Bluetooth: Remove trivial white space
[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
1da177e4
LT
27#include <asm/unaligned.h>
28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
f0d6a0ea 31#include <net/bluetooth/mgmt.h>
8e2a0d92 32#include <net/bluetooth/a2mp.h>
903e4541 33#include <net/bluetooth/amp.h>
1da177e4 34
1da177e4
LT
35/* Handle HCI Event packets */
36
a9de9248 37static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 38{
a9de9248 39 __u8 status = *((__u8 *) skb->data);
1da177e4 40
9f1db00c 41 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 42
e6d465cb
AG
43 if (status) {
44 hci_dev_lock(hdev);
45 mgmt_stop_discovery_failed(hdev, status);
46 hci_dev_unlock(hdev);
a9de9248 47 return;
e6d465cb 48 }
1da177e4 49
89352e7d 50 clear_bit(HCI_INQUIRY, &hdev->flags);
3e13fa1e
AG
51 smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */
52 wake_up_bit(&hdev->flags, HCI_INQUIRY);
89352e7d 53
56e5cb86 54 hci_dev_lock(hdev);
ff9ef578 55 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
56e5cb86 56 hci_dev_unlock(hdev);
6bd57416 57
a9de9248
MH
58 hci_conn_check_pending(hdev);
59}
6bd57416 60
4d93483b
AG
61static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
62{
63 __u8 status = *((__u8 *) skb->data);
64
9f1db00c 65 BT_DBG("%s status 0x%2.2x", hdev->name, status);
ae854a70
AG
66
67 if (status)
68 return;
69
70 set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
4d93483b
AG
71}
72
a9de9248
MH
73static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
74{
75 __u8 status = *((__u8 *) skb->data);
6bd57416 76
9f1db00c 77 BT_DBG("%s status 0x%2.2x", hdev->name, status);
6bd57416 78
a9de9248
MH
79 if (status)
80 return;
1da177e4 81
ae854a70
AG
82 clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
83
a9de9248
MH
84 hci_conn_check_pending(hdev);
85}
86
807deac2
GP
87static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
88 struct sk_buff *skb)
a9de9248
MH
89{
90 BT_DBG("%s", hdev->name);
91}
92
93static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
94{
95 struct hci_rp_role_discovery *rp = (void *) skb->data;
96 struct hci_conn *conn;
97
9f1db00c 98 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH
99
100 if (rp->status)
101 return;
102
103 hci_dev_lock(hdev);
104
105 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
106 if (conn) {
107 if (rp->role)
108 conn->link_mode &= ~HCI_LM_MASTER;
109 else
110 conn->link_mode |= HCI_LM_MASTER;
1da177e4 111 }
a9de9248
MH
112
113 hci_dev_unlock(hdev);
1da177e4
LT
114}
115
e4e8e37c
MH
116static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
117{
118 struct hci_rp_read_link_policy *rp = (void *) skb->data;
119 struct hci_conn *conn;
120
9f1db00c 121 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH
122
123 if (rp->status)
124 return;
125
126 hci_dev_lock(hdev);
127
128 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
129 if (conn)
130 conn->link_policy = __le16_to_cpu(rp->policy);
131
132 hci_dev_unlock(hdev);
133}
134
a9de9248 135static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 136{
a9de9248 137 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 138 struct hci_conn *conn;
04837f64 139 void *sent;
1da177e4 140
9f1db00c 141 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 142
a9de9248
MH
143 if (rp->status)
144 return;
1da177e4 145
a9de9248
MH
146 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
147 if (!sent)
148 return;
1da177e4 149
a9de9248 150 hci_dev_lock(hdev);
1da177e4 151
a9de9248 152 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 153 if (conn)
83985319 154 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 155
a9de9248
MH
156 hci_dev_unlock(hdev);
157}
1da177e4 158
807deac2
GP
159static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
160 struct sk_buff *skb)
e4e8e37c
MH
161{
162 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
163
9f1db00c 164 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
e4e8e37c
MH
165
166 if (rp->status)
167 return;
168
169 hdev->link_policy = __le16_to_cpu(rp->policy);
170}
171
807deac2
GP
172static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
173 struct sk_buff *skb)
e4e8e37c
MH
174{
175 __u8 status = *((__u8 *) skb->data);
176 void *sent;
177
9f1db00c 178 BT_DBG("%s status 0x%2.2x", hdev->name, status);
e4e8e37c
MH
179
180 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
181 if (!sent)
182 return;
183
184 if (!status)
185 hdev->link_policy = get_unaligned_le16(sent);
e4e8e37c
MH
186}
187
a9de9248
MH
188static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
189{
190 __u8 status = *((__u8 *) skb->data);
04837f64 191
9f1db00c 192 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 193
10572132
GP
194 clear_bit(HCI_RESET, &hdev->flags);
195
a297e97c 196 /* Reset all non-persistent flags */
2cc6fb00 197 hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
69775ff6
AG
198
199 hdev->discovery.state = DISCOVERY_STOPPED;
bbaf444a
JH
200 hdev->inq_tx_power = HCI_TX_POWER_INVALID;
201 hdev->adv_tx_power = HCI_TX_POWER_INVALID;
3f0f524b
JH
202
203 memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
204 hdev->adv_data_len = 0;
a9de9248 205}
04837f64 206
a9de9248
MH
207static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
208{
209 __u8 status = *((__u8 *) skb->data);
210 void *sent;
04837f64 211
9f1db00c 212 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 213
a9de9248
MH
214 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
215 if (!sent)
216 return;
04837f64 217
56e5cb86
JH
218 hci_dev_lock(hdev);
219
f51d5b24
JH
220 if (test_bit(HCI_MGMT, &hdev->dev_flags))
221 mgmt_set_local_name_complete(hdev, sent, status);
28cc7bde
JH
222 else if (!status)
223 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
f51d5b24 224
56e5cb86 225 hci_dev_unlock(hdev);
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);
1da177e4
LT
263}
264
a9de9248 265static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 266{
a9de9248 267 __u8 status = *((__u8 *) skb->data);
1da177e4
LT
268 void *sent;
269
9f1db00c 270 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 271
a9de9248
MH
272 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
273 if (!sent)
274 return;
1da177e4 275
a9de9248
MH
276 if (!status) {
277 __u8 param = *((__u8 *) sent);
278
279 if (param)
280 set_bit(HCI_ENCRYPT, &hdev->flags);
281 else
282 clear_bit(HCI_ENCRYPT, &hdev->flags);
283 }
a9de9248 284}
1da177e4 285
a9de9248
MH
286static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
287{
36f7fc7e
JH
288 __u8 param, status = *((__u8 *) skb->data);
289 int old_pscan, old_iscan;
a9de9248 290 void *sent;
1da177e4 291
9f1db00c 292 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 293
a9de9248
MH
294 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
295 if (!sent)
296 return;
1da177e4 297
36f7fc7e
JH
298 param = *((__u8 *) sent);
299
56e5cb86
JH
300 hci_dev_lock(hdev);
301
fa1bd918 302 if (status) {
744cf19e 303 mgmt_write_scan_failed(hdev, param, status);
2d7cee58
JH
304 hdev->discov_timeout = 0;
305 goto done;
306 }
307
36f7fc7e
JH
308 old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
309 old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
310
311 if (param & SCAN_INQUIRY) {
312 set_bit(HCI_ISCAN, &hdev->flags);
313 if (!old_iscan)
744cf19e 314 mgmt_discoverable(hdev, 1);
16ab91ab
JH
315 if (hdev->discov_timeout > 0) {
316 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
317 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
807deac2 318 to);
16ab91ab 319 }
36f7fc7e 320 } else if (old_iscan)
744cf19e 321 mgmt_discoverable(hdev, 0);
36f7fc7e
JH
322
323 if (param & SCAN_PAGE) {
324 set_bit(HCI_PSCAN, &hdev->flags);
325 if (!old_pscan)
744cf19e 326 mgmt_connectable(hdev, 1);
36f7fc7e 327 } else if (old_pscan)
744cf19e 328 mgmt_connectable(hdev, 0);
1da177e4 329
36f7fc7e 330done:
56e5cb86 331 hci_dev_unlock(hdev);
a9de9248 332}
1da177e4 333
a9de9248
MH
334static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
335{
336 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 337
9f1db00c 338 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 339
a9de9248
MH
340 if (rp->status)
341 return;
1da177e4 342
a9de9248 343 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 344
a9de9248 345 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
807deac2 346 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
a9de9248 347}
1da177e4 348
a9de9248
MH
349static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
350{
351 __u8 status = *((__u8 *) skb->data);
352 void *sent;
1da177e4 353
9f1db00c 354 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 355
a9de9248
MH
356 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
357 if (!sent)
358 return;
1da177e4 359
7f9a903c
MH
360 hci_dev_lock(hdev);
361
362 if (status == 0)
363 memcpy(hdev->dev_class, sent, 3);
364
365 if (test_bit(HCI_MGMT, &hdev->dev_flags))
366 mgmt_set_class_of_dev_complete(hdev, sent, status);
367
368 hci_dev_unlock(hdev);
a9de9248 369}
1da177e4 370
a9de9248
MH
371static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
372{
373 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
374 __u16 setting;
375
9f1db00c 376 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH
377
378 if (rp->status)
379 return;
380
381 setting = __le16_to_cpu(rp->voice_setting);
382
f383f275 383 if (hdev->voice_setting == setting)
a9de9248
MH
384 return;
385
386 hdev->voice_setting = setting;
387
9f1db00c 388 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
a9de9248 389
3c54711c 390 if (hdev->notify)
a9de9248 391 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
a9de9248
MH
392}
393
8fc9ced3
GP
394static void hci_cc_write_voice_setting(struct hci_dev *hdev,
395 struct sk_buff *skb)
a9de9248
MH
396{
397 __u8 status = *((__u8 *) skb->data);
f383f275 398 __u16 setting;
a9de9248
MH
399 void *sent;
400
9f1db00c 401 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 402
f383f275
MH
403 if (status)
404 return;
405
a9de9248
MH
406 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
407 if (!sent)
408 return;
1da177e4 409
f383f275 410 setting = get_unaligned_le16(sent);
1da177e4 411
f383f275
MH
412 if (hdev->voice_setting == setting)
413 return;
414
415 hdev->voice_setting = setting;
1da177e4 416
9f1db00c 417 BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
1da177e4 418
3c54711c 419 if (hdev->notify)
f383f275 420 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
1da177e4
LT
421}
422
333140b5
MH
423static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
424{
425 __u8 status = *((__u8 *) skb->data);
5ed8eb2f 426 struct hci_cp_write_ssp_mode *sent;
333140b5 427
9f1db00c 428 BT_DBG("%s status 0x%2.2x", hdev->name, status);
333140b5 429
333140b5
MH
430 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
431 if (!sent)
432 return;
433
5ed8eb2f
JH
434 if (!status) {
435 if (sent->mode)
436 hdev->host_features[0] |= LMP_HOST_SSP;
437 else
438 hdev->host_features[0] &= ~LMP_HOST_SSP;
439 }
440
ed2c4ee3 441 if (test_bit(HCI_MGMT, &hdev->dev_flags))
5ed8eb2f 442 mgmt_ssp_enable_complete(hdev, sent->mode, status);
c0ecddc2 443 else if (!status) {
5ed8eb2f 444 if (sent->mode)
c0ecddc2
JH
445 set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
446 else
447 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
448 }
333140b5
MH
449}
450
a9de9248
MH
451static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
452{
453 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 454
9f1db00c 455 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143e5a6 456
a9de9248 457 if (rp->status)
42c6b129 458 return;
1143e5a6 459
a9de9248 460 hdev->hci_ver = rp->hci_ver;
e4e8e37c 461 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
d5859e22 462 hdev->lmp_ver = rp->lmp_ver;
e4e8e37c 463 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
d5859e22 464 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
1143e5a6 465
9f1db00c 466 BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
807deac2 467 hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
d5859e22
JH
468}
469
8fc9ced3
GP
470static void hci_cc_read_local_commands(struct hci_dev *hdev,
471 struct sk_buff *skb)
a9de9248
MH
472{
473 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 474
9f1db00c 475 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 476
2177bab5
JH
477 if (!rp->status)
478 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
a9de9248 479}
1da177e4 480
8fc9ced3
GP
481static void hci_cc_read_local_features(struct hci_dev *hdev,
482 struct sk_buff *skb)
a9de9248
MH
483{
484 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 485
9f1db00c 486 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 487
a9de9248
MH
488 if (rp->status)
489 return;
5b7f9909 490
a9de9248 491 memcpy(hdev->features, rp->features, 8);
5b7f9909 492
a9de9248
MH
493 /* Adjust default settings according to features
494 * supported by device. */
1da177e4 495
a9de9248
MH
496 if (hdev->features[0] & LMP_3SLOT)
497 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 498
a9de9248
MH
499 if (hdev->features[0] & LMP_5SLOT)
500 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 501
a9de9248
MH
502 if (hdev->features[1] & LMP_HV2) {
503 hdev->pkt_type |= (HCI_HV2);
504 hdev->esco_type |= (ESCO_HV2);
505 }
1da177e4 506
a9de9248
MH
507 if (hdev->features[1] & LMP_HV3) {
508 hdev->pkt_type |= (HCI_HV3);
509 hdev->esco_type |= (ESCO_HV3);
510 }
1da177e4 511
45db810f 512 if (lmp_esco_capable(hdev))
a9de9248 513 hdev->esco_type |= (ESCO_EV3);
da1f5198 514
a9de9248
MH
515 if (hdev->features[4] & LMP_EV4)
516 hdev->esco_type |= (ESCO_EV4);
da1f5198 517
a9de9248
MH
518 if (hdev->features[4] & LMP_EV5)
519 hdev->esco_type |= (ESCO_EV5);
1da177e4 520
efc7688b
MH
521 if (hdev->features[5] & LMP_EDR_ESCO_2M)
522 hdev->esco_type |= (ESCO_2EV3);
523
524 if (hdev->features[5] & LMP_EDR_ESCO_3M)
525 hdev->esco_type |= (ESCO_3EV3);
526
527 if (hdev->features[5] & LMP_EDR_3S_ESCO)
528 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
529
a9de9248 530 BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
807deac2
GP
531 hdev->features[0], hdev->features[1],
532 hdev->features[2], hdev->features[3],
533 hdev->features[4], hdev->features[5],
