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Input: synaptics - dump ext10 capabilities as well
[mirror_ubuntu-artful-kernel.git] / net / bluetooth / hci_event.c
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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
c50b33c8
MH		 1492static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb)
1493{
1494 u8 status = *((u8 *) skb->data);
1495 u8 *mode;
1496
1497 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1498
1499 if (status)
1500 return;
1501
1502 mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE);
1503 if (mode)
1504 hdev->ssp_debug_mode = *mode;
1505}
1506
6039aa73 1507static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1508{
9f1db00c 1509 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1510
1511 if (status) {
a9de9248 1512 hci_conn_check_pending(hdev);
314b2381
JH		 1513 return;
1514 }
1515
89352e7d 1516 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1517}
1518
6039aa73 1519static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1520{
a9de9248 1521 struct hci_cp_create_conn *cp;
1da177e4 1522 struct hci_conn *conn;
1da177e4 1523
9f1db00c 1524 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1525
1526 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1527 if (!cp)
1528 return;
1529
1530 hci_dev_lock(hdev);
1531
1532 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1533
6ed93dc6 1534 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1535
1536 if (status) {
1537 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1538 if (status != 0x0c || conn->attempt > 2) {
1539 conn->state = BT_CLOSED;
1540 hci_proto_connect_cfm(conn, status);
1541 hci_conn_del(conn);
1542 } else
1543 conn->state = BT_CONNECT2;
1da177e4
LT		 1544 }
1545 } else {
1546 if (!conn) {
a5c4e309
JH		 1547 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1548 HCI_ROLE_MASTER);
1549 if (!conn)
893ef971 1550 BT_ERR("No memory for new connection");
1da177e4
LT		 1551 }
1552 }
1553
1554 hci_dev_unlock(hdev);
1555}
1556
a9de9248 1557static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1558{
a9de9248
MH		 1559 struct hci_cp_add_sco *cp;
1560 struct hci_conn *acl, *sco;
1561 __u16 handle;
1da177e4 1562
9f1db00c 1563 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1564
a9de9248
MH		 1565 if (!status)
1566 return;
1da177e4 1567
a9de9248
MH		 1568 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1569 if (!cp)
1570 return;
1da177e4 1571
a9de9248 1572 handle = __le16_to_cpu(cp->handle);
1da177e4 1573
9f1db00c 1574 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1575
a9de9248 1576 hci_dev_lock(hdev);
1da177e4 1577
a9de9248 1578 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1579 if (acl) {
1580 sco = acl->link;
1581 if (sco) {
1582 sco->state = BT_CLOSED;
1da177e4 1583
5a08ecce
AE		 1584 hci_proto_connect_cfm(sco, status);
1585 hci_conn_del(sco);
1586 }
a9de9248 1587 }
1da177e4 1588
a9de9248
MH		 1589 hci_dev_unlock(hdev);
1590}
1da177e4 1591
f8558555
MH		 1592static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1593{
1594 struct hci_cp_auth_requested *cp;
1595 struct hci_conn *conn;
1596
9f1db00c 1597 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1598
1599 if (!status)
1600 return;
1601
1602 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1603 if (!cp)
1604 return;
1605
1606 hci_dev_lock(hdev);
1607
1608 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1609 if (conn) {
1610 if (conn->state == BT_CONFIG) {
1611 hci_proto_connect_cfm(conn, status);
76a68ba0 1612 hci_conn_drop(conn);
f8558555
MH		 1613 }
1614 }
1615
1616 hci_dev_unlock(hdev);
1617}
1618
1619static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1620{
1621 struct hci_cp_set_conn_encrypt *cp;
1622 struct hci_conn *conn;
1623
9f1db00c 1624 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1625
1626 if (!status)
1627 return;
1628
1629 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1630 if (!cp)
1631 return;
1632
1633 hci_dev_lock(hdev);
1634
1635 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1636 if (conn) {
1637 if (conn->state == BT_CONFIG) {
1638 hci_proto_connect_cfm(conn, status);
76a68ba0 1639 hci_conn_drop(conn);
f8558555
MH		 1640 }
1641 }
1642
1643 hci_dev_unlock(hdev);
1644}
1645
127178d2 1646static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1647 struct hci_conn *conn)
392599b9 1648{
392599b9
JH		 1649 if (conn->state != BT_CONFIG || !conn->out)
1650 return 0;
1651
765c2a96 1652 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1653 return 0;
1654
1655 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1656 * devices with sec_level MEDIUM or HIGH or if MITM protection
1657 * is requested.
1658 */
807deac2 1659 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1660 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1661 conn->pending_sec_level != BT_SECURITY_HIGH &&
1662 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1663 return 0;
1664
392599b9
JH		 1665 return 1;
1666}
1667
6039aa73 1668static int hci_resolve_name(struct hci_dev *hdev,
04124681 1669 struct inquiry_entry *e)
30dc78e1
JH		 1670{
1671 struct hci_cp_remote_name_req cp;
1672
1673 memset(&cp, 0, sizeof(cp));
1674
1675 bacpy(&cp.bdaddr, &e->data.bdaddr);
1676 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1677 cp.pscan_mode = e->data.pscan_mode;
1678 cp.clock_offset = e->data.clock_offset;
1679
1680 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1681}
1682
b644ba33 1683static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1684{
1685 struct discovery_state *discov = &hdev->discovery;
1686 struct inquiry_entry *e;
1687
b644ba33
JH		 1688 if (list_empty(&discov->resolve))
1689 return false;
1690
1691 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1692 if (!e)
1693 return false;
1694
b644ba33
JH		 1695 if (hci_resolve_name(hdev, e) == 0) {
1696 e->name_state = NAME_PENDING;
1697 return true;
1698 }
1699
1700 return false;
1701}
1702
1703static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1704 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1705{
1706 struct discovery_state *discov = &hdev->discovery;
1707 struct inquiry_entry *e;
1708
60cb49d2
JH		 1709 /* Update the mgmt connected state if necessary. Be careful with
1710 * conn objects that exist but are not (yet) connected however.
1711 * Only those in BT_CONFIG or BT_CONNECTED states can be
1712 * considered connected.
1713 */
1714 if (conn &&
1715 (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) &&
cb77c3ec 1716 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 1717 mgmt_device_connected(hdev, conn, 0, name, name_len);
b644ba33
JH		 1718
1719 if (discov->state == DISCOVERY_STOPPED)
1720 return;
1721
30dc78e1
JH		 1722 if (discov->state == DISCOVERY_STOPPING)
1723 goto discov_complete;
1724
1725 if (discov->state != DISCOVERY_RESOLVING)
1726 return;
1727
1728 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1729 /* If the device was not found in a list of found devices names of which
1730 * are pending. there is no need to continue resolving a next name as it
1731 * will be done upon receiving another Remote Name Request Complete
1732 * Event */
1733 if (!e)
1734 return;
1735
1736 list_del(&e->list);
1737 if (name) {
30dc78e1 1738 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1739 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1740 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1741 } else {
1742 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1743 }
1744
b644ba33 1745 if (hci_resolve_next_name(hdev))
30dc78e1 1746 return;
30dc78e1
JH		 1747
1748discov_complete:
1749 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1750}
1751
a9de9248
MH		 1752static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1753{
127178d2
JH		 1754 struct hci_cp_remote_name_req *cp;
1755 struct hci_conn *conn;
1756
9f1db00c 1757 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1758
1759 /* If successful wait for the name req complete event before
1760 * checking for the need to do authentication */
1761 if (!status)
1762 return;
1763
1764 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1765 if (!cp)
1766 return;
1767
1768 hci_dev_lock(hdev);
1769
b644ba33
JH		 1770 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1771
a8b2d5c2 1772 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1773 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1774
79c6c70c
JH		 1775 if (!conn)
1776 goto unlock;
1777
1778 if (!hci_outgoing_auth_needed(hdev, conn))
1779 goto unlock;
1780
51a8efd7 1781 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1782 struct hci_cp_auth_requested auth_cp;
1783
977f8fce
JH		 1784 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1785
c1f23a2b
JB		 1786 auth_cp.handle = __cpu_to_le16(conn->handle);
1787 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1788 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1789 }
1790
79c6c70c 1791unlock:
127178d2 1792 hci_dev_unlock(hdev);
a9de9248 1793}
1da177e4 1794
769be974
MH		 1795static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1796{
1797 struct hci_cp_read_remote_features *cp;
1798 struct hci_conn *conn;
1799
9f1db00c 1800 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1801
1802 if (!status)
1803 return;
1804
1805 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1806 if (!cp)
1807 return;
1808
1809 hci_dev_lock(hdev);
1810
1811 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1812 if (conn) {
1813 if (conn->state == BT_CONFIG) {
769be974 1814 hci_proto_connect_cfm(conn, status);
76a68ba0 1815 hci_conn_drop(conn);
769be974
MH		 1816 }
1817 }
1818
1819 hci_dev_unlock(hdev);
1820}
1821
1822static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1823{
1824 struct hci_cp_read_remote_ext_features *cp;
1825 struct hci_conn *conn;
1826
9f1db00c 1827 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1828
1829 if (!status)
1830 return;
1831
1832 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1833 if (!cp)
1834 return;
1835
1836 hci_dev_lock(hdev);
1837
1838 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1839 if (conn) {
1840 if (conn->state == BT_CONFIG) {
769be974 1841 hci_proto_connect_cfm(conn, status);
76a68ba0 1842 hci_conn_drop(conn);
769be974
MH		 1843 }
1844 }
1845
1846 hci_dev_unlock(hdev);
1847}
1848
a9de9248
MH		 1849static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1850{
b6a0dc82
MH		 1851 struct hci_cp_setup_sync_conn *cp;
1852 struct hci_conn *acl, *sco;
1853 __u16 handle;
1854
9f1db00c 1855 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1856
1857 if (!status)
1858 return;
1859
1860 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1861 if (!cp)
1862 return;
1863
1864 handle = __le16_to_cpu(cp->handle);
1865
9f1db00c 1866 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1867
1868 hci_dev_lock(hdev);
1869
1870 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1871 if (acl) {
1872 sco = acl->link;
1873 if (sco) {
1874 sco->state = BT_CLOSED;
b6a0dc82 1875
5a08ecce
AE		 1876 hci_proto_connect_cfm(sco, status);
1877 hci_conn_del(sco);
1878 }
b6a0dc82
MH		 1879 }
1880
1881 hci_dev_unlock(hdev);
1da177e4
LT		 1882}
1883
a9de9248 1884static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1885{
a9de9248
MH		 1886 struct hci_cp_sniff_mode *cp;
1887 struct hci_conn *conn;
1da177e4 1888
9f1db00c 1889 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1890
a9de9248
MH		 1891 if (!status)
1892 return;
04837f64 1893
a9de9248
MH		 1894 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1895 if (!cp)
1896 return;
04837f64 1897
a9de9248 1898 hci_dev_lock(hdev);
04837f64 1899
a9de9248 1900 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1901 if (conn) {
51a8efd7 1902 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1903
51a8efd7 1904 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1905 hci_sco_setup(conn, status);
1906 }
1907
a9de9248
MH		 1908 hci_dev_unlock(hdev);
1909}
04837f64 1910
a9de9248
MH		 1911static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1912{
1913 struct hci_cp_exit_sniff_mode *cp;
1914 struct hci_conn *conn;
04837f64 1915
9f1db00c 1916 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1917
a9de9248
MH		 1918 if (!status)
1919 return;
04837f64 1920
a9de9248
MH		 1921 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1922 if (!cp)
1923 return;
04837f64 1924
a9de9248 1925 hci_dev_lock(hdev);
1da177e4 1926
a9de9248 1927 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1928 if (conn) {
51a8efd7 1929 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1930
51a8efd7 1931 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1932 hci_sco_setup(conn, status);
1933 }
1934
a9de9248 1935 hci_dev_unlock(hdev);
1da177e4
LT		 1936}
1937
88c3df13
JH		 1938static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1939{
1940 struct hci_cp_disconnect *cp;
1941 struct hci_conn *conn;
1942
1943 if (!status)
1944 return;
1945
1946 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1947 if (!cp)
1948 return;
1949
1950 hci_dev_lock(hdev);
1951
1952 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1953 if (conn)
1954 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1955 conn->dst_type, status);
88c3df13
JH		 1956
1957 hci_dev_unlock(hdev);
1958}
1959
a02226d6
AE		 1960static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1961{
93c284ee
AE		 1962 struct hci_cp_create_phy_link *cp;
1963
a02226d6 1964 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1965
93c284ee
AE		 1966 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1967 if (!cp)
1968 return;
1969
e58917b9
AE		 1970 hci_dev_lock(hdev);
1971
1972 if (status) {
1973 struct hci_conn *hcon;
1974
1975 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1976 if (hcon)
1977 hci_conn_del(hcon);
1978 } else {
1979 amp_write_remote_assoc(hdev, cp->phy_handle);
1980 }
1981
1982 hci_dev_unlock(hdev);
a02226d6
AE		 1983}
1984
0b26ab9d
AE		 1985static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1986{
1987 struct hci_cp_accept_phy_link *cp;
1988
1989 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1990
1991 if (status)
1992 return;
1993
1994 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1995 if (!cp)
1996 return;
1997
1998 amp_write_remote_assoc(hdev, cp->phy_handle);
1999}
2000
cb1d68f7
JH		 2001static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
2002{
2003 struct hci_cp_le_create_conn *cp;
2004 struct hci_conn *conn;
2005
2006 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2007
2008 /* All connection failure handling is taken care of by the
2009 * hci_le_conn_failed function which is triggered by the HCI
2010 * request completion callbacks used for connecting.
2011 */
2012 if (status)
2013 return;
2014
2015 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
2016 if (!cp)
2017 return;
2018
2019 hci_dev_lock(hdev);
2020
2021 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
2022 if (!conn)
2023 goto unlock;
2024
2025 /* Store the initiator and responder address information which
2026 * is needed for SMP. These values will not change during the
2027 * lifetime of the connection.
