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Bluetooth: Remove unused hci_req_pending() function
[mirror_ubuntu-artful-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
e6214487
JH		 2734static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
2735 u16 *opcode, u8 *status,
2736 hci_req_complete_t *req_complete,
2737 hci_req_complete_skb_t *req_complete_skb)
a9de9248
MH		 2738{
2739 struct hci_ev_cmd_complete *ev = (void *) skb->data;
a9de9248 2740
e6214487
JH		 2741 *opcode = __le16_to_cpu(ev->opcode);
2742 *status = skb->data[sizeof(*ev)];
a9de9248 2743
e6214487 2744 skb_pull(skb, sizeof(*ev));
a9de9248 2745
e6214487 2746 switch (*opcode) {
a9de9248
MH		 2747 case HCI_OP_INQUIRY_CANCEL:
2748 hci_cc_inquiry_cancel(hdev, skb);
2749 break;
2750
4d93483b
AG		 2751 case HCI_OP_PERIODIC_INQ:
2752 hci_cc_periodic_inq(hdev, skb);
2753 break;
2754
a9de9248
MH		 2755 case HCI_OP_EXIT_PERIODIC_INQ:
2756 hci_cc_exit_periodic_inq(hdev, skb);
2757 break;
2758
2759 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2760 hci_cc_remote_name_req_cancel(hdev, skb);
2761 break;
2762
2763 case HCI_OP_ROLE_DISCOVERY:
2764 hci_cc_role_discovery(hdev, skb);
2765 break;
2766
e4e8e37c
MH		 2767 case HCI_OP_READ_LINK_POLICY:
2768 hci_cc_read_link_policy(hdev, skb);
2769 break;
2770
a9de9248
MH		 2771 case HCI_OP_WRITE_LINK_POLICY:
2772 hci_cc_write_link_policy(hdev, skb);
2773 break;
2774
e4e8e37c
MH		 2775 case HCI_OP_READ_DEF_LINK_POLICY:
2776 hci_cc_read_def_link_policy(hdev, skb);
2777 break;
2778
2779 case HCI_OP_WRITE_DEF_LINK_POLICY:
2780 hci_cc_write_def_link_policy(hdev, skb);
2781 break;
2782
a9de9248
MH		 2783 case HCI_OP_RESET:
2784 hci_cc_reset(hdev, skb);
2785 break;
2786
c2f0f979
MH		 2787 case HCI_OP_READ_STORED_LINK_KEY:
2788 hci_cc_read_stored_link_key(hdev, skb);
2789 break;
2790
a9366120
MH		 2791 case HCI_OP_DELETE_STORED_LINK_KEY:
2792 hci_cc_delete_stored_link_key(hdev, skb);
2793 break;
2794
a9de9248
MH		 2795 case HCI_OP_WRITE_LOCAL_NAME:
2796 hci_cc_write_local_name(hdev, skb);
2797 break;
2798
2799 case HCI_OP_READ_LOCAL_NAME:
2800 hci_cc_read_local_name(hdev, skb);
2801 break;
2802
2803 case HCI_OP_WRITE_AUTH_ENABLE:
2804 hci_cc_write_auth_enable(hdev, skb);
2805 break;
2806
2807 case HCI_OP_WRITE_ENCRYPT_MODE:
2808 hci_cc_write_encrypt_mode(hdev, skb);
2809 break;
2810
2811 case HCI_OP_WRITE_SCAN_ENABLE:
2812 hci_cc_write_scan_enable(hdev, skb);
2813 break;
2814
2815 case HCI_OP_READ_CLASS_OF_DEV:
2816 hci_cc_read_class_of_dev(hdev, skb);
2817 break;
2818
2819 case HCI_OP_WRITE_CLASS_OF_DEV:
2820 hci_cc_write_class_of_dev(hdev, skb);
2821 break;
2822
2823 case HCI_OP_READ_VOICE_SETTING:
2824 hci_cc_read_voice_setting(hdev, skb);
2825 break;
2826
2827 case HCI_OP_WRITE_VOICE_SETTING:
2828 hci_cc_write_voice_setting(hdev, skb);
2829 break;
2830
b4cb9fb2
MH		 2831 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2832 hci_cc_read_num_supported_iac(hdev, skb);
2833 break;
2834
333140b5
MH		 2835 case HCI_OP_WRITE_SSP_MODE:
2836 hci_cc_write_ssp_mode(hdev, skb);
2837 break;
2838
eac83dc6
MH		 2839 case HCI_OP_WRITE_SC_SUPPORT:
2840 hci_cc_write_sc_support(hdev, skb);
2841 break;
2842
a9de9248
MH		 2843 case HCI_OP_READ_LOCAL_VERSION:
2844 hci_cc_read_local_version(hdev, skb);
2845 break;
2846
2847 case HCI_OP_READ_LOCAL_COMMANDS:
2848 hci_cc_read_local_commands(hdev, skb);
2849 break;
2850
2851 case HCI_OP_READ_LOCAL_FEATURES:
2852 hci_cc_read_local_features(hdev, skb);
2853 break;
2854
971e3a4b
AG		 2855 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2856 hci_cc_read_local_ext_features(hdev, skb);
2857 break;
2858
a9de9248
MH		 2859 case HCI_OP_READ_BUFFER_SIZE:
2860 hci_cc_read_buffer_size(hdev, skb);
2861 break;
2862
2863 case HCI_OP_READ_BD_ADDR:
2864 hci_cc_read_bd_addr(hdev, skb);
2865 break;
2866
f332ec66
JH		 2867 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2868 hci_cc_read_page_scan_activity(hdev, skb);
2869 break;
2870
4a3ee763
JH		 2871 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2872 hci_cc_write_page_scan_activity(hdev, skb);
2873 break;
2874
f332ec66
JH		 2875 case HCI_OP_READ_PAGE_SCAN_TYPE:
2876 hci_cc_read_page_scan_type(hdev, skb);
2877 break;
2878
4a3ee763
JH		 2879 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2880 hci_cc_write_page_scan_type(hdev, skb);
2881 break;
2882
350ee4cf
AE		 2883 case HCI_OP_READ_DATA_BLOCK_SIZE:
2884 hci_cc_read_data_block_size(hdev, skb);
2885 break;
2886
1e89cffb
AE		 2887 case HCI_OP_READ_FLOW_CONTROL_MODE:
2888 hci_cc_read_flow_control_mode(hdev, skb);
2889 break;
2890
928abaa7
AE		 2891 case HCI_OP_READ_LOCAL_AMP_INFO:
2892 hci_cc_read_local_amp_info(hdev, skb);
2893 break;
2894
33f35721
JH		 2895 case HCI_OP_READ_CLOCK:
2896 hci_cc_read_clock(hdev, skb);
2897 break;
2898
903e4541
AE		 2899 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2900 hci_cc_read_local_amp_assoc(hdev, skb);
2901 break;
2902
d5859e22
JH		 2903 case HCI_OP_READ_INQ_RSP_TX_POWER:
2904 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2905 break;
2906
980e1a53
JH		 2907 case HCI_OP_PIN_CODE_REPLY:
2908 hci_cc_pin_code_reply(hdev, skb);
2909 break;
2910
2911 case HCI_OP_PIN_CODE_NEG_REPLY:
2912 hci_cc_pin_code_neg_reply(hdev, skb);
2913 break;
2914
c35938b2 2915 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2916 hci_cc_read_local_oob_data(hdev, skb);
2917 break;
2918
2919 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2920 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2921 break;
2922
6ed58ec5
VT		 2923 case HCI_OP_LE_READ_BUFFER_SIZE:
2924 hci_cc_le_read_buffer_size(hdev, skb);
2925 break;
2926
60e77321
JH		 2927 case HCI_OP_LE_READ_LOCAL_FEATURES:
2928 hci_cc_le_read_local_features(hdev, skb);
2929 break;
2930
8fa19098
JH		 2931 case HCI_OP_LE_READ_ADV_TX_POWER:
2932 hci_cc_le_read_adv_tx_power(hdev, skb);
2933 break;
2934
a5c29683
JH		 2935 case HCI_OP_USER_CONFIRM_REPLY:
2936 hci_cc_user_confirm_reply(hdev, skb);
2937 break;
2938
2939 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2940 hci_cc_user_confirm_neg_reply(hdev, skb);
2941 break;
2942
1143d458
BG		 2943 case HCI_OP_USER_PASSKEY_REPLY:
2944 hci_cc_user_passkey_reply(hdev, skb);
2945 break;
2946
2947 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2948 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2949 break;
07f7fa5d 2950
7a4cd51d
MH		 2951 case HCI_OP_LE_SET_RANDOM_ADDR:
2952 hci_cc_le_set_random_addr(hdev, skb);
2953 break;
2954
c1d5dc4a
JH		 2955 case HCI_OP_LE_SET_ADV_ENABLE:
2956 hci_cc_le_set_adv_enable(hdev, skb);
2957 break;
2958
533553f8
MH		 2959 case HCI_OP_LE_SET_SCAN_PARAM:
2960 hci_cc_le_set_scan_param(hdev, skb);
2961 break;
2962
eb9d91f5
AG		 2963 case HCI_OP_LE_SET_SCAN_ENABLE:
2964 hci_cc_le_set_scan_enable(hdev, skb);
2965 break;
2966
cf1d081f
JH		 2967 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2968 hci_cc_le_read_white_list_size(hdev, skb);
2969 break;
2970
0f36b589
MH		 2971 case HCI_OP_LE_CLEAR_WHITE_LIST:
2972 hci_cc_le_clear_white_list(hdev, skb);
2973 break;
2974
2975 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2976 hci_cc_le_add_to_white_list(hdev, skb);
2977 break;
2978
2979 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2980 hci_cc_le_del_from_white_list(hdev, skb);
2981 break;
2982
9b008c04
JH		 2983 case HCI_OP_LE_READ_SUPPORTED_STATES:
2984 hci_cc_le_read_supported_states(hdev, skb);
2985 break;
2986
a8e1bfaa
MH		 2987 case HCI_OP_LE_READ_DEF_DATA_LEN:
2988 hci_cc_le_read_def_data_len(hdev, skb);
2989 break;
2990
2991 case HCI_OP_LE_WRITE_DEF_DATA_LEN:
2992 hci_cc_le_write_def_data_len(hdev, skb);
2993 break;
2994
2995 case HCI_OP_LE_READ_MAX_DATA_LEN:
2996 hci_cc_le_read_max_data_len(hdev, skb);
2997 break;
2998
f9b49306
AG		 2999 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
3000 hci_cc_write_le_host_supported(hdev, skb);
3001 break;
3002
56ed2cb8
JH		 3003 case HCI_OP_LE_SET_ADV_PARAM:
3004 hci_cc_set_adv_param(hdev, skb);
3005 break;
3006
93c284ee
AE		 3007 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
3008 hci_cc_write_remote_amp_assoc(hdev, skb);
3009 break;
3010
5ae76a94
AK		 3011 case HCI_OP_READ_RSSI:
3012 hci_cc_read_rssi(hdev, skb);
3013 break;
3014
5a134fae
AK		 3015 case HCI_OP_READ_TX_POWER:
3016 hci_cc_read_tx_power(hdev, skb);
3017 break;
3018
c50b33c8
MH		 3019 case HCI_OP_WRITE_SSP_DEBUG_MODE:
3020 hci_cc_write_ssp_debug_mode(hdev, skb);
3021 break;
3022
a9de9248 3023 default:
e6214487 3024 BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode);
a9de9248
MH		 3025 break;
3026 }
3027
e6214487 3028 if (*opcode != HCI_OP_NOP)
65cc2b49 3029 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3030
600b2150
JH		 3031 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags))
3032 atomic_set(&hdev->cmd_cnt, 1);
3033
e6214487
JH		 3034 hci_req_cmd_complete(hdev, *opcode, *status, req_complete,
3035 req_complete_skb);
9238f36a 3036
600b2150
JH		 3037 if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
3038 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3039}
3040
e6214487
JH		 3041static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb,
3042 u16 *opcode, u8 *status,
3043 hci_req_complete_t *req_complete,
3044 hci_req_complete_skb_t *req_complete_skb)
a9de9248
MH		 3045{
3046 struct hci_ev_cmd_status *ev = (void *) skb->data;
a9de9248
MH		 3047
3048 skb_pull(skb, sizeof(*ev));
3049
e6214487
JH		 3050 *opcode = __le16_to_cpu(ev->opcode);
3051 *status = ev->status;
a9de9248 3052
e6214487 3053 switch (*opcode) {
a9de9248
MH		 3054 case HCI_OP_INQUIRY:
3055 hci_cs_inquiry(hdev, ev->status);
3056 break;
3057
3058 case HCI_OP_CREATE_CONN:
3059 hci_cs_create_conn(hdev, ev->status);
3060 break;
3061
9645c76c
KP		 3062 case HCI_OP_DISCONNECT:
3063 hci_cs_disconnect(hdev, ev->status);
3064 break;
3065
a9de9248
MH		 3066 case HCI_OP_ADD_SCO:
3067 hci_cs_add_sco(hdev, ev->status);
3068 break;
3069
f8558555
MH		 3070 case HCI_OP_AUTH_REQUESTED:
3071 hci_cs_auth_requested(hdev, ev->status);
3072 break;
3073
3074 case HCI_OP_SET_CONN_ENCRYPT:
3075 hci_cs_set_conn_encrypt(hdev, ev->status);
3076 break;
3077
a9de9248
MH		 3078 case HCI_OP_REMOTE_NAME_REQ:
3079 hci_cs_remote_name_req(hdev, ev->status);
3080 break;
3081
769be974
MH		 3082 case HCI_OP_READ_REMOTE_FEATURES:
3083 hci_cs_read_remote_features(hdev, ev->status);
3084 break;
3085
3086 case HCI_OP_READ_REMOTE_EXT_FEATURES:
3087 hci_cs_read_remote_ext_features(hdev, ev->status);
3088 break;
3089
a9de9248
MH		 3090 case HCI_OP_SETUP_SYNC_CONN:
3091 hci_cs_setup_sync_conn(hdev, ev->status);
3092 break;
3093
9645c76c
KP		 3094 case HCI_OP_CREATE_PHY_LINK:
3095 hci_cs_create_phylink(hdev, ev->status);
3096 break;
3097
3098 case HCI_OP_ACCEPT_PHY_LINK:
3099 hci_cs_accept_phylink(hdev, ev->status);
3100 break;
3101
a9de9248
MH		 3102 case HCI_OP_SNIFF_MODE:
3103 hci_cs_sniff_mode(hdev, ev->status);
3104 break;
3105
3106 case HCI_OP_EXIT_SNIFF_MODE:
3107 hci_cs_exit_sniff_mode(hdev, ev->status);
3108 break;
3109
50fc85f1
KP		 3110 case HCI_OP_SWITCH_ROLE:
3111 hci_cs_switch_role(hdev, ev->status);
3112 break;
3113
cb1d68f7
JH		 3114 case HCI_OP_LE_CREATE_CONN:
3115 hci_cs_le_create_conn(hdev, ev->status);
3116 break;
3117
81d0c8ad
JH		 3118 case HCI_OP_LE_START_ENC:
3119 hci_cs_le_start_enc(hdev, ev->status);
3120 break;
3121
a9de9248 3122 default:
e6214487 3123 BT_DBG("%s opcode 0x%4.4x", hdev->name, *opcode);
a9de9248
MH		 3124 break;
3125 }
3126
e6214487 3127 if (*opcode != HCI_OP_NOP)
65cc2b49 3128 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3129
600b2150
JH		 3130 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags))
3131 atomic_set(&hdev->cmd_cnt, 1);
3132
444c6dd5
JH		 3133 /* Indicate request completion if the command failed. Also, if
3134 * we're not waiting for a special event and we get a success
3135 * command status we should try to flag the request as completed
3136 * (since for this kind of commands there will not be a command
3137 * complete event).
3138 */
02350a72 3139 if (ev->status ||
db6e3e8d 3140 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
e6214487
JH		 3141 hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete,
3142 req_complete_skb);
9238f36a 3143
600b2150
JH		 3144 if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
3145 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3146}
3147
24dfa343
MH		 3148static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
3149{
3150 struct hci_ev_hardware_error *ev = (void *) skb->data;
3151
c7741d16
MH		 3152 hdev->hw_error_code = ev->code;
3153
3154 queue_work(hdev->req_workqueue, &hdev->error_reset);
24dfa343
MH		 3155}
3156
6039aa73 3157static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3158{
3159 struct hci_ev_role_change *ev = (void *) skb->data;
3160 struct hci_conn *conn;
3161
9f1db00c 3162 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 3163
3164 hci_dev_lock(hdev);
3165
3166 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3167 if (conn) {
40bef302
JH		 3168 if (!ev->status)
3169 conn->role = ev->role;
a9de9248 3170
51a8efd7 3171 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 3172
3173 hci_role_switch_cfm(conn, ev->status, ev->role);
3174 }
3175
3176 hci_dev_unlock(hdev);
3177}
3178
6039aa73 3179static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3180{
3181 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 3182 int i;
3183
32ac5b9b
AE		 3184 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3185 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3186 return;
3187 }
3188
c5993de8 3189 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3190 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 3191 BT_DBG("%s bad parameters", hdev->name);
3192 return;
3193 }
3194
c5993de8
AE		 3195 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3196
613a1c0c
AE		 3197 for (i = 0; i < ev->num_hndl; i++) {
3198 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3199 struct hci_conn *conn;
3200 __u16 handle, count;
3201
613a1c0c
AE		 3202 handle = __le16_to_cpu(info->handle);
3203 count = __le16_to_cpu(info->count);
a9de9248
MH		 3204
3205 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3206 if (!conn)
3207 continue;
3208
3209 conn->sent -= count;
3210
3211 switch (conn->type) {
3212 case ACL_LINK:
3213 hdev->acl_cnt += count;
3214 if (hdev->acl_cnt > hdev->acl_pkts)
3215 hdev->acl_cnt = hdev->acl_pkts;
3216 break;
3217
3218 case LE_LINK:
3219 if (hdev->le_pkts) {
3220 hdev->le_cnt += count;
3221 if (hdev->le_cnt > hdev->le_pkts)
3222 hdev->le_cnt = hdev->le_pkts;
3223 } else {
70f23020
AE		 3224 hdev->acl_cnt += count;
3225 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3226 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3227 }
f4280918
AE		 3228 break;
3229
3230 case SCO_LINK:
3231 hdev->sco_cnt += count;
3232 if (hdev->sco_cnt > hdev->sco_pkts)
3233 hdev->sco_cnt = hdev->sco_pkts;
3234 break;
3235
3236 default:
3237 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3238 break;
a9de9248
MH		 3239 }
3240 }
3241
3eff45ea 3242 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3243}
3244
76ef7cf7
AE		 3245static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3246 __u16 handle)
3247{
3248 struct hci_chan *chan;
3249
3250 switch (hdev->dev_type) {
3251 case HCI_BREDR:
3252 return hci_conn_hash_lookup_handle(hdev, handle);
3253 case HCI_AMP:
3254 chan = hci_chan_lookup_handle(hdev, handle);
3255 if (chan)
3256 return chan->conn;
3257 break;
3258 default:
3259 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3260 break;
3261 }
3262
3263 return NULL;
3264}
3265
6039aa73 3266static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3267{
3268 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3269 int i;
3270
3271 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3272 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3273 return;
3274 }
3275
3276 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3277 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3278 BT_DBG("%s bad parameters", hdev->name);
3279 return;
3280 }
3281
3282 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3283 ev->num_hndl);
25e89e99
AE		 3284
3285 for (i = 0; i < ev->num_hndl; i++) {
3286 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3287 struct hci_conn *conn = NULL;
25e89e99
AE		 3288 __u16 handle, block_count;
3289
3290 handle = __le16_to_cpu(info->handle);
3291 block_count = __le16_to_cpu(info->blocks);
3292
76ef7cf7 3293 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3294 if (!conn)
3295 continue;
3296
3297 conn->sent -= block_count;
3298
3299 switch (conn->type) {
3300 case ACL_LINK:
bd1eb66b 3301 case AMP_LINK:
25e89e99
AE		 3302 hdev->block_cnt += block_count;
3303 if (hdev->block_cnt > hdev->num_blocks)
3304 hdev->block_cnt = hdev->num_blocks;
3305 break;
3306
3307 default:
3308 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3309 break;
3310 }
3311 }
3312
3313 queue_work(hdev->workqueue, &hdev->tx_work);
3314}
3315
6039aa73 3316static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3317{
a9de9248 3318 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3319 struct hci_conn *conn;
3320
9f1db00c 3321 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3322
3323 hci_dev_lock(hdev);
3324
3325 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3326 if (conn) {
3327 conn->mode = ev->mode;
a9de9248 3328
8fc9ced3
GP		 3329 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3330 &conn->flags)) {
a9de9248 3331 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3332 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3333 else
58a681ef 3334 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3335 }
e73439d8 3336
51a8efd7 3337 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3338 hci_sco_setup(conn, ev->status);
04837f64
MH		 3339 }
3340
3341 hci_dev_unlock(hdev);
3342}
3343
6039aa73 3344static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3345{
052b30b0
MH		 3346 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3347 struct hci_conn *conn;
3348
a9de9248 3349 BT_DBG("%s", hdev->name);
052b30b0
MH		 3350
3351 hci_dev_lock(hdev);
3352
3353 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3354 if (!conn)
3355 goto unlock;
3356
3357 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3358 hci_conn_hold(conn);
3359 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3360 hci_conn_drop(conn);
052b30b0
MH		 3361 }
3362
d7a5a11d 3363 if (!hci_dev_test_flag(hdev, HCI_BONDABLE) &&
2f407f0a 3364 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3365 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3366 sizeof(ev->bdaddr), &ev->bdaddr);
d7a5a11d 3367 } else if (hci_dev_test_flag(hdev, HCI_MGMT)) {
a770bb5a
WR		 3368 u8 secure;
3369
3370 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3371 secure = 1;
3372 else
3373 secure = 0;
3374
744cf19e 3375 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3376 }
980e1a53 3377
b6f98044 3378unlock:
052b30b0 3379 hci_dev_unlock(hdev);
a9de9248
MH		 3380}
3381
cb6f3f7a
JH		 3382static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3383{
3384 if (key_type == HCI_LK_CHANGED_COMBINATION)
3385 return;
3386
3387 conn->pin_length = pin_len;
