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Bluetooth: Check status of command complete for HCI_Reset
[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
7024728e 33#include "a2mp.h"
7ef9fbf0 34#include "amp.h"
2ceba539 35#include "smp.h"
1da177e4 36
1da177e4
LT		 37/* Handle HCI Event packets */
38
a9de9248 39static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 40{
a9de9248 41 __u8 status = *((__u8 *) skb->data);
1da177e4 42
9f1db00c 43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 44
82f4785c 45 if (status)
a9de9248 46 return;
1da177e4 47
89352e7d 48 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 51
50143a43
JH		 52 hci_dev_lock(hdev);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
54 hci_dev_unlock(hdev);
55
a9de9248
MH		 56 hci_conn_check_pending(hdev);
57}
6bd57416 58
4d93483b
AG		 59static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
60{
61 __u8 status = *((__u8 *) skb->data);
62
9f1db00c 63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 64
65 if (status)
66 return;
67
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG		 69}
70
a9de9248
MH		 71static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
72{
73 __u8 status = *((__u8 *) skb->data);
6bd57416 74
9f1db00c 75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 76
a9de9248
MH		 77 if (status)
78 return;
1da177e4 79
ae854a70
AG		 80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
81
a9de9248
MH		 82 hci_conn_check_pending(hdev);
83}
84
807deac2
GP		 85static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
86 struct sk_buff *skb)
a9de9248
MH		 87{
88 BT_DBG("%s", hdev->name);
89}
90
91static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
92{
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
95
9f1db00c 96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 97
98 if (rp->status)
99 return;
100
101 hci_dev_lock(hdev);
102
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 104 if (conn)
105 conn->role = rp->role;
a9de9248
MH		 106
107 hci_dev_unlock(hdev);
1da177e4
LT		 108}
109
e4e8e37c
MH		 110static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
111{
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
114
9f1db00c 115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 116
117 if (rp->status)
118 return;
119
120 hci_dev_lock(hdev);
121
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
123 if (conn)
124 conn->link_policy = __le16_to_cpu(rp->policy);
125
126 hci_dev_unlock(hdev);
127}
128
a9de9248 129static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 130{
a9de9248 131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 132 struct hci_conn *conn;
04837f64 133 void *sent;
1da177e4 134
9f1db00c 135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 136
a9de9248
MH		 137 if (rp->status)
138 return;
1da177e4 139
a9de9248
MH		 140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
141 if (!sent)
142 return;
1da177e4 143
a9de9248 144 hci_dev_lock(hdev);
1da177e4 145
a9de9248 146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 147 if (conn)
83985319 148 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 149
a9de9248
MH		 150 hci_dev_unlock(hdev);
151}
1da177e4 152
807deac2
GP		 153static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
154 struct sk_buff *skb)
e4e8e37c
MH		 155{
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
157
9f1db00c 158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 159
160 if (rp->status)
161 return;
162
163 hdev->link_policy = __le16_to_cpu(rp->policy);
164}
165
807deac2
GP		 166static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
167 struct sk_buff *skb)
e4e8e37c
MH		 168{
169 __u8 status = *((__u8 *) skb->data);
170 void *sent;
171
9f1db00c 172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 173
45296acd
MH		 174 if (status)
175 return;
176
e4e8e37c
MH		 177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
178 if (!sent)
179 return;
180
45296acd 181 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 182}
183
a9de9248
MH		 184static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
185{
186 __u8 status = *((__u8 *) skb->data);
04837f64 187
9f1db00c 188 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 189
10572132
GP		 190 clear_bit(HCI_RESET, &hdev->flags);
191
8761f9d6
MH		 192 if (status)
193 return;
194
a297e97c 195 /* Reset all non-persistent flags */
2cc6fb00 196 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 197
198 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 199 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
200 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 201
202 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
203 hdev->adv_data_len = 0;
f8e808bd
MH		 204
205 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
206 hdev->scan_rsp_data_len = 0;
06f5b778 207
533553f8
MH		 208 hdev->le_scan_type = LE_SCAN_PASSIVE;
209
06f5b778 210 hdev->ssp_debug_mode = 0;
a4d5504d
MH		 211
212 hci_bdaddr_list_clear(&hdev->le_white_list);
a9de9248 213}
04837f64 214
a9de9248
MH		 215static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
216{
217 __u8 status = *((__u8 *) skb->data);
218 void *sent;
04837f64 219
9f1db00c 220 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 221
a9de9248
MH		 222 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
223 if (!sent)
224 return;
04837f64 225
56e5cb86
JH		 226 hci_dev_lock(hdev);
227
f51d5b24
JH		 228 if (test_bit(HCI_MGMT, &hdev->dev_flags))
229 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 230 else if (!status)
231 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 232
56e5cb86 233 hci_dev_unlock(hdev);
a9de9248
MH		 234}
235
236static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
237{
238 struct hci_rp_read_local_name *rp = (void *) skb->data;
239
9f1db00c 240 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 241
242 if (rp->status)
243 return;
244
db99b5fc
JH		 245 if (test_bit(HCI_SETUP, &hdev->dev_flags))
246 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 247}
248
249static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
250{
251 __u8 status = *((__u8 *) skb->data);
252 void *sent;
253
9f1db00c 254 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 255
256 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
257 if (!sent)
258 return;
259
260 if (!status) {
261 __u8 param = *((__u8 *) sent);
262
263 if (param == AUTH_ENABLED)
264 set_bit(HCI_AUTH, &hdev->flags);
265 else
266 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 267 }
a9de9248 268
33ef95ed
JH		 269 if (test_bit(HCI_MGMT, &hdev->dev_flags))
270 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 271}
272
a9de9248 273static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 274{
a9de9248 275 __u8 status = *((__u8 *) skb->data);
45296acd 276 __u8 param;
1da177e4
LT		 277 void *sent;
278
9f1db00c 279 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 280
45296acd
MH		 281 if (status)
282 return;
283
a9de9248
MH		 284 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
285 if (!sent)
286 return;
1da177e4 287
45296acd 288 param = *((__u8 *) sent);
a9de9248 289
45296acd
MH		 290 if (param)
291 set_bit(HCI_ENCRYPT, &hdev->flags);
292 else
293 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 294}
1da177e4 295
a9de9248
MH		 296static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
297{
45296acd
MH		 298 __u8 status = *((__u8 *) skb->data);
299 __u8 param;
a9de9248 300 void *sent;
1da177e4 301
9f1db00c 302 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 303
a9de9248
MH		 304 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
305 if (!sent)
306 return;
1da177e4 307
36f7fc7e
JH		 308 param = *((__u8 *) sent);
309
56e5cb86
JH		 310 hci_dev_lock(hdev);
311
fa1bd918 312 if (status) {
2d7cee58
JH		 313 hdev->discov_timeout = 0;
314 goto done;
315 }
316
bc6d2d04 317 if (param & SCAN_INQUIRY)
36f7fc7e 318 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 319 else
320 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 321
031547d8 322 if (param & SCAN_PAGE)
36f7fc7e 323 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04 324 else
204e3990 325 clear_bit(HCI_PSCAN, &hdev->flags);
1da177e4 326
36f7fc7e 327done:
56e5cb86 328 hci_dev_unlock(hdev);
a9de9248 329}
1da177e4 330
a9de9248
MH		 331static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
332{
333 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 334
9f1db00c 335 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 336
a9de9248
MH		 337 if (rp->status)
338 return;
1da177e4 339
a9de9248 340 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 341
a9de9248 342 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 343 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 344}
1da177e4 345
a9de9248
MH		 346static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
347{
348 __u8 status = *((__u8 *) skb->data);
349 void *sent;
1da177e4 350
9f1db00c 351 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 352
a9de9248
MH		 353 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
354 if (!sent)
355 return;
1da177e4 356
7f9a903c
MH		 357 hci_dev_lock(hdev);
358
359 if (status == 0)
360 memcpy(hdev->dev_class, sent, 3);
361
362 if (test_bit(HCI_MGMT, &hdev->dev_flags))
363 mgmt_set_class_of_dev_complete(hdev, sent, status);
364
365 hci_dev_unlock(hdev);
a9de9248 366}
1da177e4 367
a9de9248
MH		 368static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
369{
370 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
371 __u16 setting;
372
9f1db00c 373 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 374
375 if (rp->status)
376 return;
377
378 setting = __le16_to_cpu(rp->voice_setting);
379
f383f275 380 if (hdev->voice_setting == setting)
a9de9248
MH		 381 return;
382
383 hdev->voice_setting = setting;
384
9f1db00c 385 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 386
3c54711c 387 if (hdev->notify)
a9de9248 388 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 389}
390
8fc9ced3
GP		 391static void hci_cc_write_voice_setting(struct hci_dev *hdev,
392 struct sk_buff *skb)
a9de9248
MH		 393{
394 __u8 status = *((__u8 *) skb->data);
f383f275 395 __u16 setting;
a9de9248
MH		 396 void *sent;
397
9f1db00c 398 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 399
f383f275
MH		 400 if (status)
401 return;
402
a9de9248
MH		 403 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
404 if (!sent)
405 return;
1da177e4 406
f383f275 407 setting = get_unaligned_le16(sent);
1da177e4 408
f383f275
MH		 409 if (hdev->voice_setting == setting)
410 return;
411
412 hdev->voice_setting = setting;
1da177e4 413
9f1db00c 414 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 415
3c54711c 416 if (hdev->notify)
f383f275 417 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 418}
419
b4cb9fb2
MH		 420static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
421 struct sk_buff *skb)
422{
423 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
424
425 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
426
427 if (rp->status)
428 return;
429
430 hdev->num_iac = rp->num_iac;
431
432 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
433}
434
333140b5
MH		 435static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
436{
437 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 438 struct hci_cp_write_ssp_mode *sent;
333140b5 439
9f1db00c 440 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 441
333140b5
MH		 442 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
443 if (!sent)
444 return;
445
5ed8eb2f
JH		 446 if (!status) {
447 if (sent->mode)
cad718ed 448 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 449 else
cad718ed 450 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 451 }
452
ed2c4ee3 453 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 454 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 455 else if (!status) {
5ed8eb2f 456 if (sent->mode)
c0ecddc2
JH		 457 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
458 else
459 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
460 }
333140b5
MH		 461}
462
eac83dc6
MH		 463static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
464{
465 u8 status = *((u8 *) skb->data);
466 struct hci_cp_write_sc_support *sent;
467
468 BT_DBG("%s status 0x%2.2x", hdev->name, status);
469
470 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
471 if (!sent)
472 return;
473
474 if (!status) {
475 if (sent->support)
476 hdev->features[1][0] |= LMP_HOST_SC;
477 else
478 hdev->features[1][0] &= ~LMP_HOST_SC;
479 }
480
481 if (test_bit(HCI_MGMT, &hdev->dev_flags))
482 mgmt_sc_enable_complete(hdev, sent->support, status);
483 else if (!status) {
484 if (sent->support)
485 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
486 else
487 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
488 }
489}
490
a9de9248
MH		 491static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
492{
493 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 494
9f1db00c 495 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 496
a9de9248 497 if (rp->status)
42c6b129 498 return;
1143e5a6 499
0d5551f5
MH		 500 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
501 hdev->hci_ver = rp->hci_ver;
502 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
503 hdev->lmp_ver = rp->lmp_ver;
504 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
505 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
506 }
d5859e22
JH		 507}
508
8fc9ced3
GP		 509static void hci_cc_read_local_commands(struct hci_dev *hdev,
510 struct sk_buff *skb)
a9de9248
MH		 511{
512 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 513
9f1db00c 514 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 515
6a070e6e
MH		 516 if (rp->status)
517 return;
518
519 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 520 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 521}
1da177e4 522
8fc9ced3
GP		 523static void hci_cc_read_local_features(struct hci_dev *hdev,
524 struct sk_buff *skb)
a9de9248
MH		 525{
526 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 527
9f1db00c 528 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 529
a9de9248
MH		 530 if (rp->status)
531 return;
5b7f9909 532
a9de9248 533 memcpy(hdev->features, rp->features, 8);
5b7f9909 534
a9de9248
MH		 535 /* Adjust default settings according to features
536 * supported by device. */
1da177e4 537
cad718ed 538 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 539 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 540
cad718ed 541 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 542 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 543
cad718ed 544 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 545 hdev->pkt_type |= (HCI_HV2);
546 hdev->esco_type |= (ESCO_HV2);
547 }
1da177e4 548
cad718ed 549 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 550 hdev->pkt_type |= (HCI_HV3);
551 hdev->esco_type |= (ESCO_HV3);
552 }
1da177e4 553
45db810f 554 if (lmp_esco_capable(hdev))
a9de9248 555 hdev->esco_type |= (ESCO_EV3);
da1f5198 556
cad718ed 557 if (hdev->features[0][4] & LMP_EV4)
a9de9248 558 hdev->esco_type |= (ESCO_EV4);
da1f5198 559
cad718ed 560 if (hdev->features[0][4] & LMP_EV5)
a9de9248 561 hdev->esco_type |= (ESCO_EV5);
1da177e4 562
cad718ed 563 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 564 hdev->esco_type |= (ESCO_2EV3);
565
cad718ed 566 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 567 hdev->esco_type |= (ESCO_3EV3);
568
cad718ed 569 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 570 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 571}
1da177e4 572
971e3a4b 573static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 574 struct sk_buff *skb)
971e3a4b
AG		 575{
576 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
577
9f1db00c 578 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 579
580 if (rp->status)
42c6b129 581 return;
971e3a4b 582
57af75a8
MH		 583 if (hdev->max_page < rp->max_page)
584 hdev->max_page = rp->max_page;
d2c5d77f 585
cad718ed
JH		 586 if (rp->page < HCI_MAX_PAGES)
587 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 588}
589
1e89cffb 590static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 591 struct sk_buff *skb)
1e89cffb
AE		 592{
593 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
594
9f1db00c 595 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 596
45296acd
MH		 597 if (rp->status)
598 return;
599
600 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 601}
602
a9de9248
MH		 603static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
604{
605 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 606
9f1db00c 607 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 608
a9de9248
MH		 609 if (rp->status)
610 return;
1da177e4 611
a9de9248
MH		 612 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
613 hdev->sco_mtu = rp->sco_mtu;
614 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
615 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
616
617 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
618 hdev->sco_mtu = 64;
619 hdev->sco_pkts = 8;
1da177e4 620 }
a9de9248
MH		 621
622 hdev->acl_cnt = hdev->acl_pkts;
623 hdev->sco_cnt = hdev->sco_pkts;
624
807deac2
GP		 625 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
626 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 627}
628
629static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
630{
631 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
632
9f1db00c 633 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 634
e30d3f5f
MH		 635 if (rp->status)
636 return;
637
638 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 639 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 640
641 if (test_bit(HCI_SETUP, &hdev->dev_flags))
642 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 643}
644
f332ec66
JH		 645static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
646 struct sk_buff *skb)
647{
648 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
649
650 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
651
45296acd
MH		 652 if (rp->status)
653 return;
654
655 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 656 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
657 hdev->page_scan_window = __le16_to_cpu(rp->window);
658 }
659}
660
4a3ee763
JH		 661static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
662 struct sk_buff *skb)
663{
664 u8 status = *((u8 *) skb->data);
665 struct hci_cp_write_page_scan_activity *sent;
666
667 BT_DBG("%s status 0x%2.2x", hdev->name, status);
668
669 if (status)
670 return;
671
672 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
673 if (!sent)
674 return;
675
676 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
677 hdev->page_scan_window = __le16_to_cpu(sent->window);
678}
679
f332ec66
JH		 680static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
681 struct sk_buff *skb)
682{
683 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
684
685 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
686
45296acd
MH		 687 if (rp->status)
688 return;
689
690 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 691 hdev->page_scan_type = rp->type;
692}
693
4a3ee763
JH		 694static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
695 struct sk_buff *skb)
696{
697 u8 status = *((u8 *) skb->data);
698 u8 *type;
699
700 BT_DBG("%s status 0x%2.2x", hdev->name, status);
701
702 if (status)
703 return;
704
705 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
706 if (type)
707 hdev->page_scan_type = *type;
708}
709
350ee4cf 710static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 711 struct sk_buff *skb)
350ee4cf
AE		 712{
713 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
714
9f1db00c 715 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 716
717 if (rp->status)
718 return;
719
720 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
721 hdev->block_len = __le16_to_cpu(rp->block_len);
722 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
723
724 hdev->block_cnt = hdev->num_blocks;
725
726 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 727 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 728}
729
33f35721
JH		 730static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
731{
732 struct hci_rp_read_clock *rp = (void *) skb->data;
733 struct hci_cp_read_clock *cp;
734 struct hci_conn *conn;
735
736 BT_DBG("%s", hdev->name);
737
738 if (skb->len < sizeof(*rp))
739 return;
740
741 if (rp->status)
742 return;
743
744 hci_dev_lock(hdev);
745
746 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
747 if (!cp)
748 goto unlock;
749
750 if (cp->which == 0x00) {
751 hdev->clock = le32_to_cpu(rp->clock);
752 goto unlock;
753 }
754
755 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
756 if (conn) {
757 conn->clock = le32_to_cpu(rp->clock);
758 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
759 }
760
761unlock:
762 hci_dev_unlock(hdev);
763}
764
928abaa7 765static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 766 struct sk_buff *skb)
928abaa7
AE		 767{
768 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
769
9f1db00c 770 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 771
772 if (rp->status)
8e2a0d92 773 goto a2mp_rsp;
928abaa7
AE		 774
775 hdev->amp_status = rp->amp_status;
776 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
777 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
778 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
779 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
780 hdev->amp_type = rp->amp_type;
