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Bluetooth: mgmt: Add legacy pairing info to dev_found events
[deliverable/linux.git] / net / bluetooth / mgmt.c
1 /*
2 BlueZ - Bluetooth protocol stack for Linux
3
4 Copyright (C) 2010 Nokia Corporation
5 Copyright (C) 2011-2012 Intel Corporation
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
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
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23 */
24
25 /* Bluetooth HCI Management interface */
26
27 #include <linux/kernel.h>
28 #include <linux/uaccess.h>
29 #include <linux/module.h>
30 #include <asm/unaligned.h>
31
32 #include <net/bluetooth/bluetooth.h>
33 #include <net/bluetooth/hci_core.h>
34 #include <net/bluetooth/mgmt.h>
35 #include <net/bluetooth/smp.h>
36
37 bool enable_hs;
38 bool enable_le;
39
40 #define MGMT_VERSION 1
41 #define MGMT_REVISION 0
42
43 static const u16 mgmt_commands[] = {
44 MGMT_OP_READ_INDEX_LIST,
45 MGMT_OP_READ_INFO,
46 MGMT_OP_SET_POWERED,
47 MGMT_OP_SET_DISCOVERABLE,
48 MGMT_OP_SET_CONNECTABLE,
49 MGMT_OP_SET_FAST_CONNECTABLE,
50 MGMT_OP_SET_PAIRABLE,
51 MGMT_OP_SET_LINK_SECURITY,
52 MGMT_OP_SET_SSP,
53 MGMT_OP_SET_HS,
54 MGMT_OP_SET_LE,
55 MGMT_OP_SET_DEV_CLASS,
56 MGMT_OP_SET_LOCAL_NAME,
57 MGMT_OP_ADD_UUID,
58 MGMT_OP_REMOVE_UUID,
59 MGMT_OP_LOAD_LINK_KEYS,
60 MGMT_OP_LOAD_LONG_TERM_KEYS,
61 MGMT_OP_DISCONNECT,
62 MGMT_OP_GET_CONNECTIONS,
63 MGMT_OP_PIN_CODE_REPLY,
64 MGMT_OP_PIN_CODE_NEG_REPLY,
65 MGMT_OP_SET_IO_CAPABILITY,
66 MGMT_OP_PAIR_DEVICE,
67 MGMT_OP_CANCEL_PAIR_DEVICE,
68 MGMT_OP_UNPAIR_DEVICE,
69 MGMT_OP_USER_CONFIRM_REPLY,
70 MGMT_OP_USER_CONFIRM_NEG_REPLY,
71 MGMT_OP_USER_PASSKEY_REPLY,
72 MGMT_OP_USER_PASSKEY_NEG_REPLY,
73 MGMT_OP_READ_LOCAL_OOB_DATA,
74 MGMT_OP_ADD_REMOTE_OOB_DATA,
75 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
76 MGMT_OP_START_DISCOVERY,
77 MGMT_OP_STOP_DISCOVERY,
78 MGMT_OP_CONFIRM_NAME,
79 MGMT_OP_BLOCK_DEVICE,
80 MGMT_OP_UNBLOCK_DEVICE,
81 };
82
83 static const u16 mgmt_events[] = {
84 MGMT_EV_CONTROLLER_ERROR,
85 MGMT_EV_INDEX_ADDED,
86 MGMT_EV_INDEX_REMOVED,
87 MGMT_EV_NEW_SETTINGS,
88 MGMT_EV_CLASS_OF_DEV_CHANGED,
89 MGMT_EV_LOCAL_NAME_CHANGED,
90 MGMT_EV_NEW_LINK_KEY,
91 MGMT_EV_NEW_LONG_TERM_KEY,
92 MGMT_EV_DEVICE_CONNECTED,
93 MGMT_EV_DEVICE_DISCONNECTED,
94 MGMT_EV_CONNECT_FAILED,
95 MGMT_EV_PIN_CODE_REQUEST,
96 MGMT_EV_USER_CONFIRM_REQUEST,
97 MGMT_EV_USER_PASSKEY_REQUEST,
98 MGMT_EV_AUTH_FAILED,
99 MGMT_EV_DEVICE_FOUND,
100 MGMT_EV_DISCOVERING,
101 MGMT_EV_DEVICE_BLOCKED,
102 MGMT_EV_DEVICE_UNBLOCKED,
103 MGMT_EV_DEVICE_UNPAIRED,
104 };
105
106 /*
107 * These LE scan and inquiry parameters were chosen according to LE General
108 * Discovery Procedure specification.
109 */
110 #define LE_SCAN_TYPE 0x01
111 #define LE_SCAN_WIN 0x12
112 #define LE_SCAN_INT 0x12
113 #define LE_SCAN_TIMEOUT_LE_ONLY 10240 /* TGAP(gen_disc_scan_min) */
114 #define LE_SCAN_TIMEOUT_BREDR_LE 5120 /* TGAP(100)/2 */
115
116 #define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */
117 #define INQUIRY_LEN_BREDR_LE 0x04 /* TGAP(100)/2 */
118
119 #define SERVICE_CACHE_TIMEOUT (5 * 1000)
120
121 #define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \
122 !test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
123
124 struct pending_cmd {
125 struct list_head list;
126 u16 opcode;
127 int index;
128 void *param;
129 struct sock *sk;
130 void *user_data;
131 };
132
133 /* HCI to MGMT error code conversion table */
134 static u8 mgmt_status_table[] = {
135 MGMT_STATUS_SUCCESS,
136 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
137 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
138 MGMT_STATUS_FAILED, /* Hardware Failure */
139 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
140 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
141 MGMT_STATUS_NOT_PAIRED, /* PIN or Key Missing */
142 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
143 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
144 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
145 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
146 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
147 MGMT_STATUS_BUSY, /* Command Disallowed */
148 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
149 MGMT_STATUS_REJECTED, /* Rejected Security */
150 MGMT_STATUS_REJECTED, /* Rejected Personal */
151 MGMT_STATUS_TIMEOUT, /* Host Timeout */
152 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
153 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
154 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
155 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
156 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
157 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
158 MGMT_STATUS_BUSY, /* Repeated Attempts */
159 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
160 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
161 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
162 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
163 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
164 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
165 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
166 MGMT_STATUS_FAILED, /* Unspecified Error */
167 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
168 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
169 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
170 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
171 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
172 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
173 MGMT_STATUS_FAILED, /* Unit Link Key Used */
174 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
175 MGMT_STATUS_TIMEOUT, /* Instant Passed */
176 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
177 MGMT_STATUS_FAILED, /* Transaction Collision */
178 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
179 MGMT_STATUS_REJECTED, /* QoS Rejected */
180 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
181 MGMT_STATUS_REJECTED, /* Insufficient Security */
182 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
183 MGMT_STATUS_BUSY, /* Role Switch Pending */
184 MGMT_STATUS_FAILED, /* Slot Violation */
185 MGMT_STATUS_FAILED, /* Role Switch Failed */
186 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
187 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
188 MGMT_STATUS_BUSY, /* Host Busy Pairing */
189 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
190 MGMT_STATUS_BUSY, /* Controller Busy */
191 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
192 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
193 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
194 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
195 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
196 };
197
198 static u8 mgmt_status(u8 hci_status)
199 {
200 if (hci_status < ARRAY_SIZE(mgmt_status_table))
201 return mgmt_status_table[hci_status];
202
203 return MGMT_STATUS_FAILED;
204 }
205
206 static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
207 {
208 struct sk_buff *skb;
209 struct mgmt_hdr *hdr;
210 struct mgmt_ev_cmd_status *ev;
211 int err;
212
213 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
214
215 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC);
216 if (!skb)
217 return -ENOMEM;
218
219 hdr = (void *) skb_put(skb, sizeof(*hdr));
220
221 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
222 hdr->index = cpu_to_le16(index);
223 hdr->len = cpu_to_le16(sizeof(*ev));
224
225 ev = (void *) skb_put(skb, sizeof(*ev));
226 ev->status = status;
227 put_unaligned_le16(cmd, &ev->opcode);
228
229 err = sock_queue_rcv_skb(sk, skb);
230 if (err < 0)
231 kfree_skb(skb);
232
233 return err;
234 }
235
236 static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
237 void *rp, size_t rp_len)
238 {
239 struct sk_buff *skb;
240 struct mgmt_hdr *hdr;
241 struct mgmt_ev_cmd_complete *ev;
242 int err;
243
244 BT_DBG("sock %p", sk);
245
246 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC);
247 if (!skb)
248 return -ENOMEM;
249
250 hdr = (void *) skb_put(skb, sizeof(*hdr));
251
252 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
253 hdr->index = cpu_to_le16(index);
254 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
255
256 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
257 put_unaligned_le16(cmd, &ev->opcode);
258 ev->status = status;
259
260 if (rp)
261 memcpy(ev->data, rp, rp_len);
262
263 err = sock_queue_rcv_skb(sk, skb);
264 if (err < 0)
265 kfree_skb(skb);
266
267 return err;
268 }
269
270 static int read_version(struct sock *sk)
271 {
272 struct mgmt_rp_read_version rp;
273
274 BT_DBG("sock %p", sk);
275
276 rp.version = MGMT_VERSION;
277 put_unaligned_le16(MGMT_REVISION, &rp.revision);
278
279 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
280 sizeof(rp));
281 }
282
283 static int read_commands(struct sock *sk)
284 {
285 struct mgmt_rp_read_commands *rp;
286 u16 num_commands = ARRAY_SIZE(mgmt_commands);
287 u16 num_events = ARRAY_SIZE(mgmt_events);
288 u16 *opcode;
289 size_t rp_size;
290 int i, err;
291
292 BT_DBG("sock %p", sk);
293
294 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
295
296 rp = kmalloc(rp_size, GFP_KERNEL);
297 if (!rp)
298 return -ENOMEM;
299
300 put_unaligned_le16(num_commands, &rp->num_commands);
301 put_unaligned_le16(num_events, &rp->num_events);
302
303 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
304 put_unaligned_le16(mgmt_commands[i], opcode);
305
306 for (i = 0; i < num_events; i++, opcode++)
307 put_unaligned_le16(mgmt_events[i], opcode);
308
309 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
310 rp_size);
311 kfree(rp);
312
313 return err;
314 }
315
316 static int read_index_list(struct sock *sk)
317 {
318 struct mgmt_rp_read_index_list *rp;
319 struct list_head *p;
320 struct hci_dev *d;
321 size_t rp_len;
322 u16 count;
323 int i, err;
324
325 BT_DBG("sock %p", sk);
326
327 read_lock(&hci_dev_list_lock);
328
329 count = 0;
330 list_for_each(p, &hci_dev_list) {
331 count++;
332 }
333
334 rp_len = sizeof(*rp) + (2 * count);
335 rp = kmalloc(rp_len, GFP_ATOMIC);
336 if (!rp) {
337 read_unlock(&hci_dev_list_lock);
338 return -ENOMEM;
339 }
340
341 put_unaligned_le16(count, &rp->num_controllers);
342
343 i = 0;
344 list_for_each_entry(d, &hci_dev_list, list) {
345 if (test_bit(HCI_SETUP, &d->dev_flags))
346 continue;
347
348 put_unaligned_le16(d->id, &rp->index[i++]);
349 BT_DBG("Added hci%u", d->id);
350 }
351
352 read_unlock(&hci_dev_list_lock);
353
354 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
355 rp_len);
356
357 kfree(rp);
358
359 return err;
360 }
361
362 static u32 get_supported_settings(struct hci_dev *hdev)
363 {
364 u32 settings = 0;
365
366 settings |= MGMT_SETTING_POWERED;
367 settings |= MGMT_SETTING_CONNECTABLE;
368 settings |= MGMT_SETTING_FAST_CONNECTABLE;
369 settings |= MGMT_SETTING_DISCOVERABLE;
370 settings |= MGMT_SETTING_PAIRABLE;
371
372 if (hdev->features[6] & LMP_SIMPLE_PAIR)
373 settings |= MGMT_SETTING_SSP;
374
375 if (!(hdev->features[4] & LMP_NO_BREDR)) {
376 settings |= MGMT_SETTING_BREDR;
377 settings |= MGMT_SETTING_LINK_SECURITY;
378 }
379
380 if (enable_hs)
381 settings |= MGMT_SETTING_HS;
382
383 if (enable_le) {
384 if (hdev->features[4] & LMP_LE)
385 settings |= MGMT_SETTING_LE;
386 }
387
388 return settings;
389 }
390
391 static u32 get_current_settings(struct hci_dev *hdev)
392 {
393 u32 settings = 0;
394
395 if (hdev_is_powered(hdev))
396 settings |= MGMT_SETTING_POWERED;
397
398 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
399 settings |= MGMT_SETTING_CONNECTABLE;
400
401 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
402 settings |= MGMT_SETTING_DISCOVERABLE;
403
404 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags))
405 settings |= MGMT_SETTING_PAIRABLE;
406
407 if (!(hdev->features[4] & LMP_NO_BREDR))
408 settings |= MGMT_SETTING_BREDR;
409
410 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
411 settings |= MGMT_SETTING_LE;
412
413 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
414 settings |= MGMT_SETTING_LINK_SECURITY;
415
416 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
417 settings |= MGMT_SETTING_SSP;
418
419 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
420 settings |= MGMT_SETTING_HS;
421
422 return settings;
423 }
424
425 #define PNP_INFO_SVCLASS_ID 0x1200
426
427 static u8 bluetooth_base_uuid[] = {
428 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
429 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
430 };
431
432 static u16 get_uuid16(u8 *uuid128)
433 {
