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Bluetooth: Fix SMP security level when we have no IO capabilities
[deliverable/linux.git] / net / bluetooth / hci_event.c
CommitLineData
8e87d142 1/*
1da177e4 2 BlueZ - Bluetooth protocol stack for Linux
2d0a0346 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
1da177e4
LT		 4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
8e87d142
YH		 15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1da177e4
LT		 18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
8e87d142
YH		 20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
1da177e4
LT		 22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI event handling. */
26
1da177e4
LT		 27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
7ef9fbf0 32
7024728e 33#include "a2mp.h"
7ef9fbf0 34#include "amp.h"
2ceba539 35#include "smp.h"
1da177e4 36
1da177e4
LT		 37/* Handle HCI Event packets */
38
a9de9248 39static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 40{
a9de9248 41 __u8 status = *((__u8 *) skb->data);
1da177e4 42
9f1db00c 43 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 44
82f4785c 45 if (status)
a9de9248 46 return;
1da177e4 47
89352e7d 48 clear_bit(HCI_INQUIRY, &hdev->flags);
4e857c58 49 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e 50 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 51
50143a43
JH		 52 hci_dev_lock(hdev);
53 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
54 hci_dev_unlock(hdev);
55
a9de9248
MH		 56 hci_conn_check_pending(hdev);
57}
6bd57416 58
4d93483b
AG		 59static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
60{
61 __u8 status = *((__u8 *) skb->data);
62
9f1db00c 63 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG		 64
65 if (status)
66 return;
67
68 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG		 69}
70
a9de9248
MH		 71static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
72{
73 __u8 status = *((__u8 *) skb->data);
6bd57416 74
9f1db00c 75 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 76
a9de9248
MH		 77 if (status)
78 return;
1da177e4 79
ae854a70
AG		 80 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
81
a9de9248
MH		 82 hci_conn_check_pending(hdev);
83}
84
807deac2
GP		 85static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
86 struct sk_buff *skb)
a9de9248
MH		 87{
88 BT_DBG("%s", hdev->name);
89}
90
91static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
92{
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
95
9f1db00c 96 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 97
98 if (rp->status)
99 return;
100
101 hci_dev_lock(hdev);
102
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
40bef302
JH		 104 if (conn)
105 conn->role = rp->role;
a9de9248
MH		 106
107 hci_dev_unlock(hdev);
1da177e4
LT		 108}
109
e4e8e37c
MH		 110static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
111{
112 struct hci_rp_read_link_policy *rp = (void *) skb->data;
113 struct hci_conn *conn;
114
9f1db00c 115 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 116
117 if (rp->status)
118 return;
119
120 hci_dev_lock(hdev);
121
122 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
123 if (conn)
124 conn->link_policy = __le16_to_cpu(rp->policy);
125
126 hci_dev_unlock(hdev);
127}
128
a9de9248 129static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 130{
a9de9248 131 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 132 struct hci_conn *conn;
04837f64 133 void *sent;
1da177e4 134
9f1db00c 135 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 136
a9de9248
MH		 137 if (rp->status)
138 return;
1da177e4 139
a9de9248
MH		 140 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
141 if (!sent)
142 return;
1da177e4 143
a9de9248 144 hci_dev_lock(hdev);
1da177e4 145
a9de9248 146 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 147 if (conn)
83985319 148 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 149
a9de9248
MH		 150 hci_dev_unlock(hdev);
151}
1da177e4 152
807deac2
GP		 153static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
154 struct sk_buff *skb)
e4e8e37c
MH		 155{
156 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
157
9f1db00c 158 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 159
160 if (rp->status)
161 return;
162
163 hdev->link_policy = __le16_to_cpu(rp->policy);
164}
165
807deac2
GP		 166static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
167 struct sk_buff *skb)
e4e8e37c
MH		 168{
169 __u8 status = *((__u8 *) skb->data);
170 void *sent;
171
9f1db00c 172 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 173
45296acd
MH		 174 if (status)
175 return;
176
e4e8e37c
MH		 177 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
178 if (!sent)
179 return;
180
45296acd 181 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 182}
183
a9de9248
MH		 184static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
185{
186 __u8 status = *((__u8 *) skb->data);
04837f64 187
9f1db00c 188 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 189
10572132
GP		 190 clear_bit(HCI_RESET, &hdev->flags);
191
a297e97c 192 /* Reset all non-persistent flags */
2cc6fb00 193 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 194
195 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 196 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
197 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 198
199 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
200 hdev->adv_data_len = 0;
f8e808bd
MH		 201
202 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
203 hdev->scan_rsp_data_len = 0;
06f5b778 204
533553f8
MH		 205 hdev->le_scan_type = LE_SCAN_PASSIVE;
206
06f5b778 207 hdev->ssp_debug_mode = 0;
a9de9248 208}
04837f64 209
a9de9248
MH		 210static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
211{
212 __u8 status = *((__u8 *) skb->data);
213 void *sent;
04837f64 214
9f1db00c 215 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 216
a9de9248
MH		 217 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
218 if (!sent)
219 return;
04837f64 220
56e5cb86
JH		 221 hci_dev_lock(hdev);
222
f51d5b24
JH		 223 if (test_bit(HCI_MGMT, &hdev->dev_flags))
224 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 225 else if (!status)
226 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 227
56e5cb86 228 hci_dev_unlock(hdev);
a9de9248
MH		 229}
230
231static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
232{
233 struct hci_rp_read_local_name *rp = (void *) skb->data;
234
9f1db00c 235 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 236
237 if (rp->status)
238 return;
239
db99b5fc
JH		 240 if (test_bit(HCI_SETUP, &hdev->dev_flags))
241 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 242}
243
244static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
245{
246 __u8 status = *((__u8 *) skb->data);
247 void *sent;
248
9f1db00c 249 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 250
251 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
252 if (!sent)
253 return;
254
255 if (!status) {
256 __u8 param = *((__u8 *) sent);
257
258 if (param == AUTH_ENABLED)
259 set_bit(HCI_AUTH, &hdev->flags);
260 else
261 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 262 }
a9de9248 263
33ef95ed
JH		 264 if (test_bit(HCI_MGMT, &hdev->dev_flags))
265 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 266}
267
a9de9248 268static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 269{
a9de9248 270 __u8 status = *((__u8 *) skb->data);
45296acd 271 __u8 param;
1da177e4
LT		 272 void *sent;
273
9f1db00c 274 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 275
45296acd
MH		 276 if (status)
277 return;
278
a9de9248
MH		 279 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
280 if (!sent)
281 return;
1da177e4 282
45296acd 283 param = *((__u8 *) sent);
a9de9248 284
45296acd
MH		 285 if (param)
286 set_bit(HCI_ENCRYPT, &hdev->flags);
287 else
288 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 289}
1da177e4 290
a9de9248
MH		 291static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
292{
45296acd
MH		 293 __u8 status = *((__u8 *) skb->data);
294 __u8 param;
a9de9248 295 void *sent;
1da177e4 296
9f1db00c 297 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 298
a9de9248
MH		 299 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
300 if (!sent)
301 return;
1da177e4 302
36f7fc7e
JH		 303 param = *((__u8 *) sent);
304
56e5cb86
JH		 305 hci_dev_lock(hdev);
306
fa1bd918 307 if (status) {
2d7cee58
JH		 308 hdev->discov_timeout = 0;
309 goto done;
310 }
311
bc6d2d04 312 if (param & SCAN_INQUIRY)
36f7fc7e 313 set_bit(HCI_ISCAN, &hdev->flags);
bc6d2d04
JH		 314 else
315 clear_bit(HCI_ISCAN, &hdev->flags);
36f7fc7e 316
031547d8 317 if (param & SCAN_PAGE)
36f7fc7e 318 set_bit(HCI_PSCAN, &hdev->flags);
bc6d2d04 319 else
204e3990 320 clear_bit(HCI_PSCAN, &hdev->flags);
1da177e4 321
36f7fc7e 322done:
56e5cb86 323 hci_dev_unlock(hdev);
a9de9248 324}
1da177e4 325
a9de9248
MH		 326static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
327{
328 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 329
9f1db00c 330 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 331
a9de9248
MH		 332 if (rp->status)
333 return;
1da177e4 334
a9de9248 335 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 336
a9de9248 337 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 338 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 339}
1da177e4 340
a9de9248
MH		 341static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
342{
343 __u8 status = *((__u8 *) skb->data);
344 void *sent;
1da177e4 345
9f1db00c 346 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 347
a9de9248
MH		 348 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
349 if (!sent)
350 return;
1da177e4 351
7f9a903c
MH		 352 hci_dev_lock(hdev);
353
354 if (status == 0)
355 memcpy(hdev->dev_class, sent, 3);
356
357 if (test_bit(HCI_MGMT, &hdev->dev_flags))
358 mgmt_set_class_of_dev_complete(hdev, sent, status);
359
360 hci_dev_unlock(hdev);
a9de9248 361}
1da177e4 362
a9de9248
MH		 363static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
364{
365 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
366 __u16 setting;
367
9f1db00c 368 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 369
370 if (rp->status)
371 return;
372
373 setting = __le16_to_cpu(rp->voice_setting);
374
f383f275 375 if (hdev->voice_setting == setting)
a9de9248
MH		 376 return;
377
378 hdev->voice_setting = setting;
379
9f1db00c 380 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 381
3c54711c 382 if (hdev->notify)
a9de9248 383 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 384}
385
8fc9ced3
GP		 386static void hci_cc_write_voice_setting(struct hci_dev *hdev,
387 struct sk_buff *skb)
a9de9248
MH		 388{
389 __u8 status = *((__u8 *) skb->data);
f383f275 390 __u16 setting;
a9de9248
MH		 391 void *sent;
392
9f1db00c 393 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 394
f383f275
MH		 395 if (status)
396 return;
397
a9de9248
MH		 398 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
399 if (!sent)
400 return;
1da177e4 401
f383f275 402 setting = get_unaligned_le16(sent);
1da177e4 403
f383f275
MH		 404 if (hdev->voice_setting == setting)
405 return;
406
407 hdev->voice_setting = setting;
1da177e4 408
9f1db00c 409 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 410
3c54711c 411 if (hdev->notify)
f383f275 412 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 413}
414
b4cb9fb2
MH		 415static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
416 struct sk_buff *skb)
417{
418 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
419
420 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
421
422 if (rp->status)
423 return;
424
425 hdev->num_iac = rp->num_iac;
426
427 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
428}
429
333140b5
MH		 430static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
431{
432 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 433 struct hci_cp_write_ssp_mode *sent;
333140b5 434
9f1db00c 435 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 436
333140b5
MH		 437 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
438 if (!sent)
439 return;
440
5ed8eb2f
JH		 441 if (!status) {
442 if (sent->mode)
cad718ed 443 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 444 else
cad718ed 445 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 446 }
447
ed2c4ee3 448 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 449 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 450 else if (!status) {
5ed8eb2f 451 if (sent->mode)
c0ecddc2
JH		 452 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
453 else
454 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
455 }
333140b5
MH		 456}
457
eac83dc6
MH		 458static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
459{
460 u8 status = *((u8 *) skb->data);
461 struct hci_cp_write_sc_support *sent;
462
463 BT_DBG("%s status 0x%2.2x", hdev->name, status);
464
465 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
466 if (!sent)
467 return;
468
469 if (!status) {
470 if (sent->support)
471 hdev->features[1][0] |= LMP_HOST_SC;
472 else
473 hdev->features[1][0] &= ~LMP_HOST_SC;
474 }
475
476 if (test_bit(HCI_MGMT, &hdev->dev_flags))
477 mgmt_sc_enable_complete(hdev, sent->support, status);
478 else if (!status) {
479 if (sent->support)
480 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
481 else
482 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
483 }
484}
485
a9de9248
MH		 486static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
487{
488 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 489
9f1db00c 490 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 491
a9de9248 492 if (rp->status)
42c6b129 493 return;
1143e5a6 494
0d5551f5
MH		 495 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
496 hdev->hci_ver = rp->hci_ver;
497 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
498 hdev->lmp_ver = rp->lmp_ver;
499 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
500 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
501 }
d5859e22
JH		 502}
503
8fc9ced3
GP		 504static void hci_cc_read_local_commands(struct hci_dev *hdev,
505 struct sk_buff *skb)
a9de9248
MH		 506{
507 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 508
9f1db00c 509 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 510
6a070e6e
MH		 511 if (rp->status)
512 return;
513
514 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 515 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 516}
1da177e4 517
8fc9ced3
GP		 518static void hci_cc_read_local_features(struct hci_dev *hdev,
519 struct sk_buff *skb)
a9de9248
MH		 520{
521 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 522
9f1db00c 523 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 524
a9de9248
MH		 525 if (rp->status)
526 return;
5b7f9909 527
a9de9248 528 memcpy(hdev->features, rp->features, 8);
5b7f9909 529
a9de9248
MH		 530 /* Adjust default settings according to features
531 * supported by device. */
1da177e4 532
cad718ed 533 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 534 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 535
cad718ed 536 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 537 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 538
cad718ed 539 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 540 hdev->pkt_type |= (HCI_HV2);
541 hdev->esco_type |= (ESCO_HV2);
542 }
1da177e4 543
cad718ed 544 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 545 hdev->pkt_type |= (HCI_HV3);
546 hdev->esco_type |= (ESCO_HV3);
547 }
1da177e4 548
45db810f 549 if (lmp_esco_capable(hdev))
a9de9248 550 hdev->esco_type |= (ESCO_EV3);
da1f5198 551
cad718ed 552 if (hdev->features[0][4] & LMP_EV4)
a9de9248 553 hdev->esco_type |= (ESCO_EV4);
da1f5198 554
cad718ed 555 if (hdev->features[0][4] & LMP_EV5)
a9de9248 556 hdev->esco_type |= (ESCO_EV5);
1da177e4 557
cad718ed 558 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 559 hdev->esco_type |= (ESCO_2EV3);
560
cad718ed 561 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 562 hdev->esco_type |= (ESCO_3EV3);
563
cad718ed 564 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 565 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 566}
1da177e4 567
971e3a4b 568static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 569 struct sk_buff *skb)
971e3a4b
AG		 570{
571 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
572
9f1db00c 573 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 574
575 if (rp->status)
42c6b129 576 return;
971e3a4b 577
57af75a8
MH		 578 if (hdev->max_page < rp->max_page)
579 hdev->max_page = rp->max_page;
d2c5d77f 580
cad718ed
JH		 581 if (rp->page < HCI_MAX_PAGES)
582 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 583}
584
1e89cffb 585static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 586 struct sk_buff *skb)
1e89cffb
AE		 587{
588 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
589
9f1db00c 590 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 591
45296acd
MH		 592 if (rp->status)
593 return;
594
595 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 596}
597
a9de9248
MH		 598static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
599{
600 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 601
9f1db00c 602 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 603
a9de9248
MH		 604 if (rp->status)
605 return;
1da177e4 606
a9de9248
MH		 607 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
608 hdev->sco_mtu = rp->sco_mtu;
609 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
610 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
611
612 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
613 hdev->sco_mtu = 64;
614 hdev->sco_pkts = 8;
1da177e4 615 }
a9de9248
MH		 616
617 hdev->acl_cnt = hdev->acl_pkts;
618 hdev->sco_cnt = hdev->sco_pkts;
619
807deac2
GP		 620 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
621 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 622}
623
624static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
625{
626 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
627
9f1db00c 628 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 629
e30d3f5f
MH		 630 if (rp->status)
631 return;
632
633 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 634 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 635
636 if (test_bit(HCI_SETUP, &hdev->dev_flags))
637 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 638}
639
f332ec66
JH		 640static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
641 struct sk_buff *skb)
642{
643 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
644
645 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
646
45296acd
MH		 647 if (rp->status)
648 return;
649
650 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 651 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
652 hdev->page_scan_window = __le16_to_cpu(rp->window);
653 }
654}
655
4a3ee763
JH		 656static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
657 struct sk_buff *skb)
658{
659 u8 status = *((u8 *) skb->data);
660 struct hci_cp_write_page_scan_activity *sent;
661
662 BT_DBG("%s status 0x%2.2x", hdev->name, status);
663
664 if (status)
665 return;
666
667 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
668 if (!sent)
669 return;
670
671 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
672 hdev->page_scan_window = __le16_to_cpu(sent->window);
673}
674
f332ec66
JH		 675static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
676 struct sk_buff *skb)
677{
678 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
679
680 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
681
45296acd
MH		 682 if (rp->status)
683 return;
684
685 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 686 hdev->page_scan_type = rp->type;
687}
688
4a3ee763
JH		 689static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
690 struct sk_buff *skb)
691{
692 u8 status = *((u8 *) skb->data);
693 u8 *type;
694
695 BT_DBG("%s status 0x%2.2x", hdev->name, status);
696
697 if (status)
698 return;
699
700 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
701 if (type)
702 hdev->page_scan_type = *type;
703}
704
350ee4cf 705static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 706 struct sk_buff *skb)
350ee4cf
AE		 707{
708 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
709
9f1db00c 710 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 711
712 if (rp->status)
713 return;
714
715 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
716 hdev->block_len = __le16_to_cpu(rp->block_len);
717 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
718
719 hdev->block_cnt = hdev->num_blocks;
720
721 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 722 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 723}
724
33f35721
JH		 725static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
726{
727 struct hci_rp_read_clock *rp = (void *) skb->data;
728 struct hci_cp_read_clock *cp;
729 struct hci_conn *conn;
730
731 BT_DBG("%s", hdev->name);
732
733 if (skb->len < sizeof(*rp))
734 return;
735
736 if (rp->status)
737 return;
738
739 hci_dev_lock(hdev);
740
741 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
742 if (!cp)
743 goto unlock;
744
745 if (cp->which == 0x00) {
746 hdev->clock = le32_to_cpu(rp->clock);
747 goto unlock;
748 }
749
750 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
751 if (conn) {
752 conn->clock = le32_to_cpu(rp->clock);
753 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
754 }
755
756unlock:
757 hci_dev_unlock(hdev);
758}
759
928abaa7 760static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 761 struct sk_buff *skb)
928abaa7
AE		 762{
763 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
764
9f1db00c 765 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 766
767 if (rp->status)
8e2a0d92 768 goto a2mp_rsp;
928abaa7
AE		 769
