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Bluetooth: Use {start,stop}_discovery_complete handler for cmd_complete
[mirror_ubuntu-zesty-kernel.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
854bda19 38#define MGMT_REVISION 8
02d98129 39
e70bb2e8
JH		 40static const u16 mgmt_commands[] = {
41 MGMT_OP_READ_INDEX_LIST,
42 MGMT_OP_READ_INFO,
43 MGMT_OP_SET_POWERED,
44 MGMT_OP_SET_DISCOVERABLE,
45 MGMT_OP_SET_CONNECTABLE,
46 MGMT_OP_SET_FAST_CONNECTABLE,
b2939475 47 MGMT_OP_SET_BONDABLE,
e70bb2e8
JH		 48 MGMT_OP_SET_LINK_SECURITY,
49 MGMT_OP_SET_SSP,
50 MGMT_OP_SET_HS,
51 MGMT_OP_SET_LE,
52 MGMT_OP_SET_DEV_CLASS,
53 MGMT_OP_SET_LOCAL_NAME,
54 MGMT_OP_ADD_UUID,
55 MGMT_OP_REMOVE_UUID,
56 MGMT_OP_LOAD_LINK_KEYS,
57 MGMT_OP_LOAD_LONG_TERM_KEYS,
58 MGMT_OP_DISCONNECT,
59 MGMT_OP_GET_CONNECTIONS,
60 MGMT_OP_PIN_CODE_REPLY,
61 MGMT_OP_PIN_CODE_NEG_REPLY,
62 MGMT_OP_SET_IO_CAPABILITY,
63 MGMT_OP_PAIR_DEVICE,
64 MGMT_OP_CANCEL_PAIR_DEVICE,
65 MGMT_OP_UNPAIR_DEVICE,
66 MGMT_OP_USER_CONFIRM_REPLY,
67 MGMT_OP_USER_CONFIRM_NEG_REPLY,
68 MGMT_OP_USER_PASSKEY_REPLY,
69 MGMT_OP_USER_PASSKEY_NEG_REPLY,
70 MGMT_OP_READ_LOCAL_OOB_DATA,
71 MGMT_OP_ADD_REMOTE_OOB_DATA,
72 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
73 MGMT_OP_START_DISCOVERY,
74 MGMT_OP_STOP_DISCOVERY,
75 MGMT_OP_CONFIRM_NAME,
76 MGMT_OP_BLOCK_DEVICE,
77 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 78 MGMT_OP_SET_DEVICE_ID,
4375f103 79 MGMT_OP_SET_ADVERTISING,
0663ca2a 80 MGMT_OP_SET_BREDR,
d13eafce 81 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 82 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 83 MGMT_OP_SET_SECURE_CONN,
4e39ac81 84 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 85 MGMT_OP_SET_PRIVACY,
41edf160 86 MGMT_OP_LOAD_IRKS,
dd983808 87 MGMT_OP_GET_CONN_INFO,
95868426 88 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 89 MGMT_OP_ADD_DEVICE,
90 MGMT_OP_REMOVE_DEVICE,
a26f3dcf 91 MGMT_OP_LOAD_CONN_PARAM,
73d1df2a 92 MGMT_OP_READ_UNCONF_INDEX_LIST,
9fc3bfb6 93 MGMT_OP_READ_CONFIG_INFO,
dbece37a 94 MGMT_OP_SET_EXTERNAL_CONFIG,
9713c17b 95 MGMT_OP_SET_PUBLIC_ADDRESS,
e70bb2e8
JH		 96};
97
98static const u16 mgmt_events[] = {
99 MGMT_EV_CONTROLLER_ERROR,
100 MGMT_EV_INDEX_ADDED,
101 MGMT_EV_INDEX_REMOVED,
102 MGMT_EV_NEW_SETTINGS,
103 MGMT_EV_CLASS_OF_DEV_CHANGED,
104 MGMT_EV_LOCAL_NAME_CHANGED,
105 MGMT_EV_NEW_LINK_KEY,
106 MGMT_EV_NEW_LONG_TERM_KEY,
107 MGMT_EV_DEVICE_CONNECTED,
108 MGMT_EV_DEVICE_DISCONNECTED,
109 MGMT_EV_CONNECT_FAILED,
110 MGMT_EV_PIN_CODE_REQUEST,
111 MGMT_EV_USER_CONFIRM_REQUEST,
112 MGMT_EV_USER_PASSKEY_REQUEST,
113 MGMT_EV_AUTH_FAILED,
114 MGMT_EV_DEVICE_FOUND,
115 MGMT_EV_DISCOVERING,
116 MGMT_EV_DEVICE_BLOCKED,
117 MGMT_EV_DEVICE_UNBLOCKED,
118 MGMT_EV_DEVICE_UNPAIRED,
92a25256 119 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 120 MGMT_EV_NEW_IRK,
7ee4ea36 121 MGMT_EV_NEW_CSRK,
8afef092
MH		 122 MGMT_EV_DEVICE_ADDED,
123 MGMT_EV_DEVICE_REMOVED,
ffb5a827 124 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 125 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 126 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 127 MGMT_EV_NEW_CONFIG_OPTIONS,
e70bb2e8
JH		 128};
129
17b02e62 130#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 131
eec8d2bc
JH		 132struct pending_cmd {
133 struct list_head list;
fc2f4b13 134 u16 opcode;
eec8d2bc 135 int index;
c68fb7ff 136 void *param;
eec8d2bc 137 struct sock *sk;
e9a416b5 138 void *user_data;
eec8d2bc
JH		 139};
140
ca69b795
JH		 141/* HCI to MGMT error code conversion table */
142static u8 mgmt_status_table[] = {
143 MGMT_STATUS_SUCCESS,
144 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
145 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
146 MGMT_STATUS_FAILED, /* Hardware Failure */
147 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
148 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 149 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 150 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
151 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
152 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
153 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
154 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
155 MGMT_STATUS_BUSY, /* Command Disallowed */
156 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
157 MGMT_STATUS_REJECTED, /* Rejected Security */
158 MGMT_STATUS_REJECTED, /* Rejected Personal */
159 MGMT_STATUS_TIMEOUT, /* Host Timeout */
160 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
161 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
162 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
163 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
164 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
165 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
166 MGMT_STATUS_BUSY, /* Repeated Attempts */
167 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
168 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
169 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
170 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
171 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
172 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
173 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
174 MGMT_STATUS_FAILED, /* Unspecified Error */
175 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
176 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
177 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
178 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
179 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
180 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
181 MGMT_STATUS_FAILED, /* Unit Link Key Used */
182 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
183 MGMT_STATUS_TIMEOUT, /* Instant Passed */
184 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
185 MGMT_STATUS_FAILED, /* Transaction Collision */
186 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
187 MGMT_STATUS_REJECTED, /* QoS Rejected */
188 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
189 MGMT_STATUS_REJECTED, /* Insufficient Security */
190 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
191 MGMT_STATUS_BUSY, /* Role Switch Pending */
192 MGMT_STATUS_FAILED, /* Slot Violation */
193 MGMT_STATUS_FAILED, /* Role Switch Failed */
194 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
195 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
196 MGMT_STATUS_BUSY, /* Host Busy Pairing */
197 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
198 MGMT_STATUS_BUSY, /* Controller Busy */
199 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
200 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
201 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
202 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
203 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
204};
205
206static u8 mgmt_status(u8 hci_status)
207{
208 if (hci_status < ARRAY_SIZE(mgmt_status_table))
209 return mgmt_status_table[hci_status];
210
211 return MGMT_STATUS_FAILED;
212}
213
04c60f05
MH		 214static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
215 struct sock *skip_sk)
216{
217 struct sk_buff *skb;
218 struct mgmt_hdr *hdr;
219
220 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
221 if (!skb)
222 return -ENOMEM;
223
224 hdr = (void *) skb_put(skb, sizeof(*hdr));
225 hdr->opcode = cpu_to_le16(event);
226 if (hdev)
227 hdr->index = cpu_to_le16(hdev->id);
228 else
229 hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
230 hdr->len = cpu_to_le16(data_len);
231
232 if (data)
233 memcpy(skb_put(skb, data_len), data, data_len);
234
235 /* Time stamp */
236 __net_timestamp(skb);
237
238 hci_send_to_control(skb, skip_sk);
239 kfree_skb(skb);
240
241 return 0;
242}
243
4e51eae9 244static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
f7b64e69
JH		 245{
246 struct sk_buff *skb;
247 struct mgmt_hdr *hdr;
248 struct mgmt_ev_cmd_status *ev;
56b7d137 249 int err;
f7b64e69 250
34eb525c 251 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
f7b64e69 252
790eff44 253 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL);
f7b64e69
JH		 254 if (!skb)
255 return -ENOMEM;
256
257 hdr = (void *) skb_put(skb, sizeof(*hdr));
258
dcf4adbf 259 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
4e51eae9 260 hdr->index = cpu_to_le16(index);
f7b64e69
JH		 261 hdr->len = cpu_to_le16(sizeof(*ev));
262
263 ev = (void *) skb_put(skb, sizeof(*ev));
264 ev->status = status;
eb55ef07 265 ev->opcode = cpu_to_le16(cmd);
f7b64e69 266
56b7d137
GP		 267 err = sock_queue_rcv_skb(sk, skb);
268 if (err < 0)
f7b64e69
JH		 269 kfree_skb(skb);
270
56b7d137 271 return err;
f7b64e69
JH		 272}
273
aee9b218 274static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
04124681 275 void *rp, size_t rp_len)
02d98129
JH		 276{
277 struct sk_buff *skb;
278 struct mgmt_hdr *hdr;
279 struct mgmt_ev_cmd_complete *ev;
56b7d137 280 int err;
02d98129
JH		 281
282 BT_DBG("sock %p", sk);
283
790eff44 284 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL);
02d98129
JH		 285 if (!skb)
286 return -ENOMEM;
287
288 hdr = (void *) skb_put(skb, sizeof(*hdr));
02d98129 289
dcf4adbf 290 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
4e51eae9 291 hdr->index = cpu_to_le16(index);
a38528f1 292 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
02d98129 293
a38528f1 294 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
eb55ef07 295 ev->opcode = cpu_to_le16(cmd);
aee9b218 296 ev->status = status;
8020c16a
SJ		 297
298 if (rp)
299 memcpy(ev->data, rp, rp_len);
02d98129 300
56b7d137
GP		 301 err = sock_queue_rcv_skb(sk, skb);
302 if (err < 0)
02d98129
JH		 303 kfree_skb(skb);
304
e5f0e151 305 return err;
02d98129
JH		 306}
307
04124681
GP		 308static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
309 u16 data_len)
a38528f1
JH		 310{
311 struct mgmt_rp_read_version rp;
312
313 BT_DBG("sock %p", sk);
314
315 rp.version = MGMT_VERSION;
dcf4adbf 316 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 317
aee9b218 318 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
04124681 319 sizeof(rp));
a38528f1
JH		 320}
321
04124681
GP		 322static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
323 u16 data_len)
e70bb2e8
JH		 324{
325 struct mgmt_rp_read_commands *rp;
eb55ef07
MH		 326 const u16 num_commands = ARRAY_SIZE(mgmt_commands);
327 const u16 num_events = ARRAY_SIZE(mgmt_events);
2e3c35ea 328 __le16 *opcode;
e70bb2e8
JH		 329 size_t rp_size;
330 int i, err;
331
332 BT_DBG("sock %p", sk);
333
334 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
335
336 rp = kmalloc(rp_size, GFP_KERNEL);
337 if (!rp)
338 return -ENOMEM;
339
dcf4adbf
JP		 340 rp->num_commands = cpu_to_le16(num_commands);
341 rp->num_events = cpu_to_le16(num_events);
e70bb2e8
JH		 342
343 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
344 put_unaligned_le16(mgmt_commands[i], opcode);
345
346 for (i = 0; i < num_events; i++, opcode++)
347 put_unaligned_le16(mgmt_events[i], opcode);
348
aee9b218 349 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
04124681 350 rp_size);
e70bb2e8
JH		 351 kfree(rp);
352
353 return err;
354}
355
04124681
GP		 356static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
357 u16 data_len)
faba42eb 358{
faba42eb 359 struct mgmt_rp_read_index_list *rp;
8035ded4 360 struct hci_dev *d;
a38528f1 361 size_t rp_len;
faba42eb 362 u16 count;
476e44cb 363 int err;
faba42eb
JH		 364
365 BT_DBG("sock %p", sk);
366
367 read_lock(&hci_dev_list_lock);
368
369 count = 0;
bb4b2a9a 370 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a
MH		 371 if (d->dev_type == HCI_BREDR &&
372 !test_bit(HCI_UNCONFIGURED, &d->dev_flags))
1514b892 373 count++;
faba42eb
JH		 374 }
375
a38528f1
JH		 376 rp_len = sizeof(*rp) + (2 * count);
377 rp = kmalloc(rp_len, GFP_ATOMIC);
378 if (!rp) {
b2c60d42 379 read_unlock(&hci_dev_list_lock);
faba42eb 380 return -ENOMEM;
b2c60d42 381 }
faba42eb 382
476e44cb 383 count = 0;
8035ded4 384 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 385 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 386 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a 387 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
ab81cbf9
JH		 388 continue;
389
73d1df2a
MH		 390 /* Devices marked as raw-only are neither configured
391 * nor unconfigured controllers.
392 */
393 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 394 continue;
395
73d1df2a
MH		 396 if (d->dev_type == HCI_BREDR &&
397 !test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
1514b892
MH		 398 rp->index[count++] = cpu_to_le16(d->id);
399 BT_DBG("Added hci%u", d->id);
400 }
faba42eb
JH		 401 }
402
476e44cb
JH		 403 rp->num_controllers = cpu_to_le16(count);
404 rp_len = sizeof(*rp) + (2 * count);
405
faba42eb
JH		 406 read_unlock(&hci_dev_list_lock);
407
aee9b218 408 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
04124681 409 rp_len);
faba42eb 410
a38528f1
JH		 411 kfree(rp);
412
413 return err;
faba42eb
JH		 414}
415
73d1df2a
MH		 416static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
417 void *data, u16 data_len)
418{
419 struct mgmt_rp_read_unconf_index_list *rp;
420 struct hci_dev *d;
421 size_t rp_len;
422 u16 count;
423 int err;
424
425 BT_DBG("sock %p", sk);
426
427 read_lock(&hci_dev_list_lock);
428
429 count = 0;
430 list_for_each_entry(d, &hci_dev_list, list) {
431 if (d->dev_type == HCI_BREDR &&
432 test_bit(HCI_UNCONFIGURED, &d->dev_flags))
433 count++;
434 }
435
436 rp_len = sizeof(*rp) + (2 * count);
437 rp = kmalloc(rp_len, GFP_ATOMIC);
438 if (!rp) {
439 read_unlock(&hci_dev_list_lock);
440 return -ENOMEM;
441 }
442
443 count = 0;
444 list_for_each_entry(d, &hci_dev_list, list) {
445 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 446 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a
MH		 447 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
448 continue;
449
450 /* Devices marked as raw-only are neither configured
451 * nor unconfigured controllers.
452 */
453 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
454 continue;
455
456 if (d->dev_type == HCI_BREDR &&
457 test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
458 rp->index[count++] = cpu_to_le16(d->id);
459 BT_DBG("Added hci%u", d->id);
460 }
461 }
462
463 rp->num_controllers = cpu_to_le16(count);
464 rp_len = sizeof(*rp) + (2 * count);
465
466 read_unlock(&hci_dev_list_lock);
467
468 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_UNCONF_INDEX_LIST,
469 0, rp, rp_len);
470
471 kfree(rp);
472
473 return err;
474}
475
dbece37a
MH		 476static bool is_configured(struct hci_dev *hdev)
477{
478 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
479 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
480 return false;
481
482 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
483 !bacmp(&hdev->public_addr, BDADDR_ANY))
484 return false;
485
486 return true;
487}
488
89bc22d2
MH		 489static __le32 get_missing_options(struct hci_dev *hdev)
490{
491 u32 options = 0;
492
dbece37a
MH		 493 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
494 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
eb1904f4
MH		 495 options |= MGMT_OPTION_EXTERNAL_CONFIG;
496
89bc22d2
MH		 497 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
498 !bacmp(&hdev->public_addr, BDADDR_ANY))
499 options |= MGMT_OPTION_PUBLIC_ADDRESS;
500
501 return cpu_to_le32(options);
502}
503
f4537c04
MH		 504static int new_options(struct hci_dev *hdev, struct sock *skip)
505{
506 __le32 options = get_missing_options(hdev);
507
508 return mgmt_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
509 sizeof(options), skip);
510}
511
dbece37a
MH		 512static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
513{
514 __le32 options = get_missing_options(hdev);
515
516 return cmd_complete(sk, hdev->id, opcode, 0, &options,
517 sizeof(options));
518}
519
9fc3bfb6
MH		 520static int read_config_info(struct sock *sk, struct hci_dev *hdev,
521 void *data, u16 data_len)
522{
523 struct mgmt_rp_read_config_info rp;
89bc22d2 524 u32 options = 0;
9fc3bfb6
MH		 525
526 BT_DBG("sock %p %s", sk, hdev->name);
527
528 hci_dev_lock(hdev);
529
530 memset(&rp, 0, sizeof(rp));
531 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 532
eb1904f4
MH		 533 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
534 options |= MGMT_OPTION_EXTERNAL_CONFIG;
535
9fc3bfb6 536 if (hdev->set_bdaddr)
89bc22d2
MH		 537 options |= MGMT_OPTION_PUBLIC_ADDRESS;
538
539 rp.supported_options = cpu_to_le32(options);
540 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 541
542 hci_dev_unlock(hdev);
543
544 return cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, &rp,
545 sizeof(rp));
546}
547
69ab39ea
JH		 548static u32 get_supported_settings(struct hci_dev *hdev)
549{
550 u32 settings = 0;
551
552 settings |= MGMT_SETTING_POWERED;
b2939475 553 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 554 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 555 settings |= MGMT_SETTING_CONNECTABLE;
556 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 557
ed3fa31f 558 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 559 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
560 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 561 settings |= MGMT_SETTING_BREDR;
562 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 563
564 if (lmp_ssp_capable(hdev)) {
565 settings |= MGMT_SETTING_SSP;
566 settings |= MGMT_SETTING_HS;
567 }
e98d2ce2 568
5afeac14 569 if (lmp_sc_capable(hdev) ||
111902f7 570 test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
e98d2ce2 571 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 572 }
d7b7e796 573
eeca6f89 574 if (lmp_le_capable(hdev)) {
9d42820f 575 settings |= MGMT_SETTING_LE;
eeca6f89 576 settings |= MGMT_SETTING_ADVERTISING;
a3209694 577 settings |= MGMT_SETTING_SECURE_CONN;
0f4bd942 578 settings |= MGMT_SETTING_PRIVACY;
eeca6f89 579 }
69ab39ea 580
eb1904f4
MH		 581 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
582 hdev->set_bdaddr)
9fc3bfb6
MH		 583 settings |= MGMT_SETTING_CONFIGURATION;
584
69ab39ea
JH		 585 return settings;
586}
587
588static u32 get_current_settings(struct hci_dev *hdev)
589{
590 u32 settings = 0;
591
f1f0eb02 592 if (hdev_is_powered(hdev))
f0d4b78a
MH		 593 settings |= MGMT_SETTING_POWERED;
594
5e5282bb 595 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
69ab39ea
JH		 596 settings |= MGMT_SETTING_CONNECTABLE;
597
1a4d3c4b
JH		 598 if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
599 settings |= MGMT_SETTING_FAST_CONNECTABLE;
600
5e5282bb 601 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
69ab39ea
JH		 602 settings |= MGMT_SETTING_DISCOVERABLE;
603
b6ae8457 604 if (test_bit(HCI_BONDABLE, &hdev->dev_flags))
b2939475 605 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 606
56f87901 607 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 608 settings |= MGMT_SETTING_BREDR;
609
06199cf8 610 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 611 settings |= MGMT_SETTING_LE;
612
47990ea0 613 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
69ab39ea
JH		 614 settings |= MGMT_SETTING_LINK_SECURITY;
615
84bde9d6 616 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 617 settings |= MGMT_SETTING_SSP;
618
6d80dfd0
JH		 619 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
620 settings |= MGMT_SETTING_HS;
621
f3d3444a 622 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
eeca6f89
JH		 623 settings |= MGMT_SETTING_ADVERTISING;
624
e98d2ce2
MH		 625 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
626 settings |= MGMT_SETTING_SECURE_CONN;
627
0663b297 628 if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags))
b1de97d8
MH		 629 settings |= MGMT_SETTING_DEBUG_KEYS;
630
0f4bd942
JH		 631 if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
632 settings |= MGMT_SETTING_PRIVACY;
633
69ab39ea
JH		 634 return settings;
635}
636
ef580372
JH		 637#define PNP_INFO_SVCLASS_ID 0x1200
638
213202ed
JH		 639static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
640{
641 u8 *ptr = data, *uuids_start = NULL;
642 struct bt_uuid *uuid;
643
644 if (len < 4)
645 return ptr;
646
647 list_for_each_entry(uuid, &hdev->uuids, list) {
648 u16 uuid16;
649
650 if (uuid->size != 16)
651 continue;
652
653 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
654 if (uuid16 < 0x1100)
655 continue;
656
657 if (uuid16 == PNP_INFO_SVCLASS_ID)
658 continue;
659
660 if (!uuids_start) {
661 uuids_start = ptr;
662 uuids_start[0] = 1;
663 uuids_start[1] = EIR_UUID16_ALL;
664 ptr += 2;
665 }
666
667 /* Stop if not enough space to put next UUID */
668 if ((ptr - data) + sizeof(u16) > len) {
669 uuids_start[1] = EIR_UUID16_SOME;
670 break;
671 }
672
673 *ptr++ = (uuid16 & 0x00ff);
674 *ptr++ = (uuid16 & 0xff00) >> 8;
675 uuids_start[0] += sizeof(uuid16);
676 }
677
678 return ptr;
679}
680
cdf1963f
JH		 681static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
682{
683 u8 *ptr = data, *uuids_start = NULL;
684 struct bt_uuid *uuid;
685
686 if (len < 6)
687 return ptr;
688
689 list_for_each_entry(uuid, &hdev->uuids, list) {
690 if (uuid->size != 32)
691 continue;
692
693 if (!uuids_start) {
694 uuids_start = ptr;
695 uuids_start[0] = 1;
696 uuids_start[1] = EIR_UUID32_ALL;
697 ptr += 2;
698 }
699
700 /* Stop if not enough space to put next UUID */
701 if ((ptr - data) + sizeof(u32) > len) {
702 uuids_start[1] = EIR_UUID32_SOME;
703 break;
704 }
705
706 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
707 ptr += sizeof(u32);
708 uuids_start[0] += sizeof(u32);
709 }
710
711 return ptr;
712}
713
c00d575b
JH		 714static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
715{
716 u8 *ptr = data, *uuids_start = NULL;
717 struct bt_uuid *uuid;
718
719 if (len < 18)
720 return ptr;
721
722 list_for_each_entry(uuid, &hdev->uuids, list) {
723 if (uuid->size != 128)
724 continue;
725
726 if (!uuids_start) {
727 uuids_start = ptr;
728 uuids_start[0] = 1;
729 uuids_start[1] = EIR_UUID128_ALL;
730 ptr += 2;
731 }
732
733 /* Stop if not enough space to put next UUID */
734 if ((ptr - data) + 16 > len) {
735 uuids_start[1] = EIR_UUID128_SOME;
736 break;
737 }
738
739 memcpy(ptr, uuid->uuid, 16);
740 ptr += 16;
741 uuids_start[0] += 16;
742 }
743
744 return ptr;
745}
746
eb2a8d20
JH		 747static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
748{
749 struct pending_cmd *cmd;
750
751 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
752 if (cmd->opcode == opcode)
753 return cmd;
754 }
755
756 return NULL;
757}
758
95868426
JH		 759static struct pending_cmd *mgmt_pending_find_data(u16 opcode,
760 struct hci_dev *hdev,
761 const void *data)
762{
763 struct pending_cmd *cmd;
764
765 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
766 if (cmd->user_data != data)
767 continue;
768 if (cmd->opcode == opcode)
769 return cmd;
770 }
771
772 return NULL;
773}
774
f14d8f64
MH		 775static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
776{
7a5f4990
MH		 777 u8 ad_len = 0;
778 size_t name_len;
779
780 name_len = strlen(hdev->dev_name);
781 if (name_len > 0) {
782 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
783
784 if (name_len > max_len) {
785 name_len = max_len;
786 ptr[1] = EIR_NAME_SHORT;
787 } else
788 ptr[1] = EIR_NAME_COMPLETE;
789
790 ptr[0] = name_len + 1;
791
792 memcpy(ptr + 2, hdev->dev_name, name_len);
793
794 ad_len += (name_len + 2);
795 ptr += (name_len + 2);
796 }
797
798 return ad_len;
f14d8f64
MH		 799}
800
801static void update_scan_rsp_data(struct hci_request *req)
802{
803 struct hci_dev *hdev = req->hdev;
804 struct hci_cp_le_set_scan_rsp_data cp;
805 u8 len;
806
7751ef1b 807 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
f14d8f64
MH		 808 return;
809
810 memset(&cp, 0, sizeof(cp));
811
812 len = create_scan_rsp_data(hdev, cp.data);
813
eb438b5f
JH		 814 if (hdev->scan_rsp_data_len == len &&
815 memcmp(cp.data, hdev->scan_rsp_data, len) == 0)
f14d8f64
MH		 816 return;
817
eb438b5f
JH		 818 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
819 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 820
821 cp.length = len;
822
823 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
824}
825
9a43e25f
JH		 826static u8 get_adv_discov_flags(struct hci_dev *hdev)
827{
828 struct pending_cmd *cmd;
829
830 /* If there's a pending mgmt command the flags will not yet have
831 * their final values, so check for this first.
