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Bluetooth: hci-uart-ath: Correct the comments in this driver
[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
cb77c3ec
JK		 1584 if (conn && conn->state == BT_CONFIG &&
1585 !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 1586 mgmt_device_connected(hdev, conn, 0, name, name_len);
b644ba33
JH		 1587
1588 if (discov->state == DISCOVERY_STOPPED)
1589 return;
1590
30dc78e1
JH		 1591 if (discov->state == DISCOVERY_STOPPING)
1592 goto discov_complete;
1593
1594 if (discov->state != DISCOVERY_RESOLVING)
1595 return;
1596
1597 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1598 /* If the device was not found in a list of found devices names of which
1599 * are pending. there is no need to continue resolving a next name as it
1600 * will be done upon receiving another Remote Name Request Complete
1601 * Event */
1602 if (!e)
1603 return;
1604
1605 list_del(&e->list);
1606 if (name) {
30dc78e1 1607 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1608 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1609 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1610 } else {
1611 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1612 }
1613
b644ba33 1614 if (hci_resolve_next_name(hdev))
30dc78e1 1615 return;
30dc78e1
JH		 1616
1617discov_complete:
1618 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1619}
1620
a9de9248
MH		 1621static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1622{
127178d2
JH		 1623 struct hci_cp_remote_name_req *cp;
1624 struct hci_conn *conn;
1625
9f1db00c 1626 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1627
1628 /* If successful wait for the name req complete event before
1629 * checking for the need to do authentication */
1630 if (!status)
1631 return;
1632
1633 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1634 if (!cp)
1635 return;
1636
1637 hci_dev_lock(hdev);
1638
b644ba33
JH		 1639 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1640
a8b2d5c2 1641 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1642 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1643
79c6c70c
JH		 1644 if (!conn)
1645 goto unlock;
1646
1647 if (!hci_outgoing_auth_needed(hdev, conn))
1648 goto unlock;
1649
51a8efd7 1650 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1651 struct hci_cp_auth_requested auth_cp;
1652
977f8fce
JH		 1653 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1654
c1f23a2b
JB		 1655 auth_cp.handle = __cpu_to_le16(conn->handle);
1656 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1657 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1658 }
1659
79c6c70c 1660unlock:
127178d2 1661 hci_dev_unlock(hdev);
a9de9248 1662}
1da177e4 1663
769be974
MH		 1664static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1665{
1666 struct hci_cp_read_remote_features *cp;
1667 struct hci_conn *conn;
1668
9f1db00c 1669 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1670
1671 if (!status)
1672 return;
1673
1674 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1675 if (!cp)
1676 return;
1677
1678 hci_dev_lock(hdev);
1679
1680 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1681 if (conn) {
1682 if (conn->state == BT_CONFIG) {
769be974 1683 hci_proto_connect_cfm(conn, status);
76a68ba0 1684 hci_conn_drop(conn);
769be974
MH		 1685 }
1686 }
1687
1688 hci_dev_unlock(hdev);
1689}
1690
1691static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1692{
1693 struct hci_cp_read_remote_ext_features *cp;
1694 struct hci_conn *conn;
1695
9f1db00c 1696 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1697
1698 if (!status)
1699 return;
1700
1701 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1702 if (!cp)
1703 return;
1704
1705 hci_dev_lock(hdev);
1706
1707 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1708 if (conn) {
1709 if (conn->state == BT_CONFIG) {
769be974 1710 hci_proto_connect_cfm(conn, status);
76a68ba0 1711 hci_conn_drop(conn);
769be974
MH		 1712 }
1713 }
1714
1715 hci_dev_unlock(hdev);
1716}
1717
a9de9248
MH		 1718static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1719{
b6a0dc82
MH		 1720 struct hci_cp_setup_sync_conn *cp;
1721 struct hci_conn *acl, *sco;
1722 __u16 handle;
1723
9f1db00c 1724 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1725
1726 if (!status)
1727 return;
1728
1729 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1730 if (!cp)
1731 return;
1732
1733 handle = __le16_to_cpu(cp->handle);
1734
9f1db00c 1735 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1736
1737 hci_dev_lock(hdev);
1738
1739 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1740 if (acl) {
1741 sco = acl->link;
1742 if (sco) {
1743 sco->state = BT_CLOSED;
b6a0dc82 1744
5a08ecce
AE		 1745 hci_proto_connect_cfm(sco, status);
1746 hci_conn_del(sco);
1747 }
b6a0dc82
MH		 1748 }
1749
1750 hci_dev_unlock(hdev);
1da177e4
LT		 1751}
1752
a9de9248 1753static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1754{
a9de9248
MH		 1755 struct hci_cp_sniff_mode *cp;
1756 struct hci_conn *conn;
1da177e4 1757
9f1db00c 1758 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1759
a9de9248
MH		 1760 if (!status)
1761 return;
04837f64 1762
a9de9248
MH		 1763 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1764 if (!cp)
1765 return;
04837f64 1766
a9de9248 1767 hci_dev_lock(hdev);
04837f64 1768
a9de9248 1769 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1770 if (conn) {
51a8efd7 1771 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1772
51a8efd7 1773 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1774 hci_sco_setup(conn, status);
1775 }
1776
a9de9248
MH		 1777 hci_dev_unlock(hdev);
1778}
04837f64 1779
a9de9248
MH		 1780static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1781{
1782 struct hci_cp_exit_sniff_mode *cp;
1783 struct hci_conn *conn;
04837f64 1784
9f1db00c 1785 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1786
a9de9248
MH		 1787 if (!status)
1788 return;
04837f64 1789
a9de9248
MH		 1790 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1791 if (!cp)
1792 return;
04837f64 1793
a9de9248 1794 hci_dev_lock(hdev);
1da177e4 1795
a9de9248 1796 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1797 if (conn) {
51a8efd7 1798 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1799
51a8efd7 1800 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1801 hci_sco_setup(conn, status);
1802 }
1803
a9de9248 1804 hci_dev_unlock(hdev);
1da177e4
LT		 1805}
1806
88c3df13
JH		 1807static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1808{
1809 struct hci_cp_disconnect *cp;
1810 struct hci_conn *conn;
1811
1812 if (!status)
1813 return;
1814
1815 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1816 if (!cp)
1817 return;
1818
1819 hci_dev_lock(hdev);
1820
1821 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1822 if (conn)
1823 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1824 conn->dst_type, status);
88c3df13
JH		 1825
1826 hci_dev_unlock(hdev);
1827}
1828
a02226d6
AE		 1829static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1830{
93c284ee
AE		 1831 struct hci_cp_create_phy_link *cp;
1832
a02226d6 1833 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1834
93c284ee
AE		 1835 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1836 if (!cp)
1837 return;
1838
e58917b9
AE		 1839 hci_dev_lock(hdev);
1840
1841 if (status) {
1842 struct hci_conn *hcon;
1843
1844 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1845 if (hcon)
1846 hci_conn_del(hcon);
1847 } else {
1848 amp_write_remote_assoc(hdev, cp->phy_handle);
1849 }
1850
1851 hci_dev_unlock(hdev);
a02226d6
AE		 1852}
1853
0b26ab9d
AE		 1854static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1855{
1856 struct hci_cp_accept_phy_link *cp;
1857
1858 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1859
1860 if (status)
1861 return;
1862
1863 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1864 if (!cp)
1865 return;
1866
1867 amp_write_remote_assoc(hdev, cp->phy_handle);
1868}
1869
cb1d68f7
JH		 1870static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1871{
1872 struct hci_cp_le_create_conn *cp;
1873 struct hci_conn *conn;
1874
1875 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1876
1877 /* All connection failure handling is taken care of by the
1878 * hci_le_conn_failed function which is triggered by the HCI
1879 * request completion callbacks used for connecting.
1880 */
1881 if (status)
1882 return;
1883
1884 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1885 if (!cp)
1886 return;
1887
1888 hci_dev_lock(hdev);
1889
1890 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1891 if (!conn)
1892 goto unlock;
1893
1894 /* Store the initiator and responder address information which
1895 * is needed for SMP. These values will not change during the
1896 * lifetime of the connection.
1897 */
1898 conn->init_addr_type = cp->own_address_type;
1899 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1900 bacpy(&conn->init_addr, &hdev->random_addr);
1901 else
1902 bacpy(&conn->init_addr, &hdev->bdaddr);
1903
1904 conn->resp_addr_type = cp->peer_addr_type;
1905 bacpy(&conn->resp_addr, &cp->peer_addr);
1906
9489eca4
JH		 1907 /* We don't want the connection attempt to stick around
1908 * indefinitely since LE doesn't have a page timeout concept
1909 * like BR/EDR. Set a timer for any connection that doesn't use
1910 * the white list for connecting.
1911 */
1912 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1913 queue_delayed_work(conn->hdev->workqueue,
1914 &conn->le_conn_timeout,
09ae260b 1915 conn->conn_timeout);
9489eca4 1916
cb1d68f7
JH		 1917unlock:
1918 hci_dev_unlock(hdev);
1919}
1920
81d0c8ad
JH		 1921static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1922{
1923 struct hci_cp_le_start_enc *cp;
1924 struct hci_conn *conn;
1925
1926 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1927
1928 if (!status)
1929 return;
1930
1931 hci_dev_lock(hdev);
1932
1933 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1934 if (!cp)
1935 goto unlock;
1936
1937 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1938 if (!conn)
1939 goto unlock;
1940
1941 if (conn->state != BT_CONNECTED)
1942 goto unlock;
1943
1944 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1945 hci_conn_drop(conn);
1946
1947unlock:
1948 hci_dev_unlock(hdev);
1949}
1950
50fc85f1
KP		 1951static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
1952{
1953 struct hci_cp_switch_role *cp;
1954 struct hci_conn *conn;
1955
1956 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1957
1958 if (!status)
1959 return;
1960
1961 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
1962 if (!cp)
1963 return;
1964
1965 hci_dev_lock(hdev);
1966
1967 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1968 if (conn)
1969 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
1970
1971 hci_dev_unlock(hdev);
1972}
1973
6039aa73 1974static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1975{
1976 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1977 struct discovery_state *discov = &hdev->discovery;
1978 struct inquiry_entry *e;
1da177e4 1979
9f1db00c 1980 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1981
a9de9248 1982 hci_conn_check_pending(hdev);
89352e7d
AG		 1983
1984 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1985 return;
1986
4e857c58 1987 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1988 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1989
a8b2d5c2 1990 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1991 return;
1992
56e5cb86 1993 hci_dev_lock(hdev);
30dc78e1 1994
343f935b 1995 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1996 goto unlock;
1997
1998 if (list_empty(&discov->resolve)) {
1999 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2000 goto unlock;
2001 }
2002
2003 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2004 if (e && hci_resolve_name(hdev, e) == 0) {
2005 e->name_state = NAME_PENDING;
2006 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2007 } else {
2008 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2009 }
2010
2011unlock:
56e5cb86 2012 hci_dev_unlock(hdev);
1da177e4
LT		 2013}
2014
6039aa73 2015static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2016{
45bb4bf0 2017 struct inquiry_data data;
a9de9248 2018 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 2019 int num_rsp = *((__u8 *) skb->data);
2020
2021 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2022
45bb4bf0
MH		 2023 if (!num_rsp)
2024 return;
2025
1519cc17
AG		 2026 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2027 return;
2028
1da177e4 2029 hci_dev_lock(hdev);
45bb4bf0 2030
e17acd40 2031 for (; num_rsp; num_rsp--, info++) {
af58925c 2032 u32 flags;
3175405b 2033
1da177e4
LT		 2034 bacpy(&data.bdaddr, &info->bdaddr);
2035 data.pscan_rep_mode = info->pscan_rep_mode;
2036 data.pscan_period_mode = info->pscan_period_mode;
2037 data.pscan_mode = info->pscan_mode;
2038 memcpy(data.dev_class, info->dev_class, 3);
2039 data.clock_offset = info->clock_offset;
2040 data.rssi = 0x00;
41a96212 2041 data.ssp_mode = 0x00;
3175405b 2042
af58925c
MH		 2043 flags = hci_inquiry_cache_update(hdev, &data, false);
2044
48264f06 2045 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2046 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2047 }
45bb4bf0 2048
1da177e4
LT		 2049 hci_dev_unlock(hdev);
2050}
2051
6039aa73 2052static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2053{
a9de9248
MH		 2054 struct hci_ev_conn_complete *ev = (void *) skb->data;
2055 struct hci_conn *conn;
1da177e4
LT		 2056