770 hdev->amp_status = rp->amp_status;
771 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
772 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
773 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
774 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
775 hdev->amp_type = rp->amp_type;
776 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
777 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
778 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
779 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
780
8e2a0d92
AE		 781a2mp_rsp:
782 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 783}
784
903e4541
AE		 785static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
786 struct sk_buff *skb)
787{
788 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
789 struct amp_assoc *assoc = &hdev->loc_assoc;
790 size_t rem_len, frag_len;
791
792 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
793
794 if (rp->status)
795 goto a2mp_rsp;
796
797 frag_len = skb->len - sizeof(*rp);
798 rem_len = __le16_to_cpu(rp->rem_len);
799
800 if (rem_len > frag_len) {
2e430be3 801 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 802
803 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
804 assoc->offset += frag_len;
805
806 /* Read other fragments */
807 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
808
809 return;
810 }
811
812 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
813 assoc->len = assoc->offset + rem_len;
814 assoc->offset = 0;
815
816a2mp_rsp:
817 /* Send A2MP Rsp when all fragments are received */
818 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 819 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 820}
821
d5859e22 822static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 823 struct sk_buff *skb)
d5859e22 824{
91c4e9b1 825 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 826
9f1db00c 827 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 828
45296acd
MH		 829 if (rp->status)
830 return;
831
832 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 833}
834
980e1a53
JH		 835static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
836{
837 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
838 struct hci_cp_pin_code_reply *cp;
839 struct hci_conn *conn;
840
9f1db00c 841 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 842
56e5cb86
JH		 843 hci_dev_lock(hdev);
844
a8b2d5c2 845 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 846 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 847
fa1bd918 848 if (rp->status)
56e5cb86 849 goto unlock;
980e1a53
JH		 850
851 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
852 if (!cp)
56e5cb86 853 goto unlock;
980e1a53
JH		 854
855 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
856 if (conn)
857 conn->pin_length = cp->pin_len;
56e5cb86
JH		 858
859unlock:
860 hci_dev_unlock(hdev);
980e1a53
JH		 861}
862
863static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
864{
865 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
866
9f1db00c 867 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 868
56e5cb86
JH		 869 hci_dev_lock(hdev);
870
a8b2d5c2 871 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 872 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 873 rp->status);
56e5cb86
JH		 874
875 hci_dev_unlock(hdev);
980e1a53 876}
56e5cb86 877
6ed58ec5
VT		 878static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
879 struct sk_buff *skb)
880{
881 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
882
9f1db00c 883 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 884
885 if (rp->status)
886 return;
887
888 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
889 hdev->le_pkts = rp->le_max_pkt;
890
891 hdev->le_cnt = hdev->le_pkts;
892
893 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 894}
980e1a53 895
60e77321
JH		 896static void hci_cc_le_read_local_features(struct hci_dev *hdev,
897 struct sk_buff *skb)
898{
899 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
900
901 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
902
45296acd
MH		 903 if (rp->status)
904 return;
905
906 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 907}
908
8fa19098
JH		 909static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
910 struct sk_buff *skb)
911{
912 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
913
914 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
915
45296acd
MH		 916 if (rp->status)
917 return;
918
919 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 920}
921
a5c29683
JH		 922static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
923{
924 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
925
9f1db00c 926 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 927
56e5cb86
JH		 928 hci_dev_lock(hdev);
929
a8b2d5c2 930 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 931 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
932 rp->status);
56e5cb86
JH		 933
934 hci_dev_unlock(hdev);
a5c29683
JH		 935}
936
937static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 938 struct sk_buff *skb)
a5c29683
JH		 939{
940 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
941
9f1db00c 942 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 943
56e5cb86
JH		 944 hci_dev_lock(hdev);
945
a8b2d5c2 946 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 947 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 948 ACL_LINK, 0, rp->status);
56e5cb86
JH		 949
950 hci_dev_unlock(hdev);
a5c29683
JH		 951}
952
1143d458
BG		 953static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
954{
955 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
956
9f1db00c 957 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 958
959 hci_dev_lock(hdev);
960
a8b2d5c2 961 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 962 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 963 0, rp->status);
1143d458
BG		 964
965 hci_dev_unlock(hdev);
966}
967
968static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 969 struct sk_buff *skb)
1143d458
BG		 970{
971 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
972
9f1db00c 973 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 974
975 hci_dev_lock(hdev);
976
a8b2d5c2 977 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 978 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 979 ACL_LINK, 0, rp->status);
1143d458
BG		 980
981 hci_dev_unlock(hdev);
982}
983
4d2d2796
MH		 984static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
985 struct sk_buff *skb)
c35938b2
SJ		 986{
987 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
988
9f1db00c 989 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 990
56e5cb86 991 hci_dev_lock(hdev);
4d2d2796
MH		 992 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
993 NULL, NULL, rp->status);
994 hci_dev_unlock(hdev);
995}
996
997static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
998 struct sk_buff *skb)
999{
1000 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1001
1002 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1003
1004 hci_dev_lock(hdev);
1005 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1006 rp->hash256, rp->randomizer256,
1007 rp->status);
56e5cb86 1008 hci_dev_unlock(hdev);
c35938b2
SJ		 1009}
1010
7a4cd51d
MH		 1011
1012static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1013{
1014 __u8 status = *((__u8 *) skb->data);
1015 bdaddr_t *sent;
1016
1017 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1018
45296acd
MH		 1019 if (status)
1020 return;
1021
7a4cd51d
MH		 1022 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1023 if (!sent)
1024 return;
1025
1026 hci_dev_lock(hdev);
1027
45296acd 1028 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1029
1030 hci_dev_unlock(hdev);
1031}
1032
c1d5dc4a
JH		 1033static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1034{
1035 __u8 *sent, status = *((__u8 *) skb->data);
1036
1037 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1038
45296acd 1039 if (status)
c1d5dc4a
JH		 1040 return;
1041
45296acd
MH		 1042 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1043 if (!sent)
3c857757
JH		 1044 return;
1045
c1d5dc4a
JH		 1046 hci_dev_lock(hdev);
1047
3c857757
JH		 1048 /* If we're doing connection initation as peripheral. Set a
1049 * timeout in case something goes wrong.
1050 */
1051 if (*sent) {
1052 struct hci_conn *conn;
1053
66c417c1
JH		 1054 set_bit(HCI_LE_ADV, &hdev->dev_flags);
1055
3c857757
JH		 1056 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1057 if (conn)
1058 queue_delayed_work(hdev->workqueue,
1059 &conn->le_conn_timeout,
09ae260b 1060 conn->conn_timeout);
66c417c1
JH		 1061 } else {
1062 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
3c857757
JH		 1063 }
1064
04b4edcb 1065 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1066}
1067
533553f8
MH		 1068static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1069{
1070 struct hci_cp_le_set_scan_param *cp;
1071 __u8 status = *((__u8 *) skb->data);
1072
1073 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1074
45296acd
MH		 1075 if (status)
1076 return;
1077
533553f8
MH		 1078 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1079 if (!cp)
1080 return;
1081
1082 hci_dev_lock(hdev);
1083
45296acd 1084 hdev->le_scan_type = cp->type;
533553f8
MH		 1085
1086 hci_dev_unlock(hdev);
1087}
1088
b9a6328f
JH		 1089static bool has_pending_adv_report(struct hci_dev *hdev)
1090{
1091 struct discovery_state *d = &hdev->discovery;
1092
1093 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1094}
1095
1096static void clear_pending_adv_report(struct hci_dev *hdev)
1097{
1098 struct discovery_state *d = &hdev->discovery;
1099
1100 bacpy(&d->last_adv_addr, BDADDR_ANY);
1101 d->last_adv_data_len = 0;
1102}
1103
1104static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1105 u8 bdaddr_type, s8 rssi, u32 flags,
1106 u8 *data, u8 len)
b9a6328f
JH		 1107{
1108 struct discovery_state *d = &hdev->discovery;
1109
1110 bacpy(&d->last_adv_addr, bdaddr);
1111 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1112 d->last_adv_rssi = rssi;
c70a7e4c 1113 d->last_adv_flags = flags;
b9a6328f
JH		 1114 memcpy(d->last_adv_data, data, len);
1115 d->last_adv_data_len = len;
1116}
1117
eb9d91f5 1118static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1119 struct sk_buff *skb)
eb9d91f5
AG		 1120{
1121 struct hci_cp_le_set_scan_enable *cp;
1122 __u8 status = *((__u8 *) skb->data);
1123
9f1db00c 1124 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1125
45296acd 1126 if (status)
eb9d91f5
AG		 1127 return;
1128
45296acd
MH		 1129 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1130 if (!cp)
3fd319b8
AG		 1131 return;
1132
68a8aea4 1133 switch (cp->enable) {
76a388be 1134 case LE_SCAN_ENABLE:
d23264a8 1135 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1136 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1137 clear_pending_adv_report(hdev);
68a8aea4
AE		 1138 break;
1139
76a388be 1140 case LE_SCAN_DISABLE:
b9a6328f
JH		 1141 /* We do this here instead of when setting DISCOVERY_STOPPED
1142 * since the latter would potentially require waiting for
1143 * inquiry to stop too.
1144 */
1145 if (has_pending_adv_report(hdev)) {
1146 struct discovery_state *d = &hdev->discovery;
1147
1148 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1149 d->last_adv_addr_type, NULL,
c70a7e4c 1150 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1151 d->last_adv_data,
b9a6328f
JH		 1152 d->last_adv_data_len, NULL, 0);
1153 }
1154
317ac8cb
JH		 1155 /* Cancel this timer so that we don't try to disable scanning
1156 * when it's already disabled.
1157 */
1158 cancel_delayed_work(&hdev->le_scan_disable);
1159
d23264a8 1160 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
e8bb6b97 1161
81ad6fd9
JH		 1162 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1163 * interrupted scanning due to a connect request. Mark
e8bb6b97
JH		 1164 * therefore discovery as stopped. If this was not
1165 * because of a connect request advertising might have
1166 * been disabled because of active scanning, so
1167 * re-enable it again if necessary.
81ad6fd9
JH		 1168 */
1169 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1170 &hdev->dev_flags))
1171 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
e8bb6b97 1172 else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
34722277 1173 hdev->discovery.state == DISCOVERY_FINDING)
e8bb6b97
JH		 1174 mgmt_reenable_advertising(hdev);
1175
68a8aea4
AE		 1176 break;
1177
1178 default:
1179 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1180 break;
35815085 1181 }
eb9d91f5
AG		 1182}
1183
cf1d081f
JH		 1184static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1185 struct sk_buff *skb)
1186{
1187 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1188
1189 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1190
45296acd
MH		 1191 if (rp->status)
1192 return;
1193
1194 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1195}
1196
0f36b589
MH		 1197static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1198 struct sk_buff *skb)
1199{
1200 __u8 status = *((__u8 *) skb->data);
1201
1202 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1203
45296acd
MH		 1204 if (status)
1205 return;
1206
dcc36c16 1207 hci_bdaddr_list_clear(&hdev->le_white_list);
0f36b589
MH		 1208}
1209
1210static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1211 struct sk_buff *skb)
1212{
1213 struct hci_cp_le_add_to_white_list *sent;
1214 __u8 status = *((__u8 *) skb->data);
1215
1216 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1217
45296acd
MH		 1218 if (status)
1219 return;
1220
0f36b589
MH		 1221 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1222 if (!sent)
1223 return;
1224
dcc36c16
JH		 1225 hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
1226 sent->bdaddr_type);
0f36b589
MH		 1227}
1228
1229static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1230 struct sk_buff *skb)
1231{
1232 struct hci_cp_le_del_from_white_list *sent;
1233 __u8 status = *((__u8 *) skb->data);
1234
1235 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1236
45296acd
MH		 1237 if (status)
1238 return;
1239
0f36b589
MH		 1240 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1241 if (!sent)
1242 return;
1243
dcc36c16
JH		 1244 hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
1245 sent->bdaddr_type);
0f36b589
MH		 1246}
1247
9b008c04
JH		 1248static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1249 struct sk_buff *skb)
1250{
1251 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1252
1253 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1254
45296acd
MH		 1255 if (rp->status)
1256 return;
1257
1258 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1259}
1260
6039aa73
GP		 1261static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1262 struct sk_buff *skb)
f9b49306 1263{
06199cf8 1264 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1265 __u8 status = *((__u8 *) skb->data);
1266
9f1db00c 1267 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1268
45296acd
MH		 1269 if (status)
1270 return;
1271
06199cf8 1272 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1273 if (!sent)
f9b49306
AG		 1274 return;
1275
45296acd
MH		 1276 if (sent->le) {
1277 hdev->features[1][0] |= LMP_HOST_LE;
1278 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1279 } else {
1280 hdev->features[1][0] &= ~LMP_HOST_LE;
1281 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1282 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1283 }
45296acd
MH		 1284
1285 if (sent->simul)
1286 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1287 else
1288 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1289}
1290
56ed2cb8
JH		 1291static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1292{
1293 struct hci_cp_le_set_adv_param *cp;
1294 u8 status = *((u8 *) skb->data);
1295
1296 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1297
1298 if (status)
1299 return;
1300
1301 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1302 if (!cp)
1303 return;
1304
1305 hci_dev_lock(hdev);
1306 hdev->adv_addr_type = cp->own_address_type;
1307 hci_dev_unlock(hdev);
1308}
1309
93c284ee
AE		 1310static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1311 struct sk_buff *skb)
1312{
1313 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1314
1315 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1316 hdev->name, rp->status, rp->phy_handle);
1317
1318 if (rp->status)
1319 return;
1320
1321 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1322}
1323
5ae76a94
AK		 1324static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1325{
1326 struct hci_rp_read_rssi *rp = (void *) skb->data;
1327 struct hci_conn *conn;
1328
1329 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1330
1331 if (rp->status)
1332 return;
1333
1334 hci_dev_lock(hdev);
1335
1336 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1337 if (conn)
1338 conn->rssi = rp->rssi;
1339
1340 hci_dev_unlock(hdev);
1341}
1342
5a134fae
AK		 1343static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1344{
1345 struct hci_cp_read_tx_power *sent;
1346 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1347 struct hci_conn *conn;
1348
1349 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1350
1351 if (rp->status)
1352 return;
1353
1354 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1355 if (!sent)
1356 return;
1357
1358 hci_dev_lock(hdev);
1359
1360 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1361 if (!conn)
1362 goto unlock;
1363
1364 switch (sent->type) {
1365 case 0x00:
5a134fae 1366 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1367 break;
1368 case 0x01:
1369 conn->max_tx_power = rp->tx_power;
1370 break;
1371 }
5a134fae 1372
d0455ed9 1373unlock:
5a134fae
AK		 1374 hci_dev_unlock(hdev);
1375}
1376
6039aa73 1377static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1378{
9f1db00c 1379 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1380
1381 if (status) {
a9de9248 1382 hci_conn_check_pending(hdev);
314b2381
JH		 1383 return;
1384 }
1385
89352e7d 1386 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1387}
1388
6039aa73 1389static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1390{
a9de9248 1391 struct hci_cp_create_conn *cp;
1da177e4 1392 struct hci_conn *conn;
1da177e4 1393
9f1db00c 1394 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1395
1396 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1397 if (!cp)
1398 return;
1399
1400 hci_dev_lock(hdev);
1401
1402 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1403
6ed93dc6 1404 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1405
1406 if (status) {
1407 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1408 if (status != 0x0c || conn->attempt > 2) {
1409 conn->state = BT_CLOSED;
1410 hci_proto_connect_cfm(conn, status);
1411 hci_conn_del(conn);
1412 } else
1413 conn->state = BT_CONNECT2;
1da177e4
LT		 1414 }
1415 } else {
1416 if (!conn) {
a5c4e309
JH		 1417 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr,
1418 HCI_ROLE_MASTER);
1419 if (!conn)
893ef971 1420 BT_ERR("No memory for new connection");
1da177e4
LT		 1421 }
1422 }
1423
1424 hci_dev_unlock(hdev);
1425}
1426
a9de9248 1427static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1428{
a9de9248
MH		 1429 struct hci_cp_add_sco *cp;
1430 struct hci_conn *acl, *sco;
1431 __u16 handle;
1da177e4 1432
9f1db00c 1433 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1434
a9de9248
MH		 1435 if (!status)
1436 return;
1da177e4 1437
a9de9248
MH		 1438 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1439 if (!cp)
1440 return;
1da177e4 1441
a9de9248 1442 handle = __le16_to_cpu(cp->handle);
1da177e4 1443
9f1db00c 1444 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1445
a9de9248 1446 hci_dev_lock(hdev);
1da177e4 1447
a9de9248 1448 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1449 if (acl) {
1450 sco = acl->link;
1451 if (sco) {
1452 sco->state = BT_CLOSED;
1da177e4 1453
5a08ecce
AE		 1454 hci_proto_connect_cfm(sco, status);
1455 hci_conn_del(sco);
1456 }
a9de9248 1457 }
1da177e4 1458
a9de9248
MH		 1459 hci_dev_unlock(hdev);
1460}
1da177e4 1461
f8558555
MH		 1462static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1463{
1464 struct hci_cp_auth_requested *cp;
1465 struct hci_conn *conn;
1466
9f1db00c 1467 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1468
1469 if (!status)
1470 return;
1471
1472 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1473 if (!cp)
1474 return;
1475
1476 hci_dev_lock(hdev);
1477
1478 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1479 if (conn) {
1480 if (conn->state == BT_CONFIG) {
1481 hci_proto_connect_cfm(conn, status);
76a68ba0 1482 hci_conn_drop(conn);
f8558555
MH		 1483 }
1484 }
1485
1486 hci_dev_unlock(hdev);
1487}
1488
1489static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1490{
1491 struct hci_cp_set_conn_encrypt *cp;
1492 struct hci_conn *conn;
1493
9f1db00c 1494 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1495
1496 if (!status)
1497 return;
1498
1499 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1500 if (!cp)
1501 return;
1502
1503 hci_dev_lock(hdev);
1504
1505 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1506 if (conn) {
1507 if (conn->state == BT_CONFIG) {
1508 hci_proto_connect_cfm(conn, status);
76a68ba0 1509 hci_conn_drop(conn);
f8558555
MH		 1510 }
1511 }
1512
1513 hci_dev_unlock(hdev);
1514}
1515
127178d2 1516static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1517 struct hci_conn *conn)
392599b9 1518{
392599b9
JH		 1519 if (conn->state != BT_CONFIG || !conn->out)
1520 return 0;
1521
765c2a96 1522 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1523 return 0;
1524
1525 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1526 * devices with sec_level MEDIUM or HIGH or if MITM protection
1527 * is requested.
