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at86rf230: remove unnecessary print of async error
[deliverable/linux.git] / net / bluetooth / mgmt.c
CommitLineData
0381101f
JH		 1/*
2 BlueZ - Bluetooth protocol stack for Linux
ea585ab5 3
0381101f 4 Copyright (C) 2010 Nokia Corporation
ea585ab5 5 Copyright (C) 2011-2012 Intel Corporation
0381101f
JH		 6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI Management interface */
26
3a9a231d 27#include <linux/module.h>
0381101f
JH		 28#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
4bc58f51 32#include <net/bluetooth/l2cap.h>
0381101f 33#include <net/bluetooth/mgmt.h>
ac4b7236
MH		 34
35#include "smp.h"
0381101f 36
2da9c55c 37#define MGMT_VERSION 1
730f091b 38#define MGMT_REVISION 7
02d98129 39
e70bb2e8
JH		 40static const u16 mgmt_commands[] = {
41 MGMT_OP_READ_INDEX_LIST,
42 MGMT_OP_READ_INFO,
43 MGMT_OP_SET_POWERED,
44 MGMT_OP_SET_DISCOVERABLE,
45 MGMT_OP_SET_CONNECTABLE,
46 MGMT_OP_SET_FAST_CONNECTABLE,
b2939475 47 MGMT_OP_SET_BONDABLE,
e70bb2e8
JH		 48 MGMT_OP_SET_LINK_SECURITY,
49 MGMT_OP_SET_SSP,
50 MGMT_OP_SET_HS,
51 MGMT_OP_SET_LE,
52 MGMT_OP_SET_DEV_CLASS,
53 MGMT_OP_SET_LOCAL_NAME,
54 MGMT_OP_ADD_UUID,
55 MGMT_OP_REMOVE_UUID,
56 MGMT_OP_LOAD_LINK_KEYS,
57 MGMT_OP_LOAD_LONG_TERM_KEYS,
58 MGMT_OP_DISCONNECT,
59 MGMT_OP_GET_CONNECTIONS,
60 MGMT_OP_PIN_CODE_REPLY,
61 MGMT_OP_PIN_CODE_NEG_REPLY,
62 MGMT_OP_SET_IO_CAPABILITY,
63 MGMT_OP_PAIR_DEVICE,
64 MGMT_OP_CANCEL_PAIR_DEVICE,
65 MGMT_OP_UNPAIR_DEVICE,
66 MGMT_OP_USER_CONFIRM_REPLY,
67 MGMT_OP_USER_CONFIRM_NEG_REPLY,
68 MGMT_OP_USER_PASSKEY_REPLY,
69 MGMT_OP_USER_PASSKEY_NEG_REPLY,
70 MGMT_OP_READ_LOCAL_OOB_DATA,
71 MGMT_OP_ADD_REMOTE_OOB_DATA,
72 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
73 MGMT_OP_START_DISCOVERY,
74 MGMT_OP_STOP_DISCOVERY,
75 MGMT_OP_CONFIRM_NAME,
76 MGMT_OP_BLOCK_DEVICE,
77 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 78 MGMT_OP_SET_DEVICE_ID,
4375f103 79 MGMT_OP_SET_ADVERTISING,
0663ca2a 80 MGMT_OP_SET_BREDR,
d13eafce 81 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 82 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 83 MGMT_OP_SET_SECURE_CONN,
4e39ac81 84 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 85 MGMT_OP_SET_PRIVACY,
41edf160 86 MGMT_OP_LOAD_IRKS,
dd983808 87 MGMT_OP_GET_CONN_INFO,
95868426 88 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 89 MGMT_OP_ADD_DEVICE,
90 MGMT_OP_REMOVE_DEVICE,
a26f3dcf 91 MGMT_OP_LOAD_CONN_PARAM,
73d1df2a 92 MGMT_OP_READ_UNCONF_INDEX_LIST,
9fc3bfb6 93 MGMT_OP_READ_CONFIG_INFO,
dbece37a 94 MGMT_OP_SET_EXTERNAL_CONFIG,
9713c17b 95 MGMT_OP_SET_PUBLIC_ADDRESS,
e70bb2e8
JH		 96};
97
98static const u16 mgmt_events[] = {
99 MGMT_EV_CONTROLLER_ERROR,
100 MGMT_EV_INDEX_ADDED,
101 MGMT_EV_INDEX_REMOVED,
102 MGMT_EV_NEW_SETTINGS,
103 MGMT_EV_CLASS_OF_DEV_CHANGED,
104 MGMT_EV_LOCAL_NAME_CHANGED,
105 MGMT_EV_NEW_LINK_KEY,
106 MGMT_EV_NEW_LONG_TERM_KEY,
107 MGMT_EV_DEVICE_CONNECTED,
108 MGMT_EV_DEVICE_DISCONNECTED,
109 MGMT_EV_CONNECT_FAILED,
110 MGMT_EV_PIN_CODE_REQUEST,
111 MGMT_EV_USER_CONFIRM_REQUEST,
112 MGMT_EV_USER_PASSKEY_REQUEST,
113 MGMT_EV_AUTH_FAILED,
114 MGMT_EV_DEVICE_FOUND,
115 MGMT_EV_DISCOVERING,
116 MGMT_EV_DEVICE_BLOCKED,
117 MGMT_EV_DEVICE_UNBLOCKED,
118 MGMT_EV_DEVICE_UNPAIRED,
92a25256 119 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 120 MGMT_EV_NEW_IRK,
7ee4ea36 121 MGMT_EV_NEW_CSRK,
8afef092
MH		 122 MGMT_EV_DEVICE_ADDED,
123 MGMT_EV_DEVICE_REMOVED,
ffb5a827 124 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 125 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 126 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 127 MGMT_EV_NEW_CONFIG_OPTIONS,
e70bb2e8
JH		 128};
129
17b02e62 130#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 131
eec8d2bc
JH		 132struct pending_cmd {
133 struct list_head list;
fc2f4b13 134 u16 opcode;
eec8d2bc 135 int index;
c68fb7ff 136 void *param;
eec8d2bc 137 struct sock *sk;
e9a416b5 138 void *user_data;
eec8d2bc
JH		 139};
140
ca69b795
JH		 141/* HCI to MGMT error code conversion table */
142static u8 mgmt_status_table[] = {
143 MGMT_STATUS_SUCCESS,
144 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
145 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
146 MGMT_STATUS_FAILED, /* Hardware Failure */
147 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
148 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 149 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 150 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
151 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
152 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
153 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
154 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
155 MGMT_STATUS_BUSY, /* Command Disallowed */
156 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
157 MGMT_STATUS_REJECTED, /* Rejected Security */
158 MGMT_STATUS_REJECTED, /* Rejected Personal */
159 MGMT_STATUS_TIMEOUT, /* Host Timeout */
160 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
161 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
162 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
163 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
164 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
165 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
166 MGMT_STATUS_BUSY, /* Repeated Attempts */
167 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
168 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
169 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
170 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
171 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
172 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
173 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
174 MGMT_STATUS_FAILED, /* Unspecified Error */
175 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
176 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
177 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
178 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
179 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
180 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
181 MGMT_STATUS_FAILED, /* Unit Link Key Used */
182 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
183 MGMT_STATUS_TIMEOUT, /* Instant Passed */
184 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
185 MGMT_STATUS_FAILED, /* Transaction Collision */
186 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
187 MGMT_STATUS_REJECTED, /* QoS Rejected */
188 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
189 MGMT_STATUS_REJECTED, /* Insufficient Security */
190 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
191 MGMT_STATUS_BUSY, /* Role Switch Pending */
192 MGMT_STATUS_FAILED, /* Slot Violation */
193 MGMT_STATUS_FAILED, /* Role Switch Failed */
194 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
195 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
196 MGMT_STATUS_BUSY, /* Host Busy Pairing */
197 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
198 MGMT_STATUS_BUSY, /* Controller Busy */
199 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
200 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
201 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
202 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
203 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
204};
205
206static u8 mgmt_status(u8 hci_status)
207{
208 if (hci_status < ARRAY_SIZE(mgmt_status_table))
209 return mgmt_status_table[hci_status];
210
211 return MGMT_STATUS_FAILED;
212}
213
04c60f05
MH		 214static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
215 struct sock *skip_sk)
216{
217 struct sk_buff *skb;
218 struct mgmt_hdr *hdr;
219
220 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
221 if (!skb)
222 return -ENOMEM;
223
224 hdr = (void *) skb_put(skb, sizeof(*hdr));
225 hdr->opcode = cpu_to_le16(event);
226 if (hdev)
227 hdr->index = cpu_to_le16(hdev->id);
228 else
229 hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
230 hdr->len = cpu_to_le16(data_len);
231
232 if (data)
233 memcpy(skb_put(skb, data_len), data, data_len);
234
235 /* Time stamp */
236 __net_timestamp(skb);
237
238 hci_send_to_control(skb, skip_sk);
239 kfree_skb(skb);
240
241 return 0;
242}
243
4e51eae9 244static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
f7b64e69
JH		 245{
246 struct sk_buff *skb;
247 struct mgmt_hdr *hdr;
248 struct mgmt_ev_cmd_status *ev;
56b7d137 249 int err;
f7b64e69 250
34eb525c 251 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
f7b64e69 252
790eff44 253 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL);
f7b64e69
JH		 254 if (!skb)
255 return -ENOMEM;
256
257 hdr = (void *) skb_put(skb, sizeof(*hdr));
258
dcf4adbf 259 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
4e51eae9 260 hdr->index = cpu_to_le16(index);
f7b64e69
JH		 261 hdr->len = cpu_to_le16(sizeof(*ev));
262
263 ev = (void *) skb_put(skb, sizeof(*ev));
264 ev->status = status;
eb55ef07 265 ev->opcode = cpu_to_le16(cmd);
f7b64e69 266
56b7d137
GP		 267 err = sock_queue_rcv_skb(sk, skb);
268 if (err < 0)
f7b64e69
JH		 269 kfree_skb(skb);
270
56b7d137 271 return err;
f7b64e69
JH		 272}
273
aee9b218 274static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
04124681 275 void *rp, size_t rp_len)
02d98129
JH		 276{
277 struct sk_buff *skb;
278 struct mgmt_hdr *hdr;
279 struct mgmt_ev_cmd_complete *ev;
56b7d137 280 int err;
02d98129
JH		 281
282 BT_DBG("sock %p", sk);
283
790eff44 284 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL);
02d98129
JH		 285 if (!skb)
286 return -ENOMEM;
287
288 hdr = (void *) skb_put(skb, sizeof(*hdr));
02d98129 289
dcf4adbf 290 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
4e51eae9 291 hdr->index = cpu_to_le16(index);
a38528f1 292 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
02d98129 293
a38528f1 294 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
eb55ef07 295 ev->opcode = cpu_to_le16(cmd);
aee9b218 296 ev->status = status;
8020c16a
SJ		 297
298 if (rp)
299 memcpy(ev->data, rp, rp_len);
02d98129 300
56b7d137
GP		 301 err = sock_queue_rcv_skb(sk, skb);
302 if (err < 0)
02d98129
JH		 303 kfree_skb(skb);
304
e5f0e151 305 return err;
02d98129
JH		 306}
307
04124681
GP		 308static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
309 u16 data_len)
a38528f1
JH		 310{
311 struct mgmt_rp_read_version rp;
312
313 BT_DBG("sock %p", sk);
314
315 rp.version = MGMT_VERSION;
dcf4adbf 316 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 317
aee9b218 318 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
04124681 319 sizeof(rp));
a38528f1
JH		 320}
321
04124681
GP		 322static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
323 u16 data_len)
e70bb2e8
JH		 324{
325 struct mgmt_rp_read_commands *rp;
eb55ef07
MH		 326 const u16 num_commands = ARRAY_SIZE(mgmt_commands);
327 const u16 num_events = ARRAY_SIZE(mgmt_events);
2e3c35ea 328 __le16 *opcode;
e70bb2e8
JH		 329 size_t rp_size;
330 int i, err;
331
332 BT_DBG("sock %p", sk);
333
334 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
335
336 rp = kmalloc(rp_size, GFP_KERNEL);
337 if (!rp)
338 return -ENOMEM;
339
dcf4adbf
JP		 340 rp->num_commands = cpu_to_le16(num_commands);
341 rp->num_events = cpu_to_le16(num_events);
e70bb2e8
JH		 342
343 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
344 put_unaligned_le16(mgmt_commands[i], opcode);
345
346 for (i = 0; i < num_events; i++, opcode++)
347 put_unaligned_le16(mgmt_events[i], opcode);
348
aee9b218 349 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
04124681 350 rp_size);
e70bb2e8
JH		 351 kfree(rp);
352
353 return err;
354}
355
04124681
GP		 356static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
357 u16 data_len)
faba42eb 358{
faba42eb 359 struct mgmt_rp_read_index_list *rp;
8035ded4 360 struct hci_dev *d;
a38528f1 361 size_t rp_len;
faba42eb 362 u16 count;
476e44cb 363 int err;
faba42eb
JH		 364
365 BT_DBG("sock %p", sk);
366
367 read_lock(&hci_dev_list_lock);
368
369 count = 0;
bb4b2a9a 370 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a
MH		 371 if (d->dev_type == HCI_BREDR &&
372 !test_bit(HCI_UNCONFIGURED, &d->dev_flags))
1514b892 373 count++;
faba42eb
JH		 374 }
375
a38528f1
JH		 376 rp_len = sizeof(*rp) + (2 * count);
377 rp = kmalloc(rp_len, GFP_ATOMIC);
378 if (!rp) {
b2c60d42 379 read_unlock(&hci_dev_list_lock);
faba42eb 380 return -ENOMEM;
b2c60d42 381 }
faba42eb 382
476e44cb 383 count = 0;
8035ded4 384 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 385 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 386 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a 387 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
ab81cbf9
JH		 388 continue;
389
73d1df2a
MH		 390 /* Devices marked as raw-only are neither configured
391 * nor unconfigured controllers.
392 */
393 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 394 continue;
395
73d1df2a
MH		 396 if (d->dev_type == HCI_BREDR &&
397 !test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
1514b892
MH		 398 rp->index[count++] = cpu_to_le16(d->id);
399 BT_DBG("Added hci%u", d->id);
400 }
faba42eb
JH		 401 }
402
476e44cb
JH		 403 rp->num_controllers = cpu_to_le16(count);
404 rp_len = sizeof(*rp) + (2 * count);
405
faba42eb
JH		 406 read_unlock(&hci_dev_list_lock);
407
aee9b218 408 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
04124681 409 rp_len);
faba42eb 410
a38528f1
JH		 411 kfree(rp);
412
413 return err;
faba42eb
JH		 414}
415
73d1df2a
MH		 416static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
417 void *data, u16 data_len)
418{
419 struct mgmt_rp_read_unconf_index_list *rp;
420 struct hci_dev *d;
421 size_t rp_len;
422 u16 count;
423 int err;
424
425 BT_DBG("sock %p", sk);
426
427 read_lock(&hci_dev_list_lock);
428
429 count = 0;
430 list_for_each_entry(d, &hci_dev_list, list) {
431 if (d->dev_type == HCI_BREDR &&
432 test_bit(HCI_UNCONFIGURED, &d->dev_flags))
433 count++;
434 }
435
436 rp_len = sizeof(*rp) + (2 * count);
437 rp = kmalloc(rp_len, GFP_ATOMIC);
438 if (!rp) {
439 read_unlock(&hci_dev_list_lock);
440 return -ENOMEM;
441 }
442
443 count = 0;
444 list_for_each_entry(d, &hci_dev_list, list) {
445 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 446 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a
MH		 447 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
448 continue;
449
450 /* Devices marked as raw-only are neither configured
451 * nor unconfigured controllers.
