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Bluetooth: Store address type with OOB data
[deliverable/linux.git] / net / bluetooth / mgmt.c
CommitLineData
0381101f
JH		 1/*
2 BlueZ - Bluetooth protocol stack for Linux
ea585ab5 3
0381101f 4 Copyright (C) 2010 Nokia Corporation
ea585ab5 5 Copyright (C) 2011-2012 Intel Corporation
0381101f
JH		 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
3a9a231d 27#include <linux/module.h>
0381101f
JH		 28#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
4bc58f51 32#include <net/bluetooth/l2cap.h>
0381101f 33#include <net/bluetooth/mgmt.h>
ac4b7236
MH		 34
35#include "smp.h"
0381101f 36
2da9c55c 37#define MGMT_VERSION 1
730f091b 38#define MGMT_REVISION 7
02d98129 39
e70bb2e8
JH		 40static const u16 mgmt_commands[] = {
41 MGMT_OP_READ_INDEX_LIST,
42 MGMT_OP_READ_INFO,
43 MGMT_OP_SET_POWERED,
44 MGMT_OP_SET_DISCOVERABLE,
45 MGMT_OP_SET_CONNECTABLE,
46 MGMT_OP_SET_FAST_CONNECTABLE,
b2939475 47 MGMT_OP_SET_BONDABLE,
e70bb2e8
JH		 48 MGMT_OP_SET_LINK_SECURITY,
49 MGMT_OP_SET_SSP,
50 MGMT_OP_SET_HS,
51 MGMT_OP_SET_LE,
52 MGMT_OP_SET_DEV_CLASS,
53 MGMT_OP_SET_LOCAL_NAME,
54 MGMT_OP_ADD_UUID,
55 MGMT_OP_REMOVE_UUID,
56 MGMT_OP_LOAD_LINK_KEYS,
57 MGMT_OP_LOAD_LONG_TERM_KEYS,
58 MGMT_OP_DISCONNECT,
59 MGMT_OP_GET_CONNECTIONS,
60 MGMT_OP_PIN_CODE_REPLY,
61 MGMT_OP_PIN_CODE_NEG_REPLY,
62 MGMT_OP_SET_IO_CAPABILITY,
63 MGMT_OP_PAIR_DEVICE,
64 MGMT_OP_CANCEL_PAIR_DEVICE,
65 MGMT_OP_UNPAIR_DEVICE,
66 MGMT_OP_USER_CONFIRM_REPLY,
67 MGMT_OP_USER_CONFIRM_NEG_REPLY,
68 MGMT_OP_USER_PASSKEY_REPLY,
69 MGMT_OP_USER_PASSKEY_NEG_REPLY,
70 MGMT_OP_READ_LOCAL_OOB_DATA,
71 MGMT_OP_ADD_REMOTE_OOB_DATA,
72 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
73 MGMT_OP_START_DISCOVERY,
74 MGMT_OP_STOP_DISCOVERY,
75 MGMT_OP_CONFIRM_NAME,
76 MGMT_OP_BLOCK_DEVICE,
77 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 78 MGMT_OP_SET_DEVICE_ID,
4375f103 79 MGMT_OP_SET_ADVERTISING,
0663ca2a 80 MGMT_OP_SET_BREDR,
d13eafce 81 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 82 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 83 MGMT_OP_SET_SECURE_CONN,
4e39ac81 84 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 85 MGMT_OP_SET_PRIVACY,
41edf160 86 MGMT_OP_LOAD_IRKS,
dd983808 87 MGMT_OP_GET_CONN_INFO,
95868426 88 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 89 MGMT_OP_ADD_DEVICE,
90 MGMT_OP_REMOVE_DEVICE,
a26f3dcf 91 MGMT_OP_LOAD_CONN_PARAM,
73d1df2a 92 MGMT_OP_READ_UNCONF_INDEX_LIST,
9fc3bfb6 93 MGMT_OP_READ_CONFIG_INFO,
dbece37a 94 MGMT_OP_SET_EXTERNAL_CONFIG,
9713c17b 95 MGMT_OP_SET_PUBLIC_ADDRESS,
e70bb2e8
JH		 96};
97
98static const u16 mgmt_events[] = {
99 MGMT_EV_CONTROLLER_ERROR,
100 MGMT_EV_INDEX_ADDED,
101 MGMT_EV_INDEX_REMOVED,
102 MGMT_EV_NEW_SETTINGS,
103 MGMT_EV_CLASS_OF_DEV_CHANGED,
104 MGMT_EV_LOCAL_NAME_CHANGED,
105 MGMT_EV_NEW_LINK_KEY,
106 MGMT_EV_NEW_LONG_TERM_KEY,
107 MGMT_EV_DEVICE_CONNECTED,
108 MGMT_EV_DEVICE_DISCONNECTED,
109 MGMT_EV_CONNECT_FAILED,
110 MGMT_EV_PIN_CODE_REQUEST,
111 MGMT_EV_USER_CONFIRM_REQUEST,
112 MGMT_EV_USER_PASSKEY_REQUEST,
113 MGMT_EV_AUTH_FAILED,
114 MGMT_EV_DEVICE_FOUND,
115 MGMT_EV_DISCOVERING,
116 MGMT_EV_DEVICE_BLOCKED,
117 MGMT_EV_DEVICE_UNBLOCKED,
118 MGMT_EV_DEVICE_UNPAIRED,
92a25256 119 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 120 MGMT_EV_NEW_IRK,
7ee4ea36 121 MGMT_EV_NEW_CSRK,
8afef092
MH		 122 MGMT_EV_DEVICE_ADDED,
123 MGMT_EV_DEVICE_REMOVED,
ffb5a827 124 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 125 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 126 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 127 MGMT_EV_NEW_CONFIG_OPTIONS,
e70bb2e8
JH		 128};
129
17b02e62 130#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 131
eec8d2bc
JH		 132struct pending_cmd {
133 struct list_head list;
fc2f4b13 134 u16 opcode;
eec8d2bc 135 int index;
c68fb7ff 136 void *param;
eec8d2bc 137 struct sock *sk;
e9a416b5 138 void *user_data;
eec8d2bc
JH		 139};
140
ca69b795
JH		 141/* HCI to MGMT error code conversion table */
142static u8 mgmt_status_table[] = {
143 MGMT_STATUS_SUCCESS,
144 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
145 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
146 MGMT_STATUS_FAILED, /* Hardware Failure */
147 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
148 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 149 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 150 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
151 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
152 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
153 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
154 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
155 MGMT_STATUS_BUSY, /* Command Disallowed */
156 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
157 MGMT_STATUS_REJECTED, /* Rejected Security */
158 MGMT_STATUS_REJECTED, /* Rejected Personal */
159 MGMT_STATUS_TIMEOUT, /* Host Timeout */
160 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
161 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
162 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
163 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
164 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
165 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
166 MGMT_STATUS_BUSY, /* Repeated Attempts */
167 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
168 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
169 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
170 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
171 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
172 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
173 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
174 MGMT_STATUS_FAILED, /* Unspecified Error */
175 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
176 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
177 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
178 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
179 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
180 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
181 MGMT_STATUS_FAILED, /* Unit Link Key Used */
182 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
183 MGMT_STATUS_TIMEOUT, /* Instant Passed */
184 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
185 MGMT_STATUS_FAILED, /* Transaction Collision */
186 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
187 MGMT_STATUS_REJECTED, /* QoS Rejected */
188 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
189 MGMT_STATUS_REJECTED, /* Insufficient Security */
190 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
191 MGMT_STATUS_BUSY, /* Role Switch Pending */
192 MGMT_STATUS_FAILED, /* Slot Violation */
193 MGMT_STATUS_FAILED, /* Role Switch Failed */
194 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
195 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
196 MGMT_STATUS_BUSY, /* Host Busy Pairing */
197 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
198 MGMT_STATUS_BUSY, /* Controller Busy */
199 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
200 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
201 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
202 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
203 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
204};
205
206static u8 mgmt_status(u8 hci_status)
207{
208 if (hci_status < ARRAY_SIZE(mgmt_status_table))
209 return mgmt_status_table[hci_status];
210
211 return MGMT_STATUS_FAILED;
212}
213
04c60f05
MH		 214static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
215 struct sock *skip_sk)
216{
217 struct sk_buff *skb;
218 struct mgmt_hdr *hdr;
219
220 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
221 if (!skb)
222 return -ENOMEM;
223
224 hdr = (void *) skb_put(skb, sizeof(*hdr));
225 hdr->opcode = cpu_to_le16(event);
226 if (hdev)
227 hdr->index = cpu_to_le16(hdev->id);
228 else
229 hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
230 hdr->len = cpu_to_le16(data_len);
231
232 if (data)
233 memcpy(skb_put(skb, data_len), data, data_len);
234
235 /* Time stamp */
236 __net_timestamp(skb);
237
238 hci_send_to_control(skb, skip_sk);
239 kfree_skb(skb);
240
241 return 0;
242}
243
4e51eae9 244static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
f7b64e69
JH		 245{
246 struct sk_buff *skb;
247 struct mgmt_hdr *hdr;
248 struct mgmt_ev_cmd_status *ev;
56b7d137 249 int err;
f7b64e69 250
34eb525c 251 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
f7b64e69 252
790eff44 253 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL);
f7b64e69
JH		 254 if (!skb)
255 return -ENOMEM;
256
257 hdr = (void *) skb_put(skb, sizeof(*hdr));
258
dcf4adbf 259 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
4e51eae9 260 hdr->index = cpu_to_le16(index);
f7b64e69
JH		 261 hdr->len = cpu_to_le16(sizeof(*ev));
262
263 ev = (void *) skb_put(skb, sizeof(*ev));
264 ev->status = status;
eb55ef07 265 ev->opcode = cpu_to_le16(cmd);
f7b64e69 266
56b7d137
GP		 267 err = sock_queue_rcv_skb(sk, skb);
268 if (err < 0)
f7b64e69
JH		 269 kfree_skb(skb);
270
56b7d137 271 return err;
f7b64e69
JH		 272}
273
aee9b218 274static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
04124681 275 void *rp, size_t rp_len)
02d98129
JH		 276{
277 struct sk_buff *skb;
278 struct mgmt_hdr *hdr;
279 struct mgmt_ev_cmd_complete *ev;
56b7d137 280 int err;
02d98129
JH		 281
282 BT_DBG("sock %p", sk);
283
790eff44 284 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL);
02d98129
JH		 285 if (!skb)
286 return -ENOMEM;
287
288 hdr = (void *) skb_put(skb, sizeof(*hdr));
02d98129 289
dcf4adbf 290 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
4e51eae9 291 hdr->index = cpu_to_le16(index);
a38528f1 292 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
02d98129 293
a38528f1 294 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
eb55ef07 295 ev->opcode = cpu_to_le16(cmd);
aee9b218 296 ev->status = status;
8020c16a
SJ		 297
298 if (rp)
299 memcpy(ev->data, rp, rp_len);
02d98129 300
56b7d137
GP		 301 err = sock_queue_rcv_skb(sk, skb);
302 if (err < 0)
02d98129
JH		 303 kfree_skb(skb);
304
e5f0e151 305 return err;
02d98129
JH		 306}
307
04124681
GP		 308static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
309 u16 data_len)
a38528f1
JH		 310{
311 struct mgmt_rp_read_version rp;
312
313 BT_DBG("sock %p", sk);
314
315 rp.version = MGMT_VERSION;
dcf4adbf 316 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 317
aee9b218 318 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
04124681 319 sizeof(rp));
a38528f1
JH		 320}
321
04124681
GP		 322static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
323 u16 data_len)
e70bb2e8
JH		 324{
325 struct mgmt_rp_read_commands *rp;
eb55ef07
MH		 326 const u16 num_commands = ARRAY_SIZE(mgmt_commands);
327 const u16 num_events = ARRAY_SIZE(mgmt_events);
2e3c35ea 328 __le16 *opcode;
e70bb2e8
JH		 329 size_t rp_size;
330 int i, err;
331
332 BT_DBG("sock %p", sk);
333
334 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
335
336 rp = kmalloc(rp_size, GFP_KERNEL);
337 if (!rp)
338 return -ENOMEM;
339
dcf4adbf
JP		 340 rp->num_commands = cpu_to_le16(num_commands);
341 rp->num_events = cpu_to_le16(num_events);
e70bb2e8
JH		 342
343 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
344 put_unaligned_le16(mgmt_commands[i], opcode);
345
346 for (i = 0; i < num_events; i++, opcode++)
347 put_unaligned_le16(mgmt_events[i], opcode);
348
aee9b218 349 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
04124681 350 rp_size);
e70bb2e8
JH		 351 kfree(rp);
352
353 return err;
354}
355
04124681
GP		 356static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
357 u16 data_len)
faba42eb 358{
faba42eb 359 struct mgmt_rp_read_index_list *rp;
8035ded4 360 struct hci_dev *d;
a38528f1 361 size_t rp_len;
faba42eb 362 u16 count;
476e44cb 363 int err;
faba42eb
JH		 364
365 BT_DBG("sock %p", sk);
366
367 read_lock(&hci_dev_list_lock);
368
369 count = 0;
bb4b2a9a 370 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a
MH		 371 if (d->dev_type == HCI_BREDR &&
372 !test_bit(HCI_UNCONFIGURED, &d->dev_flags))
1514b892 373 count++;
faba42eb
JH		 374 }
375
a38528f1
JH		 376 rp_len = sizeof(*rp) + (2 * count);
377 rp = kmalloc(rp_len, GFP_ATOMIC);
378 if (!rp) {
b2c60d42 379 read_unlock(&hci_dev_list_lock);
faba42eb 380 return -ENOMEM;
b2c60d42 381 }
faba42eb 382
476e44cb 383 count = 0;
8035ded4 384 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 385 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 386 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a 387 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
ab81cbf9
JH		 388 continue;
389
73d1df2a
MH		 390 /* Devices marked as raw-only are neither configured
391 * nor unconfigured controllers.
392 */
393 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 394 continue;
395
73d1df2a
MH		 396 if (d->dev_type == HCI_BREDR &&
397 !test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
1514b892
MH		 398 rp->index[count++] = cpu_to_le16(d->id);
399 BT_DBG("Added hci%u", d->id);
400 }
faba42eb
JH		 401 }
402
476e44cb
JH		 403 rp->num_controllers = cpu_to_le16(count);
404 rp_len = sizeof(*rp) + (2 * count);
405
faba42eb
JH		 406 read_unlock(&hci_dev_list_lock);
407
aee9b218 408 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
04124681 409 rp_len);
faba42eb 410
a38528f1
JH		 411 kfree(rp);
412
413 return err;
faba42eb
JH		 414}
415
73d1df2a
MH		 416static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
417 void *data, u16 data_len)
418{
419 struct mgmt_rp_read_unconf_index_list *rp;
420 struct hci_dev *d;
421 size_t rp_len;
422 u16 count;
423 int err;
424
425 BT_DBG("sock %p", sk);
426
427 read_lock(&hci_dev_list_lock);
428
429 count = 0;
430 list_for_each_entry(d, &hci_dev_list, list) {
431 if (d->dev_type == HCI_BREDR &&
432 test_bit(HCI_UNCONFIGURED, &d->dev_flags))
433 count++;
434 }
435
436 rp_len = sizeof(*rp) + (2 * count);
437 rp = kmalloc(rp_len, GFP_ATOMIC);
438 if (!rp) {
439 read_unlock(&hci_dev_list_lock);
440 return -ENOMEM;
441 }
442
443 count = 0;
444 list_for_each_entry(d, &hci_dev_list, list) {
445 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 446 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a
MH		 447 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
448 continue;
449
450 /* Devices marked as raw-only are neither configured
451 * nor unconfigured controllers.
452 */
453 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
454 continue;
455
456 if (d->dev_type == HCI_BREDR &&
457 test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
458 rp->index[count++] = cpu_to_le16(d->id);
459 BT_DBG("Added hci%u", d->id);
460 }
461 }
462
463 rp->num_controllers = cpu_to_le16(count);
464 rp_len = sizeof(*rp) + (2 * count);
465
466 read_unlock(&hci_dev_list_lock);
467
468 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_UNCONF_INDEX_LIST,
469 0, rp, rp_len);
470
471 kfree(rp);
472
473 return err;
474}
475
dbece37a
MH		 476static bool is_configured(struct hci_dev *hdev)
477{
478 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
479 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
480 return false;
481
482 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
483 !bacmp(&hdev->public_addr, BDADDR_ANY))
484 return false;
485
486 return true;
487}
488
89bc22d2
MH		 489static __le32 get_missing_options(struct hci_dev *hdev)
490{
491 u32 options = 0;
492
dbece37a
MH		 493 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
494 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
eb1904f4
MH		 495 options |= MGMT_OPTION_EXTERNAL_CONFIG;
496
89bc22d2
MH		 497 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
498 !bacmp(&hdev->public_addr, BDADDR_ANY))
499 options |= MGMT_OPTION_PUBLIC_ADDRESS;
500
501 return cpu_to_le32(options);
502}
503
f4537c04
MH		 504static int new_options(struct hci_dev *hdev, struct sock *skip)
505{
506 __le32 options = get_missing_options(hdev);
507
508 return mgmt_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
509 sizeof(options), skip);
510}
511
dbece37a
MH		 512static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
513{
514 __le32 options = get_missing_options(hdev);
515
516 return cmd_complete(sk, hdev->id, opcode, 0, &options,
517 sizeof(options));
518}
519
9fc3bfb6
MH		 520static int read_config_info(struct sock *sk, struct hci_dev *hdev,
521 void *data, u16 data_len)
522{
523 struct mgmt_rp_read_config_info rp;
89bc22d2 524 u32 options = 0;
9fc3bfb6
MH		 525
526 BT_DBG("sock %p %s", sk, hdev->name);
527
528 hci_dev_lock(hdev);
529
530 memset(&rp, 0, sizeof(rp));
531 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 532
eb1904f4
MH		 533 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
534 options |= MGMT_OPTION_EXTERNAL_CONFIG;
535
9fc3bfb6 536 if (hdev->set_bdaddr)
89bc22d2
MH		 537 options |= MGMT_OPTION_PUBLIC_ADDRESS;
538
539 rp.supported_options = cpu_to_le32(options);
540 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 541
542 hci_dev_unlock(hdev);
543
544 return cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, &rp,
545 sizeof(rp));
546}
547
69ab39ea
JH		 548static u32 get_supported_settings(struct hci_dev *hdev)
549{
550 u32 settings = 0;
551
552 settings |= MGMT_SETTING_POWERED;
b2939475 553 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 554 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 555 settings |= MGMT_SETTING_CONNECTABLE;
556 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 557
ed3fa31f 558 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 559 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
560 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 561 settings |= MGMT_SETTING_BREDR;
562 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 563
564 if (lmp_ssp_capable(hdev)) {
565 settings |= MGMT_SETTING_SSP;
566 settings |= MGMT_SETTING_HS;
567 }
e98d2ce2 568
5afeac14 569 if (lmp_sc_capable(hdev) ||
111902f7 570 test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
e98d2ce2 571 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 572 }
d7b7e796 573
eeca6f89 574 if (lmp_le_capable(hdev)) {
9d42820f 575 settings |= MGMT_SETTING_LE;
eeca6f89 576 settings |= MGMT_SETTING_ADVERTISING;
a3209694 577 settings |= MGMT_SETTING_SECURE_CONN;
0f4bd942 578 settings |= MGMT_SETTING_PRIVACY;
eeca6f89 579 }
69ab39ea 580
eb1904f4
MH		 581 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
582 hdev->set_bdaddr)
9fc3bfb6
MH		 583 settings |= MGMT_SETTING_CONFIGURATION;
584
69ab39ea
JH		 585 return settings;
586}
587
588static u32 get_current_settings(struct hci_dev *hdev)
589{
590 u32 settings = 0;
591
f1f0eb02 592 if (hdev_is_powered(hdev))
f0d4b78a
MH		 593 settings |= MGMT_SETTING_POWERED;
594
5e5282bb 595 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
69ab39ea
JH		 596 settings |= MGMT_SETTING_CONNECTABLE;
597
1a4d3c4b
JH		 598 if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
599 settings |= MGMT_SETTING_FAST_CONNECTABLE;
600
5e5282bb 601 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
69ab39ea
JH		 602 settings |= MGMT_SETTING_DISCOVERABLE;
603
b6ae8457 604 if (test_bit(HCI_BONDABLE, &hdev->dev_flags))
b2939475 605 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 606
56f87901 607 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 608 settings |= MGMT_SETTING_BREDR;
609
06199cf8 610 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 611 settings |= MGMT_SETTING_LE;
612
47990ea0 613 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
69ab39ea
JH		 614 settings |= MGMT_SETTING_LINK_SECURITY;
615
84bde9d6 616 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 617 settings |= MGMT_SETTING_SSP;
618
6d80dfd0
JH		 619 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
620 settings |= MGMT_SETTING_HS;
621
f3d3444a 622 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
eeca6f89
JH		 623 settings |= MGMT_SETTING_ADVERTISING;
624
e98d2ce2
MH		 625 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
626 settings |= MGMT_SETTING_SECURE_CONN;
627
0663b297 628 if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags))
b1de97d8
MH		 629 settings |= MGMT_SETTING_DEBUG_KEYS;
630
0f4bd942
JH		 631 if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
632 settings |= MGMT_SETTING_PRIVACY;
633
69ab39ea
JH		 634 return settings;
635}
636
ef580372
JH		 637#define PNP_INFO_SVCLASS_ID 0x1200
638
213202ed
JH		 639static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
640{
641 u8 *ptr = data, *uuids_start = NULL;
642 struct bt_uuid *uuid;
643
644 if (len < 4)
645 return ptr;
646
647 list_for_each_entry(uuid, &hdev->uuids, list) {
648 u16 uuid16;
649
650 if (uuid->size != 16)
651 continue;
652
653 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
654 if (uuid16 < 0x1100)
655 continue;
656
657 if (uuid16 == PNP_INFO_SVCLASS_ID)
658 continue;
659
660 if (!uuids_start) {
661 uuids_start = ptr;
662 uuids_start[0] = 1;
663 uuids_start[1] = EIR_UUID16_ALL;
664 ptr += 2;
665 }
666
667 /* Stop if not enough space to put next UUID */
668 if ((ptr - data) + sizeof(u16) > len) {
669 uuids_start[1] = EIR_UUID16_SOME;
670 break;
671 }
672
673 *ptr++ = (uuid16 & 0x00ff);
674 *ptr++ = (uuid16 & 0xff00) >> 8;
675 uuids_start[0] += sizeof(uuid16);
676 }
677
678 return ptr;
679}
680
cdf1963f
JH		 681static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
682{
683 u8 *ptr = data, *uuids_start = NULL;
684 struct bt_uuid *uuid;
685
686 if (len < 6)
687 return ptr;
688
689 list_for_each_entry(uuid, &hdev->uuids, list) {
690 if (uuid->size != 32)
691 continue;
692
693 if (!uuids_start) {
694 uuids_start = ptr;
695 uuids_start[0] = 1;
696 uuids_start[1] = EIR_UUID32_ALL;
697 ptr += 2;
698 }
699
700 /* Stop if not enough space to put next UUID */
701 if ((ptr - data) + sizeof(u32) > len) {
702 uuids_start[1] = EIR_UUID32_SOME;
703 break;
704 }
705
706 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
707 ptr += sizeof(u32);
708 uuids_start[0] += sizeof(u32);
709 }
710
711 return ptr;
712}
713
c00d575b
JH		 714static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
715{
716 u8 *ptr = data, *uuids_start = NULL;
717 struct bt_uuid *uuid;
718
719 if (len < 18)
720 return ptr;
721
722 list_for_each_entry(uuid, &hdev->uuids, list) {
723 if (uuid->size != 128)
724 continue;
725
726 if (!uuids_start) {
727 uuids_start = ptr;
728 uuids_start[0] = 1;
729 uuids_start[1] = EIR_UUID128_ALL;
730 ptr += 2;
731 }
732
733 /* Stop if not enough space to put next UUID */
734 if ((ptr - data) + 16 > len) {
735 uuids_start[1] = EIR_UUID128_SOME;
736 break;
737 }
738
739 memcpy(ptr, uuid->uuid, 16);
740 ptr += 16;
741 uuids_start[0] += 16;
742 }
743
744 return ptr;
745}
746
eb2a8d20
JH		 747static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
748{
749 struct pending_cmd *cmd;
750
751 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
752 if (cmd->opcode == opcode)
753 return cmd;
754 }
755
756 return NULL;
757}
758
95868426
JH		 759static struct pending_cmd *mgmt_pending_find_data(u16 opcode,
760 struct hci_dev *hdev,
761 const void *data)
762{
763 struct pending_cmd *cmd;
764
765 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
766 if (cmd->user_data != data)
767 continue;
768 if (cmd->opcode == opcode)
769 return cmd;
770 }
771
772 return NULL;
773}
774
f14d8f64
MH		 775static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
776{
7a5f4990
MH		 777 u8 ad_len = 0;
778 size_t name_len;
779
780 name_len = strlen(hdev->dev_name);
781 if (name_len > 0) {
782 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
783
784 if (name_len > max_len) {
785 name_len = max_len;
786 ptr[1] = EIR_NAME_SHORT;
787 } else
788 ptr[1] = EIR_NAME_COMPLETE;
789
790 ptr[0] = name_len + 1;
791
792 memcpy(ptr + 2, hdev->dev_name, name_len);
793
794 ad_len += (name_len + 2);
795 ptr += (name_len + 2);
796 }
797
798 return ad_len;
f14d8f64
MH		 799}
800
801static void update_scan_rsp_data(struct hci_request *req)
802{
803 struct hci_dev *hdev = req->hdev;
804 struct hci_cp_le_set_scan_rsp_data cp;
805 u8 len;
806
7751ef1b 807 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
f14d8f64
MH		 808 return;
809
810 memset(&cp, 0, sizeof(cp));
811
812 len = create_scan_rsp_data(hdev, cp.data);
813
eb438b5f
JH		 814 if (hdev->scan_rsp_data_len == len &&
815 memcmp(cp.data, hdev->scan_rsp_data, len) == 0)
f14d8f64
MH		 816 return;
817
eb438b5f
JH		 818 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
819 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 820
821 cp.length = len;
822
823 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
824}
825
9a43e25f
JH		 826static u8 get_adv_discov_flags(struct hci_dev *hdev)
827{
828 struct pending_cmd *cmd;
829
830 /* If there's a pending mgmt command the flags will not yet have
831 * their final values, so check for this first.
