Bluetooth: Add dev_flags to struct hci_dev
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT
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
8e87d142
YH
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
1da177e4
LT
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT
22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT
27#include <linux/module.h>
28
29#include <linux/types.h>
30#include <linux/errno.h>
31#include <linux/kernel.h>
1da177e4
LT
32#include <linux/slab.h>
33#include <linux/poll.h>
34#include <linux/fcntl.h>
35#include <linux/init.h>
36#include <linux/skbuff.h>
37#include <linux/interrupt.h>
38#include <linux/notifier.h>
39#include <net/sock.h>
40
41#include <asm/system.h>
70f23020 42#include <linux/uaccess.h>
1da177e4
LT
43#include <asm/unaligned.h>
44
45#include <net/bluetooth/bluetooth.h>
46#include <net/bluetooth/hci_core.h>
47
e6100a25
AG
48static int enable_le;
49
1da177e4
LT
50/* Handle HCI Event packets */
51
a9de9248 52static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 53{
a9de9248 54 __u8 status = *((__u8 *) skb->data);
1da177e4 55
a9de9248 56 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 57
e6d465cb
AG
58 if (status) {
59 hci_dev_lock(hdev);
60 mgmt_stop_discovery_failed(hdev, status);
61 hci_dev_unlock(hdev);
a9de9248 62 return;
e6d465cb 63 }
1da177e4 64
89352e7d
AG
65 clear_bit(HCI_INQUIRY, &hdev->flags);
66
56e5cb86 67 hci_dev_lock(hdev);
744cf19e 68 mgmt_discovering(hdev, 0);
56e5cb86 69 hci_dev_unlock(hdev);
6bd57416 70
23bb5763 71 hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
a9de9248
MH
72
73 hci_conn_check_pending(hdev);
74}
6bd57416 75
a9de9248
MH
76static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
77{
78 __u8 status = *((__u8 *) skb->data);
6bd57416 79
a9de9248 80 BT_DBG("%s status 0x%x", hdev->name, status);
6bd57416 81
a9de9248
MH
82 if (status)
83 return;
1da177e4 84
a9de9248
MH
85 hci_conn_check_pending(hdev);
86}
87
88static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb)
89{
90 BT_DBG("%s", hdev->name);
91}
92
93static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
94{
95 struct hci_rp_role_discovery *rp = (void *) skb->data;
96 struct hci_conn *conn;
97
98 BT_DBG("%s status 0x%x", hdev->name, rp->status);
99
100 if (rp->status)
101 return;
102
103 hci_dev_lock(hdev);
104
105 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
106 if (conn) {
107 if (rp->role)
108 conn->link_mode &= ~HCI_LM_MASTER;
109 else
110 conn->link_mode |= HCI_LM_MASTER;
1da177e4 111 }
a9de9248
MH
112
113 hci_dev_unlock(hdev);
1da177e4
LT
114}
115
e4e8e37c
MH
116static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
117{
118 struct hci_rp_read_link_policy *rp = (void *) skb->data;
119 struct hci_conn *conn;
120
121 BT_DBG("%s status 0x%x", hdev->name, rp->status);
122
123 if (rp->status)
124 return;
125
126 hci_dev_lock(hdev);
127
128 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
129 if (conn)
130 conn->link_policy = __le16_to_cpu(rp->policy);
131
132 hci_dev_unlock(hdev);
133}
134
a9de9248 135static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 136{
a9de9248 137 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 138 struct hci_conn *conn;
04837f64 139 void *sent;
1da177e4 140
a9de9248 141 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 142
a9de9248
MH
143 if (rp->status)
144 return;
1da177e4 145
a9de9248
MH
146 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
147 if (!sent)
148 return;
1da177e4 149
a9de9248 150 hci_dev_lock(hdev);
1da177e4 151
a9de9248 152 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 153 if (conn)
83985319 154 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 155
a9de9248
MH
156 hci_dev_unlock(hdev);
157}
1da177e4 158
e4e8e37c
MH
159static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
160{
161 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
162
163 BT_DBG("%s status 0x%x", hdev->name, rp->status);
164
165 if (rp->status)
166 return;
167
168 hdev->link_policy = __le16_to_cpu(rp->policy);
169}
170
171static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
172{
173 __u8 status = *((__u8 *) skb->data);
174 void *sent;
175
176 BT_DBG("%s status 0x%x", hdev->name, status);
177
178 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
179 if (!sent)
180 return;
181
182 if (!status)
183 hdev->link_policy = get_unaligned_le16(sent);
184
23bb5763 185 hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
e4e8e37c
MH
186}
187
a9de9248
MH
188static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
189{
190 __u8 status = *((__u8 *) skb->data);
04837f64 191
a9de9248 192 BT_DBG("%s status 0x%x", hdev->name, status);
04837f64 193
10572132
GP
194 clear_bit(HCI_RESET, &hdev->flags);
195
23bb5763 196 hci_req_complete(hdev, HCI_OP_RESET, status);
d23264a8
AG
197
198 hdev->dev_flags = 0;
a9de9248 199}
04837f64 200
a9de9248
MH
201static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
202{
203 __u8 status = *((__u8 *) skb->data);
204 void *sent;
04837f64 205
a9de9248 206 BT_DBG("%s status 0x%x", hdev->name, status);
04837f64 207
a9de9248
MH
208 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
209 if (!sent)
210 return;
04837f64 211
56e5cb86
JH
212 hci_dev_lock(hdev);
213
b312b161 214 if (test_bit(HCI_MGMT, &hdev->flags))
744cf19e 215 mgmt_set_local_name_complete(hdev, sent, status);
b312b161 216
56e5cb86
JH
217 if (status == 0)
218 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
b312b161 219
56e5cb86 220 hci_dev_unlock(hdev);
a9de9248
MH
221}
222
223static 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
1f6c6378 232 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH
233}
234
235static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
236{
237 __u8 status = *((__u8 *) skb->data);
238 void *sent;
239
240 BT_DBG("%s status 0x%x", hdev->name, status);
241
242 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
243 if (!sent)
244 return;
245
246 if (!status) {
247 __u8 param = *((__u8 *) sent);
248
249 if (param == AUTH_ENABLED)
250 set_bit(HCI_AUTH, &hdev->flags);
251 else
252 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 253 }
a9de9248 254
23bb5763 255 hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
1da177e4
LT
256}
257
a9de9248 258static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 259{
a9de9248 260 __u8 status = *((__u8 *) skb->data);
1da177e4
LT
261 void *sent;
262
a9de9248 263 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 264
a9de9248
MH
265 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
266 if (!sent)
267 return;
1da177e4 268
a9de9248
MH
269 if (!status) {
270 __u8 param = *((__u8 *) sent);
271
272 if (param)
273 set_bit(HCI_ENCRYPT, &hdev->flags);
274 else
275 clear_bit(HCI_ENCRYPT, &hdev->flags);
276 }
1da177e4 277
23bb5763 278 hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
a9de9248 279}
1da177e4 280
a9de9248
MH
281static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
282{
36f7fc7e
JH
283 __u8 param, status = *((__u8 *) skb->data);
284 int old_pscan, old_iscan;
a9de9248 285 void *sent;
1da177e4 286
a9de9248 287 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 288
a9de9248
MH
289 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
290 if (!sent)
291 return;
1da177e4 292
36f7fc7e
JH
293 param = *((__u8 *) sent);
294
56e5cb86
JH
295 hci_dev_lock(hdev);
296
2d7cee58 297 if (status != 0) {
744cf19e 298 mgmt_write_scan_failed(hdev, param, status);
2d7cee58
JH
299 hdev->discov_timeout = 0;
300 goto done;
301 }
302
36f7fc7e
JH
303 old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
304 old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
305
306 if (param & SCAN_INQUIRY) {
307 set_bit(HCI_ISCAN, &hdev->flags);
308 if (!old_iscan)
744cf19e 309 mgmt_discoverable(hdev, 1);
16ab91ab
JH
310 if (hdev->discov_timeout > 0) {
311 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
312 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
313 to);
314 }
36f7fc7e 315 } else if (old_iscan)
744cf19e 316 mgmt_discoverable(hdev, 0);
36f7fc7e
JH
317
318 if (param & SCAN_PAGE) {
319 set_bit(HCI_PSCAN, &hdev->flags);
320 if (!old_pscan)
744cf19e 321 mgmt_connectable(hdev, 1);
36f7fc7e 322 } else if (old_pscan)
744cf19e 323 mgmt_connectable(hdev, 0);
1da177e4 324
36f7fc7e 325done:
56e5cb86 326 hci_dev_unlock(hdev);
23bb5763 327 hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
a9de9248 328}
1da177e4 329
a9de9248
MH
330static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
331{
332 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 333
a9de9248 334 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 335
a9de9248
MH
336 if (rp->status)
337 return;
1da177e4 338
a9de9248 339 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 340
a9de9248
MH
341 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
342 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
343}
1da177e4 344
a9de9248
MH
345static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
346{
347 __u8 status = *((__u8 *) skb->data);
348 void *sent;
1da177e4 349
a9de9248 350 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 351
f383f275
MH
352 if (status)
353 return;
354
a9de9248
MH
355 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
356 if (!sent)
357 return;
1da177e4 358
f383f275 359 memcpy(hdev->dev_class, sent, 3);
a9de9248 360}
1da177e4 361
a9de9248
MH
362static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
363{
364 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
365 __u16 setting;
366
367 BT_DBG("%s status 0x%x", hdev->name, rp->status);
368
369 if (rp->status)
370 return;
371
372 setting = __le16_to_cpu(rp->voice_setting);
373
f383f275 374 if (hdev->voice_setting == setting)
a9de9248
MH
375 return;
376
377 hdev->voice_setting = setting;
378
379 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
380
381 if (hdev->notify) {
382 tasklet_disable(&hdev->tx_task);
383 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
384 tasklet_enable(&hdev->tx_task);
385 }
386}
387
388static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
389{
390 __u8 status = *((__u8 *) skb->data);
f383f275 391 __u16 setting;
a9de9248
MH
392 void *sent;
393
394 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 395
f383f275
MH
396 if (status)
397 return;
398
a9de9248
MH
399 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
400 if (!sent)
401 return;
1da177e4 402
f383f275 403 setting = get_unaligned_le16(sent);
1da177e4 404
f383f275
MH
405 if (hdev->voice_setting == setting)
406 return;
407
408 hdev->voice_setting = setting;
1da177e4 409
f383f275 410 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
1da177e4 411
f383f275
MH
412 if (hdev->notify) {
413 tasklet_disable(&hdev->tx_task);
414 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
415 tasklet_enable(&hdev->tx_task);
1da177e4
LT
416 }
417}
418
a9de9248 419static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 420{
a9de9248 421 __u8 status = *((__u8 *) skb->data);
1da177e4 422
a9de9248 423 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 424
23bb5763 425 hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
a9de9248 426}
1143e5a6 427
333140b5
MH
428static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
429{
430 struct hci_rp_read_ssp_mode *rp = (void *) skb->data;
431
432 BT_DBG("%s status 0x%x", hdev->name, rp->status);
433
434 if (rp->status)
435 return;
436
437 hdev->ssp_mode = rp->mode;
438}
439
440static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
441{