434 u32 val;
435 int i;
436
437 for (i = 0; i < 12; i++) {
438 if (bluetooth_base_uuid[i] != uuid128[i])
439 return 0;
440 }
441
442 memcpy(&val, &uuid128[12], 4);
443
444 val = le32_to_cpu(val);
445 if (val > 0xffff)
446 return 0;
447
448 return (u16) val;
449 }
450
451 static void create_eir(struct hci_dev *hdev, u8 *data)
452 {
453 u8 *ptr = data;
454 u16 eir_len = 0;
455 u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)];
456 int i, truncated = 0;
457 struct bt_uuid *uuid;
458 size_t name_len;
459
460 name_len = strlen(hdev->dev_name);
461
462 if (name_len > 0) {
463 /* EIR Data type */
464 if (name_len > 48) {
465 name_len = 48;
466 ptr[1] = EIR_NAME_SHORT;
467 } else
468 ptr[1] = EIR_NAME_COMPLETE;
469
470 /* EIR Data length */
471 ptr[0] = name_len + 1;
472
473 memcpy(ptr + 2, hdev->dev_name, name_len);
474
475 eir_len += (name_len + 2);
476 ptr += (name_len + 2);
477 }
478
479 memset(uuid16_list, 0, sizeof(uuid16_list));
480
481 /* Group all UUID16 types */
482 list_for_each_entry(uuid, &hdev->uuids, list) {
483 u16 uuid16;
484
485 uuid16 = get_uuid16(uuid->uuid);
486 if (uuid16 == 0)
487 return;
488
489 if (uuid16 < 0x1100)
490 continue;
491
492 if (uuid16 == PNP_INFO_SVCLASS_ID)
493 continue;
494
495 /* Stop if not enough space to put next UUID */
496 if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) {
497 truncated = 1;
498 break;
499 }
500
501 /* Check for duplicates */
502 for (i = 0; uuid16_list[i] != 0; i++)
503 if (uuid16_list[i] == uuid16)
504 break;
505
506 if (uuid16_list[i] == 0) {
507 uuid16_list[i] = uuid16;
508 eir_len += sizeof(u16);
509 }
510 }
511
512 if (uuid16_list[0] != 0) {
513 u8 *length = ptr;
514
515 /* EIR Data type */
516 ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL;
517
518 ptr += 2;
519 eir_len += 2;
520
521 for (i = 0; uuid16_list[i] != 0; i++) {
522 *ptr++ = (uuid16_list[i] & 0x00ff);
523 *ptr++ = (uuid16_list[i] & 0xff00) >> 8;
524 }
525
526 /* EIR Data length */
527 *length = (i * sizeof(u16)) + 1;
528 }
529 }
530
531 static int update_eir(struct hci_dev *hdev)
532 {
533 struct hci_cp_write_eir cp;
534
535 if (!test_bit(HCI_UP, &hdev->flags))
536 return 0;
537
538 if (!(hdev->features[6] & LMP_EXT_INQ))
539 return 0;
540
541 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
542 return 0;
543
544 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
545 return 0;
546
547 memset(&cp, 0, sizeof(cp));
548
549 create_eir(hdev, cp.data);
550
551 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
552 return 0;
553
554 memcpy(hdev->eir, cp.data, sizeof(cp.data));
555
556 return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
557 }
558
559 static u8 get_service_classes(struct hci_dev *hdev)
560 {
561 struct bt_uuid *uuid;
562 u8 val = 0;
563
564 list_for_each_entry(uuid, &hdev->uuids, list)
565 val |= uuid->svc_hint;
566
567 return val;
568 }
569
570 static int update_class(struct hci_dev *hdev)
571 {
572 u8 cod[3];
573
574 BT_DBG("%s", hdev->name);
575
576 if (!test_bit(HCI_UP, &hdev->flags))
577 return 0;
578
579 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
580 return 0;
581
582 cod[0] = hdev->minor_class;
583 cod[1] = hdev->major_class;
584 cod[2] = get_service_classes(hdev);
585
586 if (memcmp(cod, hdev->dev_class, 3) == 0)
587 return 0;
588
589 return hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
590 }
591
592 static void service_cache_off(struct work_struct *work)
593 {
594 struct hci_dev *hdev = container_of(work, struct hci_dev,
595 service_cache.work);
596
597 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
598 return;
599
600 hci_dev_lock(hdev);
601
602 update_eir(hdev);
603 update_class(hdev);
604
605 hci_dev_unlock(hdev);
606 }
607
608 static void mgmt_init_hdev(struct hci_dev *hdev)
609 {
610 if (!test_and_set_bit(HCI_MGMT, &hdev->dev_flags)) {
611 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
612
613 /* Non-mgmt controlled devices get this bit set
614 * implicitly so that pairing works for them, however
615 * for mgmt we require user-space to explicitly enable
616 * it
617 */
618 clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
619 }
620
621 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
622 schedule_delayed_work(&hdev->service_cache,
623 msecs_to_jiffies(SERVICE_CACHE_TIMEOUT));
624 }
625
626 static int read_controller_info(struct sock *sk, u16 index)
627 {
628 struct mgmt_rp_read_info rp;
629 struct hci_dev *hdev;
630
631 BT_DBG("sock %p hci%u", sk, index);
632
633 hdev = hci_dev_get(index);
634 if (!hdev)
635 return cmd_status(sk, index, MGMT_OP_READ_INFO,
636 MGMT_STATUS_INVALID_PARAMS);
637
638 hci_dev_lock(hdev);
639
640 if (test_and_clear_bit(HCI_PI_MGMT_INIT, &hci_pi(sk)->flags))
641 mgmt_init_hdev(hdev);
642
643 memset(&rp, 0, sizeof(rp));
644
645 bacpy(&rp.bdaddr, &hdev->bdaddr);
646
647 rp.version = hdev->hci_ver;
648
649 put_unaligned_le16(hdev->manufacturer, &rp.manufacturer);
650
651 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
652 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
653
654 memcpy(rp.dev_class, hdev->dev_class, 3);
655
656 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
657 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
658
659 hci_dev_unlock(hdev);
660 hci_dev_put(hdev);
661
662 return cmd_complete(sk, index, MGMT_OP_READ_INFO, 0, &rp, sizeof(rp));
663 }
664
665 static void mgmt_pending_free(struct pending_cmd *cmd)
666 {
667 sock_put(cmd->sk);
668 kfree(cmd->param);
669 kfree(cmd);
670 }
671
672 static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
673 struct hci_dev *hdev,
674 void *data, u16 len)
675 {
676 struct pending_cmd *cmd;
677
678 cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
679 if (!cmd)
680 return NULL;
681
682 cmd->opcode = opcode;
683 cmd->index = hdev->id;
684
685 cmd->param = kmalloc(len, GFP_ATOMIC);
686 if (!cmd->param) {
687 kfree(cmd);
688 return NULL;
689 }
690
691 if (data)
692 memcpy(cmd->param, data, len);
693
694 cmd->sk = sk;
695 sock_hold(sk);
696
697 list_add(&cmd->list, &hdev->mgmt_pending);
698
699 return cmd;
700 }
701
702 static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
703 void (*cb)(struct pending_cmd *cmd, void *data),
704 void *data)
705 {
706 struct list_head *p, *n;
707
708 list_for_each_safe(p, n, &hdev->mgmt_pending) {
709 struct pending_cmd *cmd;
710
711 cmd = list_entry(p, struct pending_cmd, list);
712
713 if (opcode > 0 && cmd->opcode != opcode)
714 continue;
715
716 cb(cmd, data);
717 }
718 }
719
720 static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
721 {
722 struct pending_cmd *cmd;
723
724 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
725 if (cmd->opcode == opcode)
726 return cmd;
727 }
728
729 return NULL;
730 }
731
732 static void mgmt_pending_remove(struct pending_cmd *cmd)
733 {
734 list_del(&cmd->list);
735 mgmt_pending_free(cmd);
736 }
737
738 static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
739 {
740 __le32 settings = cpu_to_le32(get_current_settings(hdev));
741
742 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
743 sizeof(settings));
744 }
745
746 static int set_powered(struct sock *sk, u16 index, void *data, u16 len)
747 {
748 struct mgmt_mode *cp = data;
749 struct hci_dev *hdev;
750 struct pending_cmd *cmd;
751 int err;
752
753 BT_DBG("request for hci%u", index);
754
755 if (len != sizeof(*cp))
756 return cmd_status(sk, index, MGMT_OP_SET_POWERED,
757 MGMT_STATUS_INVALID_PARAMS);
758
759 hdev = hci_dev_get(index);
760 if (!hdev)
761 return cmd_status(sk, index, MGMT_OP_SET_POWERED,
762 MGMT_STATUS_INVALID_PARAMS);
763
764 hci_dev_lock(hdev);
765
766 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
767 cancel_delayed_work(&hdev->power_off);
768
769 if (cp->val) {
770 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
771 mgmt_powered(hdev, 1);
772 goto failed;
773 }
774 }
775
776 if (!!cp->val == hdev_is_powered(hdev)) {
777 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
778 goto failed;
779 }
780
781 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
782 err = cmd_status(sk, index, MGMT_OP_SET_POWERED,
783 MGMT_STATUS_BUSY);
784 goto failed;
785 }
786
787 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
788 if (!cmd) {
789 err = -ENOMEM;
790 goto failed;
791 }
792
793 if (cp->val)
794 schedule_work(&hdev->power_on);
795 else
796 schedule_work(&hdev->power_off.work);
797
798 err = 0;
799
800 failed:
801 hci_dev_unlock(hdev);
802 hci_dev_put(hdev);
803 return err;
804 }
805
806 static int mgmt_event(u16 event, struct hci_dev *hdev, void *data,
807 u16 data_len, struct sock *skip_sk)
808 {
809 struct sk_buff *skb;
810 struct mgmt_hdr *hdr;
811
812 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC);
813 if (!skb)
814 return -ENOMEM;
815
816 hdr = (void *) skb_put(skb, sizeof(*hdr));
817 hdr->opcode = cpu_to_le16(event);
818 if (hdev)
819 hdr->index = cpu_to_le16(hdev->id);
820 else
821 hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
822 hdr->len = cpu_to_le16(data_len);
823
824 if (data)
825 memcpy(skb_put(skb, data_len), data, data_len);
826
827 /* Time stamp */
828 __net_timestamp(skb);
829
830 hci_send_to_control(skb, skip_sk);
831 kfree_skb(skb);
832
833 return 0;
834 }
835
836 static int new_settings(struct hci_dev *hdev, struct sock *skip)
837 {
838 __le32 ev;
839
840 ev = cpu_to_le32(get_current_settings(hdev));
841
842 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
843 }
844
845 static int set_discoverable(struct sock *sk, u16 index, void *data, u16 len)
846 {
847 struct mgmt_cp_set_discoverable *cp = data;
848 struct hci_dev *hdev;
849 struct pending_cmd *cmd;
850 u16 timeout;
851 u8 scan;
852 int err;
853
854 BT_DBG("request for hci%u", index);
855
856 if (len != sizeof(*cp))
857 return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE,
858 MGMT_STATUS_INVALID_PARAMS);
859
860 timeout = get_unaligned_le16(&cp->timeout);
861 if (!cp->val && timeout > 0)
862 return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE,
863 MGMT_STATUS_INVALID_PARAMS);
864
865 hdev = hci_dev_get(index);
866 if (!hdev)
867 return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE,
868 MGMT_STATUS_INVALID_PARAMS);
869
870 hci_dev_lock(hdev);
871
872 if (!hdev_is_powered(hdev) && timeout > 0) {
873 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE,
874 MGMT_STATUS_NOT_POWERED);
875 goto failed;
876 }
877
878 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
879 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
880 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE,
881 MGMT_STATUS_BUSY);
882 goto failed;
883 }
884
885 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
886 err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE,
887 MGMT_STATUS_REJECTED);
888 goto failed;
889 }
890
891 if (!hdev_is_powered(hdev)) {
892 bool changed = false;
893
894 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
895 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
896 changed = true;
897 }
898
899 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
900 if (err < 0)
901 goto failed;
902
903 if (changed)
904 err = new_settings(hdev, sk);
905
906 goto failed;
907 }
908
909 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
910 if (hdev->discov_timeout > 0) {
911 cancel_delayed_work(&hdev->discov_off);
912 hdev->discov_timeout = 0;
913 }
914
915 if (cp->val && timeout > 0) {
916 hdev->discov_timeout = timeout;
917 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
918 msecs_to_jiffies(hdev->discov_timeout * 1000));
919 }
920
921 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
922 goto failed;
923 }
924
925 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
926 if (!cmd) {
927 err = -ENOMEM;
928 goto failed;
929 }
930
931 scan = SCAN_PAGE;
932
933 if (cp->val)
934 scan |= SCAN_INQUIRY;
935 else
936 cancel_delayed_work(&hdev->discov_off);
937
938 err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
939 if (err < 0)
940 mgmt_pending_remove(cmd);
941
942 if (cp->val)
943 hdev->discov_timeout = timeout;
944
945 failed:
946 hci_dev_unlock(hdev);
947 hci_dev_put(hdev);
948
949 return err;
950 }
951
952 static int set_connectable(struct sock *sk, u16 index, void *data, u16 len)
953 {
954 struct mgmt_mode *cp = data;
955 struct hci_dev *hdev;
956 struct pending_cmd *cmd;
957 u8 scan;
958 int err;
959
960 BT_DBG("request for hci%u", index);
961
962 if (len != sizeof(*cp))
963 return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE,
964 MGMT_STATUS_INVALID_PARAMS);
965
966 hdev = hci_dev_get(index);
967 if (!hdev)
968 return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE,
969 MGMT_STATUS_INVALID_PARAMS);
970