1528 */
807deac2 1529 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1530 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1531 conn->pending_sec_level != BT_SECURITY_HIGH &&
1532 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1533 return 0;
1534
392599b9
JH		 1535 return 1;
1536}
1537
6039aa73 1538static int hci_resolve_name(struct hci_dev *hdev,
04124681 1539 struct inquiry_entry *e)
30dc78e1
JH		 1540{
1541 struct hci_cp_remote_name_req cp;
1542
1543 memset(&cp, 0, sizeof(cp));
1544
1545 bacpy(&cp.bdaddr, &e->data.bdaddr);
1546 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1547 cp.pscan_mode = e->data.pscan_mode;
1548 cp.clock_offset = e->data.clock_offset;
1549
1550 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1551}
1552
b644ba33 1553static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1554{
1555 struct discovery_state *discov = &hdev->discovery;
1556 struct inquiry_entry *e;
1557
b644ba33
JH		 1558 if (list_empty(&discov->resolve))
1559 return false;
1560
1561 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1562 if (!e)
1563 return false;
1564
b644ba33
JH		 1565 if (hci_resolve_name(hdev, e) == 0) {
1566 e->name_state = NAME_PENDING;
1567 return true;
1568 }
1569
1570 return false;
1571}
1572
1573static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1574 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1575{
1576 struct discovery_state *discov = &hdev->discovery;
1577 struct inquiry_entry *e;
1578
1579 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP		 1580 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1581 name_len, conn->dev_class);
b644ba33
JH		 1582
1583 if (discov->state == DISCOVERY_STOPPED)
1584 return;
1585
30dc78e1
JH		 1586 if (discov->state == DISCOVERY_STOPPING)
1587 goto discov_complete;
1588
1589 if (discov->state != DISCOVERY_RESOLVING)
1590 return;
1591
1592 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1593 /* If the device was not found in a list of found devices names of which
1594 * are pending. there is no need to continue resolving a next name as it
1595 * will be done upon receiving another Remote Name Request Complete
1596 * Event */
1597 if (!e)
1598 return;
1599
1600 list_del(&e->list);
1601 if (name) {
30dc78e1 1602 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1603 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1604 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1605 } else {
1606 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1607 }
1608
b644ba33 1609 if (hci_resolve_next_name(hdev))
30dc78e1 1610 return;
30dc78e1
JH		 1611
1612discov_complete:
1613 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1614}
1615
a9de9248
MH		 1616static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1617{
127178d2
JH		 1618 struct hci_cp_remote_name_req *cp;
1619 struct hci_conn *conn;
1620
9f1db00c 1621 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1622
1623 /* If successful wait for the name req complete event before
1624 * checking for the need to do authentication */
1625 if (!status)
1626 return;
1627
1628 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1629 if (!cp)
1630 return;
1631
1632 hci_dev_lock(hdev);
1633
b644ba33
JH		 1634 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1635
a8b2d5c2 1636 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1637 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1638
79c6c70c
JH		 1639 if (!conn)
1640 goto unlock;
1641
1642 if (!hci_outgoing_auth_needed(hdev, conn))
1643 goto unlock;
1644
51a8efd7 1645 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1646 struct hci_cp_auth_requested auth_cp;
1647
977f8fce
JH		 1648 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
1649
c1f23a2b
JB		 1650 auth_cp.handle = __cpu_to_le16(conn->handle);
1651 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1652 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1653 }
1654
79c6c70c 1655unlock:
127178d2 1656 hci_dev_unlock(hdev);
a9de9248 1657}
1da177e4 1658
769be974
MH		 1659static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1660{
1661 struct hci_cp_read_remote_features *cp;
1662 struct hci_conn *conn;
1663
9f1db00c 1664 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1665
1666 if (!status)
1667 return;
1668
1669 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1670 if (!cp)
1671 return;
1672
1673 hci_dev_lock(hdev);
1674
1675 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1676 if (conn) {
1677 if (conn->state == BT_CONFIG) {
769be974 1678 hci_proto_connect_cfm(conn, status);
76a68ba0 1679 hci_conn_drop(conn);
769be974
MH		 1680 }
1681 }
1682
1683 hci_dev_unlock(hdev);
1684}
1685
1686static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1687{
1688 struct hci_cp_read_remote_ext_features *cp;
1689 struct hci_conn *conn;
1690
9f1db00c 1691 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1692
1693 if (!status)
1694 return;
1695
1696 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1697 if (!cp)
1698 return;
1699
1700 hci_dev_lock(hdev);
1701
1702 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1703 if (conn) {
1704 if (conn->state == BT_CONFIG) {
769be974 1705 hci_proto_connect_cfm(conn, status);
76a68ba0 1706 hci_conn_drop(conn);
769be974
MH		 1707 }
1708 }
1709
1710 hci_dev_unlock(hdev);
1711}
1712
a9de9248
MH		 1713static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1714{
b6a0dc82
MH		 1715 struct hci_cp_setup_sync_conn *cp;
1716 struct hci_conn *acl, *sco;
1717 __u16 handle;
1718
9f1db00c 1719 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1720
1721 if (!status)
1722 return;
1723
1724 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1725 if (!cp)
1726 return;
1727
1728 handle = __le16_to_cpu(cp->handle);
1729
9f1db00c 1730 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1731
1732 hci_dev_lock(hdev);
1733
1734 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1735 if (acl) {
1736 sco = acl->link;
1737 if (sco) {
1738 sco->state = BT_CLOSED;
b6a0dc82 1739
5a08ecce
AE		 1740 hci_proto_connect_cfm(sco, status);
1741 hci_conn_del(sco);
1742 }
b6a0dc82
MH		 1743 }
1744
1745 hci_dev_unlock(hdev);
1da177e4
LT		 1746}
1747
a9de9248 1748static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1749{
a9de9248
MH		 1750 struct hci_cp_sniff_mode *cp;
1751 struct hci_conn *conn;
1da177e4 1752
9f1db00c 1753 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1754
a9de9248
MH		 1755 if (!status)
1756 return;
04837f64 1757
a9de9248
MH		 1758 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1759 if (!cp)
1760 return;
04837f64 1761
a9de9248 1762 hci_dev_lock(hdev);
04837f64 1763
a9de9248 1764 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1765 if (conn) {
51a8efd7 1766 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1767
51a8efd7 1768 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1769 hci_sco_setup(conn, status);
1770 }
1771
a9de9248
MH		 1772 hci_dev_unlock(hdev);
1773}
04837f64 1774
a9de9248
MH		 1775static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1776{
1777 struct hci_cp_exit_sniff_mode *cp;
1778 struct hci_conn *conn;
04837f64 1779
9f1db00c 1780 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1781
a9de9248
MH		 1782 if (!status)
1783 return;
04837f64 1784
a9de9248
MH		 1785 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1786 if (!cp)
1787 return;
04837f64 1788
a9de9248 1789 hci_dev_lock(hdev);
1da177e4 1790
a9de9248 1791 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1792 if (conn) {
51a8efd7 1793 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1794
51a8efd7 1795 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1796 hci_sco_setup(conn, status);
1797 }
1798
a9de9248 1799 hci_dev_unlock(hdev);
1da177e4
LT		 1800}
1801
88c3df13
JH		 1802static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1803{
1804 struct hci_cp_disconnect *cp;
1805 struct hci_conn *conn;
1806
1807 if (!status)
1808 return;
1809
1810 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1811 if (!cp)
1812 return;
1813
1814 hci_dev_lock(hdev);
1815
1816 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1817 if (conn)
1818 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1819 conn->dst_type, status);
88c3df13
JH		 1820
1821 hci_dev_unlock(hdev);
1822}
1823
a02226d6
AE		 1824static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1825{
93c284ee
AE		 1826 struct hci_cp_create_phy_link *cp;
1827
a02226d6 1828 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1829
93c284ee
AE		 1830 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1831 if (!cp)
1832 return;
1833
e58917b9
AE		 1834 hci_dev_lock(hdev);
1835
1836 if (status) {
1837 struct hci_conn *hcon;
1838
1839 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1840 if (hcon)
1841 hci_conn_del(hcon);
1842 } else {
1843 amp_write_remote_assoc(hdev, cp->phy_handle);
1844 }
1845
1846 hci_dev_unlock(hdev);
a02226d6
AE		 1847}
1848
0b26ab9d
AE		 1849static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1850{
1851 struct hci_cp_accept_phy_link *cp;
1852
1853 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1854
1855 if (status)
1856 return;
1857
1858 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1859 if (!cp)
1860 return;
1861
1862 amp_write_remote_assoc(hdev, cp->phy_handle);
1863}
1864
cb1d68f7
JH		 1865static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1866{
1867 struct hci_cp_le_create_conn *cp;
1868 struct hci_conn *conn;
1869
1870 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1871
1872 /* All connection failure handling is taken care of by the
1873 * hci_le_conn_failed function which is triggered by the HCI
1874 * request completion callbacks used for connecting.
1875 */
1876 if (status)
1877 return;
1878
1879 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1880 if (!cp)
1881 return;
1882
1883 hci_dev_lock(hdev);
1884
1885 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1886 if (!conn)
1887 goto unlock;
1888
1889 /* Store the initiator and responder address information which
1890 * is needed for SMP. These values will not change during the
1891 * lifetime of the connection.
1892 */
1893 conn->init_addr_type = cp->own_address_type;
1894 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1895 bacpy(&conn->init_addr, &hdev->random_addr);
1896 else
1897 bacpy(&conn->init_addr, &hdev->bdaddr);
1898
1899 conn->resp_addr_type = cp->peer_addr_type;
1900 bacpy(&conn->resp_addr, &cp->peer_addr);
1901
9489eca4
JH		 1902 /* We don't want the connection attempt to stick around
1903 * indefinitely since LE doesn't have a page timeout concept
1904 * like BR/EDR. Set a timer for any connection that doesn't use
1905 * the white list for connecting.