2057 BT_DBG("%s", hdev->name);
2058
2059 hci_dev_lock(hdev);
2060
2061 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2062 if (!conn) {
2063 if (ev->link_type != SCO_LINK)
2064 goto unlock;
2065
2066 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2067 if (!conn)
2068 goto unlock;
2069
2070 conn->type = SCO_LINK;
2071 }
1da177e4
LT		 2072
2073 if (!ev->status) {
2074 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2075
2076 if (conn->type == ACL_LINK) {
2077 conn->state = BT_CONFIG;
2078 hci_conn_hold(conn);
a9ea3ed9
SJ		 2079
2080 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2081 !hci_find_link_key(hdev, &ev->bdaddr))
2082 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2083 else
2084 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2085 } else
2086 conn->state = BT_CONNECTED;
1da177e4 2087
7d0db0a3
MH		 2088 hci_conn_add_sysfs(conn);
2089
1da177e4 2090 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2091 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2092
2093 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2094 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2095
04837f64
MH		 2096 /* Get remote features */
2097 if (conn->type == ACL_LINK) {
2098 struct hci_cp_read_remote_features cp;
2099 cp.handle = ev->handle;
769be974 2100 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2101 sizeof(cp), &cp);
22f433dc
JH		 2102
2103 hci_update_page_scan(hdev, NULL);
04837f64
MH		 2104 }
2105
1da177e4 2106 /* Set packet type for incoming connection */
d095c1eb 2107 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2108 struct hci_cp_change_conn_ptype cp;
2109 cp.handle = ev->handle;
a8746417 2110 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2111 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2112 &cp);
1da177e4 2113 }
17d5c04c 2114 } else {
1da177e4 2115 conn->state = BT_CLOSED;
17d5c04c 2116 if (conn->type == ACL_LINK)
64c7b77c 2117 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2118 conn->dst_type, ev->status);
17d5c04c 2119 }
1da177e4 2120
e73439d8
MH		 2121 if (conn->type == ACL_LINK)
2122 hci_sco_setup(conn, ev->status);
1da177e4 2123
769be974
MH		 2124 if (ev->status) {
2125 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2126 hci_conn_del(conn);
c89b6e6b
MH		 2127 } else if (ev->link_type != ACL_LINK)
2128 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2129
a9de9248 2130unlock:
1da177e4 2131 hci_dev_unlock(hdev);
1da177e4 2132
a9de9248 2133 hci_conn_check_pending(hdev);
1da177e4
LT		 2134}
2135
70c46425
JH		 2136static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2137{
2138 struct hci_cp_reject_conn_req cp;
2139
2140 bacpy(&cp.bdaddr, bdaddr);
2141 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2142 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2143}
2144
6039aa73 2145static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2146{
a9de9248
MH		 2147 struct hci_ev_conn_request *ev = (void *) skb->data;
2148 int mask = hdev->link_mode;
70c46425
JH		 2149 struct inquiry_entry *ie;
2150 struct hci_conn *conn;
20714bfe 2151 __u8 flags = 0;
1da177e4 2152
6ed93dc6 2153 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2154 ev->link_type);
1da177e4 2155
20714bfe
FD		 2156 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2157 &flags);
1da177e4 2158
70c46425
JH		 2159 if (!(mask & HCI_LM_ACCEPT)) {
2160 hci_reject_conn(hdev, &ev->bdaddr);
2161 return;
2162 }
2163
46c4c941
JH		 2164 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2165 BDADDR_BREDR)) {
2166 hci_reject_conn(hdev, &ev->bdaddr);
2167 return;
2168 }
2169
2170 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2171 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2172 BDADDR_BREDR)) {
2173 hci_reject_conn(hdev, &ev->bdaddr);
2174 return;
70c46425 2175 }
1da177e4 2176
70c46425 2177 /* Connection accepted */
b6a0dc82 2178
70c46425
JH		 2179 hci_dev_lock(hdev);
2180
2181 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2182 if (ie)
2183 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2184
70c46425
JH		 2185 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2186 &ev->bdaddr);
2187 if (!conn) {
a5c4e309
JH		 2188 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2189 HCI_ROLE_SLAVE);
a9de9248 2190 if (!conn) {
70c46425
JH		 2191 BT_ERR("No memory for new connection");
2192 hci_dev_unlock(hdev);
2193 return;
1da177e4 2194 }
70c46425 2195 }
b6a0dc82 2196
70c46425 2197 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2198
70c46425 2199 hci_dev_unlock(hdev);
1da177e4 2200
70c46425
JH		 2201 if (ev->link_type == ACL_LINK ||
2202 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2203 struct hci_cp_accept_conn_req cp;
2204 conn->state = BT_CONNECT;
1da177e4 2205
70c46425 2206 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2207
70c46425
JH		 2208 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2209 cp.role = 0x00; /* Become master */
2210 else
2211 cp.role = 0x01; /* Remain slave */
b6a0dc82 2212
70c46425
JH		 2213 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2214 } else if (!(flags & HCI_PROTO_DEFER)) {
2215 struct hci_cp_accept_sync_conn_req cp;
2216 conn->state = BT_CONNECT;
b6a0dc82 2217
70c46425
JH		 2218 bacpy(&cp.bdaddr, &ev->bdaddr);
2219 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2220
70c46425
JH		 2221 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2222 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2223 cp.max_latency = cpu_to_le16(0xffff);
2224 cp.content_format = cpu_to_le16(hdev->voice_setting);
2225 cp.retrans_effort = 0xff;
1da177e4 2226
70c46425
JH		 2227 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2228 &cp);
a9de9248 2229 } else {
70c46425
JH		 2230 conn->state = BT_CONNECT2;
2231 hci_proto_connect_cfm(conn, 0);
1da177e4 2232 }
1da177e4
LT		 2233}
2234
f0d6a0ea
MA		 2235static u8 hci_to_mgmt_reason(u8 err)
2236{
2237 switch (err) {
2238 case HCI_ERROR_CONNECTION_TIMEOUT:
2239 return MGMT_DEV_DISCONN_TIMEOUT;
2240 case HCI_ERROR_REMOTE_USER_TERM:
2241 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2242 case HCI_ERROR_REMOTE_POWER_OFF:
2243 return MGMT_DEV_DISCONN_REMOTE;
2244 case HCI_ERROR_LOCAL_HOST_TERM:
2245 return MGMT_DEV_DISCONN_LOCAL_HOST;
2246 default:
2247 return MGMT_DEV_DISCONN_UNKNOWN;
2248 }
2249}
2250
6039aa73 2251static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2252{
a9de9248 2253 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2254 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2255 struct hci_conn_params *params;
04837f64 2256 struct hci_conn *conn;
12d4a3b2 2257 bool mgmt_connected;
3846220b 2258 u8 type;
04837f64 2259
9f1db00c 2260 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2261
2262 hci_dev_lock(hdev);
2263
2264 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2265 if (!conn)
2266 goto unlock;
7d0db0a3 2267
abf54a50
AG		 2268 if (ev->status) {
2269 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2270 conn->dst_type, ev->status);
2271 goto unlock;
37d9ef76 2272 }
f7520543 2273
3846220b
AG		 2274 conn->state = BT_CLOSED;
2275
12d4a3b2
JH		 2276 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2277 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2278 reason, mgmt_connected);
abf54a50 2279
22f433dc
JH		 2280 if (conn->type == ACL_LINK) {
2281 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2282 hci_remove_link_key(hdev, &conn->dst);
2283
2284 hci_update_page_scan(hdev, NULL);
2285 }
2210246c 2286
9fcb18ef
AG		 2287 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2288 if (params) {
2289 switch (params->auto_connect) {
2290 case HCI_AUTO_CONN_LINK_LOSS:
2291 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2292 break;
2293 /* Fall through */
2294
4b9e7e75 2295 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2296 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2297 list_del_init(&params->action);
2298 list_add(&params->action, &hdev->pend_le_conns);
2299 hci_update_background_scan(hdev);
9fcb18ef
AG		 2300 break;
2301
2302 default:
2303 break;
2304 }
2305 }
2306
3846220b 2307 type = conn->type;
2210246c 2308
3846220b
AG		 2309 hci_proto_disconn_cfm(conn, ev->reason);
2310 hci_conn_del(conn);
2311
2312 /* Re-enable advertising if necessary, since it might
2313 * have been disabled by the connection. From the
2314 * HCI_LE_Set_Advertise_Enable command description in
2315 * the core specification (v4.0):
2316 * "The Controller shall continue advertising until the Host
2317 * issues an LE_Set_Advertise_Enable command with
2318 * Advertising_Enable set to 0x00 (Advertising is disabled)
2319 * or until a connection is created or until the Advertising
2320 * is timed out due to Directed Advertising."
2321 */
2322 if (type == LE_LINK)
2323 mgmt_reenable_advertising(hdev);
f7520543
JH		 2324
2325unlock:
04837f64
MH		 2326 hci_dev_unlock(hdev);
2327}
2328
6039aa73 2329static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2330{
a9de9248 2331 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2332 struct hci_conn *conn;
1da177e4 2333
9f1db00c 2334 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2335
2336 hci_dev_lock(hdev);
2337
04837f64 2338 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2339 if (!conn)
2340 goto unlock;
2341
2342 if (!ev->status) {
aa64a8b5 2343 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2344 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2345 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2346 } else {
4dae2798 2347 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2348 conn->sec_level = conn->pending_sec_level;
2a611692 2349 }
d7556e20 2350 } else {
e1e930f5 2351 mgmt_auth_failed(conn, ev->status);
d7556e20 2352 }
1da177e4 2353
51a8efd7
JH		 2354 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2355 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2356
d7556e20 2357 if (conn->state == BT_CONFIG) {
aa64a8b5 2358 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2359 struct hci_cp_set_conn_encrypt cp;
2360 cp.handle = ev->handle;
2361 cp.encrypt = 0x01;
2362 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2363 &cp);
052b30b0 2364 } else {
d7556e20
WR		 2365 conn->state = BT_CONNECTED;
2366 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2367 hci_conn_drop(conn);
052b30b0 2368 }
d7556e20
WR		 2369 } else {
2370 hci_auth_cfm(conn, ev->status);
052b30b0 2371
d7556e20
WR		 2372 hci_conn_hold(conn);
2373 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2374 hci_conn_drop(conn);
d7556e20
WR		 2375 }
2376
51a8efd7 2377 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2378 if (!ev->status) {
2379 struct hci_cp_set_conn_encrypt cp;
2380 cp.handle = ev->handle;
2381 cp.encrypt = 0x01;
2382 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2383 &cp);
d7556e20 2384 } else {
51a8efd7 2385 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2386 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2387 }
2388 }
2389
d7556e20 2390unlock:
1da177e4
LT		 2391 hci_dev_unlock(hdev);
2392}
2393
6039aa73 2394static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2395{
127178d2
JH		 2396 struct hci_ev_remote_name *ev = (void *) skb->data;
2397 struct hci_conn *conn;
2398
a9de9248 2399 BT_DBG("%s", hdev->name);
1da177e4 2400
a9de9248 2401 hci_conn_check_pending(hdev);
127178d2
JH		 2402
2403 hci_dev_lock(hdev);
2404
b644ba33 2405 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2406
b644ba33
JH		 2407 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2408 goto check_auth;
a88a9652 2409
b644ba33
JH		 2410 if (ev->status == 0)
2411 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2412 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2413 else
2414 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2415
2416check_auth:
79c6c70c
JH		 2417 if (!conn)
2418 goto unlock;
2419
2420 if (!hci_outgoing_auth_needed(hdev, conn))
2421 goto unlock;
2422
51a8efd7 2423 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2424 struct hci_cp_auth_requested cp;
977f8fce
JH		 2425
2426 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2427
127178d2
JH		 2428 cp.handle = __cpu_to_le16(conn->handle);
2429 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2430 }
2431
79c6c70c 2432unlock:
127178d2 2433 hci_dev_unlock(hdev);
a9de9248
MH		 2434}
2435
6039aa73 2436static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2437{
2438 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2439 struct hci_conn *conn;
2440
9f1db00c 2441 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2442
2443 hci_dev_lock(hdev);
2444
04837f64 2445 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2446 if (!conn)
2447 goto unlock;
1da177e4 2448
dc8357cc
MH		 2449 if (!ev->status) {
2450 if (ev->encrypt) {
2451 /* Encryption implies authentication */
4dae2798
JH		 2452 set_bit(HCI_CONN_AUTH, &conn->flags);
2453 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2454 conn->sec_level = conn->pending_sec_level;
abf76bad 2455
914a6ffe
MH		 2456 /* P-256 authentication key implies FIPS */
2457 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2458 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2459
abf76bad
MH		 2460 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2461 conn->type == LE_LINK)
2462 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2463 } else {
4dae2798 2464 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2465 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2466 }
dc8357cc 2467 }
a7d7723a 2468
7ed3fa20
JH		 2469 /* We should disregard the current RPA and generate a new one
2470 * whenever the encryption procedure fails.
