Bluetooth: Move SMP crypto functions to a workqueue
[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 <linux/module.h>
28
29#include <linux/types.h>
30#include <linux/errno.h>
31#include <linux/kernel.h>
1da177e4
LT
32#include <linux/slab.h>
33#include <linux/poll.h>
34#include <linux/fcntl.h>
35#include <linux/init.h>
36#include <linux/skbuff.h>
37#include <linux/interrupt.h>
38#include <linux/notifier.h>
39#include <net/sock.h>
40
41#include <asm/system.h>
70f23020 42#include <linux/uaccess.h>
1da177e4
LT
43#include <asm/unaligned.h>
44
45#include <net/bluetooth/bluetooth.h>
46#include <net/bluetooth/hci_core.h>
47
e6100a25
AG
48static int enable_le;
49
1da177e4
LT
50/* Handle HCI Event packets */
51
a9de9248 52static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 53{
a9de9248 54 __u8 status = *((__u8 *) skb->data);
1da177e4 55
a9de9248 56 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 57
a9de9248
MH
58 if (status)
59 return;
1da177e4 60
2d20a26a
ON
61 if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) &&
62 test_bit(HCI_MGMT, &hdev->flags))
314b2381 63 mgmt_discovering(hdev->id, 0);
6bd57416 64
23bb5763 65 hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
a9de9248
MH
66
67 hci_conn_check_pending(hdev);
68}
6bd57416 69
a9de9248
MH
70static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
71{
72 __u8 status = *((__u8 *) skb->data);
6bd57416 73
a9de9248 74 BT_DBG("%s status 0x%x", hdev->name, status);
6bd57416 75
a9de9248
MH
76 if (status)
77 return;
1da177e4 78
2d20a26a
ON
79 if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) &&
80 test_bit(HCI_MGMT, &hdev->flags))
314b2381 81 mgmt_discovering(hdev->id, 0);
a9de9248
MH
82
83 hci_conn_check_pending(hdev);
84}
85
86static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev, struct sk_buff *skb)
87{
88 BT_DBG("%s", hdev->name);
89}
90
91static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
92{
93 struct hci_rp_role_discovery *rp = (void *) skb->data;
94 struct hci_conn *conn;
95
96 BT_DBG("%s status 0x%x", hdev->name, rp->status);
97
98 if (rp->status)
99 return;
100
101 hci_dev_lock(hdev);
102
103 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
104 if (conn) {
105 if (rp->role)
106 conn->link_mode &= ~HCI_LM_MASTER;
107 else
108 conn->link_mode |= HCI_LM_MASTER;
1da177e4 109 }
a9de9248
MH
110
111 hci_dev_unlock(hdev);
1da177e4
LT
112}
113
e4e8e37c
MH
114static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
115{
116 struct hci_rp_read_link_policy *rp = (void *) skb->data;
117 struct hci_conn *conn;
118
119 BT_DBG("%s status 0x%x", hdev->name, rp->status);
120
121 if (rp->status)
122 return;
123
124 hci_dev_lock(hdev);
125
126 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
127 if (conn)
128 conn->link_policy = __le16_to_cpu(rp->policy);
129
130 hci_dev_unlock(hdev);
131}
132
a9de9248 133static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 134{
a9de9248 135 struct hci_rp_write_link_policy *rp = (void *) skb->data;
1da177e4 136 struct hci_conn *conn;
04837f64 137 void *sent;
1da177e4 138
a9de9248 139 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 140
a9de9248
MH
141 if (rp->status)
142 return;
1da177e4 143
a9de9248
MH
144 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
145 if (!sent)
146 return;
1da177e4 147
a9de9248 148 hci_dev_lock(hdev);
1da177e4 149
a9de9248 150 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
e4e8e37c 151 if (conn)
83985319 152 conn->link_policy = get_unaligned_le16(sent + 2);
1da177e4 153
a9de9248
MH
154 hci_dev_unlock(hdev);
155}
1da177e4 156
e4e8e37c
MH
157static void hci_cc_read_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
158{
159 struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
160
161 BT_DBG("%s status 0x%x", hdev->name, rp->status);
162
163 if (rp->status)
164 return;
165
166 hdev->link_policy = __le16_to_cpu(rp->policy);
167}
168
169static void hci_cc_write_def_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
170{
171 __u8 status = *((__u8 *) skb->data);
172 void *sent;
173
174 BT_DBG("%s status 0x%x", hdev->name, status);
175
176 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
177 if (!sent)
178 return;
179
180 if (!status)
181 hdev->link_policy = get_unaligned_le16(sent);
182
23bb5763 183 hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
e4e8e37c
MH
184}
185
a9de9248
MH
186static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
187{
188 __u8 status = *((__u8 *) skb->data);
04837f64 189
a9de9248 190 BT_DBG("%s status 0x%x", hdev->name, status);
04837f64 191
10572132
GP
192 clear_bit(HCI_RESET, &hdev->flags);
193
23bb5763 194 hci_req_complete(hdev, HCI_OP_RESET, status);
a9de9248 195}
04837f64 196
a9de9248
MH
197static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
198{
199 __u8 status = *((__u8 *) skb->data);
200 void *sent;
04837f64 201
a9de9248 202 BT_DBG("%s status 0x%x", hdev->name, status);
04837f64 203
a9de9248
MH
204 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
205 if (!sent)
206 return;
04837f64 207
b312b161
JH
208 if (test_bit(HCI_MGMT, &hdev->flags))
209 mgmt_set_local_name_complete(hdev->id, sent, status);
210
211 if (status)
212 return;
213
1f6c6378 214 memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
a9de9248
MH
215}
216
217static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
218{
219 struct hci_rp_read_local_name *rp = (void *) skb->data;
220
221 BT_DBG("%s status 0x%x", hdev->name, rp->status);
222
223 if (rp->status)
224 return;
225
1f6c6378 226 memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
a9de9248
MH
227}
228
229static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
230{
231 __u8 status = *((__u8 *) skb->data);
232 void *sent;
233
234 BT_DBG("%s status 0x%x", hdev->name, status);
235
236 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
237 if (!sent)
238 return;
239
240 if (!status) {
241 __u8 param = *((__u8 *) sent);
242
243 if (param == AUTH_ENABLED)
244 set_bit(HCI_AUTH, &hdev->flags);
245 else
246 clear_bit(HCI_AUTH, &hdev->flags);
1da177e4 247 }
a9de9248 248
23bb5763 249 hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
1da177e4
LT
250}
251
a9de9248 252static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 253{
a9de9248 254 __u8 status = *((__u8 *) skb->data);
1da177e4
LT
255 void *sent;
256
a9de9248 257 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 258
a9de9248
MH
259 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
260 if (!sent)
261 return;
1da177e4 262
a9de9248
MH
263 if (!status) {
264 __u8 param = *((__u8 *) sent);
265
266 if (param)
267 set_bit(HCI_ENCRYPT, &hdev->flags);
268 else
269 clear_bit(HCI_ENCRYPT, &hdev->flags);
270 }
1da177e4 271
23bb5763 272 hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
a9de9248 273}
1da177e4 274
a9de9248
MH
275static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
276{
277 __u8 status = *((__u8 *) skb->data);
278 void *sent;
1da177e4 279
a9de9248 280 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 281
a9de9248
MH
282 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
283 if (!sent)
284 return;
1da177e4 285
a9de9248
MH
286 if (!status) {
287 __u8 param = *((__u8 *) sent);
9fbcbb45 288 int old_pscan, old_iscan;
1da177e4 289
9fbcbb45
JH
290 old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
291 old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
1da177e4 292
73f22f62 293 if (param & SCAN_INQUIRY) {
a9de9248 294 set_bit(HCI_ISCAN, &hdev->flags);
9fbcbb45
JH
295 if (!old_iscan)
296 mgmt_discoverable(hdev->id, 1);
297 } else if (old_iscan)
73f22f62 298 mgmt_discoverable(hdev->id, 0);
1da177e4 299
9fbcbb45 300 if (param & SCAN_PAGE) {
a9de9248 301 set_bit(HCI_PSCAN, &hdev->flags);
9fbcbb45
JH
302 if (!old_pscan)
303 mgmt_connectable(hdev->id, 1);
304 } else if (old_pscan)
305 mgmt_connectable(hdev->id, 0);
a9de9248 306 }
1da177e4 307
23bb5763 308 hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
a9de9248 309}
1da177e4 310
a9de9248
MH
311static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
312{
313 struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
1da177e4 314
a9de9248 315 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 316
a9de9248
MH
317 if (rp->status)
318 return;
1da177e4 319
a9de9248 320 memcpy(hdev->dev_class, rp->dev_class, 3);
1da177e4 321
a9de9248
MH
322 BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
323 hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
324}
1da177e4 325
a9de9248
MH
326static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
327{
328 __u8 status = *((__u8 *) skb->data);
329 void *sent;
1da177e4 330
a9de9248 331 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 332
f383f275
MH
333 if (status)
334 return;
335
a9de9248
MH
336 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
337 if (!sent)
338 return;
1da177e4 339
f383f275 340 memcpy(hdev->dev_class, sent, 3);
a9de9248 341}
1da177e4 342
a9de9248
MH
343static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
344{
345 struct hci_rp_read_voice_setting *rp = (void *) skb->data;
346 __u16 setting;
347
348 BT_DBG("%s status 0x%x", hdev->name, rp->status);
349
350 if (rp->status)
351 return;
352
353 setting = __le16_to_cpu(rp->voice_setting);
354
f383f275 355 if (hdev->voice_setting == setting)
a9de9248
MH
356 return;
357
358 hdev->voice_setting = setting;
359
360 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
361
362 if (hdev->notify) {
363 tasklet_disable(&hdev->tx_task);
364 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
365 tasklet_enable(&hdev->tx_task);
366 }
367}
368
369static void hci_cc_write_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
370{
371 __u8 status = *((__u8 *) skb->data);
f383f275 372 __u16 setting;
a9de9248
MH
373 void *sent;
374
375 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 376
f383f275
MH
377 if (status)
378 return;
379
a9de9248
MH
380 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
381 if (!sent)
382 return;
1da177e4 383
f383f275 384 setting = get_unaligned_le16(sent);
1da177e4 385
f383f275
MH
386 if (hdev->voice_setting == setting)
387 return;
388
389 hdev->voice_setting = setting;
1da177e4 390
f383f275 391 BT_DBG("%s voice setting 0x%04x", hdev->name, setting);
1da177e4 392
f383f275
MH
393 if (hdev->notify) {
394 tasklet_disable(&hdev->tx_task);
395 hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
396 tasklet_enable(&hdev->tx_task);
1da177e4
LT
397 }
398}
399
a9de9248 400static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 401{
a9de9248 402 __u8 status = *((__u8 *) skb->data);
1da177e4 403
a9de9248 404 BT_DBG("%s status 0x%x", hdev->name, status);
1da177e4 405
23bb5763 406 hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
a9de9248 407}
1143e5a6 408
333140b5
MH
409static void hci_cc_read_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
410{
411 struct hci_rp_read_ssp_mode *rp = (void *) skb->data;
412
413 BT_DBG("%s status 0x%x", hdev->name, rp->status);
414
415 if (rp->status)
416 return;
417
418 hdev->ssp_mode = rp->mode;
419}
420
421static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
