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Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[mirror_ubuntu-artful-kernel.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);
22f433dc
JH		 2074
2075 hci_update_page_scan(hdev, NULL);
04837f64
MH		 2076 }
2077
1da177e4 2078 /* Set packet type for incoming connection */
d095c1eb 2079 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2080 struct hci_cp_change_conn_ptype cp;
2081 cp.handle = ev->handle;
a8746417 2082 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2083 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2084 &cp);
1da177e4 2085 }
17d5c04c 2086 } else {
1da177e4 2087 conn->state = BT_CLOSED;
17d5c04c 2088 if (conn->type == ACL_LINK)
64c7b77c 2089 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2090 conn->dst_type, ev->status);
17d5c04c 2091 }
1da177e4 2092
e73439d8
MH		 2093 if (conn->type == ACL_LINK)
2094 hci_sco_setup(conn, ev->status);
1da177e4 2095
769be974
MH		 2096 if (ev->status) {
2097 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2098 hci_conn_del(conn);
c89b6e6b
MH		 2099 } else if (ev->link_type != ACL_LINK)
2100 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2101
a9de9248 2102unlock:
1da177e4 2103 hci_dev_unlock(hdev);
1da177e4 2104
a9de9248 2105 hci_conn_check_pending(hdev);
1da177e4
LT		 2106}
2107
70c46425
JH		 2108static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2109{
2110 struct hci_cp_reject_conn_req cp;
2111
2112 bacpy(&cp.bdaddr, bdaddr);
2113 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2114 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2115}
2116
6039aa73 2117static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2118{
a9de9248
MH		 2119 struct hci_ev_conn_request *ev = (void *) skb->data;
2120 int mask = hdev->link_mode;
70c46425
JH		 2121 struct inquiry_entry *ie;
2122 struct hci_conn *conn;
20714bfe 2123 __u8 flags = 0;
1da177e4 2124
6ed93dc6 2125 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2126 ev->link_type);
1da177e4 2127
20714bfe
FD		 2128 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2129 &flags);
1da177e4 2130
70c46425
JH		 2131 if (!(mask & HCI_LM_ACCEPT)) {
2132 hci_reject_conn(hdev, &ev->bdaddr);
2133 return;
2134 }
2135
46c4c941
JH		 2136 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2137 BDADDR_BREDR)) {
2138 hci_reject_conn(hdev, &ev->bdaddr);
2139 return;
2140 }
2141
2142 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2143 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2144 BDADDR_BREDR)) {
2145 hci_reject_conn(hdev, &ev->bdaddr);
2146 return;
70c46425 2147 }
1da177e4 2148
70c46425 2149 /* Connection accepted */
b6a0dc82 2150
70c46425
JH		 2151 hci_dev_lock(hdev);
2152
2153 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2154 if (ie)
2155 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2156
70c46425
JH		 2157 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2158 &ev->bdaddr);
2159 if (!conn) {
a5c4e309
JH		 2160 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2161 HCI_ROLE_SLAVE);
a9de9248 2162 if (!conn) {
70c46425
JH		 2163 BT_ERR("No memory for new connection");
2164 hci_dev_unlock(hdev);
2165 return;
1da177e4 2166 }
70c46425 2167 }
b6a0dc82 2168
70c46425 2169 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2170
70c46425 2171 hci_dev_unlock(hdev);
1da177e4 2172
70c46425
JH		 2173 if (ev->link_type == ACL_LINK ||
2174 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2175 struct hci_cp_accept_conn_req cp;
2176 conn->state = BT_CONNECT;
1da177e4 2177
70c46425 2178 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2179
70c46425
JH		 2180 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2181 cp.role = 0x00; /* Become master */
2182 else
2183 cp.role = 0x01; /* Remain slave */
b6a0dc82 2184
70c46425
JH		 2185 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2186 } else if (!(flags & HCI_PROTO_DEFER)) {
2187 struct hci_cp_accept_sync_conn_req cp;
2188 conn->state = BT_CONNECT;
b6a0dc82 2189
70c46425
JH		 2190 bacpy(&cp.bdaddr, &ev->bdaddr);
2191 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2192
70c46425
JH		 2193 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2194 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2195 cp.max_latency = cpu_to_le16(0xffff);
2196 cp.content_format = cpu_to_le16(hdev->voice_setting);
2197 cp.retrans_effort = 0xff;
1da177e4 2198
70c46425
JH		 2199 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2200 &cp);
a9de9248 2201 } else {
70c46425
JH		 2202 conn->state = BT_CONNECT2;
2203 hci_proto_connect_cfm(conn, 0);
1da177e4 2204 }
1da177e4
LT		 2205}
2206
f0d6a0ea
MA		 2207static u8 hci_to_mgmt_reason(u8 err)
2208{
2209 switch (err) {
2210 case HCI_ERROR_CONNECTION_TIMEOUT:
2211 return MGMT_DEV_DISCONN_TIMEOUT;
2212 case HCI_ERROR_REMOTE_USER_TERM:
2213 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2214 case HCI_ERROR_REMOTE_POWER_OFF:
2215 return MGMT_DEV_DISCONN_REMOTE;
2216 case HCI_ERROR_LOCAL_HOST_TERM:
2217 return MGMT_DEV_DISCONN_LOCAL_HOST;
2218 default:
2219 return MGMT_DEV_DISCONN_UNKNOWN;
2220 }
2221}
2222
6039aa73 2223static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2224{
a9de9248 2225 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2226 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2227 struct hci_conn_params *params;
04837f64 2228 struct hci_conn *conn;
12d4a3b2 2229 bool mgmt_connected;
3846220b 2230 u8 type;
04837f64 2231
9f1db00c 2232 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2233
2234 hci_dev_lock(hdev);
2235
2236 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2237 if (!conn)
2238 goto unlock;
7d0db0a3 2239
abf54a50
AG		 2240 if (ev->status) {
2241 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2242 conn->dst_type, ev->status);
2243 goto unlock;
37d9ef76 2244 }
f7520543 2245
3846220b
AG		 2246 conn->state = BT_CLOSED;
2247
12d4a3b2
JH		 2248 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2249 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2250 reason, mgmt_connected);
abf54a50 2251
22f433dc
JH		 2252 if (conn->type == ACL_LINK) {
2253 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2254 hci_remove_link_key(hdev, &conn->dst);
2255
2256 hci_update_page_scan(hdev, NULL);
2257 }
2210246c 2258
9fcb18ef
AG		 2259 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2260 if (params) {
2261 switch (params->auto_connect) {
2262 case HCI_AUTO_CONN_LINK_LOSS:
2263 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2264 break;
2265 /* Fall through */
2266
4b9e7e75 2267 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2268 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2269 list_del_init(&params->action);
2270 list_add(&params->action, &hdev->pend_le_conns);
2271 hci_update_background_scan(hdev);
9fcb18ef
AG		 2272 break;
2273
2274 default:
2275 break;
2276 }
2277 }
2278
3846220b 2279 type = conn->type;
2210246c 2280
3846220b
AG		 2281 hci_proto_disconn_cfm(conn, ev->reason);
2282 hci_conn_del(conn);
2283
2284 /* Re-enable advertising if necessary, since it might
2285 * have been disabled by the connection. From the
2286 * HCI_LE_Set_Advertise_Enable command description in
2287 * the core specification (v4.0):
2288 * "The Controller shall continue advertising until the Host
2289 * issues an LE_Set_Advertise_Enable command with
2290 * Advertising_Enable set to 0x00 (Advertising is disabled)
2291 * or until a connection is created or until the Advertising
2292 * is timed out due to Directed Advertising."
2293 */
2294 if (type == LE_LINK)
2295 mgmt_reenable_advertising(hdev);
f7520543
JH		 2296
2297unlock:
04837f64
MH		 2298 hci_dev_unlock(hdev);
2299}
2300
6039aa73 2301static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2302{
a9de9248 2303 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2304 struct hci_conn *conn;
1da177e4 2305
9f1db00c 2306 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2307
2308 hci_dev_lock(hdev);
2309
04837f64 2310 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2311 if (!conn)
2312 goto unlock;
2313
2314 if (!ev->status) {
aa64a8b5 2315 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2316 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2317 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2318 } else {
4dae2798 2319 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2320 conn->sec_level = conn->pending_sec_level;
2a611692 2321 }
d7556e20 2322 } else {
e1e930f5 2323 mgmt_auth_failed(conn, ev->status);
d7556e20 2324 }
1da177e4 2325
51a8efd7
JH		 2326 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2327 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2328
d7556e20 2329 if (conn->state == BT_CONFIG) {
aa64a8b5 2330 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2331 struct hci_cp_set_conn_encrypt cp;
2332 cp.handle = ev->handle;
2333 cp.encrypt = 0x01;
2334 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2335 &cp);
052b30b0 2336 } else {
d7556e20
WR		 2337 conn->state = BT_CONNECTED;
2338 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2339 hci_conn_drop(conn);
052b30b0 2340 }
d7556e20
WR		 2341 } else {
2342 hci_auth_cfm(conn, ev->status);
052b30b0 2343
d7556e20
WR		 2344 hci_conn_hold(conn);
2345 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2346 hci_conn_drop(conn);
d7556e20
WR		 2347 }
2348
51a8efd7 2349 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2350 if (!ev->status) {
2351 struct hci_cp_set_conn_encrypt cp;
2352 cp.handle = ev->handle;
2353 cp.encrypt = 0x01;
2354 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2355 &cp);
d7556e20 2356 } else {
51a8efd7 2357 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2358 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2359 }
2360 }
2361
d7556e20 2362unlock:
1da177e4
LT		 2363 hci_dev_unlock(hdev);
2364}
2365
6039aa73 2366static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2367{
127178d2
JH		 2368 struct hci_ev_remote_name *ev = (void *) skb->data;
2369 struct hci_conn *conn;
2370
a9de9248 2371 BT_DBG("%s", hdev->name);
1da177e4 2372
a9de9248 2373 hci_conn_check_pending(hdev);
127178d2
JH		 2374
2375 hci_dev_lock(hdev);
2376
b644ba33 2377 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2378
b644ba33
JH		 2379 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2380 goto check_auth;
a88a9652 2381
b644ba33
JH		 2382 if (ev->status == 0)
2383 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2384 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2385 else
2386 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2387
2388check_auth:
79c6c70c
JH		 2389 if (!conn)
2390 goto unlock;
2391
2392 if (!hci_outgoing_auth_needed(hdev, conn))
2393 goto unlock;
2394
51a8efd7 2395 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2396 struct hci_cp_auth_requested cp;
977f8fce
JH		 2397
2398 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2399
127178d2
JH		 2400 cp.handle = __cpu_to_le16(conn->handle);
2401 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2402 }
2403
79c6c70c 2404unlock:
127178d2 2405 hci_dev_unlock(hdev);
a9de9248
MH		 2406}
2407
6039aa73 2408static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2409{
2410 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2411 struct hci_conn *conn;
2412
9f1db00c 2413 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2414
2415 hci_dev_lock(hdev);
2416
04837f64 2417 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2418 if (!conn)
2419 goto unlock;
1da177e4 2420
dc8357cc
MH		 2421 if (!ev->status) {
2422 if (ev->encrypt) {
2423 /* Encryption implies authentication */
4dae2798
JH		 2424 set_bit(HCI_CONN_AUTH, &conn->flags);
2425 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2426 conn->sec_level = conn->pending_sec_level;
abf76bad 2427
914a6ffe
MH		 2428 /* P-256 authentication key implies FIPS */
2429 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2430 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2431
abf76bad
MH		 2432 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2433 conn->type == LE_LINK)
2434 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2435 } else {
4dae2798 2436 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2437 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2438 }
dc8357cc 2439 }
a7d7723a 2440
7ed3fa20
JH		 2441 /* We should disregard the current RPA and generate a new one
2442 * whenever the encryption procedure fails.