3388 conn->key_type = key_type;
3389
3390 switch (key_type) {
3391 case HCI_LK_LOCAL_UNIT:
3392 case HCI_LK_REMOTE_UNIT:
3393 case HCI_LK_DEBUG_COMBINATION:
3394 return;
3395 case HCI_LK_COMBINATION:
3396 if (pin_len == 16)
3397 conn->pending_sec_level = BT_SECURITY_HIGH;
3398 else
3399 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3400 break;
3401 case HCI_LK_UNAUTH_COMBINATION_P192:
3402 case HCI_LK_UNAUTH_COMBINATION_P256:
3403 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3404 break;
3405 case HCI_LK_AUTH_COMBINATION_P192:
3406 conn->pending_sec_level = BT_SECURITY_HIGH;
3407 break;
3408 case HCI_LK_AUTH_COMBINATION_P256:
3409 conn->pending_sec_level = BT_SECURITY_FIPS;
3410 break;
3411 }
3412}
3413
6039aa73 3414static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3415{
55ed8ca1
JH		 3416 struct hci_ev_link_key_req *ev = (void *) skb->data;
3417 struct hci_cp_link_key_reply cp;
3418 struct hci_conn *conn;
3419 struct link_key *key;
3420
a9de9248 3421 BT_DBG("%s", hdev->name);
55ed8ca1 3422
d7a5a11d 3423 if (!hci_dev_test_flag(hdev, HCI_MGMT))
55ed8ca1
JH		 3424 return;
3425
3426 hci_dev_lock(hdev);
3427
3428 key = hci_find_link_key(hdev, &ev->bdaddr);
3429 if (!key) {
6ed93dc6
AE		 3430 BT_DBG("%s link key not found for %pMR", hdev->name,
3431 &ev->bdaddr);
55ed8ca1
JH		 3432 goto not_found;
3433 }
3434
6ed93dc6
AE		 3435 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3436 &ev->bdaddr);
55ed8ca1 3437
55ed8ca1 3438 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3439 if (conn) {
fe8bc5ac
JH		 3440 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3441
66138ce8
MH		 3442 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3443 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3444 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3445 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3446 goto not_found;
3447 }
55ed8ca1 3448
60b83f57 3449 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3450 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3451 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3452 BT_DBG("%s ignoring key unauthenticated for high security",
3453 hdev->name);
60b83f57
WR		 3454 goto not_found;
3455 }
3456
cb6f3f7a 3457 conn_set_key(conn, key->type, key->pin_len);
55ed8ca1
JH		 3458 }
3459
3460 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3461 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3462
3463 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3464
3465 hci_dev_unlock(hdev);
3466
3467 return;
3468
3469not_found:
3470 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3471 hci_dev_unlock(hdev);
a9de9248
MH		 3472}
3473
6039aa73 3474static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3475{
052b30b0
MH		 3476 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3477 struct hci_conn *conn;
7652ff6a
JH		 3478 struct link_key *key;
3479 bool persistent;
55ed8ca1 3480 u8 pin_len = 0;
052b30b0 3481
a9de9248 3482 BT_DBG("%s", hdev->name);
052b30b0
MH		 3483
3484 hci_dev_lock(hdev);
3485
3486 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
82c13d42
JH		 3487 if (!conn)
3488 goto unlock;
3489
3490 hci_conn_hold(conn);
3491 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3492 hci_conn_drop(conn);
3493
fe8bc5ac 3494 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
82c13d42 3495 conn_set_key(conn, ev->key_type, conn->pin_length);
052b30b0 3496
d7a5a11d 3497 if (!hci_dev_test_flag(hdev, HCI_MGMT))
7652ff6a
JH		 3498 goto unlock;
3499
3500 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3501 ev->key_type, pin_len, &persistent);
3502 if (!key)
3503 goto unlock;
3504
cb6f3f7a
JH		 3505 /* Update connection information since adding the key will have
3506 * fixed up the type in the case of changed combination keys.
3507 */
3508 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3509 conn_set_key(conn, key->type, key->pin_len);
3510
7652ff6a 3511 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3512
6d5650c4
JH		 3513 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3514 * is set. If it's not set simply remove the key from the kernel
3515 * list (we've still notified user space about it but with
3516 * store_hint being 0).
3517 */
3518 if (key->type == HCI_LK_DEBUG_COMBINATION &&
d7a5a11d 3519 !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) {
0378b597
JH		 3520 list_del_rcu(&key->list);
3521 kfree_rcu(key, rcu);
82c13d42 3522 goto unlock;
6d5650c4 3523 }
7652ff6a 3524
82c13d42
JH		 3525 if (persistent)
3526 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3527 else
3528 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3529
7652ff6a 3530unlock:
052b30b0 3531 hci_dev_unlock(hdev);
a9de9248
MH		 3532}
3533
6039aa73 3534static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3535{
a9de9248 3536 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3537 struct hci_conn *conn;
1da177e4 3538
9f1db00c 3539 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3540
3541 hci_dev_lock(hdev);
3542
04837f64 3543 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3544 if (conn && !ev->status) {
3545 struct inquiry_entry *ie;
3546
cc11b9c1
AE		 3547 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3548 if (ie) {
1da177e4
LT		 3549 ie->data.clock_offset = ev->clock_offset;
3550 ie->timestamp = jiffies;
3551 }
3552 }
3553
3554 hci_dev_unlock(hdev);
3555}
3556
6039aa73 3557static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3558{
3559 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3560 struct hci_conn *conn;
3561
9f1db00c 3562 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3563
3564 hci_dev_lock(hdev);
3565
3566 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3567 if (conn && !ev->status)
3568 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3569
3570 hci_dev_unlock(hdev);
3571}
3572
6039aa73 3573static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3574{
a9de9248 3575 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3576 struct inquiry_entry *ie;
3577
3578 BT_DBG("%s", hdev->name);
3579
3580 hci_dev_lock(hdev);
3581
cc11b9c1
AE		 3582 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3583 if (ie) {
85a1e930
MH		 3584 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3585 ie->timestamp = jiffies;
3586 }
3587
3588 hci_dev_unlock(hdev);
3589}
3590
6039aa73
GP		 3591static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3592 struct sk_buff *skb)
a9de9248
MH		 3593{
3594 struct inquiry_data data;
3595 int num_rsp = *((__u8 *) skb->data);
3596
3597 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3598
3599 if (!num_rsp)
3600 return;
3601
d7a5a11d 3602 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
1519cc17
AG		 3603 return;
3604
a9de9248
MH		 3605 hci_dev_lock(hdev);
3606
3607 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3608 struct inquiry_info_with_rssi_and_pscan_mode *info;
3609 info = (void *) (skb->data + 1);
a9de9248 3610
e17acd40 3611 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3612 u32 flags;
3613
a9de9248
MH		 3614 bacpy(&data.bdaddr, &info->bdaddr);
3615 data.pscan_rep_mode = info->pscan_rep_mode;
3616 data.pscan_period_mode = info->pscan_period_mode;
3617 data.pscan_mode = info->pscan_mode;
3618 memcpy(data.dev_class, info->dev_class, 3);
3619 data.clock_offset = info->clock_offset;
3620 data.rssi = info->rssi;
41a96212 3621 data.ssp_mode = 0x00;
3175405b 3622
af58925c
MH		 3623 flags = hci_inquiry_cache_update(hdev, &data, false);
3624
48264f06 3625 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3626 info->dev_class, info->rssi,
af58925c 3627 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3628 }
3629 } else {
3630 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3631
e17acd40 3632 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3633 u32 flags;
3634
a9de9248
MH		 3635 bacpy(&data.bdaddr, &info->bdaddr);
3636 data.pscan_rep_mode = info->pscan_rep_mode;
3637 data.pscan_period_mode = info->pscan_period_mode;
3638 data.pscan_mode = 0x00;
3639 memcpy(data.dev_class, info->dev_class, 3);
3640 data.clock_offset = info->clock_offset;
3641 data.rssi = info->rssi;
41a96212 3642 data.ssp_mode = 0x00;
af58925c
MH		 3643
3644 flags = hci_inquiry_cache_update(hdev, &data, false);
3645
48264f06 3646 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3647 info->dev_class, info->rssi,
af58925c 3648 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3649 }
3650 }
3651
3652 hci_dev_unlock(hdev);
3653}
3654
6039aa73
GP		 3655static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3656 struct sk_buff *skb)
a9de9248 3657{
41a96212
MH		 3658 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3659 struct hci_conn *conn;
3660
a9de9248 3661 BT_DBG("%s", hdev->name);
41a96212 3662
41a96212
MH		 3663 hci_dev_lock(hdev);
3664
3665 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3666 if (!conn)
3667 goto unlock;
41a96212 3668
cad718ed
JH		 3669 if (ev->page < HCI_MAX_PAGES)
3670 memcpy(conn->features[ev->page], ev->features, 8);
3671
ccd556fe
JH		 3672 if (!ev->status && ev->page == 0x01) {
3673 struct inquiry_entry *ie;
41a96212 3674
cc11b9c1
AE		 3675 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3676 if (ie)
02b7cc62 3677 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3678
bbb0eada 3679 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3680 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3681 } else {
3682 /* It is mandatory by the Bluetooth specification that
3683 * Extended Inquiry Results are only used when Secure
3684 * Simple Pairing is enabled, but some devices violate
3685 * this.