832 */
833 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
834 if (cmd) {
835 struct mgmt_mode *cp = cmd->param;
836 if (cp->val == 0x01)
837 return LE_AD_GENERAL;
838 else if (cp->val == 0x02)
839 return LE_AD_LIMITED;
840 } else {
841 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
842 return LE_AD_LIMITED;
843 else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
844 return LE_AD_GENERAL;
845 }
846
847 return 0;
848}
849
46cad2ed 850static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr)
441ad2d0
MH		 851{
852 u8 ad_len = 0, flags = 0;
441ad2d0 853
9a43e25f 854 flags |= get_adv_discov_flags(hdev);
441ad2d0 855
e834004b 856 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
441ad2d0 857 flags |= LE_AD_NO_BREDR;
441ad2d0
MH		 858
859 if (flags) {
860 BT_DBG("adv flags 0x%02x", flags);
861
862 ptr[0] = 2;
863 ptr[1] = EIR_FLAGS;
864 ptr[2] = flags;
865
866 ad_len += 3;
867 ptr += 3;
868 }
869
870 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
871 ptr[0] = 2;
872 ptr[1] = EIR_TX_POWER;
873 ptr[2] = (u8) hdev->adv_tx_power;
874
875 ad_len += 3;
876 ptr += 3;
877 }
878
441ad2d0
MH		 879 return ad_len;
880}
881
5947f4bc 882static void update_adv_data(struct hci_request *req)
441ad2d0
MH		 883{
884 struct hci_dev *hdev = req->hdev;
885 struct hci_cp_le_set_adv_data cp;
886 u8 len;
887
10994ce6 888 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
441ad2d0
MH		 889 return;
890
891 memset(&cp, 0, sizeof(cp));
892
46cad2ed 893 len = create_adv_data(hdev, cp.data);
441ad2d0
MH		 894
895 if (hdev->adv_data_len == len &&
896 memcmp(cp.data, hdev->adv_data, len) == 0)
897 return;
898
899 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
900 hdev->adv_data_len = len;
901
902 cp.length = len;
903
904 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
905}
906
bc6d2d04
JH		 907int mgmt_update_adv_data(struct hci_dev *hdev)
908{
909 struct hci_request req;
910
911 hci_req_init(&req, hdev);
912 update_adv_data(&req);
913
914 return hci_req_run(&req, NULL);
915}
916
ef580372
JH		 917static void create_eir(struct hci_dev *hdev, u8 *data)
918{
919 u8 *ptr = data;
ef580372
JH		 920 size_t name_len;
921
922 name_len = strlen(hdev->dev_name);
923
924 if (name_len > 0) {
925 /* EIR Data type */
926 if (name_len > 48) {
927 name_len = 48;
928 ptr[1] = EIR_NAME_SHORT;
929 } else
930 ptr[1] = EIR_NAME_COMPLETE;
931
932 /* EIR Data length */
933 ptr[0] = name_len + 1;
934
935 memcpy(ptr + 2, hdev->dev_name, name_len);
936
ef580372
JH		 937 ptr += (name_len + 2);
938 }
939
bbaf444a 940 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 941 ptr[0] = 2;
942 ptr[1] = EIR_TX_POWER;
943 ptr[2] = (u8) hdev->inq_tx_power;
944
91c4e9b1
MH		 945 ptr += 3;
946 }
947
2b9be137
MH		 948 if (hdev->devid_source > 0) {
949 ptr[0] = 9;
950 ptr[1] = EIR_DEVICE_ID;
951
952 put_unaligned_le16(hdev->devid_source, ptr + 2);
953 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
954 put_unaligned_le16(hdev->devid_product, ptr + 6);
955 put_unaligned_le16(hdev->devid_version, ptr + 8);
956
2b9be137
MH		 957 ptr += 10;
958 }
959
213202ed 960 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 961 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 962 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 963}
964
890ea898 965static void update_eir(struct hci_request *req)
ef580372 966{
890ea898 967 struct hci_dev *hdev = req->hdev;
ef580372
JH		 968 struct hci_cp_write_eir cp;
969
504c8dcd 970 if (!hdev_is_powered(hdev))
890ea898 971 return;
7770c4aa 972
976eb20e 973 if (!lmp_ext_inq_capable(hdev))
890ea898 974 return;
ef580372 975
84bde9d6 976 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 977 return;
ef580372 978
a8b2d5c2 979 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 980 return;
ef580372
JH		 981
982 memset(&cp, 0, sizeof(cp));
983
984 create_eir(hdev, cp.data);
985
986 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 987 return;
ef580372
JH		 988
989 memcpy(hdev->eir, cp.data, sizeof(cp.data));
990
890ea898 991 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 992}
993
994static u8 get_service_classes(struct hci_dev *hdev)
995{
996 struct bt_uuid *uuid;
997 u8 val = 0;
998
999 list_for_each_entry(uuid, &hdev->uuids, list)
1000 val |= uuid->svc_hint;
1001
1002 return val;
1003}
1004
890ea898 1005static void update_class(struct hci_request *req)
ef580372 1006{
890ea898 1007 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1008 u8 cod[3];
1009
1010 BT_DBG("%s", hdev->name);
1011
504c8dcd 1012 if (!hdev_is_powered(hdev))
890ea898 1013 return;
7770c4aa 1014
f87ea1da
JH		 1015 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1016 return;
1017
a8b2d5c2 1018 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 1019 return;
ef580372
JH		 1020
1021 cod[0] = hdev->minor_class;
1022 cod[1] = hdev->major_class;
1023 cod[2] = get_service_classes(hdev);
1024
6acd7db4
MH		 1025 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
1026 cod[1] |= 0x20;
1027
ef580372 1028 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1029 return;
ef580372 1030
890ea898 1031 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1032}
1033
a4858cb9 1034static bool get_connectable(struct hci_dev *hdev)
199a2fb1
JH		 1035{
1036 struct pending_cmd *cmd;
199a2fb1
JH		 1037
1038 /* If there's a pending mgmt command the flag will not yet have
1039 * it's final value, so check for this first.
1040 */
1041 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1042 if (cmd) {
1043 struct mgmt_mode *cp = cmd->param;
a4858cb9 1044 return cp->val;
199a2fb1
JH		 1045 }
1046
a4858cb9 1047 return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
199a2fb1
JH		 1048}
1049
0ec5ae84
JH		 1050static void disable_advertising(struct hci_request *req)
1051{
1052 u8 enable = 0x00;
1053
1054 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1055}
1056
199a2fb1
JH		 1057static void enable_advertising(struct hci_request *req)
1058{
1059 struct hci_dev *hdev = req->hdev;
1060 struct hci_cp_le_set_adv_param cp;
8f2a0601 1061 u8 own_addr_type, enable = 0x01;
a4858cb9 1062 bool connectable;
199a2fb1 1063
0ec5ae84
JH		 1064 if (hci_conn_num(hdev, LE_LINK) > 0)
1065 return;
1066
1067 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
1068 disable_advertising(req);
1069
5ce194c4 1070 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1071 * hci_update_random_address knows that it's safe to go ahead
1072 * and write a new random address. The flag will be set back on
1073 * as soon as the SET_ADV_ENABLE HCI command completes.
1074 */
5ce194c4 1075 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
8d97250e 1076
a4858cb9 1077 connectable = get_connectable(hdev);
8f2a0601 1078
a4858cb9
JH		 1079 /* Set require_privacy to true only when non-connectable
1080 * advertising is used. In that case it is fine to use a
1081 * non-resolvable private address.
1082 */
1083 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1084 return;
1085
41c90c18 1086 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1087 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1088 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
a4858cb9 1089 cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
8f2a0601 1090 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1091 cp.channel_map = hdev->le_adv_channel_map;
1092
1093 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1094
1095 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1096}
1097
7d78525d
JH		 1098static void service_cache_off(struct work_struct *work)
1099{
1100 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1101 service_cache.work);
890ea898 1102 struct hci_request req;
7d78525d 1103
a8b2d5c2 1104 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
7d78525d
JH		 1105 return;
1106
890ea898
JH		 1107 hci_req_init(&req, hdev);
1108
7d78525d
JH		 1109 hci_dev_lock(hdev);
1110
890ea898
JH		 1111 update_eir(&req);
1112 update_class(&req);
7d78525d
JH		 1113
1114 hci_dev_unlock(hdev);
890ea898
JH		 1115
1116 hci_req_run(&req, NULL);
7d78525d
JH		 1117}
1118
d6bfd59c
JH		 1119static void rpa_expired(struct work_struct *work)
1120{
1121 struct hci_dev *hdev = container_of(work, struct hci_dev,
1122 rpa_expired.work);
1123 struct hci_request req;
1124
1125 BT_DBG("");
1126
1127 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
1128
0ec5ae84 1129 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
d6bfd59c
JH		 1130 return;
1131
1132 /* The generation of a new RPA and programming it into the
1133 * controller happens in the enable_advertising() function.
1134 */
d6bfd59c 1135 hci_req_init(&req, hdev);
d6bfd59c 1136 enable_advertising(&req);
d6bfd59c
JH		 1137 hci_req_run(&req, NULL);
1138}
1139
6a919082 1140static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1141{
4f87da80 1142 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
6a919082
JH		 1143 return;
1144
4f87da80 1145 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1146 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1147
4f87da80
JH		 1148 /* Non-mgmt controlled devices get this bit set
1149 * implicitly so that pairing works for them, however
1150 * for mgmt we require user-space to explicitly enable
1151 * it
1152 */
b6ae8457 1153 clear_bit(HCI_BONDABLE, &hdev->dev_flags);
7d78525d
JH		 1154}
1155
0f4e68cf 1156static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1157 void *data, u16 data_len)
0381101f 1158{
a38528f1 1159 struct mgmt_rp_read_info rp;
f7b64e69 1160
bdb6d971 1161 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1162
09fd0de5 1163 hci_dev_lock(hdev);
f7b64e69 1164
dc4fe30b
JH		 1165 memset(&rp, 0, sizeof(rp));
1166
69ab39ea 1167 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1168
69ab39ea 1169 rp.version = hdev->hci_ver;
eb55ef07 1170 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1171
1172 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1173 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1174
a38528f1 1175 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1176
dc4fe30b 1177 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1178 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1179
09fd0de5 1180 hci_dev_unlock(hdev);
0381101f 1181
bdb6d971 1182 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
04124681 1183 sizeof(rp));
0381101f
JH		 1184}
1185
eec8d2bc
JH		 1186static void mgmt_pending_free(struct pending_cmd *cmd)
1187{
1188 sock_put(cmd->sk);
c68fb7ff 1189 kfree(cmd->param);
eec8d2bc
JH		 1190 kfree(cmd);
1191}
1192
366a0336 1193static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
04124681
GP		 1194 struct hci_dev *hdev, void *data,
1195 u16 len)
eec8d2bc
JH		 1196{
1197 struct pending_cmd *cmd;
1198
fca20018 1199 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
eec8d2bc 1200 if (!cmd)
366a0336 1201 return NULL;
eec8d2bc
JH		 1202
1203 cmd->opcode = opcode;
2e58ef3e 1204 cmd->index = hdev->id;
eec8d2bc 1205
12b94565 1206 cmd->param = kmalloc(len, GFP_KERNEL);
c68fb7ff 1207 if (!cmd->param) {
eec8d2bc 1208 kfree(cmd);
366a0336 1209 return NULL;
eec8d2bc
JH		 1210 }
1211
8fce6357
SJ		 1212 if (data)
1213 memcpy(cmd->param, data, len);
eec8d2bc
JH		 1214
1215 cmd->sk = sk;
1216 sock_hold(sk);
1217
2e58ef3e 1218 list_add(&cmd->list, &hdev->mgmt_pending);
eec8d2bc 1219
366a0336 1220 return cmd;
eec8d2bc
JH		 1221}
1222
744cf19e 1223static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
8fc9ced3
GP		 1224 void (*cb)(struct pending_cmd *cmd,
1225 void *data),
04124681 1226 void *data)
eec8d2bc 1227{
a3d09356 1228 struct pending_cmd *cmd, *tmp;
eec8d2bc 1229
a3d09356 1230 list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
b24752fe 1231 if (opcode > 0 && cmd->opcode != opcode)
eec8d2bc
JH		 1232 continue;
1233
eec8d2bc
JH		 1234 cb(cmd, data);
1235 }
1236}
1237
a664b5bc 1238static void mgmt_pending_remove(struct pending_cmd *cmd)
73f22f62 1239{
73f22f62
JH		 1240 list_del(&cmd->list);
1241 mgmt_pending_free(cmd);
1242}
1243
69ab39ea 1244static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1245{
69ab39ea 1246 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1247
aee9b218 1248 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
04124681 1249 sizeof(settings));
8680570b
JH		 1250}
1251
8b064a3a
JH		 1252static void clean_up_hci_complete(struct hci_dev *hdev, u8 status)
1253{
1254 BT_DBG("%s status 0x%02x", hdev->name, status);
1255
a3172b7e
JH		 1256 if (hci_conn_count(hdev) == 0) {
1257 cancel_delayed_work(&hdev->power_off);
8b064a3a 1258 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1259 }
8b064a3a
JH		 1260}
1261
23a48093 1262static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1263{
1264 struct hci_dev *hdev = req->hdev;
1265 struct hci_cp_remote_name_req_cancel cp;
1266 struct inquiry_entry *e;
1267
1268 switch (hdev->discovery.state) {
1269 case DISCOVERY_FINDING:
1270 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
1271 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1272 } else {
1273 cancel_delayed_work(&hdev->le_scan_disable);
1274 hci_req_add_le_scan_disable(req);
1275 }
1276
23a48093 1277 return true;
21a60d30
JH		 1278
1279 case DISCOVERY_RESOLVING:
1280 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1281 NAME_PENDING);
1282 if (!e)
23a48093 1283 break;
21a60d30
JH		 1284
1285 bacpy(&cp.bdaddr, &e->data.bdaddr);
1286 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1287 &cp);
1288
23a48093 1289 return true;
21a60d30
JH		 1290
1291 default:
1292 /* Passive scanning */
23a48093 1293 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
21a60d30 1294 hci_req_add_le_scan_disable(req);
23a48093
JH		 1295 return true;
1296 }
1297
21a60d30
JH		 1298 break;
1299 }
23a48093
JH		 1300
1301 return false;
21a60d30
JH		 1302}
1303
8b064a3a
JH		 1304static int clean_up_hci_state(struct hci_dev *hdev)
1305{
1306 struct hci_request req;
1307 struct hci_conn *conn;
23a48093
JH		 1308 bool discov_stopped;
1309 int err;
8b064a3a
JH		 1310
1311 hci_req_init(&req, hdev);
1312
1313 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1314 test_bit(HCI_PSCAN, &hdev->flags)) {
1315 u8 scan = 0x00;
1316 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1317 }
1318
73e082f8 1319 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
8b064a3a
JH		 1320 disable_advertising(&req);
1321
23a48093 1322 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1323
1324 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1325 struct hci_cp_disconnect dc;
c9910d0f
JH		 1326 struct hci_cp_reject_conn_req rej;
1327
1328 switch (conn->state) {
1329 case BT_CONNECTED:
1330 case BT_CONFIG:
1331 dc.handle = cpu_to_le16(conn->handle);
1332 dc.reason = 0x15; /* Terminated due to Power Off */
1333 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1334 break;
1335 case BT_CONNECT:
1336 if (conn->type == LE_LINK)
1337 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1338 0, NULL);
1339 else if (conn->type == ACL_LINK)
1340 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1341 6, &conn->dst);
1342 break;
1343 case BT_CONNECT2:
1344 bacpy(&rej.bdaddr, &conn->dst);
1345 rej.reason = 0x15; /* Terminated due to Power Off */
1346 if (conn->type == ACL_LINK)
1347 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1348 sizeof(rej), &rej);
1349 else if (conn->type == SCO_LINK)
1350 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1351 sizeof(rej), &rej);
1352 break;
1353 }
8b064a3a
JH		 1354 }
1355
23a48093
JH		 1356 err = hci_req_run(&req, clean_up_hci_complete);
1357 if (!err && discov_stopped)
1358 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1359
1360 return err;
8b064a3a
JH		 1361}
1362
bdb6d971 1363static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1364 u16 len)
eec8d2bc 1365{
650f726d 1366 struct mgmt_mode *cp = data;
366a0336 1367 struct pending_cmd *cmd;
4b34ee78 1368 int err;
eec8d2bc 1369
bdb6d971 1370 BT_DBG("request for %s", hdev->name);
eec8d2bc 1371
a7e80f25
JH		 1372 if (cp->val != 0x00 && cp->val != 0x01)
1373 return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1374 MGMT_STATUS_INVALID_PARAMS);
1375
09fd0de5 1376 hci_dev_lock(hdev);
eec8d2bc 1377
87b95ba6
JH		 1378 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
1379 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1380 MGMT_STATUS_BUSY);
1381 goto failed;
1382 }
1383
f0d4b78a
MH		 1384 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
1385 cancel_delayed_work(&hdev->power_off);
1386
1387 if (cp->val) {
a1d70450
JH		 1388 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1389 data, len);
1390 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1391 goto failed;
1392 }
1393 }
1394
4b34ee78 1395 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1396 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1397 goto failed;
1398 }
1399
2e58ef3e 1400 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1401 if (!cmd) {
1402 err = -ENOMEM;
eec8d2bc 1403 goto failed;
366a0336 1404 }
eec8d2bc 1405
8b064a3a 1406 if (cp->val) {
19202573 1407 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1408 err = 0;
1409 } else {
1410 /* Disconnect connections, stop scans, etc */
1411 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1412 if (!err)
1413 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1414 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1415
8b064a3a
JH		 1416 /* ENODATA means there were no HCI commands queued */
1417 if (err == -ENODATA) {
a3172b7e 1418 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1419 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1420 err = 0;
1421 }
1422 }
eec8d2bc
JH		 1423
1424failed:
09fd0de5 1425 hci_dev_unlock(hdev);
366a0336 1426 return err;
eec8d2bc
JH		 1427}
1428
beadb2bd
JH		 1429static int new_settings(struct hci_dev *hdev, struct sock *skip)
1430{
1431 __le32 ev;
1432
1433 ev = cpu_to_le32(get_current_settings(hdev));
1434
1435 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
1436}
1437
91a668b0
JH		 1438int mgmt_new_settings(struct hci_dev *hdev)
1439{
1440 return new_settings(hdev, NULL);
1441}
1442
bd99abdd
JH		 1443struct cmd_lookup {
1444 struct sock *sk;
1445 struct hci_dev *hdev;
1446 u8 mgmt_status;
1447};
1448
1449static void settings_rsp(struct pending_cmd *cmd, void *data)
1450{
1451 struct cmd_lookup *match = data;
1452
1453 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1454
1455 list_del(&cmd->list);
1456
1457 if (match->sk == NULL) {
1458 match->sk = cmd->sk;
1459 sock_hold(match->sk);
1460 }
1461
1462 mgmt_pending_free(cmd);
1463}
1464
1465static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
1466{
1467 u8 *status = data;
1468
1469 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1470 mgmt_pending_remove(cmd);
1471}
1472
e6fe7986
JH		 1473static u8 mgmt_bredr_support(struct hci_dev *hdev)
1474{
1475 if (!lmp_bredr_capable(hdev))
1476 return MGMT_STATUS_NOT_SUPPORTED;
1477 else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1478 return MGMT_STATUS_REJECTED;
1479 else
1480 return MGMT_STATUS_SUCCESS;
1481}
1482
1483static u8 mgmt_le_support(struct hci_dev *hdev)
1484{
1485 if (!lmp_le_capable(hdev))
1486 return MGMT_STATUS_NOT_SUPPORTED;
1487 else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
1488 return MGMT_STATUS_REJECTED;
1489 else
1490 return MGMT_STATUS_SUCCESS;
1491}
1492
bfaf8c9f
JH		 1493static void set_discoverable_complete(struct hci_dev *hdev, u8 status)
1494{
1495 struct pending_cmd *cmd;
1496 struct mgmt_mode *cp;
970ba524 1497 struct hci_request req;
bfaf8c9f
JH		 1498 bool changed;
1499
1500 BT_DBG("status 0x%02x", status);
1501
1502 hci_dev_lock(hdev);
1503
1504 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1505 if (!cmd)
1506 goto unlock;
1507
1508 if (status) {
1509 u8 mgmt_err = mgmt_status(status);
1510 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
310a3d48 1511 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
bfaf8c9f
JH		 1512 goto remove_cmd;
1513 }
1514
1515 cp = cmd->param;
d4462a07 1516 if (cp->val) {
bfaf8c9f
JH		 1517 changed = !test_and_set_bit(HCI_DISCOVERABLE,
1518 &hdev->dev_flags);
d4462a07
MH		 1519
1520 if (hdev->discov_timeout > 0) {
1521 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1522 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1523 to);
1524 }
1525 } else {
bfaf8c9f
JH		 1526 changed = test_and_clear_bit(HCI_DISCOVERABLE,
1527 &hdev->dev_flags);
d4462a07 1528 }
bfaf8c9f
JH		 1529
1530 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1531
1532 if (changed)
1533 new_settings(hdev, cmd->sk);
1534
970ba524
MH		 1535 /* When the discoverable mode gets changed, make sure
1536 * that class of device has the limited discoverable
432df05e
JH		 1537 * bit correctly set. Also update page scan based on whitelist
1538 * entries.
970ba524
MH		 1539 */
1540 hci_req_init(&req, hdev);
432df05e 1541 hci_update_page_scan(hdev, &req);
970ba524
MH		 1542 update_class(&req);
1543 hci_req_run(&req, NULL);
1544
bfaf8c9f
JH		 1545remove_cmd:
1546 mgmt_pending_remove(cmd);
1547
1548unlock:
1549 hci_dev_unlock(hdev);
1550}
1551
bdb6d971 1552static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1553 u16 len)
73f22f62 1554{
650f726d 1555 struct mgmt_cp_set_discoverable *cp = data;
366a0336 1556 struct pending_cmd *cmd;
bfaf8c9f 1557 struct hci_request req;
5e5282bb 1558 u16 timeout;
9a43e25f 1559 u8 scan;
73f22f62
JH		 1560 int err;
1561
bdb6d971 1562 BT_DBG("request for %s", hdev->name);
73f22f62 1563
9a43e25f
JH		 1564 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1565 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1566 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
9a43e25f 1567 MGMT_STATUS_REJECTED);
33c525c0 1568
310a3d48 1569 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a7e80f25
JH		 1570 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1571 MGMT_STATUS_INVALID_PARAMS);
1572
1f350c87 1573 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1574
1575 /* Disabling discoverable requires that no timeout is set,
1576 * and enabling limited discoverable requires a timeout.
1577 */
1578 if ((cp->val == 0x00 && timeout > 0) ||
1579 (cp->val == 0x02 && timeout == 0))
bdb6d971 1580 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1581 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1582
09fd0de5 1583 hci_dev_lock(hdev);
73f22f62 1584
5e5282bb 1585 if (!hdev_is_powered(hdev) && timeout > 0) {
bdb6d971 1586 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1587 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1588 goto failed;
1589 }
1590
2e58ef3e 1591 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1592 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1593 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1594 MGMT_STATUS_BUSY);
73f22f62
JH		 1595 goto failed;
1596 }
1597
5e5282bb 1598 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
bdb6d971 1599 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1600 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1601 goto failed;
1602 }
1603
1604 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1605 bool changed = false;
1606
310a3d48
MH		 1607 /* Setting limited discoverable when powered off is
1608 * not a valid operation since it requires a timeout
1609 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1610 */
0224d2fa
JH		 1611 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
1612 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1613 changed = true;
1614 }
1615
5e5282bb 1616 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1617 if (err < 0)
1618 goto failed;
1619
1620 if (changed)
1621 err = new_settings(hdev, sk);
1622
5e5282bb
JH		 1623 goto failed;
1624 }
1625
310a3d48
MH		 1626 /* If the current mode is the same, then just update the timeout
1627 * value with the new value. And if only the timeout gets updated,
1628 * then no need for any HCI transactions.
1629 */
1630 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) &&
1631 (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE,
1632 &hdev->dev_flags)) {
36261547
MH		 1633 cancel_delayed_work(&hdev->discov_off);
1634 hdev->discov_timeout = timeout;
955638ec 1635
36261547
MH		 1636 if (cp->val && hdev->discov_timeout > 0) {
1637 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1638 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1639 to);
955638ec
MH		 1640 }
1641
69ab39ea 1642 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1643 goto failed;
1644 }
1645
2e58ef3e 1646 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1647 if (!cmd) {
1648 err = -ENOMEM;
73f22f62 1649 goto failed;
366a0336 1650 }
73f22f62 1651
310a3d48
MH		 1652 /* Cancel any potential discoverable timeout that might be
1653 * still active and store new timeout value. The arming of
1654 * the timeout happens in the complete handler.
1655 */
1656 cancel_delayed_work(&hdev->discov_off);
1657 hdev->discov_timeout = timeout;
1658
b456f87c
JH		 1659 /* Limited discoverable mode */
1660 if (cp->val == 0x02)
1661 set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1662 else
1663 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1664
bfaf8c9f
JH		 1665 hci_req_init(&req, hdev);
1666
9a43e25f
JH		 1667 /* The procedure for LE-only controllers is much simpler - just
1668 * update the advertising data.
