projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Bluetooth: Store OOB data present value for each set of remote OOB data
[linux-2.6-block.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
0857dd3b 33#include "hci_request.h"
23b9ceb7 34#include "hci_debugfs.h"
7024728e 35#include "a2mp.h"
7ef9fbf0 36#include "amp.h"
2ceba539 37#include "smp.h"
1da177e4 38
aa5b0345
MH		 39#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
40 "\x00\x00\x00\x00\x00\x00\x00\x00"
41
1da177e4
LT		 42/* Handle HCI Event packets */
43
a9de9248 44static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 45{
a9de9248 46 __u8 status = *((__u8 *) skb->data);
1da177e4 47
9f1db00c 48 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 49
82f4785c 50 if (status)
a9de9248 51 return;
1da177e4 52
89352e7d 53 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 54 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 55 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 56
50143a43
JH		 57 hci_dev_lock(hdev);
58 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
59 hci_dev_unlock(hdev);
60
a9de9248
MH		 61 hci_conn_check_pending(hdev);
62}
6bd57416 63
4d93483b
AG		 64static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
65{
66 __u8 status = *((__u8 *) skb->data);
67
9f1db00c 68 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 69
70 if (status)
71 return;
72
73 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG		 74}
75
a9de9248
MH		 76static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
77{
78 __u8 status = *((__u8 *) skb->data);
6bd57416 79
9f1db00c 80 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 81
a9de9248
MH		 82 if (status)
83 return;
1da177e4 84
ae854a70
AG		 85 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
86
a9de9248
MH		 87 hci_conn_check_pending(hdev);
88}
89
807deac2
GP		 90static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
91 struct sk_buff *skb)
a9de9248
MH		 92{
93 BT_DBG("%s", hdev->name);
94}
95
96static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
97{
98 struct hci_rp_role_discovery *rp = (void *) skb->data;
99 struct hci_conn *conn;
100
9f1db00c 101 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 102
103 if (rp->status)
104 return;
105
106 hci_dev_lock(hdev);
107
108 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 109 if (conn)
110 conn->role = rp->role;
a9de9248
MH		 111
112 hci_dev_unlock(hdev);
1da177e4
LT		 113}
114
e4e8e37c
MH		 115static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
116{
117 struct hci_rp_read_link_policy *rp = (void *) skb->data;
118 struct hci_conn *conn;
119
9f1db00c 120 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 121
122 if (rp->status)
123 return;
124
125 hci_dev_lock(hdev);
126
127 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
128 if (conn)
129 conn->link_policy = __le16_to_cpu(rp->policy);
130
131 hci_dev_unlock(hdev);
132}
133
a9de9248 134static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 135{
a9de9248 136 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 137 struct hci_conn *conn;
04837f64 138 void *sent;
1da177e4 139
9f1db00c 140 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 141
a9de9248
MH		 142 if (rp->status)
143 return;
1da177e4 144
a9de9248
MH		 145 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
146 if (!sent)
147 return;
1da177e4 148
a9de9248 149 hci_dev_lock(hdev);
1da177e4 150
a9de9248 151 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 152 if (conn)
83985319 153 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 154
a9de9248
MH		 155 hci_dev_unlock(hdev);
156}
1da177e4 157
807deac2
GP		 158static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
159 struct sk_buff *skb)
e4e8e37c
MH		 160{
161 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
162
9f1db00c 163 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 164
165 if (rp->status)
166 return;
167
168 hdev->link_policy = __le16_to_cpu(rp->policy);
169}
170
807deac2
GP		 171static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
172 struct sk_buff *skb)
e4e8e37c
MH		 173{
174 __u8 status = *((__u8 *) skb->data);
175 void *sent;
176
9f1db00c 177 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 178
45296acd
MH		 179 if (status)
180 return;
181
e4e8e37c
MH		 182 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
183 if (!sent)
184 return;
185
45296acd 186 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 187}
188
a9de9248
MH		 189static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
190{
191 __u8 status = *((__u8 *) skb->data);
04837f64 192
9f1db00c 193 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 194
10572132
GP		 195 clear_bit(HCI_RESET, &hdev->flags);
196
8761f9d6
MH		 197 if (status)
198 return;
199
a297e97c 200 /* Reset all non-persistent flags */
2cc6fb00 201 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6 202
39c5d970
JH		 203 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
204
bbaf444a
JH		 205 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
206 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 207
208 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
209 hdev->adv_data_len = 0;
f8e808bd
MH		 210
211 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
212 hdev->scan_rsp_data_len = 0;
06f5b778 213
533553f8
MH		 214 hdev->le_scan_type = LE_SCAN_PASSIVE;
215
06f5b778 216 hdev->ssp_debug_mode = 0;
a4d5504d
MH		 217
218 hci_bdaddr_list_clear(&hdev->le_white_list);
a9de9248 219}
04837f64 220
c2f0f979
MH		 221static void hci_cc_read_stored_link_key(struct hci_dev *hdev,
222 struct sk_buff *skb)
223{
224 struct hci_rp_read_stored_link_key *rp = (void *)skb->data;
225 struct hci_cp_read_stored_link_key *sent;
226
227 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
228
229 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY);
230 if (!sent)
231 return;
232
233 if (!rp->status && sent->read_all == 0x01) {
234 hdev->stored_max_keys = rp->max_keys;
235 hdev->stored_num_keys = rp->num_keys;
236 }
237}
238
a9366120
MH		 239static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
240 struct sk_buff *skb)
241{
242 struct hci_rp_delete_stored_link_key *rp = (void *)skb->data;
243
244 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
245
246 if (rp->status)
247 return;
248
249 if (rp->num_keys <= hdev->stored_num_keys)
250 hdev->stored_num_keys -= rp->num_keys;
251 else
252 hdev->stored_num_keys = 0;
253}
254
a9de9248
MH		 255static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
256{
257 __u8 status = *((__u8 *) skb->data);
258 void *sent;
04837f64 259
9f1db00c 260 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 261
a9de9248
MH		 262 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
263 if (!sent)
264 return;
04837f64 265
56e5cb86
JH		 266 hci_dev_lock(hdev);
267
f51d5b24
JH		 268 if (test_bit(HCI_MGMT, &hdev->dev_flags))
269 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 270 else if (!status)
271 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 272
56e5cb86 273 hci_dev_unlock(hdev);
a9de9248
MH		 274}
275
276static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
277{
278 struct hci_rp_read_local_name *rp = (void *) skb->data;
279
9f1db00c 280 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 281
282 if (rp->status)
283 return;
284
8bfe8442
MH		 285 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
286 test_bit(HCI_CONFIG, &hdev->dev_flags))
db99b5fc 287 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 288}
289
290static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
291{
292 __u8 status = *((__u8 *) skb->data);
293 void *sent;
294
9f1db00c 295 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 296
297 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
298 if (!sent)
299 return;
300
5c1a4c8f
JK		 301 hci_dev_lock(hdev);
302
a9de9248
MH		 303 if (!status) {
304 __u8 param = *((__u8 *) sent);
305
306 if (param == AUTH_ENABLED)
307 set_bit(HCI_AUTH, &hdev->flags);
308 else
309 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 310 }
a9de9248 311
33ef95ed
JH		 312 if (test_bit(HCI_MGMT, &hdev->dev_flags))
313 mgmt_auth_enable_complete(hdev, status);
5c1a4c8f
JK		 314
315 hci_dev_unlock(hdev);
1da177e4
LT		 316}
317
a9de9248 318static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 319{
a9de9248 320 __u8 status = *((__u8 *) skb->data);
45296acd 321 __u8 param;
1da177e4
LT		 322 void *sent;
323
9f1db00c 324 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 325
45296acd
MH		 326 if (status)
327 return;
328
a9de9248
MH		 329 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
330 if (!sent)
331 return;
1da177e4 332
45296acd 333 param = *((__u8 *) sent);
a9de9248 334
45296acd
MH		 335 if (param)
336 set_bit(HCI_ENCRYPT, &hdev->flags);
337 else
338 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 339}
1da177e4 340
a9de9248
MH		 341static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
342{
45296acd
MH		 343 __u8 status = *((__u8 *) skb->data);
344 __u8 param;
a9de9248 345 void *sent;
1da177e4 346
9f1db00c 347 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 348
a9de9248
MH		 349 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
350 if (!sent)
351 return;
1da177e4 352
36f7fc7e
JH		 353 param = *((__u8 *) sent);
354
56e5cb86
JH		 355 hci_dev_lock(hdev);
356
fa1bd918 357 if (status) {
2d7cee58
JH		 358 hdev->discov_timeout = 0;
359 goto done;
360 }
361
bc6d2d04 362 if (param & SCAN_INQUIRY)
36f7fc7e 363 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 364 else
365 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 366
031547d8 367 if (param & SCAN_PAGE)
36f7fc7e 368 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04 369 else
204e3990 370 clear_bit(HCI_PSCAN, &hdev->flags);
1da177e4 371
36f7fc7e 372done:
56e5cb86 373 hci_dev_unlock(hdev);
a9de9248 374}
1da177e4 375
a9de9248
MH		 376static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
377{
378 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 379
9f1db00c 380 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 381
a9de9248
MH		 382 if (rp->status)
383 return;
1da177e4 384
a9de9248 385 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 386
a9de9248 387 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 388 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 389}
1da177e4 390
a9de9248
MH		 391static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
392{
393 __u8 status = *((__u8 *) skb->data);
394 void *sent;
1da177e4 395
9f1db00c 396 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 397
a9de9248
MH		 398 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
399 if (!sent)
400 return;
1da177e4 401
7f9a903c
MH		 402 hci_dev_lock(hdev);
403
404 if (status == 0)
405 memcpy(hdev->dev_class, sent, 3);
406
407 if (test_bit(HCI_MGMT, &hdev->dev_flags))
408 mgmt_set_class_of_dev_complete(hdev, sent, status);
409
410 hci_dev_unlock(hdev);
a9de9248 411}
1da177e4 412
a9de9248
MH		 413static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
414{
415 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
416 __u16 setting;
417
9f1db00c 418 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 419
420 if (rp->status)
421 return;
422
423 setting = __le16_to_cpu(rp->voice_setting);
424
f383f275 425 if (hdev->voice_setting == setting)
a9de9248
MH		 426 return;
427
428 hdev->voice_setting = setting;
429
9f1db00c 430 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 431
3c54711c 432 if (hdev->notify)
a9de9248 433 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 434}
435
8fc9ced3
GP		 436static void hci_cc_write_voice_setting(struct hci_dev *hdev,
437 struct sk_buff *skb)
a9de9248
MH		 438{
439 __u8 status = *((__u8 *) skb->data);
f383f275 440 __u16 setting;
a9de9248
MH		 441 void *sent;
442
9f1db00c 443 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 444
f383f275
MH		 445 if (status)
446 return;
447
a9de9248
MH		 448 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
449 if (!sent)
450 return;
1da177e4 451
f383f275 452 setting = get_unaligned_le16(sent);
1da177e4 453
f383f275
MH		 454 if (hdev->voice_setting == setting)
455 return;
456
457 hdev->voice_setting = setting;
1da177e4 458
9f1db00c 459 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 460
3c54711c 461 if (hdev->notify)
f383f275 462 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 463}
464
b4cb9fb2
MH		 465static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
466 struct sk_buff *skb)
467{
468 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
469
470 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
471
472 if (rp->status)
473 return;
474
475 hdev->num_iac = rp->num_iac;
476
477 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
478}
479
333140b5
MH		 480static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
481{
482 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 483 struct hci_cp_write_ssp_mode *sent;
333140b5 484
9f1db00c 485 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 486
333140b5
MH		 487 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
488 if (!sent)
489 return;
490
5c1a4c8f
JK		 491 hci_dev_lock(hdev);
492
5ed8eb2f
JH		 493 if (!status) {
494 if (sent->mode)
cad718ed 495 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 496 else
cad718ed 497 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 498 }
499
ed2c4ee3 500 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 501 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 502 else if (!status) {
5ed8eb2f 503 if (sent->mode)
c0ecddc2
JH		 504 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
505 else
506 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
507 }
5c1a4c8f
JK		 508
509 hci_dev_unlock(hdev);
333140b5
MH		 510}
511
eac83dc6
MH		 512static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
513{
514 u8 status = *((u8 *) skb->data);
515 struct hci_cp_write_sc_support *sent;
516
517 BT_DBG("%s status 0x%2.2x", hdev->name, status);
518
519 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
520 if (!sent)
521 return;
522
5c1a4c8f
JK		 523 hci_dev_lock(hdev);
524
eac83dc6
MH		 525 if (!status) {
526 if (sent->support)
527 hdev->features[1][0] |= LMP_HOST_SC;
528 else
529 hdev->features[1][0] &= ~LMP_HOST_SC;
530 }
531
a1443f5a 532 if (!test_bit(HCI_MGMT, &hdev->dev_flags) && !status) {
eac83dc6
MH		 533 if (sent->support)
534 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
535 else
536 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
537 }
5c1a4c8f
JK		 538
539 hci_dev_unlock(hdev);
eac83dc6
MH		 540}
541
a9de9248
MH		 542static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
543{
544 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 545
9f1db00c 546 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 547
a9de9248 548 if (rp->status)
42c6b129 549 return;
1143e5a6 550
8bfe8442
MH		 551 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
552 test_bit(HCI_CONFIG, &hdev->dev_flags)) {
0d5551f5
MH		 553 hdev->hci_ver = rp->hci_ver;
554 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
555 hdev->lmp_ver = rp->lmp_ver;
556 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
557 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
558 }
d5859e22
JH		 559}
560
8fc9ced3
GP		 561static void hci_cc_read_local_commands(struct hci_dev *hdev,
562 struct sk_buff *skb)
a9de9248
MH		 563{
564 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 565
9f1db00c 566 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 567
6a070e6e
MH		 568 if (rp->status)
569 return;
570
8bfe8442
MH		 571 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
572 test_bit(HCI_CONFIG, &hdev->dev_flags))
2177bab5 573 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 574}
1da177e4 575
8fc9ced3
GP		 576static void hci_cc_read_local_features(struct hci_dev *hdev,
577 struct sk_buff *skb)
a9de9248
MH		 578{
579 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 580
9f1db00c 581 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 582
a9de9248
MH		 583 if (rp->status)
584 return;
5b7f9909 585
a9de9248 586 memcpy(hdev->features, rp->features, 8);
5b7f9909 587
a9de9248
MH		 588 /* Adjust default settings according to features
589 * supported by device. */
1da177e4 590
cad718ed 591 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 592 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 593
cad718ed 594 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 595 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 596
cad718ed 597 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 598 hdev->pkt_type |= (HCI_HV2);
599 hdev->esco_type |= (ESCO_HV2);
600 }
1da177e4 601
cad718ed 602 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 603 hdev->pkt_type |= (HCI_HV3);
604 hdev->esco_type |= (ESCO_HV3);
605 }
1da177e4 606
45db810f 607 if (lmp_esco_capable(hdev))
a9de9248 608 hdev->esco_type |= (ESCO_EV3);
da1f5198 609
cad718ed 610 if (hdev->features[0][4] & LMP_EV4)
a9de9248 611 hdev->esco_type |= (ESCO_EV4);
da1f5198 612
cad718ed 613 if (hdev->features[0][4] & LMP_EV5)
a9de9248 614 hdev->esco_type |= (ESCO_EV5);
1da177e4 615
cad718ed 616 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 617 hdev->esco_type |= (ESCO_2EV3);
618
cad718ed 619 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 620 hdev->esco_type |= (ESCO_3EV3);
621
cad718ed 622 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 623 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 624}
1da177e4 625
971e3a4b 626static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 627 struct sk_buff *skb)
971e3a4b
AG		 628{
629 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
630
9f1db00c 631 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 632
633 if (rp->status)
42c6b129 634 return;
971e3a4b 635
57af75a8
MH		 636 if (hdev->max_page < rp->max_page)
637 hdev->max_page = rp->max_page;
d2c5d77f 638
cad718ed
JH		 639 if (rp->page < HCI_MAX_PAGES)
640 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 641}
642
1e89cffb 643static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 644 struct sk_buff *skb)
1e89cffb
AE		 645{
646 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
647
9f1db00c 648 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 649
45296acd
MH		 650 if (rp->status)
651 return;
652
653 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 654}
655
a9de9248
MH		 656static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
657{
658 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 659
9f1db00c 660 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 661
a9de9248
MH		 662 if (rp->status)
663 return;
1da177e4 664
a9de9248
MH		 665 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
666 hdev->sco_mtu = rp->sco_mtu;
667 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
668 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
669
670 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
671 hdev->sco_mtu = 64;
672 hdev->sco_pkts = 8;
1da177e4 673 }
a9de9248
MH		 674
675 hdev->acl_cnt = hdev->acl_pkts;
676 hdev->sco_cnt = hdev->sco_pkts;
677
807deac2
GP		 678 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
679 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 680}
681
682static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
683{
684 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
685
9f1db00c 686 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 687
e30d3f5f
MH		 688 if (rp->status)
689 return;
690
691 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 692 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 693
694 if (test_bit(HCI_SETUP, &hdev->dev_flags))
695 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 696}
697
f332ec66
JH		 698static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
699 struct sk_buff *skb)
700{
701 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
702
703 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
704
45296acd
MH		 705 if (rp->status)
706 return;
707
708 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 709 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
710 hdev->page_scan_window = __le16_to_cpu(rp->window);
711 }
712}
713
4a3ee763
JH		 714static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
715 struct sk_buff *skb)
716{
717 u8 status = *((u8 *) skb->data);
718 struct hci_cp_write_page_scan_activity *sent;
719
720 BT_DBG("%s status 0x%2.2x", hdev->name, status);
721
722 if (status)
723 return;
724
725 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
726 if (!sent)
727 return;
728
729 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
730 hdev->page_scan_window = __le16_to_cpu(sent->window);
731}
732
f332ec66
JH		 733static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
734 struct sk_buff *skb)
735{
736 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
737
738 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
739
45296acd
MH		 740 if (rp->status)
741 return;
742
743 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 744 hdev->page_scan_type = rp->type;
745}
746
4a3ee763
JH		 747static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
748 struct sk_buff *skb)
749{
750 u8 status = *((u8 *) skb->data);
751 u8 *type;
752
753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
754
755 if (status)
756 return;
757
758 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
759 if (type)
760 hdev->page_scan_type = *type;
761}
762
350ee4cf 763static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 764 struct sk_buff *skb)
350ee4cf
AE		 765{
766 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
767
9f1db00c 768 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 769
770 if (rp->status)
771 return;
772
773 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
774 hdev->block_len = __le16_to_cpu(rp->block_len);
775 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
776
777 hdev->block_cnt = hdev->num_blocks;
778
779 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 780 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 781}
782
33f35721
JH		 783static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
784{
785 struct hci_rp_read_clock *rp = (void *) skb->data;
786 struct hci_cp_read_clock *cp;
787 struct hci_conn *conn;
788
789 BT_DBG("%s", hdev->name);
790
791 if (skb->len < sizeof(*rp))
792 return;
793
794 if (rp->status)
795 return;
796
797 hci_dev_lock(hdev);
798
799 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
800 if (!cp)
801 goto unlock;
802
803 if (cp->which == 0x00) {
804 hdev->clock = le32_to_cpu(rp->clock);
805 goto unlock;
806 }
807
808 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
809 if (conn) {
810 conn->clock = le32_to_cpu(rp->clock);
811 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
812 }
813
814unlock:
815 hci_dev_unlock(hdev);
816}
817
928abaa7 818static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 819 struct sk_buff *skb)
928abaa7
AE		 820{
821 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
822
9f1db00c 823 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 824
825 if (rp->status)
8e2a0d92 826 goto a2mp_rsp;
928abaa7
AE		 827
828 hdev->amp_status = rp->amp_status;
829 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
830 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
831 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
