1140
1141 static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1142 struct sk_buff *skb)
1143 {
1144 struct hci_cp_write_le_host_supported *sent;
1145 __u8 status = *((__u8 *) skb->data);
1146
1147 BT_DBG("%s status 0x%x", hdev->name, status);
1148
1149 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
1150 if (!sent)
1151 return;
1152
1153 if (!status) {
1154 if (sent->le)
1155 hdev->host_features[0] |= LMP_HOST_LE;
1156 else
1157 hdev->host_features[0] &= ~LMP_HOST_LE;
1158 }
1159
1160 if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
1161 !test_bit(HCI_INIT, &hdev->flags))
1162 mgmt_le_enable_complete(hdev, sent->le, status);
1163
1164 hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
1165 }
1166
1167 static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1168 {
1169 BT_DBG("%s status 0x%x", hdev->name, status);
1170
1171 if (status) {
1172 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1173 hci_conn_check_pending(hdev);
1174 hci_dev_lock(hdev);
1175 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1176 mgmt_start_discovery_failed(hdev, status);
1177 hci_dev_unlock(hdev);
1178 return;
1179 }
1180
1181 set_bit(HCI_INQUIRY, &hdev->flags);
1182
1183 hci_dev_lock(hdev);
1184 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
1185 hci_dev_unlock(hdev);
1186 }
1187
1188 static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1189 {
1190 struct hci_cp_create_conn *cp;
1191 struct hci_conn *conn;
1192
1193 BT_DBG("%s status 0x%x", hdev->name, status);
1194
1195 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1196 if (!cp)
1197 return;
1198
1199 hci_dev_lock(hdev);
1200
1201 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1202
1203 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
1204
1205 if (status) {
1206 if (conn && conn->state == BT_CONNECT) {
1207 if (status != 0x0c || conn->attempt > 2) {
1208 conn->state = BT_CLOSED;
1209 hci_proto_connect_cfm(conn, status);
1210 hci_conn_del(conn);
1211 } else
1212 conn->state = BT_CONNECT2;
1213 }
1214 } else {
1215 if (!conn) {
1216 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1217 if (conn) {
1218 conn->out = true;
1219 conn->link_mode |= HCI_LM_MASTER;
1220 } else
1221 BT_ERR("No memory for new connection");
1222 }
1223 }
1224
1225 hci_dev_unlock(hdev);
1226 }
1227
1228 static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1229 {
1230 struct hci_cp_add_sco *cp;
1231 struct hci_conn *acl, *sco;
1232 __u16 handle;
1233
1234 BT_DBG("%s status 0x%x", hdev->name, status);
1235
1236 if (!status)
1237 return;
1238
1239 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1240 if (!cp)
1241 return;
1242
1243 handle = __le16_to_cpu(cp->handle);
1244
1245 BT_DBG("%s handle %d", hdev->name, handle);
1246
1247 hci_dev_lock(hdev);
1248
1249 acl = hci_conn_hash_lookup_handle(hdev, handle);
1250 if (acl) {
1251 sco = acl->link;
1252 if (sco) {
1253 sco->state = BT_CLOSED;
1254
1255 hci_proto_connect_cfm(sco, status);
1256 hci_conn_del(sco);
1257 }
1258 }
1259
1260 hci_dev_unlock(hdev);
1261 }
1262
1263 static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1264 {
1265 struct hci_cp_auth_requested *cp;
1266 struct hci_conn *conn;
1267
1268 BT_DBG("%s status 0x%x", hdev->name, status);
1269
1270 if (!status)
1271 return;
1272
1273 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1274 if (!cp)
1275 return;
1276
1277 hci_dev_lock(hdev);
1278
1279 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1280 if (conn) {
1281 if (conn->state == BT_CONFIG) {
1282 hci_proto_connect_cfm(conn, status);
1283 hci_conn_put(conn);
1284 }
1285 }
1286
1287 hci_dev_unlock(hdev);
1288 }
1289
1290 static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1291 {
1292 struct hci_cp_set_conn_encrypt *cp;
1293 struct hci_conn *conn;
1294
1295 BT_DBG("%s status 0x%x", hdev->name, status);
1296
1297 if (!status)
1298 return;
1299
1300 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1301 if (!cp)
1302 return;
1303
1304 hci_dev_lock(hdev);
1305
1306 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1307 if (conn) {
1308 if (conn->state == BT_CONFIG) {
1309 hci_proto_connect_cfm(conn, status);
1310 hci_conn_put(conn);
1311 }
1312 }
1313
1314 hci_dev_unlock(hdev);
1315 }
1316
1317 static int hci_outgoing_auth_needed(struct hci_dev *hdev,
1318 struct hci_conn *conn)
1319 {
1320 if (conn->state != BT_CONFIG || !conn->out)
1321 return 0;
1322
1323 if (conn->pending_sec_level == BT_SECURITY_SDP)
1324 return 0;
1325
1326 /* Only request authentication for SSP connections or non-SSP
1327 * devices with sec_level HIGH or if MITM protection is requested */
1328 if (!hci_conn_ssp_enabled(conn) &&
1329 conn->pending_sec_level != BT_SECURITY_HIGH &&
1330 !(conn->auth_type & 0x01))
1331 return 0;
1332
1333 return 1;
1334 }
1335
1336 static inline int hci_resolve_name(struct hci_dev *hdev,
1337 struct inquiry_entry *e)
1338 {
1339 struct hci_cp_remote_name_req cp;
1340
1341 memset(&cp, 0, sizeof(cp));
1342
1343 bacpy(&cp.bdaddr, &e->data.bdaddr);
1344 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1345 cp.pscan_mode = e->data.pscan_mode;
1346 cp.clock_offset = e->data.clock_offset;
1347
1348 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1349 }
1350
1351 static bool hci_resolve_next_name(struct hci_dev *hdev)
1352 {
1353 struct discovery_state *discov = &hdev->discovery;
1354 struct inquiry_entry *e;
1355
1356 if (list_empty(&discov->resolve))
1357 return false;
1358
1359 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1360 if (hci_resolve_name(hdev, e) == 0) {
1361 e->name_state = NAME_PENDING;
1362 return true;
1363 }
1364
1365 return false;
1366 }
1367
1368 static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
1369 bdaddr_t *bdaddr, u8 *name, u8 name_len)
1370 {
1371 struct discovery_state *discov = &hdev->discovery;
1372 struct inquiry_entry *e;
1373
1374 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
1375 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1376 name_len, conn->dev_class);
1377
1378 if (discov->state == DISCOVERY_STOPPED)
1379 return;
1380
1381 if (discov->state == DISCOVERY_STOPPING)
1382 goto discov_complete;
1383
1384 if (discov->state != DISCOVERY_RESOLVING)
1385 return;
1386
1387 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1388 if (e) {
1389 e->name_state = NAME_KNOWN;
1390 list_del(&e->list);
1391 if (name)
1392 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1393 e->data.rssi, name, name_len);
1394 }
1395
1396 if (hci_resolve_next_name(hdev))
1397 return;
1398
1399 discov_complete:
1400 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1401 }
1402
1403 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1404 {
1405 struct hci_cp_remote_name_req *cp;
1406 struct hci_conn *conn;
1407
1408 BT_DBG("%s status 0x%x", hdev->name, status);
1409
1410 /* If successful wait for the name req complete event before
1411 * checking for the need to do authentication */
1412 if (!status)
1413 return;
1414
1415 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1416 if (!cp)
1417 return;
1418
1419 hci_dev_lock(hdev);
1420
1421 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1422
1423 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1424 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
1425
1426 if (!conn)
1427 goto unlock;
1428
1429 if (!hci_outgoing_auth_needed(hdev, conn))
1430 goto unlock;
1431
1432 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
1433 struct hci_cp_auth_requested cp;
1434 cp.handle = __cpu_to_le16(conn->handle);
1435 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1436 }
1437
1438 unlock:
1439 hci_dev_unlock(hdev);
1440 }
1441
1442 static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1443 {
1444 struct hci_cp_read_remote_features *cp;
1445 struct hci_conn *conn;
1446
1447 BT_DBG("%s status 0x%x", hdev->name, status);
1448
1449 if (!status)
1450 return;
1451
1452 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1453 if (!cp)
1454 return;
1455
1456 hci_dev_lock(hdev);
1457
1458 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1459 if (conn) {
1460 if (conn->state == BT_CONFIG) {
1461 hci_proto_connect_cfm(conn, status);
1462 hci_conn_put(conn);
1463 }
1464 }
1465
1466 hci_dev_unlock(hdev);
1467 }
1468
1469 static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1470 {
1471 struct hci_cp_read_remote_ext_features *cp;