781 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
782 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
783 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
784 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
785
8e2a0d92
AE		 786a2mp_rsp:
787 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 788}
789
903e4541
AE		 790static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
791 struct sk_buff *skb)
792{
793 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
794 struct amp_assoc *assoc = &hdev->loc_assoc;
795 size_t rem_len, frag_len;
796
797 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
798
799 if (rp->status)
800 goto a2mp_rsp;
801
802 frag_len = skb->len - sizeof(*rp);
803 rem_len = __le16_to_cpu(rp->rem_len);
804
805 if (rem_len > frag_len) {
2e430be3 806 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 807
808 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
809 assoc->offset += frag_len;
810
811 /* Read other fragments */
812 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
813
814 return;
815 }
816
817 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
818 assoc->len = assoc->offset + rem_len;
819 assoc->offset = 0;
820
821a2mp_rsp:
822 /* Send A2MP Rsp when all fragments are received */
823 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 824 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 825}
826
d5859e22 827static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 828 struct sk_buff *skb)
d5859e22 829{
91c4e9b1 830 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 831
9f1db00c 832 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 833
45296acd
MH		 834 if (rp->status)
835 return;
836
837 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 838}
839
980e1a53
JH		 840static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
841{
842 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
843 struct hci_cp_pin_code_reply *cp;
844 struct hci_conn *conn;
845
9f1db00c 846 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 847
56e5cb86
JH		 848 hci_dev_lock(hdev);
849
a8b2d5c2 850 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 851 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 852
fa1bd918 853 if (rp->status)
56e5cb86 854 goto unlock;
980e1a53
JH		 855
856 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
857 if (!cp)
56e5cb86 858 goto unlock;
980e1a53
JH		 859
860 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
861 if (conn)
862 conn->pin_length = cp->pin_len;
56e5cb86
JH		 863
864unlock:
865 hci_dev_unlock(hdev);
980e1a53
JH		 866}
867
868static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
869{
870 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
871
9f1db00c 872 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 873
56e5cb86
JH		 874 hci_dev_lock(hdev);
875
a8b2d5c2 876 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 877 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 878 rp->status);
56e5cb86
JH		 879
880 hci_dev_unlock(hdev);
980e1a53 881}
56e5cb86 882
6ed58ec5
VT		 883static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
884 struct sk_buff *skb)
885{
886 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
887
9f1db00c 888 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 889
890 if (rp->status)
891 return;
892
893 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
894 hdev->le_pkts = rp->le_max_pkt;
895
896 hdev->le_cnt = hdev->le_pkts;
897
898 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 899}
980e1a53 900
60e77321
JH		 901static void hci_cc_le_read_local_features(struct hci_dev *hdev,
902 struct sk_buff *skb)
903{
904 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
905
906 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
907
45296acd
MH		 908 if (rp->status)
909 return;
910
911 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 912}
913
8fa19098
JH		 914static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
915 struct sk_buff *skb)
916{
917 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
918
919 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
920
45296acd
MH		 921 if (rp->status)
922 return;
923
924 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 925}
926
a5c29683
JH		 927static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
928{
929 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
930
9f1db00c 931 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 932
56e5cb86
JH		 933 hci_dev_lock(hdev);
934
a8b2d5c2 935 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 936 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
937 rp->status);
56e5cb86
JH		 938
939 hci_dev_unlock(hdev);
a5c29683
JH		 940}
941
942static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 943 struct sk_buff *skb)
a5c29683
JH		 944{
945 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
946
9f1db00c 947 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 948
56e5cb86
JH		 949 hci_dev_lock(hdev);
950
a8b2d5c2 951 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 952 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 953 ACL_LINK, 0, rp->status);
56e5cb86
JH		 954
955 hci_dev_unlock(hdev);
a5c29683
JH		 956}
957
1143d458
BG		 958static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
959{
960 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
961
9f1db00c 962 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 963
964 hci_dev_lock(hdev);
965
a8b2d5c2 966 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 967 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 968 0, rp->status);
1143d458
BG		 969
970 hci_dev_unlock(hdev);
971}
972
973static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 974 struct sk_buff *skb)
1143d458
BG		 975{
976 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
977
9f1db00c 978 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 979
980 hci_dev_lock(hdev);
981
a8b2d5c2 982 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 983 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 984 ACL_LINK, 0, rp->status);
1143d458
BG		 985
986 hci_dev_unlock(hdev);
987}
988
4d2d2796
MH		 989static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
990 struct sk_buff *skb)
c35938b2
SJ		 991{
992 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
993
9f1db00c 994 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 995
56e5cb86 996 hci_dev_lock(hdev);
4d2d2796
MH		 997 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
998 NULL, NULL, rp->status);
999 hci_dev_unlock(hdev);
1000}
1001
1002static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1003 struct sk_buff *skb)
1004{
1005 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1006
1007 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1008
1009 hci_dev_lock(hdev);
1010 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1011 rp->hash256, rp->randomizer256,
1012 rp->status);
56e5cb86 1013 hci_dev_unlock(hdev);
c35938b2
SJ		 1014}
1015
7a4cd51d
MH		 1016
1017static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1018{
1019 __u8 status = *((__u8 *) skb->data);
1020 bdaddr_t *sent;
1021
1022 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1023
45296acd
MH		 1024 if (status)
1025 return;
1026
7a4cd51d
MH		 1027 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1028 if (!sent)
1029 return;
1030
1031 hci_dev_lock(hdev);
1032
45296acd 1033 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1034
1035 hci_dev_unlock(hdev);
1036}
1037
c1d5dc4a
JH		 1038static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1039{
1040 __u8 *sent, status = *((__u8 *) skb->data);
1041
1042 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1043
45296acd 1044 if (status)
c1d5dc4a
JH		 1045 return;
1046
45296acd
MH		 1047 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1048 if (!sent)
3c857757
JH		 1049 return;
1050
c1d5dc4a
JH		 1051 hci_dev_lock(hdev);
1052
49c922bb 1053 /* If we're doing connection initiation as peripheral. Set a
3c857757
JH		 1054 * timeout in case something goes wrong.
1055 */
1056 if (*sent) {
1057 struct hci_conn *conn;
1058
66c417c1
JH		 1059 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1060
3c857757
JH		 1061 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1062 if (conn)
1063 queue_delayed_work(hdev->workqueue,
1064 &conn->le_conn_timeout,
09ae260b 1065 conn->conn_timeout);
66c417c1
JH		 1066 } else {
1067 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1068 }
1069
04b4edcb 1070 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1071}
1072
533553f8
MH		 1073static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1074{
1075 struct hci_cp_le_set_scan_param *cp;
1076 __u8 status = *((__u8 *) skb->data);
1077
1078 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1079
45296acd
MH		 1080 if (status)
1081 return;
1082
533553f8
MH		 1083 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1084 if (!cp)
1085 return;
1086
1087 hci_dev_lock(hdev);
1088
45296acd 1089 hdev->le_scan_type = cp->type;
533553f8
MH		 1090
1091 hci_dev_unlock(hdev);
1092}
1093
b9a6328f
JH		 1094static bool has_pending_adv_report(struct hci_dev *hdev)
1095{
1096 struct discovery_state *d = &hdev->discovery;
1097
1098 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1099}
1100
1101static void clear_pending_adv_report(struct hci_dev *hdev)
1102{
1103 struct discovery_state *d = &hdev->discovery;
1104
1105 bacpy(&d->last_adv_addr, BDADDR_ANY);
1106 d->last_adv_data_len = 0;
1107}
1108
1109static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1110 u8 bdaddr_type, s8 rssi, u32 flags,
1111 u8 *data, u8 len)
b9a6328f
JH		 1112{
1113 struct discovery_state *d = &hdev->discovery;
1114
1115 bacpy(&d->last_adv_addr, bdaddr);
1116 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1117 d->last_adv_rssi = rssi;
c70a7e4c 1118 d->last_adv_flags = flags;
b9a6328f
JH		 1119 memcpy(d->last_adv_data, data, len);
1120 d->last_adv_data_len = len;
1121}
1122
eb9d91f5 1123static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1124 struct sk_buff *skb)
eb9d91f5
AG		 1125{
1126 struct hci_cp_le_set_scan_enable *cp;
1127 __u8 status = *((__u8 *) skb->data);
1128
9f1db00c 1129 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1130
45296acd 1131 if (status)
eb9d91f5
AG		 1132 return;
1133
45296acd
MH		 1134 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1135 if (!cp)
3fd319b8
AG		 1136 return;
1137
68a8aea4 1138 switch (cp->enable) {
76a388be 1139 case LE_SCAN_ENABLE:
d23264a8 1140 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1141 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1142 clear_pending_adv_report(hdev);
68a8aea4
AE		 1143 break;
1144
76a388be 1145 case LE_SCAN_DISABLE:
b9a6328f
JH		 1146 /* We do this here instead of when setting DISCOVERY_STOPPED
1147 * since the latter would potentially require waiting for
1148 * inquiry to stop too.
1149 */
1150 if (has_pending_adv_report(hdev)) {
1151 struct discovery_state *d = &hdev->discovery;
1152
1153 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1154 d->last_adv_addr_type, NULL,
c70a7e4c 1155 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1156 d->last_adv_data,
b9a6328f
JH		 1157 d->last_adv_data_len, NULL, 0);
1158 }
1159
317ac8cb
JH		 1160 /* Cancel this timer so that we don't try to disable scanning
1161 * when it's already disabled.
1162 */
1163 cancel_delayed_work(&hdev->le_scan_disable);
1164
d23264a8 1165 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1166
81ad6fd9
JH		 1167 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1168 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1169 * therefore discovery as stopped. If this was not
1170 * because of a connect request advertising might have
1171 * been disabled because of active scanning, so
1172 * re-enable it again if necessary.
81ad6fd9
JH		 1173 */
1174 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1175 &hdev->dev_flags))
1176 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1177 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1178 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1179 mgmt_reenable_advertising(hdev);
1180
68a8aea4
AE		 1181 break;
1182
1183 default:
1184 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1185 break;
35815085 1186 }
eb9d91f5
AG		 1187}
1188
cf1d081f
JH		 1189static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1190 struct sk_buff *skb)
1191{
1192 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1193
1194 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1195
45296acd
MH		 1196 if (rp->status)
1197 return;
1198
1199 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1200}
1201
0f36b589
MH		 1202static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1203 struct sk_buff *skb)
1204{
1205 __u8 status = *((__u8 *) skb->data);
1206
1207 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1208
45296acd
MH		 1209 if (status)
1210 return;
1211
dcc36c16 1212 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1213}
1214
1215static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1216 struct sk_buff *skb)
1217{
1218 struct hci_cp_le_add_to_white_list *sent;
1219 __u8 status = *((__u8 *) skb->data);
1220
1221 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1222
45296acd
MH		 1223 if (status)
1224 return;
1225
0f36b589
MH		 1226 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1227 if (!sent)
1228 return;
1229
dcc36c16
JH		 1230 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1231 sent->bdaddr_type);
0f36b589
MH		 1232}
1233
1234static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1235 struct sk_buff *skb)
1236{
1237 struct hci_cp_le_del_from_white_list *sent;
1238 __u8 status = *((__u8 *) skb->data);
1239
1240 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1241
45296acd
MH		 1242 if (status)
1243 return;
1244
0f36b589
MH		 1245 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1246 if (!sent)
1247 return;
1248
dcc36c16
JH		 1249 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1250 sent->bdaddr_type);
0f36b589
MH		 1251}
1252
9b008c04
JH		 1253static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1254 struct sk_buff *skb)
1255{
1256 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1257
1258 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1259
45296acd
MH		 1260 if (rp->status)
1261 return;
1262
1263 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1264}
1265
6039aa73
GP		 1266static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1267 struct sk_buff *skb)
f9b49306 1268{
06199cf8 1269 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1270 __u8 status = *((__u8 *) skb->data);
1271
9f1db00c 1272 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1273
45296acd
MH		 1274 if (status)
1275 return;
1276
06199cf8 1277 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1278 if (!sent)
f9b49306
AG		 1279 return;
1280
45296acd
MH		 1281 if (sent->le) {
1282 hdev->features[1][0] |= LMP_HOST_LE;
1283 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1284 } else {
1285 hdev->features[1][0] &= ~LMP_HOST_LE;
1286 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1287 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1288 }
45296acd
MH		 1289
1290 if (sent->simul)
1291 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1292 else
1293 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1294}
1295
56ed2cb8
JH		 1296static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1297{
1298 struct hci_cp_le_set_adv_param *cp;
1299 u8 status = *((u8 *) skb->data);
1300
1301 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1302
1303 if (status)
1304 return;
1305
1306 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1307 if (!cp)
1308 return;
1309
1310 hci_dev_lock(hdev);
1311 hdev->adv_addr_type = cp->own_address_type;
1312 hci_dev_unlock(hdev);
1313}
1314
93c284ee
AE		 1315static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1316 struct sk_buff *skb)
1317{
1318 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1319
1320 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1321 hdev->name, rp->status, rp->phy_handle);
1322
1323 if (rp->status)
1324 return;
1325
1326 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1327}
1328
5ae76a94
AK		 1329static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1330{
1331 struct hci_rp_read_rssi *rp = (void *) skb->data;
1332 struct hci_conn *conn;
1333
1334 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1335
1336 if (rp->status)
1337 return;
1338
1339 hci_dev_lock(hdev);
1340
1341 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1342 if (conn)
1343 conn->rssi = rp->rssi;
1344
1345 hci_dev_unlock(hdev);
1346}
1347
5a134fae
AK		 1348static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1349{
1350 struct hci_cp_read_tx_power *sent;
1351 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1352 struct hci_conn *conn;
1353
1354 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1355
1356 if (rp->status)
1357 return;
1358
1359 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1360 if (!sent)
1361 return;
1362
1363 hci_dev_lock(hdev);
1364
1365 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1366 if (!conn)
1367 goto unlock;
1368
1369 switch (sent->type) {
1370 case 0x00:
5a134fae 1371 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1372 break;
1373 case 0x01:
1374 conn->max_tx_power = rp->tx_power;
1375 break;
1376 }
5a134fae 1377
d0455ed9 1378unlock:
5a134fae
AK		 1379 hci_dev_unlock(hdev);
1380}
1381
6039aa73 1382static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1383{
9f1db00c 1384 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1385
1386 if (status) {
a9de9248 1387 hci_conn_check_pending(hdev);
314b2381
JH		 1388 return;
1389 }
1390
89352e7d 1391 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1392}
1393
6039aa73 1394static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1395{
a9de9248 1396 struct hci_cp_create_conn *cp;
1da177e4 1397 struct hci_conn *conn;
1da177e4 1398
9f1db00c 1399 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1400
1401 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1402 if (!cp)
1403 return;
1404
1405 hci_dev_lock(hdev);
1406
1407 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1408
6ed93dc6 1409 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1410
1411 if (status) {
1412 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1413 if (status != 0x0c || conn->attempt > 2) {
1414 conn->state = BT_CLOSED;
1415 hci_proto_connect_cfm(conn, status);
1416 hci_conn_del(conn);
1417 } else
1418 conn->state = BT_CONNECT2;
1da177e4
LT		 1419 }
1420 } else {
1421 if (!conn) {
a5c4e309
JH		 1422 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1423 HCI_ROLE_MASTER);
1424 if (!conn)
893ef971 1425 BT_ERR("No memory for new connection");
1da177e4
LT		 1426 }
1427 }
1428
1429 hci_dev_unlock(hdev);
1430}
1431
a9de9248 1432static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1433{
a9de9248
MH		 1434 struct hci_cp_add_sco *cp;
1435 struct hci_conn *acl, *sco;
1436 __u16 handle;
1da177e4 1437
9f1db00c 1438 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1439
a9de9248
MH		 1440 if (!status)
1441 return;
1da177e4 1442
a9de9248
MH		 1443 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1444 if (!cp)
1445 return;
1da177e4 1446
a9de9248 1447 handle = __le16_to_cpu(cp->handle);
1da177e4 1448
9f1db00c 1449 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1450
a9de9248 1451 hci_dev_lock(hdev);
1da177e4 1452
a9de9248 1453 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1454 if (acl) {
1455 sco = acl->link;
1456 if (sco) {
1457 sco->state = BT_CLOSED;
1da177e4 1458
5a08ecce
AE		 1459 hci_proto_connect_cfm(sco, status);
1460 hci_conn_del(sco);
1461 }
a9de9248 1462 }
1da177e4 1463
a9de9248
MH		 1464 hci_dev_unlock(hdev);
1465}
1da177e4 1466
f8558555
MH		 1467static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1468{
1469 struct hci_cp_auth_requested *cp;
1470 struct hci_conn *conn;
1471
9f1db00c 1472 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1473
1474 if (!status)
1475 return;
1476
1477 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1478 if (!cp)
1479 return;
1480
1481 hci_dev_lock(hdev);
1482
1483 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1484 if (conn) {
1485 if (conn->state == BT_CONFIG) {
1486 hci_proto_connect_cfm(conn, status);
76a68ba0 1487 hci_conn_drop(conn);
f8558555
MH		 1488 }
1489 }
1490
1491 hci_dev_unlock(hdev);
1492}
1493
1494static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1495{
1496 struct hci_cp_set_conn_encrypt *cp;
1497 struct hci_conn *conn;
1498
9f1db00c 1499 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1500
1501 if (!status)
1502 return;
1503
1504 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1505 if (!cp)
1506 return;
1507
1508 hci_dev_lock(hdev);
1509
1510 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1511 if (conn) {
1512 if (conn->state == BT_CONFIG) {
1513 hci_proto_connect_cfm(conn, status);
76a68ba0 1514 hci_conn_drop(conn);
f8558555
MH		 1515 }
1516 }
1517
1518 hci_dev_unlock(hdev);
1519}
1520
127178d2 1521static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1522 struct hci_conn *conn)
392599b9 1523{
392599b9
JH		 1524 if (conn->state != BT_CONFIG || !conn->out)
1525 return 0;
1526
765c2a96 1527 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1528 return 0;
1529
1530 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1531 * devices with sec_level MEDIUM or HIGH or if MITM protection
1532 * is requested.
