Bluetooth: Remove unneeded code
[GitHub/mt8127/android_kernel_alcatel_ttab.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
8c520a59 27#include <linux/export.h>
1da177e4
LT
28#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
32
1da177e4
LT
33/* Handle HCI Event packets */
34
a9de9248 35static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 36{
a9de9248 37 __u8 status = *((__u8 *) skb->data);
1da177e4 38
9f1db00c 39 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 40
e6d465cb
AG
41 if (status) {
42 hci_dev_lock(hdev);
43 mgmt_stop_discovery_failed(hdev, status);
44 hci_dev_unlock(hdev);
a9de9248 45 return;
e6d465cb 46 }
1da177e4 47
89352e7d
AG
48 clear_bit(HCI_INQUIRY, &hdev->flags);
49
56e5cb86 50 hci_dev_lock(hdev);
ff9ef578 51 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
56e5cb86 52 hci_dev_unlock(hdev);
6bd57416 53
23bb5763 54 hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
a9de9248
MH
55
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)
106 conn->link_mode &= ~HCI_LM_MASTER;
107 else
108 conn->link_mode |= HCI_LM_MASTER;
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
MH
177
178 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
179 if (!sent)
180 return;
181
182 if (!status)
183 hdev->link_policy = get_unaligned_le16(sent);
184
23bb5763 185 hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
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
23bb5763 196 hci_req_complete(hdev, HCI_OP_RESET, status);
d23264a8 197
a297e97c 198 /* Reset all non-persistent flags */
ae854a70
AG
199 hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS) |
200 BIT(HCI_PERIODIC_INQ));
69775ff6
AG
201
202 hdev->discovery.state = DISCOVERY_STOPPED;
a9de9248 203}
04837f64 204
a9de9248
MH
205static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
206{
207 __u8 status = *((__u8 *) skb->data);
208 void *sent;
04837f64 209
9f1db00c 210 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 211
a9de9248
MH
212 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
213 if (!sent)
214 return;
04837f64 215
56e5cb86
JH
216 hci_dev_lock(hdev);
217
f51d5b24
JH
218 if (test_bit(HCI_MGMT, &hdev->dev_flags))
219 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH
220 else if (!status)
221 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 222
56e5cb86 223 hci_dev_unlock(hdev);
3159d384
JH
224
225 hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
a9de9248
MH
226}
227
228static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
229{
230 struct hci_rp_read_local_name *rp = (void *) skb->data;
231
9f1db00c 232 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH
233
234 if (rp->status)
235 return;
236
db99b5fc
JH
237 if (test_bit(HCI_SETUP, &hdev->dev_flags))
238 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH
239}
240
241static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
242{
243 __u8 status = *((__u8 *) skb->data);
244 void *sent;
245
9f1db00c 246 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH
247
248 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
249 if (!sent)
250 return;
251
252 if (!status) {
253 __u8 param = *((__u8 *) sent);
254
255 if (param == AUTH_ENABLED)
256 set_bit(HCI_AUTH, &hdev->flags);
257 else
258 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 259 }
a9de9248 260
33ef95ed
JH
261 if (test_bit(HCI_MGMT, &hdev->dev_flags))
262 mgmt_auth_enable_complete(hdev, status);
263
23bb5763 264 hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
1da177e4
LT
265}
266
a9de9248 267static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 268{
a9de9248 269 __u8 status = *((__u8 *) skb->data);
1da177e4
LT
270 void *sent;
271
9f1db00c 272 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 273
a9de9248
MH
274 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
275 if (!sent)
276 return;
1da177e4 277
a9de9248
MH
278 if (!status) {
279 __u8 param = *((__u8 *) sent);
280
281 if (param)
282 set_bit(HCI_ENCRYPT, &hdev->flags);
283 else
284 clear_bit(HCI_ENCRYPT, &hdev->flags);
285 }
1da177e4 286
23bb5763 287 hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
a9de9248 288}
1da177e4 289
a9de9248
MH
290static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
291{
36f7fc7e
JH
292 __u8 param, status = *((__u8 *) skb->data);
293 int old_pscan, old_iscan;
a9de9248 294 void *sent;
1da177e4 295
9f1db00c 296 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 297
a9de9248
MH
298 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
299 if (!sent)
300 return;
1da177e4 301
36f7fc7e
JH
302 param = *((__u8 *) sent);
303
56e5cb86
JH
304 hci_dev_lock(hdev);
305
2d7cee58 306 if (status != 0) {
744cf19e 307 mgmt_write_scan_failed(hdev, param, status);
2d7cee58
JH
308 hdev->discov_timeout = 0;
309 goto done;
310 }
311
36f7fc7e
JH
312 old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
313 old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
314
315 if (param & SCAN_INQUIRY) {
316 set_bit(HCI_ISCAN, &hdev->flags);
317 if (!old_iscan)
744cf19e 318 mgmt_discoverable(hdev, 1);
16ab91ab
JH
319 if (hdev->discov_timeout > 0) {
320 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
321 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
807deac2 322 to);
16ab91ab 323 }
36f7fc7e 324 } else if (old_iscan)
744cf19e 325 mgmt_discoverable(hdev, 0);
36f7fc7e
JH
326
327 if (param & SCAN_PAGE) {
328 set_bit(HCI_PSCAN, &hdev->flags);
329 if (!old_pscan)
744cf19e 330 mgmt_connectable(hdev, 1);
36f7fc7e 331 } else if (old_pscan)
744cf19e 332 mgmt_connectable(hdev, 0);
1da177e4 333
36f7fc7e 334done:
56e5cb86 335 hci_dev_unlock(hdev);
23bb5763 336 hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
a9de9248 337}
1da177e4 338
a9de9248
MH
339static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
340{
341 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 342
9f1db00c 343 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 344
a9de9248
MH
345 if (rp->status)
346 return;
1da177e4 347
a9de9248 348 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 349
a9de9248 350 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 351 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 352}
1da177e4 353
a9de9248
MH
354static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
355{
356 __u8 status = *((__u8 *) skb->data);
357 void *sent;
1da177e4 358
9f1db00c 359 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 360
a9de9248
MH
361 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
362 if (!sent)
363 return;
1da177e4 364
7f9a903c
MH
365 hci_dev_lock(hdev);
366
367 if (status == 0)
368 memcpy(hdev->dev_class, sent, 3);
369
370 if (test_bit(HCI_MGMT, &hdev->dev_flags))
371 mgmt_set_class_of_dev_complete(hdev, sent, status);
372
373 hci_dev_unlock(hdev);
a9de9248 374}
1da177e4 375
a9de9248
MH
376static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
377{
378 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
379 __u16 setting;
380
9f1db00c 381 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH
382
383 if (rp->status)
384 return;
385
386 setting = __le16_to_cpu(rp->voice_setting);
387
f383f275 388 if (hdev->voice_setting == setting)
a9de9248
MH
389 return;
390
391 hdev->voice_setting = setting;
392
9f1db00c 393 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 394
3c54711c 395 if (hdev->notify)
a9de9248 396 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH
397}
398
8fc9ced3
GP
399static void hci_cc_write_voice_setting(struct hci_dev *hdev,
400 struct sk_buff *skb)
a9de9248
MH
401{
402 __u8 status = *((__u8 *) skb->data);
f383f275 403 __u16 setting;
a9de9248
MH
404 void *sent;
405
9f1db00c 406 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 407
f383f275
MH
408 if (status)
409 return;
410
a9de9248
MH
411 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
412 if (!sent)
413 return;
1da177e4 414
f383f275 415 setting = get_unaligned_le16(sent);
1da177e4 416
f383f275
MH
417 if (hdev->voice_setting == setting)
418 return;
419
420 hdev->voice_setting = setting;
1da177e4 421
9f1db00c 422 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 423
3c54711c 424 if (hdev->notify)
f383f275 425 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT
426}
427
a9de9248 428static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 429{
a9de9248 430 __u8 status = *((__u8 *) skb->data);
1da177e4 431
9f1db00c 432 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 433
23bb5763 434 hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
a9de9248 435}
1143e5a6 436
333140b5
MH
437static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
438{
439 __u8 status = *((__u8 *) skb->data);
440 void *sent;
441
9f1db00c 442 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 443
333140b5
MH
444 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
445 if (!sent)
446 return;
447
ed2c4ee3 448 if (test_bit(HCI_MGMT, &hdev->dev_flags))
c0ecddc2
JH
449 mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status);
450 else if (!status) {
451 if (*((u8 *) sent))
452 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
453 else
454 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
455 }
333140b5
MH
456}
457
d5859e22
JH
458static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
459{
460 if (hdev->features[6] & LMP_EXT_INQ)
461 return 2;
462
463 if (hdev->features[3] & LMP_RSSI_INQ)
464 return 1;
465
466 if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
807deac2 467 hdev->lmp_subver == 0x0757)
d5859e22
JH
468 return 1;
469
470 if (hdev->manufacturer == 15) {
471 if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
472 return 1;
473 if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
474 return 1;
475 if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
476 return 1;
477 }
478
479 if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
807deac2 480 hdev->lmp_subver == 0x1805)
d5859e22
JH
481 return 1;
482
483 return 0;
484}
485
486static void hci_setup_inquiry_mode(struct hci_dev *hdev)
487{
488 u8 mode;
489
490 mode = hci_get_inquiry_mode(hdev);
491
492 hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
493}
494
495static void hci_setup_event_mask(struct hci_dev *hdev)
496{
497 /* The second byte is 0xff instead of 0x9f (two reserved bits
498 * disabled) since a Broadcom 1.2 dongle doesn't respond to the
499 * command otherwise */
500 u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
501
6de6c18d
VT
502 /* CSR 1.1 dongles does not accept any bitfield so don't try to set
503 * any event mask for pre 1.2 devices */
5a13b095 504 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
6de6c18d
VT
505 return;
506
507 events[4] |= 0x01; /* Flow Specification Complete */
508 events[4] |= 0x02; /* Inquiry Result with RSSI */
509 events[4] |= 0x04; /* Read Remote Extended Features Complete */
510 events[5] |= 0x08; /* Synchronous Connection Complete */
511 events[5] |= 0x10; /* Synchronous Connection Changed */
d5859e22
JH
512
513 if (hdev->features[3] & LMP_RSSI_INQ)
a24299e6 514 events[4] |= 0x02; /* Inquiry Result with RSSI */
d5859e22 515
999dcd10 516 if (lmp_sniffsubr_capable(hdev))
d5859e22
JH
517 events[5] |= 0x20; /* Sniff Subrating */
518
519 if (hdev->features[5] & LMP_PAUSE_ENC)
520 events[5] |= 0x80; /* Encryption Key Refresh Complete */
521
522 if (hdev->features[6] & LMP_EXT_INQ)
523 events[5] |= 0x40; /* Extended Inquiry Result */
524
c58e810e 525 if (lmp_no_flush_capable(hdev))
d5859e22
JH
526 events[7] |= 0x01; /* Enhanced Flush Complete */
527
528 if (hdev->features[7] & LMP_LSTO)
529 events[6] |= 0x80; /* Link Supervision Timeout Changed */
530
9a1a1996 531 if (lmp_ssp_capable(hdev)) {
d5859e22
JH
532 events[6] |= 0x01; /* IO Capability Request */
533 events[6] |= 0x02; /* IO Capability Response */
534 events[6] |= 0x04; /* User Confirmation Request */
535 events[6] |= 0x08; /* User Passkey Request */
536 events[6] |= 0x10; /* Remote OOB Data Request */
537 events[6] |= 0x20; /* Simple Pairing Complete */
538 events[7] |= 0x04; /* User Passkey Notification */
539 events[7] |= 0x08; /* Keypress Notification */
540 events[7] |= 0x10; /* Remote Host Supported
541 * Features Notification */
542 }
543
c383ddc4 544 if (lmp_le_capable(hdev))
d5859e22
JH
545 events[7] |= 0x20; /* LE Meta-Event */
546
547 hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
548}
549
550static void hci_setup(struct hci_dev *hdev)
551{
e61ef499
AE
552 if (hdev->dev_type != HCI_BREDR)
553 return;
554
d5859e22
JH
555 hci_setup_event_mask(hdev);
556
d095c1eb 557 if (hdev->hci_ver > BLUETOOTH_VER_1_1)
d5859e22
JH
558 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
559
6d3c730f 560 if (lmp_ssp_capable(hdev)) {
54d04dbb
JH
561 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
562 u8 mode = 0x01;
563 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
