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Bluetooth: Fix dereferencing conn variable before NULL check
[deliverable/linux.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
7024728e 33#include "a2mp.h"
7ef9fbf0 34#include "amp.h"
2ceba539 35#include "smp.h"
1da177e4 36
1da177e4
LT		 37/* Handle HCI Event packets */
38
a9de9248 39static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 40{
a9de9248 41 __u8 status = *((__u8 *) skb->data);
1da177e4 42
9f1db00c 43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 44
82f4785c 45 if (status)
a9de9248 46 return;
1da177e4 47
89352e7d 48 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 51
50143a43
JH		 52 hci_dev_lock(hdev);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
54 hci_dev_unlock(hdev);
55
a9de9248
MH		 56 hci_conn_check_pending(hdev);
57}
6bd57416 58
4d93483b
AG		 59static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
60{
61 __u8 status = *((__u8 *) skb->data);
62
9f1db00c 63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 64
65 if (status)
66 return;
67
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG		 69}
70
a9de9248
MH		 71static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
72{
73 __u8 status = *((__u8 *) skb->data);
6bd57416 74
9f1db00c 75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 76
a9de9248
MH		 77 if (status)
78 return;
1da177e4 79
ae854a70
AG		 80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
81
a9de9248
MH		 82 hci_conn_check_pending(hdev);
83}
84
807deac2
GP		 85static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
86 struct sk_buff *skb)
a9de9248
MH		 87{
88 BT_DBG("%s", hdev->name);
89}
90
91static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
92{
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
95
9f1db00c 96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 97
98 if (rp->status)
99 return;
100
101 hci_dev_lock(hdev);
102
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 104 if (conn)
105 conn->role = rp->role;
a9de9248
MH		 106
107 hci_dev_unlock(hdev);
1da177e4
LT		 108}
109
e4e8e37c
MH		 110static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
111{
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
114
9f1db00c 115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 116
117 if (rp->status)
118 return;
119
120 hci_dev_lock(hdev);
121
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
123 if (conn)
124 conn->link_policy = __le16_to_cpu(rp->policy);
125
126 hci_dev_unlock(hdev);
127}
128
a9de9248 129static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 130{
a9de9248 131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 132 struct hci_conn *conn;
04837f64 133 void *sent;
1da177e4 134
9f1db00c 135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 136
a9de9248
MH		 137 if (rp->status)
138 return;
1da177e4 139
a9de9248
MH		 140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
141 if (!sent)
142 return;
1da177e4 143
a9de9248 144 hci_dev_lock(hdev);
1da177e4 145
a9de9248 146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 147 if (conn)
83985319 148 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 149
a9de9248
MH		 150 hci_dev_unlock(hdev);
151}
1da177e4 152
807deac2
GP		 153static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
154 struct sk_buff *skb)
e4e8e37c
MH		 155{
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
157
9f1db00c 158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 159
160 if (rp->status)
161 return;
162
163 hdev->link_policy = __le16_to_cpu(rp->policy);
164}
165
807deac2
GP		 166static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
167 struct sk_buff *skb)
e4e8e37c
MH		 168{
169 __u8 status = *((__u8 *) skb->data);
170 void *sent;
171
9f1db00c 172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 173
45296acd
MH		 174 if (status)
175 return;
176
e4e8e37c
MH		 177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
178 if (!sent)
179 return;
180
45296acd 181 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 182}
183
a9de9248
MH		 184static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
185{
186 __u8 status = *((__u8 *) skb->data);
04837f64 187
9f1db00c 188 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 189
10572132
GP		 190 clear_bit(HCI_RESET, &hdev->flags);
191
a297e97c 192 /* Reset all non-persistent flags */
2cc6fb00 193 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 194
195 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 196 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
197 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 198
199 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
200 hdev->adv_data_len = 0;
f8e808bd
MH		 201
202 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
203 hdev->scan_rsp_data_len = 0;
06f5b778 204
533553f8
MH		 205 hdev->le_scan_type = LE_SCAN_PASSIVE;
206
06f5b778 207 hdev->ssp_debug_mode = 0;
a9de9248 208}
04837f64 209
a9de9248
MH		 210static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
211{
212 __u8 status = *((__u8 *) skb->data);
213 void *sent;
04837f64 214
9f1db00c 215 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 216
a9de9248
MH		 217 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
218 if (!sent)
219 return;
04837f64 220
56e5cb86
JH		 221 hci_dev_lock(hdev);
222
f51d5b24
JH		 223 if (test_bit(HCI_MGMT, &hdev->dev_flags))
224 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 225 else if (!status)
226 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 227
56e5cb86 228 hci_dev_unlock(hdev);
a9de9248
MH		 229}
230
231static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
232{
233 struct hci_rp_read_local_name *rp = (void *) skb->data;
234
9f1db00c 235 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 236
237 if (rp->status)
238 return;
239
db99b5fc
JH		 240 if (test_bit(HCI_SETUP, &hdev->dev_flags))
241 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 242}
243
244static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
245{
246 __u8 status = *((__u8 *) skb->data);
247 void *sent;
248
9f1db00c 249 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 250
251 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
252 if (!sent)
253 return;
254
255 if (!status) {
256 __u8 param = *((__u8 *) sent);
257
258 if (param == AUTH_ENABLED)
259 set_bit(HCI_AUTH, &hdev->flags);
260 else
261 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 262 }
a9de9248 263
33ef95ed
JH		 264 if (test_bit(HCI_MGMT, &hdev->dev_flags))
265 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 266}
267
a9de9248 268static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 269{
a9de9248 270 __u8 status = *((__u8 *) skb->data);
45296acd 271 __u8 param;
1da177e4
LT		 272 void *sent;
273
9f1db00c 274 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 275
45296acd
MH		 276 if (status)
277 return;
278
a9de9248
MH		 279 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
280 if (!sent)
281 return;
1da177e4 282
45296acd 283 param = *((__u8 *) sent);
a9de9248 284
45296acd
MH		 285 if (param)
286 set_bit(HCI_ENCRYPT, &hdev->flags);
287 else
288 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 289}
1da177e4 290
a9de9248
MH		 291static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
292{
45296acd
MH		 293 __u8 status = *((__u8 *) skb->data);
294 __u8 param;
a9de9248 295 void *sent;
1da177e4 296
9f1db00c 297 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 298
a9de9248
MH		 299 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
300 if (!sent)
301 return;
1da177e4 302
36f7fc7e
JH		 303 param = *((__u8 *) sent);
304
56e5cb86
JH		 305 hci_dev_lock(hdev);
306
fa1bd918 307 if (status) {
2d7cee58
JH		 308 hdev->discov_timeout = 0;
309 goto done;
310 }
311
bc6d2d04 312 if (param & SCAN_INQUIRY)
36f7fc7e 313 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 314 else
315 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 316
031547d8 317 if (param & SCAN_PAGE)
36f7fc7e 318 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04 319 else
204e3990 320 clear_bit(HCI_PSCAN, &hdev->flags);
1da177e4 321
36f7fc7e 322done:
56e5cb86 323 hci_dev_unlock(hdev);
a9de9248 324}
1da177e4 325
a9de9248
MH		 326static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
327{
328 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 329
9f1db00c 330 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 331
a9de9248
MH		 332 if (rp->status)
333 return;
1da177e4 334
a9de9248 335 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 336
a9de9248 337 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 338 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 339}
1da177e4 340
a9de9248
MH		 341static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
342{
343 __u8 status = *((__u8 *) skb->data);
344 void *sent;
1da177e4 345
9f1db00c 346 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 347
a9de9248
MH		 348 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
349 if (!sent)
350 return;
1da177e4 351
7f9a903c
MH		 352 hci_dev_lock(hdev);
353
354 if (status == 0)
355 memcpy(hdev->dev_class, sent, 3);
356
357 if (test_bit(HCI_MGMT, &hdev->dev_flags))
358 mgmt_set_class_of_dev_complete(hdev, sent, status);
359
360 hci_dev_unlock(hdev);
a9de9248 361}
1da177e4 362
a9de9248
MH		 363static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
364{
365 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
366 __u16 setting;
367
9f1db00c 368 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 369
370 if (rp->status)
371 return;
372
373 setting = __le16_to_cpu(rp->voice_setting);
374
f383f275 375 if (hdev->voice_setting == setting)
a9de9248
MH		 376 return;
377
378 hdev->voice_setting = setting;
379
9f1db00c 380 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 381
3c54711c 382 if (hdev->notify)
a9de9248 383 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 384}
385
8fc9ced3
GP		 386static void hci_cc_write_voice_setting(struct hci_dev *hdev,
387 struct sk_buff *skb)
a9de9248
MH		 388{
389 __u8 status = *((__u8 *) skb->data);
f383f275 390 __u16 setting;
a9de9248
MH		 391 void *sent;
392
9f1db00c 393 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 394
f383f275
MH		 395 if (status)
396 return;
397
a9de9248
MH		 398 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
399 if (!sent)
400 return;
1da177e4 401
f383f275 402 setting = get_unaligned_le16(sent);
1da177e4 403
f383f275
MH		 404 if (hdev->voice_setting == setting)
405 return;
406
407 hdev->voice_setting = setting;
1da177e4 408
9f1db00c 409 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 410
3c54711c 411 if (hdev->notify)
f383f275 412 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 413}
414
b4cb9fb2
MH		 415static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
416 struct sk_buff *skb)
417{
418 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
419
420 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
421
422 if (rp->status)
423 return;
424
425 hdev->num_iac = rp->num_iac;
426
427 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
428}
429
333140b5
MH		 430static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
431{
432 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 433 struct hci_cp_write_ssp_mode *sent;
333140b5 434
9f1db00c 435 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 436
333140b5
MH		 437 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
438 if (!sent)
439 return;
440
5ed8eb2f
JH		 441 if (!status) {
442 if (sent->mode)
cad718ed 443 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 444 else
cad718ed 445 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 446 }
447
ed2c4ee3 448 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 449 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 450 else if (!status) {
5ed8eb2f 451 if (sent->mode)
c0ecddc2
JH		 452 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
453 else
454 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
455 }
333140b5
MH		 456}
457
eac83dc6
MH		 458static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
459{
460 u8 status = *((u8 *) skb->data);
461 struct hci_cp_write_sc_support *sent;
462
463 BT_DBG("%s status 0x%2.2x", hdev->name, status);
464
465 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
466 if (!sent)
467 return;
468
469 if (!status) {
470 if (sent->support)
471 hdev->features[1][0] |= LMP_HOST_SC;
472 else
473 hdev->features[1][0] &= ~LMP_HOST_SC;
474 }
475
476 if (test_bit(HCI_MGMT, &hdev->dev_flags))
477 mgmt_sc_enable_complete(hdev, sent->support, status);
478 else if (!status) {
479 if (sent->support)
480 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
481 else
482 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
483 }
484}
485
a9de9248
MH		 486static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
487{
488 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 489
9f1db00c 490 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 491
a9de9248 492 if (rp->status)
42c6b129 493 return;
1143e5a6 494
0d5551f5
MH		 495 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
496 hdev->hci_ver = rp->hci_ver;
497 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
498 hdev->lmp_ver = rp->lmp_ver;
499 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
500 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
501 }
d5859e22
JH		 502}
503
8fc9ced3
GP		 504static void hci_cc_read_local_commands(struct hci_dev *hdev,
505 struct sk_buff *skb)
a9de9248
MH		 506{
507 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 508
9f1db00c 509 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 510
6a070e6e
MH		 511 if (rp->status)
512 return;
513
514 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 515 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 516}
1da177e4 517
8fc9ced3
GP		 518static void hci_cc_read_local_features(struct hci_dev *hdev,
519 struct sk_buff *skb)
a9de9248
MH		 520{
521 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 522
9f1db00c 523 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 524
a9de9248
MH		 525 if (rp->status)
526 return;
5b7f9909 527
a9de9248 528 memcpy(hdev->features, rp->features, 8);
5b7f9909 529
a9de9248
MH		 530 /* Adjust default settings according to features
531 * supported by device. */
1da177e4 532
cad718ed 533 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 534 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 535
cad718ed 536 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 537 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 538
cad718ed 539 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 540 hdev->pkt_type |= (HCI_HV2);
541 hdev->esco_type |= (ESCO_HV2);
542 }
1da177e4 543
cad718ed 544 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 545 hdev->pkt_type |= (HCI_HV3);
546 hdev->esco_type |= (ESCO_HV3);
547 }
1da177e4 548
45db810f 549 if (lmp_esco_capable(hdev))
a9de9248 550 hdev->esco_type |= (ESCO_EV3);
da1f5198 551
cad718ed 552 if (hdev->features[0][4] & LMP_EV4)
a9de9248 553 hdev->esco_type |= (ESCO_EV4);
da1f5198 554
cad718ed 555 if (hdev->features[0][4] & LMP_EV5)
a9de9248 556 hdev->esco_type |= (ESCO_EV5);
1da177e4 557
cad718ed 558 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 559 hdev->esco_type |= (ESCO_2EV3);
560
cad718ed 561 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 562 hdev->esco_type |= (ESCO_3EV3);
563
cad718ed 564 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 565 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 566}
1da177e4 567
971e3a4b 568static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 569 struct sk_buff *skb)
971e3a4b
AG		 570{
571 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
572
9f1db00c 573 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 574
575 if (rp->status)
42c6b129 576 return;
971e3a4b 577
57af75a8
MH		 578 if (hdev->max_page < rp->max_page)
579 hdev->max_page = rp->max_page;
d2c5d77f 580
cad718ed
JH		 581 if (rp->page < HCI_MAX_PAGES)
582 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 583}
584
1e89cffb 585static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 586 struct sk_buff *skb)
1e89cffb
AE		 587{
588 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
589
9f1db00c 590 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 591
45296acd
MH		 592 if (rp->status)
593 return;
594
595 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 596}
597
a9de9248
MH		 598static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
599{
600 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 601
9f1db00c 602 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 603
a9de9248
MH		 604 if (rp->status)
605 return;
1da177e4 606
a9de9248
MH		 607 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
608 hdev->sco_mtu = rp->sco_mtu;
609 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
610 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
611
612 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
613 hdev->sco_mtu = 64;
614 hdev->sco_pkts = 8;
1da177e4 615 }
a9de9248
MH		 616
617 hdev->acl_cnt = hdev->acl_pkts;
618 hdev->sco_cnt = hdev->sco_pkts;
619
807deac2
GP		 620 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
621 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 622}
623
624static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
625{
626 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
627
9f1db00c 628 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 629
e30d3f5f
MH		 630 if (rp->status)
631 return;
632
633 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 634 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 635
636 if (test_bit(HCI_SETUP, &hdev->dev_flags))
637 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 638}
639
f332ec66
JH		 640static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
641 struct sk_buff *skb)
642{
643 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
644
645 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
646
45296acd
MH		 647 if (rp->status)
648 return;
649
650 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 651 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
652 hdev->page_scan_window = __le16_to_cpu(rp->window);
653 }
654}
655
4a3ee763
JH		 656static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
657 struct sk_buff *skb)
658{
659 u8 status = *((u8 *) skb->data);
660 struct hci_cp_write_page_scan_activity *sent;
661
662 BT_DBG("%s status 0x%2.2x", hdev->name, status);
663
664 if (status)
665 return;
666
667 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
668 if (!sent)
669 return;
670
671 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
672 hdev->page_scan_window = __le16_to_cpu(sent->window);
673}
674
f332ec66
JH		 675static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
676 struct sk_buff *skb)
677{
678 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
679
680 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
681
45296acd
MH		 682 if (rp->status)
683 return;
684
685 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 686 hdev->page_scan_type = rp->type;
687}
688
4a3ee763
JH		 689static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
690 struct sk_buff *skb)
691{
692 u8 status = *((u8 *) skb->data);
693 u8 *type;
694
695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
696
697 if (status)
698 return;
699
700 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
701 if (type)
702 hdev->page_scan_type = *type;
703}
704
350ee4cf 705static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 706 struct sk_buff *skb)
350ee4cf
AE		 707{
708 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
709
9f1db00c 710 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 711
712 if (rp->status)
713 return;
714
715 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
716 hdev->block_len = __le16_to_cpu(rp->block_len);
717 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
718
719 hdev->block_cnt = hdev->num_blocks;
720
721 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 722 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 723}
724
33f35721
JH		 725static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
726{
727 struct hci_rp_read_clock *rp = (void *) skb->data;
728 struct hci_cp_read_clock *cp;
729 struct hci_conn *conn;
730
731 BT_DBG("%s", hdev->name);
732
733 if (skb->len < sizeof(*rp))
734 return;
735
736 if (rp->status)
737 return;
738
739 hci_dev_lock(hdev);
740
741 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
742 if (!cp)
743 goto unlock;
744
745 if (cp->which == 0x00) {
746 hdev->clock = le32_to_cpu(rp->clock);
747 goto unlock;
748 }
749
750 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
751 if (conn) {
752 conn->clock = le32_to_cpu(rp->clock);
753 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
754 }
755
756unlock:
757 hci_dev_unlock(hdev);
758}
759
928abaa7 760static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 761 struct sk_buff *skb)
928abaa7
AE		 762{
763 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
764
9f1db00c 765 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 766
767 if (rp->status)
8e2a0d92 768 goto a2mp_rsp;
928abaa7
AE		 769
770 hdev->amp_status = rp->amp_status;
771 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
772 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
773 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
774 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
775 hdev->amp_type = rp->amp_type;