832 */
833 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
834 if (cmd) {
835 struct mgmt_mode *cp = cmd->param;
836 if (cp->val == 0x01)
837 return LE_AD_GENERAL;
838 else if (cp->val == 0x02)
839 return LE_AD_LIMITED;
840 } else {
841 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
842 return LE_AD_LIMITED;
843 else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
844 return LE_AD_GENERAL;
845 }
846
847 return 0;
848}
849
46cad2ed 850static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr)
441ad2d0
MH		 851{
852 u8 ad_len = 0, flags = 0;
441ad2d0 853
9a43e25f 854 flags |= get_adv_discov_flags(hdev);
441ad2d0 855
e834004b 856 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
441ad2d0 857 flags |= LE_AD_NO_BREDR;
441ad2d0
MH		 858
859 if (flags) {
860 BT_DBG("adv flags 0x%02x", flags);
861
862 ptr[0] = 2;
863 ptr[1] = EIR_FLAGS;
864 ptr[2] = flags;
865
866 ad_len += 3;
867 ptr += 3;
868 }
869
870 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
871 ptr[0] = 2;
872 ptr[1] = EIR_TX_POWER;
873 ptr[2] = (u8) hdev->adv_tx_power;
874
875 ad_len += 3;
876 ptr += 3;
877 }
878
441ad2d0
MH		 879 return ad_len;
880}
881
5947f4bc 882static void update_adv_data(struct hci_request *req)
441ad2d0
MH		 883{
884 struct hci_dev *hdev = req->hdev;
885 struct hci_cp_le_set_adv_data cp;
886 u8 len;
887
10994ce6 888 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
441ad2d0
MH		 889 return;
890
891 memset(&cp, 0, sizeof(cp));
892
46cad2ed 893 len = create_adv_data(hdev, cp.data);
441ad2d0
MH		 894
895 if (hdev->adv_data_len == len &&
896 memcmp(cp.data, hdev->adv_data, len) == 0)
897 return;
898
899 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
900 hdev->adv_data_len = len;
901
902 cp.length = len;
903
904 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
905}
906
bc6d2d04
JH		 907int mgmt_update_adv_data(struct hci_dev *hdev)
908{
909 struct hci_request req;
910
911 hci_req_init(&req, hdev);
912 update_adv_data(&req);
913
914 return hci_req_run(&req, NULL);
915}
916
ef580372
JH		 917static void create_eir(struct hci_dev *hdev, u8 *data)
918{
919 u8 *ptr = data;
ef580372
JH		 920 size_t name_len;
921
922 name_len = strlen(hdev->dev_name);
923
924 if (name_len > 0) {
925 /* EIR Data type */
926 if (name_len > 48) {
927 name_len = 48;
928 ptr[1] = EIR_NAME_SHORT;
929 } else
930 ptr[1] = EIR_NAME_COMPLETE;
931
932 /* EIR Data length */
933 ptr[0] = name_len + 1;
934
935 memcpy(ptr + 2, hdev->dev_name, name_len);
936
ef580372
JH		 937 ptr += (name_len + 2);
938 }
939
bbaf444a 940 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 941 ptr[0] = 2;
942 ptr[1] = EIR_TX_POWER;
943 ptr[2] = (u8) hdev->inq_tx_power;
944
91c4e9b1
MH		 945 ptr += 3;
946 }
947
2b9be137
MH		 948 if (hdev->devid_source > 0) {
949 ptr[0] = 9;
950 ptr[1] = EIR_DEVICE_ID;
951
952 put_unaligned_le16(hdev->devid_source, ptr + 2);
953 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
954 put_unaligned_le16(hdev->devid_product, ptr + 6);
955 put_unaligned_le16(hdev->devid_version, ptr + 8);
956
2b9be137
MH		 957 ptr += 10;
958 }
959
213202ed 960 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 961 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 962 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 963}
964
890ea898 965static void update_eir(struct hci_request *req)
ef580372 966{
890ea898 967 struct hci_dev *hdev = req->hdev;
ef580372
JH		 968 struct hci_cp_write_eir cp;
969
504c8dcd 970 if (!hdev_is_powered(hdev))
890ea898 971 return;
7770c4aa 972
976eb20e 973 if (!lmp_ext_inq_capable(hdev))
890ea898 974 return;
ef580372 975
84bde9d6 976 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 977 return;
ef580372 978
a8b2d5c2 979 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 980 return;
ef580372
JH		 981
982 memset(&cp, 0, sizeof(cp));
983
984 create_eir(hdev, cp.data);
985
986 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 987 return;
ef580372
JH		 988
989 memcpy(hdev->eir, cp.data, sizeof(cp.data));
990
890ea898 991 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 992}
993
994static u8 get_service_classes(struct hci_dev *hdev)
995{
996 struct bt_uuid *uuid;
997 u8 val = 0;
998
999 list_for_each_entry(uuid, &hdev->uuids, list)
1000 val |= uuid->svc_hint;
1001
1002 return val;
1003}
1004
890ea898 1005static void update_class(struct hci_request *req)
ef580372 1006{
890ea898 1007 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1008 u8 cod[3];
1009
1010 BT_DBG("%s", hdev->name);
1011
504c8dcd 1012 if (!hdev_is_powered(hdev))
890ea898 1013 return;
7770c4aa 1014
f87ea1da
JH		 1015 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1016 return;
1017
a8b2d5c2 1018 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 1019 return;
ef580372
JH		 1020
1021 cod[0] = hdev->minor_class;
1022 cod[1] = hdev->major_class;
1023 cod[2] = get_service_classes(hdev);
1024
6acd7db4
MH		 1025 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
1026 cod[1] |= 0x20;
1027
ef580372 1028 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1029 return;
ef580372 1030
890ea898 1031 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1032}
1033
a4858cb9 1034static bool get_connectable(struct hci_dev *hdev)
199a2fb1
JH		 1035{
1036 struct pending_cmd *cmd;
199a2fb1
JH		 1037
1038 /* If there's a pending mgmt command the flag will not yet have
1039 * it's final value, so check for this first.
1040 */
1041 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1042 if (cmd) {
1043 struct mgmt_mode *cp = cmd->param;
a4858cb9 1044 return cp->val;
199a2fb1
JH		 1045 }
1046
a4858cb9 1047 return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
199a2fb1
JH		 1048}
1049
0ec5ae84
JH		 1050static void disable_advertising(struct hci_request *req)
1051{
1052 u8 enable = 0x00;
1053
1054 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1055}
1056
199a2fb1
JH		 1057static void enable_advertising(struct hci_request *req)
1058{
1059 struct hci_dev *hdev = req->hdev;
1060 struct hci_cp_le_set_adv_param cp;
8f2a0601 1061 u8 own_addr_type, enable = 0x01;
a4858cb9 1062 bool connectable;
199a2fb1 1063
0ec5ae84
JH		 1064 if (hci_conn_num(hdev, LE_LINK) > 0)
1065 return;
1066
1067 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
1068 disable_advertising(req);
1069
5ce194c4 1070 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1071 * hci_update_random_address knows that it's safe to go ahead
1072 * and write a new random address. The flag will be set back on
1073 * as soon as the SET_ADV_ENABLE HCI command completes.
1074 */
5ce194c4 1075 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
8d97250e 1076
a4858cb9 1077 connectable = get_connectable(hdev);
8f2a0601 1078
a4858cb9
JH		 1079 /* Set require_privacy to true only when non-connectable
1080 * advertising is used. In that case it is fine to use a
1081 * non-resolvable private address.
1082 */
1083 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1084 return;
1085
41c90c18 1086 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1087 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1088 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
a4858cb9 1089 cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
8f2a0601 1090 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1091 cp.channel_map = hdev->le_adv_channel_map;
1092
1093 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1094
1095 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1096}
1097
7d78525d
JH		 1098static void service_cache_off(struct work_struct *work)
1099{
1100 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1101 service_cache.work);
890ea898 1102 struct hci_request req;
7d78525d 1103
a8b2d5c2 1104 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
7d78525d
JH		 1105 return;
1106
890ea898
JH		 1107 hci_req_init(&req, hdev);
1108
7d78525d
JH		 1109 hci_dev_lock(hdev);
1110
890ea898
JH		 1111 update_eir(&req);
1112 update_class(&req);
7d78525d
JH		 1113
1114 hci_dev_unlock(hdev);
890ea898
JH		 1115
1116 hci_req_run(&req, NULL);
7d78525d
JH		 1117}
1118
d6bfd59c
JH		 1119static void rpa_expired(struct work_struct *work)
1120{
1121 struct hci_dev *hdev = container_of(work, struct hci_dev,
1122 rpa_expired.work);
1123 struct hci_request req;
1124
1125 BT_DBG("");
1126
1127 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
1128
0ec5ae84 1129 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
d6bfd59c
JH		 1130 return;
1131
1132 /* The generation of a new RPA and programming it into the
1133 * controller happens in the enable_advertising() function.
1134 */
d6bfd59c 1135 hci_req_init(&req, hdev);
d6bfd59c 1136 enable_advertising(&req);
d6bfd59c
JH		 1137 hci_req_run(&req, NULL);
1138}
1139
6a919082 1140static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1141{
4f87da80 1142 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
6a919082
JH		 1143 return;
1144
4f87da80 1145 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1146 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1147
4f87da80
JH		 1148 /* Non-mgmt controlled devices get this bit set
1149 * implicitly so that pairing works for them, however
1150 * for mgmt we require user-space to explicitly enable
1151 * it
1152 */
b6ae8457 1153 clear_bit(HCI_BONDABLE, &hdev->dev_flags);
7d78525d
JH		 1154}
1155
0f4e68cf 1156static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1157 void *data, u16 data_len)
0381101f 1158{
a38528f1 1159 struct mgmt_rp_read_info rp;
f7b64e69 1160
bdb6d971 1161 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1162
09fd0de5 1163 hci_dev_lock(hdev);
f7b64e69 1164
dc4fe30b
JH		 1165 memset(&rp, 0, sizeof(rp));
1166
69ab39ea 1167 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1168
69ab39ea 1169 rp.version = hdev->hci_ver;
eb55ef07 1170 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1171
1172 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1173 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1174
a38528f1 1175 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1176
dc4fe30b 1177 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1178 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1179
09fd0de5 1180 hci_dev_unlock(hdev);
0381101f 1181
bdb6d971 1182 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
04124681 1183 sizeof(rp));
0381101f
JH		 1184}
1185
eec8d2bc
JH		 1186static void mgmt_pending_free(struct pending_cmd *cmd)
1187{
1188 sock_put(cmd->sk);
c68fb7ff 1189 kfree(cmd->param);
eec8d2bc
JH		 1190 kfree(cmd);
1191}
1192
366a0336 1193static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
04124681
GP		 1194 struct hci_dev *hdev, void *data,
1195 u16 len)
eec8d2bc
JH		 1196{
1197 struct pending_cmd *cmd;
1198
fca20018 1199 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
eec8d2bc 1200 if (!cmd)
366a0336 1201 return NULL;
eec8d2bc
JH		 1202
1203 cmd->opcode = opcode;
2e58ef3e 1204 cmd->index = hdev->id;
eec8d2bc 1205
12b94565 1206 cmd->param = kmalloc(len, GFP_KERNEL);
c68fb7ff 1207 if (!cmd->param) {
eec8d2bc 1208 kfree(cmd);
366a0336 1209 return NULL;
eec8d2bc
JH		 1210 }
1211
8fce6357
SJ		 1212 if (data)
1213 memcpy(cmd->param, data, len);
eec8d2bc
JH		 1214
1215 cmd->sk = sk;
1216 sock_hold(sk);
1217
2e58ef3e 1218 list_add(&cmd->list, &hdev->mgmt_pending);
eec8d2bc 1219
366a0336 1220 return cmd;
eec8d2bc
JH		 1221}
1222
744cf19e 1223static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
8fc9ced3
GP		 1224 void (*cb)(struct pending_cmd *cmd,
1225 void *data),
04124681 1226 void *data)
eec8d2bc 1227{
a3d09356 1228 struct pending_cmd *cmd, *tmp;
eec8d2bc 1229
a3d09356 1230 list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
b24752fe 1231 if (opcode > 0 && cmd->opcode != opcode)
eec8d2bc
JH		 1232 continue;
1233
eec8d2bc
JH		 1234 cb(cmd, data);
1235 }
1236}
1237
a664b5bc 1238static void mgmt_pending_remove(struct pending_cmd *cmd)
73f22f62 1239{
73f22f62
JH		 1240 list_del(&cmd->list);
1241 mgmt_pending_free(cmd);
1242}
1243
69ab39ea 1244static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1245{
69ab39ea 1246 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1247
aee9b218 1248 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
04124681 1249 sizeof(settings));
8680570b
JH		 1250}
1251
8b064a3a
JH		 1252static void clean_up_hci_complete(struct hci_dev *hdev, u8 status)
1253{
1254 BT_DBG("%s status 0x%02x", hdev->name, status);
1255
a3172b7e
JH		 1256 if (hci_conn_count(hdev) == 0) {
1257 cancel_delayed_work(&hdev->power_off);
8b064a3a 1258 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1259 }
8b064a3a
JH		 1260}
1261
23a48093 1262static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1263{
1264 struct hci_dev *hdev = req->hdev;
1265 struct hci_cp_remote_name_req_cancel cp;
1266 struct inquiry_entry *e;
1267
1268 switch (hdev->discovery.state) {
1269 case DISCOVERY_FINDING:
1270 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
1271 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1272 } else {
1273 cancel_delayed_work(&hdev->le_scan_disable);
1274 hci_req_add_le_scan_disable(req);
1275 }
1276
23a48093 1277 return true;
21a60d30
JH		 1278
1279 case DISCOVERY_RESOLVING:
1280 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1281 NAME_PENDING);
1282 if (!e)
23a48093 1283 break;
21a60d30
JH		 1284
1285 bacpy(&cp.bdaddr, &e->data.bdaddr);
1286 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1287 &cp);
1288
23a48093 1289 return true;
21a60d30
JH		 1290
1291 default:
1292 /* Passive scanning */
23a48093 1293 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
21a60d30 1294 hci_req_add_le_scan_disable(req);
23a48093
JH		 1295 return true;
1296 }
1297
21a60d30
JH		 1298 break;
1299 }
23a48093
JH		 1300
1301 return false;
21a60d30
JH		 1302}
1303
8b064a3a
JH		 1304static int clean_up_hci_state(struct hci_dev *hdev)
1305{
1306 struct hci_request req;
1307 struct hci_conn *conn;
23a48093
JH		 1308 bool discov_stopped;
1309 int err;
8b064a3a
JH		 1310
1311 hci_req_init(&req, hdev);
1312
1313 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1314 test_bit(HCI_PSCAN, &hdev->flags)) {
1315 u8 scan = 0x00;
1316 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1317 }
1318
73e082f8 1319 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
8b064a3a
JH		 1320 disable_advertising(&req);
1321
23a48093 1322 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1323
1324 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1325 struct hci_cp_disconnect dc;
c9910d0f
JH		 1326 struct hci_cp_reject_conn_req rej;
1327
1328 switch (conn->state) {
1329 case BT_CONNECTED:
1330 case BT_CONFIG:
1331 dc.handle = cpu_to_le16(conn->handle);
1332 dc.reason = 0x15; /* Terminated due to Power Off */
1333 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1334 break;
1335 case BT_CONNECT:
1336 if (conn->type == LE_LINK)
1337 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1338 0, NULL);
1339 else if (conn->type == ACL_LINK)
1340 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1341 6, &conn->dst);
1342 break;
1343 case BT_CONNECT2:
1344 bacpy(&rej.bdaddr, &conn->dst);
1345 rej.reason = 0x15; /* Terminated due to Power Off */
1346 if (conn->type == ACL_LINK)
1347 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1348 sizeof(rej), &rej);
1349 else if (conn->type == SCO_LINK)
1350 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1351 sizeof(rej), &rej);
1352 break;
1353 }
8b064a3a
JH		 1354 }
1355
23a48093
JH		 1356 err = hci_req_run(&req, clean_up_hci_complete);
1357 if (!err && discov_stopped)
1358 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1359
1360 return err;
8b064a3a
JH		 1361}
1362
bdb6d971 1363static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1364 u16 len)
eec8d2bc 1365{
650f726d 1366 struct mgmt_mode *cp = data;
366a0336 1367 struct pending_cmd *cmd;
4b34ee78 1368 int err;
eec8d2bc 1369
bdb6d971 1370 BT_DBG("request for %s", hdev->name);
eec8d2bc 1371
a7e80f25
JH		 1372 if (cp->val != 0x00 && cp->val != 0x01)
1373 return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1374 MGMT_STATUS_INVALID_PARAMS);
1375
09fd0de5 1376 hci_dev_lock(hdev);
eec8d2bc 1377
87b95ba6
JH		 1378 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
1379 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1380 MGMT_STATUS_BUSY);
1381 goto failed;
1382 }
1383
f0d4b78a
MH		 1384 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
1385 cancel_delayed_work(&hdev->power_off);
1386
1387 if (cp->val) {
a1d70450
JH		 1388 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1389 data, len);
1390 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1391 goto failed;
1392 }
1393 }
1394
4b34ee78 1395 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1396 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1397 goto failed;
1398 }
1399
2e58ef3e 1400 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1401 if (!cmd) {
1402 err = -ENOMEM;
eec8d2bc 1403 goto failed;
366a0336 1404 }
eec8d2bc 1405
8b064a3a 1406 if (cp->val) {
19202573 1407 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1408 err = 0;
1409 } else {
1410 /* Disconnect connections, stop scans, etc */
1411 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1412 if (!err)
1413 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1414 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1415
8b064a3a
JH		 1416 /* ENODATA means there were no HCI commands queued */
1417 if (err == -ENODATA) {
a3172b7e 1418 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1419 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1420 err = 0;
1421 }
1422 }
eec8d2bc
JH		 1423
1424failed:
09fd0de5 1425 hci_dev_unlock(hdev);
366a0336 1426 return err;
eec8d2bc
JH		 1427}
1428
beadb2bd
JH		 1429static int new_settings(struct hci_dev *hdev, struct sock *skip)
1430{
1431 __le32 ev;
1432
1433 ev = cpu_to_le32(get_current_settings(hdev));
1434
1435 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
1436}
1437
91a668b0
JH		 1438int mgmt_new_settings(struct hci_dev *hdev)
1439{
1440 return new_settings(hdev, NULL);
1441}
1442
bd99abdd
JH		 1443struct cmd_lookup {
1444 struct sock *sk;
1445 struct hci_dev *hdev;
1446 u8 mgmt_status;
1447};
1448
1449static void settings_rsp(struct pending_cmd *cmd, void *data)
1450{
1451 struct cmd_lookup *match = data;
1452
1453 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1454
1455 list_del(&cmd->list);
1456
1457 if (match->sk == NULL) {
1458 match->sk = cmd->sk;
1459 sock_hold(match->sk);
1460 }
1461
1462 mgmt_pending_free(cmd);
1463}
1464
1465static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
1466{
1467 u8 *status = data;
1468
1469 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1470 mgmt_pending_remove(cmd);
1471}
1472
e6fe7986
JH		 1473static u8 mgmt_bredr_support(struct hci_dev *hdev)
1474{
1475 if (!lmp_bredr_capable(hdev))
1476 return MGMT_STATUS_NOT_SUPPORTED;
1477 else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1478 return MGMT_STATUS_REJECTED;
1479 else
1480 return MGMT_STATUS_SUCCESS;
1481}
1482
1483static u8 mgmt_le_support(struct hci_dev *hdev)
1484{
1485 if (!lmp_le_capable(hdev))
1486 return MGMT_STATUS_NOT_SUPPORTED;
1487 else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
1488 return MGMT_STATUS_REJECTED;
1489 else
1490 return MGMT_STATUS_SUCCESS;
1491}
1492
bfaf8c9f
JH		 1493static void set_discoverable_complete(struct hci_dev *hdev, u8 status)
1494{
1495 struct pending_cmd *cmd;
1496 struct mgmt_mode *cp;
970ba524 1497 struct hci_request req;
bfaf8c9f
JH		 1498 bool changed;
1499
1500 BT_DBG("status 0x%02x", status);
1501
1502 hci_dev_lock(hdev);
1503
1504 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1505 if (!cmd)
1506 goto unlock;
1507
1508 if (status) {
1509 u8 mgmt_err = mgmt_status(status);
1510 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
310a3d48 1511 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
bfaf8c9f
JH		 1512 goto remove_cmd;
1513 }
1514
1515 cp = cmd->param;
d4462a07 1516 if (cp->val) {
bfaf8c9f
JH		 1517 changed = !test_and_set_bit(HCI_DISCOVERABLE,
1518 &hdev->dev_flags);
d4462a07
MH		 1519
1520 if (hdev->discov_timeout > 0) {
1521 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1522 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1523 to);
1524 }
1525 } else {
bfaf8c9f
JH		 1526 changed = test_and_clear_bit(HCI_DISCOVERABLE,
1527 &hdev->dev_flags);
d4462a07 1528 }
bfaf8c9f
JH		 1529
1530 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1531
1532 if (changed)
1533 new_settings(hdev, cmd->sk);
1534
970ba524
MH		 1535 /* When the discoverable mode gets changed, make sure
1536 * that class of device has the limited discoverable
432df05e
JH		 1537 * bit correctly set. Also update page scan based on whitelist
1538 * entries.
970ba524
MH		 1539 */
1540 hci_req_init(&req, hdev);
432df05e 1541 hci_update_page_scan(hdev, &req);
970ba524
MH		 1542 update_class(&req);
1543 hci_req_run(&req, NULL);
1544
bfaf8c9f
JH		 1545remove_cmd:
1546 mgmt_pending_remove(cmd);
1547
1548unlock:
1549 hci_dev_unlock(hdev);
1550}
1551
bdb6d971 1552static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1553 u16 len)
73f22f62 1554{
650f726d 1555 struct mgmt_cp_set_discoverable *cp = data;
366a0336 1556 struct pending_cmd *cmd;
bfaf8c9f 1557 struct hci_request req;
5e5282bb 1558 u16 timeout;
9a43e25f 1559 u8 scan;
73f22f62
JH		 1560 int err;
1561
bdb6d971 1562 BT_DBG("request for %s", hdev->name);
73f22f62 1563
9a43e25f
JH		 1564 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1565 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1566 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
9a43e25f 1567 MGMT_STATUS_REJECTED);
33c525c0 1568
310a3d48 1569 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a7e80f25
JH		 1570 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1571 MGMT_STATUS_INVALID_PARAMS);
1572
1f350c87 1573 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1574
1575 /* Disabling discoverable requires that no timeout is set,
1576 * and enabling limited discoverable requires a timeout.
1577 */
1578 if ((cp->val == 0x00 && timeout > 0) ||
1579 (cp->val == 0x02 && timeout == 0))
bdb6d971 1580 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1581 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1582
09fd0de5 1583 hci_dev_lock(hdev);
73f22f62 1584
5e5282bb 1585 if (!hdev_is_powered(hdev) && timeout > 0) {
bdb6d971 1586 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1587 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1588 goto failed;
1589 }
1590
2e58ef3e 1591 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1592 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1593 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1594 MGMT_STATUS_BUSY);
73f22f62
JH		 1595 goto failed;
1596 }
1597
5e5282bb 1598 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
bdb6d971 1599 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1600 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1601 goto failed;
1602 }
1603
1604 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1605 bool changed = false;
1606
310a3d48
MH		 1607 /* Setting limited discoverable when powered off is
1608 * not a valid operation since it requires a timeout
1609 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1610 */
0224d2fa
JH		 1611 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
1612 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1613 changed = true;
1614 }
1615
5e5282bb 1616 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1617 if (err < 0)
1618 goto failed;
1619
1620 if (changed)
1621 err = new_settings(hdev, sk);
1622
5e5282bb
JH		 1623 goto failed;
1624 }
1625
310a3d48
MH		 1626 /* If the current mode is the same, then just update the timeout
1627 * value with the new value. And if only the timeout gets updated,
1628 * then no need for any HCI transactions.
1629 */
1630 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) &&
1631 (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE,
1632 &hdev->dev_flags)) {
36261547
MH		 1633 cancel_delayed_work(&hdev->discov_off);
1634 hdev->discov_timeout = timeout;
955638ec 1635
36261547
MH		 1636 if (cp->val && hdev->discov_timeout > 0) {
1637 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1638 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1639 to);
955638ec
MH		 1640 }
1641
69ab39ea 1642 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1643 goto failed;
1644 }
1645
2e58ef3e 1646 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1647 if (!cmd) {
1648 err = -ENOMEM;
73f22f62 1649 goto failed;
366a0336 1650 }
73f22f62 1651
310a3d48
MH		 1652 /* Cancel any potential discoverable timeout that might be
1653 * still active and store new timeout value. The arming of
1654 * the timeout happens in the complete handler.
1655 */
1656 cancel_delayed_work(&hdev->discov_off);
1657 hdev->discov_timeout = timeout;
1658
b456f87c
JH		 1659 /* Limited discoverable mode */
1660 if (cp->val == 0x02)
1661 set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1662 else
1663 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1664
bfaf8c9f
JH		 1665 hci_req_init(&req, hdev);
1666
9a43e25f
JH		 1667 /* The procedure for LE-only controllers is much simpler - just
1668 * update the advertising data.