2028 */
2029 conn->init_addr_type = cp->own_address_type;
2030 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
2031 bacpy(&conn->init_addr, &hdev->random_addr);
2032 else
2033 bacpy(&conn->init_addr, &hdev->bdaddr);
2034
2035 conn->resp_addr_type = cp->peer_addr_type;
2036 bacpy(&conn->resp_addr, &cp->peer_addr);
2037
9489eca4
JH		 2038 /* We don't want the connection attempt to stick around
2039 * indefinitely since LE doesn't have a page timeout concept
2040 * like BR/EDR. Set a timer for any connection that doesn't use
2041 * the white list for connecting.
2042 */
2043 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
2044 queue_delayed_work(conn->hdev->workqueue,
2045 &conn->le_conn_timeout,
09ae260b 2046 conn->conn_timeout);
9489eca4 2047
cb1d68f7
JH		 2048unlock:
2049 hci_dev_unlock(hdev);
2050}
2051
81d0c8ad
JH		 2052static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
2053{
2054 struct hci_cp_le_start_enc *cp;
2055 struct hci_conn *conn;
2056
2057 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2058
2059 if (!status)
2060 return;
2061
2062 hci_dev_lock(hdev);
2063
2064 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
2065 if (!cp)
2066 goto unlock;
2067
2068 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
2069 if (!conn)
2070 goto unlock;
2071
2072 if (conn->state != BT_CONNECTED)
2073 goto unlock;
2074
2075 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2076 hci_conn_drop(conn);
2077
2078unlock:
2079 hci_dev_unlock(hdev);
2080}
2081
50fc85f1
KP		 2082static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
2083{
2084 struct hci_cp_switch_role *cp;
2085 struct hci_conn *conn;
2086
2087 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2088
2089 if (!status)
2090 return;
2091
2092 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
2093 if (!cp)
2094 return;
2095
2096 hci_dev_lock(hdev);
2097
2098 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
2099 if (conn)
2100 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2101
2102 hci_dev_unlock(hdev);
2103}
2104
6039aa73 2105static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 2106{
2107 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 2108 struct discovery_state *discov = &hdev->discovery;
2109 struct inquiry_entry *e;
1da177e4 2110
9f1db00c 2111 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 2112
a9de9248 2113 hci_conn_check_pending(hdev);
89352e7d
AG		 2114
2115 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
2116 return;
2117
4e857c58 2118 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 2119 wake_up_bit(&hdev->flags, HCI_INQUIRY);
2120
a8b2d5c2 2121 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 2122 return;
2123
56e5cb86 2124 hci_dev_lock(hdev);
30dc78e1 2125
343f935b 2126 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 2127 goto unlock;
2128
2129 if (list_empty(&discov->resolve)) {
2130 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2131 goto unlock;
2132 }
2133
2134 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2135 if (e && hci_resolve_name(hdev, e) == 0) {
2136 e->name_state = NAME_PENDING;
2137 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2138 } else {
2139 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2140 }
2141
2142unlock:
56e5cb86 2143 hci_dev_unlock(hdev);
1da177e4
LT		 2144}
2145
6039aa73 2146static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2147{
45bb4bf0 2148 struct inquiry_data data;
a9de9248 2149 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 2150 int num_rsp = *((__u8 *) skb->data);
2151
2152 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2153
45bb4bf0
MH		 2154 if (!num_rsp)
2155 return;
2156
1519cc17
AG		 2157 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2158 return;
2159
1da177e4 2160 hci_dev_lock(hdev);
45bb4bf0 2161
e17acd40 2162 for (; num_rsp; num_rsp--, info++) {
af58925c 2163 u32 flags;
3175405b 2164
1da177e4
LT		 2165 bacpy(&data.bdaddr, &info->bdaddr);
2166 data.pscan_rep_mode = info->pscan_rep_mode;
2167 data.pscan_period_mode = info->pscan_period_mode;
2168 data.pscan_mode = info->pscan_mode;
2169 memcpy(data.dev_class, info->dev_class, 3);
2170 data.clock_offset = info->clock_offset;
efb2513f 2171 data.rssi = HCI_RSSI_INVALID;
41a96212 2172 data.ssp_mode = 0x00;
3175405b 2173
af58925c
MH		 2174 flags = hci_inquiry_cache_update(hdev, &data, false);
2175
48264f06 2176 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
efb2513f
MH		 2177 info->dev_class, HCI_RSSI_INVALID,
2178 flags, NULL, 0, NULL, 0);
1da177e4 2179 }
45bb4bf0 2180
1da177e4
LT		 2181 hci_dev_unlock(hdev);
2182}
2183
6039aa73 2184static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2185{
a9de9248
MH		 2186 struct hci_ev_conn_complete *ev = (void *) skb->data;
2187 struct hci_conn *conn;
1da177e4
LT		 2188
2189 BT_DBG("%s", hdev->name);
2190
2191 hci_dev_lock(hdev);
2192
2193 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2194 if (!conn) {
2195 if (ev->link_type != SCO_LINK)
2196 goto unlock;
2197
2198 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2199 if (!conn)
2200 goto unlock;
2201
2202 conn->type = SCO_LINK;
2203 }
1da177e4
LT		 2204
2205 if (!ev->status) {
2206 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2207
2208 if (conn->type == ACL_LINK) {
2209 conn->state = BT_CONFIG;
2210 hci_conn_hold(conn);
a9ea3ed9
SJ		 2211
2212 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2213 !hci_find_link_key(hdev, &ev->bdaddr))
2214 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2215 else
2216 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2217 } else
2218 conn->state = BT_CONNECTED;
1da177e4 2219
23b9ceb7 2220 hci_debugfs_create_conn(conn);
7d0db0a3
MH		 2221 hci_conn_add_sysfs(conn);
2222
1da177e4 2223 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2224 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2225
2226 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2227 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2228
04837f64
MH		 2229 /* Get remote features */
2230 if (conn->type == ACL_LINK) {
2231 struct hci_cp_read_remote_features cp;
2232 cp.handle = ev->handle;
769be974 2233 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2234 sizeof(cp), &cp);
22f433dc 2235
1d2dc5b7 2236 hci_update_page_scan(hdev);
04837f64
MH		 2237 }
2238
1da177e4 2239 /* Set packet type for incoming connection */
d095c1eb 2240 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2241 struct hci_cp_change_conn_ptype cp;
2242 cp.handle = ev->handle;
a8746417 2243 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2244 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2245 &cp);
1da177e4 2246 }
17d5c04c 2247 } else {
1da177e4 2248 conn->state = BT_CLOSED;
17d5c04c 2249 if (conn->type == ACL_LINK)
64c7b77c 2250 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2251 conn->dst_type, ev->status);
17d5c04c 2252 }
1da177e4 2253
e73439d8
MH		 2254 if (conn->type == ACL_LINK)
2255 hci_sco_setup(conn, ev->status);
1da177e4 2256
769be974
MH		 2257 if (ev->status) {
2258 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2259 hci_conn_del(conn);
c89b6e6b
MH		 2260 } else if (ev->link_type != ACL_LINK)
2261 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2262
a9de9248 2263unlock:
1da177e4 2264 hci_dev_unlock(hdev);
1da177e4 2265
a9de9248 2266 hci_conn_check_pending(hdev);
1da177e4
LT		 2267}
2268
70c46425
JH		 2269static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2270{
2271 struct hci_cp_reject_conn_req cp;
2272
2273 bacpy(&cp.bdaddr, bdaddr);
2274 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2275 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2276}
2277
6039aa73 2278static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2279{
a9de9248
MH		 2280 struct hci_ev_conn_request *ev = (void *) skb->data;
2281 int mask = hdev->link_mode;
70c46425
JH		 2282 struct inquiry_entry *ie;
2283 struct hci_conn *conn;
20714bfe 2284 __u8 flags = 0;
1da177e4 2285
6ed93dc6 2286 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2287 ev->link_type);
1da177e4 2288
20714bfe
FD		 2289 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2290 &flags);
1da177e4 2291
70c46425
JH		 2292 if (!(mask & HCI_LM_ACCEPT)) {
2293 hci_reject_conn(hdev, &ev->bdaddr);
2294 return;
2295 }
2296
46c4c941
JH		 2297 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2298 BDADDR_BREDR)) {
2299 hci_reject_conn(hdev, &ev->bdaddr);
2300 return;
2301 }
2302
6a8fc95c
JH		 2303 /* Require HCI_CONNECTABLE or a whitelist entry to accept the
2304 * connection. These features are only touched through mgmt so
2305 * only do the checks if HCI_MGMT is set.
2306 */
2307 if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
2308 !test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
46c4c941
JH		 2309 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2310 BDADDR_BREDR)) {
2311 hci_reject_conn(hdev, &ev->bdaddr);
2312 return;
70c46425 2313 }
1da177e4 2314
70c46425 2315 /* Connection accepted */
b6a0dc82 2316
70c46425
JH		 2317 hci_dev_lock(hdev);
2318
2319 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2320 if (ie)
2321 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2322
70c46425
JH		 2323 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2324 &ev->bdaddr);
2325 if (!conn) {
a5c4e309
JH		 2326 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2327 HCI_ROLE_SLAVE);
a9de9248 2328 if (!conn) {
70c46425
JH		 2329 BT_ERR("No memory for new connection");
2330 hci_dev_unlock(hdev);
2331 return;
1da177e4 2332 }
70c46425 2333 }
b6a0dc82 2334
70c46425 2335 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2336
70c46425 2337 hci_dev_unlock(hdev);
1da177e4 2338
70c46425
JH		 2339 if (ev->link_type == ACL_LINK ||
2340 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2341 struct hci_cp_accept_conn_req cp;
2342 conn->state = BT_CONNECT;
1da177e4 2343
70c46425 2344 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2345
70c46425
JH		 2346 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2347 cp.role = 0x00; /* Become master */
2348 else
2349 cp.role = 0x01; /* Remain slave */
b6a0dc82 2350
70c46425
JH		 2351 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2352 } else if (!(flags & HCI_PROTO_DEFER)) {
2353 struct hci_cp_accept_sync_conn_req cp;
2354 conn->state = BT_CONNECT;
b6a0dc82 2355
70c46425
JH		 2356 bacpy(&cp.bdaddr, &ev->bdaddr);
2357 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2358
70c46425
JH		 2359 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2360 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2361 cp.max_latency = cpu_to_le16(0xffff);
2362 cp.content_format = cpu_to_le16(hdev->voice_setting);
2363 cp.retrans_effort = 0xff;
1da177e4 2364
70c46425
JH		 2365 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2366 &cp);
a9de9248 2367 } else {
70c46425
JH		 2368 conn->state = BT_CONNECT2;
2369 hci_proto_connect_cfm(conn, 0);
1da177e4 2370 }
1da177e4
LT		 2371}
2372
f0d6a0ea
MA		 2373static u8 hci_to_mgmt_reason(u8 err)
2374{
2375 switch (err) {
2376 case HCI_ERROR_CONNECTION_TIMEOUT:
2377 return MGMT_DEV_DISCONN_TIMEOUT;
2378 case HCI_ERROR_REMOTE_USER_TERM:
2379 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2380 case HCI_ERROR_REMOTE_POWER_OFF:
2381 return MGMT_DEV_DISCONN_REMOTE;
2382 case HCI_ERROR_LOCAL_HOST_TERM:
2383 return MGMT_DEV_DISCONN_LOCAL_HOST;
2384 default:
2385 return MGMT_DEV_DISCONN_UNKNOWN;
2386 }
2387}
2388
6039aa73 2389static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2390{
a9de9248 2391 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2392 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2393 struct hci_conn_params *params;
04837f64 2394 struct hci_conn *conn;
12d4a3b2 2395 bool mgmt_connected;
3846220b 2396 u8 type;
04837f64 2397
9f1db00c 2398 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2399
2400 hci_dev_lock(hdev);
2401
2402 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2403 if (!conn)
2404 goto unlock;
7d0db0a3 2405
abf54a50
AG		 2406 if (ev->status) {
2407 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2408 conn->dst_type, ev->status);
2409 goto unlock;
37d9ef76 2410 }
f7520543 2411
3846220b
AG		 2412 conn->state = BT_CLOSED;
2413
12d4a3b2
JH		 2414 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2415 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2416 reason, mgmt_connected);
abf54a50 2417
22f433dc
JH		 2418 if (conn->type == ACL_LINK) {
2419 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2420 hci_remove_link_key(hdev, &conn->dst);
2421
1d2dc5b7 2422 hci_update_page_scan(hdev);
22f433dc 2423 }
2210246c 2424
9fcb18ef
AG		 2425 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2426 if (params) {
2427 switch (params->auto_connect) {
2428 case HCI_AUTO_CONN_LINK_LOSS:
2429 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2430 break;
2431 /* Fall through */
2432
4b9e7e75 2433 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2434 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2435 list_del_init(&params->action);
2436 list_add(&params->action, &hdev->pend_le_conns);
2437 hci_update_background_scan(hdev);
9fcb18ef
AG		 2438 break;
2439
2440 default:
2441 break;
2442 }
2443 }
2444
3846220b 2445 type = conn->type;
2210246c 2446
3846220b
AG		 2447 hci_proto_disconn_cfm(conn, ev->reason);
2448 hci_conn_del(conn);
2449
2450 /* Re-enable advertising if necessary, since it might
2451 * have been disabled by the connection. From the
2452 * HCI_LE_Set_Advertise_Enable command description in
2453 * the core specification (v4.0):
2454 * "The Controller shall continue advertising until the Host
2455 * issues an LE_Set_Advertise_Enable command with
2456 * Advertising_Enable set to 0x00 (Advertising is disabled)
2457 * or until a connection is created or until the Advertising
2458 * is timed out due to Directed Advertising."
