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Bluetooth: Rename pairable mgmt setting to bondable
[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 319 else
204e3990 320 clear_bit(HCI_PSCAN, &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
4b9e7e75 2262 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2263 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2264 list_del_init(&params->action);
2265 list_add(&params->action, &hdev->pend_le_conns);
2266 hci_update_background_scan(hdev);
9fcb18ef
AG		 2267 break;
2268
2269 default:
2270 break;
2271 }
2272 }
2273
3846220b 2274 type = conn->type;
2210246c 2275
3846220b
AG		 2276 hci_proto_disconn_cfm(conn, ev->reason);
2277 hci_conn_del(conn);
2278
2279 /* Re-enable advertising if necessary, since it might
2280 * have been disabled by the connection. From the
2281 * HCI_LE_Set_Advertise_Enable command description in
2282 * the core specification (v4.0):
2283 * "The Controller shall continue advertising until the Host
2284 * issues an LE_Set_Advertise_Enable command with
2285 * Advertising_Enable set to 0x00 (Advertising is disabled)
2286 * or until a connection is created or until the Advertising
2287 * is timed out due to Directed Advertising."
2288 */
2289 if (type == LE_LINK)
2290 mgmt_reenable_advertising(hdev);
f7520543
JH		 2291
2292unlock:
04837f64
MH		 2293 hci_dev_unlock(hdev);
2294}
2295
6039aa73 2296static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2297{
a9de9248 2298 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2299 struct hci_conn *conn;
1da177e4 2300
9f1db00c 2301 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2302
2303 hci_dev_lock(hdev);
2304
04837f64 2305 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2306 if (!conn)
2307 goto unlock;
2308
2309 if (!ev->status) {
aa64a8b5 2310 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2311 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2312 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2313 } else {
4dae2798 2314 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2315 conn->sec_level = conn->pending_sec_level;
2a611692 2316 }
d7556e20 2317 } else {
bab73cb6 2318 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 2319 ev->status);
d7556e20 2320 }
1da177e4 2321
51a8efd7
JH		 2322 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2323 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2324
d7556e20 2325 if (conn->state == BT_CONFIG) {
aa64a8b5 2326 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2327 struct hci_cp_set_conn_encrypt cp;
2328 cp.handle = ev->handle;
2329 cp.encrypt = 0x01;
2330 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2331 &cp);
052b30b0 2332 } else {
d7556e20
WR		 2333 conn->state = BT_CONNECTED;
2334 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2335 hci_conn_drop(conn);
052b30b0 2336 }
d7556e20
WR		 2337 } else {
2338 hci_auth_cfm(conn, ev->status);
052b30b0 2339
d7556e20
WR		 2340 hci_conn_hold(conn);
2341 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2342 hci_conn_drop(conn);
d7556e20
WR		 2343 }
2344
51a8efd7 2345 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2346 if (!ev->status) {
2347 struct hci_cp_set_conn_encrypt cp;
2348 cp.handle = ev->handle;
2349 cp.encrypt = 0x01;
2350 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2351 &cp);
d7556e20 2352 } else {
51a8efd7 2353 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2354 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2355 }
2356 }
2357
d7556e20 2358unlock:
1da177e4
LT		 2359 hci_dev_unlock(hdev);
2360}
2361
6039aa73 2362static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2363{
127178d2
JH		 2364 struct hci_ev_remote_name *ev = (void *) skb->data;
2365 struct hci_conn *conn;
2366
a9de9248 2367 BT_DBG("%s", hdev->name);
1da177e4 2368
a9de9248 2369 hci_conn_check_pending(hdev);
127178d2
JH		 2370
2371 hci_dev_lock(hdev);
2372
b644ba33 2373 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2374
b644ba33
JH		 2375 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2376 goto check_auth;
a88a9652 2377
b644ba33
JH		 2378 if (ev->status == 0)
2379 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2380 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2381 else
2382 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2383
2384check_auth:
79c6c70c
JH		 2385 if (!conn)
2386 goto unlock;
2387
2388 if (!hci_outgoing_auth_needed(hdev, conn))
2389 goto unlock;
2390
51a8efd7 2391 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2392 struct hci_cp_auth_requested cp;
977f8fce
JH		 2393
2394 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2395
127178d2
JH		 2396 cp.handle = __cpu_to_le16(conn->handle);
2397 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2398 }
2399
79c6c70c 2400unlock:
127178d2 2401 hci_dev_unlock(hdev);
a9de9248
MH		 2402}
2403
6039aa73 2404static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2405{
2406 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2407 struct hci_conn *conn;
2408
9f1db00c 2409 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2410
2411 hci_dev_lock(hdev);
2412
04837f64 2413 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2414 if (!conn)
2415 goto unlock;
1da177e4 2416
dc8357cc
MH		 2417 if (!ev->status) {
2418 if (ev->encrypt) {
2419 /* Encryption implies authentication */
4dae2798
JH		 2420 set_bit(HCI_CONN_AUTH, &conn->flags);
2421 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2422 conn->sec_level = conn->pending_sec_level;
abf76bad 2423
914a6ffe
MH		 2424 /* P-256 authentication key implies FIPS */
2425 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2426 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2427
abf76bad
MH		 2428 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2429 conn->type == LE_LINK)
2430 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2431 } else {
4dae2798 2432 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2433 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2434 }
dc8357cc 2435 }
a7d7723a 2436
dc8357cc 2437 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2438
dc8357cc
MH		 2439 if (ev->status && conn->state == BT_CONNECTED) {
2440 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2441 hci_conn_drop(conn);
2442 goto unlock;
1da177e4
LT		 2443 }
2444
dc8357cc
MH		 2445 if (conn->state == BT_CONFIG) {
2446 if (!ev->status)
2447 conn->state = BT_CONNECTED;
2448
40b552aa
MH		 2449 /* In Secure Connections Only mode, do not allow any
2450 * connections that are not encrypted with AES-CCM
2451 * using a P-256 authenticated combination key.
2452 */
2453 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2454 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2455 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2456 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2457 hci_conn_drop(conn);
2458 goto unlock;
2459 }
2460
dc8357cc
MH		 2461 hci_proto_connect_cfm(conn, ev->status);
2462 hci_conn_drop(conn);
2463 } else
2464 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2465
a7d7723a 2466unlock:
1da177e4
LT		 2467 hci_dev_unlock(hdev);
2468}
2469
6039aa73
GP		 2470static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2471 struct sk_buff *skb)
1da177e4 2472{
a9de9248 2473 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2474 struct hci_conn *conn;
1da177e4 2475
9f1db00c 2476 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2477
2478 hci_dev_lock(hdev);
2479
04837f64 2480 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2481 if (conn) {
2482 if (!ev->status)
4dae2798 2483 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2484
51a8efd7 2485 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2486
2487 hci_key_change_cfm(conn, ev->status);
2488 }
2489
2490 hci_dev_unlock(hdev);
2491}
2492
6039aa73
GP		 2493static void hci_remote_features_evt(struct hci_dev *hdev,
2494 struct sk_buff *skb)
1da177e4 2495{
a9de9248
MH		 2496 struct hci_ev_remote_features *ev = (void *) skb->data;
2497 struct hci_conn *conn;
2498
9f1db00c 2499 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2500
a9de9248
MH		 2501 hci_dev_lock(hdev);
2502
2503 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2504 if (!conn)
2505 goto unlock;
769be974 2506
ccd556fe 2507 if (!ev->status)
cad718ed 2508 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2509
2510 if (conn->state != BT_CONFIG)
2511 goto unlock;
2512
2513 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2514 struct hci_cp_read_remote_ext_features cp;
2515 cp.handle = ev->handle;
2516 cp.page = 0x01;
2517 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2518 sizeof(cp), &cp);
392599b9
JH		 2519 goto unlock;
2520 }
2521
671267bf 2522 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2523 struct hci_cp_remote_name_req cp;
2524 memset(&cp, 0, sizeof(cp));
2525 bacpy(&cp.bdaddr, &conn->dst);
2526 cp.pscan_rep_mode = 0x02;
2527 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2528 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2529 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2530 conn->dst_type, 0, NULL, 0,
2531 conn->dev_class);
392599b9 2532
127178d2 2533 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2534 conn->state = BT_CONNECTED;
2535 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2536 hci_conn_drop(conn);
769be974 2537 }
a9de9248 2538
ccd556fe 2539unlock:
a9de9248 2540 hci_dev_unlock(hdev);
1da177e4
LT		 2541}
2542
6039aa73 2543static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2544{
2545 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2546 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2547 __u16 opcode;
2548
2549 skb_pull(skb, sizeof(*ev));
2550
2551 opcode = __le16_to_cpu(ev->opcode);
2552
2553 switch (opcode) {
2554 case HCI_OP_INQUIRY_CANCEL:
2555 hci_cc_inquiry_cancel(hdev, skb);
2556 break;
2557
4d93483b
AG		 2558 case HCI_OP_PERIODIC_INQ:
2559 hci_cc_periodic_inq(hdev, skb);
2560 break;
2561
a9de9248
MH		 2562 case HCI_OP_EXIT_PERIODIC_INQ:
2563 hci_cc_exit_periodic_inq(hdev, skb);
2564 break;
2565
2566 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2567 hci_cc_remote_name_req_cancel(hdev, skb);
2568 break;
2569
2570 case HCI_OP_ROLE_DISCOVERY:
2571 hci_cc_role_discovery(hdev, skb);
2572 break;
2573
e4e8e37c
MH		 2574 case HCI_OP_READ_LINK_POLICY:
2575 hci_cc_read_link_policy(hdev, skb);
2576 break;
2577
a9de9248
MH		 2578 case HCI_OP_WRITE_LINK_POLICY:
2579 hci_cc_write_link_policy(hdev, skb);
2580 break;
2581
e4e8e37c
MH		 2582 case HCI_OP_READ_DEF_LINK_POLICY:
2583 hci_cc_read_def_link_policy(hdev, skb);
2584 break;
2585
2586 case HCI_OP_WRITE_DEF_LINK_POLICY:
2587 hci_cc_write_def_link_policy(hdev, skb);
2588 break;
2589
a9de9248
MH		 2590 case HCI_OP_RESET:
2591 hci_cc_reset(hdev, skb);
2592 break;
2593
2594 case HCI_OP_WRITE_LOCAL_NAME:
2595 hci_cc_write_local_name(hdev, skb);
2596 break;
2597
2598 case HCI_OP_READ_LOCAL_NAME:
2599 hci_cc_read_local_name(hdev, skb);
2600 break;
2601
2602 case HCI_OP_WRITE_AUTH_ENABLE:
2603 hci_cc_write_auth_enable(hdev, skb);
2604 break;
2605
2606 case HCI_OP_WRITE_ENCRYPT_MODE:
2607 hci_cc_write_encrypt_mode(hdev, skb);
2608 break;
2609
2610 case HCI_OP_WRITE_SCAN_ENABLE:
2611 hci_cc_write_scan_enable(hdev, skb);
2612 break;
2613
2614 case HCI_OP_READ_CLASS_OF_DEV:
2615 hci_cc_read_class_of_dev(hdev, skb);
2616 break;
2617
2618 case HCI_OP_WRITE_CLASS_OF_DEV:
2619 hci_cc_write_class_of_dev(hdev, skb);
2620 break;
2621
2622 case HCI_OP_READ_VOICE_SETTING:
2623 hci_cc_read_voice_setting(hdev, skb);
2624 break;
2625
2626 case HCI_OP_WRITE_VOICE_SETTING:
2627 hci_cc_write_voice_setting(hdev, skb);
2628 break;
2629
b4cb9fb2
MH		 2630 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2631 hci_cc_read_num_supported_iac(hdev, skb);
2632 break;
2633
333140b5
MH		 2634 case HCI_OP_WRITE_SSP_MODE:
2635 hci_cc_write_ssp_mode(hdev, skb);
2636 break;
2637
eac83dc6
MH		 2638 case HCI_OP_WRITE_SC_SUPPORT:
2639 hci_cc_write_sc_support(hdev, skb);
2640 break;
2641
a9de9248
MH		 2642 case HCI_OP_READ_LOCAL_VERSION:
2643 hci_cc_read_local_version(hdev, skb);
2644 break;
2645
2646 case HCI_OP_READ_LOCAL_COMMANDS:
2647 hci_cc_read_local_commands(hdev, skb);
2648 break;
2649
2650 case HCI_OP_READ_LOCAL_FEATURES:
2651 hci_cc_read_local_features(hdev, skb);
2652 break;
2653
971e3a4b
AG		 2654 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2655 hci_cc_read_local_ext_features(hdev, skb);
2656 break;
2657
a9de9248
MH		 2658 case HCI_OP_READ_BUFFER_SIZE:
2659 hci_cc_read_buffer_size(hdev, skb);
2660 break;
2661
2662 case HCI_OP_READ_BD_ADDR:
2663 hci_cc_read_bd_addr(hdev, skb);
2664 break;
2665
f332ec66
JH		 2666 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2667 hci_cc_read_page_scan_activity(hdev, skb);
2668 break;
2669
4a3ee763
JH		 2670 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2671 hci_cc_write_page_scan_activity(hdev, skb);
2672 break;
2673
f332ec66
JH		 2674 case HCI_OP_READ_PAGE_SCAN_TYPE:
2675 hci_cc_read_page_scan_type(hdev, skb);
2676 break;
2677
4a3ee763
JH		 2678 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2679 hci_cc_write_page_scan_type(hdev, skb);
2680 break;
2681
350ee4cf
AE		 2682 case HCI_OP_READ_DATA_BLOCK_SIZE:
2683 hci_cc_read_data_block_size(hdev, skb);
2684 break;
2685
1e89cffb
AE		 2686 case HCI_OP_READ_FLOW_CONTROL_MODE:
2687 hci_cc_read_flow_control_mode(hdev, skb);
2688 break;
2689
928abaa7
AE		 2690 case HCI_OP_READ_LOCAL_AMP_INFO:
2691 hci_cc_read_local_amp_info(hdev, skb);
2692 break;
2693
33f35721
JH		 2694 case HCI_OP_READ_CLOCK:
2695 hci_cc_read_clock(hdev, skb);
2696 break;
2697
903e4541
AE		 2698 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2699 hci_cc_read_local_amp_assoc(hdev, skb);
2700 break;
2701
d5859e22
JH		 2702 case HCI_OP_READ_INQ_RSP_TX_POWER:
2703 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2704 break;
2705
980e1a53
JH		 2706 case HCI_OP_PIN_CODE_REPLY:
2707 hci_cc_pin_code_reply(hdev, skb);
2708 break;
2709
2710 case HCI_OP_PIN_CODE_NEG_REPLY:
2711 hci_cc_pin_code_neg_reply(hdev, skb);
2712 break;
2713
c35938b2 2714 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2715 hci_cc_read_local_oob_data(hdev, skb);
2716 break;
2717
2718 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2719 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2720 break;
2721
6ed58ec5
VT		 2722 case HCI_OP_LE_READ_BUFFER_SIZE:
2723 hci_cc_le_read_buffer_size(hdev, skb);
2724 break;
2725
60e77321
JH		 2726 case HCI_OP_LE_READ_LOCAL_FEATURES:
2727 hci_cc_le_read_local_features(hdev, skb);
2728 break;
2729
8fa19098
JH		 2730 case HCI_OP_LE_READ_ADV_TX_POWER:
2731 hci_cc_le_read_adv_tx_power(hdev, skb);
2732 break;
2733
a5c29683
JH		 2734 case HCI_OP_USER_CONFIRM_REPLY:
2735 hci_cc_user_confirm_reply(hdev, skb);
2736 break;
2737
2738 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2739 hci_cc_user_confirm_neg_reply(hdev, skb);
2740 break;
2741
1143d458
BG		 2742 case HCI_OP_USER_PASSKEY_REPLY:
2743 hci_cc_user_passkey_reply(hdev, skb);
2744 break;
2745
2746 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2747 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2748 break;
07f7fa5d 2749
7a4cd51d
MH		 2750 case HCI_OP_LE_SET_RANDOM_ADDR:
2751 hci_cc_le_set_random_addr(hdev, skb);
2752 break;
2753
c1d5dc4a
JH		 2754 case HCI_OP_LE_SET_ADV_ENABLE:
2755 hci_cc_le_set_adv_enable(hdev, skb);
2756 break;
2757
533553f8
MH		 2758 case HCI_OP_LE_SET_SCAN_PARAM:
2759 hci_cc_le_set_scan_param(hdev, skb);
2760 break;
2761
eb9d91f5
AG		 2762 case HCI_OP_LE_SET_SCAN_ENABLE:
2763 hci_cc_le_set_scan_enable(hdev, skb);
2764 break;
2765
cf1d081f
JH		 2766 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2767 hci_cc_le_read_white_list_size(hdev, skb);
2768 break;
2769
0f36b589
MH		 2770 case HCI_OP_LE_CLEAR_WHITE_LIST:
2771 hci_cc_le_clear_white_list(hdev, skb);
2772 break;
2773
2774 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2775 hci_cc_le_add_to_white_list(hdev, skb);
2776 break;
2777
2778 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2779 hci_cc_le_del_from_white_list(hdev, skb);
2780 break;
2781
9b008c04
JH		 2782 case HCI_OP_LE_READ_SUPPORTED_STATES:
2783 hci_cc_le_read_supported_states(hdev, skb);
2784 break;
2785
f9b49306
AG		 2786 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2787 hci_cc_write_le_host_supported(hdev, skb);
2788 break;
2789
56ed2cb8
JH		 2790 case HCI_OP_LE_SET_ADV_PARAM:
2791 hci_cc_set_adv_param(hdev, skb);
2792 break;
2793
93c284ee
AE		 2794 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2795 hci_cc_write_remote_amp_assoc(hdev, skb);
2796 break;
2797
5ae76a94
AK		 2798 case HCI_OP_READ_RSSI:
2799 hci_cc_read_rssi(hdev, skb);
2800 break;
2801
5a134fae
AK		 2802 case HCI_OP_READ_TX_POWER:
2803 hci_cc_read_tx_power(hdev, skb);
2804 break;
2805
a9de9248 2806 default:
9f1db00c 2807 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2808 break;
2809 }
2810
ad82cdd1 2811 if (opcode != HCI_OP_NOP)
65cc2b49 2812 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2813
ad82cdd1 2814 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2815
dbccd791 2816 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2817 atomic_set(&hdev->cmd_cnt, 1);
2818 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2819 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2820 }
2821}
2822
6039aa73 2823static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2824{
2825 struct hci_ev_cmd_status *ev = (void *) skb->data;
2826 __u16 opcode;
2827
2828 skb_pull(skb, sizeof(*ev));
2829
2830 opcode = __le16_to_cpu(ev->opcode);
2831
2832 switch (opcode) {
2833 case HCI_OP_INQUIRY:
2834 hci_cs_inquiry(hdev, ev->status);
2835 break;
2836
2837 case HCI_OP_CREATE_CONN:
2838 hci_cs_create_conn(hdev, ev->status);
2839 break;
2840
2841 case HCI_OP_ADD_SCO:
2842 hci_cs_add_sco(hdev, ev->status);
2843 break;
2844
f8558555
MH		 2845 case HCI_OP_AUTH_REQUESTED:
2846 hci_cs_auth_requested(hdev, ev->status);
2847 break;
2848
2849 case HCI_OP_SET_CONN_ENCRYPT:
2850 hci_cs_set_conn_encrypt(hdev, ev->status);
2851 break;
2852
a9de9248
MH		 2853 case HCI_OP_REMOTE_NAME_REQ:
2854 hci_cs_remote_name_req(hdev, ev->status);
2855 break;
2856
769be974
MH		 2857 case HCI_OP_READ_REMOTE_FEATURES:
2858 hci_cs_read_remote_features(hdev, ev->status);
2859 break;
2860
2861 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2862 hci_cs_read_remote_ext_features(hdev, ev->status);
2863 break;
2864
a9de9248
MH		 2865 case HCI_OP_SETUP_SYNC_CONN:
2866 hci_cs_setup_sync_conn(hdev, ev->status);
2867 break;
2868
2869 case HCI_OP_SNIFF_MODE:
2870 hci_cs_sniff_mode(hdev, ev->status);
2871 break;
2872
2873 case HCI_OP_EXIT_SNIFF_MODE:
2874 hci_cs_exit_sniff_mode(hdev, ev->status);
2875 break;
2876
8962ee74 2877 case HCI_OP_DISCONNECT:
88c3df13 2878 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2879 break;
2880
a02226d6
AE		 2881 case HCI_OP_CREATE_PHY_LINK:
2882 hci_cs_create_phylink(hdev, ev->status);
2883 break;
2884
0b26ab9d
AE		 2885 case HCI_OP_ACCEPT_PHY_LINK:
2886 hci_cs_accept_phylink(hdev, ev->status);
2887 break;
2888
cb1d68f7
JH		 2889 case HCI_OP_LE_CREATE_CONN:
2890 hci_cs_le_create_conn(hdev, ev->status);
2891 break;
2892
81d0c8ad
JH		 2893 case HCI_OP_LE_START_ENC:
2894 hci_cs_le_start_enc(hdev, ev->status);
2895 break;
2896
a9de9248 2897 default:
9f1db00c 2898 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2899 break;
2900 }
2901
ad82cdd1 2902 if (opcode != HCI_OP_NOP)
65cc2b49 2903 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2904
02350a72
JH		 2905 if (ev->status ||
2906 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2907 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2908
