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Bluetooth: Track number of LE slave connections
[deliverable/linux.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
7024728e 33#include "a2mp.h"
7ef9fbf0 34#include "amp.h"
2ceba539 35#include "smp.h"
1da177e4 36
1da177e4
LT		 37/* Handle HCI Event packets */
38
a9de9248 39static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 40{
a9de9248 41 __u8 status = *((__u8 *) skb->data);
1da177e4 42
9f1db00c 43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 44
82f4785c 45 if (status)
a9de9248 46 return;
1da177e4 47
89352e7d 48 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 51
50143a43
JH		 52 hci_dev_lock(hdev);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
54 hci_dev_unlock(hdev);
55
a9de9248
MH		 56 hci_conn_check_pending(hdev);
57}
6bd57416 58
4d93483b
AG		 59static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
60{
61 __u8 status = *((__u8 *) skb->data);
62
9f1db00c 63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 64
65 if (status)
66 return;
67
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG		 69}
70
a9de9248
MH		 71static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
72{
73 __u8 status = *((__u8 *) skb->data);
6bd57416 74
9f1db00c 75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 76
a9de9248
MH		 77 if (status)
78 return;
1da177e4 79
ae854a70
AG		 80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
81
a9de9248
MH		 82 hci_conn_check_pending(hdev);
83}
84
807deac2
GP		 85static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
86 struct sk_buff *skb)
a9de9248
MH		 87{
88 BT_DBG("%s", hdev->name);
89}
90
91static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
92{
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
95
9f1db00c 96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 97
98 if (rp->status)
99 return;
100
101 hci_dev_lock(hdev);
102
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 104 if (conn)
105 conn->role = rp->role;
a9de9248
MH		 106
107 hci_dev_unlock(hdev);
1da177e4
LT		 108}
109
e4e8e37c
MH		 110static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
111{
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
114
9f1db00c 115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 116
117 if (rp->status)
118 return;
119
120 hci_dev_lock(hdev);
121
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
123 if (conn)
124 conn->link_policy = __le16_to_cpu(rp->policy);
125
126 hci_dev_unlock(hdev);
127}
128
a9de9248 129static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 130{
a9de9248 131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 132 struct hci_conn *conn;
04837f64 133 void *sent;
1da177e4 134
9f1db00c 135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 136
a9de9248
MH		 137 if (rp->status)
138 return;
1da177e4 139
a9de9248
MH		 140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
141 if (!sent)
142 return;
1da177e4 143
a9de9248 144 hci_dev_lock(hdev);
1da177e4 145
a9de9248 146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 147 if (conn)
83985319 148 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 149
a9de9248
MH		 150 hci_dev_unlock(hdev);
151}
1da177e4 152
807deac2
GP		 153static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
154 struct sk_buff *skb)
e4e8e37c
MH		 155{
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
157
9f1db00c 158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 159
160 if (rp->status)
161 return;
162
163 hdev->link_policy = __le16_to_cpu(rp->policy);
164}
165
807deac2
GP		 166static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
167 struct sk_buff *skb)
e4e8e37c
MH		 168{
169 __u8 status = *((__u8 *) skb->data);
170 void *sent;
171
9f1db00c 172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 173
45296acd
MH		 174 if (status)
175 return;
176
e4e8e37c
MH		 177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
178 if (!sent)
179 return;
180
45296acd 181 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 182}
183
a9de9248
MH		 184static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
185{
186 __u8 status = *((__u8 *) skb->data);
04837f64 187
9f1db00c 188 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 189
10572132
GP		 190 clear_bit(HCI_RESET, &hdev->flags);
191
a297e97c 192 /* Reset all non-persistent flags */
2cc6fb00 193 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 194
195 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 196 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
197 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 198
199 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
200 hdev->adv_data_len = 0;
f8e808bd
MH		 201
202 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
203 hdev->scan_rsp_data_len = 0;
06f5b778 204
533553f8
MH		 205 hdev->le_scan_type = LE_SCAN_PASSIVE;
206
06f5b778 207 hdev->ssp_debug_mode = 0;
a9de9248 208}
04837f64 209
a9de9248
MH		 210static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
211{
212 __u8 status = *((__u8 *) skb->data);
213 void *sent;
04837f64 214
9f1db00c 215 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 216
a9de9248
MH		 217 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
218 if (!sent)
219 return;
04837f64 220
56e5cb86
JH		 221 hci_dev_lock(hdev);
222
f51d5b24
JH		 223 if (test_bit(HCI_MGMT, &hdev->dev_flags))
224 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 225 else if (!status)
226 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 227
56e5cb86 228 hci_dev_unlock(hdev);
a9de9248
MH		 229}
230
231static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
232{
233 struct hci_rp_read_local_name *rp = (void *) skb->data;
234
9f1db00c 235 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 236
237 if (rp->status)
238 return;
239
db99b5fc
JH		 240 if (test_bit(HCI_SETUP, &hdev->dev_flags))
241 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 242}
243
244static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
245{
246 __u8 status = *((__u8 *) skb->data);
247 void *sent;
248
9f1db00c 249 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 250
251 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
252 if (!sent)
253 return;
254
255 if (!status) {
256 __u8 param = *((__u8 *) sent);
257
258 if (param == AUTH_ENABLED)
259 set_bit(HCI_AUTH, &hdev->flags);
260 else
261 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 262 }
a9de9248 263
33ef95ed
JH		 264 if (test_bit(HCI_MGMT, &hdev->dev_flags))
265 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 266}
267
a9de9248 268static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 269{
a9de9248 270 __u8 status = *((__u8 *) skb->data);
45296acd 271 __u8 param;
1da177e4
LT		 272 void *sent;
273
9f1db00c 274 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 275
45296acd
MH		 276 if (status)
277 return;
278
a9de9248
MH		 279 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
280 if (!sent)
281 return;
1da177e4 282
45296acd 283 param = *((__u8 *) sent);
a9de9248 284
45296acd
MH		 285 if (param)
286 set_bit(HCI_ENCRYPT, &hdev->flags);
287 else
288 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 289}
1da177e4 290
a9de9248
MH		 291static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
292{
45296acd
MH		 293 __u8 status = *((__u8 *) skb->data);
294 __u8 param;
a9de9248 295 void *sent;
1da177e4 296
9f1db00c 297 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 298
a9de9248
MH		 299 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
300 if (!sent)
301 return;
1da177e4 302
36f7fc7e
JH		 303 param = *((__u8 *) sent);
304
56e5cb86
JH		 305 hci_dev_lock(hdev);
306
fa1bd918 307 if (status) {
2d7cee58
JH		 308 hdev->discov_timeout = 0;
309 goto done;
310 }
311
bc6d2d04 312 if (param & SCAN_INQUIRY)
36f7fc7e 313 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 314 else
315 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 316
031547d8 317 if (param & SCAN_PAGE)
36f7fc7e 318 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04
JH		 319 else
320 clear_bit(HCI_ISCAN, &hdev->flags);
1da177e4 321
36f7fc7e 322done:
56e5cb86 323 hci_dev_unlock(hdev);
a9de9248 324}
1da177e4 325
a9de9248
MH		 326static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
327{
328 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 329
9f1db00c 330 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 331
a9de9248
MH		 332 if (rp->status)
333 return;
1da177e4 334
a9de9248 335 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 336
a9de9248 337 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 338 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 339}
1da177e4 340
a9de9248
MH		 341static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
342{
343 __u8 status = *((__u8 *) skb->data);
344 void *sent;
1da177e4 345
9f1db00c 346 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 347
a9de9248
MH		 348 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
349 if (!sent)
350 return;
1da177e4 351
7f9a903c
MH		 352 hci_dev_lock(hdev);
353
354 if (status == 0)
355 memcpy(hdev->dev_class, sent, 3);
356
357 if (test_bit(HCI_MGMT, &hdev->dev_flags))
358 mgmt_set_class_of_dev_complete(hdev, sent, status);
359
360 hci_dev_unlock(hdev);
a9de9248 361}
1da177e4 362
a9de9248
MH		 363static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
364{
365 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
366 __u16 setting;
367
9f1db00c 368 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 369
370 if (rp->status)
371 return;
372
373 setting = __le16_to_cpu(rp->voice_setting);
374
f383f275 375 if (hdev->voice_setting == setting)
a9de9248
MH		 376 return;
377
378 hdev->voice_setting = setting;
379
9f1db00c 380 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 381
3c54711c 382 if (hdev->notify)
a9de9248 383 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 384}
385
8fc9ced3
GP		 386static void hci_cc_write_voice_setting(struct hci_dev *hdev,
387 struct sk_buff *skb)
a9de9248
MH		 388{
389 __u8 status = *((__u8 *) skb->data);
f383f275 390 __u16 setting;
a9de9248
MH		 391 void *sent;
392
9f1db00c 393 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 394
f383f275
MH		 395 if (status)
396 return;
397
a9de9248
MH		 398 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
399 if (!sent)
400 return;
1da177e4 401
f383f275 402 setting = get_unaligned_le16(sent);
1da177e4 403
f383f275
MH		 404 if (hdev->voice_setting == setting)
405 return;
406
407 hdev->voice_setting = setting;
1da177e4 408
9f1db00c 409 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 410
3c54711c 411 if (hdev->notify)
f383f275 412 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 413}
414
b4cb9fb2
MH		 415static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
416 struct sk_buff *skb)
417{
418 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
419
420 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
421
422 if (rp->status)
423 return;
424
425 hdev->num_iac = rp->num_iac;
426
427 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
428}
429
333140b5
MH		 430static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
431{
432 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 433 struct hci_cp_write_ssp_mode *sent;
333140b5 434
9f1db00c 435 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 436
333140b5
MH		 437 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
438 if (!sent)
439 return;
440
5ed8eb2f
JH		 441 if (!status) {
442 if (sent->mode)
cad718ed 443 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 444 else
cad718ed 445 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 446 }
447
ed2c4ee3 448 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 449 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 450 else if (!status) {
5ed8eb2f 451 if (sent->mode)
c0ecddc2
JH		 452 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
453 else
454 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
455 }
333140b5
MH		 456}
457
eac83dc6
MH		 458static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
459{
460 u8 status = *((u8 *) skb->data);
461 struct hci_cp_write_sc_support *sent;
462
463 BT_DBG("%s status 0x%2.2x", hdev->name, status);
464
465 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
466 if (!sent)
467 return;
468
469 if (!status) {
470 if (sent->support)
471 hdev->features[1][0] |= LMP_HOST_SC;
472 else
473 hdev->features[1][0] &= ~LMP_HOST_SC;
474 }
475
476 if (test_bit(HCI_MGMT, &hdev->dev_flags))
477 mgmt_sc_enable_complete(hdev, sent->support, status);
478 else if (!status) {
479 if (sent->support)
480 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
481 else
482 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
483 }
484}
485
a9de9248
MH		 486static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
487{
488 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 489
9f1db00c 490 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 491
a9de9248 492 if (rp->status)
42c6b129 493 return;
1143e5a6 494
0d5551f5
MH		 495 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
496 hdev->hci_ver = rp->hci_ver;
497 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
498 hdev->lmp_ver = rp->lmp_ver;
499 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
500 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
501 }
d5859e22
JH		 502}
503
8fc9ced3
GP		 504static void hci_cc_read_local_commands(struct hci_dev *hdev,
505 struct sk_buff *skb)
a9de9248
MH		 506{
507 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 508
9f1db00c 509 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 510
6a070e6e
MH		 511 if (rp->status)
512 return;
513
514 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 515 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 516}
1da177e4 517
8fc9ced3
GP		 518static void hci_cc_read_local_features(struct hci_dev *hdev,
519 struct sk_buff *skb)
a9de9248
MH		 520{
521 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 522
9f1db00c 523 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 524
a9de9248
MH		 525 if (rp->status)
526 return;
5b7f9909 527
a9de9248 528 memcpy(hdev->features, rp->features, 8);
5b7f9909 529
a9de9248
MH		 530 /* Adjust default settings according to features
531 * supported by device. */
1da177e4 532
cad718ed 533 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 534 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 535
cad718ed 536 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 537 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 538
cad718ed 539 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 540 hdev->pkt_type |= (HCI_HV2);
541 hdev->esco_type |= (ESCO_HV2);
542 }
1da177e4 543
cad718ed 544 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 545 hdev->pkt_type |= (HCI_HV3);
546 hdev->esco_type |= (ESCO_HV3);
547 }
1da177e4 548
45db810f 549 if (lmp_esco_capable(hdev))
a9de9248 550 hdev->esco_type |= (ESCO_EV3);
da1f5198 551
cad718ed 552 if (hdev->features[0][4] & LMP_EV4)
a9de9248 553 hdev->esco_type |= (ESCO_EV4);
da1f5198 554
cad718ed 555 if (hdev->features[0][4] & LMP_EV5)
a9de9248 556 hdev->esco_type |= (ESCO_EV5);
1da177e4 557
cad718ed 558 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 559 hdev->esco_type |= (ESCO_2EV3);
560
cad718ed 561 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 562 hdev->esco_type |= (ESCO_3EV3);
563
cad718ed 564 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 565 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 566}
1da177e4 567
971e3a4b 568static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 569 struct sk_buff *skb)
971e3a4b
AG		 570{
571 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
572
9f1db00c 573 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 574
575 if (rp->status)
42c6b129 576 return;
971e3a4b 577
57af75a8
MH		 578 if (hdev->max_page < rp->max_page)
579 hdev->max_page = rp->max_page;
d2c5d77f 580
cad718ed
JH		 581 if (rp->page < HCI_MAX_PAGES)
582 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 583}
584
1e89cffb 585static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 586 struct sk_buff *skb)
1e89cffb
AE		 587{
588 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
589
9f1db00c 590 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 591
45296acd
MH		 592 if (rp->status)
593 return;
594
595 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 596}
597
a9de9248
MH		 598static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
599{
600 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 601
9f1db00c 602 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 603
a9de9248
MH		 604 if (rp->status)
605 return;
1da177e4 606
a9de9248
MH		 607 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
608 hdev->sco_mtu = rp->sco_mtu;
609 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
610 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
611
612 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
613 hdev->sco_mtu = 64;
614 hdev->sco_pkts = 8;
1da177e4 615 }
a9de9248
MH		 616
617 hdev->acl_cnt = hdev->acl_pkts;
618 hdev->sco_cnt = hdev->sco_pkts;
619
807deac2
GP		 620 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
621 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 622}
623
624static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
625{
626 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
627
9f1db00c 628 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 629
e30d3f5f
MH		 630 if (rp->status)
631 return;
632
633 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 634 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 635
636 if (test_bit(HCI_SETUP, &hdev->dev_flags))
637 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 638}
639
f332ec66
JH		 640static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
641 struct sk_buff *skb)
642{
643 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
644
645 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
646
45296acd
MH		 647 if (rp->status)
648 return;
649
650 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 651 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
652 hdev->page_scan_window = __le16_to_cpu(rp->window);
653 }
654}
655
4a3ee763
JH		 656static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
657 struct sk_buff *skb)
658{
659 u8 status = *((u8 *) skb->data);
660 struct hci_cp_write_page_scan_activity *sent;
661
662 BT_DBG("%s status 0x%2.2x", hdev->name, status);
663
664 if (status)
665 return;
666
667 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
668 if (!sent)
669 return;
670
671 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
672 hdev->page_scan_window = __le16_to_cpu(sent->window);
673}
674
f332ec66
JH		 675static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
676 struct sk_buff *skb)
677{
678 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
679
680 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
681
45296acd
MH		 682 if (rp->status)
683 return;
684
685 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 686 hdev->page_scan_type = rp->type;
687}
688
4a3ee763
JH		 689static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
690 struct sk_buff *skb)
691{
692 u8 status = *((u8 *) skb->data);
693 u8 *type;
694
695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
696
697 if (status)
698 return;
699
700 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
701 if (type)
702 hdev->page_scan_type = *type;
703}
704
350ee4cf 705static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 706 struct sk_buff *skb)
350ee4cf
AE		 707{
708 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
709
9f1db00c 710 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 711
712 if (rp->status)
713 return;
714
715 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
716 hdev->block_len = __le16_to_cpu(rp->block_len);
717 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
718
719 hdev->block_cnt = hdev->num_blocks;
720
721 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 722 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 723}
724
33f35721
JH		 725static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
726{
727 struct hci_rp_read_clock *rp = (void *) skb->data;
728 struct hci_cp_read_clock *cp;
729 struct hci_conn *conn;
730
731 BT_DBG("%s", hdev->name);
732
733 if (skb->len < sizeof(*rp))
734 return;
735
736 if (rp->status)
737 return;
738
739 hci_dev_lock(hdev);
740
741 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
742 if (!cp)
743 goto unlock;
744
745 if (cp->which == 0x00) {
746 hdev->clock = le32_to_cpu(rp->clock);
747 goto unlock;
748 }
749
750 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
751 if (conn) {
752 conn->clock = le32_to_cpu(rp->clock);
753 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
754 }
755
756unlock:
757 hci_dev_unlock(hdev);
758}
759
928abaa7 760static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 761 struct sk_buff *skb)
928abaa7
AE		 762{
763 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
764
9f1db00c 765 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 766
767 if (rp->status)
8e2a0d92 768 goto a2mp_rsp;
928abaa7
AE		 769
770 hdev->amp_status = rp->amp_status;
771 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
772 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
773 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
774 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
775 hdev->amp_type = rp->amp_type;
776 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