1906 */
1907 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1908 queue_delayed_work(conn->hdev->workqueue,
1909 &conn->le_conn_timeout,
09ae260b 1910 conn->conn_timeout);
9489eca4 1911
cb1d68f7
JH		 1912unlock:
1913 hci_dev_unlock(hdev);
1914}
1915
81d0c8ad
JH		 1916static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1917{
1918 struct hci_cp_le_start_enc *cp;
1919 struct hci_conn *conn;
1920
1921 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1922
1923 if (!status)
1924 return;
1925
1926 hci_dev_lock(hdev);
1927
1928 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1929 if (!cp)
1930 goto unlock;
1931
1932 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1933 if (!conn)
1934 goto unlock;
1935
1936 if (conn->state != BT_CONNECTED)
1937 goto unlock;
1938
1939 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1940 hci_conn_drop(conn);
1941
1942unlock:
1943 hci_dev_unlock(hdev);
1944}
1945
6039aa73 1946static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1947{
1948 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1949 struct discovery_state *discov = &hdev->discovery;
1950 struct inquiry_entry *e;
1da177e4 1951
9f1db00c 1952 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1953
a9de9248 1954 hci_conn_check_pending(hdev);
89352e7d
AG		 1955
1956 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1957 return;
1958
4e857c58 1959 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1960 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1961
a8b2d5c2 1962 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1963 return;
1964
56e5cb86 1965 hci_dev_lock(hdev);
30dc78e1 1966
343f935b 1967 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1968 goto unlock;
1969
1970 if (list_empty(&discov->resolve)) {
1971 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1972 goto unlock;
1973 }
1974
1975 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1976 if (e && hci_resolve_name(hdev, e) == 0) {
1977 e->name_state = NAME_PENDING;
1978 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1979 } else {
1980 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1981 }
1982
1983unlock:
56e5cb86 1984 hci_dev_unlock(hdev);
1da177e4
LT		 1985}
1986
6039aa73 1987static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1988{
45bb4bf0 1989 struct inquiry_data data;
a9de9248 1990 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1991 int num_rsp = *((__u8 *) skb->data);
1992
1993 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1994
45bb4bf0
MH		 1995 if (!num_rsp)
1996 return;
1997
1519cc17
AG		 1998 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1999 return;
2000
1da177e4 2001 hci_dev_lock(hdev);
45bb4bf0 2002
e17acd40 2003 for (; num_rsp; num_rsp--, info++) {
af58925c 2004 u32 flags;
3175405b 2005
1da177e4
LT		 2006 bacpy(&data.bdaddr, &info->bdaddr);
2007 data.pscan_rep_mode = info->pscan_rep_mode;
2008 data.pscan_period_mode = info->pscan_period_mode;
2009 data.pscan_mode = info->pscan_mode;
2010 memcpy(data.dev_class, info->dev_class, 3);
2011 data.clock_offset = info->clock_offset;
2012 data.rssi = 0x00;
41a96212 2013 data.ssp_mode = 0x00;
3175405b 2014
af58925c
MH		 2015 flags = hci_inquiry_cache_update(hdev, &data, false);
2016
48264f06 2017 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2018 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2019 }
45bb4bf0 2020
1da177e4
LT		 2021 hci_dev_unlock(hdev);
2022}
2023
6039aa73 2024static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2025{
a9de9248
MH		 2026 struct hci_ev_conn_complete *ev = (void *) skb->data;
2027 struct hci_conn *conn;
1da177e4
LT		 2028
2029 BT_DBG("%s", hdev->name);
2030
2031 hci_dev_lock(hdev);
2032
2033 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2034 if (!conn) {
2035 if (ev->link_type != SCO_LINK)
2036 goto unlock;
2037
2038 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2039 if (!conn)
2040 goto unlock;
2041
2042 conn->type = SCO_LINK;
2043 }
1da177e4
LT		 2044
2045 if (!ev->status) {
2046 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2047
2048 if (conn->type == ACL_LINK) {
2049 conn->state = BT_CONFIG;
2050 hci_conn_hold(conn);
a9ea3ed9
SJ		 2051
2052 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2053 !hci_find_link_key(hdev, &ev->bdaddr))
2054 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2055 else
2056 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2057 } else
2058 conn->state = BT_CONNECTED;
1da177e4 2059
7d0db0a3
MH		 2060 hci_conn_add_sysfs(conn);
2061
1da177e4 2062 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2063 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2064
2065 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2066 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2067
04837f64
MH		 2068 /* Get remote features */
2069 if (conn->type == ACL_LINK) {
2070 struct hci_cp_read_remote_features cp;
2071 cp.handle = ev->handle;
769be974 2072 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2073 sizeof(cp), &cp);
22f433dc
JH		 2074
2075 hci_update_page_scan(hdev, NULL);
04837f64
MH		 2076 }
2077
1da177e4 2078 /* Set packet type for incoming connection */
d095c1eb 2079 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2080 struct hci_cp_change_conn_ptype cp;
2081 cp.handle = ev->handle;
a8746417 2082 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2083 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2084 &cp);
1da177e4 2085 }
17d5c04c 2086 } else {
1da177e4 2087 conn->state = BT_CLOSED;
17d5c04c 2088 if (conn->type == ACL_LINK)
64c7b77c 2089 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2090 conn->dst_type, ev->status);
17d5c04c 2091 }
1da177e4 2092
e73439d8
MH		 2093 if (conn->type == ACL_LINK)
2094 hci_sco_setup(conn, ev->status);
1da177e4 2095
769be974
MH		 2096 if (ev->status) {
2097 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2098 hci_conn_del(conn);
c89b6e6b
MH		 2099 } else if (ev->link_type != ACL_LINK)
2100 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2101
a9de9248 2102unlock:
1da177e4 2103 hci_dev_unlock(hdev);
1da177e4 2104
a9de9248 2105 hci_conn_check_pending(hdev);
1da177e4
LT		 2106}
2107
70c46425
JH		 2108static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
2109{
2110 struct hci_cp_reject_conn_req cp;
2111
2112 bacpy(&cp.bdaddr, bdaddr);
2113 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
2114 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
2115}
2116
6039aa73 2117static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2118{
a9de9248
MH		 2119 struct hci_ev_conn_request *ev = (void *) skb->data;
2120 int mask = hdev->link_mode;
70c46425
JH		 2121 struct inquiry_entry *ie;
2122 struct hci_conn *conn;
20714bfe 2123 __u8 flags = 0;
1da177e4 2124
6ed93dc6 2125 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2126 ev->link_type);
1da177e4 2127
20714bfe
FD		 2128 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2129 &flags);
1da177e4 2130
70c46425
JH		 2131 if (!(mask & HCI_LM_ACCEPT)) {
2132 hci_reject_conn(hdev, &ev->bdaddr);
2133 return;
2134 }
2135
46c4c941
JH		 2136 if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
2137 BDADDR_BREDR)) {
2138 hci_reject_conn(hdev, &ev->bdaddr);
2139 return;
2140 }
2141
2142 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
2143 !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
2144 BDADDR_BREDR)) {
2145 hci_reject_conn(hdev, &ev->bdaddr);
2146 return;
70c46425 2147 }
1da177e4 2148
70c46425 2149 /* Connection accepted */
b6a0dc82 2150
70c46425
JH		 2151 hci_dev_lock(hdev);
2152
2153 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2154 if (ie)
2155 memcpy(ie->data.dev_class, ev->dev_class, 3);
c7bdd502 2156
70c46425
JH		 2157 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2158 &ev->bdaddr);
2159 if (!conn) {
a5c4e309
JH		 2160 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
2161 HCI_ROLE_SLAVE);
a9de9248 2162 if (!conn) {
70c46425
JH		 2163 BT_ERR("No memory for new connection");
2164 hci_dev_unlock(hdev);
2165 return;
1da177e4 2166 }
70c46425 2167 }
b6a0dc82 2168
70c46425 2169 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2170
70c46425 2171 hci_dev_unlock(hdev);
1da177e4 2172
70c46425
JH		 2173 if (ev->link_type == ACL_LINK ||
2174 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
2175 struct hci_cp_accept_conn_req cp;
2176 conn->state = BT_CONNECT;
1da177e4 2177
70c46425 2178 bacpy(&cp.bdaddr, &ev->bdaddr);
b6a0dc82 2179
70c46425
JH		 2180 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2181 cp.role = 0x00; /* Become master */
2182 else
2183 cp.role = 0x01; /* Remain slave */
b6a0dc82 2184
70c46425
JH		 2185 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
2186 } else if (!(flags & HCI_PROTO_DEFER)) {
2187 struct hci_cp_accept_sync_conn_req cp;
2188 conn->state = BT_CONNECT;
b6a0dc82 2189
70c46425
JH		 2190 bacpy(&cp.bdaddr, &ev->bdaddr);
2191 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2192
70c46425
JH		 2193 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2194 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2195 cp.max_latency = cpu_to_le16(0xffff);
2196 cp.content_format = cpu_to_le16(hdev->voice_setting);
2197 cp.retrans_effort = 0xff;
1da177e4 2198
70c46425
JH		 2199 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
2200 &cp);
a9de9248 2201 } else {
70c46425
JH		 2202 conn->state = BT_CONNECT2;
2203 hci_proto_connect_cfm(conn, 0);
1da177e4 2204 }
1da177e4
LT		 2205}
2206
f0d6a0ea
MA		 2207static u8 hci_to_mgmt_reason(u8 err)
2208{
2209 switch (err) {
2210 case HCI_ERROR_CONNECTION_TIMEOUT:
2211 return MGMT_DEV_DISCONN_TIMEOUT;
2212 case HCI_ERROR_REMOTE_USER_TERM:
2213 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2214 case HCI_ERROR_REMOTE_POWER_OFF:
2215 return MGMT_DEV_DISCONN_REMOTE;
2216 case HCI_ERROR_LOCAL_HOST_TERM:
2217 return MGMT_DEV_DISCONN_LOCAL_HOST;
2218 default:
2219 return MGMT_DEV_DISCONN_UNKNOWN;
2220 }
2221}
2222
6039aa73 2223static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2224{
a9de9248 2225 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2226 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2227 struct hci_conn_params *params;
04837f64 2228 struct hci_conn *conn;
12d4a3b2 2229 bool mgmt_connected;
3846220b 2230 u8 type;
04837f64 2231
9f1db00c 2232 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2233
2234 hci_dev_lock(hdev);
2235
2236 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2237 if (!conn)
2238 goto unlock;
7d0db0a3 2239
abf54a50
AG		 2240 if (ev->status) {
2241 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2242 conn->dst_type, ev->status);
2243 goto unlock;
37d9ef76 2244 }
f7520543 2245
3846220b
AG		 2246 conn->state = BT_CLOSED;
2247
12d4a3b2
JH		 2248 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2249 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2250 reason, mgmt_connected);
abf54a50 2251
22f433dc
JH		 2252 if (conn->type == ACL_LINK) {
2253 if (test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
2254 hci_remove_link_key(hdev, &conn->dst);
2255
2256 hci_update_page_scan(hdev, NULL);
2257 }
2210246c 2258
9fcb18ef
AG		 2259 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2260 if (params) {
2261 switch (params->auto_connect) {
2262 case HCI_AUTO_CONN_LINK_LOSS:
2263 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2264 break;
2265 /* Fall through */
2266
4b9e7e75 2267 case HCI_AUTO_CONN_DIRECT:
9fcb18ef 2268 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2269 list_del_init(&params->action);
2270 list_add(&params->action, &hdev->pend_le_conns);
2271 hci_update_background_scan(hdev);
9fcb18ef
AG		 2272 break;
2273
2274 default:
2275 break;
2276 }
2277 }
2278
3846220b 2279 type = conn->type;
2210246c 2280
3846220b
AG		 2281 hci_proto_disconn_cfm(conn, ev->reason);
2282 hci_conn_del(conn);
2283
2284 /* Re-enable advertising if necessary, since it might
2285 * have been disabled by the connection. From the
2286 * HCI_LE_Set_Advertise_Enable command description in
2287 * the core specification (v4.0):
2288 * "The Controller shall continue advertising until the Host
2289 * issues an LE_Set_Advertise_Enable command with
2290 * Advertising_Enable set to 0x00 (Advertising is disabled)
2291 * or until a connection is created or until the Advertising
2292 * is timed out due to Directed Advertising."
2293 */
2294 if (type == LE_LINK)
2295 mgmt_reenable_advertising(hdev);
f7520543
JH		 2296
2297unlock:
04837f64
MH		 2298 hci_dev_unlock(hdev);
2299}
2300
6039aa73 2301static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2302{
a9de9248 2303 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2304 struct hci_conn *conn;
1da177e4 2305
9f1db00c 2306 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2307
2308 hci_dev_lock(hdev);
2309
04837f64 2310 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2311 if (!conn)
2312 goto unlock;
2313
2314 if (!ev->status) {
aa64a8b5 2315 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2316 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2317 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2318 } else {
4dae2798 2319 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2320 conn->sec_level = conn->pending_sec_level;
2a611692 2321 }
d7556e20 2322 } else {
e1e930f5 2323 mgmt_auth_failed(conn, ev->status);
d7556e20 2324 }
1da177e4 2325
51a8efd7
JH		 2326 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2327 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2328
d7556e20 2329 if (conn->state == BT_CONFIG) {
aa64a8b5 2330 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2331 struct hci_cp_set_conn_encrypt cp;
2332 cp.handle = ev->handle;
2333 cp.encrypt = 0x01;
2334 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2335 &cp);
052b30b0 2336 } else {
d7556e20
WR		 2337 conn->state = BT_CONNECTED;
2338 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2339 hci_conn_drop(conn);
052b30b0 2340 }
d7556e20
WR		 2341 } else {
2342 hci_auth_cfm(conn, ev->status);
052b30b0 2343
d7556e20
WR		 2344 hci_conn_hold(conn);
2345 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2346 hci_conn_drop(conn);
d7556e20
WR		 2347 }
2348
51a8efd7 2349 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2350 if (!ev->status) {
2351 struct hci_cp_set_conn_encrypt cp;
2352 cp.handle = ev->handle;
2353 cp.encrypt = 0x01;
2354 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2355 &cp);
d7556e20 2356 } else {
51a8efd7 2357 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2358 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2359 }
2360 }
2361
d7556e20 2362unlock:
1da177e4
LT		 2363 hci_dev_unlock(hdev);
2364}
2365
6039aa73 2366static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2367{
127178d2
JH		 2368 struct hci_ev_remote_name *ev = (void *) skb->data;
2369 struct hci_conn *conn;
2370
a9de9248 2371 BT_DBG("%s", hdev->name);
1da177e4 2372
a9de9248 2373 hci_conn_check_pending(hdev);
127178d2
JH		 2374
2375 hci_dev_lock(hdev);
2376
b644ba33 2377 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2378
b644ba33
JH		 2379 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2380 goto check_auth;
a88a9652 2381
b644ba33
JH		 2382 if (ev->status == 0)
2383 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2384 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2385 else
2386 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2387
2388check_auth:
79c6c70c
JH		 2389 if (!conn)
2390 goto unlock;
2391
2392 if (!hci_outgoing_auth_needed(hdev, conn))
2393 goto unlock;
2394
51a8efd7 2395 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2 2396 struct hci_cp_auth_requested cp;
977f8fce
JH		 2397
2398 set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
2399
127178d2
JH		 2400 cp.handle = __cpu_to_le16(conn->handle);
2401 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2402 }
2403
79c6c70c 2404unlock:
127178d2 2405 hci_dev_unlock(hdev);
a9de9248
MH		 2406}
2407
6039aa73 2408static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2409{
2410 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2411 struct hci_conn *conn;
2412
9f1db00c 2413 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2414
2415 hci_dev_lock(hdev);
2416
04837f64 2417 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2418 if (!conn)
2419 goto unlock;
1da177e4 2420
dc8357cc
MH		 2421 if (!ev->status) {
2422 if (ev->encrypt) {
2423 /* Encryption implies authentication */
4dae2798
JH		 2424 set_bit(HCI_CONN_AUTH, &conn->flags);
2425 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2426 conn->sec_level = conn->pending_sec_level;
abf76bad 2427
914a6ffe
MH		 2428 /* P-256 authentication key implies FIPS */
2429 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2430 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2431
abf76bad
MH		 2432 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2433 conn->type == LE_LINK)
2434 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2435 } else {
4dae2798 2436 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2437 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2438 }
dc8357cc 2439 }
a7d7723a 2440
dc8357cc 2441 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2442
dc8357cc
MH		 2443 if (ev->status && conn->state == BT_CONNECTED) {
2444 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2445 hci_conn_drop(conn);
2446 goto unlock;
1da177e4
LT		 2447 }
2448
dc8357cc
MH		 2449 if (conn->state == BT_CONFIG) {
2450 if (!ev->status)
2451 conn->state = BT_CONNECTED;
2452
40b552aa
MH		 2453 /* In Secure Connections Only mode, do not allow any
2454 * connections that are not encrypted with AES-CCM
2455 * using a P-256 authenticated combination key.