2443 */
2444 if (ev->status && conn->type == LE_LINK)
2445 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2446
dc8357cc 2447 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2448
dc8357cc
MH		 2449 if (ev->status && conn->state == BT_CONNECTED) {
2450 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2451 hci_conn_drop(conn);
2452 goto unlock;
1da177e4
LT		 2453 }
2454
dc8357cc
MH		 2455 if (conn->state == BT_CONFIG) {
2456 if (!ev->status)
2457 conn->state = BT_CONNECTED;
2458
40b552aa
MH		 2459 /* In Secure Connections Only mode, do not allow any
2460 * connections that are not encrypted with AES-CCM
2461 * using a P-256 authenticated combination key.
2462 */
2463 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2464 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2465 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2466 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2467 hci_conn_drop(conn);
2468 goto unlock;
2469 }
2470
dc8357cc
MH		 2471 hci_proto_connect_cfm(conn, ev->status);
2472 hci_conn_drop(conn);
2473 } else
2474 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2475
a7d7723a 2476unlock:
1da177e4
LT		 2477 hci_dev_unlock(hdev);
2478}
2479
6039aa73
GP		 2480static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2481 struct sk_buff *skb)
1da177e4 2482{
a9de9248 2483 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2484 struct hci_conn *conn;
1da177e4 2485
9f1db00c 2486 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2487
2488 hci_dev_lock(hdev);
2489
04837f64 2490 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2491 if (conn) {
2492 if (!ev->status)
4dae2798 2493 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2494
51a8efd7 2495 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2496
2497 hci_key_change_cfm(conn, ev->status);
2498 }
2499
2500 hci_dev_unlock(hdev);
2501}
2502
6039aa73
GP		 2503static void hci_remote_features_evt(struct hci_dev *hdev,
2504 struct sk_buff *skb)
1da177e4 2505{
a9de9248
MH		 2506 struct hci_ev_remote_features *ev = (void *) skb->data;
2507 struct hci_conn *conn;
2508
9f1db00c 2509 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2510
a9de9248
MH		 2511 hci_dev_lock(hdev);
2512
2513 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2514 if (!conn)
2515 goto unlock;
769be974 2516
ccd556fe 2517 if (!ev->status)
cad718ed 2518 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2519
2520 if (conn->state != BT_CONFIG)
2521 goto unlock;
2522
2523 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2524 struct hci_cp_read_remote_ext_features cp;
2525 cp.handle = ev->handle;
2526 cp.page = 0x01;
2527 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2528 sizeof(cp), &cp);
392599b9
JH		 2529 goto unlock;
2530 }
2531
671267bf 2532 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2533 struct hci_cp_remote_name_req cp;
2534 memset(&cp, 0, sizeof(cp));
2535 bacpy(&cp.bdaddr, &conn->dst);
2536 cp.pscan_rep_mode = 0x02;
2537 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2538 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2539 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2540 conn->dst_type, 0, NULL, 0,
2541 conn->dev_class);
392599b9 2542
127178d2 2543 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2544 conn->state = BT_CONNECTED;
2545 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2546 hci_conn_drop(conn);
769be974 2547 }
a9de9248 2548
ccd556fe 2549unlock:
a9de9248 2550 hci_dev_unlock(hdev);
1da177e4
LT		 2551}
2552
6039aa73 2553static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2554{
2555 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2556 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2557 __u16 opcode;
2558
2559 skb_pull(skb, sizeof(*ev));
2560
2561 opcode = __le16_to_cpu(ev->opcode);
2562
2563 switch (opcode) {
2564 case HCI_OP_INQUIRY_CANCEL:
2565 hci_cc_inquiry_cancel(hdev, skb);
2566 break;
2567
4d93483b
AG		 2568 case HCI_OP_PERIODIC_INQ:
2569 hci_cc_periodic_inq(hdev, skb);
2570 break;
2571
a9de9248
MH		 2572 case HCI_OP_EXIT_PERIODIC_INQ:
2573 hci_cc_exit_periodic_inq(hdev, skb);
2574 break;
2575
2576 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2577 hci_cc_remote_name_req_cancel(hdev, skb);
2578 break;
2579
2580 case HCI_OP_ROLE_DISCOVERY:
2581 hci_cc_role_discovery(hdev, skb);
2582 break;
2583
e4e8e37c
MH		 2584 case HCI_OP_READ_LINK_POLICY:
2585 hci_cc_read_link_policy(hdev, skb);
2586 break;
2587
a9de9248
MH		 2588 case HCI_OP_WRITE_LINK_POLICY:
2589 hci_cc_write_link_policy(hdev, skb);
2590 break;
2591
e4e8e37c
MH		 2592 case HCI_OP_READ_DEF_LINK_POLICY:
2593 hci_cc_read_def_link_policy(hdev, skb);
2594 break;
2595
2596 case HCI_OP_WRITE_DEF_LINK_POLICY:
2597 hci_cc_write_def_link_policy(hdev, skb);
2598 break;
2599
a9de9248
MH		 2600 case HCI_OP_RESET:
2601 hci_cc_reset(hdev, skb);
2602 break;
2603
2604 case HCI_OP_WRITE_LOCAL_NAME:
2605 hci_cc_write_local_name(hdev, skb);
2606 break;
2607
2608 case HCI_OP_READ_LOCAL_NAME:
2609 hci_cc_read_local_name(hdev, skb);
2610 break;
2611
2612 case HCI_OP_WRITE_AUTH_ENABLE:
2613 hci_cc_write_auth_enable(hdev, skb);
2614 break;
2615
2616 case HCI_OP_WRITE_ENCRYPT_MODE:
2617 hci_cc_write_encrypt_mode(hdev, skb);
2618 break;
2619
2620 case HCI_OP_WRITE_SCAN_ENABLE:
2621 hci_cc_write_scan_enable(hdev, skb);
2622 break;
2623
2624 case HCI_OP_READ_CLASS_OF_DEV:
2625 hci_cc_read_class_of_dev(hdev, skb);
2626 break;
2627
2628 case HCI_OP_WRITE_CLASS_OF_DEV:
2629 hci_cc_write_class_of_dev(hdev, skb);
2630 break;
2631
2632 case HCI_OP_READ_VOICE_SETTING:
2633 hci_cc_read_voice_setting(hdev, skb);
2634 break;
2635
2636 case HCI_OP_WRITE_VOICE_SETTING:
2637 hci_cc_write_voice_setting(hdev, skb);
2638 break;
2639
b4cb9fb2
MH		 2640 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2641 hci_cc_read_num_supported_iac(hdev, skb);
2642 break;
2643
333140b5
MH		 2644 case HCI_OP_WRITE_SSP_MODE:
2645 hci_cc_write_ssp_mode(hdev, skb);
2646 break;
2647
eac83dc6
MH		 2648 case HCI_OP_WRITE_SC_SUPPORT:
2649 hci_cc_write_sc_support(hdev, skb);
2650 break;
2651
a9de9248
MH		 2652 case HCI_OP_READ_LOCAL_VERSION:
2653 hci_cc_read_local_version(hdev, skb);
2654 break;
2655
2656 case HCI_OP_READ_LOCAL_COMMANDS:
2657 hci_cc_read_local_commands(hdev, skb);
2658 break;
2659
2660 case HCI_OP_READ_LOCAL_FEATURES:
2661 hci_cc_read_local_features(hdev, skb);
2662 break;
2663
971e3a4b
AG		 2664 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2665 hci_cc_read_local_ext_features(hdev, skb);
2666 break;
2667
a9de9248
MH		 2668 case HCI_OP_READ_BUFFER_SIZE:
2669 hci_cc_read_buffer_size(hdev, skb);
2670 break;
2671
2672 case HCI_OP_READ_BD_ADDR:
2673 hci_cc_read_bd_addr(hdev, skb);
2674 break;
2675
f332ec66
JH		 2676 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2677 hci_cc_read_page_scan_activity(hdev, skb);
2678 break;
2679
4a3ee763
JH		 2680 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2681 hci_cc_write_page_scan_activity(hdev, skb);
2682 break;
2683
f332ec66
JH		 2684 case HCI_OP_READ_PAGE_SCAN_TYPE:
2685 hci_cc_read_page_scan_type(hdev, skb);
2686 break;
2687
4a3ee763
JH		 2688 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2689 hci_cc_write_page_scan_type(hdev, skb);
2690 break;
2691
350ee4cf
AE		 2692 case HCI_OP_READ_DATA_BLOCK_SIZE:
2693 hci_cc_read_data_block_size(hdev, skb);
2694 break;
2695
1e89cffb
AE		 2696 case HCI_OP_READ_FLOW_CONTROL_MODE:
2697 hci_cc_read_flow_control_mode(hdev, skb);
2698 break;
2699
928abaa7
AE		 2700 case HCI_OP_READ_LOCAL_AMP_INFO:
2701 hci_cc_read_local_amp_info(hdev, skb);
2702 break;
2703
33f35721
JH		 2704 case HCI_OP_READ_CLOCK:
2705 hci_cc_read_clock(hdev, skb);
2706 break;
2707
903e4541
AE		 2708 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2709 hci_cc_read_local_amp_assoc(hdev, skb);
2710 break;
2711
d5859e22
JH		 2712 case HCI_OP_READ_INQ_RSP_TX_POWER:
2713 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2714 break;
2715
980e1a53
JH		 2716 case HCI_OP_PIN_CODE_REPLY:
2717 hci_cc_pin_code_reply(hdev, skb);
2718 break;
2719
2720 case HCI_OP_PIN_CODE_NEG_REPLY:
2721 hci_cc_pin_code_neg_reply(hdev, skb);
2722 break;
2723
c35938b2 2724 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2725 hci_cc_read_local_oob_data(hdev, skb);
2726 break;
2727
2728 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2729 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2730 break;
2731
6ed58ec5
VT		 2732 case HCI_OP_LE_READ_BUFFER_SIZE:
2733 hci_cc_le_read_buffer_size(hdev, skb);
2734 break;
2735
60e77321
JH		 2736 case HCI_OP_LE_READ_LOCAL_FEATURES:
2737 hci_cc_le_read_local_features(hdev, skb);
2738 break;
2739
8fa19098
JH		 2740 case HCI_OP_LE_READ_ADV_TX_POWER:
2741 hci_cc_le_read_adv_tx_power(hdev, skb);
2742 break;
2743
a5c29683
JH		 2744 case HCI_OP_USER_CONFIRM_REPLY:
2745 hci_cc_user_confirm_reply(hdev, skb);
2746 break;
2747
2748 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2749 hci_cc_user_confirm_neg_reply(hdev, skb);
2750 break;
2751
1143d458
BG		 2752 case HCI_OP_USER_PASSKEY_REPLY:
2753 hci_cc_user_passkey_reply(hdev, skb);
2754 break;
2755
2756 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2757 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2758 break;
07f7fa5d 2759
7a4cd51d
MH		 2760 case HCI_OP_LE_SET_RANDOM_ADDR:
2761 hci_cc_le_set_random_addr(hdev, skb);
2762 break;
2763
c1d5dc4a
JH		 2764 case HCI_OP_LE_SET_ADV_ENABLE:
2765 hci_cc_le_set_adv_enable(hdev, skb);
2766 break;
2767
533553f8
MH		 2768 case HCI_OP_LE_SET_SCAN_PARAM:
2769 hci_cc_le_set_scan_param(hdev, skb);
2770 break;
2771
eb9d91f5
AG		 2772 case HCI_OP_LE_SET_SCAN_ENABLE:
2773 hci_cc_le_set_scan_enable(hdev, skb);
2774 break;
2775
cf1d081f
JH		 2776 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2777 hci_cc_le_read_white_list_size(hdev, skb);
2778 break;
2779
0f36b589
MH		 2780 case HCI_OP_LE_CLEAR_WHITE_LIST:
2781 hci_cc_le_clear_white_list(hdev, skb);
2782 break;
2783
2784 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2785 hci_cc_le_add_to_white_list(hdev, skb);
2786 break;
2787
2788 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2789 hci_cc_le_del_from_white_list(hdev, skb);
2790 break;
2791
9b008c04
JH		 2792 case HCI_OP_LE_READ_SUPPORTED_STATES:
2793 hci_cc_le_read_supported_states(hdev, skb);
2794 break;
2795
f9b49306
AG		 2796 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2797 hci_cc_write_le_host_supported(hdev, skb);
2798 break;
2799
56ed2cb8
JH		 2800 case HCI_OP_LE_SET_ADV_PARAM:
2801 hci_cc_set_adv_param(hdev, skb);
2802 break;
2803
93c284ee
AE		 2804 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2805 hci_cc_write_remote_amp_assoc(hdev, skb);
2806 break;
2807
5ae76a94
AK		 2808 case HCI_OP_READ_RSSI:
2809 hci_cc_read_rssi(hdev, skb);
2810 break;
2811
5a134fae
AK		 2812 case HCI_OP_READ_TX_POWER:
2813 hci_cc_read_tx_power(hdev, skb);
2814 break;
2815
a9de9248 2816 default:
9f1db00c 2817 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2818 break;
2819 }
2820
ad82cdd1 2821 if (opcode != HCI_OP_NOP)
65cc2b49 2822 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2823
ad82cdd1 2824 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2825
dbccd791 2826 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2827 atomic_set(&hdev->cmd_cnt, 1);
2828 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2829 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2830 }
2831}
2832
6039aa73 2833static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2834{
2835 struct hci_ev_cmd_status *ev = (void *) skb->data;
2836 __u16 opcode;
2837
2838 skb_pull(skb, sizeof(*ev));
2839
2840 opcode = __le16_to_cpu(ev->opcode);
2841
2842 switch (opcode) {
2843 case HCI_OP_INQUIRY:
2844 hci_cs_inquiry(hdev, ev->status);
2845 break;
2846
2847 case HCI_OP_CREATE_CONN:
2848 hci_cs_create_conn(hdev, ev->status);
2849 break;
2850
2851 case HCI_OP_ADD_SCO:
2852 hci_cs_add_sco(hdev, ev->status);
2853 break;
2854
f8558555
MH		 2855 case HCI_OP_AUTH_REQUESTED:
2856 hci_cs_auth_requested(hdev, ev->status);
2857 break;
2858
2859 case HCI_OP_SET_CONN_ENCRYPT:
2860 hci_cs_set_conn_encrypt(hdev, ev->status);
2861 break;
2862
a9de9248
MH		 2863 case HCI_OP_REMOTE_NAME_REQ:
2864 hci_cs_remote_name_req(hdev, ev->status);
2865 break;
2866
769be974
MH		 2867 case HCI_OP_READ_REMOTE_FEATURES:
2868 hci_cs_read_remote_features(hdev, ev->status);
2869 break;
2870
2871 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2872 hci_cs_read_remote_ext_features(hdev, ev->status);
2873 break;
2874
a9de9248
MH		 2875 case HCI_OP_SETUP_SYNC_CONN:
2876 hci_cs_setup_sync_conn(hdev, ev->status);
2877 break;
2878
2879 case HCI_OP_SNIFF_MODE:
2880 hci_cs_sniff_mode(hdev, ev->status);
2881 break;
2882
2883 case HCI_OP_EXIT_SNIFF_MODE:
2884 hci_cs_exit_sniff_mode(hdev, ev->status);
2885 break;
2886
8962ee74 2887 case HCI_OP_DISCONNECT:
88c3df13 2888 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2889 break;
2890
a02226d6
AE		 2891 case HCI_OP_CREATE_PHY_LINK:
2892 hci_cs_create_phylink(hdev, ev->status);
2893 break;
2894
0b26ab9d
AE		 2895 case HCI_OP_ACCEPT_PHY_LINK:
2896 hci_cs_accept_phylink(hdev, ev->status);
2897 break;
2898
cb1d68f7
JH		 2899 case HCI_OP_LE_CREATE_CONN:
2900 hci_cs_le_create_conn(hdev, ev->status);
2901 break;
2902
81d0c8ad
JH		 2903 case HCI_OP_LE_START_ENC:
2904 hci_cs_le_start_enc(hdev, ev->status);
2905 break;
2906
a9de9248 2907 default:
9f1db00c 2908 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2909 break;
2910 }
2911
ad82cdd1 2912 if (opcode != HCI_OP_NOP)
65cc2b49 2913 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2914
02350a72
JH		 2915 if (ev->status ||
2916 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2917 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2918
10572132 2919 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2920 atomic_set(&hdev->cmd_cnt, 1);
2921 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2922 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2923 }
2924}
2925
6039aa73 2926static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2927{
2928 struct hci_ev_role_change *ev = (void *) skb->data;
2929 struct hci_conn *conn;
2930
9f1db00c 2931 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2932
2933 hci_dev_lock(hdev);
2934
2935 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2936 if (conn) {
40bef302
JH		 2937 if (!ev->status)
2938 conn->role = ev->role;
a9de9248 2939
51a8efd7 2940 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2941
2942 hci_role_switch_cfm(conn, ev->status, ev->role);
2943 }
2944
2945 hci_dev_unlock(hdev);
2946}
2947
6039aa73 2948static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2949{
2950 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2951 int i;
2952
32ac5b9b
AE		 2953 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2954 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2955 return;
2956 }
2957
c5993de8 2958 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2959 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2960 BT_DBG("%s bad parameters", hdev->name);
2961 return;
2962 }
2963
c5993de8
AE		 2964 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2965
613a1c0c
AE		 2966 for (i = 0; i < ev->num_hndl; i++) {
2967 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2968 struct hci_conn *conn;
2969 __u16 handle, count;
2970
613a1c0c
AE		 2971 handle = __le16_to_cpu(info->handle);
2972 count = __le16_to_cpu(info->count);
a9de9248
MH		 2973
2974 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2975 if (!conn)
2976 continue;
2977
2978 conn->sent -= count;
2979
2980 switch (conn->type) {
2981 case ACL_LINK:
2982 hdev->acl_cnt += count;
2983 if (hdev->acl_cnt > hdev->acl_pkts)
2984 hdev->acl_cnt = hdev->acl_pkts;
2985 break;
2986
2987 case LE_LINK:
2988 if (hdev->le_pkts) {
2989 hdev->le_cnt += count;
2990 if (hdev->le_cnt > hdev->le_pkts)
2991 hdev->le_cnt = hdev->le_pkts;
2992 } else {
70f23020
AE		 2993 hdev->acl_cnt += count;
2994 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2995 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2996 }
f4280918
AE		 2997 break;
2998
2999 case SCO_LINK:
3000 hdev->sco_cnt += count;
3001 if (hdev->sco_cnt > hdev->sco_pkts)
3002 hdev->sco_cnt = hdev->sco_pkts;
3003 break;
3004
3005 default:
3006 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3007 break;
a9de9248
MH		 3008 }
3009 }
3010
3eff45ea 3011 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3012}
3013
76ef7cf7
AE		 3014static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3015 __u16 handle)
3016{
3017 struct hci_chan *chan;
3018
3019 switch (hdev->dev_type) {
3020 case HCI_BREDR:
3021 return hci_conn_hash_lookup_handle(hdev, handle);
3022 case HCI_AMP:
3023 chan = hci_chan_lookup_handle(hdev, handle);
3024 if (chan)
3025 return chan->conn;
3026 break;
3027 default:
3028 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3029 break;
3030 }
3031
3032 return NULL;
3033}
3034
6039aa73 3035static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3036{
3037 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3038 int i;
3039
3040 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3041 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3042 return;
3043 }
3044
3045 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3046 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3047 BT_DBG("%s bad parameters", hdev->name);
3048 return;
3049 }
3050
3051 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3052 ev->num_hndl);
25e89e99
AE		 3053
3054 for (i = 0; i < ev->num_hndl; i++) {
3055 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3056 struct hci_conn *conn = NULL;
25e89e99
AE		 3057 __u16 handle, block_count;
3058
3059 handle = __le16_to_cpu(info->handle);
3060 block_count = __le16_to_cpu(info->blocks);
3061
76ef7cf7 3062 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3063 if (!conn)
3064 continue;
3065
3066 conn->sent -= block_count;
3067
3068 switch (conn->type) {
3069 case ACL_LINK:
bd1eb66b 3070 case AMP_LINK:
25e89e99
AE		 3071 hdev->block_cnt += block_count;
3072 if (hdev->block_cnt > hdev->num_blocks)
3073 hdev->block_cnt = hdev->num_blocks;
3074 break;
3075
3076 default:
3077 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3078 break;
3079 }
3080 }
3081
3082 queue_work(hdev->workqueue, &hdev->tx_work);
3083}
3084
6039aa73 3085static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3086{
a9de9248 3087 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3088 struct hci_conn *conn;
3089
9f1db00c 3090 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3091
3092 hci_dev_lock(hdev);
3093
3094 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3095 if (conn) {
3096 conn->mode = ev->mode;
a9de9248 3097
8fc9ced3
GP		 3098 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3099 &conn->flags)) {
a9de9248 3100 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3101 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3102 else
58a681ef 3103 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3104 }
e73439d8 3105
51a8efd7 3106 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3107 hci_sco_setup(conn, ev->status);
04837f64
MH		 3108 }
3109
3110 hci_dev_unlock(hdev);
3111}
3112
