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Bluetooth: Export SMP selftest result in debugfs
[deliverable/linux.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
0857dd3b 33#include "hci_request.h"
23b9ceb7 34#include "hci_debugfs.h"
7024728e 35#include "a2mp.h"
7ef9fbf0 36#include "amp.h"
2ceba539 37#include "smp.h"
1da177e4 38
aa5b0345
MH		 39#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
40 "\x00\x00\x00\x00\x00\x00\x00\x00"
41
1da177e4
LT		 42/* Handle HCI Event packets */
43
a9de9248 44static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 45{
a9de9248 46 __u8 status = *((__u8 *) skb->data);
1da177e4 47
9f1db00c 48 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 49
82f4785c 50 if (status)
a9de9248 51 return;
1da177e4 52
89352e7d 53 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 54 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 55 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 56
50143a43
JH		 57 hci_dev_lock(hdev);
58 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
59 hci_dev_unlock(hdev);
60
a9de9248
MH		 61 hci_conn_check_pending(hdev);
62}
6bd57416 63
4d93483b
AG		 64static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
65{
66 __u8 status = *((__u8 *) skb->data);
67
9f1db00c 68 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 69
70 if (status)
71 return;
72
a1536da2 73 hci_dev_set_flag(hdev, HCI_PERIODIC_INQ);
4d93483b
AG		 74}
75
a9de9248
MH		 76static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
77{
78 __u8 status = *((__u8 *) skb->data);
6bd57416 79
9f1db00c 80 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 81
a9de9248
MH		 82 if (status)
83 return;
1da177e4 84
a358dc11 85 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ);
ae854a70 86
a9de9248
MH		 87 hci_conn_check_pending(hdev);
88}
89
807deac2
GP		 90static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
91 struct sk_buff *skb)
a9de9248
MH		 92{
93 BT_DBG("%s", hdev->name);
94}
95
96static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
97{
98 struct hci_rp_role_discovery *rp = (void *) skb->data;
99 struct hci_conn *conn;
100
9f1db00c 101 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 102
103 if (rp->status)
104 return;
105
106 hci_dev_lock(hdev);
107
108 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 109 if (conn)
110 conn->role = rp->role;
a9de9248
MH		 111
112 hci_dev_unlock(hdev);
1da177e4
LT		 113}
114
e4e8e37c
MH		 115static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
116{
117 struct hci_rp_read_link_policy *rp = (void *) skb->data;
118 struct hci_conn *conn;
119
9f1db00c 120 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 121
122 if (rp->status)
123 return;
124
125 hci_dev_lock(hdev);
126
127 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
128 if (conn)
129 conn->link_policy = __le16_to_cpu(rp->policy);
130
131 hci_dev_unlock(hdev);
132}
133
a9de9248 134static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 135{
a9de9248 136 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 137 struct hci_conn *conn;
04837f64 138 void *sent;
1da177e4 139
9f1db00c 140 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 141
a9de9248
MH		 142 if (rp->status)
143 return;
1da177e4 144
a9de9248
MH		 145 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
146 if (!sent)
147 return;
1da177e4 148
a9de9248 149 hci_dev_lock(hdev);
1da177e4 150
a9de9248 151 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 152 if (conn)
83985319 153 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 154
a9de9248
MH		 155 hci_dev_unlock(hdev);
156}
1da177e4 157
807deac2
GP		 158static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
159 struct sk_buff *skb)
e4e8e37c
MH		 160{
161 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
162
9f1db00c 163 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 164
165 if (rp->status)
166 return;
167
168 hdev->link_policy = __le16_to_cpu(rp->policy);
169}
170
807deac2
GP		 171static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
172 struct sk_buff *skb)
e4e8e37c
MH		 173{
174 __u8 status = *((__u8 *) skb->data);
175 void *sent;
176
9f1db00c 177 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 178
45296acd
MH		 179 if (status)
180 return;
181
e4e8e37c
MH		 182 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
183 if (!sent)
184 return;
185
45296acd 186 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 187}
188
a9de9248
MH		 189static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
190{
191 __u8 status = *((__u8 *) skb->data);
04837f64 192
9f1db00c 193 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 194
10572132
GP		 195 clear_bit(HCI_RESET, &hdev->flags);
196
8761f9d6
MH		 197 if (status)
198 return;
199
a297e97c 200 /* Reset all non-persistent flags */
eacb44df 201 hci_dev_clear_volatile_flags(hdev);
69775ff6 202
39c5d970
JH		 203 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
204
bbaf444a
JH		 205 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
206 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 207
208 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
209 hdev->adv_data_len = 0;
f8e808bd
MH		 210
211 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
212 hdev->scan_rsp_data_len = 0;
06f5b778 213
533553f8
MH		 214 hdev->le_scan_type = LE_SCAN_PASSIVE;
215
06f5b778 216 hdev->ssp_debug_mode = 0;
a4d5504d
MH		 217
218 hci_bdaddr_list_clear(&hdev->le_white_list);
a9de9248 219}
04837f64 220
c2f0f979
MH		 221static void hci_cc_read_stored_link_key(struct hci_dev *hdev,
222 struct sk_buff *skb)
223{
224 struct hci_rp_read_stored_link_key *rp = (void *)skb->data;
225 struct hci_cp_read_stored_link_key *sent;
226
227 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
228
229 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_STORED_LINK_KEY);
230 if (!sent)
231 return;
232
233 if (!rp->status && sent->read_all == 0x01) {
234 hdev->stored_max_keys = rp->max_keys;
235 hdev->stored_num_keys = rp->num_keys;
236 }
237}
238
a9366120
MH		 239static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
240 struct sk_buff *skb)
241{
242 struct hci_rp_delete_stored_link_key *rp = (void *)skb->data;
243
244 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
245
246 if (rp->status)
247 return;
248
249 if (rp->num_keys <= hdev->stored_num_keys)
250 hdev->stored_num_keys -= rp->num_keys;
251 else
252 hdev->stored_num_keys = 0;
253}
254
a9de9248
MH		 255static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
256{
257 __u8 status = *((__u8 *) skb->data);
258 void *sent;
04837f64 259
9f1db00c 260 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 261
a9de9248
MH		 262 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
263 if (!sent)
264 return;
04837f64 265
56e5cb86
JH		 266 hci_dev_lock(hdev);
267
d7a5a11d 268 if (hci_dev_test_flag(hdev, HCI_MGMT))
f51d5b24 269 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 270 else if (!status)
271 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 272
56e5cb86 273 hci_dev_unlock(hdev);
a9de9248
MH		 274}
275
276static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
277{
278 struct hci_rp_read_local_name *rp = (void *) skb->data;
279
9f1db00c 280 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 281
282 if (rp->status)
283 return;
284
d7a5a11d
MH		 285 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
286 hci_dev_test_flag(hdev, HCI_CONFIG))
db99b5fc 287 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 288}
289
290static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
291{
292 __u8 status = *((__u8 *) skb->data);
293 void *sent;
294
9f1db00c 295 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 296
297 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
298 if (!sent)
299 return;
300
5c1a4c8f
JK		 301 hci_dev_lock(hdev);
302
a9de9248
MH		 303 if (!status) {
304 __u8 param = *((__u8 *) sent);
305
306 if (param == AUTH_ENABLED)
307 set_bit(HCI_AUTH, &hdev->flags);
308 else
309 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 310 }
a9de9248 311
d7a5a11d 312 if (hci_dev_test_flag(hdev, HCI_MGMT))
33ef95ed 313 mgmt_auth_enable_complete(hdev, status);
5c1a4c8f
JK		 314
315 hci_dev_unlock(hdev);
1da177e4
LT		 316}
317
a9de9248 318static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 319{
a9de9248 320 __u8 status = *((__u8 *) skb->data);
45296acd 321 __u8 param;
1da177e4
LT		 322 void *sent;
323
9f1db00c 324 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 325
45296acd
MH		 326 if (status)
327 return;
328
a9de9248
MH		 329 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
330 if (!sent)
331 return;
1da177e4 332
45296acd 333 param = *((__u8 *) sent);
a9de9248 334
45296acd
MH		 335 if (param)
336 set_bit(HCI_ENCRYPT, &hdev->flags);
337 else
338 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 339}
1da177e4 340
a9de9248
MH		 341static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
342{
45296acd
MH		 343 __u8 status = *((__u8 *) skb->data);
344 __u8 param;
a9de9248 345 void *sent;
1da177e4 346
9f1db00c 347 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 348
a9de9248
MH		 349 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
350 if (!sent)
351 return;
1da177e4 352
36f7fc7e
JH		 353 param = *((__u8 *) sent);
354
56e5cb86
JH		 355 hci_dev_lock(hdev);
356
fa1bd918 357 if (status) {
2d7cee58
JH		 358 hdev->discov_timeout = 0;
359 goto done;
360 }
361
bc6d2d04 362 if (param & SCAN_INQUIRY)
36f7fc7e 363 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 364 else
365 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 366
031547d8 367 if (param & SCAN_PAGE)
36f7fc7e 368 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04 369 else
204e3990 370 clear_bit(HCI_PSCAN, &hdev->flags);
1da177e4 371
36f7fc7e 372done:
56e5cb86 373 hci_dev_unlock(hdev);
a9de9248 374}
1da177e4 375
a9de9248
MH		 376static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
377{
378 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 379
9f1db00c 380 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 381
a9de9248
MH		 382 if (rp->status)
383 return;
1da177e4 384
a9de9248 385 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 386
a9de9248 387 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 388 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 389}
1da177e4 390
a9de9248
MH		 391static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
392{
393 __u8 status = *((__u8 *) skb->data);
394 void *sent;
1da177e4 395
9f1db00c 396 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 397
a9de9248
MH		 398 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
399 if (!sent)
400 return;
1da177e4 401
7f9a903c
MH		 402 hci_dev_lock(hdev);
403
404 if (status == 0)
405 memcpy(hdev->dev_class, sent, 3);
406
d7a5a11d 407 if (hci_dev_test_flag(hdev, HCI_MGMT))
7f9a903c
MH		 408 mgmt_set_class_of_dev_complete(hdev, sent, status);
409
410 hci_dev_unlock(hdev);
a9de9248 411}
1da177e4 412
a9de9248
MH		 413static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
414{
415 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
416 __u16 setting;
417
9f1db00c 418 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 419
420 if (rp->status)
421 return;
422
423 setting = __le16_to_cpu(rp->voice_setting);
424
f383f275 425 if (hdev->voice_setting == setting)
a9de9248
MH		 426 return;
427
428 hdev->voice_setting = setting;
429
9f1db00c 430 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 431
3c54711c 432 if (hdev->notify)
a9de9248 433 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 434}
435
8fc9ced3
GP		 436static void hci_cc_write_voice_setting(struct hci_dev *hdev,
437 struct sk_buff *skb)
a9de9248
MH		 438{
439 __u8 status = *((__u8 *) skb->data);
f383f275 440 __u16 setting;
a9de9248
MH		 441 void *sent;
442
9f1db00c 443 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 444
f383f275
MH		 445 if (status)
446 return;
447
a9de9248
MH		 448 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
449 if (!sent)
450 return;
1da177e4 451
f383f275 452 setting = get_unaligned_le16(sent);
1da177e4 453
f383f275
MH		 454 if (hdev->voice_setting == setting)
455 return;
456
457 hdev->voice_setting = setting;
1da177e4 458
9f1db00c 459 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 460
3c54711c 461 if (hdev->notify)
f383f275 462 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 463}
464
b4cb9fb2
MH		 465static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
466 struct sk_buff *skb)
467{
468 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
469
470 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
471
472 if (rp->status)
473 return;
474
475 hdev->num_iac = rp->num_iac;
476
477 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
478}
479
333140b5
MH		 480static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
481{
482 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 483 struct hci_cp_write_ssp_mode *sent;
333140b5 484
9f1db00c 485 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 486
333140b5
MH		 487 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
488 if (!sent)
489 return;
490
5c1a4c8f
JK		 491 hci_dev_lock(hdev);
492
5ed8eb2f
JH		 493 if (!status) {
494 if (sent->mode)
cad718ed 495 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 496 else
cad718ed 497 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 498 }
499
d7a5a11d 500 if (hci_dev_test_flag(hdev, HCI_MGMT))
5ed8eb2f 501 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 502 else if (!status) {
5ed8eb2f 503 if (sent->mode)
a1536da2 504 hci_dev_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 505 else
a358dc11 506 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 507 }
5c1a4c8f
JK		 508
509 hci_dev_unlock(hdev);
333140b5
MH		 510}
511
eac83dc6
MH		 512static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
513{
514 u8 status = *((u8 *) skb->data);
515 struct hci_cp_write_sc_support *sent;
516
517 BT_DBG("%s status 0x%2.2x", hdev->name, status);
518
519 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
520 if (!sent)
521 return;
522
5c1a4c8f
JK		 523 hci_dev_lock(hdev);
524
eac83dc6
MH		 525 if (!status) {
526 if (sent->support)
527 hdev->features[1][0] |= LMP_HOST_SC;
528 else
529 hdev->features[1][0] &= ~LMP_HOST_SC;
530 }
531
d7a5a11d 532 if (!hci_dev_test_flag(hdev, HCI_MGMT) && !status) {
eac83dc6 533 if (sent->support)
a1536da2 534 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
eac83dc6 535 else
a358dc11 536 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
eac83dc6 537 }
5c1a4c8f
JK		 538
539 hci_dev_unlock(hdev);
eac83dc6
MH		 540}
541
a9de9248
MH		 542static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
543{
544 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 545
9f1db00c 546 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 547
a9de9248 548 if (rp->status)
42c6b129 549 return;
1143e5a6 550
d7a5a11d
MH		 551 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
552 hci_dev_test_flag(hdev, HCI_CONFIG)) {
0d5551f5
MH		 553 hdev->hci_ver = rp->hci_ver;
554 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
555 hdev->lmp_ver = rp->lmp_ver;
556 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
557 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
558 }
d5859e22
JH		 559}
560
8fc9ced3
GP		 561static void hci_cc_read_local_commands(struct hci_dev *hdev,
562 struct sk_buff *skb)
a9de9248
MH		 563{
564 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 565
9f1db00c 566 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 567
6a070e6e
MH		 568 if (rp->status)
569 return;
570
d7a5a11d
MH		 571 if (hci_dev_test_flag(hdev, HCI_SETUP) ||
572 hci_dev_test_flag(hdev, HCI_CONFIG))
2177bab5 573 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 574}
1da177e4 575
8fc9ced3
GP		 576static void hci_cc_read_local_features(struct hci_dev *hdev,
577 struct sk_buff *skb)
a9de9248
MH		 578{
579 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 580
9f1db00c 581 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 582
a9de9248
MH		 583 if (rp->status)
584 return;
5b7f9909 585
a9de9248 586 memcpy(hdev->features, rp->features, 8);
5b7f9909 587
a9de9248
MH		 588 /* Adjust default settings according to features
589 * supported by device. */
1da177e4 590
cad718ed 591 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 592 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 593
cad718ed 594 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 595 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 596
cad718ed 597 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 598 hdev->pkt_type |= (HCI_HV2);
599 hdev->esco_type |= (ESCO_HV2);
600 }
1da177e4 601
cad718ed 602 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 603 hdev->pkt_type |= (HCI_HV3);
604 hdev->esco_type |= (ESCO_HV3);
605 }
1da177e4 606
45db810f 607 if (lmp_esco_capable(hdev))
a9de9248 608 hdev->esco_type |= (ESCO_EV3);
da1f5198 609
cad718ed 610 if (hdev->features[0][4] & LMP_EV4)
a9de9248 611 hdev->esco_type |= (ESCO_EV4);
da1f5198 612
cad718ed 613 if (hdev->features[0][4] & LMP_EV5)
a9de9248 614 hdev->esco_type |= (ESCO_EV5);
1da177e4 615
cad718ed 616 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 617 hdev->esco_type |= (ESCO_2EV3);
618
cad718ed 619 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 620 hdev->esco_type |= (ESCO_3EV3);
621
cad718ed 622 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 623 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 624}
1da177e4 625
971e3a4b 626static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 627 struct sk_buff *skb)
971e3a4b
AG		 628{
629 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
630
9f1db00c 631 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 632
633 if (rp->status)
42c6b129 634 return;
971e3a4b 635
57af75a8
MH		 636 if (hdev->max_page < rp->max_page)
637 hdev->max_page = rp->max_page;
d2c5d77f 638
cad718ed
JH		 639 if (rp->page < HCI_MAX_PAGES)
640 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 641}
642
1e89cffb 643static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 644 struct sk_buff *skb)
1e89cffb
AE		 645{
646 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
647
9f1db00c 648 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 649
45296acd
MH		 650 if (rp->status)
651 return;
652
653 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 654}
655
a9de9248
MH		 656static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
657{
658 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 659
9f1db00c 660 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 661
a9de9248
MH		 662 if (rp->status)
663 return;
1da177e4 664
a9de9248
MH		 665 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
666 hdev->sco_mtu = rp->sco_mtu;
667 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
668 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
669
670 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
671 hdev->sco_mtu = 64;
672 hdev->sco_pkts = 8;
1da177e4 673 }
a9de9248
MH		 674
675 hdev->acl_cnt = hdev->acl_pkts;
676 hdev->sco_cnt = hdev->sco_pkts;
677
807deac2
GP		 678 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
679 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 680}
681
682static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
683{
684 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
685
9f1db00c 686 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 687
e30d3f5f
MH		 688 if (rp->status)
689 return;
690
691 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 692 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f 693
d7a5a11d 694 if (hci_dev_test_flag(hdev, HCI_SETUP))
e30d3f5f 695 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 696}
697
f332ec66
JH		 698static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
699 struct sk_buff *skb)
700{
701 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
702
703 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
704
45296acd
MH		 705 if (rp->status)
706 return;
707
708 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 709 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
710 hdev->page_scan_window = __le16_to_cpu(rp->window);
711 }
712}
713
4a3ee763
JH		 714static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
715 struct sk_buff *skb)
716{
717 u8 status = *((u8 *) skb->data);
718 struct hci_cp_write_page_scan_activity *sent;
719
720 BT_DBG("%s status 0x%2.2x", hdev->name, status);
721
722 if (status)
723 return;
724
725 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
726 if (!sent)
727 return;
728
729 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
730 hdev->page_scan_window = __le16_to_cpu(sent->window);
731}
732
f332ec66
JH		 733static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
734 struct sk_buff *skb)
735{
736 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
737
738 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
739
45296acd
MH		 740 if (rp->status)
741 return;
742
743 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 744 hdev->page_scan_type = rp->type;
745}
746
4a3ee763
JH		 747static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
748 struct sk_buff *skb)
749{
750 u8 status = *((u8 *) skb->data);
751 u8 *type;
752
753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
754
755 if (status)
756 return;
757
758 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
759 if (type)
760 hdev->page_scan_type = *type;
761}
762
350ee4cf 763static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 764 struct sk_buff *skb)
350ee4cf
AE		 765{
766 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
767
9f1db00c 768 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 769
770 if (rp->status)
771 return;
772
773 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
774 hdev->block_len = __le16_to_cpu(rp->block_len);
775 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
776
777 hdev->block_cnt = hdev->num_blocks;
778
779 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 780 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 781}
782
33f35721
JH		 783static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
784{
785 struct hci_rp_read_clock *rp = (void *) skb->data;
786 struct hci_cp_read_clock *cp;
787 struct hci_conn *conn;
788
789 BT_DBG("%s", hdev->name);
790
791 if (skb->len < sizeof(*rp))
792 return;
793
794 if (rp->status)
795 return;
796
797 hci_dev_lock(hdev);
798
799 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
800 if (!cp)
801 goto unlock;
802
803 if (cp->which == 0x00) {
804 hdev->clock = le32_to_cpu(rp->clock);
805 goto unlock;
806 }
807
808 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
809 if (conn) {
810 conn->clock = le32_to_cpu(rp->clock);
811 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
812 }
813
814unlock:
815 hci_dev_unlock(hdev);
816}
817
928abaa7 818static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 819 struct sk_buff *skb)
928abaa7
AE		 820{
821 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
822
9f1db00c 823 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 824
825 if (rp->status)
8e2a0d92 826 goto a2mp_rsp;
928abaa7
AE		 827
828 hdev->amp_status = rp->amp_status;
829 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
830 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
831 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
832 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
833 hdev->amp_type = rp->amp_type;
834 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
835 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
