Bluetooth: Lookup hci_conn in hci_le_conn_complete_evt
[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{
fcd89c09
VT
1617 struct hci_conn *conn;
1618
9f1db00c 1619 BT_DBG("%s status 0x%2.2x", hdev->name, status);
fcd89c09 1620
f00a06ac
AG
1621 if (status) {
1622 hci_dev_lock(hdev);
fcd89c09 1623
0c95ab78 1624 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
f00a06ac
AG
1625 if (!conn) {
1626 hci_dev_unlock(hdev);
1627 return;
1628 }
fcd89c09 1629
0c95ab78 1630 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&conn->dst),
f00a06ac 1631 conn);
fcd89c09 1632
f00a06ac 1633 conn->state = BT_CLOSED;
0c95ab78 1634 mgmt_connect_failed(hdev, &conn->dst, conn->type,
f00a06ac
AG
1635 conn->dst_type, status);
1636 hci_proto_connect_cfm(conn, status);
1637 hci_conn_del(conn);
fcd89c09 1638
f00a06ac
AG
1639 hci_dev_unlock(hdev);
1640 }
fcd89c09
VT
1641}
1642
a7a595f6
VCG
1643static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1644{
9f1db00c 1645 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a7a595f6
VCG
1646}
1647
6039aa73 1648static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT
1649{
1650 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH
1651 struct discovery_state *discov = &hdev->discovery;
1652 struct inquiry_entry *e;
1da177e4 1653
9f1db00c 1654 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1655
23bb5763 1656 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
6bd57416 1657
a9de9248 1658 hci_conn_check_pending(hdev);
89352e7d
AG
1659
1660 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1661 return;
1662
a8b2d5c2 1663 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH
1664 return;
1665
56e5cb86 1666 hci_dev_lock(hdev);
30dc78e1 1667
343f935b 1668 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH
1669 goto unlock;
1670
1671 if (list_empty(&discov->resolve)) {
1672 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1673 goto unlock;
1674 }
1675
1676 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1677 if (e && hci_resolve_name(hdev, e) == 0) {
1678 e->name_state = NAME_PENDING;
1679 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1680 } else {
1681 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1682 }
1683
1684unlock:
56e5cb86 1685 hci_dev_unlock(hdev);
1da177e4
LT
1686}
1687
6039aa73 1688static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1689{
45bb4bf0 1690 struct inquiry_data data;
a9de9248 1691 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT
1692 int num_rsp = *((__u8 *) skb->data);
1693
1694 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1695
45bb4bf0
MH
1696 if (!num_rsp)
1697 return;
1698
1519cc17
AG
1699 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1700 return;
1701
1da177e4 1702 hci_dev_lock(hdev);
45bb4bf0 1703
e17acd40 1704 for (; num_rsp; num_rsp--, info++) {
388fc8fa 1705 bool name_known, ssp;
3175405b 1706
1da177e4
LT
1707 bacpy(&data.bdaddr, &info->bdaddr);
1708 data.pscan_rep_mode = info->pscan_rep_mode;
1709 data.pscan_period_mode = info->pscan_period_mode;
1710 data.pscan_mode = info->pscan_mode;
1711 memcpy(data.dev_class, info->dev_class, 3);
1712 data.clock_offset = info->clock_offset;
1713 data.rssi = 0x00;
41a96212 1714 data.ssp_mode = 0x00;
3175405b 1715
388fc8fa 1716 name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
48264f06 1717 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
1718 info->dev_class, 0, !name_known, ssp, NULL,
1719 0);
1da177e4 1720 }
45bb4bf0 1721
1da177e4
LT
1722 hci_dev_unlock(hdev);
1723}
1724
6039aa73 1725static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1726{
a9de9248
MH
1727 struct hci_ev_conn_complete *ev = (void *) skb->data;
1728 struct hci_conn *conn;
1da177e4
LT
1729
1730 BT_DBG("%s", hdev->name);
1731
1732 hci_dev_lock(hdev);
1733
1734 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH
1735 if (!conn) {
1736 if (ev->link_type != SCO_LINK)
1737 goto unlock;
1738
1739 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1740 if (!conn)
1741 goto unlock;
1742
1743 conn->type = SCO_LINK;
1744 }
1da177e4
LT
1745
1746 if (!ev->status) {
1747 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH
1748
1749 if (conn->type == ACL_LINK) {
1750 conn->state = BT_CONFIG;
1751 hci_conn_hold(conn);
052b30b0 1752 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH
1753 } else
1754 conn->state = BT_CONNECTED;
1da177e4 1755
9eba32b8 1756 hci_conn_hold_device(conn);
7d0db0a3
MH
1757 hci_conn_add_sysfs(conn);
1758
1da177e4
LT
1759 if (test_bit(HCI_AUTH, &hdev->flags))
1760 conn->link_mode |= HCI_LM_AUTH;
1761
1762 if (test_bit(HCI_ENCRYPT, &hdev->flags))
1763 conn->link_mode |= HCI_LM_ENCRYPT;
1764
04837f64
MH
1765 /* Get remote features */
1766 if (conn->type == ACL_LINK) {
1767 struct hci_cp_read_remote_features cp;
1768 cp.handle = ev->handle;
769be974 1769 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 1770 sizeof(cp), &cp);
04837f64
MH
1771 }
1772
1da177e4 1773 /* Set packet type for incoming connection */
d095c1eb 1774 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT
1775 struct hci_cp_change_conn_ptype cp;
1776 cp.handle = ev->handle;
a8746417 1777 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP
1778 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
1779 &cp);
1da177e4 1780 }
17d5c04c 1781 } else {
1da177e4 1782 conn->state = BT_CLOSED;
17d5c04c 1783 if (conn->type == ACL_LINK)
744cf19e 1784 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
04124681 1785 conn->dst_type, ev->status);
17d5c04c 1786 }
1da177e4 1787
e73439d8
MH
1788 if (conn->type == ACL_LINK)
1789 hci_sco_setup(conn, ev->status);
1da177e4 1790
769be974
MH
1791 if (ev->status) {
1792 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1793 hci_conn_del(conn);
c89b6e6b
MH
1794 } else if (ev->link_type != ACL_LINK)
1795 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1796
a9de9248 1797unlock:
1da177e4 1798 hci_dev_unlock(hdev);
1da177e4 1799
a9de9248 1800 hci_conn_check_pending(hdev);
1da177e4
LT
1801}
1802
6039aa73 1803static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1804{
a9de9248
MH
1805 struct hci_ev_conn_request *ev = (void *) skb->data;
1806 int mask = hdev->link_mode;
1da177e4 1807
807deac2
GP
1808 BT_DBG("%s bdaddr %s type 0x%x", hdev->name, batostr(&ev->bdaddr),
1809 ev->link_type);
1da177e4 1810
a9de9248 1811 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
1da177e4 1812
138d22ef 1813 if ((mask & HCI_LM_ACCEPT) &&
807deac2 1814 !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
a9de9248 1815 /* Connection accepted */
c7bdd502 1816 struct inquiry_entry *ie;
1da177e4 1817 struct hci_conn *conn;
1da177e4 1818
a9de9248 1819 hci_dev_lock(hdev);
b6a0dc82 1820
cc11b9c1
AE
1821 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
1822 if (ie)
c7bdd502
MH
1823 memcpy(ie->data.dev_class, ev->dev_class, 3);
1824
8fc9ced3
GP
1825 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
1826 &ev->bdaddr);
a9de9248 1827 if (!conn) {
cc11b9c1
AE
1828 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
1829 if (!conn) {
893ef971 1830 BT_ERR("No memory for new connection");
a9de9248
MH
1831 hci_dev_unlock(hdev);
1832 return;
1da177e4
LT
1833 }
1834 }
b6a0dc82 1835
a9de9248
MH
1836 memcpy(conn->dev_class, ev->dev_class, 3);
1837 conn->state = BT_CONNECT;
b6a0dc82 1838
a9de9248 1839 hci_dev_unlock(hdev);
1da177e4 1840
b6a0dc82
MH
1841 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
1842 struct hci_cp_accept_conn_req cp;
1da177e4 1843
b6a0dc82
MH
1844 bacpy(&cp.bdaddr, &ev->bdaddr);
1845
1846 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
1847 cp.role = 0x00; /* Become master */