422{
423 __u8 status = *((__u8 *) skb->data);
424 void *sent;
425
426 BT_DBG("%s status 0x%x", hdev->name, status);
427
428 if (status)
429 return;
430
431 sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
432 if (!sent)
433 return;
434
435 hdev->ssp_mode = *((__u8 *) sent);
436}
437
d5859e22
JH
438static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
439{
440 if (hdev->features[6] & LMP_EXT_INQ)
441 return 2;
442
443 if (hdev->features[3] & LMP_RSSI_INQ)
444 return 1;
445
446 if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
447 hdev->lmp_subver == 0x0757)
448 return 1;
449
450 if (hdev->manufacturer == 15) {
451 if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
452 return 1;
453 if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
454 return 1;
455 if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
456 return 1;
457 }
458
459 if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
460 hdev->lmp_subver == 0x1805)
461 return 1;
462
463 return 0;
464}
465
466static void hci_setup_inquiry_mode(struct hci_dev *hdev)
467{
468 u8 mode;
469
470 mode = hci_get_inquiry_mode(hdev);
471
472 hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
473}
474
475static void hci_setup_event_mask(struct hci_dev *hdev)
476{
477 /* The second byte is 0xff instead of 0x9f (two reserved bits
478 * disabled) since a Broadcom 1.2 dongle doesn't respond to the
479 * command otherwise */
480 u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
481
6de6c18d
VT
482 /* CSR 1.1 dongles does not accept any bitfield so don't try to set
483 * any event mask for pre 1.2 devices */
484 if (hdev->lmp_ver <= 1)
485 return;
486
487 events[4] |= 0x01; /* Flow Specification Complete */
488 events[4] |= 0x02; /* Inquiry Result with RSSI */
489 events[4] |= 0x04; /* Read Remote Extended Features Complete */
490 events[5] |= 0x08; /* Synchronous Connection Complete */
491 events[5] |= 0x10; /* Synchronous Connection Changed */
d5859e22
JH
492
493 if (hdev->features[3] & LMP_RSSI_INQ)
494 events[4] |= 0x04; /* Inquiry Result with RSSI */
495
496 if (hdev->features[5] & LMP_SNIFF_SUBR)
497 events[5] |= 0x20; /* Sniff Subrating */
498
499 if (hdev->features[5] & LMP_PAUSE_ENC)
500 events[5] |= 0x80; /* Encryption Key Refresh Complete */
501
502 if (hdev->features[6] & LMP_EXT_INQ)
503 events[5] |= 0x40; /* Extended Inquiry Result */
504
505 if (hdev->features[6] & LMP_NO_FLUSH)
506 events[7] |= 0x01; /* Enhanced Flush Complete */
507
508 if (hdev->features[7] & LMP_LSTO)
509 events[6] |= 0x80; /* Link Supervision Timeout Changed */
510
511 if (hdev->features[6] & LMP_SIMPLE_PAIR) {
512 events[6] |= 0x01; /* IO Capability Request */
513 events[6] |= 0x02; /* IO Capability Response */
514 events[6] |= 0x04; /* User Confirmation Request */
515 events[6] |= 0x08; /* User Passkey Request */
516 events[6] |= 0x10; /* Remote OOB Data Request */
517 events[6] |= 0x20; /* Simple Pairing Complete */
518 events[7] |= 0x04; /* User Passkey Notification */
519 events[7] |= 0x08; /* Keypress Notification */
520 events[7] |= 0x10; /* Remote Host Supported
521 * Features Notification */
522 }
523
524 if (hdev->features[4] & LMP_LE)
525 events[7] |= 0x20; /* LE Meta-Event */
526
527 hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
528}
529
e6100a25
AG
530static void hci_set_le_support(struct hci_dev *hdev)
531{
532 struct hci_cp_write_le_host_supported cp;
533
534 memset(&cp, 0, sizeof(cp));
535
536 if (enable_le) {
537 cp.le = 1;
538 cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
539 }
540
541 hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp);
542}
543
d5859e22
JH
544static void hci_setup(struct hci_dev *hdev)
545{
546 hci_setup_event_mask(hdev);
547
548 if (hdev->lmp_ver > 1)
549 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
550
551 if (hdev->features[6] & LMP_SIMPLE_PAIR) {
552 u8 mode = 0x01;
553 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
554 }
555
556 if (hdev->features[3] & LMP_RSSI_INQ)
557 hci_setup_inquiry_mode(hdev);
558
559 if (hdev->features[7] & LMP_INQ_TX_PWR)
560 hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
971e3a4b
AG
561
562 if (hdev->features[7] & LMP_EXTFEATURES) {
563 struct hci_cp_read_local_ext_features cp;
564
565 cp.page = 0x01;
566 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
567 sizeof(cp), &cp);
568 }
e6100a25
AG
569
570 if (hdev->features[4] & LMP_LE)
571 hci_set_le_support(hdev);
d5859e22
JH
572}
573
a9de9248
MH
574static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
575{
576 struct hci_rp_read_local_version *rp = (void *) skb->data;
1143e5a6 577
a9de9248 578 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1143e5a6 579
a9de9248
MH
580 if (rp->status)
581 return;
1143e5a6 582
a9de9248 583 hdev->hci_ver = rp->hci_ver;
e4e8e37c 584 hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
d5859e22 585 hdev->lmp_ver = rp->lmp_ver;
e4e8e37c 586 hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
d5859e22 587 hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
1143e5a6 588
a9de9248
MH
589 BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
590 hdev->manufacturer,
591 hdev->hci_ver, hdev->hci_rev);
d5859e22
JH
592
593 if (test_bit(HCI_INIT, &hdev->flags))
594 hci_setup(hdev);
595}
596
597static void hci_setup_link_policy(struct hci_dev *hdev)
598{
599 u16 link_policy = 0;
600
601 if (hdev->features[0] & LMP_RSWITCH)
602 link_policy |= HCI_LP_RSWITCH;
603 if (hdev->features[0] & LMP_HOLD)
604 link_policy |= HCI_LP_HOLD;
605 if (hdev->features[0] & LMP_SNIFF)
606 link_policy |= HCI_LP_SNIFF;
607 if (hdev->features[1] & LMP_PARK)
608 link_policy |= HCI_LP_PARK;
609
610 link_policy = cpu_to_le16(link_policy);
611 hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY,
612 sizeof(link_policy), &link_policy);
a9de9248 613}
1da177e4 614
a9de9248
MH
615static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
616{
617 struct hci_rp_read_local_commands *rp = (void *) skb->data;
1da177e4 618
a9de9248 619 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 620
a9de9248 621 if (rp->status)
d5859e22 622 goto done;
1da177e4 623
a9de9248 624 memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
d5859e22
JH
625
626 if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
627 hci_setup_link_policy(hdev);
628
629done:
630 hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
a9de9248 631}
1da177e4 632
a9de9248
MH
633static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
634{
635 struct hci_rp_read_local_features *rp = (void *) skb->data;
5b7f9909 636
a9de9248 637 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 638
a9de9248
MH
639 if (rp->status)
640 return;
5b7f9909 641
a9de9248 642 memcpy(hdev->features, rp->features, 8);
5b7f9909 643
a9de9248
MH
644 /* Adjust default settings according to features
645 * supported by device. */
1da177e4 646
a9de9248
MH
647 if (hdev->features[0] & LMP_3SLOT)
648 hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
1da177e4 649
a9de9248
MH
650 if (hdev->features[0] & LMP_5SLOT)
651 hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
1da177e4 652
a9de9248
MH
653 if (hdev->features[1] & LMP_HV2) {
654 hdev->pkt_type |= (HCI_HV2);
655 hdev->esco_type |= (ESCO_HV2);
656 }
1da177e4 657
a9de9248
MH
658 if (hdev->features[1] & LMP_HV3) {
659 hdev->pkt_type |= (HCI_HV3);
660 hdev->esco_type |= (ESCO_HV3);
661 }
1da177e4 662
a9de9248
MH
663 if (hdev->features[3] & LMP_ESCO)
664 hdev->esco_type |= (ESCO_EV3);
da1f5198 665
a9de9248
MH
666 if (hdev->features[4] & LMP_EV4)
667 hdev->esco_type |= (ESCO_EV4);
da1f5198 668
a9de9248
MH
669 if (hdev->features[4] & LMP_EV5)
670 hdev->esco_type |= (ESCO_EV5);
1da177e4 671
efc7688b
MH
672 if (hdev->features[5] & LMP_EDR_ESCO_2M)
673 hdev->esco_type |= (ESCO_2EV3);
674
675 if (hdev->features[5] & LMP_EDR_ESCO_3M)
676 hdev->esco_type |= (ESCO_3EV3);
677
678 if (hdev->features[5] & LMP_EDR_3S_ESCO)
679 hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
680
a9de9248
MH
681 BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
682 hdev->features[0], hdev->features[1],
683 hdev->features[2], hdev->features[3],
684 hdev->features[4], hdev->features[5],
685 hdev->features[6], hdev->features[7]);
686}
1da177e4 687
971e3a4b
AG
688static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
689 struct sk_buff *skb)
690{
691 struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
692
693 BT_DBG("%s status 0x%x", hdev->name, rp->status);
694
695 if (rp->status)
696 return;
697
698 memcpy(hdev->extfeatures, rp->features, 8);
699
700 hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
701}
702
a9de9248
MH
703static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
704{
705 struct hci_rp_read_buffer_size *rp = (void *) skb->data;
1da177e4 706
a9de9248 707 BT_DBG("%s status 0x%x", hdev->name, rp->status);
1da177e4 708
a9de9248
MH
709 if (rp->status)
710 return;
1da177e4 711
a9de9248
MH
712 hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
713 hdev->sco_mtu = rp->sco_mtu;
714 hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
715 hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
716
717 if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
718 hdev->sco_mtu = 64;
719 hdev->sco_pkts = 8;
1da177e4 720 }
a9de9248
MH
721
722 hdev->acl_cnt = hdev->acl_pkts;
723 hdev->sco_cnt = hdev->sco_pkts;
724
725 BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name,
726 hdev->acl_mtu, hdev->acl_pkts,
727 hdev->sco_mtu, hdev->sco_pkts);
728}
729
730static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
731{
732 struct hci_rp_read_bd_addr *rp = (void *) skb->data;
733
734 BT_DBG("%s status 0x%x", hdev->name, rp->status);
735
736 if (!rp->status)
737 bacpy(&hdev->bdaddr, &rp->bdaddr);
738
23bb5763
JH
739 hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
740}
741
742static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
743{
744 __u8 status = *((__u8 *) skb->data);
745
746 BT_DBG("%s status 0x%x", hdev->name, status);
747
748 hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
a9de9248
MH
749}
750
b0916ea0
JH
751static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
752 struct sk_buff *skb)
753{
754 __u8 status = *((__u8 *) skb->data);
755
756 BT_DBG("%s status 0x%x", hdev->name, status);
757
758 hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
759}
760
d5859e22
JH
761static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
762{
763 __u8 status = *((__u8 *) skb->data);
764
765 BT_DBG("%s status 0x%x", hdev->name, status);
766
767 hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
768}
769
770static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
771 struct sk_buff *skb)
772{
773 __u8 status = *((__u8 *) skb->data);
774
775 BT_DBG("%s status 0x%x", hdev->name, status);
776
777 hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
778}
779
780static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
781 struct sk_buff *skb)
782{
783 __u8 status = *((__u8 *) skb->data);
784
785 BT_DBG("%s status 0x%x", hdev->name, status);
786
787 hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, status);