777 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
778 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
779 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
780
8e2a0d92
AE		 781a2mp_rsp:
782 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 783}
784
903e4541
AE		 785static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
786 struct sk_buff *skb)
787{
788 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
789 struct amp_assoc *assoc = &hdev->loc_assoc;
790 size_t rem_len, frag_len;
791
792 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
793
794 if (rp->status)
795 goto a2mp_rsp;
796
797 frag_len = skb->len - sizeof(*rp);
798 rem_len = __le16_to_cpu(rp->rem_len);
799
800 if (rem_len > frag_len) {
2e430be3 801 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 802
803 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
804 assoc->offset += frag_len;
805
806 /* Read other fragments */
807 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
808
809 return;
810 }
811
812 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
813 assoc->len = assoc->offset + rem_len;
814 assoc->offset = 0;
815
816a2mp_rsp:
817 /* Send A2MP Rsp when all fragments are received */
818 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 819 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 820}
821
d5859e22 822static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 823 struct sk_buff *skb)
d5859e22 824{
91c4e9b1 825 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 826
9f1db00c 827 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 828
45296acd
MH		 829 if (rp->status)
830 return;
831
832 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 833}
834
980e1a53
JH		 835static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
836{
837 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
838 struct hci_cp_pin_code_reply *cp;
839 struct hci_conn *conn;
840
9f1db00c 841 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 842
56e5cb86
JH		 843 hci_dev_lock(hdev);
844
a8b2d5c2 845 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 846 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 847
fa1bd918 848 if (rp->status)
56e5cb86 849 goto unlock;
980e1a53
JH		 850
851 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
852 if (!cp)
56e5cb86 853 goto unlock;
980e1a53
JH		 854
855 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
856 if (conn)
857 conn->pin_length = cp->pin_len;
56e5cb86
JH		 858
859unlock:
860 hci_dev_unlock(hdev);
980e1a53
JH		 861}
862
863static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
864{
865 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
866
9f1db00c 867 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 868
56e5cb86
JH		 869 hci_dev_lock(hdev);
870
a8b2d5c2 871 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 872 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 873 rp->status);
56e5cb86
JH		 874
875 hci_dev_unlock(hdev);
980e1a53 876}
56e5cb86 877
6ed58ec5
VT		 878static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
879 struct sk_buff *skb)
880{
881 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
882
9f1db00c 883 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 884
885 if (rp->status)
886 return;
887
888 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
889 hdev->le_pkts = rp->le_max_pkt;
890
891 hdev->le_cnt = hdev->le_pkts;
892
893 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 894}
980e1a53 895
60e77321
JH		 896static void hci_cc_le_read_local_features(struct hci_dev *hdev,
897 struct sk_buff *skb)
898{
899 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
900
901 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
902
45296acd
MH		 903 if (rp->status)
904 return;
905
906 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 907}
908
8fa19098
JH		 909static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
910 struct sk_buff *skb)
911{
912 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
913
914 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
915
45296acd
MH		 916 if (rp->status)
917 return;
918
919 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 920}
921
a5c29683
JH		 922static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
923{
924 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
925
9f1db00c 926 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 927
56e5cb86
JH		 928 hci_dev_lock(hdev);
929
a8b2d5c2 930 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 931 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
932 rp->status);
56e5cb86
JH		 933
934 hci_dev_unlock(hdev);
a5c29683
JH		 935}
936
937static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 938 struct sk_buff *skb)
a5c29683
JH		 939{
940 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
941
9f1db00c 942 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 943
56e5cb86
JH		 944 hci_dev_lock(hdev);
945
a8b2d5c2 946 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 947 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 948 ACL_LINK, 0, rp->status);
56e5cb86
JH		 949
950 hci_dev_unlock(hdev);
a5c29683
JH		 951}
952
1143d458
BG		 953static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
954{
955 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
956
9f1db00c 957 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 958
959 hci_dev_lock(hdev);
960
a8b2d5c2 961 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 962 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 963 0, rp->status);
1143d458
BG		 964
965 hci_dev_unlock(hdev);
966}
967
968static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 969 struct sk_buff *skb)
1143d458
BG		 970{
971 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
972
9f1db00c 973 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 974
975 hci_dev_lock(hdev);
976
a8b2d5c2 977 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 978 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 979 ACL_LINK, 0, rp->status);
1143d458
BG		 980
981 hci_dev_unlock(hdev);
982}
983
4d2d2796
MH		 984static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
985 struct sk_buff *skb)
c35938b2
SJ		 986{
987 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
988
9f1db00c 989 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 990
56e5cb86 991 hci_dev_lock(hdev);
4d2d2796
MH		 992 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
993 NULL, NULL, rp->status);
994 hci_dev_unlock(hdev);
995}
996
997static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
998 struct sk_buff *skb)
999{
1000 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1001
1002 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1003
1004 hci_dev_lock(hdev);
1005 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1006 rp->hash256, rp->randomizer256,
1007 rp->status);
56e5cb86 1008 hci_dev_unlock(hdev);
c35938b2
SJ		 1009}
1010
7a4cd51d
MH		 1011
1012static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1013{
1014 __u8 status = *((__u8 *) skb->data);
1015 bdaddr_t *sent;
1016
1017 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1018
45296acd
MH		 1019 if (status)
1020 return;
1021
7a4cd51d
MH		 1022 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1023 if (!sent)
1024 return;
1025
1026 hci_dev_lock(hdev);
1027
45296acd 1028 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1029
1030 hci_dev_unlock(hdev);
1031}
1032
c1d5dc4a
JH		 1033static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1034{
1035 __u8 *sent, status = *((__u8 *) skb->data);
1036
1037 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1038
45296acd 1039 if (status)
c1d5dc4a
JH		 1040 return;
1041
45296acd
MH		 1042 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1043 if (!sent)
3c857757
JH		 1044 return;
1045
c1d5dc4a
JH		 1046 hci_dev_lock(hdev);
1047
3c857757
JH		 1048 /* If we're doing connection initation as peripheral. Set a
1049 * timeout in case something goes wrong.
1050 */
1051 if (*sent) {
1052 struct hci_conn *conn;
1053
66c417c1
JH		 1054 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1055
3c857757
JH		 1056 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1057 if (conn)
1058 queue_delayed_work(hdev->workqueue,
1059 &conn->le_conn_timeout,
09ae260b 1060 conn->conn_timeout);
66c417c1
JH		 1061 } else {
1062 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1063 }
1064
04b4edcb 1065 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1066}
1067
533553f8
MH		 1068static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1069{
1070 struct hci_cp_le_set_scan_param *cp;
1071 __u8 status = *((__u8 *) skb->data);
1072
1073 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1074
45296acd
MH		 1075 if (status)
1076 return;
1077
533553f8
MH		 1078 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1079 if (!cp)
1080 return;
1081
1082 hci_dev_lock(hdev);
1083
45296acd 1084 hdev->le_scan_type = cp->type;
533553f8
MH		 1085
1086 hci_dev_unlock(hdev);
1087}
1088
b9a6328f
JH		 1089static bool has_pending_adv_report(struct hci_dev *hdev)
1090{
1091 struct discovery_state *d = &hdev->discovery;
1092
1093 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1094}
1095
1096static void clear_pending_adv_report(struct hci_dev *hdev)
1097{
1098 struct discovery_state *d = &hdev->discovery;
1099
1100 bacpy(&d->last_adv_addr, BDADDR_ANY);
1101 d->last_adv_data_len = 0;
1102}
1103
1104static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1105 u8 bdaddr_type, s8 rssi, u32 flags,
1106 u8 *data, u8 len)
b9a6328f
JH		 1107{
1108 struct discovery_state *d = &hdev->discovery;
1109
1110 bacpy(&d->last_adv_addr, bdaddr);
1111 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1112 d->last_adv_rssi = rssi;
c70a7e4c 1113 d->last_adv_flags = flags;
b9a6328f
JH		 1114 memcpy(d->last_adv_data, data, len);
1115 d->last_adv_data_len = len;
1116}
1117
eb9d91f5 1118static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1119 struct sk_buff *skb)
eb9d91f5
AG		 1120{
1121 struct hci_cp_le_set_scan_enable *cp;
1122 __u8 status = *((__u8 *) skb->data);
1123
9f1db00c 1124 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1125
45296acd 1126 if (status)
eb9d91f5
AG		 1127 return;
1128
45296acd
MH		 1129 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1130 if (!cp)
3fd319b8
AG		 1131 return;
1132
68a8aea4 1133 switch (cp->enable) {
76a388be 1134 case LE_SCAN_ENABLE:
d23264a8 1135 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1136 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1137 clear_pending_adv_report(hdev);
68a8aea4
AE		 1138 break;
1139
76a388be 1140 case LE_SCAN_DISABLE:
b9a6328f
JH		 1141 /* We do this here instead of when setting DISCOVERY_STOPPED
1142 * since the latter would potentially require waiting for
1143 * inquiry to stop too.
1144 */
1145 if (has_pending_adv_report(hdev)) {
1146 struct discovery_state *d = &hdev->discovery;
1147
1148 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1149 d->last_adv_addr_type, NULL,
c70a7e4c 1150 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1151 d->last_adv_data,
b9a6328f
JH		 1152 d->last_adv_data_len, NULL, 0);
1153 }
1154
317ac8cb
JH		 1155 /* Cancel this timer so that we don't try to disable scanning
1156 * when it's already disabled.
1157 */
1158 cancel_delayed_work(&hdev->le_scan_disable);
1159
d23264a8 1160 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1161
81ad6fd9
JH		 1162 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1163 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1164 * therefore discovery as stopped. If this was not
1165 * because of a connect request advertising might have
1166 * been disabled because of active scanning, so
1167 * re-enable it again if necessary.
81ad6fd9
JH		 1168 */
1169 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1170 &hdev->dev_flags))
1171 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1172 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1173 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1174 mgmt_reenable_advertising(hdev);
1175
68a8aea4
AE		 1176 break;
1177
1178 default:
1179 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1180 break;
35815085 1181 }
eb9d91f5
AG		 1182}
1183
cf1d081f
JH		 1184static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1185 struct sk_buff *skb)
1186{
1187 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1188
1189 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1190
45296acd
MH		 1191 if (rp->status)
1192 return;
1193
1194 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1195}
1196
0f36b589
MH		 1197static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1198 struct sk_buff *skb)
1199{
1200 __u8 status = *((__u8 *) skb->data);
1201
1202 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1203
45296acd
MH		 1204 if (status)
1205 return;
1206
dcc36c16 1207 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1208}
1209
1210static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1211 struct sk_buff *skb)
1212{
1213 struct hci_cp_le_add_to_white_list *sent;
1214 __u8 status = *((__u8 *) skb->data);
1215
1216 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1217
45296acd
MH		 1218 if (status)
1219 return;
1220
0f36b589
MH		 1221 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1222 if (!sent)
1223 return;
1224
dcc36c16
JH		 1225 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1226 sent->bdaddr_type);
0f36b589
MH		 1227}
1228
1229static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1230 struct sk_buff *skb)
1231{
1232 struct hci_cp_le_del_from_white_list *sent;
1233 __u8 status = *((__u8 *) skb->data);
1234
1235 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1236
45296acd
MH		 1237 if (status)
1238 return;
1239
0f36b589
MH		 1240 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1241 if (!sent)
1242 return;
1243
dcc36c16
JH		 1244 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1245 sent->bdaddr_type);
0f36b589
MH		 1246}
1247
9b008c04
JH		 1248static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1249 struct sk_buff *skb)
1250{
1251 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1252
1253 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1254
45296acd
MH		 1255 if (rp->status)
1256 return;
1257
1258 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1259}
1260
6039aa73
GP		 1261static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1262 struct sk_buff *skb)
f9b49306 1263{
06199cf8 1264 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1265 __u8 status = *((__u8 *) skb->data);
1266
9f1db00c 1267 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1268
45296acd
MH		 1269 if (status)
1270 return;
1271
06199cf8 1272 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1273 if (!sent)
f9b49306
AG		 1274 return;
1275
45296acd
MH		 1276 if (sent->le) {
1277 hdev->features[1][0] |= LMP_HOST_LE;
1278 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1279 } else {
1280 hdev->features[1][0] &= ~LMP_HOST_LE;
1281 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1282 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1283 }
45296acd
MH		 1284
1285 if (sent->simul)
1286 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1287 else
1288 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1289}
1290
56ed2cb8
JH		 1291static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1292{
1293 struct hci_cp_le_set_adv_param *cp;
1294 u8 status = *((u8 *) skb->data);
1295
1296 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1297
1298 if (status)
1299 return;
1300
1301 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1302 if (!cp)
1303 return;
1304
1305 hci_dev_lock(hdev);
1306 hdev->adv_addr_type = cp->own_address_type;
1307 hci_dev_unlock(hdev);
1308}
1309
93c284ee
AE		 1310static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1311 struct sk_buff *skb)
1312{
1313 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1314
1315 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1316 hdev->name, rp->status, rp->phy_handle);
1317
1318 if (rp->status)
1319 return;
1320
1321 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1322}
1323
5ae76a94
AK		 1324static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1325{
1326 struct hci_rp_read_rssi *rp = (void *) skb->data;
1327 struct hci_conn *conn;
1328
1329 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1330
1331 if (rp->status)
1332 return;
1333
1334 hci_dev_lock(hdev);
1335
1336 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1337 if (conn)
1338 conn->rssi = rp->rssi;
1339
1340 hci_dev_unlock(hdev);
1341}
1342
5a134fae
AK		 1343static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1344{
1345 struct hci_cp_read_tx_power *sent;
1346 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1347 struct hci_conn *conn;
1348
1349 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1350
1351 if (rp->status)
1352 return;
1353
1354 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1355 if (!sent)
1356 return;
1357
1358 hci_dev_lock(hdev);
1359
1360 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1361 if (!conn)
1362 goto unlock;
1363
1364 switch (sent->type) {
1365 case 0x00:
5a134fae 1366 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1367 break;
1368 case 0x01:
1369 conn->max_tx_power = rp->tx_power;
1370 break;
1371 }
5a134fae 1372
d0455ed9 1373unlock:
5a134fae
AK		 1374 hci_dev_unlock(hdev);
1375}
1376
6039aa73 1377static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1378{
9f1db00c 1379 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1380
1381 if (status) {
a9de9248 1382 hci_conn_check_pending(hdev);
314b2381
JH		 1383 return;
1384 }
1385
89352e7d 1386 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1387}
1388
6039aa73 1389static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1390{
a9de9248 1391 struct hci_cp_create_conn *cp;
1da177e4 1392 struct hci_conn *conn;
1da177e4 1393
9f1db00c 1394 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1395
1396 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1397 if (!cp)
1398 return;
1399
1400 hci_dev_lock(hdev);
1401
1402 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1403
6ed93dc6 1404 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1405
1406 if (status) {
1407 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1408 if (status != 0x0c || conn->attempt > 2) {
1409 conn->state = BT_CLOSED;
1410 hci_proto_connect_cfm(conn, status);
1411 hci_conn_del(conn);
1412 } else
1413 conn->state = BT_CONNECT2;
1da177e4
LT		 1414 }
1415 } else {
1416 if (!conn) {
a5c4e309
JH		 1417 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1418 HCI_ROLE_MASTER);
1419 if (!conn)
893ef971 1420 BT_ERR("No memory for new connection");
1da177e4
LT		 1421 }
1422 }
1423
1424 hci_dev_unlock(hdev);
1425}
1426
a9de9248 1427static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1428{
a9de9248
MH		 1429 struct hci_cp_add_sco *cp;
1430 struct hci_conn *acl, *sco;
1431 __u16 handle;
1da177e4 1432
9f1db00c 1433 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1434
a9de9248
MH		 1435 if (!status)
1436 return;
1da177e4 1437
a9de9248
MH		 1438 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1439 if (!cp)
1440 return;
1da177e4 1441
a9de9248 1442 handle = __le16_to_cpu(cp->handle);
1da177e4 1443
9f1db00c 1444 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1445
a9de9248 1446 hci_dev_lock(hdev);
1da177e4 1447
a9de9248 1448 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1449 if (acl) {
1450 sco = acl->link;
1451 if (sco) {
1452 sco->state = BT_CLOSED;
1da177e4 1453
5a08ecce
AE		 1454 hci_proto_connect_cfm(sco, status);
1455 hci_conn_del(sco);
1456 }
a9de9248 1457 }
1da177e4 1458
a9de9248
MH		 1459 hci_dev_unlock(hdev);
1460}
1da177e4 1461
f8558555
MH		 1462static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1463{
1464 struct hci_cp_auth_requested *cp;
1465 struct hci_conn *conn;
1466
9f1db00c 1467 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1468
1469 if (!status)
1470 return;
1471
1472 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1473 if (!cp)
1474 return;
1475
1476 hci_dev_lock(hdev);
1477
1478 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1479 if (conn) {
1480 if (conn->state == BT_CONFIG) {
1481 hci_proto_connect_cfm(conn, status);
76a68ba0 1482 hci_conn_drop(conn);
f8558555
MH		 1483 }
1484 }
1485
1486 hci_dev_unlock(hdev);
1487}
1488
1489static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1490{
1491 struct hci_cp_set_conn_encrypt *cp;
1492 struct hci_conn *conn;
1493
9f1db00c 1494 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1495
1496 if (!status)
1497 return;
1498
1499 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1500 if (!cp)
1501 return;
1502
1503 hci_dev_lock(hdev);
1504
1505 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1506 if (conn) {
1507 if (conn->state == BT_CONFIG) {
1508 hci_proto_connect_cfm(conn, status);
76a68ba0 1509 hci_conn_drop(conn);
f8558555
MH		 1510 }
1511 }
1512
1513 hci_dev_unlock(hdev);
1514}
1515
127178d2 1516static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1517 struct hci_conn *conn)
392599b9 1518{
392599b9
JH		 1519 if (conn->state != BT_CONFIG || !conn->out)
1520 return 0;
1521
765c2a96 1522 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1523 return 0;
1524
1525 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1526 * devices with sec_level MEDIUM or HIGH or if MITM protection
1527 * is requested.