971 hci_dev_lock(hdev);
972
973 if (!hdev_is_powered(hdev)) {
974 bool changed = false;
975
976 if (!!cp->val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
977 changed = true;
978
979 if (cp->val) {
980 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
981 } else {
982 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
983 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
984 }
985
986 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
987 if (err < 0)
988 goto failed;
989
990 if (changed)
991 err = new_settings(hdev, sk);
992
993 goto failed;
994 }
995
996 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
997 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
998 err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE,
999 MGMT_STATUS_BUSY);
1000 goto failed;
1001 }
1002
1003 if (!!cp->val == test_bit(HCI_PSCAN, &hdev->flags)) {
1004 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1005 goto failed;
1006 }
1007
1008 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
1009 if (!cmd) {
1010 err = -ENOMEM;
1011 goto failed;
1012 }
1013
1014 if (cp->val) {
1015 scan = SCAN_PAGE;
1016 } else {
1017 scan = 0;
1018
1019 if (test_bit(HCI_ISCAN, &hdev->flags) &&
1020 hdev->discov_timeout > 0)
1021 cancel_delayed_work(&hdev->discov_off);
1022 }
1023
1024 err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1025 if (err < 0)
1026 mgmt_pending_remove(cmd);
1027
1028 failed:
1029 hci_dev_unlock(hdev);
1030 hci_dev_put(hdev);
1031
1032 return err;
1033 }
1034
1035 static int set_pairable(struct sock *sk, u16 index, void *data, u16 len)
1036 {
1037 struct mgmt_mode *cp = data;
1038 struct hci_dev *hdev;
1039 int err;
1040
1041 BT_DBG("request for hci%u", index);
1042
1043 if (len != sizeof(*cp))
1044 return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE,
1045 MGMT_STATUS_INVALID_PARAMS);
1046
1047 hdev = hci_dev_get(index);
1048 if (!hdev)
1049 return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE,
1050 MGMT_STATUS_INVALID_PARAMS);
1051
1052 hci_dev_lock(hdev);
1053
1054 if (cp->val)
1055 set_bit(HCI_PAIRABLE, &hdev->dev_flags);
1056 else
1057 clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
1058
1059 err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev);
1060 if (err < 0)
1061 goto failed;
1062
1063 err = new_settings(hdev, sk);
1064
1065 failed:
1066 hci_dev_unlock(hdev);
1067 hci_dev_put(hdev);
1068
1069 return err;
1070 }
1071
1072 static int set_link_security(struct sock *sk, u16 index, void *data, u16 len)
1073 {
1074 struct mgmt_mode *cp = data;
1075 struct pending_cmd *cmd;
1076 struct hci_dev *hdev;
1077 uint8_t val;
1078 int err;
1079
1080 BT_DBG("request for hci%u", index);
1081
1082 if (len != sizeof(*cp))
1083 return cmd_status(sk, index, MGMT_OP_SET_LINK_SECURITY,
1084 MGMT_STATUS_INVALID_PARAMS);
1085
1086 hdev = hci_dev_get(index);
1087 if (!hdev)
1088 return cmd_status(sk, index, MGMT_OP_SET_LINK_SECURITY,
1089 MGMT_STATUS_INVALID_PARAMS);
1090
1091 hci_dev_lock(hdev);
1092
1093 if (!hdev_is_powered(hdev)) {
1094 bool changed = false;
1095
1096 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
1097 &hdev->dev_flags)) {
1098 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1099 changed = true;
1100 }
1101
1102 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1103 if (err < 0)
1104 goto failed;
1105
1106 if (changed)
1107 err = new_settings(hdev, sk);
1108
1109 goto failed;
1110 }
1111
1112 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
1113 err = cmd_status(sk, index, MGMT_OP_SET_LINK_SECURITY,
1114 MGMT_STATUS_BUSY);
1115 goto failed;
1116 }
1117
1118 val = !!cp->val;
1119
1120 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1121 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1122 goto failed;
1123 }
1124
1125 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1126 if (!cmd) {
1127 err = -ENOMEM;
1128 goto failed;
1129 }
1130
1131 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1132 if (err < 0) {
1133 mgmt_pending_remove(cmd);
1134 goto failed;
1135 }
1136
1137 failed:
1138 hci_dev_unlock(hdev);
1139 hci_dev_put(hdev);
1140
1141 return err;
1142 }
1143
1144 static int set_ssp(struct sock *sk, u16 index, void *data, u16 len)
1145 {
1146 struct mgmt_mode *cp = data;
1147 struct pending_cmd *cmd;
1148 struct hci_dev *hdev;
1149 uint8_t val;
1150 int err;
1151
1152 BT_DBG("request for hci%u", index);
1153
1154 if (len != sizeof(*cp))
1155 return cmd_status(sk, index, MGMT_OP_SET_SSP,
1156 MGMT_STATUS_INVALID_PARAMS);
1157
1158 hdev = hci_dev_get(index);
1159 if (!hdev)
1160 return cmd_status(sk, index, MGMT_OP_SET_SSP,
1161 MGMT_STATUS_INVALID_PARAMS);
1162
1163 hci_dev_lock(hdev);
1164
1165 if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
1166 err = cmd_status(sk, index, MGMT_OP_SET_SSP,
1167 MGMT_STATUS_NOT_SUPPORTED);
1168 goto failed;
1169 }
1170
1171 val = !!cp->val;
1172
1173 if (!hdev_is_powered(hdev)) {
1174 bool changed = false;
1175
1176 if (val != test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
1177 change_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
1178 changed = true;
1179 }
1180
1181 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1182 if (err < 0)
1183 goto failed;
1184
1185 if (changed)
1186 err = new_settings(hdev, sk);
1187
1188 goto failed;
1189 }
1190
1191 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) {
1192 err = cmd_status(sk, index, MGMT_OP_SET_SSP, MGMT_STATUS_BUSY);
1193 goto failed;
1194 }
1195
1196 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) == val) {
1197 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1198 goto failed;
1199 }
1200
1201 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
1202 if (!cmd) {
1203 err = -ENOMEM;
1204 goto failed;
1205 }
1206
1207 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(val), &val);
1208 if (err < 0) {
1209 mgmt_pending_remove(cmd);
1210 goto failed;
1211 }
1212
1213 failed:
1214 hci_dev_unlock(hdev);
1215 hci_dev_put(hdev);
1216
1217 return err;
1218 }
1219
1220 static int set_hs(struct sock *sk, u16 index, void *data, u16 len)
1221 {
1222 struct mgmt_mode *cp = data;
1223 struct hci_dev *hdev;
1224 int err;
1225
1226 BT_DBG("request for hci%u", index);
1227
1228 if (len != sizeof(*cp))
1229 return cmd_status(sk, index, MGMT_OP_SET_HS,
1230 MGMT_STATUS_INVALID_PARAMS);
1231
1232 hdev = hci_dev_get(index);
1233 if (!hdev)
1234 return cmd_status(sk, index, MGMT_OP_SET_HS,
1235 MGMT_STATUS_INVALID_PARAMS);
1236
1237 if (!enable_hs) {
1238 err = cmd_status(sk, index, MGMT_OP_SET_HS,
1239 MGMT_STATUS_NOT_SUPPORTED);
1240 goto failed;
1241 }
1242
1243 if (cp->val)
1244 set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
1245 else
1246 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
1247
1248 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
1249
1250 failed:
1251 hci_dev_put(hdev);
1252 return err;
1253 }
1254
1255 static int set_le(struct sock *sk, u16 index, void *data, u16 len)
1256 {
1257 struct mgmt_mode *cp = data;
1258 struct hci_cp_write_le_host_supported hci_cp;
1259 struct pending_cmd *cmd;
1260 struct hci_dev *hdev;
1261 int err;
1262 u8 val;
1263
1264 BT_DBG("request for hci%u", index);
1265
1266 if (len != sizeof(*cp))
1267 return cmd_status(sk, index, MGMT_OP_SET_LE,
1268 MGMT_STATUS_INVALID_PARAMS);
1269
1270 hdev = hci_dev_get(index);
1271 if (!hdev)
1272 return cmd_status(sk, index, MGMT_OP_SET_LE,
1273 MGMT_STATUS_INVALID_PARAMS);
1274
1275 if (!enable_le || !(hdev->features[4] & LMP_LE)) {
1276 err = cmd_status(sk, index, MGMT_OP_SET_LE,
1277 MGMT_STATUS_NOT_SUPPORTED);
1278 goto failed;
1279 }
1280
1281 val = !!cp->val;
1282
1283 if (!hdev_is_powered(hdev)) {
1284 bool changed = false;
1285
1286 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
1287 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1288 changed = true;
1289 }
1290
1291 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1292 if (err < 0)
1293 goto failed;
1294
1295 if (changed)
1296 err = new_settings(hdev, sk);
1297
1298 goto failed;
1299 }
1300
1301 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
1302 err = cmd_status(sk, index, MGMT_OP_SET_LE, MGMT_STATUS_BUSY);
1303 goto failed;
1304 }
1305
1306 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
1307 if (!cmd) {
1308 err = -ENOMEM;
1309 goto failed;
1310 }
1311
1312 memset(&hci_cp, 0, sizeof(hci_cp));
1313
1314 if (val) {
1315 hci_cp.le = val;
1316 hci_cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
1317 }
1318
1319 err = hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED,
1320 sizeof(hci_cp), &hci_cp);
1321 if (err < 0) {
1322 mgmt_pending_remove(cmd);
1323 goto failed;
1324 }
1325
1326 failed:
1327 hci_dev_put(hdev);
1328 return err;
1329 }
1330
1331 static int add_uuid(struct sock *sk, u16 index, void *data, u16 len)
1332 {
1333 struct mgmt_cp_add_uuid *cp = data;
1334 struct hci_dev *hdev;
1335 struct bt_uuid *uuid;
1336 int err;
1337
1338 BT_DBG("request for hci%u", index);
1339
1340 if (len != sizeof(*cp))
1341 return cmd_status(sk, index, MGMT_OP_ADD_UUID,
1342 MGMT_STATUS_INVALID_PARAMS);
1343
1344 hdev = hci_dev_get(index);
1345 if (!hdev)
1346 return cmd_status(sk, index, MGMT_OP_ADD_UUID,
1347 MGMT_STATUS_INVALID_PARAMS);
1348
1349 hci_dev_lock(hdev);
1350
1351 uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC);
1352 if (!uuid) {
1353 err = -ENOMEM;
1354 goto failed;
1355 }
1356
1357 memcpy(uuid->uuid, cp->uuid, 16);
1358 uuid->svc_hint = cp->svc_hint;
1359
1360 list_add(&uuid->list, &hdev->uuids);
1361
1362 err = update_class(hdev);
1363 if (err < 0)
1364 goto failed;
1365
1366 err = update_eir(hdev);
1367 if (err < 0)
1368 goto failed;
1369
1370 err = cmd_complete(sk, index, MGMT_OP_ADD_UUID, 0, NULL, 0);
1371
1372 failed:
1373 hci_dev_unlock(hdev);
1374 hci_dev_put(hdev);
1375
1376 return err;
1377 }
1378
1379 static int remove_uuid(struct sock *sk, u16 index, void *data, u16 len)
1380 {
1381 struct mgmt_cp_remove_uuid *cp = data;
1382 struct list_head *p, *n;
1383 struct hci_dev *hdev;
1384 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
1385 int err, found;
1386
1387 BT_DBG("request for hci%u", index);
1388
1389 if (len != sizeof(*cp))
1390 return cmd_status(sk, index, MGMT_OP_REMOVE_UUID,
1391 MGMT_STATUS_INVALID_PARAMS);
1392
1393 hdev = hci_dev_get(index);
1394 if (!hdev)
1395 return cmd_status(sk, index, MGMT_OP_REMOVE_UUID,
1396 MGMT_STATUS_INVALID_PARAMS);
1397
1398 hci_dev_lock(hdev);
1399
1400 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
1401 err = hci_uuids_clear(hdev);
1402 goto unlock;
1403 }
1404
1405 found = 0;
1406
1407 list_for_each_safe(p, n, &hdev->uuids) {
1408 struct bt_uuid *match = list_entry(p, struct bt_uuid, list);
1409
1410 if (memcmp(match->uuid, cp->uuid, 16) != 0)
1411 continue;
1412
1413 list_del(&match->list);
1414 found++;
1415 }
1416
1417 if (found == 0) {
1418 err = cmd_status(sk, index, MGMT_OP_REMOVE_UUID,
1419 MGMT_STATUS_INVALID_PARAMS);
1420 goto unlock;
1421 }
1422
1423 err = update_class(hdev);
1424 if (err < 0)
1425 goto unlock;
1426
1427 err = update_eir(hdev);
1428 if (err < 0)
1429 goto unlock;
1430
1431 err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, 0, NULL, 0);
1432
1433 unlock:
1434 hci_dev_unlock(hdev);
1435 hci_dev_put(hdev);
1436
1437 return err;
1438 }
1439
1440 static int set_dev_class(struct sock *sk, u16 index, void *data, u16 len)
1441 {
1442 struct hci_dev *hdev;
1443 struct mgmt_cp_set_dev_class *cp = data;
1444 int err;
1445
1446 BT_DBG("request for hci%u", index);
1447
1448 if (len != sizeof(*cp))
1449 return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS,
1450 MGMT_STATUS_INVALID_PARAMS);
1451
1452 hdev = hci_dev_get(index);
1453 if (!hdev)
1454 return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS,
1455 MGMT_STATUS_INVALID_PARAMS);
1456
1457 hci_dev_lock(hdev);
1458
1459 hdev->major_class = cp->major;
1460 hdev->minor_class = cp->minor;
1461
1462 if (!hdev_is_powered(hdev)) {
1463 err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, 0,
1464 hdev->dev_class, 3);
1465 goto unlock;
1466 }
1467
1468 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
1469 hci_dev_unlock(hdev);
1470 cancel_delayed_work_sync(&hdev->service_cache);
1471 hci_dev_lock(hdev);
1472 update_eir(hdev);
1473 }
1474
1475 err = update_class(hdev);
1476
1477 if (err == 0)
1478 err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, 0,
1479 hdev->dev_class, 3);
1480
1481 unlock:
1482 hci_dev_unlock(hdev);
1483 hci_dev_put(hdev);
1484
1485 return err;
1486 }
1487
1488 static int load_link_keys(struct sock *sk, u16 index, void *data, u16 len)
1489 {
1490 struct hci_dev *hdev;