442 __u8 status = *((__u8 *) skb->data);
443 void *sent;
444
445 BT_DBG("%s status 0x%x", hdev->name, status);
446
447 if (status)
448 return;
449
450 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
451 if (!sent)
452 return;
453
454 hdev->ssp_mode = *((__u8 *) sent);
455}
456
d5859e22
JH
457static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
458{
459 if (hdev->features[6] & LMP_EXT_INQ)
460 return 2;
461
462 if (hdev->features[3] & LMP_RSSI_INQ)
463 return 1;
464
465 if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
466 hdev->lmp_subver == 0x0757)
467 return 1;
468
469 if (hdev->manufacturer == 15) {
470 if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
471 return 1;
472 if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
473 return 1;
474 if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
475 return 1;
476 }
477
478 if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
479 hdev->lmp_subver == 0x1805)
480 return 1;
481
482 return 0;
483}
484
485static void hci_setup_inquiry_mode(struct hci_dev *hdev)
486{
487 u8 mode;
488
489 mode = hci_get_inquiry_mode(hdev);
490
491 hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
492}
493
494static void hci_setup_event_mask(struct hci_dev *hdev)
495{
496 /* The second byte is 0xff instead of 0x9f (two reserved bits
497 * disabled) since a Broadcom 1.2 dongle doesn't respond to the
498 * command otherwise */
499 u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
500
6de6c18d
VT
501 /* CSR 1.1 dongles does not accept any bitfield so don't try to set
502 * any event mask for pre 1.2 devices */
503 if (hdev->lmp_ver <= 1)
504 return;
505
506 events[4] |= 0x01; /* Flow Specification Complete */
507 events[4] |= 0x02; /* Inquiry Result with RSSI */
508 events[4] |= 0x04; /* Read Remote Extended Features Complete */
509 events[5] |= 0x08; /* Synchronous Connection Complete */
510 events[5] |= 0x10; /* Synchronous Connection Changed */
d5859e22
JH
511
512 if (hdev->features[3] & LMP_RSSI_INQ)
513 events[4] |= 0x04; /* Inquiry Result with RSSI */
514
515 if (hdev->features[5] & LMP_SNIFF_SUBR)
516 events[5] |= 0x20; /* Sniff Subrating */
517
518 if (hdev->features[5] & LMP_PAUSE_ENC)
519 events[5] |= 0x80; /* Encryption Key Refresh Complete */
520
521 if (hdev->features[6] & LMP_EXT_INQ)
522 events[5] |= 0x40; /* Extended Inquiry Result */
523
524 if (hdev->features[6] & LMP_NO_FLUSH)
525 events[7] |= 0x01; /* Enhanced Flush Complete */
526
527 if (hdev->features[7] & LMP_LSTO)
528 events[6] |= 0x80; /* Link Supervision Timeout Changed */
529
530 if (hdev->features[6] & LMP_SIMPLE_PAIR) {
531 events[6] |= 0x01; /* IO Capability Request */
532 events[6] |= 0x02; /* IO Capability Response */
533 events[6] |= 0x04; /* User Confirmation Request */
534 events[6] |= 0x08; /* User Passkey Request */
535 events[6] |= 0x10; /* Remote OOB Data Request */
536 events[6] |= 0x20; /* Simple Pairing Complete */
537 events[7] |= 0x04; /* User Passkey Notification */
538 events[7] |= 0x08; /* Keypress Notification */
539 events[7] |= 0x10; /* Remote Host Supported
540 * Features Notification */
541 }
542
543 if (hdev->features[4] & LMP_LE)
544 events[7] |= 0x20; /* LE Meta-Event */
545
546 hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
547}
548
e6100a25
AG
549static void hci_set_le_support(struct hci_dev *hdev)
550{
551 struct hci_cp_write_le_host_supported cp;
552
553 memset(&cp, 0, sizeof(cp));
554
555 if (enable_le) {
556 cp.le = 1;
557 cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
558 }
559
560 hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp);
561}
562
d5859e22
JH
563static void hci_setup(struct hci_dev *hdev)
564{
565 hci_setup_event_mask(hdev);
566
567 if (hdev->lmp_ver > 1)
568 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
569
570 if (hdev->features[6] & LMP_SIMPLE_PAIR) {
571 u8 mode = 0x01;
572 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
573 }
574
575 if (hdev->features[3] & LMP_RSSI_INQ)
576 hci_setup_inquiry_mode(hdev);
577
578 if (hdev->features[7] & LMP_INQ_TX_PWR)
579 hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
971e3a4b
AG
580
581 if (hdev->features[7] & LMP_EXTFEATURES) {
582 struct hci_cp_read_local_ext_features cp;
583
584 cp.page = 0x01;
585 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
586 sizeof(cp), &cp);
587 }
e6100a25
AG
588
589 if (hdev->features[4] & LMP_LE)
590 hci_set_le_support(hdev);
d5859e22
JH
591}
592
a9de9248
MH
593static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
594{
595 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 596
a9de9248 597 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1143e5a6 598
a9de9248
MH
599 if (rp->status)
600 return;
1143e5a6 601
a9de9248 602 hdev->hci_ver = rp->hci_ver;
e4e8e37c 603 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
d5859e22 604 hdev->lmp_ver = rp->lmp_ver;
e4e8e37c 605 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
d5859e22 606 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
1143e5a6 607
a9de9248
MH
608 BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
609 hdev->manufacturer,
610 hdev->hci_ver, hdev->hci_rev);
d5859e22
JH
611
612 if (test_bit(HCI_INIT, &hdev->flags))
613 hci_setup(hdev);
614}
615
616static 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,
631 sizeof(link_policy), &link_policy);
a9de9248 632}
1da177e4 633
a9de9248
MH
634static 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;
1da177e4 637
a9de9248 638 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 639
a9de9248 640 if (rp->status)
d5859e22 641 goto done;
1da177e4 642
a9de9248 643 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
d5859e22
JH
644
645 if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
646 hci_setup_link_policy(hdev);
647
648done:
649 hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
a9de9248 650}
1da177e4 651
a9de9248
MH
652static 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;
5b7f9909 655
a9de9248 656 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 657
a9de9248
MH
658 if (rp->status)
659 return;
5b7f9909 660
a9de9248 661 memcpy(hdev->features, rp->features, 8);
5b7f9909 662
a9de9248
MH
663 /* Adjust default settings according to features
664 * supported by device. */
1da177e4 665
a9de9248
MH
666 if (hdev->features[0] & LMP_3SLOT)
667 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 668
a9de9248
MH
669 if (hdev->features[0] & LMP_5SLOT)
670 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 671
a9de9248
MH
672 if (hdev->features[1] & LMP_HV2) {
673 hdev->pkt_type |= (HCI_HV2);
674 hdev->esco_type |= (ESCO_HV2);
675 }
1da177e4 676
a9de9248
MH
677 if (hdev->features[1] & LMP_HV3) {
678 hdev->pkt_type |= (HCI_HV3);
679 hdev->esco_type |= (ESCO_HV3);
680 }
1da177e4 681
a9de9248
MH
682 if (hdev->features[3] & LMP_ESCO)
683 hdev->esco_type |= (ESCO_EV3);
da1f5198 684
a9de9248
MH
685 if (hdev->features[4] & LMP_EV4)
686 hdev->esco_type |= (ESCO_EV4);
da1f5198 687
a9de9248
MH
688 if (hdev->features[4] & LMP_EV5)
689 hdev->esco_type |= (ESCO_EV5);
1da177e4 690
efc7688b
MH
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
a9de9248
MH
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}
1da177e4 706
971e3a4b
AG
707static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
708 struct sk_buff *skb)
709{
710 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
711
712 BT_DBG("%s status 0x%x", hdev->name, rp->status);
713
714 if (rp->status)
715 return;
716
717 memcpy(hdev->extfeatures, rp->features, 8);
718
719 hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
720}
721
1e89cffb
AE
722static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
723 struct sk_buff *skb)
724{
725 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
726
727 BT_DBG("%s status 0x%x", hdev->name, rp->status);
728
729 if (rp->status)
730 return;
731
732 hdev->flow_ctl_mode = rp->mode;
733
734 hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
735}
736
a9de9248
MH
737static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
738{
739 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 740
a9de9248 741 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 742
a9de9248
MH
743 if (rp->status)
744 return;
1da177e4 745
a9de9248
MH
746 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
747 hdev->sco_mtu = rp->sco_mtu;
748 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
749 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
750
751 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
752 hdev->sco_mtu = 64;
753 hdev->sco_pkts = 8;
1da177e4 754 }
a9de9248
MH
755
756 hdev->acl_cnt = hdev->acl_pkts;
757 hdev->sco_cnt = hdev->sco_pkts;
758
759 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name,
760 hdev->acl_mtu, hdev->acl_pkts,
761 hdev->sco_mtu, hdev->sco_pkts);
762}
763
764static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
765{
766 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
767
768 BT_DBG("%s status 0x%x", hdev->name, rp->status);
769
770 if (!rp->status)
771 bacpy(&hdev->bdaddr, &rp->bdaddr);
772
23bb5763
JH
773 hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
774}
775
776static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
777{
778 __u8 status = *((__u8 *) skb->data);
779
780 BT_DBG("%s status 0x%x", hdev->name, status);
781
782 hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
a9de9248
MH
783}
784
928abaa7
AE
785static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
786 struct sk_buff *skb)
787{
788 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
789
790 BT_DBG("%s status 0x%x", hdev->name, rp->status);
791
792 if (rp->status)
793 return;
794
795 hdev->amp_status = rp->amp_status;
796 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
797 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
798 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
799 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
800 hdev->amp_type = rp->amp_type;
801 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
802 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
803 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
804 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
805
806 hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
807}
808
b0916ea0
JH
809static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
810 struct sk_buff *skb)
811{
812 __u8 status = *((__u8 *) skb->data);
813
814 BT_DBG("%s status 0x%x", hdev->name, status);
815
816 hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
817}
818
d5859e22
JH
819static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
820{
821 __u8 status = *((__u8 *) skb->data);
822
823 BT_DBG("%s status 0x%x", hdev->name, status);
824
825 hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
826}
827
828static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
829 struct sk_buff *skb)
830{
831 __u8 status = *((__u8 *) skb->data);
832
833 BT_DBG("%s status 0x%x", hdev->name, status);
834
835 hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
836}
837
838static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
839 struct sk_buff *skb)
840{
841 __u8 status = *((__u8 *) skb->data);
842
843 BT_DBG("%s status 0x%x", hdev->name, status);
844
845 hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, status);
846}
847
848static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
849{
850 __u8 status = *((__u8 *) skb->data);
851
852 BT_DBG("%s status 0x%x", hdev->name, status);
853
