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Bluetooth: Unify remote OOB data functions
[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,
81328d5c
JH		 3602 cp->hash, cp->rand,
3603 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
JH		 3623 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
3624 cp->hash192, cp->rand192,
3625 cp->hash256, cp->rand256);
ec109113
MH		 3626 if (err < 0)
3627 status = MGMT_STATUS_FAILED;
3628 else
3629 status = MGMT_STATUS_SUCCESS;
3630
3631 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3632 status, &cp->addr, sizeof(cp->addr));
3633 } else {
3634 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3635 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3636 MGMT_STATUS_INVALID_PARAMS);
3637 }
2763eda6 3638
c19a495c 3639unlock:
09fd0de5 3640 hci_dev_unlock(hdev);
2763eda6
SJ		 3641 return err;
3642}
3643
bdb6d971 3644static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3645 void *data, u16 len)
2763eda6 3646{
650f726d 3647 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3648 u8 status;
2763eda6
SJ		 3649 int err;
3650
bdb6d971 3651 BT_DBG("%s", hdev->name);
2763eda6 3652
c19a495c
JH		 3653 if (cp->addr.type != BDADDR_BREDR)
3654 return cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3655 MGMT_STATUS_INVALID_PARAMS,
3656 &cp->addr, sizeof(cp->addr));
3657
09fd0de5 3658 hci_dev_lock(hdev);
2763eda6 3659
eedbd581
JH		 3660 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
3661 hci_remote_oob_data_clear(hdev);
3662 status = MGMT_STATUS_SUCCESS;
3663 goto done;
3664 }
3665
664ce4cc 3666 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2763eda6 3667 if (err < 0)
bf1e3541 3668 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3669 else
a6785be2 3670 status = MGMT_STATUS_SUCCESS;
bf1e3541 3671
eedbd581 3672done:
bdb6d971 3673 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3674 status, &cp->addr, sizeof(cp->addr));
2763eda6 3675
09fd0de5 3676 hci_dev_unlock(hdev);
2763eda6
SJ		 3677 return err;
3678}
3679
41dc2bd6
AG		 3680static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3681{
3682 struct pending_cmd *cmd;
3683 u8 type;
3684 int err;
3685
3686 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3687
3688 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3689 if (!cmd)
3690 return -ENOENT;
3691
3692 type = hdev->discovery.type;
3693
3694 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3695 &type, sizeof(type));
3696 mgmt_pending_remove(cmd);
3697
3698 return err;
3699}
3700
7c307720
AG		 3701static void start_discovery_complete(struct hci_dev *hdev, u8 status)
3702{
ae55f598
LR		 3703 unsigned long timeout = 0;
3704
7c307720
AG		 3705 BT_DBG("status %d", status);
3706
3707 if (status) {
3708 hci_dev_lock(hdev);
3709 mgmt_start_discovery_failed(hdev, status);
3710 hci_dev_unlock(hdev);
3711 return;
3712 }
3713
3714 hci_dev_lock(hdev);
3715 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
3716 hci_dev_unlock(hdev);
3717
3718 switch (hdev->discovery.type) {
3719 case DISCOV_TYPE_LE:
3d5a76f0 3720 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720
AG		 3721 break;
3722
3723 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3724 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720
AG		 3725 break;
3726
3727 case DISCOV_TYPE_BREDR:
3728 break;
3729
3730 default:
3731 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
3732 }
ae55f598
LR		 3733
3734 if (!timeout)
3735 return;
3736
3737 queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout);
7c307720
AG		 3738}
3739
bdb6d971 3740static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3741 void *data, u16 len)
14a53664 3742{
650f726d 3743 struct mgmt_cp_start_discovery *cp = data;
14a53664 3744 struct pending_cmd *cmd;
7c307720
AG		 3745 struct hci_cp_le_set_scan_param param_cp;
3746 struct hci_cp_le_set_scan_enable enable_cp;
3747 struct hci_cp_inquiry inq_cp;
3748 struct hci_request req;
3749 /* General inquiry access code (GIAC) */
3750 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3751 u8 status, own_addr_type;
14a53664
JH		 3752 int err;
3753
bdb6d971 3754 BT_DBG("%s", hdev->name);
14a53664 3755
09fd0de5 3756 hci_dev_lock(hdev);
14a53664 3757
4b34ee78 3758 if (!hdev_is_powered(hdev)) {
a736abc1
SJ		 3759 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3760 MGMT_STATUS_NOT_POWERED,
3761 &cp->type, sizeof(cp->type));
bd2d1334
JH		 3762 goto failed;
3763 }
3764
642be6c7 3765 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
a736abc1
SJ		 3766 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3767 MGMT_STATUS_BUSY, &cp->type,
3768 sizeof(cp->type));
642be6c7
AG		 3769 goto failed;
3770 }
3771
ff9ef578 3772 if (hdev->discovery.state != DISCOVERY_STOPPED) {
a736abc1
SJ		 3773 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3774 MGMT_STATUS_BUSY, &cp->type,
3775 sizeof(cp->type));
ff9ef578
JH		 3776 goto failed;
3777 }
3778
2e58ef3e 3779 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3780 if (!cmd) {
3781 err = -ENOMEM;
3782 goto failed;
3783 }
3784
4aab14e5
AG		 3785 hdev->discovery.type = cp->type;
3786
7c307720
AG		 3787 hci_req_init(&req, hdev);
3788
4aab14e5 3789 switch (hdev->discovery.type) {
f39799f5 3790 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3791 status = mgmt_bredr_support(hdev);
3792 if (status) {
a736abc1
SJ		 3793 err = cmd_complete(sk, hdev->id,
3794 MGMT_OP_START_DISCOVERY, status,
3795 &cp->type, sizeof(cp->type));
04106755
JH		 3796 mgmt_pending_remove(cmd);
3797 goto failed;
3798 }
3799
7c307720 3800 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
a736abc1
SJ		 3801 err = cmd_complete(sk, hdev->id,
3802 MGMT_OP_START_DISCOVERY,
3803 MGMT_STATUS_BUSY, &cp->type,
3804 sizeof(cp->type));
7c307720
AG		 3805 mgmt_pending_remove(cmd);
3806 goto failed;
3807 }
3808
3809 hci_inquiry_cache_flush(hdev);
3810
3811 memset(&inq_cp, 0, sizeof(inq_cp));
3812 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3813 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3814 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3815 break;
3816
3817 case DISCOV_TYPE_LE:
7c307720 3818 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3819 status = mgmt_le_support(hdev);
3820 if (status) {
a736abc1
SJ		 3821 err = cmd_complete(sk, hdev->id,
3822 MGMT_OP_START_DISCOVERY, status,
3823 &cp->type, sizeof(cp->type));
04106755
JH		 3824 mgmt_pending_remove(cmd);
3825 goto failed;
3826 }
3827
7c307720 3828 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3829 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
a736abc1
SJ		 3830 err = cmd_complete(sk, hdev->id,
3831 MGMT_OP_START_DISCOVERY,
3832 MGMT_STATUS_NOT_SUPPORTED,
3833 &cp->type, sizeof(cp->type));
04106755
JH		 3834 mgmt_pending_remove(cmd);
3835 goto failed;
3836 }
3837
e8bb6b97
JH		 3838 if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
3839 /* Don't let discovery abort an outgoing
3840 * connection attempt that's using directed
3841 * advertising.
3842 */
3843 if (hci_conn_hash_lookup_state(hdev, LE_LINK,
3844 BT_CONNECT)) {
a736abc1
SJ		 3845 err = cmd_complete(sk, hdev->id,
3846 MGMT_OP_START_DISCOVERY,
3847 MGMT_STATUS_REJECTED,
3848 &cp->type,
3849 sizeof(cp->type));
e8bb6b97
JH		 3850 mgmt_pending_remove(cmd);
3851 goto failed;
3852 }
3853
3854 disable_advertising(&req);
7c307720
AG		 3855 }
3856
c54c3860
AG		 3857 /* If controller is scanning, it means the background scanning
3858 * is running. Thus, we should temporarily stop it in order to
3859 * set the discovery scanning parameters.
3860 */
3861 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3862 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3863
3864 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3865
94b1fc92
MH		 3866 /* All active scans will be done with either a resolvable
3867 * private address (when privacy feature has been enabled)
3868 * or unresolvable private address.
3869 */
3870 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943 3871 if (err < 0) {
a736abc1
SJ		 3872 err = cmd_complete(sk, hdev->id,
3873 MGMT_OP_START_DISCOVERY,
3874 MGMT_STATUS_FAILED,
3875 &cp->type, sizeof(cp->type));
d9483943
JH		 3876 mgmt_pending_remove(cmd);
3877 goto failed;
3878 }
3879
7c307720 3880 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3881 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3882 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3883 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3884 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3885 &param_cp);
3886
3887 memset(&enable_cp, 0, sizeof(enable_cp));
3888 enable_cp.enable = LE_SCAN_ENABLE;
3889 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3890 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3891 &enable_cp);
5e0452c0
AG		 3892 break;
3893
f39799f5 3894 default:
a736abc1
SJ		 3895 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3896 MGMT_STATUS_INVALID_PARAMS,
3897 &cp->type, sizeof(cp->type));
04106755
JH		 3898 mgmt_pending_remove(cmd);
3899 goto failed;
f39799f5 3900 }
3fd24153 3901
7c307720 3902 err = hci_req_run(&req, start_discovery_complete);
14a53664
JH		 3903 if (err < 0)
3904 mgmt_pending_remove(cmd);
ff9ef578
JH		 3905 else
3906 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3907
3908failed:
09fd0de5 3909 hci_dev_unlock(hdev);
14a53664
JH		 3910 return err;
3911}
3912
1183fdca
AG		 3913static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3914{
3915 struct pending_cmd *cmd;
3916 int err;
3917
3918 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3919 if (!cmd)
3920 return -ENOENT;
3921
3922 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3923 &hdev->discovery.type, sizeof(hdev->discovery.type));
3924 mgmt_pending_remove(cmd);
3925
3926 return err;
3927}
3928
0e05bba6
AG		 3929static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
3930{
3931 BT_DBG("status %d", status);
3932
3933 hci_dev_lock(hdev);
3934
3935 if (status) {
3936 mgmt_stop_discovery_failed(hdev, status);
3937 goto unlock;
3938 }
3939
3940 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3941
3942unlock:
3943 hci_dev_unlock(hdev);
3944}
3945
bdb6d971 3946static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3947 u16 len)
14a53664 3948{
d930650b 3949 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3950 struct pending_cmd *cmd;
0e05bba6 3951 struct hci_request req;
14a53664
JH		 3952 int err;
3953
bdb6d971 3954 BT_DBG("%s", hdev->name);
14a53664 3955
09fd0de5 3956 hci_dev_lock(hdev);
14a53664 3957
30dc78e1 3958 if (!hci_discovery_active(hdev)) {
bdb6d971 3959 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3960 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3961 sizeof(mgmt_cp->type));
d930650b
JH		 3962 goto unlock;
3963 }
3964
3965 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3966 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3967 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3968 sizeof(mgmt_cp->type));
30dc78e1 3969 goto unlock;
ff9ef578
JH		 3970 }
3971
2e58ef3e 3972 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3973 if (!cmd) {
3974 err = -ENOMEM;
30dc78e1
JH		 3975 goto unlock;
3976 }
3977
0e05bba6
AG		 3978 hci_req_init(&req, hdev);
3979
21a60d30 3980 hci_stop_discovery(&req);
e0d9727e 3981
21a60d30
JH		 3982 err = hci_req_run(&req, stop_discovery_complete);
3983 if (!err) {
3984 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3985 goto unlock;
14a53664
JH		 3986 }
3987
21a60d30
JH		 3988 mgmt_pending_remove(cmd);
3989
3990 /* If no HCI commands were sent we're done */
3991 if (err == -ENODATA) {
3992 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3993 &mgmt_cp->type, sizeof(mgmt_cp->type));
3994 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3995 }
14a53664 3996
30dc78e1 3997unlock:
09fd0de5 3998 hci_dev_unlock(hdev);
14a53664
JH		 3999 return err;
4000}
4001
bdb6d971 4002static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4003 u16 len)
561aafbc 4004{
650f726d 4005 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4006 struct inquiry_entry *e;
561aafbc
JH		 4007 int err;
4008
bdb6d971 4009 BT_DBG("%s", hdev->name);
561aafbc 4010
561aafbc
JH		 4011 hci_dev_lock(hdev);
4012
30dc78e1 4013 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 4014 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4015 MGMT_STATUS_FAILED, &cp->addr,
4016 sizeof(cp->addr));
30dc78e1
JH		 4017 goto failed;
4018 }
4019
a198e7b1 4020 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4021 if (!e) {
d3a2541d
LR		 4022 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4023 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4024 sizeof(cp->addr));
561aafbc
JH		 4025 goto failed;
4026 }
