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Bluetooth: Fix always checking the blacklist for incoming connections
[deliverable/linux.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
7024728e 33#include "a2mp.h"
7ef9fbf0 34#include "amp.h"
2ceba539 35#include "smp.h"
1da177e4 36
1da177e4
LT		 37/* Handle HCI Event packets */
38
a9de9248 39static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 40{
a9de9248 41 __u8 status = *((__u8 *) skb->data);
1da177e4 42
9f1db00c 43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 44
82f4785c 45 if (status)
a9de9248 46 return;
1da177e4 47
89352e7d 48 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 51
50143a43
JH		 52 hci_dev_lock(hdev);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
54 hci_dev_unlock(hdev);
55
a9de9248
MH		 56 hci_conn_check_pending(hdev);
57}
6bd57416 58
4d93483b
AG		 59static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
60{
61 __u8 status = *((__u8 *) skb->data);
62
9f1db00c 63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 64
65 if (status)
66 return;
67
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG		 69}
70
a9de9248
MH		 71static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
72{
73 __u8 status = *((__u8 *) skb->data);
6bd57416 74
9f1db00c 75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 76
a9de9248
MH		 77 if (status)
78 return;
1da177e4 79
ae854a70
AG		 80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
81
a9de9248
MH		 82 hci_conn_check_pending(hdev);
83}
84
807deac2
GP		 85static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
86 struct sk_buff *skb)
a9de9248
MH		 87{
88 BT_DBG("%s", hdev->name);
89}
90
91static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
92{
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
95
9f1db00c 96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 97
98 if (rp->status)
99 return;
100
101 hci_dev_lock(hdev);
102
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 104 if (conn)
105 conn->role = rp->role;
a9de9248
MH		 106
107 hci_dev_unlock(hdev);
1da177e4
LT		 108}
109
e4e8e37c
MH		 110static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
111{
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
114
9f1db00c 115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 116
117 if (rp->status)
118 return;
119
120 hci_dev_lock(hdev);
121
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
123 if (conn)
124 conn->link_policy = __le16_to_cpu(rp->policy);
125
126 hci_dev_unlock(hdev);
127}
128
a9de9248 129static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 130{
a9de9248 131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 132 struct hci_conn *conn;
04837f64 133 void *sent;
1da177e4 134
9f1db00c 135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 136
a9de9248
MH		 137 if (rp->status)
138 return;
1da177e4 139
a9de9248
MH		 140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
141 if (!sent)
142 return;
1da177e4 143
a9de9248 144 hci_dev_lock(hdev);
1da177e4 145
a9de9248 146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 147 if (conn)
83985319 148 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 149
a9de9248
MH		 150 hci_dev_unlock(hdev);
151}
1da177e4 152
807deac2
GP		 153static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
154 struct sk_buff *skb)
e4e8e37c
MH		 155{
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
157
9f1db00c 158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 159
160 if (rp->status)
161 return;
162
163 hdev->link_policy = __le16_to_cpu(rp->policy);
164}
165
807deac2
GP		 166static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
167 struct sk_buff *skb)
e4e8e37c
MH		 168{
169 __u8 status = *((__u8 *) skb->data);
170 void *sent;
171
9f1db00c 172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 173
45296acd
MH		 174 if (status)
175 return;
176
e4e8e37c
MH		 177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
178 if (!sent)
179 return;
180
45296acd 181 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 182}
183
a9de9248
MH		 184static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
185{
186 __u8 status = *((__u8 *) skb->data);
04837f64 187
9f1db00c 188 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 189
10572132
GP		 190 clear_bit(HCI_RESET, &hdev->flags);
191
a297e97c 192 /* Reset all non-persistent flags */
2cc6fb00 193 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 194
195 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 196 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
197 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 198
199 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
200 hdev->adv_data_len = 0;
f8e808bd
MH		 201
202 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
203 hdev->scan_rsp_data_len = 0;
06f5b778 204
533553f8
MH		 205 hdev->le_scan_type = LE_SCAN_PASSIVE;
206
06f5b778 207 hdev->ssp_debug_mode = 0;
a9de9248 208}
04837f64 209
a9de9248
MH		 210static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
211{
212 __u8 status = *((__u8 *) skb->data);
213 void *sent;
04837f64 214
9f1db00c 215 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 216
a9de9248
MH		 217 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
218 if (!sent)
219 return;
04837f64 220
56e5cb86
JH		 221 hci_dev_lock(hdev);
222
f51d5b24
JH		 223 if (test_bit(HCI_MGMT, &hdev->dev_flags))
224 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 225 else if (!status)
226 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 227
56e5cb86 228 hci_dev_unlock(hdev);
a9de9248
MH		 229}
230
231static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
232{
233 struct hci_rp_read_local_name *rp = (void *) skb->data;
234
9f1db00c 235 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 236
237 if (rp->status)
238 return;
239
db99b5fc
JH		 240 if (test_bit(HCI_SETUP, &hdev->dev_flags))
241 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 242}
243
244static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
245{
246 __u8 status = *((__u8 *) skb->data);
247 void *sent;
248
9f1db00c 249 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 250
251 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
252 if (!sent)
253 return;
254
255 if (!status) {
256 __u8 param = *((__u8 *) sent);
257
258 if (param == AUTH_ENABLED)
259 set_bit(HCI_AUTH, &hdev->flags);
260 else
261 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 262 }
a9de9248 263
33ef95ed
JH		 264 if (test_bit(HCI_MGMT, &hdev->dev_flags))
265 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 266}
267
a9de9248 268static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 269{
a9de9248 270 __u8 status = *((__u8 *) skb->data);
45296acd 271 __u8 param;
1da177e4
LT		 272 void *sent;
273
9f1db00c 274 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 275
45296acd
MH		 276 if (status)
277 return;
278
a9de9248
MH		 279 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
280 if (!sent)
281 return;
1da177e4 282
45296acd 283 param = *((__u8 *) sent);
a9de9248 284
45296acd
MH		 285 if (param)
286 set_bit(HCI_ENCRYPT, &hdev->flags);
287 else
288 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 289}
1da177e4 290
a9de9248
MH		 291static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
292{
45296acd
MH		 293 __u8 status = *((__u8 *) skb->data);
294 __u8 param;
a9de9248 295 void *sent;
1da177e4 296
9f1db00c 297 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 298
a9de9248
MH		 299 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
300 if (!sent)
301 return;
1da177e4 302
36f7fc7e
JH		 303 param = *((__u8 *) sent);
304
56e5cb86
JH		 305 hci_dev_lock(hdev);
306
fa1bd918 307 if (status) {
2d7cee58
JH		 308 hdev->discov_timeout = 0;
309 goto done;
310 }
311
bc6d2d04 312 if (param & SCAN_INQUIRY)
36f7fc7e 313 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 314 else
315 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 316
031547d8 317 if (param & SCAN_PAGE)
36f7fc7e 318 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04
JH		 319 else
320 clear_bit(HCI_ISCAN, &hdev->flags);
1da177e4 321
36f7fc7e 322done:
56e5cb86 323 hci_dev_unlock(hdev);
a9de9248 324}
1da177e4 325
a9de9248
MH		 326static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
327{
328 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 329
9f1db00c 330 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 331
a9de9248
MH		 332 if (rp->status)
333 return;
1da177e4 334
a9de9248 335 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 336
a9de9248 337 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 338 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 339}
1da177e4 340
a9de9248
MH		 341static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
342{
343 __u8 status = *((__u8 *) skb->data);
344 void *sent;
1da177e4 345
9f1db00c 346 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 347
a9de9248
MH		 348 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
349 if (!sent)
350 return;
1da177e4 351
7f9a903c
MH		 352 hci_dev_lock(hdev);
353
354 if (status == 0)
355 memcpy(hdev->dev_class, sent, 3);
356
357 if (test_bit(HCI_MGMT, &hdev->dev_flags))
358 mgmt_set_class_of_dev_complete(hdev, sent, status);
359
360 hci_dev_unlock(hdev);
a9de9248 361}
1da177e4 362
a9de9248
MH		 363static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
364{
365 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
366 __u16 setting;
367
9f1db00c 368 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 369
370 if (rp->status)
371 return;
372
373 setting = __le16_to_cpu(rp->voice_setting);
374
f383f275 375 if (hdev->voice_setting == setting)
a9de9248
MH		 376 return;
377
378 hdev->voice_setting = setting;
379
9f1db00c 380 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 381
3c54711c 382 if (hdev->notify)
a9de9248 383 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 384}
385
8fc9ced3
GP		 386static void hci_cc_write_voice_setting(struct hci_dev *hdev,
387 struct sk_buff *skb)
a9de9248
MH		 388{
389 __u8 status = *((__u8 *) skb->data);
f383f275 390 __u16 setting;
a9de9248
MH		 391 void *sent;
392
9f1db00c 393 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 394
f383f275
MH		 395 if (status)
396 return;
397
a9de9248
MH		 398 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
399 if (!sent)
400 return;
1da177e4 401
f383f275 402 setting = get_unaligned_le16(sent);
1da177e4 403
f383f275
MH		 404 if (hdev->voice_setting == setting)
405 return;
406
407 hdev->voice_setting = setting;
1da177e4 408
9f1db00c 409 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 410
3c54711c 411 if (hdev->notify)
f383f275 412 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 413}
414
b4cb9fb2
MH		 415static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
416 struct sk_buff *skb)
417{
418 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
419
420 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
421
422 if (rp->status)
423 return;
424
425 hdev->num_iac = rp->num_iac;
426
427 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
428}
429
333140b5
MH		 430static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
431{
432 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 433 struct hci_cp_write_ssp_mode *sent;
333140b5 434
9f1db00c 435 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 436
333140b5
MH		 437 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
438 if (!sent)
439 return;
440
5ed8eb2f
JH		 441 if (!status) {
442 if (sent->mode)
cad718ed 443 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 444 else
cad718ed 445 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 446 }
447
ed2c4ee3 448 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 449 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 450 else if (!status) {
5ed8eb2f 451 if (sent->mode)
c0ecddc2
JH		 452 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
453 else
454 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
455 }
333140b5
MH		 456}
457
eac83dc6
MH		 458static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
459{
460 u8 status = *((u8 *) skb->data);
461 struct hci_cp_write_sc_support *sent;
462
463 BT_DBG("%s status 0x%2.2x", hdev->name, status);
464
465 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
466 if (!sent)
467 return;
468
469 if (!status) {
470 if (sent->support)
471 hdev->features[1][0] |= LMP_HOST_SC;
472 else
473 hdev->features[1][0] &= ~LMP_HOST_SC;
474 }
475
476 if (test_bit(HCI_MGMT, &hdev->dev_flags))
477 mgmt_sc_enable_complete(hdev, sent->support, status);
478 else if (!status) {
479 if (sent->support)
480 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
481 else
482 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
483 }
484}
485
a9de9248
MH		 486static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
487{
488 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 489
9f1db00c 490 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 491
a9de9248 492 if (rp->status)
42c6b129 493 return;
1143e5a6 494
0d5551f5
MH		 495 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
496 hdev->hci_ver = rp->hci_ver;
497 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
498 hdev->lmp_ver = rp->lmp_ver;
499 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
500 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
501 }
d5859e22
JH		 502}
503
8fc9ced3
GP		 504static void hci_cc_read_local_commands(struct hci_dev *hdev,
505 struct sk_buff *skb)
a9de9248
MH		 506{
507 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 508
9f1db00c 509 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 510
6a070e6e
MH		 511 if (rp->status)
512 return;
513
514 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 515 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 516}
1da177e4 517
8fc9ced3
GP		 518static void hci_cc_read_local_features(struct hci_dev *hdev,
519 struct sk_buff *skb)
a9de9248
MH		 520{
521 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 522
9f1db00c 523 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 524
a9de9248
MH		 525 if (rp->status)
526 return;
5b7f9909 527
a9de9248 528 memcpy(hdev->features, rp->features, 8);
5b7f9909 529
a9de9248
MH		 530 /* Adjust default settings according to features
531 * supported by device. */
1da177e4 532
cad718ed 533 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 534 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 535
cad718ed 536 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 537 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 538
cad718ed 539 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 540 hdev->pkt_type |= (HCI_HV2);
541 hdev->esco_type |= (ESCO_HV2);
542 }
1da177e4 543
cad718ed 544 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 545 hdev->pkt_type |= (HCI_HV3);
546 hdev->esco_type |= (ESCO_HV3);
547 }
1da177e4 548
45db810f 549 if (lmp_esco_capable(hdev))
a9de9248 550 hdev->esco_type |= (ESCO_EV3);
da1f5198 551
cad718ed 552 if (hdev->features[0][4] & LMP_EV4)
a9de9248 553 hdev->esco_type |= (ESCO_EV4);
da1f5198 554
cad718ed 555 if (hdev->features[0][4] & LMP_EV5)
a9de9248 556 hdev->esco_type |= (ESCO_EV5);
1da177e4 557
cad718ed 558 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 559 hdev->esco_type |= (ESCO_2EV3);
560
cad718ed 561 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 562 hdev->esco_type |= (ESCO_3EV3);
563
cad718ed 564 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 565 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 566}
1da177e4 567
971e3a4b 568static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 569 struct sk_buff *skb)
971e3a4b
AG		 570{
571 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
572
9f1db00c 573 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 574
575 if (rp->status)
42c6b129 576 return;
971e3a4b 577
57af75a8
MH		 578 if (hdev->max_page < rp->max_page)
579 hdev->max_page = rp->max_page;
d2c5d77f 580
cad718ed
JH		 581 if (rp->page < HCI_MAX_PAGES)
582 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 583}
584
1e89cffb 585static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 586 struct sk_buff *skb)
1e89cffb
AE		 587{
588 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
589
9f1db00c 590 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 591
45296acd
MH		 592 if (rp->status)
593 return;
594
595 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 596}
597
a9de9248
MH		 598static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
599{
600 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 601
9f1db00c 602 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 603
a9de9248
MH		 604 if (rp->status)
605 return;
1da177e4 606
a9de9248
MH		 607 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
608 hdev->sco_mtu = rp->sco_mtu;
609 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
610 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
611
612 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
613 hdev->sco_mtu = 64;
614 hdev->sco_pkts = 8;
1da177e4 615 }
a9de9248
MH		 616
617 hdev->acl_cnt = hdev->acl_pkts;
618 hdev->sco_cnt = hdev->sco_pkts;
619
807deac2
GP		 620 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
621 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 622}
623
624static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
625{
626 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
627
9f1db00c 628 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 629
e30d3f5f
MH		 630 if (rp->status)
631 return;
632
633 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 634 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 635
636 if (test_bit(HCI_SETUP, &hdev->dev_flags))
637 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 638}
639
f332ec66
JH		 640static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
641 struct sk_buff *skb)
642{
643 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
644
645 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
646
45296acd
MH		 647 if (rp->status)
648 return;
649
650 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 651 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
652 hdev->page_scan_window = __le16_to_cpu(rp->window);
653 }
654}
655
4a3ee763
JH		 656static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
657 struct sk_buff *skb)
658{
659 u8 status = *((u8 *) skb->data);
660 struct hci_cp_write_page_scan_activity *sent;
661
662 BT_DBG("%s status 0x%2.2x", hdev->name, status);
663
664 if (status)
665 return;
666
667 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
668 if (!sent)
669 return;
670
671 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
672 hdev->page_scan_window = __le16_to_cpu(sent->window);
673}
674
f332ec66
JH		 675static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
676 struct sk_buff *skb)
677{
678 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
679
680 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
681
45296acd
MH		 682 if (rp->status)
683 return;
684
685 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 686 hdev->page_scan_type = rp->type;
687}
688
4a3ee763
JH		 689static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
690 struct sk_buff *skb)
691{
692 u8 status = *((u8 *) skb->data);
693 u8 *type;
694
695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
696
697 if (status)
698 return;
699
700 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
701 if (type)
702 hdev->page_scan_type = *type;
703}
704
350ee4cf 705static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 706 struct sk_buff *skb)
350ee4cf
AE		 707{
708 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
709
9f1db00c 710 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 711
712 if (rp->status)
713 return;
714
715 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
716 hdev->block_len = __le16_to_cpu(rp->block_len);
717 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
718
719 hdev->block_cnt = hdev->num_blocks;
720
721 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 722 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 723}
724
33f35721
JH		 725static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
726{
727 struct hci_rp_read_clock *rp = (void *) skb->data;
728 struct hci_cp_read_clock *cp;
729 struct hci_conn *conn;
730
731 BT_DBG("%s", hdev->name);
732
733 if (skb->len < sizeof(*rp))
734 return;
735
736 if (rp->status)
737 return;
738
739 hci_dev_lock(hdev);
740
741 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
742 if (!cp)
743 goto unlock;
744
745 if (cp->which == 0x00) {
746 hdev->clock = le32_to_cpu(rp->clock);
747 goto unlock;
748 }
749
750 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
751 if (conn) {
752 conn->clock = le32_to_cpu(rp->clock);
753 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
754 }
755
756unlock:
757 hci_dev_unlock(hdev);
758}
759
928abaa7 760static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 761 struct sk_buff *skb)
928abaa7
AE		 762{
763 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
764
9f1db00c 765 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 766
767 if (rp->status)
8e2a0d92 768 goto a2mp_rsp;
928abaa7
AE		 769
770 hdev->amp_status = rp->amp_status;
771 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
772 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
773 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
774 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
775 hdev->amp_type = rp->amp_type;