3686 *
3687 * To make these devices work, the internal SSP
3688 * enabled flag needs to be cleared if the remote host
3689 * features do not indicate SSP support */
3690 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3691 }
eb9a8f3f
MH		 3692
3693 if (ev->features[0] & LMP_HOST_SC)
3694 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3695 }
3696
3697 if (conn->state != BT_CONFIG)
3698 goto unlock;
3699
671267bf 3700 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3701 struct hci_cp_remote_name_req cp;
3702 memset(&cp, 0, sizeof(cp));
3703 bacpy(&cp.bdaddr, &conn->dst);
3704 cp.pscan_rep_mode = 0x02;
3705 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3706 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3707 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3708
127178d2 3709 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe 3710 conn->state = BT_CONNECTED;
539c496d 3711 hci_connect_cfm(conn, ev->status);
76a68ba0 3712 hci_conn_drop(conn);
41a96212
MH		 3713 }
3714
ccd556fe 3715unlock:
41a96212 3716 hci_dev_unlock(hdev);
a9de9248
MH		 3717}
3718
6039aa73
GP		 3719static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3720 struct sk_buff *skb)
a9de9248 3721{
b6a0dc82
MH		 3722 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3723 struct hci_conn *conn;
3724
9f1db00c 3725 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3726
3727 hci_dev_lock(hdev);
3728
3729 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3730 if (!conn) {
3731 if (ev->link_type == ESCO_LINK)
3732 goto unlock;
3733
3734 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3735 if (!conn)
3736 goto unlock;
3737
3738 conn->type = SCO_LINK;
3739 }
b6a0dc82 3740
732547f9
MH		 3741 switch (ev->status) {
3742 case 0x00:
b6a0dc82
MH		 3743 conn->handle = __le16_to_cpu(ev->handle);
3744 conn->state = BT_CONNECTED;
7d0db0a3 3745
23b9ceb7 3746 hci_debugfs_create_conn(conn);
7d0db0a3 3747 hci_conn_add_sysfs(conn);
732547f9
MH		 3748 break;
3749
81218d20 3750 case 0x10: /* Connection Accept Timeout */
1a4c958c 3751 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3752 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3753 case 0x1c: /* SCO interval rejected */
1038a00b 3754 case 0x1a: /* Unsupported Remote Feature */
732547f9 3755 case 0x1f: /* Unspecified error */
27539bc4 3756 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3757 if (conn->out) {
732547f9
MH		 3758 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3759 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3760 if (hci_setup_sync(conn, conn->link->handle))
3761 goto unlock;
732547f9
MH		 3762 }
3763 /* fall through */
3764
3765 default:
b6a0dc82 3766 conn->state = BT_CLOSED;
732547f9
MH		 3767 break;
3768 }
b6a0dc82 3769
539c496d 3770 hci_connect_cfm(conn, ev->status);
b6a0dc82
MH		 3771 if (ev->status)
3772 hci_conn_del(conn);
3773
3774unlock:
3775 hci_dev_unlock(hdev);
a9de9248
MH		 3776}
3777
efdcf8e3
MH		 3778static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3779{
3780 size_t parsed = 0;
3781
3782 while (parsed < eir_len) {
3783 u8 field_len = eir[0];
3784
3785 if (field_len == 0)
3786 return parsed;
3787
3788 parsed += field_len + 1;
3789 eir += field_len + 1;
3790 }
3791
3792 return eir_len;
3793}
3794
6039aa73
GP		 3795static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3796 struct sk_buff *skb)
1da177e4 3797{
a9de9248
MH		 3798 struct inquiry_data data;
3799 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3800 int num_rsp = *((__u8 *) skb->data);
9d939d94 3801 size_t eir_len;
1da177e4 3802
a9de9248 3803 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3804
a9de9248
MH		 3805 if (!num_rsp)
3806 return;
1da177e4 3807
d7a5a11d 3808 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
1519cc17
AG		 3809 return;
3810
a9de9248
MH		 3811 hci_dev_lock(hdev);
3812
e17acd40 3813 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3814 u32 flags;
3815 bool name_known;
561aafbc 3816
a9de9248 3817 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3818 data.pscan_rep_mode = info->pscan_rep_mode;
3819 data.pscan_period_mode = info->pscan_period_mode;
3820 data.pscan_mode = 0x00;
a9de9248 3821 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3822 data.clock_offset = info->clock_offset;
3823 data.rssi = info->rssi;
41a96212 3824 data.ssp_mode = 0x01;
561aafbc 3825
d7a5a11d 3826 if (hci_dev_test_flag(hdev, HCI_MGMT))
4ddb1930 3827 name_known = eir_has_data_type(info->data,
04124681
GP		 3828 sizeof(info->data),
3829 EIR_NAME_COMPLETE);
561aafbc
JH		 3830 else
3831 name_known = true;
3832
af58925c
MH		 3833 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3834
9d939d94 3835 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3836
48264f06 3837 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3838 info->dev_class, info->rssi,
3839 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3840 }
3841
3842 hci_dev_unlock(hdev);
3843}
1da177e4 3844
1c2e0041
JH		 3845static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3846 struct sk_buff *skb)
3847{
3848 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3849 struct hci_conn *conn;
3850
9f1db00c 3851 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3852 __le16_to_cpu(ev->handle));
3853
3854 hci_dev_lock(hdev);
3855
3856 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3857 if (!conn)
3858 goto unlock;
3859
9eb1fbfa
JH		 3860 /* For BR/EDR the necessary steps are taken through the
3861 * auth_complete event.
3862 */
3863 if (conn->type != LE_LINK)
3864 goto unlock;
3865
1c2e0041
JH		 3866 if (!ev->status)
3867 conn->sec_level = conn->pending_sec_level;
3868
3869 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3870
3871 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3872 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3873 hci_conn_drop(conn);
1c2e0041
JH		 3874 goto unlock;
3875 }
3876
3877 if (conn->state == BT_CONFIG) {
3878 if (!ev->status)
3879 conn->state = BT_CONNECTED;
3880
539c496d 3881 hci_connect_cfm(conn, ev->status);
76a68ba0 3882 hci_conn_drop(conn);
1c2e0041
JH		 3883 } else {
3884 hci_auth_cfm(conn, ev->status);
3885
3886 hci_conn_hold(conn);
3887 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3888 hci_conn_drop(conn);
1c2e0041
JH		 3889 }
3890
3891unlock:
3892 hci_dev_unlock(hdev);
3893}
3894
6039aa73 3895static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3896{
17fa4b9d 3897 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3898 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3899 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3900 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3901
b7f94c88
MA		 3902 /* If both remote and local have enough IO capabilities, require
3903 * MITM protection
3904 */
3905 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3906 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3907 return conn->remote_auth | 0x01;
3908
7e74170a
TM		 3909 /* No MITM protection possible so ignore remote requirement */
3910 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3911}
3912
a83ed81e
MH		 3913static u8 bredr_oob_data_present(struct hci_conn *conn)
3914{
3915 struct hci_dev *hdev = conn->hdev;
3916 struct oob_data *data;
3917
3918 data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR);
3919 if (!data)
3920 return 0x00;
3921
455c2ff0
MH		 3922 if (bredr_sc_enabled(hdev)) {
3923 /* When Secure Connections is enabled, then just
3924 * return the present value stored with the OOB
3925 * data. The stored value contains the right present
3926 * information. However it can only be trusted when
3927 * not in Secure Connection Only mode.
3928 */
3929 if (!hci_dev_test_flag(hdev, HCI_SC_ONLY))
3930 return data->present;
659c7fb0 3931
455c2ff0
MH		 3932 /* When Secure Connections Only mode is enabled, then
3933 * the P-256 values are required. If they are not
3934 * available, then do not declare that OOB data is
3935 * present.
659c7fb0 3936 */
455c2ff0
MH		 3937 if (!memcmp(data->rand256, ZERO_KEY, 16) ||
3938 !memcmp(data->hash256, ZERO_KEY, 16))
659c7fb0
MH		 3939 return 0x00;
3940
455c2ff0 3941 return 0x02;
659c7fb0 3942 }
a83ed81e 3943
455c2ff0
MH		 3944 /* When Secure Connections is not enabled or actually
3945 * not supported by the hardware, then check that if
3946 * P-192 data values are present.
3947 */
3948 if (!memcmp(data->rand192, ZERO_KEY, 16) ||
3949 !memcmp(data->hash192, ZERO_KEY, 16))
3950 return 0x00;
3951
3952 return 0x01;
a83ed81e
MH		 3953}
3954
6039aa73 3955static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3956{
3957 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3958 struct hci_conn *conn;
3959
3960 BT_DBG("%s", hdev->name);
3961
3962 hci_dev_lock(hdev);
3963
3964 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3965 if (!conn)
3966 goto unlock;
3967
3968 hci_conn_hold(conn);
3969
d7a5a11d 3970 if (!hci_dev_test_flag(hdev, HCI_MGMT))
03b555e1
JH		 3971 goto unlock;
3972
2f407f0a
JH		 3973 /* Allow pairing if we're pairable, the initiators of the
3974 * pairing or if the remote is not requesting bonding.