776 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
777 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
778 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
779 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
780
8e2a0d92
AE		 781a2mp_rsp:
782 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 783}
784
903e4541
AE		 785static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
786 struct sk_buff *skb)
787{
788 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
789 struct amp_assoc *assoc = &hdev->loc_assoc;
790 size_t rem_len, frag_len;
791
792 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
793
794 if (rp->status)
795 goto a2mp_rsp;
796
797 frag_len = skb->len - sizeof(*rp);
798 rem_len = __le16_to_cpu(rp->rem_len);
799
800 if (rem_len > frag_len) {
2e430be3 801 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 802
803 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
804 assoc->offset += frag_len;
805
806 /* Read other fragments */
807 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
808
809 return;
810 }
811
812 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
813 assoc->len = assoc->offset + rem_len;
814 assoc->offset = 0;
815
816a2mp_rsp:
817 /* Send A2MP Rsp when all fragments are received */
818 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 819 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 820}
821
d5859e22 822static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 823 struct sk_buff *skb)
d5859e22 824{
91c4e9b1 825 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 826
9f1db00c 827 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 828
45296acd
MH		 829 if (rp->status)
830 return;
831
832 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 833}
834
980e1a53
JH		 835static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
836{
837 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
838 struct hci_cp_pin_code_reply *cp;
839 struct hci_conn *conn;
840
9f1db00c 841 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 842
56e5cb86
JH		 843 hci_dev_lock(hdev);
844
a8b2d5c2 845 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 846 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 847
fa1bd918 848 if (rp->status)
56e5cb86 849 goto unlock;
980e1a53
JH		 850
851 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
852 if (!cp)
56e5cb86 853 goto unlock;
980e1a53
JH		 854
855 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
856 if (conn)
857 conn->pin_length = cp->pin_len;
56e5cb86
JH		 858
859unlock:
860 hci_dev_unlock(hdev);
980e1a53
JH		 861}
862
863static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
864{
865 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
866
9f1db00c 867 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 868
56e5cb86
JH		 869 hci_dev_lock(hdev);
870
a8b2d5c2 871 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 872 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 873 rp->status);
56e5cb86
JH		 874
875 hci_dev_unlock(hdev);
980e1a53 876}
56e5cb86 877
6ed58ec5
VT		 878static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
879 struct sk_buff *skb)
880{
881 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
882
9f1db00c 883 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 884
885 if (rp->status)
886 return;
887
888 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
889 hdev->le_pkts = rp->le_max_pkt;
890
891 hdev->le_cnt = hdev->le_pkts;
892
893 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 894}
980e1a53 895
60e77321
JH		 896static void hci_cc_le_read_local_features(struct hci_dev *hdev,
897 struct sk_buff *skb)
898{
899 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
900
901 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
902
45296acd
MH		 903 if (rp->status)
904 return;
905
906 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 907}
908
8fa19098
JH		 909static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
910 struct sk_buff *skb)
911{
912 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
913
914 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
915
45296acd
MH		 916 if (rp->status)
917 return;
918
919 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 920}
921
a5c29683
JH		 922static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
923{
924 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
925
9f1db00c 926 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 927
56e5cb86
JH		 928 hci_dev_lock(hdev);
929
a8b2d5c2 930 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 931 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
932 rp->status);
56e5cb86
JH		 933
934 hci_dev_unlock(hdev);
a5c29683
JH		 935}
936
937static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 938 struct sk_buff *skb)
a5c29683
JH		 939{
940 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
941
9f1db00c 942 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 943
56e5cb86
JH		 944 hci_dev_lock(hdev);
945
a8b2d5c2 946 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 947 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 948 ACL_LINK, 0, rp->status);
56e5cb86
JH		 949
950 hci_dev_unlock(hdev);
a5c29683
JH		 951}
952
1143d458
BG		 953static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
954{
955 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
956
9f1db00c 957 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 958
959 hci_dev_lock(hdev);
960
a8b2d5c2 961 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 962 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 963 0, rp->status);
1143d458
BG		 964
965 hci_dev_unlock(hdev);
966}
967
968static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 969 struct sk_buff *skb)
1143d458
BG		 970{
971 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
972
9f1db00c 973 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 974
975 hci_dev_lock(hdev);
976
a8b2d5c2 977 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 978 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 979 ACL_LINK, 0, rp->status);
1143d458
BG		 980
981 hci_dev_unlock(hdev);
982}
983
4d2d2796
MH		 984static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
985 struct sk_buff *skb)
c35938b2
SJ		 986{
987 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
988
9f1db00c 989 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 990
56e5cb86 991 hci_dev_lock(hdev);
4d2d2796
MH		 992 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
993 NULL, NULL, rp->status);
994 hci_dev_unlock(hdev);
995}
996
997static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
998 struct sk_buff *skb)
999{
1000 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1001
1002 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1003
1004 hci_dev_lock(hdev);
1005 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1006 rp->hash256, rp->randomizer256,
1007 rp->status);
56e5cb86 1008 hci_dev_unlock(hdev);
c35938b2
SJ		 1009}
1010
7a4cd51d
MH		 1011
1012static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1013{
1014 __u8 status = *((__u8 *) skb->data);
1015 bdaddr_t *sent;
1016
1017 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1018
45296acd
MH		 1019 if (status)
1020 return;
1021
7a4cd51d
MH		 1022 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1023 if (!sent)
1024 return;
1025
1026 hci_dev_lock(hdev);
1027
45296acd 1028 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1029
1030 hci_dev_unlock(hdev);
1031}
1032
c1d5dc4a
JH		 1033static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1034{
1035 __u8 *sent, status = *((__u8 *) skb->data);
1036
1037 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1038
45296acd 1039 if (status)
c1d5dc4a
JH		 1040 return;
1041
45296acd
MH		 1042 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1043 if (!sent)
3c857757
JH		 1044 return;
1045
c1d5dc4a
JH		 1046 hci_dev_lock(hdev);
1047
3c857757
JH		 1048 /* If we're doing connection initation as peripheral. Set a
1049 * timeout in case something goes wrong.
1050 */
1051 if (*sent) {
1052 struct hci_conn *conn;
1053
66c417c1
JH		 1054 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1055
3c857757
JH		 1056 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1057 if (conn)
1058 queue_delayed_work(hdev->workqueue,
1059 &conn->le_conn_timeout,
09ae260b 1060 conn->conn_timeout);
66c417c1
JH		 1061 } else {
1062 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1063 }
1064
04b4edcb 1065 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1066}
1067
533553f8
MH		 1068static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1069{
1070 struct hci_cp_le_set_scan_param *cp;
1071 __u8 status = *((__u8 *) skb->data);
1072
1073 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1074
45296acd
MH		 1075 if (status)
1076 return;
1077
533553f8
MH		 1078 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1079 if (!cp)
1080 return;
1081
1082 hci_dev_lock(hdev);
1083
45296acd 1084 hdev->le_scan_type = cp->type;
533553f8
MH		 1085
1086 hci_dev_unlock(hdev);
1087}
1088
b9a6328f
JH		 1089static bool has_pending_adv_report(struct hci_dev *hdev)
1090{
1091 struct discovery_state *d = &hdev->discovery;
1092
1093 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1094}
1095
1096static void clear_pending_adv_report(struct hci_dev *hdev)
1097{
1098 struct discovery_state *d = &hdev->discovery;
1099
1100 bacpy(&d->last_adv_addr, BDADDR_ANY);
1101 d->last_adv_data_len = 0;
1102}
1103
1104static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1105 u8 bdaddr_type, s8 rssi, u32 flags,
1106 u8 *data, u8 len)
b9a6328f
JH		 1107{
1108 struct discovery_state *d = &hdev->discovery;
1109
1110 bacpy(&d->last_adv_addr, bdaddr);
1111 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1112 d->last_adv_rssi = rssi;
c70a7e4c 1113 d->last_adv_flags = flags;
b9a6328f
JH		 1114 memcpy(d->last_adv_data, data, len);
1115 d->last_adv_data_len = len;
1116}
1117
eb9d91f5 1118static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1119 struct sk_buff *skb)
eb9d91f5
AG		 1120{
1121 struct hci_cp_le_set_scan_enable *cp;
1122 __u8 status = *((__u8 *) skb->data);
1123
9f1db00c 1124 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1125
45296acd 1126 if (status)
eb9d91f5
AG		 1127 return;
1128
45296acd
MH		 1129 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1130 if (!cp)
3fd319b8
AG		 1131 return;
1132
68a8aea4 1133 switch (cp->enable) {
76a388be 1134 case LE_SCAN_ENABLE:
d23264a8 1135 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1136 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1137 clear_pending_adv_report(hdev);
68a8aea4
AE		 1138 break;
1139
76a388be 1140 case LE_SCAN_DISABLE:
b9a6328f
JH		 1141 /* We do this here instead of when setting DISCOVERY_STOPPED
1142 * since the latter would potentially require waiting for
1143 * inquiry to stop too.
1144 */
1145 if (has_pending_adv_report(hdev)) {
1146 struct discovery_state *d = &hdev->discovery;
1147
1148 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1149 d->last_adv_addr_type, NULL,
c70a7e4c 1150 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1151 d->last_adv_data,
b9a6328f
JH		 1152 d->last_adv_data_len, NULL, 0);
1153 }
1154
317ac8cb
JH		 1155 /* Cancel this timer so that we don't try to disable scanning
1156 * when it's already disabled.
1157 */
1158 cancel_delayed_work(&hdev->le_scan_disable);
1159
d23264a8 1160 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1161
81ad6fd9
JH		 1162 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1163 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1164 * therefore discovery as stopped. If this was not
1165 * because of a connect request advertising might have
1166 * been disabled because of active scanning, so
1167 * re-enable it again if necessary.
81ad6fd9
JH		 1168 */
1169 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1170 &hdev->dev_flags))
1171 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1172 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1173 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1174 mgmt_reenable_advertising(hdev);
1175
68a8aea4
AE		 1176 break;
1177
1178 default:
1179 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1180 break;
35815085 1181 }
eb9d91f5
AG		 1182}
1183
cf1d081f
JH		 1184static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1185 struct sk_buff *skb)
1186{
1187 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1188
1189 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1190
45296acd
MH		 1191 if (rp->status)
1192 return;
1193
1194 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1195}
1196
0f36b589
MH		 1197static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1198 struct sk_buff *skb)
1199{
1200 __u8 status = *((__u8 *) skb->data);
1201
1202 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1203
45296acd
MH		 1204 if (status)
1205 return;
1206
dcc36c16 1207 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1208}
1209
1210static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1211 struct sk_buff *skb)
1212{
1213 struct hci_cp_le_add_to_white_list *sent;
1214 __u8 status = *((__u8 *) skb->data);
1215
1216 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1217
45296acd
MH		 1218 if (status)
1219 return;
1220
0f36b589
MH		 1221 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1222 if (!sent)
1223 return;
1224
dcc36c16
JH		 1225 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1226 sent->bdaddr_type);
0f36b589
MH		 1227}
1228
1229static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1230 struct sk_buff *skb)
1231{
1232 struct hci_cp_le_del_from_white_list *sent;
1233 __u8 status = *((__u8 *) skb->data);
1234
1235 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1236
45296acd
MH		 1237 if (status)
1238 return;
1239
0f36b589
MH		 1240 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1241 if (!sent)
1242 return;
1243
dcc36c16
JH		 1244 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1245 sent->bdaddr_type);
0f36b589
MH		 1246}
1247
9b008c04
JH		 1248static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1249 struct sk_buff *skb)
1250{
1251 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1252
1253 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1254
45296acd
MH		 1255 if (rp->status)
1256 return;
1257
1258 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1259}
1260
6039aa73
GP		 1261static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1262 struct sk_buff *skb)
f9b49306 1263{
06199cf8 1264 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1265 __u8 status = *((__u8 *) skb->data);
1266
9f1db00c 1267 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1268
45296acd
MH		 1269 if (status)
1270 return;
1271
06199cf8 1272 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1273 if (!sent)
f9b49306
AG		 1274 return;
1275
45296acd
MH		 1276 if (sent->le) {
1277 hdev->features[1][0] |= LMP_HOST_LE;
1278 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1279 } else {
1280 hdev->features[1][0] &= ~LMP_HOST_LE;
1281 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1282 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1283 }
45296acd
MH		 1284
1285 if (sent->simul)
1286 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1287 else
1288 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1289}
1290
56ed2cb8
JH		 1291static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1292{
1293 struct hci_cp_le_set_adv_param *cp;
1294 u8 status = *((u8 *) skb->data);
1295
1296 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1297
1298 if (status)
1299 return;
1300
1301 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1302 if (!cp)
1303 return;
1304
1305 hci_dev_lock(hdev);
1306 hdev->adv_addr_type = cp->own_address_type;
1307 hci_dev_unlock(hdev);
1308}
1309
93c284ee
AE		 1310static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1311 struct sk_buff *skb)
1312{
1313 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1314
1315 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1316 hdev->name, rp->status, rp->phy_handle);
1317
1318 if (rp->status)
1319 return;
1320
1321 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1322}
1323
5ae76a94
AK		 1324static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1325{
1326 struct hci_rp_read_rssi *rp = (void *) skb->data;
1327 struct hci_conn *conn;
1328
1329 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1330
1331 if (rp->status)
1332 return;
1333
1334 hci_dev_lock(hdev);
1335
1336 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1337 if (conn)
1338 conn->rssi = rp->rssi;
1339
1340 hci_dev_unlock(hdev);
1341}
1342
5a134fae
AK		 1343static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1344{
1345 struct hci_cp_read_tx_power *sent;
1346 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1347 struct hci_conn *conn;
1348
1349 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1350
1351 if (rp->status)
1352 return;
1353
1354 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1355 if (!sent)
1356 return;
1357
1358 hci_dev_lock(hdev);
1359
1360 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1361 if (!conn)
1362 goto unlock;
1363
1364 switch (sent->type) {
1365 case 0x00:
5a134fae 1366 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1367 break;
1368 case 0x01:
1369 conn->max_tx_power = rp->tx_power;
1370 break;
1371 }
5a134fae 1372
d0455ed9 1373unlock:
5a134fae
AK		 1374 hci_dev_unlock(hdev);
1375}
1376
6039aa73 1377static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1378{
9f1db00c 1379 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1380
1381 if (status) {
a9de9248 1382 hci_conn_check_pending(hdev);
314b2381
JH		 1383 return;
1384 }
1385
89352e7d 1386 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1387}
1388
6039aa73 1389static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1390{
a9de9248 1391 struct hci_cp_create_conn *cp;
1da177e4 1392 struct hci_conn *conn;
1da177e4 1393
9f1db00c 1394 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1395
1396 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1397 if (!cp)
1398 return;
1399
1400 hci_dev_lock(hdev);
1401
1402 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1403
6ed93dc6 1404 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1405
1406 if (status) {
1407 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1408 if (status != 0x0c || conn->attempt > 2) {
1409 conn->state = BT_CLOSED;
1410 hci_proto_connect_cfm(conn, status);
1411 hci_conn_del(conn);
1412 } else
1413 conn->state = BT_CONNECT2;
1da177e4
LT		 1414 }
1415 } else {
1416 if (!conn) {
a5c4e309
JH		 1417 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1418 HCI_ROLE_MASTER);
1419 if (!conn)
893ef971 1420 BT_ERR("No memory for new connection");
1da177e4
LT		 1421 }
1422 }
1423
1424 hci_dev_unlock(hdev);
1425}
1426
a9de9248 1427static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1428{
a9de9248
MH		 1429 struct hci_cp_add_sco *cp;
1430 struct hci_conn *acl, *sco;
1431 __u16 handle;
1da177e4 1432
9f1db00c 1433 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1434
a9de9248
MH		 1435 if (!status)
1436 return;
1da177e4 1437
a9de9248
MH		 1438 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1439 if (!cp)
1440 return;
1da177e4 1441
a9de9248 1442 handle = __le16_to_cpu(cp->handle);
1da177e4 1443
9f1db00c 1444 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1445
a9de9248 1446 hci_dev_lock(hdev);
1da177e4 1447
a9de9248 1448 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1449 if (acl) {
1450 sco = acl->link;
1451 if (sco) {
1452 sco->state = BT_CLOSED;
1da177e4 1453
5a08ecce
AE		 1454 hci_proto_connect_cfm(sco, status);
1455 hci_conn_del(sco);
1456 }
a9de9248 1457 }
1da177e4 1458
a9de9248
MH		 1459 hci_dev_unlock(hdev);
1460}
1da177e4 1461
f8558555
MH		 1462static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1463{
1464 struct hci_cp_auth_requested *cp;
1465 struct hci_conn *conn;
1466
9f1db00c 1467 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1468
1469 if (!status)
1470 return;
1471
1472 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1473 if (!cp)
1474 return;
1475
1476 hci_dev_lock(hdev);
1477
1478 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1479 if (conn) {
1480 if (conn->state == BT_CONFIG) {
1481 hci_proto_connect_cfm(conn, status);
76a68ba0 1482 hci_conn_drop(conn);
f8558555
MH		 1483 }
1484 }
1485
1486 hci_dev_unlock(hdev);
1487}
1488
1489static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1490{
1491 struct hci_cp_set_conn_encrypt *cp;
1492 struct hci_conn *conn;
1493
9f1db00c 1494 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1495
1496 if (!status)
1497 return;
1498
1499 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1500 if (!cp)
1501 return;
1502
1503 hci_dev_lock(hdev);
1504
1505 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1506 if (conn) {
1507 if (conn->state == BT_CONFIG) {
1508 hci_proto_connect_cfm(conn, status);
76a68ba0 1509 hci_conn_drop(conn);
f8558555
MH		 1510 }
1511 }
1512
1513 hci_dev_unlock(hdev);
1514}
1515
127178d2 1516static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1517 struct hci_conn *conn)
392599b9 1518{
392599b9
JH		 1519 if (conn->state != BT_CONFIG || !conn->out)
1520 return 0;
1521
765c2a96 1522 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1523 return 0;
1524
1525 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1526 * devices with sec_level MEDIUM or HIGH or if MITM protection
1527 * is requested.