534 hdev->features[6], hdev->features[7]);
a9de9248 535}
1da177e4 536
971e3a4b 537static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
807deac2 538 struct sk_buff *skb)
971e3a4b
AG
539{
540 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
541
9f1db00c 542 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
971e3a4b
AG
543
544 if (rp->status)
42c6b129 545 return;
971e3a4b 546
b5b32b65
AG
547 switch (rp->page) {
548 case 0:
549 memcpy(hdev->features, rp->features, 8);
550 break;
551 case 1:
552 memcpy(hdev->host_features, rp->features, 8);
553 break;
554 }
971e3a4b
AG
555}
556
1e89cffb 557static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
807deac2 558 struct sk_buff *skb)
1e89cffb
AE
559{
560 struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
561
9f1db00c 562 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1e89cffb 563
42c6b129
JH
564 if (!rp->status)
565 hdev->flow_ctl_mode = rp->mode;
1e89cffb
AE
566}
567
a9de9248
MH
568static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
569{
570 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 571
9f1db00c 572 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1da177e4 573
a9de9248
MH
574 if (rp->status)
575 return;
1da177e4 576
a9de9248
MH
577 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
578 hdev->sco_mtu = rp->sco_mtu;
579 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
580 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
581
582 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
583 hdev->sco_mtu = 64;
584 hdev->sco_pkts = 8;
1da177e4 585 }
a9de9248
MH
586
587 hdev->acl_cnt = hdev->acl_pkts;
588 hdev->sco_cnt = hdev->sco_pkts;
589
807deac2
GP
590 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
591 hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
a9de9248
MH
592}
593
594static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
595{
596 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
597
9f1db00c 598 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a9de9248
MH
599
600 if (!rp->status)
601 bacpy(&hdev->bdaddr, &rp->bdaddr);
23bb5763
JH
602}
603
f332ec66
JH
604static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
605 struct sk_buff *skb)
606{
607 struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
608
609 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
610
611 if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) {
612 hdev->page_scan_interval = __le16_to_cpu(rp->interval);
613 hdev->page_scan_window = __le16_to_cpu(rp->window);
614 }
615}
616
4a3ee763
JH
617static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
618 struct sk_buff *skb)
619{
620 u8 status = *((u8 *) skb->data);
621 struct hci_cp_write_page_scan_activity *sent;
622
623 BT_DBG("%s status 0x%2.2x", hdev->name, status);
624
625 if (status)
626 return;
627
628 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
629 if (!sent)
630 return;
631
632 hdev->page_scan_interval = __le16_to_cpu(sent->interval);
633 hdev->page_scan_window = __le16_to_cpu(sent->window);
634}
635
f332ec66
JH
636static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
637 struct sk_buff *skb)
638{
639 struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
640
641 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
642
643 if (test_bit(HCI_INIT, &hdev->flags) && !rp->status)
644 hdev->page_scan_type = rp->type;
645}
646
4a3ee763
JH
647static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
648 struct sk_buff *skb)
649{
650 u8 status = *((u8 *) skb->data);
651 u8 *type;
652
653 BT_DBG("%s status 0x%2.2x", hdev->name, status);
654
655 if (status)
656 return;
657
658 type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
659 if (type)
660 hdev->page_scan_type = *type;
661}
662
350ee4cf 663static void hci_cc_read_data_block_size(struct hci_dev *hdev,
807deac2 664 struct sk_buff *skb)
350ee4cf
AE
665{
666 struct hci_rp_read_data_block_size *rp = (void *) skb->data;
667
9f1db00c 668 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
350ee4cf
AE
669
670 if (rp->status)
671 return;
672
673 hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
674 hdev->block_len = __le16_to_cpu(rp->block_len);
675 hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
676
677 hdev->block_cnt = hdev->num_blocks;
678
679 BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
807deac2 680 hdev->block_cnt, hdev->block_len);
350ee4cf
AE
681}
682
928abaa7 683static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
807deac2 684 struct sk_buff *skb)
928abaa7
AE
685{
686 struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
687
9f1db00c 688 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
928abaa7
AE
689
690 if (rp->status)
8e2a0d92 691 goto a2mp_rsp;
928abaa7
AE
692
693 hdev->amp_status = rp->amp_status;
694 hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
695 hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
696 hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
697 hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
698 hdev->amp_type = rp->amp_type;
699 hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
700 hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
701 hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
702 hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
703
8e2a0d92
AE
704a2mp_rsp:
705 a2mp_send_getinfo_rsp(hdev);
928abaa7
AE
706}
707
903e4541
AE
708static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
709 struct sk_buff *skb)
710{
711 struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
712 struct amp_assoc *assoc = &hdev->loc_assoc;
713 size_t rem_len, frag_len;
714
715 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
716
717 if (rp->status)
718 goto a2mp_rsp;
719
720 frag_len = skb->len - sizeof(*rp);
721 rem_len = __le16_to_cpu(rp->rem_len);
722
723 if (rem_len > frag_len) {
2e430be3 724 BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
903e4541
AE
725
726 memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
727 assoc->offset += frag_len;
728
729 /* Read other fragments */
730 amp_read_loc_assoc_frag(hdev, rp->phy_handle);
731
732 return;
733 }
734
735 memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
736 assoc->len = assoc->offset + rem_len;
737 assoc->offset = 0;
738
739a2mp_rsp:
740 /* Send A2MP Rsp when all fragments are received */
741 a2mp_send_getampassoc_rsp(hdev, rp->status);
9495b2ee 742 a2mp_send_create_phy_link_req(hdev, rp->status);
903e4541
AE
743}
744
d5859e22 745static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
807deac2 746 struct sk_buff *skb)
d5859e22 747{
91c4e9b1 748 struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
d5859e22 749
9f1db00c 750 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
91c4e9b1
MH
751
752 if (!rp->status)
753 hdev->inq_tx_power = rp->tx_power;
d5859e22
JH
754}
755
980e1a53
JH
756static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
757{
758 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
759 struct hci_cp_pin_code_reply *cp;
760 struct hci_conn *conn;
761
9f1db00c 762 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 763
56e5cb86
JH
764 hci_dev_lock(hdev);
765
a8b2d5c2 766 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 767 mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
980e1a53 768
fa1bd918 769 if (rp->status)
56e5cb86 770 goto unlock;
980e1a53
JH
771
772 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
773 if (!cp)
56e5cb86 774 goto unlock;
980e1a53
JH
775
776 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
777 if (conn)
778 conn->pin_length = cp->pin_len;
56e5cb86
JH
779
780unlock:
781 hci_dev_unlock(hdev);
980e1a53
JH
782}
783
784static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
785{
786 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
787
9f1db00c 788 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
980e1a53 789
56e5cb86
JH
790 hci_dev_lock(hdev);
791
a8b2d5c2 792 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 793 mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
807deac2 794 rp->status);
56e5cb86
JH
795
796 hci_dev_unlock(hdev);
980e1a53 797}
56e5cb86 798
6ed58ec5
VT
799static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
800 struct sk_buff *skb)
801{
802 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
803
9f1db00c 804 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
6ed58ec5
VT
805
806 if (rp->status)
807 return;
808
809 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
810 hdev->le_pkts = rp->le_max_pkt;
811
812 hdev->le_cnt = hdev->le_pkts;
813
814 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
6ed58ec5 815}
980e1a53 816
60e77321
JH
817static void hci_cc_le_read_local_features(struct hci_dev *hdev,
818 struct sk_buff *skb)
819{
820 struct hci_rp_le_read_local_features *rp = (void *) skb->data;
821
822 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
823
824 if (!rp->status)
825 memcpy(hdev->le_features, rp->features, 8);
60e77321
JH
826}
827
8fa19098
JH
828static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
829 struct sk_buff *skb)
830{
831 struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
832
833 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
834
04b4edcb 835 if (!rp->status)
8fa19098 836 hdev->adv_tx_power = rp->tx_power;
8fa19098
JH
837}
838
a5c29683
JH
839static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
840{
841 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
842
9f1db00c 843 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 844
56e5cb86
JH
845 hci_dev_lock(hdev);
846
a8b2d5c2 847 if (test_bit(HCI_MGMT, &hdev->dev_flags))
04124681
GP
848 mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
849 rp->status);
56e5cb86
JH
850
851 hci_dev_unlock(hdev);
a5c29683
JH
852}
853
854static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
807deac2 855 struct sk_buff *skb)
a5c29683
JH
856{
857 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
858
9f1db00c 859 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
a5c29683 860
56e5cb86
JH
861 hci_dev_lock(hdev);
862
a8b2d5c2 863 if (test_bit(HCI_MGMT, &hdev->dev_flags))
744cf19e 864 mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
04124681 865 ACL_LINK, 0, rp->status);
56e5cb86
JH
866
867 hci_dev_unlock(hdev);
a5c29683
JH
868}
869
1143d458
BG
870static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
871{
872 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
873
9f1db00c 874 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG
875
876 hci_dev_lock(hdev);
877
a8b2d5c2 878 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 879 mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
04124681 880 0, rp->status);
1143d458
BG
881
882 hci_dev_unlock(hdev);
883}
884
885static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
807deac2 886 struct sk_buff *skb)
1143d458
BG
887{
888 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
889
9f1db00c 890 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1143d458
BG
891
892 hci_dev_lock(hdev);
893
a8b2d5c2 894 if (test_bit(HCI_MGMT, &hdev->dev_flags))
1143d458 895 mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
04124681 896 ACL_LINK, 0, rp->status);
1143d458
BG
897
898 hci_dev_unlock(hdev);
899}
900
c35938b2 901static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
807deac2 902 struct sk_buff *skb)
c35938b2
SJ
903{
904 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
905
9f1db00c 906 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
c35938b2 907
56e5cb86 908 hci_dev_lock(hdev);
744cf19e 909 mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
c35938b2 910 rp->randomizer, rp->status);
56e5cb86 911 hci_dev_unlock(hdev);
c35938b2
SJ
912}
913
c1d5dc4a
JH
914static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
915{
916 __u8 *sent, status = *((__u8 *) skb->data);
917
918 BT_DBG("%s status 0x%2.2x", hdev->name, status);
919
920 sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
921 if (!sent)
922 return;
923
924 hci_dev_lock(hdev);
925
926 if (!status) {
927 if (*sent)
928 set_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
929 else
930 clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
931 }
932
04b4edcb
JH
933 if (!test_bit(HCI_INIT, &hdev->flags)) {
934 struct hci_request req;
c1d5dc4a 935
04b4edcb
JH
936 hci_req_init(&req, hdev);
937 hci_update_ad(&req);
938 hci_req_run(&req, NULL);
939 }
940
941 hci_dev_unlock(hdev);
c1d5dc4a
JH
942}
943
07f7fa5d
AG
944static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
945{
946 __u8 status = *((__u8 *) skb->data);
947
9f1db00c 948 BT_DBG("%s status 0x%2.2x", hdev->name, status);
7ba8b4be 949
3fd24153
AG
950 if (status) {
951 hci_dev_lock(hdev);
952 mgmt_start_discovery_failed(hdev, status);
953 hci_dev_unlock(hdev);
954 return;
955 }
07f7fa5d
AG
956}
957
eb9d91f5 958static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
807deac2 959 struct sk_buff *skb)
eb9d91f5
AG
960{
961 struct hci_cp_le_set_scan_enable *cp;
962 __u8 status = *((__u8 *) skb->data);
963
9f1db00c 964 BT_DBG("%s status 0x%2.2x", hdev->name, status);
eb9d91f5 965
eb9d91f5
AG
966 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
967 if (!cp)
968 return;
969
68a8aea4
AE
970 switch (cp->enable) {
971 case LE_SCANNING_ENABLED:
3fd24153
AG
972 if (status) {
973 hci_dev_lock(hdev);
974 mgmt_start_discovery_failed(hdev, status);
975 hci_dev_unlock(hdev);
7ba8b4be 976 return;
3fd24153 977 }
7ba8b4be 978
d23264a8
AG
979 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
980
a8f13c8c 981 hci_dev_lock(hdev);
343f935b 982 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
a8f13c8c 983 hci_dev_unlock(hdev);
68a8aea4
AE
984 break;
985
986 case LE_SCANNING_DISABLED:
c9ecc48e
AG
987 if (status) {
988 hci_dev_lock(hdev);
989 mgmt_stop_discovery_failed(hdev, status);
990 hci_dev_unlock(hdev);
7ba8b4be 991 return;
c9ecc48e 992 }
7ba8b4be 993
d23264a8
AG
994 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
995
bc3dd33c
AG
996 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
997 hdev->discovery.state == DISCOVERY_FINDING) {
5e0452c0
AG
998 mgmt_interleaved_discovery(hdev);
999 } else {
1000 hci_dev_lock(hdev);
1001 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1002 hci_dev_unlock(hdev);