1472 struct hci_conn *conn;
1473
1474 BT_DBG("%s status 0x%x", hdev->name, status);
1475
1476 if (!status)
1477 return;
1478
1479 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1480 if (!cp)
1481 return;
1482
1483 hci_dev_lock(hdev);
1484
1485 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1486 if (conn) {
1487 if (conn->state == BT_CONFIG) {
1488 hci_proto_connect_cfm(conn, status);
1489 hci_conn_put(conn);
1490 }
1491 }
1492
1493 hci_dev_unlock(hdev);
1494 }
1495
1496 static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1497 {
1498 struct hci_cp_setup_sync_conn *cp;
1499 struct hci_conn *acl, *sco;
1500 __u16 handle;
1501
1502 BT_DBG("%s status 0x%x", hdev->name, status);
1503
1504 if (!status)
1505 return;
1506
1507 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1508 if (!cp)
1509 return;
1510
1511 handle = __le16_to_cpu(cp->handle);
1512
1513 BT_DBG("%s handle %d", hdev->name, handle);
1514
1515 hci_dev_lock(hdev);
1516
1517 acl = hci_conn_hash_lookup_handle(hdev, handle);
1518 if (acl) {
1519 sco = acl->link;
1520 if (sco) {
1521 sco->state = BT_CLOSED;
1522
1523 hci_proto_connect_cfm(sco, status);
1524 hci_conn_del(sco);
1525 }
1526 }
1527
1528 hci_dev_unlock(hdev);
1529 }
1530
1531 static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1532 {
1533 struct hci_cp_sniff_mode *cp;
1534 struct hci_conn *conn;
1535
1536 BT_DBG("%s status 0x%x", hdev->name, status);
1537
1538 if (!status)
1539 return;
1540
1541 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1542 if (!cp)
1543 return;
1544
1545 hci_dev_lock(hdev);
1546
1547 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1548 if (conn) {
1549 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1550
1551 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1552 hci_sco_setup(conn, status);
1553 }
1554
1555 hci_dev_unlock(hdev);
1556 }
1557
1558 static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1559 {
1560 struct hci_cp_exit_sniff_mode *cp;
1561 struct hci_conn *conn;
1562
1563 BT_DBG("%s status 0x%x", hdev->name, status);
1564
1565 if (!status)
1566 return;
1567
1568 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1569 if (!cp)
1570 return;
1571
1572 hci_dev_lock(hdev);
1573
1574 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1575 if (conn) {
1576 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1577
1578 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
1579 hci_sco_setup(conn, status);
1580 }
1581
1582 hci_dev_unlock(hdev);
1583 }
1584
1585 static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1586 {
1587 struct hci_cp_disconnect *cp;
1588 struct hci_conn *conn;
1589
1590 if (!status)
1591 return;
1592
1593 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1594 if (!cp)
1595 return;
1596
1597 hci_dev_lock(hdev);
1598
1599 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1600 if (conn)
1601 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
1602 conn->dst_type, status);
1603
1604 hci_dev_unlock(hdev);
1605 }
1606
1607 static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
1608 {
1609 struct hci_cp_le_create_conn *cp;
1610 struct hci_conn *conn;
1611
1612 BT_DBG("%s status 0x%x", hdev->name, status);
1613
1614 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1615 if (!cp)
1616 return;
1617
1618 hci_dev_lock(hdev);
1619
1620 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1621
1622 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr),
1623 conn);
1624
1625 if (status) {
1626 if (conn && conn->state == BT_CONNECT) {
1627 conn->state = BT_CLOSED;
1628 hci_proto_connect_cfm(conn, status);
1629 hci_conn_del(conn);
1630 }
1631 } else {
1632 if (!conn) {
1633 conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
1634 if (conn) {
1635 conn->dst_type = cp->peer_addr_type;
1636 conn->out = true;
1637 } else {
1638 BT_ERR("No memory for new connection");
1639 }
1640 }
1641 }
1642
1643 hci_dev_unlock(hdev);
1644 }
1645
1646 static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1647 {
1648 BT_DBG("%s status 0x%x", hdev->name, status);
1649 }
1650
1651 static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1652 {
1653 __u8 status = *((__u8 *) skb->data);
1654 struct discovery_state *discov = &hdev->discovery;
1655 struct inquiry_entry *e;
1656
1657 BT_DBG("%s status %d", hdev->name, status);
1658
1659 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
1660
1661 hci_conn_check_pending(hdev);
1662
1663 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1664 return;
1665
1666 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1667 return;
1668
1669 hci_dev_lock(hdev);
1670
1671 if (discov->state != DISCOVERY_FINDING)
1672 goto unlock;
1673
1674 if (list_empty(&discov->resolve)) {
1675 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1676 goto unlock;
1677 }
1678
1679 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1680 if (e && hci_resolve_name(hdev, e) == 0) {
1681 e->name_state = NAME_PENDING;
1682 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1683 } else {
1684 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1685 }
1686
1687 unlock:
1688 hci_dev_unlock(hdev);
1689 }
1690
1691 static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1692 {
1693 struct inquiry_data data;
1694 struct inquiry_info *info = (void *) (skb->data + 1);
1695 int num_rsp = *((__u8 *) skb->data);
1696
1697 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1698
1699 if (!num_rsp)
1700 return;
1701
1702 hci_dev_lock(hdev);
1703
1704 for (; num_rsp; num_rsp--, info++) {
1705 bool name_known, ssp;
1706
1707 bacpy(&data.bdaddr, &info->bdaddr);
1708 data.pscan_rep_mode = info->pscan_rep_mode;
1709 data.pscan_period_mode = info->pscan_period_mode;
1710 data.pscan_mode = info->pscan_mode;
1711 memcpy(data.dev_class, info->dev_class, 3);
1712 data.clock_offset = info->clock_offset;
1713 data.rssi = 0x00;
1714 data.ssp_mode = 0x00;
1715
1716 name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
1717 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
1718 info->dev_class, 0, !name_known, ssp, NULL,
1719 0);
1720 }
1721
1722 hci_dev_unlock(hdev);
1723 }
1724
1725 static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1726 {
1727 struct hci_ev_conn_complete *ev = (void *) skb->data;
1728 struct hci_conn *conn;
1729
1730 BT_DBG("%s", hdev->name);
1731
1732 hci_dev_lock(hdev);
1733
1734 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1735 if (!conn) {
1736 if (ev->link_type != SCO_LINK)
1737 goto unlock;
1738
1739 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1740 if (!conn)
1741 goto unlock;
1742
1743 conn->type = SCO_LINK;
1744 }
1745
1746 if (!ev->status) {
1747 conn->handle = __le16_to_cpu(ev->handle);
1748
1749 if (conn->type == ACL_LINK) {
1750 conn->state = BT_CONFIG;
1751 hci_conn_hold(conn);
1752 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1753 } else
1754 conn->state = BT_CONNECTED;
1755
1756 hci_conn_hold_device(conn);
1757 hci_conn_add_sysfs(conn);
1758
1759 if (test_bit(HCI_AUTH, &hdev->flags))
1760 conn->link_mode |= HCI_LM_AUTH;
1761
1762 if (test_bit(HCI_ENCRYPT, &hdev->flags))
1763 conn->link_mode |= HCI_LM_ENCRYPT;
1764
1765 /* Get remote features */
1766 if (conn->type == ACL_LINK) {
1767 struct hci_cp_read_remote_features cp;
1768 cp.handle = ev->handle;
1769 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
1770 sizeof(cp), &cp);
1771 }
1772
1773 /* Set packet type for incoming connection */
1774 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1775 struct hci_cp_change_conn_ptype cp;
1776 cp.handle = ev->handle;
1777 cp.pkt_type = cpu_to_le16(conn->pkt_type);
1778 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
1779 &cp);
1780 }
1781 } else {
1782 conn->state = BT_CLOSED;
1783 if (conn->type == ACL_LINK)
1784 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
1785 conn->dst_type, ev->status);
1786 }
1787
1788 if (conn->type == ACL_LINK)
1789 hci_sco_setup(conn, ev->status);
1790
1791 if (ev->status) {
1792 hci_proto_connect_cfm(conn, ev->status);
1793 hci_conn_del(conn);
1794 } else if (ev->link_type != ACL_LINK)
1795 hci_proto_connect_cfm(conn, ev->status);
1796
1797 unlock:
1798 hci_dev_unlock(hdev);
1799
1800 hci_conn_check_pending(hdev);
1801 }
1802
1803 static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1804 {
1805 struct hci_ev_conn_request *ev = (void *) skb->data;