2471 */
2472 if (ev->status && conn->type == LE_LINK)
2473 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2474
dc8357cc 2475 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2476
dc8357cc
MH		 2477 if (ev->status && conn->state == BT_CONNECTED) {
2478 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2479 hci_conn_drop(conn);
2480 goto unlock;
1da177e4
LT		 2481 }
2482
dc8357cc
MH		 2483 if (conn->state == BT_CONFIG) {
2484 if (!ev->status)
2485 conn->state = BT_CONNECTED;
2486
40b552aa
MH		 2487 /* In Secure Connections Only mode, do not allow any
2488 * connections that are not encrypted with AES-CCM
2489 * using a P-256 authenticated combination key.
2490 */
2491 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2492 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2493 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2494 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2495 hci_conn_drop(conn);
2496 goto unlock;
2497 }
2498
dc8357cc
MH		 2499 hci_proto_connect_cfm(conn, ev->status);
2500 hci_conn_drop(conn);
2501 } else
2502 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2503
a7d7723a 2504unlock:
1da177e4
LT		 2505 hci_dev_unlock(hdev);
2506}
2507
6039aa73
GP		 2508static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2509 struct sk_buff *skb)
1da177e4 2510{
a9de9248 2511 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2512 struct hci_conn *conn;
1da177e4 2513
9f1db00c 2514 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2515
2516 hci_dev_lock(hdev);
2517
04837f64 2518 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2519 if (conn) {
2520 if (!ev->status)
4dae2798 2521 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2522
51a8efd7 2523 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2524
2525 hci_key_change_cfm(conn, ev->status);
2526 }
2527
2528 hci_dev_unlock(hdev);
2529}
2530
6039aa73
GP		 2531static void hci_remote_features_evt(struct hci_dev *hdev,
2532 struct sk_buff *skb)
1da177e4 2533{
a9de9248
MH		 2534 struct hci_ev_remote_features *ev = (void *) skb->data;
2535 struct hci_conn *conn;
2536
9f1db00c 2537 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2538
a9de9248
MH		 2539 hci_dev_lock(hdev);
2540
2541 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2542 if (!conn)
2543 goto unlock;
769be974 2544
ccd556fe 2545 if (!ev->status)
cad718ed 2546 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2547
2548 if (conn->state != BT_CONFIG)
2549 goto unlock;
2550
2551 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2552 struct hci_cp_read_remote_ext_features cp;
2553 cp.handle = ev->handle;
2554 cp.page = 0x01;
2555 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2556 sizeof(cp), &cp);
392599b9
JH		 2557 goto unlock;
2558 }
2559
671267bf 2560 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2561 struct hci_cp_remote_name_req cp;
2562 memset(&cp, 0, sizeof(cp));
2563 bacpy(&cp.bdaddr, &conn->dst);
2564 cp.pscan_rep_mode = 0x02;
2565 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2566 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2567 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2568
127178d2 2569 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2570 conn->state = BT_CONNECTED;
2571 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2572 hci_conn_drop(conn);
769be974 2573 }
a9de9248 2574
ccd556fe 2575unlock:
a9de9248 2576 hci_dev_unlock(hdev);
1da177e4
LT		 2577}
2578
6039aa73 2579static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2580{
2581 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2582 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2583 __u16 opcode;
2584
2585 skb_pull(skb, sizeof(*ev));
2586
2587 opcode = __le16_to_cpu(ev->opcode);
2588
2589 switch (opcode) {
2590 case HCI_OP_INQUIRY_CANCEL:
2591 hci_cc_inquiry_cancel(hdev, skb);
2592 break;
2593
4d93483b
AG		 2594 case HCI_OP_PERIODIC_INQ:
2595 hci_cc_periodic_inq(hdev, skb);
2596 break;
2597
a9de9248
MH		 2598 case HCI_OP_EXIT_PERIODIC_INQ:
2599 hci_cc_exit_periodic_inq(hdev, skb);
2600 break;
2601
2602 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2603 hci_cc_remote_name_req_cancel(hdev, skb);
2604 break;
2605
2606 case HCI_OP_ROLE_DISCOVERY:
2607 hci_cc_role_discovery(hdev, skb);
2608 break;
2609
e4e8e37c
MH		 2610 case HCI_OP_READ_LINK_POLICY:
2611 hci_cc_read_link_policy(hdev, skb);
2612 break;
2613
a9de9248
MH		 2614 case HCI_OP_WRITE_LINK_POLICY:
2615 hci_cc_write_link_policy(hdev, skb);
2616 break;
2617
e4e8e37c
MH		 2618 case HCI_OP_READ_DEF_LINK_POLICY:
2619 hci_cc_read_def_link_policy(hdev, skb);
2620 break;
2621
2622 case HCI_OP_WRITE_DEF_LINK_POLICY:
2623 hci_cc_write_def_link_policy(hdev, skb);
2624 break;
2625
a9de9248
MH		 2626 case HCI_OP_RESET:
2627 hci_cc_reset(hdev, skb);
2628 break;
2629
2630 case HCI_OP_WRITE_LOCAL_NAME:
2631 hci_cc_write_local_name(hdev, skb);
2632 break;
2633
2634 case HCI_OP_READ_LOCAL_NAME:
2635 hci_cc_read_local_name(hdev, skb);
2636 break;
2637
2638 case HCI_OP_WRITE_AUTH_ENABLE:
2639 hci_cc_write_auth_enable(hdev, skb);
2640 break;
2641
2642 case HCI_OP_WRITE_ENCRYPT_MODE:
2643 hci_cc_write_encrypt_mode(hdev, skb);
2644 break;
2645
2646 case HCI_OP_WRITE_SCAN_ENABLE:
2647 hci_cc_write_scan_enable(hdev, skb);
2648 break;
2649
2650 case HCI_OP_READ_CLASS_OF_DEV:
2651 hci_cc_read_class_of_dev(hdev, skb);
2652 break;
2653
2654 case HCI_OP_WRITE_CLASS_OF_DEV:
2655 hci_cc_write_class_of_dev(hdev, skb);
2656 break;
2657
2658 case HCI_OP_READ_VOICE_SETTING:
2659 hci_cc_read_voice_setting(hdev, skb);
2660 break;
2661
2662 case HCI_OP_WRITE_VOICE_SETTING:
2663 hci_cc_write_voice_setting(hdev, skb);
2664 break;
2665
b4cb9fb2
MH		 2666 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2667 hci_cc_read_num_supported_iac(hdev, skb);
2668 break;
2669
333140b5
MH		 2670 case HCI_OP_WRITE_SSP_MODE:
2671 hci_cc_write_ssp_mode(hdev, skb);
2672 break;
2673
eac83dc6
MH		 2674 case HCI_OP_WRITE_SC_SUPPORT:
2675 hci_cc_write_sc_support(hdev, skb);
2676 break;
2677
a9de9248
MH		 2678 case HCI_OP_READ_LOCAL_VERSION:
2679 hci_cc_read_local_version(hdev, skb);
2680 break;
2681
2682 case HCI_OP_READ_LOCAL_COMMANDS:
2683 hci_cc_read_local_commands(hdev, skb);
2684 break;
2685
2686 case HCI_OP_READ_LOCAL_FEATURES:
2687 hci_cc_read_local_features(hdev, skb);
2688 break;
2689
971e3a4b
AG		 2690 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2691 hci_cc_read_local_ext_features(hdev, skb);
2692 break;
2693
a9de9248
MH		 2694 case HCI_OP_READ_BUFFER_SIZE:
2695 hci_cc_read_buffer_size(hdev, skb);
2696 break;
2697
2698 case HCI_OP_READ_BD_ADDR:
2699 hci_cc_read_bd_addr(hdev, skb);
2700 break;
2701
f332ec66
JH		 2702 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2703 hci_cc_read_page_scan_activity(hdev, skb);
2704 break;
2705
4a3ee763
JH		 2706 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2707 hci_cc_write_page_scan_activity(hdev, skb);
2708 break;
2709
f332ec66
JH		 2710 case HCI_OP_READ_PAGE_SCAN_TYPE:
2711 hci_cc_read_page_scan_type(hdev, skb);
2712 break;
2713
4a3ee763
JH		 2714 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2715 hci_cc_write_page_scan_type(hdev, skb);
2716 break;
2717
350ee4cf
AE		 2718 case HCI_OP_READ_DATA_BLOCK_SIZE:
2719 hci_cc_read_data_block_size(hdev, skb);
2720 break;
2721
1e89cffb
AE		 2722 case HCI_OP_READ_FLOW_CONTROL_MODE:
2723 hci_cc_read_flow_control_mode(hdev, skb);
2724 break;
2725
928abaa7
AE		 2726 case HCI_OP_READ_LOCAL_AMP_INFO:
2727 hci_cc_read_local_amp_info(hdev, skb);
2728 break;
2729
33f35721
JH		 2730 case HCI_OP_READ_CLOCK:
2731 hci_cc_read_clock(hdev, skb);
2732 break;
2733
903e4541
AE		 2734 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2735 hci_cc_read_local_amp_assoc(hdev, skb);
2736 break;
2737
d5859e22
JH		 2738 case HCI_OP_READ_INQ_RSP_TX_POWER:
2739 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2740 break;
2741
980e1a53
JH		 2742 case HCI_OP_PIN_CODE_REPLY:
2743 hci_cc_pin_code_reply(hdev, skb);
2744 break;
2745
2746 case HCI_OP_PIN_CODE_NEG_REPLY:
2747 hci_cc_pin_code_neg_reply(hdev, skb);
2748 break;
2749
c35938b2 2750 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2751 hci_cc_read_local_oob_data(hdev, skb);
2752 break;
2753
2754 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2755 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2756 break;
2757
6ed58ec5
VT		 2758 case HCI_OP_LE_READ_BUFFER_SIZE:
2759 hci_cc_le_read_buffer_size(hdev, skb);
2760 break;
2761
60e77321
JH		 2762 case HCI_OP_LE_READ_LOCAL_FEATURES:
2763 hci_cc_le_read_local_features(hdev, skb);
2764 break;
2765
8fa19098
JH		 2766 case HCI_OP_LE_READ_ADV_TX_POWER:
2767 hci_cc_le_read_adv_tx_power(hdev, skb);
2768 break;
2769
a5c29683
JH		 2770 case HCI_OP_USER_CONFIRM_REPLY:
2771 hci_cc_user_confirm_reply(hdev, skb);
2772 break;
2773
2774 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2775 hci_cc_user_confirm_neg_reply(hdev, skb);
2776 break;
2777
1143d458
BG		 2778 case HCI_OP_USER_PASSKEY_REPLY:
2779 hci_cc_user_passkey_reply(hdev, skb);
2780 break;
2781
2782 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2783 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2784 break;
07f7fa5d 2785
7a4cd51d
MH		 2786 case HCI_OP_LE_SET_RANDOM_ADDR:
2787 hci_cc_le_set_random_addr(hdev, skb);
2788 break;
2789
c1d5dc4a
JH		 2790 case HCI_OP_LE_SET_ADV_ENABLE:
2791 hci_cc_le_set_adv_enable(hdev, skb);
2792 break;
2793
533553f8
MH		 2794 case HCI_OP_LE_SET_SCAN_PARAM:
2795 hci_cc_le_set_scan_param(hdev, skb);
2796 break;
2797
eb9d91f5
AG		 2798 case HCI_OP_LE_SET_SCAN_ENABLE:
2799 hci_cc_le_set_scan_enable(hdev, skb);
2800 break;
2801
cf1d081f
JH		 2802 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2803 hci_cc_le_read_white_list_size(hdev, skb);
2804 break;
2805
0f36b589
MH		 2806 case HCI_OP_LE_CLEAR_WHITE_LIST:
2807 hci_cc_le_clear_white_list(hdev, skb);
2808 break;
2809
2810 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2811 hci_cc_le_add_to_white_list(hdev, skb);
2812 break;
2813
2814 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2815 hci_cc_le_del_from_white_list(hdev, skb);
2816 break;
2817
9b008c04
JH		 2818 case HCI_OP_LE_READ_SUPPORTED_STATES:
2819 hci_cc_le_read_supported_states(hdev, skb);
2820 break;
2821
f9b49306
AG		 2822 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2823 hci_cc_write_le_host_supported(hdev, skb);
2824 break;
2825
56ed2cb8
JH		 2826 case HCI_OP_LE_SET_ADV_PARAM:
2827 hci_cc_set_adv_param(hdev, skb);
2828 break;
2829
93c284ee
AE		 2830 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2831 hci_cc_write_remote_amp_assoc(hdev, skb);
2832 break;
2833
5ae76a94
AK		 2834 case HCI_OP_READ_RSSI:
2835 hci_cc_read_rssi(hdev, skb);
2836 break;
2837
5a134fae
AK		 2838 case HCI_OP_READ_TX_POWER:
2839 hci_cc_read_tx_power(hdev, skb);
2840 break;
2841
a9de9248 2842 default:
9f1db00c 2843 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2844 break;
2845 }
2846
ad82cdd1 2847 if (opcode != HCI_OP_NOP)
65cc2b49 2848 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2849
ad82cdd1 2850 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2851
dbccd791 2852 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2853 atomic_set(&hdev->cmd_cnt, 1);
2854 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2855 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2856 }
2857}
2858
6039aa73 2859static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2860{
2861 struct hci_ev_cmd_status *ev = (void *) skb->data;
2862 __u16 opcode;
2863
2864 skb_pull(skb, sizeof(*ev));
2865
2866 opcode = __le16_to_cpu(ev->opcode);
2867
2868 switch (opcode) {
2869 case HCI_OP_INQUIRY:
2870 hci_cs_inquiry(hdev, ev->status);
2871 break;
2872
2873 case HCI_OP_CREATE_CONN:
2874 hci_cs_create_conn(hdev, ev->status);
2875 break;
2876
9645c76c
KP		 2877 case HCI_OP_DISCONNECT:
2878 hci_cs_disconnect(hdev, ev->status);
2879 break;
2880
a9de9248