1669 */
1670 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1671 goto update_ad;
1672
73f22f62
JH		 1673 scan = SCAN_PAGE;
1674
310a3d48
MH		 1675 if (cp->val) {
1676 struct hci_cp_write_current_iac_lap hci_cp;
1677
1678 if (cp->val == 0x02) {
1679 /* Limited discoverable mode */
33337dcb 1680 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1681 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1682 hci_cp.iac_lap[1] = 0x8b;
1683 hci_cp.iac_lap[2] = 0x9e;
1684 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1685 hci_cp.iac_lap[4] = 0x8b;
1686 hci_cp.iac_lap[5] = 0x9e;
1687 } else {
1688 /* General discoverable mode */
310a3d48
MH		 1689 hci_cp.num_iac = 1;
1690 hci_cp.iac_lap[0] = 0x33; /* GIAC */
1691 hci_cp.iac_lap[1] = 0x8b;
1692 hci_cp.iac_lap[2] = 0x9e;
1693 }
1694
1695 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
1696 (hci_cp.num_iac * 3) + 1, &hci_cp);
1697
73f22f62 1698 scan |= SCAN_INQUIRY;
310a3d48
MH		 1699 } else {
1700 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1701 }
73f22f62 1702
310a3d48 1703 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 1704
9a43e25f
JH		 1705update_ad:
1706 update_adv_data(&req);
1707
bfaf8c9f 1708 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 1709 if (err < 0)
a664b5bc 1710 mgmt_pending_remove(cmd);
73f22f62
JH		 1711
1712failed:
09fd0de5 1713 hci_dev_unlock(hdev);
73f22f62
JH		 1714 return err;
1715}
1716
406d7804
JH		 1717static void write_fast_connectable(struct hci_request *req, bool enable)
1718{
bd98b996 1719 struct hci_dev *hdev = req->hdev;
406d7804
JH		 1720 struct hci_cp_write_page_scan_activity acp;
1721 u8 type;
1722
547003b1
JH		 1723 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1724 return;
1725
4c01f8b8
JH		 1726 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
1727 return;
1728
406d7804
JH		 1729 if (enable) {
1730 type = PAGE_SCAN_TYPE_INTERLACED;
1731
1732 /* 160 msec page scan interval */
dcf4adbf 1733 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 1734 } else {
1735 type = PAGE_SCAN_TYPE_STANDARD; /* default */
1736
1737 /* default 1.28 sec page scan */
dcf4adbf 1738 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 1739 }
1740
dcf4adbf 1741 acp.window = cpu_to_le16(0x0012);
406d7804 1742
bd98b996
JH		 1743 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
1744 __cpu_to_le16(hdev->page_scan_window) != acp.window)
1745 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
1746 sizeof(acp), &acp);
1747
1748 if (hdev->page_scan_type != type)
1749 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 1750}
1751
2b76f453
JH		 1752static void set_connectable_complete(struct hci_dev *hdev, u8 status)
1753{
1754 struct pending_cmd *cmd;
d7b856f9 1755 struct mgmt_mode *cp;
bc6d2d04 1756 bool conn_changed, discov_changed;
2b76f453
JH		 1757
1758 BT_DBG("status 0x%02x", status);
1759
1760 hci_dev_lock(hdev);
1761
1762 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1763 if (!cmd)
1764 goto unlock;
1765
37438c1f
JH		 1766 if (status) {
1767 u8 mgmt_err = mgmt_status(status);
1768 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1769 goto remove_cmd;
1770 }
1771
d7b856f9 1772 cp = cmd->param;
bc6d2d04
JH		 1773 if (cp->val) {
1774 conn_changed = !test_and_set_bit(HCI_CONNECTABLE,
1775 &hdev->dev_flags);
1776 discov_changed = false;
1777 } else {
1778 conn_changed = test_and_clear_bit(HCI_CONNECTABLE,
1779 &hdev->dev_flags);
1780 discov_changed = test_and_clear_bit(HCI_DISCOVERABLE,
1781 &hdev->dev_flags);
1782 }
d7b856f9 1783
2b76f453
JH		 1784 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1785
bc6d2d04 1786 if (conn_changed || discov_changed) {
d7b856f9 1787 new_settings(hdev, cmd->sk);
432df05e 1788 hci_update_page_scan(hdev, NULL);
bc6d2d04
JH		 1789 if (discov_changed)
1790 mgmt_update_adv_data(hdev);
2b7be33e
JH		 1791 hci_update_background_scan(hdev);
1792 }
d7b856f9 1793
37438c1f 1794remove_cmd:
2b76f453
JH		 1795 mgmt_pending_remove(cmd);
1796
1797unlock:
1798 hci_dev_unlock(hdev);
1799}
1800
e8ba3a1f
JH		 1801static int set_connectable_update_settings(struct hci_dev *hdev,
1802 struct sock *sk, u8 val)
1803{
1804 bool changed = false;
1805 int err;
1806
1807 if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
1808 changed = true;
1809
1810 if (val) {
1811 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1812 } else {
1813 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1814 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1815 }
1816
1817 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1818 if (err < 0)
1819 return err;
1820
562064e6 1821 if (changed) {
432df05e 1822 hci_update_page_scan(hdev, NULL);
562064e6 1823 hci_update_background_scan(hdev);
e8ba3a1f 1824 return new_settings(hdev, sk);
562064e6 1825 }
e8ba3a1f
JH		 1826
1827 return 0;
1828}
1829
bdb6d971 1830static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1831 u16 len)
9fbcbb45 1832{
650f726d 1833 struct mgmt_mode *cp = data;
366a0336 1834 struct pending_cmd *cmd;
2b76f453 1835 struct hci_request req;
1987fdc7 1836 u8 scan;
9fbcbb45
JH		 1837 int err;
1838
bdb6d971 1839 BT_DBG("request for %s", hdev->name);
9fbcbb45 1840
1987fdc7
JH		 1841 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1842 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1843 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1987fdc7 1844 MGMT_STATUS_REJECTED);
33c525c0 1845
a7e80f25
JH		 1846 if (cp->val != 0x00 && cp->val != 0x01)
1847 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1848 MGMT_STATUS_INVALID_PARAMS);
1849
09fd0de5 1850 hci_dev_lock(hdev);
9fbcbb45 1851
4b34ee78 1852 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1853 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1854 goto failed;
1855 }
1856
2e58ef3e 1857 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1858 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1859 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
04124681 1860 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1861 goto failed;
1862 }
1863
2e58ef3e 1864 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1865 if (!cmd) {
1866 err = -ENOMEM;
9fbcbb45 1867 goto failed;
366a0336 1868 }
9fbcbb45 1869
9b74246f 1870 hci_req_init(&req, hdev);
9fbcbb45 1871
9a43e25f
JH		 1872 /* If BR/EDR is not enabled and we disable advertising as a
1873 * by-product of disabling connectable, we need to update the
1874 * advertising flags.
1875 */
1876 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
1877 if (!cp->val) {
1878 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1879 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1880 }
1881 update_adv_data(&req);
1882 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 1883 if (cp->val) {
1884 scan = SCAN_PAGE;
1885 } else {
3bd27240
JH		 1886 /* If we don't have any whitelist entries just
1887 * disable all scanning. If there are entries
1888 * and we had both page and inquiry scanning
1889 * enabled then fall back to only page scanning.
1890 * Otherwise no changes are needed.
1891 */
1892 if (list_empty(&hdev->whitelist))
1893 scan = SCAN_DISABLED;
1894 else if (test_bit(HCI_ISCAN, &hdev->flags))
1895 scan = SCAN_PAGE;
1896 else
1897 goto no_scan_update;
9b74246f
JH		 1898
1899 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 1900 hdev->discov_timeout > 0)
9b74246f
JH		 1901 cancel_delayed_work(&hdev->discov_off);
1902 }
2b76f453 1903
9b74246f
JH		 1904 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1905 }
2b76f453 1906
3bd27240 1907no_scan_update:
4c01f8b8
JH		 1908 /* If we're going from non-connectable to connectable or
1909 * vice-versa when fast connectable is enabled ensure that fast
1910 * connectable gets disabled. write_fast_connectable won't do
1911 * anything if the page scan parameters are already what they
1912 * should be.
1913 */
1914 if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
e36a3769
JH		 1915 write_fast_connectable(&req, false);
1916
e8b1202c
JH		 1917 /* Update the advertising parameters if necessary */
1918 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
1987fdc7 1919 enable_advertising(&req);
1987fdc7 1920
2b76f453 1921 err = hci_req_run(&req, set_connectable_complete);
9b74246f 1922 if (err < 0) {
a664b5bc 1923 mgmt_pending_remove(cmd);
9b74246f 1924 if (err == -ENODATA)
a81070ba
JH		 1925 err = set_connectable_update_settings(hdev, sk,
1926 cp->val);
9b74246f
JH		 1927 goto failed;
1928 }
9fbcbb45
JH		 1929
1930failed:
09fd0de5 1931 hci_dev_unlock(hdev);
9fbcbb45
JH		 1932 return err;
1933}
1934
b2939475 1935static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1936 u16 len)
c542a06c 1937{
650f726d 1938 struct mgmt_mode *cp = data;
55594356 1939 bool changed;
c542a06c
JH		 1940 int err;
1941
bdb6d971 1942 BT_DBG("request for %s", hdev->name);
c542a06c 1943
a7e80f25 1944 if (cp->val != 0x00 && cp->val != 0x01)
b2939475 1945 return cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
a7e80f25
JH		 1946 MGMT_STATUS_INVALID_PARAMS);
1947
09fd0de5 1948 hci_dev_lock(hdev);
c542a06c
JH		 1949
1950 if (cp->val)
b6ae8457 1951 changed = !test_and_set_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1952 else
b6ae8457 1953 changed = test_and_clear_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1954
b2939475 1955 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 1956 if (err < 0)
55594356 1957 goto unlock;
c542a06c 1958
55594356
MH		 1959 if (changed)
1960 err = new_settings(hdev, sk);
c542a06c 1961
55594356 1962unlock:
09fd0de5 1963 hci_dev_unlock(hdev);
c542a06c
JH		 1964 return err;
1965}
1966
04124681
GP		 1967static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1968 u16 len)
33ef95ed
JH		 1969{
1970 struct mgmt_mode *cp = data;
1971 struct pending_cmd *cmd;
e6fe7986 1972 u8 val, status;
33ef95ed
JH		 1973 int err;
1974
bdb6d971 1975 BT_DBG("request for %s", hdev->name);
33ef95ed 1976
e6fe7986
JH		 1977 status = mgmt_bredr_support(hdev);
1978 if (status)
33c525c0 1979 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
e6fe7986 1980 status);
33c525c0 1981
a7e80f25
JH		 1982 if (cp->val != 0x00 && cp->val != 0x01)
1983 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1984 MGMT_STATUS_INVALID_PARAMS);
1985
33ef95ed
JH		 1986 hci_dev_lock(hdev);
1987
4b34ee78 1988 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1989 bool changed = false;
1990
1991 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
8ce8e2b5 1992 &hdev->dev_flags)) {
47990ea0
JH		 1993 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1994 changed = true;
1995 }
1996
1997 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1998 if (err < 0)
1999 goto failed;
2000
2001 if (changed)
2002 err = new_settings(hdev, sk);
2003
33ef95ed
JH		 2004 goto failed;
2005 }
2006
2007 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
bdb6d971 2008 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
04124681 2009 MGMT_STATUS_BUSY);
33ef95ed
JH		 2010 goto failed;
2011 }
2012
2013 val = !!cp->val;
2014
2015 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2016 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2017 goto failed;
2018 }
2019
2020 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2021 if (!cmd) {
2022 err = -ENOMEM;
2023 goto failed;
2024 }
2025
2026 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2027 if (err < 0) {
2028 mgmt_pending_remove(cmd);
2029 goto failed;
2030 }
2031
2032failed:
2033 hci_dev_unlock(hdev);
33ef95ed
JH		 2034 return err;
2035}
2036
bdb6d971 2037static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2038{
2039 struct mgmt_mode *cp = data;
2040 struct pending_cmd *cmd;
72ef0c1a 2041 u8 status;
ed2c4ee3
JH		 2042 int err;
2043
bdb6d971 2044 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2045
cdba5281
MH		 2046 status = mgmt_bredr_support(hdev);
2047 if (status)
2048 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
2049
13ecd8b6
JH		 2050 if (!lmp_ssp_capable(hdev))
2051 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2052 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2053
a7e80f25
JH		 2054 if (cp->val != 0x00 && cp->val != 0x01)
2055 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2056 MGMT_STATUS_INVALID_PARAMS);
2057
13ecd8b6 2058 hci_dev_lock(hdev);
6c8f12c1 2059
4b34ee78 2060 if (!hdev_is_powered(hdev)) {
9ecb3e24 2061 bool changed;
c0ecddc2 2062
9ecb3e24
MH		 2063 if (cp->val) {
2064 changed = !test_and_set_bit(HCI_SSP_ENABLED,
2065 &hdev->dev_flags);
2066 } else {
2067 changed = test_and_clear_bit(HCI_SSP_ENABLED,
2068 &hdev->dev_flags);
2069 if (!changed)
2070 changed = test_and_clear_bit(HCI_HS_ENABLED,
2071 &hdev->dev_flags);
2072 else
2073 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
c0ecddc2
JH		 2074 }
2075
2076 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2077 if (err < 0)
2078 goto failed;
2079
2080 if (changed)
2081 err = new_settings(hdev, sk);
2082
ed2c4ee3
JH		 2083 goto failed;
2084 }
2085
9ecb3e24
MH		 2086 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) ||
2087 mgmt_pending_find(MGMT_OP_SET_HS, hdev)) {
d97dcb66
SJ		 2088 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2089 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2090 goto failed;
2091 }
2092
72ef0c1a 2093 if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
ed2c4ee3
JH		 2094 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2095 goto failed;
2096 }
2097
2098 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2099 if (!cmd) {
2100 err = -ENOMEM;
2101 goto failed;
2102 }
2103
3769972b
JH		 2104 if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
2105 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2106 sizeof(cp->val), &cp->val);
2107
72ef0c1a 2108 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2109 if (err < 0) {
2110 mgmt_pending_remove(cmd);
2111 goto failed;
2112 }
2113
2114failed:
2115 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2116 return err;
2117}
2118
bdb6d971 2119static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2120{
2121 struct mgmt_mode *cp = data;
ee392693 2122 bool changed;
e6fe7986 2123 u8 status;
ee392693 2124 int err;
6d80dfd0 2125
bdb6d971 2126 BT_DBG("request for %s", hdev->name);
6d80dfd0 2127
e6fe7986
JH		 2128 status = mgmt_bredr_support(hdev);
2129 if (status)
2130 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2131
9ecb3e24
MH		 2132 if (!lmp_ssp_capable(hdev))
2133 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2134 MGMT_STATUS_NOT_SUPPORTED);
2135
2136 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
2137 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2138 MGMT_STATUS_REJECTED);
2139
a7e80f25
JH		 2140 if (cp->val != 0x00 && cp->val != 0x01)
2141 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2142 MGMT_STATUS_INVALID_PARAMS);
2143
ee392693
MH		 2144 hci_dev_lock(hdev);
2145
a0cdf960 2146 if (cp->val) {
ee392693 2147 changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960
MH		 2148 } else {
2149 if (hdev_is_powered(hdev)) {
2150 err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2151 MGMT_STATUS_REJECTED);
2152 goto unlock;
2153 }
2154
ee392693 2155 changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960 2156 }
ee392693
MH		 2157
2158 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2159 if (err < 0)
2160 goto unlock;
2161
2162 if (changed)
2163 err = new_settings(hdev, sk);
6d80dfd0 2164
ee392693
MH		 2165unlock:
2166 hci_dev_unlock(hdev);
2167 return err;
6d80dfd0
JH		 2168}
2169
416a4ae5
JH		 2170static void le_enable_complete(struct hci_dev *hdev, u8 status)
2171{
2172 struct cmd_lookup match = { NULL, hdev };
2173
2174 if (status) {
2175 u8 mgmt_err = mgmt_status(status);
2176
2177 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2178 &mgmt_err);
2179 return;
2180 }
2181
2182 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2183
2184 new_settings(hdev, match.sk);
2185
2186 if (match.sk)
2187 sock_put(match.sk);
441ad2d0
MH		 2188
2189 /* Make sure the controller has a good default for
2190 * advertising data. Restrict the update to when LE
2191 * has actually been enabled. During power on, the
2192 * update in powered_update_hci will take care of it.
2193 */
2194 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2195 struct hci_request req;
2196
2197 hci_dev_lock(hdev);
2198
2199 hci_req_init(&req, hdev);
5947f4bc 2200 update_adv_data(&req);
f14d8f64 2201 update_scan_rsp_data(&req);
441ad2d0
MH		 2202 hci_req_run(&req, NULL);
2203
a70f4b5f
JH		 2204 hci_update_background_scan(hdev);
2205
441ad2d0
MH		 2206 hci_dev_unlock(hdev);
2207 }
416a4ae5
JH		 2208}
2209
bdb6d971 2210static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2211{
2212 struct mgmt_mode *cp = data;
2213 struct hci_cp_write_le_host_supported hci_cp;
2214 struct pending_cmd *cmd;
416a4ae5 2215 struct hci_request req;
06199cf8 2216 int err;
0b60eba1 2217 u8 val, enabled;
06199cf8 2218
bdb6d971 2219 BT_DBG("request for %s", hdev->name);
06199cf8 2220
13ecd8b6
JH		 2221 if (!lmp_le_capable(hdev))
2222 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2223 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2224
a7e80f25
JH		 2225 if (cp->val != 0x00 && cp->val != 0x01)
2226 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2227 MGMT_STATUS_INVALID_PARAMS);
2228
c73eee91 2229 /* LE-only devices do not allow toggling LE on/off */
56f87901 2230 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
c73eee91
JH		 2231 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2232 MGMT_STATUS_REJECTED);
2233
13ecd8b6 2234 hci_dev_lock(hdev);
06199cf8
JH		 2235
2236 val = !!cp->val;
ffa88e02 2237 enabled = lmp_host_le_capable(hdev);
06199cf8 2238
0b60eba1 2239 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2240 bool changed = false;
2241
2242 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2243 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
2244 changed = true;
2245 }
2246
f3d3444a
JH		 2247 if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
2248 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
eeca6f89
JH		 2249 changed = true;
2250 }
2251
06199cf8
JH		 2252 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2253 if (err < 0)
1de028ce 2254 goto unlock;
06199cf8
JH		 2255
2256 if (changed)
2257 err = new_settings(hdev, sk);
2258
1de028ce 2259 goto unlock;
06199cf8
JH		 2260 }
2261
4375f103
JH		 2262 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) ||
2263 mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
bdb6d971 2264 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
04124681 2265 MGMT_STATUS_BUSY);
1de028ce 2266 goto unlock;
06199cf8
JH		 2267 }
2268
2269 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2270 if (!cmd) {
2271 err = -ENOMEM;
1de028ce 2272 goto unlock;
06199cf8
JH		 2273 }
2274
441ad2d0
MH		 2275 hci_req_init(&req, hdev);
2276
06199cf8
JH		 2277 memset(&hci_cp, 0, sizeof(hci_cp));
2278
2279 if (val) {
2280 hci_cp.le = val;
32226e4f 2281 hci_cp.simul = 0x00;
441ad2d0 2282 } else {
73e082f8 2283 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
441ad2d0 2284 disable_advertising(&req);
06199cf8
JH		 2285 }
2286
416a4ae5
JH		 2287 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2288 &hci_cp);
2289
2290 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2291 if (err < 0)
06199cf8 2292 mgmt_pending_remove(cmd);
06199cf8 2293
1de028ce
JH		 2294unlock:
2295 hci_dev_unlock(hdev);
06199cf8
JH		 2296 return err;
2297}
2298
0cab9c80
JH		 2299/* This is a helper function to test for pending mgmt commands that can
2300 * cause CoD or EIR HCI commands. We can only allow one such pending
2301 * mgmt command at a time since otherwise we cannot easily track what
2302 * the current values are, will be, and based on that calculate if a new
2303 * HCI command needs to be sent and if yes with what value.
2304 */
2305static bool pending_eir_or_class(struct hci_dev *hdev)
2306{
2307 struct pending_cmd *cmd;
2308
2309 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2310 switch (cmd->opcode) {
2311 case MGMT_OP_ADD_UUID:
2312 case MGMT_OP_REMOVE_UUID:
2313 case MGMT_OP_SET_DEV_CLASS:
2314 case MGMT_OP_SET_POWERED:
2315 return true;
2316 }
2317 }
2318
2319 return false;
2320}
2321
83be8eca
JH		 2322static const u8 bluetooth_base_uuid[] = {
2323 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2324 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2325};
2326
2327static u8 get_uuid_size(const u8 *uuid)
2328{
2329 u32 val;
2330
2331 if (memcmp(uuid, bluetooth_base_uuid, 12))
2332 return 128;
2333
2334 val = get_unaligned_le32(&uuid[12]);
2335 if (val > 0xffff)
2336 return 32;
2337
2338 return 16;
2339}
2340
92da6097
JH		 2341static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2342{
2343 struct pending_cmd *cmd;
2344
2345 hci_dev_lock(hdev);
2346
2347 cmd = mgmt_pending_find(mgmt_op, hdev);
2348 if (!cmd)
2349 goto unlock;
2350
2351 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
2352 hdev->dev_class, 3);
2353
2354 mgmt_pending_remove(cmd);
2355
2356unlock:
2357 hci_dev_unlock(hdev);
2358}
2359
2360static void add_uuid_complete(struct hci_dev *hdev, u8 status)
2361{
2362 BT_DBG("status 0x%02x", status);
2363
2364 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2365}
2366
bdb6d971 2367static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2368{
650f726d 2369 struct mgmt_cp_add_uuid *cp = data;
90e70454 2370 struct pending_cmd *cmd;
890ea898 2371 struct hci_request req;
2aeb9a1a 2372 struct bt_uuid *uuid;
2aeb9a1a
JH		 2373 int err;
2374
bdb6d971 2375 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2376
09fd0de5 2377 hci_dev_lock(hdev);
2aeb9a1a 2378
0cab9c80 2379 if (pending_eir_or_class(hdev)) {
bdb6d971 2380 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
04124681 2381 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2382 goto failed;
2383 }
2384
92c4c204 2385 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2386 if (!uuid) {
2387 err = -ENOMEM;
2388 goto failed;
2389 }
2390
2391 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2392 uuid->svc_hint = cp->svc_hint;
83be8eca 2393 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2394
de66aa63 2395 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2396
890ea898 2397 hci_req_init(&req, hdev);
1aff6f09 2398
890ea898
JH		 2399 update_class(&req);
2400 update_eir(&req);
2401
92da6097
JH		 2402 err = hci_req_run(&req, add_uuid_complete);
2403 if (err < 0) {
2404 if (err != -ENODATA)
2405 goto failed;
80a1e1db 2406
bdb6d971 2407 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
04124681 2408 hdev->dev_class, 3);
90e70454
JH		 2409 goto failed;
2410 }
2411
2412 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2413 if (!cmd) {
90e70454 2414 err = -ENOMEM;
890ea898
JH		 2415 goto failed;
2416 }
2417
2418 err = 0;
2aeb9a1a
JH		 2419
2420failed:
09fd0de5 2421 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2422 return err;
2423}
2424
24b78d0f
JH		 2425static bool enable_service_cache(struct hci_dev *hdev)
2426{
2427 if (!hdev_is_powered(hdev))
2428 return false;
2429
2430 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
46818ed5
JH		 2431 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2432 CACHE_TIMEOUT);
24b78d0f
JH		 2433 return true;
2434 }
2435
2436 return false;
2437}
2438
92da6097
JH		 2439static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
2440{
2441 BT_DBG("status 0x%02x", status);
2442
2443 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2444}
2445
bdb6d971 2446static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2447 u16 len)
2aeb9a1a 2448{
650f726d 2449 struct mgmt_cp_remove_uuid *cp = data;
90e70454 2450 struct pending_cmd *cmd;
056341c8 2451 struct bt_uuid *match, *tmp;
2aeb9a1a 2452 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2453 struct hci_request req;
2aeb9a1a
JH		 2454 int err, found;
2455
bdb6d971 2456 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2457
09fd0de5 2458 hci_dev_lock(hdev);
2aeb9a1a 2459
0cab9c80 2460 if (pending_eir_or_class(hdev)) {
bdb6d971 2461 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2462 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2463 goto unlock;
2464 }
2465
2aeb9a1a 2466 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2467 hci_uuids_clear(hdev);
4004b6d9 2468
24b78d0f 2469 if (enable_service_cache(hdev)) {
bdb6d971 2470 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2471 0, hdev->dev_class, 3);
24b78d0f
JH		 2472 goto unlock;
2473 }
4004b6d9 2474
9246a869 2475 goto update_class;
2aeb9a1a
JH		 2476 }
2477
2478 found = 0;
2479
056341c8 2480 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2481 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2482 continue;
2483
2484 list_del(&match->list);
482049f7 2485 kfree(match);
2aeb9a1a
JH		 2486 found++;
2487 }
2488
2489 if (found == 0) {
bdb6d971 2490 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2491 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2492 goto unlock;
2493 }
2494
9246a869 2495update_class:
890ea898 2496 hci_req_init(&req, hdev);
1aff6f09 2497
890ea898
JH		 2498 update_class(&req);
2499 update_eir(&req);
2500
92da6097
JH		 2501 err = hci_req_run(&req, remove_uuid_complete);
2502 if (err < 0) {
2503 if (err != -ENODATA)
2504 goto unlock;
80a1e1db 2505
bdb6d971 2506 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
04124681 2507 hdev->dev_class, 3);
90e70454
JH		 2508 goto unlock;
2509 }
2510
2511 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2512 if (!cmd) {
90e70454 2513 err = -ENOMEM;
890ea898
JH		 2514 goto unlock;
2515 }
2516
2517 err = 0;
2aeb9a1a
JH		 2518
2519unlock:
09fd0de5 2520 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2521 return err;
2522}
2523
92da6097
JH		 2524static void set_class_complete(struct hci_dev *hdev, u8 status)
2525{
2526 BT_DBG("status 0x%02x", status);
2527
2528 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2529}
2530
bdb6d971 2531static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2532 u16 len)
1aff6f09 2533{
650f726d 2534 struct mgmt_cp_set_dev_class *cp = data;
90e70454 2535 struct pending_cmd *cmd;
890ea898 2536 struct hci_request req;
1aff6f09
JH		 2537 int err;
2538
bdb6d971 2539 BT_DBG("request for %s", hdev->name);
1aff6f09 2540
6203fc98 2541 if (!lmp_bredr_capable(hdev))
13ecd8b6
JH		 2542 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2543 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2544
0cab9c80 2545 hci_dev_lock(hdev);
ee98f473 2546
0cab9c80
JH		 2547 if (pending_eir_or_class(hdev)) {
2548 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2549 MGMT_STATUS_BUSY);
2550 goto unlock;
2551 }
c95f0ba7 2552
0cab9c80
JH		 2553 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2554 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2555 MGMT_STATUS_INVALID_PARAMS);
2556 goto unlock;
2557 }
575b3a02 2558
932f5ff5
JH		 2559 hdev->major_class = cp->major;
2560 hdev->minor_class = cp->minor;
2561
b5235a65 2562 if (!hdev_is_powered(hdev)) {
bdb6d971 2563 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2564 hdev->dev_class, 3);
b5235a65
JH		 2565 goto unlock;
2566 }
2567
890ea898
JH		 2568 hci_req_init(&req, hdev);
2569
a8b2d5c2 2570 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
7d78525d
JH		 2571 hci_dev_unlock(hdev);
2572 cancel_delayed_work_sync(&hdev->service_cache);
2573 hci_dev_lock(hdev);
890ea898 2574 update_eir(&req);
7d78525d 2575 }
14c0b608 2576
890ea898
JH		 2577 update_class(&req);
2578
92da6097
JH		 2579 err = hci_req_run(&req, set_class_complete);
2580 if (err < 0) {
2581 if (err != -ENODATA)
2582 goto unlock;
1aff6f09 2583
bdb6d971 2584 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2585 hdev->dev_class, 3);
90e70454
JH		 2586 goto unlock;
2587 }
2588
2589 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2590 if (!cmd) {
90e70454 2591 err = -ENOMEM;
890ea898
JH		 2592 goto unlock;
2593 }
2594
2595 err = 0;
1aff6f09 2596
b5235a65 2597unlock:
09fd0de5 2598 hci_dev_unlock(hdev);
1aff6f09
JH		 2599 return err;
2600}
2601
bdb6d971 2602static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2603 u16 len)
55ed8ca1 2604{
650f726d 2605 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2606 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2607 sizeof(struct mgmt_link_key_info));
4e51eae9 2608 u16 key_count, expected_len;
b1de97d8 2609 bool changed;
a492cd52 2610 int i;
55ed8ca1 2611
9060d5cf
MH		 2612 BT_DBG("request for %s", hdev->name);
2613
2614 if (!lmp_bredr_capable(hdev))
2615 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2616 MGMT_STATUS_NOT_SUPPORTED);
2617
1f350c87 2618 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2619 if (key_count > max_key_count) {
2620 BT_ERR("load_link_keys: too big key_count value %u",
2621 key_count);
2622 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2623 MGMT_STATUS_INVALID_PARAMS);
2624 }
55ed8ca1 2625
86742e1e
JH		 2626 expected_len = sizeof(*cp) + key_count *
2627 sizeof(struct mgmt_link_key_info);
a492cd52 2628 if (expected_len != len) {
86742e1e 2629 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2630 expected_len, len);
bdb6d971 2631 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
04124681 2632 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2633 }
2634
4ae14301
JH		 2635 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2636 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2637 MGMT_STATUS_INVALID_PARAMS);
2638
bdb6d971 2639 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2640 key_count);
55ed8ca1 2641
4ee71b20
JH		 2642 for (i = 0; i < key_count; i++) {
2643 struct mgmt_link_key_info *key = &cp->keys[i];
2644
8e991132 2645 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
4ee71b20
JH		 2646 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2647 MGMT_STATUS_INVALID_PARAMS);
2648 }
2649
09fd0de5 2650 hci_dev_lock(hdev);
55ed8ca1
JH		 2651
2652 hci_link_keys_clear(hdev);
2653
55ed8ca1 2654 if (cp->debug_keys)
0663b297
JH		 2655 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
2656 &hdev->dev_flags);
55ed8ca1 2657 else
0663b297
JH		 2658 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
2659 &hdev->dev_flags);
b1de97d8
MH		 2660
2661 if (changed)
2662 new_settings(hdev, NULL);
55ed8ca1 2663
a492cd52 2664 for (i = 0; i < key_count; i++) {
86742e1e 2665 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2666
58e9293c
JH		 2667 /* Always ignore debug keys and require a new pairing if
2668 * the user wants to use them.