2456 */
2457 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2458 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2459 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2460 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2461 hci_conn_drop(conn);
2462 goto unlock;
2463 }
2464
dc8357cc
MH		 2465 hci_proto_connect_cfm(conn, ev->status);
2466 hci_conn_drop(conn);
2467 } else
2468 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2469
a7d7723a 2470unlock:
1da177e4
LT		 2471 hci_dev_unlock(hdev);
2472}
2473
6039aa73
GP		 2474static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2475 struct sk_buff *skb)
1da177e4 2476{
a9de9248 2477 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2478 struct hci_conn *conn;
1da177e4 2479
9f1db00c 2480 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2481
2482 hci_dev_lock(hdev);
2483
04837f64 2484 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2485 if (conn) {
2486 if (!ev->status)
4dae2798 2487 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2488
51a8efd7 2489 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2490
2491 hci_key_change_cfm(conn, ev->status);
2492 }
2493
2494 hci_dev_unlock(hdev);
2495}
2496
6039aa73
GP		 2497static void hci_remote_features_evt(struct hci_dev *hdev,
2498 struct sk_buff *skb)
1da177e4 2499{
a9de9248
MH		 2500 struct hci_ev_remote_features *ev = (void *) skb->data;
2501 struct hci_conn *conn;
2502
9f1db00c 2503 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2504
a9de9248
MH		 2505 hci_dev_lock(hdev);
2506
2507 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2508 if (!conn)
2509 goto unlock;
769be974 2510
ccd556fe 2511 if (!ev->status)
cad718ed 2512 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2513
2514 if (conn->state != BT_CONFIG)
2515 goto unlock;
2516
2517 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2518 struct hci_cp_read_remote_ext_features cp;
2519 cp.handle = ev->handle;
2520 cp.page = 0x01;
2521 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2522 sizeof(cp), &cp);
392599b9
JH		 2523 goto unlock;
2524 }
2525
671267bf 2526 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2527 struct hci_cp_remote_name_req cp;
2528 memset(&cp, 0, sizeof(cp));
2529 bacpy(&cp.bdaddr, &conn->dst);
2530 cp.pscan_rep_mode = 0x02;
2531 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2532 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2533 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2534 conn->dst_type, 0, NULL, 0,
2535 conn->dev_class);
392599b9 2536
127178d2 2537 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2538 conn->state = BT_CONNECTED;
2539 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2540 hci_conn_drop(conn);
769be974 2541 }
a9de9248 2542
ccd556fe 2543unlock:
a9de9248 2544 hci_dev_unlock(hdev);
1da177e4
LT		 2545}
2546
6039aa73 2547static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2548{
2549 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2550 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2551 __u16 opcode;
2552
2553 skb_pull(skb, sizeof(*ev));
2554
2555 opcode = __le16_to_cpu(ev->opcode);
2556
2557 switch (opcode) {
2558 case HCI_OP_INQUIRY_CANCEL:
2559 hci_cc_inquiry_cancel(hdev, skb);
2560 break;
2561
4d93483b
AG		 2562 case HCI_OP_PERIODIC_INQ:
2563 hci_cc_periodic_inq(hdev, skb);
2564 break;
2565
a9de9248
MH		 2566 case HCI_OP_EXIT_PERIODIC_INQ:
2567 hci_cc_exit_periodic_inq(hdev, skb);
2568 break;
2569
2570 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2571 hci_cc_remote_name_req_cancel(hdev, skb);
2572 break;
2573
2574 case HCI_OP_ROLE_DISCOVERY:
2575 hci_cc_role_discovery(hdev, skb);
2576 break;
2577
e4e8e37c
MH		 2578 case HCI_OP_READ_LINK_POLICY:
2579 hci_cc_read_link_policy(hdev, skb);
2580 break;
2581
a9de9248
MH		 2582 case HCI_OP_WRITE_LINK_POLICY:
2583 hci_cc_write_link_policy(hdev, skb);
2584 break;
2585
e4e8e37c
MH		 2586 case HCI_OP_READ_DEF_LINK_POLICY:
2587 hci_cc_read_def_link_policy(hdev, skb);
2588 break;
2589
2590 case HCI_OP_WRITE_DEF_LINK_POLICY:
2591 hci_cc_write_def_link_policy(hdev, skb);
2592 break;
2593
a9de9248
MH		 2594 case HCI_OP_RESET:
2595 hci_cc_reset(hdev, skb);
2596 break;
2597
2598 case HCI_OP_WRITE_LOCAL_NAME:
2599 hci_cc_write_local_name(hdev, skb);
2600 break;
2601
2602 case HCI_OP_READ_LOCAL_NAME:
2603 hci_cc_read_local_name(hdev, skb);
2604 break;
2605
2606 case HCI_OP_WRITE_AUTH_ENABLE:
2607 hci_cc_write_auth_enable(hdev, skb);
2608 break;
2609
2610 case HCI_OP_WRITE_ENCRYPT_MODE:
2611 hci_cc_write_encrypt_mode(hdev, skb);
2612 break;
2613
2614 case HCI_OP_WRITE_SCAN_ENABLE:
2615 hci_cc_write_scan_enable(hdev, skb);
2616 break;
2617
2618 case HCI_OP_READ_CLASS_OF_DEV:
2619 hci_cc_read_class_of_dev(hdev, skb);
2620 break;
2621
2622 case HCI_OP_WRITE_CLASS_OF_DEV:
2623 hci_cc_write_class_of_dev(hdev, skb);
2624 break;
2625
2626 case HCI_OP_READ_VOICE_SETTING:
2627 hci_cc_read_voice_setting(hdev, skb);
2628 break;
2629
2630 case HCI_OP_WRITE_VOICE_SETTING:
2631 hci_cc_write_voice_setting(hdev, skb);
2632 break;
2633
b4cb9fb2
MH		 2634 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2635 hci_cc_read_num_supported_iac(hdev, skb);
2636 break;
2637
333140b5
MH		 2638 case HCI_OP_WRITE_SSP_MODE:
2639 hci_cc_write_ssp_mode(hdev, skb);
2640 break;
2641
eac83dc6
MH		 2642 case HCI_OP_WRITE_SC_SUPPORT:
2643 hci_cc_write_sc_support(hdev, skb);
2644 break;
2645
a9de9248
MH		 2646 case HCI_OP_READ_LOCAL_VERSION:
2647 hci_cc_read_local_version(hdev, skb);
2648 break;
2649
2650 case HCI_OP_READ_LOCAL_COMMANDS:
2651 hci_cc_read_local_commands(hdev, skb);
2652 break;
2653
2654 case HCI_OP_READ_LOCAL_FEATURES:
2655 hci_cc_read_local_features(hdev, skb);
2656 break;
2657
971e3a4b
AG		 2658 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2659 hci_cc_read_local_ext_features(hdev, skb);
2660 break;
2661
a9de9248
MH		 2662 case HCI_OP_READ_BUFFER_SIZE:
2663 hci_cc_read_buffer_size(hdev, skb);
2664 break;
2665
2666 case HCI_OP_READ_BD_ADDR:
2667 hci_cc_read_bd_addr(hdev, skb);
2668 break;
2669
f332ec66
JH		 2670 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2671 hci_cc_read_page_scan_activity(hdev, skb);
2672 break;
2673
4a3ee763
JH		 2674 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2675 hci_cc_write_page_scan_activity(hdev, skb);
2676 break;
2677
f332ec66
JH		 2678 case HCI_OP_READ_PAGE_SCAN_TYPE:
2679 hci_cc_read_page_scan_type(hdev, skb);
2680 break;
2681
4a3ee763
JH		 2682 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2683 hci_cc_write_page_scan_type(hdev, skb);
2684 break;
2685
350ee4cf
AE		 2686 case HCI_OP_READ_DATA_BLOCK_SIZE:
2687 hci_cc_read_data_block_size(hdev, skb);
2688 break;
2689
1e89cffb
AE		 2690 case HCI_OP_READ_FLOW_CONTROL_MODE:
2691 hci_cc_read_flow_control_mode(hdev, skb);
2692 break;
2693
928abaa7
AE		 2694 case HCI_OP_READ_LOCAL_AMP_INFO:
2695 hci_cc_read_local_amp_info(hdev, skb);
2696 break;
2697
33f35721
JH		 2698 case HCI_OP_READ_CLOCK:
2699 hci_cc_read_clock(hdev, skb);
2700 break;
2701
903e4541
AE		 2702 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2703 hci_cc_read_local_amp_assoc(hdev, skb);
2704 break;
2705
d5859e22
JH		 2706 case HCI_OP_READ_INQ_RSP_TX_POWER:
2707 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2708 break;
2709
980e1a53
JH		 2710 case HCI_OP_PIN_CODE_REPLY:
2711 hci_cc_pin_code_reply(hdev, skb);
2712 break;
2713
2714 case HCI_OP_PIN_CODE_NEG_REPLY:
2715 hci_cc_pin_code_neg_reply(hdev, skb);
2716 break;
2717
c35938b2 2718 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2719 hci_cc_read_local_oob_data(hdev, skb);
2720 break;
2721
2722 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2723 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2724 break;
2725
6ed58ec5
VT		 2726 case HCI_OP_LE_READ_BUFFER_SIZE:
2727 hci_cc_le_read_buffer_size(hdev, skb);
2728 break;
2729
60e77321
JH		 2730 case HCI_OP_LE_READ_LOCAL_FEATURES:
2731 hci_cc_le_read_local_features(hdev, skb);
2732 break;
2733
8fa19098
JH		 2734 case HCI_OP_LE_READ_ADV_TX_POWER:
2735 hci_cc_le_read_adv_tx_power(hdev, skb);
2736 break;
2737
a5c29683
JH		 2738 case HCI_OP_USER_CONFIRM_REPLY:
2739 hci_cc_user_confirm_reply(hdev, skb);
2740 break;
2741
2742 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2743 hci_cc_user_confirm_neg_reply(hdev, skb);
2744 break;
2745
1143d458
BG		 2746 case HCI_OP_USER_PASSKEY_REPLY:
2747 hci_cc_user_passkey_reply(hdev, skb);
2748 break;
2749
2750 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2751 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2752 break;
07f7fa5d 2753
7a4cd51d
MH		 2754 case HCI_OP_LE_SET_RANDOM_ADDR:
2755 hci_cc_le_set_random_addr(hdev, skb);
2756 break;
2757
c1d5dc4a
JH		 2758 case HCI_OP_LE_SET_ADV_ENABLE:
2759 hci_cc_le_set_adv_enable(hdev, skb);
2760 break;
2761
533553f8
MH		 2762 case HCI_OP_LE_SET_SCAN_PARAM:
2763 hci_cc_le_set_scan_param(hdev, skb);
2764 break;
2765
eb9d91f5
AG		 2766 case HCI_OP_LE_SET_SCAN_ENABLE:
2767 hci_cc_le_set_scan_enable(hdev, skb);
2768 break;
2769
cf1d081f
JH		 2770 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2771 hci_cc_le_read_white_list_size(hdev, skb);
2772 break;
2773
0f36b589
MH		 2774 case HCI_OP_LE_CLEAR_WHITE_LIST:
2775 hci_cc_le_clear_white_list(hdev, skb);
2776 break;
2777
2778 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2779 hci_cc_le_add_to_white_list(hdev, skb);
2780 break;
2781
2782 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2783 hci_cc_le_del_from_white_list(hdev, skb);
2784 break;
2785
9b008c04
JH		 2786 case HCI_OP_LE_READ_SUPPORTED_STATES:
2787 hci_cc_le_read_supported_states(hdev, skb);
2788 break;
2789
f9b49306
AG		 2790 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2791 hci_cc_write_le_host_supported(hdev, skb);
2792 break;
2793
56ed2cb8
JH		 2794 case HCI_OP_LE_SET_ADV_PARAM:
2795 hci_cc_set_adv_param(hdev, skb);
2796 break;
2797
93c284ee
AE		 2798 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2799 hci_cc_write_remote_amp_assoc(hdev, skb);
2800 break;
2801
5ae76a94
AK		 2802 case HCI_OP_READ_RSSI:
2803 hci_cc_read_rssi(hdev, skb);
2804 break;
2805
5a134fae
AK		 2806 case HCI_OP_READ_TX_POWER:
2807 hci_cc_read_tx_power(hdev, skb);
2808 break;
2809
a9de9248 2810 default:
9f1db00c 2811 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2812 break;
2813 }
2814
ad82cdd1 2815 if (opcode != HCI_OP_NOP)
65cc2b49 2816 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2817
ad82cdd1 2818 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2819
dbccd791 2820 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2821 atomic_set(&hdev->cmd_cnt, 1);
2822 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2823 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2824 }
2825}
2826
6039aa73 2827static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2828{
2829 struct hci_ev_cmd_status *ev = (void *) skb->data;
2830 __u16 opcode;
2831
2832 skb_pull(skb, sizeof(*ev));
2833
2834 opcode = __le16_to_cpu(ev->opcode);
2835
2836 switch (opcode) {
2837 case HCI_OP_INQUIRY:
2838 hci_cs_inquiry(hdev, ev->status);
2839 break;
2840
2841 case HCI_OP_CREATE_CONN:
2842 hci_cs_create_conn(hdev, ev->status);
2843 break;
2844
2845 case HCI_OP_ADD_SCO:
2846 hci_cs_add_sco(hdev, ev->status);
2847 break;
2848
f8558555
MH		 2849 case HCI_OP_AUTH_REQUESTED:
2850 hci_cs_auth_requested(hdev, ev->status);
2851 break;
2852
2853 case HCI_OP_SET_CONN_ENCRYPT:
2854 hci_cs_set_conn_encrypt(hdev, ev->status);
2855 break;
2856
a9de9248
MH		 2857 case HCI_OP_REMOTE_NAME_REQ:
2858 hci_cs_remote_name_req(hdev, ev->status);
2859 break;
2860
769be974
MH		 2861 case HCI_OP_READ_REMOTE_FEATURES:
2862 hci_cs_read_remote_features(hdev, ev->status);
2863 break;
2864
2865 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2866 hci_cs_read_remote_ext_features(hdev, ev->status);
2867 break;
2868
a9de9248
MH		 2869 case HCI_OP_SETUP_SYNC_CONN:
2870 hci_cs_setup_sync_conn(hdev, ev->status);
2871 break;
2872
2873 case HCI_OP_SNIFF_MODE:
2874 hci_cs_sniff_mode(hdev, ev->status);
2875 break;
2876
2877 case HCI_OP_EXIT_SNIFF_MODE:
2878 hci_cs_exit_sniff_mode(hdev, ev->status);
2879 break;
2880
8962ee74 2881 case HCI_OP_DISCONNECT:
88c3df13 2882 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2883 break;
2884
a02226d6
AE		 2885 case HCI_OP_CREATE_PHY_LINK:
2886 hci_cs_create_phylink(hdev, ev->status);
2887 break;
2888
0b26ab9d
AE		 2889 case HCI_OP_ACCEPT_PHY_LINK:
2890 hci_cs_accept_phylink(hdev, ev->status);
2891 break;
2892
cb1d68f7
JH		 2893 case HCI_OP_LE_CREATE_CONN:
2894 hci_cs_le_create_conn(hdev, ev->status);
2895 break;
2896
81d0c8ad
JH		 2897 case HCI_OP_LE_START_ENC:
2898 hci_cs_le_start_enc(hdev, ev->status);
2899 break;
2900
a9de9248 2901 default:
9f1db00c 2902 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2903 break;
2904 }
2905
ad82cdd1 2906 if (opcode != HCI_OP_NOP)
65cc2b49 2907 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2908
02350a72
JH		 2909 if (ev->status ||
2910 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2911 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2912
10572132 2913 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2914 atomic_set(&hdev->cmd_cnt, 1);
2915 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2916 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2917 }
2918}
2919
6039aa73 2920static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2921{
2922 struct hci_ev_role_change *ev = (void *) skb->data;
2923 struct hci_conn *conn;
2924
9f1db00c 2925 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2926
2927 hci_dev_lock(hdev);
2928
2929 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2930 if (conn) {
40bef302
JH		 2931 if (!ev->status)
2932 conn->role = ev->role;
a9de9248 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
b6ae8457 3126 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
2f407f0a 3127 !test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags)) {
03b555e1 3128 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3129 sizeof(ev->bdaddr), &ev->bdaddr);
2f407f0a 3130 } else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3131 u8 secure;
3132
3133 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3134 secure = 1;
3135 else
3136 secure = 0;
3137
744cf19e 3138 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3139 }
980e1a53 3140
b6f98044 3141unlock:
052b30b0 3142 hci_dev_unlock(hdev);
a9de9248
MH		 3143}
3144
6039aa73 3145static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3146{
55ed8ca1
JH		 3147 struct hci_ev_link_key_req *ev = (void *) skb->data;
3148 struct hci_cp_link_key_reply cp;
3149 struct hci_conn *conn;
3150 struct link_key *key;
3151
a9de9248 3152 BT_DBG("%s", hdev->name);
55ed8ca1 3153
034cbea0 3154 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3155 return;
3156
3157 hci_dev_lock(hdev);
3158
3159 key = hci_find_link_key(hdev, &ev->bdaddr);
3160 if (!key) {
6ed93dc6
AE		 3161 BT_DBG("%s link key not found for %pMR", hdev->name,
3162 &ev->bdaddr);
55ed8ca1
JH		 3163 goto not_found;
3164 }
3165
6ed93dc6
AE		 3166 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3167 &ev->bdaddr);
55ed8ca1 3168
55ed8ca1 3169 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3170 if (conn) {
66138ce8
MH		 3171 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3172 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3173 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3174 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3175 goto not_found;
3176 }
55ed8ca1 3177
60b83f57 3178 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3179 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3180 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3181 BT_DBG("%s ignoring key unauthenticated for high security",
3182 hdev->name);
60b83f57
WR		 3183 goto not_found;
3184 }
3185
3186 conn->key_type = key->type;
3187 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3188 }
3189
3190 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3191 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3192
3193 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3194
3195 hci_dev_unlock(hdev);
3196
3197 return;
3198
3199not_found:
3200 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3201 hci_dev_unlock(hdev);
a9de9248
MH		 3202}
3203
6039aa73 3204static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3205{
052b30b0
MH		 3206 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3207 struct hci_conn *conn;
7652ff6a
JH		 3208 struct link_key *key;
3209 bool persistent;
55ed8ca1 3210 u8 pin_len = 0;
052b30b0 3211
a9de9248 3212 BT_DBG("%s", hdev->name);
052b30b0
MH		 3213
3214 hci_dev_lock(hdev);
3215
3216 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3217 if (conn) {
3218 hci_conn_hold(conn);
3219 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3220 pin_len = conn->pin_length;
13d39315
WR		 3221
3222 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3223 conn->key_type = ev->key_type;
3224
76a68ba0 3225 hci_conn_drop(conn);
052b30b0
MH		 3226 }
3227
7652ff6a
JH		 3228 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3229 goto unlock;
3230
3231 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3232 ev->key_type, pin_len, &persistent);
3233 if (!key)
3234 goto unlock;
3235
3236 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3237
6d5650c4
JH		 3238 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3239 * is set. If it's not set simply remove the key from the kernel
3240 * list (we've still notified user space about it but with
3241 * store_hint being 0).