2459 */
2460 if (type == LE_LINK)
2461 mgmt_reenable_advertising(hdev);
f7520543
JH		 2462
2463unlock:
04837f64
MH		 2464 hci_dev_unlock(hdev);
2465}
2466
6039aa73 2467static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2468{
a9de9248 2469 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2470 struct hci_conn *conn;
1da177e4 2471
9f1db00c 2472 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2473
2474 hci_dev_lock(hdev);
2475
04837f64 2476 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2477 if (!conn)
2478 goto unlock;
2479
2480 if (!ev->status) {
aa64a8b5 2481 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2482 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2483 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2484 } else {
4dae2798 2485 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2486 conn->sec_level = conn->pending_sec_level;
2a611692 2487 }
d7556e20 2488 } else {
e1e930f5 2489 mgmt_auth_failed(conn, ev->status);
d7556e20 2490 }
1da177e4 2491
51a8efd7
JH		 2492 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2493 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2494
d7556e20 2495 if (conn->state == BT_CONFIG) {
aa64a8b5 2496 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2497 struct hci_cp_set_conn_encrypt cp;
2498 cp.handle = ev->handle;
2499 cp.encrypt = 0x01;
2500 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2501 &cp);
052b30b0 2502 } else {
d7556e20
WR		 2503 conn->state = BT_CONNECTED;
2504 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2505 hci_conn_drop(conn);
052b30b0 2506 }
d7556e20
WR		 2507 } else {
2508 hci_auth_cfm(conn, ev->status);
052b30b0 2509
d7556e20
WR		 2510 hci_conn_hold(conn);
2511 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2512 hci_conn_drop(conn);
d7556e20
WR		 2513 }
2514
51a8efd7 2515 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2516 if (!ev->status) {
2517 struct hci_cp_set_conn_encrypt cp;
2518 cp.handle = ev->handle;
2519 cp.encrypt = 0x01;
2520 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2521 &cp);
d7556e20 2522 } else {
51a8efd7 2523 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2524 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2525 }
2526 }
2527
d7556e20 2528unlock:
1da177e4
LT		 2529 hci_dev_unlock(hdev);
2530}
2531
6039aa73 2532static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2533{
127178d2
JH		 2534 struct hci_ev_remote_name *ev = (void *) skb->data;
2535 struct hci_conn *conn;
2536
a9de9248 2537 BT_DBG("%s", hdev->name);
1da177e4 2538
a9de9248 2539 hci_conn_check_pending(hdev);
127178d2
JH		 2540
2541 hci_dev_lock(hdev);
2542
b644ba33 2543 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2544
b644ba33
JH		 2545 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2546 goto check_auth;
a88a9652 2547
b644ba33
JH		 2548 if (ev->status == 0)
2549 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2550 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2551 else
2552 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2553
2554check_auth:
79c6c70c
JH		 2555 if (!conn)
2556 goto unlock;
2557
2558 if (!hci_outgoing_auth_needed(hdev, conn))
2559 goto unlock;
2560
51a8efd7 2561 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2562 struct hci_cp_auth_requested cp;
977f8fce
JH		 2563
2564 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2565
127178d2
JH		 2566 cp.handle = __cpu_to_le16(conn->handle);
2567 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2568 }
2569
79c6c70c 2570unlock:
127178d2 2571 hci_dev_unlock(hdev);
a9de9248
MH		 2572}
2573
6039aa73 2574static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2575{
2576 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2577 struct hci_conn *conn;
2578
9f1db00c 2579 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2580
2581 hci_dev_lock(hdev);
2582
04837f64 2583 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2584 if (!conn)
2585 goto unlock;
1da177e4 2586
dc8357cc
MH		 2587 if (!ev->status) {
2588 if (ev->encrypt) {
2589 /* Encryption implies authentication */
4dae2798
JH		 2590 set_bit(HCI_CONN_AUTH, &conn->flags);
2591 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2592 conn->sec_level = conn->pending_sec_level;
abf76bad 2593
914a6ffe
MH		 2594 /* P-256 authentication key implies FIPS */
2595 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2596 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2597
abf76bad
MH		 2598 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2599 conn->type == LE_LINK)
2600 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2601 } else {
4dae2798 2602 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2603 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2604 }
dc8357cc 2605 }
a7d7723a 2606
7ed3fa20
JH		 2607 /* We should disregard the current RPA and generate a new one
2608 * whenever the encryption procedure fails.
2609 */
2610 if (ev->status && conn->type == LE_LINK)
2611 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2612
dc8357cc 2613 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2614
dc8357cc
MH		 2615 if (ev->status && conn->state == BT_CONNECTED) {
2616 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2617 hci_conn_drop(conn);
2618 goto unlock;
1da177e4
LT		 2619 }
2620
dc8357cc
MH		 2621 if (conn->state == BT_CONFIG) {
2622 if (!ev->status)
2623 conn->state = BT_CONNECTED;
2624
40b552aa
MH		 2625 /* In Secure Connections Only mode, do not allow any
2626 * connections that are not encrypted with AES-CCM
2627 * using a P-256 authenticated combination key.
2628 */
2629 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2630 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2631 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2632 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2633 hci_conn_drop(conn);
2634 goto unlock;
2635 }
2636
dc8357cc
MH		 2637 hci_proto_connect_cfm(conn, ev->status);
2638 hci_conn_drop(conn);
2639 } else
2640 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2641
a7d7723a 2642unlock:
1da177e4
LT		 2643 hci_dev_unlock(hdev);
2644}
2645
6039aa73
GP		 2646static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2647 struct sk_buff *skb)
1da177e4 2648{
a9de9248 2649 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2650 struct hci_conn *conn;
1da177e4 2651
9f1db00c 2652 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2653
2654 hci_dev_lock(hdev);
2655
04837f64 2656 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2657 if (conn) {
2658 if (!ev->status)
4dae2798 2659 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2660
51a8efd7 2661 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2662
2663 hci_key_change_cfm(conn, ev->status);
2664 }
2665
2666 hci_dev_unlock(hdev);
2667}
2668
6039aa73
GP		 2669static void hci_remote_features_evt(struct hci_dev *hdev,
2670 struct sk_buff *skb)
1da177e4 2671{
a9de9248
MH		 2672 struct hci_ev_remote_features *ev = (void *) skb->data;
2673 struct hci_conn *conn;
2674
9f1db00c 2675 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2676
a9de9248
MH		 2677 hci_dev_lock(hdev);
2678
2679 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2680 if (!conn)
2681 goto unlock;
769be974 2682
ccd556fe 2683 if (!ev->status)
cad718ed 2684 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2685
2686 if (conn->state != BT_CONFIG)
2687 goto unlock;
2688
ac363cf9
SJ		 2689 if (!ev->status && lmp_ext_feat_capable(hdev) &&
2690 lmp_ext_feat_capable(conn)) {
ccd556fe
JH		 2691 struct hci_cp_read_remote_ext_features cp;
2692 cp.handle = ev->handle;
2693 cp.page = 0x01;
2694 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2695 sizeof(cp), &cp);
392599b9
JH		 2696 goto unlock;
2697 }
2698
671267bf 2699 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2700 struct hci_cp_remote_name_req cp;
2701 memset(&cp, 0, sizeof(cp));
2702 bacpy(&cp.bdaddr, &conn->dst);
2703 cp.pscan_rep_mode = 0x02;
2704 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2705 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2706 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2707
127178d2 2708 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2709 conn->state = BT_CONNECTED;
2710 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2711 hci_conn_drop(conn);
769be974 2712 }
a9de9248 2713
ccd556fe 2714unlock:
a9de9248 2715 hci_dev_unlock(hdev);
1da177e4
LT		 2716}
2717
6039aa73 2718static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2719{
2720 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2721 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2722 __u16 opcode;
2723
2724 skb_pull(skb, sizeof(*ev));
2725
2726 opcode = __le16_to_cpu(ev->opcode);
2727
2728 switch (opcode) {
2729 case HCI_OP_INQUIRY_CANCEL:
2730 hci_cc_inquiry_cancel(hdev, skb);
2731 break;
2732
4d93483b
AG		 2733 case HCI_OP_PERIODIC_INQ:
2734 hci_cc_periodic_inq(hdev, skb);
2735 break;
2736
a9de9248
MH		 2737 case HCI_OP_EXIT_PERIODIC_INQ:
2738 hci_cc_exit_periodic_inq(hdev, skb);
2739 break;
2740
2741 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2742 hci_cc_remote_name_req_cancel(hdev, skb);
2743 break;
2744
2745 case HCI_OP_ROLE_DISCOVERY:
2746 hci_cc_role_discovery(hdev, skb);
2747 break;
2748
e4e8e37c
MH		 2749 case HCI_OP_READ_LINK_POLICY:
2750 hci_cc_read_link_policy(hdev, skb);
2751 break;
2752
a9de9248
MH		 2753 case HCI_OP_WRITE_LINK_POLICY:
2754 hci_cc_write_link_policy(hdev, skb);
2755 break;
2756
e4e8e37c
MH		 2757 case HCI_OP_READ_DEF_LINK_POLICY:
2758 hci_cc_read_def_link_policy(hdev, skb);
2759 break;
2760
2761 case HCI_OP_WRITE_DEF_LINK_POLICY:
2762 hci_cc_write_def_link_policy(hdev, skb);
2763 break;
2764
a9de9248
MH		 2765 case HCI_OP_RESET:
2766 hci_cc_reset(hdev, skb);
2767 break;
2768
c2f0f979
MH		 2769 case HCI_OP_READ_STORED_LINK_KEY:
2770 hci_cc_read_stored_link_key(hdev, skb);
2771 break;
2772
a9366120
MH		 2773 case HCI_OP_DELETE_STORED_LINK_KEY:
2774 hci_cc_delete_stored_link_key(hdev, skb);
2775 break;
2776
a9de9248
MH		 2777 case HCI_OP_WRITE_LOCAL_NAME:
2778 hci_cc_write_local_name(hdev, skb);
2779 break;
2780
2781 case HCI_OP_READ_LOCAL_NAME:
2782 hci_cc_read_local_name(hdev, skb);
2783 break;
2784
2785 case HCI_OP_WRITE_AUTH_ENABLE:
2786 hci_cc_write_auth_enable(hdev, skb);
2787 break;
2788
2789 case HCI_OP_WRITE_ENCRYPT_MODE:
2790 hci_cc_write_encrypt_mode(hdev, skb);
2791 break;
2792
2793 case HCI_OP_WRITE_SCAN_ENABLE:
2794 hci_cc_write_scan_enable(hdev, skb);
2795 break;
2796
2797 case HCI_OP_READ_CLASS_OF_DEV:
2798 hci_cc_read_class_of_dev(hdev, skb);
2799 break;
2800
2801 case HCI_OP_WRITE_CLASS_OF_DEV:
2802 hci_cc_write_class_of_dev(hdev, skb);
2803 break;
2804
2805 case HCI_OP_READ_VOICE_SETTING:
2806 hci_cc_read_voice_setting(hdev, skb);
2807 break;
2808
2809 case HCI_OP_WRITE_VOICE_SETTING:
2810 hci_cc_write_voice_setting(hdev, skb);
2811 break;
2812
b4cb9fb2
MH		 2813 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2814 hci_cc_read_num_supported_iac(hdev, skb);
2815 break;
2816
333140b5
MH		 2817 case HCI_OP_WRITE_SSP_MODE:
2818 hci_cc_write_ssp_mode(hdev, skb);
2819 break;
2820
eac83dc6
MH		 2821 case HCI_OP_WRITE_SC_SUPPORT:
2822 hci_cc_write_sc_support(hdev, skb);
2823 break;
2824
a9de9248
MH		 2825 case HCI_OP_READ_LOCAL_VERSION:
2826 hci_cc_read_local_version(hdev, skb);
2827 break;
2828
2829 case HCI_OP_READ_LOCAL_COMMANDS:
2830 hci_cc_read_local_commands(hdev, skb);
2831 break;
2832
2833 case HCI_OP_READ_LOCAL_FEATURES:
2834 hci_cc_read_local_features(hdev, skb);
2835 break;
2836
971e3a4b
AG		 2837 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2838 hci_cc_read_local_ext_features(hdev, skb);
2839 break;
2840
a9de9248
MH		 2841 case HCI_OP_READ_BUFFER_SIZE:
2842 hci_cc_read_buffer_size(hdev, skb);
2843 break;
2844
2845 case HCI_OP_READ_BD_ADDR:
2846 hci_cc_read_bd_addr(hdev, skb);
2847 break;
2848
f332ec66
JH		 2849 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2850 hci_cc_read_page_scan_activity(hdev, skb);
2851 break;
2852
4a3ee763
JH		 2853 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2854 hci_cc_write_page_scan_activity(hdev, skb);
2855 break;
2856
f332ec66
JH		 2857 case HCI_OP_READ_PAGE_SCAN_TYPE:
2858 hci_cc_read_page_scan_type(hdev, skb);
2859 break;
2860
4a3ee763
JH		 2861 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2862 hci_cc_write_page_scan_type(hdev, skb);
2863 break;
2864
350ee4cf
AE		 2865 case HCI_OP_READ_DATA_BLOCK_SIZE:
2866 hci_cc_read_data_block_size(hdev, skb);
2867 break;
2868
1e89cffb
AE		 2869 case HCI_OP_READ_FLOW_CONTROL_MODE:
2870 hci_cc_read_flow_control_mode(hdev, skb);
2871 break;
2872
928abaa7
AE		 2873 case HCI_OP_READ_LOCAL_AMP_INFO:
2874 hci_cc_read_local_amp_info(hdev, skb);
2875 break;
2876
33f35721
JH		 2877 case HCI_OP_READ_CLOCK:
2878 hci_cc_read_clock(hdev, skb);
2879 break;
2880
903e4541
AE		 2881 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2882 hci_cc_read_local_amp_assoc(hdev, skb);
2883 break;
2884
d5859e22
JH		 2885 case HCI_OP_READ_INQ_RSP_TX_POWER:
2886 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2887 break;
2888
980e1a53
JH		 2889 case HCI_OP_PIN_CODE_REPLY:
2890 hci_cc_pin_code_reply(hdev, skb);
2891 break;
2892
2893 case HCI_OP_PIN_CODE_NEG_REPLY:
2894 hci_cc_pin_code_neg_reply(hdev, skb);
2895 break;
2896
c35938b2 2897 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2898 hci_cc_read_local_oob_data(hdev, skb);
2899 break;
2900
2901 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2902 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2903 break;
2904
6ed58ec5
VT		 2905 case HCI_OP_LE_READ_BUFFER_SIZE:
2906 hci_cc_le_read_buffer_size(hdev, skb);
2907 break;
2908
60e77321
JH		 2909 case HCI_OP_LE_READ_LOCAL_FEATURES:
2910 hci_cc_le_read_local_features(hdev, skb);
2911 break;
2912
8fa19098
JH		 2913 case HCI_OP_LE_READ_ADV_TX_POWER:
2914 hci_cc_le_read_adv_tx_power(hdev, skb);
2915 break;
2916
a5c29683
JH		 2917 case HCI_OP_USER_CONFIRM_REPLY:
2918 hci_cc_user_confirm_reply(hdev, skb);
2919 break;
2920
2921 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2922 hci_cc_user_confirm_neg_reply(hdev, skb);
2923 break;
2924
1143d458
BG		 2925 case HCI_OP_USER_PASSKEY_REPLY:
2926 hci_cc_user_passkey_reply(hdev, skb);
2927 break;
2928
2929 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2930 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2931 break;
07f7fa5d 2932
7a4cd51d
MH		 2933 case HCI_OP_LE_SET_RANDOM_ADDR:
2934 hci_cc_le_set_random_addr(hdev, skb);
2935 break;
2936
c1d5dc4a
JH		 2937 case HCI_OP_LE_SET_ADV_ENABLE:
2938 hci_cc_le_set_adv_enable(hdev, skb);
2939 break;
2940
533553f8
MH		 2941 case HCI_OP_LE_SET_SCAN_PARAM:
2942 hci_cc_le_set_scan_param(hdev, skb);
2943 break;
2944
eb9d91f5
AG		 2945 case HCI_OP_LE_SET_SCAN_ENABLE:
2946 hci_cc_le_set_scan_enable(hdev, skb);
2947 break;
2948
cf1d081f
JH		 2949 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2950 hci_cc_le_read_white_list_size(hdev, skb);
2951 break;
2952
0f36b589
MH		 2953 case HCI_OP_LE_CLEAR_WHITE_LIST:
2954 hci_cc_le_clear_white_list(hdev, skb);
2955 break;
2956
2957 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2958 hci_cc_le_add_to_white_list(hdev, skb);
