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Bluetooth: Introduce a flag to track who really initiates authentication
[deliverable/linux.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
a297e97c 192 /* Reset all non-persistent flags */
2cc6fb00 193 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 194
195 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 196 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
197 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 198
199 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
200 hdev->adv_data_len = 0;
f8e808bd
MH		 201
202 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
203 hdev->scan_rsp_data_len = 0;
06f5b778 204
533553f8
MH		 205 hdev->le_scan_type = LE_SCAN_PASSIVE;
206
06f5b778 207 hdev->ssp_debug_mode = 0;
a9de9248 208}
04837f64 209
a9de9248
MH		 210static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
211{
212 __u8 status = *((__u8 *) skb->data);
213 void *sent;
04837f64 214
9f1db00c 215 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 216
a9de9248
MH		 217 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
218 if (!sent)
219 return;
04837f64 220
56e5cb86
JH		 221 hci_dev_lock(hdev);
222
f51d5b24
JH		 223 if (test_bit(HCI_MGMT, &hdev->dev_flags))
224 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 225 else if (!status)
226 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 227
56e5cb86 228 hci_dev_unlock(hdev);
a9de9248
MH		 229}
230
231static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
232{
233 struct hci_rp_read_local_name *rp = (void *) skb->data;
234
9f1db00c 235 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 236
237 if (rp->status)
238 return;
239
db99b5fc
JH		 240 if (test_bit(HCI_SETUP, &hdev->dev_flags))
241 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 242}
243
244static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
245{
246 __u8 status = *((__u8 *) skb->data);
247 void *sent;
248
9f1db00c 249 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 250
251 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
252 if (!sent)
253 return;
254
255 if (!status) {
256 __u8 param = *((__u8 *) sent);
257
258 if (param == AUTH_ENABLED)
259 set_bit(HCI_AUTH, &hdev->flags);
260 else
261 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 262 }
a9de9248 263
33ef95ed
JH		 264 if (test_bit(HCI_MGMT, &hdev->dev_flags))
265 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 266}
267
a9de9248 268static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 269{
a9de9248 270 __u8 status = *((__u8 *) skb->data);
45296acd 271 __u8 param;
1da177e4
LT		 272 void *sent;
273
9f1db00c 274 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 275
45296acd
MH		 276 if (status)
277 return;
278
a9de9248
MH		 279 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
280 if (!sent)
281 return;
1da177e4 282
45296acd 283 param = *((__u8 *) sent);
a9de9248 284
45296acd
MH		 285 if (param)
286 set_bit(HCI_ENCRYPT, &hdev->flags);
287 else
288 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 289}
1da177e4 290
a9de9248
MH		 291static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
292{
45296acd
MH		 293 __u8 status = *((__u8 *) skb->data);
294 __u8 param;
a9de9248 295 void *sent;
1da177e4 296
9f1db00c 297 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 298
a9de9248
MH		 299 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
300 if (!sent)
301 return;
1da177e4 302
36f7fc7e
JH		 303 param = *((__u8 *) sent);
304
56e5cb86
JH		 305 hci_dev_lock(hdev);
306
fa1bd918 307 if (status) {
2d7cee58
JH		 308 hdev->discov_timeout = 0;
309 goto done;
310 }
311
bc6d2d04 312 if (param & SCAN_INQUIRY)
36f7fc7e 313 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 314 else
315 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 316
031547d8 317 if (param & SCAN_PAGE)
36f7fc7e 318 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04
JH		 319 else
320 clear_bit(HCI_ISCAN, &hdev->flags);
1da177e4 321
36f7fc7e 322done:
56e5cb86 323 hci_dev_unlock(hdev);
a9de9248 324}
1da177e4 325
a9de9248
MH		 326static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
327{
328 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 329
9f1db00c 330 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 331
a9de9248
MH		 332 if (rp->status)
333 return;
1da177e4 334
a9de9248 335 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 336
a9de9248 337 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 338 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 339}
1da177e4 340
a9de9248
MH		 341static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
342{
343 __u8 status = *((__u8 *) skb->data);
344 void *sent;
1da177e4 345
9f1db00c 346 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 347
a9de9248
MH		 348 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
349 if (!sent)
350 return;
1da177e4 351
7f9a903c
MH		 352 hci_dev_lock(hdev);
353
354 if (status == 0)
355 memcpy(hdev->dev_class, sent, 3);
356
357 if (test_bit(HCI_MGMT, &hdev->dev_flags))
358 mgmt_set_class_of_dev_complete(hdev, sent, status);
359
360 hci_dev_unlock(hdev);
a9de9248 361}
1da177e4 362
a9de9248
MH		 363static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
364{
365 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
366 __u16 setting;
367
9f1db00c 368 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 369
370 if (rp->status)
371 return;
372
373 setting = __le16_to_cpu(rp->voice_setting);
374
f383f275 375 if (hdev->voice_setting == setting)
a9de9248
MH		 376 return;
377
378 hdev->voice_setting = setting;
379
9f1db00c 380 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 381
3c54711c 382 if (hdev->notify)
a9de9248 383 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 384}
385
8fc9ced3
GP		 386static void hci_cc_write_voice_setting(struct hci_dev *hdev,
387 struct sk_buff *skb)
a9de9248
MH		 388{
389 __u8 status = *((__u8 *) skb->data);
f383f275 390 __u16 setting;
a9de9248
MH		 391 void *sent;
392
9f1db00c 393 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 394
f383f275
MH		 395 if (status)
396 return;
397
a9de9248
MH		 398 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
399 if (!sent)
400 return;
1da177e4 401
f383f275 402 setting = get_unaligned_le16(sent);
1da177e4 403
f383f275
MH		 404 if (hdev->voice_setting == setting)
405 return;
406
407 hdev->voice_setting = setting;
1da177e4 408
9f1db00c 409 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 410
3c54711c 411 if (hdev->notify)
f383f275 412 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 413}
414
b4cb9fb2
MH		 415static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
416 struct sk_buff *skb)
417{
418 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
419
420 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
421
422 if (rp->status)
423 return;
424
425 hdev->num_iac = rp->num_iac;
426
427 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
428}
429
333140b5
MH		 430static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
431{
432 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 433 struct hci_cp_write_ssp_mode *sent;
333140b5 434
9f1db00c 435 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 436
333140b5
MH		 437 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
438 if (!sent)
439 return;
440
5ed8eb2f
JH		 441 if (!status) {
442 if (sent->mode)
cad718ed 443 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 444 else
cad718ed 445 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 446 }
447
ed2c4ee3 448 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 449 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 450 else if (!status) {
5ed8eb2f 451 if (sent->mode)
c0ecddc2
JH		 452 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
453 else
454 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
455 }
333140b5
MH		 456}
457
eac83dc6
MH		 458static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
459{
460 u8 status = *((u8 *) skb->data);
461 struct hci_cp_write_sc_support *sent;
462
463 BT_DBG("%s status 0x%2.2x", hdev->name, status);
464
465 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
466 if (!sent)
467 return;
468
469 if (!status) {
470 if (sent->support)
471 hdev->features[1][0] |= LMP_HOST_SC;
472 else
473 hdev->features[1][0] &= ~LMP_HOST_SC;
474 }
475
476 if (test_bit(HCI_MGMT, &hdev->dev_flags))
477 mgmt_sc_enable_complete(hdev, sent->support, status);
478 else if (!status) {
479 if (sent->support)
480 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
481 else
482 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
483 }
484}
485
a9de9248
MH		 486static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
487{
488 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 489
9f1db00c 490 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 491
a9de9248 492 if (rp->status)
42c6b129 493 return;
1143e5a6 494
0d5551f5
MH		 495 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
496 hdev->hci_ver = rp->hci_ver;
497 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
498 hdev->lmp_ver = rp->lmp_ver;
499 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
500 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
501 }
d5859e22
JH		 502}
503
8fc9ced3
GP		 504static void hci_cc_read_local_commands(struct hci_dev *hdev,
505 struct sk_buff *skb)
a9de9248
MH		 506{
507 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 508
9f1db00c 509 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 510
6a070e6e
MH		 511 if (rp->status)
512 return;
513
514 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 515 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 516}
1da177e4 517
8fc9ced3
GP		 518static void hci_cc_read_local_features(struct hci_dev *hdev,
519 struct sk_buff *skb)
a9de9248
MH		 520{
521 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 522
9f1db00c 523 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 524
a9de9248
MH		 525 if (rp->status)
526 return;
5b7f9909 527
a9de9248 528 memcpy(hdev->features, rp->features, 8);
5b7f9909 529
a9de9248
MH		 530 /* Adjust default settings according to features
531 * supported by device. */
1da177e4 532
cad718ed 533 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 534 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 535
cad718ed 536 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 537 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 538
cad718ed 539 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 540 hdev->pkt_type |= (HCI_HV2);
541 hdev->esco_type |= (ESCO_HV2);
542 }
1da177e4 543
cad718ed 544 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 545 hdev->pkt_type |= (HCI_HV3);
546 hdev->esco_type |= (ESCO_HV3);
547 }
1da177e4 548
45db810f 549 if (lmp_esco_capable(hdev))
a9de9248 550 hdev->esco_type |= (ESCO_EV3);
da1f5198 551
cad718ed 552 if (hdev->features[0][4] & LMP_EV4)
a9de9248 553 hdev->esco_type |= (ESCO_EV4);
da1f5198 554
cad718ed 555 if (hdev->features[0][4] & LMP_EV5)
a9de9248 556 hdev->esco_type |= (ESCO_EV5);
1da177e4 557
cad718ed 558 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 559 hdev->esco_type |= (ESCO_2EV3);
560
cad718ed 561 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 562 hdev->esco_type |= (ESCO_3EV3);
563
cad718ed 564 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 565 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 566}
1da177e4 567
971e3a4b 568static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 569 struct sk_buff *skb)
971e3a4b
AG		 570{
571 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
572
9f1db00c 573 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 574
575 if (rp->status)
42c6b129 576 return;
971e3a4b 577
57af75a8
MH		 578 if (hdev->max_page < rp->max_page)
579 hdev->max_page = rp->max_page;
d2c5d77f 580
cad718ed
JH		 581 if (rp->page < HCI_MAX_PAGES)
582 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 583}
584
1e89cffb 585static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 586 struct sk_buff *skb)
1e89cffb
AE		 587{
588 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
589
9f1db00c 590 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 591
45296acd
MH		 592 if (rp->status)
593 return;
594
595 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 596}
597
a9de9248
MH		 598static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
599{
600 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 601
9f1db00c 602 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 603
a9de9248
MH		 604 if (rp->status)
605 return;
1da177e4 606
a9de9248
MH		 607 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
608 hdev->sco_mtu = rp->sco_mtu;
609 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
610 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
611
612 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
613 hdev->sco_mtu = 64;
614 hdev->sco_pkts = 8;
1da177e4 615 }
a9de9248
MH		 616
617 hdev->acl_cnt = hdev->acl_pkts;
618 hdev->sco_cnt = hdev->sco_pkts;
619
807deac2
GP		 620 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
621 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 622}
623
624static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
625{
626 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
627
9f1db00c 628 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 629
e30d3f5f
MH		 630 if (rp->status)
631 return;
632
633 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 634 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 635
636 if (test_bit(HCI_SETUP, &hdev->dev_flags))
637 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 638}
639
f332ec66
JH		 640static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
641 struct sk_buff *skb)
642{
643 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
644
645 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
646
45296acd
MH		 647 if (rp->status)
648 return;
649
650 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 651 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
652 hdev->page_scan_window = __le16_to_cpu(rp->window);
653 }
654}
655
4a3ee763
JH		 656static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
657 struct sk_buff *skb)
658{
659 u8 status = *((u8 *) skb->data);
660 struct hci_cp_write_page_scan_activity *sent;
661
662 BT_DBG("%s status 0x%2.2x", hdev->name, status);
663
664 if (status)
665 return;
666
667 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
668 if (!sent)
669 return;
670
671 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
672 hdev->page_scan_window = __le16_to_cpu(sent->window);
673}
674
f332ec66
JH		 675static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
676 struct sk_buff *skb)
677{
678 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
679
680 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
681
45296acd
MH		 682 if (rp->status)
683 return;
684
685 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 686 hdev->page_scan_type = rp->type;
687}
688
4a3ee763
JH		 689static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
690 struct sk_buff *skb)
691{
692 u8 status = *((u8 *) skb->data);
693 u8 *type;
694
695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
696
697 if (status)
698 return;
699
700 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
701 if (type)
702 hdev->page_scan_type = *type;
703}
704
350ee4cf 705static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 706 struct sk_buff *skb)
350ee4cf
AE		 707{
708 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
709
9f1db00c 710 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 711
712 if (rp->status)
713 return;
714
715 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
716 hdev->block_len = __le16_to_cpu(rp->block_len);
717 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
718
719 hdev->block_cnt = hdev->num_blocks;
720
721 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 722 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 723}
724
33f35721
JH		 725static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
726{
727 struct hci_rp_read_clock *rp = (void *) skb->data;
728 struct hci_cp_read_clock *cp;
729 struct hci_conn *conn;
730
731 BT_DBG("%s", hdev->name);
732
733 if (skb->len < sizeof(*rp))
734 return;
735
736 if (rp->status)
737 return;
738
739 hci_dev_lock(hdev);
740
741 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
742 if (!cp)
743 goto unlock;
744
745 if (cp->which == 0x00) {
746 hdev->clock = le32_to_cpu(rp->clock);
747 goto unlock;
748 }
749
750 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
751 if (conn) {
752 conn->clock = le32_to_cpu(rp->clock);
753 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
754 }
755
756unlock:
757 hci_dev_unlock(hdev);
758}
759
928abaa7 760static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 761 struct sk_buff *skb)
928abaa7
AE		 762{
763 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
764
9f1db00c 765 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 766
767 if (rp->status)
8e2a0d92 768 goto a2mp_rsp;
928abaa7
AE		 769
770 hdev->amp_status = rp->amp_status;
771 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
772 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
773 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
774 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
775 hdev->amp_type = rp->amp_type;
776 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
777 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
778 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
779 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
780
8e2a0d92
AE		 781a2mp_rsp:
782 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 783}
784
903e4541
AE		 785static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
786 struct sk_buff *skb)
787{
788 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
789 struct amp_assoc *assoc = &hdev->loc_assoc;
790 size_t rem_len, frag_len;
791
792 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
793
794 if (rp->status)
795 goto a2mp_rsp;
796
797 frag_len = skb->len - sizeof(*rp);
798 rem_len = __le16_to_cpu(rp->rem_len);
799
800 if (rem_len > frag_len) {
2e430be3 801 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 802
803 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
804 assoc->offset += frag_len;
805
806 /* Read other fragments */
807 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
808
809 return;
810 }
811
812 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
813 assoc->len = assoc->offset + rem_len;
814 assoc->offset = 0;
815
816a2mp_rsp:
817 /* Send A2MP Rsp when all fragments are received */
818 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 819 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 820}
821
d5859e22 822static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 823 struct sk_buff *skb)
d5859e22 824{
91c4e9b1 825 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 826
9f1db00c 827 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 828
45296acd
MH		 829 if (rp->status)
830 return;
831
832 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 833}
834
980e1a53
JH		 835static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
836{
837 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
838 struct hci_cp_pin_code_reply *cp;
839 struct hci_conn *conn;
840
9f1db00c 841 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 842
56e5cb86
JH		 843 hci_dev_lock(hdev);
844
a8b2d5c2 845 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 846 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 847
fa1bd918 848 if (rp->status)
56e5cb86 849 goto unlock;
980e1a53
JH		 850
851 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
852 if (!cp)
56e5cb86 853 goto unlock;
980e1a53
JH		 854
855 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
856 if (conn)
857 conn->pin_length = cp->pin_len;
56e5cb86
JH		 858
859unlock:
860 hci_dev_unlock(hdev);
980e1a53
JH		 861}
862
863static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
864{
865 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
866
9f1db00c 867 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 868
56e5cb86
JH		 869 hci_dev_lock(hdev);
870
a8b2d5c2 871 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 872 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 873 rp->status);
56e5cb86
JH		 874
875 hci_dev_unlock(hdev);
980e1a53 876}
56e5cb86 877
6ed58ec5
VT		 878static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
879 struct sk_buff *skb)
880{
881 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
882
9f1db00c 883 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 884
885 if (rp->status)
886 return;
887
888 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
889 hdev->le_pkts = rp->le_max_pkt;
890
891 hdev->le_cnt = hdev->le_pkts;
892
893 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 894}
980e1a53 895
60e77321
JH		 896static void hci_cc_le_read_local_features(struct hci_dev *hdev,
897 struct sk_buff *skb)
898{
899 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
900
901 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
902
45296acd
MH		 903 if (rp->status)
904 return;
905
906 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 907}
908
8fa19098
JH		 909static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
910 struct sk_buff *skb)
911{
912 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
913
914 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
915
45296acd
MH		 916 if (rp->status)
917 return;
918
919 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 920}
921
a5c29683
JH		 922static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
923{
924 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
925
9f1db00c 926 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 927
56e5cb86
JH		 928 hci_dev_lock(hdev);
929
a8b2d5c2 930 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 931 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
932 rp->status);
56e5cb86
JH		 933
934 hci_dev_unlock(hdev);
a5c29683
JH		 935}
936
937static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 938 struct sk_buff *skb)
a5c29683
JH		 939{
940 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
941
9f1db00c 942 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 943
56e5cb86
JH		 944 hci_dev_lock(hdev);
945
a8b2d5c2 946 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 947 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 948 ACL_LINK, 0, rp->status);
56e5cb86
JH		 949
950 hci_dev_unlock(hdev);
a5c29683
JH		 951}
952
1143d458
BG		 953static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
954{
955 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
956
9f1db00c 957 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 958
959 hci_dev_lock(hdev);
960
a8b2d5c2 961 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 962 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 963 0, rp->status);
1143d458
BG		 964
965 hci_dev_unlock(hdev);
966}
967
968static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 969 struct sk_buff *skb)
1143d458
BG		 970{
971 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
972
9f1db00c 973 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 974
975 hci_dev_lock(hdev);
976
a8b2d5c2 977 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 978 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 979 ACL_LINK, 0, rp->status);
1143d458
BG		 980
981 hci_dev_unlock(hdev);
982}
983
4d2d2796
MH		 984static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
985 struct sk_buff *skb)
c35938b2
SJ		 986{
987 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
988
9f1db00c 989 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 990
56e5cb86 991 hci_dev_lock(hdev);
4d2d2796
MH		 992 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
993 NULL, NULL, rp->status);
994 hci_dev_unlock(hdev);
995}
996
997static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
998 struct sk_buff *skb)
999{
1000 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1001
1002 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1003
1004 hci_dev_lock(hdev);
1005 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1006 rp->hash256, rp->randomizer256,
1007 rp->status);
56e5cb86 1008 hci_dev_unlock(hdev);
c35938b2
SJ		 1009}
1010
7a4cd51d
MH		 1011
1012static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1013{
1014 __u8 status = *((__u8 *) skb->data);
1015 bdaddr_t *sent;
1016
1017 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1018
45296acd
MH		 1019 if (status)
1020 return;
1021
7a4cd51d
MH		 1022 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1023 if (!sent)
1024 return;
1025
1026 hci_dev_lock(hdev);
1027
45296acd 1028 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1029
1030 hci_dev_unlock(hdev);
1031}
1032
c1d5dc4a
JH		 1033static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1034{
1035 __u8 *sent, status = *((__u8 *) skb->data);
1036
1037 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1038
45296acd 1039 if (status)
c1d5dc4a
JH		 1040 return;
1041
45296acd
MH		 1042 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1043 if (!sent)
3c857757
JH		 1044 return;
1045
c1d5dc4a
JH		 1046 hci_dev_lock(hdev);
1047
3c857757
JH		 1048 /* If we're doing connection initation as peripheral. Set a
1049 * timeout in case something goes wrong.
