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Bluetooth: Add clarifying comment to command status handling
[mirror_ubuntu-bionic-kernel.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
0857dd3b 33#include "hci_request.h"
23b9ceb7 34#include "hci_debugfs.h"
7024728e 35#include "a2mp.h"
7ef9fbf0 36#include "amp.h"
2ceba539 37#include "smp.h"
1da177e4 38
aa5b0345
MH		 39#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
40 "\x00\x00\x00\x00\x00\x00\x00\x00"
41
1da177e4
LT		 42/* Handle HCI Event packets */
43
a9de9248 44static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 45{
a9de9248 46 __u8 status = *((__u8 *) skb->data);
1da177e4 47
9f1db00c 48 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 49
82f4785c 50 if (status)
a9de9248 51 return;
1da177e4 52
89352e7d 53 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 54 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 55 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 56
50143a43
JH		 57 hci_dev_lock(hdev);
58 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
59 hci_dev_unlock(hdev);
60
a9de9248
MH		 61 hci_conn_check_pending(hdev);
62}
6bd57416 63
4d93483b
AG		 64static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
65{
66 __u8 status = *((__u8 *) skb->data);
67
9f1db00c 68 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 69
70 if (status)
71 return;
72
a1536da2 73 hci_dev_set_flag(hdev, HCI_PERIODIC_INQ);
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
a358dc11 85 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ);
ae854a70 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 */
eacb44df 201 hci_dev_clear_volatile_flags(hdev);
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
d7a5a11d 268 if (hci_dev_test_flag(hdev, HCI_MGMT))
f51d5b24 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
d7a5a11d
MH		 285 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
286 hci_dev_test_flag(hdev, HCI_CONFIG))
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
d7a5a11d 312 if (hci_dev_test_flag(hdev, HCI_MGMT))
33ef95ed 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
d7a5a11d 407 if (hci_dev_test_flag(hdev, HCI_MGMT))
7f9a903c
MH		 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
d7a5a11d 500 if (hci_dev_test_flag(hdev, HCI_MGMT))
5ed8eb2f 501 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 502 else if (!status) {
5ed8eb2f 503 if (sent->mode)
a1536da2 504 hci_dev_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 505 else
a358dc11 506 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 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
d7a5a11d 532 if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) {
eac83dc6 533 if (sent->support)
a1536da2 534 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
eac83dc6 535 else
a358dc11 536 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
eac83dc6 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
d7a5a11d
MH		 551 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
552 hci_dev_test_flag(hdev, HCI_CONFIG)) {
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
d7a5a11d
MH		 571 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
572 hci_dev_test_flag(hdev, HCI_CONFIG))
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 693
d7a5a11d 694 if (hci_dev_test_flag(hdev, HCI_SETUP))
e30d3f5f 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
d7a5a11d 903 if (hci_dev_test_flag(hdev, HCI_MGMT))
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
d7a5a11d 929 if (hci_dev_test_flag(hdev, HCI_MGMT))
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
d7a5a11d 988 if (hci_dev_test_flag(hdev, HCI_MGMT))
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
d7a5a11d 1004 if (hci_dev_test_flag(hdev, HCI_MGMT))
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
d7a5a11d 1019 if (hci_dev_test_flag(hdev, HCI_MGMT))
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
d7a5a11d 1035 if (hci_dev_test_flag(hdev, HCI_MGMT))
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		 1069static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1070{
1071 __u8 status = *((__u8 *) skb->data);
1072 bdaddr_t *sent;
1073
1074 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1075
45296acd
MH		 1076 if (status)
1077 return;
1078
7a4cd51d
MH		 1079 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1080 if (!sent)
1081 return;
1082
1083 hci_dev_lock(hdev);
1084
45296acd 1085 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1086
1087 hci_dev_unlock(hdev);
1088}
1089
c1d5dc4a
JH		 1090static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1091{
1092 __u8 *sent, status = *((__u8 *) skb->data);
1093
1094 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1095
45296acd 1096 if (status)
c1d5dc4a
JH		 1097 return;
1098
45296acd
MH		 1099 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1100 if (!sent)
3c857757
JH		 1101 return;
1102
c1d5dc4a
JH		 1103 hci_dev_lock(hdev);
1104
49c922bb 1105 /* If we're doing connection initiation as peripheral. Set a
3c857757
JH		 1106 * timeout in case something goes wrong.
1107 */
1108 if (*sent) {
1109 struct hci_conn *conn;
1110
a1536da2 1111 hci_dev_set_flag(hdev, HCI_LE_ADV);
66c417c1 1112
3c857757
JH		 1113 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1114 if (conn)
1115 queue_delayed_work(hdev->workqueue,
1116 &conn->le_conn_timeout,
09ae260b 1117 conn->conn_timeout);
66c417c1 1118 } else {
a358dc11 1119 hci_dev_clear_flag(hdev, HCI_LE_ADV);
3c857757
JH		 1120 }
1121
04b4edcb 1122 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1123}
1124
533553f8
MH		 1125static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1126{
1127 struct hci_cp_le_set_scan_param *cp;
1128 __u8 status = *((__u8 *) skb->data);
1129
1130 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1131
45296acd
MH		 1132 if (status)
1133 return;
1134
533553f8
MH		 1135 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1136 if (!cp)
1137 return;
1138
1139 hci_dev_lock(hdev);
1140
45296acd 1141 hdev->le_scan_type = cp->type;
533553f8
MH		 1142
1143 hci_dev_unlock(hdev);
1144}
1145
b9a6328f
JH		 1146static bool has_pending_adv_report(struct hci_dev *hdev)
1147{
1148 struct discovery_state *d = &hdev->discovery;
1149
1150 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1151}
1152
1153static void clear_pending_adv_report(struct hci_dev *hdev)
1154{
1155 struct discovery_state *d = &hdev->discovery;
1156
1157 bacpy(&d->last_adv_addr, BDADDR_ANY);
1158 d->last_adv_data_len = 0;
1159}
1160
1161static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1162 u8 bdaddr_type, s8 rssi, u32 flags,
1163 u8 *data, u8 len)
b9a6328f
JH		 1164{
1165 struct discovery_state *d = &hdev->discovery;
1166
1167 bacpy(&d->last_adv_addr, bdaddr);
1168 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1169 d->last_adv_rssi = rssi;
c70a7e4c 1170 d->last_adv_flags = flags;
b9a6328f
JH		 1171 memcpy(d->last_adv_data, data, len);
1172 d->last_adv_data_len = len;
1173}
1174
eb9d91f5 1175static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1176 struct sk_buff *skb)
eb9d91f5
AG		 1177{
1178 struct hci_cp_le_set_scan_enable *cp;
1179 __u8 status = *((__u8 *) skb->data);
1180
9f1db00c 1181 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1182
45296acd 1183 if (status)
eb9d91f5
AG		 1184 return;
1185
45296acd
MH		 1186 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1187 if (!cp)
3fd319b8
AG		 1188 return;
1189
5c1a4c8f
JK		 1190 hci_dev_lock(hdev);
1191
68a8aea4 1192 switch (cp->enable) {
76a388be 1193 case LE_SCAN_ENABLE:
a1536da2 1194 hci_dev_set_flag(hdev, HCI_LE_SCAN);
b9a6328f
JH		 1195 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1196 clear_pending_adv_report(hdev);
68a8aea4
AE		 1197 break;
1198
76a388be 1199 case LE_SCAN_DISABLE:
b9a6328f
JH		 1200 /* We do this here instead of when setting DISCOVERY_STOPPED
1201 * since the latter would potentially require waiting for
1202 * inquiry to stop too.
1203 */
1204 if (has_pending_adv_report(hdev)) {
1205 struct discovery_state *d = &hdev->discovery;
1206
1207 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1208 d->last_adv_addr_type, NULL,
c70a7e4c 1209 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1210 d->last_adv_data,
b9a6328f
JH		 1211 d->last_adv_data_len, NULL, 0);
1212 }
1213
317ac8cb
JH		 1214 /* Cancel this timer so that we don't try to disable scanning
1215 * when it's already disabled.
1216 */
1217 cancel_delayed_work(&hdev->le_scan_disable);
1218
a358dc11 1219 hci_dev_clear_flag(hdev, HCI_LE_SCAN);
e8bb6b97 1220
81ad6fd9
JH		 1221 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1222 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1223 * therefore discovery as stopped. If this was not
1224 * because of a connect request advertising might have
1225 * been disabled because of active scanning, so
1226 * re-enable it again if necessary.
81ad6fd9 1227 */
a69d8927 1228 if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED))
81ad6fd9 1229 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
d7a5a11d 1230 else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) &&
34722277 1231 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1232 mgmt_reenable_advertising(hdev);
1233
68a8aea4
AE		 1234 break;
1235
1236 default:
1237 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1238 break;
35815085 1239 }
5c1a4c8f
JK		 1240
1241 hci_dev_unlock(hdev);
eb9d91f5
AG		 1242}
1243
cf1d081f
JH		 1244static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1245 struct sk_buff *skb)
1246{
1247 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1248
1249 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1250
45296acd
MH		 1251 if (rp->status)
1252 return;
1253
1254 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1255}
1256
0f36b589
MH		 1257static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1258 struct sk_buff *skb)
1259{
1260 __u8 status = *((__u8 *) skb->data);
1261
1262 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1263
45296acd
MH		 1264 if (status)
1265 return;
1266
dcc36c16 1267 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1268}
1269
1270static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1271 struct sk_buff *skb)
1272{
1273 struct hci_cp_le_add_to_white_list *sent;
1274 __u8 status = *((__u8 *) skb->data);
1275
1276 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1277
45296acd
MH		 1278 if (status)
1279 return;
1280
0f36b589
MH		 1281 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1282 if (!sent)
1283 return;
1284
dcc36c16
JH		 1285 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1286 sent->bdaddr_type);
0f36b589
MH		 1287}
1288
1289static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1290 struct sk_buff *skb)
1291{
1292 struct hci_cp_le_del_from_white_list *sent;
1293 __u8 status = *((__u8 *) skb->data);
1294
1295 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1296
45296acd
MH		 1297 if (status)
1298 return;
1299
0f36b589
MH		 1300 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1301 if (!sent)
1302 return;
1303
dcc36c16
JH		 1304 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1305 sent->bdaddr_type);
0f36b589
MH		 1306}
1307
9b008c04
JH		 1308static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1309 struct sk_buff *skb)
1310{
1311 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1312
1313 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1314
45296acd
MH		 1315 if (rp->status)
1316 return;
1317
1318 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1319}
1320
a8e1bfaa
MH		 1321static void hci_cc_le_read_def_data_len(struct hci_dev *hdev,
1322 struct sk_buff *skb)
1323{
1324 struct hci_rp_le_read_def_data_len *rp = (void *) skb->data;
1325
1326 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1327
1328 if (rp->status)
1329 return;
1330
1331 hdev->le_def_tx_len = le16_to_cpu(rp->tx_len);
1332 hdev->le_def_tx_time = le16_to_cpu(rp->tx_time);
1333}
1334
1335static void hci_cc_le_write_def_data_len(struct hci_dev *hdev,
1336 struct sk_buff *skb)
1337{
1338 struct hci_cp_le_write_def_data_len *sent;
1339 __u8 status = *((__u8 *) skb->data);
1340
1341 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1342
1343 if (status)
1344 return;
1345
1346 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN);
1347 if (!sent)
1348 return;
1349
1350 hdev->le_def_tx_len = le16_to_cpu(sent->tx_len);
1351 hdev->le_def_tx_time = le16_to_cpu(sent->tx_time);
1352}
1353
1354static void hci_cc_le_read_max_data_len(struct hci_dev *hdev,
1355 struct sk_buff *skb)
1356{
1357 struct hci_rp_le_read_max_data_len *rp = (void *) skb->data;
1358
1359 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1360
1361 if (rp->status)
1362 return;
1363
1364 hdev->le_max_tx_len = le16_to_cpu(rp->tx_len);
1365 hdev->le_max_tx_time = le16_to_cpu(rp->tx_time);
1366 hdev->le_max_rx_len = le16_to_cpu(rp->rx_len);
1367 hdev->le_max_rx_time = le16_to_cpu(rp->rx_time);
1368}
1369
6039aa73
GP		 1370static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1371 struct sk_buff *skb)
f9b49306 1372{
06199cf8 1373 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1374 __u8 status = *((__u8 *) skb->data);
1375
9f1db00c 1376 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1377
45296acd
MH		 1378 if (status)
1379 return;
1380
06199cf8 1381 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1382 if (!sent)
f9b49306
AG		 1383 return;
1384
5c1a4c8f
JK		 1385 hci_dev_lock(hdev);
1386
45296acd
MH		 1387 if (sent->le) {
1388 hdev->features[1][0] |= LMP_HOST_LE;
a1536da2 1389 hci_dev_set_flag(hdev, HCI_LE_ENABLED);
45296acd
MH		 1390 } else {
1391 hdev->features[1][0] &= ~LMP_HOST_LE;
a358dc11
MH		 1392 hci_dev_clear_flag(hdev, HCI_LE_ENABLED);
1393 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
8f984dfa 1394 }
45296acd
MH		 1395
1396 if (sent->simul)
1397 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1398 else
1399 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
5c1a4c8f
JK		 1400
1401 hci_dev_unlock(hdev);
f9b49306
AG		 1402}
1403
56ed2cb8
JH		 1404static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1405{
1406 struct hci_cp_le_set_adv_param *cp;
1407 u8 status = *((u8 *) skb->data);
1408
1409 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1410
1411 if (status)
1412 return;
1413
1414 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1415 if (!cp)
1416 return;
1417
1418 hci_dev_lock(hdev);
1419 hdev->adv_addr_type = cp->own_address_type;
1420 hci_dev_unlock(hdev);
1421}
1422
93c284ee
AE		 1423static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1424 struct sk_buff *skb)
1425{
1426 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1427
1428 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1429 hdev->name, rp->status, rp->phy_handle);
1430
1431 if (rp->status)
1432 return;
1433
1434 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1435}
1436
5ae76a94
AK		 1437static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1438{
1439 struct hci_rp_read_rssi *rp = (void *) skb->data;
1440 struct hci_conn *conn;
1441
1442 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1443
1444 if (rp->status)
1445 return;
1446
1447 hci_dev_lock(hdev);
1448
1449 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1450 if (conn)
1451 conn->rssi = rp->rssi;
1452
1453 hci_dev_unlock(hdev);
1454}
1455
5a134fae
AK		 1456static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1457{
1458 struct hci_cp_read_tx_power *sent;
1459 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1460 struct hci_conn *conn;
1461
1462 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1463
1464 if (rp->status)
1465 return;
1466
1467 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1468 if (!sent)
1469 return;
1470
1471 hci_dev_lock(hdev);
1472
1473 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1474 if (!conn)
1475 goto unlock;
1476
1477 switch (sent->type) {
1478 case 0x00:
5a134fae 1479 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1480 break;
1481 case 0x01:
1482 conn->max_tx_power = rp->tx_power;
1483 break;
1484 }
5a134fae 1485
d0455ed9 1486unlock:
5a134fae
AK		 1487 hci_dev_unlock(hdev);
1488}
1489
c50b33c8
MH		 1490static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb)
1491{
1492 u8 status = *((u8 *) skb->data);
1493 u8 *mode;
1494
1495 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1496
1497 if (status)
1498 return;
1499
1500 mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE);
1501 if (mode)
1502 hdev->ssp_debug_mode = *mode;
1503}
1504
6039aa73 1505static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1506{
9f1db00c 1507 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1508
1509 if (status) {
a9de9248 1510 hci_conn_check_pending(hdev);
314b2381
JH		 1511 return;
1512 }
1513
89352e7d 1514 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1515}
1516
6039aa73 1517static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1518{
a9de9248 1519 struct hci_cp_create_conn *cp;
1da177e4 1520 struct hci_conn *conn;
1da177e4 1521
9f1db00c 1522 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1523
1524 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1525 if (!cp)
1526 return;
1527
1528 hci_dev_lock(hdev);
1529
1530 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1531
6ed93dc6 1532 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1533
1534 if (status) {
1535 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1536 if (status != 0x0c || conn->attempt > 2) {
1537 conn->state = BT_CLOSED;
539c496d 1538 hci_connect_cfm(conn, status);
4c67bc74
MH		 1539 hci_conn_del(conn);
1540 } else
1541 conn->state = BT_CONNECT2;
1da177e4
LT		 1542 }
1543 } else {
1544 if (!conn) {
a5c4e309
JH		 1545 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1546 HCI_ROLE_MASTER);
1547 if (!conn)
893ef971 1548 BT_ERR("No memory for new connection");
1da177e4
LT		 1549 }
1550 }
1551
1552 hci_dev_unlock(hdev);
1553}
1554
a9de9248 1555static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1556{
a9de9248
MH		 1557 struct hci_cp_add_sco *cp;
1558 struct hci_conn *acl, *sco;
1559 __u16 handle;
1da177e4 1560
9f1db00c 1561 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1562
a9de9248
MH		 1563 if (!status)
1564 return;
1da177e4 1565
a9de9248
MH		 1566 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1567 if (!cp)
1568 return;
1da177e4 1569
a9de9248 1570 handle = __le16_to_cpu(cp->handle);
1da177e4 1571
9f1db00c 1572 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1573
a9de9248 1574 hci_dev_lock(hdev);
1da177e4 1575
a9de9248 1576 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1577 if (acl) {
1578 sco = acl->link;
1579 if (sco) {
1580 sco->state = BT_CLOSED;
1da177e4 1581
539c496d 1582 hci_connect_cfm(sco, status);
5a08ecce
AE		 1583 hci_conn_del(sco);
1584 }
a9de9248 1585 }
1da177e4 1586
a9de9248
MH		 1587 hci_dev_unlock(hdev);
1588}
1da177e4 1589
f8558555
MH		 1590static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1591{
1592 struct hci_cp_auth_requested *cp;
1593 struct hci_conn *conn;
1594
9f1db00c 1595 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1596
1597 if (!status)
1598 return;
1599
1600 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1601 if (!cp)
1602 return;
1603
1604 hci_dev_lock(hdev);
1605
1606 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1607 if (conn) {
1608 if (conn->state == BT_CONFIG) {
539c496d 1609 hci_connect_cfm(conn, status);
76a68ba0 1610 hci_conn_drop(conn);
f8558555
MH		 1611 }
1612 }
1613
1614 hci_dev_unlock(hdev);
1615}
1616
1617static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1618{
1619 struct hci_cp_set_conn_encrypt *cp;
1620 struct hci_conn *conn;
1621
9f1db00c 1622 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1623
1624 if (!status)
1625 return;
1626
1627 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1628 if (!cp)
1629 return;
1630
1631 hci_dev_lock(hdev);
1632
1633 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1634 if (conn) {
1635 if (conn->state == BT_CONFIG) {
539c496d 1636 hci_connect_cfm(conn, status);
76a68ba0 1637 hci_conn_drop(conn);
f8558555
MH		 1638 }
1639 }
1640
1641 hci_dev_unlock(hdev);
1642}
1643
127178d2 1644static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1645 struct hci_conn *conn)
392599b9 1646{
392599b9
JH		 1647 if (conn->state != BT_CONFIG || !conn->out)
1648 return 0;
1649
765c2a96 1650 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1651 return 0;
1652
1653 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1654 * devices with sec_level MEDIUM or HIGH or if MITM protection
1655 * is requested.