1528 */
807deac2 1529 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1530 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1531 conn->pending_sec_level != BT_SECURITY_HIGH &&
1532 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1533 return 0;
1534
392599b9
JH		 1535 return 1;
1536}
1537
6039aa73 1538static int hci_resolve_name(struct hci_dev *hdev,
04124681 1539 struct inquiry_entry *e)
30dc78e1
JH		 1540{
1541 struct hci_cp_remote_name_req cp;
1542
1543 memset(&cp, 0, sizeof(cp));
1544
1545 bacpy(&cp.bdaddr, &e->data.bdaddr);
1546 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1547 cp.pscan_mode = e->data.pscan_mode;
1548 cp.clock_offset = e->data.clock_offset;
1549
1550 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1551}
1552
b644ba33 1553static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1554{
1555 struct discovery_state *discov = &hdev->discovery;
1556 struct inquiry_entry *e;
1557
b644ba33
JH		 1558 if (list_empty(&discov->resolve))
1559 return false;
1560
1561 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1562 if (!e)
1563 return false;
1564
b644ba33
JH		 1565 if (hci_resolve_name(hdev, e) == 0) {
1566 e->name_state = NAME_PENDING;
1567 return true;
1568 }
1569
1570 return false;
1571}
1572
1573static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1574 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1575{
1576 struct discovery_state *discov = &hdev->discovery;
1577 struct inquiry_entry *e;
1578
1579 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP		 1580 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1581 name_len, conn->dev_class);
b644ba33
JH		 1582
1583 if (discov->state == DISCOVERY_STOPPED)
1584 return;
1585
30dc78e1
JH		 1586 if (discov->state == DISCOVERY_STOPPING)
1587 goto discov_complete;
1588
1589 if (discov->state != DISCOVERY_RESOLVING)
1590 return;
1591
1592 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1593 /* If the device was not found in a list of found devices names of which
1594 * are pending. there is no need to continue resolving a next name as it
1595 * will be done upon receiving another Remote Name Request Complete
1596 * Event */
1597 if (!e)
1598 return;
1599
1600 list_del(&e->list);
1601 if (name) {
30dc78e1 1602 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1603 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1604 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1605 } else {
1606 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1607 }
1608
b644ba33 1609 if (hci_resolve_next_name(hdev))
30dc78e1 1610 return;
30dc78e1
JH		 1611
1612discov_complete:
1613 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1614}
1615
a9de9248
MH		 1616static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1617{
127178d2
JH		 1618 struct hci_cp_remote_name_req *cp;
1619 struct hci_conn *conn;
1620
9f1db00c 1621 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1622
1623 /* If successful wait for the name req complete event before
1624 * checking for the need to do authentication */
1625 if (!status)
1626 return;
1627
1628 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1629 if (!cp)
1630 return;
1631
1632 hci_dev_lock(hdev);
1633
b644ba33
JH		 1634 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1635
a8b2d5c2 1636 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1637 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1638
79c6c70c
JH		 1639 if (!conn)
1640 goto unlock;
1641
1642 if (!hci_outgoing_auth_needed(hdev, conn))
1643 goto unlock;
1644
51a8efd7 1645 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1646 struct hci_cp_auth_requested auth_cp;
1647
977f8fce
JH		 1648 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1649
c1f23a2b
JB		 1650 auth_cp.handle = __cpu_to_le16(conn->handle);
1651 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1652 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1653 }
1654
79c6c70c 1655unlock:
127178d2 1656 hci_dev_unlock(hdev);
a9de9248 1657}
1da177e4 1658
769be974
MH		 1659static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1660{
1661 struct hci_cp_read_remote_features *cp;
1662 struct hci_conn *conn;
1663
9f1db00c 1664 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1665
1666 if (!status)
1667 return;
1668
1669 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1670 if (!cp)
1671 return;
1672
1673 hci_dev_lock(hdev);
1674
1675 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1676 if (conn) {
1677 if (conn->state == BT_CONFIG) {
769be974 1678 hci_proto_connect_cfm(conn, status);
76a68ba0 1679 hci_conn_drop(conn);
769be974
MH		 1680 }
1681 }
1682
1683 hci_dev_unlock(hdev);
1684}
1685
1686static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1687{
1688 struct hci_cp_read_remote_ext_features *cp;
1689 struct hci_conn *conn;
1690
9f1db00c 1691 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1692
1693 if (!status)
1694 return;
1695
1696 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1697 if (!cp)
1698 return;
1699
1700 hci_dev_lock(hdev);
1701
1702 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1703 if (conn) {
1704 if (conn->state == BT_CONFIG) {
769be974 1705 hci_proto_connect_cfm(conn, status);
76a68ba0 1706 hci_conn_drop(conn);
769be974
MH		 1707 }
1708 }
1709
1710 hci_dev_unlock(hdev);
1711}
1712
a9de9248
MH		 1713static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1714{
b6a0dc82
MH		 1715 struct hci_cp_setup_sync_conn *cp;
1716 struct hci_conn *acl, *sco;
1717 __u16 handle;
1718
9f1db00c 1719 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1720
1721 if (!status)
1722 return;
1723
1724 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1725 if (!cp)
1726 return;
1727
1728 handle = __le16_to_cpu(cp->handle);
1729
9f1db00c 1730 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1731
1732 hci_dev_lock(hdev);
1733
1734 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1735 if (acl) {
1736 sco = acl->link;
1737 if (sco) {
1738 sco->state = BT_CLOSED;
b6a0dc82 1739
5a08ecce
AE		 1740 hci_proto_connect_cfm(sco, status);
1741 hci_conn_del(sco);
1742 }
b6a0dc82
MH		 1743 }
1744
1745 hci_dev_unlock(hdev);
1da177e4
LT		 1746}
1747
a9de9248 1748static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1749{
a9de9248
MH		 1750 struct hci_cp_sniff_mode *cp;
1751 struct hci_conn *conn;
1da177e4 1752
9f1db00c 1753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1754
a9de9248
MH		 1755 if (!status)
1756 return;
04837f64 1757
a9de9248
MH		 1758 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1759 if (!cp)
1760 return;
04837f64 1761
a9de9248 1762 hci_dev_lock(hdev);
04837f64 1763
a9de9248 1764 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1765 if (conn) {
51a8efd7 1766 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1767
51a8efd7 1768 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1769 hci_sco_setup(conn, status);
1770 }
1771
a9de9248
MH		 1772 hci_dev_unlock(hdev);
1773}
04837f64 1774
a9de9248
MH		 1775static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1776{
1777 struct hci_cp_exit_sniff_mode *cp;
1778 struct hci_conn *conn;
04837f64 1779
9f1db00c 1780 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1781
a9de9248
MH		 1782 if (!status)
1783 return;
04837f64 1784
a9de9248
MH		 1785 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1786 if (!cp)
1787 return;
04837f64 1788
a9de9248 1789 hci_dev_lock(hdev);
1da177e4 1790
a9de9248 1791 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1792 if (conn) {
51a8efd7 1793 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1794
51a8efd7 1795 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1796 hci_sco_setup(conn, status);
1797 }
1798
a9de9248 1799 hci_dev_unlock(hdev);
1da177e4
LT		 1800}
1801
88c3df13
JH		 1802static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1803{
1804 struct hci_cp_disconnect *cp;
1805 struct hci_conn *conn;
1806
1807 if (!status)
1808 return;
1809
1810 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1811 if (!cp)
1812 return;
1813
1814 hci_dev_lock(hdev);
1815
1816 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1817 if (conn)
1818 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1819 conn->dst_type, status);
88c3df13
JH		 1820
1821 hci_dev_unlock(hdev);
1822}
1823
a02226d6
AE		 1824static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1825{
93c284ee
AE		 1826 struct hci_cp_create_phy_link *cp;
1827
a02226d6 1828 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1829
93c284ee
AE		 1830 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1831 if (!cp)
1832 return;
1833
e58917b9
AE		 1834 hci_dev_lock(hdev);
1835
1836 if (status) {
1837 struct hci_conn *hcon;
1838
1839 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1840 if (hcon)
1841 hci_conn_del(hcon);
1842 } else {
1843 amp_write_remote_assoc(hdev, cp->phy_handle);
1844 }
1845
1846 hci_dev_unlock(hdev);
a02226d6
AE		 1847}
1848
0b26ab9d
AE		 1849static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1850{
1851 struct hci_cp_accept_phy_link *cp;
1852
1853 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1854
1855 if (status)
1856 return;
1857
1858 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1859 if (!cp)
1860 return;
1861
1862 amp_write_remote_assoc(hdev, cp->phy_handle);
1863}
1864
cb1d68f7
JH		 1865static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1866{
1867 struct hci_cp_le_create_conn *cp;
1868 struct hci_conn *conn;
1869
1870 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1871
1872 /* All connection failure handling is taken care of by the
1873 * hci_le_conn_failed function which is triggered by the HCI
1874 * request completion callbacks used for connecting.
1875 */
1876 if (status)
1877 return;
1878
1879 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1880 if (!cp)
1881 return;
1882
1883 hci_dev_lock(hdev);
1884
1885 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1886 if (!conn)
1887 goto unlock;
1888
1889 /* Store the initiator and responder address information which
1890 * is needed for SMP. These values will not change during the
1891 * lifetime of the connection.
1892 */
1893 conn->init_addr_type = cp->own_address_type;
1894 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1895 bacpy(&conn->init_addr, &hdev->random_addr);
1896 else
1897 bacpy(&conn->init_addr, &hdev->bdaddr);
1898
1899 conn->resp_addr_type = cp->peer_addr_type;
1900 bacpy(&conn->resp_addr, &cp->peer_addr);
1901
9489eca4
JH		 1902 /* We don't want the connection attempt to stick around
1903 * indefinitely since LE doesn't have a page timeout concept
1904 * like BR/EDR. Set a timer for any connection that doesn't use
1905 * the white list for connecting.