1003 }
1004
68a8aea4
AE
1005 break;
1006
1007 default:
1008 BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
1009 break;
35815085 1010 }
eb9d91f5
AG
1011}
1012
cf1d081f
JH
1013static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
1014 struct sk_buff *skb)
1015{
1016 struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
1017
1018 BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
1019
1020 if (!rp->status)
1021 hdev->le_white_list_size = rp->size;
cf1d081f
JH
1022}
1023
9b008c04
JH
1024static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
1025 struct sk_buff *skb)
1026{
1027 struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
1028
1029 BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
1030
1031 if (!rp->status)
1032 memcpy(hdev->le_states, rp->le_states, 8);
9b008c04
JH
1033}
1034
6039aa73
GP
1035static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
1036 struct sk_buff *skb)
f9b49306 1037{
06199cf8 1038 struct hci_cp_write_le_host_supported *sent;
f9b49306
AG
1039 __u8 status = *((__u8 *) skb->data);
1040
9f1db00c 1041 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f9b49306 1042
06199cf8 1043 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
8f984dfa 1044 if (!sent)
f9b49306
AG
1045 return;
1046
8f984dfa
JH
1047 if (!status) {
1048 if (sent->le)
1049 hdev->host_features[0] |= LMP_HOST_LE;
1050 else
1051 hdev->host_features[0] &= ~LMP_HOST_LE;
53b2caab
JH
1052
1053 if (sent->simul)
1054 hdev->host_features[0] |= LMP_HOST_LE_BREDR;
1055 else
1056 hdev->host_features[0] &= ~LMP_HOST_LE_BREDR;
8f984dfa
JH
1057 }
1058
1059 if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
807deac2 1060 !test_bit(HCI_INIT, &hdev->flags))
8f984dfa 1061 mgmt_le_enable_complete(hdev, sent->le, status);
f9b49306
AG
1062}
1063
93c284ee
AE
1064static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
1065 struct sk_buff *skb)
1066{
1067 struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
1068
1069 BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
1070 hdev->name, rp->status, rp->phy_handle);
1071
1072 if (rp->status)
1073 return;
1074
1075 amp_write_rem_assoc_continue(hdev, rp->phy_handle);
1076}
1077
6039aa73 1078static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
a9de9248 1079{
9f1db00c 1080 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH
1081
1082 if (status) {
a9de9248 1083 hci_conn_check_pending(hdev);
56e5cb86 1084 hci_dev_lock(hdev);
a8b2d5c2 1085 if (test_bit(HCI_MGMT, &hdev->dev_flags))
7a135109 1086 mgmt_start_discovery_failed(hdev, status);
56e5cb86 1087 hci_dev_unlock(hdev);
314b2381
JH
1088 return;
1089 }
1090
89352e7d
AG
1091 set_bit(HCI_INQUIRY, &hdev->flags);
1092
56e5cb86 1093 hci_dev_lock(hdev);
343f935b 1094 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
56e5cb86 1095 hci_dev_unlock(hdev);
1da177e4
LT
1096}
1097
6039aa73 1098static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
1da177e4 1099{
a9de9248 1100 struct hci_cp_create_conn *cp;
1da177e4 1101 struct hci_conn *conn;
1da177e4 1102
9f1db00c 1103 BT_DBG("%s status 0x%2.2x", hdev->name, status);
a9de9248
MH
1104
1105 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT
1106 if (!cp)
1107 return;
1108
1109 hci_dev_lock(hdev);
1110
1111 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1112
6ed93dc6 1113 BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
1da177e4
LT
1114
1115 if (status) {
1116 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH
1117 if (status != 0x0c || conn->attempt > 2) {
1118 conn->state = BT_CLOSED;
1119 hci_proto_connect_cfm(conn, status);
1120 hci_conn_del(conn);
1121 } else
1122 conn->state = BT_CONNECT2;
1da177e4
LT
1123 }
1124 } else {
1125 if (!conn) {
1126 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
1127 if (conn) {
a0c808b3 1128 conn->out = true;
1da177e4
LT
1129 conn->link_mode |= HCI_LM_MASTER;
1130 } else
893ef971 1131 BT_ERR("No memory for new connection");
1da177e4
LT
1132 }
1133 }
1134
1135 hci_dev_unlock(hdev);
1136}
1137
a9de9248 1138static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1139{
a9de9248
MH
1140 struct hci_cp_add_sco *cp;
1141 struct hci_conn *acl, *sco;
1142 __u16 handle;
1da177e4 1143
9f1db00c 1144 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82 1145
a9de9248
MH
1146 if (!status)
1147 return;
1da177e4 1148
a9de9248
MH
1149 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1150 if (!cp)
1151 return;
1da177e4 1152
a9de9248 1153 handle = __le16_to_cpu(cp->handle);
1da177e4 1154
9f1db00c 1155 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
1da177e4 1156
a9de9248 1157 hci_dev_lock(hdev);
1da177e4 1158
a9de9248 1159 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE
1160 if (acl) {
1161 sco = acl->link;
1162 if (sco) {
1163 sco->state = BT_CLOSED;
1da177e4 1164
5a08ecce
AE
1165 hci_proto_connect_cfm(sco, status);
1166 hci_conn_del(sco);
1167 }
a9de9248 1168 }
1da177e4 1169
a9de9248
MH
1170 hci_dev_unlock(hdev);
1171}
1da177e4 1172
f8558555
MH
1173static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1174{
1175 struct hci_cp_auth_requested *cp;
1176 struct hci_conn *conn;
1177
9f1db00c 1178 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH
1179
1180 if (!status)
1181 return;
1182
1183 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1184 if (!cp)
1185 return;
1186
1187 hci_dev_lock(hdev);
1188
1189 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1190 if (conn) {
1191 if (conn->state == BT_CONFIG) {
1192 hci_proto_connect_cfm(conn, status);
1193 hci_conn_put(conn);
1194 }
1195 }
1196
1197 hci_dev_unlock(hdev);
1198}
1199
1200static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1201{
1202 struct hci_cp_set_conn_encrypt *cp;
1203 struct hci_conn *conn;
1204
9f1db00c 1205 BT_DBG("%s status 0x%2.2x", hdev->name, status);
f8558555
MH
1206
1207 if (!status)
1208 return;
1209
1210 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1211 if (!cp)
1212 return;
1213
1214 hci_dev_lock(hdev);
1215
1216 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1217 if (conn) {
1218 if (conn->state == BT_CONFIG) {
1219 hci_proto_connect_cfm(conn, status);
1220 hci_conn_put(conn);
1221 }
1222 }
1223
1224 hci_dev_unlock(hdev);
1225}
1226
127178d2 1227static int hci_outgoing_auth_needed(struct hci_dev *hdev,
807deac2 1228 struct hci_conn *conn)
392599b9 1229{
392599b9
JH
1230 if (conn->state != BT_CONFIG || !conn->out)
1231 return 0;
1232
765c2a96 1233 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH
1234 return 0;
1235
1236 /* Only request authentication for SSP connections or non-SSP
e9bf2bf0 1237 * devices with sec_level HIGH or if MITM protection is requested */
807deac2
GP
1238 if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
1239 conn->pending_sec_level != BT_SECURITY_HIGH)
392599b9
JH
1240 return 0;
1241
392599b9
JH
1242 return 1;
1243}
1244
6039aa73 1245static int hci_resolve_name(struct hci_dev *hdev,
04124681 1246 struct inquiry_entry *e)
30dc78e1
JH
1247{
1248 struct hci_cp_remote_name_req cp;
1249
1250 memset(&cp, 0, sizeof(cp));
1251
1252 bacpy(&cp.bdaddr, &e->data.bdaddr);
1253 cp.pscan_rep_mode = e->data.pscan_rep_mode;
1254 cp.pscan_mode = e->data.pscan_mode;
1255 cp.clock_offset = e->data.clock_offset;
1256
1257 return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1258}
1259
b644ba33 1260static bool hci_resolve_next_name(struct hci_dev *hdev)
30dc78e1
JH
1261{
1262 struct discovery_state *discov = &hdev->discovery;
1263 struct inquiry_entry *e;
1264
b644ba33
JH
1265 if (list_empty(&discov->resolve))
1266 return false;
1267
1268 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
c810089c
RM
1269 if (!e)
1270 return false;
1271
b644ba33
JH
1272 if (hci_resolve_name(hdev, e) == 0) {
1273 e->name_state = NAME_PENDING;
1274 return true;
1275 }
1276
1277 return false;
1278}
1279
1280static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
04124681 1281 bdaddr_t *bdaddr, u8 *name, u8 name_len)
b644ba33
JH
1282{
1283 struct discovery_state *discov = &hdev->discovery;
1284 struct inquiry_entry *e;
1285
1286 if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
04124681
GP
1287 mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
1288 name_len, conn->dev_class);
b644ba33
JH
1289
1290 if (discov->state == DISCOVERY_STOPPED)
1291 return;
1292
30dc78e1
JH
1293 if (discov->state == DISCOVERY_STOPPING)
1294 goto discov_complete;
1295
1296 if (discov->state != DISCOVERY_RESOLVING)
1297 return;
1298
1299 e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
7cc8380e
RM
1300 /* If the device was not found in a list of found devices names of which
1301 * are pending. there is no need to continue resolving a next name as it
1302 * will be done upon receiving another Remote Name Request Complete
1303 * Event */
1304 if (!e)
1305 return;
1306
1307 list_del(&e->list);
1308 if (name) {
30dc78e1 1309 e->name_state = NAME_KNOWN;
7cc8380e
RM
1310 mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
1311 e->data.rssi, name, name_len);
c3e7c0d9
RM
1312 } else {
1313 e->name_state = NAME_NOT_KNOWN;
30dc78e1
JH
1314 }
1315
b644ba33 1316 if (hci_resolve_next_name(hdev))
30dc78e1 1317 return;
30dc78e1
JH
1318
1319discov_complete:
1320 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1321}
1322
a9de9248
MH
1323static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1324{
127178d2
JH
1325 struct hci_cp_remote_name_req *cp;
1326 struct hci_conn *conn;
1327
9f1db00c 1328 BT_DBG("%s status 0x%2.2x", hdev->name, status);
127178d2
JH
1329
1330 /* If successful wait for the name req complete event before
1331 * checking for the need to do authentication */
1332 if (!status)
1333 return;
1334
1335 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1336 if (!cp)
1337 return;
1338
1339 hci_dev_lock(hdev);
1340
b644ba33
JH
1341 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
1342
a8b2d5c2 1343 if (test_bit(HCI_MGMT, &hdev->dev_flags))
b644ba33 1344 hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
30dc78e1 1345
79c6c70c
JH
1346 if (!conn)
1347 goto unlock;
1348
1349 if (!hci_outgoing_auth_needed(hdev, conn))
1350 goto unlock;
1351
51a8efd7 1352 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH
1353 struct hci_cp_auth_requested cp;
1354 cp.handle = __cpu_to_le16(conn->handle);
1355 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1356 }
1357
79c6c70c 1358unlock:
127178d2 1359 hci_dev_unlock(hdev);
a9de9248 1360}
1da177e4 1361
769be974
MH
1362static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1363{
1364 struct hci_cp_read_remote_features *cp;
1365 struct hci_conn *conn;
1366
9f1db00c 1367 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH
1368
1369 if (!status)
1370 return;
1371
1372 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1373 if (!cp)
1374 return;
1375
1376 hci_dev_lock(hdev);
1377
1378 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1379 if (conn) {
1380 if (conn->state == BT_CONFIG) {
769be974
MH
1381 hci_proto_connect_cfm(conn, status);
1382 hci_conn_put(conn);
1383 }
1384 }
1385
1386 hci_dev_unlock(hdev);
1387}
1388
1389static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1390{
1391 struct hci_cp_read_remote_ext_features *cp;
1392 struct hci_conn *conn;
1393
9f1db00c 1394 BT_DBG("%s status 0x%2.2x", hdev->name, status);
769be974
MH
1395
1396 if (!status)
1397 return;
1398
1399 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1400 if (!cp)
1401 return;
1402
1403 hci_dev_lock(hdev);
1404
1405 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1406 if (conn) {
1407 if (conn->state == BT_CONFIG) {
769be974
MH
1408 hci_proto_connect_cfm(conn, status);
1409 hci_conn_put(conn);
1410 }
1411 }
1412
1413 hci_dev_unlock(hdev);
1414}
1415
a9de9248
MH
1416static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1417{
b6a0dc82
MH
1418 struct hci_cp_setup_sync_conn *cp;
1419 struct hci_conn *acl, *sco;
1420 __u16 handle;
1421
9f1db00c 1422 BT_DBG("%s status 0x%2.2x", hdev->name, status);
b6a0dc82
MH
1423
1424 if (!status)
1425 return;
1426
1427 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1428 if (!cp)
1429 return;
1430
1431 handle = __le16_to_cpu(cp->handle);
1432
9f1db00c 1433 BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
b6a0dc82
MH
1434
1435 hci_dev_lock(hdev);
1436
1437 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE
1438 if (acl) {
1439 sco = acl->link;
1440 if (sco) {
1441 sco->state = BT_CLOSED;
b6a0dc82 1442
5a08ecce
AE
1443 hci_proto_connect_cfm(sco, status);
1444 hci_conn_del(sco);
1445 }
b6a0dc82
MH
1446 }
1447
1448 hci_dev_unlock(hdev);
1da177e4
LT
1449}
1450
a9de9248 1451static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1452{
a9de9248
MH
1453 struct hci_cp_sniff_mode *cp;
1454 struct hci_conn *conn;
1da177e4 1455
9f1db00c 1456 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1457
a9de9248
MH
1458 if (!status)
1459 return;
04837f64 1460
a9de9248
MH
1461 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1462 if (!cp)
1463 return;
04837f64 1464
a9de9248 1465 hci_dev_lock(hdev);
04837f64 1466
a9de9248 1467 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1468 if (conn) {
51a8efd7 1469 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
04837f64 1470
51a8efd7 1471 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH
1472 hci_sco_setup(conn, status);
1473 }
1474
a9de9248
MH
1475 hci_dev_unlock(hdev);
1476}
04837f64 1477
a9de9248
MH
1478static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1479{
1480 struct hci_cp_exit_sniff_mode *cp;
1481 struct hci_conn *conn;
04837f64 1482
9f1db00c 1483 BT_DBG("%s status 0x%2.2x", hdev->name, status);
04837f64 1484
a9de9248
MH
1485 if (!status)
1486 return;
04837f64 1487
a9de9248
MH
1488 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1489 if (!cp)
1490 return;
04837f64 1491
a9de9248 1492 hci_dev_lock(hdev);
1da177e4 1493
a9de9248 1494 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1495 if (conn) {
51a8efd7 1496 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
1da177e4 1497
51a8efd7 1498 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8
MH
1499 hci_sco_setup(conn, status);
1500 }
1501
a9de9248 1502 hci_dev_unlock(hdev);
1da177e4
LT
1503}
1504
88c3df13
JH