1656 */
807deac2 1657 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1658 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1659 conn->pending_sec_level != BT_SECURITY_HIGH &&
1660 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1661 return 0;
1662
392599b9
JH		 1663 return 1;
1664}
1665
6039aa73 1666static int hci_resolve_name(struct hci_dev *hdev,
04124681 1667 struct inquiry_entry *e)
30dc78e1
JH		 1668{
1669 struct hci_cp_remote_name_req cp;
1670
1671 memset(&cp, 0, sizeof(cp));
1672
1673 bacpy(&cp.bdaddr, &e->data.bdaddr);
1674 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1675 cp.pscan_mode = e->data.pscan_mode;
1676 cp.clock_offset = e->data.clock_offset;
1677
1678 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1679}
1680
b644ba33 1681static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1682{
1683 struct discovery_state *discov = &hdev->discovery;
1684 struct inquiry_entry *e;
1685
b644ba33
JH		 1686 if (list_empty(&discov->resolve))
1687 return false;
1688
1689 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1690 if (!e)
1691 return false;
1692
b644ba33
JH		 1693 if (hci_resolve_name(hdev, e) == 0) {
1694 e->name_state = NAME_PENDING;
1695 return true;
1696 }
1697
1698 return false;
1699}
1700
1701static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1702 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1703{
1704 struct discovery_state *discov = &hdev->discovery;
1705 struct inquiry_entry *e;
1706
60cb49d2
JH		 1707 /* Update the mgmt connected state if necessary. Be careful with
1708 * conn objects that exist but are not (yet) connected however.
1709 * Only those in BT_CONFIG or BT_CONNECTED states can be
1710 * considered connected.
1711 */
1712 if (conn &&
1713 (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) &&
cb77c3ec 1714 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 1715 mgmt_device_connected(hdev, conn, 0, name, name_len);
b644ba33
JH		 1716
1717 if (discov->state == DISCOVERY_STOPPED)
1718 return;
1719
30dc78e1
JH		 1720 if (discov->state == DISCOVERY_STOPPING)
1721 goto discov_complete;
1722
1723 if (discov->state != DISCOVERY_RESOLVING)
1724 return;
1725
1726 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1727 /* If the device was not found in a list of found devices names of which
1728 * are pending. there is no need to continue resolving a next name as it
1729 * will be done upon receiving another Remote Name Request Complete
1730 * Event */
1731 if (!e)
1732 return;
1733
1734 list_del(&e->list);
1735 if (name) {
30dc78e1 1736 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1737 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1738 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1739 } else {
1740 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1741 }
1742
b644ba33 1743 if (hci_resolve_next_name(hdev))
30dc78e1 1744 return;
30dc78e1
JH		 1745
1746discov_complete:
1747 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1748}
1749
a9de9248
MH		 1750static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1751{
127178d2
JH		 1752 struct hci_cp_remote_name_req *cp;
1753 struct hci_conn *conn;
1754
9f1db00c 1755 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1756
1757 /* If successful wait for the name req complete event before
1758 * checking for the need to do authentication */
1759 if (!status)
1760 return;
1761
1762 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1763 if (!cp)
1764 return;
1765
1766 hci_dev_lock(hdev);
1767
b644ba33
JH		 1768 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1769
d7a5a11d 1770 if (hci_dev_test_flag(hdev, HCI_MGMT))
b644ba33 1771 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1772
79c6c70c
JH		 1773 if (!conn)
1774 goto unlock;
1775
1776 if (!hci_outgoing_auth_needed(hdev, conn))
1777 goto unlock;
1778
51a8efd7 1779 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1780 struct hci_cp_auth_requested auth_cp;
1781
977f8fce
JH		 1782 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1783
c1f23a2b
JB		 1784 auth_cp.handle = __cpu_to_le16(conn->handle);
1785 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1786 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1787 }
1788
79c6c70c 1789unlock:
127178d2 1790 hci_dev_unlock(hdev);
a9de9248 1791}
1da177e4 1792
769be974
MH		 1793static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1794{
1795 struct hci_cp_read_remote_features *cp;
1796 struct hci_conn *conn;
1797
9f1db00c 1798 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1799
1800 if (!status)
1801 return;
1802
1803 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1804 if (!cp)
1805 return;
1806
1807 hci_dev_lock(hdev);
1808
1809 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1810 if (conn) {
1811 if (conn->state == BT_CONFIG) {
539c496d 1812 hci_connect_cfm(conn, status);
76a68ba0 1813 hci_conn_drop(conn);
769be974
MH		 1814 }
1815 }
1816
1817 hci_dev_unlock(hdev);
1818}
1819
1820static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1821{
1822 struct hci_cp_read_remote_ext_features *cp;
1823 struct hci_conn *conn;
1824
9f1db00c 1825 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1826
1827 if (!status)
1828 return;
1829
1830 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1831 if (!cp)
1832 return;
1833
1834 hci_dev_lock(hdev);
1835
1836 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1837 if (conn) {
1838 if (conn->state == BT_CONFIG) {
539c496d 1839 hci_connect_cfm(conn, status);
76a68ba0 1840 hci_conn_drop(conn);
769be974
MH		 1841 }
1842 }
1843
1844 hci_dev_unlock(hdev);
1845}
1846
a9de9248
MH		 1847static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1848{
b6a0dc82
MH		 1849 struct hci_cp_setup_sync_conn *cp;
1850 struct hci_conn *acl, *sco;
1851 __u16 handle;
1852
9f1db00c 1853 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1854
1855 if (!status)
1856 return;
1857
1858 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1859 if (!cp)
1860 return;
1861
1862 handle = __le16_to_cpu(cp->handle);
1863
9f1db00c 1864 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1865
1866 hci_dev_lock(hdev);
1867
1868 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1869 if (acl) {
1870 sco = acl->link;
1871 if (sco) {
1872 sco->state = BT_CLOSED;
b6a0dc82 1873
539c496d 1874 hci_connect_cfm(sco, status);
5a08ecce
AE		 1875 hci_conn_del(sco);
1876 }
b6a0dc82
MH		 1877 }
1878
1879 hci_dev_unlock(hdev);
1da177e4
LT		 1880}
1881
a9de9248 1882static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1883{
a9de9248
MH		 1884 struct hci_cp_sniff_mode *cp;
1885 struct hci_conn *conn;
1da177e4 1886
9f1db00c 1887 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1888
a9de9248
MH		 1889 if (!status)
1890 return;
04837f64 1891
a9de9248
MH		 1892 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1893 if (!cp)
1894 return;
04837f64 1895
a9de9248 1896 hci_dev_lock(hdev);
04837f64 1897
a9de9248 1898 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1899 if (conn) {
51a8efd7 1900 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1901
51a8efd7 1902 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1903 hci_sco_setup(conn, status);
1904 }
1905
a9de9248
MH		 1906 hci_dev_unlock(hdev);
1907}
04837f64 1908
a9de9248
MH		 1909static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1910{
1911 struct hci_cp_exit_sniff_mode *cp;
1912 struct hci_conn *conn;
04837f64 1913
9f1db00c 1914 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1915
a9de9248
MH		 1916 if (!status)
1917 return;
04837f64 1918
a9de9248
MH		 1919 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1920 if (!cp)
1921 return;
04837f64 1922
a9de9248 1923 hci_dev_lock(hdev);
1da177e4 1924
a9de9248 1925 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1926 if (conn) {
51a8efd7 1927 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1928
51a8efd7 1929 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1930 hci_sco_setup(conn, status);
1931 }
1932
a9de9248 1933 hci_dev_unlock(hdev);
1da177e4
LT		 1934}
1935
88c3df13
JH		 1936static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1937{
1938 struct hci_cp_disconnect *cp;
1939 struct hci_conn *conn;
1940
1941 if (!status)
1942 return;
1943
1944 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1945 if (!cp)
1946 return;
1947
1948 hci_dev_lock(hdev);
1949
1950 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1951 if (conn)
1952 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1953 conn->dst_type, status);
88c3df13
JH		 1954
1955 hci_dev_unlock(hdev);
1956}
1957
a02226d6
AE		 1958static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1959{
93c284ee
AE		 1960 struct hci_cp_create_phy_link *cp;
1961
a02226d6 1962 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1963
93c284ee
AE		 1964 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1965 if (!cp)
1966 return;
1967
e58917b9
AE		 1968 hci_dev_lock(hdev);
1969
1970 if (status) {
1971 struct hci_conn *hcon;
1972
1973 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1974 if (hcon)
1975 hci_conn_del(hcon);
1976 } else {
1977 amp_write_remote_assoc(hdev, cp->phy_handle);
1978 }
1979
1980 hci_dev_unlock(hdev);
a02226d6
AE		 1981}
1982
0b26ab9d
AE		 1983static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1984{
1985 struct hci_cp_accept_phy_link *cp;
1986
1987 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1988
1989 if (status)
1990 return;
1991
1992 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1993 if (!cp)
1994 return;
1995
1996 amp_write_remote_assoc(hdev, cp->phy_handle);
1997}
1998
cb1d68f7
JH		 1999static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
2000{
2001 struct hci_cp_le_create_conn *cp;
2002 struct hci_conn *conn;
2003
2004 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2005
2006 /* All connection failure handling is taken care of by the
2007 * hci_le_conn_failed function which is triggered by the HCI
2008 * request completion callbacks used for connecting.
2009 */
2010 if (status)
2011 return;
2012
2013 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
2014 if (!cp)
2015 return;
2016
2017 hci_dev_lock(hdev);
2018
2019 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
2020 if (!conn)
2021 goto unlock;
2022
2023 /* Store the initiator and responder address information which
2024 * is needed for SMP. These values will not change during the
2025 * lifetime of the connection.
2026 */
2027 conn->init_addr_type = cp->own_address_type;
2028 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
2029 bacpy(&conn->init_addr, &hdev->random_addr);
2030 else
2031 bacpy(&conn->init_addr, &hdev->bdaddr);
2032
2033 conn->resp_addr_type = cp->peer_addr_type;
2034 bacpy(&conn->resp_addr, &cp->peer_addr);
2035
9489eca4
JH		 2036 /* We don't want the connection attempt to stick around
2037 * indefinitely since LE doesn't have a page timeout concept
2038 * like BR/EDR. Set a timer for any connection that doesn't use
2039 * the white list for connecting.
2040 */
2041 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
2042 queue_delayed_work(conn->hdev->workqueue,
2043 &conn->le_conn_timeout,
09ae260b 2044 conn->conn_timeout);
9489eca4 2045
cb1d68f7
JH		 2046unlock:
2047 hci_dev_unlock(hdev);
2048}
2049
81d0c8ad
JH		 2050static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
2051{
2052 struct hci_cp_le_start_enc *cp;
2053 struct hci_conn *conn;
2054
2055 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2056
2057 if (!status)
2058 return;
2059
2060 hci_dev_lock(hdev);
2061
2062 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
2063 if (!cp)
2064 goto unlock;
2065
2066 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
2067 if (!conn)
2068 goto unlock;
2069
2070 if (conn->state != BT_CONNECTED)
2071 goto unlock;
2072
2073 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2074 hci_conn_drop(conn);
2075
2076unlock:
2077 hci_dev_unlock(hdev);
2078}
2079
50fc85f1
KP		 2080static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
2081{
2082 struct hci_cp_switch_role *cp;
2083 struct hci_conn *conn;
2084
2085 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2086
2087 if (!status)
2088 return;
2089
2090 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
2091 if (!cp)
2092 return;
2093
2094 hci_dev_lock(hdev);
2095
2096 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
2097 if (conn)
2098 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2099
2100 hci_dev_unlock(hdev);
2101}
2102
6039aa73 2103static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 2104{
2105 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 2106 struct discovery_state *discov = &hdev->discovery;
2107 struct inquiry_entry *e;
1da177e4 2108
9f1db00c 2109 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 2110
a9de9248 2111 hci_conn_check_pending(hdev);
89352e7d
AG		 2112
2113 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
2114 return;
2115
4e857c58 2116 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 2117 wake_up_bit(&hdev->flags, HCI_INQUIRY);
2118
d7a5a11d 2119 if (!hci_dev_test_flag(hdev, HCI_MGMT))
30dc78e1
JH		 2120 return;
2121
56e5cb86 2122 hci_dev_lock(hdev);
30dc78e1 2123
343f935b 2124 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 2125 goto unlock;
2126
2127 if (list_empty(&discov->resolve)) {
07d2334a
JP		 2128 /* When BR/EDR inquiry is active and no LE scanning is in
2129 * progress, then change discovery state to indicate completion.
2130 *
2131 * When running LE scanning and BR/EDR inquiry simultaneously
2132 * and the LE scan already finished, then change the discovery
2133 * state to indicate completion.
2134 */
2135 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||
2136 !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
2137 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
30dc78e1
JH		 2138 goto unlock;
2139 }
2140
2141 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2142 if (e && hci_resolve_name(hdev, e) == 0) {
2143 e->name_state = NAME_PENDING;
2144 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2145 } else {
07d2334a
JP		 2146 /* When BR/EDR inquiry is active and no LE scanning is in
2147 * progress, then change discovery state to indicate completion.
2148 *
2149 * When running LE scanning and BR/EDR inquiry simultaneously
2150 * and the LE scan already finished, then change the discovery
2151 * state to indicate completion.