1533 */
807deac2 1534 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1535 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1536 conn->pending_sec_level != BT_SECURITY_HIGH &&
1537 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1538 return 0;
1539
392599b9
JH		 1540 return 1;
1541}
1542
6039aa73 1543static int hci_resolve_name(struct hci_dev *hdev,
04124681 1544 struct inquiry_entry *e)
30dc78e1
JH		 1545{
1546 struct hci_cp_remote_name_req cp;
1547
1548 memset(&cp, 0, sizeof(cp));
1549
1550 bacpy(&cp.bdaddr, &e->data.bdaddr);
1551 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1552 cp.pscan_mode = e->data.pscan_mode;
1553 cp.clock_offset = e->data.clock_offset;
1554
1555 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1556}
1557
b644ba33 1558static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1559{
1560 struct discovery_state *discov = &hdev->discovery;
1561 struct inquiry_entry *e;
1562
b644ba33
JH		 1563 if (list_empty(&discov->resolve))
1564 return false;
1565
1566 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1567 if (!e)
1568 return false;
1569
b644ba33
JH		 1570 if (hci_resolve_name(hdev, e) == 0) {
1571 e->name_state = NAME_PENDING;
1572 return true;
1573 }
1574
1575 return false;
1576}
1577
1578static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1579 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1580{
1581 struct discovery_state *discov = &hdev->discovery;
1582 struct inquiry_entry *e;
1583
1584 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 1585 mgmt_device_connected(hdev, conn, 0, name, name_len);
b644ba33
JH		 1586
1587 if (discov->state == DISCOVERY_STOPPED)
1588 return;
1589
30dc78e1
JH		 1590 if (discov->state == DISCOVERY_STOPPING)
1591 goto discov_complete;
1592
1593 if (discov->state != DISCOVERY_RESOLVING)
1594 return;
1595
1596 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1597 /* If the device was not found in a list of found devices names of which
1598 * are pending. there is no need to continue resolving a next name as it
1599 * will be done upon receiving another Remote Name Request Complete
1600 * Event */
1601 if (!e)
1602 return;
1603
1604 list_del(&e->list);
1605 if (name) {
30dc78e1 1606 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1607 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1608 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1609 } else {
1610 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1611 }
1612
b644ba33 1613 if (hci_resolve_next_name(hdev))
30dc78e1 1614 return;
30dc78e1
JH		 1615
1616discov_complete:
1617 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1618}
1619
a9de9248
MH		 1620static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1621{
127178d2
JH		 1622 struct hci_cp_remote_name_req *cp;
1623 struct hci_conn *conn;
1624
9f1db00c 1625 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1626
1627 /* If successful wait for the name req complete event before
1628 * checking for the need to do authentication */
1629 if (!status)
1630 return;
1631
1632 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1633 if (!cp)
1634 return;
1635
1636 hci_dev_lock(hdev);
1637
b644ba33
JH		 1638 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1639
a8b2d5c2 1640 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1641 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1642
79c6c70c
JH		 1643 if (!conn)
1644 goto unlock;
1645
1646 if (!hci_outgoing_auth_needed(hdev, conn))
1647 goto unlock;
1648
51a8efd7 1649 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1650 struct hci_cp_auth_requested auth_cp;
1651
977f8fce
JH		 1652 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1653
c1f23a2b
JB		 1654 auth_cp.handle = __cpu_to_le16(conn->handle);
1655 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1656 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1657 }
1658
79c6c70c 1659unlock:
127178d2 1660 hci_dev_unlock(hdev);
a9de9248 1661}
1da177e4 1662
769be974
MH		 1663static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1664{
1665 struct hci_cp_read_remote_features *cp;
1666 struct hci_conn *conn;
1667
9f1db00c 1668 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1669
1670 if (!status)
1671 return;
1672
1673 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1674 if (!cp)
1675 return;
1676
1677 hci_dev_lock(hdev);
1678
1679 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1680 if (conn) {
1681 if (conn->state == BT_CONFIG) {
769be974 1682 hci_proto_connect_cfm(conn, status);
76a68ba0 1683 hci_conn_drop(conn);
769be974
MH		 1684 }
1685 }
1686
1687 hci_dev_unlock(hdev);
1688}
1689
1690static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1691{
1692 struct hci_cp_read_remote_ext_features *cp;
1693 struct hci_conn *conn;
1694
9f1db00c 1695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1696
1697 if (!status)
1698 return;
1699
1700 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1701 if (!cp)
1702 return;
1703
1704 hci_dev_lock(hdev);
1705
1706 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1707 if (conn) {
1708 if (conn->state == BT_CONFIG) {
769be974 1709 hci_proto_connect_cfm(conn, status);
76a68ba0 1710 hci_conn_drop(conn);
769be974
MH		 1711 }
1712 }
1713
1714 hci_dev_unlock(hdev);
1715}
1716
a9de9248
MH		 1717static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1718{
b6a0dc82
MH		 1719 struct hci_cp_setup_sync_conn *cp;
1720 struct hci_conn *acl, *sco;
1721 __u16 handle;
1722
9f1db00c 1723 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1724
1725 if (!status)
1726 return;
1727
1728 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1729 if (!cp)
1730 return;
1731
1732 handle = __le16_to_cpu(cp->handle);
1733
9f1db00c 1734 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1735
1736 hci_dev_lock(hdev);
1737
1738 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1739 if (acl) {
1740 sco = acl->link;
1741 if (sco) {
1742 sco->state = BT_CLOSED;
b6a0dc82 1743
5a08ecce
AE		 1744 hci_proto_connect_cfm(sco, status);
1745 hci_conn_del(sco);
1746 }
b6a0dc82
MH		 1747 }
1748
1749 hci_dev_unlock(hdev);
1da177e4
LT		 1750}
1751
a9de9248 1752static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1753{
a9de9248
MH		 1754 struct hci_cp_sniff_mode *cp;
1755 struct hci_conn *conn;
1da177e4 1756
9f1db00c 1757 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1758
a9de9248
MH		 1759 if (!status)
1760 return;
04837f64 1761
a9de9248
MH		 1762 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1763 if (!cp)
1764 return;
04837f64 1765
a9de9248 1766 hci_dev_lock(hdev);
04837f64 1767
a9de9248 1768 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1769 if (conn) {
51a8efd7 1770 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1771
51a8efd7 1772 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1773 hci_sco_setup(conn, status);
1774 }
1775
a9de9248
MH		 1776 hci_dev_unlock(hdev);
1777}
04837f64 1778
a9de9248
MH		 1779static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1780{
1781 struct hci_cp_exit_sniff_mode *cp;
1782 struct hci_conn *conn;
04837f64 1783
9f1db00c 1784 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1785
a9de9248
MH		 1786 if (!status)
1787 return;
04837f64 1788
a9de9248
MH		 1789 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1790 if (!cp)
1791 return;
04837f64 1792
a9de9248 1793 hci_dev_lock(hdev);
1da177e4 1794
a9de9248 1795 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1796 if (conn) {
51a8efd7 1797 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1798
51a8efd7 1799 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1800 hci_sco_setup(conn, status);
1801 }
1802
a9de9248 1803 hci_dev_unlock(hdev);
1da177e4
LT		 1804}
1805
88c3df13
JH		 1806static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1807{
1808 struct hci_cp_disconnect *cp;
1809 struct hci_conn *conn;
1810
1811 if (!status)
1812 return;
1813
1814 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1815 if (!cp)
1816 return;
1817
1818 hci_dev_lock(hdev);
1819
1820 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1821 if (conn)
1822 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1823 conn->dst_type, status);
88c3df13
JH		 1824
1825 hci_dev_unlock(hdev);
1826}
1827
a02226d6
AE		 1828static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1829{
93c284ee
AE		 1830 struct hci_cp_create_phy_link *cp;
1831
a02226d6 1832 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1833
93c284ee
AE		 1834 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1835 if (!cp)
1836 return;
1837
e58917b9
AE		 1838 hci_dev_lock(hdev);
1839
1840 if (status) {
1841 struct hci_conn *hcon;
1842
1843 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1844 if (hcon)
1845 hci_conn_del(hcon);
1846 } else {
1847 amp_write_remote_assoc(hdev, cp->phy_handle);
1848 }
1849
1850 hci_dev_unlock(hdev);
a02226d6
AE		 1851}
1852
0b26ab9d
AE		 1853static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1854{
1855 struct hci_cp_accept_phy_link *cp;
1856
1857 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1858
1859 if (status)
1860 return;
1861
1862 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1863 if (!cp)
1864 return;
1865
1866 amp_write_remote_assoc(hdev, cp->phy_handle);
1867}
1868
cb1d68f7
JH		 1869static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1870{
1871 struct hci_cp_le_create_conn *cp;
1872 struct hci_conn *conn;
1873
1874 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1875
1876 /* All connection failure handling is taken care of by the
1877 * hci_le_conn_failed function which is triggered by the HCI
1878 * request completion callbacks used for connecting.
1879 */
1880 if (status)
1881 return;
1882
1883 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1884 if (!cp)
1885 return;
1886
1887 hci_dev_lock(hdev);
1888
1889 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1890 if (!conn)
1891 goto unlock;
1892
1893 /* Store the initiator and responder address information which
1894 * is needed for SMP. These values will not change during the
1895 * lifetime of the connection.
1896 */
1897 conn->init_addr_type = cp->own_address_type;
1898 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1899 bacpy(&conn->init_addr, &hdev->random_addr);
1900 else
1901 bacpy(&conn->init_addr, &hdev->bdaddr);
1902
1903 conn->resp_addr_type = cp->peer_addr_type;
1904 bacpy(&conn->resp_addr, &cp->peer_addr);
1905
9489eca4
JH		 1906 /* We don't want the connection attempt to stick around
1907 * indefinitely since LE doesn't have a page timeout concept
1908 * like BR/EDR. Set a timer for any connection that doesn't use
1909 * the white list for connecting.