788}
789
790static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
791{
792 __u8 status = *((__u8 *) skb->data);
793
794 BT_DBG("%s status 0x%x", hdev->name, status);
795
796 hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
797}
798
980e1a53
JH
799static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
800{
801 struct hci_rp_pin_code_reply *rp = (void *) skb->data;
802 struct hci_cp_pin_code_reply *cp;
803 struct hci_conn *conn;
804
805 BT_DBG("%s status 0x%x", hdev->name, rp->status);
806
807 if (test_bit(HCI_MGMT, &hdev->flags))
808 mgmt_pin_code_reply_complete(hdev->id, &rp->bdaddr, rp->status);
809
810 if (rp->status != 0)
811 return;
812
813 cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
814 if (!cp)
815 return;
816
817 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
818 if (conn)
819 conn->pin_length = cp->pin_len;
820}
821
822static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
823{
824 struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
825
826 BT_DBG("%s status 0x%x", hdev->name, rp->status);
827
828 if (test_bit(HCI_MGMT, &hdev->flags))
829 mgmt_pin_code_neg_reply_complete(hdev->id, &rp->bdaddr,
830 rp->status);
831}
6ed58ec5
VT
832static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
833 struct sk_buff *skb)
834{
835 struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
836
837 BT_DBG("%s status 0x%x", hdev->name, rp->status);
838
839 if (rp->status)
840 return;
841
842 hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
843 hdev->le_pkts = rp->le_max_pkt;
844
845 hdev->le_cnt = hdev->le_pkts;
846
847 BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
848
849 hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
850}
980e1a53 851
a5c29683
JH
852static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
853{
854 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
855
856 BT_DBG("%s status 0x%x", hdev->name, rp->status);
857
858 if (test_bit(HCI_MGMT, &hdev->flags))
859 mgmt_user_confirm_reply_complete(hdev->id, &rp->bdaddr,
860 rp->status);
861}
862
863static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
864 struct sk_buff *skb)
865{
866 struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
867
868 BT_DBG("%s status 0x%x", hdev->name, rp->status);
869
870 if (test_bit(HCI_MGMT, &hdev->flags))
871 mgmt_user_confirm_neg_reply_complete(hdev->id, &rp->bdaddr,
872 rp->status);
873}
874
c35938b2
SJ
875static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
876 struct sk_buff *skb)
877{
878 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
879
880 BT_DBG("%s status 0x%x", hdev->name, rp->status);
881
882 mgmt_read_local_oob_data_reply_complete(hdev->id, rp->hash,
883 rp->randomizer, rp->status);
884}
885
eb9d91f5
AG
886static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
887 struct sk_buff *skb)
888{
889 struct hci_cp_le_set_scan_enable *cp;
890 __u8 status = *((__u8 *) skb->data);
891
892 BT_DBG("%s status 0x%x", hdev->name, status);
893
894 if (status)
895 return;
896
897 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
898 if (!cp)
899 return;
900
901 hci_dev_lock(hdev);
902
35815085
AG
903 if (cp->enable == 0x01) {
904 del_timer(&hdev->adv_timer);
eb9d91f5 905 hci_adv_entries_clear(hdev);
35815085
AG
906 } else if (cp->enable == 0x00) {
907 mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);
908 }
eb9d91f5
AG
909
910 hci_dev_unlock(hdev);
911}
912
a7a595f6
VCG
913static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
914{
915 struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
916
917 BT_DBG("%s status 0x%x", hdev->name, rp->status);
918
919 if (rp->status)
920 return;
921
922 hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
923}
924
925static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
926{
927 struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
928
929 BT_DBG("%s status 0x%x", hdev->name, rp->status);
930
931 if (rp->status)
932 return;
933
934 hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
935}
936
f9b49306
AG
937static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
938 struct sk_buff *skb)
939{
940 struct hci_cp_read_local_ext_features cp;
941 __u8 status = *((__u8 *) skb->data);
942
943 BT_DBG("%s status 0x%x", hdev->name, status);
944
945 if (status)
946 return;
947
948 cp.page = 0x01;
949 hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp);
950}
951
a9de9248
MH
952static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
953{
954 BT_DBG("%s status 0x%x", hdev->name, status);
955
956 if (status) {
23bb5763 957 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
a9de9248 958 hci_conn_check_pending(hdev);
314b2381
JH
959 return;
960 }
961
2d20a26a
ON
962 if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags) &&
963 test_bit(HCI_MGMT, &hdev->flags))
314b2381 964 mgmt_discovering(hdev->id, 1);
1da177e4
LT
965}
966
1da177e4
LT
967static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
968{
a9de9248 969 struct hci_cp_create_conn *cp;
1da177e4 970 struct hci_conn *conn;
1da177e4 971
a9de9248
MH
972 BT_DBG("%s status 0x%x", hdev->name, status);
973
974 cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
1da177e4
LT
975 if (!cp)
976 return;
977
978 hci_dev_lock(hdev);
979
980 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
981
a9de9248 982 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->bdaddr), conn);
1da177e4
LT
983
984 if (status) {
985 if (conn && conn->state == BT_CONNECT) {
4c67bc74
MH
986 if (status != 0x0c || conn->attempt > 2) {
987 conn->state = BT_CLOSED;
988 hci_proto_connect_cfm(conn, status);
989 hci_conn_del(conn);
990 } else
991 conn->state = BT_CONNECT2;
1da177e4
LT
992 }
993 } else {
994 if (!conn) {
995 conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
996 if (conn) {
997 conn->out = 1;
998 conn->link_mode |= HCI_LM_MASTER;
999 } else
893ef971 1000 BT_ERR("No memory for new connection");
1da177e4
LT
1001 }
1002 }
1003
1004 hci_dev_unlock(hdev);
1005}
1006
a9de9248 1007static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
1da177e4 1008{
a9de9248
MH
1009 struct hci_cp_add_sco *cp;
1010 struct hci_conn *acl, *sco;
1011 __u16 handle;
1da177e4 1012
b6a0dc82
MH
1013 BT_DBG("%s status 0x%x", hdev->name, status);
1014
a9de9248
MH
1015 if (!status)
1016 return;
1da177e4 1017
a9de9248
MH
1018 cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
1019 if (!cp)
1020 return;
1da177e4 1021
a9de9248 1022 handle = __le16_to_cpu(cp->handle);
1da177e4 1023
a9de9248 1024 BT_DBG("%s handle %d", hdev->name, handle);
1da177e4 1025
a9de9248 1026 hci_dev_lock(hdev);
1da177e4 1027
a9de9248 1028 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE
1029 if (acl) {
1030 sco = acl->link;
1031 if (sco) {
1032 sco->state = BT_CLOSED;
1da177e4 1033
5a08ecce
AE
1034 hci_proto_connect_cfm(sco, status);
1035 hci_conn_del(sco);
1036 }
a9de9248 1037 }
1da177e4 1038
a9de9248
MH
1039 hci_dev_unlock(hdev);
1040}
1da177e4 1041
f8558555
MH
1042static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
1043{
1044 struct hci_cp_auth_requested *cp;
1045 struct hci_conn *conn;
1046
1047 BT_DBG("%s status 0x%x", hdev->name, status);
1048
1049 if (!status)
1050 return;
1051
1052 cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
1053 if (!cp)
1054 return;
1055
1056 hci_dev_lock(hdev);
1057
1058 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1059 if (conn) {
1060 if (conn->state == BT_CONFIG) {
1061 hci_proto_connect_cfm(conn, status);
1062 hci_conn_put(conn);
1063 }
1064 }
1065
1066 hci_dev_unlock(hdev);
1067}
1068
1069static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
1070{
1071 struct hci_cp_set_conn_encrypt *cp;
1072 struct hci_conn *conn;
1073
1074 BT_DBG("%s status 0x%x", hdev->name, status);
1075
1076 if (!status)
1077 return;
1078
1079 cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
1080 if (!cp)
1081 return;
1082
1083 hci_dev_lock(hdev);
1084
1085 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1086 if (conn) {
1087 if (conn->state == BT_CONFIG) {
1088 hci_proto_connect_cfm(conn, status);
1089 hci_conn_put(conn);
1090 }
1091 }
1092
1093 hci_dev_unlock(hdev);
1094}
1095
127178d2 1096static int hci_outgoing_auth_needed(struct hci_dev *hdev,
138d22ef 1097 struct hci_conn *conn)
392599b9 1098{
392599b9
JH
1099 if (conn->state != BT_CONFIG || !conn->out)
1100 return 0;
1101
765c2a96 1102 if (conn->pending_sec_level == BT_SECURITY_SDP)
392599b9
JH
1103 return 0;
1104
1105 /* Only request authentication for SSP connections or non-SSP
1106 * devices with sec_level HIGH */
1107 if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) &&
765c2a96 1108 conn->pending_sec_level != BT_SECURITY_HIGH)
392599b9
JH
1109 return 0;
1110
392599b9
JH
1111 return 1;
1112}
1113
a9de9248
MH
1114static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
1115{
127178d2
JH
1116 struct hci_cp_remote_name_req *cp;
1117 struct hci_conn *conn;
1118
a9de9248 1119 BT_DBG("%s status 0x%x", hdev->name, status);
127178d2
JH
1120
1121 /* If successful wait for the name req complete event before
1122 * checking for the need to do authentication */
1123 if (!status)
1124 return;
1125
1126 cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
1127 if (!cp)
1128 return;
1129
1130 hci_dev_lock(hdev);
1131
1132 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
79c6c70c
JH
1133 if (!conn)
1134 goto unlock;
1135
1136 if (!hci_outgoing_auth_needed(hdev, conn))
1137 goto unlock;
1138
1139 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
127178d2
JH
1140 struct hci_cp_auth_requested cp;
1141 cp.handle = __cpu_to_le16(conn->handle);
1142 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1143 }
1144
79c6c70c 1145unlock:
127178d2 1146 hci_dev_unlock(hdev);
a9de9248 1147}
1da177e4 1148
769be974
MH
1149static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
1150{
1151 struct hci_cp_read_remote_features *cp;
1152 struct hci_conn *conn;
1153
1154 BT_DBG("%s status 0x%x", hdev->name, status);
1155
1156 if (!status)
1157 return;
1158
1159 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
1160 if (!cp)
1161 return;
1162
1163 hci_dev_lock(hdev);
1164
1165 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1166 if (conn) {
1167 if (conn->state == BT_CONFIG) {
769be974
MH
1168 hci_proto_connect_cfm(conn, status);
1169 hci_conn_put(conn);
1170 }
1171 }
1172
1173 hci_dev_unlock(hdev);
1174}
1175
1176static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
1177{
1178 struct hci_cp_read_remote_ext_features *cp;
1179 struct hci_conn *conn;
1180
1181 BT_DBG("%s status 0x%x", hdev->name, status);
1182
1183 if (!status)
1184 return;
1185
1186 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
1187 if (!cp)
1188 return;
1189
1190 hci_dev_lock(hdev);
1191
1192 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
1193 if (conn) {
1194 if (conn->state == BT_CONFIG) {
769be974
MH
1195 hci_proto_connect_cfm(conn, status);
1196 hci_conn_put(conn);
1197 }
1198 }
1199
1200 hci_dev_unlock(hdev);
1201}
1202
a9de9248
MH
1203static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
