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Merge remote-tracking branches 'asoc/topic/rt5670', 'asoc/topic/rt5677', 'asoc/topic...
[linux-2.6-block.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 <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
7024728e 33#include "a2mp.h"
7ef9fbf0 34#include "amp.h"
2ceba539 35#include "smp.h"
1da177e4 36
1da177e4
LT		 37/* Handle HCI Event packets */
38
a9de9248 39static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 40{
a9de9248 41 __u8 status = *((__u8 *) skb->data);
1da177e4 42
9f1db00c 43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 44
82f4785c 45 if (status)
a9de9248 46 return;
1da177e4 47
89352e7d 48 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 51
50143a43
JH		 52 hci_dev_lock(hdev);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
54 hci_dev_unlock(hdev);
55
a9de9248
MH		 56 hci_conn_check_pending(hdev);
57}
6bd57416 58
4d93483b
AG		 59static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
60{
61 __u8 status = *((__u8 *) skb->data);
62
9f1db00c 63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 64
65 if (status)
66 return;
67
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG		 69}
70
a9de9248
MH		 71static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
72{
73 __u8 status = *((__u8 *) skb->data);
6bd57416 74
9f1db00c 75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 76
a9de9248
MH		 77 if (status)
78 return;
1da177e4 79
ae854a70
AG		 80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
81
a9de9248
MH		 82 hci_conn_check_pending(hdev);
83}
84
807deac2
GP		 85static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
86 struct sk_buff *skb)
a9de9248
MH		 87{
88 BT_DBG("%s", hdev->name);
89}
90
91static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
92{
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
95
9f1db00c 96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 97
98 if (rp->status)
99 return;
100
101 hci_dev_lock(hdev);
102
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 104 if (conn)
105 conn->role = rp->role;
a9de9248
MH		 106
107 hci_dev_unlock(hdev);
1da177e4
LT		 108}
109
e4e8e37c
MH		 110static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
111{
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
114
9f1db00c 115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 116
117 if (rp->status)
118 return;
119
120 hci_dev_lock(hdev);
121
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
123 if (conn)
124 conn->link_policy = __le16_to_cpu(rp->policy);
125
126 hci_dev_unlock(hdev);
127}
128
a9de9248 129static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 130{
a9de9248 131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 132 struct hci_conn *conn;
04837f64 133 void *sent;
1da177e4 134
9f1db00c 135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 136
a9de9248
MH		 137 if (rp->status)
138 return;
1da177e4 139
a9de9248
MH		 140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
141 if (!sent)
142 return;
1da177e4 143
a9de9248 144 hci_dev_lock(hdev);
1da177e4 145
a9de9248 146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 147 if (conn)
83985319 148 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 149
a9de9248
MH		 150 hci_dev_unlock(hdev);
151}
1da177e4 152
807deac2
GP		 153static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
154 struct sk_buff *skb)
e4e8e37c
MH		 155{
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
157
9f1db00c 158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 159
160 if (rp->status)
161 return;
162
163 hdev->link_policy = __le16_to_cpu(rp->policy);
164}
165
807deac2
GP		 166static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
167 struct sk_buff *skb)
e4e8e37c
MH		 168{
169 __u8 status = *((__u8 *) skb->data);
170 void *sent;
171
9f1db00c 172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 173
45296acd
MH		 174 if (status)
175 return;
176
e4e8e37c
MH		 177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
178 if (!sent)
179 return;
180
45296acd 181 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 182}
183
a9de9248
MH		 184static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
185{
186 __u8 status = *((__u8 *) skb->data);
04837f64 187
9f1db00c 188 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 189
10572132
GP		 190 clear_bit(HCI_RESET, &hdev->flags);
191
8761f9d6
MH		 192 if (status)
193 return;
194
a297e97c 195 /* Reset all non-persistent flags */
2cc6fb00 196 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 197
198 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 199 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
200 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 201
202 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
203 hdev->adv_data_len = 0;
f8e808bd
MH		 204
205 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
206 hdev->scan_rsp_data_len = 0;
06f5b778 207
533553f8
MH		 208 hdev->le_scan_type = LE_SCAN_PASSIVE;
209
06f5b778 210 hdev->ssp_debug_mode = 0;
a4d5504d
MH		 211
212 hci_bdaddr_list_clear(&hdev->le_white_list);
a9de9248 213}
04837f64 214
a9de9248
MH		 215static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
216{
217 __u8 status = *((__u8 *) skb->data);
218 void *sent;
04837f64 219
9f1db00c 220 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 221
a9de9248
MH		 222 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
223 if (!sent)
224 return;
04837f64 225
56e5cb86
JH		 226 hci_dev_lock(hdev);
227
f51d5b24
JH		 228 if (test_bit(HCI_MGMT, &hdev->dev_flags))
229 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 230 else if (!status)
231 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 232
56e5cb86 233 hci_dev_unlock(hdev);
a9de9248
MH		 234}
235
236static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
237{
238 struct hci_rp_read_local_name *rp = (void *) skb->data;
239
9f1db00c 240 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 241
242 if (rp->status)
243 return;
244
8bfe8442
MH		 245 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
246 test_bit(HCI_CONFIG, &hdev->dev_flags))
db99b5fc 247 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 248}
249
250static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
251{
252 __u8 status = *((__u8 *) skb->data);
253 void *sent;
254
9f1db00c 255 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 256
257 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
258 if (!sent)
259 return;
260
5c1a4c8f
JK		 261 hci_dev_lock(hdev);
262
a9de9248
MH		 263 if (!status) {
264 __u8 param = *((__u8 *) sent);
265
266 if (param == AUTH_ENABLED)
267 set_bit(HCI_AUTH, &hdev->flags);
268 else
269 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 270 }
a9de9248 271
33ef95ed
JH		 272 if (test_bit(HCI_MGMT, &hdev->dev_flags))
273 mgmt_auth_enable_complete(hdev, status);
5c1a4c8f
JK		 274
275 hci_dev_unlock(hdev);
1da177e4
LT		 276}
277
a9de9248 278static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 279{
a9de9248 280 __u8 status = *((__u8 *) skb->data);
45296acd 281 __u8 param;
1da177e4
LT		 282 void *sent;
283
9f1db00c 284 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 285
45296acd
MH		 286 if (status)
287 return;
288
a9de9248
MH		 289 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
290 if (!sent)
291 return;
1da177e4 292
45296acd 293 param = *((__u8 *) sent);
a9de9248 294
45296acd
MH		 295 if (param)
296 set_bit(HCI_ENCRYPT, &hdev->flags);
297 else
298 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 299}
1da177e4 300
a9de9248
MH		 301static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
302{
45296acd
MH		 303 __u8 status = *((__u8 *) skb->data);
304 __u8 param;
a9de9248 305 void *sent;
1da177e4 306
9f1db00c 307 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 308
a9de9248
MH		 309 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
310 if (!sent)
311 return;
1da177e4 312
36f7fc7e
JH		 313 param = *((__u8 *) sent);
314
56e5cb86
JH		 315 hci_dev_lock(hdev);
316
fa1bd918 317 if (status) {
2d7cee58
JH		 318 hdev->discov_timeout = 0;
319 goto done;
320 }
321
bc6d2d04 322 if (param & SCAN_INQUIRY)
36f7fc7e 323 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 324 else
325 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 326
031547d8 327 if (param & SCAN_PAGE)
36f7fc7e 328 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04 329 else
204e3990 330 clear_bit(HCI_PSCAN, &hdev->flags);
1da177e4 331
36f7fc7e 332done:
56e5cb86 333 hci_dev_unlock(hdev);
a9de9248 334}
1da177e4 335
a9de9248
MH		 336static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
337{
338 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 339
9f1db00c 340 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 341
a9de9248
MH		 342 if (rp->status)
343 return;
1da177e4 344
a9de9248 345 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 346
a9de9248 347 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 348 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 349}
1da177e4 350
a9de9248
MH		 351static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
352{
353 __u8 status = *((__u8 *) skb->data);
354 void *sent;
1da177e4 355
9f1db00c 356 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 357
a9de9248
MH		 358 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
359 if (!sent)
360 return;
1da177e4 361
7f9a903c
MH		 362 hci_dev_lock(hdev);
363
364 if (status == 0)
365 memcpy(hdev->dev_class, sent, 3);
366
367 if (test_bit(HCI_MGMT, &hdev->dev_flags))
368 mgmt_set_class_of_dev_complete(hdev, sent, status);
369
370 hci_dev_unlock(hdev);
a9de9248 371}
1da177e4 372
a9de9248
MH		 373static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
374{
375 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
376 __u16 setting;
377
9f1db00c 378 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 379
380 if (rp->status)
381 return;
382
383 setting = __le16_to_cpu(rp->voice_setting);
384
f383f275 385 if (hdev->voice_setting == setting)
a9de9248
MH		 386 return;
387
388 hdev->voice_setting = setting;
389
9f1db00c 390 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 391
3c54711c 392 if (hdev->notify)
a9de9248 393 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 394}
395
8fc9ced3
GP		 396static void hci_cc_write_voice_setting(struct hci_dev *hdev,
397 struct sk_buff *skb)
a9de9248
MH		 398{
399 __u8 status = *((__u8 *) skb->data);
f383f275 400 __u16 setting;
a9de9248
MH		 401 void *sent;
402
9f1db00c 403 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 404
f383f275
MH		 405 if (status)
406 return;
407
a9de9248
MH		 408 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
409 if (!sent)
410 return;
1da177e4 411
f383f275 412 setting = get_unaligned_le16(sent);
1da177e4 413
f383f275
MH		 414 if (hdev->voice_setting == setting)
415 return;
416
417 hdev->voice_setting = setting;
1da177e4 418
9f1db00c 419 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 420
3c54711c 421 if (hdev->notify)
f383f275 422 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 423}
424
b4cb9fb2
MH		 425static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
426 struct sk_buff *skb)
427{
428 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
429
430 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
431
432 if (rp->status)
433 return;
434
435 hdev->num_iac = rp->num_iac;
436
437 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
438}
439
333140b5
MH		 440static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
441{
442 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 443 struct hci_cp_write_ssp_mode *sent;
333140b5 444
9f1db00c 445 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 446
333140b5
MH		 447 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
448 if (!sent)
449 return;
450
5c1a4c8f
JK		 451 hci_dev_lock(hdev);
452
5ed8eb2f
JH		 453 if (!status) {
454 if (sent->mode)
cad718ed 455 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 456 else
cad718ed 457 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 458 }
459
ed2c4ee3 460 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 461 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 462 else if (!status) {
5ed8eb2f 463 if (sent->mode)
c0ecddc2
JH		 464 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
465 else
466 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
467 }
5c1a4c8f
JK		 468
469 hci_dev_unlock(hdev);
333140b5
MH		 470}
471
eac83dc6
MH		 472static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
473{
474 u8 status = *((u8 *) skb->data);
475 struct hci_cp_write_sc_support *sent;
476
477 BT_DBG("%s status 0x%2.2x", hdev->name, status);
478
479 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
480 if (!sent)
481 return;
482
5c1a4c8f
JK		 483 hci_dev_lock(hdev);
484
eac83dc6
MH		 485 if (!status) {
486 if (sent->support)
487 hdev->features[1][0] |= LMP_HOST_SC;
488 else
489 hdev->features[1][0] &= ~LMP_HOST_SC;
490 }
491
492 if (test_bit(HCI_MGMT, &hdev->dev_flags))
493 mgmt_sc_enable_complete(hdev, sent->support, status);
494 else if (!status) {
495 if (sent->support)
496 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
497 else
498 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
499 }
5c1a4c8f
JK		 500
501 hci_dev_unlock(hdev);
eac83dc6
MH		 502}
503
a9de9248
MH		 504static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
505{
506 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 507
9f1db00c 508 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 509
a9de9248 510 if (rp->status)
42c6b129 511 return;
1143e5a6 512
8bfe8442
MH		 513 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
514 test_bit(HCI_CONFIG, &hdev->dev_flags)) {
0d5551f5
MH		 515 hdev->hci_ver = rp->hci_ver;
516 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
517 hdev->lmp_ver = rp->lmp_ver;
518 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
519 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
520 }
d5859e22
JH		 521}
522
8fc9ced3
GP		 523static void hci_cc_read_local_commands(struct hci_dev *hdev,
524 struct sk_buff *skb)
a9de9248
MH		 525{
526 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 527
9f1db00c 528 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 529
6a070e6e
MH		 530 if (rp->status)
531 return;
532
8bfe8442
MH		 533 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
534 test_bit(HCI_CONFIG, &hdev->dev_flags))
2177bab5 535 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 536}
1da177e4 537
8fc9ced3
GP		 538static void hci_cc_read_local_features(struct hci_dev *hdev,
539 struct sk_buff *skb)
a9de9248
MH		 540{
541 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 542
9f1db00c 543 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 544
a9de9248
MH		 545 if (rp->status)
546 return;
5b7f9909 547
a9de9248 548 memcpy(hdev->features, rp->features, 8);
5b7f9909 549
a9de9248
MH		 550 /* Adjust default settings according to features
551 * supported by device. */
1da177e4 552
cad718ed 553 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 554 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 555
cad718ed 556 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 557 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 558
cad718ed 559 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 560 hdev->pkt_type |= (HCI_HV2);
561 hdev->esco_type |= (ESCO_HV2);
562 }
1da177e4 563
cad718ed 564 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 565 hdev->pkt_type |= (HCI_HV3);
566 hdev->esco_type |= (ESCO_HV3);
567 }
1da177e4 568
45db810f 569 if (lmp_esco_capable(hdev))
a9de9248 570 hdev->esco_type |= (ESCO_EV3);
da1f5198 571
cad718ed 572 if (hdev->features[0][4] & LMP_EV4)
a9de9248 573 hdev->esco_type |= (ESCO_EV4);
da1f5198 574
cad718ed 575 if (hdev->features[0][4] & LMP_EV5)
a9de9248 576 hdev->esco_type |= (ESCO_EV5);
1da177e4 577
cad718ed 578 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 579 hdev->esco_type |= (ESCO_2EV3);
580
cad718ed 581 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 582 hdev->esco_type |= (ESCO_3EV3);
583
cad718ed 584 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 585 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 586}
1da177e4 587
971e3a4b 588static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 589 struct sk_buff *skb)
971e3a4b
AG		 590{
591 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
592
9f1db00c 593 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 594
595 if (rp->status)
42c6b129 596 return;
971e3a4b 597
57af75a8
MH		 598 if (hdev->max_page < rp->max_page)
599 hdev->max_page = rp->max_page;
d2c5d77f 600
cad718ed
JH		 601 if (rp->page < HCI_MAX_PAGES)
602 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 603}
604
1e89cffb 605static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 606 struct sk_buff *skb)
1e89cffb
AE		 607{
608 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
609
9f1db00c 610 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 611
45296acd
MH		 612 if (rp->status)
613 return;
614
615 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 616}
617
a9de9248
MH		 618static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
619{
620 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 621
9f1db00c 622 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 623
a9de9248
MH		 624 if (rp->status)
625 return;
1da177e4 626
a9de9248
MH		 627 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
628 hdev->sco_mtu = rp->sco_mtu;
629 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
630 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
631
632 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
633 hdev->sco_mtu = 64;
634 hdev->sco_pkts = 8;
1da177e4 635 }
a9de9248
MH		 636
637 hdev->acl_cnt = hdev->acl_pkts;
638 hdev->sco_cnt = hdev->sco_pkts;
639
807deac2
GP		 640 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
641 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 642}
643
644static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
645{
646 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
647
9f1db00c 648 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 649
e30d3f5f
MH		 650 if (rp->status)
651 return;
652
653 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 654 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 655
656 if (test_bit(HCI_SETUP, &hdev->dev_flags))
657 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 658}
659
f332ec66
JH		 660static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
661 struct sk_buff *skb)
662{
663 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
664
665 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
666
45296acd
MH		 667 if (rp->status)
668 return;
669
670 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 671 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
672 hdev->page_scan_window = __le16_to_cpu(rp->window);
673 }
674}
675
4a3ee763
JH		 676static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
677 struct sk_buff *skb)
678{
679 u8 status = *((u8 *) skb->data);
680 struct hci_cp_write_page_scan_activity *sent;
681
682 BT_DBG("%s status 0x%2.2x", hdev->name, status);
683
684 if (status)
685 return;
686
687 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
688 if (!sent)
689 return;
690
691 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
692 hdev->page_scan_window = __le16_to_cpu(sent->window);
693}
694
f332ec66
JH		 695static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
696 struct sk_buff *skb)
697{
698 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
699
700 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
701
45296acd
MH		 702 if (rp->status)
703 return;
704
705 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 706 hdev->page_scan_type = rp->type;
707}
708
4a3ee763
JH		 709static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
710 struct sk_buff *skb)
711{
712 u8 status = *((u8 *) skb->data);
713 u8 *type;
714
715 BT_DBG("%s status 0x%2.2x", hdev->name, status);
716
717 if (status)
718 return;
719
720 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
721 if (type)
722 hdev->page_scan_type = *type;
723}
724
350ee4cf 725static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 726 struct sk_buff *skb)
350ee4cf
AE		 727{
728 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
729
9f1db00c 730 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 731
732 if (rp->status)
733 return;
734
735 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
736 hdev->block_len = __le16_to_cpu(rp->block_len);
737 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
738
739 hdev->block_cnt = hdev->num_blocks;
740
741 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 742 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 743}
744
33f35721
JH		 745static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
746{
747 struct hci_rp_read_clock *rp = (void *) skb->data;
748 struct hci_cp_read_clock *cp;
749 struct hci_conn *conn;
750
751 BT_DBG("%s", hdev->name);
752
753 if (skb->len < sizeof(*rp))
754 return;
755
756 if (rp->status)
757 return;
758
759 hci_dev_lock(hdev);
760
761 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
762 if (!cp)
763 goto unlock;
764
765 if (cp->which == 0x00) {
766 hdev->clock = le32_to_cpu(rp->clock);
767 goto unlock;
768 }
769
770 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
771 if (conn) {
772 conn->clock = le32_to_cpu(rp->clock);
773 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
774 }
775
776unlock:
777 hci_dev_unlock(hdev);
778}
779
928abaa7 780static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 781 struct sk_buff *skb)
928abaa7
AE		 782{
783 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
784
9f1db00c 785 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 786
787 if (rp->status)
8e2a0d92 788 goto a2mp_rsp;
928abaa7
AE		 789
790 hdev->amp_status = rp->amp_status;
791 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
792 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