1848 else
1849 cp.role = 0x01; /* Remain slave */
1850
04124681
GP
1851 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
1852 &cp);
b6a0dc82
MH
1853 } else {
1854 struct hci_cp_accept_sync_conn_req cp;
1855
1856 bacpy(&cp.bdaddr, &ev->bdaddr);
a8746417 1857 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 1858
82781e63
AE
1859 cp.tx_bandwidth = __constant_cpu_to_le32(0x00001f40);
1860 cp.rx_bandwidth = __constant_cpu_to_le32(0x00001f40);
1861 cp.max_latency = __constant_cpu_to_le16(0xffff);
b6a0dc82
MH
1862 cp.content_format = cpu_to_le16(hdev->voice_setting);
1863 cp.retrans_effort = 0xff;
1da177e4 1864
b6a0dc82 1865 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
04124681 1866 sizeof(cp), &cp);
b6a0dc82 1867 }
a9de9248
MH
1868 } else {
1869 /* Connection rejected */
1870 struct hci_cp_reject_conn_req cp;
1da177e4 1871
a9de9248 1872 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 1873 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
a9de9248 1874 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
1da177e4 1875 }
1da177e4
LT
1876}
1877
6039aa73 1878static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 1879{
a9de9248 1880 struct hci_ev_disconn_complete *ev = (void *) skb->data;
04837f64
MH
1881 struct hci_conn *conn;
1882
9f1db00c 1883 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH
1884
1885 hci_dev_lock(hdev);
1886
1887 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH
1888 if (!conn)
1889 goto unlock;
7d0db0a3 1890
37d9ef76
JH
1891 if (ev->status == 0)
1892 conn->state = BT_CLOSED;
04837f64 1893
b644ba33 1894 if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
807deac2 1895 (conn->type == ACL_LINK || conn->type == LE_LINK)) {
37d9ef76 1896 if (ev->status != 0)
88c3df13 1897 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
807deac2 1898 conn->dst_type, ev->status);
37d9ef76 1899 else
afc747a6 1900 mgmt_device_disconnected(hdev, &conn->dst, conn->type,
04124681 1901 conn->dst_type);
37d9ef76 1902 }
f7520543 1903
37d9ef76 1904 if (ev->status == 0) {
6ec5bcad
VA
1905 if (conn->type == ACL_LINK && conn->flush_key)
1906 hci_remove_link_key(hdev, &conn->dst);
37d9ef76
JH
1907 hci_proto_disconn_cfm(conn, ev->reason);
1908 hci_conn_del(conn);
1909 }
f7520543
JH
1910
1911unlock:
04837f64
MH
1912 hci_dev_unlock(hdev);
1913}
1914
6039aa73 1915static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1916{
a9de9248 1917 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 1918 struct hci_conn *conn;
1da177e4 1919
9f1db00c 1920 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
1921
1922 hci_dev_lock(hdev);
1923
04837f64 1924 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR
1925 if (!conn)
1926 goto unlock;
1927
1928 if (!ev->status) {
aa64a8b5 1929 if (!hci_conn_ssp_enabled(conn) &&
807deac2 1930 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 1931 BT_INFO("re-auth of legacy device is not possible.");
2a611692 1932 } else {
d7556e20
WR
1933 conn->link_mode |= HCI_LM_AUTH;
1934 conn->sec_level = conn->pending_sec_level;
2a611692 1935 }
d7556e20 1936 } else {
bab73cb6 1937 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 1938 ev->status);
d7556e20 1939 }
1da177e4 1940
51a8efd7
JH
1941 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1942 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 1943
d7556e20 1944 if (conn->state == BT_CONFIG) {
aa64a8b5 1945 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR
1946 struct hci_cp_set_conn_encrypt cp;
1947 cp.handle = ev->handle;
1948 cp.encrypt = 0x01;
1949 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 1950 &cp);
052b30b0 1951 } else {
d7556e20
WR
1952 conn->state = BT_CONNECTED;
1953 hci_proto_connect_cfm(conn, ev->status);
052b30b0
MH
1954 hci_conn_put(conn);
1955 }
d7556e20
WR
1956 } else {
1957 hci_auth_cfm(conn, ev->status);
052b30b0 1958
d7556e20
WR
1959 hci_conn_hold(conn);
1960 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1961 hci_conn_put(conn);
1962 }
1963
51a8efd7 1964 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR
1965 if (!ev->status) {
1966 struct hci_cp_set_conn_encrypt cp;
1967 cp.handle = ev->handle;
1968 cp.encrypt = 0x01;
1969 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 1970 &cp);
d7556e20 1971 } else {
51a8efd7 1972 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 1973 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT
1974 }
1975 }
1976
d7556e20 1977unlock:
1da177e4
LT
1978 hci_dev_unlock(hdev);
1979}
1980
6039aa73 1981static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1982{
127178d2
JH
1983 struct hci_ev_remote_name *ev = (void *) skb->data;
1984 struct hci_conn *conn;
1985
a9de9248 1986 BT_DBG("%s", hdev->name);
1da177e4 1987
a9de9248 1988 hci_conn_check_pending(hdev);
127178d2
JH
1989
1990 hci_dev_lock(hdev);
1991
b644ba33 1992 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 1993
b644ba33
JH
1994 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
1995 goto check_auth;
a88a9652 1996
b644ba33
JH
1997 if (ev->status == 0)
1998 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 1999 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH
2000 else
2001 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2002
2003check_auth:
79c6c70c
JH
2004 if (!conn)
2005 goto unlock;
2006
2007 if (!hci_outgoing_auth_needed(hdev, conn))
2008 goto unlock;
2009
51a8efd7 2010 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH
2011 struct hci_cp_auth_requested cp;
2012 cp.handle = __cpu_to_le16(conn->handle);
2013 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2014 }
2015
79c6c70c 2016unlock:
127178d2 2017 hci_dev_unlock(hdev);
a9de9248
MH
2018}
2019
6039aa73 2020static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2021{
2022 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2023 struct hci_conn *conn;
2024
9f1db00c 2025 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2026
2027 hci_dev_lock(hdev);
2028
04837f64 2029 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2030 if (conn) {
2031 if (!ev->status) {
ae293196
MH
2032 if (ev->encrypt) {
2033 /* Encryption implies authentication */
2034 conn->link_mode |= HCI_LM_AUTH;
1da177e4 2035 conn->link_mode |= HCI_LM_ENCRYPT;
da85e5e5 2036 conn->sec_level = conn->pending_sec_level;
ae293196 2037 } else
1da177e4
LT
2038 conn->link_mode &= ~HCI_LM_ENCRYPT;
2039 }
2040
51a8efd7 2041 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
1da177e4 2042
a7d7723a 2043 if (ev->status && conn->state == BT_CONNECTED) {
d839c813 2044 hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
a7d7723a
GP
2045 hci_conn_put(conn);
2046 goto unlock;
2047 }
2048
f8558555
MH
2049 if (conn->state == BT_CONFIG) {
2050 if (!ev->status)
2051 conn->state = BT_CONNECTED;
2052
2053 hci_proto_connect_cfm(conn, ev->status);
2054 hci_conn_put(conn);
2055 } else
2056 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
1da177e4
LT
2057 }
2058
a7d7723a 2059unlock:
1da177e4
LT
2060 hci_dev_unlock(hdev);
2061}
2062
6039aa73
GP
2063static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2064 struct sk_buff *skb)
1da177e4 2065{
a9de9248 2066 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2067 struct hci_conn *conn;
1da177e4 2068
9f1db00c 2069 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2070
2071 hci_dev_lock(hdev);
2072
04837f64 2073 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2074 if (conn) {
2075 if (!ev->status)
2076 conn->link_mode |= HCI_LM_SECURE;
2077
51a8efd7 2078 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT
2079
2080 hci_key_change_cfm(conn, ev->status);
2081 }
2082
