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6lowpan: move skb_free from error paths in decompression
[deliverable/linux.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
7024728e 33#include "a2mp.h"
7ef9fbf0 34#include "amp.h"
2ceba539 35#include "smp.h"
1da177e4 36
1da177e4
LT		 37/* Handle HCI Event packets */
38
a9de9248 39static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 40{
a9de9248 41 __u8 status = *((__u8 *) skb->data);
1da177e4 42
9f1db00c 43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 44
82f4785c 45 if (status)
a9de9248 46 return;
1da177e4 47
89352e7d 48 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 51
50143a43
JH		 52 hci_dev_lock(hdev);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
54 hci_dev_unlock(hdev);
55
a9de9248
MH		 56 hci_conn_check_pending(hdev);
57}
6bd57416 58
4d93483b
AG		 59static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
60{
61 __u8 status = *((__u8 *) skb->data);
62
9f1db00c 63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 64
65 if (status)
66 return;
67
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG		 69}
70
a9de9248
MH		 71static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
72{
73 __u8 status = *((__u8 *) skb->data);
6bd57416 74
9f1db00c 75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 76
a9de9248
MH		 77 if (status)
78 return;
1da177e4 79
ae854a70
AG		 80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
81
a9de9248
MH		 82 hci_conn_check_pending(hdev);
83}
84
807deac2
GP		 85static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
86 struct sk_buff *skb)
a9de9248
MH		 87{
88 BT_DBG("%s", hdev->name);
89}
90
91static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
92{
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
95
9f1db00c 96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 97
98 if (rp->status)
99 return;
100
101 hci_dev_lock(hdev);
102
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 104 if (conn)
105 conn->role = rp->role;
a9de9248
MH		 106
107 hci_dev_unlock(hdev);
1da177e4
LT		 108}
109
e4e8e37c
MH		 110static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
111{
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
114
9f1db00c 115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 116
117 if (rp->status)
118 return;
119
120 hci_dev_lock(hdev);
121
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
123 if (conn)
124 conn->link_policy = __le16_to_cpu(rp->policy);
125
126 hci_dev_unlock(hdev);
127}
128
a9de9248 129static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 130{
a9de9248 131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 132 struct hci_conn *conn;
04837f64 133 void *sent;
1da177e4 134
9f1db00c 135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 136
a9de9248
MH		 137 if (rp->status)
138 return;
1da177e4 139
a9de9248
MH		 140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
141 if (!sent)
142 return;
1da177e4 143
a9de9248 144 hci_dev_lock(hdev);
1da177e4 145
a9de9248 146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 147 if (conn)
83985319 148 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 149
a9de9248
MH		 150 hci_dev_unlock(hdev);
151}
1da177e4 152
807deac2
GP		 153static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
154 struct sk_buff *skb)
e4e8e37c
MH		 155{
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
157
9f1db00c 158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 159
160 if (rp->status)
161 return;
162
163 hdev->link_policy = __le16_to_cpu(rp->policy);
164}
165
807deac2
GP		 166static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
167 struct sk_buff *skb)
e4e8e37c
MH		 168{
169 __u8 status = *((__u8 *) skb->data);
170 void *sent;
171
9f1db00c 172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 173
45296acd
MH		 174 if (status)
175 return;
176
e4e8e37c
MH		 177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
178 if (!sent)
179 return;
180
45296acd 181 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 182}
183
a9de9248
MH		 184static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
185{
186 __u8 status = *((__u8 *) skb->data);
04837f64 187
9f1db00c 188 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 189
10572132
GP		 190 clear_bit(HCI_RESET, &hdev->flags);
191
8761f9d6
MH		 192 if (status)
193 return;
194
a297e97c 195 /* Reset all non-persistent flags */
2cc6fb00 196 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 197
198 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 199 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
200 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 201
202 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
203 hdev->adv_data_len = 0;
f8e808bd
MH		 204
205 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
206 hdev->scan_rsp_data_len = 0;
06f5b778 207
533553f8
MH		 208 hdev->le_scan_type = LE_SCAN_PASSIVE;
209
06f5b778 210 hdev->ssp_debug_mode = 0;
a4d5504d
MH		 211
212 hci_bdaddr_list_clear(&hdev->le_white_list);
a9de9248 213}
04837f64 214
a9de9248
MH		 215static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
216{
217 __u8 status = *((__u8 *) skb->data);
218 void *sent;
04837f64 219
9f1db00c 220 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 221
a9de9248
MH		 222 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
223 if (!sent)
224 return;
04837f64 225
56e5cb86
JH		 226 hci_dev_lock(hdev);
227
f51d5b24
JH		 228 if (test_bit(HCI_MGMT, &hdev->dev_flags))
229 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 230 else if (!status)
231 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 232
56e5cb86 233 hci_dev_unlock(hdev);
a9de9248
MH		 234}
235
236static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
237{
238 struct hci_rp_read_local_name *rp = (void *) skb->data;
239
9f1db00c 240 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 241
242 if (rp->status)
243 return;
244
db99b5fc
JH		 245 if (test_bit(HCI_SETUP, &hdev->dev_flags))
246 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 247}
248
249static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
250{
251 __u8 status = *((__u8 *) skb->data);
252 void *sent;
253
9f1db00c 254 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 255
256 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
257 if (!sent)
258 return;
259
260 if (!status) {
261 __u8 param = *((__u8 *) sent);
262
263 if (param == AUTH_ENABLED)
264 set_bit(HCI_AUTH, &hdev->flags);
265 else
266 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 267 }
a9de9248 268
33ef95ed
JH		 269 if (test_bit(HCI_MGMT, &hdev->dev_flags))
270 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 271}
272
a9de9248 273static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 274{
a9de9248 275 __u8 status = *((__u8 *) skb->data);
45296acd 276 __u8 param;
1da177e4
LT		 277 void *sent;
278
9f1db00c 279 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 280
45296acd
MH		 281 if (status)
282 return;
283
a9de9248
MH		 284 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
285 if (!sent)
286 return;
1da177e4 287
45296acd 288 param = *((__u8 *) sent);
a9de9248 289
45296acd
MH		 290 if (param)
291 set_bit(HCI_ENCRYPT, &hdev->flags);
292 else
293 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 294}
1da177e4 295
a9de9248
MH		 296static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
297{
45296acd
MH		 298 __u8 status = *((__u8 *) skb->data);
299 __u8 param;
a9de9248 300 void *sent;
1da177e4 301
9f1db00c 302 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 303
a9de9248
MH		 304 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
305 if (!sent)
306 return;
1da177e4 307
36f7fc7e
JH		 308 param = *((__u8 *) sent);
309
56e5cb86
JH		 310 hci_dev_lock(hdev);
311
fa1bd918 312 if (status) {
2d7cee58
JH		 313 hdev->discov_timeout = 0;
314 goto done;
315 }
316
bc6d2d04 317 if (param & SCAN_INQUIRY)
36f7fc7e 318 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 319 else
320 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 321
031547d8 322 if (param & SCAN_PAGE)
36f7fc7e 323 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04 324 else
204e3990 325 clear_bit(HCI_PSCAN, &hdev->flags);
1da177e4 326
36f7fc7e 327done:
56e5cb86 328 hci_dev_unlock(hdev);
a9de9248 329}
1da177e4 330
a9de9248
MH		 331static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
332{
333 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 334
9f1db00c 335 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 336
a9de9248
MH		 337 if (rp->status)
338 return;
1da177e4 339
a9de9248 340 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 341
a9de9248 342 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 343 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 344}
1da177e4 345
a9de9248
MH		 346static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
347{
348 __u8 status = *((__u8 *) skb->data);
349 void *sent;
1da177e4 350
9f1db00c 351 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 352
a9de9248
MH		 353 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
354 if (!sent)
355 return;
1da177e4 356
7f9a903c
MH		 357 hci_dev_lock(hdev);
358
359 if (status == 0)
360 memcpy(hdev->dev_class, sent, 3);
361
362 if (test_bit(HCI_MGMT, &hdev->dev_flags))
363 mgmt_set_class_of_dev_complete(hdev, sent, status);
364
365 hci_dev_unlock(hdev);
a9de9248 366}
1da177e4 367
a9de9248
MH		 368static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
369{
370 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
371 __u16 setting;
372
9f1db00c 373 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 374
375 if (rp->status)
376 return;
377
378 setting = __le16_to_cpu(rp->voice_setting);
379
f383f275 380 if (hdev->voice_setting == setting)
a9de9248
MH		 381 return;
382
383 hdev->voice_setting = setting;
384
9f1db00c 385 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 386
3c54711c 387 if (hdev->notify)
a9de9248 388 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 389}
390
8fc9ced3
GP		 391static void hci_cc_write_voice_setting(struct hci_dev *hdev,
392 struct sk_buff *skb)
a9de9248
MH		 393{
394 __u8 status = *((__u8 *) skb->data);
f383f275 395 __u16 setting;
a9de9248
MH		 396 void *sent;
397
9f1db00c 398 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 399
f383f275
MH		 400 if (status)
401 return;
402
a9de9248
MH		 403 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
404 if (!sent)
405 return;
1da177e4 406
f383f275 407 setting = get_unaligned_le16(sent);
1da177e4 408
f383f275
MH		 409 if (hdev->voice_setting == setting)
410 return;
411
412 hdev->voice_setting = setting;
1da177e4 413
9f1db00c 414 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 415
3c54711c 416 if (hdev->notify)
f383f275 417 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 418}
419
b4cb9fb2
MH		 420static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
421 struct sk_buff *skb)
422{
423 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
424
425 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
426
427 if (rp->status)
428 return;
429
430 hdev->num_iac = rp->num_iac;
431
432 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
433}
434
333140b5
MH		 435static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
436{
437 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 438 struct hci_cp_write_ssp_mode *sent;
333140b5 439
9f1db00c 440 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 441
333140b5
MH		 442 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
443 if (!sent)
444 return;
445
5ed8eb2f
JH		 446 if (!status) {
447 if (sent->mode)
cad718ed 448 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 449 else
cad718ed 450 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 451 }
452
ed2c4ee3 453 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 454 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 455 else if (!status) {
5ed8eb2f 456 if (sent->mode)
c0ecddc2
JH		 457 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
458 else
459 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
460 }
333140b5
MH		 461}
462
eac83dc6
MH		 463static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
464{
465 u8 status = *((u8 *) skb->data);
466 struct hci_cp_write_sc_support *sent;
467
468 BT_DBG("%s status 0x%2.2x", hdev->name, status);
469
470 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
471 if (!sent)
472 return;
473
474 if (!status) {
475 if (sent->support)
476 hdev->features[1][0] |= LMP_HOST_SC;
477 else
478 hdev->features[1][0] &= ~LMP_HOST_SC;
479 }
480
481 if (test_bit(HCI_MGMT, &hdev->dev_flags))
482 mgmt_sc_enable_complete(hdev, sent->support, status);
483 else if (!status) {
484 if (sent->support)
485 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
486 else
487 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
488 }
489}
490
a9de9248
MH		 491static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
492{
493 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 494
9f1db00c 495 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 496
a9de9248 497 if (rp->status)
42c6b129 498 return;
1143e5a6 499
0d5551f5
MH		 500 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
501 hdev->hci_ver = rp->hci_ver;
502 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
503 hdev->lmp_ver = rp->lmp_ver;
504 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
505 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
506 }
d5859e22
JH		 507}
508
8fc9ced3
GP		 509static void hci_cc_read_local_commands(struct hci_dev *hdev,
510 struct sk_buff *skb)
a9de9248
MH		 511{
512 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 513
9f1db00c 514 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 515
6a070e6e
MH		 516 if (rp->status)
517 return;
518
519 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 520 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 521}
1da177e4 522
8fc9ced3
GP		 523static void hci_cc_read_local_features(struct hci_dev *hdev,
524 struct sk_buff *skb)
a9de9248
MH		 525{
526 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 527
9f1db00c 528 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 529
a9de9248
MH		 530 if (rp->status)
531 return;
5b7f9909 532
a9de9248 533 memcpy(hdev->features, rp->features, 8);
5b7f9909 534
a9de9248
MH		 535 /* Adjust default settings according to features
536 * supported by device. */
1da177e4 537
cad718ed 538 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 539 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 540
cad718ed 541 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 542 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 543
cad718ed 544 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 545 hdev->pkt_type |= (HCI_HV2);
546 hdev->esco_type |= (ESCO_HV2);
547 }
1da177e4 548
cad718ed 549 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 550 hdev->pkt_type |= (HCI_HV3);
551 hdev->esco_type |= (ESCO_HV3);
552 }
1da177e4 553
45db810f 554 if (lmp_esco_capable(hdev))
a9de9248 555 hdev->esco_type |= (ESCO_EV3);
da1f5198 556
cad718ed 557 if (hdev->features[0][4] & LMP_EV4)
a9de9248 558 hdev->esco_type |= (ESCO_EV4);
da1f5198 559
cad718ed 560 if (hdev->features[0][4] & LMP_EV5)
a9de9248 561 hdev->esco_type |= (ESCO_EV5);
1da177e4 562
cad718ed 563 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 564 hdev->esco_type |= (ESCO_2EV3);
565
cad718ed 566 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 567 hdev->esco_type |= (ESCO_3EV3);
568
cad718ed 569 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 570 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 571}
1da177e4 572
971e3a4b 573static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 574 struct sk_buff *skb)
971e3a4b
AG		 575{
576 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
577
9f1db00c 578 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 579
580 if (rp->status)
42c6b129 581 return;
971e3a4b 582
57af75a8
MH		 583 if (hdev->max_page < rp->max_page)
584 hdev->max_page = rp->max_page;
d2c5d77f 585
cad718ed
JH		 586 if (rp->page < HCI_MAX_PAGES)
587 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 588}
589
1e89cffb 590static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 591 struct sk_buff *skb)
1e89cffb
AE		 592{
593 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
594
9f1db00c 595 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 596
45296acd
MH		 597 if (rp->status)
598 return;
599
600 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 601}
602
a9de9248
MH		 603static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
604{
605 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 606
9f1db00c 607 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 608
a9de9248
MH		 609 if (rp->status)
610 return;
1da177e4 611
a9de9248
MH		 612 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
613 hdev->sco_mtu = rp->sco_mtu;
614 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
615 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
616
617 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
618 hdev->sco_mtu = 64;
619 hdev->sco_pkts = 8;
1da177e4 620 }
a9de9248
MH		 621
622 hdev->acl_cnt = hdev->acl_pkts;
623 hdev->sco_cnt = hdev->sco_pkts;
624
807deac2
GP		 625 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
626 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 627}
628
629static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
630{
631 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
632
9f1db00c 633 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 634
e30d3f5f
MH		 635 if (rp->status)
636 return;
637
638 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 639 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 640
641 if (test_bit(HCI_SETUP, &hdev->dev_flags))
642 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 643}
644
f332ec66
JH		 645static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
646 struct sk_buff *skb)
647{
648 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
649
650 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
651
45296acd
MH		 652 if (rp->status)
653 return;
654
655 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 656 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
657 hdev->page_scan_window = __le16_to_cpu(rp->window);
658 }
659}
660
4a3ee763
JH		 661static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
662 struct sk_buff *skb)
663{
664 u8 status = *((u8 *) skb->data);
665 struct hci_cp_write_page_scan_activity *sent;
666
667 BT_DBG("%s status 0x%2.2x", hdev->name, status);
668
669 if (status)
670 return;
671
672 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
673 if (!sent)
674 return;
675
676 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
677 hdev->page_scan_window = __le16_to_cpu(sent->window);
678}
679
f332ec66
JH		 680static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
681 struct sk_buff *skb)
682{
683 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
684
685 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
686
45296acd
MH		 687 if (rp->status)
688 return;
689
690 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 691 hdev->page_scan_type = rp->type;
692}
693
4a3ee763
JH		 694static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
695 struct sk_buff *skb)
696{
697 u8 status = *((u8 *) skb->data);
698 u8 *type;
699
700 BT_DBG("%s status 0x%2.2x", hdev->name, status);
701
702 if (status)
703 return;
704
705 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
706 if (type)
707 hdev->page_scan_type = *type;
708}
709
350ee4cf 710static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 711 struct sk_buff *skb)
350ee4cf
AE		 712{
713 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
714
9f1db00c 715 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 716
717 if (rp->status)
718 return;
719
720 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
721 hdev->block_len = __le16_to_cpu(rp->block_len);
722 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
723
724 hdev->block_cnt = hdev->num_blocks;
725
726 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 727 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 728}
729
33f35721
JH		 730static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
731{
732 struct hci_rp_read_clock *rp = (void *) skb->data;
733 struct hci_cp_read_clock *cp;
734 struct hci_conn *conn;
735
736 BT_DBG("%s", hdev->name);
737
738 if (skb->len < sizeof(*rp))
739 return;
740
741 if (rp->status)
742 return;
743
744 hci_dev_lock(hdev);
745
746 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
747 if (!cp)
748 goto unlock;
749
750 if (cp->which == 0x00) {
751 hdev->clock = le32_to_cpu(rp->clock);
752 goto unlock;
753 }
754
755 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
756 if (conn) {
757 conn->clock = le32_to_cpu(rp->clock);
758 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
759 }
760
761unlock:
762 hci_dev_unlock(hdev);
763}
764
928abaa7 765static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 766 struct sk_buff *skb)
928abaa7
AE		 767{
768 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
769
9f1db00c 770 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 771
772 if (rp->status)
8e2a0d92 773 goto a2mp_rsp;
928abaa7
AE		 774
775 hdev->amp_status = rp->amp_status;
776 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
777 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
778 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
779 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