10572132 2909 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2910 atomic_set(&hdev->cmd_cnt, 1);
2911 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2912 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2913 }
2914}
2915
6039aa73 2916static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2917{
2918 struct hci_ev_role_change *ev = (void *) skb->data;
2919 struct hci_conn *conn;
2920
9f1db00c 2921 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2922
2923 hci_dev_lock(hdev);
2924
2925 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2926 if (conn) {
40bef302
JH		 2927 if (!ev->status)
2928 conn->role = ev->role;
a9de9248 2929
51a8efd7 2930 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2931
2932 hci_role_switch_cfm(conn, ev->status, ev->role);
2933 }
2934
2935 hci_dev_unlock(hdev);
2936}
2937
6039aa73 2938static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2939{
2940 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2941 int i;
2942
32ac5b9b
AE		 2943 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2944 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2945 return;
2946 }
2947
c5993de8 2948 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2949 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2950 BT_DBG("%s bad parameters", hdev->name);
2951 return;
2952 }
2953
c5993de8
AE		 2954 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2955
613a1c0c
AE		 2956 for (i = 0; i < ev->num_hndl; i++) {
2957 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2958 struct hci_conn *conn;
2959 __u16 handle, count;
2960
613a1c0c
AE		 2961 handle = __le16_to_cpu(info->handle);
2962 count = __le16_to_cpu(info->count);
a9de9248
MH		 2963
2964 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2965 if (!conn)
2966 continue;
2967
2968 conn->sent -= count;
2969
2970 switch (conn->type) {
2971 case ACL_LINK:
2972 hdev->acl_cnt += count;
2973 if (hdev->acl_cnt > hdev->acl_pkts)
2974 hdev->acl_cnt = hdev->acl_pkts;
2975 break;
2976
2977 case LE_LINK:
2978 if (hdev->le_pkts) {
2979 hdev->le_cnt += count;
2980 if (hdev->le_cnt > hdev->le_pkts)
2981 hdev->le_cnt = hdev->le_pkts;
2982 } else {
70f23020
AE		 2983 hdev->acl_cnt += count;
2984 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2985 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2986 }
f4280918
AE		 2987 break;
2988
2989 case SCO_LINK:
2990 hdev->sco_cnt += count;
2991 if (hdev->sco_cnt > hdev->sco_pkts)
2992 hdev->sco_cnt = hdev->sco_pkts;
2993 break;
2994
2995 default:
2996 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2997 break;
a9de9248
MH		 2998 }
2999 }
3000
3eff45ea 3001 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3002}
3003
76ef7cf7
AE		 3004static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3005 __u16 handle)
3006{
3007 struct hci_chan *chan;
3008
3009 switch (hdev->dev_type) {
3010 case HCI_BREDR:
3011 return hci_conn_hash_lookup_handle(hdev, handle);
3012 case HCI_AMP:
3013 chan = hci_chan_lookup_handle(hdev, handle);
3014 if (chan)
3015 return chan->conn;
3016 break;
3017 default:
3018 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3019 break;
3020 }
3021
3022 return NULL;
3023}
3024
6039aa73 3025static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3026{
3027 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3028 int i;
3029
3030 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3031 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3032 return;
3033 }
3034
3035 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3036 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3037 BT_DBG("%s bad parameters", hdev->name);
3038 return;
3039 }
3040
3041 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3042 ev->num_hndl);
25e89e99
AE		 3043
3044 for (i = 0; i < ev->num_hndl; i++) {
3045 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3046 struct hci_conn *conn = NULL;
25e89e99
AE		 3047 __u16 handle, block_count;
3048
3049 handle = __le16_to_cpu(info->handle);
3050 block_count = __le16_to_cpu(info->blocks);
3051
76ef7cf7 3052 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3053 if (!conn)
3054 continue;
3055
3056 conn->sent -= block_count;
3057
3058 switch (conn->type) {
3059 case ACL_LINK:
bd1eb66b 3060 case AMP_LINK:
25e89e99
AE		 3061 hdev->block_cnt += block_count;
3062 if (hdev->block_cnt > hdev->num_blocks)
3063 hdev->block_cnt = hdev->num_blocks;
3064 break;
3065
3066 default:
3067 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3068 break;
3069 }
3070 }
3071
3072 queue_work(hdev->workqueue, &hdev->tx_work);
3073}
3074
6039aa73 3075static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3076{
a9de9248 3077 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3078 struct hci_conn *conn;
3079
9f1db00c 3080 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3081
3082 hci_dev_lock(hdev);
3083
3084 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3085 if (conn) {
3086 conn->mode = ev->mode;
a9de9248 3087
8fc9ced3
GP		 3088 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3089 &conn->flags)) {
a9de9248 3090 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3091 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3092 else
58a681ef 3093 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3094 }
e73439d8 3095
51a8efd7 3096 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3097 hci_sco_setup(conn, ev->status);
04837f64
MH		 3098 }
3099
3100 hci_dev_unlock(hdev);
3101}
3102
6039aa73 3103static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3104{
052b30b0
MH		 3105 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3106 struct hci_conn *conn;
3107
a9de9248 3108 BT_DBG("%s", hdev->name);
052b30b0
MH		 3109
3110 hci_dev_lock(hdev);
3111
3112 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3113 if (!conn)
3114 goto unlock;
3115
3116 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3117 hci_conn_hold(conn);
3118 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3119 hci_conn_drop(conn);
052b30b0
MH		 3120 }
3121
b6ae8457 3122 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3123 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3124 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3125 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3126 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3127 u8 secure;
3128
3129 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3130 secure = 1;
3131 else
3132 secure = 0;
3133
744cf19e 3134 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3135 }
980e1a53 3136
b6f98044 3137unlock:
052b30b0 3138 hci_dev_unlock(hdev);
a9de9248
MH		 3139}
3140
6039aa73 3141static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3142{
55ed8ca1
JH		 3143 struct hci_ev_link_key_req *ev = (void *) skb->data;
3144 struct hci_cp_link_key_reply cp;
3145 struct hci_conn *conn;
3146 struct link_key *key;
3147
a9de9248 3148 BT_DBG("%s", hdev->name);
55ed8ca1 3149
034cbea0 3150 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3151 return;
3152
3153 hci_dev_lock(hdev);
3154
3155 key = hci_find_link_key(hdev, &ev->bdaddr);
3156 if (!key) {
6ed93dc6
AE		 3157 BT_DBG("%s link key not found for %pMR", hdev->name,
3158 &ev->bdaddr);
55ed8ca1
JH		 3159 goto not_found;
3160 }
3161
6ed93dc6
AE		 3162 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3163 &ev->bdaddr);
55ed8ca1 3164
55ed8ca1 3165 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3166 if (conn) {
66138ce8
MH		 3167 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3168 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3169 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3170 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3171 goto not_found;
3172 }
55ed8ca1 3173
60b83f57 3174 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3175 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3176 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3177 BT_DBG("%s ignoring key unauthenticated for high security",
3178 hdev->name);
60b83f57
WR		 3179 goto not_found;
3180 }
3181
3182 conn->key_type = key->type;
3183 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3184 }
3185
3186 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3187 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3188
3189 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3190
3191 hci_dev_unlock(hdev);
3192
3193 return;
3194
3195not_found:
3196 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3197 hci_dev_unlock(hdev);
a9de9248
MH		 3198}
3199
6039aa73 3200static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3201{
052b30b0
MH		 3202 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3203 struct hci_conn *conn;
7652ff6a
JH		 3204 struct link_key *key;
3205 bool persistent;
55ed8ca1 3206 u8 pin_len = 0;
052b30b0 3207
a9de9248 3208 BT_DBG("%s", hdev->name);
052b30b0
MH		 3209
3210 hci_dev_lock(hdev);
3211
3212 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3213 if (conn) {
3214 hci_conn_hold(conn);
3215 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3216 pin_len = conn->pin_length;
13d39315
WR		 3217
3218 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3219 conn->key_type = ev->key_type;
3220
76a68ba0 3221 hci_conn_drop(conn);
052b30b0
MH		 3222 }
3223
7652ff6a
JH		 3224 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3225 goto unlock;
3226
3227 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3228 ev->key_type, pin_len, &persistent);
3229 if (!key)
3230 goto unlock;
3231
3232 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3233
6d5650c4
JH		 3234 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3235 * is set. If it's not set simply remove the key from the kernel
3236 * list (we've still notified user space about it but with
3237 * store_hint being 0).