854 hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
855}
856
980e1a53
JH
857static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
858{
859 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
860 struct hci_cp_pin_code_reply *cp;
861 struct hci_conn *conn;
862
863 BT_DBG("%s status 0x%x", hdev->name, rp->status);
864
56e5cb86
JH
865 hci_dev_lock(hdev);
866
980e1a53 867 if (test_bit(HCI_MGMT, &hdev->flags))
744cf19e 868 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53
JH
869
870 if (rp->status != 0)
56e5cb86 871 goto unlock;
980e1a53
JH
872
873 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
874 if (!cp)
56e5cb86 875 goto unlock;
980e1a53
JH
876
877 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
878 if (conn)
879 conn->pin_length = cp->pin_len;
56e5cb86
JH
880
881unlock:
882 hci_dev_unlock(hdev);
980e1a53
JH
883}
884
885static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
886{
887 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
888
889 BT_DBG("%s status 0x%x", hdev->name, rp->status);
890
56e5cb86
JH
891 hci_dev_lock(hdev);
892
980e1a53 893 if (test_bit(HCI_MGMT, &hdev->flags))
744cf19e 894 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
980e1a53 895 rp->status);
56e5cb86
JH
896
897 hci_dev_unlock(hdev);
980e1a53 898}
56e5cb86 899
6ed58ec5
VT
900static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
901 struct sk_buff *skb)
902{
903 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
904
905 BT_DBG("%s status 0x%x", hdev->name, rp->status);
906
907 if (rp->status)
908 return;
909
910 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
911 hdev->le_pkts = rp->le_max_pkt;
912
913 hdev->le_cnt = hdev->le_pkts;
914
915 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
916
917 hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
918}
980e1a53 919
a5c29683
JH
920static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
921{
922 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
923
924 BT_DBG("%s status 0x%x", hdev->name, rp->status);
925
56e5cb86
JH
926 hci_dev_lock(hdev);
927
a5c29683 928 if (test_bit(HCI_MGMT, &hdev->flags))
744cf19e 929 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr,
a5c29683 930 rp->status);
56e5cb86
JH
931
932 hci_dev_unlock(hdev);
a5c29683
JH
933}
934
935static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
936 struct sk_buff *skb)
937{
938 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
939
940 BT_DBG("%s status 0x%x", hdev->name, rp->status);
941
56e5cb86
JH
942 hci_dev_lock(hdev);
943
a5c29683 944 if (test_bit(HCI_MGMT, &hdev->flags))
744cf19e 945 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
a5c29683 946 rp->status);
56e5cb86
JH
947
948 hci_dev_unlock(hdev);
a5c29683
JH
949}
950
1143d458
BG
951static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
952{
953 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
954
955 BT_DBG("%s status 0x%x", hdev->name, rp->status);
956
957 hci_dev_lock(hdev);
958
959 if (test_bit(HCI_MGMT, &hdev->flags))
960 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr,
961 rp->status);
962
963 hci_dev_unlock(hdev);
964}
965
966static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
967 struct sk_buff *skb)
968{
969 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
970
971 BT_DBG("%s status 0x%x", hdev->name, rp->status);
972
973 hci_dev_lock(hdev);
974
975 if (test_bit(HCI_MGMT, &hdev->flags))
976 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
977 rp->status);
978
979 hci_dev_unlock(hdev);
980}
981
c35938b2
SJ
982static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
983 struct sk_buff *skb)
984{
985 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
986
987 BT_DBG("%s status 0x%x", hdev->name, rp->status);
988
56e5cb86 989 hci_dev_lock(hdev);
744cf19e 990 mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
c35938b2 991 rp->randomizer, rp->status);
56e5cb86 992 hci_dev_unlock(hdev);
c35938b2
SJ
993}
994
eb9d91f5
AG
995static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
996 struct sk_buff *skb)
997{
998 struct hci_cp_le_set_scan_enable *cp;
999 __u8 status = *((__u8 *) skb->data);
1000
1001 BT_DBG("%s status 0x%x", hdev->name, status);
1002
1003 if (status)
1004 return;
1005
1006 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1007 if (!cp)
1008 return;
1009
35815085 1010 if (cp->enable == 0x01) {
d23264a8
AG
1011 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
1012
35815085 1013 del_timer(&hdev->adv_timer);
a8f13c8c
AG
1014
1015 hci_dev_lock(hdev);
eb9d91f5 1016 hci_adv_entries_clear(hdev);
a8f13c8c 1017 hci_dev_unlock(hdev);
35815085 1018 } else if (cp->enable == 0x00) {
d23264a8
AG
1019 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
1020
35815085
AG
1021 mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);
1022 }
eb9d91f5
AG
1023}
1024
a7a595f6
VCG
1025static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
1026{
1027 struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
1028
1029 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1030
1031 if (rp->status)
1032 return;
1033
1034 hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
1035}
1036
1037static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
1038{
1039 struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
1040
1041 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1042
1043 if (rp->status)
1044 return;
1045
1046 hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
1047}
1048
f9b49306
AG
1049static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1050 struct sk_buff *skb)
1051{
1052 struct hci_cp_read_local_ext_features cp;
1053 __u8 status = *((__u8 *) skb->data);
1054
1055 BT_DBG("%s status 0x%x", hdev->name, status);
1056
1057 if (status)
1058 return;
1059
1060 cp.page = 0x01;
1061 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp);
1062}
1063
a9de9248
MH
1064static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
1065{
1066 BT_DBG("%s status 0x%x", hdev->name, status);
1067
1068 if (status) {
23bb5763 1069 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
a9de9248 1070 hci_conn_check_pending(hdev);
56e5cb86 1071 hci_dev_lock(hdev);
164a6e78 1072 if (test_bit(HCI_MGMT, &hdev->flags))
7a135109 1073 mgmt_start_discovery_failed(hdev, status);
56e5cb86 1074 hci_dev_unlock(hdev);
314b2381
JH
1075 return;
1076 }
1077
89352e7d
AG
1078 set_bit(HCI_INQUIRY, &hdev->flags);
1079
56e5cb86 1080 hci_dev_lock(hdev);
744cf19e 1081 mgmt_discovering(hdev, 1);
56e5cb86 1082 hci_dev_unlock(hdev);
1da177e4
LT
1083}
1084
1da177e4
LT
1085static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1086{
a9de9248 1087 struct hci_cp_create_conn *cp;
1da177e4 1088 struct hci_conn *conn;
1da177e4 1089
a9de9248
MH
1090 BT_DBG("%s status 0x%x", hdev->name, status);
1091
1092 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT
1093 if (!cp)
1094 return;
1095
1096 hci_dev_lock(hdev);
1097
1098 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1099
a9de9248 1100 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
1da177e4
LT
1101
1102 if (status) {
1103 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH
1104 if (status != 0x0c || conn->attempt > 2) {
1105 conn->state = BT_CLOSED;
1106 hci_proto_connect_cfm(conn, status);
1107 hci_conn_del(conn);
1108 } else
1109 conn->state = BT_CONNECT2;
1da177e4
LT
1110 }
1111 } else {
1112 if (!conn) {
1113 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1114 if (conn) {
1115 conn->out = 1;
1116 conn->link_mode |= HCI_LM_MASTER;
1117 } else
893ef971 1118 BT_ERR("No memory for new connection");
1da177e4
LT
1119 }
1120 }
1121
1122 hci_dev_unlock(hdev);
1123}
1124
a9de9248 1125static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1126{
a9de9248
MH
1127 struct hci_cp_add_sco *cp;
1128 struct hci_conn *acl, *sco;
1129 __u16 handle;
1da177e4 1130
b6a0dc82
MH
1131 BT_DBG("%s status 0x%x", hdev->name, status);
1132
a9de9248
MH
1133 if (!status)
1134 return;
1da177e4 1135
a9de9248
MH
1136 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1137 if (!cp)
1138 return;
1da177e4 1139
a9de9248 1140 handle = __le16_to_cpu(cp->handle);
1da177e4 1141
a9de9248 1142 BT_DBG("%s handle %d", hdev->name, handle);
1da177e4 1143
a9de9248 1144 hci_dev_lock(hdev);
1da177e4 1145
a9de9248 1146 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE
1147 if (acl) {
1148 sco = acl->link;
1149 if (sco) {
1150 sco->state = BT_CLOSED;
1da177e4 1151
5a08ecce
AE
1152 hci_proto_connect_cfm(sco, status);
1153 hci_conn_del(sco);
1154 }
a9de9248 1155 }
1da177e4 1156
a9de9248
MH
1157 hci_dev_unlock(hdev);
1158}
1da177e4 1159
f8558555
MH
1160static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1161{
1162 struct hci_cp_auth_requested *cp;
1163 struct hci_conn *conn;
1164
1165 BT_DBG("%s status 0x%x", hdev->name, status);
1166
1167 if (!status)
1168 return;
1169
1170 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1171 if (!cp)
1172 return;
1173
1174 hci_dev_lock(hdev);
1175
1176 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1177 if (conn) {
1178 if (conn->state == BT_CONFIG) {
1179 hci_proto_connect_cfm(conn, status);
1180 hci_conn_put(conn);
1181 }
1182 }
1183
1184 hci_dev_unlock(hdev);
1185}
1186
1187static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1188{
1189 struct hci_cp_set_conn_encrypt *cp;
1190 struct hci_conn *conn;
1191
1192 BT_DBG("%s status 0x%x", hdev->name, status);
1193
1194 if (!status)
1195 return;
1196
1197 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1198 if (!cp)
1199 return;
1200
1201 hci_dev_lock(hdev);
1202
1203 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1204 if (conn) {
1205 if (conn->state == BT_CONFIG) {
1206 hci_proto_connect_cfm(conn, status);
1207 hci_conn_put(conn);
1208 }
1209 }
1210
1211 hci_dev_unlock(hdev);
1212}
1213
127178d2 1214static int hci_outgoing_auth_needed(struct hci_dev *hdev,
138d22ef 1215 struct hci_conn *conn)
392599b9 1216{
392599b9
JH
1217 if (conn->state != BT_CONFIG || !conn->out)
1218 return 0;
1219
765c2a96 1220 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH
1221 return 0;
1222
1223 /* Only request authentication for SSP connections or non-SSP
e9bf2bf0 1224 * devices with sec_level HIGH or if MITM protection is requested */
392599b9 1225 if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) &&
e9bf2bf0
VCG
1226 conn->pending_sec_level != BT_SECURITY_HIGH &&
1227 !(conn->auth_type & 0x01))
392599b9
JH
1228 return 0;
1229
392599b9
JH
1230 return 1;
1231}
1232
a9de9248
MH
1233static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1234{
127178d2
JH
1235 struct hci_cp_remote_name_req *cp;
1236 struct hci_conn *conn;
1237
a9de9248 1238 BT_DBG("%s status 0x%x", hdev->name, status);
127178d2
JH
1239
1240 /* If successful wait for the name req complete event before
1241 * checking for the need to do authentication */
1242 if (!status)
1243 return;
1244
1245 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1246 if (!cp)
1247 return;
1248
1249 hci_dev_lock(hdev);
1250
1251 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
79c6c70c
JH
1252 if (!conn)
1253 goto unlock;
1254
1255 if (!hci_outgoing_auth_needed(hdev, conn))
1256 goto unlock;
1257
1258 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
127178d2
JH
1259 struct hci_cp_auth_requested cp;
1260 cp.handle = __cpu_to_le16(conn->handle);
1261 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1262 }
1263
79c6c70c 1264unlock:
127178d2 1265 hci_dev_unlock(hdev);
a9de9248 1266}
1da177e4 1267