MH		 2881 case HCI_OP_ADD_SCO:
2882 hci_cs_add_sco(hdev, ev->status);
2883 break;
2884
f8558555
MH		 2885 case HCI_OP_AUTH_REQUESTED:
2886 hci_cs_auth_requested(hdev, ev->status);
2887 break;
2888
2889 case HCI_OP_SET_CONN_ENCRYPT:
2890 hci_cs_set_conn_encrypt(hdev, ev->status);
2891 break;
2892
a9de9248
MH		 2893 case HCI_OP_REMOTE_NAME_REQ:
2894 hci_cs_remote_name_req(hdev, ev->status);
2895 break;
2896
769be974
MH		 2897 case HCI_OP_READ_REMOTE_FEATURES:
2898 hci_cs_read_remote_features(hdev, ev->status);
2899 break;
2900
2901 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2902 hci_cs_read_remote_ext_features(hdev, ev->status);
2903 break;
2904
a9de9248
MH		 2905 case HCI_OP_SETUP_SYNC_CONN:
2906 hci_cs_setup_sync_conn(hdev, ev->status);
2907 break;
2908
9645c76c
KP		 2909 case HCI_OP_CREATE_PHY_LINK:
2910 hci_cs_create_phylink(hdev, ev->status);
2911 break;
2912
2913 case HCI_OP_ACCEPT_PHY_LINK:
2914 hci_cs_accept_phylink(hdev, ev->status);
2915 break;
2916
a9de9248
MH		 2917 case HCI_OP_SNIFF_MODE:
2918 hci_cs_sniff_mode(hdev, ev->status);
2919 break;
2920
2921 case HCI_OP_EXIT_SNIFF_MODE:
2922 hci_cs_exit_sniff_mode(hdev, ev->status);
2923 break;
2924
50fc85f1
KP		 2925 case HCI_OP_SWITCH_ROLE:
2926 hci_cs_switch_role(hdev, ev->status);
2927 break;
2928
cb1d68f7
JH		 2929 case HCI_OP_LE_CREATE_CONN:
2930 hci_cs_le_create_conn(hdev, ev->status);
2931 break;
2932
81d0c8ad
JH		 2933 case HCI_OP_LE_START_ENC:
2934 hci_cs_le_start_enc(hdev, ev->status);
2935 break;
2936
a9de9248 2937 default:
9f1db00c 2938 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2939 break;
2940 }
2941
ad82cdd1 2942 if (opcode != HCI_OP_NOP)
65cc2b49 2943 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2944
02350a72
JH		 2945 if (ev->status ||
2946 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2947 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2948
10572132 2949 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2950 atomic_set(&hdev->cmd_cnt, 1);
2951 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2952 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2953 }
2954}
2955
24dfa343
MH		 2956static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
2957{
2958 struct hci_ev_hardware_error *ev = (void *) skb->data;
2959
2960 BT_ERR("%s hardware error 0x%2.2x", hdev->name, ev->code);
2961}
2962
6039aa73 2963static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2964{
2965 struct hci_ev_role_change *ev = (void *) skb->data;
2966 struct hci_conn *conn;
2967
9f1db00c 2968 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2969
2970 hci_dev_lock(hdev);
2971
2972 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2973 if (conn) {
40bef302
JH		 2974 if (!ev->status)
2975 conn->role = ev->role;
a9de9248 2976
51a8efd7 2977 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2978
2979 hci_role_switch_cfm(conn, ev->status, ev->role);
2980 }
2981
2982 hci_dev_unlock(hdev);
2983}
2984
6039aa73 2985static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2986{
2987 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2988 int i;
2989
32ac5b9b
AE		 2990 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2991 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2992 return;
2993 }
2994
c5993de8 2995 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2996 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2997 BT_DBG("%s bad parameters", hdev->name);
2998 return;
2999 }
3000
c5993de8
AE		 3001 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3002
613a1c0c
AE		 3003 for (i = 0; i < ev->num_hndl; i++) {
3004 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3005 struct hci_conn *conn;
3006 __u16 handle, count;
3007
613a1c0c
AE		 3008 handle = __le16_to_cpu(info->handle);
3009 count = __le16_to_cpu(info->count);
a9de9248
MH		 3010
3011 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3012 if (!conn)
3013 continue;
3014
3015 conn->sent -= count;
3016
3017 switch (conn->type) {
3018 case ACL_LINK:
3019 hdev->acl_cnt += count;
3020 if (hdev->acl_cnt > hdev->acl_pkts)
3021 hdev->acl_cnt = hdev->acl_pkts;
3022 break;
3023
3024 case LE_LINK:
3025 if (hdev->le_pkts) {
3026 hdev->le_cnt += count;
3027 if (hdev->le_cnt > hdev->le_pkts)
3028 hdev->le_cnt = hdev->le_pkts;
3029 } else {
70f23020
AE		 3030 hdev->acl_cnt += count;
3031 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3032 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3033 }
f4280918
AE		 3034 break;
3035
3036 case SCO_LINK:
3037 hdev->sco_cnt += count;
3038 if (hdev->sco_cnt > hdev->sco_pkts)
3039 hdev->sco_cnt = hdev->sco_pkts;
3040 break;
3041
3042 default:
3043 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3044 break;
a9de9248
MH		 3045 }
3046 }
3047
3eff45ea 3048 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3049}
3050
76ef7cf7
AE		 3051static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3052 __u16 handle)
3053{
3054 struct hci_chan *chan;
3055
3056 switch (hdev->dev_type) {
3057 case HCI_BREDR:
3058 return hci_conn_hash_lookup_handle(hdev, handle);
3059 case HCI_AMP:
3060 chan = hci_chan_lookup_handle(hdev, handle);
3061 if (chan)
3062 return chan->conn;
3063 break;
3064 default:
3065 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3066 break;
3067 }
3068
3069 return NULL;
3070}
3071
6039aa73 3072static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3073{
3074 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3075 int i;
3076
3077 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3078 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3079 return;
3080 }
3081
3082 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3083 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3084 BT_DBG("%s bad parameters", hdev->name);
3085 return;
3086 }
3087
3088 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3089 ev->num_hndl);
25e89e99
AE		 3090
3091 for (i = 0; i < ev->num_hndl; i++) {
3092 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3093 struct hci_conn *conn = NULL;
25e89e99
AE		 3094 __u16 handle, block_count;
3095
3096 handle = __le16_to_cpu(info->handle);
3097 block_count = __le16_to_cpu(info->blocks);
3098
76ef7cf7 3099 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3100 if (!conn)
3101 continue;
3102
3103 conn->sent -= block_count;
3104
3105 switch (conn->type) {
3106 case ACL_LINK:
bd1eb66b 3107 case AMP_LINK:
25e89e99
AE		 3108 hdev->block_cnt += block_count;
3109 if (hdev->block_cnt > hdev->num_blocks)
3110 hdev->block_cnt = hdev->num_blocks;
3111 break;
3112
3113 default:
3114 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3115 break;
3116 }
3117 }
3118
3119 queue_work(hdev->workqueue, &hdev->tx_work);
3120}
3121
6039aa73 3122static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3123{
a9de9248 3124 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3125 struct hci_conn *conn;
3126
9f1db00c 3127 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3128
3129 hci_dev_lock(hdev);
3130
3131 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3132 if (conn) {
3133 conn->mode = ev->mode;
a9de9248 3134
8fc9ced3
GP		 3135 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3136 &conn->flags)) {
a9de9248 3137 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3138 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3139 else
58a681ef 3140 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3141 }
e73439d8 3142
51a8efd7 3143 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3144 hci_sco_setup(conn, ev->status);
04837f64
MH		 3145 }
3146
3147 hci_dev_unlock(hdev);
3148}
3149
6039aa73 3150static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3151{
052b30b0
MH		 3152 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3153 struct hci_conn *conn;
3154
a9de9248 3155 BT_DBG("%s", hdev->name);
052b30b0
MH		 3156
3157 hci_dev_lock(hdev);
3158
3159 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3160 if (!conn)
3161 goto unlock;
3162
3163 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3164 hci_conn_hold(conn);
3165 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3166 hci_conn_drop(conn);
052b30b0
MH		 3167 }
3168
b6ae8457 3169 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3170 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3171 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3172 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3173 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3174 u8 secure;
3175
3176 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3177 secure = 1;
3178 else
3179 secure = 0;
3180
744cf19e 3181 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3182 }
980e1a53 3183
b6f98044 3184unlock:
052b30b0 3185 hci_dev_unlock(hdev);
a9de9248
MH		 3186}
3187
6039aa73 3188static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3189{
55ed8ca1
JH		 3190 struct hci_ev_link_key_req *ev = (void *) skb->data;
3191 struct hci_cp_link_key_reply cp;
3192 struct hci_conn *conn;
3193 struct link_key *key;
3194
a9de9248 3195 BT_DBG("%s", hdev->name);
55ed8ca1 3196
034cbea0 3197 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3198 return;
3199
3200 hci_dev_lock(hdev);
3201
3202 key = hci_find_link_key(hdev, &ev->bdaddr);
3203 if (!key) {
6ed93dc6
AE		 3204 BT_DBG("%s link key not found for %pMR", hdev->name,
3205 &ev->bdaddr);
55ed8ca1
JH		 3206 goto not_found;
3207 }
3208
6ed93dc6
AE		 3209 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3210 &ev->bdaddr);
55ed8ca1 3211
55ed8ca1 3212 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3213 if (conn) {
66138ce8
MH		 3214 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3215 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3216 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3217 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3218 goto not_found;
3219 }
55ed8ca1 3220
60b83f57 3221 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3222 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3223 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3224 BT_DBG("%s ignoring key unauthenticated for high security",
3225 hdev->name);
60b83f57
WR		 3226 goto not_found;
3227 }
3228
3229 conn->key_type = key->type;
3230 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3231 }
3232
3233 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3234 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3235
3236 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3237
3238 hci_dev_unlock(hdev);
3239
3240 return;
3241
3242not_found:
3243 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3244 hci_dev_unlock(hdev);
a9de9248
MH		 3245}
3246
6039aa73 3247static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3248{
052b30b0
MH		 3249 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3250 struct hci_conn *conn;
7652ff6a
JH		 3251 struct link_key *key;
3252 bool persistent;
55ed8ca1 3253 u8 pin_len = 0;
052b30b0 3254
a9de9248 3255 BT_DBG("%s", hdev->name);
052b30b0
MH		 3256
3257 hci_dev_lock(hdev);
3258
3259 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3260 if (conn) {
3261 hci_conn_hold(conn);
3262 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3263 pin_len = conn->pin_length;
13d39315
WR		 3264
3265 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3266 conn->key_type = ev->key_type;
3267
76a68ba0 3268 hci_conn_drop(conn);
052b30b0
MH		 3269 }
3270
7652ff6a
JH		 3271 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3272 goto unlock;
3273
3274 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3275 ev->key_type, pin_len, &persistent);
3276 if (!key)
3277 goto unlock;
3278
3279 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3280
6d5650c4
JH		 3281 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3282 * is set. If it's not set simply remove the key from the kernel
3283 * list (we've still notified user space about it but with
3284 * store_hint being 0).
