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Bluetooth: Introduce hci_dev_do_reset helper function
[deliverable/linux.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
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
2674 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2675 struct hci_cp_read_remote_ext_features cp;
2676 cp.handle = ev->handle;
2677 cp.page = 0x01;
2678 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2679 sizeof(cp), &cp);
392599b9
JH		 2680 goto unlock;
2681 }
2682
671267bf 2683 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2684 struct hci_cp_remote_name_req cp;
2685 memset(&cp, 0, sizeof(cp));
2686 bacpy(&cp.bdaddr, &conn->dst);
2687 cp.pscan_rep_mode = 0x02;
2688 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2689 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2690 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2691
127178d2 2692 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2693 conn->state = BT_CONNECTED;
2694 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2695 hci_conn_drop(conn);
769be974 2696 }
a9de9248 2697
ccd556fe 2698unlock:
a9de9248 2699 hci_dev_unlock(hdev);
1da177e4
LT		 2700}
2701
6039aa73 2702static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2703{
2704 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2705 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2706 __u16 opcode;
2707
2708 skb_pull(skb, sizeof(*ev));
2709
2710 opcode = __le16_to_cpu(ev->opcode);
2711
2712 switch (opcode) {
2713 case HCI_OP_INQUIRY_CANCEL:
2714 hci_cc_inquiry_cancel(hdev, skb);
2715 break;
2716
4d93483b
AG		 2717 case HCI_OP_PERIODIC_INQ:
2718 hci_cc_periodic_inq(hdev, skb);
2719 break;
2720
a9de9248
MH		 2721 case HCI_OP_EXIT_PERIODIC_INQ:
2722 hci_cc_exit_periodic_inq(hdev, skb);
2723 break;
2724
2725 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2726 hci_cc_remote_name_req_cancel(hdev, skb);
2727 break;
2728
2729 case HCI_OP_ROLE_DISCOVERY:
2730 hci_cc_role_discovery(hdev, skb);
2731 break;
2732
e4e8e37c
MH		 2733 case HCI_OP_READ_LINK_POLICY:
2734 hci_cc_read_link_policy(hdev, skb);
2735 break;
2736
a9de9248
MH		 2737 case HCI_OP_WRITE_LINK_POLICY:
2738 hci_cc_write_link_policy(hdev, skb);
2739 break;
2740
e4e8e37c
MH		 2741 case HCI_OP_READ_DEF_LINK_POLICY:
2742 hci_cc_read_def_link_policy(hdev, skb);
2743 break;
2744
2745 case HCI_OP_WRITE_DEF_LINK_POLICY:
2746 hci_cc_write_def_link_policy(hdev, skb);
2747 break;
2748
a9de9248
MH		 2749 case HCI_OP_RESET:
2750 hci_cc_reset(hdev, skb);
2751 break;
2752
c2f0f979
MH		 2753 case HCI_OP_READ_STORED_LINK_KEY:
2754 hci_cc_read_stored_link_key(hdev, skb);
2755 break;
2756
a9366120
MH		 2757 case HCI_OP_DELETE_STORED_LINK_KEY:
2758 hci_cc_delete_stored_link_key(hdev, skb);
2759 break;
2760
a9de9248
MH		 2761 case HCI_OP_WRITE_LOCAL_NAME:
2762 hci_cc_write_local_name(hdev, skb);
2763 break;
2764
2765 case HCI_OP_READ_LOCAL_NAME:
2766 hci_cc_read_local_name(hdev, skb);
2767 break;
2768
2769 case HCI_OP_WRITE_AUTH_ENABLE:
2770 hci_cc_write_auth_enable(hdev, skb);
2771 break;
2772
2773 case HCI_OP_WRITE_ENCRYPT_MODE:
2774 hci_cc_write_encrypt_mode(hdev, skb);
2775 break;
2776
2777 case HCI_OP_WRITE_SCAN_ENABLE:
2778 hci_cc_write_scan_enable(hdev, skb);
2779 break;
2780
2781 case HCI_OP_READ_CLASS_OF_DEV:
2782 hci_cc_read_class_of_dev(hdev, skb);
2783 break;
2784
2785 case HCI_OP_WRITE_CLASS_OF_DEV:
2786 hci_cc_write_class_of_dev(hdev, skb);
2787 break;
2788
2789 case HCI_OP_READ_VOICE_SETTING:
2790 hci_cc_read_voice_setting(hdev, skb);
2791 break;
2792
2793 case HCI_OP_WRITE_VOICE_SETTING:
2794 hci_cc_write_voice_setting(hdev, skb);
2795 break;
2796
b4cb9fb2
MH		 2797 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2798 hci_cc_read_num_supported_iac(hdev, skb);
2799 break;
2800
333140b5
MH		 2801 case HCI_OP_WRITE_SSP_MODE:
2802 hci_cc_write_ssp_mode(hdev, skb);
2803 break;
2804
eac83dc6
MH		 2805 case HCI_OP_WRITE_SC_SUPPORT:
2806 hci_cc_write_sc_support(hdev, skb);
2807 break;
2808
a9de9248
MH		 2809 case HCI_OP_READ_LOCAL_VERSION:
2810 hci_cc_read_local_version(hdev, skb);
2811 break;
2812
2813 case HCI_OP_READ_LOCAL_COMMANDS:
2814 hci_cc_read_local_commands(hdev, skb);
2815 break;
2816
2817 case HCI_OP_READ_LOCAL_FEATURES:
2818 hci_cc_read_local_features(hdev, skb);
2819 break;
2820
971e3a4b
AG		 2821 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2822 hci_cc_read_local_ext_features(hdev, skb);
2823 break;
2824
a9de9248
MH		 2825 case HCI_OP_READ_BUFFER_SIZE:
2826 hci_cc_read_buffer_size(hdev, skb);
2827 break;
2828
2829 case HCI_OP_READ_BD_ADDR:
2830 hci_cc_read_bd_addr(hdev, skb);
2831 break;
2832
f332ec66
JH		 2833 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2834 hci_cc_read_page_scan_activity(hdev, skb);
2835 break;
2836
4a3ee763
JH		 2837 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2838 hci_cc_write_page_scan_activity(hdev, skb);
2839 break;
2840
f332ec66
JH		 2841 case HCI_OP_READ_PAGE_SCAN_TYPE:
2842 hci_cc_read_page_scan_type(hdev, skb);
2843 break;
2844
4a3ee763
JH		 2845 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2846 hci_cc_write_page_scan_type(hdev, skb);
2847 break;
2848
350ee4cf
AE		 2849 case HCI_OP_READ_DATA_BLOCK_SIZE:
2850 hci_cc_read_data_block_size(hdev, skb);
2851 break;
2852
1e89cffb
AE		 2853 case HCI_OP_READ_FLOW_CONTROL_MODE:
2854 hci_cc_read_flow_control_mode(hdev, skb);
2855 break;
2856
928abaa7
AE		 2857 case HCI_OP_READ_LOCAL_AMP_INFO:
2858 hci_cc_read_local_amp_info(hdev, skb);
2859 break;
2860
33f35721
JH		 2861 case HCI_OP_READ_CLOCK:
2862 hci_cc_read_clock(hdev, skb);
2863 break;
2864
903e4541
AE		 2865 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2866 hci_cc_read_local_amp_assoc(hdev, skb);
2867 break;
2868
d5859e22
JH		 2869 case HCI_OP_READ_INQ_RSP_TX_POWER:
2870 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2871 break;
2872
980e1a53
JH		 2873 case HCI_OP_PIN_CODE_REPLY:
2874 hci_cc_pin_code_reply(hdev, skb);
2875 break;
2876
2877 case HCI_OP_PIN_CODE_NEG_REPLY:
2878 hci_cc_pin_code_neg_reply(hdev, skb);
2879 break;
2880
c35938b2 2881 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2882 hci_cc_read_local_oob_data(hdev, skb);
2883 break;
2884
2885 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2886 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2887 break;
2888
6ed58ec5
VT		 2889 case HCI_OP_LE_READ_BUFFER_SIZE:
2890 hci_cc_le_read_buffer_size(hdev, skb);
2891 break;
2892
60e77321
JH		 2893 case HCI_OP_LE_READ_LOCAL_FEATURES:
2894 hci_cc_le_read_local_features(hdev, skb);
2895 break;
2896
8fa19098
JH		 2897 case HCI_OP_LE_READ_ADV_TX_POWER:
2898 hci_cc_le_read_adv_tx_power(hdev, skb);
2899 break;
2900
a5c29683
JH		 2901 case HCI_OP_USER_CONFIRM_REPLY:
2902 hci_cc_user_confirm_reply(hdev, skb);
2903 break;
2904
2905 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2906 hci_cc_user_confirm_neg_reply(hdev, skb);
2907 break;
2908
1143d458
BG		 2909 case HCI_OP_USER_PASSKEY_REPLY:
2910 hci_cc_user_passkey_reply(hdev, skb);
2911 break;
2912
2913 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2914 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2915 break;
07f7fa5d 2916
7a4cd51d
MH		 2917 case HCI_OP_LE_SET_RANDOM_ADDR:
2918 hci_cc_le_set_random_addr(hdev, skb);
2919 break;
2920
c1d5dc4a
JH		 2921 case HCI_OP_LE_SET_ADV_ENABLE:
2922 hci_cc_le_set_adv_enable(hdev, skb);
2923 break;
2924
533553f8
MH		 2925 case HCI_OP_LE_SET_SCAN_PARAM:
2926 hci_cc_le_set_scan_param(hdev, skb);
2927 break;
2928
eb9d91f5
AG		 2929 case HCI_OP_LE_SET_SCAN_ENABLE:
2930 hci_cc_le_set_scan_enable(hdev, skb);
2931 break;
2932
cf1d081f
JH		 2933 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2934 hci_cc_le_read_white_list_size(hdev, skb);
2935 break;
2936
0f36b589
MH		 2937 case HCI_OP_LE_CLEAR_WHITE_LIST:
2938 hci_cc_le_clear_white_list(hdev, skb);
2939 break;
2940
2941 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2942 hci_cc_le_add_to_white_list(hdev, skb);
2943 break;
2944
2945 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2946 hci_cc_le_del_from_white_list(hdev, skb);
2947 break;
2948
9b008c04
JH		 2949 case HCI_OP_LE_READ_SUPPORTED_STATES:
2950 hci_cc_le_read_supported_states(hdev, skb);
2951 break;
2952
a8e1bfaa
MH		 2953 case HCI_OP_LE_READ_DEF_DATA_LEN:
2954 hci_cc_le_read_def_data_len(hdev, skb);
2955 break;
2956
2957 case HCI_OP_LE_WRITE_DEF_DATA_LEN:
2958 hci_cc_le_write_def_data_len(hdev, skb);
2959 break;
2960
2961 case HCI_OP_LE_READ_MAX_DATA_LEN:
2962 hci_cc_le_read_max_data_len(hdev, skb);
2963 break;
2964
f9b49306
AG		 2965 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2966 hci_cc_write_le_host_supported(hdev, skb);
2967 break;
2968
56ed2cb8
JH		 2969 case HCI_OP_LE_SET_ADV_PARAM:
2970 hci_cc_set_adv_param(hdev, skb);
2971 break;
2972
93c284ee
AE		 2973 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2974 hci_cc_write_remote_amp_assoc(hdev, skb);
2975 break;
2976
5ae76a94
AK		 2977 case HCI_OP_READ_RSSI:
2978 hci_cc_read_rssi(hdev, skb);
2979 break;
2980
5a134fae
AK		 2981 case HCI_OP_READ_TX_POWER:
2982 hci_cc_read_tx_power(hdev, skb);
2983 break;
2984
a9de9248 2985 default:
9f1db00c 2986 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2987 break;
2988 }
2989
ad82cdd1 2990 if (opcode != HCI_OP_NOP)
65cc2b49 2991 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2992
ad82cdd1 2993 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2994
dbccd791 2995 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2996 atomic_set(&hdev->cmd_cnt, 1);