3975 */
d7a5a11d 3976 if (hci_dev_test_flag(hdev, HCI_BONDABLE) ||
2f407f0a 3977 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3978 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3979 struct hci_cp_io_capability_reply cp;
3980
3981 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3982 /* Change the IO capability from KeyboardDisplay
3983 * to DisplayYesNo as it is not supported by BT spec. */
3984 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3985 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3986
3987 /* If we are initiators, there is no remote information yet */
3988 if (conn->remote_auth == 0xff) {
b16c6604 3989 /* Request MITM protection if our IO caps allow it
4ad51a75 3990 * except for the no-bonding case.
b16c6604 3991 */
6fd6b915 3992 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3993 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3994 conn->auth_type |= 0x01;
b7f94c88
MA		 3995 } else {
3996 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3997 }
17fa4b9d 3998
82c295b1
JH		 3999 /* If we're not bondable, force one of the non-bondable
4000 * authentication requirement values.
4001 */
d7a5a11d 4002 if (!hci_dev_test_flag(hdev, HCI_BONDABLE))
82c295b1
JH		 4003 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
4004
4005 cp.authentication = conn->auth_type;
a83ed81e 4006 cp.oob_data = bredr_oob_data_present(conn);
ce85ee13 4007
17fa4b9d 4008 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 4009 sizeof(cp), &cp);
03b555e1
JH		 4010 } else {
4011 struct hci_cp_io_capability_neg_reply cp;
4012
4013 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 4014 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 4015
03b555e1 4016 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 4017 sizeof(cp), &cp);
03b555e1
JH		 4018 }
4019
4020unlock:
4021 hci_dev_unlock(hdev);
4022}
4023
6039aa73 4024static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 4025{
4026 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
4027 struct hci_conn *conn;
4028
4029 BT_DBG("%s", hdev->name);
4030
4031 hci_dev_lock(hdev);
4032
4033 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4034 if (!conn)
4035 goto unlock;
4036
03b555e1 4037 conn->remote_cap = ev->capability;
03b555e1
JH		 4038 conn->remote_auth = ev->authentication;
4039
4040unlock:
0493684e
MH		 4041 hci_dev_unlock(hdev);
4042}
4043
6039aa73
GP		 4044static void hci_user_confirm_request_evt(struct hci_dev *hdev,
4045 struct sk_buff *skb)
a5c29683
JH		 4046{
4047 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 4048 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 4049 struct hci_conn *conn;
a5c29683
JH		 4050
4051 BT_DBG("%s", hdev->name);
4052
4053 hci_dev_lock(hdev);
4054
d7a5a11d 4055 if (!hci_dev_test_flag(hdev, HCI_MGMT))
7a828908 4056 goto unlock;
a5c29683 4057
7a828908
JH		 4058 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4059 if (!conn)
4060 goto unlock;
4061
4062 loc_mitm = (conn->auth_type & 0x01);
4063 rem_mitm = (conn->remote_auth & 0x01);
4064
4065 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 4066 * (it has NoInputNoOutput) then reject the confirmation
4067 * request. We check the security level here since it doesn't
4068 * necessarily match conn->auth_type.
6fd6b915 4069 */
6c53823a
JH		 4070 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
4071 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 4072 BT_DBG("Rejecting request: remote device can't provide MITM");
4073 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 4074 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4075 goto unlock;
4076 }
4077
4078 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 4079 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
4080 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 4081
4082 /* If we're not the initiators request authorization to
4083 * proceed from user space (mgmt_user_confirm with
ba15a58b 4084 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 4085 * side had MITM or if the local IO capability is
4086 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 4087 */
4088 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 4089 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 4090 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 4091 BT_DBG("Confirming auto-accept as acceptor");
4092 confirm_hint = 1;
4093 goto confirm;
4094 }
4095
9f61656a 4096 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 4097 hdev->auto_accept_delay);
9f61656a
JH		 4098
4099 if (hdev->auto_accept_delay > 0) {
4100 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 4101 queue_delayed_work(conn->hdev->workqueue,
4102 &conn->auto_accept_work, delay);
9f61656a
JH		 4103 goto unlock;
4104 }
4105
7a828908 4106 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 4107 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4108 goto unlock;
4109 }
4110
55bc1a37 4111confirm:
39adbffe
JH		 4112 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
4113 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 4114
4115unlock:
a5c29683
JH		 4116 hci_dev_unlock(hdev);
4117}
4118
6039aa73
GP		 4119static void hci_user_passkey_request_evt(struct hci_dev *hdev,
4120 struct sk_buff *skb)
1143d458
BG		 4121{
4122 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
4123
4124 BT_DBG("%s", hdev->name);
4125
d7a5a11d 4126 if (hci_dev_test_flag(hdev, HCI_MGMT))
272d90df 4127 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 4128}
4129
92a25256
JH		 4130static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
4131 struct sk_buff *skb)
4132{
4133 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
4134 struct hci_conn *conn;
4135
4136 BT_DBG("%s", hdev->name);
4137
4138 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4139 if (!conn)
4140 return;
4141
4142 conn->passkey_notify = __le32_to_cpu(ev->passkey);
4143 conn->passkey_entered = 0;
4144
d7a5a11d 4145 if (hci_dev_test_flag(hdev, HCI_MGMT))
92a25256
JH		 4146 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4147 conn->dst_type, conn->passkey_notify,
4148 conn->passkey_entered);
4149}
4150
4151static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
4152{
4153 struct hci_ev_keypress_notify *ev = (void *) skb->data;
4154 struct hci_conn *conn;
4155
4156 BT_DBG("%s", hdev->name);
4157
4158 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4159 if (!conn)
4160 return;
4161
4162 switch (ev->type) {
4163 case HCI_KEYPRESS_STARTED:
4164 conn->passkey_entered = 0;
4165 return;
4166
4167 case HCI_KEYPRESS_ENTERED:
4168 conn->passkey_entered++;
4169 break;
4170
4171 case HCI_KEYPRESS_ERASED:
4172 conn->passkey_entered--;
4173 break;
4174
4175 case HCI_KEYPRESS_CLEARED:
4176 conn->passkey_entered = 0;
4177 break;
4178
4179 case HCI_KEYPRESS_COMPLETED:
4180 return;
4181 }
4182
d7a5a11d 4183 if (hci_dev_test_flag(hdev, HCI_MGMT))
92a25256
JH		 4184 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4185 conn->dst_type, conn->passkey_notify,
4186 conn->passkey_entered);
4187}
4188
6039aa73
GP		 4189static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
4190 struct sk_buff *skb)
0493684e
MH		 4191{
4192 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
4193 struct hci_conn *conn;
4194
4195 BT_DBG("%s", hdev->name);
4196
4197 hci_dev_lock(hdev);
4198
4199 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 4200 if (!conn)
4201 goto unlock;
4202
c1d4fa7a
JH		 4203 /* Reset the authentication requirement to unknown */
4204 conn->remote_auth = 0xff;
4205
2a611692
JH		 4206 /* To avoid duplicate auth_failed events to user space we check
4207 * the HCI_CONN_AUTH_PEND flag which will be set if we
4208 * initiated the authentication. A traditional auth_complete
4209 * event gets always produced as initiator and is also mapped to
4210 * the mgmt_auth_failed event */
fa1bd918 4211 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 4212 mgmt_auth_failed(conn, ev->status);
0493684e 4213
76a68ba0 4214 hci_conn_drop(conn);
2a611692
JH		 4215
4216unlock:
0493684e
MH		 4217 hci_dev_unlock(hdev);
4218}
4219
6039aa73
GP		 4220static void hci_remote_host_features_evt(struct hci_dev *hdev,
4221 struct sk_buff *skb)
41a96212
MH		 4222{
4223 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4224 struct inquiry_entry *ie;
cad718ed 4225 struct hci_conn *conn;
41a96212
MH		 4226
4227 BT_DBG("%s", hdev->name);
4228
4229 hci_dev_lock(hdev);
4230
cad718ed
JH		 4231 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4232 if (conn)
4233 memcpy(conn->features[1], ev->features, 8);
4234
cc11b9c1
AE		 4235 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4236 if (ie)
02b7cc62 4237 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 4238
4239 hci_dev_unlock(hdev);
4240}
4241
6039aa73
GP		 4242static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4243 struct sk_buff *skb)
2763eda6
SJ		 4244{
4245 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4246 struct oob_data *data;
4247
4248 BT_DBG("%s", hdev->name);
4249
4250 hci_dev_lock(hdev);
4251
d7a5a11d 4252 if (!hci_dev_test_flag(hdev, HCI_MGMT))
e1ba1f15
SJ		 4253 goto unlock;
4254
6928a924 4255 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
6665d057
MH		 4256 if (!data) {
4257 struct hci_cp_remote_oob_data_neg_reply cp;
519ca9d0 4258
6665d057
MH		 4259 bacpy(&cp.bdaddr, &ev->bdaddr);
4260 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4261 sizeof(cp), &cp);
4262 goto unlock;
4263 }
2763eda6 4264
6665d057
MH		 4265 if (bredr_sc_enabled(hdev)) {
4266 struct hci_cp_remote_oob_ext_data_reply cp;
519ca9d0 4267
6665d057 4268 bacpy(&cp.bdaddr, &ev->bdaddr);
d7a5a11d 4269 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6665d057
MH		 4270 memset(cp.hash192, 0, sizeof(cp.hash192));
4271 memset(cp.rand192, 0, sizeof(cp.rand192));
4272 } else {
4273 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4274 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
519ca9d0 4275 }
6665d057
MH		 4276 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4277 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4278
4279 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4280 sizeof(cp), &cp);
2763eda6 4281 } else {
6665d057 4282 struct hci_cp_remote_oob_data_reply cp;
2763eda6
SJ		 4283
4284 bacpy(&cp.bdaddr, &ev->bdaddr);
6665d057
MH		 4285 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4286 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4287
4288 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
519ca9d0 4289 sizeof(cp), &cp);
2763eda6
SJ		 4290 }
4291
e1ba1f15 4292unlock:
2763eda6
SJ		 4293 hci_dev_unlock(hdev);
4294}
4295
d5e91192
AE		 4296static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4297 struct sk_buff *skb)
4298{
4299 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4300 struct hci_conn *hcon, *bredr_hcon;
4301
4302 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4303 ev->status);
4304
4305 hci_dev_lock(hdev);
4306
4307 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4308 if (!hcon) {
4309 hci_dev_unlock(hdev);
4310 return;
4311 }
4312
4313 if (ev->status) {
4314 hci_conn_del(hcon);
4315 hci_dev_unlock(hdev);
4316 return;
4317 }
4318
4319 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4320
4321 hcon->state = BT_CONNECTED;
4322 bacpy(&hcon->dst, &bredr_hcon->dst);
4323
4324 hci_conn_hold(hcon);
4325 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4326 hci_conn_drop(hcon);
d5e91192 4327
23b9ceb7 4328 hci_debugfs_create_conn(hcon);
d5e91192
AE		 4329 hci_conn_add_sysfs(hcon);
4330
cf70ff22 4331 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4332
cf70ff22 4333 hci_dev_unlock(hdev);
d5e91192
AE		 4334}
4335
27695fb4
AE		 4336static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4337{
4338 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4339 struct hci_conn *hcon;
4340 struct hci_chan *hchan;
4341 struct amp_mgr *mgr;
4342
4343 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4344 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4345 ev->status);
4346
4347 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4348 if (!hcon)
4349 return;
4350
4351 /* Create AMP hchan */
4352 hchan = hci_chan_create(hcon);
4353 if (!hchan)
4354 return;
4355
4356 hchan->handle = le16_to_cpu(ev->handle);
4357
4358 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4359
4360 mgr = hcon->amp_mgr;
4361 if (mgr && mgr->bredr_chan) {
4362 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4363
4364 l2cap_chan_lock(bredr_chan);
4365
4366 bredr_chan->conn->mtu = hdev->block_mtu;
4367 l2cap_logical_cfm(bredr_chan, hchan, 0);
4368 hci_conn_hold(hcon);
4369
4370 l2cap_chan_unlock(bredr_chan);
4371 }
4372}
4373
606e2a10
AE		 4374static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4375 struct sk_buff *skb)
4376{
4377 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4378 struct hci_chan *hchan;
4379
4380 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4381 le16_to_cpu(ev->handle), ev->status);
4382
4383 if (ev->status)
4384 return;
4385
4386 hci_dev_lock(hdev);
4387
4388 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4389 if (!hchan)
4390 goto unlock;
4391
4392 amp_destroy_logical_link(hchan, ev->reason);
4393
4394unlock:
4395 hci_dev_unlock(hdev);
4396}
4397
9eef6b3a
AE		 4398static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4399 struct sk_buff *skb)
4400{
4401 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4402 struct hci_conn *hcon;
4403
4404 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4405
4406 if (ev->status)
4407 return;
4408
4409 hci_dev_lock(hdev);
4410
4411 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4412 if (hcon) {
4413 hcon->state = BT_CLOSED;
4414 hci_conn_del(hcon);
4415 }
4416
4417 hci_dev_unlock(hdev);
4418}
4419
6039aa73 4420static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4421{
4422 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4423 struct hci_conn_params *params;
fcd89c09 4424 struct hci_conn *conn;
68d6f6de 4425 struct smp_irk *irk;
837d502e 4426 u8 addr_type;
fcd89c09 4427
9f1db00c 4428 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4429
4430 hci_dev_lock(hdev);
4431
fbd96c15
JH		 4432 /* All controllers implicitly stop advertising in the event of a
4433 * connection, so ensure that the state bit is cleared.