1910 */
1911 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1912 queue_delayed_work(conn->hdev->workqueue,
1913 &conn->le_conn_timeout,
09ae260b 1914 conn->conn_timeout);
9489eca4 1915
cb1d68f7
JH		 1916unlock:
1917 hci_dev_unlock(hdev);
1918}
1919
81d0c8ad
JH		 1920static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1921{
1922 struct hci_cp_le_start_enc *cp;
1923 struct hci_conn *conn;
1924
1925 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1926
1927 if (!status)
1928 return;
1929
1930 hci_dev_lock(hdev);
1931
1932 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1933 if (!cp)
1934 goto unlock;
1935
1936 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1937 if (!conn)
1938 goto unlock;
1939
1940 if (conn->state != BT_CONNECTED)
1941 goto unlock;
1942
1943 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1944 hci_conn_drop(conn);
1945
1946unlock:
1947 hci_dev_unlock(hdev);
1948}
1949
6039aa73 1950static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1951{
1952 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1953 struct discovery_state *discov = &hdev->discovery;
1954 struct inquiry_entry *e;
1da177e4 1955
9f1db00c 1956 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1957
a9de9248 1958 hci_conn_check_pending(hdev);
89352e7d
AG		 1959
1960 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1961 return;
1962
4e857c58 1963 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1964 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1965
a8b2d5c2 1966 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1967 return;
1968
56e5cb86 1969 hci_dev_lock(hdev);
30dc78e1 1970
343f935b 1971 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1972 goto unlock;
1973
1974 if (list_empty(&discov->resolve)) {
1975 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1976 goto unlock;
1977 }
1978
1979 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1980 if (e && hci_resolve_name(hdev, e) == 0) {
1981 e->name_state = NAME_PENDING;
1982 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1983 } else {
1984 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1985 }
1986
1987unlock:
56e5cb86 1988 hci_dev_unlock(hdev);
1da177e4
LT		 1989}
1990
6039aa73 1991static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1992{
45bb4bf0 1993 struct inquiry_data data;
a9de9248 1994 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1995 int num_rsp = *((__u8 *) skb->data);
1996
1997 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1998
45bb4bf0
MH		 1999 if (!num_rsp)
2000 return;
2001
1519cc17
AG		 2002 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2003 return;
2004
1da177e4 2005 hci_dev_lock(hdev);
45bb4bf0 2006
e17acd40 2007 for (; num_rsp; num_rsp--, info++) {
af58925c 2008 u32 flags;
3175405b 2009
1da177e4
LT		 2010 bacpy(&data.bdaddr, &info->bdaddr);
2011 data.pscan_rep_mode = info->pscan_rep_mode;
2012 data.pscan_period_mode = info->pscan_period_mode;
2013 data.pscan_mode = info->pscan_mode;
2014 memcpy(data.dev_class, info->dev_class, 3);
2015 data.clock_offset = info->clock_offset;
2016 data.rssi = 0x00;
41a96212 2017 data.ssp_mode = 0x00;
3175405b 2018
af58925c
MH		 2019 flags = hci_inquiry_cache_update(hdev, &data, false);
2020
48264f06 2021 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2022 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2023 }
45bb4bf0 2024
1da177e4
LT		 2025 hci_dev_unlock(hdev);
2026}
2027
6039aa73 2028static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2029{
a9de9248
MH		 2030 struct hci_ev_conn_complete *ev = (void *) skb->data;
2031 struct hci_conn *conn;
1da177e4
LT		 2032
2033 BT_DBG("%s", hdev->name);
2034
2035 hci_dev_lock(hdev);
2036
2037 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2038 if (!conn) {
2039 if (ev->link_type != SCO_LINK)
2040 goto unlock;
2041
2042 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2043 if (!conn)
2044 goto unlock;
2045
2046 conn->type = SCO_LINK;
2047 }
1da177e4
LT		 2048
2049 if (!ev->status) {
2050 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2051
2052 if (conn->type == ACL_LINK) {
2053 conn->state = BT_CONFIG;
2054 hci_conn_hold(conn);
a9ea3ed9
SJ		 2055
2056 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2057 !hci_find_link_key(hdev, &ev->bdaddr))
2058 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2059 else
2060 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2061 } else
2062 conn->state = BT_CONNECTED;
1da177e4 2063
7d0db0a3
MH		 2064 hci_conn_add_sysfs(conn);
2065
1da177e4 2066 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2067 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2068
2069 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2070 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2071
04837f64
MH		 2072 /* Get remote features */
2073 if (conn->type == ACL_LINK) {
2074 struct hci_cp_read_remote_features cp;
2075 cp.handle = ev->handle;
769be974 2076 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2077 sizeof(cp), &cp);
22f433dc
JH		 2078
2079 hci_update_page_scan(hdev, NULL);
04837f64
MH		 2080 }
2081
1da177e4 2082 /* Set packet type for incoming connection */
d095c1eb 2083 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2084 struct hci_cp_change_conn_ptype cp;
2085 cp.handle = ev->handle;
a8746417 2086 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2087 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2088 &cp);
1da177e4 2089 }
17d5c04c 2090 } else {
1da177e4 2091 conn->state = BT_CLOSED;
17d5c04c 2092 if (conn->type == ACL_LINK)
64c7b77c 2093 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2094 conn->dst_type, ev->status);
17d5c04c 2095 }
1da177e4 2096
e73439d8
MH		 2097 if (conn->type == ACL_LINK)
2098 hci_sco_setup(conn, ev->status);
1da177e4 2099
769be974
MH		 2100 if (ev->status) {
2101 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2102 hci_conn_del(conn);
c89b6e6b
MH		 2103 } else if (ev->link_type != ACL_LINK)
2104 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2105
a9de9248 2106unlock:
1da177e4 2107 hci_dev_unlock(hdev);
1da177e4 2108
a9de9248 2109 hci_conn_check_pending(hdev);
1da177e4
LT		 2110}
2111
70c46425
JH		 2112static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2113{
2114 struct hci_cp_reject_conn_req cp;
2115
2116 bacpy(&cp.bdaddr, bdaddr);
2117 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2118 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2119}
2120
6039aa73 2121static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2122{
a9de9248
MH		 2123 struct hci_ev_conn_request *ev = (void *) skb->data;
2124 int mask = hdev->link_mode;
70c46425
JH		 2125 struct inquiry_entry *ie;
2126 struct hci_conn *conn;
20714bfe 2127 __u8 flags = 0;
1da177e4 2128
6ed93dc6 2129 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2130 ev->link_type);
1da177e4 2131
20714bfe
FD		 2132 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2133 &flags);
1da177e4 2134
70c46425
JH		 2135 if (!(mask & HCI_LM_ACCEPT)) {
2136 hci_reject_conn(hdev, &ev->bdaddr);
2137 return;
2138 }
2139
46c4c941
JH		 2140 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2141 BDADDR_BREDR)) {
2142 hci_reject_conn(hdev, &ev->bdaddr);
2143 return;
2144 }
2145
2146 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2147 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2148 BDADDR_BREDR)) {
2149 hci_reject_conn(hdev, &ev->bdaddr);
2150 return;
70c46425 2151 }
1da177e4 2152
70c46425 2153 /* Connection accepted */
b6a0dc82 2154
70c46425
JH		 2155 hci_dev_lock(hdev);
2156
2157 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2158 if (ie)
2159 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2160
70c46425
JH		 2161 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2162 &ev->bdaddr);
2163 if (!conn) {
a5c4e309
JH		 2164 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2165 HCI_ROLE_SLAVE);
a9de9248 2166 if (!conn) {
70c46425
JH		 2167 BT_ERR("No memory for new connection");
2168 hci_dev_unlock(hdev);
2169 return;
1da177e4 2170 }
70c46425 2171 }
b6a0dc82 2172
70c46425 2173 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2174
70c46425 2175 hci_dev_unlock(hdev);
1da177e4 2176
70c46425
JH		 2177 if (ev->link_type == ACL_LINK ||
2178 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2179 struct hci_cp_accept_conn_req cp;
2180 conn->state = BT_CONNECT;
1da177e4 2181
70c46425 2182 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2183
70c46425
JH		 2184 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2185 cp.role = 0x00; /* Become master */
2186 else
2187 cp.role = 0x01; /* Remain slave */
b6a0dc82 2188
70c46425
JH		 2189 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2190 } else if (!(flags & HCI_PROTO_DEFER)) {
2191 struct hci_cp_accept_sync_conn_req cp;
2192 conn->state = BT_CONNECT;
b6a0dc82 2193
70c46425
JH		 2194 bacpy(&cp.bdaddr, &ev->bdaddr);
2195 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2196
70c46425
JH		 2197 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2198 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2199 cp.max_latency = cpu_to_le16(0xffff);
2200 cp.content_format = cpu_to_le16(hdev->voice_setting);
2201 cp.retrans_effort = 0xff;
1da177e4 2202
70c46425
JH		 2203 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2204 &cp);
a9de9248 2205 } else {
70c46425
JH		 2206 conn->state = BT_CONNECT2;
2207 hci_proto_connect_cfm(conn, 0);
1da177e4 2208 }
1da177e4
LT		 2209}
2210
f0d6a0ea
MA		 2211static u8 hci_to_mgmt_reason(u8 err)
2212{
2213 switch (err) {
2214 case HCI_ERROR_CONNECTION_TIMEOUT:
2215 return MGMT_DEV_DISCONN_TIMEOUT;
2216 case HCI_ERROR_REMOTE_USER_TERM:
2217 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2218 case HCI_ERROR_REMOTE_POWER_OFF:
2219 return MGMT_DEV_DISCONN_REMOTE;
2220 case HCI_ERROR_LOCAL_HOST_TERM:
2221 return MGMT_DEV_DISCONN_LOCAL_HOST;
2222 default:
2223 return MGMT_DEV_DISCONN_UNKNOWN;
2224 }
2225}
2226
6039aa73 2227static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2228{
a9de9248 2229 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2230 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2231 struct hci_conn_params *params;
04837f64 2232 struct hci_conn *conn;
12d4a3b2 2233 bool mgmt_connected;
3846220b 2234 u8 type;
04837f64 2235
9f1db00c 2236 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2237
2238 hci_dev_lock(hdev);
2239
2240 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2241 if (!conn)
2242 goto unlock;
7d0db0a3 2243
abf54a50
AG		 2244 if (ev->status) {
2245 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2246 conn->dst_type, ev->status);
2247 goto unlock;
37d9ef76 2248 }
f7520543 2249
3846220b
AG		 2250 conn->state = BT_CLOSED;
2251
12d4a3b2
JH		 2252 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2253 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2254 reason, mgmt_connected);
abf54a50 2255
22f433dc
JH		 2256 if (conn->type == ACL_LINK) {
2257 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2258 hci_remove_link_key(hdev, &conn->dst);
2259
2260 hci_update_page_scan(hdev, NULL);
2261 }
2210246c 2262
9fcb18ef
AG		 2263 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2264 if (params) {
2265 switch (params->auto_connect) {
2266 case HCI_AUTO_CONN_LINK_LOSS:
2267 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2268 break;
2269 /* Fall through */
2270
4b9e7e75 2271 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2272 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2273 list_del_init(&params->action);
2274 list_add(&params->action, &hdev->pend_le_conns);
2275 hci_update_background_scan(hdev);
9fcb18ef
AG		 2276 break;
2277
2278 default:
2279 break;
2280 }
2281 }
2282
3846220b 2283 type = conn->type;
2210246c 2284
3846220b
AG		 2285 hci_proto_disconn_cfm(conn, ev->reason);
2286 hci_conn_del(conn);
2287
2288 /* Re-enable advertising if necessary, since it might
2289 * have been disabled by the connection. From the
2290 * HCI_LE_Set_Advertise_Enable command description in
2291 * the core specification (v4.0):
2292 * "The Controller shall continue advertising until the Host
2293 * issues an LE_Set_Advertise_Enable command with
2294 * Advertising_Enable set to 0x00 (Advertising is disabled)
2295 * or until a connection is created or until the Advertising
2296 * is timed out due to Directed Advertising."
2297 */
2298 if (type == LE_LINK)
2299 mgmt_reenable_advertising(hdev);
f7520543
JH		 2300
2301unlock:
04837f64
MH		 2302 hci_dev_unlock(hdev);
2303}
2304
6039aa73 2305static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2306{
a9de9248 2307 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2308 struct hci_conn *conn;
1da177e4 2309
9f1db00c 2310 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2311
2312 hci_dev_lock(hdev);
2313
04837f64 2314 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2315 if (!conn)
2316 goto unlock;
2317
2318 if (!ev->status) {
aa64a8b5 2319 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2320 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2321 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2322 } else {
4dae2798 2323 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2324 conn->sec_level = conn->pending_sec_level;
2a611692 2325 }
d7556e20 2326 } else {
e1e930f5 2327 mgmt_auth_failed(conn, ev->status);
d7556e20 2328 }
1da177e4 2329
51a8efd7
JH		 2330 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2331 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2332
d7556e20 2333 if (conn->state == BT_CONFIG) {
aa64a8b5 2334 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2335 struct hci_cp_set_conn_encrypt cp;
2336 cp.handle = ev->handle;
2337 cp.encrypt = 0x01;
2338 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2339 &cp);
052b30b0 2340 } else {
d7556e20
WR		 2341 conn->state = BT_CONNECTED;
2342 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2343 hci_conn_drop(conn);
052b30b0 2344 }
d7556e20
WR		 2345 } else {
2346 hci_auth_cfm(conn, ev->status);
052b30b0 2347
d7556e20
WR		 2348 hci_conn_hold(conn);
2349 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2350 hci_conn_drop(conn);
d7556e20
WR		 2351 }
2352
51a8efd7 2353 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2354 if (!ev->status) {
2355 struct hci_cp_set_conn_encrypt cp;
2356 cp.handle = ev->handle;
2357 cp.encrypt = 0x01;
2358 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2359 &cp);
d7556e20 2360 } else {
51a8efd7 2361 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2362 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2363 }
2364 }
2365
d7556e20 2366unlock:
1da177e4
LT		 2367 hci_dev_unlock(hdev);
2368}
2369
6039aa73 2370static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2371{
127178d2
JH		 2372 struct hci_ev_remote_name *ev = (void *) skb->data;
2373 struct hci_conn *conn;
2374
a9de9248 2375 BT_DBG("%s", hdev->name);
1da177e4 2376
a9de9248 2377 hci_conn_check_pending(hdev);
127178d2
JH		 2378
2379 hci_dev_lock(hdev);
2380
b644ba33 2381 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2382
b644ba33
JH		 2383 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2384 goto check_auth;
a88a9652 2385
b644ba33
JH		 2386 if (ev->status == 0)
2387 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2388 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2389 else
2390 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2391
2392check_auth:
79c6c70c
JH		 2393 if (!conn)
2394 goto unlock;
2395
2396 if (!hci_outgoing_auth_needed(hdev, conn))
2397 goto unlock;
2398
51a8efd7 2399 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2400 struct hci_cp_auth_requested cp;
977f8fce
JH		 2401
2402 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2403
127178d2
JH		 2404 cp.handle = __cpu_to_le16(conn->handle);
2405 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2406 }
2407
79c6c70c 2408unlock:
127178d2 2409 hci_dev_unlock(hdev);
a9de9248
MH		 2410}
2411
6039aa73 2412static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2413{
2414 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2415 struct hci_conn *conn;
2416
9f1db00c 2417 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2418
2419 hci_dev_lock(hdev);
2420
04837f64 2421 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2422 if (!conn)
2423 goto unlock;
1da177e4 2424
dc8357cc
MH		 2425 if (!ev->status) {
2426 if (ev->encrypt) {
2427 /* Encryption implies authentication */
4dae2798
JH		 2428 set_bit(HCI_CONN_AUTH, &conn->flags);
2429 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2430 conn->sec_level = conn->pending_sec_level;
abf76bad 2431
914a6ffe
MH		 2432 /* P-256 authentication key implies FIPS */
2433 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2434 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2435
abf76bad
MH		 2436 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2437 conn->type == LE_LINK)
2438 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2439 } else {
4dae2798 2440 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2441 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2442 }
dc8357cc 2443 }
a7d7723a 2444
7ed3fa20
JH		 2445 /* We should disregard the current RPA and generate a new one
2446 * whenever the encryption procedure fails.
2447 */
2448 if (ev->status && conn->type == LE_LINK)
2449 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2450
dc8357cc 2451 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2452
dc8357cc
MH		 2453 if (ev->status && conn->state == BT_CONNECTED) {
2454 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2455 hci_conn_drop(conn);
2456 goto unlock;
1da177e4
LT		 2457 }
2458
dc8357cc
MH		 2459 if (conn->state == BT_CONFIG) {
2460 if (!ev->status)
2461 conn->state = BT_CONNECTED;
2462
40b552aa
MH		 2463 /* In Secure Connections Only mode, do not allow any
2464 * connections that are not encrypted with AES-CCM
2465 * using a P-256 authenticated combination key.