1906 */
1907 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1908 queue_delayed_work(conn->hdev->workqueue,
1909 &conn->le_conn_timeout,
09ae260b 1910 conn->conn_timeout);
9489eca4 1911
cb1d68f7
JH		 1912unlock:
1913 hci_dev_unlock(hdev);
1914}
1915
81d0c8ad
JH		 1916static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1917{
1918 struct hci_cp_le_start_enc *cp;
1919 struct hci_conn *conn;
1920
1921 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1922
1923 if (!status)
1924 return;
1925
1926 hci_dev_lock(hdev);
1927
1928 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1929 if (!cp)
1930 goto unlock;
1931
1932 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1933 if (!conn)
1934 goto unlock;
1935
1936 if (conn->state != BT_CONNECTED)
1937 goto unlock;
1938
1939 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1940 hci_conn_drop(conn);
1941
1942unlock:
1943 hci_dev_unlock(hdev);
1944}
1945
6039aa73 1946static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1947{
1948 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1949 struct discovery_state *discov = &hdev->discovery;
1950 struct inquiry_entry *e;
1da177e4 1951
9f1db00c 1952 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1953
a9de9248 1954 hci_conn_check_pending(hdev);
89352e7d
AG		 1955
1956 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1957 return;
1958
4e857c58 1959 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1960 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1961
a8b2d5c2 1962 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1963 return;
1964
56e5cb86 1965 hci_dev_lock(hdev);
30dc78e1 1966
343f935b 1967 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1968 goto unlock;
1969
1970 if (list_empty(&discov->resolve)) {
1971 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1972 goto unlock;
1973 }
1974
1975 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1976 if (e && hci_resolve_name(hdev, e) == 0) {
1977 e->name_state = NAME_PENDING;
1978 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1979 } else {
1980 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1981 }
1982
1983unlock:
56e5cb86 1984 hci_dev_unlock(hdev);
1da177e4
LT		 1985}
1986
6039aa73 1987static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1988{
45bb4bf0 1989 struct inquiry_data data;
a9de9248 1990 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1991 int num_rsp = *((__u8 *) skb->data);
1992
1993 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1994
45bb4bf0
MH		 1995 if (!num_rsp)
1996 return;
1997
1519cc17
AG		 1998 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1999 return;
2000
1da177e4 2001 hci_dev_lock(hdev);
45bb4bf0 2002
e17acd40 2003 for (; num_rsp; num_rsp--, info++) {
af58925c 2004 u32 flags;
3175405b 2005
1da177e4
LT		 2006 bacpy(&data.bdaddr, &info->bdaddr);
2007 data.pscan_rep_mode = info->pscan_rep_mode;
2008 data.pscan_period_mode = info->pscan_period_mode;
2009 data.pscan_mode = info->pscan_mode;
2010 memcpy(data.dev_class, info->dev_class, 3);
2011 data.clock_offset = info->clock_offset;
2012 data.rssi = 0x00;
41a96212 2013 data.ssp_mode = 0x00;
3175405b 2014
af58925c
MH		 2015 flags = hci_inquiry_cache_update(hdev, &data, false);
2016
48264f06 2017 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2018 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2019 }
45bb4bf0 2020
1da177e4
LT		 2021 hci_dev_unlock(hdev);
2022}
2023
6039aa73 2024static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2025{
a9de9248
MH		 2026 struct hci_ev_conn_complete *ev = (void *) skb->data;
2027 struct hci_conn *conn;
1da177e4
LT		 2028
2029 BT_DBG("%s", hdev->name);
2030
2031 hci_dev_lock(hdev);
2032
2033 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2034 if (!conn) {
2035 if (ev->link_type != SCO_LINK)
2036 goto unlock;
2037
2038 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2039 if (!conn)
2040 goto unlock;
2041
2042 conn->type = SCO_LINK;
2043 }
1da177e4
LT		 2044
2045 if (!ev->status) {
2046 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2047
2048 if (conn->type == ACL_LINK) {
2049 conn->state = BT_CONFIG;
2050 hci_conn_hold(conn);
a9ea3ed9
SJ		 2051
2052 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2053 !hci_find_link_key(hdev, &ev->bdaddr))
2054 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2055 else
2056 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2057 } else
2058 conn->state = BT_CONNECTED;
1da177e4 2059
7d0db0a3
MH		 2060 hci_conn_add_sysfs(conn);
2061
1da177e4 2062 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2063 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2064
2065 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2066 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2067
04837f64
MH		 2068 /* Get remote features */
2069 if (conn->type == ACL_LINK) {
2070 struct hci_cp_read_remote_features cp;
2071 cp.handle = ev->handle;
769be974 2072 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2073 sizeof(cp), &cp);
22f433dc
JH		 2074
2075 hci_update_page_scan(hdev, NULL);
04837f64
MH		 2076 }
2077
1da177e4 2078 /* Set packet type for incoming connection */
d095c1eb 2079 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2080 struct hci_cp_change_conn_ptype cp;
2081 cp.handle = ev->handle;
a8746417 2082 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2083 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2084 &cp);
1da177e4 2085 }
17d5c04c 2086 } else {
1da177e4 2087 conn->state = BT_CLOSED;
17d5c04c 2088 if (conn->type == ACL_LINK)
64c7b77c 2089 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2090 conn->dst_type, ev->status);
17d5c04c 2091 }
1da177e4 2092
e73439d8
MH		 2093 if (conn->type == ACL_LINK)
2094 hci_sco_setup(conn, ev->status);
1da177e4 2095
769be974
MH		 2096 if (ev->status) {
2097 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2098 hci_conn_del(conn);
c89b6e6b
MH		 2099 } else if (ev->link_type != ACL_LINK)
2100 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2101
a9de9248 2102unlock:
1da177e4 2103 hci_dev_unlock(hdev);
1da177e4 2104
a9de9248 2105 hci_conn_check_pending(hdev);
1da177e4
LT		 2106}
2107
70c46425
JH		 2108static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2109{
2110 struct hci_cp_reject_conn_req cp;
2111
2112 bacpy(&cp.bdaddr, bdaddr);
2113 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2114 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2115}
2116
6039aa73 2117static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2118{
a9de9248
MH		 2119 struct hci_ev_conn_request *ev = (void *) skb->data;
2120 int mask = hdev->link_mode;
70c46425
JH		 2121 struct inquiry_entry *ie;
2122 struct hci_conn *conn;
20714bfe 2123 __u8 flags = 0;
1da177e4 2124
6ed93dc6 2125 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2126 ev->link_type);
1da177e4 2127
20714bfe
FD		 2128 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2129 &flags);
1da177e4 2130
70c46425
JH		 2131 if (!(mask & HCI_LM_ACCEPT)) {
2132 hci_reject_conn(hdev, &ev->bdaddr);
2133 return;
2134 }
2135
46c4c941
JH		 2136 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2137 BDADDR_BREDR)) {
2138 hci_reject_conn(hdev, &ev->bdaddr);
2139 return;
2140 }
2141
2142 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2143 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2144 BDADDR_BREDR)) {
2145 hci_reject_conn(hdev, &ev->bdaddr);
2146 return;
70c46425 2147 }
1da177e4 2148
70c46425 2149 /* Connection accepted */
b6a0dc82 2150
70c46425
JH		 2151 hci_dev_lock(hdev);
2152
2153 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2154 if (ie)
2155 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2156
70c46425
JH		 2157 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2158 &ev->bdaddr);
2159 if (!conn) {
a5c4e309
JH		 2160 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2161 HCI_ROLE_SLAVE);
a9de9248 2162 if (!conn) {
70c46425
JH		 2163 BT_ERR("No memory for new connection");
2164 hci_dev_unlock(hdev);
2165 return;
1da177e4 2166 }
70c46425 2167 }
b6a0dc82 2168
70c46425 2169 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2170
70c46425 2171 hci_dev_unlock(hdev);
1da177e4 2172
70c46425
JH		 2173 if (ev->link_type == ACL_LINK ||
2174 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2175 struct hci_cp_accept_conn_req cp;
2176 conn->state = BT_CONNECT;
1da177e4 2177
70c46425 2178 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2179
70c46425
JH		 2180 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2181 cp.role = 0x00; /* Become master */
2182 else
2183 cp.role = 0x01; /* Remain slave */
b6a0dc82 2184
70c46425
JH		 2185 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2186 } else if (!(flags & HCI_PROTO_DEFER)) {
2187 struct hci_cp_accept_sync_conn_req cp;
2188 conn->state = BT_CONNECT;
b6a0dc82 2189
70c46425
JH		 2190 bacpy(&cp.bdaddr, &ev->bdaddr);
2191 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2192
70c46425
JH		 2193 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2194 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2195 cp.max_latency = cpu_to_le16(0xffff);
2196 cp.content_format = cpu_to_le16(hdev->voice_setting);
2197 cp.retrans_effort = 0xff;
1da177e4 2198
70c46425
JH		 2199 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2200 &cp);
a9de9248 2201 } else {
70c46425
JH		 2202 conn->state = BT_CONNECT2;
2203 hci_proto_connect_cfm(conn, 0);
1da177e4 2204 }
1da177e4
LT		 2205}
2206
f0d6a0ea
MA		 2207static u8 hci_to_mgmt_reason(u8 err)
2208{
2209 switch (err) {
2210 case HCI_ERROR_CONNECTION_TIMEOUT:
2211 return MGMT_DEV_DISCONN_TIMEOUT;
2212 case HCI_ERROR_REMOTE_USER_TERM:
2213 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2214 case HCI_ERROR_REMOTE_POWER_OFF:
2215 return MGMT_DEV_DISCONN_REMOTE;
2216 case HCI_ERROR_LOCAL_HOST_TERM:
2217 return MGMT_DEV_DISCONN_LOCAL_HOST;
2218 default:
2219 return MGMT_DEV_DISCONN_UNKNOWN;
2220 }
2221}
2222
6039aa73 2223static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2224{
a9de9248 2225 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2226 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2227 struct hci_conn_params *params;
04837f64 2228 struct hci_conn *conn;
12d4a3b2 2229 bool mgmt_connected;
3846220b 2230 u8 type;
04837f64 2231
9f1db00c 2232 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2233
2234 hci_dev_lock(hdev);
2235
2236 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2237 if (!conn)
2238 goto unlock;
7d0db0a3 2239
abf54a50
AG		 2240 if (ev->status) {
2241 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2242 conn->dst_type, ev->status);
2243 goto unlock;
37d9ef76 2244 }
f7520543 2245
3846220b
AG		 2246 conn->state = BT_CLOSED;
2247
12d4a3b2
JH		 2248 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2249 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2250 reason, mgmt_connected);
abf54a50 2251
22f433dc
JH		 2252 if (conn->type == ACL_LINK) {
2253 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2254 hci_remove_link_key(hdev, &conn->dst);
2255
2256 hci_update_page_scan(hdev, NULL);
2257 }
2210246c 2258
9fcb18ef
AG		 2259 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2260 if (params) {
2261 switch (params->auto_connect) {
2262 case HCI_AUTO_CONN_LINK_LOSS:
2263 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2264 break;
2265 /* Fall through */
2266
4b9e7e75 2267 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2268 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2269 list_del_init(&params->action);
2270 list_add(&params->action, &hdev->pend_le_conns);
2271 hci_update_background_scan(hdev);
9fcb18ef
AG		 2272 break;
2273
2274 default:
2275 break;
2276 }
2277 }
2278
3846220b 2279 type = conn->type;
2210246c 2280
3846220b
AG		 2281 hci_proto_disconn_cfm(conn, ev->reason);
2282 hci_conn_del(conn);
2283
2284 /* Re-enable advertising if necessary, since it might
2285 * have been disabled by the connection. From the
2286 * HCI_LE_Set_Advertise_Enable command description in
2287 * the core specification (v4.0):
2288 * "The Controller shall continue advertising until the Host
2289 * issues an LE_Set_Advertise_Enable command with
2290 * Advertising_Enable set to 0x00 (Advertising is disabled)
2291 * or until a connection is created or until the Advertising
2292 * is timed out due to Directed Advertising."
2293 */
2294 if (type == LE_LINK)
2295 mgmt_reenable_advertising(hdev);
f7520543
JH		 2296
2297unlock:
04837f64
MH		 2298 hci_dev_unlock(hdev);
2299}
2300
6039aa73 2301static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2302{
a9de9248 2303 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2304 struct hci_conn *conn;
1da177e4 2305
9f1db00c 2306 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2307
2308 hci_dev_lock(hdev);
2309
04837f64 2310 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2311 if (!conn)
2312 goto unlock;
2313
2314 if (!ev->status) {
aa64a8b5 2315 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2316 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2317 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2318 } else {
4dae2798 2319 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2320 conn->sec_level = conn->pending_sec_level;
2a611692 2321 }
d7556e20 2322 } else {
bab73cb6 2323 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 2324 ev->status);
d7556e20 2325 }
1da177e4 2326
51a8efd7
JH		 2327 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2328 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2329
d7556e20 2330 if (conn->state == BT_CONFIG) {
aa64a8b5 2331 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2332 struct hci_cp_set_conn_encrypt cp;
2333 cp.handle = ev->handle;
2334 cp.encrypt = 0x01;
2335 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2336 &cp);
052b30b0 2337 } else {
d7556e20
WR		 2338 conn->state = BT_CONNECTED;
2339 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2340 hci_conn_drop(conn);
052b30b0 2341 }
d7556e20
WR		 2342 } else {
2343 hci_auth_cfm(conn, ev->status);
052b30b0 2344
d7556e20
WR		 2345 hci_conn_hold(conn);
2346 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2347 hci_conn_drop(conn);
d7556e20
WR		 2348 }
2349
51a8efd7 2350 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2351 if (!ev->status) {
2352 struct hci_cp_set_conn_encrypt cp;
2353 cp.handle = ev->handle;
2354 cp.encrypt = 0x01;
2355 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2356 &cp);
d7556e20 2357 } else {
51a8efd7 2358 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2359 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2360 }
2361 }
2362
d7556e20 2363unlock:
1da177e4
LT		 2364 hci_dev_unlock(hdev);
2365}
2366
6039aa73 2367static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2368{
127178d2
JH		 2369 struct hci_ev_remote_name *ev = (void *) skb->data;
2370 struct hci_conn *conn;
2371
a9de9248 2372 BT_DBG("%s", hdev->name);
1da177e4 2373
a9de9248 2374 hci_conn_check_pending(hdev);
127178d2
JH		 2375
2376 hci_dev_lock(hdev);
2377
b644ba33 2378 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2379
b644ba33
JH		 2380 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2381 goto check_auth;
a88a9652 2382
b644ba33
JH		 2383 if (ev->status == 0)
2384 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2385 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2386 else
2387 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2388
2389check_auth:
79c6c70c
JH		 2390 if (!conn)
2391 goto unlock;
2392
2393 if (!hci_outgoing_auth_needed(hdev, conn))
2394 goto unlock;
2395
51a8efd7 2396 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2397 struct hci_cp_auth_requested cp;
977f8fce
JH		 2398
2399 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2400
127178d2
JH		 2401 cp.handle = __cpu_to_le16(conn->handle);
2402 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2403 }
2404
79c6c70c 2405unlock:
127178d2 2406 hci_dev_unlock(hdev);
a9de9248
MH		 2407}
2408
6039aa73 2409static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2410{
2411 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2412 struct hci_conn *conn;
2413
9f1db00c 2414 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2415
2416 hci_dev_lock(hdev);
2417
04837f64 2418 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2419 if (!conn)
2420 goto unlock;
1da177e4 2421
dc8357cc
MH		 2422 if (!ev->status) {
2423 if (ev->encrypt) {
2424 /* Encryption implies authentication */
4dae2798
JH		 2425 set_bit(HCI_CONN_AUTH, &conn->flags);
2426 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2427 conn->sec_level = conn->pending_sec_level;
abf76bad 2428
914a6ffe
MH		 2429 /* P-256 authentication key implies FIPS */
2430 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2431 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2432
abf76bad
MH		 2433 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2434 conn->type == LE_LINK)
2435 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2436 } else {
4dae2798 2437 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2438 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2439 }
dc8357cc 2440 }
a7d7723a 2441
dc8357cc 2442 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2443
dc8357cc
MH		 2444 if (ev->status && conn->state == BT_CONNECTED) {
2445 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2446 hci_conn_drop(conn);
2447 goto unlock;
1da177e4
LT		 2448 }
2449
dc8357cc
MH		 2450 if (conn->state == BT_CONFIG) {
2451 if (!ev->status)
2452 conn->state = BT_CONNECTED;
2453
40b552aa
MH		 2454 /* In Secure Connections Only mode, do not allow any
2455 * connections that are not encrypted with AES-CCM
2456 * using a P-256 authenticated combination key.