1528 */
807deac2 1529 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1530 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1531 conn->pending_sec_level != BT_SECURITY_HIGH &&
1532 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1533 return 0;
1534
392599b9
JH		 1535 return 1;
1536}
1537
6039aa73 1538static int hci_resolve_name(struct hci_dev *hdev,
04124681 1539 struct inquiry_entry *e)
30dc78e1
JH		 1540{
1541 struct hci_cp_remote_name_req cp;
1542
1543 memset(&cp, 0, sizeof(cp));
1544
1545 bacpy(&cp.bdaddr, &e->data.bdaddr);
1546 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1547 cp.pscan_mode = e->data.pscan_mode;
1548 cp.clock_offset = e->data.clock_offset;
1549
1550 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1551}
1552
b644ba33 1553static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1554{
1555 struct discovery_state *discov = &hdev->discovery;
1556 struct inquiry_entry *e;
1557
b644ba33
JH		 1558 if (list_empty(&discov->resolve))
1559 return false;
1560
1561 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1562 if (!e)
1563 return false;
1564
b644ba33
JH		 1565 if (hci_resolve_name(hdev, e) == 0) {
1566 e->name_state = NAME_PENDING;
1567 return true;
1568 }
1569
1570 return false;
1571}
1572
1573static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1574 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1575{
1576 struct discovery_state *discov = &hdev->discovery;
1577 struct inquiry_entry *e;
1578
1579 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP		 1580 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1581 name_len, conn->dev_class);
b644ba33
JH		 1582
1583 if (discov->state == DISCOVERY_STOPPED)
1584 return;
1585
30dc78e1
JH		 1586 if (discov->state == DISCOVERY_STOPPING)
1587 goto discov_complete;
1588
1589 if (discov->state != DISCOVERY_RESOLVING)
1590 return;
1591
1592 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1593 /* If the device was not found in a list of found devices names of which
1594 * are pending. there is no need to continue resolving a next name as it
1595 * will be done upon receiving another Remote Name Request Complete
1596 * Event */
1597 if (!e)
1598 return;
1599
1600 list_del(&e->list);
1601 if (name) {
30dc78e1 1602 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1603 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1604 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1605 } else {
1606 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1607 }
1608
b644ba33 1609 if (hci_resolve_next_name(hdev))
30dc78e1 1610 return;
30dc78e1
JH		 1611
1612discov_complete:
1613 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1614}
1615
a9de9248
MH		 1616static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1617{
127178d2
JH		 1618 struct hci_cp_remote_name_req *cp;
1619 struct hci_conn *conn;
1620
9f1db00c 1621 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1622
1623 /* If successful wait for the name req complete event before
1624 * checking for the need to do authentication */
1625 if (!status)
1626 return;
1627
1628 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1629 if (!cp)
1630 return;
1631
1632 hci_dev_lock(hdev);
1633
b644ba33
JH		 1634 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1635
a8b2d5c2 1636 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1637 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1638
79c6c70c
JH		 1639 if (!conn)
1640 goto unlock;
1641
1642 if (!hci_outgoing_auth_needed(hdev, conn))
1643 goto unlock;
1644
51a8efd7 1645 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1646 struct hci_cp_auth_requested auth_cp;
1647
1648 auth_cp.handle = __cpu_to_le16(conn->handle);
1649 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1650 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1651 }
1652
79c6c70c 1653unlock:
127178d2 1654 hci_dev_unlock(hdev);
a9de9248 1655}
1da177e4 1656
769be974
MH		 1657static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1658{
1659 struct hci_cp_read_remote_features *cp;
1660 struct hci_conn *conn;
1661
9f1db00c 1662 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1663
1664 if (!status)
1665 return;
1666
1667 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1668 if (!cp)
1669 return;
1670
1671 hci_dev_lock(hdev);
1672
1673 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1674 if (conn) {
1675 if (conn->state == BT_CONFIG) {
769be974 1676 hci_proto_connect_cfm(conn, status);
76a68ba0 1677 hci_conn_drop(conn);
769be974
MH		 1678 }
1679 }
1680
1681 hci_dev_unlock(hdev);
1682}
1683
1684static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1685{
1686 struct hci_cp_read_remote_ext_features *cp;
1687 struct hci_conn *conn;
1688
9f1db00c 1689 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1690
1691 if (!status)
1692 return;
1693
1694 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1695 if (!cp)
1696 return;
1697
1698 hci_dev_lock(hdev);
1699
1700 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1701 if (conn) {
1702 if (conn->state == BT_CONFIG) {
769be974 1703 hci_proto_connect_cfm(conn, status);
76a68ba0 1704 hci_conn_drop(conn);
769be974
MH		 1705 }
1706 }
1707
1708 hci_dev_unlock(hdev);
1709}
1710
a9de9248
MH		 1711static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1712{
b6a0dc82
MH		 1713 struct hci_cp_setup_sync_conn *cp;
1714 struct hci_conn *acl, *sco;
1715 __u16 handle;
1716
9f1db00c 1717 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1718
1719 if (!status)
1720 return;
1721
1722 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1723 if (!cp)
1724 return;
1725
1726 handle = __le16_to_cpu(cp->handle);
1727
9f1db00c 1728 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1729
1730 hci_dev_lock(hdev);
1731
1732 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1733 if (acl) {
1734 sco = acl->link;
1735 if (sco) {
1736 sco->state = BT_CLOSED;
b6a0dc82 1737
5a08ecce
AE		 1738 hci_proto_connect_cfm(sco, status);
1739 hci_conn_del(sco);
1740 }
b6a0dc82
MH		 1741 }
1742
1743 hci_dev_unlock(hdev);
1da177e4
LT		 1744}
1745
a9de9248 1746static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1747{
a9de9248
MH		 1748 struct hci_cp_sniff_mode *cp;
1749 struct hci_conn *conn;
1da177e4 1750
9f1db00c 1751 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1752
a9de9248
MH		 1753 if (!status)
1754 return;
04837f64 1755
a9de9248
MH		 1756 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1757 if (!cp)
1758 return;
04837f64 1759
a9de9248 1760 hci_dev_lock(hdev);
04837f64 1761
a9de9248 1762 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1763 if (conn) {
51a8efd7 1764 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1765
51a8efd7 1766 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1767 hci_sco_setup(conn, status);
1768 }
1769
a9de9248
MH		 1770 hci_dev_unlock(hdev);
1771}
04837f64 1772
a9de9248
MH		 1773static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1774{
1775 struct hci_cp_exit_sniff_mode *cp;
1776 struct hci_conn *conn;
04837f64 1777
9f1db00c 1778 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1779
a9de9248
MH		 1780 if (!status)
1781 return;
04837f64 1782
a9de9248
MH		 1783 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1784 if (!cp)
1785 return;
04837f64 1786
a9de9248 1787 hci_dev_lock(hdev);
1da177e4 1788
a9de9248 1789 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1790 if (conn) {
51a8efd7 1791 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1792
51a8efd7 1793 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1794 hci_sco_setup(conn, status);
1795 }
1796
a9de9248 1797 hci_dev_unlock(hdev);
1da177e4
LT		 1798}
1799
88c3df13
JH		 1800static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1801{
1802 struct hci_cp_disconnect *cp;
1803 struct hci_conn *conn;
1804
1805 if (!status)
1806 return;
1807
1808 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1809 if (!cp)
1810 return;
1811
1812 hci_dev_lock(hdev);
1813
1814 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1815 if (conn)
1816 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1817 conn->dst_type, status);
88c3df13
JH		 1818
1819 hci_dev_unlock(hdev);
1820}
1821
a02226d6
AE		 1822static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1823{
93c284ee
AE		 1824 struct hci_cp_create_phy_link *cp;
1825
a02226d6 1826 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1827
93c284ee
AE		 1828 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1829 if (!cp)
1830 return;
1831
e58917b9
AE		 1832 hci_dev_lock(hdev);
1833
1834 if (status) {
1835 struct hci_conn *hcon;
1836
1837 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1838 if (hcon)
1839 hci_conn_del(hcon);
1840 } else {
1841 amp_write_remote_assoc(hdev, cp->phy_handle);
1842 }
1843
1844 hci_dev_unlock(hdev);
a02226d6
AE		 1845}
1846
0b26ab9d
AE		 1847static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1848{
1849 struct hci_cp_accept_phy_link *cp;
1850
1851 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1852
1853 if (status)
1854 return;
1855
1856 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1857 if (!cp)
1858 return;
1859
1860 amp_write_remote_assoc(hdev, cp->phy_handle);
1861}
1862
cb1d68f7
JH		 1863static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1864{
1865 struct hci_cp_le_create_conn *cp;
1866 struct hci_conn *conn;
1867
1868 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1869
1870 /* All connection failure handling is taken care of by the
1871 * hci_le_conn_failed function which is triggered by the HCI
1872 * request completion callbacks used for connecting.
1873 */
1874 if (status)
1875 return;
1876
1877 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1878 if (!cp)
1879 return;
1880
1881 hci_dev_lock(hdev);
1882
1883 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1884 if (!conn)
1885 goto unlock;
1886
1887 /* Store the initiator and responder address information which
1888 * is needed for SMP. These values will not change during the
1889 * lifetime of the connection.
1890 */
1891 conn->init_addr_type = cp->own_address_type;
1892 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1893 bacpy(&conn->init_addr, &hdev->random_addr);
1894 else
1895 bacpy(&conn->init_addr, &hdev->bdaddr);
1896
1897 conn->resp_addr_type = cp->peer_addr_type;
1898 bacpy(&conn->resp_addr, &cp->peer_addr);
1899
9489eca4
JH		 1900 /* We don't want the connection attempt to stick around
1901 * indefinitely since LE doesn't have a page timeout concept
1902 * like BR/EDR. Set a timer for any connection that doesn't use
1903 * the white list for connecting.