793 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
794 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
795 hdev->amp_type = rp->amp_type;
796 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
797 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
798 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
799 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
800
8e2a0d92
AE		 801a2mp_rsp:
802 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 803}
804
903e4541
AE		 805static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
806 struct sk_buff *skb)
807{
808 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
809 struct amp_assoc *assoc = &hdev->loc_assoc;
810 size_t rem_len, frag_len;
811
812 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
813
814 if (rp->status)
815 goto a2mp_rsp;
816
817 frag_len = skb->len - sizeof(*rp);
818 rem_len = __le16_to_cpu(rp->rem_len);
819
820 if (rem_len > frag_len) {
2e430be3 821 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 822
823 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
824 assoc->offset += frag_len;
825
826 /* Read other fragments */
827 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
828
829 return;
830 }
831
832 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
833 assoc->len = assoc->offset + rem_len;
834 assoc->offset = 0;
835
836a2mp_rsp:
837 /* Send A2MP Rsp when all fragments are received */
838 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 839 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 840}
841
d5859e22 842static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 843 struct sk_buff *skb)
d5859e22 844{
91c4e9b1 845 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 846
9f1db00c 847 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 848
45296acd
MH		 849 if (rp->status)
850 return;
851
852 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 853}
854
980e1a53
JH		 855static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
856{
857 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
858 struct hci_cp_pin_code_reply *cp;
859 struct hci_conn *conn;
860
9f1db00c 861 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 862
56e5cb86
JH		 863 hci_dev_lock(hdev);
864
a8b2d5c2 865 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 866 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 867
fa1bd918 868 if (rp->status)
56e5cb86 869 goto unlock;
980e1a53
JH		 870
871 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
872 if (!cp)
56e5cb86 873 goto unlock;
980e1a53
JH		 874
875 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
876 if (conn)
877 conn->pin_length = cp->pin_len;
56e5cb86
JH		 878
879unlock:
880 hci_dev_unlock(hdev);
980e1a53
JH		 881}
882
883static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
884{
885 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
886
9f1db00c 887 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 888
56e5cb86
JH		 889 hci_dev_lock(hdev);
890
a8b2d5c2 891 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 892 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 893 rp->status);
56e5cb86
JH		 894
895 hci_dev_unlock(hdev);
980e1a53 896}
56e5cb86 897
6ed58ec5
VT		 898static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
899 struct sk_buff *skb)
900{
901 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
902
9f1db00c 903 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 904
905 if (rp->status)
906 return;
907
908 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
909 hdev->le_pkts = rp->le_max_pkt;
910
911 hdev->le_cnt = hdev->le_pkts;
912
913 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 914}
980e1a53 915
60e77321
JH		 916static void hci_cc_le_read_local_features(struct hci_dev *hdev,
917 struct sk_buff *skb)
918{
919 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
920
921 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
922
45296acd
MH		 923 if (rp->status)
924 return;
925
926 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 927}
928
8fa19098
JH		 929static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
930 struct sk_buff *skb)
931{
932 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
933
934 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
935
45296acd
MH		 936 if (rp->status)
937 return;
938
939 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 940}
941
a5c29683
JH		 942static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
943{
944 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
945
9f1db00c 946 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 947
56e5cb86
JH		 948 hci_dev_lock(hdev);
949
a8b2d5c2 950 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 951 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
952 rp->status);
56e5cb86
JH		 953
954 hci_dev_unlock(hdev);
a5c29683
JH		 955}
956
957static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 958 struct sk_buff *skb)
a5c29683
JH		 959{
960 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
961
9f1db00c 962 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 963
56e5cb86
JH		 964 hci_dev_lock(hdev);
965
a8b2d5c2 966 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 967 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 968 ACL_LINK, 0, rp->status);
56e5cb86
JH		 969
970 hci_dev_unlock(hdev);
a5c29683
JH		 971}
972
1143d458
BG		 973static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
974{
975 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
976
9f1db00c 977 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 978
979 hci_dev_lock(hdev);
980
a8b2d5c2 981 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 982 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 983 0, rp->status);
1143d458
BG		 984
985 hci_dev_unlock(hdev);
986}
987
988static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 989 struct sk_buff *skb)
1143d458
BG		 990{
991 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
992
9f1db00c 993 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 994
995 hci_dev_lock(hdev);
996
a8b2d5c2 997 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 998 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 999 ACL_LINK, 0, rp->status);
1143d458
BG		 1000
1001 hci_dev_unlock(hdev);
1002}
1003
4d2d2796
MH		 1004static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
1005 struct sk_buff *skb)
c35938b2
SJ		 1006{
1007 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1008
9f1db00c 1009 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 1010
56e5cb86 1011 hci_dev_lock(hdev);
38da1703
JH		 1012 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->rand, NULL, NULL,
1013 rp->status);
4d2d2796
MH		 1014 hci_dev_unlock(hdev);
1015}
1016
1017static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1018 struct sk_buff *skb)
1019{
1020 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1021
1022 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1023
1024 hci_dev_lock(hdev);
38da1703
JH		 1025 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->rand192,
1026 rp->hash256, rp->rand256,
4d2d2796 1027 rp->status);
56e5cb86 1028 hci_dev_unlock(hdev);
c35938b2
SJ		 1029}
1030
7a4cd51d
MH		 1031
1032static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1033{
1034 __u8 status = *((__u8 *) skb->data);
1035 bdaddr_t *sent;
1036
1037 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1038
45296acd
MH		 1039 if (status)
1040 return;
1041
7a4cd51d
MH		 1042 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1043 if (!sent)
1044 return;
1045
1046 hci_dev_lock(hdev);
1047
45296acd 1048 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1049
1050 hci_dev_unlock(hdev);
1051}
1052
c1d5dc4a
JH		 1053static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1054{
1055 __u8 *sent, status = *((__u8 *) skb->data);
1056
1057 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1058
45296acd 1059 if (status)
c1d5dc4a
JH		 1060 return;
1061
45296acd
MH		 1062 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1063 if (!sent)
3c857757
JH		 1064 return;
1065
c1d5dc4a
JH		 1066 hci_dev_lock(hdev);
1067
49c922bb 1068 /* If we're doing connection initiation as peripheral. Set a
3c857757
JH		 1069 * timeout in case something goes wrong.
1070 */
1071 if (*sent) {
1072 struct hci_conn *conn;
1073
66c417c1
JH		 1074 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1075
3c857757
JH		 1076 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1077 if (conn)
1078 queue_delayed_work(hdev->workqueue,
1079 &conn->le_conn_timeout,
09ae260b 1080 conn->conn_timeout);
66c417c1
JH		 1081 } else {
1082 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1083 }
1084
04b4edcb 1085 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1086}
1087
533553f8
MH		 1088static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1089{
1090 struct hci_cp_le_set_scan_param *cp;
1091 __u8 status = *((__u8 *) skb->data);
1092
1093 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1094
45296acd
MH		 1095 if (status)
1096 return;
1097
533553f8
MH		 1098 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1099 if (!cp)
1100 return;
1101
1102 hci_dev_lock(hdev);
1103
45296acd 1104 hdev->le_scan_type = cp->type;
533553f8
MH		 1105
1106 hci_dev_unlock(hdev);
1107}
1108
b9a6328f
JH		 1109static bool has_pending_adv_report(struct hci_dev *hdev)
1110{
1111 struct discovery_state *d = &hdev->discovery;
1112
1113 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1114}
1115
1116static void clear_pending_adv_report(struct hci_dev *hdev)
1117{
1118 struct discovery_state *d = &hdev->discovery;
1119
1120 bacpy(&d->last_adv_addr, BDADDR_ANY);
1121 d->last_adv_data_len = 0;
1122}
1123
1124static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1125 u8 bdaddr_type, s8 rssi, u32 flags,
1126 u8 *data, u8 len)
b9a6328f
JH		 1127{
1128 struct discovery_state *d = &hdev->discovery;
1129
1130 bacpy(&d->last_adv_addr, bdaddr);
1131 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1132 d->last_adv_rssi = rssi;
c70a7e4c 1133 d->last_adv_flags = flags;
b9a6328f
JH		 1134 memcpy(d->last_adv_data, data, len);
1135 d->last_adv_data_len = len;
1136}
1137
eb9d91f5 1138static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1139 struct sk_buff *skb)
eb9d91f5
AG		 1140{
1141 struct hci_cp_le_set_scan_enable *cp;
1142 __u8 status = *((__u8 *) skb->data);
1143
9f1db00c 1144 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1145
45296acd 1146 if (status)
eb9d91f5
AG		 1147 return;
1148
45296acd
MH		 1149 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1150 if (!cp)
3fd319b8
AG		 1151 return;
1152
5c1a4c8f
JK		 1153 hci_dev_lock(hdev);
1154
68a8aea4 1155 switch (cp->enable) {
76a388be 1156 case LE_SCAN_ENABLE:
d23264a8 1157 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1158 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1159 clear_pending_adv_report(hdev);
68a8aea4
AE		 1160 break;
1161
76a388be 1162 case LE_SCAN_DISABLE:
b9a6328f
JH		 1163 /* We do this here instead of when setting DISCOVERY_STOPPED
1164 * since the latter would potentially require waiting for
1165 * inquiry to stop too.
1166 */
1167 if (has_pending_adv_report(hdev)) {
1168 struct discovery_state *d = &hdev->discovery;
1169
1170 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1171 d->last_adv_addr_type, NULL,
c70a7e4c 1172 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1173 d->last_adv_data,
b9a6328f
JH		 1174 d->last_adv_data_len, NULL, 0);
1175 }
1176
317ac8cb
JH		 1177 /* Cancel this timer so that we don't try to disable scanning
1178 * when it's already disabled.
1179 */
1180 cancel_delayed_work(&hdev->le_scan_disable);
1181
d23264a8 1182 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1183
81ad6fd9
JH		 1184 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1185 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1186 * therefore discovery as stopped. If this was not
1187 * because of a connect request advertising might have
1188 * been disabled because of active scanning, so
1189 * re-enable it again if necessary.
81ad6fd9
JH		 1190 */
1191 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1192 &hdev->dev_flags))
1193 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1194 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1195 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1196 mgmt_reenable_advertising(hdev);
1197
68a8aea4
AE		 1198 break;
1199
1200 default:
1201 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1202 break;
35815085 1203 }
5c1a4c8f
JK		 1204
1205 hci_dev_unlock(hdev);
eb9d91f5
AG		 1206}
1207
cf1d081f
JH		 1208static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1209 struct sk_buff *skb)
1210{
1211 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1212
1213 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1214
45296acd
MH		 1215 if (rp->status)
1216 return;
1217
1218 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1219}
1220
0f36b589
MH		 1221static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1222 struct sk_buff *skb)
1223{
1224 __u8 status = *((__u8 *) skb->data);
1225
1226 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1227
45296acd
MH		 1228 if (status)
1229 return;
1230
dcc36c16 1231 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1232}
1233
1234static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1235 struct sk_buff *skb)
1236{
1237 struct hci_cp_le_add_to_white_list *sent;
1238 __u8 status = *((__u8 *) skb->data);
1239
1240 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1241
45296acd
MH		 1242 if (status)
1243 return;
1244
0f36b589
MH		 1245 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1246 if (!sent)
1247 return;
1248
dcc36c16
JH		 1249 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1250 sent->bdaddr_type);
0f36b589
MH		 1251}
1252
1253static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1254 struct sk_buff *skb)
1255{
1256 struct hci_cp_le_del_from_white_list *sent;
1257 __u8 status = *((__u8 *) skb->data);
1258
1259 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1260
45296acd
MH		 1261 if (status)
1262 return;
1263
0f36b589
MH		 1264 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1265 if (!sent)
1266 return;
1267
dcc36c16
JH		 1268 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1269 sent->bdaddr_type);
0f36b589
MH		 1270}
1271
9b008c04
JH		 1272static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1273 struct sk_buff *skb)
1274{
1275 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1276
1277 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1278
45296acd
MH		 1279 if (rp->status)
1280 return;
1281
1282 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1283}
1284
6039aa73
GP		 1285static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1286 struct sk_buff *skb)
f9b49306 1287{
06199cf8 1288 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1289 __u8 status = *((__u8 *) skb->data);
1290
9f1db00c 1291 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1292
45296acd
MH		 1293 if (status)
1294 return;
1295
06199cf8 1296 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1297 if (!sent)
f9b49306
AG		 1298 return;
1299
5c1a4c8f
JK		 1300 hci_dev_lock(hdev);
1301
45296acd
MH		 1302 if (sent->le) {
1303 hdev->features[1][0] |= LMP_HOST_LE;
1304 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1305 } else {
1306 hdev->features[1][0] &= ~LMP_HOST_LE;
1307 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1308 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1309 }
45296acd
MH		 1310
1311 if (sent->simul)
1312 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1313 else
1314 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
5c1a4c8f
JK		 1315
1316 hci_dev_unlock(hdev);
f9b49306
AG		 1317}
1318
56ed2cb8
JH		 1319static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1320{
1321 struct hci_cp_le_set_adv_param *cp;
1322 u8 status = *((u8 *) skb->data);
1323
1324 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1325
1326 if (status)
1327 return;
1328
1329 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1330 if (!cp)
1331 return;
1332
1333 hci_dev_lock(hdev);
1334 hdev->adv_addr_type = cp->own_address_type;
1335 hci_dev_unlock(hdev);
1336}
1337
93c284ee
AE		 1338static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1339 struct sk_buff *skb)
1340{
1341 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1342
1343 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1344 hdev->name, rp->status, rp->phy_handle);
1345
1346 if (rp->status)
1347 return;
1348
1349 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1350}
1351
5ae76a94
AK		 1352static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1353{
1354 struct hci_rp_read_rssi *rp = (void *) skb->data;
1355 struct hci_conn *conn;
1356
1357 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1358
1359 if (rp->status)
1360 return;
1361
1362 hci_dev_lock(hdev);
1363
1364 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1365 if (conn)
1366 conn->rssi = rp->rssi;
1367
1368 hci_dev_unlock(hdev);
1369}
1370
5a134fae
AK		 1371static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1372{
1373 struct hci_cp_read_tx_power *sent;
1374 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1375 struct hci_conn *conn;
1376
1377 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1378
1379 if (rp->status)
1380 return;
1381
1382 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1383 if (!sent)
1384 return;
1385
1386 hci_dev_lock(hdev);
1387
1388 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1389 if (!conn)
1390 goto unlock;
1391
1392 switch (sent->type) {
1393 case 0x00:
5a134fae 1394 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1395 break;
1396 case 0x01:
1397 conn->max_tx_power = rp->tx_power;
1398 break;
1399 }
5a134fae 1400
d0455ed9 1401unlock:
5a134fae
AK		 1402 hci_dev_unlock(hdev);
1403}
1404
6039aa73 1405static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1406{
9f1db00c 1407 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1408
1409 if (status) {
a9de9248 1410 hci_conn_check_pending(hdev);
314b2381
JH		 1411 return;
1412 }
1413
89352e7d 1414 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1415}
1416
6039aa73 1417static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1418{
a9de9248 1419 struct hci_cp_create_conn *cp;
1da177e4 1420 struct hci_conn *conn;
1da177e4 1421
9f1db00c 1422 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1423
1424 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1425 if (!cp)
1426 return;
1427
1428 hci_dev_lock(hdev);
1429
1430 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1431
6ed93dc6 1432 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1433
1434 if (status) {
1435 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1436 if (status != 0x0c || conn->attempt > 2) {
1437 conn->state = BT_CLOSED;
1438 hci_proto_connect_cfm(conn, status);
1439 hci_conn_del(conn);
1440 } else
1441 conn->state = BT_CONNECT2;
1da177e4
LT		 1442 }
1443 } else {
1444 if (!conn) {
a5c4e309
JH		 1445 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1446 HCI_ROLE_MASTER);
1447 if (!conn)
893ef971 1448 BT_ERR("No memory for new connection");
1da177e4
LT		 1449 }
1450 }
1451
1452 hci_dev_unlock(hdev);
1453}
1454
a9de9248 1455static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1456{
a9de9248
MH		 1457 struct hci_cp_add_sco *cp;
1458 struct hci_conn *acl, *sco;
1459 __u16 handle;
1da177e4 1460
9f1db00c 1461 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1462
a9de9248
MH		 1463 if (!status)
1464 return;
1da177e4 1465
a9de9248
MH		 1466 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1467 if (!cp)
1468 return;
1da177e4 1469
a9de9248 1470 handle = __le16_to_cpu(cp->handle);
1da177e4 1471
9f1db00c 1472 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1473
a9de9248 1474 hci_dev_lock(hdev);
1da177e4 1475
a9de9248 1476 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1477 if (acl) {
1478 sco = acl->link;
1479 if (sco) {
1480 sco->state = BT_CLOSED;
1da177e4 1481
5a08ecce
AE		 1482 hci_proto_connect_cfm(sco, status);
1483 hci_conn_del(sco);
1484 }
a9de9248 1485 }
1da177e4 1486
a9de9248
MH		 1487 hci_dev_unlock(hdev);
1488}
1da177e4 1489
f8558555
MH		 1490static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1491{
1492 struct hci_cp_auth_requested *cp;
1493 struct hci_conn *conn;
1494
9f1db00c 1495 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1496
1497 if (!status)
1498 return;
1499
1500 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1501 if (!cp)
1502 return;
1503
1504 hci_dev_lock(hdev);
1505
1506 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1507 if (conn) {
1508 if (conn->state == BT_CONFIG) {
1509 hci_proto_connect_cfm(conn, status);
76a68ba0 1510 hci_conn_drop(conn);
f8558555
MH		 1511 }
1512 }
1513
1514 hci_dev_unlock(hdev);
1515}
1516
1517static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1518{
1519 struct hci_cp_set_conn_encrypt *cp;
1520 struct hci_conn *conn;
1521
9f1db00c 1522 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1523
1524 if (!status)
1525 return;
1526
1527 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1528 if (!cp)
1529 return;
1530
1531 hci_dev_lock(hdev);
1532
1533 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1534 if (conn) {
1535 if (conn->state == BT_CONFIG) {
1536 hci_proto_connect_cfm(conn, status);
76a68ba0 1537 hci_conn_drop(conn);
f8558555
MH		 1538 }
1539 }
1540
1541 hci_dev_unlock(hdev);
1542}
1543
127178d2 1544static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1545 struct hci_conn *conn)
392599b9 1546{
392599b9
JH		 1547 if (conn->state != BT_CONFIG || !conn->out)
1548 return 0;
1549
765c2a96 1550 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1551 return 0;
1552
1553 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1554 * devices with sec_level MEDIUM or HIGH or if MITM protection
1555 * is requested.