3238 */
3239 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3240 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3241 list_del(&key->list);
3242 kfree(key);
3243 } else if (conn) {
af6a9c32
JH		 3244 if (persistent)
3245 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3246 else
3247 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3248 }
7652ff6a
JH		 3249
3250unlock:
052b30b0 3251 hci_dev_unlock(hdev);
a9de9248
MH		 3252}
3253
6039aa73 3254static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3255{
a9de9248 3256 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3257 struct hci_conn *conn;
1da177e4 3258
9f1db00c 3259 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3260
3261 hci_dev_lock(hdev);
3262
04837f64 3263 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3264 if (conn && !ev->status) {
3265 struct inquiry_entry *ie;
3266
cc11b9c1
AE		 3267 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3268 if (ie) {
1da177e4
LT		 3269 ie->data.clock_offset = ev->clock_offset;
3270 ie->timestamp = jiffies;
3271 }
3272 }
3273
3274 hci_dev_unlock(hdev);
3275}
3276
6039aa73 3277static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3278{
3279 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3280 struct hci_conn *conn;
3281
9f1db00c 3282 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3283
3284 hci_dev_lock(hdev);
3285
3286 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3287 if (conn && !ev->status)
3288 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3289
3290 hci_dev_unlock(hdev);
3291}
3292
6039aa73 3293static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3294{
a9de9248 3295 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3296 struct inquiry_entry *ie;
3297
3298 BT_DBG("%s", hdev->name);
3299
3300 hci_dev_lock(hdev);
3301
cc11b9c1
AE		 3302 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3303 if (ie) {
85a1e930
MH		 3304 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3305 ie->timestamp = jiffies;
3306 }
3307
3308 hci_dev_unlock(hdev);
3309}
3310
6039aa73
GP		 3311static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3312 struct sk_buff *skb)
a9de9248
MH		 3313{
3314 struct inquiry_data data;
3315 int num_rsp = *((__u8 *) skb->data);
3316
3317 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3318
3319 if (!num_rsp)
3320 return;
3321
1519cc17
AG		 3322 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3323 return;
3324
a9de9248
MH		 3325 hci_dev_lock(hdev);
3326
3327 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3328 struct inquiry_info_with_rssi_and_pscan_mode *info;
3329 info = (void *) (skb->data + 1);
a9de9248 3330
e17acd40 3331 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3332 u32 flags;
3333
a9de9248
MH		 3334 bacpy(&data.bdaddr, &info->bdaddr);
3335 data.pscan_rep_mode = info->pscan_rep_mode;
3336 data.pscan_period_mode = info->pscan_period_mode;
3337 data.pscan_mode = info->pscan_mode;
3338 memcpy(data.dev_class, info->dev_class, 3);
3339 data.clock_offset = info->clock_offset;
3340 data.rssi = info->rssi;
41a96212 3341 data.ssp_mode = 0x00;
3175405b 3342
af58925c
MH		 3343 flags = hci_inquiry_cache_update(hdev, &data, false);
3344
48264f06 3345 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3346 info->dev_class, info->rssi,
af58925c 3347 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3348 }
3349 } else {
3350 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3351
e17acd40 3352 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3353 u32 flags;
3354
a9de9248
MH		 3355 bacpy(&data.bdaddr, &info->bdaddr);
3356 data.pscan_rep_mode = info->pscan_rep_mode;
3357 data.pscan_period_mode = info->pscan_period_mode;
3358 data.pscan_mode = 0x00;
3359 memcpy(data.dev_class, info->dev_class, 3);
3360 data.clock_offset = info->clock_offset;
3361 data.rssi = info->rssi;
41a96212 3362 data.ssp_mode = 0x00;
af58925c
MH		 3363
3364 flags = hci_inquiry_cache_update(hdev, &data, false);
3365
48264f06 3366 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3367 info->dev_class, info->rssi,
af58925c 3368 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3369 }
3370 }
3371
3372 hci_dev_unlock(hdev);
3373}
3374
6039aa73
GP		 3375static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3376 struct sk_buff *skb)
a9de9248 3377{
41a96212
MH		 3378 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3379 struct hci_conn *conn;
3380
a9de9248 3381 BT_DBG("%s", hdev->name);
41a96212 3382
41a96212
MH		 3383 hci_dev_lock(hdev);
3384
3385 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3386 if (!conn)
3387 goto unlock;
41a96212 3388
cad718ed
JH		 3389 if (ev->page < HCI_MAX_PAGES)
3390 memcpy(conn->features[ev->page], ev->features, 8);
3391
ccd556fe
JH		 3392 if (!ev->status && ev->page == 0x01) {
3393 struct inquiry_entry *ie;
41a96212 3394
cc11b9c1
AE		 3395 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3396 if (ie)
02b7cc62 3397 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3398
bbb0eada 3399 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3400 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3401 } else {
3402 /* It is mandatory by the Bluetooth specification that
3403 * Extended Inquiry Results are only used when Secure
3404 * Simple Pairing is enabled, but some devices violate
3405 * this.
3406 *
3407 * To make these devices work, the internal SSP
3408 * enabled flag needs to be cleared if the remote host
3409 * features do not indicate SSP support */
3410 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3411 }
eb9a8f3f
MH		 3412
3413 if (ev->features[0] & LMP_HOST_SC)
3414 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3415 }
3416
3417 if (conn->state != BT_CONFIG)
3418 goto unlock;
3419
671267bf 3420 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3421 struct hci_cp_remote_name_req cp;
3422 memset(&cp, 0, sizeof(cp));
3423 bacpy(&cp.bdaddr, &conn->dst);
3424 cp.pscan_rep_mode = 0x02;
3425 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3426 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3427 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3428 conn->dst_type, 0, NULL, 0,
3429 conn->dev_class);
392599b9 3430
127178d2 3431 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3432 conn->state = BT_CONNECTED;
3433 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3434 hci_conn_drop(conn);
41a96212
MH		 3435 }
3436
ccd556fe 3437unlock:
41a96212 3438 hci_dev_unlock(hdev);
a9de9248
MH		 3439}
3440
6039aa73
GP		 3441static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3442 struct sk_buff *skb)
a9de9248 3443{
b6a0dc82
MH		 3444 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3445 struct hci_conn *conn;
3446
9f1db00c 3447 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3448
3449 hci_dev_lock(hdev);
3450
3451 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3452 if (!conn) {
3453 if (ev->link_type == ESCO_LINK)
3454 goto unlock;
3455
3456 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3457 if (!conn)
3458 goto unlock;
3459
3460 conn->type = SCO_LINK;
3461 }
b6a0dc82 3462
732547f9
MH		 3463 switch (ev->status) {
3464 case 0x00:
b6a0dc82
MH		 3465 conn->handle = __le16_to_cpu(ev->handle);
3466 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3467
3468 hci_conn_add_sysfs(conn);
732547f9
MH		 3469 break;
3470
81218d20 3471 case 0x10: /* Connection Accept Timeout */
1a4c958c 3472 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3473 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3474 case 0x1c: /* SCO interval rejected */
1038a00b 3475 case 0x1a: /* Unsupported Remote Feature */
732547f9 3476 case 0x1f: /* Unspecified error */
27539bc4 3477 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3478 if (conn->out) {
732547f9
MH		 3479 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3480 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3481 if (hci_setup_sync(conn, conn->link->handle))
3482 goto unlock;
732547f9
MH		 3483 }
3484 /* fall through */
3485
3486 default:
b6a0dc82 3487 conn->state = BT_CLOSED;
732547f9
MH		 3488 break;
3489 }
b6a0dc82
MH		 3490
3491 hci_proto_connect_cfm(conn, ev->status);
3492 if (ev->status)
3493 hci_conn_del(conn);
3494
3495unlock:
3496 hci_dev_unlock(hdev);
a9de9248
MH		 3497}
3498
efdcf8e3
MH		 3499static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3500{
3501 size_t parsed = 0;
3502
3503 while (parsed < eir_len) {
3504 u8 field_len = eir[0];
3505
3506 if (field_len == 0)
3507 return parsed;
3508
3509 parsed += field_len + 1;
3510 eir += field_len + 1;
3511 }
3512
3513 return eir_len;
3514}
3515
6039aa73
GP		 3516static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3517 struct sk_buff *skb)
1da177e4 3518{
a9de9248
MH		 3519 struct inquiry_data data;
3520 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3521 int num_rsp = *((__u8 *) skb->data);
9d939d94 3522 size_t eir_len;
1da177e4 3523
a9de9248 3524 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3525
a9de9248
MH		 3526 if (!num_rsp)
3527 return;
1da177e4 3528
1519cc17
AG		 3529 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3530 return;
3531
a9de9248
MH		 3532 hci_dev_lock(hdev);
3533
e17acd40 3534 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3535 u32 flags;
3536 bool name_known;
561aafbc 3537
a9de9248 3538 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3539 data.pscan_rep_mode = info->pscan_rep_mode;
3540 data.pscan_period_mode = info->pscan_period_mode;
3541 data.pscan_mode = 0x00;
a9de9248 3542 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3543 data.clock_offset = info->clock_offset;
3544 data.rssi = info->rssi;
41a96212 3545 data.ssp_mode = 0x01;
561aafbc 3546
a8b2d5c2 3547 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3548 name_known = eir_has_data_type(info->data,
04124681
GP		 3549 sizeof(info->data),
3550 EIR_NAME_COMPLETE);
561aafbc
JH		 3551 else
3552 name_known = true;
3553
af58925c
MH		 3554 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3555
9d939d94 3556 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3557
48264f06 3558 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3559 info->dev_class, info->rssi,
3560 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3561 }
3562
3563 hci_dev_unlock(hdev);
3564}
1da177e4 3565
1c2e0041
JH		 3566static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3567 struct sk_buff *skb)
3568{
3569 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3570 struct hci_conn *conn;
3571
9f1db00c 3572 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3573 __le16_to_cpu(ev->handle));
3574
3575 hci_dev_lock(hdev);
3576
3577 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3578 if (!conn)
3579 goto unlock;
3580
9eb1fbfa
JH		 3581 /* For BR/EDR the necessary steps are taken through the
3582 * auth_complete event.