1904 */
1905 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1906 queue_delayed_work(conn->hdev->workqueue,
1907 &conn->le_conn_timeout,
09ae260b 1908 conn->conn_timeout);
9489eca4 1909
cb1d68f7
JH		 1910unlock:
1911 hci_dev_unlock(hdev);
1912}
1913
81d0c8ad
JH		 1914static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1915{
1916 struct hci_cp_le_start_enc *cp;
1917 struct hci_conn *conn;
1918
1919 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1920
1921 if (!status)
1922 return;
1923
1924 hci_dev_lock(hdev);
1925
1926 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1927 if (!cp)
1928 goto unlock;
1929
1930 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1931 if (!conn)
1932 goto unlock;
1933
1934 if (conn->state != BT_CONNECTED)
1935 goto unlock;
1936
1937 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1938 hci_conn_drop(conn);
1939
1940unlock:
1941 hci_dev_unlock(hdev);
1942}
1943
6039aa73 1944static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1945{
1946 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1947 struct discovery_state *discov = &hdev->discovery;
1948 struct inquiry_entry *e;
1da177e4 1949
9f1db00c 1950 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1951
a9de9248 1952 hci_conn_check_pending(hdev);
89352e7d
AG		 1953
1954 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1955 return;
1956
4e857c58 1957 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1958 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1959
a8b2d5c2 1960 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1961 return;
1962
56e5cb86 1963 hci_dev_lock(hdev);
30dc78e1 1964
343f935b 1965 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1966 goto unlock;
1967
1968 if (list_empty(&discov->resolve)) {
1969 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1970 goto unlock;
1971 }
1972
1973 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1974 if (e && hci_resolve_name(hdev, e) == 0) {
1975 e->name_state = NAME_PENDING;
1976 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1977 } else {
1978 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1979 }
1980
1981unlock:
56e5cb86 1982 hci_dev_unlock(hdev);
1da177e4
LT		 1983}
1984
6039aa73 1985static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1986{
45bb4bf0 1987 struct inquiry_data data;
a9de9248 1988 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1989 int num_rsp = *((__u8 *) skb->data);
1990
1991 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1992
45bb4bf0
MH		 1993 if (!num_rsp)
1994 return;
1995
1519cc17
AG		 1996 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1997 return;
1998
1da177e4 1999 hci_dev_lock(hdev);
45bb4bf0 2000
e17acd40 2001 for (; num_rsp; num_rsp--, info++) {
af58925c 2002 u32 flags;
3175405b 2003
1da177e4
LT		 2004 bacpy(&data.bdaddr, &info->bdaddr);
2005 data.pscan_rep_mode = info->pscan_rep_mode;
2006 data.pscan_period_mode = info->pscan_period_mode;
2007 data.pscan_mode = info->pscan_mode;
2008 memcpy(data.dev_class, info->dev_class, 3);
2009 data.clock_offset = info->clock_offset;
2010 data.rssi = 0x00;
41a96212 2011 data.ssp_mode = 0x00;
3175405b 2012
af58925c
MH		 2013 flags = hci_inquiry_cache_update(hdev, &data, false);
2014
48264f06 2015 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2016 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2017 }
45bb4bf0 2018
1da177e4
LT		 2019 hci_dev_unlock(hdev);
2020}
2021
6039aa73 2022static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2023{
a9de9248
MH		 2024 struct hci_ev_conn_complete *ev = (void *) skb->data;
2025 struct hci_conn *conn;
1da177e4
LT		 2026
2027 BT_DBG("%s", hdev->name);
2028
2029 hci_dev_lock(hdev);
2030
2031 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2032 if (!conn) {
2033 if (ev->link_type != SCO_LINK)
2034 goto unlock;
2035
2036 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2037 if (!conn)
2038 goto unlock;
2039
2040 conn->type = SCO_LINK;
2041 }
1da177e4
LT		 2042
2043 if (!ev->status) {
2044 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2045
2046 if (conn->type == ACL_LINK) {
2047 conn->state = BT_CONFIG;
2048 hci_conn_hold(conn);
a9ea3ed9
SJ		 2049
2050 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2051 !hci_find_link_key(hdev, &ev->bdaddr))
2052 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2053 else
2054 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2055 } else
2056 conn->state = BT_CONNECTED;
1da177e4 2057
7d0db0a3
MH		 2058 hci_conn_add_sysfs(conn);
2059
1da177e4 2060 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2061 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2062
2063 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2064 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2065
04837f64
MH		 2066 /* Get remote features */
2067 if (conn->type == ACL_LINK) {
2068 struct hci_cp_read_remote_features cp;
2069 cp.handle = ev->handle;
769be974 2070 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2071 sizeof(cp), &cp);
04837f64
MH		 2072 }
2073
1da177e4 2074 /* Set packet type for incoming connection */
d095c1eb 2075 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2076 struct hci_cp_change_conn_ptype cp;
2077 cp.handle = ev->handle;
a8746417 2078 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2079 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2080 &cp);
1da177e4 2081 }
17d5c04c 2082 } else {
1da177e4 2083 conn->state = BT_CLOSED;
17d5c04c 2084 if (conn->type == ACL_LINK)
64c7b77c 2085 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2086 conn->dst_type, ev->status);
17d5c04c 2087 }
1da177e4 2088
e73439d8
MH		 2089 if (conn->type == ACL_LINK)
2090 hci_sco_setup(conn, ev->status);
1da177e4 2091
769be974
MH		 2092 if (ev->status) {
2093 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2094 hci_conn_del(conn);
c89b6e6b
MH		 2095 } else if (ev->link_type != ACL_LINK)
2096 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2097
a9de9248 2098unlock:
1da177e4 2099 hci_dev_unlock(hdev);
1da177e4 2100
a9de9248 2101 hci_conn_check_pending(hdev);
1da177e4
LT		 2102}
2103
70c46425
JH		 2104static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2105{
2106 struct hci_cp_reject_conn_req cp;
2107
2108 bacpy(&cp.bdaddr, bdaddr);
2109 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2110 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2111}
2112
6039aa73 2113static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2114{
a9de9248
MH		 2115 struct hci_ev_conn_request *ev = (void *) skb->data;
2116 int mask = hdev->link_mode;
70c46425
JH		 2117 struct inquiry_entry *ie;
2118 struct hci_conn *conn;
20714bfe 2119 __u8 flags = 0;
1da177e4 2120
6ed93dc6 2121 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2122 ev->link_type);
1da177e4 2123
20714bfe
FD		 2124 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2125 &flags);
1da177e4 2126
70c46425
JH		 2127 if (!(mask & HCI_LM_ACCEPT)) {
2128 hci_reject_conn(hdev, &ev->bdaddr);
2129 return;
2130 }
2131
a55bd29d
JH		 2132 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
2133 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2134 BDADDR_BREDR)) {
2135 hci_reject_conn(hdev, &ev->bdaddr);
2136 return;
2137 }
2138 } else {
2139 if (!hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2140 BDADDR_BREDR)) {
2141 hci_reject_conn(hdev, &ev->bdaddr);
2142 return;
2143 }
70c46425 2144 }
1da177e4 2145
70c46425 2146 /* Connection accepted */
b6a0dc82 2147
70c46425
JH		 2148 hci_dev_lock(hdev);
2149
2150 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2151 if (ie)
2152 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2153
70c46425
JH		 2154 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2155 &ev->bdaddr);
2156 if (!conn) {
a5c4e309
JH		 2157 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2158 HCI_ROLE_SLAVE);
a9de9248 2159 if (!conn) {
70c46425
JH		 2160 BT_ERR("No memory for new connection");
2161 hci_dev_unlock(hdev);
2162 return;
1da177e4 2163 }
70c46425 2164 }
b6a0dc82 2165
70c46425 2166 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2167
70c46425 2168 hci_dev_unlock(hdev);
1da177e4 2169
70c46425
JH		 2170 if (ev->link_type == ACL_LINK ||
2171 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2172 struct hci_cp_accept_conn_req cp;
2173 conn->state = BT_CONNECT;
1da177e4 2174
70c46425 2175 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2176
70c46425
JH		 2177 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2178 cp.role = 0x00; /* Become master */
2179 else
2180 cp.role = 0x01; /* Remain slave */
b6a0dc82 2181
70c46425
JH		 2182 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2183 } else if (!(flags & HCI_PROTO_DEFER)) {
2184 struct hci_cp_accept_sync_conn_req cp;
2185 conn->state = BT_CONNECT;
b6a0dc82 2186
70c46425
JH		 2187 bacpy(&cp.bdaddr, &ev->bdaddr);
2188 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2189
70c46425
JH		 2190 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2191 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2192 cp.max_latency = cpu_to_le16(0xffff);
2193 cp.content_format = cpu_to_le16(hdev->voice_setting);
2194 cp.retrans_effort = 0xff;
1da177e4 2195
70c46425
JH		 2196 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2197 &cp);
a9de9248 2198 } else {
70c46425
JH		 2199 conn->state = BT_CONNECT2;
2200 hci_proto_connect_cfm(conn, 0);
1da177e4 2201 }
1da177e4
LT		 2202}
2203
f0d6a0ea
MA		 2204static u8 hci_to_mgmt_reason(u8 err)
2205{
2206 switch (err) {
2207 case HCI_ERROR_CONNECTION_TIMEOUT:
2208 return MGMT_DEV_DISCONN_TIMEOUT;
2209 case HCI_ERROR_REMOTE_USER_TERM:
2210 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2211 case HCI_ERROR_REMOTE_POWER_OFF:
2212 return MGMT_DEV_DISCONN_REMOTE;
2213 case HCI_ERROR_LOCAL_HOST_TERM:
2214 return MGMT_DEV_DISCONN_LOCAL_HOST;
2215 default:
2216 return MGMT_DEV_DISCONN_UNKNOWN;
2217 }
2218}
2219
6039aa73 2220static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2221{
a9de9248 2222 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2223 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2224 struct hci_conn_params *params;
04837f64 2225 struct hci_conn *conn;
12d4a3b2 2226 bool mgmt_connected;
3846220b 2227 u8 type;
04837f64 2228
9f1db00c 2229 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2230
2231 hci_dev_lock(hdev);
2232
2233 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2234 if (!conn)
2235 goto unlock;
7d0db0a3 2236
abf54a50
AG		 2237 if (ev->status) {
2238 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2239 conn->dst_type, ev->status);
2240 goto unlock;
37d9ef76 2241 }
f7520543 2242
3846220b
AG		 2243 conn->state = BT_CLOSED;
2244
12d4a3b2
JH		 2245 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2246 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2247 reason, mgmt_connected);
abf54a50 2248
af6a9c32
JH		 2249 if (conn->type == ACL_LINK &&
2250 test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
3846220b 2251 hci_remove_link_key(hdev, &conn->dst);
2210246c 2252
9fcb18ef
AG		 2253 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2254 if (params) {
2255 switch (params->auto_connect) {
2256 case HCI_AUTO_CONN_LINK_LOSS:
2257 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2258 break;
2259 /* Fall through */
2260
2261 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2262 list_del_init(&params->action);
2263 list_add(&params->action, &hdev->pend_le_conns);
2264 hci_update_background_scan(hdev);
9fcb18ef
AG		 2265 break;
2266
2267 default:
2268 break;
2269 }
2270 }
2271
3846220b 2272 type = conn->type;
2210246c 2273
3846220b
AG		 2274 hci_proto_disconn_cfm(conn, ev->reason);
2275 hci_conn_del(conn);
2276
2277 /* Re-enable advertising if necessary, since it might
2278 * have been disabled by the connection. From the
2279 * HCI_LE_Set_Advertise_Enable command description in
2280 * the core specification (v4.0):
2281 * "The Controller shall continue advertising until the Host
2282 * issues an LE_Set_Advertise_Enable command with
2283 * Advertising_Enable set to 0x00 (Advertising is disabled)
2284 * or until a connection is created or until the Advertising
2285 * is timed out due to Directed Advertising."
2286 */
2287 if (type == LE_LINK)
2288 mgmt_reenable_advertising(hdev);
f7520543
JH		 2289
2290unlock:
04837f64
MH		 2291 hci_dev_unlock(hdev);
2292}
2293
6039aa73 2294static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2295{
a9de9248 2296 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2297 struct hci_conn *conn;
1da177e4 2298
9f1db00c 2299 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2300
2301 hci_dev_lock(hdev);
2302
04837f64 2303 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2304 if (!conn)
2305 goto unlock;
2306
2307 if (!ev->status) {
aa64a8b5 2308 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2309 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2310 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2311 } else {
4dae2798 2312 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2313 conn->sec_level = conn->pending_sec_level;
2a611692 2314 }
d7556e20 2315 } else {
bab73cb6 2316 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 2317 ev->status);
d7556e20 2318 }
1da177e4 2319
51a8efd7
JH		 2320 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2321 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2322
d7556e20 2323 if (conn->state == BT_CONFIG) {
aa64a8b5 2324 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2325 struct hci_cp_set_conn_encrypt cp;
2326 cp.handle = ev->handle;
2327 cp.encrypt = 0x01;
2328 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2329 &cp);
052b30b0 2330 } else {
d7556e20
WR		 2331 conn->state = BT_CONNECTED;
2332 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2333 hci_conn_drop(conn);
052b30b0 2334 }
d7556e20
WR		 2335 } else {
2336 hci_auth_cfm(conn, ev->status);
052b30b0 2337
d7556e20
WR		 2338 hci_conn_hold(conn);
2339 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2340 hci_conn_drop(conn);
d7556e20
WR		 2341 }
2342
51a8efd7 2343 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2344 if (!ev->status) {
2345 struct hci_cp_set_conn_encrypt cp;
2346 cp.handle = ev->handle;
2347 cp.encrypt = 0x01;
2348 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2349 &cp);
d7556e20 2350 } else {
51a8efd7 2351 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2352 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2353 }
2354 }
2355
d7556e20 2356unlock:
1da177e4
LT		 2357 hci_dev_unlock(hdev);
2358}
2359
6039aa73 2360static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2361{
127178d2
JH		 2362 struct hci_ev_remote_name *ev = (void *) skb->data;
2363 struct hci_conn *conn;
2364
a9de9248 2365 BT_DBG("%s", hdev->name);
1da177e4 2366
a9de9248 2367 hci_conn_check_pending(hdev);
127178d2
JH		 2368
2369 hci_dev_lock(hdev);
2370
b644ba33 2371 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2372
b644ba33
JH		 2373 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2374 goto check_auth;
a88a9652 2375
b644ba33
JH		 2376 if (ev->status == 0)
2377 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2378 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2379 else
2380 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2381
2382check_auth:
79c6c70c
JH		 2383 if (!conn)
2384 goto unlock;
2385
2386 if (!hci_outgoing_auth_needed(hdev, conn))
2387 goto unlock;
2388
51a8efd7 2389 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH		 2390 struct hci_cp_auth_requested cp;
2391 cp.handle = __cpu_to_le16(conn->handle);
2392 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2393 }
2394
79c6c70c 2395unlock:
127178d2 2396 hci_dev_unlock(hdev);
a9de9248
MH		 2397}
2398
6039aa73 2399static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2400{
2401 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2402 struct hci_conn *conn;
2403
9f1db00c 2404 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2405
2406 hci_dev_lock(hdev);
2407
04837f64 2408 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2409 if (!conn)
2410 goto unlock;
1da177e4 2411
dc8357cc
MH		 2412 if (!ev->status) {
2413 if (ev->encrypt) {
2414 /* Encryption implies authentication */
4dae2798
JH		 2415 set_bit(HCI_CONN_AUTH, &conn->flags);
2416 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2417 conn->sec_level = conn->pending_sec_level;
abf76bad 2418
914a6ffe
MH		 2419 /* P-256 authentication key implies FIPS */
2420 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2421 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2422
abf76bad
MH		 2423 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2424 conn->type == LE_LINK)
2425 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2426 } else {
4dae2798 2427 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2428 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2429 }
dc8357cc 2430 }
a7d7723a 2431
dc8357cc 2432 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2433
dc8357cc
MH		 2434 if (ev->status && conn->state == BT_CONNECTED) {
2435 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2436 hci_conn_drop(conn);
2437 goto unlock;
1da177e4
LT		 2438 }
2439
dc8357cc
MH		 2440 if (conn->state == BT_CONFIG) {
2441 if (!ev->status)
2442 conn->state = BT_CONNECTED;
2443
40b552aa
MH		 2444 /* In Secure Connections Only mode, do not allow any
2445 * connections that are not encrypted with AES-CCM
2446 * using a P-256 authenticated combination key.