832 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
833 hdev->amp_type = rp->amp_type;
834 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
835 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
836 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
837 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
838
8e2a0d92
AE		 839a2mp_rsp:
840 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 841}
842
903e4541
AE		 843static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
844 struct sk_buff *skb)
845{
846 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
847 struct amp_assoc *assoc = &hdev->loc_assoc;
848 size_t rem_len, frag_len;
849
850 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
851
852 if (rp->status)
853 goto a2mp_rsp;
854
855 frag_len = skb->len - sizeof(*rp);
856 rem_len = __le16_to_cpu(rp->rem_len);
857
858 if (rem_len > frag_len) {
2e430be3 859 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 860
861 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
862 assoc->offset += frag_len;
863
864 /* Read other fragments */
865 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
866
867 return;
868 }
869
870 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
871 assoc->len = assoc->offset + rem_len;
872 assoc->offset = 0;
873
874a2mp_rsp:
875 /* Send A2MP Rsp when all fragments are received */
876 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 877 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 878}
879
d5859e22 880static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 881 struct sk_buff *skb)
d5859e22 882{
91c4e9b1 883 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 884
9f1db00c 885 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 886
45296acd
MH		 887 if (rp->status)
888 return;
889
890 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 891}
892
980e1a53
JH		 893static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
894{
895 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
896 struct hci_cp_pin_code_reply *cp;
897 struct hci_conn *conn;
898
9f1db00c 899 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 900
56e5cb86
JH		 901 hci_dev_lock(hdev);
902
a8b2d5c2 903 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 904 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 905
fa1bd918 906 if (rp->status)
56e5cb86 907 goto unlock;
980e1a53
JH		 908
909 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
910 if (!cp)
56e5cb86 911 goto unlock;
980e1a53
JH		 912
913 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
914 if (conn)
915 conn->pin_length = cp->pin_len;
56e5cb86
JH		 916
917unlock:
918 hci_dev_unlock(hdev);
980e1a53
JH		 919}
920
921static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
922{
923 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
924
9f1db00c 925 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 926
56e5cb86
JH		 927 hci_dev_lock(hdev);
928
a8b2d5c2 929 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 930 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 931 rp->status);
56e5cb86
JH		 932
933 hci_dev_unlock(hdev);
980e1a53 934}
56e5cb86 935
6ed58ec5
VT		 936static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
937 struct sk_buff *skb)
938{
939 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
940
9f1db00c 941 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 942
943 if (rp->status)
944 return;
945
946 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
947 hdev->le_pkts = rp->le_max_pkt;
948
949 hdev->le_cnt = hdev->le_pkts;
950
951 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 952}
980e1a53 953
60e77321
JH		 954static void hci_cc_le_read_local_features(struct hci_dev *hdev,
955 struct sk_buff *skb)
956{
957 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
958
959 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
960
45296acd
MH		 961 if (rp->status)
962 return;
963
964 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 965}
966
8fa19098
JH		 967static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
968 struct sk_buff *skb)
969{
970 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
971
972 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
973
45296acd
MH		 974 if (rp->status)
975 return;
976
977 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 978}
979
a5c29683
JH		 980static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
981{
982 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
983
9f1db00c 984 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 985
56e5cb86
JH		 986 hci_dev_lock(hdev);
987
a8b2d5c2 988 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 989 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
990 rp->status);
56e5cb86
JH		 991
992 hci_dev_unlock(hdev);
a5c29683
JH		 993}
994
995static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 996 struct sk_buff *skb)
a5c29683
JH		 997{
998 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
999
9f1db00c 1000 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 1001
56e5cb86
JH		 1002 hci_dev_lock(hdev);
1003
a8b2d5c2 1004 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 1005 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 1006 ACL_LINK, 0, rp->status);
56e5cb86
JH		 1007
1008 hci_dev_unlock(hdev);
a5c29683
JH		 1009}
1010
1143d458
BG		 1011static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
1012{
1013 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1014
9f1db00c 1015 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 1016
1017 hci_dev_lock(hdev);
1018
a8b2d5c2 1019 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 1020 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 1021 0, rp->status);
1143d458
BG		 1022
1023 hci_dev_unlock(hdev);
1024}
1025
1026static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 1027 struct sk_buff *skb)
1143d458
BG		 1028{
1029 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1030
9f1db00c 1031 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 1032
1033 hci_dev_lock(hdev);
1034
a8b2d5c2 1035 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 1036 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 1037 ACL_LINK, 0, rp->status);
1143d458
BG		 1038
1039 hci_dev_unlock(hdev);
1040}
1041
4d2d2796
MH		 1042static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
1043 struct sk_buff *skb)
c35938b2
SJ		 1044{
1045 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1046
9f1db00c 1047 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 1048
56e5cb86 1049 hci_dev_lock(hdev);
38da1703
JH		 1050 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->rand, NULL, NULL,
1051 rp->status);
4d2d2796
MH		 1052 hci_dev_unlock(hdev);
1053}
1054
1055static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1056 struct sk_buff *skb)
1057{
1058 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1059
1060 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1061
1062 hci_dev_lock(hdev);
38da1703
JH		 1063 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->rand192,
1064 rp->hash256, rp->rand256,
4d2d2796 1065 rp->status);
56e5cb86 1066 hci_dev_unlock(hdev);
c35938b2
SJ		 1067}
1068
7a4cd51d
MH		 1069
1070static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1071{
1072 __u8 status = *((__u8 *) skb->data);
1073 bdaddr_t *sent;
1074
1075 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1076
45296acd
MH		 1077 if (status)
1078 return;
1079
7a4cd51d
MH		 1080 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1081 if (!sent)
1082 return;
1083
1084 hci_dev_lock(hdev);
1085
45296acd 1086 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1087
1088 hci_dev_unlock(hdev);
1089}
1090
c1d5dc4a
JH		 1091static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1092{
1093 __u8 *sent, status = *((__u8 *) skb->data);
1094
1095 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1096
45296acd 1097 if (status)
c1d5dc4a
JH		 1098 return;
1099
45296acd
MH		 1100 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1101 if (!sent)
3c857757
JH		 1102 return;
1103
c1d5dc4a
JH		 1104 hci_dev_lock(hdev);
1105
49c922bb 1106 /* If we're doing connection initiation as peripheral. Set a
3c857757
JH		 1107 * timeout in case something goes wrong.
1108 */
1109 if (*sent) {
1110 struct hci_conn *conn;
1111
66c417c1
JH		 1112 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1113
3c857757
JH		 1114 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1115 if (conn)
1116 queue_delayed_work(hdev->workqueue,
1117 &conn->le_conn_timeout,
09ae260b 1118 conn->conn_timeout);
66c417c1
JH		 1119 } else {
1120 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1121 }
1122
04b4edcb 1123 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1124}
1125
533553f8
MH		 1126static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1127{
1128 struct hci_cp_le_set_scan_param *cp;
1129 __u8 status = *((__u8 *) skb->data);
1130
1131 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1132
45296acd
MH		 1133 if (status)
1134 return;
1135
533553f8
MH		 1136 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1137 if (!cp)
1138 return;
1139
1140 hci_dev_lock(hdev);
1141
45296acd 1142 hdev->le_scan_type = cp->type;
533553f8
MH		 1143
1144 hci_dev_unlock(hdev);
1145}
1146
b9a6328f
JH		 1147static bool has_pending_adv_report(struct hci_dev *hdev)
1148{
1149 struct discovery_state *d = &hdev->discovery;
1150
1151 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1152}
1153
1154static void clear_pending_adv_report(struct hci_dev *hdev)
1155{
1156 struct discovery_state *d = &hdev->discovery;
1157
1158 bacpy(&d->last_adv_addr, BDADDR_ANY);
1159 d->last_adv_data_len = 0;
1160}
1161
1162static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1163 u8 bdaddr_type, s8 rssi, u32 flags,
1164 u8 *data, u8 len)
b9a6328f
JH		 1165{
1166 struct discovery_state *d = &hdev->discovery;
1167
1168 bacpy(&d->last_adv_addr, bdaddr);
1169 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1170 d->last_adv_rssi = rssi;
c70a7e4c 1171 d->last_adv_flags = flags;
b9a6328f
JH		 1172 memcpy(d->last_adv_data, data, len);
1173 d->last_adv_data_len = len;
1174}
1175
eb9d91f5 1176static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1177 struct sk_buff *skb)
eb9d91f5
AG		 1178{
1179 struct hci_cp_le_set_scan_enable *cp;
1180 __u8 status = *((__u8 *) skb->data);
1181
9f1db00c 1182 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1183
45296acd 1184 if (status)
eb9d91f5
AG		 1185 return;
1186
45296acd
MH		 1187 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1188 if (!cp)
3fd319b8
AG		 1189 return;
1190
5c1a4c8f
JK		 1191 hci_dev_lock(hdev);
1192
68a8aea4 1193 switch (cp->enable) {
76a388be 1194 case LE_SCAN_ENABLE:
d23264a8 1195 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1196 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1197 clear_pending_adv_report(hdev);
68a8aea4
AE		 1198 break;
1199
76a388be 1200 case LE_SCAN_DISABLE:
b9a6328f
JH		 1201 /* We do this here instead of when setting DISCOVERY_STOPPED
1202 * since the latter would potentially require waiting for
1203 * inquiry to stop too.
1204 */
1205 if (has_pending_adv_report(hdev)) {
1206 struct discovery_state *d = &hdev->discovery;
1207
1208 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1209 d->last_adv_addr_type, NULL,
c70a7e4c 1210 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1211 d->last_adv_data,
b9a6328f
JH		 1212 d->last_adv_data_len, NULL, 0);
1213 }
1214
317ac8cb
JH		 1215 /* Cancel this timer so that we don't try to disable scanning
1216 * when it's already disabled.
1217 */
1218 cancel_delayed_work(&hdev->le_scan_disable);
1219
d23264a8 1220 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1221
81ad6fd9
JH		 1222 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1223 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1224 * therefore discovery as stopped. If this was not
1225 * because of a connect request advertising might have
1226 * been disabled because of active scanning, so
1227 * re-enable it again if necessary.
81ad6fd9
JH		 1228 */
1229 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1230 &hdev->dev_flags))
1231 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1232 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1233 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1234 mgmt_reenable_advertising(hdev);
1235
68a8aea4
AE		 1236 break;
1237
1238 default:
1239 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1240 break;
35815085 1241 }
5c1a4c8f
JK		 1242
1243 hci_dev_unlock(hdev);
eb9d91f5
AG		 1244}
1245
cf1d081f
JH		 1246static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1247 struct sk_buff *skb)
1248{
1249 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1250
1251 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1252
45296acd
MH		 1253 if (rp->status)
1254 return;
1255
1256 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1257}
1258
0f36b589
MH		 1259static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1260 struct sk_buff *skb)
1261{
1262 __u8 status = *((__u8 *) skb->data);
1263
1264 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1265
45296acd
MH		 1266 if (status)
1267 return;
1268
dcc36c16 1269 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1270}
1271
1272static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1273 struct sk_buff *skb)
1274{
1275 struct hci_cp_le_add_to_white_list *sent;
1276 __u8 status = *((__u8 *) skb->data);
1277
1278 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1279
45296acd
MH		 1280 if (status)
1281 return;
1282
0f36b589
MH		 1283 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1284 if (!sent)
1285 return;
1286
dcc36c16
JH		 1287 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1288 sent->bdaddr_type);
0f36b589
MH		 1289}
1290
1291static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1292 struct sk_buff *skb)
1293{
1294 struct hci_cp_le_del_from_white_list *sent;
1295 __u8 status = *((__u8 *) skb->data);
1296
1297 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1298
45296acd
MH		 1299 if (status)
1300 return;
1301
0f36b589
MH		 1302 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1303 if (!sent)
1304 return;
1305
dcc36c16
JH		 1306 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1307 sent->bdaddr_type);
0f36b589
MH		 1308}
1309
9b008c04
JH		 1310static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1311 struct sk_buff *skb)
1312{
1313 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1314
1315 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1316
45296acd
MH		 1317 if (rp->status)
1318 return;
1319
1320 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1321}
1322
a8e1bfaa
MH		 1323static void hci_cc_le_read_def_data_len(struct hci_dev *hdev,
1324 struct sk_buff *skb)
1325{
1326 struct hci_rp_le_read_def_data_len *rp = (void *) skb->data;
1327
1328 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1329
1330 if (rp->status)
1331 return;
1332
1333 hdev->le_def_tx_len = le16_to_cpu(rp->tx_len);
1334 hdev->le_def_tx_time = le16_to_cpu(rp->tx_time);
1335}
1336
1337static void hci_cc_le_write_def_data_len(struct hci_dev *hdev,
1338 struct sk_buff *skb)
1339{
1340 struct hci_cp_le_write_def_data_len *sent;
1341 __u8 status = *((__u8 *) skb->data);
1342
1343 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1344
1345 if (status)
1346 return;
1347
1348 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN);
1349 if (!sent)
1350 return;
1351
1352 hdev->le_def_tx_len = le16_to_cpu(sent->tx_len);
1353 hdev->le_def_tx_time = le16_to_cpu(sent->tx_time);
1354}
1355
1356static void hci_cc_le_read_max_data_len(struct hci_dev *hdev,
1357 struct sk_buff *skb)
1358{
1359 struct hci_rp_le_read_max_data_len *rp = (void *) skb->data;
1360
1361 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1362
1363 if (rp->status)
1364 return;
1365
1366 hdev->le_max_tx_len = le16_to_cpu(rp->tx_len);
1367 hdev->le_max_tx_time = le16_to_cpu(rp->tx_time);
1368 hdev->le_max_rx_len = le16_to_cpu(rp->rx_len);
1369 hdev->le_max_rx_time = le16_to_cpu(rp->rx_time);
1370}
1371
6039aa73
GP		 1372static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1373 struct sk_buff *skb)
f9b49306 1374{
06199cf8 1375 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1376 __u8 status = *((__u8 *) skb->data);
1377
9f1db00c 1378 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1379
45296acd
MH		 1380 if (status)
1381 return;
1382
06199cf8 1383 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1384 if (!sent)
f9b49306
AG		 1385 return;
1386
5c1a4c8f
JK		 1387 hci_dev_lock(hdev);
1388
45296acd
MH		 1389 if (sent->le) {
1390 hdev->features[1][0] |= LMP_HOST_LE;
1391 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1392 } else {
1393 hdev->features[1][0] &= ~LMP_HOST_LE;
1394 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1395 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1396 }
45296acd
MH		 1397
1398 if (sent->simul)
1399 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1400 else
1401 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
5c1a4c8f
JK		 1402
1403 hci_dev_unlock(hdev);
f9b49306
AG		 1404}
1405
56ed2cb8
JH		 1406static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1407{
1408 struct hci_cp_le_set_adv_param *cp;
1409 u8 status = *((u8 *) skb->data);
1410
1411 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1412
1413 if (status)
1414 return;
1415
1416 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1417 if (!cp)
1418 return;
1419
1420 hci_dev_lock(hdev);
1421 hdev->adv_addr_type = cp->own_address_type;
1422 hci_dev_unlock(hdev);
1423}
1424
93c284ee
AE		 1425static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1426 struct sk_buff *skb)
1427{
1428 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1429
1430 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1431 hdev->name, rp->status, rp->phy_handle);
1432
1433 if (rp->status)
1434 return;
1435
1436 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1437}
1438
5ae76a94
AK		 1439static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1440{
1441 struct hci_rp_read_rssi *rp = (void *) skb->data;
1442 struct hci_conn *conn;
1443
1444 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1445
1446 if (rp->status)
1447 return;
1448
1449 hci_dev_lock(hdev);
1450
1451 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1452 if (conn)
1453 conn->rssi = rp->rssi;
1454
1455 hci_dev_unlock(hdev);
1456}
1457
5a134fae
AK		 1458static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1459{
1460 struct hci_cp_read_tx_power *sent;
1461 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1462 struct hci_conn *conn;
1463
1464 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1465
1466 if (rp->status)
1467 return;
1468
1469 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1470 if (!sent)
1471 return;
1472
1473 hci_dev_lock(hdev);
1474
1475 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1476 if (!conn)
1477 goto unlock;
1478
1479 switch (sent->type) {
1480 case 0x00:
5a134fae 1481 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1482 break;
1483 case 0x01:
1484 conn->max_tx_power = rp->tx_power;
1485 break;
1486 }
5a134fae 1487
d0455ed9 1488unlock:
5a134fae
AK		 1489 hci_dev_unlock(hdev);
1490}
1491
6039aa73 1492static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1493{
9f1db00c 1494 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1495
1496 if (status) {
a9de9248 1497 hci_conn_check_pending(hdev);
314b2381
JH		 1498 return;
1499 }
1500
89352e7d 1501 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1502}
1503
6039aa73 1504static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1505{
a9de9248 1506 struct hci_cp_create_conn *cp;
1da177e4 1507 struct hci_conn *conn;
1da177e4 1508
9f1db00c 1509 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1510
1511 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1512 if (!cp)
1513 return;
1514
1515 hci_dev_lock(hdev);
1516
1517 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1518
6ed93dc6 1519 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1520
1521 if (status) {
1522 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1523 if (status != 0x0c || conn->attempt > 2) {
1524 conn->state = BT_CLOSED;
1525 hci_proto_connect_cfm(conn, status);
1526 hci_conn_del(conn);
1527 } else
1528 conn->state = BT_CONNECT2;
1da177e4
LT		 1529 }
1530 } else {
1531 if (!conn) {
a5c4e309
JH		 1532 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1533 HCI_ROLE_MASTER);
1534 if (!conn)
893ef971 1535 BT_ERR("No memory for new connection");
1da177e4
LT		 1536 }
1537 }
1538
1539 hci_dev_unlock(hdev);
1540}
1541
a9de9248 1542static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1543{
a9de9248
MH		 1544 struct hci_cp_add_sco *cp;
1545 struct hci_conn *acl, *sco;
1546 __u16 handle;
1da177e4 1547
9f1db00c 1548 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1549
a9de9248
MH		 1550 if (!status)
1551 return;
1da177e4 1552
a9de9248
MH		 1553 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1554 if (!cp)
1555 return;
1da177e4 1556
a9de9248 1557 handle = __le16_to_cpu(cp->handle);
1da177e4 1558
9f1db00c 1559 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1560
a9de9248 1561 hci_dev_lock(hdev);
1da177e4 1562
a9de9248 1563 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1564 if (acl) {
1565 sco = acl->link;
1566 if (sco) {
1567 sco->state = BT_CLOSED;
1da177e4 1568
5a08ecce
AE		 1569 hci_proto_connect_cfm(sco, status);
1570 hci_conn_del(sco);
1571 }
a9de9248 1572 }
1da177e4 1573
a9de9248
MH		 1574 hci_dev_unlock(hdev);
1575}
1da177e4 1576
f8558555
MH		 1577static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1578{
1579 struct hci_cp_auth_requested *cp;
1580 struct hci_conn *conn;
1581
9f1db00c 1582 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1583
1584 if (!status)
1585 return;
1586
1587 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1588 if (!cp)
1589 return;
1590
1591 hci_dev_lock(hdev);
1592
1593 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1594 if (conn) {
1595 if (conn->state == BT_CONFIG) {
1596 hci_proto_connect_cfm(conn, status);
76a68ba0 1597 hci_conn_drop(conn);
f8558555
MH		 1598 }
1599 }
1600
1601 hci_dev_unlock(hdev);
1602}
1603
1604static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1605{
1606 struct hci_cp_set_conn_encrypt *cp;
1607 struct hci_conn *conn;
1608
9f1db00c 1609 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1610
1611 if (!status)
1612 return;
1613
1614 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1615 if (!cp)
1616 return;
1617
1618 hci_dev_lock(hdev);
1619
1620 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1621 if (conn) {
1622 if (conn->state == BT_CONFIG) {
1623 hci_proto_connect_cfm(conn, status);
76a68ba0 1624 hci_conn_drop(conn);
f8558555
MH		 1625 }
1626 }
1627
1628 hci_dev_unlock(hdev);
1629}
1630
127178d2 1631static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1632 struct hci_conn *conn)
392599b9 1633{
392599b9
JH		 1634 if (conn->state != BT_CONFIG || !conn->out)
1635 return 0;
1636
765c2a96 1637 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1638 return 0;
1639
1640 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1641 * devices with sec_level MEDIUM or HIGH or if MITM protection
1642 * is requested.