769be974
MH
1268static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1269{
1270 struct hci_cp_read_remote_features *cp;
1271 struct hci_conn *conn;
1272
1273 BT_DBG("%s status 0x%x", hdev->name, status);
1274
1275 if (!status)
1276 return;
1277
1278 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1279 if (!cp)
1280 return;
1281
1282 hci_dev_lock(hdev);
1283
1284 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1285 if (conn) {
1286 if (conn->state == BT_CONFIG) {
769be974
MH
1287 hci_proto_connect_cfm(conn, status);
1288 hci_conn_put(conn);
1289 }
1290 }
1291
1292 hci_dev_unlock(hdev);
1293}
1294
1295static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1296{
1297 struct hci_cp_read_remote_ext_features *cp;
1298 struct hci_conn *conn;
1299
1300 BT_DBG("%s status 0x%x", hdev->name, status);
1301
1302 if (!status)
1303 return;
1304
1305 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1306 if (!cp)
1307 return;
1308
1309 hci_dev_lock(hdev);
1310
1311 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1312 if (conn) {
1313 if (conn->state == BT_CONFIG) {
769be974
MH
1314 hci_proto_connect_cfm(conn, status);
1315 hci_conn_put(conn);
1316 }
1317 }
1318
1319 hci_dev_unlock(hdev);
1320}
1321
a9de9248
MH
1322static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1323{
b6a0dc82
MH
1324 struct hci_cp_setup_sync_conn *cp;
1325 struct hci_conn *acl, *sco;
1326 __u16 handle;
1327
a9de9248 1328 BT_DBG("%s status 0x%x", hdev->name, status);
b6a0dc82
MH
1329
1330 if (!status)
1331 return;
1332
1333 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1334 if (!cp)
1335 return;
1336
1337 handle = __le16_to_cpu(cp->handle);
1338
1339 BT_DBG("%s handle %d", hdev->name, handle);
1340
1341 hci_dev_lock(hdev);
1342
1343 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE
1344 if (acl) {
1345 sco = acl->link;
1346 if (sco) {
1347 sco->state = BT_CLOSED;
b6a0dc82 1348
5a08ecce
AE
1349 hci_proto_connect_cfm(sco, status);
1350 hci_conn_del(sco);
1351 }
b6a0dc82
MH
1352 }
1353
1354 hci_dev_unlock(hdev);
1da177e4
LT
1355}
1356
a9de9248 1357static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1358{
a9de9248
MH
1359 struct hci_cp_sniff_mode *cp;
1360 struct hci_conn *conn;
1da177e4 1361
a9de9248 1362 BT_DBG("%s status 0x%x", hdev->name, status);
04837f64 1363
a9de9248
MH
1364 if (!status)
1365 return;
04837f64 1366
a9de9248
MH
1367 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1368 if (!cp)
1369 return;
04837f64 1370
a9de9248 1371 hci_dev_lock(hdev);
04837f64 1372
a9de9248 1373 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1374 if (conn) {
a9de9248 1375 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
04837f64 1376
e73439d8
MH
1377 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
1378 hci_sco_setup(conn, status);
1379 }
1380
a9de9248
MH
1381 hci_dev_unlock(hdev);
1382}
04837f64 1383
a9de9248
MH
1384static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1385{
1386 struct hci_cp_exit_sniff_mode *cp;
1387 struct hci_conn *conn;
04837f64 1388
a9de9248 1389 BT_DBG("%s status 0x%x", hdev->name, status);
04837f64 1390
a9de9248
MH
1391 if (!status)
1392 return;
04837f64 1393
a9de9248
MH
1394 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1395 if (!cp)
1396 return;
04837f64 1397
a9de9248 1398 hci_dev_lock(hdev);
1da177e4 1399
a9de9248 1400 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1401 if (conn) {
a9de9248 1402 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
1da177e4 1403
e73439d8
MH
1404 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
1405 hci_sco_setup(conn, status);
1406 }
1407
a9de9248 1408 hci_dev_unlock(hdev);
1da177e4
LT
1409}
1410
fcd89c09
VT
1411static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
1412{
1413 struct hci_cp_le_create_conn *cp;
1414 struct hci_conn *conn;
1415
1416 BT_DBG("%s status 0x%x", hdev->name, status);
1417
1418 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1419 if (!cp)
1420 return;
1421
1422 hci_dev_lock(hdev);
1423
1424 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1425
1426 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr),
1427 conn);
1428
1429 if (status) {
1430 if (conn && conn->state == BT_CONNECT) {
1431 conn->state = BT_CLOSED;
1432 hci_proto_connect_cfm(conn, status);
1433 hci_conn_del(conn);
1434 }
1435 } else {
1436 if (!conn) {
1437 conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
29b7988a
AG
1438 if (conn) {
1439 conn->dst_type = cp->peer_addr_type;
fcd89c09 1440 conn->out = 1;
29b7988a 1441 } else {
fcd89c09 1442 BT_ERR("No memory for new connection");
29b7988a 1443 }
fcd89c09
VT
1444 }
1445 }
1446
1447 hci_dev_unlock(hdev);
1448}
1449
a7a595f6
VCG
1450static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1451{
1452 BT_DBG("%s status 0x%x", hdev->name, status);
1453}
1454
1da177e4
LT
1455static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1456{
1457 __u8 status = *((__u8 *) skb->data);
1458
1459 BT_DBG("%s status %d", hdev->name, status);
1460
23bb5763 1461 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
6bd57416 1462
a9de9248 1463 hci_conn_check_pending(hdev);
89352e7d
AG
1464
1465 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1466 return;
1467
56e5cb86 1468 hci_dev_lock(hdev);
744cf19e 1469 mgmt_discovering(hdev, 0);
56e5cb86 1470 hci_dev_unlock(hdev);
1da177e4
LT
1471}
1472
1da177e4
LT
1473static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1474{
45bb4bf0 1475 struct inquiry_data data;
a9de9248 1476 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT
1477 int num_rsp = *((__u8 *) skb->data);
1478
1479 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1480
45bb4bf0
MH
1481 if (!num_rsp)
1482 return;
1483
1da177e4 1484 hci_dev_lock(hdev);
45bb4bf0 1485
e17acd40 1486 for (; num_rsp; num_rsp--, info++) {
1da177e4
LT
1487 bacpy(&data.bdaddr, &info->bdaddr);
1488 data.pscan_rep_mode = info->pscan_rep_mode;
1489 data.pscan_period_mode = info->pscan_period_mode;
1490 data.pscan_mode = info->pscan_mode;
1491 memcpy(data.dev_class, info->dev_class, 3);
1492 data.clock_offset = info->clock_offset;
1493 data.rssi = 0x00;
41a96212 1494 data.ssp_mode = 0x00;
1da177e4 1495 hci_inquiry_cache_update(hdev, &data);
48264f06 1496 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
4c659c39 1497 info->dev_class, 0, NULL);
1da177e4 1498 }
45bb4bf0 1499
1da177e4
LT
1500 hci_dev_unlock(hdev);
1501}
1502
1da177e4
LT
1503static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1504{
a9de9248
MH
1505 struct hci_ev_conn_complete *ev = (void *) skb->data;
1506 struct hci_conn *conn;
1da177e4
LT
1507
1508 BT_DBG("%s", hdev->name);
1509
1510 hci_dev_lock(hdev);
1511
1512 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH
1513 if (!conn) {
1514 if (ev->link_type != SCO_LINK)
1515 goto unlock;
1516
1517 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1518 if (!conn)
1519 goto unlock;
1520
1521 conn->type = SCO_LINK;
1522 }
1da177e4
LT
1523
1524 if (!ev->status) {
1525 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH
1526
1527 if (conn->type == ACL_LINK) {
1528 conn->state = BT_CONFIG;
1529 hci_conn_hold(conn);
052b30b0 1530 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
48264f06
JH
1531 mgmt_connected(hdev, &ev->bdaddr, conn->type,
1532 conn->dst_type);
769be974
MH
1533 } else
1534 conn->state = BT_CONNECTED;
1da177e4 1535
9eba32b8 1536 hci_conn_hold_device(conn);
7d0db0a3
MH
1537 hci_conn_add_sysfs(conn);
1538
1da177e4
LT
1539 if (test_bit(HCI_AUTH, &hdev->flags))
1540 conn->link_mode |= HCI_LM_AUTH;
1541
1542 if (test_bit(HCI_ENCRYPT, &hdev->flags))
1543 conn->link_mode |= HCI_LM_ENCRYPT;
1544
04837f64
MH
1545 /* Get remote features */
1546 if (conn->type == ACL_LINK) {
1547 struct hci_cp_read_remote_features cp;
1548 cp.handle = ev->handle;
769be974
MH
1549 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
1550 sizeof(cp), &cp);
04837f64
MH
1551 }
1552
1da177e4 1553 /* Set packet type for incoming connection */
a8746417 1554 if (!conn->out && hdev->hci_ver < 3) {
1da177e4
LT
1555 struct hci_cp_change_conn_ptype cp;
1556 cp.handle = ev->handle;
a8746417
MH
1557 cp.pkt_type = cpu_to_le16(conn->pkt_type);
1558 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
1559 sizeof(cp), &cp);
1da177e4 1560 }
17d5c04c 1561 } else {
1da177e4 1562 conn->state = BT_CLOSED;
17d5c04c 1563 if (conn->type == ACL_LINK)
744cf19e 1564 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
48264f06 1565 conn->dst_type, ev->status);
17d5c04c 1566 }
1da177e4 1567
e73439d8
MH
1568 if (conn->type == ACL_LINK)
1569 hci_sco_setup(conn, ev->status);
1da177e4 1570
769be974
MH
1571 if (ev->status) {
1572 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1573 hci_conn_del(conn);
c89b6e6b
MH
1574 } else if (ev->link_type != ACL_LINK)
1575 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1576
a9de9248 1577unlock:
1da177e4 1578 hci_dev_unlock(hdev);
1da177e4 1579
a9de9248 1580 hci_conn_check_pending(hdev);
1da177e4
LT
1581}
1582
a9de9248 1583static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1584{
a9de9248
MH
1585 struct hci_ev_conn_request *ev = (void *) skb->data;
1586 int mask = hdev->link_mode;
1da177e4 1587
a9de9248
MH
1588 BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
1589 batostr(&ev->bdaddr), ev->link_type);
1da177e4 1590
a9de9248 1591 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
1da177e4 1592
138d22ef
SJ
1593 if ((mask & HCI_LM_ACCEPT) &&
1594 !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
a9de9248 1595 /* Connection accepted */
c7bdd502 1596 struct inquiry_entry *ie;
1da177e4 1597 struct hci_conn *conn;
1da177e4 1598
a9de9248 1599 hci_dev_lock(hdev);
b6a0dc82 1600
cc11b9c1
AE
1601 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
1602 if (ie)
c7bdd502
MH
1603 memcpy(ie->data.dev_class, ev->dev_class, 3);
1604
a9de9248
MH
1605 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1606 if (!conn) {
cc11b9c1
AE
1607 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
1608 if (!conn) {
893ef971 1609 BT_ERR("No memory for new connection");
a9de9248
MH
1610 hci_dev_unlock(hdev);
1611 return;
1da177e4
LT
1612 }
1613 }
b6a0dc82 1614
a9de9248
MH
1615 memcpy(conn->dev_class, ev->dev_class, 3);
1616 conn->state = BT_CONNECT;
b6a0dc82 1617
a9de9248 1618 hci_dev_unlock(hdev);
1da177e4 1619
b6a0dc82
MH
1620 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
1621 struct hci_cp_accept_conn_req cp;
1da177e4 1622
b6a0dc82
MH
1623 bacpy(&cp.bdaddr, &ev->bdaddr);
1624
1625 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
1626 cp.role = 0x00; /* Become master */
1627 else
1628 cp.role = 0x01; /* Remain slave */
1629
1630 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
1631 sizeof(cp), &cp);
1632 } else {
1633 struct hci_cp_accept_sync_conn_req cp;
1634
1635 bacpy(&cp.bdaddr, &ev->bdaddr);
a8746417 1636 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82
MH
1637
1638 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
1639 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
1640 cp.max_latency = cpu_to_le16(0xffff);
1641 cp.content_format = cpu_to_le16(hdev->voice_setting);
1642 cp.retrans_effort = 0xff;
1da177e4 1643
b6a0dc82
MH
1644 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
1645 sizeof(cp), &cp);
1646 }
a9de9248
MH
1647 } else {
1648 /* Connection rejected */
1649 struct hci_cp_reject_conn_req cp;
1da177e4 1650
a9de9248 1651 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 1652 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