1806 int mask = hdev->link_mode;
1807
1808 BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
1809 batostr(&ev->bdaddr), ev->link_type);
1810
1811 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
1812
1813 if ((mask & HCI_LM_ACCEPT) &&
1814 !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
1815 /* Connection accepted */
1816 struct inquiry_entry *ie;
1817 struct hci_conn *conn;
1818
1819 hci_dev_lock(hdev);
1820
1821 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
1822 if (ie)
1823 memcpy(ie->data.dev_class, ev->dev_class, 3);
1824
1825 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1826 if (!conn) {
1827 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
1828 if (!conn) {
1829 BT_ERR("No memory for new connection");
1830 hci_dev_unlock(hdev);
1831 return;
1832 }
1833 }
1834
1835 memcpy(conn->dev_class, ev->dev_class, 3);
1836 conn->state = BT_CONNECT;
1837
1838 hci_dev_unlock(hdev);
1839
1840 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
1841 struct hci_cp_accept_conn_req cp;
1842
1843 bacpy(&cp.bdaddr, &ev->bdaddr);
1844
1845 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
1846 cp.role = 0x00; /* Become master */
1847 else
1848 cp.role = 0x01; /* Remain slave */
1849
1850 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
1851 &cp);
1852 } else {
1853 struct hci_cp_accept_sync_conn_req cp;
1854
1855 bacpy(&cp.bdaddr, &ev->bdaddr);
1856 cp.pkt_type = cpu_to_le16(conn->pkt_type);
1857
1858 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
1859 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
1860 cp.max_latency = cpu_to_le16(0xffff);
1861 cp.content_format = cpu_to_le16(hdev->voice_setting);
1862 cp.retrans_effort = 0xff;
1863
1864 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
1865 sizeof(cp), &cp);
1866 }
1867 } else {
1868 /* Connection rejected */
1869 struct hci_cp_reject_conn_req cp;
1870
1871 bacpy(&cp.bdaddr, &ev->bdaddr);
1872 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
1873 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
1874 }
1875 }
1876
1877 static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1878 {
1879 struct hci_ev_disconn_complete *ev = (void *) skb->data;
1880 struct hci_conn *conn;
1881
1882 BT_DBG("%s status %d", hdev->name, ev->status);
1883
1884 hci_dev_lock(hdev);
1885
1886 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1887 if (!conn)
1888 goto unlock;
1889
1890 if (ev->status == 0)
1891 conn->state = BT_CLOSED;
1892
1893 if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
1894 (conn->type == ACL_LINK || conn->type == LE_LINK)) {
1895 if (ev->status != 0)
1896 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
1897 conn->dst_type, ev->status);
1898 else
1899 mgmt_device_disconnected(hdev, &conn->dst, conn->type,
1900 conn->dst_type);
1901 }
1902
1903 if (ev->status == 0) {
1904 if (conn->type == ACL_LINK && conn->flush_key)
1905 hci_remove_link_key(hdev, &conn->dst);
1906 hci_proto_disconn_cfm(conn, ev->reason);
1907 hci_conn_del(conn);
1908 }
1909
1910 unlock:
1911 hci_dev_unlock(hdev);
1912 }
1913
1914 static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1915 {
1916 struct hci_ev_auth_complete *ev = (void *) skb->data;
1917 struct hci_conn *conn;
1918
1919 BT_DBG("%s status %d", hdev->name, ev->status);
1920
1921 hci_dev_lock(hdev);
1922
1923 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1924 if (!conn)
1925 goto unlock;
1926
1927 if (!ev->status) {
1928 if (!hci_conn_ssp_enabled(conn) &&
1929 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
1930 BT_INFO("re-auth of legacy device is not possible.");
1931 } else {
1932 conn->link_mode |= HCI_LM_AUTH;
1933 conn->sec_level = conn->pending_sec_level;
1934 }
1935 } else {
1936 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
1937 ev->status);
1938 }
1939
1940 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1941 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1942
1943 if (conn->state == BT_CONFIG) {
1944 if (!ev->status && hci_conn_ssp_enabled(conn)) {
1945 struct hci_cp_set_conn_encrypt cp;
1946 cp.handle = ev->handle;
1947 cp.encrypt = 0x01;
1948 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1949 &cp);
1950 } else {
1951 conn->state = BT_CONNECTED;
1952 hci_proto_connect_cfm(conn, ev->status);
1953 hci_conn_put(conn);
1954 }
1955 } else {
1956 hci_auth_cfm(conn, ev->status);
1957
1958 hci_conn_hold(conn);
1959 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1960 hci_conn_put(conn);
1961 }
1962
1963 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
1964 if (!ev->status) {
1965 struct hci_cp_set_conn_encrypt cp;
1966 cp.handle = ev->handle;
1967 cp.encrypt = 0x01;
1968 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1969 &cp);
1970 } else {
1971 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
1972 hci_encrypt_cfm(conn, ev->status, 0x00);
1973 }
1974 }
1975
1976 unlock:
1977 hci_dev_unlock(hdev);
1978 }
1979
1980 static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1981 {
1982 struct hci_ev_remote_name *ev = (void *) skb->data;
1983 struct hci_conn *conn;
1984
1985 BT_DBG("%s", hdev->name);
1986
1987 hci_conn_check_pending(hdev);
1988
1989 hci_dev_lock(hdev);
1990
1991 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
1992
1993 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1994 goto check_auth;
1995
1996 if (ev->status == 0)
1997 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
1998 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
1999 else
2000 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2001
2002 check_auth:
2003 if (!conn)
2004 goto unlock;
2005
2006 if (!hci_outgoing_auth_needed(hdev, conn))
2007 goto unlock;
2008
2009 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
2010 struct hci_cp_auth_requested cp;
2011 cp.handle = __cpu_to_le16(conn->handle);
2012 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2013 }
2014
2015 unlock:
2016 hci_dev_unlock(hdev);
2017 }
2018
2019 static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2020 {
2021 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2022 struct hci_conn *conn;
2023
2024 BT_DBG("%s status %d", hdev->name, ev->status);
2025
2026 hci_dev_lock(hdev);
2027
2028 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2029 if (conn) {
2030 if (!ev->status) {
2031 if (ev->encrypt) {
2032 /* Encryption implies authentication */
2033 conn->link_mode |= HCI_LM_AUTH;
2034 conn->link_mode |= HCI_LM_ENCRYPT;
2035 conn->sec_level = conn->pending_sec_level;
2036 } else
2037 conn->link_mode &= ~HCI_LM_ENCRYPT;
2038 }
2039
2040 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
2041
2042 if (ev->status && conn->state == BT_CONNECTED) {
2043 hci_acl_disconn(conn, 0x13);
2044 hci_conn_put(conn);
2045 goto unlock;
2046 }
2047
2048 if (conn->state == BT_CONFIG) {
2049 if (!ev->status)
2050 conn->state = BT_CONNECTED;
2051
2052 hci_proto_connect_cfm(conn, ev->status);
2053 hci_conn_put(conn);
2054 } else
2055 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2056 }
2057
2058 unlock:
2059 hci_dev_unlock(hdev);
2060 }
2061
2062 static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2063 {
2064 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
2065 struct hci_conn *conn;
2066
2067 BT_DBG("%s status %d", hdev->name, ev->status);
2068
2069 hci_dev_lock(hdev);
2070
2071 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2072 if (conn) {
2073 if (!ev->status)
2074 conn->link_mode |= HCI_LM_SECURE;
2075
2076 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2077
2078 hci_key_change_cfm(conn, ev->status);
2079 }
2080
2081 hci_dev_unlock(hdev);
2082 }
2083
2084 static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
2085 {
2086 struct hci_ev_remote_features *ev = (void *) skb->data;
2087 struct hci_conn *conn;
2088
2089 BT_DBG("%s status %d", hdev->name, ev->status);
2090
2091 hci_dev_lock(hdev);
2092
2093 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2094 if (!conn)
2095 goto unlock;
2096
2097 if (!ev->status)
2098 memcpy(conn->features, ev->features, 8);
2099
2100 if (conn->state != BT_CONFIG)
2101 goto unlock;
2102
2103 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2104 struct hci_cp_read_remote_ext_features cp;
2105 cp.handle = ev->handle;
2106 cp.page = 0x01;
2107 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
2108 sizeof(cp), &cp);
2109 goto unlock;
2110 }
2111