04124681 564 sizeof(mode), &mode);
54d04dbb
JH
565 } else {
566 struct hci_cp_write_eir cp;
567
568 memset(hdev->eir, 0, sizeof(hdev->eir));
569 memset(&cp, 0, sizeof(cp));
570
571 hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
572 }
d5859e22
JH
573 }
574
575 if (hdev->features[3] & LMP_RSSI_INQ)
576 hci_setup_inquiry_mode(hdev);
577
578 if (hdev->features[7] & LMP_INQ_TX_PWR)
579 hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
971e3a4b
AG
580
581 if (hdev->features[7] & LMP_EXTFEATURES) {
582 struct hci_cp_read_local_ext_features cp;
583
584 cp.page = 0x01;
04124681
GP
585 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
586 &cp);
971e3a4b 587 }
e6100a25 588
47990ea0
JH
589 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
590 u8 enable = 1;
04124681
GP
591 hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
592 &enable);
47990ea0 593 }
d5859e22
JH
594}
595
a9de9248
MH
596static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
597{
598 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 599
9f1db00c 600 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 601
a9de9248 602 if (rp->status)
28b8df77 603 goto done;
1143e5a6 604
a9de9248 605 hdev->hci_ver = rp->hci_ver;
e4e8e37c 606 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
d5859e22 607 hdev->lmp_ver = rp->lmp_ver;
e4e8e37c 608 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
d5859e22 609 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
1143e5a6 610
9f1db00c 611 BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
807deac2 612 hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
d5859e22
JH
613
614 if (test_bit(HCI_INIT, &hdev->flags))
615 hci_setup(hdev);
28b8df77
AE
616
617done:
618 hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
d5859e22
JH
619}
620
621static void hci_setup_link_policy(struct hci_dev *hdev)
622{
035100c8 623 struct hci_cp_write_def_link_policy cp;
d5859e22
JH
624 u16 link_policy = 0;
625
9f92ebf6 626 if (lmp_rswitch_capable(hdev))
d5859e22
JH
627 link_policy |= HCI_LP_RSWITCH;
628 if (hdev->features[0] & LMP_HOLD)
629 link_policy |= HCI_LP_HOLD;
6eded100 630 if (lmp_sniff_capable(hdev))
d5859e22
JH
631 link_policy |= HCI_LP_SNIFF;
632 if (hdev->features[1] & LMP_PARK)
633 link_policy |= HCI_LP_PARK;
634
035100c8
AE
635 cp.policy = cpu_to_le16(link_policy);
636 hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp);
a9de9248 637}
1da177e4 638
8fc9ced3
GP
639static void hci_cc_read_local_commands(struct hci_dev *hdev,
640 struct sk_buff *skb)
a9de9248
MH
641{
642 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 643
9f1db00c 644 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 645
a9de9248 646 if (rp->status)
d5859e22 647 goto done;
1da177e4 648
a9de9248 649 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
d5859e22
JH
650
651 if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
652 hci_setup_link_policy(hdev);
653
654done:
655 hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
a9de9248 656}
1da177e4 657
8fc9ced3
GP
658static void hci_cc_read_local_features(struct hci_dev *hdev,
659 struct sk_buff *skb)
a9de9248
MH
660{
661 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 662
9f1db00c 663 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 664
a9de9248
MH
665 if (rp->status)
666 return;
5b7f9909 667
a9de9248 668 memcpy(hdev->features, rp->features, 8);
5b7f9909 669
a9de9248
MH
670 /* Adjust default settings according to features
671 * supported by device. */
1da177e4 672
a9de9248
MH
673 if (hdev->features[0] & LMP_3SLOT)
674 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 675
a9de9248
MH
676 if (hdev->features[0] & LMP_5SLOT)
677 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 678
a9de9248
MH
679 if (hdev->features[1] & LMP_HV2) {
680 hdev->pkt_type |= (HCI_HV2);
681 hdev->esco_type |= (ESCO_HV2);
682 }
1da177e4 683
a9de9248
MH
684 if (hdev->features[1] & LMP_HV3) {
685 hdev->pkt_type |= (HCI_HV3);
686 hdev->esco_type |= (ESCO_HV3);
687 }
1da177e4 688
45db810f 689 if (lmp_esco_capable(hdev))
a9de9248 690 hdev->esco_type |= (ESCO_EV3);
da1f5198 691
a9de9248
MH
692 if (hdev->features[4] & LMP_EV4)
693 hdev->esco_type |= (ESCO_EV4);
da1f5198 694
a9de9248
MH
695 if (hdev->features[4] & LMP_EV5)
696 hdev->esco_type |= (ESCO_EV5);
1da177e4 697
efc7688b
MH
698 if (hdev->features[5] & LMP_EDR_ESCO_2M)
699 hdev->esco_type |= (ESCO_2EV3);
700
701 if (hdev->features[5] & LMP_EDR_ESCO_3M)
702 hdev->esco_type |= (ESCO_3EV3);
703
704 if (hdev->features[5] & LMP_EDR_3S_ESCO)
705 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
706
a9de9248 707 BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
807deac2
GP
708 hdev->features[0], hdev->features[1],
709 hdev->features[2], hdev->features[3],
710 hdev->features[4], hdev->features[5],
711 hdev->features[6], hdev->features[7]);
a9de9248 712}
1da177e4 713
8f984dfa
JH
714static void hci_set_le_support(struct hci_dev *hdev)
715{
716 struct hci_cp_write_le_host_supported cp;
717
718 memset(&cp, 0, sizeof(cp));
719
9d42820f 720 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
8f984dfa
JH
721 cp.le = 1;
722 cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
723 }
724
725 if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE))
04124681
GP
726 hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
727 &cp);
8f984dfa
JH
728}
729
971e3a4b 730static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 731 struct sk_buff *skb)
971e3a4b
AG
732{
733 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
734
9f1db00c 735 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG
736
737 if (rp->status)
8f984dfa 738 goto done;
971e3a4b 739
b5b32b65
AG
740 switch (rp->page) {
741 case 0:
742 memcpy(hdev->features, rp->features, 8);
743 break;
744 case 1:
745 memcpy(hdev->host_features, rp->features, 8);
746 break;
747 }
971e3a4b 748
c383ddc4 749 if (test_bit(HCI_INIT, &hdev->flags) && lmp_le_capable(hdev))
8f984dfa
JH
750 hci_set_le_support(hdev);
751
752done:
971e3a4b
AG
753 hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
754}
755
1e89cffb 756static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 757 struct sk_buff *skb)
1e89cffb
AE
758{
759 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
760
9f1db00c 761 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb
AE
762
763 if (rp->status)
764 return;
765
766 hdev->flow_ctl_mode = rp->mode;
767
768 hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
769}
770
a9de9248
MH
771static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
772{
773 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 774
9f1db00c 775 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 776
a9de9248
MH
777 if (rp->status)
778 return;
1da177e4 779
a9de9248
MH
780 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
781 hdev->sco_mtu = rp->sco_mtu;
782 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
783 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
784
785 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
786 hdev->sco_mtu = 64;
787 hdev->sco_pkts = 8;
1da177e4 788 }
a9de9248
MH
789
790 hdev->acl_cnt = hdev->acl_pkts;
791 hdev->sco_cnt = hdev->sco_pkts;
792
807deac2
GP
793 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
794 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH
795}
796
797static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
798{
799 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
800
9f1db00c 801 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH
802
803 if (!rp->status)
804 bacpy(&hdev->bdaddr, &rp->bdaddr);
805
23bb5763
JH
806 hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
807}
808
350ee4cf 809static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 810 struct sk_buff *skb)
350ee4cf
AE
811{
812 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
813
9f1db00c 814 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE
815
816 if (rp->status)
817 return;
818
819 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
820 hdev->block_len = __le16_to_cpu(rp->block_len);
821 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
822
823 hdev->block_cnt = hdev->num_blocks;
824
825 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 826 hdev->block_cnt, hdev->block_len);
350ee4cf
AE
827
828 hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
829}
830
23bb5763
JH
831static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
832{
833 __u8 status = *((__u8 *) skb->data);
834
9f1db00c 835 BT_DBG("%s status 0x%2.2x", hdev->name, status);
23bb5763
JH
836
837 hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
a9de9248
MH
838}
839
928abaa7 840static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 841 struct sk_buff *skb)
928abaa7
AE
842{
843 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
844
9f1db00c 845 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE
846
847 if (rp->status)
848 return;
849
850 hdev->amp_status = rp->amp_status;
851 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
852 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
853 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
854 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
855 hdev->amp_type = rp->amp_type;
856 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
857 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
858 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
859 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
860
861 hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
862}
863
b0916ea0 864static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
807deac2 865 struct sk_buff *skb)
b0916ea0
JH
866{
867 __u8 status = *((__u8 *) skb->data);
868
9f1db00c 869 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b0916ea0
JH
870
871 hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
872}
873
d5859e22
JH
874static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
875{
876 __u8 status = *((__u8 *) skb->data);
877
9f1db00c 878 BT_DBG("%s status 0x%2.2x", hdev->name, status);
d5859e22
JH
879
880 hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
881}
882
883static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
807deac2 884 struct sk_buff *skb)
d5859e22
JH
885{
886 __u8 status = *((__u8 *) skb->data);
887
9f1db00c 888 BT_DBG("%s status 0x%2.2x", hdev->name, status);
d5859e22
JH
889
890 hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
891}
892
893static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 894 struct sk_buff *skb)
d5859e22 895{
91c4e9b1 896 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 897
9f1db00c 898 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1
MH
899
900 if (!rp->status)
901 hdev->inq_tx_power = rp->tx_power;
d5859e22 902
91c4e9b1 903 hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, rp->status);
d5859e22
JH
904}
905
906static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
907{
908 __u8 status = *((__u8 *) skb->data);
909
9f1db00c 910 BT_DBG("%s status 0x%2.2x", hdev->name, status);
d5859e22
JH
911
912 hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
913}
914
980e1a53
JH
915static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
916{
917 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
918 struct hci_cp_pin_code_reply *cp;
919 struct hci_conn *conn;
920
9f1db00c 921 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 922
56e5cb86
JH
923 hci_dev_lock(hdev);
924
a8b2d5c2 925 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 926 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53
JH
927
928 if (rp->status != 0)
56e5cb86 929 goto unlock;
980e1a53
JH
930
931 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
932 if (!cp)
56e5cb86 933 goto unlock;
980e1a53
JH
934
935 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
936 if (conn)
937 conn->pin_length = cp->pin_len;
56e5cb86
JH
938
939unlock:
940 hci_dev_unlock(hdev);
980e1a53
JH
941}
942
943static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
944{
945 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
946
9f1db00c 947 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 948
56e5cb86
JH
949 hci_dev_lock(hdev);
950
a8b2d5c2 951 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 952 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 953 rp->status);
56e5cb86
JH
954
955 hci_dev_unlock(hdev);
980e1a53 956}
56e5cb86 957
6ed58ec5
VT
958static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
959 struct sk_buff *skb)
960{
961 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
962
9f1db00c 963 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT
964
965 if (rp->status)
966 return;
967
968 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
969 hdev->le_pkts = rp->le_max_pkt;
970
971 hdev->le_cnt = hdev->le_pkts;
