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Bluetooth: Convert HCI_CONN_MASTER flag to a conn->role variable
[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) {
1417 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1418 if (conn) {
40bef302
JH		 1419 conn->out = true;
1420 conn->role = HCI_ROLE_MASTER;
1da177e4 1421 } else
893ef971 1422 BT_ERR("No memory for new connection");
1da177e4
LT		 1423 }
1424 }
1425
1426 hci_dev_unlock(hdev);
1427}
1428
a9de9248 1429static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1430{
a9de9248
MH		 1431 struct hci_cp_add_sco *cp;
1432 struct hci_conn *acl, *sco;
1433 __u16 handle;
1da177e4 1434
9f1db00c 1435 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1436
a9de9248
MH		 1437 if (!status)
1438 return;
1da177e4 1439
a9de9248
MH		 1440 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1441 if (!cp)
1442 return;
1da177e4 1443
a9de9248 1444 handle = __le16_to_cpu(cp->handle);
1da177e4 1445
9f1db00c 1446 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1447
a9de9248 1448 hci_dev_lock(hdev);
1da177e4 1449
a9de9248 1450 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1451 if (acl) {
1452 sco = acl->link;
1453 if (sco) {
1454 sco->state = BT_CLOSED;
1da177e4 1455
5a08ecce
AE		 1456 hci_proto_connect_cfm(sco, status);
1457 hci_conn_del(sco);
1458 }
a9de9248 1459 }
1da177e4 1460
a9de9248
MH		 1461 hci_dev_unlock(hdev);
1462}
1da177e4 1463
f8558555
MH		 1464static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1465{
1466 struct hci_cp_auth_requested *cp;
1467 struct hci_conn *conn;
1468
9f1db00c 1469 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1470
1471 if (!status)
1472 return;
1473
1474 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1475 if (!cp)
1476 return;
1477
1478 hci_dev_lock(hdev);
1479
1480 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1481 if (conn) {
1482 if (conn->state == BT_CONFIG) {
1483 hci_proto_connect_cfm(conn, status);
76a68ba0 1484 hci_conn_drop(conn);
f8558555
MH		 1485 }
1486 }
1487
1488 hci_dev_unlock(hdev);
1489}
1490
1491static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1492{
1493 struct hci_cp_set_conn_encrypt *cp;
1494 struct hci_conn *conn;
1495
9f1db00c 1496 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1497
1498 if (!status)
1499 return;
1500
1501 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1502 if (!cp)
1503 return;
1504
1505 hci_dev_lock(hdev);
1506
1507 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1508 if (conn) {
1509 if (conn->state == BT_CONFIG) {
1510 hci_proto_connect_cfm(conn, status);
76a68ba0 1511 hci_conn_drop(conn);
f8558555
MH		 1512 }
1513 }
1514
1515 hci_dev_unlock(hdev);
1516}
1517
127178d2 1518static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1519 struct hci_conn *conn)
392599b9 1520{
392599b9
JH		 1521 if (conn->state != BT_CONFIG || !conn->out)
1522 return 0;
1523
765c2a96 1524 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1525 return 0;
1526
1527 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1528 * devices with sec_level MEDIUM or HIGH or if MITM protection
1529 * is requested.
1530 */
807deac2 1531 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1532 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1533 conn->pending_sec_level != BT_SECURITY_HIGH &&
1534 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1535 return 0;
1536
392599b9
JH		 1537 return 1;
1538}
1539
6039aa73 1540static int hci_resolve_name(struct hci_dev *hdev,
04124681 1541 struct inquiry_entry *e)
30dc78e1
JH		 1542{
1543 struct hci_cp_remote_name_req cp;
1544
1545 memset(&cp, 0, sizeof(cp));
1546
1547 bacpy(&cp.bdaddr, &e->data.bdaddr);
1548 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1549 cp.pscan_mode = e->data.pscan_mode;
1550 cp.clock_offset = e->data.clock_offset;
1551
1552 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1553}
1554
b644ba33 1555static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1556{
1557 struct discovery_state *discov = &hdev->discovery;
1558 struct inquiry_entry *e;
1559
b644ba33
JH		 1560 if (list_empty(&discov->resolve))
1561 return false;
1562
1563 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1564 if (!e)
1565 return false;
1566
b644ba33
JH		 1567 if (hci_resolve_name(hdev, e) == 0) {
1568 e->name_state = NAME_PENDING;
1569 return true;
1570 }
1571
1572 return false;
1573}
1574
1575static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1576 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1577{
1578 struct discovery_state *discov = &hdev->discovery;
1579 struct inquiry_entry *e;
1580
1581 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP		 1582 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1583 name_len, conn->dev_class);
b644ba33
JH		 1584
1585 if (discov->state == DISCOVERY_STOPPED)
1586 return;
1587
30dc78e1
JH		 1588 if (discov->state == DISCOVERY_STOPPING)
1589 goto discov_complete;
1590
1591 if (discov->state != DISCOVERY_RESOLVING)
1592 return;
1593
1594 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1595 /* If the device was not found in a list of found devices names of which
1596 * are pending. there is no need to continue resolving a next name as it
1597 * will be done upon receiving another Remote Name Request Complete
1598 * Event */
1599 if (!e)
1600 return;
1601
1602 list_del(&e->list);
1603 if (name) {
30dc78e1 1604 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1605 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1606 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1607 } else {
1608 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1609 }
1610
b644ba33 1611 if (hci_resolve_next_name(hdev))
30dc78e1 1612 return;
30dc78e1
JH		 1613
1614discov_complete:
1615 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1616}
1617
a9de9248
MH		 1618static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1619{
127178d2
JH		 1620 struct hci_cp_remote_name_req *cp;
1621 struct hci_conn *conn;
1622
9f1db00c 1623 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1624
1625 /* If successful wait for the name req complete event before
1626 * checking for the need to do authentication */
1627 if (!status)
1628 return;
1629
1630 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1631 if (!cp)
1632 return;
1633
1634 hci_dev_lock(hdev);
1635
b644ba33
JH		 1636 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1637
a8b2d5c2 1638 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1639 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1640
79c6c70c
JH		 1641 if (!conn)
1642 goto unlock;
1643
1644 if (!hci_outgoing_auth_needed(hdev, conn))
1645 goto unlock;
1646
51a8efd7 1647 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1648 struct hci_cp_auth_requested auth_cp;
1649
1650 auth_cp.handle = __cpu_to_le16(conn->handle);
1651 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1652 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1653 }
1654
79c6c70c 1655unlock:
127178d2 1656 hci_dev_unlock(hdev);
a9de9248 1657}
1da177e4 1658
769be974
MH		 1659static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1660{
1661 struct hci_cp_read_remote_features *cp;
1662 struct hci_conn *conn;
1663
9f1db00c 1664 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1665
1666 if (!status)
1667 return;
1668
1669 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1670 if (!cp)
1671 return;
1672
1673 hci_dev_lock(hdev);
1674
1675 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1676 if (conn) {
1677 if (conn->state == BT_CONFIG) {
769be974 1678 hci_proto_connect_cfm(conn, status);
76a68ba0 1679 hci_conn_drop(conn);
769be974
MH		 1680 }
1681 }
1682
1683 hci_dev_unlock(hdev);
1684}
1685
1686static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1687{
1688 struct hci_cp_read_remote_ext_features *cp;
1689 struct hci_conn *conn;
1690
9f1db00c 1691 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1692
1693 if (!status)
1694 return;
1695
1696 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1697 if (!cp)
1698 return;
1699
1700 hci_dev_lock(hdev);
1701
1702 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1703 if (conn) {
1704 if (conn->state == BT_CONFIG) {
769be974 1705 hci_proto_connect_cfm(conn, status);
76a68ba0 1706 hci_conn_drop(conn);
769be974
MH		 1707 }
1708 }
1709
1710 hci_dev_unlock(hdev);
1711}
1712
a9de9248
MH		 1713static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1714{
b6a0dc82
MH		 1715 struct hci_cp_setup_sync_conn *cp;
1716 struct hci_conn *acl, *sco;
1717 __u16 handle;
1718
9f1db00c 1719 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1720
1721 if (!status)
1722 return;
1723
1724 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1725 if (!cp)
1726 return;
1727
1728 handle = __le16_to_cpu(cp->handle);
1729
9f1db00c 1730 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1731
1732 hci_dev_lock(hdev);
1733
1734 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1735 if (acl) {
1736 sco = acl->link;
1737 if (sco) {
1738 sco->state = BT_CLOSED;
b6a0dc82 1739
5a08ecce
AE		 1740 hci_proto_connect_cfm(sco, status);
1741 hci_conn_del(sco);
1742 }
b6a0dc82
MH		 1743 }
1744
1745 hci_dev_unlock(hdev);
1da177e4
LT		 1746}
1747
a9de9248 1748static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1749{
a9de9248
MH		 1750 struct hci_cp_sniff_mode *cp;
1751 struct hci_conn *conn;
1da177e4 1752
9f1db00c 1753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1754
a9de9248
MH		 1755 if (!status)
1756 return;
04837f64 1757
a9de9248
MH		 1758 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1759 if (!cp)
1760 return;
04837f64 1761
a9de9248 1762 hci_dev_lock(hdev);
04837f64 1763
a9de9248 1764 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1765 if (conn) {
51a8efd7 1766 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1767
51a8efd7 1768 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1769 hci_sco_setup(conn, status);
1770 }
1771
a9de9248
MH		 1772 hci_dev_unlock(hdev);
1773}
04837f64 1774
a9de9248
MH		 1775static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1776{
1777 struct hci_cp_exit_sniff_mode *cp;
1778 struct hci_conn *conn;
04837f64 1779
9f1db00c 1780 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1781
a9de9248
MH		 1782 if (!status)
1783 return;
04837f64 1784
a9de9248
MH		 1785 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1786 if (!cp)
1787 return;
04837f64 1788
a9de9248 1789 hci_dev_lock(hdev);
1da177e4 1790
a9de9248 1791 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1792 if (conn) {
51a8efd7 1793 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1794
51a8efd7 1795 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1796 hci_sco_setup(conn, status);
1797 }
1798
a9de9248 1799 hci_dev_unlock(hdev);
1da177e4
LT		 1800}
1801
88c3df13
JH		 1802static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1803{
1804 struct hci_cp_disconnect *cp;
1805 struct hci_conn *conn;
1806
1807 if (!status)
1808 return;
1809
1810 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1811 if (!cp)
1812 return;
1813
1814 hci_dev_lock(hdev);
1815
1816 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1817 if (conn)
1818 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1819 conn->dst_type, status);
88c3df13
JH		 1820
1821 hci_dev_unlock(hdev);
1822}
1823
a02226d6
AE		 1824static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1825{
93c284ee
AE		 1826 struct hci_cp_create_phy_link *cp;
1827
a02226d6 1828 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1829
93c284ee
AE		 1830 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1831 if (!cp)
1832 return;
1833
e58917b9
AE		 1834 hci_dev_lock(hdev);
1835
1836 if (status) {
1837 struct hci_conn *hcon;
1838
1839 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1840 if (hcon)
1841 hci_conn_del(hcon);
1842 } else {
1843 amp_write_remote_assoc(hdev, cp->phy_handle);
1844 }
1845
1846 hci_dev_unlock(hdev);
a02226d6
AE		 1847}
1848
0b26ab9d
AE		 1849static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1850{
1851 struct hci_cp_accept_phy_link *cp;
1852
1853 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1854
1855 if (status)
1856 return;
1857
1858 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1859 if (!cp)
1860 return;
1861
1862 amp_write_remote_assoc(hdev, cp->phy_handle);
1863}
1864
cb1d68f7
JH		 1865static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1866{
1867 struct hci_cp_le_create_conn *cp;
1868 struct hci_conn *conn;
1869
1870 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1871
1872 /* All connection failure handling is taken care of by the
1873 * hci_le_conn_failed function which is triggered by the HCI
1874 * request completion callbacks used for connecting.
1875 */
1876 if (status)
1877 return;
1878
1879 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1880 if (!cp)
1881 return;
1882
1883 hci_dev_lock(hdev);
1884
1885 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1886 if (!conn)
1887 goto unlock;
1888
1889 /* Store the initiator and responder address information which
1890 * is needed for SMP. These values will not change during the
1891 * lifetime of the connection.