2083 hci_dev_unlock(hdev);
2084}
2085
6039aa73
GP
2086static void hci_remote_features_evt(struct hci_dev *hdev,
2087 struct sk_buff *skb)
1da177e4 2088{
a9de9248
MH
2089 struct hci_ev_remote_features *ev = (void *) skb->data;
2090 struct hci_conn *conn;
2091
9f1db00c 2092 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2093
a9de9248
MH
2094 hci_dev_lock(hdev);
2095
2096 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
2097 if (!conn)
2098 goto unlock;
769be974 2099
ccd556fe
JH
2100 if (!ev->status)
2101 memcpy(conn->features, ev->features, 8);
2102
2103 if (conn->state != BT_CONFIG)
2104 goto unlock;
2105
2106 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2107 struct hci_cp_read_remote_ext_features cp;
2108 cp.handle = ev->handle;
2109 cp.page = 0x01;
2110 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2111 sizeof(cp), &cp);
392599b9
JH
2112 goto unlock;
2113 }
2114
671267bf 2115 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH
2116 struct hci_cp_remote_name_req cp;
2117 memset(&cp, 0, sizeof(cp));
2118 bacpy(&cp.bdaddr, &conn->dst);
2119 cp.pscan_rep_mode = 0x02;
2120 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH
2121 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2122 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP
2123 conn->dst_type, 0, NULL, 0,
2124 conn->dev_class);
392599b9 2125
127178d2 2126 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
2127 conn->state = BT_CONNECTED;
2128 hci_proto_connect_cfm(conn, ev->status);
2129 hci_conn_put(conn);
769be974 2130 }
a9de9248 2131
ccd556fe 2132unlock:
a9de9248 2133 hci_dev_unlock(hdev);
1da177e4
LT
2134}
2135
6039aa73 2136static void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2137{
a9de9248 2138 BT_DBG("%s", hdev->name);
1da177e4
LT
2139}
2140
6039aa73
GP
2141static void hci_qos_setup_complete_evt(struct hci_dev *hdev,
2142 struct sk_buff *skb)
1da177e4 2143{
a9de9248 2144 BT_DBG("%s", hdev->name);
1da177e4
LT
2145}
2146
6039aa73 2147static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2148{
2149 struct hci_ev_cmd_complete *ev = (void *) skb->data;
2150 __u16 opcode;
2151
2152 skb_pull(skb, sizeof(*ev));
2153
2154 opcode = __le16_to_cpu(ev->opcode);
2155
2156 switch (opcode) {
2157 case HCI_OP_INQUIRY_CANCEL:
2158 hci_cc_inquiry_cancel(hdev, skb);
2159 break;
2160
4d93483b
AG
2161 case HCI_OP_PERIODIC_INQ:
2162 hci_cc_periodic_inq(hdev, skb);
2163 break;
2164
a9de9248
MH
2165 case HCI_OP_EXIT_PERIODIC_INQ:
2166 hci_cc_exit_periodic_inq(hdev, skb);
2167 break;
2168
2169 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2170 hci_cc_remote_name_req_cancel(hdev, skb);
2171 break;
2172
2173 case HCI_OP_ROLE_DISCOVERY:
2174 hci_cc_role_discovery(hdev, skb);
2175 break;
2176
e4e8e37c
MH
2177 case HCI_OP_READ_LINK_POLICY:
2178 hci_cc_read_link_policy(hdev, skb);
2179 break;
2180
a9de9248
MH
2181 case HCI_OP_WRITE_LINK_POLICY:
2182 hci_cc_write_link_policy(hdev, skb);
2183 break;
2184
e4e8e37c
MH
2185 case HCI_OP_READ_DEF_LINK_POLICY:
2186 hci_cc_read_def_link_policy(hdev, skb);
2187 break;
2188
2189 case HCI_OP_WRITE_DEF_LINK_POLICY:
2190 hci_cc_write_def_link_policy(hdev, skb);
2191 break;
2192
a9de9248
MH
2193 case HCI_OP_RESET:
2194 hci_cc_reset(hdev, skb);
2195 break;
2196
2197 case HCI_OP_WRITE_LOCAL_NAME:
2198 hci_cc_write_local_name(hdev, skb);
2199 break;
2200
2201 case HCI_OP_READ_LOCAL_NAME:
2202 hci_cc_read_local_name(hdev, skb);
2203 break;
2204
2205 case HCI_OP_WRITE_AUTH_ENABLE:
2206 hci_cc_write_auth_enable(hdev, skb);
2207 break;
2208
2209 case HCI_OP_WRITE_ENCRYPT_MODE:
2210 hci_cc_write_encrypt_mode(hdev, skb);
2211 break;
2212
2213 case HCI_OP_WRITE_SCAN_ENABLE:
2214 hci_cc_write_scan_enable(hdev, skb);
2215 break;
2216
2217 case HCI_OP_READ_CLASS_OF_DEV:
2218 hci_cc_read_class_of_dev(hdev, skb);
2219 break;
2220
2221 case HCI_OP_WRITE_CLASS_OF_DEV:
2222 hci_cc_write_class_of_dev(hdev, skb);
2223 break;
2224
2225 case HCI_OP_READ_VOICE_SETTING:
2226 hci_cc_read_voice_setting(hdev, skb);
2227 break;
2228
2229 case HCI_OP_WRITE_VOICE_SETTING:
2230 hci_cc_write_voice_setting(hdev, skb);
2231 break;
2232
2233 case HCI_OP_HOST_BUFFER_SIZE:
2234 hci_cc_host_buffer_size(hdev, skb);
2235 break;
2236
333140b5
MH
2237 case HCI_OP_WRITE_SSP_MODE:
2238 hci_cc_write_ssp_mode(hdev, skb);
2239 break;
2240
a9de9248
MH
2241 case HCI_OP_READ_LOCAL_VERSION:
2242 hci_cc_read_local_version(hdev, skb);
2243 break;
2244
2245 case HCI_OP_READ_LOCAL_COMMANDS:
2246 hci_cc_read_local_commands(hdev, skb);
2247 break;
2248
2249 case HCI_OP_READ_LOCAL_FEATURES:
2250 hci_cc_read_local_features(hdev, skb);
2251 break;
2252
971e3a4b
AG
2253 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2254 hci_cc_read_local_ext_features(hdev, skb);
2255 break;
2256
a9de9248
MH
2257 case HCI_OP_READ_BUFFER_SIZE:
2258 hci_cc_read_buffer_size(hdev, skb);
2259 break;
2260
2261 case HCI_OP_READ_BD_ADDR:
2262 hci_cc_read_bd_addr(hdev, skb);
2263 break;
2264
350ee4cf
AE
2265 case HCI_OP_READ_DATA_BLOCK_SIZE:
2266 hci_cc_read_data_block_size(hdev, skb);
2267 break;
2268
23bb5763
JH
2269 case HCI_OP_WRITE_CA_TIMEOUT:
2270 hci_cc_write_ca_timeout(hdev, skb);
2271 break;
2272
1e89cffb
AE
2273 case HCI_OP_READ_FLOW_CONTROL_MODE:
2274 hci_cc_read_flow_control_mode(hdev, skb);
2275 break;
2276
928abaa7
AE
2277 case HCI_OP_READ_LOCAL_AMP_INFO:
2278 hci_cc_read_local_amp_info(hdev, skb);
2279 break;
2280
b0916ea0
JH
2281 case HCI_OP_DELETE_STORED_LINK_KEY:
2282 hci_cc_delete_stored_link_key(hdev, skb);
2283 break;
2284
d5859e22
JH
2285 case HCI_OP_SET_EVENT_MASK:
2286 hci_cc_set_event_mask(hdev, skb);
2287 break;
2288
2289 case HCI_OP_WRITE_INQUIRY_MODE:
2290 hci_cc_write_inquiry_mode(hdev, skb);
2291 break;
2292
2293 case HCI_OP_READ_INQ_RSP_TX_POWER:
2294 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2295 break;
2296
2297 case HCI_OP_SET_EVENT_FLT:
2298 hci_cc_set_event_flt(hdev, skb);
2299 break;
2300
980e1a53
JH
2301 case HCI_OP_PIN_CODE_REPLY:
2302 hci_cc_pin_code_reply(hdev, skb);
2303 break;
2304
2305 case HCI_OP_PIN_CODE_NEG_REPLY:
2306 hci_cc_pin_code_neg_reply(hdev, skb);
2307 break;
2308
c35938b2
SJ
2309 case HCI_OP_READ_LOCAL_OOB_DATA:
2310 hci_cc_read_local_oob_data_reply(hdev, skb);
2311 break;
2312
6ed58ec5
VT
2313 case HCI_OP_LE_READ_BUFFER_SIZE:
2314 hci_cc_le_read_buffer_size(hdev, skb);
2315 break;
2316
a5c29683
JH
2317 case HCI_OP_USER_CONFIRM_REPLY:
2318 hci_cc_user_confirm_reply(hdev, skb);
2319 break;
2320
2321 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2322 hci_cc_user_confirm_neg_reply(hdev, skb);
2323 break;
2324
1143d458
BG
2325 case HCI_OP_USER_PASSKEY_REPLY:
2326 hci_cc_user_passkey_reply(hdev, skb);
2327 break;
2328
2329 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2330 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2331 break;
07f7fa5d
AG
2332
2333 case HCI_OP_LE_SET_SCAN_PARAM:
2334 hci_cc_le_set_scan_param(hdev, skb);
1143d458
BG
2335 break;
2336
eb9d91f5
AG
2337 case HCI_OP_LE_SET_SCAN_ENABLE:
2338 hci_cc_le_set_scan_enable(hdev, skb);
2339 break;
2340
a7a595f6
VCG
2341 case HCI_OP_LE_LTK_REPLY:
2342 hci_cc_le_ltk_reply(hdev, skb);
2343 break;
2344
2345 case HCI_OP_LE_LTK_NEG_REPLY:
2346 hci_cc_le_ltk_neg_reply(hdev, skb);
2347 break;
2348
f9b49306
AG
2349 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2350 hci_cc_write_le_host_supported(hdev, skb);
2351 break;
2352
a9de9248 2353 default:
9f1db00c 2354 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH
2355 break;
2356 }
2357
6bd32326
VT
2358 if (ev->opcode != HCI_OP_NOP)
2359 del_timer(&hdev->cmd_timer);
2360
a9de9248
MH
2361 if (ev->ncmd) {