2959 break;
2960
2961 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2962 hci_cc_le_del_from_white_list(hdev, skb);
2963 break;
2964
9b008c04
JH		 2965 case HCI_OP_LE_READ_SUPPORTED_STATES:
2966 hci_cc_le_read_supported_states(hdev, skb);
2967 break;
2968
a8e1bfaa
MH		 2969 case HCI_OP_LE_READ_DEF_DATA_LEN:
2970 hci_cc_le_read_def_data_len(hdev, skb);
2971 break;
2972
2973 case HCI_OP_LE_WRITE_DEF_DATA_LEN:
2974 hci_cc_le_write_def_data_len(hdev, skb);
2975 break;
2976
2977 case HCI_OP_LE_READ_MAX_DATA_LEN:
2978 hci_cc_le_read_max_data_len(hdev, skb);
2979 break;
2980
f9b49306
AG		 2981 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2982 hci_cc_write_le_host_supported(hdev, skb);
2983 break;
2984
56ed2cb8
JH		 2985 case HCI_OP_LE_SET_ADV_PARAM:
2986 hci_cc_set_adv_param(hdev, skb);
2987 break;
2988
93c284ee
AE		 2989 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2990 hci_cc_write_remote_amp_assoc(hdev, skb);
2991 break;
2992
5ae76a94
AK		 2993 case HCI_OP_READ_RSSI:
2994 hci_cc_read_rssi(hdev, skb);
2995 break;
2996
5a134fae
AK		 2997 case HCI_OP_READ_TX_POWER:
2998 hci_cc_read_tx_power(hdev, skb);
2999 break;
3000
c50b33c8
MH		 3001 case HCI_OP_WRITE_SSP_DEBUG_MODE:
3002 hci_cc_write_ssp_debug_mode(hdev, skb);
3003 break;
3004
a9de9248 3005 default:
9f1db00c 3006 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 3007 break;
3008 }
3009
ad82cdd1 3010 if (opcode != HCI_OP_NOP)
65cc2b49 3011 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3012
ad82cdd1 3013 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 3014
dbccd791 3015 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 3016 atomic_set(&hdev->cmd_cnt, 1);
3017 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 3018 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3019 }
3020}
3021
6039aa73 3022static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3023{
3024 struct hci_ev_cmd_status *ev = (void *) skb->data;
3025 __u16 opcode;
3026
3027 skb_pull(skb, sizeof(*ev));
3028
3029 opcode = __le16_to_cpu(ev->opcode);
3030
3031 switch (opcode) {
3032 case HCI_OP_INQUIRY:
3033 hci_cs_inquiry(hdev, ev->status);
3034 break;
3035
3036 case HCI_OP_CREATE_CONN:
3037 hci_cs_create_conn(hdev, ev->status);
3038 break;
3039
9645c76c
KP		 3040 case HCI_OP_DISCONNECT:
3041 hci_cs_disconnect(hdev, ev->status);
3042 break;
3043
a9de9248
MH		 3044 case HCI_OP_ADD_SCO:
3045 hci_cs_add_sco(hdev, ev->status);
3046 break;
3047
f8558555
MH		 3048 case HCI_OP_AUTH_REQUESTED:
3049 hci_cs_auth_requested(hdev, ev->status);
3050 break;
3051
3052 case HCI_OP_SET_CONN_ENCRYPT:
3053 hci_cs_set_conn_encrypt(hdev, ev->status);
3054 break;
3055
a9de9248
MH		 3056 case HCI_OP_REMOTE_NAME_REQ:
3057 hci_cs_remote_name_req(hdev, ev->status);
3058 break;
3059
769be974
MH		 3060 case HCI_OP_READ_REMOTE_FEATURES:
3061 hci_cs_read_remote_features(hdev, ev->status);
3062 break;
3063
3064 case HCI_OP_READ_REMOTE_EXT_FEATURES:
3065 hci_cs_read_remote_ext_features(hdev, ev->status);
3066 break;
3067
a9de9248
MH		 3068 case HCI_OP_SETUP_SYNC_CONN:
3069 hci_cs_setup_sync_conn(hdev, ev->status);
3070 break;
3071
9645c76c
KP		 3072 case HCI_OP_CREATE_PHY_LINK:
3073 hci_cs_create_phylink(hdev, ev->status);
3074 break;
3075
3076 case HCI_OP_ACCEPT_PHY_LINK:
3077 hci_cs_accept_phylink(hdev, ev->status);
3078 break;
3079
a9de9248
MH		 3080 case HCI_OP_SNIFF_MODE:
3081 hci_cs_sniff_mode(hdev, ev->status);
3082 break;
3083
3084 case HCI_OP_EXIT_SNIFF_MODE:
3085 hci_cs_exit_sniff_mode(hdev, ev->status);
3086 break;
3087
50fc85f1
KP		 3088 case HCI_OP_SWITCH_ROLE:
3089 hci_cs_switch_role(hdev, ev->status);
3090 break;
3091
cb1d68f7
JH		 3092 case HCI_OP_LE_CREATE_CONN:
3093 hci_cs_le_create_conn(hdev, ev->status);
3094 break;
3095
81d0c8ad
JH		 3096 case HCI_OP_LE_START_ENC:
3097 hci_cs_le_start_enc(hdev, ev->status);
3098 break;
3099
a9de9248 3100 default:
9f1db00c 3101 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 3102 break;
3103 }
3104
ad82cdd1 3105 if (opcode != HCI_OP_NOP)
65cc2b49 3106 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3107
02350a72
JH		 3108 if (ev->status ||
3109 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
3110 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 3111
10572132 3112 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 3113 atomic_set(&hdev->cmd_cnt, 1);
3114 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 3115 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3116 }
3117}
3118
24dfa343
MH		 3119static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
3120{
3121 struct hci_ev_hardware_error *ev = (void *) skb->data;
3122
c7741d16
MH		 3123 hdev->hw_error_code = ev->code;
3124
3125 queue_work(hdev->req_workqueue, &hdev->error_reset);
24dfa343
MH		 3126}
3127
6039aa73 3128static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3129{
3130 struct hci_ev_role_change *ev = (void *) skb->data;
3131 struct hci_conn *conn;
3132
9f1db00c 3133 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 3134
3135 hci_dev_lock(hdev);
3136
3137 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3138 if (conn) {
40bef302
JH		 3139 if (!ev->status)
3140 conn->role = ev->role;
a9de9248 3141
51a8efd7 3142 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 3143
3144 hci_role_switch_cfm(conn, ev->status, ev->role);
3145 }
3146
3147 hci_dev_unlock(hdev);
3148}
3149
6039aa73 3150static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3151{
3152 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 3153 int i;
3154
32ac5b9b
AE		 3155 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3156 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3157 return;
3158 }
3159
c5993de8 3160 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3161 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 3162 BT_DBG("%s bad parameters", hdev->name);
3163 return;
3164 }
3165
c5993de8
AE		 3166 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3167
613a1c0c
AE		 3168 for (i = 0; i < ev->num_hndl; i++) {
3169 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3170 struct hci_conn *conn;
3171 __u16 handle, count;
3172
613a1c0c
AE		 3173 handle = __le16_to_cpu(info->handle);
3174 count = __le16_to_cpu(info->count);
a9de9248
MH		 3175
3176 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3177 if (!conn)
3178 continue;
3179
3180 conn->sent -= count;
3181
3182 switch (conn->type) {
3183 case ACL_LINK:
3184 hdev->acl_cnt += count;
3185 if (hdev->acl_cnt > hdev->acl_pkts)
3186 hdev->acl_cnt = hdev->acl_pkts;
3187 break;
3188
3189 case LE_LINK:
3190 if (hdev->le_pkts) {
3191 hdev->le_cnt += count;
3192 if (hdev->le_cnt > hdev->le_pkts)
3193 hdev->le_cnt = hdev->le_pkts;
3194 } else {
70f23020
AE		 3195 hdev->acl_cnt += count;
3196 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3197 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3198 }
f4280918
AE		 3199 break;
3200
3201 case SCO_LINK:
3202 hdev->sco_cnt += count;
3203 if (hdev->sco_cnt > hdev->sco_pkts)
3204 hdev->sco_cnt = hdev->sco_pkts;
3205 break;
3206
3207 default:
3208 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3209 break;
a9de9248
MH		 3210 }
3211 }
3212
3eff45ea 3213 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3214}
3215
76ef7cf7
AE		 3216static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3217 __u16 handle)
3218{
3219 struct hci_chan *chan;
3220
3221 switch (hdev->dev_type) {
3222 case HCI_BREDR:
3223 return hci_conn_hash_lookup_handle(hdev, handle);
3224 case HCI_AMP:
3225 chan = hci_chan_lookup_handle(hdev, handle);
3226 if (chan)
3227 return chan->conn;
3228 break;
3229 default:
3230 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3231 break;
3232 }
3233
3234 return NULL;
3235}
3236
6039aa73 3237static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3238{
3239 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3240 int i;
3241
3242 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3243 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3244 return;
3245 }
3246
3247 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3248 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3249 BT_DBG("%s bad parameters", hdev->name);
3250 return;
3251 }
3252
3253 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3254 ev->num_hndl);
25e89e99
AE		 3255
3256 for (i = 0; i < ev->num_hndl; i++) {
3257 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3258 struct hci_conn *conn = NULL;
25e89e99
AE		 3259 __u16 handle, block_count;
3260
3261 handle = __le16_to_cpu(info->handle);
3262 block_count = __le16_to_cpu(info->blocks);
3263
76ef7cf7 3264 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3265 if (!conn)
3266 continue;
3267
3268 conn->sent -= block_count;
3269
3270 switch (conn->type) {
3271 case ACL_LINK:
bd1eb66b 3272 case AMP_LINK:
25e89e99
AE		 3273 hdev->block_cnt += block_count;
3274 if (hdev->block_cnt > hdev->num_blocks)
3275 hdev->block_cnt = hdev->num_blocks;
3276 break;
3277
3278 default:
3279 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3280 break;
3281 }
3282 }
3283
3284 queue_work(hdev->workqueue, &hdev->tx_work);
3285}
3286
6039aa73 3287static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3288{
a9de9248 3289 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3290 struct hci_conn *conn;
3291
9f1db00c 3292 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3293
3294 hci_dev_lock(hdev);
3295
3296 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3297 if (conn) {
3298 conn->mode = ev->mode;
a9de9248 3299
8fc9ced3
GP		 3300 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3301 &conn->flags)) {
a9de9248 3302 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3303 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3304 else
58a681ef 3305 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3306 }
e73439d8 3307
51a8efd7 3308 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3309 hci_sco_setup(conn, ev->status);
04837f64
MH		 3310 }
3311
3312 hci_dev_unlock(hdev);
3313}
3314
6039aa73 3315static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3316{
052b30b0
MH		 3317 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3318 struct hci_conn *conn;
3319
a9de9248 3320 BT_DBG("%s", hdev->name);
052b30b0
MH		 3321
3322 hci_dev_lock(hdev);
3323
3324 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3325 if (!conn)
3326 goto unlock;
3327
3328 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3329 hci_conn_hold(conn);
3330 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3331 hci_conn_drop(conn);
052b30b0
MH		 3332 }
3333
b6ae8457 3334 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3335 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3336 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3337 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3338 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3339 u8 secure;
3340
3341 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3342 secure = 1;
3343 else
3344 secure = 0;
3345
744cf19e 3346 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3347 }
980e1a53 3348
b6f98044 3349unlock:
052b30b0 3350 hci_dev_unlock(hdev);
a9de9248
MH		 3351}
3352
cb6f3f7a
JH		 3353static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3354{
3355 if (key_type == HCI_LK_CHANGED_COMBINATION)
3356 return;
3357
3358 conn->pin_length = pin_len;
3359 conn->key_type = key_type;
3360
3361 switch (key_type) {
3362 case HCI_LK_LOCAL_UNIT:
3363 case HCI_LK_REMOTE_UNIT:
3364 case HCI_LK_DEBUG_COMBINATION:
3365 return;
3366 case HCI_LK_COMBINATION:
3367 if (pin_len == 16)
3368 conn->pending_sec_level = BT_SECURITY_HIGH;
3369 else
3370 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3371 break;
3372 case HCI_LK_UNAUTH_COMBINATION_P192:
3373 case HCI_LK_UNAUTH_COMBINATION_P256:
3374 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3375 break;
3376 case HCI_LK_AUTH_COMBINATION_P192:
3377 conn->pending_sec_level = BT_SECURITY_HIGH;
3378 break;
3379 case HCI_LK_AUTH_COMBINATION_P256:
3380 conn->pending_sec_level = BT_SECURITY_FIPS;
3381 break;
3382 }
3383}
3384
6039aa73 3385static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3386{
55ed8ca1
JH		 3387 struct hci_ev_link_key_req *ev = (void *) skb->data;
3388 struct hci_cp_link_key_reply cp;
3389 struct hci_conn *conn;
3390 struct link_key *key;
3391
a9de9248 3392 BT_DBG("%s", hdev->name);
55ed8ca1 3393
034cbea0 3394 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3395 return;
3396
3397 hci_dev_lock(hdev);
3398
3399 key = hci_find_link_key(hdev, &ev->bdaddr);
3400 if (!key) {
6ed93dc6
AE		 3401 BT_DBG("%s link key not found for %pMR", hdev->name,
3402 &ev->bdaddr);
55ed8ca1
JH		 3403 goto not_found;
3404 }
3405
6ed93dc6
AE		 3406 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3407 &ev->bdaddr);
55ed8ca1 3408
55ed8ca1 3409 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3410 if (conn) {
fe8bc5ac
JH		 3411 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3412
66138ce8
MH		 3413 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3414 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3415 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3416 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3417 goto not_found;
3418 }
55ed8ca1 3419
60b83f57 3420 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3421 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3422 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3423 BT_DBG("%s ignoring key unauthenticated for high security",
3424 hdev->name);
60b83f57
WR		 3425 goto not_found;
3426 }
3427
cb6f3f7a 3428 conn_set_key(conn, key->type, key->pin_len);
55ed8ca1
JH		 3429 }
3430
3431 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3432 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3433
3434 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3435
3436 hci_dev_unlock(hdev);
3437
3438 return;
3439
3440not_found:
3441 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3442 hci_dev_unlock(hdev);
a9de9248
MH		 3443}
3444
6039aa73 3445static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3446{
052b30b0
MH		 3447 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3448 struct hci_conn *conn;
7652ff6a
JH		 3449 struct link_key *key;
3450 bool persistent;
55ed8ca1 3451 u8 pin_len = 0;
052b30b0 3452
a9de9248 3453 BT_DBG("%s", hdev->name);
052b30b0
MH		 3454
3455 hci_dev_lock(hdev);
3456
3457 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
82c13d42
JH		 3458 if (!conn)
3459 goto unlock;
3460
3461 hci_conn_hold(conn);
3462 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3463 hci_conn_drop(conn);
3464
fe8bc5ac 3465 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
82c13d42 3466 conn_set_key(conn, ev->key_type, conn->pin_length);
052b30b0 3467
7652ff6a
JH		 3468 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3469 goto unlock;
3470
3471 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3472 ev->key_type, pin_len, &persistent);
3473 if (!key)
3474 goto unlock;
3475
cb6f3f7a
JH		 3476 /* Update connection information since adding the key will have
3477 * fixed up the type in the case of changed combination keys.