836 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
837 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
838
8e2a0d92
AE		 839a2mp_rsp:
840 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 841}
842
903e4541
AE		 843static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
844 struct sk_buff *skb)
845{
846 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
847 struct amp_assoc *assoc = &hdev->loc_assoc;
848 size_t rem_len, frag_len;
849
850 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
851
852 if (rp->status)
853 goto a2mp_rsp;
854
855 frag_len = skb->len - sizeof(*rp);
856 rem_len = __le16_to_cpu(rp->rem_len);
857
858 if (rem_len > frag_len) {
2e430be3 859 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 860
861 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
862 assoc->offset += frag_len;
863
864 /* Read other fragments */
865 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
866
867 return;
868 }
869
870 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
871 assoc->len = assoc->offset + rem_len;
872 assoc->offset = 0;
873
874a2mp_rsp:
875 /* Send A2MP Rsp when all fragments are received */
876 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 877 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 878}
879
d5859e22 880static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 881 struct sk_buff *skb)
d5859e22 882{
91c4e9b1 883 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 884
9f1db00c 885 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 886
45296acd
MH		 887 if (rp->status)
888 return;
889
890 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 891}
892
980e1a53
JH		 893static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
894{
895 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
896 struct hci_cp_pin_code_reply *cp;
897 struct hci_conn *conn;
898
9f1db00c 899 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 900
56e5cb86
JH		 901 hci_dev_lock(hdev);
902
d7a5a11d 903 if (hci_dev_test_flag(hdev, HCI_MGMT))
744cf19e 904 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 905
fa1bd918 906 if (rp->status)
56e5cb86 907 goto unlock;
980e1a53
JH		 908
909 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
910 if (!cp)
56e5cb86 911 goto unlock;
980e1a53
JH		 912
913 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
914 if (conn)
915 conn->pin_length = cp->pin_len;
56e5cb86
JH		 916
917unlock:
918 hci_dev_unlock(hdev);
980e1a53
JH		 919}
920
921static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
922{
923 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
924
9f1db00c 925 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 926
56e5cb86
JH		 927 hci_dev_lock(hdev);
928
d7a5a11d 929 if (hci_dev_test_flag(hdev, HCI_MGMT))
744cf19e 930 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 931 rp->status);
56e5cb86
JH		 932
933 hci_dev_unlock(hdev);
980e1a53 934}
56e5cb86 935
6ed58ec5
VT		 936static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
937 struct sk_buff *skb)
938{
939 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
940
9f1db00c 941 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 942
943 if (rp->status)
944 return;
945
946 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
947 hdev->le_pkts = rp->le_max_pkt;
948
949 hdev->le_cnt = hdev->le_pkts;
950
951 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 952}
980e1a53 953
60e77321
JH		 954static void hci_cc_le_read_local_features(struct hci_dev *hdev,
955 struct sk_buff *skb)
956{
957 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
958
959 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
960
45296acd
MH		 961 if (rp->status)
962 return;
963
964 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 965}
966
8fa19098
JH		 967static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
968 struct sk_buff *skb)
969{
970 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
971
972 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
973
45296acd
MH		 974 if (rp->status)
975 return;
976
977 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 978}
979
a5c29683
JH		 980static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
981{
982 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
983
9f1db00c 984 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 985
56e5cb86
JH		 986 hci_dev_lock(hdev);
987
d7a5a11d 988 if (hci_dev_test_flag(hdev, HCI_MGMT))
04124681
GP		 989 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
990 rp->status);
56e5cb86
JH		 991
992 hci_dev_unlock(hdev);
a5c29683
JH		 993}
994
995static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 996 struct sk_buff *skb)
a5c29683
JH		 997{
998 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
999
9f1db00c 1000 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 1001
56e5cb86
JH		 1002 hci_dev_lock(hdev);
1003
d7a5a11d 1004 if (hci_dev_test_flag(hdev, HCI_MGMT))
744cf19e 1005 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 1006 ACL_LINK, 0, rp->status);
56e5cb86
JH		 1007
1008 hci_dev_unlock(hdev);
a5c29683
JH		 1009}
1010
1143d458
BG		 1011static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
1012{
1013 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1014
9f1db00c 1015 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 1016
1017 hci_dev_lock(hdev);
1018
d7a5a11d 1019 if (hci_dev_test_flag(hdev, HCI_MGMT))
272d90df 1020 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 1021 0, rp->status);
1143d458
BG		 1022
1023 hci_dev_unlock(hdev);
1024}
1025
1026static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 1027 struct sk_buff *skb)
1143d458
BG		 1028{
1029 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1030
9f1db00c 1031 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 1032
1033 hci_dev_lock(hdev);
1034
d7a5a11d 1035 if (hci_dev_test_flag(hdev, HCI_MGMT))
1143d458 1036 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 1037 ACL_LINK, 0, rp->status);
1143d458
BG		 1038
1039 hci_dev_unlock(hdev);
1040}
1041
4d2d2796
MH		 1042static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
1043 struct sk_buff *skb)
c35938b2
SJ		 1044{
1045 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1046
9f1db00c 1047 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 1048
56e5cb86 1049 hci_dev_lock(hdev);
38da1703
JH		 1050 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->rand, NULL, NULL,
1051 rp->status);
4d2d2796
MH		 1052 hci_dev_unlock(hdev);
1053}
1054
1055static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1056 struct sk_buff *skb)
1057{
1058 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1059
1060 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1061
1062 hci_dev_lock(hdev);
38da1703
JH		 1063 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->rand192,
1064 rp->hash256, rp->rand256,
4d2d2796 1065 rp->status);
56e5cb86 1066 hci_dev_unlock(hdev);
c35938b2
SJ		 1067}
1068
7a4cd51d
MH		 1069static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1070{
1071 __u8 status = *((__u8 *) skb->data);
1072 bdaddr_t *sent;
1073
1074 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1075
45296acd
MH		 1076 if (status)
1077 return;
1078
7a4cd51d
MH		 1079 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1080 if (!sent)
1081 return;
1082
1083 hci_dev_lock(hdev);
1084
45296acd 1085 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1086
1087 hci_dev_unlock(hdev);
1088}
1089
c1d5dc4a
JH		 1090static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1091{
1092 __u8 *sent, status = *((__u8 *) skb->data);
1093
1094 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1095
45296acd 1096 if (status)
c1d5dc4a
JH		 1097 return;
1098
45296acd
MH		 1099 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1100 if (!sent)
3c857757
JH		 1101 return;
1102
c1d5dc4a
JH		 1103 hci_dev_lock(hdev);
1104
49c922bb 1105 /* If we're doing connection initiation as peripheral. Set a
3c857757
JH		 1106 * timeout in case something goes wrong.
1107 */
1108 if (*sent) {
1109 struct hci_conn *conn;
1110
a1536da2 1111 hci_dev_set_flag(hdev, HCI_LE_ADV);
66c417c1 1112
3c857757
JH		 1113 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1114 if (conn)
1115 queue_delayed_work(hdev->workqueue,
1116 &conn->le_conn_timeout,
09ae260b 1117 conn->conn_timeout);
66c417c1 1118 } else {
a358dc11 1119 hci_dev_clear_flag(hdev, HCI_LE_ADV);
3c857757
JH		 1120 }
1121
04b4edcb 1122 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1123}
1124
533553f8
MH		 1125static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1126{
1127 struct hci_cp_le_set_scan_param *cp;
1128 __u8 status = *((__u8 *) skb->data);
1129
1130 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1131
45296acd
MH		 1132 if (status)
1133 return;
1134
533553f8
MH		 1135 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1136 if (!cp)
1137 return;
1138
1139 hci_dev_lock(hdev);
1140
45296acd 1141 hdev->le_scan_type = cp->type;
533553f8
MH		 1142
1143 hci_dev_unlock(hdev);
1144}
1145
b9a6328f
JH		 1146static bool has_pending_adv_report(struct hci_dev *hdev)
1147{
1148 struct discovery_state *d = &hdev->discovery;
1149
1150 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1151}
1152
1153static void clear_pending_adv_report(struct hci_dev *hdev)
1154{
1155 struct discovery_state *d = &hdev->discovery;
1156
1157 bacpy(&d->last_adv_addr, BDADDR_ANY);
1158 d->last_adv_data_len = 0;
1159}
1160
1161static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1162 u8 bdaddr_type, s8 rssi, u32 flags,
1163 u8 *data, u8 len)
b9a6328f
JH		 1164{
1165 struct discovery_state *d = &hdev->discovery;
1166
1167 bacpy(&d->last_adv_addr, bdaddr);
1168 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1169 d->last_adv_rssi = rssi;
c70a7e4c 1170 d->last_adv_flags = flags;
b9a6328f
JH		 1171 memcpy(d->last_adv_data, data, len);
1172 d->last_adv_data_len = len;
1173}
1174
eb9d91f5 1175static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1176 struct sk_buff *skb)
eb9d91f5
AG		 1177{
1178 struct hci_cp_le_set_scan_enable *cp;
1179 __u8 status = *((__u8 *) skb->data);
1180
9f1db00c 1181 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1182
45296acd 1183 if (status)
eb9d91f5
AG		 1184 return;
1185
45296acd
MH		 1186 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1187 if (!cp)
3fd319b8
AG		 1188 return;
1189
5c1a4c8f
JK		 1190 hci_dev_lock(hdev);
1191
68a8aea4 1192 switch (cp->enable) {
76a388be 1193 case LE_SCAN_ENABLE:
a1536da2 1194 hci_dev_set_flag(hdev, HCI_LE_SCAN);
b9a6328f
JH		 1195 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1196 clear_pending_adv_report(hdev);
68a8aea4
AE		 1197 break;
1198
76a388be 1199 case LE_SCAN_DISABLE:
b9a6328f
JH		 1200 /* We do this here instead of when setting DISCOVERY_STOPPED
1201 * since the latter would potentially require waiting for
1202 * inquiry to stop too.
1203 */
1204 if (has_pending_adv_report(hdev)) {
1205 struct discovery_state *d = &hdev->discovery;
1206
1207 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1208 d->last_adv_addr_type, NULL,
c70a7e4c 1209 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1210 d->last_adv_data,
b9a6328f
JH		 1211 d->last_adv_data_len, NULL, 0);
1212 }
1213
317ac8cb
JH		 1214 /* Cancel this timer so that we don't try to disable scanning
1215 * when it's already disabled.
1216 */
1217 cancel_delayed_work(&hdev->le_scan_disable);
1218
a358dc11 1219 hci_dev_clear_flag(hdev, HCI_LE_SCAN);
e8bb6b97 1220
81ad6fd9
JH		 1221 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1222 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1223 * therefore discovery as stopped. If this was not
1224 * because of a connect request advertising might have
1225 * been disabled because of active scanning, so
1226 * re-enable it again if necessary.
81ad6fd9 1227 */
a69d8927 1228 if (hci_dev_test_and_clear_flag(hdev, HCI_LE_SCAN_INTERRUPTED))
81ad6fd9 1229 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
d7a5a11d 1230 else if (!hci_dev_test_flag(hdev, HCI_LE_ADV) &&
34722277 1231 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1232 mgmt_reenable_advertising(hdev);
1233
68a8aea4
AE		 1234 break;
1235
1236 default:
1237 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1238 break;
35815085 1239 }
5c1a4c8f
JK		 1240
1241 hci_dev_unlock(hdev);
eb9d91f5
AG		 1242}
1243
cf1d081f
JH		 1244static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1245 struct sk_buff *skb)
1246{
1247 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1248
1249 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1250
45296acd
MH		 1251 if (rp->status)
1252 return;
1253
1254 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1255}
1256
0f36b589
MH		 1257static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1258 struct sk_buff *skb)
1259{
1260 __u8 status = *((__u8 *) skb->data);
1261
1262 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1263
45296acd
MH		 1264 if (status)
1265 return;
1266
dcc36c16 1267 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1268}
1269
1270static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1271 struct sk_buff *skb)
1272{
1273 struct hci_cp_le_add_to_white_list *sent;
1274 __u8 status = *((__u8 *) skb->data);
1275
1276 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1277
45296acd
MH		 1278 if (status)
1279 return;
1280
0f36b589
MH		 1281 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1282 if (!sent)
1283 return;
1284
dcc36c16
JH		 1285 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1286 sent->bdaddr_type);
0f36b589
MH		 1287}
1288
1289static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1290 struct sk_buff *skb)
1291{
1292 struct hci_cp_le_del_from_white_list *sent;
1293 __u8 status = *((__u8 *) skb->data);
1294
1295 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1296
45296acd
MH		 1297 if (status)
1298 return;
1299
0f36b589
MH		 1300 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1301 if (!sent)
1302 return;
1303
dcc36c16
JH		 1304 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1305 sent->bdaddr_type);
0f36b589
MH		 1306}
1307
9b008c04
JH		 1308static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1309 struct sk_buff *skb)
1310{
1311 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1312
1313 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1314
45296acd
MH		 1315 if (rp->status)
1316 return;
1317
1318 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1319}
1320
a8e1bfaa
MH		 1321static void hci_cc_le_read_def_data_len(struct hci_dev *hdev,
1322 struct sk_buff *skb)
1323{
1324 struct hci_rp_le_read_def_data_len *rp = (void *) skb->data;
1325
1326 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1327
1328 if (rp->status)
1329 return;
1330
1331 hdev->le_def_tx_len = le16_to_cpu(rp->tx_len);
1332 hdev->le_def_tx_time = le16_to_cpu(rp->tx_time);
1333}
1334
1335static void hci_cc_le_write_def_data_len(struct hci_dev *hdev,
1336 struct sk_buff *skb)
1337{
1338 struct hci_cp_le_write_def_data_len *sent;
1339 __u8 status = *((__u8 *) skb->data);
1340
1341 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1342
1343 if (status)
1344 return;
1345
1346 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_WRITE_DEF_DATA_LEN);
1347 if (!sent)
1348 return;
1349
1350 hdev->le_def_tx_len = le16_to_cpu(sent->tx_len);
1351 hdev->le_def_tx_time = le16_to_cpu(sent->tx_time);
1352}
1353
1354static void hci_cc_le_read_max_data_len(struct hci_dev *hdev,
1355 struct sk_buff *skb)
1356{
1357 struct hci_rp_le_read_max_data_len *rp = (void *) skb->data;
1358
1359 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1360
1361 if (rp->status)
1362 return;
1363
1364 hdev->le_max_tx_len = le16_to_cpu(rp->tx_len);
1365 hdev->le_max_tx_time = le16_to_cpu(rp->tx_time);
1366 hdev->le_max_rx_len = le16_to_cpu(rp->rx_len);
1367 hdev->le_max_rx_time = le16_to_cpu(rp->rx_time);
1368}
1369
6039aa73
GP		 1370static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1371 struct sk_buff *skb)
f9b49306 1372{
06199cf8 1373 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1374 __u8 status = *((__u8 *) skb->data);
1375
9f1db00c 1376 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1377
45296acd
MH		 1378 if (status)
1379 return;
1380
06199cf8 1381 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1382 if (!sent)
f9b49306
AG		 1383 return;
1384
5c1a4c8f
JK		 1385 hci_dev_lock(hdev);
1386
45296acd
MH		 1387 if (sent->le) {
1388 hdev->features[1][0] |= LMP_HOST_LE;
a1536da2 1389 hci_dev_set_flag(hdev, HCI_LE_ENABLED);
45296acd
MH		 1390 } else {
1391 hdev->features[1][0] &= ~LMP_HOST_LE;
a358dc11
MH		 1392 hci_dev_clear_flag(hdev, HCI_LE_ENABLED);
1393 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
8f984dfa 1394 }
45296acd
MH		 1395
1396 if (sent->simul)
1397 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1398 else
1399 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
5c1a4c8f
JK		 1400
1401 hci_dev_unlock(hdev);
f9b49306
AG		 1402}
1403
56ed2cb8
JH		 1404static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1405{
1406 struct hci_cp_le_set_adv_param *cp;
1407 u8 status = *((u8 *) skb->data);
1408
1409 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1410
1411 if (status)
1412 return;
1413
1414 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1415 if (!cp)
1416 return;
1417
1418 hci_dev_lock(hdev);
1419 hdev->adv_addr_type = cp->own_address_type;
1420 hci_dev_unlock(hdev);
1421}
1422
93c284ee
AE		 1423static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1424 struct sk_buff *skb)
1425{
1426 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1427
1428 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1429 hdev->name, rp->status, rp->phy_handle);
1430
1431 if (rp->status)
1432 return;
1433
1434 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1435}
1436
5ae76a94
AK		 1437static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1438{
1439 struct hci_rp_read_rssi *rp = (void *) skb->data;
1440 struct hci_conn *conn;
1441
1442 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1443
1444 if (rp->status)
1445 return;
1446
1447 hci_dev_lock(hdev);
1448
1449 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1450 if (conn)
1451 conn->rssi = rp->rssi;
1452
1453 hci_dev_unlock(hdev);
1454}
1455
5a134fae
AK		 1456static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1457{
1458 struct hci_cp_read_tx_power *sent;
1459 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1460 struct hci_conn *conn;
1461
1462 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1463
1464 if (rp->status)
1465 return;
1466
1467 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1468 if (!sent)
1469 return;
1470
1471 hci_dev_lock(hdev);
1472
1473 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1474 if (!conn)
1475 goto unlock;
1476
1477 switch (sent->type) {
1478 case 0x00:
5a134fae 1479 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1480 break;
1481 case 0x01:
1482 conn->max_tx_power = rp->tx_power;
1483 break;
1484 }
5a134fae 1485
d0455ed9 1486unlock:
5a134fae
AK		 1487 hci_dev_unlock(hdev);
1488}
1489
c50b33c8
MH		 1490static void hci_cc_write_ssp_debug_mode(struct hci_dev *hdev, struct sk_buff *skb)
1491{
1492 u8 status = *((u8 *) skb->data);
1493 u8 *mode;
1494
1495 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1496
1497 if (status)
1498 return;
1499
1500 mode = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE);
1501 if (mode)
1502 hdev->ssp_debug_mode = *mode;
1503}
1504
6039aa73 1505static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1506{
9f1db00c 1507 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1508
1509 if (status) {
a9de9248 1510 hci_conn_check_pending(hdev);
314b2381
JH		 1511 return;
1512 }
1513
89352e7d 1514 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1515}
1516
6039aa73 1517static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1518{
a9de9248 1519 struct hci_cp_create_conn *cp;
1da177e4 1520 struct hci_conn *conn;
1da177e4 1521
9f1db00c 1522 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1523
1524 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1525 if (!cp)
1526 return;
1527
1528 hci_dev_lock(hdev);
1529
1530 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1531
6ed93dc6 1532 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1533
1534 if (status) {
1535 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1536 if (status != 0x0c || conn->attempt > 2) {
1537 conn->state = BT_CLOSED;
539c496d 1538 hci_connect_cfm(conn, status);
4c67bc74
MH		 1539 hci_conn_del(conn);
1540 } else
1541 conn->state = BT_CONNECT2;
1da177e4
LT		 1542 }
1543 } else {
1544 if (!conn) {
a5c4e309
JH		 1545 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1546 HCI_ROLE_MASTER);
1547 if (!conn)
893ef971 1548 BT_ERR("No memory for new connection");
1da177e4
LT		 1549 }
1550 }
1551
1552 hci_dev_unlock(hdev);
1553}
1554
a9de9248 1555static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1556{
a9de9248
MH		 1557 struct hci_cp_add_sco *cp;
1558 struct hci_conn *acl, *sco;
1559 __u16 handle;
1da177e4 1560
9f1db00c 1561 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1562
a9de9248
MH		 1563 if (!status)
1564 return;
1da177e4 1565
a9de9248
MH		 1566 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1567 if (!cp)
1568 return;
1da177e4 1569
a9de9248 1570 handle = __le16_to_cpu(cp->handle);
1da177e4 1571
9f1db00c 1572 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1573
a9de9248 1574 hci_dev_lock(hdev);
1da177e4 1575
a9de9248 1576 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1577 if (acl) {
1578 sco = acl->link;
1579 if (sco) {
1580 sco->state = BT_CLOSED;
1da177e4 1581
539c496d 1582 hci_connect_cfm(sco, status);
5a08ecce
AE		 1583 hci_conn_del(sco);
1584 }
a9de9248 1585 }
1da177e4 1586
a9de9248
MH		 1587 hci_dev_unlock(hdev);
1588}
1da177e4 1589
f8558555
MH		 1590static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1591{
1592 struct hci_cp_auth_requested *cp;
1593 struct hci_conn *conn;
1594
9f1db00c 1595 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1596
1597 if (!status)
1598 return;
1599
1600 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1601 if (!cp)
1602 return;
1603
1604 hci_dev_lock(hdev);
1605
1606 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1607 if (conn) {
1608 if (conn->state == BT_CONFIG) {
539c496d 1609 hci_connect_cfm(conn, status);
76a68ba0 1610 hci_conn_drop(conn);
f8558555
MH		 1611 }
1612 }
1613
1614 hci_dev_unlock(hdev);
1615}
1616
1617static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1618{
1619 struct hci_cp_set_conn_encrypt *cp;
1620 struct hci_conn *conn;
1621
9f1db00c 1622 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1623
1624 if (!status)
1625 return;
1626
1627 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1628 if (!cp)
1629 return;
1630
1631 hci_dev_lock(hdev);
1632
1633 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1634 if (conn) {
1635 if (conn->state == BT_CONFIG) {
539c496d 1636 hci_connect_cfm(conn, status);
76a68ba0 1637 hci_conn_drop(conn);
f8558555
MH		 1638 }
1639 }
1640
1641 hci_dev_unlock(hdev);
1642}
1643
127178d2 1644static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1645 struct hci_conn *conn)
392599b9 1646{
392599b9
JH		 1647 if (conn->state != BT_CONFIG || !conn->out)
1648 return 0;
1649
765c2a96 1650 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1651 return 0;
1652
1653 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1654 * devices with sec_level MEDIUM or HIGH or if MITM protection
1655 * is requested.