2362 atomic_set(&hdev->cmd_cnt, 1);
2363 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2364 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH
2365 }
2366}
2367
6039aa73 2368static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2369{
2370 struct hci_ev_cmd_status *ev = (void *) skb->data;
2371 __u16 opcode;
2372
2373 skb_pull(skb, sizeof(*ev));
2374
2375 opcode = __le16_to_cpu(ev->opcode);
2376
2377 switch (opcode) {
2378 case HCI_OP_INQUIRY:
2379 hci_cs_inquiry(hdev, ev->status);
2380 break;
2381
2382 case HCI_OP_CREATE_CONN:
2383 hci_cs_create_conn(hdev, ev->status);
2384 break;
2385
2386 case HCI_OP_ADD_SCO:
2387 hci_cs_add_sco(hdev, ev->status);
2388 break;
2389
f8558555
MH
2390 case HCI_OP_AUTH_REQUESTED:
2391 hci_cs_auth_requested(hdev, ev->status);
2392 break;
2393
2394 case HCI_OP_SET_CONN_ENCRYPT:
2395 hci_cs_set_conn_encrypt(hdev, ev->status);
2396 break;
2397
a9de9248
MH
2398 case HCI_OP_REMOTE_NAME_REQ:
2399 hci_cs_remote_name_req(hdev, ev->status);
2400 break;
2401
769be974
MH
2402 case HCI_OP_READ_REMOTE_FEATURES:
2403 hci_cs_read_remote_features(hdev, ev->status);
2404 break;
2405
2406 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2407 hci_cs_read_remote_ext_features(hdev, ev->status);
2408 break;
2409
a9de9248
MH
2410 case HCI_OP_SETUP_SYNC_CONN:
2411 hci_cs_setup_sync_conn(hdev, ev->status);
2412 break;
2413
2414 case HCI_OP_SNIFF_MODE:
2415 hci_cs_sniff_mode(hdev, ev->status);
2416 break;
2417
2418 case HCI_OP_EXIT_SNIFF_MODE:
2419 hci_cs_exit_sniff_mode(hdev, ev->status);
2420 break;
2421
8962ee74 2422 case HCI_OP_DISCONNECT:
88c3df13 2423 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH
2424 break;
2425
fcd89c09
VT
2426 case HCI_OP_LE_CREATE_CONN:
2427 hci_cs_le_create_conn(hdev, ev->status);
2428 break;
2429
a7a595f6
VCG
2430 case HCI_OP_LE_START_ENC:
2431 hci_cs_le_start_enc(hdev, ev->status);
2432 break;
2433
a9de9248 2434 default:
9f1db00c 2435 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH
2436 break;
2437 }
2438
6bd32326
VT
2439 if (ev->opcode != HCI_OP_NOP)
2440 del_timer(&hdev->cmd_timer);
2441
10572132 2442 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH
2443 atomic_set(&hdev->cmd_cnt, 1);
2444 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2445 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH
2446 }
2447}
2448
6039aa73 2449static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2450{
2451 struct hci_ev_role_change *ev = (void *) skb->data;
2452 struct hci_conn *conn;
2453
9f1db00c 2454 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH
2455
2456 hci_dev_lock(hdev);
2457
2458 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2459 if (conn) {
2460 if (!ev->status) {
2461 if (ev->role)
2462 conn->link_mode &= ~HCI_LM_MASTER;
2463 else
2464 conn->link_mode |= HCI_LM_MASTER;
2465 }
2466
51a8efd7 2467 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH
2468
2469 hci_role_switch_cfm(conn, ev->status, ev->role);
2470 }
2471
2472 hci_dev_unlock(hdev);
2473}
2474
6039aa73 2475static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2476{
2477 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH
2478 int i;
2479
32ac5b9b
AE
2480 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2481 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2482 return;
2483 }
2484
c5993de8 2485 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2486 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH
2487 BT_DBG("%s bad parameters", hdev->name);
2488 return;
2489 }
2490
c5993de8
AE
2491 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2492
613a1c0c
AE
2493 for (i = 0; i < ev->num_hndl; i++) {
2494 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH
2495 struct hci_conn *conn;
2496 __u16 handle, count;
2497
613a1c0c
AE
2498 handle = __le16_to_cpu(info->handle);
2499 count = __le16_to_cpu(info->count);
a9de9248
MH
2500
2501 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE
2502 if (!conn)
2503 continue;
2504
2505 conn->sent -= count;
2506
2507 switch (conn->type) {
2508 case ACL_LINK:
2509 hdev->acl_cnt += count;
2510 if (hdev->acl_cnt > hdev->acl_pkts)
2511 hdev->acl_cnt = hdev->acl_pkts;
2512 break;
2513
2514 case LE_LINK:
2515 if (hdev->le_pkts) {
2516 hdev->le_cnt += count;
2517 if (hdev->le_cnt > hdev->le_pkts)
2518 hdev->le_cnt = hdev->le_pkts;
2519 } else {
70f23020
AE
2520 hdev->acl_cnt += count;
2521 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2522 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2523 }
f4280918
AE
2524 break;
2525
2526 case SCO_LINK:
2527 hdev->sco_cnt += count;
2528 if (hdev->sco_cnt > hdev->sco_pkts)
2529 hdev->sco_cnt = hdev->sco_pkts;
2530 break;
2531
2532 default:
2533 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2534 break;
a9de9248
MH
2535 }
2536 }
2537
3eff45ea 2538 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH
2539}
2540
6039aa73 2541static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE
2542{
2543 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
2544 int i;
2545
2546 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
2547 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2548 return;
2549 }
2550
2551 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2552 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE
2553 BT_DBG("%s bad parameters", hdev->name);
2554 return;
2555 }
2556
2557 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 2558 ev->num_hndl);
25e89e99
AE
2559
2560 for (i = 0; i < ev->num_hndl; i++) {
2561 struct hci_comp_blocks_info *info = &ev->handles[i];
2562 struct hci_conn *conn;
2563 __u16 handle, block_count;
2564
2565 handle = __le16_to_cpu(info->handle);
2566 block_count = __le16_to_cpu(info->blocks);
2567
2568 conn = hci_conn_hash_lookup_handle(hdev, handle);
2569 if (!conn)
2570 continue;
2571
2572 conn->sent -= block_count;
2573
2574 switch (conn->type) {
2575 case ACL_LINK:
2576 hdev->block_cnt += block_count;
2577 if (hdev->block_cnt > hdev->num_blocks)
2578 hdev->block_cnt = hdev->num_blocks;
2579 break;
2580
2581 default:
2582 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2583 break;
2584 }
2585 }
2586
2587 queue_work(hdev->workqueue, &hdev->tx_work);
2588}
2589
6039aa73 2590static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2591{
a9de9248 2592 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH
2593 struct hci_conn *conn;
2594
9f1db00c 2595 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH
2596
2597 hci_dev_lock(hdev);
2598
2599 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH
2600 if (conn) {
2601 conn->mode = ev->mode;
2602 conn->interval = __le16_to_cpu(ev->interval);
2603
8fc9ced3
GP
2604 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
2605 &conn->flags)) {
a9de9248 2606 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 2607 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 2608 else
58a681ef 2609 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 2610 }
e73439d8 2611
51a8efd7 2612 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 2613 hci_sco_setup(conn, ev->status);
04837f64
MH
2614 }
2615
2616 hci_dev_unlock(hdev);
2617}
2618
6039aa73 2619static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2620{
052b30b0
MH
2621 struct hci_ev_pin_code_req *ev = (void *) skb->data;
2622 struct hci_conn *conn;
2623
a9de9248 2624 BT_DBG("%s", hdev->name);
052b30b0
MH
2625
2626 hci_dev_lock(hdev);
2627
2628 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR
2629 if (!conn)
2630 goto unlock;
2631
2632 if (conn->state == BT_CONNECTED) {
052b30b0
MH
2633 hci_conn_hold(conn);