1556 */
807deac2 1557 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1558 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1559 conn->pending_sec_level != BT_SECURITY_HIGH &&
1560 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1561 return 0;
1562
392599b9
JH		 1563 return 1;
1564}
1565
6039aa73 1566static int hci_resolve_name(struct hci_dev *hdev,
04124681 1567 struct inquiry_entry *e)
30dc78e1
JH		 1568{
1569 struct hci_cp_remote_name_req cp;
1570
1571 memset(&cp, 0, sizeof(cp));
1572
1573 bacpy(&cp.bdaddr, &e->data.bdaddr);
1574 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1575 cp.pscan_mode = e->data.pscan_mode;
1576 cp.clock_offset = e->data.clock_offset;
1577
1578 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1579}
1580
b644ba33 1581static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1582{
1583 struct discovery_state *discov = &hdev->discovery;
1584 struct inquiry_entry *e;
1585
b644ba33
JH		 1586 if (list_empty(&discov->resolve))
1587 return false;
1588
1589 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1590 if (!e)
1591 return false;
1592
b644ba33
JH		 1593 if (hci_resolve_name(hdev, e) == 0) {
1594 e->name_state = NAME_PENDING;
1595 return true;
1596 }
1597
1598 return false;
1599}
1600
1601static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1602 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1603{
1604 struct discovery_state *discov = &hdev->discovery;
1605 struct inquiry_entry *e;
1606
60cb49d2
JH		 1607 /* Update the mgmt connected state if necessary. Be careful with
1608 * conn objects that exist but are not (yet) connected however.
1609 * Only those in BT_CONFIG or BT_CONNECTED states can be
1610 * considered connected.
1611 */
1612 if (conn &&
1613 (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) &&
cb77c3ec 1614 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 1615 mgmt_device_connected(hdev, conn, 0, name, name_len);
b644ba33
JH		 1616
1617 if (discov->state == DISCOVERY_STOPPED)
1618 return;
1619
30dc78e1
JH		 1620 if (discov->state == DISCOVERY_STOPPING)
1621 goto discov_complete;
1622
1623 if (discov->state != DISCOVERY_RESOLVING)
1624 return;
1625
1626 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1627 /* If the device was not found in a list of found devices names of which
1628 * are pending. there is no need to continue resolving a next name as it
1629 * will be done upon receiving another Remote Name Request Complete
1630 * Event */
1631 if (!e)
1632 return;
1633
1634 list_del(&e->list);
1635 if (name) {
30dc78e1 1636 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1637 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1638 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1639 } else {
1640 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1641 }
1642
b644ba33 1643 if (hci_resolve_next_name(hdev))
30dc78e1 1644 return;
30dc78e1
JH		 1645
1646discov_complete:
1647 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1648}
1649
a9de9248
MH		 1650static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1651{
127178d2
JH		 1652 struct hci_cp_remote_name_req *cp;
1653 struct hci_conn *conn;
1654
9f1db00c 1655 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1656
1657 /* If successful wait for the name req complete event before
1658 * checking for the need to do authentication */
1659 if (!status)
1660 return;
1661
1662 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1663 if (!cp)
1664 return;
1665
1666 hci_dev_lock(hdev);
1667
b644ba33
JH		 1668 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1669
a8b2d5c2 1670 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1671 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1672
79c6c70c
JH		 1673 if (!conn)
1674 goto unlock;
1675
1676 if (!hci_outgoing_auth_needed(hdev, conn))
1677 goto unlock;
1678
51a8efd7 1679 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1680 struct hci_cp_auth_requested auth_cp;
1681
977f8fce
JH		 1682 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1683
c1f23a2b
JB		 1684 auth_cp.handle = __cpu_to_le16(conn->handle);
1685 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1686 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1687 }
1688
79c6c70c 1689unlock:
127178d2 1690 hci_dev_unlock(hdev);
a9de9248 1691}
1da177e4 1692
769be974
MH		 1693static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1694{
1695 struct hci_cp_read_remote_features *cp;
1696 struct hci_conn *conn;
1697
9f1db00c 1698 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1699
1700 if (!status)
1701 return;
1702
1703 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1704 if (!cp)
1705 return;
1706
1707 hci_dev_lock(hdev);
1708
1709 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1710 if (conn) {
1711 if (conn->state == BT_CONFIG) {
769be974 1712 hci_proto_connect_cfm(conn, status);
76a68ba0 1713 hci_conn_drop(conn);
769be974
MH		 1714 }
1715 }
1716
1717 hci_dev_unlock(hdev);
1718}
1719
1720static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1721{
1722 struct hci_cp_read_remote_ext_features *cp;
1723 struct hci_conn *conn;
1724
9f1db00c 1725 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1726
1727 if (!status)
1728 return;
1729
1730 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1731 if (!cp)
1732 return;
1733
1734 hci_dev_lock(hdev);
1735
1736 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1737 if (conn) {
1738 if (conn->state == BT_CONFIG) {
769be974 1739 hci_proto_connect_cfm(conn, status);
76a68ba0 1740 hci_conn_drop(conn);
769be974
MH		 1741 }
1742 }
1743
1744 hci_dev_unlock(hdev);
1745}
1746
a9de9248
MH		 1747static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1748{
b6a0dc82
MH		 1749 struct hci_cp_setup_sync_conn *cp;
1750 struct hci_conn *acl, *sco;
1751 __u16 handle;
1752
9f1db00c 1753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1754
1755 if (!status)
1756 return;
1757
1758 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1759 if (!cp)
1760 return;
1761
1762 handle = __le16_to_cpu(cp->handle);
1763
9f1db00c 1764 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1765
1766 hci_dev_lock(hdev);
1767
1768 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1769 if (acl) {
1770 sco = acl->link;
1771 if (sco) {
1772 sco->state = BT_CLOSED;
b6a0dc82 1773
5a08ecce
AE		 1774 hci_proto_connect_cfm(sco, status);
1775 hci_conn_del(sco);
1776 }
b6a0dc82
MH		 1777 }
1778
1779 hci_dev_unlock(hdev);
1da177e4
LT		 1780}
1781
a9de9248 1782static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1783{
a9de9248
MH		 1784 struct hci_cp_sniff_mode *cp;
1785 struct hci_conn *conn;
1da177e4 1786
9f1db00c 1787 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1788
a9de9248
MH		 1789 if (!status)
1790 return;
04837f64 1791
a9de9248
MH		 1792 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1793 if (!cp)
1794 return;
04837f64 1795
a9de9248 1796 hci_dev_lock(hdev);
04837f64 1797
a9de9248 1798 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1799 if (conn) {
51a8efd7 1800 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1801
51a8efd7 1802 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1803 hci_sco_setup(conn, status);
1804 }
1805
a9de9248
MH		 1806 hci_dev_unlock(hdev);
1807}
04837f64 1808
a9de9248
MH		 1809static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1810{
1811 struct hci_cp_exit_sniff_mode *cp;
1812 struct hci_conn *conn;
04837f64 1813
9f1db00c 1814 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1815
a9de9248
MH		 1816 if (!status)
1817 return;
04837f64 1818
a9de9248
MH		 1819 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1820 if (!cp)
1821 return;
04837f64 1822
a9de9248 1823 hci_dev_lock(hdev);
1da177e4 1824
a9de9248 1825 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1826 if (conn) {
51a8efd7 1827 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1828
51a8efd7 1829 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1830 hci_sco_setup(conn, status);
1831 }
1832
a9de9248 1833 hci_dev_unlock(hdev);
1da177e4
LT		 1834}
1835
88c3df13
JH		 1836static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1837{
1838 struct hci_cp_disconnect *cp;
1839 struct hci_conn *conn;
1840
1841 if (!status)
1842 return;
1843
1844 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1845 if (!cp)
1846 return;
1847
1848 hci_dev_lock(hdev);
1849
1850 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1851 if (conn)
1852 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1853 conn->dst_type, status);
88c3df13
JH		 1854
1855 hci_dev_unlock(hdev);
1856}
1857
a02226d6
AE		 1858static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1859{
93c284ee
AE		 1860 struct hci_cp_create_phy_link *cp;
1861
a02226d6 1862 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1863
93c284ee
AE		 1864 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1865 if (!cp)
1866 return;
1867
e58917b9
AE		 1868 hci_dev_lock(hdev);
1869
1870 if (status) {
1871 struct hci_conn *hcon;
1872
1873 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1874 if (hcon)
1875 hci_conn_del(hcon);
1876 } else {
1877 amp_write_remote_assoc(hdev, cp->phy_handle);
1878 }
1879
1880 hci_dev_unlock(hdev);
a02226d6
AE		 1881}
1882
0b26ab9d
AE		 1883static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1884{
1885 struct hci_cp_accept_phy_link *cp;
1886
1887 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1888
1889 if (status)
1890 return;
1891
1892 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1893 if (!cp)
1894 return;
1895
1896 amp_write_remote_assoc(hdev, cp->phy_handle);
1897}
1898
cb1d68f7
JH		 1899static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1900{
1901 struct hci_cp_le_create_conn *cp;
1902 struct hci_conn *conn;
1903
1904 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1905
1906 /* All connection failure handling is taken care of by the
1907 * hci_le_conn_failed function which is triggered by the HCI
1908 * request completion callbacks used for connecting.
1909 */
1910 if (status)
1911 return;
1912
1913 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1914 if (!cp)
1915 return;
1916
1917 hci_dev_lock(hdev);
1918
1919 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1920 if (!conn)
1921 goto unlock;
1922
1923 /* Store the initiator and responder address information which
1924 * is needed for SMP. These values will not change during the
1925 * lifetime of the connection.
1926 */
1927 conn->init_addr_type = cp->own_address_type;
1928 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1929 bacpy(&conn->init_addr, &hdev->random_addr);
1930 else
1931 bacpy(&conn->init_addr, &hdev->bdaddr);
1932
1933 conn->resp_addr_type = cp->peer_addr_type;
1934 bacpy(&conn->resp_addr, &cp->peer_addr);
1935
9489eca4
JH		 1936 /* We don't want the connection attempt to stick around
1937 * indefinitely since LE doesn't have a page timeout concept
1938 * like BR/EDR. Set a timer for any connection that doesn't use
1939 * the white list for connecting.
1940 */
1941 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1942 queue_delayed_work(conn->hdev->workqueue,
1943 &conn->le_conn_timeout,
09ae260b 1944 conn->conn_timeout);
9489eca4 1945
cb1d68f7
JH		 1946unlock:
1947 hci_dev_unlock(hdev);
1948}
1949
81d0c8ad
JH		 1950static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1951{
1952 struct hci_cp_le_start_enc *cp;
1953 struct hci_conn *conn;
1954
1955 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1956
1957 if (!status)
1958 return;
1959
1960 hci_dev_lock(hdev);
1961
1962 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1963 if (!cp)
1964 goto unlock;
1965
1966 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1967 if (!conn)
1968 goto unlock;
1969
1970 if (conn->state != BT_CONNECTED)
1971 goto unlock;
1972
1973 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1974 hci_conn_drop(conn);
1975
1976unlock:
1977 hci_dev_unlock(hdev);
1978}
1979
50fc85f1
KP		 1980static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
1981{
1982 struct hci_cp_switch_role *cp;
1983 struct hci_conn *conn;
1984
1985 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1986
1987 if (!status)
1988 return;
1989
1990 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
1991 if (!cp)
1992 return;
1993
1994 hci_dev_lock(hdev);
1995
1996 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1997 if (conn)
1998 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
1999
2000 hci_dev_unlock(hdev);
2001}
2002
6039aa73 2003static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 2004{
2005 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 2006 struct discovery_state *discov = &hdev->discovery;
2007 struct inquiry_entry *e;
1da177e4 2008
9f1db00c 2009 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 2010
a9de9248 2011 hci_conn_check_pending(hdev);
89352e7d
AG		 2012
2013 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
2014 return;
2015
4e857c58 2016 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 2017 wake_up_bit(&hdev->flags, HCI_INQUIRY);
2018
a8b2d5c2 2019 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 2020 return;
2021
56e5cb86 2022 hci_dev_lock(hdev);
30dc78e1 2023
343f935b 2024 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 2025 goto unlock;
2026
2027 if (list_empty(&discov->resolve)) {
2028 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2029 goto unlock;
2030 }
2031
2032 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2033 if (e && hci_resolve_name(hdev, e) == 0) {
2034 e->name_state = NAME_PENDING;
2035 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2036 } else {
2037 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2038 }
2039
2040unlock:
56e5cb86 2041 hci_dev_unlock(hdev);
1da177e4
LT		 2042}
2043
6039aa73 2044static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2045{
45bb4bf0 2046 struct inquiry_data data;
a9de9248 2047 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 2048 int num_rsp = *((__u8 *) skb->data);
2049
2050 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2051
45bb4bf0
MH		 2052 if (!num_rsp)
2053 return;
2054
1519cc17
AG		 2055 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2056 return;
2057
1da177e4 2058 hci_dev_lock(hdev);
45bb4bf0 2059
e17acd40 2060 for (; num_rsp; num_rsp--, info++) {
af58925c 2061 u32 flags;
3175405b 2062
1da177e4
LT		 2063 bacpy(&data.bdaddr, &info->bdaddr);
2064 data.pscan_rep_mode = info->pscan_rep_mode;
2065 data.pscan_period_mode = info->pscan_period_mode;
2066 data.pscan_mode = info->pscan_mode;
2067 memcpy(data.dev_class, info->dev_class, 3);
2068 data.clock_offset = info->clock_offset;
efb2513f 2069 data.rssi = HCI_RSSI_INVALID;
41a96212 2070 data.ssp_mode = 0x00;
3175405b 2071
af58925c
MH		 2072 flags = hci_inquiry_cache_update(hdev, &data, false);
2073
48264f06 2074 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
efb2513f
MH		 2075 info->dev_class, HCI_RSSI_INVALID,
2076 flags, NULL, 0, NULL, 0);
1da177e4 2077 }
45bb4bf0 2078
1da177e4
LT		 2079 hci_dev_unlock(hdev);
2080}
2081
6039aa73 2082static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2083{
a9de9248
MH		 2084 struct hci_ev_conn_complete *ev = (void *) skb->data;
2085 struct hci_conn *conn;
1da177e4
LT		 2086
2087 BT_DBG("%s", hdev->name);
2088
2089 hci_dev_lock(hdev);
2090
2091 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2092 if (!conn) {
2093 if (ev->link_type != SCO_LINK)
2094 goto unlock;
2095
2096 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2097 if (!conn)
2098 goto unlock;
2099
2100 conn->type = SCO_LINK;
2101 }
1da177e4
LT		 2102
2103 if (!ev->status) {
2104 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2105
2106 if (conn->type == ACL_LINK) {
2107 conn->state = BT_CONFIG;
2108 hci_conn_hold(conn);
a9ea3ed9
SJ		 2109
2110 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2111 !hci_find_link_key(hdev, &ev->bdaddr))
2112 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2113 else
2114 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2115 } else
2116 conn->state = BT_CONNECTED;
1da177e4 2117
7d0db0a3
MH		 2118 hci_conn_add_sysfs(conn);
2119
1da177e4 2120 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2121 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2122
2123 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2124 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2125
04837f64
MH		 2126 /* Get remote features */
2127 if (conn->type == ACL_LINK) {
2128 struct hci_cp_read_remote_features cp;
2129 cp.handle = ev->handle;
769be974 2130 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2131 sizeof(cp), &cp);
22f433dc
JH		 2132
2133 hci_update_page_scan(hdev, NULL);
04837f64
MH		 2134 }
2135
1da177e4 2136 /* Set packet type for incoming connection */
d095c1eb 2137 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2138 struct hci_cp_change_conn_ptype cp;
2139 cp.handle = ev->handle;
a8746417 2140 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2141 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2142 &cp);
1da177e4 2143 }
17d5c04c 2144 } else {
1da177e4 2145 conn->state = BT_CLOSED;
17d5c04c 2146 if (conn->type == ACL_LINK)
64c7b77c 2147 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2148 conn->dst_type, ev->status);
17d5c04c 2149 }
1da177e4 2150
e73439d8
MH		 2151 if (conn->type == ACL_LINK)
2152 hci_sco_setup(conn, ev->status);
1da177e4 2153
769be974
MH		 2154 if (ev->status) {
2155 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2156 hci_conn_del(conn);
c89b6e6b
MH		 2157 } else if (ev->link_type != ACL_LINK)
2158 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2159
a9de9248 2160unlock:
1da177e4 2161 hci_dev_unlock(hdev);
1da177e4 2162
a9de9248 2163 hci_conn_check_pending(hdev);
1da177e4
LT		 2164}
2165
70c46425
JH		 2166static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2167{
2168 struct hci_cp_reject_conn_req cp;
2169
2170 bacpy(&cp.bdaddr, bdaddr);
2171 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2172 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2173}
2174
6039aa73 2175static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2176{
a9de9248
MH		 2177 struct hci_ev_conn_request *ev = (void *) skb->data;
2178 int mask = hdev->link_mode;
70c46425
JH		 2179 struct inquiry_entry *ie;
2180 struct hci_conn *conn;
20714bfe 2181 __u8 flags = 0;
1da177e4 2182
6ed93dc6 2183 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2184 ev->link_type);
1da177e4 2185
20714bfe
FD		 2186 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2187 &flags);
1da177e4 2188
70c46425
JH		 2189 if (!(mask & HCI_LM_ACCEPT)) {
2190 hci_reject_conn(hdev, &ev->bdaddr);
2191 return;
2192 }
2193
46c4c941
JH		 2194 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2195 BDADDR_BREDR)) {
2196 hci_reject_conn(hdev, &ev->bdaddr);
2197 return;
2198 }
2199
6a8fc95c
JH		 2200 /* Require HCI_CONNECTABLE or a whitelist entry to accept the
2201 * connection. These features are only touched through mgmt so
2202 * only do the checks if HCI_MGMT is set.