452 */
453 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
454 continue;
455
456 if (d->dev_type == HCI_BREDR &&
457 test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
458 rp->index[count++] = cpu_to_le16(d->id);
459 BT_DBG("Added hci%u", d->id);
460 }
461 }
462
463 rp->num_controllers = cpu_to_le16(count);
464 rp_len = sizeof(*rp) + (2 * count);
465
466 read_unlock(&hci_dev_list_lock);
467
468 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_UNCONF_INDEX_LIST,
469 0, rp, rp_len);
470
471 kfree(rp);
472
473 return err;
474}
475
dbece37a
MH		 476static bool is_configured(struct hci_dev *hdev)
477{
478 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
479 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
480 return false;
481
482 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
483 !bacmp(&hdev->public_addr, BDADDR_ANY))
484 return false;
485
486 return true;
487}
488
89bc22d2
MH		 489static __le32 get_missing_options(struct hci_dev *hdev)
490{
491 u32 options = 0;
492
dbece37a
MH		 493 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
494 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
eb1904f4
MH		 495 options |= MGMT_OPTION_EXTERNAL_CONFIG;
496
89bc22d2
MH		 497 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
498 !bacmp(&hdev->public_addr, BDADDR_ANY))
499 options |= MGMT_OPTION_PUBLIC_ADDRESS;
500
501 return cpu_to_le32(options);
502}
503
f4537c04
MH		 504static int new_options(struct hci_dev *hdev, struct sock *skip)
505{
506 __le32 options = get_missing_options(hdev);
507
508 return mgmt_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
509 sizeof(options), skip);
510}
511
dbece37a
MH		 512static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
513{
514 __le32 options = get_missing_options(hdev);
515
516 return cmd_complete(sk, hdev->id, opcode, 0, &options,
517 sizeof(options));
518}
519
9fc3bfb6
MH		 520static int read_config_info(struct sock *sk, struct hci_dev *hdev,
521 void *data, u16 data_len)
522{
523 struct mgmt_rp_read_config_info rp;
89bc22d2 524 u32 options = 0;
9fc3bfb6
MH		 525
526 BT_DBG("sock %p %s", sk, hdev->name);
527
528 hci_dev_lock(hdev);
529
530 memset(&rp, 0, sizeof(rp));
531 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 532
eb1904f4
MH		 533 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
534 options |= MGMT_OPTION_EXTERNAL_CONFIG;
535
9fc3bfb6 536 if (hdev->set_bdaddr)
89bc22d2
MH		 537 options |= MGMT_OPTION_PUBLIC_ADDRESS;
538
539 rp.supported_options = cpu_to_le32(options);
540 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 541
542 hci_dev_unlock(hdev);
543
544 return cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, &rp,
545 sizeof(rp));
546}
547
69ab39ea
JH		 548static u32 get_supported_settings(struct hci_dev *hdev)
549{
550 u32 settings = 0;
551
552 settings |= MGMT_SETTING_POWERED;
b2939475 553 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 554 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 555 settings |= MGMT_SETTING_CONNECTABLE;
556 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 557
ed3fa31f 558 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 559 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
560 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 561 settings |= MGMT_SETTING_BREDR;
562 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 563
564 if (lmp_ssp_capable(hdev)) {
565 settings |= MGMT_SETTING_SSP;
566 settings |= MGMT_SETTING_HS;
567 }
e98d2ce2 568
5afeac14 569 if (lmp_sc_capable(hdev) ||
111902f7 570 test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
e98d2ce2 571 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 572 }
d7b7e796 573
eeca6f89 574 if (lmp_le_capable(hdev)) {
9d42820f 575 settings |= MGMT_SETTING_LE;
eeca6f89 576 settings |= MGMT_SETTING_ADVERTISING;
0f4bd942 577 settings |= MGMT_SETTING_PRIVACY;
eeca6f89 578 }
69ab39ea 579
eb1904f4
MH		 580 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
581 hdev->set_bdaddr)
9fc3bfb6
MH		 582 settings |= MGMT_SETTING_CONFIGURATION;
583
69ab39ea
JH		 584 return settings;
585}
586
587static u32 get_current_settings(struct hci_dev *hdev)
588{
589 u32 settings = 0;
590
f1f0eb02 591 if (hdev_is_powered(hdev))
f0d4b78a
MH		 592 settings |= MGMT_SETTING_POWERED;
593
5e5282bb 594 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
69ab39ea
JH		 595 settings |= MGMT_SETTING_CONNECTABLE;
596
1a4d3c4b
JH		 597 if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
598 settings |= MGMT_SETTING_FAST_CONNECTABLE;
599
5e5282bb 600 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
69ab39ea
JH		 601 settings |= MGMT_SETTING_DISCOVERABLE;
602
b6ae8457 603 if (test_bit(HCI_BONDABLE, &hdev->dev_flags))
b2939475 604 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 605
56f87901 606 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 607 settings |= MGMT_SETTING_BREDR;
608
06199cf8 609 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 610 settings |= MGMT_SETTING_LE;
611
47990ea0 612 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
69ab39ea
JH		 613 settings |= MGMT_SETTING_LINK_SECURITY;
614
84bde9d6 615 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 616 settings |= MGMT_SETTING_SSP;
617
6d80dfd0
JH		 618 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
619 settings |= MGMT_SETTING_HS;
620
f3d3444a 621 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
eeca6f89
JH		 622 settings |= MGMT_SETTING_ADVERTISING;
623
e98d2ce2
MH		 624 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
625 settings |= MGMT_SETTING_SECURE_CONN;
626
0663b297 627 if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags))
b1de97d8
MH		 628 settings |= MGMT_SETTING_DEBUG_KEYS;
629
0f4bd942
JH		 630 if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
631 settings |= MGMT_SETTING_PRIVACY;
632
69ab39ea
JH		 633 return settings;
634}
635
ef580372
JH		 636#define PNP_INFO_SVCLASS_ID 0x1200
637
213202ed
JH		 638static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
639{
640 u8 *ptr = data, *uuids_start = NULL;
641 struct bt_uuid *uuid;
642
643 if (len < 4)
644 return ptr;
645
646 list_for_each_entry(uuid, &hdev->uuids, list) {
647 u16 uuid16;
648
649 if (uuid->size != 16)
650 continue;
651
652 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
653 if (uuid16 < 0x1100)
654 continue;
655
656 if (uuid16 == PNP_INFO_SVCLASS_ID)
657 continue;
658
659 if (!uuids_start) {
660 uuids_start = ptr;
661 uuids_start[0] = 1;
662 uuids_start[1] = EIR_UUID16_ALL;
663 ptr += 2;
664 }
665
666 /* Stop if not enough space to put next UUID */
667 if ((ptr - data) + sizeof(u16) > len) {
668 uuids_start[1] = EIR_UUID16_SOME;
669 break;
670 }
671
672 *ptr++ = (uuid16 & 0x00ff);
673 *ptr++ = (uuid16 & 0xff00) >> 8;
674 uuids_start[0] += sizeof(uuid16);
675 }
676
677 return ptr;
678}
679
cdf1963f
JH		 680static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
681{
682 u8 *ptr = data, *uuids_start = NULL;
683 struct bt_uuid *uuid;
684
685 if (len < 6)
686 return ptr;
687
688 list_for_each_entry(uuid, &hdev->uuids, list) {
689 if (uuid->size != 32)
690 continue;
691
692 if (!uuids_start) {
693 uuids_start = ptr;
694 uuids_start[0] = 1;
695 uuids_start[1] = EIR_UUID32_ALL;
696 ptr += 2;
697 }
698
699 /* Stop if not enough space to put next UUID */
700 if ((ptr - data) + sizeof(u32) > len) {
701 uuids_start[1] = EIR_UUID32_SOME;
702 break;
703 }
704
705 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
706 ptr += sizeof(u32);
707 uuids_start[0] += sizeof(u32);
708 }
709
710 return ptr;
711}
712
c00d575b
JH		 713static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
714{
715 u8 *ptr = data, *uuids_start = NULL;
716 struct bt_uuid *uuid;
717
718 if (len < 18)
719 return ptr;
720
721 list_for_each_entry(uuid, &hdev->uuids, list) {
722 if (uuid->size != 128)
723 continue;
724
725 if (!uuids_start) {
726 uuids_start = ptr;
727 uuids_start[0] = 1;
728 uuids_start[1] = EIR_UUID128_ALL;
729 ptr += 2;
730 }
731
732 /* Stop if not enough space to put next UUID */
733 if ((ptr - data) + 16 > len) {
734 uuids_start[1] = EIR_UUID128_SOME;
735 break;
736 }
737
738 memcpy(ptr, uuid->uuid, 16);
739 ptr += 16;
740 uuids_start[0] += 16;
741 }
742
743 return ptr;
744}
745
eb2a8d20
JH		 746static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
747{
748 struct pending_cmd *cmd;
749
750 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
751 if (cmd->opcode == opcode)
752 return cmd;
753 }
754
755 return NULL;
756}
757
95868426
JH		 758static struct pending_cmd *mgmt_pending_find_data(u16 opcode,
759 struct hci_dev *hdev,
760 const void *data)
761{
762 struct pending_cmd *cmd;
763
764 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
765 if (cmd->user_data != data)
766 continue;
767 if (cmd->opcode == opcode)
768 return cmd;
769 }
770
771 return NULL;
772}
773
f14d8f64
MH		 774static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
775{
7a5f4990
MH		 776 u8 ad_len = 0;
777 size_t name_len;
778
779 name_len = strlen(hdev->dev_name);
780 if (name_len > 0) {
781 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
782
783 if (name_len > max_len) {
784 name_len = max_len;
785 ptr[1] = EIR_NAME_SHORT;
786 } else
787 ptr[1] = EIR_NAME_COMPLETE;
788
789 ptr[0] = name_len + 1;
790
791 memcpy(ptr + 2, hdev->dev_name, name_len);
792
793 ad_len += (name_len + 2);
794 ptr += (name_len + 2);
795 }
796
797 return ad_len;
f14d8f64
MH		 798}
799
800static void update_scan_rsp_data(struct hci_request *req)
801{
802 struct hci_dev *hdev = req->hdev;
803 struct hci_cp_le_set_scan_rsp_data cp;
804 u8 len;
805
7751ef1b 806 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
f14d8f64
MH		 807 return;
808
809 memset(&cp, 0, sizeof(cp));
810
811 len = create_scan_rsp_data(hdev, cp.data);
812
eb438b5f
JH		 813 if (hdev->scan_rsp_data_len == len &&
814 memcmp(cp.data, hdev->scan_rsp_data, len) == 0)
f14d8f64
MH		 815 return;
816
eb438b5f
JH		 817 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
818 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 819
820 cp.length = len;
821
822 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
823}
824
9a43e25f
JH		 825static u8 get_adv_discov_flags(struct hci_dev *hdev)
826{
827 struct pending_cmd *cmd;
828
829 /* If there's a pending mgmt command the flags will not yet have
830 * their final values, so check for this first.
831 */
832 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
833 if (cmd) {
834 struct mgmt_mode *cp = cmd->param;
835 if (cp->val == 0x01)
836 return LE_AD_GENERAL;
837 else if (cp->val == 0x02)
838 return LE_AD_LIMITED;
839 } else {
840 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
841 return LE_AD_LIMITED;
842 else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
843 return LE_AD_GENERAL;
844 }
845
846 return 0;
847}
848
46cad2ed 849static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr)
441ad2d0
MH		 850{
851 u8 ad_len = 0, flags = 0;
441ad2d0 852
9a43e25f 853 flags |= get_adv_discov_flags(hdev);
441ad2d0 854
e834004b 855 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
441ad2d0 856 flags |= LE_AD_NO_BREDR;
441ad2d0
MH		 857
858 if (flags) {
859 BT_DBG("adv flags 0x%02x", flags);
860
861 ptr[0] = 2;
862 ptr[1] = EIR_FLAGS;
863 ptr[2] = flags;
864
865 ad_len += 3;
866 ptr += 3;
867 }
868
869 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
870 ptr[0] = 2;
871 ptr[1] = EIR_TX_POWER;
872 ptr[2] = (u8) hdev->adv_tx_power;
873
874 ad_len += 3;
875 ptr += 3;
876 }
877
441ad2d0
MH		 878 return ad_len;
879}
880
5947f4bc 881static void update_adv_data(struct hci_request *req)
441ad2d0
MH		 882{
883 struct hci_dev *hdev = req->hdev;
884 struct hci_cp_le_set_adv_data cp;
885 u8 len;
886
10994ce6 887 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
441ad2d0
MH		 888 return;
889
890 memset(&cp, 0, sizeof(cp));
891
46cad2ed 892 len = create_adv_data(hdev, cp.data);
441ad2d0
MH		 893
894 if (hdev->adv_data_len == len &&
895 memcmp(cp.data, hdev->adv_data, len) == 0)
896 return;
897
898 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
899 hdev->adv_data_len = len;
900
901 cp.length = len;
902
903 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
904}
905
bc6d2d04
JH		 906int mgmt_update_adv_data(struct hci_dev *hdev)
907{
908 struct hci_request req;
909
910 hci_req_init(&req, hdev);
911 update_adv_data(&req);
912
913 return hci_req_run(&req, NULL);
914}
915
ef580372
JH		 916static void create_eir(struct hci_dev *hdev, u8 *data)
917{
918 u8 *ptr = data;
ef580372
JH		 919 size_t name_len;
920
921 name_len = strlen(hdev->dev_name);
922
923 if (name_len > 0) {
924 /* EIR Data type */
925 if (name_len > 48) {
926 name_len = 48;
927 ptr[1] = EIR_NAME_SHORT;
928 } else
929 ptr[1] = EIR_NAME_COMPLETE;
930
931 /* EIR Data length */
932 ptr[0] = name_len + 1;
933
934 memcpy(ptr + 2, hdev->dev_name, name_len);
935
ef580372
JH		 936 ptr += (name_len + 2);
937 }
938
bbaf444a 939 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 940 ptr[0] = 2;
941 ptr[1] = EIR_TX_POWER;
942 ptr[2] = (u8) hdev->inq_tx_power;
943
91c4e9b1
MH		 944 ptr += 3;
945 }
946
2b9be137
MH		 947 if (hdev->devid_source > 0) {
948 ptr[0] = 9;
949 ptr[1] = EIR_DEVICE_ID;
950
951 put_unaligned_le16(hdev->devid_source, ptr + 2);
952 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
953 put_unaligned_le16(hdev->devid_product, ptr + 6);
954 put_unaligned_le16(hdev->devid_version, ptr + 8);
955
2b9be137
MH		 956 ptr += 10;
957 }
958
213202ed 959 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 960 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 961 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 962}
963
890ea898 964static void update_eir(struct hci_request *req)
ef580372 965{
890ea898 966 struct hci_dev *hdev = req->hdev;
ef580372
JH		 967 struct hci_cp_write_eir cp;
968
504c8dcd 969 if (!hdev_is_powered(hdev))
890ea898 970 return;
7770c4aa 971
976eb20e 972 if (!lmp_ext_inq_capable(hdev))
890ea898 973 return;
ef580372 974
84bde9d6 975 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 976 return;
ef580372 977
a8b2d5c2 978 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 979 return;
ef580372
JH		 980
981 memset(&cp, 0, sizeof(cp));
982
983 create_eir(hdev, cp.data);
984
985 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 986 return;
ef580372
JH		 987
988 memcpy(hdev->eir, cp.data, sizeof(cp.data));
989
890ea898 990 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 991}
992
993static u8 get_service_classes(struct hci_dev *hdev)
994{
995 struct bt_uuid *uuid;
996 u8 val = 0;
997
998 list_for_each_entry(uuid, &hdev->uuids, list)
999 val |= uuid->svc_hint;
1000
1001 return val;
1002}
1003
890ea898 1004static void update_class(struct hci_request *req)
ef580372 1005{
890ea898 1006 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1007 u8 cod[3];
1008
1009 BT_DBG("%s", hdev->name);
1010
504c8dcd 1011 if (!hdev_is_powered(hdev))
890ea898 1012 return;
7770c4aa 1013
f87ea1da
JH		 1014 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1015 return;
1016
a8b2d5c2 1017 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 1018 return;
ef580372
JH		 1019
1020 cod[0] = hdev->minor_class;
1021 cod[1] = hdev->major_class;
1022 cod[2] = get_service_classes(hdev);
1023
6acd7db4
MH		 1024 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
1025 cod[1] |= 0x20;
1026
ef580372 1027 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1028 return;
ef580372 1029
890ea898 1030 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1031}
1032
a4858cb9 1033static bool get_connectable(struct hci_dev *hdev)
199a2fb1
JH		 1034{
1035 struct pending_cmd *cmd;
199a2fb1
JH		 1036
1037 /* If there's a pending mgmt command the flag will not yet have
1038 * it's final value, so check for this first.