2447 */
2448 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2449 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2450 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2451 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2452 hci_conn_drop(conn);
2453 goto unlock;
2454 }
2455
dc8357cc
MH		 2456 hci_proto_connect_cfm(conn, ev->status);
2457 hci_conn_drop(conn);
2458 } else
2459 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2460
a7d7723a 2461unlock:
1da177e4
LT		 2462 hci_dev_unlock(hdev);
2463}
2464
6039aa73
GP		 2465static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2466 struct sk_buff *skb)
1da177e4 2467{
a9de9248 2468 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2469 struct hci_conn *conn;
1da177e4 2470
9f1db00c 2471 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2472
2473 hci_dev_lock(hdev);
2474
04837f64 2475 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2476 if (conn) {
2477 if (!ev->status)
4dae2798 2478 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2479
51a8efd7 2480 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2481
2482 hci_key_change_cfm(conn, ev->status);
2483 }
2484
2485 hci_dev_unlock(hdev);
2486}
2487
6039aa73
GP		 2488static void hci_remote_features_evt(struct hci_dev *hdev,
2489 struct sk_buff *skb)
1da177e4 2490{
a9de9248
MH		 2491 struct hci_ev_remote_features *ev = (void *) skb->data;
2492 struct hci_conn *conn;
2493
9f1db00c 2494 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2495
a9de9248
MH		 2496 hci_dev_lock(hdev);
2497
2498 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2499 if (!conn)
2500 goto unlock;
769be974 2501
ccd556fe 2502 if (!ev->status)
cad718ed 2503 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2504
2505 if (conn->state != BT_CONFIG)
2506 goto unlock;
2507
2508 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2509 struct hci_cp_read_remote_ext_features cp;
2510 cp.handle = ev->handle;
2511 cp.page = 0x01;
2512 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2513 sizeof(cp), &cp);
392599b9
JH		 2514 goto unlock;
2515 }
2516
671267bf 2517 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2518 struct hci_cp_remote_name_req cp;
2519 memset(&cp, 0, sizeof(cp));
2520 bacpy(&cp.bdaddr, &conn->dst);
2521 cp.pscan_rep_mode = 0x02;
2522 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2523 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2524 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2525 conn->dst_type, 0, NULL, 0,
2526 conn->dev_class);
392599b9 2527
127178d2 2528 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2529 conn->state = BT_CONNECTED;
2530 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2531 hci_conn_drop(conn);
769be974 2532 }
a9de9248 2533
ccd556fe 2534unlock:
a9de9248 2535 hci_dev_unlock(hdev);
1da177e4
LT		 2536}
2537
6039aa73 2538static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2539{
2540 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2541 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2542 __u16 opcode;
2543
2544 skb_pull(skb, sizeof(*ev));
2545
2546 opcode = __le16_to_cpu(ev->opcode);
2547
2548 switch (opcode) {
2549 case HCI_OP_INQUIRY_CANCEL:
2550 hci_cc_inquiry_cancel(hdev, skb);
2551 break;
2552
4d93483b
AG		 2553 case HCI_OP_PERIODIC_INQ:
2554 hci_cc_periodic_inq(hdev, skb);
2555 break;
2556
a9de9248
MH		 2557 case HCI_OP_EXIT_PERIODIC_INQ:
2558 hci_cc_exit_periodic_inq(hdev, skb);
2559 break;
2560
2561 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2562 hci_cc_remote_name_req_cancel(hdev, skb);
2563 break;
2564
2565 case HCI_OP_ROLE_DISCOVERY:
2566 hci_cc_role_discovery(hdev, skb);
2567 break;
2568
e4e8e37c
MH		 2569 case HCI_OP_READ_LINK_POLICY:
2570 hci_cc_read_link_policy(hdev, skb);
2571 break;
2572
a9de9248
MH		 2573 case HCI_OP_WRITE_LINK_POLICY:
2574 hci_cc_write_link_policy(hdev, skb);
2575 break;
2576
e4e8e37c
MH		 2577 case HCI_OP_READ_DEF_LINK_POLICY:
2578 hci_cc_read_def_link_policy(hdev, skb);
2579 break;
2580
2581 case HCI_OP_WRITE_DEF_LINK_POLICY:
2582 hci_cc_write_def_link_policy(hdev, skb);
2583 break;
2584
a9de9248
MH		 2585 case HCI_OP_RESET:
2586 hci_cc_reset(hdev, skb);
2587 break;
2588
2589 case HCI_OP_WRITE_LOCAL_NAME:
2590 hci_cc_write_local_name(hdev, skb);
2591 break;
2592
2593 case HCI_OP_READ_LOCAL_NAME:
2594 hci_cc_read_local_name(hdev, skb);
2595 break;
2596
2597 case HCI_OP_WRITE_AUTH_ENABLE:
2598 hci_cc_write_auth_enable(hdev, skb);
2599 break;
2600
2601 case HCI_OP_WRITE_ENCRYPT_MODE:
2602 hci_cc_write_encrypt_mode(hdev, skb);
2603 break;
2604
2605 case HCI_OP_WRITE_SCAN_ENABLE:
2606 hci_cc_write_scan_enable(hdev, skb);
2607 break;
2608
2609 case HCI_OP_READ_CLASS_OF_DEV:
2610 hci_cc_read_class_of_dev(hdev, skb);
2611 break;
2612
2613 case HCI_OP_WRITE_CLASS_OF_DEV:
2614 hci_cc_write_class_of_dev(hdev, skb);
2615 break;
2616
2617 case HCI_OP_READ_VOICE_SETTING:
2618 hci_cc_read_voice_setting(hdev, skb);
2619 break;
2620
2621 case HCI_OP_WRITE_VOICE_SETTING:
2622 hci_cc_write_voice_setting(hdev, skb);
2623 break;
2624
b4cb9fb2
MH		 2625 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2626 hci_cc_read_num_supported_iac(hdev, skb);
2627 break;
2628
333140b5
MH		 2629 case HCI_OP_WRITE_SSP_MODE:
2630 hci_cc_write_ssp_mode(hdev, skb);
2631 break;
2632
eac83dc6
MH		 2633 case HCI_OP_WRITE_SC_SUPPORT:
2634 hci_cc_write_sc_support(hdev, skb);
2635 break;
2636
a9de9248
MH		 2637 case HCI_OP_READ_LOCAL_VERSION:
2638 hci_cc_read_local_version(hdev, skb);
2639 break;
2640
2641 case HCI_OP_READ_LOCAL_COMMANDS:
2642 hci_cc_read_local_commands(hdev, skb);
2643 break;
2644
2645 case HCI_OP_READ_LOCAL_FEATURES:
2646 hci_cc_read_local_features(hdev, skb);
2647 break;
2648
971e3a4b
AG		 2649 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2650 hci_cc_read_local_ext_features(hdev, skb);
2651 break;
2652
a9de9248
MH		 2653 case HCI_OP_READ_BUFFER_SIZE:
2654 hci_cc_read_buffer_size(hdev, skb);
2655 break;
2656
2657 case HCI_OP_READ_BD_ADDR:
2658 hci_cc_read_bd_addr(hdev, skb);
2659 break;
2660
f332ec66
JH		 2661 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2662 hci_cc_read_page_scan_activity(hdev, skb);
2663 break;
2664
4a3ee763
JH		 2665 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2666 hci_cc_write_page_scan_activity(hdev, skb);
2667 break;
2668
f332ec66
JH		 2669 case HCI_OP_READ_PAGE_SCAN_TYPE:
2670 hci_cc_read_page_scan_type(hdev, skb);
2671 break;
2672
4a3ee763
JH		 2673 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2674 hci_cc_write_page_scan_type(hdev, skb);
2675 break;
2676
350ee4cf
AE		 2677 case HCI_OP_READ_DATA_BLOCK_SIZE:
2678 hci_cc_read_data_block_size(hdev, skb);
2679 break;
2680
1e89cffb
AE		 2681 case HCI_OP_READ_FLOW_CONTROL_MODE:
2682 hci_cc_read_flow_control_mode(hdev, skb);
2683 break;
2684
928abaa7
AE		 2685 case HCI_OP_READ_LOCAL_AMP_INFO:
2686 hci_cc_read_local_amp_info(hdev, skb);
2687 break;
2688
33f35721
JH		 2689 case HCI_OP_READ_CLOCK:
2690 hci_cc_read_clock(hdev, skb);
2691 break;
2692
903e4541
AE		 2693 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2694 hci_cc_read_local_amp_assoc(hdev, skb);
2695 break;
2696
d5859e22
JH		 2697 case HCI_OP_READ_INQ_RSP_TX_POWER:
2698 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2699 break;
2700
980e1a53
JH		 2701 case HCI_OP_PIN_CODE_REPLY:
2702 hci_cc_pin_code_reply(hdev, skb);
2703 break;
2704
2705 case HCI_OP_PIN_CODE_NEG_REPLY:
2706 hci_cc_pin_code_neg_reply(hdev, skb);
2707 break;
2708
c35938b2 2709 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2710 hci_cc_read_local_oob_data(hdev, skb);
2711 break;
2712
2713 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2714 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2715 break;
2716
6ed58ec5
VT		 2717 case HCI_OP_LE_READ_BUFFER_SIZE:
2718 hci_cc_le_read_buffer_size(hdev, skb);
2719 break;
2720
60e77321
JH		 2721 case HCI_OP_LE_READ_LOCAL_FEATURES:
2722 hci_cc_le_read_local_features(hdev, skb);
2723 break;
2724
8fa19098
JH		 2725 case HCI_OP_LE_READ_ADV_TX_POWER:
2726 hci_cc_le_read_adv_tx_power(hdev, skb);
2727 break;
2728
a5c29683
JH		 2729 case HCI_OP_USER_CONFIRM_REPLY:
2730 hci_cc_user_confirm_reply(hdev, skb);
2731 break;
2732
2733 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2734 hci_cc_user_confirm_neg_reply(hdev, skb);
2735 break;
2736
1143d458
BG		 2737 case HCI_OP_USER_PASSKEY_REPLY:
2738 hci_cc_user_passkey_reply(hdev, skb);
2739 break;
2740
2741 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2742 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2743 break;
07f7fa5d 2744
7a4cd51d
MH		 2745 case HCI_OP_LE_SET_RANDOM_ADDR:
2746 hci_cc_le_set_random_addr(hdev, skb);
2747 break;
2748
c1d5dc4a
JH		 2749 case HCI_OP_LE_SET_ADV_ENABLE:
2750 hci_cc_le_set_adv_enable(hdev, skb);
2751 break;
2752
533553f8
MH		 2753 case HCI_OP_LE_SET_SCAN_PARAM:
2754 hci_cc_le_set_scan_param(hdev, skb);
2755 break;
2756
eb9d91f5
AG		 2757 case HCI_OP_LE_SET_SCAN_ENABLE:
2758 hci_cc_le_set_scan_enable(hdev, skb);
2759 break;
2760
cf1d081f
JH		 2761 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2762 hci_cc_le_read_white_list_size(hdev, skb);
2763 break;
2764
0f36b589
MH		 2765 case HCI_OP_LE_CLEAR_WHITE_LIST:
2766 hci_cc_le_clear_white_list(hdev, skb);
2767 break;
2768
2769 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2770 hci_cc_le_add_to_white_list(hdev, skb);
2771 break;
2772
2773 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2774 hci_cc_le_del_from_white_list(hdev, skb);
2775 break;
2776
9b008c04
JH		 2777 case HCI_OP_LE_READ_SUPPORTED_STATES:
2778 hci_cc_le_read_supported_states(hdev, skb);
2779 break;
2780
f9b49306
AG		 2781 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2782 hci_cc_write_le_host_supported(hdev, skb);
2783 break;
2784
56ed2cb8
JH		 2785 case HCI_OP_LE_SET_ADV_PARAM:
2786 hci_cc_set_adv_param(hdev, skb);
2787 break;
2788
93c284ee
AE		 2789 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2790 hci_cc_write_remote_amp_assoc(hdev, skb);
2791 break;
2792
5ae76a94
AK		 2793 case HCI_OP_READ_RSSI:
2794 hci_cc_read_rssi(hdev, skb);
2795 break;
2796
5a134fae
AK		 2797 case HCI_OP_READ_TX_POWER:
2798 hci_cc_read_tx_power(hdev, skb);
2799 break;
2800
a9de9248 2801 default:
9f1db00c 2802 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2803 break;
2804 }
2805
ad82cdd1 2806 if (opcode != HCI_OP_NOP)
65cc2b49 2807 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2808
ad82cdd1 2809 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2810
dbccd791 2811 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2812 atomic_set(&hdev->cmd_cnt, 1);
2813 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2814 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2815 }
2816}
2817
6039aa73 2818static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2819{
2820 struct hci_ev_cmd_status *ev = (void *) skb->data;
2821 __u16 opcode;
2822
2823 skb_pull(skb, sizeof(*ev));
2824
2825 opcode = __le16_to_cpu(ev->opcode);
2826
2827 switch (opcode) {
2828 case HCI_OP_INQUIRY:
2829 hci_cs_inquiry(hdev, ev->status);
2830 break;
2831
2832 case HCI_OP_CREATE_CONN:
2833 hci_cs_create_conn(hdev, ev->status);
2834 break;
2835
2836 case HCI_OP_ADD_SCO:
2837 hci_cs_add_sco(hdev, ev->status);
2838 break;
2839
f8558555
MH		 2840 case HCI_OP_AUTH_REQUESTED:
2841 hci_cs_auth_requested(hdev, ev->status);
2842 break;
2843
2844 case HCI_OP_SET_CONN_ENCRYPT:
2845 hci_cs_set_conn_encrypt(hdev, ev->status);
2846 break;
2847
a9de9248
MH		 2848 case HCI_OP_REMOTE_NAME_REQ:
2849 hci_cs_remote_name_req(hdev, ev->status);
2850 break;
2851
769be974
MH		 2852 case HCI_OP_READ_REMOTE_FEATURES:
2853 hci_cs_read_remote_features(hdev, ev->status);
2854 break;
2855
2856 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2857 hci_cs_read_remote_ext_features(hdev, ev->status);
2858 break;
2859
a9de9248
MH		 2860 case HCI_OP_SETUP_SYNC_CONN:
2861 hci_cs_setup_sync_conn(hdev, ev->status);
2862 break;
2863
2864 case HCI_OP_SNIFF_MODE:
2865 hci_cs_sniff_mode(hdev, ev->status);
2866 break;
2867
2868 case HCI_OP_EXIT_SNIFF_MODE:
2869 hci_cs_exit_sniff_mode(hdev, ev->status);
2870 break;
2871
8962ee74 2872 case HCI_OP_DISCONNECT:
88c3df13 2873 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2874 break;
2875
a02226d6
AE		 2876 case HCI_OP_CREATE_PHY_LINK:
2877 hci_cs_create_phylink(hdev, ev->status);
2878 break;
2879
0b26ab9d
AE		 2880 case HCI_OP_ACCEPT_PHY_LINK:
2881 hci_cs_accept_phylink(hdev, ev->status);
2882 break;
2883
cb1d68f7
JH		 2884 case HCI_OP_LE_CREATE_CONN:
2885 hci_cs_le_create_conn(hdev, ev->status);
2886 break;
2887
81d0c8ad
JH		 2888 case HCI_OP_LE_START_ENC:
2889 hci_cs_le_start_enc(hdev, ev->status);
2890 break;
2891
a9de9248 2892 default:
9f1db00c 2893 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2894 break;
2895 }
2896
ad82cdd1 2897 if (opcode != HCI_OP_NOP)
65cc2b49 2898 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2899
02350a72
JH		 2900 if (ev->status ||
2901 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2902 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2903
10572132 2904 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2905 atomic_set(&hdev->cmd_cnt, 1);
2906 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2907 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2908 }
2909}
2910
6039aa73 2911static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2912{
2913 struct hci_ev_role_change *ev = (void *) skb->data;
2914 struct hci_conn *conn;
2915
9f1db00c 2916 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2917
2918 hci_dev_lock(hdev);
2919
2920 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2921 if (conn) {
40bef302
JH		 2922 if (!ev->status)
2923 conn->role = ev->role;
a9de9248 2924
51a8efd7 2925 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2926
2927 hci_role_switch_cfm(conn, ev->status, ev->role);
2928 }
2929
2930 hci_dev_unlock(hdev);
2931}
2932
6039aa73 2933static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2934{
2935 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2936 int i;
2937
32ac5b9b
AE		 2938 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2939 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2940 return;
2941 }
2942
c5993de8 2943 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2944 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2945 BT_DBG("%s bad parameters", hdev->name);
2946 return;
2947 }
2948
c5993de8
AE		 2949 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2950
613a1c0c
AE		 2951 for (i = 0; i < ev->num_hndl; i++) {
2952 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2953 struct hci_conn *conn;
2954 __u16 handle, count;
2955
613a1c0c
AE		 2956 handle = __le16_to_cpu(info->handle);
2957 count = __le16_to_cpu(info->count);
a9de9248
MH		 2958
2959 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2960 if (!conn)
2961 continue;
2962
2963 conn->sent -= count;
2964
2965 switch (conn->type) {
2966 case ACL_LINK:
2967 hdev->acl_cnt += count;
2968 if (hdev->acl_cnt > hdev->acl_pkts)
2969 hdev->acl_cnt = hdev->acl_pkts;
2970 break;
2971
2972 case LE_LINK:
2973 if (hdev->le_pkts) {
2974 hdev->le_cnt += count;
2975 if (hdev->le_cnt > hdev->le_pkts)
2976 hdev->le_cnt = hdev->le_pkts;
2977 } else {
70f23020
AE		 2978 hdev->acl_cnt += count;
2979 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2980 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2981 }
f4280918
AE		 2982 break;
2983
2984 case SCO_LINK:
2985 hdev->sco_cnt += count;
2986 if (hdev->sco_cnt > hdev->sco_pkts)
2987 hdev->sco_cnt = hdev->sco_pkts;
2988 break;
2989
2990 default:
2991 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2992 break;
a9de9248
MH		 2993 }
2994 }
2995
3eff45ea 2996 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 2997}
2998
76ef7cf7
AE		 2999static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3000 __u16 handle)
3001{
3002 struct hci_chan *chan;
3003
3004 switch (hdev->dev_type) {
3005 case HCI_BREDR:
3006 return hci_conn_hash_lookup_handle(hdev, handle);
3007 case HCI_AMP:
3008 chan = hci_chan_lookup_handle(hdev, handle);
3009 if (chan)
3010 return chan->conn;
3011 break;
3012 default:
3013 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3014 break;
3015 }
3016
3017 return NULL;
3018}
3019
6039aa73 3020static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3021{
3022 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3023 int i;
3024
3025 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3026 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3027 return;
3028 }
3029
3030 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3031 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3032 BT_DBG("%s bad parameters", hdev->name);
3033 return;
3034 }
3035
3036 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3037 ev->num_hndl);
25e89e99
AE		 3038
3039 for (i = 0; i < ev->num_hndl; i++) {
3040 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3041 struct hci_conn *conn = NULL;
25e89e99
AE		 3042 __u16 handle, block_count;
3043
3044 handle = __le16_to_cpu(info->handle);
3045 block_count = __le16_to_cpu(info->blocks);
3046
76ef7cf7 3047 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3048 if (!conn)
3049 continue;
3050
3051 conn->sent -= block_count;
3052
3053 switch (conn->type) {
3054 case ACL_LINK:
bd1eb66b 3055 case AMP_LINK:
25e89e99
AE		 3056 hdev->block_cnt += block_count;
3057 if (hdev->block_cnt > hdev->num_blocks)
3058 hdev->block_cnt = hdev->num_blocks;
3059 break;
3060
3061 default:
3062 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3063 break;
3064 }
3065 }
3066
3067 queue_work(hdev->workqueue, &hdev->tx_work);
3068}
3069
6039aa73 3070static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3071{
a9de9248 3072 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3073 struct hci_conn *conn;
3074
9f1db00c 3075 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3076
3077 hci_dev_lock(hdev);
3078
3079 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3080 if (conn) {
3081 conn->mode = ev->mode;
a9de9248 3082
8fc9ced3
GP		 3083 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3084 &conn->flags)) {
a9de9248 3085 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3086 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3087 else
58a681ef 3088 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3089 }
e73439d8 3090
51a8efd7 3091 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3092 hci_sco_setup(conn, ev->status);
04837f64
MH		 3093 }
3094
3095 hci_dev_unlock(hdev);
3096}
3097
6039aa73 3098static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3099{
052b30b0
MH		 3100 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3101 struct hci_conn *conn;
3102
a9de9248 3103 BT_DBG("%s", hdev->name);
052b30b0
MH		 3104
3105 hci_dev_lock(hdev);
3106
3107 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3108 if (!conn)
3109 goto unlock;
3110
3111 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3112 hci_conn_hold(conn);
3113 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3114 hci_conn_drop(conn);
052b30b0
MH		 3115 }
3116
a8b2d5c2 3117 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 3118 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3119 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 3120 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3121 u8 secure;
3122
3123 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3124 secure = 1;
3125 else
3126 secure = 0;
3127
744cf19e 3128 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3129 }
980e1a53 3130
b6f98044 3131unlock:
052b30b0 3132 hci_dev_unlock(hdev);
a9de9248
MH		 3133}
3134
6039aa73 3135static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3136{
55ed8ca1
JH		 3137 struct hci_ev_link_key_req *ev = (void *) skb->data;
3138 struct hci_cp_link_key_reply cp;
3139 struct hci_conn *conn;
3140 struct link_key *key;
3141
a9de9248 3142 BT_DBG("%s", hdev->name);
55ed8ca1 3143
034cbea0 3144 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3145 return;
3146
3147 hci_dev_lock(hdev);
3148
3149 key = hci_find_link_key(hdev, &ev->bdaddr);
3150 if (!key) {
6ed93dc6
AE		 3151 BT_DBG("%s link key not found for %pMR", hdev->name,
3152 &ev->bdaddr);
55ed8ca1
JH		 3153 goto not_found;
3154 }
3155
6ed93dc6
AE		 3156 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3157 &ev->bdaddr);
55ed8ca1 3158
55ed8ca1 3159 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3160 if (conn) {
66138ce8
MH		 3161 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3162 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3163 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3164 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3165 goto not_found;
3166 }
55ed8ca1 3167
60b83f57 3168 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3169 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3170 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3171 BT_DBG("%s ignoring key unauthenticated for high security",
3172 hdev->name);
60b83f57
WR		 3173 goto not_found;
3174 }
3175
3176 conn->key_type = key->type;
3177 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3178 }
3179
3180 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3181 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3182
3183 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3184
3185 hci_dev_unlock(hdev);
3186
3187 return;
3188
3189not_found:
3190 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3191 hci_dev_unlock(hdev);
a9de9248
MH		 3192}
3193
6039aa73 3194static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3195{
052b30b0
MH		 3196 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3197 struct hci_conn *conn;
7652ff6a
JH		 3198 struct link_key *key;
3199 bool persistent;
55ed8ca1 3200 u8 pin_len = 0;
052b30b0 3201
a9de9248 3202 BT_DBG("%s", hdev->name);
052b30b0
MH		 3203
3204 hci_dev_lock(hdev);
3205
3206 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3207 if (conn) {
3208 hci_conn_hold(conn);
3209 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3210 pin_len = conn->pin_length;
13d39315
WR		 3211
3212 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3213 conn->key_type = ev->key_type;
3214
76a68ba0 3215 hci_conn_drop(conn);
052b30b0
MH		 3216 }
3217
7652ff6a
JH		 3218 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3219 goto unlock;
3220
3221 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3222 ev->key_type, pin_len, &persistent);
3223 if (!key)
3224 goto unlock;
3225
3226 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3227
6d5650c4
JH		 3228 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3229 * is set. If it's not set simply remove the key from the kernel
3230 * list (we've still notified user space about it but with
3231 * store_hint being 0).