4027
4028 if (cp->name_known) {
4029 e->name_state = NAME_KNOWN;
4030 list_del(&e->list);
4031 } else {
4032 e->name_state = NAME_NEEDED;
a3d4e20a 4033 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4034 }
4035
e384662b
JH		 4036 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
4037 sizeof(cp->addr));
561aafbc
JH		 4038
4039failed:
4040 hci_dev_unlock(hdev);
561aafbc
JH		 4041 return err;
4042}
4043
bdb6d971 4044static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4045 u16 len)
7fbec224 4046{
650f726d 4047 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4048 u8 status;
7fbec224
AJ		 4049 int err;
4050
bdb6d971 4051 BT_DBG("%s", hdev->name);
7fbec224 4052
4ee71b20 4053 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4054 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4055 MGMT_STATUS_INVALID_PARAMS,
4056 &cp->addr, sizeof(cp->addr));
4ee71b20 4057
09fd0de5 4058 hci_dev_lock(hdev);
5e762444 4059
dcc36c16
JH		 4060 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4061 cp->addr.type);
2a8357f2 4062 if (err < 0) {
f0eeea8b 4063 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4064 goto done;
4065 }
4066
4067 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4068 sk);
4069 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4070
2a8357f2 4071done:
bdb6d971 4072 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 4073 &cp->addr, sizeof(cp->addr));
5e762444 4074
09fd0de5 4075 hci_dev_unlock(hdev);
7fbec224
AJ		 4076
4077 return err;
4078}
4079
bdb6d971 4080static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4081 u16 len)
7fbec224 4082{
650f726d 4083 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4084 u8 status;
7fbec224
AJ		 4085 int err;
4086
bdb6d971 4087 BT_DBG("%s", hdev->name);
7fbec224 4088
4ee71b20 4089 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4090 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4091 MGMT_STATUS_INVALID_PARAMS,
4092 &cp->addr, sizeof(cp->addr));
4ee71b20 4093
09fd0de5 4094 hci_dev_lock(hdev);
5e762444 4095
dcc36c16
JH		 4096 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4097 cp->addr.type);
2a8357f2 4098 if (err < 0) {
f0eeea8b 4099 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4100 goto done;
4101 }
4102
4103 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4104 sk);
4105 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4106
2a8357f2 4107done:
bdb6d971 4108 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 4109 &cp->addr, sizeof(cp->addr));
5e762444 4110
09fd0de5 4111 hci_dev_unlock(hdev);
7fbec224
AJ		 4112
4113 return err;
4114}
4115
cdbaccca
MH		 4116static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4117 u16 len)
4118{
4119 struct mgmt_cp_set_device_id *cp = data;
890ea898 4120 struct hci_request req;
cdbaccca 4121 int err;
c72d4b8a 4122 __u16 source;
cdbaccca
MH		 4123
4124 BT_DBG("%s", hdev->name);
4125
c72d4b8a
SJ		 4126 source = __le16_to_cpu(cp->source);
4127
4128 if (source > 0x0002)
4129 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4130 MGMT_STATUS_INVALID_PARAMS);
4131
cdbaccca
MH		 4132 hci_dev_lock(hdev);
4133
c72d4b8a 4134 hdev->devid_source = source;
cdbaccca
MH		 4135 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4136 hdev->devid_product = __le16_to_cpu(cp->product);
4137 hdev->devid_version = __le16_to_cpu(cp->version);
4138
4139 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
4140
890ea898
JH		 4141 hci_req_init(&req, hdev);
4142 update_eir(&req);
4143 hci_req_run(&req, NULL);
cdbaccca
MH		 4144
4145 hci_dev_unlock(hdev);
4146
4147 return err;
4148}
4149
4375f103
JH		 4150static void set_advertising_complete(struct hci_dev *hdev, u8 status)
4151{
4152 struct cmd_lookup match = { NULL, hdev };
4153
4154 if (status) {
4155 u8 mgmt_err = mgmt_status(status);
4156
4157 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4158 cmd_status_rsp, &mgmt_err);
4159 return;
4160 }
4161
c93bd150
JH		 4162 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
4163 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
4164 else
4165 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
4166
4375f103
JH		 4167 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4168 &match);
4169
4170 new_settings(hdev, match.sk);
4171
4172 if (match.sk)
4173 sock_put(match.sk);
4174}
4175
21b5187f
MH		 4176static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4177 u16 len)
4375f103
JH		 4178{
4179 struct mgmt_mode *cp = data;
4180 struct pending_cmd *cmd;
4181 struct hci_request req;
e6fe7986 4182 u8 val, enabled, status;
4375f103
JH		 4183 int err;
4184
4185 BT_DBG("request for %s", hdev->name);
4186
e6fe7986
JH		 4187 status = mgmt_le_support(hdev);
4188 if (status)
4375f103 4189 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 4190 status);
4375f103
JH		 4191
4192 if (cp->val != 0x00 && cp->val != 0x01)
4193 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4194 MGMT_STATUS_INVALID_PARAMS);
4195
4196 hci_dev_lock(hdev);
4197
4198 val = !!cp->val;
f3d3444a 4199 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 4200
f74ca9b8
JH		 4201 /* The following conditions are ones which mean that we should
4202 * not do any HCI communication but directly send a mgmt
4203 * response to user space (after toggling the flag if
4204 * necessary).
4205 */
4206 if (!hdev_is_powered(hdev) || val == enabled ||
e8bb6b97
JH		 4207 hci_conn_num(hdev, LE_LINK) > 0 ||
4208 (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4209 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4375f103
JH		 4210 bool changed = false;
4211
f3d3444a
JH		 4212 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
4213 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 4214 changed = true;
4215 }
4216
4217 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4218 if (err < 0)
4219 goto unlock;
4220
4221 if (changed)
4222 err = new_settings(hdev, sk);
4223
4224 goto unlock;
4225 }
4226
4227 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4228 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
4229 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4230 MGMT_STATUS_BUSY);
4231 goto unlock;
4232 }
4233
4234 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4235 if (!cmd) {
4236 err = -ENOMEM;
4237 goto unlock;
4238 }
4239
4240 hci_req_init(&req, hdev);
4241
bba3aa55
MH		 4242 if (val)
4243 enable_advertising(&req);
4244 else
4245 disable_advertising(&req);
4375f103
JH		 4246
4247 err = hci_req_run(&req, set_advertising_complete);
4248 if (err < 0)
4249 mgmt_pending_remove(cmd);
4250
4251unlock:
4252 hci_dev_unlock(hdev);
4253 return err;
4254}
4255
d13eafce
MH		 4256static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4257 void *data, u16 len)
4258{
4259 struct mgmt_cp_set_static_address *cp = data;
4260 int err;
4261
4262 BT_DBG("%s", hdev->name);
4263
62af4443 4264 if (!lmp_le_capable(hdev))
d13eafce 4265 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 4266 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4267
4268 if (hdev_is_powered(hdev))
4269 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4270 MGMT_STATUS_REJECTED);
4271
4272 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4273 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4274 return cmd_status(sk, hdev->id,
4275 MGMT_OP_SET_STATIC_ADDRESS,
4276 MGMT_STATUS_INVALID_PARAMS);
4277
4278 /* Two most significant bits shall be set */
4279 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4280 return cmd_status(sk, hdev->id,
4281 MGMT_OP_SET_STATIC_ADDRESS,
4282 MGMT_STATUS_INVALID_PARAMS);
4283 }
4284
4285 hci_dev_lock(hdev);
4286
4287 bacpy(&hdev->static_addr, &cp->bdaddr);
4288
4289 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
4290
4291 hci_dev_unlock(hdev);
4292
4293 return err;
4294}
4295
14b49b9a
MH		 4296static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4297 void *data, u16 len)
4298{
4299 struct mgmt_cp_set_scan_params *cp = data;
4300 __u16 interval, window;
4301 int err;
4302
4303 BT_DBG("%s", hdev->name);
4304
4305 if (!lmp_le_capable(hdev))
4306 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4307 MGMT_STATUS_NOT_SUPPORTED);
4308
4309 interval = __le16_to_cpu(cp->interval);
4310
4311 if (interval < 0x0004 || interval > 0x4000)
4312 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4313 MGMT_STATUS_INVALID_PARAMS);
4314
4315 window = __le16_to_cpu(cp->window);
4316
4317 if (window < 0x0004 || window > 0x4000)
4318 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4319 MGMT_STATUS_INVALID_PARAMS);
4320
899e1075
MH		 4321 if (window > interval)
4322 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4323 MGMT_STATUS_INVALID_PARAMS);
4324
14b49b9a
MH		 4325 hci_dev_lock(hdev);
4326
4327 hdev->le_scan_interval = interval;
4328 hdev->le_scan_window = window;
4329
4330 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4331
dd2ef8e2
AG		 4332 /* If background scan is running, restart it so new parameters are
4333 * loaded.
4334 */
4335 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4336 hdev->discovery.state == DISCOVERY_STOPPED) {
4337 struct hci_request req;
4338
4339 hci_req_init(&req, hdev);
4340
4341 hci_req_add_le_scan_disable(&req);
4342 hci_req_add_le_passive_scan(&req);
4343
4344 hci_req_run(&req, NULL);
4345 }
4346
14b49b9a
MH		 4347 hci_dev_unlock(hdev);
4348
4349 return err;
4350}
4351
33e38b3e
JH		 4352static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4353{
4354 struct pending_cmd *cmd;
4355
4356 BT_DBG("status 0x%02x", status);
4357
4358 hci_dev_lock(hdev);
4359
4360 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4361 if (!cmd)
4362 goto unlock;
4363
4364 if (status) {
4365 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4366 mgmt_status(status));
4367 } else {
1a4d3c4b
JH		 4368 struct mgmt_mode *cp = cmd->param;
4369
4370 if (cp->val)
4371 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4372 else
4373 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4374
33e38b3e
JH		 4375 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4376 new_settings(hdev, cmd->sk);
4377 }
4378
4379 mgmt_pending_remove(cmd);
4380
4381unlock:
4382 hci_dev_unlock(hdev);
4383}
4384
bdb6d971 4385static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4386 void *data, u16 len)
f6422ec6 4387{
650f726d 4388 struct mgmt_mode *cp = data;
33e38b3e
JH		 4389 struct pending_cmd *cmd;
4390 struct hci_request req;
f6422ec6
AJ		 4391 int err;
4392
bdb6d971 4393 BT_DBG("%s", hdev->name);
f6422ec6 4394
56f87901
JH		 4395 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4396 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4397 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4398 MGMT_STATUS_NOT_SUPPORTED);
4399
a7e80f25
JH		 4400 if (cp->val != 0x00 && cp->val != 0x01)
4401 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4402 MGMT_STATUS_INVALID_PARAMS);
4403
5400c044 4404 if (!hdev_is_powered(hdev))
bdb6d971 4405 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4406 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4407
4408 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4409 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4410 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4411
4412 hci_dev_lock(hdev);
4413
05cbf29f
JH		 4414 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4415 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4416 MGMT_STATUS_BUSY);
4417 goto unlock;
4418 }
4419
1a4d3c4b
JH		 4420 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4421 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4422 hdev);
4423 goto unlock;
4424 }
4425
33e38b3e
JH		 4426 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4427 data, len);
4428 if (!cmd) {
4429 err = -ENOMEM;
4430 goto unlock;
f6422ec6
AJ		 4431 }
4432
33e38b3e
JH		 4433 hci_req_init(&req, hdev);
4434
406d7804 4435 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4436
4437 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4438 if (err < 0) {
bdb6d971 4439 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4440 MGMT_STATUS_FAILED);
33e38b3e 4441 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4442 }
4443
33e38b3e 4444unlock:
f6422ec6 4445 hci_dev_unlock(hdev);
33e38b3e 4446
f6422ec6
AJ		 4447 return err;
4448}
4449
0663ca2a
JH		 4450static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4451{
4452 struct pending_cmd *cmd;
4453
4454 BT_DBG("status 0x%02x", status);
4455
4456 hci_dev_lock(hdev);
4457
4458 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4459 if (!cmd)
4460 goto unlock;
4461
4462 if (status) {
4463 u8 mgmt_err = mgmt_status(status);
4464
4465 /* We need to restore the flag if related HCI commands
4466 * failed.