1039 */
1040 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1041 if (cmd) {
1042 struct mgmt_mode *cp = cmd->param;
a4858cb9 1043 return cp->val;
199a2fb1
JH		 1044 }
1045
a4858cb9 1046 return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
199a2fb1
JH		 1047}
1048
0ec5ae84
JH		 1049static void disable_advertising(struct hci_request *req)
1050{
1051 u8 enable = 0x00;
1052
1053 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1054}
1055
199a2fb1
JH		 1056static void enable_advertising(struct hci_request *req)
1057{
1058 struct hci_dev *hdev = req->hdev;
1059 struct hci_cp_le_set_adv_param cp;
8f2a0601 1060 u8 own_addr_type, enable = 0x01;
a4858cb9 1061 bool connectable;
199a2fb1 1062
0ec5ae84
JH		 1063 if (hci_conn_num(hdev, LE_LINK) > 0)
1064 return;
1065
1066 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
1067 disable_advertising(req);
1068
5ce194c4 1069 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1070 * hci_update_random_address knows that it's safe to go ahead
1071 * and write a new random address. The flag will be set back on
1072 * as soon as the SET_ADV_ENABLE HCI command completes.
1073 */
5ce194c4 1074 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
8d97250e 1075
a4858cb9 1076 connectable = get_connectable(hdev);
8f2a0601 1077
a4858cb9
JH		 1078 /* Set require_privacy to true only when non-connectable
1079 * advertising is used. In that case it is fine to use a
1080 * non-resolvable private address.
1081 */
1082 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1083 return;
1084
41c90c18 1085 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1086 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1087 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
a4858cb9 1088 cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
8f2a0601 1089 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1090 cp.channel_map = hdev->le_adv_channel_map;
1091
1092 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1093
1094 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1095}
1096
7d78525d
JH		 1097static void service_cache_off(struct work_struct *work)
1098{
1099 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1100 service_cache.work);
890ea898 1101 struct hci_request req;
7d78525d 1102
a8b2d5c2 1103 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
7d78525d
JH		 1104 return;
1105
890ea898
JH		 1106 hci_req_init(&req, hdev);
1107
7d78525d
JH		 1108 hci_dev_lock(hdev);
1109
890ea898
JH		 1110 update_eir(&req);
1111 update_class(&req);
7d78525d
JH		 1112
1113 hci_dev_unlock(hdev);
890ea898
JH		 1114
1115 hci_req_run(&req, NULL);
7d78525d
JH		 1116}
1117
d6bfd59c
JH		 1118static void rpa_expired(struct work_struct *work)
1119{
1120 struct hci_dev *hdev = container_of(work, struct hci_dev,
1121 rpa_expired.work);
1122 struct hci_request req;
1123
1124 BT_DBG("");
1125
1126 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
1127
0ec5ae84 1128 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
d6bfd59c
JH		 1129 return;
1130
1131 /* The generation of a new RPA and programming it into the
1132 * controller happens in the enable_advertising() function.
1133 */
d6bfd59c 1134 hci_req_init(&req, hdev);
d6bfd59c 1135 enable_advertising(&req);
d6bfd59c
JH		 1136 hci_req_run(&req, NULL);
1137}
1138
6a919082 1139static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1140{
4f87da80 1141 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
6a919082
JH		 1142 return;
1143
4f87da80 1144 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1145 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1146
4f87da80
JH		 1147 /* Non-mgmt controlled devices get this bit set
1148 * implicitly so that pairing works for them, however
1149 * for mgmt we require user-space to explicitly enable
1150 * it
1151 */
b6ae8457 1152 clear_bit(HCI_BONDABLE, &hdev->dev_flags);
7d78525d
JH		 1153}
1154
0f4e68cf 1155static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1156 void *data, u16 data_len)
0381101f 1157{
a38528f1 1158 struct mgmt_rp_read_info rp;
f7b64e69 1159
bdb6d971 1160 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1161
09fd0de5 1162 hci_dev_lock(hdev);
f7b64e69 1163
dc4fe30b
JH		 1164 memset(&rp, 0, sizeof(rp));
1165
69ab39ea 1166 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1167
69ab39ea 1168 rp.version = hdev->hci_ver;
eb55ef07 1169 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1170
1171 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1172 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1173
a38528f1 1174 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1175
dc4fe30b 1176 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1177 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1178
09fd0de5 1179 hci_dev_unlock(hdev);
0381101f 1180
bdb6d971 1181 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
04124681 1182 sizeof(rp));
0381101f
JH		 1183}
1184
eec8d2bc
JH		 1185static void mgmt_pending_free(struct pending_cmd *cmd)
1186{
1187 sock_put(cmd->sk);
c68fb7ff 1188 kfree(cmd->param);
eec8d2bc
JH		 1189 kfree(cmd);
1190}
1191
366a0336 1192static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
04124681
GP		 1193 struct hci_dev *hdev, void *data,
1194 u16 len)
eec8d2bc
JH		 1195{
1196 struct pending_cmd *cmd;
1197
fca20018 1198 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
eec8d2bc 1199 if (!cmd)
366a0336 1200 return NULL;
eec8d2bc
JH		 1201
1202 cmd->opcode = opcode;
2e58ef3e 1203 cmd->index = hdev->id;
eec8d2bc 1204
12b94565 1205 cmd->param = kmalloc(len, GFP_KERNEL);
c68fb7ff 1206 if (!cmd->param) {
eec8d2bc 1207 kfree(cmd);
366a0336 1208 return NULL;
eec8d2bc
JH		 1209 }
1210
8fce6357
SJ		 1211 if (data)
1212 memcpy(cmd->param, data, len);
eec8d2bc
JH		 1213
1214 cmd->sk = sk;
1215 sock_hold(sk);
1216
2e58ef3e 1217 list_add(&cmd->list, &hdev->mgmt_pending);
eec8d2bc 1218
366a0336 1219 return cmd;
eec8d2bc
JH		 1220}
1221
744cf19e 1222static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
8fc9ced3
GP		 1223 void (*cb)(struct pending_cmd *cmd,
1224 void *data),
04124681 1225 void *data)
eec8d2bc 1226{
a3d09356 1227 struct pending_cmd *cmd, *tmp;
eec8d2bc 1228
a3d09356 1229 list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
b24752fe 1230 if (opcode > 0 && cmd->opcode != opcode)
eec8d2bc
JH		 1231 continue;
1232
eec8d2bc
JH		 1233 cb(cmd, data);
1234 }
1235}
1236
a664b5bc 1237static void mgmt_pending_remove(struct pending_cmd *cmd)
73f22f62 1238{
73f22f62
JH		 1239 list_del(&cmd->list);
1240 mgmt_pending_free(cmd);
1241}
1242
69ab39ea 1243static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1244{
69ab39ea 1245 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1246
aee9b218 1247 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
04124681 1248 sizeof(settings));
8680570b
JH		 1249}
1250
8b064a3a
JH		 1251static void clean_up_hci_complete(struct hci_dev *hdev, u8 status)
1252{
1253 BT_DBG("%s status 0x%02x", hdev->name, status);
1254
a3172b7e
JH		 1255 if (hci_conn_count(hdev) == 0) {
1256 cancel_delayed_work(&hdev->power_off);
8b064a3a 1257 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1258 }
8b064a3a
JH		 1259}
1260
23a48093 1261static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1262{
1263 struct hci_dev *hdev = req->hdev;
1264 struct hci_cp_remote_name_req_cancel cp;
1265 struct inquiry_entry *e;
1266
1267 switch (hdev->discovery.state) {
1268 case DISCOVERY_FINDING:
1269 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
1270 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1271 } else {
1272 cancel_delayed_work(&hdev->le_scan_disable);
1273 hci_req_add_le_scan_disable(req);
1274 }
1275
23a48093 1276 return true;
21a60d30
JH		 1277
1278 case DISCOVERY_RESOLVING:
1279 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1280 NAME_PENDING);
1281 if (!e)
23a48093 1282 break;
21a60d30
JH		 1283
1284 bacpy(&cp.bdaddr, &e->data.bdaddr);
1285 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1286 &cp);
1287
23a48093 1288 return true;
21a60d30
JH		 1289
1290 default:
1291 /* Passive scanning */
23a48093 1292 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
21a60d30 1293 hci_req_add_le_scan_disable(req);
23a48093
JH		 1294 return true;
1295 }
1296
21a60d30
JH		 1297 break;
1298 }
23a48093
JH		 1299
1300 return false;
21a60d30
JH		 1301}
1302
8b064a3a
JH		 1303static int clean_up_hci_state(struct hci_dev *hdev)
1304{
1305 struct hci_request req;
1306 struct hci_conn *conn;
23a48093
JH		 1307 bool discov_stopped;
1308 int err;
8b064a3a
JH		 1309
1310 hci_req_init(&req, hdev);
1311
1312 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1313 test_bit(HCI_PSCAN, &hdev->flags)) {
1314 u8 scan = 0x00;
1315 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1316 }
1317
73e082f8 1318 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
8b064a3a
JH		 1319 disable_advertising(&req);
1320
23a48093 1321 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1322
1323 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1324 struct hci_cp_disconnect dc;
c9910d0f
JH		 1325 struct hci_cp_reject_conn_req rej;
1326
1327 switch (conn->state) {
1328 case BT_CONNECTED:
1329 case BT_CONFIG:
1330 dc.handle = cpu_to_le16(conn->handle);
1331 dc.reason = 0x15; /* Terminated due to Power Off */
1332 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1333 break;
1334 case BT_CONNECT:
1335 if (conn->type == LE_LINK)
1336 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1337 0, NULL);
1338 else if (conn->type == ACL_LINK)
1339 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1340 6, &conn->dst);
1341 break;
1342 case BT_CONNECT2:
1343 bacpy(&rej.bdaddr, &conn->dst);
1344 rej.reason = 0x15; /* Terminated due to Power Off */
1345 if (conn->type == ACL_LINK)
1346 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1347 sizeof(rej), &rej);
1348 else if (conn->type == SCO_LINK)
1349 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1350 sizeof(rej), &rej);
1351 break;
1352 }
8b064a3a
JH		 1353 }
1354
23a48093
JH		 1355 err = hci_req_run(&req, clean_up_hci_complete);
1356 if (!err && discov_stopped)
1357 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1358
1359 return err;
8b064a3a
JH		 1360}
1361
bdb6d971 1362static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1363 u16 len)
eec8d2bc 1364{
650f726d 1365 struct mgmt_mode *cp = data;
366a0336 1366 struct pending_cmd *cmd;
4b34ee78 1367 int err;
eec8d2bc 1368
bdb6d971 1369 BT_DBG("request for %s", hdev->name);
eec8d2bc 1370
a7e80f25
JH		 1371 if (cp->val != 0x00 && cp->val != 0x01)
1372 return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1373 MGMT_STATUS_INVALID_PARAMS);
1374
09fd0de5 1375 hci_dev_lock(hdev);
eec8d2bc 1376
87b95ba6
JH		 1377 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
1378 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1379 MGMT_STATUS_BUSY);
1380 goto failed;
1381 }
1382
f0d4b78a
MH		 1383 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
1384 cancel_delayed_work(&hdev->power_off);
1385
1386 if (cp->val) {
a1d70450
JH		 1387 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1388 data, len);
1389 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1390 goto failed;
1391 }
1392 }
1393
4b34ee78 1394 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1395 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1396 goto failed;
1397 }
1398
2e58ef3e 1399 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1400 if (!cmd) {
1401 err = -ENOMEM;
eec8d2bc 1402 goto failed;
366a0336 1403 }
eec8d2bc 1404
8b064a3a 1405 if (cp->val) {
19202573 1406 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1407 err = 0;
1408 } else {
1409 /* Disconnect connections, stop scans, etc */
1410 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1411 if (!err)
1412 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1413 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1414
8b064a3a
JH		 1415 /* ENODATA means there were no HCI commands queued */
1416 if (err == -ENODATA) {
a3172b7e 1417 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1418 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1419 err = 0;
1420 }
1421 }
eec8d2bc
JH		 1422
1423failed:
09fd0de5 1424 hci_dev_unlock(hdev);
366a0336 1425 return err;
eec8d2bc
JH		 1426}
1427
beadb2bd
JH		 1428static int new_settings(struct hci_dev *hdev, struct sock *skip)
1429{
1430 __le32 ev;
1431
1432 ev = cpu_to_le32(get_current_settings(hdev));
1433
1434 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
1435}
1436
91a668b0
JH		 1437int mgmt_new_settings(struct hci_dev *hdev)
1438{
1439 return new_settings(hdev, NULL);
1440}
1441
bd99abdd
JH		 1442struct cmd_lookup {
1443 struct sock *sk;
1444 struct hci_dev *hdev;
1445 u8 mgmt_status;
1446};
1447
1448static void settings_rsp(struct pending_cmd *cmd, void *data)
1449{
1450 struct cmd_lookup *match = data;
1451
1452 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1453
1454 list_del(&cmd->list);
1455
1456 if (match->sk == NULL) {
1457 match->sk = cmd->sk;
1458 sock_hold(match->sk);
1459 }
1460
1461 mgmt_pending_free(cmd);
1462}
1463
1464static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
1465{
1466 u8 *status = data;
1467
1468 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1469 mgmt_pending_remove(cmd);
1470}
1471
e6fe7986
JH		 1472static u8 mgmt_bredr_support(struct hci_dev *hdev)
1473{
1474 if (!lmp_bredr_capable(hdev))
1475 return MGMT_STATUS_NOT_SUPPORTED;
1476 else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1477 return MGMT_STATUS_REJECTED;
1478 else
1479 return MGMT_STATUS_SUCCESS;
1480}
1481
1482static u8 mgmt_le_support(struct hci_dev *hdev)
1483{
1484 if (!lmp_le_capable(hdev))
1485 return MGMT_STATUS_NOT_SUPPORTED;
1486 else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
1487 return MGMT_STATUS_REJECTED;
1488 else
1489 return MGMT_STATUS_SUCCESS;
1490}
1491
bfaf8c9f
JH		 1492static void set_discoverable_complete(struct hci_dev *hdev, u8 status)
1493{
1494 struct pending_cmd *cmd;
1495 struct mgmt_mode *cp;
970ba524 1496 struct hci_request req;
bfaf8c9f
JH		 1497 bool changed;
1498
1499 BT_DBG("status 0x%02x", status);
1500
1501 hci_dev_lock(hdev);
1502
1503 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1504 if (!cmd)
1505 goto unlock;
1506
1507 if (status) {
1508 u8 mgmt_err = mgmt_status(status);
1509 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
310a3d48 1510 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
bfaf8c9f
JH		 1511 goto remove_cmd;
1512 }
1513
1514 cp = cmd->param;
d4462a07 1515 if (cp->val) {
bfaf8c9f
JH		 1516 changed = !test_and_set_bit(HCI_DISCOVERABLE,
1517 &hdev->dev_flags);
d4462a07
MH		 1518
1519 if (hdev->discov_timeout > 0) {
1520 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1521 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1522 to);
1523 }
1524 } else {
bfaf8c9f
JH		 1525 changed = test_and_clear_bit(HCI_DISCOVERABLE,
1526 &hdev->dev_flags);
d4462a07 1527 }
bfaf8c9f
JH		 1528
1529 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1530
1531 if (changed)
1532 new_settings(hdev, cmd->sk);
1533
970ba524
MH		 1534 /* When the discoverable mode gets changed, make sure
1535 * that class of device has the limited discoverable
432df05e
JH		 1536 * bit correctly set. Also update page scan based on whitelist
1537 * entries.
970ba524
MH		 1538 */
1539 hci_req_init(&req, hdev);
432df05e 1540 hci_update_page_scan(hdev, &req);
970ba524
MH		 1541 update_class(&req);
1542 hci_req_run(&req, NULL);
1543
bfaf8c9f
JH		 1544remove_cmd:
1545 mgmt_pending_remove(cmd);
1546
1547unlock:
1548 hci_dev_unlock(hdev);
1549}
1550
bdb6d971 1551static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1552 u16 len)
73f22f62 1553{
650f726d 1554 struct mgmt_cp_set_discoverable *cp = data;
366a0336 1555 struct pending_cmd *cmd;
bfaf8c9f 1556 struct hci_request req;
5e5282bb 1557 u16 timeout;
9a43e25f 1558 u8 scan;
73f22f62
JH		 1559 int err;
1560
bdb6d971 1561 BT_DBG("request for %s", hdev->name);
73f22f62 1562
9a43e25f
JH		 1563 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1564 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1565 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
9a43e25f 1566 MGMT_STATUS_REJECTED);
33c525c0 1567
310a3d48 1568 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a7e80f25
JH		 1569 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1570 MGMT_STATUS_INVALID_PARAMS);
1571
1f350c87 1572 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1573
1574 /* Disabling discoverable requires that no timeout is set,
1575 * and enabling limited discoverable requires a timeout.