1892 */
1893 conn->init_addr_type = cp->own_address_type;
1894 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1895 bacpy(&conn->init_addr, &hdev->random_addr);
1896 else
1897 bacpy(&conn->init_addr, &hdev->bdaddr);
1898
1899 conn->resp_addr_type = cp->peer_addr_type;
1900 bacpy(&conn->resp_addr, &cp->peer_addr);
1901
9489eca4
JH		 1902 /* We don't want the connection attempt to stick around
1903 * indefinitely since LE doesn't have a page timeout concept
1904 * like BR/EDR. Set a timer for any connection that doesn't use
1905 * the white list for connecting.
1906 */
1907 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1908 queue_delayed_work(conn->hdev->workqueue,
1909 &conn->le_conn_timeout,
09ae260b 1910 conn->conn_timeout);
9489eca4 1911
cb1d68f7
JH		 1912unlock:
1913 hci_dev_unlock(hdev);
1914}
1915
81d0c8ad
JH		 1916static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1917{
1918 struct hci_cp_le_start_enc *cp;
1919 struct hci_conn *conn;
1920
1921 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1922
1923 if (!status)
1924 return;
1925
1926 hci_dev_lock(hdev);
1927
1928 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1929 if (!cp)
1930 goto unlock;
1931
1932 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1933 if (!conn)
1934 goto unlock;
1935
1936 if (conn->state != BT_CONNECTED)
1937 goto unlock;
1938
1939 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1940 hci_conn_drop(conn);
1941
1942unlock:
1943 hci_dev_unlock(hdev);
1944}
1945
6039aa73 1946static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1947{
1948 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1949 struct discovery_state *discov = &hdev->discovery;
1950 struct inquiry_entry *e;
1da177e4 1951
9f1db00c 1952 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1953
a9de9248 1954 hci_conn_check_pending(hdev);
89352e7d
AG		 1955
1956 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1957 return;
1958
4e857c58 1959 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1960 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1961
a8b2d5c2 1962 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1963 return;
1964
56e5cb86 1965 hci_dev_lock(hdev);
30dc78e1 1966
343f935b 1967 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1968 goto unlock;
1969
1970 if (list_empty(&discov->resolve)) {
1971 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1972 goto unlock;
1973 }
1974
1975 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1976 if (e && hci_resolve_name(hdev, e) == 0) {
1977 e->name_state = NAME_PENDING;
1978 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1979 } else {
1980 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1981 }
1982
1983unlock:
56e5cb86 1984 hci_dev_unlock(hdev);
1da177e4
LT		 1985}
1986
6039aa73 1987static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1988{
45bb4bf0 1989 struct inquiry_data data;
a9de9248 1990 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1991 int num_rsp = *((__u8 *) skb->data);
1992
1993 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1994
45bb4bf0
MH		 1995 if (!num_rsp)
1996 return;
1997
1519cc17
AG		 1998 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1999 return;
2000
1da177e4 2001 hci_dev_lock(hdev);
45bb4bf0 2002
e17acd40 2003 for (; num_rsp; num_rsp--, info++) {
af58925c 2004 u32 flags;
3175405b 2005
1da177e4
LT		 2006 bacpy(&data.bdaddr, &info->bdaddr);
2007 data.pscan_rep_mode = info->pscan_rep_mode;
2008 data.pscan_period_mode = info->pscan_period_mode;
2009 data.pscan_mode = info->pscan_mode;
2010 memcpy(data.dev_class, info->dev_class, 3);
2011 data.clock_offset = info->clock_offset;
2012 data.rssi = 0x00;
41a96212 2013 data.ssp_mode = 0x00;
3175405b 2014
af58925c
MH		 2015 flags = hci_inquiry_cache_update(hdev, &data, false);
2016
48264f06 2017 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2018 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2019 }
45bb4bf0 2020
1da177e4
LT		 2021 hci_dev_unlock(hdev);
2022}
2023
6039aa73 2024static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2025{
a9de9248
MH		 2026 struct hci_ev_conn_complete *ev = (void *) skb->data;
2027 struct hci_conn *conn;
1da177e4
LT		 2028
2029 BT_DBG("%s", hdev->name);
2030
2031 hci_dev_lock(hdev);
2032
2033 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2034 if (!conn) {
2035 if (ev->link_type != SCO_LINK)
2036 goto unlock;
2037
2038 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2039 if (!conn)
2040 goto unlock;
2041
2042 conn->type = SCO_LINK;
2043 }
1da177e4
LT		 2044
2045 if (!ev->status) {
2046 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2047
2048 if (conn->type == ACL_LINK) {
2049 conn->state = BT_CONFIG;
2050 hci_conn_hold(conn);
a9ea3ed9
SJ		 2051
2052 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2053 !hci_find_link_key(hdev, &ev->bdaddr))
2054 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2055 else
2056 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2057 } else
2058 conn->state = BT_CONNECTED;
1da177e4 2059
7d0db0a3
MH		 2060 hci_conn_add_sysfs(conn);
2061
1da177e4 2062 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2063 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2064
2065 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2066 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2067
04837f64
MH		 2068 /* Get remote features */
2069 if (conn->type == ACL_LINK) {
2070 struct hci_cp_read_remote_features cp;
2071 cp.handle = ev->handle;
769be974 2072 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2073 sizeof(cp), &cp);
04837f64
MH		 2074 }
2075
1da177e4 2076 /* Set packet type for incoming connection */
d095c1eb 2077 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2078 struct hci_cp_change_conn_ptype cp;
2079 cp.handle = ev->handle;
a8746417 2080 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2081 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2082 &cp);
1da177e4 2083 }
17d5c04c 2084 } else {
1da177e4 2085 conn->state = BT_CLOSED;
17d5c04c 2086 if (conn->type == ACL_LINK)
64c7b77c 2087 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2088 conn->dst_type, ev->status);
17d5c04c 2089 }
1da177e4 2090
e73439d8
MH		 2091 if (conn->type == ACL_LINK)
2092 hci_sco_setup(conn, ev->status);
1da177e4 2093
769be974
MH		 2094 if (ev->status) {
2095 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2096 hci_conn_del(conn);
c89b6e6b
MH		 2097 } else if (ev->link_type != ACL_LINK)
2098 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2099
a9de9248 2100unlock:
1da177e4 2101 hci_dev_unlock(hdev);
1da177e4 2102
a9de9248 2103 hci_conn_check_pending(hdev);
1da177e4
LT		 2104}
2105
70c46425
JH		 2106static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2107{
2108 struct hci_cp_reject_conn_req cp;
2109
2110 bacpy(&cp.bdaddr, bdaddr);
2111 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2112 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2113}
2114
6039aa73 2115static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2116{
a9de9248
MH		 2117 struct hci_ev_conn_request *ev = (void *) skb->data;
2118 int mask = hdev->link_mode;
70c46425
JH		 2119 struct inquiry_entry *ie;
2120 struct hci_conn *conn;
20714bfe 2121 __u8 flags = 0;
1da177e4 2122
6ed93dc6 2123 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2124 ev->link_type);
1da177e4 2125
20714bfe
FD		 2126 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2127 &flags);
1da177e4 2128
70c46425
JH		 2129 if (!(mask & HCI_LM_ACCEPT)) {
2130 hci_reject_conn(hdev, &ev->bdaddr);
2131 return;
2132 }
2133
a55bd29d
JH		 2134 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
2135 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2136 BDADDR_BREDR)) {
2137 hci_reject_conn(hdev, &ev->bdaddr);
2138 return;
2139 }
2140 } else {
2141 if (!hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2142 BDADDR_BREDR)) {
2143 hci_reject_conn(hdev, &ev->bdaddr);
2144 return;
2145 }
70c46425 2146 }
1da177e4 2147
70c46425 2148 /* Connection accepted */
b6a0dc82 2149
70c46425
JH		 2150 hci_dev_lock(hdev);
2151
2152 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2153 if (ie)
2154 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2155
70c46425
JH		 2156 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2157 &ev->bdaddr);
2158 if (!conn) {
2159 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
a9de9248 2160 if (!conn) {
70c46425
JH		 2161 BT_ERR("No memory for new connection");
2162 hci_dev_unlock(hdev);
2163 return;
1da177e4 2164 }
70c46425 2165 }
b6a0dc82 2166
70c46425 2167 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2168
70c46425 2169 hci_dev_unlock(hdev);
1da177e4 2170
70c46425
JH		 2171 if (ev->link_type == ACL_LINK ||
2172 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2173 struct hci_cp_accept_conn_req cp;
2174 conn->state = BT_CONNECT;
1da177e4 2175
70c46425 2176 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2177
70c46425
JH		 2178 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2179 cp.role = 0x00; /* Become master */
2180 else
2181 cp.role = 0x01; /* Remain slave */
b6a0dc82 2182
70c46425
JH		 2183 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2184 } else if (!(flags & HCI_PROTO_DEFER)) {
2185 struct hci_cp_accept_sync_conn_req cp;
2186 conn->state = BT_CONNECT;
b6a0dc82 2187
70c46425
JH		 2188 bacpy(&cp.bdaddr, &ev->bdaddr);
2189 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2190
70c46425
JH		 2191 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2192 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2193 cp.max_latency = cpu_to_le16(0xffff);
2194 cp.content_format = cpu_to_le16(hdev->voice_setting);
2195 cp.retrans_effort = 0xff;
1da177e4 2196
70c46425
JH		 2197 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2198 &cp);
a9de9248 2199 } else {
70c46425
JH		 2200 conn->state = BT_CONNECT2;
2201 hci_proto_connect_cfm(conn, 0);
1da177e4 2202 }
1da177e4
LT		 2203}
2204
f0d6a0ea
MA		 2205static u8 hci_to_mgmt_reason(u8 err)
2206{
2207 switch (err) {
2208 case HCI_ERROR_CONNECTION_TIMEOUT:
2209 return MGMT_DEV_DISCONN_TIMEOUT;
2210 case HCI_ERROR_REMOTE_USER_TERM:
2211 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2212 case HCI_ERROR_REMOTE_POWER_OFF:
2213 return MGMT_DEV_DISCONN_REMOTE;
2214 case HCI_ERROR_LOCAL_HOST_TERM:
2215 return MGMT_DEV_DISCONN_LOCAL_HOST;
2216 default:
2217 return MGMT_DEV_DISCONN_UNKNOWN;
2218 }
2219}
2220
6039aa73 2221static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2222{
a9de9248 2223 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2224 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2225 struct hci_conn_params *params;
04837f64 2226 struct hci_conn *conn;
12d4a3b2 2227 bool mgmt_connected;
3846220b 2228 u8 type;
04837f64 2229
9f1db00c 2230 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2231
2232 hci_dev_lock(hdev);
2233
2234 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2235 if (!conn)
2236 goto unlock;
7d0db0a3 2237
abf54a50
AG		 2238 if (ev->status) {
2239 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2240 conn->dst_type, ev->status);
2241 goto unlock;
37d9ef76 2242 }
f7520543 2243
3846220b
AG		 2244 conn->state = BT_CLOSED;
2245
12d4a3b2
JH		 2246 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2247 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2248 reason, mgmt_connected);
abf54a50 2249
af6a9c32
JH		 2250 if (conn->type == ACL_LINK &&
2251 test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
3846220b 2252 hci_remove_link_key(hdev, &conn->dst);
2210246c 2253
9fcb18ef
AG		 2254 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2255 if (params) {
2256 switch (params->auto_connect) {
2257 case HCI_AUTO_CONN_LINK_LOSS:
2258 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2259 break;
2260 /* Fall through */
2261
2262 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2263 list_del_init(&params->action);
2264 list_add(&params->action, &hdev->pend_le_conns);
2265 hci_update_background_scan(hdev);
9fcb18ef
AG		 2266 break;
2267
2268 default:
2269 break;
2270 }
2271 }
2272
3846220b 2273 type = conn->type;
2210246c 2274
3846220b
AG		 2275 hci_proto_disconn_cfm(conn, ev->reason);
2276 hci_conn_del(conn);
2277
2278 /* Re-enable advertising if necessary, since it might
2279 * have been disabled by the connection. From the
2280 * HCI_LE_Set_Advertise_Enable command description in
2281 * the core specification (v4.0):
2282 * "The Controller shall continue advertising until the Host
2283 * issues an LE_Set_Advertise_Enable command with
2284 * Advertising_Enable set to 0x00 (Advertising is disabled)
2285 * or until a connection is created or until the Advertising
2286 * is timed out due to Directed Advertising."