4467 */
4468 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4469
4470 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4471 } else {
4472 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4473 new_settings(hdev, cmd->sk);
4474 }
4475
4476 mgmt_pending_remove(cmd);
4477
4478unlock:
4479 hci_dev_unlock(hdev);
4480}
4481
4482static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4483{
4484 struct mgmt_mode *cp = data;
4485 struct pending_cmd *cmd;
4486 struct hci_request req;
4487 int err;
4488
4489 BT_DBG("request for %s", hdev->name);
4490
4491 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4492 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4493 MGMT_STATUS_NOT_SUPPORTED);
4494
4495 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4496 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4497 MGMT_STATUS_REJECTED);
4498
4499 if (cp->val != 0x00 && cp->val != 0x01)
4500 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4501 MGMT_STATUS_INVALID_PARAMS);
4502
4503 hci_dev_lock(hdev);
4504
4505 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4506 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4507 goto unlock;
4508 }
4509
4510 if (!hdev_is_powered(hdev)) {
4511 if (!cp->val) {
0663ca2a
JH		 4512 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4513 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4514 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4515 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4516 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4517 }
4518
4519 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4520
4521 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4522 if (err < 0)
4523 goto unlock;
4524
4525 err = new_settings(hdev, sk);
4526 goto unlock;
4527 }
4528
4529 /* Reject disabling when powered on */
4530 if (!cp->val) {
4531 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4532 MGMT_STATUS_REJECTED);
4533 goto unlock;
4534 }
4535
4536 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4537 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4538 MGMT_STATUS_BUSY);
4539 goto unlock;
4540 }
4541
4542 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4543 if (!cmd) {
4544 err = -ENOMEM;
4545 goto unlock;
4546 }
4547
5947f4bc 4548 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4549 * generates the correct flags.
4550 */
4551 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4552
4553 hci_req_init(&req, hdev);
aa8af46e 4554
432df05e
JH		 4555 write_fast_connectable(&req, false);
4556 hci_update_page_scan(hdev, &req);
aa8af46e 4557
f14d8f64
MH		 4558 /* Since only the advertising data flags will change, there
4559 * is no need to update the scan response data.
4560 */
5947f4bc 4561 update_adv_data(&req);
aa8af46e 4562
0663ca2a
JH		 4563 err = hci_req_run(&req, set_bredr_complete);
4564 if (err < 0)
4565 mgmt_pending_remove(cmd);
4566
4567unlock:
4568 hci_dev_unlock(hdev);
4569 return err;
4570}
4571
eac83dc6
MH		 4572static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4573 void *data, u16 len)
4574{
4575 struct mgmt_mode *cp = data;
4576 struct pending_cmd *cmd;
a3209694 4577 u8 val;
eac83dc6
MH		 4578 int err;
4579
4580 BT_DBG("request for %s", hdev->name);
4581
a3209694
JH		 4582 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
4583 !lmp_sc_capable(hdev) && !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4584 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4585 MGMT_STATUS_NOT_SUPPORTED);
4586
0ab04a9c 4587 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4588 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4589 MGMT_STATUS_INVALID_PARAMS);
4590
4591 hci_dev_lock(hdev);
4592
a3209694
JH		 4593 if (!hdev_is_powered(hdev) ||
4594 (!lmp_sc_capable(hdev) &&
4595 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags)) ||
4596 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
eac83dc6
MH		 4597 bool changed;
4598
0ab04a9c 4599 if (cp->val) {
eac83dc6
MH		 4600 changed = !test_and_set_bit(HCI_SC_ENABLED,
4601 &hdev->dev_flags);
0ab04a9c
MH		 4602 if (cp->val == 0x02)
4603 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4604 else
4605 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4606 } else {
eac83dc6
MH		 4607 changed = test_and_clear_bit(HCI_SC_ENABLED,
4608 &hdev->dev_flags);
0ab04a9c
MH		 4609 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4610 }
eac83dc6
MH		 4611
4612 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4613 if (err < 0)
4614 goto failed;
4615
4616 if (changed)
4617 err = new_settings(hdev, sk);
4618
4619 goto failed;
4620 }
4621
4622 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4623 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4624 MGMT_STATUS_BUSY);
4625 goto failed;
4626 }
4627
0ab04a9c
MH		 4628 val = !!cp->val;
4629
4630 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4631 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4632 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4633 goto failed;
4634 }
4635
4636 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4637 if (!cmd) {
4638 err = -ENOMEM;
4639 goto failed;
4640 }
4641
0ab04a9c 4642 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4643 if (err < 0) {
4644 mgmt_pending_remove(cmd);
4645 goto failed;
4646 }
4647
0ab04a9c
MH		 4648 if (cp->val == 0x02)
4649 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4650 else
4651 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4652
eac83dc6
MH		 4653failed:
4654 hci_dev_unlock(hdev);
4655 return err;
4656}
4657
4e39ac81
MH		 4658static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4659 void *data, u16 len)
4660{
4661 struct mgmt_mode *cp = data;
b9710979 4662 bool changed, use_changed;
4e39ac81
MH		 4663 int err;
4664
4665 BT_DBG("request for %s", hdev->name);
4666
b9710979 4667 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4668 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4669 MGMT_STATUS_INVALID_PARAMS);
4670
4671 hci_dev_lock(hdev);
4672
4673 if (cp->val)
0663b297
JH		 4674 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4675 &hdev->dev_flags);
4e39ac81 4676 else
0663b297
JH		 4677 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4678 &hdev->dev_flags);
4e39ac81 4679
b9710979
JH		 4680 if (cp->val == 0x02)
4681 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4682 &hdev->dev_flags);
4683 else
4684 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4685 &hdev->dev_flags);
4686
4687 if (hdev_is_powered(hdev) && use_changed &&
4688 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4689 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4690 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4691 sizeof(mode), &mode);
4692 }
4693
4e39ac81
MH		 4694 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4695 if (err < 0)
4696 goto unlock;
4697
4698 if (changed)
4699 err = new_settings(hdev, sk);
4700
4701unlock:
4702 hci_dev_unlock(hdev);
4703 return err;
4704}
4705
62b04cd1
JH		 4706static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4707 u16 len)
4708{
4709 struct mgmt_cp_set_privacy *cp = cp_data;
4710 bool changed;
4711 int err;
4712
4713 BT_DBG("request for %s", hdev->name);
4714
4715 if (!lmp_le_capable(hdev))
4716 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4717 MGMT_STATUS_NOT_SUPPORTED);
4718
4719 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4720 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4721 MGMT_STATUS_INVALID_PARAMS);
4722
4723 if (hdev_is_powered(hdev))
4724 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4725 MGMT_STATUS_REJECTED);
4726
4727 hci_dev_lock(hdev);
4728
c21c0ea0
JH		 4729 /* If user space supports this command it is also expected to
4730 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4731 */
4732 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4733
62b04cd1
JH		 4734 if (cp->privacy) {
4735 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4736 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4737 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4738 } else {
4739 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4740 memset(hdev->irk, 0, sizeof(hdev->irk));
4741 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4742 }
4743
4744 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4745 if (err < 0)
4746 goto unlock;
4747
4748 if (changed)
4749 err = new_settings(hdev, sk);
4750
4751unlock:
4752 hci_dev_unlock(hdev);
4753 return err;
4754}
4755
41edf160
JH		 4756static bool irk_is_valid(struct mgmt_irk_info *irk)
4757{
4758 switch (irk->addr.type) {
4759 case BDADDR_LE_PUBLIC:
4760 return true;
4761
4762 case BDADDR_LE_RANDOM:
4763 /* Two most significant bits shall be set */
4764 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4765 return false;
4766 return true;
4767 }
4768
4769 return false;
4770}
4771
4772static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4773 u16 len)
4774{
4775 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4776 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4777 sizeof(struct mgmt_irk_info));
41edf160
JH		 4778 u16 irk_count, expected_len;
4779 int i, err;
4780
4781 BT_DBG("request for %s", hdev->name);
4782
4783 if (!lmp_le_capable(hdev))
4784 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4785 MGMT_STATUS_NOT_SUPPORTED);
4786
4787 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4788 if (irk_count > max_irk_count) {
4789 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4790 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4791 MGMT_STATUS_INVALID_PARAMS);
4792 }
41edf160
JH		 4793
4794 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4795 if (expected_len != len) {
4796 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4797 expected_len, len);
41edf160
JH		 4798 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4799 MGMT_STATUS_INVALID_PARAMS);
4800 }
4801
4802 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4803
4804 for (i = 0; i < irk_count; i++) {
4805 struct mgmt_irk_info *key = &cp->irks[i];
4806
4807 if (!irk_is_valid(key))
4808 return cmd_status(sk, hdev->id,
4809 MGMT_OP_LOAD_IRKS,
4810 MGMT_STATUS_INVALID_PARAMS);
4811 }
4812
4813 hci_dev_lock(hdev);
4814
4815 hci_smp_irks_clear(hdev);
4816
4817 for (i = 0; i < irk_count; i++) {
4818 struct mgmt_irk_info *irk = &cp->irks[i];
4819 u8 addr_type;
4820
4821 if (irk->addr.type == BDADDR_LE_PUBLIC)
4822 addr_type = ADDR_LE_DEV_PUBLIC;
4823 else
4824 addr_type = ADDR_LE_DEV_RANDOM;
4825
4826 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4827 BDADDR_ANY);
4828 }
4829
4830 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4831
4832 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4833
4834 hci_dev_unlock(hdev);
4835
4836 return err;
4837}
4838
3f706b72
JH		 4839static bool ltk_is_valid(struct mgmt_ltk_info *key)
4840{
4841 if (key->master != 0x00 && key->master != 0x01)
4842 return false;
490cb0b3
MH		 4843
4844 switch (key->addr.type) {
4845 case BDADDR_LE_PUBLIC:
4846 return true;
4847
4848 case BDADDR_LE_RANDOM:
4849 /* Two most significant bits shall be set */
4850 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4851 return false;
4852 return true;
4853 }
4854
4855 return false;
3f706b72
JH		 4856}
4857
bdb6d971 4858static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4859 void *cp_data, u16 len)
346af67b 4860{
346af67b 4861 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4862 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4863 sizeof(struct mgmt_ltk_info));
346af67b 4864 u16 key_count, expected_len;
715a5bf2 4865 int i, err;
346af67b 4866
cf99ba13
MH		 4867 BT_DBG("request for %s", hdev->name);
4868
4869 if (!lmp_le_capable(hdev))
4870 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4871 MGMT_STATUS_NOT_SUPPORTED);
4872
1f350c87 4873 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4874 if (key_count > max_key_count) {
4875 BT_ERR("load_ltks: too big key_count value %u", key_count);
4876 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4877 MGMT_STATUS_INVALID_PARAMS);
4878 }
346af67b
VCG		 4879
4880 expected_len = sizeof(*cp) + key_count *
4881 sizeof(struct mgmt_ltk_info);
4882 if (expected_len != len) {
4883 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4884 expected_len, len);
bdb6d971 4885 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4886 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4887 }
4888
bdb6d971 4889 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4890
54ad6d8a
JH		 4891 for (i = 0; i < key_count; i++) {
4892 struct mgmt_ltk_info *key = &cp->keys[i];
4893
3f706b72 4894 if (!ltk_is_valid(key))
54ad6d8a
JH		 4895 return cmd_status(sk, hdev->id,
4896 MGMT_OP_LOAD_LONG_TERM_KEYS,
4897 MGMT_STATUS_INVALID_PARAMS);
4898 }
4899
346af67b
VCG		 4900 hci_dev_lock(hdev);
4901
4902 hci_smp_ltks_clear(hdev);
4903
4904 for (i = 0; i < key_count; i++) {
4905 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4906 u8 type, addr_type, authenticated;
79d95a19
MH		 4907
4908 if (key->addr.type == BDADDR_LE_PUBLIC)
4909 addr_type = ADDR_LE_DEV_PUBLIC;
4910 else
4911 addr_type = ADDR_LE_DEV_RANDOM;
346af67b 4912
61b43357
JH		 4913 switch (key->type) {
4914 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4915 authenticated = 0x00;
23fb8de3 4916 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 4917 break;
4918 case MGMT_LTK_AUTHENTICATED:
d7b25450 4919 authenticated = 0x01;
23fb8de3
JH		 4920 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4921 break;
4922 case MGMT_LTK_P256_UNAUTH:
4923 authenticated = 0x00;
4924 type = SMP_LTK_P256;
4925 break;
4926 case MGMT_LTK_P256_AUTH:
4927 authenticated = 0x01;
4928 type = SMP_LTK_P256;
61b43357 4929 break;
23fb8de3
JH		 4930 case MGMT_LTK_P256_DEBUG:
4931 authenticated = 0x00;
4932 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 4933 default:
4934 continue;
4935 }
d7b25450 4936
35d70271 4937 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4938 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4939 key->rand);
346af67b
VCG		 4940 }
4941
715a5bf2
JH		 4942 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4943 NULL, 0);
4944
346af67b 4945 hci_dev_unlock(hdev);
346af67b 4946
715a5bf2 4947 return err;
346af67b
VCG		 4948}
4949
dd983808
AK		 4950struct cmd_conn_lookup {
4951 struct hci_conn *conn;
4952 bool valid_tx_power;
4953 u8 mgmt_status;
4954};
4955
4956static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4957{
4958 struct cmd_conn_lookup *match = data;
4959 struct mgmt_cp_get_conn_info *cp;
4960 struct mgmt_rp_get_conn_info rp;
4961 struct hci_conn *conn = cmd->user_data;
4962
4963 if (conn != match->conn)
4964 return;
4965
4966 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4967
4968 memset(&rp, 0, sizeof(rp));
4969 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4970 rp.addr.type = cp->addr.type;
4971
4972 if (!match->mgmt_status) {
4973 rp.rssi = conn->rssi;
4974
eed5daf3 4975 if (match->valid_tx_power) {
dd983808 4976 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4977 rp.max_tx_power = conn->max_tx_power;
4978 } else {
dd983808 4979 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4980 rp.max_tx_power = HCI_TX_POWER_INVALID;
4981 }
dd983808
AK		 4982 }
4983
4984 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4985 match->mgmt_status, &rp, sizeof(rp));
4986
4987 hci_conn_drop(conn);
f8aaf9b6 4988 hci_conn_put(conn);
dd983808
AK		 4989
4990 mgmt_pending_remove(cmd);
4991}
4992
4993static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4994{
4995 struct hci_cp_read_rssi *cp;
4996 struct hci_conn *conn;
4997 struct cmd_conn_lookup match;
4998 u16 handle;
4999
5000 BT_DBG("status 0x%02x", status);
5001
5002 hci_dev_lock(hdev);
5003
5004 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 5005 * otherwise we assume it's not valid. At the moment we assume that
5006 * either both or none of current and max values are valid to keep code
5007 * simple.