780 hdev->amp_type = rp->amp_type;
781 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
782 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
783 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
784 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
785
8e2a0d92
AE		 786a2mp_rsp:
787 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 788}
789
903e4541
AE		 790static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
791 struct sk_buff *skb)
792{
793 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
794 struct amp_assoc *assoc = &hdev->loc_assoc;
795 size_t rem_len, frag_len;
796
797 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
798
799 if (rp->status)
800 goto a2mp_rsp;
801
802 frag_len = skb->len - sizeof(*rp);
803 rem_len = __le16_to_cpu(rp->rem_len);
804
805 if (rem_len > frag_len) {
2e430be3 806 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 807
808 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
809 assoc->offset += frag_len;
810
811 /* Read other fragments */
812 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
813
814 return;
815 }
816
817 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
818 assoc->len = assoc->offset + rem_len;
819 assoc->offset = 0;
820
821a2mp_rsp:
822 /* Send A2MP Rsp when all fragments are received */
823 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 824 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 825}
826
d5859e22 827static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 828 struct sk_buff *skb)
d5859e22 829{
91c4e9b1 830 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 831
9f1db00c 832 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 833
45296acd
MH		 834 if (rp->status)
835 return;
836
837 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 838}
839
980e1a53
JH		 840static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
841{
842 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
843 struct hci_cp_pin_code_reply *cp;
844 struct hci_conn *conn;
845
9f1db00c 846 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 847
56e5cb86
JH		 848 hci_dev_lock(hdev);
849
a8b2d5c2 850 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 851 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 852
fa1bd918 853 if (rp->status)
56e5cb86 854 goto unlock;
980e1a53
JH		 855
856 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
857 if (!cp)
56e5cb86 858 goto unlock;
980e1a53
JH		 859
860 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
861 if (conn)
862 conn->pin_length = cp->pin_len;
56e5cb86
JH		 863
864unlock:
865 hci_dev_unlock(hdev);
980e1a53
JH		 866}
867
868static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
869{
870 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
871
9f1db00c 872 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 873
56e5cb86
JH		 874 hci_dev_lock(hdev);
875
a8b2d5c2 876 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 877 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 878 rp->status);
56e5cb86
JH		 879
880 hci_dev_unlock(hdev);
980e1a53 881}
56e5cb86 882
6ed58ec5
VT		 883static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
884 struct sk_buff *skb)
885{
886 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
887
9f1db00c 888 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 889
890 if (rp->status)
891 return;
892
893 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
894 hdev->le_pkts = rp->le_max_pkt;
895
896 hdev->le_cnt = hdev->le_pkts;
897
898 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 899}
980e1a53 900
60e77321
JH		 901static void hci_cc_le_read_local_features(struct hci_dev *hdev,
902 struct sk_buff *skb)
903{
904 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
905
906 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
907
45296acd
MH		 908 if (rp->status)
909 return;
910
911 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 912}
913
8fa19098
JH		 914static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
915 struct sk_buff *skb)
916{
917 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
918
919 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
920
45296acd
MH		 921 if (rp->status)
922 return;
923
924 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 925}
926
a5c29683
JH		 927static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
928{
929 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
930
9f1db00c 931 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 932
56e5cb86
JH		 933 hci_dev_lock(hdev);
934
a8b2d5c2 935 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 936 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
937 rp->status);
56e5cb86
JH		 938
939 hci_dev_unlock(hdev);
a5c29683
JH		 940}
941
942static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 943 struct sk_buff *skb)
a5c29683
JH		 944{
945 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
946
9f1db00c 947 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 948
56e5cb86
JH		 949 hci_dev_lock(hdev);
950
a8b2d5c2 951 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 952 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 953 ACL_LINK, 0, rp->status);
56e5cb86
JH		 954
955 hci_dev_unlock(hdev);
a5c29683
JH		 956}
957
1143d458
BG		 958static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
959{
960 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
961
9f1db00c 962 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 963
964 hci_dev_lock(hdev);
965
a8b2d5c2 966 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 967 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 968 0, rp->status);
1143d458
BG		 969
970 hci_dev_unlock(hdev);
971}
972
973static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 974 struct sk_buff *skb)
1143d458
BG		 975{
976 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
977
9f1db00c 978 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 979
980 hci_dev_lock(hdev);
981
a8b2d5c2 982 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 983 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 984 ACL_LINK, 0, rp->status);
1143d458
BG		 985
986 hci_dev_unlock(hdev);
987}
988
4d2d2796
MH		 989static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
990 struct sk_buff *skb)
c35938b2
SJ		 991{
992 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
993
9f1db00c 994 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 995
56e5cb86 996 hci_dev_lock(hdev);
4d2d2796
MH		 997 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
998 NULL, NULL, rp->status);
999 hci_dev_unlock(hdev);
1000}
1001
1002static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1003 struct sk_buff *skb)
1004{
1005 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1006
1007 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1008
1009 hci_dev_lock(hdev);
1010 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1011 rp->hash256, rp->randomizer256,
1012 rp->status);
56e5cb86 1013 hci_dev_unlock(hdev);
c35938b2
SJ		 1014}
1015
7a4cd51d
MH		 1016
1017static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1018{
1019 __u8 status = *((__u8 *) skb->data);
1020 bdaddr_t *sent;
1021
1022 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1023
45296acd
MH		 1024 if (status)
1025 return;
1026
7a4cd51d
MH		 1027 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1028 if (!sent)
1029 return;
1030
1031 hci_dev_lock(hdev);
1032
45296acd 1033 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1034
1035 hci_dev_unlock(hdev);
1036}
1037
c1d5dc4a
JH		 1038static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1039{
1040 __u8 *sent, status = *((__u8 *) skb->data);
1041
1042 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1043
45296acd 1044 if (status)
c1d5dc4a
JH		 1045 return;
1046
45296acd
MH		 1047 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1048 if (!sent)
3c857757
JH		 1049 return;
1050
c1d5dc4a
JH		 1051 hci_dev_lock(hdev);
1052
49c922bb 1053 /* If we're doing connection initiation as peripheral. Set a
3c857757
JH		 1054 * timeout in case something goes wrong.
1055 */
1056 if (*sent) {
1057 struct hci_conn *conn;
1058
66c417c1
JH		 1059 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1060
3c857757
JH		 1061 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1062 if (conn)
1063 queue_delayed_work(hdev->workqueue,
1064 &conn->le_conn_timeout,
09ae260b 1065 conn->conn_timeout);
66c417c1
JH		 1066 } else {
1067 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1068 }
1069
04b4edcb 1070 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1071}
1072
533553f8
MH		 1073static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1074{
1075 struct hci_cp_le_set_scan_param *cp;
1076 __u8 status = *((__u8 *) skb->data);
1077
1078 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1079
45296acd
MH		 1080 if (status)
1081 return;
1082
533553f8
MH		 1083 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1084 if (!cp)
1085 return;
1086
1087 hci_dev_lock(hdev);
1088
45296acd 1089 hdev->le_scan_type = cp->type;
533553f8
MH		 1090
1091 hci_dev_unlock(hdev);
1092}
1093
b9a6328f
JH		 1094static bool has_pending_adv_report(struct hci_dev *hdev)
1095{
1096 struct discovery_state *d = &hdev->discovery;
1097
1098 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1099}
1100
1101static void clear_pending_adv_report(struct hci_dev *hdev)
1102{
1103 struct discovery_state *d = &hdev->discovery;
1104
1105 bacpy(&d->last_adv_addr, BDADDR_ANY);
1106 d->last_adv_data_len = 0;
1107}
1108
1109static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1110 u8 bdaddr_type, s8 rssi, u32 flags,
1111 u8 *data, u8 len)
b9a6328f
JH		 1112{
1113 struct discovery_state *d = &hdev->discovery;
1114
1115 bacpy(&d->last_adv_addr, bdaddr);
1116 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1117 d->last_adv_rssi = rssi;
c70a7e4c 1118 d->last_adv_flags = flags;
b9a6328f
JH		 1119 memcpy(d->last_adv_data, data, len);
1120 d->last_adv_data_len = len;
1121}
1122
eb9d91f5 1123static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1124 struct sk_buff *skb)
eb9d91f5
AG		 1125{
1126 struct hci_cp_le_set_scan_enable *cp;
1127 __u8 status = *((__u8 *) skb->data);
1128
9f1db00c 1129 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1130
45296acd 1131 if (status)
eb9d91f5
AG		 1132 return;
1133
45296acd
MH		 1134 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1135 if (!cp)
3fd319b8
AG		 1136 return;
1137
68a8aea4 1138 switch (cp->enable) {
76a388be 1139 case LE_SCAN_ENABLE:
d23264a8 1140 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1141 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1142 clear_pending_adv_report(hdev);
68a8aea4
AE		 1143 break;
1144
76a388be 1145 case LE_SCAN_DISABLE:
b9a6328f
JH		 1146 /* We do this here instead of when setting DISCOVERY_STOPPED
1147 * since the latter would potentially require waiting for
1148 * inquiry to stop too.
1149 */
1150 if (has_pending_adv_report(hdev)) {
1151 struct discovery_state *d = &hdev->discovery;
1152
1153 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1154 d->last_adv_addr_type, NULL,
c70a7e4c 1155 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1156 d->last_adv_data,
b9a6328f
JH		 1157 d->last_adv_data_len, NULL, 0);
1158 }
1159
317ac8cb
JH		 1160 /* Cancel this timer so that we don't try to disable scanning
1161 * when it's already disabled.
1162 */
1163 cancel_delayed_work(&hdev->le_scan_disable);
1164
d23264a8 1165 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1166
81ad6fd9
JH		 1167 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1168 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1169 * therefore discovery as stopped. If this was not
1170 * because of a connect request advertising might have
1171 * been disabled because of active scanning, so
1172 * re-enable it again if necessary.
81ad6fd9
JH		 1173 */
1174 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1175 &hdev->dev_flags))
1176 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1177 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1178 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1179 mgmt_reenable_advertising(hdev);
1180
68a8aea4
AE		 1181 break;
1182
1183 default:
1184 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1185 break;
35815085 1186 }
eb9d91f5
AG		 1187}
1188
cf1d081f
JH		 1189static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1190 struct sk_buff *skb)
1191{
1192 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1193
1194 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1195
45296acd
MH		 1196 if (rp->status)
1197 return;
1198
1199 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1200}
1201
0f36b589
MH		 1202static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1203 struct sk_buff *skb)
1204{
1205 __u8 status = *((__u8 *) skb->data);
1206
1207 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1208
45296acd
MH		 1209 if (status)
1210 return;
1211
dcc36c16 1212 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1213}
1214
1215static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1216 struct sk_buff *skb)
1217{
1218 struct hci_cp_le_add_to_white_list *sent;
1219 __u8 status = *((__u8 *) skb->data);
1220
1221 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1222
45296acd
MH		 1223 if (status)
1224 return;
1225
0f36b589
MH		 1226 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1227 if (!sent)
1228 return;
1229
dcc36c16
JH		 1230 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1231 sent->bdaddr_type);
0f36b589
MH		 1232}
1233
1234static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1235 struct sk_buff *skb)
1236{
1237 struct hci_cp_le_del_from_white_list *sent;
1238 __u8 status = *((__u8 *) skb->data);
1239
1240 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1241
45296acd
MH		 1242 if (status)
1243 return;
1244
0f36b589
MH		 1245 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1246 if (!sent)
1247 return;
1248
dcc36c16
JH		 1249 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1250 sent->bdaddr_type);
0f36b589
MH		 1251}
1252
9b008c04
JH		 1253static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1254 struct sk_buff *skb)
1255{
1256 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1257
1258 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1259
45296acd
MH		 1260 if (rp->status)
1261 return;
1262
1263 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1264}
1265
6039aa73
GP		 1266static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1267 struct sk_buff *skb)
f9b49306 1268{
06199cf8 1269 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1270 __u8 status = *((__u8 *) skb->data);
1271
9f1db00c 1272 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1273
45296acd
MH		 1274 if (status)
1275 return;
1276
06199cf8 1277 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1278 if (!sent)
f9b49306
AG		 1279 return;
1280
45296acd
MH		 1281 if (sent->le) {
1282 hdev->features[1][0] |= LMP_HOST_LE;
1283 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1284 } else {
1285 hdev->features[1][0] &= ~LMP_HOST_LE;
1286 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1287 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1288 }
45296acd
MH		 1289
1290 if (sent->simul)
1291 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1292 else
1293 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1294}
1295
56ed2cb8
JH		 1296static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1297{
1298 struct hci_cp_le_set_adv_param *cp;
1299 u8 status = *((u8 *) skb->data);
1300
1301 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1302
1303 if (status)
1304 return;
1305
1306 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1307 if (!cp)
1308 return;
1309
1310 hci_dev_lock(hdev);
1311 hdev->adv_addr_type = cp->own_address_type;
1312 hci_dev_unlock(hdev);
1313}
1314
93c284ee
AE		 1315static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1316 struct sk_buff *skb)
1317{
1318 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1319
1320 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1321 hdev->name, rp->status, rp->phy_handle);
1322
1323 if (rp->status)
1324 return;
1325
1326 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1327}
1328
5ae76a94
AK		 1329static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1330{
1331 struct hci_rp_read_rssi *rp = (void *) skb->data;
1332 struct hci_conn *conn;
1333
1334 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1335
1336 if (rp->status)
1337 return;
1338
1339 hci_dev_lock(hdev);
1340
1341 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1342 if (conn)
1343 conn->rssi = rp->rssi;
1344
1345 hci_dev_unlock(hdev);
1346}
1347
5a134fae
AK		 1348static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1349{
1350 struct hci_cp_read_tx_power *sent;
1351 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1352 struct hci_conn *conn;
1353
1354 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1355
1356 if (rp->status)
1357 return;
1358
1359 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1360 if (!sent)
1361 return;
1362
1363 hci_dev_lock(hdev);
1364
1365 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1366 if (!conn)
1367 goto unlock;
1368
1369 switch (sent->type) {
1370 case 0x00:
5a134fae 1371 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1372 break;
1373 case 0x01:
1374 conn->max_tx_power = rp->tx_power;
1375 break;
1376 }
5a134fae 1377
d0455ed9 1378unlock:
5a134fae
AK		 1379 hci_dev_unlock(hdev);
1380}
1381
6039aa73 1382static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1383{
9f1db00c 1384 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1385
1386 if (status) {
a9de9248 1387 hci_conn_check_pending(hdev);
314b2381
JH		 1388 return;
1389 }
1390
89352e7d 1391 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1392}
1393
6039aa73 1394static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1395{
a9de9248 1396 struct hci_cp_create_conn *cp;
1da177e4 1397 struct hci_conn *conn;
1da177e4 1398
9f1db00c 1399 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1400
1401 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1402 if (!cp)
1403 return;
1404
1405 hci_dev_lock(hdev);
1406
1407 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1408
6ed93dc6 1409 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1410
1411 if (status) {
1412 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1413 if (status != 0x0c || conn->attempt > 2) {
1414 conn->state = BT_CLOSED;
1415 hci_proto_connect_cfm(conn, status);
1416 hci_conn_del(conn);
1417 } else
1418 conn->state = BT_CONNECT2;
1da177e4
LT		 1419 }
1420 } else {
1421 if (!conn) {
a5c4e309
JH		 1422 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1423 HCI_ROLE_MASTER);
1424 if (!conn)
893ef971 1425 BT_ERR("No memory for new connection");
1da177e4
LT		 1426 }
1427 }
1428
1429 hci_dev_unlock(hdev);
1430}
1431
a9de9248 1432static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1433{
a9de9248
MH		 1434 struct hci_cp_add_sco *cp;
1435 struct hci_conn *acl, *sco;
1436 __u16 handle;
1da177e4 1437
9f1db00c 1438 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1439
a9de9248
MH		 1440 if (!status)
1441 return;
1da177e4 1442
a9de9248
MH		 1443 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1444 if (!cp)
1445 return;
1da177e4 1446
a9de9248 1447 handle = __le16_to_cpu(cp->handle);
1da177e4 1448
9f1db00c 1449 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1450
a9de9248 1451 hci_dev_lock(hdev);
1da177e4 1452
a9de9248 1453 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1454 if (acl) {
1455 sco = acl->link;
1456 if (sco) {
1457 sco->state = BT_CLOSED;
1da177e4 1458
5a08ecce
AE		 1459 hci_proto_connect_cfm(sco, status);
1460 hci_conn_del(sco);
1461 }
a9de9248 1462 }
1da177e4 1463
a9de9248
MH		 1464 hci_dev_unlock(hdev);
1465}
1da177e4 1466
f8558555
MH		 1467static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1468{
1469 struct hci_cp_auth_requested *cp;
1470 struct hci_conn *conn;
1471
9f1db00c 1472 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1473
1474 if (!status)
1475 return;
1476
1477 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1478 if (!cp)
1479 return;
1480
1481 hci_dev_lock(hdev);
1482
1483 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1484 if (conn) {
1485 if (conn->state == BT_CONFIG) {
1486 hci_proto_connect_cfm(conn, status);
76a68ba0 1487 hci_conn_drop(conn);
f8558555
MH		 1488 }
1489 }
1490
1491 hci_dev_unlock(hdev);
1492}
1493
1494static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1495{
1496 struct hci_cp_set_conn_encrypt *cp;
1497 struct hci_conn *conn;
1498
9f1db00c 1499 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1500
1501 if (!status)
1502 return;
1503
1504 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1505 if (!cp)
1506 return;
1507
1508 hci_dev_lock(hdev);
1509
1510 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1511 if (conn) {
1512 if (conn->state == BT_CONFIG) {
1513 hci_proto_connect_cfm(conn, status);
76a68ba0 1514 hci_conn_drop(conn);
f8558555
MH		 1515 }
1516 }
1517
1518 hci_dev_unlock(hdev);
1519}
1520
127178d2 1521static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1522 struct hci_conn *conn)
392599b9 1523{
392599b9
JH		 1524 if (conn->state != BT_CONFIG || !conn->out)
1525 return 0;
1526
765c2a96 1527 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1528 return 0;
1529
1530 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1531 * devices with sec_level MEDIUM or HIGH or if MITM protection
1532 * is requested.