2287 */
2288 if (type == LE_LINK)
2289 mgmt_reenable_advertising(hdev);
f7520543
JH		 2290
2291unlock:
04837f64
MH		 2292 hci_dev_unlock(hdev);
2293}
2294
6039aa73 2295static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2296{
a9de9248 2297 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2298 struct hci_conn *conn;
1da177e4 2299
9f1db00c 2300 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2301
2302 hci_dev_lock(hdev);
2303
04837f64 2304 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2305 if (!conn)
2306 goto unlock;
2307
2308 if (!ev->status) {
aa64a8b5 2309 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2310 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2311 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2312 } else {
4dae2798 2313 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2314 conn->sec_level = conn->pending_sec_level;
2a611692 2315 }
d7556e20 2316 } else {
bab73cb6 2317 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 2318 ev->status);
d7556e20 2319 }
1da177e4 2320
51a8efd7
JH		 2321 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2322 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2323
d7556e20 2324 if (conn->state == BT_CONFIG) {
aa64a8b5 2325 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2326 struct hci_cp_set_conn_encrypt cp;
2327 cp.handle = ev->handle;
2328 cp.encrypt = 0x01;
2329 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2330 &cp);
052b30b0 2331 } else {
d7556e20
WR		 2332 conn->state = BT_CONNECTED;
2333 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2334 hci_conn_drop(conn);
052b30b0 2335 }
d7556e20
WR		 2336 } else {
2337 hci_auth_cfm(conn, ev->status);
052b30b0 2338
d7556e20
WR		 2339 hci_conn_hold(conn);
2340 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2341 hci_conn_drop(conn);
d7556e20
WR		 2342 }
2343
51a8efd7 2344 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2345 if (!ev->status) {
2346 struct hci_cp_set_conn_encrypt cp;
2347 cp.handle = ev->handle;
2348 cp.encrypt = 0x01;
2349 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2350 &cp);
d7556e20 2351 } else {
51a8efd7 2352 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2353 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2354 }
2355 }
2356
d7556e20 2357unlock:
1da177e4
LT		 2358 hci_dev_unlock(hdev);
2359}
2360
6039aa73 2361static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2362{
127178d2
JH		 2363 struct hci_ev_remote_name *ev = (void *) skb->data;
2364 struct hci_conn *conn;
2365
a9de9248 2366 BT_DBG("%s", hdev->name);
1da177e4 2367
a9de9248 2368 hci_conn_check_pending(hdev);
127178d2
JH		 2369
2370 hci_dev_lock(hdev);
2371
b644ba33 2372 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2373
b644ba33
JH		 2374 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2375 goto check_auth;
a88a9652 2376
b644ba33
JH		 2377 if (ev->status == 0)
2378 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2379 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2380 else
2381 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2382
2383check_auth:
79c6c70c
JH		 2384 if (!conn)
2385 goto unlock;
2386
2387 if (!hci_outgoing_auth_needed(hdev, conn))
2388 goto unlock;
2389
51a8efd7 2390 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH		 2391 struct hci_cp_auth_requested cp;
2392 cp.handle = __cpu_to_le16(conn->handle);
2393 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2394 }
2395
79c6c70c 2396unlock:
127178d2 2397 hci_dev_unlock(hdev);
a9de9248
MH		 2398}
2399
6039aa73 2400static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2401{
2402 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2403 struct hci_conn *conn;
2404
9f1db00c 2405 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2406
2407 hci_dev_lock(hdev);
2408
04837f64 2409 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2410 if (!conn)
2411 goto unlock;
1da177e4 2412
dc8357cc
MH		 2413 if (!ev->status) {
2414 if (ev->encrypt) {
2415 /* Encryption implies authentication */
4dae2798
JH		 2416 set_bit(HCI_CONN_AUTH, &conn->flags);
2417 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2418 conn->sec_level = conn->pending_sec_level;
abf76bad 2419
914a6ffe
MH		 2420 /* P-256 authentication key implies FIPS */
2421 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2422 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2423
abf76bad
MH		 2424 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2425 conn->type == LE_LINK)
2426 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2427 } else {
4dae2798 2428 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2429 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2430 }
dc8357cc 2431 }
a7d7723a 2432
dc8357cc 2433 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2434
dc8357cc
MH		 2435 if (ev->status && conn->state == BT_CONNECTED) {
2436 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2437 hci_conn_drop(conn);
2438 goto unlock;
1da177e4
LT		 2439 }
2440
dc8357cc
MH		 2441 if (conn->state == BT_CONFIG) {
2442 if (!ev->status)
2443 conn->state = BT_CONNECTED;
2444
40b552aa
MH		 2445 /* In Secure Connections Only mode, do not allow any
2446 * connections that are not encrypted with AES-CCM
2447 * using a P-256 authenticated combination key.
2448 */
2449 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2450 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2451 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2452 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2453 hci_conn_drop(conn);
2454 goto unlock;
2455 }
2456
dc8357cc
MH		 2457 hci_proto_connect_cfm(conn, ev->status);
2458 hci_conn_drop(conn);
2459 } else
2460 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2461
a7d7723a 2462unlock:
1da177e4
LT		 2463 hci_dev_unlock(hdev);
2464}
2465
6039aa73
GP		 2466static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2467 struct sk_buff *skb)
1da177e4 2468{
a9de9248 2469 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2470 struct hci_conn *conn;
1da177e4 2471
9f1db00c 2472 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2473
2474 hci_dev_lock(hdev);
2475
04837f64 2476 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2477 if (conn) {
2478 if (!ev->status)
4dae2798 2479 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2480
51a8efd7 2481 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2482
2483 hci_key_change_cfm(conn, ev->status);
2484 }
2485
2486 hci_dev_unlock(hdev);
2487}
2488
6039aa73
GP		 2489static void hci_remote_features_evt(struct hci_dev *hdev,
2490 struct sk_buff *skb)
1da177e4 2491{
a9de9248
MH		 2492 struct hci_ev_remote_features *ev = (void *) skb->data;
2493 struct hci_conn *conn;
2494
9f1db00c 2495 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2496
a9de9248
MH		 2497 hci_dev_lock(hdev);
2498
2499 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2500 if (!conn)
2501 goto unlock;
769be974 2502
ccd556fe 2503 if (!ev->status)
cad718ed 2504 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2505
2506 if (conn->state != BT_CONFIG)
2507 goto unlock;
2508
2509 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2510 struct hci_cp_read_remote_ext_features cp;
2511 cp.handle = ev->handle;
2512 cp.page = 0x01;
2513 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2514 sizeof(cp), &cp);
392599b9
JH		 2515 goto unlock;
2516 }
2517
671267bf 2518 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2519 struct hci_cp_remote_name_req cp;
2520 memset(&cp, 0, sizeof(cp));
2521 bacpy(&cp.bdaddr, &conn->dst);
2522 cp.pscan_rep_mode = 0x02;
2523 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2524 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2525 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2526 conn->dst_type, 0, NULL, 0,
2527 conn->dev_class);
392599b9 2528
127178d2 2529 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2530 conn->state = BT_CONNECTED;
2531 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2532 hci_conn_drop(conn);
769be974 2533 }
a9de9248 2534
ccd556fe 2535unlock:
a9de9248 2536 hci_dev_unlock(hdev);
1da177e4
LT		 2537}
2538
6039aa73 2539static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2540{
2541 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2542 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2543 __u16 opcode;
2544
2545 skb_pull(skb, sizeof(*ev));
2546
2547 opcode = __le16_to_cpu(ev->opcode);
2548
2549 switch (opcode) {
2550 case HCI_OP_INQUIRY_CANCEL:
2551 hci_cc_inquiry_cancel(hdev, skb);
2552 break;
2553
4d93483b
AG		 2554 case HCI_OP_PERIODIC_INQ:
2555 hci_cc_periodic_inq(hdev, skb);
2556 break;
2557
a9de9248
MH		 2558 case HCI_OP_EXIT_PERIODIC_INQ:
2559 hci_cc_exit_periodic_inq(hdev, skb);
2560 break;
2561
2562 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2563 hci_cc_remote_name_req_cancel(hdev, skb);
2564 break;
2565
2566 case HCI_OP_ROLE_DISCOVERY:
2567 hci_cc_role_discovery(hdev, skb);
2568 break;
2569
e4e8e37c
MH		 2570 case HCI_OP_READ_LINK_POLICY:
2571 hci_cc_read_link_policy(hdev, skb);
2572 break;
2573
a9de9248
MH		 2574 case HCI_OP_WRITE_LINK_POLICY:
2575 hci_cc_write_link_policy(hdev, skb);
2576 break;
2577
e4e8e37c
MH		 2578 case HCI_OP_READ_DEF_LINK_POLICY:
2579 hci_cc_read_def_link_policy(hdev, skb);
2580 break;
2581
2582 case HCI_OP_WRITE_DEF_LINK_POLICY:
2583 hci_cc_write_def_link_policy(hdev, skb);
2584 break;
2585
a9de9248
MH		 2586 case HCI_OP_RESET:
2587 hci_cc_reset(hdev, skb);
2588 break;
2589
2590 case HCI_OP_WRITE_LOCAL_NAME:
2591 hci_cc_write_local_name(hdev, skb);
2592 break;
2593
2594 case HCI_OP_READ_LOCAL_NAME:
2595 hci_cc_read_local_name(hdev, skb);
2596 break;
2597
2598 case HCI_OP_WRITE_AUTH_ENABLE:
2599 hci_cc_write_auth_enable(hdev, skb);
2600 break;
2601
2602 case HCI_OP_WRITE_ENCRYPT_MODE:
2603 hci_cc_write_encrypt_mode(hdev, skb);
2604 break;
2605
2606 case HCI_OP_WRITE_SCAN_ENABLE:
2607 hci_cc_write_scan_enable(hdev, skb);
2608 break;
2609
2610 case HCI_OP_READ_CLASS_OF_DEV:
2611 hci_cc_read_class_of_dev(hdev, skb);
2612 break;
2613
2614 case HCI_OP_WRITE_CLASS_OF_DEV:
2615 hci_cc_write_class_of_dev(hdev, skb);
2616 break;
2617
2618 case HCI_OP_READ_VOICE_SETTING:
2619 hci_cc_read_voice_setting(hdev, skb);
2620 break;
2621
2622 case HCI_OP_WRITE_VOICE_SETTING:
2623 hci_cc_write_voice_setting(hdev, skb);
2624 break;
2625
b4cb9fb2
MH		 2626 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2627 hci_cc_read_num_supported_iac(hdev, skb);
2628 break;
2629
333140b5
MH		 2630 case HCI_OP_WRITE_SSP_MODE:
2631 hci_cc_write_ssp_mode(hdev, skb);
2632 break;
2633
eac83dc6
MH		 2634 case HCI_OP_WRITE_SC_SUPPORT:
2635 hci_cc_write_sc_support(hdev, skb);
2636 break;
2637
a9de9248
MH		 2638 case HCI_OP_READ_LOCAL_VERSION:
2639 hci_cc_read_local_version(hdev, skb);
2640 break;
2641
2642 case HCI_OP_READ_LOCAL_COMMANDS:
2643 hci_cc_read_local_commands(hdev, skb);
2644 break;
2645
2646 case HCI_OP_READ_LOCAL_FEATURES:
2647 hci_cc_read_local_features(hdev, skb);
2648 break;
2649
971e3a4b
AG		 2650 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2651 hci_cc_read_local_ext_features(hdev, skb);
2652 break;
2653
a9de9248
MH		 2654 case HCI_OP_READ_BUFFER_SIZE:
2655 hci_cc_read_buffer_size(hdev, skb);
2656 break;
2657
2658 case HCI_OP_READ_BD_ADDR:
2659 hci_cc_read_bd_addr(hdev, skb);
2660 break;
2661
f332ec66
JH		 2662 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2663 hci_cc_read_page_scan_activity(hdev, skb);
2664 break;
2665
4a3ee763
JH		 2666 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2667 hci_cc_write_page_scan_activity(hdev, skb);
2668 break;
2669
f332ec66
JH		 2670 case HCI_OP_READ_PAGE_SCAN_TYPE:
2671 hci_cc_read_page_scan_type(hdev, skb);
2672 break;
2673
4a3ee763
JH		 2674 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2675 hci_cc_write_page_scan_type(hdev, skb);
2676 break;
2677
350ee4cf
AE		 2678 case HCI_OP_READ_DATA_BLOCK_SIZE:
2679 hci_cc_read_data_block_size(hdev, skb);
2680 break;
2681
1e89cffb
AE		 2682 case HCI_OP_READ_FLOW_CONTROL_MODE:
2683 hci_cc_read_flow_control_mode(hdev, skb);
2684 break;
2685
928abaa7
AE		 2686 case HCI_OP_READ_LOCAL_AMP_INFO:
2687 hci_cc_read_local_amp_info(hdev, skb);
2688 break;
2689
33f35721
JH		 2690 case HCI_OP_READ_CLOCK:
2691 hci_cc_read_clock(hdev, skb);
2692 break;
2693
903e4541
AE		 2694 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2695 hci_cc_read_local_amp_assoc(hdev, skb);
2696 break;
2697
d5859e22
JH		 2698 case HCI_OP_READ_INQ_RSP_TX_POWER:
2699 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2700 break;
2701
980e1a53
JH		 2702 case HCI_OP_PIN_CODE_REPLY:
2703 hci_cc_pin_code_reply(hdev, skb);
2704 break;
2705
2706 case HCI_OP_PIN_CODE_NEG_REPLY:
2707 hci_cc_pin_code_neg_reply(hdev, skb);
2708 break;
2709
c35938b2 2710 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2711 hci_cc_read_local_oob_data(hdev, skb);
2712 break;
2713
2714 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2715 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2716 break;
2717
6ed58ec5
VT		 2718 case HCI_OP_LE_READ_BUFFER_SIZE:
2719 hci_cc_le_read_buffer_size(hdev, skb);
2720 break;
2721
60e77321
JH		 2722 case HCI_OP_LE_READ_LOCAL_FEATURES:
2723 hci_cc_le_read_local_features(hdev, skb);
2724 break;
2725
8fa19098
JH		 2726 case HCI_OP_LE_READ_ADV_TX_POWER:
2727 hci_cc_le_read_adv_tx_power(hdev, skb);
2728 break;
2729
a5c29683
JH		 2730 case HCI_OP_USER_CONFIRM_REPLY:
2731 hci_cc_user_confirm_reply(hdev, skb);
2732 break;
2733
2734 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2735 hci_cc_user_confirm_neg_reply(hdev, skb);
2736 break;
2737
1143d458
BG		 2738 case HCI_OP_USER_PASSKEY_REPLY:
2739 hci_cc_user_passkey_reply(hdev, skb);
2740 break;
2741
2742 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2743 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2744 break;
07f7fa5d 2745
7a4cd51d
MH		 2746 case HCI_OP_LE_SET_RANDOM_ADDR:
2747 hci_cc_le_set_random_addr(hdev, skb);
2748 break;
2749
c1d5dc4a
JH		 2750 case HCI_OP_LE_SET_ADV_ENABLE:
2751 hci_cc_le_set_adv_enable(hdev, skb);