2634 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2635 hci_conn_put(conn);
2636 }
2637
a8b2d5c2 2638 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 2639 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 2640 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 2641 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR
2642 u8 secure;
2643
2644 if (conn->pending_sec_level == BT_SECURITY_HIGH)
2645 secure = 1;
2646 else
2647 secure = 0;
2648
744cf19e 2649 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 2650 }
980e1a53 2651
b6f98044 2652unlock:
052b30b0 2653 hci_dev_unlock(hdev);
a9de9248
MH
2654}
2655
6039aa73 2656static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2657{
55ed8ca1
JH
2658 struct hci_ev_link_key_req *ev = (void *) skb->data;
2659 struct hci_cp_link_key_reply cp;
2660 struct hci_conn *conn;
2661 struct link_key *key;
2662
a9de9248 2663 BT_DBG("%s", hdev->name);
55ed8ca1 2664
a8b2d5c2 2665 if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
55ed8ca1
JH
2666 return;
2667
2668 hci_dev_lock(hdev);
2669
2670 key = hci_find_link_key(hdev, &ev->bdaddr);
2671 if (!key) {
2672 BT_DBG("%s link key not found for %s", hdev->name,
807deac2 2673 batostr(&ev->bdaddr));
55ed8ca1
JH
2674 goto not_found;
2675 }
2676
2677 BT_DBG("%s found key type %u for %s", hdev->name, key->type,
807deac2 2678 batostr(&ev->bdaddr));
55ed8ca1 2679
a8b2d5c2 2680 if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
807deac2 2681 key->type == HCI_LK_DEBUG_COMBINATION) {
55ed8ca1
JH
2682 BT_DBG("%s ignoring debug key", hdev->name);
2683 goto not_found;
2684 }
2685
2686 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57
WR
2687 if (conn) {
2688 if (key->type == HCI_LK_UNAUTH_COMBINATION &&
807deac2 2689 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR
2690 BT_DBG("%s ignoring unauthenticated key", hdev->name);
2691 goto not_found;
2692 }
55ed8ca1 2693
60b83f57 2694 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
807deac2 2695 conn->pending_sec_level == BT_SECURITY_HIGH) {
8fc9ced3
GP
2696 BT_DBG("%s ignoring key unauthenticated for high security",
2697 hdev->name);
60b83f57
WR
2698 goto not_found;
2699 }
2700
2701 conn->key_type = key->type;
2702 conn->pin_length = key->pin_len;
55ed8ca1
JH
2703 }
2704
2705 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 2706 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH
2707
2708 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
2709
2710 hci_dev_unlock(hdev);
2711
2712 return;
2713
2714not_found:
2715 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
2716 hci_dev_unlock(hdev);
a9de9248
MH
2717}
2718
6039aa73 2719static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2720{
052b30b0
MH
2721 struct hci_ev_link_key_notify *ev = (void *) skb->data;
2722 struct hci_conn *conn;
55ed8ca1 2723 u8 pin_len = 0;
052b30b0 2724
a9de9248 2725 BT_DBG("%s", hdev->name);
052b30b0
MH
2726
2727 hci_dev_lock(hdev);
2728
2729 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2730 if (conn) {
2731 hci_conn_hold(conn);
2732 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 2733 pin_len = conn->pin_length;
13d39315
WR
2734
2735 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
2736 conn->key_type = ev->key_type;
2737
052b30b0
MH
2738 hci_conn_put(conn);
2739 }
2740
a8b2d5c2 2741 if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
d25e28ab 2742 hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
807deac2 2743 ev->key_type, pin_len);
55ed8ca1 2744
052b30b0 2745 hci_dev_unlock(hdev);
a9de9248
MH
2746}
2747
6039aa73 2748static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2749{
a9de9248 2750 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 2751 struct hci_conn *conn;
1da177e4 2752
9f1db00c 2753 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2754
2755 hci_dev_lock(hdev);
2756
04837f64 2757 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2758 if (conn && !ev->status) {
2759 struct inquiry_entry *ie;
2760
cc11b9c1
AE
2761 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2762 if (ie) {
1da177e4
LT
2763 ie->data.clock_offset = ev->clock_offset;
2764 ie->timestamp = jiffies;
2765 }
2766 }
2767
2768 hci_dev_unlock(hdev);
2769}
2770
6039aa73 2771static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH
2772{
2773 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
2774 struct hci_conn *conn;
2775
9f1db00c 2776 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH
2777
2778 hci_dev_lock(hdev);
2779
2780 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2781 if (conn && !ev->status)
2782 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
2783
2784 hci_dev_unlock(hdev);
2785}
2786
6039aa73 2787static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 2788{
a9de9248 2789 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH
2790 struct inquiry_entry *ie;
2791
2792 BT_DBG("%s", hdev->name);
2793
2794 hci_dev_lock(hdev);
2795
cc11b9c1
AE
2796 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2797 if (ie) {
85a1e930
MH
2798 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
2799 ie->timestamp = jiffies;
2800 }
2801
2802 hci_dev_unlock(hdev);
2803}
2804
6039aa73
GP
2805static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
2806 struct sk_buff *skb)
a9de9248
MH
2807{
2808 struct inquiry_data data;
2809 int num_rsp = *((__u8 *) skb->data);
388fc8fa 2810 bool name_known, ssp;
a9de9248
MH
2811
2812 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2813
2814 if (!num_rsp)
2815 return;
2816
1519cc17
AG
2817 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2818 return;
2819
a9de9248
MH
2820 hci_dev_lock(hdev);
2821
2822 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ
2823 struct inquiry_info_with_rssi_and_pscan_mode *info;
2824 info = (void *) (skb->data + 1);
a9de9248 2825
e17acd40 2826 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2827 bacpy(&data.bdaddr, &info->bdaddr);
2828 data.pscan_rep_mode = info->pscan_rep_mode;
2829 data.pscan_period_mode = info->pscan_period_mode;
2830 data.pscan_mode = info->pscan_mode;
2831 memcpy(data.dev_class, info->dev_class, 3);
2832 data.clock_offset = info->clock_offset;
2833 data.rssi = info->rssi;
41a96212 2834 data.ssp_mode = 0x00;
3175405b
JH
2835
2836 name_known = hci_inquiry_cache_update(hdev, &data,
04124681 2837 false, &ssp);
48264f06 2838 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
2839 info->dev_class, info->rssi,
2840 !name_known, ssp, NULL, 0);
a9de9248
MH
2841 }
2842 } else {
2843 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
2844
e17acd40 2845 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2846 bacpy(&data.bdaddr, &info->bdaddr);
2847 data.pscan_rep_mode = info->pscan_rep_mode;
2848 data.pscan_period_mode = info->pscan_period_mode;
2849 data.pscan_mode = 0x00;
2850 memcpy(data.dev_class, info->dev_class, 3);
2851 data.clock_offset = info->clock_offset;
2852 data.rssi = info->rssi;
41a96212 2853 data.ssp_mode = 0x00;
3175405b 2854 name_known = hci_inquiry_cache_update(hdev, &data,
04124681 2855 false, &ssp);
48264f06 2856 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
2857 info->dev_class, info->rssi,
2858 !name_known, ssp, NULL, 0);
a9de9248
MH
2859 }
2860 }
2861
2862 hci_dev_unlock(hdev);
2863}
2864
6039aa73
GP
2865static void hci_remote_ext_features_evt(struct hci_dev *hdev,
2866 struct sk_buff *skb)
a9de9248 2867{
41a96212
MH
2868 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
2869 struct hci_conn *conn;
2870
a9de9248 2871 BT_DBG("%s", hdev->name);
41a96212 2872
41a96212
MH
2873 hci_dev_lock(hdev);
2874
2875 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