3478 */
3479 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3480 conn_set_key(conn, key->type, key->pin_len);
3481
7652ff6a 3482 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3483
6d5650c4
JH		 3484 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3485 * is set. If it's not set simply remove the key from the kernel
3486 * list (we've still notified user space about it but with
3487 * store_hint being 0).
3488 */
3489 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3490 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
0378b597
JH		 3491 list_del_rcu(&key->list);
3492 kfree_rcu(key, rcu);
82c13d42 3493 goto unlock;
6d5650c4 3494 }
7652ff6a 3495
82c13d42
JH		 3496 if (persistent)
3497 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3498 else
3499 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3500
7652ff6a 3501unlock:
052b30b0 3502 hci_dev_unlock(hdev);
a9de9248
MH		 3503}
3504
6039aa73 3505static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3506{
a9de9248 3507 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3508 struct hci_conn *conn;
1da177e4 3509
9f1db00c 3510 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3511
3512 hci_dev_lock(hdev);
3513
04837f64 3514 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3515 if (conn && !ev->status) {
3516 struct inquiry_entry *ie;
3517
cc11b9c1
AE		 3518 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3519 if (ie) {
1da177e4
LT		 3520 ie->data.clock_offset = ev->clock_offset;
3521 ie->timestamp = jiffies;
3522 }
3523 }
3524
3525 hci_dev_unlock(hdev);
3526}
3527
6039aa73 3528static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3529{
3530 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3531 struct hci_conn *conn;
3532
9f1db00c 3533 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3534
3535 hci_dev_lock(hdev);
3536
3537 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3538 if (conn && !ev->status)
3539 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3540
3541 hci_dev_unlock(hdev);
3542}
3543
6039aa73 3544static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3545{
a9de9248 3546 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3547 struct inquiry_entry *ie;
3548
3549 BT_DBG("%s", hdev->name);
3550
3551 hci_dev_lock(hdev);
3552
cc11b9c1
AE		 3553 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3554 if (ie) {
85a1e930
MH		 3555 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3556 ie->timestamp = jiffies;
3557 }
3558
3559 hci_dev_unlock(hdev);
3560}
3561
6039aa73
GP		 3562static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3563 struct sk_buff *skb)
a9de9248
MH		 3564{
3565 struct inquiry_data data;
3566 int num_rsp = *((__u8 *) skb->data);
3567
3568 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3569
3570 if (!num_rsp)
3571 return;
3572
1519cc17
AG		 3573 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3574 return;
3575
a9de9248
MH		 3576 hci_dev_lock(hdev);
3577
3578 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3579 struct inquiry_info_with_rssi_and_pscan_mode *info;
3580 info = (void *) (skb->data + 1);
a9de9248 3581
e17acd40 3582 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3583 u32 flags;
3584
a9de9248
MH		 3585 bacpy(&data.bdaddr, &info->bdaddr);
3586 data.pscan_rep_mode = info->pscan_rep_mode;
3587 data.pscan_period_mode = info->pscan_period_mode;
3588 data.pscan_mode = info->pscan_mode;
3589 memcpy(data.dev_class, info->dev_class, 3);
3590 data.clock_offset = info->clock_offset;
3591 data.rssi = info->rssi;
41a96212 3592 data.ssp_mode = 0x00;
3175405b 3593
af58925c
MH		 3594 flags = hci_inquiry_cache_update(hdev, &data, false);
3595
48264f06 3596 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3597 info->dev_class, info->rssi,
af58925c 3598 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3599 }
3600 } else {
3601 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3602
e17acd40 3603 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3604 u32 flags;
3605
a9de9248
MH		 3606 bacpy(&data.bdaddr, &info->bdaddr);
3607 data.pscan_rep_mode = info->pscan_rep_mode;
3608 data.pscan_period_mode = info->pscan_period_mode;
3609 data.pscan_mode = 0x00;
3610 memcpy(data.dev_class, info->dev_class, 3);
3611 data.clock_offset = info->clock_offset;
3612 data.rssi = info->rssi;
41a96212 3613 data.ssp_mode = 0x00;
af58925c
MH		 3614
3615 flags = hci_inquiry_cache_update(hdev, &data, false);
3616
48264f06 3617 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3618 info->dev_class, info->rssi,
af58925c 3619 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3620 }
3621 }
3622
3623 hci_dev_unlock(hdev);
3624}
3625
6039aa73
GP		 3626static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3627 struct sk_buff *skb)
a9de9248 3628{
41a96212
MH		 3629 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3630 struct hci_conn *conn;
3631
a9de9248 3632 BT_DBG("%s", hdev->name);
41a96212 3633
41a96212
MH		 3634 hci_dev_lock(hdev);
3635
3636 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3637 if (!conn)
3638 goto unlock;
41a96212 3639
cad718ed
JH		 3640 if (ev->page < HCI_MAX_PAGES)
3641 memcpy(conn->features[ev->page], ev->features, 8);
3642
ccd556fe
JH		 3643 if (!ev->status && ev->page == 0x01) {
3644 struct inquiry_entry *ie;
41a96212 3645
cc11b9c1
AE		 3646 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3647 if (ie)
02b7cc62 3648 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3649
bbb0eada 3650 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3651 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3652 } else {
3653 /* It is mandatory by the Bluetooth specification that
3654 * Extended Inquiry Results are only used when Secure
3655 * Simple Pairing is enabled, but some devices violate
3656 * this.
3657 *
3658 * To make these devices work, the internal SSP
3659 * enabled flag needs to be cleared if the remote host
3660 * features do not indicate SSP support */
3661 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3662 }
eb9a8f3f
MH		 3663
3664 if (ev->features[0] & LMP_HOST_SC)
3665 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3666 }
3667
3668 if (conn->state != BT_CONFIG)
3669 goto unlock;
3670
671267bf 3671 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3672 struct hci_cp_remote_name_req cp;
3673 memset(&cp, 0, sizeof(cp));
3674 bacpy(&cp.bdaddr, &conn->dst);
3675 cp.pscan_rep_mode = 0x02;
3676 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3677 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3678 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3679
127178d2 3680 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3681 conn->state = BT_CONNECTED;
3682 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3683 hci_conn_drop(conn);
41a96212
MH		 3684 }
3685
ccd556fe 3686unlock:
41a96212 3687 hci_dev_unlock(hdev);
a9de9248
MH		 3688}
3689
6039aa73
GP		 3690static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3691 struct sk_buff *skb)
a9de9248 3692{
b6a0dc82
MH		 3693 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3694 struct hci_conn *conn;
3695
9f1db00c 3696 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3697
3698 hci_dev_lock(hdev);
3699
3700 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3701 if (!conn) {
3702 if (ev->link_type == ESCO_LINK)
3703 goto unlock;
3704
3705 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3706 if (!conn)
3707 goto unlock;
3708
3709 conn->type = SCO_LINK;
3710 }
b6a0dc82 3711
732547f9
MH		 3712 switch (ev->status) {
3713 case 0x00:
b6a0dc82
MH		 3714 conn->handle = __le16_to_cpu(ev->handle);
3715 conn->state = BT_CONNECTED;
7d0db0a3 3716
23b9ceb7 3717 hci_debugfs_create_conn(conn);
7d0db0a3 3718 hci_conn_add_sysfs(conn);
732547f9
MH		 3719 break;
3720
81218d20 3721 case 0x10: /* Connection Accept Timeout */
1a4c958c 3722 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3723 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3724 case 0x1c: /* SCO interval rejected */
1038a00b 3725 case 0x1a: /* Unsupported Remote Feature */
732547f9 3726 case 0x1f: /* Unspecified error */
27539bc4 3727 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3728 if (conn->out) {
732547f9
MH		 3729 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3730 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3731 if (hci_setup_sync(conn, conn->link->handle))
3732 goto unlock;
732547f9
MH		 3733 }
3734 /* fall through */
3735
3736 default:
b6a0dc82 3737 conn->state = BT_CLOSED;
732547f9
MH		 3738 break;
3739 }
b6a0dc82
MH		 3740
3741 hci_proto_connect_cfm(conn, ev->status);
3742 if (ev->status)
3743 hci_conn_del(conn);
3744
3745unlock:
3746 hci_dev_unlock(hdev);
a9de9248
MH		 3747}
3748
efdcf8e3
MH		 3749static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3750{
3751 size_t parsed = 0;
3752
3753 while (parsed < eir_len) {
3754 u8 field_len = eir[0];
3755
3756 if (field_len == 0)
3757 return parsed;
3758
3759 parsed += field_len + 1;
3760 eir += field_len + 1;
3761 }
3762
3763 return eir_len;
3764}
3765
6039aa73
GP		 3766static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3767 struct sk_buff *skb)
1da177e4 3768{
a9de9248
MH		 3769 struct inquiry_data data;
3770 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3771 int num_rsp = *((__u8 *) skb->data);
9d939d94 3772 size_t eir_len;
1da177e4 3773
a9de9248 3774 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3775
a9de9248
MH		 3776 if (!num_rsp)
3777 return;
1da177e4 3778
1519cc17
AG		 3779 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3780 return;
3781
a9de9248
MH		 3782 hci_dev_lock(hdev);
3783
e17acd40 3784 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3785 u32 flags;
3786 bool name_known;
561aafbc 3787
a9de9248 3788 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3789 data.pscan_rep_mode = info->pscan_rep_mode;
3790 data.pscan_period_mode = info->pscan_period_mode;
3791 data.pscan_mode = 0x00;
a9de9248 3792 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3793 data.clock_offset = info->clock_offset;
3794 data.rssi = info->rssi;
41a96212 3795 data.ssp_mode = 0x01;
561aafbc 3796
a8b2d5c2 3797 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3798 name_known = eir_has_data_type(info->data,
04124681
GP		 3799 sizeof(info->data),
3800 EIR_NAME_COMPLETE);
561aafbc
JH		 3801 else
3802 name_known = true;
3803
af58925c
MH		 3804 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3805
9d939d94 3806 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3807
48264f06 3808 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3809 info->dev_class, info->rssi,
3810 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3811 }
3812
3813 hci_dev_unlock(hdev);
3814}
1da177e4 3815
1c2e0041
JH		 3816static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3817 struct sk_buff *skb)
3818{
3819 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3820 struct hci_conn *conn;
3821
9f1db00c 3822 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3823 __le16_to_cpu(ev->handle));
3824
3825 hci_dev_lock(hdev);
3826
3827 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3828 if (!conn)
3829 goto unlock;
3830
9eb1fbfa
JH		 3831 /* For BR/EDR the necessary steps are taken through the
3832 * auth_complete event.
