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Bluetooth: Remove unnecessary params variable from process_adv_report()
[mirror_ubuntu-bionic-kernel.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
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));
104 if (conn) {
105 if (rp->role)
4dae2798 106 clear_bit(HCI_CONN_MASTER, &conn->flags);
a9de9248 107 else
4dae2798 108 set_bit(HCI_CONN_MASTER, &conn->flags);
1da177e4 109 }
a9de9248
MH		 110
111 hci_dev_unlock(hdev);
1da177e4
LT		 112}
113
e4e8e37c
MH		 114static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
115{
116 struct hci_rp_read_link_policy *rp = (void *) skb->data;
117 struct hci_conn *conn;
118
9f1db00c 119 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 120
121 if (rp->status)
122 return;
123
124 hci_dev_lock(hdev);
125
126 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
127 if (conn)
128 conn->link_policy = __le16_to_cpu(rp->policy);
129
130 hci_dev_unlock(hdev);
131}
132
a9de9248 133static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 134{
a9de9248 135 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 136 struct hci_conn *conn;
04837f64 137 void *sent;
1da177e4 138
9f1db00c 139 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 140
a9de9248
MH		 141 if (rp->status)
142 return;
1da177e4 143
a9de9248
MH		 144 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
145 if (!sent)
146 return;
1da177e4 147
a9de9248 148 hci_dev_lock(hdev);
1da177e4 149
a9de9248 150 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 151 if (conn)
83985319 152 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 153
a9de9248
MH		 154 hci_dev_unlock(hdev);
155}
1da177e4 156
807deac2
GP		 157static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
158 struct sk_buff *skb)
e4e8e37c
MH		 159{
160 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
161
9f1db00c 162 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 163
164 if (rp->status)
165 return;
166
167 hdev->link_policy = __le16_to_cpu(rp->policy);
168}
169
807deac2
GP		 170static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
171 struct sk_buff *skb)
e4e8e37c
MH		 172{
173 __u8 status = *((__u8 *) skb->data);
174 void *sent;
175
9f1db00c 176 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 177
45296acd
MH		 178 if (status)
179 return;
180
e4e8e37c
MH		 181 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
182 if (!sent)
183 return;
184
45296acd 185 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 186}
187
a9de9248
MH		 188static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
189{
190 __u8 status = *((__u8 *) skb->data);
04837f64 191
9f1db00c 192 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 193
10572132
GP		 194 clear_bit(HCI_RESET, &hdev->flags);
195
a297e97c 196 /* Reset all non-persistent flags */
2cc6fb00 197 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 198
199 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 200 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
201 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 202
203 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
204 hdev->adv_data_len = 0;
f8e808bd
MH		 205
206 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
207 hdev->scan_rsp_data_len = 0;
06f5b778 208
533553f8
MH		 209 hdev->le_scan_type = LE_SCAN_PASSIVE;
210
06f5b778 211 hdev->ssp_debug_mode = 0;
a9de9248 212}
04837f64 213
a9de9248
MH		 214static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
215{
216 __u8 status = *((__u8 *) skb->data);
217 void *sent;
04837f64 218
9f1db00c 219 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 220
a9de9248
MH		 221 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
222 if (!sent)
223 return;
04837f64 224
56e5cb86
JH		 225 hci_dev_lock(hdev);
226
f51d5b24
JH		 227 if (test_bit(HCI_MGMT, &hdev->dev_flags))
228 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 229 else if (!status)
230 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 231
56e5cb86 232 hci_dev_unlock(hdev);
a9de9248
MH		 233}
234
235static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
236{
237 struct hci_rp_read_local_name *rp = (void *) skb->data;
238
9f1db00c 239 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 240
241 if (rp->status)
242 return;
243
db99b5fc
JH		 244 if (test_bit(HCI_SETUP, &hdev->dev_flags))
245 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 246}
247
248static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
249{
250 __u8 status = *((__u8 *) skb->data);
251 void *sent;
252
9f1db00c 253 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 254
255 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
256 if (!sent)
257 return;
258
259 if (!status) {
260 __u8 param = *((__u8 *) sent);
261
262 if (param == AUTH_ENABLED)
263 set_bit(HCI_AUTH, &hdev->flags);
264 else
265 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 266 }
a9de9248 267
33ef95ed
JH		 268 if (test_bit(HCI_MGMT, &hdev->dev_flags))
269 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 270}
271
a9de9248 272static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 273{
a9de9248 274 __u8 status = *((__u8 *) skb->data);
45296acd 275 __u8 param;
1da177e4
LT		 276 void *sent;
277
9f1db00c 278 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 279
45296acd
MH		 280 if (status)
281 return;
282
a9de9248
MH		 283 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
284 if (!sent)
285 return;
1da177e4 286
45296acd 287 param = *((__u8 *) sent);
a9de9248 288
45296acd
MH		 289 if (param)
290 set_bit(HCI_ENCRYPT, &hdev->flags);
291 else
292 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 293}
1da177e4 294
a9de9248
MH		 295static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
296{
45296acd
MH		 297 __u8 status = *((__u8 *) skb->data);
298 __u8 param;
a9de9248 299 void *sent;
1da177e4 300
9f1db00c 301 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 302
a9de9248
MH		 303 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
304 if (!sent)
305 return;
1da177e4 306
36f7fc7e
JH		 307 param = *((__u8 *) sent);
308
56e5cb86
JH		 309 hci_dev_lock(hdev);
310
fa1bd918 311 if (status) {
2d7cee58
JH		 312 hdev->discov_timeout = 0;
313 goto done;
314 }
315
bc6d2d04 316 if (param & SCAN_INQUIRY)
36f7fc7e 317 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 318 else
319 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 320
031547d8 321 if (param & SCAN_PAGE)
36f7fc7e 322 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04
JH		 323 else
324 clear_bit(HCI_ISCAN, &hdev->flags);
1da177e4 325
36f7fc7e 326done:
56e5cb86 327 hci_dev_unlock(hdev);
a9de9248 328}
1da177e4 329
a9de9248
MH		 330static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
331{
332 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 333
9f1db00c 334 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 335
a9de9248
MH		 336 if (rp->status)
337 return;
1da177e4 338
a9de9248 339 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 340
a9de9248 341 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 342 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 343}
1da177e4 344
a9de9248
MH		 345static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
346{
347 __u8 status = *((__u8 *) skb->data);
348 void *sent;
1da177e4 349
9f1db00c 350 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 351
a9de9248
MH		 352 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
353 if (!sent)
354 return;
1da177e4 355
7f9a903c
MH		 356 hci_dev_lock(hdev);
357
358 if (status == 0)
359 memcpy(hdev->dev_class, sent, 3);
360
361 if (test_bit(HCI_MGMT, &hdev->dev_flags))
362 mgmt_set_class_of_dev_complete(hdev, sent, status);
363
364 hci_dev_unlock(hdev);
a9de9248 365}
1da177e4 366
a9de9248
MH		 367static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
368{
369 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
370 __u16 setting;
371
9f1db00c 372 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 373
374 if (rp->status)
375 return;
376
377 setting = __le16_to_cpu(rp->voice_setting);
378
f383f275 379 if (hdev->voice_setting == setting)
a9de9248
MH		 380 return;
381
382 hdev->voice_setting = setting;
383
9f1db00c 384 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 385
3c54711c 386 if (hdev->notify)
a9de9248 387 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 388}
389
8fc9ced3
GP		 390static void hci_cc_write_voice_setting(struct hci_dev *hdev,
391 struct sk_buff *skb)
a9de9248
MH		 392{
393 __u8 status = *((__u8 *) skb->data);
f383f275 394 __u16 setting;
a9de9248
MH		 395 void *sent;
396
9f1db00c 397 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 398
f383f275
MH		 399 if (status)
400 return;
401
a9de9248
MH		 402 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
403 if (!sent)
404 return;
1da177e4 405
f383f275 406 setting = get_unaligned_le16(sent);
1da177e4 407
f383f275
MH		 408 if (hdev->voice_setting == setting)
409 return;
410
411 hdev->voice_setting = setting;
1da177e4 412
9f1db00c 413 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 414
3c54711c 415 if (hdev->notify)
f383f275 416 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 417}
418
b4cb9fb2
MH		 419static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
420 struct sk_buff *skb)
421{
422 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
423
424 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
425
426 if (rp->status)
427 return;
428
429 hdev->num_iac = rp->num_iac;
430
431 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
432}
433
333140b5
MH		 434static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
435{
436 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 437 struct hci_cp_write_ssp_mode *sent;
333140b5 438
9f1db00c 439 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 440
333140b5
MH		 441 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
442 if (!sent)
443 return;
444
5ed8eb2f
JH		 445 if (!status) {
446 if (sent->mode)
cad718ed 447 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 448 else
cad718ed 449 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 450 }
451
ed2c4ee3 452 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 453 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 454 else if (!status) {
5ed8eb2f 455 if (sent->mode)
c0ecddc2
JH		 456 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
457 else
458 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
459 }
333140b5
MH		 460}
461
eac83dc6
MH		 462static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
463{
464 u8 status = *((u8 *) skb->data);
465 struct hci_cp_write_sc_support *sent;
466
467 BT_DBG("%s status 0x%2.2x", hdev->name, status);
468
469 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
470 if (!sent)
471 return;
472
473 if (!status) {
474 if (sent->support)
475 hdev->features[1][0] |= LMP_HOST_SC;
476 else
477 hdev->features[1][0] &= ~LMP_HOST_SC;
478 }
479
480 if (test_bit(HCI_MGMT, &hdev->dev_flags))
481 mgmt_sc_enable_complete(hdev, sent->support, status);
482 else if (!status) {
483 if (sent->support)
484 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
485 else
486 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
487 }
488}
489
a9de9248
MH		 490static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
491{
492 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 493
9f1db00c 494 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 495
a9de9248 496 if (rp->status)
42c6b129 497 return;
1143e5a6 498
0d5551f5
MH		 499 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
500 hdev->hci_ver = rp->hci_ver;
501 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
502 hdev->lmp_ver = rp->lmp_ver;
503 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
504 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
505 }
d5859e22
JH		 506}
507
8fc9ced3
GP		 508static void hci_cc_read_local_commands(struct hci_dev *hdev,
509 struct sk_buff *skb)
a9de9248
MH		 510{
511 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 512
9f1db00c 513 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 514
6a070e6e
MH		 515 if (rp->status)
516 return;
517
518 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 519 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 520}
1da177e4 521
8fc9ced3
GP		 522static void hci_cc_read_local_features(struct hci_dev *hdev,
523 struct sk_buff *skb)
a9de9248
MH		 524{
525 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 526
9f1db00c 527 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 528
a9de9248
MH		 529 if (rp->status)
530 return;
5b7f9909 531
a9de9248 532 memcpy(hdev->features, rp->features, 8);
5b7f9909 533
a9de9248
MH		 534 /* Adjust default settings according to features
535 * supported by device. */
1da177e4 536
cad718ed 537 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 538 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 539
cad718ed 540 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 541 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 542
cad718ed 543 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 544 hdev->pkt_type |= (HCI_HV2);
545 hdev->esco_type |= (ESCO_HV2);
546 }
1da177e4 547
cad718ed 548 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 549 hdev->pkt_type |= (HCI_HV3);
550 hdev->esco_type |= (ESCO_HV3);
551 }
1da177e4 552
45db810f 553 if (lmp_esco_capable(hdev))
a9de9248 554 hdev->esco_type |= (ESCO_EV3);
da1f5198 555
cad718ed 556 if (hdev->features[0][4] & LMP_EV4)
a9de9248 557 hdev->esco_type |= (ESCO_EV4);
da1f5198 558
cad718ed 559 if (hdev->features[0][4] & LMP_EV5)
a9de9248 560 hdev->esco_type |= (ESCO_EV5);
1da177e4 561
cad718ed 562 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 563 hdev->esco_type |= (ESCO_2EV3);
564
cad718ed 565 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 566 hdev->esco_type |= (ESCO_3EV3);
567
cad718ed 568 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 569 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 570}
1da177e4 571
971e3a4b 572static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 573 struct sk_buff *skb)
971e3a4b
AG		 574{
575 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
576
9f1db00c 577 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 578
579 if (rp->status)
42c6b129 580 return;
971e3a4b 581
57af75a8
MH		 582 if (hdev->max_page < rp->max_page)
583 hdev->max_page = rp->max_page;
d2c5d77f 584
cad718ed
JH		 585 if (rp->page < HCI_MAX_PAGES)
586 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 587}
588
1e89cffb 589static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 590 struct sk_buff *skb)
1e89cffb
AE		 591{
592 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
593
9f1db00c 594 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 595
45296acd
MH		 596 if (rp->status)
597 return;
598
599 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 600}
601
a9de9248
MH		 602static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
603{
604 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 605
9f1db00c 606 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 607
a9de9248
MH		 608 if (rp->status)
609 return;
1da177e4 610
a9de9248
MH		 611 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
612 hdev->sco_mtu = rp->sco_mtu;
613 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
614 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
615
616 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
617 hdev->sco_mtu = 64;
618 hdev->sco_pkts = 8;
1da177e4 619 }
a9de9248
MH		 620
621 hdev->acl_cnt = hdev->acl_pkts;
622 hdev->sco_cnt = hdev->sco_pkts;
623
807deac2
GP		 624 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
625 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 626}
627
628static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
629{
630 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
631
9f1db00c 632 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 633
e30d3f5f
MH		 634 if (rp->status)
635 return;
636
637 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 638 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 639
640 if (test_bit(HCI_SETUP, &hdev->dev_flags))
641 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 642}
643
f332ec66
JH		 644static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
645 struct sk_buff *skb)
646{
647 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
648
649 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
650
45296acd
MH		 651 if (rp->status)
652 return;
653
654 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 655 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
656 hdev->page_scan_window = __le16_to_cpu(rp->window);
657 }
658}
659
4a3ee763
JH		 660static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
661 struct sk_buff *skb)
662{
663 u8 status = *((u8 *) skb->data);
664 struct hci_cp_write_page_scan_activity *sent;
665
666 BT_DBG("%s status 0x%2.2x", hdev->name, status);
667
668 if (status)
669 return;
670
671 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
672 if (!sent)
673 return;
674
675 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
676 hdev->page_scan_window = __le16_to_cpu(sent->window);
677}
678
f332ec66
JH		 679static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
680 struct sk_buff *skb)
681{
682 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
683
684 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
685
45296acd
MH		 686 if (rp->status)
687 return;
688
689 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 690 hdev->page_scan_type = rp->type;
691}
692
4a3ee763
JH		 693static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
694 struct sk_buff *skb)
695{
696 u8 status = *((u8 *) skb->data);
697 u8 *type;
698
699 BT_DBG("%s status 0x%2.2x", hdev->name, status);
700
701 if (status)
702 return;
703
704 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
705 if (type)
706 hdev->page_scan_type = *type;
707}
708
350ee4cf 709static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 710 struct sk_buff *skb)
350ee4cf
AE		 711{
712 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
713
9f1db00c 714 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 715
716 if (rp->status)
717 return;
718
719 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
720 hdev->block_len = __le16_to_cpu(rp->block_len);
721 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
722
723 hdev->block_cnt = hdev->num_blocks;
724
725 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 726 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 727}
728
33f35721
JH		 729static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
730{
731 struct hci_rp_read_clock *rp = (void *) skb->data;
732 struct hci_cp_read_clock *cp;
733 struct hci_conn *conn;
734
735 BT_DBG("%s", hdev->name);
736
737 if (skb->len < sizeof(*rp))
738 return;
739
740 if (rp->status)
741 return;
742
743 hci_dev_lock(hdev);
744
745 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
746 if (!cp)
747 goto unlock;
748
749 if (cp->which == 0x00) {
750 hdev->clock = le32_to_cpu(rp->clock);
751 goto unlock;
752 }
753
754 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
755 if (conn) {
756 conn->clock = le32_to_cpu(rp->clock);
757 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
758 }
759
760unlock:
761 hci_dev_unlock(hdev);
762}
763
928abaa7 764static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 765 struct sk_buff *skb)
928abaa7
AE		 766{
767 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
768
9f1db00c 769 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 770
771 if (rp->status)
8e2a0d92 772 goto a2mp_rsp;
928abaa7
AE		 773
774 hdev->amp_status = rp->amp_status;
775 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
776 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
777 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
778 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
779 hdev->amp_type = rp->amp_type;
780 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
781 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
782 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
783 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
784
8e2a0d92
AE		 785a2mp_rsp:
786 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 787}
788
903e4541
AE		 789static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
790 struct sk_buff *skb)
791{
792 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
793 struct amp_assoc *assoc = &hdev->loc_assoc;
794 size_t rem_len, frag_len;
795
796 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
797
798 if (rp->status)
799 goto a2mp_rsp;
800
801 frag_len = skb->len - sizeof(*rp);
802 rem_len = __le16_to_cpu(rp->rem_len);
803
804 if (rem_len > frag_len) {