972
973 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
974
975 hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
976}
980e1a53 977
a5c29683
JH
978static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
979{
980 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
981
9f1db00c 982 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 983
56e5cb86
JH
984 hci_dev_lock(hdev);
985
a8b2d5c2 986 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP
987 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
988 rp->status);
56e5cb86
JH
989
990 hci_dev_unlock(hdev);
a5c29683
JH
991}
992
993static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 994 struct sk_buff *skb)
a5c29683
JH
995{
996 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
997
9f1db00c 998 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 999
56e5cb86
JH
1000 hci_dev_lock(hdev);
1001
a8b2d5c2 1002 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 1003 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 1004 ACL_LINK, 0, rp->status);
56e5cb86
JH
1005
1006 hci_dev_unlock(hdev);
a5c29683
JH
1007}
1008
1143d458
BG
1009static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
1010{
1011 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1012
9f1db00c 1013 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG
1014
1015 hci_dev_lock(hdev);
1016
a8b2d5c2 1017 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 1018 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 1019 0, rp->status);
1143d458
BG
1020
1021 hci_dev_unlock(hdev);
1022}
1023
1024static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 1025 struct sk_buff *skb)
1143d458
BG
1026{
1027 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
1028
9f1db00c 1029 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG
1030
1031 hci_dev_lock(hdev);
1032
a8b2d5c2 1033 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 1034 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 1035 ACL_LINK, 0, rp->status);
1143d458
BG
1036
1037 hci_dev_unlock(hdev);
1038}
1039
c35938b2 1040static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
807deac2 1041 struct sk_buff *skb)
c35938b2
SJ
1042{
1043 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
1044
9f1db00c 1045 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 1046
56e5cb86 1047 hci_dev_lock(hdev);
744cf19e 1048 mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
c35938b2 1049 rp->randomizer, rp->status);
56e5cb86 1050 hci_dev_unlock(hdev);
c35938b2
SJ
1051}
1052
07f7fa5d
AG
1053static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
1054{
1055 __u8 status = *((__u8 *) skb->data);
1056
9f1db00c 1057 BT_DBG("%s status 0x%2.2x", hdev->name, status);
7ba8b4be
AG
1058
1059 hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status);
3fd24153
AG
1060
1061 if (status) {
1062 hci_dev_lock(hdev);
1063 mgmt_start_discovery_failed(hdev, status);
1064 hci_dev_unlock(hdev);
1065 return;
1066 }
07f7fa5d
AG
1067}
1068
eb9d91f5 1069static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 1070 struct sk_buff *skb)
eb9d91f5
AG
1071{
1072 struct hci_cp_le_set_scan_enable *cp;
1073 __u8 status = *((__u8 *) skb->data);
1074
9f1db00c 1075 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 1076
eb9d91f5
AG
1077 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
1078 if (!cp)
1079 return;
1080
68a8aea4
AE
1081 switch (cp->enable) {
1082 case LE_SCANNING_ENABLED:
7ba8b4be
AG
1083 hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status);
1084
3fd24153
AG
1085 if (status) {
1086 hci_dev_lock(hdev);
1087 mgmt_start_discovery_failed(hdev, status);
1088 hci_dev_unlock(hdev);
7ba8b4be 1089 return;
3fd24153 1090 }
7ba8b4be 1091
d23264a8
AG
1092 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
1093
a8f13c8c 1094 hci_dev_lock(hdev);
343f935b 1095 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
a8f13c8c 1096 hci_dev_unlock(hdev);
68a8aea4
AE
1097 break;
1098
1099 case LE_SCANNING_DISABLED:
c9ecc48e
AG
1100 if (status) {
1101 hci_dev_lock(hdev);
1102 mgmt_stop_discovery_failed(hdev, status);
1103 hci_dev_unlock(hdev);
7ba8b4be 1104 return;
c9ecc48e 1105 }
7ba8b4be 1106
d23264a8
AG
1107 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
1108
bc3dd33c
AG
1109 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
1110 hdev->discovery.state == DISCOVERY_FINDING) {
5e0452c0
AG
1111 mgmt_interleaved_discovery(hdev);
1112 } else {
1113 hci_dev_lock(hdev);
1114 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1115 hci_dev_unlock(hdev);
1116 }
1117
68a8aea4
AE
1118 break;
1119
1120 default:
1121 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1122 break;
35815085 1123 }
eb9d91f5
AG
1124}
1125
a7a595f6
VCG
1126static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
1127{
1128 struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
1129
9f1db00c 1130 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a7a595f6
VCG
1131
1132 if (rp->status)
1133 return;
1134
1135 hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
1136}
1137
1138static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
1139{
1140 struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
1141
9f1db00c 1142 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a7a595f6
VCG
1143
1144 if (rp->status)
1145 return;
1146
1147 hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
1148}
1149
6039aa73
GP
1150static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1151 struct sk_buff *skb)
f9b49306 1152{
06199cf8 1153 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG
1154 __u8 status = *((__u8 *) skb->data);
1155
9f1db00c 1156 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1157
06199cf8 1158 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1159 if (!sent)
f9b49306
AG
1160 return;
1161
8f984dfa
JH
1162 if (!status) {
1163 if (sent->le)
1164 hdev->host_features[0] |= LMP_HOST_LE;
1165 else
1166 hdev->host_features[0] &= ~LMP_HOST_LE;
1167 }
1168
1169 if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
807deac2 1170 !test_bit(HCI_INIT, &hdev->flags))
8f984dfa
JH
1171 mgmt_le_enable_complete(hdev, sent->le, status);
1172
1173 hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
f9b49306
AG
1174}
1175
6039aa73 1176static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1177{
9f1db00c 1178 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH
1179
1180 if (status) {
23bb5763 1181 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
a9de9248 1182 hci_conn_check_pending(hdev);
56e5cb86 1183 hci_dev_lock(hdev);
a8b2d5c2 1184 if (test_bit(HCI_MGMT, &hdev->dev_flags))
7a135109 1185 mgmt_start_discovery_failed(hdev, status);
56e5cb86 1186 hci_dev_unlock(hdev);
314b2381
JH
1187 return;
1188 }
1189
89352e7d
AG
1190 set_bit(HCI_INQUIRY, &hdev->flags);
1191
56e5cb86 1192 hci_dev_lock(hdev);
343f935b 1193 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
56e5cb86 1194 hci_dev_unlock(hdev);
1da177e4
LT
1195}
1196
6039aa73 1197static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1198{
a9de9248 1199 struct hci_cp_create_conn *cp;
1da177e4 1200 struct hci_conn *conn;
1da177e4 1201
9f1db00c 1202 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH
1203
1204 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT
1205 if (!cp)
1206 return;
1207
1208 hci_dev_lock(hdev);
1209
1210 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1211
9f1db00c 1212 BT_DBG("%s bdaddr %s hcon %p", hdev->name, batostr(&cp->bdaddr), conn);
1da177e4
LT
1213
1214 if (status) {
1215 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH
1216 if (status != 0x0c || conn->attempt > 2) {
1217 conn->state = BT_CLOSED;
1218 hci_proto_connect_cfm(conn, status);
1219 hci_conn_del(conn);
1220 } else
1221 conn->state = BT_CONNECT2;
1da177e4
LT
1222 }
1223 } else {
1224 if (!conn) {
1225 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1226 if (conn) {
a0c808b3 1227 conn->out = true;
1da177e4
LT
1228 conn->link_mode |= HCI_LM_MASTER;
1229 } else
893ef971 1230 BT_ERR("No memory for new connection");
1da177e4
LT
1231 }
1232 }
1233
1234 hci_dev_unlock(hdev);
1235}
1236
a9de9248 1237static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1238{
a9de9248
MH
1239 struct hci_cp_add_sco *cp;
1240 struct hci_conn *acl, *sco;
1241 __u16 handle;
1da177e4 1242
9f1db00c 1243 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1244
a9de9248
MH
1245 if (!status)
1246 return;
1da177e4 1247
a9de9248
MH
1248 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1249 if (!cp)
1250 return;
1da177e4 1251
a9de9248 1252 handle = __le16_to_cpu(cp->handle);
1da177e4 1253
9f1db00c 1254 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1255
a9de9248 1256 hci_dev_lock(hdev);
1da177e4 1257
a9de9248 1258 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE
1259 if (acl) {
1260 sco = acl->link;
1261 if (sco) {
1262 sco->state = BT_CLOSED;
1da177e4 1263
5a08ecce
AE
1264 hci_proto_connect_cfm(sco, status);
1265 hci_conn_del(sco);
1266 }
a9de9248 1267 }
1da177e4 1268
a9de9248
MH
1269 hci_dev_unlock(hdev);
1270}
1da177e4 1271
f8558555
MH
1272static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1273{
1274 struct hci_cp_auth_requested *cp;
1275 struct hci_conn *conn;
1276
9f1db00c 1277 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH
1278
1279 if (!status)
1280 return;
1281
1282 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1283 if (!cp)
1284 return;
1285
1286 hci_dev_lock(hdev);
1287
1288 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1289 if (conn) {
1290 if (conn->state == BT_CONFIG) {
1291 hci_proto_connect_cfm(conn, status);
1292 hci_conn_put(conn);
1293 }
1294 }
1295
1296 hci_dev_unlock(hdev);
1297}
1298
1299static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1300{
1301 struct hci_cp_set_conn_encrypt *cp;
1302 struct hci_conn *conn;
1303
9f1db00c 1304 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH
1305
1306 if (!status)
1307 return;
1308
1309 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1310 if (!cp)
1311 return;
1312
1313 hci_dev_lock(hdev);
1314
1315 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1316 if (conn) {
1317 if (conn->state == BT_CONFIG) {
1318 hci_proto_connect_cfm(conn, status);
1319 hci_conn_put(conn);
1320 }
1321 }
1322
1323 hci_dev_unlock(hdev);
1324}
1325
127178d2 1326static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1327 struct hci_conn *conn)
392599b9 1328{
392599b9
JH
1329 if (conn->state != BT_CONFIG || !conn->out)
1330 return 0;
1331
765c2a96 1332 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH
1333 return 0;
1334
1335 /* Only request authentication for SSP connections or non-SSP
e9bf2bf0 1336 * devices with sec_level HIGH or if MITM protection is requested */
807deac2
GP
1337 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
1338 conn->pending_sec_level != BT_SECURITY_HIGH)
392599b9
JH
1339 return 0;
1340
392599b9
JH
1341 return 1;
1342}
1343
6039aa73 1344static int hci_resolve_name(struct hci_dev *hdev,
04124681 1345 struct inquiry_entry *e)
30dc78e1
JH
1346{
1347 struct hci_cp_remote_name_req cp;
1348
1349 memset(&cp, 0, sizeof(cp));
1350
1351 bacpy(&cp.bdaddr, &e->data.bdaddr);
1352 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1353 cp.pscan_mode = e->data.pscan_mode;
1354 cp.clock_offset = e->data.clock_offset;
1355
1356 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1357}
1358
b644ba33 1359static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH
1360{
1361 struct discovery_state *discov = &hdev->discovery;
1362 struct inquiry_entry *e;
1363
b644ba33
JH
1364 if (list_empty(&discov->resolve))
1365 return false;
1366
1367 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1368 if (hci_resolve_name(hdev, e) == 0) {
1369 e->name_state = NAME_PENDING;
1370 return true;
1371 }
1372
1373 return false;
1374}
1375
1376static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1377 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH
1378{
1379 struct discovery_state *discov = &hdev->discovery;
1380 struct inquiry_entry *e;
1381
1382 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP
1383 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1384 name_len, conn->dev_class);
b644ba33
JH
1385
1386 if (discov->state == DISCOVERY_STOPPED)
1387 return;
1388
30dc78e1
JH
1389 if (discov->state == DISCOVERY_STOPPING)
1390 goto discov_complete;
1391
1392 if (discov->state != DISCOVERY_RESOLVING)
1393 return;
1394
1395 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
1396 if (e) {
1397 e->name_state = NAME_KNOWN;
1398 list_del(&e->list);
b644ba33
JH
1399 if (name)
1400 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
04124681 1401 e->data.rssi, name, name_len);
30dc78e1
JH
1402 }
1403
b644ba33 1404 if (hci_resolve_next_name(hdev))