2876 if (!conn)
2877 goto unlock;
41a96212 2878
ccd556fe
JH
2879 if (!ev->status && ev->page == 0x01) {
2880 struct inquiry_entry *ie;
41a96212 2881
cc11b9c1
AE
2882 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2883 if (ie)
02b7cc62 2884 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 2885
02b7cc62 2886 if (ev->features[0] & LMP_HOST_SSP)
58a681ef 2887 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
ccd556fe
JH
2888 }
2889
2890 if (conn->state != BT_CONFIG)
2891 goto unlock;
2892
671267bf 2893 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH
2894 struct hci_cp_remote_name_req cp;
2895 memset(&cp, 0, sizeof(cp));
2896 bacpy(&cp.bdaddr, &conn->dst);
2897 cp.pscan_rep_mode = 0x02;
2898 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH
2899 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2900 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP
2901 conn->dst_type, 0, NULL, 0,
2902 conn->dev_class);
392599b9 2903
127178d2 2904 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
2905 conn->state = BT_CONNECTED;
2906 hci_proto_connect_cfm(conn, ev->status);
2907 hci_conn_put(conn);
41a96212
MH
2908 }
2909
ccd556fe 2910unlock:
41a96212 2911 hci_dev_unlock(hdev);
a9de9248
MH
2912}
2913
6039aa73
GP
2914static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
2915 struct sk_buff *skb)
a9de9248 2916{
b6a0dc82
MH
2917 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
2918 struct hci_conn *conn;
2919
9f1db00c 2920 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH
2921
2922 hci_dev_lock(hdev);
2923
2924 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH
2925 if (!conn) {
2926 if (ev->link_type == ESCO_LINK)
2927 goto unlock;
2928
2929 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2930 if (!conn)
2931 goto unlock;
2932
2933 conn->type = SCO_LINK;
2934 }
b6a0dc82 2935
732547f9
MH
2936 switch (ev->status) {
2937 case 0x00:
b6a0dc82
MH
2938 conn->handle = __le16_to_cpu(ev->handle);
2939 conn->state = BT_CONNECTED;
7d0db0a3 2940
9eba32b8 2941 hci_conn_hold_device(conn);
7d0db0a3 2942 hci_conn_add_sysfs(conn);
732547f9
MH
2943 break;
2944
705e5711 2945 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 2946 case 0x1c: /* SCO interval rejected */
1038a00b 2947 case 0x1a: /* Unsupported Remote Feature */
732547f9
MH
2948 case 0x1f: /* Unspecified error */
2949 if (conn->out && conn->attempt < 2) {
2950 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
2951 (hdev->esco_type & EDR_ESCO_MASK);
2952 hci_setup_sync(conn, conn->link->handle);
2953 goto unlock;
2954 }
2955 /* fall through */
2956
2957 default:
b6a0dc82 2958 conn->state = BT_CLOSED;
732547f9
MH
2959 break;
2960 }
b6a0dc82
MH
2961
2962 hci_proto_connect_cfm(conn, ev->status);
2963 if (ev->status)
2964 hci_conn_del(conn);
2965
2966unlock:
2967 hci_dev_unlock(hdev);
a9de9248
MH
2968}
2969
6039aa73 2970static void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2971{
2972 BT_DBG("%s", hdev->name);
2973}
2974
6039aa73 2975static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2976{
a9de9248 2977 struct hci_ev_sniff_subrate *ev = (void *) skb->data;
04837f64 2978
9f1db00c 2979 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH
2980}
2981
6039aa73
GP
2982static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
2983 struct sk_buff *skb)
1da177e4 2984{
a9de9248
MH
2985 struct inquiry_data data;
2986 struct extended_inquiry_info *info = (void *) (skb->data + 1);
2987 int num_rsp = *((__u8 *) skb->data);
9d939d94 2988 size_t eir_len;
1da177e4 2989
a9de9248 2990 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 2991
a9de9248
MH
2992 if (!num_rsp)
2993 return;
1da177e4 2994
1519cc17
AG
2995 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2996 return;
2997
a9de9248
MH
2998 hci_dev_lock(hdev);
2999
e17acd40 3000 for (; num_rsp; num_rsp--, info++) {
388fc8fa 3001 bool name_known, ssp;
561aafbc 3002
a9de9248 3003 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ
3004 data.pscan_rep_mode = info->pscan_rep_mode;
3005 data.pscan_period_mode = info->pscan_period_mode;
3006 data.pscan_mode = 0x00;
a9de9248 3007 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ
3008 data.clock_offset = info->clock_offset;
3009 data.rssi = info->rssi;
41a96212 3010 data.ssp_mode = 0x01;
561aafbc 3011
a8b2d5c2 3012 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3013 name_known = eir_has_data_type(info->data,
04124681
GP
3014 sizeof(info->data),
3015 EIR_NAME_COMPLETE);
561aafbc
JH
3016 else
3017 name_known = true;
3018
388fc8fa 3019 name_known = hci_inquiry_cache_update(hdev, &data, name_known,
04124681 3020 &ssp);
9d939d94 3021 eir_len = eir_get_length(info->data, sizeof(info->data));
48264f06 3022 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3023 info->dev_class, info->rssi, !name_known,
9d939d94 3024 ssp, info->data, eir_len);
a9de9248
MH
3025 }
3026
3027 hci_dev_unlock(hdev);
3028}
1da177e4 3029
1c2e0041
JH
3030static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3031 struct sk_buff *skb)
3032{
3033 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3034 struct hci_conn *conn;
3035
9f1db00c 3036 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH
3037 __le16_to_cpu(ev->handle));
3038
3039 hci_dev_lock(hdev);
3040
3041 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3042 if (!conn)
3043 goto unlock;
3044
3045 if (!ev->status)
3046 conn->sec_level = conn->pending_sec_level;
3047
3048 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3049
3050 if (ev->status && conn->state == BT_CONNECTED) {
3051 hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
3052 hci_conn_put(conn);
3053 goto unlock;
3054 }
3055
3056 if (conn->state == BT_CONFIG) {
3057 if (!ev->status)
3058 conn->state = BT_CONNECTED;
3059
3060 hci_proto_connect_cfm(conn, ev->status);
3061 hci_conn_put(conn);
3062 } else {
3063 hci_auth_cfm(conn, ev->status);
3064
3065 hci_conn_hold(conn);
3066 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3067 hci_conn_put(conn);
3068 }
3069
3070unlock:
3071 hci_dev_unlock(hdev);
3072}
3073
6039aa73 3074static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d
JH
3075{
3076 /* If remote requests dedicated bonding follow that lead */
3077 if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
3078 /* If both remote and local IO capabilities allow MITM
3079 * protection then require it, otherwise don't */
3080 if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
3081 return 0x02;
3082 else
3083 return 0x03;
3084 }
3085
3086 /* If remote requests no-bonding follow that lead */
3087 if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
58797bf7 3088 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d
JH
3089
3090 return conn->auth_type;
3091}
3092
6039aa73 3093static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH
3094{
3095 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3096 struct hci_conn *conn;
3097
3098 BT_DBG("%s", hdev->name);
3099
3100 hci_dev_lock(hdev);
3101
3102 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH
3103 if (!conn)
3104 goto unlock;
3105
3106 hci_conn_hold(conn);
3107
a8b2d5c2 3108 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH
3109 goto unlock;
3110
a8b2d5c2 3111 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3112 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH
3113 struct hci_cp_io_capability_reply cp;
3114
3115 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG
3116 /* Change the IO capability from KeyboardDisplay
3117 * to DisplayYesNo as it is not supported by BT spec. */
3118 cp.capability = (conn->io_capability == 0x04) ?