2112 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2113 struct hci_cp_remote_name_req cp;
2114 memset(&cp, 0, sizeof(cp));
2115 bacpy(&cp.bdaddr, &conn->dst);
2116 cp.pscan_rep_mode = 0x02;
2117 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2118 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2119 mgmt_device_connected(hdev, &conn->dst, conn->type,
2120 conn->dst_type, 0, NULL, 0,
2121 conn->dev_class);
2122
2123 if (!hci_outgoing_auth_needed(hdev, conn)) {
2124 conn->state = BT_CONNECTED;
2125 hci_proto_connect_cfm(conn, ev->status);
2126 hci_conn_put(conn);
2127 }
2128
2129 unlock:
2130 hci_dev_unlock(hdev);
2131 }
2132
2133 static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
2134 {
2135 BT_DBG("%s", hdev->name);
2136 }
2137
2138 static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2139 {
2140 BT_DBG("%s", hdev->name);
2141 }
2142
2143 static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2144 {
2145 struct hci_ev_cmd_complete *ev = (void *) skb->data;
2146 __u16 opcode;
2147
2148 skb_pull(skb, sizeof(*ev));
2149
2150 opcode = __le16_to_cpu(ev->opcode);
2151
2152 switch (opcode) {
2153 case HCI_OP_INQUIRY_CANCEL:
2154 hci_cc_inquiry_cancel(hdev, skb);
2155 break;
2156
2157 case HCI_OP_EXIT_PERIODIC_INQ:
2158 hci_cc_exit_periodic_inq(hdev, skb);
2159 break;
2160
2161 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2162 hci_cc_remote_name_req_cancel(hdev, skb);
2163 break;
2164
2165 case HCI_OP_ROLE_DISCOVERY:
2166 hci_cc_role_discovery(hdev, skb);
2167 break;
2168
2169 case HCI_OP_READ_LINK_POLICY:
2170 hci_cc_read_link_policy(hdev, skb);
2171 break;
2172
2173 case HCI_OP_WRITE_LINK_POLICY:
2174 hci_cc_write_link_policy(hdev, skb);
2175 break;
2176
2177 case HCI_OP_READ_DEF_LINK_POLICY:
2178 hci_cc_read_def_link_policy(hdev, skb);
2179 break;
2180
2181 case HCI_OP_WRITE_DEF_LINK_POLICY:
2182 hci_cc_write_def_link_policy(hdev, skb);
2183 break;
2184
2185 case HCI_OP_RESET:
2186 hci_cc_reset(hdev, skb);
2187 break;
2188
2189 case HCI_OP_WRITE_LOCAL_NAME:
2190 hci_cc_write_local_name(hdev, skb);
2191 break;
2192
2193 case HCI_OP_READ_LOCAL_NAME:
2194 hci_cc_read_local_name(hdev, skb);
2195 break;
2196
2197 case HCI_OP_WRITE_AUTH_ENABLE:
2198 hci_cc_write_auth_enable(hdev, skb);
2199 break;
2200
2201 case HCI_OP_WRITE_ENCRYPT_MODE:
2202 hci_cc_write_encrypt_mode(hdev, skb);
2203 break;
2204
2205 case HCI_OP_WRITE_SCAN_ENABLE:
2206 hci_cc_write_scan_enable(hdev, skb);
2207 break;
2208
2209 case HCI_OP_READ_CLASS_OF_DEV:
2210 hci_cc_read_class_of_dev(hdev, skb);
2211 break;
2212
2213 case HCI_OP_WRITE_CLASS_OF_DEV:
2214 hci_cc_write_class_of_dev(hdev, skb);
2215 break;
2216
2217 case HCI_OP_READ_VOICE_SETTING:
2218 hci_cc_read_voice_setting(hdev, skb);
2219 break;
2220
2221 case HCI_OP_WRITE_VOICE_SETTING:
2222 hci_cc_write_voice_setting(hdev, skb);
2223 break;
2224
2225 case HCI_OP_HOST_BUFFER_SIZE:
2226 hci_cc_host_buffer_size(hdev, skb);
2227 break;
2228
2229 case HCI_OP_WRITE_SSP_MODE:
2230 hci_cc_write_ssp_mode(hdev, skb);
2231 break;
2232
2233 case HCI_OP_READ_LOCAL_VERSION:
2234 hci_cc_read_local_version(hdev, skb);
2235 break;
2236
2237 case HCI_OP_READ_LOCAL_COMMANDS:
2238 hci_cc_read_local_commands(hdev, skb);
2239 break;
2240
2241 case HCI_OP_READ_LOCAL_FEATURES:
2242 hci_cc_read_local_features(hdev, skb);
2243 break;
2244
2245 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2246 hci_cc_read_local_ext_features(hdev, skb);
2247 break;
2248
2249 case HCI_OP_READ_BUFFER_SIZE:
2250 hci_cc_read_buffer_size(hdev, skb);
2251 break;
2252
2253 case HCI_OP_READ_BD_ADDR:
2254 hci_cc_read_bd_addr(hdev, skb);
2255 break;
2256
2257 case HCI_OP_READ_DATA_BLOCK_SIZE:
2258 hci_cc_read_data_block_size(hdev, skb);
2259 break;
2260
2261 case HCI_OP_WRITE_CA_TIMEOUT:
2262 hci_cc_write_ca_timeout(hdev, skb);
2263 break;
2264
2265 case HCI_OP_READ_FLOW_CONTROL_MODE:
2266 hci_cc_read_flow_control_mode(hdev, skb);
2267 break;
2268
2269 case HCI_OP_READ_LOCAL_AMP_INFO:
2270 hci_cc_read_local_amp_info(hdev, skb);
2271 break;
2272
2273 case HCI_OP_DELETE_STORED_LINK_KEY:
2274 hci_cc_delete_stored_link_key(hdev, skb);
2275 break;
2276
2277 case HCI_OP_SET_EVENT_MASK:
2278 hci_cc_set_event_mask(hdev, skb);
2279 break;
2280
2281 case HCI_OP_WRITE_INQUIRY_MODE:
2282 hci_cc_write_inquiry_mode(hdev, skb);
2283 break;
2284
2285 case HCI_OP_READ_INQ_RSP_TX_POWER:
2286 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2287 break;
2288
2289 case HCI_OP_SET_EVENT_FLT:
2290 hci_cc_set_event_flt(hdev, skb);
2291 break;
2292
2293 case HCI_OP_PIN_CODE_REPLY:
2294 hci_cc_pin_code_reply(hdev, skb);
2295 break;
2296
2297 case HCI_OP_PIN_CODE_NEG_REPLY:
2298 hci_cc_pin_code_neg_reply(hdev, skb);
2299 break;
2300
2301 case HCI_OP_READ_LOCAL_OOB_DATA:
2302 hci_cc_read_local_oob_data_reply(hdev, skb);
2303 break;
2304
2305 case HCI_OP_LE_READ_BUFFER_SIZE:
2306 hci_cc_le_read_buffer_size(hdev, skb);
2307 break;
2308
2309 case HCI_OP_USER_CONFIRM_REPLY:
2310 hci_cc_user_confirm_reply(hdev, skb);
2311 break;
2312
2313 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2314 hci_cc_user_confirm_neg_reply(hdev, skb);
2315 break;
2316
2317 case HCI_OP_USER_PASSKEY_REPLY:
2318 hci_cc_user_passkey_reply(hdev, skb);
2319 break;
2320
2321 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2322 hci_cc_user_passkey_neg_reply(hdev, skb);
2323 break;
2324
2325 case HCI_OP_LE_SET_SCAN_PARAM:
2326 hci_cc_le_set_scan_param(hdev, skb);
2327 break;
2328
2329 case HCI_OP_LE_SET_SCAN_ENABLE:
2330 hci_cc_le_set_scan_enable(hdev, skb);
2331 break;
2332
2333 case HCI_OP_LE_LTK_REPLY:
2334 hci_cc_le_ltk_reply(hdev, skb);
2335 break;
2336
2337 case HCI_OP_LE_LTK_NEG_REPLY:
2338 hci_cc_le_ltk_neg_reply(hdev, skb);
2339 break;
2340
2341 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2342 hci_cc_write_le_host_supported(hdev, skb);
2343 break;
2344
2345 default:
2346 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
2347 break;
2348 }
2349
2350 if (ev->opcode != HCI_OP_NOP)
2351 del_timer(&hdev->cmd_timer);
2352
2353 if (ev->ncmd) {
2354 atomic_set(&hdev->cmd_cnt, 1);
2355 if (!skb_queue_empty(&hdev->cmd_q))
2356 queue_work(hdev->workqueue, &hdev->cmd_work);
2357 }
2358 }
2359
2360 static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2361 {
2362 struct hci_ev_cmd_status *ev = (void *) skb->data;
2363 __u16 opcode;
2364
2365 skb_pull(skb, sizeof(*ev));
2366
2367 opcode = __le16_to_cpu(ev->opcode);
2368
2369 switch (opcode) {
2370 case HCI_OP_INQUIRY:
2371 hci_cs_inquiry(hdev, ev->status);
2372 break;
2373
2374 case HCI_OP_CREATE_CONN:
2375 hci_cs_create_conn(hdev, ev->status);
2376 break;
2377
2378 case HCI_OP_ADD_SCO:
2379 hci_cs_add_sco(hdev, ev->status);
2380 break;
2381
2382 case HCI_OP_AUTH_REQUESTED:
2383 hci_cs_auth_requested(hdev, ev->status);
2384 break;
2385
2386 case HCI_OP_SET_CONN_ENCRYPT:
2387 hci_cs_set_conn_encrypt(hdev, ev->status);
2388 break;
2389
2390 case HCI_OP_REMOTE_NAME_REQ:
2391 hci_cs_remote_name_req(hdev, ev->status);
2392 break;
2393
2394 case HCI_OP_READ_REMOTE_FEATURES:
2395 hci_cs_read_remote_features(hdev, ev->status);
2396 break;
2397
2398 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2399 hci_cs_read_remote_ext_features(hdev, ev->status);
2400 break;
2401
2402 case HCI_OP_SETUP_SYNC_CONN:
2403 hci_cs_setup_sync_conn(hdev, ev->status);
2404 break;
2405
2406 case HCI_OP_SNIFF_MODE:
2407 hci_cs_sniff_mode(hdev, ev->status);
2408 break;
2409
2410 case HCI_OP_EXIT_SNIFF_MODE:
2411 hci_cs_exit_sniff_mode(hdev, ev->status);
2412 break;
2413
2414 case HCI_OP_DISCONNECT:
2415 hci_cs_disconnect(hdev, ev->status);
2416 break;
2417
2418 case HCI_OP_LE_CREATE_CONN:
2419 hci_cs_le_create_conn(hdev, ev->status);
2420 break;
2421
2422 case HCI_OP_LE_START_ENC:
2423 hci_cs_le_start_enc(hdev, ev->status);
2424 break;
2425
2426 default:
2427 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
2428 break;
2429 }
2430
2431 if (ev->opcode != HCI_OP_NOP)
2432 del_timer(&hdev->cmd_timer);
2433
2434 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
2435 atomic_set(&hdev->cmd_cnt, 1);
2436 if (!skb_queue_empty(&hdev->cmd_q))
2437 queue_work(hdev->workqueue, &hdev->cmd_work);
2438 }
2439 }
2440
2441 static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2442 {
2443 struct hci_ev_role_change *ev = (void *) skb->data;
2444 struct hci_conn *conn;
2445
2446 BT_DBG("%s status %d", hdev->name, ev->status);