2203 */
2204 if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
2205 !test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
46c4c941
JH		 2206 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2207 BDADDR_BREDR)) {
2208 hci_reject_conn(hdev, &ev->bdaddr);
2209 return;
70c46425 2210 }
1da177e4 2211
70c46425 2212 /* Connection accepted */
b6a0dc82 2213
70c46425
JH		 2214 hci_dev_lock(hdev);
2215
2216 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2217 if (ie)
2218 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2219
70c46425
JH		 2220 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2221 &ev->bdaddr);
2222 if (!conn) {
a5c4e309
JH		 2223 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2224 HCI_ROLE_SLAVE);
a9de9248 2225 if (!conn) {
70c46425
JH		 2226 BT_ERR("No memory for new connection");
2227 hci_dev_unlock(hdev);
2228 return;
1da177e4 2229 }
70c46425 2230 }
b6a0dc82 2231
70c46425 2232 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2233
70c46425 2234 hci_dev_unlock(hdev);
1da177e4 2235
70c46425
JH		 2236 if (ev->link_type == ACL_LINK ||
2237 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2238 struct hci_cp_accept_conn_req cp;
2239 conn->state = BT_CONNECT;
1da177e4 2240
70c46425 2241 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2242
70c46425
JH		 2243 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2244 cp.role = 0x00; /* Become master */
2245 else
2246 cp.role = 0x01; /* Remain slave */
b6a0dc82 2247
70c46425
JH		 2248 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2249 } else if (!(flags & HCI_PROTO_DEFER)) {
2250 struct hci_cp_accept_sync_conn_req cp;
2251 conn->state = BT_CONNECT;
b6a0dc82 2252
70c46425
JH		 2253 bacpy(&cp.bdaddr, &ev->bdaddr);
2254 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2255
70c46425
JH		 2256 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2257 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2258 cp.max_latency = cpu_to_le16(0xffff);
2259 cp.content_format = cpu_to_le16(hdev->voice_setting);
2260 cp.retrans_effort = 0xff;
1da177e4 2261
70c46425
JH		 2262 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2263 &cp);
a9de9248 2264 } else {
70c46425
JH		 2265 conn->state = BT_CONNECT2;
2266 hci_proto_connect_cfm(conn, 0);
1da177e4 2267 }
1da177e4
LT		 2268}
2269
f0d6a0ea
MA		 2270static u8 hci_to_mgmt_reason(u8 err)
2271{
2272 switch (err) {
2273 case HCI_ERROR_CONNECTION_TIMEOUT:
2274 return MGMT_DEV_DISCONN_TIMEOUT;
2275 case HCI_ERROR_REMOTE_USER_TERM:
2276 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2277 case HCI_ERROR_REMOTE_POWER_OFF:
2278 return MGMT_DEV_DISCONN_REMOTE;
2279 case HCI_ERROR_LOCAL_HOST_TERM:
2280 return MGMT_DEV_DISCONN_LOCAL_HOST;
2281 default:
2282 return MGMT_DEV_DISCONN_UNKNOWN;
2283 }
2284}
2285
6039aa73 2286static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2287{
a9de9248 2288 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2289 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2290 struct hci_conn_params *params;
04837f64 2291 struct hci_conn *conn;
12d4a3b2 2292 bool mgmt_connected;
3846220b 2293 u8 type;
04837f64 2294
9f1db00c 2295 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2296
2297 hci_dev_lock(hdev);
2298
2299 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2300 if (!conn)
2301 goto unlock;
7d0db0a3 2302
abf54a50
AG		 2303 if (ev->status) {
2304 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2305 conn->dst_type, ev->status);
2306 goto unlock;
37d9ef76 2307 }
f7520543 2308
3846220b
AG		 2309 conn->state = BT_CLOSED;
2310
12d4a3b2
JH		 2311 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2312 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2313 reason, mgmt_connected);
abf54a50 2314
22f433dc
JH		 2315 if (conn->type == ACL_LINK) {
2316 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2317 hci_remove_link_key(hdev, &conn->dst);
2318
2319 hci_update_page_scan(hdev, NULL);
2320 }
2210246c 2321
9fcb18ef
AG		 2322 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2323 if (params) {
2324 switch (params->auto_connect) {
2325 case HCI_AUTO_CONN_LINK_LOSS:
2326 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2327 break;
2328 /* Fall through */
2329
4b9e7e75 2330 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2331 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2332 list_del_init(&params->action);
2333 list_add(&params->action, &hdev->pend_le_conns);
2334 hci_update_background_scan(hdev);
9fcb18ef
AG		 2335 break;
2336
2337 default:
2338 break;
2339 }
2340 }
2341
3846220b 2342 type = conn->type;
2210246c 2343
3846220b
AG		 2344 hci_proto_disconn_cfm(conn, ev->reason);
2345 hci_conn_del(conn);
2346
2347 /* Re-enable advertising if necessary, since it might
2348 * have been disabled by the connection. From the
2349 * HCI_LE_Set_Advertise_Enable command description in
2350 * the core specification (v4.0):
2351 * "The Controller shall continue advertising until the Host
2352 * issues an LE_Set_Advertise_Enable command with
2353 * Advertising_Enable set to 0x00 (Advertising is disabled)
2354 * or until a connection is created or until the Advertising
2355 * is timed out due to Directed Advertising."
2356 */
2357 if (type == LE_LINK)
2358 mgmt_reenable_advertising(hdev);
f7520543
JH		 2359
2360unlock:
04837f64
MH		 2361 hci_dev_unlock(hdev);
2362}
2363
6039aa73 2364static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2365{
a9de9248 2366 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2367 struct hci_conn *conn;
1da177e4 2368
9f1db00c 2369 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2370
2371 hci_dev_lock(hdev);
2372
04837f64 2373 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2374 if (!conn)
2375 goto unlock;
2376
2377 if (!ev->status) {
aa64a8b5 2378 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2379 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2380 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2381 } else {
4dae2798 2382 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2383 conn->sec_level = conn->pending_sec_level;
2a611692 2384 }
d7556e20 2385 } else {
e1e930f5 2386 mgmt_auth_failed(conn, ev->status);
d7556e20 2387 }
1da177e4 2388
51a8efd7
JH		 2389 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2390 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2391
d7556e20 2392 if (conn->state == BT_CONFIG) {
aa64a8b5 2393 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2394 struct hci_cp_set_conn_encrypt cp;
2395 cp.handle = ev->handle;
2396 cp.encrypt = 0x01;
2397 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2398 &cp);
052b30b0 2399 } else {
d7556e20
WR		 2400 conn->state = BT_CONNECTED;
2401 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2402 hci_conn_drop(conn);
052b30b0 2403 }
d7556e20
WR		 2404 } else {
2405 hci_auth_cfm(conn, ev->status);
052b30b0 2406
d7556e20
WR		 2407 hci_conn_hold(conn);
2408 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2409 hci_conn_drop(conn);
d7556e20
WR		 2410 }
2411
51a8efd7 2412 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2413 if (!ev->status) {
2414 struct hci_cp_set_conn_encrypt cp;
2415 cp.handle = ev->handle;
2416 cp.encrypt = 0x01;
2417 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2418 &cp);
d7556e20 2419 } else {
51a8efd7 2420 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2421 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2422 }
2423 }
2424
d7556e20 2425unlock:
1da177e4
LT		 2426 hci_dev_unlock(hdev);
2427}
2428
6039aa73 2429static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2430{
127178d2
JH		 2431 struct hci_ev_remote_name *ev = (void *) skb->data;
2432 struct hci_conn *conn;
2433
a9de9248 2434 BT_DBG("%s", hdev->name);
1da177e4 2435
a9de9248 2436 hci_conn_check_pending(hdev);
127178d2
JH		 2437
2438 hci_dev_lock(hdev);
2439
b644ba33 2440 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2441
b644ba33
JH		 2442 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2443 goto check_auth;
a88a9652 2444
b644ba33
JH		 2445 if (ev->status == 0)
2446 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2447 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2448 else
2449 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2450
2451check_auth:
79c6c70c
JH		 2452 if (!conn)
2453 goto unlock;
2454
2455 if (!hci_outgoing_auth_needed(hdev, conn))
2456 goto unlock;
2457
51a8efd7 2458 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2459 struct hci_cp_auth_requested cp;
977f8fce
JH		 2460
2461 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2462
127178d2
JH		 2463 cp.handle = __cpu_to_le16(conn->handle);
2464 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2465 }
2466
79c6c70c 2467unlock:
127178d2 2468 hci_dev_unlock(hdev);
a9de9248
MH		 2469}
2470
6039aa73 2471static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2472{
2473 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2474 struct hci_conn *conn;
2475
9f1db00c 2476 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2477
2478 hci_dev_lock(hdev);
2479
04837f64 2480 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2481 if (!conn)
2482 goto unlock;
1da177e4 2483
dc8357cc
MH		 2484 if (!ev->status) {
2485 if (ev->encrypt) {
2486 /* Encryption implies authentication */
4dae2798
JH		 2487 set_bit(HCI_CONN_AUTH, &conn->flags);
2488 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2489 conn->sec_level = conn->pending_sec_level;
abf76bad 2490
914a6ffe
MH		 2491 /* P-256 authentication key implies FIPS */
2492 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2493 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2494
abf76bad
MH		 2495 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2496 conn->type == LE_LINK)
2497 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2498 } else {
4dae2798 2499 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2500 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2501 }
dc8357cc 2502 }
a7d7723a 2503
7ed3fa20
JH		 2504 /* We should disregard the current RPA and generate a new one
2505 * whenever the encryption procedure fails.
2506 */
2507 if (ev->status && conn->type == LE_LINK)
2508 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2509
dc8357cc 2510 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2511
dc8357cc
MH		 2512 if (ev->status && conn->state == BT_CONNECTED) {
2513 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2514 hci_conn_drop(conn);
2515 goto unlock;
1da177e4
LT		 2516 }
2517
dc8357cc
MH		 2518 if (conn->state == BT_CONFIG) {
2519 if (!ev->status)
2520 conn->state = BT_CONNECTED;
2521
40b552aa
MH		 2522 /* In Secure Connections Only mode, do not allow any
2523 * connections that are not encrypted with AES-CCM
2524 * using a P-256 authenticated combination key.
2525 */
2526 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2527 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2528 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2529 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2530 hci_conn_drop(conn);
2531 goto unlock;
2532 }
2533
dc8357cc
MH		 2534 hci_proto_connect_cfm(conn, ev->status);
2535 hci_conn_drop(conn);
2536 } else
2537 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2538
a7d7723a 2539unlock:
1da177e4
LT		 2540 hci_dev_unlock(hdev);
2541}
2542
6039aa73
GP		 2543static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2544 struct sk_buff *skb)
1da177e4 2545{
a9de9248 2546 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2547 struct hci_conn *conn;
1da177e4 2548
9f1db00c 2549 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2550
2551 hci_dev_lock(hdev);
2552
04837f64 2553 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2554 if (conn) {
2555 if (!ev->status)
4dae2798 2556 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2557
51a8efd7 2558 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2559
2560 hci_key_change_cfm(conn, ev->status);
2561 }
2562
2563 hci_dev_unlock(hdev);
2564}
2565
6039aa73
GP		 2566static void hci_remote_features_evt(struct hci_dev *hdev,
2567 struct sk_buff *skb)
1da177e4 2568{
a9de9248
MH		 2569 struct hci_ev_remote_features *ev = (void *) skb->data;
2570 struct hci_conn *conn;
2571
9f1db00c 2572 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2573
a9de9248
MH		 2574 hci_dev_lock(hdev);
2575
2576 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2577 if (!conn)
2578 goto unlock;
769be974 2579
ccd556fe 2580 if (!ev->status)
cad718ed 2581 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2582
2583 if (conn->state != BT_CONFIG)
2584 goto unlock;
2585
2586 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2587 struct hci_cp_read_remote_ext_features cp;
2588 cp.handle = ev->handle;
2589 cp.page = 0x01;
2590 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2591 sizeof(cp), &cp);
392599b9
JH		 2592 goto unlock;
2593 }
2594
671267bf 2595 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2596 struct hci_cp_remote_name_req cp;
2597 memset(&cp, 0, sizeof(cp));
2598 bacpy(&cp.bdaddr, &conn->dst);
2599 cp.pscan_rep_mode = 0x02;
2600 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2601 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2602 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2603
127178d2 2604 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2605 conn->state = BT_CONNECTED;
2606 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2607 hci_conn_drop(conn);
769be974 2608 }
a9de9248 2609
ccd556fe 2610unlock:
a9de9248 2611 hci_dev_unlock(hdev);
1da177e4
LT		 2612}
2613
6039aa73 2614static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2615{
2616 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2617 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2618 __u16 opcode;
2619
2620 skb_pull(skb, sizeof(*ev));
2621
2622 opcode = __le16_to_cpu(ev->opcode);
2623
2624 switch (opcode) {
2625 case HCI_OP_INQUIRY_CANCEL:
2626 hci_cc_inquiry_cancel(hdev, skb);
2627 break;
2628
4d93483b
AG		 2629 case HCI_OP_PERIODIC_INQ:
2630 hci_cc_periodic_inq(hdev, skb);
2631 break;
2632
a9de9248
MH		 2633 case HCI_OP_EXIT_PERIODIC_INQ:
2634 hci_cc_exit_periodic_inq(hdev, skb);
2635 break;
2636
2637 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2638 hci_cc_remote_name_req_cancel(hdev, skb);
2639 break;
2640
2641 case HCI_OP_ROLE_DISCOVERY:
2642 hci_cc_role_discovery(hdev, skb);
2643 break;
2644
e4e8e37c
MH		 2645 case HCI_OP_READ_LINK_POLICY:
2646 hci_cc_read_link_policy(hdev, skb);
2647 break;
2648
a9de9248
MH		 2649 case HCI_OP_WRITE_LINK_POLICY:
2650 hci_cc_write_link_policy(hdev, skb);
2651 break;
2652
e4e8e37c
MH		 2653 case HCI_OP_READ_DEF_LINK_POLICY:
2654 hci_cc_read_def_link_policy(hdev, skb);
2655 break;
2656
2657 case HCI_OP_WRITE_DEF_LINK_POLICY:
2658 hci_cc_write_def_link_policy(hdev, skb);
2659 break;
2660
a9de9248
MH		 2661 case HCI_OP_RESET:
2662 hci_cc_reset(hdev, skb);
2663 break;
2664
2665 case HCI_OP_WRITE_LOCAL_NAME:
2666 hci_cc_write_local_name(hdev, skb);
2667 break;
2668
2669 case HCI_OP_READ_LOCAL_NAME:
2670 hci_cc_read_local_name(hdev, skb);
2671 break;
2672
2673 case HCI_OP_WRITE_AUTH_ENABLE:
2674 hci_cc_write_auth_enable(hdev, skb);
2675 break;
2676
2677 case HCI_OP_WRITE_ENCRYPT_MODE:
2678 hci_cc_write_encrypt_mode(hdev, skb);
2679 break;
2680
2681 case HCI_OP_WRITE_SCAN_ENABLE:
2682 hci_cc_write_scan_enable(hdev, skb);
2683 break;
2684
2685 case HCI_OP_READ_CLASS_OF_DEV:
2686 hci_cc_read_class_of_dev(hdev, skb);
2687 break;
2688
2689 case HCI_OP_WRITE_CLASS_OF_DEV:
2690 hci_cc_write_class_of_dev(hdev, skb);
2691 break;
2692
2693 case HCI_OP_READ_VOICE_SETTING:
2694 hci_cc_read_voice_setting(hdev, skb);
2695 break;
2696
2697 case HCI_OP_WRITE_VOICE_SETTING:
2698 hci_cc_write_voice_setting(hdev, skb);
2699 break;
2700
b4cb9fb2
MH		 2701 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2702 hci_cc_read_num_supported_iac(hdev, skb);
2703 break;
2704
333140b5
MH		 2705 case HCI_OP_WRITE_SSP_MODE:
2706 hci_cc_write_ssp_mode(hdev, skb);
2707 break;
2708
eac83dc6
MH		 2709 case HCI_OP_WRITE_SC_SUPPORT:
2710 hci_cc_write_sc_support(hdev, skb);
2711 break;
2712
a9de9248
MH		 2713 case HCI_OP_READ_LOCAL_VERSION:
2714 hci_cc_read_local_version(hdev, skb);
2715 break;
2716
2717 case HCI_OP_READ_LOCAL_COMMANDS:
2718 hci_cc_read_local_commands(hdev, skb);
2719 break;
2720
2721 case HCI_OP_READ_LOCAL_FEATURES:
2722 hci_cc_read_local_features(hdev, skb);
2723 break;
2724
971e3a4b
AG		 2725 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2726 hci_cc_read_local_ext_features(hdev, skb);
2727 break;
2728
a9de9248
MH		 2729 case HCI_OP_READ_BUFFER_SIZE:
2730 hci_cc_read_buffer_size(hdev, skb);
2731 break;
2732
2733 case HCI_OP_READ_BD_ADDR:
2734 hci_cc_read_bd_addr(hdev, skb);
2735 break;
2736
f332ec66
JH		 2737 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2738 hci_cc_read_page_scan_activity(hdev, skb);
2739 break;
2740
4a3ee763
JH		 2741 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2742 hci_cc_write_page_scan_activity(hdev, skb);
2743 break;
2744
f332ec66
JH		 2745 case HCI_OP_READ_PAGE_SCAN_TYPE:
2746 hci_cc_read_page_scan_type(hdev, skb);
2747 break;
2748
4a3ee763
JH		 2749 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2750 hci_cc_write_page_scan_type(hdev, skb);
2751 break;
2752
350ee4cf
AE		 2753 case HCI_OP_READ_DATA_BLOCK_SIZE:
2754 hci_cc_read_data_block_size(hdev, skb);