3583 */
3584 if (conn->type != LE_LINK)
3585 goto unlock;
3586
1c2e0041
JH		 3587 if (!ev->status)
3588 conn->sec_level = conn->pending_sec_level;
3589
3590 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3591
3592 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3593 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3594 hci_conn_drop(conn);
1c2e0041
JH		 3595 goto unlock;
3596 }
3597
3598 if (conn->state == BT_CONFIG) {
3599 if (!ev->status)
3600 conn->state = BT_CONNECTED;
3601
3602 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3603 hci_conn_drop(conn);
1c2e0041
JH		 3604 } else {
3605 hci_auth_cfm(conn, ev->status);
3606
3607 hci_conn_hold(conn);
3608 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3609 hci_conn_drop(conn);
1c2e0041
JH		 3610 }
3611
3612unlock:
3613 hci_dev_unlock(hdev);
3614}
3615
6039aa73 3616static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3617{
17fa4b9d 3618 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3619 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3620 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3621 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3622
b7f94c88
MA		 3623 /* If both remote and local have enough IO capabilities, require
3624 * MITM protection
3625 */
3626 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3627 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3628 return conn->remote_auth | 0x01;
3629
7e74170a
TM		 3630 /* No MITM protection possible so ignore remote requirement */
3631 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3632}
3633
6039aa73 3634static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3635{
3636 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3637 struct hci_conn *conn;
3638
3639 BT_DBG("%s", hdev->name);
3640
3641 hci_dev_lock(hdev);
3642
3643 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3644 if (!conn)
3645 goto unlock;
3646
3647 hci_conn_hold(conn);
3648
a8b2d5c2 3649 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3650 goto unlock;
3651
2f407f0a
JH		 3652 /* Allow pairing if we're pairable, the initiators of the
3653 * pairing or if the remote is not requesting bonding.
3654 */
b6ae8457 3655 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3656 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3657 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3658 struct hci_cp_io_capability_reply cp;
3659
3660 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3661 /* Change the IO capability from KeyboardDisplay
3662 * to DisplayYesNo as it is not supported by BT spec. */
3663 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3664 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3665
3666 /* If we are initiators, there is no remote information yet */
3667 if (conn->remote_auth == 0xff) {
b16c6604 3668 /* Request MITM protection if our IO caps allow it
4ad51a75 3669 * except for the no-bonding case.
b16c6604 3670 */
6fd6b915 3671 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3672 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a
JH		 3673 conn->auth_type |= 0x01;
3674
3675 cp.authentication = conn->auth_type;
b7f94c88
MA		 3676 } else {
3677 conn->auth_type = hci_get_auth_req(conn);
3678 cp.authentication = conn->auth_type;
3679 }
17fa4b9d 3680
8fc9ced3
GP		 3681 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3682 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3683 cp.oob_data = 0x01;
3684 else
3685 cp.oob_data = 0x00;
3686
17fa4b9d 3687 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3688 sizeof(cp), &cp);
03b555e1
JH		 3689 } else {
3690 struct hci_cp_io_capability_neg_reply cp;
3691
3692 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3693 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3694
03b555e1 3695 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3696 sizeof(cp), &cp);
03b555e1
JH		 3697 }
3698
3699unlock:
3700 hci_dev_unlock(hdev);
3701}
3702
6039aa73 3703static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3704{
3705 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3706 struct hci_conn *conn;
3707
3708 BT_DBG("%s", hdev->name);
3709
3710 hci_dev_lock(hdev);
3711
3712 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3713 if (!conn)
3714 goto unlock;
3715
03b555e1 3716 conn->remote_cap = ev->capability;
03b555e1 3717 conn->remote_auth = ev->authentication;
58a681ef
JH		 3718 if (ev->oob_data)
3719 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3720
3721unlock:
0493684e
MH		 3722 hci_dev_unlock(hdev);
3723}
3724
6039aa73
GP		 3725static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3726 struct sk_buff *skb)
a5c29683
JH		 3727{
3728 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3729 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3730 struct hci_conn *conn;
a5c29683
JH		 3731
3732 BT_DBG("%s", hdev->name);
3733
3734 hci_dev_lock(hdev);
3735
a8b2d5c2 3736 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3737 goto unlock;
a5c29683 3738
7a828908
JH		 3739 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3740 if (!conn)
3741 goto unlock;
3742
3743 loc_mitm = (conn->auth_type & 0x01);
3744 rem_mitm = (conn->remote_auth & 0x01);
3745
3746 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3747 * (it has NoInputNoOutput) then reject the confirmation
3748 * request. We check the security level here since it doesn't
3749 * necessarily match conn->auth_type.
6fd6b915 3750 */
6c53823a
JH		 3751 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3752 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3753 BT_DBG("Rejecting request: remote device can't provide MITM");
3754 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3755 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3756 goto unlock;
3757 }
3758
3759 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3760 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3761 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3762
3763 /* If we're not the initiators request authorization to
3764 * proceed from user space (mgmt_user_confirm with
ba15a58b 3765 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3766 * side had MITM or if the local IO capability is
3767 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3768 */
3769 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3770 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3771 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3772 BT_DBG("Confirming auto-accept as acceptor");
3773 confirm_hint = 1;
3774 goto confirm;
3775 }
3776
9f61656a 3777 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3778 hdev->auto_accept_delay);
9f61656a
JH		 3779
3780 if (hdev->auto_accept_delay > 0) {
3781 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3782 queue_delayed_work(conn->hdev->workqueue,
3783 &conn->auto_accept_work, delay);
9f61656a
JH		 3784 goto unlock;
3785 }
3786
7a828908 3787 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3788 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3789 goto unlock;
3790 }
3791
55bc1a37 3792confirm:
39adbffe
JH		 3793 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3794 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3795
3796unlock:
a5c29683
JH		 3797 hci_dev_unlock(hdev);
3798}
3799
6039aa73
GP		 3800static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3801 struct sk_buff *skb)
1143d458
BG		 3802{
3803 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3804
3805 BT_DBG("%s", hdev->name);
3806
a8b2d5c2 3807 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3808 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3809}
3810
92a25256
JH		 3811static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3812 struct sk_buff *skb)
3813{
3814 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3815 struct hci_conn *conn;
3816
3817 BT_DBG("%s", hdev->name);
3818
3819 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3820 if (!conn)
3821 return;
3822
3823 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3824 conn->passkey_entered = 0;
3825
3826 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3827 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3828 conn->dst_type, conn->passkey_notify,
3829 conn->passkey_entered);
3830}
3831
3832static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3833{
3834 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3835 struct hci_conn *conn;
3836
3837 BT_DBG("%s", hdev->name);
3838
3839 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3840 if (!conn)
3841 return;
3842
3843 switch (ev->type) {
3844 case HCI_KEYPRESS_STARTED:
3845 conn->passkey_entered = 0;
3846 return;
3847
3848 case HCI_KEYPRESS_ENTERED:
3849 conn->passkey_entered++;
3850 break;
3851
3852 case HCI_KEYPRESS_ERASED:
3853 conn->passkey_entered--;
3854 break;
3855
3856 case HCI_KEYPRESS_CLEARED:
3857 conn->passkey_entered = 0;
3858 break;
3859
3860 case HCI_KEYPRESS_COMPLETED:
3861 return;
3862 }
3863
3864 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3865 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3866 conn->dst_type, conn->passkey_notify,
3867 conn->passkey_entered);
3868}
3869
6039aa73
GP		 3870static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3871 struct sk_buff *skb)
0493684e
MH		 3872{
3873 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3874 struct hci_conn *conn;
3875
3876 BT_DBG("%s", hdev->name);
3877
3878 hci_dev_lock(hdev);
3879
3880 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3881 if (!conn)
3882 goto unlock;
3883
c1d4fa7a
JH		 3884 /* Reset the authentication requirement to unknown */
3885 conn->remote_auth = 0xff;
3886
2a611692
JH		 3887 /* To avoid duplicate auth_failed events to user space we check
3888 * the HCI_CONN_AUTH_PEND flag which will be set if we
3889 * initiated the authentication. A traditional auth_complete
3890 * event gets always produced as initiator and is also mapped to
3891 * the mgmt_auth_failed event */
fa1bd918 3892 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3893 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3894 ev->status);
0493684e 3895
76a68ba0 3896 hci_conn_drop(conn);
2a611692
JH		 3897
3898unlock:
0493684e
MH		 3899 hci_dev_unlock(hdev);
3900}
3901
6039aa73
GP		 3902static void hci_remote_host_features_evt(struct hci_dev *hdev,
3903 struct sk_buff *skb)
41a96212
MH		 3904{
3905 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3906 struct inquiry_entry *ie;
cad718ed 3907 struct hci_conn *conn;
41a96212
MH		 3908
3909 BT_DBG("%s", hdev->name);
3910
3911 hci_dev_lock(hdev);
3912
cad718ed
JH		 3913 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3914 if (conn)
3915 memcpy(conn->features[1], ev->features, 8);
3916
cc11b9c1
AE		 3917 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3918 if (ie)
02b7cc62 3919 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3920
