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Bluetooth: Use BTUSB_BROKEN_ISOC flag for CSR USB sniffer devices
[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));
104 if (conn) {
105 if (rp->role)
4dae2798 106 clear_bit(HCI_CONN_MASTER, &conn->flags);
a9de9248 107 else
4dae2798 108 set_bit(HCI_CONN_MASTER, &conn->flags);
1da177e4 109 }
a9de9248
MH		 110
111 hci_dev_unlock(hdev);
1da177e4
LT		 112}
113
e4e8e37c
MH		 114static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
115{
116 struct hci_rp_read_link_policy *rp = (void *) skb->data;
117 struct hci_conn *conn;
118
9f1db00c 119 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 120
121 if (rp->status)
122 return;
123
124 hci_dev_lock(hdev);
125
126 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
127 if (conn)
128 conn->link_policy = __le16_to_cpu(rp->policy);
129
130 hci_dev_unlock(hdev);
131}
132
a9de9248 133static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 134{
a9de9248 135 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 136 struct hci_conn *conn;
04837f64 137 void *sent;
1da177e4 138
9f1db00c 139 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 140
a9de9248
MH		 141 if (rp->status)
142 return;
1da177e4 143
a9de9248
MH		 144 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
145 if (!sent)
146 return;
1da177e4 147
a9de9248 148 hci_dev_lock(hdev);
1da177e4 149
a9de9248 150 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 151 if (conn)
83985319 152 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 153
a9de9248
MH		 154 hci_dev_unlock(hdev);
155}
1da177e4 156
807deac2
GP		 157static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
158 struct sk_buff *skb)
e4e8e37c
MH		 159{
160 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
161
9f1db00c 162 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH		 163
164 if (rp->status)
165 return;
166
167 hdev->link_policy = __le16_to_cpu(rp->policy);
168}
169
807deac2
GP		 170static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
171 struct sk_buff *skb)
e4e8e37c
MH		 172{
173 __u8 status = *((__u8 *) skb->data);
174 void *sent;
175
9f1db00c 176 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c 177
45296acd
MH		 178 if (status)
179 return;
180
e4e8e37c
MH		 181 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
182 if (!sent)
183 return;
184
45296acd 185 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH		 186}
187
a9de9248
MH		 188static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
189{
190 __u8 status = *((__u8 *) skb->data);
04837f64 191
9f1db00c 192 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 193
10572132
GP		 194 clear_bit(HCI_RESET, &hdev->flags);
195
a297e97c 196 /* Reset all non-persistent flags */
2cc6fb00 197 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG		 198
199 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH		 200 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
201 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH		 202
203 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
204 hdev->adv_data_len = 0;
f8e808bd
MH		 205
206 memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
207 hdev->scan_rsp_data_len = 0;
06f5b778 208
533553f8
MH		 209 hdev->le_scan_type = LE_SCAN_PASSIVE;
210
06f5b778 211 hdev->ssp_debug_mode = 0;
a9de9248 212}
04837f64 213
a9de9248
MH		 214static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
215{
216 __u8 status = *((__u8 *) skb->data);
217 void *sent;
04837f64 218
9f1db00c 219 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 220
a9de9248
MH		 221 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
222 if (!sent)
223 return;
04837f64 224
56e5cb86
JH		 225 hci_dev_lock(hdev);
226
f51d5b24
JH		 227 if (test_bit(HCI_MGMT, &hdev->dev_flags))
228 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH		 229 else if (!status)
230 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 231
56e5cb86 232 hci_dev_unlock(hdev);
a9de9248
MH		 233}
234
235static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
236{
237 struct hci_rp_read_local_name *rp = (void *) skb->data;
238
9f1db00c 239 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 240
241 if (rp->status)
242 return;
243
db99b5fc
JH		 244 if (test_bit(HCI_SETUP, &hdev->dev_flags))
245 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH		 246}
247
248static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
249{
250 __u8 status = *((__u8 *) skb->data);
251 void *sent;
252
9f1db00c 253 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 254
255 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
256 if (!sent)
257 return;
258
259 if (!status) {
260 __u8 param = *((__u8 *) sent);
261
262 if (param == AUTH_ENABLED)
263 set_bit(HCI_AUTH, &hdev->flags);
264 else
265 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 266 }
a9de9248 267
33ef95ed
JH		 268 if (test_bit(HCI_MGMT, &hdev->dev_flags))
269 mgmt_auth_enable_complete(hdev, status);
1da177e4
LT		 270}
271
a9de9248 272static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 273{
a9de9248 274 __u8 status = *((__u8 *) skb->data);
45296acd 275 __u8 param;
1da177e4
LT		 276 void *sent;
277
9f1db00c 278 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 279
45296acd
MH		 280 if (status)
281 return;
282
a9de9248
MH		 283 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
284 if (!sent)
285 return;
1da177e4 286
45296acd 287 param = *((__u8 *) sent);
a9de9248 288
45296acd
MH		 289 if (param)
290 set_bit(HCI_ENCRYPT, &hdev->flags);
291 else
292 clear_bit(HCI_ENCRYPT, &hdev->flags);
a9de9248 293}
1da177e4 294
a9de9248
MH		 295static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
296{
45296acd
MH		 297 __u8 status = *((__u8 *) skb->data);
298 __u8 param;
36f7fc7e 299 int old_pscan, old_iscan;
a9de9248 300 void *sent;
1da177e4 301
9f1db00c 302 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 303
a9de9248
MH		 304 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
305 if (!sent)
306 return;
1da177e4 307
36f7fc7e
JH		 308 param = *((__u8 *) sent);
309
56e5cb86
JH		 310 hci_dev_lock(hdev);
311
fa1bd918 312 if (status) {
744cf19e 313 mgmt_write_scan_failed(hdev, param, status);
2d7cee58
JH		 314 hdev->discov_timeout = 0;
315 goto done;
316 }
317
0663ca2a
JH		 318 /* We need to ensure that we set this back on if someone changed
319 * the scan mode through a raw HCI socket.
320 */
321 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
322
36f7fc7e
JH		 323 old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
324 old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
325
326 if (param & SCAN_INQUIRY) {
327 set_bit(HCI_ISCAN, &hdev->flags);
328 if (!old_iscan)
744cf19e 329 mgmt_discoverable(hdev, 1);
36f7fc7e 330 } else if (old_iscan)
744cf19e 331 mgmt_discoverable(hdev, 0);
36f7fc7e
JH		 332
333 if (param & SCAN_PAGE) {
334 set_bit(HCI_PSCAN, &hdev->flags);
335 if (!old_pscan)
744cf19e 336 mgmt_connectable(hdev, 1);
36f7fc7e 337 } else if (old_pscan)
744cf19e 338 mgmt_connectable(hdev, 0);
1da177e4 339
36f7fc7e 340done:
56e5cb86 341 hci_dev_unlock(hdev);
a9de9248 342}
1da177e4 343
a9de9248
MH		 344static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
345{
346 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 347
9f1db00c 348 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 349
a9de9248
MH		 350 if (rp->status)
351 return;
1da177e4 352
a9de9248 353 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 354
a9de9248 355 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 356 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 357}
1da177e4 358
a9de9248
MH		 359static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
360{
361 __u8 status = *((__u8 *) skb->data);
362 void *sent;
1da177e4 363
9f1db00c 364 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 365
a9de9248
MH		 366 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
367 if (!sent)
368 return;
1da177e4 369
7f9a903c
MH		 370 hci_dev_lock(hdev);
371
372 if (status == 0)
373 memcpy(hdev->dev_class, sent, 3);
374
375 if (test_bit(HCI_MGMT, &hdev->dev_flags))
376 mgmt_set_class_of_dev_complete(hdev, sent, status);
377
378 hci_dev_unlock(hdev);
a9de9248 379}
1da177e4 380
a9de9248
MH		 381static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
382{
383 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
384 __u16 setting;
385
9f1db00c 386 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH		 387
388 if (rp->status)
389 return;
390
391 setting = __le16_to_cpu(rp->voice_setting);
392
f383f275 393 if (hdev->voice_setting == setting)
a9de9248
MH		 394 return;
395
396 hdev->voice_setting = setting;
397
9f1db00c 398 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 399
3c54711c 400 if (hdev->notify)
a9de9248 401 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH		 402}
403
8fc9ced3
GP		 404static void hci_cc_write_voice_setting(struct hci_dev *hdev,
405 struct sk_buff *skb)
a9de9248
MH		 406{
407 __u8 status = *((__u8 *) skb->data);
f383f275 408 __u16 setting;
a9de9248
MH		 409 void *sent;
410
9f1db00c 411 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 412
f383f275
MH		 413 if (status)
414 return;
415
a9de9248
MH		 416 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
417 if (!sent)
418 return;
1da177e4 419
f383f275 420 setting = get_unaligned_le16(sent);
1da177e4 421
f383f275
MH		 422 if (hdev->voice_setting == setting)
423 return;
424
425 hdev->voice_setting = setting;
1da177e4 426
9f1db00c 427 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 428
3c54711c 429 if (hdev->notify)
f383f275 430 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT		 431}
432
b4cb9fb2
MH		 433static void hci_cc_read_num_supported_iac(struct hci_dev *hdev,
434 struct sk_buff *skb)
435{
436 struct hci_rp_read_num_supported_iac *rp = (void *) skb->data;
437
438 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
439
440 if (rp->status)
441 return;
442
443 hdev->num_iac = rp->num_iac;
444
445 BT_DBG("%s num iac %d", hdev->name, hdev->num_iac);
446}
447
333140b5
MH		 448static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
449{
450 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 451 struct hci_cp_write_ssp_mode *sent;
333140b5 452
9f1db00c 453 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 454
333140b5
MH		 455 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
456 if (!sent)
457 return;
458
5ed8eb2f
JH		 459 if (!status) {
460 if (sent->mode)
cad718ed 461 hdev->features[1][0] |= LMP_HOST_SSP;
5ed8eb2f 462 else
cad718ed 463 hdev->features[1][0] &= ~LMP_HOST_SSP;
5ed8eb2f
JH		 464 }
465
ed2c4ee3 466 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 467 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 468 else if (!status) {
5ed8eb2f 469 if (sent->mode)
c0ecddc2
JH		 470 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
471 else
472 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
473 }
333140b5
MH		 474}
475
eac83dc6
MH		 476static void hci_cc_write_sc_support(struct hci_dev *hdev, struct sk_buff *skb)
477{
478 u8 status = *((u8 *) skb->data);
479 struct hci_cp_write_sc_support *sent;
480
481 BT_DBG("%s status 0x%2.2x", hdev->name, status);
482
483 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SC_SUPPORT);
484 if (!sent)
485 return;
486
487 if (!status) {
488 if (sent->support)
489 hdev->features[1][0] |= LMP_HOST_SC;
490 else
491 hdev->features[1][0] &= ~LMP_HOST_SC;
492 }
493
494 if (test_bit(HCI_MGMT, &hdev->dev_flags))
495 mgmt_sc_enable_complete(hdev, sent->support, status);
496 else if (!status) {
497 if (sent->support)
498 set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
499 else
500 clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
501 }
502}
503
a9de9248
MH		 504static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
505{
506 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 507
9f1db00c 508 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 509
a9de9248 510 if (rp->status)
42c6b129 511 return;
1143e5a6 512
0d5551f5
MH		 513 if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
514 hdev->hci_ver = rp->hci_ver;
515 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
516 hdev->lmp_ver = rp->lmp_ver;
517 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
518 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
519 }
d5859e22
JH		 520}
521
8fc9ced3
GP		 522static void hci_cc_read_local_commands(struct hci_dev *hdev,
523 struct sk_buff *skb)
a9de9248
MH		 524{
525 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 526
9f1db00c 527 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 528
6a070e6e
MH		 529 if (rp->status)
530 return;
531
532 if (test_bit(HCI_SETUP, &hdev->dev_flags))
2177bab5 533 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 534}
1da177e4 535
8fc9ced3
GP		 536static void hci_cc_read_local_features(struct hci_dev *hdev,
537 struct sk_buff *skb)
a9de9248
MH		 538{
539 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 540
9f1db00c 541 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 542
a9de9248
MH		 543 if (rp->status)
544 return;
5b7f9909 545
a9de9248 546 memcpy(hdev->features, rp->features, 8);
5b7f9909 547
a9de9248
MH		 548 /* Adjust default settings according to features
549 * supported by device. */
1da177e4 550
cad718ed 551 if (hdev->features[0][0] & LMP_3SLOT)
a9de9248 552 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 553
cad718ed 554 if (hdev->features[0][0] & LMP_5SLOT)
a9de9248 555 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 556
cad718ed 557 if (hdev->features[0][1] & LMP_HV2) {
a9de9248
MH		 558 hdev->pkt_type |= (HCI_HV2);
559 hdev->esco_type |= (ESCO_HV2);
560 }
1da177e4 561
cad718ed 562 if (hdev->features[0][1] & LMP_HV3) {
a9de9248
MH		 563 hdev->pkt_type |= (HCI_HV3);
564 hdev->esco_type |= (ESCO_HV3);
565 }
1da177e4 566
45db810f 567 if (lmp_esco_capable(hdev))
a9de9248 568 hdev->esco_type |= (ESCO_EV3);
da1f5198 569
cad718ed 570 if (hdev->features[0][4] & LMP_EV4)
a9de9248 571 hdev->esco_type |= (ESCO_EV4);
da1f5198 572
cad718ed 573 if (hdev->features[0][4] & LMP_EV5)
a9de9248 574 hdev->esco_type |= (ESCO_EV5);
1da177e4 575
cad718ed 576 if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
efc7688b
MH		 577 hdev->esco_type |= (ESCO_2EV3);
578
cad718ed 579 if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
efc7688b
MH		 580 hdev->esco_type |= (ESCO_3EV3);
581
cad718ed 582 if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
efc7688b 583 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
a9de9248 584}
1da177e4 585
971e3a4b 586static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 587 struct sk_buff *skb)
971e3a4b
AG		 588{
589 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
590
9f1db00c 591 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG		 592
593 if (rp->status)
42c6b129 594 return;
971e3a4b 595
57af75a8
MH		 596 if (hdev->max_page < rp->max_page)
597 hdev->max_page = rp->max_page;
d2c5d77f 598
cad718ed
JH		 599 if (rp->page < HCI_MAX_PAGES)
600 memcpy(hdev->features[rp->page], rp->features, 8);
971e3a4b
AG		 601}
602
1e89cffb 603static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 604 struct sk_buff *skb)
1e89cffb
AE		 605{
606 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
607
9f1db00c 608 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 609
45296acd
MH		 610 if (rp->status)
611 return;
612
613 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE		 614}
615
a9de9248
MH		 616static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
617{
618 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 619
9f1db00c 620 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 621
a9de9248
MH		 622 if (rp->status)
623 return;
1da177e4 624
a9de9248
MH		 625 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
626 hdev->sco_mtu = rp->sco_mtu;
627 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
628 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
629
630 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
631 hdev->sco_mtu = 64;
632 hdev->sco_pkts = 8;
1da177e4 633 }
a9de9248
MH		 634
635 hdev->acl_cnt = hdev->acl_pkts;
636 hdev->sco_cnt = hdev->sco_pkts;
637
807deac2
GP		 638 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
639 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH		 640}
641
642static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
643{
644 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
645
9f1db00c 646 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248 647
e30d3f5f
MH		 648 if (rp->status)
649 return;
650
651 if (test_bit(HCI_INIT, &hdev->flags))
a9de9248 652 bacpy(&hdev->bdaddr, &rp->bdaddr);
e30d3f5f
MH		 653
654 if (test_bit(HCI_SETUP, &hdev->dev_flags))
655 bacpy(&hdev->setup_addr, &rp->bdaddr);
23bb5763
JH		 656}
657
f332ec66
JH		 658static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
659 struct sk_buff *skb)
660{
661 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
662
663 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
664
45296acd
MH		 665 if (rp->status)
666 return;
667
668 if (test_bit(HCI_INIT, &hdev->flags)) {
f332ec66
JH		 669 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
670 hdev->page_scan_window = __le16_to_cpu(rp->window);
671 }
672}
673
4a3ee763
JH		 674static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
675 struct sk_buff *skb)
676{
677 u8 status = *((u8 *) skb->data);
678 struct hci_cp_write_page_scan_activity *sent;
679
680 BT_DBG("%s status 0x%2.2x", hdev->name, status);
681
682 if (status)
683 return;
684
685 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
686 if (!sent)
687 return;
688
689 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
690 hdev->page_scan_window = __le16_to_cpu(sent->window);
691}
692
f332ec66
JH		 693static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
694 struct sk_buff *skb)
695{
696 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
697
698 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
699
45296acd
MH		 700 if (rp->status)
701 return;
702
703 if (test_bit(HCI_INIT, &hdev->flags))
f332ec66
JH		 704 hdev->page_scan_type = rp->type;
705}
706
4a3ee763
JH		 707static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
708 struct sk_buff *skb)
709{
710 u8 status = *((u8 *) skb->data);
711 u8 *type;
712
713 BT_DBG("%s status 0x%2.2x", hdev->name, status);
714
715 if (status)
716 return;
717
718 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
719 if (type)
720 hdev->page_scan_type = *type;
721}
722
350ee4cf 723static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 724 struct sk_buff *skb)
350ee4cf
AE		 725{
726 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
727
9f1db00c 728 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE		 729
730 if (rp->status)
731 return;
732
733 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
734 hdev->block_len = __le16_to_cpu(rp->block_len);
735 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
736
737 hdev->block_cnt = hdev->num_blocks;
738
739 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 740 hdev->block_cnt, hdev->block_len);
350ee4cf
AE		 741}
742
33f35721
JH		 743static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
744{
745 struct hci_rp_read_clock *rp = (void *) skb->data;
746 struct hci_cp_read_clock *cp;
747 struct hci_conn *conn;
748
749 BT_DBG("%s", hdev->name);
750
751 if (skb->len < sizeof(*rp))
752 return;
753
754 if (rp->status)
755 return;
756
757 hci_dev_lock(hdev);
758
759 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
760 if (!cp)
761 goto unlock;
762
763 if (cp->which == 0x00) {
764 hdev->clock = le32_to_cpu(rp->clock);
765 goto unlock;
766 }
767
768 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
769 if (conn) {
770 conn->clock = le32_to_cpu(rp->clock);
771 conn->clock_accuracy = le16_to_cpu(rp->accuracy);
772 }
773
774unlock:
775 hci_dev_unlock(hdev);
776}
777
928abaa7 778static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 779 struct sk_buff *skb)
928abaa7
AE		 780{
781 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
782
9f1db00c 783 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE		 784
785 if (rp->status)
8e2a0d92 786 goto a2mp_rsp;
928abaa7
AE		 787
788 hdev->amp_status = rp->amp_status;
789 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
790 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
791 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
792 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
793 hdev->amp_type = rp->amp_type;
794 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
795 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
796 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
797 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
798
8e2a0d92
AE		 799a2mp_rsp:
800 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE		 801}
802
903e4541
AE		 803static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