2755 break;
2756
1e89cffb
AE		 2757 case HCI_OP_READ_FLOW_CONTROL_MODE:
2758 hci_cc_read_flow_control_mode(hdev, skb);
2759 break;
2760
928abaa7
AE		 2761 case HCI_OP_READ_LOCAL_AMP_INFO:
2762 hci_cc_read_local_amp_info(hdev, skb);
2763 break;
2764
33f35721
JH		 2765 case HCI_OP_READ_CLOCK:
2766 hci_cc_read_clock(hdev, skb);
2767 break;
2768
903e4541
AE		 2769 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2770 hci_cc_read_local_amp_assoc(hdev, skb);
2771 break;
2772
d5859e22
JH		 2773 case HCI_OP_READ_INQ_RSP_TX_POWER:
2774 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2775 break;
2776
980e1a53
JH		 2777 case HCI_OP_PIN_CODE_REPLY:
2778 hci_cc_pin_code_reply(hdev, skb);
2779 break;
2780
2781 case HCI_OP_PIN_CODE_NEG_REPLY:
2782 hci_cc_pin_code_neg_reply(hdev, skb);
2783 break;
2784
c35938b2 2785 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2786 hci_cc_read_local_oob_data(hdev, skb);
2787 break;
2788
2789 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2790 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2791 break;
2792
6ed58ec5
VT		 2793 case HCI_OP_LE_READ_BUFFER_SIZE:
2794 hci_cc_le_read_buffer_size(hdev, skb);
2795 break;
2796
60e77321
JH		 2797 case HCI_OP_LE_READ_LOCAL_FEATURES:
2798 hci_cc_le_read_local_features(hdev, skb);
2799 break;
2800
8fa19098
JH		 2801 case HCI_OP_LE_READ_ADV_TX_POWER:
2802 hci_cc_le_read_adv_tx_power(hdev, skb);
2803 break;
2804
a5c29683
JH		 2805 case HCI_OP_USER_CONFIRM_REPLY:
2806 hci_cc_user_confirm_reply(hdev, skb);
2807 break;
2808
2809 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2810 hci_cc_user_confirm_neg_reply(hdev, skb);
2811 break;
2812
1143d458
BG		 2813 case HCI_OP_USER_PASSKEY_REPLY:
2814 hci_cc_user_passkey_reply(hdev, skb);
2815 break;
2816
2817 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2818 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2819 break;
07f7fa5d 2820
7a4cd51d
MH		 2821 case HCI_OP_LE_SET_RANDOM_ADDR:
2822 hci_cc_le_set_random_addr(hdev, skb);
2823 break;
2824
c1d5dc4a
JH		 2825 case HCI_OP_LE_SET_ADV_ENABLE:
2826 hci_cc_le_set_adv_enable(hdev, skb);
2827 break;
2828
533553f8
MH		 2829 case HCI_OP_LE_SET_SCAN_PARAM:
2830 hci_cc_le_set_scan_param(hdev, skb);
2831 break;
2832
eb9d91f5
AG		 2833 case HCI_OP_LE_SET_SCAN_ENABLE:
2834 hci_cc_le_set_scan_enable(hdev, skb);
2835 break;
2836
cf1d081f
JH		 2837 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2838 hci_cc_le_read_white_list_size(hdev, skb);
2839 break;
2840
0f36b589
MH		 2841 case HCI_OP_LE_CLEAR_WHITE_LIST:
2842 hci_cc_le_clear_white_list(hdev, skb);
2843 break;
2844
2845 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2846 hci_cc_le_add_to_white_list(hdev, skb);
2847 break;
2848
2849 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2850 hci_cc_le_del_from_white_list(hdev, skb);
2851 break;
2852
9b008c04
JH		 2853 case HCI_OP_LE_READ_SUPPORTED_STATES:
2854 hci_cc_le_read_supported_states(hdev, skb);
2855 break;
2856
f9b49306
AG		 2857 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2858 hci_cc_write_le_host_supported(hdev, skb);
2859 break;
2860
56ed2cb8
JH		 2861 case HCI_OP_LE_SET_ADV_PARAM:
2862 hci_cc_set_adv_param(hdev, skb);
2863 break;
2864
93c284ee
AE		 2865 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2866 hci_cc_write_remote_amp_assoc(hdev, skb);
2867 break;
2868
5ae76a94
AK		 2869 case HCI_OP_READ_RSSI:
2870 hci_cc_read_rssi(hdev, skb);
2871 break;
2872
5a134fae
AK		 2873 case HCI_OP_READ_TX_POWER:
2874 hci_cc_read_tx_power(hdev, skb);
2875 break;
2876
a9de9248 2877 default:
9f1db00c 2878 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2879 break;
2880 }
2881
ad82cdd1 2882 if (opcode != HCI_OP_NOP)
65cc2b49 2883 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2884
ad82cdd1 2885 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2886
dbccd791 2887 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2888 atomic_set(&hdev->cmd_cnt, 1);
2889 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2890 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2891 }
2892}
2893
6039aa73 2894static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2895{
2896 struct hci_ev_cmd_status *ev = (void *) skb->data;
2897 __u16 opcode;
2898
2899 skb_pull(skb, sizeof(*ev));
2900
2901 opcode = __le16_to_cpu(ev->opcode);
2902
2903 switch (opcode) {
2904 case HCI_OP_INQUIRY:
2905 hci_cs_inquiry(hdev, ev->status);
2906 break;
2907
2908 case HCI_OP_CREATE_CONN:
2909 hci_cs_create_conn(hdev, ev->status);
2910 break;
2911
9645c76c
KP		 2912 case HCI_OP_DISCONNECT:
2913 hci_cs_disconnect(hdev, ev->status);
2914 break;
2915
a9de9248
MH		 2916 case HCI_OP_ADD_SCO:
2917 hci_cs_add_sco(hdev, ev->status);
2918 break;
2919
f8558555
MH		 2920 case HCI_OP_AUTH_REQUESTED:
2921 hci_cs_auth_requested(hdev, ev->status);
2922 break;
2923
2924 case HCI_OP_SET_CONN_ENCRYPT:
2925 hci_cs_set_conn_encrypt(hdev, ev->status);
2926 break;
2927
a9de9248
MH		 2928 case HCI_OP_REMOTE_NAME_REQ:
2929 hci_cs_remote_name_req(hdev, ev->status);
2930 break;
2931
769be974
MH		 2932 case HCI_OP_READ_REMOTE_FEATURES:
2933 hci_cs_read_remote_features(hdev, ev->status);
2934 break;
2935
2936 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2937 hci_cs_read_remote_ext_features(hdev, ev->status);
2938 break;
2939
a9de9248
MH		 2940 case HCI_OP_SETUP_SYNC_CONN:
2941 hci_cs_setup_sync_conn(hdev, ev->status);
2942 break;
2943
9645c76c
KP		 2944 case HCI_OP_CREATE_PHY_LINK:
2945 hci_cs_create_phylink(hdev, ev->status);
2946 break;
2947
2948 case HCI_OP_ACCEPT_PHY_LINK:
2949 hci_cs_accept_phylink(hdev, ev->status);
2950 break;
2951
a9de9248
MH		 2952 case HCI_OP_SNIFF_MODE:
2953 hci_cs_sniff_mode(hdev, ev->status);
2954 break;
2955
2956 case HCI_OP_EXIT_SNIFF_MODE:
2957 hci_cs_exit_sniff_mode(hdev, ev->status);
2958 break;
2959
50fc85f1
KP		 2960 case HCI_OP_SWITCH_ROLE:
2961 hci_cs_switch_role(hdev, ev->status);
2962 break;
2963
cb1d68f7
JH		 2964 case HCI_OP_LE_CREATE_CONN:
2965 hci_cs_le_create_conn(hdev, ev->status);
2966 break;
2967
81d0c8ad
JH		 2968 case HCI_OP_LE_START_ENC:
2969 hci_cs_le_start_enc(hdev, ev->status);
2970 break;
2971
a9de9248 2972 default:
9f1db00c 2973 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2974 break;
2975 }
2976
ad82cdd1 2977 if (opcode != HCI_OP_NOP)
65cc2b49 2978 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2979
02350a72
JH		 2980 if (ev->status ||
2981 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2982 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2983
10572132 2984 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2985 atomic_set(&hdev->cmd_cnt, 1);
2986 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2987 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2988 }
2989}
2990
24dfa343
MH		 2991static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
2992{
2993 struct hci_ev_hardware_error *ev = (void *) skb->data;
2994
2995 BT_ERR("%s hardware error 0x%2.2x", hdev->name, ev->code);
2996}
2997
6039aa73 2998static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2999{
3000 struct hci_ev_role_change *ev = (void *) skb->data;
3001 struct hci_conn *conn;
3002
9f1db00c 3003 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 3004
3005 hci_dev_lock(hdev);
3006
3007 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3008 if (conn) {
40bef302
JH		 3009 if (!ev->status)
3010 conn->role = ev->role;
a9de9248 3011
51a8efd7 3012 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 3013
3014 hci_role_switch_cfm(conn, ev->status, ev->role);
3015 }
3016
3017 hci_dev_unlock(hdev);
3018}
3019
6039aa73 3020static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3021{
3022 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 3023 int i;
3024
32ac5b9b
AE		 3025 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3026 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3027 return;
3028 }
3029
c5993de8 3030 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3031 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 3032 BT_DBG("%s bad parameters", hdev->name);
3033 return;
3034 }
3035
c5993de8
AE		 3036 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3037
613a1c0c
AE		 3038 for (i = 0; i < ev->num_hndl; i++) {
3039 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3040 struct hci_conn *conn;
3041 __u16 handle, count;
3042
613a1c0c
AE		 3043 handle = __le16_to_cpu(info->handle);
3044 count = __le16_to_cpu(info->count);
a9de9248
MH		 3045
3046 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3047 if (!conn)
3048 continue;
3049
3050 conn->sent -= count;
3051
3052 switch (conn->type) {
3053 case ACL_LINK:
3054 hdev->acl_cnt += count;
3055 if (hdev->acl_cnt > hdev->acl_pkts)
3056 hdev->acl_cnt = hdev->acl_pkts;
3057 break;
3058
3059 case LE_LINK:
3060 if (hdev->le_pkts) {
3061 hdev->le_cnt += count;
3062 if (hdev->le_cnt > hdev->le_pkts)
3063 hdev->le_cnt = hdev->le_pkts;
3064 } else {
70f23020
AE		 3065 hdev->acl_cnt += count;
3066 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3067 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3068 }
f4280918
AE		 3069 break;
3070
3071 case SCO_LINK:
3072 hdev->sco_cnt += count;
3073 if (hdev->sco_cnt > hdev->sco_pkts)
3074 hdev->sco_cnt = hdev->sco_pkts;
3075 break;
3076
3077 default:
3078 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3079 break;
a9de9248
MH		 3080 }
3081 }
3082
3eff45ea 3083 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3084}
3085
76ef7cf7
AE		 3086static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3087 __u16 handle)
3088{
3089 struct hci_chan *chan;
3090
3091 switch (hdev->dev_type) {
3092 case HCI_BREDR:
3093 return hci_conn_hash_lookup_handle(hdev, handle);
3094 case HCI_AMP:
3095 chan = hci_chan_lookup_handle(hdev, handle);
3096 if (chan)
3097 return chan->conn;
3098 break;
3099 default:
3100 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3101 break;
3102 }
3103
3104 return NULL;
3105}
3106
6039aa73 3107static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3108{
3109 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3110 int i;
3111
3112 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3113 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3114 return;
3115 }
3116
3117 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3118 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3119 BT_DBG("%s bad parameters", hdev->name);
3120 return;
3121 }
3122
3123 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3124 ev->num_hndl);
25e89e99
AE		 3125
3126 for (i = 0; i < ev->num_hndl; i++) {
3127 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3128 struct hci_conn *conn = NULL;
25e89e99
AE		 3129 __u16 handle, block_count;
3130
3131 handle = __le16_to_cpu(info->handle);
3132 block_count = __le16_to_cpu(info->blocks);
3133
76ef7cf7 3134 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3135 if (!conn)
3136 continue;
3137
3138 conn->sent -= block_count;
3139
3140 switch (conn->type) {
3141 case ACL_LINK:
bd1eb66b 3142 case AMP_LINK:
25e89e99
AE		 3143 hdev->block_cnt += block_count;
3144 if (hdev->block_cnt > hdev->num_blocks)
3145 hdev->block_cnt = hdev->num_blocks;
3146 break;
3147
3148 default:
3149 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3150 break;
3151 }
3152 }
3153
3154 queue_work(hdev->workqueue, &hdev->tx_work);
3155}
3156
6039aa73 3157static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3158{
a9de9248 3159 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3160 struct hci_conn *conn;
3161
9f1db00c 3162 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3163
3164 hci_dev_lock(hdev);
3165
3166 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3167 if (conn) {
3168 conn->mode = ev->mode;
a9de9248 3169
8fc9ced3
GP		 3170 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3171 &conn->flags)) {
a9de9248 3172 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3173 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3174 else
58a681ef 3175 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3176 }
e73439d8 3177
51a8efd7 3178 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3179 hci_sco_setup(conn, ev->status);
04837f64
MH		 3180 }
3181
3182 hci_dev_unlock(hdev);
3183}
3184
6039aa73 3185static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3186{
052b30b0
MH		 3187 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3188 struct hci_conn *conn;
3189
a9de9248 3190 BT_DBG("%s", hdev->name);
052b30b0
MH		 3191
3192 hci_dev_lock(hdev);
3193
3194 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3195 if (!conn)
3196 goto unlock;
3197
3198 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3199 hci_conn_hold(conn);
3200 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3201 hci_conn_drop(conn);
052b30b0
MH		 3202 }
3203
b6ae8457 3204 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3205 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3206 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3207 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3208 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3209 u8 secure;
3210
3211 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3212 secure = 1;
3213 else
3214 secure = 0;
3215
744cf19e 3216 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3217 }
980e1a53 3218
b6f98044 3219unlock:
052b30b0 3220 hci_dev_unlock(hdev);
a9de9248
MH		 3221}
3222
cb6f3f7a
JH		 3223static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3224{
3225 if (key_type == HCI_LK_CHANGED_COMBINATION)
3226 return;
3227
3228 conn->pin_length = pin_len;
3229 conn->key_type = key_type;
3230
3231 switch (key_type) {
3232 case HCI_LK_LOCAL_UNIT:
3233 case HCI_LK_REMOTE_UNIT:
3234 case HCI_LK_DEBUG_COMBINATION:
3235 return;
3236 case HCI_LK_COMBINATION:
3237 if (pin_len == 16)
3238 conn->pending_sec_level = BT_SECURITY_HIGH;
3239 else
3240 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3241 break;
3242 case HCI_LK_UNAUTH_COMBINATION_P192:
3243 case HCI_LK_UNAUTH_COMBINATION_P256:
3244 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3245 break;
3246 case HCI_LK_AUTH_COMBINATION_P192:
3247 conn->pending_sec_level = BT_SECURITY_HIGH;
3248 break;
3249 case HCI_LK_AUTH_COMBINATION_P256:
3250 conn->pending_sec_level = BT_SECURITY_FIPS;
3251 break;
3252 }
3253}
3254
6039aa73 3255static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3256{
55ed8ca1
JH		 3257 struct hci_ev_link_key_req *ev = (void *) skb->data;
3258 struct hci_cp_link_key_reply cp;
3259 struct hci_conn *conn;
3260 struct link_key *key;
3261
a9de9248 3262 BT_DBG("%s", hdev->name);
55ed8ca1 3263
034cbea0 3264 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3265 return;
3266
3267 hci_dev_lock(hdev);
3268
3269 key = hci_find_link_key(hdev, &ev->bdaddr);
3270 if (!key) {
6ed93dc6
AE		 3271 BT_DBG("%s link key not found for %pMR", hdev->name,
3272 &ev->bdaddr);
55ed8ca1
JH		 3273 goto not_found;
3274 }
3275
6ed93dc6
AE		 3276 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3277 &ev->bdaddr);
55ed8ca1 3278
55ed8ca1 3279 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3280 if (conn) {
fe8bc5ac
JH		 3281 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3282
66138ce8
MH		 3283 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3284 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3285 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3286 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3287 goto not_found;
3288 }
55ed8ca1 3289
60b83f57 3290 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3291 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3292 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3293 BT_DBG("%s ignoring key unauthenticated for high security",
3294 hdev->name);
60b83f57
WR		 3295 goto not_found;
3296 }
3297
cb6f3f7a 3298 conn_set_key(conn, key->type, key->pin_len);
55ed8ca1
JH		 3299 }
3300
3301 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3302 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3303
3304 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3305
3306 hci_dev_unlock(hdev);
3307
3308 return;
3309
3310not_found:
3311 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3312 hci_dev_unlock(hdev);
a9de9248
MH		 3313}
3314
6039aa73 3315static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3316{
052b30b0
MH		 3317 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3318 struct hci_conn *conn;
7652ff6a
JH		 3319 struct link_key *key;
3320 bool persistent;
55ed8ca1 3321 u8 pin_len = 0;
052b30b0 3322
a9de9248 3323 BT_DBG("%s", hdev->name);
052b30b0
MH		 3324
3325 hci_dev_lock(hdev);
3326
3327 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
82c13d42
JH		 3328 if (!conn)
3329 goto unlock;
3330
3331 hci_conn_hold(conn);
3332 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3333 hci_conn_drop(conn);
3334
fe8bc5ac 3335 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
82c13d42 3336 conn_set_key(conn, ev->key_type, conn->pin_length);
052b30b0 3337
7652ff6a
JH		 3338 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3339 goto unlock;
3340
3341 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3342 ev->key_type, pin_len, &persistent);
3343 if (!key)
3344 goto unlock;
3345
cb6f3f7a
JH		 3346 /* Update connection information since adding the key will have
3347 * fixed up the type in the case of changed combination keys.