1505static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
1506{
1507 struct hci_cp_disconnect *cp;
1508 struct hci_conn *conn;
1509
1510 if (!status)
1511 return;
1512
1513 cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
1514 if (!cp)
1515 return;
1516
1517 hci_dev_lock(hdev);
1518
1519 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1520 if (conn)
1521 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
04124681 1522 conn->dst_type, status);
88c3df13
JH
1523
1524 hci_dev_unlock(hdev);
1525}
1526
fcd89c09
VT
1527static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
1528{
fcd89c09
VT
1529 struct hci_conn *conn;
1530
9f1db00c 1531 BT_DBG("%s status 0x%2.2x", hdev->name, status);
fcd89c09 1532
f00a06ac
AG
1533 if (status) {
1534 hci_dev_lock(hdev);
fcd89c09 1535
0c95ab78 1536 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
f00a06ac
AG
1537 if (!conn) {
1538 hci_dev_unlock(hdev);
1539 return;
1540 }
fcd89c09 1541
6ed93dc6 1542 BT_DBG("%s bdaddr %pMR conn %p", hdev->name, &conn->dst, conn);
fcd89c09 1543
f00a06ac 1544 conn->state = BT_CLOSED;
0c95ab78 1545 mgmt_connect_failed(hdev, &conn->dst, conn->type,
f00a06ac
AG
1546 conn->dst_type, status);
1547 hci_proto_connect_cfm(conn, status);
1548 hci_conn_del(conn);
fcd89c09 1549
f00a06ac
AG
1550 hci_dev_unlock(hdev);
1551 }
fcd89c09
VT
1552}
1553
a02226d6
AE
1554static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
1555{
93c284ee
AE
1556 struct hci_cp_create_phy_link *cp;
1557
a02226d6 1558 BT_DBG("%s status 0x%2.2x", hdev->name, status);
93c284ee 1559
93c284ee
AE
1560 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
1561 if (!cp)
1562 return;
1563
e58917b9
AE
1564 hci_dev_lock(hdev);
1565
1566 if (status) {
1567 struct hci_conn *hcon;
1568
1569 hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
1570 if (hcon)
1571 hci_conn_del(hcon);
1572 } else {
1573 amp_write_remote_assoc(hdev, cp->phy_handle);
1574 }
1575
1576 hci_dev_unlock(hdev);
a02226d6
AE
1577}
1578
0b26ab9d
AE
1579static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
1580{
1581 struct hci_cp_accept_phy_link *cp;
1582
1583 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1584
1585 if (status)
1586 return;
1587
1588 cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
1589 if (!cp)
1590 return;
1591
1592 amp_write_remote_assoc(hdev, cp->phy_handle);
1593}
1594
6039aa73 1595static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4
LT
1596{
1597 __u8 status = *((__u8 *) skb->data);
30dc78e1
JH
1598 struct discovery_state *discov = &hdev->discovery;
1599 struct inquiry_entry *e;
1da177e4 1600
9f1db00c 1601 BT_DBG("%s status 0x%2.2x", hdev->name, status);
1da177e4 1602
a9de9248 1603 hci_conn_check_pending(hdev);
89352e7d
AG
1604
1605 if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
1606 return;
1607
3e13fa1e
AG
1608 smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */
1609 wake_up_bit(&hdev->flags, HCI_INQUIRY);
1610
a8b2d5c2 1611 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
30dc78e1
JH
1612 return;
1613
56e5cb86 1614 hci_dev_lock(hdev);
30dc78e1 1615
343f935b 1616 if (discov->state != DISCOVERY_FINDING)
30dc78e1
JH
1617 goto unlock;
1618
1619 if (list_empty(&discov->resolve)) {
1620 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1621 goto unlock;
1622 }
1623
1624 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
1625 if (e && hci_resolve_name(hdev, e) == 0) {
1626 e->name_state = NAME_PENDING;
1627 hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
1628 } else {
1629 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
1630 }
1631
1632unlock:
56e5cb86 1633 hci_dev_unlock(hdev);
1da177e4
LT
1634}
1635
6039aa73 1636static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1637{
45bb4bf0 1638 struct inquiry_data data;
a9de9248 1639 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT
1640 int num_rsp = *((__u8 *) skb->data);
1641
1642 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1643
45bb4bf0
MH
1644 if (!num_rsp)
1645 return;
1646
1519cc17
AG
1647 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
1648 return;
1649
1da177e4 1650 hci_dev_lock(hdev);
45bb4bf0 1651
e17acd40 1652 for (; num_rsp; num_rsp--, info++) {
388fc8fa 1653 bool name_known, ssp;
3175405b 1654
1da177e4
LT
1655 bacpy(&data.bdaddr, &info->bdaddr);
1656 data.pscan_rep_mode = info->pscan_rep_mode;
1657 data.pscan_period_mode = info->pscan_period_mode;
1658 data.pscan_mode = info->pscan_mode;
1659 memcpy(data.dev_class, info->dev_class, 3);
1660 data.clock_offset = info->clock_offset;
1661 data.rssi = 0x00;
41a96212 1662 data.ssp_mode = 0x00;
3175405b 1663
388fc8fa 1664 name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
48264f06 1665 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
1666 info->dev_class, 0, !name_known, ssp, NULL,
1667 0);
1da177e4 1668 }
45bb4bf0 1669
1da177e4
LT
1670 hci_dev_unlock(hdev);
1671}
1672
6039aa73 1673static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1674{
a9de9248
MH
1675 struct hci_ev_conn_complete *ev = (void *) skb->data;
1676 struct hci_conn *conn;
1da177e4
LT
1677
1678 BT_DBG("%s", hdev->name);
1679
1680 hci_dev_lock(hdev);
1681
1682 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH
1683 if (!conn) {
1684 if (ev->link_type != SCO_LINK)
1685 goto unlock;
1686
1687 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1688 if (!conn)
1689 goto unlock;
1690
1691 conn->type = SCO_LINK;
1692 }
1da177e4
LT
1693
1694 if (!ev->status) {
1695 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH
1696
1697 if (conn->type == ACL_LINK) {
1698 conn->state = BT_CONFIG;
1699 hci_conn_hold(conn);
a9ea3ed9
SJ
1700
1701 if (!conn->out && !hci_conn_ssp_enabled(conn) &&
1702 !hci_find_link_key(hdev, &ev->bdaddr))
1703 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
1704 else
1705 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
769be974
MH
1706 } else
1707 conn->state = BT_CONNECTED;
1da177e4 1708
9eba32b8 1709 hci_conn_hold_device(conn);
7d0db0a3
MH
1710 hci_conn_add_sysfs(conn);
1711
1da177e4
LT
1712 if (test_bit(HCI_AUTH, &hdev->flags))
1713 conn->link_mode |= HCI_LM_AUTH;
1714
1715 if (test_bit(HCI_ENCRYPT, &hdev->flags))
1716 conn->link_mode |= HCI_LM_ENCRYPT;
1717
04837f64
MH
1718 /* Get remote features */
1719 if (conn->type == ACL_LINK) {
1720 struct hci_cp_read_remote_features cp;
1721 cp.handle = ev->handle;
769be974 1722 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
04124681 1723 sizeof(cp), &cp);
04837f64
MH
1724 }
1725
1da177e4 1726 /* Set packet type for incoming connection */
d095c1eb 1727 if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
1da177e4
LT
1728 struct hci_cp_change_conn_ptype cp;
1729 cp.handle = ev->handle;
a8746417 1730 cp.pkt_type = cpu_to_le16(conn->pkt_type);
04124681
GP
1731 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
1732 &cp);
1da177e4 1733 }
17d5c04c 1734 } else {
1da177e4 1735 conn->state = BT_CLOSED;
17d5c04c 1736 if (conn->type == ACL_LINK)
744cf19e 1737 mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
04124681 1738 conn->dst_type, ev->status);
17d5c04c 1739 }
1da177e4 1740
e73439d8
MH
1741 if (conn->type == ACL_LINK)
1742 hci_sco_setup(conn, ev->status);
1da177e4 1743
769be974
MH
1744 if (ev->status) {
1745 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1746 hci_conn_del(conn);
c89b6e6b
MH
1747 } else if (ev->link_type != ACL_LINK)
1748 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1749
a9de9248 1750unlock:
1da177e4 1751 hci_dev_unlock(hdev);
1da177e4 1752
a9de9248 1753 hci_conn_check_pending(hdev);
1da177e4
LT
1754}
1755
20714bfe
FD
1756void hci_conn_accept(struct hci_conn *conn, int mask)
1757{
1758 struct hci_dev *hdev = conn->hdev;
1759
1760 BT_DBG("conn %p", conn);
1761
1762 conn->state = BT_CONFIG;
1763
1764 if (!lmp_esco_capable(hdev)) {
1765 struct hci_cp_accept_conn_req cp;
1766
1767 bacpy(&cp.bdaddr, &conn->dst);
1768
1769 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
1770 cp.role = 0x00; /* Become master */
1771 else
1772 cp.role = 0x01; /* Remain slave */
1773
1774 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
1775 } else /* lmp_esco_capable(hdev)) */ {
1776 struct hci_cp_accept_sync_conn_req cp;
1777
1778 bacpy(&cp.bdaddr, &conn->dst);
1779 cp.pkt_type = cpu_to_le16(conn->pkt_type);
1780
1781 cp.tx_bandwidth = __constant_cpu_to_le32(0x00001f40);
1782 cp.rx_bandwidth = __constant_cpu_to_le32(0x00001f40);
1783 cp.max_latency = __constant_cpu_to_le16(0xffff);
1784 cp.content_format = cpu_to_le16(hdev->voice_setting);
1785 cp.retrans_effort = 0xff;
1786
1787 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
1788 sizeof(cp), &cp);
1789 }
1790}
1791
6039aa73 1792static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1793{
a9de9248
MH
1794 struct hci_ev_conn_request *ev = (void *) skb->data;
1795 int mask = hdev->link_mode;
20714bfe 1796 __u8 flags = 0;
1da177e4 1797
6ed93dc6 1798 BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
807deac2 1799 ev->link_type);
1da177e4 1800
20714bfe
FD
1801 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
1802 &flags);
1da177e4 1803
138d22ef 1804 if ((mask & HCI_LM_ACCEPT) &&
807deac2 1805 !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
a9de9248 1806 /* Connection accepted */
c7bdd502 1807 struct inquiry_entry *ie;
1da177e4 1808 struct hci_conn *conn;
1da177e4 1809
a9de9248 1810 hci_dev_lock(hdev);
b6a0dc82 1811
cc11b9c1
AE
1812 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
1813 if (ie)
c7bdd502
MH
1814 memcpy(ie->data.dev_class, ev->dev_class, 3);
1815
8fc9ced3
GP
1816 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
1817 &ev->bdaddr);
a9de9248 1818 if (!conn) {
cc11b9c1
AE
1819 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
1820 if (!conn) {
893ef971 1821 BT_ERR("No memory for new connection");
a9de9248
MH
1822 hci_dev_unlock(hdev);
1823 return;
1da177e4
LT
1824 }
1825 }
b6a0dc82 1826
a9de9248 1827 memcpy(conn->dev_class, ev->dev_class, 3);
b6a0dc82 1828
a9de9248 1829 hci_dev_unlock(hdev);
1da177e4 1830
20714bfe
FD
1831 if (ev->link_type == ACL_LINK ||
1832 (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
b6a0dc82 1833 struct hci_cp_accept_conn_req cp;
20714bfe 1834 conn->state = BT_CONNECT;
1da177e4 1835
b6a0dc82
MH
1836 bacpy(&cp.bdaddr, &ev->bdaddr);
1837
1838 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
1839 cp.role = 0x00; /* Become master */
1840 else
1841 cp.role = 0x01; /* Remain slave */
1842
04124681
GP
1843 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
1844 &cp);
20714bfe 1845 } else if (!(flags & HCI_PROTO_DEFER)) {
b6a0dc82 1846 struct hci_cp_accept_sync_conn_req cp;
20714bfe 1847 conn->state = BT_CONNECT;
b6a0dc82
MH
1848
1849 bacpy(&cp.bdaddr, &ev->bdaddr);
a8746417 1850 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82 1851
82781e63
AE
1852 cp.tx_bandwidth = __constant_cpu_to_le32(0x00001f40);
1853 cp.rx_bandwidth = __constant_cpu_to_le32(0x00001f40);
1854 cp.max_latency = __constant_cpu_to_le16(0xffff);
b6a0dc82
MH
1855 cp.content_format = cpu_to_le16(hdev->voice_setting);
1856 cp.retrans_effort = 0xff;
1da177e4 1857
b6a0dc82 1858 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
04124681 1859 sizeof(cp), &cp);
20714bfe
FD
1860 } else {
1861 conn->state = BT_CONNECT2;
1862 hci_proto_connect_cfm(conn, 0);
1863 hci_conn_put(conn);
b6a0dc82 1864 }
a9de9248
MH
1865 } else {
1866 /* Connection rejected */
1867 struct hci_cp_reject_conn_req cp;
1da177e4 1868
a9de9248 1869 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 1870 cp.reason = HCI_ERROR_REJ_BAD_ADDR;
a9de9248 1871 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
1da177e4 1872 }
1da177e4
LT
1873}
1874
f0d6a0ea
MA
1875static u8 hci_to_mgmt_reason(u8 err)
1876{
1877 switch (err) {
1878 case HCI_ERROR_CONNECTION_TIMEOUT:
1879 return MGMT_DEV_DISCONN_TIMEOUT;
1880 case HCI_ERROR_REMOTE_USER_TERM:
1881 case HCI_ERROR_REMOTE_LOW_RESOURCES:
1882 case HCI_ERROR_REMOTE_POWER_OFF:
1883 return MGMT_DEV_DISCONN_REMOTE;
1884 case HCI_ERROR_LOCAL_HOST_TERM:
1885 return MGMT_DEV_DISCONN_LOCAL_HOST;
1886 default:
1887 return MGMT_DEV_DISCONN_UNKNOWN;
1888 }
1889}
1890
6039aa73 1891static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 1892{
a9de9248 1893 struct hci_ev_disconn_complete *ev = (void *) skb->data;
04837f64
MH
1894 struct hci_conn *conn;
1895
9f1db00c 1896 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH
1897
1898 hci_dev_lock(hdev);
1899
1900 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH
1901 if (!conn)
1902 goto unlock;
7d0db0a3 1903
37d9ef76
JH
1904 if (ev->status == 0)
1905 conn->state = BT_CLOSED;
04837f64 1906
b644ba33 1907 if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
807deac2 1908 (conn->type == ACL_LINK || conn->type == LE_LINK)) {
f0d6a0ea 1909 if (ev->status) {
88c3df13 1910 mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
807deac2 1911 conn->dst_type, ev->status);
f0d6a0ea
MA
1912 } else {
1913 u8 reason = hci_to_mgmt_reason(ev->reason);
1914
afc747a6 1915 mgmt_device_disconnected(hdev, &conn->dst, conn->type,
f0d6a0ea
MA
1916 conn->dst_type, reason);
1917 }
37d9ef76 1918 }
f7520543 1919
37d9ef76 1920 if (ev->status == 0) {
6ec5bcad
VA
1921 if (conn->type == ACL_LINK && conn->flush_key)
1922 hci_remove_link_key(hdev, &conn->dst);
37d9ef76
JH
1923 hci_proto_disconn_cfm(conn, ev->reason);
1924 hci_conn_del(conn);
1925 }
f7520543
JH
1926
1927unlock:
04837f64
MH
1928 hci_dev_unlock(hdev);
1929}
1930
6039aa73 1931static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1932{
a9de9248 1933 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 1934 struct hci_conn *conn;
1da177e4 1935
9f1db00c 1936 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
1937
1938 hci_dev_lock(hdev);
1939
04837f64 1940 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR
1941 if (!conn)
1942 goto unlock;
1943
1944 if (!ev->status) {
aa64a8b5 1945 if (!hci_conn_ssp_enabled(conn) &&
807deac2 1946 test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
d7556e20 1947 BT_INFO("re-auth of legacy device is not possible.");
2a611692 1948 } else {
d7556e20
WR
1949 conn->link_mode |= HCI_LM_AUTH;
1950 conn->sec_level = conn->pending_sec_level;
2a611692 1951 }
d7556e20 1952 } else {