6039aa73 3113static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3114{
052b30b0
MH		 3115 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3116 struct hci_conn *conn;
3117
a9de9248 3118 BT_DBG("%s", hdev->name);
052b30b0
MH		 3119
3120 hci_dev_lock(hdev);
3121
3122 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3123 if (!conn)
3124 goto unlock;
3125
3126 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3127 hci_conn_hold(conn);
3128 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3129 hci_conn_drop(conn);
052b30b0
MH		 3130 }
3131
b6ae8457 3132 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3133 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3134 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3135 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3136 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3137 u8 secure;
3138
3139 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3140 secure = 1;
3141 else
3142 secure = 0;
3143
744cf19e 3144 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3145 }
980e1a53 3146
b6f98044 3147unlock:
052b30b0 3148 hci_dev_unlock(hdev);
a9de9248
MH		 3149}
3150
6039aa73 3151static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3152{
55ed8ca1
JH		 3153 struct hci_ev_link_key_req *ev = (void *) skb->data;
3154 struct hci_cp_link_key_reply cp;
3155 struct hci_conn *conn;
3156 struct link_key *key;
3157
a9de9248 3158 BT_DBG("%s", hdev->name);
55ed8ca1 3159
034cbea0 3160 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3161 return;
3162
3163 hci_dev_lock(hdev);
3164
3165 key = hci_find_link_key(hdev, &ev->bdaddr);
3166 if (!key) {
6ed93dc6
AE		 3167 BT_DBG("%s link key not found for %pMR", hdev->name,
3168 &ev->bdaddr);
55ed8ca1
JH		 3169 goto not_found;
3170 }
3171
6ed93dc6
AE		 3172 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3173 &ev->bdaddr);
55ed8ca1 3174
55ed8ca1 3175 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3176 if (conn) {
66138ce8
MH		 3177 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3178 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3179 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3180 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3181 goto not_found;
3182 }
55ed8ca1 3183
60b83f57 3184 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3185 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3186 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3187 BT_DBG("%s ignoring key unauthenticated for high security",
3188 hdev->name);
60b83f57
WR		 3189 goto not_found;
3190 }
3191
3192 conn->key_type = key->type;
3193 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3194 }
3195
3196 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3197 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3198
3199 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3200
3201 hci_dev_unlock(hdev);
3202
3203 return;
3204
3205not_found:
3206 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3207 hci_dev_unlock(hdev);
a9de9248
MH		 3208}
3209
6039aa73 3210static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3211{
052b30b0
MH		 3212 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3213 struct hci_conn *conn;
7652ff6a
JH		 3214 struct link_key *key;
3215 bool persistent;
55ed8ca1 3216 u8 pin_len = 0;
052b30b0 3217
a9de9248 3218 BT_DBG("%s", hdev->name);
052b30b0
MH		 3219
3220 hci_dev_lock(hdev);
3221
3222 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3223 if (conn) {
3224 hci_conn_hold(conn);
3225 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3226 pin_len = conn->pin_length;
13d39315
WR		 3227
3228 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3229 conn->key_type = ev->key_type;
3230
76a68ba0 3231 hci_conn_drop(conn);
052b30b0
MH		 3232 }
3233
7652ff6a
JH		 3234 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3235 goto unlock;
3236
3237 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3238 ev->key_type, pin_len, &persistent);
3239 if (!key)
3240 goto unlock;
3241
3242 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3243
6d5650c4
JH		 3244 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3245 * is set. If it's not set simply remove the key from the kernel
3246 * list (we've still notified user space about it but with
3247 * store_hint being 0).
3248 */
3249 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3250 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3251 list_del(&key->list);
3252 kfree(key);
3253 } else if (conn) {
af6a9c32
JH		 3254 if (persistent)
3255 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3256 else
3257 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3258 }
7652ff6a
JH		 3259
3260unlock:
052b30b0 3261 hci_dev_unlock(hdev);
a9de9248
MH		 3262}
3263
6039aa73 3264static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3265{
a9de9248 3266 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3267 struct hci_conn *conn;
1da177e4 3268
9f1db00c 3269 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3270
3271 hci_dev_lock(hdev);
3272
04837f64 3273 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3274 if (conn && !ev->status) {
3275 struct inquiry_entry *ie;
3276
cc11b9c1
AE		 3277 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3278 if (ie) {
1da177e4
LT		 3279 ie->data.clock_offset = ev->clock_offset;
3280 ie->timestamp = jiffies;
3281 }
3282 }
3283
3284 hci_dev_unlock(hdev);
3285}
3286
6039aa73 3287static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3288{
3289 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3290 struct hci_conn *conn;
3291
9f1db00c 3292 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3293
3294 hci_dev_lock(hdev);
3295
3296 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3297 if (conn && !ev->status)
3298 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3299
3300 hci_dev_unlock(hdev);
3301}
3302
6039aa73 3303static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3304{
a9de9248 3305 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3306 struct inquiry_entry *ie;
3307
3308 BT_DBG("%s", hdev->name);
3309
3310 hci_dev_lock(hdev);
3311
cc11b9c1
AE		 3312 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3313 if (ie) {
85a1e930
MH		 3314 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3315 ie->timestamp = jiffies;
3316 }
3317
3318 hci_dev_unlock(hdev);
3319}
3320
6039aa73
GP		 3321static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3322 struct sk_buff *skb)
a9de9248
MH		 3323{
3324 struct inquiry_data data;
3325 int num_rsp = *((__u8 *) skb->data);
3326
3327 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3328
3329 if (!num_rsp)
3330 return;
3331
1519cc17
AG		 3332 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3333 return;
3334
a9de9248
MH		 3335 hci_dev_lock(hdev);
3336
3337 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3338 struct inquiry_info_with_rssi_and_pscan_mode *info;
3339 info = (void *) (skb->data + 1);
a9de9248 3340
e17acd40 3341 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3342 u32 flags;
3343
a9de9248
MH		 3344 bacpy(&data.bdaddr, &info->bdaddr);
3345 data.pscan_rep_mode = info->pscan_rep_mode;
3346 data.pscan_period_mode = info->pscan_period_mode;
3347 data.pscan_mode = info->pscan_mode;
3348 memcpy(data.dev_class, info->dev_class, 3);
3349 data.clock_offset = info->clock_offset;
3350 data.rssi = info->rssi;
41a96212 3351 data.ssp_mode = 0x00;
3175405b 3352
af58925c
MH		 3353 flags = hci_inquiry_cache_update(hdev, &data, false);
3354
48264f06 3355 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3356 info->dev_class, info->rssi,
af58925c 3357 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3358 }
3359 } else {
3360 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3361
e17acd40 3362 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3363 u32 flags;
3364
a9de9248
MH		 3365 bacpy(&data.bdaddr, &info->bdaddr);
3366 data.pscan_rep_mode = info->pscan_rep_mode;
3367 data.pscan_period_mode = info->pscan_period_mode;
3368 data.pscan_mode = 0x00;
3369 memcpy(data.dev_class, info->dev_class, 3);
3370 data.clock_offset = info->clock_offset;
3371 data.rssi = info->rssi;
41a96212 3372 data.ssp_mode = 0x00;
af58925c
MH		 3373
3374 flags = hci_inquiry_cache_update(hdev, &data, false);
3375
48264f06 3376 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3377 info->dev_class, info->rssi,
af58925c 3378 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3379 }
3380 }
3381
3382 hci_dev_unlock(hdev);
3383}
3384
6039aa73
GP		 3385static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3386 struct sk_buff *skb)
a9de9248 3387{
41a96212
MH		 3388 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3389 struct hci_conn *conn;
3390
a9de9248 3391 BT_DBG("%s", hdev->name);
41a96212 3392
41a96212
MH		 3393 hci_dev_lock(hdev);
3394
3395 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3396 if (!conn)
3397 goto unlock;
41a96212 3398
cad718ed
JH		 3399 if (ev->page < HCI_MAX_PAGES)
3400 memcpy(conn->features[ev->page], ev->features, 8);
3401
ccd556fe
JH		 3402 if (!ev->status && ev->page == 0x01) {
3403 struct inquiry_entry *ie;
41a96212 3404
cc11b9c1
AE		 3405 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3406 if (ie)
02b7cc62 3407 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3408
bbb0eada 3409 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3410 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3411 } else {
3412 /* It is mandatory by the Bluetooth specification that
3413 * Extended Inquiry Results are only used when Secure
3414 * Simple Pairing is enabled, but some devices violate
3415 * this.