1533 */
807deac2 1534 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1535 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1536 conn->pending_sec_level != BT_SECURITY_HIGH &&
1537 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1538 return 0;
1539
392599b9
JH		 1540 return 1;
1541}
1542
6039aa73 1543static int hci_resolve_name(struct hci_dev *hdev,
04124681 1544 struct inquiry_entry *e)
30dc78e1
JH		 1545{
1546 struct hci_cp_remote_name_req cp;
1547
1548 memset(&cp, 0, sizeof(cp));
1549
1550 bacpy(&cp.bdaddr, &e->data.bdaddr);
1551 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1552 cp.pscan_mode = e->data.pscan_mode;
1553 cp.clock_offset = e->data.clock_offset;
1554
1555 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1556}
1557
b644ba33 1558static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1559{
1560 struct discovery_state *discov = &hdev->discovery;
1561 struct inquiry_entry *e;
1562
b644ba33
JH		 1563 if (list_empty(&discov->resolve))
1564 return false;
1565
1566 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1567 if (!e)
1568 return false;
1569
b644ba33
JH		 1570 if (hci_resolve_name(hdev, e) == 0) {
1571 e->name_state = NAME_PENDING;
1572 return true;
1573 }
1574
1575 return false;
1576}
1577
1578static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1579 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1580{
1581 struct discovery_state *discov = &hdev->discovery;
1582 struct inquiry_entry *e;
1583
1584 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 1585 mgmt_device_connected(hdev, conn, 0, name, name_len);
b644ba33
JH		 1586
1587 if (discov->state == DISCOVERY_STOPPED)
1588 return;
1589
30dc78e1
JH		 1590 if (discov->state == DISCOVERY_STOPPING)
1591 goto discov_complete;
1592
1593 if (discov->state != DISCOVERY_RESOLVING)
1594 return;
1595
1596 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1597 /* If the device was not found in a list of found devices names of which
1598 * are pending. there is no need to continue resolving a next name as it
1599 * will be done upon receiving another Remote Name Request Complete
1600 * Event */
1601 if (!e)
1602 return;
1603
1604 list_del(&e->list);
1605 if (name) {
30dc78e1 1606 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1607 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1608 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1609 } else {
1610 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1611 }
1612
b644ba33 1613 if (hci_resolve_next_name(hdev))
30dc78e1 1614 return;
30dc78e1
JH		 1615
1616discov_complete:
1617 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1618}
1619
a9de9248
MH		 1620static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1621{
127178d2
JH		 1622 struct hci_cp_remote_name_req *cp;
1623 struct hci_conn *conn;
1624
9f1db00c 1625 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1626
1627 /* If successful wait for the name req complete event before
1628 * checking for the need to do authentication */
1629 if (!status)
1630 return;
1631
1632 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1633 if (!cp)
1634 return;
1635
1636 hci_dev_lock(hdev);
1637
b644ba33
JH		 1638 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1639
a8b2d5c2 1640 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1641 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1642
79c6c70c
JH		 1643 if (!conn)
1644 goto unlock;
1645
1646 if (!hci_outgoing_auth_needed(hdev, conn))
1647 goto unlock;
1648
51a8efd7 1649 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1650 struct hci_cp_auth_requested auth_cp;
1651
977f8fce
JH		 1652 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1653
c1f23a2b
JB		 1654 auth_cp.handle = __cpu_to_le16(conn->handle);
1655 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1656 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1657 }
1658
79c6c70c 1659unlock:
127178d2 1660 hci_dev_unlock(hdev);
a9de9248 1661}
1da177e4 1662
769be974
MH		 1663static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1664{
1665 struct hci_cp_read_remote_features *cp;
1666 struct hci_conn *conn;
1667
9f1db00c 1668 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1669
1670 if (!status)
1671 return;
1672
1673 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1674 if (!cp)
1675 return;
1676
1677 hci_dev_lock(hdev);
1678
1679 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1680 if (conn) {
1681 if (conn->state == BT_CONFIG) {
769be974 1682 hci_proto_connect_cfm(conn, status);
76a68ba0 1683 hci_conn_drop(conn);
769be974
MH		 1684 }
1685 }
1686
1687 hci_dev_unlock(hdev);
1688}
1689
1690static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1691{
1692 struct hci_cp_read_remote_ext_features *cp;
1693 struct hci_conn *conn;
1694
9f1db00c 1695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1696
1697 if (!status)
1698 return;
1699
1700 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1701 if (!cp)
1702 return;
1703
1704 hci_dev_lock(hdev);
1705
1706 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1707 if (conn) {
1708 if (conn->state == BT_CONFIG) {
769be974 1709 hci_proto_connect_cfm(conn, status);
76a68ba0 1710 hci_conn_drop(conn);
769be974
MH		 1711 }
1712 }
1713
1714 hci_dev_unlock(hdev);
1715}
1716
a9de9248
MH		 1717static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1718{
b6a0dc82
MH		 1719 struct hci_cp_setup_sync_conn *cp;
1720 struct hci_conn *acl, *sco;
1721 __u16 handle;
1722
9f1db00c 1723 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1724
1725 if (!status)
1726 return;
1727
1728 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1729 if (!cp)
1730 return;
1731
1732 handle = __le16_to_cpu(cp->handle);
1733
9f1db00c 1734 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1735
1736 hci_dev_lock(hdev);
1737
1738 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1739 if (acl) {
1740 sco = acl->link;
1741 if (sco) {
1742 sco->state = BT_CLOSED;
b6a0dc82 1743
5a08ecce
AE		 1744 hci_proto_connect_cfm(sco, status);
1745 hci_conn_del(sco);
1746 }
b6a0dc82
MH		 1747 }
1748
1749 hci_dev_unlock(hdev);
1da177e4
LT		 1750}
1751
a9de9248 1752static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1753{
a9de9248
MH		 1754 struct hci_cp_sniff_mode *cp;
1755 struct hci_conn *conn;
1da177e4 1756
9f1db00c 1757 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1758
a9de9248
MH		 1759 if (!status)
1760 return;
04837f64 1761
a9de9248
MH		 1762 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1763 if (!cp)
1764 return;
04837f64 1765
a9de9248 1766 hci_dev_lock(hdev);
04837f64 1767
a9de9248 1768 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1769 if (conn) {
51a8efd7 1770 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1771
51a8efd7 1772 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1773 hci_sco_setup(conn, status);
1774 }
1775
a9de9248
MH		 1776 hci_dev_unlock(hdev);
1777}
04837f64 1778
a9de9248
MH		 1779static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1780{
1781 struct hci_cp_exit_sniff_mode *cp;
1782 struct hci_conn *conn;
04837f64 1783
9f1db00c 1784 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1785
a9de9248
MH		 1786 if (!status)
1787 return;
04837f64 1788
a9de9248
MH		 1789 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1790 if (!cp)
1791 return;
04837f64 1792
a9de9248 1793 hci_dev_lock(hdev);
1da177e4 1794
a9de9248 1795 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1796 if (conn) {
51a8efd7 1797 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1798
51a8efd7 1799 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1800 hci_sco_setup(conn, status);
1801 }
1802
a9de9248 1803 hci_dev_unlock(hdev);
1da177e4
LT		 1804}
1805
88c3df13
JH		 1806static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1807{
1808 struct hci_cp_disconnect *cp;
1809 struct hci_conn *conn;
1810
1811 if (!status)
1812 return;
1813
1814 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1815 if (!cp)
1816 return;
1817
1818 hci_dev_lock(hdev);
1819
1820 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1821 if (conn)
1822 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1823 conn->dst_type, status);
88c3df13
JH		 1824
1825 hci_dev_unlock(hdev);
1826}
1827
a02226d6
AE		 1828static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1829{
93c284ee
AE		 1830 struct hci_cp_create_phy_link *cp;
1831
a02226d6 1832 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1833
93c284ee
AE		 1834 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1835 if (!cp)
1836 return;
1837
e58917b9
AE		 1838 hci_dev_lock(hdev);
1839
1840 if (status) {
1841 struct hci_conn *hcon;
1842
1843 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1844 if (hcon)
1845 hci_conn_del(hcon);
1846 } else {
1847 amp_write_remote_assoc(hdev, cp->phy_handle);
1848 }
1849
1850 hci_dev_unlock(hdev);
a02226d6
AE		 1851}
1852
0b26ab9d
AE		 1853static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1854{
1855 struct hci_cp_accept_phy_link *cp;
1856
1857 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1858
1859 if (status)
1860 return;
1861
1862 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1863 if (!cp)
1864 return;
1865
1866 amp_write_remote_assoc(hdev, cp->phy_handle);
1867}
1868
cb1d68f7
JH		 1869static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1870{
1871 struct hci_cp_le_create_conn *cp;
1872 struct hci_conn *conn;
1873
1874 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1875
1876 /* All connection failure handling is taken care of by the
1877 * hci_le_conn_failed function which is triggered by the HCI
1878 * request completion callbacks used for connecting.
1879 */
1880 if (status)
1881 return;
1882
1883 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1884 if (!cp)
1885 return;
1886
1887 hci_dev_lock(hdev);
1888
1889 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1890 if (!conn)
1891 goto unlock;
1892
1893 /* Store the initiator and responder address information which
1894 * is needed for SMP. These values will not change during the
1895 * lifetime of the connection.
1896 */
1897 conn->init_addr_type = cp->own_address_type;
1898 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1899 bacpy(&conn->init_addr, &hdev->random_addr);
1900 else
1901 bacpy(&conn->init_addr, &hdev->bdaddr);
1902
1903 conn->resp_addr_type = cp->peer_addr_type;
1904 bacpy(&conn->resp_addr, &cp->peer_addr);
1905
9489eca4
JH		 1906 /* We don't want the connection attempt to stick around
1907 * indefinitely since LE doesn't have a page timeout concept
1908 * like BR/EDR. Set a timer for any connection that doesn't use
1909 * the white list for connecting.
1910 */
1911 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1912 queue_delayed_work(conn->hdev->workqueue,
1913 &conn->le_conn_timeout,
09ae260b 1914 conn->conn_timeout);
9489eca4 1915
cb1d68f7
JH		 1916unlock:
1917 hci_dev_unlock(hdev);
1918}
1919
81d0c8ad
JH		 1920static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1921{
1922 struct hci_cp_le_start_enc *cp;
1923 struct hci_conn *conn;
1924
1925 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1926
1927 if (!status)
1928 return;
1929
1930 hci_dev_lock(hdev);
1931
1932 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1933 if (!cp)
1934 goto unlock;
1935
1936 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1937 if (!conn)
1938 goto unlock;
1939
1940 if (conn->state != BT_CONNECTED)
1941 goto unlock;
1942
1943 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1944 hci_conn_drop(conn);
1945
1946unlock:
1947 hci_dev_unlock(hdev);
1948}
1949
50fc85f1
KP		 1950static void hci_cs_switch_role(struct hci_dev *hdev, u8 status)
1951{
1952 struct hci_cp_switch_role *cp;
1953 struct hci_conn *conn;
1954
1955 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1956
1957 if (!status)
1958 return;
1959
1960 cp = hci_sent_cmd_data(hdev, HCI_OP_SWITCH_ROLE);
1961 if (!cp)
1962 return;
1963
1964 hci_dev_lock(hdev);
1965
1966 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1967 if (conn)
1968 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
1969
1970 hci_dev_unlock(hdev);
1971}
1972
6039aa73 1973static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1974{
1975 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1976 struct discovery_state *discov = &hdev->discovery;
1977 struct inquiry_entry *e;
1da177e4 1978
9f1db00c 1979 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1980
a9de9248 1981 hci_conn_check_pending(hdev);
89352e7d
AG		 1982
1983 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1984 return;
1985
4e857c58 1986 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1987 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1988
a8b2d5c2 1989 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1990 return;
1991
56e5cb86 1992 hci_dev_lock(hdev);
30dc78e1 1993
343f935b 1994 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1995 goto unlock;
1996
1997 if (list_empty(&discov->resolve)) {
1998 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1999 goto unlock;
2000 }
2001
2002 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
2003 if (e && hci_resolve_name(hdev, e) == 0) {
2004 e->name_state = NAME_PENDING;
2005 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
2006 } else {
2007 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2008 }
2009
2010unlock:
56e5cb86 2011 hci_dev_unlock(hdev);
1da177e4
LT		 2012}
2013
6039aa73 2014static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2015{
45bb4bf0 2016 struct inquiry_data data;
a9de9248 2017 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 2018 int num_rsp = *((__u8 *) skb->data);
2019
2020 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2021
45bb4bf0
MH		 2022 if (!num_rsp)
2023 return;
2024
1519cc17
AG		 2025 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2026 return;
2027
1da177e4 2028 hci_dev_lock(hdev);
45bb4bf0 2029
e17acd40 2030 for (; num_rsp; num_rsp--, info++) {
af58925c 2031 u32 flags;
3175405b 2032
1da177e4
LT		 2033 bacpy(&data.bdaddr, &info->bdaddr);
2034 data.pscan_rep_mode = info->pscan_rep_mode;
2035 data.pscan_period_mode = info->pscan_period_mode;
2036 data.pscan_mode = info->pscan_mode;
2037 memcpy(data.dev_class, info->dev_class, 3);
2038 data.clock_offset = info->clock_offset;
2039 data.rssi = 0x00;
41a96212 2040 data.ssp_mode = 0x00;
3175405b 2041
af58925c
MH		 2042 flags = hci_inquiry_cache_update(hdev, &data, false);
2043
48264f06 2044 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2045 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2046 }
45bb4bf0 2047
1da177e4
LT		 2048 hci_dev_unlock(hdev);
2049}
2050
6039aa73 2051static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2052{
a9de9248
MH		 2053 struct hci_ev_conn_complete *ev = (void *) skb->data;
2054 struct hci_conn *conn;
1da177e4
LT		 2055
2056 BT_DBG("%s", hdev->name);
2057
2058 hci_dev_lock(hdev);
2059
2060 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2061 if (!conn) {
2062 if (ev->link_type != SCO_LINK)
2063 goto unlock;
2064
2065 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2066 if (!conn)
2067 goto unlock;
2068
2069 conn->type = SCO_LINK;
2070 }
1da177e4
LT		 2071
2072 if (!ev->status) {
2073 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2074
2075 if (conn->type == ACL_LINK) {
2076 conn->state = BT_CONFIG;
2077 hci_conn_hold(conn);
a9ea3ed9
SJ		 2078
2079 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2080 !hci_find_link_key(hdev, &ev->bdaddr))
2081 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2082 else
2083 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2084 } else
2085 conn->state = BT_CONNECTED;
1da177e4 2086
7d0db0a3
MH		 2087 hci_conn_add_sysfs(conn);
2088
1da177e4 2089 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2090 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2091
2092 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2093 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2094
04837f64
MH		 2095 /* Get remote features */
2096 if (conn->type == ACL_LINK) {
2097 struct hci_cp_read_remote_features cp;
2098 cp.handle = ev->handle;
769be974 2099 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2100 sizeof(cp), &cp);
22f433dc
JH		 2101
2102 hci_update_page_scan(hdev, NULL);
04837f64
MH		 2103 }
2104
1da177e4 2105 /* Set packet type for incoming connection */
d095c1eb 2106 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2107 struct hci_cp_change_conn_ptype cp;
2108 cp.handle = ev->handle;
a8746417 2109 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2110 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2111 &cp);
1da177e4 2112 }
17d5c04c 2113 } else {
1da177e4 2114 conn->state = BT_CLOSED;
17d5c04c 2115 if (conn->type == ACL_LINK)
64c7b77c 2116 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2117 conn->dst_type, ev->status);
17d5c04c 2118 }
1da177e4 2119
e73439d8
MH		 2120 if (conn->type == ACL_LINK)
2121 hci_sco_setup(conn, ev->status);
1da177e4 2122
769be974
MH		 2123 if (ev->status) {
2124 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2125 hci_conn_del(conn);
c89b6e6b
MH		 2126 } else if (ev->link_type != ACL_LINK)
2127 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2128
a9de9248 2129unlock:
1da177e4 2130 hci_dev_unlock(hdev);
1da177e4 2131
a9de9248 2132 hci_conn_check_pending(hdev);
1da177e4
LT		 2133}
2134
70c46425