2997 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2998 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2999 }
3000}
3001
6039aa73 3002static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3003{
3004 struct hci_ev_cmd_status *ev = (void *) skb->data;
3005 __u16 opcode;
3006
3007 skb_pull(skb, sizeof(*ev));
3008
3009 opcode = __le16_to_cpu(ev->opcode);
3010
3011 switch (opcode) {
3012 case HCI_OP_INQUIRY:
3013 hci_cs_inquiry(hdev, ev->status);
3014 break;
3015
3016 case HCI_OP_CREATE_CONN:
3017 hci_cs_create_conn(hdev, ev->status);
3018 break;
3019
9645c76c
KP		 3020 case HCI_OP_DISCONNECT:
3021 hci_cs_disconnect(hdev, ev->status);
3022 break;
3023
a9de9248
MH		 3024 case HCI_OP_ADD_SCO:
3025 hci_cs_add_sco(hdev, ev->status);
3026 break;
3027
f8558555
MH		 3028 case HCI_OP_AUTH_REQUESTED:
3029 hci_cs_auth_requested(hdev, ev->status);
3030 break;
3031
3032 case HCI_OP_SET_CONN_ENCRYPT:
3033 hci_cs_set_conn_encrypt(hdev, ev->status);
3034 break;
3035
a9de9248
MH		 3036 case HCI_OP_REMOTE_NAME_REQ:
3037 hci_cs_remote_name_req(hdev, ev->status);
3038 break;
3039
769be974
MH		 3040 case HCI_OP_READ_REMOTE_FEATURES:
3041 hci_cs_read_remote_features(hdev, ev->status);
3042 break;
3043
3044 case HCI_OP_READ_REMOTE_EXT_FEATURES:
3045 hci_cs_read_remote_ext_features(hdev, ev->status);
3046 break;
3047
a9de9248
MH		 3048 case HCI_OP_SETUP_SYNC_CONN:
3049 hci_cs_setup_sync_conn(hdev, ev->status);
3050 break;
3051
9645c76c
KP		 3052 case HCI_OP_CREATE_PHY_LINK:
3053 hci_cs_create_phylink(hdev, ev->status);
3054 break;
3055
3056 case HCI_OP_ACCEPT_PHY_LINK:
3057 hci_cs_accept_phylink(hdev, ev->status);
3058 break;
3059
a9de9248
MH		 3060 case HCI_OP_SNIFF_MODE:
3061 hci_cs_sniff_mode(hdev, ev->status);
3062 break;
3063
3064 case HCI_OP_EXIT_SNIFF_MODE:
3065 hci_cs_exit_sniff_mode(hdev, ev->status);
3066 break;
3067
50fc85f1
KP		 3068 case HCI_OP_SWITCH_ROLE:
3069 hci_cs_switch_role(hdev, ev->status);
3070 break;
3071
cb1d68f7
JH		 3072 case HCI_OP_LE_CREATE_CONN:
3073 hci_cs_le_create_conn(hdev, ev->status);
3074 break;
3075
81d0c8ad
JH		 3076 case HCI_OP_LE_START_ENC:
3077 hci_cs_le_start_enc(hdev, ev->status);
3078 break;
3079
a9de9248 3080 default:
9f1db00c 3081 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 3082 break;
3083 }
3084
ad82cdd1 3085 if (opcode != HCI_OP_NOP)
65cc2b49 3086 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3087
02350a72
JH		 3088 if (ev->status ||
3089 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
3090 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 3091
10572132 3092 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 3093 atomic_set(&hdev->cmd_cnt, 1);
3094 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 3095 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3096 }
3097}
3098
24dfa343
MH		 3099static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
3100{
3101 struct hci_ev_hardware_error *ev = (void *) skb->data;
3102
3103 BT_ERR("%s hardware error 0x%2.2x", hdev->name, ev->code);
3104}
3105
6039aa73 3106static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3107{
3108 struct hci_ev_role_change *ev = (void *) skb->data;
3109 struct hci_conn *conn;
3110
9f1db00c 3111 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 3112
3113 hci_dev_lock(hdev);
3114
3115 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3116 if (conn) {
40bef302
JH		 3117 if (!ev->status)
3118 conn->role = ev->role;
a9de9248 3119
51a8efd7 3120 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 3121
3122 hci_role_switch_cfm(conn, ev->status, ev->role);
3123 }
3124
3125 hci_dev_unlock(hdev);
3126}
3127
6039aa73 3128static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3129{
3130 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 3131 int i;
3132
32ac5b9b
AE		 3133 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3134 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3135 return;
3136 }
3137
c5993de8 3138 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3139 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 3140 BT_DBG("%s bad parameters", hdev->name);
3141 return;
3142 }
3143
c5993de8
AE		 3144 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3145
613a1c0c
AE		 3146 for (i = 0; i < ev->num_hndl; i++) {
3147 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3148 struct hci_conn *conn;
3149 __u16 handle, count;
3150
613a1c0c
AE		 3151 handle = __le16_to_cpu(info->handle);
3152 count = __le16_to_cpu(info->count);
a9de9248
MH		 3153
3154 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3155 if (!conn)
3156 continue;
3157
3158 conn->sent -= count;
3159
3160 switch (conn->type) {
3161 case ACL_LINK:
3162 hdev->acl_cnt += count;
3163 if (hdev->acl_cnt > hdev->acl_pkts)
3164 hdev->acl_cnt = hdev->acl_pkts;
3165 break;
3166
3167 case LE_LINK:
3168 if (hdev->le_pkts) {
3169 hdev->le_cnt += count;
3170 if (hdev->le_cnt > hdev->le_pkts)
3171 hdev->le_cnt = hdev->le_pkts;
3172 } else {
70f23020
AE		 3173 hdev->acl_cnt += count;
3174 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3175 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3176 }
f4280918
AE		 3177 break;
3178
3179 case SCO_LINK:
3180 hdev->sco_cnt += count;
3181 if (hdev->sco_cnt > hdev->sco_pkts)
3182 hdev->sco_cnt = hdev->sco_pkts;
3183 break;
3184
3185 default:
3186 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3187 break;
a9de9248
MH		 3188 }
3189 }
3190
3eff45ea 3191 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3192}
3193
76ef7cf7
AE		 3194static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3195 __u16 handle)
3196{
3197 struct hci_chan *chan;
3198
3199 switch (hdev->dev_type) {
3200 case HCI_BREDR:
3201 return hci_conn_hash_lookup_handle(hdev, handle);
3202 case HCI_AMP:
3203 chan = hci_chan_lookup_handle(hdev, handle);
3204 if (chan)
3205 return chan->conn;
3206 break;
3207 default:
3208 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3209 break;
3210 }
3211
3212 return NULL;
3213}
3214
6039aa73 3215static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3216{
3217 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3218 int i;
3219
3220 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3221 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3222 return;
3223 }
3224
3225 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3226 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3227 BT_DBG("%s bad parameters", hdev->name);
3228 return;
3229 }
3230
3231 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3232 ev->num_hndl);
25e89e99
AE		 3233
3234 for (i = 0; i < ev->num_hndl; i++) {
3235 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3236 struct hci_conn *conn = NULL;
25e89e99
AE		 3237 __u16 handle, block_count;
3238
3239 handle = __le16_to_cpu(info->handle);
3240 block_count = __le16_to_cpu(info->blocks);
3241
76ef7cf7 3242 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3243 if (!conn)
3244 continue;
3245
3246 conn->sent -= block_count;
3247
3248 switch (conn->type) {
3249 case ACL_LINK:
bd1eb66b 3250 case AMP_LINK:
25e89e99
AE		 3251 hdev->block_cnt += block_count;
3252 if (hdev->block_cnt > hdev->num_blocks)
3253 hdev->block_cnt = hdev->num_blocks;
3254 break;
3255
3256 default:
3257 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3258 break;
3259 }
3260 }
3261
3262 queue_work(hdev->workqueue, &hdev->tx_work);
3263}
3264
6039aa73 3265static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3266{
a9de9248 3267 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3268 struct hci_conn *conn;
3269
9f1db00c 3270 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3271
3272 hci_dev_lock(hdev);
3273
3274 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3275 if (conn) {
3276 conn->mode = ev->mode;
a9de9248 3277
8fc9ced3
GP		 3278 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3279 &conn->flags)) {
a9de9248 3280 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3281 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3282 else
58a681ef 3283 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3284 }
e73439d8 3285
51a8efd7 3286 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3287 hci_sco_setup(conn, ev->status);
04837f64
MH		 3288 }
3289
3290 hci_dev_unlock(hdev);
3291}
3292
6039aa73 3293static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3294{
052b30b0
MH		 3295 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3296 struct hci_conn *conn;
3297
a9de9248 3298 BT_DBG("%s", hdev->name);
052b30b0
MH		 3299
3300 hci_dev_lock(hdev);
3301
3302 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3303 if (!conn)
3304 goto unlock;
3305
3306 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3307 hci_conn_hold(conn);
3308 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3309 hci_conn_drop(conn);
052b30b0
MH		 3310 }
3311
b6ae8457 3312 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3313 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3314 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3315 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3316 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3317 u8 secure;
3318
3319 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3320 secure = 1;
3321 else
3322 secure = 0;
3323
744cf19e 3324 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3325 }
980e1a53 3326
b6f98044 3327unlock:
052b30b0 3328 hci_dev_unlock(hdev);
a9de9248
MH		 3329}
3330
cb6f3f7a
JH		 3331static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3332{
3333 if (key_type == HCI_LK_CHANGED_COMBINATION)
3334 return;
3335
3336 conn->pin_length = pin_len;
3337 conn->key_type = key_type;