776 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
777 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
778 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
779 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
780
8e2a0d92
AE		 781a2mp_rsp:
782 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 783}
784
903e4541
AE		 785static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
786 struct sk_buff *skb)
787{
788 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
789 struct amp_assoc *assoc = &hdev->loc_assoc;
790 size_t rem_len, frag_len;
791
792 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
793
794 if (rp->status)
795 goto a2mp_rsp;
796
797 frag_len = skb->len - sizeof(*rp);
798 rem_len = __le16_to_cpu(rp->rem_len);
799
800 if (rem_len > frag_len) {
2e430be3 801 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 802
803 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
804 assoc->offset += frag_len;
805
806 /* Read other fragments */
807 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
808
809 return;
810 }
811
812 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
813 assoc->len = assoc->offset + rem_len;
814 assoc->offset = 0;
815
816a2mp_rsp:
817 /* Send A2MP Rsp when all fragments are received */
818 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 819 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 820}
821
d5859e22 822static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 823 struct sk_buff *skb)
d5859e22 824{
91c4e9b1 825 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 826
9f1db00c 827 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 828
45296acd
MH		 829 if (rp->status)
830 return;
831
832 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 833}
834
980e1a53
JH		 835static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
836{
837 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
838 struct hci_cp_pin_code_reply *cp;
839 struct hci_conn *conn;
840
9f1db00c 841 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 842
56e5cb86
JH		 843 hci_dev_lock(hdev);
844
a8b2d5c2 845 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 846 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 847
fa1bd918 848 if (rp->status)
56e5cb86 849 goto unlock;
980e1a53
JH		 850
851 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
852 if (!cp)
56e5cb86 853 goto unlock;
980e1a53
JH		 854
855 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
856 if (conn)
857 conn->pin_length = cp->pin_len;
56e5cb86
JH		 858
859unlock:
860 hci_dev_unlock(hdev);
980e1a53
JH		 861}
862
863static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
864{
865 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
866
9f1db00c 867 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 868
56e5cb86
JH		 869 hci_dev_lock(hdev);
870
a8b2d5c2 871 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 872 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 873 rp->status);
56e5cb86
JH		 874
875 hci_dev_unlock(hdev);
980e1a53 876}
56e5cb86 877
6ed58ec5
VT		 878static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
879 struct sk_buff *skb)
880{
881 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
882
9f1db00c 883 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 884
885 if (rp->status)
886 return;
887
888 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
889 hdev->le_pkts = rp->le_max_pkt;
890
891 hdev->le_cnt = hdev->le_pkts;
892
893 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 894}
980e1a53 895
60e77321
JH		 896static void hci_cc_le_read_local_features(struct hci_dev *hdev,
897 struct sk_buff *skb)
898{
899 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
900
901 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
902
45296acd
MH		 903 if (rp->status)
904 return;
905
906 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 907}
908
8fa19098
JH		 909static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
910 struct sk_buff *skb)
911{
912 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
913
914 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
915
45296acd
MH		 916 if (rp->status)
917 return;
918
919 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 920}
921
a5c29683
JH		 922static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
923{
924 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
925
9f1db00c 926 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 927
56e5cb86
JH		 928 hci_dev_lock(hdev);
929
a8b2d5c2 930 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 931 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
932 rp->status);
56e5cb86
JH		 933
934 hci_dev_unlock(hdev);
a5c29683
JH		 935}
936
937static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 938 struct sk_buff *skb)
a5c29683
JH		 939{
940 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
941
9f1db00c 942 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 943
56e5cb86
JH		 944 hci_dev_lock(hdev);
945
a8b2d5c2 946 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 947 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 948 ACL_LINK, 0, rp->status);
56e5cb86
JH		 949
950 hci_dev_unlock(hdev);
a5c29683
JH		 951}
952
1143d458
BG		 953static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
954{
955 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
956
9f1db00c 957 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 958
959 hci_dev_lock(hdev);
960
a8b2d5c2 961 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 962 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 963 0, rp->status);
1143d458
BG		 964
965 hci_dev_unlock(hdev);
966}
967
968static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 969 struct sk_buff *skb)
1143d458
BG		 970{
971 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
972
9f1db00c 973 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 974
975 hci_dev_lock(hdev);
976
a8b2d5c2 977 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 978 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 979 ACL_LINK, 0, rp->status);
1143d458
BG		 980
981 hci_dev_unlock(hdev);
982}
983
4d2d2796
MH		 984static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
985 struct sk_buff *skb)
c35938b2
SJ		 986{
987 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
988
9f1db00c 989 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 990
56e5cb86 991 hci_dev_lock(hdev);
4d2d2796
MH		 992 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
993 NULL, NULL, rp->status);
994 hci_dev_unlock(hdev);
995}
996
997static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
998 struct sk_buff *skb)
999{
1000 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1001
1002 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1003
1004 hci_dev_lock(hdev);
1005 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1006 rp->hash256, rp->randomizer256,
1007 rp->status);
56e5cb86 1008 hci_dev_unlock(hdev);
c35938b2
SJ		 1009}
1010
7a4cd51d
MH		 1011
1012static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1013{
1014 __u8 status = *((__u8 *) skb->data);
1015 bdaddr_t *sent;
1016
1017 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1018
45296acd
MH		 1019 if (status)
1020 return;
1021
7a4cd51d
MH		 1022 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1023 if (!sent)
1024 return;
1025
1026 hci_dev_lock(hdev);
1027
45296acd 1028 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1029
1030 hci_dev_unlock(hdev);
1031}
1032
c1d5dc4a
JH		 1033static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1034{
1035 __u8 *sent, status = *((__u8 *) skb->data);
1036
1037 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1038
45296acd 1039 if (status)
c1d5dc4a
JH		 1040 return;
1041
45296acd
MH		 1042 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1043 if (!sent)
3c857757
JH		 1044 return;
1045
c1d5dc4a
JH		 1046 hci_dev_lock(hdev);
1047
3c857757
JH		 1048 /* If we're doing connection initation as peripheral. Set a
1049 * timeout in case something goes wrong.
1050 */
1051 if (*sent) {
1052 struct hci_conn *conn;
1053
66c417c1
JH		 1054 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1055
3c857757
JH		 1056 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1057 if (conn)
1058 queue_delayed_work(hdev->workqueue,
1059 &conn->le_conn_timeout,
09ae260b 1060 conn->conn_timeout);
66c417c1
JH		 1061 } else {
1062 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1063 }
1064
04b4edcb 1065 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1066}
1067
533553f8
MH		 1068static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1069{
1070 struct hci_cp_le_set_scan_param *cp;
1071 __u8 status = *((__u8 *) skb->data);
1072
1073 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1074
45296acd
MH		 1075 if (status)
1076 return;
1077
533553f8
MH		 1078 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1079 if (!cp)
1080 return;
1081
1082 hci_dev_lock(hdev);
1083
45296acd 1084 hdev->le_scan_type = cp->type;
533553f8
MH		 1085
1086 hci_dev_unlock(hdev);
1087}
1088
b9a6328f
JH		 1089static bool has_pending_adv_report(struct hci_dev *hdev)
1090{
1091 struct discovery_state *d = &hdev->discovery;
1092
1093 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1094}
1095
1096static void clear_pending_adv_report(struct hci_dev *hdev)
1097{
1098 struct discovery_state *d = &hdev->discovery;
1099
1100 bacpy(&d->last_adv_addr, BDADDR_ANY);
1101 d->last_adv_data_len = 0;
1102}
1103
1104static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1105 u8 bdaddr_type, s8 rssi, u32 flags,
1106 u8 *data, u8 len)
b9a6328f
JH		 1107{
1108 struct discovery_state *d = &hdev->discovery;
1109
1110 bacpy(&d->last_adv_addr, bdaddr);
1111 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1112 d->last_adv_rssi = rssi;
c70a7e4c 1113 d->last_adv_flags = flags;
b9a6328f
JH		 1114 memcpy(d->last_adv_data, data, len);
1115 d->last_adv_data_len = len;
1116}
1117
eb9d91f5 1118static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1119 struct sk_buff *skb)
eb9d91f5
AG		 1120{
1121 struct hci_cp_le_set_scan_enable *cp;
1122 __u8 status = *((__u8 *) skb->data);
1123
9f1db00c 1124 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1125
45296acd 1126 if (status)
eb9d91f5
AG		 1127 return;
1128
45296acd
MH		 1129 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1130 if (!cp)
3fd319b8
AG		 1131 return;
1132
68a8aea4 1133 switch (cp->enable) {
76a388be 1134 case LE_SCAN_ENABLE:
d23264a8 1135 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1136 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1137 clear_pending_adv_report(hdev);
68a8aea4
AE		 1138 break;
1139
76a388be 1140 case LE_SCAN_DISABLE:
b9a6328f
JH		 1141 /* We do this here instead of when setting DISCOVERY_STOPPED
1142 * since the latter would potentially require waiting for
1143 * inquiry to stop too.
1144 */
1145 if (has_pending_adv_report(hdev)) {
1146 struct discovery_state *d = &hdev->discovery;
1147
1148 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1149 d->last_adv_addr_type, NULL,
c70a7e4c 1150 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1151 d->last_adv_data,
b9a6328f
JH		 1152 d->last_adv_data_len, NULL, 0);
1153 }
1154
317ac8cb
JH		 1155 /* Cancel this timer so that we don't try to disable scanning
1156 * when it's already disabled.
1157 */
1158 cancel_delayed_work(&hdev->le_scan_disable);
1159
d23264a8 1160 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1161
81ad6fd9
JH		 1162 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1163 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1164 * therefore discovery as stopped. If this was not
1165 * because of a connect request advertising might have
1166 * been disabled because of active scanning, so
1167 * re-enable it again if necessary.
81ad6fd9
JH		 1168 */
1169 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1170 &hdev->dev_flags))
1171 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1172 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1173 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1174 mgmt_reenable_advertising(hdev);
1175
68a8aea4
AE		 1176 break;
1177
1178 default:
1179 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1180 break;
35815085 1181 }
eb9d91f5
AG		 1182}
1183
cf1d081f
JH		 1184static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1185 struct sk_buff *skb)
1186{
1187 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1188
1189 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1190
45296acd
MH		 1191 if (rp->status)
1192 return;
1193
1194 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1195}
1196
0f36b589
MH		 1197static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1198 struct sk_buff *skb)
1199{
1200 __u8 status = *((__u8 *) skb->data);
1201
1202 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1203
45296acd
MH		 1204 if (status)
1205 return;
1206
dcc36c16 1207 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1208}
1209
1210static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1211 struct sk_buff *skb)
1212{
1213 struct hci_cp_le_add_to_white_list *sent;
1214 __u8 status = *((__u8 *) skb->data);
1215
1216 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1217
45296acd
MH		 1218 if (status)
1219 return;
1220
0f36b589
MH		 1221 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1222 if (!sent)
1223 return;
1224
dcc36c16
JH		 1225 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1226 sent->bdaddr_type);
0f36b589
MH		 1227}
1228
1229static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1230 struct sk_buff *skb)
1231{
1232 struct hci_cp_le_del_from_white_list *sent;
1233 __u8 status = *((__u8 *) skb->data);
1234
1235 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1236
45296acd
MH		 1237 if (status)
1238 return;
1239
0f36b589
MH		 1240 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1241 if (!sent)
1242 return;
1243
dcc36c16
JH		 1244 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1245 sent->bdaddr_type);
0f36b589
MH		 1246}
1247
9b008c04
JH		 1248static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1249 struct sk_buff *skb)
1250{
1251 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1252
1253 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1254
45296acd
MH		 1255 if (rp->status)
1256 return;
1257
1258 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1259}
1260
6039aa73
GP		 1261static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1262 struct sk_buff *skb)
f9b49306 1263{
06199cf8 1264 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1265 __u8 status = *((__u8 *) skb->data);
1266
9f1db00c 1267 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1268
45296acd
MH		 1269 if (status)
1270 return;
1271
06199cf8 1272 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1273 if (!sent)
f9b49306
AG		 1274 return;
1275
45296acd
MH		 1276 if (sent->le) {
1277 hdev->features[1][0] |= LMP_HOST_LE;
1278 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1279 } else {
1280 hdev->features[1][0] &= ~LMP_HOST_LE;
1281 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1282 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1283 }
45296acd
MH		 1284
1285 if (sent->simul)
1286 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1287 else
1288 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1289}
1290
56ed2cb8
JH		 1291static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1292{
1293 struct hci_cp_le_set_adv_param *cp;
1294 u8 status = *((u8 *) skb->data);
1295
1296 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1297
1298 if (status)
1299 return;
1300
1301 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1302 if (!cp)
1303 return;
1304
1305 hci_dev_lock(hdev);
1306 hdev->adv_addr_type = cp->own_address_type;
1307 hci_dev_unlock(hdev);
1308}
1309
93c284ee
AE		 1310static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1311 struct sk_buff *skb)
1312{
1313 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1314
1315 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1316 hdev->name, rp->status, rp->phy_handle);
1317
1318 if (rp->status)
1319 return;
1320
1321 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1322}
1323
5ae76a94
AK		 1324static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1325{
1326 struct hci_rp_read_rssi *rp = (void *) skb->data;
1327 struct hci_conn *conn;
1328
1329 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1330
1331 if (rp->status)
1332 return;
1333
1334 hci_dev_lock(hdev);
1335
1336 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1337 if (conn)
1338 conn->rssi = rp->rssi;
1339
1340 hci_dev_unlock(hdev);
1341}
1342
5a134fae
AK		 1343static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1344{
1345 struct hci_cp_read_tx_power *sent;
1346 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1347 struct hci_conn *conn;
1348
1349 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1350
1351 if (rp->status)
1352 return;
1353
1354 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1355 if (!sent)
1356 return;
1357
1358 hci_dev_lock(hdev);
1359
1360 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1361 if (!conn)
1362 goto unlock;
1363
1364 switch (sent->type) {
1365 case 0x00:
5a134fae 1366 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1367 break;
1368 case 0x01:
1369 conn->max_tx_power = rp->tx_power;
1370 break;
1371 }
5a134fae 1372
d0455ed9 1373unlock:
5a134fae
AK		 1374 hci_dev_unlock(hdev);
1375}
1376
6039aa73 1377static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1378{
9f1db00c 1379 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1380
1381 if (status) {
a9de9248 1382 hci_conn_check_pending(hdev);
314b2381
JH		 1383 return;
1384 }
1385
89352e7d 1386 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1387}
1388
6039aa73 1389static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1390{
a9de9248 1391 struct hci_cp_create_conn *cp;
1da177e4 1392 struct hci_conn *conn;
1da177e4 1393
9f1db00c 1394 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1395
1396 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1397 if (!cp)
1398 return;
1399
1400 hci_dev_lock(hdev);
1401
1402 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1403
6ed93dc6 1404 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1405
1406 if (status) {
1407 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1408 if (status != 0x0c || conn->attempt > 2) {
1409 conn->state = BT_CLOSED;
1410 hci_proto_connect_cfm(conn, status);
1411 hci_conn_del(conn);
1412 } else
1413 conn->state = BT_CONNECT2;
1da177e4
LT		 1414 }
1415 } else {
1416 if (!conn) {
a5c4e309
JH		 1417 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1418 HCI_ROLE_MASTER);
1419 if (!conn)
893ef971 1420 BT_ERR("No memory for new connection");
1da177e4
LT		 1421 }
1422 }
1423
1424 hci_dev_unlock(hdev);
1425}
1426
a9de9248 1427static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1428{
a9de9248
MH		 1429 struct hci_cp_add_sco *cp;
1430 struct hci_conn *acl, *sco;
1431 __u16 handle;
1da177e4 1432
9f1db00c 1433 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1434
a9de9248
MH		 1435 if (!status)
1436 return;
1da177e4 1437
a9de9248
MH		 1438 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1439 if (!cp)
1440 return;
1da177e4 1441
a9de9248 1442 handle = __le16_to_cpu(cp->handle);
1da177e4 1443
9f1db00c 1444 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1445
a9de9248 1446 hci_dev_lock(hdev);
1da177e4 1447
a9de9248 1448 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1449 if (acl) {
1450 sco = acl->link;
1451 if (sco) {
1452 sco->state = BT_CLOSED;
1da177e4 1453
5a08ecce
AE		 1454 hci_proto_connect_cfm(sco, status);
1455 hci_conn_del(sco);
1456 }
a9de9248 1457 }
1da177e4 1458
a9de9248
MH		 1459 hci_dev_unlock(hdev);
1460}
1da177e4 1461
f8558555
MH		 1462static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1463{
1464 struct hci_cp_auth_requested *cp;
1465 struct hci_conn *conn;
1466
9f1db00c 1467 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1468
1469 if (!status)
1470 return;
1471
1472 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1473 if (!cp)
1474 return;
1475
1476 hci_dev_lock(hdev);
1477
1478 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1479 if (conn) {
1480 if (conn->state == BT_CONFIG) {
1481 hci_proto_connect_cfm(conn, status);
76a68ba0 1482 hci_conn_drop(conn);
f8558555
MH		 1483 }
1484 }
1485
1486 hci_dev_unlock(hdev);
1487}
1488
1489static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1490{
1491 struct hci_cp_set_conn_encrypt *cp;
1492 struct hci_conn *conn;
1493
9f1db00c 1494 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1495
1496 if (!status)
1497 return;
1498
1499 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1500 if (!cp)
1501 return;
1502
1503 hci_dev_lock(hdev);
1504
1505 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1506 if (conn) {
1507 if (conn->state == BT_CONFIG) {
1508 hci_proto_connect_cfm(conn, status);
76a68ba0 1509 hci_conn_drop(conn);
f8558555
MH		 1510 }
1511 }
1512
1513 hci_dev_unlock(hdev);
1514}
1515
127178d2 1516static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1517 struct hci_conn *conn)
392599b9 1518{
392599b9
JH		 1519 if (conn->state != BT_CONFIG || !conn->out)
1520 return 0;
1521
765c2a96 1522 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1523 return 0;
1524
1525 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1526 * devices with sec_level MEDIUM or HIGH or if MITM protection
1527 * is requested.