2752 break;
2753
533553f8
MH		 2754 case HCI_OP_LE_SET_SCAN_PARAM:
2755 hci_cc_le_set_scan_param(hdev, skb);
2756 break;
2757
eb9d91f5
AG		 2758 case HCI_OP_LE_SET_SCAN_ENABLE:
2759 hci_cc_le_set_scan_enable(hdev, skb);
2760 break;
2761
cf1d081f
JH		 2762 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2763 hci_cc_le_read_white_list_size(hdev, skb);
2764 break;
2765
0f36b589
MH		 2766 case HCI_OP_LE_CLEAR_WHITE_LIST:
2767 hci_cc_le_clear_white_list(hdev, skb);
2768 break;
2769
2770 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2771 hci_cc_le_add_to_white_list(hdev, skb);
2772 break;
2773
2774 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2775 hci_cc_le_del_from_white_list(hdev, skb);
2776 break;
2777
9b008c04
JH		 2778 case HCI_OP_LE_READ_SUPPORTED_STATES:
2779 hci_cc_le_read_supported_states(hdev, skb);
2780 break;
2781
f9b49306
AG		 2782 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2783 hci_cc_write_le_host_supported(hdev, skb);
2784 break;
2785
56ed2cb8
JH		 2786 case HCI_OP_LE_SET_ADV_PARAM:
2787 hci_cc_set_adv_param(hdev, skb);
2788 break;
2789
93c284ee
AE		 2790 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2791 hci_cc_write_remote_amp_assoc(hdev, skb);
2792 break;
2793
5ae76a94
AK		 2794 case HCI_OP_READ_RSSI:
2795 hci_cc_read_rssi(hdev, skb);
2796 break;
2797
5a134fae
AK		 2798 case HCI_OP_READ_TX_POWER:
2799 hci_cc_read_tx_power(hdev, skb);
2800 break;
2801
a9de9248 2802 default:
9f1db00c 2803 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2804 break;
2805 }
2806
ad82cdd1 2807 if (opcode != HCI_OP_NOP)
65cc2b49 2808 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2809
ad82cdd1 2810 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2811
dbccd791 2812 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2813 atomic_set(&hdev->cmd_cnt, 1);
2814 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2815 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2816 }
2817}
2818
6039aa73 2819static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2820{
2821 struct hci_ev_cmd_status *ev = (void *) skb->data;
2822 __u16 opcode;
2823
2824 skb_pull(skb, sizeof(*ev));
2825
2826 opcode = __le16_to_cpu(ev->opcode);
2827
2828 switch (opcode) {
2829 case HCI_OP_INQUIRY:
2830 hci_cs_inquiry(hdev, ev->status);
2831 break;
2832
2833 case HCI_OP_CREATE_CONN:
2834 hci_cs_create_conn(hdev, ev->status);
2835 break;
2836
2837 case HCI_OP_ADD_SCO:
2838 hci_cs_add_sco(hdev, ev->status);
2839 break;
2840
f8558555
MH		 2841 case HCI_OP_AUTH_REQUESTED:
2842 hci_cs_auth_requested(hdev, ev->status);
2843 break;
2844
2845 case HCI_OP_SET_CONN_ENCRYPT:
2846 hci_cs_set_conn_encrypt(hdev, ev->status);
2847 break;
2848
a9de9248
MH		 2849 case HCI_OP_REMOTE_NAME_REQ:
2850 hci_cs_remote_name_req(hdev, ev->status);
2851 break;
2852
769be974
MH		 2853 case HCI_OP_READ_REMOTE_FEATURES:
2854 hci_cs_read_remote_features(hdev, ev->status);
2855 break;
2856
2857 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2858 hci_cs_read_remote_ext_features(hdev, ev->status);
2859 break;
2860
a9de9248
MH		 2861 case HCI_OP_SETUP_SYNC_CONN:
2862 hci_cs_setup_sync_conn(hdev, ev->status);
2863 break;
2864
2865 case HCI_OP_SNIFF_MODE:
2866 hci_cs_sniff_mode(hdev, ev->status);
2867 break;
2868
2869 case HCI_OP_EXIT_SNIFF_MODE:
2870 hci_cs_exit_sniff_mode(hdev, ev->status);
2871 break;
2872
8962ee74 2873 case HCI_OP_DISCONNECT:
88c3df13 2874 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2875 break;
2876
a02226d6
AE		 2877 case HCI_OP_CREATE_PHY_LINK:
2878 hci_cs_create_phylink(hdev, ev->status);
2879 break;
2880
0b26ab9d
AE		 2881 case HCI_OP_ACCEPT_PHY_LINK:
2882 hci_cs_accept_phylink(hdev, ev->status);
2883 break;
2884
cb1d68f7
JH		 2885 case HCI_OP_LE_CREATE_CONN:
2886 hci_cs_le_create_conn(hdev, ev->status);
2887 break;
2888
81d0c8ad
JH		 2889 case HCI_OP_LE_START_ENC:
2890 hci_cs_le_start_enc(hdev, ev->status);
2891 break;
2892
a9de9248 2893 default:
9f1db00c 2894 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2895 break;
2896 }
2897
ad82cdd1 2898 if (opcode != HCI_OP_NOP)
65cc2b49 2899 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2900
02350a72
JH		 2901 if (ev->status ||
2902 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2903 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2904
10572132 2905 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2906 atomic_set(&hdev->cmd_cnt, 1);
2907 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2908 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2909 }
2910}
2911
6039aa73 2912static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2913{
2914 struct hci_ev_role_change *ev = (void *) skb->data;
2915 struct hci_conn *conn;
2916
9f1db00c 2917 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2918
2919 hci_dev_lock(hdev);
2920
2921 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2922 if (conn) {
40bef302
JH		 2923 if (!ev->status)
2924 conn->role = ev->role;
a9de9248 2925
51a8efd7 2926 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2927
2928 hci_role_switch_cfm(conn, ev->status, ev->role);
2929 }
2930
2931 hci_dev_unlock(hdev);
2932}
2933
6039aa73 2934static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2935{
2936 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2937 int i;
2938
32ac5b9b
AE		 2939 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2940 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2941 return;
2942 }
2943
c5993de8 2944 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2945 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2946 BT_DBG("%s bad parameters", hdev->name);
2947 return;
2948 }
2949
c5993de8
AE		 2950 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2951
613a1c0c
AE		 2952 for (i = 0; i < ev->num_hndl; i++) {
2953 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2954 struct hci_conn *conn;
2955 __u16 handle, count;
2956
613a1c0c
AE		 2957 handle = __le16_to_cpu(info->handle);
2958 count = __le16_to_cpu(info->count);
a9de9248
MH		 2959
2960 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2961 if (!conn)
2962 continue;
2963
2964 conn->sent -= count;
2965
2966 switch (conn->type) {
2967 case ACL_LINK:
2968 hdev->acl_cnt += count;
2969 if (hdev->acl_cnt > hdev->acl_pkts)
2970 hdev->acl_cnt = hdev->acl_pkts;
2971 break;
2972
2973 case LE_LINK:
2974 if (hdev->le_pkts) {
2975 hdev->le_cnt += count;
2976 if (hdev->le_cnt > hdev->le_pkts)
2977 hdev->le_cnt = hdev->le_pkts;
2978 } else {
70f23020
AE		 2979 hdev->acl_cnt += count;
2980 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2981 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2982 }
f4280918
AE		 2983 break;
2984
2985 case SCO_LINK:
2986 hdev->sco_cnt += count;
2987 if (hdev->sco_cnt > hdev->sco_pkts)
2988 hdev->sco_cnt = hdev->sco_pkts;
2989 break;
2990
2991 default:
2992 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2993 break;
a9de9248
MH		 2994 }
2995 }
2996
3eff45ea 2997 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 2998}
2999
76ef7cf7
AE		 3000static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3001 __u16 handle)
3002{
3003 struct hci_chan *chan;
3004
3005 switch (hdev->dev_type) {
3006 case HCI_BREDR:
3007 return hci_conn_hash_lookup_handle(hdev, handle);
3008 case HCI_AMP:
3009 chan = hci_chan_lookup_handle(hdev, handle);
3010 if (chan)
3011 return chan->conn;
3012 break;
3013 default:
3014 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3015 break;
3016 }
3017
3018 return NULL;
3019}
3020
6039aa73 3021static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3022{
3023 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3024 int i;
3025
3026 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3027 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3028 return;
3029 }
3030
3031 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3032 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3033 BT_DBG("%s bad parameters", hdev->name);
3034 return;
3035 }
3036
3037 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3038 ev->num_hndl);
25e89e99
AE		 3039
3040 for (i = 0; i < ev->num_hndl; i++) {
3041 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3042 struct hci_conn *conn = NULL;
25e89e99
AE		 3043 __u16 handle, block_count;
3044
3045 handle = __le16_to_cpu(info->handle);
3046 block_count = __le16_to_cpu(info->blocks);
3047
76ef7cf7 3048 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3049 if (!conn)
3050 continue;
3051
3052 conn->sent -= block_count;
3053
3054 switch (conn->type) {
3055 case ACL_LINK:
bd1eb66b 3056 case AMP_LINK:
25e89e99
AE		 3057 hdev->block_cnt += block_count;
3058 if (hdev->block_cnt > hdev->num_blocks)
3059 hdev->block_cnt = hdev->num_blocks;
3060 break;
3061
3062 default:
3063 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3064 break;
3065 }
3066 }
3067
3068 queue_work(hdev->workqueue, &hdev->tx_work);
3069}
3070
6039aa73 3071static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3072{
a9de9248 3073 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3074 struct hci_conn *conn;
3075
9f1db00c 3076 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3077
3078 hci_dev_lock(hdev);
3079
3080 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3081 if (conn) {
3082 conn->mode = ev->mode;
a9de9248 3083
8fc9ced3
GP		 3084 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3085 &conn->flags)) {
a9de9248 3086 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3087 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3088 else
58a681ef 3089 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3090 }
e73439d8 3091
51a8efd7 3092 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3093 hci_sco_setup(conn, ev->status);
04837f64
MH		 3094 }
3095
3096 hci_dev_unlock(hdev);
3097}
3098
6039aa73 3099static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3100{
052b30b0
MH		 3101 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3102 struct hci_conn *conn;
3103
a9de9248 3104 BT_DBG("%s", hdev->name);
052b30b0
MH		 3105
3106 hci_dev_lock(hdev);
3107
3108 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3109 if (!conn)
3110 goto unlock;
3111
3112 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3113 hci_conn_hold(conn);
3114 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3115 hci_conn_drop(conn);
052b30b0
MH		 3116 }
3117
a8b2d5c2 3118 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 3119 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3120 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 3121 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3122 u8 secure;
3123
3124 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3125 secure = 1;
3126 else
3127 secure = 0;
3128
744cf19e 3129 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3130 }
980e1a53 3131
b6f98044 3132unlock:
052b30b0 3133 hci_dev_unlock(hdev);
a9de9248
MH		 3134}
3135
6039aa73 3136static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3137{
55ed8ca1
JH		 3138 struct hci_ev_link_key_req *ev = (void *) skb->data;
3139 struct hci_cp_link_key_reply cp;
3140 struct hci_conn *conn;
3141 struct link_key *key;
3142
a9de9248 3143 BT_DBG("%s", hdev->name);
55ed8ca1 3144
034cbea0 3145 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3146 return;
3147
3148 hci_dev_lock(hdev);
3149
3150 key = hci_find_link_key(hdev, &ev->bdaddr);
3151 if (!key) {
6ed93dc6
AE		 3152 BT_DBG("%s link key not found for %pMR", hdev->name,
3153 &ev->bdaddr);
55ed8ca1
JH		 3154 goto not_found;
3155 }
3156
6ed93dc6
AE		 3157 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3158 &ev->bdaddr);
55ed8ca1 3159
55ed8ca1 3160 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3161 if (conn) {
66138ce8
MH		 3162 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3163 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3164 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3165 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3166 goto not_found;
3167 }
55ed8ca1 3168
60b83f57 3169 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3170 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3171 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3172 BT_DBG("%s ignoring key unauthenticated for high security",
3173 hdev->name);
60b83f57
WR		 3174 goto not_found;
3175 }
3176
3177 conn->key_type = key->type;
3178 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3179 }
3180
3181 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3182 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3183
3184 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3185
3186 hci_dev_unlock(hdev);
3187
3188 return;
3189
3190not_found:
3191 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3192 hci_dev_unlock(hdev);
a9de9248
MH		 3193}
3194
6039aa73 3195static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3196{
052b30b0
MH		 3197 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3198 struct hci_conn *conn;
7652ff6a
JH		 3199 struct link_key *key;
3200 bool persistent;
55ed8ca1 3201 u8 pin_len = 0;
052b30b0 3202
a9de9248 3203 BT_DBG("%s", hdev->name);
052b30b0
MH		 3204
3205 hci_dev_lock(hdev);
3206
3207 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3208 if (conn) {
3209 hci_conn_hold(conn);
3210 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3211 pin_len = conn->pin_length;
13d39315
WR		 3212
3213 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3214 conn->key_type = ev->key_type;
3215
76a68ba0 3216 hci_conn_drop(conn);
052b30b0
MH		 3217 }
3218
7652ff6a
JH		 3219 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3220 goto unlock;
3221
3222 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3223 ev->key_type, pin_len, &persistent);
3224 if (!key)
3225 goto unlock;
3226
3227 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3228
6d5650c4
JH		 3229 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3230 * is set. If it's not set simply remove the key from the kernel
3231 * list (we've still notified user space about it but with
3232 * store_hint being 0).