3338
3339 switch (key_type) {
3340 case HCI_LK_LOCAL_UNIT:
3341 case HCI_LK_REMOTE_UNIT:
3342 case HCI_LK_DEBUG_COMBINATION:
3343 return;
3344 case HCI_LK_COMBINATION:
3345 if (pin_len == 16)
3346 conn->pending_sec_level = BT_SECURITY_HIGH;
3347 else
3348 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3349 break;
3350 case HCI_LK_UNAUTH_COMBINATION_P192:
3351 case HCI_LK_UNAUTH_COMBINATION_P256:
3352 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3353 break;
3354 case HCI_LK_AUTH_COMBINATION_P192:
3355 conn->pending_sec_level = BT_SECURITY_HIGH;
3356 break;
3357 case HCI_LK_AUTH_COMBINATION_P256:
3358 conn->pending_sec_level = BT_SECURITY_FIPS;
3359 break;
3360 }
3361}
3362
6039aa73 3363static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3364{
55ed8ca1
JH		 3365 struct hci_ev_link_key_req *ev = (void *) skb->data;
3366 struct hci_cp_link_key_reply cp;
3367 struct hci_conn *conn;
3368 struct link_key *key;
3369
a9de9248 3370 BT_DBG("%s", hdev->name);
55ed8ca1 3371
034cbea0 3372 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3373 return;
3374
3375 hci_dev_lock(hdev);
3376
3377 key = hci_find_link_key(hdev, &ev->bdaddr);
3378 if (!key) {
6ed93dc6
AE		 3379 BT_DBG("%s link key not found for %pMR", hdev->name,
3380 &ev->bdaddr);
55ed8ca1
JH		 3381 goto not_found;
3382 }
3383
6ed93dc6
AE		 3384 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3385 &ev->bdaddr);
55ed8ca1 3386
55ed8ca1 3387 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3388 if (conn) {
fe8bc5ac
JH		 3389 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3390
66138ce8
MH		 3391 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3392 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3393 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3394 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3395 goto not_found;
3396 }
55ed8ca1 3397
60b83f57 3398 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3399 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3400 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3401 BT_DBG("%s ignoring key unauthenticated for high security",
3402 hdev->name);
60b83f57
WR		 3403 goto not_found;
3404 }
3405
cb6f3f7a 3406 conn_set_key(conn, key->type, key->pin_len);
55ed8ca1
JH		 3407 }
3408
3409 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3410 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3411
3412 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3413
3414 hci_dev_unlock(hdev);
3415
3416 return;
3417
3418not_found:
3419 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3420 hci_dev_unlock(hdev);
a9de9248
MH		 3421}
3422
6039aa73 3423static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3424{
052b30b0
MH		 3425 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3426 struct hci_conn *conn;
7652ff6a
JH		 3427 struct link_key *key;
3428 bool persistent;
55ed8ca1 3429 u8 pin_len = 0;
052b30b0 3430
a9de9248 3431 BT_DBG("%s", hdev->name);
052b30b0
MH		 3432
3433 hci_dev_lock(hdev);
3434
3435 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
82c13d42
JH		 3436 if (!conn)
3437 goto unlock;
3438
3439 hci_conn_hold(conn);
3440 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3441 hci_conn_drop(conn);
3442
fe8bc5ac 3443 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
82c13d42 3444 conn_set_key(conn, ev->key_type, conn->pin_length);
052b30b0 3445
7652ff6a
JH		 3446 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3447 goto unlock;
3448
3449 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3450 ev->key_type, pin_len, &persistent);
3451 if (!key)
3452 goto unlock;
3453
cb6f3f7a
JH		 3454 /* Update connection information since adding the key will have
3455 * fixed up the type in the case of changed combination keys.
3456 */
3457 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3458 conn_set_key(conn, key->type, key->pin_len);
3459
7652ff6a 3460 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3461
6d5650c4
JH		 3462 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3463 * is set. If it's not set simply remove the key from the kernel
3464 * list (we've still notified user space about it but with
3465 * store_hint being 0).
3466 */
3467 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3468 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
0378b597
JH		 3469 list_del_rcu(&key->list);
3470 kfree_rcu(key, rcu);
82c13d42 3471 goto unlock;
6d5650c4 3472 }
7652ff6a 3473
82c13d42
JH		 3474 if (persistent)
3475 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3476 else
3477 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3478
7652ff6a 3479unlock:
052b30b0 3480 hci_dev_unlock(hdev);
a9de9248
MH		 3481}
3482
6039aa73 3483static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3484{
a9de9248 3485 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3486 struct hci_conn *conn;
1da177e4 3487
9f1db00c 3488 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3489
3490 hci_dev_lock(hdev);
3491
04837f64 3492 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3493 if (conn && !ev->status) {
3494 struct inquiry_entry *ie;
3495
cc11b9c1
AE		 3496 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3497 if (ie) {
1da177e4
LT		 3498 ie->data.clock_offset = ev->clock_offset;
3499 ie->timestamp = jiffies;
3500 }
3501 }
3502
3503 hci_dev_unlock(hdev);
3504}
3505
6039aa73 3506static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3507{
3508 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3509 struct hci_conn *conn;
3510
9f1db00c 3511 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3512
3513 hci_dev_lock(hdev);
3514
3515 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3516 if (conn && !ev->status)
3517 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3518
3519 hci_dev_unlock(hdev);
3520}
3521
6039aa73 3522static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3523{
a9de9248 3524 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3525 struct inquiry_entry *ie;
3526
3527 BT_DBG("%s", hdev->name);
3528
3529 hci_dev_lock(hdev);
3530
cc11b9c1
AE		 3531 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3532 if (ie) {
85a1e930
MH		 3533 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3534 ie->timestamp = jiffies;
3535 }
3536
3537 hci_dev_unlock(hdev);
3538}
3539
6039aa73
GP		 3540static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3541 struct sk_buff *skb)
a9de9248
MH		 3542{
3543 struct inquiry_data data;
3544 int num_rsp = *((__u8 *) skb->data);
3545
3546 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3547
3548 if (!num_rsp)
3549 return;
3550
1519cc17
AG		 3551 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3552 return;
3553
a9de9248
MH		 3554 hci_dev_lock(hdev);
3555
3556 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3557 struct inquiry_info_with_rssi_and_pscan_mode *info;
3558 info = (void *) (skb->data + 1);
a9de9248 3559
e17acd40 3560 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3561 u32 flags;
3562
a9de9248
MH		 3563 bacpy(&data.bdaddr, &info->bdaddr);
3564 data.pscan_rep_mode = info->pscan_rep_mode;
3565 data.pscan_period_mode = info->pscan_period_mode;
3566 data.pscan_mode = info->pscan_mode;
3567 memcpy(data.dev_class, info->dev_class, 3);
3568 data.clock_offset = info->clock_offset;
3569 data.rssi = info->rssi;
41a96212 3570 data.ssp_mode = 0x00;
3175405b 3571
af58925c
MH		 3572 flags = hci_inquiry_cache_update(hdev, &data, false);
3573
48264f06 3574 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3575 info->dev_class, info->rssi,
af58925c 3576 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3577 }
3578 } else {
3579 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3580
e17acd40 3581 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3582 u32 flags;
3583
a9de9248
MH		 3584 bacpy(&data.bdaddr, &info->bdaddr);
3585 data.pscan_rep_mode = info->pscan_rep_mode;
3586 data.pscan_period_mode = info->pscan_period_mode;
3587 data.pscan_mode = 0x00;
3588 memcpy(data.dev_class, info->dev_class, 3);
3589 data.clock_offset = info->clock_offset;
3590 data.rssi = info->rssi;
41a96212 3591 data.ssp_mode = 0x00;
af58925c
MH		 3592
3593 flags = hci_inquiry_cache_update(hdev, &data, false);
3594
48264f06 3595 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3596 info->dev_class, info->rssi,
af58925c 3597 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3598 }
3599 }
3600
3601 hci_dev_unlock(hdev);
3602}
3603
6039aa73
GP		 3604static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3605 struct sk_buff *skb)
a9de9248 3606{
41a96212
MH		 3607 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3608 struct hci_conn *conn;
3609
a9de9248 3610 BT_DBG("%s", hdev->name);
41a96212 3611
41a96212
MH		 3612 hci_dev_lock(hdev);
3613
3614 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3615 if (!conn)
3616 goto unlock;
41a96212 3617
cad718ed
JH		 3618 if (ev->page < HCI_MAX_PAGES)
3619 memcpy(conn->features[ev->page], ev->features, 8);
3620
ccd556fe
JH		 3621 if (!ev->status && ev->page == 0x01) {
3622 struct inquiry_entry *ie;
41a96212 3623
cc11b9c1
AE		 3624 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3625 if (ie)
02b7cc62 3626 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3627
bbb0eada 3628 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3629 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3630 } else {
3631 /* It is mandatory by the Bluetooth specification that
3632 * Extended Inquiry Results are only used when Secure
3633 * Simple Pairing is enabled, but some devices violate
3634 * this.