2152 */
2153 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||
2154 !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
2155 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
30dc78e1
JH		 2156 }
2157
2158unlock:
56e5cb86 2159 hci_dev_unlock(hdev);
1da177e4
LT		 2160}
2161
6039aa73 2162static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2163{
45bb4bf0 2164 struct inquiry_data data;
a9de9248 2165 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 2166 int num_rsp = *((__u8 *) skb->data);
2167
2168 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2169
45bb4bf0
MH		 2170 if (!num_rsp)
2171 return;
2172
d7a5a11d 2173 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
1519cc17
AG		 2174 return;
2175
1da177e4 2176 hci_dev_lock(hdev);
45bb4bf0 2177
e17acd40 2178 for (; num_rsp; num_rsp--, info++) {
af58925c 2179 u32 flags;
3175405b 2180
1da177e4
LT		 2181 bacpy(&data.bdaddr, &info->bdaddr);
2182 data.pscan_rep_mode = info->pscan_rep_mode;
2183 data.pscan_period_mode = info->pscan_period_mode;
2184 data.pscan_mode = info->pscan_mode;
2185 memcpy(data.dev_class, info->dev_class, 3);
2186 data.clock_offset = info->clock_offset;
efb2513f 2187 data.rssi = HCI_RSSI_INVALID;
41a96212 2188 data.ssp_mode = 0x00;
3175405b 2189
af58925c
MH		 2190 flags = hci_inquiry_cache_update(hdev, &data, false);
2191
48264f06 2192 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
efb2513f
MH		 2193 info->dev_class, HCI_RSSI_INVALID,
2194 flags, NULL, 0, NULL, 0);
1da177e4 2195 }
45bb4bf0 2196
1da177e4
LT		 2197 hci_dev_unlock(hdev);
2198}
2199
6039aa73 2200static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2201{
a9de9248
MH		 2202 struct hci_ev_conn_complete *ev = (void *) skb->data;
2203 struct hci_conn *conn;
1da177e4
LT		 2204
2205 BT_DBG("%s", hdev->name);
2206
2207 hci_dev_lock(hdev);
2208
2209 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2210 if (!conn) {
2211 if (ev->link_type != SCO_LINK)
2212 goto unlock;
2213
2214 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2215 if (!conn)
2216 goto unlock;
2217
2218 conn->type = SCO_LINK;
2219 }
1da177e4
LT		 2220
2221 if (!ev->status) {
2222 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2223
2224 if (conn->type == ACL_LINK) {
2225 conn->state = BT_CONFIG;
2226 hci_conn_hold(conn);
a9ea3ed9
SJ		 2227
2228 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2229 !hci_find_link_key(hdev, &ev->bdaddr))
2230 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2231 else
2232 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2233 } else
2234 conn->state = BT_CONNECTED;
1da177e4 2235
23b9ceb7 2236 hci_debugfs_create_conn(conn);
7d0db0a3
MH		 2237 hci_conn_add_sysfs(conn);
2238
1da177e4 2239 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2240 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2241
2242 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2243 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2244
04837f64
MH		 2245 /* Get remote features */
2246 if (conn->type == ACL_LINK) {
2247 struct hci_cp_read_remote_features cp;
2248 cp.handle = ev->handle;
769be974 2249 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2250 sizeof(cp), &cp);
22f433dc 2251
1d2dc5b7 2252 hci_update_page_scan(hdev);
04837f64
MH		 2253 }
2254
1da177e4 2255 /* Set packet type for incoming connection */
d095c1eb 2256 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2257 struct hci_cp_change_conn_ptype cp;
2258 cp.handle = ev->handle;
a8746417 2259 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2260 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2261 &cp);
1da177e4 2262 }
17d5c04c 2263 } else {
1da177e4 2264 conn->state = BT_CLOSED;
17d5c04c 2265 if (conn->type == ACL_LINK)
64c7b77c 2266 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2267 conn->dst_type, ev->status);
17d5c04c 2268 }
1da177e4 2269
e73439d8
MH		 2270 if (conn->type == ACL_LINK)
2271 hci_sco_setup(conn, ev->status);
1da177e4 2272
769be974 2273 if (ev->status) {
539c496d 2274 hci_connect_cfm(conn, ev->status);
1da177e4 2275 hci_conn_del(conn);
c89b6e6b 2276 } else if (ev->link_type != ACL_LINK)
539c496d 2277 hci_connect_cfm(conn, ev->status);
1da177e4 2278
a9de9248 2279unlock:
1da177e4 2280 hci_dev_unlock(hdev);
1da177e4 2281
a9de9248 2282 hci_conn_check_pending(hdev);
1da177e4
LT		 2283}
2284
70c46425
JH		 2285static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2286{
2287 struct hci_cp_reject_conn_req cp;
2288
2289 bacpy(&cp.bdaddr, bdaddr);
2290 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2291 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2292}
2293
6039aa73 2294static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2295{
a9de9248
MH		 2296 struct hci_ev_conn_request *ev = (void *) skb->data;
2297 int mask = hdev->link_mode;
70c46425
JH		 2298 struct inquiry_entry *ie;
2299 struct hci_conn *conn;
20714bfe 2300 __u8 flags = 0;
1da177e4 2301
6ed93dc6 2302 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2303 ev->link_type);
1da177e4 2304
20714bfe
FD		 2305 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2306 &flags);
1da177e4 2307
70c46425
JH		 2308 if (!(mask & HCI_LM_ACCEPT)) {
2309 hci_reject_conn(hdev, &ev->bdaddr);
2310 return;
2311 }
2312
46c4c941
JH		 2313 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2314 BDADDR_BREDR)) {
2315 hci_reject_conn(hdev, &ev->bdaddr);
2316 return;
2317 }
2318
6a8fc95c
JH		 2319 /* Require HCI_CONNECTABLE or a whitelist entry to accept the
2320 * connection. These features are only touched through mgmt so
2321 * only do the checks if HCI_MGMT is set.
2322 */
d7a5a11d
MH		 2323 if (hci_dev_test_flag(hdev, HCI_MGMT) &&
2324 !hci_dev_test_flag(hdev, HCI_CONNECTABLE) &&
46c4c941
JH		 2325 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2326 BDADDR_BREDR)) {
2327 hci_reject_conn(hdev, &ev->bdaddr);
2328 return;
70c46425 2329 }
1da177e4 2330
70c46425 2331 /* Connection accepted */
b6a0dc82 2332
70c46425
JH		 2333 hci_dev_lock(hdev);
2334
2335 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2336 if (ie)
2337 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2338
70c46425
JH		 2339 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2340 &ev->bdaddr);
2341 if (!conn) {
a5c4e309
JH		 2342 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2343 HCI_ROLE_SLAVE);
a9de9248 2344 if (!conn) {
70c46425
JH		 2345 BT_ERR("No memory for new connection");
2346 hci_dev_unlock(hdev);
2347 return;
1da177e4 2348 }
70c46425 2349 }
b6a0dc82 2350
70c46425 2351 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2352
70c46425 2353 hci_dev_unlock(hdev);
1da177e4 2354
70c46425
JH		 2355 if (ev->link_type == ACL_LINK ||
2356 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2357 struct hci_cp_accept_conn_req cp;
2358 conn->state = BT_CONNECT;
1da177e4 2359
70c46425 2360 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2361
70c46425
JH		 2362 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2363 cp.role = 0x00; /* Become master */
2364 else
2365 cp.role = 0x01; /* Remain slave */
b6a0dc82 2366
70c46425
JH		 2367 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2368 } else if (!(flags & HCI_PROTO_DEFER)) {
2369 struct hci_cp_accept_sync_conn_req cp;
2370 conn->state = BT_CONNECT;
b6a0dc82 2371
70c46425
JH		 2372 bacpy(&cp.bdaddr, &ev->bdaddr);
2373 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2374
70c46425
JH		 2375 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2376 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2377 cp.max_latency = cpu_to_le16(0xffff);
2378 cp.content_format = cpu_to_le16(hdev->voice_setting);
2379 cp.retrans_effort = 0xff;
1da177e4 2380
70c46425
JH		 2381 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2382 &cp);
a9de9248 2383 } else {
70c46425 2384 conn->state = BT_CONNECT2;
539c496d 2385 hci_connect_cfm(conn, 0);
1da177e4 2386 }
1da177e4
LT		 2387}
2388
f0d6a0ea
MA		 2389static u8 hci_to_mgmt_reason(u8 err)
2390{
2391 switch (err) {
2392 case HCI_ERROR_CONNECTION_TIMEOUT:
2393 return MGMT_DEV_DISCONN_TIMEOUT;
2394 case HCI_ERROR_REMOTE_USER_TERM:
2395 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2396 case HCI_ERROR_REMOTE_POWER_OFF:
2397 return MGMT_DEV_DISCONN_REMOTE;
2398 case HCI_ERROR_LOCAL_HOST_TERM:
2399 return MGMT_DEV_DISCONN_LOCAL_HOST;
2400 default:
2401 return MGMT_DEV_DISCONN_UNKNOWN;
2402 }
2403}
2404
6039aa73 2405static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2406{
a9de9248 2407 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2408 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2409 struct hci_conn_params *params;
04837f64 2410 struct hci_conn *conn;
12d4a3b2 2411 bool mgmt_connected;
3846220b 2412 u8 type;
04837f64 2413
9f1db00c 2414 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2415
2416 hci_dev_lock(hdev);
2417
2418 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2419 if (!conn)
2420 goto unlock;
7d0db0a3 2421
abf54a50
AG		 2422 if (ev->status) {
2423 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2424 conn->dst_type, ev->status);
2425 goto unlock;
37d9ef76 2426 }
f7520543 2427
3846220b
AG		 2428 conn->state = BT_CLOSED;
2429
12d4a3b2
JH		 2430 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2431 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2432 reason, mgmt_connected);
abf54a50 2433
22f433dc
JH		 2434 if (conn->type == ACL_LINK) {
2435 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2436 hci_remove_link_key(hdev, &conn->dst);
2437
1d2dc5b7 2438 hci_update_page_scan(hdev);
22f433dc 2439 }
2210246c 2440
9fcb18ef
AG		 2441 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2442 if (params) {
2443 switch (params->auto_connect) {
2444 case HCI_AUTO_CONN_LINK_LOSS:
2445 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2446 break;
2447 /* Fall through */
2448
4b9e7e75 2449 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2450 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2451 list_del_init(&params->action);
2452 list_add(&params->action, &hdev->pend_le_conns);
2453 hci_update_background_scan(hdev);
9fcb18ef
AG		 2454 break;
2455
2456 default:
2457 break;
2458 }
2459 }
2460
3846220b 2461 type = conn->type;
2210246c 2462
3a6d576b 2463 hci_disconn_cfm(conn, ev->reason);
3846220b
AG		 2464 hci_conn_del(conn);
2465
2466 /* Re-enable advertising if necessary, since it might
2467 * have been disabled by the connection. From the
2468 * HCI_LE_Set_Advertise_Enable command description in
2469 * the core specification (v4.0):
2470 * "The Controller shall continue advertising until the Host
2471 * issues an LE_Set_Advertise_Enable command with
2472 * Advertising_Enable set to 0x00 (Advertising is disabled)
2473 * or until a connection is created or until the Advertising
2474 * is timed out due to Directed Advertising."
2475 */
2476 if (type == LE_LINK)
2477 mgmt_reenable_advertising(hdev);
f7520543
JH		 2478
2479unlock:
04837f64
MH		 2480 hci_dev_unlock(hdev);
2481}
2482
6039aa73 2483static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2484{
a9de9248 2485 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2486 struct hci_conn *conn;
1da177e4 2487
9f1db00c 2488 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2489
2490 hci_dev_lock(hdev);
2491
04837f64 2492 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2493 if (!conn)
2494 goto unlock;
2495
2496 if (!ev->status) {
aa64a8b5 2497 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2498 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2499 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2500 } else {
4dae2798 2501 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2502 conn->sec_level = conn->pending_sec_level;
2a611692 2503 }
d7556e20 2504 } else {
e1e930f5 2505 mgmt_auth_failed(conn, ev->status);
d7556e20 2506 }
1da177e4 2507
51a8efd7
JH		 2508 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2509 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2510
d7556e20 2511 if (conn->state == BT_CONFIG) {
aa64a8b5 2512 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2513 struct hci_cp_set_conn_encrypt cp;
2514 cp.handle = ev->handle;
2515 cp.encrypt = 0x01;
2516 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2517 &cp);
052b30b0 2518 } else {
d7556e20 2519 conn->state = BT_CONNECTED;
539c496d 2520 hci_connect_cfm(conn, ev->status);
76a68ba0 2521 hci_conn_drop(conn);
052b30b0 2522 }
d7556e20
WR		 2523 } else {
2524 hci_auth_cfm(conn, ev->status);
052b30b0 2525
d7556e20
WR		 2526 hci_conn_hold(conn);
2527 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2528 hci_conn_drop(conn);
d7556e20
WR		 2529 }
2530
51a8efd7 2531 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2532 if (!ev->status) {
2533 struct hci_cp_set_conn_encrypt cp;
2534 cp.handle = ev->handle;
2535 cp.encrypt = 0x01;
2536 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2537 &cp);
d7556e20 2538 } else {
51a8efd7 2539 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2540 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2541 }
2542 }
2543
d7556e20 2544unlock:
1da177e4
LT		 2545 hci_dev_unlock(hdev);
2546}
2547
6039aa73 2548static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2549{
127178d2
JH		 2550 struct hci_ev_remote_name *ev = (void *) skb->data;
2551 struct hci_conn *conn;
2552
a9de9248 2553 BT_DBG("%s", hdev->name);
1da177e4 2554
a9de9248 2555 hci_conn_check_pending(hdev);
127178d2
JH		 2556
2557 hci_dev_lock(hdev);
2558
b644ba33 2559 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2560
d7a5a11d 2561 if (!hci_dev_test_flag(hdev, HCI_MGMT))
b644ba33 2562 goto check_auth;
a88a9652 2563
b644ba33
JH		 2564 if (ev->status == 0)
2565 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2566 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2567 else
2568 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2569
2570check_auth:
79c6c70c
JH		 2571 if (!conn)
2572 goto unlock;
2573
2574 if (!hci_outgoing_auth_needed(hdev, conn))
2575 goto unlock;
2576
51a8efd7 2577 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2578 struct hci_cp_auth_requested cp;
977f8fce
JH		 2579
2580 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2581
127178d2
JH		 2582 cp.handle = __cpu_to_le16(conn->handle);
2583 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2584 }
2585
79c6c70c 2586unlock:
127178d2 2587 hci_dev_unlock(hdev);
a9de9248
MH		 2588}
2589
6039aa73 2590static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2591{
2592 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2593 struct hci_conn *conn;
2594
9f1db00c 2595 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2596
2597 hci_dev_lock(hdev);
2598
04837f64 2599 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2600 if (!conn)
2601 goto unlock;
1da177e4 2602
dc8357cc
MH		 2603 if (!ev->status) {
2604 if (ev->encrypt) {
2605 /* Encryption implies authentication */
4dae2798
JH		 2606 set_bit(HCI_CONN_AUTH, &conn->flags);
2607 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2608 conn->sec_level = conn->pending_sec_level;
abf76bad 2609
914a6ffe
MH		 2610 /* P-256 authentication key implies FIPS */
2611 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2612 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2613
abf76bad
MH		 2614 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2615 conn->type == LE_LINK)
2616 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2617 } else {
4dae2798 2618 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2619 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2620 }
dc8357cc 2621 }
a7d7723a 2622
7ed3fa20
JH		 2623 /* We should disregard the current RPA and generate a new one
2624 * whenever the encryption procedure fails.
2625 */
2626 if (ev->status && conn->type == LE_LINK)
a1536da2 2627 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
7ed3fa20 2628
dc8357cc 2629 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2630
dc8357cc
MH		 2631 if (ev->status && conn->state == BT_CONNECTED) {
2632 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2633 hci_conn_drop(conn);
2634 goto unlock;
1da177e4
LT		 2635 }
2636
dc8357cc
MH		 2637 if (conn->state == BT_CONFIG) {
2638 if (!ev->status)
2639 conn->state = BT_CONNECTED;
2640
40b552aa
MH		 2641 /* In Secure Connections Only mode, do not allow any
2642 * connections that are not encrypted with AES-CCM
2643 * using a P-256 authenticated combination key.