1204{
b6a0dc82
MH
1205 struct hci_cp_setup_sync_conn *cp;
1206 struct hci_conn *acl, *sco;
1207 __u16 handle;
1208
a9de9248 1209 BT_DBG("%s status 0x%x", hdev->name, status);
b6a0dc82
MH
1210
1211 if (!status)
1212 return;
1213
1214 cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
1215 if (!cp)
1216 return;
1217
1218 handle = __le16_to_cpu(cp->handle);
1219
1220 BT_DBG("%s handle %d", hdev->name, handle);
1221
1222 hci_dev_lock(hdev);
1223
1224 acl = hci_conn_hash_lookup_handle(hdev, handle);
5a08ecce
AE
1225 if (acl) {
1226 sco = acl->link;
1227 if (sco) {
1228 sco->state = BT_CLOSED;
b6a0dc82 1229
5a08ecce
AE
1230 hci_proto_connect_cfm(sco, status);
1231 hci_conn_del(sco);
1232 }
b6a0dc82
MH
1233 }
1234
1235 hci_dev_unlock(hdev);
1da177e4
LT
1236}
1237
a9de9248 1238static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
1da177e4 1239{
a9de9248
MH
1240 struct hci_cp_sniff_mode *cp;
1241 struct hci_conn *conn;
1da177e4 1242
a9de9248 1243 BT_DBG("%s status 0x%x", hdev->name, status);
04837f64 1244
a9de9248
MH
1245 if (!status)
1246 return;
04837f64 1247
a9de9248
MH
1248 cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
1249 if (!cp)
1250 return;
04837f64 1251
a9de9248 1252 hci_dev_lock(hdev);
04837f64 1253
a9de9248 1254 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1255 if (conn) {
a9de9248 1256 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
04837f64 1257
e73439d8
MH
1258 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
1259 hci_sco_setup(conn, status);
1260 }
1261
a9de9248
MH
1262 hci_dev_unlock(hdev);
1263}
04837f64 1264
a9de9248
MH
1265static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
1266{
1267 struct hci_cp_exit_sniff_mode *cp;
1268 struct hci_conn *conn;
04837f64 1269
a9de9248 1270 BT_DBG("%s status 0x%x", hdev->name, status);
04837f64 1271
a9de9248
MH
1272 if (!status)
1273 return;
04837f64 1274
a9de9248
MH
1275 cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
1276 if (!cp)
1277 return;
04837f64 1278
a9de9248 1279 hci_dev_lock(hdev);
1da177e4 1280
a9de9248 1281 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
e73439d8 1282 if (conn) {
a9de9248 1283 clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend);
1da177e4 1284
e73439d8
MH
1285 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
1286 hci_sco_setup(conn, status);
1287 }
1288
a9de9248 1289 hci_dev_unlock(hdev);
1da177e4
LT
1290}
1291
fcd89c09
VT
1292static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
1293{
1294 struct hci_cp_le_create_conn *cp;
1295 struct hci_conn *conn;
1296
1297 BT_DBG("%s status 0x%x", hdev->name, status);
1298
1299 cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
1300 if (!cp)
1301 return;
1302
1303 hci_dev_lock(hdev);
1304
1305 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
1306
1307 BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr),
1308 conn);
1309
1310 if (status) {
1311 if (conn && conn->state == BT_CONNECT) {
1312 conn->state = BT_CLOSED;
1313 hci_proto_connect_cfm(conn, status);
1314 hci_conn_del(conn);
1315 }
1316 } else {
1317 if (!conn) {
1318 conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
29b7988a
AG
1319 if (conn) {
1320 conn->dst_type = cp->peer_addr_type;
fcd89c09 1321 conn->out = 1;
29b7988a 1322 } else {
fcd89c09 1323 BT_ERR("No memory for new connection");
29b7988a 1324 }
fcd89c09
VT
1325 }
1326 }
1327
1328 hci_dev_unlock(hdev);
1329}
1330
a7a595f6
VCG
1331static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
1332{
1333 BT_DBG("%s status 0x%x", hdev->name, status);
1334}
1335
1da177e4
LT
1336static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1337{
1338 __u8 status = *((__u8 *) skb->data);
1339
1340 BT_DBG("%s status %d", hdev->name, status);
1341
2d20a26a
ON
1342 if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) &&
1343 test_bit(HCI_MGMT, &hdev->flags))
314b2381 1344 mgmt_discovering(hdev->id, 0);
6bd57416 1345
23bb5763 1346 hci_req_complete(hdev, HCI_OP_INQUIRY, status);
6bd57416 1347
a9de9248 1348 hci_conn_check_pending(hdev);
1da177e4
LT
1349}
1350
1da177e4
LT
1351static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1352{
45bb4bf0 1353 struct inquiry_data data;
a9de9248 1354 struct inquiry_info *info = (void *) (skb->data + 1);
1da177e4
LT
1355 int num_rsp = *((__u8 *) skb->data);
1356
1357 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1358
45bb4bf0
MH
1359 if (!num_rsp)
1360 return;
1361
1da177e4 1362 hci_dev_lock(hdev);
45bb4bf0 1363
314b2381
JH
1364 if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
1365
1366 if (test_bit(HCI_MGMT, &hdev->flags))
1367 mgmt_discovering(hdev->id, 1);
1368 }
1369
e17acd40 1370 for (; num_rsp; num_rsp--, info++) {
1da177e4
LT
1371 bacpy(&data.bdaddr, &info->bdaddr);
1372 data.pscan_rep_mode = info->pscan_rep_mode;
1373 data.pscan_period_mode = info->pscan_period_mode;
1374 data.pscan_mode = info->pscan_mode;
1375 memcpy(data.dev_class, info->dev_class, 3);
1376 data.clock_offset = info->clock_offset;
1377 data.rssi = 0x00;
41a96212 1378 data.ssp_mode = 0x00;
1da177e4 1379 hci_inquiry_cache_update(hdev, &data);
e17acd40
JH
1380 mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class, 0,
1381 NULL);
1da177e4 1382 }
45bb4bf0 1383
1da177e4
LT
1384 hci_dev_unlock(hdev);
1385}
1386
1da177e4
LT
1387static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1388{
a9de9248
MH
1389 struct hci_ev_conn_complete *ev = (void *) skb->data;
1390 struct hci_conn *conn;
1da177e4
LT
1391
1392 BT_DBG("%s", hdev->name);
1393
1394 hci_dev_lock(hdev);
1395
1396 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9499237a
MH
1397 if (!conn) {
1398 if (ev->link_type != SCO_LINK)
1399 goto unlock;
1400
1401 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
1402 if (!conn)
1403 goto unlock;
1404
1405 conn->type = SCO_LINK;
1406 }
1da177e4
LT
1407
1408 if (!ev->status) {
1409 conn->handle = __le16_to_cpu(ev->handle);
769be974
MH
1410
1411 if (conn->type == ACL_LINK) {
1412 conn->state = BT_CONFIG;
1413 hci_conn_hold(conn);
052b30b0 1414 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
cfafccf7 1415 mgmt_connected(hdev->id, &ev->bdaddr, conn->type);
769be974
MH
1416 } else
1417 conn->state = BT_CONNECTED;
1da177e4 1418
9eba32b8 1419 hci_conn_hold_device(conn);
7d0db0a3
MH
1420 hci_conn_add_sysfs(conn);
1421
1da177e4
LT
1422 if (test_bit(HCI_AUTH, &hdev->flags))
1423 conn->link_mode |= HCI_LM_AUTH;
1424
1425 if (test_bit(HCI_ENCRYPT, &hdev->flags))
1426 conn->link_mode |= HCI_LM_ENCRYPT;
1427
04837f64
MH
1428 /* Get remote features */
1429 if (conn->type == ACL_LINK) {
1430 struct hci_cp_read_remote_features cp;
1431 cp.handle = ev->handle;
769be974
MH
1432 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
1433 sizeof(cp), &cp);
04837f64
MH
1434 }
1435
1da177e4 1436 /* Set packet type for incoming connection */
a8746417 1437 if (!conn->out && hdev->hci_ver < 3) {
1da177e4
LT
1438 struct hci_cp_change_conn_ptype cp;
1439 cp.handle = ev->handle;
a8746417
MH
1440 cp.pkt_type = cpu_to_le16(conn->pkt_type);
1441 hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
1442 sizeof(cp), &cp);
1da177e4 1443 }
17d5c04c 1444 } else {
1da177e4 1445 conn->state = BT_CLOSED;
17d5c04c
JH
1446 if (conn->type == ACL_LINK)
1447 mgmt_connect_failed(hdev->id, &ev->bdaddr, ev->status);
1448 }
1da177e4 1449
e73439d8
MH
1450 if (conn->type == ACL_LINK)
1451 hci_sco_setup(conn, ev->status);
1da177e4 1452
769be974
MH
1453 if (ev->status) {
1454 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1455 hci_conn_del(conn);
c89b6e6b
MH
1456 } else if (ev->link_type != ACL_LINK)
1457 hci_proto_connect_cfm(conn, ev->status);
1da177e4 1458
a9de9248 1459unlock:
1da177e4 1460 hci_dev_unlock(hdev);
1da177e4 1461
a9de9248 1462 hci_conn_check_pending(hdev);
1da177e4
LT
1463}
1464
a9de9248 1465static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1466{
a9de9248
MH
1467 struct hci_ev_conn_request *ev = (void *) skb->data;
1468 int mask = hdev->link_mode;
1da177e4 1469
a9de9248
MH
1470 BT_DBG("%s bdaddr %s type 0x%x", hdev->name,
1471 batostr(&ev->bdaddr), ev->link_type);
1da177e4 1472
a9de9248 1473 mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
1da177e4 1474
138d22ef
SJ
1475 if ((mask & HCI_LM_ACCEPT) &&
1476 !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
a9de9248 1477 /* Connection accepted */
c7bdd502 1478 struct inquiry_entry *ie;
1da177e4 1479 struct hci_conn *conn;
1da177e4 1480
a9de9248 1481 hci_dev_lock(hdev);
b6a0dc82 1482
cc11b9c1
AE
1483 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
1484 if (ie)
c7bdd502
MH
1485 memcpy(ie->data.dev_class, ev->dev_class, 3);
1486
a9de9248
MH
1487 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
1488 if (!conn) {
cc11b9c1
AE
1489 conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
1490 if (!conn) {
893ef971 1491 BT_ERR("No memory for new connection");
a9de9248
MH
1492 hci_dev_unlock(hdev);
1493 return;
1da177e4
LT
1494 }
1495 }
b6a0dc82 1496
a9de9248
MH
1497 memcpy(conn->dev_class, ev->dev_class, 3);
1498 conn->state = BT_CONNECT;
b6a0dc82 1499
a9de9248 1500 hci_dev_unlock(hdev);
1da177e4 1501
b6a0dc82
MH
1502 if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) {
1503 struct hci_cp_accept_conn_req cp;
1da177e4 1504
b6a0dc82
MH
1505 bacpy(&cp.bdaddr, &ev->bdaddr);
1506
1507 if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
1508 cp.role = 0x00; /* Become master */
1509 else
1510 cp.role = 0x01; /* Remain slave */
1511
1512 hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ,
1513 sizeof(cp), &cp);
1514 } else {
1515 struct hci_cp_accept_sync_conn_req cp;
1516
1517 bacpy(&cp.bdaddr, &ev->bdaddr);
a8746417 1518 cp.pkt_type = cpu_to_le16(conn->pkt_type);
b6a0dc82
MH
1519
1520 cp.tx_bandwidth = cpu_to_le32(0x00001f40);
1521 cp.rx_bandwidth = cpu_to_le32(0x00001f40);
1522 cp.max_latency = cpu_to_le16(0xffff);
1523 cp.content_format = cpu_to_le16(hdev->voice_setting);
1524 cp.retrans_effort = 0xff;
1da177e4 1525
b6a0dc82
MH
1526 hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
1527 sizeof(cp), &cp);
1528 }
a9de9248
MH
1529 } else {
1530 /* Connection rejected */
1531 struct hci_cp_reject_conn_req cp;
1da177e4 1532
a9de9248
MH
1533 bacpy(&cp.bdaddr, &ev->bdaddr);
1534 cp.reason = 0x0f;
1535 hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
1da177e4 1536 }
1da177e4
LT
1537}
1538
a9de9248 1539static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 1540{
a9de9248 1541 struct hci_ev_disconn_complete *ev = (void *) skb->data;
04837f64
MH
1542 struct hci_conn *conn;
1543
1544 BT_DBG("%s status %d", hdev->name, ev->status);
1545
8962ee74
JH
1546 if (ev->status) {
1547 mgmt_disconnect_failed(hdev->id);
a9de9248 1548 return;
8962ee74 1549 }
a9de9248 1550
04837f64
MH
1551 hci_dev_lock(hdev);
1552
1553 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
f7520543
JH
1554 if (!conn)
1555 goto unlock;
7d0db0a3 1556
f7520543 1557 conn->state = BT_CLOSED;
04837f64 1558
83bc71b4 1559 if (conn->type == ACL_LINK || conn->type == LE_LINK)
f7520543
JH
1560 mgmt_disconnected(hdev->id, &conn->dst);
1561
1562 hci_proto_disconn_cfm(conn, ev->reason);