dd983808
AK		 5008 */
5009 match.valid_tx_power = !status;
5010
5011 /* Commands sent in request are either Read RSSI or Read Transmit Power
5012 * Level so we check which one was last sent to retrieve connection
5013 * handle. Both commands have handle as first parameter so it's safe to
5014 * cast data on the same command struct.
5015 *
5016 * First command sent is always Read RSSI and we fail only if it fails.
5017 * In other case we simply override error to indicate success as we
5018 * already remembered if TX power value is actually valid.
5019 */
5020 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5021 if (!cp) {
5022 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
5023 status = 0;
5024 }
5025
5026 if (!cp) {
5027 BT_ERR("invalid sent_cmd in response");
5028 goto unlock;
5029 }
5030
5031 handle = __le16_to_cpu(cp->handle);
5032 conn = hci_conn_hash_lookup_handle(hdev, handle);
5033 if (!conn) {
5034 BT_ERR("unknown handle (%d) in response", handle);
5035 goto unlock;
5036 }
5037
5038 match.conn = conn;
5039 match.mgmt_status = mgmt_status(status);
5040
5041 /* Cache refresh is complete, now reply for mgmt request for given
5042 * connection only.
5043 */
5044 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
5045 get_conn_info_complete, &match);
5046
5047unlock:
5048 hci_dev_unlock(hdev);
5049}
5050
5051static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5052 u16 len)
5053{
5054 struct mgmt_cp_get_conn_info *cp = data;
5055 struct mgmt_rp_get_conn_info rp;
5056 struct hci_conn *conn;
5057 unsigned long conn_info_age;
5058 int err = 0;
5059
5060 BT_DBG("%s", hdev->name);
5061
5062 memset(&rp, 0, sizeof(rp));
5063 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5064 rp.addr.type = cp->addr.type;
5065
5066 if (!bdaddr_type_is_valid(cp->addr.type))
5067 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5068 MGMT_STATUS_INVALID_PARAMS,
5069 &rp, sizeof(rp));
5070
5071 hci_dev_lock(hdev);
5072
5073 if (!hdev_is_powered(hdev)) {
5074 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5075 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5076 goto unlock;
5077 }
5078
5079 if (cp->addr.type == BDADDR_BREDR)
5080 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5081 &cp->addr.bdaddr);
5082 else
5083 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5084
5085 if (!conn || conn->state != BT_CONNECTED) {
5086 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5087 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
5088 goto unlock;
5089 }
5090
5091 /* To avoid client trying to guess when to poll again for information we
5092 * calculate conn info age as random value between min/max set in hdev.
5093 */
5094 conn_info_age = hdev->conn_info_min_age +
5095 prandom_u32_max(hdev->conn_info_max_age -
5096 hdev->conn_info_min_age);
5097
5098 /* Query controller to refresh cached values if they are too old or were
5099 * never read.
5100 */
f4e2dd53
AK		 5101 if (time_after(jiffies, conn->conn_info_timestamp +
5102 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5103 !conn->conn_info_timestamp) {
5104 struct hci_request req;
5105 struct hci_cp_read_tx_power req_txp_cp;
5106 struct hci_cp_read_rssi req_rssi_cp;
5107 struct pending_cmd *cmd;
5108
5109 hci_req_init(&req, hdev);
5110 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5111 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5112 &req_rssi_cp);
5113
f7faab0c
AK		 5114 /* For LE links TX power does not change thus we don't need to
5115 * query for it once value is known.
5116 */
5117 if (!bdaddr_type_is_le(cp->addr.type) ||
5118 conn->tx_power == HCI_TX_POWER_INVALID) {
5119 req_txp_cp.handle = cpu_to_le16(conn->handle);
5120 req_txp_cp.type = 0x00;
5121 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5122 sizeof(req_txp_cp), &req_txp_cp);
5123 }
dd983808 5124
eed5daf3
AK		 5125 /* Max TX power needs to be read only once per connection */
5126 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5127 req_txp_cp.handle = cpu_to_le16(conn->handle);
5128 req_txp_cp.type = 0x01;
5129 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5130 sizeof(req_txp_cp), &req_txp_cp);
5131 }
5132
dd983808
AK		 5133 err = hci_req_run(&req, conn_info_refresh_complete);
5134 if (err < 0)
5135 goto unlock;
5136
5137 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5138 data, len);
5139 if (!cmd) {
5140 err = -ENOMEM;
5141 goto unlock;
5142 }
5143
5144 hci_conn_hold(conn);
f8aaf9b6 5145 cmd->user_data = hci_conn_get(conn);
dd983808
AK		 5146
5147 conn->conn_info_timestamp = jiffies;
5148 } else {
5149 /* Cache is valid, just reply with values cached in hci_conn */
5150 rp.rssi = conn->rssi;
5151 rp.tx_power = conn->tx_power;
eed5daf3 5152 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 5153
5154 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5155 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5156 }
5157
5158unlock:
5159 hci_dev_unlock(hdev);
5160 return err;
5161}
5162
95868426
JH		 5163static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
5164{
5165 struct mgmt_cp_get_clock_info *cp;
5166 struct mgmt_rp_get_clock_info rp;
5167 struct hci_cp_read_clock *hci_cp;
5168 struct pending_cmd *cmd;
5169 struct hci_conn *conn;
5170
5171 BT_DBG("%s status %u", hdev->name, status);
5172
5173 hci_dev_lock(hdev);
5174
5175 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5176 if (!hci_cp)
5177 goto unlock;
5178
5179 if (hci_cp->which) {
5180 u16 handle = __le16_to_cpu(hci_cp->handle);
5181 conn = hci_conn_hash_lookup_handle(hdev, handle);
5182 } else {
5183 conn = NULL;
5184 }
5185
5186 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5187 if (!cmd)
5188 goto unlock;
5189
5190 cp = cmd->param;
5191
5192 memset(&rp, 0, sizeof(rp));
5193 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
5194
5195 if (status)
5196 goto send_rsp;
5197
5198 rp.local_clock = cpu_to_le32(hdev->clock);
5199
5200 if (conn) {
5201 rp.piconet_clock = cpu_to_le32(conn->clock);
5202 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5203 }
5204
5205send_rsp:
5206 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
5207 &rp, sizeof(rp));
5208 mgmt_pending_remove(cmd);
f8aaf9b6 5209 if (conn) {
95868426 5210 hci_conn_drop(conn);
f8aaf9b6
JH		 5211 hci_conn_put(conn);
5212 }
95868426
JH		 5213
5214unlock:
5215 hci_dev_unlock(hdev);
5216}
5217
5218static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5219 u16 len)
5220{
5221 struct mgmt_cp_get_clock_info *cp = data;
5222 struct mgmt_rp_get_clock_info rp;
5223 struct hci_cp_read_clock hci_cp;
5224 struct pending_cmd *cmd;
5225 struct hci_request req;
5226 struct hci_conn *conn;
5227 int err;
5228
5229 BT_DBG("%s", hdev->name);
5230
5231 memset(&rp, 0, sizeof(rp));
5232 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5233 rp.addr.type = cp->addr.type;
5234
5235 if (cp->addr.type != BDADDR_BREDR)
5236 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5237 MGMT_STATUS_INVALID_PARAMS,
5238 &rp, sizeof(rp));
5239
5240 hci_dev_lock(hdev);
5241
5242 if (!hdev_is_powered(hdev)) {
5243 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5244 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5245 goto unlock;
5246 }
5247
5248 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5249 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5250 &cp->addr.bdaddr);
5251 if (!conn || conn->state != BT_CONNECTED) {
5252 err = cmd_complete(sk, hdev->id,
5253 MGMT_OP_GET_CLOCK_INFO,
5254 MGMT_STATUS_NOT_CONNECTED,
5255 &rp, sizeof(rp));
5256 goto unlock;
5257 }
5258 } else {
5259 conn = NULL;
5260 }
5261
5262 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5263 if (!cmd) {
5264 err = -ENOMEM;
5265 goto unlock;
5266 }
5267
5268 hci_req_init(&req, hdev);
5269
5270 memset(&hci_cp, 0, sizeof(hci_cp));
5271 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5272
5273 if (conn) {
5274 hci_conn_hold(conn);
f8aaf9b6 5275 cmd->user_data = hci_conn_get(conn);
95868426
JH		 5276
5277 hci_cp.handle = cpu_to_le16(conn->handle);
5278 hci_cp.which = 0x01; /* Piconet clock */
5279 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5280 }
5281
5282 err = hci_req_run(&req, get_clock_info_complete);
5283 if (err < 0)
5284 mgmt_pending_remove(cmd);
5285
5286unlock:
5287 hci_dev_unlock(hdev);
5288 return err;
5289}
5290
8afef092
MH		 5291static void device_added(struct sock *sk, struct hci_dev *hdev,
5292 bdaddr_t *bdaddr, u8 type, u8 action)
5293{
5294 struct mgmt_ev_device_added ev;
5295
5296 bacpy(&ev.addr.bdaddr, bdaddr);
5297 ev.addr.type = type;
5298 ev.action = action;
5299
5300 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5301}
5302
2faade53
MH		 5303static int add_device(struct sock *sk, struct hci_dev *hdev,
5304 void *data, u16 len)
5305{
5306 struct mgmt_cp_add_device *cp = data;
5307 u8 auto_conn, addr_type;
5308 int err;
5309
5310 BT_DBG("%s", hdev->name);
5311
6659358e 5312 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53
MH		 5313 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5314 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5315 MGMT_STATUS_INVALID_PARAMS,
5316 &cp->addr, sizeof(cp->addr));
5317
4b9e7e75 5318 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2faade53
MH		 5319 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5320 MGMT_STATUS_INVALID_PARAMS,
5321 &cp->addr, sizeof(cp->addr));
5322
5323 hci_dev_lock(hdev);
5324
6659358e 5325 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5326 /* Only incoming connections action is supported for now */
6659358e
JH		 5327 if (cp->action != 0x01) {
5328 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5329 MGMT_STATUS_INVALID_PARAMS,
5330 &cp->addr, sizeof(cp->addr));
5331 goto unlock;
5332 }
5333
5334 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5335 cp->addr.type);
5336 if (err)
5337 goto unlock;
a397407f 5338
432df05e 5339 hci_update_page_scan(hdev, NULL);
a397407f 5340
6659358e
JH		 5341 goto added;
5342 }
5343
2faade53
MH		 5344 if (cp->addr.type == BDADDR_LE_PUBLIC)
5345 addr_type = ADDR_LE_DEV_PUBLIC;
5346 else
5347 addr_type = ADDR_LE_DEV_RANDOM;
5348
4b9e7e75 5349 if (cp->action == 0x02)
2faade53 5350 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5351 else if (cp->action == 0x01)
5352 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5353 else
a3451d27 5354 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5355
bf5b3c8b
MH		 5356 /* If the connection parameters don't exist for this device,
5357 * they will be created and configured with defaults.