30dc78e1 1405 return;
30dc78e1
JH
1406
1407discov_complete:
1408 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1409}
1410
a9de9248
MH
1411static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1412{
127178d2
JH
1413 struct hci_cp_remote_name_req *cp;
1414 struct hci_conn *conn;
1415
9f1db00c 1416 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH
1417
1418 /* If successful wait for the name req complete event before
1419 * checking for the need to do authentication */
1420 if (!status)
1421 return;
1422
1423 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1424 if (!cp)
1425 return;
1426
1427 hci_dev_lock(hdev);
1428
b644ba33
JH
1429 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1430
a8b2d5c2 1431 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1432 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1433
79c6c70c
JH
1434 if (!conn)
1435 goto unlock;
1436
1437 if (!hci_outgoing_auth_needed(hdev, conn))
1438 goto unlock;
1439
51a8efd7 1440 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH
1441 struct hci_cp_auth_requested cp;
1442 cp.handle = __cpu_to_le16(conn->handle);
1443 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1444 }
1445
79c6c70c 1446unlock:
127178d2 1447 hci_dev_unlock(hdev);
a9de9248 1448}
1da177e4 1449
769be974
MH
1450static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1451{
1452 struct hci_cp_read_remote_features *cp;
1453 struct hci_conn *conn;
1454
9f1db00c 1455 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH
1456
1457 if (!status)
1458 return;
1459
1460 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1461 if (!cp)
1462 return;
1463
1464 hci_dev_lock(hdev);
1465
1466 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1467 if (conn) {
1468 if (conn->state == BT_CONFIG) {
769be974
MH
1469 hci_proto_connect_cfm(conn, status);
1470 hci_conn_put(conn);
1471 }
1472 }
1473
1474 hci_dev_unlock(hdev);
1475}
1476
1477static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1478{
1479 struct hci_cp_read_remote_ext_features *cp;
1480 struct hci_conn *conn;
1481
9f1db00c 1482 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH
1483
1484 if (!status)
1485 return;
1486
1487 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1488 if (!cp)
1489 return;
1490
1491 hci_dev_lock(hdev);
1492
1493 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1494 if (conn) {
1495 if (conn->state == BT_CONFIG) {
769be974
MH
1496 hci_proto_connect_cfm(conn, status);
1497 hci_conn_put(conn);
1498 }
1499 }
1500
1501 hci_dev_unlock(hdev);
1502}
1503
a9de9248
MH
1504static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1505{
b6a0dc82
MH
1506 struct hci_cp_setup_sync_conn *cp;
1507 struct hci_conn *acl, *sco;
1508 __u16 handle;
1509
9f1db00c 1510 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH
1511
1512 if (!status)
1513 return;
1514
1515 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1516 if (!cp)
1517 return;
1518
1519 handle = __le16_to_cpu(cp->handle);
1520
9f1db00c 1521 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH
1522
1523 hci_dev_lock(hdev);
1524
1525 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE
1526 if (acl) {
1527 sco = acl->link;
1528 if (sco) {
1529 sco->state = BT_CLOSED;
b6a0dc82 1530
5a08ecce
AE
1531 hci_proto_connect_cfm(sco, status);
1532 hci_conn_del(sco);
1533 }
b6a0dc82
MH
1534 }
1535
1536 hci_dev_unlock(hdev);
1da177e4
LT
1537}
1538
a9de9248 1539static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1540{
a9de9248
MH
1541 struct hci_cp_sniff_mode *cp;
1542 struct hci_conn *conn;
1da177e4 1543
9f1db00c 1544 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1545
a9de9248
MH
1546 if (!status)
1547 return;
04837f64 1548
a9de9248
MH
1549 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1550 if (!cp)
1551 return;
04837f64 1552
a9de9248 1553 hci_dev_lock(hdev);
04837f64 1554
a9de9248 1555 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1556 if (conn) {
51a8efd7 1557 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1558
51a8efd7 1559 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH
1560 hci_sco_setup(conn, status);
1561 }
1562
a9de9248
MH
1563 hci_dev_unlock(hdev);
1564}
04837f64 1565
a9de9248
MH
1566static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1567{
1568 struct hci_cp_exit_sniff_mode *cp;
1569 struct hci_conn *conn;
04837f64 1570
9f1db00c 1571 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1572
a9de9248
MH
1573 if (!status)
1574 return;
04837f64 1575
a9de9248
MH
1576 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1577 if (!cp)
1578 return;
04837f64 1579
a9de9248 1580 hci_dev_lock(hdev);
1da177e4 1581
a9de9248 1582 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1583 if (conn) {
51a8efd7 1584 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1585
51a8efd7 1586 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH
1587 hci_sco_setup(conn, status);
1588 }
1589
a9de9248 1590 hci_dev_unlock(hdev);
1da177e4
LT
1591}
1592
88c3df13
JH
1593static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1594{
1595 struct hci_cp_disconnect *cp;
1596 struct hci_conn *conn;
1597
1598 if (!status)
1599 return;
1600
1601 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1602 if (!cp)
1603 return;
1604
1605 hci_dev_lock(hdev);
1606
1607 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1608 if (conn)
1609 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1610 conn->dst_type, status);
88c3df13
JH
1611
1612 hci_dev_unlock(hdev);
1613}
1614
fcd89c09
VT
1615static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
1616{
1617 struct hci_cp_le_create_conn *cp;
1618 struct hci_conn *conn;
1619
9f1db00c 1620 BT_DBG("%s status 0x%2.2x", hdev->name, status);
fcd89c09
VT
1621
1622 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1623 if (!cp)
1624 return;
1625
1626 hci_dev_lock(hdev);
1627
1628 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1629
1630 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr),
807deac2 1631 conn);
fcd89c09
VT
1632
1633 if (status) {
1634 if (conn && conn->state == BT_CONNECT) {
1635 conn->state = BT_CLOSED;
328c9248
HG
1636 mgmt_connect_failed(hdev, &cp->peer_addr, conn->type,
1637 conn->dst_type, status);
fcd89c09
VT
1638 hci_proto_connect_cfm(conn, status);
1639 hci_conn_del(conn);
1640 }
fcd89c09
VT
1641 }
1642
1643 hci_dev_unlock(hdev);
1644}
1645
a7a595f6
VCG
1646static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1647{
9f1db00c 1648 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a7a595f6
VCG
1649}
1650
6039aa73 1651static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT
1652{
1653 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH
1654 struct discovery_state *discov = &hdev->discovery;
1655 struct inquiry_entry *e;
1da177e4 1656
9f1db00c 1657 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1658
23bb5763 1659 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
6bd57416 1660
a9de9248 1661 hci_conn_check_pending(hdev);
89352e7d
AG
1662
1663 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1664 return;
1665
a8b2d5c2 1666 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH
1667 return;
1668
56e5cb86 1669 hci_dev_lock(hdev);
30dc78e1 1670
343f935b 1671 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH
1672 goto unlock;
1673
1674 if (list_empty(&discov->resolve)) {
1675 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1676 goto unlock;
1677 }
1678
1679 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1680 if (e && hci_resolve_name(hdev, e) == 0) {
1681 e->name_state = NAME_PENDING;
1682 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1683 } else {
1684 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1685 }
1686
1687unlock:
56e5cb86 1688 hci_dev_unlock(hdev);
1da177e4
LT
1689}
1690
6039aa73 1691static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1692{
45bb4bf0 1693 struct inquiry_data data;
a9de9248 1694 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT
1695 int num_rsp = *((__u8 *) skb->data);
1696
1697 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1698
45bb4bf0
MH
1699 if (!num_rsp)
1700 return;
1701
1519cc17
AG
1702 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1703 return;
1704
1da177e4 1705 hci_dev_lock(hdev);
45bb4bf0 1706
e17acd40 1707 for (; num_rsp; num_rsp--, info++) {
388fc8fa 1708 bool name_known, ssp;
3175405b 1709
1da177e4
LT
1710 bacpy(&data.bdaddr, &info->bdaddr);
1711 data.pscan_rep_mode = info->pscan_rep_mode;
1712 data.pscan_period_mode = info->pscan_period_mode;
1713 data.pscan_mode = info->pscan_mode;
1714 memcpy(data.dev_class, info->dev_class, 3);
1715 data.clock_offset = info->clock_offset;
1716 data.rssi = 0x00;
41a96212 1717 data.ssp_mode = 0x00;
3175405b 1718
388fc8fa 1719 name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
48264f06 1720 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
1721 info->dev_class, 0, !name_known, ssp, NULL,
1722 0);
1da177e4 1723 }
45bb4bf0 1724
1da177e4
LT
1725 hci_dev_unlock(hdev);
1726}
1727
6039aa73 1728static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1729{
a9de9248
MH
1730 struct hci_ev_conn_complete *ev = (void *) skb->data;
1731 struct hci_conn *conn;
1da177e4
LT
1732
1733 BT_DBG("%s", hdev->name);
1734
1735 hci_dev_lock(hdev);
1736
1737 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH
1738 if (!conn) {
1739 if (ev->link_type != SCO_LINK)
1740 goto unlock;
1741
1742 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1743 if (!conn)
1744 goto unlock;
1745
1746 conn->type = SCO_LINK;
1747 }
1da177e4
LT
1748
1749 if (!ev->status) {
1750 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH
1751
1752 if (conn->type == ACL_LINK) {
1753 conn->state = BT_CONFIG;
1754 hci_conn_hold(conn);
052b30b0 1755 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH
1756 } else
1757 conn->state = BT_CONNECTED;
1da177e4 1758
9eba32b8 1759 hci_conn_hold_device(conn);
7d0db0a3
MH
1760 hci_conn_add_sysfs(conn);
1761
1da177e4
LT
1762 if (test_bit(HCI_AUTH, &hdev->flags))
1763 conn->link_mode |= HCI_LM_AUTH;
1764
1765 if (test_bit(HCI_ENCRYPT, &hdev->flags))
1766 conn->link_mode |= HCI_LM_ENCRYPT;
1767
04837f64
MH
1768 /* Get remote features */
1769 if (conn->type == ACL_LINK) {
1770 struct hci_cp_read_remote_features cp;
1771 cp.handle = ev->handle;
769be974 1772 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 1773 sizeof(cp), &cp);
04837f64
MH
1774 }
1775
1da177e4 1776 /* Set packet type for incoming connection */
d095c1eb 1777 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT
1778 struct hci_cp_change_conn_ptype cp;
1779 cp.handle = ev->handle;
a8746417 1780 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP
1781 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
1782 &cp);
1da177e4 1783 }
17d5c04c 1784 } else {
1da177e4 1785 conn->state = BT_CLOSED;
17d5c04c 1786 if (conn->type == ACL_LINK)
744cf19e 1787 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
04124681 1788 conn->dst_type, ev->status);
17d5c04c 1789 }
1da177e4 1790
e73439d8
MH
1791 if (conn->type == ACL_LINK)
1792 hci_sco_setup(conn, ev->status);
1da177e4 1793
769be974
MH
1794 if (ev->status) {
1795 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1796 hci_conn_del(conn);
c89b6e6b
MH
1797 } else if (ev->link_type != ACL_LINK)
1798 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1799
a9de9248 1800unlock:
1da177e4 1801 hci_dev_unlock(hdev);
1da177e4 1802
a9de9248 1803 hci_conn_check_pending(hdev);
1da177e4
LT
1804}
1805
6039aa73 1806static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1807{
a9de9248
MH
1808 struct hci_ev_conn_request *ev = (void *) skb->data;
1809 int mask = hdev->link_mode;
1da177e4 1810
807deac2
GP
1811 BT_DBG("%s bdaddr %s type 0x%x", hdev->name, batostr(&ev->bdaddr),
1812 ev->link_type);
1da177e4 1813
a9de9248 1814 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
1da177e4 1815
138d22ef 1816 if ((mask & HCI_LM_ACCEPT) &&
807deac2 1817 !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
a9de9248 1818 /* Connection accepted */
c7bdd502 1819 struct inquiry_entry *ie;
1da177e4 1820 struct hci_conn *conn;
1da177e4 1821
a9de9248 1822 hci_dev_lock(hdev);
b6a0dc82 1823
cc11b9c1
AE
1824 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
1825 if (ie)
c7bdd502
MH
1826 memcpy(ie->data.dev_class, ev->dev_class, 3);
1827
8fc9ced3
GP
1828 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
1829 &ev->bdaddr);
a9de9248 1830 if (!conn) {
cc11b9c1
AE
1831 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
1832 if (!conn) {
893ef971 1833 BT_ERR("No memory for new connection");
a9de9248
MH
1834 hci_dev_unlock(hdev);
1835 return;
1da177e4
LT
1836 }
1837 }
b6a0dc82 1838
a9de9248
MH
1839 memcpy(conn->dev_class, ev->dev_class, 3);
1840 conn->state = BT_CONNECT;
b6a0dc82 1841