a9de9248 1653 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
1da177e4 1654 }
1da177e4
LT
1655}
1656
a9de9248 1657static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 1658{
a9de9248 1659 struct hci_ev_disconn_complete *ev = (void *) skb->data;
04837f64
MH
1660 struct hci_conn *conn;
1661
1662 BT_DBG("%s status %d", hdev->name, ev->status);
1663
1664 hci_dev_lock(hdev);
1665
1666 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH
1667 if (!conn)
1668 goto unlock;
7d0db0a3 1669
37d9ef76
JH
1670 if (ev->status == 0)
1671 conn->state = BT_CLOSED;
04837f64 1672
37d9ef76
JH
1673 if (conn->type == ACL_LINK || conn->type == LE_LINK) {
1674 if (ev->status != 0)
1675 mgmt_disconnect_failed(hdev, &conn->dst, ev->status);
1676 else
1677 mgmt_disconnected(hdev, &conn->dst, conn->type,
48264f06 1678 conn->dst_type);
37d9ef76 1679 }
f7520543 1680
37d9ef76
JH
1681 if (ev->status == 0) {
1682 hci_proto_disconn_cfm(conn, ev->reason);
1683 hci_conn_del(conn);
1684 }
f7520543
JH
1685
1686unlock:
04837f64
MH
1687 hci_dev_unlock(hdev);
1688}
1689
1da177e4
LT
1690static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1691{
a9de9248 1692 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 1693 struct hci_conn *conn;
1da177e4
LT
1694
1695 BT_DBG("%s status %d", hdev->name, ev->status);
1696
1697 hci_dev_lock(hdev);
1698
04837f64 1699 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR
1700 if (!conn)
1701 goto unlock;
1702
1703 if (!ev->status) {
1704 if (!(conn->ssp_mode > 0 && hdev->ssp_mode > 0) &&
1705 test_bit(HCI_CONN_REAUTH_PEND, &conn->pend)) {
1706 BT_INFO("re-auth of legacy device is not possible.");
2a611692 1707 } else {
d7556e20
WR
1708 conn->link_mode |= HCI_LM_AUTH;
1709 conn->sec_level = conn->pending_sec_level;
2a611692 1710 }
d7556e20 1711 } else {
744cf19e 1712 mgmt_auth_failed(hdev, &conn->dst, ev->status);
d7556e20 1713 }
1da177e4 1714
d7556e20
WR
1715 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
1716 clear_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
1da177e4 1717
d7556e20
WR
1718 if (conn->state == BT_CONFIG) {
1719 if (!ev->status && hdev->ssp_mode > 0 && conn->ssp_mode > 0) {
1720 struct hci_cp_set_conn_encrypt cp;
1721 cp.handle = ev->handle;
1722 cp.encrypt = 0x01;
1723 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1724 &cp);
052b30b0 1725 } else {
d7556e20
WR
1726 conn->state = BT_CONNECTED;
1727 hci_proto_connect_cfm(conn, ev->status);
052b30b0
MH
1728 hci_conn_put(conn);
1729 }
d7556e20
WR
1730 } else {
1731 hci_auth_cfm(conn, ev->status);
052b30b0 1732
d7556e20
WR
1733 hci_conn_hold(conn);
1734 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1735 hci_conn_put(conn);
1736 }
1737
1738 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
1739 if (!ev->status) {
1740 struct hci_cp_set_conn_encrypt cp;
1741 cp.handle = ev->handle;
1742 cp.encrypt = 0x01;
1743 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1744 &cp);
1745 } else {
1746 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
1747 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT
1748 }
1749 }
1750
d7556e20 1751unlock:
1da177e4
LT
1752 hci_dev_unlock(hdev);
1753}
1754
a9de9248 1755static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1756{
127178d2
JH
1757 struct hci_ev_remote_name *ev = (void *) skb->data;
1758 struct hci_conn *conn;
1759
a9de9248 1760 BT_DBG("%s", hdev->name);
1da177e4 1761
a9de9248 1762 hci_conn_check_pending(hdev);
127178d2
JH
1763
1764 hci_dev_lock(hdev);
1765
a88a9652 1766 if (ev->status == 0 && test_bit(HCI_MGMT, &hdev->flags))
744cf19e 1767 mgmt_remote_name(hdev, &ev->bdaddr, ev->name);
a88a9652 1768
127178d2 1769 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
79c6c70c
JH
1770 if (!conn)
1771 goto unlock;
1772
1773 if (!hci_outgoing_auth_needed(hdev, conn))
1774 goto unlock;
1775
1776 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
127178d2
JH
1777 struct hci_cp_auth_requested cp;
1778 cp.handle = __cpu_to_le16(conn->handle);
1779 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1780 }
1781
79c6c70c 1782unlock:
127178d2 1783 hci_dev_unlock(hdev);
a9de9248
MH
1784}
1785
1786static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1787{
1788 struct hci_ev_encrypt_change *ev = (void *) skb->data;
1789 struct hci_conn *conn;
1790
1791 BT_DBG("%s status %d", hdev->name, ev->status);
1da177e4
LT
1792
1793 hci_dev_lock(hdev);
1794
04837f64 1795 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
1796 if (conn) {
1797 if (!ev->status) {
ae293196
MH
1798 if (ev->encrypt) {
1799 /* Encryption implies authentication */
1800 conn->link_mode |= HCI_LM_AUTH;
1da177e4 1801 conn->link_mode |= HCI_LM_ENCRYPT;
da85e5e5 1802 conn->sec_level = conn->pending_sec_level;
ae293196 1803 } else
1da177e4
LT
1804 conn->link_mode &= ~HCI_LM_ENCRYPT;
1805 }
1806
1807 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
1808
f8558555
MH
1809 if (conn->state == BT_CONFIG) {
1810 if (!ev->status)
1811 conn->state = BT_CONNECTED;
1812
1813 hci_proto_connect_cfm(conn, ev->status);
1814 hci_conn_put(conn);
1815 } else
1816 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
1da177e4
LT
1817 }
1818
1819 hci_dev_unlock(hdev);
1820}
1821
a9de9248 1822static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1823{
a9de9248 1824 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 1825 struct hci_conn *conn;
1da177e4
LT
1826
1827 BT_DBG("%s status %d", hdev->name, ev->status);
1828
1829 hci_dev_lock(hdev);
1830
04837f64 1831 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
1832 if (conn) {
1833 if (!ev->status)
1834 conn->link_mode |= HCI_LM_SECURE;
1835
1836 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
1837
1838 hci_key_change_cfm(conn, ev->status);
1839 }
1840
1841 hci_dev_unlock(hdev);
1842}
1843
a9de9248 1844static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1845{
a9de9248
MH
1846 struct hci_ev_remote_features *ev = (void *) skb->data;
1847 struct hci_conn *conn;
1848
1849 BT_DBG("%s status %d", hdev->name, ev->status);
1850
a9de9248
MH
1851 hci_dev_lock(hdev);
1852
1853 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
1854 if (!conn)
1855 goto unlock;
769be974 1856
ccd556fe
JH
1857 if (!ev->status)
1858 memcpy(conn->features, ev->features, 8);
1859
1860 if (conn->state != BT_CONFIG)
1861 goto unlock;
1862
1863 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
1864 struct hci_cp_read_remote_ext_features cp;
1865 cp.handle = ev->handle;
1866 cp.page = 0x01;
1867 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
bdb7524a 1868 sizeof(cp), &cp);
392599b9
JH
1869 goto unlock;
1870 }
1871
127178d2
JH
1872 if (!ev->status) {
1873 struct hci_cp_remote_name_req cp;
1874 memset(&cp, 0, sizeof(cp));
1875 bacpy(&cp.bdaddr, &conn->dst);
1876 cp.pscan_rep_mode = 0x02;
1877 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1878 }
392599b9 1879
127178d2 1880 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
1881 conn->state = BT_CONNECTED;
1882 hci_proto_connect_cfm(conn, ev->status);
1883 hci_conn_put(conn);
769be974 1884 }
a9de9248 1885
ccd556fe 1886unlock:
a9de9248 1887 hci_dev_unlock(hdev);
1da177e4
LT
1888}
1889
a9de9248 1890static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1891{
a9de9248 1892 BT_DBG("%s", hdev->name);
1da177e4
LT
1893}
1894
a9de9248 1895static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1896{
a9de9248 1897 BT_DBG("%s", hdev->name);
1da177e4
LT
1898}
1899
a9de9248
MH
1900static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1901{
1902 struct hci_ev_cmd_complete *ev = (void *) skb->data;
1903 __u16 opcode;
1904
1905 skb_pull(skb, sizeof(*ev));
1906
1907 opcode = __le16_to_cpu(ev->opcode);
1908
1909 switch (opcode) {
1910 case HCI_OP_INQUIRY_CANCEL:
1911 hci_cc_inquiry_cancel(hdev, skb);
1912 break;
1913
1914 case HCI_OP_EXIT_PERIODIC_INQ:
1915 hci_cc_exit_periodic_inq(hdev, skb);
1916 break;
1917
1918 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
1919 hci_cc_remote_name_req_cancel(hdev, skb);
1920 break;
1921
1922 case HCI_OP_ROLE_DISCOVERY:
1923 hci_cc_role_discovery(hdev, skb);
1924 break;
1925
e4e8e37c
MH
1926 case HCI_OP_READ_LINK_POLICY:
1927 hci_cc_read_link_policy(hdev, skb);
1928 break;
1929
a9de9248
MH
1930 case HCI_OP_WRITE_LINK_POLICY:
1931 hci_cc_write_link_policy(hdev, skb);
1932 break;
1933
e4e8e37c
MH
1934 case HCI_OP_READ_DEF_LINK_POLICY:
1935 hci_cc_read_def_link_policy(hdev, skb);
1936 break;
1937
1938 case HCI_OP_WRITE_DEF_LINK_POLICY:
1939 hci_cc_write_def_link_policy(hdev, skb);
1940 break;
1941
a9de9248
MH
1942 case HCI_OP_RESET:
1943 hci_cc_reset(hdev, skb);
1944 break;
1945
1946 case HCI_OP_WRITE_LOCAL_NAME:
1947 hci_cc_write_local_name(hdev, skb);
1948 break;
1949
1950 case HCI_OP_READ_LOCAL_NAME:
1951 hci_cc_read_local_name(hdev, skb);
1952 break;
1953
1954 case HCI_OP_WRITE_AUTH_ENABLE:
1955 hci_cc_write_auth_enable(hdev, skb);
1956 break;
1957
1958 case HCI_OP_WRITE_ENCRYPT_MODE:
1959 hci_cc_write_encrypt_mode(hdev, skb);
1960 break;
1961
1962 case HCI_OP_WRITE_SCAN_ENABLE:
1963 hci_cc_write_scan_enable(hdev, skb);
1964 break;
1965
1966 case HCI_OP_READ_CLASS_OF_DEV:
1967 hci_cc_read_class_of_dev(hdev, skb);
1968 break;
1969
1970 case HCI_OP_WRITE_CLASS_OF_DEV:
1971 hci_cc_write_class_of_dev(hdev, skb);
1972 break;
1973
1974 case HCI_OP_READ_VOICE_SETTING:
1975 hci_cc_read_voice_setting(hdev, skb);
1976 break;
1977
1978 case HCI_OP_WRITE_VOICE_SETTING:
1979 hci_cc_write_voice_setting(hdev, skb);
1980 break;
1981
1982 case HCI_OP_HOST_BUFFER_SIZE:
1983 hci_cc_host_buffer_size(hdev, skb);
1984 break;
1985
333140b5
MH
1986 case HCI_OP_READ_SSP_MODE:
1987 hci_cc_read_ssp_mode(hdev, skb);
1988 break;
1989
1990 case HCI_OP_WRITE_SSP_MODE:
1991 hci_cc_write_ssp_mode(hdev, skb);
1992 break;
1993
a9de9248
MH
1994 case HCI_OP_READ_LOCAL_VERSION:
1995 hci_cc_read_local_version(hdev, skb);
1996 break;
1997
1998 case HCI_OP_READ_LOCAL_COMMANDS:
1999 hci_cc_read_local_commands(hdev, skb);
2000 break;
2001
2002 case HCI_OP_READ_LOCAL_FEATURES:
2003 hci_cc_read_local_features(hdev, skb);
2004 break;
2005
971e3a4b
AG
2006 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2007 hci_cc_read_local_ext_features(hdev, skb);
2008 break;
2009
a9de9248
MH
2010 case HCI_OP_READ_BUFFER_SIZE:
2011 hci_cc_read_buffer_size(hdev, skb);
2012 break;
2013
2014 case HCI_OP_READ_BD_ADDR:
2015 hci_cc_read_bd_addr(hdev, skb);
2016 break;
2017
23bb5763
JH
2018 case HCI_OP_WRITE_CA_TIMEOUT:
2019 hci_cc_write_ca_timeout(hdev, skb);
2020 break;
2021
1e89cffb
AE
2022 case HCI_OP_READ_FLOW_CONTROL_MODE:
2023 hci_cc_read_flow_control_mode(hdev, skb);
2024 break;
2025
928abaa7
AE
2026 case HCI_OP_READ_LOCAL_AMP_INFO:
2027 hci_cc_read_local_amp_info(hdev, skb);
2028 break;
2029
b0916ea0
JH
2030 case HCI_OP_DELETE_STORED_LINK_KEY:
2031 hci_cc_delete_stored_link_key(hdev, skb);
2032 break;
2033
d5859e22
JH
2034 case HCI_OP_SET_EVENT_MASK:
2035 hci_cc_set_event_mask(hdev, skb);
2036 break;
2037
2038 case HCI_OP_WRITE_INQUIRY_MODE:
2039 hci_cc_write_inquiry_mode(hdev, skb);
2040 break;
2041
2042 case HCI_OP_READ_INQ_RSP_TX_POWER:
2043 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2044 break;
2045
2046 case HCI_OP_SET_EVENT_FLT:
2047 hci_cc_set_event_flt(hdev, skb);
2048 break;
2049
980e1a53
JH
2050 case HCI_OP_PIN_CODE_REPLY:
2051 hci_cc_pin_code_reply(hdev, skb);
2052 break;
2053
2054 case HCI_OP_PIN_CODE_NEG_REPLY:
2055 hci_cc_pin_code_neg_reply(hdev, skb);
2056 break;
2057
c35938b2
SJ
2058 case HCI_OP_READ_LOCAL_OOB_DATA:
2059 hci_cc_read_local_oob_data_reply(hdev, skb);
2060 break;
2061
6ed58ec5
VT
2062 case HCI_OP_LE_READ_BUFFER_SIZE:
2063 hci_cc_le_read_buffer_size(hdev, skb);
2064 break;
2065
a5c29683
JH
2066 case HCI_OP_USER_CONFIRM_REPLY:
2067 hci_cc_user_confirm_reply(hdev, skb);
2068 break;
2069
2070 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2071 hci_cc_user_confirm_neg_reply(hdev, skb);
2072 break;
2073
1143d458
BG
2074 case HCI_OP_USER_PASSKEY_REPLY:
2075 hci_cc_user_passkey_reply(hdev, skb);
2076 break;
2077
2078 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2079 hci_cc_user_passkey_neg_reply(hdev, skb);
2080 break;
2081
eb9d91f5
AG
2082 case HCI_OP_LE_SET_SCAN_ENABLE:
2083 hci_cc_le_set_scan_enable(hdev, skb);
2084 break;
2085
a7a595f6
VCG
2086 case HCI_OP_LE_LTK_REPLY:
2087 hci_cc_le_ltk_reply(hdev, skb);
2088 break;
2089
2090 case HCI_OP_LE_LTK_NEG_REPLY:
2091 hci_cc_le_ltk_neg_reply(hdev, skb);
2092 break;
2093
f9b49306
AG
2094 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2095 hci_cc_write_le_host_supported(hdev, skb);
2096 break;
2097
a9de9248
MH
2098 default:
2099 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
2100 break;
2101 }
2102
6bd32326
VT
2103 if (ev->opcode != HCI_OP_NOP)
2104 del_timer(&hdev->cmd_timer);
2105
a9de9248
MH
2106 if (ev->ncmd) {
2107 atomic_set(&hdev->cmd_cnt, 1);
2108 if (!skb_queue_empty(&hdev->cmd_q))
c78ae283 2109 tasklet_schedule(&hdev->cmd_task);
a9de9248
MH
2110 }
2111}
2112
2113static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
2114{
2115 struct hci_ev_cmd_status *ev = (void *) skb->data;
2116 __u16 opcode;
2117
2118 skb_pull(skb, sizeof(*ev));
2119
2120 opcode = __le16_to_cpu(ev->opcode);
2121
2122 switch (opcode) {
2123 case HCI_OP_INQUIRY:
2124 hci_cs_inquiry(hdev, ev->status);
2125 break;
2126
2127 case HCI_OP_CREATE_CONN:
2128 hci_cs_create_conn(hdev, ev->status);
2129 break;
2130
2131 case HCI_OP_ADD_SCO:
2132 hci_cs_add_sco(hdev, ev->status);
2133 break;
2134
f8558555
MH
2135 case HCI_OP_AUTH_REQUESTED:
2136 hci_cs_auth_requested(hdev, ev->status);
2137 break;
2138
2139 case HCI_OP_SET_CONN_ENCRYPT:
2140 hci_cs_set_conn_encrypt(hdev, ev->status);
2141 break;
2142
a9de9248
MH
2143 case HCI_OP_REMOTE_NAME_REQ:
2144 hci_cs_remote_name_req(hdev, ev->status);
2145 break;
2146
769be974
MH
2147 case HCI_OP_READ_REMOTE_FEATURES:
2148 hci_cs_read_remote_features(hdev, ev->status);
2149 break;
2150
2151 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2152 hci_cs_read_remote_ext_features(hdev, ev->status);
2153 break;
2154
a9de9248
MH
2155 case HCI_OP_SETUP_SYNC_CONN:
2156 hci_cs_setup_sync_conn(hdev, ev->status);
2157 break;
2158
2159 case HCI_OP_SNIFF_MODE:
2160 hci_cs_sniff_mode(hdev, ev->status);
2161 break;
2162
2163 case HCI_OP_EXIT_SNIFF_MODE:
2164 hci_cs_exit_sniff_mode(hdev, ev->status);
2165 break;
2166
8962ee74
JH
2167 case HCI_OP_DISCONNECT:
2168 if (ev->status != 0)
37d9ef76 2169 mgmt_disconnect_failed(hdev, NULL, ev->status);
8962ee74
JH
2170 break;
2171
fcd89c09
VT
2172 case HCI_OP_LE_CREATE_CONN:
2173 hci_cs_le_create_conn(hdev, ev->status);
2174 break;
2175
a7a595f6
VCG
2176 case HCI_OP_LE_START_ENC:
2177 hci_cs_le_start_enc(hdev, ev->status);
2178 break;
2179
a9de9248
MH
2180 default:
2181 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
2182 break;
2183 }
2184
6bd32326
VT
2185 if (ev->opcode != HCI_OP_NOP)
2186 del_timer(&hdev->cmd_timer);
2187
10572132 2188 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH
2189 atomic_set(&hdev->cmd_cnt, 1);
2190 if (!skb_queue_empty(&hdev->cmd_q))
c78ae283 2191 tasklet_schedule(&hdev->cmd_task);
a9de9248
MH
2192 }
2193}
2194
2195static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2196{
2197 struct hci_ev_role_change *ev = (void *) skb->data;
2198 struct hci_conn *conn;
2199
2200 BT_DBG("%s status %d", hdev->name, ev->status);
2201
2202 hci_dev_lock(hdev);
2203
2204 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2205 if (conn) {
2206 if (!ev->status) {
2207 if (ev->role)
2208 conn->link_mode &= ~HCI_LM_MASTER;
2209 else
2210 conn->link_mode |= HCI_LM_MASTER;
2211 }
2212
2213 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend);
2214
2215 hci_role_switch_cfm(conn, ev->status, ev->role);
2216 }
2217
2218 hci_dev_unlock(hdev);
2219}
2220
2221static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2222{
2223 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
2224 __le16 *ptr;
2225 int i;
2226
2227 skb_pull(skb, sizeof(*ev));
2228
2229 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2230
2231 if (skb->len < ev->num_hndl * 4) {
2232 BT_DBG("%s bad parameters", hdev->name);
2233 return;
2234 }
2235
2236 tasklet_disable(&hdev->tx_task);
2237
2238 for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) {
2239 struct hci_conn *conn;
2240 __u16 handle, count;
2241
83985319
HH
2242 handle = get_unaligned_le16(ptr++);
2243 count = get_unaligned_le16(ptr++);
a9de9248
MH
2244
2245 conn = hci_conn_hash_lookup_handle(hdev, handle);
2246 if (conn) {
2247 conn->sent -= count;
2248
2249 if (conn->type == ACL_LINK) {
70f23020
AE
2250 hdev->acl_cnt += count;
2251 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2252 hdev->acl_cnt = hdev->acl_pkts;
6ed58ec5
VT
2253 } else if (conn->type == LE_LINK) {
2254 if (hdev->le_pkts) {
2255 hdev->le_cnt += count;
2256 if (hdev->le_cnt > hdev->le_pkts)
2257 hdev->le_cnt = hdev->le_pkts;
2258 } else {
2259 hdev->acl_cnt += count;
2260 if (hdev->acl_cnt > hdev->acl_pkts)
2261 hdev->acl_cnt = hdev->acl_pkts;
2262 }
a9de9248 2263 } else {
70f23020
AE
2264 hdev->sco_cnt += count;
2265 if (hdev->sco_cnt > hdev->sco_pkts)
a9de9248
MH
2266 hdev->sco_cnt = hdev->sco_pkts;
2267 }
2268 }
2269 }
2270
c78ae283 2271 tasklet_schedule(&hdev->tx_task);
a9de9248
MH
2272
2273 tasklet_enable(&hdev->tx_task);
2274}
2275
2276static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2277{
a9de9248 2278 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH
2279 struct hci_conn *conn;
2280
2281 BT_DBG("%s status %d", hdev->name, ev->status);
2282
2283 hci_dev_lock(hdev);
2284
2285 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH
2286 if (conn) {
2287 conn->mode = ev->mode;
2288 conn->interval = __le16_to_cpu(ev->interval);
2289
2290 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
2291 if (conn->mode == HCI_CM_ACTIVE)
2292 conn->power_save = 1;
2293 else
2294 conn->power_save = 0;
2295 }
e73439d8
MH
2296
2297 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
2298 hci_sco_setup(conn, ev->status);
04837f64
MH
2299 }
2300
2301 hci_dev_unlock(hdev);
2302}
2303
a9de9248
MH
2304static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2305{
052b30b0
MH
2306 struct hci_ev_pin_code_req *ev = (void *) skb->data;
2307 struct hci_conn *conn;
2308
a9de9248 2309 BT_DBG("%s", hdev->name);
052b30b0
MH
2310
2311 hci_dev_lock(hdev);
2312
2313 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR
2314 if (!conn)
2315 goto unlock;
2316
2317 if (conn->state == BT_CONNECTED) {
052b30b0
MH
2318 hci_conn_hold(conn);
2319 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2320 hci_conn_put(conn);
2321 }
2322
03b555e1
JH
2323 if (!test_bit(HCI_PAIRABLE, &hdev->flags))
2324 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2325 sizeof(ev->bdaddr), &ev->bdaddr);
582fbe9e 2326 else if (test_bit(HCI_MGMT, &hdev->flags)) {
a770bb5a
WR
2327 u8 secure;
2328
2329 if (conn->pending_sec_level == BT_SECURITY_HIGH)
2330 secure = 1;
2331 else
2332 secure = 0;
2333
744cf19e 2334 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 2335 }
980e1a53 2336
b6f98044 2337unlock:
052b30b0 2338 hci_dev_unlock(hdev);
a9de9248
MH
2339}
2340
2341static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2342{
55ed8ca1
JH
2343 struct hci_ev_link_key_req *ev = (void *) skb->data;
2344 struct hci_cp_link_key_reply cp;
2345 struct hci_conn *conn;
2346 struct link_key *key;
2347
a9de9248 2348 BT_DBG("%s", hdev->name);
55ed8ca1
JH
2349
2350 if (!test_bit(HCI_LINK_KEYS, &hdev->flags))
2351 return;
2352
2353 hci_dev_lock(hdev);
2354
2355 key = hci_find_link_key(hdev, &ev->bdaddr);
2356 if (!key) {
2357 BT_DBG("%s link key not found for %s", hdev->name,
2358 batostr(&ev->bdaddr));
2359 goto not_found;
2360 }
2361
2362 BT_DBG("%s found key type %u for %s", hdev->name, key->type,
2363 batostr(&ev->bdaddr));
2364
b6020ba0
WR
2365 if (!test_bit(HCI_DEBUG_KEYS, &hdev->flags) &&
2366 key->type == HCI_LK_DEBUG_COMBINATION) {
55ed8ca1
JH
2367 BT_DBG("%s ignoring debug key", hdev->name);
2368 goto not_found;
2369 }
2370
2371 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57
WR
2372 if (conn) {
2373 if (key->type == HCI_LK_UNAUTH_COMBINATION &&
2374 conn->auth_type != 0xff &&
2375 (conn->auth_type & 0x01)) {
2376 BT_DBG("%s ignoring unauthenticated key", hdev->name);
2377 goto not_found;
2378 }
55ed8ca1 2379
60b83f57
WR
2380 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
2381 conn->pending_sec_level == BT_SECURITY_HIGH) {
2382 BT_DBG("%s ignoring key unauthenticated for high \
2383 security", hdev->name);
2384 goto not_found;
2385 }
2386
2387 conn->key_type = key->type;
2388 conn->pin_length = key->pin_len;
55ed8ca1
JH
2389 }
2390
2391 bacpy(&cp.bdaddr, &ev->bdaddr);
2392 memcpy(cp.link_key, key->val, 16);
2393
2394 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
2395
2396 hci_dev_unlock(hdev);
2397
2398 return;
2399
2400not_found:
2401 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
2402 hci_dev_unlock(hdev);
a9de9248
MH
2403}
2404
2405static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
2406{
052b30b0
MH
2407 struct hci_ev_link_key_notify *ev = (void *) skb->data;
2408 struct hci_conn *conn;
55ed8ca1 2409 u8 pin_len = 0;
052b30b0 2410
a9de9248 2411 BT_DBG("%s", hdev->name);
052b30b0
MH
2412
2413 hci_dev_lock(hdev);
2414
2415 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2416 if (conn) {
2417 hci_conn_hold(conn);
2418 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 2419 pin_len = conn->pin_length;
13d39315
WR
2420
2421 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
2422 conn->key_type = ev->key_type;
2423
052b30b0
MH
2424 hci_conn_put(conn);
2425 }
2426
55ed8ca1 2427 if (test_bit(HCI_LINK_KEYS, &hdev->flags))
d25e28ab 2428 hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
55ed8ca1
JH
2429 ev->key_type, pin_len);
2430
052b30b0 2431 hci_dev_unlock(hdev);
a9de9248
MH
2432}
2433
1da177e4
LT
2434static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
2435{
a9de9248 2436 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 2437 struct hci_conn *conn;
1da177e4
LT
2438
2439 BT_DBG("%s status %d", hdev->name, ev->status);
2440
2441 hci_dev_lock(hdev);
2442
04837f64 2443 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2444 if (conn && !ev->status) {
2445 struct inquiry_entry *ie;
2446
cc11b9c1
AE
2447 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2448 if (ie) {
1da177e4
LT
2449 ie->data.clock_offset = ev->clock_offset;
2450 ie->timestamp = jiffies;
2451 }
2452 }
2453
2454 hci_dev_unlock(hdev);
2455}
2456
a8746417
MH
2457static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2458{
2459 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
2460 struct hci_conn *conn;
2461
2462 BT_DBG("%s status %d", hdev->name, ev->status);
2463
2464 hci_dev_lock(hdev);
2465
2466 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2467 if (conn && !ev->status)
2468 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
2469
2470 hci_dev_unlock(hdev);
2471}
2472
85a1e930
MH