4434 */
a358dc11 4435 hci_dev_clear_flag(hdev, HCI_LE_ADV);
fbd96c15 4436
b47a09b3 4437 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4438 if (!conn) {
a5c4e309 4439 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4440 if (!conn) {
4441 BT_ERR("No memory for new connection");
230fd16a 4442 goto unlock;
b62f328b 4443 }
29b7988a
AG		 4444
4445 conn->dst_type = ev->bdaddr_type;
b9b343d2 4446
cb1d68f7
JH		 4447 /* If we didn't have a hci_conn object previously
4448 * but we're in master role this must be something
4449 * initiated using a white list. Since white list based
4450 * connections are not "first class citizens" we don't
4451 * have full tracking of them. Therefore, we go ahead
4452 * with a "best effort" approach of determining the
4453 * initiator address based on the HCI_PRIVACY flag.
4454 */
4455 if (conn->out) {
4456 conn->resp_addr_type = ev->bdaddr_type;
4457 bacpy(&conn->resp_addr, &ev->bdaddr);
d7a5a11d 4458 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
cb1d68f7
JH		 4459 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4460 bacpy(&conn->init_addr, &hdev->rpa);
4461 } else {
4462 hci_copy_identity_address(hdev,
4463 &conn->init_addr,
4464 &conn->init_addr_type);
4465 }
cb1d68f7 4466 }
9489eca4
JH		 4467 } else {
4468 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4469 }
fcd89c09 4470
80c24ab8
JH		 4471 if (!conn->out) {
4472 /* Set the responder (our side) address type based on
4473 * the advertising address type.
4474 */
4475 conn->resp_addr_type = hdev->adv_addr_type;
4476 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4477 bacpy(&conn->resp_addr, &hdev->random_addr);
4478 else
4479 bacpy(&conn->resp_addr, &hdev->bdaddr);
4480
4481 conn->init_addr_type = ev->bdaddr_type;
4482 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4483
4484 /* For incoming connections, set the default minimum
4485 * and maximum connection interval. They will be used
4486 * to check if the parameters are in range and if not
4487 * trigger the connection update procedure.
4488 */
4489 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4490 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4491 }
7be2edbb 4492
edb4b466
MH		 4493 /* Lookup the identity address from the stored connection
4494 * address and address type.
4495 *
4496 * When establishing connections to an identity address, the
4497 * connection procedure will store the resolvable random
4498 * address first. Now if it can be converted back into the
4499 * identity address, start using the identity address from
4500 * now on.
4501 */
4502 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4503 if (irk) {
4504 bacpy(&conn->dst, &irk->bdaddr);
4505 conn->dst_type = irk->addr_type;
4506 }
4507
2d3c2260
JH		 4508 if (ev->status) {
4509 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4510 goto unlock;
4511 }
4512
08853f18
JH		 4513 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4514 addr_type = BDADDR_LE_PUBLIC;
4515 else
4516 addr_type = BDADDR_LE_RANDOM;
4517
2d3c2260
JH		 4518 /* Drop the connection if the device is blocked */
4519 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4520 hci_conn_drop(conn);
cd17decb
AG		 4521 goto unlock;
4522 }
4523
b644ba33 4524 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4525 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4526
7b5c0d52 4527 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4528 conn->handle = __le16_to_cpu(ev->handle);
4529 conn->state = BT_CONNECTED;
4530
e04fde60
MH		 4531 conn->le_conn_interval = le16_to_cpu(ev->interval);
4532 conn->le_conn_latency = le16_to_cpu(ev->latency);
4533 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4534
23b9ceb7 4535 hci_debugfs_create_conn(conn);
fcd89c09
VT		 4536 hci_conn_add_sysfs(conn);
4537
539c496d 4538 hci_connect_cfm(conn, ev->status);
fcd89c09 4539
5477610f
JH		 4540 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4541 conn->dst_type);
f161dd41 4542 if (params) {
95305baa 4543 list_del_init(&params->action);
f161dd41
JH		 4544 if (params->conn) {
4545 hci_conn_drop(params->conn);
f8aaf9b6 4546 hci_conn_put(params->conn);
f161dd41
JH		 4547 params->conn = NULL;
4548 }
4549 }
a4790dbd 4550
fcd89c09 4551unlock:
223683a5 4552 hci_update_background_scan(hdev);
fcd89c09
VT		 4553 hci_dev_unlock(hdev);
4554}
4555
1855d92d
MH		 4556static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4557 struct sk_buff *skb)
4558{
4559 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4560 struct hci_conn *conn;
4561
4562 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4563
4564 if (ev->status)
4565 return;
4566
4567 hci_dev_lock(hdev);
4568
4569 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4570 if (conn) {
4571 conn->le_conn_interval = le16_to_cpu(ev->interval);
4572 conn->le_conn_latency = le16_to_cpu(ev->latency);
4573 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4574 }
4575
4576 hci_dev_unlock(hdev);
4577}
4578
a4790dbd 4579/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4580static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4581 bdaddr_t *addr,
4582 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4583{
4584 struct hci_conn *conn;
4b9e7e75 4585 struct hci_conn_params *params;
a4790dbd 4586
1c1abcab
JH		 4587 /* If the event is not connectable don't proceed further */
4588 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4589 return NULL;
1c1abcab
JH		 4590
4591 /* Ignore if the device is blocked */
dcc36c16 4592 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4593 return NULL;
1c1abcab 4594
f99353cf
JH		 4595 /* Most controller will fail if we try to create new connections
4596 * while we have an existing one in slave role.
4597 */
4598 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4599 return NULL;
f99353cf 4600
1c1abcab
JH		 4601 /* If we're not connectable only connect devices that we have in
4602 * our pend_le_conns list.
4603 */
4b9e7e75
MH		 4604 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4605 addr, addr_type);
4606 if (!params)
fd45ada9 4607 return NULL;
4b9e7e75
MH		 4608
4609 switch (params->auto_connect) {
4610 case HCI_AUTO_CONN_DIRECT:
4611 /* Only devices advertising with ADV_DIRECT_IND are
4612 * triggering a connection attempt. This is allowing
4613 * incoming connections from slave devices.
4614 */
4615 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4616 return NULL;
4b9e7e75
MH		 4617 break;
4618 case HCI_AUTO_CONN_ALWAYS:
4619 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4620 * are triggering a connection attempt. This means
4621 * that incoming connectioms from slave device are
4622 * accepted and also outgoing connections to slave
4623 * devices are established when found.
4624 */
4625 break;
4626 default:
fd45ada9 4627 return NULL;
4b9e7e75 4628 }
a4790dbd
AG		 4629
4630 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4631 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4632 if (!IS_ERR(conn)) {
4633 /* Store the pointer since we don't really have any
4634 * other owner of the object besides the params that
4635 * triggered it. This way we can abort the connection if
4636 * the parameters get removed and keep the reference
4637 * count consistent once the connection is established.
4638 */
f8aaf9b6 4639 params->conn = hci_conn_get(conn);
fd45ada9 4640 return conn;
f161dd41 4641 }
a4790dbd
AG		 4642
4643 switch (PTR_ERR(conn)) {
4644 case -EBUSY:
4645 /* If hci_connect() returns -EBUSY it means there is already
4646 * an LE connection attempt going on. Since controllers don't
4647 * support more than one connection attempt at the time, we
4648 * don't consider this an error case.