a9de9248 1842 hci_dev_unlock(hdev);
1da177e4 1843
b6a0dc82
MH
1844 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
1845 struct hci_cp_accept_conn_req cp;
1da177e4 1846
b6a0dc82
MH
1847 bacpy(&cp.bdaddr, &ev->bdaddr);
1848
1849 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
1850 cp.role = 0x00; /* Become master */
1851 else
1852 cp.role = 0x01; /* Remain slave */
1853
04124681
GP
1854 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
1855 &cp);
b6a0dc82
MH
1856 } else {
1857 struct hci_cp_accept_sync_conn_req cp;
1858
1859 bacpy(&cp.bdaddr, &ev->bdaddr);
a8746417 1860 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 1861
82781e63
AE
1862 cp.tx_bandwidth = __constant_cpu_to_le32(0x00001f40);
1863 cp.rx_bandwidth = __constant_cpu_to_le32(0x00001f40);
1864 cp.max_latency = __constant_cpu_to_le16(0xffff);
b6a0dc82
MH
1865 cp.content_format = cpu_to_le16(hdev->voice_setting);
1866 cp.retrans_effort = 0xff;
1da177e4 1867
b6a0dc82 1868 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
04124681 1869 sizeof(cp), &cp);
b6a0dc82 1870 }
a9de9248
MH
1871 } else {
1872 /* Connection rejected */
1873 struct hci_cp_reject_conn_req cp;
1da177e4 1874
a9de9248 1875 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 1876 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
a9de9248 1877 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
1da177e4 1878 }
1da177e4
LT
1879}
1880
6039aa73 1881static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 1882{
a9de9248 1883 struct hci_ev_disconn_complete *ev = (void *) skb->data;
04837f64
MH
1884 struct hci_conn *conn;
1885
9f1db00c 1886 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH
1887
1888 hci_dev_lock(hdev);
1889
1890 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH
1891 if (!conn)
1892 goto unlock;
7d0db0a3 1893
37d9ef76
JH
1894 if (ev->status == 0)
1895 conn->state = BT_CLOSED;
04837f64 1896
b644ba33 1897 if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
807deac2 1898 (conn->type == ACL_LINK || conn->type == LE_LINK)) {
37d9ef76 1899 if (ev->status != 0)
88c3df13 1900 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
807deac2 1901 conn->dst_type, ev->status);
37d9ef76 1902 else
afc747a6 1903 mgmt_device_disconnected(hdev, &conn->dst, conn->type,
04124681 1904 conn->dst_type);
37d9ef76 1905 }
f7520543 1906
37d9ef76 1907 if (ev->status == 0) {
6ec5bcad
VA
1908 if (conn->type == ACL_LINK && conn->flush_key)
1909 hci_remove_link_key(hdev, &conn->dst);
37d9ef76
JH
1910 hci_proto_disconn_cfm(conn, ev->reason);
1911 hci_conn_del(conn);
1912 }
f7520543
JH
1913
1914unlock:
04837f64
MH
1915 hci_dev_unlock(hdev);
1916}
1917
6039aa73 1918static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1919{
a9de9248 1920 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 1921 struct hci_conn *conn;
1da177e4 1922
9f1db00c 1923 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
1924
1925 hci_dev_lock(hdev);
1926
04837f64 1927 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR
1928 if (!conn)
1929 goto unlock;
1930
1931 if (!ev->status) {
aa64a8b5 1932 if (!hci_conn_ssp_enabled(conn) &&
807deac2 1933 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 1934 BT_INFO("re-auth of legacy device is not possible.");
2a611692 1935 } else {
d7556e20
WR
1936 conn->link_mode |= HCI_LM_AUTH;
1937 conn->sec_level = conn->pending_sec_level;
2a611692 1938 }
d7556e20 1939 } else {
bab73cb6 1940 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 1941 ev->status);
d7556e20 1942 }
1da177e4 1943
51a8efd7
JH
1944 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1945 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 1946
d7556e20 1947 if (conn->state == BT_CONFIG) {
aa64a8b5 1948 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR
1949 struct hci_cp_set_conn_encrypt cp;
1950 cp.handle = ev->handle;
1951 cp.encrypt = 0x01;
1952 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 1953 &cp);
052b30b0 1954 } else {
d7556e20
WR
1955 conn->state = BT_CONNECTED;
1956 hci_proto_connect_cfm(conn, ev->status);
052b30b0
MH
1957 hci_conn_put(conn);
1958 }
d7556e20
WR
1959 } else {
1960 hci_auth_cfm(conn, ev->status);
052b30b0 1961
d7556e20
WR
1962 hci_conn_hold(conn);
1963 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1964 hci_conn_put(conn);
1965 }
1966
51a8efd7 1967 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR
1968 if (!ev->status) {
1969 struct hci_cp_set_conn_encrypt cp;
1970 cp.handle = ev->handle;
1971 cp.encrypt = 0x01;
1972 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 1973 &cp);
d7556e20 1974 } else {
51a8efd7 1975 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 1976 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT
1977 }
1978 }
1979
d7556e20 1980unlock:
1da177e4
LT
1981 hci_dev_unlock(hdev);
1982}
1983
6039aa73 1984static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1985{
127178d2
JH
1986 struct hci_ev_remote_name *ev = (void *) skb->data;
1987 struct hci_conn *conn;
1988
a9de9248 1989 BT_DBG("%s", hdev->name);
1da177e4 1990
a9de9248 1991 hci_conn_check_pending(hdev);
127178d2
JH
1992
1993 hci_dev_lock(hdev);
1994
b644ba33 1995 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 1996
b644ba33
JH
1997 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1998 goto check_auth;
a88a9652 1999
b644ba33
JH
2000 if (ev->status == 0)
2001 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2002 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH
2003 else
2004 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2005
2006check_auth:
79c6c70c
JH
2007 if (!conn)
2008 goto unlock;
2009
2010 if (!hci_outgoing_auth_needed(hdev, conn))
2011 goto unlock;
2012
51a8efd7 2013 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH
2014 struct hci_cp_auth_requested cp;
2015 cp.handle = __cpu_to_le16(conn->handle);
2016 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2017 }
2018
79c6c70c 2019unlock:
127178d2 2020 hci_dev_unlock(hdev);
a9de9248
MH
2021}
2022
6039aa73 2023static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2024{
2025 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2026 struct hci_conn *conn;
2027
9f1db00c 2028 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2029
2030 hci_dev_lock(hdev);
2031
04837f64 2032 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2033 if (conn) {
2034 if (!ev->status) {
ae293196
MH
2035 if (ev->encrypt) {
2036 /* Encryption implies authentication */
2037 conn->link_mode |= HCI_LM_AUTH;
1da177e4 2038 conn->link_mode |= HCI_LM_ENCRYPT;
da85e5e5 2039 conn->sec_level = conn->pending_sec_level;
ae293196 2040 } else
1da177e4
LT
2041 conn->link_mode &= ~HCI_LM_ENCRYPT;
2042 }
2043
51a8efd7 2044 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
1da177e4 2045
a7d7723a 2046 if (ev->status && conn->state == BT_CONNECTED) {
d839c813 2047 hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
a7d7723a
GP
2048 hci_conn_put(conn);
2049 goto unlock;
2050 }
2051
f8558555
MH
2052 if (conn->state == BT_CONFIG) {
2053 if (!ev->status)
2054 conn->state = BT_CONNECTED;
2055
2056 hci_proto_connect_cfm(conn, ev->status);
2057 hci_conn_put(conn);
2058 } else
2059 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
1da177e4
LT
2060 }
2061
a7d7723a 2062unlock:
1da177e4
LT
2063 hci_dev_unlock(hdev);
2064}
2065
6039aa73
GP
2066static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2067 struct sk_buff *skb)
1da177e4 2068{
a9de9248 2069 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2070 struct hci_conn *conn;
1da177e4 2071
9f1db00c 2072 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2073
2074 hci_dev_lock(hdev);
2075
04837f64 2076 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2077 if (conn) {
2078 if (!ev->status)
2079 conn->link_mode |= HCI_LM_SECURE;
2080
51a8efd7 2081 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT
2082
2083 hci_key_change_cfm(conn, ev->status);
2084 }
2085
2086 hci_dev_unlock(hdev);
2087}
2088
6039aa73
GP
2089static void hci_remote_features_evt(struct hci_dev *hdev,
2090 struct sk_buff *skb)
1da177e4 2091{
a9de9248
MH
2092 struct hci_ev_remote_features *ev = (void *) skb->data;
2093 struct hci_conn *conn;
2094
9f1db00c 2095 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2096
a9de9248
MH
2097 hci_dev_lock(hdev);
2098
2099 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
2100 if (!conn)
2101 goto unlock;
769be974 2102
ccd556fe
JH
2103 if (!ev->status)
2104 memcpy(conn->features, ev->features, 8);
2105
2106 if (conn->state != BT_CONFIG)
2107 goto unlock;
2108
2109 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2110 struct hci_cp_read_remote_ext_features cp;
2111 cp.handle = ev->handle;
2112 cp.page = 0x01;
2113 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2114 sizeof(cp), &cp);
392599b9
JH
2115 goto unlock;
2116 }
2117
671267bf 2118 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH
2119 struct hci_cp_remote_name_req cp;
2120 memset(&cp, 0, sizeof(cp));
2121 bacpy(&cp.bdaddr, &conn->dst);
2122 cp.pscan_rep_mode = 0x02;
2123 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH
2124 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2125 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP
2126 conn->dst_type, 0, NULL, 0,
2127 conn->dev_class);
392599b9 2128
127178d2 2129 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
2130 conn->state = BT_CONNECTED;
2131 hci_proto_connect_cfm(conn, ev->status);
2132 hci_conn_put(conn);
769be974 2133 }
a9de9248 2134
ccd556fe 2135unlock:
a9de9248 2136 hci_dev_unlock(hdev);
1da177e4
LT
2137}
2138
6039aa73 2139static void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2140{
a9de9248 2141 BT_DBG("%s", hdev->name);
1da177e4
LT
2142}
2143
6039aa73
GP
2144static void hci_qos_setup_complete_evt(struct hci_dev *hdev,
2145 struct sk_buff *skb)
1da177e4 2146{
a9de9248 2147 BT_DBG("%s", hdev->name);
1da177e4
LT
2148}
2149
6039aa73 2150static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2151{
2152 struct hci_ev_cmd_complete *ev = (void *) skb->data;
2153 __u16 opcode;
2154
2155 skb_pull(skb, sizeof(*ev));
2156
2157 opcode = __le16_to_cpu(ev->opcode);
2158
2159 switch (opcode) {
2160 case HCI_OP_INQUIRY_CANCEL:
2161 hci_cc_inquiry_cancel(hdev, skb);
2162 break;
2163
4d93483b
AG
2164 case HCI_OP_PERIODIC_INQ:
2165 hci_cc_periodic_inq(hdev, skb);
2166 break;
2167
a9de9248
MH
2168 case HCI_OP_EXIT_PERIODIC_INQ:
2169 hci_cc_exit_periodic_inq(hdev, skb);
2170 break;
2171
2172 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2173 hci_cc_remote_name_req_cancel(hdev, skb);
2174 break;
2175
2176 case HCI_OP_ROLE_DISCOVERY:
2177 hci_cc_role_discovery(hdev, skb);
2178 break;
2179
e4e8e37c
MH
2180 case HCI_OP_READ_LINK_POLICY:
2181 hci_cc_read_link_policy(hdev, skb);
2182 break;
2183
a9de9248
MH
2184 case HCI_OP_WRITE_LINK_POLICY:
2185 hci_cc_write_link_policy(hdev, skb);
2186 break;
2187
e4e8e37c
MH
2188 case HCI_OP_READ_DEF_LINK_POLICY:
2189 hci_cc_read_def_link_policy(hdev, skb);
2190 break;
2191
2192 case HCI_OP_WRITE_DEF_LINK_POLICY:
2193 hci_cc_write_def_link_policy(hdev, skb);
2194 break;
2195
a9de9248
MH
2196 case HCI_OP_RESET:
2197 hci_cc_reset(hdev, skb);
2198 break;
2199
2200 case HCI_OP_WRITE_LOCAL_NAME:
2201 hci_cc_write_local_name(hdev, skb);
2202 break;
2203
2204 case HCI_OP_READ_LOCAL_NAME:
2205 hci_cc_read_local_name(hdev, skb);
2206 break;
2207
2208 case HCI_OP_WRITE_AUTH_ENABLE:
2209 hci_cc_write_auth_enable(hdev, skb);
2210 break;
2211
2212 case HCI_OP_WRITE_ENCRYPT_MODE:
2213 hci_cc_write_encrypt_mode(hdev, skb);
2214 break;
2215
2216 case HCI_OP_WRITE_SCAN_ENABLE:
2217 hci_cc_write_scan_enable(hdev, skb);
2218 break;
2219
2220 case HCI_OP_READ_CLASS_OF_DEV:
2221 hci_cc_read_class_of_dev(hdev, skb);
2222 break;
2223
2224 case HCI_OP_WRITE_CLASS_OF_DEV:
2225 hci_cc_write_class_of_dev(hdev, skb);
2226 break;
2227
2228 case HCI_OP_READ_VOICE_SETTING:
2229 hci_cc_read_voice_setting(hdev, skb);
2230 break;
2231
2232 case HCI_OP_WRITE_VOICE_SETTING:
2233 hci_cc_write_voice_setting(hdev, skb);
2234 break;
2235
2236 case HCI_OP_HOST_BUFFER_SIZE:
2237 hci_cc_host_buffer_size(hdev, skb);
2238 break;
2239
333140b5
MH
2240 case HCI_OP_WRITE_SSP_MODE:
2241 hci_cc_write_ssp_mode(hdev, skb);
2242 break;
2243
a9de9248
MH
2244 case HCI_OP_READ_LOCAL_VERSION:
2245 hci_cc_read_local_version(hdev, skb);
2246 break;
2247
2248 case HCI_OP_READ_LOCAL_COMMANDS:
2249 hci_cc_read_local_commands(hdev, skb);
2250 break;
2251
2252 case HCI_OP_READ_LOCAL_FEATURES:
2253 hci_cc_read_local_features(hdev, skb);
2254 break;
2255
971e3a4b
AG
2256 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2257 hci_cc_read_local_ext_features(hdev, skb);
2258 break;
2259
a9de9248
MH
2260 case HCI_OP_READ_BUFFER_SIZE:
2261 hci_cc_read_buffer_size(hdev, skb);
2262 break;
2263