2447
2448 hci_dev_lock(hdev);
2449
2450 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2451 if (conn) {
2452 if (!ev->status) {
2453 if (ev->role)
2454 conn->link_mode &= ~HCI_LM_MASTER;
2455 else
2456 conn->link_mode |= HCI_LM_MASTER;
2457 }
2458
2459 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2460
2461 hci_role_switch_cfm(conn, ev->status, ev->role);
2462 }
2463
2464 hci_dev_unlock(hdev);
2465 }
2466
2467 static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2468 {
2469 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
2470 int i;
2471
2472 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2473 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2474 return;
2475 }
2476
2477 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2478 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
2479 BT_DBG("%s bad parameters", hdev->name);
2480 return;
2481 }
2482
2483 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2484
2485 for (i = 0; i < ev->num_hndl; i++) {
2486 struct hci_comp_pkts_info *info = &ev->handles[i];
2487 struct hci_conn *conn;
2488 __u16 handle, count;
2489
2490 handle = __le16_to_cpu(info->handle);
2491 count = __le16_to_cpu(info->count);
2492
2493 conn = hci_conn_hash_lookup_handle(hdev, handle);
2494 if (!conn)
2495 continue;
2496
2497 conn->sent -= count;
2498
2499 switch (conn->type) {
2500 case ACL_LINK:
2501 hdev->acl_cnt += count;
2502 if (hdev->acl_cnt > hdev->acl_pkts)
2503 hdev->acl_cnt = hdev->acl_pkts;
2504 break;
2505
2506 case LE_LINK:
2507 if (hdev->le_pkts) {
2508 hdev->le_cnt += count;
2509 if (hdev->le_cnt > hdev->le_pkts)
2510 hdev->le_cnt = hdev->le_pkts;
2511 } else {
2512 hdev->acl_cnt += count;
2513 if (hdev->acl_cnt > hdev->acl_pkts)
2514 hdev->acl_cnt = hdev->acl_pkts;
2515 }
2516 break;
2517
2518 case SCO_LINK:
2519 hdev->sco_cnt += count;
2520 if (hdev->sco_cnt > hdev->sco_pkts)
2521 hdev->sco_cnt = hdev->sco_pkts;
2522 break;
2523
2524 default:
2525 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2526 break;
2527 }
2528 }
2529
2530 queue_work(hdev->workqueue, &hdev->tx_work);
2531 }
2532
2533 static inline void hci_num_comp_blocks_evt(struct hci_dev *hdev,
2534 struct sk_buff *skb)
2535 {
2536 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
2537 int i;
2538
2539 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
2540 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2541 return;
2542 }
2543
2544 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
2545 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
2546 BT_DBG("%s bad parameters", hdev->name);
2547 return;
2548 }
2549
2550 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
2551 ev->num_hndl);
2552
2553 for (i = 0; i < ev->num_hndl; i++) {
2554 struct hci_comp_blocks_info *info = &ev->handles[i];
2555 struct hci_conn *conn;
2556 __u16 handle, block_count;
2557
2558 handle = __le16_to_cpu(info->handle);
2559 block_count = __le16_to_cpu(info->blocks);
2560
2561 conn = hci_conn_hash_lookup_handle(hdev, handle);
2562 if (!conn)
2563 continue;
2564
2565 conn->sent -= block_count;
2566
2567 switch (conn->type) {
2568 case ACL_LINK:
2569 hdev->block_cnt += block_count;
2570 if (hdev->block_cnt > hdev->num_blocks)
2571 hdev->block_cnt = hdev->num_blocks;
2572 break;
2573
2574 default:
2575 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2576 break;
2577 }
2578 }
2579
2580 queue_work(hdev->workqueue, &hdev->tx_work);
2581 }
2582
2583 static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2584 {
2585 struct hci_ev_mode_change *ev = (void *) skb->data;
2586 struct hci_conn *conn;
2587
2588 BT_DBG("%s status %d", hdev->name, ev->status);
2589
2590 hci_dev_lock(hdev);
2591
2592 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2593 if (conn) {
2594 conn->mode = ev->mode;
2595 conn->interval = __le16_to_cpu(ev->interval);
2596
2597 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags)) {
2598 if (conn->mode == HCI_CM_ACTIVE)
2599 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2600 else
2601 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
2602 }
2603
2604 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
2605 hci_sco_setup(conn, ev->status);
2606 }
2607
2608 hci_dev_unlock(hdev);
2609 }
2610
2611 static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2612 {
2613 struct hci_ev_pin_code_req *ev = (void *) skb->data;
2614 struct hci_conn *conn;
2615
2616 BT_DBG("%s", hdev->name);
2617
2618 hci_dev_lock(hdev);
2619
2620 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2621 if (!conn)
2622 goto unlock;
2623
2624 if (conn->state == BT_CONNECTED) {
2625 hci_conn_hold(conn);
2626 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2627 hci_conn_put(conn);
2628 }
2629
2630 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
2631 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2632 sizeof(ev->bdaddr), &ev->bdaddr);
2633 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
2634 u8 secure;
2635
2636 if (conn->pending_sec_level == BT_SECURITY_HIGH)
2637 secure = 1;
2638 else
2639 secure = 0;
2640
2641 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
2642 }
2643
2644 unlock:
2645 hci_dev_unlock(hdev);
2646 }
2647
2648 static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2649 {
2650 struct hci_ev_link_key_req *ev = (void *) skb->data;
2651 struct hci_cp_link_key_reply cp;
2652 struct hci_conn *conn;
2653 struct link_key *key;
2654
2655 BT_DBG("%s", hdev->name);
2656
2657 if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
2658 return;
2659
2660 hci_dev_lock(hdev);
2661
2662 key = hci_find_link_key(hdev, &ev->bdaddr);
2663 if (!key) {
2664 BT_DBG("%s link key not found for %s", hdev->name,
2665 batostr(&ev->bdaddr));
2666 goto not_found;
2667 }
2668
2669 BT_DBG("%s found key type %u for %s", hdev->name, key->type,
2670 batostr(&ev->bdaddr));
2671
2672 if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
2673 key->type == HCI_LK_DEBUG_COMBINATION) {
2674 BT_DBG("%s ignoring debug key", hdev->name);
2675 goto not_found;
2676 }
2677
2678 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2679 if (conn) {
2680 if (key->type == HCI_LK_UNAUTH_COMBINATION &&
2681 conn->auth_type != 0xff &&
2682 (conn->auth_type & 0x01)) {
2683 BT_DBG("%s ignoring unauthenticated key", hdev->name);
2684 goto not_found;
2685 }
2686
2687 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
2688 conn->pending_sec_level == BT_SECURITY_HIGH) {
2689 BT_DBG("%s ignoring key unauthenticated for high \
2690 security", hdev->name);
2691 goto not_found;
2692 }
2693
2694 conn->key_type = key->type;
2695 conn->pin_length = key->pin_len;
2696 }
2697
2698 bacpy(&cp.bdaddr, &ev->bdaddr);
2699 memcpy(cp.link_key, key->val, 16);
2700
2701 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
2702
2703 hci_dev_unlock(hdev);
2704
2705 return;
2706
2707 not_found:
2708 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
2709 hci_dev_unlock(hdev);
2710 }
2711
2712 static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
2713 {
2714 struct hci_ev_link_key_notify *ev = (void *) skb->data;
2715 struct hci_conn *conn;
2716 u8 pin_len = 0;
2717
2718 BT_DBG("%s", hdev->name);
2719
2720 hci_dev_lock(hdev);
2721
2722 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2723 if (conn) {
2724 hci_conn_hold(conn);
2725 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
2726 pin_len = conn->pin_length;
2727
2728 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
2729 conn->key_type = ev->key_type;
2730
2731 hci_conn_put(conn);
2732 }
2733
2734 if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
2735 hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
2736 ev->key_type, pin_len);
2737
2738 hci_dev_unlock(hdev);
2739 }
2740
2741 static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
2742 {
2743 struct hci_ev_clock_offset *ev = (void *) skb->data;
2744 struct hci_conn *conn;
2745
2746 BT_DBG("%s status %d", hdev->name, ev->status);
2747
2748 hci_dev_lock(hdev);
2749
2750 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2751 if (conn && !ev->status) {
2752 struct inquiry_entry *ie;
2753
2754 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2755 if (ie) {
2756 ie->data.clock_offset = ev->clock_offset;
2757 ie->timestamp = jiffies;
2758 }
2759 }
2760
2761 hci_dev_unlock(hdev);
2762 }
2763