1050 */
1051 if (*sent) {
1052 struct hci_conn *conn;
1053
66c417c1
JH		 1054 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1055
3c857757
JH		 1056 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1057 if (conn)
1058 queue_delayed_work(hdev->workqueue,
1059 &conn->le_conn_timeout,
09ae260b 1060 conn->conn_timeout);
66c417c1
JH		 1061 } else {
1062 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1063 }
1064
04b4edcb 1065 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1066}
1067
533553f8
MH		 1068static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1069{
1070 struct hci_cp_le_set_scan_param *cp;
1071 __u8 status = *((__u8 *) skb->data);
1072
1073 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1074
45296acd
MH		 1075 if (status)
1076 return;
1077
533553f8
MH		 1078 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1079 if (!cp)
1080 return;
1081
1082 hci_dev_lock(hdev);
1083
45296acd 1084 hdev->le_scan_type = cp->type;
533553f8
MH		 1085
1086 hci_dev_unlock(hdev);
1087}
1088
b9a6328f
JH		 1089static bool has_pending_adv_report(struct hci_dev *hdev)
1090{
1091 struct discovery_state *d = &hdev->discovery;
1092
1093 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1094}
1095
1096static void clear_pending_adv_report(struct hci_dev *hdev)
1097{
1098 struct discovery_state *d = &hdev->discovery;
1099
1100 bacpy(&d->last_adv_addr, BDADDR_ANY);
1101 d->last_adv_data_len = 0;
1102}
1103
1104static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1105 u8 bdaddr_type, s8 rssi, u32 flags,
1106 u8 *data, u8 len)
b9a6328f
JH		 1107{
1108 struct discovery_state *d = &hdev->discovery;
1109
1110 bacpy(&d->last_adv_addr, bdaddr);
1111 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1112 d->last_adv_rssi = rssi;
c70a7e4c 1113 d->last_adv_flags = flags;
b9a6328f
JH		 1114 memcpy(d->last_adv_data, data, len);
1115 d->last_adv_data_len = len;
1116}
1117
eb9d91f5 1118static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1119 struct sk_buff *skb)
eb9d91f5
AG		 1120{
1121 struct hci_cp_le_set_scan_enable *cp;
1122 __u8 status = *((__u8 *) skb->data);
1123
9f1db00c 1124 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1125
45296acd 1126 if (status)
eb9d91f5
AG		 1127 return;
1128
45296acd
MH		 1129 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1130 if (!cp)
3fd319b8
AG		 1131 return;
1132
68a8aea4 1133 switch (cp->enable) {
76a388be 1134 case LE_SCAN_ENABLE:
d23264a8 1135 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1136 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1137 clear_pending_adv_report(hdev);
68a8aea4
AE		 1138 break;
1139
76a388be 1140 case LE_SCAN_DISABLE:
b9a6328f
JH		 1141 /* We do this here instead of when setting DISCOVERY_STOPPED
1142 * since the latter would potentially require waiting for
1143 * inquiry to stop too.
1144 */
1145 if (has_pending_adv_report(hdev)) {
1146 struct discovery_state *d = &hdev->discovery;
1147
1148 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1149 d->last_adv_addr_type, NULL,
c70a7e4c 1150 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1151 d->last_adv_data,
b9a6328f
JH		 1152 d->last_adv_data_len, NULL, 0);
1153 }
1154
317ac8cb
JH		 1155 /* Cancel this timer so that we don't try to disable scanning
1156 * when it's already disabled.
1157 */
1158 cancel_delayed_work(&hdev->le_scan_disable);
1159
d23264a8 1160 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1161
81ad6fd9
JH		 1162 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1163 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1164 * therefore discovery as stopped. If this was not
1165 * because of a connect request advertising might have
1166 * been disabled because of active scanning, so
1167 * re-enable it again if necessary.
81ad6fd9
JH		 1168 */
1169 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1170 &hdev->dev_flags))
1171 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1172 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1173 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1174 mgmt_reenable_advertising(hdev);
1175
68a8aea4
AE		 1176 break;
1177
1178 default:
1179 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1180 break;
35815085 1181 }
eb9d91f5
AG		 1182}
1183
cf1d081f
JH		 1184static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1185 struct sk_buff *skb)
1186{
1187 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1188
1189 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1190
45296acd
MH		 1191 if (rp->status)
1192 return;
1193
1194 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1195}
1196
0f36b589
MH		 1197static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1198 struct sk_buff *skb)
1199{
1200 __u8 status = *((__u8 *) skb->data);
1201
1202 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1203
45296acd
MH		 1204 if (status)
1205 return;
1206
dcc36c16 1207 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1208}
1209
1210static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1211 struct sk_buff *skb)
1212{
1213 struct hci_cp_le_add_to_white_list *sent;
1214 __u8 status = *((__u8 *) skb->data);
1215
1216 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1217
45296acd
MH		 1218 if (status)
1219 return;
1220
0f36b589
MH		 1221 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1222 if (!sent)
1223 return;
1224
dcc36c16
JH		 1225 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1226 sent->bdaddr_type);
0f36b589
MH		 1227}
1228
1229static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1230 struct sk_buff *skb)
1231{
1232 struct hci_cp_le_del_from_white_list *sent;
1233 __u8 status = *((__u8 *) skb->data);
1234
1235 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1236
45296acd
MH		 1237 if (status)
1238 return;
1239
0f36b589
MH		 1240 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1241 if (!sent)
1242 return;
1243
dcc36c16
JH		 1244 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1245 sent->bdaddr_type);
0f36b589
MH		 1246}
1247
9b008c04
JH		 1248static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1249 struct sk_buff *skb)
1250{
1251 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1252
1253 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1254
45296acd
MH		 1255 if (rp->status)
1256 return;
1257
1258 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1259}
1260
6039aa73
GP		 1261static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1262 struct sk_buff *skb)
f9b49306 1263{
06199cf8 1264 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1265 __u8 status = *((__u8 *) skb->data);
1266
9f1db00c 1267 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1268
45296acd
MH		 1269 if (status)
1270 return;
1271
06199cf8 1272 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1273 if (!sent)
f9b49306
AG		 1274 return;
1275
45296acd
MH		 1276 if (sent->le) {
1277 hdev->features[1][0] |= LMP_HOST_LE;
1278 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1279 } else {
1280 hdev->features[1][0] &= ~LMP_HOST_LE;
1281 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1282 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1283 }
45296acd
MH		 1284
1285 if (sent->simul)
1286 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1287 else
1288 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1289}
1290
56ed2cb8
JH		 1291static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1292{
1293 struct hci_cp_le_set_adv_param *cp;
1294 u8 status = *((u8 *) skb->data);
1295
1296 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1297
1298 if (status)
1299 return;
1300
1301 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1302 if (!cp)
1303 return;
1304
1305 hci_dev_lock(hdev);
1306 hdev->adv_addr_type = cp->own_address_type;
1307 hci_dev_unlock(hdev);
1308}
1309
93c284ee
AE		 1310static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1311 struct sk_buff *skb)
1312{
1313 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1314
1315 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1316 hdev->name, rp->status, rp->phy_handle);
1317
1318 if (rp->status)
1319 return;
1320
1321 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1322}
1323
5ae76a94
AK		 1324static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1325{
1326 struct hci_rp_read_rssi *rp = (void *) skb->data;
1327 struct hci_conn *conn;
1328
1329 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1330
1331 if (rp->status)
1332 return;
1333
1334 hci_dev_lock(hdev);
1335
1336 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1337 if (conn)
1338 conn->rssi = rp->rssi;
1339
1340 hci_dev_unlock(hdev);
1341}
1342
5a134fae
AK		 1343static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1344{
1345 struct hci_cp_read_tx_power *sent;
1346 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1347 struct hci_conn *conn;
1348
1349 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1350
1351 if (rp->status)
1352 return;
1353
1354 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1355 if (!sent)
1356 return;
1357
1358 hci_dev_lock(hdev);
1359
1360 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1361 if (!conn)
1362 goto unlock;
1363
1364 switch (sent->type) {
1365 case 0x00:
5a134fae 1366 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1367 break;
1368 case 0x01:
1369 conn->max_tx_power = rp->tx_power;
1370 break;
1371 }
5a134fae 1372
d0455ed9 1373unlock:
5a134fae
AK		 1374 hci_dev_unlock(hdev);
1375}
1376
6039aa73 1377static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1378{
9f1db00c 1379 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1380
1381 if (status) {
a9de9248 1382 hci_conn_check_pending(hdev);
314b2381
JH		 1383 return;
1384 }
1385
89352e7d 1386 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1387}
1388
6039aa73 1389static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1390{
a9de9248 1391 struct hci_cp_create_conn *cp;
1da177e4 1392 struct hci_conn *conn;
1da177e4 1393
9f1db00c 1394 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1395
1396 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1397 if (!cp)
1398 return;
1399
1400 hci_dev_lock(hdev);
1401
1402 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1403
6ed93dc6 1404 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1405
1406 if (status) {
1407 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1408 if (status != 0x0c || conn->attempt > 2) {
1409 conn->state = BT_CLOSED;
1410 hci_proto_connect_cfm(conn, status);
1411 hci_conn_del(conn);
1412 } else
1413 conn->state = BT_CONNECT2;
1da177e4
LT		 1414 }
1415 } else {
1416 if (!conn) {
a5c4e309
JH		 1417 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1418 HCI_ROLE_MASTER);
1419 if (!conn)
893ef971 1420 BT_ERR("No memory for new connection");
1da177e4
LT		 1421 }
1422 }
1423
1424 hci_dev_unlock(hdev);
1425}
1426
a9de9248 1427static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1428{
a9de9248
MH		 1429 struct hci_cp_add_sco *cp;
1430 struct hci_conn *acl, *sco;
1431 __u16 handle;
1da177e4 1432
9f1db00c 1433 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1434
a9de9248
MH		 1435 if (!status)
1436 return;
1da177e4 1437
a9de9248
MH		 1438 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1439 if (!cp)
1440 return;
1da177e4 1441
a9de9248 1442 handle = __le16_to_cpu(cp->handle);
1da177e4 1443
9f1db00c 1444 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1445
a9de9248 1446 hci_dev_lock(hdev);
1da177e4 1447
a9de9248 1448 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1449 if (acl) {
1450 sco = acl->link;
1451 if (sco) {
1452 sco->state = BT_CLOSED;
1da177e4 1453
5a08ecce
AE		 1454 hci_proto_connect_cfm(sco, status);
1455 hci_conn_del(sco);
1456 }
a9de9248 1457 }
1da177e4 1458
a9de9248
MH		 1459 hci_dev_unlock(hdev);
1460}
1da177e4 1461
f8558555
MH		 1462static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1463{
1464 struct hci_cp_auth_requested *cp;
1465 struct hci_conn *conn;
1466
9f1db00c 1467 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1468
1469 if (!status)
1470 return;
1471
1472 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1473 if (!cp)
1474 return;
1475
1476 hci_dev_lock(hdev);
1477
1478 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1479 if (conn) {
1480 if (conn->state == BT_CONFIG) {
1481 hci_proto_connect_cfm(conn, status);
76a68ba0 1482 hci_conn_drop(conn);
f8558555
MH		 1483 }
1484 }
1485
1486 hci_dev_unlock(hdev);
1487}
1488
1489static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1490{
1491 struct hci_cp_set_conn_encrypt *cp;
1492 struct hci_conn *conn;
1493
9f1db00c 1494 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1495
1496 if (!status)
1497 return;
1498
1499 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1500 if (!cp)
1501 return;
1502
1503 hci_dev_lock(hdev);
1504
1505 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1506 if (conn) {
1507 if (conn->state == BT_CONFIG) {
1508 hci_proto_connect_cfm(conn, status);
76a68ba0 1509 hci_conn_drop(conn);
f8558555
MH		 1510 }
1511 }
1512
1513 hci_dev_unlock(hdev);
1514}
1515
127178d2 1516static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1517 struct hci_conn *conn)
392599b9 1518{
392599b9
JH		 1519 if (conn->state != BT_CONFIG || !conn->out)
1520 return 0;
1521
765c2a96 1522 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1523 return 0;
1524
1525 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1526 * devices with sec_level MEDIUM or HIGH or if MITM protection
1527 * is requested.