1576 */
1577 if ((cp->val == 0x00 && timeout > 0) ||
1578 (cp->val == 0x02 && timeout == 0))
bdb6d971 1579 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1580 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1581
09fd0de5 1582 hci_dev_lock(hdev);
73f22f62 1583
5e5282bb 1584 if (!hdev_is_powered(hdev) && timeout > 0) {
bdb6d971 1585 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1586 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1587 goto failed;
1588 }
1589
2e58ef3e 1590 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1591 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1592 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1593 MGMT_STATUS_BUSY);
73f22f62
JH		 1594 goto failed;
1595 }
1596
5e5282bb 1597 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
bdb6d971 1598 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1599 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1600 goto failed;
1601 }
1602
1603 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1604 bool changed = false;
1605
310a3d48
MH		 1606 /* Setting limited discoverable when powered off is
1607 * not a valid operation since it requires a timeout
1608 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1609 */
0224d2fa
JH		 1610 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
1611 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1612 changed = true;
1613 }
1614
5e5282bb 1615 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1616 if (err < 0)
1617 goto failed;
1618
1619 if (changed)
1620 err = new_settings(hdev, sk);
1621
5e5282bb
JH		 1622 goto failed;
1623 }
1624
310a3d48
MH		 1625 /* If the current mode is the same, then just update the timeout
1626 * value with the new value. And if only the timeout gets updated,
1627 * then no need for any HCI transactions.
1628 */
1629 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) &&
1630 (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE,
1631 &hdev->dev_flags)) {
36261547
MH		 1632 cancel_delayed_work(&hdev->discov_off);
1633 hdev->discov_timeout = timeout;
955638ec 1634
36261547
MH		 1635 if (cp->val && hdev->discov_timeout > 0) {
1636 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1637 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1638 to);
955638ec
MH		 1639 }
1640
69ab39ea 1641 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1642 goto failed;
1643 }
1644
2e58ef3e 1645 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1646 if (!cmd) {
1647 err = -ENOMEM;
73f22f62 1648 goto failed;
366a0336 1649 }
73f22f62 1650
310a3d48
MH		 1651 /* Cancel any potential discoverable timeout that might be
1652 * still active and store new timeout value. The arming of
1653 * the timeout happens in the complete handler.
1654 */
1655 cancel_delayed_work(&hdev->discov_off);
1656 hdev->discov_timeout = timeout;
1657
b456f87c
JH		 1658 /* Limited discoverable mode */
1659 if (cp->val == 0x02)
1660 set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1661 else
1662 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1663
bfaf8c9f
JH		 1664 hci_req_init(&req, hdev);
1665
9a43e25f
JH		 1666 /* The procedure for LE-only controllers is much simpler - just
1667 * update the advertising data.
1668 */
1669 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1670 goto update_ad;
1671
73f22f62
JH		 1672 scan = SCAN_PAGE;
1673
310a3d48
MH		 1674 if (cp->val) {
1675 struct hci_cp_write_current_iac_lap hci_cp;
1676
1677 if (cp->val == 0x02) {
1678 /* Limited discoverable mode */
33337dcb 1679 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1680 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1681 hci_cp.iac_lap[1] = 0x8b;
1682 hci_cp.iac_lap[2] = 0x9e;
1683 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1684 hci_cp.iac_lap[4] = 0x8b;
1685 hci_cp.iac_lap[5] = 0x9e;
1686 } else {
1687 /* General discoverable mode */
310a3d48
MH		 1688 hci_cp.num_iac = 1;
1689 hci_cp.iac_lap[0] = 0x33; /* GIAC */
1690 hci_cp.iac_lap[1] = 0x8b;
1691 hci_cp.iac_lap[2] = 0x9e;
1692 }
1693
1694 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
1695 (hci_cp.num_iac * 3) + 1, &hci_cp);
1696
73f22f62 1697 scan |= SCAN_INQUIRY;
310a3d48
MH		 1698 } else {
1699 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1700 }
73f22f62 1701
310a3d48 1702 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 1703
9a43e25f
JH		 1704update_ad:
1705 update_adv_data(&req);
1706
bfaf8c9f 1707 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 1708 if (err < 0)
a664b5bc 1709 mgmt_pending_remove(cmd);
73f22f62
JH		 1710
1711failed:
09fd0de5 1712 hci_dev_unlock(hdev);
73f22f62
JH		 1713 return err;
1714}
1715
406d7804
JH		 1716static void write_fast_connectable(struct hci_request *req, bool enable)
1717{
bd98b996 1718 struct hci_dev *hdev = req->hdev;
406d7804
JH		 1719 struct hci_cp_write_page_scan_activity acp;
1720 u8 type;
1721
547003b1
JH		 1722 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1723 return;
1724
4c01f8b8
JH		 1725 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
1726 return;
1727
406d7804
JH		 1728 if (enable) {
1729 type = PAGE_SCAN_TYPE_INTERLACED;
1730
1731 /* 160 msec page scan interval */
dcf4adbf 1732 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 1733 } else {
1734 type = PAGE_SCAN_TYPE_STANDARD; /* default */
1735
1736 /* default 1.28 sec page scan */
dcf4adbf 1737 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 1738 }
1739
dcf4adbf 1740 acp.window = cpu_to_le16(0x0012);
406d7804 1741
bd98b996
JH		 1742 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
1743 __cpu_to_le16(hdev->page_scan_window) != acp.window)
1744 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
1745 sizeof(acp), &acp);
1746
1747 if (hdev->page_scan_type != type)
1748 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 1749}
1750
2b76f453
JH		 1751static void set_connectable_complete(struct hci_dev *hdev, u8 status)
1752{
1753 struct pending_cmd *cmd;
d7b856f9 1754 struct mgmt_mode *cp;
bc6d2d04 1755 bool conn_changed, discov_changed;
2b76f453
JH		 1756
1757 BT_DBG("status 0x%02x", status);
1758
1759 hci_dev_lock(hdev);
1760
1761 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1762 if (!cmd)
1763 goto unlock;
1764
37438c1f
JH		 1765 if (status) {
1766 u8 mgmt_err = mgmt_status(status);
1767 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1768 goto remove_cmd;
1769 }
1770
d7b856f9 1771 cp = cmd->param;
bc6d2d04
JH		 1772 if (cp->val) {
1773 conn_changed = !test_and_set_bit(HCI_CONNECTABLE,
1774 &hdev->dev_flags);
1775 discov_changed = false;
1776 } else {
1777 conn_changed = test_and_clear_bit(HCI_CONNECTABLE,
1778 &hdev->dev_flags);
1779 discov_changed = test_and_clear_bit(HCI_DISCOVERABLE,
1780 &hdev->dev_flags);
1781 }
d7b856f9 1782
2b76f453
JH		 1783 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1784
bc6d2d04 1785 if (conn_changed || discov_changed) {
d7b856f9 1786 new_settings(hdev, cmd->sk);
432df05e 1787 hci_update_page_scan(hdev, NULL);
bc6d2d04
JH		 1788 if (discov_changed)
1789 mgmt_update_adv_data(hdev);
2b7be33e
JH		 1790 hci_update_background_scan(hdev);
1791 }
d7b856f9 1792
37438c1f 1793remove_cmd:
2b76f453
JH		 1794 mgmt_pending_remove(cmd);
1795
1796unlock:
1797 hci_dev_unlock(hdev);
1798}
1799
e8ba3a1f
JH		 1800static int set_connectable_update_settings(struct hci_dev *hdev,
1801 struct sock *sk, u8 val)
1802{
1803 bool changed = false;
1804 int err;
1805
1806 if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
1807 changed = true;
1808
1809 if (val) {
1810 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1811 } else {
1812 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1813 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1814 }
1815
1816 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1817 if (err < 0)
1818 return err;
1819
562064e6 1820 if (changed) {
432df05e 1821 hci_update_page_scan(hdev, NULL);
562064e6 1822 hci_update_background_scan(hdev);
e8ba3a1f 1823 return new_settings(hdev, sk);
562064e6 1824 }
e8ba3a1f
JH		 1825
1826 return 0;
1827}
1828
bdb6d971 1829static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1830 u16 len)
9fbcbb45 1831{
650f726d 1832 struct mgmt_mode *cp = data;
366a0336 1833 struct pending_cmd *cmd;
2b76f453 1834 struct hci_request req;
1987fdc7 1835 u8 scan;
9fbcbb45
JH		 1836 int err;
1837
bdb6d971 1838 BT_DBG("request for %s", hdev->name);
9fbcbb45 1839
1987fdc7
JH		 1840 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1841 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1842 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1987fdc7 1843 MGMT_STATUS_REJECTED);
33c525c0 1844
a7e80f25
JH		 1845 if (cp->val != 0x00 && cp->val != 0x01)
1846 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1847 MGMT_STATUS_INVALID_PARAMS);
1848
09fd0de5 1849 hci_dev_lock(hdev);
9fbcbb45 1850
4b34ee78 1851 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1852 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1853 goto failed;
1854 }
1855
2e58ef3e 1856 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1857 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1858 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
04124681 1859 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1860 goto failed;
1861 }
1862
2e58ef3e 1863 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1864 if (!cmd) {
1865 err = -ENOMEM;
9fbcbb45 1866 goto failed;
366a0336 1867 }
9fbcbb45 1868
9b74246f 1869 hci_req_init(&req, hdev);
9fbcbb45 1870
9a43e25f
JH		 1871 /* If BR/EDR is not enabled and we disable advertising as a
1872 * by-product of disabling connectable, we need to update the
1873 * advertising flags.
1874 */
1875 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
1876 if (!cp->val) {
1877 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1878 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1879 }
1880 update_adv_data(&req);
1881 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 1882 if (cp->val) {
1883 scan = SCAN_PAGE;
1884 } else {
3bd27240
JH		 1885 /* If we don't have any whitelist entries just
1886 * disable all scanning. If there are entries
1887 * and we had both page and inquiry scanning
1888 * enabled then fall back to only page scanning.
1889 * Otherwise no changes are needed.
1890 */
1891 if (list_empty(&hdev->whitelist))
1892 scan = SCAN_DISABLED;
1893 else if (test_bit(HCI_ISCAN, &hdev->flags))
1894 scan = SCAN_PAGE;
1895 else
1896 goto no_scan_update;
9b74246f
JH		 1897
1898 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 1899 hdev->discov_timeout > 0)
9b74246f
JH		 1900 cancel_delayed_work(&hdev->discov_off);
1901 }
2b76f453 1902
9b74246f
JH		 1903 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1904 }
2b76f453 1905
3bd27240 1906no_scan_update:
4c01f8b8
JH		 1907 /* If we're going from non-connectable to connectable or
1908 * vice-versa when fast connectable is enabled ensure that fast
1909 * connectable gets disabled. write_fast_connectable won't do
1910 * anything if the page scan parameters are already what they
1911 * should be.
1912 */
1913 if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
e36a3769
JH		 1914 write_fast_connectable(&req, false);
1915
e8b1202c
JH		 1916 /* Update the advertising parameters if necessary */
1917 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
1987fdc7 1918 enable_advertising(&req);
1987fdc7 1919
2b76f453 1920 err = hci_req_run(&req, set_connectable_complete);
9b74246f 1921 if (err < 0) {
a664b5bc 1922 mgmt_pending_remove(cmd);
9b74246f 1923 if (err == -ENODATA)
a81070ba
JH		 1924 err = set_connectable_update_settings(hdev, sk,
1925 cp->val);
9b74246f
JH		 1926 goto failed;
1927 }
9fbcbb45
JH		 1928
1929failed:
09fd0de5 1930 hci_dev_unlock(hdev);
9fbcbb45
JH		 1931 return err;
1932}
1933
b2939475 1934static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1935 u16 len)
c542a06c 1936{
650f726d 1937 struct mgmt_mode *cp = data;
55594356 1938 bool changed;
c542a06c
JH		 1939 int err;
1940
bdb6d971 1941 BT_DBG("request for %s", hdev->name);
c542a06c 1942
a7e80f25 1943 if (cp->val != 0x00 && cp->val != 0x01)
b2939475 1944 return cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
a7e80f25
JH		 1945 MGMT_STATUS_INVALID_PARAMS);
1946
09fd0de5 1947 hci_dev_lock(hdev);
c542a06c
JH		 1948
1949 if (cp->val)
b6ae8457 1950 changed = !test_and_set_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1951 else
b6ae8457 1952 changed = test_and_clear_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1953
b2939475 1954 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 1955 if (err < 0)
55594356 1956 goto unlock;
c542a06c 1957
55594356
MH		 1958 if (changed)
1959 err = new_settings(hdev, sk);
c542a06c 1960
55594356 1961unlock:
09fd0de5 1962 hci_dev_unlock(hdev);
c542a06c
JH		 1963 return err;
1964}
1965
04124681
GP		 1966static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1967 u16 len)
33ef95ed
JH		 1968{
1969 struct mgmt_mode *cp = data;
1970 struct pending_cmd *cmd;
e6fe7986 1971 u8 val, status;
33ef95ed
JH		 1972 int err;
1973
bdb6d971 1974 BT_DBG("request for %s", hdev->name);
33ef95ed 1975
e6fe7986
JH		 1976 status = mgmt_bredr_support(hdev);
1977 if (status)
33c525c0 1978 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
e6fe7986 1979 status);
33c525c0 1980
a7e80f25
JH		 1981 if (cp->val != 0x00 && cp->val != 0x01)
1982 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1983 MGMT_STATUS_INVALID_PARAMS);
1984
33ef95ed
JH		 1985 hci_dev_lock(hdev);
1986
4b34ee78 1987 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1988 bool changed = false;
1989
1990 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
8ce8e2b5 1991 &hdev->dev_flags)) {
47990ea0
JH		 1992 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1993 changed = true;
1994 }
1995
1996 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1997 if (err < 0)
1998 goto failed;
1999
2000 if (changed)
2001 err = new_settings(hdev, sk);
2002
33ef95ed
JH		 2003 goto failed;
2004 }
2005
2006 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
bdb6d971 2007 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
04124681 2008 MGMT_STATUS_BUSY);
33ef95ed
JH		 2009 goto failed;
2010 }
2011
2012 val = !!cp->val;
2013
2014 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2015 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2016 goto failed;
2017 }
2018
2019 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2020 if (!cmd) {
2021 err = -ENOMEM;
2022 goto failed;
2023 }
2024
2025 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2026 if (err < 0) {
2027 mgmt_pending_remove(cmd);
2028 goto failed;
2029 }
2030
2031failed:
2032 hci_dev_unlock(hdev);
33ef95ed
JH		 2033 return err;
2034}
2035
bdb6d971 2036static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2037{
2038 struct mgmt_mode *cp = data;
2039 struct pending_cmd *cmd;
72ef0c1a 2040 u8 status;
ed2c4ee3
JH		 2041 int err;
2042
bdb6d971 2043 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2044
cdba5281
MH		 2045 status = mgmt_bredr_support(hdev);
2046 if (status)
2047 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
2048
13ecd8b6
JH		 2049 if (!lmp_ssp_capable(hdev))
2050 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2051 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2052
a7e80f25
JH		 2053 if (cp->val != 0x00 && cp->val != 0x01)
2054 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2055 MGMT_STATUS_INVALID_PARAMS);
2056
13ecd8b6 2057 hci_dev_lock(hdev);
6c8f12c1 2058
4b34ee78 2059 if (!hdev_is_powered(hdev)) {
9ecb3e24 2060 bool changed;
c0ecddc2 2061
9ecb3e24
MH		 2062 if (cp->val) {
2063 changed = !test_and_set_bit(HCI_SSP_ENABLED,
2064 &hdev->dev_flags);
2065 } else {
2066 changed = test_and_clear_bit(HCI_SSP_ENABLED,
2067 &hdev->dev_flags);
2068 if (!changed)
2069 changed = test_and_clear_bit(HCI_HS_ENABLED,
2070 &hdev->dev_flags);
2071 else
2072 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
c0ecddc2
JH		 2073 }
2074
2075 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2076 if (err < 0)
2077 goto failed;
2078
2079 if (changed)
2080 err = new_settings(hdev, sk);
2081
ed2c4ee3
JH		 2082 goto failed;
2083 }
2084
9ecb3e24
MH		 2085 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) ||
2086 mgmt_pending_find(MGMT_OP_SET_HS, hdev)) {
d97dcb66
SJ		 2087 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2088 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2089 goto failed;
2090 }
2091
72ef0c1a 2092 if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
ed2c4ee3
JH		 2093 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2094 goto failed;
2095 }
2096
2097 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2098 if (!cmd) {
2099 err = -ENOMEM;
2100 goto failed;
2101 }
2102
3769972b
JH		 2103 if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
2104 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2105 sizeof(cp->val), &cp->val);
2106
72ef0c1a 2107 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2108 if (err < 0) {
2109 mgmt_pending_remove(cmd);
2110 goto failed;
2111 }
2112
2113failed:
2114 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2115 return err;
2116}
2117
bdb6d971 2118static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2119{
2120 struct mgmt_mode *cp = data;
ee392693 2121 bool changed;
e6fe7986 2122 u8 status;
ee392693 2123 int err;
6d80dfd0 2124
bdb6d971 2125 BT_DBG("request for %s", hdev->name);
6d80dfd0 2126
e6fe7986
JH		 2127 status = mgmt_bredr_support(hdev);
2128 if (status)
2129 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2130
9ecb3e24
MH		 2131 if (!lmp_ssp_capable(hdev))
2132 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2133 MGMT_STATUS_NOT_SUPPORTED);
2134
2135 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
2136 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2137 MGMT_STATUS_REJECTED);
2138
a7e80f25
JH		 2139 if (cp->val != 0x00 && cp->val != 0x01)
2140 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2141 MGMT_STATUS_INVALID_PARAMS);
2142
ee392693
MH		 2143 hci_dev_lock(hdev);
2144
a0cdf960 2145 if (cp->val) {
ee392693 2146 changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960
MH		 2147 } else {
2148 if (hdev_is_powered(hdev)) {
2149 err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2150 MGMT_STATUS_REJECTED);
2151 goto unlock;
2152 }
2153
ee392693 2154 changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960 2155 }
ee392693
MH		 2156
2157 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2158 if (err < 0)
2159 goto unlock;
2160
2161 if (changed)
2162 err = new_settings(hdev, sk);
6d80dfd0 2163
ee392693
MH		 2164unlock:
2165 hci_dev_unlock(hdev);
2166 return err;
6d80dfd0
JH		 2167}
2168
416a4ae5
JH		 2169static void le_enable_complete(struct hci_dev *hdev, u8 status)
2170{
2171 struct cmd_lookup match = { NULL, hdev };
2172
2173 if (status) {
2174 u8 mgmt_err = mgmt_status(status);
2175
2176 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2177 &mgmt_err);
2178 return;
2179 }
2180
2181 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2182
2183 new_settings(hdev, match.sk);
2184
2185 if (match.sk)
2186 sock_put(match.sk);
441ad2d0
MH		 2187
2188 /* Make sure the controller has a good default for
2189 * advertising data. Restrict the update to when LE
2190 * has actually been enabled. During power on, the
2191 * update in powered_update_hci will take care of it.