1669 */
1670 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1671 goto update_ad;
1672
73f22f62
JH		 1673 scan = SCAN_PAGE;
1674
310a3d48
MH		 1675 if (cp->val) {
1676 struct hci_cp_write_current_iac_lap hci_cp;
1677
1678 if (cp->val == 0x02) {
1679 /* Limited discoverable mode */
33337dcb 1680 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1681 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1682 hci_cp.iac_lap[1] = 0x8b;
1683 hci_cp.iac_lap[2] = 0x9e;
1684 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1685 hci_cp.iac_lap[4] = 0x8b;
1686 hci_cp.iac_lap[5] = 0x9e;
1687 } else {
1688 /* General discoverable mode */
310a3d48
MH		 1689 hci_cp.num_iac = 1;
1690 hci_cp.iac_lap[0] = 0x33; /* GIAC */
1691 hci_cp.iac_lap[1] = 0x8b;
1692 hci_cp.iac_lap[2] = 0x9e;
1693 }
1694
1695 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
1696 (hci_cp.num_iac * 3) + 1, &hci_cp);
1697
73f22f62 1698 scan |= SCAN_INQUIRY;
310a3d48
MH		 1699 } else {
1700 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1701 }
73f22f62 1702
310a3d48 1703 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 1704
9a43e25f
JH		 1705update_ad:
1706 update_adv_data(&req);
1707
bfaf8c9f 1708 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 1709 if (err < 0)
a664b5bc 1710 mgmt_pending_remove(cmd);
73f22f62
JH		 1711
1712failed:
09fd0de5 1713 hci_dev_unlock(hdev);
73f22f62
JH		 1714 return err;
1715}
1716
406d7804
JH		 1717static void write_fast_connectable(struct hci_request *req, bool enable)
1718{
bd98b996 1719 struct hci_dev *hdev = req->hdev;
406d7804
JH		 1720 struct hci_cp_write_page_scan_activity acp;
1721 u8 type;
1722
547003b1
JH		 1723 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1724 return;
1725
4c01f8b8
JH		 1726 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
1727 return;
1728
406d7804
JH		 1729 if (enable) {
1730 type = PAGE_SCAN_TYPE_INTERLACED;
1731
1732 /* 160 msec page scan interval */
dcf4adbf 1733 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 1734 } else {
1735 type = PAGE_SCAN_TYPE_STANDARD; /* default */
1736
1737 /* default 1.28 sec page scan */
dcf4adbf 1738 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 1739 }
1740
dcf4adbf 1741 acp.window = cpu_to_le16(0x0012);
406d7804 1742
bd98b996
JH		 1743 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
1744 __cpu_to_le16(hdev->page_scan_window) != acp.window)
1745 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
1746 sizeof(acp), &acp);
1747
1748 if (hdev->page_scan_type != type)
1749 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 1750}
1751
2b76f453
JH		 1752static void set_connectable_complete(struct hci_dev *hdev, u8 status)
1753{
1754 struct pending_cmd *cmd;
d7b856f9 1755 struct mgmt_mode *cp;
bc6d2d04 1756 bool conn_changed, discov_changed;
2b76f453
JH		 1757
1758 BT_DBG("status 0x%02x", status);
1759
1760 hci_dev_lock(hdev);
1761
1762 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1763 if (!cmd)
1764 goto unlock;
1765
37438c1f
JH		 1766 if (status) {
1767 u8 mgmt_err = mgmt_status(status);
1768 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1769 goto remove_cmd;
1770 }
1771
d7b856f9 1772 cp = cmd->param;
bc6d2d04
JH		 1773 if (cp->val) {
1774 conn_changed = !test_and_set_bit(HCI_CONNECTABLE,
1775 &hdev->dev_flags);
1776 discov_changed = false;
1777 } else {
1778 conn_changed = test_and_clear_bit(HCI_CONNECTABLE,
1779 &hdev->dev_flags);
1780 discov_changed = test_and_clear_bit(HCI_DISCOVERABLE,
1781 &hdev->dev_flags);
1782 }
d7b856f9 1783
2b76f453
JH		 1784 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1785
bc6d2d04 1786 if (conn_changed || discov_changed) {
d7b856f9 1787 new_settings(hdev, cmd->sk);
432df05e 1788 hci_update_page_scan(hdev, NULL);
bc6d2d04
JH		 1789 if (discov_changed)
1790 mgmt_update_adv_data(hdev);
2b7be33e
JH		 1791 hci_update_background_scan(hdev);
1792 }
d7b856f9 1793
37438c1f 1794remove_cmd:
2b76f453
JH		 1795 mgmt_pending_remove(cmd);
1796
1797unlock:
1798 hci_dev_unlock(hdev);
1799}
1800
e8ba3a1f
JH		 1801static int set_connectable_update_settings(struct hci_dev *hdev,
1802 struct sock *sk, u8 val)
1803{
1804 bool changed = false;
1805 int err;
1806
1807 if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
1808 changed = true;
1809
1810 if (val) {
1811 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1812 } else {
1813 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1814 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1815 }
1816
1817 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1818 if (err < 0)
1819 return err;
1820
562064e6 1821 if (changed) {
432df05e 1822 hci_update_page_scan(hdev, NULL);
562064e6 1823 hci_update_background_scan(hdev);
e8ba3a1f 1824 return new_settings(hdev, sk);
562064e6 1825 }
e8ba3a1f
JH		 1826
1827 return 0;
1828}
1829
bdb6d971 1830static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1831 u16 len)
9fbcbb45 1832{
650f726d 1833 struct mgmt_mode *cp = data;
366a0336 1834 struct pending_cmd *cmd;
2b76f453 1835 struct hci_request req;
1987fdc7 1836 u8 scan;
9fbcbb45
JH		 1837 int err;
1838
bdb6d971 1839 BT_DBG("request for %s", hdev->name);
9fbcbb45 1840
1987fdc7
JH		 1841 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1842 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1843 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1987fdc7 1844 MGMT_STATUS_REJECTED);
33c525c0 1845
a7e80f25
JH		 1846 if (cp->val != 0x00 && cp->val != 0x01)
1847 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1848 MGMT_STATUS_INVALID_PARAMS);
1849
09fd0de5 1850 hci_dev_lock(hdev);
9fbcbb45 1851
4b34ee78 1852 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1853 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1854 goto failed;
1855 }
1856
2e58ef3e 1857 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1858 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1859 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
04124681 1860 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1861 goto failed;
1862 }
1863
2e58ef3e 1864 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1865 if (!cmd) {
1866 err = -ENOMEM;
9fbcbb45 1867 goto failed;
366a0336 1868 }
9fbcbb45 1869
9b74246f 1870 hci_req_init(&req, hdev);
9fbcbb45 1871
9a43e25f
JH		 1872 /* If BR/EDR is not enabled and we disable advertising as a
1873 * by-product of disabling connectable, we need to update the
1874 * advertising flags.
1875 */
1876 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
1877 if (!cp->val) {
1878 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1879 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1880 }
1881 update_adv_data(&req);
1882 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 1883 if (cp->val) {
1884 scan = SCAN_PAGE;
1885 } else {
3bd27240
JH		 1886 /* If we don't have any whitelist entries just
1887 * disable all scanning. If there are entries
1888 * and we had both page and inquiry scanning
1889 * enabled then fall back to only page scanning.
1890 * Otherwise no changes are needed.
1891 */
1892 if (list_empty(&hdev->whitelist))
1893 scan = SCAN_DISABLED;
1894 else if (test_bit(HCI_ISCAN, &hdev->flags))
1895 scan = SCAN_PAGE;
1896 else
1897 goto no_scan_update;
9b74246f
JH		 1898
1899 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 1900 hdev->discov_timeout > 0)
9b74246f
JH		 1901 cancel_delayed_work(&hdev->discov_off);
1902 }
2b76f453 1903
9b74246f
JH		 1904 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1905 }
2b76f453 1906
3bd27240 1907no_scan_update:
4c01f8b8
JH		 1908 /* If we're going from non-connectable to connectable or
1909 * vice-versa when fast connectable is enabled ensure that fast
1910 * connectable gets disabled. write_fast_connectable won't do
1911 * anything if the page scan parameters are already what they
1912 * should be.
1913 */
1914 if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
e36a3769
JH		 1915 write_fast_connectable(&req, false);
1916
e8b1202c
JH		 1917 /* Update the advertising parameters if necessary */
1918 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
1987fdc7 1919 enable_advertising(&req);
1987fdc7 1920
2b76f453 1921 err = hci_req_run(&req, set_connectable_complete);
9b74246f 1922 if (err < 0) {
a664b5bc 1923 mgmt_pending_remove(cmd);
9b74246f 1924 if (err == -ENODATA)
a81070ba
JH		 1925 err = set_connectable_update_settings(hdev, sk,
1926 cp->val);
9b74246f
JH		 1927 goto failed;
1928 }
9fbcbb45
JH		 1929
1930failed:
09fd0de5 1931 hci_dev_unlock(hdev);
9fbcbb45
JH		 1932 return err;
1933}
1934
b2939475 1935static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1936 u16 len)
c542a06c 1937{
650f726d 1938 struct mgmt_mode *cp = data;
55594356 1939 bool changed;
c542a06c
JH		 1940 int err;
1941
bdb6d971 1942 BT_DBG("request for %s", hdev->name);
c542a06c 1943
a7e80f25 1944 if (cp->val != 0x00 && cp->val != 0x01)
b2939475 1945 return cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
a7e80f25
JH		 1946 MGMT_STATUS_INVALID_PARAMS);
1947
09fd0de5 1948 hci_dev_lock(hdev);
c542a06c
JH		 1949
1950 if (cp->val)
b6ae8457 1951 changed = !test_and_set_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1952 else
b6ae8457 1953 changed = test_and_clear_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1954
b2939475 1955 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 1956 if (err < 0)
55594356 1957 goto unlock;
c542a06c 1958
55594356
MH		 1959 if (changed)
1960 err = new_settings(hdev, sk);
c542a06c 1961
55594356 1962unlock:
09fd0de5 1963 hci_dev_unlock(hdev);
c542a06c
JH		 1964 return err;
1965}
1966
04124681
GP		 1967static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1968 u16 len)
33ef95ed
JH		 1969{
1970 struct mgmt_mode *cp = data;
1971 struct pending_cmd *cmd;
e6fe7986 1972 u8 val, status;
33ef95ed
JH		 1973 int err;
1974
bdb6d971 1975 BT_DBG("request for %s", hdev->name);
33ef95ed 1976
e6fe7986
JH		 1977 status = mgmt_bredr_support(hdev);
1978 if (status)
33c525c0 1979 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
e6fe7986 1980 status);
33c525c0 1981
a7e80f25
JH		 1982 if (cp->val != 0x00 && cp->val != 0x01)
1983 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1984 MGMT_STATUS_INVALID_PARAMS);
1985
33ef95ed
JH		 1986 hci_dev_lock(hdev);
1987
4b34ee78 1988 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1989 bool changed = false;
1990
1991 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
8ce8e2b5 1992 &hdev->dev_flags)) {
47990ea0
JH		 1993 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1994 changed = true;
1995 }
1996
1997 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1998 if (err < 0)
1999 goto failed;
2000
2001 if (changed)
2002 err = new_settings(hdev, sk);
2003
33ef95ed
JH		 2004 goto failed;
2005 }
2006
2007 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
bdb6d971 2008 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
04124681 2009 MGMT_STATUS_BUSY);
33ef95ed
JH		 2010 goto failed;
2011 }
2012
2013 val = !!cp->val;
2014
2015 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2016 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2017 goto failed;
2018 }
2019
2020 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2021 if (!cmd) {
2022 err = -ENOMEM;
2023 goto failed;
2024 }
2025
2026 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2027 if (err < 0) {
2028 mgmt_pending_remove(cmd);
2029 goto failed;
2030 }
2031
2032failed:
2033 hci_dev_unlock(hdev);
33ef95ed
JH		 2034 return err;
2035}
2036
bdb6d971 2037static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2038{
2039 struct mgmt_mode *cp = data;
2040 struct pending_cmd *cmd;
72ef0c1a 2041 u8 status;
ed2c4ee3
JH		 2042 int err;
2043
bdb6d971 2044 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2045
cdba5281
MH		 2046 status = mgmt_bredr_support(hdev);
2047 if (status)
2048 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
2049
13ecd8b6
JH		 2050 if (!lmp_ssp_capable(hdev))
2051 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2052 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2053
a7e80f25
JH		 2054 if (cp->val != 0x00 && cp->val != 0x01)
2055 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2056 MGMT_STATUS_INVALID_PARAMS);
2057
13ecd8b6 2058 hci_dev_lock(hdev);
6c8f12c1 2059
4b34ee78 2060 if (!hdev_is_powered(hdev)) {
9ecb3e24 2061 bool changed;
c0ecddc2 2062
9ecb3e24
MH		 2063 if (cp->val) {
2064 changed = !test_and_set_bit(HCI_SSP_ENABLED,
2065 &hdev->dev_flags);
2066 } else {
2067 changed = test_and_clear_bit(HCI_SSP_ENABLED,
2068 &hdev->dev_flags);
2069 if (!changed)
2070 changed = test_and_clear_bit(HCI_HS_ENABLED,
2071 &hdev->dev_flags);
2072 else
2073 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
c0ecddc2
JH		 2074 }
2075
2076 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2077 if (err < 0)
2078 goto failed;
2079
2080 if (changed)
2081 err = new_settings(hdev, sk);
2082
ed2c4ee3
JH		 2083 goto failed;
2084 }
2085
9ecb3e24
MH		 2086 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) ||
2087 mgmt_pending_find(MGMT_OP_SET_HS, hdev)) {
d97dcb66
SJ		 2088 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2089 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2090 goto failed;
2091 }
2092
72ef0c1a 2093 if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
ed2c4ee3
JH		 2094 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2095 goto failed;
2096 }
2097
2098 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2099 if (!cmd) {
2100 err = -ENOMEM;
2101 goto failed;
2102 }
2103
3769972b
JH		 2104 if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
2105 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2106 sizeof(cp->val), &cp->val);
2107
72ef0c1a 2108 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2109 if (err < 0) {
2110 mgmt_pending_remove(cmd);
2111 goto failed;
2112 }
2113
2114failed:
2115 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2116 return err;
2117}
2118
bdb6d971 2119static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2120{
2121 struct mgmt_mode *cp = data;
ee392693 2122 bool changed;
e6fe7986 2123 u8 status;
ee392693 2124 int err;
6d80dfd0 2125
bdb6d971 2126 BT_DBG("request for %s", hdev->name);
6d80dfd0 2127
e6fe7986
JH		 2128 status = mgmt_bredr_support(hdev);
2129 if (status)
2130 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2131
9ecb3e24
MH		 2132 if (!lmp_ssp_capable(hdev))
2133 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2134 MGMT_STATUS_NOT_SUPPORTED);
2135
2136 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
2137 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2138 MGMT_STATUS_REJECTED);
2139
a7e80f25
JH		 2140 if (cp->val != 0x00 && cp->val != 0x01)
2141 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2142 MGMT_STATUS_INVALID_PARAMS);
2143
ee392693
MH		 2144 hci_dev_lock(hdev);
2145
a0cdf960 2146 if (cp->val) {
ee392693 2147 changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960
MH		 2148 } else {
2149 if (hdev_is_powered(hdev)) {
2150 err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2151 MGMT_STATUS_REJECTED);
2152 goto unlock;
2153 }
2154
ee392693 2155 changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960 2156 }
ee392693
MH		 2157
2158 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2159 if (err < 0)
2160 goto unlock;
2161
2162 if (changed)
2163 err = new_settings(hdev, sk);
6d80dfd0 2164
ee392693
MH		 2165unlock:
2166 hci_dev_unlock(hdev);
2167 return err;
6d80dfd0
JH		 2168}
2169
416a4ae5
JH		 2170static void le_enable_complete(struct hci_dev *hdev, u8 status)
2171{
2172 struct cmd_lookup match = { NULL, hdev };
2173
2174 if (status) {
2175 u8 mgmt_err = mgmt_status(status);
2176
2177 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2178 &mgmt_err);
2179 return;
2180 }
2181
2182 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2183
2184 new_settings(hdev, match.sk);
2185
2186 if (match.sk)
2187 sock_put(match.sk);
441ad2d0
MH		 2188
2189 /* Make sure the controller has a good default for
2190 * advertising data. Restrict the update to when LE
2191 * has actually been enabled. During power on, the
2192 * update in powered_update_hci will take care of it.
2193 */
2194 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2195 struct hci_request req;
2196
2197 hci_dev_lock(hdev);
2198
2199 hci_req_init(&req, hdev);
5947f4bc 2200 update_adv_data(&req);
f14d8f64 2201 update_scan_rsp_data(&req);
441ad2d0
MH		 2202 hci_req_run(&req, NULL);
2203
a70f4b5f
JH		 2204 hci_update_background_scan(hdev);
2205
441ad2d0
MH		 2206 hci_dev_unlock(hdev);
2207 }
416a4ae5
JH		 2208}
2209
bdb6d971 2210static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2211{
2212 struct mgmt_mode *cp = data;
2213 struct hci_cp_write_le_host_supported hci_cp;
2214 struct pending_cmd *cmd;
416a4ae5 2215 struct hci_request req;
06199cf8 2216 int err;
0b60eba1 2217 u8 val, enabled;
06199cf8 2218
bdb6d971 2219 BT_DBG("request for %s", hdev->name);
06199cf8 2220
13ecd8b6
JH		 2221 if (!lmp_le_capable(hdev))
2222 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2223 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2224
a7e80f25
JH		 2225 if (cp->val != 0x00 && cp->val != 0x01)
2226 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2227 MGMT_STATUS_INVALID_PARAMS);
2228
c73eee91 2229 /* LE-only devices do not allow toggling LE on/off */
56f87901 2230 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
c73eee91
JH		 2231 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2232 MGMT_STATUS_REJECTED);
2233
13ecd8b6 2234 hci_dev_lock(hdev);
06199cf8
JH		 2235
2236 val = !!cp->val;
ffa88e02 2237 enabled = lmp_host_le_capable(hdev);
06199cf8 2238
0b60eba1 2239 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2240 bool changed = false;
2241
2242 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2243 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
2244 changed = true;
2245 }
2246
f3d3444a
JH		 2247 if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
2248 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
eeca6f89
JH		 2249 changed = true;
2250 }
2251
06199cf8
JH		 2252 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2253 if (err < 0)
1de028ce 2254 goto unlock;
06199cf8
JH		 2255
2256 if (changed)
2257 err = new_settings(hdev, sk);
2258
1de028ce 2259 goto unlock;
06199cf8
JH		 2260 }
2261
4375f103
JH		 2262 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) ||
2263 mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
bdb6d971 2264 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
04124681 2265 MGMT_STATUS_BUSY);
1de028ce 2266 goto unlock;
06199cf8
JH		 2267 }
2268
2269 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2270 if (!cmd) {
2271 err = -ENOMEM;
1de028ce 2272 goto unlock;
06199cf8
JH		 2273 }
2274
441ad2d0
MH		 2275 hci_req_init(&req, hdev);
2276
06199cf8
JH		 2277 memset(&hci_cp, 0, sizeof(hci_cp));
2278
2279 if (val) {
2280 hci_cp.le = val;
32226e4f 2281 hci_cp.simul = 0x00;
441ad2d0 2282 } else {
73e082f8 2283 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
441ad2d0 2284 disable_advertising(&req);
06199cf8
JH		 2285 }
2286
416a4ae5
JH		 2287 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2288 &hci_cp);
2289
2290 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2291 if (err < 0)
06199cf8 2292 mgmt_pending_remove(cmd);
06199cf8 2293
1de028ce
JH		 2294unlock:
2295 hci_dev_unlock(hdev);
06199cf8
JH		 2296 return err;
2297}
2298
0cab9c80
JH		 2299/* This is a helper function to test for pending mgmt commands that can
2300 * cause CoD or EIR HCI commands. We can only allow one such pending
2301 * mgmt command at a time since otherwise we cannot easily track what
2302 * the current values are, will be, and based on that calculate if a new
2303 * HCI command needs to be sent and if yes with what value.
2304 */
2305static bool pending_eir_or_class(struct hci_dev *hdev)
2306{
2307 struct pending_cmd *cmd;
2308
2309 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2310 switch (cmd->opcode) {
2311 case MGMT_OP_ADD_UUID:
2312 case MGMT_OP_REMOVE_UUID:
2313 case MGMT_OP_SET_DEV_CLASS:
2314 case MGMT_OP_SET_POWERED:
2315 return true;
2316 }
2317 }
2318
2319 return false;
2320}
2321
83be8eca
JH		 2322static const u8 bluetooth_base_uuid[] = {
2323 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2324 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2325};
2326
2327static u8 get_uuid_size(const u8 *uuid)
2328{
2329 u32 val;
2330
2331 if (memcmp(uuid, bluetooth_base_uuid, 12))
2332 return 128;
2333
2334 val = get_unaligned_le32(&uuid[12]);
2335 if (val > 0xffff)
2336 return 32;
2337
2338 return 16;
2339}
2340
92da6097
JH		 2341static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2342{
2343 struct pending_cmd *cmd;
2344
2345 hci_dev_lock(hdev);
2346
2347 cmd = mgmt_pending_find(mgmt_op, hdev);
2348 if (!cmd)
2349 goto unlock;
2350
2351 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
2352 hdev->dev_class, 3);
2353
2354 mgmt_pending_remove(cmd);
2355
2356unlock:
2357 hci_dev_unlock(hdev);
2358}
2359
2360static void add_uuid_complete(struct hci_dev *hdev, u8 status)
2361{
2362 BT_DBG("status 0x%02x", status);
2363
2364 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2365}
2366
bdb6d971 2367static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2368{
650f726d 2369 struct mgmt_cp_add_uuid *cp = data;
90e70454 2370 struct pending_cmd *cmd;
890ea898 2371 struct hci_request req;
2aeb9a1a 2372 struct bt_uuid *uuid;
2aeb9a1a
JH		 2373 int err;
2374
bdb6d971 2375 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2376
09fd0de5 2377 hci_dev_lock(hdev);
2aeb9a1a 2378
0cab9c80 2379 if (pending_eir_or_class(hdev)) {
bdb6d971 2380 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
04124681 2381 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2382 goto failed;
2383 }
2384
92c4c204 2385 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2386 if (!uuid) {
2387 err = -ENOMEM;
2388 goto failed;
2389 }
2390
2391 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2392 uuid->svc_hint = cp->svc_hint;
83be8eca 2393 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2394
de66aa63 2395 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2396
890ea898 2397 hci_req_init(&req, hdev);
1aff6f09 2398
890ea898
JH		 2399 update_class(&req);
2400 update_eir(&req);
2401
92da6097
JH		 2402 err = hci_req_run(&req, add_uuid_complete);
2403 if (err < 0) {
2404 if (err != -ENODATA)
2405 goto failed;
80a1e1db 2406
bdb6d971 2407 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
04124681 2408 hdev->dev_class, 3);
90e70454
JH		 2409 goto failed;
2410 }
2411
2412 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2413 if (!cmd) {
90e70454 2414 err = -ENOMEM;
890ea898
JH		 2415 goto failed;
2416 }
2417
2418 err = 0;
2aeb9a1a
JH		 2419
2420failed:
09fd0de5 2421 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2422 return err;
2423}
2424
24b78d0f
JH		 2425static bool enable_service_cache(struct hci_dev *hdev)
2426{
2427 if (!hdev_is_powered(hdev))
2428 return false;
2429
2430 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
46818ed5
JH		 2431 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2432 CACHE_TIMEOUT);
24b78d0f
JH		 2433 return true;
2434 }
2435
2436 return false;
2437}
2438
92da6097
JH		 2439static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
2440{
2441 BT_DBG("status 0x%02x", status);
2442
2443 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2444}
2445
bdb6d971 2446static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2447 u16 len)
2aeb9a1a 2448{
650f726d 2449 struct mgmt_cp_remove_uuid *cp = data;
90e70454 2450 struct pending_cmd *cmd;
056341c8 2451 struct bt_uuid *match, *tmp;
2aeb9a1a 2452 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2453 struct hci_request req;
2aeb9a1a
JH		 2454 int err, found;
2455
bdb6d971 2456 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2457
09fd0de5 2458 hci_dev_lock(hdev);
2aeb9a1a 2459
0cab9c80 2460 if (pending_eir_or_class(hdev)) {
bdb6d971 2461 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2462 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2463 goto unlock;
2464 }
2465
2aeb9a1a 2466 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2467 hci_uuids_clear(hdev);
4004b6d9 2468
24b78d0f 2469 if (enable_service_cache(hdev)) {
bdb6d971 2470 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2471 0, hdev->dev_class, 3);
24b78d0f
JH		 2472 goto unlock;
2473 }
4004b6d9 2474
9246a869 2475 goto update_class;
2aeb9a1a
JH		 2476 }
2477
2478 found = 0;
2479
056341c8 2480 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2481 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2482 continue;
2483
2484 list_del(&match->list);
482049f7 2485 kfree(match);
2aeb9a1a
JH		 2486 found++;
2487 }
2488
2489 if (found == 0) {
bdb6d971 2490 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2491 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2492 goto unlock;
2493 }
2494
9246a869 2495update_class:
890ea898 2496 hci_req_init(&req, hdev);
1aff6f09 2497
890ea898
JH		 2498 update_class(&req);
2499 update_eir(&req);
2500
92da6097
JH		 2501 err = hci_req_run(&req, remove_uuid_complete);
2502 if (err < 0) {
2503 if (err != -ENODATA)
2504 goto unlock;
80a1e1db 2505
bdb6d971 2506 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
04124681 2507 hdev->dev_class, 3);
90e70454
JH		 2508 goto unlock;
2509 }
2510
2511 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2512 if (!cmd) {
90e70454 2513 err = -ENOMEM;
890ea898
JH		 2514 goto unlock;
2515 }
2516
2517 err = 0;
2aeb9a1a
JH		 2518
2519unlock:
09fd0de5 2520 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2521 return err;
2522}
2523
92da6097
JH		 2524static void set_class_complete(struct hci_dev *hdev, u8 status)
2525{
2526 BT_DBG("status 0x%02x", status);
2527
2528 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2529}
2530
bdb6d971 2531static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2532 u16 len)
1aff6f09 2533{
650f726d 2534 struct mgmt_cp_set_dev_class *cp = data;
90e70454 2535 struct pending_cmd *cmd;
890ea898 2536 struct hci_request req;
1aff6f09
JH		 2537 int err;
2538
bdb6d971 2539 BT_DBG("request for %s", hdev->name);
1aff6f09 2540
6203fc98 2541 if (!lmp_bredr_capable(hdev))
13ecd8b6
JH		 2542 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2543 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2544
0cab9c80 2545 hci_dev_lock(hdev);
ee98f473 2546
0cab9c80
JH		 2547 if (pending_eir_or_class(hdev)) {
2548 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2549 MGMT_STATUS_BUSY);
2550 goto unlock;
2551 }
c95f0ba7 2552
0cab9c80
JH		 2553 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2554 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2555 MGMT_STATUS_INVALID_PARAMS);
2556 goto unlock;
2557 }
575b3a02 2558
932f5ff5
JH		 2559 hdev->major_class = cp->major;
2560 hdev->minor_class = cp->minor;
2561
b5235a65 2562 if (!hdev_is_powered(hdev)) {
bdb6d971 2563 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2564 hdev->dev_class, 3);
b5235a65
JH		 2565 goto unlock;
2566 }
2567
890ea898
JH		 2568 hci_req_init(&req, hdev);
2569
a8b2d5c2 2570 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
7d78525d
JH		 2571 hci_dev_unlock(hdev);
2572 cancel_delayed_work_sync(&hdev->service_cache);
2573 hci_dev_lock(hdev);
890ea898 2574 update_eir(&req);
7d78525d 2575 }
14c0b608 2576
890ea898
JH		 2577 update_class(&req);
2578
92da6097
JH		 2579 err = hci_req_run(&req, set_class_complete);
2580 if (err < 0) {
2581 if (err != -ENODATA)
2582 goto unlock;
1aff6f09 2583
bdb6d971 2584 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2585 hdev->dev_class, 3);
90e70454
JH		 2586 goto unlock;
2587 }
2588
2589 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2590 if (!cmd) {
90e70454 2591 err = -ENOMEM;
890ea898
JH		 2592 goto unlock;
2593 }
2594
2595 err = 0;
1aff6f09 2596
b5235a65 2597unlock:
09fd0de5 2598 hci_dev_unlock(hdev);
1aff6f09
JH		 2599 return err;
2600}
2601
bdb6d971 2602static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2603 u16 len)
55ed8ca1 2604{
650f726d 2605 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2606 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2607 sizeof(struct mgmt_link_key_info));
4e51eae9 2608 u16 key_count, expected_len;
b1de97d8 2609 bool changed;
a492cd52 2610 int i;
55ed8ca1 2611
9060d5cf
MH		 2612 BT_DBG("request for %s", hdev->name);
2613
2614 if (!lmp_bredr_capable(hdev))
2615 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2616 MGMT_STATUS_NOT_SUPPORTED);
2617
1f350c87 2618 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2619 if (key_count > max_key_count) {
2620 BT_ERR("load_link_keys: too big key_count value %u",
2621 key_count);
2622 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2623 MGMT_STATUS_INVALID_PARAMS);
2624 }
55ed8ca1 2625
86742e1e
JH		 2626 expected_len = sizeof(*cp) + key_count *
2627 sizeof(struct mgmt_link_key_info);
a492cd52 2628 if (expected_len != len) {
86742e1e 2629 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2630 expected_len, len);
bdb6d971 2631 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
04124681 2632 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2633 }
2634
4ae14301
JH		 2635 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2636 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2637 MGMT_STATUS_INVALID_PARAMS);
2638
bdb6d971 2639 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2640 key_count);
55ed8ca1 2641
4ee71b20
JH		 2642 for (i = 0; i < key_count; i++) {
2643 struct mgmt_link_key_info *key = &cp->keys[i];
2644
8e991132 2645 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
4ee71b20
JH		 2646 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2647 MGMT_STATUS_INVALID_PARAMS);
2648 }
2649
09fd0de5 2650 hci_dev_lock(hdev);
55ed8ca1
JH		 2651
2652 hci_link_keys_clear(hdev);
2653
55ed8ca1 2654 if (cp->debug_keys)
0663b297
JH		 2655 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
2656 &hdev->dev_flags);
55ed8ca1 2657 else
0663b297
JH		 2658 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
2659 &hdev->dev_flags);
b1de97d8
MH		 2660
2661 if (changed)
2662 new_settings(hdev, NULL);
55ed8ca1 2663
a492cd52 2664 for (i = 0; i < key_count; i++) {
86742e1e 2665 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2666
58e9293c
JH		 2667 /* Always ignore debug keys and require a new pairing if
2668 * the user wants to use them.