3233 */
3234 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3235 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3236 list_del(&key->list);
3237 kfree(key);
3238 } else if (conn) {
af6a9c32
JH		 3239 if (persistent)
3240 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3241 else
3242 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3243 }
7652ff6a
JH		 3244
3245unlock:
052b30b0 3246 hci_dev_unlock(hdev);
a9de9248
MH		 3247}
3248
6039aa73 3249static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3250{
a9de9248 3251 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3252 struct hci_conn *conn;
1da177e4 3253
9f1db00c 3254 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3255
3256 hci_dev_lock(hdev);
3257
04837f64 3258 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3259 if (conn && !ev->status) {
3260 struct inquiry_entry *ie;
3261
cc11b9c1
AE		 3262 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3263 if (ie) {
1da177e4
LT		 3264 ie->data.clock_offset = ev->clock_offset;
3265 ie->timestamp = jiffies;
3266 }
3267 }
3268
3269 hci_dev_unlock(hdev);
3270}
3271
6039aa73 3272static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3273{
3274 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3275 struct hci_conn *conn;
3276
9f1db00c 3277 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3278
3279 hci_dev_lock(hdev);
3280
3281 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3282 if (conn && !ev->status)
3283 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3284
3285 hci_dev_unlock(hdev);
3286}
3287
6039aa73 3288static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3289{
a9de9248 3290 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3291 struct inquiry_entry *ie;
3292
3293 BT_DBG("%s", hdev->name);
3294
3295 hci_dev_lock(hdev);
3296
cc11b9c1
AE		 3297 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3298 if (ie) {
85a1e930
MH		 3299 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3300 ie->timestamp = jiffies;
3301 }
3302
3303 hci_dev_unlock(hdev);
3304}
3305
6039aa73
GP		 3306static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3307 struct sk_buff *skb)
a9de9248
MH		 3308{
3309 struct inquiry_data data;
3310 int num_rsp = *((__u8 *) skb->data);
3311
3312 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3313
3314 if (!num_rsp)
3315 return;
3316
1519cc17
AG		 3317 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3318 return;
3319
a9de9248
MH		 3320 hci_dev_lock(hdev);
3321
3322 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3323 struct inquiry_info_with_rssi_and_pscan_mode *info;
3324 info = (void *) (skb->data + 1);
a9de9248 3325
e17acd40 3326 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3327 u32 flags;
3328
a9de9248
MH		 3329 bacpy(&data.bdaddr, &info->bdaddr);
3330 data.pscan_rep_mode = info->pscan_rep_mode;
3331 data.pscan_period_mode = info->pscan_period_mode;
3332 data.pscan_mode = info->pscan_mode;
3333 memcpy(data.dev_class, info->dev_class, 3);
3334 data.clock_offset = info->clock_offset;
3335 data.rssi = info->rssi;
41a96212 3336 data.ssp_mode = 0x00;
3175405b 3337
af58925c
MH		 3338 flags = hci_inquiry_cache_update(hdev, &data, false);
3339
48264f06 3340 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3341 info->dev_class, info->rssi,
af58925c 3342 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3343 }
3344 } else {
3345 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3346
e17acd40 3347 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3348 u32 flags;
3349
a9de9248
MH		 3350 bacpy(&data.bdaddr, &info->bdaddr);
3351 data.pscan_rep_mode = info->pscan_rep_mode;
3352 data.pscan_period_mode = info->pscan_period_mode;
3353 data.pscan_mode = 0x00;
3354 memcpy(data.dev_class, info->dev_class, 3);
3355 data.clock_offset = info->clock_offset;
3356 data.rssi = info->rssi;
41a96212 3357 data.ssp_mode = 0x00;
af58925c
MH		 3358
3359 flags = hci_inquiry_cache_update(hdev, &data, false);
3360
48264f06 3361 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3362 info->dev_class, info->rssi,
af58925c 3363 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3364 }
3365 }
3366
3367 hci_dev_unlock(hdev);
3368}
3369
6039aa73
GP		 3370static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3371 struct sk_buff *skb)
a9de9248 3372{
41a96212
MH		 3373 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3374 struct hci_conn *conn;
3375
a9de9248 3376 BT_DBG("%s", hdev->name);
41a96212 3377
41a96212
MH		 3378 hci_dev_lock(hdev);
3379
3380 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3381 if (!conn)
3382 goto unlock;
41a96212 3383
cad718ed
JH		 3384 if (ev->page < HCI_MAX_PAGES)
3385 memcpy(conn->features[ev->page], ev->features, 8);
3386
ccd556fe
JH		 3387 if (!ev->status && ev->page == 0x01) {
3388 struct inquiry_entry *ie;
41a96212 3389
cc11b9c1
AE		 3390 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3391 if (ie)
02b7cc62 3392 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3393
bbb0eada 3394 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3395 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3396 } else {
3397 /* It is mandatory by the Bluetooth specification that
3398 * Extended Inquiry Results are only used when Secure
3399 * Simple Pairing is enabled, but some devices violate
3400 * this.
3401 *
3402 * To make these devices work, the internal SSP
3403 * enabled flag needs to be cleared if the remote host
3404 * features do not indicate SSP support */
3405 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3406 }
eb9a8f3f
MH		 3407
3408 if (ev->features[0] & LMP_HOST_SC)
3409 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3410 }
3411
3412 if (conn->state != BT_CONFIG)
3413 goto unlock;
3414
671267bf 3415 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3416 struct hci_cp_remote_name_req cp;
3417 memset(&cp, 0, sizeof(cp));
3418 bacpy(&cp.bdaddr, &conn->dst);
3419 cp.pscan_rep_mode = 0x02;
3420 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3421 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3422 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3423 conn->dst_type, 0, NULL, 0,
3424 conn->dev_class);
392599b9 3425
127178d2 3426 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3427 conn->state = BT_CONNECTED;
3428 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3429 hci_conn_drop(conn);
41a96212
MH		 3430 }
3431
ccd556fe 3432unlock:
41a96212 3433 hci_dev_unlock(hdev);
a9de9248
MH		 3434}
3435
6039aa73
GP		 3436static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3437 struct sk_buff *skb)
a9de9248 3438{
b6a0dc82
MH		 3439 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3440 struct hci_conn *conn;
3441
9f1db00c 3442 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3443
3444 hci_dev_lock(hdev);
3445
3446 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3447 if (!conn) {
3448 if (ev->link_type == ESCO_LINK)
3449 goto unlock;
3450
3451 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3452 if (!conn)
3453 goto unlock;
3454
3455 conn->type = SCO_LINK;
3456 }
b6a0dc82 3457
732547f9
MH		 3458 switch (ev->status) {
3459 case 0x00:
b6a0dc82
MH		 3460 conn->handle = __le16_to_cpu(ev->handle);
3461 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3462
3463 hci_conn_add_sysfs(conn);
732547f9
MH		 3464 break;
3465
81218d20 3466 case 0x10: /* Connection Accept Timeout */
1a4c958c 3467 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3468 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3469 case 0x1c: /* SCO interval rejected */
1038a00b 3470 case 0x1a: /* Unsupported Remote Feature */
732547f9 3471 case 0x1f: /* Unspecified error */
27539bc4 3472 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3473 if (conn->out) {
732547f9
MH		 3474 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3475 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3476 if (hci_setup_sync(conn, conn->link->handle))
3477 goto unlock;
732547f9
MH		 3478 }
3479 /* fall through */
3480
3481 default:
b6a0dc82 3482 conn->state = BT_CLOSED;
732547f9
MH		 3483 break;
3484 }
b6a0dc82
MH		 3485
3486 hci_proto_connect_cfm(conn, ev->status);
3487 if (ev->status)
3488 hci_conn_del(conn);
3489
3490unlock:
3491 hci_dev_unlock(hdev);
a9de9248
MH		 3492}
3493
efdcf8e3
MH		 3494static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3495{
3496 size_t parsed = 0;
3497
3498 while (parsed < eir_len) {
3499 u8 field_len = eir[0];
3500
3501 if (field_len == 0)
3502 return parsed;
3503
3504 parsed += field_len + 1;
3505 eir += field_len + 1;
3506 }
3507
3508 return eir_len;
3509}
3510
6039aa73
GP		 3511static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3512 struct sk_buff *skb)
1da177e4 3513{
a9de9248
MH		 3514 struct inquiry_data data;
3515 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3516 int num_rsp = *((__u8 *) skb->data);
9d939d94 3517 size_t eir_len;
1da177e4 3518
a9de9248 3519 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3520
a9de9248
MH		 3521 if (!num_rsp)
3522 return;
1da177e4 3523
1519cc17
AG		 3524 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3525 return;
3526
a9de9248
MH		 3527 hci_dev_lock(hdev);
3528
e17acd40 3529 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3530 u32 flags;
3531 bool name_known;
561aafbc 3532
a9de9248 3533 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3534 data.pscan_rep_mode = info->pscan_rep_mode;
3535 data.pscan_period_mode = info->pscan_period_mode;
3536 data.pscan_mode = 0x00;
a9de9248 3537 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3538 data.clock_offset = info->clock_offset;
3539 data.rssi = info->rssi;
41a96212 3540 data.ssp_mode = 0x01;
561aafbc 3541
a8b2d5c2 3542 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3543 name_known = eir_has_data_type(info->data,
04124681
GP		 3544 sizeof(info->data),
3545 EIR_NAME_COMPLETE);
561aafbc
JH		 3546 else
3547 name_known = true;
3548
af58925c
MH		 3549 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3550
9d939d94 3551 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3552
48264f06 3553 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3554 info->dev_class, info->rssi,
3555 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3556 }
3557
3558 hci_dev_unlock(hdev);
3559}
1da177e4 3560
1c2e0041
JH		 3561static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3562 struct sk_buff *skb)
3563{
3564 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3565 struct hci_conn *conn;
3566
9f1db00c 3567 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3568 __le16_to_cpu(ev->handle));
3569
3570 hci_dev_lock(hdev);
3571
3572 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3573 if (!conn)
3574 goto unlock;
3575
9eb1fbfa
JH		 3576 /* For BR/EDR the necessary steps are taken through the
3577 * auth_complete event.