1528 */
807deac2 1529 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1530 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1531 conn->pending_sec_level != BT_SECURITY_HIGH &&
1532 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1533 return 0;
1534
392599b9
JH		 1535 return 1;
1536}
1537
6039aa73 1538static int hci_resolve_name(struct hci_dev *hdev,
04124681 1539 struct inquiry_entry *e)
30dc78e1
JH		 1540{
1541 struct hci_cp_remote_name_req cp;
1542
1543 memset(&cp, 0, sizeof(cp));
1544
1545 bacpy(&cp.bdaddr, &e->data.bdaddr);
1546 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1547 cp.pscan_mode = e->data.pscan_mode;
1548 cp.clock_offset = e->data.clock_offset;
1549
1550 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1551}
1552
b644ba33 1553static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1554{
1555 struct discovery_state *discov = &hdev->discovery;
1556 struct inquiry_entry *e;
1557
b644ba33
JH		 1558 if (list_empty(&discov->resolve))
1559 return false;
1560
1561 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1562 if (!e)
1563 return false;
1564
b644ba33
JH		 1565 if (hci_resolve_name(hdev, e) == 0) {
1566 e->name_state = NAME_PENDING;
1567 return true;
1568 }
1569
1570 return false;
1571}
1572
1573static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1574 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1575{
1576 struct discovery_state *discov = &hdev->discovery;
1577 struct inquiry_entry *e;
1578
1579 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP		 1580 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1581 name_len, conn->dev_class);
b644ba33
JH		 1582
1583 if (discov->state == DISCOVERY_STOPPED)
1584 return;
1585
30dc78e1
JH		 1586 if (discov->state == DISCOVERY_STOPPING)
1587 goto discov_complete;
1588
1589 if (discov->state != DISCOVERY_RESOLVING)
1590 return;
1591
1592 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1593 /* If the device was not found in a list of found devices names of which
1594 * are pending. there is no need to continue resolving a next name as it
1595 * will be done upon receiving another Remote Name Request Complete
1596 * Event */
1597 if (!e)
1598 return;
1599
1600 list_del(&e->list);
1601 if (name) {
30dc78e1 1602 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1603 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1604 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1605 } else {
1606 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1607 }
1608
b644ba33 1609 if (hci_resolve_next_name(hdev))
30dc78e1 1610 return;
30dc78e1
JH		 1611
1612discov_complete:
1613 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1614}
1615
a9de9248
MH		 1616static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1617{
127178d2
JH		 1618 struct hci_cp_remote_name_req *cp;
1619 struct hci_conn *conn;
1620
9f1db00c 1621 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1622
1623 /* If successful wait for the name req complete event before
1624 * checking for the need to do authentication */
1625 if (!status)
1626 return;
1627
1628 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1629 if (!cp)
1630 return;
1631
1632 hci_dev_lock(hdev);
1633
b644ba33
JH		 1634 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1635
a8b2d5c2 1636 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1637 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1638
79c6c70c
JH		 1639 if (!conn)
1640 goto unlock;
1641
1642 if (!hci_outgoing_auth_needed(hdev, conn))
1643 goto unlock;
1644
51a8efd7 1645 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1646 struct hci_cp_auth_requested auth_cp;
1647
1648 auth_cp.handle = __cpu_to_le16(conn->handle);
1649 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1650 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1651 }
1652
79c6c70c 1653unlock:
127178d2 1654 hci_dev_unlock(hdev);
a9de9248 1655}
1da177e4 1656
769be974
MH		 1657static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1658{
1659 struct hci_cp_read_remote_features *cp;
1660 struct hci_conn *conn;
1661
9f1db00c 1662 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1663
1664 if (!status)
1665 return;
1666
1667 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1668 if (!cp)
1669 return;
1670
1671 hci_dev_lock(hdev);
1672
1673 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1674 if (conn) {
1675 if (conn->state == BT_CONFIG) {
769be974 1676 hci_proto_connect_cfm(conn, status);
76a68ba0 1677 hci_conn_drop(conn);
769be974
MH		 1678 }
1679 }
1680
1681 hci_dev_unlock(hdev);
1682}
1683
1684static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1685{
1686 struct hci_cp_read_remote_ext_features *cp;
1687 struct hci_conn *conn;
1688
9f1db00c 1689 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1690
1691 if (!status)
1692 return;
1693
1694 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1695 if (!cp)
1696 return;
1697
1698 hci_dev_lock(hdev);
1699
1700 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1701 if (conn) {
1702 if (conn->state == BT_CONFIG) {
769be974 1703 hci_proto_connect_cfm(conn, status);
76a68ba0 1704 hci_conn_drop(conn);
769be974
MH		 1705 }
1706 }
1707
1708 hci_dev_unlock(hdev);
1709}
1710
a9de9248
MH		 1711static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1712{
b6a0dc82
MH		 1713 struct hci_cp_setup_sync_conn *cp;
1714 struct hci_conn *acl, *sco;
1715 __u16 handle;
1716
9f1db00c 1717 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1718
1719 if (!status)
1720 return;
1721
1722 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1723 if (!cp)
1724 return;
1725
1726 handle = __le16_to_cpu(cp->handle);
1727
9f1db00c 1728 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1729
1730 hci_dev_lock(hdev);
1731
1732 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1733 if (acl) {
1734 sco = acl->link;
1735 if (sco) {
1736 sco->state = BT_CLOSED;
b6a0dc82 1737
5a08ecce
AE		 1738 hci_proto_connect_cfm(sco, status);
1739 hci_conn_del(sco);
1740 }
b6a0dc82
MH		 1741 }
1742
1743 hci_dev_unlock(hdev);
1da177e4
LT		 1744}
1745
a9de9248 1746static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1747{
a9de9248
MH		 1748 struct hci_cp_sniff_mode *cp;
1749 struct hci_conn *conn;
1da177e4 1750
9f1db00c 1751 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1752
a9de9248
MH		 1753 if (!status)
1754 return;
04837f64 1755
a9de9248
MH		 1756 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1757 if (!cp)
1758 return;
04837f64 1759
a9de9248 1760 hci_dev_lock(hdev);
04837f64 1761
a9de9248 1762 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1763 if (conn) {
51a8efd7 1764 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1765
51a8efd7 1766 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1767 hci_sco_setup(conn, status);
1768 }
1769
a9de9248
MH		 1770 hci_dev_unlock(hdev);
1771}
04837f64 1772
a9de9248
MH		 1773static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1774{
1775 struct hci_cp_exit_sniff_mode *cp;
1776 struct hci_conn *conn;
04837f64 1777
9f1db00c 1778 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1779
a9de9248
MH		 1780 if (!status)
1781 return;
04837f64 1782
a9de9248
MH		 1783 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1784 if (!cp)
1785 return;
04837f64 1786
a9de9248 1787 hci_dev_lock(hdev);
1da177e4 1788
a9de9248 1789 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1790 if (conn) {
51a8efd7 1791 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1792
51a8efd7 1793 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1794 hci_sco_setup(conn, status);
1795 }
1796
a9de9248 1797 hci_dev_unlock(hdev);
1da177e4
LT		 1798}
1799
88c3df13
JH		 1800static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1801{
1802 struct hci_cp_disconnect *cp;
1803 struct hci_conn *conn;
1804
1805 if (!status)
1806 return;
1807
1808 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1809 if (!cp)
1810 return;
1811
1812 hci_dev_lock(hdev);
1813
1814 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1815 if (conn)
1816 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1817 conn->dst_type, status);
88c3df13
JH		 1818
1819 hci_dev_unlock(hdev);
1820}
1821
a02226d6
AE		 1822static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1823{
93c284ee
AE		 1824 struct hci_cp_create_phy_link *cp;
1825
a02226d6 1826 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1827
93c284ee
AE		 1828 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1829 if (!cp)
1830 return;
1831
e58917b9
AE		 1832 hci_dev_lock(hdev);
1833
1834 if (status) {
1835 struct hci_conn *hcon;
1836
1837 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1838 if (hcon)
1839 hci_conn_del(hcon);
1840 } else {
1841 amp_write_remote_assoc(hdev, cp->phy_handle);
1842 }
1843
1844 hci_dev_unlock(hdev);
a02226d6
AE		 1845}
1846
0b26ab9d
AE		 1847static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1848{
1849 struct hci_cp_accept_phy_link *cp;
1850
1851 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1852
1853 if (status)
1854 return;
1855
1856 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1857 if (!cp)
1858 return;
1859
1860 amp_write_remote_assoc(hdev, cp->phy_handle);
1861}
1862
cb1d68f7
JH		 1863static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1864{
1865 struct hci_cp_le_create_conn *cp;
1866 struct hci_conn *conn;
1867
1868 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1869
1870 /* All connection failure handling is taken care of by the
1871 * hci_le_conn_failed function which is triggered by the HCI
1872 * request completion callbacks used for connecting.
1873 */
1874 if (status)
1875 return;
1876
1877 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1878 if (!cp)
1879 return;
1880
1881 hci_dev_lock(hdev);
1882
1883 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1884 if (!conn)
1885 goto unlock;
1886
1887 /* Store the initiator and responder address information which
1888 * is needed for SMP. These values will not change during the
1889 * lifetime of the connection.
1890 */
1891 conn->init_addr_type = cp->own_address_type;
1892 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1893 bacpy(&conn->init_addr, &hdev->random_addr);
1894 else
1895 bacpy(&conn->init_addr, &hdev->bdaddr);
1896
1897 conn->resp_addr_type = cp->peer_addr_type;
1898 bacpy(&conn->resp_addr, &cp->peer_addr);
1899
9489eca4
JH		 1900 /* We don't want the connection attempt to stick around
1901 * indefinitely since LE doesn't have a page timeout concept
1902 * like BR/EDR. Set a timer for any connection that doesn't use
1903 * the white list for connecting.