JH		 2135static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2136{
2137 struct hci_cp_reject_conn_req cp;
2138
2139 bacpy(&cp.bdaddr, bdaddr);
2140 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2141 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2142}
2143
6039aa73 2144static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2145{
a9de9248
MH		 2146 struct hci_ev_conn_request *ev = (void *) skb->data;
2147 int mask = hdev->link_mode;
70c46425
JH		 2148 struct inquiry_entry *ie;
2149 struct hci_conn *conn;
20714bfe 2150 __u8 flags = 0;
1da177e4 2151
6ed93dc6 2152 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2153 ev->link_type);
1da177e4 2154
20714bfe
FD		 2155 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2156 &flags);
1da177e4 2157
70c46425
JH		 2158 if (!(mask & HCI_LM_ACCEPT)) {
2159 hci_reject_conn(hdev, &ev->bdaddr);
2160 return;
2161 }
2162
46c4c941
JH		 2163 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2164 BDADDR_BREDR)) {
2165 hci_reject_conn(hdev, &ev->bdaddr);
2166 return;
2167 }
2168
2169 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2170 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2171 BDADDR_BREDR)) {
2172 hci_reject_conn(hdev, &ev->bdaddr);
2173 return;
70c46425 2174 }
1da177e4 2175
70c46425 2176 /* Connection accepted */
b6a0dc82 2177
70c46425
JH		 2178 hci_dev_lock(hdev);
2179
2180 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2181 if (ie)
2182 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2183
70c46425
JH		 2184 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2185 &ev->bdaddr);
2186 if (!conn) {
a5c4e309
JH		 2187 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2188 HCI_ROLE_SLAVE);
a9de9248 2189 if (!conn) {
70c46425
JH		 2190 BT_ERR("No memory for new connection");
2191 hci_dev_unlock(hdev);
2192 return;
1da177e4 2193 }
70c46425 2194 }
b6a0dc82 2195
70c46425 2196 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2197
70c46425 2198 hci_dev_unlock(hdev);
1da177e4 2199
70c46425
JH		 2200 if (ev->link_type == ACL_LINK ||
2201 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2202 struct hci_cp_accept_conn_req cp;
2203 conn->state = BT_CONNECT;
1da177e4 2204
70c46425 2205 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2206
70c46425
JH		 2207 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2208 cp.role = 0x00; /* Become master */
2209 else
2210 cp.role = 0x01; /* Remain slave */
b6a0dc82 2211
70c46425
JH		 2212 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2213 } else if (!(flags & HCI_PROTO_DEFER)) {
2214 struct hci_cp_accept_sync_conn_req cp;
2215 conn->state = BT_CONNECT;
b6a0dc82 2216
70c46425
JH		 2217 bacpy(&cp.bdaddr, &ev->bdaddr);
2218 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2219
70c46425
JH		 2220 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2221 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2222 cp.max_latency = cpu_to_le16(0xffff);
2223 cp.content_format = cpu_to_le16(hdev->voice_setting);
2224 cp.retrans_effort = 0xff;
1da177e4 2225
70c46425
JH		 2226 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2227 &cp);
a9de9248 2228 } else {
70c46425
JH		 2229 conn->state = BT_CONNECT2;
2230 hci_proto_connect_cfm(conn, 0);
1da177e4 2231 }
1da177e4
LT		 2232}
2233
f0d6a0ea
MA		 2234static u8 hci_to_mgmt_reason(u8 err)
2235{
2236 switch (err) {
2237 case HCI_ERROR_CONNECTION_TIMEOUT:
2238 return MGMT_DEV_DISCONN_TIMEOUT;
2239 case HCI_ERROR_REMOTE_USER_TERM:
2240 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2241 case HCI_ERROR_REMOTE_POWER_OFF:
2242 return MGMT_DEV_DISCONN_REMOTE;
2243 case HCI_ERROR_LOCAL_HOST_TERM:
2244 return MGMT_DEV_DISCONN_LOCAL_HOST;
2245 default:
2246 return MGMT_DEV_DISCONN_UNKNOWN;
2247 }
2248}
2249
6039aa73 2250static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2251{
a9de9248 2252 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2253 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2254 struct hci_conn_params *params;
04837f64 2255 struct hci_conn *conn;
12d4a3b2 2256 bool mgmt_connected;
3846220b 2257 u8 type;
04837f64 2258
9f1db00c 2259 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2260
2261 hci_dev_lock(hdev);
2262
2263 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2264 if (!conn)
2265 goto unlock;
7d0db0a3 2266
abf54a50
AG		 2267 if (ev->status) {
2268 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2269 conn->dst_type, ev->status);
2270 goto unlock;
37d9ef76 2271 }
f7520543 2272
3846220b
AG		 2273 conn->state = BT_CLOSED;
2274
12d4a3b2
JH		 2275 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2276 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2277 reason, mgmt_connected);
abf54a50 2278
22f433dc
JH		 2279 if (conn->type == ACL_LINK) {
2280 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2281 hci_remove_link_key(hdev, &conn->dst);
2282
2283 hci_update_page_scan(hdev, NULL);
2284 }
2210246c 2285
9fcb18ef
AG		 2286 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2287 if (params) {
2288 switch (params->auto_connect) {
2289 case HCI_AUTO_CONN_LINK_LOSS:
2290 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2291 break;
2292 /* Fall through */
2293
4b9e7e75 2294 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2295 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2296 list_del_init(&params->action);
2297 list_add(&params->action, &hdev->pend_le_conns);
2298 hci_update_background_scan(hdev);
9fcb18ef
AG		 2299 break;
2300
2301 default:
2302 break;
2303 }
2304 }
2305
3846220b 2306 type = conn->type;
2210246c 2307
3846220b
AG		 2308 hci_proto_disconn_cfm(conn, ev->reason);
2309 hci_conn_del(conn);
2310
2311 /* Re-enable advertising if necessary, since it might
2312 * have been disabled by the connection. From the
2313 * HCI_LE_Set_Advertise_Enable command description in
2314 * the core specification (v4.0):
2315 * "The Controller shall continue advertising until the Host
2316 * issues an LE_Set_Advertise_Enable command with
2317 * Advertising_Enable set to 0x00 (Advertising is disabled)
2318 * or until a connection is created or until the Advertising
2319 * is timed out due to Directed Advertising."
2320 */
2321 if (type == LE_LINK)
2322 mgmt_reenable_advertising(hdev);
f7520543
JH		 2323
2324unlock:
04837f64
MH		 2325 hci_dev_unlock(hdev);
2326}
2327
6039aa73 2328static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2329{
a9de9248 2330 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2331 struct hci_conn *conn;
1da177e4 2332
9f1db00c 2333 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2334
2335 hci_dev_lock(hdev);
2336
04837f64 2337 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2338 if (!conn)
2339 goto unlock;
2340
2341 if (!ev->status) {
aa64a8b5 2342 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2343 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2344 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2345 } else {
4dae2798 2346 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2347 conn->sec_level = conn->pending_sec_level;
2a611692 2348 }
d7556e20 2349 } else {
e1e930f5 2350 mgmt_auth_failed(conn, ev->status);
d7556e20 2351 }
1da177e4 2352
51a8efd7
JH		 2353 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2354 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2355
d7556e20 2356 if (conn->state == BT_CONFIG) {
aa64a8b5 2357 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2358 struct hci_cp_set_conn_encrypt cp;
2359 cp.handle = ev->handle;
2360 cp.encrypt = 0x01;
2361 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2362 &cp);
052b30b0 2363 } else {
d7556e20
WR		 2364 conn->state = BT_CONNECTED;
2365 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2366 hci_conn_drop(conn);
052b30b0 2367 }
d7556e20
WR		 2368 } else {
2369 hci_auth_cfm(conn, ev->status);
052b30b0 2370
d7556e20
WR		 2371 hci_conn_hold(conn);
2372 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2373 hci_conn_drop(conn);
d7556e20
WR		 2374 }
2375
51a8efd7 2376 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2377 if (!ev->status) {
2378 struct hci_cp_set_conn_encrypt cp;
2379 cp.handle = ev->handle;
2380 cp.encrypt = 0x01;
2381 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2382 &cp);
d7556e20 2383 } else {
51a8efd7 2384 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2385 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2386 }
2387 }
2388
d7556e20 2389unlock:
1da177e4
LT		 2390 hci_dev_unlock(hdev);
2391}
2392
6039aa73 2393static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2394{
127178d2
JH		 2395 struct hci_ev_remote_name *ev = (void *) skb->data;
2396 struct hci_conn *conn;
2397
a9de9248 2398 BT_DBG("%s", hdev->name);
1da177e4 2399
a9de9248 2400 hci_conn_check_pending(hdev);
127178d2
JH		 2401
2402 hci_dev_lock(hdev);
2403
b644ba33 2404 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2405
b644ba33
JH		 2406 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2407 goto check_auth;
a88a9652 2408
b644ba33
JH		 2409 if (ev->status == 0)
2410 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2411 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2412 else
2413 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2414
2415check_auth:
79c6c70c
JH		 2416 if (!conn)
2417 goto unlock;
2418
2419 if (!hci_outgoing_auth_needed(hdev, conn))
2420 goto unlock;
2421
51a8efd7 2422 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2423 struct hci_cp_auth_requested cp;
977f8fce
JH		 2424
2425 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2426
127178d2
JH		 2427 cp.handle = __cpu_to_le16(conn->handle);
2428 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2429 }
2430
79c6c70c 2431unlock:
127178d2 2432 hci_dev_unlock(hdev);
a9de9248
MH		 2433}
2434
6039aa73 2435static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2436{
2437 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2438 struct hci_conn *conn;
2439
9f1db00c 2440 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2441
2442 hci_dev_lock(hdev);
2443
04837f64 2444 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2445 if (!conn)
2446 goto unlock;
1da177e4 2447
dc8357cc
MH		 2448 if (!ev->status) {
2449 if (ev->encrypt) {
2450 /* Encryption implies authentication */
4dae2798
JH		 2451 set_bit(HCI_CONN_AUTH, &conn->flags);
2452 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2453 conn->sec_level = conn->pending_sec_level;
abf76bad 2454
914a6ffe
MH		 2455 /* P-256 authentication key implies FIPS */
2456 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2457 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2458
abf76bad
MH		 2459 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2460 conn->type == LE_LINK)
2461 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2462 } else {
4dae2798 2463 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2464 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2465 }
dc8357cc 2466 }
a7d7723a 2467
7ed3fa20
JH		 2468 /* We should disregard the current RPA and generate a new one
2469 * whenever the encryption procedure fails.
2470 */
2471 if (ev->status && conn->type == LE_LINK)
2472 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
2473
dc8357cc 2474 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2475
dc8357cc
MH		 2476 if (ev->status && conn->state == BT_CONNECTED) {
2477 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2478 hci_conn_drop(conn);
2479 goto unlock;
1da177e4
LT		 2480 }
2481
dc8357cc
MH		 2482 if (conn->state == BT_CONFIG) {
2483 if (!ev->status)
2484 conn->state = BT_CONNECTED;
2485
40b552aa
MH		 2486 /* In Secure Connections Only mode, do not allow any
2487 * connections that are not encrypted with AES-CCM
2488 * using a P-256 authenticated combination key.
2489 */
2490 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2491 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2492 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2493 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2494 hci_conn_drop(conn);
2495 goto unlock;
2496 }
2497
dc8357cc
MH		 2498 hci_proto_connect_cfm(conn, ev->status);
2499 hci_conn_drop(conn);
2500 } else
2501 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2502
a7d7723a 2503unlock:
1da177e4
LT		 2504 hci_dev_unlock(hdev);
2505}
2506
6039aa73
GP		 2507static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2508 struct sk_buff *skb)
1da177e4 2509{
a9de9248 2510 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2511 struct hci_conn *conn;
1da177e4 2512
9f1db00c 2513 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2514
2515 hci_dev_lock(hdev);
2516
04837f64 2517 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2518 if (conn) {
2519 if (!ev->status)
4dae2798 2520 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2521
51a8efd7 2522 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2523
2524 hci_key_change_cfm(conn, ev->status);
2525 }
2526
2527 hci_dev_unlock(hdev);
2528}
2529
6039aa73
GP		 2530static void hci_remote_features_evt(struct hci_dev *hdev,
2531 struct sk_buff *skb)
1da177e4 2532{
a9de9248
MH		 2533 struct hci_ev_remote_features *ev = (void *) skb->data;
2534 struct hci_conn *conn;
2535
9f1db00c 2536 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2537
a9de9248
MH		 2538 hci_dev_lock(hdev);
2539
2540 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2541 if (!conn)
2542 goto unlock;
769be974 2543
ccd556fe 2544 if (!ev->status)
cad718ed 2545 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2546
2547 if (conn->state != BT_CONFIG)
2548 goto unlock;
2549
2550 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2551 struct hci_cp_read_remote_ext_features cp;
2552 cp.handle = ev->handle;
2553 cp.page = 0x01;
2554 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2555 sizeof(cp), &cp);
392599b9
JH		 2556 goto unlock;
2557 }
2558
671267bf 2559 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2560 struct hci_cp_remote_name_req cp;
2561 memset(&cp, 0, sizeof(cp));
2562 bacpy(&cp.bdaddr, &conn->dst);
2563 cp.pscan_rep_mode = 0x02;
2564 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 2565 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 2566 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 2567
127178d2 2568 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2569 conn->state = BT_CONNECTED;
2570 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2571 hci_conn_drop(conn);
769be974 2572 }
a9de9248 2573
ccd556fe 2574unlock:
a9de9248 2575 hci_dev_unlock(hdev);
1da177e4
LT		 2576}
2577
6039aa73 2578static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2579{
2580 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2581 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2582 __u16 opcode;
2583
2584 skb_pull(skb, sizeof(*ev));
2585
2586 opcode = __le16_to_cpu(ev->opcode);
2587
2588 switch (opcode) {
2589 case HCI_OP_INQUIRY_CANCEL:
2590 hci_cc_inquiry_cancel(hdev, skb);
2591 break;
2592
4d93483b
AG		 2593 case HCI_OP_PERIODIC_INQ:
2594 hci_cc_periodic_inq(hdev, skb);
2595 break;
2596
a9de9248
MH		 2597 case HCI_OP_EXIT_PERIODIC_INQ:
2598 hci_cc_exit_periodic_inq(hdev, skb);
2599 break;
2600
2601 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2602 hci_cc_remote_name_req_cancel(hdev, skb);
2603 break;
2604
2605 case HCI_OP_ROLE_DISCOVERY:
2606 hci_cc_role_discovery(hdev, skb);
2607 break;
2608
e4e8e37c
MH		 2609 case HCI_OP_READ_LINK_POLICY:
2610 hci_cc_read_link_policy(hdev, skb);
2611 break;
2612
a9de9248
MH		 2613 case HCI_OP_WRITE_LINK_POLICY:
2614 hci_cc_write_link_policy(hdev, skb);
2615 break;
2616
e4e8e37c
MH		 2617 case HCI_OP_READ_DEF_LINK_POLICY:
2618 hci_cc_read_def_link_policy(hdev, skb);
2619 break;
2620
2621 case HCI_OP_WRITE_DEF_LINK_POLICY:
2622 hci_cc_write_def_link_policy(hdev, skb);
2623 break;
2624
a9de9248
MH		 2625 case HCI_OP_RESET:
2626 hci_cc_reset(hdev, skb);
2627 break;
2628
2629 case HCI_OP_WRITE_LOCAL_NAME:
2630 hci_cc_write_local_name(hdev, skb);
2631 break;
2632
2633 case HCI_OP_READ_LOCAL_NAME:
2634 hci_cc_read_local_name(hdev, skb);
2635 break;
2636
2637 case HCI_OP_WRITE_AUTH_ENABLE:
2638 hci_cc_write_auth_enable(hdev, skb);
2639 break;
2640
2641 case HCI_OP_WRITE_ENCRYPT_MODE:
2642 hci_cc_write_encrypt_mode(hdev, skb);
2643 break;
2644
2645 case HCI_OP_WRITE_SCAN_ENABLE:
2646 hci_cc_write_scan_enable(hdev, skb);
2647 break;
2648
2649 case HCI_OP_READ_CLASS_OF_DEV:
2650 hci_cc_read_class_of_dev(hdev, skb);
2651 break;
2652
2653 case HCI_OP_WRITE_CLASS_OF_DEV:
2654 hci_cc_write_class_of_dev(hdev, skb);
2655 break;
2656
2657 case HCI_OP_READ_VOICE_SETTING:
2658 hci_cc_read_voice_setting(hdev, skb);
2659 break;
2660
2661 case HCI_OP_WRITE_VOICE_SETTING:
2662 hci_cc_write_voice_setting(hdev, skb);
2663 break;
2664
b4cb9fb2
MH		 2665 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2666 hci_cc_read_num_supported_iac(hdev, skb);
2667 break;
2668
333140b5
MH		 2669 case HCI_OP_WRITE_SSP_MODE:
2670 hci_cc_write_ssp_mode(hdev, skb);
2671 break;
2672
eac83dc6
MH		 2673 case HCI_OP_WRITE_SC_SUPPORT:
2674 hci_cc_write_sc_support(hdev, skb);
2675 break;
2676
a9de9248
MH		 2677 case HCI_OP_READ_LOCAL_VERSION:
2678 hci_cc_read_local_version(hdev, skb);
2679 break;
2680
2681 case HCI_OP_READ_LOCAL_COMMANDS:
2682 hci_cc_read_local_commands(hdev, skb);
2683 break;
2684
2685 case HCI_OP_READ_LOCAL_FEATURES:
2686 hci_cc_read_local_features(hdev, skb);
2687 break;
2688
971e3a4b