2473static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
2474{
a9de9248 2475 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH
2476 struct inquiry_entry *ie;
2477
2478 BT_DBG("%s", hdev->name);
2479
2480 hci_dev_lock(hdev);
2481
cc11b9c1
AE
2482 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2483 if (ie) {
85a1e930
MH
2484 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
2485 ie->timestamp = jiffies;
2486 }
2487
2488 hci_dev_unlock(hdev);
2489}
2490
a9de9248
MH
2491static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
2492{
2493 struct inquiry_data data;
2494 int num_rsp = *((__u8 *) skb->data);
2495
2496 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2497
2498 if (!num_rsp)
2499 return;
2500
2501 hci_dev_lock(hdev);
2502
2503 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ
2504 struct inquiry_info_with_rssi_and_pscan_mode *info;
2505 info = (void *) (skb->data + 1);
a9de9248 2506
e17acd40 2507 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2508 bacpy(&data.bdaddr, &info->bdaddr);
2509 data.pscan_rep_mode = info->pscan_rep_mode;
2510 data.pscan_period_mode = info->pscan_period_mode;
2511 data.pscan_mode = info->pscan_mode;
2512 memcpy(data.dev_class, info->dev_class, 3);
2513 data.clock_offset = info->clock_offset;
2514 data.rssi = info->rssi;
41a96212 2515 data.ssp_mode = 0x00;
a9de9248 2516 hci_inquiry_cache_update(hdev, &data);
48264f06 2517 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
e17acd40
JH
2518 info->dev_class, info->rssi,
2519 NULL);
a9de9248
MH
2520 }
2521 } else {
2522 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
2523
e17acd40 2524 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2525 bacpy(&data.bdaddr, &info->bdaddr);
2526 data.pscan_rep_mode = info->pscan_rep_mode;
2527 data.pscan_period_mode = info->pscan_period_mode;
2528 data.pscan_mode = 0x00;
2529 memcpy(data.dev_class, info->dev_class, 3);
2530 data.clock_offset = info->clock_offset;
2531 data.rssi = info->rssi;
41a96212 2532 data.ssp_mode = 0x00;
a9de9248 2533 hci_inquiry_cache_update(hdev, &data);
48264f06 2534 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
e17acd40
JH
2535 info->dev_class, info->rssi,
2536 NULL);
a9de9248
MH
2537 }
2538 }
2539
2540 hci_dev_unlock(hdev);
2541}
2542
2543static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
2544{
41a96212
MH
2545 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
2546 struct hci_conn *conn;
2547
a9de9248 2548 BT_DBG("%s", hdev->name);
41a96212 2549
41a96212
MH
2550 hci_dev_lock(hdev);
2551
2552 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
2553 if (!conn)
2554 goto unlock;
41a96212 2555
ccd556fe
JH
2556 if (!ev->status && ev->page == 0x01) {
2557 struct inquiry_entry *ie;
41a96212 2558
cc11b9c1
AE
2559 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2560 if (ie)
ccd556fe 2561 ie->data.ssp_mode = (ev->features[0] & 0x01);
769be974 2562
ccd556fe
JH
2563 conn->ssp_mode = (ev->features[0] & 0x01);
2564 }
2565
2566 if (conn->state != BT_CONFIG)
2567 goto unlock;
2568
127178d2
JH
2569 if (!ev->status) {
2570 struct hci_cp_remote_name_req cp;
2571 memset(&cp, 0, sizeof(cp));
2572 bacpy(&cp.bdaddr, &conn->dst);
2573 cp.pscan_rep_mode = 0x02;
2574 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2575 }
392599b9 2576
127178d2 2577 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
2578 conn->state = BT_CONNECTED;
2579 hci_proto_connect_cfm(conn, ev->status);
2580 hci_conn_put(conn);
41a96212
MH
2581 }
2582
ccd556fe 2583unlock:
41a96212 2584 hci_dev_unlock(hdev);
a9de9248
MH
2585}
2586
2587static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2588{
b6a0dc82
MH
2589 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
2590 struct hci_conn *conn;
2591
2592 BT_DBG("%s status %d", hdev->name, ev->status);
2593
2594 hci_dev_lock(hdev);
2595
2596 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH
2597 if (!conn) {
2598 if (ev->link_type == ESCO_LINK)
2599 goto unlock;
2600
2601 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2602 if (!conn)
2603 goto unlock;
2604
2605 conn->type = SCO_LINK;
2606 }
b6a0dc82 2607
732547f9
MH
2608 switch (ev->status) {
2609 case 0x00:
b6a0dc82
MH
2610 conn->handle = __le16_to_cpu(ev->handle);
2611 conn->state = BT_CONNECTED;
7d0db0a3 2612
9eba32b8 2613 hci_conn_hold_device(conn);
7d0db0a3 2614 hci_conn_add_sysfs(conn);
732547f9
MH
2615 break;
2616
705e5711 2617 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 2618 case 0x1c: /* SCO interval rejected */
1038a00b 2619 case 0x1a: /* Unsupported Remote Feature */
732547f9
MH
2620 case 0x1f: /* Unspecified error */
2621 if (conn->out && conn->attempt < 2) {
2622 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
2623 (hdev->esco_type & EDR_ESCO_MASK);
2624 hci_setup_sync(conn, conn->link->handle);
2625 goto unlock;
2626 }
2627 /* fall through */
2628
2629 default:
b6a0dc82 2630 conn->state = BT_CLOSED;
732547f9
MH
2631 break;
2632 }
b6a0dc82
MH
2633
2634 hci_proto_connect_cfm(conn, ev->status);
2635 if (ev->status)
2636 hci_conn_del(conn);
2637
2638unlock:
2639 hci_dev_unlock(hdev);
a9de9248
MH
2640}
2641
2642static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
2643{
2644 BT_DBG("%s", hdev->name);
2645}
2646
04837f64
MH
2647static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
2648{
a9de9248 2649 struct hci_ev_sniff_subrate *ev = (void *) skb->data;
04837f64
MH
2650
2651 BT_DBG("%s status %d", hdev->name, ev->status);
04837f64
MH
2652}
2653
a9de9248 2654static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2655{
a9de9248
MH
2656 struct inquiry_data data;
2657 struct extended_inquiry_info *info = (void *) (skb->data + 1);
2658 int num_rsp = *((__u8 *) skb->data);
1da177e4 2659
a9de9248 2660 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 2661
a9de9248
MH
2662 if (!num_rsp)
2663 return;
1da177e4 2664
a9de9248
MH
2665 hci_dev_lock(hdev);
2666
e17acd40 2667 for (; num_rsp; num_rsp--, info++) {
a9de9248 2668 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ
2669 data.pscan_rep_mode = info->pscan_rep_mode;
2670 data.pscan_period_mode = info->pscan_period_mode;
2671 data.pscan_mode = 0x00;
a9de9248 2672 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ
2673 data.clock_offset = info->clock_offset;
2674 data.rssi = info->rssi;
41a96212 2675 data.ssp_mode = 0x01;
a9de9248 2676 hci_inquiry_cache_update(hdev, &data);
48264f06 2677 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
4c659c39 2678 info->dev_class, info->rssi, info->data);
a9de9248
MH
2679 }
2680
2681 hci_dev_unlock(hdev);
2682}
1da177e4 2683
17fa4b9d
JH
2684static inline u8 hci_get_auth_req(struct hci_conn *conn)
2685{
2686 /* If remote requests dedicated bonding follow that lead */
2687 if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
2688 /* If both remote and local IO capabilities allow MITM
2689 * protection then require it, otherwise don't */
2690 if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
2691 return 0x02;
2692 else
2693 return 0x03;
2694 }
2695
2696 /* If remote requests no-bonding follow that lead */
2697 if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
58797bf7 2698 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d
JH
2699
2700 return conn->auth_type;
2701}
2702
0493684e
MH
2703static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2704{
2705 struct hci_ev_io_capa_request *ev = (void *) skb->data;
2706 struct hci_conn *conn;
2707
2708 BT_DBG("%s", hdev->name);
2709
2710 hci_dev_lock(hdev);
2711
2712 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH
2713 if (!conn)
2714 goto unlock;
2715
2716 hci_conn_hold(conn);
2717
2718 if (!test_bit(HCI_MGMT, &hdev->flags))
2719 goto unlock;
2720
2721 if (test_bit(HCI_PAIRABLE, &hdev->flags) ||
2722 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH
2723 struct hci_cp_io_capability_reply cp;
2724
2725 bacpy(&cp.bdaddr, &ev->bdaddr);
2726 cp.capability = conn->io_capability;
7cbc9bd9
JH
2727 conn->auth_type = hci_get_auth_req(conn);
2728 cp.authentication = conn->auth_type;
17fa4b9d 2729
ce85ee13
SJ
2730 if ((conn->out == 0x01 || conn->remote_oob == 0x01) &&
2731 hci_find_remote_oob_data(hdev, &conn->dst))
2732 cp.oob_data = 0x01;
2733 else
2734 cp.oob_data = 0x00;
2735
17fa4b9d
JH
2736 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
2737 sizeof(cp), &cp);
03b555e1
JH
2738 } else {
2739 struct hci_cp_io_capability_neg_reply cp;
2740
2741 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 2742 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 2743
03b555e1
JH
2744 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
2745 sizeof(cp), &cp);
2746 }
2747
2748unlock:
2749 hci_dev_unlock(hdev);
2750}
2751
2752static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
2753{
2754 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
2755 struct hci_conn *conn;
2756
2757 BT_DBG("%s", hdev->name);
2758
2759 hci_dev_lock(hdev);
2760
2761 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2762 if (!conn)
2763 goto unlock;
2764
03b555e1
JH
2765 conn->remote_cap = ev->capability;
2766 conn->remote_oob = ev->oob_data;
2767 conn->remote_auth = ev->authentication;
2768
2769unlock:
0493684e
MH
2770 hci_dev_unlock(hdev);
2771}
2772
a5c29683
JH
2773static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
2774 struct sk_buff *skb)
2775{
2776 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 2777 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 2778 struct hci_conn *conn;
a5c29683
JH
2779
2780 BT_DBG("%s", hdev->name);
2781
2782 hci_dev_lock(hdev);
2783
7a828908
JH
2784 if (!test_bit(HCI_MGMT, &hdev->flags))
2785 goto unlock;
a5c29683 2786
7a828908
JH
2787 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2788 if (!conn)
2789 goto unlock;
2790
2791 loc_mitm = (conn->auth_type & 0x01);
2792 rem_mitm = (conn->remote_auth & 0x01);
2793
2794 /* If we require MITM but the remote device can't provide that
2795 * (it has NoInputNoOutput) then reject the confirmation
2796 * request. The only exception is when we're dedicated bonding
2797 * initiators (connect_cfm_cb set) since then we always have the MITM
2798 * bit set. */
2799 if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
2800 BT_DBG("Rejecting request: remote device can't provide MITM");
2801 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
2802 sizeof(ev->bdaddr), &ev->bdaddr);
2803 goto unlock;
2804 }
2805
2806 /* If no side requires MITM protection; auto-accept */
2807 if ((!loc_mitm || conn->remote_cap == 0x03) &&
2808 (!rem_mitm || conn->io_capability == 0x03)) {
55bc1a37
JH
2809
2810 /* If we're not the initiators request authorization to
2811 * proceed from user space (mgmt_user_confirm with
2812 * confirm_hint set to 1). */
2813 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
2814 BT_DBG("Confirming auto-accept as acceptor");
2815 confirm_hint = 1;
2816 goto confirm;
2817 }
2818
9f61656a
JH
2819 BT_DBG("Auto-accept of user confirmation with %ums delay",
2820 hdev->auto_accept_delay);
2821
2822 if (hdev->auto_accept_delay > 0) {
2823 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
2824 mod_timer(&conn->auto_accept_timer, jiffies + delay);
2825 goto unlock;
2826 }
2827
7a828908
JH
2828 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
2829 sizeof(ev->bdaddr), &ev->bdaddr);
2830 goto unlock;
2831 }
2832
55bc1a37 2833confirm:
744cf19e 2834 mgmt_user_confirm_request(hdev, &ev->bdaddr, ev->passkey,
55bc1a37 2835 confirm_hint);
7a828908
JH
2836
2837unlock:
a5c29683
JH
2838 hci_dev_unlock(hdev);
2839}