2644 */
d7a5a11d 2645 if (hci_dev_test_flag(hdev, HCI_SC_ONLY) &&
40b552aa
MH		 2646 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2647 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
539c496d 2648 hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
40b552aa
MH		 2649 hci_conn_drop(conn);
2650 goto unlock;
2651 }
2652
539c496d 2653 hci_connect_cfm(conn, ev->status);
dc8357cc
MH		 2654 hci_conn_drop(conn);
2655 } else
2656 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2657
a7d7723a 2658unlock:
1da177e4
LT		 2659 hci_dev_unlock(hdev);
2660}
2661
6039aa73
GP		 2662static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2663 struct sk_buff *skb)
1da177e4 2664{
a9de9248 2665 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2666 struct hci_conn *conn;
1da177e4 2667
9f1db00c 2668 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2669
2670 hci_dev_lock(hdev);
2671
04837f64 2672 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2673 if (conn) {
2674 if (!ev->status)
4dae2798 2675 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2676
51a8efd7 2677 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2678
2679 hci_key_change_cfm(conn, ev->status);
2680 }
2681
2682 hci_dev_unlock(hdev);
2683}
2684
6039aa73
GP		 2685static void hci_remote_features_evt(struct hci_dev *hdev,
2686 struct sk_buff *skb)
1da177e4 2687{
a9de9248
MH		 2688 struct hci_ev_remote_features *ev = (void *) skb->data;
2689 struct hci_conn *conn;
2690
9f1db00c 2691 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2692
a9de9248
MH		 2693 hci_dev_lock(hdev);
2694
2695 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2696 if (!conn)
2697 goto unlock;
769be974 2698
ccd556fe 2699 if (!ev->status)
cad718ed 2700 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2701
2702 if (conn->state != BT_CONFIG)
2703 goto unlock;
2704
ac363cf9
SJ		 2705 if (!ev->status && lmp_ext_feat_capable(hdev) &&
2706 lmp_ext_feat_capable(conn)) {
ccd556fe
JH		 2707 struct hci_cp_read_remote_ext_features cp;
2708 cp.handle = ev->handle;
2709 cp.page = 0x01;
2710 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2711 sizeof(cp), &cp);
392599b9
JH		 2712 goto unlock;
2713 }
2714
671267bf 2715 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2716 struct hci_cp_remote_name_req cp;
2717 memset(&cp, 0, sizeof(cp));
2718 bacpy(&cp.bdaddr, &conn->dst);
2719 cp.pscan_rep_mode = 0x02;
2720 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2721 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2722 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2723
127178d2 2724 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe 2725 conn->state = BT_CONNECTED;
539c496d 2726 hci_connect_cfm(conn, ev->status);
76a68ba0 2727 hci_conn_drop(conn);
769be974 2728 }
a9de9248 2729
ccd556fe 2730unlock:
a9de9248 2731 hci_dev_unlock(hdev);
1da177e4
LT		 2732}
2733
6039aa73 2734static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2735{
2736 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2737 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2738 __u16 opcode;
2739
2740 skb_pull(skb, sizeof(*ev));
2741
2742 opcode = __le16_to_cpu(ev->opcode);
2743
2744 switch (opcode) {
2745 case HCI_OP_INQUIRY_CANCEL:
2746 hci_cc_inquiry_cancel(hdev, skb);
2747 break;
2748
4d93483b
AG		 2749 case HCI_OP_PERIODIC_INQ:
2750 hci_cc_periodic_inq(hdev, skb);
2751 break;
2752
a9de9248
MH		 2753 case HCI_OP_EXIT_PERIODIC_INQ:
2754 hci_cc_exit_periodic_inq(hdev, skb);
2755 break;
2756
2757 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2758 hci_cc_remote_name_req_cancel(hdev, skb);
2759 break;
2760
2761 case HCI_OP_ROLE_DISCOVERY:
2762 hci_cc_role_discovery(hdev, skb);
2763 break;
2764
e4e8e37c
MH		 2765 case HCI_OP_READ_LINK_POLICY:
2766 hci_cc_read_link_policy(hdev, skb);
2767 break;
2768
a9de9248
MH		 2769 case HCI_OP_WRITE_LINK_POLICY:
2770 hci_cc_write_link_policy(hdev, skb);
2771 break;
2772
e4e8e37c
MH		 2773 case HCI_OP_READ_DEF_LINK_POLICY:
2774 hci_cc_read_def_link_policy(hdev, skb);
2775 break;
2776
2777 case HCI_OP_WRITE_DEF_LINK_POLICY:
2778 hci_cc_write_def_link_policy(hdev, skb);
2779 break;
2780
a9de9248
MH		 2781 case HCI_OP_RESET:
2782 hci_cc_reset(hdev, skb);
2783 break;
2784
c2f0f979
MH		 2785 case HCI_OP_READ_STORED_LINK_KEY:
2786 hci_cc_read_stored_link_key(hdev, skb);
2787 break;
2788
a9366120
MH		 2789 case HCI_OP_DELETE_STORED_LINK_KEY:
2790 hci_cc_delete_stored_link_key(hdev, skb);
2791 break;
2792
a9de9248
MH		 2793 case HCI_OP_WRITE_LOCAL_NAME:
2794 hci_cc_write_local_name(hdev, skb);
2795 break;
2796
2797 case HCI_OP_READ_LOCAL_NAME:
2798 hci_cc_read_local_name(hdev, skb);
2799 break;
2800
2801 case HCI_OP_WRITE_AUTH_ENABLE:
2802 hci_cc_write_auth_enable(hdev, skb);
2803 break;
2804
2805 case HCI_OP_WRITE_ENCRYPT_MODE:
2806 hci_cc_write_encrypt_mode(hdev, skb);
2807 break;
2808
2809 case HCI_OP_WRITE_SCAN_ENABLE:
2810 hci_cc_write_scan_enable(hdev, skb);
2811 break;
2812
2813 case HCI_OP_READ_CLASS_OF_DEV:
2814 hci_cc_read_class_of_dev(hdev, skb);
2815 break;
2816
2817 case HCI_OP_WRITE_CLASS_OF_DEV:
2818 hci_cc_write_class_of_dev(hdev, skb);
2819 break;
2820
2821 case HCI_OP_READ_VOICE_SETTING:
2822 hci_cc_read_voice_setting(hdev, skb);
2823 break;
2824
2825 case HCI_OP_WRITE_VOICE_SETTING:
2826 hci_cc_write_voice_setting(hdev, skb);
2827 break;
2828
b4cb9fb2
MH		 2829 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2830 hci_cc_read_num_supported_iac(hdev, skb);
2831 break;
2832
333140b5
MH		 2833 case HCI_OP_WRITE_SSP_MODE:
2834 hci_cc_write_ssp_mode(hdev, skb);
2835 break;
2836
eac83dc6
MH		 2837 case HCI_OP_WRITE_SC_SUPPORT:
2838 hci_cc_write_sc_support(hdev, skb);
2839 break;
2840
a9de9248
MH		 2841 case HCI_OP_READ_LOCAL_VERSION:
2842 hci_cc_read_local_version(hdev, skb);
2843 break;
2844
2845 case HCI_OP_READ_LOCAL_COMMANDS:
2846 hci_cc_read_local_commands(hdev, skb);
2847 break;
2848
2849 case HCI_OP_READ_LOCAL_FEATURES:
2850 hci_cc_read_local_features(hdev, skb);
2851 break;
2852
971e3a4b
AG		 2853 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2854 hci_cc_read_local_ext_features(hdev, skb);
2855 break;
2856
a9de9248
MH		 2857 case HCI_OP_READ_BUFFER_SIZE:
2858 hci_cc_read_buffer_size(hdev, skb);
2859 break;
2860
2861 case HCI_OP_READ_BD_ADDR:
2862 hci_cc_read_bd_addr(hdev, skb);
2863 break;
2864
f332ec66
JH		 2865 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2866 hci_cc_read_page_scan_activity(hdev, skb);
2867 break;
2868
4a3ee763
JH		 2869 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2870 hci_cc_write_page_scan_activity(hdev, skb);
2871 break;
2872
f332ec66
JH		 2873 case HCI_OP_READ_PAGE_SCAN_TYPE:
2874 hci_cc_read_page_scan_type(hdev, skb);
2875 break;
2876
4a3ee763
JH		 2877 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2878 hci_cc_write_page_scan_type(hdev, skb);
2879 break;
2880
350ee4cf
AE		 2881 case HCI_OP_READ_DATA_BLOCK_SIZE:
2882 hci_cc_read_data_block_size(hdev, skb);
2883 break;
2884
1e89cffb
AE		 2885 case HCI_OP_READ_FLOW_CONTROL_MODE:
2886 hci_cc_read_flow_control_mode(hdev, skb);
2887 break;
2888
928abaa7
AE		 2889 case HCI_OP_READ_LOCAL_AMP_INFO:
2890 hci_cc_read_local_amp_info(hdev, skb);
2891 break;
2892
33f35721
JH		 2893 case HCI_OP_READ_CLOCK:
2894 hci_cc_read_clock(hdev, skb);
2895 break;
2896
903e4541
AE		 2897 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2898 hci_cc_read_local_amp_assoc(hdev, skb);
2899 break;
2900
d5859e22
JH		 2901 case HCI_OP_READ_INQ_RSP_TX_POWER:
2902 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2903 break;
2904
980e1a53
JH		 2905 case HCI_OP_PIN_CODE_REPLY:
2906 hci_cc_pin_code_reply(hdev, skb);
2907 break;
2908
2909 case HCI_OP_PIN_CODE_NEG_REPLY:
2910 hci_cc_pin_code_neg_reply(hdev, skb);
2911 break;
2912
c35938b2 2913 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2914 hci_cc_read_local_oob_data(hdev, skb);
2915 break;
2916
2917 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2918 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2919 break;
2920
6ed58ec5
VT		 2921 case HCI_OP_LE_READ_BUFFER_SIZE:
2922 hci_cc_le_read_buffer_size(hdev, skb);
2923 break;
2924
60e77321
JH		 2925 case HCI_OP_LE_READ_LOCAL_FEATURES:
2926 hci_cc_le_read_local_features(hdev, skb);
2927 break;
2928
8fa19098
JH		 2929 case HCI_OP_LE_READ_ADV_TX_POWER:
2930 hci_cc_le_read_adv_tx_power(hdev, skb);
2931 break;
2932
a5c29683
JH		 2933 case HCI_OP_USER_CONFIRM_REPLY:
2934 hci_cc_user_confirm_reply(hdev, skb);
2935 break;
2936
2937 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2938 hci_cc_user_confirm_neg_reply(hdev, skb);
2939 break;
2940
1143d458
BG		 2941 case HCI_OP_USER_PASSKEY_REPLY:
2942 hci_cc_user_passkey_reply(hdev, skb);
2943 break;
2944
2945 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2946 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2947 break;
07f7fa5d 2948
7a4cd51d
MH		 2949 case HCI_OP_LE_SET_RANDOM_ADDR:
2950 hci_cc_le_set_random_addr(hdev, skb);
2951 break;
2952
c1d5dc4a
JH		 2953 case HCI_OP_LE_SET_ADV_ENABLE:
2954 hci_cc_le_set_adv_enable(hdev, skb);
2955 break;
2956
533553f8
MH		 2957 case HCI_OP_LE_SET_SCAN_PARAM:
2958 hci_cc_le_set_scan_param(hdev, skb);
2959 break;
2960
eb9d91f5
AG		 2961 case HCI_OP_LE_SET_SCAN_ENABLE:
2962 hci_cc_le_set_scan_enable(hdev, skb);
2963 break;
2964
cf1d081f
JH		 2965 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2966 hci_cc_le_read_white_list_size(hdev, skb);
2967 break;
2968
0f36b589
MH		 2969 case HCI_OP_LE_CLEAR_WHITE_LIST:
2970 hci_cc_le_clear_white_list(hdev, skb);
2971 break;
2972
2973 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2974 hci_cc_le_add_to_white_list(hdev, skb);
2975 break;
2976
2977 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2978 hci_cc_le_del_from_white_list(hdev, skb);
2979 break;
2980
9b008c04
JH		 2981 case HCI_OP_LE_READ_SUPPORTED_STATES:
2982 hci_cc_le_read_supported_states(hdev, skb);
2983 break;
2984
a8e1bfaa
MH		 2985 case HCI_OP_LE_READ_DEF_DATA_LEN:
2986 hci_cc_le_read_def_data_len(hdev, skb);
2987 break;
2988
2989 case HCI_OP_LE_WRITE_DEF_DATA_LEN:
2990 hci_cc_le_write_def_data_len(hdev, skb);
2991 break;
2992
2993 case HCI_OP_LE_READ_MAX_DATA_LEN:
2994 hci_cc_le_read_max_data_len(hdev, skb);
2995 break;
2996
f9b49306
AG		 2997 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2998 hci_cc_write_le_host_supported(hdev, skb);
2999 break;
3000
56ed2cb8
JH		 3001 case HCI_OP_LE_SET_ADV_PARAM:
3002 hci_cc_set_adv_param(hdev, skb);
3003 break;
3004
93c284ee
AE		 3005 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
3006 hci_cc_write_remote_amp_assoc(hdev, skb);
3007 break;
3008
5ae76a94
AK		 3009 case HCI_OP_READ_RSSI:
3010 hci_cc_read_rssi(hdev, skb);
3011 break;
3012
5a134fae
AK		 3013 case HCI_OP_READ_TX_POWER:
3014 hci_cc_read_tx_power(hdev, skb);
3015 break;
3016
c50b33c8
MH		 3017 case HCI_OP_WRITE_SSP_DEBUG_MODE:
3018 hci_cc_write_ssp_debug_mode(hdev, skb);
3019 break;
3020
a9de9248 3021 default:
9f1db00c 3022 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 3023 break;
3024 }
3025
ad82cdd1 3026 if (opcode != HCI_OP_NOP)
65cc2b49 3027 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3028
600b2150
JH		 3029 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags))
3030 atomic_set(&hdev->cmd_cnt, 1);
3031
ad82cdd1 3032 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 3033
600b2150
JH		 3034 if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
3035 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3036}
3037
6039aa73 3038static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3039{
3040 struct hci_ev_cmd_status *ev = (void *) skb->data;
3041 __u16 opcode;
3042
3043 skb_pull(skb, sizeof(*ev));
3044
3045 opcode = __le16_to_cpu(ev->opcode);
3046
3047 switch (opcode) {
3048 case HCI_OP_INQUIRY:
3049 hci_cs_inquiry(hdev, ev->status);
3050 break;
3051
3052 case HCI_OP_CREATE_CONN:
3053 hci_cs_create_conn(hdev, ev->status);
3054 break;
3055
9645c76c
KP		 3056 case HCI_OP_DISCONNECT:
3057 hci_cs_disconnect(hdev, ev->status);
3058 break;
3059
a9de9248
MH		 3060 case HCI_OP_ADD_SCO:
3061 hci_cs_add_sco(hdev, ev->status);
3062 break;
3063
f8558555
MH		 3064 case HCI_OP_AUTH_REQUESTED:
3065 hci_cs_auth_requested(hdev, ev->status);
3066 break;
3067
3068 case HCI_OP_SET_CONN_ENCRYPT:
3069 hci_cs_set_conn_encrypt(hdev, ev->status);
3070 break;
3071
a9de9248
MH		 3072 case HCI_OP_REMOTE_NAME_REQ:
3073 hci_cs_remote_name_req(hdev, ev->status);
3074 break;
3075
769be974
MH		 3076 case HCI_OP_READ_REMOTE_FEATURES:
3077 hci_cs_read_remote_features(hdev, ev->status);
3078 break;
3079
3080 case HCI_OP_READ_REMOTE_EXT_FEATURES:
3081 hci_cs_read_remote_ext_features(hdev, ev->status);
3082 break;
3083
a9de9248
MH		 3084 case HCI_OP_SETUP_SYNC_CONN:
3085 hci_cs_setup_sync_conn(hdev, ev->status);
3086 break;
3087
9645c76c
KP		 3088 case HCI_OP_CREATE_PHY_LINK:
3089 hci_cs_create_phylink(hdev, ev->status);
3090 break;
3091
3092 case HCI_OP_ACCEPT_PHY_LINK:
3093 hci_cs_accept_phylink(hdev, ev->status);
3094 break;
3095
a9de9248
MH		 3096 case HCI_OP_SNIFF_MODE:
3097 hci_cs_sniff_mode(hdev, ev->status);
3098 break;
3099
3100 case HCI_OP_EXIT_SNIFF_MODE:
3101 hci_cs_exit_sniff_mode(hdev, ev->status);
3102 break;
3103
50fc85f1
KP		 3104 case HCI_OP_SWITCH_ROLE:
3105 hci_cs_switch_role(hdev, ev->status);
3106 break;
3107
cb1d68f7
JH		 3108 case HCI_OP_LE_CREATE_CONN:
3109 hci_cs_le_create_conn(hdev, ev->status);
3110 break;
3111
81d0c8ad
JH		 3112 case HCI_OP_LE_START_ENC:
3113 hci_cs_le_start_enc(hdev, ev->status);
3114 break;
3115
a9de9248 3116 default:
9f1db00c 3117 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 3118 break;
3119 }
3120
ad82cdd1 3121 if (opcode != HCI_OP_NOP)
65cc2b49 3122 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3123
600b2150
JH		 3124 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags))
3125 atomic_set(&hdev->cmd_cnt, 1);
3126
444c6dd5
JH		 3127 /* Indicate request completion if the command failed. Also, if
3128 * we're not waiting for a special event and we get a success
3129 * command status we should try to flag the request as completed
3130 * (since for this kind of commands there will not be a command
3131 * complete event).