1904 */
1905 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1906 queue_delayed_work(conn->hdev->workqueue,
1907 &conn->le_conn_timeout,
09ae260b 1908 conn->conn_timeout);
9489eca4 1909
cb1d68f7
JH		 1910unlock:
1911 hci_dev_unlock(hdev);
1912}
1913
81d0c8ad
JH		 1914static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1915{
1916 struct hci_cp_le_start_enc *cp;
1917 struct hci_conn *conn;
1918
1919 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1920
1921 if (!status)
1922 return;
1923
1924 hci_dev_lock(hdev);
1925
1926 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1927 if (!cp)
1928 goto unlock;
1929
1930 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1931 if (!conn)
1932 goto unlock;
1933
1934 if (conn->state != BT_CONNECTED)
1935 goto unlock;
1936
1937 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1938 hci_conn_drop(conn);
1939
1940unlock:
1941 hci_dev_unlock(hdev);
1942}
1943
6039aa73 1944static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1945{
1946 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1947 struct discovery_state *discov = &hdev->discovery;
1948 struct inquiry_entry *e;
1da177e4 1949
9f1db00c 1950 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1951
a9de9248 1952 hci_conn_check_pending(hdev);
89352e7d
AG		 1953
1954 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1955 return;
1956
4e857c58 1957 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1958 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1959
a8b2d5c2 1960 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1961 return;
1962
56e5cb86 1963 hci_dev_lock(hdev);
30dc78e1 1964
343f935b 1965 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1966 goto unlock;
1967
1968 if (list_empty(&discov->resolve)) {
1969 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1970 goto unlock;
1971 }
1972
1973 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1974 if (e && hci_resolve_name(hdev, e) == 0) {
1975 e->name_state = NAME_PENDING;
1976 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1977 } else {
1978 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1979 }
1980
1981unlock:
56e5cb86 1982 hci_dev_unlock(hdev);
1da177e4
LT		 1983}
1984
6039aa73 1985static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1986{
45bb4bf0 1987 struct inquiry_data data;
a9de9248 1988 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1989 int num_rsp = *((__u8 *) skb->data);
1990
1991 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1992
45bb4bf0
MH		 1993 if (!num_rsp)
1994 return;
1995
1519cc17
AG		 1996 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1997 return;
1998
1da177e4 1999 hci_dev_lock(hdev);
45bb4bf0 2000
e17acd40 2001 for (; num_rsp; num_rsp--, info++) {
af58925c 2002 u32 flags;
3175405b 2003
1da177e4
LT		 2004 bacpy(&data.bdaddr, &info->bdaddr);
2005 data.pscan_rep_mode = info->pscan_rep_mode;
2006 data.pscan_period_mode = info->pscan_period_mode;
2007 data.pscan_mode = info->pscan_mode;
2008 memcpy(data.dev_class, info->dev_class, 3);
2009 data.clock_offset = info->clock_offset;
2010 data.rssi = 0x00;
41a96212 2011 data.ssp_mode = 0x00;
3175405b 2012
af58925c
MH		 2013 flags = hci_inquiry_cache_update(hdev, &data, false);
2014
48264f06 2015 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2016 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2017 }
45bb4bf0 2018
1da177e4
LT		 2019 hci_dev_unlock(hdev);
2020}
2021
6039aa73 2022static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2023{
a9de9248
MH		 2024 struct hci_ev_conn_complete *ev = (void *) skb->data;
2025 struct hci_conn *conn;
1da177e4
LT		 2026
2027 BT_DBG("%s", hdev->name);
2028
2029 hci_dev_lock(hdev);
2030
2031 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2032 if (!conn) {
2033 if (ev->link_type != SCO_LINK)
2034 goto unlock;
2035
2036 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2037 if (!conn)
2038 goto unlock;
2039
2040 conn->type = SCO_LINK;
2041 }
1da177e4
LT		 2042
2043 if (!ev->status) {
2044 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2045
2046 if (conn->type == ACL_LINK) {
2047 conn->state = BT_CONFIG;
2048 hci_conn_hold(conn);
a9ea3ed9
SJ		 2049
2050 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2051 !hci_find_link_key(hdev, &ev->bdaddr))
2052 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2053 else
2054 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2055 } else
2056 conn->state = BT_CONNECTED;
1da177e4 2057
7d0db0a3
MH		 2058 hci_conn_add_sysfs(conn);
2059
1da177e4 2060 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2061 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2062
2063 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2064 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2065
04837f64
MH		 2066 /* Get remote features */
2067 if (conn->type == ACL_LINK) {
2068 struct hci_cp_read_remote_features cp;
2069 cp.handle = ev->handle;
769be974 2070 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2071 sizeof(cp), &cp);
04837f64
MH		 2072 }
2073
1da177e4 2074 /* Set packet type for incoming connection */
d095c1eb 2075 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2076 struct hci_cp_change_conn_ptype cp;
2077 cp.handle = ev->handle;
a8746417 2078 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2079 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2080 &cp);
1da177e4 2081 }
17d5c04c 2082 } else {
1da177e4 2083 conn->state = BT_CLOSED;
17d5c04c 2084 if (conn->type == ACL_LINK)
64c7b77c 2085 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2086 conn->dst_type, ev->status);
17d5c04c 2087 }
1da177e4 2088
e73439d8
MH		 2089 if (conn->type == ACL_LINK)
2090 hci_sco_setup(conn, ev->status);
1da177e4 2091
769be974
MH		 2092 if (ev->status) {
2093 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2094 hci_conn_del(conn);
c89b6e6b
MH		 2095 } else if (ev->link_type != ACL_LINK)
2096 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2097
a9de9248 2098unlock:
1da177e4 2099 hci_dev_unlock(hdev);
1da177e4 2100
a9de9248 2101 hci_conn_check_pending(hdev);
1da177e4
LT		 2102}
2103
70c46425
JH		 2104static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2105{
2106 struct hci_cp_reject_conn_req cp;
2107
2108 bacpy(&cp.bdaddr, bdaddr);
2109 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2110 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2111}
2112
6039aa73 2113static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2114{
a9de9248
MH		 2115 struct hci_ev_conn_request *ev = (void *) skb->data;
2116 int mask = hdev->link_mode;
70c46425
JH		 2117 struct inquiry_entry *ie;
2118 struct hci_conn *conn;
20714bfe 2119 __u8 flags = 0;
1da177e4 2120
6ed93dc6 2121 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2122 ev->link_type);
1da177e4 2123
20714bfe
FD		 2124 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2125 &flags);
1da177e4 2126
70c46425
JH		 2127 if (!(mask & HCI_LM_ACCEPT)) {
2128 hci_reject_conn(hdev, &ev->bdaddr);
2129 return;
2130 }
2131
46c4c941
JH		 2132 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2133 BDADDR_BREDR)) {
2134 hci_reject_conn(hdev, &ev->bdaddr);
2135 return;
2136 }
2137
2138 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2139 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2140 BDADDR_BREDR)) {
2141 hci_reject_conn(hdev, &ev->bdaddr);
2142 return;
70c46425 2143 }
1da177e4 2144
70c46425 2145 /* Connection accepted */
b6a0dc82 2146
70c46425
JH		 2147 hci_dev_lock(hdev);
2148
2149 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2150 if (ie)
2151 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2152
70c46425
JH		 2153 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2154 &ev->bdaddr);
2155 if (!conn) {
a5c4e309
JH		 2156 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2157 HCI_ROLE_SLAVE);
a9de9248 2158 if (!conn) {
70c46425
JH		 2159 BT_ERR("No memory for new connection");
2160 hci_dev_unlock(hdev);
2161 return;
1da177e4 2162 }
70c46425 2163 }
b6a0dc82 2164
70c46425 2165 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2166
70c46425 2167 hci_dev_unlock(hdev);
1da177e4 2168
70c46425
JH		 2169 if (ev->link_type == ACL_LINK ||
2170 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2171 struct hci_cp_accept_conn_req cp;
2172 conn->state = BT_CONNECT;
1da177e4 2173
70c46425 2174 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2175
70c46425
JH		 2176 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2177 cp.role = 0x00; /* Become master */
2178 else
2179 cp.role = 0x01; /* Remain slave */
b6a0dc82 2180
70c46425
JH		 2181 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2182 } else if (!(flags & HCI_PROTO_DEFER)) {
2183 struct hci_cp_accept_sync_conn_req cp;
2184 conn->state = BT_CONNECT;
b6a0dc82 2185
70c46425
JH		 2186 bacpy(&cp.bdaddr, &ev->bdaddr);
2187 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2188
70c46425
JH		 2189 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2190 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2191 cp.max_latency = cpu_to_le16(0xffff);
2192 cp.content_format = cpu_to_le16(hdev->voice_setting);
2193 cp.retrans_effort = 0xff;
1da177e4 2194
70c46425
JH		 2195 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2196 &cp);
a9de9248 2197 } else {
70c46425
JH		 2198 conn->state = BT_CONNECT2;
2199 hci_proto_connect_cfm(conn, 0);
1da177e4 2200 }
1da177e4
LT		 2201}
2202
f0d6a0ea
MA		 2203static u8 hci_to_mgmt_reason(u8 err)
2204{
2205 switch (err) {
2206 case HCI_ERROR_CONNECTION_TIMEOUT:
2207 return MGMT_DEV_DISCONN_TIMEOUT;
2208 case HCI_ERROR_REMOTE_USER_TERM:
2209 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2210 case HCI_ERROR_REMOTE_POWER_OFF:
2211 return MGMT_DEV_DISCONN_REMOTE;
2212 case HCI_ERROR_LOCAL_HOST_TERM:
2213 return MGMT_DEV_DISCONN_LOCAL_HOST;
2214 default:
2215 return MGMT_DEV_DISCONN_UNKNOWN;
2216 }
2217}
2218
6039aa73 2219static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2220{
a9de9248 2221 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2222 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2223 struct hci_conn_params *params;
04837f64 2224 struct hci_conn *conn;
12d4a3b2 2225 bool mgmt_connected;
3846220b 2226 u8 type;
04837f64 2227
9f1db00c 2228 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2229
2230 hci_dev_lock(hdev);
2231
2232 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2233 if (!conn)
2234 goto unlock;
7d0db0a3 2235
abf54a50
AG		 2236 if (ev->status) {
2237 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2238 conn->dst_type, ev->status);
2239 goto unlock;
37d9ef76 2240 }
f7520543 2241
3846220b
AG		 2242 conn->state = BT_CLOSED;
2243
12d4a3b2
JH		 2244 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2245 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2246 reason, mgmt_connected);
abf54a50 2247
af6a9c32
JH		 2248 if (conn->type == ACL_LINK &&
2249 test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
3846220b 2250 hci_remove_link_key(hdev, &conn->dst);
2210246c 2251
9fcb18ef
AG		 2252 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2253 if (params) {
2254 switch (params->auto_connect) {
2255 case HCI_AUTO_CONN_LINK_LOSS:
2256 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2257 break;
2258 /* Fall through */
2259
2260 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2261 list_del_init(&params->action);
2262 list_add(&params->action, &hdev->pend_le_conns);
2263 hci_update_background_scan(hdev);
9fcb18ef
AG		 2264 break;
2265
2266 default:
2267 break;
2268 }
2269 }
2270
3846220b 2271 type = conn->type;
2210246c 2272
3846220b
AG		 2273 hci_proto_disconn_cfm(conn, ev->reason);
2274 hci_conn_del(conn);
2275
2276 /* Re-enable advertising if necessary, since it might
2277 * have been disabled by the connection. From the
2278 * HCI_LE_Set_Advertise_Enable command description in
2279 * the core specification (v4.0):
2280 * "The Controller shall continue advertising until the Host
2281 * issues an LE_Set_Advertise_Enable command with
2282 * Advertising_Enable set to 0x00 (Advertising is disabled)
2283 * or until a connection is created or until the Advertising
2284 * is timed out due to Directed Advertising."
2285 */
2286 if (type == LE_LINK)
2287 mgmt_reenable_advertising(hdev);
f7520543
JH		 2288
2289unlock:
04837f64
MH		 2290 hci_dev_unlock(hdev);
2291}
2292
6039aa73 2293static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2294{
a9de9248 2295 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2296 struct hci_conn *conn;
1da177e4 2297
9f1db00c 2298 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2299
2300 hci_dev_lock(hdev);
2301
04837f64 2302 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2303 if (!conn)
2304 goto unlock;
2305
2306 if (!ev->status) {
aa64a8b5 2307 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2308 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2309 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2310 } else {
4dae2798 2311 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2312 conn->sec_level = conn->pending_sec_level;
2a611692 2313 }
d7556e20 2314 } else {
bab73cb6 2315 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 2316 ev->status);
d7556e20 2317 }
1da177e4 2318
51a8efd7
JH		 2319 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2320 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2321
d7556e20 2322 if (conn->state == BT_CONFIG) {
aa64a8b5 2323 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2324 struct hci_cp_set_conn_encrypt cp;
2325 cp.handle = ev->handle;
2326 cp.encrypt = 0x01;
2327 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2328 &cp);
052b30b0 2329 } else {
d7556e20
WR		 2330 conn->state = BT_CONNECTED;
2331 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2332 hci_conn_drop(conn);
052b30b0 2333 }
d7556e20
WR		 2334 } else {
2335 hci_auth_cfm(conn, ev->status);
052b30b0 2336
d7556e20
WR		 2337 hci_conn_hold(conn);
2338 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2339 hci_conn_drop(conn);
d7556e20
WR		 2340 }
2341
51a8efd7 2342 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2343 if (!ev->status) {
2344 struct hci_cp_set_conn_encrypt cp;
2345 cp.handle = ev->handle;
2346 cp.encrypt = 0x01;
2347 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2348 &cp);
d7556e20 2349 } else {
51a8efd7 2350 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2351 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2352 }
2353 }
2354
d7556e20 2355unlock:
1da177e4
LT		 2356 hci_dev_unlock(hdev);
2357}
2358
6039aa73 2359static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2360{
127178d2
JH		 2361 struct hci_ev_remote_name *ev = (void *) skb->data;
2362 struct hci_conn *conn;
2363
a9de9248 2364 BT_DBG("%s", hdev->name);
1da177e4 2365
a9de9248 2366 hci_conn_check_pending(hdev);
127178d2
JH		 2367
2368 hci_dev_lock(hdev);
2369
b644ba33 2370 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2371
b644ba33
JH		 2372 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2373 goto check_auth;
a88a9652 2374
b644ba33
JH		 2375 if (ev->status == 0)
2376 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2377 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2378 else
2379 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2380
2381check_auth:
79c6c70c
JH		 2382 if (!conn)
2383 goto unlock;
2384
2385 if (!hci_outgoing_auth_needed(hdev, conn))
2386 goto unlock;
2387
51a8efd7 2388 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH		 2389 struct hci_cp_auth_requested cp;
2390 cp.handle = __cpu_to_le16(conn->handle);
2391 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2392 }
2393
79c6c70c 2394unlock:
127178d2 2395 hci_dev_unlock(hdev);
a9de9248
MH		 2396}
2397
6039aa73 2398static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2399{
2400 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2401 struct hci_conn *conn;
2402
9f1db00c 2403 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2404
2405 hci_dev_lock(hdev);
2406
04837f64 2407 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2408 if (!conn)
2409 goto unlock;
1da177e4 2410
dc8357cc
MH		 2411 if (!ev->status) {
2412 if (ev->encrypt) {
2413 /* Encryption implies authentication */
4dae2798
JH		 2414 set_bit(HCI_CONN_AUTH, &conn->flags);
2415 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2416 conn->sec_level = conn->pending_sec_level;
abf76bad 2417
914a6ffe
MH		 2418 /* P-256 authentication key implies FIPS */
2419 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2420 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2421
abf76bad
MH		 2422 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2423 conn->type == LE_LINK)
2424 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2425 } else {
4dae2798 2426 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2427 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2428 }
dc8357cc 2429 }
a7d7723a 2430
dc8357cc 2431 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2432
dc8357cc
MH		 2433 if (ev->status && conn->state == BT_CONNECTED) {
2434 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2435 hci_conn_drop(conn);
2436 goto unlock;
1da177e4
LT		 2437 }
2438
dc8357cc
MH		 2439 if (conn->state == BT_CONFIG) {
2440 if (!ev->status)
2441 conn->state = BT_CONNECTED;
2442
40b552aa
MH		 2443 /* In Secure Connections Only mode, do not allow any
2444 * connections that are not encrypted with AES-CCM
2445 * using a P-256 authenticated combination key.