1643 */
807deac2 1644 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1645 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1646 conn->pending_sec_level != BT_SECURITY_HIGH &&
1647 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1648 return 0;
1649
392599b9
JH		 1650 return 1;
1651}
1652
6039aa73 1653static int hci_resolve_name(struct hci_dev *hdev,
04124681 1654 struct inquiry_entry *e)
30dc78e1
JH		 1655{
1656 struct hci_cp_remote_name_req cp;
1657
1658 memset(&cp, 0, sizeof(cp));
1659
1660 bacpy(&cp.bdaddr, &e->data.bdaddr);
1661 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1662 cp.pscan_mode = e->data.pscan_mode;
1663 cp.clock_offset = e->data.clock_offset;
1664
1665 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1666}
1667
b644ba33 1668static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1669{
1670 struct discovery_state *discov = &hdev->discovery;
1671 struct inquiry_entry *e;
1672
b644ba33
JH		 1673 if (list_empty(&discov->resolve))
1674 return false;
1675
1676 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1677 if (!e)
1678 return false;
1679
b644ba33
JH		 1680 if (hci_resolve_name(hdev, e) == 0) {
1681 e->name_state = NAME_PENDING;
1682 return true;
1683 }
1684
1685 return false;
1686}
1687
1688static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1689 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1690{
1691 struct discovery_state *discov = &hdev->discovery;
1692 struct inquiry_entry *e;
1693
60cb49d2
JH		 1694 /* Update the mgmt connected state if necessary. Be careful with
1695 * conn objects that exist but are not (yet) connected however.
1696 * Only those in BT_CONFIG or BT_CONNECTED states can be
1697 * considered connected.
1698 */
1699 if (conn &&
1700 (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) &&
cb77c3ec 1701 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 1702 mgmt_device_connected(hdev, conn, 0, name, name_len);
b644ba33
JH		 1703
1704 if (discov->state == DISCOVERY_STOPPED)
1705 return;
1706
30dc78e1
JH		 1707 if (discov->state == DISCOVERY_STOPPING)
1708 goto discov_complete;
1709
1710 if (discov->state != DISCOVERY_RESOLVING)
1711 return;
1712
1713 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1714 /* If the device was not found in a list of found devices names of which
1715 * are pending. there is no need to continue resolving a next name as it
1716 * will be done upon receiving another Remote Name Request Complete
1717 * Event */
1718 if (!e)
1719 return;
1720
1721 list_del(&e->list);
1722 if (name) {
30dc78e1 1723 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1724 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1725 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1726 } else {
1727 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1728 }
1729
b644ba33 1730 if (hci_resolve_next_name(hdev))
30dc78e1 1731 return;
30dc78e1
JH		 1732
1733discov_complete:
1734 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1735}
1736
a9de9248
MH		 1737static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1738{
127178d2
JH		 1739 struct hci_cp_remote_name_req *cp;
1740 struct hci_conn *conn;
1741
9f1db00c 1742 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1743
1744 /* If successful wait for the name req complete event before
1745 * checking for the need to do authentication */
1746 if (!status)
1747 return;
1748
1749 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1750 if (!cp)
1751 return;
1752
1753 hci_dev_lock(hdev);
1754
b644ba33
JH		 1755 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1756
a8b2d5c2 1757 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1758 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1759
79c6c70c
JH		 1760 if (!conn)
1761 goto unlock;
1762
1763 if (!hci_outgoing_auth_needed(hdev, conn))
1764 goto unlock;
1765
51a8efd7 1766 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1767 struct hci_cp_auth_requested auth_cp;
1768
977f8fce
JH		 1769 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1770
c1f23a2b
JB		 1771 auth_cp.handle = __cpu_to_le16(conn->handle);
1772 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1773 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1774 }
1775
79c6c70c 1776unlock:
127178d2 1777 hci_dev_unlock(hdev);
a9de9248 1778}
1da177e4 1779
769be974
MH		 1780static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1781{
1782 struct hci_cp_read_remote_features *cp;
1783 struct hci_conn *conn;
1784
9f1db00c 1785 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1786
1787 if (!status)
1788 return;
1789
1790 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1791 if (!cp)
1792 return;
1793
1794 hci_dev_lock(hdev);
1795
1796 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1797 if (conn) {
1798 if (conn->state == BT_CONFIG) {
769be974 1799 hci_proto_connect_cfm(conn, status);
76a68ba0 1800 hci_conn_drop(conn);
769be974
MH		 1801 }
1802 }
1803
1804 hci_dev_unlock(hdev);
1805}
1806
1807static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1808{
1809 struct hci_cp_read_remote_ext_features *cp;
1810 struct hci_conn *conn;
1811
9f1db00c 1812 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1813
1814 if (!status)
1815 return;
1816
1817 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1818 if (!cp)
1819 return;
1820
1821 hci_dev_lock(hdev);
1822
1823 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1824 if (conn) {
1825 if (conn->state == BT_CONFIG) {
769be974 1826 hci_proto_connect_cfm(conn, status);
76a68ba0 1827 hci_conn_drop(conn);
769be974
MH		 1828 }
1829 }
1830
1831 hci_dev_unlock(hdev);
1832}
1833
a9de9248
MH		 1834static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1835{
b6a0dc82
MH		 1836 struct hci_cp_setup_sync_conn *cp;
1837 struct hci_conn *acl, *sco;
1838 __u16 handle;
1839
9f1db00c 1840 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1841
1842 if (!status)
1843 return;
1844
1845 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1846 if (!cp)
1847 return;
1848
1849 handle = __le16_to_cpu(cp->handle);
1850
9f1db00c 1851 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1852
1853 hci_dev_lock(hdev);
1854
1855 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1856 if (acl) {
1857 sco = acl->link;
1858 if (sco) {
1859 sco->state = BT_CLOSED;
b6a0dc82 1860
5a08ecce
AE		 1861 hci_proto_connect_cfm(sco, status);
1862 hci_conn_del(sco);
1863 }
b6a0dc82
MH		 1864 }
1865
1866 hci_dev_unlock(hdev);
1da177e4
LT		 1867}
1868
a9de9248 1869static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1870{
a9de9248
MH		 1871 struct hci_cp_sniff_mode *cp;
1872 struct hci_conn *conn;
1da177e4 1873
9f1db00c 1874 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1875
a9de9248
MH		 1876 if (!status)
1877 return;
04837f64 1878
a9de9248
MH		 1879 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1880 if (!cp)
1881 return;
04837f64 1882
a9de9248 1883 hci_dev_lock(hdev);
04837f64 1884
a9de9248 1885 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1886 if (conn) {
51a8efd7 1887 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1888
51a8efd7 1889 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1890 hci_sco_setup(conn, status);
1891 }
1892
a9de9248
MH		 1893 hci_dev_unlock(hdev);
1894}
04837f64 1895
a9de9248
MH		 1896static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1897{
1898 struct hci_cp_exit_sniff_mode *cp;
1899 struct hci_conn *conn;
04837f64 1900
9f1db00c 1901 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1902
a9de9248
MH		 1903 if (!status)
1904 return;
04837f64 1905
a9de9248
MH		 1906 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1907 if (!cp)
1908 return;
04837f64 1909
a9de9248 1910 hci_dev_lock(hdev);
1da177e4 1911
a9de9248 1912 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1913 if (conn) {
51a8efd7 1914 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1915
51a8efd7 1916 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1917 hci_sco_setup(conn, status);
1918 }
1919
a9de9248 1920 hci_dev_unlock(hdev);
1da177e4
LT		 1921}
1922
88c3df13
JH		 1923static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1924{
1925 struct hci_cp_disconnect *cp;
1926 struct hci_conn *conn;
1927
1928 if (!status)
1929 return;
1930
1931 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1932 if (!cp)
1933 return;
1934
1935 hci_dev_lock(hdev);
1936
1937 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1938 if (conn)
1939 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1940 conn->dst_type, status);
88c3df13
JH		 1941
1942 hci_dev_unlock(hdev);
1943}
1944
a02226d6
AE		 1945static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1946{
93c284ee
AE		 1947 struct hci_cp_create_phy_link *cp;
1948
a02226d6 1949 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1950
93c284ee
AE		 1951 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1952 if (!cp)
1953 return;
1954
e58917b9
AE		 1955 hci_dev_lock(hdev);
1956
1957 if (status) {
1958 struct hci_conn *hcon;
1959
1960 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1961 if (hcon)
1962 hci_conn_del(hcon);
1963 } else {
1964 amp_write_remote_assoc(hdev, cp->phy_handle);
1965 }
1966
1967 hci_dev_unlock(hdev);
a02226d6
AE		 1968}
1969
0b26ab9d
AE		 1970static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1971{
1972 struct hci_cp_accept_phy_link *cp;
1973
1974 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1975
1976 if (status)
1977 return;
1978
1979 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1980 if (!cp)
1981 return;
1982
1983 amp_write_remote_assoc(hdev, cp->phy_handle);
1984}
1985
cb1d68f7
JH		 1986static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1987{
1988 struct hci_cp_le_create_conn *cp;
1989 struct hci_conn *conn;
1990
1991 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1992
1993 /* All connection failure handling is taken care of by the
1994 * hci_le_conn_failed function which is triggered by the HCI
1995 * request completion callbacks used for connecting.
1996 */
1997 if (status)
1998 return;
1999
2000 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
2001 if (!cp)
2002 return;
2003
2004 hci_dev_lock(hdev);
2005
2006 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
2007 if (!conn)
2008 goto unlock;
2009
2010 /* Store the initiator and responder address information which
2011 * is needed for SMP. These values will not change during the
2012 * lifetime of the connection.
2013 */
2014 conn->init_addr_type = cp->own_address_type;
2015 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
2016 bacpy(&conn->init_addr, &hdev->random_addr);
2017 else
2018 bacpy(&conn->init_addr, &hdev->bdaddr);
2019
2020 conn->resp_addr_type = cp->peer_addr_type;
2021 bacpy(&conn->resp_addr, &cp->peer_addr);
2022
9489eca4
JH		 2023 /* We don't want the connection attempt to stick around
2024 * indefinitely since LE doesn't have a page timeout concept
2025 * like BR/EDR. Set a timer for any connection that doesn't use
2026 * the white list for connecting.
2027 */
2028 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
2029 queue_delayed_work(conn->hdev->workqueue,
2030 &conn->le_conn_timeout,
09ae260b 2031 conn->conn_timeout);
9489eca4 2032
cb1d68f7
JH		 2033unlock:
2034 hci_dev_unlock(hdev);
2035}
2036
81d0c8ad
JH		 2037static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
2038{
2039 struct hci_cp_le_start_enc *cp;
2040 struct hci_conn *conn;
2041
2042 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2043
2044 if (!status)
2045 return;
2046
2047 hci_dev_lock(hdev);
2048
2049 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
2050 if (!cp)
2051 goto unlock;
2052
2053 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
2054 if (!conn)
2055 goto unlock;
2056
2057 if (conn->state != BT_CONNECTED)
2058 goto unlock;
2059
2060 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2061 hci_conn_drop(conn);
2062
2063unlock:
2064 hci_dev_unlock(hdev);
2065}
2066
50fc85f1
KP		 2067static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
2068{
2069 struct hci_cp_switch_role *cp;
2070 struct hci_conn *conn;
2071
2072 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2073
2074 if (!status)
2075 return;
2076
2077 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
2078 if (!cp)
2079 return;
2080
2081 hci_dev_lock(hdev);
2082
2083 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
2084 if (conn)
2085 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2086
2087 hci_dev_unlock(hdev);
2088}
2089
6039aa73 2090static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 2091{
2092 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 2093 struct discovery_state *discov = &hdev->discovery;
2094 struct inquiry_entry *e;
1da177e4 2095
9f1db00c 2096 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 2097
a9de9248 2098 hci_conn_check_pending(hdev);
89352e7d
AG		 2099
2100 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
2101 return;
2102
4e857c58 2103 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 2104 wake_up_bit(&hdev->flags, HCI_INQUIRY);
2105
a8b2d5c2 2106 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 2107 return;
2108
56e5cb86 2109 hci_dev_lock(hdev);
30dc78e1 2110
343f935b 2111 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 2112 goto unlock;
2113
2114 if (list_empty(&discov->resolve)) {
2115 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2116 goto unlock;
2117 }
2118
2119 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2120 if (e && hci_resolve_name(hdev, e) == 0) {
2121 e->name_state = NAME_PENDING;
2122 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2123 } else {
2124 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2125 }
2126
2127unlock:
56e5cb86 2128 hci_dev_unlock(hdev);
1da177e4
LT		 2129}
2130
6039aa73 2131static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2132{
45bb4bf0 2133 struct inquiry_data data;
a9de9248 2134 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 2135 int num_rsp = *((__u8 *) skb->data);
2136
2137 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2138
45bb4bf0
MH		 2139 if (!num_rsp)
2140 return;
2141
1519cc17
AG		 2142 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2143 return;
2144
1da177e4 2145 hci_dev_lock(hdev);
45bb4bf0 2146
e17acd40 2147 for (; num_rsp; num_rsp--, info++) {
af58925c 2148 u32 flags;
3175405b 2149
1da177e4
LT		 2150 bacpy(&data.bdaddr, &info->bdaddr);
2151 data.pscan_rep_mode = info->pscan_rep_mode;
2152 data.pscan_period_mode = info->pscan_period_mode;
2153 data.pscan_mode = info->pscan_mode;
2154 memcpy(data.dev_class, info->dev_class, 3);
2155 data.clock_offset = info->clock_offset;
efb2513f 2156 data.rssi = HCI_RSSI_INVALID;
41a96212 2157 data.ssp_mode = 0x00;
3175405b 2158
af58925c
MH		 2159 flags = hci_inquiry_cache_update(hdev, &data, false);
2160
48264f06 2161 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
efb2513f
MH		 2162 info->dev_class, HCI_RSSI_INVALID,
2163 flags, NULL, 0, NULL, 0);
1da177e4 2164 }
45bb4bf0 2165
1da177e4
LT		 2166 hci_dev_unlock(hdev);
2167}
2168
6039aa73 2169static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2170{
a9de9248
MH		 2171 struct hci_ev_conn_complete *ev = (void *) skb->data;
2172 struct hci_conn *conn;
1da177e4
LT		 2173
2174 BT_DBG("%s", hdev->name);
2175
2176 hci_dev_lock(hdev);
2177
2178 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2179 if (!conn) {
2180 if (ev->link_type != SCO_LINK)
2181 goto unlock;
2182
2183 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2184 if (!conn)
2185 goto unlock;
2186
2187 conn->type = SCO_LINK;
2188 }
1da177e4
LT		 2189
2190 if (!ev->status) {
2191 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2192
2193 if (conn->type == ACL_LINK) {
2194 conn->state = BT_CONFIG;
2195 hci_conn_hold(conn);
a9ea3ed9
SJ		 2196
2197 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2198 !hci_find_link_key(hdev, &ev->bdaddr))
2199 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2200 else
2201 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2202 } else
2203 conn->state = BT_CONNECTED;
1da177e4 2204
23b9ceb7 2205 hci_debugfs_create_conn(conn);
7d0db0a3
MH		 2206 hci_conn_add_sysfs(conn);
2207
1da177e4 2208 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2209 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2210
2211 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2212 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2213
04837f64
MH		 2214 /* Get remote features */
2215 if (conn->type == ACL_LINK) {
2216 struct hci_cp_read_remote_features cp;
2217 cp.handle = ev->handle;
769be974 2218 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2219 sizeof(cp), &cp);
22f433dc 2220
1d2dc5b7 2221 hci_update_page_scan(hdev);
04837f64
MH		 2222 }
2223
1da177e4 2224 /* Set packet type for incoming connection */
d095c1eb 2225 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2226 struct hci_cp_change_conn_ptype cp;
2227 cp.handle = ev->handle;
a8746417 2228 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2229 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2230 &cp);
1da177e4 2231 }
17d5c04c 2232 } else {
1da177e4 2233 conn->state = BT_CLOSED;
17d5c04c 2234 if (conn->type == ACL_LINK)
64c7b77c 2235 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2236 conn->dst_type, ev->status);
17d5c04c 2237 }
1da177e4 2238
e73439d8
MH		 2239 if (conn->type == ACL_LINK)
2240 hci_sco_setup(conn, ev->status);
1da177e4 2241
769be974
MH		 2242 if (ev->status) {
2243 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2244 hci_conn_del(conn);
c89b6e6b
MH		 2245 } else if (ev->link_type != ACL_LINK)
2246 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2247
a9de9248 2248unlock:
1da177e4 2249 hci_dev_unlock(hdev);
1da177e4 2250
a9de9248 2251 hci_conn_check_pending(hdev);
1da177e4
LT		 2252}
2253
70c46425
JH		 2254static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2255{
2256 struct hci_cp_reject_conn_req cp;
2257
2258 bacpy(&cp.bdaddr, bdaddr);
2259 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2260 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2261}
2262
6039aa73 2263static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2264{
a9de9248
MH		 2265 struct hci_ev_conn_request *ev = (void *) skb->data;
2266 int mask = hdev->link_mode;
70c46425
JH		 2267 struct inquiry_entry *ie;
2268 struct hci_conn *conn;
20714bfe 2269 __u8 flags = 0;
1da177e4 2270
6ed93dc6 2271 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2272 ev->link_type);
1da177e4 2273
20714bfe
FD		 2274 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2275 &flags);
1da177e4 2276
70c46425
JH		 2277 if (!(mask & HCI_LM_ACCEPT)) {
2278 hci_reject_conn(hdev, &ev->bdaddr);
2279 return;
2280 }
2281
46c4c941
JH		 2282 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2283 BDADDR_BREDR)) {
2284 hci_reject_conn(hdev, &ev->bdaddr);
2285 return;
2286 }
2287
6a8fc95c
JH		 2288 /* Require HCI_CONNECTABLE or a whitelist entry to accept the
2289 * connection. These features are only touched through mgmt so
2290 * only do the checks if HCI_MGMT is set.