2e430be3 805 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 806
807 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
808 assoc->offset += frag_len;
809
810 /* Read other fragments */
811 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
812
813 return;
814 }
815
816 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
817 assoc->len = assoc->offset + rem_len;
818 assoc->offset = 0;
819
820a2mp_rsp:
821 /* Send A2MP Rsp when all fragments are received */
822 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 823 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 824}
825
d5859e22 826static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 827 struct sk_buff *skb)
d5859e22 828{
91c4e9b1 829 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 830
9f1db00c 831 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 832
45296acd
MH		 833 if (rp->status)
834 return;
835
836 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 837}
838
980e1a53
JH		 839static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
840{
841 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
842 struct hci_cp_pin_code_reply *cp;
843 struct hci_conn *conn;
844
9f1db00c 845 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 846
56e5cb86
JH		 847 hci_dev_lock(hdev);
848
a8b2d5c2 849 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 850 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 851
fa1bd918 852 if (rp->status)
56e5cb86 853 goto unlock;
980e1a53
JH		 854
855 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
856 if (!cp)
56e5cb86 857 goto unlock;
980e1a53
JH		 858
859 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
860 if (conn)
861 conn->pin_length = cp->pin_len;
56e5cb86
JH		 862
863unlock:
864 hci_dev_unlock(hdev);
980e1a53
JH		 865}
866
867static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
868{
869 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
870
9f1db00c 871 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 872
56e5cb86
JH		 873 hci_dev_lock(hdev);
874
a8b2d5c2 875 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 876 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 877 rp->status);
56e5cb86
JH		 878
879 hci_dev_unlock(hdev);
980e1a53 880}
56e5cb86 881
6ed58ec5
VT		 882static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
883 struct sk_buff *skb)
884{
885 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
886
9f1db00c 887 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 888
889 if (rp->status)
890 return;
891
892 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
893 hdev->le_pkts = rp->le_max_pkt;
894
895 hdev->le_cnt = hdev->le_pkts;
896
897 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 898}
980e1a53 899
60e77321
JH		 900static void hci_cc_le_read_local_features(struct hci_dev *hdev,
901 struct sk_buff *skb)
902{
903 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
904
905 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
906
45296acd
MH		 907 if (rp->status)
908 return;
909
910 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 911}
912
8fa19098
JH		 913static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
914 struct sk_buff *skb)
915{
916 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
917
918 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
919
45296acd
MH		 920 if (rp->status)
921 return;
922
923 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 924}
925
a5c29683
JH		 926static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
927{
928 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
929
9f1db00c 930 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 931
56e5cb86
JH		 932 hci_dev_lock(hdev);
933
a8b2d5c2 934 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 935 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
936 rp->status);
56e5cb86
JH		 937
938 hci_dev_unlock(hdev);
a5c29683
JH		 939}
940
941static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 942 struct sk_buff *skb)
a5c29683
JH		 943{
944 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
945
9f1db00c 946 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 947
56e5cb86
JH		 948 hci_dev_lock(hdev);
949
a8b2d5c2 950 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 951 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 952 ACL_LINK, 0, rp->status);
56e5cb86
JH		 953
954 hci_dev_unlock(hdev);
a5c29683
JH		 955}
956
1143d458
BG		 957static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
958{
959 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
960
9f1db00c 961 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 962
963 hci_dev_lock(hdev);
964
a8b2d5c2 965 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 966 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 967 0, rp->status);
1143d458
BG		 968
969 hci_dev_unlock(hdev);
970}
971
972static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 973 struct sk_buff *skb)
1143d458
BG		 974{
975 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
976
9f1db00c 977 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 978
979 hci_dev_lock(hdev);
980
a8b2d5c2 981 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 982 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 983 ACL_LINK, 0, rp->status);
1143d458
BG		 984
985 hci_dev_unlock(hdev);
986}
987
4d2d2796
MH		 988static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
989 struct sk_buff *skb)
c35938b2
SJ		 990{
991 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
992
9f1db00c 993 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 994
56e5cb86 995 hci_dev_lock(hdev);
4d2d2796
MH		 996 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
997 NULL, NULL, rp->status);
998 hci_dev_unlock(hdev);
999}
1000
1001static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1002 struct sk_buff *skb)
1003{
1004 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1005
1006 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1007
1008 hci_dev_lock(hdev);
1009 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1010 rp->hash256, rp->randomizer256,
1011 rp->status);
56e5cb86 1012 hci_dev_unlock(hdev);
c35938b2
SJ		 1013}
1014
7a4cd51d
MH		 1015
1016static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1017{
1018 __u8 status = *((__u8 *) skb->data);
1019 bdaddr_t *sent;
1020
1021 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1022
45296acd
MH		 1023 if (status)
1024 return;
1025
7a4cd51d
MH		 1026 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1027 if (!sent)
1028 return;
1029
1030 hci_dev_lock(hdev);
1031
45296acd 1032 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1033
1034 hci_dev_unlock(hdev);
1035}
1036
c1d5dc4a
JH		 1037static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1038{
1039 __u8 *sent, status = *((__u8 *) skb->data);
1040
1041 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1042
45296acd 1043 if (status)
c1d5dc4a
JH		 1044 return;
1045
45296acd
MH		 1046 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1047 if (!sent)
3c857757
JH		 1048 return;
1049
c1d5dc4a
JH		 1050 hci_dev_lock(hdev);
1051
3c857757
JH		 1052 /* If we're doing connection initation as peripheral. Set a
1053 * timeout in case something goes wrong.
1054 */
1055 if (*sent) {
1056 struct hci_conn *conn;
1057
66c417c1
JH		 1058 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1059
3c857757
JH		 1060 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1061 if (conn)
1062 queue_delayed_work(hdev->workqueue,
1063 &conn->le_conn_timeout,
09ae260b 1064 conn->conn_timeout);
66c417c1
JH		 1065 } else {
1066 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1067 }
1068
04b4edcb 1069 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1070}
1071
533553f8
MH		 1072static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1073{
1074 struct hci_cp_le_set_scan_param *cp;
1075 __u8 status = *((__u8 *) skb->data);
1076
1077 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1078
45296acd
MH		 1079 if (status)
1080 return;
1081
533553f8
MH		 1082 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1083 if (!cp)
1084 return;
1085
1086 hci_dev_lock(hdev);
1087
45296acd 1088 hdev->le_scan_type = cp->type;
533553f8
MH		 1089
1090 hci_dev_unlock(hdev);
1091}
1092
b9a6328f
JH		 1093static bool has_pending_adv_report(struct hci_dev *hdev)
1094{
1095 struct discovery_state *d = &hdev->discovery;
1096
1097 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1098}
1099
1100static void clear_pending_adv_report(struct hci_dev *hdev)
1101{
1102 struct discovery_state *d = &hdev->discovery;
1103
1104 bacpy(&d->last_adv_addr, BDADDR_ANY);
1105 d->last_adv_data_len = 0;
1106}
1107
1108static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1109 u8 bdaddr_type, s8 rssi, u32 flags,
1110 u8 *data, u8 len)
b9a6328f
JH		 1111{
1112 struct discovery_state *d = &hdev->discovery;
1113
1114 bacpy(&d->last_adv_addr, bdaddr);
1115 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1116 d->last_adv_rssi = rssi;
c70a7e4c 1117 d->last_adv_flags = flags;
b9a6328f
JH		 1118 memcpy(d->last_adv_data, data, len);
1119 d->last_adv_data_len = len;
1120}
1121
eb9d91f5 1122static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1123 struct sk_buff *skb)
eb9d91f5
AG		 1124{
1125 struct hci_cp_le_set_scan_enable *cp;
1126 __u8 status = *((__u8 *) skb->data);
1127
9f1db00c 1128 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1129
45296acd 1130 if (status)
eb9d91f5
AG		 1131 return;
1132
45296acd
MH		 1133 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1134 if (!cp)
3fd319b8
AG		 1135 return;
1136
68a8aea4 1137 switch (cp->enable) {
76a388be 1138 case LE_SCAN_ENABLE:
d23264a8 1139 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1140 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1141 clear_pending_adv_report(hdev);
68a8aea4
AE		 1142 break;
1143
76a388be 1144 case LE_SCAN_DISABLE:
b9a6328f
JH		 1145 /* We do this here instead of when setting DISCOVERY_STOPPED
1146 * since the latter would potentially require waiting for
1147 * inquiry to stop too.
1148 */
1149 if (has_pending_adv_report(hdev)) {
1150 struct discovery_state *d = &hdev->discovery;
1151
1152 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1153 d->last_adv_addr_type, NULL,
c70a7e4c 1154 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1155 d->last_adv_data,
b9a6328f
JH		 1156 d->last_adv_data_len, NULL, 0);
1157 }
1158
317ac8cb
JH		 1159 /* Cancel this timer so that we don't try to disable scanning
1160 * when it's already disabled.
1161 */
1162 cancel_delayed_work(&hdev->le_scan_disable);
1163
d23264a8 1164 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1165
81ad6fd9
JH		 1166 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1167 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1168 * therefore discovery as stopped. If this was not
1169 * because of a connect request advertising might have
1170 * been disabled because of active scanning, so
1171 * re-enable it again if necessary.
81ad6fd9
JH		 1172 */
1173 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1174 &hdev->dev_flags))
1175 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1176 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1177 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1178 mgmt_reenable_advertising(hdev);
1179
68a8aea4
AE		 1180 break;
1181
1182 default:
1183 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1184 break;
35815085 1185 }
eb9d91f5
AG		 1186}
1187
cf1d081f
JH		 1188static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1189 struct sk_buff *skb)
1190{
1191 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1192
1193 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1194
45296acd
MH		 1195 if (rp->status)
1196 return;
1197
1198 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1199}
1200
0f36b589
MH		 1201static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1202 struct sk_buff *skb)
1203{
1204 __u8 status = *((__u8 *) skb->data);
1205
1206 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1207
45296acd
MH		 1208 if (status)
1209 return;
1210
dcc36c16 1211 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1212}
1213
1214static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1215 struct sk_buff *skb)
1216{
1217 struct hci_cp_le_add_to_white_list *sent;
1218 __u8 status = *((__u8 *) skb->data);
1219
1220 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1221
45296acd
MH		 1222 if (status)
1223 return;
1224
0f36b589
MH		 1225 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1226 if (!sent)
1227 return;
1228
dcc36c16
JH		 1229 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1230 sent->bdaddr_type);
0f36b589
MH		 1231}
1232
1233static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1234 struct sk_buff *skb)
1235{
1236 struct hci_cp_le_del_from_white_list *sent;
1237 __u8 status = *((__u8 *) skb->data);
1238
1239 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1240
45296acd
MH		 1241 if (status)
1242 return;
1243
0f36b589
MH		 1244 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1245 if (!sent)
1246 return;
1247
dcc36c16
JH		 1248 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1249 sent->bdaddr_type);
0f36b589
MH		 1250}
1251
9b008c04
JH		 1252static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1253 struct sk_buff *skb)
1254{
1255 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1256
1257 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1258
45296acd
MH		 1259 if (rp->status)
1260 return;
1261
1262 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1263}
1264
6039aa73
GP		 1265static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1266 struct sk_buff *skb)
f9b49306 1267{
06199cf8 1268 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1269 __u8 status = *((__u8 *) skb->data);
1270
9f1db00c 1271 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1272
45296acd
MH		 1273 if (status)
1274 return;
1275
06199cf8 1276 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1277 if (!sent)
f9b49306
AG		 1278 return;
1279
45296acd
MH		 1280 if (sent->le) {
1281 hdev->features[1][0] |= LMP_HOST_LE;
1282 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1283 } else {
1284 hdev->features[1][0] &= ~LMP_HOST_LE;
1285 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1286 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1287 }
45296acd
MH		 1288
1289 if (sent->simul)
1290 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1291 else
1292 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1293}
1294
56ed2cb8
JH		 1295static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1296{
1297 struct hci_cp_le_set_adv_param *cp;
1298 u8 status = *((u8 *) skb->data);
1299
1300 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1301
1302 if (status)
1303 return;
1304
1305 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1306 if (!cp)
1307 return;
1308
1309 hci_dev_lock(hdev);
1310 hdev->adv_addr_type = cp->own_address_type;
1311 hci_dev_unlock(hdev);
1312}
1313
93c284ee
AE		 1314static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1315 struct sk_buff *skb)
1316{
1317 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1318
1319 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1320 hdev->name, rp->status, rp->phy_handle);
1321
1322 if (rp->status)
1323 return;
1324
1325 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1326}
1327
5ae76a94
AK		 1328static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1329{
1330 struct hci_rp_read_rssi *rp = (void *) skb->data;
1331 struct hci_conn *conn;
1332
1333 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1334
1335 if (rp->status)
1336 return;
1337
1338 hci_dev_lock(hdev);
1339
1340 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1341 if (conn)
1342 conn->rssi = rp->rssi;
1343
1344 hci_dev_unlock(hdev);
1345}
1346
5a134fae
AK		 1347static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1348{
1349 struct hci_cp_read_tx_power *sent;
1350 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1351 struct hci_conn *conn;
1352
1353 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1354
1355 if (rp->status)
1356 return;
1357
1358 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1359 if (!sent)
1360 return;
1361
1362 hci_dev_lock(hdev);
1363
1364 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1365 if (!conn)
1366 goto unlock;
1367
1368 switch (sent->type) {
1369 case 0x00:
5a134fae 1370 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1371 break;
1372 case 0x01:
1373 conn->max_tx_power = rp->tx_power;
1374 break;
1375 }
5a134fae 1376
d0455ed9 1377unlock:
5a134fae
AK		 1378 hci_dev_unlock(hdev);
1379}
1380
6039aa73 1381static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1382{
9f1db00c 1383 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1384
1385 if (status) {
a9de9248 1386 hci_conn_check_pending(hdev);
314b2381
JH		 1387 return;
1388 }
1389
89352e7d 1390 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1391}
1392
6039aa73 1393static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1394{
a9de9248 1395 struct hci_cp_create_conn *cp;
1da177e4 1396 struct hci_conn *conn;
1da177e4 1397
9f1db00c 1398 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1399
1400 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1401 if (!cp)
1402 return;
1403
1404 hci_dev_lock(hdev);
1405
1406 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1407
6ed93dc6 1408 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1409
1410 if (status) {
1411 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1412 if (status != 0x0c || conn->attempt > 2) {
1413 conn->state = BT_CLOSED;
1414 hci_proto_connect_cfm(conn, status);
1415 hci_conn_del(conn);
1416 } else
1417 conn->state = BT_CONNECT2;
1da177e4
LT		 1418 }
1419 } else {
1420 if (!conn) {
1421 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1422 if (conn) {
a0c808b3 1423 conn->out = true;
4dae2798 1424 set_bit(HCI_CONN_MASTER, &conn->flags);
1da177e4 1425 } else
893ef971 1426 BT_ERR("No memory for new connection");
1da177e4
LT		 1427 }
1428 }
1429
1430 hci_dev_unlock(hdev);
1431}
1432
a9de9248 1433static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1434{
a9de9248
MH		 1435 struct hci_cp_add_sco *cp;
1436 struct hci_conn *acl, *sco;
1437 __u16 handle;
1da177e4 1438
9f1db00c 1439 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1440
a9de9248
MH		 1441 if (!status)
1442 return;
1da177e4 1443
a9de9248
MH		 1444 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1445 if (!cp)
1446 return;
1da177e4 1447
a9de9248 1448 handle = __le16_to_cpu(cp->handle);
1da177e4 1449
9f1db00c 1450 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1451
a9de9248 1452 hci_dev_lock(hdev);
1da177e4 1453
a9de9248 1454 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1455 if (acl) {
1456 sco = acl->link;
1457 if (sco) {
1458 sco->state = BT_CLOSED;
1da177e4 1459
5a08ecce
AE		 1460 hci_proto_connect_cfm(sco, status);
1461 hci_conn_del(sco);
1462 }
a9de9248 1463 }
1da177e4 1464
a9de9248
MH		 1465 hci_dev_unlock(hdev);
1466}
1da177e4 1467
f8558555
MH		 1468static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1469{
1470 struct hci_cp_auth_requested *cp;
1471 struct hci_conn *conn;
1472
9f1db00c 1473 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1474
1475 if (!status)
1476 return;
1477
1478 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1479 if (!cp)
1480 return;
1481
1482 hci_dev_lock(hdev);
1483
1484 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1485 if (conn) {
1486 if (conn->state == BT_CONFIG) {
1487 hci_proto_connect_cfm(conn, status);
76a68ba0 1488 hci_conn_drop(conn);
f8558555
MH		 1489 }
1490 }
1491
1492 hci_dev_unlock(hdev);
1493}
1494
1495static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1496{
1497 struct hci_cp_set_conn_encrypt *cp;
1498 struct hci_conn *conn;
1499
9f1db00c 1500 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1501
1502 if (!status)
1503 return;
1504
1505 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1506 if (!cp)
1507 return;
1508
1509 hci_dev_lock(hdev);
1510
1511 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1512 if (conn) {
1513 if (conn->state == BT_CONFIG) {
1514 hci_proto_connect_cfm(conn, status);
76a68ba0 1515 hci_conn_drop(conn);
f8558555
MH		 1516 }
1517 }
1518
1519 hci_dev_unlock(hdev);
1520}
1521
127178d2 1522static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1523 struct hci_conn *conn)
392599b9 1524{
392599b9
JH		 1525 if (conn->state != BT_CONFIG || !conn->out)
1526 return 0;
1527
765c2a96 1528 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1529 return 0;
1530
1531 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1532 * devices with sec_level MEDIUM or HIGH or if MITM protection
1533 * is requested.