3578 */
3579 if (conn->type != LE_LINK)
3580 goto unlock;
3581
1c2e0041
JH		 3582 if (!ev->status)
3583 conn->sec_level = conn->pending_sec_level;
3584
3585 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3586
3587 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3588 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3589 hci_conn_drop(conn);
1c2e0041
JH		 3590 goto unlock;
3591 }
3592
3593 if (conn->state == BT_CONFIG) {
3594 if (!ev->status)
3595 conn->state = BT_CONNECTED;
3596
3597 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3598 hci_conn_drop(conn);
1c2e0041
JH		 3599 } else {
3600 hci_auth_cfm(conn, ev->status);
3601
3602 hci_conn_hold(conn);
3603 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3604 hci_conn_drop(conn);
1c2e0041
JH		 3605 }
3606
3607unlock:
3608 hci_dev_unlock(hdev);
3609}
3610
6039aa73 3611static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3612{
17fa4b9d 3613 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3614 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3615 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3616 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3617
b7f94c88
MA		 3618 /* If both remote and local have enough IO capabilities, require
3619 * MITM protection
3620 */
3621 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3622 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3623 return conn->remote_auth | 0x01;
3624
7e74170a
TM		 3625 /* No MITM protection possible so ignore remote requirement */
3626 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3627}
3628
6039aa73 3629static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3630{
3631 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3632 struct hci_conn *conn;
3633
3634 BT_DBG("%s", hdev->name);
3635
3636 hci_dev_lock(hdev);
3637
3638 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3639 if (!conn)
3640 goto unlock;
3641
3642 hci_conn_hold(conn);
3643
a8b2d5c2 3644 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3645 goto unlock;
3646
a8b2d5c2 3647 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3648 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3649 struct hci_cp_io_capability_reply cp;
3650
3651 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3652 /* Change the IO capability from KeyboardDisplay
3653 * to DisplayYesNo as it is not supported by BT spec. */
3654 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3655 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3656
3657 /* If we are initiators, there is no remote information yet */
3658 if (conn->remote_auth == 0xff) {
b16c6604 3659 /* Request MITM protection if our IO caps allow it
4ad51a75 3660 * except for the no-bonding case.
b16c6604 3661 */
6fd6b915 3662 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
b16c6604 3663 cp.authentication != HCI_AT_NO_BONDING)
6c53823a
JH		 3664 conn->auth_type |= 0x01;
3665
3666 cp.authentication = conn->auth_type;
b7f94c88
MA		 3667 } else {
3668 conn->auth_type = hci_get_auth_req(conn);
3669 cp.authentication = conn->auth_type;
3670 }
17fa4b9d 3671
8fc9ced3
GP		 3672 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3673 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3674 cp.oob_data = 0x01;
3675 else
3676 cp.oob_data = 0x00;
3677
17fa4b9d 3678 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3679 sizeof(cp), &cp);
03b555e1
JH		 3680 } else {
3681 struct hci_cp_io_capability_neg_reply cp;
3682
3683 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3684 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3685
03b555e1 3686 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3687 sizeof(cp), &cp);
03b555e1
JH		 3688 }
3689
3690unlock:
3691 hci_dev_unlock(hdev);
3692}
3693
6039aa73 3694static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3695{
3696 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3697 struct hci_conn *conn;
3698
3699 BT_DBG("%s", hdev->name);
3700
3701 hci_dev_lock(hdev);
3702
3703 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3704 if (!conn)
3705 goto unlock;
3706
03b555e1 3707 conn->remote_cap = ev->capability;
03b555e1 3708 conn->remote_auth = ev->authentication;
58a681ef
JH		 3709 if (ev->oob_data)
3710 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3711
3712unlock:
0493684e
MH		 3713 hci_dev_unlock(hdev);
3714}
3715
6039aa73
GP		 3716static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3717 struct sk_buff *skb)
a5c29683
JH		 3718{
3719 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3720 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3721 struct hci_conn *conn;
a5c29683
JH		 3722
3723 BT_DBG("%s", hdev->name);
3724
3725 hci_dev_lock(hdev);
3726
a8b2d5c2 3727 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3728 goto unlock;
a5c29683 3729
7a828908
JH		 3730 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3731 if (!conn)
3732 goto unlock;
3733
3734 loc_mitm = (conn->auth_type & 0x01);
3735 rem_mitm = (conn->remote_auth & 0x01);
3736
3737 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3738 * (it has NoInputNoOutput) then reject the confirmation
3739 * request. We check the security level here since it doesn't
3740 * necessarily match conn->auth_type.
6fd6b915 3741 */
6c53823a
JH		 3742 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3743 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3744 BT_DBG("Rejecting request: remote device can't provide MITM");
3745 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3746 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3747 goto unlock;
3748 }
3749
3750 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3751 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3752 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3753
3754 /* If we're not the initiators request authorization to
3755 * proceed from user space (mgmt_user_confirm with
ba15a58b
JH		 3756 * confirm_hint set to 1). The exception is if neither
3757 * side had MITM in which case we do auto-accept.
3758 */
3759 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
3760 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3761 BT_DBG("Confirming auto-accept as acceptor");
3762 confirm_hint = 1;
3763 goto confirm;
3764 }
3765
9f61656a 3766 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3767 hdev->auto_accept_delay);
9f61656a
JH		 3768
3769 if (hdev->auto_accept_delay > 0) {
3770 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3771 queue_delayed_work(conn->hdev->workqueue,
3772 &conn->auto_accept_work, delay);
9f61656a
JH		 3773 goto unlock;
3774 }
3775
7a828908 3776 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3777 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3778 goto unlock;
3779 }
3780
55bc1a37 3781confirm:
39adbffe
JH		 3782 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3783 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3784
3785unlock:
a5c29683
JH		 3786 hci_dev_unlock(hdev);
3787}
3788
6039aa73
GP		 3789static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3790 struct sk_buff *skb)
1143d458
BG		 3791{
3792 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3793
3794 BT_DBG("%s", hdev->name);
3795
a8b2d5c2 3796 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3797 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3798}
3799
92a25256
JH		 3800static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3801 struct sk_buff *skb)
3802{
3803 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3804 struct hci_conn *conn;
3805
3806 BT_DBG("%s", hdev->name);
3807
3808 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3809 if (!conn)
3810 return;
3811
3812 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3813 conn->passkey_entered = 0;
3814
3815 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3816 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3817 conn->dst_type, conn->passkey_notify,
3818 conn->passkey_entered);
3819}
3820
3821static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3822{
3823 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3824 struct hci_conn *conn;
3825
3826 BT_DBG("%s", hdev->name);
3827
3828 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3829 if (!conn)
3830 return;
3831
3832 switch (ev->type) {
3833 case HCI_KEYPRESS_STARTED:
3834 conn->passkey_entered = 0;
3835 return;
3836
3837 case HCI_KEYPRESS_ENTERED:
3838 conn->passkey_entered++;
3839 break;
3840
3841 case HCI_KEYPRESS_ERASED:
3842 conn->passkey_entered--;
3843 break;
3844
3845 case HCI_KEYPRESS_CLEARED:
3846 conn->passkey_entered = 0;
3847 break;
3848
3849 case HCI_KEYPRESS_COMPLETED:
3850 return;
3851 }
3852
3853 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3854 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3855 conn->dst_type, conn->passkey_notify,
3856 conn->passkey_entered);
3857}
3858
6039aa73
GP		 3859static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3860 struct sk_buff *skb)
0493684e
MH		 3861{
3862 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3863 struct hci_conn *conn;
3864
3865 BT_DBG("%s", hdev->name);
3866
3867 hci_dev_lock(hdev);
3868
3869 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3870 if (!conn)
3871 goto unlock;
3872
3873 /* To avoid duplicate auth_failed events to user space we check
3874 * the HCI_CONN_AUTH_PEND flag which will be set if we
3875 * initiated the authentication. A traditional auth_complete
3876 * event gets always produced as initiator and is also mapped to
3877 * the mgmt_auth_failed event */
fa1bd918 3878 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3879 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3880 ev->status);
0493684e 3881
76a68ba0 3882 hci_conn_drop(conn);
2a611692
JH		 3883
3884unlock:
0493684e
MH		 3885 hci_dev_unlock(hdev);
3886}
3887
6039aa73
GP		 3888static void hci_remote_host_features_evt(struct hci_dev *hdev,
3889 struct sk_buff *skb)
41a96212
MH		 3890{
3891 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3892 struct inquiry_entry *ie;
cad718ed 3893 struct hci_conn *conn;
41a96212
MH		 3894
3895 BT_DBG("%s", hdev->name);
3896
3897 hci_dev_lock(hdev);
3898
cad718ed
JH		 3899 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3900 if (conn)
3901 memcpy(conn->features[1], ev->features, 8);
3902
cc11b9c1
AE		 3903 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3904 if (ie)
02b7cc62 3905 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3906
3907 hci_dev_unlock(hdev);
3908}
3909
6039aa73
GP		 3910static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3911 struct sk_buff *skb)
2763eda6
SJ		 3912{
3913 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3914 struct oob_data *data;
3915
3916 BT_DBG("%s", hdev->name);
3917
3918 hci_dev_lock(hdev);
3919
a8b2d5c2 3920 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3921 goto unlock;
3922
2763eda6
SJ		 3923 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3924 if (data) {
519ca9d0
MH		 3925 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3926 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3927
519ca9d0
MH		 3928 bacpy(&cp.bdaddr, &ev->bdaddr);
3929 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3930 memcpy(cp.randomizer192, data->randomizer192,
3931 sizeof(cp.randomizer192));
3932 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3933 memcpy(cp.randomizer256, data->randomizer256,
3934 sizeof(cp.randomizer256));
3935
3936 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3937 sizeof(cp), &cp);
3938 } else {
3939 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3940
519ca9d0
MH		 3941 bacpy(&cp.bdaddr, &ev->bdaddr);
3942 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3943 memcpy(cp.randomizer, data->randomizer192,
3944 sizeof(cp.randomizer));
3945
3946 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3947 sizeof(cp), &cp);
3948 }
2763eda6
SJ		 3949 } else {
3950 struct hci_cp_remote_oob_data_neg_reply cp;
3951
3952 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3953 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3954 sizeof(cp), &cp);
2763eda6
SJ		 3955 }
3956
e1ba1f15 3957unlock:
2763eda6
SJ		 3958 hci_dev_unlock(hdev);
3959}
3960
d5e91192
AE		 3961static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3962 struct sk_buff *skb)
3963{
3964 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3965 struct hci_conn *hcon, *bredr_hcon;
3966
3967 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3968 ev->status);
3969
3970 hci_dev_lock(hdev);
3971
3972 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3973 if (!hcon) {
3974 hci_dev_unlock(hdev);
3975 return;
3976 }
3977
3978 if (ev->status) {
3979 hci_conn_del(hcon);
3980 hci_dev_unlock(hdev);
3981 return;
3982 }
3983
3984 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3985
3986 hcon->state = BT_CONNECTED;
3987 bacpy(&hcon->dst, &bredr_hcon->dst);
3988
3989 hci_conn_hold(hcon);
3990 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3991 hci_conn_drop(hcon);
d5e91192 3992
d5e91192
AE		 3993 hci_conn_add_sysfs(hcon);
3994
cf70ff22 3995 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 3996
cf70ff22 3997 hci_dev_unlock(hdev);
d5e91192
AE		 3998}
3999
27695fb4
AE		 4000static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4001{
4002 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4003 struct hci_conn *hcon;
4004 struct hci_chan *hchan;
4005 struct amp_mgr *mgr;
4006
4007 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4008 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4009 ev->status);
4010
4011 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4012 if (!hcon)
4013 return;
4014
4015 /* Create AMP hchan */
4016 hchan = hci_chan_create(hcon);
4017 if (!hchan)
4018 return;
4019
4020 hchan->handle = le16_to_cpu(ev->handle);
4021
4022 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4023
4024 mgr = hcon->amp_mgr;
4025 if (mgr && mgr->bredr_chan) {
4026 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4027
4028 l2cap_chan_lock(bredr_chan);
4029
4030 bredr_chan->conn->mtu = hdev->block_mtu;
4031 l2cap_logical_cfm(bredr_chan, hchan, 0);
4032 hci_conn_hold(hcon);
4033
4034 l2cap_chan_unlock(bredr_chan);
4035 }
4036}
4037
606e2a10
AE		 4038static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4039 struct sk_buff *skb)
4040{
4041 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4042 struct hci_chan *hchan;
4043
4044 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4045 le16_to_cpu(ev->handle), ev->status);
4046
4047 if (ev->status)
4048 return;
4049
4050 hci_dev_lock(hdev);
4051
4052 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4053 if (!hchan)
4054 goto unlock;
4055
4056 amp_destroy_logical_link(hchan, ev->reason);
4057
4058unlock:
4059 hci_dev_unlock(hdev);
4060}
4061
9eef6b3a
AE		 4062static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4063 struct sk_buff *skb)
4064{
4065 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4066 struct hci_conn *hcon;
4067
4068 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4069
4070 if (ev->status)
4071 return;
4072
4073 hci_dev_lock(hdev);
4074
4075 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4076 if (hcon) {
4077 hcon->state = BT_CLOSED;
4078 hci_conn_del(hcon);
4079 }
4080
4081 hci_dev_unlock(hdev);
4082}
4083
6039aa73 4084static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4085{
4086 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4087 struct hci_conn_params *params;
fcd89c09 4088 struct hci_conn *conn;
68d6f6de 4089 struct smp_irk *irk;
837d502e 4090 u8 addr_type;
fcd89c09 4091
9f1db00c 4092 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4093
4094 hci_dev_lock(hdev);
4095
fbd96c15
JH		 4096 /* All controllers implicitly stop advertising in the event of a
4097 * connection, so ensure that the state bit is cleared.