2669 */
2670 if (key->type == HCI_LK_DEBUG_COMBINATION)
2671 continue;
2672
7652ff6a
JH		 2673 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2674 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2675 }
2676
bdb6d971 2677 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2678
09fd0de5 2679 hci_dev_unlock(hdev);
55ed8ca1 2680
a492cd52 2681 return 0;
55ed8ca1
JH		 2682}
2683
b1078ad0 2684static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2685 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2686{
2687 struct mgmt_ev_device_unpaired ev;
2688
2689 bacpy(&ev.addr.bdaddr, bdaddr);
2690 ev.addr.type = addr_type;
2691
2692 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2693 skip_sk);
b1078ad0
JH		 2694}
2695
bdb6d971 2696static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2697 u16 len)
55ed8ca1 2698{
124f6e35
JH		 2699 struct mgmt_cp_unpair_device *cp = data;
2700 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 2701 struct hci_cp_disconnect dc;
2702 struct pending_cmd *cmd;
55ed8ca1 2703 struct hci_conn *conn;
55ed8ca1
JH		 2704 int err;
2705
a8a1d19e 2706 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2707 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2708 rp.addr.type = cp->addr.type;
a8a1d19e 2709
4ee71b20
JH		 2710 if (!bdaddr_type_is_valid(cp->addr.type))
2711 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2712 MGMT_STATUS_INVALID_PARAMS,
2713 &rp, sizeof(rp));
2714
118da70b
JH		 2715 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2716 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2717 MGMT_STATUS_INVALID_PARAMS,
2718 &rp, sizeof(rp));
2719
4ee71b20
JH		 2720 hci_dev_lock(hdev);
2721
86a8cfc6 2722 if (!hdev_is_powered(hdev)) {
bdb6d971 2723 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2724 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
86a8cfc6
JH		 2725 goto unlock;
2726 }
2727
e0b2b27e 2728 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 2729 /* If disconnection is requested, then look up the
2730 * connection. If the remote device is connected, it
2731 * will be later used to terminate the link.
2732 *
2733 * Setting it to NULL explicitly will cause no
2734 * termination of the link.
2735 */
2736 if (cp->disconnect)
2737 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2738 &cp->addr.bdaddr);
2739 else
2740 conn = NULL;
2741
124f6e35 2742 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 2743 } else {
2744 u8 addr_type;
2745
89cbb063
AA		 2746 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
2747 &cp->addr.bdaddr);
2748 if (conn) {
2749 /* Defer clearing up the connection parameters
2750 * until closing to give a chance of keeping
2751 * them if a repairing happens.
2752 */
2753 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
2754
2755 /* If disconnection is not requested, then
2756 * clear the connection variable so that the
2757 * link is not terminated.
2758 */
2759 if (!cp->disconnect)
2760 conn = NULL;
2761 }
2762
e0b2b27e
JH		 2763 if (cp->addr.type == BDADDR_LE_PUBLIC)
2764 addr_type = ADDR_LE_DEV_PUBLIC;
2765 else
2766 addr_type = ADDR_LE_DEV_RANDOM;
2767
a7ec7338
JH		 2768 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2769
e0b2b27e
JH		 2770 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2771 }
b0dbfb46 2772
55ed8ca1 2773 if (err < 0) {
bdb6d971 2774 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2775 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH		 2776 goto unlock;
2777 }
2778
89cbb063
AA		 2779 /* If the connection variable is set, then termination of the
2780 * link is requested.
2781 */
a8a1d19e 2782 if (!conn) {
bdb6d971 2783 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 2784 &rp, sizeof(rp));
b1078ad0 2785 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2786 goto unlock;
2787 }
55ed8ca1 2788
124f6e35 2789 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2790 sizeof(*cp));
a8a1d19e
JH		 2791 if (!cmd) {
2792 err = -ENOMEM;
2793 goto unlock;
55ed8ca1
JH		 2794 }
2795
eb55ef07 2796 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 2797 dc.reason = 0x13; /* Remote User Terminated Connection */
2798 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2799 if (err < 0)
2800 mgmt_pending_remove(cmd);
2801
55ed8ca1 2802unlock:
09fd0de5 2803 hci_dev_unlock(hdev);
55ed8ca1
JH		 2804 return err;
2805}
2806
bdb6d971 2807static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2808 u16 len)
8962ee74 2809{
650f726d 2810 struct mgmt_cp_disconnect *cp = data;
06a63b19 2811 struct mgmt_rp_disconnect rp;
366a0336 2812 struct pending_cmd *cmd;
8962ee74 2813 struct hci_conn *conn;
8962ee74
JH		 2814 int err;
2815
2816 BT_DBG("");
2817
06a63b19
JH		 2818 memset(&rp, 0, sizeof(rp));
2819 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2820 rp.addr.type = cp->addr.type;
2821
4ee71b20 2822 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH		 2823 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2824 MGMT_STATUS_INVALID_PARAMS,
2825 &rp, sizeof(rp));
4ee71b20 2826
09fd0de5 2827 hci_dev_lock(hdev);
8962ee74
JH		 2828
2829 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH		 2830 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2831 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH		 2832 goto failed;
2833 }
2834
2e58ef3e 2835 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH		 2836 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2837 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2838 goto failed;
2839 }
2840
591f47f3 2841 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2842 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2843 &cp->addr.bdaddr);
88c3df13
JH		 2844 else
2845 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 2846
f960727e 2847 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH		 2848 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2849 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH		 2850 goto failed;
2851 }
2852
2e58ef3e 2853 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2854 if (!cmd) {
2855 err = -ENOMEM;
8962ee74 2856 goto failed;
366a0336 2857 }
8962ee74 2858
e3f2f92a 2859 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 2860 if (err < 0)
a664b5bc 2861 mgmt_pending_remove(cmd);
8962ee74
JH		 2862
2863failed:
09fd0de5 2864 hci_dev_unlock(hdev);
8962ee74
JH		 2865 return err;
2866}
2867
57c1477c 2868static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2869{
2870 switch (link_type) {
2871 case LE_LINK:
48264f06
JH		 2872 switch (addr_type) {
2873 case ADDR_LE_DEV_PUBLIC:
591f47f3 2874 return BDADDR_LE_PUBLIC;
0ed09148 2875
48264f06 2876 default:
0ed09148 2877 /* Fallback to LE Random address type */
591f47f3 2878 return BDADDR_LE_RANDOM;
48264f06 2879 }
0ed09148 2880
4c659c39 2881 default:
0ed09148 2882 /* Fallback to BR/EDR type */
591f47f3 2883 return BDADDR_BREDR;
4c659c39
JH		 2884 }
2885}
2886
04124681
GP		 2887static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2888 u16 data_len)
2784eb41 2889{
2784eb41 2890 struct mgmt_rp_get_connections *rp;
8035ded4 2891 struct hci_conn *c;
a38528f1 2892 size_t rp_len;
60fc5fb6
JH		 2893 int err;
2894 u16 i;
2784eb41
JH		 2895
2896 BT_DBG("");
2897
09fd0de5 2898 hci_dev_lock(hdev);
2784eb41 2899
5f97c1df 2900 if (!hdev_is_powered(hdev)) {
bdb6d971 2901 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 2902 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2903 goto unlock;
2904 }
2905
60fc5fb6 2906 i = 0;
b644ba33
JH		 2907 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2908 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2909 i++;
2784eb41
JH		 2910 }
2911
60fc5fb6 2912 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2913 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2914 if (!rp) {
2784eb41
JH		 2915 err = -ENOMEM;
2916 goto unlock;
2917 }
2918
2784eb41 2919 i = 0;
4c659c39 2920 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2921 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2922 continue;
4c659c39 2923 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2924 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2925 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2926 continue;
2927 i++;
2928 }
2929
eb55ef07 2930 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2931
4c659c39
JH		 2932 /* Recalculate length in case of filtered SCO connections, etc */
2933 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2934
bdb6d971 2935 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 2936 rp_len);
2784eb41 2937
a38528f1 2938 kfree(rp);
5f97c1df
JH		 2939
2940unlock:
09fd0de5 2941 hci_dev_unlock(hdev);
2784eb41
JH		 2942 return err;
2943}
2944
bdb6d971 2945static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2946 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR		 2947{
2948 struct pending_cmd *cmd;
2949 int err;
2950
2e58ef3e 2951 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2952 sizeof(*cp));
96d97a67
WR		 2953 if (!cmd)
2954 return -ENOMEM;
2955
d8457698 2956 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2957 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2958 if (err < 0)
2959 mgmt_pending_remove(cmd);
2960
2961 return err;
2962}
2963
bdb6d971 2964static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2965 u16 len)
980e1a53 2966{
96d97a67 2967 struct hci_conn *conn;
650f726d 2968 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2969 struct hci_cp_pin_code_reply reply;
366a0336 2970 struct pending_cmd *cmd;
980e1a53
JH		 2971 int err;
2972
2973 BT_DBG("");
2974
09fd0de5 2975 hci_dev_lock(hdev);
980e1a53 2976
4b34ee78 2977 if (!hdev_is_powered(hdev)) {
bdb6d971 2978 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2979 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2980 goto failed;
2981 }
2982
d8457698 2983 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2984 if (!conn) {
bdb6d971 2985 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2986 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2987 goto failed;
2988 }
2989
2990 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2991 struct mgmt_cp_pin_code_neg_reply ncp;
2992
2993 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2994
2995 BT_ERR("PIN code is not 16 bytes long");
2996
bdb6d971 2997 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2998 if (err >= 0)
bdb6d971 2999 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 3000 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 3001
3002 goto failed;
3003 }
3004
00abfe44 3005 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 3006 if (!cmd) {
3007 err = -ENOMEM;
980e1a53 3008 goto failed;
366a0336 3009 }
980e1a53 3010
d8457698 3011 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 3012 reply.pin_len = cp->pin_len;
24718ca5 3013 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 3014
3015 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3016 if (err < 0)
a664b5bc 3017 mgmt_pending_remove(cmd);
980e1a53
JH		 3018
3019failed:
09fd0de5 3020 hci_dev_unlock(hdev);
980e1a53
JH		 3021 return err;
3022}
3023
04124681
GP		 3024static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3025 u16 len)
17fa4b9d 3026{
650f726d 3027 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3028
3029 BT_DBG("");
3030
4ec86d4c
JH		 3031 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
3032 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3033 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
3034
09fd0de5 3035 hci_dev_lock(hdev);
17fa4b9d
JH		 3036
3037 hdev->io_capability = cp->io_capability;
3038
3039 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3040 hdev->io_capability);
17fa4b9d 3041
09fd0de5 3042 hci_dev_unlock(hdev);
17fa4b9d 3043
04124681
GP		 3044 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
3045 0);
17fa4b9d
JH		 3046}
3047
6039aa73 3048static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3049{
3050 struct hci_dev *hdev = conn->hdev;
8035ded4 3051 struct pending_cmd *cmd;
e9a416b5 3052
2e58ef3e 3053 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3054 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3055 continue;
3056
e9a416b5
JH		 3057 if (cmd->user_data != conn)
3058 continue;
3059
3060 return cmd;
3061 }
3062
3063 return NULL;
3064}
3065
3066static void pairing_complete(struct pending_cmd *cmd, u8 status)
3067{
3068 struct mgmt_rp_pair_device rp;
3069 struct hci_conn *conn = cmd->user_data;
3070
61b1a7fb
JH		 3071 bacpy(&rp.addr.bdaddr, &conn->dst);
3072 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3073
aee9b218 3074 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 3075 &rp, sizeof(rp));
e9a416b5
JH		 3076
3077 /* So we don't get further callbacks for this connection */
3078 conn->connect_cfm_cb = NULL;
3079 conn->security_cfm_cb = NULL;
3080 conn->disconn_cfm_cb = NULL;
3081
76a68ba0 3082 hci_conn_drop(conn);
f8aaf9b6 3083 hci_conn_put(conn);
e9a416b5 3084
a664b5bc 3085 mgmt_pending_remove(cmd);
89cbb063
AA		 3086
3087 /* The device is paired so there is no need to remove
3088 * its connection parameters anymore.
3089 */
3090 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
e9a416b5
JH		 3091}
3092
f4a407be
JH		 3093void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3094{
3095 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3096 struct pending_cmd *cmd;
3097
3098 cmd = find_pairing(conn);
3099 if (cmd)
3100 pairing_complete(cmd, status);
3101}
3102
e9a416b5
JH		 3103static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3104{
3105 struct pending_cmd *cmd;
3106
3107 BT_DBG("status %u", status);
3108
3109 cmd = find_pairing(conn);
56e5cb86 3110 if (!cmd)
e9a416b5 3111 BT_DBG("Unable to find a pending command");
56e5cb86 3112 else
e211326c 3113 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH		 3114}
3115
f4a407be 3116static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739
VA		 3117{
3118 struct pending_cmd *cmd;
3119
3120 BT_DBG("status %u", status);
3121
3122 if (!status)
3123 return;
3124
3125 cmd = find_pairing(conn);
3126 if (!cmd)
3127 BT_DBG("Unable to find a pending command");
3128 else
3129 pairing_complete(cmd, mgmt_status(status));
3130}
3131
bdb6d971 3132static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3133 u16 len)
e9a416b5 3134{
650f726d 3135 struct mgmt_cp_pair_device *cp = data;
1425acb7 3136 struct mgmt_rp_pair_device rp;
e9a416b5
JH		 3137 struct pending_cmd *cmd;
3138 u8 sec_level, auth_type;
3139 struct hci_conn *conn;
e9a416b5
JH		 3140 int err;
3141
3142 BT_DBG("");
3143
f950a30e
SJ		 3144 memset(&rp, 0, sizeof(rp));
3145 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3146 rp.addr.type = cp->addr.type;
3147
4ee71b20
JH		 3148 if (!bdaddr_type_is_valid(cp->addr.type))
3149 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3150 MGMT_STATUS_INVALID_PARAMS,
3151 &rp, sizeof(rp));
3152
4ec86d4c
JH		 3153 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
3154 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3155 MGMT_STATUS_INVALID_PARAMS,
3156 &rp, sizeof(rp));
3157
09fd0de5 3158 hci_dev_lock(hdev);
e9a416b5 3159
5f97c1df 3160 if (!hdev_is_powered(hdev)) {
f950a30e
SJ		 3161 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3162 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH		 3163 goto unlock;
3164 }
3165
c908df36 3166 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3167 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3168
6f77d8c7 3169 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3170 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3171 auth_type);
6f77d8c7
AG		 3172 } else {
3173 u8 addr_type;
3174
3175 /* Convert from L2CAP channel address type to HCI address type
3176 */
3177 if (cp->addr.type == BDADDR_LE_PUBLIC)
3178 addr_type = ADDR_LE_DEV_PUBLIC;
3179 else
3180 addr_type = ADDR_LE_DEV_RANDOM;
3181
7c264b10
MH		 3182 /* When pairing a new device, it is expected to remember
3183 * this device for future connections. Adding the connection
3184 * parameter information ahead of time allows tracking
3185 * of the slave preferred values and will speed up any
3186 * further connection establishment.
3187 *
3188 * If connection parameters already exist, then they
3189 * will be kept and this function does nothing.
3190 */
3191 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3192
6f77d8c7 3193 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
e804d25d
JH		 3194 sec_level, HCI_LE_CONN_TIMEOUT,
3195 HCI_ROLE_MASTER);
6f77d8c7 3196 }
7a512d01 3197
30e76272 3198 if (IS_ERR(conn)) {
489dc48e
AK		 3199 int status;
3200
3201 if (PTR_ERR(conn) == -EBUSY)
3202 status = MGMT_STATUS_BUSY;
3203 else
3204 status = MGMT_STATUS_CONNECT_FAILED;
3205
bdb6d971 3206 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 3207 status, &rp,
04124681 3208 sizeof(rp));
e9a416b5
JH		 3209 goto unlock;
3210 }
3211
3212 if (conn->connect_cfm_cb) {
76a68ba0 3213 hci_conn_drop(conn);
bdb6d971 3214 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 3215 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3216 goto unlock;
3217 }
3218
2e58ef3e 3219 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3220 if (!cmd) {
3221 err = -ENOMEM;
76a68ba0 3222 hci_conn_drop(conn);
e9a416b5
JH		 3223 goto unlock;
3224 }
3225
7a512d01 3226 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3227 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3228 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3229 conn->security_cfm_cb = pairing_complete_cb;
3230 conn->disconn_cfm_cb = pairing_complete_cb;
3231 } else {
3232 conn->connect_cfm_cb = le_pairing_complete_cb;
3233 conn->security_cfm_cb = le_pairing_complete_cb;
3234 conn->disconn_cfm_cb = le_pairing_complete_cb;
3235 }
7a512d01 3236
e9a416b5 3237 conn->io_capability = cp->io_cap;
f8aaf9b6 3238 cmd->user_data = hci_conn_get(conn);
e9a416b5 3239
6f78fd4b 3240 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
e7cafc45 3241 hci_conn_security(conn, sec_level, auth_type, true))
e9a416b5
JH		 3242 pairing_complete(cmd, 0);
3243
3244 err = 0;
3245
3246unlock:
09fd0de5 3247 hci_dev_unlock(hdev);
e9a416b5
JH		 3248 return err;
3249}
3250
04124681
GP		 3251static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3252 u16 len)
28424707 3253{
0f4e68cf 3254 struct mgmt_addr_info *addr = data;
28424707
JH		 3255 struct pending_cmd *cmd;
3256 struct hci_conn *conn;
3257 int err;
3258
3259 BT_DBG("");
3260
28424707
JH		 3261 hci_dev_lock(hdev);
3262
5f97c1df 3263 if (!hdev_is_powered(hdev)) {
bdb6d971 3264 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3265 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3266 goto unlock;
3267 }
3268
28424707
JH		 3269 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3270 if (!cmd) {
bdb6d971 3271 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3272 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3273 goto unlock;
3274 }
3275
3276 conn = cmd->user_data;
3277
3278 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 3279 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3280 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3281 goto unlock;
3282 }
3283
3284 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
3285
bdb6d971 3286 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 3287 addr, sizeof(*addr));
28424707
JH		 3288unlock:
3289 hci_dev_unlock(hdev);
28424707
JH		 3290 return err;
3291}
3292
bdb6d971 3293static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3294 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3295 u16 hci_op, __le32 passkey)
a5c29683 3296{
a5c29683 3297 struct pending_cmd *cmd;
0df4c185 3298 struct hci_conn *conn;
a5c29683
JH		 3299 int err;
3300
09fd0de5 3301 hci_dev_lock(hdev);
08ba5382 3302
4b34ee78 3303 if (!hdev_is_powered(hdev)) {
feb94d3d
JH		 3304 err = cmd_complete(sk, hdev->id, mgmt_op,
3305 MGMT_STATUS_NOT_POWERED, addr,
3306 sizeof(*addr));
0df4c185 3307 goto done;
a5c29683
JH		 3308 }
3309
1707c60e
JH		 3310 if (addr->type == BDADDR_BREDR)
3311 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3312 else
1707c60e 3313 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3314
3315 if (!conn) {
feb94d3d
JH		 3316 err = cmd_complete(sk, hdev->id, mgmt_op,
3317 MGMT_STATUS_NOT_CONNECTED, addr,
3318 sizeof(*addr));
272d90df
JH		 3319 goto done;
3320 }
47c15e2b 3321
1707c60e 3322 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3323 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3324 if (!err)
feb94d3d
JH		 3325 err = cmd_complete(sk, hdev->id, mgmt_op,
3326 MGMT_STATUS_SUCCESS, addr,
3327 sizeof(*addr));
5fe57d9e 3328 else
feb94d3d
JH		 3329 err = cmd_complete(sk, hdev->id, mgmt_op,
3330 MGMT_STATUS_FAILED, addr,
3331 sizeof(*addr));
47c15e2b 3332
47c15e2b
BG		 3333 goto done;
3334 }
3335
1707c60e 3336 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3337 if (!cmd) {
3338 err = -ENOMEM;
0df4c185 3339 goto done;
a5c29683
JH		 3340 }
3341
0df4c185 3342 /* Continue with pairing via HCI */
604086b7
BG		 3343 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3344 struct hci_cp_user_passkey_reply cp;
3345
1707c60e 3346 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3347 cp.passkey = passkey;
3348 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3349 } else
1707c60e
JH		 3350 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3351 &addr->bdaddr);
604086b7 3352
a664b5bc
JH		 3353 if (err < 0)
3354 mgmt_pending_remove(cmd);
a5c29683 3355
0df4c185 3356done:
09fd0de5 3357 hci_dev_unlock(hdev);
a5c29683
JH		 3358 return err;
3359}
3360
afeb019d
JK		 3361static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3362 void *data, u16 len)
3363{
3364 struct mgmt_cp_pin_code_neg_reply *cp = data;
3365
3366 BT_DBG("");
3367
1707c60e 3368 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3369 MGMT_OP_PIN_CODE_NEG_REPLY,
3370 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3371}
3372
04124681
GP		 3373static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3374 u16 len)
0df4c185 3375{
650f726d 3376 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3377
3378 BT_DBG("");
3379
3380 if (len != sizeof(*cp))
bdb6d971 3381 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 3382 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3383
1707c60e 3384 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3385 MGMT_OP_USER_CONFIRM_REPLY,
3386 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3387}
3388
bdb6d971 3389static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3390 void *data, u16 len)
0df4c185 3391{
c9c2659f 3392 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3393
3394 BT_DBG("");
3395
1707c60e 3396 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3397 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3398 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3399}
3400
04124681
GP		 3401static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3402 u16 len)
604086b7 3403{
650f726d 3404 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3405
3406 BT_DBG("");
3407
1707c60e 3408 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3409 MGMT_OP_USER_PASSKEY_REPLY,
3410 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3411}
3412
bdb6d971 3413static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3414 void *data, u16 len)
604086b7 3415{
650f726d 3416 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3417
3418 BT_DBG("");
3419
1707c60e 3420 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3421 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3422 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3423}
3424
13928971 3425static void update_name(struct hci_request *req)
2b4bf397 3426{
13928971 3427 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3428 struct hci_cp_write_local_name cp;
3429
13928971 3430 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3431
890ea898 3432 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3433}
3434
13928971
JH		 3435static void set_name_complete(struct hci_dev *hdev, u8 status)
3436{
3437 struct mgmt_cp_set_local_name *cp;
3438 struct pending_cmd *cmd;
3439
3440 BT_DBG("status 0x%02x", status);
3441
3442 hci_dev_lock(hdev);
3443
3444 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3445 if (!cmd)
3446 goto unlock;
3447
3448 cp = cmd->param;
3449
3450 if (status)
3451 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3452 mgmt_status(status));
3453 else
3454 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3455 cp, sizeof(*cp));
3456
3457 mgmt_pending_remove(cmd);
3458
3459unlock:
3460 hci_dev_unlock(hdev);
3461}
3462
bdb6d971 3463static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3464 u16 len)
b312b161 3465{
2b4bf397 3466 struct mgmt_cp_set_local_name *cp = data;
b312b161 3467 struct pending_cmd *cmd;
890ea898 3468 struct hci_request req;
b312b161
JH		 3469 int err;
3470
3471 BT_DBG("");
3472
09fd0de5 3473 hci_dev_lock(hdev);
b312b161 3474
b3f2ca94
JH		 3475 /* If the old values are the same as the new ones just return a
3476 * direct command complete event.