3635 *
3636 * To make these devices work, the internal SSP
3637 * enabled flag needs to be cleared if the remote host
3638 * features do not indicate SSP support */
3639 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3640 }
eb9a8f3f
MH		 3641
3642 if (ev->features[0] & LMP_HOST_SC)
3643 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3644 }
3645
3646 if (conn->state != BT_CONFIG)
3647 goto unlock;
3648
671267bf 3649 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3650 struct hci_cp_remote_name_req cp;
3651 memset(&cp, 0, sizeof(cp));
3652 bacpy(&cp.bdaddr, &conn->dst);
3653 cp.pscan_rep_mode = 0x02;
3654 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3655 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3656 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3657
127178d2 3658 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3659 conn->state = BT_CONNECTED;
3660 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3661 hci_conn_drop(conn);
41a96212
MH		 3662 }
3663
ccd556fe 3664unlock:
41a96212 3665 hci_dev_unlock(hdev);
a9de9248
MH		 3666}
3667
6039aa73
GP		 3668static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3669 struct sk_buff *skb)
a9de9248 3670{
b6a0dc82
MH		 3671 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3672 struct hci_conn *conn;
3673
9f1db00c 3674 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3675
3676 hci_dev_lock(hdev);
3677
3678 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3679 if (!conn) {
3680 if (ev->link_type == ESCO_LINK)
3681 goto unlock;
3682
3683 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3684 if (!conn)
3685 goto unlock;
3686
3687 conn->type = SCO_LINK;
3688 }
b6a0dc82 3689
732547f9
MH		 3690 switch (ev->status) {
3691 case 0x00:
b6a0dc82
MH		 3692 conn->handle = __le16_to_cpu(ev->handle);
3693 conn->state = BT_CONNECTED;
7d0db0a3 3694
23b9ceb7 3695 hci_debugfs_create_conn(conn);
7d0db0a3 3696 hci_conn_add_sysfs(conn);
732547f9
MH		 3697 break;
3698
81218d20 3699 case 0x10: /* Connection Accept Timeout */
1a4c958c 3700 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3701 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3702 case 0x1c: /* SCO interval rejected */
1038a00b 3703 case 0x1a: /* Unsupported Remote Feature */
732547f9 3704 case 0x1f: /* Unspecified error */
27539bc4 3705 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3706 if (conn->out) {
732547f9
MH		 3707 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3708 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3709 if (hci_setup_sync(conn, conn->link->handle))
3710 goto unlock;
732547f9
MH		 3711 }
3712 /* fall through */
3713
3714 default:
b6a0dc82 3715 conn->state = BT_CLOSED;
732547f9
MH		 3716 break;
3717 }
b6a0dc82
MH		 3718
3719 hci_proto_connect_cfm(conn, ev->status);
3720 if (ev->status)
3721 hci_conn_del(conn);
3722
3723unlock:
3724 hci_dev_unlock(hdev);
a9de9248
MH		 3725}
3726
efdcf8e3
MH		 3727static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3728{
3729 size_t parsed = 0;
3730
3731 while (parsed < eir_len) {
3732 u8 field_len = eir[0];
3733
3734 if (field_len == 0)
3735 return parsed;
3736
3737 parsed += field_len + 1;
3738 eir += field_len + 1;
3739 }
3740
3741 return eir_len;
3742}
3743
6039aa73
GP		 3744static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3745 struct sk_buff *skb)
1da177e4 3746{
a9de9248
MH		 3747 struct inquiry_data data;
3748 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3749 int num_rsp = *((__u8 *) skb->data);
9d939d94 3750 size_t eir_len;
1da177e4 3751
a9de9248 3752 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3753
a9de9248
MH		 3754 if (!num_rsp)
3755 return;
1da177e4 3756
1519cc17
AG		 3757 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3758 return;
3759
a9de9248
MH		 3760 hci_dev_lock(hdev);
3761
e17acd40 3762 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3763 u32 flags;
3764 bool name_known;
561aafbc 3765
a9de9248 3766 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3767 data.pscan_rep_mode = info->pscan_rep_mode;
3768 data.pscan_period_mode = info->pscan_period_mode;
3769 data.pscan_mode = 0x00;
a9de9248 3770 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3771 data.clock_offset = info->clock_offset;
3772 data.rssi = info->rssi;
41a96212 3773 data.ssp_mode = 0x01;
561aafbc 3774
a8b2d5c2 3775 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3776 name_known = eir_has_data_type(info->data,
04124681
GP		 3777 sizeof(info->data),
3778 EIR_NAME_COMPLETE);
561aafbc
JH		 3779 else
3780 name_known = true;
3781
af58925c
MH		 3782 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3783
9d939d94 3784 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3785
48264f06 3786 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3787 info->dev_class, info->rssi,
3788 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3789 }
3790
3791 hci_dev_unlock(hdev);
3792}
1da177e4 3793
1c2e0041
JH		 3794static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3795 struct sk_buff *skb)
3796{
3797 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3798 struct hci_conn *conn;
3799
9f1db00c 3800 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3801 __le16_to_cpu(ev->handle));
3802
3803 hci_dev_lock(hdev);
3804
3805 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3806 if (!conn)
3807 goto unlock;
3808
9eb1fbfa
JH		 3809 /* For BR/EDR the necessary steps are taken through the
3810 * auth_complete event.
3811 */
3812 if (conn->type != LE_LINK)
3813 goto unlock;
3814
1c2e0041
JH		 3815 if (!ev->status)
3816 conn->sec_level = conn->pending_sec_level;
3817
3818 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3819
3820 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3821 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3822 hci_conn_drop(conn);
1c2e0041
JH		 3823 goto unlock;
3824 }
3825
3826 if (conn->state == BT_CONFIG) {
3827 if (!ev->status)
3828 conn->state = BT_CONNECTED;
3829
3830 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3831 hci_conn_drop(conn);
1c2e0041
JH		 3832 } else {
3833 hci_auth_cfm(conn, ev->status);
3834
3835 hci_conn_hold(conn);
3836 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3837 hci_conn_drop(conn);
1c2e0041
JH		 3838 }
3839
3840unlock:
3841 hci_dev_unlock(hdev);
3842}
3843
6039aa73 3844static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3845{
17fa4b9d 3846 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3847 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3848 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3849 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3850
b7f94c88
MA		 3851 /* If both remote and local have enough IO capabilities, require
3852 * MITM protection
3853 */
3854 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3855 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3856 return conn->remote_auth | 0x01;
3857
7e74170a
TM		 3858 /* No MITM protection possible so ignore remote requirement */
3859 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3860}
3861
a83ed81e
MH		 3862static u8 bredr_oob_data_present(struct hci_conn *conn)
3863{
3864 struct hci_dev *hdev = conn->hdev;
3865 struct oob_data *data;
3866
3867 data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR);
3868 if (!data)
3869 return 0x00;
3870
aa5b0345
MH		 3871 /* When Secure Connections Only mode is enabled, then the P-256
3872 * values are required. If they are not available, then do not
3873 * declare that OOB data is present.
3874 */
3875 if (bredr_sc_enabled(hdev) &&
3876 test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
3877 (!memcmp(data->rand256, ZERO_KEY, 16) ||
3878 !memcmp(data->hash256, ZERO_KEY, 16)))
3879 return 0x00;
3880
a83ed81e
MH		 3881 if (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags))
3882 return 0x01;
3883
3884 return 0x00;
3885}
3886
6039aa73 3887static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3888{
3889 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3890 struct hci_conn *conn;
3891
3892 BT_DBG("%s", hdev->name);
3893
3894 hci_dev_lock(hdev);
3895
3896 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3897 if (!conn)
3898 goto unlock;
3899
3900 hci_conn_hold(conn);
3901
a8b2d5c2 3902 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3903 goto unlock;
3904
2f407f0a
JH		 3905 /* Allow pairing if we're pairable, the initiators of the
3906 * pairing or if the remote is not requesting bonding.
3907 */
b6ae8457 3908 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3909 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3910 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3911 struct hci_cp_io_capability_reply cp;
3912
3913 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3914 /* Change the IO capability from KeyboardDisplay
3915 * to DisplayYesNo as it is not supported by BT spec. */
3916 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3917 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3918
3919 /* If we are initiators, there is no remote information yet */
3920 if (conn->remote_auth == 0xff) {
b16c6604 3921 /* Request MITM protection if our IO caps allow it
4ad51a75 3922 * except for the no-bonding case.
b16c6604 3923 */
6fd6b915 3924 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3925 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3926 conn->auth_type |= 0x01;
b7f94c88
MA		 3927 } else {
3928 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3929 }
17fa4b9d 3930
82c295b1
JH		 3931 /* If we're not bondable, force one of the non-bondable
3932 * authentication requirement values.