4098 */
4099 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4100
b47a09b3 4101 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b
VT		 4102 if (!conn) {
4103 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
4104 if (!conn) {
4105 BT_ERR("No memory for new connection");
230fd16a 4106 goto unlock;
b62f328b 4107 }
29b7988a
AG		 4108
4109 conn->dst_type = ev->bdaddr_type;
b9b343d2 4110
40bef302
JH		 4111 conn->role = ev->role;
4112 if (conn->role == HCI_ROLE_MASTER)
b9b343d2 4113 conn->out = true;
cb1d68f7
JH		 4114
4115 /* If we didn't have a hci_conn object previously
4116 * but we're in master role this must be something
4117 * initiated using a white list. Since white list based
4118 * connections are not "first class citizens" we don't
4119 * have full tracking of them. Therefore, we go ahead
4120 * with a "best effort" approach of determining the
4121 * initiator address based on the HCI_PRIVACY flag.
4122 */
4123 if (conn->out) {
4124 conn->resp_addr_type = ev->bdaddr_type;
4125 bacpy(&conn->resp_addr, &ev->bdaddr);
4126 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4127 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4128 bacpy(&conn->init_addr, &hdev->rpa);
4129 } else {
4130 hci_copy_identity_address(hdev,
4131 &conn->init_addr,
4132 &conn->init_addr_type);
4133 }
cb1d68f7 4134 }
9489eca4
JH		 4135 } else {
4136 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4137 }
fcd89c09 4138
80c24ab8
JH		 4139 if (!conn->out) {
4140 /* Set the responder (our side) address type based on
4141 * the advertising address type.
4142 */
4143 conn->resp_addr_type = hdev->adv_addr_type;
4144 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4145 bacpy(&conn->resp_addr, &hdev->random_addr);
4146 else
4147 bacpy(&conn->resp_addr, &hdev->bdaddr);
4148
4149 conn->init_addr_type = ev->bdaddr_type;
4150 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4151
4152 /* For incoming connections, set the default minimum
4153 * and maximum connection interval. They will be used
4154 * to check if the parameters are in range and if not
4155 * trigger the connection update procedure.
4156 */
4157 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4158 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4159 }
7be2edbb 4160
edb4b466
MH		 4161 /* Lookup the identity address from the stored connection
4162 * address and address type.
4163 *
4164 * When establishing connections to an identity address, the
4165 * connection procedure will store the resolvable random
4166 * address first. Now if it can be converted back into the
4167 * identity address, start using the identity address from
4168 * now on.
4169 */
4170 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4171 if (irk) {
4172 bacpy(&conn->dst, &irk->bdaddr);
4173 conn->dst_type = irk->addr_type;
4174 }
4175
837d502e
JH		 4176 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4177 addr_type = BDADDR_LE_PUBLIC;
4178 else
4179 addr_type = BDADDR_LE_RANDOM;
4180
2d3c2260
JH		 4181 if (ev->status) {
4182 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4183 goto unlock;
4184 }
4185
2d3c2260
JH		 4186 /* Drop the connection if the device is blocked */
4187 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4188 hci_conn_drop(conn);
cd17decb
AG		 4189 goto unlock;
4190 }
4191
b644ba33 4192 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4193 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4194 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4195
7b5c0d52 4196 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4197 conn->handle = __le16_to_cpu(ev->handle);
4198 conn->state = BT_CONNECTED;
4199
e04fde60
MH		 4200 conn->le_conn_interval = le16_to_cpu(ev->interval);
4201 conn->le_conn_latency = le16_to_cpu(ev->latency);
4202 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4203
fcd89c09
VT		 4204 hci_conn_add_sysfs(conn);
4205
4206 hci_proto_connect_cfm(conn, ev->status);
4207
912b42ef 4208 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
223683a5 4209 if (params)
95305baa 4210 list_del_init(&params->action);
a4790dbd 4211
fcd89c09 4212unlock:
223683a5 4213 hci_update_background_scan(hdev);
fcd89c09
VT		 4214 hci_dev_unlock(hdev);
4215}
4216
1855d92d
MH		 4217static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4218 struct sk_buff *skb)
4219{
4220 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4221 struct hci_conn *conn;
4222
4223 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4224
4225 if (ev->status)
4226 return;
4227
4228 hci_dev_lock(hdev);
4229
4230 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4231 if (conn) {
4232 conn->le_conn_interval = le16_to_cpu(ev->interval);
4233 conn->le_conn_latency = le16_to_cpu(ev->latency);
4234 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4235 }
4236
4237 hci_dev_unlock(hdev);
4238}
4239
a4790dbd 4240/* This function requires the caller holds hdev->lock */
7e899c94 4241static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4242 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4243{
4244 struct hci_conn *conn;
4245
1c1abcab
JH		 4246 /* If the event is not connectable don't proceed further */
4247 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4248 return;
1c1abcab
JH		 4249
4250 /* Ignore if the device is blocked */
dcc36c16 4251 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4252 return;
1c1abcab
JH		 4253
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:
cdd6275e 4266 /* Request connection in master = true role */
a4790dbd 4267 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
cdd6275e 4268 HCI_LE_AUTOCONN_TIMEOUT, true);
a4790dbd 4269 if (!IS_ERR(conn))
7e899c94 4270 return;
a4790dbd
AG		 4271
4272 switch (PTR_ERR(conn)) {
4273 case -EBUSY:
4274 /* If hci_connect() returns -EBUSY it means there is already
4275 * an LE connection attempt going on. Since controllers don't
4276 * support more than one connection attempt at the time, we
4277 * don't consider this an error case.
4278 */
4279 break;
4280 default:
4281 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4282 }
4283}
4284
4af605d8
JH		 4285static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4286 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4287{
b9a6328f 4288 struct discovery_state *d = &hdev->discovery;
1c1abcab 4289 struct smp_irk *irk;
474ee066 4290 bool match;
c70a7e4c 4291 u32 flags;
b9a6328f 4292
1c1abcab
JH		 4293 /* Check if we need to convert to identity address */
4294 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4295 if (irk) {
4296 bdaddr = &irk->bdaddr;
4297 bdaddr_type = irk->addr_type;
4298 }
4299
4300 /* Check if we have been requested to connect to this device */
4301 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4302
0d2bf134
JH		 4303 /* Passive scanning shouldn't trigger any device found events,
4304 * except for devices marked as CONN_REPORT for which we do send
4305 * device found events.
4306 */
ca5c4be7 4307 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4308 if (type == LE_ADV_DIRECT_IND)
4309 return;
4310
3a19b6fe
JH		 4311 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4312 bdaddr, bdaddr_type))
0d2bf134
JH		 4313 return;
4314
4315 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4316 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4317 else
4318 flags = 0;
4319 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4320 rssi, flags, data, len, NULL, 0);
97bf2e99 4321 return;
ca5c4be7 4322 }
4af605d8 4323
c70a7e4c
MH		 4324 /* When receiving non-connectable or scannable undirected
4325 * advertising reports, this means that the remote device is
4326 * not connectable and then clearly indicate this in the
4327 * device found event.
4328 *
4329 * When receiving a scan response, then there is no way to
4330 * know if the remote device is connectable or not. However
4331 * since scan responses are merged with a previously seen
4332 * advertising report, the flags field from that report
4333 * will be used.
4334 *
4335 * In the really unlikely case that a controller get confused
4336 * and just sends a scan response event, then it is marked as
4337 * not connectable as well.
4338 */
4339 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4340 type == LE_ADV_SCAN_RSP)
4341 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4342 else
4343 flags = 0;
4344
b9a6328f
JH		 4345 /* If there's nothing pending either store the data from this
4346 * event or send an immediate device found event if the data
4347 * should not be stored for later.
4348 */
4349 if (!has_pending_adv_report(hdev)) {
4350 /* If the report will trigger a SCAN_REQ store it for
4351 * later merging.
4352 */
4353 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4354 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4355 rssi, flags, data, len);
b9a6328f
JH		 4356 return;
4357 }
4358
4359 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4360 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4361 return;
4362 }
4363
474ee066
JH		 4364 /* Check if the pending report is for the same device as the new one */
4365 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4366 bdaddr_type == d->last_adv_addr_type);
4367
b9a6328f
JH		 4368 /* If the pending data doesn't match this report or this isn't a
4369 * scan response (e.g. we got a duplicate ADV_IND) then force
4370 * sending of the pending data.
4371 */
474ee066
JH		 4372 if (type != LE_ADV_SCAN_RSP || !match) {
4373 /* Send out whatever is in the cache, but skip duplicates */
4374 if (!match)
4375 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4376 d->last_adv_addr_type, NULL,
c70a7e4c 4377 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4378 d->last_adv_data,
474ee066 4379 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4380
4381 /* If the new report will trigger a SCAN_REQ store it for
4382 * later merging.
4383 */
4384 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4385 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4386 rssi, flags, data, len);
b9a6328f
JH		 4387 return;
4388 }
4389
4390 /* The advertising reports cannot be merged, so clear
4391 * the pending report and send out a device found event.
4392 */
4393 clear_pending_adv_report(hdev);
5c5b93e4 4394 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4395 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4396 return;
4397 }
4398
4399 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4400 * the new event is a SCAN_RSP. We can therefore proceed with
4401 * sending a merged device found event.