3348 */
3349 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3350 conn_set_key(conn, key->type, key->pin_len);
3351
7652ff6a 3352 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3353
6d5650c4
JH		 3354 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3355 * is set. If it's not set simply remove the key from the kernel
3356 * list (we've still notified user space about it but with
3357 * store_hint being 0).
3358 */
3359 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3360 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
0378b597
JH		 3361 list_del_rcu(&key->list);
3362 kfree_rcu(key, rcu);
82c13d42 3363 goto unlock;
6d5650c4 3364 }
7652ff6a 3365
82c13d42
JH		 3366 if (persistent)
3367 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3368 else
3369 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3370
7652ff6a 3371unlock:
052b30b0 3372 hci_dev_unlock(hdev);
a9de9248
MH		 3373}
3374
6039aa73 3375static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3376{
a9de9248 3377 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3378 struct hci_conn *conn;
1da177e4 3379
9f1db00c 3380 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3381
3382 hci_dev_lock(hdev);
3383
04837f64 3384 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3385 if (conn && !ev->status) {
3386 struct inquiry_entry *ie;
3387
cc11b9c1
AE		 3388 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3389 if (ie) {
1da177e4
LT		 3390 ie->data.clock_offset = ev->clock_offset;
3391 ie->timestamp = jiffies;
3392 }
3393 }
3394
3395 hci_dev_unlock(hdev);
3396}
3397
6039aa73 3398static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3399{
3400 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3401 struct hci_conn *conn;
3402
9f1db00c 3403 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3404
3405 hci_dev_lock(hdev);
3406
3407 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3408 if (conn && !ev->status)
3409 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3410
3411 hci_dev_unlock(hdev);
3412}
3413
6039aa73 3414static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3415{
a9de9248 3416 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3417 struct inquiry_entry *ie;
3418
3419 BT_DBG("%s", hdev->name);
3420
3421 hci_dev_lock(hdev);
3422
cc11b9c1
AE		 3423 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3424 if (ie) {
85a1e930
MH		 3425 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3426 ie->timestamp = jiffies;
3427 }
3428
3429 hci_dev_unlock(hdev);
3430}
3431
6039aa73
GP		 3432static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3433 struct sk_buff *skb)
a9de9248
MH		 3434{
3435 struct inquiry_data data;
3436 int num_rsp = *((__u8 *) skb->data);
3437
3438 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3439
3440 if (!num_rsp)
3441 return;
3442
1519cc17
AG		 3443 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3444 return;
3445
a9de9248
MH		 3446 hci_dev_lock(hdev);
3447
3448 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3449 struct inquiry_info_with_rssi_and_pscan_mode *info;
3450 info = (void *) (skb->data + 1);
a9de9248 3451
e17acd40 3452 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3453 u32 flags;
3454
a9de9248
MH		 3455 bacpy(&data.bdaddr, &info->bdaddr);
3456 data.pscan_rep_mode = info->pscan_rep_mode;
3457 data.pscan_period_mode = info->pscan_period_mode;
3458 data.pscan_mode = info->pscan_mode;
3459 memcpy(data.dev_class, info->dev_class, 3);
3460 data.clock_offset = info->clock_offset;
3461 data.rssi = info->rssi;
41a96212 3462 data.ssp_mode = 0x00;
3175405b 3463
af58925c
MH		 3464 flags = hci_inquiry_cache_update(hdev, &data, false);
3465
48264f06 3466 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3467 info->dev_class, info->rssi,
af58925c 3468 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3469 }
3470 } else {
3471 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3472
e17acd40 3473 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3474 u32 flags;
3475
a9de9248
MH		 3476 bacpy(&data.bdaddr, &info->bdaddr);
3477 data.pscan_rep_mode = info->pscan_rep_mode;
3478 data.pscan_period_mode = info->pscan_period_mode;
3479 data.pscan_mode = 0x00;
3480 memcpy(data.dev_class, info->dev_class, 3);
3481 data.clock_offset = info->clock_offset;
3482 data.rssi = info->rssi;
41a96212 3483 data.ssp_mode = 0x00;
af58925c
MH		 3484
3485 flags = hci_inquiry_cache_update(hdev, &data, false);
3486
48264f06 3487 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3488 info->dev_class, info->rssi,
af58925c 3489 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3490 }
3491 }
3492
3493 hci_dev_unlock(hdev);
3494}
3495
6039aa73
GP		 3496static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3497 struct sk_buff *skb)
a9de9248 3498{
41a96212
MH		 3499 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3500 struct hci_conn *conn;
3501
a9de9248 3502 BT_DBG("%s", hdev->name);
41a96212 3503
41a96212
MH		 3504 hci_dev_lock(hdev);
3505
3506 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3507 if (!conn)
3508 goto unlock;
41a96212 3509
cad718ed
JH		 3510 if (ev->page < HCI_MAX_PAGES)
3511 memcpy(conn->features[ev->page], ev->features, 8);
3512
ccd556fe
JH		 3513 if (!ev->status && ev->page == 0x01) {
3514 struct inquiry_entry *ie;
41a96212 3515
cc11b9c1
AE		 3516 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3517 if (ie)
02b7cc62 3518 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3519
bbb0eada 3520 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3521 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3522 } else {
3523 /* It is mandatory by the Bluetooth specification that
3524 * Extended Inquiry Results are only used when Secure
3525 * Simple Pairing is enabled, but some devices violate
3526 * this.
3527 *
3528 * To make these devices work, the internal SSP
3529 * enabled flag needs to be cleared if the remote host
3530 * features do not indicate SSP support */
3531 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3532 }
eb9a8f3f
MH		 3533
3534 if (ev->features[0] & LMP_HOST_SC)
3535 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3536 }
3537
3538 if (conn->state != BT_CONFIG)
3539 goto unlock;
3540
671267bf 3541 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3542 struct hci_cp_remote_name_req cp;
3543 memset(&cp, 0, sizeof(cp));
3544 bacpy(&cp.bdaddr, &conn->dst);
3545 cp.pscan_rep_mode = 0x02;
3546 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3547 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3548 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3549
127178d2 3550 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3551 conn->state = BT_CONNECTED;
3552 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3553 hci_conn_drop(conn);
41a96212
MH		 3554 }
3555
ccd556fe 3556unlock:
41a96212 3557 hci_dev_unlock(hdev);
a9de9248
MH		 3558}
3559
6039aa73
GP		 3560static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3561 struct sk_buff *skb)
a9de9248 3562{
b6a0dc82
MH		 3563 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3564 struct hci_conn *conn;
3565
9f1db00c 3566 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3567
3568 hci_dev_lock(hdev);
3569
3570 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3571 if (!conn) {
3572 if (ev->link_type == ESCO_LINK)
3573 goto unlock;
3574
3575 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3576 if (!conn)
3577 goto unlock;
3578
3579 conn->type = SCO_LINK;
3580 }
b6a0dc82 3581
732547f9
MH		 3582 switch (ev->status) {
3583 case 0x00:
b6a0dc82
MH		 3584 conn->handle = __le16_to_cpu(ev->handle);
3585 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3586
3587 hci_conn_add_sysfs(conn);
732547f9
MH		 3588 break;
3589
81218d20 3590 case 0x10: /* Connection Accept Timeout */
1a4c958c 3591 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3592 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3593 case 0x1c: /* SCO interval rejected */
1038a00b 3594 case 0x1a: /* Unsupported Remote Feature */
732547f9 3595 case 0x1f: /* Unspecified error */
27539bc4 3596 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3597 if (conn->out) {
732547f9
MH		 3598 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3599 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3600 if (hci_setup_sync(conn, conn->link->handle))
3601 goto unlock;
732547f9
MH		 3602 }
3603 /* fall through */
3604
3605 default:
b6a0dc82 3606 conn->state = BT_CLOSED;
732547f9
MH		 3607 break;
3608 }
b6a0dc82
MH		 3609
3610 hci_proto_connect_cfm(conn, ev->status);
3611 if (ev->status)
3612 hci_conn_del(conn);
3613
3614unlock:
3615 hci_dev_unlock(hdev);
a9de9248
MH		 3616}
3617
efdcf8e3
MH		 3618static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3619{
3620 size_t parsed = 0;
3621
3622 while (parsed < eir_len) {
3623 u8 field_len = eir[0];
3624
3625 if (field_len == 0)
3626 return parsed;
3627
3628 parsed += field_len + 1;
3629 eir += field_len + 1;
3630 }
3631
3632 return eir_len;
3633}
3634
6039aa73
GP		 3635static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3636 struct sk_buff *skb)
1da177e4 3637{
a9de9248
MH		 3638 struct inquiry_data data;
3639 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3640 int num_rsp = *((__u8 *) skb->data);
9d939d94 3641 size_t eir_len;
1da177e4 3642
a9de9248 3643 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3644
a9de9248
MH		 3645 if (!num_rsp)
3646 return;
1da177e4 3647
1519cc17
AG		 3648 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3649 return;
3650
a9de9248
MH		 3651 hci_dev_lock(hdev);
3652
e17acd40 3653 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3654 u32 flags;
3655 bool name_known;
561aafbc 3656
a9de9248 3657 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3658 data.pscan_rep_mode = info->pscan_rep_mode;
3659 data.pscan_period_mode = info->pscan_period_mode;
3660 data.pscan_mode = 0x00;
a9de9248 3661 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3662 data.clock_offset = info->clock_offset;
3663 data.rssi = info->rssi;
41a96212 3664 data.ssp_mode = 0x01;
561aafbc 3665
a8b2d5c2 3666 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3667 name_known = eir_has_data_type(info->data,
04124681
GP		 3668 sizeof(info->data),
3669 EIR_NAME_COMPLETE);
561aafbc
JH		 3670 else
3671 name_known = true;
3672
af58925c
MH		 3673 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3674
9d939d94 3675 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3676
48264f06 3677 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3678 info->dev_class, info->rssi,
3679 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3680 }
3681
3682 hci_dev_unlock(hdev);
3683}
1da177e4 3684
1c2e0041
JH		 3685static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3686 struct sk_buff *skb)
3687{
3688 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3689 struct hci_conn *conn;
3690
9f1db00c 3691 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3692 __le16_to_cpu(ev->handle));
3693
3694 hci_dev_lock(hdev);
3695
3696 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3697 if (!conn)
3698 goto unlock;
3699
9eb1fbfa
JH		 3700 /* For BR/EDR the necessary steps are taken through the
3701 * auth_complete event.
3702 */
3703 if (conn->type != LE_LINK)
3704 goto unlock;
3705
1c2e0041
JH		 3706 if (!ev->status)
3707 conn->sec_level = conn->pending_sec_level;
3708
3709 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3710
3711 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3712 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3713 hci_conn_drop(conn);
1c2e0041
JH		 3714 goto unlock;
3715 }
3716
3717 if (conn->state == BT_CONFIG) {
3718 if (!ev->status)
3719 conn->state = BT_CONNECTED;
3720
3721 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3722 hci_conn_drop(conn);
1c2e0041
JH		 3723 } else {
3724 hci_auth_cfm(conn, ev->status);
3725
3726 hci_conn_hold(conn);
3727 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3728 hci_conn_drop(conn);
1c2e0041
JH		 3729 }
3730
3731unlock:
3732 hci_dev_unlock(hdev);
3733}
3734
6039aa73 3735static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3736{
17fa4b9d 3737 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3738 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3739 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3740 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3741
b7f94c88
MA		 3742 /* If both remote and local have enough IO capabilities, require
3743 * MITM protection
3744 */
3745 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3746 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3747 return conn->remote_auth | 0x01;
3748
7e74170a
TM		 3749 /* No MITM protection possible so ignore remote requirement */
3750 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3751}
3752
6039aa73 3753static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3754{
3755 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3756 struct hci_conn *conn;
3757
3758 BT_DBG("%s", hdev->name);
3759
3760 hci_dev_lock(hdev);
3761
3762 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3763 if (!conn)
3764 goto unlock;
3765
3766 hci_conn_hold(conn);
3767
a8b2d5c2 3768 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3769 goto unlock;
3770
2f407f0a
JH		 3771 /* Allow pairing if we're pairable, the initiators of the
3772 * pairing or if the remote is not requesting bonding.
3773 */
b6ae8457 3774 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3775 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3776 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3777 struct hci_cp_io_capability_reply cp;
3778
3779 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3780 /* Change the IO capability from KeyboardDisplay
3781 * to DisplayYesNo as it is not supported by BT spec. */
3782 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3783 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3784
3785 /* If we are initiators, there is no remote information yet */
3786 if (conn->remote_auth == 0xff) {
b16c6604 3787 /* Request MITM protection if our IO caps allow it
4ad51a75 3788 * except for the no-bonding case.
b16c6604 3789 */
6fd6b915 3790 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3791 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3792 conn->auth_type |= 0x01;
b7f94c88
MA		 3793 } else {
3794 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3795 }
17fa4b9d 3796
82c295b1
JH		 3797 /* If we're not bondable, force one of the non-bondable
3798 * authentication requirement values.
3799 */
3800 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3801 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3802
3803 cp.authentication = conn->auth_type;
3804
6928a924 3805 if (hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR) &&
8fc9ced3 3806 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3807 cp.oob_data = 0x01;
3808 else
3809 cp.oob_data = 0x00;
3810
17fa4b9d 3811 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3812 sizeof(cp), &cp);
03b555e1
JH		 3813 } else {
3814 struct hci_cp_io_capability_neg_reply cp;
3815
3816 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3817 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3818
03b555e1 3819 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3820 sizeof(cp), &cp);
03b555e1
JH		 3821 }
3822
3823unlock:
3824 hci_dev_unlock(hdev);
3825}
3826
6039aa73 3827static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3828{
3829 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3830 struct hci_conn *conn;
3831
3832 BT_DBG("%s", hdev->name);
3833
3834 hci_dev_lock(hdev);
3835
3836 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3837 if (!conn)
3838 goto unlock;
3839
03b555e1 3840 conn->remote_cap = ev->capability;
03b555e1 3841 conn->remote_auth = ev->authentication;
58a681ef
JH		 3842 if (ev->oob_data)
3843 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3844
3845unlock:
0493684e
MH		 3846 hci_dev_unlock(hdev);
3847}
3848
6039aa73
GP		 3849static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3850 struct sk_buff *skb)
a5c29683
JH		 3851{
3852 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3853 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3854 struct hci_conn *conn;
a5c29683
JH		 3855
3856 BT_DBG("%s", hdev->name);
3857
3858 hci_dev_lock(hdev);
3859
a8b2d5c2 3860 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3861 goto unlock;
a5c29683 3862
7a828908
JH		 3863 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3864 if (!conn)
3865 goto unlock;
3866
3867 loc_mitm = (conn->auth_type & 0x01);
3868 rem_mitm = (conn->remote_auth & 0x01);
3869
3870 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3871 * (it has NoInputNoOutput) then reject the confirmation
3872 * request. We check the security level here since it doesn't
3873 * necessarily match conn->auth_type.