3119 0x01 : conn->io_capability;
7cbc9bd9
JH
3120 conn->auth_type = hci_get_auth_req(conn);
3121 cp.authentication = conn->auth_type;
17fa4b9d 3122
8fc9ced3
GP
3123 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3124 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ
3125 cp.oob_data = 0x01;
3126 else
3127 cp.oob_data = 0x00;
3128
17fa4b9d 3129 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3130 sizeof(cp), &cp);
03b555e1
JH
3131 } else {
3132 struct hci_cp_io_capability_neg_reply cp;
3133
3134 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3135 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3136
03b555e1 3137 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3138 sizeof(cp), &cp);
03b555e1
JH
3139 }
3140
3141unlock:
3142 hci_dev_unlock(hdev);
3143}
3144
6039aa73 3145static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH
3146{
3147 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3148 struct hci_conn *conn;
3149
3150 BT_DBG("%s", hdev->name);
3151
3152 hci_dev_lock(hdev);
3153
3154 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3155 if (!conn)
3156 goto unlock;
3157
03b555e1 3158 conn->remote_cap = ev->capability;
03b555e1 3159 conn->remote_auth = ev->authentication;
58a681ef
JH
3160 if (ev->oob_data)
3161 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH
3162
3163unlock:
0493684e
MH
3164 hci_dev_unlock(hdev);
3165}
3166
6039aa73
GP
3167static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3168 struct sk_buff *skb)
a5c29683
JH
3169{
3170 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3171 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3172 struct hci_conn *conn;
a5c29683
JH
3173
3174 BT_DBG("%s", hdev->name);
3175
3176 hci_dev_lock(hdev);
3177
a8b2d5c2 3178 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3179 goto unlock;
a5c29683 3180
7a828908
JH
3181 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3182 if (!conn)
3183 goto unlock;
3184
3185 loc_mitm = (conn->auth_type & 0x01);
3186 rem_mitm = (conn->remote_auth & 0x01);
3187
3188 /* If we require MITM but the remote device can't provide that
3189 * (it has NoInputNoOutput) then reject the confirmation
3190 * request. The only exception is when we're dedicated bonding
3191 * initiators (connect_cfm_cb set) since then we always have the MITM
3192 * bit set. */
3193 if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
3194 BT_DBG("Rejecting request: remote device can't provide MITM");
3195 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3196 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH
3197 goto unlock;
3198 }
3199
3200 /* If no side requires MITM protection; auto-accept */
3201 if ((!loc_mitm || conn->remote_cap == 0x03) &&
807deac2 3202 (!rem_mitm || conn->io_capability == 0x03)) {
55bc1a37
JH
3203
3204 /* If we're not the initiators request authorization to
3205 * proceed from user space (mgmt_user_confirm with
3206 * confirm_hint set to 1). */
51a8efd7 3207 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
55bc1a37
JH
3208 BT_DBG("Confirming auto-accept as acceptor");
3209 confirm_hint = 1;
3210 goto confirm;
3211 }
3212
9f61656a 3213 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3214 hdev->auto_accept_delay);
9f61656a
JH
3215
3216 if (hdev->auto_accept_delay > 0) {
3217 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
3218 mod_timer(&conn->auto_accept_timer, jiffies + delay);
3219 goto unlock;
3220 }
3221
7a828908 3222 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3223 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH
3224 goto unlock;
3225 }
3226
55bc1a37 3227confirm:
272d90df 3228 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
04124681 3229 confirm_hint);
7a828908
JH
3230
3231unlock:
a5c29683
JH
3232 hci_dev_unlock(hdev);
3233}
3234
6039aa73
GP
3235static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3236 struct sk_buff *skb)
1143d458
BG
3237{
3238 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3239
3240 BT_DBG("%s", hdev->name);
3241
a8b2d5c2 3242 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3243 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG
3244}
3245
6039aa73
GP
3246static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3247 struct sk_buff *skb)
0493684e
MH
3248{
3249 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3250 struct hci_conn *conn;
3251
3252 BT_DBG("%s", hdev->name);
3253
3254 hci_dev_lock(hdev);
3255
3256 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH
3257 if (!conn)
3258 goto unlock;
3259
3260 /* To avoid duplicate auth_failed events to user space we check
3261 * the HCI_CONN_AUTH_PEND flag which will be set if we
3262 * initiated the authentication. A traditional auth_complete
3263 * event gets always produced as initiator and is also mapped to
3264 * the mgmt_auth_failed event */
51a8efd7 3265 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status != 0)
bab73cb6 3266 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3267 ev->status);
0493684e 3268
2a611692
JH
3269 hci_conn_put(conn);
3270
3271unlock:
0493684e
MH
3272 hci_dev_unlock(hdev);
3273}
3274
6039aa73
GP
3275static void hci_remote_host_features_evt(struct hci_dev *hdev,
3276 struct sk_buff *skb)
41a96212
MH
3277{
3278 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3279 struct inquiry_entry *ie;
3280
3281 BT_DBG("%s", hdev->name);
3282
3283 hci_dev_lock(hdev);
3284
cc11b9c1
AE
3285 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3286 if (ie)
02b7cc62 3287 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH
3288
3289 hci_dev_unlock(hdev);
3290}
3291
6039aa73
GP
3292static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3293 struct sk_buff *skb)
2763eda6
SJ
3294{
3295 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3296 struct oob_data *data;
3297
3298 BT_DBG("%s", hdev->name);
3299
3300 hci_dev_lock(hdev);
3301
a8b2d5c2 3302 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ
3303 goto unlock;
3304
2763eda6
SJ
3305 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3306 if (data) {
3307 struct hci_cp_remote_oob_data_reply cp;
3308
3309 bacpy(&cp.bdaddr, &ev->bdaddr);
3310 memcpy(cp.hash, data->hash, sizeof(cp.hash));
3311 memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
3312
3313 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
807deac2 3314 &cp);
2763eda6
SJ
3315 } else {
3316 struct hci_cp_remote_oob_data_neg_reply cp;
3317
3318 bacpy(&cp.bdaddr, &ev->bdaddr);
3319 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
807deac2 3320 &cp);
2763eda6
SJ
3321 }
3322
e1ba1f15 3323unlock:
2763eda6
SJ
3324 hci_dev_unlock(hdev);
3325}
3326
6039aa73 3327static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT
3328{
3329 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
3330 struct hci_conn *conn;
3331
9f1db00c 3332 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT
3333
3334 hci_dev_lock(hdev);
3335
b47a09b3
AG
3336 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
3337
4f72b329 3338 if (ev->status) {
4f72b329
AK
3339 if (!conn)
3340 goto unlock;
3341
3342 mgmt_connect_failed(hdev, &conn->dst, conn->type,
3343 conn->dst_type, ev->status);
3344 hci_proto_connect_cfm(conn, ev->status);
3345 conn->state = BT_CLOSED;
3346 hci_conn_del(conn);
3347 goto unlock;
3348 }
3349
b62f328b
VT
3350 if (!conn) {
3351 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
3352 if (!conn) {
3353 BT_ERR("No memory for new connection");
230fd16a 3354 goto unlock;
b62f328b 3355 }
29b7988a
AG
3356
3357 conn->dst_type = ev->bdaddr_type;
b9b343d2
AG
3358
3359 if (ev->role == LE_CONN_ROLE_MASTER) {