2291 */
2292 if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
2293 !test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
46c4c941
JH		 2294 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2295 BDADDR_BREDR)) {
2296 hci_reject_conn(hdev, &ev->bdaddr);
2297 return;
70c46425 2298 }
1da177e4 2299
70c46425 2300 /* Connection accepted */
b6a0dc82 2301
70c46425
JH		 2302 hci_dev_lock(hdev);
2303
2304 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2305 if (ie)
2306 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2307
70c46425
JH		 2308 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2309 &ev->bdaddr);
2310 if (!conn) {
a5c4e309
JH		 2311 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2312 HCI_ROLE_SLAVE);
a9de9248 2313 if (!conn) {
70c46425
JH		 2314 BT_ERR("No memory for new connection");
2315 hci_dev_unlock(hdev);
2316 return;
1da177e4 2317 }
70c46425 2318 }
b6a0dc82 2319
70c46425 2320 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2321
70c46425 2322 hci_dev_unlock(hdev);
1da177e4 2323
70c46425
JH		 2324 if (ev->link_type == ACL_LINK ||
2325 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2326 struct hci_cp_accept_conn_req cp;
2327 conn->state = BT_CONNECT;
1da177e4 2328
70c46425 2329 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2330
70c46425
JH		 2331 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2332 cp.role = 0x00; /* Become master */
2333 else
2334 cp.role = 0x01; /* Remain slave */
b6a0dc82 2335
70c46425
JH		 2336 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2337 } else if (!(flags & HCI_PROTO_DEFER)) {
2338 struct hci_cp_accept_sync_conn_req cp;
2339 conn->state = BT_CONNECT;
b6a0dc82 2340
70c46425
JH		 2341 bacpy(&cp.bdaddr, &ev->bdaddr);
2342 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2343
70c46425
JH		 2344 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2345 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2346 cp.max_latency = cpu_to_le16(0xffff);
2347 cp.content_format = cpu_to_le16(hdev->voice_setting);
2348 cp.retrans_effort = 0xff;
1da177e4 2349
70c46425
JH		 2350 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2351 &cp);
a9de9248 2352 } else {
70c46425
JH		 2353 conn->state = BT_CONNECT2;
2354 hci_proto_connect_cfm(conn, 0);
1da177e4 2355 }
1da177e4
LT		 2356}
2357
f0d6a0ea
MA		 2358static u8 hci_to_mgmt_reason(u8 err)
2359{
2360 switch (err) {
2361 case HCI_ERROR_CONNECTION_TIMEOUT:
2362 return MGMT_DEV_DISCONN_TIMEOUT;
2363 case HCI_ERROR_REMOTE_USER_TERM:
2364 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2365 case HCI_ERROR_REMOTE_POWER_OFF:
2366 return MGMT_DEV_DISCONN_REMOTE;
2367 case HCI_ERROR_LOCAL_HOST_TERM:
2368 return MGMT_DEV_DISCONN_LOCAL_HOST;
2369 default:
2370 return MGMT_DEV_DISCONN_UNKNOWN;
2371 }
2372}
2373
6039aa73 2374static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2375{
a9de9248 2376 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2377 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2378 struct hci_conn_params *params;
04837f64 2379 struct hci_conn *conn;
12d4a3b2 2380 bool mgmt_connected;
3846220b 2381 u8 type;
04837f64 2382
9f1db00c 2383 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2384
2385 hci_dev_lock(hdev);
2386
2387 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2388 if (!conn)
2389 goto unlock;
7d0db0a3 2390
abf54a50
AG		 2391 if (ev->status) {
2392 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2393 conn->dst_type, ev->status);
2394 goto unlock;
37d9ef76 2395 }
f7520543 2396
3846220b
AG		 2397 conn->state = BT_CLOSED;
2398
12d4a3b2
JH		 2399 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2400 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2401 reason, mgmt_connected);
abf54a50 2402
22f433dc
JH		 2403 if (conn->type == ACL_LINK) {
2404 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2405 hci_remove_link_key(hdev, &conn->dst);
2406
1d2dc5b7 2407 hci_update_page_scan(hdev);
22f433dc 2408 }
2210246c 2409
9fcb18ef
AG		 2410 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2411 if (params) {
2412 switch (params->auto_connect) {
2413 case HCI_AUTO_CONN_LINK_LOSS:
2414 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2415 break;
2416 /* Fall through */
2417
4b9e7e75 2418 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2419 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2420 list_del_init(&params->action);
2421 list_add(&params->action, &hdev->pend_le_conns);
2422 hci_update_background_scan(hdev);
9fcb18ef
AG		 2423 break;
2424
2425 default:
2426 break;
2427 }
2428 }
2429
3846220b 2430 type = conn->type;
2210246c 2431
3846220b
AG		 2432 hci_proto_disconn_cfm(conn, ev->reason);
2433 hci_conn_del(conn);
2434
2435 /* Re-enable advertising if necessary, since it might
2436 * have been disabled by the connection. From the
2437 * HCI_LE_Set_Advertise_Enable command description in
2438 * the core specification (v4.0):
2439 * "The Controller shall continue advertising until the Host
2440 * issues an LE_Set_Advertise_Enable command with
2441 * Advertising_Enable set to 0x00 (Advertising is disabled)
2442 * or until a connection is created or until the Advertising
2443 * is timed out due to Directed Advertising."
2444 */
2445 if (type == LE_LINK)
2446 mgmt_reenable_advertising(hdev);
f7520543
JH		 2447
2448unlock:
04837f64
MH		 2449 hci_dev_unlock(hdev);
2450}
2451
6039aa73 2452static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2453{
a9de9248 2454 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2455 struct hci_conn *conn;
1da177e4 2456
9f1db00c 2457 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2458
2459 hci_dev_lock(hdev);
2460
04837f64 2461 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2462 if (!conn)
2463 goto unlock;
2464
2465 if (!ev->status) {
aa64a8b5 2466 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2467 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2468 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2469 } else {
4dae2798 2470 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2471 conn->sec_level = conn->pending_sec_level;
2a611692 2472 }
d7556e20 2473 } else {
e1e930f5 2474 mgmt_auth_failed(conn, ev->status);
d7556e20 2475 }
1da177e4 2476
51a8efd7
JH		 2477 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2478 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2479
d7556e20 2480 if (conn->state == BT_CONFIG) {
aa64a8b5 2481 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2482 struct hci_cp_set_conn_encrypt cp;
2483 cp.handle = ev->handle;
2484 cp.encrypt = 0x01;
2485 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2486 &cp);
052b30b0 2487 } else {
d7556e20
WR		 2488 conn->state = BT_CONNECTED;
2489 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2490 hci_conn_drop(conn);
052b30b0 2491 }
d7556e20
WR		 2492 } else {
2493 hci_auth_cfm(conn, ev->status);
052b30b0 2494
d7556e20
WR		 2495 hci_conn_hold(conn);
2496 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2497 hci_conn_drop(conn);
d7556e20
WR		 2498 }
2499
51a8efd7 2500 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2501 if (!ev->status) {
2502 struct hci_cp_set_conn_encrypt cp;
2503 cp.handle = ev->handle;
2504 cp.encrypt = 0x01;
2505 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2506 &cp);
d7556e20 2507 } else {
51a8efd7 2508 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2509 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2510 }
2511 }
2512
d7556e20 2513unlock:
1da177e4
LT		 2514 hci_dev_unlock(hdev);
2515}
2516
6039aa73 2517static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2518{
127178d2
JH		 2519 struct hci_ev_remote_name *ev = (void *) skb->data;
2520 struct hci_conn *conn;
2521
a9de9248 2522 BT_DBG("%s", hdev->name);
1da177e4 2523
a9de9248 2524 hci_conn_check_pending(hdev);
127178d2
JH		 2525
2526 hci_dev_lock(hdev);
2527
b644ba33 2528 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2529
b644ba33
JH		 2530 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2531 goto check_auth;
a88a9652 2532
b644ba33
JH		 2533 if (ev->status == 0)
2534 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2535 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2536 else
2537 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2538
2539check_auth:
79c6c70c
JH		 2540 if (!conn)
2541 goto unlock;
2542
2543 if (!hci_outgoing_auth_needed(hdev, conn))
2544 goto unlock;
2545
51a8efd7 2546 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2547 struct hci_cp_auth_requested cp;
977f8fce
JH		 2548
2549 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2550
127178d2
JH		 2551 cp.handle = __cpu_to_le16(conn->handle);
2552 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2553 }
2554
79c6c70c 2555unlock:
127178d2 2556 hci_dev_unlock(hdev);
a9de9248
MH		 2557}
2558
6039aa73 2559static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2560{
2561 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2562 struct hci_conn *conn;
2563
9f1db00c 2564 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2565
2566 hci_dev_lock(hdev);
2567
04837f64 2568 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2569 if (!conn)
2570 goto unlock;
1da177e4 2571
dc8357cc
MH		 2572 if (!ev->status) {
2573 if (ev->encrypt) {
2574 /* Encryption implies authentication */
4dae2798
JH		 2575 set_bit(HCI_CONN_AUTH, &conn->flags);
2576 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2577 conn->sec_level = conn->pending_sec_level;
abf76bad 2578
914a6ffe
MH		 2579 /* P-256 authentication key implies FIPS */
2580 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2581 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2582
abf76bad
MH		 2583 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2584 conn->type == LE_LINK)
2585 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2586 } else {
4dae2798 2587 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2588 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2589 }
dc8357cc 2590 }
a7d7723a 2591
7ed3fa20
JH		 2592 /* We should disregard the current RPA and generate a new one
2593 * whenever the encryption procedure fails.
2594 */
2595 if (ev->status && conn->type == LE_LINK)
2596 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2597
dc8357cc 2598 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2599
dc8357cc
MH		 2600 if (ev->status && conn->state == BT_CONNECTED) {
2601 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2602 hci_conn_drop(conn);
2603 goto unlock;
1da177e4
LT		 2604 }
2605
dc8357cc
MH		 2606 if (conn->state == BT_CONFIG) {
2607 if (!ev->status)
2608 conn->state = BT_CONNECTED;
2609
40b552aa
MH		 2610 /* In Secure Connections Only mode, do not allow any
2611 * connections that are not encrypted with AES-CCM
2612 * using a P-256 authenticated combination key.