3242 */
3243 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3244 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3245 list_del(&key->list);
3246 kfree(key);
3247 } else if (conn) {
af6a9c32
JH		 3248 if (persistent)
3249 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3250 else
3251 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3252 }
7652ff6a
JH		 3253
3254unlock:
052b30b0 3255 hci_dev_unlock(hdev);
a9de9248
MH		 3256}
3257
6039aa73 3258static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3259{
a9de9248 3260 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3261 struct hci_conn *conn;
1da177e4 3262
9f1db00c 3263 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3264
3265 hci_dev_lock(hdev);
3266
04837f64 3267 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3268 if (conn && !ev->status) {
3269 struct inquiry_entry *ie;
3270
cc11b9c1
AE		 3271 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3272 if (ie) {
1da177e4
LT		 3273 ie->data.clock_offset = ev->clock_offset;
3274 ie->timestamp = jiffies;
3275 }
3276 }
3277
3278 hci_dev_unlock(hdev);
3279}
3280
6039aa73 3281static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3282{
3283 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3284 struct hci_conn *conn;
3285
9f1db00c 3286 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3287
3288 hci_dev_lock(hdev);
3289
3290 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3291 if (conn && !ev->status)
3292 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3293
3294 hci_dev_unlock(hdev);
3295}
3296
6039aa73 3297static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3298{
a9de9248 3299 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3300 struct inquiry_entry *ie;
3301
3302 BT_DBG("%s", hdev->name);
3303
3304 hci_dev_lock(hdev);
3305
cc11b9c1
AE		 3306 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3307 if (ie) {
85a1e930
MH		 3308 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3309 ie->timestamp = jiffies;
3310 }
3311
3312 hci_dev_unlock(hdev);
3313}
3314
6039aa73
GP		 3315static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3316 struct sk_buff *skb)
a9de9248
MH		 3317{
3318 struct inquiry_data data;
3319 int num_rsp = *((__u8 *) skb->data);
3320
3321 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3322
3323 if (!num_rsp)
3324 return;
3325
1519cc17
AG		 3326 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3327 return;
3328
a9de9248
MH		 3329 hci_dev_lock(hdev);
3330
3331 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3332 struct inquiry_info_with_rssi_and_pscan_mode *info;
3333 info = (void *) (skb->data + 1);
a9de9248 3334
e17acd40 3335 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3336 u32 flags;
3337
a9de9248
MH		 3338 bacpy(&data.bdaddr, &info->bdaddr);
3339 data.pscan_rep_mode = info->pscan_rep_mode;
3340 data.pscan_period_mode = info->pscan_period_mode;
3341 data.pscan_mode = info->pscan_mode;
3342 memcpy(data.dev_class, info->dev_class, 3);
3343 data.clock_offset = info->clock_offset;
3344 data.rssi = info->rssi;
41a96212 3345 data.ssp_mode = 0x00;
3175405b 3346
af58925c
MH		 3347 flags = hci_inquiry_cache_update(hdev, &data, false);
3348
48264f06 3349 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3350 info->dev_class, info->rssi,
af58925c 3351 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3352 }
3353 } else {
3354 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3355
e17acd40 3356 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3357 u32 flags;
3358
a9de9248
MH		 3359 bacpy(&data.bdaddr, &info->bdaddr);
3360 data.pscan_rep_mode = info->pscan_rep_mode;
3361 data.pscan_period_mode = info->pscan_period_mode;
3362 data.pscan_mode = 0x00;
3363 memcpy(data.dev_class, info->dev_class, 3);
3364 data.clock_offset = info->clock_offset;
3365 data.rssi = info->rssi;
41a96212 3366 data.ssp_mode = 0x00;
af58925c
MH		 3367
3368 flags = hci_inquiry_cache_update(hdev, &data, false);
3369
48264f06 3370 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3371 info->dev_class, info->rssi,
af58925c 3372 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3373 }
3374 }
3375
3376 hci_dev_unlock(hdev);
3377}
3378
6039aa73
GP		 3379static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3380 struct sk_buff *skb)
a9de9248 3381{
41a96212
MH		 3382 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3383 struct hci_conn *conn;
3384
a9de9248 3385 BT_DBG("%s", hdev->name);
41a96212 3386
41a96212
MH		 3387 hci_dev_lock(hdev);
3388
3389 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3390 if (!conn)
3391 goto unlock;
41a96212 3392
cad718ed
JH		 3393 if (ev->page < HCI_MAX_PAGES)
3394 memcpy(conn->features[ev->page], ev->features, 8);
3395
ccd556fe
JH		 3396 if (!ev->status && ev->page == 0x01) {
3397 struct inquiry_entry *ie;
41a96212 3398
cc11b9c1
AE		 3399 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3400 if (ie)
02b7cc62 3401 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3402
bbb0eada 3403 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3404 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3405 } else {
3406 /* It is mandatory by the Bluetooth specification that
3407 * Extended Inquiry Results are only used when Secure
3408 * Simple Pairing is enabled, but some devices violate
3409 * this.
3410 *
3411 * To make these devices work, the internal SSP
3412 * enabled flag needs to be cleared if the remote host
3413 * features do not indicate SSP support */
3414 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3415 }
eb9a8f3f
MH		 3416
3417 if (ev->features[0] & LMP_HOST_SC)
3418 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3419 }
3420
3421 if (conn->state != BT_CONFIG)
3422 goto unlock;
3423
671267bf 3424 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3425 struct hci_cp_remote_name_req cp;
3426 memset(&cp, 0, sizeof(cp));
3427 bacpy(&cp.bdaddr, &conn->dst);
3428 cp.pscan_rep_mode = 0x02;
3429 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3430 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3431 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3432 conn->dst_type, 0, NULL, 0,
3433 conn->dev_class);
392599b9 3434
127178d2 3435 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3436 conn->state = BT_CONNECTED;
3437 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3438 hci_conn_drop(conn);
41a96212
MH		 3439 }
3440
ccd556fe 3441unlock:
41a96212 3442 hci_dev_unlock(hdev);
a9de9248
MH		 3443}
3444
6039aa73
GP		 3445static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3446 struct sk_buff *skb)
a9de9248 3447{
b6a0dc82
MH		 3448 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3449 struct hci_conn *conn;
3450
9f1db00c 3451 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3452
3453 hci_dev_lock(hdev);
3454
3455 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3456 if (!conn) {
3457 if (ev->link_type == ESCO_LINK)
3458 goto unlock;
3459
3460 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3461 if (!conn)
3462 goto unlock;
3463
3464 conn->type = SCO_LINK;
3465 }
b6a0dc82 3466
732547f9
MH		 3467 switch (ev->status) {
3468 case 0x00:
b6a0dc82
MH		 3469 conn->handle = __le16_to_cpu(ev->handle);
3470 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3471
3472 hci_conn_add_sysfs(conn);
732547f9
MH		 3473 break;
3474
81218d20 3475 case 0x10: /* Connection Accept Timeout */
1a4c958c 3476 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3477 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3478 case 0x1c: /* SCO interval rejected */
1038a00b 3479 case 0x1a: /* Unsupported Remote Feature */
732547f9 3480 case 0x1f: /* Unspecified error */
27539bc4 3481 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3482 if (conn->out) {
732547f9
MH		 3483 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3484 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3485 if (hci_setup_sync(conn, conn->link->handle))
3486 goto unlock;
732547f9
MH		 3487 }
3488 /* fall through */
3489
3490 default:
b6a0dc82 3491 conn->state = BT_CLOSED;
732547f9
MH		 3492 break;
3493 }
b6a0dc82
MH		 3494
3495 hci_proto_connect_cfm(conn, ev->status);
3496 if (ev->status)
3497 hci_conn_del(conn);
3498
3499unlock:
3500 hci_dev_unlock(hdev);
a9de9248
MH		 3501}
3502
efdcf8e3
MH		 3503static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3504{
3505 size_t parsed = 0;
3506
3507 while (parsed < eir_len) {
3508 u8 field_len = eir[0];
3509
3510 if (field_len == 0)
3511 return parsed;
3512
3513 parsed += field_len + 1;
3514 eir += field_len + 1;
3515 }
3516
3517 return eir_len;
3518}
3519
6039aa73
GP		 3520static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3521 struct sk_buff *skb)
1da177e4 3522{
a9de9248
MH		 3523 struct inquiry_data data;
3524 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3525 int num_rsp = *((__u8 *) skb->data);
9d939d94 3526 size_t eir_len;
1da177e4 3527
a9de9248 3528 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3529
a9de9248
MH		 3530 if (!num_rsp)
3531 return;
1da177e4 3532
1519cc17
AG		 3533 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3534 return;
3535
a9de9248
MH		 3536 hci_dev_lock(hdev);
3537
e17acd40 3538 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3539 u32 flags;
3540 bool name_known;
561aafbc 3541
a9de9248 3542 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3543 data.pscan_rep_mode = info->pscan_rep_mode;
3544 data.pscan_period_mode = info->pscan_period_mode;
3545 data.pscan_mode = 0x00;
a9de9248 3546 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3547 data.clock_offset = info->clock_offset;
3548 data.rssi = info->rssi;
41a96212 3549 data.ssp_mode = 0x01;
561aafbc 3550
a8b2d5c2 3551 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3552 name_known = eir_has_data_type(info->data,
04124681
GP		 3553 sizeof(info->data),
3554 EIR_NAME_COMPLETE);
561aafbc
JH		 3555 else
3556 name_known = true;
3557
af58925c
MH		 3558 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3559
9d939d94 3560 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3561
48264f06 3562 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3563 info->dev_class, info->rssi,
3564 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3565 }
3566
3567 hci_dev_unlock(hdev);
3568}
1da177e4 3569
1c2e0041
JH		 3570static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3571 struct sk_buff *skb)
3572{
3573 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3574 struct hci_conn *conn;
3575
9f1db00c 3576 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3577 __le16_to_cpu(ev->handle));
3578
3579 hci_dev_lock(hdev);
3580
3581 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3582 if (!conn)
3583 goto unlock;
3584
9eb1fbfa
JH		 3585 /* For BR/EDR the necessary steps are taken through the
3586 * auth_complete event.
3587 */
3588 if (conn->type != LE_LINK)
3589 goto unlock;
3590
1c2e0041
JH		 3591 if (!ev->status)
3592 conn->sec_level = conn->pending_sec_level;
3593
3594 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3595
3596 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3597 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3598 hci_conn_drop(conn);
1c2e0041
JH		 3599 goto unlock;
3600 }
3601
3602 if (conn->state == BT_CONFIG) {
3603 if (!ev->status)
3604 conn->state = BT_CONNECTED;
3605
3606 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3607 hci_conn_drop(conn);
1c2e0041
JH		 3608 } else {
3609 hci_auth_cfm(conn, ev->status);
3610
3611 hci_conn_hold(conn);
3612 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3613 hci_conn_drop(conn);
1c2e0041
JH		 3614 }
3615
3616unlock:
3617 hci_dev_unlock(hdev);
3618}
3619
6039aa73 3620static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3621{
17fa4b9d 3622 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3623 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3624 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3625 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3626
b7f94c88
MA		 3627 /* If both remote and local have enough IO capabilities, require
3628 * MITM protection
3629 */
3630 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3631 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3632 return conn->remote_auth | 0x01;
3633
7e74170a
TM		 3634 /* No MITM protection possible so ignore remote requirement */
3635 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3636}
3637
6039aa73 3638static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3639{
3640 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3641 struct hci_conn *conn;
3642
3643 BT_DBG("%s", hdev->name);
3644
3645 hci_dev_lock(hdev);
3646
3647 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3648 if (!conn)
3649 goto unlock;
3650
3651 hci_conn_hold(conn);
3652
a8b2d5c2 3653 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3654 goto unlock;
3655
2f407f0a
JH		 3656 /* Allow pairing if we're pairable, the initiators of the
3657 * pairing or if the remote is not requesting bonding.
3658 */
b6ae8457 3659 if (test_bit(HCI_BONDABLE, &hdev->dev_flags) ||
2f407f0a 3660 test_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags) ||
807deac2 3661 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3662 struct hci_cp_io_capability_reply cp;
3663
3664 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3665 /* Change the IO capability from KeyboardDisplay
3666 * to DisplayYesNo as it is not supported by BT spec. */
3667 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3668 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3669
3670 /* If we are initiators, there is no remote information yet */
3671 if (conn->remote_auth == 0xff) {
b16c6604 3672 /* Request MITM protection if our IO caps allow it
4ad51a75 3673 * except for the no-bonding case.
b16c6604 3674 */
6fd6b915 3675 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
9f743d74 3676 conn->auth_type != HCI_AT_NO_BONDING)
6c53823a 3677 conn->auth_type |= 0x01;
b7f94c88
MA		 3678 } else {
3679 conn->auth_type = hci_get_auth_req(conn);
b7f94c88 3680 }
17fa4b9d 3681
82c295b1
JH		 3682 /* If we're not bondable, force one of the non-bondable
3683 * authentication requirement values.
3684 */
3685 if (!test_bit(HCI_BONDABLE, &hdev->dev_flags))
3686 conn->auth_type &= HCI_AT_NO_BONDING_MITM;
3687
3688 cp.authentication = conn->auth_type;
3689
8fc9ced3
GP		 3690 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3691 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3692 cp.oob_data = 0x01;
3693 else
3694 cp.oob_data = 0x00;
3695
17fa4b9d 3696 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3697 sizeof(cp), &cp);
03b555e1
JH		 3698 } else {
3699 struct hci_cp_io_capability_neg_reply cp;
3700
3701 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3702 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3703
03b555e1 3704 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3705 sizeof(cp), &cp);
03b555e1
JH		 3706 }
3707
3708unlock:
3709 hci_dev_unlock(hdev);
3710}
3711
6039aa73 3712static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3713{
3714 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3715 struct hci_conn *conn;
3716
3717 BT_DBG("%s", hdev->name);
3718
3719 hci_dev_lock(hdev);
3720
3721 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3722 if (!conn)
3723 goto unlock;
3724
03b555e1 3725 conn->remote_cap = ev->capability;
03b555e1 3726 conn->remote_auth = ev->authentication;
58a681ef
JH		 3727 if (ev->oob_data)
3728 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3729
3730unlock:
0493684e
MH		 3731 hci_dev_unlock(hdev);
3732}
3733
6039aa73
GP		 3734static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3735 struct sk_buff *skb)
a5c29683
JH		 3736{
3737 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3738 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3739 struct hci_conn *conn;
a5c29683
JH		 3740
3741 BT_DBG("%s", hdev->name);
3742
3743 hci_dev_lock(hdev);
3744
a8b2d5c2 3745 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3746 goto unlock;
a5c29683 3747
7a828908
JH		 3748 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3749 if (!conn)
3750 goto unlock;
3751
3752 loc_mitm = (conn->auth_type & 0x01);
3753 rem_mitm = (conn->remote_auth & 0x01);
3754
3755 /* If we require MITM but the remote device can't provide that
6c53823a
JH		 3756 * (it has NoInputNoOutput) then reject the confirmation
3757 * request. We check the security level here since it doesn't
3758 * necessarily match conn->auth_type.