3921 hci_dev_unlock(hdev);
3922}
3923
6039aa73
GP		 3924static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3925 struct sk_buff *skb)
2763eda6
SJ		 3926{
3927 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3928 struct oob_data *data;
3929
3930 BT_DBG("%s", hdev->name);
3931
3932 hci_dev_lock(hdev);
3933
a8b2d5c2 3934 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3935 goto unlock;
3936
2763eda6
SJ		 3937 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3938 if (data) {
519ca9d0
MH		 3939 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3940 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3941
519ca9d0
MH		 3942 bacpy(&cp.bdaddr, &ev->bdaddr);
3943 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3944 memcpy(cp.randomizer192, data->randomizer192,
3945 sizeof(cp.randomizer192));
3946 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3947 memcpy(cp.randomizer256, data->randomizer256,
3948 sizeof(cp.randomizer256));
3949
3950 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3951 sizeof(cp), &cp);
3952 } else {
3953 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3954
519ca9d0
MH		 3955 bacpy(&cp.bdaddr, &ev->bdaddr);
3956 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3957 memcpy(cp.randomizer, data->randomizer192,
3958 sizeof(cp.randomizer));
3959
3960 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3961 sizeof(cp), &cp);
3962 }
2763eda6
SJ		 3963 } else {
3964 struct hci_cp_remote_oob_data_neg_reply cp;
3965
3966 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3967 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3968 sizeof(cp), &cp);
2763eda6
SJ		 3969 }
3970
e1ba1f15 3971unlock:
2763eda6
SJ		 3972 hci_dev_unlock(hdev);
3973}
3974
d5e91192
AE		 3975static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3976 struct sk_buff *skb)
3977{
3978 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3979 struct hci_conn *hcon, *bredr_hcon;
3980
3981 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3982 ev->status);
3983
3984 hci_dev_lock(hdev);
3985
3986 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3987 if (!hcon) {
3988 hci_dev_unlock(hdev);
3989 return;
3990 }
3991
3992 if (ev->status) {
3993 hci_conn_del(hcon);
3994 hci_dev_unlock(hdev);
3995 return;
3996 }
3997
3998 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3999
4000 hcon->state = BT_CONNECTED;
4001 bacpy(&hcon->dst, &bredr_hcon->dst);
4002
4003 hci_conn_hold(hcon);
4004 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4005 hci_conn_drop(hcon);
d5e91192 4006
d5e91192
AE		 4007 hci_conn_add_sysfs(hcon);
4008
cf70ff22 4009 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4010
cf70ff22 4011 hci_dev_unlock(hdev);
d5e91192
AE		 4012}
4013
27695fb4
AE		 4014static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4015{
4016 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4017 struct hci_conn *hcon;
4018 struct hci_chan *hchan;
4019 struct amp_mgr *mgr;
4020
4021 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4022 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4023 ev->status);
4024
4025 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4026 if (!hcon)
4027 return;
4028
4029 /* Create AMP hchan */
4030 hchan = hci_chan_create(hcon);
4031 if (!hchan)
4032 return;
4033
4034 hchan->handle = le16_to_cpu(ev->handle);
4035
4036 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4037
4038 mgr = hcon->amp_mgr;
4039 if (mgr && mgr->bredr_chan) {
4040 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4041
4042 l2cap_chan_lock(bredr_chan);
4043
4044 bredr_chan->conn->mtu = hdev->block_mtu;
4045 l2cap_logical_cfm(bredr_chan, hchan, 0);
4046 hci_conn_hold(hcon);
4047
4048 l2cap_chan_unlock(bredr_chan);
4049 }
4050}
4051
606e2a10
AE		 4052static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4053 struct sk_buff *skb)
4054{
4055 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4056 struct hci_chan *hchan;
4057
4058 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4059 le16_to_cpu(ev->handle), ev->status);
4060
4061 if (ev->status)
4062 return;
4063
4064 hci_dev_lock(hdev);
4065
4066 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4067 if (!hchan)
4068 goto unlock;
4069
4070 amp_destroy_logical_link(hchan, ev->reason);
4071
4072unlock:
4073 hci_dev_unlock(hdev);
4074}
4075
9eef6b3a
AE		 4076static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4077 struct sk_buff *skb)
4078{
4079 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4080 struct hci_conn *hcon;
4081
4082 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4083
4084 if (ev->status)
4085 return;
4086
4087 hci_dev_lock(hdev);
4088
4089 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4090 if (hcon) {
4091 hcon->state = BT_CLOSED;
4092 hci_conn_del(hcon);
4093 }
4094
4095 hci_dev_unlock(hdev);
4096}
4097
6039aa73 4098static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4099{
4100 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4101 struct hci_conn_params *params;
fcd89c09 4102 struct hci_conn *conn;
68d6f6de 4103 struct smp_irk *irk;
837d502e 4104 u8 addr_type;
fcd89c09 4105
9f1db00c 4106 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4107
4108 hci_dev_lock(hdev);
4109
fbd96c15
JH		 4110 /* All controllers implicitly stop advertising in the event of a
4111 * connection, so ensure that the state bit is cleared.
4112 */
4113 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4114
b47a09b3 4115 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4116 if (!conn) {
a5c4e309 4117 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4118 if (!conn) {
4119 BT_ERR("No memory for new connection");
230fd16a 4120 goto unlock;
b62f328b 4121 }
29b7988a
AG		 4122
4123 conn->dst_type = ev->bdaddr_type;
b9b343d2 4124
cb1d68f7
JH		 4125 /* If we didn't have a hci_conn object previously
4126 * but we're in master role this must be something
4127 * initiated using a white list. Since white list based
4128 * connections are not "first class citizens" we don't
4129 * have full tracking of them. Therefore, we go ahead
4130 * with a "best effort" approach of determining the
4131 * initiator address based on the HCI_PRIVACY flag.
4132 */
4133 if (conn->out) {
4134 conn->resp_addr_type = ev->bdaddr_type;
4135 bacpy(&conn->resp_addr, &ev->bdaddr);
4136 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4137 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4138 bacpy(&conn->init_addr, &hdev->rpa);
4139 } else {
4140 hci_copy_identity_address(hdev,
4141 &conn->init_addr,
4142 &conn->init_addr_type);
4143 }
cb1d68f7 4144 }
9489eca4
JH		 4145 } else {
4146 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4147 }
fcd89c09 4148
80c24ab8
JH		 4149 if (!conn->out) {
4150 /* Set the responder (our side) address type based on
4151 * the advertising address type.
4152 */
4153 conn->resp_addr_type = hdev->adv_addr_type;
4154 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4155 bacpy(&conn->resp_addr, &hdev->random_addr);
4156 else
4157 bacpy(&conn->resp_addr, &hdev->bdaddr);
4158
4159 conn->init_addr_type = ev->bdaddr_type;
4160 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4161
4162 /* For incoming connections, set the default minimum
4163 * and maximum connection interval. They will be used
4164 * to check if the parameters are in range and if not
4165 * trigger the connection update procedure.
4166 */
4167 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4168 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4169 }
7be2edbb 4170
edb4b466
MH		 4171 /* Lookup the identity address from the stored connection
4172 * address and address type.
4173 *
4174 * When establishing connections to an identity address, the
4175 * connection procedure will store the resolvable random
4176 * address first. Now if it can be converted back into the
4177 * identity address, start using the identity address from
4178 * now on.
4179 */
4180 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4181 if (irk) {
4182 bacpy(&conn->dst, &irk->bdaddr);
4183 conn->dst_type = irk->addr_type;
4184 }
4185
837d502e
JH		 4186 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4187 addr_type = BDADDR_LE_PUBLIC;
4188 else
4189 addr_type = BDADDR_LE_RANDOM;
4190
2d3c2260
JH		 4191 if (ev->status) {
4192 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4193 goto unlock;
4194 }
4195
2d3c2260
JH		 4196 /* Drop the connection if the device is blocked */
4197 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4198 hci_conn_drop(conn);
cd17decb
AG		 4199 goto unlock;
4200 }
4201
b644ba33 4202 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4203 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4204 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4205
7b5c0d52 4206 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4207 conn->handle = __le16_to_cpu(ev->handle);
4208 conn->state = BT_CONNECTED;
4209
e04fde60
MH		 4210 conn->le_conn_interval = le16_to_cpu(ev->interval);
4211 conn->le_conn_latency = le16_to_cpu(ev->latency);
4212 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4213
fcd89c09
VT		 4214 hci_conn_add_sysfs(conn);
4215
4216 hci_proto_connect_cfm(conn, ev->status);
4217
912b42ef 4218 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
223683a5 4219 if (params)
95305baa 4220 list_del_init(&params->action);
a4790dbd 4221
fcd89c09 4222unlock:
223683a5 4223 hci_update_background_scan(hdev);
fcd89c09
VT		 4224 hci_dev_unlock(hdev);
4225}
4226
1855d92d
MH		 4227static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4228 struct sk_buff *skb)
4229{
4230 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4231 struct hci_conn *conn;
4232
4233 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4234
4235 if (ev->status)
4236 return;
4237
4238 hci_dev_lock(hdev);
4239
4240 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4241 if (conn) {
4242 conn->le_conn_interval = le16_to_cpu(ev->interval);
4243 conn->le_conn_latency = le16_to_cpu(ev->latency);
4244 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4245 }
4246
4247 hci_dev_unlock(hdev);
4248}
4249
a4790dbd 4250/* This function requires the caller holds hdev->lock */
7e899c94 4251static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4252 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4253{
4254 struct hci_conn *conn;
4b9e7e75 4255 struct hci_conn_params *params;
a4790dbd 4256
1c1abcab
JH		 4257 /* If the event is not connectable don't proceed further */
4258 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4259 return;
1c1abcab
JH		 4260
4261 /* Ignore if the device is blocked */
dcc36c16 4262 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4263 return;
1c1abcab 4264
f99353cf
JH		 4265 /* Most controller will fail if we try to create new connections
4266 * while we have an existing one in slave role.