4649 */
4650 break;
4651 default:
4652 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4653 return NULL;
a4790dbd 4654 }
fd45ada9
AA		 4655
4656 return NULL;
a4790dbd
AG		 4657}
4658
4af605d8 4659static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
2f010b55
MH		 4660 u8 bdaddr_type, bdaddr_t *direct_addr,
4661 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4af605d8 4662{
b9a6328f 4663 struct discovery_state *d = &hdev->discovery;
1c1abcab 4664 struct smp_irk *irk;
fd45ada9 4665 struct hci_conn *conn;
474ee066 4666 bool match;
c70a7e4c 4667 u32 flags;
b9a6328f 4668
2f010b55
MH		 4669 /* If the direct address is present, then this report is from
4670 * a LE Direct Advertising Report event. In that case it is
4671 * important to see if the address is matching the local
4672 * controller address.
4673 */
4674 if (direct_addr) {
4675 /* Only resolvable random addresses are valid for these
4676 * kind of reports and others can be ignored.
4677 */
4678 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4679 return;
4680
4681 /* If the controller is not using resolvable random
4682 * addresses, then this report can be ignored.
4683 */
d7a5a11d 4684 if (!hci_dev_test_flag(hdev, HCI_PRIVACY))
2f010b55
MH		 4685 return;
4686
4687 /* If the local IRK of the controller does not match
4688 * with the resolvable random address provided, then
4689 * this report can be ignored.
4690 */
4691 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4692 return;
4693 }
4694
1c1abcab
JH		 4695 /* Check if we need to convert to identity address */
4696 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4697 if (irk) {
4698 bdaddr = &irk->bdaddr;
4699 bdaddr_type = irk->addr_type;
4700 }
4701
4702 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4703 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4704 if (conn && type == LE_ADV_IND) {
4705 /* Store report for later inclusion by
4706 * mgmt_device_connected
4707 */
4708 memcpy(conn->le_adv_data, data, len);
4709 conn->le_adv_data_len = len;
4710 }
1c1abcab 4711
0d2bf134
JH		 4712 /* Passive scanning shouldn't trigger any device found events,
4713 * except for devices marked as CONN_REPORT for which we do send
4714 * device found events.
4715 */
ca5c4be7 4716 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4717 if (type == LE_ADV_DIRECT_IND)
4718 return;
4719
3a19b6fe
JH		 4720 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4721 bdaddr, bdaddr_type))
0d2bf134
JH		 4722 return;
4723
4724 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4725 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4726 else
4727 flags = 0;
4728 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4729 rssi, flags, data, len, NULL, 0);
97bf2e99 4730 return;
ca5c4be7 4731 }
4af605d8 4732
c70a7e4c
MH		 4733 /* When receiving non-connectable or scannable undirected
4734 * advertising reports, this means that the remote device is
4735 * not connectable and then clearly indicate this in the
4736 * device found event.
4737 *
4738 * When receiving a scan response, then there is no way to
4739 * know if the remote device is connectable or not. However
4740 * since scan responses are merged with a previously seen
4741 * advertising report, the flags field from that report
4742 * will be used.
4743 *
4744 * In the really unlikely case that a controller get confused
4745 * and just sends a scan response event, then it is marked as
4746 * not connectable as well.
4747 */
4748 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4749 type == LE_ADV_SCAN_RSP)
4750 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4751 else
4752 flags = 0;
4753
b9a6328f
JH		 4754 /* If there's nothing pending either store the data from this
4755 * event or send an immediate device found event if the data
4756 * should not be stored for later.
4757 */
4758 if (!has_pending_adv_report(hdev)) {
4759 /* If the report will trigger a SCAN_REQ store it for
4760 * later merging.
4761 */
4762 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4763 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4764 rssi, flags, data, len);
b9a6328f
JH		 4765 return;
4766 }
4767
4768 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4769 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4770 return;
4771 }
4772
474ee066
JH		 4773 /* Check if the pending report is for the same device as the new one */
4774 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4775 bdaddr_type == d->last_adv_addr_type);
4776
b9a6328f
JH		 4777 /* If the pending data doesn't match this report or this isn't a
4778 * scan response (e.g. we got a duplicate ADV_IND) then force
4779 * sending of the pending data.
4780 */
474ee066
JH		 4781 if (type != LE_ADV_SCAN_RSP || !match) {
4782 /* Send out whatever is in the cache, but skip duplicates */
4783 if (!match)
4784 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4785 d->last_adv_addr_type, NULL,
c70a7e4c 4786 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4787 d->last_adv_data,
474ee066 4788 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4789
4790 /* If the new report will trigger a SCAN_REQ store it for
4791 * later merging.
4792 */
4793 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4794 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4795 rssi, flags, data, len);
b9a6328f
JH		 4796 return;
4797 }
4798
4799 /* The advertising reports cannot be merged, so clear
4800 * the pending report and send out a device found event.
4801 */
4802 clear_pending_adv_report(hdev);
5c5b93e4 4803 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4804 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4805 return;
4806 }
4807
4808 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4809 * the new event is a SCAN_RSP. We can therefore proceed with
4810 * sending a merged device found event.
4811 */
4812 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4813 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4814 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4815 clear_pending_adv_report(hdev);
4af605d8
JH		 4816}
4817
6039aa73 4818static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4819{
e95beb41
AG		 4820 u8 num_reports = skb->data[0];
4821 void *ptr = &skb->data[1];
9aa04c91 4822
a4790dbd
AG		 4823 hci_dev_lock(hdev);
4824
e95beb41
AG		 4825 while (num_reports--) {
4826 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4827 s8 rssi;
a4790dbd 4828
3c9e9195 4829 rssi = ev->data[ev->length];
4af605d8 4830 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
2f010b55
MH		 4831 ev->bdaddr_type, NULL, 0, rssi,
4832 ev->data, ev->length);
3c9e9195 4833
e95beb41 4834 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4835 }
a4790dbd
AG		 4836
4837 hci_dev_unlock(hdev);
9aa04c91
AG		 4838}
4839
6039aa73 4840static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4841{
4842 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4843 struct hci_cp_le_ltk_reply cp;
bea710fe 4844 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4845 struct hci_conn *conn;
c9839a11 4846 struct smp_ltk *ltk;
a7a595f6 4847
9f1db00c 4848 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4849
4850 hci_dev_lock(hdev);
4851
4852 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4853 if (conn == NULL)
4854 goto not_found;
a7a595f6 4855
f3a73d97 4856 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
5378bc56 4857 if (!ltk)
bea710fe
VCG		 4858 goto not_found;
4859
5378bc56
JH		 4860 if (smp_ltk_is_sc(ltk)) {
4861 /* With SC both EDiv and Rand are set to zero */
4862 if (ev->ediv || ev->rand)
4863 goto not_found;
4864 } else {
4865 /* For non-SC keys check that EDiv and Rand match */
4866 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4867 goto not_found;
4868 }
4869
bea710fe 4870 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4871 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4872
a6f7833c 4873 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4874
89cbb4da 4875 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4876
4877 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4878
5981a882
CT		 4879 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4880 * temporary key used to encrypt a connection following
4881 * pairing. It is used during the Encrypted Session Setup to
4882 * distribute the keys. Later, security can be re-established
4883 * using a distributed LTK.
4884 */
2ceba539 4885 if (ltk->type == SMP_STK) {
fe59a05f 4886 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
970d0f1b
JH		 4887 list_del_rcu(&ltk->list);
4888 kfree_rcu(ltk, rcu);
fe59a05f
JH		 4889 } else {
4890 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4891 }
4892
a7a595f6 4893 hci_dev_unlock(hdev);
bea710fe
VCG		 4894
4895 return;
4896
4897not_found:
4898 neg.handle = ev->handle;
4899 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4900 hci_dev_unlock(hdev);
a7a595f6
VCG		 4901}
4902
8e75b46a
AG		 4903static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4904 u8 reason)
4905{
4906 struct hci_cp_le_conn_param_req_neg_reply cp;
4907
4908 cp.handle = cpu_to_le16(handle);
4909 cp.reason = reason;
4910
4911 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4912 &cp);
4913}
4914
4915static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4916 struct sk_buff *skb)
4917{
4918 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4919 struct hci_cp_le_conn_param_req_reply cp;
4920 struct hci_conn *hcon;
4921 u16 handle, min, max, latency, timeout;
4922
4923 handle = le16_to_cpu(ev->handle);
4924 min = le16_to_cpu(ev->interval_min);
4925 max = le16_to_cpu(ev->interval_max);
4926 latency = le16_to_cpu(ev->latency);
4927 timeout = le16_to_cpu(ev->timeout);
4928
4929 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4930 if (!hcon || hcon->state != BT_CONNECTED)
4931 return send_conn_param_neg_reply(hdev, handle,
4932 HCI_ERROR_UNKNOWN_CONN_ID);
4933
4934 if (hci_check_conn_params(min, max, latency, timeout))
4935 return send_conn_param_neg_reply(hdev, handle,
4936 HCI_ERROR_INVALID_LL_PARAMS);
4937
40bef302 4938 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4939 struct hci_conn_params *params;
f4869e2a 4940 u8 store_hint;
348d50b8
JH		 4941
4942 hci_dev_lock(hdev);
4943
4944 params = hci_conn_params_lookup(hdev, &hcon->dst,
4945 hcon->dst_type);
4946 if (params) {
4947 params->conn_min_interval = min;
4948 params->conn_max_interval = max;
4949 params->conn_latency = latency;
4950 params->supervision_timeout = timeout;
f4869e2a
JH		 4951 store_hint = 0x01;
4952 } else{
4953 store_hint = 0x00;
348d50b8
JH		 4954 }
4955
4956 hci_dev_unlock(hdev);
4957
f4869e2a
JH		 4958 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4959 store_hint, min, max, latency, timeout);
348d50b8 4960 }
ffb5a827 4961
8e75b46a
AG		 4962 cp.handle = ev->handle;
4963 cp.interval_min = ev->interval_min;
4964 cp.interval_max = ev->interval_max;
4965 cp.latency = ev->latency;
4966 cp.timeout = ev->timeout;
4967 cp.min_ce_len = 0;
4968 cp.max_ce_len = 0;
4969
4970 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4971}
4972
2f010b55
MH		 4973static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4974 struct sk_buff *skb)
4975{
4976 u8 num_reports = skb->data[0];
4977 void *ptr = &skb->data[1];
4978
4979 hci_dev_lock(hdev);
4980
4981 while (num_reports--) {
4982 struct hci_ev_le_direct_adv_info *ev = ptr;
4983
4984 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4985 ev->bdaddr_type, &ev->direct_addr,
4986 ev->direct_addr_type, ev->rssi, NULL, 0);
4987
4988 ptr += sizeof(*ev);
4989 }
4990
4991 hci_dev_unlock(hdev);
4992}
4993
6039aa73 4994static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4995{
4996 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4997
4998 skb_pull(skb, sizeof(*le_ev));
4999
5000 switch (le_ev->subevent) {
5001 case HCI_EV_LE_CONN_COMPLETE:
5002 hci_le_conn_complete_evt(hdev, skb);
5003 break;
5004
1855d92d
MH		 5005 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
5006 hci_le_conn_update_complete_evt(hdev, skb);
5007 break;
5008
9aa04c91
AG		 5009 case HCI_EV_LE_ADVERTISING_REPORT:
5010 hci_le_adv_report_evt(hdev, skb);
5011 break;
5012
a7a595f6
VCG		 5013 case HCI_EV_LE_LTK_REQ:
5014 hci_le_ltk_request_evt(hdev, skb);
5015 break;
5016
8e75b46a
AG		 5017 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
5018 hci_le_remote_conn_param_req_evt(hdev, skb);
5019 break;
5020
2f010b55
MH		 5021 case HCI_EV_LE_DIRECT_ADV_REPORT:
5022 hci_le_direct_adv_report_evt(hdev, skb);
5023 break;
5024
fcd89c09
VT		 5025 default:
5026 break;
5027 }
5028}
5029
9495b2ee
AE		 5030static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
5031{
5032 struct hci_ev_channel_selected *ev = (void *) skb->data;
5033 struct hci_conn *hcon;
5034
5035 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
5036
5037 skb_pull(skb, sizeof(*ev));
5038
5039 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
5040 if (!hcon)
5041 return;
5042
5043 amp_read_loc_assoc_final_data(hdev, hcon);
5044}
5045
a9de9248
MH		 5046void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
5047{
5048 struct hci_event_hdr *hdr = (void *) skb->data;
e6214487
JH		 5049 hci_req_complete_t req_complete = NULL;
5050 hci_req_complete_skb_t req_complete_skb = NULL;
5051 struct sk_buff *orig_skb = NULL;
5052 u8 status = 0, event = hdr->evt;
5053 u16 opcode = HCI_OP_NOP;
a9de9248 5054
db6e3e8d 5055 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b 5056 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
e6214487
JH		 5057 opcode = __le16_to_cpu(cmd_hdr->opcode);
5058 hci_req_cmd_complete(hdev, opcode, status, &req_complete,
5059 &req_complete_skb);
02350a72
JH		 5060 }
5061
e6214487
JH		 5062 /* If it looks like we might end up having to call
5063 * req_complete_skb, store a pristine copy of the skb since the
5064 * various handlers may modify the original one through
5065 * skb_pull() calls, etc.