2264 case HCI_OP_READ_BD_ADDR:
2265 hci_cc_read_bd_addr(hdev, skb);
2266 break;
2267
350ee4cf
AE
2268 case HCI_OP_READ_DATA_BLOCK_SIZE:
2269 hci_cc_read_data_block_size(hdev, skb);
2270 break;
2271
23bb5763
JH
2272 case HCI_OP_WRITE_CA_TIMEOUT:
2273 hci_cc_write_ca_timeout(hdev, skb);
2274 break;
2275
1e89cffb
AE
2276 case HCI_OP_READ_FLOW_CONTROL_MODE:
2277 hci_cc_read_flow_control_mode(hdev, skb);
2278 break;
2279
928abaa7
AE
2280 case HCI_OP_READ_LOCAL_AMP_INFO:
2281 hci_cc_read_local_amp_info(hdev, skb);
2282 break;
2283
b0916ea0
JH
2284 case HCI_OP_DELETE_STORED_LINK_KEY:
2285 hci_cc_delete_stored_link_key(hdev, skb);
2286 break;
2287
d5859e22
JH
2288 case HCI_OP_SET_EVENT_MASK:
2289 hci_cc_set_event_mask(hdev, skb);
2290 break;
2291
2292 case HCI_OP_WRITE_INQUIRY_MODE:
2293 hci_cc_write_inquiry_mode(hdev, skb);
2294 break;
2295
2296 case HCI_OP_READ_INQ_RSP_TX_POWER:
2297 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2298 break;
2299
2300 case HCI_OP_SET_EVENT_FLT:
2301 hci_cc_set_event_flt(hdev, skb);
2302 break;
2303
980e1a53
JH
2304 case HCI_OP_PIN_CODE_REPLY:
2305 hci_cc_pin_code_reply(hdev, skb);
2306 break;
2307
2308 case HCI_OP_PIN_CODE_NEG_REPLY:
2309 hci_cc_pin_code_neg_reply(hdev, skb);
2310 break;
2311
c35938b2
SJ
2312 case HCI_OP_READ_LOCAL_OOB_DATA:
2313 hci_cc_read_local_oob_data_reply(hdev, skb);
2314 break;
2315
6ed58ec5
VT
2316 case HCI_OP_LE_READ_BUFFER_SIZE:
2317 hci_cc_le_read_buffer_size(hdev, skb);
2318 break;
2319
a5c29683
JH
2320 case HCI_OP_USER_CONFIRM_REPLY:
2321 hci_cc_user_confirm_reply(hdev, skb);
2322 break;
2323
2324 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2325 hci_cc_user_confirm_neg_reply(hdev, skb);
2326 break;
2327
1143d458
BG
2328 case HCI_OP_USER_PASSKEY_REPLY:
2329 hci_cc_user_passkey_reply(hdev, skb);
2330 break;
2331
2332 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2333 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2334 break;
07f7fa5d
AG
2335
2336 case HCI_OP_LE_SET_SCAN_PARAM:
2337 hci_cc_le_set_scan_param(hdev, skb);
1143d458
BG
2338 break;
2339
eb9d91f5
AG
2340 case HCI_OP_LE_SET_SCAN_ENABLE:
2341 hci_cc_le_set_scan_enable(hdev, skb);
2342 break;
2343
a7a595f6
VCG
2344 case HCI_OP_LE_LTK_REPLY:
2345 hci_cc_le_ltk_reply(hdev, skb);
2346 break;
2347
2348 case HCI_OP_LE_LTK_NEG_REPLY:
2349 hci_cc_le_ltk_neg_reply(hdev, skb);
2350 break;
2351
f9b49306
AG
2352 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2353 hci_cc_write_le_host_supported(hdev, skb);
2354 break;
2355
a9de9248 2356 default:
9f1db00c 2357 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH
2358 break;
2359 }
2360
6bd32326
VT
2361 if (ev->opcode != HCI_OP_NOP)
2362 del_timer(&hdev->cmd_timer);
2363
a9de9248
MH
2364 if (ev->ncmd) {
2365 atomic_set(&hdev->cmd_cnt, 1);
2366 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2367 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH
2368 }
2369}
2370
6039aa73 2371static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2372{
2373 struct hci_ev_cmd_status *ev = (void *) skb->data;
2374 __u16 opcode;
2375
2376 skb_pull(skb, sizeof(*ev));
2377
2378 opcode = __le16_to_cpu(ev->opcode);
2379
2380 switch (opcode) {
2381 case HCI_OP_INQUIRY:
2382 hci_cs_inquiry(hdev, ev->status);
2383 break;
2384
2385 case HCI_OP_CREATE_CONN:
2386 hci_cs_create_conn(hdev, ev->status);
2387 break;
2388
2389 case HCI_OP_ADD_SCO:
2390 hci_cs_add_sco(hdev, ev->status);
2391 break;
2392
f8558555
MH
2393 case HCI_OP_AUTH_REQUESTED:
2394 hci_cs_auth_requested(hdev, ev->status);
2395 break;
2396
2397 case HCI_OP_SET_CONN_ENCRYPT:
2398 hci_cs_set_conn_encrypt(hdev, ev->status);
2399 break;
2400
a9de9248
MH
2401 case HCI_OP_REMOTE_NAME_REQ:
2402 hci_cs_remote_name_req(hdev, ev->status);
2403 break;
2404
769be974
MH
2405 case HCI_OP_READ_REMOTE_FEATURES:
2406 hci_cs_read_remote_features(hdev, ev->status);
2407 break;
2408
2409 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2410 hci_cs_read_remote_ext_features(hdev, ev->status);
2411 break;
2412
a9de9248
MH
2413 case HCI_OP_SETUP_SYNC_CONN:
2414 hci_cs_setup_sync_conn(hdev, ev->status);
2415 break;
2416
2417 case HCI_OP_SNIFF_MODE:
2418 hci_cs_sniff_mode(hdev, ev->status);
2419 break;
2420
2421 case HCI_OP_EXIT_SNIFF_MODE:
2422 hci_cs_exit_sniff_mode(hdev, ev->status);
2423 break;
2424
8962ee74 2425 case HCI_OP_DISCONNECT:
88c3df13 2426 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH
2427 break;
2428
fcd89c09
VT
2429 case HCI_OP_LE_CREATE_CONN:
2430 hci_cs_le_create_conn(hdev, ev->status);
2431 break;
2432
a7a595f6
VCG
2433 case HCI_OP_LE_START_ENC:
2434 hci_cs_le_start_enc(hdev, ev->status);
2435 break;
2436
a9de9248 2437 default:
9f1db00c 2438 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH
2439 break;
2440 }
2441
6bd32326
VT
2442 if (ev->opcode != HCI_OP_NOP)
2443 del_timer(&hdev->cmd_timer);
2444
10572132 2445 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH
2446 atomic_set(&hdev->cmd_cnt, 1);
2447 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2448 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH
2449 }
2450}
2451
6039aa73 2452static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2453{
2454 struct hci_ev_role_change *ev = (void *) skb->data;
2455 struct hci_conn *conn;
2456
9f1db00c 2457 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH
2458
2459 hci_dev_lock(hdev);
2460
2461 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2462 if (conn) {
2463 if (!ev->status) {
2464 if (ev->role)
2465 conn->link_mode &= ~HCI_LM_MASTER;
2466 else
2467 conn->link_mode |= HCI_LM_MASTER;
2468 }
2469
51a8efd7 2470 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH
2471
2472 hci_role_switch_cfm(conn, ev->status, ev->role);
2473 }
2474
2475 hci_dev_unlock(hdev);
2476}
2477
6039aa73 2478static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2479{
2480 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH
2481 int i;
2482
32ac5b9b
AE
2483 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2484 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2485 return;
2486 }
2487
c5993de8 2488 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2489 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH
2490 BT_DBG("%s bad parameters", hdev->name);
2491 return;
2492 }
2493
c5993de8
AE
2494 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2495
613a1c0c
AE
2496 for (i = 0; i < ev->num_hndl; i++) {
2497 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH
2498 struct hci_conn *conn;
2499 __u16 handle, count;
2500
613a1c0c
AE
2501 handle = __le16_to_cpu(info->handle);
2502 count = __le16_to_cpu(info->count);
a9de9248
MH
2503
2504 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE
2505 if (!conn)
2506 continue;
2507
2508 conn->sent -= count;
2509
2510 switch (conn->type) {
2511 case ACL_LINK:
2512 hdev->acl_cnt += count;
2513 if (hdev->acl_cnt > hdev->acl_pkts)
2514 hdev->acl_cnt = hdev->acl_pkts;
2515 break;
2516
2517 case LE_LINK:
2518 if (hdev->le_pkts) {
2519 hdev->le_cnt += count;
2520 if (hdev->le_cnt > hdev->le_pkts)
2521 hdev->le_cnt = hdev->le_pkts;
2522 } else {
70f23020
AE
2523 hdev->acl_cnt += count;
2524 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2525 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2526 }
f4280918
AE
2527 break;
2528
2529 case SCO_LINK:
2530 hdev->sco_cnt += count;
2531 if (hdev->sco_cnt > hdev->sco_pkts)
2532 hdev->sco_cnt = hdev->sco_pkts;
2533 break;
2534
2535 default:
2536 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2537 break;
a9de9248
MH
2538 }
2539 }
2540
3eff45ea 2541 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH
2542}
2543
6039aa73 2544static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE
2545{
2546 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
2547 int i;
2548
2549 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
2550 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2551 return;
2552 }
2553
2554 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2555 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE
2556 BT_DBG("%s bad parameters", hdev->name);
2557 return;
2558 }
2559
2560 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 2561 ev->num_hndl);
25e89e99
AE
2562
2563 for (i = 0; i < ev->num_hndl; i++) {
2564 struct hci_comp_blocks_info *info = &ev->handles[i];
2565 struct hci_conn *conn;
2566 __u16 handle, block_count;
2567
2568 handle = __le16_to_cpu(info->handle);
2569 block_count = __le16_to_cpu(info->blocks);
2570
2571 conn = hci_conn_hash_lookup_handle(hdev, handle);
2572 if (!conn)
2573 continue;
2574
2575 conn->sent -= block_count;
2576
2577 switch (conn->type) {
2578 case ACL_LINK:
2579 hdev->block_cnt += block_count;
2580 if (hdev->block_cnt > hdev->num_blocks)
2581 hdev->block_cnt = hdev->num_blocks;
2582 break;
2583
2584 default:
2585 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2586 break;
2587 }
2588 }
2589
2590 queue_work(hdev->workqueue, &hdev->tx_work);
2591}
2592
6039aa73 2593static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2594{
a9de9248 2595 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH
2596 struct hci_conn *conn;
2597
9f1db00c 2598 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH
2599
2600 hci_dev_lock(hdev);
2601
2602 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH
2603 if (conn) {
2604 conn->mode = ev->mode;
2605 conn->interval = __le16_to_cpu(ev->interval);
2606
8fc9ced3
GP
2607 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
2608 &conn->flags)) {
a9de9248 2609 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 2610 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 2611 else
58a681ef 2612 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 2613 }
e73439d8 2614
51a8efd7 2615 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 2616 hci_sco_setup(conn, ev->status);
04837f64
MH
2617 }
2618
2619 hci_dev_unlock(hdev);
2620}
2621
6039aa73 2622static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2623{
052b30b0
MH
2624 struct hci_ev_pin_code_req *ev = (void *) skb->data;
2625 struct hci_conn *conn;
2626
a9de9248 2627 BT_DBG("%s", hdev->name);
052b30b0
MH
2628
2629 hci_dev_lock(hdev);
2630
2631 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR
2632 if (!conn)
2633 goto unlock;
2634
2635 if (conn->state == BT_CONNECTED) {
052b30b0
MH
2636 hci_conn_hold(conn);
2637 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2638 hci_conn_put(conn);
2639 }
2640
a8b2d5c2 2641 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 2642 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 2643 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 2644 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR
2645 u8 secure;
2646
2647 if (conn->pending_sec_level == BT_SECURITY_HIGH)
2648 secure = 1;
2649 else
2650 secure = 0;
2651
744cf19e 2652 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 2653 }
980e1a53 2654
b6f98044 2655unlock:
052b30b0 2656 hci_dev_unlock(hdev);
a9de9248
MH
2657}
2658
6039aa73 2659static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2660{
55ed8ca1
JH
2661 struct hci_ev_link_key_req *ev = (void *) skb->data;
2662 struct hci_cp_link_key_reply cp;
2663 struct hci_conn *conn;
2664 struct link_key *key;
2665
a9de9248 2666 BT_DBG("%s", hdev->name);
55ed8ca1 2667
a8b2d5c2 2668 if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
55ed8ca1
JH
2669 return;
2670
2671 hci_dev_lock(hdev);
2672
2673 key = hci_find_link_key(hdev, &ev->bdaddr);
2674 if (!key) {
2675 BT_DBG("%s link key not found for %s", hdev->name,
807deac2 2676 batostr(&ev->bdaddr));
55ed8ca1
JH
2677 goto not_found;
2678 }
2679
2680 BT_DBG("%s found key type %u for %s", hdev->name, key->type,
807deac2 2681 batostr(&ev->bdaddr));
55ed8ca1 2682
a8b2d5c2 2683 if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
807deac2 2684 key->type == HCI_LK_DEBUG_COMBINATION) {
55ed8ca1
JH
2685 BT_DBG("%s ignoring debug key", hdev->name);
2686 goto not_found;
2687 }
2688
2689 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57
WR
2690 if (conn) {
2691 if (key->type == HCI_LK_UNAUTH_COMBINATION &&
807deac2 2692 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR
2693 BT_DBG("%s ignoring unauthenticated key", hdev->name);
2694 goto not_found;
2695 }
55ed8ca1 2696
60b83f57 2697 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
807deac2 2698 conn->pending_sec_level == BT_SECURITY_HIGH) {
8fc9ced3
GP
2699 BT_DBG("%s ignoring key unauthenticated for high security",
2700 hdev->name);
60b83f57
WR
2701 goto not_found;
2702 }
2703
2704 conn->key_type = key->type;
2705 conn->pin_length = key->pin_len;
55ed8ca1
JH
2706 }
2707
2708 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 2709 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH
2710
2711 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