3416 *
3417 * To make these devices work, the internal SSP
3418 * enabled flag needs to be cleared if the remote host
3419 * features do not indicate SSP support */
3420 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3421 }
eb9a8f3f
MH		 3422
3423 if (ev->features[0] & LMP_HOST_SC)
3424 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3425 }
3426
3427 if (conn->state != BT_CONFIG)
3428 goto unlock;
3429
671267bf 3430 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3431 struct hci_cp_remote_name_req cp;
3432 memset(&cp, 0, sizeof(cp));
3433 bacpy(&cp.bdaddr, &conn->dst);
3434 cp.pscan_rep_mode = 0x02;
3435 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3436 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3437 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3438 conn->dst_type, 0, NULL, 0,
3439 conn->dev_class);
392599b9 3440
127178d2 3441 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3442 conn->state = BT_CONNECTED;
3443 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3444 hci_conn_drop(conn);
41a96212
MH		 3445 }
3446
ccd556fe 3447unlock:
41a96212 3448 hci_dev_unlock(hdev);
a9de9248
MH		 3449}
3450
6039aa73
GP		 3451static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3452 struct sk_buff *skb)
a9de9248 3453{
b6a0dc82
MH		 3454 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3455 struct hci_conn *conn;
3456
9f1db00c 3457 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3458
3459 hci_dev_lock(hdev);
3460
3461 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3462 if (!conn) {
3463 if (ev->link_type == ESCO_LINK)
3464 goto unlock;
3465
3466 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3467 if (!conn)
3468 goto unlock;
3469
3470 conn->type = SCO_LINK;
3471 }
b6a0dc82 3472
732547f9
MH		 3473 switch (ev->status) {
3474 case 0x00:
b6a0dc82
MH		 3475 conn->handle = __le16_to_cpu(ev->handle);
3476 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3477
3478 hci_conn_add_sysfs(conn);
732547f9
MH		 3479 break;
3480
81218d20 3481 case 0x10: /* Connection Accept Timeout */
1a4c958c 3482 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3483 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3484 case 0x1c: /* SCO interval rejected */
1038a00b 3485 case 0x1a: /* Unsupported Remote Feature */
732547f9 3486 case 0x1f: /* Unspecified error */
27539bc4 3487 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3488 if (conn->out) {
732547f9
MH		 3489 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3490 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3491 if (hci_setup_sync(conn, conn->link->handle))
3492 goto unlock;
732547f9
MH		 3493 }
3494 /* fall through */
3495
3496 default:
b6a0dc82 3497 conn->state = BT_CLOSED;
732547f9
MH		 3498 break;
3499 }
b6a0dc82
MH		 3500
3501 hci_proto_connect_cfm(conn, ev->status);
3502 if (ev->status)
3503 hci_conn_del(conn);
3504
3505unlock:
3506 hci_dev_unlock(hdev);
a9de9248
MH		 3507}
3508
efdcf8e3
MH		 3509static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3510{
3511 size_t parsed = 0;
3512
3513 while (parsed < eir_len) {
3514 u8 field_len = eir[0];
3515
3516 if (field_len == 0)
3517 return parsed;
3518
3519 parsed += field_len + 1;
3520 eir += field_len + 1;
3521 }
3522
3523 return eir_len;
3524}
3525
6039aa73
GP		 3526static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3527 struct sk_buff *skb)
1da177e4 3528{
a9de9248
MH		 3529 struct inquiry_data data;
3530 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3531 int num_rsp = *((__u8 *) skb->data);
9d939d94 3532 size_t eir_len;
1da177e4 3533
a9de9248 3534 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3535
a9de9248
MH		 3536 if (!num_rsp)
3537 return;
1da177e4 3538
1519cc17
AG		 3539 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3540 return;
3541
a9de9248
MH		 3542 hci_dev_lock(hdev);
3543
e17acd40 3544 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3545 u32 flags;
3546 bool name_known;
561aafbc 3547
a9de9248 3548 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3549 data.pscan_rep_mode = info->pscan_rep_mode;
3550 data.pscan_period_mode = info->pscan_period_mode;
3551 data.pscan_mode = 0x00;
a9de9248 3552 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3553 data.clock_offset = info->clock_offset;
3554 data.rssi = info->rssi;
41a96212 3555 data.ssp_mode = 0x01;
561aafbc 3556
a8b2d5c2 3557 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3558 name_known = eir_has_data_type(info->data,
04124681
GP		 3559 sizeof(info->data),
3560 EIR_NAME_COMPLETE);
561aafbc
JH		 3561 else
3562 name_known = true;
3563
af58925c
MH		 3564 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3565
9d939d94 3566 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3567
48264f06 3568 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3569 info->dev_class, info->rssi,
3570 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3571 }
3572
3573 hci_dev_unlock(hdev);
3574}
1da177e4 3575
1c2e0041
JH		 3576static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3577 struct sk_buff *skb)
3578{
3579 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3580 struct hci_conn *conn;
3581
9f1db00c 3582 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3583 __le16_to_cpu(ev->handle));
3584
3585 hci_dev_lock(hdev);
3586
3587 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3588 if (!conn)
3589 goto unlock;
3590
9eb1fbfa
JH		 3591 /* For BR/EDR the necessary steps are taken through the
3592 * auth_complete event.
3593 */
3594 if (conn->type != LE_LINK)
3595 goto unlock;
3596
1c2e0041
JH		 3597 if (!ev->status)
3598 conn->sec_level = conn->pending_sec_level;
3599
3600 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3601
3602 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3603 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3604 hci_conn_drop(conn);
1c2e0041
JH		 3605 goto unlock;
3606 }
3607
3608 if (conn->state == BT_CONFIG) {
3609 if (!ev->status)
3610 conn->state = BT_CONNECTED;
3611
3612 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3613 hci_conn_drop(conn);
1c2e0041
JH		 3614 } else {
3615 hci_auth_cfm(conn, ev->status);
3616
3617 hci_conn_hold(conn);
3618 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3619 hci_conn_drop(conn);
1c2e0041
JH		 3620 }
3621
3622unlock:
3623 hci_dev_unlock(hdev);
3624}
3625
6039aa73 3626static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3627{
17fa4b9d 3628 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3629 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3630 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3631 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3632
b7f94c88
MA		 3633 /* If both remote and local have enough IO capabilities, require
3634 * MITM protection
3635 */
3636 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3637 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3638 return conn->remote_auth | 0x01;
3639
7e74170a
TM		 3640 /* No MITM protection possible so ignore remote requirement */
3641 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3642}
3643
6039aa73 3644static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3645{
3646 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3647 struct hci_conn *conn;
3648
3649 BT_DBG("%s", hdev->name);
3650
3651 hci_dev_lock(hdev);
3652
3653 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3654 if (!conn)
3655 goto unlock;
3656
3657 hci_conn_hold(conn);
3658
a8b2d5c2 3659 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3660 goto unlock;
3661
2f407f0a
JH		 3662 /* Allow pairing if we're pairable, the initiators of the
3663 * pairing or if the remote is not requesting bonding.
3664 */
b6ae8457 3665 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3666 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3667 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3668 struct hci_cp_io_capability_reply cp;
3669
3670 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3671 /* Change the IO capability from KeyboardDisplay
3672 * to DisplayYesNo as it is not supported by BT spec. */
3673 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3674 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3675
3676 /* If we are initiators, there is no remote information yet */
3677 if (conn->remote_auth == 0xff) {
b16c6604 3678 /* Request MITM protection if our IO caps allow it
4ad51a75 3679 * except for the no-bonding case.
b16c6604 3680 */
6fd6b915 3681 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3682 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3683 conn->auth_type |= 0x01;
b7f94c88
MA		 3684 } else {
3685 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3686 }
17fa4b9d 3687
82c295b1
JH		 3688 /* If we're not bondable, force one of the non-bondable
3689 * authentication requirement values.
3690 */
3691 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3692 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3693
3694 cp.authentication = conn->auth_type;
3695
8fc9ced3
GP		 3696 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3697 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3698 cp.oob_data = 0x01;
3699 else
3700 cp.oob_data = 0x00;
3701
17fa4b9d 3702 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3703 sizeof(cp), &cp);
03b555e1
JH		 3704 } else {
3705 struct hci_cp_io_capability_neg_reply cp;
3706
3707 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3708 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3709
03b555e1 3710 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3711 sizeof(cp), &cp);
03b555e1
JH		 3712 }
3713
3714unlock:
3715 hci_dev_unlock(hdev);
3716}
3717
6039aa73 3718static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3719{
3720 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3721 struct hci_conn *conn;
3722
3723 BT_DBG("%s", hdev->name);
3724
3725 hci_dev_lock(hdev);
3726
3727 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3728 if (!conn)
3729 goto unlock;
3730
03b555e1 3731 conn->remote_cap = ev->capability;
03b555e1 3732 conn->remote_auth = ev->authentication;
58a681ef
JH		 3733 if (ev->oob_data)
3734 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3735
3736unlock:
0493684e
MH		 3737 hci_dev_unlock(hdev);
3738}
3739
6039aa73
GP		 3740static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3741 struct sk_buff *skb)
a5c29683
JH		 3742{
3743 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3744 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3745 struct hci_conn *conn;
a5c29683
JH		 3746
3747 BT_DBG("%s", hdev->name);
3748
3749 hci_dev_lock(hdev);
3750
a8b2d5c2 3751 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3752 goto unlock;
a5c29683 3753
7a828908
JH		 3754 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3755 if (!conn)
3756 goto unlock;
3757
3758 loc_mitm = (conn->auth_type & 0x01);
3759 rem_mitm = (conn->remote_auth & 0x01);
3760
3761 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3762 * (it has NoInputNoOutput) then reject the confirmation
3763 * request. We check the security level here since it doesn't
3764 * necessarily match conn->auth_type.