2613 */
2614 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2615 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2616 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2617 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2618 hci_conn_drop(conn);
2619 goto unlock;
2620 }
2621
dc8357cc
MH		 2622 hci_proto_connect_cfm(conn, ev->status);
2623 hci_conn_drop(conn);
2624 } else
2625 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2626
a7d7723a 2627unlock:
1da177e4
LT		 2628 hci_dev_unlock(hdev);
2629}
2630
6039aa73
GP		 2631static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2632 struct sk_buff *skb)
1da177e4 2633{
a9de9248 2634 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2635 struct hci_conn *conn;
1da177e4 2636
9f1db00c 2637 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2638
2639 hci_dev_lock(hdev);
2640
04837f64 2641 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2642 if (conn) {
2643 if (!ev->status)
4dae2798 2644 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2645
51a8efd7 2646 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2647
2648 hci_key_change_cfm(conn, ev->status);
2649 }
2650
2651 hci_dev_unlock(hdev);
2652}
2653
6039aa73
GP		 2654static void hci_remote_features_evt(struct hci_dev *hdev,
2655 struct sk_buff *skb)
1da177e4 2656{
a9de9248
MH		 2657 struct hci_ev_remote_features *ev = (void *) skb->data;
2658 struct hci_conn *conn;
2659
9f1db00c 2660 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2661
a9de9248
MH		 2662 hci_dev_lock(hdev);
2663
2664 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2665 if (!conn)
2666 goto unlock;
769be974 2667
ccd556fe 2668 if (!ev->status)
cad718ed 2669 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2670
2671 if (conn->state != BT_CONFIG)
2672 goto unlock;
2673
ac363cf9
SJ		 2674 if (!ev->status && lmp_ext_feat_capable(hdev) &&
2675 lmp_ext_feat_capable(conn)) {
ccd556fe
JH		 2676 struct hci_cp_read_remote_ext_features cp;
2677 cp.handle = ev->handle;
2678 cp.page = 0x01;
2679 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2680 sizeof(cp), &cp);
392599b9
JH		 2681 goto unlock;
2682 }
2683
671267bf 2684 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2685 struct hci_cp_remote_name_req cp;
2686 memset(&cp, 0, sizeof(cp));
2687 bacpy(&cp.bdaddr, &conn->dst);
2688 cp.pscan_rep_mode = 0x02;
2689 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2690 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2691 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2692
127178d2 2693 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2694 conn->state = BT_CONNECTED;
2695 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2696 hci_conn_drop(conn);
769be974 2697 }
a9de9248 2698
ccd556fe 2699unlock:
a9de9248 2700 hci_dev_unlock(hdev);
1da177e4
LT		 2701}
2702
6039aa73 2703static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2704{
2705 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2706 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2707 __u16 opcode;
2708
2709 skb_pull(skb, sizeof(*ev));
2710
2711 opcode = __le16_to_cpu(ev->opcode);
2712
2713 switch (opcode) {
2714 case HCI_OP_INQUIRY_CANCEL:
2715 hci_cc_inquiry_cancel(hdev, skb);
2716 break;
2717
4d93483b
AG		 2718 case HCI_OP_PERIODIC_INQ:
2719 hci_cc_periodic_inq(hdev, skb);
2720 break;
2721
a9de9248
MH		 2722 case HCI_OP_EXIT_PERIODIC_INQ:
2723 hci_cc_exit_periodic_inq(hdev, skb);
2724 break;
2725
2726 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2727 hci_cc_remote_name_req_cancel(hdev, skb);
2728 break;
2729
2730 case HCI_OP_ROLE_DISCOVERY:
2731 hci_cc_role_discovery(hdev, skb);
2732 break;
2733
e4e8e37c
MH		 2734 case HCI_OP_READ_LINK_POLICY:
2735 hci_cc_read_link_policy(hdev, skb);
2736 break;
2737
a9de9248
MH		 2738 case HCI_OP_WRITE_LINK_POLICY:
2739 hci_cc_write_link_policy(hdev, skb);
2740 break;
2741
e4e8e37c
MH		 2742 case HCI_OP_READ_DEF_LINK_POLICY:
2743 hci_cc_read_def_link_policy(hdev, skb);
2744 break;
2745
2746 case HCI_OP_WRITE_DEF_LINK_POLICY:
2747 hci_cc_write_def_link_policy(hdev, skb);
2748 break;
2749
a9de9248
MH		 2750 case HCI_OP_RESET:
2751 hci_cc_reset(hdev, skb);
2752 break;
2753
c2f0f979
MH		 2754 case HCI_OP_READ_STORED_LINK_KEY:
2755 hci_cc_read_stored_link_key(hdev, skb);
2756 break;
2757
a9366120
MH		 2758 case HCI_OP_DELETE_STORED_LINK_KEY:
2759 hci_cc_delete_stored_link_key(hdev, skb);
2760 break;
2761
a9de9248
MH		 2762 case HCI_OP_WRITE_LOCAL_NAME:
2763 hci_cc_write_local_name(hdev, skb);
2764 break;
2765
2766 case HCI_OP_READ_LOCAL_NAME:
2767 hci_cc_read_local_name(hdev, skb);
2768 break;
2769
2770 case HCI_OP_WRITE_AUTH_ENABLE:
2771 hci_cc_write_auth_enable(hdev, skb);
2772 break;
2773
2774 case HCI_OP_WRITE_ENCRYPT_MODE:
2775 hci_cc_write_encrypt_mode(hdev, skb);
2776 break;
2777
2778 case HCI_OP_WRITE_SCAN_ENABLE:
2779 hci_cc_write_scan_enable(hdev, skb);
2780 break;
2781
2782 case HCI_OP_READ_CLASS_OF_DEV:
2783 hci_cc_read_class_of_dev(hdev, skb);
2784 break;
2785
2786 case HCI_OP_WRITE_CLASS_OF_DEV:
2787 hci_cc_write_class_of_dev(hdev, skb);
2788 break;
2789
2790 case HCI_OP_READ_VOICE_SETTING:
2791 hci_cc_read_voice_setting(hdev, skb);
2792 break;
2793
2794 case HCI_OP_WRITE_VOICE_SETTING:
2795 hci_cc_write_voice_setting(hdev, skb);
2796 break;
2797
b4cb9fb2
MH		 2798 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2799 hci_cc_read_num_supported_iac(hdev, skb);
2800 break;
2801
333140b5
MH		 2802 case HCI_OP_WRITE_SSP_MODE:
2803 hci_cc_write_ssp_mode(hdev, skb);
2804 break;
2805
eac83dc6
MH		 2806 case HCI_OP_WRITE_SC_SUPPORT:
2807 hci_cc_write_sc_support(hdev, skb);
2808 break;
2809
a9de9248
MH		 2810 case HCI_OP_READ_LOCAL_VERSION:
2811 hci_cc_read_local_version(hdev, skb);
2812 break;
2813
2814 case HCI_OP_READ_LOCAL_COMMANDS:
2815 hci_cc_read_local_commands(hdev, skb);
2816 break;
2817
2818 case HCI_OP_READ_LOCAL_FEATURES:
2819 hci_cc_read_local_features(hdev, skb);
2820 break;
2821
971e3a4b
AG		 2822 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2823 hci_cc_read_local_ext_features(hdev, skb);
2824 break;
2825
a9de9248
MH		 2826 case HCI_OP_READ_BUFFER_SIZE:
2827 hci_cc_read_buffer_size(hdev, skb);
2828 break;
2829
2830 case HCI_OP_READ_BD_ADDR:
2831 hci_cc_read_bd_addr(hdev, skb);
2832 break;
2833
f332ec66
JH		 2834 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2835 hci_cc_read_page_scan_activity(hdev, skb);
2836 break;
2837
4a3ee763
JH		 2838 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2839 hci_cc_write_page_scan_activity(hdev, skb);
2840 break;
2841
f332ec66
JH		 2842 case HCI_OP_READ_PAGE_SCAN_TYPE:
2843 hci_cc_read_page_scan_type(hdev, skb);
2844 break;
2845
4a3ee763
JH		 2846 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2847 hci_cc_write_page_scan_type(hdev, skb);
2848 break;
2849
350ee4cf
AE		 2850 case HCI_OP_READ_DATA_BLOCK_SIZE:
2851 hci_cc_read_data_block_size(hdev, skb);
2852 break;
2853
1e89cffb
AE		 2854 case HCI_OP_READ_FLOW_CONTROL_MODE:
2855 hci_cc_read_flow_control_mode(hdev, skb);
2856 break;
2857
928abaa7
AE		 2858 case HCI_OP_READ_LOCAL_AMP_INFO:
2859 hci_cc_read_local_amp_info(hdev, skb);
2860 break;
2861
33f35721
JH		 2862 case HCI_OP_READ_CLOCK:
2863 hci_cc_read_clock(hdev, skb);
2864 break;
2865
903e4541
AE		 2866 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2867 hci_cc_read_local_amp_assoc(hdev, skb);
2868 break;
2869
d5859e22
JH		 2870 case HCI_OP_READ_INQ_RSP_TX_POWER:
2871 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2872 break;
2873
980e1a53
JH		 2874 case HCI_OP_PIN_CODE_REPLY:
2875 hci_cc_pin_code_reply(hdev, skb);
2876 break;
2877
2878 case HCI_OP_PIN_CODE_NEG_REPLY:
2879 hci_cc_pin_code_neg_reply(hdev, skb);
2880 break;
2881
c35938b2 2882 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2883 hci_cc_read_local_oob_data(hdev, skb);
2884 break;
2885
2886 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2887 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2888 break;
2889
6ed58ec5
VT		 2890 case HCI_OP_LE_READ_BUFFER_SIZE:
2891 hci_cc_le_read_buffer_size(hdev, skb);
2892 break;
2893
60e77321
JH		 2894 case HCI_OP_LE_READ_LOCAL_FEATURES:
2895 hci_cc_le_read_local_features(hdev, skb);
2896 break;
2897
8fa19098
JH		 2898 case HCI_OP_LE_READ_ADV_TX_POWER:
2899 hci_cc_le_read_adv_tx_power(hdev, skb);
2900 break;
2901
a5c29683
JH		 2902 case HCI_OP_USER_CONFIRM_REPLY:
2903 hci_cc_user_confirm_reply(hdev, skb);
2904 break;
2905
2906 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2907 hci_cc_user_confirm_neg_reply(hdev, skb);
2908 break;
2909
1143d458
BG		 2910 case HCI_OP_USER_PASSKEY_REPLY:
2911 hci_cc_user_passkey_reply(hdev, skb);
2912 break;
2913
2914 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2915 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2916 break;
07f7fa5d 2917
7a4cd51d
MH		 2918 case HCI_OP_LE_SET_RANDOM_ADDR:
2919 hci_cc_le_set_random_addr(hdev, skb);
2920 break;
2921
c1d5dc4a
JH		 2922 case HCI_OP_LE_SET_ADV_ENABLE:
2923 hci_cc_le_set_adv_enable(hdev, skb);
2924 break;
2925
533553f8
MH		 2926 case HCI_OP_LE_SET_SCAN_PARAM:
2927 hci_cc_le_set_scan_param(hdev, skb);
2928 break;
2929
eb9d91f5
AG		 2930 case HCI_OP_LE_SET_SCAN_ENABLE:
2931 hci_cc_le_set_scan_enable(hdev, skb);
2932 break;
2933
cf1d081f
JH		 2934 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2935 hci_cc_le_read_white_list_size(hdev, skb);
2936 break;
2937
0f36b589
MH		 2938 case HCI_OP_LE_CLEAR_WHITE_LIST:
2939 hci_cc_le_clear_white_list(hdev, skb);
2940 break;
2941
2942 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2943 hci_cc_le_add_to_white_list(hdev, skb);
2944 break;
2945
2946 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2947 hci_cc_le_del_from_white_list(hdev, skb);
2948 break;
2949
9b008c04
JH		 2950 case HCI_OP_LE_READ_SUPPORTED_STATES:
2951 hci_cc_le_read_supported_states(hdev, skb);
2952 break;
2953
a8e1bfaa
MH		 2954 case HCI_OP_LE_READ_DEF_DATA_LEN:
2955 hci_cc_le_read_def_data_len(hdev, skb);
2956 break;
2957
2958 case HCI_OP_LE_WRITE_DEF_DATA_LEN:
2959 hci_cc_le_write_def_data_len(hdev, skb);
2960 break;
2961
2962 case HCI_OP_LE_READ_MAX_DATA_LEN:
2963 hci_cc_le_read_max_data_len(hdev, skb);
2964 break;
2965
f9b49306
AG		 2966 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2967 hci_cc_write_le_host_supported(hdev, skb);
2968 break;
2969
56ed2cb8
JH		 2970 case HCI_OP_LE_SET_ADV_PARAM:
2971 hci_cc_set_adv_param(hdev, skb);
2972 break;
2973
93c284ee
AE		 2974 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2975 hci_cc_write_remote_amp_assoc(hdev, skb);
2976 break;
2977
5ae76a94
AK		 2978 case HCI_OP_READ_RSSI:
2979 hci_cc_read_rssi(hdev, skb);
2980 break;
2981
5a134fae
AK		 2982 case HCI_OP_READ_TX_POWER:
2983 hci_cc_read_tx_power(hdev, skb);
2984 break;
2985
a9de9248 2986 default:
9f1db00c 2987 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2988 break;
2989 }
2990
ad82cdd1 2991 if (opcode != HCI_OP_NOP)
65cc2b49 2992 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2993
ad82cdd1 2994 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2995
dbccd791 2996 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2997 atomic_set(&hdev->cmd_cnt, 1);
2998 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2999 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3000 }
3001}
3002
6039aa73 3003static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3004{
3005 struct hci_ev_cmd_status *ev = (void *) skb->data;
3006 __u16 opcode;
3007
3008 skb_pull(skb, sizeof(*ev));
3009
3010 opcode = __le16_to_cpu(ev->opcode);
3011
3012 switch (opcode) {
3013 case HCI_OP_INQUIRY:
3014 hci_cs_inquiry(hdev, ev->status);
3015 break;
3016
3017 case HCI_OP_CREATE_CONN:
3018 hci_cs_create_conn(hdev, ev->status);
3019 break;
3020
9645c76c
KP		 3021 case HCI_OP_DISCONNECT:
3022 hci_cs_disconnect(hdev, ev->status);
3023 break;
3024
a9de9248
MH		 3025 case HCI_OP_ADD_SCO:
3026 hci_cs_add_sco(hdev, ev->status);
3027 break;
3028
f8558555
MH		 3029 case HCI_OP_AUTH_REQUESTED:
3030 hci_cs_auth_requested(hdev, ev->status);
3031 break;
3032
3033 case HCI_OP_SET_CONN_ENCRYPT:
3034 hci_cs_set_conn_encrypt(hdev, ev->status);
3035 break;
3036
a9de9248
MH		 3037 case HCI_OP_REMOTE_NAME_REQ:
3038 hci_cs_remote_name_req(hdev, ev->status);
3039 break;
3040
769be974
MH		 3041 case HCI_OP_READ_REMOTE_FEATURES:
3042 hci_cs_read_remote_features(hdev, ev->status);
3043 break;
3044
3045 case HCI_OP_READ_REMOTE_EXT_FEATURES:
3046 hci_cs_read_remote_ext_features(hdev, ev->status);
3047 break;
3048
a9de9248
MH		 3049 case HCI_OP_SETUP_SYNC_CONN:
3050 hci_cs_setup_sync_conn(hdev, ev->status);
3051 break;
3052
9645c76c
KP		 3053 case HCI_OP_CREATE_PHY_LINK:
3054 hci_cs_create_phylink(hdev, ev->status);
3055 break;
3056
3057 case HCI_OP_ACCEPT_PHY_LINK:
3058 hci_cs_accept_phylink(hdev, ev->status);
3059 break;
3060
a9de9248
MH		 3061 case HCI_OP_SNIFF_MODE:
3062 hci_cs_sniff_mode(hdev, ev->status);
3063 break;
3064
3065 case HCI_OP_EXIT_SNIFF_MODE:
3066 hci_cs_exit_sniff_mode(hdev, ev->status);
3067 break;
3068
50fc85f1
KP		 3069 case HCI_OP_SWITCH_ROLE:
3070 hci_cs_switch_role(hdev, ev->status);
3071 break;
3072
cb1d68f7
JH		 3073 case HCI_OP_LE_CREATE_CONN:
3074 hci_cs_le_create_conn(hdev, ev->status);
3075 break;
3076
81d0c8ad
JH		 3077 case HCI_OP_LE_START_ENC:
3078 hci_cs_le_start_enc(hdev, ev->status);
3079 break;
3080
a9de9248 3081 default:
9f1db00c 3082 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 3083 break;
3084 }
3085
ad82cdd1 3086 if (opcode != HCI_OP_NOP)
65cc2b49 3087 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3088
02350a72
JH		 3089 if (ev->status ||
3090 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
3091 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 3092
10572132 3093 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 3094 atomic_set(&hdev->cmd_cnt, 1);
3095 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 3096 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3097 }
3098}
3099
24dfa343
MH		 3100static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
3101{
3102 struct hci_ev_hardware_error *ev = (void *) skb->data;
3103
c7741d16
MH		 3104 hdev->hw_error_code = ev->code;
3105
3106 queue_work(hdev->req_workqueue, &hdev->error_reset);
24dfa343
MH		 3107}
3108
6039aa73 3109static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3110{
3111 struct hci_ev_role_change *ev = (void *) skb->data;
3112 struct hci_conn *conn;
3113
9f1db00c 3114 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 3115
3116 hci_dev_lock(hdev);
3117
3118 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3119 if (conn) {
40bef302
JH		 3120 if (!ev->status)
3121 conn->role = ev->role;
a9de9248 3122
51a8efd7 3123 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 3124
3125 hci_role_switch_cfm(conn, ev->status, ev->role);
3126 }
3127
3128 hci_dev_unlock(hdev);
3129}
3130
6039aa73 3131static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3132{
3133 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 3134 int i;
3135
32ac5b9b
AE		 3136 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3137 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3138 return;
3139 }
3140
c5993de8 3141 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3142 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 3143 BT_DBG("%s bad parameters", hdev->name);
3144 return;
3145 }
3146
c5993de8
AE		 3147 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3148
613a1c0c
AE		 3149 for (i = 0; i < ev->num_hndl; i++) {
3150 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3151 struct hci_conn *conn;
3152 __u16 handle, count;
3153
613a1c0c
AE		 3154 handle = __le16_to_cpu(info->handle);
3155 count = __le16_to_cpu(info->count);
a9de9248
MH		 3156
3157 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3158 if (!conn)
3159 continue;
3160
3161 conn->sent -= count;
3162
3163 switch (conn->type) {
3164 case ACL_LINK:
3165 hdev->acl_cnt += count;
3166 if (hdev->acl_cnt > hdev->acl_pkts)
3167 hdev->acl_cnt = hdev->acl_pkts;
3168 break;
3169
3170 case LE_LINK:
3171 if (hdev->le_pkts) {
3172 hdev->le_cnt += count;
3173 if (hdev->le_cnt > hdev->le_pkts)
3174 hdev->le_cnt = hdev->le_pkts;
3175 } else {
70f23020
AE		 3176 hdev->acl_cnt += count;
3177 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3178 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3179 }
f4280918
AE		 3180 break;
3181
3182 case SCO_LINK:
3183 hdev->sco_cnt += count;
3184 if (hdev->sco_cnt > hdev->sco_pkts)
3185 hdev->sco_cnt = hdev->sco_pkts;
3186 break;
3187
3188 default:
3189 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3190 break;
a9de9248
MH		 3191 }
3192 }
3193
3eff45ea 3194 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3195}
3196
76ef7cf7
AE		 3197static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3198 __u16 handle)
3199{
3200 struct hci_chan *chan;
3201
3202 switch (hdev->dev_type) {
3203 case HCI_BREDR:
3204 return hci_conn_hash_lookup_handle(hdev, handle);
3205 case HCI_AMP:
3206 chan = hci_chan_lookup_handle(hdev, handle);
3207 if (chan)
3208 return chan->conn;
3209 break;
3210 default:
3211 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3212 break;
3213 }
3214
3215 return NULL;
3216}
3217
6039aa73 3218static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3219{
3220 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3221 int i;
3222
3223 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3224 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3225 return;
3226 }
3227
3228 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3229 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3230 BT_DBG("%s bad parameters", hdev->name);
3231 return;
3232 }
3233
3234 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3235 ev->num_hndl);
25e89e99
AE		 3236
3237 for (i = 0; i < ev->num_hndl; i++) {
3238 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3239 struct hci_conn *conn = NULL;
25e89e99
AE		 3240 __u16 handle, block_count;
3241
3242 handle = __le16_to_cpu(info->handle);
3243 block_count = __le16_to_cpu(info->blocks);
3244
76ef7cf7 3245 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3246 if (!conn)
3247 continue;
3248
3249 conn->sent -= block_count;
3250
3251 switch (conn->type) {
3252 case ACL_LINK:
bd1eb66b 3253 case AMP_LINK:
25e89e99
AE		 3254 hdev->block_cnt += block_count;
3255 if (hdev->block_cnt > hdev->num_blocks)
3256 hdev->block_cnt = hdev->num_blocks;
3257 break;
3258
3259 default:
3260 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3261 break;
3262 }
3263 }
3264
3265 queue_work(hdev->workqueue, &hdev->tx_work);
3266}
3267
6039aa73 3268static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3269{
a9de9248 3270 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3271 struct hci_conn *conn;
3272
9f1db00c 3273 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3274
3275 hci_dev_lock(hdev);
3276
3277 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3278 if (conn) {
3279 conn->mode = ev->mode;
a9de9248 3280
8fc9ced3
GP		 3281 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3282 &conn->flags)) {
a9de9248 3283 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3284 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3285 else
58a681ef 3286 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3287 }
e73439d8 3288
51a8efd7 3289 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3290 hci_sco_setup(conn, ev->status);
04837f64
MH		 3291 }
3292
3293 hci_dev_unlock(hdev);
3294}
3295
6039aa73 3296static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3297{
052b30b0
MH		 3298 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3299 struct hci_conn *conn;
3300
a9de9248 3301 BT_DBG("%s", hdev->name);
052b30b0
MH		 3302
3303 hci_dev_lock(hdev);
3304
3305 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3306 if (!conn)
3307 goto unlock;
3308
3309 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3310 hci_conn_hold(conn);
3311 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3312 hci_conn_drop(conn);
052b30b0
MH		 3313 }
3314
b6ae8457 3315 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3316 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3317 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3318 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3319 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3320 u8 secure;
3321
3322 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3323 secure = 1;
3324 else
3325 secure = 0;
3326
744cf19e 3327 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3328 }
980e1a53 3329
b6f98044 3330unlock:
052b30b0 3331 hci_dev_unlock(hdev);
a9de9248
MH		 3332}
3333
cb6f3f7a
JH		 3334static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3335{
3336 if (key_type == HCI_LK_CHANGED_COMBINATION)
3337 return;
3338
3339 conn->pin_length = pin_len;
3340 conn->key_type = key_type;
3341
3342 switch (key_type) {
3343 case HCI_LK_LOCAL_UNIT:
3344 case HCI_LK_REMOTE_UNIT:
3345 case HCI_LK_DEBUG_COMBINATION:
3346 return;
3347 case HCI_LK_COMBINATION:
3348 if (pin_len == 16)
3349 conn->pending_sec_level = BT_SECURITY_HIGH;
3350 else
3351 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3352 break;
3353 case HCI_LK_UNAUTH_COMBINATION_P192:
3354 case HCI_LK_UNAUTH_COMBINATION_P256:
3355 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3356 break;
3357 case HCI_LK_AUTH_COMBINATION_P192:
3358 conn->pending_sec_level = BT_SECURITY_HIGH;
3359 break;
3360 case HCI_LK_AUTH_COMBINATION_P256:
3361 conn->pending_sec_level = BT_SECURITY_FIPS;
3362 break;
3363 }
3364}
3365
6039aa73 3366static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3367{
55ed8ca1
JH		 3368 struct hci_ev_link_key_req *ev = (void *) skb->data;
3369 struct hci_cp_link_key_reply cp;
3370 struct hci_conn *conn;
3371 struct link_key *key;
3372
a9de9248 3373 BT_DBG("%s", hdev->name);
55ed8ca1 3374
034cbea0 3375 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3376 return;
3377
3378 hci_dev_lock(hdev);
3379
3380 key = hci_find_link_key(hdev, &ev->bdaddr);
3381 if (!key) {
6ed93dc6
AE		 3382 BT_DBG("%s link key not found for %pMR", hdev->name,
3383 &ev->bdaddr);
55ed8ca1
JH		 3384 goto not_found;
3385 }
3386
6ed93dc6
AE		 3387 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3388 &ev->bdaddr);
55ed8ca1 3389
55ed8ca1 3390 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3391 if (conn) {
fe8bc5ac
JH		 3392 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3393
66138ce8
MH		 3394 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3395 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3396 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3397 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3398 goto not_found;
3399 }
55ed8ca1 3400
60b83f57 3401 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3402 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3403 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3404 BT_DBG("%s ignoring key unauthenticated for high security",
3405 hdev->name);
60b83f57
WR		 3406 goto not_found;
3407 }
3408
cb6f3f7a 3409 conn_set_key(conn, key->type, key->pin_len);
55ed8ca1
JH		 3410 }
3411
3412 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3413 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3414
3415 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3416
3417 hci_dev_unlock(hdev);
3418
3419 return;
3420
3421not_found:
3422 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3423 hci_dev_unlock(hdev);
a9de9248
MH		 3424}
3425
6039aa73 3426static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3427{
052b30b0
MH		 3428 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3429 struct hci_conn *conn;
7652ff6a
JH		 3430 struct link_key *key;
3431 bool persistent;
55ed8ca1 3432 u8 pin_len = 0;
052b30b0 3433
a9de9248 3434 BT_DBG("%s", hdev->name);
052b30b0
MH		 3435
3436 hci_dev_lock(hdev);
3437
3438 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
82c13d42
JH		 3439 if (!conn)
3440 goto unlock;
3441
3442 hci_conn_hold(conn);
3443 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3444 hci_conn_drop(conn);
3445
fe8bc5ac 3446 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
82c13d42 3447 conn_set_key(conn, ev->key_type, conn->pin_length);
052b30b0 3448
7652ff6a
JH		 3449 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3450 goto unlock;
3451
3452 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3453 ev->key_type, pin_len, &persistent);
3454 if (!key)
3455 goto unlock;
3456
cb6f3f7a
JH		 3457 /* Update connection information since adding the key will have
3458 * fixed up the type in the case of changed combination keys.