2764 static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2765 {
2766 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
2767 struct hci_conn *conn;
2768
2769 BT_DBG("%s status %d", hdev->name, ev->status);
2770
2771 hci_dev_lock(hdev);
2772
2773 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2774 if (conn && !ev->status)
2775 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
2776
2777 hci_dev_unlock(hdev);
2778 }
2779
2780 static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
2781 {
2782 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
2783 struct inquiry_entry *ie;
2784
2785 BT_DBG("%s", hdev->name);
2786
2787 hci_dev_lock(hdev);
2788
2789 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2790 if (ie) {
2791 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
2792 ie->timestamp = jiffies;
2793 }
2794
2795 hci_dev_unlock(hdev);
2796 }
2797
2798 static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
2799 {
2800 struct inquiry_data data;
2801 int num_rsp = *((__u8 *) skb->data);
2802 bool name_known, ssp;
2803
2804 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2805
2806 if (!num_rsp)
2807 return;
2808
2809 hci_dev_lock(hdev);
2810
2811 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
2812 struct inquiry_info_with_rssi_and_pscan_mode *info;
2813 info = (void *) (skb->data + 1);
2814
2815 for (; num_rsp; num_rsp--, info++) {
2816 bacpy(&data.bdaddr, &info->bdaddr);
2817 data.pscan_rep_mode = info->pscan_rep_mode;
2818 data.pscan_period_mode = info->pscan_period_mode;
2819 data.pscan_mode = info->pscan_mode;
2820 memcpy(data.dev_class, info->dev_class, 3);
2821 data.clock_offset = info->clock_offset;
2822 data.rssi = info->rssi;
2823 data.ssp_mode = 0x00;
2824
2825 name_known = hci_inquiry_cache_update(hdev, &data,
2826 false, &ssp);
2827 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2828 info->dev_class, info->rssi,
2829 !name_known, ssp, NULL, 0);
2830 }
2831 } else {
2832 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
2833
2834 for (; num_rsp; num_rsp--, info++) {
2835 bacpy(&data.bdaddr, &info->bdaddr);
2836 data.pscan_rep_mode = info->pscan_rep_mode;
2837 data.pscan_period_mode = info->pscan_period_mode;
2838 data.pscan_mode = 0x00;
2839 memcpy(data.dev_class, info->dev_class, 3);
2840 data.clock_offset = info->clock_offset;
2841 data.rssi = info->rssi;
2842 data.ssp_mode = 0x00;
2843 name_known = hci_inquiry_cache_update(hdev, &data,
2844 false, &ssp);
2845 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
2846 info->dev_class, info->rssi,
2847 !name_known, ssp, NULL, 0);
2848 }
2849 }
2850
2851 hci_dev_unlock(hdev);
2852 }
2853
2854 static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
2855 {
2856 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
2857 struct hci_conn *conn;
2858
2859 BT_DBG("%s", hdev->name);
2860
2861 hci_dev_lock(hdev);
2862
2863 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2864 if (!conn)
2865 goto unlock;
2866
2867 if (!ev->status && ev->page == 0x01) {
2868 struct inquiry_entry *ie;
2869
2870 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2871 if (ie)
2872 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
2873
2874 if (ev->features[0] & LMP_HOST_SSP)
2875 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
2876 }
2877
2878 if (conn->state != BT_CONFIG)
2879 goto unlock;
2880
2881 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
2882 struct hci_cp_remote_name_req cp;
2883 memset(&cp, 0, sizeof(cp));
2884 bacpy(&cp.bdaddr, &conn->dst);
2885 cp.pscan_rep_mode = 0x02;
2886 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2887 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2888 mgmt_device_connected(hdev, &conn->dst, conn->type,
2889 conn->dst_type, 0, NULL, 0,
2890 conn->dev_class);
2891
2892 if (!hci_outgoing_auth_needed(hdev, conn)) {
2893 conn->state = BT_CONNECTED;
2894 hci_proto_connect_cfm(conn, ev->status);
2895 hci_conn_put(conn);
2896 }
2897
2898 unlock:
2899 hci_dev_unlock(hdev);
2900 }
2901
2902 static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2903 {
2904 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
2905 struct hci_conn *conn;
2906
2907 BT_DBG("%s status %d", hdev->name, ev->status);
2908
2909 hci_dev_lock(hdev);
2910
2911 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
2912 if (!conn) {
2913 if (ev->link_type == ESCO_LINK)
2914 goto unlock;
2915
2916 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2917 if (!conn)
2918 goto unlock;
2919
2920 conn->type = SCO_LINK;
2921 }
2922
2923 switch (ev->status) {
2924 case 0x00:
2925 conn->handle = __le16_to_cpu(ev->handle);
2926 conn->state = BT_CONNECTED;
2927
2928 hci_conn_hold_device(conn);
2929 hci_conn_add_sysfs(conn);
2930 break;
2931
2932 case 0x11: /* Unsupported Feature or Parameter Value */
2933 case 0x1c: /* SCO interval rejected */
2934 case 0x1a: /* Unsupported Remote Feature */
2935 case 0x1f: /* Unspecified error */
2936 if (conn->out && conn->attempt < 2) {
2937 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
2938 (hdev->esco_type & EDR_ESCO_MASK);
2939 hci_setup_sync(conn, conn->link->handle);
2940 goto unlock;
2941 }
2942 /* fall through */
2943
2944 default:
2945 conn->state = BT_CLOSED;
2946 break;
2947 }
2948
2949 hci_proto_connect_cfm(conn, ev->status);
2950 if (ev->status)
2951 hci_conn_del(conn);
2952
2953 unlock:
2954 hci_dev_unlock(hdev);
2955 }
2956
2957 static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
2958 {
2959 BT_DBG("%s", hdev->name);
2960 }
2961
2962 static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
2963 {
2964 struct hci_ev_sniff_subrate *ev = (void *) skb->data;
2965
2966 BT_DBG("%s status %d", hdev->name, ev->status);
2967 }
2968
2969 static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
2970 {
2971 struct inquiry_data data;
2972 struct extended_inquiry_info *info = (void *) (skb->data + 1);
2973 int num_rsp = *((__u8 *) skb->data);
2974
2975 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2976
2977 if (!num_rsp)
2978 return;
2979
2980 hci_dev_lock(hdev);
2981
2982 for (; num_rsp; num_rsp--, info++) {
2983 bool name_known, ssp;
2984
2985 bacpy(&data.bdaddr, &info->bdaddr);
2986 data.pscan_rep_mode = info->pscan_rep_mode;
2987 data.pscan_period_mode = info->pscan_period_mode;
2988 data.pscan_mode = 0x00;
2989 memcpy(data.dev_class, info->dev_class, 3);
2990 data.clock_offset = info->clock_offset;
2991 data.rssi = info->rssi;
2992 data.ssp_mode = 0x01;
2993
2994 if (test_bit(HCI_MGMT, &hdev->dev_flags))
2995 name_known = eir_has_data_type(info->data,
2996 sizeof(info->data),
2997 EIR_NAME_COMPLETE);
2998 else
2999 name_known = true;
3000
3001 name_known = hci_inquiry_cache_update(hdev, &data, name_known,
3002 &ssp);
3003 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
3004 info->dev_class, info->rssi, !name_known,
3005 ssp, info->data, sizeof(info->data));
3006 }
3007
3008 hci_dev_unlock(hdev);
3009 }
3010
3011 static inline u8 hci_get_auth_req(struct hci_conn *conn)
3012 {
3013 /* If remote requests dedicated bonding follow that lead */
3014 if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
3015 /* If both remote and local IO capabilities allow MITM
3016 * protection then require it, otherwise don't */
3017 if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
3018 return 0x02;
3019 else
3020 return 0x03;
3021 }
3022
3023 /* If remote requests no-bonding follow that lead */
3024 if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
3025 return conn->remote_auth | (conn->auth_type & 0x01);
3026
3027 return conn->auth_type;
3028 }
3029
3030 static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
3031 {
3032 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3033 struct hci_conn *conn;
3034
3035 BT_DBG("%s", hdev->name);
3036
3037 hci_dev_lock(hdev);
3038
3039 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3040 if (!conn)
3041 goto unlock;
3042
3043 hci_conn_hold(conn);
3044
3045 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3046 goto unlock;
3047
3048 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
3049 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
3050 struct hci_cp_io_capability_reply cp;
3051
3052 bacpy(&cp.bdaddr, &ev->bdaddr);
3053 /* Change the IO capability from KeyboardDisplay
3054 * to DisplayYesNo as it is not supported by BT spec. */
3055 cp.capability = (conn->io_capability == 0x04) ?