3285 */
3286 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3287 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3288 list_del(&key->list);
3289 kfree(key);
3290 } else if (conn) {
af6a9c32
JH		 3291 if (persistent)
3292 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3293 else
3294 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3295 }
7652ff6a
JH		 3296
3297unlock:
052b30b0 3298 hci_dev_unlock(hdev);
a9de9248
MH		 3299}
3300
6039aa73 3301static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3302{
a9de9248 3303 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3304 struct hci_conn *conn;
1da177e4 3305
9f1db00c 3306 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3307
3308 hci_dev_lock(hdev);
3309
04837f64 3310 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3311 if (conn && !ev->status) {
3312 struct inquiry_entry *ie;
3313
cc11b9c1
AE		 3314 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3315 if (ie) {
1da177e4
LT		 3316 ie->data.clock_offset = ev->clock_offset;
3317 ie->timestamp = jiffies;
3318 }
3319 }
3320
3321 hci_dev_unlock(hdev);
3322}
3323
6039aa73 3324static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3325{
3326 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3327 struct hci_conn *conn;
3328
9f1db00c 3329 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3330
3331 hci_dev_lock(hdev);
3332
3333 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3334 if (conn && !ev->status)
3335 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3336
3337 hci_dev_unlock(hdev);
3338}
3339
6039aa73 3340static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3341{
a9de9248 3342 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3343 struct inquiry_entry *ie;
3344
3345 BT_DBG("%s", hdev->name);
3346
3347 hci_dev_lock(hdev);
3348
cc11b9c1
AE		 3349 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3350 if (ie) {
85a1e930
MH		 3351 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3352 ie->timestamp = jiffies;
3353 }
3354
3355 hci_dev_unlock(hdev);
3356}
3357
6039aa73
GP		 3358static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3359 struct sk_buff *skb)
a9de9248
MH		 3360{
3361 struct inquiry_data data;
3362 int num_rsp = *((__u8 *) skb->data);
3363
3364 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3365
3366 if (!num_rsp)
3367 return;
3368
1519cc17
AG		 3369 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3370 return;
3371
a9de9248
MH		 3372 hci_dev_lock(hdev);
3373
3374 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3375 struct inquiry_info_with_rssi_and_pscan_mode *info;
3376 info = (void *) (skb->data + 1);
a9de9248 3377
e17acd40 3378 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3379 u32 flags;
3380
a9de9248
MH		 3381 bacpy(&data.bdaddr, &info->bdaddr);
3382 data.pscan_rep_mode = info->pscan_rep_mode;
3383 data.pscan_period_mode = info->pscan_period_mode;
3384 data.pscan_mode = info->pscan_mode;
3385 memcpy(data.dev_class, info->dev_class, 3);
3386 data.clock_offset = info->clock_offset;
3387 data.rssi = info->rssi;
41a96212 3388 data.ssp_mode = 0x00;
3175405b 3389
af58925c
MH		 3390 flags = hci_inquiry_cache_update(hdev, &data, false);
3391
48264f06 3392 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3393 info->dev_class, info->rssi,
af58925c 3394 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3395 }
3396 } else {
3397 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3398
e17acd40 3399 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3400 u32 flags;
3401
a9de9248
MH		 3402 bacpy(&data.bdaddr, &info->bdaddr);
3403 data.pscan_rep_mode = info->pscan_rep_mode;
3404 data.pscan_period_mode = info->pscan_period_mode;
3405 data.pscan_mode = 0x00;
3406 memcpy(data.dev_class, info->dev_class, 3);
3407 data.clock_offset = info->clock_offset;
3408 data.rssi = info->rssi;
41a96212 3409 data.ssp_mode = 0x00;
af58925c
MH		 3410
3411 flags = hci_inquiry_cache_update(hdev, &data, false);
3412
48264f06 3413 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3414 info->dev_class, info->rssi,
af58925c 3415 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3416 }
3417 }
3418
3419 hci_dev_unlock(hdev);
3420}
3421
6039aa73
GP		 3422static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3423 struct sk_buff *skb)
a9de9248 3424{
41a96212
MH		 3425 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3426 struct hci_conn *conn;
3427
a9de9248 3428 BT_DBG("%s", hdev->name);
41a96212 3429
41a96212
MH		 3430 hci_dev_lock(hdev);
3431
3432 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3433 if (!conn)
3434 goto unlock;
41a96212 3435
cad718ed
JH		 3436 if (ev->page < HCI_MAX_PAGES)
3437 memcpy(conn->features[ev->page], ev->features, 8);
3438
ccd556fe
JH		 3439 if (!ev->status && ev->page == 0x01) {
3440 struct inquiry_entry *ie;
41a96212 3441
cc11b9c1
AE		 3442 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3443 if (ie)
02b7cc62 3444 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3445
bbb0eada 3446 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3447 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3448 } else {
3449 /* It is mandatory by the Bluetooth specification that
3450 * Extended Inquiry Results are only used when Secure
3451 * Simple Pairing is enabled, but some devices violate
3452 * this.
3453 *
3454 * To make these devices work, the internal SSP
3455 * enabled flag needs to be cleared if the remote host
3456 * features do not indicate SSP support */
3457 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3458 }
eb9a8f3f
MH		 3459
3460 if (ev->features[0] & LMP_HOST_SC)
3461 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3462 }
3463
3464 if (conn->state != BT_CONFIG)
3465 goto unlock;
3466
671267bf 3467 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3468 struct hci_cp_remote_name_req cp;
3469 memset(&cp, 0, sizeof(cp));
3470 bacpy(&cp.bdaddr, &conn->dst);
3471 cp.pscan_rep_mode = 0x02;
3472 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3473 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3474 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3475
127178d2 3476 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3477 conn->state = BT_CONNECTED;
3478 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3479 hci_conn_drop(conn);
41a96212
MH		 3480 }
3481
ccd556fe 3482unlock:
41a96212 3483 hci_dev_unlock(hdev);
a9de9248
MH		 3484}
3485
6039aa73
GP		 3486static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3487 struct sk_buff *skb)
a9de9248 3488{
b6a0dc82
MH		 3489 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3490 struct hci_conn *conn;
3491
9f1db00c 3492 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3493
3494 hci_dev_lock(hdev);
3495
3496 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3497 if (!conn) {
3498 if (ev->link_type == ESCO_LINK)
3499 goto unlock;
3500
3501 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3502 if (!conn)
3503 goto unlock;
3504
3505 conn->type = SCO_LINK;
3506 }
b6a0dc82 3507
732547f9
MH		 3508 switch (ev->status) {
3509 case 0x00:
b6a0dc82
MH		 3510 conn->handle = __le16_to_cpu(ev->handle);
3511 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3512
3513 hci_conn_add_sysfs(conn);
732547f9
MH		 3514 break;
3515
81218d20 3516 case 0x10: /* Connection Accept Timeout */
1a4c958c 3517 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3518 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3519 case 0x1c: /* SCO interval rejected */
1038a00b 3520 case 0x1a: /* Unsupported Remote Feature */
732547f9 3521 case 0x1f: /* Unspecified error */
27539bc4 3522 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3523 if (conn->out) {
732547f9
MH		 3524 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3525 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3526 if (hci_setup_sync(conn, conn->link->handle))
3527 goto unlock;
732547f9
MH		 3528 }
3529 /* fall through */
3530
3531 default:
b6a0dc82 3532 conn->state = BT_CLOSED;
732547f9
MH		 3533 break;
3534 }
b6a0dc82
MH		 3535
3536 hci_proto_connect_cfm(conn, ev->status);
3537 if (ev->status)
3538 hci_conn_del(conn);
3539
3540unlock:
3541 hci_dev_unlock(hdev);
a9de9248
MH		 3542}
3543
efdcf8e3
MH		 3544static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3545{
3546 size_t parsed = 0;
3547
3548 while (parsed < eir_len) {
3549 u8 field_len = eir[0];
3550
3551 if (field_len == 0)
3552 return parsed;
3553
3554 parsed += field_len + 1;
3555 eir += field_len + 1;
3556 }
3557
3558 return eir_len;
3559}
3560
6039aa73
GP		 3561static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3562 struct sk_buff *skb)
1da177e4 3563{
a9de9248
MH		 3564 struct inquiry_data data;
3565 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3566 int num_rsp = *((__u8 *) skb->data);
9d939d94 3567 size_t eir_len;
1da177e4 3568
a9de9248 3569 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3570
a9de9248
MH		 3571 if (!num_rsp)
3572 return;
1da177e4 3573
1519cc17
AG		 3574 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3575 return;
3576
a9de9248
MH		 3577 hci_dev_lock(hdev);
3578
e17acd40 3579 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3580 u32 flags;
3581 bool name_known;
561aafbc 3582
a9de9248 3583 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3584 data.pscan_rep_mode = info->pscan_rep_mode;
3585 data.pscan_period_mode = info->pscan_period_mode;
3586 data.pscan_mode = 0x00;
a9de9248 3587 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3588 data.clock_offset = info->clock_offset;
3589 data.rssi = info->rssi;
41a96212 3590 data.ssp_mode = 0x01;
561aafbc 3591
a8b2d5c2 3592 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3593 name_known = eir_has_data_type(info->data,
04124681
GP		 3594 sizeof(info->data),
3595 EIR_NAME_COMPLETE);
561aafbc
JH		 3596 else
3597 name_known = true;
3598
af58925c
MH		 3599 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3600
9d939d94 3601 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3602
48264f06 3603 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3604 info->dev_class, info->rssi,
3605 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3606 }
3607
3608 hci_dev_unlock(hdev);
3609}
1da177e4 3610
1c2e0041
JH		 3611static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3612 struct sk_buff *skb)
3613{
3614 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3615 struct hci_conn *conn;
3616
9f1db00c 3617 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3618 __le16_to_cpu(ev->handle));
3619
3620 hci_dev_lock(hdev);
3621
3622 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3623 if (!conn)
3624 goto unlock;
3625
9eb1fbfa
JH		 3626 /* For BR/EDR the necessary steps are taken through the
3627 * auth_complete event.
3628 */
3629 if (conn->type != LE_LINK)
3630 goto unlock;
3631
1c2e0041
JH		 3632 if (!ev->status)
3633 conn->sec_level = conn->pending_sec_level;
3634
3635 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3636
3637 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3638 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3639 hci_conn_drop(conn);
1c2e0041
JH		 3640 goto unlock;
3641 }
3642
3643 if (conn->state == BT_CONFIG) {
3644 if (!ev->status)
3645 conn->state = BT_CONNECTED;
3646
3647 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3648 hci_conn_drop(conn);
1c2e0041
JH		 3649 } else {
3650 hci_auth_cfm(conn, ev->status);
3651
3652 hci_conn_hold(conn);
3653 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3654 hci_conn_drop(conn);
1c2e0041
JH		 3655 }
3656
3657unlock:
3658 hci_dev_unlock(hdev);
3659}
3660
6039aa73 3661static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3662{
17fa4b9d 3663 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3664 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3665 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3666 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3667
b7f94c88
MA		 3668 /* If both remote and local have enough IO capabilities, require
3669 * MITM protection
3670 */
3671 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3672 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3673 return conn->remote_auth | 0x01;
3674
7e74170a
TM		 3675 /* No MITM protection possible so ignore remote requirement */
3676 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3677}
3678
6039aa73 3679static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3680{
3681 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3682 struct hci_conn *conn;
3683
3684 BT_DBG("%s", hdev->name);
3685
3686 hci_dev_lock(hdev);
3687
3688 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3689 if (!conn)
3690 goto unlock;
3691
3692 hci_conn_hold(conn);
3693
a8b2d5c2 3694 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3695 goto unlock;
3696
2f407f0a
JH		 3697 /* Allow pairing if we're pairable, the initiators of the
3698 * pairing or if the remote is not requesting bonding.