1528 */
807deac2 1529 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1530 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1531 conn->pending_sec_level != BT_SECURITY_HIGH &&
1532 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1533 return 0;
1534
392599b9
JH		 1535 return 1;
1536}
1537
6039aa73 1538static int hci_resolve_name(struct hci_dev *hdev,
04124681 1539 struct inquiry_entry *e)
30dc78e1
JH		 1540{
1541 struct hci_cp_remote_name_req cp;
1542
1543 memset(&cp, 0, sizeof(cp));
1544
1545 bacpy(&cp.bdaddr, &e->data.bdaddr);
1546 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1547 cp.pscan_mode = e->data.pscan_mode;
1548 cp.clock_offset = e->data.clock_offset;
1549
1550 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1551}
1552
b644ba33 1553static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1554{
1555 struct discovery_state *discov = &hdev->discovery;
1556 struct inquiry_entry *e;
1557
b644ba33
JH		 1558 if (list_empty(&discov->resolve))
1559 return false;
1560
1561 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1562 if (!e)
1563 return false;
1564
b644ba33
JH		 1565 if (hci_resolve_name(hdev, e) == 0) {
1566 e->name_state = NAME_PENDING;
1567 return true;
1568 }
1569
1570 return false;
1571}
1572
1573static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1574 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1575{
1576 struct discovery_state *discov = &hdev->discovery;
1577 struct inquiry_entry *e;
1578
1579 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP		 1580 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1581 name_len, conn->dev_class);
b644ba33
JH		 1582
1583 if (discov->state == DISCOVERY_STOPPED)
1584 return;
1585
30dc78e1
JH		 1586 if (discov->state == DISCOVERY_STOPPING)
1587 goto discov_complete;
1588
1589 if (discov->state != DISCOVERY_RESOLVING)
1590 return;
1591
1592 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1593 /* If the device was not found in a list of found devices names of which
1594 * are pending. there is no need to continue resolving a next name as it
1595 * will be done upon receiving another Remote Name Request Complete
1596 * Event */
1597 if (!e)
1598 return;
1599
1600 list_del(&e->list);
1601 if (name) {
30dc78e1 1602 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1603 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1604 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1605 } else {
1606 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1607 }
1608
b644ba33 1609 if (hci_resolve_next_name(hdev))
30dc78e1 1610 return;
30dc78e1
JH		 1611
1612discov_complete:
1613 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1614}
1615
a9de9248
MH		 1616static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1617{
127178d2
JH		 1618 struct hci_cp_remote_name_req *cp;
1619 struct hci_conn *conn;
1620
9f1db00c 1621 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1622
1623 /* If successful wait for the name req complete event before
1624 * checking for the need to do authentication */
1625 if (!status)
1626 return;
1627
1628 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1629 if (!cp)
1630 return;
1631
1632 hci_dev_lock(hdev);
1633
b644ba33
JH		 1634 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1635
a8b2d5c2 1636 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1637 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1638
79c6c70c
JH		 1639 if (!conn)
1640 goto unlock;
1641
1642 if (!hci_outgoing_auth_needed(hdev, conn))
1643 goto unlock;
1644
51a8efd7 1645 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1646 struct hci_cp_auth_requested auth_cp;
1647
977f8fce
JH		 1648 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1649
c1f23a2b
JB		 1650 auth_cp.handle = __cpu_to_le16(conn->handle);
1651 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1652 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1653 }
1654
79c6c70c 1655unlock:
127178d2 1656 hci_dev_unlock(hdev);
a9de9248 1657}
1da177e4 1658
769be974
MH		 1659static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1660{
1661 struct hci_cp_read_remote_features *cp;
1662 struct hci_conn *conn;
1663
9f1db00c 1664 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1665
1666 if (!status)
1667 return;
1668
1669 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1670 if (!cp)
1671 return;
1672
1673 hci_dev_lock(hdev);
1674
1675 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1676 if (conn) {
1677 if (conn->state == BT_CONFIG) {
769be974 1678 hci_proto_connect_cfm(conn, status);
76a68ba0 1679 hci_conn_drop(conn);
769be974
MH		 1680 }
1681 }
1682
1683 hci_dev_unlock(hdev);
1684}
1685
1686static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1687{
1688 struct hci_cp_read_remote_ext_features *cp;
1689 struct hci_conn *conn;
1690
9f1db00c 1691 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1692
1693 if (!status)
1694 return;
1695
1696 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1697 if (!cp)
1698 return;
1699
1700 hci_dev_lock(hdev);
1701
1702 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1703 if (conn) {
1704 if (conn->state == BT_CONFIG) {
769be974 1705 hci_proto_connect_cfm(conn, status);
76a68ba0 1706 hci_conn_drop(conn);
769be974
MH		 1707 }
1708 }
1709
1710 hci_dev_unlock(hdev);
1711}
1712
a9de9248
MH		 1713static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1714{
b6a0dc82
MH		 1715 struct hci_cp_setup_sync_conn *cp;
1716 struct hci_conn *acl, *sco;
1717 __u16 handle;
1718
9f1db00c 1719 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1720
1721 if (!status)
1722 return;
1723
1724 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1725 if (!cp)
1726 return;
1727
1728 handle = __le16_to_cpu(cp->handle);
1729
9f1db00c 1730 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1731
1732 hci_dev_lock(hdev);
1733
1734 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1735 if (acl) {
1736 sco = acl->link;
1737 if (sco) {
1738 sco->state = BT_CLOSED;
b6a0dc82 1739
5a08ecce
AE		 1740 hci_proto_connect_cfm(sco, status);
1741 hci_conn_del(sco);
1742 }
b6a0dc82
MH		 1743 }
1744
1745 hci_dev_unlock(hdev);
1da177e4
LT		 1746}
1747
a9de9248 1748static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1749{
a9de9248
MH		 1750 struct hci_cp_sniff_mode *cp;
1751 struct hci_conn *conn;
1da177e4 1752
9f1db00c 1753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1754
a9de9248
MH		 1755 if (!status)
1756 return;
04837f64 1757
a9de9248
MH		 1758 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1759 if (!cp)
1760 return;
04837f64 1761
a9de9248 1762 hci_dev_lock(hdev);
04837f64 1763
a9de9248 1764 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1765 if (conn) {
51a8efd7 1766 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1767
51a8efd7 1768 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1769 hci_sco_setup(conn, status);
1770 }
1771
a9de9248
MH		 1772 hci_dev_unlock(hdev);
1773}
04837f64 1774
a9de9248
MH		 1775static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1776{
1777 struct hci_cp_exit_sniff_mode *cp;
1778 struct hci_conn *conn;
04837f64 1779
9f1db00c 1780 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1781
a9de9248
MH		 1782 if (!status)
1783 return;
04837f64 1784
a9de9248
MH		 1785 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1786 if (!cp)
1787 return;
04837f64 1788
a9de9248 1789 hci_dev_lock(hdev);
1da177e4 1790
a9de9248 1791 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1792 if (conn) {
51a8efd7 1793 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1794
51a8efd7 1795 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1796 hci_sco_setup(conn, status);
1797 }
1798
a9de9248 1799 hci_dev_unlock(hdev);
1da177e4
LT		 1800}
1801
88c3df13
JH		 1802static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1803{
1804 struct hci_cp_disconnect *cp;
1805 struct hci_conn *conn;
1806
1807 if (!status)
1808 return;
1809
1810 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1811 if (!cp)
1812 return;
1813
1814 hci_dev_lock(hdev);
1815
1816 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1817 if (conn)
1818 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1819 conn->dst_type, status);
88c3df13
JH		 1820
1821 hci_dev_unlock(hdev);
1822}
1823
a02226d6
AE		 1824static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1825{
93c284ee
AE		 1826 struct hci_cp_create_phy_link *cp;
1827
a02226d6 1828 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1829
93c284ee
AE		 1830 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1831 if (!cp)
1832 return;
1833
e58917b9
AE		 1834 hci_dev_lock(hdev);
1835
1836 if (status) {
1837 struct hci_conn *hcon;
1838
1839 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1840 if (hcon)
1841 hci_conn_del(hcon);
1842 } else {
1843 amp_write_remote_assoc(hdev, cp->phy_handle);
1844 }
1845
1846 hci_dev_unlock(hdev);
a02226d6
AE		 1847}
1848
0b26ab9d
AE		 1849static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1850{
1851 struct hci_cp_accept_phy_link *cp;
1852
1853 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1854
1855 if (status)
1856 return;
1857
1858 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1859 if (!cp)
1860 return;
1861
1862 amp_write_remote_assoc(hdev, cp->phy_handle);
1863}
1864
cb1d68f7
JH		 1865static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1866{
1867 struct hci_cp_le_create_conn *cp;
1868 struct hci_conn *conn;
1869
1870 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1871
1872 /* All connection failure handling is taken care of by the
1873 * hci_le_conn_failed function which is triggered by the HCI
1874 * request completion callbacks used for connecting.
1875 */
1876 if (status)
1877 return;
1878
1879 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1880 if (!cp)
1881 return;
1882
1883 hci_dev_lock(hdev);
1884
1885 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1886 if (!conn)
1887 goto unlock;
1888
1889 /* Store the initiator and responder address information which
1890 * is needed for SMP. These values will not change during the
1891 * lifetime of the connection.
1892 */
1893 conn->init_addr_type = cp->own_address_type;
1894 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1895 bacpy(&conn->init_addr, &hdev->random_addr);
1896 else
1897 bacpy(&conn->init_addr, &hdev->bdaddr);
1898
1899 conn->resp_addr_type = cp->peer_addr_type;
1900 bacpy(&conn->resp_addr, &cp->peer_addr);
1901
9489eca4
JH		 1902 /* We don't want the connection attempt to stick around
1903 * indefinitely since LE doesn't have a page timeout concept
1904 * like BR/EDR. Set a timer for any connection that doesn't use
1905 * the white list for connecting.
1906 */
1907 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1908 queue_delayed_work(conn->hdev->workqueue,
1909 &conn->le_conn_timeout,
09ae260b 1910 conn->conn_timeout);
9489eca4 1911
cb1d68f7
JH		 1912unlock:
1913 hci_dev_unlock(hdev);
1914}
1915
81d0c8ad
JH		 1916static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1917{
1918 struct hci_cp_le_start_enc *cp;
1919 struct hci_conn *conn;
1920
1921 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1922
1923 if (!status)
1924 return;
1925
1926 hci_dev_lock(hdev);
1927
1928 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1929 if (!cp)
1930 goto unlock;
1931
1932 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1933 if (!conn)
1934 goto unlock;
1935
1936 if (conn->state != BT_CONNECTED)
1937 goto unlock;
1938
1939 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1940 hci_conn_drop(conn);
1941
1942unlock:
1943 hci_dev_unlock(hdev);
1944}
1945
6039aa73 1946static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1947{
1948 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1949 struct discovery_state *discov = &hdev->discovery;
1950 struct inquiry_entry *e;
1da177e4 1951
9f1db00c 1952 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1953
a9de9248 1954 hci_conn_check_pending(hdev);
89352e7d
AG		 1955
1956 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1957 return;
1958
4e857c58 1959 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1960 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1961
a8b2d5c2 1962 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1963 return;
1964
56e5cb86 1965 hci_dev_lock(hdev);
30dc78e1 1966
343f935b 1967 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1968 goto unlock;
1969
1970 if (list_empty(&discov->resolve)) {
1971 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1972 goto unlock;
1973 }
1974
1975 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1976 if (e && hci_resolve_name(hdev, e) == 0) {
1977 e->name_state = NAME_PENDING;
1978 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1979 } else {
1980 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1981 }
1982
1983unlock:
56e5cb86 1984 hci_dev_unlock(hdev);
1da177e4
LT		 1985}
1986
6039aa73 1987static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1988{
45bb4bf0 1989 struct inquiry_data data;
a9de9248 1990 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1991 int num_rsp = *((__u8 *) skb->data);
1992
1993 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1994
45bb4bf0
MH		 1995 if (!num_rsp)
1996 return;
1997
1519cc17
AG		 1998 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1999 return;
2000
1da177e4 2001 hci_dev_lock(hdev);
45bb4bf0 2002
e17acd40 2003 for (; num_rsp; num_rsp--, info++) {
af58925c 2004 u32 flags;
3175405b 2005
1da177e4
LT		 2006 bacpy(&data.bdaddr, &info->bdaddr);
2007 data.pscan_rep_mode = info->pscan_rep_mode;
2008 data.pscan_period_mode = info->pscan_period_mode;
2009 data.pscan_mode = info->pscan_mode;
2010 memcpy(data.dev_class, info->dev_class, 3);
2011 data.clock_offset = info->clock_offset;
2012 data.rssi = 0x00;
41a96212 2013 data.ssp_mode = 0x00;
3175405b 2014
af58925c
MH		 2015 flags = hci_inquiry_cache_update(hdev, &data, false);
2016
48264f06 2017 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2018 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2019 }
45bb4bf0 2020
1da177e4
LT		 2021 hci_dev_unlock(hdev);
2022}
2023
6039aa73 2024static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2025{
a9de9248
MH		 2026 struct hci_ev_conn_complete *ev = (void *) skb->data;
2027 struct hci_conn *conn;
1da177e4
LT		 2028
2029 BT_DBG("%s", hdev->name);
2030
2031 hci_dev_lock(hdev);
2032
2033 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2034 if (!conn) {
2035 if (ev->link_type != SCO_LINK)
2036 goto unlock;
2037
2038 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2039 if (!conn)
2040 goto unlock;
2041
2042 conn->type = SCO_LINK;
2043 }
1da177e4
LT		 2044
2045 if (!ev->status) {
2046 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2047
2048 if (conn->type == ACL_LINK) {
2049 conn->state = BT_CONFIG;
2050 hci_conn_hold(conn);
a9ea3ed9
SJ		 2051
2052 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2053 !hci_find_link_key(hdev, &ev->bdaddr))
2054 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2055 else
2056 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2057 } else
2058 conn->state = BT_CONNECTED;
1da177e4 2059
7d0db0a3
MH		 2060 hci_conn_add_sysfs(conn);
2061
1da177e4 2062 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2063 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2064
2065 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2066 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2067
04837f64
MH		 2068 /* Get remote features */
2069 if (conn->type == ACL_LINK) {
2070 struct hci_cp_read_remote_features cp;
2071 cp.handle = ev->handle;
769be974 2072 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2073 sizeof(cp), &cp);
04837f64
MH		 2074 }
2075
1da177e4 2076 /* Set packet type for incoming connection */
d095c1eb 2077 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2078 struct hci_cp_change_conn_ptype cp;
2079 cp.handle = ev->handle;
a8746417 2080 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2081 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2082 &cp);
1da177e4 2083 }
17d5c04c 2084 } else {
1da177e4 2085 conn->state = BT_CLOSED;
17d5c04c 2086 if (conn->type == ACL_LINK)
64c7b77c 2087 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2088 conn->dst_type, ev->status);
17d5c04c 2089 }
1da177e4 2090
e73439d8
MH		 2091 if (conn->type == ACL_LINK)
2092 hci_sco_setup(conn, ev->status);
1da177e4 2093
769be974
MH		 2094 if (ev->status) {
2095 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2096 hci_conn_del(conn);
c89b6e6b
MH		 2097 } else if (ev->link_type != ACL_LINK)
2098 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2099
a9de9248 2100unlock:
1da177e4 2101 hci_dev_unlock(hdev);
1da177e4 2102
a9de9248 2103 hci_conn_check_pending(hdev);
1da177e4
LT		 2104}
2105
70c46425
JH		 2106static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2107{
2108 struct hci_cp_reject_conn_req cp;
2109
2110 bacpy(&cp.bdaddr, bdaddr);