1534 */
807deac2 1535 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1536 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1537 conn->pending_sec_level != BT_SECURITY_HIGH &&
1538 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1539 return 0;
1540
392599b9
JH		 1541 return 1;
1542}
1543
6039aa73 1544static int hci_resolve_name(struct hci_dev *hdev,
04124681 1545 struct inquiry_entry *e)
30dc78e1
JH		 1546{
1547 struct hci_cp_remote_name_req cp;
1548
1549 memset(&cp, 0, sizeof(cp));
1550
1551 bacpy(&cp.bdaddr, &e->data.bdaddr);
1552 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1553 cp.pscan_mode = e->data.pscan_mode;
1554 cp.clock_offset = e->data.clock_offset;
1555
1556 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1557}
1558
b644ba33 1559static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1560{
1561 struct discovery_state *discov = &hdev->discovery;
1562 struct inquiry_entry *e;
1563
b644ba33
JH		 1564 if (list_empty(&discov->resolve))
1565 return false;
1566
1567 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1568 if (!e)
1569 return false;
1570
b644ba33
JH		 1571 if (hci_resolve_name(hdev, e) == 0) {
1572 e->name_state = NAME_PENDING;
1573 return true;
1574 }
1575
1576 return false;
1577}
1578
1579static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1580 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1581{
1582 struct discovery_state *discov = &hdev->discovery;
1583 struct inquiry_entry *e;
1584
1585 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP		 1586 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1587 name_len, conn->dev_class);
b644ba33
JH		 1588
1589 if (discov->state == DISCOVERY_STOPPED)
1590 return;
1591
30dc78e1
JH		 1592 if (discov->state == DISCOVERY_STOPPING)
1593 goto discov_complete;
1594
1595 if (discov->state != DISCOVERY_RESOLVING)
1596 return;
1597
1598 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1599 /* If the device was not found in a list of found devices names of which
1600 * are pending. there is no need to continue resolving a next name as it
1601 * will be done upon receiving another Remote Name Request Complete
1602 * Event */
1603 if (!e)
1604 return;
1605
1606 list_del(&e->list);
1607 if (name) {
30dc78e1 1608 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1609 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1610 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1611 } else {
1612 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1613 }
1614
b644ba33 1615 if (hci_resolve_next_name(hdev))
30dc78e1 1616 return;
30dc78e1
JH		 1617
1618discov_complete:
1619 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1620}
1621
a9de9248
MH		 1622static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1623{
127178d2
JH		 1624 struct hci_cp_remote_name_req *cp;
1625 struct hci_conn *conn;
1626
9f1db00c 1627 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1628
1629 /* If successful wait for the name req complete event before
1630 * checking for the need to do authentication */
1631 if (!status)
1632 return;
1633
1634 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1635 if (!cp)
1636 return;
1637
1638 hci_dev_lock(hdev);
1639
b644ba33
JH		 1640 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1641
a8b2d5c2 1642 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1643 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1644
79c6c70c
JH		 1645 if (!conn)
1646 goto unlock;
1647
1648 if (!hci_outgoing_auth_needed(hdev, conn))
1649 goto unlock;
1650
51a8efd7 1651 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1652 struct hci_cp_auth_requested auth_cp;
1653
1654 auth_cp.handle = __cpu_to_le16(conn->handle);
1655 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1656 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1657 }
1658
79c6c70c 1659unlock:
127178d2 1660 hci_dev_unlock(hdev);
a9de9248 1661}
1da177e4 1662
769be974
MH		 1663static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1664{
1665 struct hci_cp_read_remote_features *cp;
1666 struct hci_conn *conn;
1667
9f1db00c 1668 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1669
1670 if (!status)
1671 return;
1672
1673 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1674 if (!cp)
1675 return;
1676
1677 hci_dev_lock(hdev);
1678
1679 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1680 if (conn) {
1681 if (conn->state == BT_CONFIG) {
769be974 1682 hci_proto_connect_cfm(conn, status);
76a68ba0 1683 hci_conn_drop(conn);
769be974
MH		 1684 }
1685 }
1686
1687 hci_dev_unlock(hdev);
1688}
1689
1690static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1691{
1692 struct hci_cp_read_remote_ext_features *cp;
1693 struct hci_conn *conn;
1694
9f1db00c 1695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1696
1697 if (!status)
1698 return;
1699
1700 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1701 if (!cp)
1702 return;
1703
1704 hci_dev_lock(hdev);
1705
1706 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1707 if (conn) {
1708 if (conn->state == BT_CONFIG) {
769be974 1709 hci_proto_connect_cfm(conn, status);
76a68ba0 1710 hci_conn_drop(conn);
769be974
MH		 1711 }
1712 }
1713
1714 hci_dev_unlock(hdev);
1715}
1716
a9de9248
MH		 1717static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1718{
b6a0dc82
MH		 1719 struct hci_cp_setup_sync_conn *cp;
1720 struct hci_conn *acl, *sco;
1721 __u16 handle;
1722
9f1db00c 1723 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1724
1725 if (!status)
1726 return;
1727
1728 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1729 if (!cp)
1730 return;
1731
1732 handle = __le16_to_cpu(cp->handle);
1733
9f1db00c 1734 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1735
1736 hci_dev_lock(hdev);
1737
1738 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1739 if (acl) {
1740 sco = acl->link;
1741 if (sco) {
1742 sco->state = BT_CLOSED;
b6a0dc82 1743
5a08ecce
AE		 1744 hci_proto_connect_cfm(sco, status);
1745 hci_conn_del(sco);
1746 }
b6a0dc82
MH		 1747 }
1748
1749 hci_dev_unlock(hdev);
1da177e4
LT		 1750}
1751
a9de9248 1752static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1753{
a9de9248
MH		 1754 struct hci_cp_sniff_mode *cp;
1755 struct hci_conn *conn;
1da177e4 1756
9f1db00c 1757 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1758
a9de9248
MH		 1759 if (!status)
1760 return;
04837f64 1761
a9de9248
MH		 1762 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1763 if (!cp)
1764 return;
04837f64 1765
a9de9248 1766 hci_dev_lock(hdev);
04837f64 1767
a9de9248 1768 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1769 if (conn) {
51a8efd7 1770 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1771
51a8efd7 1772 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1773 hci_sco_setup(conn, status);
1774 }
1775
a9de9248
MH		 1776 hci_dev_unlock(hdev);
1777}
04837f64 1778
a9de9248
MH		 1779static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1780{
1781 struct hci_cp_exit_sniff_mode *cp;
1782 struct hci_conn *conn;
04837f64 1783
9f1db00c 1784 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1785
a9de9248
MH		 1786 if (!status)
1787 return;
04837f64 1788
a9de9248
MH		 1789 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1790 if (!cp)
1791 return;
04837f64 1792
a9de9248 1793 hci_dev_lock(hdev);
1da177e4 1794
a9de9248 1795 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1796 if (conn) {
51a8efd7 1797 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1798
51a8efd7 1799 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1800 hci_sco_setup(conn, status);
1801 }
1802
a9de9248 1803 hci_dev_unlock(hdev);
1da177e4
LT		 1804}
1805
88c3df13
JH		 1806static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1807{
1808 struct hci_cp_disconnect *cp;
1809 struct hci_conn *conn;
1810
1811 if (!status)
1812 return;
1813
1814 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1815 if (!cp)
1816 return;
1817
1818 hci_dev_lock(hdev);
1819
1820 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1821 if (conn)
1822 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1823 conn->dst_type, status);
88c3df13
JH		 1824
1825 hci_dev_unlock(hdev);
1826}
1827
a02226d6
AE		 1828static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1829{
93c284ee
AE		 1830 struct hci_cp_create_phy_link *cp;
1831
a02226d6 1832 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1833
93c284ee
AE		 1834 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1835 if (!cp)
1836 return;
1837
e58917b9
AE		 1838 hci_dev_lock(hdev);
1839
1840 if (status) {
1841 struct hci_conn *hcon;
1842
1843 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1844 if (hcon)
1845 hci_conn_del(hcon);
1846 } else {
1847 amp_write_remote_assoc(hdev, cp->phy_handle);
1848 }
1849
1850 hci_dev_unlock(hdev);
a02226d6
AE		 1851}
1852
0b26ab9d
AE		 1853static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1854{
1855 struct hci_cp_accept_phy_link *cp;
1856
1857 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1858
1859 if (status)
1860 return;
1861
1862 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1863 if (!cp)
1864 return;
1865
1866 amp_write_remote_assoc(hdev, cp->phy_handle);
1867}
1868
cb1d68f7
JH		 1869static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1870{
1871 struct hci_cp_le_create_conn *cp;
1872 struct hci_conn *conn;
1873
1874 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1875
1876 /* All connection failure handling is taken care of by the
1877 * hci_le_conn_failed function which is triggered by the HCI
1878 * request completion callbacks used for connecting.
1879 */
1880 if (status)
1881 return;
1882
1883 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1884 if (!cp)
1885 return;
1886
1887 hci_dev_lock(hdev);
1888
1889 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1890 if (!conn)
1891 goto unlock;
1892
1893 /* Store the initiator and responder address information which
1894 * is needed for SMP. These values will not change during the
1895 * lifetime of the connection.
1896 */
1897 conn->init_addr_type = cp->own_address_type;
1898 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1899 bacpy(&conn->init_addr, &hdev->random_addr);
1900 else
1901 bacpy(&conn->init_addr, &hdev->bdaddr);
1902
1903 conn->resp_addr_type = cp->peer_addr_type;
1904 bacpy(&conn->resp_addr, &cp->peer_addr);
1905
9489eca4
JH		 1906 /* We don't want the connection attempt to stick around
1907 * indefinitely since LE doesn't have a page timeout concept
1908 * like BR/EDR. Set a timer for any connection that doesn't use
1909 * the white list for connecting.
1910 */
1911 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1912 queue_delayed_work(conn->hdev->workqueue,
1913 &conn->le_conn_timeout,
09ae260b 1914 conn->conn_timeout);
9489eca4 1915
cb1d68f7
JH		 1916unlock:
1917 hci_dev_unlock(hdev);
1918}
1919
81d0c8ad
JH		 1920static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1921{
1922 struct hci_cp_le_start_enc *cp;
1923 struct hci_conn *conn;
1924
1925 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1926
1927 if (!status)
1928 return;
1929
1930 hci_dev_lock(hdev);
1931
1932 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1933 if (!cp)
1934 goto unlock;
1935
1936 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1937 if (!conn)
1938 goto unlock;
1939
1940 if (conn->state != BT_CONNECTED)
1941 goto unlock;
1942
1943 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1944 hci_conn_drop(conn);
1945
1946unlock:
1947 hci_dev_unlock(hdev);
1948}
1949
6039aa73 1950static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1951{
1952 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1953 struct discovery_state *discov = &hdev->discovery;
1954 struct inquiry_entry *e;
1da177e4 1955
9f1db00c 1956 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1957
a9de9248 1958 hci_conn_check_pending(hdev);
89352e7d
AG		 1959
1960 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1961 return;
1962
4e857c58 1963 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1964 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1965
a8b2d5c2 1966 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1967 return;
1968
56e5cb86 1969 hci_dev_lock(hdev);
30dc78e1 1970
343f935b 1971 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1972 goto unlock;
1973
1974 if (list_empty(&discov->resolve)) {
1975 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1976 goto unlock;
1977 }
1978
1979 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1980 if (e && hci_resolve_name(hdev, e) == 0) {
1981 e->name_state = NAME_PENDING;
1982 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1983 } else {
1984 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1985 }
1986
1987unlock:
56e5cb86 1988 hci_dev_unlock(hdev);
1da177e4
LT		 1989}
1990
6039aa73 1991static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1992{
45bb4bf0 1993 struct inquiry_data data;
a9de9248 1994 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1995 int num_rsp = *((__u8 *) skb->data);
1996
1997 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1998
45bb4bf0
MH		 1999 if (!num_rsp)
2000 return;
2001
1519cc17
AG		 2002 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2003 return;
2004
1da177e4 2005 hci_dev_lock(hdev);
45bb4bf0 2006
e17acd40 2007 for (; num_rsp; num_rsp--, info++) {
af58925c 2008 u32 flags;
3175405b 2009
1da177e4
LT		 2010 bacpy(&data.bdaddr, &info->bdaddr);
2011 data.pscan_rep_mode = info->pscan_rep_mode;
2012 data.pscan_period_mode = info->pscan_period_mode;
2013 data.pscan_mode = info->pscan_mode;
2014 memcpy(data.dev_class, info->dev_class, 3);
2015 data.clock_offset = info->clock_offset;
2016 data.rssi = 0x00;
41a96212 2017 data.ssp_mode = 0x00;
3175405b 2018
af58925c
MH		 2019 flags = hci_inquiry_cache_update(hdev, &data, false);
2020
48264f06 2021 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2022 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2023 }
45bb4bf0 2024
1da177e4
LT		 2025 hci_dev_unlock(hdev);
2026}
2027
6039aa73 2028static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2029{
a9de9248
MH		 2030 struct hci_ev_conn_complete *ev = (void *) skb->data;
2031 struct hci_conn *conn;
1da177e4
LT		 2032
2033 BT_DBG("%s", hdev->name);
2034
2035 hci_dev_lock(hdev);
2036
2037 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2038 if (!conn) {
2039 if (ev->link_type != SCO_LINK)
2040 goto unlock;
2041
2042 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2043 if (!conn)
2044 goto unlock;
2045
2046 conn->type = SCO_LINK;
2047 }
1da177e4
LT		 2048
2049 if (!ev->status) {
2050 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2051
2052 if (conn->type == ACL_LINK) {
2053 conn->state = BT_CONFIG;
2054 hci_conn_hold(conn);
a9ea3ed9
SJ		 2055
2056 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2057 !hci_find_link_key(hdev, &ev->bdaddr))
2058 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2059 else
2060 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2061 } else
2062 conn->state = BT_CONNECTED;
1da177e4 2063
7d0db0a3
MH		 2064 hci_conn_add_sysfs(conn);
2065
1da177e4 2066 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2067 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2068
2069 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2070 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2071
04837f64
MH		 2072 /* Get remote features */
2073 if (conn->type == ACL_LINK) {
2074 struct hci_cp_read_remote_features cp;
2075 cp.handle = ev->handle;
769be974 2076 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2077 sizeof(cp), &cp);
04837f64
MH		 2078 }
2079
1da177e4 2080 /* Set packet type for incoming connection */
d095c1eb 2081 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2082 struct hci_cp_change_conn_ptype cp;
2083 cp.handle = ev->handle;
a8746417 2084 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2085 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2086 &cp);
1da177e4 2087 }
17d5c04c 2088 } else {
1da177e4 2089 conn->state = BT_CLOSED;
17d5c04c 2090 if (conn->type == ACL_LINK)
64c7b77c 2091 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2092 conn->dst_type, ev->status);
17d5c04c 2093 }
1da177e4 2094
e73439d8
MH		 2095 if (conn->type == ACL_LINK)
2096 hci_sco_setup(conn, ev->status);
1da177e4 2097
769be974
MH		 2098 if (ev->status) {
2099 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2100 hci_conn_del(conn);
c89b6e6b
MH		 2101 } else if (ev->link_type != ACL_LINK)
2102 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2103
a9de9248 2104unlock:
1da177e4 2105 hci_dev_unlock(hdev);
1da177e4 2106
a9de9248 2107 hci_conn_check_pending(hdev);
1da177e4
LT		 2108}
2109
70c46425
JH		 2110static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2111{
2112 struct hci_cp_reject_conn_req cp;
2113
2114 bacpy(&cp.bdaddr, bdaddr);
2115 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2116 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2117}