3132 */
02350a72 3133 if (ev->status ||
db6e3e8d 3134 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
02350a72 3135 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 3136
600b2150
JH		 3137 if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
3138 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3139}
3140
24dfa343
MH		 3141static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
3142{
3143 struct hci_ev_hardware_error *ev = (void *) skb->data;
3144
c7741d16
MH		 3145 hdev->hw_error_code = ev->code;
3146
3147 queue_work(hdev->req_workqueue, &hdev->error_reset);
24dfa343
MH		 3148}
3149
6039aa73 3150static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3151{
3152 struct hci_ev_role_change *ev = (void *) skb->data;
3153 struct hci_conn *conn;
3154
9f1db00c 3155 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 3156
3157 hci_dev_lock(hdev);
3158
3159 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3160 if (conn) {
40bef302
JH		 3161 if (!ev->status)
3162 conn->role = ev->role;
a9de9248 3163
51a8efd7 3164 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 3165
3166 hci_role_switch_cfm(conn, ev->status, ev->role);
3167 }
3168
3169 hci_dev_unlock(hdev);
3170}
3171
6039aa73 3172static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3173{
3174 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 3175 int i;
3176
32ac5b9b
AE		 3177 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3178 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3179 return;
3180 }
3181
c5993de8 3182 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3183 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 3184 BT_DBG("%s bad parameters", hdev->name);
3185 return;
3186 }
3187
c5993de8
AE		 3188 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3189
613a1c0c
AE		 3190 for (i = 0; i < ev->num_hndl; i++) {
3191 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3192 struct hci_conn *conn;
3193 __u16 handle, count;
3194
613a1c0c
AE		 3195 handle = __le16_to_cpu(info->handle);
3196 count = __le16_to_cpu(info->count);
a9de9248
MH		 3197
3198 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3199 if (!conn)
3200 continue;
3201
3202 conn->sent -= count;
3203
3204 switch (conn->type) {
3205 case ACL_LINK:
3206 hdev->acl_cnt += count;
3207 if (hdev->acl_cnt > hdev->acl_pkts)
3208 hdev->acl_cnt = hdev->acl_pkts;
3209 break;
3210
3211 case LE_LINK:
3212 if (hdev->le_pkts) {
3213 hdev->le_cnt += count;
3214 if (hdev->le_cnt > hdev->le_pkts)
3215 hdev->le_cnt = hdev->le_pkts;
3216 } else {
70f23020
AE		 3217 hdev->acl_cnt += count;
3218 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3219 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3220 }
f4280918
AE		 3221 break;
3222
3223 case SCO_LINK:
3224 hdev->sco_cnt += count;
3225 if (hdev->sco_cnt > hdev->sco_pkts)
3226 hdev->sco_cnt = hdev->sco_pkts;
3227 break;
3228
3229 default:
3230 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3231 break;
a9de9248
MH		 3232 }
3233 }
3234
3eff45ea 3235 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3236}
3237
76ef7cf7
AE		 3238static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3239 __u16 handle)
3240{
3241 struct hci_chan *chan;
3242
3243 switch (hdev->dev_type) {
3244 case HCI_BREDR:
3245 return hci_conn_hash_lookup_handle(hdev, handle);
3246 case HCI_AMP:
3247 chan = hci_chan_lookup_handle(hdev, handle);
3248 if (chan)
3249 return chan->conn;
3250 break;
3251 default:
3252 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3253 break;
3254 }
3255
3256 return NULL;
3257}
3258
6039aa73 3259static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3260{
3261 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3262 int i;
3263
3264 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3265 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3266 return;
3267 }
3268
3269 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3270 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3271 BT_DBG("%s bad parameters", hdev->name);
3272 return;
3273 }
3274
3275 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3276 ev->num_hndl);
25e89e99
AE		 3277
3278 for (i = 0; i < ev->num_hndl; i++) {
3279 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3280 struct hci_conn *conn = NULL;
25e89e99
AE		 3281 __u16 handle, block_count;
3282
3283 handle = __le16_to_cpu(info->handle);
3284 block_count = __le16_to_cpu(info->blocks);
3285
76ef7cf7 3286 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3287 if (!conn)
3288 continue;
3289
3290 conn->sent -= block_count;
3291
3292 switch (conn->type) {
3293 case ACL_LINK:
bd1eb66b 3294 case AMP_LINK:
25e89e99
AE		 3295 hdev->block_cnt += block_count;
3296 if (hdev->block_cnt > hdev->num_blocks)
3297 hdev->block_cnt = hdev->num_blocks;
3298 break;
3299
3300 default:
3301 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3302 break;
3303 }
3304 }
3305
3306 queue_work(hdev->workqueue, &hdev->tx_work);
3307}
3308
6039aa73 3309static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3310{
a9de9248 3311 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3312 struct hci_conn *conn;
3313
9f1db00c 3314 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3315
3316 hci_dev_lock(hdev);
3317
3318 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3319 if (conn) {
3320 conn->mode = ev->mode;
a9de9248 3321
8fc9ced3
GP		 3322 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3323 &conn->flags)) {
a9de9248 3324 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3325 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3326 else
58a681ef 3327 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3328 }
e73439d8 3329
51a8efd7 3330 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3331 hci_sco_setup(conn, ev->status);
04837f64
MH		 3332 }
3333
3334 hci_dev_unlock(hdev);
3335}
3336
6039aa73 3337static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3338{
052b30b0
MH		 3339 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3340 struct hci_conn *conn;
3341
a9de9248 3342 BT_DBG("%s", hdev->name);
052b30b0
MH		 3343
3344 hci_dev_lock(hdev);
3345
3346 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3347 if (!conn)
3348 goto unlock;
3349
3350 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3351 hci_conn_hold(conn);
3352 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3353 hci_conn_drop(conn);
052b30b0
MH		 3354 }
3355
d7a5a11d 3356 if (!hci_dev_test_flag(hdev, HCI_BONDABLE) &&
2f407f0a 3357 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3358 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3359 sizeof(ev->bdaddr), &ev->bdaddr);
d7a5a11d 3360 } else if (hci_dev_test_flag(hdev, HCI_MGMT)) {
a770bb5a
WR		 3361 u8 secure;
3362
3363 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3364 secure = 1;
3365 else
3366 secure = 0;
3367
744cf19e 3368 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3369 }
980e1a53 3370
b6f98044 3371unlock:
052b30b0 3372 hci_dev_unlock(hdev);
a9de9248
MH		 3373}
3374
cb6f3f7a
JH		 3375static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3376{
3377 if (key_type == HCI_LK_CHANGED_COMBINATION)
3378 return;
3379
3380 conn->pin_length = pin_len;
3381 conn->key_type = key_type;
3382
3383 switch (key_type) {
3384 case HCI_LK_LOCAL_UNIT:
3385 case HCI_LK_REMOTE_UNIT:
3386 case HCI_LK_DEBUG_COMBINATION:
3387 return;
3388 case HCI_LK_COMBINATION:
3389 if (pin_len == 16)
3390 conn->pending_sec_level = BT_SECURITY_HIGH;
3391 else
3392 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3393 break;
3394 case HCI_LK_UNAUTH_COMBINATION_P192:
3395 case HCI_LK_UNAUTH_COMBINATION_P256:
3396 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3397 break;
3398 case HCI_LK_AUTH_COMBINATION_P192:
3399 conn->pending_sec_level = BT_SECURITY_HIGH;
3400 break;
3401 case HCI_LK_AUTH_COMBINATION_P256:
3402 conn->pending_sec_level = BT_SECURITY_FIPS;
3403 break;
3404 }
3405}
3406
6039aa73 3407static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3408{
55ed8ca1
JH		 3409 struct hci_ev_link_key_req *ev = (void *) skb->data;
3410 struct hci_cp_link_key_reply cp;
3411 struct hci_conn *conn;
3412 struct link_key *key;
3413
a9de9248 3414 BT_DBG("%s", hdev->name);
55ed8ca1 3415
d7a5a11d 3416 if (!hci_dev_test_flag(hdev, HCI_MGMT))
55ed8ca1
JH		 3417 return;
3418
3419 hci_dev_lock(hdev);
3420
3421 key = hci_find_link_key(hdev, &ev->bdaddr);
3422 if (!key) {
6ed93dc6
AE		 3423 BT_DBG("%s link key not found for %pMR", hdev->name,
3424 &ev->bdaddr);
55ed8ca1
JH		 3425 goto not_found;
3426 }
3427
6ed93dc6
AE		 3428 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3429 &ev->bdaddr);
55ed8ca1 3430
55ed8ca1 3431 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3432 if (conn) {
fe8bc5ac
JH		 3433 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3434
66138ce8
MH		 3435 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3436 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3437 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3438 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3439 goto not_found;
3440 }
55ed8ca1 3441
60b83f57 3442 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3443 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3444 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3445 BT_DBG("%s ignoring key unauthenticated for high security",
3446 hdev->name);
60b83f57
WR		 3447 goto not_found;
3448 }
3449
cb6f3f7a 3450 conn_set_key(conn, key->type, key->pin_len);
55ed8ca1
JH		 3451 }
3452
3453 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3454 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3455
3456 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3457
3458 hci_dev_unlock(hdev);
3459
3460 return;
3461
3462not_found:
3463 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3464 hci_dev_unlock(hdev);
a9de9248
MH		 3465}
3466
6039aa73 3467static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3468{
052b30b0
MH		 3469 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3470 struct hci_conn *conn;
7652ff6a
JH		 3471 struct link_key *key;
3472 bool persistent;
55ed8ca1 3473 u8 pin_len = 0;
052b30b0 3474
a9de9248 3475 BT_DBG("%s", hdev->name);
052b30b0
MH		 3476
3477 hci_dev_lock(hdev);
3478
3479 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
82c13d42
JH		 3480 if (!conn)
3481 goto unlock;
3482
3483 hci_conn_hold(conn);
3484 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3485 hci_conn_drop(conn);
3486
fe8bc5ac 3487 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
82c13d42 3488 conn_set_key(conn, ev->key_type, conn->pin_length);
052b30b0 3489
d7a5a11d 3490 if (!hci_dev_test_flag(hdev, HCI_MGMT))
7652ff6a
JH		 3491 goto unlock;
3492
3493 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3494 ev->key_type, pin_len, &persistent);
3495 if (!key)
3496 goto unlock;
3497
cb6f3f7a
JH		 3498 /* Update connection information since adding the key will have
3499 * fixed up the type in the case of changed combination keys.
3500 */
3501 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3502 conn_set_key(conn, key->type, key->pin_len);
3503
7652ff6a 3504 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3505
6d5650c4
JH		 3506 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3507 * is set. If it's not set simply remove the key from the kernel
3508 * list (we've still notified user space about it but with
3509 * store_hint being 0).
3510 */
3511 if (key->type == HCI_LK_DEBUG_COMBINATION &&
d7a5a11d 3512 !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) {
0378b597
JH		 3513 list_del_rcu(&key->list);
3514 kfree_rcu(key, rcu);
82c13d42 3515 goto unlock;
6d5650c4 3516 }
7652ff6a 3517
82c13d42
JH		 3518 if (persistent)
3519 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3520 else
3521 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3522
7652ff6a 3523unlock:
052b30b0 3524 hci_dev_unlock(hdev);
a9de9248
MH		 3525}
3526
6039aa73 3527static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3528{
a9de9248 3529 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3530 struct hci_conn *conn;
1da177e4 3531
9f1db00c 3532 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3533
3534 hci_dev_lock(hdev);
3535
04837f64 3536 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3537 if (conn && !ev->status) {
3538 struct inquiry_entry *ie;
3539
cc11b9c1
AE		 3540 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3541 if (ie) {
1da177e4
LT		 3542 ie->data.clock_offset = ev->clock_offset;
3543 ie->timestamp = jiffies;
3544 }
3545 }
3546
3547 hci_dev_unlock(hdev);
3548}
3549
6039aa73 3550static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3551{
3552 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3553 struct hci_conn *conn;
3554
9f1db00c 3555 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3556
3557 hci_dev_lock(hdev);
3558
3559 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3560 if (conn && !ev->status)
3561 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3562
3563 hci_dev_unlock(hdev);
3564}
3565
6039aa73 3566static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3567{
a9de9248 3568 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3569 struct inquiry_entry *ie;
3570
3571 BT_DBG("%s", hdev->name);
3572
3573 hci_dev_lock(hdev);
3574
cc11b9c1
AE		 3575 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3576 if (ie) {
85a1e930
MH		 3577 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3578 ie->timestamp = jiffies;
3579 }
3580
3581 hci_dev_unlock(hdev);
3582}
3583
6039aa73
GP		 3584static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3585 struct sk_buff *skb)
a9de9248
MH		 3586{
3587 struct inquiry_data data;
3588 int num_rsp = *((__u8 *) skb->data);
3589
3590 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3591
3592 if (!num_rsp)
3593 return;
3594
d7a5a11d 3595 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
1519cc17
AG		 3596 return;
3597
a9de9248
MH		 3598 hci_dev_lock(hdev);
3599
3600 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3601 struct inquiry_info_with_rssi_and_pscan_mode *info;
3602 info = (void *) (skb->data + 1);
a9de9248 3603
e17acd40 3604 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3605 u32 flags;
3606
a9de9248
MH		 3607 bacpy(&data.bdaddr, &info->bdaddr);
3608 data.pscan_rep_mode = info->pscan_rep_mode;
3609 data.pscan_period_mode = info->pscan_period_mode;
3610 data.pscan_mode = info->pscan_mode;
3611 memcpy(data.dev_class, info->dev_class, 3);
3612 data.clock_offset = info->clock_offset;
3613 data.rssi = info->rssi;
41a96212 3614 data.ssp_mode = 0x00;
3175405b 3615
af58925c
MH		 3616 flags = hci_inquiry_cache_update(hdev, &data, false);
3617
48264f06 3618 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3619 info->dev_class, info->rssi,
af58925c 3620 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3621 }
3622 } else {
3623 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3624
e17acd40 3625 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3626 u32 flags;
3627
a9de9248
MH		 3628 bacpy(&data.bdaddr, &info->bdaddr);
3629 data.pscan_rep_mode = info->pscan_rep_mode;
3630 data.pscan_period_mode = info->pscan_period_mode;
3631 data.pscan_mode = 0x00;
3632 memcpy(data.dev_class, info->dev_class, 3);
3633 data.clock_offset = info->clock_offset;
3634 data.rssi = info->rssi;
41a96212 3635 data.ssp_mode = 0x00;
af58925c
MH		 3636
3637 flags = hci_inquiry_cache_update(hdev, &data, false);
3638
48264f06 3639 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3640 info->dev_class, info->rssi,
af58925c 3641 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3642 }
3643 }
3644
3645 hci_dev_unlock(hdev);
3646}
3647
6039aa73
GP		 3648static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3649 struct sk_buff *skb)
a9de9248 3650{
41a96212
MH		 3651 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3652 struct hci_conn *conn;
3653
a9de9248 3654 BT_DBG("%s", hdev->name);
41a96212 3655
41a96212
MH		 3656 hci_dev_lock(hdev);
3657
3658 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3659 if (!conn)
3660 goto unlock;
41a96212 3661
cad718ed
JH		 3662 if (ev->page < HCI_MAX_PAGES)
3663 memcpy(conn->features[ev->page], ev->features, 8);
3664
ccd556fe
JH		 3665 if (!ev->status && ev->page == 0x01) {
3666 struct inquiry_entry *ie;
41a96212 3667
cc11b9c1
AE		 3668 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3669 if (ie)
02b7cc62 3670 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3671
bbb0eada 3672 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3673 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3674 } else {
3675 /* It is mandatory by the Bluetooth specification that
3676 * Extended Inquiry Results are only used when Secure
3677 * Simple Pairing is enabled, but some devices violate
3678 * this.