5358 */
d06b50ce
MH		 5359 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5360 auto_conn) < 0) {
2faade53
MH		 5361 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5362 MGMT_STATUS_FAILED,
5363 &cp->addr, sizeof(cp->addr));
5364 goto unlock;
5365 }
5366
6659358e 5367added:
8afef092
MH		 5368 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5369
2faade53
MH		 5370 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5371 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5372
5373unlock:
5374 hci_dev_unlock(hdev);
5375 return err;
5376}
5377
8afef092
MH		 5378static void device_removed(struct sock *sk, struct hci_dev *hdev,
5379 bdaddr_t *bdaddr, u8 type)
5380{
5381 struct mgmt_ev_device_removed ev;
5382
5383 bacpy(&ev.addr.bdaddr, bdaddr);
5384 ev.addr.type = type;
5385
5386 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5387}
5388
2faade53
MH		 5389static int remove_device(struct sock *sk, struct hci_dev *hdev,
5390 void *data, u16 len)
5391{
5392 struct mgmt_cp_remove_device *cp = data;
5393 int err;
5394
5395 BT_DBG("%s", hdev->name);
5396
5397 hci_dev_lock(hdev);
5398
5399 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5400 struct hci_conn_params *params;
2faade53
MH		 5401 u8 addr_type;
5402
6659358e 5403 if (!bdaddr_type_is_valid(cp->addr.type)) {
2faade53
MH		 5404 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5405 MGMT_STATUS_INVALID_PARAMS,
5406 &cp->addr, sizeof(cp->addr));
5407 goto unlock;
5408 }
5409
6659358e
JH		 5410 if (cp->addr.type == BDADDR_BREDR) {
5411 err = hci_bdaddr_list_del(&hdev->whitelist,
5412 &cp->addr.bdaddr,
5413 cp->addr.type);
5414 if (err) {
5415 err = cmd_complete(sk, hdev->id,
5416 MGMT_OP_REMOVE_DEVICE,
5417 MGMT_STATUS_INVALID_PARAMS,
5418 &cp->addr, sizeof(cp->addr));
5419 goto unlock;
5420 }
5421
432df05e 5422 hci_update_page_scan(hdev, NULL);
a397407f 5423
6659358e
JH		 5424 device_removed(sk, hdev, &cp->addr.bdaddr,
5425 cp->addr.type);
5426 goto complete;
5427 }
5428
2faade53
MH		 5429 if (cp->addr.type == BDADDR_LE_PUBLIC)
5430 addr_type = ADDR_LE_DEV_PUBLIC;
5431 else
5432 addr_type = ADDR_LE_DEV_RANDOM;
5433
c71593dd
JH		 5434 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5435 addr_type);
5436 if (!params) {
5437 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5438 MGMT_STATUS_INVALID_PARAMS,
5439 &cp->addr, sizeof(cp->addr));
5440 goto unlock;
5441 }
5442
5443 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
5444 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5445 MGMT_STATUS_INVALID_PARAMS,
5446 &cp->addr, sizeof(cp->addr));
5447 goto unlock;
5448 }
5449
d1dbf12e 5450 list_del(&params->action);
c71593dd
JH		 5451 list_del(&params->list);
5452 kfree(params);
95305baa 5453 hci_update_background_scan(hdev);
8afef092
MH		 5454
5455 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5456 } else {
19de0825 5457 struct hci_conn_params *p, *tmp;
6659358e 5458 struct bdaddr_list *b, *btmp;
19de0825 5459
2faade53
MH		 5460 if (cp->addr.type) {
5461 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5462 MGMT_STATUS_INVALID_PARAMS,
5463 &cp->addr, sizeof(cp->addr));
5464 goto unlock;
5465 }
5466
6659358e
JH		 5467 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5468 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5469 list_del(&b->list);
5470 kfree(b);
5471 }
5472
432df05e 5473 hci_update_page_scan(hdev, NULL);
a397407f 5474
19de0825
JH		 5475 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5476 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5477 continue;
5478 device_removed(sk, hdev, &p->addr, p->addr_type);
5479 list_del(&p->action);
5480 list_del(&p->list);
5481 kfree(p);
5482 }
5483
5484 BT_DBG("All LE connection parameters were removed");
5485
5486 hci_update_background_scan(hdev);
2faade53
MH		 5487 }
5488
6659358e 5489complete:
2faade53
MH		 5490 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5491 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5492
5493unlock:
5494 hci_dev_unlock(hdev);
5495 return err;
5496}
5497
a26f3dcf
JH		 5498static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5499 u16 len)
5500{
5501 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5502 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5503 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5504 u16 param_count, expected_len;
5505 int i;
5506
5507 if (!lmp_le_capable(hdev))
5508 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5509 MGMT_STATUS_NOT_SUPPORTED);
5510
5511 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5512 if (param_count > max_param_count) {
5513 BT_ERR("load_conn_param: too big param_count value %u",
5514 param_count);
5515 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5516 MGMT_STATUS_INVALID_PARAMS);
5517 }
a26f3dcf
JH		 5518
5519 expected_len = sizeof(*cp) + param_count *
5520 sizeof(struct mgmt_conn_param);
5521 if (expected_len != len) {
5522 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5523 expected_len, len);
5524 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5525 MGMT_STATUS_INVALID_PARAMS);
5526 }
5527
5528 BT_DBG("%s param_count %u", hdev->name, param_count);
5529
5530 hci_dev_lock(hdev);
5531
5532 hci_conn_params_clear_disabled(hdev);
5533
5534 for (i = 0; i < param_count; i++) {
5535 struct mgmt_conn_param *param = &cp->params[i];
5536 struct hci_conn_params *hci_param;
5537 u16 min, max, latency, timeout;
5538 u8 addr_type;
5539
5540 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5541 param->addr.type);
5542
5543 if (param->addr.type == BDADDR_LE_PUBLIC) {
5544 addr_type = ADDR_LE_DEV_PUBLIC;
5545 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5546 addr_type = ADDR_LE_DEV_RANDOM;
5547 } else {
5548 BT_ERR("Ignoring invalid connection parameters");
5549 continue;
5550 }
5551
5552 min = le16_to_cpu(param->min_interval);
5553 max = le16_to_cpu(param->max_interval);
5554 latency = le16_to_cpu(param->latency);
5555 timeout = le16_to_cpu(param->timeout);
5556
5557 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5558 min, max, latency, timeout);
5559
5560 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5561 BT_ERR("Ignoring invalid connection parameters");
5562 continue;
5563 }
5564
5565 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5566 addr_type);
5567 if (!hci_param) {
5568 BT_ERR("Failed to add connection parameters");
5569 continue;
5570 }
5571
5572 hci_param->conn_min_interval = min;
5573 hci_param->conn_max_interval = max;
5574 hci_param->conn_latency = latency;
5575 hci_param->supervision_timeout = timeout;
5576 }
5577
5578 hci_dev_unlock(hdev);
5579
5580 return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
5581}
5582
dbece37a
MH		 5583static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5584 void *data, u16 len)
5585{
5586 struct mgmt_cp_set_external_config *cp = data;
5587 bool changed;
5588 int err;
5589
5590 BT_DBG("%s", hdev->name);
5591
5592 if (hdev_is_powered(hdev))
5593 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5594 MGMT_STATUS_REJECTED);
5595
5596 if (cp->config != 0x00 && cp->config != 0x01)
5597 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5598 MGMT_STATUS_INVALID_PARAMS);
5599
5600 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5601 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5602 MGMT_STATUS_NOT_SUPPORTED);
5603
5604 hci_dev_lock(hdev);
5605
5606 if (cp->config)
5607 changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
5608 &hdev->dev_flags);
5609 else
5610 changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
5611 &hdev->dev_flags);
5612
5613 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5614 if (err < 0)
5615 goto unlock;
5616
5617 if (!changed)
5618 goto unlock;
5619
f4537c04
MH		 5620 err = new_options(hdev, sk);
5621
dbece37a
MH		 5622 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
5623 mgmt_index_removed(hdev);
d603b76b
MH		 5624
5625 if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
5626 set_bit(HCI_CONFIG, &hdev->dev_flags);
5627 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5628
5629 queue_work(hdev->req_workqueue, &hdev->power_on);
5630 } else {
5ea234d3 5631 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5632 mgmt_index_added(hdev);
5633 }
dbece37a
MH		 5634 }
5635
5636unlock:
5637 hci_dev_unlock(hdev);
5638 return err;
5639}
5640
9713c17b
MH		 5641static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5642 void *data, u16 len)
5643{
5644 struct mgmt_cp_set_public_address *cp = data;
5645 bool changed;
5646 int err;
5647
5648 BT_DBG("%s", hdev->name);
5649
5650 if (hdev_is_powered(hdev))
5651 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5652 MGMT_STATUS_REJECTED);
5653
5654 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5655 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5656 MGMT_STATUS_INVALID_PARAMS);
5657
5658 if (!hdev->set_bdaddr)
5659 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5660 MGMT_STATUS_NOT_SUPPORTED);
5661
5662 hci_dev_lock(hdev);
5663
5664 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5665 bacpy(&hdev->public_addr, &cp->bdaddr);
5666
5667 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5668 if (err < 0)
5669 goto unlock;
5670
5671 if (!changed)
5672 goto unlock;
5673
5674 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5675 err = new_options(hdev, sk);
5676
5677 if (is_configured(hdev)) {
5678 mgmt_index_removed(hdev);
5679
5680 clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
5681
5682 set_bit(HCI_CONFIG, &hdev->dev_flags);
5683 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5684
5685 queue_work(hdev->req_workqueue, &hdev->power_on);
5686 }
5687
5688unlock:
5689 hci_dev_unlock(hdev);
5690 return err;
5691}
5692
2e3c35ea 5693static const struct mgmt_handler {
04124681
GP		 5694 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5695 u16 data_len);
be22b54e
JH		 5696 bool var_len;
5697 size_t data_len;
0f4e68cf
JH		 5698} mgmt_handlers[] = {
5699 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5700 { read_version, false, MGMT_READ_VERSION_SIZE },
5701 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5702 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5703 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5704 { set_powered, false, MGMT_SETTING_SIZE },
5705 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5706 { set_connectable, false, MGMT_SETTING_SIZE },
5707 { set_fast_connectable, false, MGMT_SETTING_SIZE },
b2939475 5708 { set_bondable, false, MGMT_SETTING_SIZE },
be22b54e
JH		 5709 { set_link_security, false, MGMT_SETTING_SIZE },
5710 { set_ssp, false, MGMT_SETTING_SIZE },
5711 { set_hs, false, MGMT_SETTING_SIZE },
5712 { set_le, false, MGMT_SETTING_SIZE },
5713 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5714 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5715 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5716 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5717 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5718 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5719 { disconnect, false, MGMT_DISCONNECT_SIZE },
5720 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5721 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5722 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5723 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5724 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5725 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5726 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5727 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5728 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5729 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5730 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5731 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5732 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5733 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5734 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5735 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5736 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5737 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5738 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5739 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5740 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5741 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5742 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5743 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5744 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5745 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5746 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5747 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5748 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5749 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5750 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5751 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