6fd6b915 3765 */
6c53823a
JH		 3766 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3767 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3768 BT_DBG("Rejecting request: remote device can't provide MITM");
3769 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3770 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3771 goto unlock;
3772 }
3773
3774 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3775 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3776 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3777
3778 /* If we're not the initiators request authorization to
3779 * proceed from user space (mgmt_user_confirm with
ba15a58b 3780 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3781 * side had MITM or if the local IO capability is
3782 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3783 */
3784 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3785 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3786 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3787 BT_DBG("Confirming auto-accept as acceptor");
3788 confirm_hint = 1;
3789 goto confirm;
3790 }
3791
9f61656a 3792 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3793 hdev->auto_accept_delay);
9f61656a
JH		 3794
3795 if (hdev->auto_accept_delay > 0) {
3796 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3797 queue_delayed_work(conn->hdev->workqueue,
3798 &conn->auto_accept_work, delay);
9f61656a
JH		 3799 goto unlock;
3800 }
3801
7a828908 3802 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3803 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3804 goto unlock;
3805 }
3806
55bc1a37 3807confirm:
39adbffe
JH		 3808 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3809 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3810
3811unlock:
a5c29683
JH		 3812 hci_dev_unlock(hdev);
3813}
3814
6039aa73
GP		 3815static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3816 struct sk_buff *skb)
1143d458
BG		 3817{
3818 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3819
3820 BT_DBG("%s", hdev->name);
3821
a8b2d5c2 3822 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3823 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3824}
3825
92a25256
JH		 3826static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3827 struct sk_buff *skb)
3828{
3829 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3830 struct hci_conn *conn;
3831
3832 BT_DBG("%s", hdev->name);
3833
3834 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3835 if (!conn)
3836 return;
3837
3838 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3839 conn->passkey_entered = 0;
3840
3841 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3842 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3843 conn->dst_type, conn->passkey_notify,
3844 conn->passkey_entered);
3845}
3846
3847static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3848{
3849 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3850 struct hci_conn *conn;
3851
3852 BT_DBG("%s", hdev->name);
3853
3854 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3855 if (!conn)
3856 return;
3857
3858 switch (ev->type) {
3859 case HCI_KEYPRESS_STARTED:
3860 conn->passkey_entered = 0;
3861 return;
3862
3863 case HCI_KEYPRESS_ENTERED:
3864 conn->passkey_entered++;
3865 break;
3866
3867 case HCI_KEYPRESS_ERASED:
3868 conn->passkey_entered--;
3869 break;
3870
3871 case HCI_KEYPRESS_CLEARED:
3872 conn->passkey_entered = 0;
3873 break;
3874
3875 case HCI_KEYPRESS_COMPLETED:
3876 return;
3877 }
3878
3879 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3880 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3881 conn->dst_type, conn->passkey_notify,
3882 conn->passkey_entered);
3883}
3884
6039aa73
GP		 3885static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3886 struct sk_buff *skb)
0493684e
MH		 3887{
3888 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3889 struct hci_conn *conn;
3890
3891 BT_DBG("%s", hdev->name);
3892
3893 hci_dev_lock(hdev);
3894
3895 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3896 if (!conn)
3897 goto unlock;
3898
c1d4fa7a
JH		 3899 /* Reset the authentication requirement to unknown */
3900 conn->remote_auth = 0xff;
3901
2a611692
JH		 3902 /* To avoid duplicate auth_failed events to user space we check
3903 * the HCI_CONN_AUTH_PEND flag which will be set if we
3904 * initiated the authentication. A traditional auth_complete
3905 * event gets always produced as initiator and is also mapped to
3906 * the mgmt_auth_failed event */
fa1bd918 3907 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 3908 mgmt_auth_failed(conn, ev->status);
0493684e 3909
76a68ba0 3910 hci_conn_drop(conn);
2a611692
JH		 3911
3912unlock:
0493684e
MH		 3913 hci_dev_unlock(hdev);
3914}
3915
6039aa73
GP		 3916static void hci_remote_host_features_evt(struct hci_dev *hdev,
3917 struct sk_buff *skb)
41a96212
MH		 3918{
3919 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3920 struct inquiry_entry *ie;
cad718ed 3921 struct hci_conn *conn;
41a96212
MH		 3922
3923 BT_DBG("%s", hdev->name);
3924
3925 hci_dev_lock(hdev);
3926
cad718ed
JH		 3927 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3928 if (conn)
3929 memcpy(conn->features[1], ev->features, 8);
3930
cc11b9c1
AE		 3931 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3932 if (ie)
02b7cc62 3933 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3934
3935 hci_dev_unlock(hdev);
3936}
3937
6039aa73
GP		 3938static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3939 struct sk_buff *skb)
2763eda6
SJ		 3940{
3941 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3942 struct oob_data *data;
3943
3944 BT_DBG("%s", hdev->name);
3945
3946 hci_dev_lock(hdev);
3947
a8b2d5c2 3948 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3949 goto unlock;
3950
2763eda6
SJ		 3951 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3952 if (data) {
519ca9d0
MH		 3953 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3954 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3955
519ca9d0
MH		 3956 bacpy(&cp.bdaddr, &ev->bdaddr);
3957 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3958 memcpy(cp.randomizer192, data->randomizer192,
3959 sizeof(cp.randomizer192));
3960 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3961 memcpy(cp.randomizer256, data->randomizer256,
3962 sizeof(cp.randomizer256));
3963
3964 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3965 sizeof(cp), &cp);
3966 } else {
3967 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3968
519ca9d0
MH		 3969 bacpy(&cp.bdaddr, &ev->bdaddr);
3970 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3971 memcpy(cp.randomizer, data->randomizer192,
3972 sizeof(cp.randomizer));
3973
3974 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3975 sizeof(cp), &cp);
3976 }
2763eda6
SJ		 3977 } else {
3978 struct hci_cp_remote_oob_data_neg_reply cp;
3979
3980 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3981 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3982 sizeof(cp), &cp);
2763eda6
SJ		 3983 }
3984
e1ba1f15 3985unlock:
2763eda6
SJ		 3986 hci_dev_unlock(hdev);
3987}
3988
d5e91192
AE		 3989static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3990 struct sk_buff *skb)
3991{
3992 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3993 struct hci_conn *hcon, *bredr_hcon;
3994
3995 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3996 ev->status);
3997
3998 hci_dev_lock(hdev);
3999
4000 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4001 if (!hcon) {
4002 hci_dev_unlock(hdev);
4003 return;
4004 }
4005
4006 if (ev->status) {
4007 hci_conn_del(hcon);
4008 hci_dev_unlock(hdev);
4009 return;
4010 }
4011
4012 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4013
4014 hcon->state = BT_CONNECTED;
4015 bacpy(&hcon->dst, &bredr_hcon->dst);
4016
4017 hci_conn_hold(hcon);
4018 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4019 hci_conn_drop(hcon);
d5e91192 4020
d5e91192
AE		 4021 hci_conn_add_sysfs(hcon);
4022
cf70ff22 4023 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4024
cf70ff22 4025 hci_dev_unlock(hdev);
d5e91192
AE		 4026}
4027
27695fb4
AE		 4028static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4029{
4030 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4031 struct hci_conn *hcon;
4032 struct hci_chan *hchan;
4033 struct amp_mgr *mgr;
4034
4035 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4036 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4037 ev->status);
4038
4039 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4040 if (!hcon)
4041 return;
4042
4043 /* Create AMP hchan */
4044 hchan = hci_chan_create(hcon);
4045 if (!hchan)
4046 return;
4047
4048 hchan->handle = le16_to_cpu(ev->handle);
4049
4050 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4051
4052 mgr = hcon->amp_mgr;
4053 if (mgr && mgr->bredr_chan) {
4054 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4055
4056 l2cap_chan_lock(bredr_chan);
4057
4058 bredr_chan->conn->mtu = hdev->block_mtu;
4059 l2cap_logical_cfm(bredr_chan, hchan, 0);
4060 hci_conn_hold(hcon);
4061
4062 l2cap_chan_unlock(bredr_chan);
4063 }
4064}
4065
606e2a10
AE		 4066static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4067 struct sk_buff *skb)
4068{
4069 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4070 struct hci_chan *hchan;
4071
4072 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4073 le16_to_cpu(ev->handle), ev->status);
4074
4075 if (ev->status)
4076 return;
4077
4078 hci_dev_lock(hdev);
4079
4080 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4081 if (!hchan)
4082 goto unlock;
4083
4084 amp_destroy_logical_link(hchan, ev->reason);
4085
4086unlock:
4087 hci_dev_unlock(hdev);
4088}
4089
9eef6b3a
AE		 4090static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4091 struct sk_buff *skb)
4092{
4093 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4094 struct hci_conn *hcon;
4095
4096 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4097
4098 if (ev->status)
4099 return;
4100
4101 hci_dev_lock(hdev);
4102
4103 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4104 if (hcon) {
4105 hcon->state = BT_CLOSED;
4106 hci_conn_del(hcon);
4107 }
4108
4109 hci_dev_unlock(hdev);
4110}
4111
6039aa73 4112static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4113{
4114 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4115 struct hci_conn_params *params;
fcd89c09 4116 struct hci_conn *conn;
68d6f6de 4117 struct smp_irk *irk;
837d502e 4118 u8 addr_type;
fcd89c09 4119
9f1db00c 4120 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4121
4122 hci_dev_lock(hdev);
4123
fbd96c15
JH		 4124 /* All controllers implicitly stop advertising in the event of a
4125 * connection, so ensure that the state bit is cleared.
4126 */
4127 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4128
b47a09b3 4129 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4130 if (!conn) {
a5c4e309 4131 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4132 if (!conn) {
4133 BT_ERR("No memory for new connection");
230fd16a 4134 goto unlock;
b62f328b 4135 }
29b7988a
AG		 4136
4137 conn->dst_type = ev->bdaddr_type;
b9b343d2 4138
cb1d68f7
JH		 4139 /* If we didn't have a hci_conn object previously
4140 * but we're in master role this must be something
4141 * initiated using a white list. Since white list based
4142 * connections are not "first class citizens" we don't
4143 * have full tracking of them. Therefore, we go ahead
4144 * with a "best effort" approach of determining the
4145 * initiator address based on the HCI_PRIVACY flag.
4146 */
4147 if (conn->out) {
4148 conn->resp_addr_type = ev->bdaddr_type;
4149 bacpy(&conn->resp_addr, &ev->bdaddr);
4150 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4151 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4152 bacpy(&conn->init_addr, &hdev->rpa);
4153 } else {
4154 hci_copy_identity_address(hdev,
4155 &conn->init_addr,
4156 &conn->init_addr_type);
4157 }
cb1d68f7 4158 }
9489eca4
JH		 4159 } else {
4160 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4161 }
fcd89c09 4162
80c24ab8
JH		 4163 if (!conn->out) {
4164 /* Set the responder (our side) address type based on
4165 * the advertising address type.
4166 */
4167 conn->resp_addr_type = hdev->adv_addr_type;
4168 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4169 bacpy(&conn->resp_addr, &hdev->random_addr);
4170 else
4171 bacpy(&conn->resp_addr, &hdev->bdaddr);
4172
4173 conn->init_addr_type = ev->bdaddr_type;
4174 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4175
4176 /* For incoming connections, set the default minimum
4177 * and maximum connection interval. They will be used
4178 * to check if the parameters are in range and if not
4179 * trigger the connection update procedure.
4180 */
4181 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4182 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4183 }
7be2edbb 4184
edb4b466
MH		 4185 /* Lookup the identity address from the stored connection
4186 * address and address type.
4187 *
4188 * When establishing connections to an identity address, the
4189 * connection procedure will store the resolvable random
4190 * address first. Now if it can be converted back into the
4191 * identity address, start using the identity address from
4192 * now on.