2111 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2112 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2113}
2114
6039aa73 2115static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2116{
a9de9248
MH		 2117 struct hci_ev_conn_request *ev = (void *) skb->data;
2118 int mask = hdev->link_mode;
70c46425
JH		 2119 struct inquiry_entry *ie;
2120 struct hci_conn *conn;
20714bfe 2121 __u8 flags = 0;
1da177e4 2122
6ed93dc6 2123 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2124 ev->link_type);
1da177e4 2125
20714bfe
FD		 2126 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2127 &flags);
1da177e4 2128
70c46425
JH		 2129 if (!(mask & HCI_LM_ACCEPT)) {
2130 hci_reject_conn(hdev, &ev->bdaddr);
2131 return;
2132 }
2133
46c4c941
JH		 2134 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2135 BDADDR_BREDR)) {
2136 hci_reject_conn(hdev, &ev->bdaddr);
2137 return;
2138 }
2139
2140 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2141 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2142 BDADDR_BREDR)) {
2143 hci_reject_conn(hdev, &ev->bdaddr);
2144 return;
70c46425 2145 }
1da177e4 2146
70c46425 2147 /* Connection accepted */
b6a0dc82 2148
70c46425
JH		 2149 hci_dev_lock(hdev);
2150
2151 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2152 if (ie)
2153 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2154
70c46425
JH		 2155 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2156 &ev->bdaddr);
2157 if (!conn) {
a5c4e309
JH		 2158 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2159 HCI_ROLE_SLAVE);
a9de9248 2160 if (!conn) {
70c46425
JH		 2161 BT_ERR("No memory for new connection");
2162 hci_dev_unlock(hdev);
2163 return;
1da177e4 2164 }
70c46425 2165 }
b6a0dc82 2166
70c46425 2167 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2168
70c46425 2169 hci_dev_unlock(hdev);
1da177e4 2170
70c46425
JH		 2171 if (ev->link_type == ACL_LINK ||
2172 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2173 struct hci_cp_accept_conn_req cp;
2174 conn->state = BT_CONNECT;
1da177e4 2175
70c46425 2176 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2177
70c46425
JH		 2178 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2179 cp.role = 0x00; /* Become master */
2180 else
2181 cp.role = 0x01; /* Remain slave */
b6a0dc82 2182
70c46425
JH		 2183 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2184 } else if (!(flags & HCI_PROTO_DEFER)) {
2185 struct hci_cp_accept_sync_conn_req cp;
2186 conn->state = BT_CONNECT;
b6a0dc82 2187
70c46425
JH		 2188 bacpy(&cp.bdaddr, &ev->bdaddr);
2189 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2190
70c46425
JH		 2191 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2192 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2193 cp.max_latency = cpu_to_le16(0xffff);
2194 cp.content_format = cpu_to_le16(hdev->voice_setting);
2195 cp.retrans_effort = 0xff;
1da177e4 2196
70c46425
JH		 2197 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2198 &cp);
a9de9248 2199 } else {
70c46425
JH		 2200 conn->state = BT_CONNECT2;
2201 hci_proto_connect_cfm(conn, 0);
1da177e4 2202 }
1da177e4
LT		 2203}
2204
f0d6a0ea
MA		 2205static u8 hci_to_mgmt_reason(u8 err)
2206{
2207 switch (err) {
2208 case HCI_ERROR_CONNECTION_TIMEOUT:
2209 return MGMT_DEV_DISCONN_TIMEOUT;
2210 case HCI_ERROR_REMOTE_USER_TERM:
2211 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2212 case HCI_ERROR_REMOTE_POWER_OFF:
2213 return MGMT_DEV_DISCONN_REMOTE;
2214 case HCI_ERROR_LOCAL_HOST_TERM:
2215 return MGMT_DEV_DISCONN_LOCAL_HOST;
2216 default:
2217 return MGMT_DEV_DISCONN_UNKNOWN;
2218 }
2219}
2220
6039aa73 2221static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2222{
a9de9248 2223 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2224 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2225 struct hci_conn_params *params;
04837f64 2226 struct hci_conn *conn;
12d4a3b2 2227 bool mgmt_connected;
3846220b 2228 u8 type;
04837f64 2229
9f1db00c 2230 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2231
2232 hci_dev_lock(hdev);
2233
2234 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2235 if (!conn)
2236 goto unlock;
7d0db0a3 2237
abf54a50
AG		 2238 if (ev->status) {
2239 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2240 conn->dst_type, ev->status);
2241 goto unlock;
37d9ef76 2242 }
f7520543 2243
3846220b
AG		 2244 conn->state = BT_CLOSED;
2245
12d4a3b2
JH		 2246 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2247 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2248 reason, mgmt_connected);
abf54a50 2249
af6a9c32
JH		 2250 if (conn->type == ACL_LINK &&
2251 test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
3846220b 2252 hci_remove_link_key(hdev, &conn->dst);
2210246c 2253
9fcb18ef
AG		 2254 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2255 if (params) {
2256 switch (params->auto_connect) {
2257 case HCI_AUTO_CONN_LINK_LOSS:
2258 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2259 break;
2260 /* Fall through */
2261
2262 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2263 list_del_init(&params->action);
2264 list_add(&params->action, &hdev->pend_le_conns);
2265 hci_update_background_scan(hdev);
9fcb18ef
AG		 2266 break;
2267
2268 default:
2269 break;
2270 }
2271 }
2272
3846220b 2273 type = conn->type;
2210246c 2274
3846220b
AG		 2275 hci_proto_disconn_cfm(conn, ev->reason);
2276 hci_conn_del(conn);
2277
2278 /* Re-enable advertising if necessary, since it might
2279 * have been disabled by the connection. From the
2280 * HCI_LE_Set_Advertise_Enable command description in
2281 * the core specification (v4.0):
2282 * "The Controller shall continue advertising until the Host
2283 * issues an LE_Set_Advertise_Enable command with
2284 * Advertising_Enable set to 0x00 (Advertising is disabled)
2285 * or until a connection is created or until the Advertising
2286 * is timed out due to Directed Advertising."
2287 */
2288 if (type == LE_LINK)
2289 mgmt_reenable_advertising(hdev);
f7520543
JH		 2290
2291unlock:
04837f64
MH		 2292 hci_dev_unlock(hdev);
2293}
2294
6039aa73 2295static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2296{
a9de9248 2297 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2298 struct hci_conn *conn;
1da177e4 2299
9f1db00c 2300 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2301
2302 hci_dev_lock(hdev);
2303
04837f64 2304 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2305 if (!conn)
2306 goto unlock;
2307
2308 if (!ev->status) {
aa64a8b5 2309 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2310 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2311 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2312 } else {
4dae2798 2313 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2314 conn->sec_level = conn->pending_sec_level;
2a611692 2315 }
d7556e20 2316 } else {
bab73cb6 2317 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 2318 ev->status);
d7556e20 2319 }
1da177e4 2320
51a8efd7
JH		 2321 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2322 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2323
d7556e20 2324 if (conn->state == BT_CONFIG) {
aa64a8b5 2325 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2326 struct hci_cp_set_conn_encrypt cp;
2327 cp.handle = ev->handle;
2328 cp.encrypt = 0x01;
2329 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2330 &cp);
052b30b0 2331 } else {
d7556e20
WR		 2332 conn->state = BT_CONNECTED;
2333 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2334 hci_conn_drop(conn);
052b30b0 2335 }
d7556e20
WR		 2336 } else {
2337 hci_auth_cfm(conn, ev->status);
052b30b0 2338
d7556e20
WR		 2339 hci_conn_hold(conn);
2340 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2341 hci_conn_drop(conn);
d7556e20
WR		 2342 }
2343
51a8efd7 2344 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2345 if (!ev->status) {
2346 struct hci_cp_set_conn_encrypt cp;
2347 cp.handle = ev->handle;
2348 cp.encrypt = 0x01;
2349 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2350 &cp);
d7556e20 2351 } else {
51a8efd7 2352 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2353 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2354 }
2355 }
2356
d7556e20 2357unlock:
1da177e4
LT		 2358 hci_dev_unlock(hdev);
2359}
2360
6039aa73 2361static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2362{
127178d2
JH		 2363 struct hci_ev_remote_name *ev = (void *) skb->data;
2364 struct hci_conn *conn;
2365
a9de9248 2366 BT_DBG("%s", hdev->name);
1da177e4 2367
a9de9248 2368 hci_conn_check_pending(hdev);
127178d2
JH		 2369
2370 hci_dev_lock(hdev);
2371
b644ba33 2372 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2373
b644ba33
JH		 2374 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2375 goto check_auth;
a88a9652 2376
b644ba33
JH		 2377 if (ev->status == 0)
2378 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2379 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2380 else
2381 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2382
2383check_auth:
79c6c70c
JH		 2384 if (!conn)
2385 goto unlock;
2386
2387 if (!hci_outgoing_auth_needed(hdev, conn))
2388 goto unlock;
2389
51a8efd7 2390 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2391 struct hci_cp_auth_requested cp;
977f8fce
JH		 2392
2393 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2394
127178d2
JH		 2395 cp.handle = __cpu_to_le16(conn->handle);
2396 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2397 }
2398
79c6c70c 2399unlock:
127178d2 2400 hci_dev_unlock(hdev);
a9de9248
MH		 2401}
2402
6039aa73 2403static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2404{
2405 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2406 struct hci_conn *conn;
2407
9f1db00c 2408 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2409
2410 hci_dev_lock(hdev);
2411
04837f64 2412 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2413 if (!conn)
2414 goto unlock;
1da177e4 2415
dc8357cc
MH		 2416 if (!ev->status) {
2417 if (ev->encrypt) {
2418 /* Encryption implies authentication */
4dae2798
JH		 2419 set_bit(HCI_CONN_AUTH, &conn->flags);
2420 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2421 conn->sec_level = conn->pending_sec_level;
abf76bad 2422
914a6ffe
MH		 2423 /* P-256 authentication key implies FIPS */
2424 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2425 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2426
abf76bad
MH		 2427 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2428 conn->type == LE_LINK)
2429 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2430 } else {
4dae2798 2431 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2432 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2433 }
dc8357cc 2434 }
a7d7723a 2435
dc8357cc 2436 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2437
dc8357cc
MH		 2438 if (ev->status && conn->state == BT_CONNECTED) {
2439 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2440 hci_conn_drop(conn);
2441 goto unlock;
1da177e4
LT		 2442 }
2443
dc8357cc
MH		 2444 if (conn->state == BT_CONFIG) {
2445 if (!ev->status)
2446 conn->state = BT_CONNECTED;
2447
40b552aa
MH		 2448 /* In Secure Connections Only mode, do not allow any
2449 * connections that are not encrypted with AES-CCM
2450 * using a P-256 authenticated combination key.
2451 */
2452 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2453 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2454 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2455 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2456 hci_conn_drop(conn);
2457 goto unlock;
2458 }
2459
dc8357cc
MH		 2460 hci_proto_connect_cfm(conn, ev->status);
2461 hci_conn_drop(conn);
2462 } else
2463 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2464
a7d7723a 2465unlock:
1da177e4
LT		 2466 hci_dev_unlock(hdev);
2467}
2468
6039aa73
GP		 2469static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2470 struct sk_buff *skb)
1da177e4 2471{
a9de9248 2472 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2473 struct hci_conn *conn;
1da177e4 2474
9f1db00c 2475 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2476
2477 hci_dev_lock(hdev);
2478
04837f64 2479 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2480 if (conn) {
2481 if (!ev->status)
4dae2798 2482 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2483
51a8efd7 2484 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2485
2486 hci_key_change_cfm(conn, ev->status);
2487 }
2488
2489 hci_dev_unlock(hdev);
2490}
2491
6039aa73
GP		 2492static void hci_remote_features_evt(struct hci_dev *hdev,
2493 struct sk_buff *skb)
1da177e4 2494{
a9de9248
MH		 2495 struct hci_ev_remote_features *ev = (void *) skb->data;
2496 struct hci_conn *conn;
2497
9f1db00c 2498 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2499
a9de9248
MH		 2500 hci_dev_lock(hdev);
2501
2502 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2503 if (!conn)
2504 goto unlock;
769be974 2505
ccd556fe 2506 if (!ev->status)
cad718ed 2507 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2508
2509 if (conn->state != BT_CONFIG)
2510 goto unlock;
2511
2512 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2513 struct hci_cp_read_remote_ext_features cp;
2514 cp.handle = ev->handle;
2515 cp.page = 0x01;
2516 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2517 sizeof(cp), &cp);
392599b9
JH		 2518 goto unlock;
2519 }
2520
671267bf 2521 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2522 struct hci_cp_remote_name_req cp;
2523 memset(&cp, 0, sizeof(cp));
2524 bacpy(&cp.bdaddr, &conn->dst);
2525 cp.pscan_rep_mode = 0x02;
2526 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2527 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2528 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2529 conn->dst_type, 0, NULL, 0,
2530 conn->dev_class);
392599b9 2531
127178d2 2532 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2533 conn->state = BT_CONNECTED;
2534 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2535 hci_conn_drop(conn);
769be974 2536 }
a9de9248 2537
ccd556fe 2538unlock:
a9de9248 2539 hci_dev_unlock(hdev);
1da177e4
LT		 2540}
2541
6039aa73 2542static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2543{
2544 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2545 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2546 __u16 opcode;
2547
2548 skb_pull(skb, sizeof(*ev));
2549
2550 opcode = __le16_to_cpu(ev->opcode);
2551
2552 switch (opcode) {
2553 case HCI_OP_INQUIRY_CANCEL:
2554 hci_cc_inquiry_cancel(hdev, skb);
2555 break;
2556
4d93483b
AG		 2557 case HCI_OP_PERIODIC_INQ:
2558 hci_cc_periodic_inq(hdev, skb);
2559 break;
2560
a9de9248
MH		 2561 case HCI_OP_EXIT_PERIODIC_INQ:
2562 hci_cc_exit_periodic_inq(hdev, skb);
2563 break;
2564
2565 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2566 hci_cc_remote_name_req_cancel(hdev, skb);
2567 break;
2568
2569 case HCI_OP_ROLE_DISCOVERY:
2570 hci_cc_role_discovery(hdev, skb);
2571 break;
2572
e4e8e37c
MH		 2573 case HCI_OP_READ_LINK_POLICY:
2574 hci_cc_read_link_policy(hdev, skb);
2575 break;
2576
a9de9248
MH		 2577 case HCI_OP_WRITE_LINK_POLICY:
2578 hci_cc_write_link_policy(hdev, skb);
2579 break;
2580
e4e8e37c
MH		 2581 case HCI_OP_READ_DEF_LINK_POLICY:
2582 hci_cc_read_def_link_policy(hdev, skb);
2583 break;
2584
2585 case HCI_OP_WRITE_DEF_LINK_POLICY:
2586 hci_cc_write_def_link_policy(hdev, skb);
2587 break;
2588
a9de9248
MH		 2589 case HCI_OP_RESET:
2590 hci_cc_reset(hdev, skb);
2591 break;
2592
2593 case HCI_OP_WRITE_LOCAL_NAME:
2594 hci_cc_write_local_name(hdev, skb);
2595 break;
2596
2597 case HCI_OP_READ_LOCAL_NAME:
2598 hci_cc_read_local_name(hdev, skb);
2599 break;
2600
2601 case HCI_OP_WRITE_AUTH_ENABLE:
2602 hci_cc_write_auth_enable(hdev, skb);
2603 break;
2604
2605 case HCI_OP_WRITE_ENCRYPT_MODE:
2606 hci_cc_write_encrypt_mode(hdev, skb);
2607 break;
2608
2609 case HCI_OP_WRITE_SCAN_ENABLE:
2610 hci_cc_write_scan_enable(hdev, skb);
2611 break;
2612
2613 case HCI_OP_READ_CLASS_OF_DEV:
2614 hci_cc_read_class_of_dev(hdev, skb);
2615 break;
2616
2617 case HCI_OP_WRITE_CLASS_OF_DEV:
2618 hci_cc_write_class_of_dev(hdev, skb);
2619 break;
2620
2621 case HCI_OP_READ_VOICE_SETTING:
2622 hci_cc_read_voice_setting(hdev, skb);
2623 break;
2624
2625 case HCI_OP_WRITE_VOICE_SETTING:
2626 hci_cc_write_voice_setting(hdev, skb);
2627 break;
2628
b4cb9fb2
MH		 2629 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2630 hci_cc_read_num_supported_iac(hdev, skb);
2631 break;
2632
333140b5
MH		 2633 case HCI_OP_WRITE_SSP_MODE:
2634 hci_cc_write_ssp_mode(hdev, skb);
2635 break;
2636
eac83dc6
MH		 2637 case HCI_OP_WRITE_SC_SUPPORT:
2638 hci_cc_write_sc_support(hdev, skb);
2639 break;
2640
a9de9248
MH		 2641 case HCI_OP_READ_LOCAL_VERSION:
2642 hci_cc_read_local_version(hdev, skb);
2643 break;
2644
2645 case HCI_OP_READ_LOCAL_COMMANDS:
2646 hci_cc_read_local_commands(hdev, skb);
2647 break;
2648
2649 case HCI_OP_READ_LOCAL_FEATURES:
2650 hci_cc_read_local_features(hdev, skb);
2651 break;
2652
971e3a4b