4267 */
4268 if (hdev->conn_hash.le_num_slave > 0)
4269 return;
4270
1c1abcab
JH		 4271 /* If we're not connectable only connect devices that we have in
4272 * our pend_le_conns list.
4273 */
4b9e7e75
MH		 4274 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4275 addr, addr_type);
4276 if (!params)
4277 return;
4278
4279 switch (params->auto_connect) {
4280 case HCI_AUTO_CONN_DIRECT:
4281 /* Only devices advertising with ADV_DIRECT_IND are
4282 * triggering a connection attempt. This is allowing
4283 * incoming connections from slave devices.
4284 */
4285 if (adv_type != LE_ADV_DIRECT_IND)
4286 return;
4287 break;
4288 case HCI_AUTO_CONN_ALWAYS:
4289 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4290 * are triggering a connection attempt. This means
4291 * that incoming connectioms from slave device are
4292 * accepted and also outgoing connections to slave
4293 * devices are established when found.
4294 */
4295 break;
4296 default:
7e899c94 4297 return;
4b9e7e75 4298 }
a4790dbd
AG		 4299
4300 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4301 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
a4790dbd 4302 if (!IS_ERR(conn))
7e899c94 4303 return;
a4790dbd
AG		 4304
4305 switch (PTR_ERR(conn)) {
4306 case -EBUSY:
4307 /* If hci_connect() returns -EBUSY it means there is already
4308 * an LE connection attempt going on. Since controllers don't
4309 * support more than one connection attempt at the time, we
4310 * don't consider this an error case.
4311 */
4312 break;
4313 default:
4314 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4315 }
4316}
4317
4af605d8
JH		 4318static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4319 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4320{
b9a6328f 4321 struct discovery_state *d = &hdev->discovery;
1c1abcab 4322 struct smp_irk *irk;
474ee066 4323 bool match;
c70a7e4c 4324 u32 flags;
b9a6328f 4325
1c1abcab
JH		 4326 /* Check if we need to convert to identity address */
4327 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4328 if (irk) {
4329 bdaddr = &irk->bdaddr;
4330 bdaddr_type = irk->addr_type;
4331 }
4332
4333 /* Check if we have been requested to connect to this device */
4334 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4335
0d2bf134
JH		 4336 /* Passive scanning shouldn't trigger any device found events,
4337 * except for devices marked as CONN_REPORT for which we do send
4338 * device found events.
4339 */
ca5c4be7 4340 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4341 if (type == LE_ADV_DIRECT_IND)
4342 return;
4343
3a19b6fe
JH		 4344 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4345 bdaddr, bdaddr_type))
0d2bf134
JH		 4346 return;
4347
4348 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4349 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4350 else
4351 flags = 0;
4352 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4353 rssi, flags, data, len, NULL, 0);
97bf2e99 4354 return;
ca5c4be7 4355 }
4af605d8 4356
c70a7e4c
MH		 4357 /* When receiving non-connectable or scannable undirected
4358 * advertising reports, this means that the remote device is
4359 * not connectable and then clearly indicate this in the
4360 * device found event.
4361 *
4362 * When receiving a scan response, then there is no way to
4363 * know if the remote device is connectable or not. However
4364 * since scan responses are merged with a previously seen
4365 * advertising report, the flags field from that report
4366 * will be used.
4367 *
4368 * In the really unlikely case that a controller get confused
4369 * and just sends a scan response event, then it is marked as
4370 * not connectable as well.
4371 */
4372 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4373 type == LE_ADV_SCAN_RSP)
4374 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4375 else
4376 flags = 0;
4377
b9a6328f
JH		 4378 /* If there's nothing pending either store the data from this
4379 * event or send an immediate device found event if the data
4380 * should not be stored for later.
4381 */
4382 if (!has_pending_adv_report(hdev)) {
4383 /* If the report will trigger a SCAN_REQ store it for
4384 * later merging.
4385 */
4386 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4387 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4388 rssi, flags, data, len);
b9a6328f
JH		 4389 return;
4390 }
4391
4392 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4393 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4394 return;
4395 }
4396
474ee066
JH		 4397 /* Check if the pending report is for the same device as the new one */
4398 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4399 bdaddr_type == d->last_adv_addr_type);
4400
b9a6328f
JH		 4401 /* If the pending data doesn't match this report or this isn't a
4402 * scan response (e.g. we got a duplicate ADV_IND) then force
4403 * sending of the pending data.
4404 */
474ee066
JH		 4405 if (type != LE_ADV_SCAN_RSP || !match) {
4406 /* Send out whatever is in the cache, but skip duplicates */
4407 if (!match)
4408 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4409 d->last_adv_addr_type, NULL,
c70a7e4c 4410 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4411 d->last_adv_data,
474ee066 4412 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4413
4414 /* If the new report will trigger a SCAN_REQ store it for
4415 * later merging.
4416 */
4417 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4418 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4419 rssi, flags, data, len);
b9a6328f
JH		 4420 return;
4421 }
4422
4423 /* The advertising reports cannot be merged, so clear
4424 * the pending report and send out a device found event.
4425 */
4426 clear_pending_adv_report(hdev);
5c5b93e4 4427 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4428 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4429 return;
4430 }
4431
4432 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4433 * the new event is a SCAN_RSP. We can therefore proceed with
4434 * sending a merged device found event.
4435 */
4436 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4437 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4438 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4439 clear_pending_adv_report(hdev);
4af605d8
JH		 4440}
4441
6039aa73 4442static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4443{
e95beb41
AG		 4444 u8 num_reports = skb->data[0];
4445 void *ptr = &skb->data[1];
9aa04c91 4446
a4790dbd
AG		 4447 hci_dev_lock(hdev);
4448
e95beb41
AG		 4449 while (num_reports--) {
4450 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4451 s8 rssi;
a4790dbd 4452
3c9e9195 4453 rssi = ev->data[ev->length];
4af605d8
JH		 4454 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4455 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4456
e95beb41 4457 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4458 }
a4790dbd
AG		 4459
4460 hci_dev_unlock(hdev);
9aa04c91
AG		 4461}
4462
6039aa73 4463static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4464{
4465 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4466 struct hci_cp_le_ltk_reply cp;
bea710fe 4467 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4468 struct hci_conn *conn;
c9839a11 4469 struct smp_ltk *ltk;
a7a595f6 4470
9f1db00c 4471 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4472
4473 hci_dev_lock(hdev);
4474
4475 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4476 if (conn == NULL)
4477 goto not_found;
a7a595f6 4478
e804d25d 4479 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4480 if (ltk == NULL)
4481 goto not_found;
4482
4483 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4484 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4485
4486 if (ltk->authenticated)
f8776218
AG		 4487 conn->pending_sec_level = BT_SECURITY_HIGH;
4488 else
4489 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4490
89cbb4da 4491 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4492
4493 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4494
5981a882
CT		 4495 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4496 * temporary key used to encrypt a connection following
4497 * pairing. It is used during the Encrypted Session Setup to
4498 * distribute the keys. Later, security can be re-established
4499 * using a distributed LTK.