AG		 2689 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2690 hci_cc_read_local_ext_features(hdev, skb);
2691 break;
2692
a9de9248
MH		 2693 case HCI_OP_READ_BUFFER_SIZE:
2694 hci_cc_read_buffer_size(hdev, skb);
2695 break;
2696
2697 case HCI_OP_READ_BD_ADDR:
2698 hci_cc_read_bd_addr(hdev, skb);
2699 break;
2700
f332ec66
JH		 2701 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2702 hci_cc_read_page_scan_activity(hdev, skb);
2703 break;
2704
4a3ee763
JH		 2705 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2706 hci_cc_write_page_scan_activity(hdev, skb);
2707 break;
2708
f332ec66
JH		 2709 case HCI_OP_READ_PAGE_SCAN_TYPE:
2710 hci_cc_read_page_scan_type(hdev, skb);
2711 break;
2712
4a3ee763
JH		 2713 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2714 hci_cc_write_page_scan_type(hdev, skb);
2715 break;
2716
350ee4cf
AE		 2717 case HCI_OP_READ_DATA_BLOCK_SIZE:
2718 hci_cc_read_data_block_size(hdev, skb);
2719 break;
2720
1e89cffb
AE		 2721 case HCI_OP_READ_FLOW_CONTROL_MODE:
2722 hci_cc_read_flow_control_mode(hdev, skb);
2723 break;
2724
928abaa7
AE		 2725 case HCI_OP_READ_LOCAL_AMP_INFO:
2726 hci_cc_read_local_amp_info(hdev, skb);
2727 break;
2728
33f35721
JH		 2729 case HCI_OP_READ_CLOCK:
2730 hci_cc_read_clock(hdev, skb);
2731 break;
2732
903e4541
AE		 2733 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2734 hci_cc_read_local_amp_assoc(hdev, skb);
2735 break;
2736
d5859e22
JH		 2737 case HCI_OP_READ_INQ_RSP_TX_POWER:
2738 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2739 break;
2740
980e1a53
JH		 2741 case HCI_OP_PIN_CODE_REPLY:
2742 hci_cc_pin_code_reply(hdev, skb);
2743 break;
2744
2745 case HCI_OP_PIN_CODE_NEG_REPLY:
2746 hci_cc_pin_code_neg_reply(hdev, skb);
2747 break;
2748
c35938b2 2749 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2750 hci_cc_read_local_oob_data(hdev, skb);
2751 break;
2752
2753 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2754 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2755 break;
2756
6ed58ec5
VT		 2757 case HCI_OP_LE_READ_BUFFER_SIZE:
2758 hci_cc_le_read_buffer_size(hdev, skb);
2759 break;
2760
60e77321
JH		 2761 case HCI_OP_LE_READ_LOCAL_FEATURES:
2762 hci_cc_le_read_local_features(hdev, skb);
2763 break;
2764
8fa19098
JH		 2765 case HCI_OP_LE_READ_ADV_TX_POWER:
2766 hci_cc_le_read_adv_tx_power(hdev, skb);
2767 break;
2768
a5c29683
JH		 2769 case HCI_OP_USER_CONFIRM_REPLY:
2770 hci_cc_user_confirm_reply(hdev, skb);
2771 break;
2772
2773 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2774 hci_cc_user_confirm_neg_reply(hdev, skb);
2775 break;
2776
1143d458
BG		 2777 case HCI_OP_USER_PASSKEY_REPLY:
2778 hci_cc_user_passkey_reply(hdev, skb);
2779 break;
2780
2781 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2782 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2783 break;
07f7fa5d 2784
7a4cd51d
MH		 2785 case HCI_OP_LE_SET_RANDOM_ADDR:
2786 hci_cc_le_set_random_addr(hdev, skb);
2787 break;
2788
c1d5dc4a
JH		 2789 case HCI_OP_LE_SET_ADV_ENABLE:
2790 hci_cc_le_set_adv_enable(hdev, skb);
2791 break;
2792
533553f8
MH		 2793 case HCI_OP_LE_SET_SCAN_PARAM:
2794 hci_cc_le_set_scan_param(hdev, skb);
2795 break;
2796
eb9d91f5
AG		 2797 case HCI_OP_LE_SET_SCAN_ENABLE:
2798 hci_cc_le_set_scan_enable(hdev, skb);
2799 break;
2800
cf1d081f
JH		 2801 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2802 hci_cc_le_read_white_list_size(hdev, skb);
2803 break;
2804
0f36b589
MH		 2805 case HCI_OP_LE_CLEAR_WHITE_LIST:
2806 hci_cc_le_clear_white_list(hdev, skb);
2807 break;
2808
2809 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2810 hci_cc_le_add_to_white_list(hdev, skb);
2811 break;
2812
2813 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2814 hci_cc_le_del_from_white_list(hdev, skb);
2815 break;
2816
9b008c04
JH		 2817 case HCI_OP_LE_READ_SUPPORTED_STATES:
2818 hci_cc_le_read_supported_states(hdev, skb);
2819 break;
2820
f9b49306
AG		 2821 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2822 hci_cc_write_le_host_supported(hdev, skb);
2823 break;
2824
56ed2cb8
JH		 2825 case HCI_OP_LE_SET_ADV_PARAM:
2826 hci_cc_set_adv_param(hdev, skb);
2827 break;
2828
93c284ee
AE		 2829 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2830 hci_cc_write_remote_amp_assoc(hdev, skb);
2831 break;
2832
5ae76a94
AK		 2833 case HCI_OP_READ_RSSI:
2834 hci_cc_read_rssi(hdev, skb);
2835 break;
2836
5a134fae
AK		 2837 case HCI_OP_READ_TX_POWER:
2838 hci_cc_read_tx_power(hdev, skb);
2839 break;
2840
a9de9248 2841 default:
9f1db00c 2842 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2843 break;
2844 }
2845
ad82cdd1 2846 if (opcode != HCI_OP_NOP)
65cc2b49 2847 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2848
ad82cdd1 2849 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2850
dbccd791 2851 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2852 atomic_set(&hdev->cmd_cnt, 1);
2853 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2854 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2855 }
2856}
2857
6039aa73 2858static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2859{
2860 struct hci_ev_cmd_status *ev = (void *) skb->data;
2861 __u16 opcode;
2862
2863 skb_pull(skb, sizeof(*ev));
2864
2865 opcode = __le16_to_cpu(ev->opcode);
2866
2867 switch (opcode) {
2868 case HCI_OP_INQUIRY:
2869 hci_cs_inquiry(hdev, ev->status);
2870 break;
2871
2872 case HCI_OP_CREATE_CONN:
2873 hci_cs_create_conn(hdev, ev->status);
2874 break;
2875
9645c76c
KP		 2876 case HCI_OP_DISCONNECT:
2877 hci_cs_disconnect(hdev, ev->status);
2878 break;
2879
a9de9248
MH		 2880 case HCI_OP_ADD_SCO:
2881 hci_cs_add_sco(hdev, ev->status);
2882 break;
2883
f8558555
MH		 2884 case HCI_OP_AUTH_REQUESTED:
2885 hci_cs_auth_requested(hdev, ev->status);
2886 break;
2887
2888 case HCI_OP_SET_CONN_ENCRYPT:
2889 hci_cs_set_conn_encrypt(hdev, ev->status);
2890 break;
2891
a9de9248
MH		 2892 case HCI_OP_REMOTE_NAME_REQ:
2893 hci_cs_remote_name_req(hdev, ev->status);
2894 break;
2895
769be974
MH		 2896 case HCI_OP_READ_REMOTE_FEATURES:
2897 hci_cs_read_remote_features(hdev, ev->status);
2898 break;
2899
2900 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2901 hci_cs_read_remote_ext_features(hdev, ev->status);
2902 break;
2903
a9de9248
MH		 2904 case HCI_OP_SETUP_SYNC_CONN:
2905 hci_cs_setup_sync_conn(hdev, ev->status);
2906 break;
2907
9645c76c
KP		 2908 case HCI_OP_CREATE_PHY_LINK:
2909 hci_cs_create_phylink(hdev, ev->status);
2910 break;
2911
2912 case HCI_OP_ACCEPT_PHY_LINK:
2913 hci_cs_accept_phylink(hdev, ev->status);
2914 break;
2915
a9de9248
MH		 2916 case HCI_OP_SNIFF_MODE:
2917 hci_cs_sniff_mode(hdev, ev->status);
2918 break;
2919
2920 case HCI_OP_EXIT_SNIFF_MODE:
2921 hci_cs_exit_sniff_mode(hdev, ev->status);
2922 break;
2923
50fc85f1
KP		 2924 case HCI_OP_SWITCH_ROLE:
2925 hci_cs_switch_role(hdev, ev->status);
2926 break;
2927
cb1d68f7
JH		 2928 case HCI_OP_LE_CREATE_CONN:
2929 hci_cs_le_create_conn(hdev, ev->status);
2930 break;
2931
81d0c8ad
JH		 2932 case HCI_OP_LE_START_ENC:
2933 hci_cs_le_start_enc(hdev, ev->status);
2934 break;
2935
a9de9248 2936 default:
9f1db00c 2937 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2938 break;
2939 }
2940
ad82cdd1 2941 if (opcode != HCI_OP_NOP)
65cc2b49 2942 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2943
02350a72
JH		 2944 if (ev->status ||
2945 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2946 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2947
10572132 2948 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2949 atomic_set(&hdev->cmd_cnt, 1);
2950 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2951 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2952 }
2953}
2954
24dfa343
MH		 2955static void hci_hardware_error_evt(struct hci_dev *hdev, struct sk_buff *skb)
2956{
2957 struct hci_ev_hardware_error *ev = (void *) skb->data;
2958
2959 BT_ERR("%s hardware error 0x%2.2x", hdev->name, ev->code);
2960}
2961
6039aa73 2962static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2963{
2964 struct hci_ev_role_change *ev = (void *) skb->data;
2965 struct hci_conn *conn;
2966
9f1db00c 2967 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2968
2969 hci_dev_lock(hdev);
2970
2971 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2972 if (conn) {
40bef302
JH		 2973 if (!ev->status)
2974 conn->role = ev->role;
a9de9248 2975
51a8efd7 2976 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2977
2978 hci_role_switch_cfm(conn, ev->status, ev->role);
2979 }
2980
2981 hci_dev_unlock(hdev);
2982}
2983
6039aa73 2984static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2985{
2986 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2987 int i;
2988
32ac5b9b
AE		 2989 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2990 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2991 return;
2992 }
2993
c5993de8 2994 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2995 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2996 BT_DBG("%s bad parameters", hdev->name);
2997 return;
2998 }
2999
c5993de8
AE		 3000 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
3001
613a1c0c
AE		 3002 for (i = 0; i < ev->num_hndl; i++) {
3003 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 3004 struct hci_conn *conn;
3005 __u16 handle, count;
3006
613a1c0c
AE		 3007 handle = __le16_to_cpu(info->handle);
3008 count = __le16_to_cpu(info->count);
a9de9248
MH		 3009
3010 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 3011 if (!conn)
3012 continue;
3013
3014 conn->sent -= count;
3015
3016 switch (conn->type) {
3017 case ACL_LINK:
3018 hdev->acl_cnt += count;
3019 if (hdev->acl_cnt > hdev->acl_pkts)
3020 hdev->acl_cnt = hdev->acl_pkts;
3021 break;
3022
3023 case LE_LINK:
3024 if (hdev->le_pkts) {
3025 hdev->le_cnt += count;
3026 if (hdev->le_cnt > hdev->le_pkts)
3027 hdev->le_cnt = hdev->le_pkts;
3028 } else {
70f23020
AE		 3029 hdev->acl_cnt += count;
3030 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 3031 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 3032 }
f4280918
AE		 3033 break;
3034
3035 case SCO_LINK:
3036 hdev->sco_cnt += count;
3037 if (hdev->sco_cnt > hdev->sco_pkts)
3038 hdev->sco_cnt = hdev->sco_pkts;
3039 break;
3040
3041 default:
3042 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3043 break;
a9de9248
MH		 3044 }
3045 }
3046
3eff45ea 3047 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3048}
3049
76ef7cf7
AE		 3050static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3051 __u16 handle)
3052{
3053 struct hci_chan *chan;
3054
3055 switch (hdev->dev_type) {
3056 case HCI_BREDR:
3057 return hci_conn_hash_lookup_handle(hdev, handle);
3058 case HCI_AMP:
3059 chan = hci_chan_lookup_handle(hdev, handle);
3060 if (chan)
3061 return chan->conn;
3062 break;
3063 default:
3064 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3065 break;
3066 }
3067
3068 return NULL;
3069}
3070
6039aa73 3071static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3072{
3073 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3074 int i;
3075
3076 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3077 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3078 return;
3079 }
3080
3081 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3082 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3083 BT_DBG("%s bad parameters", hdev->name);
3084 return;
3085 }
3086
3087 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3088 ev->num_hndl);
25e89e99
AE		 3089
3090 for (i = 0; i < ev->num_hndl; i++) {
3091 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3092 struct hci_conn *conn = NULL;
25e89e99
AE		 3093 __u16 handle, block_count;
3094
3095 handle = __le16_to_cpu(info->handle);
3096 block_count = __le16_to_cpu(info->blocks);
3097
76ef7cf7 3098 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3099 if (!conn)
3100 continue;
3101
3102 conn->sent -= block_count;
3103
3104 switch (conn->type) {
3105 case ACL_LINK:
bd1eb66b 3106 case AMP_LINK:
25e89e99
AE		 3107 hdev->block_cnt += block_count;
3108 if (hdev->block_cnt > hdev->num_blocks)
3109 hdev->block_cnt = hdev->num_blocks;
3110 break;
3111
3112 default:
3113 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3114 break;
3115 }
3116 }
3117
3118 queue_work(hdev->workqueue, &hdev->tx_work);
3119}
3120
6039aa73 3121static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3122{
a9de9248 3123 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3124 struct hci_conn *conn;
3125
9f1db00c 3126 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3127
3128 hci_dev_lock(hdev);
3129
3130 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3131 if (conn) {
3132 conn->mode = ev->mode;
a9de9248 3133
8fc9ced3
GP		 3134 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3135 &conn->flags)) {
a9de9248 3136 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3137 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3138 else
58a681ef 3139 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3140 }
e73439d8 3141
51a8efd7 3142 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3143 hci_sco_setup(conn, ev->status);
04837f64
MH		 3144 }
3145
3146 hci_dev_unlock(hdev);
3147}
3148
6039aa73 3149static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3150{
052b30b0
MH		 3151 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3152 struct hci_conn *conn;
3153
a9de9248 3154 BT_DBG("%s", hdev->name);
052b30b0
MH		 3155
3156 hci_dev_lock(hdev);
3157
3158 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3159 if (!conn)
3160 goto unlock;
3161
3162 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3163 hci_conn_hold(conn);
3164 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3165 hci_conn_drop(conn);
052b30b0
MH		 3166 }
3167
b6ae8457 3168 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3169 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3170 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3171 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3172 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3173 u8 secure;
3174
3175 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3176 secure = 1;
3177 else
3178 secure = 0;
3179
744cf19e 3180 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3181 }
980e1a53 3182
b6f98044 3183unlock:
052b30b0 3184 hci_dev_unlock(hdev);
a9de9248
MH		 3185}
3186
6039aa73 3187static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3188{
55ed8ca1
JH		 3189 struct hci_ev_link_key_req *ev = (void *) skb->data;
3190 struct hci_cp_link_key_reply cp;
3191 struct hci_conn *conn;
3192 struct link_key *key;
3193
a9de9248 3194 BT_DBG("%s", hdev->name);
55ed8ca1 3195
034cbea0 3196 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3197 return;
3198
3199 hci_dev_lock(hdev);
3200
3201 key = hci_find_link_key(hdev, &ev->bdaddr);
3202 if (!key) {
6ed93dc6
AE		 3203 BT_DBG("%s link key not found for %pMR", hdev->name,
3204 &ev->bdaddr);
55ed8ca1
JH		 3205 goto not_found;
3206 }
3207
6ed93dc6
AE		 3208 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3209 &ev->bdaddr);
55ed8ca1 3210
55ed8ca1 3211 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3212 if (conn) {
66138ce8
MH		 3213 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3214 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3215 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3216 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3217 goto not_found;
3218 }
55ed8ca1 3219
60b83f57 3220 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3221 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3222 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3223 BT_DBG("%s ignoring key unauthenticated for high security",
3224 hdev->name);
60b83f57
WR		 3225 goto not_found;
3226 }
3227
3228 conn->key_type = key->type;
3229 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3230 }
3231
3232 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3233 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3234
3235 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3236
3237 hci_dev_unlock(hdev);
3238
3239 return;
3240
3241not_found:
3242 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3243 hci_dev_unlock(hdev);
a9de9248
MH		 3244}
3245
6039aa73 3246static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3247{
052b30b0
MH		 3248 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3249 struct hci_conn *conn;
7652ff6a
JH		 3250 struct link_key *key;
3251 bool persistent;
55ed8ca1 3252 u8 pin_len = 0;
052b30b0 3253
a9de9248 3254 BT_DBG("%s", hdev->name);
052b30b0
MH		 3255
3256 hci_dev_lock(hdev);
3257
3258 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3259 if (conn) {
3260 hci_conn_hold(conn);
3261 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3262 pin_len = conn->pin_length;
13d39315
WR		 3263
3264 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3265 conn->key_type = ev->key_type;
3266
76a68ba0 3267 hci_conn_drop(conn);
052b30b0
MH		 3268 }
3269
7652ff6a
JH		 3270 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3271 goto unlock;
3272
3273 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3274 ev->key_type, pin_len, &persistent);
3275 if (!key)
3276 goto unlock;
3277
3278 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3279
6d5650c4
JH		 3280 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3281 * is set. If it's not set simply remove the key from the kernel
3282 * list (we've still notified user space about it but with
3283 * store_hint being 0).