AG		 2653 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2654 hci_cc_read_local_ext_features(hdev, skb);
2655 break;
2656
a9de9248
MH		 2657 case HCI_OP_READ_BUFFER_SIZE:
2658 hci_cc_read_buffer_size(hdev, skb);
2659 break;
2660
2661 case HCI_OP_READ_BD_ADDR:
2662 hci_cc_read_bd_addr(hdev, skb);
2663 break;
2664
f332ec66
JH		 2665 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2666 hci_cc_read_page_scan_activity(hdev, skb);
2667 break;
2668
4a3ee763
JH		 2669 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2670 hci_cc_write_page_scan_activity(hdev, skb);
2671 break;
2672
f332ec66
JH		 2673 case HCI_OP_READ_PAGE_SCAN_TYPE:
2674 hci_cc_read_page_scan_type(hdev, skb);
2675 break;
2676
4a3ee763
JH		 2677 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2678 hci_cc_write_page_scan_type(hdev, skb);
2679 break;
2680
350ee4cf
AE		 2681 case HCI_OP_READ_DATA_BLOCK_SIZE:
2682 hci_cc_read_data_block_size(hdev, skb);
2683 break;
2684
1e89cffb
AE		 2685 case HCI_OP_READ_FLOW_CONTROL_MODE:
2686 hci_cc_read_flow_control_mode(hdev, skb);
2687 break;
2688
928abaa7
AE		 2689 case HCI_OP_READ_LOCAL_AMP_INFO:
2690 hci_cc_read_local_amp_info(hdev, skb);
2691 break;
2692
33f35721
JH		 2693 case HCI_OP_READ_CLOCK:
2694 hci_cc_read_clock(hdev, skb);
2695 break;
2696
903e4541
AE		 2697 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2698 hci_cc_read_local_amp_assoc(hdev, skb);
2699 break;
2700
d5859e22
JH		 2701 case HCI_OP_READ_INQ_RSP_TX_POWER:
2702 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2703 break;
2704
980e1a53
JH		 2705 case HCI_OP_PIN_CODE_REPLY:
2706 hci_cc_pin_code_reply(hdev, skb);
2707 break;
2708
2709 case HCI_OP_PIN_CODE_NEG_REPLY:
2710 hci_cc_pin_code_neg_reply(hdev, skb);
2711 break;
2712
c35938b2 2713 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2714 hci_cc_read_local_oob_data(hdev, skb);
2715 break;
2716
2717 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2718 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2719 break;
2720
6ed58ec5
VT		 2721 case HCI_OP_LE_READ_BUFFER_SIZE:
2722 hci_cc_le_read_buffer_size(hdev, skb);
2723 break;
2724
60e77321
JH		 2725 case HCI_OP_LE_READ_LOCAL_FEATURES:
2726 hci_cc_le_read_local_features(hdev, skb);
2727 break;
2728
8fa19098
JH		 2729 case HCI_OP_LE_READ_ADV_TX_POWER:
2730 hci_cc_le_read_adv_tx_power(hdev, skb);
2731 break;
2732
a5c29683
JH		 2733 case HCI_OP_USER_CONFIRM_REPLY:
2734 hci_cc_user_confirm_reply(hdev, skb);
2735 break;
2736
2737 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2738 hci_cc_user_confirm_neg_reply(hdev, skb);
2739 break;
2740
1143d458
BG		 2741 case HCI_OP_USER_PASSKEY_REPLY:
2742 hci_cc_user_passkey_reply(hdev, skb);
2743 break;
2744
2745 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2746 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2747 break;
07f7fa5d 2748
7a4cd51d
MH		 2749 case HCI_OP_LE_SET_RANDOM_ADDR:
2750 hci_cc_le_set_random_addr(hdev, skb);
2751 break;
2752
c1d5dc4a
JH		 2753 case HCI_OP_LE_SET_ADV_ENABLE:
2754 hci_cc_le_set_adv_enable(hdev, skb);
2755 break;
2756
533553f8
MH		 2757 case HCI_OP_LE_SET_SCAN_PARAM:
2758 hci_cc_le_set_scan_param(hdev, skb);
2759 break;
2760
eb9d91f5
AG		 2761 case HCI_OP_LE_SET_SCAN_ENABLE:
2762 hci_cc_le_set_scan_enable(hdev, skb);
2763 break;
2764
cf1d081f
JH		 2765 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2766 hci_cc_le_read_white_list_size(hdev, skb);
2767 break;
2768
0f36b589
MH		 2769 case HCI_OP_LE_CLEAR_WHITE_LIST:
2770 hci_cc_le_clear_white_list(hdev, skb);
2771 break;
2772
2773 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2774 hci_cc_le_add_to_white_list(hdev, skb);
2775 break;
2776
2777 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2778 hci_cc_le_del_from_white_list(hdev, skb);
2779 break;
2780
9b008c04
JH		 2781 case HCI_OP_LE_READ_SUPPORTED_STATES:
2782 hci_cc_le_read_supported_states(hdev, skb);
2783 break;
2784
f9b49306
AG		 2785 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2786 hci_cc_write_le_host_supported(hdev, skb);
2787 break;
2788
56ed2cb8
JH		 2789 case HCI_OP_LE_SET_ADV_PARAM:
2790 hci_cc_set_adv_param(hdev, skb);
2791 break;
2792
93c284ee
AE		 2793 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2794 hci_cc_write_remote_amp_assoc(hdev, skb);
2795 break;
2796
5ae76a94
AK		 2797 case HCI_OP_READ_RSSI:
2798 hci_cc_read_rssi(hdev, skb);
2799 break;
2800
5a134fae
AK		 2801 case HCI_OP_READ_TX_POWER:
2802 hci_cc_read_tx_power(hdev, skb);
2803 break;
2804
a9de9248 2805 default:
9f1db00c 2806 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2807 break;
2808 }
2809
ad82cdd1 2810 if (opcode != HCI_OP_NOP)
65cc2b49 2811 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2812
ad82cdd1 2813 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2814
dbccd791 2815 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2816 atomic_set(&hdev->cmd_cnt, 1);
2817 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2818 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2819 }
2820}
2821
6039aa73 2822static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2823{
2824 struct hci_ev_cmd_status *ev = (void *) skb->data;
2825 __u16 opcode;
2826
2827 skb_pull(skb, sizeof(*ev));
2828
2829 opcode = __le16_to_cpu(ev->opcode);
2830
2831 switch (opcode) {
2832 case HCI_OP_INQUIRY:
2833 hci_cs_inquiry(hdev, ev->status);
2834 break;
2835
2836 case HCI_OP_CREATE_CONN:
2837 hci_cs_create_conn(hdev, ev->status);
2838 break;
2839
2840 case HCI_OP_ADD_SCO:
2841 hci_cs_add_sco(hdev, ev->status);
2842 break;
2843
f8558555
MH		 2844 case HCI_OP_AUTH_REQUESTED:
2845 hci_cs_auth_requested(hdev, ev->status);
2846 break;
2847
2848 case HCI_OP_SET_CONN_ENCRYPT:
2849 hci_cs_set_conn_encrypt(hdev, ev->status);
2850 break;
2851
a9de9248
MH		 2852 case HCI_OP_REMOTE_NAME_REQ:
2853 hci_cs_remote_name_req(hdev, ev->status);
2854 break;
2855
769be974
MH		 2856 case HCI_OP_READ_REMOTE_FEATURES:
2857 hci_cs_read_remote_features(hdev, ev->status);
2858 break;
2859
2860 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2861 hci_cs_read_remote_ext_features(hdev, ev->status);
2862 break;
2863
a9de9248
MH		 2864 case HCI_OP_SETUP_SYNC_CONN:
2865 hci_cs_setup_sync_conn(hdev, ev->status);
2866 break;
2867
2868 case HCI_OP_SNIFF_MODE:
2869 hci_cs_sniff_mode(hdev, ev->status);
2870 break;
2871
2872 case HCI_OP_EXIT_SNIFF_MODE:
2873 hci_cs_exit_sniff_mode(hdev, ev->status);
2874 break;
2875
8962ee74 2876 case HCI_OP_DISCONNECT:
88c3df13 2877 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2878 break;
2879
a02226d6
AE		 2880 case HCI_OP_CREATE_PHY_LINK:
2881 hci_cs_create_phylink(hdev, ev->status);
2882 break;
2883
0b26ab9d
AE		 2884 case HCI_OP_ACCEPT_PHY_LINK:
2885 hci_cs_accept_phylink(hdev, ev->status);
2886 break;
2887
cb1d68f7
JH		 2888 case HCI_OP_LE_CREATE_CONN:
2889 hci_cs_le_create_conn(hdev, ev->status);
2890 break;
2891
81d0c8ad
JH		 2892 case HCI_OP_LE_START_ENC:
2893 hci_cs_le_start_enc(hdev, ev->status);
2894 break;
2895
a9de9248 2896 default:
9f1db00c 2897 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2898 break;
2899 }
2900
ad82cdd1 2901 if (opcode != HCI_OP_NOP)
65cc2b49 2902 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2903
02350a72
JH		 2904 if (ev->status ||
2905 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2906 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2907
10572132 2908 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2909 atomic_set(&hdev->cmd_cnt, 1);
2910 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2911 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2912 }
2913}
2914
6039aa73 2915static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2916{
2917 struct hci_ev_role_change *ev = (void *) skb->data;
2918 struct hci_conn *conn;
2919
9f1db00c 2920 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2921
2922 hci_dev_lock(hdev);
2923
2924 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2925 if (conn) {
40bef302
JH		 2926 if (!ev->status)
2927 conn->role = ev->role;
a9de9248 2928
51a8efd7 2929 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2930
2931 hci_role_switch_cfm(conn, ev->status, ev->role);
2932 }
2933
2934 hci_dev_unlock(hdev);
2935}
2936
6039aa73 2937static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2938{
2939 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2940 int i;
2941
32ac5b9b
AE		 2942 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2943 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2944 return;
2945 }
2946
c5993de8 2947 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2948 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2949 BT_DBG("%s bad parameters", hdev->name);
2950 return;
2951 }
2952
c5993de8
AE		 2953 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2954
613a1c0c
AE		 2955 for (i = 0; i < ev->num_hndl; i++) {
2956 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2957 struct hci_conn *conn;
2958 __u16 handle, count;
2959
613a1c0c
AE		 2960 handle = __le16_to_cpu(info->handle);
2961 count = __le16_to_cpu(info->count);
a9de9248
MH		 2962
2963 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2964 if (!conn)
2965 continue;
2966
2967 conn->sent -= count;
2968
2969 switch (conn->type) {
2970 case ACL_LINK:
2971 hdev->acl_cnt += count;
2972 if (hdev->acl_cnt > hdev->acl_pkts)
2973 hdev->acl_cnt = hdev->acl_pkts;
2974 break;
2975
2976 case LE_LINK:
2977 if (hdev->le_pkts) {
2978 hdev->le_cnt += count;
2979 if (hdev->le_cnt > hdev->le_pkts)
2980 hdev->le_cnt = hdev->le_pkts;
2981 } else {
70f23020
AE		 2982 hdev->acl_cnt += count;
2983 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2984 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2985 }
f4280918
AE		 2986 break;
2987
2988 case SCO_LINK:
2989 hdev->sco_cnt += count;
2990 if (hdev->sco_cnt > hdev->sco_pkts)
2991 hdev->sco_cnt = hdev->sco_pkts;
2992 break;
2993
2994 default:
2995 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2996 break;
a9de9248
MH		 2997 }
2998 }
2999
3eff45ea 3000 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3001}
3002
76ef7cf7
AE		 3003static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3004 __u16 handle)
3005{
3006 struct hci_chan *chan;
3007
3008 switch (hdev->dev_type) {
3009 case HCI_BREDR:
3010 return hci_conn_hash_lookup_handle(hdev, handle);
3011 case HCI_AMP:
3012 chan = hci_chan_lookup_handle(hdev, handle);
3013 if (chan)
3014 return chan->conn;
3015 break;
3016 default:
3017 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3018 break;
3019 }
3020
3021 return NULL;
3022}
3023
6039aa73 3024static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3025{
3026 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3027 int i;
3028
3029 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3030 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3031 return;
3032 }
3033
3034 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3035 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3036 BT_DBG("%s bad parameters", hdev->name);
3037 return;
3038 }
3039
3040 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3041 ev->num_hndl);
25e89e99
AE		 3042
3043 for (i = 0; i < ev->num_hndl; i++) {
3044 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3045 struct hci_conn *conn = NULL;
25e89e99
AE		 3046 __u16 handle, block_count;
3047
3048 handle = __le16_to_cpu(info->handle);
3049 block_count = __le16_to_cpu(info->blocks);
3050
76ef7cf7 3051 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3052 if (!conn)
3053 continue;
3054
3055 conn->sent -= block_count;
3056
3057 switch (conn->type) {
3058 case ACL_LINK:
bd1eb66b 3059 case AMP_LINK:
25e89e99
AE		 3060 hdev->block_cnt += block_count;
3061 if (hdev->block_cnt > hdev->num_blocks)
3062 hdev->block_cnt = hdev->num_blocks;
3063 break;
3064
3065 default:
3066 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3067 break;
3068 }
3069 }
3070
3071 queue_work(hdev->workqueue, &hdev->tx_work);
3072}
3073
6039aa73 3074static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3075{
a9de9248 3076 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3077 struct hci_conn *conn;
3078
9f1db00c 3079 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3080
3081 hci_dev_lock(hdev);
3082
3083 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3084 if (conn) {
3085 conn->mode = ev->mode;
a9de9248 3086
8fc9ced3
GP		 3087 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3088 &conn->flags)) {
a9de9248 3089 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3090 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3091 else
58a681ef 3092 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3093 }
e73439d8 3094
51a8efd7 3095 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3096 hci_sco_setup(conn, ev->status);
04837f64
MH		 3097 }
3098
3099 hci_dev_unlock(hdev);
3100}
3101
6039aa73 3102static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3103{
052b30b0
MH		 3104 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3105 struct hci_conn *conn;
3106
a9de9248 3107 BT_DBG("%s", hdev->name);
052b30b0
MH		 3108
3109 hci_dev_lock(hdev);
3110
3111 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3112 if (!conn)
3113 goto unlock;
3114
3115 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3116 hci_conn_hold(conn);
3117 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3118 hci_conn_drop(conn);
052b30b0
MH		 3119 }
3120
a8b2d5c2 3121 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 3122 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3123 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 3124 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3125 u8 secure;
3126
3127 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3128 secure = 1;
3129 else
3130 secure = 0;
3131
744cf19e 3132 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3133 }
980e1a53 3134
b6f98044 3135unlock:
052b30b0 3136 hci_dev_unlock(hdev);
a9de9248
MH		 3137}
3138
6039aa73 3139static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3140{
55ed8ca1
JH		 3141 struct hci_ev_link_key_req *ev = (void *) skb->data;
3142 struct hci_cp_link_key_reply cp;
3143 struct hci_conn *conn;
3144 struct link_key *key;
3145
a9de9248 3146 BT_DBG("%s", hdev->name);
55ed8ca1 3147
034cbea0 3148 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3149 return;
3150
3151 hci_dev_lock(hdev);
3152
3153 key = hci_find_link_key(hdev, &ev->bdaddr);
3154 if (!key) {
6ed93dc6
AE		 3155 BT_DBG("%s link key not found for %pMR", hdev->name,
3156 &ev->bdaddr);
55ed8ca1
JH		 3157 goto not_found;
3158 }
3159
6ed93dc6
AE		 3160 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3161 &ev->bdaddr);
55ed8ca1 3162
55ed8ca1 3163 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3164 if (conn) {
66138ce8
MH		 3165 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3166 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3167 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3168 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3169 goto not_found;
3170 }
55ed8ca1 3171
60b83f57 3172 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3173 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3174 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3175 BT_DBG("%s ignoring key unauthenticated for high security",
3176 hdev->name);
60b83f57
WR		 3177 goto not_found;
3178 }
3179
3180 conn->key_type = key->type;
3181 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3182 }
3183
3184 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3185 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3186
3187 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3188
3189 hci_dev_unlock(hdev);
3190
3191 return;
3192
3193not_found:
3194 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3195 hci_dev_unlock(hdev);
a9de9248
MH		 3196}
3197
6039aa73 3198static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3199{
052b30b0
MH		 3200 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3201 struct hci_conn *conn;
7652ff6a
JH		 3202 struct link_key *key;
3203 bool persistent;
55ed8ca1 3204 u8 pin_len = 0;
052b30b0 3205
a9de9248 3206 BT_DBG("%s", hdev->name);
052b30b0
MH		 3207
3208 hci_dev_lock(hdev);
3209
3210 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3211 if (conn) {
3212 hci_conn_hold(conn);
3213 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3214 pin_len = conn->pin_length;
13d39315
WR		 3215
3216 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3217 conn->key_type = ev->key_type;
3218
76a68ba0 3219 hci_conn_drop(conn);
052b30b0
MH		 3220 }
3221
7652ff6a
JH		 3222 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3223 goto unlock;
3224
3225 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3226 ev->key_type, pin_len, &persistent);
3227 if (!key)
3228 goto unlock;
3229
3230 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3231
6d5650c4
JH		 3232 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3233 * is set. If it's not set simply remove the key from the kernel
3234 * list (we've still notified user space about it but with
3235 * store_hint being 0).