3360 conn->out = true;
3361 conn->link_mode |= HCI_LM_MASTER;
3362 }
b62f328b 3363 }
fcd89c09 3364
b644ba33
JH
3365 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3366 mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
04124681 3367 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 3368
7b5c0d52 3369 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT
3370 conn->handle = __le16_to_cpu(ev->handle);
3371 conn->state = BT_CONNECTED;
3372
3373 hci_conn_hold_device(conn);
3374 hci_conn_add_sysfs(conn);
3375
3376 hci_proto_connect_cfm(conn, ev->status);
3377
3378unlock:
3379 hci_dev_unlock(hdev);
3380}
3381
6039aa73 3382static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 3383{
e95beb41
AG
3384 u8 num_reports = skb->data[0];
3385 void *ptr = &skb->data[1];
3c9e9195 3386 s8 rssi;
9aa04c91
AG
3387
3388 hci_dev_lock(hdev);
3389
e95beb41
AG
3390 while (num_reports--) {
3391 struct hci_ev_le_advertising_info *ev = ptr;
9aa04c91 3392
3c9e9195
AG
3393 rssi = ev->data[ev->length];
3394 mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
04124681 3395 NULL, rssi, 0, 1, ev->data, ev->length);
3c9e9195 3396
e95beb41 3397 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91
AG
3398 }
3399
3400 hci_dev_unlock(hdev);
3401}
3402
6039aa73 3403static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG
3404{
3405 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
3406 struct hci_cp_le_ltk_reply cp;
bea710fe 3407 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 3408 struct hci_conn *conn;
c9839a11 3409 struct smp_ltk *ltk;
a7a595f6 3410
9f1db00c 3411 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG
3412
3413 hci_dev_lock(hdev);
3414
3415 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG
3416 if (conn == NULL)
3417 goto not_found;
a7a595f6 3418
bea710fe
VCG
3419 ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
3420 if (ltk == NULL)
3421 goto not_found;
3422
3423 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 3424 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG
3425
3426 if (ltk->authenticated)
3427 conn->sec_level = BT_SECURITY_HIGH;
a7a595f6
VCG
3428
3429 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
3430
c9839a11
VCG
3431 if (ltk->type & HCI_SMP_STK) {
3432 list_del(&ltk->list);
3433 kfree(ltk);
3434 }
3435
a7a595f6 3436 hci_dev_unlock(hdev);
bea710fe
VCG
3437
3438 return;
3439
3440not_found:
3441 neg.handle = ev->handle;
3442 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
3443 hci_dev_unlock(hdev);
a7a595f6
VCG
3444}
3445
6039aa73 3446static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT
3447{
3448 struct hci_ev_le_meta *le_ev = (void *) skb->data;
3449
3450 skb_pull(skb, sizeof(*le_ev));
3451
3452 switch (le_ev->subevent) {
3453 case HCI_EV_LE_CONN_COMPLETE:
3454 hci_le_conn_complete_evt(hdev, skb);
3455 break;
3456
9aa04c91
AG
3457 case HCI_EV_LE_ADVERTISING_REPORT:
3458 hci_le_adv_report_evt(hdev, skb);
3459 break;
3460
a7a595f6
VCG
3461 case HCI_EV_LE_LTK_REQ:
3462 hci_le_ltk_request_evt(hdev, skb);
3463 break;
3464
fcd89c09
VT
3465 default:
3466 break;
3467 }
3468}
3469
a9de9248
MH
3470void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
3471{
3472 struct hci_event_hdr *hdr = (void *) skb->data;
3473 __u8 event = hdr->evt;
3474
3475 skb_pull(skb, HCI_EVENT_HDR_SIZE);
3476
3477 switch (event) {
1da177e4
LT
3478 case HCI_EV_INQUIRY_COMPLETE:
3479 hci_inquiry_complete_evt(hdev, skb);
3480 break;
3481
3482 case HCI_EV_INQUIRY_RESULT:
3483 hci_inquiry_result_evt(hdev, skb);
3484 break;
3485
a9de9248
MH
3486 case HCI_EV_CONN_COMPLETE:
3487 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH
3488 break;
3489
1da177e4
LT
3490 case HCI_EV_CONN_REQUEST:
3491 hci_conn_request_evt(hdev, skb);
3492 break;
3493
1da177e4
LT
3494 case HCI_EV_DISCONN_COMPLETE:
3495 hci_disconn_complete_evt(hdev, skb);
3496 break;
3497
1da177e4
LT
3498 case HCI_EV_AUTH_COMPLETE:
3499 hci_auth_complete_evt(hdev, skb);
3500 break;
3501
a9de9248
MH
3502 case HCI_EV_REMOTE_NAME:
3503 hci_remote_name_evt(hdev, skb);
3504 break;
3505
1da177e4
LT
3506 case HCI_EV_ENCRYPT_CHANGE:
3507 hci_encrypt_change_evt(hdev, skb);
3508 break;
3509
a9de9248
MH
3510 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
3511 hci_change_link_key_complete_evt(hdev, skb);
3512 break;
3513
3514 case HCI_EV_REMOTE_FEATURES:
3515 hci_remote_features_evt(hdev, skb);
3516 break;
3517
3518 case HCI_EV_REMOTE_VERSION:
3519 hci_remote_version_evt(hdev, skb);
3520 break;
3521
3522 case HCI_EV_QOS_SETUP_COMPLETE:
3523 hci_qos_setup_complete_evt(hdev, skb);
3524 break;
3525
3526 case HCI_EV_CMD_COMPLETE:
3527 hci_cmd_complete_evt(hdev, skb);
3528 break;
3529
3530 case HCI_EV_CMD_STATUS:
3531 hci_cmd_status_evt(hdev, skb);
3532 break;
3533
3534 case HCI_EV_ROLE_CHANGE:
3535 hci_role_change_evt(hdev, skb);
3536 break;
3537
3538 case HCI_EV_NUM_COMP_PKTS:
3539 hci_num_comp_pkts_evt(hdev, skb);
3540 break;
3541
3542 case HCI_EV_MODE_CHANGE:
3543 hci_mode_change_evt(hdev, skb);
1da177e4
LT
3544 break;
3545
3546 case HCI_EV_PIN_CODE_REQ:
3547 hci_pin_code_request_evt(hdev, skb);
3548 break;
3549
3550 case HCI_EV_LINK_KEY_REQ:
3551 hci_link_key_request_evt(hdev, skb);
3552 break;
3553
3554 case HCI_EV_LINK_KEY_NOTIFY:
3555 hci_link_key_notify_evt(hdev, skb);
3556 break;
3557
3558 case HCI_EV_CLOCK_OFFSET:
3559 hci_clock_offset_evt(hdev, skb);
3560 break;
3561
a8746417
MH
3562 case HCI_EV_PKT_TYPE_CHANGE:
3563 hci_pkt_type_change_evt(hdev, skb);
3564 break;
3565
85a1e930
MH
3566 case HCI_EV_PSCAN_REP_MODE:
3567 hci_pscan_rep_mode_evt(hdev, skb);
3568 break;
3569
a9de9248
MH
3570 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
3571 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH
3572 break;
3573
a9de9248
MH
3574 case HCI_EV_REMOTE_EXT_FEATURES:
3575 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT
3576 break;
3577
a9de9248
MH
3578 case HCI_EV_SYNC_CONN_COMPLETE:
3579 hci_sync_conn_complete_evt(hdev, skb);
3580 break;
1da177e4 3581
a9de9248
MH
3582 case HCI_EV_SYNC_CONN_CHANGED:
3583 hci_sync_conn_changed_evt(hdev, skb);
3584 break;
1da177e4 3585
a9de9248
MH
3586 case HCI_EV_SNIFF_SUBRATE:
3587 hci_sniff_subrate_evt(hdev, skb);
3588 break;
1da177e4 3589
a9de9248
MH
3590 case HCI_EV_EXTENDED_INQUIRY_RESULT:
3591 hci_extended_inquiry_result_evt(hdev, skb);
3592 break;
1da177e4 3593
1c2e0041
JH
3594 case HCI_EV_KEY_REFRESH_COMPLETE:
3595 hci_key_refresh_complete_evt(hdev, skb);
3596 break;
3597
0493684e
MH
3598 case HCI_EV_IO_CAPA_REQUEST:
3599 hci_io_capa_request_evt(hdev, skb);
3600 break;
3601
03b555e1
JH
3602 case HCI_EV_IO_CAPA_REPLY:
3603 hci_io_capa_reply_evt(hdev, skb);
3604 break;
3605
a5c29683
JH
3606 case HCI_EV_USER_CONFIRM_REQUEST:
3607 hci_user_confirm_request_evt(hdev, skb);
3608 break;
3609
1143d458
BG
3610 case HCI_EV_USER_PASSKEY_REQUEST:
3611 hci_user_passkey_request_evt(hdev, skb);
3612 break;
3613
0493684e
MH
3614 case HCI_EV_SIMPLE_PAIR_COMPLETE:
3615 hci_simple_pair_complete_evt(hdev, skb);
3616 break;
3617
41a96212
MH
3618 case HCI_EV_REMOTE_HOST_FEATURES:
3619 hci_remote_host_features_evt(hdev, skb);
3620 break;
3621
fcd89c09
VT
3622 case HCI_EV_LE_META:
3623 hci_le_meta_evt(hdev, skb);
3624 break;
3625
2763eda6
SJ
3626 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
3627 hci_remote_oob_data_request_evt(hdev, skb);
3628 break;
3629
25e89e99
AE
3630 case HCI_EV_NUM_COMP_BLOCKS:
3631 hci_num_comp_blocks_evt(hdev, skb);
3632 break;
3633
a9de9248 3634 default:
9f1db00c 3635 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT
3636 break;
3637 }
3638
3639 kfree_skb(skb);
3640 hdev->stat.evt_rx++;
3641}