3284 */
3285 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3286 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3287 list_del(&key->list);
3288 kfree(key);
3289 } else if (conn) {
af6a9c32
JH		 3290 if (persistent)
3291 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3292 else
3293 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3294 }
7652ff6a
JH		 3295
3296unlock:
052b30b0 3297 hci_dev_unlock(hdev);
a9de9248
MH		 3298}
3299
6039aa73 3300static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3301{
a9de9248 3302 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3303 struct hci_conn *conn;
1da177e4 3304
9f1db00c 3305 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3306
3307 hci_dev_lock(hdev);
3308
04837f64 3309 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3310 if (conn && !ev->status) {
3311 struct inquiry_entry *ie;
3312
cc11b9c1
AE		 3313 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3314 if (ie) {
1da177e4
LT		 3315 ie->data.clock_offset = ev->clock_offset;
3316 ie->timestamp = jiffies;
3317 }
3318 }
3319
3320 hci_dev_unlock(hdev);
3321}
3322
6039aa73 3323static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3324{
3325 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3326 struct hci_conn *conn;
3327
9f1db00c 3328 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3329
3330 hci_dev_lock(hdev);
3331
3332 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3333 if (conn && !ev->status)
3334 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3335
3336 hci_dev_unlock(hdev);
3337}
3338
6039aa73 3339static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3340{
a9de9248 3341 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3342 struct inquiry_entry *ie;
3343
3344 BT_DBG("%s", hdev->name);
3345
3346 hci_dev_lock(hdev);
3347
cc11b9c1
AE		 3348 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3349 if (ie) {
85a1e930
MH		 3350 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3351 ie->timestamp = jiffies;
3352 }
3353
3354 hci_dev_unlock(hdev);
3355}
3356
6039aa73
GP		 3357static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3358 struct sk_buff *skb)
a9de9248
MH		 3359{
3360 struct inquiry_data data;
3361 int num_rsp = *((__u8 *) skb->data);
3362
3363 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3364
3365 if (!num_rsp)
3366 return;
3367
1519cc17
AG		 3368 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3369 return;
3370
a9de9248
MH		 3371 hci_dev_lock(hdev);
3372
3373 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3374 struct inquiry_info_with_rssi_and_pscan_mode *info;
3375 info = (void *) (skb->data + 1);
a9de9248 3376
e17acd40 3377 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3378 u32 flags;
3379
a9de9248
MH		 3380 bacpy(&data.bdaddr, &info->bdaddr);
3381 data.pscan_rep_mode = info->pscan_rep_mode;
3382 data.pscan_period_mode = info->pscan_period_mode;
3383 data.pscan_mode = info->pscan_mode;
3384 memcpy(data.dev_class, info->dev_class, 3);
3385 data.clock_offset = info->clock_offset;
3386 data.rssi = info->rssi;
41a96212 3387 data.ssp_mode = 0x00;
3175405b 3388
af58925c
MH		 3389 flags = hci_inquiry_cache_update(hdev, &data, false);
3390
48264f06 3391 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3392 info->dev_class, info->rssi,
af58925c 3393 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3394 }
3395 } else {
3396 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3397
e17acd40 3398 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3399 u32 flags;
3400
a9de9248
MH		 3401 bacpy(&data.bdaddr, &info->bdaddr);
3402 data.pscan_rep_mode = info->pscan_rep_mode;
3403 data.pscan_period_mode = info->pscan_period_mode;
3404 data.pscan_mode = 0x00;
3405 memcpy(data.dev_class, info->dev_class, 3);
3406 data.clock_offset = info->clock_offset;
3407 data.rssi = info->rssi;
41a96212 3408 data.ssp_mode = 0x00;
af58925c
MH		 3409
3410 flags = hci_inquiry_cache_update(hdev, &data, false);
3411
48264f06 3412 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3413 info->dev_class, info->rssi,
af58925c 3414 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3415 }
3416 }
3417
3418 hci_dev_unlock(hdev);
3419}
3420
6039aa73
GP		 3421static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3422 struct sk_buff *skb)
a9de9248 3423{
41a96212
MH		 3424 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3425 struct hci_conn *conn;
3426
a9de9248 3427 BT_DBG("%s", hdev->name);
41a96212 3428
41a96212
MH		 3429 hci_dev_lock(hdev);
3430
3431 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3432 if (!conn)
3433 goto unlock;
41a96212 3434
cad718ed
JH		 3435 if (ev->page < HCI_MAX_PAGES)
3436 memcpy(conn->features[ev->page], ev->features, 8);
3437
ccd556fe
JH		 3438 if (!ev->status && ev->page == 0x01) {
3439 struct inquiry_entry *ie;
41a96212 3440
cc11b9c1
AE		 3441 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3442 if (ie)
02b7cc62 3443 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3444
bbb0eada 3445 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3446 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3447 } else {
3448 /* It is mandatory by the Bluetooth specification that
3449 * Extended Inquiry Results are only used when Secure
3450 * Simple Pairing is enabled, but some devices violate
3451 * this.
3452 *
3453 * To make these devices work, the internal SSP
3454 * enabled flag needs to be cleared if the remote host
3455 * features do not indicate SSP support */
3456 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3457 }
eb9a8f3f
MH		 3458
3459 if (ev->features[0] & LMP_HOST_SC)
3460 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3461 }
3462
3463 if (conn->state != BT_CONFIG)
3464 goto unlock;
3465
671267bf 3466 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3467 struct hci_cp_remote_name_req cp;
3468 memset(&cp, 0, sizeof(cp));
3469 bacpy(&cp.bdaddr, &conn->dst);
3470 cp.pscan_rep_mode = 0x02;
3471 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33 3472 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 3473 mgmt_device_connected(hdev, conn, 0, NULL, 0);
392599b9 3474
127178d2 3475 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3476 conn->state = BT_CONNECTED;
3477 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3478 hci_conn_drop(conn);
41a96212
MH		 3479 }
3480
ccd556fe 3481unlock:
41a96212 3482 hci_dev_unlock(hdev);
a9de9248
MH		 3483}
3484
6039aa73
GP		 3485static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3486 struct sk_buff *skb)
a9de9248 3487{
b6a0dc82
MH		 3488 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3489 struct hci_conn *conn;
3490
9f1db00c 3491 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3492
3493 hci_dev_lock(hdev);
3494
3495 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3496 if (!conn) {
3497 if (ev->link_type == ESCO_LINK)
3498 goto unlock;
3499
3500 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3501 if (!conn)
3502 goto unlock;
3503
3504 conn->type = SCO_LINK;
3505 }
b6a0dc82 3506
732547f9
MH		 3507 switch (ev->status) {
3508 case 0x00:
b6a0dc82
MH		 3509 conn->handle = __le16_to_cpu(ev->handle);
3510 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3511
3512 hci_conn_add_sysfs(conn);
732547f9
MH		 3513 break;
3514
81218d20 3515 case 0x10: /* Connection Accept Timeout */
1a4c958c 3516 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3517 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3518 case 0x1c: /* SCO interval rejected */
1038a00b 3519 case 0x1a: /* Unsupported Remote Feature */
732547f9 3520 case 0x1f: /* Unspecified error */
27539bc4 3521 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3522 if (conn->out) {
732547f9
MH		 3523 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3524 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3525 if (hci_setup_sync(conn, conn->link->handle))
3526 goto unlock;
732547f9
MH		 3527 }
3528 /* fall through */
3529
3530 default:
b6a0dc82 3531 conn->state = BT_CLOSED;
732547f9
MH		 3532 break;
3533 }
b6a0dc82
MH		 3534
3535 hci_proto_connect_cfm(conn, ev->status);
3536 if (ev->status)
3537 hci_conn_del(conn);
3538
3539unlock:
3540 hci_dev_unlock(hdev);
a9de9248
MH		 3541}
3542
efdcf8e3
MH		 3543static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3544{
3545 size_t parsed = 0;
3546
3547 while (parsed < eir_len) {
3548 u8 field_len = eir[0];
3549
3550 if (field_len == 0)
3551 return parsed;
3552
3553 parsed += field_len + 1;
3554 eir += field_len + 1;
3555 }
3556
3557 return eir_len;
3558}
3559
6039aa73
GP		 3560static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3561 struct sk_buff *skb)
1da177e4 3562{
a9de9248
MH		 3563 struct inquiry_data data;
3564 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3565 int num_rsp = *((__u8 *) skb->data);
9d939d94 3566 size_t eir_len;
1da177e4 3567
a9de9248 3568 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3569
a9de9248
MH		 3570 if (!num_rsp)
3571 return;
1da177e4 3572
1519cc17
AG		 3573 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3574 return;
3575
a9de9248
MH		 3576 hci_dev_lock(hdev);
3577
e17acd40 3578 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3579 u32 flags;
3580 bool name_known;
561aafbc 3581
a9de9248 3582 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3583 data.pscan_rep_mode = info->pscan_rep_mode;
3584 data.pscan_period_mode = info->pscan_period_mode;
3585 data.pscan_mode = 0x00;
a9de9248 3586 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3587 data.clock_offset = info->clock_offset;
3588 data.rssi = info->rssi;
41a96212 3589 data.ssp_mode = 0x01;
561aafbc 3590
a8b2d5c2 3591 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3592 name_known = eir_has_data_type(info->data,
04124681
GP		 3593 sizeof(info->data),
3594 EIR_NAME_COMPLETE);
561aafbc
JH		 3595 else
3596 name_known = true;
3597
af58925c
MH		 3598 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3599
9d939d94 3600 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3601
48264f06 3602 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3603 info->dev_class, info->rssi,
3604 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3605 }
3606
3607 hci_dev_unlock(hdev);
3608}
1da177e4 3609
1c2e0041
JH		 3610static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3611 struct sk_buff *skb)
3612{
3613 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3614 struct hci_conn *conn;
3615
9f1db00c 3616 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3617 __le16_to_cpu(ev->handle));
3618
3619 hci_dev_lock(hdev);
3620
3621 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3622 if (!conn)
3623 goto unlock;
3624
9eb1fbfa
JH		 3625 /* For BR/EDR the necessary steps are taken through the
3626 * auth_complete event.
3627 */
3628 if (conn->type != LE_LINK)
3629 goto unlock;
3630
1c2e0041
JH		 3631 if (!ev->status)
3632 conn->sec_level = conn->pending_sec_level;
3633
3634 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3635
3636 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3637 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3638 hci_conn_drop(conn);
1c2e0041
JH		 3639 goto unlock;
3640 }
3641
3642 if (conn->state == BT_CONFIG) {
3643 if (!ev->status)
3644 conn->state = BT_CONNECTED;
3645
3646 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3647 hci_conn_drop(conn);
1c2e0041
JH		 3648 } else {
3649 hci_auth_cfm(conn, ev->status);
3650
3651 hci_conn_hold(conn);
3652 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3653 hci_conn_drop(conn);
1c2e0041
JH		 3654 }
3655
3656unlock:
3657 hci_dev_unlock(hdev);
3658}
3659
6039aa73 3660static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3661{
17fa4b9d 3662 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3663 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3664 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3665 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3666
b7f94c88
MA		 3667 /* If both remote and local have enough IO capabilities, require
3668 * MITM protection
3669 */
3670 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3671 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3672 return conn->remote_auth | 0x01;
3673
7e74170a
TM		 3674 /* No MITM protection possible so ignore remote requirement */
3675 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3676}
3677
6039aa73 3678static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3679{
3680 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3681 struct hci_conn *conn;
3682
3683 BT_DBG("%s", hdev->name);
3684
3685 hci_dev_lock(hdev);
3686
3687 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3688 if (!conn)
3689 goto unlock;
3690
3691 hci_conn_hold(conn);
3692
a8b2d5c2 3693 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3694 goto unlock;
3695
2f407f0a
JH		 3696 /* Allow pairing if we're pairable, the initiators of the
3697 * pairing or if the remote is not requesting bonding.
3698 */
b6ae8457 3699 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3700 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3701 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3702 struct hci_cp_io_capability_reply cp;
3703
3704 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3705 /* Change the IO capability from KeyboardDisplay
3706 * to DisplayYesNo as it is not supported by BT spec. */
3707 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3708 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3709
3710 /* If we are initiators, there is no remote information yet */
3711 if (conn->remote_auth == 0xff) {
b16c6604 3712 /* Request MITM protection if our IO caps allow it
4ad51a75 3713 * except for the no-bonding case.
b16c6604 3714 */
6fd6b915 3715 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3716 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3717 conn->auth_type |= 0x01;
b7f94c88
MA		 3718 } else {
3719 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3720 }
17fa4b9d 3721
82c295b1
JH		 3722 /* If we're not bondable, force one of the non-bondable
3723 * authentication requirement values.
3724 */
3725 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3726 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3727
3728 cp.authentication = conn->auth_type;
3729
8fc9ced3
GP		 3730 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3731 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3732 cp.oob_data = 0x01;
3733 else
3734 cp.oob_data = 0x00;
3735
17fa4b9d 3736 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3737 sizeof(cp), &cp);
03b555e1
JH		 3738 } else {
3739 struct hci_cp_io_capability_neg_reply cp;
3740
3741 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3742 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3743
03b555e1 3744 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3745 sizeof(cp), &cp);
03b555e1
JH		 3746 }
3747
3748unlock:
3749 hci_dev_unlock(hdev);
3750}
3751
6039aa73 3752static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3753{
3754 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3755 struct hci_conn *conn;
3756
3757 BT_DBG("%s", hdev->name);
3758
3759 hci_dev_lock(hdev);
3760
3761 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3762 if (!conn)
3763 goto unlock;
3764
03b555e1 3765 conn->remote_cap = ev->capability;
03b555e1 3766 conn->remote_auth = ev->authentication;
58a681ef
JH		 3767 if (ev->oob_data)
3768 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3769
3770unlock:
0493684e
MH		 3771 hci_dev_unlock(hdev);
3772}
3773
6039aa73
GP		 3774static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3775 struct sk_buff *skb)
a5c29683
JH		 3776{
3777 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3778 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3779 struct hci_conn *conn;
a5c29683
JH		 3780
3781 BT_DBG("%s", hdev->name);
3782
3783 hci_dev_lock(hdev);
3784
a8b2d5c2 3785 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3786 goto unlock;
a5c29683 3787
7a828908
JH		 3788 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3789 if (!conn)
3790 goto unlock;
3791
3792 loc_mitm = (conn->auth_type & 0x01);
3793 rem_mitm = (conn->remote_auth & 0x01);
3794
3795 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3796 * (it has NoInputNoOutput) then reject the confirmation
3797 * request. We check the security level here since it doesn't
3798 * necessarily match conn->auth_type.