bab73cb6 1953 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 1954 ev->status);
d7556e20 1955 }
1da177e4 1956
51a8efd7
JH
1957 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1958 clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
1da177e4 1959
d7556e20 1960 if (conn->state == BT_CONFIG) {
aa64a8b5 1961 if (!ev->status && hci_conn_ssp_enabled(conn)) {
d7556e20
WR
1962 struct hci_cp_set_conn_encrypt cp;
1963 cp.handle = ev->handle;
1964 cp.encrypt = 0x01;
1965 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 1966 &cp);
052b30b0 1967 } else {
d7556e20
WR
1968 conn->state = BT_CONNECTED;
1969 hci_proto_connect_cfm(conn, ev->status);
052b30b0
MH
1970 hci_conn_put(conn);
1971 }
d7556e20
WR
1972 } else {
1973 hci_auth_cfm(conn, ev->status);
052b30b0 1974
d7556e20
WR
1975 hci_conn_hold(conn);
1976 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1977 hci_conn_put(conn);
1978 }
1979
51a8efd7 1980 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
d7556e20
WR
1981 if (!ev->status) {
1982 struct hci_cp_set_conn_encrypt cp;
1983 cp.handle = ev->handle;
1984 cp.encrypt = 0x01;
1985 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
807deac2 1986 &cp);
d7556e20 1987 } else {
51a8efd7 1988 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
d7556e20 1989 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT
1990 }
1991 }
1992
d7556e20 1993unlock:
1da177e4
LT
1994 hci_dev_unlock(hdev);
1995}
1996
6039aa73 1997static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1998{
127178d2
JH
1999 struct hci_ev_remote_name *ev = (void *) skb->data;
2000 struct hci_conn *conn;
2001
a9de9248 2002 BT_DBG("%s", hdev->name);
1da177e4 2003
a9de9248 2004 hci_conn_check_pending(hdev);
127178d2
JH
2005
2006 hci_dev_lock(hdev);
2007
b644ba33 2008 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
30dc78e1 2009
b644ba33
JH
2010 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2011 goto check_auth;
a88a9652 2012
b644ba33
JH
2013 if (ev->status == 0)
2014 hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
04124681 2015 strnlen(ev->name, HCI_MAX_NAME_LENGTH));
b644ba33
JH
2016 else
2017 hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
2018
2019check_auth:
79c6c70c
JH
2020 if (!conn)
2021 goto unlock;
2022
2023 if (!hci_outgoing_auth_needed(hdev, conn))
2024 goto unlock;
2025
51a8efd7 2026 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
127178d2
JH
2027 struct hci_cp_auth_requested cp;
2028 cp.handle = __cpu_to_le16(conn->handle);
2029 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
2030 }
2031
79c6c70c 2032unlock:
127178d2 2033 hci_dev_unlock(hdev);
a9de9248
MH
2034}
2035
6039aa73 2036static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2037{
2038 struct hci_ev_encrypt_change *ev = (void *) skb->data;
2039 struct hci_conn *conn;
2040
9f1db00c 2041 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2042
2043 hci_dev_lock(hdev);
2044
04837f64 2045 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2046 if (conn) {
2047 if (!ev->status) {
ae293196
MH
2048 if (ev->encrypt) {
2049 /* Encryption implies authentication */
2050 conn->link_mode |= HCI_LM_AUTH;
1da177e4 2051 conn->link_mode |= HCI_LM_ENCRYPT;
da85e5e5 2052 conn->sec_level = conn->pending_sec_level;
ae293196 2053 } else
1da177e4
LT
2054 conn->link_mode &= ~HCI_LM_ENCRYPT;
2055 }
2056
51a8efd7 2057 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
1da177e4 2058
a7d7723a 2059 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 2060 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
a7d7723a
GP
2061 hci_conn_put(conn);
2062 goto unlock;
2063 }
2064
f8558555
MH
2065 if (conn->state == BT_CONFIG) {
2066 if (!ev->status)
2067 conn->state = BT_CONNECTED;
2068
2069 hci_proto_connect_cfm(conn, ev->status);
2070 hci_conn_put(conn);
2071 } else
2072 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
1da177e4
LT
2073 }
2074
a7d7723a 2075unlock:
1da177e4
LT
2076 hci_dev_unlock(hdev);
2077}
2078
6039aa73
GP
2079static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
2080 struct sk_buff *skb)
1da177e4 2081{
a9de9248 2082 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 2083 struct hci_conn *conn;
1da177e4 2084
9f1db00c 2085 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2086
2087 hci_dev_lock(hdev);
2088
04837f64 2089 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2090 if (conn) {
2091 if (!ev->status)
2092 conn->link_mode |= HCI_LM_SECURE;
2093
51a8efd7 2094 clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
1da177e4
LT
2095
2096 hci_key_change_cfm(conn, ev->status);
2097 }
2098
2099 hci_dev_unlock(hdev);
2100}
2101
6039aa73
GP
2102static void hci_remote_features_evt(struct hci_dev *hdev,
2103 struct sk_buff *skb)
1da177e4 2104{
a9de9248
MH
2105 struct hci_ev_remote_features *ev = (void *) skb->data;
2106 struct hci_conn *conn;
2107
9f1db00c 2108 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248 2109
a9de9248
MH
2110 hci_dev_lock(hdev);
2111
2112 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
2113 if (!conn)
2114 goto unlock;
769be974 2115
ccd556fe
JH
2116 if (!ev->status)
2117 memcpy(conn->features, ev->features, 8);
2118
2119 if (conn->state != BT_CONFIG)
2120 goto unlock;
2121
2122 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
2123 struct hci_cp_read_remote_ext_features cp;
2124 cp.handle = ev->handle;
2125 cp.page = 0x01;
2126 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
807deac2 2127 sizeof(cp), &cp);
392599b9
JH
2128 goto unlock;
2129 }
2130
671267bf 2131 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH
2132 struct hci_cp_remote_name_req cp;
2133 memset(&cp, 0, sizeof(cp));
2134 bacpy(&cp.bdaddr, &conn->dst);
2135 cp.pscan_rep_mode = 0x02;
2136 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH
2137 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2138 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP
2139 conn->dst_type, 0, NULL, 0,
2140 conn->dev_class);
392599b9 2141
127178d2 2142 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
2143 conn->state = BT_CONNECTED;
2144 hci_proto_connect_cfm(conn, ev->status);
2145 hci_conn_put(conn);
769be974 2146 }
a9de9248 2147
ccd556fe 2148unlock:
a9de9248 2149 hci_dev_unlock(hdev);
1da177e4
LT
2150}
2151
6039aa73 2152static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2153{
2154 struct hci_ev_cmd_complete *ev = (void *) skb->data;
9238f36a 2155 u8 status = skb->data[sizeof(*ev)];
a9de9248
MH
2156 __u16 opcode;
2157
2158 skb_pull(skb, sizeof(*ev));
2159
2160 opcode = __le16_to_cpu(ev->opcode);
2161
2162 switch (opcode) {
2163 case HCI_OP_INQUIRY_CANCEL:
2164 hci_cc_inquiry_cancel(hdev, skb);
2165 break;
2166
4d93483b
AG
2167 case HCI_OP_PERIODIC_INQ:
2168 hci_cc_periodic_inq(hdev, skb);
2169 break;
2170
a9de9248
MH
2171 case HCI_OP_EXIT_PERIODIC_INQ:
2172 hci_cc_exit_periodic_inq(hdev, skb);
2173 break;
2174
2175 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
2176 hci_cc_remote_name_req_cancel(hdev, skb);
2177 break;
2178
2179 case HCI_OP_ROLE_DISCOVERY:
2180 hci_cc_role_discovery(hdev, skb);
2181 break;
2182
e4e8e37c
MH
2183 case HCI_OP_READ_LINK_POLICY:
2184 hci_cc_read_link_policy(hdev, skb);
2185 break;
2186
a9de9248
MH
2187 case HCI_OP_WRITE_LINK_POLICY:
2188 hci_cc_write_link_policy(hdev, skb);
2189 break;
2190
e4e8e37c
MH
2191 case HCI_OP_READ_DEF_LINK_POLICY:
2192 hci_cc_read_def_link_policy(hdev, skb);
2193 break;
2194
2195 case HCI_OP_WRITE_DEF_LINK_POLICY:
2196 hci_cc_write_def_link_policy(hdev, skb);
2197 break;
2198
a9de9248
MH
2199 case HCI_OP_RESET:
2200 hci_cc_reset(hdev, skb);
2201 break;
2202
2203 case HCI_OP_WRITE_LOCAL_NAME:
2204 hci_cc_write_local_name(hdev, skb);
2205 break;
2206
2207 case HCI_OP_READ_LOCAL_NAME:
2208 hci_cc_read_local_name(hdev, skb);
2209 break;
2210
2211 case HCI_OP_WRITE_AUTH_ENABLE:
2212 hci_cc_write_auth_enable(hdev, skb);
2213 break;
2214
2215 case HCI_OP_WRITE_ENCRYPT_MODE:
2216 hci_cc_write_encrypt_mode(hdev, skb);
2217 break;
2218
2219 case HCI_OP_WRITE_SCAN_ENABLE:
2220 hci_cc_write_scan_enable(hdev, skb);
2221 break;
2222
2223 case HCI_OP_READ_CLASS_OF_DEV:
2224 hci_cc_read_class_of_dev(hdev, skb);
2225 break;
2226
2227 case HCI_OP_WRITE_CLASS_OF_DEV:
2228 hci_cc_write_class_of_dev(hdev, skb);
2229 break;
2230
2231 case HCI_OP_READ_VOICE_SETTING:
2232 hci_cc_read_voice_setting(hdev, skb);
2233 break;
2234
2235 case HCI_OP_WRITE_VOICE_SETTING:
2236 hci_cc_write_voice_setting(hdev, skb);
2237 break;
2238
333140b5
MH
2239 case HCI_OP_WRITE_SSP_MODE:
2240 hci_cc_write_ssp_mode(hdev, skb);
2241 break;
2242
a9de9248
MH
2243 case HCI_OP_READ_LOCAL_VERSION:
2244 hci_cc_read_local_version(hdev, skb);
2245 break;
2246
2247 case HCI_OP_READ_LOCAL_COMMANDS:
2248 hci_cc_read_local_commands(hdev, skb);
2249 break;
2250
2251 case HCI_OP_READ_LOCAL_FEATURES:
2252 hci_cc_read_local_features(hdev, skb);
2253 break;
2254
971e3a4b
AG
2255 case HCI_OP_READ_LOCAL_EXT_FEATURES:
2256 hci_cc_read_local_ext_features(hdev, skb);
2257 break;
2258
a9de9248
MH
2259 case HCI_OP_READ_BUFFER_SIZE:
2260 hci_cc_read_buffer_size(hdev, skb);
2261 break;
2262
2263 case HCI_OP_READ_BD_ADDR:
2264 hci_cc_read_bd_addr(hdev, skb);
2265 break;
2266
f332ec66
JH
2267 case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
2268 hci_cc_read_page_scan_activity(hdev, skb);
2269 break;
2270
4a3ee763
JH
2271 case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
2272 hci_cc_write_page_scan_activity(hdev, skb);
2273 break;
2274
f332ec66
JH
2275 case HCI_OP_READ_PAGE_SCAN_TYPE:
2276 hci_cc_read_page_scan_type(hdev, skb);
2277 break;
2278
4a3ee763
JH
2279 case HCI_OP_WRITE_PAGE_SCAN_TYPE:
2280 hci_cc_write_page_scan_type(hdev, skb);
2281 break;
2282
350ee4cf
AE
2283 case HCI_OP_READ_DATA_BLOCK_SIZE:
2284 hci_cc_read_data_block_size(hdev, skb);
2285 break;
2286
1e89cffb
AE
2287 case HCI_OP_READ_FLOW_CONTROL_MODE:
2288 hci_cc_read_flow_control_mode(hdev, skb);
2289 break;
2290
928abaa7
AE
2291 case HCI_OP_READ_LOCAL_AMP_INFO:
2292 hci_cc_read_local_amp_info(hdev, skb);
2293 break;
2294
903e4541
AE
2295 case HCI_OP_READ_LOCAL_AMP_ASSOC:
2296 hci_cc_read_local_amp_assoc(hdev, skb);
2297 break;
2298
d5859e22
JH
2299 case HCI_OP_READ_INQ_RSP_TX_POWER:
2300 hci_cc_read_inq_rsp_tx_power(hdev, skb);
2301 break;
2302
980e1a53
JH
2303 case HCI_OP_PIN_CODE_REPLY:
2304 hci_cc_pin_code_reply(hdev, skb);
2305 break;
2306
2307 case HCI_OP_PIN_CODE_NEG_REPLY:
2308 hci_cc_pin_code_neg_reply(hdev, skb);
2309 break;
2310
c35938b2
SJ
2311 case HCI_OP_READ_LOCAL_OOB_DATA:
2312 hci_cc_read_local_oob_data_reply(hdev, skb);
2313 break;
2314
6ed58ec5
VT
2315 case HCI_OP_LE_READ_BUFFER_SIZE:
2316 hci_cc_le_read_buffer_size(hdev, skb);
2317 break;
2318
60e77321
JH
2319 case HCI_OP_LE_READ_LOCAL_FEATURES:
2320 hci_cc_le_read_local_features(hdev, skb);
2321 break;
2322
8fa19098
JH
2323 case HCI_OP_LE_READ_ADV_TX_POWER:
2324 hci_cc_le_read_adv_tx_power(hdev, skb);
2325 break;
2326
a5c29683
JH
2327 case HCI_OP_USER_CONFIRM_REPLY:
2328 hci_cc_user_confirm_reply(hdev, skb);
2329 break;
2330
2331 case HCI_OP_USER_CONFIRM_NEG_REPLY:
2332 hci_cc_user_confirm_neg_reply(hdev, skb);
2333 break;
2334
1143d458
BG
2335 case HCI_OP_USER_PASSKEY_REPLY:
2336 hci_cc_user_passkey_reply(hdev, skb);
2337 break;
2338
2339 case HCI_OP_USER_PASSKEY_NEG_REPLY:
2340 hci_cc_user_passkey_neg_reply(hdev, skb);
16cde993 2341 break;
07f7fa5d
AG
2342
2343 case HCI_OP_LE_SET_SCAN_PARAM:
2344 hci_cc_le_set_scan_param(hdev, skb);
1143d458
BG
2345 break;
2346
c1d5dc4a
JH
2347 case HCI_OP_LE_SET_ADV_ENABLE:
2348 hci_cc_le_set_adv_enable(hdev, skb);
2349 break;
2350
eb9d91f5
AG
2351 case HCI_OP_LE_SET_SCAN_ENABLE:
2352 hci_cc_le_set_scan_enable(hdev, skb);
2353 break;
2354
cf1d081f
JH
2355 case HCI_OP_LE_READ_WHITE_LIST_SIZE:
2356 hci_cc_le_read_white_list_size(hdev, skb);
2357 break;
2358
9b008c04
JH
2359 case HCI_OP_LE_READ_SUPPORTED_STATES:
2360 hci_cc_le_read_supported_states(hdev, skb);
2361 break;
2362
f9b49306
AG
2363 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
2364 hci_cc_write_le_host_supported(hdev, skb);
2365 break;
2366
93c284ee
AE
2367 case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
2368 hci_cc_write_remote_amp_assoc(hdev, skb);
2369 break;
2370
a9de9248 2371 default:
9f1db00c 2372 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH
2373 break;
2374 }
2375
ad82cdd1 2376 if (opcode != HCI_OP_NOP)
6bd32326
VT
2377 del_timer(&hdev->cmd_timer);
2378
ad82cdd1 2379 hci_req_cmd_complete(hdev, opcode, status);
9238f36a 2380
dbccd791 2381 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH
2382 atomic_set(&hdev->cmd_cnt, 1);
2383 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2384 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH
2385 }
2386}
2387
6039aa73 2388static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2389{
2390 struct hci_ev_cmd_status *ev = (void *) skb->data;
2391 __u16 opcode;
2392
2393 skb_pull(skb, sizeof(*ev));
2394
2395 opcode = __le16_to_cpu(ev->opcode);
2396
2397 switch (opcode) {
2398 case HCI_OP_INQUIRY:
2399 hci_cs_inquiry(hdev, ev->status);
2400 break;
2401
2402 case HCI_OP_CREATE_CONN:
2403 hci_cs_create_conn(hdev, ev->status);
2404 break;
2405
2406 case HCI_OP_ADD_SCO:
2407 hci_cs_add_sco(hdev, ev->status);
2408 break;
2409
f8558555
MH
2410 case HCI_OP_AUTH_REQUESTED:
2411 hci_cs_auth_requested(hdev, ev->status);
2412 break;
2413
2414 case HCI_OP_SET_CONN_ENCRYPT:
2415 hci_cs_set_conn_encrypt(hdev, ev->status);
2416 break;
2417
a9de9248
MH
2418 case HCI_OP_REMOTE_NAME_REQ:
2419 hci_cs_remote_name_req(hdev, ev->status);
2420 break;
2421
769be974
MH
2422 case HCI_OP_READ_REMOTE_FEATURES:
2423 hci_cs_read_remote_features(hdev, ev->status);
2424 break;
2425
2426 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2427 hci_cs_read_remote_ext_features(hdev, ev->status);
2428 break;
2429
a9de9248
MH
2430 case HCI_OP_SETUP_SYNC_CONN:
2431 hci_cs_setup_sync_conn(hdev, ev->status);
2432 break;
2433
2434 case HCI_OP_SNIFF_MODE:
2435 hci_cs_sniff_mode(hdev, ev->status);
2436 break;
2437
2438 case HCI_OP_EXIT_SNIFF_MODE:
2439 hci_cs_exit_sniff_mode(hdev, ev->status);
2440 break;
2441
8962ee74 2442 case HCI_OP_DISCONNECT:
88c3df13 2443 hci_cs_disconnect(hdev, ev->status);
8962ee74
JH
2444 break;
2445
fcd89c09
VT
2446 case HCI_OP_LE_CREATE_CONN:
2447 hci_cs_le_create_conn(hdev, ev->status);
2448 break;
2449
a02226d6
AE
2450 case HCI_OP_CREATE_PHY_LINK:
2451 hci_cs_create_phylink(hdev, ev->status);
2452 break;
2453
0b26ab9d
AE
2454 case HCI_OP_ACCEPT_PHY_LINK:
2455 hci_cs_accept_phylink(hdev, ev->status);
2456 break;
2457
a9de9248 2458 default:
9f1db00c 2459 BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
a9de9248
MH
2460 break;
2461 }
2462
ad82cdd1 2463 if (opcode != HCI_OP_NOP)
6bd32326
VT
2464 del_timer(&hdev->cmd_timer);
2465
33720450 2466 hci_req_cmd_complete(hdev, opcode, ev->status);
9238f36a 2467
10572132 2468 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH
2469 atomic_set(&hdev->cmd_cnt, 1);
2470 if (!skb_queue_empty(&hdev->cmd_q))
c347b765 2471 queue_work(hdev->workqueue, &hdev->cmd_work);
a9de9248
MH
2472 }
2473}
2474
6039aa73 2475static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2476{
2477 struct hci_ev_role_change *ev = (void *) skb->data;
2478 struct hci_conn *conn;
2479
9f1db00c 2480 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a9de9248
MH
2481
2482 hci_dev_lock(hdev);
2483
2484 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2485 if (conn) {
2486 if (!ev->status) {
2487 if (ev->role)
2488 conn->link_mode &= ~HCI_LM_MASTER;
2489 else
2490 conn->link_mode |= HCI_LM_MASTER;
2491 }
2492
51a8efd7 2493 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
a9de9248
MH
2494
2495 hci_role_switch_cfm(conn, ev->status, ev->role);
2496 }
2497
2498 hci_dev_unlock(hdev);
2499}
2500
6039aa73 2501static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248
MH
2502{
2503 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
a9de9248
MH
2504 int i;
2505
32ac5b9b
AE
2506 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
2507 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2508 return;
2509 }
2510
c5993de8 2511 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2512 ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
a9de9248
MH
2513 BT_DBG("%s bad parameters", hdev->name);
2514 return;
2515 }
2516
c5993de8
AE
2517 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2518
613a1c0c
AE
2519 for (i = 0; i < ev->num_hndl; i++) {
2520 struct hci_comp_pkts_info *info = &ev->handles[i];
a9de9248
MH
2521 struct hci_conn *conn;
2522 __u16 handle, count;
2523
613a1c0c
AE
2524 handle = __le16_to_cpu(info->handle);
2525 count = __le16_to_cpu(info->count);
a9de9248
MH
2526
2527 conn = hci_conn_hash_lookup_handle(hdev, handle);
f4280918
AE
2528 if (!conn)
2529 continue;
2530
2531 conn->sent -= count;
2532
2533 switch (conn->type) {
2534 case ACL_LINK:
2535 hdev->acl_cnt += count;
2536 if (hdev->acl_cnt > hdev->acl_pkts)
2537 hdev->acl_cnt = hdev->acl_pkts;
2538 break;
2539
2540 case LE_LINK:
2541 if (hdev->le_pkts) {
2542 hdev->le_cnt += count;
2543 if (hdev->le_cnt > hdev->le_pkts)
2544 hdev->le_cnt = hdev->le_pkts;
2545 } else {
70f23020
AE
2546 hdev->acl_cnt += count;
2547 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2548 hdev->acl_cnt = hdev->acl_pkts;
a9de9248 2549 }
f4280918
AE
2550 break;
2551
2552 case SCO_LINK:
2553 hdev->sco_cnt += count;
2554 if (hdev->sco_cnt > hdev->sco_pkts)
2555 hdev->sco_cnt = hdev->sco_pkts;
2556 break;
2557
2558 default:
2559 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2560 break;
a9de9248
MH
2561 }
2562 }
2563
3eff45ea 2564 queue_work(hdev->workqueue, &hdev->tx_work);
a9de9248
MH
2565}
2566
76ef7cf7
AE
2567static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
2568 __u16 handle)
2569{
2570 struct hci_chan *chan;
2571
2572 switch (hdev->dev_type) {
2573 case HCI_BREDR:
2574 return hci_conn_hash_lookup_handle(hdev, handle);
2575 case HCI_AMP:
2576 chan = hci_chan_lookup_handle(hdev, handle);
2577 if (chan)
2578 return chan->conn;
2579 break;
2580 default:
2581 BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
2582 break;
2583 }
2584
2585 return NULL;
2586}
2587
6039aa73 2588static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
25e89e99
AE
2589{
2590 struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
2591 int i;
2592
2593 if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
2594 BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
2595 return;
2596 }
2597
2598 if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
807deac2 2599 ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
25e89e99
AE
2600 BT_DBG("%s bad parameters", hdev->name);
2601 return;
2602 }
2603
2604 BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
807deac2 2605 ev->num_hndl);
25e89e99
AE
2606
2607 for (i = 0; i < ev->num_hndl; i++) {
2608 struct hci_comp_blocks_info *info = &ev->handles[i];
76ef7cf7 2609 struct hci_conn *conn = NULL;
25e89e99
AE
2610 __u16 handle, block_count;
2611
2612 handle = __le16_to_cpu(info->handle);
2613 block_count = __le16_to_cpu(info->blocks);
2614
76ef7cf7 2615 conn = __hci_conn_lookup_handle(hdev, handle);
25e89e99
AE
2616 if (!conn)
2617 continue;
2618
2619 conn->sent -= block_count;
2620
2621 switch (conn->type) {
2622 case ACL_LINK:
bd1eb66b 2623 case AMP_LINK:
25e89e99
AE
2624 hdev->block_cnt += block_count;
2625 if (hdev->block_cnt > hdev->num_blocks)
2626 hdev->block_cnt = hdev->num_blocks;
2627 break;
2628
2629 default:
2630 BT_ERR("Unknown type %d conn %p", conn->type, conn);
2631 break;
2632 }
2633 }
2634
2635 queue_work(hdev->workqueue, &hdev->tx_work);
2636}
2637
6039aa73 2638static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2639{
a9de9248 2640 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH
2641 struct hci_conn *conn;
2642
9f1db00c 2643 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
04837f64
MH
2644
2645 hci_dev_lock(hdev);
2646
2647 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH
2648 if (conn) {
2649 conn->mode = ev->mode;
2650 conn->interval = __le16_to_cpu(ev->interval);
2651
8fc9ced3
GP
2652 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
2653 &conn->flags)) {
a9de9248 2654 if (conn->mode == HCI_CM_ACTIVE)
58a681ef 2655 set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 2656 else
58a681ef 2657 clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
a9de9248 2658 }
e73439d8 2659
51a8efd7 2660 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
e73439d8 2661 hci_sco_setup(conn, ev->status);
04837f64
MH
2662 }
2663
2664 hci_dev_unlock(hdev);
2665}
2666
6039aa73 2667static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2668{
052b30b0
MH
2669 struct hci_ev_pin_code_req *ev = (void *) skb->data;
2670 struct hci_conn *conn;
2671
a9de9248 2672 BT_DBG("%s", hdev->name);
052b30b0
MH
2673
2674 hci_dev_lock(hdev);
2675
2676 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
b6f98044
WR
2677 if (!conn)
2678 goto unlock;
2679
2680 if (conn->state == BT_CONNECTED) {
052b30b0
MH
2681 hci_conn_hold(conn);
2682 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2683 hci_conn_put(conn);
2684 }
2685
a8b2d5c2 2686 if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
03b555e1 2687 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
807deac2 2688 sizeof(ev->bdaddr), &ev->bdaddr);
a8b2d5c2 2689 else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
a770bb5a
WR
2690 u8 secure;
2691
2692 if (conn->pending_sec_level == BT_SECURITY_HIGH)
2693 secure = 1;
2694 else
2695 secure = 0;
2696
744cf19e 2697 mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
a770bb5a 2698 }
980e1a53 2699
b6f98044 2700unlock:
052b30b0 2701 hci_dev_unlock(hdev);
a9de9248
MH
2702}
2703
6039aa73 2704static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2705{
55ed8ca1
JH
2706 struct hci_ev_link_key_req *ev = (void *) skb->data;
2707 struct hci_cp_link_key_reply cp;
2708 struct hci_conn *conn;
2709 struct link_key *key;
2710
a9de9248 2711 BT_DBG("%s", hdev->name);
55ed8ca1 2712
a8b2d5c2 2713 if (!test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
55ed8ca1
JH
2714 return;
2715
2716 hci_dev_lock(hdev);
2717
2718 key = hci_find_link_key(hdev, &ev->bdaddr);
2719 if (!key) {
6ed93dc6
AE
2720 BT_DBG("%s link key not found for %pMR", hdev->name,
2721 &ev->bdaddr);
55ed8ca1
JH
2722 goto not_found;
2723 }
2724
6ed93dc6
AE
2725 BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
2726 &ev->bdaddr);
55ed8ca1 2727
a8b2d5c2 2728 if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
807deac2 2729 key->type == HCI_LK_DEBUG_COMBINATION) {
55ed8ca1
JH
2730 BT_DBG("%s ignoring debug key", hdev->name);
2731 goto not_found;
2732 }
2733
2734 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57
WR
2735 if (conn) {
2736 if (key->type == HCI_LK_UNAUTH_COMBINATION &&
807deac2 2737 conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
60b83f57
WR
2738 BT_DBG("%s ignoring unauthenticated key", hdev->name);
2739 goto not_found;
2740 }
55ed8ca1 2741
60b83f57 2742 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
807deac2 2743 conn->pending_sec_level == BT_SECURITY_HIGH) {
8fc9ced3
GP
2744 BT_DBG("%s ignoring key unauthenticated for high security",
2745 hdev->name);
60b83f57
WR
2746 goto not_found;
2747 }
2748
2749 conn->key_type = key->type;
2750 conn->pin_length = key->pin_len;
55ed8ca1
JH
2751 }
2752
2753 bacpy(&cp.bdaddr, &ev->bdaddr);
9b3b4460 2754 memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
55ed8ca1
JH
2755
2756 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
2757
2758 hci_dev_unlock(hdev);
2759
2760 return;
2761
2762not_found:
2763 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
2764 hci_dev_unlock(hdev);
a9de9248
MH
2765}
2766
6039aa73 2767static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
a9de9248 2768{
052b30b0
MH
2769 struct hci_ev_link_key_notify *ev = (void *) skb->data;
2770 struct hci_conn *conn;
55ed8ca1 2771 u8 pin_len = 0;
052b30b0 2772
a9de9248 2773 BT_DBG("%s", hdev->name);
052b30b0
MH
2774
2775 hci_dev_lock(hdev);
2776
2777 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2778 if (conn) {
2779 hci_conn_hold(conn);
2780 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 2781 pin_len = conn->pin_length;
13d39315
WR
2782
2783 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
2784 conn->key_type = ev->key_type;
2785
052b30b0
MH
2786 hci_conn_put(conn);
2787 }
2788
a8b2d5c2 2789 if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
d25e28ab 2790 hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
807deac2 2791 ev->key_type, pin_len);
55ed8ca1 2792
052b30b0 2793 hci_dev_unlock(hdev);
a9de9248
MH
2794}
2795
6039aa73 2796static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2797{
a9de9248 2798 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 2799 struct hci_conn *conn;
1da177e4 2800
9f1db00c 2801 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
1da177e4
LT
2802
2803 hci_dev_lock(hdev);
2804
04837f64 2805 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2806 if (conn && !ev->status) {
2807 struct inquiry_entry *ie;
2808
cc11b9c1
AE
2809 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2810 if (ie) {
1da177e4
LT
2811 ie->data.clock_offset = ev->clock_offset;
2812 ie->timestamp = jiffies;
2813 }
2814 }
2815
2816 hci_dev_unlock(hdev);
2817}
2818
6039aa73 2819static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
a8746417
MH
2820{
2821 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
2822 struct hci_conn *conn;
2823
9f1db00c 2824 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
a8746417
MH
2825
2826 hci_dev_lock(hdev);
2827
2828 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2829 if (conn && !ev->status)
2830 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
2831
2832 hci_dev_unlock(hdev);
2833}
2834
6039aa73 2835static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
85a1e930 2836{
a9de9248 2837 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH
2838 struct inquiry_entry *ie;
2839
2840 BT_DBG("%s", hdev->name);
2841
2842 hci_dev_lock(hdev);
2843
cc11b9c1
AE
2844 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2845 if (ie) {
85a1e930
MH
2846 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
2847 ie->timestamp = jiffies;
2848 }
2849
2850 hci_dev_unlock(hdev);
2851}
2852
6039aa73
GP
2853static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
2854 struct sk_buff *skb)
a9de9248
MH
2855{
2856 struct inquiry_data data;
2857 int num_rsp = *((__u8 *) skb->data);
388fc8fa 2858 bool name_known, ssp;
a9de9248
MH
2859
2860 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2861
2862 if (!num_rsp)
2863 return;
2864
1519cc17
AG
2865 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
2866 return;
2867
a9de9248
MH
2868 hci_dev_lock(hdev);
2869
2870 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ
2871 struct inquiry_info_with_rssi_and_pscan_mode *info;
2872 info = (void *) (skb->data + 1);
a9de9248 2873
e17acd40 2874 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2875 bacpy(&data.bdaddr, &info->bdaddr);
2876 data.pscan_rep_mode = info->pscan_rep_mode;
2877 data.pscan_period_mode = info->pscan_period_mode;
2878 data.pscan_mode = info->pscan_mode;
2879 memcpy(data.dev_class, info->dev_class, 3);
2880 data.clock_offset = info->clock_offset;
2881 data.rssi = info->rssi;
41a96212 2882 data.ssp_mode = 0x00;
3175405b
JH
2883
2884 name_known = hci_inquiry_cache_update(hdev, &data,
04124681 2885 false, &ssp);
48264f06 2886 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
2887 info->dev_class, info->rssi,
2888 !name_known, ssp, NULL, 0);
a9de9248
MH
2889 }
2890 } else {
2891 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
2892
e17acd40 2893 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2894 bacpy(&data.bdaddr, &info->bdaddr);
2895 data.pscan_rep_mode = info->pscan_rep_mode;
2896 data.pscan_period_mode = info->pscan_period_mode;
2897 data.pscan_mode = 0x00;
2898 memcpy(data.dev_class, info->dev_class, 3);
2899 data.clock_offset = info->clock_offset;
2900 data.rssi = info->rssi;
41a96212 2901 data.ssp_mode = 0x00;
3175405b 2902 name_known = hci_inquiry_cache_update(hdev, &data,
04124681 2903 false, &ssp);
48264f06 2904 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681
GP
2905 info->dev_class, info->rssi,
2906 !name_known, ssp, NULL, 0);
a9de9248
MH
2907 }
2908 }
2909
2910 hci_dev_unlock(hdev);
2911}
2912
6039aa73
GP
2913static void hci_remote_ext_features_evt(struct hci_dev *hdev,