3477 */
3478 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3479 !memcmp(hdev->short_name, cp->short_name,
3480 sizeof(hdev->short_name))) {
3481 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3482 data, len);
3483 goto failed;
3484 }
3485
2b4bf397 3486 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3487
b5235a65 3488 if (!hdev_is_powered(hdev)) {
2b4bf397 3489 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH		 3490
3491 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 3492 data, len);
28cc7bde
JH		 3493 if (err < 0)
3494 goto failed;
3495
3496 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 3497 sk);
28cc7bde 3498
b5235a65
JH		 3499 goto failed;
3500 }
3501
28cc7bde 3502 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3503 if (!cmd) {
3504 err = -ENOMEM;
3505 goto failed;
3506 }
3507
13928971
JH		 3508 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3509
890ea898 3510 hci_req_init(&req, hdev);
3f985050
JH		 3511
3512 if (lmp_bredr_capable(hdev)) {
3513 update_name(&req);
3514 update_eir(&req);
3515 }
3516
7a5f4990
MH		 3517 /* The name is stored in the scan response data and so
3518 * no need to udpate the advertising data here.
3519 */
3f985050 3520 if (lmp_le_capable(hdev))
7a5f4990 3521 update_scan_rsp_data(&req);
3f985050 3522
13928971 3523 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3524 if (err < 0)
3525 mgmt_pending_remove(cmd);
3526
3527failed:
09fd0de5 3528 hci_dev_unlock(hdev);
b312b161
JH		 3529 return err;
3530}
3531
0f4e68cf 3532static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3533 void *data, u16 data_len)
c35938b2 3534{
c35938b2
SJ		 3535 struct pending_cmd *cmd;
3536 int err;
3537
bdb6d971 3538 BT_DBG("%s", hdev->name);
c35938b2 3539
09fd0de5 3540 hci_dev_lock(hdev);
c35938b2 3541
4b34ee78 3542 if (!hdev_is_powered(hdev)) {
bdb6d971 3543 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3544 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3545 goto unlock;
3546 }
3547
9a1a1996 3548 if (!lmp_ssp_capable(hdev)) {
bdb6d971 3549 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3550 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3551 goto unlock;
3552 }
3553
2e58ef3e 3554 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 3555 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3556 MGMT_STATUS_BUSY);
c35938b2
SJ		 3557 goto unlock;
3558 }
3559
2e58ef3e 3560 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3561 if (!cmd) {
3562 err = -ENOMEM;
3563 goto unlock;
3564 }
3565
710f11c0 3566 if (bredr_sc_enabled(hdev))
4d2d2796
MH		 3567 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
3568 0, NULL);
3569 else
3570 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3571
c35938b2
SJ		 3572 if (err < 0)
3573 mgmt_pending_remove(cmd);
3574
3575unlock:
09fd0de5 3576 hci_dev_unlock(hdev);
c35938b2
SJ		 3577 return err;
3578}
3579
bdb6d971 3580static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3581 void *data, u16 len)
2763eda6 3582{
2763eda6
SJ		 3583 int err;
3584
bdb6d971 3585 BT_DBG("%s ", hdev->name);
2763eda6 3586
09fd0de5 3587 hci_dev_lock(hdev);
2763eda6 3588
ec109113
MH		 3589 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3590 struct mgmt_cp_add_remote_oob_data *cp = data;
3591 u8 status;
bf1e3541 3592
c19a495c
JH		 3593 if (cp->addr.type != BDADDR_BREDR) {
3594 err = cmd_complete(sk, hdev->id,
3595 MGMT_OP_ADD_REMOTE_OOB_DATA,
3596 MGMT_STATUS_INVALID_PARAMS,
3597 &cp->addr, sizeof(cp->addr));
3598 goto unlock;
3599 }
3600
ec109113 3601 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 3602 cp->addr.type, cp->hash,
3603 cp->rand, NULL, NULL);
ec109113
MH		 3604 if (err < 0)
3605 status = MGMT_STATUS_FAILED;
3606 else
3607 status = MGMT_STATUS_SUCCESS;
3608
3609 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3610 status, &cp->addr, sizeof(cp->addr));
3611 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3612 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
3613 u8 status;
3614
c19a495c
JH		 3615 if (cp->addr.type != BDADDR_BREDR) {
3616 err = cmd_complete(sk, hdev->id,
3617 MGMT_OP_ADD_REMOTE_OOB_DATA,
3618 MGMT_STATUS_INVALID_PARAMS,
3619 &cp->addr, sizeof(cp->addr));
3620 goto unlock;
3621 }
3622
81328d5c 3623 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 3624 cp->addr.type, cp->hash192,
3625 cp->rand192, cp->hash256,
3626 cp->rand256);
ec109113
MH		 3627 if (err < 0)
3628 status = MGMT_STATUS_FAILED;
3629 else
3630 status = MGMT_STATUS_SUCCESS;
3631
3632 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3633 status, &cp->addr, sizeof(cp->addr));
3634 } else {
3635 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3636 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3637 MGMT_STATUS_INVALID_PARAMS);
3638 }
2763eda6 3639
c19a495c 3640unlock:
09fd0de5 3641 hci_dev_unlock(hdev);
2763eda6
SJ		 3642 return err;
3643}
3644
bdb6d971 3645static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3646 void *data, u16 len)
2763eda6 3647{
650f726d 3648 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3649 u8 status;
2763eda6
SJ		 3650 int err;
3651
bdb6d971 3652 BT_DBG("%s", hdev->name);
2763eda6 3653
c19a495c
JH		 3654 if (cp->addr.type != BDADDR_BREDR)
3655 return cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3656 MGMT_STATUS_INVALID_PARAMS,
3657 &cp->addr, sizeof(cp->addr));
3658
09fd0de5 3659 hci_dev_lock(hdev);
2763eda6 3660
eedbd581
JH		 3661 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
3662 hci_remote_oob_data_clear(hdev);
3663 status = MGMT_STATUS_SUCCESS;
3664 goto done;
3665 }
3666
6928a924 3667 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 3668 if (err < 0)
bf1e3541 3669 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3670 else
a6785be2 3671 status = MGMT_STATUS_SUCCESS;
bf1e3541 3672
eedbd581 3673done:
bdb6d971 3674 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3675 status, &cp->addr, sizeof(cp->addr));
2763eda6 3676
09fd0de5 3677 hci_dev_unlock(hdev);
2763eda6
SJ		 3678 return err;
3679}
3680
41dc2bd6
AG		 3681static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3682{
3683 struct pending_cmd *cmd;
3684 u8 type;
3685 int err;
3686
3687 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3688
3689 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3690 if (!cmd)
3691 return -ENOENT;
3692
3693 type = hdev->discovery.type;
3694
3695 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3696 &type, sizeof(type));
3697 mgmt_pending_remove(cmd);
3698
3699 return err;
3700}
3701
7c307720
AG		 3702static void start_discovery_complete(struct hci_dev *hdev, u8 status)
3703{
ae55f598
LR		 3704 unsigned long timeout = 0;
3705
7c307720
AG		 3706 BT_DBG("status %d", status);
3707
3708 if (status) {
3709 hci_dev_lock(hdev);
3710 mgmt_start_discovery_failed(hdev, status);
3711 hci_dev_unlock(hdev);
3712 return;
3713 }
3714
3715 hci_dev_lock(hdev);
3716 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
3717 hci_dev_unlock(hdev);
3718
3719 switch (hdev->discovery.type) {
3720 case DISCOV_TYPE_LE:
3d5a76f0 3721 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720
AG		 3722 break;
3723
3724 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3725 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720
AG		 3726 break;
3727
3728 case DISCOV_TYPE_BREDR:
3729 break;
3730
3731 default:
3732 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
3733 }
ae55f598
LR		 3734
3735 if (!timeout)
3736 return;
3737
3738 queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout);
7c307720
AG		 3739}
3740
bdb6d971 3741static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3742 void *data, u16 len)
14a53664 3743{
650f726d 3744 struct mgmt_cp_start_discovery *cp = data;
14a53664 3745 struct pending_cmd *cmd;
7c307720
AG		 3746 struct hci_cp_le_set_scan_param param_cp;
3747 struct hci_cp_le_set_scan_enable enable_cp;
3748 struct hci_cp_inquiry inq_cp;
3749 struct hci_request req;
3750 /* General inquiry access code (GIAC) */
3751 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3752 u8 status, own_addr_type;
14a53664
JH		 3753 int err;
3754
bdb6d971 3755 BT_DBG("%s", hdev->name);
14a53664 3756
09fd0de5 3757 hci_dev_lock(hdev);
14a53664 3758
4b34ee78 3759 if (!hdev_is_powered(hdev)) {
a736abc1
SJ		 3760 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3761 MGMT_STATUS_NOT_POWERED,
3762 &cp->type, sizeof(cp->type));
bd2d1334
JH		 3763 goto failed;
3764 }
3765
642be6c7 3766 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
a736abc1
SJ		 3767 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3768 MGMT_STATUS_BUSY, &cp->type,
3769 sizeof(cp->type));
642be6c7
AG		 3770 goto failed;
3771 }
3772
ff9ef578 3773 if (hdev->discovery.state != DISCOVERY_STOPPED) {
a736abc1
SJ		 3774 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3775 MGMT_STATUS_BUSY, &cp->type,
3776 sizeof(cp->type));
ff9ef578
JH		 3777 goto failed;
3778 }
3779
2e58ef3e 3780 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3781 if (!cmd) {
3782 err = -ENOMEM;
3783 goto failed;
3784 }
3785
4aab14e5
AG		 3786 hdev->discovery.type = cp->type;
3787
7c307720
AG		 3788 hci_req_init(&req, hdev);
3789
4aab14e5 3790 switch (hdev->discovery.type) {
f39799f5 3791 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3792 status = mgmt_bredr_support(hdev);
3793 if (status) {
a736abc1
SJ		 3794 err = cmd_complete(sk, hdev->id,
3795 MGMT_OP_START_DISCOVERY, status,
3796 &cp->type, sizeof(cp->type));
04106755
JH		 3797 mgmt_pending_remove(cmd);
3798 goto failed;
3799 }
3800
7c307720 3801 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
a736abc1
SJ		 3802 err = cmd_complete(sk, hdev->id,
3803 MGMT_OP_START_DISCOVERY,
3804 MGMT_STATUS_BUSY, &cp->type,
3805 sizeof(cp->type));
7c307720
AG		 3806 mgmt_pending_remove(cmd);
3807 goto failed;
3808 }
3809
3810 hci_inquiry_cache_flush(hdev);
3811
3812 memset(&inq_cp, 0, sizeof(inq_cp));
3813 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3814 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3815 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3816 break;
3817
3818 case DISCOV_TYPE_LE:
7c307720 3819 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3820 status = mgmt_le_support(hdev);
3821 if (status) {
a736abc1
SJ		 3822 err = cmd_complete(sk, hdev->id,
3823 MGMT_OP_START_DISCOVERY, status,
3824 &cp->type, sizeof(cp->type));
04106755
JH		 3825 mgmt_pending_remove(cmd);
3826 goto failed;
3827 }
3828
7c307720 3829 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3830 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
a736abc1
SJ		 3831 err = cmd_complete(sk, hdev->id,
3832 MGMT_OP_START_DISCOVERY,
3833 MGMT_STATUS_NOT_SUPPORTED,
3834 &cp->type, sizeof(cp->type));
04106755
JH		 3835 mgmt_pending_remove(cmd);
3836 goto failed;
3837 }
3838
e8bb6b97
JH		 3839 if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
3840 /* Don't let discovery abort an outgoing
3841 * connection attempt that's using directed
3842 * advertising.
3843 */
3844 if (hci_conn_hash_lookup_state(hdev, LE_LINK,
3845 BT_CONNECT)) {
a736abc1
SJ		 3846 err = cmd_complete(sk, hdev->id,
3847 MGMT_OP_START_DISCOVERY,
3848 MGMT_STATUS_REJECTED,
3849 &cp->type,
3850 sizeof(cp->type));
e8bb6b97
JH		 3851 mgmt_pending_remove(cmd);
3852 goto failed;
3853 }
3854
3855 disable_advertising(&req);
7c307720
AG		 3856 }
3857
c54c3860
AG		 3858 /* If controller is scanning, it means the background scanning
3859 * is running. Thus, we should temporarily stop it in order to
3860 * set the discovery scanning parameters.
3861 */
3862 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3863 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3864
3865 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3866
94b1fc92
MH		 3867 /* All active scans will be done with either a resolvable
3868 * private address (when privacy feature has been enabled)
3869 * or unresolvable private address.
3870 */
3871 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943 3872 if (err < 0) {
a736abc1
SJ		 3873 err = cmd_complete(sk, hdev->id,
3874 MGMT_OP_START_DISCOVERY,
3875 MGMT_STATUS_FAILED,
3876 &cp->type, sizeof(cp->type));
d9483943
JH		 3877 mgmt_pending_remove(cmd);
3878 goto failed;
3879 }
3880
7c307720 3881 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3882 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3883 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3884 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3885 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3886 &param_cp);
3887
3888 memset(&enable_cp, 0, sizeof(enable_cp));
3889 enable_cp.enable = LE_SCAN_ENABLE;
3890 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3891 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3892 &enable_cp);
5e0452c0
AG		 3893 break;
3894
f39799f5 3895 default:
a736abc1
SJ		 3896 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3897 MGMT_STATUS_INVALID_PARAMS,
3898 &cp->type, sizeof(cp->type));
04106755
JH		 3899 mgmt_pending_remove(cmd);
3900 goto failed;
f39799f5 3901 }
3fd24153 3902
7c307720 3903 err = hci_req_run(&req, start_discovery_complete);
14a53664
JH		 3904 if (err < 0)
3905 mgmt_pending_remove(cmd);
ff9ef578
JH		 3906 else
3907 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3908
3909failed:
09fd0de5 3910 hci_dev_unlock(hdev);
14a53664
JH		 3911 return err;
3912}
3913
1183fdca
AG		 3914static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3915{
3916 struct pending_cmd *cmd;
3917 int err;
3918
3919 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3920 if (!cmd)
3921 return -ENOENT;
3922
3923 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3924 &hdev->discovery.type, sizeof(hdev->discovery.type));
3925 mgmt_pending_remove(cmd);
3926
3927 return err;
3928}
3929
0e05bba6
AG		 3930static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
3931{
3932 BT_DBG("status %d", status);
3933
3934 hci_dev_lock(hdev);
3935
3936 if (status) {
3937 mgmt_stop_discovery_failed(hdev, status);
3938 goto unlock;
3939 }
3940
3941 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3942
3943unlock:
3944 hci_dev_unlock(hdev);
3945}
3946
bdb6d971 3947static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3948 u16 len)
14a53664 3949{
d930650b 3950 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3951 struct pending_cmd *cmd;
0e05bba6 3952 struct hci_request req;
14a53664
JH		 3953 int err;
3954
bdb6d971 3955 BT_DBG("%s", hdev->name);
14a53664 3956
09fd0de5 3957 hci_dev_lock(hdev);
14a53664 3958
30dc78e1 3959 if (!hci_discovery_active(hdev)) {
bdb6d971 3960 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3961 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3962 sizeof(mgmt_cp->type));
d930650b
JH		 3963 goto unlock;
3964 }
3965
3966 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3967 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3968 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3969 sizeof(mgmt_cp->type));
30dc78e1 3970 goto unlock;
ff9ef578
JH		 3971 }
3972
2e58ef3e 3973 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3974 if (!cmd) {
3975 err = -ENOMEM;
30dc78e1
JH		 3976 goto unlock;
3977 }
3978
0e05bba6
AG		 3979 hci_req_init(&req, hdev);
3980
21a60d30 3981 hci_stop_discovery(&req);
e0d9727e 3982
21a60d30
JH		 3983 err = hci_req_run(&req, stop_discovery_complete);
3984 if (!err) {
3985 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3986 goto unlock;
14a53664
JH		 3987 }
3988
21a60d30
JH		 3989 mgmt_pending_remove(cmd);
3990
3991 /* If no HCI commands were sent we're done */
3992 if (err == -ENODATA) {
3993 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3994 &mgmt_cp->type, sizeof(mgmt_cp->type));
3995 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3996 }
14a53664 3997
30dc78e1 3998unlock:
09fd0de5 3999 hci_dev_unlock(hdev);
14a53664
JH		 4000 return err;
4001}
4002
bdb6d971 4003static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4004 u16 len)
561aafbc 4005{
650f726d 4006 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4007 struct inquiry_entry *e;
561aafbc
JH		 4008 int err;
4009
bdb6d971 4010 BT_DBG("%s", hdev->name);
561aafbc 4011
561aafbc
JH		 4012 hci_dev_lock(hdev);
4013
30dc78e1 4014 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 4015 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4016 MGMT_STATUS_FAILED, &cp->addr,
4017 sizeof(cp->addr));
30dc78e1
JH		 4018 goto failed;
4019 }
4020
a198e7b1 4021 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4022 if (!e) {
d3a2541d
LR		 4023 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4024 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4025 sizeof(cp->addr));
561aafbc
JH		 4026 goto failed;
4027 }
4028
4029 if (cp->name_known) {
4030 e->name_state = NAME_KNOWN;
4031 list_del(&e->list);
4032 } else {
4033 e->name_state = NAME_NEEDED;
a3d4e20a 4034 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4035 }
4036
e384662b
JH		 4037 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
4038 sizeof(cp->addr));
561aafbc
JH		 4039
4040failed:
4041 hci_dev_unlock(hdev);
561aafbc
JH		 4042 return err;
4043}
4044
bdb6d971 4045static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4046 u16 len)
7fbec224 4047{
650f726d 4048 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4049 u8 status;
7fbec224
AJ		 4050 int err;
4051
bdb6d971 4052 BT_DBG("%s", hdev->name);
7fbec224 4053
4ee71b20 4054 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4055 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4056 MGMT_STATUS_INVALID_PARAMS,
4057 &cp->addr, sizeof(cp->addr));
4ee71b20 4058
09fd0de5 4059 hci_dev_lock(hdev);
5e762444 4060
dcc36c16
JH		 4061 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4062 cp->addr.type);
2a8357f2 4063 if (err < 0) {
f0eeea8b 4064 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4065 goto done;
4066 }
4067
4068 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4069 sk);
4070 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4071
2a8357f2 4072done:
bdb6d971 4073 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 4074 &cp->addr, sizeof(cp->addr));
5e762444 4075
09fd0de5 4076 hci_dev_unlock(hdev);
7fbec224
AJ		 4077
4078 return err;
4079}
4080
bdb6d971 4081static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4082 u16 len)
7fbec224 4083{
650f726d 4084 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4085 u8 status;
7fbec224
AJ		 4086 int err;
4087
bdb6d971 4088 BT_DBG("%s", hdev->name);
7fbec224 4089
4ee71b20 4090 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4091 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4092 MGMT_STATUS_INVALID_PARAMS,
4093 &cp->addr, sizeof(cp->addr));
4ee71b20 4094
09fd0de5 4095 hci_dev_lock(hdev);
5e762444 4096
dcc36c16
JH		 4097 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4098 cp->addr.type);
2a8357f2 4099 if (err < 0) {
f0eeea8b 4100 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4101 goto done;
4102 }
4103
4104 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4105 sk);
4106 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4107
2a8357f2 4108done:
bdb6d971 4109 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 4110 &cp->addr, sizeof(cp->addr));
5e762444 4111
09fd0de5 4112 hci_dev_unlock(hdev);
7fbec224
AJ		 4113
4114 return err;
4115}
4116
cdbaccca
MH		 4117static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4118 u16 len)
4119{
4120 struct mgmt_cp_set_device_id *cp = data;
890ea898 4121 struct hci_request req;
cdbaccca 4122 int err;
c72d4b8a 4123 __u16 source;
cdbaccca
MH		 4124
4125 BT_DBG("%s", hdev->name);
4126
c72d4b8a
SJ		 4127 source = __le16_to_cpu(cp->source);
4128
4129 if (source > 0x0002)
4130 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4131 MGMT_STATUS_INVALID_PARAMS);
4132
cdbaccca
MH		 4133 hci_dev_lock(hdev);
4134
c72d4b8a 4135 hdev->devid_source = source;
cdbaccca
MH		 4136 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4137 hdev->devid_product = __le16_to_cpu(cp->product);
4138 hdev->devid_version = __le16_to_cpu(cp->version);
4139
4140 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
4141
890ea898
JH		 4142 hci_req_init(&req, hdev);
4143 update_eir(&req);
4144 hci_req_run(&req, NULL);
cdbaccca
MH		 4145
4146 hci_dev_unlock(hdev);
4147
4148 return err;
4149}
4150
4375f103
JH		 4151static void set_advertising_complete(struct hci_dev *hdev, u8 status)
4152{
4153 struct cmd_lookup match = { NULL, hdev };
4154
4155 if (status) {
4156 u8 mgmt_err = mgmt_status(status);
4157
4158 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4159 cmd_status_rsp, &mgmt_err);
4160 return;
4161 }
4162
c93bd150
JH		 4163 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
4164 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
4165 else
4166 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
4167
4375f103
JH		 4168 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4169 &match);
4170
4171 new_settings(hdev, match.sk);
4172
4173 if (match.sk)
4174 sock_put(match.sk);
4175}
4176
21b5187f
MH		 4177static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4178 u16 len)
4375f103
JH		 4179{
4180 struct mgmt_mode *cp = data;
4181 struct pending_cmd *cmd;
4182 struct hci_request req;
e6fe7986 4183 u8 val, enabled, status;
4375f103
JH		 4184 int err;
4185
4186 BT_DBG("request for %s", hdev->name);
4187
e6fe7986
JH		 4188 status = mgmt_le_support(hdev);
4189 if (status)
4375f103 4190 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 4191 status);
4375f103
JH		 4192
4193 if (cp->val != 0x00 && cp->val != 0x01)
4194 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4195 MGMT_STATUS_INVALID_PARAMS);
4196
4197 hci_dev_lock(hdev);
4198
4199 val = !!cp->val;
f3d3444a 4200 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 4201
f74ca9b8
JH		 4202 /* The following conditions are ones which mean that we should
4203 * not do any HCI communication but directly send a mgmt
4204 * response to user space (after toggling the flag if
4205 * necessary).
4206 */
4207 if (!hdev_is_powered(hdev) || val == enabled ||
e8bb6b97
JH		 4208 hci_conn_num(hdev, LE_LINK) > 0 ||
4209 (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4210 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4375f103
JH		 4211 bool changed = false;
4212
f3d3444a
JH		 4213 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
4214 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 4215 changed = true;
4216 }
4217
4218 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4219 if (err < 0)
4220 goto unlock;
4221
4222 if (changed)
4223 err = new_settings(hdev, sk);
4224
4225 goto unlock;
4226 }
4227
4228 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4229 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
4230 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4231 MGMT_STATUS_BUSY);
4232 goto unlock;
4233 }
4234
4235 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4236 if (!cmd) {
4237 err = -ENOMEM;
4238 goto unlock;
4239 }
4240
4241 hci_req_init(&req, hdev);
4242
bba3aa55
MH		 4243 if (val)
4244 enable_advertising(&req);
4245 else
4246 disable_advertising(&req);
4375f103
JH		 4247
4248 err = hci_req_run(&req, set_advertising_complete);
4249 if (err < 0)
4250 mgmt_pending_remove(cmd);
4251
4252unlock:
4253 hci_dev_unlock(hdev);
4254 return err;
4255}
4256
d13eafce
MH		 4257static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4258 void *data, u16 len)
4259{
4260 struct mgmt_cp_set_static_address *cp = data;
4261 int err;
4262
4263 BT_DBG("%s", hdev->name);
4264
62af4443 4265 if (!lmp_le_capable(hdev))
d13eafce 4266 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 4267 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4268
4269 if (hdev_is_powered(hdev))
4270 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4271 MGMT_STATUS_REJECTED);
4272
4273 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4274 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4275 return cmd_status(sk, hdev->id,
4276 MGMT_OP_SET_STATIC_ADDRESS,
4277 MGMT_STATUS_INVALID_PARAMS);
4278
4279 /* Two most significant bits shall be set */
4280 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4281 return cmd_status(sk, hdev->id,
4282 MGMT_OP_SET_STATIC_ADDRESS,
4283 MGMT_STATUS_INVALID_PARAMS);
4284 }
4285
4286 hci_dev_lock(hdev);
4287
4288 bacpy(&hdev->static_addr, &cp->bdaddr);
4289
4290 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
4291
4292 hci_dev_unlock(hdev);
4293
4294 return err;
4295}
4296
14b49b9a
MH		 4297static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4298 void *data, u16 len)
4299{
4300 struct mgmt_cp_set_scan_params *cp = data;
4301 __u16 interval, window;
4302 int err;
4303
4304 BT_DBG("%s", hdev->name);
4305
4306 if (!lmp_le_capable(hdev))
4307 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4308 MGMT_STATUS_NOT_SUPPORTED);
4309
4310 interval = __le16_to_cpu(cp->interval);
4311
4312 if (interval < 0x0004 || interval > 0x4000)
4313 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4314 MGMT_STATUS_INVALID_PARAMS);
4315
4316 window = __le16_to_cpu(cp->window);
4317
4318 if (window < 0x0004 || window > 0x4000)
4319 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4320 MGMT_STATUS_INVALID_PARAMS);
4321
899e1075
MH		 4322 if (window > interval)
4323 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4324 MGMT_STATUS_INVALID_PARAMS);
4325
14b49b9a
MH		 4326 hci_dev_lock(hdev);
4327
4328 hdev->le_scan_interval = interval;
4329 hdev->le_scan_window = window;
4330
4331 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4332
dd2ef8e2
AG		 4333 /* If background scan is running, restart it so new parameters are
4334 * loaded.