3679 *
3680 * To make these devices work, the internal SSP
3681 * enabled flag needs to be cleared if the remote host
3682 * features do not indicate SSP support */
3683 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3684 }
eb9a8f3f
MH		 3685
3686 if (ev->features[0] & LMP_HOST_SC)
3687 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3688 }
3689
3690 if (conn->state != BT_CONFIG)
3691 goto unlock;
3692
671267bf 3693 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3694 struct hci_cp_remote_name_req cp;
3695 memset(&cp, 0, sizeof(cp));
3696 bacpy(&cp.bdaddr, &conn->dst);
3697 cp.pscan_rep_mode = 0x02;
3698 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3699 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3700 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3701
127178d2 3702 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe 3703 conn->state = BT_CONNECTED;
539c496d 3704 hci_connect_cfm(conn, ev->status);
76a68ba0 3705 hci_conn_drop(conn);
41a96212
MH		 3706 }
3707
ccd556fe 3708unlock:
41a96212 3709 hci_dev_unlock(hdev);
a9de9248
MH		 3710}
3711
6039aa73
GP		 3712static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3713 struct sk_buff *skb)
a9de9248 3714{
b6a0dc82
MH		 3715 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3716 struct hci_conn *conn;
3717
9f1db00c 3718 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3719
3720 hci_dev_lock(hdev);
3721
3722 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3723 if (!conn) {
3724 if (ev->link_type == ESCO_LINK)
3725 goto unlock;
3726
3727 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3728 if (!conn)
3729 goto unlock;
3730
3731 conn->type = SCO_LINK;
3732 }
b6a0dc82 3733
732547f9
MH		 3734 switch (ev->status) {
3735 case 0x00:
b6a0dc82
MH		 3736 conn->handle = __le16_to_cpu(ev->handle);
3737 conn->state = BT_CONNECTED;
7d0db0a3 3738
23b9ceb7 3739 hci_debugfs_create_conn(conn);
7d0db0a3 3740 hci_conn_add_sysfs(conn);
732547f9
MH		 3741 break;
3742
81218d20 3743 case 0x10: /* Connection Accept Timeout */
1a4c958c 3744 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3745 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3746 case 0x1c: /* SCO interval rejected */
1038a00b 3747 case 0x1a: /* Unsupported Remote Feature */
732547f9 3748 case 0x1f: /* Unspecified error */
27539bc4 3749 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3750 if (conn->out) {
732547f9
MH		 3751 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3752 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3753 if (hci_setup_sync(conn, conn->link->handle))
3754 goto unlock;
732547f9
MH		 3755 }
3756 /* fall through */
3757
3758 default:
b6a0dc82 3759 conn->state = BT_CLOSED;
732547f9
MH		 3760 break;
3761 }
b6a0dc82 3762
539c496d 3763 hci_connect_cfm(conn, ev->status);
b6a0dc82
MH		 3764 if (ev->status)
3765 hci_conn_del(conn);
3766
3767unlock:
3768 hci_dev_unlock(hdev);
a9de9248
MH		 3769}
3770
efdcf8e3
MH		 3771static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3772{
3773 size_t parsed = 0;
3774
3775 while (parsed < eir_len) {
3776 u8 field_len = eir[0];
3777
3778 if (field_len == 0)
3779 return parsed;
3780
3781 parsed += field_len + 1;
3782 eir += field_len + 1;
3783 }
3784
3785 return eir_len;
3786}
3787
6039aa73
GP		 3788static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3789 struct sk_buff *skb)
1da177e4 3790{
a9de9248
MH		 3791 struct inquiry_data data;
3792 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3793 int num_rsp = *((__u8 *) skb->data);
9d939d94 3794 size_t eir_len;
1da177e4 3795
a9de9248 3796 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3797
a9de9248
MH		 3798 if (!num_rsp)
3799 return;
1da177e4 3800
d7a5a11d 3801 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
1519cc17
AG		 3802 return;
3803
a9de9248
MH		 3804 hci_dev_lock(hdev);
3805
e17acd40 3806 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3807 u32 flags;
3808 bool name_known;
561aafbc 3809
a9de9248 3810 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3811 data.pscan_rep_mode = info->pscan_rep_mode;
3812 data.pscan_period_mode = info->pscan_period_mode;
3813 data.pscan_mode = 0x00;
a9de9248 3814 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3815 data.clock_offset = info->clock_offset;
3816 data.rssi = info->rssi;
41a96212 3817 data.ssp_mode = 0x01;
561aafbc 3818
d7a5a11d 3819 if (hci_dev_test_flag(hdev, HCI_MGMT))
4ddb1930 3820 name_known = eir_has_data_type(info->data,
04124681
GP		 3821 sizeof(info->data),
3822 EIR_NAME_COMPLETE);
561aafbc
JH		 3823 else
3824 name_known = true;
3825
af58925c
MH		 3826 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3827
9d939d94 3828 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3829
48264f06 3830 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3831 info->dev_class, info->rssi,
3832 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3833 }
3834
3835 hci_dev_unlock(hdev);
3836}
1da177e4 3837
1c2e0041
JH		 3838static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3839 struct sk_buff *skb)
3840{
3841 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3842 struct hci_conn *conn;
3843
9f1db00c 3844 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3845 __le16_to_cpu(ev->handle));
3846
3847 hci_dev_lock(hdev);
3848
3849 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3850 if (!conn)
3851 goto unlock;
3852
9eb1fbfa
JH		 3853 /* For BR/EDR the necessary steps are taken through the
3854 * auth_complete event.
3855 */
3856 if (conn->type != LE_LINK)
3857 goto unlock;
3858
1c2e0041
JH		 3859 if (!ev->status)
3860 conn->sec_level = conn->pending_sec_level;
3861
3862 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3863
3864 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3865 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3866 hci_conn_drop(conn);
1c2e0041
JH		 3867 goto unlock;
3868 }
3869
3870 if (conn->state == BT_CONFIG) {
3871 if (!ev->status)
3872 conn->state = BT_CONNECTED;
3873
539c496d 3874 hci_connect_cfm(conn, ev->status);
76a68ba0 3875 hci_conn_drop(conn);
1c2e0041
JH		 3876 } else {
3877 hci_auth_cfm(conn, ev->status);
3878
3879 hci_conn_hold(conn);
3880 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3881 hci_conn_drop(conn);
1c2e0041
JH		 3882 }
3883
3884unlock:
3885 hci_dev_unlock(hdev);
3886}
3887
6039aa73 3888static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3889{
17fa4b9d 3890 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3891 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3892 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3893 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3894
b7f94c88
MA		 3895 /* If both remote and local have enough IO capabilities, require
3896 * MITM protection
3897 */
3898 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3899 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3900 return conn->remote_auth | 0x01;
3901
7e74170a
TM		 3902 /* No MITM protection possible so ignore remote requirement */
3903 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3904}
3905
a83ed81e
MH		 3906static u8 bredr_oob_data_present(struct hci_conn *conn)
3907{
3908 struct hci_dev *hdev = conn->hdev;
3909 struct oob_data *data;
3910
3911 data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR);
3912 if (!data)
3913 return 0x00;
3914
455c2ff0
MH		 3915 if (bredr_sc_enabled(hdev)) {
3916 /* When Secure Connections is enabled, then just
3917 * return the present value stored with the OOB
3918 * data. The stored value contains the right present
3919 * information. However it can only be trusted when
3920 * not in Secure Connection Only mode.
3921 */
3922 if (!hci_dev_test_flag(hdev, HCI_SC_ONLY))
3923 return data->present;
659c7fb0 3924
455c2ff0
MH		 3925 /* When Secure Connections Only mode is enabled, then
3926 * the P-256 values are required. If they are not
3927 * available, then do not declare that OOB data is
3928 * present.
659c7fb0 3929 */
455c2ff0
MH		 3930 if (!memcmp(data->rand256, ZERO_KEY, 16) ||
3931 !memcmp(data->hash256, ZERO_KEY, 16))
659c7fb0
MH		 3932 return 0x00;
3933
455c2ff0 3934 return 0x02;
659c7fb0 3935 }
a83ed81e 3936
455c2ff0
MH		 3937 /* When Secure Connections is not enabled or actually
3938 * not supported by the hardware, then check that if
3939 * P-192 data values are present.
3940 */
3941 if (!memcmp(data->rand192, ZERO_KEY, 16) ||
3942 !memcmp(data->hash192, ZERO_KEY, 16))
3943 return 0x00;
3944
3945 return 0x01;
a83ed81e
MH		 3946}
3947
6039aa73 3948static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3949{
3950 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3951 struct hci_conn *conn;
3952
3953 BT_DBG("%s", hdev->name);
3954
3955 hci_dev_lock(hdev);
3956
3957 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3958 if (!conn)
3959 goto unlock;
3960
3961 hci_conn_hold(conn);
3962
d7a5a11d 3963 if (!hci_dev_test_flag(hdev, HCI_MGMT))
03b555e1
JH		 3964 goto unlock;
3965
2f407f0a
JH		 3966 /* Allow pairing if we're pairable, the initiators of the
3967 * pairing or if the remote is not requesting bonding.
3968 */
d7a5a11d 3969 if (hci_dev_test_flag(hdev, HCI_BONDABLE) ||
2f407f0a 3970 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3971 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3972 struct hci_cp_io_capability_reply cp;
3973
3974 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3975 /* Change the IO capability from KeyboardDisplay
3976 * to DisplayYesNo as it is not supported by BT spec. */
3977 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3978 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3979
3980 /* If we are initiators, there is no remote information yet */
3981 if (conn->remote_auth == 0xff) {
b16c6604 3982 /* Request MITM protection if our IO caps allow it
4ad51a75 3983 * except for the no-bonding case.
b16c6604 3984 */
6fd6b915 3985 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3986 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3987 conn->auth_type |= 0x01;
b7f94c88
MA		 3988 } else {
3989 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3990 }
17fa4b9d 3991
82c295b1
JH		 3992 /* If we're not bondable, force one of the non-bondable
3993 * authentication requirement values.
3994 */
d7a5a11d 3995 if (!hci_dev_test_flag(hdev, HCI_BONDABLE))
82c295b1
JH		 3996 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3997
3998 cp.authentication = conn->auth_type;
a83ed81e 3999 cp.oob_data = bredr_oob_data_present(conn);
ce85ee13 4000
17fa4b9d 4001 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 4002 sizeof(cp), &cp);
03b555e1
JH		 4003 } else {
4004 struct hci_cp_io_capability_neg_reply cp;
4005
4006 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 4007 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 4008
03b555e1 4009 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 4010 sizeof(cp), &cp);
03b555e1
JH		 4011 }
4012
4013unlock:
4014 hci_dev_unlock(hdev);
4015}
4016
6039aa73 4017static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 4018{
4019 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
4020 struct hci_conn *conn;
4021
4022 BT_DBG("%s", hdev->name);
4023
4024 hci_dev_lock(hdev);
4025
4026 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4027 if (!conn)
4028 goto unlock;
4029
03b555e1 4030 conn->remote_cap = ev->capability;
03b555e1
JH		 4031 conn->remote_auth = ev->authentication;
4032
4033unlock:
0493684e
MH		 4034 hci_dev_unlock(hdev);
4035}
4036
6039aa73
GP		 4037static void hci_user_confirm_request_evt(struct hci_dev *hdev,
4038 struct sk_buff *skb)
a5c29683
JH		 4039{
4040 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 4041 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 4042 struct hci_conn *conn;
a5c29683
JH		 4043
4044 BT_DBG("%s", hdev->name);
4045
4046 hci_dev_lock(hdev);
4047
d7a5a11d 4048 if (!hci_dev_test_flag(hdev, HCI_MGMT))
7a828908 4049 goto unlock;
a5c29683 4050
7a828908
JH		 4051 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4052 if (!conn)
4053 goto unlock;
4054
4055 loc_mitm = (conn->auth_type & 0x01);
4056 rem_mitm = (conn->remote_auth & 0x01);
4057
4058 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 4059 * (it has NoInputNoOutput) then reject the confirmation
4060 * request. We check the security level here since it doesn't
4061 * necessarily match conn->auth_type.