73d1df2a
MH		 5752 { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
5753 { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
9fc3bfb6 5754 { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
dbece37a 5755 { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
9713c17b 5756 { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
0f4e68cf
JH		 5757};
5758
0381101f
JH		 5759int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5760{
650f726d
VCG		 5761 void *buf;
5762 u8 *cp;
0381101f 5763 struct mgmt_hdr *hdr;
4e51eae9 5764 u16 opcode, index, len;
bdb6d971 5765 struct hci_dev *hdev = NULL;
2e3c35ea 5766 const struct mgmt_handler *handler;
0381101f
JH		 5767 int err;
5768
5769 BT_DBG("got %zu bytes", msglen);
5770
5771 if (msglen < sizeof(*hdr))
5772 return -EINVAL;
5773
e63a15ec 5774 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5775 if (!buf)
5776 return -ENOMEM;
5777
5778 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5779 err = -EFAULT;
5780 goto done;
5781 }
5782
650f726d 5783 hdr = buf;
1f350c87
MH		 5784 opcode = __le16_to_cpu(hdr->opcode);
5785 index = __le16_to_cpu(hdr->index);
5786 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5787
5788 if (len != msglen - sizeof(*hdr)) {
5789 err = -EINVAL;
5790 goto done;
5791 }
5792
0f4e68cf 5793 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5794 hdev = hci_dev_get(index);
5795 if (!hdev) {
5796 err = cmd_status(sk, index, opcode,
04124681 5797 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5798 goto done;
5799 }
0736cfa8 5800
cebf4cfd 5801 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
d603b76b 5802 test_bit(HCI_CONFIG, &hdev->dev_flags) ||
4a964404 5803 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
0736cfa8
MH		 5804 err = cmd_status(sk, index, opcode,
5805 MGMT_STATUS_INVALID_INDEX);
5806 goto done;
5807 }
42a9bc14
MH		 5808
5809 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
dbece37a 5810 opcode != MGMT_OP_READ_CONFIG_INFO &&
9713c17b
MH		 5811 opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
5812 opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
42a9bc14
MH		 5813 err = cmd_status(sk, index, opcode,
5814 MGMT_STATUS_INVALID_INDEX);
5815 goto done;
5816 }
bdb6d971
JH		 5817 }
5818
0f4e68cf 5819 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5820 mgmt_handlers[opcode].func == NULL) {
0381101f 5821 BT_DBG("Unknown op %u", opcode);
ca69b795 5822 err = cmd_status(sk, index, opcode,
04124681 5823 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5824 goto done;
5825 }
5826
73d1df2a
MH		 5827 if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
5828 opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
5829 err = cmd_status(sk, index, opcode,
5830 MGMT_STATUS_INVALID_INDEX);
5831 goto done;
5832 }
5833
5834 if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
5835 opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
0f4e68cf 5836 err = cmd_status(sk, index, opcode,
04124681 5837 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5838 goto done;
0381101f
JH		 5839 }
5840
be22b54e
JH		 5841 handler = &mgmt_handlers[opcode];
5842
5843 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5844 (!handler->var_len && len != handler->data_len)) {
be22b54e 5845 err = cmd_status(sk, index, opcode,
04124681 5846 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5847 goto done;
5848 }
5849
0f4e68cf
JH		 5850 if (hdev)
5851 mgmt_init_hdev(sk, hdev);
5852
5853 cp = buf + sizeof(*hdr);
5854
be22b54e 5855 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5856 if (err < 0)
5857 goto done;
5858
0381101f
JH		 5859 err = msglen;
5860
5861done:
bdb6d971
JH		 5862 if (hdev)
5863 hci_dev_put(hdev);
5864
0381101f
JH		 5865 kfree(buf);
5866 return err;
5867}
c71e97bf 5868
bf6b56db 5869void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5870{
1514b892 5871 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5872 return;
bb4b2a9a 5873
0602a8ad
MH		 5874 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5875 return;
5876
5877 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5878 mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
5879 else
5880 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5881}
5882
bf6b56db 5883void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5884{
5f159032 5885 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 5886
1514b892 5887 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5888 return;
bb4b2a9a 5889
0602a8ad
MH		 5890 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5891 return;
5892
744cf19e 5893 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5894
edd3896b
MH		 5895 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5896 mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
5897 else
5898 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5899}
5900
6046dc3e 5901/* This function requires the caller holds hdev->lock */
d7347f3c 5902static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 5903{
5904 struct hci_conn_params *p;
5905
5906 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 5907 /* Needed for AUTO_OFF case where might not "really"
5908 * have been powered off.
5909 */
5910 list_del_init(&p->action);
5911
5912 switch (p->auto_connect) {
4b9e7e75 5913 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 5914 case HCI_AUTO_CONN_ALWAYS:
5915 list_add(&p->action, &hdev->pend_le_conns);
5916 break;
5917 case HCI_AUTO_CONN_REPORT:
5918 list_add(&p->action, &hdev->pend_le_reports);
5919 break;
5920 default:
5921 break;
c83ed19d 5922 }
6046dc3e 5923 }
c83ed19d 5924
c83ed19d 5925 hci_update_background_scan(hdev);
6046dc3e
AG		 5926}
5927
229ab39c
JH		 5928static void powered_complete(struct hci_dev *hdev, u8 status)
5929{
5930 struct cmd_lookup match = { NULL, hdev };
5931
5932 BT_DBG("status 0x%02x", status);
5933
5934 hci_dev_lock(hdev);
5935
d7347f3c 5936 restart_le_actions(hdev);
6046dc3e 5937
229ab39c
JH		 5938 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5939
5940 new_settings(hdev, match.sk);
5941
5942 hci_dev_unlock(hdev);
5943
5944 if (match.sk)
5945 sock_put(match.sk);
5946}
5947
70da6243 5948static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5949{
890ea898 5950 struct hci_request req;
70da6243 5951 u8 link_sec;
5add6af8 5952
890ea898
JH		 5953 hci_req_init(&req, hdev);
5954
70da6243
JH		 5955 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5956 !lmp_host_ssp_capable(hdev)) {
5957 u8 ssp = 1;
5e5282bb 5958
890ea898 5959 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5960 }
5add6af8 5961
c73eee91
JH		 5962 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5963 lmp_bredr_capable(hdev)) {
70da6243 5964 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5965
32226e4f
MH		 5966 cp.le = 0x01;
5967 cp.simul = 0x00;
3d1cbdd6 5968
70da6243
JH		 5969 /* Check first if we already have the right
5970 * host state (host features set)
5971 */
5972 if (cp.le != lmp_host_le_capable(hdev) ||
5973 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5974 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5975 sizeof(cp), &cp);
70da6243 5976 }
3d1cbdd6 5977
d13eafce 5978 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5979 /* Make sure the controller has a good default for
5980 * advertising data. This also applies to the case
5981 * where BR/EDR was toggled during the AUTO_OFF phase.
5982 */
f14d8f64 5983 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5984 update_adv_data(&req);
f14d8f64
MH		 5985 update_scan_rsp_data(&req);
5986 }
441ad2d0 5987
bba3aa55
MH		 5988 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5989 enable_advertising(&req);
eeca6f89
JH		 5990 }
5991
70da6243
JH		 5992 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5993 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5994 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5995 sizeof(link_sec), &link_sec);
562fcc24 5996
70da6243 5997 if (lmp_bredr_capable(hdev)) {
432df05e
JH		 5998 write_fast_connectable(&req, false);
5999 hci_update_page_scan(hdev, &req);
890ea898 6000 update_class(&req);
13928971 6001 update_name(&req);
890ea898 6002 update_eir(&req);
70da6243 6003 }
562fcc24 6004
229ab39c 6005 return hci_req_run(&req, powered_complete);
70da6243 6006}
562fcc24 6007
70da6243
JH		 6008int mgmt_powered(struct hci_dev *hdev, u8 powered)
6009{
6010 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 6011 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
6012 u8 zero_cod[] = { 0, 0, 0 };
70da6243 6013 int err;
f0ff92fb 6014
70da6243
JH		 6015 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
6016 return 0;
6017
70da6243 6018 if (powered) {
229ab39c
JH		 6019 if (powered_update_hci(hdev) == 0)
6020 return 0;
fe038884 6021
229ab39c
JH		 6022 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
6023 &match);
6024 goto new_settings;
b24752fe
JH		 6025 }
6026
229ab39c
JH		 6027 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6028 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
6029
6030 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
6031 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6032 zero_cod, sizeof(zero_cod), NULL);
6033
6034new_settings:
beadb2bd 6035 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 6036
6037 if (match.sk)
6038 sock_put(match.sk);
6039
7bb895d6 6040 return err;
5add6af8 6041}
73f22f62 6042
3eec705e 6043void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 6044{
6045 struct pending_cmd *cmd;
6046 u8 status;
6047
6048 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6049 if (!cmd)
3eec705e 6050 return;
96570ffc
JH		 6051
6052 if (err == -ERFKILL)
6053 status = MGMT_STATUS_RFKILLED;
6054 else
6055 status = MGMT_STATUS_FAILED;
6056
3eec705e 6057 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 6058
6059 mgmt_pending_remove(cmd);
96570ffc
JH		 6060}
6061
d1967ff8
MH		 6062void mgmt_discoverable_timeout(struct hci_dev *hdev)
6063{
6064 struct hci_request req;
d1967ff8
MH		 6065
6066 hci_dev_lock(hdev);
6067
6068 /* When discoverable timeout triggers, then just make sure
6069 * the limited discoverable flag is cleared. Even in the case
6070 * of a timeout triggered from general discoverable, it is
6071 * safe to unconditionally clear the flag.
6072 */
6073 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 6074 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 6075
6076 hci_req_init(&req, hdev);
4b580614
JH		 6077 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
6078 u8 scan = SCAN_PAGE;
6079 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
6080 sizeof(scan), &scan);
6081 }
d1967ff8 6082 update_class(&req);
9a43e25f 6083 update_adv_data(&req);
d1967ff8
MH		 6084 hci_req_run(&req, NULL);
6085
6086 hdev->discov_timeout = 0;
6087
9a43e25f
JH		 6088 new_settings(hdev, NULL);
6089
d1967ff8
MH		 6090 hci_dev_unlock(hdev);
6091}
6092
dc4a5ee2
MH		 6093void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6094 bool persistent)
55ed8ca1 6095{
86742e1e 6096 struct mgmt_ev_new_link_key ev;
55ed8ca1 6097
a492cd52 6098 memset(&ev, 0, sizeof(ev));
55ed8ca1 6099
a492cd52 6100 ev.store_hint = persistent;
d753fdc4 6101 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6102 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6103 ev.key.type = key->type;
9b3b4460 6104 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6105 ev.key.pin_len = key->pin_len;
55ed8ca1 6106
dc4a5ee2 6107 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6108}
f7520543 6109
d7b25450
JH		 6110static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6111{
23fb8de3
JH		 6112 switch (ltk->type) {
6113 case SMP_LTK:
6114 case SMP_LTK_SLAVE:
6115 if (ltk->authenticated)
6116 return MGMT_LTK_AUTHENTICATED;
6117 return MGMT_LTK_UNAUTHENTICATED;
6118 case SMP_LTK_P256:
6119 if (ltk->authenticated)
6120 return MGMT_LTK_P256_AUTH;
6121 return MGMT_LTK_P256_UNAUTH;
6122 case SMP_LTK_P256_DEBUG:
6123 return MGMT_LTK_P256_DEBUG;
6124 }
d7b25450
JH		 6125
6126 return MGMT_LTK_UNAUTHENTICATED;
6127}
6128
53ac6ab6 6129void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6130{
6131 struct mgmt_ev_new_long_term_key ev;
6132
6133 memset(&ev, 0, sizeof(ev));
6134
5192d301
MH		 6135 /* Devices using resolvable or non-resolvable random addresses
6136 * without providing an indentity resolving key don't require
6137 * to store long term keys. Their addresses will change the
6138 * next time around.
6139 *
6140 * Only when a remote device provides an identity address
6141 * make sure the long term key is stored. If the remote
6142 * identity is known, the long term keys are internally
6143 * mapped to the identity address. So allow static random
6144 * and public addresses here.