2669 */
2670 if (key->type == HCI_LK_DEBUG_COMBINATION)
2671 continue;
2672
7652ff6a
JH		 2673 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2674 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2675 }
2676
bdb6d971 2677 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2678
09fd0de5 2679 hci_dev_unlock(hdev);
55ed8ca1 2680
a492cd52 2681 return 0;
55ed8ca1
JH		 2682}
2683
b1078ad0 2684static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2685 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2686{
2687 struct mgmt_ev_device_unpaired ev;
2688
2689 bacpy(&ev.addr.bdaddr, bdaddr);
2690 ev.addr.type = addr_type;
2691
2692 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2693 skip_sk);
b1078ad0
JH		 2694}
2695
bdb6d971 2696static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2697 u16 len)
55ed8ca1 2698{
124f6e35
JH		 2699 struct mgmt_cp_unpair_device *cp = data;
2700 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 2701 struct hci_cp_disconnect dc;
2702 struct pending_cmd *cmd;
55ed8ca1 2703 struct hci_conn *conn;
55ed8ca1
JH		 2704 int err;
2705
a8a1d19e 2706 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2707 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2708 rp.addr.type = cp->addr.type;
a8a1d19e 2709
4ee71b20
JH		 2710 if (!bdaddr_type_is_valid(cp->addr.type))
2711 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2712 MGMT_STATUS_INVALID_PARAMS,
2713 &rp, sizeof(rp));
2714
118da70b
JH		 2715 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2716 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2717 MGMT_STATUS_INVALID_PARAMS,
2718 &rp, sizeof(rp));
2719
4ee71b20
JH		 2720 hci_dev_lock(hdev);
2721
86a8cfc6 2722 if (!hdev_is_powered(hdev)) {
bdb6d971 2723 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2724 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
86a8cfc6
JH		 2725 goto unlock;
2726 }
2727
e0b2b27e 2728 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 2729 /* If disconnection is requested, then look up the
2730 * connection. If the remote device is connected, it
2731 * will be later used to terminate the link.
2732 *
2733 * Setting it to NULL explicitly will cause no
2734 * termination of the link.
2735 */
2736 if (cp->disconnect)
2737 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2738 &cp->addr.bdaddr);
2739 else
2740 conn = NULL;
2741
124f6e35 2742 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 2743 } else {
2744 u8 addr_type;
2745
89cbb063
AA		 2746 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
2747 &cp->addr.bdaddr);
2748 if (conn) {
2749 /* Defer clearing up the connection parameters
2750 * until closing to give a chance of keeping
2751 * them if a repairing happens.
2752 */
2753 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
2754
2755 /* If disconnection is not requested, then
2756 * clear the connection variable so that the
2757 * link is not terminated.
2758 */
2759 if (!cp->disconnect)
2760 conn = NULL;
2761 }
2762
e0b2b27e
JH		 2763 if (cp->addr.type == BDADDR_LE_PUBLIC)
2764 addr_type = ADDR_LE_DEV_PUBLIC;
2765 else
2766 addr_type = ADDR_LE_DEV_RANDOM;
2767
a7ec7338
JH		 2768 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2769
e0b2b27e
JH		 2770 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2771 }
b0dbfb46 2772
55ed8ca1 2773 if (err < 0) {
bdb6d971 2774 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2775 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH		 2776 goto unlock;
2777 }
2778
89cbb063
AA		 2779 /* If the connection variable is set, then termination of the
2780 * link is requested.
2781 */
a8a1d19e 2782 if (!conn) {
bdb6d971 2783 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 2784 &rp, sizeof(rp));
b1078ad0 2785 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2786 goto unlock;
2787 }
55ed8ca1 2788
124f6e35 2789 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2790 sizeof(*cp));
a8a1d19e
JH		 2791 if (!cmd) {
2792 err = -ENOMEM;
2793 goto unlock;
55ed8ca1
JH		 2794 }
2795
eb55ef07 2796 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 2797 dc.reason = 0x13; /* Remote User Terminated Connection */
2798 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2799 if (err < 0)
2800 mgmt_pending_remove(cmd);
2801
55ed8ca1 2802unlock:
09fd0de5 2803 hci_dev_unlock(hdev);
55ed8ca1
JH		 2804 return err;
2805}
2806
bdb6d971 2807static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2808 u16 len)
8962ee74 2809{
650f726d 2810 struct mgmt_cp_disconnect *cp = data;
06a63b19 2811 struct mgmt_rp_disconnect rp;
366a0336 2812 struct pending_cmd *cmd;
8962ee74 2813 struct hci_conn *conn;
8962ee74
JH		 2814 int err;
2815
2816 BT_DBG("");
2817
06a63b19
JH		 2818 memset(&rp, 0, sizeof(rp));
2819 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2820 rp.addr.type = cp->addr.type;
2821
4ee71b20 2822 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH		 2823 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2824 MGMT_STATUS_INVALID_PARAMS,
2825 &rp, sizeof(rp));
4ee71b20 2826
09fd0de5 2827 hci_dev_lock(hdev);
8962ee74
JH		 2828
2829 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH		 2830 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2831 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH		 2832 goto failed;
2833 }
2834
2e58ef3e 2835 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH		 2836 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2837 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2838 goto failed;
2839 }
2840
591f47f3 2841 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2842 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2843 &cp->addr.bdaddr);
88c3df13
JH		 2844 else
2845 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 2846
f960727e 2847 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH		 2848 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2849 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH		 2850 goto failed;
2851 }
2852
2e58ef3e 2853 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2854 if (!cmd) {
2855 err = -ENOMEM;
8962ee74 2856 goto failed;
366a0336 2857 }
8962ee74 2858
e3f2f92a 2859 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 2860 if (err < 0)
a664b5bc 2861 mgmt_pending_remove(cmd);
8962ee74
JH		 2862
2863failed:
09fd0de5 2864 hci_dev_unlock(hdev);
8962ee74
JH		 2865 return err;
2866}
2867
57c1477c 2868static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2869{
2870 switch (link_type) {
2871 case LE_LINK:
48264f06
JH		 2872 switch (addr_type) {
2873 case ADDR_LE_DEV_PUBLIC:
591f47f3 2874 return BDADDR_LE_PUBLIC;
0ed09148 2875
48264f06 2876 default:
0ed09148 2877 /* Fallback to LE Random address type */
591f47f3 2878 return BDADDR_LE_RANDOM;
48264f06 2879 }
0ed09148 2880
4c659c39 2881 default:
0ed09148 2882 /* Fallback to BR/EDR type */
591f47f3 2883 return BDADDR_BREDR;
4c659c39
JH		 2884 }
2885}
2886
04124681
GP		 2887static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2888 u16 data_len)
2784eb41 2889{
2784eb41 2890 struct mgmt_rp_get_connections *rp;
8035ded4 2891 struct hci_conn *c;
a38528f1 2892 size_t rp_len;
60fc5fb6
JH		 2893 int err;
2894 u16 i;
2784eb41
JH		 2895
2896 BT_DBG("");
2897
09fd0de5 2898 hci_dev_lock(hdev);
2784eb41 2899
5f97c1df 2900 if (!hdev_is_powered(hdev)) {
bdb6d971 2901 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 2902 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2903 goto unlock;
2904 }
2905
60fc5fb6 2906 i = 0;
b644ba33
JH		 2907 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2908 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2909 i++;
2784eb41
JH		 2910 }
2911
60fc5fb6 2912 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2913 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2914 if (!rp) {
2784eb41
JH		 2915 err = -ENOMEM;
2916 goto unlock;
2917 }
2918
2784eb41 2919 i = 0;
4c659c39 2920 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2921 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2922 continue;
4c659c39 2923 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2924 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2925 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2926 continue;
2927 i++;
2928 }
2929
eb55ef07 2930 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2931
4c659c39
JH		 2932 /* Recalculate length in case of filtered SCO connections, etc */
2933 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2934
bdb6d971 2935 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 2936 rp_len);
2784eb41 2937
a38528f1 2938 kfree(rp);
5f97c1df
JH		 2939
2940unlock:
09fd0de5 2941 hci_dev_unlock(hdev);
2784eb41
JH		 2942 return err;
2943}
2944
bdb6d971 2945static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2946 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR		 2947{
2948 struct pending_cmd *cmd;
2949 int err;
2950
2e58ef3e 2951 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2952 sizeof(*cp));
96d97a67
WR		 2953 if (!cmd)
2954 return -ENOMEM;
2955
d8457698 2956 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2957 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2958 if (err < 0)
2959 mgmt_pending_remove(cmd);
2960
2961 return err;
2962}
2963
bdb6d971 2964static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2965 u16 len)
980e1a53 2966{
96d97a67 2967 struct hci_conn *conn;
650f726d 2968 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2969 struct hci_cp_pin_code_reply reply;
366a0336 2970 struct pending_cmd *cmd;
980e1a53
JH		 2971 int err;
2972
2973 BT_DBG("");
2974
09fd0de5 2975 hci_dev_lock(hdev);
980e1a53 2976
4b34ee78 2977 if (!hdev_is_powered(hdev)) {
bdb6d971 2978 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2979 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2980 goto failed;
2981 }
2982
d8457698 2983 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2984 if (!conn) {
bdb6d971 2985 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2986 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2987 goto failed;
2988 }
2989
2990 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2991 struct mgmt_cp_pin_code_neg_reply ncp;
2992
2993 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2994
2995 BT_ERR("PIN code is not 16 bytes long");
2996
bdb6d971 2997 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2998 if (err >= 0)
bdb6d971 2999 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 3000 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 3001
3002 goto failed;
3003 }
3004
00abfe44 3005 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 3006 if (!cmd) {
3007 err = -ENOMEM;
980e1a53 3008 goto failed;
366a0336 3009 }
980e1a53 3010
d8457698 3011 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 3012 reply.pin_len = cp->pin_len;
24718ca5 3013 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 3014
3015 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3016 if (err < 0)
a664b5bc 3017 mgmt_pending_remove(cmd);
980e1a53
JH		 3018
3019failed:
09fd0de5 3020 hci_dev_unlock(hdev);
980e1a53
JH		 3021 return err;
3022}
3023
04124681
GP		 3024static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3025 u16 len)
17fa4b9d 3026{
650f726d 3027 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3028
3029 BT_DBG("");
3030
4ec86d4c
JH		 3031 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
3032 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3033 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
3034
09fd0de5 3035 hci_dev_lock(hdev);
17fa4b9d
JH		 3036
3037 hdev->io_capability = cp->io_capability;
3038
3039 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3040 hdev->io_capability);
17fa4b9d 3041
09fd0de5 3042 hci_dev_unlock(hdev);
17fa4b9d 3043
04124681
GP		 3044 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
3045 0);
17fa4b9d
JH		 3046}
3047
6039aa73 3048static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3049{
3050 struct hci_dev *hdev = conn->hdev;
8035ded4 3051 struct pending_cmd *cmd;
e9a416b5 3052
2e58ef3e 3053 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3054 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3055 continue;
3056
e9a416b5
JH		 3057 if (cmd->user_data != conn)
3058 continue;
3059
3060 return cmd;
3061 }
3062
3063 return NULL;
3064}
3065
3066static void pairing_complete(struct pending_cmd *cmd, u8 status)
3067{
3068 struct mgmt_rp_pair_device rp;
3069 struct hci_conn *conn = cmd->user_data;
3070
61b1a7fb
JH		 3071 bacpy(&rp.addr.bdaddr, &conn->dst);
3072 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3073
aee9b218 3074 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 3075 &rp, sizeof(rp));
e9a416b5
JH		 3076
3077 /* So we don't get further callbacks for this connection */
3078 conn->connect_cfm_cb = NULL;
3079 conn->security_cfm_cb = NULL;
3080 conn->disconn_cfm_cb = NULL;
3081
76a68ba0 3082 hci_conn_drop(conn);
f8aaf9b6 3083 hci_conn_put(conn);
e9a416b5 3084
a664b5bc 3085 mgmt_pending_remove(cmd);
89cbb063
AA		 3086
3087 /* The device is paired so there is no need to remove
3088 * its connection parameters anymore.
3089 */
3090 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
e9a416b5
JH		 3091}
3092
f4a407be
JH		 3093void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3094{
3095 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3096 struct pending_cmd *cmd;
3097
3098 cmd = find_pairing(conn);
3099 if (cmd)
3100 pairing_complete(cmd, status);
3101}
3102
e9a416b5
JH		 3103static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3104{
3105 struct pending_cmd *cmd;
3106
3107 BT_DBG("status %u", status);
3108
3109 cmd = find_pairing(conn);
56e5cb86 3110 if (!cmd)
e9a416b5 3111 BT_DBG("Unable to find a pending command");
56e5cb86 3112 else
e211326c 3113 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH		 3114}
3115
f4a407be 3116static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739
VA		 3117{
3118 struct pending_cmd *cmd;
3119
3120 BT_DBG("status %u", status);
3121
3122 if (!status)
3123 return;
3124
3125 cmd = find_pairing(conn);
3126 if (!cmd)
3127 BT_DBG("Unable to find a pending command");
3128 else
3129 pairing_complete(cmd, mgmt_status(status));
3130}
3131
bdb6d971 3132static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3133 u16 len)
e9a416b5 3134{
650f726d 3135 struct mgmt_cp_pair_device *cp = data;
1425acb7 3136 struct mgmt_rp_pair_device rp;
e9a416b5
JH		 3137 struct pending_cmd *cmd;
3138 u8 sec_level, auth_type;
3139 struct hci_conn *conn;
e9a416b5
JH		 3140 int err;
3141
3142 BT_DBG("");
3143
f950a30e
SJ		 3144 memset(&rp, 0, sizeof(rp));
3145 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3146 rp.addr.type = cp->addr.type;
3147
4ee71b20
JH		 3148 if (!bdaddr_type_is_valid(cp->addr.type))
3149 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3150 MGMT_STATUS_INVALID_PARAMS,
3151 &rp, sizeof(rp));
3152
4ec86d4c
JH		 3153 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
3154 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3155 MGMT_STATUS_INVALID_PARAMS,
3156 &rp, sizeof(rp));
3157
09fd0de5 3158 hci_dev_lock(hdev);
e9a416b5 3159
5f97c1df 3160 if (!hdev_is_powered(hdev)) {
f950a30e
SJ		 3161 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3162 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH		 3163 goto unlock;
3164 }
3165
c908df36 3166 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3167 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3168
6f77d8c7 3169 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3170 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3171 auth_type);
6f77d8c7
AG		 3172 } else {
3173 u8 addr_type;
3174
3175 /* Convert from L2CAP channel address type to HCI address type
3176 */
3177 if (cp->addr.type == BDADDR_LE_PUBLIC)
3178 addr_type = ADDR_LE_DEV_PUBLIC;
3179 else
3180 addr_type = ADDR_LE_DEV_RANDOM;
3181
7c264b10
MH		 3182 /* When pairing a new device, it is expected to remember
3183 * this device for future connections. Adding the connection
3184 * parameter information ahead of time allows tracking
3185 * of the slave preferred values and will speed up any
3186 * further connection establishment.
3187 *
3188 * If connection parameters already exist, then they
3189 * will be kept and this function does nothing.
3190 */
3191 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3192
6f77d8c7 3193 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
e804d25d
JH		 3194 sec_level, HCI_LE_CONN_TIMEOUT,
3195 HCI_ROLE_MASTER);
6f77d8c7 3196 }
7a512d01 3197
30e76272 3198 if (IS_ERR(conn)) {
489dc48e
AK		 3199 int status;
3200
3201 if (PTR_ERR(conn) == -EBUSY)
3202 status = MGMT_STATUS_BUSY;
3203 else
3204 status = MGMT_STATUS_CONNECT_FAILED;
3205
bdb6d971 3206 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 3207 status, &rp,
04124681 3208 sizeof(rp));
e9a416b5
JH		 3209 goto unlock;
3210 }
3211
3212 if (conn->connect_cfm_cb) {
76a68ba0 3213 hci_conn_drop(conn);
bdb6d971 3214 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 3215 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3216 goto unlock;
3217 }
3218
2e58ef3e 3219 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3220 if (!cmd) {
3221 err = -ENOMEM;
76a68ba0 3222 hci_conn_drop(conn);
e9a416b5
JH		 3223 goto unlock;
3224 }
3225
7a512d01 3226 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3227 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3228 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3229 conn->security_cfm_cb = pairing_complete_cb;
3230 conn->disconn_cfm_cb = pairing_complete_cb;
3231 } else {
3232 conn->connect_cfm_cb = le_pairing_complete_cb;
3233 conn->security_cfm_cb = le_pairing_complete_cb;
3234 conn->disconn_cfm_cb = le_pairing_complete_cb;
3235 }
7a512d01 3236
e9a416b5 3237 conn->io_capability = cp->io_cap;
f8aaf9b6 3238 cmd->user_data = hci_conn_get(conn);
e9a416b5 3239
6f78fd4b 3240 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
e7cafc45 3241 hci_conn_security(conn, sec_level, auth_type, true))
e9a416b5
JH		 3242 pairing_complete(cmd, 0);
3243
3244 err = 0;
3245
3246unlock:
09fd0de5 3247 hci_dev_unlock(hdev);
e9a416b5
JH		 3248 return err;
3249}
3250
04124681
GP		 3251static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3252 u16 len)
28424707 3253{
0f4e68cf 3254 struct mgmt_addr_info *addr = data;
28424707
JH		 3255 struct pending_cmd *cmd;
3256 struct hci_conn *conn;
3257 int err;
3258
3259 BT_DBG("");
3260
28424707
JH		 3261 hci_dev_lock(hdev);
3262
5f97c1df 3263 if (!hdev_is_powered(hdev)) {
bdb6d971 3264 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3265 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3266 goto unlock;
3267 }
3268
28424707
JH		 3269 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3270 if (!cmd) {
bdb6d971 3271 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3272 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3273 goto unlock;
3274 }
3275
3276 conn = cmd->user_data;
3277
3278 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 3279 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3280 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3281 goto unlock;
3282 }
3283
3284 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
3285
bdb6d971 3286 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 3287 addr, sizeof(*addr));
28424707
JH		 3288unlock:
3289 hci_dev_unlock(hdev);
28424707
JH		 3290 return err;
3291}
3292
bdb6d971 3293static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3294 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3295 u16 hci_op, __le32 passkey)
a5c29683 3296{
a5c29683 3297 struct pending_cmd *cmd;
0df4c185 3298 struct hci_conn *conn;
a5c29683
JH		 3299 int err;
3300
09fd0de5 3301 hci_dev_lock(hdev);
08ba5382 3302
4b34ee78 3303 if (!hdev_is_powered(hdev)) {
feb94d3d
JH		 3304 err = cmd_complete(sk, hdev->id, mgmt_op,
3305 MGMT_STATUS_NOT_POWERED, addr,
3306 sizeof(*addr));
0df4c185 3307 goto done;
a5c29683
JH		 3308 }
3309
1707c60e
JH		 3310 if (addr->type == BDADDR_BREDR)
3311 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3312 else
1707c60e 3313 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3314
3315 if (!conn) {
feb94d3d
JH		 3316 err = cmd_complete(sk, hdev->id, mgmt_op,
3317 MGMT_STATUS_NOT_CONNECTED, addr,
3318 sizeof(*addr));
272d90df
JH		 3319 goto done;
3320 }
47c15e2b 3321
1707c60e 3322 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3323 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3324 if (!err)
feb94d3d
JH		 3325 err = cmd_complete(sk, hdev->id, mgmt_op,
3326 MGMT_STATUS_SUCCESS, addr,
3327 sizeof(*addr));
5fe57d9e 3328 else
feb94d3d
JH		 3329 err = cmd_complete(sk, hdev->id, mgmt_op,
3330 MGMT_STATUS_FAILED, addr,
3331 sizeof(*addr));
47c15e2b 3332
47c15e2b
BG		 3333 goto done;
3334 }
3335
1707c60e 3336 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3337 if (!cmd) {
3338 err = -ENOMEM;
0df4c185 3339 goto done;
a5c29683
JH		 3340 }
3341
0df4c185 3342 /* Continue with pairing via HCI */
604086b7
BG		 3343 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3344 struct hci_cp_user_passkey_reply cp;
3345
1707c60e 3346 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3347 cp.passkey = passkey;
3348 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3349 } else
1707c60e
JH		 3350 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3351 &addr->bdaddr);
604086b7 3352
a664b5bc
JH		 3353 if (err < 0)
3354 mgmt_pending_remove(cmd);
a5c29683 3355
0df4c185 3356done:
09fd0de5 3357 hci_dev_unlock(hdev);
a5c29683
JH		 3358 return err;
3359}
3360
afeb019d
JK		 3361static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3362 void *data, u16 len)
3363{
3364 struct mgmt_cp_pin_code_neg_reply *cp = data;
3365
3366 BT_DBG("");
3367
1707c60e 3368 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3369 MGMT_OP_PIN_CODE_NEG_REPLY,
3370 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3371}
3372
04124681
GP		 3373static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3374 u16 len)
0df4c185 3375{
650f726d 3376 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3377
3378 BT_DBG("");
3379
3380 if (len != sizeof(*cp))
bdb6d971 3381 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 3382 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3383
1707c60e 3384 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3385 MGMT_OP_USER_CONFIRM_REPLY,
3386 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3387}
3388
bdb6d971 3389static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3390 void *data, u16 len)
0df4c185 3391{
c9c2659f 3392 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3393
3394 BT_DBG("");
3395
1707c60e 3396 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3397 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3398 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3399}
3400
04124681
GP		 3401static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3402 u16 len)
604086b7 3403{
650f726d 3404 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3405
3406 BT_DBG("");
3407
1707c60e 3408 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3409 MGMT_OP_USER_PASSKEY_REPLY,
3410 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3411}
3412
bdb6d971 3413static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3414 void *data, u16 len)
604086b7 3415{
650f726d 3416 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3417
3418 BT_DBG("");
3419
1707c60e 3420 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3421 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3422 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3423}
3424
13928971 3425static void update_name(struct hci_request *req)
2b4bf397 3426{
13928971 3427 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3428 struct hci_cp_write_local_name cp;
3429
13928971 3430 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3431
890ea898 3432 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3433}
3434
13928971
JH		 3435static void set_name_complete(struct hci_dev *hdev, u8 status)
3436{
3437 struct mgmt_cp_set_local_name *cp;
3438 struct pending_cmd *cmd;
3439
3440 BT_DBG("status 0x%02x", status);
3441
3442 hci_dev_lock(hdev);
3443
3444 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3445 if (!cmd)
3446 goto unlock;
3447
3448 cp = cmd->param;
3449
3450 if (status)
3451 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3452 mgmt_status(status));
3453 else
3454 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3455 cp, sizeof(*cp));
3456
3457 mgmt_pending_remove(cmd);
3458
3459unlock:
3460 hci_dev_unlock(hdev);
3461}
3462
bdb6d971 3463static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3464 u16 len)
b312b161 3465{
2b4bf397 3466 struct mgmt_cp_set_local_name *cp = data;
b312b161 3467 struct pending_cmd *cmd;
890ea898 3468 struct hci_request req;
b312b161
JH		 3469 int err;
3470
3471 BT_DBG("");
3472
09fd0de5 3473 hci_dev_lock(hdev);
b312b161 3474
b3f2ca94
JH		 3475 /* If the old values are the same as the new ones just return a
3476 * direct command complete event.