1656 */
807deac2 1657 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1658 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1659 conn->pending_sec_level != BT_SECURITY_HIGH &&
1660 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1661 return 0;
1662
392599b9
JH		 1663 return 1;
1664}
1665
6039aa73 1666static int hci_resolve_name(struct hci_dev *hdev,
04124681 1667 struct inquiry_entry *e)
30dc78e1
JH		 1668{
1669 struct hci_cp_remote_name_req cp;
1670
1671 memset(&cp, 0, sizeof(cp));
1672
1673 bacpy(&cp.bdaddr, &e->data.bdaddr);
1674 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1675 cp.pscan_mode = e->data.pscan_mode;
1676 cp.clock_offset = e->data.clock_offset;
1677
1678 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1679}
1680
b644ba33 1681static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1682{
1683 struct discovery_state *discov = &hdev->discovery;
1684 struct inquiry_entry *e;
1685
b644ba33
JH		 1686 if (list_empty(&discov->resolve))
1687 return false;
1688
1689 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1690 if (!e)
1691 return false;
1692
b644ba33
JH		 1693 if (hci_resolve_name(hdev, e) == 0) {
1694 e->name_state = NAME_PENDING;
1695 return true;
1696 }
1697
1698 return false;
1699}
1700
1701static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1702 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1703{
1704 struct discovery_state *discov = &hdev->discovery;
1705 struct inquiry_entry *e;
1706
60cb49d2
JH		 1707 /* Update the mgmt connected state if necessary. Be careful with
1708 * conn objects that exist but are not (yet) connected however.
1709 * Only those in BT_CONFIG or BT_CONNECTED states can be
1710 * considered connected.
1711 */
1712 if (conn &&
1713 (conn->state == BT_CONFIG || conn->state == BT_CONNECTED) &&
cb77c3ec 1714 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 1715 mgmt_device_connected(hdev, conn, 0, name, name_len);
b644ba33
JH		 1716
1717 if (discov->state == DISCOVERY_STOPPED)
1718 return;
1719
30dc78e1
JH		 1720 if (discov->state == DISCOVERY_STOPPING)
1721 goto discov_complete;
1722
1723 if (discov->state != DISCOVERY_RESOLVING)
1724 return;
1725
1726 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1727 /* If the device was not found in a list of found devices names of which
1728 * are pending. there is no need to continue resolving a next name as it
1729 * will be done upon receiving another Remote Name Request Complete
1730 * Event */
1731 if (!e)
1732 return;
1733
1734 list_del(&e->list);
1735 if (name) {
30dc78e1 1736 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1737 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1738 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1739 } else {
1740 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1741 }
1742
b644ba33 1743 if (hci_resolve_next_name(hdev))
30dc78e1 1744 return;
30dc78e1
JH		 1745
1746discov_complete:
1747 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1748}
1749
a9de9248
MH		 1750static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1751{
127178d2
JH		 1752 struct hci_cp_remote_name_req *cp;
1753 struct hci_conn *conn;
1754
9f1db00c 1755 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1756
1757 /* If successful wait for the name req complete event before
1758 * checking for the need to do authentication */
1759 if (!status)
1760 return;
1761
1762 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1763 if (!cp)
1764 return;
1765
1766 hci_dev_lock(hdev);
1767
b644ba33
JH		 1768 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1769
d7a5a11d 1770 if (hci_dev_test_flag(hdev, HCI_MGMT))
b644ba33 1771 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1772
79c6c70c
JH		 1773 if (!conn)
1774 goto unlock;
1775
1776 if (!hci_outgoing_auth_needed(hdev, conn))
1777 goto unlock;
1778
51a8efd7 1779 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1780 struct hci_cp_auth_requested auth_cp;
1781
977f8fce
JH		 1782 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1783
c1f23a2b
JB		 1784 auth_cp.handle = __cpu_to_le16(conn->handle);
1785 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1786 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1787 }
1788
79c6c70c 1789unlock:
127178d2 1790 hci_dev_unlock(hdev);
a9de9248 1791}
1da177e4 1792
769be974
MH		 1793static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1794{
1795 struct hci_cp_read_remote_features *cp;
1796 struct hci_conn *conn;
1797
9f1db00c 1798 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1799
1800 if (!status)
1801 return;
1802
1803 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1804 if (!cp)
1805 return;
1806
1807 hci_dev_lock(hdev);
1808
1809 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1810 if (conn) {
1811 if (conn->state == BT_CONFIG) {
539c496d 1812 hci_connect_cfm(conn, status);
76a68ba0 1813 hci_conn_drop(conn);
769be974
MH		 1814 }
1815 }
1816
1817 hci_dev_unlock(hdev);
1818}
1819
1820static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1821{
1822 struct hci_cp_read_remote_ext_features *cp;
1823 struct hci_conn *conn;
1824
9f1db00c 1825 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1826
1827 if (!status)
1828 return;
1829
1830 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1831 if (!cp)
1832 return;
1833
1834 hci_dev_lock(hdev);
1835
1836 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1837 if (conn) {
1838 if (conn->state == BT_CONFIG) {
539c496d 1839 hci_connect_cfm(conn, status);
76a68ba0 1840 hci_conn_drop(conn);
769be974
MH		 1841 }
1842 }
1843
1844 hci_dev_unlock(hdev);
1845}
1846
a9de9248
MH		 1847static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1848{
b6a0dc82
MH		 1849 struct hci_cp_setup_sync_conn *cp;
1850 struct hci_conn *acl, *sco;
1851 __u16 handle;
1852
9f1db00c 1853 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1854
1855 if (!status)
1856 return;
1857
1858 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1859 if (!cp)
1860 return;
1861
1862 handle = __le16_to_cpu(cp->handle);
1863
9f1db00c 1864 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1865
1866 hci_dev_lock(hdev);
1867
1868 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1869 if (acl) {
1870 sco = acl->link;
1871 if (sco) {
1872 sco->state = BT_CLOSED;
b6a0dc82 1873
539c496d 1874 hci_connect_cfm(sco, status);
5a08ecce
AE		 1875 hci_conn_del(sco);
1876 }
b6a0dc82
MH		 1877 }
1878
1879 hci_dev_unlock(hdev);
1da177e4
LT		 1880}
1881
a9de9248 1882static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1883{
a9de9248
MH		 1884 struct hci_cp_sniff_mode *cp;
1885 struct hci_conn *conn;
1da177e4 1886
9f1db00c 1887 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1888
a9de9248
MH		 1889 if (!status)
1890 return;
04837f64 1891
a9de9248
MH		 1892 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1893 if (!cp)
1894 return;
04837f64 1895
a9de9248 1896 hci_dev_lock(hdev);
04837f64 1897
a9de9248 1898 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1899 if (conn) {
51a8efd7 1900 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1901
51a8efd7 1902 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1903 hci_sco_setup(conn, status);
1904 }
1905
a9de9248
MH		 1906 hci_dev_unlock(hdev);
1907}
04837f64 1908
a9de9248
MH		 1909static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1910{
1911 struct hci_cp_exit_sniff_mode *cp;
1912 struct hci_conn *conn;
04837f64 1913
9f1db00c 1914 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1915
a9de9248
MH		 1916 if (!status)
1917 return;
04837f64 1918
a9de9248
MH		 1919 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1920 if (!cp)
1921 return;
04837f64 1922
a9de9248 1923 hci_dev_lock(hdev);
1da177e4 1924
a9de9248 1925 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1926 if (conn) {
51a8efd7 1927 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1928
51a8efd7 1929 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1930 hci_sco_setup(conn, status);
1931 }
1932
a9de9248 1933 hci_dev_unlock(hdev);
1da177e4
LT		 1934}
1935
88c3df13
JH		 1936static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1937{
1938 struct hci_cp_disconnect *cp;
1939 struct hci_conn *conn;
1940
1941 if (!status)
1942 return;
1943
1944 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1945 if (!cp)
1946 return;
1947
1948 hci_dev_lock(hdev);
1949
1950 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1951 if (conn)
1952 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1953 conn->dst_type, status);
88c3df13
JH		 1954
1955 hci_dev_unlock(hdev);
1956}
1957
a02226d6
AE		 1958static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1959{
93c284ee
AE		 1960 struct hci_cp_create_phy_link *cp;
1961
a02226d6 1962 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1963
93c284ee
AE		 1964 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1965 if (!cp)
1966 return;
1967
e58917b9
AE		 1968 hci_dev_lock(hdev);
1969
1970 if (status) {
1971 struct hci_conn *hcon;
1972
1973 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1974 if (hcon)
1975 hci_conn_del(hcon);
1976 } else {
1977 amp_write_remote_assoc(hdev, cp->phy_handle);
1978 }
1979
1980 hci_dev_unlock(hdev);
a02226d6
AE		 1981}
1982
0b26ab9d
AE		 1983static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1984{
1985 struct hci_cp_accept_phy_link *cp;
1986
1987 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1988
1989 if (status)
1990 return;
1991
1992 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1993 if (!cp)
1994 return;
1995
1996 amp_write_remote_assoc(hdev, cp->phy_handle);
1997}
1998
cb1d68f7
JH		 1999static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
2000{
2001 struct hci_cp_le_create_conn *cp;
2002 struct hci_conn *conn;
2003
2004 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2005
2006 /* All connection failure handling is taken care of by the
2007 * hci_le_conn_failed function which is triggered by the HCI
2008 * request completion callbacks used for connecting.
2009 */
2010 if (status)
2011 return;
2012
2013 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
2014 if (!cp)
2015 return;
2016
2017 hci_dev_lock(hdev);
2018
2019 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
2020 if (!conn)
2021 goto unlock;
2022
2023 /* Store the initiator and responder address information which
2024 * is needed for SMP. These values will not change during the
2025 * lifetime of the connection.
2026 */
2027 conn->init_addr_type = cp->own_address_type;
2028 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
2029 bacpy(&conn->init_addr, &hdev->random_addr);
2030 else
2031 bacpy(&conn->init_addr, &hdev->bdaddr);
2032
2033 conn->resp_addr_type = cp->peer_addr_type;
2034 bacpy(&conn->resp_addr, &cp->peer_addr);
2035
9489eca4
JH		 2036 /* We don't want the connection attempt to stick around
2037 * indefinitely since LE doesn't have a page timeout concept
2038 * like BR/EDR. Set a timer for any connection that doesn't use
2039 * the white list for connecting.
2040 */
2041 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
2042 queue_delayed_work(conn->hdev->workqueue,
2043 &conn->le_conn_timeout,
09ae260b 2044 conn->conn_timeout);
9489eca4 2045
cb1d68f7
JH		 2046unlock:
2047 hci_dev_unlock(hdev);
2048}
2049
81d0c8ad
JH		 2050static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
2051{
2052 struct hci_cp_le_start_enc *cp;
2053 struct hci_conn *conn;
2054
2055 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2056
2057 if (!status)
2058 return;
2059
2060 hci_dev_lock(hdev);
2061
2062 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
2063 if (!cp)
2064 goto unlock;
2065
2066 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
2067 if (!conn)
2068 goto unlock;
2069
2070 if (conn->state != BT_CONNECTED)
2071 goto unlock;
2072
2073 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2074 hci_conn_drop(conn);
2075
2076unlock:
2077 hci_dev_unlock(hdev);
2078}
2079
50fc85f1
KP		 2080static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
2081{
2082 struct hci_cp_switch_role *cp;
2083 struct hci_conn *conn;
2084
2085 BT_DBG("%s status 0x%2.2x", hdev->name, status);
2086
2087 if (!status)
2088 return;
2089
2090 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
2091 if (!cp)
2092 return;
2093
2094 hci_dev_lock(hdev);
2095
2096 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
2097 if (conn)
2098 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
2099
2100 hci_dev_unlock(hdev);
2101}
2102
6039aa73 2103static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 2104{
2105 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 2106 struct discovery_state *discov = &hdev->discovery;
2107 struct inquiry_entry *e;
1da177e4 2108
9f1db00c 2109 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 2110
a9de9248 2111 hci_conn_check_pending(hdev);
89352e7d
AG		 2112
2113 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
2114 return;
2115
4e857c58 2116 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 2117 wake_up_bit(&hdev->flags, HCI_INQUIRY);
2118
d7a5a11d 2119 if (!hci_dev_test_flag(hdev, HCI_MGMT))
30dc78e1
JH		 2120 return;
2121
56e5cb86 2122 hci_dev_lock(hdev);
30dc78e1 2123
343f935b 2124 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 2125 goto unlock;
2126
2127 if (list_empty(&discov->resolve)) {
07d2334a
JP		 2128 /* When BR/EDR inquiry is active and no LE scanning is in
2129 * progress, then change discovery state to indicate completion.
2130 *
2131 * When running LE scanning and BR/EDR inquiry simultaneously
2132 * and the LE scan already finished, then change the discovery
2133 * state to indicate completion.
2134 */
2135 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||
2136 !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
2137 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
30dc78e1
JH		 2138 goto unlock;
2139 }
2140
2141 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2142 if (e && hci_resolve_name(hdev, e) == 0) {
2143 e->name_state = NAME_PENDING;
2144 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2145 } else {
07d2334a
JP		 2146 /* When BR/EDR inquiry is active and no LE scanning is in
2147 * progress, then change discovery state to indicate completion.
2148 *
2149 * When running LE scanning and BR/EDR inquiry simultaneously
2150 * and the LE scan already finished, then change the discovery
2151 * state to indicate completion.