6145 */
ba74b666
JH		 6146 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6147 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6148 ev.store_hint = 0x00;
6149 else
53ac6ab6 6150 ev.store_hint = persistent;
ba74b666 6151
346af67b 6152 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6153 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6154 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6155 ev.key.enc_size = key->enc_size;
6156 ev.key.ediv = key->ediv;
fe39c7b2 6157 ev.key.rand = key->rand;
346af67b 6158
2ceba539 6159 if (key->type == SMP_LTK)
346af67b
VCG		 6160 ev.key.master = 1;
6161
346af67b
VCG		 6162 memcpy(ev.key.val, key->val, sizeof(key->val));
6163
083368f7 6164 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6165}
6166
95fbac8a
JH		 6167void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
6168{
6169 struct mgmt_ev_new_irk ev;
6170
6171 memset(&ev, 0, sizeof(ev));
6172
bab6d1e5
MH		 6173 /* For identity resolving keys from devices that are already
6174 * using a public address or static random address, do not
6175 * ask for storing this key. The identity resolving key really
6176 * is only mandatory for devices using resovlable random
6177 * addresses.
6178 *
6179 * Storing all identity resolving keys has the downside that
6180 * they will be also loaded on next boot of they system. More
6181 * identity resolving keys, means more time during scanning is
6182 * needed to actually resolve these addresses.
6183 */
6184 if (bacmp(&irk->rpa, BDADDR_ANY))
6185 ev.store_hint = 0x01;
6186 else
6187 ev.store_hint = 0x00;
6188
95fbac8a
JH		 6189 bacpy(&ev.rpa, &irk->rpa);
6190 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6191 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6192 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6193
6194 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6195}
6196
53ac6ab6
MH		 6197void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6198 bool persistent)
7ee4ea36
MH		 6199{
6200 struct mgmt_ev_new_csrk ev;
6201
6202 memset(&ev, 0, sizeof(ev));
6203
6204 /* Devices using resolvable or non-resolvable random addresses
6205 * without providing an indentity resolving key don't require
6206 * to store signature resolving keys. Their addresses will change
6207 * the next time around.
6208 *
6209 * Only when a remote device provides an identity address
6210 * make sure the signature resolving key is stored. So allow
6211 * static random and public addresses here.
6212 */
6213 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6214 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6215 ev.store_hint = 0x00;
6216 else
53ac6ab6 6217 ev.store_hint = persistent;
7ee4ea36
MH		 6218
6219 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6220 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6221 ev.key.master = csrk->master;
6222 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6223
6224 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6225}
6226
ffb5a827 6227void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6228 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6229 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6230{
6231 struct mgmt_ev_new_conn_param ev;
6232
c103aea6
JH		 6233 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6234 return;
6235
ffb5a827
AG		 6236 memset(&ev, 0, sizeof(ev));
6237 bacpy(&ev.addr.bdaddr, bdaddr);
6238 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6239 ev.store_hint = store_hint;
ffb5a827
AG		 6240 ev.min_interval = cpu_to_le16(min_interval);
6241 ev.max_interval = cpu_to_le16(max_interval);
6242 ev.latency = cpu_to_le16(latency);
6243 ev.timeout = cpu_to_le16(timeout);
6244
6245 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6246}
6247
94933991
MH		 6248static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6249 u8 data_len)
6250{
6251 eir[eir_len++] = sizeof(type) + data_len;
6252 eir[eir_len++] = type;
6253 memcpy(&eir[eir_len], data, data_len);
6254 eir_len += data_len;
6255
6256 return eir_len;
6257}
6258
48ec92fa
AA		 6259void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
6260 u32 flags, u8 *name, u8 name_len)
f7520543 6261{
b644ba33
JH		 6262 char buf[512];
6263 struct mgmt_ev_device_connected *ev = (void *) buf;
6264 u16 eir_len = 0;
f7520543 6265
48ec92fa
AA		 6266 bacpy(&ev->addr.bdaddr, &conn->dst);
6267 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 6268
c95f0ba7 6269 ev->flags = __cpu_to_le32(flags);
08c79b61 6270
fd45ada9
AA		 6271 /* We must ensure that the EIR Data fields are ordered and
6272 * unique. Keep it simple for now and avoid the problem by not
6273 * adding any BR/EDR data to the LE adv.
6274 */
6275 if (conn->le_adv_data_len > 0) {
6276 memcpy(&ev->eir[eir_len],
6277 conn->le_adv_data, conn->le_adv_data_len);
6278 eir_len = conn->le_adv_data_len;
6279 } else {
6280 if (name_len > 0)
6281 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
6282 name, name_len);
b644ba33 6283
ddbea5cf 6284 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 6285 eir_len = eir_append_data(ev->eir, eir_len,
6286 EIR_CLASS_OF_DEV,
6287 conn->dev_class, 3);
6288 }
b644ba33 6289
eb55ef07 6290 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6291
ecd90ae7
MH		 6292 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6293 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6294}
6295
8962ee74
JH		 6296static void disconnect_rsp(struct pending_cmd *cmd, void *data)
6297{
c68fb7ff 6298 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 6299 struct sock **sk = data;
a38528f1 6300 struct mgmt_rp_disconnect rp;
8962ee74 6301
88c3df13
JH		 6302 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6303 rp.addr.type = cp->addr.type;
8962ee74 6304
aee9b218 6305 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 6306 sizeof(rp));
8962ee74
JH		 6307
6308 *sk = cmd->sk;
6309 sock_hold(*sk);
6310
a664b5bc 6311 mgmt_pending_remove(cmd);
8962ee74
JH		 6312}
6313
124f6e35 6314static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 6315{
b1078ad0 6316 struct hci_dev *hdev = data;
124f6e35
JH		 6317 struct mgmt_cp_unpair_device *cp = cmd->param;
6318 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 6319
6320 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 6321 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6322 rp.addr.type = cp->addr.type;
a8a1d19e 6323
b1078ad0
JH		 6324 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6325
aee9b218 6326 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 6327
6328 mgmt_pending_remove(cmd);
6329}
6330
84c61d92
JH		 6331bool mgmt_powering_down(struct hci_dev *hdev)
6332{
6333 struct pending_cmd *cmd;
6334 struct mgmt_mode *cp;
6335
6336 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6337 if (!cmd)
6338 return false;
6339
6340 cp = cmd->param;
6341 if (!cp->val)
6342 return true;
6343
6344 return false;
6345}
6346
9b80ec5e 6347void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6348 u8 link_type, u8 addr_type, u8 reason,
6349 bool mgmt_connected)
f7520543 6350{
f0d6a0ea 6351 struct mgmt_ev_device_disconnected ev;
8962ee74 6352 struct sock *sk = NULL;
8962ee74 6353
84c61d92
JH		 6354 /* The connection is still in hci_conn_hash so test for 1
6355 * instead of 0 to know if this is the last one.
6356 */
6357 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6358 cancel_delayed_work(&hdev->power_off);
6359 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6360 }
6361
12d4a3b2
JH		 6362 if (!mgmt_connected)
6363 return;
6364
57eb776f
AG		 6365 if (link_type != ACL_LINK && link_type != LE_LINK)
6366 return;
6367
744cf19e 6368 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6369
f0d6a0ea
MA		 6370 bacpy(&ev.addr.bdaddr, bdaddr);
6371 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6372 ev.reason = reason;
f7520543 6373
9b80ec5e 6374 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6375
6376 if (sk)
d97dcb66 6377 sock_put(sk);
8962ee74 6378
124f6e35 6379 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6380 hdev);
8962ee74
JH		 6381}
6382
7892924c
MH		 6383void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6384 u8 link_type, u8 addr_type, u8 status)
8962ee74 6385{
3655bba8
AG		 6386 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6387 struct mgmt_cp_disconnect *cp;
88c3df13 6388 struct mgmt_rp_disconnect rp;
8962ee74 6389 struct pending_cmd *cmd;
8962ee74 6390
36a75f1b
JD		 6391 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6392 hdev);
6393
2e58ef3e 6394 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6395 if (!cmd)
7892924c 6396 return;
8962ee74 6397
3655bba8
AG		 6398 cp = cmd->param;
6399
6400 if (bacmp(bdaddr, &cp->addr.bdaddr))
6401 return;
6402
6403 if (cp->addr.type != bdaddr_type)
6404 return;
6405
88c3df13 6406 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 6407 rp.addr.type = bdaddr_type;
37d9ef76 6408
7892924c
MH		 6409 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
6410 mgmt_status(status), &rp, sizeof(rp));
8962ee74 6411
a664b5bc 6412 mgmt_pending_remove(cmd);
f7520543 6413}
17d5c04c 6414
445608d0
MH		 6415void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6416 u8 addr_type, u8 status)
17d5c04c
JH		 6417{
6418 struct mgmt_ev_connect_failed ev;
c9910d0f 6419
84c61d92
JH		 6420 /* The connection is still in hci_conn_hash so test for 1
6421 * instead of 0 to know if this is the last one.
6422 */
6423 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6424 cancel_delayed_work(&hdev->power_off);
6425 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6426 }
17d5c04c 6427
4c659c39 6428 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6429 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6430 ev.status = mgmt_status(status);
17d5c04c 6431
445608d0 6432 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6433}
980e1a53 6434
ce0e4a0d 6435void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6436{
6437 struct mgmt_ev_pin_code_request ev;
6438
d8457698 6439 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6440 ev.addr.type = BDADDR_BREDR;
a770bb5a 6441 ev.secure = secure;
980e1a53 6442
ce0e4a0d 6443 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6444}
6445
e669cf80
MH		 6446void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6447 u8 status)
980e1a53
JH		 6448{
6449 struct pending_cmd *cmd;
ac56fb13 6450 struct mgmt_rp_pin_code_reply rp;
980e1a53 6451
2e58ef3e 6452 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6453 if (!cmd)
e669cf80 6454 return;
980e1a53 6455
d8457698 6456 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6457 rp.addr.type = BDADDR_BREDR;
ac56fb13 6458
e669cf80
MH		 6459 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
6460 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6461
a664b5bc 6462 mgmt_pending_remove(cmd);
980e1a53
JH		 6463}
6464
3eb38528
MH		 6465void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6466 u8 status)
980e1a53
JH		 6467{
6468 struct pending_cmd *cmd;
ac56fb13 6469 struct mgmt_rp_pin_code_reply rp;
980e1a53 6470
2e58ef3e 6471 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6472 if (!cmd)
3eb38528 6473 return;
980e1a53 6474
d8457698 6475 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6476 rp.addr.type = BDADDR_BREDR;
ac56fb13 6477
3eb38528
MH		 6478 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
6479 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6480
a664b5bc 6481 mgmt_pending_remove(cmd);
980e1a53 6482}
a5c29683 6483
744cf19e 6484int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6485 u8 link_type, u8 addr_type, u32 value,
04124681 6486 u8 confirm_hint)
a5c29683
JH		 6487{
6488 struct mgmt_ev_user_confirm_request ev;
6489
744cf19e 6490 BT_DBG("%s", hdev->name);
a5c29683 6491
272d90df 6492 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6493 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6494 ev.confirm_hint = confirm_hint;
39adbffe 6495 ev.value = cpu_to_le32(value);
a5c29683 6496
744cf19e 6497 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6498 NULL);
a5c29683
JH		 6499}
6500
272d90df 6501int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6502 u8 link_type, u8 addr_type)
604086b7
BG		 6503{
6504 struct mgmt_ev_user_passkey_request ev;
6505
6506 BT_DBG("%s", hdev->name);
6507
272d90df 6508 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6509 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6510
6511 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6512 NULL);
604086b7
BG		 6513}
6514
0df4c185 6515static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6516 u8 link_type, u8 addr_type, u8 status,
6517 u8 opcode)
a5c29683
JH		 6518{
6519 struct pending_cmd *cmd;
6520 struct mgmt_rp_user_confirm_reply rp;
6521 int err;
6522
2e58ef3e 6523 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH		 6524 if (!cmd)
6525 return -ENOENT;
6526
272d90df 6527 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 6528 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 6529 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 6530 &rp, sizeof(rp));
a5c29683 6531
a664b5bc 6532 mgmt_pending_remove(cmd);
a5c29683
JH		 6533
6534 return err;
6535}
6536
744cf19e 6537int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6538 u8 link_type, u8 addr_type, u8 status)
a5c29683 6539{