3699 */
b6ae8457 3700 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3701 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3702 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3703 struct hci_cp_io_capability_reply cp;
3704
3705 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3706 /* Change the IO capability from KeyboardDisplay
3707 * to DisplayYesNo as it is not supported by BT spec. */
3708 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3709 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3710
3711 /* If we are initiators, there is no remote information yet */
3712 if (conn->remote_auth == 0xff) {
b16c6604 3713 /* Request MITM protection if our IO caps allow it
4ad51a75 3714 * except for the no-bonding case.
b16c6604 3715 */
6fd6b915 3716 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3717 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3718 conn->auth_type |= 0x01;
b7f94c88
MA		 3719 } else {
3720 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3721 }
17fa4b9d 3722
82c295b1
JH		 3723 /* If we're not bondable, force one of the non-bondable
3724 * authentication requirement values.
3725 */
3726 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3727 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3728
3729 cp.authentication = conn->auth_type;
3730
8fc9ced3
GP		 3731 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3732 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3733 cp.oob_data = 0x01;
3734 else
3735 cp.oob_data = 0x00;
3736
17fa4b9d 3737 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3738 sizeof(cp), &cp);
03b555e1
JH		 3739 } else {
3740 struct hci_cp_io_capability_neg_reply cp;
3741
3742 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3743 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3744
03b555e1 3745 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3746 sizeof(cp), &cp);
03b555e1
JH		 3747 }
3748
3749unlock:
3750 hci_dev_unlock(hdev);
3751}
3752
6039aa73 3753static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3754{
3755 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3756 struct hci_conn *conn;
3757
3758 BT_DBG("%s", hdev->name);
3759
3760 hci_dev_lock(hdev);
3761
3762 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3763 if (!conn)
3764 goto unlock;
3765
03b555e1 3766 conn->remote_cap = ev->capability;
03b555e1 3767 conn->remote_auth = ev->authentication;
58a681ef
JH		 3768 if (ev->oob_data)
3769 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3770
3771unlock:
0493684e
MH		 3772 hci_dev_unlock(hdev);
3773}
3774
6039aa73
GP		 3775static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3776 struct sk_buff *skb)
a5c29683
JH		 3777{
3778 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3779 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3780 struct hci_conn *conn;
a5c29683
JH		 3781
3782 BT_DBG("%s", hdev->name);
3783
3784 hci_dev_lock(hdev);
3785
a8b2d5c2 3786 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3787 goto unlock;
a5c29683 3788
7a828908
JH		 3789 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3790 if (!conn)
3791 goto unlock;
3792
3793 loc_mitm = (conn->auth_type & 0x01);
3794 rem_mitm = (conn->remote_auth & 0x01);
3795
3796 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3797 * (it has NoInputNoOutput) then reject the confirmation
3798 * request. We check the security level here since it doesn't
3799 * necessarily match conn->auth_type.
6fd6b915 3800 */
6c53823a
JH		 3801 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3802 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3803 BT_DBG("Rejecting request: remote device can't provide MITM");
3804 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3805 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3806 goto unlock;
3807 }
3808
3809 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3810 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3811 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3812
3813 /* If we're not the initiators request authorization to
3814 * proceed from user space (mgmt_user_confirm with
ba15a58b 3815 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3816 * side had MITM or if the local IO capability is
3817 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3818 */
3819 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3820 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3821 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3822 BT_DBG("Confirming auto-accept as acceptor");
3823 confirm_hint = 1;
3824 goto confirm;
3825 }
3826
9f61656a 3827 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3828 hdev->auto_accept_delay);
9f61656a
JH		 3829
3830 if (hdev->auto_accept_delay > 0) {
3831 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3832 queue_delayed_work(conn->hdev->workqueue,
3833 &conn->auto_accept_work, delay);
9f61656a
JH		 3834 goto unlock;
3835 }
3836
7a828908 3837 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3838 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3839 goto unlock;
3840 }
3841
55bc1a37 3842confirm:
39adbffe
JH		 3843 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3844 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3845
3846unlock:
a5c29683
JH		 3847 hci_dev_unlock(hdev);
3848}
3849
6039aa73
GP		 3850static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3851 struct sk_buff *skb)
1143d458
BG		 3852{
3853 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3854
3855 BT_DBG("%s", hdev->name);
3856
a8b2d5c2 3857 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3858 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3859}
3860
92a25256
JH		 3861static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3862 struct sk_buff *skb)
3863{
3864 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3865 struct hci_conn *conn;
3866
3867 BT_DBG("%s", hdev->name);
3868
3869 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3870 if (!conn)
3871 return;
3872
3873 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3874 conn->passkey_entered = 0;
3875
3876 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3877 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3878 conn->dst_type, conn->passkey_notify,
3879 conn->passkey_entered);
3880}
3881
3882static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3883{
3884 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3885 struct hci_conn *conn;
3886
3887 BT_DBG("%s", hdev->name);
3888
3889 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3890 if (!conn)
3891 return;
3892
3893 switch (ev->type) {
3894 case HCI_KEYPRESS_STARTED:
3895 conn->passkey_entered = 0;
3896 return;
3897
3898 case HCI_KEYPRESS_ENTERED:
3899 conn->passkey_entered++;
3900 break;
3901
3902 case HCI_KEYPRESS_ERASED:
3903 conn->passkey_entered--;
3904 break;
3905
3906 case HCI_KEYPRESS_CLEARED:
3907 conn->passkey_entered = 0;
3908 break;
3909
3910 case HCI_KEYPRESS_COMPLETED:
3911 return;
3912 }
3913
3914 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3915 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3916 conn->dst_type, conn->passkey_notify,
3917 conn->passkey_entered);
3918}
3919
6039aa73
GP		 3920static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3921 struct sk_buff *skb)
0493684e
MH		 3922{
3923 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3924 struct hci_conn *conn;
3925
3926 BT_DBG("%s", hdev->name);
3927
3928 hci_dev_lock(hdev);
3929
3930 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3931 if (!conn)
3932 goto unlock;
3933
c1d4fa7a
JH		 3934 /* Reset the authentication requirement to unknown */
3935 conn->remote_auth = 0xff;
3936
2a611692
JH		 3937 /* To avoid duplicate auth_failed events to user space we check
3938 * the HCI_CONN_AUTH_PEND flag which will be set if we
3939 * initiated the authentication. A traditional auth_complete
3940 * event gets always produced as initiator and is also mapped to
3941 * the mgmt_auth_failed event */
fa1bd918 3942 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 3943 mgmt_auth_failed(conn, ev->status);
0493684e 3944
76a68ba0 3945 hci_conn_drop(conn);
2a611692
JH		 3946
3947unlock:
0493684e
MH		 3948 hci_dev_unlock(hdev);
3949}
3950
6039aa73
GP		 3951static void hci_remote_host_features_evt(struct hci_dev *hdev,
3952 struct sk_buff *skb)
41a96212
MH		 3953{
3954 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3955 struct inquiry_entry *ie;
cad718ed 3956 struct hci_conn *conn;
41a96212
MH		 3957
3958 BT_DBG("%s", hdev->name);
3959
3960 hci_dev_lock(hdev);
3961
cad718ed
JH		 3962 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3963 if (conn)
3964 memcpy(conn->features[1], ev->features, 8);
3965
cc11b9c1
AE		 3966 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3967 if (ie)
02b7cc62 3968 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3969
3970 hci_dev_unlock(hdev);
3971}
3972
6039aa73
GP		 3973static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3974 struct sk_buff *skb)
2763eda6
SJ		 3975{
3976 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3977 struct oob_data *data;
3978
3979 BT_DBG("%s", hdev->name);
3980
3981 hci_dev_lock(hdev);
3982
a8b2d5c2 3983 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3984 goto unlock;
3985
2763eda6
SJ		 3986 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3987 if (data) {
519ca9d0
MH		 3988 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3989 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3990
519ca9d0
MH		 3991 bacpy(&cp.bdaddr, &ev->bdaddr);
3992 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3993 memcpy(cp.randomizer192, data->randomizer192,
3994 sizeof(cp.randomizer192));
3995 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3996 memcpy(cp.randomizer256, data->randomizer256,
3997 sizeof(cp.randomizer256));
3998
3999 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
4000 sizeof(cp), &cp);
4001 } else {
4002 struct hci_cp_remote_oob_data_reply cp;
2763eda6 4003
519ca9d0
MH		 4004 bacpy(&cp.bdaddr, &ev->bdaddr);
4005 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4006 memcpy(cp.randomizer, data->randomizer192,
4007 sizeof(cp.randomizer));
4008
4009 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
4010 sizeof(cp), &cp);
4011 }
2763eda6
SJ		 4012 } else {
4013 struct hci_cp_remote_oob_data_neg_reply cp;
4014
4015 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 4016 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4017 sizeof(cp), &cp);
2763eda6
SJ		 4018 }
4019
e1ba1f15 4020unlock:
2763eda6
SJ		 4021 hci_dev_unlock(hdev);
4022}
4023
d5e91192
AE		 4024static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4025 struct sk_buff *skb)
4026{
4027 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4028 struct hci_conn *hcon, *bredr_hcon;
4029
4030 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4031 ev->status);
4032
4033 hci_dev_lock(hdev);
4034
4035 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4036 if (!hcon) {
4037 hci_dev_unlock(hdev);
4038 return;
4039 }
4040
4041 if (ev->status) {
4042 hci_conn_del(hcon);
4043 hci_dev_unlock(hdev);
4044 return;
4045 }
4046
4047 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4048
4049 hcon->state = BT_CONNECTED;
4050 bacpy(&hcon->dst, &bredr_hcon->dst);
4051
4052 hci_conn_hold(hcon);
4053 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4054 hci_conn_drop(hcon);
d5e91192 4055
d5e91192
AE		 4056 hci_conn_add_sysfs(hcon);
4057
cf70ff22 4058 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4059
cf70ff22 4060 hci_dev_unlock(hdev);
d5e91192
AE		 4061}
4062
27695fb4
AE		 4063static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4064{
4065 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4066 struct hci_conn *hcon;
4067 struct hci_chan *hchan;
4068 struct amp_mgr *mgr;
4069
4070 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4071 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4072 ev->status);
4073
4074 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4075 if (!hcon)
4076 return;
4077
4078 /* Create AMP hchan */
4079 hchan = hci_chan_create(hcon);
4080 if (!hchan)
4081 return;
4082
4083 hchan->handle = le16_to_cpu(ev->handle);
4084
4085 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4086
4087 mgr = hcon->amp_mgr;
4088 if (mgr && mgr->bredr_chan) {
4089 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4090
4091 l2cap_chan_lock(bredr_chan);
4092
4093 bredr_chan->conn->mtu = hdev->block_mtu;
4094 l2cap_logical_cfm(bredr_chan, hchan, 0);
4095 hci_conn_hold(hcon);
4096
4097 l2cap_chan_unlock(bredr_chan);
4098 }
4099}
4100
606e2a10
AE		 4101static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4102 struct sk_buff *skb)
4103{
4104 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4105 struct hci_chan *hchan;
4106
4107 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4108 le16_to_cpu(ev->handle), ev->status);
4109
4110 if (ev->status)
4111 return;
4112
4113 hci_dev_lock(hdev);
4114
4115 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4116 if (!hchan)
4117 goto unlock;
4118
4119 amp_destroy_logical_link(hchan, ev->reason);
4120
4121unlock:
4122 hci_dev_unlock(hdev);
4123}
4124
9eef6b3a
AE		 4125static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4126 struct sk_buff *skb)
4127{
4128 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4129 struct hci_conn *hcon;
4130
4131 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4132
4133 if (ev->status)
4134 return;
4135
4136 hci_dev_lock(hdev);
4137
4138 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4139 if (hcon) {
4140 hcon->state = BT_CLOSED;
4141 hci_conn_del(hcon);
4142 }
4143
4144 hci_dev_unlock(hdev);
4145}
4146
6039aa73 4147static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4148{
4149 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4150 struct hci_conn_params *params;
fcd89c09 4151 struct hci_conn *conn;
68d6f6de 4152 struct smp_irk *irk;
837d502e 4153 u8 addr_type;
fcd89c09 4154
9f1db00c 4155 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4156
4157 hci_dev_lock(hdev);
4158
fbd96c15
JH		 4159 /* All controllers implicitly stop advertising in the event of a
4160 * connection, so ensure that the state bit is cleared.