6fd6b915 3799 */
6c53823a
JH		 3800 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3801 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3802 BT_DBG("Rejecting request: remote device can't provide MITM");
3803 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3804 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3805 goto unlock;
3806 }
3807
3808 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3809 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3810 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3811
3812 /* If we're not the initiators request authorization to
3813 * proceed from user space (mgmt_user_confirm with
ba15a58b 3814 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3815 * side had MITM or if the local IO capability is
3816 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3817 */
3818 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3819 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3820 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3821 BT_DBG("Confirming auto-accept as acceptor");
3822 confirm_hint = 1;
3823 goto confirm;
3824 }
3825
9f61656a 3826 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3827 hdev->auto_accept_delay);
9f61656a
JH		 3828
3829 if (hdev->auto_accept_delay > 0) {
3830 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3831 queue_delayed_work(conn->hdev->workqueue,
3832 &conn->auto_accept_work, delay);
9f61656a
JH		 3833 goto unlock;
3834 }
3835
7a828908 3836 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3837 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3838 goto unlock;
3839 }
3840
55bc1a37 3841confirm:
39adbffe
JH		 3842 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3843 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3844
3845unlock:
a5c29683
JH		 3846 hci_dev_unlock(hdev);
3847}
3848
6039aa73
GP		 3849static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3850 struct sk_buff *skb)
1143d458
BG		 3851{
3852 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3853
3854 BT_DBG("%s", hdev->name);
3855
a8b2d5c2 3856 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3857 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3858}
3859
92a25256
JH		 3860static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3861 struct sk_buff *skb)
3862{
3863 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3864 struct hci_conn *conn;
3865
3866 BT_DBG("%s", hdev->name);
3867
3868 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3869 if (!conn)
3870 return;
3871
3872 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3873 conn->passkey_entered = 0;
3874
3875 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3876 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3877 conn->dst_type, conn->passkey_notify,
3878 conn->passkey_entered);
3879}
3880
3881static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3882{
3883 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3884 struct hci_conn *conn;
3885
3886 BT_DBG("%s", hdev->name);
3887
3888 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3889 if (!conn)
3890 return;
3891
3892 switch (ev->type) {
3893 case HCI_KEYPRESS_STARTED:
3894 conn->passkey_entered = 0;
3895 return;
3896
3897 case HCI_KEYPRESS_ENTERED:
3898 conn->passkey_entered++;
3899 break;
3900
3901 case HCI_KEYPRESS_ERASED:
3902 conn->passkey_entered--;
3903 break;
3904
3905 case HCI_KEYPRESS_CLEARED:
3906 conn->passkey_entered = 0;
3907 break;
3908
3909 case HCI_KEYPRESS_COMPLETED:
3910 return;
3911 }
3912
3913 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3914 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3915 conn->dst_type, conn->passkey_notify,
3916 conn->passkey_entered);
3917}
3918
6039aa73
GP		 3919static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3920 struct sk_buff *skb)
0493684e
MH		 3921{
3922 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3923 struct hci_conn *conn;
3924
3925 BT_DBG("%s", hdev->name);
3926
3927 hci_dev_lock(hdev);
3928
3929 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3930 if (!conn)
3931 goto unlock;
3932
c1d4fa7a
JH		 3933 /* Reset the authentication requirement to unknown */
3934 conn->remote_auth = 0xff;
3935
2a611692
JH		 3936 /* To avoid duplicate auth_failed events to user space we check
3937 * the HCI_CONN_AUTH_PEND flag which will be set if we
3938 * initiated the authentication. A traditional auth_complete
3939 * event gets always produced as initiator and is also mapped to
3940 * the mgmt_auth_failed event */
fa1bd918 3941 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 3942 mgmt_auth_failed(conn, ev->status);
0493684e 3943
76a68ba0 3944 hci_conn_drop(conn);
2a611692
JH		 3945
3946unlock:
0493684e
MH		 3947 hci_dev_unlock(hdev);
3948}
3949
6039aa73
GP		 3950static void hci_remote_host_features_evt(struct hci_dev *hdev,
3951 struct sk_buff *skb)
41a96212
MH		 3952{
3953 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3954 struct inquiry_entry *ie;
cad718ed 3955 struct hci_conn *conn;
41a96212
MH		 3956
3957 BT_DBG("%s", hdev->name);
3958
3959 hci_dev_lock(hdev);
3960
cad718ed
JH		 3961 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3962 if (conn)
3963 memcpy(conn->features[1], ev->features, 8);
3964
cc11b9c1
AE		 3965 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3966 if (ie)
02b7cc62 3967 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3968
3969 hci_dev_unlock(hdev);
3970}
3971
6039aa73
GP		 3972static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3973 struct sk_buff *skb)
2763eda6
SJ		 3974{
3975 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3976 struct oob_data *data;
3977
3978 BT_DBG("%s", hdev->name);
3979
3980 hci_dev_lock(hdev);
3981
a8b2d5c2 3982 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3983 goto unlock;
3984
2763eda6
SJ		 3985 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3986 if (data) {
519ca9d0
MH		 3987 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3988 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3989
519ca9d0
MH		 3990 bacpy(&cp.bdaddr, &ev->bdaddr);
3991 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3992 memcpy(cp.randomizer192, data->randomizer192,
3993 sizeof(cp.randomizer192));
3994 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3995 memcpy(cp.randomizer256, data->randomizer256,
3996 sizeof(cp.randomizer256));
3997
3998 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3999 sizeof(cp), &cp);
4000 } else {
4001 struct hci_cp_remote_oob_data_reply cp;
2763eda6 4002
519ca9d0
MH		 4003 bacpy(&cp.bdaddr, &ev->bdaddr);
4004 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
4005 memcpy(cp.randomizer, data->randomizer192,
4006 sizeof(cp.randomizer));
4007
4008 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
4009 sizeof(cp), &cp);
4010 }
2763eda6
SJ		 4011 } else {
4012 struct hci_cp_remote_oob_data_neg_reply cp;
4013
4014 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 4015 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
4016 sizeof(cp), &cp);
2763eda6
SJ		 4017 }
4018
e1ba1f15 4019unlock:
2763eda6
SJ		 4020 hci_dev_unlock(hdev);
4021}
4022
d5e91192
AE		 4023static void hci_phy_link_complete_evt(struct hci_dev *hdev,
4024 struct sk_buff *skb)
4025{
4026 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
4027 struct hci_conn *hcon, *bredr_hcon;
4028
4029 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
4030 ev->status);
4031
4032 hci_dev_lock(hdev);
4033
4034 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4035 if (!hcon) {
4036 hci_dev_unlock(hdev);
4037 return;
4038 }
4039
4040 if (ev->status) {
4041 hci_conn_del(hcon);
4042 hci_dev_unlock(hdev);
4043 return;
4044 }
4045
4046 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4047
4048 hcon->state = BT_CONNECTED;
4049 bacpy(&hcon->dst, &bredr_hcon->dst);
4050
4051 hci_conn_hold(hcon);
4052 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4053 hci_conn_drop(hcon);
d5e91192 4054
d5e91192
AE		 4055 hci_conn_add_sysfs(hcon);
4056
cf70ff22 4057 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4058
cf70ff22 4059 hci_dev_unlock(hdev);
d5e91192
AE		 4060}
4061
27695fb4
AE		 4062static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4063{
4064 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4065 struct hci_conn *hcon;
4066 struct hci_chan *hchan;
4067 struct amp_mgr *mgr;
4068
4069 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4070 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4071 ev->status);
4072
4073 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4074 if (!hcon)
4075 return;
4076
4077 /* Create AMP hchan */
4078 hchan = hci_chan_create(hcon);
4079 if (!hchan)
4080 return;
4081
4082 hchan->handle = le16_to_cpu(ev->handle);
4083
4084 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4085
4086 mgr = hcon->amp_mgr;
4087 if (mgr && mgr->bredr_chan) {
4088 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4089
4090 l2cap_chan_lock(bredr_chan);
4091
4092 bredr_chan->conn->mtu = hdev->block_mtu;
4093 l2cap_logical_cfm(bredr_chan, hchan, 0);
4094 hci_conn_hold(hcon);
4095
4096 l2cap_chan_unlock(bredr_chan);
4097 }
4098}
4099
606e2a10
AE		 4100static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4101 struct sk_buff *skb)
4102{
4103 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4104 struct hci_chan *hchan;
4105
4106 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4107 le16_to_cpu(ev->handle), ev->status);
4108
4109 if (ev->status)
4110 return;
4111
4112 hci_dev_lock(hdev);
4113
4114 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4115 if (!hchan)
4116 goto unlock;
4117
4118 amp_destroy_logical_link(hchan, ev->reason);
4119
4120unlock:
4121 hci_dev_unlock(hdev);
4122}
4123
9eef6b3a
AE		 4124static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4125 struct sk_buff *skb)
4126{
4127 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4128 struct hci_conn *hcon;
4129
4130 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4131
4132 if (ev->status)
4133 return;
4134
4135 hci_dev_lock(hdev);
4136
4137 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4138 if (hcon) {
4139 hcon->state = BT_CLOSED;
4140 hci_conn_del(hcon);
4141 }
4142
4143 hci_dev_unlock(hdev);
4144}
4145
6039aa73 4146static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4147{
4148 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4149 struct hci_conn_params *params;
fcd89c09 4150 struct hci_conn *conn;
68d6f6de 4151 struct smp_irk *irk;
837d502e 4152 u8 addr_type;
fcd89c09 4153
9f1db00c 4154 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4155
4156 hci_dev_lock(hdev);
4157
fbd96c15
JH		 4158 /* All controllers implicitly stop advertising in the event of a
4159 * connection, so ensure that the state bit is cleared.
4160 */
4161 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4162
b47a09b3 4163 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4164 if (!conn) {
a5c4e309 4165 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4166 if (!conn) {
4167 BT_ERR("No memory for new connection");
230fd16a 4168 goto unlock;
b62f328b 4169 }
29b7988a
AG		 4170
4171 conn->dst_type = ev->bdaddr_type;
b9b343d2 4172
cb1d68f7
JH		 4173 /* If we didn't have a hci_conn object previously
4174 * but we're in master role this must be something
4175 * initiated using a white list. Since white list based
4176 * connections are not "first class citizens" we don't
4177 * have full tracking of them. Therefore, we go ahead
4178 * with a "best effort" approach of determining the
4179 * initiator address based on the HCI_PRIVACY flag.
4180 */
4181 if (conn->out) {
4182 conn->resp_addr_type = ev->bdaddr_type;
4183 bacpy(&conn->resp_addr, &ev->bdaddr);
4184 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4185 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4186 bacpy(&conn->init_addr, &hdev->rpa);
4187 } else {
4188 hci_copy_identity_address(hdev,
4189 &conn->init_addr,
4190 &conn->init_addr_type);
4191 }
cb1d68f7 4192 }
9489eca4
JH		 4193 } else {
4194 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4195 }
fcd89c09 4196
80c24ab8
JH		 4197 if (!conn->out) {
4198 /* Set the responder (our side) address type based on
4199 * the advertising address type.
4200 */
4201 conn->resp_addr_type = hdev->adv_addr_type;
4202 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4203 bacpy(&conn->resp_addr, &hdev->random_addr);
4204 else
4205 bacpy(&conn->resp_addr, &hdev->bdaddr);
4206
4207 conn->init_addr_type = ev->bdaddr_type;
4208 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4209
4210 /* For incoming connections, set the default minimum
4211 * and maximum connection interval. They will be used
4212 * to check if the parameters are in range and if not
4213 * trigger the connection update procedure.
4214 */
4215 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4216 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4217 }
7be2edbb 4218
edb4b466
MH		 4219 /* Lookup the identity address from the stored connection
4220 * address and address type.
4221 *
4222 * When establishing connections to an identity address, the
4223 * connection procedure will store the resolvable random
4224 * address first. Now if it can be converted back into the
4225 * identity address, start using the identity address from
4226 * now on.
4227 */
4228 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4229 if (irk) {
4230 bacpy(&conn->dst, &irk->bdaddr);
4231 conn->dst_type = irk->addr_type;
4232 }
4233
2d3c2260
JH		 4234 if (ev->status) {
4235 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4236 goto unlock;
4237 }
4238
08853f18
JH		 4239 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4240 addr_type = BDADDR_LE_PUBLIC;
4241 else
4242 addr_type = BDADDR_LE_RANDOM;
4243
2d3c2260
JH		 4244 /* Drop the connection if the device is blocked */
4245 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4246 hci_conn_drop(conn);
cd17decb
AG		 4247 goto unlock;
4248 }
4249
b644ba33 4250 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
48ec92fa 4251 mgmt_device_connected(hdev, conn, 0, NULL, 0);
83bc71b4 4252
7b5c0d52 4253 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4254 conn->handle = __le16_to_cpu(ev->handle);
4255 conn->state = BT_CONNECTED;
4256
e04fde60
MH		 4257 conn->le_conn_interval = le16_to_cpu(ev->interval);
4258 conn->le_conn_latency = le16_to_cpu(ev->latency);
4259 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4260
fcd89c09
VT		 4261 hci_conn_add_sysfs(conn);
4262
4263 hci_proto_connect_cfm(conn, ev->status);
4264
5477610f
JH		 4265 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4266 conn->dst_type);
f161dd41 4267 if (params) {
95305baa 4268 list_del_init(&params->action);
f161dd41
JH		 4269 if (params->conn) {
4270 hci_conn_drop(params->conn);
f8aaf9b6 4271 hci_conn_put(params->conn);
f161dd41
JH		 4272 params->conn = NULL;
4273 }
4274 }
a4790dbd 4275
fcd89c09 4276unlock:
223683a5 4277 hci_update_background_scan(hdev);
fcd89c09
VT		 4278 hci_dev_unlock(hdev);
4279}
4280
1855d92d
MH		 4281static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4282 struct sk_buff *skb)
4283{
4284 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4285 struct hci_conn *conn;
4286
4287 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4288
4289 if (ev->status)
4290 return;
4291
4292 hci_dev_lock(hdev);
4293
4294 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4295 if (conn) {
4296 conn->le_conn_interval = le16_to_cpu(ev->interval);
4297 conn->le_conn_latency = le16_to_cpu(ev->latency);
4298 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4299 }
4300
4301 hci_dev_unlock(hdev);
4302}
4303
a4790dbd 4304/* This function requires the caller holds hdev->lock */
fd45ada9
AA		 4305static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
4306 bdaddr_t *addr,
4307 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4308{
4309 struct hci_conn *conn;
4b9e7e75 4310 struct hci_conn_params *params;
a4790dbd 4311
1c1abcab
JH		 4312 /* If the event is not connectable don't proceed further */
4313 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4314 return NULL;
1c1abcab
JH		 4315
4316 /* Ignore if the device is blocked */
dcc36c16 4317 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
fd45ada9 4318 return NULL;
1c1abcab 4319
f99353cf
JH		 4320 /* Most controller will fail if we try to create new connections
4321 * while we have an existing one in slave role.
4322 */
4323 if (hdev->conn_hash.le_num_slave > 0)
fd45ada9 4324 return NULL;
f99353cf 4325
1c1abcab
JH		 4326 /* If we're not connectable only connect devices that we have in
4327 * our pend_le_conns list.
4328 */
4b9e7e75
MH		 4329 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4330 addr, addr_type);
4331 if (!params)
fd45ada9 4332 return NULL;
4b9e7e75
MH		 4333
4334 switch (params->auto_connect) {
4335 case HCI_AUTO_CONN_DIRECT:
4336 /* Only devices advertising with ADV_DIRECT_IND are
4337 * triggering a connection attempt. This is allowing
4338 * incoming connections from slave devices.
4339 */
4340 if (adv_type != LE_ADV_DIRECT_IND)
fd45ada9 4341 return NULL;
4b9e7e75
MH		 4342 break;
4343 case HCI_AUTO_CONN_ALWAYS:
4344 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4345 * are triggering a connection attempt. This means
4346 * that incoming connectioms from slave device are
4347 * accepted and also outgoing connections to slave
4348 * devices are established when found.
4349 */
4350 break;
4351 default:
fd45ada9 4352 return NULL;
4b9e7e75 4353 }
a4790dbd
AG		 4354
4355 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4356 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4357 if (!IS_ERR(conn)) {
4358 /* Store the pointer since we don't really have any
4359 * other owner of the object besides the params that
4360 * triggered it. This way we can abort the connection if
4361 * the parameters get removed and keep the reference
4362 * count consistent once the connection is established.
4363 */
f8aaf9b6 4364 params->conn = hci_conn_get(conn);
fd45ada9 4365 return conn;
f161dd41 4366 }
a4790dbd
AG		 4367
4368 switch (PTR_ERR(conn)) {
4369 case -EBUSY:
4370 /* If hci_connect() returns -EBUSY it means there is already
4371 * an LE connection attempt going on. Since controllers don't
4372 * support more than one connection attempt at the time, we
4373 * don't consider this an error case.