3477 */
3478 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3479 !memcmp(hdev->short_name, cp->short_name,
3480 sizeof(hdev->short_name))) {
3481 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3482 data, len);
3483 goto failed;
3484 }
3485
2b4bf397 3486 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3487
b5235a65 3488 if (!hdev_is_powered(hdev)) {
2b4bf397 3489 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH		 3490
3491 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 3492 data, len);
28cc7bde
JH		 3493 if (err < 0)
3494 goto failed;
3495
3496 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 3497 sk);
28cc7bde 3498
b5235a65
JH		 3499 goto failed;
3500 }
3501
28cc7bde 3502 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3503 if (!cmd) {
3504 err = -ENOMEM;
3505 goto failed;
3506 }
3507
13928971
JH		 3508 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3509
890ea898 3510 hci_req_init(&req, hdev);
3f985050
JH		 3511
3512 if (lmp_bredr_capable(hdev)) {
3513 update_name(&req);
3514 update_eir(&req);
3515 }
3516
7a5f4990
MH		 3517 /* The name is stored in the scan response data and so
3518 * no need to udpate the advertising data here.
3519 */
3f985050 3520 if (lmp_le_capable(hdev))
7a5f4990 3521 update_scan_rsp_data(&req);
3f985050 3522
13928971 3523 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3524 if (err < 0)
3525 mgmt_pending_remove(cmd);
3526
3527failed:
09fd0de5 3528 hci_dev_unlock(hdev);
b312b161
JH		 3529 return err;
3530}
3531
0f4e68cf 3532static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3533 void *data, u16 data_len)
c35938b2 3534{
c35938b2
SJ		 3535 struct pending_cmd *cmd;
3536 int err;
3537
bdb6d971 3538 BT_DBG("%s", hdev->name);
c35938b2 3539
09fd0de5 3540 hci_dev_lock(hdev);
c35938b2 3541
4b34ee78 3542 if (!hdev_is_powered(hdev)) {
bdb6d971 3543 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3544 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3545 goto unlock;
3546 }
3547
9a1a1996 3548 if (!lmp_ssp_capable(hdev)) {
bdb6d971 3549 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3550 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3551 goto unlock;
3552 }
3553
2e58ef3e 3554 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 3555 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3556 MGMT_STATUS_BUSY);
c35938b2
SJ		 3557 goto unlock;
3558 }
3559
2e58ef3e 3560 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3561 if (!cmd) {
3562 err = -ENOMEM;
3563 goto unlock;
3564 }
3565
710f11c0 3566 if (bredr_sc_enabled(hdev))
4d2d2796
MH		 3567 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
3568 0, NULL);
3569 else
3570 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3571
c35938b2
SJ		 3572 if (err < 0)
3573 mgmt_pending_remove(cmd);
3574
3575unlock:
09fd0de5 3576 hci_dev_unlock(hdev);
c35938b2
SJ		 3577 return err;
3578}
3579
bdb6d971 3580static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3581 void *data, u16 len)
2763eda6 3582{
2763eda6
SJ		 3583 int err;
3584
bdb6d971 3585 BT_DBG("%s ", hdev->name);
2763eda6 3586
09fd0de5 3587 hci_dev_lock(hdev);
2763eda6 3588
ec109113
MH		 3589 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3590 struct mgmt_cp_add_remote_oob_data *cp = data;
3591 u8 status;
bf1e3541 3592
c19a495c
JH		 3593 if (cp->addr.type != BDADDR_BREDR) {
3594 err = cmd_complete(sk, hdev->id,
3595 MGMT_OP_ADD_REMOTE_OOB_DATA,
3596 MGMT_STATUS_INVALID_PARAMS,
3597 &cp->addr, sizeof(cp->addr));
3598 goto unlock;
3599 }
3600
ec109113 3601 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 3602 cp->addr.type, cp->hash,
3603 cp->rand, NULL, NULL);
ec109113
MH		 3604 if (err < 0)
3605 status = MGMT_STATUS_FAILED;
3606 else
3607 status = MGMT_STATUS_SUCCESS;
3608
3609 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3610 status, &cp->addr, sizeof(cp->addr));
3611 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3612 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
86df9200 3613 u8 *rand192, *hash192;
ec109113
MH		 3614 u8 status;
3615
c19a495c
JH		 3616 if (cp->addr.type != BDADDR_BREDR) {
3617 err = cmd_complete(sk, hdev->id,
3618 MGMT_OP_ADD_REMOTE_OOB_DATA,
3619 MGMT_STATUS_INVALID_PARAMS,
3620 &cp->addr, sizeof(cp->addr));
3621 goto unlock;
3622 }
3623
86df9200
JH		 3624 if (bdaddr_type_is_le(cp->addr.type)) {
3625 rand192 = NULL;
3626 hash192 = NULL;
3627 } else {
3628 rand192 = cp->rand192;
3629 hash192 = cp->hash192;
3630 }
3631
81328d5c 3632 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200
JH		 3633 cp->addr.type, hash192, rand192,
3634 cp->hash256, cp->rand256);
ec109113
MH		 3635 if (err < 0)
3636 status = MGMT_STATUS_FAILED;
3637 else
3638 status = MGMT_STATUS_SUCCESS;
3639
3640 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3641 status, &cp->addr, sizeof(cp->addr));
3642 } else {
3643 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3644 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3645 MGMT_STATUS_INVALID_PARAMS);
3646 }
2763eda6 3647
c19a495c 3648unlock:
09fd0de5 3649 hci_dev_unlock(hdev);
2763eda6
SJ		 3650 return err;
3651}
3652
bdb6d971 3653static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3654 void *data, u16 len)
2763eda6 3655{
650f726d 3656 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3657 u8 status;
2763eda6
SJ		 3658 int err;
3659
bdb6d971 3660 BT_DBG("%s", hdev->name);
2763eda6 3661
c19a495c
JH		 3662 if (cp->addr.type != BDADDR_BREDR)
3663 return cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3664 MGMT_STATUS_INVALID_PARAMS,
3665 &cp->addr, sizeof(cp->addr));
3666
09fd0de5 3667 hci_dev_lock(hdev);
2763eda6 3668
eedbd581
JH		 3669 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
3670 hci_remote_oob_data_clear(hdev);
3671 status = MGMT_STATUS_SUCCESS;
3672 goto done;
3673 }
3674
6928a924 3675 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 3676 if (err < 0)
bf1e3541 3677 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3678 else
a6785be2 3679 status = MGMT_STATUS_SUCCESS;
bf1e3541 3680
eedbd581 3681done:
bdb6d971 3682 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3683 status, &cp->addr, sizeof(cp->addr));
2763eda6 3684
09fd0de5 3685 hci_dev_unlock(hdev);
2763eda6
SJ		 3686 return err;
3687}
3688
11e6e25d 3689static void start_discovery_complete(struct hci_dev *hdev, u8 status)
41dc2bd6
AG		 3690{
3691 struct pending_cmd *cmd;
11e6e25d 3692 unsigned long timeout;
41dc2bd6 3693
11e6e25d 3694 BT_DBG("status %d", status);
41dc2bd6 3695
11e6e25d 3696 hci_dev_lock(hdev);
41dc2bd6 3697
11e6e25d
MH		 3698 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3699 if (cmd) {
3700 u8 type = hdev->discovery.type;
ae55f598 3701
11e6e25d
MH		 3702 cmd_complete(cmd->sk, hdev->id, cmd->opcode,
3703 mgmt_status(status), &type, sizeof(type));
3704 mgmt_pending_remove(cmd);
3705 }
7c307720
AG		 3706
3707 if (status) {
11e6e25d
MH		 3708 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3709 goto unlock;
7c307720
AG		 3710 }
3711
7c307720 3712 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
7c307720
AG		 3713
3714 switch (hdev->discovery.type) {
3715 case DISCOV_TYPE_LE:
3d5a76f0 3716 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720 3717 break;
7c307720 3718 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3719 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720 3720 break;
7c307720 3721 case DISCOV_TYPE_BREDR:
11e6e25d 3722 timeout = 0;
7c307720 3723 break;
7c307720
AG		 3724 default:
3725 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
11e6e25d
MH		 3726 timeout = 0;
3727 break;
7c307720 3728 }
ae55f598 3729
11e6e25d
MH		 3730 if (timeout)
3731 queue_delayed_work(hdev->workqueue,
3732 &hdev->le_scan_disable, timeout);
ae55f598 3733
11e6e25d
MH		 3734unlock:
3735 hci_dev_unlock(hdev);
7c307720
AG		 3736}
3737
bdb6d971 3738static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3739 void *data, u16 len)
14a53664 3740{
650f726d 3741 struct mgmt_cp_start_discovery *cp = data;
14a53664 3742 struct pending_cmd *cmd;
7c307720
AG		 3743 struct hci_cp_le_set_scan_param param_cp;
3744 struct hci_cp_le_set_scan_enable enable_cp;
3745 struct hci_cp_inquiry inq_cp;
3746 struct hci_request req;
3747 /* General inquiry access code (GIAC) */
3748 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3749 u8 status, own_addr_type;
14a53664
JH		 3750 int err;
3751
bdb6d971 3752 BT_DBG("%s", hdev->name);
14a53664 3753
09fd0de5 3754 hci_dev_lock(hdev);
14a53664 3755
4b34ee78 3756 if (!hdev_is_powered(hdev)) {
a736abc1
SJ		 3757 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3758 MGMT_STATUS_NOT_POWERED,
3759 &cp->type, sizeof(cp->type));
bd2d1334
JH		 3760 goto failed;
3761 }
3762
f5a969f2
MH		 3763 if (hdev->discovery.state != DISCOVERY_STOPPED ||
3764 test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
a736abc1
SJ		 3765 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3766 MGMT_STATUS_BUSY, &cp->type,
3767 sizeof(cp->type));
ff9ef578
JH		 3768 goto failed;
3769 }
3770
2e58ef3e 3771 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3772 if (!cmd) {
3773 err = -ENOMEM;
3774 goto failed;
3775 }
3776
4aab14e5
AG		 3777 hdev->discovery.type = cp->type;
3778
7c307720
AG		 3779 hci_req_init(&req, hdev);
3780
4aab14e5 3781 switch (hdev->discovery.type) {
f39799f5 3782 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3783 status = mgmt_bredr_support(hdev);
3784 if (status) {
a736abc1
SJ		 3785 err = cmd_complete(sk, hdev->id,
3786 MGMT_OP_START_DISCOVERY, status,
3787 &cp->type, sizeof(cp->type));
04106755
JH		 3788 mgmt_pending_remove(cmd);
3789 goto failed;
3790 }
3791
7c307720 3792 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
a736abc1
SJ		 3793 err = cmd_complete(sk, hdev->id,
3794 MGMT_OP_START_DISCOVERY,
3795 MGMT_STATUS_BUSY, &cp->type,
3796 sizeof(cp->type));
7c307720
AG		 3797 mgmt_pending_remove(cmd);
3798 goto failed;
3799 }
3800
3801 hci_inquiry_cache_flush(hdev);
3802
3803 memset(&inq_cp, 0, sizeof(inq_cp));
3804 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3805 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3806 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3807 break;
3808
3809 case DISCOV_TYPE_LE:
7c307720 3810 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3811 status = mgmt_le_support(hdev);
3812 if (status) {
a736abc1
SJ		 3813 err = cmd_complete(sk, hdev->id,
3814 MGMT_OP_START_DISCOVERY, status,
3815 &cp->type, sizeof(cp->type));
04106755
JH		 3816 mgmt_pending_remove(cmd);
3817 goto failed;
3818 }
3819
7c307720 3820 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3821 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
a736abc1
SJ		 3822 err = cmd_complete(sk, hdev->id,
3823 MGMT_OP_START_DISCOVERY,
3824 MGMT_STATUS_NOT_SUPPORTED,
3825 &cp->type, sizeof(cp->type));
04106755
JH		 3826 mgmt_pending_remove(cmd);
3827 goto failed;
3828 }
3829
e8bb6b97
JH		 3830 if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
3831 /* Don't let discovery abort an outgoing
3832 * connection attempt that's using directed
3833 * advertising.
3834 */
3835 if (hci_conn_hash_lookup_state(hdev, LE_LINK,
3836 BT_CONNECT)) {
a736abc1
SJ		 3837 err = cmd_complete(sk, hdev->id,
3838 MGMT_OP_START_DISCOVERY,
3839 MGMT_STATUS_REJECTED,
3840 &cp->type,
3841 sizeof(cp->type));
e8bb6b97
JH		 3842 mgmt_pending_remove(cmd);
3843 goto failed;
3844 }
3845
3846 disable_advertising(&req);
7c307720
AG		 3847 }
3848
c54c3860
AG		 3849 /* If controller is scanning, it means the background scanning
3850 * is running. Thus, we should temporarily stop it in order to
3851 * set the discovery scanning parameters.
3852 */
3853 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3854 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3855
3856 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3857
94b1fc92
MH		 3858 /* All active scans will be done with either a resolvable
3859 * private address (when privacy feature has been enabled)
3860 * or unresolvable private address.
3861 */
3862 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943 3863 if (err < 0) {
a736abc1
SJ		 3864 err = cmd_complete(sk, hdev->id,
3865 MGMT_OP_START_DISCOVERY,
3866 MGMT_STATUS_FAILED,
3867 &cp->type, sizeof(cp->type));
d9483943
JH		 3868 mgmt_pending_remove(cmd);
3869 goto failed;
3870 }
3871
7c307720 3872 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3873 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3874 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3875 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3876 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3877 &param_cp);
3878
3879 memset(&enable_cp, 0, sizeof(enable_cp));
3880 enable_cp.enable = LE_SCAN_ENABLE;
3881 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3882 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3883 &enable_cp);
5e0452c0
AG		 3884 break;
3885
f39799f5 3886 default:
a736abc1
SJ		 3887 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3888 MGMT_STATUS_INVALID_PARAMS,
3889 &cp->type, sizeof(cp->type));
04106755
JH		 3890 mgmt_pending_remove(cmd);
3891 goto failed;
f39799f5 3892 }
3fd24153 3893
7c307720 3894 err = hci_req_run(&req, start_discovery_complete);
f5a969f2 3895 if (err < 0) {
14a53664 3896 mgmt_pending_remove(cmd);
f5a969f2
MH		 3897 goto failed;
3898 }
3899
3900 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3901
3902failed:
09fd0de5 3903 hci_dev_unlock(hdev);
14a53664
JH		 3904 return err;
3905}
3906
11e6e25d 3907static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
1183fdca
AG		 3908{
3909 struct pending_cmd *cmd;
1183fdca 3910
0e05bba6
AG		 3911 BT_DBG("status %d", status);
3912
3913 hci_dev_lock(hdev);
3914
11e6e25d
MH		 3915 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3916 if (cmd) {
3917 u8 type = hdev->discovery.type;
3918
3919 cmd_complete(cmd->sk, hdev->id, cmd->opcode,
3920 mgmt_status(status), &type, sizeof(type));
3921 mgmt_pending_remove(cmd);
0e05bba6
AG		 3922 }
3923
11e6e25d
MH		 3924 if (!status)
3925 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
0e05bba6 3926
0e05bba6
AG		 3927 hci_dev_unlock(hdev);
3928}
3929
bdb6d971 3930static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3931 u16 len)
14a53664 3932{
d930650b 3933 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3934 struct pending_cmd *cmd;
0e05bba6 3935 struct hci_request req;
14a53664
JH		 3936 int err;
3937
bdb6d971 3938 BT_DBG("%s", hdev->name);
14a53664 3939
09fd0de5 3940 hci_dev_lock(hdev);
14a53664 3941
30dc78e1 3942 if (!hci_discovery_active(hdev)) {
bdb6d971 3943 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3944 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3945 sizeof(mgmt_cp->type));
d930650b
JH		 3946 goto unlock;
3947 }
3948
3949 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3950 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3951 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3952 sizeof(mgmt_cp->type));
30dc78e1 3953 goto unlock;
ff9ef578
JH		 3954 }
3955
2e58ef3e 3956 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3957 if (!cmd) {
3958 err = -ENOMEM;
30dc78e1
JH		 3959 goto unlock;
3960 }
3961
0e05bba6
AG		 3962 hci_req_init(&req, hdev);
3963
21a60d30 3964 hci_stop_discovery(&req);
e0d9727e 3965
21a60d30
JH		 3966 err = hci_req_run(&req, stop_discovery_complete);
3967 if (!err) {
3968 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3969 goto unlock;
14a53664
JH		 3970 }
3971
21a60d30
JH		 3972 mgmt_pending_remove(cmd);
3973
3974 /* If no HCI commands were sent we're done */
3975 if (err == -ENODATA) {
3976 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3977 &mgmt_cp->type, sizeof(mgmt_cp->type));
3978 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3979 }
14a53664 3980
30dc78e1 3981unlock:
09fd0de5 3982 hci_dev_unlock(hdev);
14a53664
JH		 3983 return err;
3984}
3985
bdb6d971 3986static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3987 u16 len)
561aafbc 3988{
650f726d 3989 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3990 struct inquiry_entry *e;
561aafbc
JH		 3991 int err;
3992
bdb6d971 3993 BT_DBG("%s", hdev->name);
561aafbc 3994
561aafbc
JH		 3995 hci_dev_lock(hdev);
3996
30dc78e1 3997 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 3998 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3999 MGMT_STATUS_FAILED, &cp->addr,
4000 sizeof(cp->addr));
30dc78e1
JH		 4001 goto failed;
4002 }
4003
a198e7b1 4004 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4005 if (!e) {
d3a2541d
LR		 4006 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4007 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4008 sizeof(cp->addr));
561aafbc
JH		 4009 goto failed;
4010 }
4011
4012 if (cp->name_known) {
4013 e->name_state = NAME_KNOWN;
4014 list_del(&e->list);
4015 } else {
4016 e->name_state = NAME_NEEDED;
a3d4e20a 4017 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4018 }
4019
e384662b
JH		 4020 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
4021 sizeof(cp->addr));
561aafbc
JH		 4022
4023failed:
4024 hci_dev_unlock(hdev);
561aafbc
JH		 4025 return err;
4026}
4027
bdb6d971 4028static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4029 u16 len)
7fbec224 4030{
650f726d 4031 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4032 u8 status;
7fbec224
AJ		 4033 int err;
4034
bdb6d971 4035 BT_DBG("%s", hdev->name);
7fbec224 4036
4ee71b20 4037 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4038 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4039 MGMT_STATUS_INVALID_PARAMS,
4040 &cp->addr, sizeof(cp->addr));
4ee71b20 4041
09fd0de5 4042 hci_dev_lock(hdev);
5e762444 4043
dcc36c16
JH		 4044 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4045 cp->addr.type);
2a8357f2 4046 if (err < 0) {
f0eeea8b 4047 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4048 goto done;
4049 }
4050
4051 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4052 sk);
4053 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4054
2a8357f2 4055done:
bdb6d971 4056 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 4057 &cp->addr, sizeof(cp->addr));
5e762444 4058
09fd0de5 4059 hci_dev_unlock(hdev);
7fbec224
AJ		 4060
4061 return err;
4062}
4063
bdb6d971 4064static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4065 u16 len)
7fbec224 4066{
650f726d 4067 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4068 u8 status;
7fbec224
AJ		 4069 int err;
4070
bdb6d971 4071 BT_DBG("%s", hdev->name);
7fbec224 4072
4ee71b20 4073 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4074 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4075 MGMT_STATUS_INVALID_PARAMS,
4076 &cp->addr, sizeof(cp->addr));
4ee71b20 4077
09fd0de5 4078 hci_dev_lock(hdev);
5e762444 4079
dcc36c16
JH		 4080 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4081 cp->addr.type);
2a8357f2 4082 if (err < 0) {
f0eeea8b 4083 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4084 goto done;
4085 }
4086
4087 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4088 sk);
4089 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4090
2a8357f2 4091done:
bdb6d971 4092 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 4093 &cp->addr, sizeof(cp->addr));
5e762444 4094
09fd0de5 4095 hci_dev_unlock(hdev);
7fbec224
AJ		 4096
4097 return err;
4098}
4099
cdbaccca
MH		 4100static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4101 u16 len)
4102{
4103 struct mgmt_cp_set_device_id *cp = data;
890ea898 4104 struct hci_request req;
cdbaccca 4105 int err;
c72d4b8a 4106 __u16 source;
cdbaccca
MH		 4107
4108 BT_DBG("%s", hdev->name);
4109
c72d4b8a
SJ		 4110 source = __le16_to_cpu(cp->source);
4111
4112 if (source > 0x0002)
4113 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4114 MGMT_STATUS_INVALID_PARAMS);
4115
cdbaccca
MH		 4116 hci_dev_lock(hdev);
4117
c72d4b8a 4118 hdev->devid_source = source;
cdbaccca
MH		 4119 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4120 hdev->devid_product = __le16_to_cpu(cp->product);
4121 hdev->devid_version = __le16_to_cpu(cp->version);
4122
4123 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
4124
890ea898
JH		 4125 hci_req_init(&req, hdev);
4126 update_eir(&req);
4127 hci_req_run(&req, NULL);
cdbaccca
MH		 4128
4129 hci_dev_unlock(hdev);
4130
4131 return err;
4132}
4133
4375f103
JH		 4134static void set_advertising_complete(struct hci_dev *hdev, u8 status)
4135{
4136 struct cmd_lookup match = { NULL, hdev };
4137
4138 if (status) {
4139 u8 mgmt_err = mgmt_status(status);
4140
4141 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4142 cmd_status_rsp, &mgmt_err);
4143 return;
4144 }
4145
c93bd150
JH		 4146 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
4147 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
4148 else
4149 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
4150
4375f103
JH		 4151 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4152 &match);
4153
4154 new_settings(hdev, match.sk);
4155
4156 if (match.sk)
4157 sock_put(match.sk);
4158}
4159
21b5187f
MH		 4160static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4161 u16 len)
4375f103
JH		 4162{
4163 struct mgmt_mode *cp = data;
4164 struct pending_cmd *cmd;
4165 struct hci_request req;
e6fe7986 4166 u8 val, enabled, status;
4375f103
JH		 4167 int err;
4168
4169 BT_DBG("request for %s", hdev->name);
4170
e6fe7986
JH		 4171 status = mgmt_le_support(hdev);
4172 if (status)
4375f103 4173 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 4174 status);
4375f103
JH		 4175
4176 if (cp->val != 0x00 && cp->val != 0x01)
4177 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4178 MGMT_STATUS_INVALID_PARAMS);
4179
4180 hci_dev_lock(hdev);
4181
4182 val = !!cp->val;
f3d3444a 4183 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 4184
f74ca9b8
JH		 4185 /* The following conditions are ones which mean that we should
4186 * not do any HCI communication but directly send a mgmt
4187 * response to user space (after toggling the flag if
4188 * necessary).
4189 */
4190 if (!hdev_is_powered(hdev) || val == enabled ||
e8bb6b97
JH		 4191 hci_conn_num(hdev, LE_LINK) > 0 ||
4192 (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4193 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4375f103
JH		 4194 bool changed = false;
4195
f3d3444a
JH		 4196 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
4197 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 4198 changed = true;
4199 }
4200
4201 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4202 if (err < 0)
4203 goto unlock;
4204
4205 if (changed)
4206 err = new_settings(hdev, sk);
4207
4208 goto unlock;
4209 }
4210
4211 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4212 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
4213 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4214 MGMT_STATUS_BUSY);
4215 goto unlock;
4216 }
4217
4218 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4219 if (!cmd) {
4220 err = -ENOMEM;
4221 goto unlock;
4222 }
4223
4224 hci_req_init(&req, hdev);
4225
bba3aa55
MH		 4226 if (val)
4227 enable_advertising(&req);
4228 else
4229 disable_advertising(&req);
4375f103
JH		 4230
4231 err = hci_req_run(&req, set_advertising_complete);
4232 if (err < 0)
4233 mgmt_pending_remove(cmd);
4234
4235unlock:
4236 hci_dev_unlock(hdev);
4237 return err;
4238}
4239
d13eafce
MH		 4240static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4241 void *data, u16 len)
4242{
4243 struct mgmt_cp_set_static_address *cp = data;
4244 int err;
4245
4246 BT_DBG("%s", hdev->name);
4247
62af4443 4248 if (!lmp_le_capable(hdev))
d13eafce 4249 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 4250 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4251
4252 if (hdev_is_powered(hdev))
4253 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4254 MGMT_STATUS_REJECTED);
4255
4256 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4257 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4258 return cmd_status(sk, hdev->id,
4259 MGMT_OP_SET_STATIC_ADDRESS,
4260 MGMT_STATUS_INVALID_PARAMS);
4261
4262 /* Two most significant bits shall be set */
4263 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4264 return cmd_status(sk, hdev->id,
4265 MGMT_OP_SET_STATIC_ADDRESS,
4266 MGMT_STATUS_INVALID_PARAMS);
4267 }
4268
4269 hci_dev_lock(hdev);
4270
4271 bacpy(&hdev->static_addr, &cp->bdaddr);
4272
4273 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
4274
4275 hci_dev_unlock(hdev);
4276
4277 return err;
4278}
4279
14b49b9a
MH		 4280static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4281 void *data, u16 len)
4282{
4283 struct mgmt_cp_set_scan_params *cp = data;
4284 __u16 interval, window;
4285 int err;
4286
4287 BT_DBG("%s", hdev->name);
4288
4289 if (!lmp_le_capable(hdev))
4290 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4291 MGMT_STATUS_NOT_SUPPORTED);
4292
4293 interval = __le16_to_cpu(cp->interval);
4294
4295 if (interval < 0x0004 || interval > 0x4000)
4296 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4297 MGMT_STATUS_INVALID_PARAMS);
4298
4299 window = __le16_to_cpu(cp->window);
4300
4301 if (window < 0x0004 || window > 0x4000)
4302 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4303 MGMT_STATUS_INVALID_PARAMS);
4304
899e1075
MH		 4305 if (window > interval)
4306 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4307 MGMT_STATUS_INVALID_PARAMS);
4308
14b49b9a
MH		 4309 hci_dev_lock(hdev);
4310
4311 hdev->le_scan_interval = interval;
4312 hdev->le_scan_window = window;
4313
4314 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4315
dd2ef8e2
AG		 4316 /* If background scan is running, restart it so new parameters are
4317 * loaded.