2152 */
2153 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN) ||
2154 !test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
2155 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
30dc78e1
JH		 2156 }
2157
2158unlock:
56e5cb86 2159 hci_dev_unlock(hdev);
1da177e4
LT		 2160}
2161
6039aa73 2162static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2163{
45bb4bf0 2164 struct inquiry_data data;
a9de9248 2165 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 2166 int num_rsp = *((__u8 *) skb->data);
2167
2168 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2169
45bb4bf0
MH		 2170 if (!num_rsp)
2171 return;
2172
d7a5a11d 2173 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
1519cc17
AG		 2174 return;
2175
1da177e4 2176 hci_dev_lock(hdev);
45bb4bf0 2177
e17acd40 2178 for (; num_rsp; num_rsp--, info++) {
af58925c 2179 u32 flags;
3175405b 2180
1da177e4
LT		 2181 bacpy(&data.bdaddr, &info->bdaddr);
2182 data.pscan_rep_mode = info->pscan_rep_mode;
2183 data.pscan_period_mode = info->pscan_period_mode;
2184 data.pscan_mode = info->pscan_mode;
2185 memcpy(data.dev_class, info->dev_class, 3);
2186 data.clock_offset = info->clock_offset;
efb2513f 2187 data.rssi = HCI_RSSI_INVALID;
41a96212 2188 data.ssp_mode = 0x00;
3175405b 2189
af58925c
MH		 2190 flags = hci_inquiry_cache_update(hdev, &data, false);
2191
48264f06 2192 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
efb2513f
MH		 2193 info->dev_class, HCI_RSSI_INVALID,
2194 flags, NULL, 0, NULL, 0);
1da177e4 2195 }
45bb4bf0 2196
1da177e4
LT		 2197 hci_dev_unlock(hdev);
2198}
2199
6039aa73 2200static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2201{
a9de9248
MH		 2202 struct hci_ev_conn_complete *ev = (void *) skb->data;
2203 struct hci_conn *conn;
1da177e4
LT		 2204
2205 BT_DBG("%s", hdev->name);
2206
2207 hci_dev_lock(hdev);
2208
2209 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2210 if (!conn) {
2211 if (ev->link_type != SCO_LINK)
2212 goto unlock;
2213
2214 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2215 if (!conn)
2216 goto unlock;
2217
2218 conn->type = SCO_LINK;
2219 }
1da177e4
LT		 2220
2221 if (!ev->status) {
2222 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2223
2224 if (conn->type == ACL_LINK) {
2225 conn->state = BT_CONFIG;
2226 hci_conn_hold(conn);
a9ea3ed9
SJ		 2227
2228 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2229 !hci_find_link_key(hdev, &ev->bdaddr))
2230 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2231 else
2232 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2233 } else
2234 conn->state = BT_CONNECTED;
1da177e4 2235
23b9ceb7 2236 hci_debugfs_create_conn(conn);
7d0db0a3
MH		 2237 hci_conn_add_sysfs(conn);
2238
1da177e4 2239 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2240 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2241
2242 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2243 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2244
04837f64
MH		 2245 /* Get remote features */
2246 if (conn->type == ACL_LINK) {
2247 struct hci_cp_read_remote_features cp;
2248 cp.handle = ev->handle;
769be974 2249 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2250 sizeof(cp), &cp);
22f433dc 2251
1d2dc5b7 2252 hci_update_page_scan(hdev);
04837f64
MH		 2253 }
2254
1da177e4 2255 /* Set packet type for incoming connection */
d095c1eb 2256 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2257 struct hci_cp_change_conn_ptype cp;
2258 cp.handle = ev->handle;
a8746417 2259 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2260 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2261 &cp);
1da177e4 2262 }
17d5c04c 2263 } else {
1da177e4 2264 conn->state = BT_CLOSED;
17d5c04c 2265 if (conn->type == ACL_LINK)
64c7b77c 2266 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2267 conn->dst_type, ev->status);
17d5c04c 2268 }
1da177e4 2269
e73439d8
MH		 2270 if (conn->type == ACL_LINK)
2271 hci_sco_setup(conn, ev->status);
1da177e4 2272
769be974 2273 if (ev->status) {
539c496d 2274 hci_connect_cfm(conn, ev->status);
1da177e4 2275 hci_conn_del(conn);
c89b6e6b 2276 } else if (ev->link_type != ACL_LINK)
539c496d 2277 hci_connect_cfm(conn, ev->status);
1da177e4 2278
a9de9248 2279unlock:
1da177e4 2280 hci_dev_unlock(hdev);
1da177e4 2281
a9de9248 2282 hci_conn_check_pending(hdev);
1da177e4
LT		 2283}
2284
70c46425
JH		 2285static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2286{
2287 struct hci_cp_reject_conn_req cp;
2288
2289 bacpy(&cp.bdaddr, bdaddr);
2290 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2291 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2292}
2293
6039aa73 2294static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2295{
a9de9248
MH		 2296 struct hci_ev_conn_request *ev = (void *) skb->data;
2297 int mask = hdev->link_mode;
70c46425
JH		 2298 struct inquiry_entry *ie;
2299 struct hci_conn *conn;
20714bfe 2300 __u8 flags = 0;
1da177e4 2301
6ed93dc6 2302 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2303 ev->link_type);
1da177e4 2304
20714bfe
FD		 2305 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2306 &flags);
1da177e4 2307
70c46425
JH		 2308 if (!(mask & HCI_LM_ACCEPT)) {
2309 hci_reject_conn(hdev, &ev->bdaddr);
2310 return;
2311 }
2312
46c4c941
JH		 2313 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2314 BDADDR_BREDR)) {
2315 hci_reject_conn(hdev, &ev->bdaddr);
2316 return;
2317 }
2318
6a8fc95c
JH		 2319 /* Require HCI_CONNECTABLE or a whitelist entry to accept the
2320 * connection. These features are only touched through mgmt so
2321 * only do the checks if HCI_MGMT is set.
2322 */
d7a5a11d
MH		 2323 if (hci_dev_test_flag(hdev, HCI_MGMT) &&
2324 !hci_dev_test_flag(hdev, HCI_CONNECTABLE) &&
46c4c941
JH		 2325 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2326 BDADDR_BREDR)) {
2327 hci_reject_conn(hdev, &ev->bdaddr);
2328 return;
70c46425 2329 }
1da177e4 2330
70c46425 2331 /* Connection accepted */
b6a0dc82 2332
70c46425
JH		 2333 hci_dev_lock(hdev);
2334
2335 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2336 if (ie)
2337 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2338
70c46425
JH		 2339 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2340 &ev->bdaddr);
2341 if (!conn) {
a5c4e309
JH		 2342 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2343 HCI_ROLE_SLAVE);
a9de9248 2344 if (!conn) {
70c46425
JH		 2345 BT_ERR("No memory for new connection");
2346 hci_dev_unlock(hdev);
2347 return;
1da177e4 2348 }
70c46425 2349 }
b6a0dc82 2350
70c46425 2351 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2352
70c46425 2353 hci_dev_unlock(hdev);
1da177e4 2354
70c46425
JH		 2355 if (ev->link_type == ACL_LINK ||
2356 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2357 struct hci_cp_accept_conn_req cp;
2358 conn->state = BT_CONNECT;
1da177e4 2359
70c46425 2360 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2361
70c46425
JH		 2362 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2363 cp.role = 0x00; /* Become master */
2364 else
2365 cp.role = 0x01; /* Remain slave */
b6a0dc82 2366
70c46425
JH		 2367 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2368 } else if (!(flags & HCI_PROTO_DEFER)) {
2369 struct hci_cp_accept_sync_conn_req cp;
2370 conn->state = BT_CONNECT;
b6a0dc82 2371
70c46425
JH		 2372 bacpy(&cp.bdaddr, &ev->bdaddr);
2373 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2374
70c46425
JH		 2375 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2376 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2377 cp.max_latency = cpu_to_le16(0xffff);
2378 cp.content_format = cpu_to_le16(hdev->voice_setting);
2379 cp.retrans_effort = 0xff;
1da177e4 2380
70c46425
JH		 2381 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2382 &cp);
a9de9248 2383 } else {
70c46425 2384 conn->state = BT_CONNECT2;
539c496d 2385 hci_connect_cfm(conn, 0);
1da177e4 2386 }
1da177e4
LT		 2387}
2388
f0d6a0ea
MA		 2389static u8 hci_to_mgmt_reason(u8 err)
2390{
2391 switch (err) {
2392 case HCI_ERROR_CONNECTION_TIMEOUT:
2393 return MGMT_DEV_DISCONN_TIMEOUT;
2394 case HCI_ERROR_REMOTE_USER_TERM:
2395 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2396 case HCI_ERROR_REMOTE_POWER_OFF:
2397 return MGMT_DEV_DISCONN_REMOTE;
2398 case HCI_ERROR_LOCAL_HOST_TERM:
2399 return MGMT_DEV_DISCONN_LOCAL_HOST;
2400 default:
2401 return MGMT_DEV_DISCONN_UNKNOWN;
2402 }
2403}
2404
6039aa73 2405static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2406{
a9de9248 2407 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2408 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2409 struct hci_conn_params *params;
04837f64 2410 struct hci_conn *conn;
12d4a3b2 2411 bool mgmt_connected;
3846220b 2412 u8 type;
04837f64 2413
9f1db00c 2414 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2415
2416 hci_dev_lock(hdev);
2417
2418 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2419 if (!conn)
2420 goto unlock;
7d0db0a3 2421
abf54a50
AG		 2422 if (ev->status) {
2423 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2424 conn->dst_type, ev->status);
2425 goto unlock;
37d9ef76 2426 }
f7520543 2427
3846220b
AG		 2428 conn->state = BT_CLOSED;
2429
12d4a3b2
JH		 2430 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2431 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2432 reason, mgmt_connected);
abf54a50 2433
22f433dc
JH		 2434 if (conn->type == ACL_LINK) {
2435 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2436 hci_remove_link_key(hdev, &conn->dst);
2437
1d2dc5b7 2438 hci_update_page_scan(hdev);
22f433dc 2439 }
2210246c 2440
9fcb18ef
AG		 2441 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2442 if (params) {
2443 switch (params->auto_connect) {
2444 case HCI_AUTO_CONN_LINK_LOSS:
2445 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2446 break;
2447 /* Fall through */
2448
4b9e7e75 2449 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2450 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2451 list_del_init(&params->action);
2452 list_add(&params->action, &hdev->pend_le_conns);
2453 hci_update_background_scan(hdev);
9fcb18ef
AG		 2454 break;
2455
2456 default:
2457 break;
2458 }
2459 }
2460
3846220b 2461 type = conn->type;
2210246c 2462
3a6d576b 2463 hci_disconn_cfm(conn, ev->reason);
3846220b
AG		 2464 hci_conn_del(conn);
2465
2466 /* Re-enable advertising if necessary, since it might
2467 * have been disabled by the connection. From the
2468 * HCI_LE_Set_Advertise_Enable command description in
2469 * the core specification (v4.0):
2470 * "The Controller shall continue advertising until the Host
2471 * issues an LE_Set_Advertise_Enable command with
2472 * Advertising_Enable set to 0x00 (Advertising is disabled)
2473 * or until a connection is created or until the Advertising
2474 * is timed out due to Directed Advertising."
2475 */
2476 if (type == LE_LINK)
2477 mgmt_reenable_advertising(hdev);
f7520543
JH		 2478
2479unlock:
04837f64
MH		 2480 hci_dev_unlock(hdev);
2481}
2482
6039aa73 2483static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2484{
a9de9248 2485 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2486 struct hci_conn *conn;
1da177e4 2487
9f1db00c 2488 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2489
2490 hci_dev_lock(hdev);
2491
04837f64 2492 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2493 if (!conn)
2494 goto unlock;
2495
2496 if (!ev->status) {
aa64a8b5 2497 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2498 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2499 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2500 } else {
4dae2798 2501 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2502 conn->sec_level = conn->pending_sec_level;
2a611692 2503 }
d7556e20 2504 } else {
e1e930f5 2505 mgmt_auth_failed(conn, ev->status);
d7556e20 2506 }
1da177e4 2507
51a8efd7
JH		 2508 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2509 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2510
d7556e20 2511 if (conn->state == BT_CONFIG) {
aa64a8b5 2512 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2513 struct hci_cp_set_conn_encrypt cp;
2514 cp.handle = ev->handle;
2515 cp.encrypt = 0x01;
2516 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2517 &cp);
052b30b0 2518 } else {
d7556e20 2519 conn->state = BT_CONNECTED;
539c496d 2520 hci_connect_cfm(conn, ev->status);
76a68ba0 2521 hci_conn_drop(conn);
052b30b0 2522 }
d7556e20
WR		 2523 } else {
2524 hci_auth_cfm(conn, ev->status);
052b30b0 2525
d7556e20
WR		 2526 hci_conn_hold(conn);
2527 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2528 hci_conn_drop(conn);
d7556e20
WR		 2529 }
2530
51a8efd7 2531 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2532 if (!ev->status) {
2533 struct hci_cp_set_conn_encrypt cp;
2534 cp.handle = ev->handle;
2535 cp.encrypt = 0x01;
2536 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2537 &cp);
d7556e20 2538 } else {
51a8efd7 2539 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2540 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2541 }
2542 }
2543
d7556e20 2544unlock:
1da177e4
LT		 2545 hci_dev_unlock(hdev);
2546}
2547
6039aa73 2548static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2549{
127178d2
JH		 2550 struct hci_ev_remote_name *ev = (void *) skb->data;
2551 struct hci_conn *conn;
2552
a9de9248 2553 BT_DBG("%s", hdev->name);
1da177e4 2554
a9de9248 2555 hci_conn_check_pending(hdev);
127178d2
JH		 2556
2557 hci_dev_lock(hdev);
2558
b644ba33 2559 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2560
d7a5a11d 2561 if (!hci_dev_test_flag(hdev, HCI_MGMT))
b644ba33 2562 goto check_auth;
a88a9652 2563
b644ba33
JH		 2564 if (ev->status == 0)
2565 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2566 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2567 else
2568 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2569
2570check_auth:
79c6c70c
JH		 2571 if (!conn)
2572 goto unlock;
2573
2574 if (!hci_outgoing_auth_needed(hdev, conn))
2575 goto unlock;
2576
51a8efd7 2577 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2578 struct hci_cp_auth_requested cp;
977f8fce
JH		 2579
2580 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2581
127178d2
JH		 2582 cp.handle = __cpu_to_le16(conn->handle);
2583 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2584 }
2585
79c6c70c 2586unlock:
127178d2 2587 hci_dev_unlock(hdev);
a9de9248
MH		 2588}
2589
6039aa73 2590static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2591{
2592 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2593 struct hci_conn *conn;
2594
9f1db00c 2595 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2596
2597 hci_dev_lock(hdev);
2598
04837f64 2599 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2600 if (!conn)
2601 goto unlock;
1da177e4 2602
dc8357cc
MH		 2603 if (!ev->status) {
2604 if (ev->encrypt) {
2605 /* Encryption implies authentication */
4dae2798
JH		 2606 set_bit(HCI_CONN_AUTH, &conn->flags);
2607 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2608 conn->sec_level = conn->pending_sec_level;
abf76bad 2609
914a6ffe
MH		 2610 /* P-256 authentication key implies FIPS */
2611 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2612 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2613
abf76bad
MH		 2614 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2615 conn->type == LE_LINK)
2616 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2617 } else {
4dae2798 2618 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2619 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2620 }
dc8357cc 2621 }
a7d7723a 2622
7ed3fa20
JH		 2623 /* We should disregard the current RPA and generate a new one
2624 * whenever the encryption procedure fails.
2625 */
2626 if (ev->status && conn->type == LE_LINK)
a1536da2 2627 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
7ed3fa20 2628
dc8357cc 2629 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2630
dc8357cc
MH		 2631 if (ev->status && conn->state == BT_CONNECTED) {
2632 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2633 hci_conn_drop(conn);
2634 goto unlock;
1da177e4
LT		 2635 }
2636
dc8357cc
MH		 2637 if (conn->state == BT_CONFIG) {
2638 if (!ev->status)
2639 conn->state = BT_CONNECTED;
2640
40b552aa
MH		 2641 /* In Secure Connections Only mode, do not allow any
2642 * connections that are not encrypted with AES-CCM
2643 * using a P-256 authenticated combination key.
2644 */
d7a5a11d 2645 if (hci_dev_test_flag(hdev, HCI_SC_ONLY) &&
40b552aa
MH		 2646 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2647 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
539c496d 2648 hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
40b552aa
MH		 2649 hci_conn_drop(conn);
2650 goto unlock;
2651 }
2652
539c496d 2653 hci_connect_cfm(conn, ev->status);
dc8357cc
MH		 2654 hci_conn_drop(conn);
2655 } else
2656 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2657
a7d7723a 2658unlock:
1da177e4
LT		 2659 hci_dev_unlock(hdev);
2660}
2661
6039aa73
GP		 2662static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2663 struct sk_buff *skb)
1da177e4 2664{
a9de9248 2665 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2666 struct hci_conn *conn;
1da177e4 2667
9f1db00c 2668 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2669
2670 hci_dev_lock(hdev);
2671
04837f64 2672 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2673 if (conn) {
2674 if (!ev->status)
4dae2798 2675 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2676
51a8efd7 2677 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2678
2679 hci_key_change_cfm(conn, ev->status);
2680 }
2681
2682 hci_dev_unlock(hdev);
2683}
2684
6039aa73
GP		 2685static void hci_remote_features_evt(struct hci_dev *hdev,
2686 struct sk_buff *skb)
1da177e4 2687{
a9de9248
MH		 2688 struct hci_ev_remote_features *ev = (void *) skb->data;
2689 struct hci_conn *conn;
2690
9f1db00c 2691 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2692
a9de9248
MH		 2693 hci_dev_lock(hdev);
2694
2695 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2696 if (!conn)
2697 goto unlock;
769be974 2698
ccd556fe 2699 if (!ev->status)
cad718ed 2700 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2701
2702 if (conn->state != BT_CONFIG)
2703 goto unlock;
2704
ac363cf9
SJ		 2705 if (!ev->status && lmp_ext_feat_capable(hdev) &&
2706 lmp_ext_feat_capable(conn)) {
ccd556fe
JH		 2707 struct hci_cp_read_remote_ext_features cp;
2708 cp.handle = ev->handle;
2709 cp.page = 0x01;
2710 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2711 sizeof(cp), &cp);
392599b9
JH		 2712 goto unlock;
2713 }
2714
671267bf 2715 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2716 struct hci_cp_remote_name_req cp;
2717 memset(&cp, 0, sizeof(cp));
2718 bacpy(&cp.bdaddr, &conn->dst);
2719 cp.pscan_rep_mode = 0x02;
2720 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2721 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2722 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2723
127178d2 2724 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe 2725 conn->state = BT_CONNECTED;
539c496d 2726 hci_connect_cfm(conn, ev->status);
76a68ba0 2727 hci_conn_drop(conn);
769be974 2728 }
a9de9248 2729
ccd556fe 2730unlock:
a9de9248 2731 hci_dev_unlock(hdev);
1da177e4
LT		 2732}
2733
6039aa73 2734static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2735{
2736 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2737 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2738 __u16 opcode;
2739
2740 skb_pull(skb, sizeof(*ev));
2741
2742 opcode = __le16_to_cpu(ev->opcode);
2743
2744 switch (opcode) {
2745 case HCI_OP_INQUIRY_CANCEL:
2746 hci_cc_inquiry_cancel(hdev, skb);
2747 break;
2748
4d93483b
AG		 2749 case HCI_OP_PERIODIC_INQ:
2750 hci_cc_periodic_inq(hdev, skb);
2751 break;
2752
a9de9248
MH		 2753 case HCI_OP_EXIT_PERIODIC_INQ:
2754 hci_cc_exit_periodic_inq(hdev, skb);
2755 break;
2756
2757 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2758 hci_cc_remote_name_req_cancel(hdev, skb);
2759 break;
2760
2761 case HCI_OP_ROLE_DISCOVERY:
2762 hci_cc_role_discovery(hdev, skb);
2763 break;
2764
e4e8e37c
MH		 2765 case HCI_OP_READ_LINK_POLICY:
2766 hci_cc_read_link_policy(hdev, skb);
2767 break;
2768
a9de9248
MH		 2769 case HCI_OP_WRITE_LINK_POLICY:
2770 hci_cc_write_link_policy(hdev, skb);
2771 break;
2772
e4e8e37c
MH		 2773 case HCI_OP_READ_DEF_LINK_POLICY:
2774 hci_cc_read_def_link_policy(hdev, skb);
2775 break;
2776
2777 case HCI_OP_WRITE_DEF_LINK_POLICY:
2778 hci_cc_write_def_link_policy(hdev, skb);
2779 break;
2780
a9de9248
MH		 2781 case HCI_OP_RESET:
2782 hci_cc_reset(hdev, skb);
2783 break;
2784