2457 */
2458 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2459 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2460 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2461 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2462 hci_conn_drop(conn);
2463 goto unlock;
2464 }
2465
dc8357cc
MH		 2466 hci_proto_connect_cfm(conn, ev->status);
2467 hci_conn_drop(conn);
2468 } else
2469 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2470
a7d7723a 2471unlock:
1da177e4
LT		 2472 hci_dev_unlock(hdev);
2473}
2474
6039aa73
GP		 2475static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2476 struct sk_buff *skb)
1da177e4 2477{
a9de9248 2478 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2479 struct hci_conn *conn;
1da177e4 2480
9f1db00c 2481 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2482
2483 hci_dev_lock(hdev);
2484
04837f64 2485 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2486 if (conn) {
2487 if (!ev->status)
4dae2798 2488 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2489
51a8efd7 2490 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2491
2492 hci_key_change_cfm(conn, ev->status);
2493 }
2494
2495 hci_dev_unlock(hdev);
2496}
2497
6039aa73
GP		 2498static void hci_remote_features_evt(struct hci_dev *hdev,
2499 struct sk_buff *skb)
1da177e4 2500{
a9de9248
MH		 2501 struct hci_ev_remote_features *ev = (void *) skb->data;
2502 struct hci_conn *conn;
2503
9f1db00c 2504 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2505
a9de9248
MH		 2506 hci_dev_lock(hdev);
2507
2508 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2509 if (!conn)
2510 goto unlock;
769be974 2511
ccd556fe 2512 if (!ev->status)
cad718ed 2513 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2514
2515 if (conn->state != BT_CONFIG)
2516 goto unlock;
2517
2518 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2519 struct hci_cp_read_remote_ext_features cp;
2520 cp.handle = ev->handle;
2521 cp.page = 0x01;
2522 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2523 sizeof(cp), &cp);
392599b9
JH		 2524 goto unlock;
2525 }
2526
671267bf 2527 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2528 struct hci_cp_remote_name_req cp;
2529 memset(&cp, 0, sizeof(cp));
2530 bacpy(&cp.bdaddr, &conn->dst);
2531 cp.pscan_rep_mode = 0x02;
2532 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2533 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2534 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2535 conn->dst_type, 0, NULL, 0,
2536 conn->dev_class);
392599b9 2537
127178d2 2538 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2539 conn->state = BT_CONNECTED;
2540 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2541 hci_conn_drop(conn);
769be974 2542 }
a9de9248 2543
ccd556fe 2544unlock:
a9de9248 2545 hci_dev_unlock(hdev);
1da177e4
LT		 2546}
2547
6039aa73 2548static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2549{
2550 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2551 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2552 __u16 opcode;
2553
2554 skb_pull(skb, sizeof(*ev));
2555
2556 opcode = __le16_to_cpu(ev->opcode);
2557
2558 switch (opcode) {
2559 case HCI_OP_INQUIRY_CANCEL:
2560 hci_cc_inquiry_cancel(hdev, skb);
2561 break;
2562
4d93483b
AG		 2563 case HCI_OP_PERIODIC_INQ:
2564 hci_cc_periodic_inq(hdev, skb);
2565 break;
2566
a9de9248
MH		 2567 case HCI_OP_EXIT_PERIODIC_INQ:
2568 hci_cc_exit_periodic_inq(hdev, skb);
2569 break;
2570
2571 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2572 hci_cc_remote_name_req_cancel(hdev, skb);
2573 break;
2574
2575 case HCI_OP_ROLE_DISCOVERY:
2576 hci_cc_role_discovery(hdev, skb);
2577 break;
2578
e4e8e37c
MH		 2579 case HCI_OP_READ_LINK_POLICY:
2580 hci_cc_read_link_policy(hdev, skb);
2581 break;
2582
a9de9248
MH		 2583 case HCI_OP_WRITE_LINK_POLICY:
2584 hci_cc_write_link_policy(hdev, skb);
2585 break;
2586
e4e8e37c
MH		 2587 case HCI_OP_READ_DEF_LINK_POLICY:
2588 hci_cc_read_def_link_policy(hdev, skb);
2589 break;
2590
2591 case HCI_OP_WRITE_DEF_LINK_POLICY:
2592 hci_cc_write_def_link_policy(hdev, skb);
2593 break;
2594
a9de9248
MH		 2595 case HCI_OP_RESET:
2596 hci_cc_reset(hdev, skb);
2597 break;
2598
2599 case HCI_OP_WRITE_LOCAL_NAME:
2600 hci_cc_write_local_name(hdev, skb);
2601 break;
2602
2603 case HCI_OP_READ_LOCAL_NAME:
2604 hci_cc_read_local_name(hdev, skb);
2605 break;
2606
2607 case HCI_OP_WRITE_AUTH_ENABLE:
2608 hci_cc_write_auth_enable(hdev, skb);
2609 break;
2610
2611 case HCI_OP_WRITE_ENCRYPT_MODE:
2612 hci_cc_write_encrypt_mode(hdev, skb);
2613 break;
2614
2615 case HCI_OP_WRITE_SCAN_ENABLE:
2616 hci_cc_write_scan_enable(hdev, skb);
2617 break;
2618
2619 case HCI_OP_READ_CLASS_OF_DEV:
2620 hci_cc_read_class_of_dev(hdev, skb);
2621 break;
2622
2623 case HCI_OP_WRITE_CLASS_OF_DEV:
2624 hci_cc_write_class_of_dev(hdev, skb);
2625 break;
2626
2627 case HCI_OP_READ_VOICE_SETTING:
2628 hci_cc_read_voice_setting(hdev, skb);
2629 break;
2630
2631 case HCI_OP_WRITE_VOICE_SETTING:
2632 hci_cc_write_voice_setting(hdev, skb);
2633 break;
2634
b4cb9fb2
MH		 2635 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2636 hci_cc_read_num_supported_iac(hdev, skb);
2637 break;
2638
333140b5
MH		 2639 case HCI_OP_WRITE_SSP_MODE:
2640 hci_cc_write_ssp_mode(hdev, skb);
2641 break;
2642
eac83dc6
MH		 2643 case HCI_OP_WRITE_SC_SUPPORT:
2644 hci_cc_write_sc_support(hdev, skb);
2645 break;
2646
a9de9248
MH		 2647 case HCI_OP_READ_LOCAL_VERSION:
2648 hci_cc_read_local_version(hdev, skb);
2649 break;
2650
2651 case HCI_OP_READ_LOCAL_COMMANDS:
2652 hci_cc_read_local_commands(hdev, skb);
2653 break;
2654
2655 case HCI_OP_READ_LOCAL_FEATURES:
2656 hci_cc_read_local_features(hdev, skb);
2657 break;
2658
971e3a4b
AG		 2659 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2660 hci_cc_read_local_ext_features(hdev, skb);
2661 break;
2662
a9de9248
MH		 2663 case HCI_OP_READ_BUFFER_SIZE:
2664 hci_cc_read_buffer_size(hdev, skb);
2665 break;
2666
2667 case HCI_OP_READ_BD_ADDR:
2668 hci_cc_read_bd_addr(hdev, skb);
2669 break;
2670
f332ec66
JH		 2671 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2672 hci_cc_read_page_scan_activity(hdev, skb);
2673 break;
2674
4a3ee763
JH		 2675 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2676 hci_cc_write_page_scan_activity(hdev, skb);
2677 break;
2678
f332ec66
JH		 2679 case HCI_OP_READ_PAGE_SCAN_TYPE:
2680 hci_cc_read_page_scan_type(hdev, skb);
2681 break;
2682
4a3ee763
JH		 2683 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2684 hci_cc_write_page_scan_type(hdev, skb);
2685 break;
2686
350ee4cf
AE		 2687 case HCI_OP_READ_DATA_BLOCK_SIZE:
2688 hci_cc_read_data_block_size(hdev, skb);
2689 break;
2690
1e89cffb
AE		 2691 case HCI_OP_READ_FLOW_CONTROL_MODE:
2692 hci_cc_read_flow_control_mode(hdev, skb);
2693 break;
2694
928abaa7
AE		 2695 case HCI_OP_READ_LOCAL_AMP_INFO:
2696 hci_cc_read_local_amp_info(hdev, skb);
2697 break;
2698
33f35721
JH		 2699 case HCI_OP_READ_CLOCK:
2700 hci_cc_read_clock(hdev, skb);
2701 break;
2702
903e4541
AE		 2703 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2704 hci_cc_read_local_amp_assoc(hdev, skb);
2705 break;
2706
d5859e22
JH		 2707 case HCI_OP_READ_INQ_RSP_TX_POWER:
2708 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2709 break;
2710
980e1a53
JH		 2711 case HCI_OP_PIN_CODE_REPLY:
2712 hci_cc_pin_code_reply(hdev, skb);
2713 break;
2714
2715 case HCI_OP_PIN_CODE_NEG_REPLY:
2716 hci_cc_pin_code_neg_reply(hdev, skb);
2717 break;
2718
c35938b2 2719 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2720 hci_cc_read_local_oob_data(hdev, skb);
2721 break;
2722
2723 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2724 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2725 break;
2726
6ed58ec5
VT		 2727 case HCI_OP_LE_READ_BUFFER_SIZE:
2728 hci_cc_le_read_buffer_size(hdev, skb);
2729 break;
2730
60e77321
JH		 2731 case HCI_OP_LE_READ_LOCAL_FEATURES:
2732 hci_cc_le_read_local_features(hdev, skb);
2733 break;
2734
8fa19098
JH		 2735 case HCI_OP_LE_READ_ADV_TX_POWER:
2736 hci_cc_le_read_adv_tx_power(hdev, skb);
2737 break;
2738
a5c29683
JH		 2739 case HCI_OP_USER_CONFIRM_REPLY:
2740 hci_cc_user_confirm_reply(hdev, skb);
2741 break;
2742
2743 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2744 hci_cc_user_confirm_neg_reply(hdev, skb);
2745 break;
2746
1143d458
BG		 2747 case HCI_OP_USER_PASSKEY_REPLY:
2748 hci_cc_user_passkey_reply(hdev, skb);
2749 break;
2750
2751 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2752 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2753 break;
07f7fa5d 2754
7a4cd51d
MH		 2755 case HCI_OP_LE_SET_RANDOM_ADDR:
2756 hci_cc_le_set_random_addr(hdev, skb);
2757 break;
2758
c1d5dc4a
JH		 2759 case HCI_OP_LE_SET_ADV_ENABLE:
2760 hci_cc_le_set_adv_enable(hdev, skb);
2761 break;
2762
533553f8
MH		 2763 case HCI_OP_LE_SET_SCAN_PARAM:
2764 hci_cc_le_set_scan_param(hdev, skb);
2765 break;
2766
eb9d91f5
AG		 2767 case HCI_OP_LE_SET_SCAN_ENABLE:
2768 hci_cc_le_set_scan_enable(hdev, skb);
2769 break;
2770
cf1d081f
JH		 2771 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2772 hci_cc_le_read_white_list_size(hdev, skb);
2773 break;
2774
0f36b589
MH		 2775 case HCI_OP_LE_CLEAR_WHITE_LIST:
2776 hci_cc_le_clear_white_list(hdev, skb);
2777 break;
2778
2779 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2780 hci_cc_le_add_to_white_list(hdev, skb);
2781 break;
2782
2783 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2784 hci_cc_le_del_from_white_list(hdev, skb);
2785 break;
2786
9b008c04
JH		 2787 case HCI_OP_LE_READ_SUPPORTED_STATES:
2788 hci_cc_le_read_supported_states(hdev, skb);
2789 break;
2790
f9b49306
AG		 2791 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2792 hci_cc_write_le_host_supported(hdev, skb);
2793 break;
2794
56ed2cb8
JH		 2795 case HCI_OP_LE_SET_ADV_PARAM:
2796 hci_cc_set_adv_param(hdev, skb);
2797 break;
2798
93c284ee
AE		 2799 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2800 hci_cc_write_remote_amp_assoc(hdev, skb);
2801 break;
2802
5ae76a94
AK		 2803 case HCI_OP_READ_RSSI:
2804 hci_cc_read_rssi(hdev, skb);
2805 break;
2806
5a134fae
AK		 2807 case HCI_OP_READ_TX_POWER:
2808 hci_cc_read_tx_power(hdev, skb);
2809 break;
2810
a9de9248 2811 default:
9f1db00c 2812 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2813 break;
2814 }
2815
ad82cdd1 2816 if (opcode != HCI_OP_NOP)
65cc2b49 2817 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2818
ad82cdd1 2819 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2820
dbccd791 2821 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2822 atomic_set(&hdev->cmd_cnt, 1);
2823 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2824 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2825 }
2826}
2827
6039aa73 2828static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2829{
2830 struct hci_ev_cmd_status *ev = (void *) skb->data;
2831 __u16 opcode;
2832
2833 skb_pull(skb, sizeof(*ev));
2834
2835 opcode = __le16_to_cpu(ev->opcode);
2836
2837 switch (opcode) {
2838 case HCI_OP_INQUIRY:
2839 hci_cs_inquiry(hdev, ev->status);
2840 break;
2841
2842 case HCI_OP_CREATE_CONN:
2843 hci_cs_create_conn(hdev, ev->status);
2844 break;
2845
2846 case HCI_OP_ADD_SCO:
2847 hci_cs_add_sco(hdev, ev->status);
2848 break;
2849
f8558555
MH		 2850 case HCI_OP_AUTH_REQUESTED:
2851 hci_cs_auth_requested(hdev, ev->status);
2852 break;
2853
2854 case HCI_OP_SET_CONN_ENCRYPT:
2855 hci_cs_set_conn_encrypt(hdev, ev->status);
2856 break;
2857
a9de9248
MH		 2858 case HCI_OP_REMOTE_NAME_REQ:
2859 hci_cs_remote_name_req(hdev, ev->status);
2860 break;
2861
769be974
MH		 2862 case HCI_OP_READ_REMOTE_FEATURES:
2863 hci_cs_read_remote_features(hdev, ev->status);
2864 break;
2865
2866 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2867 hci_cs_read_remote_ext_features(hdev, ev->status);
2868 break;
2869
a9de9248
MH		 2870 case HCI_OP_SETUP_SYNC_CONN:
2871 hci_cs_setup_sync_conn(hdev, ev->status);
2872 break;
2873
2874 case HCI_OP_SNIFF_MODE:
2875 hci_cs_sniff_mode(hdev, ev->status);
2876 break;
2877
2878 case HCI_OP_EXIT_SNIFF_MODE:
2879 hci_cs_exit_sniff_mode(hdev, ev->status);
2880 break;
2881
8962ee74 2882 case HCI_OP_DISCONNECT:
88c3df13 2883 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2884 break;
2885
a02226d6
AE		 2886 case HCI_OP_CREATE_PHY_LINK:
2887 hci_cs_create_phylink(hdev, ev->status);
2888 break;
2889
0b26ab9d
AE		 2890 case HCI_OP_ACCEPT_PHY_LINK:
2891 hci_cs_accept_phylink(hdev, ev->status);
2892 break;
2893
cb1d68f7
JH		 2894 case HCI_OP_LE_CREATE_CONN:
2895 hci_cs_le_create_conn(hdev, ev->status);
2896 break;
2897
81d0c8ad
JH		 2898 case HCI_OP_LE_START_ENC:
2899 hci_cs_le_start_enc(hdev, ev->status);
2900 break;
2901
a9de9248 2902 default:
9f1db00c 2903 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2904 break;
2905 }
2906
ad82cdd1 2907 if (opcode != HCI_OP_NOP)
65cc2b49 2908 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2909
02350a72
JH		 2910 if (ev->status ||
2911 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2912 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2913
10572132 2914 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2915 atomic_set(&hdev->cmd_cnt, 1);
2916 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2917 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2918 }
2919}
2920
6039aa73 2921static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2922{
2923 struct hci_ev_role_change *ev = (void *) skb->data;
2924 struct hci_conn *conn;
2925
9f1db00c 2926 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2927
2928 hci_dev_lock(hdev);
2929
2930 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2931 if (conn) {
40bef302
JH		 2932 if (!ev->status)
2933 conn->role = ev->role;
a9de9248 2934
51a8efd7 2935 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2936
2937 hci_role_switch_cfm(conn, ev->status, ev->role);
2938 }
2939
2940 hci_dev_unlock(hdev);
2941}
2942
6039aa73 2943static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2944{
2945 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2946 int i;
2947
32ac5b9b
AE		 2948 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2949 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2950 return;
2951 }
2952
c5993de8 2953 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2954 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2955 BT_DBG("%s bad parameters", hdev->name);
2956 return;
2957 }
2958
c5993de8
AE		 2959 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2960
613a1c0c
AE		 2961 for (i = 0; i < ev->num_hndl; i++) {
2962 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2963 struct hci_conn *conn;
2964 __u16 handle, count;
2965
613a1c0c
AE		 2966 handle = __le16_to_cpu(info->handle);
2967 count = __le16_to_cpu(info->count);
a9de9248
MH		 2968
2969 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2970 if (!conn)
2971 continue;
2972
2973 conn->sent -= count;
2974
2975 switch (conn->type) {
2976 case ACL_LINK:
2977 hdev->acl_cnt += count;
2978 if (hdev->acl_cnt > hdev->acl_pkts)
2979 hdev->acl_cnt = hdev->acl_pkts;
2980 break;
2981
2982 case LE_LINK:
2983 if (hdev->le_pkts) {
2984 hdev->le_cnt += count;
2985 if (hdev->le_cnt > hdev->le_pkts)
2986 hdev->le_cnt = hdev->le_pkts;
2987 } else {
70f23020
AE		 2988 hdev->acl_cnt += count;
2989 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2990 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2991 }
f4280918
AE		 2992 break;
2993
2994 case SCO_LINK:
2995 hdev->sco_cnt += count;
2996 if (hdev->sco_cnt > hdev->sco_pkts)
2997 hdev->sco_cnt = hdev->sco_pkts;
2998 break;
2999
3000 default:
3001 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3002 break;
a9de9248
MH		 3003 }
3004 }
3005
3eff45ea 3006 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3007}
3008
76ef7cf7
AE		 3009static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3010 __u16 handle)
3011{
3012 struct hci_chan *chan;
3013
3014 switch (hdev->dev_type) {
3015 case HCI_BREDR:
3016 return hci_conn_hash_lookup_handle(hdev, handle);
3017 case HCI_AMP:
3018 chan = hci_chan_lookup_handle(hdev, handle);
3019 if (chan)
3020 return chan->conn;
3021 break;
3022 default:
3023 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3024 break;
3025 }
3026
3027 return NULL;
3028}
3029
6039aa73 3030static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3031{
3032 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3033 int i;
3034
3035 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3036 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3037 return;
3038 }
3039
3040 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3041 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3042 BT_DBG("%s bad parameters", hdev->name);
3043 return;
3044 }
3045
3046 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3047 ev->num_hndl);
25e89e99
AE		 3048
3049 for (i = 0; i < ev->num_hndl; i++) {
3050 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3051 struct hci_conn *conn = NULL;
25e89e99
AE		 3052 __u16 handle, block_count;
3053
3054 handle = __le16_to_cpu(info->handle);
3055 block_count = __le16_to_cpu(info->blocks);
3056
76ef7cf7 3057 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3058 if (!conn)
3059 continue;
3060
3061 conn->sent -= block_count;
3062
3063 switch (conn->type) {
3064 case ACL_LINK:
bd1eb66b 3065 case AMP_LINK:
25e89e99
AE		 3066 hdev->block_cnt += block_count;
3067 if (hdev->block_cnt > hdev->num_blocks)
3068 hdev->block_cnt = hdev->num_blocks;
3069 break;
3070
3071 default:
3072 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3073 break;
3074 }
3075 }
3076
3077 queue_work(hdev->workqueue, &hdev->tx_work);
3078}
3079
6039aa73 3080static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3081{
a9de9248 3082 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3083 struct hci_conn *conn;
3084
9f1db00c 3085 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3086
3087 hci_dev_lock(hdev);
3088
3089 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3090 if (conn) {
3091 conn->mode = ev->mode;
a9de9248 3092
8fc9ced3
GP		 3093 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3094 &conn->flags)) {
a9de9248 3095 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3096 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3097 else
58a681ef 3098 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3099 }
e73439d8 3100
51a8efd7 3101 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3102 hci_sco_setup(conn, ev->status);
04837f64
MH		 3103 }
3104
3105 hci_dev_unlock(hdev);
3106}
3107
6039aa73 3108static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3109{
052b30b0
MH		 3110 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3111 struct hci_conn *conn;
3112
a9de9248 3113 BT_DBG("%s", hdev->name);
052b30b0
MH		 3114
3115 hci_dev_lock(hdev);
3116
3117 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3118 if (!conn)
3119 goto unlock;
3120
3121 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3122 hci_conn_hold(conn);
3123 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3124 hci_conn_drop(conn);
052b30b0
MH		 3125 }
3126
b6ae8457 3127 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3128 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3129 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3130 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3131 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3132 u8 secure;
3133
3134 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3135 secure = 1;
3136 else
3137 secure = 0;
3138
744cf19e 3139 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3140 }
980e1a53 3141
b6f98044 3142unlock:
052b30b0 3143 hci_dev_unlock(hdev);
a9de9248
MH		 3144}
3145
6039aa73 3146static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3147{
55ed8ca1
JH		 3148 struct hci_ev_link_key_req *ev = (void *) skb->data;
3149 struct hci_cp_link_key_reply cp;
3150 struct hci_conn *conn;
3151 struct link_key *key;
3152
a9de9248 3153 BT_DBG("%s", hdev->name);
55ed8ca1 3154
034cbea0 3155 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3156 return;
3157
3158 hci_dev_lock(hdev);
3159
3160 key = hci_find_link_key(hdev, &ev->bdaddr);
3161 if (!key) {
6ed93dc6
AE		 3162 BT_DBG("%s link key not found for %pMR", hdev->name,
3163 &ev->bdaddr);
55ed8ca1
JH		 3164 goto not_found;
3165 }
3166
6ed93dc6
AE		 3167 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3168 &ev->bdaddr);
55ed8ca1 3169
55ed8ca1 3170 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3171 if (conn) {
66138ce8
MH		 3172 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3173 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3174 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3175 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3176 goto not_found;
3177 }
55ed8ca1 3178
60b83f57 3179 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3180 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3181 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3182 BT_DBG("%s ignoring key unauthenticated for high security",
3183 hdev->name);
60b83f57
WR		 3184 goto not_found;
3185 }
3186
3187 conn->key_type = key->type;
3188 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3189 }
3190
3191 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3192 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3193
3194 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3195
3196 hci_dev_unlock(hdev);
3197
3198 return;
3199
3200not_found:
3201 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3202 hci_dev_unlock(hdev);
a9de9248
MH		 3203}
3204
6039aa73 3205static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3206{
052b30b0
MH		 3207 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3208 struct hci_conn *conn;
7652ff6a
JH		 3209 struct link_key *key;
3210 bool persistent;
55ed8ca1 3211 u8 pin_len = 0;
052b30b0 3212
a9de9248 3213 BT_DBG("%s", hdev->name);
052b30b0
MH		 3214
3215 hci_dev_lock(hdev);
3216
3217 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3218 if (conn) {
3219 hci_conn_hold(conn);
3220 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3221 pin_len = conn->pin_length;
13d39315
WR		 3222
3223 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3224 conn->key_type = ev->key_type;
3225
76a68ba0 3226 hci_conn_drop(conn);
052b30b0
MH		 3227 }
3228
7652ff6a
JH		 3229 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3230 goto unlock;
3231
3232 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3233 ev->key_type, pin_len, &persistent);
3234 if (!key)
3235 goto unlock;
3236
3237 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3238
6d5650c4
JH		 3239 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3240 * is set. If it's not set simply remove the key from the kernel
3241 * list (we've still notified user space about it but with
3242 * store_hint being 0).