4161 */
4162 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4163
b47a09b3 4164 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4165 if (!conn) {
a5c4e309 4166 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4167 if (!conn) {
4168 BT_ERR("No memory for new connection");
230fd16a 4169 goto unlock;
b62f328b 4170 }
29b7988a
AG		 4171
4172 conn->dst_type = ev->bdaddr_type;
b9b343d2 4173
cb1d68f7
JH		 4174 /* If we didn't have a hci_conn object previously
4175 * but we're in master role this must be something
4176 * initiated using a white list. Since white list based
4177 * connections are not "first class citizens" we don't
4178 * have full tracking of them. Therefore, we go ahead
4179 * with a "best effort" approach of determining the
4180 * initiator address based on the HCI_PRIVACY flag.
4181 */
4182 if (conn->out) {
4183 conn->resp_addr_type = ev->bdaddr_type;
4184 bacpy(&conn->resp_addr, &ev->bdaddr);
4185 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4186 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4187 bacpy(&conn->init_addr, &hdev->rpa);
4188 } else {
4189 hci_copy_identity_address(hdev,
4190 &conn->init_addr,
4191 &conn->init_addr_type);
4192 }
cb1d68f7 4193 }
9489eca4
JH		 4194 } else {
4195 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4196 }
fcd89c09 4197
80c24ab8
JH		 4198 if (!conn->out) {
4199 /* Set the responder (our side) address type based on
4200 * the advertising address type.
4201 */
4202 conn->resp_addr_type = hdev->adv_addr_type;
4203 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4204 bacpy(&conn->resp_addr, &hdev->random_addr);
4205 else
4206 bacpy(&conn->resp_addr, &hdev->bdaddr);
4207
4208 conn->init_addr_type = ev->bdaddr_type;
4209 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4210
4211 /* For incoming connections, set the default minimum
4212 * and maximum connection interval. They will be used
4213 * to check if the parameters are in range and if not
4214 * trigger the connection update procedure.
4215 */
4216 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4217 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4218 }
7be2edbb 4219
edb4b466
MH		 4220 /* Lookup the identity address from the stored connection
4221 * address and address type.
4222 *
4223 * When establishing connections to an identity address, the
4224 * connection procedure will store the resolvable random
4225 * address first. Now if it can be converted back into the
4226 * identity address, start using the identity address from
4227 * now on.
4228 */
4229 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4230 if (irk) {
4231 bacpy(&conn->dst, &irk->bdaddr);
4232 conn->dst_type = irk->addr_type;
4233 }
4234
2d3c2260
JH		 4235 if (ev->status) {
4236 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4237 goto unlock;
4238 }
4239
08853f18
JH		 4240 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4241 addr_type = BDADDR_LE_PUBLIC;
4242 else
4243 addr_type = BDADDR_LE_RANDOM;
4244
2d3c2260
JH		 4245 /* Drop the connection if the device is blocked */
4246 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4247 hci_conn_drop(conn);
cd17decb
AG		 4248 goto unlock;
4249 }
4250
b644ba33 4251 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4252 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4253
7b5c0d52 4254 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4255 conn->handle = __le16_to_cpu(ev->handle);
4256 conn->state = BT_CONNECTED;
4257
e04fde60
MH		 4258 conn->le_conn_interval = le16_to_cpu(ev->interval);
4259 conn->le_conn_latency = le16_to_cpu(ev->latency);
4260 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4261
fcd89c09
VT		 4262 hci_conn_add_sysfs(conn);
4263
4264 hci_proto_connect_cfm(conn, ev->status);
4265
5477610f
JH		 4266 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4267 conn->dst_type);
f161dd41 4268 if (params) {
95305baa 4269 list_del_init(&params->action);
f161dd41
JH		 4270 if (params->conn) {
4271 hci_conn_drop(params->conn);
f8aaf9b6 4272 hci_conn_put(params->conn);
f161dd41
JH		 4273 params->conn = NULL;
4274 }
4275 }
a4790dbd 4276
fcd89c09 4277unlock:
223683a5 4278 hci_update_background_scan(hdev);
fcd89c09
VT		 4279 hci_dev_unlock(hdev);
4280}
4281
1855d92d
MH		 4282static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4283 struct sk_buff *skb)
4284{
4285 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4286 struct hci_conn *conn;
4287
4288 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4289
4290 if (ev->status)
4291 return;
4292
4293 hci_dev_lock(hdev);
4294
4295 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4296 if (conn) {
4297 conn->le_conn_interval = le16_to_cpu(ev->interval);
4298 conn->le_conn_latency = le16_to_cpu(ev->latency);
4299 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4300 }
4301
4302 hci_dev_unlock(hdev);
4303}
4304
a4790dbd 4305/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4306static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4307 bdaddr_t *addr,
4308 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4309{
4310 struct hci_conn *conn;
4b9e7e75 4311 struct hci_conn_params *params;
a4790dbd 4312
1c1abcab
JH		 4313 /* If the event is not connectable don't proceed further */
4314 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4315 return NULL;
1c1abcab
JH		 4316
4317 /* Ignore if the device is blocked */
dcc36c16 4318 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4319 return NULL;
1c1abcab 4320
f99353cf
JH		 4321 /* Most controller will fail if we try to create new connections
4322 * while we have an existing one in slave role.
4323 */
4324 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4325 return NULL;
f99353cf 4326
1c1abcab
JH		 4327 /* If we're not connectable only connect devices that we have in
4328 * our pend_le_conns list.
4329 */
4b9e7e75
MH		 4330 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4331 addr, addr_type);
4332 if (!params)
fd45ada9 4333 return NULL;
4b9e7e75
MH		 4334
4335 switch (params->auto_connect) {
4336 case HCI_AUTO_CONN_DIRECT:
4337 /* Only devices advertising with ADV_DIRECT_IND are
4338 * triggering a connection attempt. This is allowing
4339 * incoming connections from slave devices.
4340 */
4341 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4342 return NULL;
4b9e7e75
MH		 4343 break;
4344 case HCI_AUTO_CONN_ALWAYS:
4345 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4346 * are triggering a connection attempt. This means
4347 * that incoming connectioms from slave device are
4348 * accepted and also outgoing connections to slave
4349 * devices are established when found.
4350 */
4351 break;
4352 default:
fd45ada9 4353 return NULL;
4b9e7e75 4354 }
a4790dbd
AG		 4355
4356 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4357 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4358 if (!IS_ERR(conn)) {
4359 /* Store the pointer since we don't really have any
4360 * other owner of the object besides the params that
4361 * triggered it. This way we can abort the connection if
4362 * the parameters get removed and keep the reference
4363 * count consistent once the connection is established.
4364 */
f8aaf9b6 4365 params->conn = hci_conn_get(conn);
fd45ada9 4366 return conn;
f161dd41 4367 }
a4790dbd
AG		 4368
4369 switch (PTR_ERR(conn)) {
4370 case -EBUSY:
4371 /* If hci_connect() returns -EBUSY it means there is already
4372 * an LE connection attempt going on. Since controllers don't
4373 * support more than one connection attempt at the time, we
4374 * don't consider this an error case.
4375 */
4376 break;
4377 default:
4378 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4379 return NULL;
a4790dbd 4380 }
fd45ada9
AA		 4381
4382 return NULL;
a4790dbd
AG		 4383}
4384
4af605d8
JH		 4385static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4386 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4387{
b9a6328f 4388 struct discovery_state *d = &hdev->discovery;
1c1abcab 4389 struct smp_irk *irk;
fd45ada9 4390 struct hci_conn *conn;
474ee066 4391 bool match;
c70a7e4c 4392 u32 flags;
b9a6328f 4393
1c1abcab
JH		 4394 /* Check if we need to convert to identity address */
4395 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4396 if (irk) {
4397 bdaddr = &irk->bdaddr;
4398 bdaddr_type = irk->addr_type;
4399 }
4400
4401 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4402 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4403 if (conn && type == LE_ADV_IND) {
4404 /* Store report for later inclusion by
4405 * mgmt_device_connected
4406 */
4407 memcpy(conn->le_adv_data, data, len);
4408 conn->le_adv_data_len = len;
4409 }
1c1abcab 4410
0d2bf134
JH		 4411 /* Passive scanning shouldn't trigger any device found events,
4412 * except for devices marked as CONN_REPORT for which we do send
4413 * device found events.
4414 */
ca5c4be7 4415 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4416 if (type == LE_ADV_DIRECT_IND)
4417 return;
4418
3a19b6fe
JH		 4419 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4420 bdaddr, bdaddr_type))
0d2bf134
JH		 4421 return;
4422
4423 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4424 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4425 else
4426 flags = 0;
4427 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4428 rssi, flags, data, len, NULL, 0);
97bf2e99 4429 return;
ca5c4be7 4430 }
4af605d8 4431
c70a7e4c
MH		 4432 /* When receiving non-connectable or scannable undirected
4433 * advertising reports, this means that the remote device is
4434 * not connectable and then clearly indicate this in the
4435 * device found event.
4436 *
4437 * When receiving a scan response, then there is no way to
4438 * know if the remote device is connectable or not. However
4439 * since scan responses are merged with a previously seen
4440 * advertising report, the flags field from that report
4441 * will be used.
4442 *
4443 * In the really unlikely case that a controller get confused
4444 * and just sends a scan response event, then it is marked as
4445 * not connectable as well.
4446 */
4447 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4448 type == LE_ADV_SCAN_RSP)
4449 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4450 else
4451 flags = 0;
4452
b9a6328f
JH		 4453 /* If there's nothing pending either store the data from this
4454 * event or send an immediate device found event if the data
4455 * should not be stored for later.
4456 */
4457 if (!has_pending_adv_report(hdev)) {
4458 /* If the report will trigger a SCAN_REQ store it for
4459 * later merging.
4460 */
4461 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4462 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4463 rssi, flags, data, len);
b9a6328f
JH		 4464 return;
4465 }
4466
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
474ee066
JH		 4472 /* Check if the pending report is for the same device as the new one */
4473 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4474 bdaddr_type == d->last_adv_addr_type);
4475
b9a6328f
JH		 4476 /* If the pending data doesn't match this report or this isn't a
4477 * scan response (e.g. we got a duplicate ADV_IND) then force
4478 * sending of the pending data.
4479 */
474ee066
JH		 4480 if (type != LE_ADV_SCAN_RSP || !match) {
4481 /* Send out whatever is in the cache, but skip duplicates */
4482 if (!match)
4483 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4484 d->last_adv_addr_type, NULL,
c70a7e4c 4485 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4486 d->last_adv_data,
474ee066 4487 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4488
4489 /* If the new report will trigger a SCAN_REQ store it for
4490 * later merging.
4491 */
4492 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4493 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4494 rssi, flags, data, len);
b9a6328f
JH		 4495 return;
4496 }
4497
4498 /* The advertising reports cannot be merged, so clear
4499 * the pending report and send out a device found event.
4500 */
4501 clear_pending_adv_report(hdev);
5c5b93e4 4502 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4503 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4504 return;
4505 }
4506
4507 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4508 * the new event is a SCAN_RSP. We can therefore proceed with
4509 * sending a merged device found event.
4510 */
4511 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4512 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4513 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4514 clear_pending_adv_report(hdev);
4af605d8
JH		 4515}
4516
6039aa73 4517static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4518{
e95beb41
AG		 4519 u8 num_reports = skb->data[0];
4520 void *ptr = &skb->data[1];
9aa04c91 4521
a4790dbd
AG		 4522 hci_dev_lock(hdev);
4523
e95beb41
AG		 4524 while (num_reports--) {
4525 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4526 s8 rssi;
a4790dbd 4527
3c9e9195 4528 rssi = ev->data[ev->length];
4af605d8
JH		 4529 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4530 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4531
e95beb41 4532 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4533 }
a4790dbd
AG		 4534
4535 hci_dev_unlock(hdev);
9aa04c91
AG		 4536}
4537
6039aa73 4538static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4539{
4540 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4541 struct hci_cp_le_ltk_reply cp;
bea710fe 4542 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4543 struct hci_conn *conn;
c9839a11 4544 struct smp_ltk *ltk;
a7a595f6 4545
9f1db00c 4546 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4547
4548 hci_dev_lock(hdev);
4549
4550 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4551 if (conn == NULL)
4552 goto not_found;
a7a595f6 4553
e804d25d 4554 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4555 if (ltk == NULL)
4556 goto not_found;
4557
4558 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4559 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4560
a6f7833c 4561 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4562
89cbb4da 4563 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4564
4565 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4566
5981a882
CT		 4567 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4568 * temporary key used to encrypt a connection following
4569 * pairing. It is used during the Encrypted Session Setup to
4570 * distribute the keys. Later, security can be re-established
4571 * using a distributed LTK.