3833 */
3834 if (conn->type != LE_LINK)
3835 goto unlock;
3836
1c2e0041
JH		 3837 if (!ev->status)
3838 conn->sec_level = conn->pending_sec_level;
3839
3840 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3841
3842 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3843 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3844 hci_conn_drop(conn);
1c2e0041
JH		 3845 goto unlock;
3846 }
3847
3848 if (conn->state == BT_CONFIG) {
3849 if (!ev->status)
3850 conn->state = BT_CONNECTED;
3851
3852 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3853 hci_conn_drop(conn);
1c2e0041
JH		 3854 } else {
3855 hci_auth_cfm(conn, ev->status);
3856
3857 hci_conn_hold(conn);
3858 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3859 hci_conn_drop(conn);
1c2e0041
JH		 3860 }
3861
3862unlock:
3863 hci_dev_unlock(hdev);
3864}
3865
6039aa73 3866static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3867{
17fa4b9d 3868 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3869 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3870 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3871 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3872
b7f94c88
MA		 3873 /* If both remote and local have enough IO capabilities, require
3874 * MITM protection
3875 */
3876 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3877 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3878 return conn->remote_auth | 0x01;
3879
7e74170a
TM		 3880 /* No MITM protection possible so ignore remote requirement */
3881 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3882}
3883
a83ed81e
MH		 3884static u8 bredr_oob_data_present(struct hci_conn *conn)
3885{
3886 struct hci_dev *hdev = conn->hdev;
3887 struct oob_data *data;
3888
3889 data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR);
3890 if (!data)
3891 return 0x00;
3892
659c7fb0 3893 if (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)) {
bf21d793
MH		 3894 if (bredr_sc_enabled(hdev)) {
3895 /* When Secure Connections is enabled, then just
3896 * return the present value stored with the OOB
3897 * data. The stored value contains the right present
3898 * information. However it can only be trusted when
3899 * not in Secure Connection Only mode.
3900 */
3901 if (!test_bit(HCI_SC_ONLY, &hdev->dev_flags))
3902 return data->present;
3903
3904 /* When Secure Connections Only mode is enabled, then
3905 * the P-256 values are required. If they are not
3906 * available, then do not declare that OOB data is
3907 * present.
3908 */
3909 if (!memcmp(data->rand256, ZERO_KEY, 16) ||
3910 !memcmp(data->hash256, ZERO_KEY, 16))
3911 return 0x00;
3912
3913 return 0x02;
3914 }
659c7fb0
MH		 3915
3916 /* When Secure Connections is not enabled or actually
3917 * not supported by the hardware, then check that if
3918 * P-192 data values are present.
3919 */
3920 if (!memcmp(data->rand192, ZERO_KEY, 16) ||
3921 !memcmp(data->hash192, ZERO_KEY, 16))
3922 return 0x00;
3923
a83ed81e 3924 return 0x01;
659c7fb0 3925 }
a83ed81e
MH		 3926
3927 return 0x00;
3928}
3929
6039aa73 3930static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3931{
3932 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3933 struct hci_conn *conn;
3934
3935 BT_DBG("%s", hdev->name);
3936
3937 hci_dev_lock(hdev);
3938
3939 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3940 if (!conn)
3941 goto unlock;
3942
3943 hci_conn_hold(conn);
3944
a8b2d5c2 3945 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3946 goto unlock;
3947
2f407f0a
JH		 3948 /* Allow pairing if we're pairable, the initiators of the
3949 * pairing or if the remote is not requesting bonding.
3950 */
b6ae8457 3951 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3952 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3953 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3954 struct hci_cp_io_capability_reply cp;
3955
3956 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3957 /* Change the IO capability from KeyboardDisplay
3958 * to DisplayYesNo as it is not supported by BT spec. */
3959 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3960 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3961
3962 /* If we are initiators, there is no remote information yet */
3963 if (conn->remote_auth == 0xff) {
b16c6604 3964 /* Request MITM protection if our IO caps allow it
4ad51a75 3965 * except for the no-bonding case.
b16c6604 3966 */
6fd6b915 3967 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3968 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3969 conn->auth_type |= 0x01;
b7f94c88
MA		 3970 } else {
3971 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3972 }
17fa4b9d 3973
82c295b1
JH		 3974 /* If we're not bondable, force one of the non-bondable
3975 * authentication requirement values.
3976 */
3977 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3978 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3979
3980 cp.authentication = conn->auth_type;
a83ed81e 3981 cp.oob_data = bredr_oob_data_present(conn);
ce85ee13 3982
17fa4b9d 3983 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3984 sizeof(cp), &cp);
03b555e1
JH		 3985 } else {
3986 struct hci_cp_io_capability_neg_reply cp;
3987
3988 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3989 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3990
03b555e1 3991 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3992 sizeof(cp), &cp);
03b555e1
JH		 3993 }
3994
3995unlock:
3996 hci_dev_unlock(hdev);
3997}
3998
6039aa73 3999static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 4000{
4001 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
4002 struct hci_conn *conn;
4003
4004 BT_DBG("%s", hdev->name);
4005
4006 hci_dev_lock(hdev);
4007
4008 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4009 if (!conn)
4010 goto unlock;
4011
03b555e1 4012 conn->remote_cap = ev->capability;
03b555e1 4013 conn->remote_auth = ev->authentication;
58a681ef
JH		 4014 if (ev->oob_data)
4015 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 4016
4017unlock:
0493684e
MH		 4018 hci_dev_unlock(hdev);
4019}
4020
6039aa73
GP		 4021static void hci_user_confirm_request_evt(struct hci_dev *hdev,
4022 struct sk_buff *skb)
a5c29683
JH		 4023{
4024 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 4025 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 4026 struct hci_conn *conn;
a5c29683
JH		 4027
4028 BT_DBG("%s", hdev->name);
4029
4030 hci_dev_lock(hdev);
4031
a8b2d5c2 4032 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 4033 goto unlock;
a5c29683 4034
7a828908
JH		 4035 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4036 if (!conn)
4037 goto unlock;
4038
4039 loc_mitm = (conn->auth_type & 0x01);
4040 rem_mitm = (conn->remote_auth & 0x01);
4041
4042 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 4043 * (it has NoInputNoOutput) then reject the confirmation
4044 * request. We check the security level here since it doesn't
4045 * necessarily match conn->auth_type.
6fd6b915 4046 */
6c53823a
JH		 4047 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
4048 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 4049 BT_DBG("Rejecting request: remote device can't provide MITM");
4050 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 4051 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4052 goto unlock;
4053 }
4054
4055 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 4056 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
4057 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 4058
4059 /* If we're not the initiators request authorization to
4060 * proceed from user space (mgmt_user_confirm with
ba15a58b 4061 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 4062 * side had MITM or if the local IO capability is
4063 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 4064 */
4065 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 4066 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 4067 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 4068 BT_DBG("Confirming auto-accept as acceptor");
4069 confirm_hint = 1;
4070 goto confirm;
4071 }
4072
9f61656a 4073 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 4074 hdev->auto_accept_delay);
9f61656a
JH		 4075
4076 if (hdev->auto_accept_delay > 0) {
4077 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 4078 queue_delayed_work(conn->hdev->workqueue,
4079 &conn->auto_accept_work, delay);
9f61656a
JH		 4080 goto unlock;
4081 }
4082
7a828908 4083 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 4084 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4085 goto unlock;
4086 }
4087
55bc1a37 4088confirm:
39adbffe
JH		 4089 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
4090 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 4091
4092unlock:
a5c29683
JH		 4093 hci_dev_unlock(hdev);
4094}
4095
6039aa73
GP		 4096static void hci_user_passkey_request_evt(struct hci_dev *hdev,
4097 struct sk_buff *skb)
1143d458
BG		 4098{
4099 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
4100
4101 BT_DBG("%s", hdev->name);
4102
a8b2d5c2 4103 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 4104 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 4105}
4106
92a25256
JH		 4107static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
4108 struct sk_buff *skb)
4109{
4110 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
4111 struct hci_conn *conn;
4112
4113 BT_DBG("%s", hdev->name);
4114
4115 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4116 if (!conn)
4117 return;
4118
4119 conn->passkey_notify = __le32_to_cpu(ev->passkey);
4120 conn->passkey_entered = 0;
4121
4122 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4123 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4124 conn->dst_type, conn->passkey_notify,
4125 conn->passkey_entered);
4126}
4127
4128static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
4129{
4130 struct hci_ev_keypress_notify *ev = (void *) skb->data;
4131 struct hci_conn *conn;
4132
4133 BT_DBG("%s", hdev->name);
4134
4135 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4136 if (!conn)
4137 return;
4138
4139 switch (ev->type) {
4140 case HCI_KEYPRESS_STARTED:
4141 conn->passkey_entered = 0;
4142 return;
4143
4144 case HCI_KEYPRESS_ENTERED:
4145 conn->passkey_entered++;
4146 break;
4147
4148 case HCI_KEYPRESS_ERASED:
4149 conn->passkey_entered--;
4150 break;
4151
4152 case HCI_KEYPRESS_CLEARED:
4153 conn->passkey_entered = 0;
4154 break;
4155
4156 case HCI_KEYPRESS_COMPLETED:
4157 return;
4158 }
4159
4160 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4161 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4162 conn->dst_type, conn->passkey_notify,
4163 conn->passkey_entered);
4164}
4165
6039aa73
GP		 4166static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
4167 struct sk_buff *skb)
0493684e
MH		 4168{
4169 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
4170 struct hci_conn *conn;
4171
4172 BT_DBG("%s", hdev->name);
4173
4174 hci_dev_lock(hdev);
4175
4176 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 4177 if (!conn)
4178 goto unlock;
4179
c1d4fa7a
JH		 4180 /* Reset the authentication requirement to unknown */
4181 conn->remote_auth = 0xff;
4182
2a611692
JH		 4183 /* To avoid duplicate auth_failed events to user space we check
4184 * the HCI_CONN_AUTH_PEND flag which will be set if we
4185 * initiated the authentication. A traditional auth_complete
4186 * event gets always produced as initiator and is also mapped to
4187 * the mgmt_auth_failed event */
fa1bd918 4188 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 4189 mgmt_auth_failed(conn, ev->status);
0493684e 4190
76a68ba0 4191 hci_conn_drop(conn);
2a611692
JH		 4192
4193unlock:
0493684e
MH		 4194 hci_dev_unlock(hdev);
4195}
4196
6039aa73
GP		 4197static void hci_remote_host_features_evt(struct hci_dev *hdev,
4198 struct sk_buff *skb)
41a96212
MH		 4199{
4200 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4201 struct inquiry_entry *ie;
cad718ed 4202 struct hci_conn *conn;
41a96212
MH		 4203
4204 BT_DBG("%s", hdev->name);
4205
4206 hci_dev_lock(hdev);
4207
cad718ed
JH		 4208 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4209 if (conn)
4210 memcpy(conn->features[1], ev->features, 8);
4211
cc11b9c1
AE		 4212 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4213 if (ie)
02b7cc62 4214 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 4215
4216 hci_dev_unlock(hdev);
4217}
4218
6039aa73
GP		 4219static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4220 struct sk_buff *skb)
2763eda6
SJ		 4221{
4222 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4223 struct oob_data *data;
4224
4225 BT_DBG("%s", hdev->name);
4226
4227 hci_dev_lock(hdev);
4228
a8b2d5c2 4229 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 4230 goto unlock;
4231
6928a924 4232 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
6665d057
MH		 4233 if (!data) {
4234 struct hci_cp_remote_oob_data_neg_reply cp;
519ca9d0 4235
6665d057
MH		 4236 bacpy(&cp.bdaddr, &ev->bdaddr);
4237 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4238 sizeof(cp), &cp);
4239 goto unlock;
4240 }
2763eda6 4241
6665d057
MH		 4242 if (bredr_sc_enabled(hdev)) {
4243 struct hci_cp_remote_oob_ext_data_reply cp;
519ca9d0 4244
6665d057
MH		 4245 bacpy(&cp.bdaddr, &ev->bdaddr);
4246 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
4247 memset(cp.hash192, 0, sizeof(cp.hash192));
4248 memset(cp.rand192, 0, sizeof(cp.rand192));
4249 } else {
4250 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4251 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
519ca9d0 4252 }
6665d057
MH		 4253 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4254 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4255
4256 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4257 sizeof(cp), &cp);
2763eda6 4258 } else {
6665d057 4259 struct hci_cp_remote_oob_data_reply cp;
2763eda6
SJ		 4260
4261 bacpy(&cp.bdaddr, &ev->bdaddr);
6665d057
MH		 4262 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4263 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4264
4265 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
519ca9d0 4266 sizeof(cp), &cp);
2763eda6
SJ		 4267 }
4268
e1ba1f15 4269unlock:
2763eda6
SJ		 4270 hci_dev_unlock(hdev);
4271}
4272
d5e91192
AE		 4273static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4274 struct sk_buff *skb)
4275{
4276 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4277 struct hci_conn *hcon, *bredr_hcon;
4278
4279 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4280 ev->status);
4281
4282 hci_dev_lock(hdev);
4283
4284 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4285 if (!hcon) {
4286 hci_dev_unlock(hdev);
4287 return;
4288 }
4289
4290 if (ev->status) {
4291 hci_conn_del(hcon);
4292 hci_dev_unlock(hdev);
4293 return;
4294 }
4295
4296 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4297
4298 hcon->state = BT_CONNECTED;
4299 bacpy(&hcon->dst, &bredr_hcon->dst);
4300
4301 hci_conn_hold(hcon);
4302 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4303 hci_conn_drop(hcon);
d5e91192 4304
23b9ceb7 4305 hci_debugfs_create_conn(hcon);
d5e91192
AE		 4306 hci_conn_add_sysfs(hcon);
4307
cf70ff22 4308 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4309
cf70ff22 4310 hci_dev_unlock(hdev);
d5e91192
AE		 4311}
4312
27695fb4
AE		 4313static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4314{
4315 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4316 struct hci_conn *hcon;
4317 struct hci_chan *hchan;
4318 struct amp_mgr *mgr;
4319
4320 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4321 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4322 ev->status);
4323
4324 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4325 if (!hcon)
4326 return;
4327
4328 /* Create AMP hchan */
4329 hchan = hci_chan_create(hcon);
4330 if (!hchan)
4331 return;
4332
4333 hchan->handle = le16_to_cpu(ev->handle);
4334
4335 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4336
4337 mgr = hcon->amp_mgr;
4338 if (mgr && mgr->bredr_chan) {
4339 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4340
4341 l2cap_chan_lock(bredr_chan);
4342
4343 bredr_chan->conn->mtu = hdev->block_mtu;
4344 l2cap_logical_cfm(bredr_chan, hchan, 0);
4345 hci_conn_hold(hcon);
4346
4347 l2cap_chan_unlock(bredr_chan);
4348 }
4349}
4350
606e2a10
AE		 4351static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4352 struct sk_buff *skb)
4353{
4354 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4355 struct hci_chan *hchan;
4356
4357 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4358 le16_to_cpu(ev->handle), ev->status);
4359
4360 if (ev->status)
4361 return;
4362
4363 hci_dev_lock(hdev);
4364
4365 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4366 if (!hchan)
4367 goto unlock;
4368
4369 amp_destroy_logical_link(hchan, ev->reason);
4370
4371unlock:
4372 hci_dev_unlock(hdev);
4373}
4374
9eef6b3a
AE		 4375static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4376 struct sk_buff *skb)
4377{
4378 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4379 struct hci_conn *hcon;
4380
4381 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4382
4383 if (ev->status)
4384 return;
4385
4386 hci_dev_lock(hdev);
4387
4388 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4389 if (hcon) {
4390 hcon->state = BT_CLOSED;
4391 hci_conn_del(hcon);
4392 }
4393
4394 hci_dev_unlock(hdev);
4395}
4396
6039aa73 4397static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4398{
4399 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4400 struct hci_conn_params *params;
fcd89c09 4401 struct hci_conn *conn;
68d6f6de 4402 struct smp_irk *irk;
837d502e 4403 u8 addr_type;
fcd89c09 4404
9f1db00c 4405 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4406
4407 hci_dev_lock(hdev);
4408
fbd96c15
JH		 4409 /* All controllers implicitly stop advertising in the event of a
4410 * connection, so ensure that the state bit is cleared.