6fd6b915 3874 */
6c53823a
JH		 3875 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3876 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3877 BT_DBG("Rejecting request: remote device can't provide MITM");
3878 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3879 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3880 goto unlock;
3881 }
3882
3883 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3884 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3885 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3886
3887 /* If we're not the initiators request authorization to
3888 * proceed from user space (mgmt_user_confirm with
ba15a58b 3889 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3890 * side had MITM or if the local IO capability is
3891 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3892 */
3893 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3894 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3895 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3896 BT_DBG("Confirming auto-accept as acceptor");
3897 confirm_hint = 1;
3898 goto confirm;
3899 }
3900
9f61656a 3901 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3902 hdev->auto_accept_delay);
9f61656a
JH		 3903
3904 if (hdev->auto_accept_delay > 0) {
3905 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3906 queue_delayed_work(conn->hdev->workqueue,
3907 &conn->auto_accept_work, delay);
9f61656a
JH		 3908 goto unlock;
3909 }
3910
7a828908 3911 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3912 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3913 goto unlock;
3914 }
3915
55bc1a37 3916confirm:
39adbffe
JH		 3917 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3918 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3919
3920unlock:
a5c29683
JH		 3921 hci_dev_unlock(hdev);
3922}
3923
6039aa73
GP		 3924static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3925 struct sk_buff *skb)
1143d458
BG		 3926{
3927 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3928
3929 BT_DBG("%s", hdev->name);
3930
a8b2d5c2 3931 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3932 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3933}
3934
92a25256
JH		 3935static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3936 struct sk_buff *skb)
3937{
3938 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3939 struct hci_conn *conn;
3940
3941 BT_DBG("%s", hdev->name);
3942
3943 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3944 if (!conn)
3945 return;
3946
3947 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3948 conn->passkey_entered = 0;
3949
3950 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3951 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3952 conn->dst_type, conn->passkey_notify,
3953 conn->passkey_entered);
3954}
3955
3956static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3957{
3958 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3959 struct hci_conn *conn;
3960
3961 BT_DBG("%s", hdev->name);
3962
3963 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3964 if (!conn)
3965 return;
3966
3967 switch (ev->type) {
3968 case HCI_KEYPRESS_STARTED:
3969 conn->passkey_entered = 0;
3970 return;
3971
3972 case HCI_KEYPRESS_ENTERED:
3973 conn->passkey_entered++;
3974 break;
3975
3976 case HCI_KEYPRESS_ERASED:
3977 conn->passkey_entered--;
3978 break;
3979
3980 case HCI_KEYPRESS_CLEARED:
3981 conn->passkey_entered = 0;
3982 break;
3983
3984 case HCI_KEYPRESS_COMPLETED:
3985 return;
3986 }
3987
3988 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3989 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3990 conn->dst_type, conn->passkey_notify,
3991 conn->passkey_entered);
3992}
3993
6039aa73
GP		 3994static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3995 struct sk_buff *skb)
0493684e
MH		 3996{
3997 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3998 struct hci_conn *conn;
3999
4000 BT_DBG("%s", hdev->name);
4001
4002 hci_dev_lock(hdev);
4003
4004 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 4005 if (!conn)
4006 goto unlock;
4007
c1d4fa7a
JH		 4008 /* Reset the authentication requirement to unknown */
4009 conn->remote_auth = 0xff;
4010
2a611692
JH		 4011 /* To avoid duplicate auth_failed events to user space we check
4012 * the HCI_CONN_AUTH_PEND flag which will be set if we
4013 * initiated the authentication. A traditional auth_complete
4014 * event gets always produced as initiator and is also mapped to
4015 * the mgmt_auth_failed event */
fa1bd918 4016 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 4017 mgmt_auth_failed(conn, ev->status);
0493684e 4018
76a68ba0 4019 hci_conn_drop(conn);
2a611692
JH		 4020
4021unlock:
0493684e
MH		 4022 hci_dev_unlock(hdev);
4023}
4024
6039aa73
GP		 4025static void hci_remote_host_features_evt(struct hci_dev *hdev,
4026 struct sk_buff *skb)
41a96212
MH		 4027{
4028 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4029 struct inquiry_entry *ie;
cad718ed 4030 struct hci_conn *conn;
41a96212
MH		 4031
4032 BT_DBG("%s", hdev->name);
4033
4034 hci_dev_lock(hdev);
4035
cad718ed
JH		 4036 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4037 if (conn)
4038 memcpy(conn->features[1], ev->features, 8);
4039
cc11b9c1
AE		 4040 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4041 if (ie)
02b7cc62 4042 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 4043
4044 hci_dev_unlock(hdev);
4045}
4046
6039aa73
GP		 4047static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4048 struct sk_buff *skb)
2763eda6
SJ		 4049{
4050 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4051 struct oob_data *data;
4052
4053 BT_DBG("%s", hdev->name);
4054
4055 hci_dev_lock(hdev);
4056
a8b2d5c2 4057 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 4058 goto unlock;
4059
6928a924 4060 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
2763eda6 4061 if (data) {
710f11c0 4062 if (bredr_sc_enabled(hdev)) {
519ca9d0 4063 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 4064
519ca9d0
MH		 4065 bacpy(&cp.bdaddr, &ev->bdaddr);
4066 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
38da1703 4067 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
519ca9d0 4068 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
38da1703 4069 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
519ca9d0
MH		 4070
4071 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4072 sizeof(cp), &cp);
4073 } else {
4074 struct hci_cp_remote_oob_data_reply cp;
2763eda6 4075
519ca9d0
MH		 4076 bacpy(&cp.bdaddr, &ev->bdaddr);
4077 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
38da1703 4078 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
519ca9d0
MH		 4079
4080 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
4081 sizeof(cp), &cp);
4082 }
2763eda6
SJ		 4083 } else {
4084 struct hci_cp_remote_oob_data_neg_reply cp;
4085
4086 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 4087 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4088 sizeof(cp), &cp);
2763eda6
SJ		 4089 }
4090
e1ba1f15 4091unlock:
2763eda6
SJ		 4092 hci_dev_unlock(hdev);
4093}
4094
d5e91192
AE		 4095static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4096 struct sk_buff *skb)
4097{
4098 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4099 struct hci_conn *hcon, *bredr_hcon;
4100
4101 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4102 ev->status);
4103
4104 hci_dev_lock(hdev);
4105
4106 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4107 if (!hcon) {
4108 hci_dev_unlock(hdev);
4109 return;
4110 }
4111
4112 if (ev->status) {
4113 hci_conn_del(hcon);
4114 hci_dev_unlock(hdev);
4115 return;
4116 }
4117
4118 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4119
4120 hcon->state = BT_CONNECTED;
4121 bacpy(&hcon->dst, &bredr_hcon->dst);
4122
4123 hci_conn_hold(hcon);
4124 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4125 hci_conn_drop(hcon);
d5e91192 4126
d5e91192
AE		 4127 hci_conn_add_sysfs(hcon);
4128
cf70ff22 4129 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4130
cf70ff22 4131 hci_dev_unlock(hdev);
d5e91192
AE		 4132}
4133
27695fb4
AE		 4134static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4135{
4136 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4137 struct hci_conn *hcon;
4138 struct hci_chan *hchan;
4139 struct amp_mgr *mgr;
4140
4141 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4142 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4143 ev->status);
4144
4145 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4146 if (!hcon)
4147 return;
4148
4149 /* Create AMP hchan */
4150 hchan = hci_chan_create(hcon);
4151 if (!hchan)
4152 return;
4153
4154 hchan->handle = le16_to_cpu(ev->handle);
4155
4156 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4157
4158 mgr = hcon->amp_mgr;
4159 if (mgr && mgr->bredr_chan) {
4160 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4161
4162 l2cap_chan_lock(bredr_chan);
4163
4164 bredr_chan->conn->mtu = hdev->block_mtu;
4165 l2cap_logical_cfm(bredr_chan, hchan, 0);
4166 hci_conn_hold(hcon);
4167
4168 l2cap_chan_unlock(bredr_chan);
4169 }
4170}
4171
606e2a10
AE		 4172static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4173 struct sk_buff *skb)
4174{
4175 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4176 struct hci_chan *hchan;
4177
4178 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4179 le16_to_cpu(ev->handle), ev->status);
4180
4181 if (ev->status)
4182 return;
4183
4184 hci_dev_lock(hdev);
4185
4186 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4187 if (!hchan)
4188 goto unlock;
4189
4190 amp_destroy_logical_link(hchan, ev->reason);
4191
4192unlock:
4193 hci_dev_unlock(hdev);
4194}
4195
9eef6b3a
AE		 4196static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4197 struct sk_buff *skb)
4198{
4199 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4200 struct hci_conn *hcon;
4201
4202 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4203
4204 if (ev->status)
4205 return;
4206
4207 hci_dev_lock(hdev);
4208
4209 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4210 if (hcon) {
4211 hcon->state = BT_CLOSED;
4212 hci_conn_del(hcon);
4213 }
4214
4215 hci_dev_unlock(hdev);
4216}
4217
6039aa73 4218static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4219{
4220 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4221 struct hci_conn_params *params;
fcd89c09 4222 struct hci_conn *conn;
68d6f6de 4223 struct smp_irk *irk;
837d502e 4224 u8 addr_type;
fcd89c09 4225
9f1db00c 4226 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4227
4228 hci_dev_lock(hdev);
4229
fbd96c15
JH		 4230 /* All controllers implicitly stop advertising in the event of a
4231 * connection, so ensure that the state bit is cleared.
4232 */
4233 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4234
b47a09b3 4235 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4236 if (!conn) {
a5c4e309 4237 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4238 if (!conn) {
4239 BT_ERR("No memory for new connection");
230fd16a 4240 goto unlock;
b62f328b 4241 }
29b7988a
AG		 4242
4243 conn->dst_type = ev->bdaddr_type;
b9b343d2 4244
cb1d68f7
JH		 4245 /* If we didn't have a hci_conn object previously
4246 * but we're in master role this must be something
4247 * initiated using a white list. Since white list based
4248 * connections are not "first class citizens" we don't
4249 * have full tracking of them. Therefore, we go ahead
4250 * with a "best effort" approach of determining the
4251 * initiator address based on the HCI_PRIVACY flag.
4252 */
4253 if (conn->out) {
4254 conn->resp_addr_type = ev->bdaddr_type;
4255 bacpy(&conn->resp_addr, &ev->bdaddr);
4256 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4257 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4258 bacpy(&conn->init_addr, &hdev->rpa);
4259 } else {
4260 hci_copy_identity_address(hdev,
4261 &conn->init_addr,
4262 &conn->init_addr_type);
4263 }
cb1d68f7 4264 }
9489eca4
JH		 4265 } else {
4266 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4267 }
fcd89c09 4268
80c24ab8
JH		 4269 if (!conn->out) {
4270 /* Set the responder (our side) address type based on
4271 * the advertising address type.
4272 */
4273 conn->resp_addr_type = hdev->adv_addr_type;
4274 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4275 bacpy(&conn->resp_addr, &hdev->random_addr);
4276 else
4277 bacpy(&conn->resp_addr, &hdev->bdaddr);
4278
4279 conn->init_addr_type = ev->bdaddr_type;
4280 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4281
4282 /* For incoming connections, set the default minimum
4283 * and maximum connection interval. They will be used
4284 * to check if the parameters are in range and if not
4285 * trigger the connection update procedure.
4286 */
4287 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4288 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4289 }
7be2edbb 4290
edb4b466
MH		 4291 /* Lookup the identity address from the stored connection
4292 * address and address type.
4293 *
4294 * When establishing connections to an identity address, the
4295 * connection procedure will store the resolvable random
4296 * address first. Now if it can be converted back into the
4297 * identity address, start using the identity address from
4298 * now on.
4299 */
4300 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4301 if (irk) {
4302 bacpy(&conn->dst, &irk->bdaddr);
4303 conn->dst_type = irk->addr_type;
4304 }
4305
2d3c2260
JH		 4306 if (ev->status) {
4307 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4308 goto unlock;
4309 }
4310
08853f18
JH		 4311 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4312 addr_type = BDADDR_LE_PUBLIC;
4313 else
4314 addr_type = BDADDR_LE_RANDOM;
4315
2d3c2260
JH		 4316 /* Drop the connection if the device is blocked */
4317 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4318 hci_conn_drop(conn);
cd17decb
AG		 4319 goto unlock;
4320 }
4321
b644ba33 4322 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4323 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4324
7b5c0d52 4325 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4326 conn->handle = __le16_to_cpu(ev->handle);
4327 conn->state = BT_CONNECTED;
4328
e04fde60
MH		 4329 conn->le_conn_interval = le16_to_cpu(ev->interval);
4330 conn->le_conn_latency = le16_to_cpu(ev->latency);
4331 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4332
fcd89c09
VT		 4333 hci_conn_add_sysfs(conn);
4334
4335 hci_proto_connect_cfm(conn, ev->status);
4336
5477610f
JH		 4337 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4338 conn->dst_type);
f161dd41 4339 if (params) {
95305baa 4340 list_del_init(&params->action);
f161dd41
JH		 4341 if (params->conn) {
4342 hci_conn_drop(params->conn);
f8aaf9b6 4343 hci_conn_put(params->conn);
f161dd41
JH		 4344 params->conn = NULL;
4345 }
4346 }
a4790dbd 4347
fcd89c09 4348unlock:
223683a5 4349 hci_update_background_scan(hdev);
fcd89c09
VT		 4350 hci_dev_unlock(hdev);
4351}
4352
1855d92d
MH		 4353static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4354 struct sk_buff *skb)
4355{
4356 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4357 struct hci_conn *conn;
4358
4359 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4360
4361 if (ev->status)
4362 return;
4363
4364 hci_dev_lock(hdev);
4365
4366 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4367 if (conn) {
4368 conn->le_conn_interval = le16_to_cpu(ev->interval);
4369 conn->le_conn_latency = le16_to_cpu(ev->latency);
4370 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4371 }
4372
4373 hci_dev_unlock(hdev);
4374}
4375
a4790dbd 4376/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4377static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4378 bdaddr_t *addr,
4379 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4380{
4381 struct hci_conn *conn;
4b9e7e75 4382 struct hci_conn_params *params;
a4790dbd 4383
1c1abcab
JH		 4384 /* If the event is not connectable don't proceed further */
4385 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4386 return NULL;
1c1abcab
JH		 4387
4388 /* Ignore if the device is blocked */
dcc36c16 4389 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4390 return NULL;
1c1abcab 4391
f99353cf
JH		 4392 /* Most controller will fail if we try to create new connections
4393 * while we have an existing one in slave role.
4394 */
4395 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4396 return NULL;
f99353cf 4397
1c1abcab
JH		 4398 /* If we're not connectable only connect devices that we have in
4399 * our pend_le_conns list.
4400 */
4b9e7e75
MH		 4401 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4402 addr, addr_type);
4403 if (!params)
fd45ada9 4404 return NULL;
4b9e7e75
MH		 4405
4406 switch (params->auto_connect) {
4407 case HCI_AUTO_CONN_DIRECT:
4408 /* Only devices advertising with ADV_DIRECT_IND are
4409 * triggering a connection attempt. This is allowing
4410 * incoming connections from slave devices.
4411 */
4412 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4413 return NULL;
4b9e7e75
MH		 4414 break;
4415 case HCI_AUTO_CONN_ALWAYS:
4416 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4417 * are triggering a connection attempt. This means
4418 * that incoming connectioms from slave device are
4419 * accepted and also outgoing connections to slave
4420 * devices are established when found.
4421 */
4422 break;
4423 default:
fd45ada9 4424 return NULL;
4b9e7e75 4425 }
a4790dbd
AG		 4426
4427 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4428 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4429 if (!IS_ERR(conn)) {
4430 /* Store the pointer since we don't really have any
4431 * other owner of the object besides the params that
4432 * triggered it. This way we can abort the connection if
4433 * the parameters get removed and keep the reference
4434 * count consistent once the connection is established.
4435 */
f8aaf9b6 4436 params->conn = hci_conn_get(conn);
fd45ada9 4437 return conn;
f161dd41 4438 }
a4790dbd
AG		 4439
4440 switch (PTR_ERR(conn)) {
4441 case -EBUSY:
4442 /* If hci_connect() returns -EBUSY it means there is already
4443 * an LE connection attempt going on. Since controllers don't
4444 * support more than one connection attempt at the time, we
4445 * don't consider this an error case.
4446 */
4447 break;
4448 default:
4449 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4450 return NULL;
a4790dbd 4451 }
fd45ada9
AA		 4452
4453 return NULL;
a4790dbd
AG		 4454}
4455
4af605d8 4456static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
2f010b55
MH		 4457 u8 bdaddr_type, bdaddr_t *direct_addr,
4458 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4af605d8 4459{
b9a6328f 4460 struct discovery_state *d = &hdev->discovery;
1c1abcab 4461 struct smp_irk *irk;
fd45ada9 4462 struct hci_conn *conn;
474ee066 4463 bool match;
c70a7e4c 4464 u32 flags;
b9a6328f 4465
2f010b55
MH		 4466 /* If the direct address is present, then this report is from
4467 * a LE Direct Advertising Report event. In that case it is
4468 * important to see if the address is matching the local
4469 * controller address.
4470 */
4471 if (direct_addr) {
4472 /* Only resolvable random addresses are valid for these
4473 * kind of reports and others can be ignored.
4474 */
4475 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4476 return;
4477
4478 /* If the controller is not using resolvable random
4479 * addresses, then this report can be ignored.
4480 */
4481 if (!test_bit(HCI_PRIVACY, &hdev->dev_flags))
4482 return;
4483
4484 /* If the local IRK of the controller does not match
4485 * with the resolvable random address provided, then
4486 * this report can be ignored.
4487 */
4488 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4489 return;
4490 }
4491
1c1abcab
JH		 4492 /* Check if we need to convert to identity address */
4493 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4494 if (irk) {
4495 bdaddr = &irk->bdaddr;
4496 bdaddr_type = irk->addr_type;
4497 }
4498
4499 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4500 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4501 if (conn && type == LE_ADV_IND) {
4502 /* Store report for later inclusion by
4503 * mgmt_device_connected
4504 */
4505 memcpy(conn->le_adv_data, data, len);
4506 conn->le_adv_data_len = len;
4507 }
1c1abcab 4508
0d2bf134
JH		 4509 /* Passive scanning shouldn't trigger any device found events,
4510 * except for devices marked as CONN_REPORT for which we do send
4511 * device found events.