2914 struct sk_buff *skb)
a9de9248 2915{
41a96212
MH
2916 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
2917 struct hci_conn *conn;
2918
a9de9248 2919 BT_DBG("%s", hdev->name);
41a96212 2920
41a96212
MH
2921 hci_dev_lock(hdev);
2922
2923 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
2924 if (!conn)
2925 goto unlock;
41a96212 2926
ccd556fe
JH
2927 if (!ev->status && ev->page == 0x01) {
2928 struct inquiry_entry *ie;
41a96212 2929
cc11b9c1
AE
2930 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2931 if (ie)
02b7cc62 2932 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
769be974 2933
02b7cc62 2934 if (ev->features[0] & LMP_HOST_SSP)
58a681ef 2935 set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
ccd556fe
JH
2936 }
2937
2938 if (conn->state != BT_CONFIG)
2939 goto unlock;
2940
671267bf 2941 if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
127178d2
JH
2942 struct hci_cp_remote_name_req cp;
2943 memset(&cp, 0, sizeof(cp));
2944 bacpy(&cp.bdaddr, &conn->dst);
2945 cp.pscan_rep_mode = 0x02;
2946 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
b644ba33
JH
2947 } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
2948 mgmt_device_connected(hdev, &conn->dst, conn->type,
04124681
GP
2949 conn->dst_type, 0, NULL, 0,
2950 conn->dev_class);
392599b9 2951
127178d2 2952 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
2953 conn->state = BT_CONNECTED;
2954 hci_proto_connect_cfm(conn, ev->status);
2955 hci_conn_put(conn);
41a96212
MH
2956 }
2957
ccd556fe 2958unlock:
41a96212 2959 hci_dev_unlock(hdev);
a9de9248
MH
2960}
2961
6039aa73
GP
2962static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
2963 struct sk_buff *skb)
a9de9248 2964{
b6a0dc82
MH
2965 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
2966 struct hci_conn *conn;
2967
9f1db00c 2968 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
b6a0dc82
MH
2969
2970 hci_dev_lock(hdev);
2971
2972 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH
2973 if (!conn) {
2974 if (ev->link_type == ESCO_LINK)
2975 goto unlock;
2976
2977 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2978 if (!conn)
2979 goto unlock;
2980
2981 conn->type = SCO_LINK;
2982 }
b6a0dc82 2983
732547f9
MH
2984 switch (ev->status) {
2985 case 0x00:
b6a0dc82
MH
2986 conn->handle = __le16_to_cpu(ev->handle);
2987 conn->state = BT_CONNECTED;
7d0db0a3 2988
9eba32b8 2989 hci_conn_hold_device(conn);
7d0db0a3 2990 hci_conn_add_sysfs(conn);
732547f9
MH
2991 break;
2992
705e5711 2993 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 2994 case 0x1c: /* SCO interval rejected */
1038a00b 2995 case 0x1a: /* Unsupported Remote Feature */
732547f9
MH
2996 case 0x1f: /* Unspecified error */
2997 if (conn->out && conn->attempt < 2) {
2998 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
2999 (hdev->esco_type & EDR_ESCO_MASK);
3000 hci_setup_sync(conn, conn->link->handle);
3001 goto unlock;
3002 }
3003 /* fall through */
3004
3005 default:
b6a0dc82 3006 conn->state = BT_CLOSED;
732547f9
MH
3007 break;
3008 }
b6a0dc82
MH
3009
3010 hci_proto_connect_cfm(conn, ev->status);
3011 if (ev->status)
3012 hci_conn_del(conn);
3013
3014unlock:
3015 hci_dev_unlock(hdev);
a9de9248
MH
3016}
3017
6039aa73
GP
3018static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
3019 struct sk_buff *skb)
1da177e4 3020{
a9de9248
MH
3021 struct inquiry_data data;
3022 struct extended_inquiry_info *info = (void *) (skb->data + 1);
3023 int num_rsp = *((__u8 *) skb->data);
9d939d94 3024 size_t eir_len;
1da177e4 3025
a9de9248 3026 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 3027
a9de9248
MH
3028 if (!num_rsp)
3029 return;
1da177e4 3030
1519cc17
AG
3031 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
3032 return;
3033
a9de9248
MH
3034 hci_dev_lock(hdev);
3035
e17acd40 3036 for (; num_rsp; num_rsp--, info++) {
388fc8fa 3037 bool name_known, ssp;
561aafbc 3038
a9de9248 3039 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ
3040 data.pscan_rep_mode = info->pscan_rep_mode;
3041 data.pscan_period_mode = info->pscan_period_mode;
3042 data.pscan_mode = 0x00;
a9de9248 3043 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ
3044 data.clock_offset = info->clock_offset;
3045 data.rssi = info->rssi;
41a96212 3046 data.ssp_mode = 0x01;
561aafbc 3047
a8b2d5c2 3048 if (test_bit(HCI_MGMT, &hdev->dev_flags))
4ddb1930 3049 name_known = eir_has_data_type(info->data,
04124681
GP
3050 sizeof(info->data),
3051 EIR_NAME_COMPLETE);
561aafbc
JH
3052 else
3053 name_known = true;
3054
388fc8fa 3055 name_known = hci_inquiry_cache_update(hdev, &data, name_known,
04124681 3056 &ssp);
9d939d94 3057 eir_len = eir_get_length(info->data, sizeof(info->data));
48264f06 3058 mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
04124681 3059 info->dev_class, info->rssi, !name_known,
9d939d94 3060 ssp, info->data, eir_len);
a9de9248
MH
3061 }
3062
3063 hci_dev_unlock(hdev);
3064}
1da177e4 3065
1c2e0041
JH
3066static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
3067 struct sk_buff *skb)
3068{
3069 struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
3070 struct hci_conn *conn;
3071
9f1db00c 3072 BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
1c2e0041
JH
3073 __le16_to_cpu(ev->handle));
3074
3075 hci_dev_lock(hdev);
3076
3077 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
3078 if (!conn)
3079 goto unlock;
3080
3081 if (!ev->status)
3082 conn->sec_level = conn->pending_sec_level;
3083
3084 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
3085
3086 if (ev->status && conn->state == BT_CONNECTED) {
bed71748 3087 hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
1c2e0041
JH
3088 hci_conn_put(conn);
3089 goto unlock;
3090 }
3091
3092 if (conn->state == BT_CONFIG) {
3093 if (!ev->status)
3094 conn->state = BT_CONNECTED;
3095
3096 hci_proto_connect_cfm(conn, ev->status);
3097 hci_conn_put(conn);
3098 } else {
3099 hci_auth_cfm(conn, ev->status);
3100
3101 hci_conn_hold(conn);
3102 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
3103 hci_conn_put(conn);
3104 }
3105
3106unlock:
3107 hci_dev_unlock(hdev);
3108}
3109
6039aa73 3110static u8 hci_get_auth_req(struct hci_conn *conn)
17fa4b9d
JH
3111{
3112 /* If remote requests dedicated bonding follow that lead */
3113 if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
3114 /* If both remote and local IO capabilities allow MITM
3115 * protection then require it, otherwise don't */
3116 if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
3117 return 0x02;
3118 else
3119 return 0x03;
3120 }
3121
3122 /* If remote requests no-bonding follow that lead */
3123 if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
58797bf7 3124 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d
JH
3125
3126 return conn->auth_type;
3127}
3128
6039aa73 3129static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
0493684e
MH
3130{
3131 struct hci_ev_io_capa_request *ev = (void *) skb->data;
3132 struct hci_conn *conn;
3133
3134 BT_DBG("%s", hdev->name);
3135
3136 hci_dev_lock(hdev);
3137
3138 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH
3139 if (!conn)
3140 goto unlock;
3141
3142 hci_conn_hold(conn);
3143
a8b2d5c2 3144 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
03b555e1
JH
3145 goto unlock;
3146
a8b2d5c2 3147 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
807deac2 3148 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH
3149 struct hci_cp_io_capability_reply cp;
3150
3151 bacpy(&cp.bdaddr, &ev->bdaddr);
7a7f1e7c
HG
3152 /* Change the IO capability from KeyboardDisplay
3153 * to DisplayYesNo as it is not supported by BT spec. */
3154 cp.capability = (conn->io_capability == 0x04) ?
3155 0x01 : conn->io_capability;
7cbc9bd9
JH
3156 conn->auth_type = hci_get_auth_req(conn);
3157 cp.authentication = conn->auth_type;
17fa4b9d 3158
8fc9ced3
GP
3159 if (hci_find_remote_oob_data(hdev, &conn->dst) &&
3160 (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
ce85ee13
SJ
3161 cp.oob_data = 0x01;
3162 else
3163 cp.oob_data = 0x00;
3164
17fa4b9d 3165 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
807deac2 3166 sizeof(cp), &cp);
03b555e1
JH
3167 } else {
3168 struct hci_cp_io_capability_neg_reply cp;
3169
3170 bacpy(&cp.bdaddr, &ev->bdaddr);
9f5a0d7b 3171 cp.reason = HCI_ERROR_PAIRING_NOT_ALLOWED;
0493684e 3172
03b555e1 3173 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
807deac2 3174 sizeof(cp), &cp);
03b555e1
JH
3175 }
3176
3177unlock:
3178 hci_dev_unlock(hdev);
3179}
3180
6039aa73 3181static void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
03b555e1
JH
3182{
3183 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
3184 struct hci_conn *conn;
3185
3186 BT_DBG("%s", hdev->name);
3187
3188 hci_dev_lock(hdev);
3189
3190 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3191 if (!conn)
3192 goto unlock;
3193
03b555e1 3194 conn->remote_cap = ev->capability;
03b555e1 3195 conn->remote_auth = ev->authentication;
58a681ef
JH
3196 if (ev->oob_data)
3197 set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
03b555e1
JH
3198
3199unlock:
0493684e
MH
3200 hci_dev_unlock(hdev);
3201}
3202
6039aa73
GP
3203static void hci_user_confirm_request_evt(struct hci_dev *hdev,
3204 struct sk_buff *skb)
a5c29683
JH
3205{
3206 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 3207 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 3208 struct hci_conn *conn;
a5c29683
JH
3209
3210 BT_DBG("%s", hdev->name);
3211
3212 hci_dev_lock(hdev);
3213
a8b2d5c2 3214 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
7a828908 3215 goto unlock;
a5c29683 3216
7a828908
JH
3217 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3218 if (!conn)
3219 goto unlock;
3220
3221 loc_mitm = (conn->auth_type & 0x01);
3222 rem_mitm = (conn->remote_auth & 0x01);
3223
3224 /* If we require MITM but the remote device can't provide that
3225 * (it has NoInputNoOutput) then reject the confirmation
3226 * request. The only exception is when we're dedicated bonding
3227 * initiators (connect_cfm_cb set) since then we always have the MITM
3228 * bit set. */
3229 if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
3230 BT_DBG("Rejecting request: remote device can't provide MITM");
3231 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
807deac2 3232 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH
3233 goto unlock;
3234 }
3235
3236 /* If no side requires MITM protection; auto-accept */
3237 if ((!loc_mitm || conn->remote_cap == 0x03) &&
807deac2 3238 (!rem_mitm || conn->io_capability == 0x03)) {
55bc1a37
JH
3239
3240 /* If we're not the initiators request authorization to
3241 * proceed from user space (mgmt_user_confirm with
3242 * confirm_hint set to 1). */
51a8efd7 3243 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
55bc1a37
JH
3244 BT_DBG("Confirming auto-accept as acceptor");
3245 confirm_hint = 1;
3246 goto confirm;
3247 }
3248
9f61656a 3249 BT_DBG("Auto-accept of user confirmation with %ums delay",
807deac2 3250 hdev->auto_accept_delay);
9f61656a
JH
3251
3252 if (hdev->auto_accept_delay > 0) {
3253 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
3254 mod_timer(&conn->auto_accept_timer, jiffies + delay);
3255 goto unlock;
3256 }
3257
7a828908 3258 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
807deac2 3259 sizeof(ev->bdaddr), &ev->bdaddr);
7a828908
JH
3260 goto unlock;
3261 }
3262
55bc1a37 3263confirm:
272d90df 3264 mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
04124681 3265 confirm_hint);
7a828908
JH
3266
3267unlock:
a5c29683
JH
3268 hci_dev_unlock(hdev);
3269}
3270
6039aa73
GP
3271static void hci_user_passkey_request_evt(struct hci_dev *hdev,
3272 struct sk_buff *skb)
1143d458
BG
3273{
3274 struct hci_ev_user_passkey_req *ev = (void *) skb->data;
3275
3276 BT_DBG("%s", hdev->name);
3277
a8b2d5c2 3278 if (test_bit(HCI_MGMT, &hdev->dev_flags))
272d90df 3279 mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
1143d458
BG
3280}
3281
92a25256
JH
3282static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
3283 struct sk_buff *skb)
3284{
3285 struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
3286 struct hci_conn *conn;
3287
3288 BT_DBG("%s", hdev->name);
3289
3290 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3291 if (!conn)
3292 return;
3293
3294 conn->passkey_notify = __le32_to_cpu(ev->passkey);
3295 conn->passkey_entered = 0;
3296
3297 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3298 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3299 conn->dst_type, conn->passkey_notify,
3300 conn->passkey_entered);
3301}
3302
3303static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
3304{
3305 struct hci_ev_keypress_notify *ev = (void *) skb->data;
3306 struct hci_conn *conn;
3307
3308 BT_DBG("%s", hdev->name);
3309
3310 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3311 if (!conn)
3312 return;
3313
3314 switch (ev->type) {
3315 case HCI_KEYPRESS_STARTED:
3316 conn->passkey_entered = 0;
3317 return;
3318
3319 case HCI_KEYPRESS_ENTERED:
3320 conn->passkey_entered++;
3321 break;
3322
3323 case HCI_KEYPRESS_ERASED:
3324 conn->passkey_entered--;
3325 break;
3326
3327 case HCI_KEYPRESS_CLEARED:
3328 conn->passkey_entered = 0;
3329 break;
3330
3331 case HCI_KEYPRESS_COMPLETED:
3332 return;
3333 }
3334
3335 if (test_bit(HCI_MGMT, &hdev->dev_flags))
3336 mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
3337 conn->dst_type, conn->passkey_notify,
3338 conn->passkey_entered);
3339}
3340
6039aa73
GP
3341static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
3342 struct sk_buff *skb)
0493684e
MH
3343{
3344 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
3345 struct hci_conn *conn;
3346
3347 BT_DBG("%s", hdev->name);
3348
3349 hci_dev_lock(hdev);
3350
3351 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH
3352 if (!conn)
3353 goto unlock;
3354
3355 /* To avoid duplicate auth_failed events to user space we check
3356 * the HCI_CONN_AUTH_PEND flag which will be set if we
3357 * initiated the authentication. A traditional auth_complete
3358 * event gets always produced as initiator and is also mapped to
3359 * the mgmt_auth_failed event */
fa1bd918 3360 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) && ev->status)