3232 */
3233 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3234 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3235 list_del(&key->list);
3236 kfree(key);
3237 } else if (conn) {
af6a9c32
JH		 3238 if (persistent)
3239 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3240 else
3241 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3242 }
7652ff6a
JH		 3243
3244unlock:
052b30b0 3245 hci_dev_unlock(hdev);
a9de9248
MH		 3246}
3247
6039aa73 3248static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3249{
a9de9248 3250 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3251 struct hci_conn *conn;
1da177e4 3252
9f1db00c 3253 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3254
3255 hci_dev_lock(hdev);
3256
04837f64 3257 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3258 if (conn && !ev->status) {
3259 struct inquiry_entry *ie;
3260
cc11b9c1
AE		 3261 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3262 if (ie) {
1da177e4
LT		 3263 ie->data.clock_offset = ev->clock_offset;
3264 ie->timestamp = jiffies;
3265 }
3266 }
3267
3268 hci_dev_unlock(hdev);
3269}
3270
6039aa73 3271static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3272{
3273 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3274 struct hci_conn *conn;
3275
9f1db00c 3276 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3277
3278 hci_dev_lock(hdev);
3279
3280 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3281 if (conn && !ev->status)
3282 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3283
3284 hci_dev_unlock(hdev);
3285}
3286
6039aa73 3287static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3288{
a9de9248 3289 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3290 struct inquiry_entry *ie;
3291
3292 BT_DBG("%s", hdev->name);
3293
3294 hci_dev_lock(hdev);
3295
cc11b9c1
AE		 3296 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3297 if (ie) {
85a1e930
MH		 3298 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3299 ie->timestamp = jiffies;
3300 }
3301
3302 hci_dev_unlock(hdev);
3303}
3304
6039aa73
GP		 3305static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3306 struct sk_buff *skb)
a9de9248
MH		 3307{
3308 struct inquiry_data data;
3309 int num_rsp = *((__u8 *) skb->data);
3310
3311 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3312
3313 if (!num_rsp)
3314 return;
3315
1519cc17
AG		 3316 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3317 return;
3318
a9de9248
MH		 3319 hci_dev_lock(hdev);
3320
3321 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3322 struct inquiry_info_with_rssi_and_pscan_mode *info;
3323 info = (void *) (skb->data + 1);
a9de9248 3324
e17acd40 3325 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3326 u32 flags;
3327
a9de9248
MH		 3328 bacpy(&data.bdaddr, &info->bdaddr);
3329 data.pscan_rep_mode = info->pscan_rep_mode;
3330 data.pscan_period_mode = info->pscan_period_mode;
3331 data.pscan_mode = info->pscan_mode;
3332 memcpy(data.dev_class, info->dev_class, 3);
3333 data.clock_offset = info->clock_offset;
3334 data.rssi = info->rssi;
41a96212 3335 data.ssp_mode = 0x00;
3175405b 3336
af58925c
MH		 3337 flags = hci_inquiry_cache_update(hdev, &data, false);
3338
48264f06 3339 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3340 info->dev_class, info->rssi,
af58925c 3341 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3342 }
3343 } else {
3344 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3345
e17acd40 3346 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3347 u32 flags;
3348
a9de9248
MH		 3349 bacpy(&data.bdaddr, &info->bdaddr);
3350 data.pscan_rep_mode = info->pscan_rep_mode;
3351 data.pscan_period_mode = info->pscan_period_mode;
3352 data.pscan_mode = 0x00;
3353 memcpy(data.dev_class, info->dev_class, 3);
3354 data.clock_offset = info->clock_offset;
3355 data.rssi = info->rssi;
41a96212 3356 data.ssp_mode = 0x00;
af58925c
MH		 3357
3358 flags = hci_inquiry_cache_update(hdev, &data, false);
3359
48264f06 3360 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3361 info->dev_class, info->rssi,
af58925c 3362 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3363 }
3364 }
3365
3366 hci_dev_unlock(hdev);
3367}
3368
6039aa73
GP		 3369static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3370 struct sk_buff *skb)
a9de9248 3371{
41a96212
MH		 3372 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3373 struct hci_conn *conn;
3374
a9de9248 3375 BT_DBG("%s", hdev->name);
41a96212 3376
41a96212
MH		 3377 hci_dev_lock(hdev);
3378
3379 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3380 if (!conn)
3381 goto unlock;
41a96212 3382
cad718ed
JH		 3383 if (ev->page < HCI_MAX_PAGES)
3384 memcpy(conn->features[ev->page], ev->features, 8);
3385
ccd556fe
JH		 3386 if (!ev->status && ev->page == 0x01) {
3387 struct inquiry_entry *ie;
41a96212 3388
cc11b9c1
AE		 3389 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3390 if (ie)
02b7cc62 3391 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3392
bbb0eada 3393 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3394 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3395 } else {
3396 /* It is mandatory by the Bluetooth specification that
3397 * Extended Inquiry Results are only used when Secure
3398 * Simple Pairing is enabled, but some devices violate
3399 * this.
3400 *
3401 * To make these devices work, the internal SSP
3402 * enabled flag needs to be cleared if the remote host
3403 * features do not indicate SSP support */
3404 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3405 }
eb9a8f3f
MH		 3406
3407 if (ev->features[0] & LMP_HOST_SC)
3408 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3409 }
3410
3411 if (conn->state != BT_CONFIG)
3412 goto unlock;
3413
671267bf 3414 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3415 struct hci_cp_remote_name_req cp;
3416 memset(&cp, 0, sizeof(cp));
3417 bacpy(&cp.bdaddr, &conn->dst);
3418 cp.pscan_rep_mode = 0x02;
3419 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3420 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3421 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3422 conn->dst_type, 0, NULL, 0,
3423 conn->dev_class);
392599b9 3424
127178d2 3425 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3426 conn->state = BT_CONNECTED;
3427 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3428 hci_conn_drop(conn);
41a96212
MH		 3429 }
3430
ccd556fe 3431unlock:
41a96212 3432 hci_dev_unlock(hdev);
a9de9248
MH		 3433}
3434
6039aa73
GP		 3435static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3436 struct sk_buff *skb)
a9de9248 3437{
b6a0dc82
MH		 3438 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3439 struct hci_conn *conn;
3440
9f1db00c 3441 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3442
3443 hci_dev_lock(hdev);
3444
3445 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3446 if (!conn) {
3447 if (ev->link_type == ESCO_LINK)
3448 goto unlock;
3449
3450 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3451 if (!conn)
3452 goto unlock;
3453
3454 conn->type = SCO_LINK;
3455 }
b6a0dc82 3456
732547f9
MH		 3457 switch (ev->status) {
3458 case 0x00:
b6a0dc82
MH		 3459 conn->handle = __le16_to_cpu(ev->handle);
3460 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3461
3462 hci_conn_add_sysfs(conn);
732547f9
MH		 3463 break;
3464
81218d20 3465 case 0x10: /* Connection Accept Timeout */
1a4c958c 3466 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3467 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3468 case 0x1c: /* SCO interval rejected */
1038a00b 3469 case 0x1a: /* Unsupported Remote Feature */
732547f9 3470 case 0x1f: /* Unspecified error */
27539bc4 3471 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3472 if (conn->out) {
732547f9
MH		 3473 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3474 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3475 if (hci_setup_sync(conn, conn->link->handle))
3476 goto unlock;
732547f9
MH		 3477 }
3478 /* fall through */
3479
3480 default:
b6a0dc82 3481 conn->state = BT_CLOSED;
732547f9
MH		 3482 break;
3483 }
b6a0dc82
MH		 3484
3485 hci_proto_connect_cfm(conn, ev->status);
3486 if (ev->status)
3487 hci_conn_del(conn);
3488
3489unlock:
3490 hci_dev_unlock(hdev);
a9de9248
MH		 3491}
3492
efdcf8e3
MH		 3493static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3494{
3495 size_t parsed = 0;
3496
3497 while (parsed < eir_len) {
3498 u8 field_len = eir[0];
3499
3500 if (field_len == 0)
3501 return parsed;
3502
3503 parsed += field_len + 1;
3504 eir += field_len + 1;
3505 }
3506
3507 return eir_len;
3508}
3509
6039aa73
GP		 3510static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3511 struct sk_buff *skb)
1da177e4 3512{
a9de9248
MH		 3513 struct inquiry_data data;
3514 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3515 int num_rsp = *((__u8 *) skb->data);
9d939d94 3516 size_t eir_len;
1da177e4 3517
a9de9248 3518 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3519
a9de9248
MH		 3520 if (!num_rsp)
3521 return;
1da177e4 3522
1519cc17
AG		 3523 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3524 return;
3525
a9de9248
MH		 3526 hci_dev_lock(hdev);
3527
e17acd40 3528 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3529 u32 flags;
3530 bool name_known;
561aafbc 3531
a9de9248 3532 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3533 data.pscan_rep_mode = info->pscan_rep_mode;
3534 data.pscan_period_mode = info->pscan_period_mode;
3535 data.pscan_mode = 0x00;
a9de9248 3536 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3537 data.clock_offset = info->clock_offset;
3538 data.rssi = info->rssi;
41a96212 3539 data.ssp_mode = 0x01;
561aafbc 3540
a8b2d5c2 3541 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3542 name_known = eir_has_data_type(info->data,
04124681
GP		 3543 sizeof(info->data),
3544 EIR_NAME_COMPLETE);
561aafbc
JH		 3545 else
3546 name_known = true;
3547
af58925c
MH		 3548 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3549
9d939d94 3550 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3551
48264f06 3552 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3553 info->dev_class, info->rssi,
3554 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3555 }
3556
3557 hci_dev_unlock(hdev);
3558}
1da177e4 3559
1c2e0041
JH		 3560static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3561 struct sk_buff *skb)
3562{
3563 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3564 struct hci_conn *conn;
3565
9f1db00c 3566 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3567 __le16_to_cpu(ev->handle));
3568
3569 hci_dev_lock(hdev);
3570
3571 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3572 if (!conn)
3573 goto unlock;
3574
9eb1fbfa
JH		 3575 /* For BR/EDR the necessary steps are taken through the
3576 * auth_complete event.
3577 */
3578 if (conn->type != LE_LINK)
3579 goto unlock;
3580
1c2e0041
JH		 3581 if (!ev->status)
3582 conn->sec_level = conn->pending_sec_level;
3583
3584 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3585
3586 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3587 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3588 hci_conn_drop(conn);
1c2e0041
JH		 3589 goto unlock;
3590 }
3591
3592 if (conn->state == BT_CONFIG) {
3593 if (!ev->status)
3594 conn->state = BT_CONNECTED;
3595
3596 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3597 hci_conn_drop(conn);
1c2e0041
JH		 3598 } else {
3599 hci_auth_cfm(conn, ev->status);
3600
3601 hci_conn_hold(conn);
3602 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3603 hci_conn_drop(conn);
1c2e0041
JH		 3604 }
3605
3606unlock:
3607 hci_dev_unlock(hdev);
3608}
3609
6039aa73 3610static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3611{
17fa4b9d 3612 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3613 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3614 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3615 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3616
b7f94c88
MA		 3617 /* If both remote and local have enough IO capabilities, require
3618 * MITM protection
3619 */
3620 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3621 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3622 return conn->remote_auth | 0x01;
3623
7e74170a
TM		 3624 /* No MITM protection possible so ignore remote requirement */
3625 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3626}
3627
6039aa73 3628static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3629{
3630 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3631 struct hci_conn *conn;
3632
3633 BT_DBG("%s", hdev->name);
3634
3635 hci_dev_lock(hdev);
3636
3637 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3638 if (!conn)
3639 goto unlock;
3640
3641 hci_conn_hold(conn);
3642
a8b2d5c2 3643 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3644 goto unlock;
3645
a8b2d5c2 3646 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3647 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3648 struct hci_cp_io_capability_reply cp;
3649
3650 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3651 /* Change the IO capability from KeyboardDisplay
3652 * to DisplayYesNo as it is not supported by BT spec. */
3653 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3654 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3655
3656 /* If we are initiators, there is no remote information yet */
3657 if (conn->remote_auth == 0xff) {
b16c6604 3658 /* Request MITM protection if our IO caps allow it
4ad51a75 3659 * except for the no-bonding case.
b16c6604 3660 */
6fd6b915 3661 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
b16c6604 3662 cp.authentication != HCI_AT_NO_BONDING)
6c53823a
JH		 3663 conn->auth_type |= 0x01;
3664
3665 cp.authentication = conn->auth_type;
b7f94c88
MA		 3666 } else {
3667 conn->auth_type = hci_get_auth_req(conn);
3668 cp.authentication = conn->auth_type;
3669 }
17fa4b9d 3670
8fc9ced3
GP		 3671 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3672 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3673 cp.oob_data = 0x01;
3674 else
3675 cp.oob_data = 0x00;
3676
17fa4b9d 3677 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3678 sizeof(cp), &cp);
03b555e1
JH		 3679 } else {
3680 struct hci_cp_io_capability_neg_reply cp;
3681
3682 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3683 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3684
03b555e1 3685 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3686 sizeof(cp), &cp);
03b555e1
JH		 3687 }
3688
3689unlock:
3690 hci_dev_unlock(hdev);
3691}
3692
6039aa73 3693static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3694{
3695 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3696 struct hci_conn *conn;
3697
3698 BT_DBG("%s", hdev->name);
3699
3700 hci_dev_lock(hdev);
3701
3702 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3703 if (!conn)
3704 goto unlock;
3705
03b555e1 3706 conn->remote_cap = ev->capability;
03b555e1 3707 conn->remote_auth = ev->authentication;
58a681ef
JH		 3708 if (ev->oob_data)
3709 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3710
3711unlock:
0493684e
MH		 3712 hci_dev_unlock(hdev);
3713}
3714
6039aa73
GP		 3715static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3716 struct sk_buff *skb)
a5c29683
JH		 3717{
3718 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3719 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3720 struct hci_conn *conn;
a5c29683
JH		 3721
3722 BT_DBG("%s", hdev->name);
3723
3724 hci_dev_lock(hdev);
3725
a8b2d5c2 3726 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3727 goto unlock;
a5c29683 3728
7a828908
JH		 3729 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3730 if (!conn)
3731 goto unlock;
3732
3733 loc_mitm = (conn->auth_type & 0x01);
3734 rem_mitm = (conn->remote_auth & 0x01);
3735
3736 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3737 * (it has NoInputNoOutput) then reject the confirmation
3738 * request. We check the security level here since it doesn't
3739 * necessarily match conn->auth_type.