3236 */
3237 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3238 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3239 list_del(&key->list);
3240 kfree(key);
3241 } else if (conn) {
af6a9c32
JH		 3242 if (persistent)
3243 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3244 else
3245 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3246 }
7652ff6a
JH		 3247
3248unlock:
052b30b0 3249 hci_dev_unlock(hdev);
a9de9248
MH		 3250}
3251
6039aa73 3252static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3253{
a9de9248 3254 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3255 struct hci_conn *conn;
1da177e4 3256
9f1db00c 3257 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3258
3259 hci_dev_lock(hdev);
3260
04837f64 3261 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3262 if (conn && !ev->status) {
3263 struct inquiry_entry *ie;
3264
cc11b9c1
AE		 3265 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3266 if (ie) {
1da177e4
LT		 3267 ie->data.clock_offset = ev->clock_offset;
3268 ie->timestamp = jiffies;
3269 }
3270 }
3271
3272 hci_dev_unlock(hdev);
3273}
3274
6039aa73 3275static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3276{
3277 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3278 struct hci_conn *conn;
3279
9f1db00c 3280 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3281
3282 hci_dev_lock(hdev);
3283
3284 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3285 if (conn && !ev->status)
3286 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3287
3288 hci_dev_unlock(hdev);
3289}
3290
6039aa73 3291static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3292{
a9de9248 3293 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3294 struct inquiry_entry *ie;
3295
3296 BT_DBG("%s", hdev->name);
3297
3298 hci_dev_lock(hdev);
3299
cc11b9c1
AE		 3300 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3301 if (ie) {
85a1e930
MH		 3302 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3303 ie->timestamp = jiffies;
3304 }
3305
3306 hci_dev_unlock(hdev);
3307}
3308
6039aa73
GP		 3309static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3310 struct sk_buff *skb)
a9de9248
MH		 3311{
3312 struct inquiry_data data;
3313 int num_rsp = *((__u8 *) skb->data);
3314
3315 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3316
3317 if (!num_rsp)
3318 return;
3319
1519cc17
AG		 3320 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3321 return;
3322
a9de9248
MH		 3323 hci_dev_lock(hdev);
3324
3325 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3326 struct inquiry_info_with_rssi_and_pscan_mode *info;
3327 info = (void *) (skb->data + 1);
a9de9248 3328
e17acd40 3329 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3330 u32 flags;
3331
a9de9248
MH		 3332 bacpy(&data.bdaddr, &info->bdaddr);
3333 data.pscan_rep_mode = info->pscan_rep_mode;
3334 data.pscan_period_mode = info->pscan_period_mode;
3335 data.pscan_mode = info->pscan_mode;
3336 memcpy(data.dev_class, info->dev_class, 3);
3337 data.clock_offset = info->clock_offset;
3338 data.rssi = info->rssi;
41a96212 3339 data.ssp_mode = 0x00;
3175405b 3340
af58925c
MH		 3341 flags = hci_inquiry_cache_update(hdev, &data, false);
3342
48264f06 3343 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3344 info->dev_class, info->rssi,
af58925c 3345 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3346 }
3347 } else {
3348 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3349
e17acd40 3350 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3351 u32 flags;
3352
a9de9248
MH		 3353 bacpy(&data.bdaddr, &info->bdaddr);
3354 data.pscan_rep_mode = info->pscan_rep_mode;
3355 data.pscan_period_mode = info->pscan_period_mode;
3356 data.pscan_mode = 0x00;
3357 memcpy(data.dev_class, info->dev_class, 3);
3358 data.clock_offset = info->clock_offset;
3359 data.rssi = info->rssi;
41a96212 3360 data.ssp_mode = 0x00;
af58925c
MH		 3361
3362 flags = hci_inquiry_cache_update(hdev, &data, false);
3363
48264f06 3364 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3365 info->dev_class, info->rssi,
af58925c 3366 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3367 }
3368 }
3369
3370 hci_dev_unlock(hdev);
3371}
3372
6039aa73
GP		 3373static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3374 struct sk_buff *skb)
a9de9248 3375{
41a96212
MH		 3376 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3377 struct hci_conn *conn;
3378
a9de9248 3379 BT_DBG("%s", hdev->name);
41a96212 3380
41a96212
MH		 3381 hci_dev_lock(hdev);
3382
3383 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3384 if (!conn)
3385 goto unlock;
41a96212 3386
cad718ed
JH		 3387 if (ev->page < HCI_MAX_PAGES)
3388 memcpy(conn->features[ev->page], ev->features, 8);
3389
ccd556fe
JH		 3390 if (!ev->status && ev->page == 0x01) {
3391 struct inquiry_entry *ie;
41a96212 3392
cc11b9c1
AE		 3393 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3394 if (ie)
02b7cc62 3395 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3396
bbb0eada 3397 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3398 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3399 } else {
3400 /* It is mandatory by the Bluetooth specification that
3401 * Extended Inquiry Results are only used when Secure
3402 * Simple Pairing is enabled, but some devices violate
3403 * this.
3404 *
3405 * To make these devices work, the internal SSP
3406 * enabled flag needs to be cleared if the remote host
3407 * features do not indicate SSP support */
3408 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3409 }
eb9a8f3f
MH		 3410
3411 if (ev->features[0] & LMP_HOST_SC)
3412 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3413 }
3414
3415 if (conn->state != BT_CONFIG)
3416 goto unlock;
3417
671267bf 3418 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3419 struct hci_cp_remote_name_req cp;
3420 memset(&cp, 0, sizeof(cp));
3421 bacpy(&cp.bdaddr, &conn->dst);
3422 cp.pscan_rep_mode = 0x02;
3423 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3424 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3425 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3426 conn->dst_type, 0, NULL, 0,
3427 conn->dev_class);
392599b9 3428
127178d2 3429 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3430 conn->state = BT_CONNECTED;
3431 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3432 hci_conn_drop(conn);
41a96212
MH		 3433 }
3434
ccd556fe 3435unlock:
41a96212 3436 hci_dev_unlock(hdev);
a9de9248
MH		 3437}
3438
6039aa73
GP		 3439static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3440 struct sk_buff *skb)
a9de9248 3441{
b6a0dc82
MH		 3442 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3443 struct hci_conn *conn;
3444
9f1db00c 3445 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3446
3447 hci_dev_lock(hdev);
3448
3449 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3450 if (!conn) {
3451 if (ev->link_type == ESCO_LINK)
3452 goto unlock;
3453
3454 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3455 if (!conn)
3456 goto unlock;
3457
3458 conn->type = SCO_LINK;
3459 }
b6a0dc82 3460
732547f9
MH		 3461 switch (ev->status) {
3462 case 0x00:
b6a0dc82
MH		 3463 conn->handle = __le16_to_cpu(ev->handle);
3464 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3465
3466 hci_conn_add_sysfs(conn);
732547f9
MH		 3467 break;
3468
81218d20 3469 case 0x10: /* Connection Accept Timeout */
1a4c958c 3470 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3471 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3472 case 0x1c: /* SCO interval rejected */
1038a00b 3473 case 0x1a: /* Unsupported Remote Feature */
732547f9 3474 case 0x1f: /* Unspecified error */
27539bc4 3475 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3476 if (conn->out) {
732547f9
MH		 3477 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3478 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3479 if (hci_setup_sync(conn, conn->link->handle))
3480 goto unlock;
732547f9
MH		 3481 }
3482 /* fall through */
3483
3484 default:
b6a0dc82 3485 conn->state = BT_CLOSED;
732547f9
MH		 3486 break;
3487 }
b6a0dc82
MH		 3488
3489 hci_proto_connect_cfm(conn, ev->status);
3490 if (ev->status)
3491 hci_conn_del(conn);
3492
3493unlock:
3494 hci_dev_unlock(hdev);
a9de9248
MH		 3495}
3496
efdcf8e3
MH		 3497static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3498{
3499 size_t parsed = 0;
3500
3501 while (parsed < eir_len) {
3502 u8 field_len = eir[0];
3503
3504 if (field_len == 0)
3505 return parsed;
3506
3507 parsed += field_len + 1;
3508 eir += field_len + 1;
3509 }
3510
3511 return eir_len;
3512}
3513
6039aa73
GP		 3514static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3515 struct sk_buff *skb)
1da177e4 3516{
a9de9248
MH		 3517 struct inquiry_data data;
3518 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3519 int num_rsp = *((__u8 *) skb->data);
9d939d94 3520 size_t eir_len;
1da177e4 3521
a9de9248 3522 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3523
a9de9248
MH		 3524 if (!num_rsp)
3525 return;
1da177e4 3526
1519cc17
AG		 3527 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3528 return;
3529
a9de9248
MH		 3530 hci_dev_lock(hdev);
3531
e17acd40 3532 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3533 u32 flags;
3534 bool name_known;
561aafbc 3535
a9de9248 3536 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3537 data.pscan_rep_mode = info->pscan_rep_mode;
3538 data.pscan_period_mode = info->pscan_period_mode;
3539 data.pscan_mode = 0x00;
a9de9248 3540 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3541 data.clock_offset = info->clock_offset;
3542 data.rssi = info->rssi;
41a96212 3543 data.ssp_mode = 0x01;
561aafbc 3544
a8b2d5c2 3545 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3546 name_known = eir_has_data_type(info->data,
04124681
GP		 3547 sizeof(info->data),
3548 EIR_NAME_COMPLETE);
561aafbc
JH		 3549 else
3550 name_known = true;
3551
af58925c
MH		 3552 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3553
9d939d94 3554 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3555
48264f06 3556 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3557 info->dev_class, info->rssi,
3558 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3559 }
3560
3561 hci_dev_unlock(hdev);
3562}
1da177e4 3563
1c2e0041
JH		 3564static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3565 struct sk_buff *skb)
3566{
3567 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3568 struct hci_conn *conn;
3569
9f1db00c 3570 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3571 __le16_to_cpu(ev->handle));
3572
3573 hci_dev_lock(hdev);
3574
3575 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3576 if (!conn)
3577 goto unlock;
3578
9eb1fbfa
JH		 3579 /* For BR/EDR the necessary steps are taken through the
3580 * auth_complete event.
3581 */
3582 if (conn->type != LE_LINK)
3583 goto unlock;
3584
1c2e0041
JH		 3585 if (!ev->status)
3586 conn->sec_level = conn->pending_sec_level;
3587
3588 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3589
3590 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3591 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3592 hci_conn_drop(conn);
1c2e0041
JH		 3593 goto unlock;
3594 }
3595
3596 if (conn->state == BT_CONFIG) {
3597 if (!ev->status)
3598 conn->state = BT_CONNECTED;
3599
3600 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3601 hci_conn_drop(conn);
1c2e0041
JH		 3602 } else {
3603 hci_auth_cfm(conn, ev->status);
3604
3605 hci_conn_hold(conn);
3606 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3607 hci_conn_drop(conn);
1c2e0041
JH		 3608 }
3609
3610unlock:
3611 hci_dev_unlock(hdev);
3612}
3613
6039aa73 3614static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3615{
17fa4b9d 3616 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3617 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3618 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3619 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3620
b7f94c88
MA		 3621 /* If both remote and local have enough IO capabilities, require
3622 * MITM protection
3623 */
3624 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3625 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3626 return conn->remote_auth | 0x01;
3627
7e74170a
TM		 3628 /* No MITM protection possible so ignore remote requirement */
3629 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3630}
3631
6039aa73 3632static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3633{
3634 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3635 struct hci_conn *conn;
3636
3637 BT_DBG("%s", hdev->name);
3638
3639 hci_dev_lock(hdev);
3640
3641 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3642 if (!conn)
3643 goto unlock;
3644
3645 hci_conn_hold(conn);
3646
a8b2d5c2 3647 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3648 goto unlock;
3649
a8b2d5c2 3650 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3651 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3652 struct hci_cp_io_capability_reply cp;
3653
3654 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3655 /* Change the IO capability from KeyboardDisplay
3656 * to DisplayYesNo as it is not supported by BT spec. */
3657 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3658 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3659
3660 /* If we are initiators, there is no remote information yet */
3661 if (conn->remote_auth == 0xff) {
b16c6604 3662 /* Request MITM protection if our IO caps allow it
4ad51a75 3663 * except for the no-bonding case.
b16c6604 3664 */
6fd6b915 3665 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3666 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a
JH		 3667 conn->auth_type |= 0x01;
3668
3669 cp.authentication = conn->auth_type;
b7f94c88
MA		 3670 } else {
3671 conn->auth_type = hci_get_auth_req(conn);
3672 cp.authentication = conn->auth_type;
3673 }
17fa4b9d 3674
8fc9ced3
GP		 3675 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3676 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3677 cp.oob_data = 0x01;
3678 else
3679 cp.oob_data = 0x00;
3680
17fa4b9d 3681 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3682 sizeof(cp), &cp);
03b555e1
JH		 3683 } else {
3684 struct hci_cp_io_capability_neg_reply cp;
3685
3686 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3687 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3688
03b555e1 3689 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3690 sizeof(cp), &cp);
03b555e1
JH		 3691 }
3692
3693unlock:
3694 hci_dev_unlock(hdev);
3695}
3696
6039aa73 3697static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3698{
3699 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3700 struct hci_conn *conn;
3701
3702 BT_DBG("%s", hdev->name);
3703
3704 hci_dev_lock(hdev);
3705
3706 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3707 if (!conn)
3708 goto unlock;
3709
03b555e1 3710 conn->remote_cap = ev->capability;
03b555e1 3711 conn->remote_auth = ev->authentication;
58a681ef
JH		 3712 if (ev->oob_data)
3713 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3714
3715unlock:
0493684e
MH		 3716 hci_dev_unlock(hdev);
3717}
3718
6039aa73
GP		 3719static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3720 struct sk_buff *skb)
a5c29683
JH		 3721{
3722 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3723 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3724 struct hci_conn *conn;
a5c29683
JH		 3725
3726 BT_DBG("%s", hdev->name);
3727
3728 hci_dev_lock(hdev);
3729
a8b2d5c2 3730 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3731 goto unlock;
a5c29683 3732
7a828908
JH		 3733 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3734 if (!conn)
3735 goto unlock;
3736
3737 loc_mitm = (conn->auth_type & 0x01);
3738 rem_mitm = (conn->remote_auth & 0x01);
3739
3740 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3741 * (it has NoInputNoOutput) then reject the confirmation
3742 * request. We check the security level here since it doesn't
3743 * necessarily match conn->auth_type.