4318 */
4319 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4320 hdev->discovery.state == DISCOVERY_STOPPED) {
4321 struct hci_request req;
4322
4323 hci_req_init(&req, hdev);
4324
4325 hci_req_add_le_scan_disable(&req);
4326 hci_req_add_le_passive_scan(&req);
4327
4328 hci_req_run(&req, NULL);
4329 }
4330
14b49b9a
MH		 4331 hci_dev_unlock(hdev);
4332
4333 return err;
4334}
4335
33e38b3e
JH		 4336static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4337{
4338 struct pending_cmd *cmd;
4339
4340 BT_DBG("status 0x%02x", status);
4341
4342 hci_dev_lock(hdev);
4343
4344 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4345 if (!cmd)
4346 goto unlock;
4347
4348 if (status) {
4349 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4350 mgmt_status(status));
4351 } else {
1a4d3c4b
JH		 4352 struct mgmt_mode *cp = cmd->param;
4353
4354 if (cp->val)
4355 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4356 else
4357 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4358
33e38b3e
JH		 4359 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4360 new_settings(hdev, cmd->sk);
4361 }
4362
4363 mgmt_pending_remove(cmd);
4364
4365unlock:
4366 hci_dev_unlock(hdev);
4367}
4368
bdb6d971 4369static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4370 void *data, u16 len)
f6422ec6 4371{
650f726d 4372 struct mgmt_mode *cp = data;
33e38b3e
JH		 4373 struct pending_cmd *cmd;
4374 struct hci_request req;
f6422ec6
AJ		 4375 int err;
4376
bdb6d971 4377 BT_DBG("%s", hdev->name);
f6422ec6 4378
56f87901
JH		 4379 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4380 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4381 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4382 MGMT_STATUS_NOT_SUPPORTED);
4383
a7e80f25
JH		 4384 if (cp->val != 0x00 && cp->val != 0x01)
4385 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4386 MGMT_STATUS_INVALID_PARAMS);
4387
5400c044 4388 if (!hdev_is_powered(hdev))
bdb6d971 4389 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4390 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4391
4392 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4393 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4394 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4395
4396 hci_dev_lock(hdev);
4397
05cbf29f
JH		 4398 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4399 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4400 MGMT_STATUS_BUSY);
4401 goto unlock;
4402 }
4403
1a4d3c4b
JH		 4404 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4405 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4406 hdev);
4407 goto unlock;
4408 }
4409
33e38b3e
JH		 4410 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4411 data, len);
4412 if (!cmd) {
4413 err = -ENOMEM;
4414 goto unlock;
f6422ec6
AJ		 4415 }
4416
33e38b3e
JH		 4417 hci_req_init(&req, hdev);
4418
406d7804 4419 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4420
4421 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4422 if (err < 0) {
bdb6d971 4423 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4424 MGMT_STATUS_FAILED);
33e38b3e 4425 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4426 }
4427
33e38b3e 4428unlock:
f6422ec6 4429 hci_dev_unlock(hdev);
33e38b3e 4430
f6422ec6
AJ		 4431 return err;
4432}
4433
0663ca2a
JH		 4434static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4435{
4436 struct pending_cmd *cmd;
4437
4438 BT_DBG("status 0x%02x", status);
4439
4440 hci_dev_lock(hdev);
4441
4442 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4443 if (!cmd)
4444 goto unlock;
4445
4446 if (status) {
4447 u8 mgmt_err = mgmt_status(status);
4448
4449 /* We need to restore the flag if related HCI commands
4450 * failed.
4451 */
4452 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4453
4454 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4455 } else {
4456 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4457 new_settings(hdev, cmd->sk);
4458 }
4459
4460 mgmt_pending_remove(cmd);
4461
4462unlock:
4463 hci_dev_unlock(hdev);
4464}
4465
4466static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4467{
4468 struct mgmt_mode *cp = data;
4469 struct pending_cmd *cmd;
4470 struct hci_request req;
4471 int err;
4472
4473 BT_DBG("request for %s", hdev->name);
4474
4475 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4476 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4477 MGMT_STATUS_NOT_SUPPORTED);
4478
4479 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4480 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4481 MGMT_STATUS_REJECTED);
4482
4483 if (cp->val != 0x00 && cp->val != 0x01)
4484 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4485 MGMT_STATUS_INVALID_PARAMS);
4486
4487 hci_dev_lock(hdev);
4488
4489 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4490 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4491 goto unlock;
4492 }
4493
4494 if (!hdev_is_powered(hdev)) {
4495 if (!cp->val) {
0663ca2a
JH		 4496 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4497 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4498 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4499 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4500 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4501 }
4502
4503 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4504
4505 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4506 if (err < 0)
4507 goto unlock;
4508
4509 err = new_settings(hdev, sk);
4510 goto unlock;
4511 }
4512
4513 /* Reject disabling when powered on */
4514 if (!cp->val) {
4515 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4516 MGMT_STATUS_REJECTED);
4517 goto unlock;
4518 }
4519
4520 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4521 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4522 MGMT_STATUS_BUSY);
4523 goto unlock;
4524 }
4525
4526 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4527 if (!cmd) {
4528 err = -ENOMEM;
4529 goto unlock;
4530 }
4531
5947f4bc 4532 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4533 * generates the correct flags.
4534 */
4535 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4536
4537 hci_req_init(&req, hdev);
aa8af46e 4538
432df05e
JH		 4539 write_fast_connectable(&req, false);
4540 hci_update_page_scan(hdev, &req);
aa8af46e 4541
f14d8f64
MH		 4542 /* Since only the advertising data flags will change, there
4543 * is no need to update the scan response data.
4544 */
5947f4bc 4545 update_adv_data(&req);
aa8af46e 4546
0663ca2a
JH		 4547 err = hci_req_run(&req, set_bredr_complete);
4548 if (err < 0)
4549 mgmt_pending_remove(cmd);
4550
4551unlock:
4552 hci_dev_unlock(hdev);
4553 return err;
4554}
4555
eac83dc6
MH		 4556static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4557 void *data, u16 len)
4558{
4559 struct mgmt_mode *cp = data;
4560 struct pending_cmd *cmd;
a3209694 4561 u8 val;
eac83dc6
MH		 4562 int err;
4563
4564 BT_DBG("request for %s", hdev->name);
4565
a3209694
JH		 4566 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
4567 !lmp_sc_capable(hdev) && !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4568 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4569 MGMT_STATUS_NOT_SUPPORTED);
4570
0ab04a9c 4571 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4572 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4573 MGMT_STATUS_INVALID_PARAMS);
4574
4575 hci_dev_lock(hdev);
4576
a3209694
JH		 4577 if (!hdev_is_powered(hdev) ||
4578 (!lmp_sc_capable(hdev) &&
4579 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags)) ||
4580 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
eac83dc6
MH		 4581 bool changed;
4582
0ab04a9c 4583 if (cp->val) {
eac83dc6
MH		 4584 changed = !test_and_set_bit(HCI_SC_ENABLED,
4585 &hdev->dev_flags);
0ab04a9c
MH		 4586 if (cp->val == 0x02)
4587 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4588 else
4589 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4590 } else {
eac83dc6
MH		 4591 changed = test_and_clear_bit(HCI_SC_ENABLED,
4592 &hdev->dev_flags);
0ab04a9c
MH		 4593 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4594 }
eac83dc6
MH		 4595
4596 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4597 if (err < 0)
4598 goto failed;
4599
4600 if (changed)
4601 err = new_settings(hdev, sk);
4602
4603 goto failed;
4604 }
4605
4606 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4607 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4608 MGMT_STATUS_BUSY);
4609 goto failed;
4610 }
4611
0ab04a9c
MH		 4612 val = !!cp->val;
4613
4614 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4615 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4616 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4617 goto failed;
4618 }
4619
4620 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4621 if (!cmd) {
4622 err = -ENOMEM;
4623 goto failed;
4624 }
4625
0ab04a9c 4626 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4627 if (err < 0) {
4628 mgmt_pending_remove(cmd);
4629 goto failed;
4630 }
4631
0ab04a9c
MH		 4632 if (cp->val == 0x02)
4633 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4634 else
4635 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4636
eac83dc6
MH		 4637failed:
4638 hci_dev_unlock(hdev);
4639 return err;
4640}
4641
4e39ac81
MH		 4642static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4643 void *data, u16 len)
4644{
4645 struct mgmt_mode *cp = data;
b9710979 4646 bool changed, use_changed;
4e39ac81
MH		 4647 int err;
4648
4649 BT_DBG("request for %s", hdev->name);
4650
b9710979 4651 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4652 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4653 MGMT_STATUS_INVALID_PARAMS);
4654
4655 hci_dev_lock(hdev);
4656
4657 if (cp->val)
0663b297
JH		 4658 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4659 &hdev->dev_flags);
4e39ac81 4660 else
0663b297
JH		 4661 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4662 &hdev->dev_flags);
4e39ac81 4663
b9710979
JH		 4664 if (cp->val == 0x02)
4665 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4666 &hdev->dev_flags);
4667 else
4668 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4669 &hdev->dev_flags);
4670
4671 if (hdev_is_powered(hdev) && use_changed &&
4672 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4673 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4674 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4675 sizeof(mode), &mode);
4676 }
4677
4e39ac81
MH		 4678 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4679 if (err < 0)
4680 goto unlock;
4681
4682 if (changed)
4683 err = new_settings(hdev, sk);
4684
4685unlock:
4686 hci_dev_unlock(hdev);
4687 return err;
4688}
4689
62b04cd1
JH		 4690static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4691 u16 len)
4692{
4693 struct mgmt_cp_set_privacy *cp = cp_data;
4694 bool changed;
4695 int err;
4696
4697 BT_DBG("request for %s", hdev->name);
4698
4699 if (!lmp_le_capable(hdev))
4700 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4701 MGMT_STATUS_NOT_SUPPORTED);
4702
4703 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4704 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4705 MGMT_STATUS_INVALID_PARAMS);
4706
4707 if (hdev_is_powered(hdev))
4708 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4709 MGMT_STATUS_REJECTED);
4710
4711 hci_dev_lock(hdev);
4712
c21c0ea0
JH		 4713 /* If user space supports this command it is also expected to
4714 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4715 */
4716 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4717
62b04cd1
JH		 4718 if (cp->privacy) {
4719 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4720 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4721 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4722 } else {
4723 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4724 memset(hdev->irk, 0, sizeof(hdev->irk));
4725 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4726 }
4727
4728 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4729 if (err < 0)
4730 goto unlock;
4731
4732 if (changed)
4733 err = new_settings(hdev, sk);
4734
4735unlock:
4736 hci_dev_unlock(hdev);
4737 return err;
4738}
4739
41edf160
JH		 4740static bool irk_is_valid(struct mgmt_irk_info *irk)
4741{
4742 switch (irk->addr.type) {
4743 case BDADDR_LE_PUBLIC:
4744 return true;
4745
4746 case BDADDR_LE_RANDOM:
4747 /* Two most significant bits shall be set */
4748 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4749 return false;
4750 return true;
4751 }
4752
4753 return false;
4754}
4755
4756static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4757 u16 len)
4758{
4759 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4760 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4761 sizeof(struct mgmt_irk_info));
41edf160
JH		 4762 u16 irk_count, expected_len;
4763 int i, err;
4764
4765 BT_DBG("request for %s", hdev->name);
4766
4767 if (!lmp_le_capable(hdev))
4768 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4769 MGMT_STATUS_NOT_SUPPORTED);
4770
4771 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4772 if (irk_count > max_irk_count) {
4773 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4774 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4775 MGMT_STATUS_INVALID_PARAMS);
4776 }
41edf160
JH		 4777
4778 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4779 if (expected_len != len) {
4780 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4781 expected_len, len);
41edf160
JH		 4782 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4783 MGMT_STATUS_INVALID_PARAMS);
4784 }
4785
4786 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4787
4788 for (i = 0; i < irk_count; i++) {
4789 struct mgmt_irk_info *key = &cp->irks[i];
4790
4791 if (!irk_is_valid(key))
4792 return cmd_status(sk, hdev->id,
4793 MGMT_OP_LOAD_IRKS,
4794 MGMT_STATUS_INVALID_PARAMS);
4795 }
4796
4797 hci_dev_lock(hdev);
4798
4799 hci_smp_irks_clear(hdev);
4800
4801 for (i = 0; i < irk_count; i++) {
4802 struct mgmt_irk_info *irk = &cp->irks[i];
4803 u8 addr_type;
4804
4805 if (irk->addr.type == BDADDR_LE_PUBLIC)
4806 addr_type = ADDR_LE_DEV_PUBLIC;
4807 else
4808 addr_type = ADDR_LE_DEV_RANDOM;
4809
4810 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4811 BDADDR_ANY);
4812 }
4813
4814 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4815
4816 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4817
4818 hci_dev_unlock(hdev);
4819
4820 return err;
4821}
4822
3f706b72
JH		 4823static bool ltk_is_valid(struct mgmt_ltk_info *key)
4824{
4825 if (key->master != 0x00 && key->master != 0x01)
4826 return false;
490cb0b3
MH		 4827
4828 switch (key->addr.type) {
4829 case BDADDR_LE_PUBLIC:
4830 return true;
4831
4832 case BDADDR_LE_RANDOM:
4833 /* Two most significant bits shall be set */
4834 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4835 return false;
4836 return true;
4837 }
4838
4839 return false;
3f706b72
JH		 4840}
4841
bdb6d971 4842static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4843 void *cp_data, u16 len)
346af67b 4844{
346af67b 4845 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4846 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4847 sizeof(struct mgmt_ltk_info));
346af67b 4848 u16 key_count, expected_len;
715a5bf2 4849 int i, err;
346af67b 4850
cf99ba13
MH		 4851 BT_DBG("request for %s", hdev->name);
4852
4853 if (!lmp_le_capable(hdev))
4854 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4855 MGMT_STATUS_NOT_SUPPORTED);
4856
1f350c87 4857 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4858 if (key_count > max_key_count) {
4859 BT_ERR("load_ltks: too big key_count value %u", key_count);
4860 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4861 MGMT_STATUS_INVALID_PARAMS);
4862 }
346af67b
VCG		 4863
4864 expected_len = sizeof(*cp) + key_count *
4865 sizeof(struct mgmt_ltk_info);
4866 if (expected_len != len) {
4867 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4868 expected_len, len);
bdb6d971 4869 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4870 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4871 }
4872
bdb6d971 4873 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4874
54ad6d8a
JH		 4875 for (i = 0; i < key_count; i++) {
4876 struct mgmt_ltk_info *key = &cp->keys[i];
4877
3f706b72 4878 if (!ltk_is_valid(key))
54ad6d8a
JH		 4879 return cmd_status(sk, hdev->id,
4880 MGMT_OP_LOAD_LONG_TERM_KEYS,
4881 MGMT_STATUS_INVALID_PARAMS);
4882 }
4883
346af67b
VCG		 4884 hci_dev_lock(hdev);
4885
4886 hci_smp_ltks_clear(hdev);
4887
4888 for (i = 0; i < key_count; i++) {
4889 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4890 u8 type, addr_type, authenticated;
79d95a19
MH		 4891
4892 if (key->addr.type == BDADDR_LE_PUBLIC)
4893 addr_type = ADDR_LE_DEV_PUBLIC;
4894 else
4895 addr_type = ADDR_LE_DEV_RANDOM;
346af67b 4896
61b43357
JH		 4897 switch (key->type) {
4898 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4899 authenticated = 0x00;
23fb8de3 4900 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 4901 break;
4902 case MGMT_LTK_AUTHENTICATED:
d7b25450 4903 authenticated = 0x01;
23fb8de3
JH		 4904 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4905 break;
4906 case MGMT_LTK_P256_UNAUTH:
4907 authenticated = 0x00;
4908 type = SMP_LTK_P256;
4909 break;
4910 case MGMT_LTK_P256_AUTH:
4911 authenticated = 0x01;
4912 type = SMP_LTK_P256;
61b43357 4913 break;
23fb8de3
JH		 4914 case MGMT_LTK_P256_DEBUG:
4915 authenticated = 0x00;
4916 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 4917 default:
4918 continue;
4919 }
d7b25450 4920
35d70271 4921 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4922 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4923 key->rand);
346af67b
VCG		 4924 }
4925
715a5bf2
JH		 4926 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4927 NULL, 0);
4928
346af67b 4929 hci_dev_unlock(hdev);
346af67b 4930
715a5bf2 4931 return err;
346af67b
VCG		 4932}
4933
dd983808
AK		 4934struct cmd_conn_lookup {
4935 struct hci_conn *conn;
4936 bool valid_tx_power;
4937 u8 mgmt_status;
4938};
4939
4940static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4941{
4942 struct cmd_conn_lookup *match = data;
4943 struct mgmt_cp_get_conn_info *cp;
4944 struct mgmt_rp_get_conn_info rp;
4945 struct hci_conn *conn = cmd->user_data;
4946
4947 if (conn != match->conn)
4948 return;
4949
4950 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4951
4952 memset(&rp, 0, sizeof(rp));
4953 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4954 rp.addr.type = cp->addr.type;
4955
4956 if (!match->mgmt_status) {
4957 rp.rssi = conn->rssi;
4958
eed5daf3 4959 if (match->valid_tx_power) {
dd983808 4960 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4961 rp.max_tx_power = conn->max_tx_power;
4962 } else {
dd983808 4963 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4964 rp.max_tx_power = HCI_TX_POWER_INVALID;
4965 }
dd983808
AK		 4966 }
4967
4968 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4969 match->mgmt_status, &rp, sizeof(rp));
4970
4971 hci_conn_drop(conn);
f8aaf9b6 4972 hci_conn_put(conn);
dd983808
AK		 4973
4974 mgmt_pending_remove(cmd);
4975}
4976
4977static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4978{
4979 struct hci_cp_read_rssi *cp;
4980 struct hci_conn *conn;
4981 struct cmd_conn_lookup match;
4982 u16 handle;
4983
4984 BT_DBG("status 0x%02x", status);
4985
4986 hci_dev_lock(hdev);
4987
4988 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 4989 * otherwise we assume it's not valid. At the moment we assume that
4990 * either both or none of current and max values are valid to keep code
4991 * simple.
dd983808
AK		 4992 */
4993 match.valid_tx_power = !status;
4994
4995 /* Commands sent in request are either Read RSSI or Read Transmit Power
4996 * Level so we check which one was last sent to retrieve connection
4997 * handle. Both commands have handle as first parameter so it's safe to
4998 * cast data on the same command struct.
4999 *
5000 * First command sent is always Read RSSI and we fail only if it fails.
5001 * In other case we simply override error to indicate success as we
5002 * already remembered if TX power value is actually valid.
5003 */
5004 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5005 if (!cp) {
5006 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
5007 status = 0;
5008 }
5009
5010 if (!cp) {
5011 BT_ERR("invalid sent_cmd in response");
5012 goto unlock;
5013 }
5014
5015 handle = __le16_to_cpu(cp->handle);
5016 conn = hci_conn_hash_lookup_handle(hdev, handle);
5017 if (!conn) {
5018 BT_ERR("unknown handle (%d) in response", handle);
5019 goto unlock;
5020 }
5021
5022 match.conn = conn;
5023 match.mgmt_status = mgmt_status(status);
5024
5025 /* Cache refresh is complete, now reply for mgmt request for given
5026 * connection only.
5027 */
5028 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
5029 get_conn_info_complete, &match);
5030
5031unlock:
5032 hci_dev_unlock(hdev);
5033}
5034
5035static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5036 u16 len)
5037{
5038 struct mgmt_cp_get_conn_info *cp = data;
5039 struct mgmt_rp_get_conn_info rp;
5040 struct hci_conn *conn;
5041 unsigned long conn_info_age;
5042 int err = 0;
5043
5044 BT_DBG("%s", hdev->name);
5045
5046 memset(&rp, 0, sizeof(rp));
5047 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5048 rp.addr.type = cp->addr.type;
5049
5050 if (!bdaddr_type_is_valid(cp->addr.type))
5051 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5052 MGMT_STATUS_INVALID_PARAMS,
5053 &rp, sizeof(rp));
5054
5055 hci_dev_lock(hdev);
5056
5057 if (!hdev_is_powered(hdev)) {
5058 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5059 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5060 goto unlock;
5061 }
5062
5063 if (cp->addr.type == BDADDR_BREDR)
5064 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5065 &cp->addr.bdaddr);
5066 else
5067 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5068
5069 if (!conn || conn->state != BT_CONNECTED) {
5070 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5071 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
5072 goto unlock;
5073 }
5074
5075 /* To avoid client trying to guess when to poll again for information we
5076 * calculate conn info age as random value between min/max set in hdev.
5077 */
5078 conn_info_age = hdev->conn_info_min_age +
5079 prandom_u32_max(hdev->conn_info_max_age -
5080 hdev->conn_info_min_age);
5081
5082 /* Query controller to refresh cached values if they are too old or were
5083 * never read.
5084 */
f4e2dd53
AK		 5085 if (time_after(jiffies, conn->conn_info_timestamp +
5086 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5087 !conn->conn_info_timestamp) {
5088 struct hci_request req;
5089 struct hci_cp_read_tx_power req_txp_cp;
5090 struct hci_cp_read_rssi req_rssi_cp;
5091 struct pending_cmd *cmd;
5092
5093 hci_req_init(&req, hdev);
5094 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5095 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5096 &req_rssi_cp);
5097
f7faab0c
AK		 5098 /* For LE links TX power does not change thus we don't need to
5099 * query for it once value is known.