2466 */
2467 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2468 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2469 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2470 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2471 hci_conn_drop(conn);
2472 goto unlock;
2473 }
2474
dc8357cc
MH		 2475 hci_proto_connect_cfm(conn, ev->status);
2476 hci_conn_drop(conn);
2477 } else
2478 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2479
a7d7723a 2480unlock:
1da177e4
LT		 2481 hci_dev_unlock(hdev);
2482}
2483
6039aa73
GP		 2484static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2485 struct sk_buff *skb)
1da177e4 2486{
a9de9248 2487 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2488 struct hci_conn *conn;
1da177e4 2489
9f1db00c 2490 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2491
2492 hci_dev_lock(hdev);
2493
04837f64 2494 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2495 if (conn) {
2496 if (!ev->status)
4dae2798 2497 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2498
51a8efd7 2499 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2500
2501 hci_key_change_cfm(conn, ev->status);
2502 }
2503
2504 hci_dev_unlock(hdev);
2505}
2506
6039aa73
GP		 2507static void hci_remote_features_evt(struct hci_dev *hdev,
2508 struct sk_buff *skb)
1da177e4 2509{
a9de9248
MH		 2510 struct hci_ev_remote_features *ev = (void *) skb->data;
2511 struct hci_conn *conn;
2512
9f1db00c 2513 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2514
a9de9248
MH		 2515 hci_dev_lock(hdev);
2516
2517 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2518 if (!conn)
2519 goto unlock;
769be974 2520
ccd556fe 2521 if (!ev->status)
cad718ed 2522 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2523
2524 if (conn->state != BT_CONFIG)
2525 goto unlock;
2526
2527 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2528 struct hci_cp_read_remote_ext_features cp;
2529 cp.handle = ev->handle;
2530 cp.page = 0x01;
2531 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2532 sizeof(cp), &cp);
392599b9
JH		 2533 goto unlock;
2534 }
2535
671267bf 2536 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2537 struct hci_cp_remote_name_req cp;
2538 memset(&cp, 0, sizeof(cp));
2539 bacpy(&cp.bdaddr, &conn->dst);
2540 cp.pscan_rep_mode = 0x02;
2541 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2542 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2543 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2544
127178d2 2545 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2546 conn->state = BT_CONNECTED;
2547 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2548 hci_conn_drop(conn);
769be974 2549 }
a9de9248 2550
ccd556fe 2551unlock:
a9de9248 2552 hci_dev_unlock(hdev);
1da177e4
LT		 2553}
2554
6039aa73 2555static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2556{
2557 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2558 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2559 __u16 opcode;
2560
2561 skb_pull(skb, sizeof(*ev));
2562
2563 opcode = __le16_to_cpu(ev->opcode);
2564
2565 switch (opcode) {
2566 case HCI_OP_INQUIRY_CANCEL:
2567 hci_cc_inquiry_cancel(hdev, skb);
2568 break;
2569
4d93483b
AG		 2570 case HCI_OP_PERIODIC_INQ:
2571 hci_cc_periodic_inq(hdev, skb);
2572 break;
2573
a9de9248
MH		 2574 case HCI_OP_EXIT_PERIODIC_INQ:
2575 hci_cc_exit_periodic_inq(hdev, skb);
2576 break;
2577
2578 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2579 hci_cc_remote_name_req_cancel(hdev, skb);
2580 break;
2581
2582 case HCI_OP_ROLE_DISCOVERY:
2583 hci_cc_role_discovery(hdev, skb);
2584 break;
2585
e4e8e37c
MH		 2586 case HCI_OP_READ_LINK_POLICY:
2587 hci_cc_read_link_policy(hdev, skb);
2588 break;
2589
a9de9248
MH		 2590 case HCI_OP_WRITE_LINK_POLICY:
2591 hci_cc_write_link_policy(hdev, skb);
2592 break;
2593
e4e8e37c
MH		 2594 case HCI_OP_READ_DEF_LINK_POLICY:
2595 hci_cc_read_def_link_policy(hdev, skb);
2596 break;
2597
2598 case HCI_OP_WRITE_DEF_LINK_POLICY:
2599 hci_cc_write_def_link_policy(hdev, skb);
2600 break;
2601
a9de9248
MH		 2602 case HCI_OP_RESET:
2603 hci_cc_reset(hdev, skb);
2604 break;
2605
2606 case HCI_OP_WRITE_LOCAL_NAME:
2607 hci_cc_write_local_name(hdev, skb);
2608 break;
2609
2610 case HCI_OP_READ_LOCAL_NAME:
2611 hci_cc_read_local_name(hdev, skb);
2612 break;
2613
2614 case HCI_OP_WRITE_AUTH_ENABLE:
2615 hci_cc_write_auth_enable(hdev, skb);
2616 break;
2617
2618 case HCI_OP_WRITE_ENCRYPT_MODE:
2619 hci_cc_write_encrypt_mode(hdev, skb);
2620 break;
2621
2622 case HCI_OP_WRITE_SCAN_ENABLE:
2623 hci_cc_write_scan_enable(hdev, skb);
2624 break;
2625
2626 case HCI_OP_READ_CLASS_OF_DEV:
2627 hci_cc_read_class_of_dev(hdev, skb);
2628 break;
2629
2630 case HCI_OP_WRITE_CLASS_OF_DEV:
2631 hci_cc_write_class_of_dev(hdev, skb);
2632 break;
2633
2634 case HCI_OP_READ_VOICE_SETTING:
2635 hci_cc_read_voice_setting(hdev, skb);
2636 break;
2637
2638 case HCI_OP_WRITE_VOICE_SETTING:
2639 hci_cc_write_voice_setting(hdev, skb);
2640 break;
2641
b4cb9fb2
MH		 2642 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2643 hci_cc_read_num_supported_iac(hdev, skb);
2644 break;
2645
333140b5
MH		 2646 case HCI_OP_WRITE_SSP_MODE:
2647 hci_cc_write_ssp_mode(hdev, skb);
2648 break;
2649
eac83dc6
MH		 2650 case HCI_OP_WRITE_SC_SUPPORT:
2651 hci_cc_write_sc_support(hdev, skb);
2652 break;
2653
a9de9248
MH		 2654 case HCI_OP_READ_LOCAL_VERSION:
2655 hci_cc_read_local_version(hdev, skb);
2656 break;
2657
2658 case HCI_OP_READ_LOCAL_COMMANDS:
2659 hci_cc_read_local_commands(hdev, skb);
2660 break;
2661
2662 case HCI_OP_READ_LOCAL_FEATURES:
2663 hci_cc_read_local_features(hdev, skb);
2664 break;
2665
971e3a4b
AG		 2666 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2667 hci_cc_read_local_ext_features(hdev, skb);
2668 break;
2669
a9de9248
MH		 2670 case HCI_OP_READ_BUFFER_SIZE:
2671 hci_cc_read_buffer_size(hdev, skb);
2672 break;
2673
2674 case HCI_OP_READ_BD_ADDR:
2675 hci_cc_read_bd_addr(hdev, skb);
2676 break;
2677
f332ec66
JH		 2678 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2679 hci_cc_read_page_scan_activity(hdev, skb);
2680 break;
2681
4a3ee763
JH		 2682 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2683 hci_cc_write_page_scan_activity(hdev, skb);
2684 break;
2685
f332ec66
JH		 2686 case HCI_OP_READ_PAGE_SCAN_TYPE:
2687 hci_cc_read_page_scan_type(hdev, skb);
2688 break;
2689
4a3ee763
JH		 2690 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2691 hci_cc_write_page_scan_type(hdev, skb);
2692 break;
2693
350ee4cf
AE		 2694 case HCI_OP_READ_DATA_BLOCK_SIZE:
2695 hci_cc_read_data_block_size(hdev, skb);
2696 break;
2697
1e89cffb
AE		 2698 case HCI_OP_READ_FLOW_CONTROL_MODE:
2699 hci_cc_read_flow_control_mode(hdev, skb);
2700 break;
2701
928abaa7
AE		 2702 case HCI_OP_READ_LOCAL_AMP_INFO:
2703 hci_cc_read_local_amp_info(hdev, skb);
2704 break;
2705
33f35721
JH		 2706 case HCI_OP_READ_CLOCK:
2707 hci_cc_read_clock(hdev, skb);
2708 break;
2709
903e4541
AE		 2710 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2711 hci_cc_read_local_amp_assoc(hdev, skb);
2712 break;
2713
d5859e22
JH		 2714 case HCI_OP_READ_INQ_RSP_TX_POWER:
2715 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2716 break;
2717
980e1a53
JH		 2718 case HCI_OP_PIN_CODE_REPLY:
2719 hci_cc_pin_code_reply(hdev, skb);
2720 break;
2721
2722 case HCI_OP_PIN_CODE_NEG_REPLY:
2723 hci_cc_pin_code_neg_reply(hdev, skb);
2724 break;
2725
c35938b2 2726 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2727 hci_cc_read_local_oob_data(hdev, skb);
2728 break;
2729
2730 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2731 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2732 break;
2733
6ed58ec5
VT		 2734 case HCI_OP_LE_READ_BUFFER_SIZE:
2735 hci_cc_le_read_buffer_size(hdev, skb);
2736 break;
2737
60e77321
JH		 2738 case HCI_OP_LE_READ_LOCAL_FEATURES:
2739 hci_cc_le_read_local_features(hdev, skb);
2740 break;
2741
8fa19098
JH		 2742 case HCI_OP_LE_READ_ADV_TX_POWER:
2743 hci_cc_le_read_adv_tx_power(hdev, skb);
2744 break;
2745
a5c29683
JH		 2746 case HCI_OP_USER_CONFIRM_REPLY:
2747 hci_cc_user_confirm_reply(hdev, skb);
2748 break;
2749
2750 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2751 hci_cc_user_confirm_neg_reply(hdev, skb);
2752 break;
2753
1143d458
BG		 2754 case HCI_OP_USER_PASSKEY_REPLY:
2755 hci_cc_user_passkey_reply(hdev, skb);
2756 break;
2757
2758 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2759 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2760 break;
07f7fa5d 2761
7a4cd51d
MH		 2762 case HCI_OP_LE_SET_RANDOM_ADDR:
2763 hci_cc_le_set_random_addr(hdev, skb);
2764 break;
2765
c1d5dc4a
JH		 2766 case HCI_OP_LE_SET_ADV_ENABLE:
2767 hci_cc_le_set_adv_enable(hdev, skb);
2768 break;
2769
533553f8
MH		 2770 case HCI_OP_LE_SET_SCAN_PARAM:
2771 hci_cc_le_set_scan_param(hdev, skb);
2772 break;
2773
eb9d91f5
AG		 2774 case HCI_OP_LE_SET_SCAN_ENABLE:
2775 hci_cc_le_set_scan_enable(hdev, skb);
2776 break;
2777
cf1d081f
JH		 2778 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2779 hci_cc_le_read_white_list_size(hdev, skb);
2780 break;
2781
0f36b589
MH		 2782 case HCI_OP_LE_CLEAR_WHITE_LIST:
2783 hci_cc_le_clear_white_list(hdev, skb);
2784 break;
2785
2786 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2787 hci_cc_le_add_to_white_list(hdev, skb);
2788 break;
2789
2790 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2791 hci_cc_le_del_from_white_list(hdev, skb);
2792 break;
2793
9b008c04
JH		 2794 case HCI_OP_LE_READ_SUPPORTED_STATES:
2795 hci_cc_le_read_supported_states(hdev, skb);
2796 break;
2797
f9b49306
AG		 2798 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2799 hci_cc_write_le_host_supported(hdev, skb);
2800 break;
2801
56ed2cb8
JH		 2802 case HCI_OP_LE_SET_ADV_PARAM:
2803 hci_cc_set_adv_param(hdev, skb);
2804 break;
2805
93c284ee
AE		 2806 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2807 hci_cc_write_remote_amp_assoc(hdev, skb);
2808 break;
2809
5ae76a94
AK		 2810 case HCI_OP_READ_RSSI:
2811 hci_cc_read_rssi(hdev, skb);
2812 break;
2813
5a134fae
AK		 2814 case HCI_OP_READ_TX_POWER:
2815 hci_cc_read_tx_power(hdev, skb);
2816 break;
2817
a9de9248 2818 default:
9f1db00c 2819 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2820 break;
2821 }
2822
ad82cdd1 2823 if (opcode != HCI_OP_NOP)
65cc2b49 2824 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2825
ad82cdd1 2826 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2827
dbccd791 2828 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2829 atomic_set(&hdev->cmd_cnt, 1);
2830 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2831 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2832 }
2833}
2834
6039aa73 2835static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2836{
2837 struct hci_ev_cmd_status *ev = (void *) skb->data;
2838 __u16 opcode;
2839
2840 skb_pull(skb, sizeof(*ev));
2841
2842 opcode = __le16_to_cpu(ev->opcode);
2843
2844 switch (opcode) {
2845 case HCI_OP_INQUIRY:
2846 hci_cs_inquiry(hdev, ev->status);
2847 break;
2848
2849 case HCI_OP_CREATE_CONN:
2850 hci_cs_create_conn(hdev, ev->status);
2851 break;
2852
2853 case HCI_OP_ADD_SCO:
2854 hci_cs_add_sco(hdev, ev->status);
2855 break;
2856
f8558555
MH		 2857 case HCI_OP_AUTH_REQUESTED:
2858 hci_cs_auth_requested(hdev, ev->status);
2859 break;
2860
2861 case HCI_OP_SET_CONN_ENCRYPT:
2862 hci_cs_set_conn_encrypt(hdev, ev->status);
2863 break;
2864
a9de9248
MH		 2865 case HCI_OP_REMOTE_NAME_REQ:
2866 hci_cs_remote_name_req(hdev, ev->status);
2867 break;
2868
769be974
MH		 2869 case HCI_OP_READ_REMOTE_FEATURES:
2870 hci_cs_read_remote_features(hdev, ev->status);
2871 break;
2872
2873 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2874 hci_cs_read_remote_ext_features(hdev, ev->status);
2875 break;
2876
a9de9248
MH		 2877 case HCI_OP_SETUP_SYNC_CONN:
2878 hci_cs_setup_sync_conn(hdev, ev->status);
2879 break;
2880
2881 case HCI_OP_SNIFF_MODE:
2882 hci_cs_sniff_mode(hdev, ev->status);
2883 break;
2884
2885 case HCI_OP_EXIT_SNIFF_MODE:
2886 hci_cs_exit_sniff_mode(hdev, ev->status);
2887 break;
2888
8962ee74 2889 case HCI_OP_DISCONNECT:
88c3df13 2890 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2891 break;
2892
a02226d6
AE		 2893 case HCI_OP_CREATE_PHY_LINK:
2894 hci_cs_create_phylink(hdev, ev->status);
2895 break;
2896
0b26ab9d
AE		 2897 case HCI_OP_ACCEPT_PHY_LINK:
2898 hci_cs_accept_phylink(hdev, ev->status);
2899 break;
2900
cb1d68f7
JH		 2901 case HCI_OP_LE_CREATE_CONN:
2902 hci_cs_le_create_conn(hdev, ev->status);
2903 break;
2904
81d0c8ad
JH		 2905 case HCI_OP_LE_START_ENC:
2906 hci_cs_le_start_enc(hdev, ev->status);
2907 break;
2908
a9de9248 2909 default:
9f1db00c 2910 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2911 break;
2912 }
2913
ad82cdd1 2914 if (opcode != HCI_OP_NOP)
65cc2b49 2915 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2916
02350a72
JH		 2917 if (ev->status ||
2918 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2919 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2920
10572132 2921 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2922 atomic_set(&hdev->cmd_cnt, 1);
2923 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2924 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2925 }
2926}
2927
6039aa73 2928static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2929{
2930 struct hci_ev_role_change *ev = (void *) skb->data;
2931 struct hci_conn *conn;
2932
9f1db00c 2933 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2934
2935 hci_dev_lock(hdev);
2936
2937 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2938 if (conn) {
40bef302
JH		 2939 if (!ev->status)
2940 conn->role = ev->role;
a9de9248 2941
51a8efd7 2942 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2943
2944 hci_role_switch_cfm(conn, ev->status, ev->role);
2945 }
2946
2947 hci_dev_unlock(hdev);
2948}
2949
6039aa73 2950static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2951{
2952 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2953 int i;
2954
32ac5b9b
AE		 2955 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2956 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2957 return;
2958 }
2959
c5993de8 2960 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2961 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2962 BT_DBG("%s bad parameters", hdev->name);
2963 return;
2964 }
2965
c5993de8
AE		 2966 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2967
613a1c0c
AE		 2968 for (i = 0; i < ev->num_hndl; i++) {
2969 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2970 struct hci_conn *conn;
2971 __u16 handle, count;
2972
613a1c0c
AE		 2973 handle = __le16_to_cpu(info->handle);
2974 count = __le16_to_cpu(info->count);
a9de9248
MH		 2975
2976 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2977 if (!conn)
2978 continue;
2979
2980 conn->sent -= count;
2981
2982 switch (conn->type) {
2983 case ACL_LINK:
2984 hdev->acl_cnt += count;
2985 if (hdev->acl_cnt > hdev->acl_pkts)
2986 hdev->acl_cnt = hdev->acl_pkts;
2987 break;
2988
2989 case LE_LINK:
2990 if (hdev->le_pkts) {
2991 hdev->le_cnt += count;
2992 if (hdev->le_cnt > hdev->le_pkts)
2993 hdev->le_cnt = hdev->le_pkts;
2994 } else {
70f23020
AE		 2995 hdev->acl_cnt += count;
2996 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2997 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2998 }
f4280918
AE		 2999 break;
3000
3001 case SCO_LINK:
3002 hdev->sco_cnt += count;
3003 if (hdev->sco_cnt > hdev->sco_pkts)
3004 hdev->sco_cnt = hdev->sco_pkts;
3005 break;
3006
3007 default:
3008 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3009 break;
a9de9248
MH		 3010 }
3011 }
3012
3eff45ea 3013 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3014}
3015
76ef7cf7
AE		 3016static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3017 __u16 handle)
3018{
3019 struct hci_chan *chan;
3020
3021 switch (hdev->dev_type) {
3022 case HCI_BREDR:
3023 return hci_conn_hash_lookup_handle(hdev, handle);
3024 case HCI_AMP:
3025 chan = hci_chan_lookup_handle(hdev, handle);
3026 if (chan)
3027 return chan->conn;
3028 break;
3029 default:
3030 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3031 break;
3032 }
3033
3034 return NULL;
3035}
3036
6039aa73 3037static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3038{
3039 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3040 int i;
3041
3042 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3043 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3044 return;
3045 }
3046
3047 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3048 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3049 BT_DBG("%s bad parameters", hdev->name);
3050 return;
3051 }
3052
3053 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3054 ev->num_hndl);
25e89e99
AE		 3055
3056 for (i = 0; i < ev->num_hndl; i++) {
3057 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3058 struct hci_conn *conn = NULL;
25e89e99
AE		 3059 __u16 handle, block_count;
3060
3061 handle = __le16_to_cpu(info->handle);
3062 block_count = __le16_to_cpu(info->blocks);
3063
76ef7cf7 3064 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3065 if (!conn)
3066 continue;
3067
3068 conn->sent -= block_count;
3069
3070 switch (conn->type) {
3071 case ACL_LINK:
bd1eb66b 3072 case AMP_LINK:
25e89e99
AE		 3073 hdev->block_cnt += block_count;
3074 if (hdev->block_cnt > hdev->num_blocks)
3075 hdev->block_cnt = hdev->num_blocks;
3076 break;
3077
3078 default:
3079 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3080 break;
3081 }
3082 }
3083
3084 queue_work(hdev->workqueue, &hdev->tx_work);
3085}
3086
6039aa73 3087static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3088{
a9de9248 3089 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3090 struct hci_conn *conn;
3091
9f1db00c 3092 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3093
3094 hci_dev_lock(hdev);
3095
3096 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3097 if (conn) {
3098 conn->mode = ev->mode;
a9de9248 3099
8fc9ced3
GP		 3100 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3101 &conn->flags)) {
a9de9248 3102 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3103 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3104 else
58a681ef 3105 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3106 }
e73439d8 3107
51a8efd7 3108 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3109 hci_sco_setup(conn, ev->status);
04837f64
MH		 3110 }
3111
3112 hci_dev_unlock(hdev);
3113}
3114
6039aa73 3115static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3116{
052b30b0
MH		 3117 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3118 struct hci_conn *conn;
3119
a9de9248 3120 BT_DBG("%s", hdev->name);
052b30b0
MH		 3121
3122 hci_dev_lock(hdev);
3123
3124 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3125 if (!conn)
3126 goto unlock;
3127
3128 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3129 hci_conn_hold(conn);
3130 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3131 hci_conn_drop(conn);
052b30b0
MH		 3132 }
3133
b6ae8457 3134 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3135 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3136 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3137 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3138 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3139 u8 secure;
3140
3141 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3142 secure = 1;
3143 else
3144 secure = 0;
3145
744cf19e 3146 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3147 }
980e1a53 3148
b6f98044 3149unlock:
052b30b0 3150 hci_dev_unlock(hdev);
a9de9248
MH		 3151}
3152
6039aa73 3153static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3154{
55ed8ca1
JH		 3155 struct hci_ev_link_key_req *ev = (void *) skb->data;
3156 struct hci_cp_link_key_reply cp;
3157 struct hci_conn *conn;
3158 struct link_key *key;
3159
a9de9248 3160 BT_DBG("%s", hdev->name);
55ed8ca1 3161
034cbea0 3162 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3163 return;
3164
3165 hci_dev_lock(hdev);
3166
3167 key = hci_find_link_key(hdev, &ev->bdaddr);
3168 if (!key) {
6ed93dc6
AE		 3169 BT_DBG("%s link key not found for %pMR", hdev->name,
3170 &ev->bdaddr);
55ed8ca1
JH		 3171 goto not_found;
3172 }
3173
6ed93dc6
AE		 3174 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3175 &ev->bdaddr);
55ed8ca1 3176
55ed8ca1 3177 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3178 if (conn) {
66138ce8
MH		 3179 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3180 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3181 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3182 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3183 goto not_found;
3184 }
55ed8ca1 3185
60b83f57 3186 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3187 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3188 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3189 BT_DBG("%s ignoring key unauthenticated for high security",
3190 hdev->name);
60b83f57
WR		 3191 goto not_found;
3192 }
3193
3194 conn->key_type = key->type;
3195 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3196 }
3197
3198 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3199 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3200
3201 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3202
3203 hci_dev_unlock(hdev);
3204
3205 return;
3206
3207not_found:
3208 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3209 hci_dev_unlock(hdev);
a9de9248
MH		 3210}
3211
6039aa73 3212static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3213{
052b30b0
MH		 3214 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3215 struct hci_conn *conn;
7652ff6a
JH		 3216 struct link_key *key;
3217 bool persistent;
55ed8ca1 3218 u8 pin_len = 0;
052b30b0 3219
a9de9248 3220 BT_DBG("%s", hdev->name);
052b30b0
MH		 3221
3222 hci_dev_lock(hdev);
3223
3224 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3225 if (conn) {
3226 hci_conn_hold(conn);
3227 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3228 pin_len = conn->pin_length;
13d39315
WR		 3229
3230 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3231 conn->key_type = ev->key_type;
3232
76a68ba0 3233 hci_conn_drop(conn);
052b30b0
MH		 3234 }
3235
7652ff6a
JH		 3236 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3237 goto unlock;
3238
3239 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3240 ev->key_type, pin_len, &persistent);
3241 if (!key)
3242 goto unlock;
3243
3244 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3245
6d5650c4
JH		 3246 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3247 * is set. If it's not set simply remove the key from the kernel
3248 * list (we've still notified user space about it but with
3249 * store_hint being 0).