3933 */
3934 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3935 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3936
3937 cp.authentication = conn->auth_type;
a83ed81e 3938 cp.oob_data = bredr_oob_data_present(conn);
ce85ee13 3939
17fa4b9d 3940 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3941 sizeof(cp), &cp);
03b555e1
JH		 3942 } else {
3943 struct hci_cp_io_capability_neg_reply cp;
3944
3945 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3946 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3947
03b555e1 3948 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3949 sizeof(cp), &cp);
03b555e1
JH		 3950 }
3951
3952unlock:
3953 hci_dev_unlock(hdev);
3954}
3955
6039aa73 3956static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3957{
3958 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3959 struct hci_conn *conn;
3960
3961 BT_DBG("%s", hdev->name);
3962
3963 hci_dev_lock(hdev);
3964
3965 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3966 if (!conn)
3967 goto unlock;
3968
03b555e1 3969 conn->remote_cap = ev->capability;
03b555e1 3970 conn->remote_auth = ev->authentication;
58a681ef
JH		 3971 if (ev->oob_data)
3972 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3973
3974unlock:
0493684e
MH		 3975 hci_dev_unlock(hdev);
3976}
3977
6039aa73
GP		 3978static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3979 struct sk_buff *skb)
a5c29683
JH		 3980{
3981 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3982 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3983 struct hci_conn *conn;
a5c29683
JH		 3984
3985 BT_DBG("%s", hdev->name);
3986
3987 hci_dev_lock(hdev);
3988
a8b2d5c2 3989 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3990 goto unlock;
a5c29683 3991
7a828908
JH		 3992 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3993 if (!conn)
3994 goto unlock;
3995
3996 loc_mitm = (conn->auth_type & 0x01);
3997 rem_mitm = (conn->remote_auth & 0x01);
3998
3999 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 4000 * (it has NoInputNoOutput) then reject the confirmation
4001 * request. We check the security level here since it doesn't
4002 * necessarily match conn->auth_type.
6fd6b915 4003 */
6c53823a
JH		 4004 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
4005 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 4006 BT_DBG("Rejecting request: remote device can't provide MITM");
4007 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 4008 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4009 goto unlock;
4010 }
4011
4012 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 4013 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
4014 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 4015
4016 /* If we're not the initiators request authorization to
4017 * proceed from user space (mgmt_user_confirm with
ba15a58b 4018 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 4019 * side had MITM or if the local IO capability is
4020 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 4021 */
4022 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 4023 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 4024 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 4025 BT_DBG("Confirming auto-accept as acceptor");
4026 confirm_hint = 1;
4027 goto confirm;
4028 }
4029
9f61656a 4030 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 4031 hdev->auto_accept_delay);
9f61656a
JH		 4032
4033 if (hdev->auto_accept_delay > 0) {
4034 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 4035 queue_delayed_work(conn->hdev->workqueue,
4036 &conn->auto_accept_work, delay);
9f61656a
JH		 4037 goto unlock;
4038 }
4039
7a828908 4040 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 4041 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4042 goto unlock;
4043 }
4044
55bc1a37 4045confirm:
39adbffe
JH		 4046 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
4047 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 4048
4049unlock:
a5c29683
JH		 4050 hci_dev_unlock(hdev);
4051}
4052
6039aa73
GP		 4053static void hci_user_passkey_request_evt(struct hci_dev *hdev,
4054 struct sk_buff *skb)
1143d458
BG		 4055{
4056 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
4057
4058 BT_DBG("%s", hdev->name);
4059
a8b2d5c2 4060 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 4061 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 4062}
4063
92a25256
JH		 4064static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
4065 struct sk_buff *skb)
4066{
4067 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
4068 struct hci_conn *conn;
4069
4070 BT_DBG("%s", hdev->name);
4071
4072 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4073 if (!conn)
4074 return;
4075
4076 conn->passkey_notify = __le32_to_cpu(ev->passkey);
4077 conn->passkey_entered = 0;
4078
4079 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4080 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4081 conn->dst_type, conn->passkey_notify,
4082 conn->passkey_entered);
4083}
4084
4085static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
4086{
4087 struct hci_ev_keypress_notify *ev = (void *) skb->data;
4088 struct hci_conn *conn;
4089
4090 BT_DBG("%s", hdev->name);
4091
4092 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4093 if (!conn)
4094 return;
4095
4096 switch (ev->type) {
4097 case HCI_KEYPRESS_STARTED:
4098 conn->passkey_entered = 0;
4099 return;
4100
4101 case HCI_KEYPRESS_ENTERED:
4102 conn->passkey_entered++;
4103 break;
4104
4105 case HCI_KEYPRESS_ERASED:
4106 conn->passkey_entered--;
4107 break;
4108
4109 case HCI_KEYPRESS_CLEARED:
4110 conn->passkey_entered = 0;
4111 break;
4112
4113 case HCI_KEYPRESS_COMPLETED:
4114 return;
4115 }
4116
4117 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4118 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4119 conn->dst_type, conn->passkey_notify,
4120 conn->passkey_entered);
4121}
4122
6039aa73
GP		 4123static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
4124 struct sk_buff *skb)
0493684e
MH		 4125{
4126 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
4127 struct hci_conn *conn;
4128
4129 BT_DBG("%s", hdev->name);
4130
4131 hci_dev_lock(hdev);
4132
4133 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 4134 if (!conn)
4135 goto unlock;
4136
c1d4fa7a
JH		 4137 /* Reset the authentication requirement to unknown */
4138 conn->remote_auth = 0xff;
4139
2a611692
JH		 4140 /* To avoid duplicate auth_failed events to user space we check
4141 * the HCI_CONN_AUTH_PEND flag which will be set if we
4142 * initiated the authentication. A traditional auth_complete
4143 * event gets always produced as initiator and is also mapped to
4144 * the mgmt_auth_failed event */
fa1bd918 4145 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 4146 mgmt_auth_failed(conn, ev->status);
0493684e 4147
76a68ba0 4148 hci_conn_drop(conn);
2a611692
JH		 4149
4150unlock:
0493684e
MH		 4151 hci_dev_unlock(hdev);
4152}
4153
6039aa73
GP		 4154static void hci_remote_host_features_evt(struct hci_dev *hdev,
4155 struct sk_buff *skb)
41a96212
MH		 4156{
4157 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4158 struct inquiry_entry *ie;
cad718ed 4159 struct hci_conn *conn;
41a96212
MH		 4160
4161 BT_DBG("%s", hdev->name);
4162
4163 hci_dev_lock(hdev);
4164
cad718ed
JH		 4165 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4166 if (conn)
4167 memcpy(conn->features[1], ev->features, 8);
4168
cc11b9c1
AE		 4169 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4170 if (ie)
02b7cc62 4171 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 4172
4173 hci_dev_unlock(hdev);
4174}
4175
6039aa73
GP		 4176static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4177 struct sk_buff *skb)
2763eda6
SJ		 4178{
4179 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4180 struct oob_data *data;
4181
4182 BT_DBG("%s", hdev->name);
4183
4184 hci_dev_lock(hdev);
4185
a8b2d5c2 4186 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 4187 goto unlock;
4188
6928a924 4189 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
6665d057
MH		 4190 if (!data) {
4191 struct hci_cp_remote_oob_data_neg_reply cp;
519ca9d0 4192
6665d057
MH		 4193 bacpy(&cp.bdaddr, &ev->bdaddr);
4194 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4195 sizeof(cp), &cp);
4196 goto unlock;
4197 }
2763eda6 4198
6665d057
MH		 4199 if (bredr_sc_enabled(hdev)) {
4200 struct hci_cp_remote_oob_ext_data_reply cp;
519ca9d0 4201
6665d057
MH		 4202 bacpy(&cp.bdaddr, &ev->bdaddr);
4203 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
4204 memset(cp.hash192, 0, sizeof(cp.hash192));
4205 memset(cp.rand192, 0, sizeof(cp.rand192));
4206 } else {
4207 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4208 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
519ca9d0 4209 }
6665d057
MH		 4210 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4211 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4212
4213 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4214 sizeof(cp), &cp);
2763eda6 4215 } else {
6665d057 4216 struct hci_cp_remote_oob_data_reply cp;
2763eda6
SJ		 4217
4218 bacpy(&cp.bdaddr, &ev->bdaddr);
6665d057
MH		 4219 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4220 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4221
4222 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
519ca9d0 4223 sizeof(cp), &cp);
2763eda6
SJ		 4224 }
4225
e1ba1f15 4226unlock:
2763eda6
SJ		 4227 hci_dev_unlock(hdev);
4228}
4229
d5e91192
AE		 4230static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4231 struct sk_buff *skb)
4232{
4233 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4234 struct hci_conn *hcon, *bredr_hcon;
4235
4236 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4237 ev->status);
4238
4239 hci_dev_lock(hdev);
4240
4241 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4242 if (!hcon) {
4243 hci_dev_unlock(hdev);
4244 return;
4245 }
4246
4247 if (ev->status) {
4248 hci_conn_del(hcon);
4249 hci_dev_unlock(hdev);
4250 return;
4251 }
4252
4253 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4254
4255 hcon->state = BT_CONNECTED;
4256 bacpy(&hcon->dst, &bredr_hcon->dst);
4257
4258 hci_conn_hold(hcon);
4259 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4260 hci_conn_drop(hcon);
d5e91192 4261
23b9ceb7 4262 hci_debugfs_create_conn(hcon);
d5e91192
AE		 4263 hci_conn_add_sysfs(hcon);
4264
cf70ff22 4265 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4266
cf70ff22 4267 hci_dev_unlock(hdev);
d5e91192
AE		 4268}
4269
27695fb4
AE		 4270static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4271{
4272 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4273 struct hci_conn *hcon;
4274 struct hci_chan *hchan;
4275 struct amp_mgr *mgr;
4276
4277 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4278 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4279 ev->status);
4280
4281 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4282 if (!hcon)
4283 return;
4284
4285 /* Create AMP hchan */
4286 hchan = hci_chan_create(hcon);
4287 if (!hchan)
4288 return;
4289
4290 hchan->handle = le16_to_cpu(ev->handle);
4291
4292 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4293
4294 mgr = hcon->amp_mgr;
4295 if (mgr && mgr->bredr_chan) {
4296 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4297
4298 l2cap_chan_lock(bredr_chan);
4299
4300 bredr_chan->conn->mtu = hdev->block_mtu;
4301 l2cap_logical_cfm(bredr_chan, hchan, 0);
4302 hci_conn_hold(hcon);
4303
4304 l2cap_chan_unlock(bredr_chan);
4305 }
4306}
4307
606e2a10
AE		 4308static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4309 struct sk_buff *skb)
4310{
4311 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4312 struct hci_chan *hchan;
4313
4314 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4315 le16_to_cpu(ev->handle), ev->status);
4316
4317 if (ev->status)
4318 return;
4319
4320 hci_dev_lock(hdev);
4321
4322 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4323 if (!hchan)
4324 goto unlock;
4325
4326 amp_destroy_logical_link(hchan, ev->reason);
4327
4328unlock:
4329 hci_dev_unlock(hdev);
4330}
4331
9eef6b3a
AE		 4332static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4333 struct sk_buff *skb)
4334{
4335 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4336 struct hci_conn *hcon;
4337
4338 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4339
4340 if (ev->status)
4341 return;
4342
4343 hci_dev_lock(hdev);
4344
4345 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4346 if (hcon) {
4347 hcon->state = BT_CLOSED;
4348 hci_conn_del(hcon);
4349 }
4350
4351 hci_dev_unlock(hdev);
4352}
4353
6039aa73 4354static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4355{
4356 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4357 struct hci_conn_params *params;
fcd89c09 4358 struct hci_conn *conn;
68d6f6de 4359 struct smp_irk *irk;
837d502e 4360 u8 addr_type;
fcd89c09 4361
9f1db00c 4362 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4363
4364 hci_dev_lock(hdev);
4365
fbd96c15
JH		 4366 /* All controllers implicitly stop advertising in the event of a
4367 * connection, so ensure that the state bit is cleared.