c2f0f979
MH		 2785 case HCI_OP_READ_STORED_LINK_KEY:
2786 hci_cc_read_stored_link_key(hdev, skb);
2787 break;
2788
a9366120
MH		 2789 case HCI_OP_DELETE_STORED_LINK_KEY:
2790 hci_cc_delete_stored_link_key(hdev, skb);
2791 break;
2792
a9de9248
MH		 2793 case HCI_OP_WRITE_LOCAL_NAME:
2794 hci_cc_write_local_name(hdev, skb);
2795 break;
2796
2797 case HCI_OP_READ_LOCAL_NAME:
2798 hci_cc_read_local_name(hdev, skb);
2799 break;
2800
2801 case HCI_OP_WRITE_AUTH_ENABLE:
2802 hci_cc_write_auth_enable(hdev, skb);
2803 break;
2804
2805 case HCI_OP_WRITE_ENCRYPT_MODE:
2806 hci_cc_write_encrypt_mode(hdev, skb);
2807 break;
2808
2809 case HCI_OP_WRITE_SCAN_ENABLE:
2810 hci_cc_write_scan_enable(hdev, skb);
2811 break;
2812
2813 case HCI_OP_READ_CLASS_OF_DEV:
2814 hci_cc_read_class_of_dev(hdev, skb);
2815 break;
2816
2817 case HCI_OP_WRITE_CLASS_OF_DEV:
2818 hci_cc_write_class_of_dev(hdev, skb);
2819 break;
2820
2821 case HCI_OP_READ_VOICE_SETTING:
2822 hci_cc_read_voice_setting(hdev, skb);
2823 break;
2824
2825 case HCI_OP_WRITE_VOICE_SETTING:
2826 hci_cc_write_voice_setting(hdev, skb);
2827 break;
2828
b4cb9fb2
MH		 2829 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2830 hci_cc_read_num_supported_iac(hdev, skb);
2831 break;
2832
333140b5
MH		 2833 case HCI_OP_WRITE_SSP_MODE:
2834 hci_cc_write_ssp_mode(hdev, skb);
2835 break;
2836
eac83dc6
MH		 2837 case HCI_OP_WRITE_SC_SUPPORT:
2838 hci_cc_write_sc_support(hdev, skb);
2839 break;
2840
a9de9248
MH		 2841 case HCI_OP_READ_LOCAL_VERSION:
2842 hci_cc_read_local_version(hdev, skb);
2843 break;
2844
2845 case HCI_OP_READ_LOCAL_COMMANDS:
2846 hci_cc_read_local_commands(hdev, skb);
2847 break;
2848
2849 case HCI_OP_READ_LOCAL_FEATURES:
2850 hci_cc_read_local_features(hdev, skb);
2851 break;
2852
971e3a4b
AG		 2853 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2854 hci_cc_read_local_ext_features(hdev, skb);
2855 break;
2856
a9de9248
MH		 2857 case HCI_OP_READ_BUFFER_SIZE:
2858 hci_cc_read_buffer_size(hdev, skb);
2859 break;
2860
2861 case HCI_OP_READ_BD_ADDR:
2862 hci_cc_read_bd_addr(hdev, skb);
2863 break;
2864
f332ec66
JH		 2865 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2866 hci_cc_read_page_scan_activity(hdev, skb);
2867 break;
2868
4a3ee763
JH		 2869 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2870 hci_cc_write_page_scan_activity(hdev, skb);
2871 break;
2872
f332ec66
JH		 2873 case HCI_OP_READ_PAGE_SCAN_TYPE:
2874 hci_cc_read_page_scan_type(hdev, skb);
2875 break;
2876
4a3ee763
JH		 2877 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2878 hci_cc_write_page_scan_type(hdev, skb);
2879 break;
2880
350ee4cf
AE		 2881 case HCI_OP_READ_DATA_BLOCK_SIZE:
2882 hci_cc_read_data_block_size(hdev, skb);
2883 break;
2884
1e89cffb
AE		 2885 case HCI_OP_READ_FLOW_CONTROL_MODE:
2886 hci_cc_read_flow_control_mode(hdev, skb);
2887 break;
2888
928abaa7
AE		 2889 case HCI_OP_READ_LOCAL_AMP_INFO:
2890 hci_cc_read_local_amp_info(hdev, skb);
2891 break;
2892
33f35721
JH		 2893 case HCI_OP_READ_CLOCK:
2894 hci_cc_read_clock(hdev, skb);
2895 break;
2896
903e4541
AE		 2897 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2898 hci_cc_read_local_amp_assoc(hdev, skb);
2899 break;
2900
d5859e22
JH		 2901 case HCI_OP_READ_INQ_RSP_TX_POWER:
2902 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2903 break;
2904
980e1a53
JH		 2905 case HCI_OP_PIN_CODE_REPLY:
2906 hci_cc_pin_code_reply(hdev, skb);
2907 break;
2908
2909 case HCI_OP_PIN_CODE_NEG_REPLY:
2910 hci_cc_pin_code_neg_reply(hdev, skb);
2911 break;
2912
c35938b2 2913 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2914 hci_cc_read_local_oob_data(hdev, skb);
2915 break;
2916
2917 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2918 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2919 break;
2920
6ed58ec5
VT		 2921 case HCI_OP_LE_READ_BUFFER_SIZE:
2922 hci_cc_le_read_buffer_size(hdev, skb);
2923 break;
2924
60e77321
JH		 2925 case HCI_OP_LE_READ_LOCAL_FEATURES:
2926 hci_cc_le_read_local_features(hdev, skb);
2927 break;
2928
8fa19098
JH		 2929 case HCI_OP_LE_READ_ADV_TX_POWER:
2930 hci_cc_le_read_adv_tx_power(hdev, skb);
2931 break;
2932
a5c29683
JH		 2933 case HCI_OP_USER_CONFIRM_REPLY:
2934 hci_cc_user_confirm_reply(hdev, skb);
2935 break;
2936
2937 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2938 hci_cc_user_confirm_neg_reply(hdev, skb);
2939 break;
2940
1143d458
BG		 2941 case HCI_OP_USER_PASSKEY_REPLY:
2942 hci_cc_user_passkey_reply(hdev, skb);
2943 break;
2944
2945 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2946 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2947 break;
07f7fa5d 2948
7a4cd51d
MH		 2949 case HCI_OP_LE_SET_RANDOM_ADDR:
2950 hci_cc_le_set_random_addr(hdev, skb);
2951 break;
2952
c1d5dc4a
JH		 2953 case HCI_OP_LE_SET_ADV_ENABLE:
2954 hci_cc_le_set_adv_enable(hdev, skb);
2955 break;
2956
533553f8
MH		 2957 case HCI_OP_LE_SET_SCAN_PARAM:
2958 hci_cc_le_set_scan_param(hdev, skb);
2959 break;
2960
eb9d91f5
AG		 2961 case HCI_OP_LE_SET_SCAN_ENABLE:
2962 hci_cc_le_set_scan_enable(hdev, skb);
2963 break;
2964
cf1d081f
JH		 2965 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2966 hci_cc_le_read_white_list_size(hdev, skb);
2967 break;
2968
0f36b589
MH		 2969 case HCI_OP_LE_CLEAR_WHITE_LIST:
2970 hci_cc_le_clear_white_list(hdev, skb);
2971 break;
2972
2973 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2974 hci_cc_le_add_to_white_list(hdev, skb);
2975 break;
2976
2977 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2978 hci_cc_le_del_from_white_list(hdev, skb);
2979 break;
2980
9b008c04
JH		 2981 case HCI_OP_LE_READ_SUPPORTED_STATES:
2982 hci_cc_le_read_supported_states(hdev, skb);
2983 break;
2984
a8e1bfaa
MH		 2985 case HCI_OP_LE_READ_DEF_DATA_LEN:
2986 hci_cc_le_read_def_data_len(hdev, skb);
2987 break;
2988
2989 case HCI_OP_LE_WRITE_DEF_DATA_LEN:
2990 hci_cc_le_write_def_data_len(hdev, skb);
2991 break;
2992
2993 case HCI_OP_LE_READ_MAX_DATA_LEN:
2994 hci_cc_le_read_max_data_len(hdev, skb);
2995 break;
2996
f9b49306
AG		 2997 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2998 hci_cc_write_le_host_supported(hdev, skb);
2999 break;
3000
56ed2cb8
JH		 3001 case HCI_OP_LE_SET_ADV_PARAM:
3002 hci_cc_set_adv_param(hdev, skb);
3003 break;
3004
93c284ee
AE		 3005 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
3006 hci_cc_write_remote_amp_assoc(hdev, skb);
3007 break;
3008
5ae76a94
AK		 3009 case HCI_OP_READ_RSSI:
3010 hci_cc_read_rssi(hdev, skb);
3011 break;
3012
5a134fae
AK		 3013 case HCI_OP_READ_TX_POWER:
3014 hci_cc_read_tx_power(hdev, skb);
3015 break;
3016
c50b33c8
MH		 3017 case HCI_OP_WRITE_SSP_DEBUG_MODE:
3018 hci_cc_write_ssp_debug_mode(hdev, skb);
3019 break;
3020
a9de9248 3021 default:
9f1db00c 3022 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 3023 break;
3024 }
3025
ad82cdd1 3026 if (opcode != HCI_OP_NOP)
65cc2b49 3027 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3028
600b2150
JH		 3029 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags))
3030 atomic_set(&hdev->cmd_cnt, 1);
3031
ad82cdd1 3032 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 3033
600b2150
JH		 3034 if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
3035 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3036}
3037
6039aa73 3038static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3039{
3040 struct hci_ev_cmd_status *ev = (void *) skb->data;
3041 __u16 opcode;
3042
3043 skb_pull(skb, sizeof(*ev));
3044
3045 opcode = __le16_to_cpu(ev->opcode);
3046
3047 switch (opcode) {
3048 case HCI_OP_INQUIRY:
3049 hci_cs_inquiry(hdev, ev->status);
3050 break;
3051
3052 case HCI_OP_CREATE_CONN:
3053 hci_cs_create_conn(hdev, ev->status);
3054 break;
3055
9645c76c
KP		 3056 case HCI_OP_DISCONNECT:
3057 hci_cs_disconnect(hdev, ev->status);
3058 break;
3059
a9de9248
MH		 3060 case HCI_OP_ADD_SCO:
3061 hci_cs_add_sco(hdev, ev->status);
3062 break;
3063
f8558555
MH		 3064 case HCI_OP_AUTH_REQUESTED:
3065 hci_cs_auth_requested(hdev, ev->status);
3066 break;
3067
3068 case HCI_OP_SET_CONN_ENCRYPT:
3069 hci_cs_set_conn_encrypt(hdev, ev->status);
3070 break;
3071
a9de9248
MH		 3072 case HCI_OP_REMOTE_NAME_REQ:
3073 hci_cs_remote_name_req(hdev, ev->status);
3074 break;
3075
769be974
MH		 3076 case HCI_OP_READ_REMOTE_FEATURES:
3077 hci_cs_read_remote_features(hdev, ev->status);
3078 break;
3079
3080 case HCI_OP_READ_REMOTE_EXT_FEATURES:
3081 hci_cs_read_remote_ext_features(hdev, ev->status);
3082 break;
3083
a9de9248
MH		 3084 case HCI_OP_SETUP_SYNC_CONN:
3085 hci_cs_setup_sync_conn(hdev, ev->status);
3086 break;
3087
9645c76c
KP		 3088 case HCI_OP_CREATE_PHY_LINK:
3089 hci_cs_create_phylink(hdev, ev->status);
3090 break;
3091
3092 case HCI_OP_ACCEPT_PHY_LINK:
3093 hci_cs_accept_phylink(hdev, ev->status);
3094 break;
3095
a9de9248
MH		 3096 case HCI_OP_SNIFF_MODE:
3097 hci_cs_sniff_mode(hdev, ev->status);
3098 break;
3099
3100 case HCI_OP_EXIT_SNIFF_MODE:
3101 hci_cs_exit_sniff_mode(hdev, ev->status);
3102 break;
3103
50fc85f1
KP		 3104 case HCI_OP_SWITCH_ROLE:
3105 hci_cs_switch_role(hdev, ev->status);
3106 break;
3107
cb1d68f7
JH		 3108 case HCI_OP_LE_CREATE_CONN:
3109 hci_cs_le_create_conn(hdev, ev->status);
3110 break;
3111
81d0c8ad
JH		 3112 case HCI_OP_LE_START_ENC:
3113 hci_cs_le_start_enc(hdev, ev->status);
3114 break;
3115
a9de9248 3116 default:
9f1db00c 3117 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 3118 break;
3119 }
3120
ad82cdd1 3121 if (opcode != HCI_OP_NOP)
65cc2b49 3122 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 3123
600b2150
JH		 3124 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags))
3125 atomic_set(&hdev->cmd_cnt, 1);
3126
02350a72 3127 if (ev->status ||
db6e3e8d 3128 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
02350a72 3129 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 3130
600b2150
JH		 3131 if (atomic_read(&hdev->cmd_cnt) && !skb_queue_empty(&hdev->cmd_q))
3132 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 3133}
3134
24dfa343
MH		 3135static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
3136{
3137 struct hci_ev_hardware_error *ev = (void *) skb->data;
3138
c7741d16
MH		 3139 hdev->hw_error_code = ev->code;
3140
3141 queue_work(hdev->req_workqueue, &hdev->error_reset);
24dfa343
MH		 3142}
3143
6039aa73 3144static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3145{
3146 struct hci_ev_role_change *ev = (void *) skb->data;
3147 struct hci_conn *conn;
3148
9f1db00c 3149 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 3150
3151 hci_dev_lock(hdev);
3152
3153 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3154 if (conn) {
40bef302
JH		 3155 if (!ev->status)
3156 conn->role = ev->role;
a9de9248 3157
51a8efd7 3158 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 3159
3160 hci_role_switch_cfm(conn, ev->status, ev->role);
3161 }
3162
3163 hci_dev_unlock(hdev);
3164}
3165
6039aa73 3166static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 3167{
3168 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 3169 int i;
3170
32ac5b9b
AE		 3171 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
3172 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3173 return;
3174 }
3175
c5993de8 3176 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3177 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 3178 BT_DBG("%s bad parameters", hdev->name);
3179 return;
3180 }
3181
c5993de8
AE		 3182 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3183
613a1c0c
AE		 3184 for (i = 0; i < ev->num_hndl; i++) {
3185 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3186 struct hci_conn *conn;
3187 __u16 handle, count;
3188
613a1c0c
AE		 3189 handle = __le16_to_cpu(info->handle);
3190 count = __le16_to_cpu(info->count);
a9de9248
MH		 3191
3192 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3193 if (!conn)
3194 continue;
3195
3196 conn->sent -= count;
3197
3198 switch (conn->type) {
3199 case ACL_LINK:
3200 hdev->acl_cnt += count;
3201 if (hdev->acl_cnt > hdev->acl_pkts)
3202 hdev->acl_cnt = hdev->acl_pkts;
3203 break;
3204
3205 case LE_LINK:
3206 if (hdev->le_pkts) {
3207 hdev->le_cnt += count;
3208 if (hdev->le_cnt > hdev->le_pkts)
3209 hdev->le_cnt = hdev->le_pkts;
3210 } else {
70f23020
AE		 3211 hdev->acl_cnt += count;
3212 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3213 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3214 }
f4280918
AE		 3215 break;
3216
3217 case SCO_LINK:
3218 hdev->sco_cnt += count;
3219 if (hdev->sco_cnt > hdev->sco_pkts)
3220 hdev->sco_cnt = hdev->sco_pkts;
3221 break;
3222
3223 default:
3224 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3225 break;
a9de9248
MH		 3226 }
3227 }
3228
3eff45ea 3229 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3230}
3231
76ef7cf7
AE		 3232static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3233 __u16 handle)
3234{
3235 struct hci_chan *chan;
3236
3237 switch (hdev->dev_type) {
3238 case HCI_BREDR:
3239 return hci_conn_hash_lookup_handle(hdev, handle);
3240 case HCI_AMP:
3241 chan = hci_chan_lookup_handle(hdev, handle);
3242 if (chan)
3243 return chan->conn;
3244 break;
3245 default:
3246 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3247 break;
3248 }
3249
3250 return NULL;
3251}
3252
6039aa73 3253static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3254{
3255 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3256 int i;
3257
3258 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3259 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3260 return;
3261 }
3262
3263 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3264 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3265 BT_DBG("%s bad parameters", hdev->name);
3266 return;
3267 }
3268
3269 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3270 ev->num_hndl);
25e89e99
AE		 3271
3272 for (i = 0; i < ev->num_hndl; i++) {
3273 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3274 struct hci_conn *conn = NULL;
25e89e99
AE		 3275 __u16 handle, block_count;
3276
3277 handle = __le16_to_cpu(info->handle);
3278 block_count = __le16_to_cpu(info->blocks);
3279
76ef7cf7 3280 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3281 if (!conn)
3282 continue;
3283
3284 conn->sent -= block_count;
3285
3286 switch (conn->type) {
3287 case ACL_LINK:
bd1eb66b 3288 case AMP_LINK:
25e89e99
AE		 3289 hdev->block_cnt += block_count;
3290 if (hdev->block_cnt > hdev->num_blocks)
3291 hdev->block_cnt = hdev->num_blocks;
3292 break;
3293
3294 default:
3295 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3296 break;
3297 }
3298 }
3299
3300 queue_work(hdev->workqueue, &hdev->tx_work);
3301}
3302
6039aa73 3303static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3304{
a9de9248 3305 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3306 struct hci_conn *conn;
3307
9f1db00c 3308 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3309
3310 hci_dev_lock(hdev);
3311
3312 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3313 if (conn) {
3314 conn->mode = ev->mode;
a9de9248 3315
8fc9ced3
GP		 3316 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3317 &conn->flags)) {
a9de9248 3318 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3319 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3320 else
58a681ef 3321 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3322 }
e73439d8 3323
51a8efd7 3324 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3325 hci_sco_setup(conn, ev->status);
04837f64
MH		 3326 }
3327
3328 hci_dev_unlock(hdev);
3329}
3330
6039aa73 3331static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3332{
052b30b0
MH		 3333 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3334 struct hci_conn *conn;
3335
a9de9248 3336 BT_DBG("%s", hdev->name);
052b30b0
MH		 3337
3338 hci_dev_lock(hdev);
3339
3340 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3341 if (!conn)
3342 goto unlock;
3343
3344 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3345 hci_conn_hold(conn);
3346 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3347 hci_conn_drop(conn);
052b30b0
MH		 3348 }
3349
d7a5a11d 3350 if (!hci_dev_test_flag(hdev, HCI_BONDABLE) &&
2f407f0a 3351 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3352 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3353 sizeof(ev->bdaddr), &ev->bdaddr);
d7a5a11d 3354 } else if (hci_dev_test_flag(hdev, HCI_MGMT)) {
a770bb5a
WR		 3355 u8 secure;
3356
3357 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3358 secure = 1;
3359 else
3360 secure = 0;
3361
744cf19e 3362 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3363 }
980e1a53 3364
b6f98044 3365unlock:
052b30b0 3366 hci_dev_unlock(hdev);
a9de9248
MH		 3367}
3368
cb6f3f7a
JH		 3369static void conn_set_key(struct hci_conn *conn, u8 key_type, u8 pin_len)
3370{
3371 if (key_type == HCI_LK_CHANGED_COMBINATION)
3372 return;
3373
3374 conn->pin_length = pin_len;
3375 conn->key_type = key_type;
3376
3377 switch (key_type) {
3378 case HCI_LK_LOCAL_UNIT:
3379 case HCI_LK_REMOTE_UNIT:
3380 case HCI_LK_DEBUG_COMBINATION:
3381 return;
3382 case HCI_LK_COMBINATION:
3383 if (pin_len == 16)
3384 conn->pending_sec_level = BT_SECURITY_HIGH;
3385 else
3386 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3387 break;
3388 case HCI_LK_UNAUTH_COMBINATION_P192:
3389 case HCI_LK_UNAUTH_COMBINATION_P256:
3390 conn->pending_sec_level = BT_SECURITY_MEDIUM;
3391 break;
3392 case HCI_LK_AUTH_COMBINATION_P192:
3393 conn->pending_sec_level = BT_SECURITY_HIGH;
3394 break;
3395 case HCI_LK_AUTH_COMBINATION_P256:
3396 conn->pending_sec_level = BT_SECURITY_FIPS;
3397 break;
3398 }
3399}
3400
6039aa73 3401static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3402{
55ed8ca1
JH		 3403 struct hci_ev_link_key_req *ev = (void *) skb->data;
3404 struct hci_cp_link_key_reply cp;
3405 struct hci_conn *conn;
3406 struct link_key *key;
3407
a9de9248 3408 BT_DBG("%s", hdev->name);
55ed8ca1 3409
d7a5a11d 3410 if (!hci_dev_test_flag(hdev, HCI_MGMT))
55ed8ca1
JH		 3411 return;
3412
3413 hci_dev_lock(hdev);
3414
3415 key = hci_find_link_key(hdev, &ev->bdaddr);
3416 if (!key) {
6ed93dc6
AE		 3417 BT_DBG("%s link key not found for %pMR", hdev->name,
3418 &ev->bdaddr);
55ed8ca1
JH		 3419 goto not_found;
3420 }
3421
6ed93dc6
AE		 3422 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3423 &ev->bdaddr);
55ed8ca1 3424
55ed8ca1 3425 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3426 if (conn) {
fe8bc5ac
JH		 3427 clear_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
3428
66138ce8
MH		 3429 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3430 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3431 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3432 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3433 goto not_found;
3434 }
55ed8ca1 3435
60b83f57 3436 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3437 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3438 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3439 BT_DBG("%s ignoring key unauthenticated for high security",
3440 hdev->name);
60b83f57
WR		 3441 goto not_found;
3442 }
3443
cb6f3f7a 3444 conn_set_key(conn, key->type, key->pin_len);
55ed8ca1
JH		 3445 }
3446
3447 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3448 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3449
3450 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3451
3452 hci_dev_unlock(hdev);
3453
3454 return;
3455
3456not_found:
3457 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3458 hci_dev_unlock(hdev);
a9de9248
MH		 3459}
3460
6039aa73 3461static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3462{
052b30b0
MH		 3463 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3464 struct hci_conn *conn;
7652ff6a
JH		 3465 struct link_key *key;
3466 bool persistent;
55ed8ca1 3467 u8 pin_len = 0;
052b30b0 3468
a9de9248 3469 BT_DBG("%s", hdev->name);
052b30b0
MH		 3470
3471 hci_dev_lock(hdev);
3472
3473 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
82c13d42
JH		 3474 if (!conn)
3475 goto unlock;
3476
3477 hci_conn_hold(conn);
3478 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3479 hci_conn_drop(conn);
3480
fe8bc5ac 3481 set_bit(HCI_CONN_NEW_LINK_KEY, &conn->flags);
82c13d42 3482 conn_set_key(conn, ev->key_type, conn->pin_length);
052b30b0 3483
d7a5a11d 3484 if (!hci_dev_test_flag(hdev, HCI_MGMT))
7652ff6a
JH		 3485 goto unlock;
3486
3487 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3488 ev->key_type, pin_len, &persistent);
3489 if (!key)
3490 goto unlock;
3491
cb6f3f7a
JH		 3492 /* Update connection information since adding the key will have
3493 * fixed up the type in the case of changed combination keys.