5100 */
5101 if (!bdaddr_type_is_le(cp->addr.type) ||
5102 conn->tx_power == HCI_TX_POWER_INVALID) {
5103 req_txp_cp.handle = cpu_to_le16(conn->handle);
5104 req_txp_cp.type = 0x00;
5105 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5106 sizeof(req_txp_cp), &req_txp_cp);
5107 }
dd983808 5108
eed5daf3
AK		 5109 /* Max TX power needs to be read only once per connection */
5110 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5111 req_txp_cp.handle = cpu_to_le16(conn->handle);
5112 req_txp_cp.type = 0x01;
5113 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5114 sizeof(req_txp_cp), &req_txp_cp);
5115 }
5116
dd983808
AK		 5117 err = hci_req_run(&req, conn_info_refresh_complete);
5118 if (err < 0)
5119 goto unlock;
5120
5121 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5122 data, len);
5123 if (!cmd) {
5124 err = -ENOMEM;
5125 goto unlock;
5126 }
5127
5128 hci_conn_hold(conn);
f8aaf9b6 5129 cmd->user_data = hci_conn_get(conn);
dd983808
AK		 5130
5131 conn->conn_info_timestamp = jiffies;
5132 } else {
5133 /* Cache is valid, just reply with values cached in hci_conn */
5134 rp.rssi = conn->rssi;
5135 rp.tx_power = conn->tx_power;
eed5daf3 5136 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 5137
5138 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5139 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5140 }
5141
5142unlock:
5143 hci_dev_unlock(hdev);
5144 return err;
5145}
5146
95868426
JH		 5147static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
5148{
5149 struct mgmt_cp_get_clock_info *cp;
5150 struct mgmt_rp_get_clock_info rp;
5151 struct hci_cp_read_clock *hci_cp;
5152 struct pending_cmd *cmd;
5153 struct hci_conn *conn;
5154
5155 BT_DBG("%s status %u", hdev->name, status);
5156
5157 hci_dev_lock(hdev);
5158
5159 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5160 if (!hci_cp)
5161 goto unlock;
5162
5163 if (hci_cp->which) {
5164 u16 handle = __le16_to_cpu(hci_cp->handle);
5165 conn = hci_conn_hash_lookup_handle(hdev, handle);
5166 } else {
5167 conn = NULL;
5168 }
5169
5170 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5171 if (!cmd)
5172 goto unlock;
5173
5174 cp = cmd->param;
5175
5176 memset(&rp, 0, sizeof(rp));
5177 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
5178
5179 if (status)
5180 goto send_rsp;
5181
5182 rp.local_clock = cpu_to_le32(hdev->clock);
5183
5184 if (conn) {
5185 rp.piconet_clock = cpu_to_le32(conn->clock);
5186 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5187 }
5188
5189send_rsp:
5190 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
5191 &rp, sizeof(rp));
5192 mgmt_pending_remove(cmd);
f8aaf9b6 5193 if (conn) {
95868426 5194 hci_conn_drop(conn);
f8aaf9b6
JH		 5195 hci_conn_put(conn);
5196 }
95868426
JH		 5197
5198unlock:
5199 hci_dev_unlock(hdev);
5200}
5201
5202static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5203 u16 len)
5204{
5205 struct mgmt_cp_get_clock_info *cp = data;
5206 struct mgmt_rp_get_clock_info rp;
5207 struct hci_cp_read_clock hci_cp;
5208 struct pending_cmd *cmd;
5209 struct hci_request req;
5210 struct hci_conn *conn;
5211 int err;
5212
5213 BT_DBG("%s", hdev->name);
5214
5215 memset(&rp, 0, sizeof(rp));
5216 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5217 rp.addr.type = cp->addr.type;
5218
5219 if (cp->addr.type != BDADDR_BREDR)
5220 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5221 MGMT_STATUS_INVALID_PARAMS,
5222 &rp, sizeof(rp));
5223
5224 hci_dev_lock(hdev);
5225
5226 if (!hdev_is_powered(hdev)) {
5227 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5228 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5229 goto unlock;
5230 }
5231
5232 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5233 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5234 &cp->addr.bdaddr);
5235 if (!conn || conn->state != BT_CONNECTED) {
5236 err = cmd_complete(sk, hdev->id,
5237 MGMT_OP_GET_CLOCK_INFO,
5238 MGMT_STATUS_NOT_CONNECTED,
5239 &rp, sizeof(rp));
5240 goto unlock;
5241 }
5242 } else {
5243 conn = NULL;
5244 }
5245
5246 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5247 if (!cmd) {
5248 err = -ENOMEM;
5249 goto unlock;
5250 }
5251
5252 hci_req_init(&req, hdev);
5253
5254 memset(&hci_cp, 0, sizeof(hci_cp));
5255 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5256
5257 if (conn) {
5258 hci_conn_hold(conn);
f8aaf9b6 5259 cmd->user_data = hci_conn_get(conn);
95868426
JH		 5260
5261 hci_cp.handle = cpu_to_le16(conn->handle);
5262 hci_cp.which = 0x01; /* Piconet clock */
5263 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5264 }
5265
5266 err = hci_req_run(&req, get_clock_info_complete);
5267 if (err < 0)
5268 mgmt_pending_remove(cmd);
5269
5270unlock:
5271 hci_dev_unlock(hdev);
5272 return err;
5273}
5274
8afef092
MH		 5275static void device_added(struct sock *sk, struct hci_dev *hdev,
5276 bdaddr_t *bdaddr, u8 type, u8 action)
5277{
5278 struct mgmt_ev_device_added ev;
5279
5280 bacpy(&ev.addr.bdaddr, bdaddr);
5281 ev.addr.type = type;
5282 ev.action = action;
5283
5284 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5285}
5286
2faade53
MH		 5287static int add_device(struct sock *sk, struct hci_dev *hdev,
5288 void *data, u16 len)
5289{
5290 struct mgmt_cp_add_device *cp = data;
5291 u8 auto_conn, addr_type;
5292 int err;
5293
5294 BT_DBG("%s", hdev->name);
5295
6659358e 5296 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53
MH		 5297 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5298 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5299 MGMT_STATUS_INVALID_PARAMS,
5300 &cp->addr, sizeof(cp->addr));
5301
4b9e7e75 5302 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2faade53
MH		 5303 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5304 MGMT_STATUS_INVALID_PARAMS,
5305 &cp->addr, sizeof(cp->addr));
5306
5307 hci_dev_lock(hdev);
5308
6659358e 5309 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5310 /* Only incoming connections action is supported for now */
6659358e
JH		 5311 if (cp->action != 0x01) {
5312 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5313 MGMT_STATUS_INVALID_PARAMS,
5314 &cp->addr, sizeof(cp->addr));
5315 goto unlock;
5316 }
5317
5318 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5319 cp->addr.type);
5320 if (err)
5321 goto unlock;
a397407f 5322
432df05e 5323 hci_update_page_scan(hdev, NULL);
a397407f 5324
6659358e
JH		 5325 goto added;
5326 }
5327
2faade53
MH		 5328 if (cp->addr.type == BDADDR_LE_PUBLIC)
5329 addr_type = ADDR_LE_DEV_PUBLIC;
5330 else
5331 addr_type = ADDR_LE_DEV_RANDOM;
5332
4b9e7e75 5333 if (cp->action == 0x02)
2faade53 5334 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5335 else if (cp->action == 0x01)
5336 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5337 else
a3451d27 5338 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5339
bf5b3c8b
MH		 5340 /* If the connection parameters don't exist for this device,
5341 * they will be created and configured with defaults.
5342 */
d06b50ce
MH		 5343 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5344 auto_conn) < 0) {
2faade53
MH		 5345 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5346 MGMT_STATUS_FAILED,
5347 &cp->addr, sizeof(cp->addr));
5348 goto unlock;
5349 }
5350
6659358e 5351added:
8afef092
MH		 5352 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5353
2faade53
MH		 5354 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5355 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5356
5357unlock:
5358 hci_dev_unlock(hdev);
5359 return err;
5360}
5361
8afef092
MH		 5362static void device_removed(struct sock *sk, struct hci_dev *hdev,
5363 bdaddr_t *bdaddr, u8 type)
5364{
5365 struct mgmt_ev_device_removed ev;
5366
5367 bacpy(&ev.addr.bdaddr, bdaddr);
5368 ev.addr.type = type;
5369
5370 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5371}
5372
2faade53
MH		 5373static int remove_device(struct sock *sk, struct hci_dev *hdev,
5374 void *data, u16 len)
5375{
5376 struct mgmt_cp_remove_device *cp = data;
5377 int err;
5378
5379 BT_DBG("%s", hdev->name);
5380
5381 hci_dev_lock(hdev);
5382
5383 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5384 struct hci_conn_params *params;
2faade53
MH		 5385 u8 addr_type;
5386
6659358e 5387 if (!bdaddr_type_is_valid(cp->addr.type)) {
2faade53
MH		 5388 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5389 MGMT_STATUS_INVALID_PARAMS,
5390 &cp->addr, sizeof(cp->addr));
5391 goto unlock;
5392 }
5393
6659358e
JH		 5394 if (cp->addr.type == BDADDR_BREDR) {
5395 err = hci_bdaddr_list_del(&hdev->whitelist,
5396 &cp->addr.bdaddr,
5397 cp->addr.type);
5398 if (err) {
5399 err = cmd_complete(sk, hdev->id,
5400 MGMT_OP_REMOVE_DEVICE,
5401 MGMT_STATUS_INVALID_PARAMS,
5402 &cp->addr, sizeof(cp->addr));
5403 goto unlock;
5404 }
5405
432df05e 5406 hci_update_page_scan(hdev, NULL);
a397407f 5407
6659358e
JH		 5408 device_removed(sk, hdev, &cp->addr.bdaddr,
5409 cp->addr.type);
5410 goto complete;
5411 }
5412
2faade53
MH		 5413 if (cp->addr.type == BDADDR_LE_PUBLIC)
5414 addr_type = ADDR_LE_DEV_PUBLIC;
5415 else
5416 addr_type = ADDR_LE_DEV_RANDOM;
5417
c71593dd
JH		 5418 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5419 addr_type);
5420 if (!params) {
5421 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5422 MGMT_STATUS_INVALID_PARAMS,
5423 &cp->addr, sizeof(cp->addr));
5424 goto unlock;
5425 }
5426
5427 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
5428 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5429 MGMT_STATUS_INVALID_PARAMS,
5430 &cp->addr, sizeof(cp->addr));
5431 goto unlock;
5432 }
5433
d1dbf12e 5434 list_del(&params->action);
c71593dd
JH		 5435 list_del(&params->list);
5436 kfree(params);
95305baa 5437 hci_update_background_scan(hdev);
8afef092
MH		 5438
5439 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5440 } else {
19de0825 5441 struct hci_conn_params *p, *tmp;
6659358e 5442 struct bdaddr_list *b, *btmp;
19de0825 5443
2faade53
MH		 5444 if (cp->addr.type) {
5445 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5446 MGMT_STATUS_INVALID_PARAMS,
5447 &cp->addr, sizeof(cp->addr));
5448 goto unlock;
5449 }
5450
6659358e
JH		 5451 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5452 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5453 list_del(&b->list);
5454 kfree(b);
5455 }
5456
432df05e 5457 hci_update_page_scan(hdev, NULL);
a397407f 5458
19de0825
JH		 5459 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5460 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5461 continue;
5462 device_removed(sk, hdev, &p->addr, p->addr_type);
5463 list_del(&p->action);
5464 list_del(&p->list);
5465 kfree(p);
5466 }
5467
5468 BT_DBG("All LE connection parameters were removed");
5469
5470 hci_update_background_scan(hdev);
2faade53
MH		 5471 }
5472
6659358e 5473complete:
2faade53
MH		 5474 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5475 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5476
5477unlock:
5478 hci_dev_unlock(hdev);
5479 return err;
5480}
5481
a26f3dcf
JH		 5482static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5483 u16 len)
5484{
5485 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5486 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5487 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5488 u16 param_count, expected_len;
5489 int i;
5490
5491 if (!lmp_le_capable(hdev))
5492 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5493 MGMT_STATUS_NOT_SUPPORTED);
5494
5495 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5496 if (param_count > max_param_count) {
5497 BT_ERR("load_conn_param: too big param_count value %u",
5498 param_count);
5499 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5500 MGMT_STATUS_INVALID_PARAMS);
5501 }
a26f3dcf
JH		 5502
5503 expected_len = sizeof(*cp) + param_count *
5504 sizeof(struct mgmt_conn_param);
5505 if (expected_len != len) {
5506 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5507 expected_len, len);
5508 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5509 MGMT_STATUS_INVALID_PARAMS);
5510 }
5511
5512 BT_DBG("%s param_count %u", hdev->name, param_count);
5513
5514 hci_dev_lock(hdev);
5515
5516 hci_conn_params_clear_disabled(hdev);
5517
5518 for (i = 0; i < param_count; i++) {
5519 struct mgmt_conn_param *param = &cp->params[i];
5520 struct hci_conn_params *hci_param;
5521 u16 min, max, latency, timeout;
5522 u8 addr_type;
5523
5524 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5525 param->addr.type);
5526
5527 if (param->addr.type == BDADDR_LE_PUBLIC) {
5528 addr_type = ADDR_LE_DEV_PUBLIC;
5529 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5530 addr_type = ADDR_LE_DEV_RANDOM;
5531 } else {
5532 BT_ERR("Ignoring invalid connection parameters");
5533 continue;
5534 }
5535
5536 min = le16_to_cpu(param->min_interval);
5537 max = le16_to_cpu(param->max_interval);
5538 latency = le16_to_cpu(param->latency);
5539 timeout = le16_to_cpu(param->timeout);
5540
5541 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5542 min, max, latency, timeout);
5543
5544 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5545 BT_ERR("Ignoring invalid connection parameters");
5546 continue;
5547 }
5548
5549 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5550 addr_type);
5551 if (!hci_param) {
5552 BT_ERR("Failed to add connection parameters");
5553 continue;
5554 }
5555
5556 hci_param->conn_min_interval = min;
5557 hci_param->conn_max_interval = max;
5558 hci_param->conn_latency = latency;
5559 hci_param->supervision_timeout = timeout;
5560 }
5561
5562 hci_dev_unlock(hdev);
5563
5564 return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
5565}
5566
dbece37a
MH		 5567static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5568 void *data, u16 len)
5569{
5570 struct mgmt_cp_set_external_config *cp = data;
5571 bool changed;
5572 int err;
5573
5574 BT_DBG("%s", hdev->name);
5575
5576 if (hdev_is_powered(hdev))
5577 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5578 MGMT_STATUS_REJECTED);
5579
5580 if (cp->config != 0x00 && cp->config != 0x01)
5581 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5582 MGMT_STATUS_INVALID_PARAMS);
5583
5584 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5585 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5586 MGMT_STATUS_NOT_SUPPORTED);
5587
5588 hci_dev_lock(hdev);
5589
5590 if (cp->config)
5591 changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
5592 &hdev->dev_flags);
5593 else
5594 changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
5595 &hdev->dev_flags);
5596
5597 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5598 if (err < 0)
5599 goto unlock;
5600
5601 if (!changed)
5602 goto unlock;
5603
f4537c04
MH		 5604 err = new_options(hdev, sk);
5605
dbece37a
MH		 5606 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
5607 mgmt_index_removed(hdev);
d603b76b
MH		 5608
5609 if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
5610 set_bit(HCI_CONFIG, &hdev->dev_flags);
5611 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5612
5613 queue_work(hdev->req_workqueue, &hdev->power_on);
5614 } else {
5ea234d3 5615 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5616 mgmt_index_added(hdev);
5617 }
dbece37a
MH		 5618 }
5619
5620unlock:
5621 hci_dev_unlock(hdev);
5622 return err;
5623}
5624
9713c17b
MH		 5625static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5626 void *data, u16 len)
5627{
5628 struct mgmt_cp_set_public_address *cp = data;
5629 bool changed;
5630 int err;
5631
5632 BT_DBG("%s", hdev->name);
5633
5634 if (hdev_is_powered(hdev))
5635 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5636 MGMT_STATUS_REJECTED);
5637
5638 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5639 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5640 MGMT_STATUS_INVALID_PARAMS);
5641
5642 if (!hdev->set_bdaddr)
5643 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5644 MGMT_STATUS_NOT_SUPPORTED);
5645
5646 hci_dev_lock(hdev);
5647
5648 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5649 bacpy(&hdev->public_addr, &cp->bdaddr);
5650
5651 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5652 if (err < 0)
5653 goto unlock;
5654
5655 if (!changed)
5656 goto unlock;
5657
5658 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5659 err = new_options(hdev, sk);
5660
5661 if (is_configured(hdev)) {
5662 mgmt_index_removed(hdev);
5663
5664 clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
5665
5666 set_bit(HCI_CONFIG, &hdev->dev_flags);
5667 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5668
5669 queue_work(hdev->req_workqueue, &hdev->power_on);
5670 }
5671
5672unlock:
5673 hci_dev_unlock(hdev);
5674 return err;
5675}
5676
2e3c35ea 5677static const struct mgmt_handler {
04124681
GP		 5678 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5679 u16 data_len);
be22b54e
JH		 5680 bool var_len;
5681 size_t data_len;
0f4e68cf
JH		 5682} mgmt_handlers[] = {
5683 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5684 { read_version, false, MGMT_READ_VERSION_SIZE },
5685 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5686 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5687 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5688 { set_powered, false, MGMT_SETTING_SIZE },
5689 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5690 { set_connectable, false, MGMT_SETTING_SIZE },
5691 { set_fast_connectable, false, MGMT_SETTING_SIZE },
b2939475 5692 { set_bondable, false, MGMT_SETTING_SIZE },
be22b54e
JH		 5693 { set_link_security, false, MGMT_SETTING_SIZE },
5694 { set_ssp, false, MGMT_SETTING_SIZE },
5695 { set_hs, false, MGMT_SETTING_SIZE },
5696 { set_le, false, MGMT_SETTING_SIZE },
5697 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5698 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5699 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5700 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5701 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5702 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5703 { disconnect, false, MGMT_DISCONNECT_SIZE },
5704 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5705 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5706 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5707 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5708 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5709 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5710 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5711 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5712 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5713 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5714 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5715 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5716 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5717 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5718 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5719 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5720 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5721 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5722 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5723 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5724 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5725 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5726 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5727 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5728 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5729 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5730 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5731 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5732 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5733 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5734 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5735 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
73d1df2a
MH		 5736 { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
5737 { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
9fc3bfb6 5738 { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
dbece37a 5739 { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
9713c17b 5740 { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
0f4e68cf
JH		 5741};
5742
0381101f
JH		 5743int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5744{
650f726d
VCG		 5745 void *buf;
5746 u8 *cp;
0381101f 5747 struct mgmt_hdr *hdr;
4e51eae9 5748 u16 opcode, index, len;
bdb6d971 5749 struct hci_dev *hdev = NULL;
2e3c35ea 5750 const struct mgmt_handler *handler;
0381101f
JH		 5751 int err;
5752
5753 BT_DBG("got %zu bytes", msglen);
5754
5755 if (msglen < sizeof(*hdr))
5756 return -EINVAL;
5757
e63a15ec 5758 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5759 if (!buf)
5760 return -ENOMEM;
5761
5762 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5763 err = -EFAULT;
5764 goto done;
5765 }
5766
650f726d 5767 hdr = buf;
1f350c87
MH		 5768 opcode = __le16_to_cpu(hdr->opcode);
5769 index = __le16_to_cpu(hdr->index);
5770 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5771
5772 if (len != msglen - sizeof(*hdr)) {
5773 err = -EINVAL;
5774 goto done;
5775 }
5776
0f4e68cf 5777 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5778 hdev = hci_dev_get(index);
5779 if (!hdev) {
5780 err = cmd_status(sk, index, opcode,
04124681 5781 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5782 goto done;
5783 }
0736cfa8 5784
cebf4cfd 5785 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
d603b76b 5786 test_bit(HCI_CONFIG, &hdev->dev_flags) ||
4a964404 5787 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
0736cfa8
MH		 5788 err = cmd_status(sk, index, opcode,
5789 MGMT_STATUS_INVALID_INDEX);
5790 goto done;
5791 }
42a9bc14
MH		 5792
5793 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
dbece37a 5794 opcode != MGMT_OP_READ_CONFIG_INFO &&
9713c17b
MH		 5795 opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
5796 opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
42a9bc14
MH		 5797 err = cmd_status(sk, index, opcode,
5798 MGMT_STATUS_INVALID_INDEX);
5799 goto done;
5800 }
bdb6d971
JH		 5801 }
5802
0f4e68cf 5803 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5804 mgmt_handlers[opcode].func == NULL) {
0381101f 5805 BT_DBG("Unknown op %u", opcode);
ca69b795 5806 err = cmd_status(sk, index, opcode,
04124681 5807 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5808 goto done;
5809 }
5810
73d1df2a
MH		 5811 if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
5812 opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
5813 err = cmd_status(sk, index, opcode,
5814 MGMT_STATUS_INVALID_INDEX);
5815 goto done;
5816 }
5817
5818 if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
5819 opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
0f4e68cf 5820 err = cmd_status(sk, index, opcode,
04124681 5821 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5822 goto done;
0381101f
JH		 5823 }
5824
be22b54e
JH		 5825 handler = &mgmt_handlers[opcode];
5826
5827 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5828 (!handler->var_len && len != handler->data_len)) {
be22b54e 5829 err = cmd_status(sk, index, opcode,
04124681 5830 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5831 goto done;
5832 }
5833
0f4e68cf
JH		 5834 if (hdev)
5835 mgmt_init_hdev(sk, hdev);
5836
5837 cp = buf + sizeof(*hdr);
5838
be22b54e 5839 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5840 if (err < 0)
5841 goto done;
5842
0381101f
JH		 5843 err = msglen;
5844
5845done:
bdb6d971
JH		 5846 if (hdev)
5847 hci_dev_put(hdev);
5848
0381101f
JH		 5849 kfree(buf);
5850 return err;
5851}
c71e97bf 5852
bf6b56db 5853void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5854{
1514b892 5855 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5856 return;
bb4b2a9a 5857
0602a8ad
MH		 5858 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5859 return;
5860
5861 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5862 mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
5863 else
5864 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5865}
5866
bf6b56db 5867void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5868{
5f159032 5869 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 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
744cf19e 5877 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5878
edd3896b
MH		 5879 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5880 mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
5881 else
5882 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5883}
5884
6046dc3e 5885/* This function requires the caller holds hdev->lock */
d7347f3c 5886static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 5887{
5888 struct hci_conn_params *p;
5889
5890 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 5891 /* Needed for AUTO_OFF case where might not "really"
5892 * have been powered off.
5893 */
5894 list_del_init(&p->action);
5895
5896 switch (p->auto_connect) {
4b9e7e75 5897 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 5898 case HCI_AUTO_CONN_ALWAYS:
5899 list_add(&p->action, &hdev->pend_le_conns);
5900 break;
5901 case HCI_AUTO_CONN_REPORT:
5902 list_add(&p->action, &hdev->pend_le_reports);
5903 break;
5904 default:
5905 break;
c83ed19d 5906 }
6046dc3e 5907 }
c83ed19d 5908
c83ed19d 5909 hci_update_background_scan(hdev);
6046dc3e
AG		 5910}
5911
229ab39c
JH		 5912static void powered_complete(struct hci_dev *hdev, u8 status)
5913{
5914 struct cmd_lookup match = { NULL, hdev };
5915
5916 BT_DBG("status 0x%02x", status);
5917
5918 hci_dev_lock(hdev);
5919
d7347f3c 5920 restart_le_actions(hdev);
6046dc3e 5921
229ab39c
JH		 5922 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5923
5924 new_settings(hdev, match.sk);
5925
5926 hci_dev_unlock(hdev);
5927
5928 if (match.sk)
5929 sock_put(match.sk);
5930}
5931
70da6243 5932static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5933{
890ea898 5934 struct hci_request req;
70da6243 5935 u8 link_sec;
5add6af8 5936
890ea898
JH		 5937 hci_req_init(&req, hdev);
5938
70da6243
JH		 5939 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5940 !lmp_host_ssp_capable(hdev)) {
5941 u8 ssp = 1;
5e5282bb 5942
890ea898 5943 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5944 }
5add6af8 5945
c73eee91
JH		 5946 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5947 lmp_bredr_capable(hdev)) {
70da6243 5948 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5949
32226e4f
MH		 5950 cp.le = 0x01;
5951 cp.simul = 0x00;
3d1cbdd6 5952
70da6243
JH		 5953 /* Check first if we already have the right
5954 * host state (host features set)
5955 */
5956 if (cp.le != lmp_host_le_capable(hdev) ||
5957 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5958 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5959 sizeof(cp), &cp);
70da6243 5960 }
3d1cbdd6 5961
d13eafce 5962 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5963 /* Make sure the controller has a good default for
5964 * advertising data. This also applies to the case
5965 * where BR/EDR was toggled during the AUTO_OFF phase.
5966 */
f14d8f64 5967 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5968 update_adv_data(&req);
f14d8f64
MH		 5969 update_scan_rsp_data(&req);
5970 }
441ad2d0 5971
bba3aa55
MH		 5972 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5973 enable_advertising(&req);
eeca6f89
JH		 5974 }
5975
70da6243
JH		 5976 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5977 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5978 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5979 sizeof(link_sec), &link_sec);
562fcc24 5980
70da6243 5981 if (lmp_bredr_capable(hdev)) {
432df05e
JH		 5982 write_fast_connectable(&req, false);
5983 hci_update_page_scan(hdev, &req);
890ea898 5984 update_class(&req);
13928971 5985 update_name(&req);
890ea898 5986 update_eir(&req);
70da6243 5987 }
562fcc24 5988
229ab39c 5989 return hci_req_run(&req, powered_complete);
70da6243 5990}
562fcc24 5991
70da6243
JH		 5992int mgmt_powered(struct hci_dev *hdev, u8 powered)
5993{
5994 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 5995 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
5996 u8 zero_cod[] = { 0, 0, 0 };
70da6243 5997 int err;
f0ff92fb 5998
70da6243
JH		 5999 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
6000 return 0;
6001
70da6243 6002 if (powered) {
229ab39c
JH		 6003 if (powered_update_hci(hdev) == 0)
6004 return 0;
fe038884 6005
229ab39c
JH		 6006 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
6007 &match);
6008 goto new_settings;
b24752fe
JH		 6009 }
6010
229ab39c
JH		 6011 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6012 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
6013
6014 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
6015 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6016 zero_cod, sizeof(zero_cod), NULL);
6017
6018new_settings:
beadb2bd 6019 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 6020
6021 if (match.sk)
6022 sock_put(match.sk);
6023
7bb895d6 6024 return err;
5add6af8 6025}
73f22f62 6026
3eec705e 6027void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 6028{
6029 struct pending_cmd *cmd;
6030 u8 status;
6031
6032 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6033 if (!cmd)
3eec705e 6034 return;
96570ffc
JH		 6035
6036 if (err == -ERFKILL)
6037 status = MGMT_STATUS_RFKILLED;
6038 else
6039 status = MGMT_STATUS_FAILED;
6040
3eec705e 6041 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 6042
6043 mgmt_pending_remove(cmd);
96570ffc
JH		 6044}
6045
d1967ff8
MH		 6046void mgmt_discoverable_timeout(struct hci_dev *hdev)
6047{
6048 struct hci_request req;
d1967ff8
MH		 6049
6050 hci_dev_lock(hdev);
6051
6052 /* When discoverable timeout triggers, then just make sure
6053 * the limited discoverable flag is cleared. Even in the case
6054 * of a timeout triggered from general discoverable, it is
6055 * safe to unconditionally clear the flag.