4512 */
ca5c4be7 4513 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4514 if (type == LE_ADV_DIRECT_IND)
4515 return;
4516
3a19b6fe
JH		 4517 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4518 bdaddr, bdaddr_type))
0d2bf134
JH		 4519 return;
4520
4521 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4522 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4523 else
4524 flags = 0;
4525 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4526 rssi, flags, data, len, NULL, 0);
97bf2e99 4527 return;
ca5c4be7 4528 }
4af605d8 4529
c70a7e4c
MH		 4530 /* When receiving non-connectable or scannable undirected
4531 * advertising reports, this means that the remote device is
4532 * not connectable and then clearly indicate this in the
4533 * device found event.
4534 *
4535 * When receiving a scan response, then there is no way to
4536 * know if the remote device is connectable or not. However
4537 * since scan responses are merged with a previously seen
4538 * advertising report, the flags field from that report
4539 * will be used.
4540 *
4541 * In the really unlikely case that a controller get confused
4542 * and just sends a scan response event, then it is marked as
4543 * not connectable as well.
4544 */
4545 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4546 type == LE_ADV_SCAN_RSP)
4547 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4548 else
4549 flags = 0;
4550
b9a6328f
JH		 4551 /* If there's nothing pending either store the data from this
4552 * event or send an immediate device found event if the data
4553 * should not be stored for later.
4554 */
4555 if (!has_pending_adv_report(hdev)) {
4556 /* If the report will trigger a SCAN_REQ store it for
4557 * later merging.
4558 */
4559 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4560 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4561 rssi, flags, data, len);
b9a6328f
JH		 4562 return;
4563 }
4564
4565 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4566 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4567 return;
4568 }
4569
474ee066
JH		 4570 /* Check if the pending report is for the same device as the new one */
4571 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4572 bdaddr_type == d->last_adv_addr_type);
4573
b9a6328f
JH		 4574 /* If the pending data doesn't match this report or this isn't a
4575 * scan response (e.g. we got a duplicate ADV_IND) then force
4576 * sending of the pending data.
4577 */
474ee066
JH		 4578 if (type != LE_ADV_SCAN_RSP || !match) {
4579 /* Send out whatever is in the cache, but skip duplicates */
4580 if (!match)
4581 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4582 d->last_adv_addr_type, NULL,
c70a7e4c 4583 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4584 d->last_adv_data,
474ee066 4585 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4586
4587 /* If the new report will trigger a SCAN_REQ store it for
4588 * later merging.
4589 */
4590 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4591 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4592 rssi, flags, data, len);
b9a6328f
JH		 4593 return;
4594 }
4595
4596 /* The advertising reports cannot be merged, so clear
4597 * the pending report and send out a device found event.
4598 */
4599 clear_pending_adv_report(hdev);
5c5b93e4 4600 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4601 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4602 return;
4603 }
4604
4605 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4606 * the new event is a SCAN_RSP. We can therefore proceed with
4607 * sending a merged device found event.
4608 */
4609 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4610 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4611 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4612 clear_pending_adv_report(hdev);
4af605d8
JH		 4613}
4614
6039aa73 4615static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4616{
e95beb41
AG		 4617 u8 num_reports = skb->data[0];
4618 void *ptr = &skb->data[1];
9aa04c91 4619
a4790dbd
AG		 4620 hci_dev_lock(hdev);
4621
e95beb41
AG		 4622 while (num_reports--) {
4623 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4624 s8 rssi;
a4790dbd 4625
3c9e9195 4626 rssi = ev->data[ev->length];
4af605d8 4627 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
2f010b55
MH		 4628 ev->bdaddr_type, NULL, 0, rssi,
4629 ev->data, ev->length);
3c9e9195 4630
e95beb41 4631 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4632 }
a4790dbd
AG		 4633
4634 hci_dev_unlock(hdev);
9aa04c91
AG		 4635}
4636
6039aa73 4637static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4638{
4639 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4640 struct hci_cp_le_ltk_reply cp;
bea710fe 4641 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4642 struct hci_conn *conn;
c9839a11 4643 struct smp_ltk *ltk;
a7a595f6 4644
9f1db00c 4645 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4646
4647 hci_dev_lock(hdev);
4648
4649 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4650 if (conn == NULL)
4651 goto not_found;
a7a595f6 4652
f3a73d97 4653 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
5378bc56 4654 if (!ltk)
bea710fe
VCG		 4655 goto not_found;
4656
5378bc56
JH		 4657 if (smp_ltk_is_sc(ltk)) {
4658 /* With SC both EDiv and Rand are set to zero */
4659 if (ev->ediv || ev->rand)
4660 goto not_found;
4661 } else {
4662 /* For non-SC keys check that EDiv and Rand match */
4663 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4664 goto not_found;
4665 }
4666
bea710fe 4667 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4668 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4669
a6f7833c 4670 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4671
89cbb4da 4672 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4673
4674 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4675
5981a882
CT		 4676 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4677 * temporary key used to encrypt a connection following
4678 * pairing. It is used during the Encrypted Session Setup to
4679 * distribute the keys. Later, security can be re-established
4680 * using a distributed LTK.
4681 */
2ceba539 4682 if (ltk->type == SMP_STK) {
fe59a05f 4683 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
970d0f1b
JH		 4684 list_del_rcu(&ltk->list);
4685 kfree_rcu(ltk, rcu);
fe59a05f
JH		 4686 } else {
4687 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4688 }
4689
a7a595f6 4690 hci_dev_unlock(hdev);
bea710fe
VCG		 4691
4692 return;
4693
4694not_found:
4695 neg.handle = ev->handle;
4696 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4697 hci_dev_unlock(hdev);
a7a595f6
VCG		 4698}
4699
8e75b46a
AG		 4700static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4701 u8 reason)
4702{
4703 struct hci_cp_le_conn_param_req_neg_reply cp;
4704
4705 cp.handle = cpu_to_le16(handle);
4706 cp.reason = reason;
4707
4708 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4709 &cp);
4710}
4711
4712static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4713 struct sk_buff *skb)
4714{
4715 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4716 struct hci_cp_le_conn_param_req_reply cp;
4717 struct hci_conn *hcon;
4718 u16 handle, min, max, latency, timeout;
4719
4720 handle = le16_to_cpu(ev->handle);
4721 min = le16_to_cpu(ev->interval_min);
4722 max = le16_to_cpu(ev->interval_max);
4723 latency = le16_to_cpu(ev->latency);
4724 timeout = le16_to_cpu(ev->timeout);
4725
4726 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4727 if (!hcon || hcon->state != BT_CONNECTED)
4728 return send_conn_param_neg_reply(hdev, handle,
4729 HCI_ERROR_UNKNOWN_CONN_ID);
4730
4731 if (hci_check_conn_params(min, max, latency, timeout))
4732 return send_conn_param_neg_reply(hdev, handle,
4733 HCI_ERROR_INVALID_LL_PARAMS);
4734
40bef302 4735 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4736 struct hci_conn_params *params;
f4869e2a 4737 u8 store_hint;
348d50b8
JH		 4738
4739 hci_dev_lock(hdev);
4740
4741 params = hci_conn_params_lookup(hdev, &hcon->dst,
4742 hcon->dst_type);
4743 if (params) {
4744 params->conn_min_interval = min;
4745 params->conn_max_interval = max;
4746 params->conn_latency = latency;
4747 params->supervision_timeout = timeout;
f4869e2a
JH		 4748 store_hint = 0x01;
4749 } else{
4750 store_hint = 0x00;
348d50b8
JH		 4751 }
4752
4753 hci_dev_unlock(hdev);
4754
f4869e2a
JH		 4755 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4756 store_hint, min, max, latency, timeout);
348d50b8 4757 }
ffb5a827 4758
8e75b46a
AG		 4759 cp.handle = ev->handle;
4760 cp.interval_min = ev->interval_min;
4761 cp.interval_max = ev->interval_max;
4762 cp.latency = ev->latency;
4763 cp.timeout = ev->timeout;
4764 cp.min_ce_len = 0;
4765 cp.max_ce_len = 0;
4766
4767 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4768}
4769
2f010b55
MH		 4770static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4771 struct sk_buff *skb)
4772{
4773 u8 num_reports = skb->data[0];
4774 void *ptr = &skb->data[1];
4775
4776 hci_dev_lock(hdev);
4777
4778 while (num_reports--) {
4779 struct hci_ev_le_direct_adv_info *ev = ptr;
4780
4781 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4782 ev->bdaddr_type, &ev->direct_addr,
4783 ev->direct_addr_type, ev->rssi, NULL, 0);
4784
4785 ptr += sizeof(*ev);
4786 }
4787
4788 hci_dev_unlock(hdev);
4789}
4790
6039aa73 4791static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4792{
4793 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4794
4795 skb_pull(skb, sizeof(*le_ev));
4796
4797 switch (le_ev->subevent) {
4798 case HCI_EV_LE_CONN_COMPLETE:
4799 hci_le_conn_complete_evt(hdev, skb);
4800 break;
4801
1855d92d
MH		 4802 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4803 hci_le_conn_update_complete_evt(hdev, skb);
4804 break;
4805
9aa04c91
AG		 4806 case HCI_EV_LE_ADVERTISING_REPORT:
4807 hci_le_adv_report_evt(hdev, skb);
4808 break;
4809
a7a595f6
VCG		 4810 case HCI_EV_LE_LTK_REQ:
4811 hci_le_ltk_request_evt(hdev, skb);
4812 break;
4813
8e75b46a
AG		 4814 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4815 hci_le_remote_conn_param_req_evt(hdev, skb);
4816 break;
4817
2f010b55
MH		 4818 case HCI_EV_LE_DIRECT_ADV_REPORT:
4819 hci_le_direct_adv_report_evt(hdev, skb);
4820 break;
4821
fcd89c09
VT		 4822 default:
4823 break;
4824 }
4825}
4826
9495b2ee
AE		 4827static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4828{
4829 struct hci_ev_channel_selected *ev = (void *) skb->data;
4830 struct hci_conn *hcon;
4831
4832 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4833
4834 skb_pull(skb, sizeof(*ev));
4835
4836 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4837 if (!hcon)
4838 return;
4839
4840 amp_read_loc_assoc_final_data(hdev, hcon);
4841}
4842
a9de9248
MH		 4843void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4844{
4845 struct hci_event_hdr *hdr = (void *) skb->data;
4846 __u8 event = hdr->evt;
4847
b6ddb638
JH		 4848 hci_dev_lock(hdev);
4849
4850 /* Received events are (currently) only needed when a request is
4851 * ongoing so avoid unnecessary memory allocation.
4852 */
899de765 4853 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4854 kfree_skb(hdev->recv_evt);
4855 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4856 }
4857
4858 hci_dev_unlock(hdev);
4859
a9de9248
MH		 4860 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4861
02350a72 4862 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4863 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4864 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4865
4866 hci_req_cmd_complete(hdev, opcode, 0);
4867 }
4868
a9de9248 4869 switch (event) {
1da177e4
LT		 4870 case HCI_EV_INQUIRY_COMPLETE:
4871 hci_inquiry_complete_evt(hdev, skb);
4872 break;
4873
4874 case HCI_EV_INQUIRY_RESULT:
4875 hci_inquiry_result_evt(hdev, skb);
4876 break;
4877
a9de9248
MH		 4878 case HCI_EV_CONN_COMPLETE:
4879 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4880 break;
4881
1da177e4
LT		 4882 case HCI_EV_CONN_REQUEST:
4883 hci_conn_request_evt(hdev, skb);
4884 break;
4885
1da177e4
LT		 4886 case HCI_EV_DISCONN_COMPLETE:
4887 hci_disconn_complete_evt(hdev, skb);
4888 break;
4889
1da177e4
LT		 4890 case HCI_EV_AUTH_COMPLETE:
4891 hci_auth_complete_evt(hdev, skb);
4892 break;
4893
a9de9248
MH		 4894 case HCI_EV_REMOTE_NAME:
4895 hci_remote_name_evt(hdev, skb);
4896 break;
4897
1da177e4
LT		 4898 case HCI_EV_ENCRYPT_CHANGE:
4899 hci_encrypt_change_evt(hdev, skb);
4900 break;
4901
a9de9248
MH		 4902 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4903 hci_change_link_key_complete_evt(hdev, skb);
4904 break;
4905
4906 case HCI_EV_REMOTE_FEATURES:
4907 hci_remote_features_evt(hdev, skb);
4908 break;
4909
a9de9248
MH		 4910 case HCI_EV_CMD_COMPLETE:
4911 hci_cmd_complete_evt(hdev, skb);
4912 break;
4913
4914 case HCI_EV_CMD_STATUS:
4915 hci_cmd_status_evt(hdev, skb);
4916 break;
4917
24dfa343
MH		 4918 case HCI_EV_HARDWARE_ERROR:
4919 hci_hardware_error_evt(hdev, skb);
4920 break;
4921
a9de9248
MH		 4922 case HCI_EV_ROLE_CHANGE:
4923 hci_role_change_evt(hdev, skb);
4924 break;
4925
4926 case HCI_EV_NUM_COMP_PKTS:
4927 hci_num_comp_pkts_evt(hdev, skb);
4928 break;
4929
4930 case HCI_EV_MODE_CHANGE:
4931 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4932 break;
4933
4934 case HCI_EV_PIN_CODE_REQ:
4935 hci_pin_code_request_evt(hdev, skb);
4936 break;
4937
4938 case HCI_EV_LINK_KEY_REQ:
4939 hci_link_key_request_evt(hdev, skb);
4940 break;
4941
4942 case HCI_EV_LINK_KEY_NOTIFY:
4943 hci_link_key_notify_evt(hdev, skb);
4944 break;
4945
4946 case HCI_EV_CLOCK_OFFSET:
4947 hci_clock_offset_evt(hdev, skb);
4948 break;
4949
a8746417
MH		 4950 case HCI_EV_PKT_TYPE_CHANGE:
4951 hci_pkt_type_change_evt(hdev, skb);
4952 break;
4953
85a1e930
MH		 4954 case HCI_EV_PSCAN_REP_MODE:
4955 hci_pscan_rep_mode_evt(hdev, skb);
4956 break;
4957
a9de9248
MH		 4958 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4959 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4960 break;
4961
a9de9248
MH		 4962 case HCI_EV_REMOTE_EXT_FEATURES:
4963 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4964 break;
4965
a9de9248
MH		 4966 case HCI_EV_SYNC_CONN_COMPLETE:
4967 hci_sync_conn_complete_evt(hdev, skb);
4968 break;
1da177e4 4969
a9de9248
MH		 4970 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4971 hci_extended_inquiry_result_evt(hdev, skb);
4972 break;
1da177e4 4973
1c2e0041
JH		 4974 case HCI_EV_KEY_REFRESH_COMPLETE:
4975 hci_key_refresh_complete_evt(hdev, skb);
4976 break;
4977
0493684e
MH		 4978 case HCI_EV_IO_CAPA_REQUEST:
4979 hci_io_capa_request_evt(hdev, skb);
4980 break;
4981
03b555e1
JH		 4982 case HCI_EV_IO_CAPA_REPLY:
4983 hci_io_capa_reply_evt(hdev, skb);
4984 break;
4985
a5c29683
JH		 4986 case HCI_EV_USER_CONFIRM_REQUEST:
4987 hci_user_confirm_request_evt(hdev, skb);
4988 break;
4989
1143d458
BG		 4990 case HCI_EV_USER_PASSKEY_REQUEST:
4991 hci_user_passkey_request_evt(hdev, skb);
4992 break;
4993
92a25256
JH		 4994 case HCI_EV_USER_PASSKEY_NOTIFY:
4995 hci_user_passkey_notify_evt(hdev, skb);
4996 break;
4997
4998 case HCI_EV_KEYPRESS_NOTIFY:
4999 hci_keypress_notify_evt(hdev, skb);
5000 break;
5001
0493684e
MH		 5002 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5003 hci_simple_pair_complete_evt(hdev, skb);
5004 break;
5005
41a96212
MH		 5006 case HCI_EV_REMOTE_HOST_FEATURES:
5007 hci_remote_host_features_evt(hdev, skb);
5008 break;
5009
fcd89c09
VT		 5010 case HCI_EV_LE_META:
5011 hci_le_meta_evt(hdev, skb);
5012 break;
5013
9495b2ee
AE		 5014 case HCI_EV_CHANNEL_SELECTED:
5015 hci_chan_selected_evt(hdev, skb);
5016 break;
5017
2763eda6
SJ		 5018 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5019 hci_remote_oob_data_request_evt(hdev, skb);
5020 break;
5021
d5e91192
AE		 5022 case HCI_EV_PHY_LINK_COMPLETE:
5023 hci_phy_link_complete_evt(hdev, skb);
5024 break;
5025
27695fb4
AE		 5026 case HCI_EV_LOGICAL_LINK_COMPLETE:
5027 hci_loglink_complete_evt(hdev, skb);
5028 break;
5029
606e2a10
AE		 5030 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5031 hci_disconn_loglink_complete_evt(hdev, skb);
5032 break;
5033
9eef6b3a
AE		 5034 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5035 hci_disconn_phylink_complete_evt(hdev, skb);
5036 break;
5037
25e89e99
AE		 5038 case HCI_EV_NUM_COMP_BLOCKS:
5039 hci_num_comp_blocks_evt(hdev, skb);
5040 break;
5041
a9de9248 5042 default:
9f1db00c 5043 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 5044 break;
5045 }
5046
5047 kfree_skb(skb);
5048 hdev->stat.evt_rx++;
5049}
Linux 6.x block layer and io_uring tree(s)