1563 hci_conn_del(conn);
1564
1565unlock:
04837f64
MH
1566 hci_dev_unlock(hdev);
1567}
1568
1da177e4
LT
1569static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1570{
a9de9248 1571 struct hci_ev_auth_complete *ev = (void *) skb->data;
04837f64 1572 struct hci_conn *conn;
1da177e4
LT
1573
1574 BT_DBG("%s status %d", hdev->name, ev->status);
1575
1576 hci_dev_lock(hdev);
1577
04837f64 1578 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
d7556e20
WR
1579 if (!conn)
1580 goto unlock;
1581
1582 if (!ev->status) {
1583 if (!(conn->ssp_mode > 0 && hdev->ssp_mode > 0) &&
1584 test_bit(HCI_CONN_REAUTH_PEND, &conn->pend)) {
1585 BT_INFO("re-auth of legacy device is not possible.");
2a611692 1586 } else {
d7556e20
WR
1587 conn->link_mode |= HCI_LM_AUTH;
1588 conn->sec_level = conn->pending_sec_level;
2a611692 1589 }
d7556e20
WR
1590 } else {
1591 mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
1592 }
1da177e4 1593
d7556e20
WR
1594 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
1595 clear_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
1da177e4 1596
d7556e20
WR
1597 if (conn->state == BT_CONFIG) {
1598 if (!ev->status && hdev->ssp_mode > 0 && conn->ssp_mode > 0) {
1599 struct hci_cp_set_conn_encrypt cp;
1600 cp.handle = ev->handle;
1601 cp.encrypt = 0x01;
1602 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1603 &cp);
052b30b0 1604 } else {
d7556e20
WR
1605 conn->state = BT_CONNECTED;
1606 hci_proto_connect_cfm(conn, ev->status);
052b30b0
MH
1607 hci_conn_put(conn);
1608 }
d7556e20
WR
1609 } else {
1610 hci_auth_cfm(conn, ev->status);
052b30b0 1611
d7556e20
WR
1612 hci_conn_hold(conn);
1613 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
1614 hci_conn_put(conn);
1615 }
1616
1617 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
1618 if (!ev->status) {
1619 struct hci_cp_set_conn_encrypt cp;
1620 cp.handle = ev->handle;
1621 cp.encrypt = 0x01;
1622 hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
1623 &cp);
1624 } else {
1625 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
1626 hci_encrypt_cfm(conn, ev->status, 0x00);
1da177e4
LT
1627 }
1628 }
1629
d7556e20 1630unlock:
1da177e4
LT
1631 hci_dev_unlock(hdev);
1632}
1633
a9de9248 1634static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1635{
127178d2
JH
1636 struct hci_ev_remote_name *ev = (void *) skb->data;
1637 struct hci_conn *conn;
1638
a9de9248 1639 BT_DBG("%s", hdev->name);
1da177e4 1640
a9de9248 1641 hci_conn_check_pending(hdev);
127178d2
JH
1642
1643 hci_dev_lock(hdev);
1644
a88a9652
JH
1645 if (ev->status == 0 && test_bit(HCI_MGMT, &hdev->flags))
1646 mgmt_remote_name(hdev->id, &ev->bdaddr, ev->name);
1647
127178d2 1648 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
79c6c70c
JH
1649 if (!conn)
1650 goto unlock;
1651
1652 if (!hci_outgoing_auth_needed(hdev, conn))
1653 goto unlock;
1654
1655 if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
127178d2
JH
1656 struct hci_cp_auth_requested cp;
1657 cp.handle = __cpu_to_le16(conn->handle);
1658 hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
1659 }
1660
79c6c70c 1661unlock:
127178d2 1662 hci_dev_unlock(hdev);
a9de9248
MH
1663}
1664
1665static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
1666{
1667 struct hci_ev_encrypt_change *ev = (void *) skb->data;
1668 struct hci_conn *conn;
1669
1670 BT_DBG("%s status %d", hdev->name, ev->status);
1da177e4
LT
1671
1672 hci_dev_lock(hdev);
1673
04837f64 1674 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
1675 if (conn) {
1676 if (!ev->status) {
ae293196
MH
1677 if (ev->encrypt) {
1678 /* Encryption implies authentication */
1679 conn->link_mode |= HCI_LM_AUTH;
1da177e4 1680 conn->link_mode |= HCI_LM_ENCRYPT;
da85e5e5 1681 conn->sec_level = conn->pending_sec_level;
ae293196 1682 } else
1da177e4
LT
1683 conn->link_mode &= ~HCI_LM_ENCRYPT;
1684 }
1685
1686 clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
1687
f8558555
MH
1688 if (conn->state == BT_CONFIG) {
1689 if (!ev->status)
1690 conn->state = BT_CONNECTED;
1691
1692 hci_proto_connect_cfm(conn, ev->status);
1693 hci_conn_put(conn);
1694 } else
1695 hci_encrypt_cfm(conn, ev->status, ev->encrypt);
1da177e4
LT
1696 }
1697
1698 hci_dev_unlock(hdev);
1699}
1700
a9de9248 1701static inline void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1702{
a9de9248 1703 struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
04837f64 1704 struct hci_conn *conn;
1da177e4
LT
1705
1706 BT_DBG("%s status %d", hdev->name, ev->status);
1707
1708 hci_dev_lock(hdev);
1709
04837f64 1710 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
1711 if (conn) {
1712 if (!ev->status)
1713 conn->link_mode |= HCI_LM_SECURE;
1714
1715 clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
1716
1717 hci_key_change_cfm(conn, ev->status);
1718 }
1719
1720 hci_dev_unlock(hdev);
1721}
1722
a9de9248 1723static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1724{
a9de9248
MH
1725 struct hci_ev_remote_features *ev = (void *) skb->data;
1726 struct hci_conn *conn;
1727
1728 BT_DBG("%s status %d", hdev->name, ev->status);
1729
a9de9248
MH
1730 hci_dev_lock(hdev);
1731
1732 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
1733 if (!conn)
1734 goto unlock;
769be974 1735
ccd556fe
JH
1736 if (!ev->status)
1737 memcpy(conn->features, ev->features, 8);
1738
1739 if (conn->state != BT_CONFIG)
1740 goto unlock;
1741
1742 if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
1743 struct hci_cp_read_remote_ext_features cp;
1744 cp.handle = ev->handle;
1745 cp.page = 0x01;
1746 hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
bdb7524a 1747 sizeof(cp), &cp);
392599b9
JH
1748 goto unlock;
1749 }
1750
127178d2
JH
1751 if (!ev->status) {
1752 struct hci_cp_remote_name_req cp;
1753 memset(&cp, 0, sizeof(cp));
1754 bacpy(&cp.bdaddr, &conn->dst);
1755 cp.pscan_rep_mode = 0x02;
1756 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
1757 }
392599b9 1758
127178d2 1759 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
1760 conn->state = BT_CONNECTED;
1761 hci_proto_connect_cfm(conn, ev->status);
1762 hci_conn_put(conn);
769be974 1763 }
a9de9248 1764
ccd556fe 1765unlock:
a9de9248 1766 hci_dev_unlock(hdev);
1da177e4
LT
1767}
1768
a9de9248 1769static inline void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1770{
a9de9248 1771 BT_DBG("%s", hdev->name);
1da177e4
LT
1772}
1773
a9de9248 1774static inline void hci_qos_setup_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 1775{
a9de9248 1776 BT_DBG("%s", hdev->name);
1da177e4
LT
1777}
1778
a9de9248
MH
1779static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
1780{
1781 struct hci_ev_cmd_complete *ev = (void *) skb->data;
1782 __u16 opcode;
1783
1784 skb_pull(skb, sizeof(*ev));
1785
1786 opcode = __le16_to_cpu(ev->opcode);
1787
1788 switch (opcode) {
1789 case HCI_OP_INQUIRY_CANCEL:
1790 hci_cc_inquiry_cancel(hdev, skb);
1791 break;
1792
1793 case HCI_OP_EXIT_PERIODIC_INQ:
1794 hci_cc_exit_periodic_inq(hdev, skb);
1795 break;
1796
1797 case HCI_OP_REMOTE_NAME_REQ_CANCEL:
1798 hci_cc_remote_name_req_cancel(hdev, skb);
1799 break;
1800
1801 case HCI_OP_ROLE_DISCOVERY:
1802 hci_cc_role_discovery(hdev, skb);
1803 break;
1804
e4e8e37c
MH
1805 case HCI_OP_READ_LINK_POLICY:
1806 hci_cc_read_link_policy(hdev, skb);
1807 break;
1808
a9de9248
MH
1809 case HCI_OP_WRITE_LINK_POLICY:
1810 hci_cc_write_link_policy(hdev, skb);
1811 break;
1812
e4e8e37c
MH
1813 case HCI_OP_READ_DEF_LINK_POLICY:
1814 hci_cc_read_def_link_policy(hdev, skb);
1815 break;
1816
1817 case HCI_OP_WRITE_DEF_LINK_POLICY:
1818 hci_cc_write_def_link_policy(hdev, skb);
1819 break;
1820
a9de9248
MH
1821 case HCI_OP_RESET:
1822 hci_cc_reset(hdev, skb);
1823 break;
1824
1825 case HCI_OP_WRITE_LOCAL_NAME:
1826 hci_cc_write_local_name(hdev, skb);
1827 break;
1828
1829 case HCI_OP_READ_LOCAL_NAME:
1830 hci_cc_read_local_name(hdev, skb);
1831 break;
1832
1833 case HCI_OP_WRITE_AUTH_ENABLE:
1834 hci_cc_write_auth_enable(hdev, skb);
1835 break;
1836
1837 case HCI_OP_WRITE_ENCRYPT_MODE:
1838 hci_cc_write_encrypt_mode(hdev, skb);
1839 break;
1840
1841 case HCI_OP_WRITE_SCAN_ENABLE:
1842 hci_cc_write_scan_enable(hdev, skb);
1843 break;
1844
1845 case HCI_OP_READ_CLASS_OF_DEV:
1846 hci_cc_read_class_of_dev(hdev, skb);
1847 break;
1848
1849 case HCI_OP_WRITE_CLASS_OF_DEV:
1850 hci_cc_write_class_of_dev(hdev, skb);
1851 break;
1852
1853 case HCI_OP_READ_VOICE_SETTING:
1854 hci_cc_read_voice_setting(hdev, skb);
1855 break;
1856
1857 case HCI_OP_WRITE_VOICE_SETTING:
1858 hci_cc_write_voice_setting(hdev, skb);
1859 break;
1860
1861 case HCI_OP_HOST_BUFFER_SIZE:
1862 hci_cc_host_buffer_size(hdev, skb);
1863 break;
1864
333140b5
MH
1865 case HCI_OP_READ_SSP_MODE:
1866 hci_cc_read_ssp_mode(hdev, skb);
1867 break;
1868
1869 case HCI_OP_WRITE_SSP_MODE:
1870 hci_cc_write_ssp_mode(hdev, skb);
1871 break;
1872
a9de9248
MH
1873 case HCI_OP_READ_LOCAL_VERSION:
1874 hci_cc_read_local_version(hdev, skb);
1875 break;
1876
1877 case HCI_OP_READ_LOCAL_COMMANDS:
1878 hci_cc_read_local_commands(hdev, skb);
1879 break;
1880
1881 case HCI_OP_READ_LOCAL_FEATURES:
1882 hci_cc_read_local_features(hdev, skb);
1883 break;
1884
971e3a4b
AG
1885 case HCI_OP_READ_LOCAL_EXT_FEATURES:
1886 hci_cc_read_local_ext_features(hdev, skb);
1887 break;
1888
a9de9248
MH
1889 case HCI_OP_READ_BUFFER_SIZE:
1890 hci_cc_read_buffer_size(hdev, skb);
1891 break;
1892
1893 case HCI_OP_READ_BD_ADDR:
1894 hci_cc_read_bd_addr(hdev, skb);
1895 break;
1896
23bb5763
JH
1897 case HCI_OP_WRITE_CA_TIMEOUT:
1898 hci_cc_write_ca_timeout(hdev, skb);
1899 break;
1900
b0916ea0
JH
1901 case HCI_OP_DELETE_STORED_LINK_KEY:
1902 hci_cc_delete_stored_link_key(hdev, skb);
1903 break;
1904
d5859e22
JH
1905 case HCI_OP_SET_EVENT_MASK:
1906 hci_cc_set_event_mask(hdev, skb);
1907 break;
1908
1909 case HCI_OP_WRITE_INQUIRY_MODE:
1910 hci_cc_write_inquiry_mode(hdev, skb);
1911 break;
1912
1913 case HCI_OP_READ_INQ_RSP_TX_POWER:
1914 hci_cc_read_inq_rsp_tx_power(hdev, skb);
1915 break;
1916
1917 case HCI_OP_SET_EVENT_FLT:
1918 hci_cc_set_event_flt(hdev, skb);
1919 break;
1920
980e1a53
JH
1921 case HCI_OP_PIN_CODE_REPLY:
1922 hci_cc_pin_code_reply(hdev, skb);
1923 break;
1924
1925 case HCI_OP_PIN_CODE_NEG_REPLY:
1926 hci_cc_pin_code_neg_reply(hdev, skb);
1927 break;
1928
c35938b2
SJ
1929 case HCI_OP_READ_LOCAL_OOB_DATA:
1930 hci_cc_read_local_oob_data_reply(hdev, skb);
1931 break;
1932
6ed58ec5
VT
1933 case HCI_OP_LE_READ_BUFFER_SIZE:
1934 hci_cc_le_read_buffer_size(hdev, skb);
1935 break;
1936
a5c29683
JH
1937 case HCI_OP_USER_CONFIRM_REPLY:
1938 hci_cc_user_confirm_reply(hdev, skb);
1939 break;
1940
1941 case HCI_OP_USER_CONFIRM_NEG_REPLY:
1942 hci_cc_user_confirm_neg_reply(hdev, skb);
1943 break;
1944
eb9d91f5
AG
1945 case HCI_OP_LE_SET_SCAN_ENABLE:
1946 hci_cc_le_set_scan_enable(hdev, skb);
1947 break;
1948
a7a595f6
VCG
1949 case HCI_OP_LE_LTK_REPLY:
1950 hci_cc_le_ltk_reply(hdev, skb);
1951 break;
1952
1953 case HCI_OP_LE_LTK_NEG_REPLY:
1954 hci_cc_le_ltk_neg_reply(hdev, skb);
1955 break;
1956
f9b49306
AG
1957 case HCI_OP_WRITE_LE_HOST_SUPPORTED:
1958 hci_cc_write_le_host_supported(hdev, skb);