1491 struct mgmt_cp_load_link_keys *cp = data;
1492 u16 key_count, expected_len;
1493 int i;
1494
1495 if (len < sizeof(*cp))
1496 return cmd_status(sk, index, MGMT_OP_LOAD_LINK_KEYS,
1497 MGMT_STATUS_INVALID_PARAMS);
1498
1499 key_count = get_unaligned_le16(&cp->key_count);
1500
1501 expected_len = sizeof(*cp) + key_count *
1502 sizeof(struct mgmt_link_key_info);
1503 if (expected_len != len) {
1504 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
1505 len, expected_len);
1506 return cmd_status(sk, index, MGMT_OP_LOAD_LINK_KEYS,
1507 MGMT_STATUS_INVALID_PARAMS);
1508 }
1509
1510 hdev = hci_dev_get(index);
1511 if (!hdev)
1512 return cmd_status(sk, index, MGMT_OP_LOAD_LINK_KEYS,
1513 MGMT_STATUS_INVALID_PARAMS);
1514
1515 BT_DBG("hci%u debug_keys %u key_count %u", index, cp->debug_keys,
1516 key_count);
1517
1518 hci_dev_lock(hdev);
1519
1520 hci_link_keys_clear(hdev);
1521
1522 set_bit(HCI_LINK_KEYS, &hdev->dev_flags);
1523
1524 if (cp->debug_keys)
1525 set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
1526 else
1527 clear_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
1528
1529 for (i = 0; i < key_count; i++) {
1530 struct mgmt_link_key_info *key = &cp->keys[i];
1531
1532 hci_add_link_key(hdev, NULL, 0, &key->addr.bdaddr, key->val,
1533 key->type, key->pin_len);
1534 }
1535
1536 cmd_complete(sk, index, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
1537
1538 hci_dev_unlock(hdev);
1539 hci_dev_put(hdev);
1540
1541 return 0;
1542 }
1543
1544 static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
1545 u8 addr_type, struct sock *skip_sk)
1546 {
1547 struct mgmt_ev_device_unpaired ev;
1548
1549 bacpy(&ev.addr.bdaddr, bdaddr);
1550 ev.addr.type = addr_type;
1551
1552 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
1553 skip_sk);
1554 }
1555
1556 static int unpair_device(struct sock *sk, u16 index, void *data, u16 len)
1557 {
1558 struct hci_dev *hdev;
1559 struct mgmt_cp_unpair_device *cp = data;
1560 struct mgmt_rp_unpair_device rp;
1561 struct hci_cp_disconnect dc;
1562 struct pending_cmd *cmd;
1563 struct hci_conn *conn;
1564 int err;
1565
1566 if (len != sizeof(*cp))
1567 return cmd_status(sk, index, MGMT_OP_UNPAIR_DEVICE,
1568 MGMT_STATUS_INVALID_PARAMS);
1569
1570 hdev = hci_dev_get(index);
1571 if (!hdev)
1572 return cmd_status(sk, index, MGMT_OP_UNPAIR_DEVICE,
1573 MGMT_STATUS_INVALID_PARAMS);
1574
1575 hci_dev_lock(hdev);
1576
1577 memset(&rp, 0, sizeof(rp));
1578 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
1579 rp.addr.type = cp->addr.type;
1580
1581 if (!hdev_is_powered(hdev)) {
1582 err = cmd_complete(sk, index, MGMT_OP_UNPAIR_DEVICE,
1583 MGMT_STATUS_NOT_POWERED,
1584 &rp, sizeof(rp));
1585 goto unlock;
1586 }
1587
1588 if (cp->addr.type == MGMT_ADDR_BREDR)
1589 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
1590 else
1591 err = hci_remove_ltk(hdev, &cp->addr.bdaddr);
1592
1593 if (err < 0) {
1594 err = cmd_complete(sk, index, MGMT_OP_UNPAIR_DEVICE,
1595 MGMT_STATUS_NOT_PAIRED,
1596 &rp, sizeof(rp));
1597 goto unlock;
1598 }
1599
1600 if (cp->disconnect) {
1601 if (cp->addr.type == MGMT_ADDR_BREDR)
1602 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
1603 &cp->addr.bdaddr);
1604 else
1605 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
1606 &cp->addr.bdaddr);
1607 } else {
1608 conn = NULL;
1609 }
1610
1611 if (!conn) {
1612 err = cmd_complete(sk, index, MGMT_OP_UNPAIR_DEVICE, 0,
1613 &rp, sizeof(rp));
1614 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
1615 goto unlock;
1616 }
1617
1618 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
1619 sizeof(*cp));
1620 if (!cmd) {
1621 err = -ENOMEM;
1622 goto unlock;
1623 }
1624
1625 put_unaligned_le16(conn->handle, &dc.handle);
1626 dc.reason = 0x13; /* Remote User Terminated Connection */
1627 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1628 if (err < 0)
1629 mgmt_pending_remove(cmd);
1630
1631 unlock:
1632 hci_dev_unlock(hdev);
1633 hci_dev_put(hdev);
1634
1635 return err;
1636 }
1637
1638 static int disconnect(struct sock *sk, u16 index, void *data, u16 len)
1639 {
1640 struct hci_dev *hdev;
1641 struct mgmt_cp_disconnect *cp = data;
1642 struct hci_cp_disconnect dc;
1643 struct pending_cmd *cmd;
1644 struct hci_conn *conn;
1645 int err;
1646
1647 BT_DBG("");
1648
1649 if (len != sizeof(*cp))
1650 return cmd_status(sk, index, MGMT_OP_DISCONNECT,
1651 MGMT_STATUS_INVALID_PARAMS);
1652
1653 hdev = hci_dev_get(index);
1654 if (!hdev)
1655 return cmd_status(sk, index, MGMT_OP_DISCONNECT,
1656 MGMT_STATUS_INVALID_PARAMS);
1657
1658 hci_dev_lock(hdev);
1659
1660 if (!test_bit(HCI_UP, &hdev->flags)) {
1661 err = cmd_status(sk, index, MGMT_OP_DISCONNECT,
1662 MGMT_STATUS_NOT_POWERED);
1663 goto failed;
1664 }
1665
1666 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
1667 err = cmd_status(sk, index, MGMT_OP_DISCONNECT,
1668 MGMT_STATUS_BUSY);
1669 goto failed;
1670 }
1671
1672 if (cp->addr.type == MGMT_ADDR_BREDR)
1673 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
1674 else
1675 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
1676
1677 if (!conn) {
1678 err = cmd_status(sk, index, MGMT_OP_DISCONNECT,
1679 MGMT_STATUS_NOT_CONNECTED);
1680 goto failed;
1681 }
1682
1683 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
1684 if (!cmd) {
1685 err = -ENOMEM;
1686 goto failed;
1687 }
1688
1689 put_unaligned_le16(conn->handle, &dc.handle);
1690 dc.reason = 0x13; /* Remote User Terminated Connection */
1691
1692 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1693 if (err < 0)
1694 mgmt_pending_remove(cmd);
1695
1696 failed:
1697 hci_dev_unlock(hdev);
1698 hci_dev_put(hdev);
1699
1700 return err;
1701 }
1702
1703 static u8 link_to_mgmt(u8 link_type, u8 addr_type)
1704 {
1705 switch (link_type) {
1706 case LE_LINK:
1707 switch (addr_type) {
1708 case ADDR_LE_DEV_PUBLIC:
1709 return MGMT_ADDR_LE_PUBLIC;
1710 case ADDR_LE_DEV_RANDOM:
1711 return MGMT_ADDR_LE_RANDOM;
1712 default:
1713 return MGMT_ADDR_INVALID;
1714 }
1715 case ACL_LINK:
1716 return MGMT_ADDR_BREDR;
1717 default:
1718 return MGMT_ADDR_INVALID;
1719 }
1720 }
1721
1722 static int get_connections(struct sock *sk, u16 index)
1723 {
1724 struct mgmt_rp_get_connections *rp;
1725 struct hci_dev *hdev;
1726 struct hci_conn *c;
1727 size_t rp_len;
1728 u16 count;
1729 int i, err;
1730
1731 BT_DBG("");
1732
1733 hdev = hci_dev_get(index);
1734 if (!hdev)
1735 return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS,
1736 MGMT_STATUS_INVALID_PARAMS);
1737
1738 hci_dev_lock(hdev);
1739
1740 if (!hdev_is_powered(hdev)) {
1741 err = cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS,
1742 MGMT_STATUS_NOT_POWERED);
1743 goto unlock;
1744 }
1745
1746 count = 0;
1747 list_for_each_entry(c, &hdev->conn_hash.list, list) {
1748 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
1749 count++;
1750 }
1751
1752 rp_len = sizeof(*rp) + (count * sizeof(struct mgmt_addr_info));
1753 rp = kmalloc(rp_len, GFP_ATOMIC);
1754 if (!rp) {
1755 err = -ENOMEM;
1756 goto unlock;
1757 }
1758
1759 put_unaligned_le16(count, &rp->conn_count);
1760
1761 i = 0;
1762 list_for_each_entry(c, &hdev->conn_hash.list, list) {
1763 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
1764 continue;
1765 bacpy(&rp->addr[i].bdaddr, &c->dst);
1766 rp->addr[i].type = link_to_mgmt(c->type, c->dst_type);
1767 if (rp->addr[i].type == MGMT_ADDR_INVALID)
1768 continue;
1769 i++;
1770 }
1771
1772 /* Recalculate length in case of filtered SCO connections, etc */
1773 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
1774
1775 err = cmd_complete(sk, index, MGMT_OP_GET_CONNECTIONS, 0, rp, rp_len);
1776
1777 kfree(rp);
1778
1779 unlock:
1780 hci_dev_unlock(hdev);
1781 hci_dev_put(hdev);
1782 return err;
1783 }
1784
1785 static int send_pin_code_neg_reply(struct sock *sk, u16 index,
1786 struct hci_dev *hdev, struct mgmt_cp_pin_code_neg_reply *cp)
1787 {
1788 struct pending_cmd *cmd;
1789 int err;
1790
1791 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
1792 sizeof(*cp));
1793 if (!cmd)
1794 return -ENOMEM;
1795
1796 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
1797 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
1798 if (err < 0)
1799 mgmt_pending_remove(cmd);
1800
1801 return err;
1802 }
1803
1804 static int pin_code_reply(struct sock *sk, u16 index, void *data, u16 len)
1805 {
1806 struct hci_dev *hdev;
1807 struct hci_conn *conn;
1808 struct mgmt_cp_pin_code_reply *cp = data;
1809 struct hci_cp_pin_code_reply reply;
1810 struct pending_cmd *cmd;
1811 int err;
1812
1813 BT_DBG("");
1814
1815 if (len != sizeof(*cp))
1816 return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY,
1817 MGMT_STATUS_INVALID_PARAMS);
1818
1819 hdev = hci_dev_get(index);
1820 if (!hdev)
1821 return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY,
1822 MGMT_STATUS_INVALID_PARAMS);
1823
1824 hci_dev_lock(hdev);
1825
1826 if (!hdev_is_powered(hdev)) {
1827 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY,
1828 MGMT_STATUS_NOT_POWERED);
1829 goto failed;
1830 }
1831
1832 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
1833 if (!conn) {
1834 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY,
1835 MGMT_STATUS_NOT_CONNECTED);
1836 goto failed;
1837 }
1838
1839 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
1840 struct mgmt_cp_pin_code_neg_reply ncp;
1841
1842 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
1843
1844 BT_ERR("PIN code is not 16 bytes long");
1845
1846 err = send_pin_code_neg_reply(sk, index, hdev, &ncp);
1847 if (err >= 0)
1848 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY,
1849 MGMT_STATUS_INVALID_PARAMS);
1850
1851 goto failed;
1852 }
1853
1854 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data,
1855 len);
1856 if (!cmd) {
1857 err = -ENOMEM;
1858 goto failed;
1859 }
1860
1861 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
1862 reply.pin_len = cp->pin_len;
1863 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
1864
1865 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
1866 if (err < 0)
1867 mgmt_pending_remove(cmd);
1868
1869 failed:
1870 hci_dev_unlock(hdev);
1871 hci_dev_put(hdev);
1872
1873 return err;
1874 }
1875
1876 static int pin_code_neg_reply(struct sock *sk, u16 index, void *data, u16 len)
1877 {
1878 struct hci_dev *hdev;
1879 struct mgmt_cp_pin_code_neg_reply *cp = data;
1880 int err;
1881
1882 BT_DBG("");
1883
1884 if (len != sizeof(*cp))
1885 return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1886 MGMT_STATUS_INVALID_PARAMS);
1887
1888 hdev = hci_dev_get(index);
1889 if (!hdev)
1890 return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1891 MGMT_STATUS_INVALID_PARAMS);
1892
1893 hci_dev_lock(hdev);
1894
1895 if (!hdev_is_powered(hdev)) {
1896 err = cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
1897 MGMT_STATUS_NOT_POWERED);
1898 goto failed;
1899 }
1900
1901 err = send_pin_code_neg_reply(sk, index, hdev, cp);
1902
1903 failed:
1904 hci_dev_unlock(hdev);
1905 hci_dev_put(hdev);
1906
1907 return err;
1908 }
1909
1910 static int set_io_capability(struct sock *sk, u16 index, void *data, u16 len)
1911 {
1912 struct hci_dev *hdev;
1913 struct mgmt_cp_set_io_capability *cp = data;
1914
1915 BT_DBG("");
1916
1917 if (len != sizeof(*cp))
1918 return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY,
1919 MGMT_STATUS_INVALID_PARAMS);
1920
1921 hdev = hci_dev_get(index);
1922 if (!hdev)
1923 return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY,
1924 MGMT_STATUS_INVALID_PARAMS);
1925
1926 hci_dev_lock(hdev);
1927
1928 hdev->io_capability = cp->io_capability;
1929
1930 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
1931 hdev->io_capability);
1932
1933 hci_dev_unlock(hdev);
1934 hci_dev_put(hdev);
1935
1936 return cmd_complete(sk, index, MGMT_OP_SET_IO_CAPABILITY, 0, NULL, 0);
1937 }
1938
1939 static inline struct pending_cmd *find_pairing(struct hci_conn *conn)
1940 {
1941 struct hci_dev *hdev = conn->hdev;
1942 struct pending_cmd *cmd;
1943
1944 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
1945 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
1946 continue;
1947
1948 if (cmd->user_data != conn)
1949 continue;
1950
1951 return cmd;
1952 }
1953
1954 return NULL;
1955 }
1956
1957 static void pairing_complete(struct pending_cmd *cmd, u8 status)
1958 {
1959 struct mgmt_rp_pair_device rp;
1960 struct hci_conn *conn = cmd->user_data;
1961
1962 bacpy(&rp.addr.bdaddr, &conn->dst);
1963 rp.addr.type = link_to_mgmt(conn->type, conn->dst_type);
1964
1965 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
1966 &rp, sizeof(rp));
1967
1968 /* So we don't get further callbacks for this connection */