804 struct sk_buff *skb)
805{
806 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
807 struct amp_assoc *assoc = &hdev->loc_assoc;
808 size_t rem_len, frag_len;
809
810 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
811
812 if (rp->status)
813 goto a2mp_rsp;
814
815 frag_len = skb->len - sizeof(*rp);
816 rem_len = __le16_to_cpu(rp->rem_len);
817
818 if (rem_len > frag_len) {
2e430be3 819 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE		 820
821 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
822 assoc->offset += frag_len;
823
824 /* Read other fragments */
825 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
826
827 return;
828 }
829
830 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
831 assoc->len = assoc->offset + rem_len;
832 assoc->offset = 0;
833
834a2mp_rsp:
835 /* Send A2MP Rsp when all fragments are received */
836 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 837 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE		 838}
839
d5859e22 840static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 841 struct sk_buff *skb)
d5859e22 842{
91c4e9b1 843 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 844
9f1db00c 845 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1 846
45296acd
MH		 847 if (rp->status)
848 return;
849
850 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH		 851}
852
980e1a53
JH		 853static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
854{
855 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
856 struct hci_cp_pin_code_reply *cp;
857 struct hci_conn *conn;
858
9f1db00c 859 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 860
56e5cb86
JH		 861 hci_dev_lock(hdev);
862
a8b2d5c2 863 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 864 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 865
fa1bd918 866 if (rp->status)
56e5cb86 867 goto unlock;
980e1a53
JH		 868
869 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
870 if (!cp)
56e5cb86 871 goto unlock;
980e1a53
JH		 872
873 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
874 if (conn)
875 conn->pin_length = cp->pin_len;
56e5cb86
JH		 876
877unlock:
878 hci_dev_unlock(hdev);
980e1a53
JH		 879}
880
881static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
882{
883 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
884
9f1db00c 885 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 886
56e5cb86
JH		 887 hci_dev_lock(hdev);
888
a8b2d5c2 889 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 890 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 891 rp->status);
56e5cb86
JH		 892
893 hci_dev_unlock(hdev);
980e1a53 894}
56e5cb86 895
6ed58ec5
VT		 896static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
897 struct sk_buff *skb)
898{
899 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
900
9f1db00c 901 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT		 902
903 if (rp->status)
904 return;
905
906 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
907 hdev->le_pkts = rp->le_max_pkt;
908
909 hdev->le_cnt = hdev->le_pkts;
910
911 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 912}
980e1a53 913
60e77321
JH		 914static void hci_cc_le_read_local_features(struct hci_dev *hdev,
915 struct sk_buff *skb)
916{
917 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
918
919 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
920
45296acd
MH		 921 if (rp->status)
922 return;
923
924 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH		 925}
926
8fa19098
JH		 927static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
928 struct sk_buff *skb)
929{
930 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
931
932 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
933
45296acd
MH		 934 if (rp->status)
935 return;
936
937 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH		 938}
939
a5c29683
JH		 940static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
941{
942 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
943
9f1db00c 944 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 945
56e5cb86
JH		 946 hci_dev_lock(hdev);
947
a8b2d5c2 948 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP		 949 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
950 rp->status);
56e5cb86
JH		 951
952 hci_dev_unlock(hdev);
a5c29683
JH		 953}
954
955static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 956 struct sk_buff *skb)
a5c29683
JH		 957{
958 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
959
9f1db00c 960 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 961
56e5cb86
JH		 962 hci_dev_lock(hdev);
963
a8b2d5c2 964 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 965 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 966 ACL_LINK, 0, rp->status);
56e5cb86
JH		 967
968 hci_dev_unlock(hdev);
a5c29683
JH		 969}
970
1143d458
BG		 971static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
972{
973 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
974
9f1db00c 975 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 976
977 hci_dev_lock(hdev);
978
a8b2d5c2 979 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 980 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 981 0, rp->status);
1143d458
BG		 982
983 hci_dev_unlock(hdev);
984}
985
986static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 987 struct sk_buff *skb)
1143d458
BG		 988{
989 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
990
9f1db00c 991 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG		 992
993 hci_dev_lock(hdev);
994
a8b2d5c2 995 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 996 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 997 ACL_LINK, 0, rp->status);
1143d458
BG		 998
999 hci_dev_unlock(hdev);
1000}
1001
4d2d2796
MH		 1002static void hci_cc_read_local_oob_data(struct hci_dev *hdev,
1003 struct sk_buff *skb)
c35938b2
SJ		 1004{
1005 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1006
9f1db00c 1007 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 1008
56e5cb86 1009 hci_dev_lock(hdev);
4d2d2796
MH		 1010 mgmt_read_local_oob_data_complete(hdev, rp->hash, rp->randomizer,
1011 NULL, NULL, rp->status);
1012 hci_dev_unlock(hdev);
1013}
1014
1015static void hci_cc_read_local_oob_ext_data(struct hci_dev *hdev,
1016 struct sk_buff *skb)
1017{
1018 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
1019
1020 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1021
1022 hci_dev_lock(hdev);
1023 mgmt_read_local_oob_data_complete(hdev, rp->hash192, rp->randomizer192,
1024 rp->hash256, rp->randomizer256,
1025 rp->status);
56e5cb86 1026 hci_dev_unlock(hdev);
c35938b2
SJ		 1027}
1028
7a4cd51d
MH		 1029
1030static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
1031{
1032 __u8 status = *((__u8 *) skb->data);
1033 bdaddr_t *sent;
1034
1035 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1036
45296acd
MH		 1037 if (status)
1038 return;
1039
7a4cd51d
MH		 1040 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
1041 if (!sent)
1042 return;
1043
1044 hci_dev_lock(hdev);
1045
45296acd 1046 bacpy(&hdev->random_addr, sent);
7a4cd51d
MH		 1047
1048 hci_dev_unlock(hdev);
1049}
1050
c1d5dc4a
JH		 1051static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
1052{
1053 __u8 *sent, status = *((__u8 *) skb->data);
1054
1055 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1056
45296acd 1057 if (status)
c1d5dc4a
JH		 1058 return;
1059
45296acd
MH		 1060 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
1061 if (!sent)
3c857757
JH		 1062 return;
1063
c1d5dc4a
JH		 1064 hci_dev_lock(hdev);
1065
3c857757
JH		 1066 /* If we're doing connection initation as peripheral. Set a
1067 * timeout in case something goes wrong.
1068 */
1069 if (*sent) {
1070 struct hci_conn *conn;
1071
1072 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
1073 if (conn)
1074 queue_delayed_work(hdev->workqueue,
1075 &conn->le_conn_timeout,
09ae260b 1076 conn->conn_timeout);
3c857757
JH		 1077 }
1078
1079 mgmt_advertising(hdev, *sent);
c1d5dc4a 1080
04b4edcb 1081 hci_dev_unlock(hdev);
c1d5dc4a
JH		 1082}
1083
533553f8
MH		 1084static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1085{
1086 struct hci_cp_le_set_scan_param *cp;
1087 __u8 status = *((__u8 *) skb->data);
1088
1089 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1090
45296acd
MH		 1091 if (status)
1092 return;
1093
533553f8
MH		 1094 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
1095 if (!cp)
1096 return;
1097
1098 hci_dev_lock(hdev);
1099
45296acd 1100 hdev->le_scan_type = cp->type;
533553f8
MH		 1101
1102 hci_dev_unlock(hdev);
1103}
1104
b9a6328f
JH		 1105static bool has_pending_adv_report(struct hci_dev *hdev)
1106{
1107 struct discovery_state *d = &hdev->discovery;
1108
1109 return bacmp(&d->last_adv_addr, BDADDR_ANY);
1110}
1111
1112static void clear_pending_adv_report(struct hci_dev *hdev)
1113{
1114 struct discovery_state *d = &hdev->discovery;
1115
1116 bacpy(&d->last_adv_addr, BDADDR_ANY);
1117 d->last_adv_data_len = 0;
1118}
1119
1120static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
c70a7e4c
MH		 1121 u8 bdaddr_type, s8 rssi, u32 flags,
1122 u8 *data, u8 len)
b9a6328f
JH		 1123{
1124 struct discovery_state *d = &hdev->discovery;
1125
1126 bacpy(&d->last_adv_addr, bdaddr);
1127 d->last_adv_addr_type = bdaddr_type;
ff5cd29f 1128 d->last_adv_rssi = rssi;
c70a7e4c 1129 d->last_adv_flags = flags;
b9a6328f
JH		 1130 memcpy(d->last_adv_data, data, len);
1131 d->last_adv_data_len = len;
1132}
1133
eb9d91f5 1134static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1135 struct sk_buff *skb)
eb9d91f5
AG		 1136{
1137 struct hci_cp_le_set_scan_enable *cp;
1138 __u8 status = *((__u8 *) skb->data);
1139
9f1db00c 1140 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1141
45296acd 1142 if (status)
eb9d91f5
AG		 1143 return;
1144
45296acd
MH		 1145 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1146 if (!cp)
3fd319b8
AG		 1147 return;
1148
68a8aea4 1149 switch (cp->enable) {
76a388be 1150 case LE_SCAN_ENABLE:
d23264a8 1151 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
b9a6328f
JH		 1152 if (hdev->le_scan_type == LE_SCAN_ACTIVE)
1153 clear_pending_adv_report(hdev);
68a8aea4
AE		 1154 break;
1155
76a388be 1156 case LE_SCAN_DISABLE:
b9a6328f
JH		 1157 /* We do this here instead of when setting DISCOVERY_STOPPED
1158 * since the latter would potentially require waiting for
1159 * inquiry to stop too.
1160 */
1161 if (has_pending_adv_report(hdev)) {
1162 struct discovery_state *d = &hdev->discovery;
1163
1164 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ab0aa433 1165 d->last_adv_addr_type, NULL,
c70a7e4c 1166 d->last_adv_rssi, d->last_adv_flags,
ab0aa433 1167 d->last_adv_data,
b9a6328f
JH		 1168 d->last_adv_data_len, NULL, 0);
1169 }
1170
317ac8cb
JH		 1171 /* Cancel this timer so that we don't try to disable scanning
1172 * when it's already disabled.
1173 */
1174 cancel_delayed_work(&hdev->le_scan_disable);
1175
d23264a8 1176 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
81ad6fd9
JH		 1177 /* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
1178 * interrupted scanning due to a connect request. Mark
1179 * therefore discovery as stopped.
1180 */
1181 if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
1182 &hdev->dev_flags))
1183 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
68a8aea4
AE		 1184 break;
1185
1186 default:
1187 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1188 break;
35815085 1189 }
eb9d91f5
AG		 1190}
1191
cf1d081f
JH		 1192static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1193 struct sk_buff *skb)
1194{
1195 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1196
1197 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1198
45296acd
MH		 1199 if (rp->status)
1200 return;
1201
1202 hdev->le_white_list_size = rp->size;
cf1d081f
JH		 1203}
1204
0f36b589
MH		 1205static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
1206 struct sk_buff *skb)
1207{
1208 __u8 status = *((__u8 *) skb->data);
1209
1210 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1211
45296acd
MH		 1212 if (status)
1213 return;
1214
1215 hci_white_list_clear(hdev);
0f36b589
MH		 1216}
1217
1218static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
1219 struct sk_buff *skb)
1220{
1221 struct hci_cp_le_add_to_white_list *sent;
1222 __u8 status = *((__u8 *) skb->data);
1223
1224 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1225
45296acd
MH		 1226 if (status)
1227 return;
1228
0f36b589
MH		 1229 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
1230 if (!sent)
1231 return;
1232
45296acd 1233 hci_white_list_add(hdev, &sent->bdaddr, sent->bdaddr_type);
0f36b589
MH		 1234}
1235
1236static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
1237 struct sk_buff *skb)
1238{
1239 struct hci_cp_le_del_from_white_list *sent;
1240 __u8 status = *((__u8 *) skb->data);
1241
1242 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1243
45296acd
MH		 1244 if (status)
1245 return;
1246
0f36b589
MH		 1247 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
1248 if (!sent)
1249 return;
1250
45296acd 1251 hci_white_list_del(hdev, &sent->bdaddr, sent->bdaddr_type);
0f36b589
MH		 1252}
1253
9b008c04
JH		 1254static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1255 struct sk_buff *skb)
1256{
1257 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1258
1259 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1260
45296acd
MH		 1261 if (rp->status)
1262 return;
1263
1264 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH		 1265}
1266
6039aa73
GP		 1267static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1268 struct sk_buff *skb)
f9b49306 1269{
06199cf8 1270 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG		 1271 __u8 status = *((__u8 *) skb->data);
1272
9f1db00c 1273 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1274
45296acd
MH		 1275 if (status)
1276 return;
1277
06199cf8 1278 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1279 if (!sent)
f9b49306
AG		 1280 return;
1281
45296acd
MH		 1282 if (sent->le) {
1283 hdev->features[1][0] |= LMP_HOST_LE;
1284 set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1285 } else {
1286 hdev->features[1][0] &= ~LMP_HOST_LE;
1287 clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1288 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
8f984dfa 1289 }
45296acd
MH		 1290
1291 if (sent->simul)
1292 hdev->features[1][0] |= LMP_HOST_LE_BREDR;
1293 else
1294 hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
f9b49306
AG		 1295}
1296
56ed2cb8
JH		 1297static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
1298{
1299 struct hci_cp_le_set_adv_param *cp;
1300 u8 status = *((u8 *) skb->data);
1301
1302 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1303
1304 if (status)
1305 return;
1306
1307 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_PARAM);
1308 if (!cp)
1309 return;
1310
1311 hci_dev_lock(hdev);
1312 hdev->adv_addr_type = cp->own_address_type;
1313 hci_dev_unlock(hdev);
1314}
1315
93c284ee
AE		 1316static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1317 struct sk_buff *skb)
1318{
1319 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1320
1321 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1322 hdev->name, rp->status, rp->phy_handle);
1323
1324 if (rp->status)
1325 return;
1326
1327 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1328}
1329
5ae76a94
AK		 1330static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb)
1331{
1332 struct hci_rp_read_rssi *rp = (void *) skb->data;
1333 struct hci_conn *conn;
1334
1335 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1336
1337 if (rp->status)
1338 return;
1339
1340 hci_dev_lock(hdev);
1341
1342 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
1343 if (conn)
1344 conn->rssi = rp->rssi;
1345
1346 hci_dev_unlock(hdev);
1347}
1348
5a134fae
AK		 1349static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
1350{
1351 struct hci_cp_read_tx_power *sent;
1352 struct hci_rp_read_tx_power *rp = (void *) skb->data;
1353 struct hci_conn *conn;
1354
1355 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1356
1357 if (rp->status)
1358 return;
1359
1360 sent = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
1361 if (!sent)
1362 return;
1363
1364 hci_dev_lock(hdev);
1365
1366 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
d0455ed9
AK		 1367 if (!conn)
1368 goto unlock;
1369
1370 switch (sent->type) {
1371 case 0x00:
5a134fae 1372 conn->tx_power = rp->tx_power;
d0455ed9
AK		 1373 break;
1374 case 0x01:
1375 conn->max_tx_power = rp->tx_power;
1376 break;
1377 }
5a134fae 1378
d0455ed9 1379unlock:
5a134fae
AK		 1380 hci_dev_unlock(hdev);
1381}
1382
6039aa73 1383static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1384{
9f1db00c 1385 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1386
1387 if (status) {
a9de9248 1388 hci_conn_check_pending(hdev);
314b2381
JH		 1389 return;
1390 }
1391
89352e7d 1392 set_bit(HCI_INQUIRY, &hdev->flags);
1da177e4
LT		 1393}
1394
6039aa73 1395static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1396{
a9de9248 1397 struct hci_cp_create_conn *cp;
1da177e4 1398 struct hci_conn *conn;
1da177e4 1399
9f1db00c 1400 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH		 1401
1402 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT		 1403 if (!cp)
1404 return;
1405
1406 hci_dev_lock(hdev);
1407
1408 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1409
6ed93dc6 1410 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT		 1411
1412 if (status) {
1413 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH		 1414 if (status != 0x0c || conn->attempt > 2) {
1415 conn->state = BT_CLOSED;
1416 hci_proto_connect_cfm(conn, status);
1417 hci_conn_del(conn);
1418 } else
1419 conn->state = BT_CONNECT2;
1da177e4
LT		 1420 }
1421 } else {
1422 if (!conn) {
1423 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1424 if (conn) {
a0c808b3 1425 conn->out = true;
4dae2798 1426 set_bit(HCI_CONN_MASTER, &conn->flags);
1da177e4 1427 } else
893ef971 1428 BT_ERR("No memory for new connection");
1da177e4
LT		 1429 }
1430 }
1431
1432 hci_dev_unlock(hdev);
1433}
1434
a9de9248 1435static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1436{
a9de9248
MH		 1437 struct hci_cp_add_sco *cp;
1438 struct hci_conn *acl, *sco;
1439 __u16 handle;
1da177e4 1440
9f1db00c 1441 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1442
a9de9248
MH		 1443 if (!status)
1444 return;
1da177e4 1445
a9de9248
MH		 1446 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1447 if (!cp)
1448 return;
1da177e4 1449
a9de9248 1450 handle = __le16_to_cpu(cp->handle);
1da177e4 1451
9f1db00c 1452 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1453
a9de9248 1454 hci_dev_lock(hdev);
1da177e4 1455
a9de9248 1456 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1457 if (acl) {
1458 sco = acl->link;
1459 if (sco) {
1460 sco->state = BT_CLOSED;
1da177e4 1461
5a08ecce
AE		 1462 hci_proto_connect_cfm(sco, status);
1463 hci_conn_del(sco);
1464 }
a9de9248 1465 }
1da177e4 1466
a9de9248
MH		 1467 hci_dev_unlock(hdev);
1468}
1da177e4 1469
f8558555
MH		 1470static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1471{
1472 struct hci_cp_auth_requested *cp;
1473 struct hci_conn *conn;
1474
9f1db00c 1475 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1476
1477 if (!status)
1478 return;
1479
1480 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1481 if (!cp)
1482 return;
1483
1484 hci_dev_lock(hdev);
1485
1486 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1487 if (conn) {
1488 if (conn->state == BT_CONFIG) {
1489 hci_proto_connect_cfm(conn, status);
76a68ba0 1490 hci_conn_drop(conn);
f8558555
MH		 1491 }
1492 }
1493
1494 hci_dev_unlock(hdev);
1495}
1496
1497static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1498{
1499 struct hci_cp_set_conn_encrypt *cp;
1500 struct hci_conn *conn;
1501
9f1db00c 1502 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH		 1503
1504 if (!status)
1505 return;
1506
1507 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1508 if (!cp)
1509 return;
1510
1511 hci_dev_lock(hdev);
1512
1513 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1514 if (conn) {
1515 if (conn->state == BT_CONFIG) {
1516 hci_proto_connect_cfm(conn, status);
76a68ba0 1517 hci_conn_drop(conn);
f8558555
MH		 1518 }
1519 }
1520
1521 hci_dev_unlock(hdev);
1522}
1523
127178d2 1524static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1525 struct hci_conn *conn)
392599b9 1526{
392599b9
JH		 1527 if (conn->state != BT_CONFIG || !conn->out)
1528 return 0;
1529
765c2a96 1530 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH		 1531 return 0;
1532
1533 /* Only request authentication for SSP connections or non-SSP
264b8b4e
JH		 1534 * devices with sec_level MEDIUM or HIGH or if MITM protection
1535 * is requested.