4411 */
4412 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4413
b47a09b3 4414 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4415 if (!conn) {
a5c4e309 4416 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4417 if (!conn) {
4418 BT_ERR("No memory for new connection");
230fd16a 4419 goto unlock;
b62f328b 4420 }
29b7988a
AG		 4421
4422 conn->dst_type = ev->bdaddr_type;
b9b343d2 4423
cb1d68f7
JH		 4424 /* If we didn't have a hci_conn object previously
4425 * but we're in master role this must be something
4426 * initiated using a white list. Since white list based
4427 * connections are not "first class citizens" we don't
4428 * have full tracking of them. Therefore, we go ahead
4429 * with a "best effort" approach of determining the
4430 * initiator address based on the HCI_PRIVACY flag.
4431 */
4432 if (conn->out) {
4433 conn->resp_addr_type = ev->bdaddr_type;
4434 bacpy(&conn->resp_addr, &ev->bdaddr);
4435 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4436 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4437 bacpy(&conn->init_addr, &hdev->rpa);
4438 } else {
4439 hci_copy_identity_address(hdev,
4440 &conn->init_addr,
4441 &conn->init_addr_type);
4442 }
cb1d68f7 4443 }
9489eca4
JH		 4444 } else {
4445 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4446 }
fcd89c09 4447
80c24ab8
JH		 4448 if (!conn->out) {
4449 /* Set the responder (our side) address type based on
4450 * the advertising address type.
4451 */
4452 conn->resp_addr_type = hdev->adv_addr_type;
4453 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4454 bacpy(&conn->resp_addr, &hdev->random_addr);
4455 else
4456 bacpy(&conn->resp_addr, &hdev->bdaddr);
4457
4458 conn->init_addr_type = ev->bdaddr_type;
4459 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4460
4461 /* For incoming connections, set the default minimum
4462 * and maximum connection interval. They will be used
4463 * to check if the parameters are in range and if not
4464 * trigger the connection update procedure.
4465 */
4466 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4467 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4468 }
7be2edbb 4469
edb4b466
MH		 4470 /* Lookup the identity address from the stored connection
4471 * address and address type.
4472 *
4473 * When establishing connections to an identity address, the
4474 * connection procedure will store the resolvable random
4475 * address first. Now if it can be converted back into the
4476 * identity address, start using the identity address from
4477 * now on.
4478 */
4479 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4480 if (irk) {
4481 bacpy(&conn->dst, &irk->bdaddr);
4482 conn->dst_type = irk->addr_type;
4483 }
4484
2d3c2260
JH		 4485 if (ev->status) {
4486 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4487 goto unlock;
4488 }
4489
08853f18
JH		 4490 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4491 addr_type = BDADDR_LE_PUBLIC;
4492 else
4493 addr_type = BDADDR_LE_RANDOM;
4494
2d3c2260
JH		 4495 /* Drop the connection if the device is blocked */
4496 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4497 hci_conn_drop(conn);
cd17decb
AG		 4498 goto unlock;
4499 }
4500
b644ba33 4501 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4502 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4503
7b5c0d52 4504 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4505 conn->handle = __le16_to_cpu(ev->handle);
4506 conn->state = BT_CONNECTED;
4507
e04fde60
MH		 4508 conn->le_conn_interval = le16_to_cpu(ev->interval);
4509 conn->le_conn_latency = le16_to_cpu(ev->latency);
4510 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4511
23b9ceb7 4512 hci_debugfs_create_conn(conn);
fcd89c09
VT		 4513 hci_conn_add_sysfs(conn);
4514
4515 hci_proto_connect_cfm(conn, ev->status);
4516
5477610f
JH		 4517 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4518 conn->dst_type);
f161dd41 4519 if (params) {
95305baa 4520 list_del_init(&params->action);
f161dd41
JH		 4521 if (params->conn) {
4522 hci_conn_drop(params->conn);
f8aaf9b6 4523 hci_conn_put(params->conn);
f161dd41
JH		 4524 params->conn = NULL;
4525 }
4526 }
a4790dbd 4527
fcd89c09 4528unlock:
223683a5 4529 hci_update_background_scan(hdev);
fcd89c09
VT		 4530 hci_dev_unlock(hdev);
4531}
4532
1855d92d
MH		 4533static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4534 struct sk_buff *skb)
4535{
4536 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4537 struct hci_conn *conn;
4538
4539 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4540
4541 if (ev->status)
4542 return;
4543
4544 hci_dev_lock(hdev);
4545
4546 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4547 if (conn) {
4548 conn->le_conn_interval = le16_to_cpu(ev->interval);
4549 conn->le_conn_latency = le16_to_cpu(ev->latency);
4550 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4551 }
4552
4553 hci_dev_unlock(hdev);
4554}
4555
a4790dbd 4556/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4557static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4558 bdaddr_t *addr,
4559 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4560{
4561 struct hci_conn *conn;
4b9e7e75 4562 struct hci_conn_params *params;
a4790dbd 4563
1c1abcab
JH		 4564 /* If the event is not connectable don't proceed further */
4565 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4566 return NULL;
1c1abcab
JH		 4567
4568 /* Ignore if the device is blocked */
dcc36c16 4569 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4570 return NULL;
1c1abcab 4571
f99353cf
JH		 4572 /* Most controller will fail if we try to create new connections
4573 * while we have an existing one in slave role.
4574 */
4575 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4576 return NULL;
f99353cf 4577
1c1abcab
JH		 4578 /* If we're not connectable only connect devices that we have in
4579 * our pend_le_conns list.
4580 */
4b9e7e75
MH		 4581 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4582 addr, addr_type);
4583 if (!params)
fd45ada9 4584 return NULL;
4b9e7e75
MH		 4585
4586 switch (params->auto_connect) {
4587 case HCI_AUTO_CONN_DIRECT:
4588 /* Only devices advertising with ADV_DIRECT_IND are
4589 * triggering a connection attempt. This is allowing
4590 * incoming connections from slave devices.
4591 */
4592 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4593 return NULL;
4b9e7e75
MH		 4594 break;
4595 case HCI_AUTO_CONN_ALWAYS:
4596 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4597 * are triggering a connection attempt. This means
4598 * that incoming connectioms from slave device are
4599 * accepted and also outgoing connections to slave
4600 * devices are established when found.
4601 */
4602 break;
4603 default:
fd45ada9 4604 return NULL;
4b9e7e75 4605 }
a4790dbd
AG		 4606
4607 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4608 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4609 if (!IS_ERR(conn)) {
4610 /* Store the pointer since we don't really have any
4611 * other owner of the object besides the params that
4612 * triggered it. This way we can abort the connection if
4613 * the parameters get removed and keep the reference
4614 * count consistent once the connection is established.
4615 */
f8aaf9b6 4616 params->conn = hci_conn_get(conn);
fd45ada9 4617 return conn;
f161dd41 4618 }
a4790dbd
AG		 4619
4620 switch (PTR_ERR(conn)) {
4621 case -EBUSY:
4622 /* If hci_connect() returns -EBUSY it means there is already
4623 * an LE connection attempt going on. Since controllers don't
4624 * support more than one connection attempt at the time, we
4625 * don't consider this an error case.
4626 */
4627 break;
4628 default:
4629 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4630 return NULL;
a4790dbd 4631 }
fd45ada9
AA		 4632
4633 return NULL;
a4790dbd
AG		 4634}
4635
4af605d8 4636static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
2f010b55
MH		 4637 u8 bdaddr_type, bdaddr_t *direct_addr,
4638 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4af605d8 4639{
b9a6328f 4640 struct discovery_state *d = &hdev->discovery;
1c1abcab 4641 struct smp_irk *irk;
fd45ada9 4642 struct hci_conn *conn;
474ee066 4643 bool match;
c70a7e4c 4644 u32 flags;
b9a6328f 4645
2f010b55
MH		 4646 /* If the direct address is present, then this report is from
4647 * a LE Direct Advertising Report event. In that case it is
4648 * important to see if the address is matching the local
4649 * controller address.
4650 */
4651 if (direct_addr) {
4652 /* Only resolvable random addresses are valid for these
4653 * kind of reports and others can be ignored.
4654 */
4655 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4656 return;
4657
4658 /* If the controller is not using resolvable random
4659 * addresses, then this report can be ignored.
4660 */
4661 if (!test_bit(HCI_PRIVACY, &hdev->dev_flags))
4662 return;
4663
4664 /* If the local IRK of the controller does not match
4665 * with the resolvable random address provided, then
4666 * this report can be ignored.
4667 */
4668 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4669 return;
4670 }
4671
1c1abcab
JH		 4672 /* Check if we need to convert to identity address */
4673 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4674 if (irk) {
4675 bdaddr = &irk->bdaddr;
4676 bdaddr_type = irk->addr_type;
4677 }
4678
4679 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4680 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4681 if (conn && type == LE_ADV_IND) {
4682 /* Store report for later inclusion by
4683 * mgmt_device_connected
4684 */
4685 memcpy(conn->le_adv_data, data, len);
4686 conn->le_adv_data_len = len;
4687 }
1c1abcab 4688
0d2bf134
JH		 4689 /* Passive scanning shouldn't trigger any device found events,
4690 * except for devices marked as CONN_REPORT for which we do send
4691 * device found events.
4692 */
ca5c4be7 4693 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4694 if (type == LE_ADV_DIRECT_IND)
4695 return;
4696
3a19b6fe
JH		 4697 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4698 bdaddr, bdaddr_type))
0d2bf134
JH		 4699 return;
4700
4701 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4702 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4703 else
4704 flags = 0;
4705 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4706 rssi, flags, data, len, NULL, 0);
97bf2e99 4707 return;
ca5c4be7 4708 }
4af605d8 4709
c70a7e4c
MH		 4710 /* When receiving non-connectable or scannable undirected
4711 * advertising reports, this means that the remote device is
4712 * not connectable and then clearly indicate this in the
4713 * device found event.
4714 *
4715 * When receiving a scan response, then there is no way to
4716 * know if the remote device is connectable or not. However
4717 * since scan responses are merged with a previously seen
4718 * advertising report, the flags field from that report
4719 * will be used.
4720 *
4721 * In the really unlikely case that a controller get confused
4722 * and just sends a scan response event, then it is marked as
4723 * not connectable as well.
4724 */
4725 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4726 type == LE_ADV_SCAN_RSP)
4727 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4728 else
4729 flags = 0;
4730
b9a6328f
JH		 4731 /* If there's nothing pending either store the data from this
4732 * event or send an immediate device found event if the data
4733 * should not be stored for later.
4734 */
4735 if (!has_pending_adv_report(hdev)) {
4736 /* If the report will trigger a SCAN_REQ store it for
4737 * later merging.
4738 */
4739 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4740 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4741 rssi, flags, data, len);
b9a6328f
JH		 4742 return;
4743 }
4744
4745 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4746 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4747 return;
4748 }
4749
474ee066
JH		 4750 /* Check if the pending report is for the same device as the new one */
4751 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4752 bdaddr_type == d->last_adv_addr_type);
4753
b9a6328f
JH		 4754 /* If the pending data doesn't match this report or this isn't a
4755 * scan response (e.g. we got a duplicate ADV_IND) then force
4756 * sending of the pending data.
4757 */
474ee066
JH		 4758 if (type != LE_ADV_SCAN_RSP || !match) {
4759 /* Send out whatever is in the cache, but skip duplicates */
4760 if (!match)
4761 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4762 d->last_adv_addr_type, NULL,
c70a7e4c 4763 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4764 d->last_adv_data,
474ee066 4765 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4766
4767 /* If the new report will trigger a SCAN_REQ store it for
4768 * later merging.
4769 */
4770 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4771 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4772 rssi, flags, data, len);
b9a6328f
JH		 4773 return;
4774 }
4775
4776 /* The advertising reports cannot be merged, so clear
4777 * the pending report and send out a device found event.
4778 */
4779 clear_pending_adv_report(hdev);
5c5b93e4 4780 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4781 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4782 return;
4783 }
4784
4785 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4786 * the new event is a SCAN_RSP. We can therefore proceed with
4787 * sending a merged device found event.