1969 conn->connect_cfm_cb = NULL;
1970 conn->security_cfm_cb = NULL;
1971 conn->disconn_cfm_cb = NULL;
1972
1973 hci_conn_put(conn);
1974
1975 mgmt_pending_remove(cmd);
1976 }
1977
1978 static void pairing_complete_cb(struct hci_conn *conn, u8 status)
1979 {
1980 struct pending_cmd *cmd;
1981
1982 BT_DBG("status %u", status);
1983
1984 cmd = find_pairing(conn);
1985 if (!cmd)
1986 BT_DBG("Unable to find a pending command");
1987 else
1988 pairing_complete(cmd, mgmt_status(status));
1989 }
1990
1991 static int pair_device(struct sock *sk, u16 index, void *data, u16 len)
1992 {
1993 struct hci_dev *hdev;
1994 struct mgmt_cp_pair_device *cp = data;
1995 struct mgmt_rp_pair_device rp;
1996 struct pending_cmd *cmd;
1997 u8 sec_level, auth_type;
1998 struct hci_conn *conn;
1999 int err;
2000
2001 BT_DBG("");
2002
2003 if (len != sizeof(*cp))
2004 return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE,
2005 MGMT_STATUS_INVALID_PARAMS);
2006
2007 hdev = hci_dev_get(index);
2008 if (!hdev)
2009 return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE,
2010 MGMT_STATUS_INVALID_PARAMS);
2011
2012 hci_dev_lock(hdev);
2013
2014 if (!hdev_is_powered(hdev)) {
2015 err = cmd_status(sk, index, MGMT_OP_PAIR_DEVICE,
2016 MGMT_STATUS_NOT_POWERED);
2017 goto unlock;
2018 }
2019
2020 sec_level = BT_SECURITY_MEDIUM;
2021 if (cp->io_cap == 0x03)
2022 auth_type = HCI_AT_DEDICATED_BONDING;
2023 else
2024 auth_type = HCI_AT_DEDICATED_BONDING_MITM;
2025
2026 if (cp->addr.type == MGMT_ADDR_BREDR)
2027 conn = hci_connect(hdev, ACL_LINK, &cp->addr.bdaddr, sec_level,
2028 auth_type);
2029 else
2030 conn = hci_connect(hdev, LE_LINK, &cp->addr.bdaddr, sec_level,
2031 auth_type);
2032
2033 memset(&rp, 0, sizeof(rp));
2034 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2035 rp.addr.type = cp->addr.type;
2036
2037 if (IS_ERR(conn)) {
2038 err = cmd_complete(sk, index, MGMT_OP_PAIR_DEVICE,
2039 MGMT_STATUS_CONNECT_FAILED,
2040 &rp, sizeof(rp));
2041 goto unlock;
2042 }
2043
2044 if (conn->connect_cfm_cb) {
2045 hci_conn_put(conn);
2046 err = cmd_complete(sk, index, MGMT_OP_PAIR_DEVICE,
2047 MGMT_STATUS_BUSY, &rp, sizeof(rp));
2048 goto unlock;
2049 }
2050
2051 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
2052 if (!cmd) {
2053 err = -ENOMEM;
2054 hci_conn_put(conn);
2055 goto unlock;
2056 }
2057
2058 /* For LE, just connecting isn't a proof that the pairing finished */
2059 if (cp->addr.type == MGMT_ADDR_BREDR)
2060 conn->connect_cfm_cb = pairing_complete_cb;
2061
2062 conn->security_cfm_cb = pairing_complete_cb;
2063 conn->disconn_cfm_cb = pairing_complete_cb;
2064 conn->io_capability = cp->io_cap;
2065 cmd->user_data = conn;
2066
2067 if (conn->state == BT_CONNECTED &&
2068 hci_conn_security(conn, sec_level, auth_type))
2069 pairing_complete(cmd, 0);
2070
2071 err = 0;
2072
2073 unlock:
2074 hci_dev_unlock(hdev);
2075 hci_dev_put(hdev);
2076
2077 return err;
2078 }
2079
2080 static int cancel_pair_device(struct sock *sk, u16 index,
2081 unsigned char *data, u16 len)
2082 {
2083 struct mgmt_addr_info *addr = (void *) data;
2084 struct hci_dev *hdev;
2085 struct pending_cmd *cmd;
2086 struct hci_conn *conn;
2087 int err;
2088
2089 BT_DBG("");
2090
2091 if (len != sizeof(*addr))
2092 return cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
2093 MGMT_STATUS_INVALID_PARAMS);
2094
2095 hdev = hci_dev_get(index);
2096 if (!hdev)
2097 return cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
2098 MGMT_STATUS_INVALID_PARAMS);
2099
2100 hci_dev_lock(hdev);
2101
2102 if (!hdev_is_powered(hdev)) {
2103 err = cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
2104 MGMT_STATUS_NOT_POWERED);
2105 goto unlock;
2106 }
2107
2108 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
2109 if (!cmd) {
2110 err = cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
2111 MGMT_STATUS_INVALID_PARAMS);
2112 goto unlock;
2113 }
2114
2115 conn = cmd->user_data;
2116
2117 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
2118 err = cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
2119 MGMT_STATUS_INVALID_PARAMS);
2120 goto unlock;
2121 }
2122
2123 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
2124
2125 err = cmd_complete(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE, 0, addr,
2126 sizeof(*addr));
2127 unlock:
2128 hci_dev_unlock(hdev);
2129 hci_dev_put(hdev);
2130
2131 return err;
2132 }
2133
2134 static int user_pairing_resp(struct sock *sk, u16 index, bdaddr_t *bdaddr,
2135 u8 type, u16 mgmt_op, u16 hci_op,
2136 __le32 passkey)
2137 {
2138 struct pending_cmd *cmd;
2139 struct hci_dev *hdev;
2140 struct hci_conn *conn;
2141 int err;
2142
2143 hdev = hci_dev_get(index);
2144 if (!hdev)
2145 return cmd_status(sk, index, mgmt_op,
2146 MGMT_STATUS_INVALID_PARAMS);
2147
2148 hci_dev_lock(hdev);
2149
2150 if (!hdev_is_powered(hdev)) {
2151 err = cmd_status(sk, index, mgmt_op, MGMT_STATUS_NOT_POWERED);
2152 goto done;
2153 }
2154
2155 if (type == MGMT_ADDR_BREDR)
2156 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, bdaddr);
2157 else
2158 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, bdaddr);
2159
2160 if (!conn) {
2161 err = cmd_status(sk, index, mgmt_op,
2162 MGMT_STATUS_NOT_CONNECTED);
2163 goto done;
2164 }
2165
2166 if (type == MGMT_ADDR_LE_PUBLIC || type == MGMT_ADDR_LE_RANDOM) {
2167 /* Continue with pairing via SMP */
2168 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
2169
2170 if (!err)
2171 err = cmd_status(sk, index, mgmt_op,
2172 MGMT_STATUS_SUCCESS);
2173 else
2174 err = cmd_status(sk, index, mgmt_op,
2175 MGMT_STATUS_FAILED);
2176
2177 goto done;
2178 }
2179
2180 cmd = mgmt_pending_add(sk, mgmt_op, hdev, bdaddr, sizeof(*bdaddr));
2181 if (!cmd) {
2182 err = -ENOMEM;
2183 goto done;
2184 }
2185
2186 /* Continue with pairing via HCI */
2187 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
2188 struct hci_cp_user_passkey_reply cp;
2189
2190 bacpy(&cp.bdaddr, bdaddr);
2191 cp.passkey = passkey;
2192 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
2193 } else
2194 err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr);
2195
2196 if (err < 0)
2197 mgmt_pending_remove(cmd);
2198
2199 done:
2200 hci_dev_unlock(hdev);
2201 hci_dev_put(hdev);
2202
2203 return err;
2204 }
2205
2206 static int user_confirm_reply(struct sock *sk, u16 index, void *data, u16 len)
2207 {
2208 struct mgmt_cp_user_confirm_reply *cp = data;
2209
2210 BT_DBG("");
2211
2212 if (len != sizeof(*cp))
2213 return cmd_status(sk, index, MGMT_OP_USER_CONFIRM_REPLY,
2214 MGMT_STATUS_INVALID_PARAMS);
2215
2216 return user_pairing_resp(sk, index, &cp->addr.bdaddr, cp->addr.type,
2217 MGMT_OP_USER_CONFIRM_REPLY,
2218 HCI_OP_USER_CONFIRM_REPLY, 0);
2219 }
2220
2221 static int user_confirm_neg_reply(struct sock *sk, u16 index, void *data,
2222 u16 len)
2223 {
2224 struct mgmt_cp_user_confirm_neg_reply *cp = data;
2225
2226 BT_DBG("");
2227
2228 if (len != sizeof(*cp))
2229 return cmd_status(sk, index, MGMT_OP_USER_CONFIRM_NEG_REPLY,
2230 MGMT_STATUS_INVALID_PARAMS);
2231
2232 return user_pairing_resp(sk, index, &cp->addr.bdaddr, cp->addr.type,
2233 MGMT_OP_USER_CONFIRM_NEG_REPLY,
2234 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
2235 }
2236
2237 static int user_passkey_reply(struct sock *sk, u16 index, void *data, u16 len)
2238 {
2239 struct mgmt_cp_user_passkey_reply *cp = data;
2240
2241 BT_DBG("");
2242
2243 if (len != sizeof(*cp))
2244 return cmd_status(sk, index, MGMT_OP_USER_PASSKEY_REPLY,
2245 EINVAL);
2246
2247 return user_pairing_resp(sk, index, &cp->addr.bdaddr, cp->addr.type,
2248 MGMT_OP_USER_PASSKEY_REPLY,
2249 HCI_OP_USER_PASSKEY_REPLY,
2250 cp->passkey);
2251 }
2252
2253 static int user_passkey_neg_reply(struct sock *sk, u16 index, void *data,
2254 u16 len)
2255 {
2256 struct mgmt_cp_user_passkey_neg_reply *cp = data;
2257
2258 BT_DBG("");
2259
2260 if (len != sizeof(*cp))
2261 return cmd_status(sk, index, MGMT_OP_USER_PASSKEY_NEG_REPLY,
2262 EINVAL);
2263
2264 return user_pairing_resp(sk, index, &cp->addr.bdaddr, cp->addr.type,
2265 MGMT_OP_USER_PASSKEY_NEG_REPLY,
2266 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
2267 }
2268
2269 static int set_local_name(struct sock *sk, u16 index, void *data,
2270 u16 len)
2271 {
2272 struct mgmt_cp_set_local_name *mgmt_cp = data;
2273 struct hci_cp_write_local_name hci_cp;
2274 struct hci_dev *hdev;
2275 struct pending_cmd *cmd;
2276 int err;
2277
2278 BT_DBG("");
2279
2280 if (len != sizeof(*mgmt_cp))
2281 return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME,
2282 MGMT_STATUS_INVALID_PARAMS);
2283
2284 hdev = hci_dev_get(index);
2285 if (!hdev)
2286 return cmd_status(sk, index, MGMT_OP_SET_LOCAL_NAME,
2287 MGMT_STATUS_INVALID_PARAMS);
2288
2289 hci_dev_lock(hdev);
2290
2291 memcpy(hdev->short_name, mgmt_cp->short_name,
2292 sizeof(hdev->short_name));
2293
2294 if (!hdev_is_powered(hdev)) {
2295 memcpy(hdev->dev_name, mgmt_cp->name, sizeof(hdev->dev_name));
2296
2297 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2298 data, len);
2299 if (err < 0)
2300 goto failed;
2301
2302 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
2303 sk);
2304
2305 goto failed;
2306 }
2307
2308 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
2309 if (!cmd) {
2310 err = -ENOMEM;
2311 goto failed;
2312 }
2313
2314 memcpy(hci_cp.name, mgmt_cp->name, sizeof(hci_cp.name));
2315 err = hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(hci_cp),
2316 &hci_cp);
2317 if (err < 0)
2318 mgmt_pending_remove(cmd);
2319
2320 failed:
2321 hci_dev_unlock(hdev);
2322 hci_dev_put(hdev);
2323
2324 return err;
2325 }
2326
2327 static int read_local_oob_data(struct sock *sk, u16 index)
2328 {
2329 struct hci_dev *hdev;
2330 struct pending_cmd *cmd;
2331 int err;
2332
2333 BT_DBG("hci%u", index);
2334
2335 hdev = hci_dev_get(index);
2336 if (!hdev)
2337 return cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
2338 MGMT_STATUS_INVALID_PARAMS);
2339
2340 hci_dev_lock(hdev);
2341
2342 if (!hdev_is_powered(hdev)) {
2343 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
2344 MGMT_STATUS_NOT_POWERED);
2345 goto unlock;
2346 }
2347
2348 if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
2349 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
2350 MGMT_STATUS_NOT_SUPPORTED);
2351 goto unlock;
2352 }
2353
2354 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
2355 err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
2356 MGMT_STATUS_BUSY);
2357 goto unlock;
2358 }
2359
2360 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
2361 if (!cmd) {
2362 err = -ENOMEM;
2363 goto unlock;
2364 }
2365
2366 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
2367 if (err < 0)
2368 mgmt_pending_remove(cmd);
2369
2370 unlock:
2371 hci_dev_unlock(hdev);
2372 hci_dev_put(hdev);
2373
2374 return err;
2375 }
2376
2377 static int add_remote_oob_data(struct sock *sk, u16 index, void *data,
2378 u16 len)
2379 {
2380 struct hci_dev *hdev;
2381 struct mgmt_cp_add_remote_oob_data *cp = data;
2382 u8 status;
2383 int err;
2384
2385 BT_DBG("hci%u ", index);
2386
2387 if (len != sizeof(*cp))
2388 return cmd_status(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
2389 MGMT_STATUS_INVALID_PARAMS);
2390
2391 hdev = hci_dev_get(index);
2392 if (!hdev)
2393 return cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
2394 MGMT_STATUS_INVALID_PARAMS,
2395 &cp->addr, sizeof(cp->addr));
2396
2397 hci_dev_lock(hdev);
2398
2399 if (!hdev_is_powered(hdev)) {
2400 err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA,
2401 MGMT_STATUS_NOT_POWERED,
2402 &cp->addr, sizeof(cp->addr));
2403 goto unlock;
2404 }
2405
2406 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, cp->hash,
2407 cp->randomizer);
2408 if (err < 0)
2409 status = MGMT_STATUS_FAILED;
2410 else
2411 status = 0;
2412
2413 err = cmd_complete(sk, index, MGMT_OP_ADD_REMOTE_OOB_DATA, status,
2414 &cp->addr, sizeof(cp->addr));
2415
2416 unlock:
2417 hci_dev_unlock(hdev);
2418 hci_dev_put(hdev);
2419
2420 return err;
2421 }
2422
2423 static int remove_remote_oob_data(struct sock *sk, u16 index,
2424 void *data, u16 len)
2425 {
2426 struct hci_dev *hdev;
2427 struct mgmt_cp_remove_remote_oob_data *cp = data;
2428 u8 status;
2429 int err;
2430
2431 BT_DBG("hci%u ", index);
2432
2433 if (len != sizeof(*cp))
2434 return cmd_status(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
2435 MGMT_STATUS_INVALID_PARAMS);
2436
2437 hdev = hci_dev_get(index);
2438 if (!hdev)
2439 return cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
2440 MGMT_STATUS_INVALID_PARAMS,
2441 &cp->addr, sizeof(cp->addr));
2442
2443 hci_dev_lock(hdev);
2444
2445 if (!hdev_is_powered(hdev)) {
2446 err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