4193 */
4194 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4195 if (irk) {
4196 bacpy(&conn->dst, &irk->bdaddr);
4197 conn->dst_type = irk->addr_type;
4198 }
4199
2d3c2260
JH		 4200 if (ev->status) {
4201 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4202 goto unlock;
4203 }
4204
08853f18
JH		 4205 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4206 addr_type = BDADDR_LE_PUBLIC;
4207 else
4208 addr_type = BDADDR_LE_RANDOM;
4209
2d3c2260
JH		 4210 /* Drop the connection if the device is blocked */
4211 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4212 hci_conn_drop(conn);
cd17decb
AG		 4213 goto unlock;
4214 }
4215
b644ba33 4216 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4217 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4218 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4219
7b5c0d52 4220 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4221 conn->handle = __le16_to_cpu(ev->handle);
4222 conn->state = BT_CONNECTED;
4223
e04fde60
MH		 4224 conn->le_conn_interval = le16_to_cpu(ev->interval);
4225 conn->le_conn_latency = le16_to_cpu(ev->latency);
4226 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4227
fcd89c09
VT		 4228 hci_conn_add_sysfs(conn);
4229
4230 hci_proto_connect_cfm(conn, ev->status);
4231
5477610f
JH		 4232 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4233 conn->dst_type);
f161dd41 4234 if (params) {
95305baa 4235 list_del_init(&params->action);
f161dd41
JH		 4236 if (params->conn) {
4237 hci_conn_drop(params->conn);
f8aaf9b6 4238 hci_conn_put(params->conn);
f161dd41
JH		 4239 params->conn = NULL;
4240 }
4241 }
a4790dbd 4242
fcd89c09 4243unlock:
223683a5 4244 hci_update_background_scan(hdev);
fcd89c09
VT		 4245 hci_dev_unlock(hdev);
4246}
4247
1855d92d
MH		 4248static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4249 struct sk_buff *skb)
4250{
4251 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4252 struct hci_conn *conn;
4253
4254 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4255
4256 if (ev->status)
4257 return;
4258
4259 hci_dev_lock(hdev);
4260
4261 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4262 if (conn) {
4263 conn->le_conn_interval = le16_to_cpu(ev->interval);
4264 conn->le_conn_latency = le16_to_cpu(ev->latency);
4265 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4266 }
4267
4268 hci_dev_unlock(hdev);
4269}
4270
a4790dbd 4271/* This function requires the caller holds hdev->lock */
7e899c94 4272static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4273 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4274{
4275 struct hci_conn *conn;
4b9e7e75 4276 struct hci_conn_params *params;
a4790dbd 4277
1c1abcab
JH		 4278 /* If the event is not connectable don't proceed further */
4279 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4280 return;
1c1abcab
JH		 4281
4282 /* Ignore if the device is blocked */
dcc36c16 4283 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4284 return;
1c1abcab 4285
f99353cf
JH		 4286 /* Most controller will fail if we try to create new connections
4287 * while we have an existing one in slave role.
4288 */
4289 if (hdev->conn_hash.le_num_slave > 0)
4290 return;
4291
1c1abcab
JH		 4292 /* If we're not connectable only connect devices that we have in
4293 * our pend_le_conns list.
4294 */
4b9e7e75
MH		 4295 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4296 addr, addr_type);
4297 if (!params)
4298 return;
4299
4300 switch (params->auto_connect) {
4301 case HCI_AUTO_CONN_DIRECT:
4302 /* Only devices advertising with ADV_DIRECT_IND are
4303 * triggering a connection attempt. This is allowing
4304 * incoming connections from slave devices.
4305 */
4306 if (adv_type != LE_ADV_DIRECT_IND)
4307 return;
4308 break;
4309 case HCI_AUTO_CONN_ALWAYS:
4310 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4311 * are triggering a connection attempt. This means
4312 * that incoming connectioms from slave device are
4313 * accepted and also outgoing connections to slave
4314 * devices are established when found.
4315 */
4316 break;
4317 default:
7e899c94 4318 return;
4b9e7e75 4319 }
a4790dbd
AG		 4320
4321 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4322 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4323 if (!IS_ERR(conn)) {
4324 /* Store the pointer since we don't really have any
4325 * other owner of the object besides the params that
4326 * triggered it. This way we can abort the connection if
4327 * the parameters get removed and keep the reference
4328 * count consistent once the connection is established.
4329 */
f8aaf9b6 4330 params->conn = hci_conn_get(conn);
7e899c94 4331 return;
f161dd41 4332 }
a4790dbd
AG		 4333
4334 switch (PTR_ERR(conn)) {
4335 case -EBUSY:
4336 /* If hci_connect() returns -EBUSY it means there is already
4337 * an LE connection attempt going on. Since controllers don't
4338 * support more than one connection attempt at the time, we
4339 * don't consider this an error case.
4340 */
4341 break;
4342 default:
4343 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4344 }
4345}
4346
4af605d8
JH		 4347static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4348 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4349{
b9a6328f 4350 struct discovery_state *d = &hdev->discovery;
1c1abcab 4351 struct smp_irk *irk;
474ee066 4352 bool match;
c70a7e4c 4353 u32 flags;
b9a6328f 4354
1c1abcab
JH		 4355 /* Check if we need to convert to identity address */
4356 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4357 if (irk) {
4358 bdaddr = &irk->bdaddr;
4359 bdaddr_type = irk->addr_type;
4360 }
4361
4362 /* Check if we have been requested to connect to this device */
4363 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4364
0d2bf134
JH		 4365 /* Passive scanning shouldn't trigger any device found events,
4366 * except for devices marked as CONN_REPORT for which we do send
4367 * device found events.
4368 */
ca5c4be7 4369 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4370 if (type == LE_ADV_DIRECT_IND)
4371 return;
4372
3a19b6fe
JH		 4373 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4374 bdaddr, bdaddr_type))
0d2bf134
JH		 4375 return;
4376
4377 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4378 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4379 else
4380 flags = 0;
4381 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4382 rssi, flags, data, len, NULL, 0);
97bf2e99 4383 return;
ca5c4be7 4384 }
4af605d8 4385
c70a7e4c
MH		 4386 /* When receiving non-connectable or scannable undirected
4387 * advertising reports, this means that the remote device is
4388 * not connectable and then clearly indicate this in the
4389 * device found event.
4390 *
4391 * When receiving a scan response, then there is no way to
4392 * know if the remote device is connectable or not. However
4393 * since scan responses are merged with a previously seen
4394 * advertising report, the flags field from that report
4395 * will be used.
4396 *
4397 * In the really unlikely case that a controller get confused
4398 * and just sends a scan response event, then it is marked as
4399 * not connectable as well.
4400 */
4401 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4402 type == LE_ADV_SCAN_RSP)
4403 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4404 else
4405 flags = 0;
4406
b9a6328f
JH		 4407 /* If there's nothing pending either store the data from this
4408 * event or send an immediate device found event if the data
4409 * should not be stored for later.
4410 */
4411 if (!has_pending_adv_report(hdev)) {
4412 /* If the report will trigger a SCAN_REQ store it for
4413 * later merging.
4414 */
4415 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4416 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4417 rssi, flags, data, len);
b9a6328f
JH		 4418 return;
4419 }
4420
4421 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4422 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4423 return;
4424 }
4425
474ee066
JH		 4426 /* Check if the pending report is for the same device as the new one */
4427 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4428 bdaddr_type == d->last_adv_addr_type);
4429
b9a6328f
JH		 4430 /* If the pending data doesn't match this report or this isn't a
4431 * scan response (e.g. we got a duplicate ADV_IND) then force
4432 * sending of the pending data.
4433 */
474ee066
JH		 4434 if (type != LE_ADV_SCAN_RSP || !match) {
4435 /* Send out whatever is in the cache, but skip duplicates */
4436 if (!match)
4437 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4438 d->last_adv_addr_type, NULL,
c70a7e4c 4439 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4440 d->last_adv_data,
474ee066 4441 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4442
4443 /* If the new report will trigger a SCAN_REQ store it for
4444 * later merging.
4445 */
4446 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4447 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4448 rssi, flags, data, len);
b9a6328f
JH		 4449 return;
4450 }
4451
4452 /* The advertising reports cannot be merged, so clear
4453 * the pending report and send out a device found event.
4454 */
4455 clear_pending_adv_report(hdev);
5c5b93e4 4456 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4457 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4458 return;
4459 }
4460
4461 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4462 * the new event is a SCAN_RSP. We can therefore proceed with
4463 * sending a merged device found event.
4464 */
4465 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4466 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4467 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4468 clear_pending_adv_report(hdev);
4af605d8
JH		 4469}
4470
6039aa73 4471static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4472{
e95beb41
AG		 4473 u8 num_reports = skb->data[0];
4474 void *ptr = &skb->data[1];
9aa04c91 4475
a4790dbd
AG		 4476 hci_dev_lock(hdev);
4477
e95beb41
AG		 4478 while (num_reports--) {
4479 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4480 s8 rssi;
a4790dbd 4481
3c9e9195 4482 rssi = ev->data[ev->length];
4af605d8
JH		 4483 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4484 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4485
e95beb41 4486 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4487 }
a4790dbd
AG		 4488
4489 hci_dev_unlock(hdev);
9aa04c91
AG		 4490}
4491
6039aa73 4492static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4493{
4494 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4495 struct hci_cp_le_ltk_reply cp;
bea710fe 4496 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4497 struct hci_conn *conn;
c9839a11 4498 struct smp_ltk *ltk;
a7a595f6 4499
9f1db00c 4500 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4501
4502 hci_dev_lock(hdev);
4503
4504 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4505 if (conn == NULL)
4506 goto not_found;
a7a595f6 4507
e804d25d 4508 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4509 if (ltk == NULL)
4510 goto not_found;
4511
4512 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4513 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4514
a6f7833c 4515 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4516
89cbb4da 4517 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4518
4519 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4520
5981a882
CT		 4521 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4522 * temporary key used to encrypt a connection following
4523 * pairing. It is used during the Encrypted Session Setup to
4524 * distribute the keys. Later, security can be re-established
4525 * using a distributed LTK.