3250 */
3251 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3252 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3253 list_del(&key->list);
3254 kfree(key);
3255 } else if (conn) {
af6a9c32
JH		 3256 if (persistent)
3257 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3258 else
3259 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3260 }
7652ff6a
JH		 3261
3262unlock:
052b30b0 3263 hci_dev_unlock(hdev);
a9de9248
MH		 3264}
3265
6039aa73 3266static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3267{
a9de9248 3268 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3269 struct hci_conn *conn;
1da177e4 3270
9f1db00c 3271 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3272
3273 hci_dev_lock(hdev);
3274
04837f64 3275 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3276 if (conn && !ev->status) {
3277 struct inquiry_entry *ie;
3278
cc11b9c1
AE		 3279 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3280 if (ie) {
1da177e4
LT		 3281 ie->data.clock_offset = ev->clock_offset;
3282 ie->timestamp = jiffies;
3283 }
3284 }
3285
3286 hci_dev_unlock(hdev);
3287}
3288
6039aa73 3289static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3290{
3291 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3292 struct hci_conn *conn;
3293
9f1db00c 3294 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3295
3296 hci_dev_lock(hdev);
3297
3298 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3299 if (conn && !ev->status)
3300 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3301
3302 hci_dev_unlock(hdev);
3303}
3304
6039aa73 3305static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3306{
a9de9248 3307 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3308 struct inquiry_entry *ie;
3309
3310 BT_DBG("%s", hdev->name);
3311
3312 hci_dev_lock(hdev);
3313
cc11b9c1
AE		 3314 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3315 if (ie) {
85a1e930
MH		 3316 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3317 ie->timestamp = jiffies;
3318 }
3319
3320 hci_dev_unlock(hdev);
3321}
3322
6039aa73
GP		 3323static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3324 struct sk_buff *skb)
a9de9248
MH		 3325{
3326 struct inquiry_data data;
3327 int num_rsp = *((__u8 *) skb->data);
3328
3329 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3330
3331 if (!num_rsp)
3332 return;
3333
1519cc17
AG		 3334 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3335 return;
3336
a9de9248
MH		 3337 hci_dev_lock(hdev);
3338
3339 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3340 struct inquiry_info_with_rssi_and_pscan_mode *info;
3341 info = (void *) (skb->data + 1);
a9de9248 3342
e17acd40 3343 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3344 u32 flags;
3345
a9de9248
MH		 3346 bacpy(&data.bdaddr, &info->bdaddr);
3347 data.pscan_rep_mode = info->pscan_rep_mode;
3348 data.pscan_period_mode = info->pscan_period_mode;
3349 data.pscan_mode = info->pscan_mode;
3350 memcpy(data.dev_class, info->dev_class, 3);
3351 data.clock_offset = info->clock_offset;
3352 data.rssi = info->rssi;
41a96212 3353 data.ssp_mode = 0x00;
3175405b 3354
af58925c
MH		 3355 flags = hci_inquiry_cache_update(hdev, &data, false);
3356
48264f06 3357 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3358 info->dev_class, info->rssi,
af58925c 3359 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3360 }
3361 } else {
3362 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3363
e17acd40 3364 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3365 u32 flags;
3366
a9de9248
MH		 3367 bacpy(&data.bdaddr, &info->bdaddr);
3368 data.pscan_rep_mode = info->pscan_rep_mode;
3369 data.pscan_period_mode = info->pscan_period_mode;
3370 data.pscan_mode = 0x00;
3371 memcpy(data.dev_class, info->dev_class, 3);
3372 data.clock_offset = info->clock_offset;
3373 data.rssi = info->rssi;
41a96212 3374 data.ssp_mode = 0x00;
af58925c
MH		 3375
3376 flags = hci_inquiry_cache_update(hdev, &data, false);
3377
48264f06 3378 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3379 info->dev_class, info->rssi,
af58925c 3380 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3381 }
3382 }
3383
3384 hci_dev_unlock(hdev);
3385}
3386
6039aa73
GP		 3387static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3388 struct sk_buff *skb)
a9de9248 3389{
41a96212
MH		 3390 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3391 struct hci_conn *conn;
3392
a9de9248 3393 BT_DBG("%s", hdev->name);
41a96212 3394
41a96212
MH		 3395 hci_dev_lock(hdev);
3396
3397 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3398 if (!conn)
3399 goto unlock;
41a96212 3400
cad718ed
JH		 3401 if (ev->page < HCI_MAX_PAGES)
3402 memcpy(conn->features[ev->page], ev->features, 8);
3403
ccd556fe
JH		 3404 if (!ev->status && ev->page == 0x01) {
3405 struct inquiry_entry *ie;
41a96212 3406
cc11b9c1
AE		 3407 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3408 if (ie)
02b7cc62 3409 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3410
bbb0eada 3411 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3412 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3413 } else {
3414 /* It is mandatory by the Bluetooth specification that
3415 * Extended Inquiry Results are only used when Secure
3416 * Simple Pairing is enabled, but some devices violate
3417 * this.
3418 *
3419 * To make these devices work, the internal SSP
3420 * enabled flag needs to be cleared if the remote host
3421 * features do not indicate SSP support */
3422 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3423 }
eb9a8f3f
MH		 3424
3425 if (ev->features[0] & LMP_HOST_SC)
3426 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3427 }
3428
3429 if (conn->state != BT_CONFIG)
3430 goto unlock;
3431
671267bf 3432 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3433 struct hci_cp_remote_name_req cp;
3434 memset(&cp, 0, sizeof(cp));
3435 bacpy(&cp.bdaddr, &conn->dst);
3436 cp.pscan_rep_mode = 0x02;
3437 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3438 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3439 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3440
127178d2 3441 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3442 conn->state = BT_CONNECTED;
3443 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3444 hci_conn_drop(conn);
41a96212
MH		 3445 }
3446
ccd556fe 3447unlock:
41a96212 3448 hci_dev_unlock(hdev);
a9de9248
MH		 3449}
3450
6039aa73
GP		 3451static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3452 struct sk_buff *skb)
a9de9248 3453{
b6a0dc82
MH		 3454 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3455 struct hci_conn *conn;
3456
9f1db00c 3457 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3458
3459 hci_dev_lock(hdev);
3460
3461 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3462 if (!conn) {
3463 if (ev->link_type == ESCO_LINK)
3464 goto unlock;
3465
3466 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3467 if (!conn)
3468 goto unlock;
3469
3470 conn->type = SCO_LINK;
3471 }
b6a0dc82 3472
732547f9
MH		 3473 switch (ev->status) {
3474 case 0x00:
b6a0dc82
MH		 3475 conn->handle = __le16_to_cpu(ev->handle);
3476 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3477
3478 hci_conn_add_sysfs(conn);
732547f9
MH		 3479 break;
3480
81218d20 3481 case 0x10: /* Connection Accept Timeout */
1a4c958c 3482 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3483 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3484 case 0x1c: /* SCO interval rejected */
1038a00b 3485 case 0x1a: /* Unsupported Remote Feature */
732547f9 3486 case 0x1f: /* Unspecified error */
27539bc4 3487 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3488 if (conn->out) {
732547f9
MH		 3489 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3490 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3491 if (hci_setup_sync(conn, conn->link->handle))
3492 goto unlock;
732547f9
MH		 3493 }
3494 /* fall through */
3495
3496 default:
b6a0dc82 3497 conn->state = BT_CLOSED;
732547f9
MH		 3498 break;
3499 }
b6a0dc82
MH		 3500
3501 hci_proto_connect_cfm(conn, ev->status);
3502 if (ev->status)
3503 hci_conn_del(conn);
3504
3505unlock:
3506 hci_dev_unlock(hdev);
a9de9248
MH		 3507}
3508
efdcf8e3
MH		 3509static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3510{
3511 size_t parsed = 0;
3512
3513 while (parsed < eir_len) {
3514 u8 field_len = eir[0];
3515
3516 if (field_len == 0)
3517 return parsed;
3518
3519 parsed += field_len + 1;
3520 eir += field_len + 1;
3521 }
3522
3523 return eir_len;
3524}
3525
6039aa73
GP		 3526static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3527 struct sk_buff *skb)
1da177e4 3528{
a9de9248
MH		 3529 struct inquiry_data data;
3530 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3531 int num_rsp = *((__u8 *) skb->data);
9d939d94 3532 size_t eir_len;
1da177e4 3533
a9de9248 3534 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3535
a9de9248
MH		 3536 if (!num_rsp)
3537 return;
1da177e4 3538
1519cc17
AG		 3539 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3540 return;
3541
a9de9248
MH		 3542 hci_dev_lock(hdev);
3543
e17acd40 3544 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3545 u32 flags;
3546 bool name_known;
561aafbc 3547
a9de9248 3548 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3549 data.pscan_rep_mode = info->pscan_rep_mode;
3550 data.pscan_period_mode = info->pscan_period_mode;
3551 data.pscan_mode = 0x00;
a9de9248 3552 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3553 data.clock_offset = info->clock_offset;
3554 data.rssi = info->rssi;
41a96212 3555 data.ssp_mode = 0x01;
561aafbc 3556
a8b2d5c2 3557 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3558 name_known = eir_has_data_type(info->data,
04124681
GP		 3559 sizeof(info->data),
3560 EIR_NAME_COMPLETE);
561aafbc
JH		 3561 else
3562 name_known = true;
3563
af58925c
MH		 3564 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3565
9d939d94 3566 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3567
48264f06 3568 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3569 info->dev_class, info->rssi,
3570 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3571 }
3572
3573 hci_dev_unlock(hdev);
3574}
1da177e4 3575
1c2e0041
JH		 3576static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3577 struct sk_buff *skb)
3578{
3579 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3580 struct hci_conn *conn;
3581
9f1db00c 3582 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3583 __le16_to_cpu(ev->handle));
3584
3585 hci_dev_lock(hdev);
3586
3587 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3588 if (!conn)
3589 goto unlock;
3590
9eb1fbfa
JH		 3591 /* For BR/EDR the necessary steps are taken through the
3592 * auth_complete event.
3593 */
3594 if (conn->type != LE_LINK)
3595 goto unlock;
3596
1c2e0041
JH		 3597 if (!ev->status)
3598 conn->sec_level = conn->pending_sec_level;
3599
3600 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3601
3602 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3603 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3604 hci_conn_drop(conn);
1c2e0041
JH		 3605 goto unlock;
3606 }
3607
3608 if (conn->state == BT_CONFIG) {
3609 if (!ev->status)
3610 conn->state = BT_CONNECTED;
3611
3612 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3613 hci_conn_drop(conn);
1c2e0041
JH		 3614 } else {
3615 hci_auth_cfm(conn, ev->status);
3616
3617 hci_conn_hold(conn);
3618 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3619 hci_conn_drop(conn);
1c2e0041
JH		 3620 }
3621
3622unlock:
3623 hci_dev_unlock(hdev);
3624}
3625
6039aa73 3626static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3627{
17fa4b9d 3628 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3629 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3630 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3631 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3632
b7f94c88
MA		 3633 /* If both remote and local have enough IO capabilities, require
3634 * MITM protection
3635 */
3636 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3637 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3638 return conn->remote_auth | 0x01;
3639
7e74170a
TM		 3640 /* No MITM protection possible so ignore remote requirement */
3641 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3642}
3643
6039aa73 3644static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3645{
3646 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3647 struct hci_conn *conn;
3648
3649 BT_DBG("%s", hdev->name);
3650
3651 hci_dev_lock(hdev);
3652
3653 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3654 if (!conn)
3655 goto unlock;
3656
3657 hci_conn_hold(conn);
3658
a8b2d5c2 3659 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3660 goto unlock;
3661
2f407f0a
JH		 3662 /* Allow pairing if we're pairable, the initiators of the
3663 * pairing or if the remote is not requesting bonding.
3664 */
b6ae8457 3665 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3666 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3667 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3668 struct hci_cp_io_capability_reply cp;
3669
3670 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3671 /* Change the IO capability from KeyboardDisplay
3672 * to DisplayYesNo as it is not supported by BT spec. */
3673 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3674 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3675
3676 /* If we are initiators, there is no remote information yet */
3677 if (conn->remote_auth == 0xff) {
b16c6604 3678 /* Request MITM protection if our IO caps allow it
4ad51a75 3679 * except for the no-bonding case.
b16c6604 3680 */
6fd6b915 3681 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3682 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3683 conn->auth_type |= 0x01;
b7f94c88
MA		 3684 } else {
3685 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3686 }
17fa4b9d 3687
82c295b1
JH		 3688 /* If we're not bondable, force one of the non-bondable
3689 * authentication requirement values.
3690 */
3691 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3692 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3693
3694 cp.authentication = conn->auth_type;
3695
8fc9ced3
GP		 3696 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3697 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3698 cp.oob_data = 0x01;
3699 else
3700 cp.oob_data = 0x00;
3701
17fa4b9d 3702 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3703 sizeof(cp), &cp);
03b555e1
JH		 3704 } else {
3705 struct hci_cp_io_capability_neg_reply cp;
3706
3707 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3708 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3709
03b555e1 3710 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3711 sizeof(cp), &cp);
03b555e1
JH		 3712 }
3713
3714unlock:
3715 hci_dev_unlock(hdev);
3716}
3717
6039aa73 3718static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3719{
3720 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3721 struct hci_conn *conn;
3722
3723 BT_DBG("%s", hdev->name);
3724
3725 hci_dev_lock(hdev);
3726
3727 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3728 if (!conn)
3729 goto unlock;
3730
03b555e1 3731 conn->remote_cap = ev->capability;
03b555e1 3732 conn->remote_auth = ev->authentication;
58a681ef
JH		 3733 if (ev->oob_data)
3734 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3735
3736unlock:
0493684e
MH		 3737 hci_dev_unlock(hdev);
3738}
3739
6039aa73
GP		 3740static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3741 struct sk_buff *skb)
a5c29683
JH		 3742{
3743 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3744 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3745 struct hci_conn *conn;
a5c29683
JH		 3746
3747 BT_DBG("%s", hdev->name);
3748
3749 hci_dev_lock(hdev);
3750
a8b2d5c2 3751 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3752 goto unlock;
a5c29683 3753
7a828908
JH		 3754 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3755 if (!conn)
3756 goto unlock;
3757
3758 loc_mitm = (conn->auth_type & 0x01);
3759 rem_mitm = (conn->remote_auth & 0x01);
3760
3761 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3762 * (it has NoInputNoOutput) then reject the confirmation
3763 * request. We check the security level here since it doesn't
3764 * necessarily match conn->auth_type.