bab73cb6 3361 mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
04124681 3362 ev->status);
0493684e 3363
2a611692
JH
3364 hci_conn_put(conn);
3365
3366unlock:
0493684e
MH
3367 hci_dev_unlock(hdev);
3368}
3369
6039aa73
GP
3370static void hci_remote_host_features_evt(struct hci_dev *hdev,
3371 struct sk_buff *skb)
41a96212
MH
3372{
3373 struct hci_ev_remote_host_features *ev = (void *) skb->data;
3374 struct inquiry_entry *ie;
3375
3376 BT_DBG("%s", hdev->name);
3377
3378 hci_dev_lock(hdev);
3379
cc11b9c1
AE
3380 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
3381 if (ie)
02b7cc62 3382 ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
41a96212
MH
3383
3384 hci_dev_unlock(hdev);
3385}
3386
6039aa73
GP
3387static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
3388 struct sk_buff *skb)
2763eda6
SJ
3389{
3390 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
3391 struct oob_data *data;
3392
3393 BT_DBG("%s", hdev->name);
3394
3395 hci_dev_lock(hdev);
3396
a8b2d5c2 3397 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
e1ba1f15
SJ
3398 goto unlock;
3399
2763eda6
SJ
3400 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
3401 if (data) {
3402 struct hci_cp_remote_oob_data_reply cp;
3403
3404 bacpy(&cp.bdaddr, &ev->bdaddr);
3405 memcpy(cp.hash, data->hash, sizeof(cp.hash));
3406 memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
3407
3408 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
807deac2 3409 &cp);
2763eda6
SJ
3410 } else {
3411 struct hci_cp_remote_oob_data_neg_reply cp;
3412
3413 bacpy(&cp.bdaddr, &ev->bdaddr);
3414 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
807deac2 3415 &cp);
2763eda6
SJ
3416 }
3417
e1ba1f15 3418unlock:
2763eda6
SJ
3419 hci_dev_unlock(hdev);
3420}
3421
d5e91192
AE
3422static void hci_phy_link_complete_evt(struct hci_dev *hdev,
3423 struct sk_buff *skb)
3424{
3425 struct hci_ev_phy_link_complete *ev = (void *) skb->data;
3426 struct hci_conn *hcon, *bredr_hcon;
3427
3428 BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
3429 ev->status);
3430
3431 hci_dev_lock(hdev);
3432
3433 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3434 if (!hcon) {
3435 hci_dev_unlock(hdev);
3436 return;
3437 }
3438
3439 if (ev->status) {
3440 hci_conn_del(hcon);
3441 hci_dev_unlock(hdev);
3442 return;
3443 }
3444
3445 bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
3446
3447 hcon->state = BT_CONNECTED;
3448 bacpy(&hcon->dst, &bredr_hcon->dst);
3449
3450 hci_conn_hold(hcon);
3451 hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
3452 hci_conn_put(hcon);
3453
3454 hci_conn_hold_device(hcon);
3455 hci_conn_add_sysfs(hcon);
3456
cf70ff22 3457 amp_physical_cfm(bredr_hcon, hcon);
d5e91192 3458
cf70ff22 3459 hci_dev_unlock(hdev);
d5e91192
AE
3460}
3461
27695fb4
AE
3462static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
3463{
3464 struct hci_ev_logical_link_complete *ev = (void *) skb->data;
3465 struct hci_conn *hcon;
3466 struct hci_chan *hchan;
3467 struct amp_mgr *mgr;
3468
3469 BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
3470 hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
3471 ev->status);
3472
3473 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3474 if (!hcon)
3475 return;
3476
3477 /* Create AMP hchan */
3478 hchan = hci_chan_create(hcon);
3479 if (!hchan)
3480 return;
3481
3482 hchan->handle = le16_to_cpu(ev->handle);
3483
3484 BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
3485
3486 mgr = hcon->amp_mgr;
3487 if (mgr && mgr->bredr_chan) {
3488 struct l2cap_chan *bredr_chan = mgr->bredr_chan;
3489
3490 l2cap_chan_lock(bredr_chan);
3491
3492 bredr_chan->conn->mtu = hdev->block_mtu;
3493 l2cap_logical_cfm(bredr_chan, hchan, 0);
3494 hci_conn_hold(hcon);
3495
3496 l2cap_chan_unlock(bredr_chan);
3497 }
3498}
3499
606e2a10
AE
3500static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
3501 struct sk_buff *skb)
3502{
3503 struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
3504 struct hci_chan *hchan;
3505
3506 BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
3507 le16_to_cpu(ev->handle), ev->status);
3508
3509 if (ev->status)
3510 return;
3511
3512 hci_dev_lock(hdev);
3513
3514 hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
3515 if (!hchan)
3516 goto unlock;
3517
3518 amp_destroy_logical_link(hchan, ev->reason);
3519
3520unlock:
3521 hci_dev_unlock(hdev);
3522}
3523
9eef6b3a
AE
3524static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
3525 struct sk_buff *skb)
3526{
3527 struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
3528 struct hci_conn *hcon;
3529
3530 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
3531
3532 if (ev->status)
3533 return;
3534
3535 hci_dev_lock(hdev);
3536
3537 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3538 if (hcon) {
3539 hcon->state = BT_CLOSED;
3540 hci_conn_del(hcon);
3541 }
3542
3543 hci_dev_unlock(hdev);
3544}
3545
6039aa73 3546static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT
3547{
3548 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
3549 struct hci_conn *conn;
3550
9f1db00c 3551 BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
fcd89c09
VT
3552
3553 hci_dev_lock(hdev);
3554
b47a09b3 3555 conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
b62f328b
VT
3556 if (!conn) {
3557 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
3558 if (!conn) {
3559 BT_ERR("No memory for new connection");
230fd16a 3560 goto unlock;
b62f328b 3561 }
29b7988a
AG
3562
3563 conn->dst_type = ev->bdaddr_type;
b9b343d2
AG
3564
3565 if (ev->role == LE_CONN_ROLE_MASTER) {
3566 conn->out = true;
3567 conn->link_mode |= HCI_LM_MASTER;
3568 }
b62f328b 3569 }
fcd89c09 3570
cd17decb
AG
3571 if (ev->status) {
3572 mgmt_connect_failed(hdev, &conn->dst, conn->type,
3573 conn->dst_type, ev->status);
3574 hci_proto_connect_cfm(conn, ev->status);
3575 conn->state = BT_CLOSED;
3576 hci_conn_del(conn);
3577 goto unlock;
3578 }
3579
b644ba33
JH
3580 if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
3581 mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
04124681 3582 conn->dst_type, 0, NULL, 0, NULL);
83bc71b4 3583
7b5c0d52 3584 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT
3585 conn->handle = __le16_to_cpu(ev->handle);
3586 conn->state = BT_CONNECTED;
3587
3588 hci_conn_hold_device(conn);
3589 hci_conn_add_sysfs(conn);
3590
3591 hci_proto_connect_cfm(conn, ev->status);
3592
3593unlock:
3594 hci_dev_unlock(hdev);
3595}
3596
6039aa73 3597static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
9aa04c91 3598{
e95beb41
AG
3599 u8 num_reports = skb->data[0];
3600 void *ptr = &skb->data[1];
3c9e9195 3601 s8 rssi;
9aa04c91 3602
e95beb41
AG
3603 while (num_reports--) {
3604 struct hci_ev_le_advertising_info *ev = ptr;
9aa04c91 3605
3c9e9195
AG
3606 rssi = ev->data[ev->length];
3607 mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
04124681 3608 NULL, rssi, 0, 1, ev->data, ev->length);
3c9e9195 3609
e95beb41 3610 ptr += sizeof(*ev) + ev->length + 1;
9aa04c91 3611 }
9aa04c91
AG
3612}
3613
6039aa73 3614static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
a7a595f6
VCG
3615{
3616 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
3617 struct hci_cp_le_ltk_reply cp;
bea710fe 3618 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 3619 struct hci_conn *conn;
c9839a11 3620 struct smp_ltk *ltk;
a7a595f6 3621
9f1db00c 3622 BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
a7a595f6
VCG
3623
3624 hci_dev_lock(hdev);
3625
3626 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG
3627 if (conn == NULL)
3628 goto not_found;
a7a595f6 3629
bea710fe
VCG
3630 ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
3631 if (ltk == NULL)
3632 goto not_found;
3633
3634 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 3635 cp.handle = cpu_to_le16(conn->handle);
c9839a11
VCG
3636
3637 if (ltk->authenticated)
3638 conn->sec_level = BT_SECURITY_HIGH;
a7a595f6
VCG
3639
3640 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
3641
c9839a11
VCG
3642 if (ltk->type & HCI_SMP_STK) {
3643 list_del(&ltk->list);
3644 kfree(ltk);
3645 }
3646
a7a595f6 3647 hci_dev_unlock(hdev);
bea710fe
VCG
3648
3649 return;
3650
3651not_found:
3652 neg.handle = ev->handle;
3653 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
3654 hci_dev_unlock(hdev);
a7a595f6
VCG
3655}
3656
6039aa73 3657static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
fcd89c09
VT
3658{
3659 struct hci_ev_le_meta *le_ev = (void *) skb->data;
3660
3661 skb_pull(skb, sizeof(*le_ev));
3662
3663 switch (le_ev->subevent) {
3664 case HCI_EV_LE_CONN_COMPLETE:
3665 hci_le_conn_complete_evt(hdev, skb);
3666 break;
3667
9aa04c91
AG
3668 case HCI_EV_LE_ADVERTISING_REPORT:
3669 hci_le_adv_report_evt(hdev, skb);
3670 break;
3671
a7a595f6
VCG
3672 case HCI_EV_LE_LTK_REQ:
3673 hci_le_ltk_request_evt(hdev, skb);
3674 break;
3675
fcd89c09
VT
3676 default:
3677 break;
3678 }
3679}
3680
9495b2ee
AE
3681static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
3682{
3683 struct hci_ev_channel_selected *ev = (void *) skb->data;
3684 struct hci_conn *hcon;
3685
3686 BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
3687
3688 skb_pull(skb, sizeof(*ev));
3689
3690 hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
3691 if (!hcon)
3692 return;
3693
3694 amp_read_loc_assoc_final_data(hdev, hcon);
3695}
3696
a9de9248
MH
3697void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
3698{
3699 struct hci_event_hdr *hdr = (void *) skb->data;
3700 __u8 event = hdr->evt;
3701
3702 skb_pull(skb, HCI_EVENT_HDR_SIZE);
3703
3704 switch (event) {
1da177e4
LT
3705 case HCI_EV_INQUIRY_COMPLETE:
3706 hci_inquiry_complete_evt(hdev, skb);
3707 break;
3708
3709 case HCI_EV_INQUIRY_RESULT:
3710 hci_inquiry_result_evt(hdev, skb);
3711 break;
3712
a9de9248
MH
3713 case HCI_EV_CONN_COMPLETE:
3714 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH
3715 break;
3716
1da177e4
LT
3717 case HCI_EV_CONN_REQUEST:
3718 hci_conn_request_evt(hdev, skb);
3719 break;
3720
1da177e4
LT
3721 case HCI_EV_DISCONN_COMPLETE:
3722 hci_disconn_complete_evt(hdev, skb);
3723 break;
3724
1da177e4
LT
3725 case HCI_EV_AUTH_COMPLETE:
3726 hci_auth_complete_evt(hdev, skb);
3727 break;
3728
a9de9248
MH
3729 case HCI_EV_REMOTE_NAME:
3730 hci_remote_name_evt(hdev, skb);
3731 break;
3732
1da177e4
LT
3733 case HCI_EV_ENCRYPT_CHANGE:
3734 hci_encrypt_change_evt(hdev, skb);
3735 break;
3736
a9de9248
MH
3737 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
3738 hci_change_link_key_complete_evt(hdev, skb);
3739 break;
3740
3741 case HCI_EV_REMOTE_FEATURES:
3742 hci_remote_features_evt(hdev, skb);
3743 break;
3744
a9de9248
MH
3745 case HCI_EV_CMD_COMPLETE:
3746 hci_cmd_complete_evt(hdev, skb);
3747 break;
3748
3749 case HCI_EV_CMD_STATUS:
3750 hci_cmd_status_evt(hdev, skb);
3751 break;
3752
3753 case HCI_EV_ROLE_CHANGE:
3754 hci_role_change_evt(hdev, skb);
3755 break;
3756
3757 case HCI_EV_NUM_COMP_PKTS:
3758 hci_num_comp_pkts_evt(hdev, skb);
3759 break;
3760
3761 case HCI_EV_MODE_CHANGE:
3762 hci_mode_change_evt(hdev, skb);
1da177e4
LT
3763 break;
3764
3765 case HCI_EV_PIN_CODE_REQ:
3766 hci_pin_code_request_evt(hdev, skb);
3767 break;
3768
3769 case HCI_EV_LINK_KEY_REQ:
3770 hci_link_key_request_evt(hdev, skb);
3771 break;
3772
3773 case HCI_EV_LINK_KEY_NOTIFY:
3774 hci_link_key_notify_evt(hdev, skb);
3775 break;
3776
3777 case HCI_EV_CLOCK_OFFSET:
3778 hci_clock_offset_evt(hdev, skb);
3779 break;
3780
a8746417
MH
3781 case HCI_EV_PKT_TYPE_CHANGE:
3782 hci_pkt_type_change_evt(hdev, skb);
3783 break;
3784
85a1e930
MH
3785 case HCI_EV_PSCAN_REP_MODE:
3786 hci_pscan_rep_mode_evt(hdev, skb);
3787 break;
3788
a9de9248
MH
3789 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
3790 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH
3791 break;
3792
a9de9248
MH
3793 case HCI_EV_REMOTE_EXT_FEATURES:
3794 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT
3795 break;
3796
a9de9248
MH
3797 case HCI_EV_SYNC_CONN_COMPLETE:
3798 hci_sync_conn_complete_evt(hdev, skb);
3799 break;
1da177e4 3800
a9de9248
MH
3801 case HCI_EV_EXTENDED_INQUIRY_RESULT:
3802 hci_extended_inquiry_result_evt(hdev, skb);
3803 break;
1da177e4 3804
1c2e0041
JH
3805 case HCI_EV_KEY_REFRESH_COMPLETE:
3806 hci_key_refresh_complete_evt(hdev, skb);
3807 break;
3808
0493684e
MH
3809 case HCI_EV_IO_CAPA_REQUEST:
3810 hci_io_capa_request_evt(hdev, skb);
3811 break;
3812
03b555e1
JH
3813 case HCI_EV_IO_CAPA_REPLY:
3814 hci_io_capa_reply_evt(hdev, skb);
3815 break;
3816
a5c29683
JH
3817 case HCI_EV_USER_CONFIRM_REQUEST:
3818 hci_user_confirm_request_evt(hdev, skb);
3819 break;
3820
1143d458
BG
3821 case HCI_EV_USER_PASSKEY_REQUEST:
3822 hci_user_passkey_request_evt(hdev, skb);
3823 break;
3824
92a25256
JH
3825 case HCI_EV_USER_PASSKEY_NOTIFY:
3826 hci_user_passkey_notify_evt(hdev, skb);
3827 break;
3828
3829 case HCI_EV_KEYPRESS_NOTIFY:
3830 hci_keypress_notify_evt(hdev, skb);
3831 break;
3832
0493684e
MH
3833 case HCI_EV_SIMPLE_PAIR_COMPLETE:
3834 hci_simple_pair_complete_evt(hdev, skb);
3835 break;
3836
41a96212
MH
3837 case HCI_EV_REMOTE_HOST_FEATURES:
3838 hci_remote_host_features_evt(hdev, skb);
3839 break;
3840
fcd89c09
VT
3841 case HCI_EV_LE_META:
3842 hci_le_meta_evt(hdev, skb);
3843 break;
3844
9495b2ee
AE
3845 case HCI_EV_CHANNEL_SELECTED:
3846 hci_chan_selected_evt(hdev, skb);
3847 break;
3848
2763eda6
SJ
3849 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
3850 hci_remote_oob_data_request_evt(hdev, skb);
3851 break;
3852
d5e91192
AE
3853 case HCI_EV_PHY_LINK_COMPLETE:
3854 hci_phy_link_complete_evt(hdev, skb);
3855 break;
3856
27695fb4
AE
3857 case HCI_EV_LOGICAL_LINK_COMPLETE:
3858 hci_loglink_complete_evt(hdev, skb);
3859 break;
3860
606e2a10
AE
3861 case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
3862 hci_disconn_loglink_complete_evt(hdev, skb);
3863 break;
3864
9eef6b3a
AE
3865 case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
3866 hci_disconn_phylink_complete_evt(hdev, skb);
3867 break;
3868
25e89e99
AE
3869 case HCI_EV_NUM_COMP_BLOCKS:
3870 hci_num_comp_blocks_evt(hdev, skb);
3871 break;
3872
a9de9248 3873 default:
9f1db00c 3874 BT_DBG("%s event 0x%2.2x", hdev->name, event);
1da177e4
LT
3875 break;
3876 }
3877
3878 kfree_skb(skb);
3879 hdev->stat.evt_rx++;
3880}