2712
2713 hci_dev_unlock(hdev);
2714
2715 return;
2716
2717not_found:
2718 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
2719 hci_dev_unlock(hdev);
a9de9248
MH
2720}
2721
6039aa73 2722static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2723{
052b30b0
MH
2724 struct hci_ev_link_key_notify *ev = (void *) skb->data;
2725 struct hci_conn *conn;
55ed8ca1 2726 u8 pin_len = 0;
052b30b0 2727
a9de9248 2728 BT_DBG("%s", hdev->name);
052b30b0
MH
2729
2730 hci_dev_lock(hdev);
2731
2732 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2733 if (conn) {
2734 hci_conn_hold(conn);
2735 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 2736 pin_len = conn->pin_length;
13d39315
WR
2737
2738 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
2739 conn->key_type = ev->key_type;
2740
052b30b0
MH
2741 hci_conn_put(conn);
2742 }
2743
a8b2d5c2 2744 if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
d25e28ab 2745 hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
807deac2 2746 ev->key_type, pin_len);
55ed8ca1 2747
052b30b0 2748 hci_dev_unlock(hdev);
a9de9248
MH
2749}
2750
6039aa73 2751static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2752{
a9de9248 2753 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 2754 struct hci_conn *conn;
1da177e4 2755
9f1db00c 2756 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2757
2758 hci_dev_lock(hdev);
2759
04837f64 2760 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2761 if (conn && !ev->status) {
2762 struct inquiry_entry *ie;
2763
cc11b9c1
AE
2764 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2765 if (ie) {
1da177e4
LT
2766 ie->data.clock_offset = ev->clock_offset;
2767 ie->timestamp = jiffies;
2768 }
2769 }
2770
2771 hci_dev_unlock(hdev);
2772}
2773
6039aa73 2774static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH
2775{
2776 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
2777 struct hci_conn *conn;
2778
9f1db00c 2779 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH
2780
2781 hci_dev_lock(hdev);
2782
2783 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2784 if (conn && !ev->status)
2785 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
2786
2787 hci_dev_unlock(hdev);
2788}
2789
6039aa73 2790static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 2791{
a9de9248 2792 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH
2793 struct inquiry_entry *ie;
2794
2795 BT_DBG("%s", hdev->name);
2796
2797 hci_dev_lock(hdev);
2798
cc11b9c1
AE
2799 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2800 if (ie) {
85a1e930
MH
2801 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
2802 ie->timestamp = jiffies;
2803 }
2804
2805 hci_dev_unlock(hdev);
2806}
2807
6039aa73
GP
2808static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
2809 struct sk_buff *skb)
a9de9248
MH
2810{
2811 struct inquiry_data data;
2812 int num_rsp = *((__u8 *) skb->data);
388fc8fa 2813 bool name_known, ssp;
a9de9248
MH
2814
2815 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2816
2817 if (!num_rsp)
2818 return;
2819
1519cc17
AG
2820 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2821 return;
2822
a9de9248
MH
2823 hci_dev_lock(hdev);
2824
2825 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ
2826 struct inquiry_info_with_rssi_and_pscan_mode *info;
2827 info = (void *) (skb->data + 1);
a9de9248 2828
e17acd40 2829 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2830 bacpy(&data.bdaddr, &info->bdaddr);
2831 data.pscan_rep_mode = info->pscan_rep_mode;
2832 data.pscan_period_mode = info->pscan_period_mode;
2833 data.pscan_mode = info->pscan_mode;
2834 memcpy(data.dev_class, info->dev_class, 3);
2835 data.clock_offset = info->clock_offset;
2836 data.rssi = info->rssi;
41a96212 2837 data.ssp_mode = 0x00;
3175405b
JH
2838
2839 name_known = hci_inquiry_cache_update(hdev, &data,
04124681 2840 false, &ssp);
48264f06 2841 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
2842 info->dev_class, info->rssi,
2843 !name_known, ssp, NULL, 0);
a9de9248
MH
2844 }
2845 } else {
2846 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
2847
e17acd40 2848 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2849 bacpy(&data.bdaddr, &info->bdaddr);
2850 data.pscan_rep_mode = info->pscan_rep_mode;
2851 data.pscan_period_mode = info->pscan_period_mode;
2852 data.pscan_mode = 0x00;
2853 memcpy(data.dev_class, info->dev_class, 3);
2854 data.clock_offset = info->clock_offset;
2855 data.rssi = info->rssi;
41a96212 2856 data.ssp_mode = 0x00;
3175405b 2857 name_known = hci_inquiry_cache_update(hdev, &data,
04124681 2858 false, &ssp);
48264f06 2859 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
2860 info->dev_class, info->rssi,
2861 !name_known, ssp, NULL, 0);
a9de9248
MH
2862 }
2863 }
2864
2865 hci_dev_unlock(hdev);
2866}
2867
6039aa73
GP
2868static void hci_remote_ext_features_evt(struct hci_dev *hdev,
2869 struct sk_buff *skb)
a9de9248 2870{
41a96212
MH
2871 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
2872 struct hci_conn *conn;
2873
a9de9248 2874 BT_DBG("%s", hdev->name);
41a96212 2875
41a96212
MH
2876 hci_dev_lock(hdev);
2877
2878 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
2879 if (!conn)
2880 goto unlock;
41a96212 2881
ccd556fe
JH
2882 if (!ev->status && ev->page == 0x01) {
2883 struct inquiry_entry *ie;
41a96212 2884
cc11b9c1
AE
2885 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2886 if (ie)
02b7cc62 2887 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 2888
02b7cc62 2889 if (ev->features[0] & LMP_HOST_SSP)
58a681ef 2890 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
ccd556fe
JH
2891 }
2892
2893 if (conn->state != BT_CONFIG)
2894 goto unlock;
2895
671267bf 2896 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH
2897 struct hci_cp_remote_name_req cp;
2898 memset(&cp, 0, sizeof(cp));
2899 bacpy(&cp.bdaddr, &conn->dst);
2900 cp.pscan_rep_mode = 0x02;
2901 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH
2902 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2903 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP
2904 conn->dst_type, 0, NULL, 0,
2905 conn->dev_class);
392599b9 2906
127178d2 2907 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
2908 conn->state = BT_CONNECTED;
2909 hci_proto_connect_cfm(conn, ev->status);
2910 hci_conn_put(conn);
41a96212
MH
2911 }
2912
ccd556fe 2913unlock:
41a96212 2914 hci_dev_unlock(hdev);
a9de9248
MH
2915}
2916
6039aa73
GP
2917static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
2918 struct sk_buff *skb)
a9de9248 2919{
b6a0dc82
MH
2920 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
2921 struct hci_conn *conn;
2922
9f1db00c 2923 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH
2924
2925 hci_dev_lock(hdev);
2926
2927 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH
2928 if (!conn) {
2929 if (ev->link_type == ESCO_LINK)
2930 goto unlock;
2931
2932 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2933 if (!conn)
2934 goto unlock;
2935
2936 conn->type = SCO_LINK;
2937 }
b6a0dc82 2938
732547f9
MH
2939 switch (ev->status) {
2940 case 0x00:
b6a0dc82
MH
2941 conn->handle = __le16_to_cpu(ev->handle);
2942 conn->state = BT_CONNECTED;
7d0db0a3 2943
9eba32b8 2944 hci_conn_hold_device(conn);
7d0db0a3 2945 hci_conn_add_sysfs(conn);
732547f9
MH
2946 break;
2947
705e5711 2948 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 2949 case 0x1c: /* SCO interval rejected */
1038a00b 2950 case 0x1a: /* Unsupported Remote Feature */
732547f9
MH
2951 case 0x1f: /* Unspecified error */
2952 if (conn->out && conn->attempt < 2) {
2953 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
2954 (hdev->esco_type & EDR_ESCO_MASK);
2955 hci_setup_sync(conn, conn->link->handle);
2956 goto unlock;
2957 }
2958 /* fall through */
2959
2960 default:
b6a0dc82 2961 conn->state = BT_CLOSED;
732547f9
MH
2962 break;
2963 }
b6a0dc82
MH
2964
2965 hci_proto_connect_cfm(conn, ev->status);
2966 if (ev->status)
2967 hci_conn_del(conn);
2968
2969unlock:
2970 hci_dev_unlock(hdev);
a9de9248
MH
2971}
2972
6039aa73 2973static void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2974{
2975 BT_DBG("%s", hdev->name);
2976}
2977
6039aa73 2978static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2979{
a9de9248 2980 struct hci_ev_sniff_subrate *ev = (void *) skb->data;
04837f64 2981
9f1db00c 2982 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH
2983}
2984
6039aa73
GP
2985static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
2986 struct sk_buff *skb)
1da177e4 2987{
a9de9248
MH
2988 struct inquiry_data data;
2989 struct extended_inquiry_info *info = (void *) (skb->data + 1);
2990 int num_rsp = *((__u8 *) skb->data);
9d939d94 2991 size_t eir_len;
1da177e4 2992
a9de9248 2993 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 2994
a9de9248
MH
2995 if (!num_rsp)
2996 return;
1da177e4 2997
1519cc17
AG
2998 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2999 return;
3000
a9de9248
MH
3001 hci_dev_lock(hdev);
3002
e17acd40 3003 for (; num_rsp; num_rsp--, info++) {
388fc8fa 3004 bool name_known, ssp;
561aafbc 3005
a9de9248 3006 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ
3007 data.pscan_rep_mode = info->pscan_rep_mode;
3008 data.pscan_period_mode = info->pscan_period_mode;
3009 data.pscan_mode = 0x00;
a9de9248 3010 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ
3011 data.clock_offset = info->clock_offset;
3012 data.rssi = info->rssi;
41a96212 3013 data.ssp_mode = 0x01;
561aafbc 3014
a8b2d5c2 3015 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3016 name_known = eir_has_data_type(info->data,
04124681
GP
3017 sizeof(info->data),
3018 EIR_NAME_COMPLETE);
561aafbc
JH
3019 else
3020 name_known = true;
3021
388fc8fa 3022 name_known = hci_inquiry_cache_update(hdev, &data, name_known,
04124681 3023 &ssp);
9d939d94 3024 eir_len = eir_get_length(info->data, sizeof(info->data));
48264f06 3025 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3026 info->dev_class, info->rssi, !name_known,
9d939d94 3027 ssp, info->data, eir_len);
a9de9248
MH
3028 }
3029
3030 hci_dev_unlock(hdev);
3031}
1da177e4 3032
1c2e0041
JH
3033static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3034 struct sk_buff *skb)
3035{
3036 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3037 struct hci_conn *conn;
3038
9f1db00c 3039 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH
3040 __le16_to_cpu(ev->handle));
3041
3042 hci_dev_lock(hdev);
3043
3044 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3045 if (!conn)
3046 goto unlock;
3047
3048 if (!ev->status)
3049 conn->sec_level = conn->pending_sec_level;
3050
3051 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3052
3053 if (ev->status && conn->state == BT_CONNECTED) {
3054 hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
3055 hci_conn_put(conn);
3056 goto unlock;
3057 }
3058
3059 if (conn->state == BT_CONFIG) {
3060 if (!ev->status)
3061 conn->state = BT_CONNECTED;
3062
3063 hci_proto_connect_cfm(conn, ev->status);
3064 hci_conn_put(conn);
3065 } else {
3066 hci_auth_cfm(conn, ev->status);
3067
3068 hci_conn_hold(conn);
3069 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3070 hci_conn_put(conn);
3071 }
3072
3073unlock:
3074 hci_dev_unlock(hdev);
3075}
3076
6039aa73 3077static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d
JH
3078{
3079 /* If remote requests dedicated bonding follow that lead */
3080 if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
3081 /* If both remote and local IO capabilities allow MITM
3082 * protection then require it, otherwise don't */
3083 if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
3084 return 0x02;
3085 else
3086 return 0x03;
3087 }
3088
3089 /* If remote requests no-bonding follow that lead */
3090 if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
58797bf7 3091 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d
JH
3092
3093 return conn->auth_type;
3094}
3095
6039aa73 3096static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH
3097{
3098 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3099 struct hci_conn *conn;
3100
3101 BT_DBG("%s", hdev->name);
3102
3103 hci_dev_lock(hdev);
3104
3105 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH
3106 if (!conn)
3107 goto unlock;
3108
3109 hci_conn_hold(conn);
3110
a8b2d5c2 3111 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH
3112 goto unlock;
3113
a8b2d5c2 3114 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3115 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH
3116 struct hci_cp_io_capability_reply cp;
3117
3118 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG
3119 /* Change the IO capability from KeyboardDisplay
3120 * to DisplayYesNo as it is not supported by BT spec. */
3121 cp.capability = (conn->io_capability == 0x04) ?