2840
1143d458
BG
2841static inline void hci_user_passkey_request_evt(struct hci_dev *hdev,
2842 struct sk_buff *skb)
2843{
2844 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
2845
2846 BT_DBG("%s", hdev->name);
2847
2848 hci_dev_lock(hdev);
2849
2850 if (test_bit(HCI_MGMT, &hdev->flags))
2851 mgmt_user_passkey_request(hdev, &ev->bdaddr);
2852
2853 hci_dev_unlock(hdev);
2854}
2855
0493684e
MH
2856static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2857{
2858 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
2859 struct hci_conn *conn;
2860
2861 BT_DBG("%s", hdev->name);
2862
2863 hci_dev_lock(hdev);
2864
2865 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH
2866 if (!conn)
2867 goto unlock;
2868
2869 /* To avoid duplicate auth_failed events to user space we check
2870 * the HCI_CONN_AUTH_PEND flag which will be set if we
2871 * initiated the authentication. A traditional auth_complete
2872 * event gets always produced as initiator and is also mapped to
2873 * the mgmt_auth_failed event */
2874 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend) && ev->status != 0)
744cf19e 2875 mgmt_auth_failed(hdev, &conn->dst, ev->status);
0493684e 2876
2a611692
JH
2877 hci_conn_put(conn);
2878
2879unlock:
0493684e
MH
2880 hci_dev_unlock(hdev);
2881}
2882
41a96212
MH
2883static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
2884{
2885 struct hci_ev_remote_host_features *ev = (void *) skb->data;
2886 struct inquiry_entry *ie;
2887
2888 BT_DBG("%s", hdev->name);
2889
2890 hci_dev_lock(hdev);
2891
cc11b9c1
AE
2892 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2893 if (ie)
41a96212
MH
2894 ie->data.ssp_mode = (ev->features[0] & 0x01);
2895
2896 hci_dev_unlock(hdev);
2897}
2898
2763eda6
SJ
2899static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
2900 struct sk_buff *skb)
2901{
2902 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
2903 struct oob_data *data;
2904
2905 BT_DBG("%s", hdev->name);
2906
2907 hci_dev_lock(hdev);
2908
e1ba1f15
SJ
2909 if (!test_bit(HCI_MGMT, &hdev->flags))
2910 goto unlock;
2911
2763eda6
SJ
2912 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
2913 if (data) {
2914 struct hci_cp_remote_oob_data_reply cp;
2915
2916 bacpy(&cp.bdaddr, &ev->bdaddr);
2917 memcpy(cp.hash, data->hash, sizeof(cp.hash));
2918 memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
2919
2920 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
2921 &cp);
2922 } else {
2923 struct hci_cp_remote_oob_data_neg_reply cp;
2924
2925 bacpy(&cp.bdaddr, &ev->bdaddr);
2926 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
2927 &cp);
2928 }
2929
e1ba1f15 2930unlock:
2763eda6
SJ
2931 hci_dev_unlock(hdev);
2932}
2933
fcd89c09
VT
2934static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2935{
2936 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
2937 struct hci_conn *conn;
2938
2939 BT_DBG("%s status %d", hdev->name, ev->status);
2940
2941 hci_dev_lock(hdev);
2942
2943 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr);
b62f328b
VT
2944 if (!conn) {
2945 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
2946 if (!conn) {
2947 BT_ERR("No memory for new connection");
2948 hci_dev_unlock(hdev);
2949 return;
2950 }
29b7988a
AG
2951
2952 conn->dst_type = ev->bdaddr_type;
b62f328b 2953 }
fcd89c09
VT
2954
2955 if (ev->status) {
48264f06
JH
2956 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
2957 conn->dst_type, ev->status);
fcd89c09
VT
2958 hci_proto_connect_cfm(conn, ev->status);
2959 conn->state = BT_CLOSED;
2960 hci_conn_del(conn);
2961 goto unlock;
2962 }
2963
48264f06 2964 mgmt_connected(hdev, &ev->bdaddr, conn->type, conn->dst_type);
83bc71b4 2965
7b5c0d52 2966 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT
2967 conn->handle = __le16_to_cpu(ev->handle);
2968 conn->state = BT_CONNECTED;
2969
2970 hci_conn_hold_device(conn);
2971 hci_conn_add_sysfs(conn);
2972
2973 hci_proto_connect_cfm(conn, ev->status);
2974
2975unlock:
2976 hci_dev_unlock(hdev);
2977}
2978
9aa04c91
AG
2979static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
2980 struct sk_buff *skb)
2981{
e95beb41
AG
2982 u8 num_reports = skb->data[0];
2983 void *ptr = &skb->data[1];
9aa04c91
AG
2984
2985 hci_dev_lock(hdev);
2986
e95beb41
AG
2987 while (num_reports--) {
2988 struct hci_ev_le_advertising_info *ev = ptr;
9aa04c91 2989
9aa04c91 2990 hci_add_adv_entry(hdev, ev);
e95beb41
AG
2991
2992 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91
AG
2993 }
2994
2995 hci_dev_unlock(hdev);
2996}
2997
a7a595f6
VCG
2998static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
2999 struct sk_buff *skb)
3000{
3001 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
3002 struct hci_cp_le_ltk_reply cp;
bea710fe 3003 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 3004 struct hci_conn *conn;
bea710fe 3005 struct link_key *ltk;
a7a595f6
VCG
3006
3007 BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
3008
3009 hci_dev_lock(hdev);
3010
3011 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG
3012 if (conn == NULL)
3013 goto not_found;
a7a595f6 3014
bea710fe
VCG
3015 ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
3016 if (ltk == NULL)
3017 goto not_found;
3018
3019 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 3020 cp.handle = cpu_to_le16(conn->handle);
726b4ffc 3021 conn->pin_length = ltk->pin_len;
a7a595f6
VCG
3022
3023 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
3024
3025 hci_dev_unlock(hdev);
bea710fe
VCG
3026
3027 return;
3028
3029not_found:
3030 neg.handle = ev->handle;
3031 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
3032 hci_dev_unlock(hdev);
a7a595f6
VCG
3033}
3034
fcd89c09
VT
3035static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
3036{
3037 struct hci_ev_le_meta *le_ev = (void *) skb->data;
3038
3039 skb_pull(skb, sizeof(*le_ev));
3040
3041 switch (le_ev->subevent) {
3042 case HCI_EV_LE_CONN_COMPLETE:
3043 hci_le_conn_complete_evt(hdev, skb);
3044 break;
3045
9aa04c91
AG
3046 case HCI_EV_LE_ADVERTISING_REPORT:
3047 hci_le_adv_report_evt(hdev, skb);
3048 break;
3049
a7a595f6
VCG
3050 case HCI_EV_LE_LTK_REQ:
3051 hci_le_ltk_request_evt(hdev, skb);
3052 break;
3053
fcd89c09
VT
3054 default:
3055 break;
3056 }
3057}
3058
a9de9248
MH
3059void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
3060{
3061 struct hci_event_hdr *hdr = (void *) skb->data;
3062 __u8 event = hdr->evt;
3063
3064 skb_pull(skb, HCI_EVENT_HDR_SIZE);
3065
3066 switch (event) {
1da177e4
LT
3067 case HCI_EV_INQUIRY_COMPLETE:
3068 hci_inquiry_complete_evt(hdev, skb);
3069 break;
3070
3071 case HCI_EV_INQUIRY_RESULT:
3072 hci_inquiry_result_evt(hdev, skb);
3073 break;
3074
a9de9248
MH
3075 case HCI_EV_CONN_COMPLETE:
3076 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH
3077 break;
3078
1da177e4
LT
3079 case HCI_EV_CONN_REQUEST:
3080 hci_conn_request_evt(hdev, skb);
3081 break;
3082
1da177e4
LT
3083 case HCI_EV_DISCONN_COMPLETE:
3084 hci_disconn_complete_evt(hdev, skb);
3085 break;
3086
1da177e4
LT
3087 case HCI_EV_AUTH_COMPLETE:
3088 hci_auth_complete_evt(hdev, skb);
3089 break;
3090
a9de9248
MH
3091 case HCI_EV_REMOTE_NAME:
3092 hci_remote_name_evt(hdev, skb);
3093 break;
3094
1da177e4
LT
3095 case HCI_EV_ENCRYPT_CHANGE:
3096 hci_encrypt_change_evt(hdev, skb);
3097 break;
3098
a9de9248
MH
3099 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
3100 hci_change_link_key_complete_evt(hdev, skb);
3101 break;
3102
3103 case HCI_EV_REMOTE_FEATURES:
3104 hci_remote_features_evt(hdev, skb);
3105 break;
3106
3107 case HCI_EV_REMOTE_VERSION:
3108 hci_remote_version_evt(hdev, skb);
3109 break;
3110
3111 case HCI_EV_QOS_SETUP_COMPLETE:
3112 hci_qos_setup_complete_evt(hdev, skb);
3113 break;
3114
3115 case HCI_EV_CMD_COMPLETE:
3116 hci_cmd_complete_evt(hdev, skb);
3117 break;
3118
3119 case HCI_EV_CMD_STATUS:
3120 hci_cmd_status_evt(hdev, skb);
3121 break;
3122
3123 case HCI_EV_ROLE_CHANGE:
3124 hci_role_change_evt(hdev, skb);
3125 break;
3126
3127 case HCI_EV_NUM_COMP_PKTS:
3128 hci_num_comp_pkts_evt(hdev, skb);
3129 break;
3130
3131 case HCI_EV_MODE_CHANGE:
3132 hci_mode_change_evt(hdev, skb);
1da177e4
LT
3133 break;
3134
3135 case HCI_EV_PIN_CODE_REQ:
3136 hci_pin_code_request_evt(hdev, skb);
3137 break;
3138
3139 case HCI_EV_LINK_KEY_REQ:
3140 hci_link_key_request_evt(hdev, skb);
3141 break;
3142
3143 case HCI_EV_LINK_KEY_NOTIFY:
3144 hci_link_key_notify_evt(hdev, skb);
3145 break;
3146
3147 case HCI_EV_CLOCK_OFFSET:
3148 hci_clock_offset_evt(hdev, skb);
3149 break;
3150
a8746417
MH
3151 case HCI_EV_PKT_TYPE_CHANGE:
3152 hci_pkt_type_change_evt(hdev, skb);
3153 break;
3154
85a1e930
MH
3155 case HCI_EV_PSCAN_REP_MODE:
3156 hci_pscan_rep_mode_evt(hdev, skb);
3157 break;
3158
a9de9248
MH
3159 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
3160 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH
3161 break;
3162
a9de9248
MH
3163 case HCI_EV_REMOTE_EXT_FEATURES:
3164 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT
3165 break;
3166
a9de9248
MH
3167 case HCI_EV_SYNC_CONN_COMPLETE:
3168 hci_sync_conn_complete_evt(hdev, skb);
3169 break;
1da177e4 3170
a9de9248
MH
3171 case HCI_EV_SYNC_CONN_CHANGED:
3172 hci_sync_conn_changed_evt(hdev, skb);
3173 break;
1da177e4 3174
a9de9248
MH
3175 case HCI_EV_SNIFF_SUBRATE:
3176 hci_sniff_subrate_evt(hdev, skb);
3177 break;
1da177e4 3178
a9de9248
MH
3179 case HCI_EV_EXTENDED_INQUIRY_RESULT:
3180 hci_extended_inquiry_result_evt(hdev, skb);
3181 break;
1da177e4 3182
0493684e
MH
3183 case HCI_EV_IO_CAPA_REQUEST:
3184 hci_io_capa_request_evt(hdev, skb);
3185 break;
3186
03b555e1
JH
3187 case HCI_EV_IO_CAPA_REPLY:
3188 hci_io_capa_reply_evt(hdev, skb);
3189 break;
3190
a5c29683
JH
3191 case HCI_EV_USER_CONFIRM_REQUEST:
3192 hci_user_confirm_request_evt(hdev, skb);
3193 break;
3194
1143d458
BG
3195 case HCI_EV_USER_PASSKEY_REQUEST:
3196 hci_user_passkey_request_evt(hdev, skb);
3197 break;
3198
0493684e
MH
3199 case HCI_EV_SIMPLE_PAIR_COMPLETE:
3200 hci_simple_pair_complete_evt(hdev, skb);
3201 break;
3202
41a96212
MH
3203 case HCI_EV_REMOTE_HOST_FEATURES:
3204 hci_remote_host_features_evt(hdev, skb);
3205 break;
3206
fcd89c09
VT
3207 case HCI_EV_LE_META:
3208 hci_le_meta_evt(hdev, skb);
3209 break;
3210
2763eda6
SJ
3211 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
3212 hci_remote_oob_data_request_evt(hdev, skb);
3213 break;
3214
a9de9248
MH
3215 default:
3216 BT_DBG("%s event 0x%x", hdev->name, event);
1da177e4
LT
3217 break;
3218 }
3219
3220 kfree_skb(skb);
3221 hdev->stat.evt_rx++;
3222}
3223
3224/* Generate internal stack event */
3225void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
3226{
3227 struct hci_event_hdr *hdr;
3228 struct hci_ev_stack_internal *ev;
3229 struct sk_buff *skb;
3230
3231 skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
3232 if (!skb)
3233 return;
3234
3235 hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
3236 hdr->evt = HCI_EV_STACK_INTERNAL;
3237 hdr->plen = sizeof(*ev) + dlen;
3238
3239 ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
3240 ev->type = type;
3241 memcpy(ev->data, data, dlen);
3242
576c7d85 3243 bt_cb(skb)->incoming = 1;
a61bbcf2 3244 __net_timestamp(skb);
576c7d85 3245
0d48d939 3246 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
1da177e4 3247 skb->dev = (void *) hdev;
eec8d2bc 3248 hci_send_to_sock(hdev, skb, NULL);
1da177e4
LT
3249 kfree_skb(skb);
3250}
e6100a25 3251
669bb396 3252module_param(enable_le, bool, 0644);
e6100a25 3253MODULE_PARM_DESC(enable_le, "Enable LE support");