4368 */
4369 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4370
b47a09b3 4371 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4372 if (!conn) {
a5c4e309 4373 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4374 if (!conn) {
4375 BT_ERR("No memory for new connection");
230fd16a 4376 goto unlock;
b62f328b 4377 }
29b7988a
AG		 4378
4379 conn->dst_type = ev->bdaddr_type;
b9b343d2 4380
cb1d68f7
JH		 4381 /* If we didn't have a hci_conn object previously
4382 * but we're in master role this must be something
4383 * initiated using a white list. Since white list based
4384 * connections are not "first class citizens" we don't
4385 * have full tracking of them. Therefore, we go ahead
4386 * with a "best effort" approach of determining the
4387 * initiator address based on the HCI_PRIVACY flag.
4388 */
4389 if (conn->out) {
4390 conn->resp_addr_type = ev->bdaddr_type;
4391 bacpy(&conn->resp_addr, &ev->bdaddr);
4392 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4393 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4394 bacpy(&conn->init_addr, &hdev->rpa);
4395 } else {
4396 hci_copy_identity_address(hdev,
4397 &conn->init_addr,
4398 &conn->init_addr_type);
4399 }
cb1d68f7 4400 }
9489eca4
JH		 4401 } else {
4402 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4403 }
fcd89c09 4404
80c24ab8
JH		 4405 if (!conn->out) {
4406 /* Set the responder (our side) address type based on
4407 * the advertising address type.
4408 */
4409 conn->resp_addr_type = hdev->adv_addr_type;
4410 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4411 bacpy(&conn->resp_addr, &hdev->random_addr);
4412 else
4413 bacpy(&conn->resp_addr, &hdev->bdaddr);
4414
4415 conn->init_addr_type = ev->bdaddr_type;
4416 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4417
4418 /* For incoming connections, set the default minimum
4419 * and maximum connection interval. They will be used
4420 * to check if the parameters are in range and if not
4421 * trigger the connection update procedure.
4422 */
4423 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4424 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4425 }
7be2edbb 4426
edb4b466
MH		 4427 /* Lookup the identity address from the stored connection
4428 * address and address type.
4429 *
4430 * When establishing connections to an identity address, the
4431 * connection procedure will store the resolvable random
4432 * address first. Now if it can be converted back into the
4433 * identity address, start using the identity address from
4434 * now on.
4435 */
4436 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4437 if (irk) {
4438 bacpy(&conn->dst, &irk->bdaddr);
4439 conn->dst_type = irk->addr_type;
4440 }
4441
2d3c2260
JH		 4442 if (ev->status) {
4443 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4444 goto unlock;
4445 }
4446
08853f18
JH		 4447 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4448 addr_type = BDADDR_LE_PUBLIC;
4449 else
4450 addr_type = BDADDR_LE_RANDOM;
4451
2d3c2260
JH		 4452 /* Drop the connection if the device is blocked */
4453 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4454 hci_conn_drop(conn);
cd17decb
AG		 4455 goto unlock;
4456 }
4457
b644ba33 4458 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4459 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4460
7b5c0d52 4461 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4462 conn->handle = __le16_to_cpu(ev->handle);
4463 conn->state = BT_CONNECTED;
4464
e04fde60
MH		 4465 conn->le_conn_interval = le16_to_cpu(ev->interval);
4466 conn->le_conn_latency = le16_to_cpu(ev->latency);
4467 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4468
23b9ceb7 4469 hci_debugfs_create_conn(conn);
fcd89c09
VT		 4470 hci_conn_add_sysfs(conn);
4471
4472 hci_proto_connect_cfm(conn, ev->status);
4473
5477610f
JH		 4474 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4475 conn->dst_type);
f161dd41 4476 if (params) {
95305baa 4477 list_del_init(&params->action);
f161dd41
JH		 4478 if (params->conn) {
4479 hci_conn_drop(params->conn);
f8aaf9b6 4480 hci_conn_put(params->conn);
f161dd41
JH		 4481 params->conn = NULL;
4482 }
4483 }
a4790dbd 4484
fcd89c09 4485unlock:
223683a5 4486 hci_update_background_scan(hdev);
fcd89c09
VT		 4487 hci_dev_unlock(hdev);
4488}
4489
1855d92d
MH		 4490static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4491 struct sk_buff *skb)
4492{
4493 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4494 struct hci_conn *conn;
4495
4496 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4497
4498 if (ev->status)
4499 return;
4500
4501 hci_dev_lock(hdev);
4502
4503 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4504 if (conn) {
4505 conn->le_conn_interval = le16_to_cpu(ev->interval);
4506 conn->le_conn_latency = le16_to_cpu(ev->latency);
4507 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4508 }
4509
4510 hci_dev_unlock(hdev);
4511}
4512
a4790dbd 4513/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4514static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4515 bdaddr_t *addr,
4516 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4517{
4518 struct hci_conn *conn;
4b9e7e75 4519 struct hci_conn_params *params;
a4790dbd 4520
1c1abcab
JH		 4521 /* If the event is not connectable don't proceed further */
4522 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4523 return NULL;
1c1abcab
JH		 4524
4525 /* Ignore if the device is blocked */
dcc36c16 4526 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4527 return NULL;
1c1abcab 4528
f99353cf
JH		 4529 /* Most controller will fail if we try to create new connections
4530 * while we have an existing one in slave role.
4531 */
4532 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4533 return NULL;
f99353cf 4534
1c1abcab
JH		 4535 /* If we're not connectable only connect devices that we have in
4536 * our pend_le_conns list.
4537 */
4b9e7e75
MH		 4538 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4539 addr, addr_type);
4540 if (!params)
fd45ada9 4541 return NULL;
4b9e7e75
MH		 4542
4543 switch (params->auto_connect) {
4544 case HCI_AUTO_CONN_DIRECT:
4545 /* Only devices advertising with ADV_DIRECT_IND are
4546 * triggering a connection attempt. This is allowing
4547 * incoming connections from slave devices.
4548 */
4549 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4550 return NULL;
4b9e7e75
MH		 4551 break;
4552 case HCI_AUTO_CONN_ALWAYS:
4553 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4554 * are triggering a connection attempt. This means
4555 * that incoming connectioms from slave device are
4556 * accepted and also outgoing connections to slave
4557 * devices are established when found.
4558 */
4559 break;
4560 default:
fd45ada9 4561 return NULL;
4b9e7e75 4562 }
a4790dbd
AG		 4563
4564 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4565 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4566 if (!IS_ERR(conn)) {
4567 /* Store the pointer since we don't really have any
4568 * other owner of the object besides the params that
4569 * triggered it. This way we can abort the connection if
4570 * the parameters get removed and keep the reference
4571 * count consistent once the connection is established.
4572 */
f8aaf9b6 4573 params->conn = hci_conn_get(conn);
fd45ada9 4574 return conn;
f161dd41 4575 }
a4790dbd
AG		 4576
4577 switch (PTR_ERR(conn)) {
4578 case -EBUSY:
4579 /* If hci_connect() returns -EBUSY it means there is already
4580 * an LE connection attempt going on. Since controllers don't
4581 * support more than one connection attempt at the time, we
4582 * don't consider this an error case.