4374 */
4375 break;
4376 default:
4377 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
fd45ada9 4378 return NULL;
a4790dbd 4379 }
fd45ada9
AA		 4380
4381 return NULL;
a4790dbd
AG		 4382}
4383
4af605d8
JH		 4384static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4385 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4386{
b9a6328f 4387 struct discovery_state *d = &hdev->discovery;
1c1abcab 4388 struct smp_irk *irk;
fd45ada9 4389 struct hci_conn *conn;
474ee066 4390 bool match;
c70a7e4c 4391 u32 flags;
b9a6328f 4392
1c1abcab
JH		 4393 /* Check if we need to convert to identity address */
4394 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4395 if (irk) {
4396 bdaddr = &irk->bdaddr;
4397 bdaddr_type = irk->addr_type;
4398 }
4399
4400 /* Check if we have been requested to connect to this device */
fd45ada9
AA		 4401 conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4402 if (conn && type == LE_ADV_IND) {
4403 /* Store report for later inclusion by
4404 * mgmt_device_connected
4405 */
4406 memcpy(conn->le_adv_data, data, len);
4407 conn->le_adv_data_len = len;
4408 }
1c1abcab 4409
0d2bf134
JH		 4410 /* Passive scanning shouldn't trigger any device found events,
4411 * except for devices marked as CONN_REPORT for which we do send
4412 * device found events.
4413 */
ca5c4be7 4414 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4415 if (type == LE_ADV_DIRECT_IND)
4416 return;
4417
3a19b6fe
JH		 4418 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4419 bdaddr, bdaddr_type))
0d2bf134
JH		 4420 return;
4421
4422 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4423 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4424 else
4425 flags = 0;
4426 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4427 rssi, flags, data, len, NULL, 0);
97bf2e99 4428 return;
ca5c4be7 4429 }
4af605d8 4430
c70a7e4c
MH		 4431 /* When receiving non-connectable or scannable undirected
4432 * advertising reports, this means that the remote device is
4433 * not connectable and then clearly indicate this in the
4434 * device found event.
4435 *
4436 * When receiving a scan response, then there is no way to
4437 * know if the remote device is connectable or not. However
4438 * since scan responses are merged with a previously seen
4439 * advertising report, the flags field from that report
4440 * will be used.
4441 *
4442 * In the really unlikely case that a controller get confused
4443 * and just sends a scan response event, then it is marked as
4444 * not connectable as well.
4445 */
4446 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4447 type == LE_ADV_SCAN_RSP)
4448 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4449 else
4450 flags = 0;
4451
b9a6328f
JH		 4452 /* If there's nothing pending either store the data from this
4453 * event or send an immediate device found event if the data
4454 * should not be stored for later.
4455 */
4456 if (!has_pending_adv_report(hdev)) {
4457 /* If the report will trigger a SCAN_REQ store it for
4458 * later merging.
4459 */
4460 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4461 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4462 rssi, flags, data, len);
b9a6328f
JH		 4463 return;
4464 }
4465
4466 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4467 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4468 return;
4469 }
4470
474ee066
JH		 4471 /* Check if the pending report is for the same device as the new one */
4472 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4473 bdaddr_type == d->last_adv_addr_type);
4474
b9a6328f
JH		 4475 /* If the pending data doesn't match this report or this isn't a
4476 * scan response (e.g. we got a duplicate ADV_IND) then force
4477 * sending of the pending data.
4478 */
474ee066
JH		 4479 if (type != LE_ADV_SCAN_RSP || !match) {
4480 /* Send out whatever is in the cache, but skip duplicates */
4481 if (!match)
4482 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4483 d->last_adv_addr_type, NULL,
c70a7e4c 4484 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4485 d->last_adv_data,
474ee066 4486 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4487
4488 /* If the new report will trigger a SCAN_REQ store it for
4489 * later merging.
4490 */
4491 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4492 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4493 rssi, flags, data, len);
b9a6328f
JH		 4494 return;
4495 }
4496
4497 /* The advertising reports cannot be merged, so clear
4498 * the pending report and send out a device found event.
4499 */
4500 clear_pending_adv_report(hdev);
5c5b93e4 4501 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4502 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4503 return;
4504 }
4505
4506 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4507 * the new event is a SCAN_RSP. We can therefore proceed with
4508 * sending a merged device found event.
4509 */
4510 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4511 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4512 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4513 clear_pending_adv_report(hdev);
4af605d8
JH		 4514}
4515
6039aa73 4516static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4517{
e95beb41
AG		 4518 u8 num_reports = skb->data[0];
4519 void *ptr = &skb->data[1];
9aa04c91 4520
a4790dbd
AG		 4521 hci_dev_lock(hdev);
4522
e95beb41
AG		 4523 while (num_reports--) {
4524 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4525 s8 rssi;
a4790dbd 4526
3c9e9195 4527 rssi = ev->data[ev->length];
4af605d8
JH		 4528 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4529 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4530
e95beb41 4531 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4532 }
a4790dbd
AG		 4533
4534 hci_dev_unlock(hdev);
9aa04c91
AG		 4535}
4536
6039aa73 4537static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4538{
4539 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4540 struct hci_cp_le_ltk_reply cp;
bea710fe 4541 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4542 struct hci_conn *conn;
c9839a11 4543 struct smp_ltk *ltk;
a7a595f6 4544
9f1db00c 4545 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4546
4547 hci_dev_lock(hdev);
4548
4549 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4550 if (conn == NULL)
4551 goto not_found;
a7a595f6 4552
e804d25d 4553 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4554 if (ltk == NULL)
4555 goto not_found;
4556
4557 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4558 cp.handle = cpu_to_le16(conn->handle);
c9839a11 4559
a6f7833c 4560 conn->pending_sec_level = smp_ltk_sec_level(ltk);
a7a595f6 4561
89cbb4da 4562 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4563
4564 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4565
5981a882
CT		 4566 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4567 * temporary key used to encrypt a connection following
4568 * pairing. It is used during the Encrypted Session Setup to
4569 * distribute the keys. Later, security can be re-established
4570 * using a distributed LTK.
4571 */
2ceba539 4572 if (ltk->type == SMP_STK) {
fe59a05f 4573 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4574 list_del(&ltk->list);
4575 kfree(ltk);
fe59a05f
JH		 4576 } else {
4577 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4578 }
4579
a7a595f6 4580 hci_dev_unlock(hdev);
bea710fe
VCG		 4581
4582 return;
4583
4584not_found:
4585 neg.handle = ev->handle;
4586 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4587 hci_dev_unlock(hdev);
a7a595f6
VCG		 4588}
4589
8e75b46a
AG		 4590static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4591 u8 reason)
4592{
4593 struct hci_cp_le_conn_param_req_neg_reply cp;
4594
4595 cp.handle = cpu_to_le16(handle);
4596 cp.reason = reason;
4597
4598 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4599 &cp);
4600}
4601
4602static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4603 struct sk_buff *skb)
4604{
4605 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4606 struct hci_cp_le_conn_param_req_reply cp;
4607 struct hci_conn *hcon;
4608 u16 handle, min, max, latency, timeout;
4609
4610 handle = le16_to_cpu(ev->handle);
4611 min = le16_to_cpu(ev->interval_min);
4612 max = le16_to_cpu(ev->interval_max);
4613 latency = le16_to_cpu(ev->latency);
4614 timeout = le16_to_cpu(ev->timeout);
4615
4616 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4617 if (!hcon || hcon->state != BT_CONNECTED)
4618 return send_conn_param_neg_reply(hdev, handle,
4619 HCI_ERROR_UNKNOWN_CONN_ID);
4620
4621 if (hci_check_conn_params(min, max, latency, timeout))
4622 return send_conn_param_neg_reply(hdev, handle,
4623 HCI_ERROR_INVALID_LL_PARAMS);
4624
40bef302 4625 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4626 struct hci_conn_params *params;
f4869e2a 4627 u8 store_hint;
348d50b8
JH		 4628
4629 hci_dev_lock(hdev);
4630
4631 params = hci_conn_params_lookup(hdev, &hcon->dst,
4632 hcon->dst_type);
4633 if (params) {
4634 params->conn_min_interval = min;
4635 params->conn_max_interval = max;
4636 params->conn_latency = latency;
4637 params->supervision_timeout = timeout;
f4869e2a
JH		 4638 store_hint = 0x01;
4639 } else{
4640 store_hint = 0x00;
348d50b8
JH		 4641 }
4642
4643 hci_dev_unlock(hdev);
4644
f4869e2a
JH		 4645 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4646 store_hint, min, max, latency, timeout);
348d50b8 4647 }
ffb5a827 4648
8e75b46a
AG		 4649 cp.handle = ev->handle;
4650 cp.interval_min = ev->interval_min;
4651 cp.interval_max = ev->interval_max;
4652 cp.latency = ev->latency;
4653 cp.timeout = ev->timeout;
4654 cp.min_ce_len = 0;
4655 cp.max_ce_len = 0;
4656
4657 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4658}
4659
6039aa73 4660static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4661{
4662 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4663
4664 skb_pull(skb, sizeof(*le_ev));
4665
4666 switch (le_ev->subevent) {
4667 case HCI_EV_LE_CONN_COMPLETE:
4668 hci_le_conn_complete_evt(hdev, skb);
4669 break;
4670
1855d92d
MH		 4671 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4672 hci_le_conn_update_complete_evt(hdev, skb);
4673 break;
4674
9aa04c91
AG		 4675 case HCI_EV_LE_ADVERTISING_REPORT:
4676 hci_le_adv_report_evt(hdev, skb);
4677 break;
4678
a7a595f6
VCG		 4679 case HCI_EV_LE_LTK_REQ:
4680 hci_le_ltk_request_evt(hdev, skb);
4681 break;
4682
8e75b46a
AG		 4683 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4684 hci_le_remote_conn_param_req_evt(hdev, skb);
4685 break;
4686
fcd89c09
VT		 4687 default:
4688 break;
4689 }
4690}
4691
9495b2ee
AE		 4692static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4693{
4694 struct hci_ev_channel_selected *ev = (void *) skb->data;
4695 struct hci_conn *hcon;
4696
4697 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4698
4699 skb_pull(skb, sizeof(*ev));
4700
4701 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4702 if (!hcon)
4703 return;
4704
4705 amp_read_loc_assoc_final_data(hdev, hcon);
4706}
4707
a9de9248
MH		 4708void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4709{
4710 struct hci_event_hdr *hdr = (void *) skb->data;
4711 __u8 event = hdr->evt;
4712
b6ddb638
JH		 4713 hci_dev_lock(hdev);
4714
4715 /* Received events are (currently) only needed when a request is
4716 * ongoing so avoid unnecessary memory allocation.
4717 */
899de765 4718 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4719 kfree_skb(hdev->recv_evt);
4720 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4721 }
4722
4723 hci_dev_unlock(hdev);
4724
a9de9248
MH		 4725 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4726
02350a72 4727 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4728 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4729 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4730
4731 hci_req_cmd_complete(hdev, opcode, 0);
4732 }
4733
a9de9248 4734 switch (event) {
1da177e4
LT		 4735 case HCI_EV_INQUIRY_COMPLETE:
4736 hci_inquiry_complete_evt(hdev, skb);
4737 break;
4738
4739 case HCI_EV_INQUIRY_RESULT:
4740 hci_inquiry_result_evt(hdev, skb);
4741 break;
4742
a9de9248
MH		 4743 case HCI_EV_CONN_COMPLETE:
4744 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4745 break;
4746
1da177e4
LT		 4747 case HCI_EV_CONN_REQUEST:
4748 hci_conn_request_evt(hdev, skb);
4749 break;
4750
1da177e4
LT		 4751 case HCI_EV_DISCONN_COMPLETE:
4752 hci_disconn_complete_evt(hdev, skb);
4753 break;
4754
1da177e4
LT		 4755 case HCI_EV_AUTH_COMPLETE:
4756 hci_auth_complete_evt(hdev, skb);
4757 break;
4758
a9de9248
MH		 4759 case HCI_EV_REMOTE_NAME:
4760 hci_remote_name_evt(hdev, skb);
4761 break;
4762
1da177e4
LT		 4763 case HCI_EV_ENCRYPT_CHANGE:
4764 hci_encrypt_change_evt(hdev, skb);
4765 break;
4766
a9de9248
MH		 4767 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4768 hci_change_link_key_complete_evt(hdev, skb);
4769 break;
4770
4771 case HCI_EV_REMOTE_FEATURES:
4772 hci_remote_features_evt(hdev, skb);
4773 break;
4774
a9de9248
MH		 4775 case HCI_EV_CMD_COMPLETE:
4776 hci_cmd_complete_evt(hdev, skb);
4777 break;
4778
4779 case HCI_EV_CMD_STATUS:
4780 hci_cmd_status_evt(hdev, skb);
4781 break;
4782
24dfa343
MH		 4783 case HCI_EV_HARDWARE_ERROR:
4784 hci_hardware_error_evt(hdev, skb);
4785 break;
4786
a9de9248
MH		 4787 case HCI_EV_ROLE_CHANGE:
4788 hci_role_change_evt(hdev, skb);
4789 break;
4790
4791 case HCI_EV_NUM_COMP_PKTS:
4792 hci_num_comp_pkts_evt(hdev, skb);
4793 break;
4794
4795 case HCI_EV_MODE_CHANGE:
4796 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4797 break;
4798
4799 case HCI_EV_PIN_CODE_REQ:
4800 hci_pin_code_request_evt(hdev, skb);
4801 break;
4802
4803 case HCI_EV_LINK_KEY_REQ:
4804 hci_link_key_request_evt(hdev, skb);
4805 break;
4806
4807 case HCI_EV_LINK_KEY_NOTIFY:
4808 hci_link_key_notify_evt(hdev, skb);
4809 break;
4810
4811 case HCI_EV_CLOCK_OFFSET:
4812 hci_clock_offset_evt(hdev, skb);
4813 break;
4814
a8746417
MH		 4815 case HCI_EV_PKT_TYPE_CHANGE:
4816 hci_pkt_type_change_evt(hdev, skb);
4817 break;
4818
85a1e930
MH		 4819 case HCI_EV_PSCAN_REP_MODE:
4820 hci_pscan_rep_mode_evt(hdev, skb);
4821 break;
4822
a9de9248
MH		 4823 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4824 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4825 break;
4826
a9de9248
MH		 4827 case HCI_EV_REMOTE_EXT_FEATURES:
4828 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4829 break;
4830
a9de9248
MH		 4831 case HCI_EV_SYNC_CONN_COMPLETE:
4832 hci_sync_conn_complete_evt(hdev, skb);
4833 break;
1da177e4 4834
a9de9248
MH		 4835 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4836 hci_extended_inquiry_result_evt(hdev, skb);
4837 break;
1da177e4 4838
1c2e0041
JH		 4839 case HCI_EV_KEY_REFRESH_COMPLETE:
4840 hci_key_refresh_complete_evt(hdev, skb);
4841 break;
4842
0493684e
MH		 4843 case HCI_EV_IO_CAPA_REQUEST:
4844 hci_io_capa_request_evt(hdev, skb);
4845 break;
4846
03b555e1
JH		 4847 case HCI_EV_IO_CAPA_REPLY:
4848 hci_io_capa_reply_evt(hdev, skb);
4849 break;
4850
a5c29683
JH		 4851 case HCI_EV_USER_CONFIRM_REQUEST:
4852 hci_user_confirm_request_evt(hdev, skb);
4853 break;
4854
1143d458
BG		 4855 case HCI_EV_USER_PASSKEY_REQUEST:
4856 hci_user_passkey_request_evt(hdev, skb);
4857 break;
4858
92a25256
JH		 4859 case HCI_EV_USER_PASSKEY_NOTIFY:
4860 hci_user_passkey_notify_evt(hdev, skb);
4861 break;
4862
4863 case HCI_EV_KEYPRESS_NOTIFY:
4864 hci_keypress_notify_evt(hdev, skb);
4865 break;
4866
0493684e
MH		 4867 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4868 hci_simple_pair_complete_evt(hdev, skb);
4869 break;
4870
41a96212
MH		 4871 case HCI_EV_REMOTE_HOST_FEATURES:
4872 hci_remote_host_features_evt(hdev, skb);
4873 break;
4874
fcd89c09
VT		 4875 case HCI_EV_LE_META:
4876 hci_le_meta_evt(hdev, skb);
4877 break;
4878
9495b2ee
AE		 4879 case HCI_EV_CHANNEL_SELECTED:
4880 hci_chan_selected_evt(hdev, skb);
4881 break;
4882
2763eda6
SJ		 4883 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4884 hci_remote_oob_data_request_evt(hdev, skb);
4885 break;
4886
d5e91192
AE		 4887 case HCI_EV_PHY_LINK_COMPLETE:
4888 hci_phy_link_complete_evt(hdev, skb);
4889 break;
4890
27695fb4
AE		 4891 case HCI_EV_LOGICAL_LINK_COMPLETE:
4892 hci_loglink_complete_evt(hdev, skb);
4893 break;
4894
606e2a10
AE		 4895 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4896 hci_disconn_loglink_complete_evt(hdev, skb);
4897 break;
4898
9eef6b3a
AE		 4899 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4900 hci_disconn_phylink_complete_evt(hdev, skb);
4901 break;
4902
25e89e99
AE		 4903 case HCI_EV_NUM_COMP_BLOCKS:
4904 hci_num_comp_blocks_evt(hdev, skb);
4905 break;
4906
a9de9248 4907 default:
9f1db00c 4908 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4909 break;
4910 }
4911
4912 kfree_skb(skb);
4913 hdev->stat.evt_rx++;
4914}
Linux kernel - Deliverables
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