3243 */
3244 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3245 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3246 list_del(&key->list);
3247 kfree(key);
3248 } else if (conn) {
af6a9c32
JH		 3249 if (persistent)
3250 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3251 else
3252 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3253 }
7652ff6a
JH		 3254
3255unlock:
052b30b0 3256 hci_dev_unlock(hdev);
a9de9248
MH		 3257}
3258
6039aa73 3259static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3260{
a9de9248 3261 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3262 struct hci_conn *conn;
1da177e4 3263
9f1db00c 3264 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3265
3266 hci_dev_lock(hdev);
3267
04837f64 3268 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3269 if (conn && !ev->status) {
3270 struct inquiry_entry *ie;
3271
cc11b9c1
AE		 3272 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3273 if (ie) {
1da177e4
LT		 3274 ie->data.clock_offset = ev->clock_offset;
3275 ie->timestamp = jiffies;
3276 }
3277 }
3278
3279 hci_dev_unlock(hdev);
3280}
3281
6039aa73 3282static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3283{
3284 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3285 struct hci_conn *conn;
3286
9f1db00c 3287 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3288
3289 hci_dev_lock(hdev);
3290
3291 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3292 if (conn && !ev->status)
3293 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3294
3295 hci_dev_unlock(hdev);
3296}
3297
6039aa73 3298static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3299{
a9de9248 3300 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3301 struct inquiry_entry *ie;
3302
3303 BT_DBG("%s", hdev->name);
3304
3305 hci_dev_lock(hdev);
3306
cc11b9c1
AE		 3307 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3308 if (ie) {
85a1e930
MH		 3309 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3310 ie->timestamp = jiffies;
3311 }
3312
3313 hci_dev_unlock(hdev);
3314}
3315
6039aa73
GP		 3316static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3317 struct sk_buff *skb)
a9de9248
MH		 3318{
3319 struct inquiry_data data;
3320 int num_rsp = *((__u8 *) skb->data);
3321
3322 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3323
3324 if (!num_rsp)
3325 return;
3326
1519cc17
AG		 3327 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3328 return;
3329
a9de9248
MH		 3330 hci_dev_lock(hdev);
3331
3332 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3333 struct inquiry_info_with_rssi_and_pscan_mode *info;
3334 info = (void *) (skb->data + 1);
a9de9248 3335
e17acd40 3336 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3337 u32 flags;
3338
a9de9248
MH		 3339 bacpy(&data.bdaddr, &info->bdaddr);
3340 data.pscan_rep_mode = info->pscan_rep_mode;
3341 data.pscan_period_mode = info->pscan_period_mode;
3342 data.pscan_mode = info->pscan_mode;
3343 memcpy(data.dev_class, info->dev_class, 3);
3344 data.clock_offset = info->clock_offset;
3345 data.rssi = info->rssi;
41a96212 3346 data.ssp_mode = 0x00;
3175405b 3347
af58925c
MH		 3348 flags = hci_inquiry_cache_update(hdev, &data, false);
3349
48264f06 3350 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3351 info->dev_class, info->rssi,
af58925c 3352 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3353 }
3354 } else {
3355 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3356
e17acd40 3357 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3358 u32 flags;
3359
a9de9248
MH		 3360 bacpy(&data.bdaddr, &info->bdaddr);
3361 data.pscan_rep_mode = info->pscan_rep_mode;
3362 data.pscan_period_mode = info->pscan_period_mode;
3363 data.pscan_mode = 0x00;
3364 memcpy(data.dev_class, info->dev_class, 3);
3365 data.clock_offset = info->clock_offset;
3366 data.rssi = info->rssi;
41a96212 3367 data.ssp_mode = 0x00;
af58925c
MH		 3368
3369 flags = hci_inquiry_cache_update(hdev, &data, false);
3370
48264f06 3371 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3372 info->dev_class, info->rssi,
af58925c 3373 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3374 }
3375 }
3376
3377 hci_dev_unlock(hdev);
3378}
3379
6039aa73
GP		 3380static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3381 struct sk_buff *skb)
a9de9248 3382{
41a96212
MH		 3383 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3384 struct hci_conn *conn;
3385
a9de9248 3386 BT_DBG("%s", hdev->name);
41a96212 3387
41a96212
MH		 3388 hci_dev_lock(hdev);
3389
3390 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3391 if (!conn)
3392 goto unlock;
41a96212 3393
cad718ed
JH		 3394 if (ev->page < HCI_MAX_PAGES)
3395 memcpy(conn->features[ev->page], ev->features, 8);
3396
ccd556fe
JH		 3397 if (!ev->status && ev->page == 0x01) {
3398 struct inquiry_entry *ie;
41a96212 3399
cc11b9c1
AE		 3400 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3401 if (ie)
02b7cc62 3402 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3403
bbb0eada 3404 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3405 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3406 } else {
3407 /* It is mandatory by the Bluetooth specification that
3408 * Extended Inquiry Results are only used when Secure
3409 * Simple Pairing is enabled, but some devices violate
3410 * this.
3411 *
3412 * To make these devices work, the internal SSP
3413 * enabled flag needs to be cleared if the remote host
3414 * features do not indicate SSP support */
3415 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3416 }
eb9a8f3f
MH		 3417
3418 if (ev->features[0] & LMP_HOST_SC)
3419 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3420 }
3421
3422 if (conn->state != BT_CONFIG)
3423 goto unlock;
3424
671267bf 3425 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3426 struct hci_cp_remote_name_req cp;
3427 memset(&cp, 0, sizeof(cp));
3428 bacpy(&cp.bdaddr, &conn->dst);
3429 cp.pscan_rep_mode = 0x02;
3430 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3431 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3432 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3433 conn->dst_type, 0, NULL, 0,
3434 conn->dev_class);
392599b9 3435
127178d2 3436 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3437 conn->state = BT_CONNECTED;
3438 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3439 hci_conn_drop(conn);
41a96212
MH		 3440 }
3441
ccd556fe 3442unlock:
41a96212 3443 hci_dev_unlock(hdev);
a9de9248
MH		 3444}
3445
6039aa73
GP		 3446static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3447 struct sk_buff *skb)
a9de9248 3448{
b6a0dc82
MH		 3449 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3450 struct hci_conn *conn;
3451
9f1db00c 3452 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3453
3454 hci_dev_lock(hdev);
3455
3456 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3457 if (!conn) {
3458 if (ev->link_type == ESCO_LINK)
3459 goto unlock;
3460
3461 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3462 if (!conn)
3463 goto unlock;
3464
3465 conn->type = SCO_LINK;
3466 }
b6a0dc82 3467
732547f9
MH		 3468 switch (ev->status) {
3469 case 0x00:
b6a0dc82
MH		 3470 conn->handle = __le16_to_cpu(ev->handle);
3471 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3472
3473 hci_conn_add_sysfs(conn);
732547f9
MH		 3474 break;
3475
81218d20 3476 case 0x10: /* Connection Accept Timeout */
1a4c958c 3477 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3478 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3479 case 0x1c: /* SCO interval rejected */
1038a00b 3480 case 0x1a: /* Unsupported Remote Feature */
732547f9 3481 case 0x1f: /* Unspecified error */
27539bc4 3482 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3483 if (conn->out) {
732547f9
MH		 3484 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3485 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3486 if (hci_setup_sync(conn, conn->link->handle))
3487 goto unlock;
732547f9
MH		 3488 }
3489 /* fall through */
3490
3491 default:
b6a0dc82 3492 conn->state = BT_CLOSED;
732547f9
MH		 3493 break;
3494 }
b6a0dc82
MH		 3495
3496 hci_proto_connect_cfm(conn, ev->status);
3497 if (ev->status)
3498 hci_conn_del(conn);
3499
3500unlock:
3501 hci_dev_unlock(hdev);
a9de9248
MH		 3502}
3503
efdcf8e3
MH		 3504static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3505{
3506 size_t parsed = 0;
3507
3508 while (parsed < eir_len) {
3509 u8 field_len = eir[0];
3510
3511 if (field_len == 0)
3512 return parsed;
3513
3514 parsed += field_len + 1;
3515 eir += field_len + 1;
3516 }
3517
3518 return eir_len;
3519}
3520
6039aa73
GP		 3521static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3522 struct sk_buff *skb)
1da177e4 3523{
a9de9248
MH		 3524 struct inquiry_data data;
3525 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3526 int num_rsp = *((__u8 *) skb->data);
9d939d94 3527 size_t eir_len;
1da177e4 3528
a9de9248 3529 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3530
a9de9248
MH		 3531 if (!num_rsp)
3532 return;
1da177e4 3533
1519cc17
AG		 3534 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3535 return;
3536
a9de9248
MH		 3537 hci_dev_lock(hdev);
3538
e17acd40 3539 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3540 u32 flags;
3541 bool name_known;
561aafbc 3542
a9de9248 3543 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3544 data.pscan_rep_mode = info->pscan_rep_mode;
3545 data.pscan_period_mode = info->pscan_period_mode;
3546 data.pscan_mode = 0x00;
a9de9248 3547 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3548 data.clock_offset = info->clock_offset;
3549 data.rssi = info->rssi;
41a96212 3550 data.ssp_mode = 0x01;
561aafbc 3551
a8b2d5c2 3552 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3553 name_known = eir_has_data_type(info->data,
04124681
GP		 3554 sizeof(info->data),
3555 EIR_NAME_COMPLETE);
561aafbc
JH		 3556 else
3557 name_known = true;
3558
af58925c
MH		 3559 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3560
9d939d94 3561 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3562
48264f06 3563 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3564 info->dev_class, info->rssi,
3565 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3566 }
3567
3568 hci_dev_unlock(hdev);
3569}
1da177e4 3570
1c2e0041
JH		 3571static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3572 struct sk_buff *skb)
3573{
3574 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3575 struct hci_conn *conn;
3576
9f1db00c 3577 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3578 __le16_to_cpu(ev->handle));
3579
3580 hci_dev_lock(hdev);
3581
3582 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3583 if (!conn)
3584 goto unlock;
3585
9eb1fbfa
JH		 3586 /* For BR/EDR the necessary steps are taken through the
3587 * auth_complete event.
3588 */
3589 if (conn->type != LE_LINK)
3590 goto unlock;
3591
1c2e0041
JH		 3592 if (!ev->status)
3593 conn->sec_level = conn->pending_sec_level;
3594
3595 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3596
3597 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3598 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3599 hci_conn_drop(conn);
1c2e0041
JH		 3600 goto unlock;
3601 }
3602
3603 if (conn->state == BT_CONFIG) {
3604 if (!ev->status)
3605 conn->state = BT_CONNECTED;
3606
3607 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3608 hci_conn_drop(conn);
1c2e0041
JH		 3609 } else {
3610 hci_auth_cfm(conn, ev->status);
3611
3612 hci_conn_hold(conn);
3613 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3614 hci_conn_drop(conn);
1c2e0041
JH		 3615 }
3616
3617unlock:
3618 hci_dev_unlock(hdev);
3619}
3620
6039aa73 3621static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3622{
17fa4b9d 3623 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3624 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3625 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3626 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3627
b7f94c88
MA		 3628 /* If both remote and local have enough IO capabilities, require
3629 * MITM protection
3630 */
3631 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3632 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3633 return conn->remote_auth | 0x01;
3634
7e74170a
TM		 3635 /* No MITM protection possible so ignore remote requirement */
3636 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3637}
3638
6039aa73 3639static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3640{
3641 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3642 struct hci_conn *conn;
3643
3644 BT_DBG("%s", hdev->name);
3645
3646 hci_dev_lock(hdev);
3647
3648 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3649 if (!conn)
3650 goto unlock;
3651
3652 hci_conn_hold(conn);
3653
a8b2d5c2 3654 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3655 goto unlock;
3656
2f407f0a
JH		 3657 /* Allow pairing if we're pairable, the initiators of the
3658 * pairing or if the remote is not requesting bonding.
3659 */
b6ae8457 3660 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3661 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3662 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3663 struct hci_cp_io_capability_reply cp;
3664
3665 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3666 /* Change the IO capability from KeyboardDisplay
3667 * to DisplayYesNo as it is not supported by BT spec. */
3668 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3669 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3670
3671 /* If we are initiators, there is no remote information yet */
3672 if (conn->remote_auth == 0xff) {
b16c6604 3673 /* Request MITM protection if our IO caps allow it
4ad51a75 3674 * except for the no-bonding case.
b16c6604 3675 */
6fd6b915 3676 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3677 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3678 conn->auth_type |= 0x01;
b7f94c88
MA		 3679 } else {
3680 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3681 }
17fa4b9d 3682
82c295b1
JH		 3683 /* If we're not bondable, force one of the non-bondable
3684 * authentication requirement values.
3685 */
3686 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3687 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3688
3689 cp.authentication = conn->auth_type;
3690
8fc9ced3
GP		 3691 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3692 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3693 cp.oob_data = 0x01;
3694 else
3695 cp.oob_data = 0x00;
3696
17fa4b9d 3697 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3698 sizeof(cp), &cp);
03b555e1
JH		 3699 } else {
3700 struct hci_cp_io_capability_neg_reply cp;
3701
3702 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3703 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3704
03b555e1 3705 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3706 sizeof(cp), &cp);
03b555e1
JH		 3707 }
3708
3709unlock:
3710 hci_dev_unlock(hdev);
3711}
3712
6039aa73 3713static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3714{
3715 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3716 struct hci_conn *conn;
3717
3718 BT_DBG("%s", hdev->name);
3719
3720 hci_dev_lock(hdev);
3721
3722 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3723 if (!conn)
3724 goto unlock;
3725
03b555e1 3726 conn->remote_cap = ev->capability;
03b555e1 3727 conn->remote_auth = ev->authentication;
58a681ef
JH		 3728 if (ev->oob_data)
3729 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3730
3731unlock:
0493684e
MH		 3732 hci_dev_unlock(hdev);
3733}
3734
6039aa73
GP		 3735static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3736 struct sk_buff *skb)
a5c29683
JH		 3737{
3738 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3739 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3740 struct hci_conn *conn;
a5c29683
JH		 3741
3742 BT_DBG("%s", hdev->name);
3743
3744 hci_dev_lock(hdev);
3745
a8b2d5c2 3746 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3747 goto unlock;
a5c29683 3748
7a828908
JH		 3749 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3750 if (!conn)
3751 goto unlock;
3752
3753 loc_mitm = (conn->auth_type & 0x01);
3754 rem_mitm = (conn->remote_auth & 0x01);
3755
3756 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3757 * (it has NoInputNoOutput) then reject the confirmation
3758 * request. We check the security level here since it doesn't
3759 * necessarily match conn->auth_type.