4583 */
4584 break;
4585 default:
4586 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4587 return NULL;
a4790dbd 4588 }
fd45ada9
AA		 4589
4590 return NULL;
a4790dbd
AG		 4591}
4592
4af605d8 4593static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
2f010b55
MH		 4594 u8 bdaddr_type, bdaddr_t *direct_addr,
4595 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4af605d8 4596{
b9a6328f 4597 struct discovery_state *d = &hdev->discovery;
1c1abcab 4598 struct smp_irk *irk;
fd45ada9 4599 struct hci_conn *conn;
474ee066 4600 bool match;
c70a7e4c 4601 u32 flags;
b9a6328f 4602
2f010b55
MH		 4603 /* If the direct address is present, then this report is from
4604 * a LE Direct Advertising Report event. In that case it is
4605 * important to see if the address is matching the local
4606 * controller address.
4607 */
4608 if (direct_addr) {
4609 /* Only resolvable random addresses are valid for these
4610 * kind of reports and others can be ignored.
4611 */
4612 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4613 return;
4614
4615 /* If the controller is not using resolvable random
4616 * addresses, then this report can be ignored.
4617 */
4618 if (!test_bit(HCI_PRIVACY, &hdev->dev_flags))
4619 return;
4620
4621 /* If the local IRK of the controller does not match
4622 * with the resolvable random address provided, then
4623 * this report can be ignored.
4624 */
4625 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4626 return;
4627 }
4628
1c1abcab
JH		 4629 /* Check if we need to convert to identity address */
4630 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4631 if (irk) {
4632 bdaddr = &irk->bdaddr;
4633 bdaddr_type = irk->addr_type;
4634 }
4635
4636 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4637 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4638 if (conn && type == LE_ADV_IND) {
4639 /* Store report for later inclusion by
4640 * mgmt_device_connected
4641 */
4642 memcpy(conn->le_adv_data, data, len);
4643 conn->le_adv_data_len = len;
4644 }
1c1abcab 4645
0d2bf134
JH		 4646 /* Passive scanning shouldn't trigger any device found events,
4647 * except for devices marked as CONN_REPORT for which we do send
4648 * device found events.
4649 */
ca5c4be7 4650 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4651 if (type == LE_ADV_DIRECT_IND)
4652 return;
4653
3a19b6fe
JH		 4654 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4655 bdaddr, bdaddr_type))
0d2bf134
JH		 4656 return;
4657
4658 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4659 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4660 else
4661 flags = 0;
4662 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4663 rssi, flags, data, len, NULL, 0);
97bf2e99 4664 return;
ca5c4be7 4665 }
4af605d8 4666
c70a7e4c
MH		 4667 /* When receiving non-connectable or scannable undirected
4668 * advertising reports, this means that the remote device is
4669 * not connectable and then clearly indicate this in the
4670 * device found event.
4671 *
4672 * When receiving a scan response, then there is no way to
4673 * know if the remote device is connectable or not. However
4674 * since scan responses are merged with a previously seen
4675 * advertising report, the flags field from that report
4676 * will be used.
4677 *
4678 * In the really unlikely case that a controller get confused
4679 * and just sends a scan response event, then it is marked as
4680 * not connectable as well.
4681 */
4682 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4683 type == LE_ADV_SCAN_RSP)
4684 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4685 else
4686 flags = 0;
4687
b9a6328f
JH		 4688 /* If there's nothing pending either store the data from this
4689 * event or send an immediate device found event if the data
4690 * should not be stored for later.
4691 */
4692 if (!has_pending_adv_report(hdev)) {
4693 /* If the report will trigger a SCAN_REQ store it for
4694 * later merging.
4695 */
4696 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4697 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4698 rssi, flags, data, len);
b9a6328f
JH		 4699 return;
4700 }
4701
4702 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4703 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4704 return;
4705 }
4706
474ee066
JH		 4707 /* Check if the pending report is for the same device as the new one */
4708 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4709 bdaddr_type == d->last_adv_addr_type);
4710
b9a6328f
JH		 4711 /* If the pending data doesn't match this report or this isn't a
4712 * scan response (e.g. we got a duplicate ADV_IND) then force
4713 * sending of the pending data.
4714 */
474ee066
JH		 4715 if (type != LE_ADV_SCAN_RSP || !match) {
4716 /* Send out whatever is in the cache, but skip duplicates */
4717 if (!match)
4718 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4719 d->last_adv_addr_type, NULL,
c70a7e4c 4720 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4721 d->last_adv_data,
474ee066 4722 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4723
4724 /* If the new report will trigger a SCAN_REQ store it for
4725 * later merging.
4726 */
4727 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4728 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4729 rssi, flags, data, len);
b9a6328f
JH		 4730 return;
4731 }
4732
4733 /* The advertising reports cannot be merged, so clear
4734 * the pending report and send out a device found event.
4735 */
4736 clear_pending_adv_report(hdev);
5c5b93e4 4737 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4738 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4739 return;
4740 }
4741
4742 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4743 * the new event is a SCAN_RSP. We can therefore proceed with
4744 * sending a merged device found event.
4745 */
4746 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4747 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4748 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4749 clear_pending_adv_report(hdev);
4af605d8
JH		 4750}
4751
6039aa73 4752static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4753{
e95beb41
AG		 4754 u8 num_reports = skb->data[0];
4755 void *ptr = &skb->data[1];
9aa04c91 4756
a4790dbd
AG		 4757 hci_dev_lock(hdev);
4758
e95beb41
AG		 4759 while (num_reports--) {
4760 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4761 s8 rssi;
a4790dbd 4762
3c9e9195 4763 rssi = ev->data[ev->length];
4af605d8 4764 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
2f010b55
MH		 4765 ev->bdaddr_type, NULL, 0, rssi,
4766 ev->data, ev->length);
3c9e9195 4767
e95beb41 4768 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4769 }
a4790dbd
AG		 4770
4771 hci_dev_unlock(hdev);
9aa04c91
AG		 4772}
4773
6039aa73 4774static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4775{
4776 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4777 struct hci_cp_le_ltk_reply cp;
bea710fe 4778 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4779 struct hci_conn *conn;
c9839a11 4780 struct smp_ltk *ltk;
a7a595f6 4781
9f1db00c 4782 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4783
4784 hci_dev_lock(hdev);
4785
4786 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4787 if (conn == NULL)
4788 goto not_found;
a7a595f6 4789
f3a73d97 4790 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
5378bc56 4791 if (!ltk)
bea710fe
VCG		 4792 goto not_found;
4793
5378bc56
JH		 4794 if (smp_ltk_is_sc(ltk)) {
4795 /* With SC both EDiv and Rand are set to zero */
4796 if (ev->ediv || ev->rand)
4797 goto not_found;
4798 } else {
4799 /* For non-SC keys check that EDiv and Rand match */
4800 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4801 goto not_found;
4802 }
4803
bea710fe 4804 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4805 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4806
a6f7833c 4807 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4808
89cbb4da 4809 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4810
4811 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4812
5981a882
CT		 4813 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4814 * temporary key used to encrypt a connection following
4815 * pairing. It is used during the Encrypted Session Setup to
4816 * distribute the keys. Later, security can be re-established
4817 * using a distributed LTK.
4818 */
2ceba539 4819 if (ltk->type == SMP_STK) {
fe59a05f 4820 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
970d0f1b
JH		 4821 list_del_rcu(&ltk->list);
4822 kfree_rcu(ltk, rcu);
fe59a05f
JH		 4823 } else {
4824 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4825 }
4826
a7a595f6 4827 hci_dev_unlock(hdev);
bea710fe
VCG		 4828
4829 return;
4830
4831not_found:
4832 neg.handle = ev->handle;
4833 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4834 hci_dev_unlock(hdev);
a7a595f6
VCG		 4835}
4836
8e75b46a
AG		 4837static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4838 u8 reason)
4839{
4840 struct hci_cp_le_conn_param_req_neg_reply cp;
4841
4842 cp.handle = cpu_to_le16(handle);
4843 cp.reason = reason;
4844
4845 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4846 &cp);
4847}
4848
4849static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4850 struct sk_buff *skb)
4851{
4852 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4853 struct hci_cp_le_conn_param_req_reply cp;
4854 struct hci_conn *hcon;
4855 u16 handle, min, max, latency, timeout;
4856
4857 handle = le16_to_cpu(ev->handle);
4858 min = le16_to_cpu(ev->interval_min);
4859 max = le16_to_cpu(ev->interval_max);
4860 latency = le16_to_cpu(ev->latency);
4861 timeout = le16_to_cpu(ev->timeout);
4862
4863 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4864 if (!hcon || hcon->state != BT_CONNECTED)
4865 return send_conn_param_neg_reply(hdev, handle,
4866 HCI_ERROR_UNKNOWN_CONN_ID);
4867
4868 if (hci_check_conn_params(min, max, latency, timeout))
4869 return send_conn_param_neg_reply(hdev, handle,
4870 HCI_ERROR_INVALID_LL_PARAMS);
4871
40bef302 4872 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4873 struct hci_conn_params *params;
f4869e2a 4874 u8 store_hint;
348d50b8
JH		 4875
4876 hci_dev_lock(hdev);
4877
4878 params = hci_conn_params_lookup(hdev, &hcon->dst,
4879 hcon->dst_type);
4880 if (params) {
4881 params->conn_min_interval = min;
4882 params->conn_max_interval = max;
4883 params->conn_latency = latency;
4884 params->supervision_timeout = timeout;
f4869e2a
JH		 4885 store_hint = 0x01;
4886 } else{
4887 store_hint = 0x00;
348d50b8
JH		 4888 }
4889
4890 hci_dev_unlock(hdev);
4891
f4869e2a
JH		 4892 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4893 store_hint, min, max, latency, timeout);
348d50b8 4894 }
ffb5a827 4895
8e75b46a
AG		 4896 cp.handle = ev->handle;
4897 cp.interval_min = ev->interval_min;
4898 cp.interval_max = ev->interval_max;
4899 cp.latency = ev->latency;
4900 cp.timeout = ev->timeout;
4901 cp.min_ce_len = 0;
4902 cp.max_ce_len = 0;
4903
4904 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4905}
4906
2f010b55
MH		 4907static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4908 struct sk_buff *skb)
4909{
4910 u8 num_reports = skb->data[0];
4911 void *ptr = &skb->data[1];
4912
4913 hci_dev_lock(hdev);
4914
4915 while (num_reports--) {
4916 struct hci_ev_le_direct_adv_info *ev = ptr;
4917
4918 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4919 ev->bdaddr_type, &ev->direct_addr,
4920 ev->direct_addr_type, ev->rssi, NULL, 0);
4921
4922 ptr += sizeof(*ev);
4923 }
4924
4925 hci_dev_unlock(hdev);
4926}
4927
6039aa73 4928static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4929{
4930 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4931
4932 skb_pull(skb, sizeof(*le_ev));
4933
4934 switch (le_ev->subevent) {
4935 case HCI_EV_LE_CONN_COMPLETE:
4936 hci_le_conn_complete_evt(hdev, skb);
4937 break;
4938
1855d92d
MH		 4939 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4940 hci_le_conn_update_complete_evt(hdev, skb);
4941 break;
4942
9aa04c91
AG		 4943 case HCI_EV_LE_ADVERTISING_REPORT:
4944 hci_le_adv_report_evt(hdev, skb);
4945 break;
4946
a7a595f6
VCG		 4947 case HCI_EV_LE_LTK_REQ:
4948 hci_le_ltk_request_evt(hdev, skb);
4949 break;
4950
8e75b46a
AG		 4951 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4952 hci_le_remote_conn_param_req_evt(hdev, skb);
4953 break;
4954
2f010b55
MH		 4955 case HCI_EV_LE_DIRECT_ADV_REPORT:
4956 hci_le_direct_adv_report_evt(hdev, skb);
4957 break;
4958
fcd89c09
VT		 4959 default:
4960 break;
4961 }
4962}
4963
9495b2ee
AE		 4964static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4965{
4966 struct hci_ev_channel_selected *ev = (void *) skb->data;
4967 struct hci_conn *hcon;
4968
4969 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4970
4971 skb_pull(skb, sizeof(*ev));
4972
4973 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4974 if (!hcon)
4975 return;
4976
4977 amp_read_loc_assoc_final_data(hdev, hcon);
4978}
4979
a9de9248
MH		 4980void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4981{
4982 struct hci_event_hdr *hdr = (void *) skb->data;
4983 __u8 event = hdr->evt;
4984
b6ddb638
JH		 4985 hci_dev_lock(hdev);
4986
4987 /* Received events are (currently) only needed when a request is
4988 * ongoing so avoid unnecessary memory allocation.