272d90df 6540 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6541 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6542}
6543
272d90df 6544int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6545 u8 link_type, u8 addr_type, u8 status)
a5c29683 6546{
272d90df 6547 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6548 status,
6549 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6550}
2a611692 6551
604086b7 6552int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6553 u8 link_type, u8 addr_type, u8 status)
604086b7 6554{
272d90df 6555 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6556 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6557}
6558
272d90df 6559int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6560 u8 link_type, u8 addr_type, u8 status)
604086b7 6561{
272d90df 6562 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6563 status,
6564 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6565}
6566
92a25256
JH		 6567int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6568 u8 link_type, u8 addr_type, u32 passkey,
6569 u8 entered)
6570{
6571 struct mgmt_ev_passkey_notify ev;
6572
6573 BT_DBG("%s", hdev->name);
6574
6575 bacpy(&ev.addr.bdaddr, bdaddr);
6576 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6577 ev.passkey = __cpu_to_le32(passkey);
6578 ev.entered = entered;
6579
6580 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6581}
6582
e1e930f5 6583void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 6584{
6585 struct mgmt_ev_auth_failed ev;
e1e930f5
JH		 6586 struct pending_cmd *cmd;
6587 u8 status = mgmt_status(hci_status);
2a611692 6588
e1e930f5
JH		 6589 bacpy(&ev.addr.bdaddr, &conn->dst);
6590 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6591 ev.status = status;
2a611692 6592
e1e930f5
JH		 6593 cmd = find_pairing(conn);
6594
6595 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
6596 cmd ? cmd->sk : NULL);
6597
6598 if (cmd)
6599 pairing_complete(cmd, status);
2a611692 6600}
b312b161 6601
464996ae 6602void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6603{
6604 struct cmd_lookup match = { NULL, hdev };
464996ae 6605 bool changed;
33ef95ed
JH		 6606
6607 if (status) {
6608 u8 mgmt_err = mgmt_status(status);
6609 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6610 cmd_status_rsp, &mgmt_err);
464996ae 6611 return;
33ef95ed
JH		 6612 }
6613
464996ae
MH		 6614 if (test_bit(HCI_AUTH, &hdev->flags))
6615 changed = !test_and_set_bit(HCI_LINK_SECURITY,
6616 &hdev->dev_flags);
6617 else
6618 changed = test_and_clear_bit(HCI_LINK_SECURITY,
6619 &hdev->dev_flags);
47990ea0 6620
33ef95ed 6621 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6622 &match);
33ef95ed 6623
47990ea0 6624 if (changed)
464996ae 6625 new_settings(hdev, match.sk);
33ef95ed
JH		 6626
6627 if (match.sk)
6628 sock_put(match.sk);
33ef95ed
JH		 6629}
6630
890ea898 6631static void clear_eir(struct hci_request *req)
cacaf52f 6632{
890ea898 6633 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6634 struct hci_cp_write_eir cp;
6635
976eb20e 6636 if (!lmp_ext_inq_capable(hdev))
890ea898 6637 return;
cacaf52f 6638
c80da27e
JH		 6639 memset(hdev->eir, 0, sizeof(hdev->eir));
6640
cacaf52f
JH		 6641 memset(&cp, 0, sizeof(cp));
6642
890ea898 6643 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 6644}
6645
3e248560 6646void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 6647{
6648 struct cmd_lookup match = { NULL, hdev };
890ea898 6649 struct hci_request req;
c0ecddc2 6650 bool changed = false;
ed2c4ee3
JH		 6651
6652 if (status) {
6653 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH		 6654
6655 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
9ecb3e24
MH		 6656 &hdev->dev_flags)) {
6657 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
3e248560 6658 new_settings(hdev, NULL);
9ecb3e24 6659 }
c0ecddc2 6660
04124681
GP		 6661 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
6662 &mgmt_err);
3e248560 6663 return;
c0ecddc2
JH		 6664 }
6665
6666 if (enable) {
9ecb3e24 6667 changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
c0ecddc2 6668 } else {
9ecb3e24
MH		 6669 changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
6670 if (!changed)
6671 changed = test_and_clear_bit(HCI_HS_ENABLED,
6672 &hdev->dev_flags);
6673 else
6674 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
ed2c4ee3
JH		 6675 }
6676
6677 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
6678
c0ecddc2 6679 if (changed)
3e248560 6680 new_settings(hdev, match.sk);
ed2c4ee3 6681
5fc6ebb1 6682 if (match.sk)
ed2c4ee3
JH		 6683 sock_put(match.sk);
6684
890ea898
JH		 6685 hci_req_init(&req, hdev);
6686
3769972b
JH		 6687 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
6688 if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
6689 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
6690 sizeof(enable), &enable);
890ea898 6691 update_eir(&req);
3769972b 6692 } else {
890ea898 6693 clear_eir(&req);
3769972b 6694 }
890ea898
JH		 6695
6696 hci_req_run(&req, NULL);
ed2c4ee3
JH		 6697}
6698
eac83dc6
MH		 6699void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
6700{
6701 struct cmd_lookup match = { NULL, hdev };
6702 bool changed = false;
6703
6704 if (status) {
6705 u8 mgmt_err = mgmt_status(status);
6706
0ab04a9c
MH		 6707 if (enable) {
6708 if (test_and_clear_bit(HCI_SC_ENABLED,
6709 &hdev->dev_flags))
6710 new_settings(hdev, NULL);
6711 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6712 }
eac83dc6
MH		 6713
6714 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6715 cmd_status_rsp, &mgmt_err);
6716 return;
6717 }
6718
0ab04a9c 6719 if (enable) {
eac83dc6 6720 changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c 6721 } else {
eac83dc6 6722 changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c
MH		 6723 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6724 }
eac83dc6
MH		 6725
6726 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6727 settings_rsp, &match);
6728
6729 if (changed)
6730 new_settings(hdev, match.sk);
6731
6732 if (match.sk)
6733 sock_put(match.sk);
6734}
6735
92da6097 6736static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH		 6737{
6738 struct cmd_lookup *match = data;
6739
90e70454
JH		 6740 if (match->sk == NULL) {
6741 match->sk = cmd->sk;
6742 sock_hold(match->sk);
6743 }
90e70454
JH		 6744}
6745
4e1b0245
MH		 6746void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
6747 u8 status)
7f9a903c 6748{
90e70454 6749 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 6750
92da6097
JH		 6751 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
6752 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
6753 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 6754
6755 if (!status)
4e1b0245
MH		 6756 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
6757 NULL);
90e70454
JH		 6758
6759 if (match.sk)
6760 sock_put(match.sk);
7f9a903c
MH		 6761}
6762
7667da34 6763void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 6764{
b312b161 6765 struct mgmt_cp_set_local_name ev;
13928971 6766 struct pending_cmd *cmd;
28cc7bde 6767
13928971 6768 if (status)
7667da34 6769 return;
b312b161
JH		 6770
6771 memset(&ev, 0, sizeof(ev));
6772 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 6773 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 6774
2e58ef3e 6775 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 6776 if (!cmd) {
6777 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 6778
13928971
JH		 6779 /* If this is a HCI command related to powering on the
6780 * HCI dev don't send any mgmt signals.
6781 */
6782 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 6783 return;
890ea898 6784 }
b312b161 6785
7667da34
MH		 6786 mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
6787 cmd ? cmd->sk : NULL);
b312b161 6788}
c35938b2 6789
4d2d2796 6790void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
38da1703
JH		 6791 u8 *rand192, u8 *hash256, u8 *rand256,
6792 u8 status)
c35938b2
SJ		 6793{
6794 struct pending_cmd *cmd;
c35938b2 6795
744cf19e 6796 BT_DBG("%s status %u", hdev->name, status);
c35938b2 6797
2e58ef3e 6798 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2 6799 if (!cmd)
3edaf092 6800 return;
c35938b2
SJ		 6801
6802 if (status) {
3edaf092
MH		 6803 cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
6804 mgmt_status(status));
c35938b2 6805 } else {
710f11c0 6806 if (bredr_sc_enabled(hdev) && hash256 && rand256) {
4d2d2796
MH		 6807 struct mgmt_rp_read_local_oob_ext_data rp;
6808
6809 memcpy(rp.hash192, hash192, sizeof(rp.hash192));
38da1703 6810 memcpy(rp.rand192, rand192, sizeof(rp.rand192));
c35938b2 6811
4d2d2796 6812 memcpy(rp.hash256, hash256, sizeof(rp.hash256));
38da1703 6813 memcpy(rp.rand256, rand256, sizeof(rp.rand256));
c35938b2 6814
4d2d2796
MH		 6815 cmd_complete(cmd->sk, hdev->id,
6816 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6817 &rp, sizeof(rp));
6818 } else {
6819 struct mgmt_rp_read_local_oob_data rp;
6820
6821 memcpy(rp.hash, hash192, sizeof(rp.hash));
38da1703 6822 memcpy(rp.rand, rand192, sizeof(rp.rand));
4d2d2796
MH		 6823
6824 cmd_complete(cmd->sk, hdev->id,
6825 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6826 &rp, sizeof(rp));
6827 }
c35938b2
SJ		 6828 }
6829
6830 mgmt_pending_remove(cmd);
c35938b2 6831}
e17acd40 6832
901801b9 6833void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
af58925c
MH		 6834 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
6835 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 6836{
e319d2e7
JH		 6837 char buf[512];
6838 struct mgmt_ev_device_found *ev = (void *) buf;
1dc06093 6839 size_t ev_size;
e17acd40 6840
75ce208c
JH		 6841 /* Don't send events for a non-kernel initiated discovery. With
6842 * LE one exception is if we have pend_le_reports > 0 in which
6843 * case we're doing passive scanning and want these events.
6844 */
6845 if (!hci_discovery_active(hdev)) {
6846 if (link_type == ACL_LINK)
6847 return;
66f8455a 6848 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
75ce208c
JH		 6849 return;
6850 }
12602d0c 6851
5d2e9fad
JH		 6852 /* Make sure that the buffer is big enough. The 5 extra bytes
6853 * are for the potential CoD field.
6854 */
6855 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
901801b9 6856 return;
7d262f86 6857
1dc06093
JH		 6858 memset(buf, 0, sizeof(buf));
6859
841c5644
JH		 6860 bacpy(&ev->addr.bdaddr, bdaddr);
6861 ev->addr.type = link_to_bdaddr(link_type, addr_type);
e319d2e7 6862 ev->rssi = rssi;
af58925c 6863 ev->flags = cpu_to_le32(flags);
e17acd40 6864
1dc06093 6865 if (eir_len > 0)
e319d2e7 6866 memcpy(ev->eir, eir, eir_len);
e17acd40 6867
1dc06093
JH		 6868 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
6869 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 6870 dev_class, 3);
1dc06093 6871
5d2e9fad
JH		 6872 if (scan_rsp_len > 0)
6873 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
6874
6875 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
6876 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 6877
901801b9 6878 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 6879}
a88a9652 6880
9cf12aee
MH		 6881void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6882 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 6883{
b644ba33
JH		 6884 struct mgmt_ev_device_found *ev;
6885 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
6886 u16 eir_len;
a88a9652 6887
b644ba33 6888 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 6889
b644ba33
JH		 6890 memset(buf, 0, sizeof(buf));
6891
6892 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6893 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 6894 ev->rssi = rssi;
6895
6896 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 6897 name_len);
b644ba33 6898
eb55ef07 6899 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 6900
9cf12aee 6901 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 6902}
314b2381 6903
2f1e063b 6904void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 6905{
f963e8e9 6906 struct mgmt_ev_discovering ev;
164a6e78
JH		 6907 struct pending_cmd *cmd;
6908
343fb145
AG		 6909 BT_DBG("%s discovering %u", hdev->name, discovering);
6910
164a6e78 6911 if (discovering)
2e58ef3e 6912 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78 6913 else
2e58ef3e 6914 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
164a6e78
JH		 6915
6916 if (cmd != NULL) {
f808e166
JH		 6917 u8 type = hdev->discovery.type;
6918
04124681
GP		 6919 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
6920 sizeof(type));
164a6e78
JH		 6921 mgmt_pending_remove(cmd);
6922 }
6923
f963e8e9
JH		 6924 memset(&ev, 0, sizeof(ev));
6925 ev.type = hdev->discovery.type;
6926 ev.discovering = discovering;
6927
2f1e063b 6928 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 6929}
5e762444 6930
5976e608
MH		 6931static void adv_enable_complete(struct hci_dev *hdev, u8 status)
6932{
6933 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 6934}
6935
6936void mgmt_reenable_advertising(struct hci_dev *hdev)
6937{
6938 struct hci_request req;
6939
5976e608
MH		 6940 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
6941 return;
6942
6943 hci_req_init(&req, hdev);
6944 enable_advertising(&req);
0ec5ae84 6945 hci_req_run(&req, adv_enable_complete);
5976e608 6946}
Linux kernel - Deliverables
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