1536 */
807deac2 1537 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
7e3691e1 1538 conn->pending_sec_level != BT_SECURITY_FIPS &&
264b8b4e
JH		 1539 conn->pending_sec_level != BT_SECURITY_HIGH &&
1540 conn->pending_sec_level != BT_SECURITY_MEDIUM)
392599b9
JH		 1541 return 0;
1542
392599b9
JH		 1543 return 1;
1544}
1545
6039aa73 1546static int hci_resolve_name(struct hci_dev *hdev,
04124681 1547 struct inquiry_entry *e)
30dc78e1
JH		 1548{
1549 struct hci_cp_remote_name_req cp;
1550
1551 memset(&cp, 0, sizeof(cp));
1552
1553 bacpy(&cp.bdaddr, &e->data.bdaddr);
1554 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1555 cp.pscan_mode = e->data.pscan_mode;
1556 cp.clock_offset = e->data.clock_offset;
1557
1558 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1559}
1560
b644ba33 1561static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH		 1562{
1563 struct discovery_state *discov = &hdev->discovery;
1564 struct inquiry_entry *e;
1565
b644ba33
JH		 1566 if (list_empty(&discov->resolve))
1567 return false;
1568
1569 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM		 1570 if (!e)
1571 return false;
1572
b644ba33
JH		 1573 if (hci_resolve_name(hdev, e) == 0) {
1574 e->name_state = NAME_PENDING;
1575 return true;
1576 }
1577
1578 return false;
1579}
1580
1581static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1582 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH		 1583{
1584 struct discovery_state *discov = &hdev->discovery;
1585 struct inquiry_entry *e;
1586
1587 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP		 1588 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1589 name_len, conn->dev_class);
b644ba33
JH		 1590
1591 if (discov->state == DISCOVERY_STOPPED)
1592 return;
1593
30dc78e1
JH		 1594 if (discov->state == DISCOVERY_STOPPING)
1595 goto discov_complete;
1596
1597 if (discov->state != DISCOVERY_RESOLVING)
1598 return;
1599
1600 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM		 1601 /* If the device was not found in a list of found devices names of which
1602 * are pending. there is no need to continue resolving a next name as it
1603 * will be done upon receiving another Remote Name Request Complete
1604 * Event */
1605 if (!e)
1606 return;
1607
1608 list_del(&e->list);
1609 if (name) {
30dc78e1 1610 e->name_state = NAME_KNOWN;
7cc8380e
RM		 1611 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1612 e->data.rssi, name, name_len);
c3e7c0d9
RM		 1613 } else {
1614 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH		 1615 }
1616
b644ba33 1617 if (hci_resolve_next_name(hdev))
30dc78e1 1618 return;
30dc78e1
JH		 1619
1620discov_complete:
1621 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1622}
1623
a9de9248
MH		 1624static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1625{
127178d2
JH		 1626 struct hci_cp_remote_name_req *cp;
1627 struct hci_conn *conn;
1628
9f1db00c 1629 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH		 1630
1631 /* If successful wait for the name req complete event before
1632 * checking for the need to do authentication */
1633 if (!status)
1634 return;
1635
1636 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1637 if (!cp)
1638 return;
1639
1640 hci_dev_lock(hdev);
1641
b644ba33
JH		 1642 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1643
a8b2d5c2 1644 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1645 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1646
79c6c70c
JH		 1647 if (!conn)
1648 goto unlock;
1649
1650 if (!hci_outgoing_auth_needed(hdev, conn))
1651 goto unlock;
1652
51a8efd7 1653 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
c1f23a2b
JB		 1654 struct hci_cp_auth_requested auth_cp;
1655
1656 auth_cp.handle = __cpu_to_le16(conn->handle);
1657 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
1658 sizeof(auth_cp), &auth_cp);
127178d2
JH		 1659 }
1660
79c6c70c 1661unlock:
127178d2 1662 hci_dev_unlock(hdev);
a9de9248 1663}
1da177e4 1664
769be974
MH		 1665static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1666{
1667 struct hci_cp_read_remote_features *cp;
1668 struct hci_conn *conn;
1669
9f1db00c 1670 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1671
1672 if (!status)
1673 return;
1674
1675 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1676 if (!cp)
1677 return;
1678
1679 hci_dev_lock(hdev);
1680
1681 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1682 if (conn) {
1683 if (conn->state == BT_CONFIG) {
769be974 1684 hci_proto_connect_cfm(conn, status);
76a68ba0 1685 hci_conn_drop(conn);
769be974
MH		 1686 }
1687 }
1688
1689 hci_dev_unlock(hdev);
1690}
1691
1692static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1693{
1694 struct hci_cp_read_remote_ext_features *cp;
1695 struct hci_conn *conn;
1696
9f1db00c 1697 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH		 1698
1699 if (!status)
1700 return;
1701
1702 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1703 if (!cp)
1704 return;
1705
1706 hci_dev_lock(hdev);
1707
1708 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1709 if (conn) {
1710 if (conn->state == BT_CONFIG) {
769be974 1711 hci_proto_connect_cfm(conn, status);
76a68ba0 1712 hci_conn_drop(conn);
769be974
MH		 1713 }
1714 }
1715
1716 hci_dev_unlock(hdev);
1717}
1718
a9de9248
MH		 1719static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1720{
b6a0dc82
MH		 1721 struct hci_cp_setup_sync_conn *cp;
1722 struct hci_conn *acl, *sco;
1723 __u16 handle;
1724
9f1db00c 1725 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH		 1726
1727 if (!status)
1728 return;
1729
1730 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1731 if (!cp)
1732 return;
1733
1734 handle = __le16_to_cpu(cp->handle);
1735
9f1db00c 1736 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH		 1737
1738 hci_dev_lock(hdev);
1739
1740 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE		 1741 if (acl) {
1742 sco = acl->link;
1743 if (sco) {
1744 sco->state = BT_CLOSED;
b6a0dc82 1745
5a08ecce
AE		 1746 hci_proto_connect_cfm(sco, status);
1747 hci_conn_del(sco);
1748 }
b6a0dc82
MH		 1749 }
1750
1751 hci_dev_unlock(hdev);
1da177e4
LT		 1752}
1753
a9de9248 1754static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1755{
a9de9248
MH		 1756 struct hci_cp_sniff_mode *cp;
1757 struct hci_conn *conn;
1da177e4 1758
9f1db00c 1759 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1760
a9de9248
MH		 1761 if (!status)
1762 return;
04837f64 1763
a9de9248
MH		 1764 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1765 if (!cp)
1766 return;
04837f64 1767
a9de9248 1768 hci_dev_lock(hdev);
04837f64 1769
a9de9248 1770 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1771 if (conn) {
51a8efd7 1772 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1773
51a8efd7 1774 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1775 hci_sco_setup(conn, status);
1776 }
1777
a9de9248
MH		 1778 hci_dev_unlock(hdev);
1779}
04837f64 1780
a9de9248
MH		 1781static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1782{
1783 struct hci_cp_exit_sniff_mode *cp;
1784 struct hci_conn *conn;
04837f64 1785
9f1db00c 1786 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1787
a9de9248
MH		 1788 if (!status)
1789 return;
04837f64 1790
a9de9248
MH		 1791 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1792 if (!cp)
1793 return;
04837f64 1794
a9de9248 1795 hci_dev_lock(hdev);
1da177e4 1796
a9de9248 1797 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1798 if (conn) {
51a8efd7 1799 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1800
51a8efd7 1801 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH		 1802 hci_sco_setup(conn, status);
1803 }
1804
a9de9248 1805 hci_dev_unlock(hdev);
1da177e4
LT		 1806}
1807
88c3df13
JH		 1808static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1809{
1810 struct hci_cp_disconnect *cp;
1811 struct hci_conn *conn;
1812
1813 if (!status)
1814 return;
1815
1816 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1817 if (!cp)
1818 return;
1819
1820 hci_dev_lock(hdev);
1821
1822 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1823 if (conn)
1824 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1825 conn->dst_type, status);
88c3df13
JH		 1826
1827 hci_dev_unlock(hdev);
1828}
1829
a02226d6
AE		 1830static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1831{
93c284ee
AE		 1832 struct hci_cp_create_phy_link *cp;
1833
a02226d6 1834 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1835
93c284ee
AE		 1836 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1837 if (!cp)
1838 return;
1839
e58917b9
AE		 1840 hci_dev_lock(hdev);
1841
1842 if (status) {
1843 struct hci_conn *hcon;
1844
1845 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1846 if (hcon)
1847 hci_conn_del(hcon);
1848 } else {
1849 amp_write_remote_assoc(hdev, cp->phy_handle);
1850 }
1851
1852 hci_dev_unlock(hdev);
a02226d6
AE		 1853}
1854
0b26ab9d
AE		 1855static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1856{
1857 struct hci_cp_accept_phy_link *cp;
1858
1859 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1860
1861 if (status)
1862 return;
1863
1864 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1865 if (!cp)
1866 return;
1867
1868 amp_write_remote_assoc(hdev, cp->phy_handle);
1869}
1870
cb1d68f7
JH		 1871static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
1872{
1873 struct hci_cp_le_create_conn *cp;
1874 struct hci_conn *conn;
1875
1876 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1877
1878 /* All connection failure handling is taken care of by the
1879 * hci_le_conn_failed function which is triggered by the HCI
1880 * request completion callbacks used for connecting.
1881 */
1882 if (status)
1883 return;
1884
1885 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1886 if (!cp)
1887 return;
1888
1889 hci_dev_lock(hdev);
1890
1891 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1892 if (!conn)
1893 goto unlock;
1894
1895 /* Store the initiator and responder address information which
1896 * is needed for SMP. These values will not change during the
1897 * lifetime of the connection.
1898 */
1899 conn->init_addr_type = cp->own_address_type;
1900 if (cp->own_address_type == ADDR_LE_DEV_RANDOM)
1901 bacpy(&conn->init_addr, &hdev->random_addr);
1902 else
1903 bacpy(&conn->init_addr, &hdev->bdaddr);
1904
1905 conn->resp_addr_type = cp->peer_addr_type;
1906 bacpy(&conn->resp_addr, &cp->peer_addr);
1907
9489eca4
JH		 1908 /* We don't want the connection attempt to stick around
1909 * indefinitely since LE doesn't have a page timeout concept
1910 * like BR/EDR. Set a timer for any connection that doesn't use
1911 * the white list for connecting.
1912 */
1913 if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
1914 queue_delayed_work(conn->hdev->workqueue,
1915 &conn->le_conn_timeout,
09ae260b 1916 conn->conn_timeout);
9489eca4 1917
cb1d68f7
JH		 1918unlock:
1919 hci_dev_unlock(hdev);
1920}
1921
81d0c8ad
JH		 1922static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1923{
1924 struct hci_cp_le_start_enc *cp;
1925 struct hci_conn *conn;
1926
1927 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1928
1929 if (!status)
1930 return;
1931
1932 hci_dev_lock(hdev);
1933
1934 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_START_ENC);
1935 if (!cp)
1936 goto unlock;
1937
1938 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1939 if (!conn)
1940 goto unlock;
1941
1942 if (conn->state != BT_CONNECTED)
1943 goto unlock;
1944
1945 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1946 hci_conn_drop(conn);
1947
1948unlock:
1949 hci_dev_unlock(hdev);
1950}
1951
6039aa73 1952static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT		 1953{
1954 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH		 1955 struct discovery_state *discov = &hdev->discovery;
1956 struct inquiry_entry *e;
1da177e4 1957
9f1db00c 1958 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1959
a9de9248 1960 hci_conn_check_pending(hdev);
89352e7d
AG		 1961
1962 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1963 return;
1964
4e857c58 1965 smp_mb__after_atomic(); /* wake_up_bit advises about this barrier */
3e13fa1e
AG		 1966 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1967
a8b2d5c2 1968 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH		 1969 return;
1970
56e5cb86 1971 hci_dev_lock(hdev);
30dc78e1 1972
343f935b 1973 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH		 1974 goto unlock;
1975
1976 if (list_empty(&discov->resolve)) {
1977 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1978 goto unlock;
1979 }
1980
1981 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1982 if (e && hci_resolve_name(hdev, e) == 0) {
1983 e->name_state = NAME_PENDING;
1984 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1985 } else {
1986 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1987 }
1988
1989unlock:
56e5cb86 1990 hci_dev_unlock(hdev);
1da177e4
LT		 1991}
1992
6039aa73 1993static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1994{
45bb4bf0 1995 struct inquiry_data data;
a9de9248 1996 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT		 1997 int num_rsp = *((__u8 *) skb->data);
1998
1999 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2000
45bb4bf0
MH		 2001 if (!num_rsp)
2002 return;
2003
1519cc17
AG		 2004 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2005 return;
2006
1da177e4 2007 hci_dev_lock(hdev);
45bb4bf0 2008
e17acd40 2009 for (; num_rsp; num_rsp--, info++) {
af58925c 2010 u32 flags;
3175405b 2011
1da177e4
LT		 2012 bacpy(&data.bdaddr, &info->bdaddr);
2013 data.pscan_rep_mode = info->pscan_rep_mode;
2014 data.pscan_period_mode = info->pscan_period_mode;
2015 data.pscan_mode = info->pscan_mode;
2016 memcpy(data.dev_class, info->dev_class, 3);
2017 data.clock_offset = info->clock_offset;
2018 data.rssi = 0x00;
41a96212 2019 data.ssp_mode = 0x00;
3175405b 2020
af58925c
MH		 2021 flags = hci_inquiry_cache_update(hdev, &data, false);
2022
48264f06 2023 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c 2024 info->dev_class, 0, flags, NULL, 0, NULL, 0);
1da177e4 2025 }
45bb4bf0 2026
1da177e4
LT		 2027 hci_dev_unlock(hdev);
2028}
2029
6039aa73 2030static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2031{
a9de9248
MH		 2032 struct hci_ev_conn_complete *ev = (void *) skb->data;
2033 struct hci_conn *conn;
1da177e4
LT		 2034
2035 BT_DBG("%s", hdev->name);
2036
2037 hci_dev_lock(hdev);
2038
2039 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH		 2040 if (!conn) {
2041 if (ev->link_type != SCO_LINK)
2042 goto unlock;
2043
2044 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2045 if (!conn)
2046 goto unlock;
2047
2048 conn->type = SCO_LINK;
2049 }
1da177e4
LT		 2050
2051 if (!ev->status) {
2052 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH		 2053
2054 if (conn->type == ACL_LINK) {
2055 conn->state = BT_CONFIG;
2056 hci_conn_hold(conn);
a9ea3ed9
SJ		 2057
2058 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
2059 !hci_find_link_key(hdev, &ev->bdaddr))
2060 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2061 else
2062 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH		 2063 } else
2064 conn->state = BT_CONNECTED;
1da177e4 2065
7d0db0a3
MH		 2066 hci_conn_add_sysfs(conn);
2067
1da177e4 2068 if (test_bit(HCI_AUTH, &hdev->flags))
4dae2798 2069 set_bit(HCI_CONN_AUTH, &conn->flags);
1da177e4
LT		 2070
2071 if (test_bit(HCI_ENCRYPT, &hdev->flags))
4dae2798 2072 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
1da177e4 2073
04837f64
MH		 2074 /* Get remote features */
2075 if (conn->type == ACL_LINK) {
2076 struct hci_cp_read_remote_features cp;
2077 cp.handle = ev->handle;
769be974 2078 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 2079 sizeof(cp), &cp);
04837f64
MH		 2080 }
2081
1da177e4 2082 /* Set packet type for incoming connection */
d095c1eb 2083 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT		 2084 struct hci_cp_change_conn_ptype cp;
2085 cp.handle = ev->handle;
a8746417 2086 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP		 2087 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
2088 &cp);
1da177e4 2089 }
17d5c04c 2090 } else {
1da177e4 2091 conn->state = BT_CLOSED;
17d5c04c 2092 if (conn->type == ACL_LINK)
64c7b77c 2093 mgmt_connect_failed(hdev, &conn->dst, conn->type,
04124681 2094 conn->dst_type, ev->status);
17d5c04c 2095 }
1da177e4 2096
e73439d8
MH		 2097 if (conn->type == ACL_LINK)
2098 hci_sco_setup(conn, ev->status);
1da177e4 2099
769be974
MH		 2100 if (ev->status) {
2101 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2102 hci_conn_del(conn);
c89b6e6b
MH		 2103 } else if (ev->link_type != ACL_LINK)
2104 hci_proto_connect_cfm(conn, ev->status);
1da177e4 2105
a9de9248 2106unlock:
1da177e4 2107 hci_dev_unlock(hdev);
1da177e4 2108
a9de9248 2109 hci_conn_check_pending(hdev);
1da177e4
LT		 2110}
2111
6039aa73 2112static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2113{
a9de9248
MH		 2114 struct hci_ev_conn_request *ev = (void *) skb->data;