3056 0x01 : conn->io_capability;
3057 conn->auth_type = hci_get_auth_req(conn);
3058 cp.authentication = conn->auth_type;
3059
3060 if ((conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)) &&
3061 hci_find_remote_oob_data(hdev, &conn->dst))
3062 cp.oob_data = 0x01;
3063 else
3064 cp.oob_data = 0x00;
3065
3066 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
3067 sizeof(cp), &cp);
3068 } else {
3069 struct hci_cp_io_capability_neg_reply cp;
3070
3071 bacpy(&cp.bdaddr, &ev->bdaddr);
3072 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
3073
3074 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
3075 sizeof(cp), &cp);
3076 }
3077
3078 unlock:
3079 hci_dev_unlock(hdev);
3080 }
3081
3082 static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
3083 {
3084 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3085 struct hci_conn *conn;
3086
3087 BT_DBG("%s", hdev->name);
3088
3089 hci_dev_lock(hdev);
3090
3091 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3092 if (!conn)
3093 goto unlock;
3094
3095 conn->remote_cap = ev->capability;
3096 conn->remote_auth = ev->authentication;
3097 if (ev->oob_data)
3098 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
3099
3100 unlock:
3101 hci_dev_unlock(hdev);
3102 }
3103
3104 static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
3105 struct sk_buff *skb)
3106 {
3107 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
3108 int loc_mitm, rem_mitm, confirm_hint = 0;
3109 struct hci_conn *conn;
3110
3111 BT_DBG("%s", hdev->name);
3112
3113 hci_dev_lock(hdev);
3114
3115 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3116 goto unlock;
3117
3118 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3119 if (!conn)
3120 goto unlock;
3121
3122 loc_mitm = (conn->auth_type & 0x01);
3123 rem_mitm = (conn->remote_auth & 0x01);
3124
3125 /* If we require MITM but the remote device can't provide that
3126 * (it has NoInputNoOutput) then reject the confirmation
3127 * request. The only exception is when we're dedicated bonding
3128 * initiators (connect_cfm_cb set) since then we always have the MITM
3129 * bit set. */
3130 if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
3131 BT_DBG("Rejecting request: remote device can't provide MITM");
3132 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
3133 sizeof(ev->bdaddr), &ev->bdaddr);
3134 goto unlock;
3135 }
3136
3137 /* If no side requires MITM protection; auto-accept */
3138 if ((!loc_mitm || conn->remote_cap == 0x03) &&
3139 (!rem_mitm || conn->io_capability == 0x03)) {
3140
3141 /* If we're not the initiators request authorization to
3142 * proceed from user space (mgmt_user_confirm with
3143 * confirm_hint set to 1). */
3144 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
3145 BT_DBG("Confirming auto-accept as acceptor");
3146 confirm_hint = 1;
3147 goto confirm;
3148 }
3149
3150 BT_DBG("Auto-accept of user confirmation with %ums delay",
3151 hdev->auto_accept_delay);
3152
3153 if (hdev->auto_accept_delay > 0) {
3154 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
3155 mod_timer(&conn->auto_accept_timer, jiffies + delay);
3156 goto unlock;
3157 }
3158
3159 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
3160 sizeof(ev->bdaddr), &ev->bdaddr);
3161 goto unlock;
3162 }
3163
3164 confirm:
3165 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
3166 confirm_hint);
3167
3168 unlock:
3169 hci_dev_unlock(hdev);
3170 }
3171
3172 static inline void hci_user_passkey_request_evt(struct hci_dev *hdev,
3173 struct sk_buff *skb)
3174 {
3175 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3176
3177 BT_DBG("%s", hdev->name);
3178
3179 hci_dev_lock(hdev);
3180
3181 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3182 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
3183
3184 hci_dev_unlock(hdev);
3185 }
3186
3187 static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
3188 {
3189 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3190 struct hci_conn *conn;
3191
3192 BT_DBG("%s", hdev->name);
3193
3194 hci_dev_lock(hdev);
3195
3196 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3197 if (!conn)
3198 goto unlock;
3199
3200 /* To avoid duplicate auth_failed events to user space we check
3201 * the HCI_CONN_AUTH_PEND flag which will be set if we
3202 * initiated the authentication. A traditional auth_complete
3203 * event gets always produced as initiator and is also mapped to
3204 * the mgmt_auth_failed event */
3205 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status != 0)
3206 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
3207 ev->status);
3208
3209 hci_conn_put(conn);
3210
3211 unlock:
3212 hci_dev_unlock(hdev);
3213 }
3214
3215 static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
3216 {
3217 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3218 struct inquiry_entry *ie;
3219
3220 BT_DBG("%s", hdev->name);
3221
3222 hci_dev_lock(hdev);
3223
3224 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3225 if (ie)
3226 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
3227
3228 hci_dev_unlock(hdev);
3229 }
3230
3231 static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3232 struct sk_buff *skb)
3233 {
3234 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3235 struct oob_data *data;
3236
3237 BT_DBG("%s", hdev->name);
3238
3239 hci_dev_lock(hdev);
3240
3241 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3242 goto unlock;
3243
3244 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3245 if (data) {
3246 struct hci_cp_remote_oob_data_reply cp;
3247
3248 bacpy(&cp.bdaddr, &ev->bdaddr);
3249 memcpy(cp.hash, data->hash, sizeof(cp.hash));
3250 memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
3251
3252 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
3253 &cp);
3254 } else {
3255 struct hci_cp_remote_oob_data_neg_reply cp;
3256
3257 bacpy(&cp.bdaddr, &ev->bdaddr);
3258 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
3259 &cp);
3260 }
3261
3262 unlock:
3263 hci_dev_unlock(hdev);
3264 }
3265
3266 static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
3267 {
3268 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
3269 struct hci_conn *conn;
3270
3271 BT_DBG("%s status %d", hdev->name, ev->status);
3272
3273 hci_dev_lock(hdev);
3274
3275 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr);
3276 if (!conn) {
3277 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
3278 if (!conn) {
3279 BT_ERR("No memory for new connection");
3280 hci_dev_unlock(hdev);
3281 return;
3282 }
3283
3284 conn->dst_type = ev->bdaddr_type;
3285 }
3286
3287 if (ev->status) {
3288 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
3289 conn->dst_type, ev->status);
3290 hci_proto_connect_cfm(conn, ev->status);
3291 conn->state = BT_CLOSED;