4335 */
4336 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4337 hdev->discovery.state == DISCOVERY_STOPPED) {
4338 struct hci_request req;
4339
4340 hci_req_init(&req, hdev);
4341
4342 hci_req_add_le_scan_disable(&req);
4343 hci_req_add_le_passive_scan(&req);
4344
4345 hci_req_run(&req, NULL);
4346 }
4347
14b49b9a
MH		 4348 hci_dev_unlock(hdev);
4349
4350 return err;
4351}
4352
33e38b3e
JH		 4353static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4354{
4355 struct pending_cmd *cmd;
4356
4357 BT_DBG("status 0x%02x", status);
4358
4359 hci_dev_lock(hdev);
4360
4361 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4362 if (!cmd)
4363 goto unlock;
4364
4365 if (status) {
4366 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4367 mgmt_status(status));
4368 } else {
1a4d3c4b
JH		 4369 struct mgmt_mode *cp = cmd->param;
4370
4371 if (cp->val)
4372 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4373 else
4374 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4375
33e38b3e
JH		 4376 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4377 new_settings(hdev, cmd->sk);
4378 }
4379
4380 mgmt_pending_remove(cmd);
4381
4382unlock:
4383 hci_dev_unlock(hdev);
4384}
4385
bdb6d971 4386static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4387 void *data, u16 len)
f6422ec6 4388{
650f726d 4389 struct mgmt_mode *cp = data;
33e38b3e
JH		 4390 struct pending_cmd *cmd;
4391 struct hci_request req;
f6422ec6
AJ		 4392 int err;
4393
bdb6d971 4394 BT_DBG("%s", hdev->name);
f6422ec6 4395
56f87901
JH		 4396 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4397 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4398 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4399 MGMT_STATUS_NOT_SUPPORTED);
4400
a7e80f25
JH		 4401 if (cp->val != 0x00 && cp->val != 0x01)
4402 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4403 MGMT_STATUS_INVALID_PARAMS);
4404
5400c044 4405 if (!hdev_is_powered(hdev))
bdb6d971 4406 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4407 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4408
4409 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4410 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4411 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4412
4413 hci_dev_lock(hdev);
4414
05cbf29f
JH		 4415 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4416 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4417 MGMT_STATUS_BUSY);
4418 goto unlock;
4419 }
4420
1a4d3c4b
JH		 4421 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4422 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4423 hdev);
4424 goto unlock;
4425 }
4426
33e38b3e
JH		 4427 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4428 data, len);
4429 if (!cmd) {
4430 err = -ENOMEM;
4431 goto unlock;
f6422ec6
AJ		 4432 }
4433
33e38b3e
JH		 4434 hci_req_init(&req, hdev);
4435
406d7804 4436 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4437
4438 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4439 if (err < 0) {
bdb6d971 4440 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4441 MGMT_STATUS_FAILED);
33e38b3e 4442 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4443 }
4444
33e38b3e 4445unlock:
f6422ec6 4446 hci_dev_unlock(hdev);
33e38b3e 4447
f6422ec6
AJ		 4448 return err;
4449}
4450
0663ca2a
JH		 4451static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4452{
4453 struct pending_cmd *cmd;
4454
4455 BT_DBG("status 0x%02x", status);
4456
4457 hci_dev_lock(hdev);
4458
4459 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4460 if (!cmd)
4461 goto unlock;
4462
4463 if (status) {
4464 u8 mgmt_err = mgmt_status(status);
4465
4466 /* We need to restore the flag if related HCI commands
4467 * failed.
4468 */
4469 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4470
4471 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4472 } else {
4473 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4474 new_settings(hdev, cmd->sk);
4475 }
4476
4477 mgmt_pending_remove(cmd);
4478
4479unlock:
4480 hci_dev_unlock(hdev);
4481}
4482
4483static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4484{
4485 struct mgmt_mode *cp = data;
4486 struct pending_cmd *cmd;
4487 struct hci_request req;
4488 int err;
4489
4490 BT_DBG("request for %s", hdev->name);
4491
4492 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4493 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4494 MGMT_STATUS_NOT_SUPPORTED);
4495
4496 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4497 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4498 MGMT_STATUS_REJECTED);
4499
4500 if (cp->val != 0x00 && cp->val != 0x01)
4501 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4502 MGMT_STATUS_INVALID_PARAMS);
4503
4504 hci_dev_lock(hdev);
4505
4506 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4507 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4508 goto unlock;
4509 }
4510
4511 if (!hdev_is_powered(hdev)) {
4512 if (!cp->val) {
0663ca2a
JH		 4513 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4514 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4515 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4516 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4517 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4518 }
4519
4520 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4521
4522 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4523 if (err < 0)
4524 goto unlock;
4525
4526 err = new_settings(hdev, sk);
4527 goto unlock;
4528 }
4529
4530 /* Reject disabling when powered on */
4531 if (!cp->val) {
4532 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4533 MGMT_STATUS_REJECTED);
4534 goto unlock;
4535 }
4536
4537 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4538 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4539 MGMT_STATUS_BUSY);
4540 goto unlock;
4541 }
4542
4543 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4544 if (!cmd) {
4545 err = -ENOMEM;
4546 goto unlock;
4547 }
4548
5947f4bc 4549 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4550 * generates the correct flags.
4551 */
4552 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4553
4554 hci_req_init(&req, hdev);
aa8af46e 4555
432df05e
JH		 4556 write_fast_connectable(&req, false);
4557 hci_update_page_scan(hdev, &req);
aa8af46e 4558
f14d8f64
MH		 4559 /* Since only the advertising data flags will change, there
4560 * is no need to update the scan response data.
4561 */
5947f4bc 4562 update_adv_data(&req);
aa8af46e 4563
0663ca2a
JH		 4564 err = hci_req_run(&req, set_bredr_complete);
4565 if (err < 0)
4566 mgmt_pending_remove(cmd);
4567
4568unlock:
4569 hci_dev_unlock(hdev);
4570 return err;
4571}
4572
eac83dc6
MH		 4573static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4574 void *data, u16 len)
4575{
4576 struct mgmt_mode *cp = data;
4577 struct pending_cmd *cmd;
a3209694 4578 u8 val;
eac83dc6
MH		 4579 int err;
4580
4581 BT_DBG("request for %s", hdev->name);
4582
a3209694
JH		 4583 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
4584 !lmp_sc_capable(hdev) && !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4585 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4586 MGMT_STATUS_NOT_SUPPORTED);
4587
0ab04a9c 4588 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4589 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4590 MGMT_STATUS_INVALID_PARAMS);
4591
4592 hci_dev_lock(hdev);
4593
a3209694
JH		 4594 if (!hdev_is_powered(hdev) ||
4595 (!lmp_sc_capable(hdev) &&
4596 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags)) ||
4597 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
eac83dc6
MH		 4598 bool changed;
4599
0ab04a9c 4600 if (cp->val) {
eac83dc6
MH		 4601 changed = !test_and_set_bit(HCI_SC_ENABLED,
4602 &hdev->dev_flags);
0ab04a9c
MH		 4603 if (cp->val == 0x02)
4604 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4605 else
4606 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4607 } else {
eac83dc6
MH		 4608 changed = test_and_clear_bit(HCI_SC_ENABLED,
4609 &hdev->dev_flags);
0ab04a9c
MH		 4610 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4611 }
eac83dc6
MH		 4612
4613 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4614 if (err < 0)
4615 goto failed;
4616
4617 if (changed)
4618 err = new_settings(hdev, sk);
4619
4620 goto failed;
4621 }
4622
4623 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4624 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4625 MGMT_STATUS_BUSY);
4626 goto failed;
4627 }
4628
0ab04a9c
MH		 4629 val = !!cp->val;
4630
4631 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4632 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4633 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4634 goto failed;
4635 }
4636
4637 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4638 if (!cmd) {
4639 err = -ENOMEM;
4640 goto failed;
4641 }
4642
0ab04a9c 4643 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4644 if (err < 0) {
4645 mgmt_pending_remove(cmd);
4646 goto failed;
4647 }
4648
0ab04a9c
MH		 4649 if (cp->val == 0x02)
4650 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4651 else
4652 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4653
eac83dc6
MH		 4654failed:
4655 hci_dev_unlock(hdev);
4656 return err;
4657}
4658
4e39ac81
MH		 4659static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4660 void *data, u16 len)
4661{
4662 struct mgmt_mode *cp = data;
b9710979 4663 bool changed, use_changed;
4e39ac81
MH		 4664 int err;
4665
4666 BT_DBG("request for %s", hdev->name);
4667
b9710979 4668 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4669 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4670 MGMT_STATUS_INVALID_PARAMS);
4671
4672 hci_dev_lock(hdev);
4673
4674 if (cp->val)
0663b297
JH		 4675 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4676 &hdev->dev_flags);
4e39ac81 4677 else
0663b297
JH		 4678 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4679 &hdev->dev_flags);
4e39ac81 4680
b9710979
JH		 4681 if (cp->val == 0x02)
4682 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4683 &hdev->dev_flags);
4684 else
4685 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4686 &hdev->dev_flags);
4687
4688 if (hdev_is_powered(hdev) && use_changed &&
4689 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4690 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4691 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4692 sizeof(mode), &mode);
4693 }
4694
4e39ac81
MH		 4695 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4696 if (err < 0)
4697 goto unlock;
4698
4699 if (changed)
4700 err = new_settings(hdev, sk);
4701
4702unlock:
4703 hci_dev_unlock(hdev);
4704 return err;
4705}
4706
62b04cd1
JH		 4707static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4708 u16 len)
4709{
4710 struct mgmt_cp_set_privacy *cp = cp_data;
4711 bool changed;
4712 int err;
4713
4714 BT_DBG("request for %s", hdev->name);
4715
4716 if (!lmp_le_capable(hdev))
4717 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4718 MGMT_STATUS_NOT_SUPPORTED);
4719
4720 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4721 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4722 MGMT_STATUS_INVALID_PARAMS);
4723
4724 if (hdev_is_powered(hdev))
4725 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4726 MGMT_STATUS_REJECTED);
4727
4728 hci_dev_lock(hdev);
4729
c21c0ea0
JH		 4730 /* If user space supports this command it is also expected to
4731 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4732 */
4733 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4734
62b04cd1
JH		 4735 if (cp->privacy) {
4736 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4737 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4738 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4739 } else {
4740 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4741 memset(hdev->irk, 0, sizeof(hdev->irk));
4742 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4743 }
4744
4745 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4746 if (err < 0)
4747 goto unlock;
4748
4749 if (changed)
4750 err = new_settings(hdev, sk);
4751
4752unlock:
4753 hci_dev_unlock(hdev);
4754 return err;
4755}
4756
41edf160
JH		 4757static bool irk_is_valid(struct mgmt_irk_info *irk)
4758{
4759 switch (irk->addr.type) {
4760 case BDADDR_LE_PUBLIC:
4761 return true;
4762
4763 case BDADDR_LE_RANDOM:
4764 /* Two most significant bits shall be set */
4765 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4766 return false;
4767 return true;
4768 }
4769
4770 return false;
4771}
4772
4773static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4774 u16 len)
4775{
4776 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4777 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4778 sizeof(struct mgmt_irk_info));
41edf160
JH		 4779 u16 irk_count, expected_len;
4780 int i, err;
4781
4782 BT_DBG("request for %s", hdev->name);
4783
4784 if (!lmp_le_capable(hdev))
4785 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4786 MGMT_STATUS_NOT_SUPPORTED);
4787
4788 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4789 if (irk_count > max_irk_count) {
4790 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4791 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4792 MGMT_STATUS_INVALID_PARAMS);
4793 }
41edf160
JH		 4794
4795 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4796 if (expected_len != len) {
4797 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4798 expected_len, len);
41edf160
JH		 4799 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4800 MGMT_STATUS_INVALID_PARAMS);
4801 }
4802
4803 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4804
4805 for (i = 0; i < irk_count; i++) {
4806 struct mgmt_irk_info *key = &cp->irks[i];
4807
4808 if (!irk_is_valid(key))
4809 return cmd_status(sk, hdev->id,
4810 MGMT_OP_LOAD_IRKS,
4811 MGMT_STATUS_INVALID_PARAMS);
4812 }
4813
4814 hci_dev_lock(hdev);
4815
4816 hci_smp_irks_clear(hdev);
4817
4818 for (i = 0; i < irk_count; i++) {
4819 struct mgmt_irk_info *irk = &cp->irks[i];
4820 u8 addr_type;
4821
4822 if (irk->addr.type == BDADDR_LE_PUBLIC)
4823 addr_type = ADDR_LE_DEV_PUBLIC;
4824 else
4825 addr_type = ADDR_LE_DEV_RANDOM;
4826
4827 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4828 BDADDR_ANY);
4829 }
4830
4831 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4832
4833 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4834
4835 hci_dev_unlock(hdev);
4836
4837 return err;
4838}
4839
3f706b72
JH		 4840static bool ltk_is_valid(struct mgmt_ltk_info *key)
4841{
4842 if (key->master != 0x00 && key->master != 0x01)
4843 return false;
490cb0b3
MH		 4844
4845 switch (key->addr.type) {
4846 case BDADDR_LE_PUBLIC:
4847 return true;
4848
4849 case BDADDR_LE_RANDOM:
4850 /* Two most significant bits shall be set */
4851 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4852 return false;
4853 return true;
4854 }
4855
4856 return false;
3f706b72
JH		 4857}
4858
bdb6d971 4859static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4860 void *cp_data, u16 len)
346af67b 4861{
346af67b 4862 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4863 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4864 sizeof(struct mgmt_ltk_info));
346af67b 4865 u16 key_count, expected_len;
715a5bf2 4866 int i, err;
346af67b 4867
cf99ba13
MH		 4868 BT_DBG("request for %s", hdev->name);
4869
4870 if (!lmp_le_capable(hdev))
4871 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4872 MGMT_STATUS_NOT_SUPPORTED);
4873
1f350c87 4874 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4875 if (key_count > max_key_count) {
4876 BT_ERR("load_ltks: too big key_count value %u", key_count);
4877 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4878 MGMT_STATUS_INVALID_PARAMS);
4879 }
346af67b
VCG		 4880
4881 expected_len = sizeof(*cp) + key_count *
4882 sizeof(struct mgmt_ltk_info);
4883 if (expected_len != len) {
4884 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4885 expected_len, len);
bdb6d971 4886 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4887 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4888 }
4889
bdb6d971 4890 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4891
54ad6d8a
JH		 4892 for (i = 0; i < key_count; i++) {
4893 struct mgmt_ltk_info *key = &cp->keys[i];
4894
3f706b72 4895 if (!ltk_is_valid(key))
54ad6d8a
JH		 4896 return cmd_status(sk, hdev->id,
4897 MGMT_OP_LOAD_LONG_TERM_KEYS,
4898 MGMT_STATUS_INVALID_PARAMS);
4899 }
4900
346af67b
VCG		 4901 hci_dev_lock(hdev);
4902
4903 hci_smp_ltks_clear(hdev);
4904
4905 for (i = 0; i < key_count; i++) {
4906 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4907 u8 type, addr_type, authenticated;
79d95a19
MH		 4908
4909 if (key->addr.type == BDADDR_LE_PUBLIC)
4910 addr_type = ADDR_LE_DEV_PUBLIC;
4911 else
4912 addr_type = ADDR_LE_DEV_RANDOM;
346af67b 4913
61b43357
JH		 4914 switch (key->type) {
4915 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4916 authenticated = 0x00;
23fb8de3 4917 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 4918 break;
4919 case MGMT_LTK_AUTHENTICATED:
d7b25450 4920 authenticated = 0x01;
23fb8de3
JH		 4921 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4922 break;
4923 case MGMT_LTK_P256_UNAUTH:
4924 authenticated = 0x00;
4925 type = SMP_LTK_P256;
4926 break;
4927 case MGMT_LTK_P256_AUTH:
4928 authenticated = 0x01;
4929 type = SMP_LTK_P256;
61b43357 4930 break;
23fb8de3
JH		 4931 case MGMT_LTK_P256_DEBUG:
4932 authenticated = 0x00;
4933 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 4934 default:
4935 continue;
4936 }
d7b25450 4937
35d70271 4938 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4939 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4940 key->rand);
346af67b
VCG		 4941 }
4942
715a5bf2
JH		 4943 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4944 NULL, 0);
4945
346af67b 4946 hci_dev_unlock(hdev);
346af67b 4947
715a5bf2 4948 return err;
346af67b
VCG		 4949}
4950
dd983808
AK		 4951struct cmd_conn_lookup {
4952 struct hci_conn *conn;
4953 bool valid_tx_power;
4954 u8 mgmt_status;
4955};
4956
4957static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4958{
4959 struct cmd_conn_lookup *match = data;
4960 struct mgmt_cp_get_conn_info *cp;
4961 struct mgmt_rp_get_conn_info rp;
4962 struct hci_conn *conn = cmd->user_data;
4963
4964 if (conn != match->conn)
4965 return;
4966
4967 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4968
4969 memset(&rp, 0, sizeof(rp));
4970 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4971 rp.addr.type = cp->addr.type;
4972
4973 if (!match->mgmt_status) {
4974 rp.rssi = conn->rssi;
4975
eed5daf3 4976 if (match->valid_tx_power) {
dd983808 4977 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4978 rp.max_tx_power = conn->max_tx_power;
4979 } else {
dd983808 4980 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4981 rp.max_tx_power = HCI_TX_POWER_INVALID;
4982 }
dd983808
AK		 4983 }
4984
4985 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4986 match->mgmt_status, &rp, sizeof(rp));
4987
4988 hci_conn_drop(conn);
f8aaf9b6 4989 hci_conn_put(conn);
dd983808
AK		 4990
4991 mgmt_pending_remove(cmd);
4992}
4993
4994static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4995{
4996 struct hci_cp_read_rssi *cp;
4997 struct hci_conn *conn;
4998 struct cmd_conn_lookup match;
4999 u16 handle;
5000
5001 BT_DBG("status 0x%02x", status);
5002
5003 hci_dev_lock(hdev);
5004
5005 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 5006 * otherwise we assume it's not valid. At the moment we assume that
5007 * either both or none of current and max values are valid to keep code
5008 * simple.
dd983808
AK		 5009 */
5010 match.valid_tx_power = !status;
5011
5012 /* Commands sent in request are either Read RSSI or Read Transmit Power
5013 * Level so we check which one was last sent to retrieve connection
5014 * handle. Both commands have handle as first parameter so it's safe to
5015 * cast data on the same command struct.
5016 *
5017 * First command sent is always Read RSSI and we fail only if it fails.
5018 * In other case we simply override error to indicate success as we
5019 * already remembered if TX power value is actually valid.
5020 */
5021 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5022 if (!cp) {
5023 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
5024 status = 0;
5025 }
5026
5027 if (!cp) {
5028 BT_ERR("invalid sent_cmd in response");
5029 goto unlock;
5030 }
5031
5032 handle = __le16_to_cpu(cp->handle);
5033 conn = hci_conn_hash_lookup_handle(hdev, handle);
5034 if (!conn) {
5035 BT_ERR("unknown handle (%d) in response", handle);
5036 goto unlock;
5037 }
5038
5039 match.conn = conn;
5040 match.mgmt_status = mgmt_status(status);
5041
5042 /* Cache refresh is complete, now reply for mgmt request for given
5043 * connection only.
5044 */
5045 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
5046 get_conn_info_complete, &match);
5047
5048unlock:
5049 hci_dev_unlock(hdev);
5050}
5051
5052static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5053 u16 len)
5054{
5055 struct mgmt_cp_get_conn_info *cp = data;
5056 struct mgmt_rp_get_conn_info rp;
5057 struct hci_conn *conn;
5058 unsigned long conn_info_age;
5059 int err = 0;
5060
5061 BT_DBG("%s", hdev->name);
5062
5063 memset(&rp, 0, sizeof(rp));
5064 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5065 rp.addr.type = cp->addr.type;
5066
5067 if (!bdaddr_type_is_valid(cp->addr.type))
5068 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5069 MGMT_STATUS_INVALID_PARAMS,
5070 &rp, sizeof(rp));
5071
5072 hci_dev_lock(hdev);
5073
5074 if (!hdev_is_powered(hdev)) {
5075 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5076 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5077 goto unlock;
5078 }
5079
5080 if (cp->addr.type == BDADDR_BREDR)
5081 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5082 &cp->addr.bdaddr);
5083 else
5084 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5085
5086 if (!conn || conn->state != BT_CONNECTED) {
5087 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5088 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
5089 goto unlock;
5090 }
5091
5092 /* To avoid client trying to guess when to poll again for information we
5093 * calculate conn info age as random value between min/max set in hdev.
5094 */
5095 conn_info_age = hdev->conn_info_min_age +
5096 prandom_u32_max(hdev->conn_info_max_age -
5097 hdev->conn_info_min_age);
5098
5099 /* Query controller to refresh cached values if they are too old or were
5100 * never read.
5101 */
f4e2dd53
AK		 5102 if (time_after(jiffies, conn->conn_info_timestamp +
5103 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5104 !conn->conn_info_timestamp) {
5105 struct hci_request req;
5106 struct hci_cp_read_tx_power req_txp_cp;
5107 struct hci_cp_read_rssi req_rssi_cp;
5108 struct pending_cmd *cmd;
5109
5110 hci_req_init(&req, hdev);
5111 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5112 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5113 &req_rssi_cp);
5114
f7faab0c
AK		 5115 /* For LE links TX power does not change thus we don't need to
5116 * query for it once value is known.