6fd6b915 3760 */
6c53823a
JH		 3761 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3762 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3763 BT_DBG("Rejecting request: remote device can't provide MITM");
3764 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3765 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3766 goto unlock;
3767 }
3768
3769 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3770 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3771 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3772
3773 /* If we're not the initiators request authorization to
3774 * proceed from user space (mgmt_user_confirm with
ba15a58b 3775 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3776 * side had MITM or if the local IO capability is
3777 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3778 */
3779 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3780 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3781 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3782 BT_DBG("Confirming auto-accept as acceptor");
3783 confirm_hint = 1;
3784 goto confirm;
3785 }
3786
9f61656a 3787 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3788 hdev->auto_accept_delay);
9f61656a
JH		 3789
3790 if (hdev->auto_accept_delay > 0) {
3791 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3792 queue_delayed_work(conn->hdev->workqueue,
3793 &conn->auto_accept_work, delay);
9f61656a
JH		 3794 goto unlock;
3795 }
3796
7a828908 3797 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3798 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3799 goto unlock;
3800 }
3801
55bc1a37 3802confirm:
39adbffe
JH		 3803 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3804 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3805
3806unlock:
a5c29683
JH		 3807 hci_dev_unlock(hdev);
3808}
3809
6039aa73
GP		 3810static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3811 struct sk_buff *skb)
1143d458
BG		 3812{
3813 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3814
3815 BT_DBG("%s", hdev->name);
3816
a8b2d5c2 3817 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3818 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3819}
3820
92a25256
JH		 3821static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3822 struct sk_buff *skb)
3823{
3824 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3825 struct hci_conn *conn;
3826
3827 BT_DBG("%s", hdev->name);
3828
3829 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3830 if (!conn)
3831 return;
3832
3833 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3834 conn->passkey_entered = 0;
3835
3836 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3837 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3838 conn->dst_type, conn->passkey_notify,
3839 conn->passkey_entered);
3840}
3841
3842static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3843{
3844 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3845 struct hci_conn *conn;
3846
3847 BT_DBG("%s", hdev->name);
3848
3849 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3850 if (!conn)
3851 return;
3852
3853 switch (ev->type) {
3854 case HCI_KEYPRESS_STARTED:
3855 conn->passkey_entered = 0;
3856 return;
3857
3858 case HCI_KEYPRESS_ENTERED:
3859 conn->passkey_entered++;
3860 break;
3861
3862 case HCI_KEYPRESS_ERASED:
3863 conn->passkey_entered--;
3864 break;
3865
3866 case HCI_KEYPRESS_CLEARED:
3867 conn->passkey_entered = 0;
3868 break;
3869
3870 case HCI_KEYPRESS_COMPLETED:
3871 return;
3872 }
3873
3874 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3875 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3876 conn->dst_type, conn->passkey_notify,
3877 conn->passkey_entered);
3878}
3879
6039aa73
GP		 3880static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3881 struct sk_buff *skb)
0493684e
MH		 3882{
3883 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3884 struct hci_conn *conn;
3885
3886 BT_DBG("%s", hdev->name);
3887
3888 hci_dev_lock(hdev);
3889
3890 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3891 if (!conn)
3892 goto unlock;
3893
c1d4fa7a
JH		 3894 /* Reset the authentication requirement to unknown */
3895 conn->remote_auth = 0xff;
3896
2a611692
JH		 3897 /* To avoid duplicate auth_failed events to user space we check
3898 * the HCI_CONN_AUTH_PEND flag which will be set if we
3899 * initiated the authentication. A traditional auth_complete
3900 * event gets always produced as initiator and is also mapped to
3901 * the mgmt_auth_failed event */
fa1bd918 3902 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3903 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3904 ev->status);
0493684e 3905
76a68ba0 3906 hci_conn_drop(conn);
2a611692
JH		 3907
3908unlock:
0493684e
MH		 3909 hci_dev_unlock(hdev);
3910}
3911
6039aa73
GP		 3912static void hci_remote_host_features_evt(struct hci_dev *hdev,
3913 struct sk_buff *skb)
41a96212
MH		 3914{
3915 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3916 struct inquiry_entry *ie;
cad718ed 3917 struct hci_conn *conn;
41a96212
MH		 3918
3919 BT_DBG("%s", hdev->name);
3920
3921 hci_dev_lock(hdev);
3922
cad718ed
JH		 3923 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3924 if (conn)
3925 memcpy(conn->features[1], ev->features, 8);
3926
cc11b9c1
AE		 3927 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3928 if (ie)
02b7cc62 3929 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3930
3931 hci_dev_unlock(hdev);
3932}
3933
6039aa73
GP		 3934static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3935 struct sk_buff *skb)
2763eda6
SJ		 3936{
3937 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3938 struct oob_data *data;
3939
3940 BT_DBG("%s", hdev->name);
3941
3942 hci_dev_lock(hdev);
3943
a8b2d5c2 3944 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3945 goto unlock;
3946
2763eda6
SJ		 3947 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3948 if (data) {
519ca9d0
MH		 3949 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3950 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3951
519ca9d0
MH		 3952 bacpy(&cp.bdaddr, &ev->bdaddr);
3953 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3954 memcpy(cp.randomizer192, data->randomizer192,
3955 sizeof(cp.randomizer192));
3956 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3957 memcpy(cp.randomizer256, data->randomizer256,
3958 sizeof(cp.randomizer256));
3959
3960 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3961 sizeof(cp), &cp);
3962 } else {
3963 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3964
519ca9d0
MH		 3965 bacpy(&cp.bdaddr, &ev->bdaddr);
3966 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3967 memcpy(cp.randomizer, data->randomizer192,
3968 sizeof(cp.randomizer));
3969
3970 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3971 sizeof(cp), &cp);
3972 }
2763eda6
SJ		 3973 } else {
3974 struct hci_cp_remote_oob_data_neg_reply cp;
3975
3976 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3977 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3978 sizeof(cp), &cp);
2763eda6
SJ		 3979 }
3980
e1ba1f15 3981unlock:
2763eda6
SJ		 3982 hci_dev_unlock(hdev);
3983}
3984
d5e91192
AE		 3985static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3986 struct sk_buff *skb)
3987{
3988 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3989 struct hci_conn *hcon, *bredr_hcon;
3990
3991 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3992 ev->status);
3993
3994 hci_dev_lock(hdev);
3995
3996 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3997 if (!hcon) {
3998 hci_dev_unlock(hdev);
3999 return;
4000 }
4001
4002 if (ev->status) {
4003 hci_conn_del(hcon);
4004 hci_dev_unlock(hdev);
4005 return;
4006 }
4007
4008 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4009
4010 hcon->state = BT_CONNECTED;
4011 bacpy(&hcon->dst, &bredr_hcon->dst);
4012
4013 hci_conn_hold(hcon);
4014 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4015 hci_conn_drop(hcon);
d5e91192 4016
d5e91192
AE		 4017 hci_conn_add_sysfs(hcon);
4018
cf70ff22 4019 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4020
cf70ff22 4021 hci_dev_unlock(hdev);
d5e91192
AE		 4022}
4023
27695fb4
AE		 4024static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4025{
4026 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4027 struct hci_conn *hcon;
4028 struct hci_chan *hchan;
4029 struct amp_mgr *mgr;
4030
4031 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4032 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4033 ev->status);
4034
4035 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4036 if (!hcon)
4037 return;
4038
4039 /* Create AMP hchan */
4040 hchan = hci_chan_create(hcon);
4041 if (!hchan)
4042 return;
4043
4044 hchan->handle = le16_to_cpu(ev->handle);
4045
4046 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4047
4048 mgr = hcon->amp_mgr;
4049 if (mgr && mgr->bredr_chan) {
4050 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4051
4052 l2cap_chan_lock(bredr_chan);
4053
4054 bredr_chan->conn->mtu = hdev->block_mtu;
4055 l2cap_logical_cfm(bredr_chan, hchan, 0);
4056 hci_conn_hold(hcon);
4057
4058 l2cap_chan_unlock(bredr_chan);
4059 }
4060}
4061
606e2a10
AE		 4062static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4063 struct sk_buff *skb)
4064{
4065 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4066 struct hci_chan *hchan;
4067
4068 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4069 le16_to_cpu(ev->handle), ev->status);
4070
4071 if (ev->status)
4072 return;
4073
4074 hci_dev_lock(hdev);
4075
4076 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4077 if (!hchan)
4078 goto unlock;
4079
4080 amp_destroy_logical_link(hchan, ev->reason);
4081
4082unlock:
4083 hci_dev_unlock(hdev);
4084}
4085
9eef6b3a
AE		 4086static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4087 struct sk_buff *skb)
4088{
4089 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4090 struct hci_conn *hcon;
4091
4092 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4093
4094 if (ev->status)
4095 return;
4096
4097 hci_dev_lock(hdev);
4098
4099 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4100 if (hcon) {
4101 hcon->state = BT_CLOSED;
4102 hci_conn_del(hcon);
4103 }
4104
4105 hci_dev_unlock(hdev);
4106}
4107
6039aa73 4108static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4109{
4110 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4111 struct hci_conn_params *params;
fcd89c09 4112 struct hci_conn *conn;
68d6f6de 4113 struct smp_irk *irk;
837d502e 4114 u8 addr_type;
fcd89c09 4115
9f1db00c 4116 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4117
4118 hci_dev_lock(hdev);
4119
fbd96c15
JH		 4120 /* All controllers implicitly stop advertising in the event of a
4121 * connection, so ensure that the state bit is cleared.
4122 */
4123 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4124
b47a09b3 4125 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4126 if (!conn) {
a5c4e309 4127 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4128 if (!conn) {
4129 BT_ERR("No memory for new connection");
230fd16a 4130 goto unlock;
b62f328b 4131 }
29b7988a
AG		 4132
4133 conn->dst_type = ev->bdaddr_type;
b9b343d2 4134
cb1d68f7
JH		 4135 /* If we didn't have a hci_conn object previously
4136 * but we're in master role this must be something
4137 * initiated using a white list. Since white list based
4138 * connections are not "first class citizens" we don't
4139 * have full tracking of them. Therefore, we go ahead
4140 * with a "best effort" approach of determining the
4141 * initiator address based on the HCI_PRIVACY flag.
4142 */
4143 if (conn->out) {
4144 conn->resp_addr_type = ev->bdaddr_type;
4145 bacpy(&conn->resp_addr, &ev->bdaddr);
4146 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4147 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4148 bacpy(&conn->init_addr, &hdev->rpa);
4149 } else {
4150 hci_copy_identity_address(hdev,
4151 &conn->init_addr,
4152 &conn->init_addr_type);
4153 }
cb1d68f7 4154 }
9489eca4
JH		 4155 } else {
4156 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4157 }
fcd89c09 4158
80c24ab8
JH		 4159 if (!conn->out) {
4160 /* Set the responder (our side) address type based on
4161 * the advertising address type.
4162 */
4163 conn->resp_addr_type = hdev->adv_addr_type;
4164 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4165 bacpy(&conn->resp_addr, &hdev->random_addr);
4166 else
4167 bacpy(&conn->resp_addr, &hdev->bdaddr);
4168
4169 conn->init_addr_type = ev->bdaddr_type;
4170 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4171
4172 /* For incoming connections, set the default minimum
4173 * and maximum connection interval. They will be used
4174 * to check if the parameters are in range and if not
4175 * trigger the connection update procedure.
4176 */
4177 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4178 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4179 }
7be2edbb 4180
edb4b466
MH		 4181 /* Lookup the identity address from the stored connection
4182 * address and address type.
4183 *
4184 * When establishing connections to an identity address, the
4185 * connection procedure will store the resolvable random
4186 * address first. Now if it can be converted back into the
4187 * identity address, start using the identity address from
4188 * now on.
4189 */
4190 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4191 if (irk) {
4192 bacpy(&conn->dst, &irk->bdaddr);
4193 conn->dst_type = irk->addr_type;
4194 }
4195
2d3c2260
JH		 4196 if (ev->status) {
4197 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4198 goto unlock;
4199 }
4200
08853f18
JH		 4201 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4202 addr_type = BDADDR_LE_PUBLIC;
4203 else
4204 addr_type = BDADDR_LE_RANDOM;
4205
2d3c2260
JH		 4206 /* Drop the connection if the device is blocked */
4207 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4208 hci_conn_drop(conn);
cd17decb
AG		 4209 goto unlock;
4210 }
4211
b644ba33 4212 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4213 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4214 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4215
7b5c0d52 4216 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4217 conn->handle = __le16_to_cpu(ev->handle);
4218 conn->state = BT_CONNECTED;
4219
e04fde60
MH		 4220 conn->le_conn_interval = le16_to_cpu(ev->interval);
4221 conn->le_conn_latency = le16_to_cpu(ev->latency);
4222 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4223
fcd89c09
VT		 4224 hci_conn_add_sysfs(conn);
4225
4226 hci_proto_connect_cfm(conn, ev->status);
4227
5477610f
JH		 4228 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4229 conn->dst_type);
f161dd41 4230 if (params) {
95305baa 4231 list_del_init(&params->action);
f161dd41
JH		 4232 if (params->conn) {
4233 hci_conn_drop(params->conn);
f8aaf9b6 4234 hci_conn_put(params->conn);
f161dd41
JH		 4235 params->conn = NULL;
4236 }
4237 }
a4790dbd 4238
fcd89c09 4239unlock:
223683a5 4240 hci_update_background_scan(hdev);
fcd89c09
VT		 4241 hci_dev_unlock(hdev);
4242}
4243
1855d92d
MH		 4244static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4245 struct sk_buff *skb)
4246{
4247 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4248 struct hci_conn *conn;
4249
4250 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4251
4252 if (ev->status)
4253 return;
4254
4255 hci_dev_lock(hdev);
4256
4257 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4258 if (conn) {
4259 conn->le_conn_interval = le16_to_cpu(ev->interval);
4260 conn->le_conn_latency = le16_to_cpu(ev->latency);
4261 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4262 }
4263
4264 hci_dev_unlock(hdev);
4265}
4266
a4790dbd 4267/* This function requires the caller holds hdev->lock */
7e899c94 4268static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4269 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4270{
4271 struct hci_conn *conn;
4b9e7e75 4272 struct hci_conn_params *params;
a4790dbd 4273
1c1abcab
JH		 4274 /* If the event is not connectable don't proceed further */
4275 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4276 return;
1c1abcab
JH		 4277
4278 /* Ignore if the device is blocked */
dcc36c16 4279 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4280 return;
1c1abcab 4281
f99353cf
JH		 4282 /* Most controller will fail if we try to create new connections
4283 * while we have an existing one in slave role.
4284 */
4285 if (hdev->conn_hash.le_num_slave > 0)
4286 return;
4287
1c1abcab
JH		 4288 /* If we're not connectable only connect devices that we have in
4289 * our pend_le_conns list.
4290 */
4b9e7e75
MH		 4291 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4292 addr, addr_type);
4293 if (!params)
4294 return;
4295
4296 switch (params->auto_connect) {
4297 case HCI_AUTO_CONN_DIRECT:
4298 /* Only devices advertising with ADV_DIRECT_IND are
4299 * triggering a connection attempt. This is allowing
4300 * incoming connections from slave devices.
4301 */
4302 if (adv_type != LE_ADV_DIRECT_IND)
4303 return;
4304 break;
4305 case HCI_AUTO_CONN_ALWAYS:
4306 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4307 * are triggering a connection attempt. This means
4308 * that incoming connectioms from slave device are
4309 * accepted and also outgoing connections to slave
4310 * devices are established when found.
4311 */
4312 break;
4313 default:
7e899c94 4314 return;
4b9e7e75 4315 }
a4790dbd
AG		 4316
4317 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4318 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4319 if (!IS_ERR(conn)) {
4320 /* Store the pointer since we don't really have any
4321 * other owner of the object besides the params that
4322 * triggered it. This way we can abort the connection if
4323 * the parameters get removed and keep the reference
4324 * count consistent once the connection is established.
4325 */
f8aaf9b6 4326 params->conn = hci_conn_get(conn);
7e899c94 4327 return;
f161dd41 4328 }
a4790dbd
AG		 4329
4330 switch (PTR_ERR(conn)) {
4331 case -EBUSY:
4332 /* If hci_connect() returns -EBUSY it means there is already
4333 * an LE connection attempt going on. Since controllers don't
4334 * support more than one connection attempt at the time, we
4335 * don't consider this an error case.