6056 */
6057 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 6058 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 6059
6060 hci_req_init(&req, hdev);
4b580614
JH		 6061 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
6062 u8 scan = SCAN_PAGE;
6063 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
6064 sizeof(scan), &scan);
6065 }
d1967ff8 6066 update_class(&req);
9a43e25f 6067 update_adv_data(&req);
d1967ff8
MH		 6068 hci_req_run(&req, NULL);
6069
6070 hdev->discov_timeout = 0;
6071
9a43e25f
JH		 6072 new_settings(hdev, NULL);
6073
d1967ff8
MH		 6074 hci_dev_unlock(hdev);
6075}
6076
dc4a5ee2
MH		 6077void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6078 bool persistent)
55ed8ca1 6079{
86742e1e 6080 struct mgmt_ev_new_link_key ev;
55ed8ca1 6081
a492cd52 6082 memset(&ev, 0, sizeof(ev));
55ed8ca1 6083
a492cd52 6084 ev.store_hint = persistent;
d753fdc4 6085 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6086 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6087 ev.key.type = key->type;
9b3b4460 6088 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6089 ev.key.pin_len = key->pin_len;
55ed8ca1 6090
dc4a5ee2 6091 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6092}
f7520543 6093
d7b25450
JH		 6094static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6095{
23fb8de3
JH		 6096 switch (ltk->type) {
6097 case SMP_LTK:
6098 case SMP_LTK_SLAVE:
6099 if (ltk->authenticated)
6100 return MGMT_LTK_AUTHENTICATED;
6101 return MGMT_LTK_UNAUTHENTICATED;
6102 case SMP_LTK_P256:
6103 if (ltk->authenticated)
6104 return MGMT_LTK_P256_AUTH;
6105 return MGMT_LTK_P256_UNAUTH;
6106 case SMP_LTK_P256_DEBUG:
6107 return MGMT_LTK_P256_DEBUG;
6108 }
d7b25450
JH		 6109
6110 return MGMT_LTK_UNAUTHENTICATED;
6111}
6112
53ac6ab6 6113void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6114{
6115 struct mgmt_ev_new_long_term_key ev;
6116
6117 memset(&ev, 0, sizeof(ev));
6118
5192d301
MH		 6119 /* Devices using resolvable or non-resolvable random addresses
6120 * without providing an indentity resolving key don't require
6121 * to store long term keys. Their addresses will change the
6122 * next time around.
6123 *
6124 * Only when a remote device provides an identity address
6125 * make sure the long term key is stored. If the remote
6126 * identity is known, the long term keys are internally
6127 * mapped to the identity address. So allow static random
6128 * and public addresses here.
6129 */
ba74b666
JH		 6130 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6131 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6132 ev.store_hint = 0x00;
6133 else
53ac6ab6 6134 ev.store_hint = persistent;
ba74b666 6135
346af67b 6136 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6137 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6138 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6139 ev.key.enc_size = key->enc_size;
6140 ev.key.ediv = key->ediv;
fe39c7b2 6141 ev.key.rand = key->rand;
346af67b 6142
2ceba539 6143 if (key->type == SMP_LTK)
346af67b
VCG		 6144 ev.key.master = 1;
6145
346af67b
VCG		 6146 memcpy(ev.key.val, key->val, sizeof(key->val));
6147
083368f7 6148 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6149}
6150
95fbac8a
JH		 6151void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
6152{
6153 struct mgmt_ev_new_irk ev;
6154
6155 memset(&ev, 0, sizeof(ev));
6156
bab6d1e5
MH		 6157 /* For identity resolving keys from devices that are already
6158 * using a public address or static random address, do not
6159 * ask for storing this key. The identity resolving key really
6160 * is only mandatory for devices using resovlable random
6161 * addresses.
6162 *
6163 * Storing all identity resolving keys has the downside that
6164 * they will be also loaded on next boot of they system. More
6165 * identity resolving keys, means more time during scanning is
6166 * needed to actually resolve these addresses.
6167 */
6168 if (bacmp(&irk->rpa, BDADDR_ANY))
6169 ev.store_hint = 0x01;
6170 else
6171 ev.store_hint = 0x00;
6172
95fbac8a
JH		 6173 bacpy(&ev.rpa, &irk->rpa);
6174 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6175 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6176 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6177
6178 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6179}
6180
53ac6ab6
MH		 6181void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6182 bool persistent)
7ee4ea36
MH		 6183{
6184 struct mgmt_ev_new_csrk ev;
6185
6186 memset(&ev, 0, sizeof(ev));
6187
6188 /* Devices using resolvable or non-resolvable random addresses
6189 * without providing an indentity resolving key don't require
6190 * to store signature resolving keys. Their addresses will change
6191 * the next time around.
6192 *
6193 * Only when a remote device provides an identity address
6194 * make sure the signature resolving key is stored. So allow
6195 * static random and public addresses here.
6196 */
6197 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6198 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6199 ev.store_hint = 0x00;
6200 else
53ac6ab6 6201 ev.store_hint = persistent;
7ee4ea36
MH		 6202
6203 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6204 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6205 ev.key.master = csrk->master;
6206 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6207
6208 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6209}
6210
ffb5a827 6211void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6212 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6213 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6214{
6215 struct mgmt_ev_new_conn_param ev;
6216
c103aea6
JH		 6217 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6218 return;
6219
ffb5a827
AG		 6220 memset(&ev, 0, sizeof(ev));
6221 bacpy(&ev.addr.bdaddr, bdaddr);
6222 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6223 ev.store_hint = store_hint;
ffb5a827
AG		 6224 ev.min_interval = cpu_to_le16(min_interval);
6225 ev.max_interval = cpu_to_le16(max_interval);
6226 ev.latency = cpu_to_le16(latency);
6227 ev.timeout = cpu_to_le16(timeout);
6228
6229 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6230}
6231
94933991
MH		 6232static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6233 u8 data_len)
6234{
6235 eir[eir_len++] = sizeof(type) + data_len;
6236 eir[eir_len++] = type;
6237 memcpy(&eir[eir_len], data, data_len);
6238 eir_len += data_len;
6239
6240 return eir_len;
6241}
6242
48ec92fa
AA		 6243void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
6244 u32 flags, u8 *name, u8 name_len)
f7520543 6245{
b644ba33
JH		 6246 char buf[512];
6247 struct mgmt_ev_device_connected *ev = (void *) buf;
6248 u16 eir_len = 0;
f7520543 6249
48ec92fa
AA		 6250 bacpy(&ev->addr.bdaddr, &conn->dst);
6251 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 6252
c95f0ba7 6253 ev->flags = __cpu_to_le32(flags);
08c79b61 6254
fd45ada9
AA		 6255 /* We must ensure that the EIR Data fields are ordered and
6256 * unique. Keep it simple for now and avoid the problem by not
6257 * adding any BR/EDR data to the LE adv.
6258 */
6259 if (conn->le_adv_data_len > 0) {
6260 memcpy(&ev->eir[eir_len],
6261 conn->le_adv_data, conn->le_adv_data_len);
6262 eir_len = conn->le_adv_data_len;
6263 } else {
6264 if (name_len > 0)
6265 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
6266 name, name_len);
b644ba33 6267
ddbea5cf 6268 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 6269 eir_len = eir_append_data(ev->eir, eir_len,
6270 EIR_CLASS_OF_DEV,
6271 conn->dev_class, 3);
6272 }
b644ba33 6273
eb55ef07 6274 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6275
ecd90ae7
MH		 6276 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6277 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6278}
6279
8962ee74
JH		 6280static void disconnect_rsp(struct pending_cmd *cmd, void *data)
6281{
c68fb7ff 6282 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 6283 struct sock **sk = data;
a38528f1 6284 struct mgmt_rp_disconnect rp;
8962ee74 6285
88c3df13
JH		 6286 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6287 rp.addr.type = cp->addr.type;
8962ee74 6288
aee9b218 6289 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 6290 sizeof(rp));
8962ee74
JH		 6291
6292 *sk = cmd->sk;
6293 sock_hold(*sk);
6294
a664b5bc 6295 mgmt_pending_remove(cmd);
8962ee74
JH		 6296}
6297
124f6e35 6298static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 6299{
b1078ad0 6300 struct hci_dev *hdev = data;
124f6e35
JH		 6301 struct mgmt_cp_unpair_device *cp = cmd->param;
6302 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 6303
6304 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 6305 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6306 rp.addr.type = cp->addr.type;
a8a1d19e 6307
b1078ad0
JH		 6308 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6309
aee9b218 6310 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 6311
6312 mgmt_pending_remove(cmd);
6313}
6314
84c61d92
JH		 6315bool mgmt_powering_down(struct hci_dev *hdev)
6316{
6317 struct pending_cmd *cmd;
6318 struct mgmt_mode *cp;
6319
6320 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6321 if (!cmd)
6322 return false;
6323
6324 cp = cmd->param;
6325 if (!cp->val)
6326 return true;
6327
6328 return false;
6329}
6330
9b80ec5e 6331void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6332 u8 link_type, u8 addr_type, u8 reason,
6333 bool mgmt_connected)
f7520543 6334{
f0d6a0ea 6335 struct mgmt_ev_device_disconnected ev;
8962ee74 6336 struct sock *sk = NULL;
8962ee74 6337
84c61d92
JH		 6338 /* The connection is still in hci_conn_hash so test for 1
6339 * instead of 0 to know if this is the last one.
6340 */
6341 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6342 cancel_delayed_work(&hdev->power_off);
6343 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6344 }
6345
12d4a3b2
JH		 6346 if (!mgmt_connected)
6347 return;
6348
57eb776f
AG		 6349 if (link_type != ACL_LINK && link_type != LE_LINK)
6350 return;
6351
744cf19e 6352 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6353
f0d6a0ea
MA		 6354 bacpy(&ev.addr.bdaddr, bdaddr);
6355 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6356 ev.reason = reason;
f7520543 6357
9b80ec5e 6358 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6359
6360 if (sk)
d97dcb66 6361 sock_put(sk);
8962ee74 6362
124f6e35 6363 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6364 hdev);
8962ee74
JH		 6365}
6366
7892924c
MH		 6367void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6368 u8 link_type, u8 addr_type, u8 status)
8962ee74 6369{
3655bba8
AG		 6370 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6371 struct mgmt_cp_disconnect *cp;
88c3df13 6372 struct mgmt_rp_disconnect rp;
8962ee74 6373 struct pending_cmd *cmd;
8962ee74 6374
36a75f1b
JD		 6375 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6376 hdev);
6377
2e58ef3e 6378 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6379 if (!cmd)
7892924c 6380 return;
8962ee74 6381
3655bba8
AG		 6382 cp = cmd->param;
6383
6384 if (bacmp(bdaddr, &cp->addr.bdaddr))
6385 return;
6386
6387 if (cp->addr.type != bdaddr_type)
6388 return;
6389
88c3df13 6390 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 6391 rp.addr.type = bdaddr_type;
37d9ef76 6392
7892924c
MH		 6393 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
6394 mgmt_status(status), &rp, sizeof(rp));
8962ee74 6395
a664b5bc 6396 mgmt_pending_remove(cmd);
f7520543 6397}
17d5c04c 6398
445608d0
MH		 6399void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6400 u8 addr_type, u8 status)
17d5c04c
JH		 6401{
6402 struct mgmt_ev_connect_failed ev;
c9910d0f 6403
84c61d92
JH		 6404 /* The connection is still in hci_conn_hash so test for 1
6405 * instead of 0 to know if this is the last one.
6406 */
6407 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6408 cancel_delayed_work(&hdev->power_off);
6409 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6410 }
17d5c04c 6411
4c659c39 6412 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6413 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6414 ev.status = mgmt_status(status);
17d5c04c 6415
445608d0 6416 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6417}
980e1a53 6418
ce0e4a0d 6419void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6420{
6421 struct mgmt_ev_pin_code_request ev;
6422
d8457698 6423 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6424 ev.addr.type = BDADDR_BREDR;
a770bb5a 6425 ev.secure = secure;
980e1a53 6426
ce0e4a0d 6427 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6428}
6429
e669cf80
MH		 6430void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6431 u8 status)
980e1a53
JH		 6432{
6433 struct pending_cmd *cmd;
ac56fb13 6434 struct mgmt_rp_pin_code_reply rp;
980e1a53 6435
2e58ef3e 6436 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6437 if (!cmd)
e669cf80 6438 return;
980e1a53 6439
d8457698 6440 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6441 rp.addr.type = BDADDR_BREDR;
ac56fb13 6442
e669cf80
MH		 6443 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
6444 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6445
a664b5bc 6446 mgmt_pending_remove(cmd);
980e1a53
JH		 6447}
6448
3eb38528
MH		 6449void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6450 u8 status)
980e1a53
JH		 6451{
6452 struct pending_cmd *cmd;
ac56fb13 6453 struct mgmt_rp_pin_code_reply rp;
980e1a53 6454
2e58ef3e 6455 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6456 if (!cmd)
3eb38528 6457 return;
980e1a53 6458
d8457698 6459 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6460 rp.addr.type = BDADDR_BREDR;
ac56fb13 6461
3eb38528
MH		 6462 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
6463 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6464
a664b5bc 6465 mgmt_pending_remove(cmd);
980e1a53 6466}
a5c29683 6467
744cf19e 6468int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6469 u8 link_type, u8 addr_type, u32 value,
04124681 6470 u8 confirm_hint)
a5c29683
JH		 6471{
6472 struct mgmt_ev_user_confirm_request ev;
6473
744cf19e 6474 BT_DBG("%s", hdev->name);
a5c29683 6475
272d90df 6476 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6477 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6478 ev.confirm_hint = confirm_hint;
39adbffe 6479 ev.value = cpu_to_le32(value);
a5c29683 6480
744cf19e 6481 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6482 NULL);
a5c29683
JH		 6483}
6484
272d90df 6485int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6486 u8 link_type, u8 addr_type)
604086b7
BG		 6487{
6488 struct mgmt_ev_user_passkey_request ev;
6489
6490 BT_DBG("%s", hdev->name);
6491
272d90df 6492 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6493 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6494
6495 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6496 NULL);
604086b7
BG		 6497}
6498
0df4c185 6499static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6500 u8 link_type, u8 addr_type, u8 status,
6501 u8 opcode)
a5c29683
JH		 6502{
6503 struct pending_cmd *cmd;
6504 struct mgmt_rp_user_confirm_reply rp;
6505 int err;
6506
2e58ef3e 6507 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH		 6508 if (!cmd)
6509 return -ENOENT;
6510
272d90df 6511 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 6512 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 6513 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 6514 &rp, sizeof(rp));
a5c29683 6515
a664b5bc 6516 mgmt_pending_remove(cmd);
a5c29683
JH		 6517
6518 return err;
6519}
6520
744cf19e 6521int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6522 u8 link_type, u8 addr_type, u8 status)
a5c29683 6523{
272d90df 6524 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6525 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6526}
6527
272d90df 6528int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6529 u8 link_type, u8 addr_type, u8 status)
a5c29683 6530{
272d90df 6531 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6532 status,
6533 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6534}
2a611692 6535
604086b7 6536int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6537 u8 link_type, u8 addr_type, u8 status)
604086b7 6538{
272d90df 6539 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6540 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6541}
6542
272d90df 6543int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6544 u8 link_type, u8 addr_type, u8 status)
604086b7 6545{
272d90df 6546 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6547 status,
6548 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6549}
6550
92a25256
JH		 6551int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6552 u8 link_type, u8 addr_type, u32 passkey,
6553 u8 entered)
6554{
6555 struct mgmt_ev_passkey_notify ev;
6556
6557 BT_DBG("%s", hdev->name);
6558
6559 bacpy(&ev.addr.bdaddr, bdaddr);
6560 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6561 ev.passkey = __cpu_to_le32(passkey);
6562 ev.entered = entered;
6563
6564 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6565}
6566
e1e930f5 6567void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 6568{
6569 struct mgmt_ev_auth_failed ev;
e1e930f5
JH		 6570 struct pending_cmd *cmd;
6571 u8 status = mgmt_status(hci_status);
2a611692 6572
e1e930f5
JH		 6573 bacpy(&ev.addr.bdaddr, &conn->dst);
6574 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6575 ev.status = status;
2a611692 6576
e1e930f5
JH		 6577 cmd = find_pairing(conn);
6578
6579 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
6580 cmd ? cmd->sk : NULL);
6581
6582 if (cmd)
6583 pairing_complete(cmd, status);
2a611692 6584}
b312b161 6585
464996ae 6586void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6587{
6588 struct cmd_lookup match = { NULL, hdev };
464996ae 6589 bool changed;
33ef95ed
JH		 6590
6591 if (status) {
6592 u8 mgmt_err = mgmt_status(status);
6593 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6594 cmd_status_rsp, &mgmt_err);
464996ae 6595 return;
33ef95ed
JH		 6596 }
6597
464996ae
MH		 6598 if (test_bit(HCI_AUTH, &hdev->flags))
6599 changed = !test_and_set_bit(HCI_LINK_SECURITY,
6600 &hdev->dev_flags);
6601 else
6602 changed = test_and_clear_bit(HCI_LINK_SECURITY,
6603 &hdev->dev_flags);
47990ea0 6604
33ef95ed 6605 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6606 &match);
33ef95ed 6607
47990ea0 6608 if (changed)
464996ae 6609 new_settings(hdev, match.sk);
33ef95ed
JH		 6610
6611 if (match.sk)
6612 sock_put(match.sk);
33ef95ed
JH		 6613}
6614
890ea898 6615static void clear_eir(struct hci_request *req)
cacaf52f 6616{
890ea898 6617 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6618 struct hci_cp_write_eir cp;
6619
976eb20e 6620 if (!lmp_ext_inq_capable(hdev))
890ea898 6621 return;
cacaf52f 6622
c80da27e
JH		 6623 memset(hdev->eir, 0, sizeof(hdev->eir));
6624
cacaf52f
JH		 6625 memset(&cp, 0, sizeof(cp));
6626
890ea898 6627 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 6628}
6629
3e248560 6630void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 6631{
6632 struct cmd_lookup match = { NULL, hdev };
890ea898 6633 struct hci_request req;
c0ecddc2 6634 bool changed = false;
ed2c4ee3
JH		 6635
6636 if (status) {
6637 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH		 6638
6639 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
9ecb3e24
MH		 6640 &hdev->dev_flags)) {
6641 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
3e248560 6642 new_settings(hdev, NULL);
9ecb3e24 6643 }
c0ecddc2 6644
04124681
GP		 6645 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
6646 &mgmt_err);
3e248560 6647 return;
c0ecddc2
JH		 6648 }
6649
6650 if (enable) {
9ecb3e24 6651 changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
c0ecddc2 6652 } else {
9ecb3e24
MH		 6653 changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
6654 if (!changed)
6655 changed = test_and_clear_bit(HCI_HS_ENABLED,
6656 &hdev->dev_flags);
6657 else
6658 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
ed2c4ee3
JH		 6659 }
6660
6661 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
6662
c0ecddc2 6663 if (changed)
3e248560 6664 new_settings(hdev, match.sk);
ed2c4ee3 6665
5fc6ebb1 6666 if (match.sk)
ed2c4ee3
JH		 6667 sock_put(match.sk);
6668
890ea898
JH		 6669 hci_req_init(&req, hdev);
6670
3769972b
JH		 6671 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
6672 if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
6673 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
6674 sizeof(enable), &enable);
890ea898 6675 update_eir(&req);
3769972b 6676 } else {
890ea898 6677 clear_eir(&req);
3769972b 6678 }
890ea898
JH		 6679
6680 hci_req_run(&req, NULL);
ed2c4ee3
JH		 6681}
6682
eac83dc6
MH		 6683void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
6684{
6685 struct cmd_lookup match = { NULL, hdev };
6686 bool changed = false;
6687
6688 if (status) {
6689 u8 mgmt_err = mgmt_status(status);
6690
0ab04a9c
MH		 6691 if (enable) {
6692 if (test_and_clear_bit(HCI_SC_ENABLED,
6693 &hdev->dev_flags))
6694 new_settings(hdev, NULL);
6695 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6696 }
eac83dc6
MH		 6697
6698 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6699 cmd_status_rsp, &mgmt_err);
6700 return;
6701 }
6702
0ab04a9c 6703 if (enable) {
eac83dc6 6704 changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c 6705 } else {
eac83dc6 6706 changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c
MH		 6707 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6708 }
eac83dc6
MH		 6709
6710 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6711 settings_rsp, &match);
6712
6713 if (changed)
6714 new_settings(hdev, match.sk);
6715
6716 if (match.sk)
6717 sock_put(match.sk);
6718}
6719
92da6097 6720static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH		 6721{
6722 struct cmd_lookup *match = data;
6723
90e70454
JH		 6724 if (match->sk == NULL) {
6725 match->sk = cmd->sk;
6726 sock_hold(match->sk);
6727 }
90e70454
JH		 6728}
6729
4e1b0245
MH		 6730void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
6731 u8 status)
7f9a903c 6732{
90e70454 6733 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 6734
92da6097
JH		 6735 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
6736 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
6737 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 6738
6739 if (!status)
4e1b0245
MH		 6740 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
6741 NULL);
90e70454
JH		 6742
6743 if (match.sk)
6744 sock_put(match.sk);
7f9a903c
MH		 6745}
6746
7667da34 6747void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 6748{
b312b161 6749 struct mgmt_cp_set_local_name ev;
13928971 6750 struct pending_cmd *cmd;
28cc7bde 6751
13928971 6752 if (status)
7667da34 6753 return;
b312b161
JH		 6754
6755 memset(&ev, 0, sizeof(ev));
6756 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 6757 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 6758
2e58ef3e 6759 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 6760 if (!cmd) {
6761 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 6762
13928971
JH		 6763 /* If this is a HCI command related to powering on the
6764 * HCI dev don't send any mgmt signals.
6765 */
6766 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 6767 return;
890ea898 6768 }
b312b161 6769
7667da34
MH		 6770 mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
6771 cmd ? cmd->sk : NULL);
b312b161 6772}
c35938b2 6773
4d2d2796 6774void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
38da1703
JH		 6775 u8 *rand192, u8 *hash256, u8 *rand256,
6776 u8 status)
c35938b2
SJ		 6777{
6778 struct pending_cmd *cmd;
c35938b2 6779
744cf19e 6780 BT_DBG("%s status %u", hdev->name, status);
c35938b2 6781
2e58ef3e 6782 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2 6783 if (!cmd)
3edaf092 6784 return;
c35938b2
SJ		 6785
6786 if (status) {
3edaf092
MH		 6787 cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
6788 mgmt_status(status));
c35938b2 6789 } else {
710f11c0 6790 if (bredr_sc_enabled(hdev) && hash256 && rand256) {
4d2d2796
MH		 6791 struct mgmt_rp_read_local_oob_ext_data rp;
6792
6793 memcpy(rp.hash192, hash192, sizeof(rp.hash192));
38da1703 6794 memcpy(rp.rand192, rand192, sizeof(rp.rand192));
c35938b2 6795
4d2d2796 6796 memcpy(rp.hash256, hash256, sizeof(rp.hash256));
38da1703 6797 memcpy(rp.rand256, rand256, sizeof(rp.rand256));
c35938b2 6798
4d2d2796
MH		 6799 cmd_complete(cmd->sk, hdev->id,
6800 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6801 &rp, sizeof(rp));
6802 } else {
6803 struct mgmt_rp_read_local_oob_data rp;
6804
6805 memcpy(rp.hash, hash192, sizeof(rp.hash));
38da1703 6806 memcpy(rp.rand, rand192, sizeof(rp.rand));
4d2d2796
MH		 6807
6808 cmd_complete(cmd->sk, hdev->id,
6809 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6810 &rp, sizeof(rp));
6811 }
c35938b2
SJ		 6812 }
6813
6814 mgmt_pending_remove(cmd);
c35938b2 6815}
e17acd40 6816
901801b9 6817void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
af58925c
MH		 6818 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
6819 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 6820{
e319d2e7
JH		 6821 char buf[512];
6822 struct mgmt_ev_device_found *ev = (void *) buf;
1dc06093 6823 size_t ev_size;
e17acd40 6824
75ce208c
JH		 6825 /* Don't send events for a non-kernel initiated discovery. With
6826 * LE one exception is if we have pend_le_reports > 0 in which
6827 * case we're doing passive scanning and want these events.
6828 */
6829 if (!hci_discovery_active(hdev)) {
6830 if (link_type == ACL_LINK)
6831 return;
66f8455a 6832 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
75ce208c
JH		 6833 return;
6834 }
12602d0c 6835
5d2e9fad
JH		 6836 /* Make sure that the buffer is big enough. The 5 extra bytes
6837 * are for the potential CoD field.
6838 */
6839 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
901801b9 6840 return;
7d262f86 6841
1dc06093
JH		 6842 memset(buf, 0, sizeof(buf));
6843
841c5644
JH		 6844 bacpy(&ev->addr.bdaddr, bdaddr);
6845 ev->addr.type = link_to_bdaddr(link_type, addr_type);
e319d2e7 6846 ev->rssi = rssi;
af58925c 6847 ev->flags = cpu_to_le32(flags);
e17acd40 6848
1dc06093 6849 if (eir_len > 0)
e319d2e7 6850 memcpy(ev->eir, eir, eir_len);
e17acd40 6851
1dc06093
JH		 6852 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
6853 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 6854 dev_class, 3);
1dc06093 6855
5d2e9fad
JH		 6856 if (scan_rsp_len > 0)
6857 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
6858
6859 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
6860 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 6861
901801b9 6862 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 6863}
a88a9652 6864
9cf12aee
MH		 6865void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6866 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 6867{
b644ba33
JH		 6868 struct mgmt_ev_device_found *ev;
6869 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
6870 u16 eir_len;
a88a9652 6871
b644ba33 6872 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 6873
b644ba33
JH		 6874 memset(buf, 0, sizeof(buf));
6875
6876 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6877 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 6878 ev->rssi = rssi;
6879
6880 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 6881 name_len);
b644ba33 6882
eb55ef07 6883 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 6884
9cf12aee 6885 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 6886}
314b2381 6887
2f1e063b 6888void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 6889{
f963e8e9 6890 struct mgmt_ev_discovering ev;
164a6e78 6891
343fb145
AG		 6892 BT_DBG("%s discovering %u", hdev->name, discovering);
6893
f963e8e9
JH		 6894 memset(&ev, 0, sizeof(ev));
6895 ev.type = hdev->discovery.type;
6896 ev.discovering = discovering;
6897
2f1e063b 6898 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 6899}
5e762444 6900
5976e608
MH		 6901static void adv_enable_complete(struct hci_dev *hdev, u8 status)
6902{
6903 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 6904}
6905
6906void mgmt_reenable_advertising(struct hci_dev *hdev)
6907{
6908 struct hci_request req;
6909
5976e608
MH		 6910 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
6911 return;
6912
6913 hci_req_init(&req, hdev);
6914 enable_advertising(&req);
0ec5ae84 6915 hci_req_run(&req, adv_enable_complete);
5976e608 6916}
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