2192 */
2193 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2194 struct hci_request req;
2195
2196 hci_dev_lock(hdev);
2197
2198 hci_req_init(&req, hdev);
5947f4bc 2199 update_adv_data(&req);
f14d8f64 2200 update_scan_rsp_data(&req);
441ad2d0
MH		 2201 hci_req_run(&req, NULL);
2202
a70f4b5f
JH		 2203 hci_update_background_scan(hdev);
2204
441ad2d0
MH		 2205 hci_dev_unlock(hdev);
2206 }
416a4ae5
JH		 2207}
2208
bdb6d971 2209static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2210{
2211 struct mgmt_mode *cp = data;
2212 struct hci_cp_write_le_host_supported hci_cp;
2213 struct pending_cmd *cmd;
416a4ae5 2214 struct hci_request req;
06199cf8 2215 int err;
0b60eba1 2216 u8 val, enabled;
06199cf8 2217
bdb6d971 2218 BT_DBG("request for %s", hdev->name);
06199cf8 2219
13ecd8b6
JH		 2220 if (!lmp_le_capable(hdev))
2221 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2222 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2223
a7e80f25
JH		 2224 if (cp->val != 0x00 && cp->val != 0x01)
2225 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2226 MGMT_STATUS_INVALID_PARAMS);
2227
c73eee91 2228 /* LE-only devices do not allow toggling LE on/off */
56f87901 2229 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
c73eee91
JH		 2230 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2231 MGMT_STATUS_REJECTED);
2232
13ecd8b6 2233 hci_dev_lock(hdev);
06199cf8
JH		 2234
2235 val = !!cp->val;
ffa88e02 2236 enabled = lmp_host_le_capable(hdev);
06199cf8 2237
0b60eba1 2238 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2239 bool changed = false;
2240
2241 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2242 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
2243 changed = true;
2244 }
2245
f3d3444a
JH		 2246 if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
2247 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
eeca6f89
JH		 2248 changed = true;
2249 }
2250
06199cf8
JH		 2251 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2252 if (err < 0)
1de028ce 2253 goto unlock;
06199cf8
JH		 2254
2255 if (changed)
2256 err = new_settings(hdev, sk);
2257
1de028ce 2258 goto unlock;
06199cf8
JH		 2259 }
2260
4375f103
JH		 2261 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) ||
2262 mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
bdb6d971 2263 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
04124681 2264 MGMT_STATUS_BUSY);
1de028ce 2265 goto unlock;
06199cf8
JH		 2266 }
2267
2268 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2269 if (!cmd) {
2270 err = -ENOMEM;
1de028ce 2271 goto unlock;
06199cf8
JH		 2272 }
2273
441ad2d0
MH		 2274 hci_req_init(&req, hdev);
2275
06199cf8
JH		 2276 memset(&hci_cp, 0, sizeof(hci_cp));
2277
2278 if (val) {
2279 hci_cp.le = val;
32226e4f 2280 hci_cp.simul = 0x00;
441ad2d0 2281 } else {
73e082f8 2282 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
441ad2d0 2283 disable_advertising(&req);
06199cf8
JH		 2284 }
2285
416a4ae5
JH		 2286 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2287 &hci_cp);
2288
2289 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2290 if (err < 0)
06199cf8 2291 mgmt_pending_remove(cmd);
06199cf8 2292
1de028ce
JH		 2293unlock:
2294 hci_dev_unlock(hdev);
06199cf8
JH		 2295 return err;
2296}
2297
0cab9c80
JH		 2298/* This is a helper function to test for pending mgmt commands that can
2299 * cause CoD or EIR HCI commands. We can only allow one such pending
2300 * mgmt command at a time since otherwise we cannot easily track what
2301 * the current values are, will be, and based on that calculate if a new
2302 * HCI command needs to be sent and if yes with what value.
2303 */
2304static bool pending_eir_or_class(struct hci_dev *hdev)
2305{
2306 struct pending_cmd *cmd;
2307
2308 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2309 switch (cmd->opcode) {
2310 case MGMT_OP_ADD_UUID:
2311 case MGMT_OP_REMOVE_UUID:
2312 case MGMT_OP_SET_DEV_CLASS:
2313 case MGMT_OP_SET_POWERED:
2314 return true;
2315 }
2316 }
2317
2318 return false;
2319}
2320
83be8eca
JH		 2321static const u8 bluetooth_base_uuid[] = {
2322 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2323 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2324};
2325
2326static u8 get_uuid_size(const u8 *uuid)
2327{
2328 u32 val;
2329
2330 if (memcmp(uuid, bluetooth_base_uuid, 12))
2331 return 128;
2332
2333 val = get_unaligned_le32(&uuid[12]);
2334 if (val > 0xffff)
2335 return 32;
2336
2337 return 16;
2338}
2339
92da6097
JH		 2340static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2341{
2342 struct pending_cmd *cmd;
2343
2344 hci_dev_lock(hdev);
2345
2346 cmd = mgmt_pending_find(mgmt_op, hdev);
2347 if (!cmd)
2348 goto unlock;
2349
2350 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
2351 hdev->dev_class, 3);
2352
2353 mgmt_pending_remove(cmd);
2354
2355unlock:
2356 hci_dev_unlock(hdev);
2357}
2358
2359static void add_uuid_complete(struct hci_dev *hdev, u8 status)
2360{
2361 BT_DBG("status 0x%02x", status);
2362
2363 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2364}
2365
bdb6d971 2366static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2367{
650f726d 2368 struct mgmt_cp_add_uuid *cp = data;
90e70454 2369 struct pending_cmd *cmd;
890ea898 2370 struct hci_request req;
2aeb9a1a 2371 struct bt_uuid *uuid;
2aeb9a1a
JH		 2372 int err;
2373
bdb6d971 2374 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2375
09fd0de5 2376 hci_dev_lock(hdev);
2aeb9a1a 2377
0cab9c80 2378 if (pending_eir_or_class(hdev)) {
bdb6d971 2379 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
04124681 2380 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2381 goto failed;
2382 }
2383
92c4c204 2384 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2385 if (!uuid) {
2386 err = -ENOMEM;
2387 goto failed;
2388 }
2389
2390 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2391 uuid->svc_hint = cp->svc_hint;
83be8eca 2392 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2393
de66aa63 2394 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2395
890ea898 2396 hci_req_init(&req, hdev);
1aff6f09 2397
890ea898
JH		 2398 update_class(&req);
2399 update_eir(&req);
2400
92da6097
JH		 2401 err = hci_req_run(&req, add_uuid_complete);
2402 if (err < 0) {
2403 if (err != -ENODATA)
2404 goto failed;
80a1e1db 2405
bdb6d971 2406 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
04124681 2407 hdev->dev_class, 3);
90e70454
JH		 2408 goto failed;
2409 }
2410
2411 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2412 if (!cmd) {
90e70454 2413 err = -ENOMEM;
890ea898
JH		 2414 goto failed;
2415 }
2416
2417 err = 0;
2aeb9a1a
JH		 2418
2419failed:
09fd0de5 2420 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2421 return err;
2422}
2423
24b78d0f
JH		 2424static bool enable_service_cache(struct hci_dev *hdev)
2425{
2426 if (!hdev_is_powered(hdev))
2427 return false;
2428
2429 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
46818ed5
JH		 2430 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2431 CACHE_TIMEOUT);
24b78d0f
JH		 2432 return true;
2433 }
2434
2435 return false;
2436}
2437
92da6097
JH		 2438static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
2439{
2440 BT_DBG("status 0x%02x", status);
2441
2442 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2443}
2444
bdb6d971 2445static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2446 u16 len)
2aeb9a1a 2447{
650f726d 2448 struct mgmt_cp_remove_uuid *cp = data;
90e70454 2449 struct pending_cmd *cmd;
056341c8 2450 struct bt_uuid *match, *tmp;
2aeb9a1a 2451 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2452 struct hci_request req;
2aeb9a1a
JH		 2453 int err, found;
2454
bdb6d971 2455 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2456
09fd0de5 2457 hci_dev_lock(hdev);
2aeb9a1a 2458
0cab9c80 2459 if (pending_eir_or_class(hdev)) {
bdb6d971 2460 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2461 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2462 goto unlock;
2463 }
2464
2aeb9a1a 2465 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2466 hci_uuids_clear(hdev);
4004b6d9 2467
24b78d0f 2468 if (enable_service_cache(hdev)) {
bdb6d971 2469 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2470 0, hdev->dev_class, 3);
24b78d0f
JH		 2471 goto unlock;
2472 }
4004b6d9 2473
9246a869 2474 goto update_class;
2aeb9a1a
JH		 2475 }
2476
2477 found = 0;
2478
056341c8 2479 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2480 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2481 continue;
2482
2483 list_del(&match->list);
482049f7 2484 kfree(match);
2aeb9a1a
JH		 2485 found++;
2486 }
2487
2488 if (found == 0) {
bdb6d971 2489 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2490 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2491 goto unlock;
2492 }
2493
9246a869 2494update_class:
890ea898 2495 hci_req_init(&req, hdev);
1aff6f09 2496
890ea898
JH		 2497 update_class(&req);
2498 update_eir(&req);
2499
92da6097
JH		 2500 err = hci_req_run(&req, remove_uuid_complete);
2501 if (err < 0) {
2502 if (err != -ENODATA)
2503 goto unlock;
80a1e1db 2504
bdb6d971 2505 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
04124681 2506 hdev->dev_class, 3);
90e70454
JH		 2507 goto unlock;
2508 }
2509
2510 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2511 if (!cmd) {
90e70454 2512 err = -ENOMEM;
890ea898
JH		 2513 goto unlock;
2514 }
2515
2516 err = 0;
2aeb9a1a
JH		 2517
2518unlock:
09fd0de5 2519 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2520 return err;
2521}
2522
92da6097
JH		 2523static void set_class_complete(struct hci_dev *hdev, u8 status)
2524{
2525 BT_DBG("status 0x%02x", status);
2526
2527 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2528}
2529
bdb6d971 2530static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2531 u16 len)
1aff6f09 2532{
650f726d 2533 struct mgmt_cp_set_dev_class *cp = data;
90e70454 2534 struct pending_cmd *cmd;
890ea898 2535 struct hci_request req;
1aff6f09
JH		 2536 int err;
2537
bdb6d971 2538 BT_DBG("request for %s", hdev->name);
1aff6f09 2539
6203fc98 2540 if (!lmp_bredr_capable(hdev))
13ecd8b6
JH		 2541 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2542 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2543
0cab9c80 2544 hci_dev_lock(hdev);
ee98f473 2545
0cab9c80
JH		 2546 if (pending_eir_or_class(hdev)) {
2547 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2548 MGMT_STATUS_BUSY);
2549 goto unlock;
2550 }
c95f0ba7 2551
0cab9c80
JH		 2552 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2553 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2554 MGMT_STATUS_INVALID_PARAMS);
2555 goto unlock;
2556 }
575b3a02 2557
932f5ff5
JH		 2558 hdev->major_class = cp->major;
2559 hdev->minor_class = cp->minor;
2560
b5235a65 2561 if (!hdev_is_powered(hdev)) {
bdb6d971 2562 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2563 hdev->dev_class, 3);
b5235a65
JH		 2564 goto unlock;
2565 }
2566
890ea898
JH		 2567 hci_req_init(&req, hdev);
2568
a8b2d5c2 2569 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
7d78525d
JH		 2570 hci_dev_unlock(hdev);
2571 cancel_delayed_work_sync(&hdev->service_cache);
2572 hci_dev_lock(hdev);
890ea898 2573 update_eir(&req);
7d78525d 2574 }
14c0b608 2575
890ea898
JH		 2576 update_class(&req);
2577
92da6097
JH		 2578 err = hci_req_run(&req, set_class_complete);
2579 if (err < 0) {
2580 if (err != -ENODATA)
2581 goto unlock;
1aff6f09 2582
bdb6d971 2583 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2584 hdev->dev_class, 3);
90e70454
JH		 2585 goto unlock;
2586 }
2587
2588 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2589 if (!cmd) {
90e70454 2590 err = -ENOMEM;
890ea898
JH		 2591 goto unlock;
2592 }
2593
2594 err = 0;
1aff6f09 2595
b5235a65 2596unlock:
09fd0de5 2597 hci_dev_unlock(hdev);
1aff6f09
JH		 2598 return err;
2599}
2600
bdb6d971 2601static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2602 u16 len)
55ed8ca1 2603{
650f726d 2604 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2605 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2606 sizeof(struct mgmt_link_key_info));
4e51eae9 2607 u16 key_count, expected_len;
b1de97d8 2608 bool changed;
a492cd52 2609 int i;
55ed8ca1 2610
9060d5cf
MH		 2611 BT_DBG("request for %s", hdev->name);
2612
2613 if (!lmp_bredr_capable(hdev))
2614 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2615 MGMT_STATUS_NOT_SUPPORTED);
2616
1f350c87 2617 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2618 if (key_count > max_key_count) {
2619 BT_ERR("load_link_keys: too big key_count value %u",
2620 key_count);
2621 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2622 MGMT_STATUS_INVALID_PARAMS);
2623 }
55ed8ca1 2624
86742e1e
JH		 2625 expected_len = sizeof(*cp) + key_count *
2626 sizeof(struct mgmt_link_key_info);
a492cd52 2627 if (expected_len != len) {
86742e1e 2628 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2629 expected_len, len);
bdb6d971 2630 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
04124681 2631 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2632 }
2633
4ae14301
JH		 2634 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2635 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2636 MGMT_STATUS_INVALID_PARAMS);
2637
bdb6d971 2638 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2639 key_count);
55ed8ca1 2640
4ee71b20
JH		 2641 for (i = 0; i < key_count; i++) {
2642 struct mgmt_link_key_info *key = &cp->keys[i];
2643
8e991132 2644 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
4ee71b20
JH		 2645 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2646 MGMT_STATUS_INVALID_PARAMS);
2647 }
2648
09fd0de5 2649 hci_dev_lock(hdev);
55ed8ca1
JH		 2650
2651 hci_link_keys_clear(hdev);
2652
55ed8ca1 2653 if (cp->debug_keys)
0663b297
JH		 2654 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
2655 &hdev->dev_flags);
55ed8ca1 2656 else
0663b297
JH		 2657 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
2658 &hdev->dev_flags);
b1de97d8
MH		 2659
2660 if (changed)
2661 new_settings(hdev, NULL);
55ed8ca1 2662
a492cd52 2663 for (i = 0; i < key_count; i++) {
86742e1e 2664 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2665
58e9293c
JH		 2666 /* Always ignore debug keys and require a new pairing if
2667 * the user wants to use them.