6fd6b915 3759 */
6c53823a
JH		 3760 if (conn->pending_sec_level > BT_SECURITY_MEDIUM &&
3761 conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3762 BT_DBG("Rejecting request: remote device can't provide MITM");
3763 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3764 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3765 goto unlock;
3766 }
3767
3768 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3769 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3770 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3771
3772 /* If we're not the initiators request authorization to
3773 * proceed from user space (mgmt_user_confirm with
ba15a58b 3774 * confirm_hint set to 1). The exception is if neither
02f3e254
JH		 3775 * side had MITM or if the local IO capability is
3776 * NoInputNoOutput, in which case we do auto-accept
ba15a58b
JH		 3777 */
3778 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
02f3e254 3779 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
ba15a58b 3780 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3781 BT_DBG("Confirming auto-accept as acceptor");
3782 confirm_hint = 1;
3783 goto confirm;
3784 }
3785
9f61656a 3786 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3787 hdev->auto_accept_delay);
9f61656a
JH		 3788
3789 if (hdev->auto_accept_delay > 0) {
3790 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3791 queue_delayed_work(conn->hdev->workqueue,
3792 &conn->auto_accept_work, delay);
9f61656a
JH		 3793 goto unlock;
3794 }
3795
7a828908 3796 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3797 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3798 goto unlock;
3799 }
3800
55bc1a37 3801confirm:
39adbffe
JH		 3802 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3803 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3804
3805unlock:
a5c29683
JH		 3806 hci_dev_unlock(hdev);
3807}
3808
6039aa73
GP		 3809static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3810 struct sk_buff *skb)
1143d458
BG		 3811{
3812 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3813
3814 BT_DBG("%s", hdev->name);
3815
a8b2d5c2 3816 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3817 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3818}
3819
92a25256
JH		 3820static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3821 struct sk_buff *skb)
3822{
3823 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3824 struct hci_conn *conn;
3825
3826 BT_DBG("%s", hdev->name);
3827
3828 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3829 if (!conn)
3830 return;
3831
3832 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3833 conn->passkey_entered = 0;
3834
3835 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3836 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3837 conn->dst_type, conn->passkey_notify,
3838 conn->passkey_entered);
3839}
3840
3841static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3842{
3843 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3844 struct hci_conn *conn;
3845
3846 BT_DBG("%s", hdev->name);
3847
3848 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3849 if (!conn)
3850 return;
3851
3852 switch (ev->type) {
3853 case HCI_KEYPRESS_STARTED:
3854 conn->passkey_entered = 0;
3855 return;
3856
3857 case HCI_KEYPRESS_ENTERED:
3858 conn->passkey_entered++;
3859 break;
3860
3861 case HCI_KEYPRESS_ERASED:
3862 conn->passkey_entered--;
3863 break;
3864
3865 case HCI_KEYPRESS_CLEARED:
3866 conn->passkey_entered = 0;
3867 break;
3868
3869 case HCI_KEYPRESS_COMPLETED:
3870 return;
3871 }
3872
3873 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3874 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3875 conn->dst_type, conn->passkey_notify,
3876 conn->passkey_entered);
3877}
3878
6039aa73
GP		 3879static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3880 struct sk_buff *skb)
0493684e
MH		 3881{
3882 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3883 struct hci_conn *conn;
3884
3885 BT_DBG("%s", hdev->name);
3886
3887 hci_dev_lock(hdev);
3888
3889 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3890 if (!conn)
3891 goto unlock;
3892
c1d4fa7a
JH		 3893 /* Reset the authentication requirement to unknown */
3894 conn->remote_auth = 0xff;
3895
2a611692
JH		 3896 /* To avoid duplicate auth_failed events to user space we check
3897 * the HCI_CONN_AUTH_PEND flag which will be set if we
3898 * initiated the authentication. A traditional auth_complete
3899 * event gets always produced as initiator and is also mapped to
3900 * the mgmt_auth_failed event */
fa1bd918 3901 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
e1e930f5 3902 mgmt_auth_failed(conn, ev->status);
0493684e 3903
76a68ba0 3904 hci_conn_drop(conn);
2a611692
JH		 3905
3906unlock:
0493684e
MH		 3907 hci_dev_unlock(hdev);
3908}
3909
6039aa73
GP		 3910static void hci_remote_host_features_evt(struct hci_dev *hdev,
3911 struct sk_buff *skb)
41a96212
MH		 3912{
3913 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3914 struct inquiry_entry *ie;
cad718ed 3915 struct hci_conn *conn;
41a96212
MH		 3916
3917 BT_DBG("%s", hdev->name);
3918
3919 hci_dev_lock(hdev);
3920
cad718ed
JH		 3921 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3922 if (conn)
3923 memcpy(conn->features[1], ev->features, 8);
3924
cc11b9c1
AE		 3925 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3926 if (ie)
02b7cc62 3927 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3928
3929 hci_dev_unlock(hdev);
3930}
3931
6039aa73
GP		 3932static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3933 struct sk_buff *skb)
2763eda6
SJ		 3934{
3935 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3936 struct oob_data *data;
3937
3938 BT_DBG("%s", hdev->name);
3939
3940 hci_dev_lock(hdev);
3941
a8b2d5c2 3942 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3943 goto unlock;
3944
2763eda6
SJ		 3945 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3946 if (data) {
519ca9d0
MH		 3947 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3948 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3949
519ca9d0
MH		 3950 bacpy(&cp.bdaddr, &ev->bdaddr);
3951 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3952 memcpy(cp.randomizer192, data->randomizer192,
3953 sizeof(cp.randomizer192));
3954 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3955 memcpy(cp.randomizer256, data->randomizer256,
3956 sizeof(cp.randomizer256));
3957
3958 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3959 sizeof(cp), &cp);
3960 } else {
3961 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3962
519ca9d0
MH		 3963 bacpy(&cp.bdaddr, &ev->bdaddr);
3964 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3965 memcpy(cp.randomizer, data->randomizer192,
3966 sizeof(cp.randomizer));
3967
3968 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3969 sizeof(cp), &cp);
3970 }
2763eda6
SJ		 3971 } else {
3972 struct hci_cp_remote_oob_data_neg_reply cp;
3973
3974 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3975 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3976 sizeof(cp), &cp);
2763eda6
SJ		 3977 }
3978
e1ba1f15 3979unlock:
2763eda6
SJ		 3980 hci_dev_unlock(hdev);
3981}
3982
d5e91192
AE		 3983static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3984 struct sk_buff *skb)
3985{
3986 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3987 struct hci_conn *hcon, *bredr_hcon;
3988
3989 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3990 ev->status);
3991
3992 hci_dev_lock(hdev);
3993
3994 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3995 if (!hcon) {
3996 hci_dev_unlock(hdev);
3997 return;
3998 }
3999
4000 if (ev->status) {
4001 hci_conn_del(hcon);
4002 hci_dev_unlock(hdev);
4003 return;
4004 }
4005
4006 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
4007
4008 hcon->state = BT_CONNECTED;
4009 bacpy(&hcon->dst, &bredr_hcon->dst);
4010
4011 hci_conn_hold(hcon);
4012 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 4013 hci_conn_drop(hcon);
d5e91192 4014
d5e91192
AE		 4015 hci_conn_add_sysfs(hcon);
4016
cf70ff22 4017 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 4018
cf70ff22 4019 hci_dev_unlock(hdev);
d5e91192
AE		 4020}
4021
27695fb4
AE		 4022static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
4023{
4024 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
4025 struct hci_conn *hcon;
4026 struct hci_chan *hchan;
4027 struct amp_mgr *mgr;
4028
4029 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4030 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4031 ev->status);
4032
4033 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4034 if (!hcon)
4035 return;
4036
4037 /* Create AMP hchan */
4038 hchan = hci_chan_create(hcon);
4039 if (!hchan)
4040 return;
4041
4042 hchan->handle = le16_to_cpu(ev->handle);
4043
4044 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4045
4046 mgr = hcon->amp_mgr;
4047 if (mgr && mgr->bredr_chan) {
4048 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4049
4050 l2cap_chan_lock(bredr_chan);
4051
4052 bredr_chan->conn->mtu = hdev->block_mtu;
4053 l2cap_logical_cfm(bredr_chan, hchan, 0);
4054 hci_conn_hold(hcon);
4055
4056 l2cap_chan_unlock(bredr_chan);
4057 }
4058}
4059
606e2a10
AE		 4060static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4061 struct sk_buff *skb)
4062{
4063 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4064 struct hci_chan *hchan;
4065
4066 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4067 le16_to_cpu(ev->handle), ev->status);
4068
4069 if (ev->status)
4070 return;
4071
4072 hci_dev_lock(hdev);
4073
4074 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4075 if (!hchan)
4076 goto unlock;
4077
4078 amp_destroy_logical_link(hchan, ev->reason);
4079
4080unlock:
4081 hci_dev_unlock(hdev);
4082}
4083
9eef6b3a
AE		 4084static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4085 struct sk_buff *skb)
4086{
4087 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4088 struct hci_conn *hcon;
4089
4090 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4091
4092 if (ev->status)
4093 return;
4094
4095 hci_dev_lock(hdev);
4096
4097 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4098 if (hcon) {
4099 hcon->state = BT_CLOSED;
4100 hci_conn_del(hcon);
4101 }
4102
4103 hci_dev_unlock(hdev);
4104}
4105
6039aa73 4106static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4107{
4108 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4109 struct hci_conn_params *params;
fcd89c09 4110 struct hci_conn *conn;
68d6f6de 4111 struct smp_irk *irk;
837d502e 4112 u8 addr_type;
fcd89c09 4113
9f1db00c 4114 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4115
4116 hci_dev_lock(hdev);
4117
fbd96c15
JH		 4118 /* All controllers implicitly stop advertising in the event of a
4119 * connection, so ensure that the state bit is cleared.
4120 */
4121 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
4122
b47a09b3 4123 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b 4124 if (!conn) {
a5c4e309 4125 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr, ev->role);
b62f328b
VT		 4126 if (!conn) {
4127 BT_ERR("No memory for new connection");
230fd16a 4128 goto unlock;
b62f328b 4129 }
29b7988a
AG		 4130
4131 conn->dst_type = ev->bdaddr_type;
b9b343d2 4132
cb1d68f7
JH		 4133 /* If we didn't have a hci_conn object previously
4134 * but we're in master role this must be something
4135 * initiated using a white list. Since white list based
4136 * connections are not "first class citizens" we don't
4137 * have full tracking of them. Therefore, we go ahead
4138 * with a "best effort" approach of determining the
4139 * initiator address based on the HCI_PRIVACY flag.
4140 */
4141 if (conn->out) {
4142 conn->resp_addr_type = ev->bdaddr_type;
4143 bacpy(&conn->resp_addr, &ev->bdaddr);
4144 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4145 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4146 bacpy(&conn->init_addr, &hdev->rpa);
4147 } else {
4148 hci_copy_identity_address(hdev,
4149 &conn->init_addr,
4150 &conn->init_addr_type);
4151 }
cb1d68f7 4152 }
9489eca4
JH		 4153 } else {
4154 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4155 }
fcd89c09 4156
80c24ab8
JH		 4157 if (!conn->out) {
4158 /* Set the responder (our side) address type based on
4159 * the advertising address type.
4160 */
4161 conn->resp_addr_type = hdev->adv_addr_type;
4162 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4163 bacpy(&conn->resp_addr, &hdev->random_addr);
4164 else
4165 bacpy(&conn->resp_addr, &hdev->bdaddr);
4166
4167 conn->init_addr_type = ev->bdaddr_type;
4168 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4169
4170 /* For incoming connections, set the default minimum
4171 * and maximum connection interval. They will be used
4172 * to check if the parameters are in range and if not
4173 * trigger the connection update procedure.
4174 */
4175 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4176 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4177 }
7be2edbb 4178
edb4b466
MH		 4179 /* Lookup the identity address from the stored connection
4180 * address and address type.
4181 *
4182 * When establishing connections to an identity address, the
4183 * connection procedure will store the resolvable random
4184 * address first. Now if it can be converted back into the
4185 * identity address, start using the identity address from
4186 * now on.
4187 */
4188 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4189 if (irk) {
4190 bacpy(&conn->dst, &irk->bdaddr);
4191 conn->dst_type = irk->addr_type;
4192 }
4193
2d3c2260
JH		 4194 if (ev->status) {
4195 hci_le_conn_failed(conn, ev->status);
837d502e
JH		 4196 goto unlock;
4197 }
4198
08853f18
JH		 4199 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4200 addr_type = BDADDR_LE_PUBLIC;
4201 else
4202 addr_type = BDADDR_LE_RANDOM;
4203
2d3c2260
JH		 4204 /* Drop the connection if the device is blocked */
4205 if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
4206 hci_conn_drop(conn);
cd17decb
AG		 4207 goto unlock;
4208 }
4209
b644ba33 4210 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4211 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4212 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4213
7b5c0d52 4214 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4215 conn->handle = __le16_to_cpu(ev->handle);
4216 conn->state = BT_CONNECTED;
4217
e04fde60
MH		 4218 conn->le_conn_interval = le16_to_cpu(ev->interval);
4219 conn->le_conn_latency = le16_to_cpu(ev->latency);
4220 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4221
fcd89c09
VT		 4222 hci_conn_add_sysfs(conn);
4223
4224 hci_proto_connect_cfm(conn, ev->status);
4225
5477610f
JH		 4226 params = hci_pend_le_action_lookup(&hdev->pend_le_conns, &conn->dst,
4227 conn->dst_type);
f161dd41 4228 if (params) {
95305baa 4229 list_del_init(&params->action);
f161dd41
JH		 4230 if (params->conn) {
4231 hci_conn_drop(params->conn);
f8aaf9b6 4232 hci_conn_put(params->conn);
f161dd41
JH		 4233 params->conn = NULL;
4234 }
4235 }
a4790dbd 4236
fcd89c09 4237unlock:
223683a5 4238 hci_update_background_scan(hdev);
fcd89c09
VT		 4239 hci_dev_unlock(hdev);
4240}
4241
1855d92d
MH		 4242static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4243 struct sk_buff *skb)
4244{
4245 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4246 struct hci_conn *conn;
4247
4248 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4249
4250 if (ev->status)
4251 return;
4252
4253 hci_dev_lock(hdev);
4254
4255 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4256 if (conn) {
4257 conn->le_conn_interval = le16_to_cpu(ev->interval);
4258 conn->le_conn_latency = le16_to_cpu(ev->latency);
4259 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4260 }
4261
4262 hci_dev_unlock(hdev);
4263}
4264
a4790dbd 4265/* This function requires the caller holds hdev->lock */
7e899c94 4266static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
1c1abcab 4267 u8 addr_type, u8 adv_type)
a4790dbd
AG		 4268{
4269 struct hci_conn *conn;
4b9e7e75 4270 struct hci_conn_params *params;
a4790dbd 4271
1c1abcab
JH		 4272 /* If the event is not connectable don't proceed further */
4273 if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
7e899c94 4274 return;
1c1abcab
JH		 4275
4276 /* Ignore if the device is blocked */
dcc36c16 4277 if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
7e899c94 4278 return;
1c1abcab 4279
f99353cf
JH		 4280 /* Most controller will fail if we try to create new connections
4281 * while we have an existing one in slave role.
4282 */
4283 if (hdev->conn_hash.le_num_slave > 0)
4284 return;
4285
1c1abcab
JH		 4286 /* If we're not connectable only connect devices that we have in
4287 * our pend_le_conns list.
4288 */
4b9e7e75
MH		 4289 params = hci_pend_le_action_lookup(&hdev->pend_le_conns,
4290 addr, addr_type);
4291 if (!params)
4292 return;
4293
4294 switch (params->auto_connect) {
4295 case HCI_AUTO_CONN_DIRECT:
4296 /* Only devices advertising with ADV_DIRECT_IND are
4297 * triggering a connection attempt. This is allowing
4298 * incoming connections from slave devices.
4299 */
4300 if (adv_type != LE_ADV_DIRECT_IND)
4301 return;
4302 break;
4303 case HCI_AUTO_CONN_ALWAYS:
4304 /* Devices advertising with ADV_IND or ADV_DIRECT_IND
4305 * are triggering a connection attempt. This means
4306 * that incoming connectioms from slave device are
4307 * accepted and also outgoing connections to slave
4308 * devices are established when found.
4309 */
4310 break;
4311 default:
7e899c94 4312 return;
4b9e7e75 4313 }
a4790dbd
AG		 4314
4315 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
e804d25d 4316 HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
f161dd41
JH		 4317 if (!IS_ERR(conn)) {
4318 /* Store the pointer since we don't really have any
4319 * other owner of the object besides the params that
4320 * triggered it. This way we can abort the connection if
4321 * the parameters get removed and keep the reference
4322 * count consistent once the connection is established.
4323 */
f8aaf9b6 4324 params->conn = hci_conn_get(conn);
7e899c94 4325 return;
f161dd41 4326 }
a4790dbd
AG		 4327
4328 switch (PTR_ERR(conn)) {
4329 case -EBUSY:
4330 /* If hci_connect() returns -EBUSY it means there is already
4331 * an LE connection attempt going on. Since controllers don't
4332 * support more than one connection attempt at the time, we
4333 * don't consider this an error case.
4334 */
4335 break;
4336 default:
4337 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4338 }
4339}
4340
4af605d8
JH		 4341static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4342 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4343{
b9a6328f 4344 struct discovery_state *d = &hdev->discovery;
1c1abcab 4345 struct smp_irk *irk;
474ee066 4346 bool match;
c70a7e4c 4347 u32 flags;
b9a6328f 4348
1c1abcab
JH		 4349 /* Check if we need to convert to identity address */
4350 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4351 if (irk) {
4352 bdaddr = &irk->bdaddr;
4353 bdaddr_type = irk->addr_type;
4354 }
4355
4356 /* Check if we have been requested to connect to this device */
4357 check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
4358
0d2bf134
JH		 4359 /* Passive scanning shouldn't trigger any device found events,
4360 * except for devices marked as CONN_REPORT for which we do send
4361 * device found events.