2446 */
2447 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2448 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2449 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2450 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2451 hci_conn_drop(conn);
2452 goto unlock;
2453 }
2454
dc8357cc
MH		 2455 hci_proto_connect_cfm(conn, ev->status);
2456 hci_conn_drop(conn);
2457 } else
2458 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2459
a7d7723a 2460unlock:
1da177e4
LT		 2461 hci_dev_unlock(hdev);
2462}
2463
6039aa73
GP		 2464static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2465 struct sk_buff *skb)
1da177e4 2466{
a9de9248 2467 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2468 struct hci_conn *conn;
1da177e4 2469
9f1db00c 2470 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2471
2472 hci_dev_lock(hdev);
2473
04837f64 2474 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2475 if (conn) {
2476 if (!ev->status)
4dae2798 2477 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2478
51a8efd7 2479 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2480
2481 hci_key_change_cfm(conn, ev->status);
2482 }
2483
2484 hci_dev_unlock(hdev);
2485}
2486
6039aa73
GP		 2487static void hci_remote_features_evt(struct hci_dev *hdev,
2488 struct sk_buff *skb)
1da177e4 2489{
a9de9248
MH		 2490 struct hci_ev_remote_features *ev = (void *) skb->data;
2491 struct hci_conn *conn;
2492
9f1db00c 2493 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2494
a9de9248
MH		 2495 hci_dev_lock(hdev);
2496
2497 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2498 if (!conn)
2499 goto unlock;
769be974 2500
ccd556fe 2501 if (!ev->status)
cad718ed 2502 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2503
2504 if (conn->state != BT_CONFIG)
2505 goto unlock;
2506
2507 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2508 struct hci_cp_read_remote_ext_features cp;
2509 cp.handle = ev->handle;
2510 cp.page = 0x01;
2511 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2512 sizeof(cp), &cp);
392599b9
JH		 2513 goto unlock;
2514 }
2515
671267bf 2516 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2517 struct hci_cp_remote_name_req cp;
2518 memset(&cp, 0, sizeof(cp));
2519 bacpy(&cp.bdaddr, &conn->dst);
2520 cp.pscan_rep_mode = 0x02;
2521 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2522 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2523 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2524 conn->dst_type, 0, NULL, 0,
2525 conn->dev_class);
392599b9 2526
127178d2 2527 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2528 conn->state = BT_CONNECTED;
2529 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2530 hci_conn_drop(conn);
769be974 2531 }
a9de9248 2532
ccd556fe 2533unlock:
a9de9248 2534 hci_dev_unlock(hdev);
1da177e4
LT		 2535}
2536
6039aa73 2537static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2538{
2539 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2540 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2541 __u16 opcode;
2542
2543 skb_pull(skb, sizeof(*ev));
2544
2545 opcode = __le16_to_cpu(ev->opcode);
2546
2547 switch (opcode) {
2548 case HCI_OP_INQUIRY_CANCEL:
2549 hci_cc_inquiry_cancel(hdev, skb);
2550 break;
2551
4d93483b
AG		 2552 case HCI_OP_PERIODIC_INQ:
2553 hci_cc_periodic_inq(hdev, skb);
2554 break;
2555
a9de9248
MH		 2556 case HCI_OP_EXIT_PERIODIC_INQ:
2557 hci_cc_exit_periodic_inq(hdev, skb);
2558 break;
2559
2560 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2561 hci_cc_remote_name_req_cancel(hdev, skb);
2562 break;
2563
2564 case HCI_OP_ROLE_DISCOVERY:
2565 hci_cc_role_discovery(hdev, skb);
2566 break;
2567
e4e8e37c
MH		 2568 case HCI_OP_READ_LINK_POLICY:
2569 hci_cc_read_link_policy(hdev, skb);
2570 break;
2571
a9de9248
MH		 2572 case HCI_OP_WRITE_LINK_POLICY:
2573 hci_cc_write_link_policy(hdev, skb);
2574 break;
2575
e4e8e37c
MH		 2576 case HCI_OP_READ_DEF_LINK_POLICY:
2577 hci_cc_read_def_link_policy(hdev, skb);
2578 break;
2579
2580 case HCI_OP_WRITE_DEF_LINK_POLICY:
2581 hci_cc_write_def_link_policy(hdev, skb);
2582 break;
2583
a9de9248
MH		 2584 case HCI_OP_RESET:
2585 hci_cc_reset(hdev, skb);
2586 break;
2587
2588 case HCI_OP_WRITE_LOCAL_NAME:
2589 hci_cc_write_local_name(hdev, skb);
2590 break;
2591
2592 case HCI_OP_READ_LOCAL_NAME:
2593 hci_cc_read_local_name(hdev, skb);
2594 break;
2595
2596 case HCI_OP_WRITE_AUTH_ENABLE:
2597 hci_cc_write_auth_enable(hdev, skb);
2598 break;
2599
2600 case HCI_OP_WRITE_ENCRYPT_MODE:
2601 hci_cc_write_encrypt_mode(hdev, skb);
2602 break;
2603
2604 case HCI_OP_WRITE_SCAN_ENABLE:
2605 hci_cc_write_scan_enable(hdev, skb);
2606 break;
2607
2608 case HCI_OP_READ_CLASS_OF_DEV:
2609 hci_cc_read_class_of_dev(hdev, skb);
2610 break;
2611
2612 case HCI_OP_WRITE_CLASS_OF_DEV:
2613 hci_cc_write_class_of_dev(hdev, skb);
2614 break;
2615
2616 case HCI_OP_READ_VOICE_SETTING:
2617 hci_cc_read_voice_setting(hdev, skb);
2618 break;
2619
2620 case HCI_OP_WRITE_VOICE_SETTING:
2621 hci_cc_write_voice_setting(hdev, skb);
2622 break;
2623
b4cb9fb2
MH		 2624 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2625 hci_cc_read_num_supported_iac(hdev, skb);
2626 break;
2627
333140b5
MH		 2628 case HCI_OP_WRITE_SSP_MODE:
2629 hci_cc_write_ssp_mode(hdev, skb);
2630 break;
2631
eac83dc6
MH		 2632 case HCI_OP_WRITE_SC_SUPPORT:
2633 hci_cc_write_sc_support(hdev, skb);
2634 break;
2635
a9de9248
MH		 2636 case HCI_OP_READ_LOCAL_VERSION:
2637 hci_cc_read_local_version(hdev, skb);
2638 break;
2639
2640 case HCI_OP_READ_LOCAL_COMMANDS:
2641 hci_cc_read_local_commands(hdev, skb);
2642 break;
2643
2644 case HCI_OP_READ_LOCAL_FEATURES:
2645 hci_cc_read_local_features(hdev, skb);
2646 break;
2647
971e3a4b
AG		 2648 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2649 hci_cc_read_local_ext_features(hdev, skb);
2650 break;
2651
a9de9248
MH		 2652 case HCI_OP_READ_BUFFER_SIZE:
2653 hci_cc_read_buffer_size(hdev, skb);
2654 break;
2655
2656 case HCI_OP_READ_BD_ADDR:
2657 hci_cc_read_bd_addr(hdev, skb);
2658 break;
2659
f332ec66
JH		 2660 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2661 hci_cc_read_page_scan_activity(hdev, skb);
2662 break;
2663
4a3ee763
JH		 2664 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2665 hci_cc_write_page_scan_activity(hdev, skb);
2666 break;
2667
f332ec66
JH		 2668 case HCI_OP_READ_PAGE_SCAN_TYPE:
2669 hci_cc_read_page_scan_type(hdev, skb);
2670 break;
2671
4a3ee763
JH		 2672 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2673 hci_cc_write_page_scan_type(hdev, skb);
2674 break;
2675
350ee4cf
AE		 2676 case HCI_OP_READ_DATA_BLOCK_SIZE:
2677 hci_cc_read_data_block_size(hdev, skb);
2678 break;
2679
1e89cffb
AE		 2680 case HCI_OP_READ_FLOW_CONTROL_MODE:
2681 hci_cc_read_flow_control_mode(hdev, skb);
2682 break;
2683
928abaa7
AE		 2684 case HCI_OP_READ_LOCAL_AMP_INFO:
2685 hci_cc_read_local_amp_info(hdev, skb);
2686 break;
2687
33f35721
JH		 2688 case HCI_OP_READ_CLOCK:
2689 hci_cc_read_clock(hdev, skb);
2690 break;
2691
903e4541
AE		 2692 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2693 hci_cc_read_local_amp_assoc(hdev, skb);
2694 break;
2695
d5859e22
JH		 2696 case HCI_OP_READ_INQ_RSP_TX_POWER:
2697 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2698 break;
2699
980e1a53
JH		 2700 case HCI_OP_PIN_CODE_REPLY:
2701 hci_cc_pin_code_reply(hdev, skb);
2702 break;
2703
2704 case HCI_OP_PIN_CODE_NEG_REPLY:
2705 hci_cc_pin_code_neg_reply(hdev, skb);
2706 break;
2707
c35938b2 2708 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2709 hci_cc_read_local_oob_data(hdev, skb);
2710 break;
2711
2712 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2713 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2714 break;
2715
6ed58ec5
VT		 2716 case HCI_OP_LE_READ_BUFFER_SIZE:
2717 hci_cc_le_read_buffer_size(hdev, skb);
2718 break;
2719
60e77321
JH		 2720 case HCI_OP_LE_READ_LOCAL_FEATURES:
2721 hci_cc_le_read_local_features(hdev, skb);
2722 break;
2723
8fa19098
JH		 2724 case HCI_OP_LE_READ_ADV_TX_POWER:
2725 hci_cc_le_read_adv_tx_power(hdev, skb);
2726 break;
2727
a5c29683
JH		 2728 case HCI_OP_USER_CONFIRM_REPLY:
2729 hci_cc_user_confirm_reply(hdev, skb);
2730 break;
2731
2732 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2733 hci_cc_user_confirm_neg_reply(hdev, skb);
2734 break;
2735
1143d458
BG		 2736 case HCI_OP_USER_PASSKEY_REPLY:
2737 hci_cc_user_passkey_reply(hdev, skb);
2738 break;
2739
2740 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2741 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2742 break;
07f7fa5d 2743
7a4cd51d
MH		 2744 case HCI_OP_LE_SET_RANDOM_ADDR:
2745 hci_cc_le_set_random_addr(hdev, skb);
2746 break;
2747
c1d5dc4a
JH		 2748 case HCI_OP_LE_SET_ADV_ENABLE:
2749 hci_cc_le_set_adv_enable(hdev, skb);
2750 break;
2751
533553f8
MH		 2752 case HCI_OP_LE_SET_SCAN_PARAM:
2753 hci_cc_le_set_scan_param(hdev, skb);
2754 break;
2755
eb9d91f5
AG		 2756 case HCI_OP_LE_SET_SCAN_ENABLE:
2757 hci_cc_le_set_scan_enable(hdev, skb);
2758 break;
2759
cf1d081f
JH		 2760 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2761 hci_cc_le_read_white_list_size(hdev, skb);
2762 break;
2763
0f36b589
MH		 2764 case HCI_OP_LE_CLEAR_WHITE_LIST:
2765 hci_cc_le_clear_white_list(hdev, skb);
2766 break;
2767
2768 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2769 hci_cc_le_add_to_white_list(hdev, skb);
2770 break;
2771
2772 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2773 hci_cc_le_del_from_white_list(hdev, skb);
2774 break;
2775
9b008c04
JH		 2776 case HCI_OP_LE_READ_SUPPORTED_STATES:
2777 hci_cc_le_read_supported_states(hdev, skb);
2778 break;
2779
f9b49306
AG		 2780 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2781 hci_cc_write_le_host_supported(hdev, skb);
2782 break;
2783
56ed2cb8
JH		 2784 case HCI_OP_LE_SET_ADV_PARAM:
2785 hci_cc_set_adv_param(hdev, skb);
2786 break;
2787
93c284ee
AE		 2788 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2789 hci_cc_write_remote_amp_assoc(hdev, skb);
2790 break;
2791
5ae76a94
AK		 2792 case HCI_OP_READ_RSSI:
2793 hci_cc_read_rssi(hdev, skb);
2794 break;
2795
5a134fae
AK		 2796 case HCI_OP_READ_TX_POWER:
2797 hci_cc_read_tx_power(hdev, skb);
2798 break;
2799
a9de9248 2800 default:
9f1db00c 2801 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2802 break;
2803 }
2804
ad82cdd1 2805 if (opcode != HCI_OP_NOP)
65cc2b49 2806 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2807
ad82cdd1 2808 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2809
dbccd791 2810 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2811 atomic_set(&hdev->cmd_cnt, 1);
2812 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2813 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2814 }
2815}
2816
6039aa73 2817static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2818{
2819 struct hci_ev_cmd_status *ev = (void *) skb->data;
2820 __u16 opcode;
2821
2822 skb_pull(skb, sizeof(*ev));
2823
2824 opcode = __le16_to_cpu(ev->opcode);
2825
2826 switch (opcode) {
2827 case HCI_OP_INQUIRY:
2828 hci_cs_inquiry(hdev, ev->status);
2829 break;
2830
2831 case HCI_OP_CREATE_CONN:
2832 hci_cs_create_conn(hdev, ev->status);
2833 break;
2834
2835 case HCI_OP_ADD_SCO:
2836 hci_cs_add_sco(hdev, ev->status);
2837 break;
2838
f8558555
MH		 2839 case HCI_OP_AUTH_REQUESTED:
2840 hci_cs_auth_requested(hdev, ev->status);
2841 break;
2842
2843 case HCI_OP_SET_CONN_ENCRYPT:
2844 hci_cs_set_conn_encrypt(hdev, ev->status);
2845 break;
2846
a9de9248
MH		 2847 case HCI_OP_REMOTE_NAME_REQ:
2848 hci_cs_remote_name_req(hdev, ev->status);
2849 break;
2850
769be974
MH		 2851 case HCI_OP_READ_REMOTE_FEATURES:
2852 hci_cs_read_remote_features(hdev, ev->status);
2853 break;
2854
2855 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2856 hci_cs_read_remote_ext_features(hdev, ev->status);
2857 break;
2858
a9de9248
MH		 2859 case HCI_OP_SETUP_SYNC_CONN:
2860 hci_cs_setup_sync_conn(hdev, ev->status);
2861 break;
2862
2863 case HCI_OP_SNIFF_MODE:
2864 hci_cs_sniff_mode(hdev, ev->status);
2865 break;
2866
2867 case HCI_OP_EXIT_SNIFF_MODE:
2868 hci_cs_exit_sniff_mode(hdev, ev->status);
2869 break;
2870
8962ee74 2871 case HCI_OP_DISCONNECT:
88c3df13 2872 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2873 break;
2874
a02226d6
AE		 2875 case HCI_OP_CREATE_PHY_LINK:
2876 hci_cs_create_phylink(hdev, ev->status);
2877 break;
2878
0b26ab9d
AE		 2879 case HCI_OP_ACCEPT_PHY_LINK:
2880 hci_cs_accept_phylink(hdev, ev->status);
2881 break;
2882
cb1d68f7
JH		 2883 case HCI_OP_LE_CREATE_CONN:
2884 hci_cs_le_create_conn(hdev, ev->status);
2885 break;
2886
81d0c8ad
JH		 2887 case HCI_OP_LE_START_ENC:
2888 hci_cs_le_start_enc(hdev, ev->status);
2889 break;
2890
a9de9248 2891 default:
9f1db00c 2892 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2893 break;
2894 }
2895
ad82cdd1 2896 if (opcode != HCI_OP_NOP)
65cc2b49 2897 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2898
02350a72
JH		 2899 if (ev->status ||
2900 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2901 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2902
10572132 2903 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2904 atomic_set(&hdev->cmd_cnt, 1);
2905 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2906 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2907 }
2908}
2909
6039aa73 2910static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2911{
2912 struct hci_ev_role_change *ev = (void *) skb->data;
2913 struct hci_conn *conn;
2914
9f1db00c 2915 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2916
2917 hci_dev_lock(hdev);
2918
2919 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2920 if (conn) {
40bef302
JH		 2921 if (!ev->status)
2922 conn->role = ev->role;
a9de9248 2923
51a8efd7 2924 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2925
2926 hci_role_switch_cfm(conn, ev->status, ev->role);
2927 }
2928
2929 hci_dev_unlock(hdev);
2930}
2931
6039aa73 2932static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2933{
2934 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2935 int i;
2936
32ac5b9b
AE		 2937 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2938 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2939 return;
2940 }
2941
c5993de8 2942 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2943 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2944 BT_DBG("%s bad parameters", hdev->name);
2945 return;
2946 }
2947
c5993de8
AE		 2948 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2949
613a1c0c
AE		 2950 for (i = 0; i < ev->num_hndl; i++) {
2951 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2952 struct hci_conn *conn;
2953 __u16 handle, count;
2954
613a1c0c
AE		 2955 handle = __le16_to_cpu(info->handle);
2956 count = __le16_to_cpu(info->count);
a9de9248
MH		 2957
2958 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2959 if (!conn)
2960 continue;
2961
2962 conn->sent -= count;
2963
2964 switch (conn->type) {
2965 case ACL_LINK:
2966 hdev->acl_cnt += count;
2967 if (hdev->acl_cnt > hdev->acl_pkts)
2968 hdev->acl_cnt = hdev->acl_pkts;
2969 break;
2970
2971 case LE_LINK:
2972 if (hdev->le_pkts) {
2973 hdev->le_cnt += count;
2974 if (hdev->le_cnt > hdev->le_pkts)
2975 hdev->le_cnt = hdev->le_pkts;
2976 } else {
70f23020
AE		 2977 hdev->acl_cnt += count;
2978 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2979 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2980 }
f4280918
AE		 2981 break;
2982
2983 case SCO_LINK:
2984 hdev->sco_cnt += count;
2985 if (hdev->sco_cnt > hdev->sco_pkts)
2986 hdev->sco_cnt = hdev->sco_pkts;
2987 break;
2988
2989 default:
2990 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2991 break;
a9de9248
MH		 2992 }
2993 }
2994
3eff45ea 2995 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 2996}
2997
76ef7cf7
AE		 2998static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
2999 __u16 handle)
3000{
3001 struct hci_chan *chan;
3002
3003 switch (hdev->dev_type) {
3004 case HCI_BREDR:
3005 return hci_conn_hash_lookup_handle(hdev, handle);
3006 case HCI_AMP:
3007 chan = hci_chan_lookup_handle(hdev, handle);
3008 if (chan)
3009 return chan->conn;
3010 break;
3011 default:
3012 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3013 break;
3014 }
3015
3016 return NULL;
3017}
3018
6039aa73 3019static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3020{
3021 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3022 int i;
3023
3024 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3025 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3026 return;
3027 }
3028
3029 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3030 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3031 BT_DBG("%s bad parameters", hdev->name);
3032 return;
3033 }
3034
3035 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3036 ev->num_hndl);
25e89e99
AE		 3037
3038 for (i = 0; i < ev->num_hndl; i++) {
3039 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3040 struct hci_conn *conn = NULL;
25e89e99
AE		 3041 __u16 handle, block_count;
3042
3043 handle = __le16_to_cpu(info->handle);
3044 block_count = __le16_to_cpu(info->blocks);
3045
76ef7cf7 3046 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3047 if (!conn)
3048 continue;
3049
3050 conn->sent -= block_count;
3051
3052 switch (conn->type) {
3053 case ACL_LINK:
bd1eb66b 3054 case AMP_LINK:
25e89e99
AE		 3055 hdev->block_cnt += block_count;
3056 if (hdev->block_cnt > hdev->num_blocks)
3057 hdev->block_cnt = hdev->num_blocks;
3058 break;
3059
3060 default:
3061 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3062 break;
3063 }
3064 }
3065
3066 queue_work(hdev->workqueue, &hdev->tx_work);
3067}
3068
6039aa73 3069static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3070{
a9de9248 3071 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3072 struct hci_conn *conn;
3073
9f1db00c 3074 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3075
3076 hci_dev_lock(hdev);
3077
3078 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3079 if (conn) {
3080 conn->mode = ev->mode;
a9de9248 3081
8fc9ced3
GP		 3082 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3083 &conn->flags)) {
a9de9248 3084 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3085 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3086 else
58a681ef 3087 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3088 }
e73439d8 3089
51a8efd7 3090 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3091 hci_sco_setup(conn, ev->status);
04837f64
MH		 3092 }
3093
3094 hci_dev_unlock(hdev);
3095}
3096
6039aa73 3097static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3098{
052b30b0
MH		 3099 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3100 struct hci_conn *conn;
3101
a9de9248 3102 BT_DBG("%s", hdev->name);
052b30b0
MH		 3103
3104 hci_dev_lock(hdev);
3105
3106 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3107 if (!conn)
3108 goto unlock;
3109
3110 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3111 hci_conn_hold(conn);
3112 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3113 hci_conn_drop(conn);
052b30b0
MH		 3114 }
3115
a8b2d5c2 3116 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 3117 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3118 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 3119 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3120 u8 secure;
3121
3122 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3123 secure = 1;
3124 else
3125 secure = 0;
3126
744cf19e 3127 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3128 }
980e1a53 3129
b6f98044 3130unlock:
052b30b0 3131 hci_dev_unlock(hdev);
a9de9248
MH		 3132}
3133
6039aa73 3134static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3135{
55ed8ca1
JH		 3136 struct hci_ev_link_key_req *ev = (void *) skb->data;
3137 struct hci_cp_link_key_reply cp;
3138 struct hci_conn *conn;
3139 struct link_key *key;
3140
a9de9248 3141 BT_DBG("%s", hdev->name);
55ed8ca1 3142
034cbea0 3143 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3144 return;
3145
3146 hci_dev_lock(hdev);
3147
3148 key = hci_find_link_key(hdev, &ev->bdaddr);
3149 if (!key) {
6ed93dc6
AE		 3150 BT_DBG("%s link key not found for %pMR", hdev->name,
3151 &ev->bdaddr);
55ed8ca1
JH		 3152 goto not_found;
3153 }
3154
6ed93dc6
AE		 3155 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3156 &ev->bdaddr);
55ed8ca1 3157
55ed8ca1 3158 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3159 if (conn) {
66138ce8
MH		 3160 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3161 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3162 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3163 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3164 goto not_found;
3165 }
55ed8ca1 3166
60b83f57 3167 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3168 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3169 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3170 BT_DBG("%s ignoring key unauthenticated for high security",
3171 hdev->name);
60b83f57
WR		 3172 goto not_found;
3173 }
3174
3175 conn->key_type = key->type;
3176 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3177 }
3178
3179 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3180 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3181
3182 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3183
3184 hci_dev_unlock(hdev);
3185
3186 return;
3187
3188not_found:
3189 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3190 hci_dev_unlock(hdev);
a9de9248
MH		 3191}
3192
6039aa73 3193static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3194{
052b30b0
MH		 3195 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3196 struct hci_conn *conn;
7652ff6a
JH		 3197 struct link_key *key;
3198 bool persistent;
55ed8ca1 3199 u8 pin_len = 0;
052b30b0 3200
a9de9248 3201 BT_DBG("%s", hdev->name);
052b30b0
MH		 3202
3203 hci_dev_lock(hdev);
3204
3205 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3206 if (conn) {
3207 hci_conn_hold(conn);
3208 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3209 pin_len = conn->pin_length;
13d39315
WR		 3210
3211 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3212 conn->key_type = ev->key_type;
3213
76a68ba0 3214 hci_conn_drop(conn);
052b30b0
MH		 3215 }
3216
7652ff6a
JH		 3217 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3218 goto unlock;
3219
3220 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3221 ev->key_type, pin_len, &persistent);
3222 if (!key)
3223 goto unlock;
3224
3225 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3226
6d5650c4
JH		 3227 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3228 * is set. If it's not set simply remove the key from the kernel
3229 * list (we've still notified user space about it but with
3230 * store_hint being 0).