6fd6b915 4062 */
6c53823a
JH		 4063 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
4064 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 4065 BT_DBG("Rejecting request: remote device can't provide MITM");
4066 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 4067 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4068 goto unlock;
4069 }
4070
4071 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 4072 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
4073 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 4074
4075 /* If we're not the initiators request authorization to
4076 * proceed from user space (mgmt_user_confirm with
ba15a58b 4077 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 4078 * side had MITM or if the local IO capability is
4079 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 4080 */
4081 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 4082 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 4083 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 4084 BT_DBG("Confirming auto-accept as acceptor");
4085 confirm_hint = 1;
4086 goto confirm;
4087 }
4088
9f61656a 4089 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 4090 hdev->auto_accept_delay);
9f61656a
JH		 4091
4092 if (hdev->auto_accept_delay > 0) {
4093 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 4094 queue_delayed_work(conn->hdev->workqueue,
4095 &conn->auto_accept_work, delay);
9f61656a
JH		 4096 goto unlock;
4097 }
4098
7a828908 4099 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 4100 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4101 goto unlock;
4102 }
4103
55bc1a37 4104confirm:
39adbffe
JH		 4105 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
4106 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 4107
4108unlock:
a5c29683
JH		 4109 hci_dev_unlock(hdev);
4110}
4111
6039aa73
GP		 4112static void hci_user_passkey_request_evt(struct hci_dev *hdev,
4113 struct sk_buff *skb)
1143d458
BG		 4114{
4115 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
4116
4117 BT_DBG("%s", hdev->name);
4118
d7a5a11d 4119 if (hci_dev_test_flag(hdev, HCI_MGMT))
272d90df 4120 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 4121}
4122
92a25256
JH		 4123static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
4124 struct sk_buff *skb)
4125{
4126 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
4127 struct hci_conn *conn;
4128
4129 BT_DBG("%s", hdev->name);
4130
4131 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4132 if (!conn)
4133 return;
4134
4135 conn->passkey_notify = __le32_to_cpu(ev->passkey);
4136 conn->passkey_entered = 0;
4137
d7a5a11d 4138 if (hci_dev_test_flag(hdev, HCI_MGMT))
92a25256
JH		 4139 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4140 conn->dst_type, conn->passkey_notify,
4141 conn->passkey_entered);
4142}
4143
4144static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
4145{
4146 struct hci_ev_keypress_notify *ev = (void *) skb->data;
4147 struct hci_conn *conn;
4148
4149 BT_DBG("%s", hdev->name);
4150
4151 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4152 if (!conn)
4153 return;
4154
4155 switch (ev->type) {
4156 case HCI_KEYPRESS_STARTED:
4157 conn->passkey_entered = 0;
4158 return;
4159
4160 case HCI_KEYPRESS_ENTERED:
4161 conn->passkey_entered++;
4162 break;
4163
4164 case HCI_KEYPRESS_ERASED:
4165 conn->passkey_entered--;
4166 break;
4167
4168 case HCI_KEYPRESS_CLEARED:
4169 conn->passkey_entered = 0;
4170 break;
4171
4172 case HCI_KEYPRESS_COMPLETED:
4173 return;
4174 }
4175
d7a5a11d 4176 if (hci_dev_test_flag(hdev, HCI_MGMT))
92a25256
JH		 4177 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4178 conn->dst_type, conn->passkey_notify,
4179 conn->passkey_entered);
4180}
4181
6039aa73
GP		 4182static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
4183 struct sk_buff *skb)
0493684e
MH		 4184{
4185 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
4186 struct hci_conn *conn;
4187
4188 BT_DBG("%s", hdev->name);
4189
4190 hci_dev_lock(hdev);
4191
4192 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 4193 if (!conn)
4194 goto unlock;
4195
c1d4fa7a
JH		 4196 /* Reset the authentication requirement to unknown */
4197 conn->remote_auth = 0xff;
4198
2a611692
JH		 4199 /* To avoid duplicate auth_failed events to user space we check
4200 * the HCI_CONN_AUTH_PEND flag which will be set if we
4201 * initiated the authentication. A traditional auth_complete
4202 * event gets always produced as initiator and is also mapped to
4203 * the mgmt_auth_failed event */
fa1bd918 4204 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 4205 mgmt_auth_failed(conn, ev->status);
0493684e 4206
76a68ba0 4207 hci_conn_drop(conn);
2a611692
JH		 4208
4209unlock:
0493684e
MH		 4210 hci_dev_unlock(hdev);
4211}
4212
6039aa73
GP		 4213static void hci_remote_host_features_evt(struct hci_dev *hdev,
4214 struct sk_buff *skb)
41a96212
MH		 4215{
4216 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4217 struct inquiry_entry *ie;
cad718ed 4218 struct hci_conn *conn;
41a96212
MH		 4219
4220 BT_DBG("%s", hdev->name);
4221
4222 hci_dev_lock(hdev);
4223
cad718ed
JH		 4224 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4225 if (conn)
4226 memcpy(conn->features[1], ev->features, 8);
4227
cc11b9c1
AE		 4228 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4229 if (ie)
02b7cc62 4230 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 4231
4232 hci_dev_unlock(hdev);
4233}
4234
6039aa73
GP		 4235static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4236 struct sk_buff *skb)
2763eda6
SJ		 4237{
4238 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4239 struct oob_data *data;
4240
4241 BT_DBG("%s", hdev->name);
4242
4243 hci_dev_lock(hdev);
4244
d7a5a11d 4245 if (!hci_dev_test_flag(hdev, HCI_MGMT))
e1ba1f15
SJ		 4246 goto unlock;
4247
6928a924 4248 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
6665d057
MH		 4249 if (!data) {
4250 struct hci_cp_remote_oob_data_neg_reply cp;
519ca9d0 4251
6665d057
MH		 4252 bacpy(&cp.bdaddr, &ev->bdaddr);
4253 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4254 sizeof(cp), &cp);
4255 goto unlock;
4256 }
2763eda6 4257
6665d057
MH		 4258 if (bredr_sc_enabled(hdev)) {
4259 struct hci_cp_remote_oob_ext_data_reply cp;
519ca9d0 4260
6665d057 4261 bacpy(&cp.bdaddr, &ev->bdaddr);
d7a5a11d 4262 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6665d057
MH		 4263 memset(cp.hash192, 0, sizeof(cp.hash192));
4264 memset(cp.rand192, 0, sizeof(cp.rand192));
4265 } else {
4266 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4267 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
519ca9d0 4268 }
6665d057
MH		 4269 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4270 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4271
4272 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4273 sizeof(cp), &cp);
2763eda6 4274 } else {
6665d057 4275 struct hci_cp_remote_oob_data_reply cp;
2763eda6
SJ		 4276
4277 bacpy(&cp.bdaddr, &ev->bdaddr);
6665d057
MH		 4278 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4279 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4280
4281 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
519ca9d0 4282 sizeof(cp), &cp);
2763eda6
SJ		 4283 }
4284
e1ba1f15 4285unlock:
2763eda6
SJ		 4286 hci_dev_unlock(hdev);
4287}
4288
d5e91192
AE		 4289static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4290 struct sk_buff *skb)
4291{
4292 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4293 struct hci_conn *hcon, *bredr_hcon;
4294
4295 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4296 ev->status);
4297
4298 hci_dev_lock(hdev);
4299
4300 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4301 if (!hcon) {
4302 hci_dev_unlock(hdev);
4303 return;
4304 }
4305
4306 if (ev->status) {
4307 hci_conn_del(hcon);
4308 hci_dev_unlock(hdev);
4309 return;
4310 }
4311
4312 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4313
4314 hcon->state = BT_CONNECTED;
4315 bacpy(&hcon->dst, &bredr_hcon->dst);
4316
4317 hci_conn_hold(hcon);
4318 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4319 hci_conn_drop(hcon);
d5e91192 4320
23b9ceb7 4321 hci_debugfs_create_conn(hcon);
d5e91192
AE		 4322 hci_conn_add_sysfs(hcon);
4323
cf70ff22 4324 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4325
cf70ff22 4326 hci_dev_unlock(hdev);
d5e91192
AE		 4327}
4328
27695fb4
AE		 4329static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4330{
4331 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4332 struct hci_conn *hcon;
4333 struct hci_chan *hchan;
4334 struct amp_mgr *mgr;
4335
4336 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4337 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4338 ev->status);
4339
4340 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4341 if (!hcon)
4342 return;
4343
4344 /* Create AMP hchan */
4345 hchan = hci_chan_create(hcon);
4346 if (!hchan)
4347 return;
4348
4349 hchan->handle = le16_to_cpu(ev->handle);
4350
4351 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4352
4353 mgr = hcon->amp_mgr;
4354 if (mgr && mgr->bredr_chan) {
4355 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4356
4357 l2cap_chan_lock(bredr_chan);
4358
4359 bredr_chan->conn->mtu = hdev->block_mtu;
4360 l2cap_logical_cfm(bredr_chan, hchan, 0);
4361 hci_conn_hold(hcon);
4362
4363 l2cap_chan_unlock(bredr_chan);
4364 }
4365}
4366
606e2a10
AE		 4367static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4368 struct sk_buff *skb)
4369{
4370 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4371 struct hci_chan *hchan;
4372
4373 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4374 le16_to_cpu(ev->handle), ev->status);
4375
4376 if (ev->status)
4377 return;
4378
4379 hci_dev_lock(hdev);
4380
4381 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4382 if (!hchan)
4383 goto unlock;
4384
4385 amp_destroy_logical_link(hchan, ev->reason);
4386
4387unlock:
4388 hci_dev_unlock(hdev);
4389}
4390
9eef6b3a
AE		 4391static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4392 struct sk_buff *skb)
4393{
4394 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4395 struct hci_conn *hcon;
4396
4397 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4398
4399 if (ev->status)
4400 return;
4401
4402 hci_dev_lock(hdev);
4403
4404 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4405 if (hcon) {
4406 hcon->state = BT_CLOSED;
4407 hci_conn_del(hcon);
4408 }
4409
4410 hci_dev_unlock(hdev);
4411}
4412
6039aa73 4413static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4414{
4415 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4416 struct hci_conn_params *params;
fcd89c09 4417 struct hci_conn *conn;
68d6f6de 4418 struct smp_irk *irk;
837d502e 4419 u8 addr_type;
fcd89c09 4420
9f1db00c 4421 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4422
4423 hci_dev_lock(hdev);
4424
fbd96c15
JH		 4425 /* All controllers implicitly stop advertising in the event of a
4426 * connection, so ensure that the state bit is cleared.
4427 */
a358dc11 4428 hci_dev_clear_flag(hdev, HCI_LE_ADV);
fbd96c15 4429
b47a09b3 4430 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4431 if (!conn) {
a5c4e309 4432 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4433 if (!conn) {
4434 BT_ERR("No memory for new connection");
230fd16a 4435 goto unlock;
b62f328b 4436 }
29b7988a
AG		 4437
4438 conn->dst_type = ev->bdaddr_type;
b9b343d2 4439
cb1d68f7
JH		 4440 /* If we didn't have a hci_conn object previously
4441 * but we're in master role this must be something
4442 * initiated using a white list. Since white list based
4443 * connections are not "first class citizens" we don't
4444 * have full tracking of them. Therefore, we go ahead
4445 * with a "best effort" approach of determining the
4446 * initiator address based on the HCI_PRIVACY flag.
4447 */
4448 if (conn->out) {
4449 conn->resp_addr_type = ev->bdaddr_type;
4450 bacpy(&conn->resp_addr, &ev->bdaddr);
d7a5a11d 4451 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
cb1d68f7
JH		 4452 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4453 bacpy(&conn->init_addr, &hdev->rpa);
4454 } else {
4455 hci_copy_identity_address(hdev,
4456 &conn->init_addr,
4457 &conn->init_addr_type);
4458 }
cb1d68f7 4459 }
9489eca4
JH		 4460 } else {
4461 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4462 }
fcd89c09 4463
80c24ab8
JH		 4464 if (!conn->out) {
4465 /* Set the responder (our side) address type based on
4466 * the advertising address type.
4467 */
4468 conn->resp_addr_type = hdev->adv_addr_type;
4469 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4470 bacpy(&conn->resp_addr, &hdev->random_addr);
4471 else
4472 bacpy(&conn->resp_addr, &hdev->bdaddr);
4473
4474 conn->init_addr_type = ev->bdaddr_type;
4475 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4476
4477 /* For incoming connections, set the default minimum
4478 * and maximum connection interval. They will be used
4479 * to check if the parameters are in range and if not
4480 * trigger the connection update procedure.
4481 */
4482 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4483 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4484 }
7be2edbb 4485
edb4b466
MH		 4486 /* Lookup the identity address from the stored connection
4487 * address and address type.
4488 *
4489 * When establishing connections to an identity address, the
4490 * connection procedure will store the resolvable random
4491 * address first. Now if it can be converted back into the
4492 * identity address, start using the identity address from
4493 * now on.
4494 */
4495 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4496 if (irk) {
4497 bacpy(&conn->dst, &irk->bdaddr);
4498 conn->dst_type = irk->addr_type;
4499 }
4500
2d3c2260
JH		 4501 if (ev->status) {
4502 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4503 goto unlock;
4504 }
4505
08853f18
JH		 4506 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4507 addr_type = BDADDR_LE_PUBLIC;
4508 else
4509 addr_type = BDADDR_LE_RANDOM;
4510
2d3c2260
JH		 4511 /* Drop the connection if the device is blocked */
4512 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4513 hci_conn_drop(conn);
cd17decb
AG		 4514 goto unlock;
4515 }
4516
b644ba33 4517 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4518 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4519
7b5c0d52 4520 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4521 conn->handle = __le16_to_cpu(ev->handle);
4522 conn->state = BT_CONNECTED;
4523
e04fde60
MH		 4524 conn->le_conn_interval = le16_to_cpu(ev->interval);
4525 conn->le_conn_latency = le16_to_cpu(ev->latency);
4526 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4527
23b9ceb7 4528 hci_debugfs_create_conn(conn);
fcd89c09
VT		 4529 hci_conn_add_sysfs(conn);
4530
539c496d 4531 hci_connect_cfm(conn, ev->status);
fcd89c09 4532
5477610f
JH		 4533 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4534 conn->dst_type);
f161dd41 4535 if (params) {
95305baa 4536 list_del_init(&params->action);
f161dd41
JH		 4537 if (params->conn) {
4538 hci_conn_drop(params->conn);
f8aaf9b6 4539 hci_conn_put(params->conn);
f161dd41
JH		 4540 params->conn = NULL;
4541 }
4542 }
a4790dbd 4543
fcd89c09 4544unlock:
223683a5 4545 hci_update_background_scan(hdev);
fcd89c09
VT		 4546 hci_dev_unlock(hdev);
4547}
4548
1855d92d
MH		 4549static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4550 struct sk_buff *skb)
4551{
4552 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4553 struct hci_conn *conn;
4554
4555 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4556
4557 if (ev->status)
4558 return;
4559
4560 hci_dev_lock(hdev);
4561
4562 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4563 if (conn) {
4564 conn->le_conn_interval = le16_to_cpu(ev->interval);
4565 conn->le_conn_latency = le16_to_cpu(ev->latency);
4566 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4567 }
4568
4569 hci_dev_unlock(hdev);
4570}
4571
a4790dbd 4572/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4573static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4574 bdaddr_t *addr,
4575 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4576{
4577 struct hci_conn *conn;
4b9e7e75 4578 struct hci_conn_params *params;
a4790dbd 4579
1c1abcab
JH		 4580 /* If the event is not connectable don't proceed further */
4581 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4582 return NULL;
1c1abcab
JH		 4583
4584 /* Ignore if the device is blocked */
dcc36c16 4585 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4586 return NULL;
1c1abcab 4587
f99353cf
JH		 4588 /* Most controller will fail if we try to create new connections
4589 * while we have an existing one in slave role.
4590 */
4591 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4592 return NULL;
f99353cf 4593
1c1abcab
JH		 4594 /* If we're not connectable only connect devices that we have in
4595 * our pend_le_conns list.
4596 */
4b9e7e75
MH		 4597 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4598 addr, addr_type);
4599 if (!params)
fd45ada9 4600 return NULL;
4b9e7e75
MH		 4601
4602 switch (params->auto_connect) {
4603 case HCI_AUTO_CONN_DIRECT:
4604 /* Only devices advertising with ADV_DIRECT_IND are
4605 * triggering a connection attempt. This is allowing
4606 * incoming connections from slave devices.
4607 */
4608 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4609 return NULL;
4b9e7e75
MH		 4610 break;
4611 case HCI_AUTO_CONN_ALWAYS:
4612 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4613 * are triggering a connection attempt. This means
4614 * that incoming connectioms from slave device are
4615 * accepted and also outgoing connections to slave
4616 * devices are established when found.
4617 */
4618 break;
4619 default:
fd45ada9 4620 return NULL;
4b9e7e75 4621 }
a4790dbd
AG		 4622
4623 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4624 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4625 if (!IS_ERR(conn)) {
4626 /* Store the pointer since we don't really have any
4627 * other owner of the object besides the params that
4628 * triggered it. This way we can abort the connection if
4629 * the parameters get removed and keep the reference
4630 * count consistent once the connection is established.
4631 */
f8aaf9b6 4632 params->conn = hci_conn_get(conn);
fd45ada9 4633 return conn;
f161dd41 4634 }
a4790dbd
AG		 4635
4636 switch (PTR_ERR(conn)) {
4637 case -EBUSY:
4638 /* If hci_connect() returns -EBUSY it means there is already
4639 * an LE connection attempt going on. Since controllers don't
4640 * support more than one connection attempt at the time, we
4641 * don't consider this an error case.
4642 */
4643 break;
4644 default:
4645 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4646 return NULL;
a4790dbd 4647 }
fd45ada9
AA		 4648
4649 return NULL;
a4790dbd
AG		 4650}
4651
4af605d8 4652static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
2f010b55
MH		 4653 u8 bdaddr_type, bdaddr_t *direct_addr,
4654 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4af605d8 4655{
b9a6328f 4656 struct discovery_state *d = &hdev->discovery;
1c1abcab 4657 struct smp_irk *irk;
fd45ada9 4658 struct hci_conn *conn;
474ee066 4659 bool match;
c70a7e4c 4660 u32 flags;
b9a6328f 4661
2f010b55
MH		 4662 /* If the direct address is present, then this report is from
4663 * a LE Direct Advertising Report event. In that case it is
4664 * important to see if the address is matching the local
4665 * controller address.
4666 */
4667 if (direct_addr) {
4668 /* Only resolvable random addresses are valid for these
4669 * kind of reports and others can be ignored.
4670 */
4671 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4672 return;
4673
4674 /* If the controller is not using resolvable random
4675 * addresses, then this report can be ignored.
4676 */
d7a5a11d 4677 if (!hci_dev_test_flag(hdev, HCI_PRIVACY))
2f010b55
MH		 4678 return;
4679
4680 /* If the local IRK of the controller does not match
4681 * with the resolvable random address provided, then
4682 * this report can be ignored.
4683 */
4684 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4685 return;
4686 }
4687
1c1abcab
JH		 4688 /* Check if we need to convert to identity address */
4689 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4690 if (irk) {
4691 bdaddr = &irk->bdaddr;
4692 bdaddr_type = irk->addr_type;
4693 }
4694
4695 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4696 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4697 if (conn && type == LE_ADV_IND) {
4698 /* Store report for later inclusion by
4699 * mgmt_device_connected
4700 */
4701 memcpy(conn->le_adv_data, data, len);
4702 conn->le_adv_data_len = len;
4703 }
1c1abcab 4704
0d2bf134
JH		 4705 /* Passive scanning shouldn't trigger any device found events,
4706 * except for devices marked as CONN_REPORT for which we do send
4707 * device found events.
4708 */
ca5c4be7 4709 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4710 if (type == LE_ADV_DIRECT_IND)
4711 return;
4712
3a19b6fe
JH		 4713 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4714 bdaddr, bdaddr_type))
0d2bf134
JH		 4715 return;
4716
4717 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4718 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4719 else
4720 flags = 0;
4721 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4722 rssi, flags, data, len, NULL, 0);
97bf2e99 4723 return;
ca5c4be7 4724 }
4af605d8 4725
c70a7e4c
MH		 4726 /* When receiving non-connectable or scannable undirected
4727 * advertising reports, this means that the remote device is
4728 * not connectable and then clearly indicate this in the
4729 * device found event.
4730 *
4731 * When receiving a scan response, then there is no way to
4732 * know if the remote device is connectable or not. However
4733 * since scan responses are merged with a previously seen
4734 * advertising report, the flags field from that report
4735 * will be used.
4736 *
4737 * In the really unlikely case that a controller get confused
4738 * and just sends a scan response event, then it is marked as
4739 * not connectable as well.
4740 */
4741 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4742 type == LE_ADV_SCAN_RSP)
4743 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4744 else
4745 flags = 0;
4746
b9a6328f
JH		 4747 /* If there's nothing pending either store the data from this
4748 * event or send an immediate device found event if the data
4749 * should not be stored for later.