6fd6b915 3765 */
6c53823a
JH		 3766 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3767 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3768 BT_DBG("Rejecting request: remote device can't provide MITM");
3769 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3770 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3771 goto unlock;
3772 }
3773
3774 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3775 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3776 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3777
3778 /* If we're not the initiators request authorization to
3779 * proceed from user space (mgmt_user_confirm with
ba15a58b 3780 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3781 * side had MITM or if the local IO capability is
3782 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3783 */
3784 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3785 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3786 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3787 BT_DBG("Confirming auto-accept as acceptor");
3788 confirm_hint = 1;
3789 goto confirm;
3790 }
3791
9f61656a 3792 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3793 hdev->auto_accept_delay);
9f61656a
JH		 3794
3795 if (hdev->auto_accept_delay > 0) {
3796 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3797 queue_delayed_work(conn->hdev->workqueue,
3798 &conn->auto_accept_work, delay);
9f61656a
JH		 3799 goto unlock;
3800 }
3801
7a828908 3802 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3803 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3804 goto unlock;
3805 }
3806
55bc1a37 3807confirm:
39adbffe
JH		 3808 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3809 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3810
3811unlock:
a5c29683
JH		 3812 hci_dev_unlock(hdev);
3813}
3814
6039aa73
GP		 3815static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3816 struct sk_buff *skb)
1143d458
BG		 3817{
3818 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3819
3820 BT_DBG("%s", hdev->name);
3821
a8b2d5c2 3822 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3823 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3824}
3825
92a25256
JH		 3826static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3827 struct sk_buff *skb)
3828{
3829 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3830 struct hci_conn *conn;
3831
3832 BT_DBG("%s", hdev->name);
3833
3834 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3835 if (!conn)
3836 return;
3837
3838 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3839 conn->passkey_entered = 0;
3840
3841 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3842 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3843 conn->dst_type, conn->passkey_notify,
3844 conn->passkey_entered);
3845}
3846
3847static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3848{
3849 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3850 struct hci_conn *conn;
3851
3852 BT_DBG("%s", hdev->name);
3853
3854 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3855 if (!conn)
3856 return;
3857
3858 switch (ev->type) {
3859 case HCI_KEYPRESS_STARTED:
3860 conn->passkey_entered = 0;
3861 return;
3862
3863 case HCI_KEYPRESS_ENTERED:
3864 conn->passkey_entered++;
3865 break;
3866
3867 case HCI_KEYPRESS_ERASED:
3868 conn->passkey_entered--;
3869 break;
3870
3871 case HCI_KEYPRESS_CLEARED:
3872 conn->passkey_entered = 0;
3873 break;
3874
3875 case HCI_KEYPRESS_COMPLETED:
3876 return;
3877 }
3878
3879 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3880 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3881 conn->dst_type, conn->passkey_notify,
3882 conn->passkey_entered);
3883}
3884
6039aa73
GP		 3885static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3886 struct sk_buff *skb)
0493684e
MH		 3887{
3888 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3889 struct hci_conn *conn;
3890
3891 BT_DBG("%s", hdev->name);
3892
3893 hci_dev_lock(hdev);
3894
3895 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3896 if (!conn)
3897 goto unlock;
3898
c1d4fa7a
JH		 3899 /* Reset the authentication requirement to unknown */
3900 conn->remote_auth = 0xff;
3901
2a611692
JH		 3902 /* To avoid duplicate auth_failed events to user space we check
3903 * the HCI_CONN_AUTH_PEND flag which will be set if we
3904 * initiated the authentication. A traditional auth_complete
3905 * event gets always produced as initiator and is also mapped to
3906 * the mgmt_auth_failed event */
fa1bd918 3907 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 3908 mgmt_auth_failed(conn, ev->status);
0493684e 3909
76a68ba0 3910 hci_conn_drop(conn);
2a611692
JH		 3911
3912unlock:
0493684e
MH		 3913 hci_dev_unlock(hdev);
3914}
3915
6039aa73
GP		 3916static void hci_remote_host_features_evt(struct hci_dev *hdev,
3917 struct sk_buff *skb)
41a96212
MH		 3918{
3919 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3920 struct inquiry_entry *ie;
cad718ed 3921 struct hci_conn *conn;
41a96212
MH		 3922
3923 BT_DBG("%s", hdev->name);
3924
3925 hci_dev_lock(hdev);
3926
cad718ed
JH		 3927 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3928 if (conn)
3929 memcpy(conn->features[1], ev->features, 8);
3930
cc11b9c1
AE		 3931 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3932 if (ie)
02b7cc62 3933 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3934
3935 hci_dev_unlock(hdev);
3936}
3937
6039aa73
GP		 3938static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3939 struct sk_buff *skb)
2763eda6
SJ		 3940{
3941 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3942 struct oob_data *data;
3943
3944 BT_DBG("%s", hdev->name);
3945
3946 hci_dev_lock(hdev);
3947
a8b2d5c2 3948 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3949 goto unlock;
3950
2763eda6
SJ		 3951 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3952 if (data) {
519ca9d0
MH		 3953 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3954 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3955
519ca9d0
MH		 3956 bacpy(&cp.bdaddr, &ev->bdaddr);
3957 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3958 memcpy(cp.randomizer192, data->randomizer192,
3959 sizeof(cp.randomizer192));
3960 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3961 memcpy(cp.randomizer256, data->randomizer256,
3962 sizeof(cp.randomizer256));
3963
3964 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3965 sizeof(cp), &cp);
3966 } else {
3967 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3968
519ca9d0
MH		 3969 bacpy(&cp.bdaddr, &ev->bdaddr);
3970 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3971 memcpy(cp.randomizer, data->randomizer192,
3972 sizeof(cp.randomizer));
3973
3974 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3975 sizeof(cp), &cp);
3976 }
2763eda6
SJ		 3977 } else {
3978 struct hci_cp_remote_oob_data_neg_reply cp;
3979
3980 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3981 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3982 sizeof(cp), &cp);
2763eda6
SJ		 3983 }
3984
e1ba1f15 3985unlock:
2763eda6
SJ		 3986 hci_dev_unlock(hdev);
3987}
3988
d5e91192
AE		 3989static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3990 struct sk_buff *skb)
3991{
3992 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3993 struct hci_conn *hcon, *bredr_hcon;
3994
3995 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3996 ev->status);
3997
3998 hci_dev_lock(hdev);
3999
4000 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4001 if (!hcon) {
4002 hci_dev_unlock(hdev);
4003 return;
4004 }
4005
4006 if (ev->status) {
4007 hci_conn_del(hcon);
4008 hci_dev_unlock(hdev);
4009 return;
4010 }
4011
4012 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4013
4014 hcon->state = BT_CONNECTED;
4015 bacpy(&hcon->dst, &bredr_hcon->dst);
4016
4017 hci_conn_hold(hcon);
4018 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4019 hci_conn_drop(hcon);
d5e91192 4020
d5e91192
AE		 4021 hci_conn_add_sysfs(hcon);
4022
cf70ff22 4023 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4024
cf70ff22 4025 hci_dev_unlock(hdev);
d5e91192
AE		 4026}
4027
27695fb4
AE		 4028static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4029{
4030 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4031 struct hci_conn *hcon;
4032 struct hci_chan *hchan;
4033 struct amp_mgr *mgr;
4034
4035 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4036 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4037 ev->status);
4038
4039 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4040 if (!hcon)
4041 return;
4042
4043 /* Create AMP hchan */
4044 hchan = hci_chan_create(hcon);
4045 if (!hchan)
4046 return;
4047
4048 hchan->handle = le16_to_cpu(ev->handle);
4049
4050 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4051
4052 mgr = hcon->amp_mgr;
4053 if (mgr && mgr->bredr_chan) {
4054 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4055
4056 l2cap_chan_lock(bredr_chan);
4057
4058 bredr_chan->conn->mtu = hdev->block_mtu;
4059 l2cap_logical_cfm(bredr_chan, hchan, 0);
4060 hci_conn_hold(hcon);
4061
4062 l2cap_chan_unlock(bredr_chan);
4063 }
4064}
4065
606e2a10
AE		 4066static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4067 struct sk_buff *skb)
4068{
4069 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4070 struct hci_chan *hchan;
4071
4072 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4073 le16_to_cpu(ev->handle), ev->status);
4074
4075 if (ev->status)
4076 return;
4077
4078 hci_dev_lock(hdev);
4079
4080 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4081 if (!hchan)
4082 goto unlock;
4083
4084 amp_destroy_logical_link(hchan, ev->reason);
4085
4086unlock:
4087 hci_dev_unlock(hdev);
4088}
4089
9eef6b3a
AE		 4090static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4091 struct sk_buff *skb)
4092{
4093 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4094 struct hci_conn *hcon;
4095
4096 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4097
4098 if (ev->status)
4099 return;
4100
4101 hci_dev_lock(hdev);
4102
4103 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4104 if (hcon) {
4105 hcon->state = BT_CLOSED;
4106 hci_conn_del(hcon);
4107 }
4108
4109 hci_dev_unlock(hdev);
4110}
4111
6039aa73 4112static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4113{
4114 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4115 struct hci_conn_params *params;
fcd89c09 4116 struct hci_conn *conn;
68d6f6de 4117 struct smp_irk *irk;
837d502e 4118 u8 addr_type;
fcd89c09 4119
9f1db00c 4120 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4121
4122 hci_dev_lock(hdev);
4123
fbd96c15
JH		 4124 /* All controllers implicitly stop advertising in the event of a
4125 * connection, so ensure that the state bit is cleared.
4126 */
4127 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4128
b47a09b3 4129 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4130 if (!conn) {
a5c4e309 4131 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4132 if (!conn) {
4133 BT_ERR("No memory for new connection");
230fd16a 4134 goto unlock;
b62f328b 4135 }
29b7988a
AG		 4136
4137 conn->dst_type = ev->bdaddr_type;
b9b343d2 4138
cb1d68f7
JH		 4139 /* If we didn't have a hci_conn object previously
4140 * but we're in master role this must be something
4141 * initiated using a white list. Since white list based
4142 * connections are not "first class citizens" we don't
4143 * have full tracking of them. Therefore, we go ahead
4144 * with a "best effort" approach of determining the
4145 * initiator address based on the HCI_PRIVACY flag.
4146 */
4147 if (conn->out) {
4148 conn->resp_addr_type = ev->bdaddr_type;
4149 bacpy(&conn->resp_addr, &ev->bdaddr);
4150 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4151 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4152 bacpy(&conn->init_addr, &hdev->rpa);
4153 } else {
4154 hci_copy_identity_address(hdev,
4155 &conn->init_addr,
4156 &conn->init_addr_type);
4157 }
cb1d68f7 4158 }
9489eca4
JH		 4159 } else {
4160 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4161 }
fcd89c09 4162
80c24ab8
JH		 4163 if (!conn->out) {
4164 /* Set the responder (our side) address type based on
4165 * the advertising address type.
4166 */
4167 conn->resp_addr_type = hdev->adv_addr_type;
4168 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4169 bacpy(&conn->resp_addr, &hdev->random_addr);
4170 else
4171 bacpy(&conn->resp_addr, &hdev->bdaddr);
4172
4173 conn->init_addr_type = ev->bdaddr_type;
4174 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4175
4176 /* For incoming connections, set the default minimum
4177 * and maximum connection interval. They will be used
4178 * to check if the parameters are in range and if not
4179 * trigger the connection update procedure.
4180 */
4181 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4182 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4183 }
7be2edbb 4184
edb4b466
MH		 4185 /* Lookup the identity address from the stored connection
4186 * address and address type.
4187 *
4188 * When establishing connections to an identity address, the
4189 * connection procedure will store the resolvable random
4190 * address first. Now if it can be converted back into the
4191 * identity address, start using the identity address from
4192 * now on.
4193 */
4194 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4195 if (irk) {
4196 bacpy(&conn->dst, &irk->bdaddr);
4197 conn->dst_type = irk->addr_type;
4198 }
4199
2d3c2260
JH		 4200 if (ev->status) {
4201 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4202 goto unlock;
4203 }
4204
08853f18
JH		 4205 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4206 addr_type = BDADDR_LE_PUBLIC;
4207 else
4208 addr_type = BDADDR_LE_RANDOM;
4209
2d3c2260
JH		 4210 /* Drop the connection if the device is blocked */
4211 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4212 hci_conn_drop(conn);
cd17decb
AG		 4213 goto unlock;
4214 }
4215
b644ba33 4216 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4217 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4218
7b5c0d52 4219 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4220 conn->handle = __le16_to_cpu(ev->handle);
4221 conn->state = BT_CONNECTED;
4222
e04fde60
MH		 4223 conn->le_conn_interval = le16_to_cpu(ev->interval);
4224 conn->le_conn_latency = le16_to_cpu(ev->latency);
4225 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4226
fcd89c09
VT		 4227 hci_conn_add_sysfs(conn);
4228
4229 hci_proto_connect_cfm(conn, ev->status);
4230
5477610f
JH		 4231 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4232 conn->dst_type);
f161dd41 4233 if (params) {
95305baa 4234 list_del_init(&params->action);
f161dd41
JH		 4235 if (params->conn) {
4236 hci_conn_drop(params->conn);
f8aaf9b6 4237 hci_conn_put(params->conn);
f161dd41
JH		 4238 params->conn = NULL;
4239 }
4240 }
a4790dbd 4241
fcd89c09 4242unlock:
223683a5 4243 hci_update_background_scan(hdev);
fcd89c09
VT		 4244 hci_dev_unlock(hdev);
4245}
4246
1855d92d
MH		 4247static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4248 struct sk_buff *skb)
4249{
4250 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4251 struct hci_conn *conn;
4252
4253 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4254
4255 if (ev->status)
4256 return;
4257
4258 hci_dev_lock(hdev);
4259
4260 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4261 if (conn) {
4262 conn->le_conn_interval = le16_to_cpu(ev->interval);
4263 conn->le_conn_latency = le16_to_cpu(ev->latency);
4264 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4265 }
4266
4267 hci_dev_unlock(hdev);
4268}
4269
a4790dbd 4270/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4271static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4272 bdaddr_t *addr,
4273 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4274{
4275 struct hci_conn *conn;
4b9e7e75 4276 struct hci_conn_params *params;
a4790dbd 4277
1c1abcab
JH		 4278 /* If the event is not connectable don't proceed further */
4279 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4280 return NULL;
1c1abcab
JH		 4281
4282 /* Ignore if the device is blocked */
dcc36c16 4283 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4284 return NULL;
1c1abcab 4285
f99353cf
JH		 4286 /* Most controller will fail if we try to create new connections
4287 * while we have an existing one in slave role.
4288 */
4289 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4290 return NULL;
f99353cf 4291
1c1abcab
JH		 4292 /* If we're not connectable only connect devices that we have in
4293 * our pend_le_conns list.
4294 */
4b9e7e75
MH		 4295 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4296 addr, addr_type);
4297 if (!params)
fd45ada9 4298 return NULL;
4b9e7e75
MH		 4299
4300 switch (params->auto_connect) {
4301 case HCI_AUTO_CONN_DIRECT:
4302 /* Only devices advertising with ADV_DIRECT_IND are
4303 * triggering a connection attempt. This is allowing
4304 * incoming connections from slave devices.
4305 */
4306 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4307 return NULL;
4b9e7e75
MH		 4308 break;
4309 case HCI_AUTO_CONN_ALWAYS:
4310 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4311 * are triggering a connection attempt. This means
4312 * that incoming connectioms from slave device are
4313 * accepted and also outgoing connections to slave
4314 * devices are established when found.
4315 */
4316 break;
4317 default:
fd45ada9 4318 return NULL;
4b9e7e75 4319 }
a4790dbd
AG		 4320
4321 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4322 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4323 if (!IS_ERR(conn)) {
4324 /* Store the pointer since we don't really have any
4325 * other owner of the object besides the params that
4326 * triggered it. This way we can abort the connection if
4327 * the parameters get removed and keep the reference
4328 * count consistent once the connection is established.
4329 */
f8aaf9b6 4330 params->conn = hci_conn_get(conn);
fd45ada9 4331 return conn;
f161dd41 4332 }
a4790dbd
AG		 4333
4334 switch (PTR_ERR(conn)) {
4335 case -EBUSY:
4336 /* If hci_connect() returns -EBUSY it means there is already
4337 * an LE connection attempt going on. Since controllers don't
4338 * support more than one connection attempt at the time, we
4339 * don't consider this an error case.