4788 */
4789 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4790 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4791 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4792 clear_pending_adv_report(hdev);
4af605d8
JH		 4793}
4794
6039aa73 4795static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4796{
e95beb41
AG		 4797 u8 num_reports = skb->data[0];
4798 void *ptr = &skb->data[1];
9aa04c91 4799
a4790dbd
AG		 4800 hci_dev_lock(hdev);
4801
e95beb41
AG		 4802 while (num_reports--) {
4803 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4804 s8 rssi;
a4790dbd 4805
3c9e9195 4806 rssi = ev->data[ev->length];
4af605d8 4807 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
2f010b55
MH		 4808 ev->bdaddr_type, NULL, 0, rssi,
4809 ev->data, ev->length);
3c9e9195 4810
e95beb41 4811 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4812 }
a4790dbd
AG		 4813
4814 hci_dev_unlock(hdev);
9aa04c91
AG		 4815}
4816
6039aa73 4817static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4818{
4819 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4820 struct hci_cp_le_ltk_reply cp;
bea710fe 4821 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4822 struct hci_conn *conn;
c9839a11 4823 struct smp_ltk *ltk;
a7a595f6 4824
9f1db00c 4825 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4826
4827 hci_dev_lock(hdev);
4828
4829 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4830 if (conn == NULL)
4831 goto not_found;
a7a595f6 4832
f3a73d97 4833 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
5378bc56 4834 if (!ltk)
bea710fe
VCG		 4835 goto not_found;
4836
5378bc56
JH		 4837 if (smp_ltk_is_sc(ltk)) {
4838 /* With SC both EDiv and Rand are set to zero */
4839 if (ev->ediv || ev->rand)
4840 goto not_found;
4841 } else {
4842 /* For non-SC keys check that EDiv and Rand match */
4843 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4844 goto not_found;
4845 }
4846
bea710fe 4847 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4848 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4849
a6f7833c 4850 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4851
89cbb4da 4852 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4853
4854 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4855
5981a882
CT		 4856 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4857 * temporary key used to encrypt a connection following
4858 * pairing. It is used during the Encrypted Session Setup to
4859 * distribute the keys. Later, security can be re-established
4860 * using a distributed LTK.
4861 */
2ceba539 4862 if (ltk->type == SMP_STK) {
fe59a05f 4863 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
970d0f1b
JH		 4864 list_del_rcu(&ltk->list);
4865 kfree_rcu(ltk, rcu);
fe59a05f
JH		 4866 } else {
4867 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4868 }
4869
a7a595f6 4870 hci_dev_unlock(hdev);
bea710fe
VCG		 4871
4872 return;
4873
4874not_found:
4875 neg.handle = ev->handle;
4876 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4877 hci_dev_unlock(hdev);
a7a595f6
VCG		 4878}
4879
8e75b46a
AG		 4880static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4881 u8 reason)
4882{
4883 struct hci_cp_le_conn_param_req_neg_reply cp;
4884
4885 cp.handle = cpu_to_le16(handle);
4886 cp.reason = reason;
4887
4888 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4889 &cp);
4890}
4891
4892static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4893 struct sk_buff *skb)
4894{
4895 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4896 struct hci_cp_le_conn_param_req_reply cp;
4897 struct hci_conn *hcon;
4898 u16 handle, min, max, latency, timeout;
4899
4900 handle = le16_to_cpu(ev->handle);
4901 min = le16_to_cpu(ev->interval_min);
4902 max = le16_to_cpu(ev->interval_max);
4903 latency = le16_to_cpu(ev->latency);
4904 timeout = le16_to_cpu(ev->timeout);
4905
4906 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4907 if (!hcon || hcon->state != BT_CONNECTED)
4908 return send_conn_param_neg_reply(hdev, handle,
4909 HCI_ERROR_UNKNOWN_CONN_ID);
4910
4911 if (hci_check_conn_params(min, max, latency, timeout))
4912 return send_conn_param_neg_reply(hdev, handle,
4913 HCI_ERROR_INVALID_LL_PARAMS);
4914
40bef302 4915 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4916 struct hci_conn_params *params;
f4869e2a 4917 u8 store_hint;
348d50b8
JH		 4918
4919 hci_dev_lock(hdev);
4920
4921 params = hci_conn_params_lookup(hdev, &hcon->dst,
4922 hcon->dst_type);
4923 if (params) {
4924 params->conn_min_interval = min;
4925 params->conn_max_interval = max;
4926 params->conn_latency = latency;
4927 params->supervision_timeout = timeout;
f4869e2a
JH		 4928 store_hint = 0x01;
4929 } else{
4930 store_hint = 0x00;
348d50b8
JH		 4931 }
4932
4933 hci_dev_unlock(hdev);
4934
f4869e2a
JH		 4935 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4936 store_hint, min, max, latency, timeout);
348d50b8 4937 }
ffb5a827 4938
8e75b46a
AG		 4939 cp.handle = ev->handle;
4940 cp.interval_min = ev->interval_min;
4941 cp.interval_max = ev->interval_max;
4942 cp.latency = ev->latency;
4943 cp.timeout = ev->timeout;
4944 cp.min_ce_len = 0;
4945 cp.max_ce_len = 0;
4946
4947 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4948}
4949
2f010b55
MH		 4950static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4951 struct sk_buff *skb)
4952{
4953 u8 num_reports = skb->data[0];
4954 void *ptr = &skb->data[1];
4955
4956 hci_dev_lock(hdev);
4957
4958 while (num_reports--) {
4959 struct hci_ev_le_direct_adv_info *ev = ptr;
4960
4961 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4962 ev->bdaddr_type, &ev->direct_addr,
4963 ev->direct_addr_type, ev->rssi, NULL, 0);
4964
4965 ptr += sizeof(*ev);
4966 }
4967
4968 hci_dev_unlock(hdev);
4969}
4970
6039aa73 4971static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4972{
4973 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4974
4975 skb_pull(skb, sizeof(*le_ev));
4976
4977 switch (le_ev->subevent) {
4978 case HCI_EV_LE_CONN_COMPLETE:
4979 hci_le_conn_complete_evt(hdev, skb);
4980 break;
4981
1855d92d
MH		 4982 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4983 hci_le_conn_update_complete_evt(hdev, skb);
4984 break;
4985
9aa04c91
AG		 4986 case HCI_EV_LE_ADVERTISING_REPORT:
4987 hci_le_adv_report_evt(hdev, skb);
4988 break;
4989
a7a595f6
VCG		 4990 case HCI_EV_LE_LTK_REQ:
4991 hci_le_ltk_request_evt(hdev, skb);
4992 break;
4993
8e75b46a
AG		 4994 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4995 hci_le_remote_conn_param_req_evt(hdev, skb);
4996 break;
4997
2f010b55
MH		 4998 case HCI_EV_LE_DIRECT_ADV_REPORT:
4999 hci_le_direct_adv_report_evt(hdev, skb);
5000 break;
5001
fcd89c09
VT		 5002 default:
5003 break;
5004 }
5005}
5006
9495b2ee
AE		 5007static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
5008{
5009 struct hci_ev_channel_selected *ev = (void *) skb->data;
5010 struct hci_conn *hcon;
5011
5012 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
5013
5014 skb_pull(skb, sizeof(*ev));
5015
5016 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
5017 if (!hcon)
5018 return;
5019
5020 amp_read_loc_assoc_final_data(hdev, hcon);
5021}
5022
a9de9248
MH		 5023void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
5024{
5025 struct hci_event_hdr *hdr = (void *) skb->data;
5026 __u8 event = hdr->evt;
5027
b6ddb638
JH		 5028 hci_dev_lock(hdev);
5029
5030 /* Received events are (currently) only needed when a request is
5031 * ongoing so avoid unnecessary memory allocation.
5032 */
899de765 5033 if (hci_req_pending(hdev)) {
b6ddb638
JH		 5034 kfree_skb(hdev->recv_evt);
5035 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
5036 }
5037
5038 hci_dev_unlock(hdev);
5039
a9de9248
MH		 5040 skb_pull(skb, HCI_EVENT_HDR_SIZE);
5041
02350a72 5042 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 5043 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
5044 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 5045
5046 hci_req_cmd_complete(hdev, opcode, 0);
5047 }
5048
a9de9248 5049 switch (event) {
1da177e4
LT		 5050 case HCI_EV_INQUIRY_COMPLETE:
5051 hci_inquiry_complete_evt(hdev, skb);
5052 break;
5053
5054 case HCI_EV_INQUIRY_RESULT:
5055 hci_inquiry_result_evt(hdev, skb);
5056 break;
5057
a9de9248
MH		 5058 case HCI_EV_CONN_COMPLETE:
5059 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 5060 break;
5061
1da177e4
LT		 5062 case HCI_EV_CONN_REQUEST:
5063 hci_conn_request_evt(hdev, skb);
5064 break;
5065
1da177e4
LT		 5066 case HCI_EV_DISCONN_COMPLETE:
5067 hci_disconn_complete_evt(hdev, skb);
5068 break;
5069
1da177e4
LT		 5070 case HCI_EV_AUTH_COMPLETE:
5071 hci_auth_complete_evt(hdev, skb);
5072 break;
5073
a9de9248
MH		 5074 case HCI_EV_REMOTE_NAME:
5075 hci_remote_name_evt(hdev, skb);
5076 break;
5077
1da177e4
LT		 5078 case HCI_EV_ENCRYPT_CHANGE:
5079 hci_encrypt_change_evt(hdev, skb);
5080 break;
5081
a9de9248
MH		 5082 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
5083 hci_change_link_key_complete_evt(hdev, skb);
5084 break;
5085
5086 case HCI_EV_REMOTE_FEATURES:
5087 hci_remote_features_evt(hdev, skb);
5088 break;
5089
a9de9248
MH		 5090 case HCI_EV_CMD_COMPLETE:
5091 hci_cmd_complete_evt(hdev, skb);
5092 break;
5093
5094 case HCI_EV_CMD_STATUS:
5095 hci_cmd_status_evt(hdev, skb);
5096 break;
5097
24dfa343
MH		 5098 case HCI_EV_HARDWARE_ERROR:
5099 hci_hardware_error_evt(hdev, skb);
5100 break;
5101
a9de9248
MH		 5102 case HCI_EV_ROLE_CHANGE:
5103 hci_role_change_evt(hdev, skb);
5104 break;
5105
5106 case HCI_EV_NUM_COMP_PKTS:
5107 hci_num_comp_pkts_evt(hdev, skb);
5108 break;
5109
5110 case HCI_EV_MODE_CHANGE:
5111 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 5112 break;
5113
5114 case HCI_EV_PIN_CODE_REQ:
5115 hci_pin_code_request_evt(hdev, skb);
5116 break;
5117
5118 case HCI_EV_LINK_KEY_REQ:
5119 hci_link_key_request_evt(hdev, skb);
5120 break;
5121
5122 case HCI_EV_LINK_KEY_NOTIFY:
5123 hci_link_key_notify_evt(hdev, skb);
5124 break;
5125
5126 case HCI_EV_CLOCK_OFFSET:
5127 hci_clock_offset_evt(hdev, skb);
5128 break;
5129
a8746417
MH		 5130 case HCI_EV_PKT_TYPE_CHANGE:
5131 hci_pkt_type_change_evt(hdev, skb);
5132 break;
5133
85a1e930
MH		 5134 case HCI_EV_PSCAN_REP_MODE:
5135 hci_pscan_rep_mode_evt(hdev, skb);
5136 break;
5137
a9de9248
MH		 5138 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
5139 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 5140 break;
5141
a9de9248
MH		 5142 case HCI_EV_REMOTE_EXT_FEATURES:
5143 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 5144 break;
5145
a9de9248
MH		 5146 case HCI_EV_SYNC_CONN_COMPLETE:
5147 hci_sync_conn_complete_evt(hdev, skb);
5148 break;
1da177e4 5149
a9de9248
MH		 5150 case HCI_EV_EXTENDED_INQUIRY_RESULT:
5151 hci_extended_inquiry_result_evt(hdev, skb);
5152 break;
1da177e4 5153
1c2e0041
JH		 5154 case HCI_EV_KEY_REFRESH_COMPLETE:
5155 hci_key_refresh_complete_evt(hdev, skb);
5156 break;
5157
0493684e
MH		 5158 case HCI_EV_IO_CAPA_REQUEST:
5159 hci_io_capa_request_evt(hdev, skb);
5160 break;
5161
03b555e1
JH		 5162 case HCI_EV_IO_CAPA_REPLY:
5163 hci_io_capa_reply_evt(hdev, skb);
5164 break;
5165
a5c29683
JH		 5166 case HCI_EV_USER_CONFIRM_REQUEST:
5167 hci_user_confirm_request_evt(hdev, skb);
5168 break;
5169
1143d458
BG		 5170 case HCI_EV_USER_PASSKEY_REQUEST:
5171 hci_user_passkey_request_evt(hdev, skb);
5172 break;
5173
92a25256
JH		 5174 case HCI_EV_USER_PASSKEY_NOTIFY:
5175 hci_user_passkey_notify_evt(hdev, skb);
5176 break;
5177
5178 case HCI_EV_KEYPRESS_NOTIFY:
5179 hci_keypress_notify_evt(hdev, skb);
5180 break;
5181
0493684e
MH		 5182 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5183 hci_simple_pair_complete_evt(hdev, skb);
5184 break;
5185
41a96212
MH		 5186 case HCI_EV_REMOTE_HOST_FEATURES:
5187 hci_remote_host_features_evt(hdev, skb);
5188 break;
5189
fcd89c09
VT		 5190 case HCI_EV_LE_META:
5191 hci_le_meta_evt(hdev, skb);
5192 break;
5193
9495b2ee
AE		 5194 case HCI_EV_CHANNEL_SELECTED:
5195 hci_chan_selected_evt(hdev, skb);
5196 break;
5197
2763eda6
SJ		 5198 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5199 hci_remote_oob_data_request_evt(hdev, skb);
5200 break;
5201
d5e91192
AE		 5202 case HCI_EV_PHY_LINK_COMPLETE:
5203 hci_phy_link_complete_evt(hdev, skb);
5204 break;
5205
27695fb4
AE		 5206 case HCI_EV_LOGICAL_LINK_COMPLETE:
5207 hci_loglink_complete_evt(hdev, skb);
5208 break;
5209
606e2a10
AE		 5210 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5211 hci_disconn_loglink_complete_evt(hdev, skb);
5212 break;
5213
9eef6b3a
AE		 5214 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5215 hci_disconn_phylink_complete_evt(hdev, skb);
5216 break;
5217
25e89e99
AE		 5218 case HCI_EV_NUM_COMP_BLOCKS:
5219 hci_num_comp_blocks_evt(hdev, skb);
5220 break;
5221
a9de9248 5222 default:
9f1db00c 5223 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 5224 break;
5225 }
5226
5227 kfree_skb(skb);
5228 hdev->stat.evt_rx++;
5229}
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