1959 break;
1960
a9de9248
MH
1961 default:
1962 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
1963 break;
1964 }
1965
6bd32326
VT
1966 if (ev->opcode != HCI_OP_NOP)
1967 del_timer(&hdev->cmd_timer);
1968
a9de9248
MH
1969 if (ev->ncmd) {
1970 atomic_set(&hdev->cmd_cnt, 1);
1971 if (!skb_queue_empty(&hdev->cmd_q))
c78ae283 1972 tasklet_schedule(&hdev->cmd_task);
a9de9248
MH
1973 }
1974}
1975
1976static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
1977{
1978 struct hci_ev_cmd_status *ev = (void *) skb->data;
1979 __u16 opcode;
1980
1981 skb_pull(skb, sizeof(*ev));
1982
1983 opcode = __le16_to_cpu(ev->opcode);
1984
1985 switch (opcode) {
1986 case HCI_OP_INQUIRY:
1987 hci_cs_inquiry(hdev, ev->status);
1988 break;
1989
1990 case HCI_OP_CREATE_CONN:
1991 hci_cs_create_conn(hdev, ev->status);
1992 break;
1993
1994 case HCI_OP_ADD_SCO:
1995 hci_cs_add_sco(hdev, ev->status);
1996 break;
1997
f8558555
MH
1998 case HCI_OP_AUTH_REQUESTED:
1999 hci_cs_auth_requested(hdev, ev->status);
2000 break;
2001
2002 case HCI_OP_SET_CONN_ENCRYPT:
2003 hci_cs_set_conn_encrypt(hdev, ev->status);
2004 break;
2005
a9de9248
MH
2006 case HCI_OP_REMOTE_NAME_REQ:
2007 hci_cs_remote_name_req(hdev, ev->status);
2008 break;
2009
769be974
MH
2010 case HCI_OP_READ_REMOTE_FEATURES:
2011 hci_cs_read_remote_features(hdev, ev->status);
2012 break;
2013
2014 case HCI_OP_READ_REMOTE_EXT_FEATURES:
2015 hci_cs_read_remote_ext_features(hdev, ev->status);
2016 break;
2017
a9de9248
MH
2018 case HCI_OP_SETUP_SYNC_CONN:
2019 hci_cs_setup_sync_conn(hdev, ev->status);
2020 break;
2021
2022 case HCI_OP_SNIFF_MODE:
2023 hci_cs_sniff_mode(hdev, ev->status);
2024 break;
2025
2026 case HCI_OP_EXIT_SNIFF_MODE:
2027 hci_cs_exit_sniff_mode(hdev, ev->status);
2028 break;
2029
8962ee74
JH
2030 case HCI_OP_DISCONNECT:
2031 if (ev->status != 0)
2032 mgmt_disconnect_failed(hdev->id);
2033 break;
2034
fcd89c09
VT
2035 case HCI_OP_LE_CREATE_CONN:
2036 hci_cs_le_create_conn(hdev, ev->status);
2037 break;
2038
a7a595f6
VCG
2039 case HCI_OP_LE_START_ENC:
2040 hci_cs_le_start_enc(hdev, ev->status);
2041 break;
2042
a9de9248
MH
2043 default:
2044 BT_DBG("%s opcode 0x%x", hdev->name, opcode);
2045 break;
2046 }
2047
6bd32326
VT
2048 if (ev->opcode != HCI_OP_NOP)
2049 del_timer(&hdev->cmd_timer);
2050
10572132 2051 if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
a9de9248
MH
2052 atomic_set(&hdev->cmd_cnt, 1);
2053 if (!skb_queue_empty(&hdev->cmd_q))
c78ae283 2054 tasklet_schedule(&hdev->cmd_task);
a9de9248
MH
2055 }
2056}
2057
2058static inline void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2059{
2060 struct hci_ev_role_change *ev = (void *) skb->data;
2061 struct hci_conn *conn;
2062
2063 BT_DBG("%s status %d", hdev->name, ev->status);
2064
2065 hci_dev_lock(hdev);
2066
2067 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2068 if (conn) {
2069 if (!ev->status) {
2070 if (ev->role)
2071 conn->link_mode &= ~HCI_LM_MASTER;
2072 else
2073 conn->link_mode |= HCI_LM_MASTER;
2074 }
2075
2076 clear_bit(HCI_CONN_RSWITCH_PEND, &conn->pend);
2077
2078 hci_role_switch_cfm(conn, ev->status, ev->role);
2079 }
2080
2081 hci_dev_unlock(hdev);
2082}
2083
2084static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
2085{
2086 struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
2087 __le16 *ptr;
2088 int i;
2089
2090 skb_pull(skb, sizeof(*ev));
2091
2092 BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
2093
2094 if (skb->len < ev->num_hndl * 4) {
2095 BT_DBG("%s bad parameters", hdev->name);
2096 return;
2097 }
2098
2099 tasklet_disable(&hdev->tx_task);
2100
2101 for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) {
2102 struct hci_conn *conn;
2103 __u16 handle, count;
2104
83985319
HH
2105 handle = get_unaligned_le16(ptr++);
2106 count = get_unaligned_le16(ptr++);
a9de9248
MH
2107
2108 conn = hci_conn_hash_lookup_handle(hdev, handle);
2109 if (conn) {
2110 conn->sent -= count;
2111
2112 if (conn->type == ACL_LINK) {
70f23020
AE
2113 hdev->acl_cnt += count;
2114 if (hdev->acl_cnt > hdev->acl_pkts)
a9de9248 2115 hdev->acl_cnt = hdev->acl_pkts;
6ed58ec5
VT
2116 } else if (conn->type == LE_LINK) {
2117 if (hdev->le_pkts) {
2118 hdev->le_cnt += count;
2119 if (hdev->le_cnt > hdev->le_pkts)
2120 hdev->le_cnt = hdev->le_pkts;
2121 } else {
2122 hdev->acl_cnt += count;
2123 if (hdev->acl_cnt > hdev->acl_pkts)
2124 hdev->acl_cnt = hdev->acl_pkts;
2125 }
a9de9248 2126 } else {
70f23020
AE
2127 hdev->sco_cnt += count;
2128 if (hdev->sco_cnt > hdev->sco_pkts)
a9de9248
MH
2129 hdev->sco_cnt = hdev->sco_pkts;
2130 }
2131 }
2132 }
2133
c78ae283 2134 tasklet_schedule(&hdev->tx_task);
a9de9248
MH
2135
2136 tasklet_enable(&hdev->tx_task);
2137}
2138
2139static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
04837f64 2140{
a9de9248 2141 struct hci_ev_mode_change *ev = (void *) skb->data;
04837f64
MH
2142 struct hci_conn *conn;
2143
2144 BT_DBG("%s status %d", hdev->name, ev->status);
2145
2146 hci_dev_lock(hdev);
2147
2148 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
a9de9248
MH
2149 if (conn) {
2150 conn->mode = ev->mode;
2151 conn->interval = __le16_to_cpu(ev->interval);
2152
2153 if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
2154 if (conn->mode == HCI_CM_ACTIVE)
2155 conn->power_save = 1;
2156 else
2157 conn->power_save = 0;
2158 }
e73439d8
MH
2159
2160 if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->pend))
2161 hci_sco_setup(conn, ev->status);
04837f64
MH
2162 }
2163
2164 hci_dev_unlock(hdev);
2165}
2166
a9de9248
MH
2167static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2168{
052b30b0
MH
2169 struct hci_ev_pin_code_req *ev = (void *) skb->data;
2170 struct hci_conn *conn;
2171
a9de9248 2172 BT_DBG("%s", hdev->name);
052b30b0
MH
2173
2174 hci_dev_lock(hdev);
2175
2176 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
3d7a9d1c 2177 if (conn && conn->state == BT_CONNECTED) {
052b30b0
MH
2178 hci_conn_hold(conn);
2179 conn->disc_timeout = HCI_PAIRING_TIMEOUT;
2180 hci_conn_put(conn);
2181 }
2182
03b555e1
JH
2183 if (!test_bit(HCI_PAIRABLE, &hdev->flags))
2184 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
2185 sizeof(ev->bdaddr), &ev->bdaddr);
582fbe9e 2186 else if (test_bit(HCI_MGMT, &hdev->flags)) {
a770bb5a
WR
2187 u8 secure;
2188
2189 if (conn->pending_sec_level == BT_SECURITY_HIGH)
2190 secure = 1;
2191 else
2192 secure = 0;
2193
2194 mgmt_pin_code_request(hdev->id, &ev->bdaddr, secure);
2195 }
980e1a53 2196
052b30b0 2197 hci_dev_unlock(hdev);
a9de9248
MH
2198}
2199
2200static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2201{
55ed8ca1
JH
2202 struct hci_ev_link_key_req *ev = (void *) skb->data;
2203 struct hci_cp_link_key_reply cp;
2204 struct hci_conn *conn;
2205 struct link_key *key;
2206
a9de9248 2207 BT_DBG("%s", hdev->name);
55ed8ca1
JH
2208
2209 if (!test_bit(HCI_LINK_KEYS, &hdev->flags))
2210 return;
2211
2212 hci_dev_lock(hdev);
2213
2214 key = hci_find_link_key(hdev, &ev->bdaddr);
2215 if (!key) {
2216 BT_DBG("%s link key not found for %s", hdev->name,
2217 batostr(&ev->bdaddr));
2218 goto not_found;
2219 }
2220
2221 BT_DBG("%s found key type %u for %s", hdev->name, key->type,
2222 batostr(&ev->bdaddr));
2223
b6020ba0
WR
2224 if (!test_bit(HCI_DEBUG_KEYS, &hdev->flags) &&
2225 key->type == HCI_LK_DEBUG_COMBINATION) {
55ed8ca1
JH
2226 BT_DBG("%s ignoring debug key", hdev->name);
2227 goto not_found;
2228 }
2229
2230 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
60b83f57
WR
2231 if (conn) {
2232 if (key->type == HCI_LK_UNAUTH_COMBINATION &&
2233 conn->auth_type != 0xff &&
2234 (conn->auth_type & 0x01)) {
2235 BT_DBG("%s ignoring unauthenticated key", hdev->name);
2236 goto not_found;
2237 }
55ed8ca1 2238
60b83f57
WR
2239 if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
2240 conn->pending_sec_level == BT_SECURITY_HIGH) {
2241 BT_DBG("%s ignoring key unauthenticated for high \
2242 security", hdev->name);
2243 goto not_found;
2244 }
2245
2246 conn->key_type = key->type;
2247 conn->pin_length = key->pin_len;
55ed8ca1
JH
2248 }
2249
2250 bacpy(&cp.bdaddr, &ev->bdaddr);
2251 memcpy(cp.link_key, key->val, 16);
2252
2253 hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
2254
2255 hci_dev_unlock(hdev);
2256
2257 return;
2258
2259not_found:
2260 hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
2261 hci_dev_unlock(hdev);
a9de9248
MH
2262}
2263
2264static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
2265{
052b30b0
MH
2266 struct hci_ev_link_key_notify *ev = (void *) skb->data;
2267 struct hci_conn *conn;
55ed8ca1 2268 u8 pin_len = 0;
052b30b0 2269
a9de9248 2270 BT_DBG("%s", hdev->name);
052b30b0
MH
2271
2272 hci_dev_lock(hdev);
2273
2274 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2275 if (conn) {
2276 hci_conn_hold(conn);
2277 conn->disc_timeout = HCI_DISCONN_TIMEOUT;
980e1a53 2278 pin_len = conn->pin_length;
13d39315
WR
2279
2280 if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
2281 conn->key_type = ev->key_type;
2282
052b30b0
MH
2283 hci_conn_put(conn);
2284 }
2285
55ed8ca1 2286 if (test_bit(HCI_LINK_KEYS, &hdev->flags))
d25e28ab 2287 hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
55ed8ca1
JH
2288 ev->key_type, pin_len);
2289
052b30b0 2290 hci_dev_unlock(hdev);
a9de9248
MH
2291}
2292
1da177e4
LT
2293static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
2294{
a9de9248 2295 struct hci_ev_clock_offset *ev = (void *) skb->data;
04837f64 2296 struct hci_conn *conn;
1da177e4
LT
2297
2298 BT_DBG("%s status %d", hdev->name, ev->status);
2299
2300 hci_dev_lock(hdev);
2301
04837f64 2302 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
1da177e4
LT
2303 if (conn && !ev->status) {
2304 struct inquiry_entry *ie;
2305
cc11b9c1
AE
2306 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2307 if (ie) {
1da177e4
LT
2308 ie->data.clock_offset = ev->clock_offset;
2309 ie->timestamp = jiffies;
2310 }
2311 }
2312
2313 hci_dev_unlock(hdev);
2314}
2315
a8746417
MH
2316static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
2317{
2318 struct hci_ev_pkt_type_change *ev = (void *) skb->data;
2319 struct hci_conn *conn;
2320
2321 BT_DBG("%s status %d", hdev->name, ev->status);
2322
2323 hci_dev_lock(hdev);
2324
2325 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
2326 if (conn && !ev->status)
2327 conn->pkt_type = __le16_to_cpu(ev->pkt_type);
2328
2329 hci_dev_unlock(hdev);
2330}
2331
85a1e930
MH
2332static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
2333{
a9de9248 2334 struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
85a1e930
MH
2335 struct inquiry_entry *ie;
2336
2337 BT_DBG("%s", hdev->name);
2338
2339 hci_dev_lock(hdev);
2340
cc11b9c1
AE
2341 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2342 if (ie) {
85a1e930
MH
2343 ie->data.pscan_rep_mode = ev->pscan_rep_mode;
2344 ie->timestamp = jiffies;
2345 }
2346
2347 hci_dev_unlock(hdev);
2348}
2349
a9de9248
MH
2350static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct sk_buff *skb)
2351{
2352 struct inquiry_data data;
2353 int num_rsp = *((__u8 *) skb->data);
2354
2355 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