5066 */
5067 if (req_complete_skb || event == HCI_EV_CMD_STATUS ||
5068 event == HCI_EV_CMD_COMPLETE)
5069 orig_skb = skb_clone(skb, GFP_KERNEL);
5070
5071 skb_pull(skb, HCI_EVENT_HDR_SIZE);
5072
a9de9248 5073 switch (event) {
1da177e4
LT		 5074 case HCI_EV_INQUIRY_COMPLETE:
5075 hci_inquiry_complete_evt(hdev, skb);
5076 break;
5077
5078 case HCI_EV_INQUIRY_RESULT:
5079 hci_inquiry_result_evt(hdev, skb);
5080 break;
5081
a9de9248
MH		 5082 case HCI_EV_CONN_COMPLETE:
5083 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 5084 break;
5085
1da177e4
LT		 5086 case HCI_EV_CONN_REQUEST:
5087 hci_conn_request_evt(hdev, skb);
5088 break;
5089
1da177e4
LT		 5090 case HCI_EV_DISCONN_COMPLETE:
5091 hci_disconn_complete_evt(hdev, skb);
5092 break;
5093
1da177e4
LT		 5094 case HCI_EV_AUTH_COMPLETE:
5095 hci_auth_complete_evt(hdev, skb);
5096 break;
5097
a9de9248
MH		 5098 case HCI_EV_REMOTE_NAME:
5099 hci_remote_name_evt(hdev, skb);
5100 break;
5101
1da177e4
LT		 5102 case HCI_EV_ENCRYPT_CHANGE:
5103 hci_encrypt_change_evt(hdev, skb);
5104 break;
5105
a9de9248
MH		 5106 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
5107 hci_change_link_key_complete_evt(hdev, skb);
5108 break;
5109
5110 case HCI_EV_REMOTE_FEATURES:
5111 hci_remote_features_evt(hdev, skb);
5112 break;
5113
a9de9248 5114 case HCI_EV_CMD_COMPLETE:
e6214487
JH		 5115 hci_cmd_complete_evt(hdev, skb, &opcode, &status,
5116 &req_complete, &req_complete_skb);
a9de9248
MH		 5117 break;
5118
5119 case HCI_EV_CMD_STATUS:
e6214487
JH		 5120 hci_cmd_status_evt(hdev, skb, &opcode, &status, &req_complete,
5121 &req_complete_skb);
a9de9248
MH		 5122 break;
5123
24dfa343
MH		 5124 case HCI_EV_HARDWARE_ERROR:
5125 hci_hardware_error_evt(hdev, skb);
5126 break;
5127
a9de9248
MH		 5128 case HCI_EV_ROLE_CHANGE:
5129 hci_role_change_evt(hdev, skb);
5130 break;
5131
5132 case HCI_EV_NUM_COMP_PKTS:
5133 hci_num_comp_pkts_evt(hdev, skb);
5134 break;
5135
5136 case HCI_EV_MODE_CHANGE:
5137 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 5138 break;
5139
5140 case HCI_EV_PIN_CODE_REQ:
5141 hci_pin_code_request_evt(hdev, skb);
5142 break;
5143
5144 case HCI_EV_LINK_KEY_REQ:
5145 hci_link_key_request_evt(hdev, skb);
5146 break;
5147
5148 case HCI_EV_LINK_KEY_NOTIFY:
5149 hci_link_key_notify_evt(hdev, skb);
5150 break;
5151
5152 case HCI_EV_CLOCK_OFFSET:
5153 hci_clock_offset_evt(hdev, skb);
5154 break;
5155
a8746417
MH		 5156 case HCI_EV_PKT_TYPE_CHANGE:
5157 hci_pkt_type_change_evt(hdev, skb);
5158 break;
5159
85a1e930
MH		 5160 case HCI_EV_PSCAN_REP_MODE:
5161 hci_pscan_rep_mode_evt(hdev, skb);
5162 break;
5163
a9de9248
MH		 5164 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
5165 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 5166 break;
5167
a9de9248
MH		 5168 case HCI_EV_REMOTE_EXT_FEATURES:
5169 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 5170 break;
5171
a9de9248
MH		 5172 case HCI_EV_SYNC_CONN_COMPLETE:
5173 hci_sync_conn_complete_evt(hdev, skb);
5174 break;
1da177e4 5175
a9de9248
MH		 5176 case HCI_EV_EXTENDED_INQUIRY_RESULT:
5177 hci_extended_inquiry_result_evt(hdev, skb);
5178 break;
1da177e4 5179
1c2e0041
JH		 5180 case HCI_EV_KEY_REFRESH_COMPLETE:
5181 hci_key_refresh_complete_evt(hdev, skb);
5182 break;
5183
0493684e
MH		 5184 case HCI_EV_IO_CAPA_REQUEST:
5185 hci_io_capa_request_evt(hdev, skb);
5186 break;
5187
03b555e1
JH		 5188 case HCI_EV_IO_CAPA_REPLY:
5189 hci_io_capa_reply_evt(hdev, skb);
5190 break;
5191
a5c29683
JH		 5192 case HCI_EV_USER_CONFIRM_REQUEST:
5193 hci_user_confirm_request_evt(hdev, skb);
5194 break;
5195
1143d458
BG		 5196 case HCI_EV_USER_PASSKEY_REQUEST:
5197 hci_user_passkey_request_evt(hdev, skb);
5198 break;
5199
92a25256
JH		 5200 case HCI_EV_USER_PASSKEY_NOTIFY:
5201 hci_user_passkey_notify_evt(hdev, skb);
5202 break;
5203
5204 case HCI_EV_KEYPRESS_NOTIFY:
5205 hci_keypress_notify_evt(hdev, skb);
5206 break;
5207
0493684e
MH		 5208 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5209 hci_simple_pair_complete_evt(hdev, skb);
5210 break;
5211
41a96212
MH		 5212 case HCI_EV_REMOTE_HOST_FEATURES:
5213 hci_remote_host_features_evt(hdev, skb);
5214 break;
5215
fcd89c09
VT		 5216 case HCI_EV_LE_META:
5217 hci_le_meta_evt(hdev, skb);
5218 break;
5219
9495b2ee
AE		 5220 case HCI_EV_CHANNEL_SELECTED:
5221 hci_chan_selected_evt(hdev, skb);
5222 break;
5223
2763eda6
SJ		 5224 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5225 hci_remote_oob_data_request_evt(hdev, skb);
5226 break;
5227
d5e91192
AE		 5228 case HCI_EV_PHY_LINK_COMPLETE:
5229 hci_phy_link_complete_evt(hdev, skb);
5230 break;
5231
27695fb4
AE		 5232 case HCI_EV_LOGICAL_LINK_COMPLETE:
5233 hci_loglink_complete_evt(hdev, skb);
5234 break;
5235
606e2a10
AE		 5236 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5237 hci_disconn_loglink_complete_evt(hdev, skb);
5238 break;
5239
9eef6b3a
AE		 5240 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5241 hci_disconn_phylink_complete_evt(hdev, skb);
5242 break;
5243
25e89e99
AE		 5244 case HCI_EV_NUM_COMP_BLOCKS:
5245 hci_num_comp_blocks_evt(hdev, skb);
5246 break;
5247
a9de9248 5248 default:
9f1db00c 5249 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 5250 break;
5251 }
5252
e6214487
JH		 5253 if (req_complete)
5254 req_complete(hdev, status, opcode);
5255 else if (req_complete_skb)
5256 req_complete_skb(hdev, status, opcode, orig_skb);
5257
5258 kfree_skb(orig_skb);
1da177e4
LT		 5259 kfree_skb(skb);
5260 hdev->stat.evt_rx++;
5261}
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