2115 int mask = hdev->link_mode;
20714bfe 2116 __u8 flags = 0;
1da177e4 2117
6ed93dc6 2118 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 2119 ev->link_type);
1da177e4 2120
20714bfe
FD		 2121 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
2122 &flags);
1da177e4 2123
138d22ef 2124 if ((mask & HCI_LM_ACCEPT) &&
b9ee0a78 2125 !hci_blacklist_lookup(hdev, &ev->bdaddr, BDADDR_BREDR)) {
a9de9248 2126 /* Connection accepted */
c7bdd502 2127 struct inquiry_entry *ie;
1da177e4 2128 struct hci_conn *conn;
1da177e4 2129
a9de9248 2130 hci_dev_lock(hdev);
b6a0dc82 2131
cc11b9c1
AE		 2132 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2133 if (ie)
c7bdd502
MH		 2134 memcpy(ie->data.dev_class, ev->dev_class, 3);
2135
8fc9ced3
GP		 2136 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
2137 &ev->bdaddr);
a9de9248 2138 if (!conn) {
cc11b9c1
AE		 2139 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
2140 if (!conn) {
893ef971 2141 BT_ERR("No memory for new connection");
a9de9248
MH		 2142 hci_dev_unlock(hdev);
2143 return;
1da177e4
LT		 2144 }
2145 }
b6a0dc82 2146
a9de9248 2147 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 2148
a9de9248 2149 hci_dev_unlock(hdev);
1da177e4 2150
20714bfe
FD		 2151 if (ev->link_type == ACL_LINK ||
2152 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
b6a0dc82 2153 struct hci_cp_accept_conn_req cp;
20714bfe 2154 conn->state = BT_CONNECT;
1da177e4 2155
b6a0dc82
MH		 2156 bacpy(&cp.bdaddr, &ev->bdaddr);
2157
2158 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
2159 cp.role = 0x00; /* Become master */
2160 else
2161 cp.role = 0x01; /* Remain slave */
2162
04124681
GP		 2163 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
2164 &cp);
20714bfe 2165 } else if (!(flags & HCI_PROTO_DEFER)) {
b6a0dc82 2166 struct hci_cp_accept_sync_conn_req cp;
20714bfe 2167 conn->state = BT_CONNECT;
b6a0dc82
MH		 2168
2169 bacpy(&cp.bdaddr, &ev->bdaddr);
a8746417 2170 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 2171
dcf4adbf
JP		 2172 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
2173 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
2174 cp.max_latency = cpu_to_le16(0xffff);
b6a0dc82
MH		 2175 cp.content_format = cpu_to_le16(hdev->voice_setting);
2176 cp.retrans_effort = 0xff;
1da177e4 2177
b6a0dc82 2178 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
04124681 2179 sizeof(cp), &cp);
20714bfe
FD		 2180 } else {
2181 conn->state = BT_CONNECT2;
2182 hci_proto_connect_cfm(conn, 0);
b6a0dc82 2183 }
a9de9248
MH		 2184 } else {
2185 /* Connection rejected */
2186 struct hci_cp_reject_conn_req cp;
1da177e4 2187
a9de9248 2188 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 2189 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
a9de9248 2190 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
1da177e4 2191 }
1da177e4
LT		 2192}
2193
f0d6a0ea
MA		 2194static u8 hci_to_mgmt_reason(u8 err)
2195{
2196 switch (err) {
2197 case HCI_ERROR_CONNECTION_TIMEOUT:
2198 return MGMT_DEV_DISCONN_TIMEOUT;
2199 case HCI_ERROR_REMOTE_USER_TERM:
2200 case HCI_ERROR_REMOTE_LOW_RESOURCES:
2201 case HCI_ERROR_REMOTE_POWER_OFF:
2202 return MGMT_DEV_DISCONN_REMOTE;
2203 case HCI_ERROR_LOCAL_HOST_TERM:
2204 return MGMT_DEV_DISCONN_LOCAL_HOST;
2205 default:
2206 return MGMT_DEV_DISCONN_UNKNOWN;
2207 }
2208}
2209
6039aa73 2210static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2211{
a9de9248 2212 struct hci_ev_disconn_complete *ev = (void *) skb->data;
abf54a50 2213 u8 reason = hci_to_mgmt_reason(ev->reason);
9fcb18ef 2214 struct hci_conn_params *params;
04837f64 2215 struct hci_conn *conn;
12d4a3b2 2216 bool mgmt_connected;
3846220b 2217 u8 type;
04837f64 2218
9f1db00c 2219 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 2220
2221 hci_dev_lock(hdev);
2222
2223 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH		 2224 if (!conn)
2225 goto unlock;
7d0db0a3 2226
abf54a50
AG		 2227 if (ev->status) {
2228 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
2229 conn->dst_type, ev->status);
2230 goto unlock;
37d9ef76 2231 }
f7520543 2232
3846220b
AG		 2233 conn->state = BT_CLOSED;
2234
12d4a3b2
JH		 2235 mgmt_connected = test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags);
2236 mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
2237 reason, mgmt_connected);
abf54a50 2238
af6a9c32
JH		 2239 if (conn->type == ACL_LINK &&
2240 test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
3846220b 2241 hci_remove_link_key(hdev, &conn->dst);
2210246c 2242
9fcb18ef
AG		 2243 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
2244 if (params) {
2245 switch (params->auto_connect) {
2246 case HCI_AUTO_CONN_LINK_LOSS:
2247 if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
2248 break;
2249 /* Fall through */
2250
2251 case HCI_AUTO_CONN_ALWAYS:
418025d1
JH		 2252 list_del_init(&params->action);
2253 list_add(&params->action, &hdev->pend_le_conns);
2254 hci_update_background_scan(hdev);
9fcb18ef
AG		 2255 break;
2256
2257 default:
2258 break;
2259 }
2260 }
2261
3846220b 2262 type = conn->type;
2210246c 2263
3846220b
AG		 2264 hci_proto_disconn_cfm(conn, ev->reason);
2265 hci_conn_del(conn);
2266
2267 /* Re-enable advertising if necessary, since it might
2268 * have been disabled by the connection. From the
2269 * HCI_LE_Set_Advertise_Enable command description in
2270 * the core specification (v4.0):
2271 * "The Controller shall continue advertising until the Host
2272 * issues an LE_Set_Advertise_Enable command with
2273 * Advertising_Enable set to 0x00 (Advertising is disabled)
2274 * or until a connection is created or until the Advertising
2275 * is timed out due to Directed Advertising."
2276 */
2277 if (type == LE_LINK)
2278 mgmt_reenable_advertising(hdev);
f7520543
JH		 2279
2280unlock:
04837f64
MH		 2281 hci_dev_unlock(hdev);
2282}
2283
6039aa73 2284static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2285{
a9de9248 2286 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 2287 struct hci_conn *conn;
1da177e4 2288
9f1db00c 2289 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2290
2291 hci_dev_lock(hdev);
2292
04837f64 2293 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR		 2294 if (!conn)
2295 goto unlock;
2296
2297 if (!ev->status) {
aa64a8b5 2298 if (!hci_conn_ssp_enabled(conn) &&
807deac2 2299 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 2300 BT_INFO("re-auth of legacy device is not possible.");
2a611692 2301 } else {
4dae2798 2302 set_bit(HCI_CONN_AUTH, &conn->flags);
d7556e20 2303 conn->sec_level = conn->pending_sec_level;
2a611692 2304 }
d7556e20 2305 } else {
bab73cb6 2306 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 2307 ev->status);
d7556e20 2308 }
1da177e4 2309
51a8efd7
JH		 2310 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
2311 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 2312
d7556e20 2313 if (conn->state == BT_CONFIG) {
aa64a8b5 2314 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR		 2315 struct hci_cp_set_conn_encrypt cp;
2316 cp.handle = ev->handle;
2317 cp.encrypt = 0x01;
2318 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2319 &cp);
052b30b0 2320 } else {
d7556e20
WR		 2321 conn->state = BT_CONNECTED;
2322 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2323 hci_conn_drop(conn);
052b30b0 2324 }
d7556e20
WR		 2325 } else {
2326 hci_auth_cfm(conn, ev->status);
052b30b0 2327
d7556e20
WR		 2328 hci_conn_hold(conn);
2329 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 2330 hci_conn_drop(conn);
d7556e20
WR		 2331 }
2332
51a8efd7 2333 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR		 2334 if (!ev->status) {
2335 struct hci_cp_set_conn_encrypt cp;
2336 cp.handle = ev->handle;
2337 cp.encrypt = 0x01;
2338 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 2339 &cp);
d7556e20 2340 } else {
51a8efd7 2341 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 2342 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT		 2343 }
2344 }
2345
d7556e20 2346unlock:
1da177e4
LT		 2347 hci_dev_unlock(hdev);
2348}
2349
6039aa73 2350static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2351{
127178d2
JH		 2352 struct hci_ev_remote_name *ev = (void *) skb->data;
2353 struct hci_conn *conn;
2354
a9de9248 2355 BT_DBG("%s", hdev->name);
1da177e4 2356
a9de9248 2357 hci_conn_check_pending(hdev);
127178d2
JH		 2358
2359 hci_dev_lock(hdev);
2360
b644ba33 2361 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2362
b644ba33
JH		 2363 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2364 goto check_auth;
a88a9652 2365
b644ba33
JH		 2366 if (ev->status == 0)
2367 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2368 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH		 2369 else
2370 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2371
2372check_auth:
79c6c70c
JH		 2373 if (!conn)
2374 goto unlock;
2375
2376 if (!hci_outgoing_auth_needed(hdev, conn))
2377 goto unlock;
2378
51a8efd7 2379 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH		 2380 struct hci_cp_auth_requested cp;
2381 cp.handle = __cpu_to_le16(conn->handle);
2382 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2383 }
2384
79c6c70c 2385unlock:
127178d2 2386 hci_dev_unlock(hdev);
a9de9248
MH		 2387}
2388
6039aa73 2389static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2390{
2391 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2392 struct hci_conn *conn;
2393
9f1db00c 2394 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2395
2396 hci_dev_lock(hdev);
2397
04837f64 2398 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
dc8357cc
MH		 2399 if (!conn)
2400 goto unlock;
1da177e4 2401
dc8357cc
MH		 2402 if (!ev->status) {
2403 if (ev->encrypt) {
2404 /* Encryption implies authentication */
4dae2798
JH		 2405 set_bit(HCI_CONN_AUTH, &conn->flags);
2406 set_bit(HCI_CONN_ENCRYPT, &conn->flags);
dc8357cc 2407 conn->sec_level = conn->pending_sec_level;
abf76bad 2408
914a6ffe
MH		 2409 /* P-256 authentication key implies FIPS */
2410 if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
4dae2798 2411 set_bit(HCI_CONN_FIPS, &conn->flags);
914a6ffe 2412
abf76bad
MH		 2413 if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
2414 conn->type == LE_LINK)
2415 set_bit(HCI_CONN_AES_CCM, &conn->flags);
2416 } else {
4dae2798 2417 clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
abf76bad
MH		 2418 clear_bit(HCI_CONN_AES_CCM, &conn->flags);
2419 }
dc8357cc 2420 }
a7d7723a 2421
dc8357cc 2422 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
f8558555 2423
dc8357cc
MH		 2424 if (ev->status && conn->state == BT_CONNECTED) {
2425 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
2426 hci_conn_drop(conn);
2427 goto unlock;
1da177e4
LT		 2428 }
2429
dc8357cc
MH		 2430 if (conn->state == BT_CONFIG) {
2431 if (!ev->status)
2432 conn->state = BT_CONNECTED;
2433
40b552aa
MH		 2434 /* In Secure Connections Only mode, do not allow any
2435 * connections that are not encrypted with AES-CCM
2436 * using a P-256 authenticated combination key.
2437 */
2438 if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) &&
2439 (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
2440 conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
2441 hci_proto_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
2442 hci_conn_drop(conn);
2443 goto unlock;
2444 }
2445
dc8357cc
MH		 2446 hci_proto_connect_cfm(conn, ev->status);
2447 hci_conn_drop(conn);
2448 } else
2449 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
2450
a7d7723a 2451unlock:
1da177e4
LT		 2452 hci_dev_unlock(hdev);
2453}
2454
6039aa73
GP		 2455static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2456 struct sk_buff *skb)
1da177e4 2457{
a9de9248 2458 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2459 struct hci_conn *conn;
1da177e4 2460
9f1db00c 2461 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 2462
2463 hci_dev_lock(hdev);
2464
04837f64 2465 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 2466 if (conn) {
2467 if (!ev->status)
4dae2798 2468 set_bit(HCI_CONN_SECURE, &conn->flags);
1da177e4 2469
51a8efd7 2470 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT		 2471
2472 hci_key_change_cfm(conn, ev->status);
2473 }
2474
2475 hci_dev_unlock(hdev);
2476}
2477
6039aa73
GP		 2478static void hci_remote_features_evt(struct hci_dev *hdev,
2479 struct sk_buff *skb)
1da177e4 2480{
a9de9248
MH		 2481 struct hci_ev_remote_features *ev = (void *) skb->data;
2482 struct hci_conn *conn;
2483
9f1db00c 2484 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2485
a9de9248
MH		 2486 hci_dev_lock(hdev);
2487
2488 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 2489 if (!conn)
2490 goto unlock;
769be974 2491
ccd556fe 2492 if (!ev->status)
cad718ed 2493 memcpy(conn->features[0], ev->features, 8);
ccd556fe
JH		 2494
2495 if (conn->state != BT_CONFIG)
2496 goto unlock;
2497
2498 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2499 struct hci_cp_read_remote_ext_features cp;
2500 cp.handle = ev->handle;
2501 cp.page = 0x01;
2502 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2503 sizeof(cp), &cp);
392599b9
JH		 2504 goto unlock;
2505 }
2506
671267bf 2507 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 2508 struct hci_cp_remote_name_req cp;
2509 memset(&cp, 0, sizeof(cp));
2510 bacpy(&cp.bdaddr, &conn->dst);
2511 cp.pscan_rep_mode = 0x02;
2512 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 2513 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2514 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 2515 conn->dst_type, 0, NULL, 0,
2516 conn->dev_class);
392599b9 2517
127178d2 2518 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 2519 conn->state = BT_CONNECTED;
2520 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 2521 hci_conn_drop(conn);
769be974 2522 }
a9de9248 2523
ccd556fe 2524unlock:
a9de9248 2525 hci_dev_unlock(hdev);
1da177e4
LT		 2526}
2527
6039aa73 2528static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2529{
2530 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2531 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH		 2532 __u16 opcode;
2533
2534 skb_pull(skb, sizeof(*ev));
2535
2536 opcode = __le16_to_cpu(ev->opcode);
2537
2538 switch (opcode) {
2539 case HCI_OP_INQUIRY_CANCEL:
2540 hci_cc_inquiry_cancel(hdev, skb);
2541 break;
2542
4d93483b
AG		 2543 case HCI_OP_PERIODIC_INQ:
2544 hci_cc_periodic_inq(hdev, skb);
2545 break;
2546
a9de9248
MH		 2547 case HCI_OP_EXIT_PERIODIC_INQ:
2548 hci_cc_exit_periodic_inq(hdev, skb);
2549 break;
2550
2551 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2552 hci_cc_remote_name_req_cancel(hdev, skb);
2553 break;
2554
2555 case HCI_OP_ROLE_DISCOVERY:
2556 hci_cc_role_discovery(hdev, skb);
2557 break;
2558
e4e8e37c
MH		 2559 case HCI_OP_READ_LINK_POLICY:
2560 hci_cc_read_link_policy(hdev, skb);
2561 break;
2562
a9de9248
MH		 2563 case HCI_OP_WRITE_LINK_POLICY:
2564 hci_cc_write_link_policy(hdev, skb);
2565 break;
2566
e4e8e37c
MH		 2567 case HCI_OP_READ_DEF_LINK_POLICY:
2568 hci_cc_read_def_link_policy(hdev, skb);
2569 break;
2570
2571 case HCI_OP_WRITE_DEF_LINK_POLICY:
2572 hci_cc_write_def_link_policy(hdev, skb);
2573 break;
2574
a9de9248
MH		 2575 case HCI_OP_RESET:
2576 hci_cc_reset(hdev, skb);
2577 break;
2578
2579 case HCI_OP_WRITE_LOCAL_NAME:
2580 hci_cc_write_local_name(hdev, skb);
2581 break;
2582
2583 case HCI_OP_READ_LOCAL_NAME:
2584 hci_cc_read_local_name(hdev, skb);
2585 break;
2586
2587 case HCI_OP_WRITE_AUTH_ENABLE:
2588 hci_cc_write_auth_enable(hdev, skb);
2589 break;
2590
2591 case HCI_OP_WRITE_ENCRYPT_MODE:
2592 hci_cc_write_encrypt_mode(hdev, skb);
2593 break;
2594
2595 case HCI_OP_WRITE_SCAN_ENABLE:
2596 hci_cc_write_scan_enable(hdev, skb);
2597 break;
2598
2599 case HCI_OP_READ_CLASS_OF_DEV:
2600 hci_cc_read_class_of_dev(hdev, skb);
2601 break;
2602
2603 case HCI_OP_WRITE_CLASS_OF_DEV:
2604 hci_cc_write_class_of_dev(hdev, skb);
2605 break;
2606
2607 case HCI_OP_READ_VOICE_SETTING:
2608 hci_cc_read_voice_setting(hdev, skb);
2609 break;
2610
2611 case HCI_OP_WRITE_VOICE_SETTING:
2612 hci_cc_write_voice_setting(hdev, skb);
2613 break;
2614
b4cb9fb2
MH		 2615 case HCI_OP_READ_NUM_SUPPORTED_IAC:
2616 hci_cc_read_num_supported_iac(hdev, skb);
2617 break;
2618
333140b5
MH		 2619 case HCI_OP_WRITE_SSP_MODE:
2620 hci_cc_write_ssp_mode(hdev, skb);
2621 break;
2622
eac83dc6
MH		 2623 case HCI_OP_WRITE_SC_SUPPORT:
2624 hci_cc_write_sc_support(hdev, skb);
2625 break;
2626
a9de9248
MH		 2627 case HCI_OP_READ_LOCAL_VERSION:
2628 hci_cc_read_local_version(hdev, skb);
2629 break;
2630
2631 case HCI_OP_READ_LOCAL_COMMANDS:
2632 hci_cc_read_local_commands(hdev, skb);
2633 break;
2634
2635 case HCI_OP_READ_LOCAL_FEATURES:
2636 hci_cc_read_local_features(hdev, skb);
2637 break;
2638
971e3a4b
AG		 2639 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2640 hci_cc_read_local_ext_features(hdev, skb);
2641 break;
2642
a9de9248
MH		 2643 case HCI_OP_READ_BUFFER_SIZE:
2644 hci_cc_read_buffer_size(hdev, skb);
2645 break;
2646
2647 case HCI_OP_READ_BD_ADDR:
2648 hci_cc_read_bd_addr(hdev, skb);
2649 break;
2650
f332ec66
JH		 2651 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2652 hci_cc_read_page_scan_activity(hdev, skb);
2653 break;
2654
4a3ee763
JH		 2655 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2656 hci_cc_write_page_scan_activity(hdev, skb);
2657 break;
2658
f332ec66
JH		 2659 case HCI_OP_READ_PAGE_SCAN_TYPE:
2660 hci_cc_read_page_scan_type(hdev, skb);
2661 break;
2662
4a3ee763
JH		 2663 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2664 hci_cc_write_page_scan_type(hdev, skb);
2665 break;
2666
350ee4cf
AE		 2667 case HCI_OP_READ_DATA_BLOCK_SIZE:
2668 hci_cc_read_data_block_size(hdev, skb);
2669 break;
2670
1e89cffb
AE		 2671 case HCI_OP_READ_FLOW_CONTROL_MODE:
2672 hci_cc_read_flow_control_mode(hdev, skb);
2673 break;
2674
928abaa7
AE		 2675 case HCI_OP_READ_LOCAL_AMP_INFO:
2676 hci_cc_read_local_amp_info(hdev, skb);
2677 break;
2678
33f35721
JH		 2679 case HCI_OP_READ_CLOCK:
2680 hci_cc_read_clock(hdev, skb);
2681 break;
2682
903e4541
AE		 2683 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2684 hci_cc_read_local_amp_assoc(hdev, skb);
2685 break;
2686
d5859e22
JH		 2687 case HCI_OP_READ_INQ_RSP_TX_POWER:
2688 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2689 break;
2690
980e1a53
JH		 2691 case HCI_OP_PIN_CODE_REPLY:
2692 hci_cc_pin_code_reply(hdev, skb);
2693 break;
2694
2695 case HCI_OP_PIN_CODE_NEG_REPLY:
2696 hci_cc_pin_code_neg_reply(hdev, skb);
2697 break;
2698
c35938b2 2699 case HCI_OP_READ_LOCAL_OOB_DATA:
4d2d2796
MH		 2700 hci_cc_read_local_oob_data(hdev, skb);
2701 break;
2702
2703 case HCI_OP_READ_LOCAL_OOB_EXT_DATA:
2704 hci_cc_read_local_oob_ext_data(hdev, skb);
c35938b2
SJ		 2705 break;
2706
6ed58ec5
VT		 2707 case HCI_OP_LE_READ_BUFFER_SIZE:
2708 hci_cc_le_read_buffer_size(hdev, skb);
2709 break;
2710
60e77321
JH		 2711 case HCI_OP_LE_READ_LOCAL_FEATURES:
2712 hci_cc_le_read_local_features(hdev, skb);
2713 break;
2714
8fa19098
JH		 2715 case HCI_OP_LE_READ_ADV_TX_POWER:
2716 hci_cc_le_read_adv_tx_power(hdev, skb);
2717 break;
2718
a5c29683
JH		 2719 case HCI_OP_USER_CONFIRM_REPLY:
2720 hci_cc_user_confirm_reply(hdev, skb);
2721 break;
2722
2723 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2724 hci_cc_user_confirm_neg_reply(hdev, skb);
2725 break;
2726
1143d458
BG		 2727 case HCI_OP_USER_PASSKEY_REPLY:
2728 hci_cc_user_passkey_reply(hdev, skb);
2729 break;
2730
2731 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2732 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2733 break;
07f7fa5d 2734
7a4cd51d
MH		 2735 case HCI_OP_LE_SET_RANDOM_ADDR:
2736 hci_cc_le_set_random_addr(hdev, skb);
2737 break;
2738
c1d5dc4a
JH		 2739 case HCI_OP_LE_SET_ADV_ENABLE:
2740 hci_cc_le_set_adv_enable(hdev, skb);
2741 break;
2742
533553f8
MH		 2743 case HCI_OP_LE_SET_SCAN_PARAM:
2744 hci_cc_le_set_scan_param(hdev, skb);
2745 break;
2746
eb9d91f5
AG		 2747 case HCI_OP_LE_SET_SCAN_ENABLE:
2748 hci_cc_le_set_scan_enable(hdev, skb);
2749 break;
2750
cf1d081f
JH		 2751 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2752 hci_cc_le_read_white_list_size(hdev, skb);
2753 break;
2754
0f36b589
MH		 2755 case HCI_OP_LE_CLEAR_WHITE_LIST:
2756 hci_cc_le_clear_white_list(hdev, skb);
2757 break;
2758
2759 case HCI_OP_LE_ADD_TO_WHITE_LIST:
2760 hci_cc_le_add_to_white_list(hdev, skb);
2761 break;
2762
2763 case HCI_OP_LE_DEL_FROM_WHITE_LIST:
2764 hci_cc_le_del_from_white_list(hdev, skb);
2765 break;
2766
9b008c04
JH		 2767 case HCI_OP_LE_READ_SUPPORTED_STATES:
2768 hci_cc_le_read_supported_states(hdev, skb);
2769 break;
2770
f9b49306
AG		 2771 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2772 hci_cc_write_le_host_supported(hdev, skb);
2773 break;
2774
56ed2cb8
JH		 2775 case HCI_OP_LE_SET_ADV_PARAM:
2776 hci_cc_set_adv_param(hdev, skb);
2777 break;
2778
93c284ee
AE		 2779 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2780 hci_cc_write_remote_amp_assoc(hdev, skb);
2781 break;
2782
5ae76a94
AK		 2783 case HCI_OP_READ_RSSI:
2784 hci_cc_read_rssi(hdev, skb);
2785 break;
2786
5a134fae
AK		 2787 case HCI_OP_READ_TX_POWER:
2788 hci_cc_read_tx_power(hdev, skb);
2789 break;
2790
a9de9248 2791 default:
9f1db00c 2792 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2793 break;
2794 }
2795
ad82cdd1 2796 if (opcode != HCI_OP_NOP)
65cc2b49 2797 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2798
ad82cdd1 2799 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2800
dbccd791 2801 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2802 atomic_set(&hdev->cmd_cnt, 1);
2803 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2804 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2805 }
2806}
2807
6039aa73 2808static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2809{
2810 struct hci_ev_cmd_status *ev = (void *) skb->data;
2811 __u16 opcode;
2812
2813 skb_pull(skb, sizeof(*ev));
2814
2815 opcode = __le16_to_cpu(ev->opcode);
2816
2817 switch (opcode) {
2818 case HCI_OP_INQUIRY:
2819 hci_cs_inquiry(hdev, ev->status);
2820 break;
2821
2822 case HCI_OP_CREATE_CONN:
2823 hci_cs_create_conn(hdev, ev->status);
2824 break;
2825
2826 case HCI_OP_ADD_SCO:
2827 hci_cs_add_sco(hdev, ev->status);
2828 break;
2829
f8558555
MH		 2830 case HCI_OP_AUTH_REQUESTED:
2831 hci_cs_auth_requested(hdev, ev->status);
2832 break;
2833
2834 case HCI_OP_SET_CONN_ENCRYPT:
2835 hci_cs_set_conn_encrypt(hdev, ev->status);
2836 break;
2837
a9de9248
MH		 2838 case HCI_OP_REMOTE_NAME_REQ:
2839 hci_cs_remote_name_req(hdev, ev->status);
2840 break;
2841
769be974
MH		 2842 case HCI_OP_READ_REMOTE_FEATURES:
2843 hci_cs_read_remote_features(hdev, ev->status);
2844 break;
2845
2846 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2847 hci_cs_read_remote_ext_features(hdev, ev->status);
2848 break;
2849
a9de9248
MH		 2850 case HCI_OP_SETUP_SYNC_CONN:
2851 hci_cs_setup_sync_conn(hdev, ev->status);
2852 break;
2853
2854 case HCI_OP_SNIFF_MODE:
2855 hci_cs_sniff_mode(hdev, ev->status);
2856 break;
2857
2858 case HCI_OP_EXIT_SNIFF_MODE:
2859 hci_cs_exit_sniff_mode(hdev, ev->status);
2860 break;
2861
8962ee74 2862 case HCI_OP_DISCONNECT:
88c3df13 2863 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH		 2864 break;
2865
a02226d6
AE		 2866 case HCI_OP_CREATE_PHY_LINK:
2867 hci_cs_create_phylink(hdev, ev->status);
2868 break;
2869
0b26ab9d
AE		 2870 case HCI_OP_ACCEPT_PHY_LINK:
2871 hci_cs_accept_phylink(hdev, ev->status);
2872 break;
2873
cb1d68f7
JH		 2874 case HCI_OP_LE_CREATE_CONN:
2875 hci_cs_le_create_conn(hdev, ev->status);
2876 break;
2877
81d0c8ad
JH		 2878 case HCI_OP_LE_START_ENC:
2879 hci_cs_le_start_enc(hdev, ev->status);
2880 break;
2881
a9de9248 2882 default:
9f1db00c 2883 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH		 2884 break;
2885 }
2886
ad82cdd1 2887 if (opcode != HCI_OP_NOP)
65cc2b49 2888 cancel_delayed_work(&hdev->cmd_timer);
6bd32326 2889
02350a72
JH		 2890 if (ev->status ||
2891 (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
2892 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2893
10572132 2894 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH		 2895 atomic_set(&hdev->cmd_cnt, 1);
2896 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2897 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH		 2898 }
2899}
2900
6039aa73 2901static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2902{
2903 struct hci_ev_role_change *ev = (void *) skb->data;
2904 struct hci_conn *conn;
2905
9f1db00c 2906 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH		 2907
2908 hci_dev_lock(hdev);
2909
2910 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2911 if (conn) {
2912 if (!ev->status) {
2913 if (ev->role)
4dae2798 2914 clear_bit(HCI_CONN_MASTER, &conn->flags);
a9de9248 2915 else
4dae2798 2916 set_bit(HCI_CONN_MASTER, &conn->flags);
a9de9248
MH		 2917 }
2918
51a8efd7 2919 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH		 2920
2921 hci_role_switch_cfm(conn, ev->status, ev->role);
2922 }
2923
2924 hci_dev_unlock(hdev);
2925}
2926
6039aa73 2927static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH		 2928{
2929 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH		 2930 int i;
2931
32ac5b9b
AE		 2932 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2933 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2934 return;
2935 }
2936
c5993de8 2937 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2938 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH		 2939 BT_DBG("%s bad parameters", hdev->name);
2940 return;
2941 }
2942
c5993de8
AE		 2943 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2944
613a1c0c
AE		 2945 for (i = 0; i < ev->num_hndl; i++) {
2946 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH		 2947 struct hci_conn *conn;
2948 __u16 handle, count;
2949
613a1c0c
AE		 2950 handle = __le16_to_cpu(info->handle);
2951 count = __le16_to_cpu(info->count);
a9de9248
MH		 2952
2953 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE		 2954 if (!conn)
2955 continue;
2956
2957 conn->sent -= count;
2958
2959 switch (conn->type) {
2960 case ACL_LINK:
2961 hdev->acl_cnt += count;
2962 if (hdev->acl_cnt > hdev->acl_pkts)
2963 hdev->acl_cnt = hdev->acl_pkts;
2964 break;
2965
2966 case LE_LINK:
2967 if (hdev->le_pkts) {
2968 hdev->le_cnt += count;
2969 if (hdev->le_cnt > hdev->le_pkts)
2970 hdev->le_cnt = hdev->le_pkts;
2971 } else {
70f23020
AE		 2972 hdev->acl_cnt += count;
2973 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2974 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2975 }
f4280918
AE		 2976 break;
2977
2978 case SCO_LINK:
2979 hdev->sco_cnt += count;
2980 if (hdev->sco_cnt > hdev->sco_pkts)
2981 hdev->sco_cnt = hdev->sco_pkts;
2982 break;
2983
2984 default:
2985 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2986 break;
a9de9248
MH		 2987 }
2988 }
2989
3eff45ea 2990 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH		 2991}
2992
76ef7cf7
AE		 2993static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
2994 __u16 handle)
2995{
2996 struct hci_chan *chan;
2997
2998 switch (hdev->dev_type) {
2999 case HCI_BREDR:
3000 return hci_conn_hash_lookup_handle(hdev, handle);
3001 case HCI_AMP:
3002 chan = hci_chan_lookup_handle(hdev, handle);
3003 if (chan)
3004 return chan->conn;
3005 break;
3006 default:
3007 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
3008 break;
3009 }
3010
3011 return NULL;
3012}
3013
6039aa73 3014static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE		 3015{
3016 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
3017 int i;
3018
3019 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
3020 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
3021 return;
3022 }
3023
3024 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 3025 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE		 3026 BT_DBG("%s bad parameters", hdev->name);
3027 return;
3028 }
3029
3030 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 3031 ev->num_hndl);
25e89e99
AE		 3032
3033 for (i = 0; i < ev->num_hndl; i++) {
3034 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 3035 struct hci_conn *conn = NULL;
25e89e99
AE		 3036 __u16 handle, block_count;
3037
3038 handle = __le16_to_cpu(info->handle);
3039 block_count = __le16_to_cpu(info->blocks);
3040
76ef7cf7 3041 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE		 3042 if (!conn)
3043 continue;
3044
3045 conn->sent -= block_count;
3046
3047 switch (conn->type) {
3048 case ACL_LINK:
bd1eb66b 3049 case AMP_LINK:
25e89e99
AE		 3050 hdev->block_cnt += block_count;
3051 if (hdev->block_cnt > hdev->num_blocks)
3052 hdev->block_cnt = hdev->num_blocks;
3053 break;
3054
3055 default:
3056 BT_ERR("Unknown type %d conn %p", conn->type, conn);
3057 break;
3058 }
3059 }
3060
3061 queue_work(hdev->workqueue, &hdev->tx_work);
3062}
3063
6039aa73 3064static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 3065{
a9de9248 3066 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH		 3067 struct hci_conn *conn;
3068
9f1db00c 3069 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH		 3070
3071 hci_dev_lock(hdev);
3072
3073 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH		 3074 if (conn) {
3075 conn->mode = ev->mode;
a9de9248 3076
8fc9ced3
GP		 3077 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
3078 &conn->flags)) {
a9de9248 3079 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 3080 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3081 else
58a681ef 3082 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 3083 }
e73439d8 3084
51a8efd7 3085 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 3086 hci_sco_setup(conn, ev->status);
04837f64
MH		 3087 }
3088
3089 hci_dev_unlock(hdev);
3090}
3091
6039aa73 3092static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3093{
052b30b0
MH		 3094 struct hci_ev_pin_code_req *ev = (void *) skb->data;
3095 struct hci_conn *conn;
3096
a9de9248 3097 BT_DBG("%s", hdev->name);
052b30b0
MH		 3098
3099 hci_dev_lock(hdev);
3100
3101 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR		 3102 if (!conn)
3103 goto unlock;
3104
3105 if (conn->state == BT_CONNECTED) {
052b30b0
MH		 3106 hci_conn_hold(conn);
3107 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
76a68ba0 3108 hci_conn_drop(conn);
052b30b0
MH		 3109 }
3110
a8b2d5c2 3111 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 3112 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 3113 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 3114 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR		 3115 u8 secure;
3116
3117 if (conn->pending_sec_level == BT_SECURITY_HIGH)
3118 secure = 1;
3119 else
3120 secure = 0;
3121
744cf19e 3122 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 3123 }
980e1a53 3124
b6f98044 3125unlock:
052b30b0 3126 hci_dev_unlock(hdev);
a9de9248
MH		 3127}
3128
6039aa73 3129static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3130{
55ed8ca1
JH		 3131 struct hci_ev_link_key_req *ev = (void *) skb->data;
3132 struct hci_cp_link_key_reply cp;
3133 struct hci_conn *conn;
3134 struct link_key *key;
3135
a9de9248 3136 BT_DBG("%s", hdev->name);
55ed8ca1 3137
034cbea0 3138 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
55ed8ca1
JH		 3139 return;
3140
3141 hci_dev_lock(hdev);
3142
3143 key = hci_find_link_key(hdev, &ev->bdaddr);
3144 if (!key) {
6ed93dc6
AE		 3145 BT_DBG("%s link key not found for %pMR", hdev->name,
3146 &ev->bdaddr);
55ed8ca1
JH		 3147 goto not_found;
3148 }
3149
6ed93dc6
AE		 3150 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
3151 &ev->bdaddr);
55ed8ca1 3152
55ed8ca1 3153 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57 3154 if (conn) {
66138ce8
MH		 3155 if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
3156 key->type == HCI_LK_UNAUTH_COMBINATION_P256) &&
807deac2 3157 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR		 3158 BT_DBG("%s ignoring unauthenticated key", hdev->name);
3159 goto not_found;
3160 }
55ed8ca1 3161
60b83f57 3162 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
f3fb0b58
JH		 3163 (conn->pending_sec_level == BT_SECURITY_HIGH ||
3164 conn->pending_sec_level == BT_SECURITY_FIPS)) {
8fc9ced3
GP		 3165 BT_DBG("%s ignoring key unauthenticated for high security",
3166 hdev->name);
60b83f57
WR		 3167 goto not_found;
3168 }
3169
3170 conn->key_type = key->type;
3171 conn->pin_length = key->pin_len;
55ed8ca1
JH		 3172 }
3173
3174 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 3175 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH		 3176
3177 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
3178
3179 hci_dev_unlock(hdev);
3180
3181 return;
3182
3183not_found:
3184 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
3185 hci_dev_unlock(hdev);
a9de9248
MH		 3186}
3187
6039aa73 3188static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 3189{
052b30b0
MH		 3190 struct hci_ev_link_key_notify *ev = (void *) skb->data;
3191 struct hci_conn *conn;
7652ff6a
JH		 3192 struct link_key *key;
3193 bool persistent;
55ed8ca1 3194 u8 pin_len = 0;
052b30b0 3195
a9de9248 3196 BT_DBG("%s", hdev->name);
052b30b0
MH		 3197
3198 hci_dev_lock(hdev);
3199
3200 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3201 if (conn) {
3202 hci_conn_hold(conn);
3203 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 3204 pin_len = conn->pin_length;
13d39315
WR		 3205
3206 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
3207 conn->key_type = ev->key_type;
3208
76a68ba0 3209 hci_conn_drop(conn);
052b30b0
MH		 3210 }
3211
7652ff6a
JH		 3212 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3213 goto unlock;
3214
3215 key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
3216 ev->key_type, pin_len, &persistent);
3217 if (!key)
3218 goto unlock;
3219
3220 mgmt_new_link_key(hdev, key, persistent);
55ed8ca1 3221
6d5650c4
JH		 3222 /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
3223 * is set. If it's not set simply remove the key from the kernel
3224 * list (we've still notified user space about it but with
3225 * store_hint being 0).