5117 */
5118 if (!bdaddr_type_is_le(cp->addr.type) ||
5119 conn->tx_power == HCI_TX_POWER_INVALID) {
5120 req_txp_cp.handle = cpu_to_le16(conn->handle);
5121 req_txp_cp.type = 0x00;
5122 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5123 sizeof(req_txp_cp), &req_txp_cp);
5124 }
dd983808 5125
eed5daf3
AK		 5126 /* Max TX power needs to be read only once per connection */
5127 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5128 req_txp_cp.handle = cpu_to_le16(conn->handle);
5129 req_txp_cp.type = 0x01;
5130 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5131 sizeof(req_txp_cp), &req_txp_cp);
5132 }
5133
dd983808
AK		 5134 err = hci_req_run(&req, conn_info_refresh_complete);
5135 if (err < 0)
5136 goto unlock;
5137
5138 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5139 data, len);
5140 if (!cmd) {
5141 err = -ENOMEM;
5142 goto unlock;
5143 }
5144
5145 hci_conn_hold(conn);
f8aaf9b6 5146 cmd->user_data = hci_conn_get(conn);
dd983808
AK		 5147
5148 conn->conn_info_timestamp = jiffies;
5149 } else {
5150 /* Cache is valid, just reply with values cached in hci_conn */
5151 rp.rssi = conn->rssi;
5152 rp.tx_power = conn->tx_power;
eed5daf3 5153 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 5154
5155 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5156 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5157 }
5158
5159unlock:
5160 hci_dev_unlock(hdev);
5161 return err;
5162}
5163
95868426
JH		 5164static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
5165{
5166 struct mgmt_cp_get_clock_info *cp;
5167 struct mgmt_rp_get_clock_info rp;
5168 struct hci_cp_read_clock *hci_cp;
5169 struct pending_cmd *cmd;
5170 struct hci_conn *conn;
5171
5172 BT_DBG("%s status %u", hdev->name, status);
5173
5174 hci_dev_lock(hdev);
5175
5176 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5177 if (!hci_cp)
5178 goto unlock;
5179
5180 if (hci_cp->which) {
5181 u16 handle = __le16_to_cpu(hci_cp->handle);
5182 conn = hci_conn_hash_lookup_handle(hdev, handle);
5183 } else {
5184 conn = NULL;
5185 }
5186
5187 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5188 if (!cmd)
5189 goto unlock;
5190
5191 cp = cmd->param;
5192
5193 memset(&rp, 0, sizeof(rp));
5194 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
5195
5196 if (status)
5197 goto send_rsp;
5198
5199 rp.local_clock = cpu_to_le32(hdev->clock);
5200
5201 if (conn) {
5202 rp.piconet_clock = cpu_to_le32(conn->clock);
5203 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5204 }
5205
5206send_rsp:
5207 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
5208 &rp, sizeof(rp));
5209 mgmt_pending_remove(cmd);
f8aaf9b6 5210 if (conn) {
95868426 5211 hci_conn_drop(conn);
f8aaf9b6
JH		 5212 hci_conn_put(conn);
5213 }
95868426
JH		 5214
5215unlock:
5216 hci_dev_unlock(hdev);
5217}
5218
5219static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5220 u16 len)
5221{
5222 struct mgmt_cp_get_clock_info *cp = data;
5223 struct mgmt_rp_get_clock_info rp;
5224 struct hci_cp_read_clock hci_cp;
5225 struct pending_cmd *cmd;
5226 struct hci_request req;
5227 struct hci_conn *conn;
5228 int err;
5229
5230 BT_DBG("%s", hdev->name);
5231
5232 memset(&rp, 0, sizeof(rp));
5233 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5234 rp.addr.type = cp->addr.type;
5235
5236 if (cp->addr.type != BDADDR_BREDR)
5237 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5238 MGMT_STATUS_INVALID_PARAMS,
5239 &rp, sizeof(rp));
5240
5241 hci_dev_lock(hdev);
5242
5243 if (!hdev_is_powered(hdev)) {
5244 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5245 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5246 goto unlock;
5247 }
5248
5249 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5250 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5251 &cp->addr.bdaddr);
5252 if (!conn || conn->state != BT_CONNECTED) {
5253 err = cmd_complete(sk, hdev->id,
5254 MGMT_OP_GET_CLOCK_INFO,
5255 MGMT_STATUS_NOT_CONNECTED,
5256 &rp, sizeof(rp));
5257 goto unlock;
5258 }
5259 } else {
5260 conn = NULL;
5261 }
5262
5263 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5264 if (!cmd) {
5265 err = -ENOMEM;
5266 goto unlock;
5267 }
5268
5269 hci_req_init(&req, hdev);
5270
5271 memset(&hci_cp, 0, sizeof(hci_cp));
5272 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5273
5274 if (conn) {
5275 hci_conn_hold(conn);
f8aaf9b6 5276 cmd->user_data = hci_conn_get(conn);
95868426
JH		 5277
5278 hci_cp.handle = cpu_to_le16(conn->handle);
5279 hci_cp.which = 0x01; /* Piconet clock */
5280 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5281 }
5282
5283 err = hci_req_run(&req, get_clock_info_complete);
5284 if (err < 0)
5285 mgmt_pending_remove(cmd);
5286
5287unlock:
5288 hci_dev_unlock(hdev);
5289 return err;
5290}
5291
8afef092
MH		 5292static void device_added(struct sock *sk, struct hci_dev *hdev,
5293 bdaddr_t *bdaddr, u8 type, u8 action)
5294{
5295 struct mgmt_ev_device_added ev;
5296
5297 bacpy(&ev.addr.bdaddr, bdaddr);
5298 ev.addr.type = type;
5299 ev.action = action;
5300
5301 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5302}
5303
2faade53
MH		 5304static int add_device(struct sock *sk, struct hci_dev *hdev,
5305 void *data, u16 len)
5306{
5307 struct mgmt_cp_add_device *cp = data;
5308 u8 auto_conn, addr_type;
5309 int err;
5310
5311 BT_DBG("%s", hdev->name);
5312
6659358e 5313 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53
MH		 5314 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5315 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5316 MGMT_STATUS_INVALID_PARAMS,
5317 &cp->addr, sizeof(cp->addr));
5318
4b9e7e75 5319 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2faade53
MH		 5320 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5321 MGMT_STATUS_INVALID_PARAMS,
5322 &cp->addr, sizeof(cp->addr));
5323
5324 hci_dev_lock(hdev);
5325
6659358e 5326 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5327 /* Only incoming connections action is supported for now */
6659358e
JH		 5328 if (cp->action != 0x01) {
5329 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5330 MGMT_STATUS_INVALID_PARAMS,
5331 &cp->addr, sizeof(cp->addr));
5332 goto unlock;
5333 }
5334
5335 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5336 cp->addr.type);
5337 if (err)
5338 goto unlock;
a397407f 5339
432df05e 5340 hci_update_page_scan(hdev, NULL);
a397407f 5341
6659358e
JH		 5342 goto added;
5343 }
5344
2faade53
MH		 5345 if (cp->addr.type == BDADDR_LE_PUBLIC)
5346 addr_type = ADDR_LE_DEV_PUBLIC;
5347 else
5348 addr_type = ADDR_LE_DEV_RANDOM;
5349
4b9e7e75 5350 if (cp->action == 0x02)
2faade53 5351 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5352 else if (cp->action == 0x01)
5353 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5354 else
a3451d27 5355 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5356
bf5b3c8b
MH		 5357 /* If the connection parameters don't exist for this device,
5358 * they will be created and configured with defaults.
5359 */
d06b50ce
MH		 5360 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5361 auto_conn) < 0) {
2faade53
MH		 5362 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5363 MGMT_STATUS_FAILED,
5364 &cp->addr, sizeof(cp->addr));
5365 goto unlock;
5366 }
5367
6659358e 5368added:
8afef092
MH		 5369 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5370
2faade53
MH		 5371 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5372 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5373
5374unlock:
5375 hci_dev_unlock(hdev);
5376 return err;
5377}
5378
8afef092
MH		 5379static void device_removed(struct sock *sk, struct hci_dev *hdev,
5380 bdaddr_t *bdaddr, u8 type)
5381{
5382 struct mgmt_ev_device_removed ev;
5383
5384 bacpy(&ev.addr.bdaddr, bdaddr);
5385 ev.addr.type = type;
5386
5387 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5388}
5389
2faade53
MH		 5390static int remove_device(struct sock *sk, struct hci_dev *hdev,
5391 void *data, u16 len)
5392{
5393 struct mgmt_cp_remove_device *cp = data;
5394 int err;
5395
5396 BT_DBG("%s", hdev->name);
5397
5398 hci_dev_lock(hdev);
5399
5400 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5401 struct hci_conn_params *params;
2faade53
MH		 5402 u8 addr_type;
5403
6659358e 5404 if (!bdaddr_type_is_valid(cp->addr.type)) {
2faade53
MH		 5405 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5406 MGMT_STATUS_INVALID_PARAMS,
5407 &cp->addr, sizeof(cp->addr));
5408 goto unlock;
5409 }
5410
6659358e
JH		 5411 if (cp->addr.type == BDADDR_BREDR) {
5412 err = hci_bdaddr_list_del(&hdev->whitelist,
5413 &cp->addr.bdaddr,
5414 cp->addr.type);
5415 if (err) {
5416 err = cmd_complete(sk, hdev->id,
5417 MGMT_OP_REMOVE_DEVICE,
5418 MGMT_STATUS_INVALID_PARAMS,
5419 &cp->addr, sizeof(cp->addr));
5420 goto unlock;
5421 }
5422
432df05e 5423 hci_update_page_scan(hdev, NULL);
a397407f 5424
6659358e
JH		 5425 device_removed(sk, hdev, &cp->addr.bdaddr,
5426 cp->addr.type);
5427 goto complete;
5428 }
5429
2faade53
MH		 5430 if (cp->addr.type == BDADDR_LE_PUBLIC)
5431 addr_type = ADDR_LE_DEV_PUBLIC;
5432 else
5433 addr_type = ADDR_LE_DEV_RANDOM;
5434
c71593dd
JH		 5435 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5436 addr_type);
5437 if (!params) {
5438 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5439 MGMT_STATUS_INVALID_PARAMS,
5440 &cp->addr, sizeof(cp->addr));
5441 goto unlock;
5442 }
5443
5444 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
5445 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5446 MGMT_STATUS_INVALID_PARAMS,
5447 &cp->addr, sizeof(cp->addr));
5448 goto unlock;
5449 }
5450
d1dbf12e 5451 list_del(&params->action);
c71593dd
JH		 5452 list_del(&params->list);
5453 kfree(params);
95305baa 5454 hci_update_background_scan(hdev);
8afef092
MH		 5455
5456 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5457 } else {
19de0825 5458 struct hci_conn_params *p, *tmp;
6659358e 5459 struct bdaddr_list *b, *btmp;
19de0825 5460
2faade53
MH		 5461 if (cp->addr.type) {
5462 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5463 MGMT_STATUS_INVALID_PARAMS,
5464 &cp->addr, sizeof(cp->addr));
5465 goto unlock;
5466 }
5467
6659358e
JH		 5468 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5469 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5470 list_del(&b->list);
5471 kfree(b);
5472 }
5473
432df05e 5474 hci_update_page_scan(hdev, NULL);
a397407f 5475
19de0825
JH		 5476 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5477 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5478 continue;
5479 device_removed(sk, hdev, &p->addr, p->addr_type);
5480 list_del(&p->action);
5481 list_del(&p->list);
5482 kfree(p);
5483 }
5484
5485 BT_DBG("All LE connection parameters were removed");
5486
5487 hci_update_background_scan(hdev);
2faade53
MH		 5488 }
5489
6659358e 5490complete:
2faade53
MH		 5491 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5492 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5493
5494unlock:
5495 hci_dev_unlock(hdev);
5496 return err;
5497}
5498
a26f3dcf
JH		 5499static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5500 u16 len)
5501{
5502 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5503 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5504 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5505 u16 param_count, expected_len;
5506 int i;
5507
5508 if (!lmp_le_capable(hdev))
5509 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5510 MGMT_STATUS_NOT_SUPPORTED);
5511
5512 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5513 if (param_count > max_param_count) {
5514 BT_ERR("load_conn_param: too big param_count value %u",
5515 param_count);
5516 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5517 MGMT_STATUS_INVALID_PARAMS);
5518 }
a26f3dcf
JH		 5519
5520 expected_len = sizeof(*cp) + param_count *
5521 sizeof(struct mgmt_conn_param);
5522 if (expected_len != len) {
5523 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5524 expected_len, len);
5525 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5526 MGMT_STATUS_INVALID_PARAMS);
5527 }
5528
5529 BT_DBG("%s param_count %u", hdev->name, param_count);
5530
5531 hci_dev_lock(hdev);
5532
5533 hci_conn_params_clear_disabled(hdev);
5534
5535 for (i = 0; i < param_count; i++) {
5536 struct mgmt_conn_param *param = &cp->params[i];
5537 struct hci_conn_params *hci_param;
5538 u16 min, max, latency, timeout;
5539 u8 addr_type;
5540
5541 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5542 param->addr.type);
5543
5544 if (param->addr.type == BDADDR_LE_PUBLIC) {
5545 addr_type = ADDR_LE_DEV_PUBLIC;
5546 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5547 addr_type = ADDR_LE_DEV_RANDOM;
5548 } else {
5549 BT_ERR("Ignoring invalid connection parameters");
5550 continue;
5551 }
5552
5553 min = le16_to_cpu(param->min_interval);
5554 max = le16_to_cpu(param->max_interval);
5555 latency = le16_to_cpu(param->latency);
5556 timeout = le16_to_cpu(param->timeout);
5557
5558 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5559 min, max, latency, timeout);
5560
5561 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5562 BT_ERR("Ignoring invalid connection parameters");
5563 continue;
5564 }
5565
5566 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5567 addr_type);
5568 if (!hci_param) {
5569 BT_ERR("Failed to add connection parameters");
5570 continue;
5571 }
5572
5573 hci_param->conn_min_interval = min;
5574 hci_param->conn_max_interval = max;
5575 hci_param->conn_latency = latency;
5576 hci_param->supervision_timeout = timeout;
5577 }
5578
5579 hci_dev_unlock(hdev);
5580
5581 return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
5582}
5583
dbece37a
MH		 5584static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5585 void *data, u16 len)
5586{
5587 struct mgmt_cp_set_external_config *cp = data;
5588 bool changed;
5589 int err;
5590
5591 BT_DBG("%s", hdev->name);
5592
5593 if (hdev_is_powered(hdev))
5594 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5595 MGMT_STATUS_REJECTED);
5596
5597 if (cp->config != 0x00 && cp->config != 0x01)
5598 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5599 MGMT_STATUS_INVALID_PARAMS);
5600
5601 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5602 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5603 MGMT_STATUS_NOT_SUPPORTED);
5604
5605 hci_dev_lock(hdev);
5606
5607 if (cp->config)
5608 changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
5609 &hdev->dev_flags);
5610 else
5611 changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
5612 &hdev->dev_flags);
5613
5614 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5615 if (err < 0)
5616 goto unlock;
5617
5618 if (!changed)
5619 goto unlock;
5620
f4537c04
MH		 5621 err = new_options(hdev, sk);
5622
dbece37a
MH		 5623 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
5624 mgmt_index_removed(hdev);
d603b76b
MH		 5625
5626 if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
5627 set_bit(HCI_CONFIG, &hdev->dev_flags);
5628 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5629
5630 queue_work(hdev->req_workqueue, &hdev->power_on);
5631 } else {
5ea234d3 5632 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5633 mgmt_index_added(hdev);
5634 }
dbece37a
MH		 5635 }
5636
5637unlock:
5638 hci_dev_unlock(hdev);
5639 return err;
5640}
5641
9713c17b
MH		 5642static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5643 void *data, u16 len)
5644{
5645 struct mgmt_cp_set_public_address *cp = data;
5646 bool changed;
5647 int err;
5648
5649 BT_DBG("%s", hdev->name);
5650
5651 if (hdev_is_powered(hdev))
5652 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5653 MGMT_STATUS_REJECTED);
5654
5655 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5656 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5657 MGMT_STATUS_INVALID_PARAMS);
5658
5659 if (!hdev->set_bdaddr)
5660 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5661 MGMT_STATUS_NOT_SUPPORTED);
5662
5663 hci_dev_lock(hdev);
5664
5665 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5666 bacpy(&hdev->public_addr, &cp->bdaddr);
5667
5668 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5669 if (err < 0)
5670 goto unlock;
5671
5672 if (!changed)
5673 goto unlock;
5674
5675 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5676 err = new_options(hdev, sk);
5677
5678 if (is_configured(hdev)) {
5679 mgmt_index_removed(hdev);
5680
5681 clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
5682
5683 set_bit(HCI_CONFIG, &hdev->dev_flags);
5684 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5685
5686 queue_work(hdev->req_workqueue, &hdev->power_on);
5687 }
5688
5689unlock:
5690 hci_dev_unlock(hdev);
5691 return err;
5692}
5693
2e3c35ea 5694static const struct mgmt_handler {
04124681
GP		 5695 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5696 u16 data_len);
be22b54e
JH		 5697 bool var_len;
5698 size_t data_len;
0f4e68cf
JH		 5699} mgmt_handlers[] = {
5700 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5701 { read_version, false, MGMT_READ_VERSION_SIZE },
5702 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5703 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5704 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5705 { set_powered, false, MGMT_SETTING_SIZE },
5706 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5707 { set_connectable, false, MGMT_SETTING_SIZE },
5708 { set_fast_connectable, false, MGMT_SETTING_SIZE },
b2939475 5709 { set_bondable, false, MGMT_SETTING_SIZE },
be22b54e
JH		 5710 { set_link_security, false, MGMT_SETTING_SIZE },
5711 { set_ssp, false, MGMT_SETTING_SIZE },
5712 { set_hs, false, MGMT_SETTING_SIZE },
5713 { set_le, false, MGMT_SETTING_SIZE },
5714 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5715 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5716 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5717 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5718 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5719 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5720 { disconnect, false, MGMT_DISCONNECT_SIZE },
5721 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5722 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5723 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5724 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5725 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5726 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5727 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5728 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5729 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5730 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5731 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5732 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5733 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5734 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5735 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5736 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5737 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5738 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5739 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5740 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5741 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5742 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5743 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5744 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5745 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5746 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5747 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5748 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5749 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5750 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5751 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5752 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
73d1df2a
MH		 5753 { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
5754 { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
9fc3bfb6 5755 { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
dbece37a 5756 { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
9713c17b 5757 { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
0f4e68cf
JH		 5758};
5759
0381101f
JH		 5760int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5761{
650f726d
VCG		 5762 void *buf;
5763 u8 *cp;
0381101f 5764 struct mgmt_hdr *hdr;
4e51eae9 5765 u16 opcode, index, len;
bdb6d971 5766 struct hci_dev *hdev = NULL;
2e3c35ea 5767 const struct mgmt_handler *handler;
0381101f
JH		 5768 int err;
5769
5770 BT_DBG("got %zu bytes", msglen);
5771
5772 if (msglen < sizeof(*hdr))
5773 return -EINVAL;
5774
e63a15ec 5775 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5776 if (!buf)
5777 return -ENOMEM;
5778
5779 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5780 err = -EFAULT;
5781 goto done;
5782 }
5783
650f726d 5784 hdr = buf;
1f350c87
MH		 5785 opcode = __le16_to_cpu(hdr->opcode);
5786 index = __le16_to_cpu(hdr->index);
5787 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5788
5789 if (len != msglen - sizeof(*hdr)) {
5790 err = -EINVAL;
5791 goto done;
5792 }
5793
0f4e68cf 5794 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5795 hdev = hci_dev_get(index);
5796 if (!hdev) {
5797 err = cmd_status(sk, index, opcode,
04124681 5798 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5799 goto done;
5800 }
0736cfa8 5801
cebf4cfd 5802 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
d603b76b 5803 test_bit(HCI_CONFIG, &hdev->dev_flags) ||
4a964404 5804 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
0736cfa8
MH		 5805 err = cmd_status(sk, index, opcode,
5806 MGMT_STATUS_INVALID_INDEX);
5807 goto done;
5808 }
42a9bc14
MH		 5809
5810 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
dbece37a 5811 opcode != MGMT_OP_READ_CONFIG_INFO &&
9713c17b
MH		 5812 opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
5813 opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
42a9bc14
MH		 5814 err = cmd_status(sk, index, opcode,
5815 MGMT_STATUS_INVALID_INDEX);
5816 goto done;
5817 }
bdb6d971
JH		 5818 }
5819
0f4e68cf 5820 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5821 mgmt_handlers[opcode].func == NULL) {
0381101f 5822 BT_DBG("Unknown op %u", opcode);
ca69b795 5823 err = cmd_status(sk, index, opcode,
04124681 5824 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5825 goto done;
5826 }
5827
73d1df2a
MH		 5828 if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
5829 opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
5830 err = cmd_status(sk, index, opcode,
5831 MGMT_STATUS_INVALID_INDEX);
5832 goto done;
5833 }
5834
5835 if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
5836 opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
0f4e68cf 5837 err = cmd_status(sk, index, opcode,
04124681 5838 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5839 goto done;
0381101f
JH		 5840 }
5841
be22b54e
JH		 5842 handler = &mgmt_handlers[opcode];
5843
5844 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5845 (!handler->var_len && len != handler->data_len)) {
be22b54e 5846 err = cmd_status(sk, index, opcode,
04124681 5847 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5848 goto done;
5849 }
5850
0f4e68cf
JH		 5851 if (hdev)
5852 mgmt_init_hdev(sk, hdev);
5853
5854 cp = buf + sizeof(*hdr);
5855
be22b54e 5856 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5857 if (err < 0)
5858 goto done;
5859
0381101f
JH		 5860 err = msglen;
5861
5862done:
bdb6d971
JH		 5863 if (hdev)
5864 hci_dev_put(hdev);
5865
0381101f
JH		 5866 kfree(buf);
5867 return err;
5868}
c71e97bf 5869
bf6b56db 5870void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5871{
1514b892 5872 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5873 return;
bb4b2a9a 5874
0602a8ad
MH		 5875 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5876 return;
5877
5878 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5879 mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
5880 else
5881 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5882}
5883
bf6b56db 5884void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5885{
5f159032 5886 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 5887
1514b892 5888 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5889 return;
bb4b2a9a 5890
0602a8ad
MH		 5891 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5892 return;
5893
744cf19e 5894 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5895
edd3896b
MH		 5896 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5897 mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
5898 else
5899 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5900}
5901
6046dc3e 5902/* This function requires the caller holds hdev->lock */
d7347f3c 5903static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 5904{
5905 struct hci_conn_params *p;
5906
5907 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 5908 /* Needed for AUTO_OFF case where might not "really"
5909 * have been powered off.
5910 */
5911 list_del_init(&p->action);
5912
5913 switch (p->auto_connect) {
4b9e7e75 5914 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 5915 case HCI_AUTO_CONN_ALWAYS:
5916 list_add(&p->action, &hdev->pend_le_conns);
5917 break;
5918 case HCI_AUTO_CONN_REPORT:
5919 list_add(&p->action, &hdev->pend_le_reports);
5920 break;
5921 default:
5922 break;
c83ed19d 5923 }
6046dc3e 5924 }
c83ed19d 5925
c83ed19d 5926 hci_update_background_scan(hdev);
6046dc3e
AG		 5927}
5928
229ab39c
JH		 5929static void powered_complete(struct hci_dev *hdev, u8 status)
5930{
5931 struct cmd_lookup match = { NULL, hdev };
5932
5933 BT_DBG("status 0x%02x", status);
5934
5935 hci_dev_lock(hdev);
5936
d7347f3c 5937 restart_le_actions(hdev);
6046dc3e 5938
229ab39c
JH		 5939 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5940
5941 new_settings(hdev, match.sk);
5942
5943 hci_dev_unlock(hdev);
5944
5945 if (match.sk)
5946 sock_put(match.sk);
5947}
5948
70da6243 5949static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5950{
890ea898 5951 struct hci_request req;
70da6243 5952 u8 link_sec;
5add6af8 5953
890ea898
JH		 5954 hci_req_init(&req, hdev);
5955
70da6243
JH		 5956 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5957 !lmp_host_ssp_capable(hdev)) {
5958 u8 ssp = 1;
5e5282bb 5959
890ea898 5960 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5961 }
5add6af8 5962
c73eee91
JH		 5963 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5964 lmp_bredr_capable(hdev)) {
70da6243 5965 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5966
32226e4f
MH		 5967 cp.le = 0x01;
5968 cp.simul = 0x00;
3d1cbdd6 5969
70da6243
JH		 5970 /* Check first if we already have the right
5971 * host state (host features set)
5972 */
5973 if (cp.le != lmp_host_le_capable(hdev) ||
5974 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5975 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5976 sizeof(cp), &cp);
70da6243 5977 }
3d1cbdd6 5978
d13eafce 5979 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5980 /* Make sure the controller has a good default for
5981 * advertising data. This also applies to the case
5982 * where BR/EDR was toggled during the AUTO_OFF phase.
5983 */
f14d8f64 5984 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5985 update_adv_data(&req);
f14d8f64
MH		 5986 update_scan_rsp_data(&req);
5987 }
441ad2d0 5988
bba3aa55
MH		 5989 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5990 enable_advertising(&req);
eeca6f89
JH		 5991 }
5992
70da6243
JH		 5993 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5994 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5995 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5996 sizeof(link_sec), &link_sec);
562fcc24 5997
70da6243 5998 if (lmp_bredr_capable(hdev)) {
432df05e
JH		 5999 write_fast_connectable(&req, false);
6000 hci_update_page_scan(hdev, &req);
890ea898 6001 update_class(&req);
13928971 6002 update_name(&req);
890ea898 6003 update_eir(&req);
70da6243 6004 }
562fcc24 6005
229ab39c 6006 return hci_req_run(&req, powered_complete);
70da6243 6007}
562fcc24 6008
70da6243
JH		 6009int mgmt_powered(struct hci_dev *hdev, u8 powered)
6010{
6011 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 6012 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
6013 u8 zero_cod[] = { 0, 0, 0 };
70da6243 6014 int err;
f0ff92fb 6015
70da6243
JH		 6016 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
6017 return 0;
6018
70da6243 6019 if (powered) {
229ab39c
JH		 6020 if (powered_update_hci(hdev) == 0)
6021 return 0;
fe038884 6022
229ab39c
JH		 6023 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
6024 &match);
6025 goto new_settings;
b24752fe
JH		 6026 }
6027
229ab39c
JH		 6028 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6029 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
6030
6031 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
6032 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6033 zero_cod, sizeof(zero_cod), NULL);
6034
6035new_settings:
beadb2bd 6036 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 6037
6038 if (match.sk)
6039 sock_put(match.sk);
6040
7bb895d6 6041 return err;
5add6af8 6042}
73f22f62 6043
3eec705e 6044void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 6045{
6046 struct pending_cmd *cmd;
6047 u8 status;
6048
6049 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6050 if (!cmd)
3eec705e 6051 return;
96570ffc
JH		 6052
6053 if (err == -ERFKILL)
6054 status = MGMT_STATUS_RFKILLED;
6055 else
6056 status = MGMT_STATUS_FAILED;
6057
3eec705e 6058 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 6059
6060 mgmt_pending_remove(cmd);
96570ffc
JH		 6061}
6062
d1967ff8
MH		 6063void mgmt_discoverable_timeout(struct hci_dev *hdev)
6064{
6065 struct hci_request req;
d1967ff8
MH		 6066
6067 hci_dev_lock(hdev);
6068
6069 /* When discoverable timeout triggers, then just make sure
6070 * the limited discoverable flag is cleared. Even in the case
6071 * of a timeout triggered from general discoverable, it is
6072 * safe to unconditionally clear the flag.
6073 */
6074 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 6075 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 6076
6077 hci_req_init(&req, hdev);
4b580614
JH		 6078 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
6079 u8 scan = SCAN_PAGE;
6080 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
6081 sizeof(scan), &scan);
6082 }
d1967ff8 6083 update_class(&req);
9a43e25f 6084 update_adv_data(&req);
d1967ff8
MH		 6085 hci_req_run(&req, NULL);
6086
6087 hdev->discov_timeout = 0;
6088
9a43e25f
JH		 6089 new_settings(hdev, NULL);
6090
d1967ff8
MH		 6091 hci_dev_unlock(hdev);
6092}
6093
dc4a5ee2
MH		 6094void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6095 bool persistent)
55ed8ca1 6096{
86742e1e 6097 struct mgmt_ev_new_link_key ev;
55ed8ca1 6098
a492cd52 6099 memset(&ev, 0, sizeof(ev));
55ed8ca1 6100
a492cd52 6101 ev.store_hint = persistent;
d753fdc4 6102 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6103 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6104 ev.key.type = key->type;
9b3b4460 6105 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6106 ev.key.pin_len = key->pin_len;
55ed8ca1 6107
dc4a5ee2 6108 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6109}
f7520543 6110
d7b25450
JH		 6111static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6112{
23fb8de3
JH		 6113 switch (ltk->type) {
6114 case SMP_LTK:
6115 case SMP_LTK_SLAVE:
6116 if (ltk->authenticated)
6117 return MGMT_LTK_AUTHENTICATED;
6118 return MGMT_LTK_UNAUTHENTICATED;
6119 case SMP_LTK_P256:
6120 if (ltk->authenticated)
6121 return MGMT_LTK_P256_AUTH;
6122 return MGMT_LTK_P256_UNAUTH;
6123 case SMP_LTK_P256_DEBUG:
6124 return MGMT_LTK_P256_DEBUG;
6125 }
d7b25450
JH		 6126
6127 return MGMT_LTK_UNAUTHENTICATED;
6128}
6129
53ac6ab6 6130void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6131{
6132 struct mgmt_ev_new_long_term_key ev;
6133
6134 memset(&ev, 0, sizeof(ev));
6135
5192d301
MH		 6136 /* Devices using resolvable or non-resolvable random addresses
6137 * without providing an indentity resolving key don't require
6138 * to store long term keys. Their addresses will change the
6139 * next time around.