2118
6039aa73 2119static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2120{
a9de9248
MH		 2121 struct hci_ev_conn_request *ev = (void *) skb->data;
2122 int mask = hdev->link_mode;
70c46425
JH		 2123 struct inquiry_entry *ie;
2124 struct hci_conn *conn;
20714bfe 2125 __u8 flags = 0;
1da177e4 2126
6ed93dc6 2127 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2128 ev->link_type);
1da177e4 2129
20714bfe
FD		 2130 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2131 &flags);
1da177e4 2132
70c46425
JH		 2133 if (!(mask & HCI_LM_ACCEPT)) {
2134 hci_reject_conn(hdev, &ev->bdaddr);
2135 return;
2136 }
2137
a55bd29d
JH		 2138 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
2139 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2140 BDADDR_BREDR)) {
2141 hci_reject_conn(hdev, &ev->bdaddr);
2142 return;
2143 }
2144 } else {
2145 if (!hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2146 BDADDR_BREDR)) {
2147 hci_reject_conn(hdev, &ev->bdaddr);
2148 return;
2149 }
70c46425 2150 }
1da177e4 2151
70c46425 2152 /* Connection accepted */
b6a0dc82 2153
70c46425
JH		 2154 hci_dev_lock(hdev);
2155
2156 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2157 if (ie)
2158 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2159
70c46425
JH		 2160 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2161 &ev->bdaddr);
2162 if (!conn) {
2163 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
a9de9248 2164 if (!conn) {
70c46425
JH		 2165 BT_ERR("No memory for new connection");
2166 hci_dev_unlock(hdev);
2167 return;
1da177e4 2168 }
70c46425 2169 }
b6a0dc82 2170
70c46425 2171 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2172
70c46425 2173 hci_dev_unlock(hdev);
1da177e4 2174
70c46425
JH		 2175 if (ev->link_type == ACL_LINK ||
2176 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2177 struct hci_cp_accept_conn_req cp;
2178 conn->state = BT_CONNECT;
1da177e4 2179
70c46425 2180 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2181
70c46425
JH		 2182 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2183 cp.role = 0x00; /* Become master */
2184 else
2185 cp.role = 0x01; /* Remain slave */
b6a0dc82 2186
70c46425
JH		 2187 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2188 } else if (!(flags & HCI_PROTO_DEFER)) {
2189 struct hci_cp_accept_sync_conn_req cp;
2190 conn->state = BT_CONNECT;
b6a0dc82 2191
70c46425
JH		 2192 bacpy(&cp.bdaddr, &ev->bdaddr);
2193 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2194
70c46425
JH		 2195 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2196 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2197 cp.max_latency = cpu_to_le16(0xffff);
2198 cp.content_format = cpu_to_le16(hdev->voice_setting);
2199 cp.retrans_effort = 0xff;
1da177e4 2200
70c46425
JH		 2201 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2202 &cp);
a9de9248 2203 } else {
70c46425
JH		 2204 conn->state = BT_CONNECT2;
2205 hci_proto_connect_cfm(conn, 0);
1da177e4 2206 }
1da177e4
LT		 2207}
2208
f0d6a0ea
MA		 2209static u8 hci_to_mgmt_reason(u8 err)
2210{
2211 switch (err) {
2212 case HCI_ERROR_CONNECTION_TIMEOUT:
2213 return MGMT_DEV_DISCONN_TIMEOUT;
2214 case HCI_ERROR_REMOTE_USER_TERM:
2215 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2216 case HCI_ERROR_REMOTE_POWER_OFF:
2217 return MGMT_DEV_DISCONN_REMOTE;
2218 case HCI_ERROR_LOCAL_HOST_TERM:
2219 return MGMT_DEV_DISCONN_LOCAL_HOST;
2220 default:
2221 return MGMT_DEV_DISCONN_UNKNOWN;
2222 }
2223}
2224
6039aa73 2225static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2226{
a9de9248 2227 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2228 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2229 struct hci_conn_params *params;
04837f64 2230 struct hci_conn *conn;
12d4a3b2 2231 bool mgmt_connected;
3846220b 2232 u8 type;
04837f64 2233
9f1db00c 2234 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2235
2236 hci_dev_lock(hdev);
2237
2238 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2239 if (!conn)
2240 goto unlock;
7d0db0a3 2241
abf54a50
AG		 2242 if (ev->status) {
2243 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2244 conn->dst_type, ev->status);
2245 goto unlock;
37d9ef76 2246 }
f7520543 2247
3846220b
AG		 2248 conn->state = BT_CLOSED;
2249
12d4a3b2
JH		 2250 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2251 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2252 reason, mgmt_connected);
abf54a50 2253
af6a9c32
JH		 2254 if (conn->type == ACL_LINK &&
2255 test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
3846220b 2256 hci_remove_link_key(hdev, &conn->dst);
2210246c 2257
9fcb18ef
AG		 2258 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2259 if (params) {
2260 switch (params->auto_connect) {
2261 case HCI_AUTO_CONN_LINK_LOSS:
2262 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2263 break;
2264 /* Fall through */
2265
2266 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2267 list_del_init(&params->action);
2268 list_add(&params->action, &hdev->pend_le_conns);
2269 hci_update_background_scan(hdev);
9fcb18ef
AG		 2270 break;
2271
2272 default:
2273 break;
2274 }
2275 }
2276
3846220b 2277 type = conn->type;
2210246c 2278
3846220b
AG		 2279 hci_proto_disconn_cfm(conn, ev->reason);
2280 hci_conn_del(conn);
2281
2282 /* Re-enable advertising if necessary, since it might
2283 * have been disabled by the connection. From the
2284 * HCI_LE_Set_Advertise_Enable command description in
2285 * the core specification (v4.0):
2286 * "The Controller shall continue advertising until the Host
2287 * issues an LE_Set_Advertise_Enable command with
2288 * Advertising_Enable set to 0x00 (Advertising is disabled)
2289 * or until a connection is created or until the Advertising
2290 * is timed out due to Directed Advertising."
2291 */
2292 if (type == LE_LINK)
2293 mgmt_reenable_advertising(hdev);
f7520543
JH		 2294
2295unlock:
04837f64
MH		 2296 hci_dev_unlock(hdev);
2297}
2298
6039aa73 2299static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2300{
a9de9248 2301 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2302 struct hci_conn *conn;
1da177e4 2303
9f1db00c 2304 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2305
2306 hci_dev_lock(hdev);
2307
04837f64 2308 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2309 if (!conn)
2310 goto unlock;
2311
2312 if (!ev->status) {
aa64a8b5 2313 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2314 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2315 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2316 } else {
4dae2798 2317 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2318 conn->sec_level = conn->pending_sec_level;
2a611692 2319 }
d7556e20 2320 } else {
bab73cb6 2321 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 2322 ev->status);
d7556e20 2323 }
1da177e4 2324
51a8efd7
JH		 2325 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2326 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2327
d7556e20 2328 if (conn->state == BT_CONFIG) {
aa64a8b5 2329 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2330 struct hci_cp_set_conn_encrypt cp;
2331 cp.handle = ev->handle;
2332 cp.encrypt = 0x01;
2333 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2334 &cp);
052b30b0 2335 } else {
d7556e20
WR		 2336 conn->state = BT_CONNECTED;
2337 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2338 hci_conn_drop(conn);
052b30b0 2339 }
d7556e20
WR		 2340 } else {
2341 hci_auth_cfm(conn, ev->status);
052b30b0 2342
d7556e20
WR		 2343 hci_conn_hold(conn);
2344 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2345 hci_conn_drop(conn);
d7556e20
WR		 2346 }
2347
51a8efd7 2348 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2349 if (!ev->status) {
2350 struct hci_cp_set_conn_encrypt cp;
2351 cp.handle = ev->handle;
2352 cp.encrypt = 0x01;
2353 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2354 &cp);
d7556e20 2355 } else {
51a8efd7 2356 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2357 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2358 }
2359 }
2360
d7556e20 2361unlock:
1da177e4
LT		 2362 hci_dev_unlock(hdev);
2363}
2364
6039aa73 2365static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2366{
127178d2
JH		 2367 struct hci_ev_remote_name *ev = (void *) skb->data;
2368 struct hci_conn *conn;
2369
a9de9248 2370 BT_DBG("%s", hdev->name);
1da177e4 2371
a9de9248 2372 hci_conn_check_pending(hdev);
127178d2
JH		 2373
2374 hci_dev_lock(hdev);
2375
b644ba33 2376 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2377
b644ba33
JH		 2378 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2379 goto check_auth;
a88a9652 2380
b644ba33
JH		 2381 if (ev->status == 0)
2382 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2383 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2384 else
2385 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2386
2387check_auth:
79c6c70c
JH		 2388 if (!conn)
2389 goto unlock;
2390
2391 if (!hci_outgoing_auth_needed(hdev, conn))
2392 goto unlock;
2393
51a8efd7 2394 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH		 2395 struct hci_cp_auth_requested cp;
2396 cp.handle = __cpu_to_le16(conn->handle);
2397 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2398 }
2399
79c6c70c 2400unlock:
127178d2 2401 hci_dev_unlock(hdev);
a9de9248
MH		 2402}
2403
6039aa73 2404static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2405{
2406 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2407 struct hci_conn *conn;
2408
9f1db00c 2409 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2410
2411 hci_dev_lock(hdev);
2412
04837f64 2413 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2414 if (!conn)
2415 goto unlock;
1da177e4 2416
dc8357cc
MH		 2417 if (!ev->status) {
2418 if (ev->encrypt) {
2419 /* Encryption implies authentication */
4dae2798
JH		 2420 set_bit(HCI_CONN_AUTH, &conn->flags);
2421 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2422 conn->sec_level = conn->pending_sec_level;
abf76bad 2423
914a6ffe
MH		 2424 /* P-256 authentication key implies FIPS */
2425 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2426 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2427
abf76bad
MH		 2428 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2429 conn->type == LE_LINK)
2430 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2431 } else {
4dae2798 2432 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2433 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2434 }
dc8357cc 2435 }
a7d7723a 2436
dc8357cc 2437 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2438
dc8357cc
MH		 2439 if (ev->status && conn->state == BT_CONNECTED) {
2440 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2441 hci_conn_drop(conn);
2442 goto unlock;
1da177e4
LT		 2443 }
2444
dc8357cc
MH		 2445 if (conn->state == BT_CONFIG) {
2446 if (!ev->status)
2447 conn->state = BT_CONNECTED;
2448
40b552aa
MH		 2449 /* In Secure Connections Only mode, do not allow any
2450 * connections that are not encrypted with AES-CCM
2451 * using a P-256 authenticated combination key.
2452 */
2453 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2454 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2455 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2456 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2457 hci_conn_drop(conn);
2458 goto unlock;
2459 }
2460
dc8357cc
MH		 2461 hci_proto_connect_cfm(conn, ev->status);
2462 hci_conn_drop(conn);
2463 } else
2464 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2465
a7d7723a 2466unlock:
1da177e4
LT		 2467 hci_dev_unlock(hdev);
2468}
2469
6039aa73
GP		 2470static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2471 struct sk_buff *skb)
1da177e4 2472{
a9de9248 2473 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2474 struct hci_conn *conn;
1da177e4 2475
9f1db00c 2476 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2477
2478 hci_dev_lock(hdev);
2479
04837f64 2480 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2481 if (conn) {
2482 if (!ev->status)
4dae2798 2483 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2484
51a8efd7 2485 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2486
2487 hci_key_change_cfm(conn, ev->status);
2488 }
2489
2490 hci_dev_unlock(hdev);
2491}
2492
6039aa73
GP		 2493static void hci_remote_features_evt(struct hci_dev *hdev,
2494 struct sk_buff *skb)
1da177e4 2495{
a9de9248
MH		 2496 struct hci_ev_remote_features *ev = (void *) skb->data;
2497 struct hci_conn *conn;
2498
9f1db00c 2499 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2500
a9de9248
MH		 2501 hci_dev_lock(hdev);
2502
2503 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2504 if (!conn)
2505 goto unlock;
769be974 2506
ccd556fe 2507 if (!ev->status)
cad718ed 2508 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2509
2510 if (conn->state != BT_CONFIG)
2511 goto unlock;
2512
2513 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2514 struct hci_cp_read_remote_ext_features cp;
2515 cp.handle = ev->handle;
2516 cp.page = 0x01;
2517 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2518 sizeof(cp), &cp);
392599b9
JH		 2519 goto unlock;
2520 }
2521
671267bf 2522 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2523 struct hci_cp_remote_name_req cp;
2524 memset(&cp, 0, sizeof(cp));
2525 bacpy(&cp.bdaddr, &conn->dst);
2526 cp.pscan_rep_mode = 0x02;
2527 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2528 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2529 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2530 conn->dst_type, 0, NULL, 0,
2531 conn->dev_class);
392599b9 2532
127178d2 2533 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2534 conn->state = BT_CONNECTED;
2535 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2536 hci_conn_drop(conn);
769be974 2537 }
a9de9248 2538
ccd556fe 2539unlock:
a9de9248 2540 hci_dev_unlock(hdev);
1da177e4
LT		 2541}
2542
6039aa73 2543static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2544{
2545 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2546 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2547 __u16 opcode;
2548
2549 skb_pull(skb, sizeof(*ev));
2550
2551 opcode = __le16_to_cpu(ev->opcode);
2552
2553 switch (opcode) {
2554 case HCI_OP_INQUIRY_CANCEL:
2555 hci_cc_inquiry_cancel(hdev, skb);
2556 break;
2557
4d93483b
AG		 2558 case HCI_OP_PERIODIC_INQ:
2559 hci_cc_periodic_inq(hdev, skb);
2560 break;
2561
a9de9248
MH		 2562 case HCI_OP_EXIT_PERIODIC_INQ:
2563 hci_cc_exit_periodic_inq(hdev, skb);
2564 break;
2565
2566 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2567 hci_cc_remote_name_req_cancel(hdev, skb);
2568 break;
2569
2570 case HCI_OP_ROLE_DISCOVERY:
2571 hci_cc_role_discovery(hdev, skb);
2572 break;
2573
e4e8e37c
MH		 2574 case HCI_OP_READ_LINK_POLICY:
2575 hci_cc_read_link_policy(hdev, skb);
2576 break;
2577
a9de9248
MH		 2578 case HCI_OP_WRITE_LINK_POLICY:
2579 hci_cc_write_link_policy(hdev, skb);
2580 break;
2581
e4e8e37c
MH		 2582 case HCI_OP_READ_DEF_LINK_POLICY:
2583 hci_cc_read_def_link_policy(hdev, skb);
2584 break;
2585
2586 case HCI_OP_WRITE_DEF_LINK_POLICY:
2587 hci_cc_write_def_link_policy(hdev, skb);
2588 break;
2589
a9de9248
MH		 2590 case HCI_OP_RESET:
2591 hci_cc_reset(hdev, skb);
2592 break;
2593
2594 case HCI_OP_WRITE_LOCAL_NAME:
2595 hci_cc_write_local_name(hdev, skb);
2596 break;
2597
2598 case HCI_OP_READ_LOCAL_NAME:
2599 hci_cc_read_local_name(hdev, skb);
2600 break;
2601
2602 case HCI_OP_WRITE_AUTH_ENABLE:
2603 hci_cc_write_auth_enable(hdev, skb);
2604 break;
2605
2606 case HCI_OP_WRITE_ENCRYPT_MODE:
2607 hci_cc_write_encrypt_mode(hdev, skb);
2608 break;
2609
2610 case HCI_OP_WRITE_SCAN_ENABLE:
2611 hci_cc_write_scan_enable(hdev, skb);
2612 break;
2613
2614 case HCI_OP_READ_CLASS_OF_DEV:
2615 hci_cc_read_class_of_dev(hdev, skb);
2616 break;
2617
2618 case HCI_OP_WRITE_CLASS_OF_DEV:
2619 hci_cc_write_class_of_dev(hdev, skb);
2620 break;
2621
2622 case HCI_OP_READ_VOICE_SETTING:
2623 hci_cc_read_voice_setting(hdev, skb);
2624 break;
2625
2626 case HCI_OP_WRITE_VOICE_SETTING:
2627 hci_cc_write_voice_setting(hdev, skb);
2628 break;
2629
b4cb9fb2
MH		 2630 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2631 hci_cc_read_num_supported_iac(hdev, skb);
2632 break;
2633
333140b5
MH		 2634 case HCI_OP_WRITE_SSP_MODE:
2635 hci_cc_write_ssp_mode(hdev, skb);
2636 break;
2637
eac83dc6
MH		 2638 case HCI_OP_WRITE_SC_SUPPORT:
2639 hci_cc_write_sc_support(hdev, skb);
2640 break;
2641
a9de9248
MH		 2642 case HCI_OP_READ_LOCAL_VERSION:
2643 hci_cc_read_local_version(hdev, skb);
2644 break;
2645
2646 case HCI_OP_READ_LOCAL_COMMANDS:
2647 hci_cc_read_local_commands(hdev, skb);
2648 break;
2649
2650 case HCI_OP_READ_LOCAL_FEATURES:
2651 hci_cc_read_local_features(hdev, skb);
2652 break;
2653
971e3a4b
AG		 2654 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2655 hci_cc_read_local_ext_features(hdev, skb);
2656 break;
2657
a9de9248
MH		 2658 case HCI_OP_READ_BUFFER_SIZE:
2659 hci_cc_read_buffer_size(hdev, skb);