4336 */
4337 break;
4338 default:
4339 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4340 }
4341}
4342
4af605d8
JH		 4343static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4344 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4345{
b9a6328f 4346 struct discovery_state *d = &hdev->discovery;
1c1abcab 4347 struct smp_irk *irk;
474ee066 4348 bool match;
c70a7e4c 4349 u32 flags;
b9a6328f 4350
1c1abcab
JH		 4351 /* Check if we need to convert to identity address */
4352 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4353 if (irk) {
4354 bdaddr = &irk->bdaddr;
4355 bdaddr_type = irk->addr_type;
4356 }
4357
4358 /* Check if we have been requested to connect to this device */
4359 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4360
0d2bf134
JH		 4361 /* Passive scanning shouldn't trigger any device found events,
4362 * except for devices marked as CONN_REPORT for which we do send
4363 * device found events.
4364 */
ca5c4be7 4365 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4366 if (type == LE_ADV_DIRECT_IND)
4367 return;
4368
3a19b6fe
JH		 4369 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4370 bdaddr, bdaddr_type))
0d2bf134
JH		 4371 return;
4372
4373 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4374 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4375 else
4376 flags = 0;
4377 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4378 rssi, flags, data, len, NULL, 0);
97bf2e99 4379 return;
ca5c4be7 4380 }
4af605d8 4381
c70a7e4c
MH		 4382 /* When receiving non-connectable or scannable undirected
4383 * advertising reports, this means that the remote device is
4384 * not connectable and then clearly indicate this in the
4385 * device found event.
4386 *
4387 * When receiving a scan response, then there is no way to
4388 * know if the remote device is connectable or not. However
4389 * since scan responses are merged with a previously seen
4390 * advertising report, the flags field from that report
4391 * will be used.
4392 *
4393 * In the really unlikely case that a controller get confused
4394 * and just sends a scan response event, then it is marked as
4395 * not connectable as well.
4396 */
4397 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4398 type == LE_ADV_SCAN_RSP)
4399 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4400 else
4401 flags = 0;
4402
b9a6328f
JH		 4403 /* If there's nothing pending either store the data from this
4404 * event or send an immediate device found event if the data
4405 * should not be stored for later.
4406 */
4407 if (!has_pending_adv_report(hdev)) {
4408 /* If the report will trigger a SCAN_REQ store it for
4409 * later merging.
4410 */
4411 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4412 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4413 rssi, flags, data, len);
b9a6328f
JH		 4414 return;
4415 }
4416
4417 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4418 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4419 return;
4420 }
4421
474ee066
JH		 4422 /* Check if the pending report is for the same device as the new one */
4423 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4424 bdaddr_type == d->last_adv_addr_type);
4425
b9a6328f
JH		 4426 /* If the pending data doesn't match this report or this isn't a
4427 * scan response (e.g. we got a duplicate ADV_IND) then force
4428 * sending of the pending data.
4429 */
474ee066
JH		 4430 if (type != LE_ADV_SCAN_RSP || !match) {
4431 /* Send out whatever is in the cache, but skip duplicates */
4432 if (!match)
4433 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4434 d->last_adv_addr_type, NULL,
c70a7e4c 4435 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4436 d->last_adv_data,
474ee066 4437 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4438
4439 /* If the new report will trigger a SCAN_REQ store it for
4440 * later merging.
4441 */
4442 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4443 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4444 rssi, flags, data, len);
b9a6328f
JH		 4445 return;
4446 }
4447
4448 /* The advertising reports cannot be merged, so clear
4449 * the pending report and send out a device found event.
4450 */
4451 clear_pending_adv_report(hdev);
5c5b93e4 4452 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4453 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4454 return;
4455 }
4456
4457 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4458 * the new event is a SCAN_RSP. We can therefore proceed with
4459 * sending a merged device found event.
4460 */
4461 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4462 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4463 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4464 clear_pending_adv_report(hdev);
4af605d8
JH		 4465}
4466
6039aa73 4467static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4468{
e95beb41
AG		 4469 u8 num_reports = skb->data[0];
4470 void *ptr = &skb->data[1];
9aa04c91 4471
a4790dbd
AG		 4472 hci_dev_lock(hdev);
4473
e95beb41
AG		 4474 while (num_reports--) {
4475 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4476 s8 rssi;
a4790dbd 4477
3c9e9195 4478 rssi = ev->data[ev->length];
4af605d8
JH		 4479 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4480 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4481
e95beb41 4482 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4483 }
a4790dbd
AG		 4484
4485 hci_dev_unlock(hdev);
9aa04c91
AG		 4486}
4487
6039aa73 4488static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4489{
4490 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4491 struct hci_cp_le_ltk_reply cp;
bea710fe 4492 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4493 struct hci_conn *conn;
c9839a11 4494 struct smp_ltk *ltk;
a7a595f6 4495
9f1db00c 4496 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4497
4498 hci_dev_lock(hdev);
4499
4500 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4501 if (conn == NULL)
4502 goto not_found;
a7a595f6 4503
e804d25d 4504 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4505 if (ltk == NULL)
4506 goto not_found;
4507
4508 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4509 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4510
4511 if (ltk->authenticated)
f8776218
AG		 4512 conn->pending_sec_level = BT_SECURITY_HIGH;
4513 else
4514 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4515
89cbb4da 4516 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4517
4518 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4519
5981a882
CT		 4520 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4521 * temporary key used to encrypt a connection following
4522 * pairing. It is used during the Encrypted Session Setup to
4523 * distribute the keys. Later, security can be re-established
4524 * using a distributed LTK.
4525 */
2ceba539 4526 if (ltk->type == SMP_STK) {
fe59a05f 4527 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4528 list_del(&ltk->list);
4529 kfree(ltk);
fe59a05f
JH		 4530 } else {
4531 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4532 }
4533
a7a595f6 4534 hci_dev_unlock(hdev);
bea710fe
VCG		 4535
4536 return;
4537
4538not_found:
4539 neg.handle = ev->handle;
4540 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4541 hci_dev_unlock(hdev);
a7a595f6
VCG		 4542}
4543
8e75b46a
AG		 4544static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4545 u8 reason)
4546{
4547 struct hci_cp_le_conn_param_req_neg_reply cp;
4548
4549 cp.handle = cpu_to_le16(handle);
4550 cp.reason = reason;
4551
4552 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4553 &cp);
4554}
4555
4556static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4557 struct sk_buff *skb)
4558{
4559 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4560 struct hci_cp_le_conn_param_req_reply cp;
4561 struct hci_conn *hcon;
4562 u16 handle, min, max, latency, timeout;
4563
4564 handle = le16_to_cpu(ev->handle);
4565 min = le16_to_cpu(ev->interval_min);
4566 max = le16_to_cpu(ev->interval_max);
4567 latency = le16_to_cpu(ev->latency);
4568 timeout = le16_to_cpu(ev->timeout);
4569
4570 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4571 if (!hcon || hcon->state != BT_CONNECTED)
4572 return send_conn_param_neg_reply(hdev, handle,
4573 HCI_ERROR_UNKNOWN_CONN_ID);
4574
4575 if (hci_check_conn_params(min, max, latency, timeout))
4576 return send_conn_param_neg_reply(hdev, handle,
4577 HCI_ERROR_INVALID_LL_PARAMS);
4578
40bef302 4579 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4580 struct hci_conn_params *params;
f4869e2a 4581 u8 store_hint;
348d50b8
JH		 4582
4583 hci_dev_lock(hdev);
4584
4585 params = hci_conn_params_lookup(hdev, &hcon->dst,
4586 hcon->dst_type);
4587 if (params) {
4588 params->conn_min_interval = min;
4589 params->conn_max_interval = max;
4590 params->conn_latency = latency;
4591 params->supervision_timeout = timeout;
f4869e2a
JH		 4592 store_hint = 0x01;
4593 } else{
4594 store_hint = 0x00;
348d50b8
JH		 4595 }
4596
4597 hci_dev_unlock(hdev);
4598
f4869e2a
JH		 4599 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4600 store_hint, min, max, latency, timeout);
348d50b8 4601 }
ffb5a827 4602
8e75b46a
AG		 4603 cp.handle = ev->handle;
4604 cp.interval_min = ev->interval_min;
4605 cp.interval_max = ev->interval_max;
4606 cp.latency = ev->latency;
4607 cp.timeout = ev->timeout;
4608 cp.min_ce_len = 0;
4609 cp.max_ce_len = 0;
4610
4611 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4612}
4613
6039aa73 4614static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4615{
4616 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4617
4618 skb_pull(skb, sizeof(*le_ev));
4619
4620 switch (le_ev->subevent) {
4621 case HCI_EV_LE_CONN_COMPLETE:
4622 hci_le_conn_complete_evt(hdev, skb);
4623 break;
4624
1855d92d
MH		 4625 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4626 hci_le_conn_update_complete_evt(hdev, skb);
4627 break;
4628
9aa04c91
AG		 4629 case HCI_EV_LE_ADVERTISING_REPORT:
4630 hci_le_adv_report_evt(hdev, skb);
4631 break;
4632
a7a595f6
VCG		 4633 case HCI_EV_LE_LTK_REQ:
4634 hci_le_ltk_request_evt(hdev, skb);
4635 break;
4636
8e75b46a
AG		 4637 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4638 hci_le_remote_conn_param_req_evt(hdev, skb);
4639 break;
4640
fcd89c09
VT		 4641 default:
4642 break;
4643 }
4644}
4645
9495b2ee
AE		 4646static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4647{
4648 struct hci_ev_channel_selected *ev = (void *) skb->data;
4649 struct hci_conn *hcon;
4650
4651 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4652
4653 skb_pull(skb, sizeof(*ev));
4654
4655 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4656 if (!hcon)
4657 return;
4658
4659 amp_read_loc_assoc_final_data(hdev, hcon);
4660}
4661
a9de9248
MH		 4662void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4663{
4664 struct hci_event_hdr *hdr = (void *) skb->data;
4665 __u8 event = hdr->evt;
4666
b6ddb638
JH		 4667 hci_dev_lock(hdev);
4668
4669 /* Received events are (currently) only needed when a request is
4670 * ongoing so avoid unnecessary memory allocation.
4671 */
899de765 4672 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4673 kfree_skb(hdev->recv_evt);
4674 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4675 }
4676
4677 hci_dev_unlock(hdev);
4678
a9de9248
MH		 4679 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4680
02350a72 4681 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4682 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4683 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4684
4685 hci_req_cmd_complete(hdev, opcode, 0);
4686 }
4687
a9de9248 4688 switch (event) {
1da177e4
LT		 4689 case HCI_EV_INQUIRY_COMPLETE:
4690 hci_inquiry_complete_evt(hdev, skb);
4691 break;
4692
4693 case HCI_EV_INQUIRY_RESULT:
4694 hci_inquiry_result_evt(hdev, skb);
4695 break;
4696
a9de9248
MH		 4697 case HCI_EV_CONN_COMPLETE:
4698 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4699 break;
4700
1da177e4
LT		 4701 case HCI_EV_CONN_REQUEST:
4702 hci_conn_request_evt(hdev, skb);
4703 break;
4704
1da177e4
LT		 4705 case HCI_EV_DISCONN_COMPLETE:
4706 hci_disconn_complete_evt(hdev, skb);
4707 break;
4708
1da177e4
LT		 4709 case HCI_EV_AUTH_COMPLETE:
4710 hci_auth_complete_evt(hdev, skb);
4711 break;
4712
a9de9248
MH		 4713 case HCI_EV_REMOTE_NAME:
4714 hci_remote_name_evt(hdev, skb);
4715 break;
4716
1da177e4
LT		 4717 case HCI_EV_ENCRYPT_CHANGE:
4718 hci_encrypt_change_evt(hdev, skb);
4719 break;
4720
a9de9248
MH		 4721 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4722 hci_change_link_key_complete_evt(hdev, skb);
4723 break;
4724
4725 case HCI_EV_REMOTE_FEATURES:
4726 hci_remote_features_evt(hdev, skb);
4727 break;
4728
a9de9248
MH		 4729 case HCI_EV_CMD_COMPLETE:
4730 hci_cmd_complete_evt(hdev, skb);
4731 break;
4732
4733 case HCI_EV_CMD_STATUS:
4734 hci_cmd_status_evt(hdev, skb);
4735 break;
4736
4737 case HCI_EV_ROLE_CHANGE:
4738 hci_role_change_evt(hdev, skb);
4739 break;
4740
4741 case HCI_EV_NUM_COMP_PKTS:
4742 hci_num_comp_pkts_evt(hdev, skb);
4743 break;
4744
4745 case HCI_EV_MODE_CHANGE:
4746 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4747 break;
4748
4749 case HCI_EV_PIN_CODE_REQ:
4750 hci_pin_code_request_evt(hdev, skb);
4751 break;
4752
4753 case HCI_EV_LINK_KEY_REQ:
4754 hci_link_key_request_evt(hdev, skb);
4755 break;
4756
4757 case HCI_EV_LINK_KEY_NOTIFY:
4758 hci_link_key_notify_evt(hdev, skb);
4759 break;
4760
4761 case HCI_EV_CLOCK_OFFSET:
4762 hci_clock_offset_evt(hdev, skb);
4763 break;
4764
a8746417
MH		 4765 case HCI_EV_PKT_TYPE_CHANGE:
4766 hci_pkt_type_change_evt(hdev, skb);
4767 break;
4768
85a1e930
MH		 4769 case HCI_EV_PSCAN_REP_MODE:
4770 hci_pscan_rep_mode_evt(hdev, skb);
4771 break;
4772
a9de9248
MH		 4773 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4774 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4775 break;
4776
a9de9248
MH		 4777 case HCI_EV_REMOTE_EXT_FEATURES:
4778 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4779 break;
4780
a9de9248
MH		 4781 case HCI_EV_SYNC_CONN_COMPLETE:
4782 hci_sync_conn_complete_evt(hdev, skb);
4783 break;
1da177e4 4784
a9de9248
MH		 4785 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4786 hci_extended_inquiry_result_evt(hdev, skb);
4787 break;
1da177e4 4788
1c2e0041
JH		 4789 case HCI_EV_KEY_REFRESH_COMPLETE:
4790 hci_key_refresh_complete_evt(hdev, skb);
4791 break;
4792
0493684e
MH		 4793 case HCI_EV_IO_CAPA_REQUEST:
4794 hci_io_capa_request_evt(hdev, skb);
4795 break;
4796
03b555e1
JH		 4797 case HCI_EV_IO_CAPA_REPLY:
4798 hci_io_capa_reply_evt(hdev, skb);
4799 break;
4800
a5c29683
JH		 4801 case HCI_EV_USER_CONFIRM_REQUEST:
4802 hci_user_confirm_request_evt(hdev, skb);
4803 break;
4804
1143d458
BG		 4805 case HCI_EV_USER_PASSKEY_REQUEST:
4806 hci_user_passkey_request_evt(hdev, skb);
4807 break;
4808
92a25256
JH		 4809 case HCI_EV_USER_PASSKEY_NOTIFY:
4810 hci_user_passkey_notify_evt(hdev, skb);
4811 break;
4812
4813 case HCI_EV_KEYPRESS_NOTIFY:
4814 hci_keypress_notify_evt(hdev, skb);
4815 break;
4816
0493684e
MH		 4817 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4818 hci_simple_pair_complete_evt(hdev, skb);
4819 break;
4820
41a96212
MH		 4821 case HCI_EV_REMOTE_HOST_FEATURES:
4822 hci_remote_host_features_evt(hdev, skb);
4823 break;
4824
fcd89c09
VT		 4825 case HCI_EV_LE_META:
4826 hci_le_meta_evt(hdev, skb);
4827 break;
4828
9495b2ee
AE		 4829 case HCI_EV_CHANNEL_SELECTED:
4830 hci_chan_selected_evt(hdev, skb);
4831 break;
4832
2763eda6
SJ		 4833 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4834 hci_remote_oob_data_request_evt(hdev, skb);
4835 break;
4836
d5e91192
AE		 4837 case HCI_EV_PHY_LINK_COMPLETE:
4838 hci_phy_link_complete_evt(hdev, skb);
4839 break;
4840
27695fb4
AE		 4841 case HCI_EV_LOGICAL_LINK_COMPLETE:
4842 hci_loglink_complete_evt(hdev, skb);
4843 break;
4844
606e2a10
AE		 4845 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4846 hci_disconn_loglink_complete_evt(hdev, skb);
4847 break;
4848
9eef6b3a
AE		 4849 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4850 hci_disconn_phylink_complete_evt(hdev, skb);
4851 break;
4852
25e89e99
AE		 4853 case HCI_EV_NUM_COMP_BLOCKS:
4854 hci_num_comp_blocks_evt(hdev, skb);
4855 break;
4856
a9de9248 4857 default:
9f1db00c 4858 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4859 break;
4860 }
4861
4862 kfree_skb(skb);
4863 hdev->stat.evt_rx++;
4864}
Linux kernel - Deliverables
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