6140 *
6141 * Only when a remote device provides an identity address
6142 * make sure the long term key is stored. If the remote
6143 * identity is known, the long term keys are internally
6144 * mapped to the identity address. So allow static random
6145 * and public addresses here.
6146 */
ba74b666
JH		 6147 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6148 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6149 ev.store_hint = 0x00;
6150 else
53ac6ab6 6151 ev.store_hint = persistent;
ba74b666 6152
346af67b 6153 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6154 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6155 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6156 ev.key.enc_size = key->enc_size;
6157 ev.key.ediv = key->ediv;
fe39c7b2 6158 ev.key.rand = key->rand;
346af67b 6159
2ceba539 6160 if (key->type == SMP_LTK)
346af67b
VCG		 6161 ev.key.master = 1;
6162
346af67b
VCG		 6163 memcpy(ev.key.val, key->val, sizeof(key->val));
6164
083368f7 6165 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6166}
6167
95fbac8a
JH		 6168void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
6169{
6170 struct mgmt_ev_new_irk ev;
6171
6172 memset(&ev, 0, sizeof(ev));
6173
bab6d1e5
MH		 6174 /* For identity resolving keys from devices that are already
6175 * using a public address or static random address, do not
6176 * ask for storing this key. The identity resolving key really
6177 * is only mandatory for devices using resovlable random
6178 * addresses.
6179 *
6180 * Storing all identity resolving keys has the downside that
6181 * they will be also loaded on next boot of they system. More
6182 * identity resolving keys, means more time during scanning is
6183 * needed to actually resolve these addresses.
6184 */
6185 if (bacmp(&irk->rpa, BDADDR_ANY))
6186 ev.store_hint = 0x01;
6187 else
6188 ev.store_hint = 0x00;
6189
95fbac8a
JH		 6190 bacpy(&ev.rpa, &irk->rpa);
6191 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6192 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6193 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6194
6195 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6196}
6197
53ac6ab6
MH		 6198void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6199 bool persistent)
7ee4ea36
MH		 6200{
6201 struct mgmt_ev_new_csrk ev;
6202
6203 memset(&ev, 0, sizeof(ev));
6204
6205 /* Devices using resolvable or non-resolvable random addresses
6206 * without providing an indentity resolving key don't require
6207 * to store signature resolving keys. Their addresses will change
6208 * the next time around.
6209 *
6210 * Only when a remote device provides an identity address
6211 * make sure the signature resolving key is stored. So allow
6212 * static random and public addresses here.
6213 */
6214 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6215 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6216 ev.store_hint = 0x00;
6217 else
53ac6ab6 6218 ev.store_hint = persistent;
7ee4ea36
MH		 6219
6220 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6221 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6222 ev.key.master = csrk->master;
6223 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6224
6225 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6226}
6227
ffb5a827 6228void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6229 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6230 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6231{
6232 struct mgmt_ev_new_conn_param ev;
6233
c103aea6
JH		 6234 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6235 return;
6236
ffb5a827
AG		 6237 memset(&ev, 0, sizeof(ev));
6238 bacpy(&ev.addr.bdaddr, bdaddr);
6239 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6240 ev.store_hint = store_hint;
ffb5a827
AG		 6241 ev.min_interval = cpu_to_le16(min_interval);
6242 ev.max_interval = cpu_to_le16(max_interval);
6243 ev.latency = cpu_to_le16(latency);
6244 ev.timeout = cpu_to_le16(timeout);
6245
6246 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6247}
6248
94933991
MH		 6249static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6250 u8 data_len)
6251{
6252 eir[eir_len++] = sizeof(type) + data_len;
6253 eir[eir_len++] = type;
6254 memcpy(&eir[eir_len], data, data_len);
6255 eir_len += data_len;
6256
6257 return eir_len;
6258}
6259
48ec92fa
AA		 6260void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
6261 u32 flags, u8 *name, u8 name_len)
f7520543 6262{
b644ba33
JH		 6263 char buf[512];
6264 struct mgmt_ev_device_connected *ev = (void *) buf;
6265 u16 eir_len = 0;
f7520543 6266
48ec92fa
AA		 6267 bacpy(&ev->addr.bdaddr, &conn->dst);
6268 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 6269
c95f0ba7 6270 ev->flags = __cpu_to_le32(flags);
08c79b61 6271
fd45ada9
AA		 6272 /* We must ensure that the EIR Data fields are ordered and
6273 * unique. Keep it simple for now and avoid the problem by not
6274 * adding any BR/EDR data to the LE adv.
6275 */
6276 if (conn->le_adv_data_len > 0) {
6277 memcpy(&ev->eir[eir_len],
6278 conn->le_adv_data, conn->le_adv_data_len);
6279 eir_len = conn->le_adv_data_len;
6280 } else {
6281 if (name_len > 0)
6282 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
6283 name, name_len);
b644ba33 6284
ddbea5cf 6285 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 6286 eir_len = eir_append_data(ev->eir, eir_len,
6287 EIR_CLASS_OF_DEV,
6288 conn->dev_class, 3);
6289 }
b644ba33 6290
eb55ef07 6291 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6292
ecd90ae7
MH		 6293 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6294 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6295}
6296
8962ee74
JH		 6297static void disconnect_rsp(struct pending_cmd *cmd, void *data)
6298{
c68fb7ff 6299 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 6300 struct sock **sk = data;
a38528f1 6301 struct mgmt_rp_disconnect rp;
8962ee74 6302
88c3df13
JH		 6303 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6304 rp.addr.type = cp->addr.type;
8962ee74 6305
aee9b218 6306 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 6307 sizeof(rp));
8962ee74
JH		 6308
6309 *sk = cmd->sk;
6310 sock_hold(*sk);
6311
a664b5bc 6312 mgmt_pending_remove(cmd);
8962ee74
JH		 6313}
6314
124f6e35 6315static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 6316{
b1078ad0 6317 struct hci_dev *hdev = data;
124f6e35
JH		 6318 struct mgmt_cp_unpair_device *cp = cmd->param;
6319 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 6320
6321 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 6322 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6323 rp.addr.type = cp->addr.type;
a8a1d19e 6324
b1078ad0
JH		 6325 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6326
aee9b218 6327 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 6328
6329 mgmt_pending_remove(cmd);
6330}
6331
84c61d92
JH		 6332bool mgmt_powering_down(struct hci_dev *hdev)
6333{
6334 struct pending_cmd *cmd;
6335 struct mgmt_mode *cp;
6336
6337 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6338 if (!cmd)
6339 return false;
6340
6341 cp = cmd->param;
6342 if (!cp->val)
6343 return true;
6344
6345 return false;
6346}
6347
9b80ec5e 6348void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6349 u8 link_type, u8 addr_type, u8 reason,
6350 bool mgmt_connected)
f7520543 6351{
f0d6a0ea 6352 struct mgmt_ev_device_disconnected ev;
8962ee74 6353 struct sock *sk = NULL;
8962ee74 6354
84c61d92
JH		 6355 /* The connection is still in hci_conn_hash so test for 1
6356 * instead of 0 to know if this is the last one.
6357 */
6358 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6359 cancel_delayed_work(&hdev->power_off);
6360 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6361 }
6362
12d4a3b2
JH		 6363 if (!mgmt_connected)
6364 return;
6365
57eb776f
AG		 6366 if (link_type != ACL_LINK && link_type != LE_LINK)
6367 return;
6368
744cf19e 6369 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6370
f0d6a0ea
MA		 6371 bacpy(&ev.addr.bdaddr, bdaddr);
6372 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6373 ev.reason = reason;
f7520543 6374
9b80ec5e 6375 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6376
6377 if (sk)
d97dcb66 6378 sock_put(sk);
8962ee74 6379
124f6e35 6380 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6381 hdev);
8962ee74
JH		 6382}
6383
7892924c
MH		 6384void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6385 u8 link_type, u8 addr_type, u8 status)
8962ee74 6386{
3655bba8
AG		 6387 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6388 struct mgmt_cp_disconnect *cp;
88c3df13 6389 struct mgmt_rp_disconnect rp;
8962ee74 6390 struct pending_cmd *cmd;
8962ee74 6391
36a75f1b
JD		 6392 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6393 hdev);
6394
2e58ef3e 6395 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6396 if (!cmd)
7892924c 6397 return;
8962ee74 6398
3655bba8
AG		 6399 cp = cmd->param;
6400
6401 if (bacmp(bdaddr, &cp->addr.bdaddr))
6402 return;
6403
6404 if (cp->addr.type != bdaddr_type)
6405 return;
6406
88c3df13 6407 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 6408 rp.addr.type = bdaddr_type;
37d9ef76 6409
7892924c
MH		 6410 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
6411 mgmt_status(status), &rp, sizeof(rp));
8962ee74 6412
a664b5bc 6413 mgmt_pending_remove(cmd);
f7520543 6414}
17d5c04c 6415
445608d0
MH		 6416void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6417 u8 addr_type, u8 status)
17d5c04c
JH		 6418{
6419 struct mgmt_ev_connect_failed ev;
c9910d0f 6420
84c61d92
JH		 6421 /* The connection is still in hci_conn_hash so test for 1
6422 * instead of 0 to know if this is the last one.
6423 */
6424 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6425 cancel_delayed_work(&hdev->power_off);
6426 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6427 }
17d5c04c 6428
4c659c39 6429 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6430 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6431 ev.status = mgmt_status(status);
17d5c04c 6432
445608d0 6433 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6434}
980e1a53 6435
ce0e4a0d 6436void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6437{
6438 struct mgmt_ev_pin_code_request ev;
6439
d8457698 6440 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6441 ev.addr.type = BDADDR_BREDR;
a770bb5a 6442 ev.secure = secure;
980e1a53 6443
ce0e4a0d 6444 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6445}
6446
e669cf80
MH		 6447void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6448 u8 status)
980e1a53
JH		 6449{
6450 struct pending_cmd *cmd;
ac56fb13 6451 struct mgmt_rp_pin_code_reply rp;
980e1a53 6452
2e58ef3e 6453 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6454 if (!cmd)
e669cf80 6455 return;
980e1a53 6456
d8457698 6457 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6458 rp.addr.type = BDADDR_BREDR;
ac56fb13 6459
e669cf80
MH		 6460 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
6461 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6462
a664b5bc 6463 mgmt_pending_remove(cmd);
980e1a53
JH		 6464}
6465
3eb38528
MH		 6466void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6467 u8 status)
980e1a53
JH		 6468{
6469 struct pending_cmd *cmd;
ac56fb13 6470 struct mgmt_rp_pin_code_reply rp;
980e1a53 6471
2e58ef3e 6472 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6473 if (!cmd)
3eb38528 6474 return;
980e1a53 6475
d8457698 6476 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6477 rp.addr.type = BDADDR_BREDR;
ac56fb13 6478
3eb38528
MH		 6479 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
6480 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6481
a664b5bc 6482 mgmt_pending_remove(cmd);
980e1a53 6483}
a5c29683 6484
744cf19e 6485int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6486 u8 link_type, u8 addr_type, u32 value,
04124681 6487 u8 confirm_hint)
a5c29683
JH		 6488{
6489 struct mgmt_ev_user_confirm_request ev;
6490
744cf19e 6491 BT_DBG("%s", hdev->name);
a5c29683 6492
272d90df 6493 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6494 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6495 ev.confirm_hint = confirm_hint;
39adbffe 6496 ev.value = cpu_to_le32(value);
a5c29683 6497
744cf19e 6498 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6499 NULL);
a5c29683
JH		 6500}
6501
272d90df 6502int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6503 u8 link_type, u8 addr_type)
604086b7
BG		 6504{
6505 struct mgmt_ev_user_passkey_request ev;
6506
6507 BT_DBG("%s", hdev->name);
6508
272d90df 6509 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6510 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6511
6512 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6513 NULL);
604086b7
BG		 6514}
6515
0df4c185 6516static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6517 u8 link_type, u8 addr_type, u8 status,
6518 u8 opcode)
a5c29683
JH		 6519{
6520 struct pending_cmd *cmd;
6521 struct mgmt_rp_user_confirm_reply rp;
6522 int err;
6523
2e58ef3e 6524 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH		 6525 if (!cmd)
6526 return -ENOENT;
6527
272d90df 6528 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 6529 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 6530 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 6531 &rp, sizeof(rp));
a5c29683 6532
a664b5bc 6533 mgmt_pending_remove(cmd);
a5c29683
JH		 6534
6535 return err;
6536}
6537
744cf19e 6538int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6539 u8 link_type, u8 addr_type, u8 status)
a5c29683 6540{
272d90df 6541 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6542 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6543}
6544
272d90df 6545int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6546 u8 link_type, u8 addr_type, u8 status)
a5c29683 6547{
272d90df 6548 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6549 status,
6550 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6551}
2a611692 6552
604086b7 6553int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6554 u8 link_type, u8 addr_type, u8 status)
604086b7 6555{
272d90df 6556 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6557 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6558}
6559
272d90df 6560int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6561 u8 link_type, u8 addr_type, u8 status)
604086b7 6562{
272d90df 6563 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6564 status,
6565 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6566}
6567
92a25256
JH		 6568int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6569 u8 link_type, u8 addr_type, u32 passkey,
6570 u8 entered)
6571{
6572 struct mgmt_ev_passkey_notify ev;
6573
6574 BT_DBG("%s", hdev->name);
6575
6576 bacpy(&ev.addr.bdaddr, bdaddr);
6577 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6578 ev.passkey = __cpu_to_le32(passkey);
6579 ev.entered = entered;
6580
6581 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6582}
6583
e1e930f5 6584void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 6585{
6586 struct mgmt_ev_auth_failed ev;
e1e930f5
JH		 6587 struct pending_cmd *cmd;
6588 u8 status = mgmt_status(hci_status);
2a611692 6589
e1e930f5
JH		 6590 bacpy(&ev.addr.bdaddr, &conn->dst);
6591 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6592 ev.status = status;
2a611692 6593
e1e930f5
JH		 6594 cmd = find_pairing(conn);
6595
6596 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
6597 cmd ? cmd->sk : NULL);
6598
6599 if (cmd)
6600 pairing_complete(cmd, status);
2a611692 6601}
b312b161 6602
464996ae 6603void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6604{
6605 struct cmd_lookup match = { NULL, hdev };
464996ae 6606 bool changed;
33ef95ed
JH		 6607
6608 if (status) {
6609 u8 mgmt_err = mgmt_status(status);
6610 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6611 cmd_status_rsp, &mgmt_err);
464996ae 6612 return;
33ef95ed
JH		 6613 }
6614
464996ae
MH		 6615 if (test_bit(HCI_AUTH, &hdev->flags))
6616 changed = !test_and_set_bit(HCI_LINK_SECURITY,
6617 &hdev->dev_flags);
6618 else
6619 changed = test_and_clear_bit(HCI_LINK_SECURITY,
6620 &hdev->dev_flags);
47990ea0 6621
33ef95ed 6622 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6623 &match);
33ef95ed 6624
47990ea0 6625 if (changed)
464996ae 6626 new_settings(hdev, match.sk);
33ef95ed
JH		 6627
6628 if (match.sk)
6629 sock_put(match.sk);
33ef95ed
JH		 6630}
6631
890ea898 6632static void clear_eir(struct hci_request *req)
cacaf52f 6633{
890ea898 6634 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6635 struct hci_cp_write_eir cp;
6636
976eb20e 6637 if (!lmp_ext_inq_capable(hdev))
890ea898 6638 return;
cacaf52f 6639
c80da27e
JH		 6640 memset(hdev->eir, 0, sizeof(hdev->eir));
6641
cacaf52f
JH		 6642 memset(&cp, 0, sizeof(cp));
6643
890ea898 6644 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 6645}
6646
3e248560 6647void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 6648{
6649 struct cmd_lookup match = { NULL, hdev };
890ea898 6650 struct hci_request req;
c0ecddc2 6651 bool changed = false;
ed2c4ee3
JH		 6652
6653 if (status) {
6654 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH		 6655
6656 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
9ecb3e24
MH		 6657 &hdev->dev_flags)) {
6658 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
3e248560 6659 new_settings(hdev, NULL);
9ecb3e24 6660 }
c0ecddc2 6661
04124681
GP		 6662 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
6663 &mgmt_err);
3e248560 6664 return;
c0ecddc2
JH		 6665 }
6666
6667 if (enable) {
9ecb3e24 6668 changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
c0ecddc2 6669 } else {
9ecb3e24
MH		 6670 changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
6671 if (!changed)
6672 changed = test_and_clear_bit(HCI_HS_ENABLED,
6673 &hdev->dev_flags);
6674 else
6675 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
ed2c4ee3
JH		 6676 }
6677
6678 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
6679
c0ecddc2 6680 if (changed)
3e248560 6681 new_settings(hdev, match.sk);
ed2c4ee3 6682
5fc6ebb1 6683 if (match.sk)
ed2c4ee3
JH		 6684 sock_put(match.sk);
6685
890ea898
JH		 6686 hci_req_init(&req, hdev);
6687
3769972b
JH		 6688 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
6689 if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
6690 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
6691 sizeof(enable), &enable);
890ea898 6692 update_eir(&req);
3769972b 6693 } else {
890ea898 6694 clear_eir(&req);
3769972b 6695 }
890ea898
JH		 6696
6697 hci_req_run(&req, NULL);
ed2c4ee3
JH		 6698}
6699
eac83dc6
MH		 6700void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
6701{
6702 struct cmd_lookup match = { NULL, hdev };
6703 bool changed = false;
6704
6705 if (status) {
6706 u8 mgmt_err = mgmt_status(status);
6707
0ab04a9c
MH		 6708 if (enable) {
6709 if (test_and_clear_bit(HCI_SC_ENABLED,
6710 &hdev->dev_flags))
6711 new_settings(hdev, NULL);
6712 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6713 }
eac83dc6
MH		 6714
6715 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6716 cmd_status_rsp, &mgmt_err);
6717 return;
6718 }
6719
0ab04a9c 6720 if (enable) {
eac83dc6 6721 changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c 6722 } else {
eac83dc6 6723 changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c
MH		 6724 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6725 }
eac83dc6
MH		 6726
6727 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6728 settings_rsp, &match);
6729
6730 if (changed)
6731 new_settings(hdev, match.sk);
6732
6733 if (match.sk)
6734 sock_put(match.sk);
6735}
6736
92da6097 6737static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH		 6738{
6739 struct cmd_lookup *match = data;
6740
90e70454
JH		 6741 if (match->sk == NULL) {
6742 match->sk = cmd->sk;
6743 sock_hold(match->sk);
6744 }
90e70454
JH		 6745}
6746
4e1b0245
MH		 6747void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
6748 u8 status)
7f9a903c 6749{
90e70454 6750 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 6751
92da6097
JH		 6752 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
6753 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
6754 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 6755
6756 if (!status)
4e1b0245
MH		 6757 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
6758 NULL);
90e70454
JH		 6759
6760 if (match.sk)
6761 sock_put(match.sk);
7f9a903c
MH		 6762}
6763
7667da34 6764void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 6765{
b312b161 6766 struct mgmt_cp_set_local_name ev;
13928971 6767 struct pending_cmd *cmd;
28cc7bde 6768
13928971 6769 if (status)
7667da34 6770 return;
b312b161
JH		 6771
6772 memset(&ev, 0, sizeof(ev));
6773 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 6774 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 6775
2e58ef3e 6776 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 6777 if (!cmd) {
6778 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 6779
13928971
JH		 6780 /* If this is a HCI command related to powering on the
6781 * HCI dev don't send any mgmt signals.
6782 */
6783 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 6784 return;
890ea898 6785 }
b312b161 6786
7667da34
MH		 6787 mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
6788 cmd ? cmd->sk : NULL);
b312b161 6789}
c35938b2 6790
4d2d2796 6791void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
38da1703
JH		 6792 u8 *rand192, u8 *hash256, u8 *rand256,
6793 u8 status)
c35938b2
SJ		 6794{
6795 struct pending_cmd *cmd;
c35938b2 6796
744cf19e 6797 BT_DBG("%s status %u", hdev->name, status);
c35938b2 6798
2e58ef3e 6799 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2 6800 if (!cmd)
3edaf092 6801 return;
c35938b2
SJ		 6802
6803 if (status) {
3edaf092
MH		 6804 cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
6805 mgmt_status(status));
c35938b2 6806 } else {
710f11c0 6807 if (bredr_sc_enabled(hdev) && hash256 && rand256) {
4d2d2796
MH		 6808 struct mgmt_rp_read_local_oob_ext_data rp;
6809
6810 memcpy(rp.hash192, hash192, sizeof(rp.hash192));
38da1703 6811 memcpy(rp.rand192, rand192, sizeof(rp.rand192));
c35938b2 6812
4d2d2796 6813 memcpy(rp.hash256, hash256, sizeof(rp.hash256));
38da1703 6814 memcpy(rp.rand256, rand256, sizeof(rp.rand256));
c35938b2 6815
4d2d2796
MH		 6816 cmd_complete(cmd->sk, hdev->id,
6817 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6818 &rp, sizeof(rp));
6819 } else {
6820 struct mgmt_rp_read_local_oob_data rp;
6821
6822 memcpy(rp.hash, hash192, sizeof(rp.hash));
38da1703 6823 memcpy(rp.rand, rand192, sizeof(rp.rand));
4d2d2796
MH		 6824
6825 cmd_complete(cmd->sk, hdev->id,
6826 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6827 &rp, sizeof(rp));
6828 }
c35938b2
SJ		 6829 }
6830
6831 mgmt_pending_remove(cmd);
c35938b2 6832}
e17acd40 6833
901801b9 6834void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
af58925c
MH		 6835 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
6836 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 6837{
e319d2e7
JH		 6838 char buf[512];
6839 struct mgmt_ev_device_found *ev = (void *) buf;
1dc06093 6840 size_t ev_size;
e17acd40 6841
75ce208c
JH		 6842 /* Don't send events for a non-kernel initiated discovery. With
6843 * LE one exception is if we have pend_le_reports > 0 in which
6844 * case we're doing passive scanning and want these events.
6845 */
6846 if (!hci_discovery_active(hdev)) {
6847 if (link_type == ACL_LINK)
6848 return;
66f8455a 6849 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
75ce208c
JH		 6850 return;
6851 }
12602d0c 6852
5d2e9fad
JH		 6853 /* Make sure that the buffer is big enough. The 5 extra bytes
6854 * are for the potential CoD field.
6855 */
6856 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
901801b9 6857 return;
7d262f86 6858
1dc06093
JH		 6859 memset(buf, 0, sizeof(buf));
6860
841c5644
JH		 6861 bacpy(&ev->addr.bdaddr, bdaddr);
6862 ev->addr.type = link_to_bdaddr(link_type, addr_type);
e319d2e7 6863 ev->rssi = rssi;
af58925c 6864 ev->flags = cpu_to_le32(flags);
e17acd40 6865
1dc06093 6866 if (eir_len > 0)
e319d2e7 6867 memcpy(ev->eir, eir, eir_len);
e17acd40 6868
1dc06093
JH		 6869 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
6870 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 6871 dev_class, 3);
1dc06093 6872
5d2e9fad
JH		 6873 if (scan_rsp_len > 0)
6874 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
6875
6876 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
6877 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 6878
901801b9 6879 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 6880}
a88a9652 6881
9cf12aee
MH		 6882void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6883 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 6884{
b644ba33
JH		 6885 struct mgmt_ev_device_found *ev;
6886 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
6887 u16 eir_len;
a88a9652 6888
b644ba33 6889 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 6890
b644ba33
JH		 6891 memset(buf, 0, sizeof(buf));
6892
6893 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6894 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 6895 ev->rssi = rssi;
6896
6897 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 6898 name_len);
b644ba33 6899
eb55ef07 6900 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 6901
9cf12aee 6902 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 6903}
314b2381 6904
2f1e063b 6905void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 6906{
f963e8e9 6907 struct mgmt_ev_discovering ev;
164a6e78
JH		 6908 struct pending_cmd *cmd;
6909
343fb145
AG		 6910 BT_DBG("%s discovering %u", hdev->name, discovering);
6911
164a6e78 6912 if (discovering)
2e58ef3e 6913 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78 6914 else
2e58ef3e 6915 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
164a6e78
JH		 6916
6917 if (cmd != NULL) {
f808e166
JH		 6918 u8 type = hdev->discovery.type;
6919
04124681
GP		 6920 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
6921 sizeof(type));
164a6e78
JH		 6922 mgmt_pending_remove(cmd);
6923 }
6924
f963e8e9
JH		 6925 memset(&ev, 0, sizeof(ev));
6926 ev.type = hdev->discovery.type;
6927 ev.discovering = discovering;
6928
2f1e063b 6929 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 6930}
5e762444 6931
5976e608
MH		 6932static void adv_enable_complete(struct hci_dev *hdev, u8 status)
6933{
6934 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 6935}
6936
6937void mgmt_reenable_advertising(struct hci_dev *hdev)
6938{
6939 struct hci_request req;
6940
5976e608
MH		 6941 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
6942 return;
6943
6944 hci_req_init(&req, hdev);
6945 enable_advertising(&req);
0ec5ae84 6946 hci_req_run(&req, adv_enable_complete);
5976e608 6947}
Linux kernel - Deliverables
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