4572 */
2ceba539 4573 if (ltk->type == SMP_STK) {
fe59a05f 4574 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4575 list_del(&ltk->list);
4576 kfree(ltk);
fe59a05f
JH		 4577 } else {
4578 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4579 }
4580
a7a595f6 4581 hci_dev_unlock(hdev);
bea710fe
VCG		 4582
4583 return;
4584
4585not_found:
4586 neg.handle = ev->handle;
4587 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4588 hci_dev_unlock(hdev);
a7a595f6
VCG		 4589}
4590
8e75b46a
AG		 4591static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4592 u8 reason)
4593{
4594 struct hci_cp_le_conn_param_req_neg_reply cp;
4595
4596 cp.handle = cpu_to_le16(handle);
4597 cp.reason = reason;
4598
4599 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4600 &cp);
4601}
4602
4603static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4604 struct sk_buff *skb)
4605{
4606 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4607 struct hci_cp_le_conn_param_req_reply cp;
4608 struct hci_conn *hcon;
4609 u16 handle, min, max, latency, timeout;
4610
4611 handle = le16_to_cpu(ev->handle);
4612 min = le16_to_cpu(ev->interval_min);
4613 max = le16_to_cpu(ev->interval_max);
4614 latency = le16_to_cpu(ev->latency);
4615 timeout = le16_to_cpu(ev->timeout);
4616
4617 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4618 if (!hcon || hcon->state != BT_CONNECTED)
4619 return send_conn_param_neg_reply(hdev, handle,
4620 HCI_ERROR_UNKNOWN_CONN_ID);
4621
4622 if (hci_check_conn_params(min, max, latency, timeout))
4623 return send_conn_param_neg_reply(hdev, handle,
4624 HCI_ERROR_INVALID_LL_PARAMS);
4625
40bef302 4626 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4627 struct hci_conn_params *params;
f4869e2a 4628 u8 store_hint;
348d50b8
JH		 4629
4630 hci_dev_lock(hdev);
4631
4632 params = hci_conn_params_lookup(hdev, &hcon->dst,
4633 hcon->dst_type);
4634 if (params) {
4635 params->conn_min_interval = min;
4636 params->conn_max_interval = max;
4637 params->conn_latency = latency;
4638 params->supervision_timeout = timeout;
f4869e2a
JH		 4639 store_hint = 0x01;
4640 } else{
4641 store_hint = 0x00;
348d50b8
JH		 4642 }
4643
4644 hci_dev_unlock(hdev);
4645
f4869e2a
JH		 4646 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4647 store_hint, min, max, latency, timeout);
348d50b8 4648 }
ffb5a827 4649
8e75b46a
AG		 4650 cp.handle = ev->handle;
4651 cp.interval_min = ev->interval_min;
4652 cp.interval_max = ev->interval_max;
4653 cp.latency = ev->latency;
4654 cp.timeout = ev->timeout;
4655 cp.min_ce_len = 0;
4656 cp.max_ce_len = 0;
4657
4658 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4659}
4660
6039aa73 4661static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4662{
4663 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4664
4665 skb_pull(skb, sizeof(*le_ev));
4666
4667 switch (le_ev->subevent) {
4668 case HCI_EV_LE_CONN_COMPLETE:
4669 hci_le_conn_complete_evt(hdev, skb);
4670 break;
4671
1855d92d
MH		 4672 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4673 hci_le_conn_update_complete_evt(hdev, skb);
4674 break;
4675
9aa04c91
AG		 4676 case HCI_EV_LE_ADVERTISING_REPORT:
4677 hci_le_adv_report_evt(hdev, skb);
4678 break;
4679
a7a595f6
VCG		 4680 case HCI_EV_LE_LTK_REQ:
4681 hci_le_ltk_request_evt(hdev, skb);
4682 break;
4683
8e75b46a
AG		 4684 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4685 hci_le_remote_conn_param_req_evt(hdev, skb);
4686 break;
4687
fcd89c09
VT		 4688 default:
4689 break;
4690 }
4691}
4692
9495b2ee
AE		 4693static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4694{
4695 struct hci_ev_channel_selected *ev = (void *) skb->data;
4696 struct hci_conn *hcon;
4697
4698 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4699
4700 skb_pull(skb, sizeof(*ev));
4701
4702 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4703 if (!hcon)
4704 return;
4705
4706 amp_read_loc_assoc_final_data(hdev, hcon);
4707}
4708
a9de9248
MH		 4709void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4710{
4711 struct hci_event_hdr *hdr = (void *) skb->data;
4712 __u8 event = hdr->evt;
4713
b6ddb638
JH		 4714 hci_dev_lock(hdev);
4715
4716 /* Received events are (currently) only needed when a request is
4717 * ongoing so avoid unnecessary memory allocation.
4718 */
899de765 4719 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4720 kfree_skb(hdev->recv_evt);
4721 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4722 }
4723
4724 hci_dev_unlock(hdev);
4725
a9de9248
MH		 4726 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4727
02350a72 4728 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4729 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4730 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4731
4732 hci_req_cmd_complete(hdev, opcode, 0);
4733 }
4734
a9de9248 4735 switch (event) {
1da177e4
LT		 4736 case HCI_EV_INQUIRY_COMPLETE:
4737 hci_inquiry_complete_evt(hdev, skb);
4738 break;
4739
4740 case HCI_EV_INQUIRY_RESULT:
4741 hci_inquiry_result_evt(hdev, skb);
4742 break;
4743
a9de9248
MH		 4744 case HCI_EV_CONN_COMPLETE:
4745 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4746 break;
4747
1da177e4
LT		 4748 case HCI_EV_CONN_REQUEST:
4749 hci_conn_request_evt(hdev, skb);
4750 break;
4751
1da177e4
LT		 4752 case HCI_EV_DISCONN_COMPLETE:
4753 hci_disconn_complete_evt(hdev, skb);
4754 break;
4755
1da177e4
LT		 4756 case HCI_EV_AUTH_COMPLETE:
4757 hci_auth_complete_evt(hdev, skb);
4758 break;
4759
a9de9248
MH		 4760 case HCI_EV_REMOTE_NAME:
4761 hci_remote_name_evt(hdev, skb);
4762 break;
4763
1da177e4
LT		 4764 case HCI_EV_ENCRYPT_CHANGE:
4765 hci_encrypt_change_evt(hdev, skb);
4766 break;
4767
a9de9248
MH		 4768 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4769 hci_change_link_key_complete_evt(hdev, skb);
4770 break;
4771
4772 case HCI_EV_REMOTE_FEATURES:
4773 hci_remote_features_evt(hdev, skb);
4774 break;
4775
a9de9248
MH		 4776 case HCI_EV_CMD_COMPLETE:
4777 hci_cmd_complete_evt(hdev, skb);
4778 break;
4779
4780 case HCI_EV_CMD_STATUS:
4781 hci_cmd_status_evt(hdev, skb);
4782 break;
4783
24dfa343
MH		 4784 case HCI_EV_HARDWARE_ERROR:
4785 hci_hardware_error_evt(hdev, skb);
4786 break;
4787
a9de9248
MH		 4788 case HCI_EV_ROLE_CHANGE:
4789 hci_role_change_evt(hdev, skb);
4790 break;
4791
4792 case HCI_EV_NUM_COMP_PKTS:
4793 hci_num_comp_pkts_evt(hdev, skb);
4794 break;
4795
4796 case HCI_EV_MODE_CHANGE:
4797 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4798 break;
4799
4800 case HCI_EV_PIN_CODE_REQ:
4801 hci_pin_code_request_evt(hdev, skb);
4802 break;
4803
4804 case HCI_EV_LINK_KEY_REQ:
4805 hci_link_key_request_evt(hdev, skb);
4806 break;
4807
4808 case HCI_EV_LINK_KEY_NOTIFY:
4809 hci_link_key_notify_evt(hdev, skb);
4810 break;
4811
4812 case HCI_EV_CLOCK_OFFSET:
4813 hci_clock_offset_evt(hdev, skb);
4814 break;
4815
a8746417
MH		 4816 case HCI_EV_PKT_TYPE_CHANGE:
4817 hci_pkt_type_change_evt(hdev, skb);
4818 break;
4819
85a1e930
MH		 4820 case HCI_EV_PSCAN_REP_MODE:
4821 hci_pscan_rep_mode_evt(hdev, skb);
4822 break;
4823
a9de9248
MH		 4824 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4825 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4826 break;
4827
a9de9248
MH		 4828 case HCI_EV_REMOTE_EXT_FEATURES:
4829 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4830 break;
4831
a9de9248
MH		 4832 case HCI_EV_SYNC_CONN_COMPLETE:
4833 hci_sync_conn_complete_evt(hdev, skb);
4834 break;
1da177e4 4835
a9de9248
MH		 4836 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4837 hci_extended_inquiry_result_evt(hdev, skb);
4838 break;
1da177e4 4839
1c2e0041
JH		 4840 case HCI_EV_KEY_REFRESH_COMPLETE:
4841 hci_key_refresh_complete_evt(hdev, skb);
4842 break;
4843
0493684e
MH		 4844 case HCI_EV_IO_CAPA_REQUEST:
4845 hci_io_capa_request_evt(hdev, skb);
4846 break;
4847
03b555e1
JH		 4848 case HCI_EV_IO_CAPA_REPLY:
4849 hci_io_capa_reply_evt(hdev, skb);
4850 break;
4851
a5c29683
JH		 4852 case HCI_EV_USER_CONFIRM_REQUEST:
4853 hci_user_confirm_request_evt(hdev, skb);
4854 break;
4855
1143d458
BG		 4856 case HCI_EV_USER_PASSKEY_REQUEST:
4857 hci_user_passkey_request_evt(hdev, skb);
4858 break;
4859
92a25256
JH		 4860 case HCI_EV_USER_PASSKEY_NOTIFY:
4861 hci_user_passkey_notify_evt(hdev, skb);
4862 break;
4863
4864 case HCI_EV_KEYPRESS_NOTIFY:
4865 hci_keypress_notify_evt(hdev, skb);
4866 break;
4867
0493684e
MH		 4868 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4869 hci_simple_pair_complete_evt(hdev, skb);
4870 break;
4871
41a96212
MH		 4872 case HCI_EV_REMOTE_HOST_FEATURES:
4873 hci_remote_host_features_evt(hdev, skb);
4874 break;
4875
fcd89c09
VT		 4876 case HCI_EV_LE_META:
4877 hci_le_meta_evt(hdev, skb);
4878 break;
4879
9495b2ee
AE		 4880 case HCI_EV_CHANNEL_SELECTED:
4881 hci_chan_selected_evt(hdev, skb);
4882 break;
4883
2763eda6
SJ		 4884 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4885 hci_remote_oob_data_request_evt(hdev, skb);
4886 break;
4887
d5e91192
AE		 4888 case HCI_EV_PHY_LINK_COMPLETE:
4889 hci_phy_link_complete_evt(hdev, skb);
4890 break;
4891
27695fb4
AE		 4892 case HCI_EV_LOGICAL_LINK_COMPLETE:
4893 hci_loglink_complete_evt(hdev, skb);
4894 break;
4895
606e2a10
AE		 4896 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4897 hci_disconn_loglink_complete_evt(hdev, skb);
4898 break;
4899
9eef6b3a
AE		 4900 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4901 hci_disconn_phylink_complete_evt(hdev, skb);
4902 break;
4903
25e89e99
AE		 4904 case HCI_EV_NUM_COMP_BLOCKS:
4905 hci_num_comp_blocks_evt(hdev, skb);
4906 break;
4907
a9de9248 4908 default:
9f1db00c 4909 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4910 break;
4911 }
4912
4913 kfree_skb(skb);
4914 hdev->stat.evt_rx++;
4915}
Linux kernel - Deliverables
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