3231 */
3232 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3233 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3234 list_del(&key->list);
3235 kfree(key);
3236 } else if (conn) {
af6a9c32
JH		 3237 if (persistent)
3238 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3239 else
3240 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3241 }
7652ff6a
JH		 3242
3243unlock:
052b30b0 3244 hci_dev_unlock(hdev);
a9de9248
MH		 3245}
3246
6039aa73 3247static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3248{
a9de9248 3249 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3250 struct hci_conn *conn;
1da177e4 3251
9f1db00c 3252 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3253
3254 hci_dev_lock(hdev);
3255
04837f64 3256 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3257 if (conn && !ev->status) {
3258 struct inquiry_entry *ie;
3259
cc11b9c1
AE		 3260 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3261 if (ie) {
1da177e4
LT		 3262 ie->data.clock_offset = ev->clock_offset;
3263 ie->timestamp = jiffies;
3264 }
3265 }
3266
3267 hci_dev_unlock(hdev);
3268}
3269
6039aa73 3270static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3271{
3272 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3273 struct hci_conn *conn;
3274
9f1db00c 3275 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3276
3277 hci_dev_lock(hdev);
3278
3279 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3280 if (conn && !ev->status)
3281 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3282
3283 hci_dev_unlock(hdev);
3284}
3285
6039aa73 3286static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3287{
a9de9248 3288 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3289 struct inquiry_entry *ie;
3290
3291 BT_DBG("%s", hdev->name);
3292
3293 hci_dev_lock(hdev);
3294
cc11b9c1
AE		 3295 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3296 if (ie) {
85a1e930
MH		 3297 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3298 ie->timestamp = jiffies;
3299 }
3300
3301 hci_dev_unlock(hdev);
3302}
3303
6039aa73
GP		 3304static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3305 struct sk_buff *skb)
a9de9248
MH		 3306{
3307 struct inquiry_data data;
3308 int num_rsp = *((__u8 *) skb->data);
3309
3310 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3311
3312 if (!num_rsp)
3313 return;
3314
1519cc17
AG		 3315 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3316 return;
3317
a9de9248
MH		 3318 hci_dev_lock(hdev);
3319
3320 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3321 struct inquiry_info_with_rssi_and_pscan_mode *info;
3322 info = (void *) (skb->data + 1);
a9de9248 3323
e17acd40 3324 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3325 u32 flags;
3326
a9de9248
MH		 3327 bacpy(&data.bdaddr, &info->bdaddr);
3328 data.pscan_rep_mode = info->pscan_rep_mode;
3329 data.pscan_period_mode = info->pscan_period_mode;
3330 data.pscan_mode = info->pscan_mode;
3331 memcpy(data.dev_class, info->dev_class, 3);
3332 data.clock_offset = info->clock_offset;
3333 data.rssi = info->rssi;
41a96212 3334 data.ssp_mode = 0x00;
3175405b 3335
af58925c
MH		 3336 flags = hci_inquiry_cache_update(hdev, &data, false);
3337
48264f06 3338 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3339 info->dev_class, info->rssi,
af58925c 3340 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3341 }
3342 } else {
3343 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3344
e17acd40 3345 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3346 u32 flags;
3347
a9de9248
MH		 3348 bacpy(&data.bdaddr, &info->bdaddr);
3349 data.pscan_rep_mode = info->pscan_rep_mode;
3350 data.pscan_period_mode = info->pscan_period_mode;
3351 data.pscan_mode = 0x00;
3352 memcpy(data.dev_class, info->dev_class, 3);
3353 data.clock_offset = info->clock_offset;
3354 data.rssi = info->rssi;
41a96212 3355 data.ssp_mode = 0x00;
af58925c
MH		 3356
3357 flags = hci_inquiry_cache_update(hdev, &data, false);
3358
48264f06 3359 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3360 info->dev_class, info->rssi,
af58925c 3361 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3362 }
3363 }
3364
3365 hci_dev_unlock(hdev);
3366}
3367
6039aa73
GP		 3368static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3369 struct sk_buff *skb)
a9de9248 3370{
41a96212
MH		 3371 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3372 struct hci_conn *conn;
3373
a9de9248 3374 BT_DBG("%s", hdev->name);
41a96212 3375
41a96212
MH		 3376 hci_dev_lock(hdev);
3377
3378 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3379 if (!conn)
3380 goto unlock;
41a96212 3381
cad718ed
JH		 3382 if (ev->page < HCI_MAX_PAGES)
3383 memcpy(conn->features[ev->page], ev->features, 8);
3384
ccd556fe
JH		 3385 if (!ev->status && ev->page == 0x01) {
3386 struct inquiry_entry *ie;
41a96212 3387
cc11b9c1
AE		 3388 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3389 if (ie)
02b7cc62 3390 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3391
bbb0eada 3392 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3393 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3394 } else {
3395 /* It is mandatory by the Bluetooth specification that
3396 * Extended Inquiry Results are only used when Secure
3397 * Simple Pairing is enabled, but some devices violate
3398 * this.
3399 *
3400 * To make these devices work, the internal SSP
3401 * enabled flag needs to be cleared if the remote host
3402 * features do not indicate SSP support */
3403 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3404 }
eb9a8f3f
MH		 3405
3406 if (ev->features[0] & LMP_HOST_SC)
3407 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3408 }
3409
3410 if (conn->state != BT_CONFIG)
3411 goto unlock;
3412
671267bf 3413 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3414 struct hci_cp_remote_name_req cp;
3415 memset(&cp, 0, sizeof(cp));
3416 bacpy(&cp.bdaddr, &conn->dst);
3417 cp.pscan_rep_mode = 0x02;
3418 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3419 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3420 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3421 conn->dst_type, 0, NULL, 0,
3422 conn->dev_class);
392599b9 3423
127178d2 3424 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3425 conn->state = BT_CONNECTED;
3426 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3427 hci_conn_drop(conn);
41a96212
MH		 3428 }
3429
ccd556fe 3430unlock:
41a96212 3431 hci_dev_unlock(hdev);
a9de9248
MH		 3432}
3433
6039aa73
GP		 3434static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3435 struct sk_buff *skb)
a9de9248 3436{
b6a0dc82
MH		 3437 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3438 struct hci_conn *conn;
3439
9f1db00c 3440 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3441
3442 hci_dev_lock(hdev);
3443
3444 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3445 if (!conn) {
3446 if (ev->link_type == ESCO_LINK)
3447 goto unlock;
3448
3449 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3450 if (!conn)
3451 goto unlock;
3452
3453 conn->type = SCO_LINK;
3454 }
b6a0dc82 3455
732547f9
MH		 3456 switch (ev->status) {
3457 case 0x00:
b6a0dc82
MH		 3458 conn->handle = __le16_to_cpu(ev->handle);
3459 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3460
3461 hci_conn_add_sysfs(conn);
732547f9
MH		 3462 break;
3463
81218d20 3464 case 0x10: /* Connection Accept Timeout */
1a4c958c 3465 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3466 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3467 case 0x1c: /* SCO interval rejected */
1038a00b 3468 case 0x1a: /* Unsupported Remote Feature */
732547f9 3469 case 0x1f: /* Unspecified error */
27539bc4 3470 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3471 if (conn->out) {
732547f9
MH		 3472 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3473 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3474 if (hci_setup_sync(conn, conn->link->handle))
3475 goto unlock;
732547f9
MH		 3476 }
3477 /* fall through */
3478
3479 default:
b6a0dc82 3480 conn->state = BT_CLOSED;
732547f9
MH		 3481 break;
3482 }
b6a0dc82
MH		 3483
3484 hci_proto_connect_cfm(conn, ev->status);
3485 if (ev->status)
3486 hci_conn_del(conn);
3487
3488unlock:
3489 hci_dev_unlock(hdev);
a9de9248
MH		 3490}
3491
efdcf8e3
MH		 3492static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3493{
3494 size_t parsed = 0;
3495
3496 while (parsed < eir_len) {
3497 u8 field_len = eir[0];
3498
3499 if (field_len == 0)
3500 return parsed;
3501
3502 parsed += field_len + 1;
3503 eir += field_len + 1;
3504 }
3505
3506 return eir_len;
3507}
3508
6039aa73
GP		 3509static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3510 struct sk_buff *skb)
1da177e4 3511{
a9de9248
MH		 3512 struct inquiry_data data;
3513 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3514 int num_rsp = *((__u8 *) skb->data);
9d939d94 3515 size_t eir_len;
1da177e4 3516
a9de9248 3517 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3518
a9de9248
MH		 3519 if (!num_rsp)
3520 return;
1da177e4 3521
1519cc17
AG		 3522 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3523 return;
3524
a9de9248
MH		 3525 hci_dev_lock(hdev);
3526
e17acd40 3527 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3528 u32 flags;
3529 bool name_known;
561aafbc 3530
a9de9248 3531 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3532 data.pscan_rep_mode = info->pscan_rep_mode;
3533 data.pscan_period_mode = info->pscan_period_mode;
3534 data.pscan_mode = 0x00;
a9de9248 3535 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3536 data.clock_offset = info->clock_offset;
3537 data.rssi = info->rssi;
41a96212 3538 data.ssp_mode = 0x01;
561aafbc 3539
a8b2d5c2 3540 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3541 name_known = eir_has_data_type(info->data,
04124681
GP		 3542 sizeof(info->data),
3543 EIR_NAME_COMPLETE);
561aafbc
JH		 3544 else
3545 name_known = true;
3546
af58925c
MH		 3547 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3548
9d939d94 3549 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3550
48264f06 3551 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3552 info->dev_class, info->rssi,
3553 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3554 }
3555
3556 hci_dev_unlock(hdev);
3557}
1da177e4 3558
1c2e0041
JH		 3559static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3560 struct sk_buff *skb)
3561{
3562 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3563 struct hci_conn *conn;
3564
9f1db00c 3565 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3566 __le16_to_cpu(ev->handle));
3567
3568 hci_dev_lock(hdev);
3569
3570 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3571 if (!conn)
3572 goto unlock;
3573
9eb1fbfa
JH		 3574 /* For BR/EDR the necessary steps are taken through the
3575 * auth_complete event.
3576 */
3577 if (conn->type != LE_LINK)
3578 goto unlock;
3579
1c2e0041
JH		 3580 if (!ev->status)
3581 conn->sec_level = conn->pending_sec_level;
3582
3583 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3584
3585 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3586 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3587 hci_conn_drop(conn);
1c2e0041
JH		 3588 goto unlock;
3589 }
3590
3591 if (conn->state == BT_CONFIG) {
3592 if (!ev->status)
3593 conn->state = BT_CONNECTED;
3594
3595 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3596 hci_conn_drop(conn);
1c2e0041
JH		 3597 } else {
3598 hci_auth_cfm(conn, ev->status);
3599
3600 hci_conn_hold(conn);
3601 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3602 hci_conn_drop(conn);
1c2e0041
JH		 3603 }
3604
3605unlock:
3606 hci_dev_unlock(hdev);
3607}
3608
6039aa73 3609static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3610{
17fa4b9d 3611 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3612 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3613 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3614 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3615
b7f94c88
MA		 3616 /* If both remote and local have enough IO capabilities, require
3617 * MITM protection
3618 */
3619 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3620 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3621 return conn->remote_auth | 0x01;
3622
7e74170a
TM		 3623 /* No MITM protection possible so ignore remote requirement */
3624 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3625}
3626
6039aa73 3627static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3628{
3629 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3630 struct hci_conn *conn;
3631
3632 BT_DBG("%s", hdev->name);
3633
3634 hci_dev_lock(hdev);
3635
3636 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3637 if (!conn)
3638 goto unlock;
3639
3640 hci_conn_hold(conn);
3641
a8b2d5c2 3642 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3643 goto unlock;
3644
a8b2d5c2 3645 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3646 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3647 struct hci_cp_io_capability_reply cp;
3648
3649 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3650 /* Change the IO capability from KeyboardDisplay
3651 * to DisplayYesNo as it is not supported by BT spec. */
3652 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3653 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3654
3655 /* If we are initiators, there is no remote information yet */
3656 if (conn->remote_auth == 0xff) {
b16c6604 3657 /* Request MITM protection if our IO caps allow it
4ad51a75 3658 * except for the no-bonding case.
b16c6604 3659 */
6fd6b915 3660 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
b16c6604 3661 cp.authentication != HCI_AT_NO_BONDING)
6c53823a
JH		 3662 conn->auth_type |= 0x01;
3663
3664 cp.authentication = conn->auth_type;
b7f94c88
MA		 3665 } else {
3666 conn->auth_type = hci_get_auth_req(conn);
3667 cp.authentication = conn->auth_type;
3668 }
17fa4b9d 3669
8fc9ced3
GP		 3670 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3671 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3672 cp.oob_data = 0x01;
3673 else
3674 cp.oob_data = 0x00;
3675
17fa4b9d 3676 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3677 sizeof(cp), &cp);
03b555e1
JH		 3678 } else {
3679 struct hci_cp_io_capability_neg_reply cp;
3680
3681 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3682 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3683
03b555e1 3684 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3685 sizeof(cp), &cp);
03b555e1
JH		 3686 }
3687
3688unlock:
3689 hci_dev_unlock(hdev);
3690}
3691
6039aa73 3692static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3693{
3694 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3695 struct hci_conn *conn;
3696
3697 BT_DBG("%s", hdev->name);
3698
3699 hci_dev_lock(hdev);
3700
3701 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3702 if (!conn)
3703 goto unlock;
3704
03b555e1 3705 conn->remote_cap = ev->capability;
03b555e1 3706 conn->remote_auth = ev->authentication;
58a681ef
JH		 3707 if (ev->oob_data)
3708 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3709
3710unlock:
0493684e
MH		 3711 hci_dev_unlock(hdev);
3712}
3713
6039aa73
GP		 3714static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3715 struct sk_buff *skb)
a5c29683
JH		 3716{
3717 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3718 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3719 struct hci_conn *conn;
a5c29683
JH		 3720
3721 BT_DBG("%s", hdev->name);
3722
3723 hci_dev_lock(hdev);
3724
a8b2d5c2 3725 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3726 goto unlock;
a5c29683 3727
7a828908
JH		 3728 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3729 if (!conn)
3730 goto unlock;
3731
3732 loc_mitm = (conn->auth_type & 0x01);
3733 rem_mitm = (conn->remote_auth & 0x01);
3734
3735 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3736 * (it has NoInputNoOutput) then reject the confirmation
3737 * request. We check the security level here since it doesn't
3738 * necessarily match conn->auth_type.