3226 */
3227 if (key->type == HCI_LK_DEBUG_COMBINATION &&
3228 !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
3229 list_del(&key->list);
3230 kfree(key);
3231 } else if (conn) {
af6a9c32
JH		 3232 if (persistent)
3233 clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
3234 else
3235 set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
6d5650c4 3236 }
7652ff6a
JH		 3237
3238unlock:
052b30b0 3239 hci_dev_unlock(hdev);
a9de9248
MH		 3240}
3241
6039aa73 3242static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 3243{
a9de9248 3244 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 3245 struct hci_conn *conn;
1da177e4 3246
9f1db00c 3247 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT		 3248
3249 hci_dev_lock(hdev);
3250
04837f64 3251 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT		 3252 if (conn && !ev->status) {
3253 struct inquiry_entry *ie;
3254
cc11b9c1
AE		 3255 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3256 if (ie) {
1da177e4
LT		 3257 ie->data.clock_offset = ev->clock_offset;
3258 ie->timestamp = jiffies;
3259 }
3260 }
3261
3262 hci_dev_unlock(hdev);
3263}
3264
6039aa73 3265static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH		 3266{
3267 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
3268 struct hci_conn *conn;
3269
9f1db00c 3270 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH		 3271
3272 hci_dev_lock(hdev);
3273
3274 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3275 if (conn && !ev->status)
3276 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
3277
3278 hci_dev_unlock(hdev);
3279}
3280
6039aa73 3281static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 3282{
a9de9248 3283 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH		 3284 struct inquiry_entry *ie;
3285
3286 BT_DBG("%s", hdev->name);
3287
3288 hci_dev_lock(hdev);
3289
cc11b9c1
AE		 3290 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3291 if (ie) {
85a1e930
MH		 3292 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
3293 ie->timestamp = jiffies;
3294 }
3295
3296 hci_dev_unlock(hdev);
3297}
3298
6039aa73
GP		 3299static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
3300 struct sk_buff *skb)
a9de9248
MH		 3301{
3302 struct inquiry_data data;
3303 int num_rsp = *((__u8 *) skb->data);
3304
3305 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
3306
3307 if (!num_rsp)
3308 return;
3309
1519cc17
AG		 3310 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3311 return;
3312
a9de9248
MH		 3313 hci_dev_lock(hdev);
3314
3315 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ		 3316 struct inquiry_info_with_rssi_and_pscan_mode *info;
3317 info = (void *) (skb->data + 1);
a9de9248 3318
e17acd40 3319 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3320 u32 flags;
3321
a9de9248
MH		 3322 bacpy(&data.bdaddr, &info->bdaddr);
3323 data.pscan_rep_mode = info->pscan_rep_mode;
3324 data.pscan_period_mode = info->pscan_period_mode;
3325 data.pscan_mode = info->pscan_mode;
3326 memcpy(data.dev_class, info->dev_class, 3);
3327 data.clock_offset = info->clock_offset;
3328 data.rssi = info->rssi;
41a96212 3329 data.ssp_mode = 0x00;
3175405b 3330
af58925c
MH		 3331 flags = hci_inquiry_cache_update(hdev, &data, false);
3332
48264f06 3333 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3334 info->dev_class, info->rssi,
af58925c 3335 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3336 }
3337 } else {
3338 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
3339
e17acd40 3340 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3341 u32 flags;
3342
a9de9248
MH		 3343 bacpy(&data.bdaddr, &info->bdaddr);
3344 data.pscan_rep_mode = info->pscan_rep_mode;
3345 data.pscan_period_mode = info->pscan_period_mode;
3346 data.pscan_mode = 0x00;
3347 memcpy(data.dev_class, info->dev_class, 3);
3348 data.clock_offset = info->clock_offset;
3349 data.rssi = info->rssi;
41a96212 3350 data.ssp_mode = 0x00;
af58925c
MH		 3351
3352 flags = hci_inquiry_cache_update(hdev, &data, false);
3353
48264f06 3354 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3355 info->dev_class, info->rssi,
af58925c 3356 flags, NULL, 0, NULL, 0);
a9de9248
MH		 3357 }
3358 }
3359
3360 hci_dev_unlock(hdev);
3361}
3362
6039aa73
GP		 3363static void hci_remote_ext_features_evt(struct hci_dev *hdev,
3364 struct sk_buff *skb)
a9de9248 3365{
41a96212
MH		 3366 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
3367 struct hci_conn *conn;
3368
a9de9248 3369 BT_DBG("%s", hdev->name);
41a96212 3370
41a96212
MH		 3371 hci_dev_lock(hdev);
3372
3373 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH		 3374 if (!conn)
3375 goto unlock;
41a96212 3376
cad718ed
JH		 3377 if (ev->page < HCI_MAX_PAGES)
3378 memcpy(conn->features[ev->page], ev->features, 8);
3379
ccd556fe
JH		 3380 if (!ev->status && ev->page == 0x01) {
3381 struct inquiry_entry *ie;
41a96212 3382
cc11b9c1
AE		 3383 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
3384 if (ie)
02b7cc62 3385 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 3386
bbb0eada 3387 if (ev->features[0] & LMP_HOST_SSP) {
58a681ef 3388 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
bbb0eada
JK		 3389 } else {
3390 /* It is mandatory by the Bluetooth specification that
3391 * Extended Inquiry Results are only used when Secure
3392 * Simple Pairing is enabled, but some devices violate
3393 * this.
3394 *
3395 * To make these devices work, the internal SSP
3396 * enabled flag needs to be cleared if the remote host
3397 * features do not indicate SSP support */
3398 clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
3399 }
eb9a8f3f
MH		 3400
3401 if (ev->features[0] & LMP_HOST_SC)
3402 set_bit(HCI_CONN_SC_ENABLED, &conn->flags);
ccd556fe
JH		 3403 }
3404
3405 if (conn->state != BT_CONFIG)
3406 goto unlock;
3407
671267bf 3408 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH		 3409 struct hci_cp_remote_name_req cp;
3410 memset(&cp, 0, sizeof(cp));
3411 bacpy(&cp.bdaddr, &conn->dst);
3412 cp.pscan_rep_mode = 0x02;
3413 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH		 3414 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3415 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP		 3416 conn->dst_type, 0, NULL, 0,
3417 conn->dev_class);
392599b9 3418
127178d2 3419 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH		 3420 conn->state = BT_CONNECTED;
3421 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3422 hci_conn_drop(conn);
41a96212
MH		 3423 }
3424
ccd556fe 3425unlock:
41a96212 3426 hci_dev_unlock(hdev);
a9de9248
MH		 3427}
3428
6039aa73
GP		 3429static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
3430 struct sk_buff *skb)
a9de9248 3431{
b6a0dc82
MH		 3432 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
3433 struct hci_conn *conn;
3434
9f1db00c 3435 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH		 3436
3437 hci_dev_lock(hdev);
3438
3439 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH		 3440 if (!conn) {
3441 if (ev->link_type == ESCO_LINK)
3442 goto unlock;
3443
3444 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
3445 if (!conn)
3446 goto unlock;
3447
3448 conn->type = SCO_LINK;
3449 }
b6a0dc82 3450
732547f9
MH		 3451 switch (ev->status) {
3452 case 0x00:
b6a0dc82
MH		 3453 conn->handle = __le16_to_cpu(ev->handle);
3454 conn->state = BT_CONNECTED;
7d0db0a3
MH		 3455
3456 hci_conn_add_sysfs(conn);
732547f9
MH		 3457 break;
3458
81218d20 3459 case 0x10: /* Connection Accept Timeout */
1a4c958c 3460 case 0x0d: /* Connection Rejected due to Limited Resources */
705e5711 3461 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 3462 case 0x1c: /* SCO interval rejected */
1038a00b 3463 case 0x1a: /* Unsupported Remote Feature */
732547f9 3464 case 0x1f: /* Unspecified error */
27539bc4 3465 case 0x20: /* Unsupported LMP Parameter value */
2dea632f 3466 if (conn->out) {
732547f9
MH		 3467 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
3468 (hdev->esco_type & EDR_ESCO_MASK);
2dea632f
FD		 3469 if (hci_setup_sync(conn, conn->link->handle))
3470 goto unlock;
732547f9
MH		 3471 }
3472 /* fall through */
3473
3474 default:
b6a0dc82 3475 conn->state = BT_CLOSED;
732547f9
MH		 3476 break;
3477 }
b6a0dc82
MH		 3478
3479 hci_proto_connect_cfm(conn, ev->status);
3480 if (ev->status)
3481 hci_conn_del(conn);
3482
3483unlock:
3484 hci_dev_unlock(hdev);
a9de9248
MH		 3485}
3486
efdcf8e3
MH		 3487static inline size_t eir_get_length(u8 *eir, size_t eir_len)
3488{
3489 size_t parsed = 0;
3490
3491 while (parsed < eir_len) {
3492 u8 field_len = eir[0];
3493
3494 if (field_len == 0)
3495 return parsed;
3496
3497 parsed += field_len + 1;
3498 eir += field_len + 1;
3499 }
3500
3501 return eir_len;
3502}
3503
6039aa73
GP		 3504static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3505 struct sk_buff *skb)
1da177e4 3506{
a9de9248
MH		 3507 struct inquiry_data data;
3508 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3509 int num_rsp = *((__u8 *) skb->data);
9d939d94 3510 size_t eir_len;
1da177e4 3511
a9de9248 3512 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3513
a9de9248
MH		 3514 if (!num_rsp)
3515 return;
1da177e4 3516
1519cc17
AG		 3517 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3518 return;
3519
a9de9248
MH		 3520 hci_dev_lock(hdev);
3521
e17acd40 3522 for (; num_rsp; num_rsp--, info++) {
af58925c
MH		 3523 u32 flags;
3524 bool name_known;
561aafbc 3525
a9de9248 3526 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ		 3527 data.pscan_rep_mode = info->pscan_rep_mode;
3528 data.pscan_period_mode = info->pscan_period_mode;
3529 data.pscan_mode = 0x00;
a9de9248 3530 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ		 3531 data.clock_offset = info->clock_offset;
3532 data.rssi = info->rssi;
41a96212 3533 data.ssp_mode = 0x01;
561aafbc 3534
a8b2d5c2 3535 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3536 name_known = eir_has_data_type(info->data,
04124681
GP		 3537 sizeof(info->data),
3538 EIR_NAME_COMPLETE);
561aafbc
JH		 3539 else
3540 name_known = true;
3541
af58925c
MH		 3542 flags = hci_inquiry_cache_update(hdev, &data, name_known);
3543
9d939d94 3544 eir_len = eir_get_length(info->data, sizeof(info->data));
af58925c 3545
48264f06 3546 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
af58925c
MH		 3547 info->dev_class, info->rssi,
3548 flags, info->data, eir_len, NULL, 0);
a9de9248
MH		 3549 }
3550
3551 hci_dev_unlock(hdev);
3552}
1da177e4 3553
1c2e0041
JH		 3554static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3555 struct sk_buff *skb)
3556{
3557 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3558 struct hci_conn *conn;
3559
9f1db00c 3560 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH		 3561 __le16_to_cpu(ev->handle));
3562
3563 hci_dev_lock(hdev);
3564
3565 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3566 if (!conn)
3567 goto unlock;
3568
9eb1fbfa
JH		 3569 /* For BR/EDR the necessary steps are taken through the
3570 * auth_complete event.
3571 */
3572 if (conn->type != LE_LINK)
3573 goto unlock;
3574
1c2e0041
JH		 3575 if (!ev->status)
3576 conn->sec_level = conn->pending_sec_level;
3577
3578 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3579
3580 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3581 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
76a68ba0 3582 hci_conn_drop(conn);
1c2e0041
JH		 3583 goto unlock;
3584 }
3585
3586 if (conn->state == BT_CONFIG) {
3587 if (!ev->status)
3588 conn->state = BT_CONNECTED;
3589
3590 hci_proto_connect_cfm(conn, ev->status);
76a68ba0 3591 hci_conn_drop(conn);
1c2e0041
JH		 3592 } else {
3593 hci_auth_cfm(conn, ev->status);
3594
3595 hci_conn_hold(conn);
3596 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3597 hci_conn_drop(conn);
1c2e0041
JH		 3598 }
3599
3600unlock:
3601 hci_dev_unlock(hdev);
3602}
3603
6039aa73 3604static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d 3605{
17fa4b9d 3606 /* If remote requests no-bonding follow that lead */
acabae96
MA		 3607 if (conn->remote_auth == HCI_AT_NO_BONDING ||
3608 conn->remote_auth == HCI_AT_NO_BONDING_MITM)
58797bf7 3609 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d 3610
b7f94c88
MA		 3611 /* If both remote and local have enough IO capabilities, require
3612 * MITM protection
3613 */
3614 if (conn->remote_cap != HCI_IO_NO_INPUT_OUTPUT &&
3615 conn->io_capability != HCI_IO_NO_INPUT_OUTPUT)
3616 return conn->remote_auth | 0x01;
3617
7e74170a
TM		 3618 /* No MITM protection possible so ignore remote requirement */
3619 return (conn->remote_auth & ~0x01) | (conn->auth_type & 0x01);
17fa4b9d
JH		 3620}
3621
6039aa73 3622static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH		 3623{
3624 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3625 struct hci_conn *conn;
3626
3627 BT_DBG("%s", hdev->name);
3628
3629 hci_dev_lock(hdev);
3630
3631 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH		 3632 if (!conn)
3633 goto unlock;
3634
3635 hci_conn_hold(conn);
3636
a8b2d5c2 3637 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH		 3638 goto unlock;
3639
a8b2d5c2 3640 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3641 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH		 3642 struct hci_cp_io_capability_reply cp;
3643
3644 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG		 3645 /* Change the IO capability from KeyboardDisplay
3646 * to DisplayYesNo as it is not supported by BT spec. */
3647 cp.capability = (conn->io_capability == 0x04) ?
a767631a 3648 HCI_IO_DISPLAY_YESNO : conn->io_capability;
b7f94c88
MA		 3649
3650 /* If we are initiators, there is no remote information yet */
3651 if (conn->remote_auth == 0xff) {
3652 cp.authentication = conn->auth_type;
6fd6b915 3653
b16c6604 3654 /* Request MITM protection if our IO caps allow it
4ad51a75
JH		 3655 * except for the no-bonding case.
3656 * conn->auth_type is not updated here since
3657 * that might cause the user confirmation to be
3658 * rejected in case the remote doesn't have the
3659 * IO capabilities for MITM.
b16c6604 3660 */
6fd6b915 3661 if (conn->io_capability != HCI_IO_NO_INPUT_OUTPUT &&
b16c6604 3662 cp.authentication != HCI_AT_NO_BONDING)
6fd6b915 3663 cp.authentication |= 0x01;
b7f94c88
MA		 3664 } else {
3665 conn->auth_type = hci_get_auth_req(conn);
3666 cp.authentication = conn->auth_type;
3667 }
17fa4b9d 3668
8fc9ced3
GP		 3669 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3670 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ		 3671 cp.oob_data = 0x01;
3672 else
3673 cp.oob_data = 0x00;
3674
17fa4b9d 3675 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3676 sizeof(cp), &cp);
03b555e1
JH		 3677 } else {
3678 struct hci_cp_io_capability_neg_reply cp;
3679
3680 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3681 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3682
03b555e1 3683 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3684 sizeof(cp), &cp);
03b555e1
JH		 3685 }
3686
3687unlock:
3688 hci_dev_unlock(hdev);
3689}
3690
6039aa73 3691static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH		 3692{
3693 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3694 struct hci_conn *conn;
3695
3696 BT_DBG("%s", hdev->name);
3697
3698 hci_dev_lock(hdev);
3699
3700 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3701 if (!conn)
3702 goto unlock;
3703
03b555e1 3704 conn->remote_cap = ev->capability;
03b555e1 3705 conn->remote_auth = ev->authentication;
58a681ef
JH		 3706 if (ev->oob_data)
3707 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH		 3708
3709unlock:
0493684e
MH		 3710 hci_dev_unlock(hdev);
3711}
3712
6039aa73
GP		 3713static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3714 struct sk_buff *skb)
a5c29683
JH		 3715{
3716 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3717 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3718 struct hci_conn *conn;
a5c29683
JH		 3719
3720 BT_DBG("%s", hdev->name);
3721
3722 hci_dev_lock(hdev);
3723
a8b2d5c2 3724 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3725 goto unlock;
a5c29683 3726
7a828908
JH		 3727 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3728 if (!conn)
3729 goto unlock;
3730
3731 loc_mitm = (conn->auth_type & 0x01);
3732 rem_mitm = (conn->remote_auth & 0x01);
3733
3734 /* If we require MITM but the remote device can't provide that
6fd6b915
MA		 3735 * (it has NoInputNoOutput) then reject the confirmation request
3736 */
3737 if (loc_mitm && conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) {
7a828908
JH		 3738 BT_DBG("Rejecting request: remote device can't provide MITM");
3739 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3740 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3741 goto unlock;
3742 }
3743
3744 /* If no side requires MITM protection; auto-accept */
a767631a
MA		 3745 if ((!loc_mitm || conn->remote_cap == HCI_IO_NO_INPUT_OUTPUT) &&
3746 (!rem_mitm || conn->io_capability == HCI_IO_NO_INPUT_OUTPUT)) {
55bc1a37
JH		 3747
3748 /* If we're not the initiators request authorization to
3749 * proceed from user space (mgmt_user_confirm with
ba15a58b
JH		 3750 * confirm_hint set to 1). The exception is if neither
3751 * side had MITM in which case we do auto-accept.