3459 */
3460 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3461 conn_set_key(conn, key->type, key->pin_len);
3462
7652ff6a 3463 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3464
6d5650c4
JH		 3465 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3466 * is set. If it's not set simply remove the key from the kernel
3467 * list (we've still notified user space about it but with
3468 * store_hint being 0).
3469 */
3470 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3471 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
0378b597
JH		 3472 list_del_rcu(&key->list);
3473 kfree_rcu(key, rcu);
82c13d42 3474 goto unlock;
6d5650c4 3475 }
7652ff6a 3476
82c13d42
JH		 3477 if (persistent)
3478 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3479 else
3480 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3481
7652ff6a 3482unlock:
052b30b0 3483 hci_dev_unlock(hdev);
a9de9248
MH		 3484}
3485
6039aa73 3486static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3487{
a9de9248 3488 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3489 struct hci_conn *conn;
1da177e4 3490
9f1db00c 3491 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3492
3493 hci_dev_lock(hdev);
3494
04837f64 3495 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3496 if (conn && !ev->status) {
3497 struct inquiry_entry *ie;
3498
cc11b9c1
AE		 3499 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3500 if (ie) {
1da177e4
LT		 3501 ie->data.clock_offset = ev->clock_offset;
3502 ie->timestamp = jiffies;
3503 }
3504 }
3505
3506 hci_dev_unlock(hdev);
3507}
3508
6039aa73 3509static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3510{
3511 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3512 struct hci_conn *conn;
3513
9f1db00c 3514 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3515
3516 hci_dev_lock(hdev);
3517
3518 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3519 if (conn && !ev->status)
3520 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3521
3522 hci_dev_unlock(hdev);
3523}
3524
6039aa73 3525static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3526{
a9de9248 3527 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3528 struct inquiry_entry *ie;
3529
3530 BT_DBG("%s", hdev->name);
3531
3532 hci_dev_lock(hdev);
3533
cc11b9c1
AE		 3534 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3535 if (ie) {
85a1e930
MH		 3536 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3537 ie->timestamp = jiffies;
3538 }
3539
3540 hci_dev_unlock(hdev);
3541}
3542
6039aa73
GP		 3543static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3544 struct sk_buff *skb)
a9de9248
MH		 3545{
3546 struct inquiry_data data;
3547 int num_rsp = *((__u8 *) skb->data);
3548
3549 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3550
3551 if (!num_rsp)
3552 return;
3553
1519cc17
AG		 3554 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3555 return;
3556
a9de9248
MH		 3557 hci_dev_lock(hdev);
3558
3559 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3560 struct inquiry_info_with_rssi_and_pscan_mode *info;
3561 info = (void *) (skb->data + 1);
a9de9248 3562
e17acd40 3563 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3564 u32 flags;
3565
a9de9248
MH		 3566 bacpy(&data.bdaddr, &info->bdaddr);
3567 data.pscan_rep_mode = info->pscan_rep_mode;
3568 data.pscan_period_mode = info->pscan_period_mode;
3569 data.pscan_mode = info->pscan_mode;
3570 memcpy(data.dev_class, info->dev_class, 3);
3571 data.clock_offset = info->clock_offset;
3572 data.rssi = info->rssi;
41a96212 3573 data.ssp_mode = 0x00;
3175405b 3574
af58925c
MH		 3575 flags = hci_inquiry_cache_update(hdev, &data, false);
3576
48264f06 3577 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3578 info->dev_class, info->rssi,
af58925c 3579 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3580 }
3581 } else {
3582 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3583
e17acd40 3584 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3585 u32 flags;
3586
a9de9248
MH		 3587 bacpy(&data.bdaddr, &info->bdaddr);
3588 data.pscan_rep_mode = info->pscan_rep_mode;
3589 data.pscan_period_mode = info->pscan_period_mode;
3590 data.pscan_mode = 0x00;
3591 memcpy(data.dev_class, info->dev_class, 3);
3592 data.clock_offset = info->clock_offset;
3593 data.rssi = info->rssi;
41a96212 3594 data.ssp_mode = 0x00;
af58925c
MH		 3595
3596 flags = hci_inquiry_cache_update(hdev, &data, false);
3597
48264f06 3598 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3599 info->dev_class, info->rssi,
af58925c 3600 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3601 }
3602 }
3603
3604 hci_dev_unlock(hdev);
3605}
3606
6039aa73
GP		 3607static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3608 struct sk_buff *skb)
a9de9248 3609{
41a96212
MH		 3610 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3611 struct hci_conn *conn;
3612
a9de9248 3613 BT_DBG("%s", hdev->name);
41a96212 3614
41a96212
MH		 3615 hci_dev_lock(hdev);
3616
3617 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3618 if (!conn)
3619 goto unlock;
41a96212 3620
cad718ed
JH		 3621 if (ev->page < HCI_MAX_PAGES)
3622 memcpy(conn->features[ev->page], ev->features, 8);
3623
ccd556fe
JH		 3624 if (!ev->status && ev->page == 0x01) {
3625 struct inquiry_entry *ie;
41a96212 3626
cc11b9c1
AE		 3627 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3628 if (ie)
02b7cc62 3629 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3630
bbb0eada 3631 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3632 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3633 } else {
3634 /* It is mandatory by the Bluetooth specification that
3635 * Extended Inquiry Results are only used when Secure
3636 * Simple Pairing is enabled, but some devices violate
3637 * this.
3638 *
3639 * To make these devices work, the internal SSP
3640 * enabled flag needs to be cleared if the remote host
3641 * features do not indicate SSP support */
3642 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3643 }
eb9a8f3f
MH		 3644
3645 if (ev->features[0] & LMP_HOST_SC)
3646 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3647 }
3648
3649 if (conn->state != BT_CONFIG)
3650 goto unlock;
3651
671267bf 3652 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3653 struct hci_cp_remote_name_req cp;
3654 memset(&cp, 0, sizeof(cp));
3655 bacpy(&cp.bdaddr, &conn->dst);
3656 cp.pscan_rep_mode = 0x02;
3657 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3658 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3659 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3660
127178d2 3661 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3662 conn->state = BT_CONNECTED;
3663 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3664 hci_conn_drop(conn);
41a96212
MH		 3665 }
3666
ccd556fe 3667unlock:
41a96212 3668 hci_dev_unlock(hdev);
a9de9248
MH		 3669}
3670
6039aa73
GP		 3671static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3672 struct sk_buff *skb)
a9de9248 3673{
b6a0dc82
MH		 3674 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3675 struct hci_conn *conn;
3676
9f1db00c 3677 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3678
3679 hci_dev_lock(hdev);
3680
3681 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3682 if (!conn) {
3683 if (ev->link_type == ESCO_LINK)
3684 goto unlock;
3685
3686 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3687 if (!conn)
3688 goto unlock;
3689
3690 conn->type = SCO_LINK;
3691 }
b6a0dc82 3692
732547f9
MH		 3693 switch (ev->status) {
3694 case 0x00:
b6a0dc82
MH		 3695 conn->handle = __le16_to_cpu(ev->handle);
3696 conn->state = BT_CONNECTED;
7d0db0a3 3697
23b9ceb7 3698 hci_debugfs_create_conn(conn);
7d0db0a3 3699 hci_conn_add_sysfs(conn);
732547f9
MH		 3700 break;
3701
81218d20 3702 case 0x10: /* Connection Accept Timeout */
1a4c958c 3703 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3704 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3705 case 0x1c: /* SCO interval rejected */
1038a00b 3706 case 0x1a: /* Unsupported Remote Feature */
732547f9 3707 case 0x1f: /* Unspecified error */
27539bc4 3708 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3709 if (conn->out) {
732547f9
MH		 3710 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3711 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3712 if (hci_setup_sync(conn, conn->link->handle))
3713 goto unlock;
732547f9
MH		 3714 }
3715 /* fall through */
3716
3717 default:
b6a0dc82 3718 conn->state = BT_CLOSED;
732547f9
MH		 3719 break;
3720 }
b6a0dc82
MH		 3721
3722 hci_proto_connect_cfm(conn, ev->status);
3723 if (ev->status)
3724 hci_conn_del(conn);
3725
3726unlock:
3727 hci_dev_unlock(hdev);
a9de9248
MH		 3728}
3729
efdcf8e3
MH		 3730static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3731{
3732 size_t parsed = 0;
3733
3734 while (parsed < eir_len) {
3735 u8 field_len = eir[0];
3736
3737 if (field_len == 0)
3738 return parsed;
3739
3740 parsed += field_len + 1;
3741 eir += field_len + 1;
3742 }
3743
3744 return eir_len;
3745}
3746
6039aa73
GP		 3747static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3748 struct sk_buff *skb)
1da177e4 3749{
a9de9248
MH		 3750 struct inquiry_data data;
3751 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3752 int num_rsp = *((__u8 *) skb->data);
9d939d94 3753 size_t eir_len;
1da177e4 3754
a9de9248 3755 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3756
a9de9248
MH		 3757 if (!num_rsp)
3758 return;
1da177e4 3759
1519cc17
AG		 3760 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3761 return;
3762
a9de9248
MH		 3763 hci_dev_lock(hdev);
3764
e17acd40 3765 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3766 u32 flags;
3767 bool name_known;
561aafbc 3768
a9de9248 3769 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3770 data.pscan_rep_mode = info->pscan_rep_mode;
3771 data.pscan_period_mode = info->pscan_period_mode;
3772 data.pscan_mode = 0x00;
a9de9248 3773 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3774 data.clock_offset = info->clock_offset;
3775 data.rssi = info->rssi;
41a96212 3776 data.ssp_mode = 0x01;
561aafbc 3777
a8b2d5c2 3778 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3779 name_known = eir_has_data_type(info->data,
04124681
GP		 3780 sizeof(info->data),
3781 EIR_NAME_COMPLETE);
561aafbc
JH		 3782 else
3783 name_known = true;
3784
af58925c
MH		 3785 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3786
9d939d94 3787 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3788
48264f06 3789 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3790 info->dev_class, info->rssi,
3791 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3792 }
3793
3794 hci_dev_unlock(hdev);
3795}
1da177e4 3796
1c2e0041
JH		 3797static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3798 struct sk_buff *skb)
3799{
3800 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3801 struct hci_conn *conn;
3802
9f1db00c 3803 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3804 __le16_to_cpu(ev->handle));
3805
3806 hci_dev_lock(hdev);
3807
3808 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3809 if (!conn)
3810 goto unlock;
3811
9eb1fbfa
JH		 3812 /* For BR/EDR the necessary steps are taken through the
3813 * auth_complete event.
3814 */
3815 if (conn->type != LE_LINK)
3816 goto unlock;
3817
1c2e0041
JH		 3818 if (!ev->status)
3819 conn->sec_level = conn->pending_sec_level;
3820
3821 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3822
3823 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3824 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3825 hci_conn_drop(conn);
1c2e0041
JH		 3826 goto unlock;
3827 }
3828
3829 if (conn->state == BT_CONFIG) {
3830 if (!ev->status)
3831 conn->state = BT_CONNECTED;
3832
3833 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3834 hci_conn_drop(conn);
1c2e0041
JH		 3835 } else {
3836 hci_auth_cfm(conn, ev->status);
3837
3838 hci_conn_hold(conn);
3839 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3840 hci_conn_drop(conn);
1c2e0041
JH		 3841 }
3842
3843unlock:
3844 hci_dev_unlock(hdev);
3845}
3846
6039aa73 3847static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3848{
17fa4b9d 3849 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3850 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3851 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3852 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3853
b7f94c88
MA		 3854 /* If both remote and local have enough IO capabilities, require
3855 * MITM protection
3856 */
3857 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3858 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3859 return conn->remote_auth | 0x01;
3860
7e74170a
TM		 3861 /* No MITM protection possible so ignore remote requirement */
3862 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3863}
3864
a83ed81e
MH		 3865static u8 bredr_oob_data_present(struct hci_conn *conn)
3866{
3867 struct hci_dev *hdev = conn->hdev;
3868 struct oob_data *data;
3869
3870 data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR);
3871 if (!data)
3872 return 0x00;
3873
aa5b0345
MH		 3874 /* When Secure Connections Only mode is enabled, then the P-256
3875 * values are required. If they are not available, then do not
3876 * declare that OOB data is present.
3877 */
3878 if (bredr_sc_enabled(hdev) &&
3879 test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
3880 (!memcmp(data->rand256, ZERO_KEY, 16) ||
3881 !memcmp(data->hash256, ZERO_KEY, 16)))
3882 return 0x00;
3883
a83ed81e
MH		 3884 if (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags))
3885 return 0x01;
3886
3887 return 0x00;
3888}
3889
6039aa73 3890static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3891{
3892 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3893 struct hci_conn *conn;
3894
3895 BT_DBG("%s", hdev->name);
3896
3897 hci_dev_lock(hdev);
3898
3899 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3900 if (!conn)
3901 goto unlock;
3902
3903 hci_conn_hold(conn);
3904
a8b2d5c2 3905 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3906 goto unlock;
3907
2f407f0a
JH		 3908 /* Allow pairing if we're pairable, the initiators of the
3909 * pairing or if the remote is not requesting bonding.
3910 */
b6ae8457 3911 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3912 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3913 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3914 struct hci_cp_io_capability_reply cp;
3915
3916 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3917 /* Change the IO capability from KeyboardDisplay
3918 * to DisplayYesNo as it is not supported by BT spec. */
3919 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3920 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3921
3922 /* If we are initiators, there is no remote information yet */
3923 if (conn->remote_auth == 0xff) {
b16c6604 3924 /* Request MITM protection if our IO caps allow it
4ad51a75 3925 * except for the no-bonding case.
b16c6604 3926 */
6fd6b915 3927 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3928 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3929 conn->auth_type |= 0x01;
b7f94c88
MA		 3930 } else {
3931 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3932 }
17fa4b9d 3933
82c295b1
JH		 3934 /* If we're not bondable, force one of the non-bondable
3935 * authentication requirement values.
3936 */
3937 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3938 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3939
3940 cp.authentication = conn->auth_type;
a83ed81e 3941 cp.oob_data = bredr_oob_data_present(conn);
ce85ee13 3942
17fa4b9d 3943 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3944 sizeof(cp), &cp);
03b555e1
JH		 3945 } else {
3946 struct hci_cp_io_capability_neg_reply cp;
3947
3948 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3949 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3950
03b555e1 3951 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3952 sizeof(cp), &cp);
03b555e1
JH		 3953 }
3954
3955unlock:
3956 hci_dev_unlock(hdev);
3957}
3958
6039aa73 3959static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3960{
3961 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3962 struct hci_conn *conn;
3963
3964 BT_DBG("%s", hdev->name);
3965
3966 hci_dev_lock(hdev);
3967
3968 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3969 if (!conn)
3970 goto unlock;
3971
03b555e1 3972 conn->remote_cap = ev->capability;
03b555e1 3973 conn->remote_auth = ev->authentication;
58a681ef
JH		 3974 if (ev->oob_data)
3975 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3976
3977unlock:
0493684e
MH		 3978 hci_dev_unlock(hdev);
3979}
3980
6039aa73
GP		 3981static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3982 struct sk_buff *skb)
a5c29683
JH		 3983{
3984 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3985 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3986 struct hci_conn *conn;
a5c29683
JH		 3987
3988 BT_DBG("%s", hdev->name);
3989
3990 hci_dev_lock(hdev);
3991
a8b2d5c2 3992 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3993 goto unlock;
a5c29683 3994
7a828908
JH		 3995 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3996 if (!conn)
3997 goto unlock;
3998
3999 loc_mitm = (conn->auth_type & 0x01);
4000 rem_mitm = (conn->remote_auth & 0x01);
4001
4002 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 4003 * (it has NoInputNoOutput) then reject the confirmation
4004 * request. We check the security level here since it doesn't
4005 * necessarily match conn->auth_type.