2660 break;
2661
2662 case HCI_OP_READ_BD_ADDR:
2663 hci_cc_read_bd_addr(hdev, skb);
2664 break;
2665
f332ec66
JH		 2666 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2667 hci_cc_read_page_scan_activity(hdev, skb);
2668 break;
2669
4a3ee763
JH		 2670 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2671 hci_cc_write_page_scan_activity(hdev, skb);
2672 break;
2673
f332ec66
JH		 2674 case HCI_OP_READ_PAGE_SCAN_TYPE:
2675 hci_cc_read_page_scan_type(hdev, skb);
2676 break;
2677
4a3ee763
JH		 2678 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2679 hci_cc_write_page_scan_type(hdev, skb);
2680 break;
2681
350ee4cf
AE		 2682 case HCI_OP_READ_DATA_BLOCK_SIZE:
2683 hci_cc_read_data_block_size(hdev, skb);
2684 break;
2685
1e89cffb
AE		 2686 case HCI_OP_READ_FLOW_CONTROL_MODE:
2687 hci_cc_read_flow_control_mode(hdev, skb);
2688 break;
2689
928abaa7
AE		 2690 case HCI_OP_READ_LOCAL_AMP_INFO:
2691 hci_cc_read_local_amp_info(hdev, skb);
2692 break;
2693
33f35721
JH		 2694 case HCI_OP_READ_CLOCK:
2695 hci_cc_read_clock(hdev, skb);
2696 break;
2697
903e4541
AE		 2698 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2699 hci_cc_read_local_amp_assoc(hdev, skb);
2700 break;
2701
d5859e22
JH		 2702 case HCI_OP_READ_INQ_RSP_TX_POWER:
2703 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2704 break;
2705
980e1a53
JH		 2706 case HCI_OP_PIN_CODE_REPLY:
2707 hci_cc_pin_code_reply(hdev, skb);
2708 break;
2709
2710 case HCI_OP_PIN_CODE_NEG_REPLY:
2711 hci_cc_pin_code_neg_reply(hdev, skb);
2712 break;
2713
c35938b2 2714 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2715 hci_cc_read_local_oob_data(hdev, skb);
2716 break;
2717
2718 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2719 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2720 break;
2721
6ed58ec5
VT		 2722 case HCI_OP_LE_READ_BUFFER_SIZE:
2723 hci_cc_le_read_buffer_size(hdev, skb);
2724 break;
2725
60e77321
JH		 2726 case HCI_OP_LE_READ_LOCAL_FEATURES:
2727 hci_cc_le_read_local_features(hdev, skb);
2728 break;
2729
8fa19098
JH		 2730 case HCI_OP_LE_READ_ADV_TX_POWER:
2731 hci_cc_le_read_adv_tx_power(hdev, skb);
2732 break;
2733
a5c29683
JH		 2734 case HCI_OP_USER_CONFIRM_REPLY:
2735 hci_cc_user_confirm_reply(hdev, skb);
2736 break;
2737
2738 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2739 hci_cc_user_confirm_neg_reply(hdev, skb);
2740 break;
2741
1143d458
BG		 2742 case HCI_OP_USER_PASSKEY_REPLY:
2743 hci_cc_user_passkey_reply(hdev, skb);
2744 break;
2745
2746 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2747 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2748 break;
07f7fa5d 2749
7a4cd51d
MH		 2750 case HCI_OP_LE_SET_RANDOM_ADDR:
2751 hci_cc_le_set_random_addr(hdev, skb);
2752 break;
2753
c1d5dc4a
JH		 2754 case HCI_OP_LE_SET_ADV_ENABLE:
2755 hci_cc_le_set_adv_enable(hdev, skb);
2756 break;
2757
533553f8
MH		 2758 case HCI_OP_LE_SET_SCAN_PARAM:
2759 hci_cc_le_set_scan_param(hdev, skb);
2760 break;
2761
eb9d91f5
AG		 2762 case HCI_OP_LE_SET_SCAN_ENABLE:
2763 hci_cc_le_set_scan_enable(hdev, skb);
2764 break;
2765
cf1d081f
JH		 2766 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2767 hci_cc_le_read_white_list_size(hdev, skb);
2768 break;
2769
0f36b589
MH		 2770 case HCI_OP_LE_CLEAR_WHITE_LIST:
2771 hci_cc_le_clear_white_list(hdev, skb);
2772 break;
2773
2774 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2775 hci_cc_le_add_to_white_list(hdev, skb);
2776 break;
2777
2778 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2779 hci_cc_le_del_from_white_list(hdev, skb);
2780 break;
2781
9b008c04
JH		 2782 case HCI_OP_LE_READ_SUPPORTED_STATES:
2783 hci_cc_le_read_supported_states(hdev, skb);
2784 break;
2785
f9b49306
AG		 2786 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2787 hci_cc_write_le_host_supported(hdev, skb);
2788 break;
2789
56ed2cb8
JH		 2790 case HCI_OP_LE_SET_ADV_PARAM:
2791 hci_cc_set_adv_param(hdev, skb);
2792 break;
2793
93c284ee
AE		 2794 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2795 hci_cc_write_remote_amp_assoc(hdev, skb);
2796 break;
2797
5ae76a94
AK		 2798 case HCI_OP_READ_RSSI:
2799 hci_cc_read_rssi(hdev, skb);
2800 break;
2801
5a134fae
AK		 2802 case HCI_OP_READ_TX_POWER:
2803 hci_cc_read_tx_power(hdev, skb);
2804 break;
2805
a9de9248 2806 default:
9f1db00c 2807 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2808 break;
2809 }
2810
ad82cdd1 2811 if (opcode != HCI_OP_NOP)
65cc2b49 2812 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2813
ad82cdd1 2814 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2815
dbccd791 2816 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2817 atomic_set(&hdev->cmd_cnt, 1);
2818 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2819 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2820 }
2821}
2822
6039aa73 2823static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2824{
2825 struct hci_ev_cmd_status *ev = (void *) skb->data;
2826 __u16 opcode;
2827
2828 skb_pull(skb, sizeof(*ev));
2829
2830 opcode = __le16_to_cpu(ev->opcode);
2831
2832 switch (opcode) {
2833 case HCI_OP_INQUIRY:
2834 hci_cs_inquiry(hdev, ev->status);
2835 break;
2836
2837 case HCI_OP_CREATE_CONN:
2838 hci_cs_create_conn(hdev, ev->status);
2839 break;
2840
2841 case HCI_OP_ADD_SCO:
2842 hci_cs_add_sco(hdev, ev->status);
2843 break;
2844
f8558555
MH		 2845 case HCI_OP_AUTH_REQUESTED:
2846 hci_cs_auth_requested(hdev, ev->status);
2847 break;
2848
2849 case HCI_OP_SET_CONN_ENCRYPT:
2850 hci_cs_set_conn_encrypt(hdev, ev->status);
2851 break;
2852
a9de9248
MH		 2853 case HCI_OP_REMOTE_NAME_REQ:
2854 hci_cs_remote_name_req(hdev, ev->status);
2855 break;
2856
769be974
MH		 2857 case HCI_OP_READ_REMOTE_FEATURES:
2858 hci_cs_read_remote_features(hdev, ev->status);
2859 break;
2860
2861 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2862 hci_cs_read_remote_ext_features(hdev, ev->status);
2863 break;
2864
a9de9248
MH		 2865 case HCI_OP_SETUP_SYNC_CONN:
2866 hci_cs_setup_sync_conn(hdev, ev->status);
2867 break;
2868
2869 case HCI_OP_SNIFF_MODE:
2870 hci_cs_sniff_mode(hdev, ev->status);
2871 break;
2872
2873 case HCI_OP_EXIT_SNIFF_MODE:
2874 hci_cs_exit_sniff_mode(hdev, ev->status);
2875 break;
2876
8962ee74 2877 case HCI_OP_DISCONNECT:
88c3df13 2878 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2879 break;
2880
a02226d6
AE		 2881 case HCI_OP_CREATE_PHY_LINK:
2882 hci_cs_create_phylink(hdev, ev->status);
2883 break;
2884
0b26ab9d
AE		 2885 case HCI_OP_ACCEPT_PHY_LINK:
2886 hci_cs_accept_phylink(hdev, ev->status);
2887 break;
2888
cb1d68f7
JH		 2889 case HCI_OP_LE_CREATE_CONN:
2890 hci_cs_le_create_conn(hdev, ev->status);
2891 break;
2892
81d0c8ad
JH		 2893 case HCI_OP_LE_START_ENC:
2894 hci_cs_le_start_enc(hdev, ev->status);
2895 break;
2896
a9de9248 2897 default:
9f1db00c 2898 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2899 break;
2900 }
2901
ad82cdd1 2902 if (opcode != HCI_OP_NOP)
65cc2b49 2903 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2904
02350a72
JH		 2905 if (ev->status ||
2906 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2907 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2908
10572132 2909 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2910 atomic_set(&hdev->cmd_cnt, 1);
2911 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2912 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2913 }
2914}
2915
6039aa73 2916static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2917{
2918 struct hci_ev_role_change *ev = (void *) skb->data;
2919 struct hci_conn *conn;
2920
9f1db00c 2921 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2922
2923 hci_dev_lock(hdev);
2924
2925 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2926 if (conn) {
2927 if (!ev->status) {
2928 if (ev->role)
4dae2798 2929 clear_bit(HCI_CONN_MASTER, &conn->flags);
a9de9248 2930 else
4dae2798 2931 set_bit(HCI_CONN_MASTER, &conn->flags);
a9de9248
MH		 2932 }
2933
51a8efd7 2934 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2935
2936 hci_role_switch_cfm(conn, ev->status, ev->role);
2937 }
2938
2939 hci_dev_unlock(hdev);
2940}
2941
6039aa73 2942static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2943{
2944 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2945 int i;
2946
32ac5b9b
AE		 2947 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2948 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2949 return;
2950 }
2951
c5993de8 2952 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2953 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2954 BT_DBG("%s bad parameters", hdev->name);
2955 return;
2956 }
2957
c5993de8
AE		 2958 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2959
613a1c0c
AE		 2960 for (i = 0; i < ev->num_hndl; i++) {
2961 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2962 struct hci_conn *conn;
2963 __u16 handle, count;
2964
613a1c0c
AE		 2965 handle = __le16_to_cpu(info->handle);
2966 count = __le16_to_cpu(info->count);
a9de9248
MH		 2967
2968 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2969 if (!conn)
2970 continue;
2971
2972 conn->sent -= count;
2973
2974 switch (conn->type) {
2975 case ACL_LINK:
2976 hdev->acl_cnt += count;
2977 if (hdev->acl_cnt > hdev->acl_pkts)
2978 hdev->acl_cnt = hdev->acl_pkts;
2979 break;
2980
2981 case LE_LINK:
2982 if (hdev->le_pkts) {
2983 hdev->le_cnt += count;
2984 if (hdev->le_cnt > hdev->le_pkts)
2985 hdev->le_cnt = hdev->le_pkts;
2986 } else {
70f23020
AE		 2987 hdev->acl_cnt += count;
2988 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2989 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2990 }
f4280918
AE		 2991 break;
2992
2993 case SCO_LINK:
2994 hdev->sco_cnt += count;
2995 if (hdev->sco_cnt > hdev->sco_pkts)
2996 hdev->sco_cnt = hdev->sco_pkts;
2997 break;
2998
2999 default:
3000 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3001 break;
a9de9248
MH		 3002 }
3003 }
3004
3eff45ea 3005 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 3006}
3007
76ef7cf7
AE		 3008static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
3009 __u16 handle)
3010{
3011 struct hci_chan *chan;
3012
3013 switch (hdev->dev_type) {
3014 case HCI_BREDR:
3015 return hci_conn_hash_lookup_handle(hdev, handle);
3016 case HCI_AMP:
3017 chan = hci_chan_lookup_handle(hdev, handle);
3018 if (chan)
3019 return chan->conn;
3020 break;
3021 default:
3022 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3023 break;
3024 }
3025
3026 return NULL;
3027}
3028
6039aa73 3029static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3030{
3031 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3032 int i;
3033
3034 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3035 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3036 return;
3037 }
3038
3039 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3040 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3041 BT_DBG("%s bad parameters", hdev->name);
3042 return;
3043 }
3044
3045 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3046 ev->num_hndl);
25e89e99
AE		 3047
3048 for (i = 0; i < ev->num_hndl; i++) {
3049 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3050 struct hci_conn *conn = NULL;
25e89e99
AE		 3051 __u16 handle, block_count;
3052
3053 handle = __le16_to_cpu(info->handle);
3054 block_count = __le16_to_cpu(info->blocks);
3055
76ef7cf7 3056 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3057 if (!conn)
3058 continue;
3059
3060 conn->sent -= block_count;
3061
3062 switch (conn->type) {
3063 case ACL_LINK:
bd1eb66b 3064 case AMP_LINK:
25e89e99
AE		 3065 hdev->block_cnt += block_count;
3066 if (hdev->block_cnt > hdev->num_blocks)
3067 hdev->block_cnt = hdev->num_blocks;
3068 break;
3069
3070 default:
3071 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3072 break;
3073 }
3074 }
3075
3076 queue_work(hdev->workqueue, &hdev->tx_work);
3077}
3078
6039aa73 3079static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3080{
a9de9248 3081 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3082 struct hci_conn *conn;
3083
9f1db00c 3084 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3085
3086 hci_dev_lock(hdev);
3087
3088 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3089 if (conn) {
3090 conn->mode = ev->mode;
a9de9248 3091
8fc9ced3
GP		 3092 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3093 &conn->flags)) {
a9de9248 3094 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3095 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3096 else
58a681ef 3097 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3098 }
e73439d8 3099
51a8efd7 3100 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3101 hci_sco_setup(conn, ev->status);
04837f64
MH		 3102 }
3103
3104 hci_dev_unlock(hdev);
3105}
3106
6039aa73 3107static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3108{
052b30b0
MH		 3109 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3110 struct hci_conn *conn;
3111
a9de9248 3112 BT_DBG("%s", hdev->name);
052b30b0
MH		 3113
3114 hci_dev_lock(hdev);
3115
3116 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3117 if (!conn)
3118 goto unlock;
3119
3120 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3121 hci_conn_hold(conn);
3122 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3123 hci_conn_drop(conn);
052b30b0
MH		 3124 }
3125
a8b2d5c2 3126 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 3127 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3128 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 3129 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3130 u8 secure;
3131
3132 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3133 secure = 1;
3134 else
3135 secure = 0;
3136
744cf19e 3137 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3138 }
980e1a53 3139
b6f98044 3140unlock:
052b30b0 3141 hci_dev_unlock(hdev);
a9de9248
MH		 3142}
3143
6039aa73 3144static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3145{
55ed8ca1
JH		 3146 struct hci_ev_link_key_req *ev = (void *) skb->data;
3147 struct hci_cp_link_key_reply cp;
3148 struct hci_conn *conn;
3149 struct link_key *key;
3150
a9de9248 3151 BT_DBG("%s", hdev->name);
55ed8ca1 3152
034cbea0 3153 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3154 return;
3155
3156 hci_dev_lock(hdev);
3157
3158 key = hci_find_link_key(hdev, &ev->bdaddr);
3159 if (!key) {
6ed93dc6
AE		 3160 BT_DBG("%s link key not found for %pMR", hdev->name,
3161 &ev->bdaddr);
55ed8ca1
JH		 3162 goto not_found;
3163 }
3164
6ed93dc6
AE		 3165 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3166 &ev->bdaddr);
55ed8ca1 3167
55ed8ca1 3168 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3169 if (conn) {
66138ce8
MH		 3170 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3171 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3172 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3173 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3174 goto not_found;
3175 }
55ed8ca1 3176
60b83f57 3177 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3178 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3179 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3180 BT_DBG("%s ignoring key unauthenticated for high security",
3181 hdev->name);
60b83f57
WR		 3182 goto not_found;
3183 }
3184
3185 conn->key_type = key->type;
3186 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3187 }
3188
3189 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3190 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3191
3192 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3193
3194 hci_dev_unlock(hdev);
3195
3196 return;
3197
3198not_found:
3199 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3200 hci_dev_unlock(hdev);
a9de9248
MH		 3201}
3202
6039aa73 3203static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3204{
052b30b0
MH		 3205 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3206 struct hci_conn *conn;
7652ff6a
JH		 3207 struct link_key *key;
3208 bool persistent;
55ed8ca1 3209 u8 pin_len = 0;
052b30b0 3210
a9de9248 3211 BT_DBG("%s", hdev->name);
052b30b0
MH		 3212
3213 hci_dev_lock(hdev);
3214
3215 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3216 if (conn) {
3217 hci_conn_hold(conn);
3218 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3219 pin_len = conn->pin_length;
13d39315
WR		 3220
3221 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3222 conn->key_type = ev->key_type;
3223
76a68ba0 3224 hci_conn_drop(conn);
052b30b0
MH		 3225 }
3226
7652ff6a
JH		 3227 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3228 goto unlock;
3229
3230 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3231 ev->key_type, pin_len, &persistent);
3232 if (!key)
3233 goto unlock;
3234
3235 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3236
6d5650c4
JH		 3237 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3238 * is set. If it's not set simply remove the key from the kernel
3239 * list (we've still notified user space about it but with
3240 * store_hint being 0).