4402 */
4403 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4404 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4405 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4406 clear_pending_adv_report(hdev);
4af605d8
JH		 4407}
4408
6039aa73 4409static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4410{
e95beb41
AG		 4411 u8 num_reports = skb->data[0];
4412 void *ptr = &skb->data[1];
9aa04c91 4413
a4790dbd
AG		 4414 hci_dev_lock(hdev);
4415
e95beb41
AG		 4416 while (num_reports--) {
4417 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4418 s8 rssi;
a4790dbd 4419
3c9e9195 4420 rssi = ev->data[ev->length];
4af605d8
JH		 4421 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4422 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4423
e95beb41 4424 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4425 }
a4790dbd
AG		 4426
4427 hci_dev_unlock(hdev);
9aa04c91
AG		 4428}
4429
6039aa73 4430static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4431{
4432 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4433 struct hci_cp_le_ltk_reply cp;
bea710fe 4434 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4435 struct hci_conn *conn;
c9839a11 4436 struct smp_ltk *ltk;
a7a595f6 4437
9f1db00c 4438 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4439
4440 hci_dev_lock(hdev);
4441
4442 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4443 if (conn == NULL)
4444 goto not_found;
a7a595f6 4445
fe39c7b2 4446 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->out);
bea710fe
VCG		 4447 if (ltk == NULL)
4448 goto not_found;
4449
4450 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4451 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4452
4453 if (ltk->authenticated)
f8776218
AG		 4454 conn->pending_sec_level = BT_SECURITY_HIGH;
4455 else
4456 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4457
89cbb4da 4458 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4459
4460 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4461
5981a882
CT		 4462 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4463 * temporary key used to encrypt a connection following
4464 * pairing. It is used during the Encrypted Session Setup to
4465 * distribute the keys. Later, security can be re-established
4466 * using a distributed LTK.
4467 */
2ceba539 4468 if (ltk->type == SMP_STK) {
fe59a05f 4469 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4470 list_del(&ltk->list);
4471 kfree(ltk);
fe59a05f
JH		 4472 } else {
4473 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4474 }
4475
a7a595f6 4476 hci_dev_unlock(hdev);
bea710fe
VCG		 4477
4478 return;
4479
4480not_found:
4481 neg.handle = ev->handle;
4482 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4483 hci_dev_unlock(hdev);
a7a595f6
VCG		 4484}
4485
8e75b46a
AG		 4486static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4487 u8 reason)
4488{
4489 struct hci_cp_le_conn_param_req_neg_reply cp;
4490
4491 cp.handle = cpu_to_le16(handle);
4492 cp.reason = reason;
4493
4494 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4495 &cp);
4496}
4497
4498static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4499 struct sk_buff *skb)
4500{
4501 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4502 struct hci_cp_le_conn_param_req_reply cp;
4503 struct hci_conn *hcon;
4504 u16 handle, min, max, latency, timeout;
4505
4506 handle = le16_to_cpu(ev->handle);
4507 min = le16_to_cpu(ev->interval_min);
4508 max = le16_to_cpu(ev->interval_max);
4509 latency = le16_to_cpu(ev->latency);
4510 timeout = le16_to_cpu(ev->timeout);
4511
4512 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4513 if (!hcon || hcon->state != BT_CONNECTED)
4514 return send_conn_param_neg_reply(hdev, handle,
4515 HCI_ERROR_UNKNOWN_CONN_ID);
4516
4517 if (hci_check_conn_params(min, max, latency, timeout))
4518 return send_conn_param_neg_reply(hdev, handle,
4519 HCI_ERROR_INVALID_LL_PARAMS);
4520
40bef302 4521 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4522 struct hci_conn_params *params;
f4869e2a 4523 u8 store_hint;
348d50b8
JH		 4524
4525 hci_dev_lock(hdev);
4526
4527 params = hci_conn_params_lookup(hdev, &hcon->dst,
4528 hcon->dst_type);
4529 if (params) {
4530 params->conn_min_interval = min;
4531 params->conn_max_interval = max;
4532 params->conn_latency = latency;
4533 params->supervision_timeout = timeout;
f4869e2a
JH		 4534 store_hint = 0x01;
4535 } else{
4536 store_hint = 0x00;
348d50b8
JH		 4537 }
4538
4539 hci_dev_unlock(hdev);
4540
f4869e2a
JH		 4541 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4542 store_hint, min, max, latency, timeout);
348d50b8 4543 }
ffb5a827 4544
8e75b46a
AG		 4545 cp.handle = ev->handle;
4546 cp.interval_min = ev->interval_min;
4547 cp.interval_max = ev->interval_max;
4548 cp.latency = ev->latency;
4549 cp.timeout = ev->timeout;
4550 cp.min_ce_len = 0;
4551 cp.max_ce_len = 0;
4552
4553 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4554}
4555
6039aa73 4556static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4557{
4558 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4559
4560 skb_pull(skb, sizeof(*le_ev));
4561
4562 switch (le_ev->subevent) {
4563 case HCI_EV_LE_CONN_COMPLETE:
4564 hci_le_conn_complete_evt(hdev, skb);
4565 break;
4566
1855d92d
MH		 4567 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4568 hci_le_conn_update_complete_evt(hdev, skb);
4569 break;
4570
9aa04c91
AG		 4571 case HCI_EV_LE_ADVERTISING_REPORT:
4572 hci_le_adv_report_evt(hdev, skb);
4573 break;
4574
a7a595f6
VCG		 4575 case HCI_EV_LE_LTK_REQ:
4576 hci_le_ltk_request_evt(hdev, skb);
4577 break;
4578
8e75b46a
AG		 4579 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4580 hci_le_remote_conn_param_req_evt(hdev, skb);
4581 break;
4582
fcd89c09
VT		 4583 default:
4584 break;
4585 }
4586}
4587
9495b2ee
AE		 4588static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4589{
4590 struct hci_ev_channel_selected *ev = (void *) skb->data;
4591 struct hci_conn *hcon;
4592
4593 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4594
4595 skb_pull(skb, sizeof(*ev));
4596
4597 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4598 if (!hcon)
4599 return;
4600
4601 amp_read_loc_assoc_final_data(hdev, hcon);
4602}
4603
a9de9248
MH		 4604void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4605{
4606 struct hci_event_hdr *hdr = (void *) skb->data;
4607 __u8 event = hdr->evt;
4608
b6ddb638
JH		 4609 hci_dev_lock(hdev);
4610
4611 /* Received events are (currently) only needed when a request is
4612 * ongoing so avoid unnecessary memory allocation.
4613 */
899de765 4614 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4615 kfree_skb(hdev->recv_evt);
4616 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4617 }
4618
4619 hci_dev_unlock(hdev);
4620
a9de9248
MH		 4621 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4622
02350a72 4623 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4624 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4625 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4626
4627 hci_req_cmd_complete(hdev, opcode, 0);
4628 }
4629
a9de9248 4630 switch (event) {
1da177e4
LT		 4631 case HCI_EV_INQUIRY_COMPLETE:
4632 hci_inquiry_complete_evt(hdev, skb);
4633 break;
4634
4635 case HCI_EV_INQUIRY_RESULT:
4636 hci_inquiry_result_evt(hdev, skb);
4637 break;
4638
a9de9248
MH		 4639 case HCI_EV_CONN_COMPLETE:
4640 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4641 break;
4642
1da177e4
LT		 4643 case HCI_EV_CONN_REQUEST:
4644 hci_conn_request_evt(hdev, skb);
4645 break;
4646
1da177e4
LT		 4647 case HCI_EV_DISCONN_COMPLETE:
4648 hci_disconn_complete_evt(hdev, skb);
4649 break;
4650
1da177e4
LT		 4651 case HCI_EV_AUTH_COMPLETE:
4652 hci_auth_complete_evt(hdev, skb);
4653 break;
4654
a9de9248
MH		 4655 case HCI_EV_REMOTE_NAME:
4656 hci_remote_name_evt(hdev, skb);
4657 break;
4658
1da177e4
LT		 4659 case HCI_EV_ENCRYPT_CHANGE:
4660 hci_encrypt_change_evt(hdev, skb);
4661 break;
4662
a9de9248
MH		 4663 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4664 hci_change_link_key_complete_evt(hdev, skb);
4665 break;
4666
4667 case HCI_EV_REMOTE_FEATURES:
4668 hci_remote_features_evt(hdev, skb);
4669 break;
4670
a9de9248
MH		 4671 case HCI_EV_CMD_COMPLETE:
4672 hci_cmd_complete_evt(hdev, skb);
4673 break;
4674
4675 case HCI_EV_CMD_STATUS:
4676 hci_cmd_status_evt(hdev, skb);
4677 break;
4678
4679 case HCI_EV_ROLE_CHANGE:
4680 hci_role_change_evt(hdev, skb);
4681 break;
4682
4683 case HCI_EV_NUM_COMP_PKTS:
4684 hci_num_comp_pkts_evt(hdev, skb);
4685 break;
4686
4687 case HCI_EV_MODE_CHANGE:
4688 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4689 break;
4690
4691 case HCI_EV_PIN_CODE_REQ:
4692 hci_pin_code_request_evt(hdev, skb);
4693 break;
4694
4695 case HCI_EV_LINK_KEY_REQ:
4696 hci_link_key_request_evt(hdev, skb);
4697 break;
4698
4699 case HCI_EV_LINK_KEY_NOTIFY:
4700 hci_link_key_notify_evt(hdev, skb);
4701 break;
4702
4703 case HCI_EV_CLOCK_OFFSET:
4704 hci_clock_offset_evt(hdev, skb);
4705 break;
4706
a8746417
MH		 4707 case HCI_EV_PKT_TYPE_CHANGE:
4708 hci_pkt_type_change_evt(hdev, skb);
4709 break;
4710
85a1e930
MH		 4711 case HCI_EV_PSCAN_REP_MODE:
4712 hci_pscan_rep_mode_evt(hdev, skb);
4713 break;
4714
a9de9248
MH		 4715 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4716 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4717 break;
4718
a9de9248
MH		 4719 case HCI_EV_REMOTE_EXT_FEATURES:
4720 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4721 break;
4722
a9de9248
MH		 4723 case HCI_EV_SYNC_CONN_COMPLETE:
4724 hci_sync_conn_complete_evt(hdev, skb);
4725 break;
1da177e4 4726
a9de9248
MH		 4727 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4728 hci_extended_inquiry_result_evt(hdev, skb);
4729 break;
1da177e4 4730
1c2e0041
JH		 4731 case HCI_EV_KEY_REFRESH_COMPLETE:
4732 hci_key_refresh_complete_evt(hdev, skb);
4733 break;
4734
0493684e
MH		 4735 case HCI_EV_IO_CAPA_REQUEST:
4736 hci_io_capa_request_evt(hdev, skb);
4737 break;
4738
03b555e1
JH		 4739 case HCI_EV_IO_CAPA_REPLY:
4740 hci_io_capa_reply_evt(hdev, skb);
4741 break;
4742
a5c29683
JH		 4743 case HCI_EV_USER_CONFIRM_REQUEST:
4744 hci_user_confirm_request_evt(hdev, skb);
4745 break;
4746
1143d458
BG		 4747 case HCI_EV_USER_PASSKEY_REQUEST:
4748 hci_user_passkey_request_evt(hdev, skb);
4749 break;
4750
92a25256
JH		 4751 case HCI_EV_USER_PASSKEY_NOTIFY:
4752 hci_user_passkey_notify_evt(hdev, skb);
4753 break;
4754
4755 case HCI_EV_KEYPRESS_NOTIFY:
4756 hci_keypress_notify_evt(hdev, skb);
4757 break;
4758
0493684e
MH		 4759 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4760 hci_simple_pair_complete_evt(hdev, skb);
4761 break;
4762
41a96212
MH		 4763 case HCI_EV_REMOTE_HOST_FEATURES:
4764 hci_remote_host_features_evt(hdev, skb);
4765 break;
4766
fcd89c09
VT		 4767 case HCI_EV_LE_META:
4768 hci_le_meta_evt(hdev, skb);
4769 break;
4770
9495b2ee
AE		 4771 case HCI_EV_CHANNEL_SELECTED:
4772 hci_chan_selected_evt(hdev, skb);
4773 break;
4774
2763eda6
SJ		 4775 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4776 hci_remote_oob_data_request_evt(hdev, skb);
4777 break;
4778
d5e91192
AE		 4779 case HCI_EV_PHY_LINK_COMPLETE:
4780 hci_phy_link_complete_evt(hdev, skb);
4781 break;
4782
27695fb4
AE		 4783 case HCI_EV_LOGICAL_LINK_COMPLETE:
4784 hci_loglink_complete_evt(hdev, skb);
4785 break;
4786
606e2a10
AE		 4787 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4788 hci_disconn_loglink_complete_evt(hdev, skb);
4789 break;
4790
9eef6b3a
AE		 4791 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4792 hci_disconn_phylink_complete_evt(hdev, skb);
4793 break;
4794
25e89e99
AE		 4795 case HCI_EV_NUM_COMP_BLOCKS:
4796 hci_num_comp_blocks_evt(hdev, skb);
4797 break;
4798
a9de9248 4799 default:
9f1db00c 4800 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4801 break;
4802 }
4803
4804 kfree_skb(skb);
4805 hdev->stat.evt_rx++;
4806}
Linux kernel - Deliverables
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