3122 0x01 : conn->io_capability;
7cbc9bd9
JH
3123 conn->auth_type = hci_get_auth_req(conn);
3124 cp.authentication = conn->auth_type;
17fa4b9d 3125
8fc9ced3
GP
3126 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3127 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ
3128 cp.oob_data = 0x01;
3129 else
3130 cp.oob_data = 0x00;
3131
17fa4b9d 3132 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3133 sizeof(cp), &cp);
03b555e1
JH
3134 } else {
3135 struct hci_cp_io_capability_neg_reply cp;
3136
3137 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3138 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3139
03b555e1 3140 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3141 sizeof(cp), &cp);
03b555e1
JH
3142 }
3143
3144unlock:
3145 hci_dev_unlock(hdev);
3146}
3147
6039aa73 3148static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH
3149{
3150 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3151 struct hci_conn *conn;
3152
3153 BT_DBG("%s", hdev->name);
3154
3155 hci_dev_lock(hdev);
3156
3157 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3158 if (!conn)
3159 goto unlock;
3160
03b555e1 3161 conn->remote_cap = ev->capability;
03b555e1 3162 conn->remote_auth = ev->authentication;
58a681ef
JH
3163 if (ev->oob_data)
3164 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH
3165
3166unlock:
0493684e
MH
3167 hci_dev_unlock(hdev);
3168}
3169
6039aa73
GP
3170static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3171 struct sk_buff *skb)
a5c29683
JH
3172{
3173 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3174 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3175 struct hci_conn *conn;
a5c29683
JH
3176
3177 BT_DBG("%s", hdev->name);
3178
3179 hci_dev_lock(hdev);
3180
a8b2d5c2 3181 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3182 goto unlock;
a5c29683 3183
7a828908
JH
3184 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3185 if (!conn)
3186 goto unlock;
3187
3188 loc_mitm = (conn->auth_type & 0x01);
3189 rem_mitm = (conn->remote_auth & 0x01);
3190
3191 /* If we require MITM but the remote device can't provide that
3192 * (it has NoInputNoOutput) then reject the confirmation
3193 * request. The only exception is when we're dedicated bonding
3194 * initiators (connect_cfm_cb set) since then we always have the MITM
3195 * bit set. */
3196 if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
3197 BT_DBG("Rejecting request: remote device can't provide MITM");
3198 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3199 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH
3200 goto unlock;
3201 }
3202
3203 /* If no side requires MITM protection; auto-accept */
3204 if ((!loc_mitm || conn->remote_cap == 0x03) &&
807deac2 3205 (!rem_mitm || conn->io_capability == 0x03)) {
55bc1a37
JH
3206
3207 /* If we're not the initiators request authorization to
3208 * proceed from user space (mgmt_user_confirm with
3209 * confirm_hint set to 1). */
51a8efd7 3210 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
55bc1a37
JH
3211 BT_DBG("Confirming auto-accept as acceptor");
3212 confirm_hint = 1;
3213 goto confirm;
3214 }
3215
9f61656a 3216 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3217 hdev->auto_accept_delay);
9f61656a
JH
3218
3219 if (hdev->auto_accept_delay > 0) {
3220 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
3221 mod_timer(&conn->auto_accept_timer, jiffies + delay);
3222 goto unlock;
3223 }
3224
7a828908 3225 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3226 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH
3227 goto unlock;
3228 }
3229
55bc1a37 3230confirm:
272d90df 3231 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
04124681 3232 confirm_hint);
7a828908
JH
3233
3234unlock:
a5c29683
JH
3235 hci_dev_unlock(hdev);
3236}
3237
6039aa73
GP
3238static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3239 struct sk_buff *skb)
1143d458
BG
3240{
3241 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3242
3243 BT_DBG("%s", hdev->name);
3244
a8b2d5c2 3245 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3246 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG
3247}
3248
6039aa73
GP
3249static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3250 struct sk_buff *skb)
0493684e
MH
3251{
3252 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3253 struct hci_conn *conn;
3254
3255 BT_DBG("%s", hdev->name);
3256
3257 hci_dev_lock(hdev);
3258
3259 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH
3260 if (!conn)
3261 goto unlock;
3262
3263 /* To avoid duplicate auth_failed events to user space we check
3264 * the HCI_CONN_AUTH_PEND flag which will be set if we
3265 * initiated the authentication. A traditional auth_complete
3266 * event gets always produced as initiator and is also mapped to
3267 * the mgmt_auth_failed event */
51a8efd7 3268 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status != 0)
bab73cb6 3269 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3270 ev->status);
0493684e 3271
2a611692
JH
3272 hci_conn_put(conn);
3273
3274unlock:
0493684e
MH
3275 hci_dev_unlock(hdev);
3276}
3277
6039aa73
GP
3278static void hci_remote_host_features_evt(struct hci_dev *hdev,
3279 struct sk_buff *skb)
41a96212
MH
3280{
3281 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3282 struct inquiry_entry *ie;
3283
3284 BT_DBG("%s", hdev->name);
3285
3286 hci_dev_lock(hdev);
3287
cc11b9c1
AE
3288 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3289 if (ie)
02b7cc62 3290 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH
3291
3292 hci_dev_unlock(hdev);
3293}
3294
6039aa73
GP
3295static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3296 struct sk_buff *skb)
2763eda6
SJ
3297{
3298 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3299 struct oob_data *data;
3300
3301 BT_DBG("%s", hdev->name);
3302
3303 hci_dev_lock(hdev);
3304
a8b2d5c2 3305 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ
3306 goto unlock;
3307
2763eda6
SJ
3308 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3309 if (data) {
3310 struct hci_cp_remote_oob_data_reply cp;
3311
3312 bacpy(&cp.bdaddr, &ev->bdaddr);
3313 memcpy(cp.hash, data->hash, sizeof(cp.hash));
3314 memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
3315
3316 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
807deac2 3317 &cp);
2763eda6
SJ
3318 } else {
3319 struct hci_cp_remote_oob_data_neg_reply cp;
3320
3321 bacpy(&cp.bdaddr, &ev->bdaddr);
3322 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
807deac2 3323 &cp);
2763eda6
SJ
3324 }
3325
e1ba1f15 3326unlock:
2763eda6
SJ
3327 hci_dev_unlock(hdev);
3328}
3329
6039aa73 3330static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT
3331{
3332 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
3333 struct hci_conn *conn;
3334
9f1db00c 3335 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT
3336
3337 hci_dev_lock(hdev);
3338
4f72b329
AK
3339 if (ev->status) {
3340 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
3341 if (!conn)
3342 goto unlock;
3343
3344 mgmt_connect_failed(hdev, &conn->dst, conn->type,
3345 conn->dst_type, ev->status);
3346 hci_proto_connect_cfm(conn, ev->status);
3347 conn->state = BT_CLOSED;
3348 hci_conn_del(conn);
3349 goto unlock;
3350 }
3351
fcd89c09 3352 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr);
b62f328b
VT
3353 if (!conn) {
3354 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
3355 if (!conn) {
3356 BT_ERR("No memory for new connection");
230fd16a 3357 goto unlock;
b62f328b 3358 }
29b7988a
AG
3359
3360 conn->dst_type = ev->bdaddr_type;
b9b343d2
AG
3361
3362 if (ev->role == LE_CONN_ROLE_MASTER) {
3363 conn->out = true;
3364 conn->link_mode |= HCI_LM_MASTER;
3365 }
b62f328b 3366 }
fcd89c09 3367
b644ba33
JH
3368 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3369 mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
04124681 3370 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 3371
7b5c0d52 3372 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT
3373 conn->handle = __le16_to_cpu(ev->handle);
3374 conn->state = BT_CONNECTED;
3375
3376 hci_conn_hold_device(conn);
3377 hci_conn_add_sysfs(conn);
3378
3379 hci_proto_connect_cfm(conn, ev->status);
3380
3381unlock:
3382 hci_dev_unlock(hdev);
3383}
3384
6039aa73 3385static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 3386{
e95beb41
AG
3387 u8 num_reports = skb->data[0];
3388 void *ptr = &skb->data[1];
3c9e9195 3389 s8 rssi;
9aa04c91
AG
3390
3391 hci_dev_lock(hdev);
3392
e95beb41
AG
3393 while (num_reports--) {
3394 struct hci_ev_le_advertising_info *ev = ptr;
9aa04c91 3395
3c9e9195
AG
3396 rssi = ev->data[ev->length];
3397 mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
04124681 3398 NULL, rssi, 0, 1, ev->data, ev->length);
3c9e9195 3399
e95beb41 3400 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91
AG
3401 }
3402
3403 hci_dev_unlock(hdev);
3404}
3405
6039aa73 3406static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG
3407{
3408 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
3409 struct hci_cp_le_ltk_reply cp;
bea710fe 3410 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 3411 struct hci_conn *conn;
c9839a11 3412 struct smp_ltk *ltk;
a7a595f6 3413
9f1db00c 3414 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG
3415
3416 hci_dev_lock(hdev);
3417
3418 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG
3419 if (conn == NULL)
3420 goto not_found;
a7a595f6 3421
bea710fe
VCG
3422 ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
3423 if (ltk == NULL)
3424 goto not_found;
3425
3426 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 3427 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG
3428
3429 if (ltk->authenticated)
3430 conn->sec_level = BT_SECURITY_HIGH;
a7a595f6
VCG
3431
3432 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
3433
c9839a11
VCG
3434 if (ltk->type & HCI_SMP_STK) {
3435 list_del(&ltk->list);
3436 kfree(ltk);
3437 }
3438
a7a595f6 3439 hci_dev_unlock(hdev);
bea710fe
VCG
3440
3441 return;
3442
3443not_found:
3444 neg.handle = ev->handle;
3445 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
3446 hci_dev_unlock(hdev);
a7a595f6
VCG
3447}
3448
6039aa73 3449static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT
3450{
3451 struct hci_ev_le_meta *le_ev = (void *) skb->data;
3452
3453 skb_pull(skb, sizeof(*le_ev));
3454
3455 switch (le_ev->subevent) {
3456 case HCI_EV_LE_CONN_COMPLETE:
3457 hci_le_conn_complete_evt(hdev, skb);
3458 break;
3459
9aa04c91
AG
3460 case HCI_EV_LE_ADVERTISING_REPORT:
3461 hci_le_adv_report_evt(hdev, skb);
3462 break;
3463
a7a595f6
VCG
3464 case HCI_EV_LE_LTK_REQ:
3465 hci_le_ltk_request_evt(hdev, skb);
3466 break;
3467
fcd89c09
VT
3468 default:
3469 break;
3470 }
3471}
3472
a9de9248
MH
3473void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
3474{
3475 struct hci_event_hdr *hdr = (void *) skb->data;
3476 __u8 event = hdr->evt;
3477
3478 skb_pull(skb, HCI_EVENT_HDR_SIZE);
3479
3480 switch (event) {
1da177e4
LT
3481 case HCI_EV_INQUIRY_COMPLETE:
3482 hci_inquiry_complete_evt(hdev, skb);
3483 break;
3484
3485 case HCI_EV_INQUIRY_RESULT:
3486 hci_inquiry_result_evt(hdev, skb);
3487 break;
3488
a9de9248
MH
3489 case HCI_EV_CONN_COMPLETE:
3490 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH
3491 break;
3492
1da177e4
LT
3493 case HCI_EV_CONN_REQUEST:
3494 hci_conn_request_evt(hdev, skb);
3495 break;
3496
1da177e4
LT
3497 case HCI_EV_DISCONN_COMPLETE:
3498 hci_disconn_complete_evt(hdev, skb);
3499 break;
3500
1da177e4
LT
3501 case HCI_EV_AUTH_COMPLETE:
3502 hci_auth_complete_evt(hdev, skb);
3503 break;
3504
a9de9248
MH
3505 case HCI_EV_REMOTE_NAME:
3506 hci_remote_name_evt(hdev, skb);
3507 break;
3508
1da177e4
LT
3509 case HCI_EV_ENCRYPT_CHANGE:
3510 hci_encrypt_change_evt(hdev, skb);
3511 break;
3512
a9de9248
MH
3513 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
3514 hci_change_link_key_complete_evt(hdev, skb);
3515 break;
3516
3517 case HCI_EV_REMOTE_FEATURES:
3518 hci_remote_features_evt(hdev, skb);
3519 break;
3520
3521 case HCI_EV_REMOTE_VERSION:
3522 hci_remote_version_evt(hdev, skb);
3523 break;
3524
3525 case HCI_EV_QOS_SETUP_COMPLETE:
3526 hci_qos_setup_complete_evt(hdev, skb);
3527 break;
3528
3529 case HCI_EV_CMD_COMPLETE:
3530 hci_cmd_complete_evt(hdev, skb);
3531 break;
3532
3533 case HCI_EV_CMD_STATUS:
3534 hci_cmd_status_evt(hdev, skb);
3535 break;
3536
3537 case HCI_EV_ROLE_CHANGE:
3538 hci_role_change_evt(hdev, skb);
3539 break;
3540
3541 case HCI_EV_NUM_COMP_PKTS:
3542 hci_num_comp_pkts_evt(hdev, skb);
3543 break;
3544
3545 case HCI_EV_MODE_CHANGE:
3546 hci_mode_change_evt(hdev, skb);
1da177e4
LT
3547 break;
3548
3549 case HCI_EV_PIN_CODE_REQ:
3550 hci_pin_code_request_evt(hdev, skb);
3551 break;
3552
3553 case HCI_EV_LINK_KEY_REQ:
3554 hci_link_key_request_evt(hdev, skb);
3555 break;
3556
3557 case HCI_EV_LINK_KEY_NOTIFY:
3558 hci_link_key_notify_evt(hdev, skb);
3559 break;
3560
3561 case HCI_EV_CLOCK_OFFSET:
3562 hci_clock_offset_evt(hdev, skb);
3563 break;
3564
a8746417
MH
3565 case HCI_EV_PKT_TYPE_CHANGE:
3566 hci_pkt_type_change_evt(hdev, skb);
3567 break;
3568
85a1e930
MH
3569 case HCI_EV_PSCAN_REP_MODE:
3570 hci_pscan_rep_mode_evt(hdev, skb);
3571 break;
3572
a9de9248
MH
3573 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
3574 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH
3575 break;
3576
a9de9248
MH
3577 case HCI_EV_REMOTE_EXT_FEATURES:
3578 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT
3579 break;
3580
a9de9248
MH
3581 case HCI_EV_SYNC_CONN_COMPLETE:
3582 hci_sync_conn_complete_evt(hdev, skb);
3583 break;
1da177e4 3584
a9de9248
MH
3585 case HCI_EV_SYNC_CONN_CHANGED:
3586 hci_sync_conn_changed_evt(hdev, skb);
3587 break;
1da177e4 3588
a9de9248
MH
3589 case HCI_EV_SNIFF_SUBRATE:
3590 hci_sniff_subrate_evt(hdev, skb);
3591 break;
1da177e4 3592
a9de9248
MH
3593 case HCI_EV_EXTENDED_INQUIRY_RESULT:
3594 hci_extended_inquiry_result_evt(hdev, skb);
3595 break;
1da177e4 3596
1c2e0041
JH
3597 case HCI_EV_KEY_REFRESH_COMPLETE:
3598 hci_key_refresh_complete_evt(hdev, skb);
3599 break;
3600
0493684e
MH
3601 case HCI_EV_IO_CAPA_REQUEST:
3602 hci_io_capa_request_evt(hdev, skb);
3603 break;
3604
03b555e1
JH
3605 case HCI_EV_IO_CAPA_REPLY:
3606 hci_io_capa_reply_evt(hdev, skb);
3607 break;
3608
a5c29683
JH
3609 case HCI_EV_USER_CONFIRM_REQUEST:
3610 hci_user_confirm_request_evt(hdev, skb);
3611 break;
3612
1143d458
BG
3613 case HCI_EV_USER_PASSKEY_REQUEST:
3614 hci_user_passkey_request_evt(hdev, skb);
3615 break;
3616
0493684e
MH
3617 case HCI_EV_SIMPLE_PAIR_COMPLETE:
3618 hci_simple_pair_complete_evt(hdev, skb);
3619 break;
3620
41a96212
MH
3621 case HCI_EV_REMOTE_HOST_FEATURES:
3622 hci_remote_host_features_evt(hdev, skb);
3623 break;
3624
fcd89c09
VT
3625 case HCI_EV_LE_META:
3626 hci_le_meta_evt(hdev, skb);
3627 break;
3628
2763eda6
SJ
3629 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
3630 hci_remote_oob_data_request_evt(hdev, skb);
3631 break;
3632
25e89e99
AE
3633 case HCI_EV_NUM_COMP_BLOCKS:
3634 hci_num_comp_blocks_evt(hdev, skb);
3635 break;
3636
a9de9248 3637 default:
9f1db00c 3638 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT
3639 break;
3640 }
3641
3642 kfree_skb(skb);
3643 hdev->stat.evt_rx++;
3644}