6fd6b915 3744 */
6c53823a
JH		 3745 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3746 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3747 BT_DBG("Rejecting request: remote device can't provide MITM");
3748 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3749 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3750 goto unlock;
3751 }
3752
3753 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3754 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3755 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3756
3757 /* If we're not the initiators request authorization to
3758 * proceed from user space (mgmt_user_confirm with
ba15a58b 3759 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3760 * side had MITM or if the local IO capability is
3761 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3762 */
3763 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3764 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3765 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3766 BT_DBG("Confirming auto-accept as acceptor");
3767 confirm_hint = 1;
3768 goto confirm;
3769 }
3770
9f61656a 3771 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3772 hdev->auto_accept_delay);
9f61656a
JH		 3773
3774 if (hdev->auto_accept_delay > 0) {
3775 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3776 queue_delayed_work(conn->hdev->workqueue,
3777 &conn->auto_accept_work, delay);
9f61656a
JH		 3778 goto unlock;
3779 }
3780
7a828908 3781 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3782 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3783 goto unlock;
3784 }
3785
55bc1a37 3786confirm:
39adbffe
JH		 3787 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3788 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3789
3790unlock:
a5c29683
JH		 3791 hci_dev_unlock(hdev);
3792}
3793
6039aa73
GP		 3794static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3795 struct sk_buff *skb)
1143d458
BG		 3796{
3797 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3798
3799 BT_DBG("%s", hdev->name);
3800
a8b2d5c2 3801 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3802 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3803}
3804
92a25256
JH		 3805static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3806 struct sk_buff *skb)
3807{
3808 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3809 struct hci_conn *conn;
3810
3811 BT_DBG("%s", hdev->name);
3812
3813 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3814 if (!conn)
3815 return;
3816
3817 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3818 conn->passkey_entered = 0;
3819
3820 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3821 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3822 conn->dst_type, conn->passkey_notify,
3823 conn->passkey_entered);
3824}
3825
3826static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3827{
3828 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3829 struct hci_conn *conn;
3830
3831 BT_DBG("%s", hdev->name);
3832
3833 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3834 if (!conn)
3835 return;
3836
3837 switch (ev->type) {
3838 case HCI_KEYPRESS_STARTED:
3839 conn->passkey_entered = 0;
3840 return;
3841
3842 case HCI_KEYPRESS_ENTERED:
3843 conn->passkey_entered++;
3844 break;
3845
3846 case HCI_KEYPRESS_ERASED:
3847 conn->passkey_entered--;
3848 break;
3849
3850 case HCI_KEYPRESS_CLEARED:
3851 conn->passkey_entered = 0;
3852 break;
3853
3854 case HCI_KEYPRESS_COMPLETED:
3855 return;
3856 }
3857
3858 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3859 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3860 conn->dst_type, conn->passkey_notify,
3861 conn->passkey_entered);
3862}
3863
6039aa73
GP		 3864static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3865 struct sk_buff *skb)
0493684e
MH		 3866{
3867 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3868 struct hci_conn *conn;
3869
3870 BT_DBG("%s", hdev->name);
3871
3872 hci_dev_lock(hdev);
3873
3874 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3875 if (!conn)
3876 goto unlock;
3877
c1d4fa7a
JH		 3878 /* Reset the authentication requirement to unknown */
3879 conn->remote_auth = 0xff;
3880
2a611692
JH		 3881 /* To avoid duplicate auth_failed events to user space we check
3882 * the HCI_CONN_AUTH_PEND flag which will be set if we
3883 * initiated the authentication. A traditional auth_complete
3884 * event gets always produced as initiator and is also mapped to
3885 * the mgmt_auth_failed event */
fa1bd918 3886 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3887 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3888 ev->status);
0493684e 3889
76a68ba0 3890 hci_conn_drop(conn);
2a611692
JH		 3891
3892unlock:
0493684e
MH		 3893 hci_dev_unlock(hdev);
3894}
3895
6039aa73
GP		 3896static void hci_remote_host_features_evt(struct hci_dev *hdev,
3897 struct sk_buff *skb)
41a96212
MH		 3898{
3899 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3900 struct inquiry_entry *ie;
cad718ed 3901 struct hci_conn *conn;
41a96212
MH		 3902
3903 BT_DBG("%s", hdev->name);
3904
3905 hci_dev_lock(hdev);
3906
cad718ed
JH		 3907 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3908 if (conn)
3909 memcpy(conn->features[1], ev->features, 8);
3910
cc11b9c1
AE		 3911 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3912 if (ie)
02b7cc62 3913 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3914
3915 hci_dev_unlock(hdev);
3916}
3917
6039aa73
GP		 3918static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3919 struct sk_buff *skb)
2763eda6
SJ		 3920{
3921 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3922 struct oob_data *data;
3923
3924 BT_DBG("%s", hdev->name);
3925
3926 hci_dev_lock(hdev);
3927
a8b2d5c2 3928 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3929 goto unlock;
3930
2763eda6
SJ		 3931 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3932 if (data) {
519ca9d0
MH		 3933 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3934 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3935
519ca9d0
MH		 3936 bacpy(&cp.bdaddr, &ev->bdaddr);
3937 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3938 memcpy(cp.randomizer192, data->randomizer192,
3939 sizeof(cp.randomizer192));
3940 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3941 memcpy(cp.randomizer256, data->randomizer256,
3942 sizeof(cp.randomizer256));
3943
3944 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3945 sizeof(cp), &cp);
3946 } else {
3947 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3948
519ca9d0
MH		 3949 bacpy(&cp.bdaddr, &ev->bdaddr);
3950 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3951 memcpy(cp.randomizer, data->randomizer192,
3952 sizeof(cp.randomizer));
3953
3954 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3955 sizeof(cp), &cp);
3956 }
2763eda6
SJ		 3957 } else {
3958 struct hci_cp_remote_oob_data_neg_reply cp;
3959
3960 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3961 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3962 sizeof(cp), &cp);
2763eda6
SJ		 3963 }
3964
e1ba1f15 3965unlock:
2763eda6
SJ		 3966 hci_dev_unlock(hdev);
3967}
3968
d5e91192
AE		 3969static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3970 struct sk_buff *skb)
3971{
3972 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3973 struct hci_conn *hcon, *bredr_hcon;
3974
3975 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3976 ev->status);
3977
3978 hci_dev_lock(hdev);
3979
3980 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3981 if (!hcon) {
3982 hci_dev_unlock(hdev);
3983 return;
3984 }
3985
3986 if (ev->status) {
3987 hci_conn_del(hcon);
3988 hci_dev_unlock(hdev);
3989 return;
3990 }
3991
3992 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3993
3994 hcon->state = BT_CONNECTED;
3995 bacpy(&hcon->dst, &bredr_hcon->dst);
3996
3997 hci_conn_hold(hcon);
3998 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3999 hci_conn_drop(hcon);
d5e91192 4000
d5e91192
AE		 4001 hci_conn_add_sysfs(hcon);
4002
cf70ff22 4003 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4004
cf70ff22 4005 hci_dev_unlock(hdev);
d5e91192
AE		 4006}
4007
27695fb4
AE		 4008static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4009{
4010 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4011 struct hci_conn *hcon;
4012 struct hci_chan *hchan;
4013 struct amp_mgr *mgr;
4014
4015 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4016 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4017 ev->status);
4018
4019 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4020 if (!hcon)
4021 return;
4022
4023 /* Create AMP hchan */
4024 hchan = hci_chan_create(hcon);
4025 if (!hchan)
4026 return;
4027
4028 hchan->handle = le16_to_cpu(ev->handle);
4029
4030 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4031
4032 mgr = hcon->amp_mgr;
4033 if (mgr && mgr->bredr_chan) {
4034 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4035
4036 l2cap_chan_lock(bredr_chan);
4037
4038 bredr_chan->conn->mtu = hdev->block_mtu;
4039 l2cap_logical_cfm(bredr_chan, hchan, 0);
4040 hci_conn_hold(hcon);
4041
4042 l2cap_chan_unlock(bredr_chan);
4043 }
4044}
4045
606e2a10
AE		 4046static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4047 struct sk_buff *skb)
4048{
4049 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4050 struct hci_chan *hchan;
4051
4052 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4053 le16_to_cpu(ev->handle), ev->status);
4054
4055 if (ev->status)
4056 return;
4057
4058 hci_dev_lock(hdev);
4059
4060 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4061 if (!hchan)
4062 goto unlock;
4063
4064 amp_destroy_logical_link(hchan, ev->reason);
4065
4066unlock:
4067 hci_dev_unlock(hdev);
4068}
4069
9eef6b3a
AE		 4070static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4071 struct sk_buff *skb)
4072{
4073 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4074 struct hci_conn *hcon;
4075
4076 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4077
4078 if (ev->status)
4079 return;
4080
4081 hci_dev_lock(hdev);
4082
4083 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4084 if (hcon) {
4085 hcon->state = BT_CLOSED;
4086 hci_conn_del(hcon);
4087 }
4088
4089 hci_dev_unlock(hdev);
4090}
4091
6039aa73 4092static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4093{
4094 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4095 struct hci_conn_params *params;
fcd89c09 4096 struct hci_conn *conn;
68d6f6de 4097 struct smp_irk *irk;
837d502e 4098 u8 addr_type;
fcd89c09 4099
9f1db00c 4100 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4101
4102 hci_dev_lock(hdev);
4103
fbd96c15
JH		 4104 /* All controllers implicitly stop advertising in the event of a
4105 * connection, so ensure that the state bit is cleared.
4106 */
4107 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4108
b47a09b3 4109 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4110 if (!conn) {
a5c4e309 4111 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4112 if (!conn) {
4113 BT_ERR("No memory for new connection");
230fd16a 4114 goto unlock;
b62f328b 4115 }
29b7988a
AG		 4116
4117 conn->dst_type = ev->bdaddr_type;
b9b343d2 4118
cb1d68f7
JH		 4119 /* If we didn't have a hci_conn object previously
4120 * but we're in master role this must be something
4121 * initiated using a white list. Since white list based
4122 * connections are not "first class citizens" we don't
4123 * have full tracking of them. Therefore, we go ahead
4124 * with a "best effort" approach of determining the
4125 * initiator address based on the HCI_PRIVACY flag.
4126 */
4127 if (conn->out) {
4128 conn->resp_addr_type = ev->bdaddr_type;
4129 bacpy(&conn->resp_addr, &ev->bdaddr);
4130 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4131 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4132 bacpy(&conn->init_addr, &hdev->rpa);
4133 } else {
4134 hci_copy_identity_address(hdev,
4135 &conn->init_addr,
4136 &conn->init_addr_type);
4137 }
cb1d68f7 4138 }
9489eca4
JH		 4139 } else {
4140 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4141 }
fcd89c09 4142
80c24ab8
JH		 4143 if (!conn->out) {
4144 /* Set the responder (our side) address type based on
4145 * the advertising address type.
4146 */
4147 conn->resp_addr_type = hdev->adv_addr_type;
4148 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4149 bacpy(&conn->resp_addr, &hdev->random_addr);
4150 else
4151 bacpy(&conn->resp_addr, &hdev->bdaddr);
4152
4153 conn->init_addr_type = ev->bdaddr_type;
4154 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4155
4156 /* For incoming connections, set the default minimum
4157 * and maximum connection interval. They will be used
4158 * to check if the parameters are in range and if not
4159 * trigger the connection update procedure.
4160 */
4161 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4162 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4163 }
7be2edbb 4164
edb4b466
MH		 4165 /* Lookup the identity address from the stored connection
4166 * address and address type.
4167 *
4168 * When establishing connections to an identity address, the
4169 * connection procedure will store the resolvable random
4170 * address first. Now if it can be converted back into the
4171 * identity address, start using the identity address from
4172 * now on.
4173 */
4174 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4175 if (irk) {
4176 bacpy(&conn->dst, &irk->bdaddr);
4177 conn->dst_type = irk->addr_type;
4178 }
4179
837d502e
JH		 4180 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4181 addr_type = BDADDR_LE_PUBLIC;
4182 else
4183 addr_type = BDADDR_LE_RANDOM;
4184
2d3c2260
JH		 4185 if (ev->status) {
4186 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4187 goto unlock;
4188 }
4189
2d3c2260
JH		 4190 /* Drop the connection if the device is blocked */
4191 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4192 hci_conn_drop(conn);
cd17decb
AG		 4193 goto unlock;
4194 }
4195
b644ba33 4196 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4197 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4198 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4199
7b5c0d52 4200 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4201 conn->handle = __le16_to_cpu(ev->handle);
4202 conn->state = BT_CONNECTED;
4203
e04fde60
MH		 4204 conn->le_conn_interval = le16_to_cpu(ev->interval);
4205 conn->le_conn_latency = le16_to_cpu(ev->latency);
4206 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4207
fcd89c09
VT		 4208 hci_conn_add_sysfs(conn);
4209
4210 hci_proto_connect_cfm(conn, ev->status);
4211
912b42ef 4212 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
223683a5 4213 if (params)
95305baa 4214 list_del_init(&params->action);
a4790dbd 4215
fcd89c09 4216unlock:
223683a5 4217 hci_update_background_scan(hdev);
fcd89c09
VT		 4218 hci_dev_unlock(hdev);
4219}
4220
1855d92d
MH		 4221static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4222 struct sk_buff *skb)
4223{
4224 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4225 struct hci_conn *conn;
4226
4227 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4228
4229 if (ev->status)
4230 return;
4231
4232 hci_dev_lock(hdev);
4233
4234 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4235 if (conn) {
4236 conn->le_conn_interval = le16_to_cpu(ev->interval);
4237 conn->le_conn_latency = le16_to_cpu(ev->latency);
4238 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4239 }
4240
4241 hci_dev_unlock(hdev);
4242}
4243
a4790dbd 4244/* This function requires the caller holds hdev->lock */
7e899c94 4245static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4246 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4247{
4248 struct hci_conn *conn;
4249
1c1abcab
JH		 4250 /* If the event is not connectable don't proceed further */
4251 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4252 return;
1c1abcab
JH		 4253
4254 /* Ignore if the device is blocked */
dcc36c16 4255 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4256 return;
1c1abcab 4257
f99353cf
JH		 4258 /* Most controller will fail if we try to create new connections
4259 * while we have an existing one in slave role.
4260 */
4261 if (hdev->conn_hash.le_num_slave > 0)
4262 return;
4263
1c1abcab
JH		 4264 /* If we're connectable, always connect any ADV_DIRECT_IND event */
4265 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
4266 adv_type == LE_ADV_DIRECT_IND)
4267 goto connect;
4268
4269 /* If we're not connectable only connect devices that we have in
4270 * our pend_le_conns list.
4271 */
501f8827 4272 if (!hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, addr_type))
7e899c94 4273 return;
a4790dbd 4274
1c1abcab 4275connect:
a4790dbd 4276 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4277 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
a4790dbd 4278 if (!IS_ERR(conn))
7e899c94 4279 return;
a4790dbd
AG		 4280
4281 switch (PTR_ERR(conn)) {
4282 case -EBUSY:
4283 /* If hci_connect() returns -EBUSY it means there is already
4284 * an LE connection attempt going on. Since controllers don't
4285 * support more than one connection attempt at the time, we
4286 * don't consider this an error case.
4287 */
4288 break;
4289 default:
4290 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4291 }
4292}
4293
4af605d8
JH		 4294static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4295 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4296{
b9a6328f 4297 struct discovery_state *d = &hdev->discovery;
1c1abcab 4298 struct smp_irk *irk;
474ee066 4299 bool match;
c70a7e4c 4300 u32 flags;
b9a6328f 4301
1c1abcab
JH		 4302 /* Check if we need to convert to identity address */
4303 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4304 if (irk) {
4305 bdaddr = &irk->bdaddr;
4306 bdaddr_type = irk->addr_type;
4307 }
4308
4309 /* Check if we have been requested to connect to this device */
4310 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4311
0d2bf134
JH		 4312 /* Passive scanning shouldn't trigger any device found events,
4313 * except for devices marked as CONN_REPORT for which we do send
4314 * device found events.