4362 */
ca5c4be7 4363 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134
JH		 4364 if (type == LE_ADV_DIRECT_IND)
4365 return;
4366
3a19b6fe
JH		 4367 if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
4368 bdaddr, bdaddr_type))
0d2bf134
JH		 4369 return;
4370
4371 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4372 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4373 else
4374 flags = 0;
4375 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4376 rssi, flags, data, len, NULL, 0);
97bf2e99 4377 return;
ca5c4be7 4378 }
4af605d8 4379
c70a7e4c
MH		 4380 /* When receiving non-connectable or scannable undirected
4381 * advertising reports, this means that the remote device is
4382 * not connectable and then clearly indicate this in the
4383 * device found event.
4384 *
4385 * When receiving a scan response, then there is no way to
4386 * know if the remote device is connectable or not. However
4387 * since scan responses are merged with a previously seen
4388 * advertising report, the flags field from that report
4389 * will be used.
4390 *
4391 * In the really unlikely case that a controller get confused
4392 * and just sends a scan response event, then it is marked as
4393 * not connectable as well.
4394 */
4395 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4396 type == LE_ADV_SCAN_RSP)
4397 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4398 else
4399 flags = 0;
4400
b9a6328f
JH		 4401 /* If there's nothing pending either store the data from this
4402 * event or send an immediate device found event if the data
4403 * should not be stored for later.
4404 */
4405 if (!has_pending_adv_report(hdev)) {
4406 /* If the report will trigger a SCAN_REQ store it for
4407 * later merging.
4408 */
4409 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4410 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4411 rssi, flags, data, len);
b9a6328f
JH		 4412 return;
4413 }
4414
4415 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4416 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4417 return;
4418 }
4419
474ee066
JH		 4420 /* Check if the pending report is for the same device as the new one */
4421 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4422 bdaddr_type == d->last_adv_addr_type);
4423
b9a6328f
JH		 4424 /* If the pending data doesn't match this report or this isn't a
4425 * scan response (e.g. we got a duplicate ADV_IND) then force
4426 * sending of the pending data.
4427 */
474ee066
JH		 4428 if (type != LE_ADV_SCAN_RSP || !match) {
4429 /* Send out whatever is in the cache, but skip duplicates */
4430 if (!match)
4431 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4432 d->last_adv_addr_type, NULL,
c70a7e4c 4433 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4434 d->last_adv_data,
474ee066 4435 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4436
4437 /* If the new report will trigger a SCAN_REQ store it for
4438 * later merging.
4439 */
4440 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4441 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4442 rssi, flags, data, len);
b9a6328f
JH		 4443 return;
4444 }
4445
4446 /* The advertising reports cannot be merged, so clear
4447 * the pending report and send out a device found event.
4448 */
4449 clear_pending_adv_report(hdev);
5c5b93e4 4450 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4451 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4452 return;
4453 }
4454
4455 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4456 * the new event is a SCAN_RSP. We can therefore proceed with
4457 * sending a merged device found event.
4458 */
4459 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4460 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4461 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4462 clear_pending_adv_report(hdev);
4af605d8
JH		 4463}
4464
6039aa73 4465static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4466{
e95beb41
AG		 4467 u8 num_reports = skb->data[0];
4468 void *ptr = &skb->data[1];
9aa04c91 4469
a4790dbd
AG		 4470 hci_dev_lock(hdev);
4471
e95beb41
AG		 4472 while (num_reports--) {
4473 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4474 s8 rssi;
a4790dbd 4475
3c9e9195 4476 rssi = ev->data[ev->length];
4af605d8
JH		 4477 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4478 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4479
e95beb41 4480 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4481 }
a4790dbd
AG		 4482
4483 hci_dev_unlock(hdev);
9aa04c91
AG		 4484}
4485
6039aa73 4486static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4487{
4488 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4489 struct hci_cp_le_ltk_reply cp;
bea710fe 4490 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4491 struct hci_conn *conn;
c9839a11 4492 struct smp_ltk *ltk;
a7a595f6 4493
9f1db00c 4494 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4495
4496 hci_dev_lock(hdev);
4497
4498 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4499 if (conn == NULL)
4500 goto not_found;
a7a595f6 4501
e804d25d 4502 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->role);
bea710fe
VCG		 4503 if (ltk == NULL)
4504 goto not_found;
4505
4506 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4507 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4508
4509 if (ltk->authenticated)
f8776218
AG		 4510 conn->pending_sec_level = BT_SECURITY_HIGH;
4511 else
4512 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4513
89cbb4da 4514 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4515
4516 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4517
5981a882
CT		 4518 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4519 * temporary key used to encrypt a connection following
4520 * pairing. It is used during the Encrypted Session Setup to
4521 * distribute the keys. Later, security can be re-established
4522 * using a distributed LTK.
4523 */
2ceba539 4524 if (ltk->type == SMP_STK) {
fe59a05f 4525 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4526 list_del(&ltk->list);
4527 kfree(ltk);
fe59a05f
JH		 4528 } else {
4529 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4530 }
4531
a7a595f6 4532 hci_dev_unlock(hdev);
bea710fe
VCG		 4533
4534 return;
4535
4536not_found:
4537 neg.handle = ev->handle;
4538 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4539 hci_dev_unlock(hdev);
a7a595f6
VCG		 4540}
4541
8e75b46a
AG		 4542static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4543 u8 reason)
4544{
4545 struct hci_cp_le_conn_param_req_neg_reply cp;
4546
4547 cp.handle = cpu_to_le16(handle);
4548 cp.reason = reason;
4549
4550 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4551 &cp);
4552}
4553
4554static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4555 struct sk_buff *skb)
4556{
4557 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4558 struct hci_cp_le_conn_param_req_reply cp;
4559 struct hci_conn *hcon;
4560 u16 handle, min, max, latency, timeout;
4561
4562 handle = le16_to_cpu(ev->handle);
4563 min = le16_to_cpu(ev->interval_min);
4564 max = le16_to_cpu(ev->interval_max);
4565 latency = le16_to_cpu(ev->latency);
4566 timeout = le16_to_cpu(ev->timeout);
4567
4568 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4569 if (!hcon || hcon->state != BT_CONNECTED)
4570 return send_conn_param_neg_reply(hdev, handle,
4571 HCI_ERROR_UNKNOWN_CONN_ID);
4572
4573 if (hci_check_conn_params(min, max, latency, timeout))
4574 return send_conn_param_neg_reply(hdev, handle,
4575 HCI_ERROR_INVALID_LL_PARAMS);
4576
40bef302 4577 if (hcon->role == HCI_ROLE_MASTER) {
348d50b8 4578 struct hci_conn_params *params;
f4869e2a 4579 u8 store_hint;
348d50b8
JH		 4580
4581 hci_dev_lock(hdev);
4582
4583 params = hci_conn_params_lookup(hdev, &hcon->dst,
4584 hcon->dst_type);
4585 if (params) {
4586 params->conn_min_interval = min;
4587 params->conn_max_interval = max;
4588 params->conn_latency = latency;
4589 params->supervision_timeout = timeout;
f4869e2a
JH		 4590 store_hint = 0x01;
4591 } else{
4592 store_hint = 0x00;
348d50b8
JH		 4593 }
4594
4595 hci_dev_unlock(hdev);
4596
f4869e2a
JH		 4597 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4598 store_hint, min, max, latency, timeout);
348d50b8 4599 }
ffb5a827 4600
8e75b46a
AG		 4601 cp.handle = ev->handle;
4602 cp.interval_min = ev->interval_min;
4603 cp.interval_max = ev->interval_max;
4604 cp.latency = ev->latency;
4605 cp.timeout = ev->timeout;
4606 cp.min_ce_len = 0;
4607 cp.max_ce_len = 0;
4608
4609 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4610}
4611
6039aa73 4612static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4613{
4614 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4615
4616 skb_pull(skb, sizeof(*le_ev));
4617
4618 switch (le_ev->subevent) {
4619 case HCI_EV_LE_CONN_COMPLETE:
4620 hci_le_conn_complete_evt(hdev, skb);
4621 break;
4622
1855d92d
MH		 4623 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4624 hci_le_conn_update_complete_evt(hdev, skb);
4625 break;
4626
9aa04c91
AG		 4627 case HCI_EV_LE_ADVERTISING_REPORT:
4628 hci_le_adv_report_evt(hdev, skb);
4629 break;
4630
a7a595f6
VCG		 4631 case HCI_EV_LE_LTK_REQ:
4632 hci_le_ltk_request_evt(hdev, skb);
4633 break;
4634
8e75b46a
AG		 4635 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4636 hci_le_remote_conn_param_req_evt(hdev, skb);
4637 break;
4638
fcd89c09
VT		 4639 default:
4640 break;
4641 }
4642}
4643
9495b2ee
AE		 4644static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4645{
4646 struct hci_ev_channel_selected *ev = (void *) skb->data;
4647 struct hci_conn *hcon;
4648
4649 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4650
4651 skb_pull(skb, sizeof(*ev));
4652
4653 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4654 if (!hcon)
4655 return;
4656
4657 amp_read_loc_assoc_final_data(hdev, hcon);
4658}
4659
a9de9248
MH		 4660void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4661{
4662 struct hci_event_hdr *hdr = (void *) skb->data;
4663 __u8 event = hdr->evt;
4664
b6ddb638
JH		 4665 hci_dev_lock(hdev);
4666
4667 /* Received events are (currently) only needed when a request is
4668 * ongoing so avoid unnecessary memory allocation.
4669 */
899de765 4670 if (hci_req_pending(hdev)) {
b6ddb638
JH		 4671 kfree_skb(hdev->recv_evt);
4672 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4673 }
4674
4675 hci_dev_unlock(hdev);
4676
a9de9248
MH		 4677 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4678
02350a72 4679 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4680 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4681 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4682
4683 hci_req_cmd_complete(hdev, opcode, 0);
4684 }
4685
a9de9248 4686 switch (event) {
1da177e4
LT		 4687 case HCI_EV_INQUIRY_COMPLETE:
4688 hci_inquiry_complete_evt(hdev, skb);
4689 break;
4690
4691 case HCI_EV_INQUIRY_RESULT:
4692 hci_inquiry_result_evt(hdev, skb);
4693 break;
4694
a9de9248
MH		 4695 case HCI_EV_CONN_COMPLETE:
4696 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4697 break;
4698
1da177e4
LT		 4699 case HCI_EV_CONN_REQUEST:
4700 hci_conn_request_evt(hdev, skb);
4701 break;
4702
1da177e4
LT		 4703 case HCI_EV_DISCONN_COMPLETE:
4704 hci_disconn_complete_evt(hdev, skb);
4705 break;
4706
1da177e4
LT		 4707 case HCI_EV_AUTH_COMPLETE:
4708 hci_auth_complete_evt(hdev, skb);
4709 break;
4710
a9de9248
MH		 4711 case HCI_EV_REMOTE_NAME:
4712 hci_remote_name_evt(hdev, skb);
4713 break;
4714
1da177e4
LT		 4715 case HCI_EV_ENCRYPT_CHANGE:
4716 hci_encrypt_change_evt(hdev, skb);
4717 break;
4718
a9de9248
MH		 4719 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4720 hci_change_link_key_complete_evt(hdev, skb);
4721 break;
4722
4723 case HCI_EV_REMOTE_FEATURES:
4724 hci_remote_features_evt(hdev, skb);
4725 break;
4726
a9de9248
MH		 4727 case HCI_EV_CMD_COMPLETE:
4728 hci_cmd_complete_evt(hdev, skb);
4729 break;
4730
4731 case HCI_EV_CMD_STATUS:
4732 hci_cmd_status_evt(hdev, skb);
4733 break;
4734
4735 case HCI_EV_ROLE_CHANGE:
4736 hci_role_change_evt(hdev, skb);
4737 break;
4738
4739 case HCI_EV_NUM_COMP_PKTS:
4740 hci_num_comp_pkts_evt(hdev, skb);
4741 break;
4742
4743 case HCI_EV_MODE_CHANGE:
4744 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4745 break;
4746
4747 case HCI_EV_PIN_CODE_REQ:
4748 hci_pin_code_request_evt(hdev, skb);
4749 break;
4750
4751 case HCI_EV_LINK_KEY_REQ:
4752 hci_link_key_request_evt(hdev, skb);
4753 break;
4754
4755 case HCI_EV_LINK_KEY_NOTIFY:
4756 hci_link_key_notify_evt(hdev, skb);
4757 break;
4758
4759 case HCI_EV_CLOCK_OFFSET:
4760 hci_clock_offset_evt(hdev, skb);
4761 break;
4762
a8746417
MH		 4763 case HCI_EV_PKT_TYPE_CHANGE:
4764 hci_pkt_type_change_evt(hdev, skb);
4765 break;
4766
85a1e930
MH		 4767 case HCI_EV_PSCAN_REP_MODE:
4768 hci_pscan_rep_mode_evt(hdev, skb);
4769 break;
4770
a9de9248
MH		 4771 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4772 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4773 break;
4774
a9de9248
MH		 4775 case HCI_EV_REMOTE_EXT_FEATURES:
4776 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4777 break;
4778
a9de9248
MH		 4779 case HCI_EV_SYNC_CONN_COMPLETE:
4780 hci_sync_conn_complete_evt(hdev, skb);
4781 break;
1da177e4 4782
a9de9248
MH		 4783 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4784 hci_extended_inquiry_result_evt(hdev, skb);
4785 break;
1da177e4 4786
1c2e0041
JH		 4787 case HCI_EV_KEY_REFRESH_COMPLETE:
4788 hci_key_refresh_complete_evt(hdev, skb);
4789 break;
4790
0493684e
MH		 4791 case HCI_EV_IO_CAPA_REQUEST:
4792 hci_io_capa_request_evt(hdev, skb);
4793 break;
4794
03b555e1
JH		 4795 case HCI_EV_IO_CAPA_REPLY:
4796 hci_io_capa_reply_evt(hdev, skb);
4797 break;
4798
a5c29683
JH		 4799 case HCI_EV_USER_CONFIRM_REQUEST:
4800 hci_user_confirm_request_evt(hdev, skb);
4801 break;
4802
1143d458
BG		 4803 case HCI_EV_USER_PASSKEY_REQUEST:
4804 hci_user_passkey_request_evt(hdev, skb);
4805 break;
4806
92a25256
JH		 4807 case HCI_EV_USER_PASSKEY_NOTIFY:
4808 hci_user_passkey_notify_evt(hdev, skb);
4809 break;
4810
4811 case HCI_EV_KEYPRESS_NOTIFY:
4812 hci_keypress_notify_evt(hdev, skb);
4813 break;
4814
0493684e
MH		 4815 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4816 hci_simple_pair_complete_evt(hdev, skb);
4817 break;
4818
41a96212
MH		 4819 case HCI_EV_REMOTE_HOST_FEATURES:
4820 hci_remote_host_features_evt(hdev, skb);
4821 break;
4822
fcd89c09
VT		 4823 case HCI_EV_LE_META:
4824 hci_le_meta_evt(hdev, skb);
4825 break;
4826
9495b2ee
AE		 4827 case HCI_EV_CHANNEL_SELECTED:
4828 hci_chan_selected_evt(hdev, skb);
4829 break;
4830
2763eda6
SJ		 4831 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4832 hci_remote_oob_data_request_evt(hdev, skb);
4833 break;
4834
d5e91192
AE		 4835 case HCI_EV_PHY_LINK_COMPLETE:
4836 hci_phy_link_complete_evt(hdev, skb);
4837 break;
4838
27695fb4
AE		 4839 case HCI_EV_LOGICAL_LINK_COMPLETE:
4840 hci_loglink_complete_evt(hdev, skb);
4841 break;
4842
606e2a10
AE		 4843 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4844 hci_disconn_loglink_complete_evt(hdev, skb);
4845 break;
4846
9eef6b3a
AE		 4847 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4848 hci_disconn_phylink_complete_evt(hdev, skb);
4849 break;
4850
25e89e99
AE		 4851 case HCI_EV_NUM_COMP_BLOCKS:
4852 hci_num_comp_blocks_evt(hdev, skb);
4853 break;
4854
a9de9248 4855 default:
9f1db00c 4856 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4857 break;
4858 }
4859
4860 kfree_skb(skb);
4861 hdev->stat.evt_rx++;
4862}
Linux kernel - Deliverables
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