6fd6b915 3739 */
6c53823a
JH		 3740 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3741 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3742 BT_DBG("Rejecting request: remote device can't provide MITM");
3743 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3744 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3745 goto unlock;
3746 }
3747
3748 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3749 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3750 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3751
3752 /* If we're not the initiators request authorization to
3753 * proceed from user space (mgmt_user_confirm with
ba15a58b
JH		 3754 * confirm_hint set to 1). The exception is if neither
3755 * side had MITM in which case we do auto-accept.
3756 */
3757 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
3758 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3759 BT_DBG("Confirming auto-accept as acceptor");
3760 confirm_hint = 1;
3761 goto confirm;
3762 }
3763
9f61656a 3764 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3765 hdev->auto_accept_delay);
9f61656a
JH		 3766
3767 if (hdev->auto_accept_delay > 0) {
3768 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3769 queue_delayed_work(conn->hdev->workqueue,
3770 &conn->auto_accept_work, delay);
9f61656a
JH		 3771 goto unlock;
3772 }
3773
7a828908 3774 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3775 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3776 goto unlock;
3777 }
3778
55bc1a37 3779confirm:
39adbffe
JH		 3780 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3781 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3782
3783unlock:
a5c29683
JH		 3784 hci_dev_unlock(hdev);
3785}
3786
6039aa73
GP		 3787static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3788 struct sk_buff *skb)
1143d458
BG		 3789{
3790 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3791
3792 BT_DBG("%s", hdev->name);
3793
a8b2d5c2 3794 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3795 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3796}
3797
92a25256
JH		 3798static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3799 struct sk_buff *skb)
3800{
3801 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3802 struct hci_conn *conn;
3803
3804 BT_DBG("%s", hdev->name);
3805
3806 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3807 if (!conn)
3808 return;
3809
3810 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3811 conn->passkey_entered = 0;
3812
3813 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3814 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3815 conn->dst_type, conn->passkey_notify,
3816 conn->passkey_entered);
3817}
3818
3819static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3820{
3821 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3822 struct hci_conn *conn;
3823
3824 BT_DBG("%s", hdev->name);
3825
3826 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3827 if (!conn)
3828 return;
3829
3830 switch (ev->type) {
3831 case HCI_KEYPRESS_STARTED:
3832 conn->passkey_entered = 0;
3833 return;
3834
3835 case HCI_KEYPRESS_ENTERED:
3836 conn->passkey_entered++;
3837 break;
3838
3839 case HCI_KEYPRESS_ERASED:
3840 conn->passkey_entered--;
3841 break;
3842
3843 case HCI_KEYPRESS_CLEARED:
3844 conn->passkey_entered = 0;
3845 break;
3846
3847 case HCI_KEYPRESS_COMPLETED:
3848 return;
3849 }
3850
3851 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3852 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3853 conn->dst_type, conn->passkey_notify,
3854 conn->passkey_entered);
3855}
3856
6039aa73
GP		 3857static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3858 struct sk_buff *skb)
0493684e
MH		 3859{
3860 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3861 struct hci_conn *conn;
3862
3863 BT_DBG("%s", hdev->name);
3864
3865 hci_dev_lock(hdev);
3866
3867 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3868 if (!conn)
3869 goto unlock;
3870
3871 /* To avoid duplicate auth_failed events to user space we check
3872 * the HCI_CONN_AUTH_PEND flag which will be set if we
3873 * initiated the authentication. A traditional auth_complete
3874 * event gets always produced as initiator and is also mapped to
3875 * the mgmt_auth_failed event */
fa1bd918 3876 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3877 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3878 ev->status);
0493684e 3879
76a68ba0 3880 hci_conn_drop(conn);
2a611692
JH		 3881
3882unlock:
0493684e
MH		 3883 hci_dev_unlock(hdev);
3884}
3885
6039aa73
GP		 3886static void hci_remote_host_features_evt(struct hci_dev *hdev,
3887 struct sk_buff *skb)
41a96212
MH		 3888{
3889 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3890 struct inquiry_entry *ie;
cad718ed 3891 struct hci_conn *conn;
41a96212
MH		 3892
3893 BT_DBG("%s", hdev->name);
3894
3895 hci_dev_lock(hdev);
3896
cad718ed
JH		 3897 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3898 if (conn)
3899 memcpy(conn->features[1], ev->features, 8);
3900
cc11b9c1
AE		 3901 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3902 if (ie)
02b7cc62 3903 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3904
3905 hci_dev_unlock(hdev);
3906}
3907
6039aa73
GP		 3908static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3909 struct sk_buff *skb)
2763eda6
SJ		 3910{
3911 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3912 struct oob_data *data;
3913
3914 BT_DBG("%s", hdev->name);
3915
3916 hci_dev_lock(hdev);
3917
a8b2d5c2 3918 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3919 goto unlock;
3920
2763eda6
SJ		 3921 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3922 if (data) {
519ca9d0
MH		 3923 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3924 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3925
519ca9d0
MH		 3926 bacpy(&cp.bdaddr, &ev->bdaddr);
3927 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3928 memcpy(cp.randomizer192, data->randomizer192,
3929 sizeof(cp.randomizer192));
3930 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3931 memcpy(cp.randomizer256, data->randomizer256,
3932 sizeof(cp.randomizer256));
3933
3934 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3935 sizeof(cp), &cp);
3936 } else {
3937 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3938
519ca9d0
MH		 3939 bacpy(&cp.bdaddr, &ev->bdaddr);
3940 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3941 memcpy(cp.randomizer, data->randomizer192,
3942 sizeof(cp.randomizer));
3943
3944 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3945 sizeof(cp), &cp);
3946 }
2763eda6
SJ		 3947 } else {
3948 struct hci_cp_remote_oob_data_neg_reply cp;
3949
3950 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3951 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3952 sizeof(cp), &cp);
2763eda6
SJ		 3953 }
3954
e1ba1f15 3955unlock:
2763eda6
SJ		 3956 hci_dev_unlock(hdev);
3957}
3958
d5e91192
AE		 3959static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3960 struct sk_buff *skb)
3961{
3962 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3963 struct hci_conn *hcon, *bredr_hcon;
3964
3965 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3966 ev->status);
3967
3968 hci_dev_lock(hdev);
3969
3970 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3971 if (!hcon) {
3972 hci_dev_unlock(hdev);
3973 return;
3974 }
3975
3976 if (ev->status) {
3977 hci_conn_del(hcon);
3978 hci_dev_unlock(hdev);
3979 return;
3980 }
3981
3982 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3983
3984 hcon->state = BT_CONNECTED;
3985 bacpy(&hcon->dst, &bredr_hcon->dst);
3986
3987 hci_conn_hold(hcon);
3988 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3989 hci_conn_drop(hcon);
d5e91192 3990
d5e91192
AE		 3991 hci_conn_add_sysfs(hcon);
3992
cf70ff22 3993 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 3994
cf70ff22 3995 hci_dev_unlock(hdev);
d5e91192
AE		 3996}
3997
27695fb4
AE		 3998static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
3999{
4000 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4001 struct hci_conn *hcon;
4002 struct hci_chan *hchan;
4003 struct amp_mgr *mgr;
4004
4005 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4006 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4007 ev->status);
4008
4009 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4010 if (!hcon)
4011 return;
4012
4013 /* Create AMP hchan */
4014 hchan = hci_chan_create(hcon);
4015 if (!hchan)
4016 return;
4017
4018 hchan->handle = le16_to_cpu(ev->handle);
4019
4020 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4021
4022 mgr = hcon->amp_mgr;
4023 if (mgr && mgr->bredr_chan) {
4024 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4025
4026 l2cap_chan_lock(bredr_chan);
4027
4028 bredr_chan->conn->mtu = hdev->block_mtu;
4029 l2cap_logical_cfm(bredr_chan, hchan, 0);
4030 hci_conn_hold(hcon);
4031
4032 l2cap_chan_unlock(bredr_chan);
4033 }
4034}
4035
606e2a10
AE		 4036static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4037 struct sk_buff *skb)
4038{
4039 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4040 struct hci_chan *hchan;
4041
4042 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4043 le16_to_cpu(ev->handle), ev->status);
4044
4045 if (ev->status)
4046 return;
4047
4048 hci_dev_lock(hdev);
4049
4050 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4051 if (!hchan)
4052 goto unlock;
4053
4054 amp_destroy_logical_link(hchan, ev->reason);
4055
4056unlock:
4057 hci_dev_unlock(hdev);
4058}
4059
9eef6b3a
AE		 4060static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4061 struct sk_buff *skb)
4062{
4063 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4064 struct hci_conn *hcon;
4065
4066 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4067
4068 if (ev->status)
4069 return;
4070
4071 hci_dev_lock(hdev);
4072
4073 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4074 if (hcon) {
4075 hcon->state = BT_CLOSED;
4076 hci_conn_del(hcon);
4077 }
4078
4079 hci_dev_unlock(hdev);
4080}
4081
6039aa73 4082static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4083{
4084 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4085 struct hci_conn_params *params;
fcd89c09 4086 struct hci_conn *conn;
68d6f6de 4087 struct smp_irk *irk;
837d502e 4088 u8 addr_type;
fcd89c09 4089
9f1db00c 4090 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4091
4092 hci_dev_lock(hdev);
4093
fbd96c15
JH		 4094 /* All controllers implicitly stop advertising in the event of a
4095 * connection, so ensure that the state bit is cleared.
4096 */
4097 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4098
b47a09b3 4099 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4100 if (!conn) {
a5c4e309 4101 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4102 if (!conn) {
4103 BT_ERR("No memory for new connection");
230fd16a 4104 goto unlock;
b62f328b 4105 }
29b7988a
AG		 4106
4107 conn->dst_type = ev->bdaddr_type;
b9b343d2 4108
cb1d68f7
JH		 4109 /* If we didn't have a hci_conn object previously
4110 * but we're in master role this must be something
4111 * initiated using a white list. Since white list based
4112 * connections are not "first class citizens" we don't
4113 * have full tracking of them. Therefore, we go ahead
4114 * with a "best effort" approach of determining the
4115 * initiator address based on the HCI_PRIVACY flag.
4116 */
4117 if (conn->out) {
4118 conn->resp_addr_type = ev->bdaddr_type;
4119 bacpy(&conn->resp_addr, &ev->bdaddr);
4120 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4121 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4122 bacpy(&conn->init_addr, &hdev->rpa);
4123 } else {
4124 hci_copy_identity_address(hdev,
4125 &conn->init_addr,
4126 &conn->init_addr_type);
4127 }
cb1d68f7 4128 }
9489eca4
JH		 4129 } else {
4130 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4131 }
fcd89c09 4132
80c24ab8
JH		 4133 if (!conn->out) {
4134 /* Set the responder (our side) address type based on
4135 * the advertising address type.
4136 */
4137 conn->resp_addr_type = hdev->adv_addr_type;
4138 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4139 bacpy(&conn->resp_addr, &hdev->random_addr);
4140 else
4141 bacpy(&conn->resp_addr, &hdev->bdaddr);
4142
4143 conn->init_addr_type = ev->bdaddr_type;
4144 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4145
4146 /* For incoming connections, set the default minimum
4147 * and maximum connection interval. They will be used
4148 * to check if the parameters are in range and if not
4149 * trigger the connection update procedure.
4150 */
4151 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4152 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4153 }
7be2edbb 4154
edb4b466
MH		 4155 /* Lookup the identity address from the stored connection
4156 * address and address type.
4157 *
4158 * When establishing connections to an identity address, the
4159 * connection procedure will store the resolvable random
4160 * address first. Now if it can be converted back into the
4161 * identity address, start using the identity address from
4162 * now on.
4163 */
4164 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4165 if (irk) {
4166 bacpy(&conn->dst, &irk->bdaddr);
4167 conn->dst_type = irk->addr_type;
4168 }
4169
837d502e
JH		 4170 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4171 addr_type = BDADDR_LE_PUBLIC;
4172 else
4173 addr_type = BDADDR_LE_RANDOM;
4174
2d3c2260
JH		 4175 if (ev->status) {
4176 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4177 goto unlock;
4178 }
4179
2d3c2260
JH		 4180 /* Drop the connection if the device is blocked */
4181 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4182 hci_conn_drop(conn);
cd17decb
AG		 4183 goto unlock;
4184 }
4185
b644ba33 4186 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4187 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4188 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4189
7b5c0d52 4190 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4191 conn->handle = __le16_to_cpu(ev->handle);
4192 conn->state = BT_CONNECTED;
4193
e04fde60
MH		 4194 conn->le_conn_interval = le16_to_cpu(ev->interval);
4195 conn->le_conn_latency = le16_to_cpu(ev->latency);
4196 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4197
fcd89c09
VT		 4198 hci_conn_add_sysfs(conn);
4199
4200 hci_proto_connect_cfm(conn, ev->status);
4201
912b42ef 4202 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
223683a5 4203 if (params)
95305baa 4204 list_del_init(&params->action);
a4790dbd 4205
fcd89c09 4206unlock:
223683a5 4207 hci_update_background_scan(hdev);
fcd89c09
VT		 4208 hci_dev_unlock(hdev);
4209}
4210
1855d92d
MH		 4211static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4212 struct sk_buff *skb)
4213{
4214 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4215 struct hci_conn *conn;
4216
4217 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4218
4219 if (ev->status)
4220 return;
4221
4222 hci_dev_lock(hdev);
4223
4224 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4225 if (conn) {
4226 conn->le_conn_interval = le16_to_cpu(ev->interval);
4227 conn->le_conn_latency = le16_to_cpu(ev->latency);
4228 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4229 }
4230
4231 hci_dev_unlock(hdev);
4232}
4233
a4790dbd 4234/* This function requires the caller holds hdev->lock */
7e899c94 4235static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4236 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4237{
4238 struct hci_conn *conn;
4239
1c1abcab
JH		 4240 /* If the event is not connectable don't proceed further */
4241 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4242 return;
1c1abcab
JH		 4243
4244 /* Ignore if the device is blocked */
dcc36c16 4245 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4246 return;
1c1abcab 4247
f99353cf
JH		 4248 /* Most controller will fail if we try to create new connections
4249 * while we have an existing one in slave role.
4250 */
4251 if (hdev->conn_hash.le_num_slave > 0)
4252 return;
4253
1c1abcab
JH		 4254 /* If we're connectable, always connect any ADV_DIRECT_IND event */
4255 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
4256 adv_type == LE_ADV_DIRECT_IND)
4257 goto connect;
4258
4259 /* If we're not connectable only connect devices that we have in
4260 * our pend_le_conns list.
4261 */
501f8827 4262 if (!hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, addr_type))
7e899c94 4263 return;
a4790dbd 4264
1c1abcab 4265connect:
a4790dbd 4266 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4267 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
a4790dbd 4268 if (!IS_ERR(conn))
7e899c94 4269 return;
a4790dbd
AG		 4270
4271 switch (PTR_ERR(conn)) {
4272 case -EBUSY:
4273 /* If hci_connect() returns -EBUSY it means there is already
4274 * an LE connection attempt going on. Since controllers don't
4275 * support more than one connection attempt at the time, we
4276 * don't consider this an error case.