6fd6b915 3740 */
6c53823a
JH		 3741 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3742 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3743 BT_DBG("Rejecting request: remote device can't provide MITM");
3744 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3745 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3746 goto unlock;
3747 }
3748
3749 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3750 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3751 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3752
3753 /* If we're not the initiators request authorization to
3754 * proceed from user space (mgmt_user_confirm with
ba15a58b
JH		 3755 * confirm_hint set to 1). The exception is if neither
3756 * side had MITM in which case we do auto-accept.
3757 */
3758 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
3759 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3760 BT_DBG("Confirming auto-accept as acceptor");
3761 confirm_hint = 1;
3762 goto confirm;
3763 }
3764
9f61656a 3765 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3766 hdev->auto_accept_delay);
9f61656a
JH		 3767
3768 if (hdev->auto_accept_delay > 0) {
3769 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3770 queue_delayed_work(conn->hdev->workqueue,
3771 &conn->auto_accept_work, delay);
9f61656a
JH		 3772 goto unlock;
3773 }
3774
7a828908 3775 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3776 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3777 goto unlock;
3778 }
3779
55bc1a37 3780confirm:
39adbffe
JH		 3781 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3782 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3783
3784unlock:
a5c29683
JH		 3785 hci_dev_unlock(hdev);
3786}
3787
6039aa73
GP		 3788static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3789 struct sk_buff *skb)
1143d458
BG		 3790{
3791 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3792
3793 BT_DBG("%s", hdev->name);
3794
a8b2d5c2 3795 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3796 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3797}
3798
92a25256
JH		 3799static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3800 struct sk_buff *skb)
3801{
3802 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3803 struct hci_conn *conn;
3804
3805 BT_DBG("%s", hdev->name);
3806
3807 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3808 if (!conn)
3809 return;
3810
3811 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3812 conn->passkey_entered = 0;
3813
3814 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3815 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3816 conn->dst_type, conn->passkey_notify,
3817 conn->passkey_entered);
3818}
3819
3820static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3821{
3822 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3823 struct hci_conn *conn;
3824
3825 BT_DBG("%s", hdev->name);
3826
3827 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3828 if (!conn)
3829 return;
3830
3831 switch (ev->type) {
3832 case HCI_KEYPRESS_STARTED:
3833 conn->passkey_entered = 0;
3834 return;
3835
3836 case HCI_KEYPRESS_ENTERED:
3837 conn->passkey_entered++;
3838 break;
3839
3840 case HCI_KEYPRESS_ERASED:
3841 conn->passkey_entered--;
3842 break;
3843
3844 case HCI_KEYPRESS_CLEARED:
3845 conn->passkey_entered = 0;
3846 break;
3847
3848 case HCI_KEYPRESS_COMPLETED:
3849 return;
3850 }
3851
3852 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3853 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3854 conn->dst_type, conn->passkey_notify,
3855 conn->passkey_entered);
3856}
3857
6039aa73
GP		 3858static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3859 struct sk_buff *skb)
0493684e
MH		 3860{
3861 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3862 struct hci_conn *conn;
3863
3864 BT_DBG("%s", hdev->name);
3865
3866 hci_dev_lock(hdev);
3867
3868 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3869 if (!conn)
3870 goto unlock;
3871
3872 /* To avoid duplicate auth_failed events to user space we check
3873 * the HCI_CONN_AUTH_PEND flag which will be set if we
3874 * initiated the authentication. A traditional auth_complete
3875 * event gets always produced as initiator and is also mapped to
3876 * the mgmt_auth_failed event */
fa1bd918 3877 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3878 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3879 ev->status);
0493684e 3880
76a68ba0 3881 hci_conn_drop(conn);
2a611692
JH		 3882
3883unlock:
0493684e
MH		 3884 hci_dev_unlock(hdev);
3885}
3886
6039aa73
GP		 3887static void hci_remote_host_features_evt(struct hci_dev *hdev,
3888 struct sk_buff *skb)
41a96212
MH		 3889{
3890 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3891 struct inquiry_entry *ie;
cad718ed 3892 struct hci_conn *conn;
41a96212
MH		 3893
3894 BT_DBG("%s", hdev->name);
3895
3896 hci_dev_lock(hdev);
3897
cad718ed
JH		 3898 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3899 if (conn)
3900 memcpy(conn->features[1], ev->features, 8);
3901
cc11b9c1
AE		 3902 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3903 if (ie)
02b7cc62 3904 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3905
3906 hci_dev_unlock(hdev);
3907}
3908
6039aa73
GP		 3909static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3910 struct sk_buff *skb)
2763eda6
SJ		 3911{
3912 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3913 struct oob_data *data;
3914
3915 BT_DBG("%s", hdev->name);
3916
3917 hci_dev_lock(hdev);
3918
a8b2d5c2 3919 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3920 goto unlock;
3921
2763eda6
SJ		 3922 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3923 if (data) {
519ca9d0
MH		 3924 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3925 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3926
519ca9d0
MH		 3927 bacpy(&cp.bdaddr, &ev->bdaddr);
3928 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3929 memcpy(cp.randomizer192, data->randomizer192,
3930 sizeof(cp.randomizer192));
3931 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3932 memcpy(cp.randomizer256, data->randomizer256,
3933 sizeof(cp.randomizer256));
3934
3935 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3936 sizeof(cp), &cp);
3937 } else {
3938 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3939
519ca9d0
MH		 3940 bacpy(&cp.bdaddr, &ev->bdaddr);
3941 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3942 memcpy(cp.randomizer, data->randomizer192,
3943 sizeof(cp.randomizer));
3944
3945 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3946 sizeof(cp), &cp);
3947 }
2763eda6
SJ		 3948 } else {
3949 struct hci_cp_remote_oob_data_neg_reply cp;
3950
3951 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3952 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3953 sizeof(cp), &cp);
2763eda6
SJ		 3954 }
3955
e1ba1f15 3956unlock:
2763eda6
SJ		 3957 hci_dev_unlock(hdev);
3958}
3959
d5e91192
AE		 3960static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3961 struct sk_buff *skb)
3962{
3963 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3964 struct hci_conn *hcon, *bredr_hcon;
3965
3966 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3967 ev->status);
3968
3969 hci_dev_lock(hdev);
3970
3971 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3972 if (!hcon) {
3973 hci_dev_unlock(hdev);
3974 return;
3975 }
3976
3977 if (ev->status) {
3978 hci_conn_del(hcon);
3979 hci_dev_unlock(hdev);
3980 return;
3981 }
3982
3983 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3984
3985 hcon->state = BT_CONNECTED;
3986 bacpy(&hcon->dst, &bredr_hcon->dst);
3987
3988 hci_conn_hold(hcon);
3989 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3990 hci_conn_drop(hcon);
d5e91192 3991
d5e91192
AE		 3992 hci_conn_add_sysfs(hcon);
3993
cf70ff22 3994 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 3995
cf70ff22 3996 hci_dev_unlock(hdev);
d5e91192
AE		 3997}
3998
27695fb4
AE		 3999static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4000{
4001 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4002 struct hci_conn *hcon;
4003 struct hci_chan *hchan;
4004 struct amp_mgr *mgr;
4005
4006 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4007 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4008 ev->status);
4009
4010 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4011 if (!hcon)
4012 return;
4013
4014 /* Create AMP hchan */
4015 hchan = hci_chan_create(hcon);
4016 if (!hchan)
4017 return;
4018
4019 hchan->handle = le16_to_cpu(ev->handle);
4020
4021 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4022
4023 mgr = hcon->amp_mgr;
4024 if (mgr && mgr->bredr_chan) {
4025 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4026
4027 l2cap_chan_lock(bredr_chan);
4028
4029 bredr_chan->conn->mtu = hdev->block_mtu;
4030 l2cap_logical_cfm(bredr_chan, hchan, 0);
4031 hci_conn_hold(hcon);
4032
4033 l2cap_chan_unlock(bredr_chan);
4034 }
4035}
4036
606e2a10
AE		 4037static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4038 struct sk_buff *skb)
4039{
4040 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4041 struct hci_chan *hchan;
4042
4043 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4044 le16_to_cpu(ev->handle), ev->status);
4045
4046 if (ev->status)
4047 return;
4048
4049 hci_dev_lock(hdev);
4050
4051 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4052 if (!hchan)
4053 goto unlock;
4054
4055 amp_destroy_logical_link(hchan, ev->reason);
4056
4057unlock:
4058 hci_dev_unlock(hdev);
4059}
4060
9eef6b3a
AE		 4061static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4062 struct sk_buff *skb)
4063{
4064 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4065 struct hci_conn *hcon;
4066
4067 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4068
4069 if (ev->status)
4070 return;
4071
4072 hci_dev_lock(hdev);
4073
4074 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4075 if (hcon) {
4076 hcon->state = BT_CLOSED;
4077 hci_conn_del(hcon);
4078 }
4079
4080 hci_dev_unlock(hdev);
4081}
4082
6039aa73 4083static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4084{
4085 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4086 struct hci_conn_params *params;
fcd89c09 4087 struct hci_conn *conn;
68d6f6de 4088 struct smp_irk *irk;
837d502e 4089 u8 addr_type;
fcd89c09 4090
9f1db00c 4091 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4092
4093 hci_dev_lock(hdev);
4094
fbd96c15
JH		 4095 /* All controllers implicitly stop advertising in the event of a
4096 * connection, so ensure that the state bit is cleared.
4097 */
4098 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4099
b47a09b3 4100 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4101 if (!conn) {
a5c4e309 4102 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4103 if (!conn) {
4104 BT_ERR("No memory for new connection");
230fd16a 4105 goto unlock;
b62f328b 4106 }
29b7988a
AG		 4107
4108 conn->dst_type = ev->bdaddr_type;
b9b343d2 4109
cb1d68f7
JH		 4110 /* If we didn't have a hci_conn object previously
4111 * but we're in master role this must be something
4112 * initiated using a white list. Since white list based
4113 * connections are not "first class citizens" we don't
4114 * have full tracking of them. Therefore, we go ahead
4115 * with a "best effort" approach of determining the
4116 * initiator address based on the HCI_PRIVACY flag.
4117 */
4118 if (conn->out) {
4119 conn->resp_addr_type = ev->bdaddr_type;
4120 bacpy(&conn->resp_addr, &ev->bdaddr);
4121 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4122 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4123 bacpy(&conn->init_addr, &hdev->rpa);
4124 } else {
4125 hci_copy_identity_address(hdev,
4126 &conn->init_addr,
4127 &conn->init_addr_type);
4128 }
cb1d68f7 4129 }
9489eca4
JH		 4130 } else {
4131 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4132 }
fcd89c09 4133
80c24ab8
JH		 4134 if (!conn->out) {
4135 /* Set the responder (our side) address type based on
4136 * the advertising address type.
4137 */
4138 conn->resp_addr_type = hdev->adv_addr_type;
4139 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4140 bacpy(&conn->resp_addr, &hdev->random_addr);
4141 else
4142 bacpy(&conn->resp_addr, &hdev->bdaddr);
4143
4144 conn->init_addr_type = ev->bdaddr_type;
4145 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4146
4147 /* For incoming connections, set the default minimum
4148 * and maximum connection interval. They will be used
4149 * to check if the parameters are in range and if not
4150 * trigger the connection update procedure.
4151 */
4152 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4153 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4154 }
7be2edbb 4155
edb4b466
MH		 4156 /* Lookup the identity address from the stored connection
4157 * address and address type.
4158 *
4159 * When establishing connections to an identity address, the
4160 * connection procedure will store the resolvable random
4161 * address first. Now if it can be converted back into the
4162 * identity address, start using the identity address from
4163 * now on.
4164 */
4165 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4166 if (irk) {
4167 bacpy(&conn->dst, &irk->bdaddr);
4168 conn->dst_type = irk->addr_type;
4169 }
4170
837d502e
JH		 4171 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4172 addr_type = BDADDR_LE_PUBLIC;
4173 else
4174 addr_type = BDADDR_LE_RANDOM;
4175
2d3c2260
JH		 4176 if (ev->status) {
4177 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4178 goto unlock;
4179 }
4180
2d3c2260
JH		 4181 /* Drop the connection if the device is blocked */
4182 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4183 hci_conn_drop(conn);
cd17decb
AG		 4184 goto unlock;
4185 }
4186
b644ba33 4187 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4188 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4189 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4190
7b5c0d52 4191 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4192 conn->handle = __le16_to_cpu(ev->handle);
4193 conn->state = BT_CONNECTED;
4194
e04fde60
MH		 4195 conn->le_conn_interval = le16_to_cpu(ev->interval);
4196 conn->le_conn_latency = le16_to_cpu(ev->latency);
4197 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4198
fcd89c09
VT		 4199 hci_conn_add_sysfs(conn);
4200
4201 hci_proto_connect_cfm(conn, ev->status);
4202
912b42ef 4203 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
223683a5 4204 if (params)
95305baa 4205 list_del_init(&params->action);
a4790dbd 4206
fcd89c09 4207unlock:
223683a5 4208 hci_update_background_scan(hdev);
fcd89c09
VT		 4209 hci_dev_unlock(hdev);
4210}
4211
1855d92d
MH		 4212static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4213 struct sk_buff *skb)
4214{
4215 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4216 struct hci_conn *conn;
4217
4218 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4219
4220 if (ev->status)
4221 return;
4222
4223 hci_dev_lock(hdev);
4224
4225 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4226 if (conn) {
4227 conn->le_conn_interval = le16_to_cpu(ev->interval);
4228 conn->le_conn_latency = le16_to_cpu(ev->latency);
4229 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4230 }
4231
4232 hci_dev_unlock(hdev);
4233}
4234
a4790dbd 4235/* This function requires the caller holds hdev->lock */
7e899c94 4236static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4237 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4238{
4239 struct hci_conn *conn;
4240
1c1abcab
JH		 4241 /* If the event is not connectable don't proceed further */
4242 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4243 return;
1c1abcab
JH		 4244
4245 /* Ignore if the device is blocked */
dcc36c16 4246 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4247 return;
1c1abcab
JH		 4248
4249 /* If we're connectable, always connect any ADV_DIRECT_IND event */
4250 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
4251 adv_type == LE_ADV_DIRECT_IND)
4252 goto connect;
4253
4254 /* If we're not connectable only connect devices that we have in
4255 * our pend_le_conns list.
4256 */
501f8827 4257 if (!hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, addr_type))
7e899c94 4258 return;
a4790dbd 4259
1c1abcab 4260connect:
a4790dbd 4261 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4262 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
a4790dbd 4263 if (!IS_ERR(conn))
7e899c94 4264 return;
a4790dbd
AG		 4265
4266 switch (PTR_ERR(conn)) {
4267 case -EBUSY:
4268 /* If hci_connect() returns -EBUSY it means there is already
4269 * an LE connection attempt going on. Since controllers don't
4270 * support more than one connection attempt at the time, we
4271 * don't consider this an error case.
4272 */
4273 break;
4274 default:
4275 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4276 }
4277}
4278
4af605d8
JH		 4279static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4280 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4281{
b9a6328f 4282 struct discovery_state *d = &hdev->discovery;
1c1abcab 4283 struct smp_irk *irk;
474ee066 4284 bool match;
c70a7e4c 4285 u32 flags;
b9a6328f 4286
1c1abcab
JH		 4287 /* Check if we need to convert to identity address */
4288 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4289 if (irk) {
4290 bdaddr = &irk->bdaddr;
4291 bdaddr_type = irk->addr_type;
4292 }
4293
4294 /* Check if we have been requested to connect to this device */
4295 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4296
0d2bf134
JH		 4297 /* Passive scanning shouldn't trigger any device found events,
4298 * except for devices marked as CONN_REPORT for which we do send
4299 * device found events.