2356
2357 if (!num_rsp)
2358 return;
2359
2360 hci_dev_lock(hdev);
2361
314b2381
JH
2362 if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
2363
2364 if (test_bit(HCI_MGMT, &hdev->flags))
2365 mgmt_discovering(hdev->id, 1);
2366 }
2367
a9de9248 2368 if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
138d22ef
SJ
2369 struct inquiry_info_with_rssi_and_pscan_mode *info;
2370 info = (void *) (skb->data + 1);
a9de9248 2371
e17acd40 2372 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2373 bacpy(&data.bdaddr, &info->bdaddr);
2374 data.pscan_rep_mode = info->pscan_rep_mode;
2375 data.pscan_period_mode = info->pscan_period_mode;
2376 data.pscan_mode = info->pscan_mode;
2377 memcpy(data.dev_class, info->dev_class, 3);
2378 data.clock_offset = info->clock_offset;
2379 data.rssi = info->rssi;
41a96212 2380 data.ssp_mode = 0x00;
a9de9248 2381 hci_inquiry_cache_update(hdev, &data);
e17acd40
JH
2382 mgmt_device_found(hdev->id, &info->bdaddr,
2383 info->dev_class, info->rssi,
2384 NULL);
a9de9248
MH
2385 }
2386 } else {
2387 struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
2388
e17acd40 2389 for (; num_rsp; num_rsp--, info++) {
a9de9248
MH
2390 bacpy(&data.bdaddr, &info->bdaddr);
2391 data.pscan_rep_mode = info->pscan_rep_mode;
2392 data.pscan_period_mode = info->pscan_period_mode;
2393 data.pscan_mode = 0x00;
2394 memcpy(data.dev_class, info->dev_class, 3);
2395 data.clock_offset = info->clock_offset;
2396 data.rssi = info->rssi;
41a96212 2397 data.ssp_mode = 0x00;
a9de9248 2398 hci_inquiry_cache_update(hdev, &data);
e17acd40
JH
2399 mgmt_device_found(hdev->id, &info->bdaddr,
2400 info->dev_class, info->rssi,
2401 NULL);
a9de9248
MH
2402 }
2403 }
2404
2405 hci_dev_unlock(hdev);
2406}
2407
2408static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
2409{
41a96212
MH
2410 struct hci_ev_remote_ext_features *ev = (void *) skb->data;
2411 struct hci_conn *conn;
2412
a9de9248 2413 BT_DBG("%s", hdev->name);
41a96212 2414
41a96212
MH
2415 hci_dev_lock(hdev);
2416
2417 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
ccd556fe
JH
2418 if (!conn)
2419 goto unlock;
41a96212 2420
ccd556fe
JH
2421 if (!ev->status && ev->page == 0x01) {
2422 struct inquiry_entry *ie;
41a96212 2423
cc11b9c1
AE
2424 ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
2425 if (ie)
ccd556fe 2426 ie->data.ssp_mode = (ev->features[0] & 0x01);
769be974 2427
ccd556fe
JH
2428 conn->ssp_mode = (ev->features[0] & 0x01);
2429 }
2430
2431 if (conn->state != BT_CONFIG)
2432 goto unlock;
2433
127178d2
JH
2434 if (!ev->status) {
2435 struct hci_cp_remote_name_req cp;
2436 memset(&cp, 0, sizeof(cp));
2437 bacpy(&cp.bdaddr, &conn->dst);
2438 cp.pscan_rep_mode = 0x02;
2439 hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
2440 }
392599b9 2441
127178d2 2442 if (!hci_outgoing_auth_needed(hdev, conn)) {
ccd556fe
JH
2443 conn->state = BT_CONNECTED;
2444 hci_proto_connect_cfm(conn, ev->status);
2445 hci_conn_put(conn);
41a96212
MH
2446 }
2447
ccd556fe 2448unlock:
41a96212 2449 hci_dev_unlock(hdev);
a9de9248
MH
2450}
2451
2452static inline void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2453{
b6a0dc82
MH
2454 struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
2455 struct hci_conn *conn;
2456
2457 BT_DBG("%s status %d", hdev->name, ev->status);
2458
2459 hci_dev_lock(hdev);
2460
2461 conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
9dc0a3af
MH
2462 if (!conn) {
2463 if (ev->link_type == ESCO_LINK)
2464 goto unlock;
2465
2466 conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
2467 if (!conn)
2468 goto unlock;
2469
2470 conn->type = SCO_LINK;
2471 }
b6a0dc82 2472
732547f9
MH
2473 switch (ev->status) {
2474 case 0x00:
b6a0dc82
MH
2475 conn->handle = __le16_to_cpu(ev->handle);
2476 conn->state = BT_CONNECTED;
7d0db0a3 2477
9eba32b8 2478 hci_conn_hold_device(conn);
7d0db0a3 2479 hci_conn_add_sysfs(conn);
732547f9
MH
2480 break;
2481
705e5711 2482 case 0x11: /* Unsupported Feature or Parameter Value */
732547f9 2483 case 0x1c: /* SCO interval rejected */
1038a00b 2484 case 0x1a: /* Unsupported Remote Feature */
732547f9
MH
2485 case 0x1f: /* Unspecified error */
2486 if (conn->out && conn->attempt < 2) {
2487 conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
2488 (hdev->esco_type & EDR_ESCO_MASK);
2489 hci_setup_sync(conn, conn->link->handle);
2490 goto unlock;
2491 }
2492 /* fall through */
2493
2494 default:
b6a0dc82 2495 conn->state = BT_CLOSED;
732547f9
MH
2496 break;
2497 }
b6a0dc82
MH
2498
2499 hci_proto_connect_cfm(conn, ev->status);
2500 if (ev->status)
2501 hci_conn_del(conn);
2502
2503unlock:
2504 hci_dev_unlock(hdev);
a9de9248
MH
2505}
2506
2507static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
2508{
2509 BT_DBG("%s", hdev->name);
2510}
2511
04837f64
MH
2512static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
2513{
a9de9248 2514 struct hci_ev_sniff_subrate *ev = (void *) skb->data;
04837f64
MH
2515
2516 BT_DBG("%s status %d", hdev->name, ev->status);
04837f64
MH
2517}
2518
a9de9248 2519static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
1da177e4 2520{
a9de9248
MH
2521 struct inquiry_data data;
2522 struct extended_inquiry_info *info = (void *) (skb->data + 1);
2523 int num_rsp = *((__u8 *) skb->data);
1da177e4 2524
a9de9248 2525 BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
1da177e4 2526
a9de9248
MH
2527 if (!num_rsp)
2528 return;
1da177e4 2529
314b2381
JH
2530 if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
2531
2532 if (test_bit(HCI_MGMT, &hdev->flags))
2533 mgmt_discovering(hdev->id, 1);
2534 }
2535
a9de9248
MH
2536 hci_dev_lock(hdev);
2537
e17acd40 2538 for (; num_rsp; num_rsp--, info++) {
a9de9248 2539 bacpy(&data.bdaddr, &info->bdaddr);
138d22ef
SJ
2540 data.pscan_rep_mode = info->pscan_rep_mode;
2541 data.pscan_period_mode = info->pscan_period_mode;
2542 data.pscan_mode = 0x00;
a9de9248 2543 memcpy(data.dev_class, info->dev_class, 3);
138d22ef
SJ
2544 data.clock_offset = info->clock_offset;
2545 data.rssi = info->rssi;
41a96212 2546 data.ssp_mode = 0x01;
a9de9248 2547 hci_inquiry_cache_update(hdev, &data);
e17acd40
JH
2548 mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class,
2549 info->rssi, info->data);
a9de9248
MH
2550 }
2551
2552 hci_dev_unlock(hdev);
2553}
1da177e4 2554
17fa4b9d
JH
2555static inline u8 hci_get_auth_req(struct hci_conn *conn)
2556{
2557 /* If remote requests dedicated bonding follow that lead */
2558 if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
2559 /* If both remote and local IO capabilities allow MITM
2560 * protection then require it, otherwise don't */
2561 if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
2562 return 0x02;
2563 else
2564 return 0x03;
2565 }
2566
2567 /* If remote requests no-bonding follow that lead */
2568 if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
58797bf7 2569 return conn->remote_auth | (conn->auth_type & 0x01);
17fa4b9d
JH
2570
2571 return conn->auth_type;
2572}
2573
0493684e
MH
2574static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
2575{
2576 struct hci_ev_io_capa_request *ev = (void *) skb->data;
2577 struct hci_conn *conn;
2578
2579 BT_DBG("%s", hdev->name);
2580
2581 hci_dev_lock(hdev);
2582
2583 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
03b555e1
JH
2584 if (!conn)
2585 goto unlock;
2586
2587 hci_conn_hold(conn);
2588
2589 if (!test_bit(HCI_MGMT, &hdev->flags))
2590 goto unlock;
2591
2592 if (test_bit(HCI_PAIRABLE, &hdev->flags) ||
2593 (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
17fa4b9d
JH
2594 struct hci_cp_io_capability_reply cp;
2595
2596 bacpy(&cp.bdaddr, &ev->bdaddr);
2597 cp.capability = conn->io_capability;
7cbc9bd9
JH
2598 conn->auth_type = hci_get_auth_req(conn);
2599 cp.authentication = conn->auth_type;
17fa4b9d 2600
ce85ee13
SJ
2601 if ((conn->out == 0x01 || conn->remote_oob == 0x01) &&
2602 hci_find_remote_oob_data(hdev, &conn->dst))
2603 cp.oob_data = 0x01;
2604 else
2605 cp.oob_data = 0x00;
2606
17fa4b9d
JH
2607 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
2608 sizeof(cp), &cp);
03b555e1
JH
2609 } else {
2610 struct hci_cp_io_capability_neg_reply cp;
2611
2612 bacpy(&cp.bdaddr, &ev->bdaddr);
be77159c 2613 cp.reason = 0x18; /* Pairing not allowed */
0493684e 2614
03b555e1
JH
2615 hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
2616 sizeof(cp), &cp);
2617 }
2618
2619unlock:
2620 hci_dev_unlock(hdev);
2621}
2622
2623static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
2624{
2625 struct hci_ev_io_capa_reply *ev = (void *) skb->data;
2626 struct hci_conn *conn;
2627
2628 BT_DBG("%s", hdev->name);
2629
2630 hci_dev_lock(hdev);
2631
2632 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2633 if (!conn)
2634 goto unlock;
2635
03b555e1
JH
2636 conn->remote_cap = ev->capability;
2637 conn->remote_oob = ev->oob_data;
2638 conn->remote_auth = ev->authentication;
2639
2640unlock:
0493684e
MH
2641 hci_dev_unlock(hdev);
2642}
2643
a5c29683
JH
2644static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
2645 struct sk_buff *skb)
2646{
2647 struct hci_ev_user_confirm_req *ev = (void *) skb->data;
55bc1a37 2648 int loc_mitm, rem_mitm, confirm_hint = 0;
7a828908 2649 struct hci_conn *conn;
a5c29683
JH
2650
2651 BT_DBG("%s", hdev->name);
2652
2653 hci_dev_lock(hdev);
2654
7a828908
JH
2655 if (!test_bit(HCI_MGMT, &hdev->flags))
2656 goto unlock;
a5c29683 2657
7a828908
JH
2658 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2659 if (!conn)
2660 goto unlock;
2661
2662 loc_mitm = (conn->auth_type & 0x01);
2663 rem_mitm = (conn->remote_auth & 0x01);
2664
2665 /* If we require MITM but the remote device can't provide that
2666 * (it has NoInputNoOutput) then reject the confirmation
2667 * request. The only exception is when we're dedicated bonding
2668 * initiators (connect_cfm_cb set) since then we always have the MITM
2669 * bit set. */
2670 if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
2671 BT_DBG("Rejecting request: remote device can't provide MITM");
2672 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
2673 sizeof(ev->bdaddr), &ev->bdaddr);
2674 goto unlock;
2675 }
2676
2677 /* If no side requires MITM protection; auto-accept */
2678 if ((!loc_mitm || conn->remote_cap == 0x03) &&
2679 (!rem_mitm || conn->io_capability == 0x03)) {
55bc1a37
JH
2680
2681 /* If we're not the initiators request authorization to
2682 * proceed from user space (mgmt_user_confirm with
2683 * confirm_hint set to 1). */
2684 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
2685 BT_DBG("Confirming auto-accept as acceptor");
2686 confirm_hint = 1;
2687 goto confirm;
2688 }
2689
9f61656a
JH
2690 BT_DBG("Auto-accept of user confirmation with %ums delay",
2691 hdev->auto_accept_delay);
2692
2693 if (hdev->auto_accept_delay > 0) {
2694 int delay = msecs_to_jiffies(hdev->auto_accept_delay);
2695 mod_timer(&conn->auto_accept_timer, jiffies + delay);
2696 goto unlock;
2697 }
2698
7a828908
JH
2699 hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
2700 sizeof(ev->bdaddr), &ev->bdaddr);
2701 goto unlock;
2702 }
2703
55bc1a37
JH
2704confirm:
2705 mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey,
2706 confirm_hint);
7a828908
JH
2707
2708unlock:
a5c29683
JH
2709 hci_dev_unlock(hdev);
2710}
2711
0493684e
MH
2712static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2713{
2714 struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
2715 struct hci_conn *conn;
2716
2717 BT_DBG("%s", hdev->name);
2718
2719 hci_dev_lock(hdev);
2720
2721 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
2a611692
JH
2722 if (!conn)
2723 goto unlock;
2724
2725 /* To avoid duplicate auth_failed events to user space we check
2726 * the HCI_CONN_AUTH_PEND flag which will be set if we
2727 * initiated the authentication. A traditional auth_complete
2728 * event gets always produced as initiator and is also mapped to
2729 * the mgmt_auth_failed event */
2730 if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend) && ev->status != 0)
2731 mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
0493684e 2732
2a611692
JH
2733 hci_conn_put(conn);
2734
2735unlock:
0493684e
MH
2736 hci_dev_unlock(hdev);
2737}
2738
41a96212
MH
2739static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_buff *skb)
2740{
2741 struct hci_ev_remote_host_features *ev = (void *) skb->data;
2742 struct inquiry_entry *ie;
2743
2744 BT_DBG("%s", hdev->name);
2745
2746 hci_dev_lock(hdev);
2747
cc11b9c1
AE
2748 ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
2749 if (ie)
41a96212
MH
2750 ie->data.ssp_mode = (ev->features[0] & 0x01);
2751
2752 hci_dev_unlock(hdev);
2753}
2754
2763eda6
SJ
2755static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
2756 struct sk_buff *skb)
2757{
2758 struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
2759 struct oob_data *data;
2760
2761 BT_DBG("%s", hdev->name);
2762
2763 hci_dev_lock(hdev);
2764
e1ba1f15
SJ
2765 if (!test_bit(HCI_MGMT, &hdev->flags))
2766 goto unlock;
2767
2763eda6
SJ
2768 data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
2769 if (data) {
2770 struct hci_cp_remote_oob_data_reply cp;
2771
2772 bacpy(&cp.bdaddr, &ev->bdaddr);
2773 memcpy(cp.hash, data->hash, sizeof(cp.hash));
2774 memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
2775
2776 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
2777 &cp);
2778 } else {
2779 struct hci_cp_remote_oob_data_neg_reply cp;
2780
2781 bacpy(&cp.bdaddr, &ev->bdaddr);
2782 hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
2783 &cp);
2784 }
2785
e1ba1f15 2786unlock:
2763eda6
SJ
2787 hci_dev_unlock(hdev);
2788}
2789
fcd89c09
VT
2790static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
2791{
2792 struct hci_ev_le_conn_complete *ev = (void *) skb->data;
2793 struct hci_conn *conn;
2794
2795 BT_DBG("%s status %d", hdev->name, ev->status);
2796
2797 hci_dev_lock(hdev);
2798
2799 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr);
b62f328b
VT
2800 if (!conn) {
2801 conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
2802 if (!conn) {
2803 BT_ERR("No memory for new connection");
2804 hci_dev_unlock(hdev);
2805 return;
2806 }
29b7988a
AG
2807
2808 conn->dst_type = ev->bdaddr_type;
b62f328b 2809 }
fcd89c09
VT
2810
2811 if (ev->status) {
83bc71b4 2812 mgmt_connect_failed(hdev->id, &ev->bdaddr, ev->status);
fcd89c09
VT
2813 hci_proto_connect_cfm(conn, ev->status);
2814 conn->state = BT_CLOSED;
2815 hci_conn_del(conn);
2816 goto unlock;
2817 }
2818
cfafccf7 2819 mgmt_connected(hdev->id, &ev->bdaddr, conn->type);
83bc71b4 2820
7b5c0d52 2821 conn->sec_level = BT_SECURITY_LOW;
fcd89c09
VT
2822 conn->handle = __le16_to_cpu(ev->handle);
2823 conn->state = BT_CONNECTED;
2824
2825 hci_conn_hold_device(conn);
2826 hci_conn_add_sysfs(conn);
2827
2828 hci_proto_connect_cfm(conn, ev->status);
2829
2830unlock:
2831 hci_dev_unlock(hdev);
2832}
2833
9aa04c91
AG
2834static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
2835 struct sk_buff *skb)
2836{
2837 struct hci_ev_le_advertising_info *ev;
2838 u8 num_reports;
2839
2840 num_reports = skb->data[0];
2841 ev = (void *) &skb->data[1];
2842
2843 hci_dev_lock(hdev);
2844
2845 hci_add_adv_entry(hdev, ev);
2846
2847 while (--num_reports) {
2848 ev = (void *) (ev->data + ev->length + 1);
2849 hci_add_adv_entry(hdev, ev);
2850 }
2851
2852 hci_dev_unlock(hdev);
2853}
2854
a7a595f6
VCG
2855static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
2856 struct sk_buff *skb)
2857{
2858 struct hci_ev_le_ltk_req *ev = (void *) skb->data;
2859 struct hci_cp_le_ltk_reply cp;
bea710fe 2860 struct hci_cp_le_ltk_neg_reply neg;
a7a595f6 2861 struct hci_conn *conn;
bea710fe 2862 struct link_key *ltk;
a7a595f6
VCG
2863
2864 BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
2865
2866 hci_dev_lock(hdev);
2867
2868 conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
bea710fe
VCG
2869 if (conn == NULL)
2870 goto not_found;
a7a595f6 2871
bea710fe
VCG
2872 ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
2873 if (ltk == NULL)
2874 goto not_found;
2875
2876 memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
a7a595f6 2877 cp.handle = cpu_to_le16(conn->handle);
726b4ffc 2878 conn->pin_length = ltk->pin_len;
a7a595f6
VCG
2879
2880 hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
2881
2882 hci_dev_unlock(hdev);
bea710fe
VCG
2883
2884 return;
2885
2886not_found:
2887 neg.handle = ev->handle;
2888 hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
2889 hci_dev_unlock(hdev);
a7a595f6
VCG
2890}
2891
fcd89c09
VT
2892static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
2893{
2894 struct hci_ev_le_meta *le_ev = (void *) skb->data;
2895
2896 skb_pull(skb, sizeof(*le_ev));
2897
2898 switch (le_ev->subevent) {
2899 case HCI_EV_LE_CONN_COMPLETE:
2900 hci_le_conn_complete_evt(hdev, skb);
2901 break;
2902
9aa04c91
AG
2903 case HCI_EV_LE_ADVERTISING_REPORT:
2904 hci_le_adv_report_evt(hdev, skb);
2905 break;
2906
a7a595f6
VCG
2907 case HCI_EV_LE_LTK_REQ:
2908 hci_le_ltk_request_evt(hdev, skb);
2909 break;
2910
fcd89c09
VT
2911 default:
2912 break;
2913 }
2914}
2915
a9de9248
MH
2916void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
2917{
2918 struct hci_event_hdr *hdr = (void *) skb->data;
2919 __u8 event = hdr->evt;
2920
2921 skb_pull(skb, HCI_EVENT_HDR_SIZE);
2922
2923 switch (event) {
1da177e4
LT
2924 case HCI_EV_INQUIRY_COMPLETE:
2925 hci_inquiry_complete_evt(hdev, skb);
2926 break;
2927
2928 case HCI_EV_INQUIRY_RESULT:
2929 hci_inquiry_result_evt(hdev, skb);
2930 break;
2931
a9de9248
MH
2932 case HCI_EV_CONN_COMPLETE:
2933 hci_conn_complete_evt(hdev, skb);
21d9e30e
MH
2934 break;
2935
1da177e4
LT
2936 case HCI_EV_CONN_REQUEST:
2937 hci_conn_request_evt(hdev, skb);
2938 break;
2939
1da177e4
LT
2940 case HCI_EV_DISCONN_COMPLETE:
2941 hci_disconn_complete_evt(hdev, skb);
2942 break;
2943
1da177e4
LT
2944 case HCI_EV_AUTH_COMPLETE:
2945 hci_auth_complete_evt(hdev, skb);
2946 break;
2947
a9de9248
MH
2948 case HCI_EV_REMOTE_NAME:
2949 hci_remote_name_evt(hdev, skb);
2950 break;
2951
1da177e4
LT
2952 case HCI_EV_ENCRYPT_CHANGE:
2953 hci_encrypt_change_evt(hdev, skb);
2954 break;
2955
a9de9248
MH
2956 case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
2957 hci_change_link_key_complete_evt(hdev, skb);
2958 break;
2959
2960 case HCI_EV_REMOTE_FEATURES:
2961 hci_remote_features_evt(hdev, skb);
2962 break;
2963
2964 case HCI_EV_REMOTE_VERSION:
2965 hci_remote_version_evt(hdev, skb);
2966 break;
2967
2968 case HCI_EV_QOS_SETUP_COMPLETE:
2969 hci_qos_setup_complete_evt(hdev, skb);
2970 break;
2971
2972 case HCI_EV_CMD_COMPLETE:
2973 hci_cmd_complete_evt(hdev, skb);
2974 break;
2975
2976 case HCI_EV_CMD_STATUS:
2977 hci_cmd_status_evt(hdev, skb);
2978 break;
2979
2980 case HCI_EV_ROLE_CHANGE:
2981 hci_role_change_evt(hdev, skb);
2982 break;
2983
2984 case HCI_EV_NUM_COMP_PKTS:
2985 hci_num_comp_pkts_evt(hdev, skb);
2986 break;
2987
2988 case HCI_EV_MODE_CHANGE:
2989 hci_mode_change_evt(hdev, skb);
1da177e4
LT
2990 break;
2991
2992 case HCI_EV_PIN_CODE_REQ:
2993 hci_pin_code_request_evt(hdev, skb);
2994 break;
2995
2996 case HCI_EV_LINK_KEY_REQ:
2997 hci_link_key_request_evt(hdev, skb);
2998 break;
2999
3000 case HCI_EV_LINK_KEY_NOTIFY:
3001 hci_link_key_notify_evt(hdev, skb);
3002 break;
3003
3004 case HCI_EV_CLOCK_OFFSET:
3005 hci_clock_offset_evt(hdev, skb);
3006 break;
3007
a8746417
MH
3008 case HCI_EV_PKT_TYPE_CHANGE:
3009 hci_pkt_type_change_evt(hdev, skb);
3010 break;
3011
85a1e930
MH
3012 case HCI_EV_PSCAN_REP_MODE:
3013 hci_pscan_rep_mode_evt(hdev, skb);
3014 break;
3015
a9de9248
MH
3016 case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
3017 hci_inquiry_result_with_rssi_evt(hdev, skb);
04837f64
MH
3018 break;
3019
a9de9248
MH
3020 case HCI_EV_REMOTE_EXT_FEATURES:
3021 hci_remote_ext_features_evt(hdev, skb);
1da177e4
LT
3022 break;
3023
a9de9248
MH
3024 case HCI_EV_SYNC_CONN_COMPLETE:
3025 hci_sync_conn_complete_evt(hdev, skb);
3026 break;
1da177e4 3027
a9de9248
MH
3028 case HCI_EV_SYNC_CONN_CHANGED:
3029 hci_sync_conn_changed_evt(hdev, skb);
3030 break;
1da177e4 3031
a9de9248
MH
3032 case HCI_EV_SNIFF_SUBRATE:
3033 hci_sniff_subrate_evt(hdev, skb);
3034 break;
1da177e4 3035
a9de9248
MH
3036 case HCI_EV_EXTENDED_INQUIRY_RESULT:
3037 hci_extended_inquiry_result_evt(hdev, skb);
3038 break;
1da177e4 3039
0493684e
MH
3040 case HCI_EV_IO_CAPA_REQUEST:
3041 hci_io_capa_request_evt(hdev, skb);
3042 break;
3043
03b555e1
JH
3044 case HCI_EV_IO_CAPA_REPLY:
3045 hci_io_capa_reply_evt(hdev, skb);
3046 break;
3047
a5c29683
JH
3048 case HCI_EV_USER_CONFIRM_REQUEST:
3049 hci_user_confirm_request_evt(hdev, skb);
3050 break;
3051
0493684e
MH
3052 case HCI_EV_SIMPLE_PAIR_COMPLETE:
3053 hci_simple_pair_complete_evt(hdev, skb);
3054 break;
3055
41a96212
MH
3056 case HCI_EV_REMOTE_HOST_FEATURES:
3057 hci_remote_host_features_evt(hdev, skb);
3058 break;
3059
fcd89c09
VT
3060 case HCI_EV_LE_META:
3061 hci_le_meta_evt(hdev, skb);
3062 break;
3063
2763eda6
SJ
3064 case HCI_EV_REMOTE_OOB_DATA_REQUEST:
3065 hci_remote_oob_data_request_evt(hdev, skb);
3066 break;
3067
a9de9248
MH
3068 default:
3069 BT_DBG("%s event 0x%x", hdev->name, event);
1da177e4
LT
3070 break;
3071 }
3072
3073 kfree_skb(skb);
3074 hdev->stat.evt_rx++;
3075}
3076
3077/* Generate internal stack event */
3078void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
3079{
3080 struct hci_event_hdr *hdr;
3081 struct hci_ev_stack_internal *ev;
3082 struct sk_buff *skb;
3083
3084 skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
3085 if (!skb)
3086 return;
3087
3088 hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
3089 hdr->evt = HCI_EV_STACK_INTERNAL;
3090 hdr->plen = sizeof(*ev) + dlen;
3091
3092 ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
3093 ev->type = type;
3094 memcpy(ev->data, data, dlen);
3095
576c7d85 3096 bt_cb(skb)->incoming = 1;
a61bbcf2 3097 __net_timestamp(skb);
576c7d85 3098
0d48d939 3099 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
1da177e4 3100 skb->dev = (void *) hdev;
eec8d2bc 3101 hci_send_to_sock(hdev, skb, NULL);
1da177e4
LT
3102 kfree_skb(skb);
3103}
e6100a25
AG
3104
3105module_param(enable_le, bool, 0444);
3106MODULE_PARM_DESC(enable_le, "Enable LE support");