6fd6b915 4006 */
6c53823a
JH		 4007 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
4008 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 4009 BT_DBG("Rejecting request: remote device can't provide MITM");
4010 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 4011 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4012 goto unlock;
4013 }
4014
4015 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 4016 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
4017 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 4018
4019 /* If we're not the initiators request authorization to
4020 * proceed from user space (mgmt_user_confirm with
ba15a58b 4021 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 4022 * side had MITM or if the local IO capability is
4023 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 4024 */
4025 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 4026 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 4027 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 4028 BT_DBG("Confirming auto-accept as acceptor");
4029 confirm_hint = 1;
4030 goto confirm;
4031 }
4032
9f61656a 4033 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 4034 hdev->auto_accept_delay);
9f61656a
JH		 4035
4036 if (hdev->auto_accept_delay > 0) {
4037 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 4038 queue_delayed_work(conn->hdev->workqueue,
4039 &conn->auto_accept_work, delay);
9f61656a
JH		 4040 goto unlock;
4041 }
4042
7a828908 4043 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 4044 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4045 goto unlock;
4046 }
4047
55bc1a37 4048confirm:
39adbffe
JH		 4049 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
4050 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 4051
4052unlock:
a5c29683
JH		 4053 hci_dev_unlock(hdev);
4054}
4055
6039aa73
GP		 4056static void hci_user_passkey_request_evt(struct hci_dev *hdev,
4057 struct sk_buff *skb)
1143d458
BG		 4058{
4059 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
4060
4061 BT_DBG("%s", hdev->name);
4062
a8b2d5c2 4063 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 4064 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 4065}
4066
92a25256
JH		 4067static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
4068 struct sk_buff *skb)
4069{
4070 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
4071 struct hci_conn *conn;
4072
4073 BT_DBG("%s", hdev->name);
4074
4075 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4076 if (!conn)
4077 return;
4078
4079 conn->passkey_notify = __le32_to_cpu(ev->passkey);
4080 conn->passkey_entered = 0;
4081
4082 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4083 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4084 conn->dst_type, conn->passkey_notify,
4085 conn->passkey_entered);
4086}
4087
4088static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
4089{
4090 struct hci_ev_keypress_notify *ev = (void *) skb->data;
4091 struct hci_conn *conn;
4092
4093 BT_DBG("%s", hdev->name);
4094
4095 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4096 if (!conn)
4097 return;
4098
4099 switch (ev->type) {
4100 case HCI_KEYPRESS_STARTED:
4101 conn->passkey_entered = 0;
4102 return;
4103
4104 case HCI_KEYPRESS_ENTERED:
4105 conn->passkey_entered++;
4106 break;
4107
4108 case HCI_KEYPRESS_ERASED:
4109 conn->passkey_entered--;
4110 break;
4111
4112 case HCI_KEYPRESS_CLEARED:
4113 conn->passkey_entered = 0;
4114 break;
4115
4116 case HCI_KEYPRESS_COMPLETED:
4117 return;
4118 }
4119
4120 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4121 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4122 conn->dst_type, conn->passkey_notify,
4123 conn->passkey_entered);
4124}
4125
6039aa73
GP		 4126static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
4127 struct sk_buff *skb)
0493684e
MH		 4128{
4129 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
4130 struct hci_conn *conn;
4131
4132 BT_DBG("%s", hdev->name);
4133
4134 hci_dev_lock(hdev);
4135
4136 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 4137 if (!conn)
4138 goto unlock;
4139
c1d4fa7a
JH		 4140 /* Reset the authentication requirement to unknown */
4141 conn->remote_auth = 0xff;
4142
2a611692
JH		 4143 /* To avoid duplicate auth_failed events to user space we check
4144 * the HCI_CONN_AUTH_PEND flag which will be set if we
4145 * initiated the authentication. A traditional auth_complete
4146 * event gets always produced as initiator and is also mapped to
4147 * the mgmt_auth_failed event */
fa1bd918 4148 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 4149 mgmt_auth_failed(conn, ev->status);
0493684e 4150
76a68ba0 4151 hci_conn_drop(conn);
2a611692
JH		 4152
4153unlock:
0493684e
MH		 4154 hci_dev_unlock(hdev);
4155}
4156
6039aa73
GP		 4157static void hci_remote_host_features_evt(struct hci_dev *hdev,
4158 struct sk_buff *skb)
41a96212
MH		 4159{
4160 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4161 struct inquiry_entry *ie;
cad718ed 4162 struct hci_conn *conn;
41a96212
MH		 4163
4164 BT_DBG("%s", hdev->name);
4165
4166 hci_dev_lock(hdev);
4167
cad718ed
JH		 4168 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4169 if (conn)
4170 memcpy(conn->features[1], ev->features, 8);
4171
cc11b9c1
AE		 4172 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4173 if (ie)
02b7cc62 4174 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 4175
4176 hci_dev_unlock(hdev);
4177}
4178
6039aa73
GP		 4179static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4180 struct sk_buff *skb)
2763eda6
SJ		 4181{
4182 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4183 struct oob_data *data;
4184
4185 BT_DBG("%s", hdev->name);
4186
4187 hci_dev_lock(hdev);
4188
a8b2d5c2 4189 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 4190 goto unlock;
4191
6928a924 4192 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
6665d057
MH		 4193 if (!data) {
4194 struct hci_cp_remote_oob_data_neg_reply cp;
519ca9d0 4195
6665d057
MH		 4196 bacpy(&cp.bdaddr, &ev->bdaddr);
4197 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4198 sizeof(cp), &cp);
4199 goto unlock;
4200 }
2763eda6 4201
6665d057
MH		 4202 if (bredr_sc_enabled(hdev)) {
4203 struct hci_cp_remote_oob_ext_data_reply cp;
519ca9d0 4204
6665d057
MH		 4205 bacpy(&cp.bdaddr, &ev->bdaddr);
4206 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
4207 memset(cp.hash192, 0, sizeof(cp.hash192));
4208 memset(cp.rand192, 0, sizeof(cp.rand192));
4209 } else {
4210 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4211 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
519ca9d0 4212 }
6665d057
MH		 4213 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4214 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4215
4216 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4217 sizeof(cp), &cp);
2763eda6 4218 } else {
6665d057 4219 struct hci_cp_remote_oob_data_reply cp;
2763eda6
SJ		 4220
4221 bacpy(&cp.bdaddr, &ev->bdaddr);
6665d057
MH		 4222 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4223 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4224
4225 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
519ca9d0 4226 sizeof(cp), &cp);
2763eda6
SJ		 4227 }
4228
e1ba1f15 4229unlock:
2763eda6
SJ		 4230 hci_dev_unlock(hdev);
4231}
4232
d5e91192
AE		 4233static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4234 struct sk_buff *skb)
4235{
4236 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4237 struct hci_conn *hcon, *bredr_hcon;
4238
4239 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4240 ev->status);
4241
4242 hci_dev_lock(hdev);
4243
4244 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4245 if (!hcon) {
4246 hci_dev_unlock(hdev);
4247 return;
4248 }
4249
4250 if (ev->status) {
4251 hci_conn_del(hcon);
4252 hci_dev_unlock(hdev);
4253 return;
4254 }
4255
4256 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4257
4258 hcon->state = BT_CONNECTED;
4259 bacpy(&hcon->dst, &bredr_hcon->dst);
4260
4261 hci_conn_hold(hcon);
4262 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4263 hci_conn_drop(hcon);
d5e91192 4264
23b9ceb7 4265 hci_debugfs_create_conn(hcon);
d5e91192
AE		 4266 hci_conn_add_sysfs(hcon);
4267
cf70ff22 4268 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4269
cf70ff22 4270 hci_dev_unlock(hdev);
d5e91192
AE		 4271}
4272
27695fb4
AE		 4273static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4274{
4275 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4276 struct hci_conn *hcon;
4277 struct hci_chan *hchan;
4278 struct amp_mgr *mgr;
4279
4280 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4281 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4282 ev->status);
4283
4284 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4285 if (!hcon)
4286 return;
4287
4288 /* Create AMP hchan */
4289 hchan = hci_chan_create(hcon);
4290 if (!hchan)
4291 return;
4292
4293 hchan->handle = le16_to_cpu(ev->handle);
4294
4295 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4296
4297 mgr = hcon->amp_mgr;
4298 if (mgr && mgr->bredr_chan) {
4299 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4300
4301 l2cap_chan_lock(bredr_chan);
4302
4303 bredr_chan->conn->mtu = hdev->block_mtu;
4304 l2cap_logical_cfm(bredr_chan, hchan, 0);
4305 hci_conn_hold(hcon);
4306
4307 l2cap_chan_unlock(bredr_chan);
4308 }
4309}
4310
606e2a10
AE		 4311static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4312 struct sk_buff *skb)
4313{
4314 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4315 struct hci_chan *hchan;
4316
4317 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4318 le16_to_cpu(ev->handle), ev->status);
4319
4320 if (ev->status)
4321 return;
4322
4323 hci_dev_lock(hdev);
4324
4325 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4326 if (!hchan)
4327 goto unlock;
4328
4329 amp_destroy_logical_link(hchan, ev->reason);
4330
4331unlock:
4332 hci_dev_unlock(hdev);
4333}
4334
9eef6b3a
AE		 4335static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4336 struct sk_buff *skb)
4337{
4338 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4339 struct hci_conn *hcon;
4340
4341 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4342
4343 if (ev->status)
4344 return;
4345
4346 hci_dev_lock(hdev);
4347
4348 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4349 if (hcon) {
4350 hcon->state = BT_CLOSED;
4351 hci_conn_del(hcon);
4352 }
4353
4354 hci_dev_unlock(hdev);
4355}
4356
6039aa73 4357static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4358{
4359 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4360 struct hci_conn_params *params;
fcd89c09 4361 struct hci_conn *conn;
68d6f6de 4362 struct smp_irk *irk;
837d502e 4363 u8 addr_type;
fcd89c09 4364
9f1db00c 4365 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4366
4367 hci_dev_lock(hdev);
4368
fbd96c15
JH		 4369 /* All controllers implicitly stop advertising in the event of a
4370 * connection, so ensure that the state bit is cleared.
4371 */
4372 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4373
b47a09b3 4374 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4375 if (!conn) {
a5c4e309 4376 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4377 if (!conn) {
4378 BT_ERR("No memory for new connection");
230fd16a 4379 goto unlock;
b62f328b 4380 }
29b7988a
AG		 4381
4382 conn->dst_type = ev->bdaddr_type;
b9b343d2 4383
cb1d68f7
JH		 4384 /* If we didn't have a hci_conn object previously
4385 * but we're in master role this must be something
4386 * initiated using a white list. Since white list based
4387 * connections are not "first class citizens" we don't
4388 * have full tracking of them. Therefore, we go ahead
4389 * with a "best effort" approach of determining the
4390 * initiator address based on the HCI_PRIVACY flag.
4391 */
4392 if (conn->out) {
4393 conn->resp_addr_type = ev->bdaddr_type;
4394 bacpy(&conn->resp_addr, &ev->bdaddr);
4395 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4396 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4397 bacpy(&conn->init_addr, &hdev->rpa);
4398 } else {
4399 hci_copy_identity_address(hdev,
4400 &conn->init_addr,
4401 &conn->init_addr_type);
4402 }
cb1d68f7 4403 }
9489eca4
JH		 4404 } else {
4405 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4406 }
fcd89c09 4407
80c24ab8
JH		 4408 if (!conn->out) {
4409 /* Set the responder (our side) address type based on
4410 * the advertising address type.
4411 */
4412 conn->resp_addr_type = hdev->adv_addr_type;
4413 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4414 bacpy(&conn->resp_addr, &hdev->random_addr);
4415 else
4416 bacpy(&conn->resp_addr, &hdev->bdaddr);
4417
4418 conn->init_addr_type = ev->bdaddr_type;
4419 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4420
4421 /* For incoming connections, set the default minimum
4422 * and maximum connection interval. They will be used
4423 * to check if the parameters are in range and if not
4424 * trigger the connection update procedure.
4425 */
4426 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4427 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4428 }
7be2edbb 4429
edb4b466
MH		 4430 /* Lookup the identity address from the stored connection
4431 * address and address type.
4432 *
4433 * When establishing connections to an identity address, the
4434 * connection procedure will store the resolvable random
4435 * address first. Now if it can be converted back into the
4436 * identity address, start using the identity address from
4437 * now on.
4438 */
4439 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4440 if (irk) {
4441 bacpy(&conn->dst, &irk->bdaddr);
4442 conn->dst_type = irk->addr_type;
4443 }
4444
2d3c2260
JH		 4445 if (ev->status) {
4446 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4447 goto unlock;
4448 }
4449
08853f18
JH		 4450 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4451 addr_type = BDADDR_LE_PUBLIC;
4452 else
4453 addr_type = BDADDR_LE_RANDOM;
4454
2d3c2260
JH		 4455 /* Drop the connection if the device is blocked */
4456 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4457 hci_conn_drop(conn);
cd17decb
AG		 4458 goto unlock;
4459 }
4460
b644ba33 4461 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4462 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4463
7b5c0d52 4464 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4465 conn->handle = __le16_to_cpu(ev->handle);
4466 conn->state = BT_CONNECTED;
4467
e04fde60
MH		 4468 conn->le_conn_interval = le16_to_cpu(ev->interval);
4469 conn->le_conn_latency = le16_to_cpu(ev->latency);
4470 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4471
23b9ceb7 4472 hci_debugfs_create_conn(conn);
fcd89c09
VT		 4473 hci_conn_add_sysfs(conn);
4474
4475 hci_proto_connect_cfm(conn, ev->status);
4476
5477610f
JH		 4477 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4478 conn->dst_type);
f161dd41 4479 if (params) {
95305baa 4480 list_del_init(&params->action);
f161dd41
JH		 4481 if (params->conn) {
4482 hci_conn_drop(params->conn);
f8aaf9b6 4483 hci_conn_put(params->conn);
f161dd41
JH		 4484 params->conn = NULL;
4485 }
4486 }
a4790dbd 4487
fcd89c09 4488unlock:
223683a5 4489 hci_update_background_scan(hdev);
fcd89c09
VT		 4490 hci_dev_unlock(hdev);
4491}
4492
1855d92d
MH		 4493static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4494 struct sk_buff *skb)
4495{
4496 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4497 struct hci_conn *conn;
4498
4499 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4500
4501 if (ev->status)
4502 return;
4503
4504 hci_dev_lock(hdev);
4505
4506 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4507 if (conn) {
4508 conn->le_conn_interval = le16_to_cpu(ev->interval);
4509 conn->le_conn_latency = le16_to_cpu(ev->latency);
4510 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4511 }
4512
4513 hci_dev_unlock(hdev);
4514}
4515
a4790dbd 4516/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4517static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4518 bdaddr_t *addr,
4519 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4520{
4521 struct hci_conn *conn;
4b9e7e75 4522 struct hci_conn_params *params;
a4790dbd 4523
1c1abcab
JH		 4524 /* If the event is not connectable don't proceed further */
4525 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4526 return NULL;
1c1abcab
JH		 4527
4528 /* Ignore if the device is blocked */
dcc36c16 4529 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4530 return NULL;
1c1abcab 4531
f99353cf
JH		 4532 /* Most controller will fail if we try to create new connections
4533 * while we have an existing one in slave role.
4534 */
4535 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4536 return NULL;
f99353cf 4537
1c1abcab
JH		 4538 /* If we're not connectable only connect devices that we have in
4539 * our pend_le_conns list.
4540 */
4b9e7e75
MH		 4541 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4542 addr, addr_type);
4543 if (!params)
fd45ada9 4544 return NULL;
4b9e7e75
MH		 4545
4546 switch (params->auto_connect) {
4547 case HCI_AUTO_CONN_DIRECT:
4548 /* Only devices advertising with ADV_DIRECT_IND are
4549 * triggering a connection attempt. This is allowing
4550 * incoming connections from slave devices.
4551 */
4552 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4553 return NULL;
4b9e7e75
MH		 4554 break;
4555 case HCI_AUTO_CONN_ALWAYS:
4556 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4557 * are triggering a connection attempt. This means
4558 * that incoming connectioms from slave device are
4559 * accepted and also outgoing connections to slave
4560 * devices are established when found.
4561 */
4562 break;
4563 default:
fd45ada9 4564 return NULL;
4b9e7e75 4565 }
a4790dbd
AG		 4566
4567 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4568 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4569 if (!IS_ERR(conn)) {
4570 /* Store the pointer since we don't really have any
4571 * other owner of the object besides the params that
4572 * triggered it. This way we can abort the connection if
4573 * the parameters get removed and keep the reference
4574 * count consistent once the connection is established.
4575 */
f8aaf9b6 4576 params->conn = hci_conn_get(conn);
fd45ada9 4577 return conn;
f161dd41 4578 }
a4790dbd
AG		 4579
4580 switch (PTR_ERR(conn)) {
4581 case -EBUSY:
4582 /* If hci_connect() returns -EBUSY it means there is already
4583 * an LE connection attempt going on. Since controllers don't
4584 * support more than one connection attempt at the time, we
4585 * don't consider this an error case.
4586 */
4587 break;
4588 default:
4589 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4590 return NULL;
a4790dbd 4591 }
fd45ada9
AA		 4592
4593 return NULL;
a4790dbd
AG		 4594}
4595
4af605d8 4596static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
2f010b55
MH		 4597 u8 bdaddr_type, bdaddr_t *direct_addr,
4598 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4af605d8 4599{
b9a6328f 4600 struct discovery_state *d = &hdev->discovery;
1c1abcab 4601 struct smp_irk *irk;
fd45ada9 4602 struct hci_conn *conn;
474ee066 4603 bool match;
c70a7e4c 4604 u32 flags;
b9a6328f 4605
2f010b55
MH		 4606 /* If the direct address is present, then this report is from
4607 * a LE Direct Advertising Report event. In that case it is
4608 * important to see if the address is matching the local
4609 * controller address.
4610 */
4611 if (direct_addr) {
4612 /* Only resolvable random addresses are valid for these
4613 * kind of reports and others can be ignored.
4614 */
4615 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4616 return;
4617
4618 /* If the controller is not using resolvable random
4619 * addresses, then this report can be ignored.
4620 */
4621 if (!test_bit(HCI_PRIVACY, &hdev->dev_flags))
4622 return;
4623
4624 /* If the local IRK of the controller does not match
4625 * with the resolvable random address provided, then
4626 * this report can be ignored.