3241 */
3242 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3243 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3244 list_del(&key->list);
3245 kfree(key);
3246 } else if (conn) {
af6a9c32
JH		 3247 if (persistent)
3248 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3249 else
3250 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3251 }
7652ff6a
JH		 3252
3253unlock:
052b30b0 3254 hci_dev_unlock(hdev);
a9de9248
MH		 3255}
3256
6039aa73 3257static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3258{
a9de9248 3259 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3260 struct hci_conn *conn;
1da177e4 3261
9f1db00c 3262 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3263
3264 hci_dev_lock(hdev);
3265
04837f64 3266 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3267 if (conn && !ev->status) {
3268 struct inquiry_entry *ie;
3269
cc11b9c1
AE		 3270 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3271 if (ie) {
1da177e4
LT		 3272 ie->data.clock_offset = ev->clock_offset;
3273 ie->timestamp = jiffies;
3274 }
3275 }
3276
3277 hci_dev_unlock(hdev);
3278}
3279
6039aa73 3280static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3281{
3282 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3283 struct hci_conn *conn;
3284
9f1db00c 3285 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3286
3287 hci_dev_lock(hdev);
3288
3289 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3290 if (conn && !ev->status)
3291 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3292
3293 hci_dev_unlock(hdev);
3294}
3295
6039aa73 3296static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3297{
a9de9248 3298 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3299 struct inquiry_entry *ie;
3300
3301 BT_DBG("%s", hdev->name);
3302
3303 hci_dev_lock(hdev);
3304
cc11b9c1
AE		 3305 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3306 if (ie) {
85a1e930
MH		 3307 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3308 ie->timestamp = jiffies;
3309 }
3310
3311 hci_dev_unlock(hdev);
3312}
3313
6039aa73
GP		 3314static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3315 struct sk_buff *skb)
a9de9248
MH		 3316{
3317 struct inquiry_data data;
3318 int num_rsp = *((__u8 *) skb->data);
3319
3320 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3321
3322 if (!num_rsp)
3323 return;
3324
1519cc17
AG		 3325 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3326 return;
3327
a9de9248
MH		 3328 hci_dev_lock(hdev);
3329
3330 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3331 struct inquiry_info_with_rssi_and_pscan_mode *info;
3332 info = (void *) (skb->data + 1);
a9de9248 3333
e17acd40 3334 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3335 u32 flags;
3336
a9de9248
MH		 3337 bacpy(&data.bdaddr, &info->bdaddr);
3338 data.pscan_rep_mode = info->pscan_rep_mode;
3339 data.pscan_period_mode = info->pscan_period_mode;
3340 data.pscan_mode = info->pscan_mode;
3341 memcpy(data.dev_class, info->dev_class, 3);
3342 data.clock_offset = info->clock_offset;
3343 data.rssi = info->rssi;
41a96212 3344 data.ssp_mode = 0x00;
3175405b 3345
af58925c
MH		 3346 flags = hci_inquiry_cache_update(hdev, &data, false);
3347
48264f06 3348 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3349 info->dev_class, info->rssi,
af58925c 3350 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3351 }
3352 } else {
3353 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3354
e17acd40 3355 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3356 u32 flags;
3357
a9de9248
MH		 3358 bacpy(&data.bdaddr, &info->bdaddr);
3359 data.pscan_rep_mode = info->pscan_rep_mode;
3360 data.pscan_period_mode = info->pscan_period_mode;
3361 data.pscan_mode = 0x00;
3362 memcpy(data.dev_class, info->dev_class, 3);
3363 data.clock_offset = info->clock_offset;
3364 data.rssi = info->rssi;
41a96212 3365 data.ssp_mode = 0x00;
af58925c
MH		 3366
3367 flags = hci_inquiry_cache_update(hdev, &data, false);
3368
48264f06 3369 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3370 info->dev_class, info->rssi,
af58925c 3371 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3372 }
3373 }
3374
3375 hci_dev_unlock(hdev);
3376}
3377
6039aa73
GP		 3378static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3379 struct sk_buff *skb)
a9de9248 3380{
41a96212
MH		 3381 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3382 struct hci_conn *conn;
3383
a9de9248 3384 BT_DBG("%s", hdev->name);
41a96212 3385
41a96212
MH		 3386 hci_dev_lock(hdev);
3387
3388 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3389 if (!conn)
3390 goto unlock;
41a96212 3391
cad718ed
JH		 3392 if (ev->page < HCI_MAX_PAGES)
3393 memcpy(conn->features[ev->page], ev->features, 8);
3394
ccd556fe
JH		 3395 if (!ev->status && ev->page == 0x01) {
3396 struct inquiry_entry *ie;
41a96212 3397
cc11b9c1
AE		 3398 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3399 if (ie)
02b7cc62 3400 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3401
bbb0eada 3402 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3403 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3404 } else {
3405 /* It is mandatory by the Bluetooth specification that
3406 * Extended Inquiry Results are only used when Secure
3407 * Simple Pairing is enabled, but some devices violate
3408 * this.
3409 *
3410 * To make these devices work, the internal SSP
3411 * enabled flag needs to be cleared if the remote host
3412 * features do not indicate SSP support */
3413 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3414 }
eb9a8f3f
MH		 3415
3416 if (ev->features[0] & LMP_HOST_SC)
3417 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3418 }
3419
3420 if (conn->state != BT_CONFIG)
3421 goto unlock;
3422
671267bf 3423 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3424 struct hci_cp_remote_name_req cp;
3425 memset(&cp, 0, sizeof(cp));
3426 bacpy(&cp.bdaddr, &conn->dst);
3427 cp.pscan_rep_mode = 0x02;
3428 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3429 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3430 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3431 conn->dst_type, 0, NULL, 0,
3432 conn->dev_class);
392599b9 3433
127178d2 3434 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3435 conn->state = BT_CONNECTED;
3436 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3437 hci_conn_drop(conn);
41a96212
MH		 3438 }
3439
ccd556fe 3440unlock:
41a96212 3441 hci_dev_unlock(hdev);
a9de9248
MH		 3442}
3443
6039aa73
GP		 3444static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3445 struct sk_buff *skb)
a9de9248 3446{
b6a0dc82
MH		 3447 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3448 struct hci_conn *conn;
3449
9f1db00c 3450 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3451
3452 hci_dev_lock(hdev);
3453
3454 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3455 if (!conn) {
3456 if (ev->link_type == ESCO_LINK)
3457 goto unlock;
3458
3459 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3460 if (!conn)
3461 goto unlock;
3462
3463 conn->type = SCO_LINK;
3464 }
b6a0dc82 3465
732547f9
MH		 3466 switch (ev->status) {
3467 case 0x00:
b6a0dc82
MH		 3468 conn->handle = __le16_to_cpu(ev->handle);
3469 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3470
3471 hci_conn_add_sysfs(conn);
732547f9
MH		 3472 break;
3473
81218d20 3474 case 0x10: /* Connection Accept Timeout */
1a4c958c 3475 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3476 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3477 case 0x1c: /* SCO interval rejected */
1038a00b 3478 case 0x1a: /* Unsupported Remote Feature */
732547f9 3479 case 0x1f: /* Unspecified error */
27539bc4 3480 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3481 if (conn->out) {
732547f9
MH		 3482 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3483 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3484 if (hci_setup_sync(conn, conn->link->handle))
3485 goto unlock;
732547f9
MH		 3486 }
3487 /* fall through */
3488
3489 default:
b6a0dc82 3490 conn->state = BT_CLOSED;
732547f9
MH		 3491 break;
3492 }
b6a0dc82
MH		 3493
3494 hci_proto_connect_cfm(conn, ev->status);
3495 if (ev->status)
3496 hci_conn_del(conn);
3497
3498unlock:
3499 hci_dev_unlock(hdev);
a9de9248
MH		 3500}
3501
efdcf8e3
MH		 3502static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3503{
3504 size_t parsed = 0;
3505
3506 while (parsed < eir_len) {
3507 u8 field_len = eir[0];
3508
3509 if (field_len == 0)
3510 return parsed;
3511
3512 parsed += field_len + 1;
3513 eir += field_len + 1;
3514 }
3515
3516 return eir_len;
3517}
3518
6039aa73
GP		 3519static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3520 struct sk_buff *skb)
1da177e4 3521{
a9de9248
MH		 3522 struct inquiry_data data;
3523 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3524 int num_rsp = *((__u8 *) skb->data);
9d939d94 3525 size_t eir_len;
1da177e4 3526
a9de9248 3527 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3528
a9de9248
MH		 3529 if (!num_rsp)
3530 return;
1da177e4 3531
1519cc17
AG		 3532 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3533 return;
3534
a9de9248
MH		 3535 hci_dev_lock(hdev);
3536
e17acd40 3537 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3538 u32 flags;
3539 bool name_known;
561aafbc 3540
a9de9248 3541 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3542 data.pscan_rep_mode = info->pscan_rep_mode;
3543 data.pscan_period_mode = info->pscan_period_mode;
3544 data.pscan_mode = 0x00;
a9de9248 3545 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3546 data.clock_offset = info->clock_offset;
3547 data.rssi = info->rssi;
41a96212 3548 data.ssp_mode = 0x01;
561aafbc 3549
a8b2d5c2 3550 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3551 name_known = eir_has_data_type(info->data,
04124681
GP		 3552 sizeof(info->data),
3553 EIR_NAME_COMPLETE);
561aafbc
JH		 3554 else
3555 name_known = true;
3556
af58925c
MH		 3557 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3558
9d939d94 3559 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3560
48264f06 3561 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3562 info->dev_class, info->rssi,
3563 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3564 }
3565
3566 hci_dev_unlock(hdev);
3567}
1da177e4 3568
1c2e0041
JH		 3569static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3570 struct sk_buff *skb)
3571{
3572 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3573 struct hci_conn *conn;
3574
9f1db00c 3575 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3576 __le16_to_cpu(ev->handle));
3577
3578 hci_dev_lock(hdev);
3579
3580 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3581 if (!conn)
3582 goto unlock;
3583
9eb1fbfa
JH		 3584 /* For BR/EDR the necessary steps are taken through the
3585 * auth_complete event.
3586 */
3587 if (conn->type != LE_LINK)
3588 goto unlock;
3589
1c2e0041
JH		 3590 if (!ev->status)
3591 conn->sec_level = conn->pending_sec_level;
3592
3593 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3594
3595 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3596 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3597 hci_conn_drop(conn);
1c2e0041
JH		 3598 goto unlock;
3599 }
3600
3601 if (conn->state == BT_CONFIG) {
3602 if (!ev->status)
3603 conn->state = BT_CONNECTED;
3604
3605 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3606 hci_conn_drop(conn);
1c2e0041
JH		 3607 } else {
3608 hci_auth_cfm(conn, ev->status);
3609
3610 hci_conn_hold(conn);
3611 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3612 hci_conn_drop(conn);
1c2e0041
JH		 3613 }
3614
3615unlock:
3616 hci_dev_unlock(hdev);
3617}
3618
6039aa73 3619static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3620{
17fa4b9d 3621 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3622 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3623 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3624 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3625
b7f94c88
MA		 3626 /* If both remote and local have enough IO capabilities, require
3627 * MITM protection
3628 */
3629 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3630 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3631 return conn->remote_auth | 0x01;
3632
7e74170a
TM		 3633 /* No MITM protection possible so ignore remote requirement */
3634 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3635}
3636
6039aa73 3637static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3638{
3639 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3640 struct hci_conn *conn;
3641
3642 BT_DBG("%s", hdev->name);
3643
3644 hci_dev_lock(hdev);
3645
3646 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3647 if (!conn)
3648 goto unlock;
3649
3650 hci_conn_hold(conn);
3651
a8b2d5c2 3652 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3653 goto unlock;
3654
a8b2d5c2 3655 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3656 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3657 struct hci_cp_io_capability_reply cp;
3658
3659 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3660 /* Change the IO capability from KeyboardDisplay
3661 * to DisplayYesNo as it is not supported by BT spec. */
3662 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3663 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3664
3665 /* If we are initiators, there is no remote information yet */
3666 if (conn->remote_auth == 0xff) {
b16c6604 3667 /* Request MITM protection if our IO caps allow it
4ad51a75 3668 * except for the no-bonding case.
b16c6604 3669 */
6fd6b915 3670 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
b16c6604 3671 cp.authentication != HCI_AT_NO_BONDING)
6c53823a
JH		 3672 conn->auth_type |= 0x01;
3673
3674 cp.authentication = conn->auth_type;
b7f94c88
MA		 3675 } else {
3676 conn->auth_type = hci_get_auth_req(conn);
3677 cp.authentication = conn->auth_type;
3678 }
17fa4b9d 3679
8fc9ced3
GP		 3680 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3681 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3682 cp.oob_data = 0x01;
3683 else
3684 cp.oob_data = 0x00;
3685
17fa4b9d 3686 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3687 sizeof(cp), &cp);
03b555e1
JH		 3688 } else {
3689 struct hci_cp_io_capability_neg_reply cp;
3690
3691 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3692 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3693
03b555e1 3694 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3695 sizeof(cp), &cp);
03b555e1
JH		 3696 }
3697
3698unlock:
3699 hci_dev_unlock(hdev);
3700}
3701
6039aa73 3702static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3703{
3704 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3705 struct hci_conn *conn;
3706
3707 BT_DBG("%s", hdev->name);
3708
3709 hci_dev_lock(hdev);
3710
3711 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3712 if (!conn)
3713 goto unlock;
3714
03b555e1 3715 conn->remote_cap = ev->capability;
03b555e1 3716 conn->remote_auth = ev->authentication;
58a681ef
JH		 3717 if (ev->oob_data)
3718 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3719
3720unlock:
0493684e
MH		 3721 hci_dev_unlock(hdev);
3722}
3723
6039aa73
GP		 3724static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3725 struct sk_buff *skb)
a5c29683
JH		 3726{
3727 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3728 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3729 struct hci_conn *conn;
a5c29683
JH		 3730
3731 BT_DBG("%s", hdev->name);
3732
3733 hci_dev_lock(hdev);
3734
a8b2d5c2 3735 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3736 goto unlock;
a5c29683 3737
7a828908
JH		 3738 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3739 if (!conn)
3740 goto unlock;
3741
3742 loc_mitm = (conn->auth_type & 0x01);
3743 rem_mitm = (conn->remote_auth & 0x01);
3744
3745 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3746 * (it has NoInputNoOutput) then reject the confirmation
3747 * request. We check the security level here since it doesn't
3748 * necessarily match conn->auth_type.