3752 */
3753 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
3754 (loc_mitm || rem_mitm)) {
55bc1a37
JH		 3755 BT_DBG("Confirming auto-accept as acceptor");
3756 confirm_hint = 1;
3757 goto confirm;
3758 }
3759
9f61656a 3760 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3761 hdev->auto_accept_delay);
9f61656a
JH		 3762
3763 if (hdev->auto_accept_delay > 0) {
3764 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
7bc18d9d
JH		 3765 queue_delayed_work(conn->hdev->workqueue,
3766 &conn->auto_accept_work, delay);
9f61656a
JH		 3767 goto unlock;
3768 }
3769
7a828908 3770 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3771 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH		 3772 goto unlock;
3773 }
3774
55bc1a37 3775confirm:
39adbffe
JH		 3776 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0,
3777 le32_to_cpu(ev->passkey), confirm_hint);
7a828908
JH		 3778
3779unlock:
a5c29683
JH		 3780 hci_dev_unlock(hdev);
3781}
3782
6039aa73
GP		 3783static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3784 struct sk_buff *skb)
1143d458
BG		 3785{
3786 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3787
3788 BT_DBG("%s", hdev->name);
3789
a8b2d5c2 3790 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3791 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG		 3792}
3793
92a25256
JH		 3794static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3795 struct sk_buff *skb)
3796{
3797 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3798 struct hci_conn *conn;
3799
3800 BT_DBG("%s", hdev->name);
3801
3802 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3803 if (!conn)
3804 return;
3805
3806 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3807 conn->passkey_entered = 0;
3808
3809 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3810 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3811 conn->dst_type, conn->passkey_notify,
3812 conn->passkey_entered);
3813}
3814
3815static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3816{
3817 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3818 struct hci_conn *conn;
3819
3820 BT_DBG("%s", hdev->name);
3821
3822 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3823 if (!conn)
3824 return;
3825
3826 switch (ev->type) {
3827 case HCI_KEYPRESS_STARTED:
3828 conn->passkey_entered = 0;
3829 return;
3830
3831 case HCI_KEYPRESS_ENTERED:
3832 conn->passkey_entered++;
3833 break;
3834
3835 case HCI_KEYPRESS_ERASED:
3836 conn->passkey_entered--;
3837 break;
3838
3839 case HCI_KEYPRESS_CLEARED:
3840 conn->passkey_entered = 0;
3841 break;
3842
3843 case HCI_KEYPRESS_COMPLETED:
3844 return;
3845 }
3846
3847 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3848 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3849 conn->dst_type, conn->passkey_notify,
3850 conn->passkey_entered);
3851}
3852
6039aa73
GP		 3853static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3854 struct sk_buff *skb)
0493684e
MH		 3855{
3856 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3857 struct hci_conn *conn;
3858
3859 BT_DBG("%s", hdev->name);
3860
3861 hci_dev_lock(hdev);
3862
3863 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH		 3864 if (!conn)
3865 goto unlock;
3866
3867 /* To avoid duplicate auth_failed events to user space we check
3868 * the HCI_CONN_AUTH_PEND flag which will be set if we
3869 * initiated the authentication. A traditional auth_complete
3870 * event gets always produced as initiator and is also mapped to
3871 * the mgmt_auth_failed event */
fa1bd918 3872 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3873 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3874 ev->status);
0493684e 3875
76a68ba0 3876 hci_conn_drop(conn);
2a611692
JH		 3877
3878unlock:
0493684e
MH		 3879 hci_dev_unlock(hdev);
3880}
3881
6039aa73
GP		 3882static void hci_remote_host_features_evt(struct hci_dev *hdev,
3883 struct sk_buff *skb)
41a96212
MH		 3884{
3885 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3886 struct inquiry_entry *ie;
cad718ed 3887 struct hci_conn *conn;
41a96212
MH		 3888
3889 BT_DBG("%s", hdev->name);
3890
3891 hci_dev_lock(hdev);
3892
cad718ed
JH		 3893 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3894 if (conn)
3895 memcpy(conn->features[1], ev->features, 8);
3896
cc11b9c1
AE		 3897 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3898 if (ie)
02b7cc62 3899 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH		 3900
3901 hci_dev_unlock(hdev);
3902}
3903
6039aa73
GP		 3904static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3905 struct sk_buff *skb)
2763eda6
SJ		 3906{
3907 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3908 struct oob_data *data;
3909
3910 BT_DBG("%s", hdev->name);
3911
3912 hci_dev_lock(hdev);
3913
a8b2d5c2 3914 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ		 3915 goto unlock;
3916
2763eda6
SJ		 3917 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3918 if (data) {
519ca9d0
MH		 3919 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
3920 struct hci_cp_remote_oob_ext_data_reply cp;
2763eda6 3921
519ca9d0
MH		 3922 bacpy(&cp.bdaddr, &ev->bdaddr);
3923 memcpy(cp.hash192, data->hash192, sizeof(cp.hash192));
3924 memcpy(cp.randomizer192, data->randomizer192,
3925 sizeof(cp.randomizer192));
3926 memcpy(cp.hash256, data->hash256, sizeof(cp.hash256));
3927 memcpy(cp.randomizer256, data->randomizer256,
3928 sizeof(cp.randomizer256));
3929
3930 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_EXT_DATA_REPLY,
3931 sizeof(cp), &cp);
3932 } else {
3933 struct hci_cp_remote_oob_data_reply cp;
2763eda6 3934
519ca9d0
MH		 3935 bacpy(&cp.bdaddr, &ev->bdaddr);
3936 memcpy(cp.hash, data->hash192, sizeof(cp.hash));
3937 memcpy(cp.randomizer, data->randomizer192,
3938 sizeof(cp.randomizer));
3939
3940 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY,
3941 sizeof(cp), &cp);
3942 }
2763eda6
SJ		 3943 } else {
3944 struct hci_cp_remote_oob_data_neg_reply cp;
3945
3946 bacpy(&cp.bdaddr, &ev->bdaddr);
519ca9d0
MH		 3947 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY,
3948 sizeof(cp), &cp);
2763eda6
SJ		 3949 }
3950
e1ba1f15 3951unlock:
2763eda6
SJ		 3952 hci_dev_unlock(hdev);
3953}
3954
d5e91192
AE		 3955static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3956 struct sk_buff *skb)
3957{
3958 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3959 struct hci_conn *hcon, *bredr_hcon;
3960
3961 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3962 ev->status);
3963
3964 hci_dev_lock(hdev);
3965
3966 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3967 if (!hcon) {
3968 hci_dev_unlock(hdev);
3969 return;
3970 }
3971
3972 if (ev->status) {
3973 hci_conn_del(hcon);
3974 hci_dev_unlock(hdev);
3975 return;
3976 }
3977
3978 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3979
3980 hcon->state = BT_CONNECTED;
3981 bacpy(&hcon->dst, &bredr_hcon->dst);
3982
3983 hci_conn_hold(hcon);
3984 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
76a68ba0 3985 hci_conn_drop(hcon);
d5e91192 3986
d5e91192
AE		 3987 hci_conn_add_sysfs(hcon);
3988
cf70ff22 3989 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 3990
cf70ff22 3991 hci_dev_unlock(hdev);
d5e91192
AE		 3992}
3993
27695fb4
AE		 3994static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
3995{
3996 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
3997 struct hci_conn *hcon;
3998 struct hci_chan *hchan;
3999 struct amp_mgr *mgr;
4000
4001 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
4002 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
4003 ev->status);
4004
4005 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4006 if (!hcon)
4007 return;
4008
4009 /* Create AMP hchan */
4010 hchan = hci_chan_create(hcon);
4011 if (!hchan)
4012 return;
4013
4014 hchan->handle = le16_to_cpu(ev->handle);
4015
4016 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
4017
4018 mgr = hcon->amp_mgr;
4019 if (mgr && mgr->bredr_chan) {
4020 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
4021
4022 l2cap_chan_lock(bredr_chan);
4023
4024 bredr_chan->conn->mtu = hdev->block_mtu;
4025 l2cap_logical_cfm(bredr_chan, hchan, 0);
4026 hci_conn_hold(hcon);
4027
4028 l2cap_chan_unlock(bredr_chan);
4029 }
4030}
4031
606e2a10
AE		 4032static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
4033 struct sk_buff *skb)
4034{
4035 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
4036 struct hci_chan *hchan;
4037
4038 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
4039 le16_to_cpu(ev->handle), ev->status);
4040
4041 if (ev->status)
4042 return;
4043
4044 hci_dev_lock(hdev);
4045
4046 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
4047 if (!hchan)
4048 goto unlock;
4049
4050 amp_destroy_logical_link(hchan, ev->reason);
4051
4052unlock:
4053 hci_dev_unlock(hdev);
4054}
4055
9eef6b3a
AE		 4056static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
4057 struct sk_buff *skb)
4058{
4059 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
4060 struct hci_conn *hcon;
4061
4062 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4063
4064 if (ev->status)
4065 return;
4066
4067 hci_dev_lock(hdev);
4068
4069 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4070 if (hcon) {
4071 hcon->state = BT_CLOSED;
4072 hci_conn_del(hcon);
4073 }
4074
4075 hci_dev_unlock(hdev);
4076}
4077
6039aa73 4078static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4079{
4080 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
912b42ef 4081 struct hci_conn_params *params;
fcd89c09 4082 struct hci_conn *conn;
68d6f6de 4083 struct smp_irk *irk;
837d502e 4084 u8 addr_type;
fcd89c09 4085
9f1db00c 4086 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT		 4087
4088 hci_dev_lock(hdev);
4089
b47a09b3 4090 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b
VT		 4091 if (!conn) {
4092 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
4093 if (!conn) {
4094 BT_ERR("No memory for new connection");
230fd16a 4095 goto unlock;
b62f328b 4096 }
29b7988a
AG		 4097
4098 conn->dst_type = ev->bdaddr_type;
b9b343d2
AG		 4099
4100 if (ev->role == LE_CONN_ROLE_MASTER) {
4101 conn->out = true;
4dae2798 4102 set_bit(HCI_CONN_MASTER, &conn->flags);
b9b343d2 4103 }
cb1d68f7
JH		 4104
4105 /* If we didn't have a hci_conn object previously
4106 * but we're in master role this must be something
4107 * initiated using a white list. Since white list based
4108 * connections are not "first class citizens" we don't
4109 * have full tracking of them. Therefore, we go ahead
4110 * with a "best effort" approach of determining the
4111 * initiator address based on the HCI_PRIVACY flag.
4112 */
4113 if (conn->out) {
4114 conn->resp_addr_type = ev->bdaddr_type;
4115 bacpy(&conn->resp_addr, &ev->bdaddr);
4116 if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
4117 conn->init_addr_type = ADDR_LE_DEV_RANDOM;
4118 bacpy(&conn->init_addr, &hdev->rpa);
4119 } else {
4120 hci_copy_identity_address(hdev,
4121 &conn->init_addr,
4122 &conn->init_addr_type);
4123 }
cb1d68f7 4124 }
9489eca4
JH		 4125 } else {
4126 cancel_delayed_work(&conn->le_conn_timeout);
b62f328b 4127 }
fcd89c09 4128
80c24ab8
JH		 4129 if (!conn->out) {
4130 /* Set the responder (our side) address type based on
4131 * the advertising address type.
4132 */
4133 conn->resp_addr_type = hdev->adv_addr_type;
4134 if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM)
4135 bacpy(&conn->resp_addr, &hdev->random_addr);
4136 else
4137 bacpy(&conn->resp_addr, &hdev->bdaddr);
4138
4139 conn->init_addr_type = ev->bdaddr_type;
4140 bacpy(&conn->init_addr, &ev->bdaddr);
a720d735
MH		 4141
4142 /* For incoming connections, set the default minimum
4143 * and maximum connection interval. They will be used
4144 * to check if the parameters are in range and if not
4145 * trigger the connection update procedure.
4146 */
4147 conn->le_conn_min_interval = hdev->le_conn_min_interval;
4148 conn->le_conn_max_interval = hdev->le_conn_max_interval;
80c24ab8 4149 }
7be2edbb 4150
edb4b466
MH		 4151 /* Lookup the identity address from the stored connection
4152 * address and address type.
4153 *
4154 * When establishing connections to an identity address, the
4155 * connection procedure will store the resolvable random
4156 * address first. Now if it can be converted back into the
4157 * identity address, start using the identity address from
4158 * now on.
4159 */
4160 irk = hci_get_irk(hdev, &conn->dst, conn->dst_type);
68d6f6de
JH		 4161 if (irk) {
4162 bacpy(&conn->dst, &irk->bdaddr);
4163 conn->dst_type = irk->addr_type;
4164 }
4165
837d502e
JH		 4166 if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
4167 addr_type = BDADDR_LE_PUBLIC;
4168 else
4169 addr_type = BDADDR_LE_RANDOM;
4170
4171 /* Drop the connection if he device is blocked */
4172 if (hci_blacklist_lookup(hdev, &conn->dst, addr_type)) {
4173 hci_conn_drop(conn);
4174 goto unlock;
4175 }
4176
cd17decb 4177 if (ev->status) {
06c053fb 4178 hci_le_conn_failed(conn, ev->status);
cd17decb
AG		 4179 goto unlock;
4180 }
4181
b644ba33 4182 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
01fdb0fc 4183 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681 4184 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 4185
7b5c0d52 4186 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT		 4187 conn->handle = __le16_to_cpu(ev->handle);
4188 conn->state = BT_CONNECTED;
4189
e04fde60
MH		 4190 conn->le_conn_interval = le16_to_cpu(ev->interval);
4191 conn->le_conn_latency = le16_to_cpu(ev->latency);
4192 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4193
fcd89c09
VT		 4194 hci_conn_add_sysfs(conn);
4195
4196 hci_proto_connect_cfm(conn, ev->status);
4197
912b42ef 4198 params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
223683a5 4199 if (params)
95305baa 4200 list_del_init(&params->action);
a4790dbd 4201
fcd89c09 4202unlock:
223683a5 4203 hci_update_background_scan(hdev);
fcd89c09
VT		 4204 hci_dev_unlock(hdev);
4205}
4206
1855d92d
MH		 4207static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
4208 struct sk_buff *skb)
4209{
4210 struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
4211 struct hci_conn *conn;
4212
4213 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
4214
4215 if (ev->status)
4216 return;
4217
4218 hci_dev_lock(hdev);
4219
4220 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
4221 if (conn) {
4222 conn->le_conn_interval = le16_to_cpu(ev->interval);
4223 conn->le_conn_latency = le16_to_cpu(ev->latency);
4224 conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
4225 }
4226
4227 hci_dev_unlock(hdev);
4228}
4229
a4790dbd 4230/* This function requires the caller holds hdev->lock */
bb5ce4d0 4231static bool check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
a4790dbd
AG		 4232 u8 addr_type)
4233{
4234 struct hci_conn *conn;
4235
501f8827 4236 if (!hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, addr_type))
bb5ce4d0 4237 return false;
a4790dbd
AG		 4238
4239 conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
09ae260b 4240 HCI_AT_NO_BONDING, HCI_LE_AUTOCONN_TIMEOUT);
a4790dbd 4241 if (!IS_ERR(conn))
bb5ce4d0 4242 return true;
a4790dbd
AG		 4243
4244 switch (PTR_ERR(conn)) {
4245 case -EBUSY:
4246 /* If hci_connect() returns -EBUSY it means there is already
4247 * an LE connection attempt going on. Since controllers don't
4248 * support more than one connection attempt at the time, we
4249 * don't consider this an error case.
4250 */
4251 break;
4252 default:
4253 BT_DBG("Failed to connect: err %ld", PTR_ERR(conn));
4254 }
bb5ce4d0
JH		 4255
4256 return true;
a4790dbd
AG		 4257}
4258
4af605d8
JH		 4259static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
4260 u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
4261{
b9a6328f 4262 struct discovery_state *d = &hdev->discovery;
474ee066 4263 bool match;
c70a7e4c 4264 u32 flags;
b9a6328f 4265
0d2bf134
JH		 4266 /* Passive scanning shouldn't trigger any device found events,
4267 * except for devices marked as CONN_REPORT for which we do send
4268 * device found events.
4269 */
ca5c4be7 4270 if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
0d2bf134 4271 struct hci_conn_params *param;
079446c8 4272 struct smp_irk *irk;
0d2bf134 4273
435a13d8
JH		 4274 /* Check if we need to convert to identity address */
4275 irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
4276 if (irk) {
4277 bdaddr = &irk->bdaddr;
4278 bdaddr_type = irk->addr_type;
4279 }
4280
99a6768e
JH		 4281 /* Ignore if the device is blocked */
4282 if (hci_blacklist_lookup(hdev, bdaddr, bdaddr_type))
4283 return;
4284
bb5ce4d0
JH		 4285 if (type == LE_ADV_IND || type == LE_ADV_DIRECT_IND) {
4286 if (check_pending_le_conn(hdev, bdaddr, bdaddr_type))
4287 return;
4288 }
0d2bf134 4289
0d2bf134
JH		 4290 if (type == LE_ADV_DIRECT_IND)
4291 return;
4292
a7545f2a
JH		 4293 param = hci_pend_le_action_lookup(&hdev->pend_le_reports,
4294 bdaddr, bdaddr_type);
4295 if (!param)
0d2bf134
JH		 4296 return;
4297
4298 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
4299 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4300 else
4301 flags = 0;
4302 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
4303 rssi, flags, data, len, NULL, 0);
97bf2e99 4304 return;
ca5c4be7 4305 }
4af605d8 4306
c70a7e4c
MH		 4307 /* When receiving non-connectable or scannable undirected
4308 * advertising reports, this means that the remote device is
4309 * not connectable and then clearly indicate this in the
4310 * device found event.