4750 */
4751 if (!has_pending_adv_report(hdev)) {
4752 /* If the report will trigger a SCAN_REQ store it for
4753 * later merging.
4754 */
4755 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4756 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4757 rssi, flags, data, len);
b9a6328f
JH		 4758 return;
4759 }
4760
4761 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4762 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4763 return;
4764 }
4765
474ee066
JH		 4766 /* Check if the pending report is for the same device as the new one */
4767 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4768 bdaddr_type == d->last_adv_addr_type);
4769
b9a6328f
JH		 4770 /* If the pending data doesn't match this report or this isn't a
4771 * scan response (e.g. we got a duplicate ADV_IND) then force
4772 * sending of the pending data.
4773 */
474ee066
JH		 4774 if (type != LE_ADV_SCAN_RSP || !match) {
4775 /* Send out whatever is in the cache, but skip duplicates */
4776 if (!match)
4777 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4778 d->last_adv_addr_type, NULL,
c70a7e4c 4779 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4780 d->last_adv_data,
474ee066 4781 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4782
4783 /* If the new report will trigger a SCAN_REQ store it for
4784 * later merging.
4785 */
4786 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4787 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4788 rssi, flags, data, len);
b9a6328f
JH		 4789 return;
4790 }
4791
4792 /* The advertising reports cannot be merged, so clear
4793 * the pending report and send out a device found event.
4794 */
4795 clear_pending_adv_report(hdev);
5c5b93e4 4796 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4797 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4798 return;
4799 }
4800
4801 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4802 * the new event is a SCAN_RSP. We can therefore proceed with
4803 * sending a merged device found event.
4804 */
4805 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4806 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4807 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4808 clear_pending_adv_report(hdev);
4af605d8
JH		 4809}
4810
6039aa73 4811static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4812{
e95beb41
AG		 4813 u8 num_reports = skb->data[0];
4814 void *ptr = &skb->data[1];
9aa04c91 4815
a4790dbd
AG		 4816 hci_dev_lock(hdev);
4817
e95beb41
AG		 4818 while (num_reports--) {
4819 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4820 s8 rssi;
a4790dbd 4821
3c9e9195 4822 rssi = ev->data[ev->length];
4af605d8 4823 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
2f010b55
MH		 4824 ev->bdaddr_type, NULL, 0, rssi,
4825 ev->data, ev->length);
3c9e9195 4826
e95beb41 4827 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4828 }
a4790dbd
AG		 4829
4830 hci_dev_unlock(hdev);
9aa04c91
AG		 4831}
4832
6039aa73 4833static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4834{
4835 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4836 struct hci_cp_le_ltk_reply cp;
bea710fe 4837 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4838 struct hci_conn *conn;
c9839a11 4839 struct smp_ltk *ltk;
a7a595f6 4840
9f1db00c 4841 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4842
4843 hci_dev_lock(hdev);
4844
4845 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4846 if (conn == NULL)
4847 goto not_found;
a7a595f6 4848
f3a73d97 4849 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
5378bc56 4850 if (!ltk)
bea710fe
VCG		 4851 goto not_found;
4852
5378bc56
JH		 4853 if (smp_ltk_is_sc(ltk)) {
4854 /* With SC both EDiv and Rand are set to zero */
4855 if (ev->ediv || ev->rand)
4856 goto not_found;
4857 } else {
4858 /* For non-SC keys check that EDiv and Rand match */
4859 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4860 goto not_found;
4861 }
4862
bea710fe 4863 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4864 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4865
a6f7833c 4866 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4867
89cbb4da 4868 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4869
4870 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4871
5981a882
CT		 4872 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4873 * temporary key used to encrypt a connection following
4874 * pairing. It is used during the Encrypted Session Setup to
4875 * distribute the keys. Later, security can be re-established
4876 * using a distributed LTK.
4877 */
2ceba539 4878 if (ltk->type == SMP_STK) {
fe59a05f 4879 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
970d0f1b
JH		 4880 list_del_rcu(&ltk->list);
4881 kfree_rcu(ltk, rcu);
fe59a05f
JH		 4882 } else {
4883 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4884 }
4885
a7a595f6 4886 hci_dev_unlock(hdev);
bea710fe
VCG		 4887
4888 return;
4889
4890not_found:
4891 neg.handle = ev->handle;
4892 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4893 hci_dev_unlock(hdev);
a7a595f6
VCG		 4894}
4895
8e75b46a
AG		 4896static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4897 u8 reason)
4898{
4899 struct hci_cp_le_conn_param_req_neg_reply cp;
4900
4901 cp.handle = cpu_to_le16(handle);
4902 cp.reason = reason;
4903
4904 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4905 &cp);
4906}
4907
4908static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4909 struct sk_buff *skb)
4910{
4911 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4912 struct hci_cp_le_conn_param_req_reply cp;
4913 struct hci_conn *hcon;
4914 u16 handle, min, max, latency, timeout;
4915
4916 handle = le16_to_cpu(ev->handle);
4917 min = le16_to_cpu(ev->interval_min);
4918 max = le16_to_cpu(ev->interval_max);
4919 latency = le16_to_cpu(ev->latency);
4920 timeout = le16_to_cpu(ev->timeout);
4921
4922 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4923 if (!hcon || hcon->state != BT_CONNECTED)
4924 return send_conn_param_neg_reply(hdev, handle,
4925 HCI_ERROR_UNKNOWN_CONN_ID);
4926
4927 if (hci_check_conn_params(min, max, latency, timeout))
4928 return send_conn_param_neg_reply(hdev, handle,
4929 HCI_ERROR_INVALID_LL_PARAMS);
4930
40bef302 4931 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4932 struct hci_conn_params *params;
f4869e2a 4933 u8 store_hint;
348d50b8
JH		 4934
4935 hci_dev_lock(hdev);
4936
4937 params = hci_conn_params_lookup(hdev, &hcon->dst,
4938 hcon->dst_type);
4939 if (params) {
4940 params->conn_min_interval = min;
4941 params->conn_max_interval = max;
4942 params->conn_latency = latency;
4943 params->supervision_timeout = timeout;
f4869e2a
JH		 4944 store_hint = 0x01;
4945 } else{
4946 store_hint = 0x00;
348d50b8
JH		 4947 }
4948
4949 hci_dev_unlock(hdev);
4950
f4869e2a
JH		 4951 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4952 store_hint, min, max, latency, timeout);
348d50b8 4953 }
ffb5a827 4954
8e75b46a
AG		 4955 cp.handle = ev->handle;
4956 cp.interval_min = ev->interval_min;
4957 cp.interval_max = ev->interval_max;
4958 cp.latency = ev->latency;
4959 cp.timeout = ev->timeout;
4960 cp.min_ce_len = 0;
4961 cp.max_ce_len = 0;
4962
4963 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4964}
4965
2f010b55
MH		 4966static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4967 struct sk_buff *skb)
4968{
4969 u8 num_reports = skb->data[0];
4970 void *ptr = &skb->data[1];
4971
4972 hci_dev_lock(hdev);
4973
4974 while (num_reports--) {
4975 struct hci_ev_le_direct_adv_info *ev = ptr;
4976
4977 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4978 ev->bdaddr_type, &ev->direct_addr,
4979 ev->direct_addr_type, ev->rssi, NULL, 0);
4980
4981 ptr += sizeof(*ev);
4982 }
4983
4984 hci_dev_unlock(hdev);
4985}
4986
6039aa73 4987static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4988{
4989 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4990
4991 skb_pull(skb, sizeof(*le_ev));
4992
4993 switch (le_ev->subevent) {
4994 case HCI_EV_LE_CONN_COMPLETE:
4995 hci_le_conn_complete_evt(hdev, skb);
4996 break;
4997
1855d92d
MH		 4998 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4999 hci_le_conn_update_complete_evt(hdev, skb);
5000 break;
5001
9aa04c91
AG		 5002 case HCI_EV_LE_ADVERTISING_REPORT:
5003 hci_le_adv_report_evt(hdev, skb);
5004 break;
5005
a7a595f6
VCG		 5006 case HCI_EV_LE_LTK_REQ:
5007 hci_le_ltk_request_evt(hdev, skb);
5008 break;
5009
8e75b46a
AG		 5010 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
5011 hci_le_remote_conn_param_req_evt(hdev, skb);
5012 break;
5013
2f010b55
MH		 5014 case HCI_EV_LE_DIRECT_ADV_REPORT:
5015 hci_le_direct_adv_report_evt(hdev, skb);
5016 break;
5017
fcd89c09
VT		 5018 default:
5019 break;
5020 }
5021}
5022
9495b2ee
AE		 5023static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
5024{
5025 struct hci_ev_channel_selected *ev = (void *) skb->data;
5026 struct hci_conn *hcon;
5027
5028 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
5029
5030 skb_pull(skb, sizeof(*ev));
5031
5032 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
5033 if (!hcon)
5034 return;
5035
5036 amp_read_loc_assoc_final_data(hdev, hcon);
5037}
5038
a9de9248
MH		 5039void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
5040{
5041 struct hci_event_hdr *hdr = (void *) skb->data;
5042 __u8 event = hdr->evt;
5043
b6ddb638
JH		 5044 hci_dev_lock(hdev);
5045
5046 /* Received events are (currently) only needed when a request is
5047 * ongoing so avoid unnecessary memory allocation.
5048 */
899de765 5049 if (hci_req_pending(hdev)) {
b6ddb638
JH		 5050 kfree_skb(hdev->recv_evt);
5051 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
5052 }
5053
5054 hci_dev_unlock(hdev);
5055
a9de9248
MH		 5056 skb_pull(skb, HCI_EVENT_HDR_SIZE);
5057
db6e3e8d 5058 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 5059 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
5060 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 5061
5062 hci_req_cmd_complete(hdev, opcode, 0);
5063 }
5064
a9de9248 5065 switch (event) {
1da177e4
LT		 5066 case HCI_EV_INQUIRY_COMPLETE:
5067 hci_inquiry_complete_evt(hdev, skb);
5068 break;
5069
5070 case HCI_EV_INQUIRY_RESULT:
5071 hci_inquiry_result_evt(hdev, skb);
5072 break;
5073
a9de9248
MH		 5074 case HCI_EV_CONN_COMPLETE:
5075 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 5076 break;
5077
1da177e4
LT		 5078 case HCI_EV_CONN_REQUEST:
5079 hci_conn_request_evt(hdev, skb);
5080 break;
5081
1da177e4
LT		 5082 case HCI_EV_DISCONN_COMPLETE:
5083 hci_disconn_complete_evt(hdev, skb);
5084 break;
5085
1da177e4
LT		 5086 case HCI_EV_AUTH_COMPLETE:
5087 hci_auth_complete_evt(hdev, skb);
5088 break;
5089
a9de9248
MH		 5090 case HCI_EV_REMOTE_NAME:
5091 hci_remote_name_evt(hdev, skb);
5092 break;
5093
1da177e4
LT		 5094 case HCI_EV_ENCRYPT_CHANGE:
5095 hci_encrypt_change_evt(hdev, skb);
5096 break;
5097
a9de9248
MH		 5098 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
5099 hci_change_link_key_complete_evt(hdev, skb);
5100 break;
5101
5102 case HCI_EV_REMOTE_FEATURES:
5103 hci_remote_features_evt(hdev, skb);
5104 break;
5105
a9de9248
MH		 5106 case HCI_EV_CMD_COMPLETE:
5107 hci_cmd_complete_evt(hdev, skb);
5108 break;
5109
5110 case HCI_EV_CMD_STATUS:
5111 hci_cmd_status_evt(hdev, skb);
5112 break;
5113
24dfa343
MH		 5114 case HCI_EV_HARDWARE_ERROR:
5115 hci_hardware_error_evt(hdev, skb);
5116 break;
5117
a9de9248
MH		 5118 case HCI_EV_ROLE_CHANGE:
5119 hci_role_change_evt(hdev, skb);
5120 break;
5121
5122 case HCI_EV_NUM_COMP_PKTS:
5123 hci_num_comp_pkts_evt(hdev, skb);
5124 break;
5125
5126 case HCI_EV_MODE_CHANGE:
5127 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 5128 break;
5129
5130 case HCI_EV_PIN_CODE_REQ:
5131 hci_pin_code_request_evt(hdev, skb);
5132 break;
5133
5134 case HCI_EV_LINK_KEY_REQ:
5135 hci_link_key_request_evt(hdev, skb);
5136 break;
5137
5138 case HCI_EV_LINK_KEY_NOTIFY:
5139 hci_link_key_notify_evt(hdev, skb);
5140 break;
5141
5142 case HCI_EV_CLOCK_OFFSET:
5143 hci_clock_offset_evt(hdev, skb);
5144 break;
5145
a8746417
MH		 5146 case HCI_EV_PKT_TYPE_CHANGE:
5147 hci_pkt_type_change_evt(hdev, skb);
5148 break;
5149
85a1e930
MH		 5150 case HCI_EV_PSCAN_REP_MODE:
5151 hci_pscan_rep_mode_evt(hdev, skb);
5152 break;
5153
a9de9248
MH		 5154 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
5155 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 5156 break;
5157
a9de9248
MH		 5158 case HCI_EV_REMOTE_EXT_FEATURES:
5159 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 5160 break;
5161
a9de9248
MH		 5162 case HCI_EV_SYNC_CONN_COMPLETE:
5163 hci_sync_conn_complete_evt(hdev, skb);
5164 break;
1da177e4 5165
a9de9248
MH		 5166 case HCI_EV_EXTENDED_INQUIRY_RESULT:
5167 hci_extended_inquiry_result_evt(hdev, skb);
5168 break;
1da177e4 5169
1c2e0041
JH		 5170 case HCI_EV_KEY_REFRESH_COMPLETE:
5171 hci_key_refresh_complete_evt(hdev, skb);
5172 break;
5173
0493684e
MH		 5174 case HCI_EV_IO_CAPA_REQUEST:
5175 hci_io_capa_request_evt(hdev, skb);
5176 break;
5177
03b555e1
JH		 5178 case HCI_EV_IO_CAPA_REPLY:
5179 hci_io_capa_reply_evt(hdev, skb);
5180 break;
5181
a5c29683
JH		 5182 case HCI_EV_USER_CONFIRM_REQUEST:
5183 hci_user_confirm_request_evt(hdev, skb);
5184 break;
5185
1143d458
BG		 5186 case HCI_EV_USER_PASSKEY_REQUEST:
5187 hci_user_passkey_request_evt(hdev, skb);
5188 break;
5189
92a25256
JH		 5190 case HCI_EV_USER_PASSKEY_NOTIFY:
5191 hci_user_passkey_notify_evt(hdev, skb);
5192 break;
5193
5194 case HCI_EV_KEYPRESS_NOTIFY:
5195 hci_keypress_notify_evt(hdev, skb);
5196 break;
5197
0493684e
MH		 5198 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5199 hci_simple_pair_complete_evt(hdev, skb);
5200 break;
5201
41a96212
MH		 5202 case HCI_EV_REMOTE_HOST_FEATURES:
5203 hci_remote_host_features_evt(hdev, skb);
5204 break;
5205
fcd89c09
VT		 5206 case HCI_EV_LE_META:
5207 hci_le_meta_evt(hdev, skb);
5208 break;
5209
9495b2ee
AE		 5210 case HCI_EV_CHANNEL_SELECTED:
5211 hci_chan_selected_evt(hdev, skb);
5212 break;
5213
2763eda6
SJ		 5214 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5215 hci_remote_oob_data_request_evt(hdev, skb);
5216 break;
5217
d5e91192
AE		 5218 case HCI_EV_PHY_LINK_COMPLETE:
5219 hci_phy_link_complete_evt(hdev, skb);
5220 break;
5221
27695fb4
AE		 5222 case HCI_EV_LOGICAL_LINK_COMPLETE:
5223 hci_loglink_complete_evt(hdev, skb);
5224 break;
5225
606e2a10
AE		 5226 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5227 hci_disconn_loglink_complete_evt(hdev, skb);
5228 break;
5229
9eef6b3a
AE		 5230 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5231 hci_disconn_phylink_complete_evt(hdev, skb);
5232 break;
5233
25e89e99
AE		 5234 case HCI_EV_NUM_COMP_BLOCKS:
5235 hci_num_comp_blocks_evt(hdev, skb);
5236 break;
5237
a9de9248 5238 default:
9f1db00c 5239 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 5240 break;
5241 }
5242
5243 kfree_skb(skb);
5244 hdev->stat.evt_rx++;
5245}
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