4277 */
4278 break;
4279 default:
4280 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4281 }
4282}
4283
4af605d8
JH		 4284static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4285 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4286{
b9a6328f 4287 struct discovery_state *d = &hdev->discovery;
1c1abcab 4288 struct smp_irk *irk;
474ee066 4289 bool match;
c70a7e4c 4290 u32 flags;
b9a6328f 4291
1c1abcab
JH		 4292 /* Check if we need to convert to identity address */
4293 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4294 if (irk) {
4295 bdaddr = &irk->bdaddr;
4296 bdaddr_type = irk->addr_type;
4297 }
4298
4299 /* Check if we have been requested to connect to this device */
4300 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4301
0d2bf134
JH		 4302 /* Passive scanning shouldn't trigger any device found events,
4303 * except for devices marked as CONN_REPORT for which we do send
4304 * device found events.
4305 */
ca5c4be7 4306 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4307 if (type == LE_ADV_DIRECT_IND)
4308 return;
4309
3a19b6fe
JH		 4310 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4311 bdaddr, bdaddr_type))
0d2bf134
JH		 4312 return;
4313
4314 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4315 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4316 else
4317 flags = 0;
4318 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4319 rssi, flags, data, len, NULL, 0);
97bf2e99 4320 return;
ca5c4be7 4321 }
4af605d8 4322
c70a7e4c
MH		 4323 /* When receiving non-connectable or scannable undirected
4324 * advertising reports, this means that the remote device is
4325 * not connectable and then clearly indicate this in the
4326 * device found event.
4327 *
4328 * When receiving a scan response, then there is no way to
4329 * know if the remote device is connectable or not. However
4330 * since scan responses are merged with a previously seen
4331 * advertising report, the flags field from that report
4332 * will be used.
4333 *
4334 * In the really unlikely case that a controller get confused
4335 * and just sends a scan response event, then it is marked as
4336 * not connectable as well.
4337 */
4338 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4339 type == LE_ADV_SCAN_RSP)
4340 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4341 else
4342 flags = 0;
4343
b9a6328f
JH		 4344 /* If there's nothing pending either store the data from this
4345 * event or send an immediate device found event if the data
4346 * should not be stored for later.
4347 */
4348 if (!has_pending_adv_report(hdev)) {
4349 /* If the report will trigger a SCAN_REQ store it for
4350 * later merging.
4351 */
4352 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4353 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4354 rssi, flags, data, len);
b9a6328f
JH		 4355 return;
4356 }
4357
4358 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4359 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4360 return;
4361 }
4362
474ee066
JH		 4363 /* Check if the pending report is for the same device as the new one */
4364 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4365 bdaddr_type == d->last_adv_addr_type);
4366
b9a6328f
JH		 4367 /* If the pending data doesn't match this report or this isn't a
4368 * scan response (e.g. we got a duplicate ADV_IND) then force
4369 * sending of the pending data.
4370 */
474ee066
JH		 4371 if (type != LE_ADV_SCAN_RSP || !match) {
4372 /* Send out whatever is in the cache, but skip duplicates */
4373 if (!match)
4374 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4375 d->last_adv_addr_type, NULL,
c70a7e4c 4376 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4377 d->last_adv_data,
474ee066 4378 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4379
4380 /* If the new report will trigger a SCAN_REQ store it for
4381 * later merging.
4382 */
4383 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4384 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4385 rssi, flags, data, len);
b9a6328f
JH		 4386 return;
4387 }
4388
4389 /* The advertising reports cannot be merged, so clear
4390 * the pending report and send out a device found event.
4391 */
4392 clear_pending_adv_report(hdev);
5c5b93e4 4393 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4394 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4395 return;
4396 }
4397
4398 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4399 * the new event is a SCAN_RSP. We can therefore proceed with
4400 * sending a merged device found event.
4401 */
4402 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4403 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4404 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4405 clear_pending_adv_report(hdev);
4af605d8
JH		 4406}
4407
6039aa73 4408static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4409{
e95beb41
AG		 4410 u8 num_reports = skb->data[0];
4411 void *ptr = &skb->data[1];
9aa04c91 4412
a4790dbd
AG		 4413 hci_dev_lock(hdev);
4414
e95beb41
AG		 4415 while (num_reports--) {
4416 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4417 s8 rssi;
a4790dbd 4418
3c9e9195 4419 rssi = ev->data[ev->length];
4af605d8
JH		 4420 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4421 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4422
e95beb41 4423 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4424 }
a4790dbd
AG		 4425
4426 hci_dev_unlock(hdev);
9aa04c91
AG		 4427}
4428
6039aa73 4429static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4430{
4431 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4432 struct hci_cp_le_ltk_reply cp;
bea710fe 4433 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4434 struct hci_conn *conn;
c9839a11 4435 struct smp_ltk *ltk;
a7a595f6 4436
9f1db00c 4437 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4438
4439 hci_dev_lock(hdev);
4440
4441 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4442 if (conn == NULL)
4443 goto not_found;
a7a595f6 4444
e804d25d 4445 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4446 if (ltk == NULL)
4447 goto not_found;
4448
4449 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4450 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4451
4452 if (ltk->authenticated)
f8776218
AG		 4453 conn->pending_sec_level = BT_SECURITY_HIGH;
4454 else
4455 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4456
89cbb4da 4457 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4458
4459 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4460
5981a882
CT		 4461 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4462 * temporary key used to encrypt a connection following
4463 * pairing. It is used during the Encrypted Session Setup to
4464 * distribute the keys. Later, security can be re-established
4465 * using a distributed LTK.
4466 */
2ceba539 4467 if (ltk->type == SMP_STK) {
fe59a05f 4468 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4469 list_del(&ltk->list);
4470 kfree(ltk);
fe59a05f
JH		 4471 } else {
4472 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4473 }
4474
a7a595f6 4475 hci_dev_unlock(hdev);
bea710fe
VCG		 4476
4477 return;
4478
4479not_found:
4480 neg.handle = ev->handle;
4481 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4482 hci_dev_unlock(hdev);
a7a595f6
VCG		 4483}
4484
8e75b46a
AG		 4485static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4486 u8 reason)
4487{
4488 struct hci_cp_le_conn_param_req_neg_reply cp;
4489
4490 cp.handle = cpu_to_le16(handle);
4491 cp.reason = reason;
4492
4493 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4494 &cp);
4495}
4496
4497static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4498 struct sk_buff *skb)
4499{
4500 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4501 struct hci_cp_le_conn_param_req_reply cp;
4502 struct hci_conn *hcon;
4503 u16 handle, min, max, latency, timeout;
4504
4505 handle = le16_to_cpu(ev->handle);
4506 min = le16_to_cpu(ev->interval_min);
4507 max = le16_to_cpu(ev->interval_max);
4508 latency = le16_to_cpu(ev->latency);
4509 timeout = le16_to_cpu(ev->timeout);
4510
4511 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4512 if (!hcon || hcon->state != BT_CONNECTED)
4513 return send_conn_param_neg_reply(hdev, handle,
4514 HCI_ERROR_UNKNOWN_CONN_ID);
4515
4516 if (hci_check_conn_params(min, max, latency, timeout))
4517 return send_conn_param_neg_reply(hdev, handle,
4518 HCI_ERROR_INVALID_LL_PARAMS);
4519
40bef302 4520 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4521 struct hci_conn_params *params;
f4869e2a 4522 u8 store_hint;
348d50b8
JH		 4523
4524 hci_dev_lock(hdev);
4525
4526 params = hci_conn_params_lookup(hdev, &hcon->dst,
4527 hcon->dst_type);
4528 if (params) {
4529 params->conn_min_interval = min;
4530 params->conn_max_interval = max;
4531 params->conn_latency = latency;
4532 params->supervision_timeout = timeout;
f4869e2a
JH		 4533 store_hint = 0x01;
4534 } else{
4535 store_hint = 0x00;
348d50b8
JH		 4536 }
4537
4538 hci_dev_unlock(hdev);
4539
f4869e2a
JH		 4540 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4541 store_hint, min, max, latency, timeout);
348d50b8 4542 }
ffb5a827 4543
8e75b46a
AG		 4544 cp.handle = ev->handle;
4545 cp.interval_min = ev->interval_min;
4546 cp.interval_max = ev->interval_max;
4547 cp.latency = ev->latency;
4548 cp.timeout = ev->timeout;
4549 cp.min_ce_len = 0;
4550 cp.max_ce_len = 0;
4551
4552 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4553}
4554
6039aa73 4555static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4556{
4557 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4558
4559 skb_pull(skb, sizeof(*le_ev));
4560
4561 switch (le_ev->subevent) {
4562 case HCI_EV_LE_CONN_COMPLETE:
4563 hci_le_conn_complete_evt(hdev, skb);
4564 break;
4565
1855d92d
MH		 4566 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4567 hci_le_conn_update_complete_evt(hdev, skb);
4568 break;
4569
9aa04c91
AG		 4570 case HCI_EV_LE_ADVERTISING_REPORT:
4571 hci_le_adv_report_evt(hdev, skb);
4572 break;
4573
a7a595f6
VCG		 4574 case HCI_EV_LE_LTK_REQ:
4575 hci_le_ltk_request_evt(hdev, skb);
4576 break;
4577
8e75b46a
AG		 4578 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4579 hci_le_remote_conn_param_req_evt(hdev, skb);
4580 break;
4581
fcd89c09
VT		 4582 default:
4583 break;
4584 }
4585}
4586
9495b2ee
AE		 4587static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4588{
4589 struct hci_ev_channel_selected *ev = (void *) skb->data;
4590 struct hci_conn *hcon;
4591
4592 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4593
4594 skb_pull(skb, sizeof(*ev));
4595
4596 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4597 if (!hcon)
4598 return;
4599
4600 amp_read_loc_assoc_final_data(hdev, hcon);
4601}
4602
a9de9248
MH		 4603void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4604{
4605 struct hci_event_hdr *hdr = (void *) skb->data;
4606 __u8 event = hdr->evt;
4607
b6ddb638
JH		 4608 hci_dev_lock(hdev);
4609
4610 /* Received events are (currently) only needed when a request is
4611 * ongoing so avoid unnecessary memory allocation.
4612 */
899de765 4613 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4614 kfree_skb(hdev->recv_evt);
4615 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4616 }
4617
4618 hci_dev_unlock(hdev);
4619
a9de9248
MH		 4620 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4621
02350a72 4622 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4623 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4624 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4625
4626 hci_req_cmd_complete(hdev, opcode, 0);
4627 }
4628
a9de9248 4629 switch (event) {
1da177e4
LT		 4630 case HCI_EV_INQUIRY_COMPLETE:
4631 hci_inquiry_complete_evt(hdev, skb);
4632 break;
4633
4634 case HCI_EV_INQUIRY_RESULT:
4635 hci_inquiry_result_evt(hdev, skb);
4636 break;
4637
a9de9248
MH		 4638 case HCI_EV_CONN_COMPLETE:
4639 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4640 break;
4641
1da177e4
LT		 4642 case HCI_EV_CONN_REQUEST:
4643 hci_conn_request_evt(hdev, skb);
4644 break;
4645
1da177e4
LT		 4646 case HCI_EV_DISCONN_COMPLETE:
4647 hci_disconn_complete_evt(hdev, skb);
4648 break;
4649
1da177e4
LT		 4650 case HCI_EV_AUTH_COMPLETE:
4651 hci_auth_complete_evt(hdev, skb);
4652 break;
4653
a9de9248
MH		 4654 case HCI_EV_REMOTE_NAME:
4655 hci_remote_name_evt(hdev, skb);
4656 break;
4657
1da177e4
LT		 4658 case HCI_EV_ENCRYPT_CHANGE:
4659 hci_encrypt_change_evt(hdev, skb);
4660 break;
4661
a9de9248
MH		 4662 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4663 hci_change_link_key_complete_evt(hdev, skb);
4664 break;
4665
4666 case HCI_EV_REMOTE_FEATURES:
4667 hci_remote_features_evt(hdev, skb);
4668 break;
4669
a9de9248
MH		 4670 case HCI_EV_CMD_COMPLETE:
4671 hci_cmd_complete_evt(hdev, skb);
4672 break;
4673
4674 case HCI_EV_CMD_STATUS:
4675 hci_cmd_status_evt(hdev, skb);
4676 break;
4677
4678 case HCI_EV_ROLE_CHANGE:
4679 hci_role_change_evt(hdev, skb);
4680 break;
4681
4682 case HCI_EV_NUM_COMP_PKTS:
4683 hci_num_comp_pkts_evt(hdev, skb);
4684 break;
4685
4686 case HCI_EV_MODE_CHANGE:
4687 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4688 break;
4689
4690 case HCI_EV_PIN_CODE_REQ:
4691 hci_pin_code_request_evt(hdev, skb);
4692 break;
4693
4694 case HCI_EV_LINK_KEY_REQ:
4695 hci_link_key_request_evt(hdev, skb);
4696 break;
4697
4698 case HCI_EV_LINK_KEY_NOTIFY:
4699 hci_link_key_notify_evt(hdev, skb);
4700 break;
4701
4702 case HCI_EV_CLOCK_OFFSET:
4703 hci_clock_offset_evt(hdev, skb);
4704 break;
4705
a8746417
MH		 4706 case HCI_EV_PKT_TYPE_CHANGE:
4707 hci_pkt_type_change_evt(hdev, skb);
4708 break;
4709
85a1e930
MH		 4710 case HCI_EV_PSCAN_REP_MODE:
4711 hci_pscan_rep_mode_evt(hdev, skb);
4712 break;
4713
a9de9248
MH		 4714 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4715 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4716 break;
4717
a9de9248
MH		 4718 case HCI_EV_REMOTE_EXT_FEATURES:
4719 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4720 break;
4721
a9de9248
MH		 4722 case HCI_EV_SYNC_CONN_COMPLETE:
4723 hci_sync_conn_complete_evt(hdev, skb);
4724 break;
1da177e4 4725
a9de9248
MH		 4726 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4727 hci_extended_inquiry_result_evt(hdev, skb);
4728 break;
1da177e4 4729
1c2e0041
JH		 4730 case HCI_EV_KEY_REFRESH_COMPLETE:
4731 hci_key_refresh_complete_evt(hdev, skb);
4732 break;
4733
0493684e
MH		 4734 case HCI_EV_IO_CAPA_REQUEST:
4735 hci_io_capa_request_evt(hdev, skb);
4736 break;
4737
03b555e1
JH		 4738 case HCI_EV_IO_CAPA_REPLY:
4739 hci_io_capa_reply_evt(hdev, skb);
4740 break;
4741
a5c29683
JH		 4742 case HCI_EV_USER_CONFIRM_REQUEST:
4743 hci_user_confirm_request_evt(hdev, skb);
4744 break;
4745
1143d458
BG		 4746 case HCI_EV_USER_PASSKEY_REQUEST:
4747 hci_user_passkey_request_evt(hdev, skb);
4748 break;
4749
92a25256
JH		 4750 case HCI_EV_USER_PASSKEY_NOTIFY:
4751 hci_user_passkey_notify_evt(hdev, skb);
4752 break;
4753
4754 case HCI_EV_KEYPRESS_NOTIFY:
4755 hci_keypress_notify_evt(hdev, skb);
4756 break;
4757
0493684e
MH		 4758 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4759 hci_simple_pair_complete_evt(hdev, skb);
4760 break;
4761
41a96212
MH		 4762 case HCI_EV_REMOTE_HOST_FEATURES:
4763 hci_remote_host_features_evt(hdev, skb);
4764 break;
4765
fcd89c09
VT		 4766 case HCI_EV_LE_META:
4767 hci_le_meta_evt(hdev, skb);
4768 break;
4769
9495b2ee
AE		 4770 case HCI_EV_CHANNEL_SELECTED:
4771 hci_chan_selected_evt(hdev, skb);
4772 break;
4773
2763eda6
SJ		 4774 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4775 hci_remote_oob_data_request_evt(hdev, skb);
4776 break;
4777
d5e91192
AE		 4778 case HCI_EV_PHY_LINK_COMPLETE:
4779 hci_phy_link_complete_evt(hdev, skb);
4780 break;
4781
27695fb4
AE		 4782 case HCI_EV_LOGICAL_LINK_COMPLETE:
4783 hci_loglink_complete_evt(hdev, skb);
4784 break;
4785
606e2a10
AE		 4786 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4787 hci_disconn_loglink_complete_evt(hdev, skb);
4788 break;
4789
9eef6b3a
AE		 4790 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4791 hci_disconn_phylink_complete_evt(hdev, skb);
4792 break;
4793
25e89e99
AE		 4794 case HCI_EV_NUM_COMP_BLOCKS:
4795 hci_num_comp_blocks_evt(hdev, skb);
4796 break;
4797
a9de9248 4798 default:
9f1db00c 4799 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4800 break;
4801 }
4802
4803 kfree_skb(skb);
4804 hdev->stat.evt_rx++;
4805}
Linux kernel - Deliverables
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