3494 */
3495 if (ev->key_type == HCI_LK_CHANGED_COMBINATION)
3496 conn_set_key(conn, key->type, key->pin_len);
3497
7652ff6a 3498 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3499
6d5650c4
JH		 3500 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3501 * is set. If it's not set simply remove the key from the kernel
3502 * list (we've still notified user space about it but with
3503 * store_hint being 0).
3504 */
3505 if (key->type == HCI_LK_DEBUG_COMBINATION &&
d7a5a11d 3506 !hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS)) {
0378b597
JH		 3507 list_del_rcu(&key->list);
3508 kfree_rcu(key, rcu);
82c13d42 3509 goto unlock;
6d5650c4 3510 }
7652ff6a 3511
82c13d42
JH		 3512 if (persistent)
3513 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3514 else
3515 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3516
7652ff6a 3517unlock:
052b30b0 3518 hci_dev_unlock(hdev);
a9de9248
MH		 3519}
3520
6039aa73 3521static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3522{
a9de9248 3523 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3524 struct hci_conn *conn;
1da177e4 3525
9f1db00c 3526 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3527
3528 hci_dev_lock(hdev);
3529
04837f64 3530 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3531 if (conn && !ev->status) {
3532 struct inquiry_entry *ie;
3533
cc11b9c1
AE		 3534 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3535 if (ie) {
1da177e4
LT		 3536 ie->data.clock_offset = ev->clock_offset;
3537 ie->timestamp = jiffies;
3538 }
3539 }
3540
3541 hci_dev_unlock(hdev);
3542}
3543
6039aa73 3544static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3545{
3546 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3547 struct hci_conn *conn;
3548
9f1db00c 3549 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3550
3551 hci_dev_lock(hdev);
3552
3553 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3554 if (conn && !ev->status)
3555 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3556
3557 hci_dev_unlock(hdev);
3558}
3559
6039aa73 3560static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3561{
a9de9248 3562 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3563 struct inquiry_entry *ie;
3564
3565 BT_DBG("%s", hdev->name);
3566
3567 hci_dev_lock(hdev);
3568
cc11b9c1
AE		 3569 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3570 if (ie) {
85a1e930
MH		 3571 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3572 ie->timestamp = jiffies;
3573 }
3574
3575 hci_dev_unlock(hdev);
3576}
3577
6039aa73
GP		 3578static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3579 struct sk_buff *skb)
a9de9248
MH		 3580{
3581 struct inquiry_data data;
3582 int num_rsp = *((__u8 *) skb->data);
3583
3584 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3585
3586 if (!num_rsp)
3587 return;
3588
d7a5a11d 3589 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
1519cc17
AG		 3590 return;
3591
a9de9248
MH		 3592 hci_dev_lock(hdev);
3593
3594 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3595 struct inquiry_info_with_rssi_and_pscan_mode *info;
3596 info = (void *) (skb->data + 1);
a9de9248 3597
e17acd40 3598 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3599 u32 flags;
3600
a9de9248
MH		 3601 bacpy(&data.bdaddr, &info->bdaddr);
3602 data.pscan_rep_mode = info->pscan_rep_mode;
3603 data.pscan_period_mode = info->pscan_period_mode;
3604 data.pscan_mode = info->pscan_mode;
3605 memcpy(data.dev_class, info->dev_class, 3);
3606 data.clock_offset = info->clock_offset;
3607 data.rssi = info->rssi;
41a96212 3608 data.ssp_mode = 0x00;
3175405b 3609
af58925c
MH		 3610 flags = hci_inquiry_cache_update(hdev, &data, false);
3611
48264f06 3612 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3613 info->dev_class, info->rssi,
af58925c 3614 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3615 }
3616 } else {
3617 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3618
e17acd40 3619 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3620 u32 flags;
3621
a9de9248
MH		 3622 bacpy(&data.bdaddr, &info->bdaddr);
3623 data.pscan_rep_mode = info->pscan_rep_mode;
3624 data.pscan_period_mode = info->pscan_period_mode;
3625 data.pscan_mode = 0x00;
3626 memcpy(data.dev_class, info->dev_class, 3);
3627 data.clock_offset = info->clock_offset;
3628 data.rssi = info->rssi;
41a96212 3629 data.ssp_mode = 0x00;
af58925c
MH		 3630
3631 flags = hci_inquiry_cache_update(hdev, &data, false);
3632
48264f06 3633 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3634 info->dev_class, info->rssi,
af58925c 3635 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3636 }
3637 }
3638
3639 hci_dev_unlock(hdev);
3640}
3641
6039aa73
GP		 3642static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3643 struct sk_buff *skb)
a9de9248 3644{
41a96212
MH		 3645 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3646 struct hci_conn *conn;
3647
a9de9248 3648 BT_DBG("%s", hdev->name);
41a96212 3649
41a96212
MH		 3650 hci_dev_lock(hdev);
3651
3652 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3653 if (!conn)
3654 goto unlock;
41a96212 3655
cad718ed
JH		 3656 if (ev->page < HCI_MAX_PAGES)
3657 memcpy(conn->features[ev->page], ev->features, 8);
3658
ccd556fe
JH		 3659 if (!ev->status && ev->page == 0x01) {
3660 struct inquiry_entry *ie;
41a96212 3661
cc11b9c1
AE		 3662 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3663 if (ie)
02b7cc62 3664 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3665
bbb0eada 3666 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3667 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3668 } else {
3669 /* It is mandatory by the Bluetooth specification that
3670 * Extended Inquiry Results are only used when Secure
3671 * Simple Pairing is enabled, but some devices violate
3672 * this.
3673 *
3674 * To make these devices work, the internal SSP
3675 * enabled flag needs to be cleared if the remote host
3676 * features do not indicate SSP support */
3677 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3678 }
eb9a8f3f
MH		 3679
3680 if (ev->features[0] & LMP_HOST_SC)
3681 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3682 }
3683
3684 if (conn->state != BT_CONFIG)
3685 goto unlock;
3686
671267bf 3687 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3688 struct hci_cp_remote_name_req cp;
3689 memset(&cp, 0, sizeof(cp));
3690 bacpy(&cp.bdaddr, &conn->dst);
3691 cp.pscan_rep_mode = 0x02;
3692 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3693 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3694 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3695
127178d2 3696 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe 3697 conn->state = BT_CONNECTED;
539c496d 3698 hci_connect_cfm(conn, ev->status);
76a68ba0 3699 hci_conn_drop(conn);
41a96212
MH		 3700 }
3701
ccd556fe 3702unlock:
41a96212 3703 hci_dev_unlock(hdev);
a9de9248
MH		 3704}
3705
6039aa73
GP		 3706static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3707 struct sk_buff *skb)
a9de9248 3708{
b6a0dc82
MH		 3709 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3710 struct hci_conn *conn;
3711
9f1db00c 3712 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3713
3714 hci_dev_lock(hdev);
3715
3716 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3717 if (!conn) {
3718 if (ev->link_type == ESCO_LINK)
3719 goto unlock;
3720
3721 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3722 if (!conn)
3723 goto unlock;
3724
3725 conn->type = SCO_LINK;
3726 }
b6a0dc82 3727
732547f9
MH		 3728 switch (ev->status) {
3729 case 0x00:
b6a0dc82
MH		 3730 conn->handle = __le16_to_cpu(ev->handle);
3731 conn->state = BT_CONNECTED;
7d0db0a3 3732
23b9ceb7 3733 hci_debugfs_create_conn(conn);
7d0db0a3 3734 hci_conn_add_sysfs(conn);
732547f9
MH		 3735 break;
3736
81218d20 3737 case 0x10: /* Connection Accept Timeout */
1a4c958c 3738 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3739 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3740 case 0x1c: /* SCO interval rejected */
1038a00b 3741 case 0x1a: /* Unsupported Remote Feature */
732547f9 3742 case 0x1f: /* Unspecified error */
27539bc4 3743 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3744 if (conn->out) {
732547f9
MH		 3745 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3746 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3747 if (hci_setup_sync(conn, conn->link->handle))
3748 goto unlock;
732547f9
MH		 3749 }
3750 /* fall through */
3751
3752 default:
b6a0dc82 3753 conn->state = BT_CLOSED;
732547f9
MH		 3754 break;
3755 }
b6a0dc82 3756
539c496d 3757 hci_connect_cfm(conn, ev->status);
b6a0dc82
MH		 3758 if (ev->status)
3759 hci_conn_del(conn);
3760
3761unlock:
3762 hci_dev_unlock(hdev);
a9de9248
MH		 3763}
3764
efdcf8e3
MH		 3765static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3766{
3767 size_t parsed = 0;
3768
3769 while (parsed < eir_len) {
3770 u8 field_len = eir[0];
3771
3772 if (field_len == 0)
3773 return parsed;
3774
3775 parsed += field_len + 1;
3776 eir += field_len + 1;
3777 }
3778
3779 return eir_len;
3780}
3781
6039aa73
GP		 3782static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3783 struct sk_buff *skb)
1da177e4 3784{
a9de9248
MH		 3785 struct inquiry_data data;
3786 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3787 int num_rsp = *((__u8 *) skb->data);
9d939d94 3788 size_t eir_len;
1da177e4 3789
a9de9248 3790 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3791
a9de9248
MH		 3792 if (!num_rsp)
3793 return;
1da177e4 3794
d7a5a11d 3795 if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
1519cc17
AG		 3796 return;
3797
a9de9248
MH		 3798 hci_dev_lock(hdev);
3799
e17acd40 3800 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3801 u32 flags;
3802 bool name_known;
561aafbc 3803
a9de9248 3804 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3805 data.pscan_rep_mode = info->pscan_rep_mode;
3806 data.pscan_period_mode = info->pscan_period_mode;
3807 data.pscan_mode = 0x00;
a9de9248 3808 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3809 data.clock_offset = info->clock_offset;
3810 data.rssi = info->rssi;
41a96212 3811 data.ssp_mode = 0x01;
561aafbc 3812
d7a5a11d 3813 if (hci_dev_test_flag(hdev, HCI_MGMT))
4ddb1930 3814 name_known = eir_has_data_type(info->data,
04124681
GP		 3815 sizeof(info->data),
3816 EIR_NAME_COMPLETE);
561aafbc
JH		 3817 else
3818 name_known = true;
3819
af58925c
MH		 3820 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3821
9d939d94 3822 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3823
48264f06 3824 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3825 info->dev_class, info->rssi,
3826 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3827 }
3828
3829 hci_dev_unlock(hdev);
3830}
1da177e4 3831
1c2e0041
JH		 3832static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3833 struct sk_buff *skb)
3834{
3835 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3836 struct hci_conn *conn;
3837
9f1db00c 3838 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3839 __le16_to_cpu(ev->handle));
3840
3841 hci_dev_lock(hdev);
3842
3843 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3844 if (!conn)
3845 goto unlock;
3846
9eb1fbfa
JH		 3847 /* For BR/EDR the necessary steps are taken through the
3848 * auth_complete event.
3849 */
3850 if (conn->type != LE_LINK)
3851 goto unlock;
3852
1c2e0041
JH		 3853 if (!ev->status)
3854 conn->sec_level = conn->pending_sec_level;
3855
3856 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3857
3858 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3859 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3860 hci_conn_drop(conn);
1c2e0041
JH		 3861 goto unlock;
3862 }
3863
3864 if (conn->state == BT_CONFIG) {
3865 if (!ev->status)
3866 conn->state = BT_CONNECTED;
3867
539c496d 3868 hci_connect_cfm(conn, ev->status);
76a68ba0 3869 hci_conn_drop(conn);
1c2e0041
JH		 3870 } else {
3871 hci_auth_cfm(conn, ev->status);
3872
3873 hci_conn_hold(conn);
3874 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3875 hci_conn_drop(conn);
1c2e0041
JH		 3876 }
3877
3878unlock:
3879 hci_dev_unlock(hdev);
3880}
3881
6039aa73 3882static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3883{
17fa4b9d 3884 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3885 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3886 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3887 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3888
b7f94c88
MA		 3889 /* If both remote and local have enough IO capabilities, require
3890 * MITM protection
3891 */
3892 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3893 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3894 return conn->remote_auth | 0x01;
3895
7e74170a
TM		 3896 /* No MITM protection possible so ignore remote requirement */
3897 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3898}
3899
a83ed81e
MH		 3900static u8 bredr_oob_data_present(struct hci_conn *conn)
3901{
3902 struct hci_dev *hdev = conn->hdev;
3903 struct oob_data *data;
3904
3905 data = hci_find_remote_oob_data(hdev, &conn->dst, BDADDR_BREDR);
3906 if (!data)
3907 return 0x00;
3908
455c2ff0
MH		 3909 if (bredr_sc_enabled(hdev)) {
3910 /* When Secure Connections is enabled, then just
3911 * return the present value stored with the OOB
3912 * data. The stored value contains the right present
3913 * information. However it can only be trusted when
3914 * not in Secure Connection Only mode.
3915 */
3916 if (!hci_dev_test_flag(hdev, HCI_SC_ONLY))
3917 return data->present;
659c7fb0 3918
455c2ff0
MH		 3919 /* When Secure Connections Only mode is enabled, then
3920 * the P-256 values are required. If they are not
3921 * available, then do not declare that OOB data is
3922 * present.
659c7fb0 3923 */
455c2ff0
MH		 3924 if (!memcmp(data->rand256, ZERO_KEY, 16) ||
3925 !memcmp(data->hash256, ZERO_KEY, 16))
659c7fb0
MH		 3926 return 0x00;
3927
455c2ff0 3928 return 0x02;
659c7fb0 3929 }
a83ed81e 3930
455c2ff0
MH		 3931 /* When Secure Connections is not enabled or actually
3932 * not supported by the hardware, then check that if
3933 * P-192 data values are present.
3934 */
3935 if (!memcmp(data->rand192, ZERO_KEY, 16) ||
3936 !memcmp(data->hash192, ZERO_KEY, 16))
3937 return 0x00;
3938
3939 return 0x01;
a83ed81e
MH		 3940}
3941
6039aa73 3942static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3943{
3944 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3945 struct hci_conn *conn;
3946
3947 BT_DBG("%s", hdev->name);
3948
3949 hci_dev_lock(hdev);
3950
3951 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3952 if (!conn)
3953 goto unlock;
3954
3955 hci_conn_hold(conn);
3956
d7a5a11d 3957 if (!hci_dev_test_flag(hdev, HCI_MGMT))
03b555e1
JH		 3958 goto unlock;
3959
2f407f0a
JH		 3960 /* Allow pairing if we're pairable, the initiators of the
3961 * pairing or if the remote is not requesting bonding.
3962 */
d7a5a11d 3963 if (hci_dev_test_flag(hdev, HCI_BONDABLE) ||
2f407f0a 3964 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3965 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3966 struct hci_cp_io_capability_reply cp;
3967
3968 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3969 /* Change the IO capability from KeyboardDisplay
3970 * to DisplayYesNo as it is not supported by BT spec. */
3971 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3972 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3973
3974 /* If we are initiators, there is no remote information yet */
3975 if (conn->remote_auth == 0xff) {
b16c6604 3976 /* Request MITM protection if our IO caps allow it
4ad51a75 3977 * except for the no-bonding case.
b16c6604 3978 */
6fd6b915 3979 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3980 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3981 conn->auth_type |= 0x01;
b7f94c88
MA		 3982 } else {
3983 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3984 }
17fa4b9d 3985
82c295b1
JH		 3986 /* If we're not bondable, force one of the non-bondable
3987 * authentication requirement values.
3988 */
d7a5a11d 3989 if (!hci_dev_test_flag(hdev, HCI_BONDABLE))
82c295b1
JH		 3990 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3991
3992 cp.authentication = conn->auth_type;
a83ed81e 3993 cp.oob_data = bredr_oob_data_present(conn);
ce85ee13 3994
17fa4b9d 3995 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3996 sizeof(cp), &cp);
03b555e1
JH		 3997 } else {
3998 struct hci_cp_io_capability_neg_reply cp;
3999
4000 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 4001 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 4002
03b555e1 4003 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 4004 sizeof(cp), &cp);
03b555e1
JH		 4005 }
4006
4007unlock:
4008 hci_dev_unlock(hdev);
4009}
4010
6039aa73 4011static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 4012{
4013 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
4014 struct hci_conn *conn;
4015
4016 BT_DBG("%s", hdev->name);
4017
4018 hci_dev_lock(hdev);
4019
4020 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4021 if (!conn)
4022 goto unlock;
4023
03b555e1 4024 conn->remote_cap = ev->capability;
03b555e1
JH		 4025 conn->remote_auth = ev->authentication;
4026
4027unlock:
0493684e
MH		 4028 hci_dev_unlock(hdev);
4029}
4030
6039aa73
GP		 4031static void hci_user_confirm_request_evt(struct hci_dev *hdev,
4032 struct sk_buff *skb)
a5c29683
JH		 4033{
4034 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 4035 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 4036 struct hci_conn *conn;
a5c29683
JH		 4037
4038 BT_DBG("%s", hdev->name);
4039
4040 hci_dev_lock(hdev);
4041
d7a5a11d 4042 if (!hci_dev_test_flag(hdev, HCI_MGMT))
7a828908 4043 goto unlock;
a5c29683 4044
7a828908
JH		 4045 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4046 if (!conn)
4047 goto unlock;
4048
4049 loc_mitm = (conn->auth_type & 0x01);
4050 rem_mitm = (conn->remote_auth & 0x01);
4051
4052 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 4053 * (it has NoInputNoOutput) then reject the confirmation
4054 * request. We check the security level here since it doesn't
4055 * necessarily match conn->auth_type.