2447 MGMT_STATUS_NOT_POWERED,
2448 &cp->addr, sizeof(cp->addr));
2449 goto unlock;
2450 }
2451
2452 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2453 if (err < 0)
2454 status = MGMT_STATUS_INVALID_PARAMS;
2455 else
2456 status = 0;
2457
2458 err = cmd_complete(sk, index, MGMT_OP_REMOVE_REMOTE_OOB_DATA, status,
2459 &cp->addr, sizeof(cp->addr));
2460
2461 unlock:
2462 hci_dev_unlock(hdev);
2463 hci_dev_put(hdev);
2464
2465 return err;
2466 }
2467
2468 static int discovery(struct hci_dev *hdev)
2469 {
2470 int err;
2471
2472 if (lmp_host_le_capable(hdev)) {
2473 if (lmp_bredr_capable(hdev)) {
2474 err = hci_le_scan(hdev, LE_SCAN_TYPE,
2475 LE_SCAN_INT, LE_SCAN_WIN,
2476 LE_SCAN_TIMEOUT_BREDR_LE);
2477 } else {
2478 hdev->discovery.type = DISCOV_TYPE_LE;
2479 err = hci_le_scan(hdev, LE_SCAN_TYPE,
2480 LE_SCAN_INT, LE_SCAN_WIN,
2481 LE_SCAN_TIMEOUT_LE_ONLY);
2482 }
2483 } else {
2484 hdev->discovery.type = DISCOV_TYPE_BREDR;
2485 err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR);
2486 }
2487
2488 return err;
2489 }
2490
2491 int mgmt_interleaved_discovery(struct hci_dev *hdev)
2492 {
2493 int err;
2494
2495 BT_DBG("%s", hdev->name);
2496
2497 hci_dev_lock(hdev);
2498
2499 err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR_LE);
2500 if (err < 0)
2501 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2502
2503 hci_dev_unlock(hdev);
2504
2505 return err;
2506 }
2507
2508 static int start_discovery(struct sock *sk, u16 index,
2509 void *data, u16 len)
2510 {
2511 struct mgmt_cp_start_discovery *cp = data;
2512 struct pending_cmd *cmd;
2513 struct hci_dev *hdev;
2514 int err;
2515
2516 BT_DBG("hci%u", index);
2517
2518 if (len != sizeof(*cp))
2519 return cmd_status(sk, index, MGMT_OP_START_DISCOVERY,
2520 MGMT_STATUS_INVALID_PARAMS);
2521
2522 hdev = hci_dev_get(index);
2523 if (!hdev)
2524 return cmd_status(sk, index, MGMT_OP_START_DISCOVERY,
2525 MGMT_STATUS_INVALID_PARAMS);
2526
2527 hci_dev_lock(hdev);
2528
2529 if (!hdev_is_powered(hdev)) {
2530 err = cmd_status(sk, index, MGMT_OP_START_DISCOVERY,
2531 MGMT_STATUS_NOT_POWERED);
2532 goto failed;
2533 }
2534
2535 if (hdev->discovery.state != DISCOVERY_STOPPED) {
2536 err = cmd_status(sk, index, MGMT_OP_START_DISCOVERY,
2537 MGMT_STATUS_BUSY);
2538 goto failed;
2539 }
2540
2541 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
2542 if (!cmd) {
2543 err = -ENOMEM;
2544 goto failed;
2545 }
2546
2547 hdev->discovery.type = cp->type;
2548
2549 switch (hdev->discovery.type) {
2550 case DISCOV_TYPE_BREDR:
2551 err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR);
2552 break;
2553
2554 case DISCOV_TYPE_LE:
2555 err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT,
2556 LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY);
2557 break;
2558
2559 case DISCOV_TYPE_INTERLEAVED:
2560 err = discovery(hdev);
2561 break;
2562
2563 default:
2564 err = -EINVAL;
2565 }
2566
2567 if (err < 0)
2568 mgmt_pending_remove(cmd);
2569 else
2570 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
2571
2572 failed:
2573 hci_dev_unlock(hdev);
2574 hci_dev_put(hdev);
2575
2576 return err;
2577 }
2578
2579 static int stop_discovery(struct sock *sk, u16 index, void *data, u16 len)
2580 {
2581 struct mgmt_cp_stop_discovery *mgmt_cp = data;
2582 struct hci_dev *hdev;
2583 struct pending_cmd *cmd;
2584 struct hci_cp_remote_name_req_cancel cp;
2585 struct inquiry_entry *e;
2586 int err;
2587
2588 BT_DBG("hci%u", index);
2589
2590 if (len != sizeof(*mgmt_cp))
2591 return cmd_status(sk, index, MGMT_OP_STOP_DISCOVERY,
2592 MGMT_STATUS_INVALID_PARAMS);
2593
2594 hdev = hci_dev_get(index);
2595 if (!hdev)
2596 return cmd_status(sk, index, MGMT_OP_STOP_DISCOVERY,
2597 MGMT_STATUS_INVALID_PARAMS);
2598
2599 hci_dev_lock(hdev);
2600
2601 if (!hci_discovery_active(hdev)) {
2602 err = cmd_complete(sk, index, MGMT_OP_STOP_DISCOVERY,
2603 MGMT_STATUS_REJECTED,
2604 &mgmt_cp->type, sizeof(mgmt_cp->type));
2605 goto unlock;
2606 }
2607
2608 if (hdev->discovery.type != mgmt_cp->type) {
2609 err = cmd_complete(sk, index, MGMT_OP_STOP_DISCOVERY,
2610 MGMT_STATUS_INVALID_PARAMS,
2611 &mgmt_cp->type, sizeof(mgmt_cp->type));
2612 goto unlock;
2613 }
2614
2615 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
2616 if (!cmd) {
2617 err = -ENOMEM;
2618 goto unlock;
2619 }
2620
2621 if (hdev->discovery.state == DISCOVERY_FINDING) {
2622 err = hci_cancel_inquiry(hdev);
2623 if (err < 0)
2624 mgmt_pending_remove(cmd);
2625 else
2626 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
2627 goto unlock;
2628 }
2629
2630 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_PENDING);
2631 if (!e) {
2632 mgmt_pending_remove(cmd);
2633 err = cmd_complete(sk, index, MGMT_OP_STOP_DISCOVERY, 0,
2634 &mgmt_cp->type, sizeof(mgmt_cp->type));
2635 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2636 goto unlock;
2637 }
2638
2639 bacpy(&cp.bdaddr, &e->data.bdaddr);
2640 err = hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ_CANCEL,
2641 sizeof(cp), &cp);
2642 if (err < 0)
2643 mgmt_pending_remove(cmd);
2644 else
2645 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
2646
2647 unlock:
2648 hci_dev_unlock(hdev);
2649 hci_dev_put(hdev);
2650
2651 return err;
2652 }
2653
2654 static int confirm_name(struct sock *sk, u16 index, void *data, u16 len)
2655 {
2656 struct mgmt_cp_confirm_name *cp = data;
2657 struct inquiry_entry *e;
2658 struct hci_dev *hdev;
2659 int err;
2660
2661 BT_DBG("hci%u", index);
2662
2663 if (len != sizeof(*cp))
2664 return cmd_status(sk, index, MGMT_OP_CONFIRM_NAME,
2665 MGMT_STATUS_INVALID_PARAMS);
2666
2667 hdev = hci_dev_get(index);
2668 if (!hdev)
2669 return cmd_status(sk, index, MGMT_OP_CONFIRM_NAME,
2670 MGMT_STATUS_INVALID_PARAMS);
2671
2672 hci_dev_lock(hdev);
2673
2674 if (!hci_discovery_active(hdev)) {
2675 err = cmd_status(sk, index, MGMT_OP_CONFIRM_NAME,
2676 MGMT_STATUS_FAILED);
2677 goto failed;
2678 }
2679
2680 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
2681 if (!e) {
2682 err = cmd_status(sk, index, MGMT_OP_CONFIRM_NAME,
2683 MGMT_STATUS_INVALID_PARAMS);
2684 goto failed;
2685 }
2686
2687 if (cp->name_known) {
2688 e->name_state = NAME_KNOWN;
2689 list_del(&e->list);
2690 } else {
2691 e->name_state = NAME_NEEDED;
2692 hci_inquiry_cache_update_resolve(hdev, e);
2693 }
2694
2695 err = 0;
2696
2697 failed:
2698 hci_dev_unlock(hdev);
2699
2700 return err;
2701 }
2702
2703 static int block_device(struct sock *sk, u16 index, void *data, u16 len)
2704 {
2705 struct hci_dev *hdev;
2706 struct mgmt_cp_block_device *cp = data;
2707 u8 status;
2708 int err;
2709
2710 BT_DBG("hci%u", index);
2711
2712 if (len != sizeof(*cp))
2713 return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE,
2714 MGMT_STATUS_INVALID_PARAMS);
2715
2716 hdev = hci_dev_get(index);
2717 if (!hdev)
2718 return cmd_complete(sk, index, MGMT_OP_BLOCK_DEVICE,
2719 MGMT_STATUS_INVALID_PARAMS,
2720 &cp->addr, sizeof(cp->addr));
2721
2722 hci_dev_lock(hdev);
2723
2724 err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
2725 if (err < 0)
2726 status = MGMT_STATUS_FAILED;
2727 else
2728 status = 0;
2729
2730 err = cmd_complete(sk, index, MGMT_OP_BLOCK_DEVICE, status,
2731 &cp->addr, sizeof(cp->addr));
2732
2733 hci_dev_unlock(hdev);
2734 hci_dev_put(hdev);
2735
2736 return err;
2737 }
2738
2739 static int unblock_device(struct sock *sk, u16 index, void *data, u16 len)
2740 {
2741 struct hci_dev *hdev;
2742 struct mgmt_cp_unblock_device *cp = data;
2743 u8 status;
2744 int err;
2745
2746 BT_DBG("hci%u", index);
2747
2748 if (len != sizeof(*cp))
2749 return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE,
2750 MGMT_STATUS_INVALID_PARAMS);
2751
2752 hdev = hci_dev_get(index);
2753 if (!hdev)
2754 return cmd_complete(sk, index, MGMT_OP_UNBLOCK_DEVICE,
2755 MGMT_STATUS_INVALID_PARAMS,
2756 &cp->addr, sizeof(cp->addr));
2757
2758 hci_dev_lock(hdev);
2759
2760 err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
2761 if (err < 0)
2762 status = MGMT_STATUS_INVALID_PARAMS;
2763 else
2764 status = 0;
2765
2766 err = cmd_complete(sk, index, MGMT_OP_UNBLOCK_DEVICE, status,
2767 &cp->addr, sizeof(cp->addr));
2768
2769 hci_dev_unlock(hdev);
2770 hci_dev_put(hdev);
2771
2772 return err;
2773 }
2774
2775 static int set_fast_connectable(struct sock *sk, u16 index,
2776 void *data, u16 len)
2777 {
2778 struct hci_dev *hdev;
2779 struct mgmt_mode *cp = data;
2780 struct hci_cp_write_page_scan_activity acp;
2781 u8 type;
2782 int err;
2783
2784 BT_DBG("hci%u", index);
2785
2786 if (len != sizeof(*cp))
2787 return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
2788 MGMT_STATUS_INVALID_PARAMS);
2789
2790 hdev = hci_dev_get(index);
2791 if (!hdev)
2792 return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
2793 MGMT_STATUS_INVALID_PARAMS);
2794 if (!hdev_is_powered(hdev))
2795 return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
2796 MGMT_STATUS_NOT_POWERED);
2797
2798 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
2799 return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
2800 MGMT_STATUS_REJECTED);
2801
2802 hci_dev_lock(hdev);
2803
2804 if (cp->val) {
2805 type = PAGE_SCAN_TYPE_INTERLACED;
2806 acp.interval = 0x0024; /* 22.5 msec page scan interval */
2807 } else {
2808 type = PAGE_SCAN_TYPE_STANDARD; /* default */
2809 acp.interval = 0x0800; /* default 1.28 sec page scan */
2810 }
2811
2812 acp.window = 0x0012; /* default 11.25 msec page scan window */
2813
2814 err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
2815 sizeof(acp), &acp);
2816 if (err < 0) {
2817 err = cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
2818 MGMT_STATUS_FAILED);
2819 goto done;
2820 }
2821
2822 err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
2823 if (err < 0) {
2824 err = cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
2825 MGMT_STATUS_FAILED);
2826 goto done;
2827 }
2828
2829 err = cmd_complete(sk, index, MGMT_OP_SET_FAST_CONNECTABLE, 0,
2830 NULL, 0);
2831 done:
2832 hci_dev_unlock(hdev);
2833 hci_dev_put(hdev);
2834
2835 return err;
2836 }
2837
2838 static int load_long_term_keys(struct sock *sk, u16 index,
2839 void *cp_data, u16 len)
2840 {
2841 struct hci_dev *hdev;
2842 struct mgmt_cp_load_long_term_keys *cp = cp_data;
2843 u16 key_count, expected_len;
2844 int i;
2845
2846 if (len < sizeof(*cp))
2847 return cmd_status(sk, index, MGMT_OP_LOAD_LONG_TERM_KEYS,
2848 EINVAL);
2849
2850 key_count = get_unaligned_le16(&cp->key_count);
2851
2852 expected_len = sizeof(*cp) + key_count *
2853 sizeof(struct mgmt_ltk_info);
2854 if (expected_len != len) {
2855 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2856 len, expected_len);
2857 return cmd_status(sk, index, MGMT_OP_LOAD_LONG_TERM_KEYS,
2858 EINVAL);
2859 }
2860
2861 hdev = hci_dev_get(index);
2862 if (!hdev)
2863 return cmd_status(sk, index, MGMT_OP_LOAD_LONG_TERM_KEYS,
2864 ENODEV);
2865
2866 BT_DBG("hci%u key_count %u", index, key_count);
2867
2868 hci_dev_lock(hdev);
2869
2870 hci_smp_ltks_clear(hdev);
2871
2872 for (i = 0; i < key_count; i++) {
2873 struct mgmt_ltk_info *key = &cp->keys[i];
2874 u8 type;
2875
2876 if (key->master)
2877 type = HCI_SMP_LTK;
2878 else
2879 type = HCI_SMP_LTK_SLAVE;
2880
2881 hci_add_ltk(hdev, &key->addr.bdaddr, key->addr.type,
2882 type, 0, key->authenticated, key->val,
2883 key->enc_size, key->ediv, key->rand);
2884 }
2885
2886 hci_dev_unlock(hdev);
2887 hci_dev_put(hdev);
2888
2889 return 0;
2890 }
2891
2892 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
2893 {
2894 void *buf;
2895 u8 *cp;
2896 struct mgmt_hdr *hdr;
2897 u16 opcode, index, len;
2898 int err;
2899
2900 BT_DBG("got %zu bytes", msglen);
2901
2902 if (msglen < sizeof(*hdr))
2903 return -EINVAL;
2904
2905 buf = kmalloc(msglen, GFP_KERNEL);
2906 if (!buf)
2907 return -ENOMEM;
2908
2909 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
2910 err = -EFAULT;
2911 goto done;
2912 }
2913
2914 hdr = buf;
2915 opcode = get_unaligned_le16(&hdr->opcode);
2916 index = get_unaligned_le16(&hdr->index);
2917 len = get_unaligned_le16(&hdr->len);
2918
2919 if (len != msglen - sizeof(*hdr)) {
2920 err = -EINVAL;
2921 goto done;
2922 }
2923
2924 cp = buf + sizeof(*hdr);
2925
2926 switch (opcode) {
2927 case MGMT_OP_READ_VERSION:
2928 err = read_version(sk);
2929 break;
2930 case MGMT_OP_READ_COMMANDS:
2931 err = read_commands(sk);
2932 break;
2933 case MGMT_OP_READ_INDEX_LIST:
2934 err = read_index_list(sk);
2935 break;
2936 case MGMT_OP_READ_INFO:
2937 err = read_controller_info(sk, index);
2938 break;
2939 case MGMT_OP_SET_POWERED:
2940 err = set_powered(sk, index, cp, len);
2941 break;
2942 case MGMT_OP_SET_DISCOVERABLE:
2943 err = set_discoverable(sk, index, cp, len);
2944 break;
2945 case MGMT_OP_SET_CONNECTABLE:
2946 err = set_connectable(sk, index, cp, len);
2947 break;
2948 case MGMT_OP_SET_FAST_CONNECTABLE:
2949 err = set_fast_connectable(sk, index, cp, len);
2950 break;
2951 case MGMT_OP_SET_PAIRABLE:
2952 err = set_pairable(sk, index, cp, len);
2953 break;
2954 case MGMT_OP_SET_LINK_SECURITY:
2955 err = set_link_security(sk, index, cp, len);
2956 break;
2957 case MGMT_OP_SET_SSP:
2958 err = set_ssp(sk, index, cp, len);
2959 break;
2960 case MGMT_OP_SET_HS:
2961 err = set_hs(sk, index, cp, len);
2962 break;
2963 case MGMT_OP_SET_LE:
2964 err = set_le(sk, index, cp, len);
2965 break;
2966 case MGMT_OP_ADD_UUID:
2967 err = add_uuid(sk, index, cp, len);
2968 break;
2969 case MGMT_OP_REMOVE_UUID:
2970 err = remove_uuid(sk, index, cp, len);
2971 break;
2972 case MGMT_OP_SET_DEV_CLASS:
2973 err = set_dev_class(sk, index, cp, len);
2974 break;
2975 case MGMT_OP_LOAD_LINK_KEYS:
2976 err = load_link_keys(sk, index, cp, len);
2977 break;
2978 case MGMT_OP_DISCONNECT:
2979 err = disconnect(sk, index, cp, len);
2980 break;
2981 case MGMT_OP_GET_CONNECTIONS:
2982 err = get_connections(sk, index);
2983 break;
2984 case MGMT_OP_PIN_CODE_REPLY:
2985 err = pin_code_reply(sk, index, cp, len);
2986 break;
2987 case MGMT_OP_PIN_CODE_NEG_REPLY:
2988 err = pin_code_neg_reply(sk, index, cp, len);
2989 break;
2990 case MGMT_OP_SET_IO_CAPABILITY:
2991 err = set_io_capability(sk, index, cp, len);
2992 break;
2993 case MGMT_OP_PAIR_DEVICE:
2994 err = pair_device(sk, index, cp, len);
2995 break;
2996 case MGMT_OP_CANCEL_PAIR_DEVICE:
2997 err = cancel_pair_device(sk, index, buf + sizeof(*hdr), len);
2998 break;
2999 case MGMT_OP_UNPAIR_DEVICE:
3000 err = unpair_device(sk, index, cp, len);
3001 break;
3002 case MGMT_OP_USER_CONFIRM_REPLY:
3003 err = user_confirm_reply(sk, index, cp, len);
3004 break;
3005 case MGMT_OP_USER_CONFIRM_NEG_REPLY:
3006 err = user_confirm_neg_reply(sk, index, cp, len);
3007 break;
3008 case MGMT_OP_USER_PASSKEY_REPLY:
3009 err = user_passkey_reply(sk, index, cp, len);
3010 break;
3011 case MGMT_OP_USER_PASSKEY_NEG_REPLY:
3012 err = user_passkey_neg_reply(sk, index, cp, len);
3013 break;
3014 case MGMT_OP_SET_LOCAL_NAME:
3015 err = set_local_name(sk, index, cp, len);
3016 break;
3017 case MGMT_OP_READ_LOCAL_OOB_DATA:
3018 err = read_local_oob_data(sk, index);
3019 break;
3020 case MGMT_OP_ADD_REMOTE_OOB_DATA:
3021 err = add_remote_oob_data(sk, index, cp, len);
3022 break;
3023 case MGMT_OP_REMOVE_REMOTE_OOB_DATA:
3024 err = remove_remote_oob_data(sk, index, cp, len);
3025 break;
3026 case MGMT_OP_START_DISCOVERY:
3027 err = start_discovery(sk, index, cp, len);
3028 break;
3029 case MGMT_OP_STOP_DISCOVERY:
3030 err = stop_discovery(sk, index, cp, len);
3031 break;
3032 case MGMT_OP_CONFIRM_NAME:
3033 err = confirm_name(sk, index, cp, len);
3034 break;
3035 case MGMT_OP_BLOCK_DEVICE:
3036 err = block_device(sk, index, cp, len);
3037 break;
3038 case MGMT_OP_UNBLOCK_DEVICE:
3039 err = unblock_device(sk, index, cp, len);
3040 break;
3041 case MGMT_OP_LOAD_LONG_TERM_KEYS:
3042 err = load_long_term_keys(sk, index, cp, len);
3043 break;
3044 default:
3045 BT_DBG("Unknown op %u", opcode);
3046 err = cmd_status(sk, index, opcode,
3047 MGMT_STATUS_UNKNOWN_COMMAND);
3048 break;
3049 }
3050
3051 if (err < 0)
3052 goto done;
3053
3054 err = msglen;
3055
3056 done:
3057 kfree(buf);
3058 return err;
3059 }
3060
3061 static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
3062 {
3063 u8 *status = data;
3064
3065 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
3066 mgmt_pending_remove(cmd);
3067 }
3068
3069 int mgmt_index_added(struct hci_dev *hdev)
3070 {
3071 return mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
3072 }
3073
3074 int mgmt_index_removed(struct hci_dev *hdev)
3075 {
3076 u8 status = ENODEV;
3077
3078 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
3079
3080 return mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
3081 }
3082
3083 struct cmd_lookup {
3084 struct sock *sk;
3085 struct hci_dev *hdev;
3086 };
3087
3088 static void settings_rsp(struct pending_cmd *cmd, void *data)
3089 {
3090 struct cmd_lookup *match = data;
3091
3092 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
3093
3094 list_del(&cmd->list);
3095
3096 if (match->sk == NULL) {
3097 match->sk = cmd->sk;
3098 sock_hold(match->sk);
3099 }
3100
3101 mgmt_pending_free(cmd);
3102 }
3103
3104 int mgmt_powered(struct hci_dev *hdev, u8 powered)
3105 {
3106 struct cmd_lookup match = { NULL, hdev };
3107 int err;
3108
3109 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
3110 return 0;
3111
3112 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
3113
3114 if (powered) {
3115 u8 scan = 0;
3116
3117 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
3118 scan |= SCAN_PAGE;
3119 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
3120 scan |= SCAN_INQUIRY;
3121
3122 if (scan)
3123 hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
3124 } else {
3125 u8 status = ENETDOWN;
3126 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
3127 }
3128
3129 err = new_settings(hdev, match.sk);
3130
3131 if (match.sk)
3132 sock_put(match.sk);
3133
3134 return err;
3135 }
3136
3137 int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
3138 {
3139 struct cmd_lookup match = { NULL, hdev };
3140 bool changed = false;
3141 int err = 0;
3142
3143 if (discoverable) {
3144 if (!test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
3145 changed = true;
3146 } else {
3147 if (test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
3148 changed = true;
3149 }
3150
3151 mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, settings_rsp,
3152 &match);
3153
3154 if (changed)
3155 err = new_settings(hdev, match.sk);
3156
3157 if (match.sk)
3158 sock_put(match.sk);
3159
3160 return err;
3161 }
3162
3163 int mgmt_connectable(struct hci_dev *hdev, u8 connectable)
3164 {
3165 struct cmd_lookup match = { NULL, hdev };
3166 bool changed = false;
3167 int err = 0;
3168
3169 if (connectable) {
3170 if (!test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags))
3171 changed = true;
3172 } else {
3173 if (test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags))
3174 changed = true;
3175 }
3176
3177 mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, settings_rsp,
3178 &match);
3179
3180 if (changed)
3181 err = new_settings(hdev, match.sk);
3182
3183 if (match.sk)
3184 sock_put(match.sk);
3185
3186 return err;
3187 }
3188
3189 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status)
3190 {
3191 u8 mgmt_err = mgmt_status(status);
3192
3193 if (scan & SCAN_PAGE)
3194 mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev,
3195 cmd_status_rsp, &mgmt_err);
3196
3197 if (scan & SCAN_INQUIRY)
3198 mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev,
3199 cmd_status_rsp, &mgmt_err);
3200
3201 return 0;
3202 }
3203
3204 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
3205 u8 persistent)
3206 {
3207 struct mgmt_ev_new_link_key ev;
3208
3209 memset(&ev, 0, sizeof(ev));
3210
3211 ev.store_hint = persistent;
3212 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
3213 ev.key.addr.type = MGMT_ADDR_BREDR;
3214 ev.key.type = key->type;
3215 memcpy(ev.key.val, key->val, 16);
3216 ev.key.pin_len = key->pin_len;
3217
3218 return mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
3219 }
3220
3221 int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent)
3222 {
3223 struct mgmt_ev_new_long_term_key ev;
3224
3225 memset(&ev, 0, sizeof(ev));
3226
3227 ev.store_hint = persistent;
3228 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
3229 ev.key.addr.type = key->bdaddr_type;
3230 ev.key.authenticated = key->authenticated;
3231 ev.key.enc_size = key->enc_size;
3232 ev.key.ediv = key->ediv;
3233
3234 if (key->type == HCI_SMP_LTK)
3235 ev.key.master = 1;
3236
3237 memcpy(ev.key.rand, key->rand, sizeof(key->rand));
3238 memcpy(ev.key.val, key->val, sizeof(key->val));
3239
3240 return mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev,
3241 &ev, sizeof(ev), NULL);
3242 }
3243
3244 int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3245 u8 addr_type, u8 *name, u8 name_len,
3246 u8 *dev_class)
3247 {
3248 char buf[512];
3249 struct mgmt_ev_device_connected *ev = (void *) buf;
3250 u16 eir_len = 0;
3251
3252 bacpy(&ev->addr.bdaddr, bdaddr);
3253 ev->addr.type = link_to_mgmt(link_type, addr_type);
3254
3255 if (name_len > 0)
3256 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
3257 name, name_len);
3258
3259 if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
3260 eir_len = eir_append_data(&ev->eir[eir_len], eir_len,
3261 EIR_CLASS_OF_DEV, dev_class, 3);
3262
3263 put_unaligned_le16(eir_len, &ev->eir_len);
3264
3265 return mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
3266 sizeof(*ev) + eir_len, NULL);
3267 }
3268
3269 static void disconnect_rsp(struct pending_cmd *cmd, void *data)
3270 {
3271 struct mgmt_cp_disconnect *cp = cmd->param;
3272 struct sock **sk = data;
3273 struct mgmt_rp_disconnect rp;
3274
3275 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3276 rp.addr.type = cp->addr.type;
3277
3278 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
3279 sizeof(rp));
3280
3281 *sk = cmd->sk;
3282 sock_hold(*sk);
3283
3284 mgmt_pending_remove(cmd);
3285 }
3286
3287 static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
3288 {
3289 struct hci_dev *hdev = data;
3290 struct mgmt_cp_unpair_device *cp = cmd->param;
3291 struct mgmt_rp_unpair_device rp;
3292
3293 memset(&rp, 0, sizeof(rp));
3294 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3295 rp.addr.type = cp->addr.type;
3296
3297 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
3298
3299 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
3300
3301 mgmt_pending_remove(cmd);
3302 }
3303
3304 int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
3305 u8 link_type, u8 addr_type)
3306 {
3307 struct mgmt_addr_info ev;
3308 struct sock *sk = NULL;
3309 int err;
3310
3311 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
3312
3313 bacpy(&ev.bdaddr, bdaddr);
3314 ev.type = link_to_mgmt(link_type, addr_type);
3315
3316 err = mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev),
3317 sk);
3318
3319 if (sk)
3320 sock_put(sk);
3321
3322 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
3323 hdev);
3324
3325 return err;
3326 }
3327
3328 int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
3329 u8 link_type, u8 addr_type, u8 status)
3330 {
3331 struct mgmt_rp_disconnect rp;
3332 struct pending_cmd *cmd;
3333 int err;
3334
3335 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
3336 if (!cmd)
3337 return -ENOENT;
3338
3339 bacpy(&rp.addr.bdaddr, bdaddr);
3340 rp.addr.type = link_to_mgmt(link_type, addr_type);
3341
3342 err = cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
3343 mgmt_status(status), &rp, sizeof(rp));
3344
3345 mgmt_pending_remove(cmd);
3346
3347 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
3348 hdev);
3349 return err;
3350 }
3351
3352 int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3353 u8 addr_type, u8 status)
3354 {
3355 struct mgmt_ev_connect_failed ev;
3356
3357 bacpy(&ev.addr.bdaddr, bdaddr);
3358 ev.addr.type = link_to_mgmt(link_type, addr_type);
3359 ev.status = mgmt_status(status);
3360
3361 return mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
3362 }
3363
3364 int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
3365 {
3366 struct mgmt_ev_pin_code_request ev;
3367
3368 bacpy(&ev.addr.bdaddr, bdaddr);
3369 ev.addr.type = MGMT_ADDR_BREDR;
3370 ev.secure = secure;
3371
3372 return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev),
3373 NULL);
3374 }
3375
3376 int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3377 u8 status)
3378 {
3379 struct pending_cmd *cmd;
3380 struct mgmt_rp_pin_code_reply rp;
3381 int err;
3382
3383 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
3384 if (!cmd)
3385 return -ENOENT;
3386
3387 bacpy(&rp.addr.bdaddr, bdaddr);
3388 rp.addr.type = MGMT_ADDR_BREDR;
3389
3390 err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3391 mgmt_status(status), &rp, sizeof(rp));
3392
3393 mgmt_pending_remove(cmd);
3394
3395 return err;
3396 }
3397
3398 int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3399 u8 status)
3400 {
3401 struct pending_cmd *cmd;
3402 struct mgmt_rp_pin_code_reply rp;
3403 int err;
3404
3405 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
3406 if (!cmd)
3407 return -ENOENT;
3408
3409 bacpy(&rp.addr.bdaddr, bdaddr);
3410 rp.addr.type = MGMT_ADDR_BREDR;
3411