3292 hci_conn_del(conn);
3293 goto unlock;
3294 }
3295
3296 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3297 mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
3298 conn->dst_type, 0, NULL, 0, NULL);
3299
3300 conn->sec_level = BT_SECURITY_LOW;
3301 conn->handle = __le16_to_cpu(ev->handle);
3302 conn->state = BT_CONNECTED;
3303
3304 hci_conn_hold_device(conn);
3305 hci_conn_add_sysfs(conn);
3306
3307 hci_proto_connect_cfm(conn, ev->status);
3308
3309 unlock:
3310 hci_dev_unlock(hdev);
3311 }
3312
3313 static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
3314 struct sk_buff *skb)
3315 {
3316 u8 num_reports = skb->data[0];
3317 void *ptr = &skb->data[1];
3318 s8 rssi;
3319
3320 hci_dev_lock(hdev);
3321
3322 while (num_reports--) {
3323 struct hci_ev_le_advertising_info *ev = ptr;
3324
3325 hci_add_adv_entry(hdev, ev);
3326
3327 rssi = ev->data[ev->length];
3328 mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
3329 NULL, rssi, 0, 1, ev->data, ev->length);
3330
3331 ptr += sizeof(*ev) + ev->length + 1;
3332 }
3333
3334 hci_dev_unlock(hdev);
3335 }
3336
3337 static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
3338 struct sk_buff *skb)
3339 {
3340 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
3341 struct hci_cp_le_ltk_reply cp;
3342 struct hci_cp_le_ltk_neg_reply neg;
3343 struct hci_conn *conn;
3344 struct smp_ltk *ltk;
3345
3346 BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
3347
3348 hci_dev_lock(hdev);
3349
3350 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3351 if (conn == NULL)
3352 goto not_found;
3353
3354 ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
3355 if (ltk == NULL)
3356 goto not_found;
3357
3358 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
3359 cp.handle = cpu_to_le16(conn->handle);
3360
3361 if (ltk->authenticated)
3362 conn->sec_level = BT_SECURITY_HIGH;
3363
3364 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
3365
3366 if (ltk->type & HCI_SMP_STK) {
3367 list_del(&ltk->list);
3368 kfree(ltk);
3369 }
3370
3371 hci_dev_unlock(hdev);
3372
3373 return;
3374
3375 not_found:
3376 neg.handle = ev->handle;
3377 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
3378 hci_dev_unlock(hdev);
3379 }
3380
3381 static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
3382 {
3383 struct hci_ev_le_meta *le_ev = (void *) skb->data;
3384
3385 skb_pull(skb, sizeof(*le_ev));
3386
3387 switch (le_ev->subevent) {
3388 case HCI_EV_LE_CONN_COMPLETE:
3389 hci_le_conn_complete_evt(hdev, skb);
3390 break;
3391
3392 case HCI_EV_LE_ADVERTISING_REPORT:
3393 hci_le_adv_report_evt(hdev, skb);
3394 break;
3395
3396 case HCI_EV_LE_LTK_REQ:
3397 hci_le_ltk_request_evt(hdev, skb);
3398 break;
3399
3400 default:
3401 break;
3402 }
3403 }
3404
3405 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
3406 {
3407 struct hci_event_hdr *hdr = (void *) skb->data;
3408 __u8 event = hdr->evt;
3409
3410 skb_pull(skb, HCI_EVENT_HDR_SIZE);
3411
3412 switch (event) {
3413 case HCI_EV_INQUIRY_COMPLETE:
3414 hci_inquiry_complete_evt(hdev, skb);
3415 break;
3416
3417 case HCI_EV_INQUIRY_RESULT:
3418 hci_inquiry_result_evt(hdev, skb);
3419 break;
3420
3421 case HCI_EV_CONN_COMPLETE:
3422 hci_conn_complete_evt(hdev, skb);
3423 break;
3424
3425 case HCI_EV_CONN_REQUEST:
3426 hci_conn_request_evt(hdev, skb);
3427 break;
3428
3429 case HCI_EV_DISCONN_COMPLETE:
3430 hci_disconn_complete_evt(hdev, skb);
3431 break;
3432
3433 case HCI_EV_AUTH_COMPLETE:
3434 hci_auth_complete_evt(hdev, skb);
3435 break;
3436
3437 case HCI_EV_REMOTE_NAME:
3438 hci_remote_name_evt(hdev, skb);
3439 break;
3440
3441 case HCI_EV_ENCRYPT_CHANGE:
3442 hci_encrypt_change_evt(hdev, skb);
3443 break;
3444
3445 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
3446 hci_change_link_key_complete_evt(hdev, skb);
3447 break;
3448
3449 case HCI_EV_REMOTE_FEATURES:
3450 hci_remote_features_evt(hdev, skb);
3451 break;
3452
3453 case HCI_EV_REMOTE_VERSION:
3454 hci_remote_version_evt(hdev, skb);
3455 break;
3456
3457 case HCI_EV_QOS_SETUP_COMPLETE:
3458 hci_qos_setup_complete_evt(hdev, skb);
3459 break;
3460
3461 case HCI_EV_CMD_COMPLETE:
3462 hci_cmd_complete_evt(hdev, skb);
3463 break;
3464
3465 case HCI_EV_CMD_STATUS:
3466 hci_cmd_status_evt(hdev, skb);
3467 break;
3468
3469 case HCI_EV_ROLE_CHANGE:
3470 hci_role_change_evt(hdev, skb);
3471 break;
3472
3473 case HCI_EV_NUM_COMP_PKTS:
3474 hci_num_comp_pkts_evt(hdev, skb);
3475 break;
3476
3477 case HCI_EV_MODE_CHANGE:
3478 hci_mode_change_evt(hdev, skb);
3479 break;
3480
3481 case HCI_EV_PIN_CODE_REQ:
3482 hci_pin_code_request_evt(hdev, skb);
3483 break;
3484
3485 case HCI_EV_LINK_KEY_REQ:
3486 hci_link_key_request_evt(hdev, skb);
3487 break;
3488
3489 case HCI_EV_LINK_KEY_NOTIFY:
3490 hci_link_key_notify_evt(hdev, skb);
3491 break;
3492
3493 case HCI_EV_CLOCK_OFFSET:
3494 hci_clock_offset_evt(hdev, skb);
3495 break;
3496
3497 case HCI_EV_PKT_TYPE_CHANGE:
3498 hci_pkt_type_change_evt(hdev, skb);
3499 break;
3500
3501 case HCI_EV_PSCAN_REP_MODE:
3502 hci_pscan_rep_mode_evt(hdev, skb);
3503 break;
3504
3505 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
3506 hci_inquiry_result_with_rssi_evt(hdev, skb);
3507 break;
3508
3509 case HCI_EV_REMOTE_EXT_FEATURES:
3510 hci_remote_ext_features_evt(hdev, skb);
3511 break;
3512
3513 case HCI_EV_SYNC_CONN_COMPLETE:
3514 hci_sync_conn_complete_evt(hdev, skb);
3515 break;
3516
3517 case HCI_EV_SYNC_CONN_CHANGED:
3518 hci_sync_conn_changed_evt(hdev, skb);
3519 break;
3520
3521 case HCI_EV_SNIFF_SUBRATE:
3522 hci_sniff_subrate_evt(hdev, skb);
3523 break;
3524
3525 case HCI_EV_EXTENDED_INQUIRY_RESULT:
3526 hci_extended_inquiry_result_evt(hdev, skb);
3527 break;
3528
3529 case HCI_EV_IO_CAPA_REQUEST:
3530 hci_io_capa_request_evt(hdev, skb);
3531 break;
3532
3533 case HCI_EV_IO_CAPA_REPLY:
3534 hci_io_capa_reply_evt(hdev, skb);
3535 break;
3536
3537 case HCI_EV_USER_CONFIRM_REQUEST:
3538 hci_user_confirm_request_evt(hdev, skb);
3539 break;
3540
3541 case HCI_EV_USER_PASSKEY_REQUEST:
3542 hci_user_passkey_request_evt(hdev, skb);
3543 break;
3544
3545 case HCI_EV_SIMPLE_PAIR_COMPLETE:
3546 hci_simple_pair_complete_evt(hdev, skb);
3547 break;
3548
3549 case HCI_EV_REMOTE_HOST_FEATURES:
3550 hci_remote_host_features_evt(hdev, skb);
3551 break;
3552
3553 case HCI_EV_LE_META:
3554 hci_le_meta_evt(hdev, skb);
3555 break;
3556
3557 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
3558 hci_remote_oob_data_request_evt(hdev, skb);
3559 break;
3560
3561 case HCI_EV_NUM_COMP_BLOCKS:
3562 hci_num_comp_blocks_evt(hdev, skb);
3563 break;
3564
3565 default:
3566 BT_DBG("%s event 0x%x", hdev->name, event);
3567 break;
3568 }
3569
3570 kfree_skb(skb);
3571 hdev->stat.evt_rx++;
3572 }
kernel source for telekom puls (alcatel/mediatek)