6fd6b915 4056 */
6c53823a
JH		 4057 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
4058 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 4059 BT_DBG("Rejecting request: remote device can't provide MITM");
4060 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 4061 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4062 goto unlock;
4063 }
4064
4065 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 4066 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
4067 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 4068
4069 /* If we're not the initiators request authorization to
4070 * proceed from user space (mgmt_user_confirm with
ba15a58b 4071 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 4072 * side had MITM or if the local IO capability is
4073 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 4074 */
4075 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 4076 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 4077 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 4078 BT_DBG("Confirming auto-accept as acceptor");
4079 confirm_hint = 1;
4080 goto confirm;
4081 }
4082
9f61656a 4083 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 4084 hdev->auto_accept_delay);
9f61656a
JH		 4085
4086 if (hdev->auto_accept_delay > 0) {
4087 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 4088 queue_delayed_work(conn->hdev->workqueue,
4089 &conn->auto_accept_work, delay);
9f61656a
JH		 4090 goto unlock;
4091 }
4092
7a828908 4093 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 4094 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 4095 goto unlock;
4096 }
4097
55bc1a37 4098confirm:
39adbffe
JH		 4099 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
4100 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 4101
4102unlock:
a5c29683
JH		 4103 hci_dev_unlock(hdev);
4104}
4105
6039aa73
GP		 4106static void hci_user_passkey_request_evt(struct hci_dev *hdev,
4107 struct sk_buff *skb)
1143d458
BG		 4108{
4109 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
4110
4111 BT_DBG("%s", hdev->name);
4112
d7a5a11d 4113 if (hci_dev_test_flag(hdev, HCI_MGMT))
272d90df 4114 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 4115}
4116
92a25256
JH		 4117static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
4118 struct sk_buff *skb)
4119{
4120 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
4121 struct hci_conn *conn;
4122
4123 BT_DBG("%s", hdev->name);
4124
4125 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4126 if (!conn)
4127 return;
4128
4129 conn->passkey_notify = __le32_to_cpu(ev->passkey);
4130 conn->passkey_entered = 0;
4131
d7a5a11d 4132 if (hci_dev_test_flag(hdev, HCI_MGMT))
92a25256
JH		 4133 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4134 conn->dst_type, conn->passkey_notify,
4135 conn->passkey_entered);
4136}
4137
4138static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
4139{
4140 struct hci_ev_keypress_notify *ev = (void *) skb->data;
4141 struct hci_conn *conn;
4142
4143 BT_DBG("%s", hdev->name);
4144
4145 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4146 if (!conn)
4147 return;
4148
4149 switch (ev->type) {
4150 case HCI_KEYPRESS_STARTED:
4151 conn->passkey_entered = 0;
4152 return;
4153
4154 case HCI_KEYPRESS_ENTERED:
4155 conn->passkey_entered++;
4156 break;
4157
4158 case HCI_KEYPRESS_ERASED:
4159 conn->passkey_entered--;
4160 break;
4161
4162 case HCI_KEYPRESS_CLEARED:
4163 conn->passkey_entered = 0;
4164 break;
4165
4166 case HCI_KEYPRESS_COMPLETED:
4167 return;
4168 }
4169
d7a5a11d 4170 if (hci_dev_test_flag(hdev, HCI_MGMT))
92a25256
JH		 4171 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
4172 conn->dst_type, conn->passkey_notify,
4173 conn->passkey_entered);
4174}
4175
6039aa73
GP		 4176static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
4177 struct sk_buff *skb)
0493684e
MH		 4178{
4179 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
4180 struct hci_conn *conn;
4181
4182 BT_DBG("%s", hdev->name);
4183
4184 hci_dev_lock(hdev);
4185
4186 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 4187 if (!conn)
4188 goto unlock;
4189
c1d4fa7a
JH		 4190 /* Reset the authentication requirement to unknown */
4191 conn->remote_auth = 0xff;
4192
2a611692
JH		 4193 /* To avoid duplicate auth_failed events to user space we check
4194 * the HCI_CONN_AUTH_PEND flag which will be set if we
4195 * initiated the authentication. A traditional auth_complete
4196 * event gets always produced as initiator and is also mapped to
4197 * the mgmt_auth_failed event */
fa1bd918 4198 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 4199 mgmt_auth_failed(conn, ev->status);
0493684e 4200
76a68ba0 4201 hci_conn_drop(conn);
2a611692
JH		 4202
4203unlock:
0493684e
MH		 4204 hci_dev_unlock(hdev);
4205}
4206
6039aa73
GP		 4207static void hci_remote_host_features_evt(struct hci_dev *hdev,
4208 struct sk_buff *skb)
41a96212
MH		 4209{
4210 struct hci_ev_remote_host_features *ev = (void *) skb->data;
4211 struct inquiry_entry *ie;
cad718ed 4212 struct hci_conn *conn;
41a96212
MH		 4213
4214 BT_DBG("%s", hdev->name);
4215
4216 hci_dev_lock(hdev);
4217
cad718ed
JH		 4218 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
4219 if (conn)
4220 memcpy(conn->features[1], ev->features, 8);
4221
cc11b9c1
AE		 4222 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
4223 if (ie)
02b7cc62 4224 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 4225
4226 hci_dev_unlock(hdev);
4227}
4228
6039aa73
GP		 4229static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
4230 struct sk_buff *skb)
2763eda6
SJ		 4231{
4232 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
4233 struct oob_data *data;
4234
4235 BT_DBG("%s", hdev->name);
4236
4237 hci_dev_lock(hdev);
4238
d7a5a11d 4239 if (!hci_dev_test_flag(hdev, HCI_MGMT))
e1ba1f15
SJ		 4240 goto unlock;
4241
6928a924 4242 data = hci_find_remote_oob_data(hdev, &ev->bdaddr, BDADDR_BREDR);
6665d057
MH		 4243 if (!data) {
4244 struct hci_cp_remote_oob_data_neg_reply cp;
519ca9d0 4245
6665d057
MH		 4246 bacpy(&cp.bdaddr, &ev->bdaddr);
4247 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4248 sizeof(cp), &cp);
4249 goto unlock;
4250 }
2763eda6 4251
6665d057
MH		 4252 if (bredr_sc_enabled(hdev)) {
4253 struct hci_cp_remote_oob_ext_data_reply cp;
519ca9d0 4254
6665d057 4255 bacpy(&cp.bdaddr, &ev->bdaddr);
d7a5a11d 4256 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6665d057
MH		 4257 memset(cp.hash192, 0, sizeof(cp.hash192));
4258 memset(cp.rand192, 0, sizeof(cp.rand192));
4259 } else {
4260 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
4261 memcpy(cp.rand192, data->rand192, sizeof(cp.rand192));
519ca9d0 4262 }
6665d057
MH		 4263 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
4264 memcpy(cp.rand256, data->rand256, sizeof(cp.rand256));
4265
4266 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4267 sizeof(cp), &cp);
2763eda6 4268 } else {
6665d057 4269 struct hci_cp_remote_oob_data_reply cp;
2763eda6
SJ		 4270
4271 bacpy(&cp.bdaddr, &ev->bdaddr);
6665d057
MH		 4272 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4273 memcpy(cp.rand, data->rand192, sizeof(cp.rand));
4274
4275 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
519ca9d0 4276 sizeof(cp), &cp);
2763eda6
SJ		 4277 }
4278
e1ba1f15 4279unlock:
2763eda6
SJ		 4280 hci_dev_unlock(hdev);
4281}
4282
d5e91192
AE		 4283static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4284 struct sk_buff *skb)
4285{
4286 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4287 struct hci_conn *hcon, *bredr_hcon;
4288
4289 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4290 ev->status);
4291
4292 hci_dev_lock(hdev);
4293
4294 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4295 if (!hcon) {
4296 hci_dev_unlock(hdev);
4297 return;
4298 }
4299
4300 if (ev->status) {
4301 hci_conn_del(hcon);
4302 hci_dev_unlock(hdev);
4303 return;
4304 }
4305
4306 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4307
4308 hcon->state = BT_CONNECTED;
4309 bacpy(&hcon->dst, &bredr_hcon->dst);
4310
4311 hci_conn_hold(hcon);
4312 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4313 hci_conn_drop(hcon);
d5e91192 4314
23b9ceb7 4315 hci_debugfs_create_conn(hcon);
d5e91192
AE		 4316 hci_conn_add_sysfs(hcon);
4317
cf70ff22 4318 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4319
cf70ff22 4320 hci_dev_unlock(hdev);
d5e91192
AE		 4321}
4322
27695fb4
AE		 4323static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4324{
4325 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4326 struct hci_conn *hcon;
4327 struct hci_chan *hchan;
4328 struct amp_mgr *mgr;
4329
4330 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4331 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4332 ev->status);
4333
4334 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4335 if (!hcon)
4336 return;
4337
4338 /* Create AMP hchan */
4339 hchan = hci_chan_create(hcon);
4340 if (!hchan)
4341 return;
4342
4343 hchan->handle = le16_to_cpu(ev->handle);
4344
4345 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4346
4347 mgr = hcon->amp_mgr;
4348 if (mgr && mgr->bredr_chan) {
4349 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4350
4351 l2cap_chan_lock(bredr_chan);
4352
4353 bredr_chan->conn->mtu = hdev->block_mtu;
4354 l2cap_logical_cfm(bredr_chan, hchan, 0);
4355 hci_conn_hold(hcon);
4356
4357 l2cap_chan_unlock(bredr_chan);
4358 }
4359}
4360
606e2a10
AE		 4361static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4362 struct sk_buff *skb)
4363{
4364 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4365 struct hci_chan *hchan;
4366
4367 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4368 le16_to_cpu(ev->handle), ev->status);
4369
4370 if (ev->status)
4371 return;
4372
4373 hci_dev_lock(hdev);
4374
4375 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4376 if (!hchan)
4377 goto unlock;
4378
4379 amp_destroy_logical_link(hchan, ev->reason);
4380
4381unlock:
4382 hci_dev_unlock(hdev);
4383}
4384
9eef6b3a
AE		 4385static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4386 struct sk_buff *skb)
4387{
4388 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4389 struct hci_conn *hcon;
4390
4391 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4392
4393 if (ev->status)
4394 return;
4395
4396 hci_dev_lock(hdev);
4397
4398 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4399 if (hcon) {
4400 hcon->state = BT_CLOSED;
4401 hci_conn_del(hcon);
4402 }
4403
4404 hci_dev_unlock(hdev);
4405}
4406
6039aa73 4407static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4408{
4409 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4410 struct hci_conn_params *params;
fcd89c09 4411 struct hci_conn *conn;
68d6f6de 4412 struct smp_irk *irk;
837d502e 4413 u8 addr_type;
fcd89c09 4414
9f1db00c 4415 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4416
4417 hci_dev_lock(hdev);
4418
fbd96c15
JH		 4419 /* All controllers implicitly stop advertising in the event of a
4420 * connection, so ensure that the state bit is cleared.
4421 */
a358dc11 4422 hci_dev_clear_flag(hdev, HCI_LE_ADV);
fbd96c15 4423
b47a09b3 4424 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4425 if (!conn) {
a5c4e309 4426 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4427 if (!conn) {
4428 BT_ERR("No memory for new connection");
230fd16a 4429 goto unlock;
b62f328b 4430 }
29b7988a
AG		 4431
4432 conn->dst_type = ev->bdaddr_type;
b9b343d2 4433
cb1d68f7
JH		 4434 /* If we didn't have a hci_conn object previously
4435 * but we're in master role this must be something
4436 * initiated using a white list. Since white list based
4437 * connections are not "first class citizens" we don't
4438 * have full tracking of them. Therefore, we go ahead
4439 * with a "best effort" approach of determining the
4440 * initiator address based on the HCI_PRIVACY flag.
4441 */
4442 if (conn->out) {
4443 conn->resp_addr_type = ev->bdaddr_type;
4444 bacpy(&conn->resp_addr, &ev->bdaddr);
d7a5a11d 4445 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
cb1d68f7
JH		 4446 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4447 bacpy(&conn->init_addr, &hdev->rpa);
4448 } else {
4449 hci_copy_identity_address(hdev,
4450 &conn->init_addr,
4451 &conn->init_addr_type);
4452 }
cb1d68f7 4453 }
9489eca4
JH		 4454 } else {
4455 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4456 }
fcd89c09 4457
80c24ab8
JH		 4458 if (!conn->out) {
4459 /* Set the responder (our side) address type based on
4460 * the advertising address type.
4461 */
4462 conn->resp_addr_type = hdev->adv_addr_type;
4463 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4464 bacpy(&conn->resp_addr, &hdev->random_addr);
4465 else
4466 bacpy(&conn->resp_addr, &hdev->bdaddr);
4467
4468 conn->init_addr_type = ev->bdaddr_type;
4469 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4470
4471 /* For incoming connections, set the default minimum
4472 * and maximum connection interval. They will be used
4473 * to check if the parameters are in range and if not
4474 * trigger the connection update procedure.
4475 */
4476 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4477 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4478 }
7be2edbb 4479
edb4b466
MH		 4480 /* Lookup the identity address from the stored connection
4481 * address and address type.
4482 *
4483 * When establishing connections to an identity address, the
4484 * connection procedure will store the resolvable random
4485 * address first. Now if it can be converted back into the
4486 * identity address, start using the identity address from
4487 * now on.
4488 */
4489 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4490 if (irk) {
4491 bacpy(&conn->dst, &irk->bdaddr);
4492 conn->dst_type = irk->addr_type;
4493 }
4494
2d3c2260
JH		 4495 if (ev->status) {
4496 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4497 goto unlock;
4498 }
4499
08853f18
JH		 4500 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4501 addr_type = BDADDR_LE_PUBLIC;
4502 else
4503 addr_type = BDADDR_LE_RANDOM;
4504
2d3c2260
JH		 4505 /* Drop the connection if the device is blocked */
4506 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4507 hci_conn_drop(conn);
cd17decb
AG		 4508 goto unlock;
4509 }
4510
b644ba33 4511 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4512 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4513
7b5c0d52 4514 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4515 conn->handle = __le16_to_cpu(ev->handle);
4516 conn->state = BT_CONNECTED;
4517
e04fde60
MH		 4518 conn->le_conn_interval = le16_to_cpu(ev->interval);
4519 conn->le_conn_latency = le16_to_cpu(ev->latency);
4520 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4521
23b9ceb7 4522 hci_debugfs_create_conn(conn);
fcd89c09
VT		 4523 hci_conn_add_sysfs(conn);
4524
539c496d 4525 hci_connect_cfm(conn, ev->status);
fcd89c09 4526
5477610f
JH		 4527 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4528 conn->dst_type);
f161dd41 4529 if (params) {
95305baa 4530 list_del_init(&params->action);
f161dd41
JH		 4531 if (params->conn) {
4532 hci_conn_drop(params->conn);
f8aaf9b6 4533 hci_conn_put(params->conn);
f161dd41
JH		 4534 params->conn = NULL;
4535 }
4536 }
a4790dbd 4537
fcd89c09 4538unlock:
223683a5 4539 hci_update_background_scan(hdev);
fcd89c09
VT		 4540 hci_dev_unlock(hdev);
4541}
4542
1855d92d
MH		 4543static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4544 struct sk_buff *skb)
4545{
4546 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4547 struct hci_conn *conn;
4548
4549 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4550
4551 if (ev->status)
4552 return;
4553
4554 hci_dev_lock(hdev);
4555
4556 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4557 if (conn) {
4558 conn->le_conn_interval = le16_to_cpu(ev->interval);
4559 conn->le_conn_latency = le16_to_cpu(ev->latency);
4560 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4561 }
4562
4563 hci_dev_unlock(hdev);
4564}
4565
a4790dbd 4566/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4567static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4568 bdaddr_t *addr,
4569 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4570{
4571 struct hci_conn *conn;
4b9e7e75 4572 struct hci_conn_params *params;
a4790dbd 4573
1c1abcab
JH		 4574 /* If the event is not connectable don't proceed further */
4575 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4576 return NULL;
1c1abcab
JH		 4577
4578 /* Ignore if the device is blocked */
dcc36c16 4579 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4580 return NULL;
1c1abcab 4581
f99353cf
JH		 4582 /* Most controller will fail if we try to create new connections
4583 * while we have an existing one in slave role.
4584 */
4585 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4586 return NULL;
f99353cf 4587
1c1abcab
JH		 4588 /* If we're not connectable only connect devices that we have in
4589 * our pend_le_conns list.
4590 */
4b9e7e75
MH		 4591 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4592 addr, addr_type);
4593 if (!params)
fd45ada9 4594 return NULL;
4b9e7e75
MH		 4595
4596 switch (params->auto_connect) {
4597 case HCI_AUTO_CONN_DIRECT:
4598 /* Only devices advertising with ADV_DIRECT_IND are
4599 * triggering a connection attempt. This is allowing
4600 * incoming connections from slave devices.
4601 */
4602 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4603 return NULL;
4b9e7e75
MH		 4604 break;
4605 case HCI_AUTO_CONN_ALWAYS:
4606 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4607 * are triggering a connection attempt. This means
4608 * that incoming connectioms from slave device are
4609 * accepted and also outgoing connections to slave
4610 * devices are established when found.
4611 */
4612 break;
4613 default:
fd45ada9 4614 return NULL;
4b9e7e75 4615 }
a4790dbd
AG		 4616
4617 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4618 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4619 if (!IS_ERR(conn)) {
4620 /* Store the pointer since we don't really have any
4621 * other owner of the object besides the params that
4622 * triggered it. This way we can abort the connection if
4623 * the parameters get removed and keep the reference
4624 * count consistent once the connection is established.
4625 */
f8aaf9b6 4626 params->conn = hci_conn_get(conn);
fd45ada9 4627 return conn;
f161dd41 4628 }
a4790dbd
AG		 4629
4630 switch (PTR_ERR(conn)) {
4631 case -EBUSY:
4632 /* If hci_connect() returns -EBUSY it means there is already
4633 * an LE connection attempt going on. Since controllers don't
4634 * support more than one connection attempt at the time, we
4635 * don't consider this an error case.
4636 */
4637 break;
4638 default:
4639 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4640 return NULL;
a4790dbd 4641 }
fd45ada9
AA		 4642
4643 return NULL;
a4790dbd
AG		 4644}
4645
4af605d8 4646static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
2f010b55
MH		 4647 u8 bdaddr_type, bdaddr_t *direct_addr,
4648 u8 direct_addr_type, s8 rssi, u8 *data, u8 len)
4af605d8 4649{
b9a6328f 4650 struct discovery_state *d = &hdev->discovery;
1c1abcab 4651 struct smp_irk *irk;
fd45ada9 4652 struct hci_conn *conn;
474ee066 4653 bool match;
c70a7e4c 4654 u32 flags;
b9a6328f 4655
2f010b55
MH		 4656 /* If the direct address is present, then this report is from
4657 * a LE Direct Advertising Report event. In that case it is
4658 * important to see if the address is matching the local
4659 * controller address.