4315 */
ca5c4be7 4316 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4317 if (type == LE_ADV_DIRECT_IND)
4318 return;
4319
3a19b6fe
JH		 4320 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4321 bdaddr, bdaddr_type))
0d2bf134
JH		 4322 return;
4323
4324 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4325 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4326 else
4327 flags = 0;
4328 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4329 rssi, flags, data, len, NULL, 0);
97bf2e99 4330 return;
ca5c4be7 4331 }
4af605d8 4332
c70a7e4c
MH		 4333 /* When receiving non-connectable or scannable undirected
4334 * advertising reports, this means that the remote device is
4335 * not connectable and then clearly indicate this in the
4336 * device found event.
4337 *
4338 * When receiving a scan response, then there is no way to
4339 * know if the remote device is connectable or not. However
4340 * since scan responses are merged with a previously seen
4341 * advertising report, the flags field from that report
4342 * will be used.
4343 *
4344 * In the really unlikely case that a controller get confused
4345 * and just sends a scan response event, then it is marked as
4346 * not connectable as well.
4347 */
4348 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4349 type == LE_ADV_SCAN_RSP)
4350 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4351 else
4352 flags = 0;
4353
b9a6328f
JH		 4354 /* If there's nothing pending either store the data from this
4355 * event or send an immediate device found event if the data
4356 * should not be stored for later.
4357 */
4358 if (!has_pending_adv_report(hdev)) {
4359 /* If the report will trigger a SCAN_REQ store it for
4360 * later merging.
4361 */
4362 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4363 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4364 rssi, flags, data, len);
b9a6328f
JH		 4365 return;
4366 }
4367
4368 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4369 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4370 return;
4371 }
4372
474ee066
JH		 4373 /* Check if the pending report is for the same device as the new one */
4374 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4375 bdaddr_type == d->last_adv_addr_type);
4376
b9a6328f
JH		 4377 /* If the pending data doesn't match this report or this isn't a
4378 * scan response (e.g. we got a duplicate ADV_IND) then force
4379 * sending of the pending data.
4380 */
474ee066
JH		 4381 if (type != LE_ADV_SCAN_RSP || !match) {
4382 /* Send out whatever is in the cache, but skip duplicates */
4383 if (!match)
4384 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4385 d->last_adv_addr_type, NULL,
c70a7e4c 4386 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4387 d->last_adv_data,
474ee066 4388 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4389
4390 /* If the new report will trigger a SCAN_REQ store it for
4391 * later merging.
4392 */
4393 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4394 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4395 rssi, flags, data, len);
b9a6328f
JH		 4396 return;
4397 }
4398
4399 /* The advertising reports cannot be merged, so clear
4400 * the pending report and send out a device found event.
4401 */
4402 clear_pending_adv_report(hdev);
5c5b93e4 4403 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4404 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4405 return;
4406 }
4407
4408 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4409 * the new event is a SCAN_RSP. We can therefore proceed with
4410 * sending a merged device found event.
4411 */
4412 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4413 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4414 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4415 clear_pending_adv_report(hdev);
4af605d8
JH		 4416}
4417
6039aa73 4418static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4419{
e95beb41
AG		 4420 u8 num_reports = skb->data[0];
4421 void *ptr = &skb->data[1];
9aa04c91 4422
a4790dbd
AG		 4423 hci_dev_lock(hdev);
4424
e95beb41
AG		 4425 while (num_reports--) {
4426 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4427 s8 rssi;
a4790dbd 4428
3c9e9195 4429 rssi = ev->data[ev->length];
4af605d8
JH		 4430 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4431 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4432
e95beb41 4433 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4434 }
a4790dbd
AG		 4435
4436 hci_dev_unlock(hdev);
9aa04c91
AG		 4437}
4438
6039aa73 4439static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4440{
4441 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4442 struct hci_cp_le_ltk_reply cp;
bea710fe 4443 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4444 struct hci_conn *conn;
c9839a11 4445 struct smp_ltk *ltk;
a7a595f6 4446
9f1db00c 4447 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4448
4449 hci_dev_lock(hdev);
4450
4451 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4452 if (conn == NULL)
4453 goto not_found;
a7a595f6 4454
e804d25d 4455 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4456 if (ltk == NULL)
4457 goto not_found;
4458
4459 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4460 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4461
4462 if (ltk->authenticated)
f8776218
AG		 4463 conn->pending_sec_level = BT_SECURITY_HIGH;
4464 else
4465 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4466
89cbb4da 4467 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4468
4469 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4470
5981a882
CT		 4471 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4472 * temporary key used to encrypt a connection following
4473 * pairing. It is used during the Encrypted Session Setup to
4474 * distribute the keys. Later, security can be re-established
4475 * using a distributed LTK.
4476 */
2ceba539 4477 if (ltk->type == SMP_STK) {
fe59a05f 4478 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4479 list_del(&ltk->list);
4480 kfree(ltk);
fe59a05f
JH		 4481 } else {
4482 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4483 }
4484
a7a595f6 4485 hci_dev_unlock(hdev);
bea710fe
VCG		 4486
4487 return;
4488
4489not_found:
4490 neg.handle = ev->handle;
4491 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4492 hci_dev_unlock(hdev);
a7a595f6
VCG		 4493}
4494
8e75b46a
AG		 4495static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4496 u8 reason)
4497{
4498 struct hci_cp_le_conn_param_req_neg_reply cp;
4499
4500 cp.handle = cpu_to_le16(handle);
4501 cp.reason = reason;
4502
4503 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4504 &cp);
4505}
4506
4507static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4508 struct sk_buff *skb)
4509{
4510 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4511 struct hci_cp_le_conn_param_req_reply cp;
4512 struct hci_conn *hcon;
4513 u16 handle, min, max, latency, timeout;
4514
4515 handle = le16_to_cpu(ev->handle);
4516 min = le16_to_cpu(ev->interval_min);
4517 max = le16_to_cpu(ev->interval_max);
4518 latency = le16_to_cpu(ev->latency);
4519 timeout = le16_to_cpu(ev->timeout);
4520
4521 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4522 if (!hcon || hcon->state != BT_CONNECTED)
4523 return send_conn_param_neg_reply(hdev, handle,
4524 HCI_ERROR_UNKNOWN_CONN_ID);
4525
4526 if (hci_check_conn_params(min, max, latency, timeout))
4527 return send_conn_param_neg_reply(hdev, handle,
4528 HCI_ERROR_INVALID_LL_PARAMS);
4529
40bef302 4530 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4531 struct hci_conn_params *params;
f4869e2a 4532 u8 store_hint;
348d50b8
JH		 4533
4534 hci_dev_lock(hdev);
4535
4536 params = hci_conn_params_lookup(hdev, &hcon->dst,
4537 hcon->dst_type);
4538 if (params) {
4539 params->conn_min_interval = min;
4540 params->conn_max_interval = max;
4541 params->conn_latency = latency;
4542 params->supervision_timeout = timeout;
f4869e2a
JH		 4543 store_hint = 0x01;
4544 } else{
4545 store_hint = 0x00;
348d50b8
JH		 4546 }
4547
4548 hci_dev_unlock(hdev);
4549
f4869e2a
JH		 4550 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4551 store_hint, min, max, latency, timeout);
348d50b8 4552 }
ffb5a827 4553
8e75b46a
AG		 4554 cp.handle = ev->handle;
4555 cp.interval_min = ev->interval_min;
4556 cp.interval_max = ev->interval_max;
4557 cp.latency = ev->latency;
4558 cp.timeout = ev->timeout;
4559 cp.min_ce_len = 0;
4560 cp.max_ce_len = 0;
4561
4562 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4563}
4564
6039aa73 4565static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4566{
4567 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4568
4569 skb_pull(skb, sizeof(*le_ev));
4570
4571 switch (le_ev->subevent) {
4572 case HCI_EV_LE_CONN_COMPLETE:
4573 hci_le_conn_complete_evt(hdev, skb);
4574 break;
4575
1855d92d
MH		 4576 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4577 hci_le_conn_update_complete_evt(hdev, skb);
4578 break;
4579
9aa04c91
AG		 4580 case HCI_EV_LE_ADVERTISING_REPORT:
4581 hci_le_adv_report_evt(hdev, skb);
4582 break;
4583
a7a595f6
VCG		 4584 case HCI_EV_LE_LTK_REQ:
4585 hci_le_ltk_request_evt(hdev, skb);
4586 break;
4587
8e75b46a
AG		 4588 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4589 hci_le_remote_conn_param_req_evt(hdev, skb);
4590 break;
4591
fcd89c09
VT		 4592 default:
4593 break;
4594 }
4595}
4596
9495b2ee
AE		 4597static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4598{
4599 struct hci_ev_channel_selected *ev = (void *) skb->data;
4600 struct hci_conn *hcon;
4601
4602 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4603
4604 skb_pull(skb, sizeof(*ev));
4605
4606 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4607 if (!hcon)
4608 return;
4609
4610 amp_read_loc_assoc_final_data(hdev, hcon);
4611}
4612
a9de9248
MH		 4613void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4614{
4615 struct hci_event_hdr *hdr = (void *) skb->data;
4616 __u8 event = hdr->evt;
4617
b6ddb638
JH		 4618 hci_dev_lock(hdev);
4619
4620 /* Received events are (currently) only needed when a request is
4621 * ongoing so avoid unnecessary memory allocation.
4622 */
899de765 4623 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4624 kfree_skb(hdev->recv_evt);
4625 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4626 }
4627
4628 hci_dev_unlock(hdev);
4629
a9de9248
MH		 4630 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4631
02350a72 4632 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4633 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4634 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4635
4636 hci_req_cmd_complete(hdev, opcode, 0);
4637 }
4638
a9de9248 4639 switch (event) {
1da177e4
LT		 4640 case HCI_EV_INQUIRY_COMPLETE:
4641 hci_inquiry_complete_evt(hdev, skb);
4642 break;
4643
4644 case HCI_EV_INQUIRY_RESULT:
4645 hci_inquiry_result_evt(hdev, skb);
4646 break;
4647
a9de9248
MH		 4648 case HCI_EV_CONN_COMPLETE:
4649 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4650 break;
4651
1da177e4
LT		 4652 case HCI_EV_CONN_REQUEST:
4653 hci_conn_request_evt(hdev, skb);
4654 break;
4655
1da177e4
LT		 4656 case HCI_EV_DISCONN_COMPLETE:
4657 hci_disconn_complete_evt(hdev, skb);
4658 break;
4659
1da177e4
LT		 4660 case HCI_EV_AUTH_COMPLETE:
4661 hci_auth_complete_evt(hdev, skb);
4662 break;
4663
a9de9248
MH		 4664 case HCI_EV_REMOTE_NAME:
4665 hci_remote_name_evt(hdev, skb);
4666 break;
4667
1da177e4
LT		 4668 case HCI_EV_ENCRYPT_CHANGE:
4669 hci_encrypt_change_evt(hdev, skb);
4670 break;
4671
a9de9248
MH		 4672 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4673 hci_change_link_key_complete_evt(hdev, skb);
4674 break;
4675
4676 case HCI_EV_REMOTE_FEATURES:
4677 hci_remote_features_evt(hdev, skb);
4678 break;
4679
a9de9248
MH		 4680 case HCI_EV_CMD_COMPLETE:
4681 hci_cmd_complete_evt(hdev, skb);
4682 break;
4683
4684 case HCI_EV_CMD_STATUS:
4685 hci_cmd_status_evt(hdev, skb);
4686 break;
4687
4688 case HCI_EV_ROLE_CHANGE:
4689 hci_role_change_evt(hdev, skb);
4690 break;
4691
4692 case HCI_EV_NUM_COMP_PKTS:
4693 hci_num_comp_pkts_evt(hdev, skb);
4694 break;
4695
4696 case HCI_EV_MODE_CHANGE:
4697 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4698 break;
4699
4700 case HCI_EV_PIN_CODE_REQ:
4701 hci_pin_code_request_evt(hdev, skb);
4702 break;
4703
4704 case HCI_EV_LINK_KEY_REQ:
4705 hci_link_key_request_evt(hdev, skb);
4706 break;
4707
4708 case HCI_EV_LINK_KEY_NOTIFY:
4709 hci_link_key_notify_evt(hdev, skb);
4710 break;
4711
4712 case HCI_EV_CLOCK_OFFSET:
4713 hci_clock_offset_evt(hdev, skb);
4714 break;
4715
a8746417
MH		 4716 case HCI_EV_PKT_TYPE_CHANGE:
4717 hci_pkt_type_change_evt(hdev, skb);
4718 break;
4719
85a1e930
MH		 4720 case HCI_EV_PSCAN_REP_MODE:
4721 hci_pscan_rep_mode_evt(hdev, skb);
4722 break;
4723
a9de9248
MH		 4724 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4725 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4726 break;
4727
a9de9248
MH		 4728 case HCI_EV_REMOTE_EXT_FEATURES:
4729 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4730 break;
4731
a9de9248
MH		 4732 case HCI_EV_SYNC_CONN_COMPLETE:
4733 hci_sync_conn_complete_evt(hdev, skb);
4734 break;
1da177e4 4735
a9de9248
MH		 4736 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4737 hci_extended_inquiry_result_evt(hdev, skb);
4738 break;
1da177e4 4739
1c2e0041
JH		 4740 case HCI_EV_KEY_REFRESH_COMPLETE:
4741 hci_key_refresh_complete_evt(hdev, skb);
4742 break;
4743
0493684e
MH		 4744 case HCI_EV_IO_CAPA_REQUEST:
4745 hci_io_capa_request_evt(hdev, skb);
4746 break;
4747
03b555e1
JH		 4748 case HCI_EV_IO_CAPA_REPLY:
4749 hci_io_capa_reply_evt(hdev, skb);
4750 break;
4751
a5c29683
JH		 4752 case HCI_EV_USER_CONFIRM_REQUEST:
4753 hci_user_confirm_request_evt(hdev, skb);
4754 break;
4755
1143d458
BG		 4756 case HCI_EV_USER_PASSKEY_REQUEST:
4757 hci_user_passkey_request_evt(hdev, skb);
4758 break;
4759
92a25256
JH		 4760 case HCI_EV_USER_PASSKEY_NOTIFY:
4761 hci_user_passkey_notify_evt(hdev, skb);
4762 break;
4763
4764 case HCI_EV_KEYPRESS_NOTIFY:
4765 hci_keypress_notify_evt(hdev, skb);
4766 break;
4767
0493684e
MH		 4768 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4769 hci_simple_pair_complete_evt(hdev, skb);
4770 break;
4771
41a96212
MH		 4772 case HCI_EV_REMOTE_HOST_FEATURES:
4773 hci_remote_host_features_evt(hdev, skb);
4774 break;
4775
fcd89c09
VT		 4776 case HCI_EV_LE_META:
4777 hci_le_meta_evt(hdev, skb);
4778 break;
4779
9495b2ee
AE		 4780 case HCI_EV_CHANNEL_SELECTED:
4781 hci_chan_selected_evt(hdev, skb);
4782 break;
4783
2763eda6
SJ		 4784 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4785 hci_remote_oob_data_request_evt(hdev, skb);
4786 break;
4787
d5e91192
AE		 4788 case HCI_EV_PHY_LINK_COMPLETE:
4789 hci_phy_link_complete_evt(hdev, skb);
4790 break;
4791
27695fb4
AE		 4792 case HCI_EV_LOGICAL_LINK_COMPLETE:
4793 hci_loglink_complete_evt(hdev, skb);
4794 break;
4795
606e2a10
AE		 4796 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4797 hci_disconn_loglink_complete_evt(hdev, skb);
4798 break;
4799
9eef6b3a
AE		 4800 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4801 hci_disconn_phylink_complete_evt(hdev, skb);
4802 break;
4803
25e89e99
AE		 4804 case HCI_EV_NUM_COMP_BLOCKS:
4805 hci_num_comp_blocks_evt(hdev, skb);
4806 break;
4807
a9de9248 4808 default:
9f1db00c 4809 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4810 break;
4811 }
4812
4813 kfree_skb(skb);
4814 hdev->stat.evt_rx++;
4815}
Linux kernel - Deliverables
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