4989 */
899de765 4990 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4991 kfree_skb(hdev->recv_evt);
4992 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4993 }
4994
4995 hci_dev_unlock(hdev);
4996
a9de9248
MH		 4997 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4998
02350a72 4999 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 5000 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
5001 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 5002
5003 hci_req_cmd_complete(hdev, opcode, 0);
5004 }
5005
a9de9248 5006 switch (event) {
1da177e4
LT		 5007 case HCI_EV_INQUIRY_COMPLETE:
5008 hci_inquiry_complete_evt(hdev, skb);
5009 break;
5010
5011 case HCI_EV_INQUIRY_RESULT:
5012 hci_inquiry_result_evt(hdev, skb);
5013 break;
5014
a9de9248
MH		 5015 case HCI_EV_CONN_COMPLETE:
5016 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 5017 break;
5018
1da177e4
LT		 5019 case HCI_EV_CONN_REQUEST:
5020 hci_conn_request_evt(hdev, skb);
5021 break;
5022
1da177e4
LT		 5023 case HCI_EV_DISCONN_COMPLETE:
5024 hci_disconn_complete_evt(hdev, skb);
5025 break;
5026
1da177e4
LT		 5027 case HCI_EV_AUTH_COMPLETE:
5028 hci_auth_complete_evt(hdev, skb);
5029 break;
5030
a9de9248
MH		 5031 case HCI_EV_REMOTE_NAME:
5032 hci_remote_name_evt(hdev, skb);
5033 break;
5034
1da177e4
LT		 5035 case HCI_EV_ENCRYPT_CHANGE:
5036 hci_encrypt_change_evt(hdev, skb);
5037 break;
5038
a9de9248
MH		 5039 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
5040 hci_change_link_key_complete_evt(hdev, skb);
5041 break;
5042
5043 case HCI_EV_REMOTE_FEATURES:
5044 hci_remote_features_evt(hdev, skb);
5045 break;
5046
a9de9248
MH		 5047 case HCI_EV_CMD_COMPLETE:
5048 hci_cmd_complete_evt(hdev, skb);
5049 break;
5050
5051 case HCI_EV_CMD_STATUS:
5052 hci_cmd_status_evt(hdev, skb);
5053 break;
5054
24dfa343
MH		 5055 case HCI_EV_HARDWARE_ERROR:
5056 hci_hardware_error_evt(hdev, skb);
5057 break;
5058
a9de9248
MH		 5059 case HCI_EV_ROLE_CHANGE:
5060 hci_role_change_evt(hdev, skb);
5061 break;
5062
5063 case HCI_EV_NUM_COMP_PKTS:
5064 hci_num_comp_pkts_evt(hdev, skb);
5065 break;
5066
5067 case HCI_EV_MODE_CHANGE:
5068 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 5069 break;
5070
5071 case HCI_EV_PIN_CODE_REQ:
5072 hci_pin_code_request_evt(hdev, skb);
5073 break;
5074
5075 case HCI_EV_LINK_KEY_REQ:
5076 hci_link_key_request_evt(hdev, skb);
5077 break;
5078
5079 case HCI_EV_LINK_KEY_NOTIFY:
5080 hci_link_key_notify_evt(hdev, skb);
5081 break;
5082
5083 case HCI_EV_CLOCK_OFFSET:
5084 hci_clock_offset_evt(hdev, skb);
5085 break;
5086
a8746417
MH		 5087 case HCI_EV_PKT_TYPE_CHANGE:
5088 hci_pkt_type_change_evt(hdev, skb);
5089 break;
5090
85a1e930
MH		 5091 case HCI_EV_PSCAN_REP_MODE:
5092 hci_pscan_rep_mode_evt(hdev, skb);
5093 break;
5094
a9de9248
MH		 5095 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
5096 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 5097 break;
5098
a9de9248
MH		 5099 case HCI_EV_REMOTE_EXT_FEATURES:
5100 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 5101 break;
5102
a9de9248
MH		 5103 case HCI_EV_SYNC_CONN_COMPLETE:
5104 hci_sync_conn_complete_evt(hdev, skb);
5105 break;
1da177e4 5106
a9de9248
MH		 5107 case HCI_EV_EXTENDED_INQUIRY_RESULT:
5108 hci_extended_inquiry_result_evt(hdev, skb);
5109 break;
1da177e4 5110
1c2e0041
JH		 5111 case HCI_EV_KEY_REFRESH_COMPLETE:
5112 hci_key_refresh_complete_evt(hdev, skb);
5113 break;
5114
0493684e
MH		 5115 case HCI_EV_IO_CAPA_REQUEST:
5116 hci_io_capa_request_evt(hdev, skb);
5117 break;
5118
03b555e1
JH		 5119 case HCI_EV_IO_CAPA_REPLY:
5120 hci_io_capa_reply_evt(hdev, skb);
5121 break;
5122
a5c29683
JH		 5123 case HCI_EV_USER_CONFIRM_REQUEST:
5124 hci_user_confirm_request_evt(hdev, skb);
5125 break;
5126
1143d458
BG		 5127 case HCI_EV_USER_PASSKEY_REQUEST:
5128 hci_user_passkey_request_evt(hdev, skb);
5129 break;
5130
92a25256
JH		 5131 case HCI_EV_USER_PASSKEY_NOTIFY:
5132 hci_user_passkey_notify_evt(hdev, skb);
5133 break;
5134
5135 case HCI_EV_KEYPRESS_NOTIFY:
5136 hci_keypress_notify_evt(hdev, skb);
5137 break;
5138
0493684e
MH		 5139 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5140 hci_simple_pair_complete_evt(hdev, skb);
5141 break;
5142
41a96212
MH		 5143 case HCI_EV_REMOTE_HOST_FEATURES:
5144 hci_remote_host_features_evt(hdev, skb);
5145 break;
5146
fcd89c09
VT		 5147 case HCI_EV_LE_META:
5148 hci_le_meta_evt(hdev, skb);
5149 break;
5150
9495b2ee
AE		 5151 case HCI_EV_CHANNEL_SELECTED:
5152 hci_chan_selected_evt(hdev, skb);
5153 break;
5154
2763eda6
SJ		 5155 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5156 hci_remote_oob_data_request_evt(hdev, skb);
5157 break;
5158
d5e91192
AE		 5159 case HCI_EV_PHY_LINK_COMPLETE:
5160 hci_phy_link_complete_evt(hdev, skb);
5161 break;
5162
27695fb4
AE		 5163 case HCI_EV_LOGICAL_LINK_COMPLETE:
5164 hci_loglink_complete_evt(hdev, skb);
5165 break;
5166
606e2a10
AE		 5167 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5168 hci_disconn_loglink_complete_evt(hdev, skb);
5169 break;
5170
9eef6b3a
AE		 5171 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5172 hci_disconn_phylink_complete_evt(hdev, skb);
5173 break;
5174
25e89e99
AE		 5175 case HCI_EV_NUM_COMP_BLOCKS:
5176 hci_num_comp_blocks_evt(hdev, skb);
5177 break;
5178
a9de9248 5179 default:
9f1db00c 5180 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 5181 break;
5182 }
5183
5184 kfree_skb(skb);
5185 hdev->stat.evt_rx++;
5186}
Linux kernel - Deliverables
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