2668 */
2669 if (key->type == HCI_LK_DEBUG_COMBINATION)
2670 continue;
2671
7652ff6a
JH		 2672 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2673 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2674 }
2675
bdb6d971 2676 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2677
09fd0de5 2678 hci_dev_unlock(hdev);
55ed8ca1 2679
a492cd52 2680 return 0;
55ed8ca1
JH		 2681}
2682
b1078ad0 2683static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2684 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2685{
2686 struct mgmt_ev_device_unpaired ev;
2687
2688 bacpy(&ev.addr.bdaddr, bdaddr);
2689 ev.addr.type = addr_type;
2690
2691 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2692 skip_sk);
b1078ad0
JH		 2693}
2694
bdb6d971 2695static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2696 u16 len)
55ed8ca1 2697{
124f6e35
JH		 2698 struct mgmt_cp_unpair_device *cp = data;
2699 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 2700 struct hci_cp_disconnect dc;
2701 struct pending_cmd *cmd;
55ed8ca1 2702 struct hci_conn *conn;
55ed8ca1
JH		 2703 int err;
2704
a8a1d19e 2705 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2706 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2707 rp.addr.type = cp->addr.type;
a8a1d19e 2708
4ee71b20
JH		 2709 if (!bdaddr_type_is_valid(cp->addr.type))
2710 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2711 MGMT_STATUS_INVALID_PARAMS,
2712 &rp, sizeof(rp));
2713
118da70b
JH		 2714 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2715 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2716 MGMT_STATUS_INVALID_PARAMS,
2717 &rp, sizeof(rp));
2718
4ee71b20
JH		 2719 hci_dev_lock(hdev);
2720
86a8cfc6 2721 if (!hdev_is_powered(hdev)) {
bdb6d971 2722 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2723 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
86a8cfc6
JH		 2724 goto unlock;
2725 }
2726
e0b2b27e 2727 if (cp->addr.type == BDADDR_BREDR) {
124f6e35 2728 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 2729 } else {
2730 u8 addr_type;
2731
2732 if (cp->addr.type == BDADDR_LE_PUBLIC)
2733 addr_type = ADDR_LE_DEV_PUBLIC;
2734 else
2735 addr_type = ADDR_LE_DEV_RANDOM;
2736
a7ec7338
JH		 2737 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2738
a9b0a04c
AG		 2739 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2740
e0b2b27e
JH		 2741 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2742 }
b0dbfb46 2743
55ed8ca1 2744 if (err < 0) {
bdb6d971 2745 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2746 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH		 2747 goto unlock;
2748 }
2749
86a8cfc6 2750 if (cp->disconnect) {
591f47f3 2751 if (cp->addr.type == BDADDR_BREDR)
86a8cfc6 2752 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
8ce8e2b5 2753 &cp->addr.bdaddr);
86a8cfc6
JH		 2754 else
2755 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
8ce8e2b5 2756 &cp->addr.bdaddr);
86a8cfc6
JH		 2757 } else {
2758 conn = NULL;
2759 }
124f6e35 2760
a8a1d19e 2761 if (!conn) {
bdb6d971 2762 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 2763 &rp, sizeof(rp));
b1078ad0 2764 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2765 goto unlock;
2766 }
55ed8ca1 2767
124f6e35 2768 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2769 sizeof(*cp));
a8a1d19e
JH		 2770 if (!cmd) {
2771 err = -ENOMEM;
2772 goto unlock;
55ed8ca1
JH		 2773 }
2774
eb55ef07 2775 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 2776 dc.reason = 0x13; /* Remote User Terminated Connection */
2777 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2778 if (err < 0)
2779 mgmt_pending_remove(cmd);
2780
55ed8ca1 2781unlock:
09fd0de5 2782 hci_dev_unlock(hdev);
55ed8ca1
JH		 2783 return err;
2784}
2785
bdb6d971 2786static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2787 u16 len)
8962ee74 2788{
650f726d 2789 struct mgmt_cp_disconnect *cp = data;
06a63b19 2790 struct mgmt_rp_disconnect rp;
366a0336 2791 struct pending_cmd *cmd;
8962ee74 2792 struct hci_conn *conn;
8962ee74
JH		 2793 int err;
2794
2795 BT_DBG("");
2796
06a63b19
JH		 2797 memset(&rp, 0, sizeof(rp));
2798 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2799 rp.addr.type = cp->addr.type;
2800
4ee71b20 2801 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH		 2802 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2803 MGMT_STATUS_INVALID_PARAMS,
2804 &rp, sizeof(rp));
4ee71b20 2805
09fd0de5 2806 hci_dev_lock(hdev);
8962ee74
JH		 2807
2808 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH		 2809 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2810 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH		 2811 goto failed;
2812 }
2813
2e58ef3e 2814 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH		 2815 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2816 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2817 goto failed;
2818 }
2819
591f47f3 2820 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2821 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2822 &cp->addr.bdaddr);
88c3df13
JH		 2823 else
2824 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 2825
f960727e 2826 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH		 2827 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2828 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH		 2829 goto failed;
2830 }
2831
2e58ef3e 2832 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2833 if (!cmd) {
2834 err = -ENOMEM;
8962ee74 2835 goto failed;
366a0336 2836 }
8962ee74 2837
e3f2f92a 2838 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 2839 if (err < 0)
a664b5bc 2840 mgmt_pending_remove(cmd);
8962ee74
JH		 2841
2842failed:
09fd0de5 2843 hci_dev_unlock(hdev);
8962ee74
JH		 2844 return err;
2845}
2846
57c1477c 2847static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2848{
2849 switch (link_type) {
2850 case LE_LINK:
48264f06
JH		 2851 switch (addr_type) {
2852 case ADDR_LE_DEV_PUBLIC:
591f47f3 2853 return BDADDR_LE_PUBLIC;
0ed09148 2854
48264f06 2855 default:
0ed09148 2856 /* Fallback to LE Random address type */
591f47f3 2857 return BDADDR_LE_RANDOM;
48264f06 2858 }
0ed09148 2859
4c659c39 2860 default:
0ed09148 2861 /* Fallback to BR/EDR type */
591f47f3 2862 return BDADDR_BREDR;
4c659c39
JH		 2863 }
2864}
2865
04124681
GP		 2866static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2867 u16 data_len)
2784eb41 2868{
2784eb41 2869 struct mgmt_rp_get_connections *rp;
8035ded4 2870 struct hci_conn *c;
a38528f1 2871 size_t rp_len;
60fc5fb6
JH		 2872 int err;
2873 u16 i;
2784eb41
JH		 2874
2875 BT_DBG("");
2876
09fd0de5 2877 hci_dev_lock(hdev);
2784eb41 2878
5f97c1df 2879 if (!hdev_is_powered(hdev)) {
bdb6d971 2880 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 2881 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2882 goto unlock;
2883 }
2884
60fc5fb6 2885 i = 0;
b644ba33
JH		 2886 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2887 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2888 i++;
2784eb41
JH		 2889 }
2890
60fc5fb6 2891 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2892 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2893 if (!rp) {
2784eb41
JH		 2894 err = -ENOMEM;
2895 goto unlock;
2896 }
2897
2784eb41 2898 i = 0;
4c659c39 2899 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2900 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2901 continue;
4c659c39 2902 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2903 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2904 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2905 continue;
2906 i++;
2907 }
2908
eb55ef07 2909 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2910
4c659c39
JH		 2911 /* Recalculate length in case of filtered SCO connections, etc */
2912 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2913
bdb6d971 2914 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 2915 rp_len);
2784eb41 2916
a38528f1 2917 kfree(rp);
5f97c1df
JH		 2918
2919unlock:
09fd0de5 2920 hci_dev_unlock(hdev);
2784eb41
JH		 2921 return err;
2922}
2923
bdb6d971 2924static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2925 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR		 2926{
2927 struct pending_cmd *cmd;
2928 int err;
2929
2e58ef3e 2930 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2931 sizeof(*cp));
96d97a67
WR		 2932 if (!cmd)
2933 return -ENOMEM;
2934
d8457698 2935 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2936 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2937 if (err < 0)
2938 mgmt_pending_remove(cmd);
2939
2940 return err;
2941}
2942
bdb6d971 2943static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2944 u16 len)
980e1a53 2945{
96d97a67 2946 struct hci_conn *conn;
650f726d 2947 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2948 struct hci_cp_pin_code_reply reply;
366a0336 2949 struct pending_cmd *cmd;
980e1a53
JH		 2950 int err;
2951
2952 BT_DBG("");
2953
09fd0de5 2954 hci_dev_lock(hdev);
980e1a53 2955
4b34ee78 2956 if (!hdev_is_powered(hdev)) {
bdb6d971 2957 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2958 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2959 goto failed;
2960 }
2961
d8457698 2962 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2963 if (!conn) {
bdb6d971 2964 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2965 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2966 goto failed;
2967 }
2968
2969 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2970 struct mgmt_cp_pin_code_neg_reply ncp;
2971
2972 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2973
2974 BT_ERR("PIN code is not 16 bytes long");
2975
bdb6d971 2976 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2977 if (err >= 0)
bdb6d971 2978 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2979 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 2980
2981 goto failed;
2982 }
2983
00abfe44 2984 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 2985 if (!cmd) {
2986 err = -ENOMEM;
980e1a53 2987 goto failed;
366a0336 2988 }
980e1a53 2989
d8457698 2990 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2991 reply.pin_len = cp->pin_len;
24718ca5 2992 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 2993
2994 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2995 if (err < 0)
a664b5bc 2996 mgmt_pending_remove(cmd);
980e1a53
JH		 2997
2998failed:
09fd0de5 2999 hci_dev_unlock(hdev);
980e1a53
JH		 3000 return err;
3001}
3002
04124681
GP		 3003static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3004 u16 len)
17fa4b9d 3005{
650f726d 3006 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3007
3008 BT_DBG("");
3009
4ec86d4c
JH		 3010 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
3011 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3012 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
3013
09fd0de5 3014 hci_dev_lock(hdev);
17fa4b9d
JH		 3015
3016 hdev->io_capability = cp->io_capability;
3017
3018 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3019 hdev->io_capability);
17fa4b9d 3020
09fd0de5 3021 hci_dev_unlock(hdev);
17fa4b9d 3022
04124681
GP		 3023 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
3024 0);
17fa4b9d
JH		 3025}
3026
6039aa73 3027static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3028{
3029 struct hci_dev *hdev = conn->hdev;
8035ded4 3030 struct pending_cmd *cmd;
e9a416b5 3031
2e58ef3e 3032 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3033 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3034 continue;
3035
e9a416b5
JH		 3036 if (cmd->user_data != conn)
3037 continue;
3038
3039 return cmd;
3040 }
3041
3042 return NULL;
3043}
3044
3045static void pairing_complete(struct pending_cmd *cmd, u8 status)
3046{
3047 struct mgmt_rp_pair_device rp;
3048 struct hci_conn *conn = cmd->user_data;
3049
61b1a7fb
JH		 3050 bacpy(&rp.addr.bdaddr, &conn->dst);
3051 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3052
aee9b218 3053 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 3054 &rp, sizeof(rp));
e9a416b5
JH		 3055
3056 /* So we don't get further callbacks for this connection */
3057 conn->connect_cfm_cb = NULL;
3058 conn->security_cfm_cb = NULL;
3059 conn->disconn_cfm_cb = NULL;
3060
76a68ba0 3061 hci_conn_drop(conn);
f8aaf9b6 3062 hci_conn_put(conn);
e9a416b5 3063
a664b5bc 3064 mgmt_pending_remove(cmd);
e9a416b5
JH		 3065}
3066
f4a407be
JH		 3067void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3068{
3069 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3070 struct pending_cmd *cmd;
3071
3072 cmd = find_pairing(conn);
3073 if (cmd)
3074 pairing_complete(cmd, status);
3075}
3076
e9a416b5
JH		 3077static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3078{
3079 struct pending_cmd *cmd;
3080
3081 BT_DBG("status %u", status);
3082
3083 cmd = find_pairing(conn);
56e5cb86 3084 if (!cmd)
e9a416b5 3085 BT_DBG("Unable to find a pending command");
56e5cb86 3086 else
e211326c 3087 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH		 3088}
3089
f4a407be 3090static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739
VA		 3091{
3092 struct pending_cmd *cmd;
3093
3094 BT_DBG("status %u", status);
3095
3096 if (!status)
3097 return;
3098
3099 cmd = find_pairing(conn);
3100 if (!cmd)
3101 BT_DBG("Unable to find a pending command");
3102 else
3103 pairing_complete(cmd, mgmt_status(status));
3104}
3105
bdb6d971 3106static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3107 u16 len)
e9a416b5 3108{
650f726d 3109 struct mgmt_cp_pair_device *cp = data;
1425acb7 3110 struct mgmt_rp_pair_device rp;
e9a416b5
JH		 3111 struct pending_cmd *cmd;
3112 u8 sec_level, auth_type;
3113 struct hci_conn *conn;
e9a416b5
JH		 3114 int err;
3115
3116 BT_DBG("");
3117
f950a30e
SJ		 3118 memset(&rp, 0, sizeof(rp));
3119 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3120 rp.addr.type = cp->addr.type;
3121
4ee71b20
JH		 3122 if (!bdaddr_type_is_valid(cp->addr.type))
3123 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3124 MGMT_STATUS_INVALID_PARAMS,
3125 &rp, sizeof(rp));
3126
4ec86d4c
JH		 3127 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
3128 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3129 MGMT_STATUS_INVALID_PARAMS,
3130 &rp, sizeof(rp));
3131
09fd0de5 3132 hci_dev_lock(hdev);
e9a416b5 3133
5f97c1df 3134 if (!hdev_is_powered(hdev)) {
f950a30e
SJ		 3135 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3136 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH		 3137 goto unlock;
3138 }
3139
c908df36 3140 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3141 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3142
6f77d8c7 3143 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3144 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3145 auth_type);
6f77d8c7
AG		 3146 } else {
3147 u8 addr_type;
3148
3149 /* Convert from L2CAP channel address type to HCI address type
3150 */
3151 if (cp->addr.type == BDADDR_LE_PUBLIC)
3152 addr_type = ADDR_LE_DEV_PUBLIC;
3153 else
3154 addr_type = ADDR_LE_DEV_RANDOM;
3155
7c264b10
MH		 3156 /* When pairing a new device, it is expected to remember
3157 * this device for future connections. Adding the connection
3158 * parameter information ahead of time allows tracking
3159 * of the slave preferred values and will speed up any
3160 * further connection establishment.
3161 *
3162 * If connection parameters already exist, then they
3163 * will be kept and this function does nothing.