4300 */
ca5c4be7 4301 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4302 if (type == LE_ADV_DIRECT_IND)
4303 return;
4304
3a19b6fe
JH		 4305 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4306 bdaddr, bdaddr_type))
0d2bf134
JH		 4307 return;
4308
4309 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4310 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4311 else
4312 flags = 0;
4313 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4314 rssi, flags, data, len, NULL, 0);
97bf2e99 4315 return;
ca5c4be7 4316 }
4af605d8 4317
c70a7e4c
MH		 4318 /* When receiving non-connectable or scannable undirected
4319 * advertising reports, this means that the remote device is
4320 * not connectable and then clearly indicate this in the
4321 * device found event.
4322 *
4323 * When receiving a scan response, then there is no way to
4324 * know if the remote device is connectable or not. However
4325 * since scan responses are merged with a previously seen
4326 * advertising report, the flags field from that report
4327 * will be used.
4328 *
4329 * In the really unlikely case that a controller get confused
4330 * and just sends a scan response event, then it is marked as
4331 * not connectable as well.
4332 */
4333 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4334 type == LE_ADV_SCAN_RSP)
4335 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4336 else
4337 flags = 0;
4338
b9a6328f
JH		 4339 /* If there's nothing pending either store the data from this
4340 * event or send an immediate device found event if the data
4341 * should not be stored for later.
4342 */
4343 if (!has_pending_adv_report(hdev)) {
4344 /* If the report will trigger a SCAN_REQ store it for
4345 * later merging.
4346 */
4347 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4348 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4349 rssi, flags, data, len);
b9a6328f
JH		 4350 return;
4351 }
4352
4353 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4354 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4355 return;
4356 }
4357
474ee066
JH		 4358 /* Check if the pending report is for the same device as the new one */
4359 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4360 bdaddr_type == d->last_adv_addr_type);
4361
b9a6328f
JH		 4362 /* If the pending data doesn't match this report or this isn't a
4363 * scan response (e.g. we got a duplicate ADV_IND) then force
4364 * sending of the pending data.
4365 */
474ee066
JH		 4366 if (type != LE_ADV_SCAN_RSP || !match) {
4367 /* Send out whatever is in the cache, but skip duplicates */
4368 if (!match)
4369 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4370 d->last_adv_addr_type, NULL,
c70a7e4c 4371 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4372 d->last_adv_data,
474ee066 4373 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4374
4375 /* If the new report will trigger a SCAN_REQ store it for
4376 * later merging.
4377 */
4378 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4379 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4380 rssi, flags, data, len);
b9a6328f
JH		 4381 return;
4382 }
4383
4384 /* The advertising reports cannot be merged, so clear
4385 * the pending report and send out a device found event.
4386 */
4387 clear_pending_adv_report(hdev);
5c5b93e4 4388 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4389 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4390 return;
4391 }
4392
4393 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4394 * the new event is a SCAN_RSP. We can therefore proceed with
4395 * sending a merged device found event.
4396 */
4397 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4398 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4399 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4400 clear_pending_adv_report(hdev);
4af605d8
JH		 4401}
4402
6039aa73 4403static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4404{
e95beb41
AG		 4405 u8 num_reports = skb->data[0];
4406 void *ptr = &skb->data[1];
9aa04c91 4407
a4790dbd
AG		 4408 hci_dev_lock(hdev);
4409
e95beb41
AG		 4410 while (num_reports--) {
4411 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4412 s8 rssi;
a4790dbd 4413
3c9e9195 4414 rssi = ev->data[ev->length];
4af605d8
JH		 4415 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4416 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4417
e95beb41 4418 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4419 }
a4790dbd
AG		 4420
4421 hci_dev_unlock(hdev);
9aa04c91
AG		 4422}
4423
6039aa73 4424static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4425{
4426 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4427 struct hci_cp_le_ltk_reply cp;
bea710fe 4428 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4429 struct hci_conn *conn;
c9839a11 4430 struct smp_ltk *ltk;
a7a595f6 4431
9f1db00c 4432 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4433
4434 hci_dev_lock(hdev);
4435
4436 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4437 if (conn == NULL)
4438 goto not_found;
a7a595f6 4439
e804d25d 4440 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4441 if (ltk == NULL)
4442 goto not_found;
4443
4444 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4445 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4446
4447 if (ltk->authenticated)
f8776218
AG		 4448 conn->pending_sec_level = BT_SECURITY_HIGH;
4449 else
4450 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4451
89cbb4da 4452 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4453
4454 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4455
5981a882
CT		 4456 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4457 * temporary key used to encrypt a connection following
4458 * pairing. It is used during the Encrypted Session Setup to
4459 * distribute the keys. Later, security can be re-established
4460 * using a distributed LTK.
4461 */
2ceba539 4462 if (ltk->type == SMP_STK) {
fe59a05f 4463 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4464 list_del(&ltk->list);
4465 kfree(ltk);
fe59a05f
JH		 4466 } else {
4467 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4468 }
4469
a7a595f6 4470 hci_dev_unlock(hdev);
bea710fe
VCG		 4471
4472 return;
4473
4474not_found:
4475 neg.handle = ev->handle;
4476 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4477 hci_dev_unlock(hdev);
a7a595f6
VCG		 4478}
4479
8e75b46a
AG		 4480static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4481 u8 reason)
4482{
4483 struct hci_cp_le_conn_param_req_neg_reply cp;
4484
4485 cp.handle = cpu_to_le16(handle);
4486 cp.reason = reason;
4487
4488 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4489 &cp);
4490}
4491
4492static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4493 struct sk_buff *skb)
4494{
4495 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4496 struct hci_cp_le_conn_param_req_reply cp;
4497 struct hci_conn *hcon;
4498 u16 handle, min, max, latency, timeout;
4499
4500 handle = le16_to_cpu(ev->handle);
4501 min = le16_to_cpu(ev->interval_min);
4502 max = le16_to_cpu(ev->interval_max);
4503 latency = le16_to_cpu(ev->latency);
4504 timeout = le16_to_cpu(ev->timeout);
4505
4506 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4507 if (!hcon || hcon->state != BT_CONNECTED)
4508 return send_conn_param_neg_reply(hdev, handle,
4509 HCI_ERROR_UNKNOWN_CONN_ID);
4510
4511 if (hci_check_conn_params(min, max, latency, timeout))
4512 return send_conn_param_neg_reply(hdev, handle,
4513 HCI_ERROR_INVALID_LL_PARAMS);
4514
40bef302 4515 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4516 struct hci_conn_params *params;
f4869e2a 4517 u8 store_hint;
348d50b8
JH		 4518
4519 hci_dev_lock(hdev);
4520
4521 params = hci_conn_params_lookup(hdev, &hcon->dst,
4522 hcon->dst_type);
4523 if (params) {
4524 params->conn_min_interval = min;
4525 params->conn_max_interval = max;
4526 params->conn_latency = latency;
4527 params->supervision_timeout = timeout;
f4869e2a
JH		 4528 store_hint = 0x01;
4529 } else{
4530 store_hint = 0x00;
348d50b8
JH		 4531 }
4532
4533 hci_dev_unlock(hdev);
4534
f4869e2a
JH		 4535 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4536 store_hint, min, max, latency, timeout);
348d50b8 4537 }
ffb5a827 4538
8e75b46a
AG		 4539 cp.handle = ev->handle;
4540 cp.interval_min = ev->interval_min;
4541 cp.interval_max = ev->interval_max;
4542 cp.latency = ev->latency;
4543 cp.timeout = ev->timeout;
4544 cp.min_ce_len = 0;
4545 cp.max_ce_len = 0;
4546
4547 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4548}
4549
6039aa73 4550static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4551{
4552 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4553
4554 skb_pull(skb, sizeof(*le_ev));
4555
4556 switch (le_ev->subevent) {
4557 case HCI_EV_LE_CONN_COMPLETE:
4558 hci_le_conn_complete_evt(hdev, skb);
4559 break;
4560
1855d92d
MH		 4561 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4562 hci_le_conn_update_complete_evt(hdev, skb);
4563 break;
4564
9aa04c91
AG		 4565 case HCI_EV_LE_ADVERTISING_REPORT:
4566 hci_le_adv_report_evt(hdev, skb);
4567 break;
4568
a7a595f6
VCG		 4569 case HCI_EV_LE_LTK_REQ:
4570 hci_le_ltk_request_evt(hdev, skb);
4571 break;
4572
8e75b46a
AG		 4573 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4574 hci_le_remote_conn_param_req_evt(hdev, skb);
4575 break;
4576
fcd89c09
VT		 4577 default:
4578 break;
4579 }
4580}
4581
9495b2ee
AE		 4582static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4583{
4584 struct hci_ev_channel_selected *ev = (void *) skb->data;
4585 struct hci_conn *hcon;
4586
4587 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4588
4589 skb_pull(skb, sizeof(*ev));
4590
4591 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4592 if (!hcon)
4593 return;
4594
4595 amp_read_loc_assoc_final_data(hdev, hcon);
4596}
4597
a9de9248
MH		 4598void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4599{
4600 struct hci_event_hdr *hdr = (void *) skb->data;
4601 __u8 event = hdr->evt;
4602
b6ddb638
JH		 4603 hci_dev_lock(hdev);
4604
4605 /* Received events are (currently) only needed when a request is
4606 * ongoing so avoid unnecessary memory allocation.
4607 */
899de765 4608 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4609 kfree_skb(hdev->recv_evt);
4610 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4611 }
4612
4613 hci_dev_unlock(hdev);
4614
a9de9248
MH		 4615 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4616
02350a72 4617 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4618 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4619 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4620
4621 hci_req_cmd_complete(hdev, opcode, 0);
4622 }
4623
a9de9248 4624 switch (event) {
1da177e4
LT		 4625 case HCI_EV_INQUIRY_COMPLETE:
4626 hci_inquiry_complete_evt(hdev, skb);
4627 break;
4628
4629 case HCI_EV_INQUIRY_RESULT:
4630 hci_inquiry_result_evt(hdev, skb);
4631 break;
4632
a9de9248
MH		 4633 case HCI_EV_CONN_COMPLETE:
4634 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4635 break;
4636
1da177e4
LT		 4637 case HCI_EV_CONN_REQUEST:
4638 hci_conn_request_evt(hdev, skb);
4639 break;
4640
1da177e4
LT		 4641 case HCI_EV_DISCONN_COMPLETE:
4642 hci_disconn_complete_evt(hdev, skb);
4643 break;
4644
1da177e4
LT		 4645 case HCI_EV_AUTH_COMPLETE:
4646 hci_auth_complete_evt(hdev, skb);
4647 break;
4648
a9de9248
MH		 4649 case HCI_EV_REMOTE_NAME:
4650 hci_remote_name_evt(hdev, skb);
4651 break;
4652
1da177e4
LT		 4653 case HCI_EV_ENCRYPT_CHANGE:
4654 hci_encrypt_change_evt(hdev, skb);
4655 break;
4656
a9de9248
MH		 4657 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4658 hci_change_link_key_complete_evt(hdev, skb);
4659 break;
4660
4661 case HCI_EV_REMOTE_FEATURES:
4662 hci_remote_features_evt(hdev, skb);
4663 break;
4664
a9de9248
MH		 4665 case HCI_EV_CMD_COMPLETE:
4666 hci_cmd_complete_evt(hdev, skb);
4667 break;
4668
4669 case HCI_EV_CMD_STATUS:
4670 hci_cmd_status_evt(hdev, skb);
4671 break;
4672
4673 case HCI_EV_ROLE_CHANGE:
4674 hci_role_change_evt(hdev, skb);
4675 break;
4676
4677 case HCI_EV_NUM_COMP_PKTS:
4678 hci_num_comp_pkts_evt(hdev, skb);
4679 break;
4680
4681 case HCI_EV_MODE_CHANGE:
4682 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4683 break;
4684
4685 case HCI_EV_PIN_CODE_REQ:
4686 hci_pin_code_request_evt(hdev, skb);
4687 break;
4688
4689 case HCI_EV_LINK_KEY_REQ:
4690 hci_link_key_request_evt(hdev, skb);
4691 break;
4692
4693 case HCI_EV_LINK_KEY_NOTIFY:
4694 hci_link_key_notify_evt(hdev, skb);
4695 break;
4696
4697 case HCI_EV_CLOCK_OFFSET:
4698 hci_clock_offset_evt(hdev, skb);
4699 break;
4700
a8746417
MH		 4701 case HCI_EV_PKT_TYPE_CHANGE:
4702 hci_pkt_type_change_evt(hdev, skb);
4703 break;
4704
85a1e930
MH		 4705 case HCI_EV_PSCAN_REP_MODE:
4706 hci_pscan_rep_mode_evt(hdev, skb);
4707 break;
4708
a9de9248
MH		 4709 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4710 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4711 break;
4712
a9de9248
MH		 4713 case HCI_EV_REMOTE_EXT_FEATURES:
4714 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4715 break;
4716
a9de9248
MH		 4717 case HCI_EV_SYNC_CONN_COMPLETE:
4718 hci_sync_conn_complete_evt(hdev, skb);
4719 break;
1da177e4 4720
a9de9248
MH		 4721 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4722 hci_extended_inquiry_result_evt(hdev, skb);
4723 break;
1da177e4 4724
1c2e0041
JH		 4725 case HCI_EV_KEY_REFRESH_COMPLETE:
4726 hci_key_refresh_complete_evt(hdev, skb);
4727 break;
4728
0493684e
MH		 4729 case HCI_EV_IO_CAPA_REQUEST:
4730 hci_io_capa_request_evt(hdev, skb);
4731 break;
4732
03b555e1
JH		 4733 case HCI_EV_IO_CAPA_REPLY:
4734 hci_io_capa_reply_evt(hdev, skb);
4735 break;
4736
a5c29683
JH		 4737 case HCI_EV_USER_CONFIRM_REQUEST:
4738 hci_user_confirm_request_evt(hdev, skb);
4739 break;
4740
1143d458
BG		 4741 case HCI_EV_USER_PASSKEY_REQUEST:
4742 hci_user_passkey_request_evt(hdev, skb);
4743 break;
4744
92a25256
JH		 4745 case HCI_EV_USER_PASSKEY_NOTIFY:
4746 hci_user_passkey_notify_evt(hdev, skb);
4747 break;
4748
4749 case HCI_EV_KEYPRESS_NOTIFY:
4750 hci_keypress_notify_evt(hdev, skb);
4751 break;
4752
0493684e
MH		 4753 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4754 hci_simple_pair_complete_evt(hdev, skb);
4755 break;
4756
41a96212
MH		 4757 case HCI_EV_REMOTE_HOST_FEATURES:
4758 hci_remote_host_features_evt(hdev, skb);
4759 break;
4760
fcd89c09
VT		 4761 case HCI_EV_LE_META:
4762 hci_le_meta_evt(hdev, skb);
4763 break;
4764
9495b2ee
AE		 4765 case HCI_EV_CHANNEL_SELECTED:
4766 hci_chan_selected_evt(hdev, skb);
4767 break;
4768
2763eda6
SJ		 4769 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4770 hci_remote_oob_data_request_evt(hdev, skb);
4771 break;
4772
d5e91192
AE		 4773 case HCI_EV_PHY_LINK_COMPLETE:
4774 hci_phy_link_complete_evt(hdev, skb);
4775 break;
4776
27695fb4
AE		 4777 case HCI_EV_LOGICAL_LINK_COMPLETE:
4778 hci_loglink_complete_evt(hdev, skb);
4779 break;
4780
606e2a10
AE		 4781 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4782 hci_disconn_loglink_complete_evt(hdev, skb);
4783 break;
4784
9eef6b3a
AE		 4785 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4786 hci_disconn_phylink_complete_evt(hdev, skb);
4787 break;
4788
25e89e99
AE		 4789 case HCI_EV_NUM_COMP_BLOCKS:
4790 hci_num_comp_blocks_evt(hdev, skb);
4791 break;
4792
a9de9248 4793 default:
9f1db00c 4794 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4795 break;
4796 }
4797
4798 kfree_skb(skb);
4799 hdev->stat.evt_rx++;
4800}
Linux kernel - Deliverables
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