4627 */
4628 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4629 return;
4630 }
4631
1c1abcab
JH		 4632 /* Check if we need to convert to identity address */
4633 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4634 if (irk) {
4635 bdaddr = &irk->bdaddr;
4636 bdaddr_type = irk->addr_type;
4637 }
4638
4639 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4640 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4641 if (conn && type == LE_ADV_IND) {
4642 /* Store report for later inclusion by
4643 * mgmt_device_connected
4644 */
4645 memcpy(conn->le_adv_data, data, len);
4646 conn->le_adv_data_len = len;
4647 }
1c1abcab 4648
0d2bf134
JH		 4649 /* Passive scanning shouldn't trigger any device found events,
4650 * except for devices marked as CONN_REPORT for which we do send
4651 * device found events.
4652 */
ca5c4be7 4653 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4654 if (type == LE_ADV_DIRECT_IND)
4655 return;
4656
3a19b6fe
JH		 4657 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4658 bdaddr, bdaddr_type))
0d2bf134
JH		 4659 return;
4660
4661 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4662 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4663 else
4664 flags = 0;
4665 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4666 rssi, flags, data, len, NULL, 0);
97bf2e99 4667 return;
ca5c4be7 4668 }
4af605d8 4669
c70a7e4c
MH		 4670 /* When receiving non-connectable or scannable undirected
4671 * advertising reports, this means that the remote device is
4672 * not connectable and then clearly indicate this in the
4673 * device found event.
4674 *
4675 * When receiving a scan response, then there is no way to
4676 * know if the remote device is connectable or not. However
4677 * since scan responses are merged with a previously seen
4678 * advertising report, the flags field from that report
4679 * will be used.
4680 *
4681 * In the really unlikely case that a controller get confused
4682 * and just sends a scan response event, then it is marked as
4683 * not connectable as well.
4684 */
4685 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4686 type == LE_ADV_SCAN_RSP)
4687 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4688 else
4689 flags = 0;
4690
b9a6328f
JH		 4691 /* If there's nothing pending either store the data from this
4692 * event or send an immediate device found event if the data
4693 * should not be stored for later.
4694 */
4695 if (!has_pending_adv_report(hdev)) {
4696 /* If the report will trigger a SCAN_REQ store it for
4697 * later merging.
4698 */
4699 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4700 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4701 rssi, flags, data, len);
b9a6328f
JH		 4702 return;
4703 }
4704
4705 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4706 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4707 return;
4708 }
4709
474ee066
JH		 4710 /* Check if the pending report is for the same device as the new one */
4711 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4712 bdaddr_type == d->last_adv_addr_type);
4713
b9a6328f
JH		 4714 /* If the pending data doesn't match this report or this isn't a
4715 * scan response (e.g. we got a duplicate ADV_IND) then force
4716 * sending of the pending data.
4717 */
474ee066
JH		 4718 if (type != LE_ADV_SCAN_RSP || !match) {
4719 /* Send out whatever is in the cache, but skip duplicates */
4720 if (!match)
4721 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4722 d->last_adv_addr_type, NULL,
c70a7e4c 4723 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4724 d->last_adv_data,
474ee066 4725 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4726
4727 /* If the new report will trigger a SCAN_REQ store it for
4728 * later merging.
4729 */
4730 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4731 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4732 rssi, flags, data, len);
b9a6328f
JH		 4733 return;
4734 }
4735
4736 /* The advertising reports cannot be merged, so clear
4737 * the pending report and send out a device found event.
4738 */
4739 clear_pending_adv_report(hdev);
5c5b93e4 4740 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4741 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4742 return;
4743 }
4744
4745 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4746 * the new event is a SCAN_RSP. We can therefore proceed with
4747 * sending a merged device found event.
4748 */
4749 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4750 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4751 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4752 clear_pending_adv_report(hdev);
4af605d8
JH		 4753}
4754
6039aa73 4755static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4756{
e95beb41
AG		 4757 u8 num_reports = skb->data[0];
4758 void *ptr = &skb->data[1];
9aa04c91 4759
a4790dbd
AG		 4760 hci_dev_lock(hdev);
4761
e95beb41
AG		 4762 while (num_reports--) {
4763 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4764 s8 rssi;
a4790dbd 4765
3c9e9195 4766 rssi = ev->data[ev->length];
4af605d8 4767 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
2f010b55
MH		 4768 ev->bdaddr_type, NULL, 0, rssi,
4769 ev->data, ev->length);
3c9e9195 4770
e95beb41 4771 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4772 }
a4790dbd
AG		 4773
4774 hci_dev_unlock(hdev);
9aa04c91
AG		 4775}
4776
6039aa73 4777static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4778{
4779 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4780 struct hci_cp_le_ltk_reply cp;
bea710fe 4781 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4782 struct hci_conn *conn;
c9839a11 4783 struct smp_ltk *ltk;
a7a595f6 4784
9f1db00c 4785 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4786
4787 hci_dev_lock(hdev);
4788
4789 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4790 if (conn == NULL)
4791 goto not_found;
a7a595f6 4792
f3a73d97 4793 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
5378bc56 4794 if (!ltk)
bea710fe
VCG		 4795 goto not_found;
4796
5378bc56
JH		 4797 if (smp_ltk_is_sc(ltk)) {
4798 /* With SC both EDiv and Rand are set to zero */
4799 if (ev->ediv || ev->rand)
4800 goto not_found;
4801 } else {
4802 /* For non-SC keys check that EDiv and Rand match */
4803 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4804 goto not_found;
4805 }
4806
bea710fe 4807 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4808 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4809
a6f7833c 4810 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4811
89cbb4da 4812 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4813
4814 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4815
5981a882
CT		 4816 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4817 * temporary key used to encrypt a connection following
4818 * pairing. It is used during the Encrypted Session Setup to
4819 * distribute the keys. Later, security can be re-established
4820 * using a distributed LTK.
4821 */
2ceba539 4822 if (ltk->type == SMP_STK) {
fe59a05f 4823 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
970d0f1b
JH		 4824 list_del_rcu(&ltk->list);
4825 kfree_rcu(ltk, rcu);
fe59a05f
JH		 4826 } else {
4827 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4828 }
4829
a7a595f6 4830 hci_dev_unlock(hdev);
bea710fe
VCG		 4831
4832 return;
4833
4834not_found:
4835 neg.handle = ev->handle;
4836 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4837 hci_dev_unlock(hdev);
a7a595f6
VCG		 4838}
4839
8e75b46a
AG		 4840static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4841 u8 reason)
4842{
4843 struct hci_cp_le_conn_param_req_neg_reply cp;
4844
4845 cp.handle = cpu_to_le16(handle);
4846 cp.reason = reason;
4847
4848 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4849 &cp);
4850}
4851
4852static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4853 struct sk_buff *skb)
4854{
4855 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4856 struct hci_cp_le_conn_param_req_reply cp;
4857 struct hci_conn *hcon;
4858 u16 handle, min, max, latency, timeout;
4859
4860 handle = le16_to_cpu(ev->handle);
4861 min = le16_to_cpu(ev->interval_min);
4862 max = le16_to_cpu(ev->interval_max);
4863 latency = le16_to_cpu(ev->latency);
4864 timeout = le16_to_cpu(ev->timeout);
4865
4866 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4867 if (!hcon || hcon->state != BT_CONNECTED)
4868 return send_conn_param_neg_reply(hdev, handle,
4869 HCI_ERROR_UNKNOWN_CONN_ID);
4870
4871 if (hci_check_conn_params(min, max, latency, timeout))
4872 return send_conn_param_neg_reply(hdev, handle,
4873 HCI_ERROR_INVALID_LL_PARAMS);
4874
40bef302 4875 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4876 struct hci_conn_params *params;
f4869e2a 4877 u8 store_hint;
348d50b8
JH		 4878
4879 hci_dev_lock(hdev);
4880
4881 params = hci_conn_params_lookup(hdev, &hcon->dst,
4882 hcon->dst_type);
4883 if (params) {
4884 params->conn_min_interval = min;
4885 params->conn_max_interval = max;
4886 params->conn_latency = latency;
4887 params->supervision_timeout = timeout;
f4869e2a
JH		 4888 store_hint = 0x01;
4889 } else{
4890 store_hint = 0x00;
348d50b8
JH		 4891 }
4892
4893 hci_dev_unlock(hdev);
4894
f4869e2a
JH		 4895 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4896 store_hint, min, max, latency, timeout);
348d50b8 4897 }
ffb5a827 4898
8e75b46a
AG		 4899 cp.handle = ev->handle;
4900 cp.interval_min = ev->interval_min;
4901 cp.interval_max = ev->interval_max;
4902 cp.latency = ev->latency;
4903 cp.timeout = ev->timeout;
4904 cp.min_ce_len = 0;
4905 cp.max_ce_len = 0;
4906
4907 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4908}
4909
2f010b55
MH		 4910static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4911 struct sk_buff *skb)
4912{
4913 u8 num_reports = skb->data[0];
4914 void *ptr = &skb->data[1];
4915
4916 hci_dev_lock(hdev);
4917
4918 while (num_reports--) {
4919 struct hci_ev_le_direct_adv_info *ev = ptr;
4920
4921 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4922 ev->bdaddr_type, &ev->direct_addr,
4923 ev->direct_addr_type, ev->rssi, NULL, 0);
4924
4925 ptr += sizeof(*ev);
4926 }
4927
4928 hci_dev_unlock(hdev);
4929}
4930
6039aa73 4931static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4932{
4933 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4934
4935 skb_pull(skb, sizeof(*le_ev));
4936
4937 switch (le_ev->subevent) {
4938 case HCI_EV_LE_CONN_COMPLETE:
4939 hci_le_conn_complete_evt(hdev, skb);
4940 break;
4941
1855d92d
MH		 4942 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4943 hci_le_conn_update_complete_evt(hdev, skb);
4944 break;
4945
9aa04c91
AG		 4946 case HCI_EV_LE_ADVERTISING_REPORT:
4947 hci_le_adv_report_evt(hdev, skb);
4948 break;
4949
a7a595f6
VCG		 4950 case HCI_EV_LE_LTK_REQ:
4951 hci_le_ltk_request_evt(hdev, skb);
4952 break;
4953
8e75b46a
AG		 4954 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4955 hci_le_remote_conn_param_req_evt(hdev, skb);
4956 break;
4957
2f010b55
MH		 4958 case HCI_EV_LE_DIRECT_ADV_REPORT:
4959 hci_le_direct_adv_report_evt(hdev, skb);
4960 break;
4961
fcd89c09
VT		 4962 default:
4963 break;
4964 }
4965}
4966
9495b2ee
AE		 4967static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4968{
4969 struct hci_ev_channel_selected *ev = (void *) skb->data;
4970 struct hci_conn *hcon;
4971
4972 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4973
4974 skb_pull(skb, sizeof(*ev));
4975
4976 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4977 if (!hcon)
4978 return;
4979
4980 amp_read_loc_assoc_final_data(hdev, hcon);
4981}
4982
a9de9248
MH		 4983void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4984{
4985 struct hci_event_hdr *hdr = (void *) skb->data;
4986 __u8 event = hdr->evt;
4987
b6ddb638
JH		 4988 hci_dev_lock(hdev);
4989
4990 /* Received events are (currently) only needed when a request is
4991 * ongoing so avoid unnecessary memory allocation.
4992 */
899de765 4993 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4994 kfree_skb(hdev->recv_evt);
4995 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4996 }
4997
4998 hci_dev_unlock(hdev);
4999
a9de9248
MH		 5000 skb_pull(skb, HCI_EVENT_HDR_SIZE);
5001
02350a72 5002 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 5003 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
5004 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 5005
5006 hci_req_cmd_complete(hdev, opcode, 0);
5007 }
5008
a9de9248 5009 switch (event) {
1da177e4
LT		 5010 case HCI_EV_INQUIRY_COMPLETE:
5011 hci_inquiry_complete_evt(hdev, skb);
5012 break;
5013
5014 case HCI_EV_INQUIRY_RESULT:
5015 hci_inquiry_result_evt(hdev, skb);
5016 break;
5017
a9de9248
MH		 5018 case HCI_EV_CONN_COMPLETE:
5019 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 5020 break;
5021
1da177e4
LT		 5022 case HCI_EV_CONN_REQUEST:
5023 hci_conn_request_evt(hdev, skb);
5024 break;
5025
1da177e4
LT		 5026 case HCI_EV_DISCONN_COMPLETE:
5027 hci_disconn_complete_evt(hdev, skb);
5028 break;
5029
1da177e4
LT		 5030 case HCI_EV_AUTH_COMPLETE:
5031 hci_auth_complete_evt(hdev, skb);
5032 break;
5033
a9de9248
MH		 5034 case HCI_EV_REMOTE_NAME:
5035 hci_remote_name_evt(hdev, skb);
5036 break;
5037
1da177e4
LT		 5038 case HCI_EV_ENCRYPT_CHANGE:
5039 hci_encrypt_change_evt(hdev, skb);
5040 break;
5041
a9de9248
MH		 5042 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
5043 hci_change_link_key_complete_evt(hdev, skb);
5044 break;
5045
5046 case HCI_EV_REMOTE_FEATURES:
5047 hci_remote_features_evt(hdev, skb);
5048 break;
5049
a9de9248
MH		 5050 case HCI_EV_CMD_COMPLETE:
5051 hci_cmd_complete_evt(hdev, skb);
5052 break;
5053
5054 case HCI_EV_CMD_STATUS:
5055 hci_cmd_status_evt(hdev, skb);
5056 break;
5057
24dfa343
MH		 5058 case HCI_EV_HARDWARE_ERROR:
5059 hci_hardware_error_evt(hdev, skb);
5060 break;
5061
a9de9248
MH		 5062 case HCI_EV_ROLE_CHANGE:
5063 hci_role_change_evt(hdev, skb);
5064 break;
5065
5066 case HCI_EV_NUM_COMP_PKTS:
5067 hci_num_comp_pkts_evt(hdev, skb);
5068 break;
5069
5070 case HCI_EV_MODE_CHANGE:
5071 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 5072 break;
5073
5074 case HCI_EV_PIN_CODE_REQ:
5075 hci_pin_code_request_evt(hdev, skb);
5076 break;
5077
5078 case HCI_EV_LINK_KEY_REQ:
5079 hci_link_key_request_evt(hdev, skb);
5080 break;
5081
5082 case HCI_EV_LINK_KEY_NOTIFY:
5083 hci_link_key_notify_evt(hdev, skb);
5084 break;
5085
5086 case HCI_EV_CLOCK_OFFSET:
5087 hci_clock_offset_evt(hdev, skb);
5088 break;
5089
a8746417
MH		 5090 case HCI_EV_PKT_TYPE_CHANGE:
5091 hci_pkt_type_change_evt(hdev, skb);
5092 break;
5093
85a1e930
MH		 5094 case HCI_EV_PSCAN_REP_MODE:
5095 hci_pscan_rep_mode_evt(hdev, skb);
5096 break;
5097
a9de9248
MH		 5098 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
5099 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 5100 break;
5101
a9de9248
MH		 5102 case HCI_EV_REMOTE_EXT_FEATURES:
5103 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 5104 break;
5105
a9de9248
MH		 5106 case HCI_EV_SYNC_CONN_COMPLETE:
5107 hci_sync_conn_complete_evt(hdev, skb);
5108 break;
1da177e4 5109
a9de9248
MH		 5110 case HCI_EV_EXTENDED_INQUIRY_RESULT:
5111 hci_extended_inquiry_result_evt(hdev, skb);
5112 break;
1da177e4 5113
1c2e0041
JH		 5114 case HCI_EV_KEY_REFRESH_COMPLETE:
5115 hci_key_refresh_complete_evt(hdev, skb);
5116 break;
5117
0493684e
MH		 5118 case HCI_EV_IO_CAPA_REQUEST:
5119 hci_io_capa_request_evt(hdev, skb);
5120 break;
5121
03b555e1
JH		 5122 case HCI_EV_IO_CAPA_REPLY:
5123 hci_io_capa_reply_evt(hdev, skb);
5124 break;
5125
a5c29683
JH		 5126 case HCI_EV_USER_CONFIRM_REQUEST:
5127 hci_user_confirm_request_evt(hdev, skb);
5128 break;
5129
1143d458
BG		 5130 case HCI_EV_USER_PASSKEY_REQUEST:
5131 hci_user_passkey_request_evt(hdev, skb);
5132 break;
5133
92a25256
JH		 5134 case HCI_EV_USER_PASSKEY_NOTIFY:
5135 hci_user_passkey_notify_evt(hdev, skb);
5136 break;
5137
5138 case HCI_EV_KEYPRESS_NOTIFY:
5139 hci_keypress_notify_evt(hdev, skb);
5140 break;
5141
0493684e
MH		 5142 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5143 hci_simple_pair_complete_evt(hdev, skb);
5144 break;
5145
41a96212
MH		 5146 case HCI_EV_REMOTE_HOST_FEATURES:
5147 hci_remote_host_features_evt(hdev, skb);
5148 break;
5149
fcd89c09
VT		 5150 case HCI_EV_LE_META:
5151 hci_le_meta_evt(hdev, skb);
5152 break;
5153
9495b2ee
AE		 5154 case HCI_EV_CHANNEL_SELECTED:
5155 hci_chan_selected_evt(hdev, skb);
5156 break;
5157
2763eda6
SJ		 5158 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5159 hci_remote_oob_data_request_evt(hdev, skb);
5160 break;
5161
d5e91192
AE		 5162 case HCI_EV_PHY_LINK_COMPLETE:
5163 hci_phy_link_complete_evt(hdev, skb);
5164 break;
5165
27695fb4
AE		 5166 case HCI_EV_LOGICAL_LINK_COMPLETE:
5167 hci_loglink_complete_evt(hdev, skb);
5168 break;
5169
606e2a10
AE		 5170 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5171 hci_disconn_loglink_complete_evt(hdev, skb);
5172 break;
5173
9eef6b3a
AE		 5174 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5175 hci_disconn_phylink_complete_evt(hdev, skb);
5176 break;
5177
25e89e99
AE		 5178 case HCI_EV_NUM_COMP_BLOCKS:
5179 hci_num_comp_blocks_evt(hdev, skb);
5180 break;
5181
a9de9248 5182 default:
9f1db00c 5183 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 5184 break;
5185 }
5186
5187 kfree_skb(skb);
5188 hdev->stat.evt_rx++;
5189}
Linux 6.x block layer and io_uring tree(s)