4660 */
4661 if (direct_addr) {
4662 /* Only resolvable random addresses are valid for these
4663 * kind of reports and others can be ignored.
4664 */
4665 if (!hci_bdaddr_is_rpa(direct_addr, direct_addr_type))
4666 return;
4667
4668 /* If the controller is not using resolvable random
4669 * addresses, then this report can be ignored.
4670 */
d7a5a11d 4671 if (!hci_dev_test_flag(hdev, HCI_PRIVACY))
2f010b55
MH		 4672 return;
4673
4674 /* If the local IRK of the controller does not match
4675 * with the resolvable random address provided, then
4676 * this report can be ignored.
4677 */
4678 if (!smp_irk_matches(hdev, hdev->irk, direct_addr))
4679 return;
4680 }
4681
1c1abcab
JH		 4682 /* Check if we need to convert to identity address */
4683 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4684 if (irk) {
4685 bdaddr = &irk->bdaddr;
4686 bdaddr_type = irk->addr_type;
4687 }
4688
4689 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4690 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4691 if (conn && type == LE_ADV_IND) {
4692 /* Store report for later inclusion by
4693 * mgmt_device_connected
4694 */
4695 memcpy(conn->le_adv_data, data, len);
4696 conn->le_adv_data_len = len;
4697 }
1c1abcab 4698
0d2bf134
JH		 4699 /* Passive scanning shouldn't trigger any device found events,
4700 * except for devices marked as CONN_REPORT for which we do send
4701 * device found events.
4702 */
ca5c4be7 4703 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4704 if (type == LE_ADV_DIRECT_IND)
4705 return;
4706
3a19b6fe
JH		 4707 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4708 bdaddr, bdaddr_type))
0d2bf134
JH		 4709 return;
4710
4711 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4712 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4713 else
4714 flags = 0;
4715 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4716 rssi, flags, data, len, NULL, 0);
97bf2e99 4717 return;
ca5c4be7 4718 }
4af605d8 4719
c70a7e4c
MH		 4720 /* When receiving non-connectable or scannable undirected
4721 * advertising reports, this means that the remote device is
4722 * not connectable and then clearly indicate this in the
4723 * device found event.
4724 *
4725 * When receiving a scan response, then there is no way to
4726 * know if the remote device is connectable or not. However
4727 * since scan responses are merged with a previously seen
4728 * advertising report, the flags field from that report
4729 * will be used.
4730 *
4731 * In the really unlikely case that a controller get confused
4732 * and just sends a scan response event, then it is marked as
4733 * not connectable as well.
4734 */
4735 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4736 type == LE_ADV_SCAN_RSP)
4737 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4738 else
4739 flags = 0;
4740
b9a6328f
JH		 4741 /* If there's nothing pending either store the data from this
4742 * event or send an immediate device found event if the data
4743 * should not be stored for later.
4744 */
4745 if (!has_pending_adv_report(hdev)) {
4746 /* If the report will trigger a SCAN_REQ store it for
4747 * later merging.
4748 */
4749 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4750 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4751 rssi, flags, data, len);
b9a6328f
JH		 4752 return;
4753 }
4754
4755 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4756 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4757 return;
4758 }
4759
474ee066
JH		 4760 /* Check if the pending report is for the same device as the new one */
4761 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4762 bdaddr_type == d->last_adv_addr_type);
4763
b9a6328f
JH		 4764 /* If the pending data doesn't match this report or this isn't a
4765 * scan response (e.g. we got a duplicate ADV_IND) then force
4766 * sending of the pending data.
4767 */
474ee066
JH		 4768 if (type != LE_ADV_SCAN_RSP || !match) {
4769 /* Send out whatever is in the cache, but skip duplicates */
4770 if (!match)
4771 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4772 d->last_adv_addr_type, NULL,
c70a7e4c 4773 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4774 d->last_adv_data,
474ee066 4775 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4776
4777 /* If the new report will trigger a SCAN_REQ store it for
4778 * later merging.
4779 */
4780 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4781 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4782 rssi, flags, data, len);
b9a6328f
JH		 4783 return;
4784 }
4785
4786 /* The advertising reports cannot be merged, so clear
4787 * the pending report and send out a device found event.
4788 */
4789 clear_pending_adv_report(hdev);
5c5b93e4 4790 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4791 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4792 return;
4793 }
4794
4795 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4796 * the new event is a SCAN_RSP. We can therefore proceed with
4797 * sending a merged device found event.
4798 */
4799 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4800 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4801 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4802 clear_pending_adv_report(hdev);
4af605d8
JH		 4803}
4804
6039aa73 4805static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4806{
e95beb41
AG		 4807 u8 num_reports = skb->data[0];
4808 void *ptr = &skb->data[1];
9aa04c91 4809
a4790dbd
AG		 4810 hci_dev_lock(hdev);
4811
e95beb41
AG		 4812 while (num_reports--) {
4813 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4814 s8 rssi;
a4790dbd 4815
3c9e9195 4816 rssi = ev->data[ev->length];
4af605d8 4817 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
2f010b55
MH		 4818 ev->bdaddr_type, NULL, 0, rssi,
4819 ev->data, ev->length);
3c9e9195 4820
e95beb41 4821 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4822 }
a4790dbd
AG		 4823
4824 hci_dev_unlock(hdev);
9aa04c91
AG		 4825}
4826
6039aa73 4827static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4828{
4829 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4830 struct hci_cp_le_ltk_reply cp;
bea710fe 4831 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4832 struct hci_conn *conn;
c9839a11 4833 struct smp_ltk *ltk;
a7a595f6 4834
9f1db00c 4835 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4836
4837 hci_dev_lock(hdev);
4838
4839 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4840 if (conn == NULL)
4841 goto not_found;
a7a595f6 4842
f3a73d97 4843 ltk = hci_find_ltk(hdev, &conn->dst, conn->dst_type, conn->role);
5378bc56 4844 if (!ltk)
bea710fe
VCG		 4845 goto not_found;
4846
5378bc56
JH		 4847 if (smp_ltk_is_sc(ltk)) {
4848 /* With SC both EDiv and Rand are set to zero */
4849 if (ev->ediv || ev->rand)
4850 goto not_found;
4851 } else {
4852 /* For non-SC keys check that EDiv and Rand match */
4853 if (ev->ediv != ltk->ediv || ev->rand != ltk->rand)
4854 goto not_found;
4855 }
4856
bea710fe 4857 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4858 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4859
a6f7833c 4860 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4861
89cbb4da 4862 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4863
4864 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4865
5981a882
CT		 4866 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4867 * temporary key used to encrypt a connection following
4868 * pairing. It is used during the Encrypted Session Setup to
4869 * distribute the keys. Later, security can be re-established
4870 * using a distributed LTK.
4871 */
2ceba539 4872 if (ltk->type == SMP_STK) {
fe59a05f 4873 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
970d0f1b
JH		 4874 list_del_rcu(&ltk->list);
4875 kfree_rcu(ltk, rcu);
fe59a05f
JH		 4876 } else {
4877 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4878 }
4879
a7a595f6 4880 hci_dev_unlock(hdev);
bea710fe
VCG		 4881
4882 return;
4883
4884not_found:
4885 neg.handle = ev->handle;
4886 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4887 hci_dev_unlock(hdev);
a7a595f6
VCG		 4888}
4889
8e75b46a
AG		 4890static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4891 u8 reason)
4892{
4893 struct hci_cp_le_conn_param_req_neg_reply cp;
4894
4895 cp.handle = cpu_to_le16(handle);
4896 cp.reason = reason;
4897
4898 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4899 &cp);
4900}
4901
4902static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4903 struct sk_buff *skb)
4904{
4905 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4906 struct hci_cp_le_conn_param_req_reply cp;
4907 struct hci_conn *hcon;
4908 u16 handle, min, max, latency, timeout;
4909
4910 handle = le16_to_cpu(ev->handle);
4911 min = le16_to_cpu(ev->interval_min);
4912 max = le16_to_cpu(ev->interval_max);
4913 latency = le16_to_cpu(ev->latency);
4914 timeout = le16_to_cpu(ev->timeout);
4915
4916 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4917 if (!hcon || hcon->state != BT_CONNECTED)
4918 return send_conn_param_neg_reply(hdev, handle,
4919 HCI_ERROR_UNKNOWN_CONN_ID);
4920
4921 if (hci_check_conn_params(min, max, latency, timeout))
4922 return send_conn_param_neg_reply(hdev, handle,
4923 HCI_ERROR_INVALID_LL_PARAMS);
4924
40bef302 4925 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4926 struct hci_conn_params *params;
f4869e2a 4927 u8 store_hint;
348d50b8
JH		 4928
4929 hci_dev_lock(hdev);
4930
4931 params = hci_conn_params_lookup(hdev, &hcon->dst,
4932 hcon->dst_type);
4933 if (params) {
4934 params->conn_min_interval = min;
4935 params->conn_max_interval = max;
4936 params->conn_latency = latency;
4937 params->supervision_timeout = timeout;
f4869e2a
JH		 4938 store_hint = 0x01;
4939 } else{
4940 store_hint = 0x00;
348d50b8
JH		 4941 }
4942
4943 hci_dev_unlock(hdev);
4944
f4869e2a
JH		 4945 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4946 store_hint, min, max, latency, timeout);
348d50b8 4947 }
ffb5a827 4948
8e75b46a
AG		 4949 cp.handle = ev->handle;
4950 cp.interval_min = ev->interval_min;
4951 cp.interval_max = ev->interval_max;
4952 cp.latency = ev->latency;
4953 cp.timeout = ev->timeout;
4954 cp.min_ce_len = 0;
4955 cp.max_ce_len = 0;
4956
4957 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4958}
4959
2f010b55
MH		 4960static void hci_le_direct_adv_report_evt(struct hci_dev *hdev,
4961 struct sk_buff *skb)
4962{
4963 u8 num_reports = skb->data[0];
4964 void *ptr = &skb->data[1];
4965
4966 hci_dev_lock(hdev);
4967
4968 while (num_reports--) {
4969 struct hci_ev_le_direct_adv_info *ev = ptr;
4970
4971 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4972 ev->bdaddr_type, &ev->direct_addr,
4973 ev->direct_addr_type, ev->rssi, NULL, 0);
4974
4975 ptr += sizeof(*ev);
4976 }
4977
4978 hci_dev_unlock(hdev);
4979}
4980
6039aa73 4981static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4982{
4983 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4984
4985 skb_pull(skb, sizeof(*le_ev));
4986
4987 switch (le_ev->subevent) {
4988 case HCI_EV_LE_CONN_COMPLETE:
4989 hci_le_conn_complete_evt(hdev, skb);
4990 break;
4991
1855d92d
MH		 4992 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4993 hci_le_conn_update_complete_evt(hdev, skb);
4994 break;
4995
9aa04c91
AG		 4996 case HCI_EV_LE_ADVERTISING_REPORT:
4997 hci_le_adv_report_evt(hdev, skb);
4998 break;
4999
a7a595f6
VCG		 5000 case HCI_EV_LE_LTK_REQ:
5001 hci_le_ltk_request_evt(hdev, skb);
5002 break;
5003
8e75b46a
AG		 5004 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
5005 hci_le_remote_conn_param_req_evt(hdev, skb);
5006 break;
5007
2f010b55
MH		 5008 case HCI_EV_LE_DIRECT_ADV_REPORT:
5009 hci_le_direct_adv_report_evt(hdev, skb);
5010 break;
5011
fcd89c09
VT		 5012 default:
5013 break;
5014 }
5015}
5016
9495b2ee
AE		 5017static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
5018{
5019 struct hci_ev_channel_selected *ev = (void *) skb->data;
5020 struct hci_conn *hcon;
5021
5022 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
5023
5024 skb_pull(skb, sizeof(*ev));
5025
5026 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
5027 if (!hcon)
5028 return;
5029
5030 amp_read_loc_assoc_final_data(hdev, hcon);
5031}
5032
a9de9248
MH		 5033void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
5034{
5035 struct hci_event_hdr *hdr = (void *) skb->data;
5036 __u8 event = hdr->evt;
5037
b6ddb638
JH		 5038 hci_dev_lock(hdev);
5039
5040 /* Received events are (currently) only needed when a request is
5041 * ongoing so avoid unnecessary memory allocation.
5042 */
899de765 5043 if (hci_req_pending(hdev)) {
b6ddb638
JH		 5044 kfree_skb(hdev->recv_evt);
5045 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
5046 }
5047
5048 hci_dev_unlock(hdev);
5049
a9de9248
MH		 5050 skb_pull(skb, HCI_EVENT_HDR_SIZE);
5051
db6e3e8d 5052 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 5053 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
5054 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 5055
5056 hci_req_cmd_complete(hdev, opcode, 0);
5057 }
5058
a9de9248 5059 switch (event) {
1da177e4
LT		 5060 case HCI_EV_INQUIRY_COMPLETE:
5061 hci_inquiry_complete_evt(hdev, skb);
5062 break;
5063
5064 case HCI_EV_INQUIRY_RESULT:
5065 hci_inquiry_result_evt(hdev, skb);
5066 break;
5067
a9de9248
MH		 5068 case HCI_EV_CONN_COMPLETE:
5069 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 5070 break;
5071
1da177e4
LT		 5072 case HCI_EV_CONN_REQUEST:
5073 hci_conn_request_evt(hdev, skb);
5074 break;
5075
1da177e4
LT		 5076 case HCI_EV_DISCONN_COMPLETE:
5077 hci_disconn_complete_evt(hdev, skb);
5078 break;
5079
1da177e4
LT		 5080 case HCI_EV_AUTH_COMPLETE:
5081 hci_auth_complete_evt(hdev, skb);
5082 break;
5083
a9de9248
MH		 5084 case HCI_EV_REMOTE_NAME:
5085 hci_remote_name_evt(hdev, skb);
5086 break;
5087
1da177e4
LT		 5088 case HCI_EV_ENCRYPT_CHANGE:
5089 hci_encrypt_change_evt(hdev, skb);
5090 break;
5091
a9de9248
MH		 5092 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
5093 hci_change_link_key_complete_evt(hdev, skb);
5094 break;
5095
5096 case HCI_EV_REMOTE_FEATURES:
5097 hci_remote_features_evt(hdev, skb);
5098 break;
5099
a9de9248
MH		 5100 case HCI_EV_CMD_COMPLETE:
5101 hci_cmd_complete_evt(hdev, skb);
5102 break;
5103
5104 case HCI_EV_CMD_STATUS:
5105 hci_cmd_status_evt(hdev, skb);
5106 break;
5107
24dfa343
MH		 5108 case HCI_EV_HARDWARE_ERROR:
5109 hci_hardware_error_evt(hdev, skb);
5110 break;
5111
a9de9248
MH		 5112 case HCI_EV_ROLE_CHANGE:
5113 hci_role_change_evt(hdev, skb);
5114 break;
5115
5116 case HCI_EV_NUM_COMP_PKTS:
5117 hci_num_comp_pkts_evt(hdev, skb);
5118 break;
5119
5120 case HCI_EV_MODE_CHANGE:
5121 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 5122 break;
5123
5124 case HCI_EV_PIN_CODE_REQ:
5125 hci_pin_code_request_evt(hdev, skb);
5126 break;
5127
5128 case HCI_EV_LINK_KEY_REQ:
5129 hci_link_key_request_evt(hdev, skb);
5130 break;
5131
5132 case HCI_EV_LINK_KEY_NOTIFY:
5133 hci_link_key_notify_evt(hdev, skb);
5134 break;
5135
5136 case HCI_EV_CLOCK_OFFSET:
5137 hci_clock_offset_evt(hdev, skb);
5138 break;
5139
a8746417
MH		 5140 case HCI_EV_PKT_TYPE_CHANGE:
5141 hci_pkt_type_change_evt(hdev, skb);
5142 break;
5143
85a1e930
MH		 5144 case HCI_EV_PSCAN_REP_MODE:
5145 hci_pscan_rep_mode_evt(hdev, skb);
5146 break;
5147
a9de9248
MH		 5148 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
5149 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 5150 break;
5151
a9de9248
MH		 5152 case HCI_EV_REMOTE_EXT_FEATURES:
5153 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 5154 break;
5155
a9de9248
MH		 5156 case HCI_EV_SYNC_CONN_COMPLETE:
5157 hci_sync_conn_complete_evt(hdev, skb);
5158 break;
1da177e4 5159
a9de9248
MH		 5160 case HCI_EV_EXTENDED_INQUIRY_RESULT:
5161 hci_extended_inquiry_result_evt(hdev, skb);
5162 break;
1da177e4 5163
1c2e0041
JH		 5164 case HCI_EV_KEY_REFRESH_COMPLETE:
5165 hci_key_refresh_complete_evt(hdev, skb);
5166 break;
5167
0493684e
MH		 5168 case HCI_EV_IO_CAPA_REQUEST:
5169 hci_io_capa_request_evt(hdev, skb);
5170 break;
5171
03b555e1
JH		 5172 case HCI_EV_IO_CAPA_REPLY:
5173 hci_io_capa_reply_evt(hdev, skb);
5174 break;
5175
a5c29683
JH		 5176 case HCI_EV_USER_CONFIRM_REQUEST:
5177 hci_user_confirm_request_evt(hdev, skb);
5178 break;
5179
1143d458
BG		 5180 case HCI_EV_USER_PASSKEY_REQUEST:
5181 hci_user_passkey_request_evt(hdev, skb);
5182 break;
5183
92a25256
JH		 5184 case HCI_EV_USER_PASSKEY_NOTIFY:
5185 hci_user_passkey_notify_evt(hdev, skb);
5186 break;
5187
5188 case HCI_EV_KEYPRESS_NOTIFY:
5189 hci_keypress_notify_evt(hdev, skb);
5190 break;
5191
0493684e
MH		 5192 case HCI_EV_SIMPLE_PAIR_COMPLETE:
5193 hci_simple_pair_complete_evt(hdev, skb);
5194 break;
5195
41a96212
MH		 5196 case HCI_EV_REMOTE_HOST_FEATURES:
5197 hci_remote_host_features_evt(hdev, skb);
5198 break;
5199
fcd89c09
VT		 5200 case HCI_EV_LE_META:
5201 hci_le_meta_evt(hdev, skb);
5202 break;
5203
9495b2ee
AE		 5204 case HCI_EV_CHANNEL_SELECTED:
5205 hci_chan_selected_evt(hdev, skb);
5206 break;
5207
2763eda6
SJ		 5208 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
5209 hci_remote_oob_data_request_evt(hdev, skb);
5210 break;
5211
d5e91192
AE		 5212 case HCI_EV_PHY_LINK_COMPLETE:
5213 hci_phy_link_complete_evt(hdev, skb);
5214 break;
5215
27695fb4
AE		 5216 case HCI_EV_LOGICAL_LINK_COMPLETE:
5217 hci_loglink_complete_evt(hdev, skb);
5218 break;
5219
606e2a10
AE		 5220 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
5221 hci_disconn_loglink_complete_evt(hdev, skb);
5222 break;
5223
9eef6b3a
AE		 5224 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
5225 hci_disconn_phylink_complete_evt(hdev, skb);
5226 break;
5227
25e89e99
AE		 5228 case HCI_EV_NUM_COMP_BLOCKS:
5229 hci_num_comp_blocks_evt(hdev, skb);
5230 break;
5231
a9de9248 5232 default:
9f1db00c 5233 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 5234 break;
5235 }
5236
5237 kfree_skb(skb);
5238 hdev->stat.evt_rx++;
5239}
Linux kernel - Deliverables
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