4340 */
4341 break;
4342 default:
4343 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4344 return NULL;
a4790dbd 4345 }
fd45ada9
AA		 4346
4347 return NULL;
a4790dbd
AG		 4348}
4349
4af605d8
JH		 4350static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4351 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4352{
b9a6328f 4353 struct discovery_state *d = &hdev->discovery;
1c1abcab 4354 struct smp_irk *irk;
fd45ada9 4355 struct hci_conn *conn;
474ee066 4356 bool match;
c70a7e4c 4357 u32 flags;
b9a6328f 4358
1c1abcab
JH		 4359 /* Check if we need to convert to identity address */
4360 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4361 if (irk) {
4362 bdaddr = &irk->bdaddr;
4363 bdaddr_type = irk->addr_type;
4364 }
4365
4366 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4367 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4368 if (conn && type == LE_ADV_IND) {
4369 /* Store report for later inclusion by
4370 * mgmt_device_connected
4371 */
4372 memcpy(conn->le_adv_data, data, len);
4373 conn->le_adv_data_len = len;
4374 }
1c1abcab 4375
0d2bf134
JH		 4376 /* Passive scanning shouldn't trigger any device found events,
4377 * except for devices marked as CONN_REPORT for which we do send
4378 * device found events.
4379 */
ca5c4be7 4380 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4381 if (type == LE_ADV_DIRECT_IND)
4382 return;
4383
3a19b6fe
JH		 4384 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4385 bdaddr, bdaddr_type))
0d2bf134
JH		 4386 return;
4387
4388 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4389 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4390 else
4391 flags = 0;
4392 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4393 rssi, flags, data, len, NULL, 0);
97bf2e99 4394 return;
ca5c4be7 4395 }
4af605d8 4396
c70a7e4c
MH		 4397 /* When receiving non-connectable or scannable undirected
4398 * advertising reports, this means that the remote device is
4399 * not connectable and then clearly indicate this in the
4400 * device found event.
4401 *
4402 * When receiving a scan response, then there is no way to
4403 * know if the remote device is connectable or not. However
4404 * since scan responses are merged with a previously seen
4405 * advertising report, the flags field from that report
4406 * will be used.
4407 *
4408 * In the really unlikely case that a controller get confused
4409 * and just sends a scan response event, then it is marked as
4410 * not connectable as well.
4411 */
4412 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4413 type == LE_ADV_SCAN_RSP)
4414 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4415 else
4416 flags = 0;
4417
b9a6328f
JH		 4418 /* If there's nothing pending either store the data from this
4419 * event or send an immediate device found event if the data
4420 * should not be stored for later.
4421 */
4422 if (!has_pending_adv_report(hdev)) {
4423 /* If the report will trigger a SCAN_REQ store it for
4424 * later merging.
4425 */
4426 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4427 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4428 rssi, flags, data, len);
b9a6328f
JH		 4429 return;
4430 }
4431
4432 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4433 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4434 return;
4435 }
4436
474ee066
JH		 4437 /* Check if the pending report is for the same device as the new one */
4438 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4439 bdaddr_type == d->last_adv_addr_type);
4440
b9a6328f
JH		 4441 /* If the pending data doesn't match this report or this isn't a
4442 * scan response (e.g. we got a duplicate ADV_IND) then force
4443 * sending of the pending data.
4444 */
474ee066
JH		 4445 if (type != LE_ADV_SCAN_RSP || !match) {
4446 /* Send out whatever is in the cache, but skip duplicates */
4447 if (!match)
4448 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4449 d->last_adv_addr_type, NULL,
c70a7e4c 4450 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4451 d->last_adv_data,
474ee066 4452 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4453
4454 /* If the new report will trigger a SCAN_REQ store it for
4455 * later merging.
4456 */
4457 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4458 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4459 rssi, flags, data, len);
b9a6328f
JH		 4460 return;
4461 }
4462
4463 /* The advertising reports cannot be merged, so clear
4464 * the pending report and send out a device found event.
4465 */
4466 clear_pending_adv_report(hdev);
5c5b93e4 4467 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4468 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4469 return;
4470 }
4471
4472 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4473 * the new event is a SCAN_RSP. We can therefore proceed with
4474 * sending a merged device found event.
4475 */
4476 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4477 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4478 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4479 clear_pending_adv_report(hdev);
4af605d8
JH		 4480}
4481
6039aa73 4482static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4483{
e95beb41
AG		 4484 u8 num_reports = skb->data[0];
4485 void *ptr = &skb->data[1];
9aa04c91 4486
a4790dbd
AG		 4487 hci_dev_lock(hdev);
4488
e95beb41
AG		 4489 while (num_reports--) {
4490 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4491 s8 rssi;
a4790dbd 4492
3c9e9195 4493 rssi = ev->data[ev->length];
4af605d8
JH		 4494 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4495 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4496
e95beb41 4497 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4498 }
a4790dbd
AG		 4499
4500 hci_dev_unlock(hdev);
9aa04c91
AG		 4501}
4502
6039aa73 4503static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4504{
4505 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4506 struct hci_cp_le_ltk_reply cp;
bea710fe 4507 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4508 struct hci_conn *conn;
c9839a11 4509 struct smp_ltk *ltk;
a7a595f6 4510
9f1db00c 4511 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4512
4513 hci_dev_lock(hdev);
4514
4515 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4516 if (conn == NULL)
4517 goto not_found;
a7a595f6 4518
e804d25d 4519 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4520 if (ltk == NULL)
4521 goto not_found;
4522
4523 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4524 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4525
a6f7833c 4526 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4527
89cbb4da 4528 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4529
4530 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4531
5981a882
CT		 4532 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4533 * temporary key used to encrypt a connection following
4534 * pairing. It is used during the Encrypted Session Setup to
4535 * distribute the keys. Later, security can be re-established
4536 * using a distributed LTK.
4537 */
2ceba539 4538 if (ltk->type == SMP_STK) {
fe59a05f 4539 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4540 list_del(&ltk->list);
4541 kfree(ltk);
fe59a05f
JH		 4542 } else {
4543 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4544 }
4545
a7a595f6 4546 hci_dev_unlock(hdev);
bea710fe
VCG		 4547
4548 return;
4549
4550not_found:
4551 neg.handle = ev->handle;
4552 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4553 hci_dev_unlock(hdev);
a7a595f6
VCG		 4554}
4555
8e75b46a
AG		 4556static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4557 u8 reason)
4558{
4559 struct hci_cp_le_conn_param_req_neg_reply cp;
4560
4561 cp.handle = cpu_to_le16(handle);
4562 cp.reason = reason;
4563
4564 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4565 &cp);
4566}
4567
4568static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4569 struct sk_buff *skb)
4570{
4571 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4572 struct hci_cp_le_conn_param_req_reply cp;
4573 struct hci_conn *hcon;
4574 u16 handle, min, max, latency, timeout;
4575
4576 handle = le16_to_cpu(ev->handle);
4577 min = le16_to_cpu(ev->interval_min);
4578 max = le16_to_cpu(ev->interval_max);
4579 latency = le16_to_cpu(ev->latency);
4580 timeout = le16_to_cpu(ev->timeout);
4581
4582 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4583 if (!hcon || hcon->state != BT_CONNECTED)
4584 return send_conn_param_neg_reply(hdev, handle,
4585 HCI_ERROR_UNKNOWN_CONN_ID);
4586
4587 if (hci_check_conn_params(min, max, latency, timeout))
4588 return send_conn_param_neg_reply(hdev, handle,
4589 HCI_ERROR_INVALID_LL_PARAMS);
4590
40bef302 4591 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4592 struct hci_conn_params *params;
f4869e2a 4593 u8 store_hint;
348d50b8
JH		 4594
4595 hci_dev_lock(hdev);
4596
4597 params = hci_conn_params_lookup(hdev, &hcon->dst,
4598 hcon->dst_type);
4599 if (params) {
4600 params->conn_min_interval = min;
4601 params->conn_max_interval = max;
4602 params->conn_latency = latency;
4603 params->supervision_timeout = timeout;
f4869e2a
JH		 4604 store_hint = 0x01;
4605 } else{
4606 store_hint = 0x00;
348d50b8
JH		 4607 }
4608
4609 hci_dev_unlock(hdev);
4610
f4869e2a
JH		 4611 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4612 store_hint, min, max, latency, timeout);
348d50b8 4613 }
ffb5a827 4614
8e75b46a
AG		 4615 cp.handle = ev->handle;
4616 cp.interval_min = ev->interval_min;
4617 cp.interval_max = ev->interval_max;
4618 cp.latency = ev->latency;
4619 cp.timeout = ev->timeout;
4620 cp.min_ce_len = 0;
4621 cp.max_ce_len = 0;
4622
4623 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4624}
4625
6039aa73 4626static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4627{
4628 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4629
4630 skb_pull(skb, sizeof(*le_ev));
4631
4632 switch (le_ev->subevent) {
4633 case HCI_EV_LE_CONN_COMPLETE:
4634 hci_le_conn_complete_evt(hdev, skb);
4635 break;
4636
1855d92d
MH		 4637 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4638 hci_le_conn_update_complete_evt(hdev, skb);
4639 break;
4640
9aa04c91
AG		 4641 case HCI_EV_LE_ADVERTISING_REPORT:
4642 hci_le_adv_report_evt(hdev, skb);
4643 break;
4644
a7a595f6
VCG		 4645 case HCI_EV_LE_LTK_REQ:
4646 hci_le_ltk_request_evt(hdev, skb);
4647 break;
4648
8e75b46a
AG		 4649 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4650 hci_le_remote_conn_param_req_evt(hdev, skb);
4651 break;
4652
fcd89c09
VT		 4653 default:
4654 break;
4655 }
4656}
4657
9495b2ee
AE		 4658static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4659{
4660 struct hci_ev_channel_selected *ev = (void *) skb->data;
4661 struct hci_conn *hcon;
4662
4663 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4664
4665 skb_pull(skb, sizeof(*ev));
4666
4667 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4668 if (!hcon)
4669 return;
4670
4671 amp_read_loc_assoc_final_data(hdev, hcon);
4672}
4673
a9de9248
MH		 4674void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4675{
4676 struct hci_event_hdr *hdr = (void *) skb->data;
4677 __u8 event = hdr->evt;
4678
b6ddb638
JH		 4679 hci_dev_lock(hdev);
4680
4681 /* Received events are (currently) only needed when a request is
4682 * ongoing so avoid unnecessary memory allocation.
4683 */
899de765 4684 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4685 kfree_skb(hdev->recv_evt);
4686 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4687 }
4688
4689 hci_dev_unlock(hdev);
4690
a9de9248
MH		 4691 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4692
02350a72 4693 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4694 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4695 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4696
4697 hci_req_cmd_complete(hdev, opcode, 0);
4698 }
4699
a9de9248 4700 switch (event) {
1da177e4
LT		 4701 case HCI_EV_INQUIRY_COMPLETE:
4702 hci_inquiry_complete_evt(hdev, skb);
4703 break;
4704
4705 case HCI_EV_INQUIRY_RESULT:
4706 hci_inquiry_result_evt(hdev, skb);
4707 break;
4708
a9de9248
MH		 4709 case HCI_EV_CONN_COMPLETE:
4710 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4711 break;
4712
1da177e4
LT		 4713 case HCI_EV_CONN_REQUEST:
4714 hci_conn_request_evt(hdev, skb);
4715 break;
4716
1da177e4
LT		 4717 case HCI_EV_DISCONN_COMPLETE:
4718 hci_disconn_complete_evt(hdev, skb);
4719 break;
4720
1da177e4
LT		 4721 case HCI_EV_AUTH_COMPLETE:
4722 hci_auth_complete_evt(hdev, skb);
4723 break;
4724
a9de9248
MH		 4725 case HCI_EV_REMOTE_NAME:
4726 hci_remote_name_evt(hdev, skb);
4727 break;
4728
1da177e4
LT		 4729 case HCI_EV_ENCRYPT_CHANGE:
4730 hci_encrypt_change_evt(hdev, skb);
4731 break;
4732
a9de9248
MH		 4733 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4734 hci_change_link_key_complete_evt(hdev, skb);
4735 break;
4736
4737 case HCI_EV_REMOTE_FEATURES:
4738 hci_remote_features_evt(hdev, skb);
4739 break;
4740
a9de9248
MH		 4741 case HCI_EV_CMD_COMPLETE:
4742 hci_cmd_complete_evt(hdev, skb);
4743 break;
4744
4745 case HCI_EV_CMD_STATUS:
4746 hci_cmd_status_evt(hdev, skb);
4747 break;
4748
4749 case HCI_EV_ROLE_CHANGE:
4750 hci_role_change_evt(hdev, skb);
4751 break;
4752
4753 case HCI_EV_NUM_COMP_PKTS:
4754 hci_num_comp_pkts_evt(hdev, skb);
4755 break;
4756
4757 case HCI_EV_MODE_CHANGE:
4758 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4759 break;
4760
4761 case HCI_EV_PIN_CODE_REQ:
4762 hci_pin_code_request_evt(hdev, skb);
4763 break;
4764
4765 case HCI_EV_LINK_KEY_REQ:
4766 hci_link_key_request_evt(hdev, skb);
4767 break;
4768
4769 case HCI_EV_LINK_KEY_NOTIFY:
4770 hci_link_key_notify_evt(hdev, skb);
4771 break;
4772
4773 case HCI_EV_CLOCK_OFFSET:
4774 hci_clock_offset_evt(hdev, skb);
4775 break;
4776
a8746417
MH		 4777 case HCI_EV_PKT_TYPE_CHANGE:
4778 hci_pkt_type_change_evt(hdev, skb);
4779 break;
4780
85a1e930
MH		 4781 case HCI_EV_PSCAN_REP_MODE:
4782 hci_pscan_rep_mode_evt(hdev, skb);
4783 break;
4784
a9de9248
MH		 4785 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4786 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4787 break;
4788
a9de9248
MH		 4789 case HCI_EV_REMOTE_EXT_FEATURES:
4790 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4791 break;
4792
a9de9248
MH		 4793 case HCI_EV_SYNC_CONN_COMPLETE:
4794 hci_sync_conn_complete_evt(hdev, skb);
4795 break;
1da177e4 4796
a9de9248
MH		 4797 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4798 hci_extended_inquiry_result_evt(hdev, skb);
4799 break;
1da177e4 4800
1c2e0041
JH		 4801 case HCI_EV_KEY_REFRESH_COMPLETE:
4802 hci_key_refresh_complete_evt(hdev, skb);
4803 break;
4804
0493684e
MH		 4805 case HCI_EV_IO_CAPA_REQUEST:
4806 hci_io_capa_request_evt(hdev, skb);
4807 break;
4808
03b555e1
JH		 4809 case HCI_EV_IO_CAPA_REPLY:
4810 hci_io_capa_reply_evt(hdev, skb);
4811 break;
4812
a5c29683
JH		 4813 case HCI_EV_USER_CONFIRM_REQUEST:
4814 hci_user_confirm_request_evt(hdev, skb);
4815 break;
4816
1143d458
BG		 4817 case HCI_EV_USER_PASSKEY_REQUEST:
4818 hci_user_passkey_request_evt(hdev, skb);
4819 break;
4820
92a25256
JH		 4821 case HCI_EV_USER_PASSKEY_NOTIFY:
4822 hci_user_passkey_notify_evt(hdev, skb);
4823 break;
4824
4825 case HCI_EV_KEYPRESS_NOTIFY:
4826 hci_keypress_notify_evt(hdev, skb);
4827 break;
4828
0493684e
MH		 4829 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4830 hci_simple_pair_complete_evt(hdev, skb);
4831 break;
4832
41a96212
MH		 4833 case HCI_EV_REMOTE_HOST_FEATURES:
4834 hci_remote_host_features_evt(hdev, skb);
4835 break;
4836
fcd89c09
VT		 4837 case HCI_EV_LE_META:
4838 hci_le_meta_evt(hdev, skb);
4839 break;
4840
9495b2ee
AE		 4841 case HCI_EV_CHANNEL_SELECTED:
4842 hci_chan_selected_evt(hdev, skb);
4843 break;
4844
2763eda6
SJ		 4845 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4846 hci_remote_oob_data_request_evt(hdev, skb);
4847 break;
4848
d5e91192
AE		 4849 case HCI_EV_PHY_LINK_COMPLETE:
4850 hci_phy_link_complete_evt(hdev, skb);
4851 break;
4852
27695fb4
AE		 4853 case HCI_EV_LOGICAL_LINK_COMPLETE:
4854 hci_loglink_complete_evt(hdev, skb);
4855 break;
4856
606e2a10
AE		 4857 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4858 hci_disconn_loglink_complete_evt(hdev, skb);
4859 break;
4860
9eef6b3a
AE		 4861 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4862 hci_disconn_phylink_complete_evt(hdev, skb);
4863 break;
4864
25e89e99
AE		 4865 case HCI_EV_NUM_COMP_BLOCKS:
4866 hci_num_comp_blocks_evt(hdev, skb);
4867 break;
4868
a9de9248 4869 default:
9f1db00c 4870 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4871 break;
4872 }
4873
4874 kfree_skb(skb);
4875 hdev->stat.evt_rx++;
4876}
Linux kernel - Deliverables
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