6fd6b915 3749 */
6c53823a
JH		 3750 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3751 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3752 BT_DBG("Rejecting request: remote device can't provide MITM");
3753 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3754 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3755 goto unlock;
3756 }
3757
3758 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3759 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3760 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3761
3762 /* If we're not the initiators request authorization to
3763 * proceed from user space (mgmt_user_confirm with
ba15a58b
JH		 3764 * confirm_hint set to 1). The exception is if neither
3765 * side had MITM in which case we do auto-accept.
3766 */
3767 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
3768 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3769 BT_DBG("Confirming auto-accept as acceptor");
3770 confirm_hint = 1;
3771 goto confirm;
3772 }
3773
9f61656a 3774 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3775 hdev->auto_accept_delay);
9f61656a
JH		 3776
3777 if (hdev->auto_accept_delay > 0) {
3778 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3779 queue_delayed_work(conn->hdev->workqueue,
3780 &conn->auto_accept_work, delay);
9f61656a
JH		 3781 goto unlock;
3782 }
3783
7a828908 3784 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3785 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3786 goto unlock;
3787 }
3788
55bc1a37 3789confirm:
39adbffe
JH		 3790 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3791 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3792
3793unlock:
a5c29683
JH		 3794 hci_dev_unlock(hdev);
3795}
3796
6039aa73
GP		 3797static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3798 struct sk_buff *skb)
1143d458
BG		 3799{
3800 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3801
3802 BT_DBG("%s", hdev->name);
3803
a8b2d5c2 3804 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3805 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3806}
3807
92a25256
JH		 3808static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3809 struct sk_buff *skb)
3810{
3811 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3812 struct hci_conn *conn;
3813
3814 BT_DBG("%s", hdev->name);
3815
3816 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3817 if (!conn)
3818 return;
3819
3820 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3821 conn->passkey_entered = 0;
3822
3823 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3824 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3825 conn->dst_type, conn->passkey_notify,
3826 conn->passkey_entered);
3827}
3828
3829static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3830{
3831 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3832 struct hci_conn *conn;
3833
3834 BT_DBG("%s", hdev->name);
3835
3836 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3837 if (!conn)
3838 return;
3839
3840 switch (ev->type) {
3841 case HCI_KEYPRESS_STARTED:
3842 conn->passkey_entered = 0;
3843 return;
3844
3845 case HCI_KEYPRESS_ENTERED:
3846 conn->passkey_entered++;
3847 break;
3848
3849 case HCI_KEYPRESS_ERASED:
3850 conn->passkey_entered--;
3851 break;
3852
3853 case HCI_KEYPRESS_CLEARED:
3854 conn->passkey_entered = 0;
3855 break;
3856
3857 case HCI_KEYPRESS_COMPLETED:
3858 return;
3859 }
3860
3861 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3862 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3863 conn->dst_type, conn->passkey_notify,
3864 conn->passkey_entered);
3865}
3866
6039aa73
GP		 3867static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3868 struct sk_buff *skb)
0493684e
MH		 3869{
3870 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3871 struct hci_conn *conn;
3872
3873 BT_DBG("%s", hdev->name);
3874
3875 hci_dev_lock(hdev);
3876
3877 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3878 if (!conn)
3879 goto unlock;
3880
3881 /* To avoid duplicate auth_failed events to user space we check
3882 * the HCI_CONN_AUTH_PEND flag which will be set if we
3883 * initiated the authentication. A traditional auth_complete
3884 * event gets always produced as initiator and is also mapped to
3885 * the mgmt_auth_failed event */
fa1bd918 3886 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3887 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3888 ev->status);
0493684e 3889
76a68ba0 3890 hci_conn_drop(conn);
2a611692
JH		 3891
3892unlock:
0493684e
MH		 3893 hci_dev_unlock(hdev);
3894}
3895
6039aa73
GP		 3896static void hci_remote_host_features_evt(struct hci_dev *hdev,
3897 struct sk_buff *skb)
41a96212
MH		 3898{
3899 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3900 struct inquiry_entry *ie;
cad718ed 3901 struct hci_conn *conn;
41a96212
MH		 3902
3903 BT_DBG("%s", hdev->name);
3904
3905 hci_dev_lock(hdev);
3906
cad718ed
JH		 3907 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3908 if (conn)
3909 memcpy(conn->features[1], ev->features, 8);
3910
cc11b9c1
AE		 3911 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3912 if (ie)
02b7cc62 3913 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3914
3915 hci_dev_unlock(hdev);
3916}
3917
6039aa73
GP		 3918static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3919 struct sk_buff *skb)
2763eda6
SJ		 3920{
3921 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3922 struct oob_data *data;
3923
3924 BT_DBG("%s", hdev->name);
3925
3926 hci_dev_lock(hdev);
3927
a8b2d5c2 3928 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3929 goto unlock;
3930
2763eda6
SJ		 3931 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3932 if (data) {
519ca9d0
MH		 3933 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3934 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3935
519ca9d0
MH		 3936 bacpy(&cp.bdaddr, &ev->bdaddr);
3937 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3938 memcpy(cp.randomizer192, data->randomizer192,
3939 sizeof(cp.randomizer192));
3940 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3941 memcpy(cp.randomizer256, data->randomizer256,
3942 sizeof(cp.randomizer256));
3943
3944 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3945 sizeof(cp), &cp);
3946 } else {
3947 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3948
519ca9d0
MH		 3949 bacpy(&cp.bdaddr, &ev->bdaddr);
3950 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3951 memcpy(cp.randomizer, data->randomizer192,
3952 sizeof(cp.randomizer));
3953
3954 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3955 sizeof(cp), &cp);
3956 }
2763eda6
SJ		 3957 } else {
3958 struct hci_cp_remote_oob_data_neg_reply cp;
3959
3960 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3961 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3962 sizeof(cp), &cp);
2763eda6
SJ		 3963 }
3964
e1ba1f15 3965unlock:
2763eda6
SJ		 3966 hci_dev_unlock(hdev);
3967}
3968
d5e91192
AE		 3969static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3970 struct sk_buff *skb)
3971{
3972 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3973 struct hci_conn *hcon, *bredr_hcon;
3974
3975 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3976 ev->status);
3977
3978 hci_dev_lock(hdev);
3979
3980 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3981 if (!hcon) {
3982 hci_dev_unlock(hdev);
3983 return;
3984 }
3985
3986 if (ev->status) {
3987 hci_conn_del(hcon);
3988 hci_dev_unlock(hdev);
3989 return;
3990 }
3991
3992 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3993
3994 hcon->state = BT_CONNECTED;
3995 bacpy(&hcon->dst, &bredr_hcon->dst);
3996
3997 hci_conn_hold(hcon);
3998 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3999 hci_conn_drop(hcon);
d5e91192 4000
d5e91192
AE		 4001 hci_conn_add_sysfs(hcon);
4002
cf70ff22 4003 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4004
cf70ff22 4005 hci_dev_unlock(hdev);
d5e91192
AE		 4006}
4007
27695fb4
AE		 4008static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4009{
4010 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4011 struct hci_conn *hcon;
4012 struct hci_chan *hchan;
4013 struct amp_mgr *mgr;
4014
4015 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4016 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4017 ev->status);
4018
4019 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4020 if (!hcon)
4021 return;
4022
4023 /* Create AMP hchan */
4024 hchan = hci_chan_create(hcon);
4025 if (!hchan)
4026 return;
4027
4028 hchan->handle = le16_to_cpu(ev->handle);
4029
4030 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4031
4032 mgr = hcon->amp_mgr;
4033 if (mgr && mgr->bredr_chan) {
4034 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4035
4036 l2cap_chan_lock(bredr_chan);
4037
4038 bredr_chan->conn->mtu = hdev->block_mtu;
4039 l2cap_logical_cfm(bredr_chan, hchan, 0);
4040 hci_conn_hold(hcon);
4041
4042 l2cap_chan_unlock(bredr_chan);
4043 }
4044}
4045
606e2a10
AE		 4046static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4047 struct sk_buff *skb)
4048{
4049 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4050 struct hci_chan *hchan;
4051
4052 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4053 le16_to_cpu(ev->handle), ev->status);
4054
4055 if (ev->status)
4056 return;
4057
4058 hci_dev_lock(hdev);
4059
4060 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4061 if (!hchan)
4062 goto unlock;
4063
4064 amp_destroy_logical_link(hchan, ev->reason);
4065
4066unlock:
4067 hci_dev_unlock(hdev);
4068}
4069
9eef6b3a
AE		 4070static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4071 struct sk_buff *skb)
4072{
4073 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4074 struct hci_conn *hcon;
4075
4076 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4077
4078 if (ev->status)
4079 return;
4080
4081 hci_dev_lock(hdev);
4082
4083 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4084 if (hcon) {
4085 hcon->state = BT_CLOSED;
4086 hci_conn_del(hcon);
4087 }
4088
4089 hci_dev_unlock(hdev);
4090}
4091
6039aa73 4092static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4093{
4094 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4095 struct hci_conn_params *params;
fcd89c09 4096 struct hci_conn *conn;
68d6f6de 4097 struct smp_irk *irk;
837d502e 4098 u8 addr_type;
fcd89c09 4099
9f1db00c 4100 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4101
4102 hci_dev_lock(hdev);
4103
fbd96c15
JH		 4104 /* All controllers implicitly stop advertising in the event of a
4105 * connection, so ensure that the state bit is cleared.
4106 */
4107 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4108
b47a09b3 4109 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b
VT		 4110 if (!conn) {
4111 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
4112 if (!conn) {
4113 BT_ERR("No memory for new connection");
230fd16a 4114 goto unlock;
b62f328b 4115 }
29b7988a
AG		 4116
4117 conn->dst_type = ev->bdaddr_type;
b9b343d2
AG		 4118
4119 if (ev->role == LE_CONN_ROLE_MASTER) {
4120 conn->out = true;
4dae2798 4121 set_bit(HCI_CONN_MASTER, &conn->flags);
b9b343d2 4122 }
cb1d68f7
JH		 4123
4124 /* If we didn't have a hci_conn object previously
4125 * but we're in master role this must be something
4126 * initiated using a white list. Since white list based
4127 * connections are not "first class citizens" we don't
4128 * have full tracking of them. Therefore, we go ahead
4129 * with a "best effort" approach of determining the
4130 * initiator address based on the HCI_PRIVACY flag.
4131 */
4132 if (conn->out) {
4133 conn->resp_addr_type = ev->bdaddr_type;
4134 bacpy(&conn->resp_addr, &ev->bdaddr);
4135 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4136 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4137 bacpy(&conn->init_addr, &hdev->rpa);
4138 } else {
4139 hci_copy_identity_address(hdev,
4140 &conn->init_addr,
4141 &conn->init_addr_type);
4142 }
cb1d68f7 4143 }
9489eca4
JH		 4144 } else {
4145 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4146 }
fcd89c09 4147
80c24ab8
JH		 4148 if (!conn->out) {
4149 /* Set the responder (our side) address type based on
4150 * the advertising address type.
4151 */
4152 conn->resp_addr_type = hdev->adv_addr_type;
4153 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4154 bacpy(&conn->resp_addr, &hdev->random_addr);
4155 else
4156 bacpy(&conn->resp_addr, &hdev->bdaddr);
4157
4158 conn->init_addr_type = ev->bdaddr_type;
4159 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4160
4161 /* For incoming connections, set the default minimum
4162 * and maximum connection interval. They will be used
4163 * to check if the parameters are in range and if not
4164 * trigger the connection update procedure.
4165 */
4166 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4167 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4168 }
7be2edbb 4169
edb4b466
MH		 4170 /* Lookup the identity address from the stored connection
4171 * address and address type.
4172 *
4173 * When establishing connections to an identity address, the
4174 * connection procedure will store the resolvable random
4175 * address first. Now if it can be converted back into the
4176 * identity address, start using the identity address from
4177 * now on.
4178 */
4179 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4180 if (irk) {
4181 bacpy(&conn->dst, &irk->bdaddr);
4182 conn->dst_type = irk->addr_type;
4183 }
4184
837d502e
JH		 4185 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4186 addr_type = BDADDR_LE_PUBLIC;
4187 else
4188 addr_type = BDADDR_LE_RANDOM;
4189
4190 /* Drop the connection if he device is blocked */
dcc36c16 4191 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
837d502e
JH		 4192 hci_conn_drop(conn);
4193 goto unlock;
4194 }
4195
cd17decb 4196 if (ev->status) {
06c053fb 4197 hci_le_conn_failed(conn, ev->status);
cd17decb
AG		 4198 goto unlock;
4199 }
4200
b644ba33 4201 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4202 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4203 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4204
7b5c0d52 4205 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4206 conn->handle = __le16_to_cpu(ev->handle);
4207 conn->state = BT_CONNECTED;
4208
e04fde60
MH		 4209 conn->le_conn_interval = le16_to_cpu(ev->interval);
4210 conn->le_conn_latency = le16_to_cpu(ev->latency);
4211 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4212
fcd89c09
VT		 4213 hci_conn_add_sysfs(conn);
4214
4215 hci_proto_connect_cfm(conn, ev->status);
4216
912b42ef 4217 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
223683a5 4218 if (params)
95305baa 4219 list_del_init(&params->action);
a4790dbd 4220
fcd89c09 4221unlock:
223683a5 4222 hci_update_background_scan(hdev);
fcd89c09
VT		 4223 hci_dev_unlock(hdev);
4224}
4225
1855d92d
MH		 4226static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4227 struct sk_buff *skb)
4228{
4229 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4230 struct hci_conn *conn;
4231
4232 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4233
4234 if (ev->status)
4235 return;
4236
4237 hci_dev_lock(hdev);
4238
4239 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4240 if (conn) {
4241 conn->le_conn_interval = le16_to_cpu(ev->interval);
4242 conn->le_conn_latency = le16_to_cpu(ev->latency);
4243 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4244 }
4245
4246 hci_dev_unlock(hdev);
4247}
4248
a4790dbd 4249/* This function requires the caller holds hdev->lock */
7e899c94 4250static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4251 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4252{
4253 struct hci_conn *conn;
4254
1c1abcab
JH		 4255 /* If the event is not connectable don't proceed further */
4256 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4257 return;
1c1abcab
JH		 4258
4259 /* Ignore if the device is blocked */
dcc36c16 4260 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4261 return;
1c1abcab
JH		 4262
4263 /* If we're connectable, always connect any ADV_DIRECT_IND event */
4264 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
4265 adv_type == LE_ADV_DIRECT_IND)
4266 goto connect;
4267
4268 /* If we're not connectable only connect devices that we have in
4269 * our pend_le_conns list.
4270 */
501f8827 4271 if (!hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, addr_type))
7e899c94 4272 return;
a4790dbd 4273
1c1abcab 4274connect:
cdd6275e 4275 /* Request connection in master = true role */
a4790dbd 4276 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
cdd6275e 4277 HCI_LE_AUTOCONN_TIMEOUT, true);
a4790dbd 4278 if (!IS_ERR(conn))
7e899c94 4279 return;
a4790dbd
AG		 4280
4281 switch (PTR_ERR(conn)) {
4282 case -EBUSY:
4283 /* If hci_connect() returns -EBUSY it means there is already
4284 * an LE connection attempt going on. Since controllers don't
4285 * support more than one connection attempt at the time, we
4286 * don't consider this an error case.
4287 */
4288 break;
4289 default:
4290 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4291 }
4292}
4293
4af605d8
JH		 4294static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4295 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4296{
b9a6328f 4297 struct discovery_state *d = &hdev->discovery;
1c1abcab 4298 struct smp_irk *irk;
474ee066 4299 bool match;
c70a7e4c 4300 u32 flags;
b9a6328f 4301
1c1abcab
JH		 4302 /* Check if we need to convert to identity address */
4303 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4304 if (irk) {
4305 bdaddr = &irk->bdaddr;
4306 bdaddr_type = irk->addr_type;
4307 }
4308
4309 /* Check if we have been requested to connect to this device */
4310 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4311
0d2bf134
JH		 4312 /* Passive scanning shouldn't trigger any device found events,
4313 * except for devices marked as CONN_REPORT for which we do send
4314 * device found events.