3164 */
3165 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3166
6f77d8c7 3167 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
e804d25d
JH		 3168 sec_level, HCI_LE_CONN_TIMEOUT,
3169 HCI_ROLE_MASTER);
6f77d8c7 3170 }
7a512d01 3171
30e76272 3172 if (IS_ERR(conn)) {
489dc48e
AK		 3173 int status;
3174
3175 if (PTR_ERR(conn) == -EBUSY)
3176 status = MGMT_STATUS_BUSY;
3177 else
3178 status = MGMT_STATUS_CONNECT_FAILED;
3179
bdb6d971 3180 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 3181 status, &rp,
04124681 3182 sizeof(rp));
e9a416b5
JH		 3183 goto unlock;
3184 }
3185
3186 if (conn->connect_cfm_cb) {
76a68ba0 3187 hci_conn_drop(conn);
bdb6d971 3188 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 3189 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3190 goto unlock;
3191 }
3192
2e58ef3e 3193 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3194 if (!cmd) {
3195 err = -ENOMEM;
76a68ba0 3196 hci_conn_drop(conn);
e9a416b5
JH		 3197 goto unlock;
3198 }
3199
7a512d01 3200 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3201 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3202 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3203 conn->security_cfm_cb = pairing_complete_cb;
3204 conn->disconn_cfm_cb = pairing_complete_cb;
3205 } else {
3206 conn->connect_cfm_cb = le_pairing_complete_cb;
3207 conn->security_cfm_cb = le_pairing_complete_cb;
3208 conn->disconn_cfm_cb = le_pairing_complete_cb;
3209 }
7a512d01 3210
e9a416b5 3211 conn->io_capability = cp->io_cap;
f8aaf9b6 3212 cmd->user_data = hci_conn_get(conn);
e9a416b5 3213
6f78fd4b 3214 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
e7cafc45 3215 hci_conn_security(conn, sec_level, auth_type, true))
e9a416b5
JH		 3216 pairing_complete(cmd, 0);
3217
3218 err = 0;
3219
3220unlock:
09fd0de5 3221 hci_dev_unlock(hdev);
e9a416b5
JH		 3222 return err;
3223}
3224
04124681
GP		 3225static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3226 u16 len)
28424707 3227{
0f4e68cf 3228 struct mgmt_addr_info *addr = data;
28424707
JH		 3229 struct pending_cmd *cmd;
3230 struct hci_conn *conn;
3231 int err;
3232
3233 BT_DBG("");
3234
28424707
JH		 3235 hci_dev_lock(hdev);
3236
5f97c1df 3237 if (!hdev_is_powered(hdev)) {
bdb6d971 3238 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3239 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3240 goto unlock;
3241 }
3242
28424707
JH		 3243 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3244 if (!cmd) {
bdb6d971 3245 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3246 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3247 goto unlock;
3248 }
3249
3250 conn = cmd->user_data;
3251
3252 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 3253 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3254 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3255 goto unlock;
3256 }
3257
3258 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
3259
bdb6d971 3260 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 3261 addr, sizeof(*addr));
28424707
JH		 3262unlock:
3263 hci_dev_unlock(hdev);
28424707
JH		 3264 return err;
3265}
3266
bdb6d971 3267static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3268 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3269 u16 hci_op, __le32 passkey)
a5c29683 3270{
a5c29683 3271 struct pending_cmd *cmd;
0df4c185 3272 struct hci_conn *conn;
a5c29683
JH		 3273 int err;
3274
09fd0de5 3275 hci_dev_lock(hdev);
08ba5382 3276
4b34ee78 3277 if (!hdev_is_powered(hdev)) {
feb94d3d
JH		 3278 err = cmd_complete(sk, hdev->id, mgmt_op,
3279 MGMT_STATUS_NOT_POWERED, addr,
3280 sizeof(*addr));
0df4c185 3281 goto done;
a5c29683
JH		 3282 }
3283
1707c60e
JH		 3284 if (addr->type == BDADDR_BREDR)
3285 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3286 else
1707c60e 3287 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3288
3289 if (!conn) {
feb94d3d
JH		 3290 err = cmd_complete(sk, hdev->id, mgmt_op,
3291 MGMT_STATUS_NOT_CONNECTED, addr,
3292 sizeof(*addr));
272d90df
JH		 3293 goto done;
3294 }
47c15e2b 3295
1707c60e 3296 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3297 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3298 if (!err)
feb94d3d
JH		 3299 err = cmd_complete(sk, hdev->id, mgmt_op,
3300 MGMT_STATUS_SUCCESS, addr,
3301 sizeof(*addr));
5fe57d9e 3302 else
feb94d3d
JH		 3303 err = cmd_complete(sk, hdev->id, mgmt_op,
3304 MGMT_STATUS_FAILED, addr,
3305 sizeof(*addr));
47c15e2b 3306
47c15e2b
BG		 3307 goto done;
3308 }
3309
1707c60e 3310 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3311 if (!cmd) {
3312 err = -ENOMEM;
0df4c185 3313 goto done;
a5c29683
JH		 3314 }
3315
0df4c185 3316 /* Continue with pairing via HCI */
604086b7
BG		 3317 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3318 struct hci_cp_user_passkey_reply cp;
3319
1707c60e 3320 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3321 cp.passkey = passkey;
3322 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3323 } else
1707c60e
JH		 3324 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3325 &addr->bdaddr);
604086b7 3326
a664b5bc
JH		 3327 if (err < 0)
3328 mgmt_pending_remove(cmd);
a5c29683 3329
0df4c185 3330done:
09fd0de5 3331 hci_dev_unlock(hdev);
a5c29683
JH		 3332 return err;
3333}
3334
afeb019d
JK		 3335static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3336 void *data, u16 len)
3337{
3338 struct mgmt_cp_pin_code_neg_reply *cp = data;
3339
3340 BT_DBG("");
3341
1707c60e 3342 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3343 MGMT_OP_PIN_CODE_NEG_REPLY,
3344 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3345}
3346
04124681
GP		 3347static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3348 u16 len)
0df4c185 3349{
650f726d 3350 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3351
3352 BT_DBG("");
3353
3354 if (len != sizeof(*cp))
bdb6d971 3355 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 3356 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3357
1707c60e 3358 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3359 MGMT_OP_USER_CONFIRM_REPLY,
3360 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3361}
3362
bdb6d971 3363static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3364 void *data, u16 len)
0df4c185 3365{
c9c2659f 3366 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3367
3368 BT_DBG("");
3369
1707c60e 3370 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3371 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3372 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3373}
3374
04124681
GP		 3375static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3376 u16 len)
604086b7 3377{
650f726d 3378 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3379
3380 BT_DBG("");
3381
1707c60e 3382 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3383 MGMT_OP_USER_PASSKEY_REPLY,
3384 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3385}
3386
bdb6d971 3387static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3388 void *data, u16 len)
604086b7 3389{
650f726d 3390 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3391
3392 BT_DBG("");
3393
1707c60e 3394 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3395 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3396 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3397}
3398
13928971 3399static void update_name(struct hci_request *req)
2b4bf397 3400{
13928971 3401 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3402 struct hci_cp_write_local_name cp;
3403
13928971 3404 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3405
890ea898 3406 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3407}
3408
13928971
JH		 3409static void set_name_complete(struct hci_dev *hdev, u8 status)
3410{
3411 struct mgmt_cp_set_local_name *cp;
3412 struct pending_cmd *cmd;
3413
3414 BT_DBG("status 0x%02x", status);
3415
3416 hci_dev_lock(hdev);
3417
3418 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3419 if (!cmd)
3420 goto unlock;
3421
3422 cp = cmd->param;
3423
3424 if (status)
3425 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3426 mgmt_status(status));
3427 else
3428 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3429 cp, sizeof(*cp));
3430
3431 mgmt_pending_remove(cmd);
3432
3433unlock:
3434 hci_dev_unlock(hdev);
3435}
3436
bdb6d971 3437static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3438 u16 len)
b312b161 3439{
2b4bf397 3440 struct mgmt_cp_set_local_name *cp = data;
b312b161 3441 struct pending_cmd *cmd;
890ea898 3442 struct hci_request req;
b312b161
JH		 3443 int err;
3444
3445 BT_DBG("");
3446
09fd0de5 3447 hci_dev_lock(hdev);
b312b161 3448
b3f2ca94
JH		 3449 /* If the old values are the same as the new ones just return a
3450 * direct command complete event.
3451 */
3452 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3453 !memcmp(hdev->short_name, cp->short_name,
3454 sizeof(hdev->short_name))) {
3455 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3456 data, len);
3457 goto failed;
3458 }
3459
2b4bf397 3460 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3461
b5235a65 3462 if (!hdev_is_powered(hdev)) {
2b4bf397 3463 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH		 3464
3465 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 3466 data, len);
28cc7bde
JH		 3467 if (err < 0)
3468 goto failed;
3469
3470 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 3471 sk);
28cc7bde 3472
b5235a65
JH		 3473 goto failed;
3474 }
3475
28cc7bde 3476 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3477 if (!cmd) {
3478 err = -ENOMEM;
3479 goto failed;
3480 }
3481
13928971
JH		 3482 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3483
890ea898 3484 hci_req_init(&req, hdev);
3f985050
JH		 3485
3486 if (lmp_bredr_capable(hdev)) {
3487 update_name(&req);
3488 update_eir(&req);
3489 }
3490
7a5f4990
MH		 3491 /* The name is stored in the scan response data and so
3492 * no need to udpate the advertising data here.
3493 */
3f985050 3494 if (lmp_le_capable(hdev))
7a5f4990 3495 update_scan_rsp_data(&req);
3f985050 3496
13928971 3497 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3498 if (err < 0)
3499 mgmt_pending_remove(cmd);
3500
3501failed:
09fd0de5 3502 hci_dev_unlock(hdev);
b312b161
JH		 3503 return err;
3504}
3505
0f4e68cf 3506static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3507 void *data, u16 data_len)
c35938b2 3508{
c35938b2
SJ		 3509 struct pending_cmd *cmd;
3510 int err;
3511
bdb6d971 3512 BT_DBG("%s", hdev->name);
c35938b2 3513
09fd0de5 3514 hci_dev_lock(hdev);
c35938b2 3515
4b34ee78 3516 if (!hdev_is_powered(hdev)) {
bdb6d971 3517 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3518 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3519 goto unlock;
3520 }
3521
9a1a1996 3522 if (!lmp_ssp_capable(hdev)) {
bdb6d971 3523 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3524 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3525 goto unlock;
3526 }
3527
2e58ef3e 3528 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 3529 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3530 MGMT_STATUS_BUSY);
c35938b2
SJ		 3531 goto unlock;
3532 }
3533
2e58ef3e 3534 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3535 if (!cmd) {
3536 err = -ENOMEM;
3537 goto unlock;
3538 }
3539
4d2d2796
MH		 3540 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
3541 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
3542 0, NULL);
3543 else
3544 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3545
c35938b2
SJ		 3546 if (err < 0)
3547 mgmt_pending_remove(cmd);
3548
3549unlock:
09fd0de5 3550 hci_dev_unlock(hdev);
c35938b2
SJ		 3551 return err;
3552}
3553
bdb6d971 3554static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3555 void *data, u16 len)
2763eda6 3556{
2763eda6
SJ		 3557 int err;
3558
bdb6d971 3559 BT_DBG("%s ", hdev->name);
2763eda6 3560
09fd0de5 3561 hci_dev_lock(hdev);
2763eda6 3562
ec109113
MH		 3563 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3564 struct mgmt_cp_add_remote_oob_data *cp = data;
3565 u8 status;
bf1e3541 3566
ec109113
MH		 3567 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
3568 cp->hash, cp->randomizer);
3569 if (err < 0)
3570 status = MGMT_STATUS_FAILED;
3571 else
3572 status = MGMT_STATUS_SUCCESS;
3573
3574 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3575 status, &cp->addr, sizeof(cp->addr));
3576 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3577 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
3578 u8 status;
3579
3580 err = hci_add_remote_oob_ext_data(hdev, &cp->addr.bdaddr,
3581 cp->hash192,
3582 cp->randomizer192,
3583 cp->hash256,
3584 cp->randomizer256);
3585 if (err < 0)
3586 status = MGMT_STATUS_FAILED;
3587 else
3588 status = MGMT_STATUS_SUCCESS;
3589
3590 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3591 status, &cp->addr, sizeof(cp->addr));
3592 } else {
3593 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3594 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3595 MGMT_STATUS_INVALID_PARAMS);
3596 }
2763eda6 3597
09fd0de5 3598 hci_dev_unlock(hdev);
2763eda6
SJ		 3599 return err;
3600}
3601
bdb6d971 3602static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3603 void *data, u16 len)
2763eda6 3604{
650f726d 3605 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3606 u8 status;
2763eda6
SJ		 3607 int err;
3608
bdb6d971 3609 BT_DBG("%s", hdev->name);
2763eda6 3610
09fd0de5 3611 hci_dev_lock(hdev);
2763eda6 3612
664ce4cc 3613 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2763eda6 3614 if (err < 0)
bf1e3541 3615 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3616 else
a6785be2 3617 status = MGMT_STATUS_SUCCESS;
bf1e3541 3618
bdb6d971 3619 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3620 status, &cp->addr, sizeof(cp->addr));
2763eda6 3621
09fd0de5 3622 hci_dev_unlock(hdev);
2763eda6
SJ		 3623 return err;
3624}
3625
41dc2bd6
AG		 3626static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3627{
3628 struct pending_cmd *cmd;
3629 u8 type;
3630 int err;
3631
3632 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3633
3634 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3635 if (!cmd)
3636 return -ENOENT;
3637
3638 type = hdev->discovery.type;
3639
3640 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3641 &type, sizeof(type));
3642 mgmt_pending_remove(cmd);
3643
3644 return err;
3645}
3646
7c307720
AG		 3647static void start_discovery_complete(struct hci_dev *hdev, u8 status)
3648{
ae55f598
LR		 3649 unsigned long timeout = 0;
3650
7c307720
AG		 3651 BT_DBG("status %d", status);
3652
3653 if (status) {
3654 hci_dev_lock(hdev);
3655 mgmt_start_discovery_failed(hdev, status);
3656 hci_dev_unlock(hdev);
3657 return;
3658 }
3659
3660 hci_dev_lock(hdev);
3661 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
3662 hci_dev_unlock(hdev);
3663
3664 switch (hdev->discovery.type) {
3665 case DISCOV_TYPE_LE:
3d5a76f0 3666 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720
AG		 3667 break;
3668
3669 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3670 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720
AG		 3671 break;
3672
3673 case DISCOV_TYPE_BREDR:
3674 break;
3675
3676 default:
3677 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
3678 }
ae55f598
LR		 3679
3680 if (!timeout)
3681 return;
3682
3683 queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout);
7c307720
AG		 3684}
3685
bdb6d971 3686static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3687 void *data, u16 len)
14a53664 3688{
650f726d 3689 struct mgmt_cp_start_discovery *cp = data;
14a53664 3690 struct pending_cmd *cmd;
7c307720
AG		 3691 struct hci_cp_le_set_scan_param param_cp;
3692 struct hci_cp_le_set_scan_enable enable_cp;
3693 struct hci_cp_inquiry inq_cp;
3694 struct hci_request req;
3695 /* General inquiry access code (GIAC) */
3696 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3697 u8 status, own_addr_type;
14a53664
JH		 3698 int err;
3699
bdb6d971 3700 BT_DBG("%s", hdev->name);
14a53664 3701
09fd0de5 3702 hci_dev_lock(hdev);
14a53664 3703
4b34ee78 3704 if (!hdev_is_powered(hdev)) {
bdb6d971 3705 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3706 MGMT_STATUS_NOT_POWERED);
bd2d1334
JH		 3707 goto failed;
3708 }
3709
642be6c7
AG		 3710 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
3711 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3712 MGMT_STATUS_BUSY);
3713 goto failed;
3714 }
3715
ff9ef578 3716 if (hdev->discovery.state != DISCOVERY_STOPPED) {
bdb6d971 3717 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3718 MGMT_STATUS_BUSY);
ff9ef578
JH		 3719 goto failed;
3720 }
3721
2e58ef3e 3722 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3723 if (!cmd) {
3724 err = -ENOMEM;
3725 goto failed;
3726 }
3727
4aab14e5
AG		 3728 hdev->discovery.type = cp->type;
3729
7c307720
AG		 3730 hci_req_init(&req, hdev);
3731
4aab14e5 3732 switch (hdev->discovery.type) {
f39799f5 3733 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3734 status = mgmt_bredr_support(hdev);
3735 if (status) {
04106755 3736 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3737 status);
04106755
JH		 3738 mgmt_pending_remove(cmd);
3739 goto failed;
3740 }
3741
7c307720
AG		 3742 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
3743 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3744 MGMT_STATUS_BUSY);
3745 mgmt_pending_remove(cmd);
3746 goto failed;
3747 }
3748
3749 hci_inquiry_cache_flush(hdev);
3750
3751 memset(&inq_cp, 0, sizeof(inq_cp));
3752 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3753 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3754 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3755 break;
3756
3757 case DISCOV_TYPE_LE:
7c307720 3758 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3759 status = mgmt_le_support(hdev);
3760 if (status) {
04106755 3761 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3762 status);
04106755
JH		 3763 mgmt_pending_remove(cmd);
3764 goto failed;
3765 }
3766
7c307720 3767 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3768 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
04106755
JH		 3769 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3770 MGMT_STATUS_NOT_SUPPORTED);
3771 mgmt_pending_remove(cmd);
3772 goto failed;
3773 }
3774
e8bb6b97
JH		 3775 if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
3776 /* Don't let discovery abort an outgoing
3777 * connection attempt that's using directed
3778 * advertising.