3412 err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
3413 mgmt_status(status), &rp, sizeof(rp));
3414
3415 mgmt_pending_remove(cmd);
3416
3417 return err;
3418 }
3419
3420 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
3421 u8 link_type, u8 addr_type, __le32 value,
3422 u8 confirm_hint)
3423 {
3424 struct mgmt_ev_user_confirm_request ev;
3425
3426 BT_DBG("%s", hdev->name);
3427
3428 bacpy(&ev.addr.bdaddr, bdaddr);
3429 ev.addr.type = link_to_mgmt(link_type, addr_type);
3430 ev.confirm_hint = confirm_hint;
3431 put_unaligned_le32(value, &ev.value);
3432
3433 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
3434 NULL);
3435 }
3436
3437 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
3438 u8 link_type, u8 addr_type)
3439 {
3440 struct mgmt_ev_user_passkey_request ev;
3441
3442 BT_DBG("%s", hdev->name);
3443
3444 bacpy(&ev.addr.bdaddr, bdaddr);
3445 ev.addr.type = link_to_mgmt(link_type, addr_type);
3446
3447 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
3448 NULL);
3449 }
3450
3451 static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3452 u8 link_type, u8 addr_type, u8 status,
3453 u8 opcode)
3454 {
3455 struct pending_cmd *cmd;
3456 struct mgmt_rp_user_confirm_reply rp;
3457 int err;
3458
3459 cmd = mgmt_pending_find(opcode, hdev);
3460 if (!cmd)
3461 return -ENOENT;
3462
3463 bacpy(&rp.addr.bdaddr, bdaddr);
3464 rp.addr.type = link_to_mgmt(link_type, addr_type);
3465 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
3466 &rp, sizeof(rp));
3467
3468 mgmt_pending_remove(cmd);
3469
3470 return err;
3471 }
3472
3473 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3474 u8 link_type, u8 addr_type, u8 status)
3475 {
3476 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
3477 status, MGMT_OP_USER_CONFIRM_REPLY);
3478 }
3479
3480 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3481 u8 link_type, u8 addr_type, u8 status)
3482 {
3483 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
3484 status, MGMT_OP_USER_CONFIRM_NEG_REPLY);
3485 }
3486
3487 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3488 u8 link_type, u8 addr_type, u8 status)
3489 {
3490 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
3491 status, MGMT_OP_USER_PASSKEY_REPLY);
3492 }
3493
3494 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3495 u8 link_type, u8 addr_type, u8 status)
3496 {
3497 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
3498 status, MGMT_OP_USER_PASSKEY_NEG_REPLY);
3499 }
3500
3501 int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3502 u8 addr_type, u8 status)
3503 {
3504 struct mgmt_ev_auth_failed ev;
3505
3506 bacpy(&ev.addr.bdaddr, bdaddr);
3507 ev.addr.type = link_to_mgmt(link_type, addr_type);
3508 ev.status = mgmt_status(status);
3509
3510 return mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL);
3511 }
3512
3513 int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
3514 {
3515 struct cmd_lookup match = { NULL, hdev };
3516 bool changed = false;
3517 int err = 0;
3518
3519 if (status) {
3520 u8 mgmt_err = mgmt_status(status);
3521 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
3522 cmd_status_rsp, &mgmt_err);
3523 return 0;
3524 }
3525
3526 if (test_bit(HCI_AUTH, &hdev->flags)) {
3527 if (!test_and_set_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
3528 changed = true;
3529 } else {
3530 if (test_and_clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
3531 changed = true;
3532 }
3533
3534 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
3535 &match);
3536
3537 if (changed)
3538 err = new_settings(hdev, match.sk);
3539
3540 if (match.sk)
3541 sock_put(match.sk);
3542
3543 return err;
3544 }
3545
3546 static int clear_eir(struct hci_dev *hdev)
3547 {
3548 struct hci_cp_write_eir cp;
3549
3550 if (!(hdev->features[6] & LMP_EXT_INQ))
3551 return 0;
3552
3553 memset(hdev->eir, 0, sizeof(hdev->eir));
3554
3555 memset(&cp, 0, sizeof(cp));
3556
3557 return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
3558 }
3559
3560 int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
3561 {
3562 struct cmd_lookup match = { NULL, hdev };
3563 bool changed = false;
3564 int err = 0;
3565
3566 if (status) {
3567 u8 mgmt_err = mgmt_status(status);
3568
3569 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
3570 &hdev->dev_flags))
3571 err = new_settings(hdev, NULL);
3572
3573 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev,
3574 cmd_status_rsp, &mgmt_err);
3575
3576 return err;
3577 }
3578
3579 if (enable) {
3580 if (!test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
3581 changed = true;
3582 } else {
3583 if (test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
3584 changed = true;
3585 }
3586
3587 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
3588
3589 if (changed)
3590 err = new_settings(hdev, match.sk);
3591
3592 if (match.sk)
3593 sock_put(match.sk);
3594
3595 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
3596 update_eir(hdev);
3597 else
3598 clear_eir(hdev);
3599
3600 return err;
3601 }
3602
3603 int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
3604 u8 status)
3605 {
3606 int err;
3607
3608 err = mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3, NULL);
3609
3610 return err;
3611 }
3612
3613 int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
3614 {
3615 struct pending_cmd *cmd;
3616 struct mgmt_cp_set_local_name ev;
3617 bool changed = false;
3618 int err = 0;
3619
3620 if (memcmp(name, hdev->dev_name, sizeof(hdev->dev_name)) != 0) {
3621 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
3622 changed = true;
3623 }
3624
3625 memset(&ev, 0, sizeof(ev));
3626 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
3627 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
3628
3629 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3630 if (!cmd)
3631 goto send_event;
3632
3633 /* Always assume that either the short or the complete name has
3634 * changed if there was a pending mgmt command */
3635 changed = true;
3636
3637 if (status) {
3638 err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3639 mgmt_status(status));
3640 goto failed;
3641 }
3642
3643 err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, &ev,
3644 sizeof(ev));
3645 if (err < 0)
3646 goto failed;
3647
3648 send_event:
3649 if (changed)
3650 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev,
3651 sizeof(ev), cmd ? cmd->sk : NULL);
3652
3653 update_eir(hdev);
3654
3655 failed:
3656 if (cmd)
3657 mgmt_pending_remove(cmd);
3658 return err;
3659 }
3660
3661 int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
3662 u8 *randomizer, u8 status)
3663 {
3664 struct pending_cmd *cmd;
3665 int err;
3666
3667 BT_DBG("%s status %u", hdev->name, status);
3668
3669 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3670 if (!cmd)
3671 return -ENOENT;
3672
3673 if (status) {
3674 err = cmd_status(cmd->sk, hdev->id,
3675 MGMT_OP_READ_LOCAL_OOB_DATA,
3676 mgmt_status(status));
3677 } else {
3678 struct mgmt_rp_read_local_oob_data rp;
3679
3680 memcpy(rp.hash, hash, sizeof(rp.hash));
3681 memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer));
3682
3683 err = cmd_complete(cmd->sk, hdev->id,
3684 MGMT_OP_READ_LOCAL_OOB_DATA,
3685 0, &rp, sizeof(rp));
3686 }
3687
3688 mgmt_pending_remove(cmd);
3689
3690 return err;
3691 }
3692
3693 int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
3694 {
3695 struct cmd_lookup match = { NULL, hdev };
3696 bool changed = false;
3697 int err = 0;
3698
3699 if (status) {
3700 u8 mgmt_err = mgmt_status(status);
3701
3702 if (enable && test_and_clear_bit(HCI_LE_ENABLED,
3703 &hdev->dev_flags))
3704 err = new_settings(hdev, NULL);
3705
3706 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev,
3707 cmd_status_rsp, &mgmt_err);
3708
3709 return err;
3710 }
3711
3712 if (enable) {
3713 if (!test_and_set_bit(HCI_LE_ENABLED, &hdev->dev_flags))
3714 changed = true;
3715 } else {
3716 if (test_and_clear_bit(HCI_LE_ENABLED, &hdev->dev_flags))
3717 changed = true;
3718 }
3719
3720 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
3721
3722 if (changed)
3723 err = new_settings(hdev, match.sk);
3724
3725 if (match.sk)
3726 sock_put(match.sk);
3727
3728 return err;
3729 }
3730
3731 int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3732 u8 addr_type, u8 *dev_class, s8 rssi,
3733 u8 cfm_name, u8 ssp, u8 *eir, u16 eir_len)
3734 {
3735 char buf[512];
3736 struct mgmt_ev_device_found *ev = (void *) buf;
3737 size_t ev_size;
3738
3739 /* Leave 5 bytes for a potential CoD field */
3740 if (sizeof(*ev) + eir_len + 5 > sizeof(buf))
3741 return -EINVAL;
3742
3743 memset(buf, 0, sizeof(buf));
3744
3745 bacpy(&ev->addr.bdaddr, bdaddr);
3746 ev->addr.type = link_to_mgmt(link_type, addr_type);
3747 ev->rssi = rssi;
3748 if (cfm_name)
3749 ev->flags[0] |= MGMT_DEV_FOUND_CONFIRM_NAME;
3750 if (!ssp)
3751 ev->flags[0] |= MGMT_DEV_FOUND_LEGACY_PAIRING;
3752
3753 if (eir_len > 0)
3754 memcpy(ev->eir, eir, eir_len);
3755
3756 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
3757 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
3758 dev_class, 3);
3759
3760 put_unaligned_le16(eir_len, &ev->eir_len);
3761
3762 ev_size = sizeof(*ev) + eir_len;
3763
3764 return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
3765 }
3766
3767 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3768 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
3769 {
3770 struct mgmt_ev_device_found *ev;
3771 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
3772 u16 eir_len;
3773
3774 ev = (struct mgmt_ev_device_found *) buf;
3775
3776 memset(buf, 0, sizeof(buf));
3777
3778 bacpy(&ev->addr.bdaddr, bdaddr);
3779 ev->addr.type = link_to_mgmt(link_type, addr_type);
3780 ev->rssi = rssi;
3781
3782 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
3783 name_len);
3784
3785 put_unaligned_le16(eir_len, &ev->eir_len);
3786
3787 return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev,
3788 sizeof(*ev) + eir_len, NULL);
3789 }
3790
3791 int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3792 {
3793 struct pending_cmd *cmd;
3794 u8 type;
3795 int err;
3796
3797 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3798
3799 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3800 if (!cmd)
3801 return -ENOENT;
3802
3803 type = hdev->discovery.type;
3804
3805 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3806 &type, sizeof(type));
3807 mgmt_pending_remove(cmd);
3808
3809 return err;
3810 }
3811
3812 int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3813 {
3814 struct pending_cmd *cmd;
3815 int err;
3816
3817 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3818 if (!cmd)
3819 return -ENOENT;
3820
3821 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3822 &hdev->discovery.type,
3823 sizeof(hdev->discovery.type));
3824 mgmt_pending_remove(cmd);
3825
3826 return err;
3827 }
3828
3829 int mgmt_discovering(struct hci_dev *hdev, u8 discovering)
3830 {
3831 struct mgmt_ev_discovering ev;
3832 struct pending_cmd *cmd;
3833
3834 BT_DBG("%s discovering %u", hdev->name, discovering);
3835
3836 if (discovering)
3837 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3838 else
3839 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3840
3841 if (cmd != NULL) {
3842 u8 type = hdev->discovery.type;
3843
3844 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0,
3845 &type, sizeof(type));
3846 mgmt_pending_remove(cmd);
3847 }
3848
3849 memset(&ev, 0, sizeof(ev));
3850 ev.type = hdev->discovery.type;
3851 ev.discovering = discovering;
3852
3853 return mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
3854 }
3855
3856 int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
3857 {
3858 struct pending_cmd *cmd;
3859 struct mgmt_ev_device_blocked ev;
3860
3861 cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev);
3862
3863 bacpy(&ev.addr.bdaddr, bdaddr);
3864 ev.addr.type = type;
3865
3866 return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev),
3867 cmd ? cmd->sk : NULL);
3868 }
3869
3870 int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
3871 {
3872 struct pending_cmd *cmd;
3873 struct mgmt_ev_device_unblocked ev;
3874
3875 cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev);
3876
3877 bacpy(&ev.addr.bdaddr, bdaddr);
3878 ev.addr.type = type;
3879
3880 return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev),
3881 cmd ? cmd->sk : NULL);
3882 }
3883
3884 module_param(enable_hs, bool, 0644);
3885 MODULE_PARM_DESC(enable_hs, "Enable High Speed support");
3886
3887 module_param(enable_le, bool, 0644);
3888 MODULE_PARM_DESC(enable_le, "Enable Low Energy support");
Linux kernel - Deliverables
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