4311 *
4312 * When receiving a scan response, then there is no way to
4313 * know if the remote device is connectable or not. However
4314 * since scan responses are merged with a previously seen
4315 * advertising report, the flags field from that report
4316 * will be used.
4317 *
4318 * In the really unlikely case that a controller get confused
4319 * and just sends a scan response event, then it is marked as
4320 * not connectable as well.
4321 */
4322 if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
4323 type == LE_ADV_SCAN_RSP)
4324 flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
4325 else
4326 flags = 0;
4327
b9a6328f
JH		 4328 /* If there's nothing pending either store the data from this
4329 * event or send an immediate device found event if the data
4330 * should not be stored for later.
4331 */
4332 if (!has_pending_adv_report(hdev)) {
4333 /* If the report will trigger a SCAN_REQ store it for
4334 * later merging.
4335 */
4336 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4337 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4338 rssi, flags, data, len);
b9a6328f
JH		 4339 return;
4340 }
4341
4342 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4343 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4344 return;
4345 }
4346
474ee066
JH		 4347 /* Check if the pending report is for the same device as the new one */
4348 match = (!bacmp(bdaddr, &d->last_adv_addr) &&
4349 bdaddr_type == d->last_adv_addr_type);
4350
b9a6328f
JH		 4351 /* If the pending data doesn't match this report or this isn't a
4352 * scan response (e.g. we got a duplicate ADV_IND) then force
4353 * sending of the pending data.
4354 */
474ee066
JH		 4355 if (type != LE_ADV_SCAN_RSP || !match) {
4356 /* Send out whatever is in the cache, but skip duplicates */
4357 if (!match)
4358 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
ff5cd29f 4359 d->last_adv_addr_type, NULL,
c70a7e4c 4360 d->last_adv_rssi, d->last_adv_flags,
ff5cd29f 4361 d->last_adv_data,
474ee066 4362 d->last_adv_data_len, NULL, 0);
b9a6328f
JH		 4363
4364 /* If the new report will trigger a SCAN_REQ store it for
4365 * later merging.
4366 */
4367 if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
4368 store_pending_adv_report(hdev, bdaddr, bdaddr_type,
c70a7e4c 4369 rssi, flags, data, len);
b9a6328f
JH		 4370 return;
4371 }
4372
4373 /* The advertising reports cannot be merged, so clear
4374 * the pending report and send out a device found event.
4375 */
4376 clear_pending_adv_report(hdev);
5c5b93e4 4377 mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
c70a7e4c 4378 rssi, flags, data, len, NULL, 0);
b9a6328f
JH		 4379 return;
4380 }
4381
4382 /* If we get here we've got a pending ADV_IND or ADV_SCAN_IND and
4383 * the new event is a SCAN_RSP. We can therefore proceed with
4384 * sending a merged device found event.
4385 */
4386 mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
c70a7e4c 4387 d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
42bd6a56 4388 d->last_adv_data, d->last_adv_data_len, data, len);
b9a6328f 4389 clear_pending_adv_report(hdev);
4af605d8
JH		 4390}
4391
6039aa73 4392static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 4393{
e95beb41
AG		 4394 u8 num_reports = skb->data[0];
4395 void *ptr = &skb->data[1];
9aa04c91 4396
a4790dbd
AG		 4397 hci_dev_lock(hdev);
4398
e95beb41
AG		 4399 while (num_reports--) {
4400 struct hci_ev_le_advertising_info *ev = ptr;
4af605d8 4401 s8 rssi;
a4790dbd 4402
3c9e9195 4403 rssi = ev->data[ev->length];
4af605d8
JH		 4404 process_adv_report(hdev, ev->evt_type, &ev->bdaddr,
4405 ev->bdaddr_type, rssi, ev->data, ev->length);
3c9e9195 4406
e95beb41 4407 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 4408 }
a4790dbd
AG		 4409
4410 hci_dev_unlock(hdev);
9aa04c91
AG		 4411}
4412
6039aa73 4413static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG		 4414{
4415 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
4416 struct hci_cp_le_ltk_reply cp;
bea710fe 4417 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 4418 struct hci_conn *conn;
c9839a11 4419 struct smp_ltk *ltk;
a7a595f6 4420
9f1db00c 4421 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG		 4422
4423 hci_dev_lock(hdev);
4424
4425 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG		 4426 if (conn == NULL)
4427 goto not_found;
a7a595f6 4428
fe39c7b2 4429 ltk = hci_find_ltk(hdev, ev->ediv, ev->rand, conn->out);
bea710fe
VCG		 4430 if (ltk == NULL)
4431 goto not_found;
4432
4433 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 4434 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG		 4435
4436 if (ltk->authenticated)
f8776218
AG		 4437 conn->pending_sec_level = BT_SECURITY_HIGH;
4438 else
4439 conn->pending_sec_level = BT_SECURITY_MEDIUM;
a7a595f6 4440
89cbb4da 4441 conn->enc_key_size = ltk->enc_size;
a7a595f6
VCG		 4442
4443 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
4444
5981a882
CT		 4445 /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
4446 * temporary key used to encrypt a connection following
4447 * pairing. It is used during the Encrypted Session Setup to
4448 * distribute the keys. Later, security can be re-established
4449 * using a distributed LTK.
4450 */
2ceba539 4451 if (ltk->type == SMP_STK) {
fe59a05f 4452 set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4453 list_del(&ltk->list);
4454 kfree(ltk);
fe59a05f
JH		 4455 } else {
4456 clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
c9839a11
VCG		 4457 }
4458
a7a595f6 4459 hci_dev_unlock(hdev);
bea710fe
VCG		 4460
4461 return;
4462
4463not_found:
4464 neg.handle = ev->handle;
4465 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
4466 hci_dev_unlock(hdev);
a7a595f6
VCG		 4467}
4468
8e75b46a
AG		 4469static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
4470 u8 reason)
4471{
4472 struct hci_cp_le_conn_param_req_neg_reply cp;
4473
4474 cp.handle = cpu_to_le16(handle);
4475 cp.reason = reason;
4476
4477 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
4478 &cp);
4479}
4480
4481static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
4482 struct sk_buff *skb)
4483{
4484 struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
4485 struct hci_cp_le_conn_param_req_reply cp;
4486 struct hci_conn *hcon;
4487 u16 handle, min, max, latency, timeout;
4488
4489 handle = le16_to_cpu(ev->handle);
4490 min = le16_to_cpu(ev->interval_min);
4491 max = le16_to_cpu(ev->interval_max);
4492 latency = le16_to_cpu(ev->latency);
4493 timeout = le16_to_cpu(ev->timeout);
4494
4495 hcon = hci_conn_hash_lookup_handle(hdev, handle);
4496 if (!hcon || hcon->state != BT_CONNECTED)
4497 return send_conn_param_neg_reply(hdev, handle,
4498 HCI_ERROR_UNKNOWN_CONN_ID);
4499
4500 if (hci_check_conn_params(min, max, latency, timeout))
4501 return send_conn_param_neg_reply(hdev, handle,
4502 HCI_ERROR_INVALID_LL_PARAMS);
4503
348d50b8
JH		 4504 if (test_bit(HCI_CONN_MASTER, &hcon->flags)) {
4505 struct hci_conn_params *params;
f4869e2a 4506 u8 store_hint;
348d50b8
JH		 4507
4508 hci_dev_lock(hdev);
4509
4510 params = hci_conn_params_lookup(hdev, &hcon->dst,
4511 hcon->dst_type);
4512 if (params) {
4513 params->conn_min_interval = min;
4514 params->conn_max_interval = max;
4515 params->conn_latency = latency;
4516 params->supervision_timeout = timeout;
f4869e2a
JH		 4517 store_hint = 0x01;
4518 } else{
4519 store_hint = 0x00;
348d50b8
JH		 4520 }
4521
4522 hci_dev_unlock(hdev);
4523
f4869e2a
JH		 4524 mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
4525 store_hint, min, max, latency, timeout);
348d50b8 4526 }
ffb5a827 4527
8e75b46a
AG		 4528 cp.handle = ev->handle;
4529 cp.interval_min = ev->interval_min;
4530 cp.interval_max = ev->interval_max;
4531 cp.latency = ev->latency;
4532 cp.timeout = ev->timeout;
4533 cp.min_ce_len = 0;
4534 cp.max_ce_len = 0;
4535
4536 hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
4537}
4538
6039aa73 4539static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT		 4540{
4541 struct hci_ev_le_meta *le_ev = (void *) skb->data;
4542
4543 skb_pull(skb, sizeof(*le_ev));
4544
4545 switch (le_ev->subevent) {
4546 case HCI_EV_LE_CONN_COMPLETE:
4547 hci_le_conn_complete_evt(hdev, skb);
4548 break;
4549
1855d92d
MH		 4550 case HCI_EV_LE_CONN_UPDATE_COMPLETE:
4551 hci_le_conn_update_complete_evt(hdev, skb);
4552 break;
4553
9aa04c91
AG		 4554 case HCI_EV_LE_ADVERTISING_REPORT:
4555 hci_le_adv_report_evt(hdev, skb);
4556 break;
4557
a7a595f6
VCG		 4558 case HCI_EV_LE_LTK_REQ:
4559 hci_le_ltk_request_evt(hdev, skb);
4560 break;
4561
8e75b46a
AG		 4562 case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
4563 hci_le_remote_conn_param_req_evt(hdev, skb);
4564 break;
4565
fcd89c09
VT		 4566 default:
4567 break;
4568 }
4569}
4570
9495b2ee
AE		 4571static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
4572{
4573 struct hci_ev_channel_selected *ev = (void *) skb->data;
4574 struct hci_conn *hcon;
4575
4576 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
4577
4578 skb_pull(skb, sizeof(*ev));
4579
4580 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
4581 if (!hcon)
4582 return;
4583
4584 amp_read_loc_assoc_final_data(hdev, hcon);
4585}
4586
a9de9248
MH		 4587void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
4588{
4589 struct hci_event_hdr *hdr = (void *) skb->data;
4590 __u8 event = hdr->evt;
4591
b6ddb638
JH		 4592 hci_dev_lock(hdev);
4593
4594 /* Received events are (currently) only needed when a request is
4595 * ongoing so avoid unnecessary memory allocation.
4596 */
4597 if (hdev->req_status == HCI_REQ_PEND) {
4598 kfree_skb(hdev->recv_evt);
4599 hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
4600 }
4601
4602 hci_dev_unlock(hdev);
4603
a9de9248
MH		 4604 skb_pull(skb, HCI_EVENT_HDR_SIZE);
4605
02350a72 4606 if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
c1f23a2b
JB		 4607 struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
4608 u16 opcode = __le16_to_cpu(cmd_hdr->opcode);
02350a72
JH		 4609
4610 hci_req_cmd_complete(hdev, opcode, 0);
4611 }
4612
a9de9248 4613 switch (event) {
1da177e4
LT		 4614 case HCI_EV_INQUIRY_COMPLETE:
4615 hci_inquiry_complete_evt(hdev, skb);
4616 break;
4617
4618 case HCI_EV_INQUIRY_RESULT:
4619 hci_inquiry_result_evt(hdev, skb);
4620 break;
4621
a9de9248
MH		 4622 case HCI_EV_CONN_COMPLETE:
4623 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH		 4624 break;
4625
1da177e4
LT		 4626 case HCI_EV_CONN_REQUEST:
4627 hci_conn_request_evt(hdev, skb);
4628 break;
4629
1da177e4
LT		 4630 case HCI_EV_DISCONN_COMPLETE:
4631 hci_disconn_complete_evt(hdev, skb);
4632 break;
4633
1da177e4
LT		 4634 case HCI_EV_AUTH_COMPLETE:
4635 hci_auth_complete_evt(hdev, skb);
4636 break;
4637
a9de9248
MH		 4638 case HCI_EV_REMOTE_NAME:
4639 hci_remote_name_evt(hdev, skb);
4640 break;
4641
1da177e4
LT		 4642 case HCI_EV_ENCRYPT_CHANGE:
4643 hci_encrypt_change_evt(hdev, skb);
4644 break;
4645
a9de9248
MH		 4646 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
4647 hci_change_link_key_complete_evt(hdev, skb);
4648 break;
4649
4650 case HCI_EV_REMOTE_FEATURES:
4651 hci_remote_features_evt(hdev, skb);
4652 break;
4653
a9de9248
MH		 4654 case HCI_EV_CMD_COMPLETE:
4655 hci_cmd_complete_evt(hdev, skb);
4656 break;
4657
4658 case HCI_EV_CMD_STATUS:
4659 hci_cmd_status_evt(hdev, skb);
4660 break;
4661
4662 case HCI_EV_ROLE_CHANGE:
4663 hci_role_change_evt(hdev, skb);
4664 break;
4665
4666 case HCI_EV_NUM_COMP_PKTS:
4667 hci_num_comp_pkts_evt(hdev, skb);
4668 break;
4669
4670 case HCI_EV_MODE_CHANGE:
4671 hci_mode_change_evt(hdev, skb);
1da177e4
LT		 4672 break;
4673
4674 case HCI_EV_PIN_CODE_REQ:
4675 hci_pin_code_request_evt(hdev, skb);
4676 break;
4677
4678 case HCI_EV_LINK_KEY_REQ:
4679 hci_link_key_request_evt(hdev, skb);
4680 break;
4681
4682 case HCI_EV_LINK_KEY_NOTIFY:
4683 hci_link_key_notify_evt(hdev, skb);
4684 break;
4685
4686 case HCI_EV_CLOCK_OFFSET:
4687 hci_clock_offset_evt(hdev, skb);
4688 break;
4689
a8746417
MH		 4690 case HCI_EV_PKT_TYPE_CHANGE:
4691 hci_pkt_type_change_evt(hdev, skb);
4692 break;
4693
85a1e930
MH		 4694 case HCI_EV_PSCAN_REP_MODE:
4695 hci_pscan_rep_mode_evt(hdev, skb);
4696 break;
4697
a9de9248
MH		 4698 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
4699 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH		 4700 break;
4701
a9de9248
MH		 4702 case HCI_EV_REMOTE_EXT_FEATURES:
4703 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT		 4704 break;
4705
a9de9248
MH		 4706 case HCI_EV_SYNC_CONN_COMPLETE:
4707 hci_sync_conn_complete_evt(hdev, skb);
4708 break;
1da177e4 4709
a9de9248
MH		 4710 case HCI_EV_EXTENDED_INQUIRY_RESULT:
4711 hci_extended_inquiry_result_evt(hdev, skb);
4712 break;
1da177e4 4713
1c2e0041
JH		 4714 case HCI_EV_KEY_REFRESH_COMPLETE:
4715 hci_key_refresh_complete_evt(hdev, skb);
4716 break;
4717
0493684e
MH		 4718 case HCI_EV_IO_CAPA_REQUEST:
4719 hci_io_capa_request_evt(hdev, skb);
4720 break;
4721
03b555e1
JH		 4722 case HCI_EV_IO_CAPA_REPLY:
4723 hci_io_capa_reply_evt(hdev, skb);
4724 break;
4725
a5c29683
JH		 4726 case HCI_EV_USER_CONFIRM_REQUEST:
4727 hci_user_confirm_request_evt(hdev, skb);
4728 break;
4729
1143d458
BG		 4730 case HCI_EV_USER_PASSKEY_REQUEST:
4731 hci_user_passkey_request_evt(hdev, skb);
4732 break;
4733
92a25256
JH		 4734 case HCI_EV_USER_PASSKEY_NOTIFY:
4735 hci_user_passkey_notify_evt(hdev, skb);
4736 break;
4737
4738 case HCI_EV_KEYPRESS_NOTIFY:
4739 hci_keypress_notify_evt(hdev, skb);
4740 break;
4741
0493684e
MH		 4742 case HCI_EV_SIMPLE_PAIR_COMPLETE:
4743 hci_simple_pair_complete_evt(hdev, skb);
4744 break;
4745
41a96212
MH		 4746 case HCI_EV_REMOTE_HOST_FEATURES:
4747 hci_remote_host_features_evt(hdev, skb);
4748 break;
4749
fcd89c09
VT		 4750 case HCI_EV_LE_META:
4751 hci_le_meta_evt(hdev, skb);
4752 break;
4753
9495b2ee
AE		 4754 case HCI_EV_CHANNEL_SELECTED:
4755 hci_chan_selected_evt(hdev, skb);
4756 break;
4757
2763eda6
SJ		 4758 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
4759 hci_remote_oob_data_request_evt(hdev, skb);
4760 break;
4761
d5e91192
AE		 4762 case HCI_EV_PHY_LINK_COMPLETE:
4763 hci_phy_link_complete_evt(hdev, skb);
4764 break;
4765
27695fb4
AE		 4766 case HCI_EV_LOGICAL_LINK_COMPLETE:
4767 hci_loglink_complete_evt(hdev, skb);
4768 break;
4769
606e2a10
AE		 4770 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
4771 hci_disconn_loglink_complete_evt(hdev, skb);
4772 break;
4773
9eef6b3a
AE		 4774 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
4775 hci_disconn_phylink_complete_evt(hdev, skb);
4776 break;
4777
25e89e99
AE		 4778 case HCI_EV_NUM_COMP_BLOCKS:
4779 hci_num_comp_blocks_evt(hdev, skb);
4780 break;
4781
a9de9248 4782 default:
9f1db00c 4783 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT		 4784 break;
4785 }
4786
4787 kfree_skb(skb);
4788 hdev->stat.evt_rx++;
4789}
Linux kernel - Deliverables
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