4500 */
2ceba539 4501 if (ltk->type == SMP_STK) {
fe59a05f 4502 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4503 list_del(&ltk->list);
4504 kfree(ltk);
fe59a05f
JH		 4505 } else {
4506 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4507 }
4508
a7a595f6 4509 hci_dev_unlock(hdev);
bea710fe
VCG		 4510
4511 return;
4512
4513not_found:
4514 neg.handle = ev->handle;
4515 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4516 hci_dev_unlock(hdev);
a7a595f6
VCG		 4517}
4518
8e75b46a
AG		 4519static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4520 u8 reason)
4521{
4522 struct hci_cp_le_conn_param_req_neg_reply cp;
4523
4524 cp.handle = cpu_to_le16(handle);
4525 cp.reason = reason;
4526
4527 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4528 &cp);
4529}
4530
4531static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4532 struct sk_buff *skb)
4533{
4534 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4535 struct hci_cp_le_conn_param_req_reply cp;
4536 struct hci_conn *hcon;
4537 u16 handle, min, max, latency, timeout;
4538
4539 handle = le16_to_cpu(ev->handle);
4540 min = le16_to_cpu(ev->interval_min);
4541 max = le16_to_cpu(ev->interval_max);
4542 latency = le16_to_cpu(ev->latency);
4543 timeout = le16_to_cpu(ev->timeout);
4544
4545 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4546 if (!hcon || hcon->state != BT_CONNECTED)
4547 return send_conn_param_neg_reply(hdev, handle,
4548 HCI_ERROR_UNKNOWN_CONN_ID);
4549
4550 if (hci_check_conn_params(min, max, latency, timeout))
4551 return send_conn_param_neg_reply(hdev, handle,
4552 HCI_ERROR_INVALID_LL_PARAMS);
4553
40bef302 4554 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4555 struct hci_conn_params *params;
f4869e2a 4556 u8 store_hint;
348d50b8
JH		 4557
4558 hci_dev_lock(hdev);
4559
4560 params = hci_conn_params_lookup(hdev, &hcon->dst,
4561 hcon->dst_type);
4562 if (params) {
4563 params->conn_min_interval = min;
4564 params->conn_max_interval = max;
4565 params->conn_latency = latency;
4566 params->supervision_timeout = timeout;
f4869e2a
JH		 4567 store_hint = 0x01;
4568 } else{
4569 store_hint = 0x00;
348d50b8
JH		 4570 }
4571
4572 hci_dev_unlock(hdev);
4573
f4869e2a
JH		 4574 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4575 store_hint, min, max, latency, timeout);
348d50b8 4576 }
ffb5a827 4577
8e75b46a
AG		 4578 cp.handle = ev->handle;
4579 cp.interval_min = ev->interval_min;
4580 cp.interval_max = ev->interval_max;
4581 cp.latency = ev->latency;
4582 cp.timeout = ev->timeout;
4583 cp.min_ce_len = 0;
4584 cp.max_ce_len = 0;
4585
4586 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4587}
4588
6039aa73 4589static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4590{
4591 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4592
4593 skb_pull(skb, sizeof(*le_ev));
4594
4595 switch (le_ev->subevent) {
4596 case HCI_EV_LE_CONN_COMPLETE:
4597 hci_le_conn_complete_evt(hdev, skb);
4598 break;
4599
1855d92d
MH		 4600 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4601 hci_le_conn_update_complete_evt(hdev, skb);
4602 break;
4603
9aa04c91
AG		 4604 case HCI_EV_LE_ADVERTISING_REPORT:
4605 hci_le_adv_report_evt(hdev, skb);
4606 break;
4607
a7a595f6
VCG		 4608 case HCI_EV_LE_LTK_REQ:
4609 hci_le_ltk_request_evt(hdev, skb);
4610 break;
4611
8e75b46a
AG		 4612 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4613 hci_le_remote_conn_param_req_evt(hdev, skb);
4614 break;
4615
fcd89c09
VT		 4616 default:
4617 break;
4618 }
4619}
4620
9495b2ee
AE		 4621static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4622{
4623 struct hci_ev_channel_selected *ev = (void *) skb->data;
4624 struct hci_conn *hcon;
4625
4626 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4627
4628 skb_pull(skb, sizeof(*ev));
4629
4630 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4631 if (!hcon)
4632 return;
4633
4634 amp_read_loc_assoc_final_data(hdev, hcon);
4635}
4636
a9de9248
MH		 4637void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4638{
4639 struct hci_event_hdr *hdr = (void *) skb->data;
4640 __u8 event = hdr->evt;
4641
b6ddb638
JH		 4642 hci_dev_lock(hdev);
4643
4644 /* Received events are (currently) only needed when a request is
4645 * ongoing so avoid unnecessary memory allocation.
4646 */
899de765 4647 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4648 kfree_skb(hdev->recv_evt);
4649 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4650 }
4651
4652 hci_dev_unlock(hdev);
4653
a9de9248
MH		 4654 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4655
02350a72 4656 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4657 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4658 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4659
4660 hci_req_cmd_complete(hdev, opcode, 0);
4661 }
4662
a9de9248 4663 switch (event) {
1da177e4
LT		 4664 case HCI_EV_INQUIRY_COMPLETE:
4665 hci_inquiry_complete_evt(hdev, skb);
4666 break;
4667
4668 case HCI_EV_INQUIRY_RESULT:
4669 hci_inquiry_result_evt(hdev, skb);
4670 break;
4671
a9de9248
MH		 4672 case HCI_EV_CONN_COMPLETE:
4673 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4674 break;
4675
1da177e4
LT		 4676 case HCI_EV_CONN_REQUEST:
4677 hci_conn_request_evt(hdev, skb);
4678 break;
4679
1da177e4
LT		 4680 case HCI_EV_DISCONN_COMPLETE:
4681 hci_disconn_complete_evt(hdev, skb);
4682 break;
4683
1da177e4
LT		 4684 case HCI_EV_AUTH_COMPLETE:
4685 hci_auth_complete_evt(hdev, skb);
4686 break;
4687
a9de9248
MH		 4688 case HCI_EV_REMOTE_NAME:
4689 hci_remote_name_evt(hdev, skb);
4690 break;
4691
1da177e4
LT		 4692 case HCI_EV_ENCRYPT_CHANGE:
4693 hci_encrypt_change_evt(hdev, skb);
4694 break;
4695
a9de9248
MH		 4696 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4697 hci_change_link_key_complete_evt(hdev, skb);
4698 break;
4699
4700 case HCI_EV_REMOTE_FEATURES:
4701 hci_remote_features_evt(hdev, skb);
4702 break;
4703
a9de9248
MH		 4704 case HCI_EV_CMD_COMPLETE:
4705 hci_cmd_complete_evt(hdev, skb);
4706 break;
4707
4708 case HCI_EV_CMD_STATUS:
4709 hci_cmd_status_evt(hdev, skb);
4710 break;
4711
4712 case HCI_EV_ROLE_CHANGE:
4713 hci_role_change_evt(hdev, skb);
4714 break;
4715
4716 case HCI_EV_NUM_COMP_PKTS:
4717 hci_num_comp_pkts_evt(hdev, skb);
4718 break;
4719
4720 case HCI_EV_MODE_CHANGE:
4721 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4722 break;
4723
4724 case HCI_EV_PIN_CODE_REQ:
4725 hci_pin_code_request_evt(hdev, skb);
4726 break;
4727
4728 case HCI_EV_LINK_KEY_REQ:
4729 hci_link_key_request_evt(hdev, skb);
4730 break;
4731
4732 case HCI_EV_LINK_KEY_NOTIFY:
4733 hci_link_key_notify_evt(hdev, skb);
4734 break;
4735
4736 case HCI_EV_CLOCK_OFFSET:
4737 hci_clock_offset_evt(hdev, skb);
4738 break;
4739
a8746417
MH		 4740 case HCI_EV_PKT_TYPE_CHANGE:
4741 hci_pkt_type_change_evt(hdev, skb);
4742 break;
4743
85a1e930
MH		 4744 case HCI_EV_PSCAN_REP_MODE:
4745 hci_pscan_rep_mode_evt(hdev, skb);
4746 break;
4747
a9de9248
MH		 4748 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4749 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4750 break;
4751
a9de9248
MH		 4752 case HCI_EV_REMOTE_EXT_FEATURES:
4753 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4754 break;
4755
a9de9248
MH		 4756 case HCI_EV_SYNC_CONN_COMPLETE:
4757 hci_sync_conn_complete_evt(hdev, skb);
4758 break;
1da177e4 4759
a9de9248
MH		 4760 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4761 hci_extended_inquiry_result_evt(hdev, skb);
4762 break;
1da177e4 4763
1c2e0041
JH		 4764 case HCI_EV_KEY_REFRESH_COMPLETE:
4765 hci_key_refresh_complete_evt(hdev, skb);
4766 break;
4767
0493684e
MH		 4768 case HCI_EV_IO_CAPA_REQUEST:
4769 hci_io_capa_request_evt(hdev, skb);
4770 break;
4771
03b555e1
JH		 4772 case HCI_EV_IO_CAPA_REPLY:
4773 hci_io_capa_reply_evt(hdev, skb);
4774 break;
4775
a5c29683
JH		 4776 case HCI_EV_USER_CONFIRM_REQUEST:
4777 hci_user_confirm_request_evt(hdev, skb);
4778 break;
4779
1143d458
BG		 4780 case HCI_EV_USER_PASSKEY_REQUEST:
4781 hci_user_passkey_request_evt(hdev, skb);
4782 break;
4783
92a25256
JH		 4784 case HCI_EV_USER_PASSKEY_NOTIFY:
4785 hci_user_passkey_notify_evt(hdev, skb);
4786 break;
4787
4788 case HCI_EV_KEYPRESS_NOTIFY:
4789 hci_keypress_notify_evt(hdev, skb);
4790 break;
4791
0493684e
MH		 4792 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4793 hci_simple_pair_complete_evt(hdev, skb);
4794 break;
4795
41a96212
MH		 4796 case HCI_EV_REMOTE_HOST_FEATURES:
4797 hci_remote_host_features_evt(hdev, skb);
4798 break;
4799
fcd89c09
VT		 4800 case HCI_EV_LE_META:
4801 hci_le_meta_evt(hdev, skb);
4802 break;
4803
9495b2ee
AE		 4804 case HCI_EV_CHANNEL_SELECTED:
4805 hci_chan_selected_evt(hdev, skb);
4806 break;
4807
2763eda6
SJ		 4808 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4809 hci_remote_oob_data_request_evt(hdev, skb);
4810 break;
4811
d5e91192
AE		 4812 case HCI_EV_PHY_LINK_COMPLETE:
4813 hci_phy_link_complete_evt(hdev, skb);
4814 break;
4815
27695fb4
AE		 4816 case HCI_EV_LOGICAL_LINK_COMPLETE:
4817 hci_loglink_complete_evt(hdev, skb);
4818 break;
4819
606e2a10
AE		 4820 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4821 hci_disconn_loglink_complete_evt(hdev, skb);
4822 break;
4823
9eef6b3a
AE		 4824 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4825 hci_disconn_phylink_complete_evt(hdev, skb);
4826 break;
4827
25e89e99
AE		 4828 case HCI_EV_NUM_COMP_BLOCKS:
4829 hci_num_comp_blocks_evt(hdev, skb);
4830 break;
4831
a9de9248 4832 default:
9f1db00c 4833 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4834 break;
4835 }
4836
4837 kfree_skb(skb);
4838 hdev->stat.evt_rx++;
4839}
Linux kernel - Deliverables
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