4315 */
ca5c4be7 4316 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4317 if (type == LE_ADV_DIRECT_IND)
4318 return;
4319
3a19b6fe
JH		 4320 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4321 bdaddr, bdaddr_type))
0d2bf134
JH		 4322 return;
4323
4324 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4325 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4326 else
4327 flags = 0;
4328 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4329 rssi, flags, data, len, NULL, 0);
97bf2e99 4330 return;
ca5c4be7 4331 }
4af605d8 4332
c70a7e4c
MH		 4333 /* When receiving non-connectable or scannable undirected
4334 * advertising reports, this means that the remote device is
4335 * not connectable and then clearly indicate this in the
4336 * device found event.
4337 *
4338 * When receiving a scan response, then there is no way to
4339 * know if the remote device is connectable or not. However
4340 * since scan responses are merged with a previously seen
4341 * advertising report, the flags field from that report
4342 * will be used.
4343 *
4344 * In the really unlikely case that a controller get confused
4345 * and just sends a scan response event, then it is marked as
4346 * not connectable as well.
4347 */
4348 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4349 type == LE_ADV_SCAN_RSP)
4350 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4351 else
4352 flags = 0;
4353
b9a6328f
JH		 4354 /* If there's nothing pending either store the data from this
4355 * event or send an immediate device found event if the data
4356 * should not be stored for later.
4357 */
4358 if (!has_pending_adv_report(hdev)) {
4359 /* If the report will trigger a SCAN_REQ store it for
4360 * later merging.
4361 */
4362 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4363 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4364 rssi, flags, data, len);
b9a6328f
JH		 4365 return;
4366 }
4367
4368 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4369 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4370 return;
4371 }
4372
474ee066
JH		 4373 /* Check if the pending report is for the same device as the new one */
4374 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4375 bdaddr_type == d->last_adv_addr_type);
4376
b9a6328f
JH		 4377 /* If the pending data doesn't match this report or this isn't a
4378 * scan response (e.g. we got a duplicate ADV_IND) then force
4379 * sending of the pending data.
4380 */
474ee066
JH		 4381 if (type != LE_ADV_SCAN_RSP || !match) {
4382 /* Send out whatever is in the cache, but skip duplicates */
4383 if (!match)
4384 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4385 d->last_adv_addr_type, NULL,
c70a7e4c 4386 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4387 d->last_adv_data,
474ee066 4388 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4389
4390 /* If the new report will trigger a SCAN_REQ store it for
4391 * later merging.
4392 */
4393 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4394 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4395 rssi, flags, data, len);
b9a6328f
JH		 4396 return;
4397 }
4398
4399 /* The advertising reports cannot be merged, so clear
4400 * the pending report and send out a device found event.
4401 */
4402 clear_pending_adv_report(hdev);
5c5b93e4 4403 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4404 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4405 return;
4406 }
4407
4408 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4409 * the new event is a SCAN_RSP. We can therefore proceed with
4410 * sending a merged device found event.
4411 */
4412 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4413 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4414 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4415 clear_pending_adv_report(hdev);
4af605d8
JH		 4416}
4417
6039aa73 4418static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4419{
e95beb41
AG		 4420 u8 num_reports = skb->data[0];
4421 void *ptr = &skb->data[1];
9aa04c91 4422
a4790dbd
AG		 4423 hci_dev_lock(hdev);
4424
e95beb41
AG		 4425 while (num_reports--) {
4426 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4427 s8 rssi;
a4790dbd 4428
3c9e9195 4429 rssi = ev->data[ev->length];
4af605d8
JH		 4430 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4431 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4432
e95beb41 4433 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4434 }
a4790dbd
AG		 4435
4436 hci_dev_unlock(hdev);
9aa04c91
AG		 4437}
4438
6039aa73 4439static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4440{
4441 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4442 struct hci_cp_le_ltk_reply cp;
bea710fe 4443 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4444 struct hci_conn *conn;
c9839a11 4445 struct smp_ltk *ltk;
a7a595f6 4446
9f1db00c 4447 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4448
4449 hci_dev_lock(hdev);
4450
4451 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4452 if (conn == NULL)
4453 goto not_found;
a7a595f6 4454
fe39c7b2 4455 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->out);
bea710fe
VCG		 4456 if (ltk == NULL)
4457 goto not_found;
4458
4459 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4460 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4461
4462 if (ltk->authenticated)
f8776218
AG		 4463 conn->pending_sec_level = BT_SECURITY_HIGH;
4464 else
4465 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4466
89cbb4da 4467 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4468
4469 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4470
5981a882
CT		 4471 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4472 * temporary key used to encrypt a connection following
4473 * pairing. It is used during the Encrypted Session Setup to
4474 * distribute the keys. Later, security can be re-established
4475 * using a distributed LTK.
4476 */
2ceba539 4477 if (ltk->type == SMP_STK) {
fe59a05f 4478 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4479 list_del(&ltk->list);
4480 kfree(ltk);
fe59a05f
JH		 4481 } else {
4482 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4483 }
4484
a7a595f6 4485 hci_dev_unlock(hdev);
bea710fe
VCG		 4486
4487 return;
4488
4489not_found:
4490 neg.handle = ev->handle;
4491 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4492 hci_dev_unlock(hdev);
a7a595f6
VCG		 4493}
4494
8e75b46a
AG		 4495static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4496 u8 reason)
4497{
4498 struct hci_cp_le_conn_param_req_neg_reply cp;
4499
4500 cp.handle = cpu_to_le16(handle);
4501 cp.reason = reason;
4502
4503 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4504 &cp);
4505}
4506
4507static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4508 struct sk_buff *skb)
4509{
4510 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4511 struct hci_cp_le_conn_param_req_reply cp;
4512 struct hci_conn *hcon;
4513 u16 handle, min, max, latency, timeout;
4514
4515 handle = le16_to_cpu(ev->handle);
4516 min = le16_to_cpu(ev->interval_min);
4517 max = le16_to_cpu(ev->interval_max);
4518 latency = le16_to_cpu(ev->latency);
4519 timeout = le16_to_cpu(ev->timeout);
4520
4521 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4522 if (!hcon || hcon->state != BT_CONNECTED)
4523 return send_conn_param_neg_reply(hdev, handle,
4524 HCI_ERROR_UNKNOWN_CONN_ID);
4525
4526 if (hci_check_conn_params(min, max, latency, timeout))
4527 return send_conn_param_neg_reply(hdev, handle,
4528 HCI_ERROR_INVALID_LL_PARAMS);
4529
348d50b8
JH		 4530 if (test_bit(HCI_CONN_MASTER, &hcon->flags)) {
4531 struct hci_conn_params *params;
f4869e2a 4532 u8 store_hint;
348d50b8
JH		 4533
4534 hci_dev_lock(hdev);
4535
4536 params = hci_conn_params_lookup(hdev, &hcon->dst,
4537 hcon->dst_type);
4538 if (params) {
4539 params->conn_min_interval = min;
4540 params->conn_max_interval = max;
4541 params->conn_latency = latency;
4542 params->supervision_timeout = timeout;
f4869e2a
JH		 4543 store_hint = 0x01;
4544 } else{
4545 store_hint = 0x00;
348d50b8
JH		 4546 }
4547
4548 hci_dev_unlock(hdev);
4549
f4869e2a
JH		 4550 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4551 store_hint, min, max, latency, timeout);
348d50b8 4552 }
ffb5a827 4553
8e75b46a
AG		 4554 cp.handle = ev->handle;
4555 cp.interval_min = ev->interval_min;
4556 cp.interval_max = ev->interval_max;
4557 cp.latency = ev->latency;
4558 cp.timeout = ev->timeout;
4559 cp.min_ce_len = 0;
4560 cp.max_ce_len = 0;
4561
4562 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4563}
4564
6039aa73 4565static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4566{
4567 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4568
4569 skb_pull(skb, sizeof(*le_ev));
4570
4571 switch (le_ev->subevent) {
4572 case HCI_EV_LE_CONN_COMPLETE:
4573 hci_le_conn_complete_evt(hdev, skb);
4574 break;
4575
1855d92d
MH		 4576 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4577 hci_le_conn_update_complete_evt(hdev, skb);
4578 break;
4579
9aa04c91
AG		 4580 case HCI_EV_LE_ADVERTISING_REPORT:
4581 hci_le_adv_report_evt(hdev, skb);
4582 break;
4583
a7a595f6
VCG		 4584 case HCI_EV_LE_LTK_REQ:
4585 hci_le_ltk_request_evt(hdev, skb);
4586 break;
4587
8e75b46a
AG		 4588 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4589 hci_le_remote_conn_param_req_evt(hdev, skb);
4590 break;
4591
fcd89c09
VT		 4592 default:
4593 break;
4594 }
4595}
4596
9495b2ee
AE		 4597static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4598{
4599 struct hci_ev_channel_selected *ev = (void *) skb->data;
4600 struct hci_conn *hcon;
4601
4602 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4603
4604 skb_pull(skb, sizeof(*ev));
4605
4606 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4607 if (!hcon)
4608 return;
4609
4610 amp_read_loc_assoc_final_data(hdev, hcon);
4611}
4612
a9de9248
MH		 4613void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4614{
4615 struct hci_event_hdr *hdr = (void *) skb->data;
4616 __u8 event = hdr->evt;
4617
b6ddb638
JH		 4618 hci_dev_lock(hdev);
4619
4620 /* Received events are (currently) only needed when a request is
4621 * ongoing so avoid unnecessary memory allocation.
4622 */
899de765 4623 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4624 kfree_skb(hdev->recv_evt);
4625 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4626 }
4627
4628 hci_dev_unlock(hdev);
4629
a9de9248
MH		 4630 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4631
02350a72 4632 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4633 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4634 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4635
4636 hci_req_cmd_complete(hdev, opcode, 0);
4637 }
4638
a9de9248 4639 switch (event) {
1da177e4
LT		 4640 case HCI_EV_INQUIRY_COMPLETE:
4641 hci_inquiry_complete_evt(hdev, skb);
4642 break;
4643
4644 case HCI_EV_INQUIRY_RESULT:
4645 hci_inquiry_result_evt(hdev, skb);
4646 break;
4647
a9de9248
MH		 4648 case HCI_EV_CONN_COMPLETE:
4649 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4650 break;
4651
1da177e4
LT		 4652 case HCI_EV_CONN_REQUEST:
4653 hci_conn_request_evt(hdev, skb);
4654 break;
4655
1da177e4
LT		 4656 case HCI_EV_DISCONN_COMPLETE:
4657 hci_disconn_complete_evt(hdev, skb);
4658 break;
4659
1da177e4
LT		 4660 case HCI_EV_AUTH_COMPLETE:
4661 hci_auth_complete_evt(hdev, skb);
4662 break;
4663
a9de9248
MH		 4664 case HCI_EV_REMOTE_NAME:
4665 hci_remote_name_evt(hdev, skb);
4666 break;
4667
1da177e4
LT		 4668 case HCI_EV_ENCRYPT_CHANGE:
4669 hci_encrypt_change_evt(hdev, skb);
4670 break;
4671
a9de9248
MH		 4672 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4673 hci_change_link_key_complete_evt(hdev, skb);
4674 break;
4675
4676 case HCI_EV_REMOTE_FEATURES:
4677 hci_remote_features_evt(hdev, skb);
4678 break;
4679
a9de9248
MH		 4680 case HCI_EV_CMD_COMPLETE:
4681 hci_cmd_complete_evt(hdev, skb);
4682 break;
4683
4684 case HCI_EV_CMD_STATUS:
4685 hci_cmd_status_evt(hdev, skb);
4686 break;
4687
4688 case HCI_EV_ROLE_CHANGE:
4689 hci_role_change_evt(hdev, skb);
4690 break;
4691
4692 case HCI_EV_NUM_COMP_PKTS:
4693 hci_num_comp_pkts_evt(hdev, skb);
4694 break;
4695
4696 case HCI_EV_MODE_CHANGE:
4697 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4698 break;
4699
4700 case HCI_EV_PIN_CODE_REQ:
4701 hci_pin_code_request_evt(hdev, skb);
4702 break;
4703
4704 case HCI_EV_LINK_KEY_REQ:
4705 hci_link_key_request_evt(hdev, skb);
4706 break;
4707
4708 case HCI_EV_LINK_KEY_NOTIFY:
4709 hci_link_key_notify_evt(hdev, skb);
4710 break;
4711
4712 case HCI_EV_CLOCK_OFFSET:
4713 hci_clock_offset_evt(hdev, skb);
4714 break;
4715
a8746417
MH		 4716 case HCI_EV_PKT_TYPE_CHANGE:
4717 hci_pkt_type_change_evt(hdev, skb);
4718 break;
4719
85a1e930
MH		 4720 case HCI_EV_PSCAN_REP_MODE:
4721 hci_pscan_rep_mode_evt(hdev, skb);
4722 break;
4723
a9de9248
MH		 4724 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4725 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4726 break;
4727
a9de9248
MH		 4728 case HCI_EV_REMOTE_EXT_FEATURES:
4729 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4730 break;
4731
a9de9248
MH		 4732 case HCI_EV_SYNC_CONN_COMPLETE:
4733 hci_sync_conn_complete_evt(hdev, skb);
4734 break;
1da177e4 4735
a9de9248
MH		 4736 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4737 hci_extended_inquiry_result_evt(hdev, skb);
4738 break;
1da177e4 4739
1c2e0041
JH		 4740 case HCI_EV_KEY_REFRESH_COMPLETE:
4741 hci_key_refresh_complete_evt(hdev, skb);
4742 break;
4743
0493684e
MH		 4744 case HCI_EV_IO_CAPA_REQUEST:
4745 hci_io_capa_request_evt(hdev, skb);
4746 break;
4747
03b555e1
JH		 4748 case HCI_EV_IO_CAPA_REPLY:
4749 hci_io_capa_reply_evt(hdev, skb);
4750 break;
4751
a5c29683
JH		 4752 case HCI_EV_USER_CONFIRM_REQUEST:
4753 hci_user_confirm_request_evt(hdev, skb);
4754 break;
4755
1143d458
BG		 4756 case HCI_EV_USER_PASSKEY_REQUEST:
4757 hci_user_passkey_request_evt(hdev, skb);
4758 break;
4759
92a25256
JH		 4760 case HCI_EV_USER_PASSKEY_NOTIFY:
4761 hci_user_passkey_notify_evt(hdev, skb);
4762 break;
4763
4764 case HCI_EV_KEYPRESS_NOTIFY:
4765 hci_keypress_notify_evt(hdev, skb);
4766 break;
4767
0493684e
MH		 4768 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4769 hci_simple_pair_complete_evt(hdev, skb);
4770 break;
4771
41a96212
MH		 4772 case HCI_EV_REMOTE_HOST_FEATURES:
4773 hci_remote_host_features_evt(hdev, skb);
4774 break;
4775
fcd89c09
VT		 4776 case HCI_EV_LE_META:
4777 hci_le_meta_evt(hdev, skb);
4778 break;
4779
9495b2ee
AE		 4780 case HCI_EV_CHANNEL_SELECTED:
4781 hci_chan_selected_evt(hdev, skb);
4782 break;
4783
2763eda6
SJ		 4784 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4785 hci_remote_oob_data_request_evt(hdev, skb);
4786 break;
4787
d5e91192
AE		 4788 case HCI_EV_PHY_LINK_COMPLETE:
4789 hci_phy_link_complete_evt(hdev, skb);
4790 break;
4791
27695fb4
AE		 4792 case HCI_EV_LOGICAL_LINK_COMPLETE:
4793 hci_loglink_complete_evt(hdev, skb);
4794 break;
4795
606e2a10
AE		 4796 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4797 hci_disconn_loglink_complete_evt(hdev, skb);
4798 break;
4799
9eef6b3a
AE		 4800 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4801 hci_disconn_phylink_complete_evt(hdev, skb);
4802 break;
4803
25e89e99
AE		 4804 case HCI_EV_NUM_COMP_BLOCKS:
4805 hci_num_comp_blocks_evt(hdev, skb);
4806 break;
4807
a9de9248 4808 default:
9f1db00c 4809 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4810 break;
4811 }
4812
4813 kfree_skb(skb);
4814 hdev->stat.evt_rx++;
4815}
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