4526 */
2ceba539 4527 if (ltk->type == SMP_STK) {
fe59a05f 4528 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4529 list_del(&ltk->list);
4530 kfree(ltk);
fe59a05f
JH		 4531 } else {
4532 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4533 }
4534
a7a595f6 4535 hci_dev_unlock(hdev);
bea710fe
VCG		 4536
4537 return;
4538
4539not_found:
4540 neg.handle = ev->handle;
4541 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4542 hci_dev_unlock(hdev);
a7a595f6
VCG		 4543}
4544
8e75b46a
AG		 4545static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4546 u8 reason)
4547{
4548 struct hci_cp_le_conn_param_req_neg_reply cp;
4549
4550 cp.handle = cpu_to_le16(handle);
4551 cp.reason = reason;
4552
4553 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4554 &cp);
4555}
4556
4557static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4558 struct sk_buff *skb)
4559{
4560 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4561 struct hci_cp_le_conn_param_req_reply cp;
4562 struct hci_conn *hcon;
4563 u16 handle, min, max, latency, timeout;
4564
4565 handle = le16_to_cpu(ev->handle);
4566 min = le16_to_cpu(ev->interval_min);
4567 max = le16_to_cpu(ev->interval_max);
4568 latency = le16_to_cpu(ev->latency);
4569 timeout = le16_to_cpu(ev->timeout);
4570
4571 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4572 if (!hcon || hcon->state != BT_CONNECTED)
4573 return send_conn_param_neg_reply(hdev, handle,
4574 HCI_ERROR_UNKNOWN_CONN_ID);
4575
4576 if (hci_check_conn_params(min, max, latency, timeout))
4577 return send_conn_param_neg_reply(hdev, handle,
4578 HCI_ERROR_INVALID_LL_PARAMS);
4579
40bef302 4580 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4581 struct hci_conn_params *params;
f4869e2a 4582 u8 store_hint;
348d50b8
JH		 4583
4584 hci_dev_lock(hdev);
4585
4586 params = hci_conn_params_lookup(hdev, &hcon->dst,
4587 hcon->dst_type);
4588 if (params) {
4589 params->conn_min_interval = min;
4590 params->conn_max_interval = max;
4591 params->conn_latency = latency;
4592 params->supervision_timeout = timeout;
f4869e2a
JH		 4593 store_hint = 0x01;
4594 } else{
4595 store_hint = 0x00;
348d50b8
JH		 4596 }
4597
4598 hci_dev_unlock(hdev);
4599
f4869e2a
JH		 4600 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4601 store_hint, min, max, latency, timeout);
348d50b8 4602 }
ffb5a827 4603
8e75b46a
AG		 4604 cp.handle = ev->handle;
4605 cp.interval_min = ev->interval_min;
4606 cp.interval_max = ev->interval_max;
4607 cp.latency = ev->latency;
4608 cp.timeout = ev->timeout;
4609 cp.min_ce_len = 0;
4610 cp.max_ce_len = 0;
4611
4612 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4613}
4614
6039aa73 4615static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4616{
4617 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4618
4619 skb_pull(skb, sizeof(*le_ev));
4620
4621 switch (le_ev->subevent) {
4622 case HCI_EV_LE_CONN_COMPLETE:
4623 hci_le_conn_complete_evt(hdev, skb);
4624 break;
4625
1855d92d
MH		 4626 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4627 hci_le_conn_update_complete_evt(hdev, skb);
4628 break;
4629
9aa04c91
AG		 4630 case HCI_EV_LE_ADVERTISING_REPORT:
4631 hci_le_adv_report_evt(hdev, skb);
4632 break;
4633
a7a595f6
VCG		 4634 case HCI_EV_LE_LTK_REQ:
4635 hci_le_ltk_request_evt(hdev, skb);
4636 break;
4637
8e75b46a
AG		 4638 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4639 hci_le_remote_conn_param_req_evt(hdev, skb);
4640 break;
4641
fcd89c09
VT		 4642 default:
4643 break;
4644 }
4645}
4646
9495b2ee
AE		 4647static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4648{
4649 struct hci_ev_channel_selected *ev = (void *) skb->data;
4650 struct hci_conn *hcon;
4651
4652 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4653
4654 skb_pull(skb, sizeof(*ev));
4655
4656 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4657 if (!hcon)
4658 return;
4659
4660 amp_read_loc_assoc_final_data(hdev, hcon);
4661}
4662
a9de9248
MH		 4663void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4664{
4665 struct hci_event_hdr *hdr = (void *) skb->data;
4666 __u8 event = hdr->evt;
4667
b6ddb638
JH		 4668 hci_dev_lock(hdev);
4669
4670 /* Received events are (currently) only needed when a request is
4671 * ongoing so avoid unnecessary memory allocation.
4672 */
899de765 4673 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4674 kfree_skb(hdev->recv_evt);
4675 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4676 }
4677
4678 hci_dev_unlock(hdev);
4679
a9de9248
MH		 4680 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4681
02350a72 4682 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4683 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4684 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4685
4686 hci_req_cmd_complete(hdev, opcode, 0);
4687 }
4688
a9de9248 4689 switch (event) {
1da177e4
LT		 4690 case HCI_EV_INQUIRY_COMPLETE:
4691 hci_inquiry_complete_evt(hdev, skb);
4692 break;
4693
4694 case HCI_EV_INQUIRY_RESULT:
4695 hci_inquiry_result_evt(hdev, skb);
4696 break;
4697
a9de9248
MH		 4698 case HCI_EV_CONN_COMPLETE:
4699 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4700 break;
4701
1da177e4
LT		 4702 case HCI_EV_CONN_REQUEST:
4703 hci_conn_request_evt(hdev, skb);
4704 break;
4705
1da177e4
LT		 4706 case HCI_EV_DISCONN_COMPLETE:
4707 hci_disconn_complete_evt(hdev, skb);
4708 break;
4709
1da177e4
LT		 4710 case HCI_EV_AUTH_COMPLETE:
4711 hci_auth_complete_evt(hdev, skb);
4712 break;
4713
a9de9248
MH		 4714 case HCI_EV_REMOTE_NAME:
4715 hci_remote_name_evt(hdev, skb);
4716 break;
4717
1da177e4
LT		 4718 case HCI_EV_ENCRYPT_CHANGE:
4719 hci_encrypt_change_evt(hdev, skb);
4720 break;
4721
a9de9248
MH		 4722 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4723 hci_change_link_key_complete_evt(hdev, skb);
4724 break;
4725
4726 case HCI_EV_REMOTE_FEATURES:
4727 hci_remote_features_evt(hdev, skb);
4728 break;
4729
a9de9248
MH		 4730 case HCI_EV_CMD_COMPLETE:
4731 hci_cmd_complete_evt(hdev, skb);
4732 break;
4733
4734 case HCI_EV_CMD_STATUS:
4735 hci_cmd_status_evt(hdev, skb);
4736 break;
4737
4738 case HCI_EV_ROLE_CHANGE:
4739 hci_role_change_evt(hdev, skb);
4740 break;
4741
4742 case HCI_EV_NUM_COMP_PKTS:
4743 hci_num_comp_pkts_evt(hdev, skb);
4744 break;
4745
4746 case HCI_EV_MODE_CHANGE:
4747 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4748 break;
4749
4750 case HCI_EV_PIN_CODE_REQ:
4751 hci_pin_code_request_evt(hdev, skb);
4752 break;
4753
4754 case HCI_EV_LINK_KEY_REQ:
4755 hci_link_key_request_evt(hdev, skb);
4756 break;
4757
4758 case HCI_EV_LINK_KEY_NOTIFY:
4759 hci_link_key_notify_evt(hdev, skb);
4760 break;
4761
4762 case HCI_EV_CLOCK_OFFSET:
4763 hci_clock_offset_evt(hdev, skb);
4764 break;
4765
a8746417
MH		 4766 case HCI_EV_PKT_TYPE_CHANGE:
4767 hci_pkt_type_change_evt(hdev, skb);
4768 break;
4769
85a1e930
MH		 4770 case HCI_EV_PSCAN_REP_MODE:
4771 hci_pscan_rep_mode_evt(hdev, skb);
4772 break;
4773
a9de9248
MH		 4774 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4775 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4776 break;
4777
a9de9248
MH		 4778 case HCI_EV_REMOTE_EXT_FEATURES:
4779 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4780 break;
4781
a9de9248
MH		 4782 case HCI_EV_SYNC_CONN_COMPLETE:
4783 hci_sync_conn_complete_evt(hdev, skb);
4784 break;
1da177e4 4785
a9de9248
MH		 4786 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4787 hci_extended_inquiry_result_evt(hdev, skb);
4788 break;
1da177e4 4789
1c2e0041
JH		 4790 case HCI_EV_KEY_REFRESH_COMPLETE:
4791 hci_key_refresh_complete_evt(hdev, skb);
4792 break;
4793
0493684e
MH		 4794 case HCI_EV_IO_CAPA_REQUEST:
4795 hci_io_capa_request_evt(hdev, skb);
4796 break;
4797
03b555e1
JH		 4798 case HCI_EV_IO_CAPA_REPLY:
4799 hci_io_capa_reply_evt(hdev, skb);
4800 break;
4801
a5c29683
JH		 4802 case HCI_EV_USER_CONFIRM_REQUEST:
4803 hci_user_confirm_request_evt(hdev, skb);
4804 break;
4805
1143d458
BG		 4806 case HCI_EV_USER_PASSKEY_REQUEST:
4807 hci_user_passkey_request_evt(hdev, skb);
4808 break;
4809
92a25256
JH		 4810 case HCI_EV_USER_PASSKEY_NOTIFY:
4811 hci_user_passkey_notify_evt(hdev, skb);
4812 break;
4813
4814 case HCI_EV_KEYPRESS_NOTIFY:
4815 hci_keypress_notify_evt(hdev, skb);
4816 break;
4817
0493684e
MH		 4818 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4819 hci_simple_pair_complete_evt(hdev, skb);
4820 break;
4821
41a96212
MH		 4822 case HCI_EV_REMOTE_HOST_FEATURES:
4823 hci_remote_host_features_evt(hdev, skb);
4824 break;
4825
fcd89c09
VT		 4826 case HCI_EV_LE_META:
4827 hci_le_meta_evt(hdev, skb);
4828 break;
4829
9495b2ee
AE		 4830 case HCI_EV_CHANNEL_SELECTED:
4831 hci_chan_selected_evt(hdev, skb);
4832 break;
4833
2763eda6
SJ		 4834 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4835 hci_remote_oob_data_request_evt(hdev, skb);
4836 break;
4837
d5e91192
AE		 4838 case HCI_EV_PHY_LINK_COMPLETE:
4839 hci_phy_link_complete_evt(hdev, skb);
4840 break;
4841
27695fb4
AE		 4842 case HCI_EV_LOGICAL_LINK_COMPLETE:
4843 hci_loglink_complete_evt(hdev, skb);
4844 break;
4845
606e2a10
AE		 4846 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4847 hci_disconn_loglink_complete_evt(hdev, skb);
4848 break;
4849
9eef6b3a
AE		 4850 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4851 hci_disconn_phylink_complete_evt(hdev, skb);
4852 break;
4853
25e89e99
AE		 4854 case HCI_EV_NUM_COMP_BLOCKS:
4855 hci_num_comp_blocks_evt(hdev, skb);
4856 break;
4857
a9de9248 4858 default:
9f1db00c 4859 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4860 break;
4861 }
4862
4863 kfree_skb(skb);
4864 hdev->stat.evt_rx++;
4865}
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