3779 */
3780 if (hci_conn_hash_lookup_state(hdev, LE_LINK,
3781 BT_CONNECT)) {
3782 err = cmd_status(sk, hdev->id,
3783 MGMT_OP_START_DISCOVERY,
3784 MGMT_STATUS_REJECTED);
3785 mgmt_pending_remove(cmd);
3786 goto failed;
3787 }
3788
3789 disable_advertising(&req);
7c307720
AG		 3790 }
3791
c54c3860
AG		 3792 /* If controller is scanning, it means the background scanning
3793 * is running. Thus, we should temporarily stop it in order to
3794 * set the discovery scanning parameters.
3795 */
3796 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3797 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3798
3799 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3800
94b1fc92
MH		 3801 /* All active scans will be done with either a resolvable
3802 * private address (when privacy feature has been enabled)
3803 * or unresolvable private address.
3804 */
3805 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943
JH		 3806 if (err < 0) {
3807 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3808 MGMT_STATUS_FAILED);
3809 mgmt_pending_remove(cmd);
3810 goto failed;
3811 }
3812
7c307720 3813 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3814 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3815 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3816 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3817 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3818 &param_cp);
3819
3820 memset(&enable_cp, 0, sizeof(enable_cp));
3821 enable_cp.enable = LE_SCAN_ENABLE;
3822 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3823 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3824 &enable_cp);
5e0452c0
AG		 3825 break;
3826
f39799f5 3827 default:
04106755
JH		 3828 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3829 MGMT_STATUS_INVALID_PARAMS);
3830 mgmt_pending_remove(cmd);
3831 goto failed;
f39799f5 3832 }
3fd24153 3833
7c307720 3834 err = hci_req_run(&req, start_discovery_complete);
14a53664
JH		 3835 if (err < 0)
3836 mgmt_pending_remove(cmd);
ff9ef578
JH		 3837 else
3838 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3839
3840failed:
09fd0de5 3841 hci_dev_unlock(hdev);
14a53664
JH		 3842 return err;
3843}
3844
1183fdca
AG		 3845static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3846{
3847 struct pending_cmd *cmd;
3848 int err;
3849
3850 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3851 if (!cmd)
3852 return -ENOENT;
3853
3854 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3855 &hdev->discovery.type, sizeof(hdev->discovery.type));
3856 mgmt_pending_remove(cmd);
3857
3858 return err;
3859}
3860
0e05bba6
AG		 3861static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
3862{
3863 BT_DBG("status %d", status);
3864
3865 hci_dev_lock(hdev);
3866
3867 if (status) {
3868 mgmt_stop_discovery_failed(hdev, status);
3869 goto unlock;
3870 }
3871
3872 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3873
3874unlock:
3875 hci_dev_unlock(hdev);
3876}
3877
bdb6d971 3878static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3879 u16 len)
14a53664 3880{
d930650b 3881 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3882 struct pending_cmd *cmd;
0e05bba6 3883 struct hci_request req;
14a53664
JH		 3884 int err;
3885
bdb6d971 3886 BT_DBG("%s", hdev->name);
14a53664 3887
09fd0de5 3888 hci_dev_lock(hdev);
14a53664 3889
30dc78e1 3890 if (!hci_discovery_active(hdev)) {
bdb6d971 3891 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3892 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3893 sizeof(mgmt_cp->type));
d930650b
JH		 3894 goto unlock;
3895 }
3896
3897 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3898 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3899 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3900 sizeof(mgmt_cp->type));
30dc78e1 3901 goto unlock;
ff9ef578
JH		 3902 }
3903
2e58ef3e 3904 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3905 if (!cmd) {
3906 err = -ENOMEM;
30dc78e1
JH		 3907 goto unlock;
3908 }
3909
0e05bba6
AG		 3910 hci_req_init(&req, hdev);
3911
21a60d30 3912 hci_stop_discovery(&req);
e0d9727e 3913
21a60d30
JH		 3914 err = hci_req_run(&req, stop_discovery_complete);
3915 if (!err) {
3916 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3917 goto unlock;
14a53664
JH		 3918 }
3919
21a60d30
JH		 3920 mgmt_pending_remove(cmd);
3921
3922 /* If no HCI commands were sent we're done */
3923 if (err == -ENODATA) {
3924 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3925 &mgmt_cp->type, sizeof(mgmt_cp->type));
3926 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3927 }
14a53664 3928
30dc78e1 3929unlock:
09fd0de5 3930 hci_dev_unlock(hdev);
14a53664
JH		 3931 return err;
3932}
3933
bdb6d971 3934static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3935 u16 len)
561aafbc 3936{
650f726d 3937 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3938 struct inquiry_entry *e;
561aafbc
JH		 3939 int err;
3940
bdb6d971 3941 BT_DBG("%s", hdev->name);
561aafbc 3942
561aafbc
JH		 3943 hci_dev_lock(hdev);
3944
30dc78e1 3945 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 3946 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3947 MGMT_STATUS_FAILED, &cp->addr,
3948 sizeof(cp->addr));
30dc78e1
JH		 3949 goto failed;
3950 }
3951
a198e7b1 3952 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 3953 if (!e) {
d3a2541d
LR		 3954 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3955 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3956 sizeof(cp->addr));
561aafbc
JH		 3957 goto failed;
3958 }
3959
3960 if (cp->name_known) {
3961 e->name_state = NAME_KNOWN;
3962 list_del(&e->list);
3963 } else {
3964 e->name_state = NAME_NEEDED;
a3d4e20a 3965 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 3966 }
3967
e384662b
JH		 3968 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
3969 sizeof(cp->addr));
561aafbc
JH		 3970
3971failed:
3972 hci_dev_unlock(hdev);
561aafbc
JH		 3973 return err;
3974}
3975
bdb6d971 3976static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3977 u16 len)
7fbec224 3978{
650f726d 3979 struct mgmt_cp_block_device *cp = data;
f0eeea8b 3980 u8 status;
7fbec224
AJ		 3981 int err;
3982
bdb6d971 3983 BT_DBG("%s", hdev->name);
7fbec224 3984
4ee71b20 3985 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 3986 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
3987 MGMT_STATUS_INVALID_PARAMS,
3988 &cp->addr, sizeof(cp->addr));
4ee71b20 3989
09fd0de5 3990 hci_dev_lock(hdev);
5e762444 3991
dcc36c16
JH		 3992 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
3993 cp->addr.type);
2a8357f2 3994 if (err < 0) {
f0eeea8b 3995 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 3996 goto done;
3997 }
3998
3999 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4000 sk);
4001 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4002
2a8357f2 4003done:
bdb6d971 4004 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 4005 &cp->addr, sizeof(cp->addr));
5e762444 4006
09fd0de5 4007 hci_dev_unlock(hdev);
7fbec224
AJ		 4008
4009 return err;
4010}
4011
bdb6d971 4012static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4013 u16 len)
7fbec224 4014{
650f726d 4015 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4016 u8 status;
7fbec224
AJ		 4017 int err;
4018
bdb6d971 4019 BT_DBG("%s", hdev->name);
7fbec224 4020
4ee71b20 4021 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4022 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4023 MGMT_STATUS_INVALID_PARAMS,
4024 &cp->addr, sizeof(cp->addr));
4ee71b20 4025
09fd0de5 4026 hci_dev_lock(hdev);
5e762444 4027
dcc36c16
JH		 4028 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4029 cp->addr.type);
2a8357f2 4030 if (err < 0) {
f0eeea8b 4031 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4032 goto done;
4033 }
4034
4035 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4036 sk);
4037 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4038
2a8357f2 4039done:
bdb6d971 4040 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 4041 &cp->addr, sizeof(cp->addr));
5e762444 4042
09fd0de5 4043 hci_dev_unlock(hdev);
7fbec224
AJ		 4044
4045 return err;
4046}
4047
cdbaccca
MH		 4048static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4049 u16 len)
4050{
4051 struct mgmt_cp_set_device_id *cp = data;
890ea898 4052 struct hci_request req;
cdbaccca 4053 int err;
c72d4b8a 4054 __u16 source;
cdbaccca
MH		 4055
4056 BT_DBG("%s", hdev->name);
4057
c72d4b8a
SJ		 4058 source = __le16_to_cpu(cp->source);
4059
4060 if (source > 0x0002)
4061 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4062 MGMT_STATUS_INVALID_PARAMS);
4063
cdbaccca
MH		 4064 hci_dev_lock(hdev);
4065
c72d4b8a 4066 hdev->devid_source = source;
cdbaccca
MH		 4067 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4068 hdev->devid_product = __le16_to_cpu(cp->product);
4069 hdev->devid_version = __le16_to_cpu(cp->version);
4070
4071 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
4072
890ea898
JH		 4073 hci_req_init(&req, hdev);
4074 update_eir(&req);
4075 hci_req_run(&req, NULL);
cdbaccca
MH		 4076
4077 hci_dev_unlock(hdev);
4078
4079 return err;
4080}
4081
4375f103
JH		 4082static void set_advertising_complete(struct hci_dev *hdev, u8 status)
4083{
4084 struct cmd_lookup match = { NULL, hdev };
4085
4086 if (status) {
4087 u8 mgmt_err = mgmt_status(status);
4088
4089 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4090 cmd_status_rsp, &mgmt_err);
4091 return;
4092 }
4093
c93bd150
JH		 4094 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
4095 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
4096 else
4097 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
4098
4375f103
JH		 4099 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4100 &match);
4101
4102 new_settings(hdev, match.sk);
4103
4104 if (match.sk)
4105 sock_put(match.sk);
4106}
4107
21b5187f
MH		 4108static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4109 u16 len)
4375f103
JH		 4110{
4111 struct mgmt_mode *cp = data;
4112 struct pending_cmd *cmd;
4113 struct hci_request req;
e6fe7986 4114 u8 val, enabled, status;
4375f103
JH		 4115 int err;
4116
4117 BT_DBG("request for %s", hdev->name);
4118
e6fe7986
JH		 4119 status = mgmt_le_support(hdev);
4120 if (status)
4375f103 4121 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 4122 status);
4375f103
JH		 4123
4124 if (cp->val != 0x00 && cp->val != 0x01)
4125 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4126 MGMT_STATUS_INVALID_PARAMS);
4127
4128 hci_dev_lock(hdev);
4129
4130 val = !!cp->val;
f3d3444a 4131 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 4132
f74ca9b8
JH		 4133 /* The following conditions are ones which mean that we should
4134 * not do any HCI communication but directly send a mgmt
4135 * response to user space (after toggling the flag if
4136 * necessary).
4137 */
4138 if (!hdev_is_powered(hdev) || val == enabled ||
e8bb6b97
JH		 4139 hci_conn_num(hdev, LE_LINK) > 0 ||
4140 (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4141 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4375f103
JH		 4142 bool changed = false;
4143
f3d3444a
JH		 4144 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
4145 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 4146 changed = true;
4147 }
4148
4149 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4150 if (err < 0)
4151 goto unlock;
4152
4153 if (changed)
4154 err = new_settings(hdev, sk);
4155
4156 goto unlock;
4157 }
4158
4159 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4160 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
4161 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4162 MGMT_STATUS_BUSY);
4163 goto unlock;
4164 }
4165
4166 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4167 if (!cmd) {
4168 err = -ENOMEM;
4169 goto unlock;
4170 }
4171
4172 hci_req_init(&req, hdev);
4173
bba3aa55
MH		 4174 if (val)
4175 enable_advertising(&req);
4176 else
4177 disable_advertising(&req);
4375f103
JH		 4178
4179 err = hci_req_run(&req, set_advertising_complete);
4180 if (err < 0)
4181 mgmt_pending_remove(cmd);
4182
4183unlock:
4184 hci_dev_unlock(hdev);
4185 return err;
4186}
4187
d13eafce
MH		 4188static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4189 void *data, u16 len)
4190{
4191 struct mgmt_cp_set_static_address *cp = data;
4192 int err;
4193
4194 BT_DBG("%s", hdev->name);
4195
62af4443 4196 if (!lmp_le_capable(hdev))
d13eafce 4197 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 4198 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4199
4200 if (hdev_is_powered(hdev))
4201 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4202 MGMT_STATUS_REJECTED);
4203
4204 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4205 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4206 return cmd_status(sk, hdev->id,
4207 MGMT_OP_SET_STATIC_ADDRESS,
4208 MGMT_STATUS_INVALID_PARAMS);
4209
4210 /* Two most significant bits shall be set */
4211 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4212 return cmd_status(sk, hdev->id,
4213 MGMT_OP_SET_STATIC_ADDRESS,
4214 MGMT_STATUS_INVALID_PARAMS);
4215 }
4216
4217 hci_dev_lock(hdev);
4218
4219 bacpy(&hdev->static_addr, &cp->bdaddr);
4220
4221 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
4222
4223 hci_dev_unlock(hdev);
4224
4225 return err;
4226}
4227
14b49b9a
MH		 4228static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4229 void *data, u16 len)
4230{
4231 struct mgmt_cp_set_scan_params *cp = data;
4232 __u16 interval, window;
4233 int err;
4234
4235 BT_DBG("%s", hdev->name);
4236
4237 if (!lmp_le_capable(hdev))
4238 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4239 MGMT_STATUS_NOT_SUPPORTED);
4240
4241 interval = __le16_to_cpu(cp->interval);
4242
4243 if (interval < 0x0004 || interval > 0x4000)
4244 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4245 MGMT_STATUS_INVALID_PARAMS);
4246
4247 window = __le16_to_cpu(cp->window);
4248
4249 if (window < 0x0004 || window > 0x4000)
4250 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4251 MGMT_STATUS_INVALID_PARAMS);
4252
899e1075
MH		 4253 if (window > interval)
4254 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4255 MGMT_STATUS_INVALID_PARAMS);
4256
14b49b9a
MH		 4257 hci_dev_lock(hdev);
4258
4259 hdev->le_scan_interval = interval;
4260 hdev->le_scan_window = window;
4261
4262 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4263
dd2ef8e2
AG		 4264 /* If background scan is running, restart it so new parameters are
4265 * loaded.
4266 */
4267 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4268 hdev->discovery.state == DISCOVERY_STOPPED) {
4269 struct hci_request req;
4270
4271 hci_req_init(&req, hdev);
4272
4273 hci_req_add_le_scan_disable(&req);
4274 hci_req_add_le_passive_scan(&req);
4275
4276 hci_req_run(&req, NULL);
4277 }
4278
14b49b9a
MH		 4279 hci_dev_unlock(hdev);
4280
4281 return err;
4282}
4283
33e38b3e
JH		 4284static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4285{
4286 struct pending_cmd *cmd;
4287
4288 BT_DBG("status 0x%02x", status);
4289
4290 hci_dev_lock(hdev);
4291
4292 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4293 if (!cmd)
4294 goto unlock;
4295
4296 if (status) {
4297 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4298 mgmt_status(status));
4299 } else {
1a4d3c4b
JH		 4300 struct mgmt_mode *cp = cmd->param;
4301
4302 if (cp->val)
4303 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4304 else
4305 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4306
33e38b3e
JH		 4307 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4308 new_settings(hdev, cmd->sk);
4309 }
4310
4311 mgmt_pending_remove(cmd);
4312
4313unlock:
4314 hci_dev_unlock(hdev);
4315}
4316
bdb6d971 4317static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4318 void *data, u16 len)
f6422ec6 4319{
650f726d 4320 struct mgmt_mode *cp = data;
33e38b3e
JH		 4321 struct pending_cmd *cmd;
4322 struct hci_request req;
f6422ec6
AJ		 4323 int err;
4324
bdb6d971 4325 BT_DBG("%s", hdev->name);
f6422ec6 4326
56f87901
JH		 4327 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4328 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4329 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4330 MGMT_STATUS_NOT_SUPPORTED);
4331
a7e80f25
JH		 4332 if (cp->val != 0x00 && cp->val != 0x01)
4333 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4334 MGMT_STATUS_INVALID_PARAMS);
4335
5400c044 4336 if (!hdev_is_powered(hdev))
bdb6d971 4337 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4338 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4339
4340 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4341 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4342 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4343
4344 hci_dev_lock(hdev);
4345
05cbf29f
JH		 4346 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4347 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4348 MGMT_STATUS_BUSY);
4349 goto unlock;
4350 }
4351
1a4d3c4b
JH		 4352 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4353 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4354 hdev);
4355 goto unlock;
4356 }
4357
33e38b3e
JH		 4358 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4359 data, len);
4360 if (!cmd) {
4361 err = -ENOMEM;
4362 goto unlock;
f6422ec6
AJ		 4363 }
4364
33e38b3e
JH		 4365 hci_req_init(&req, hdev);
4366
406d7804 4367 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4368
4369 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4370 if (err < 0) {
bdb6d971 4371 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4372 MGMT_STATUS_FAILED);
33e38b3e 4373 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4374 }
4375
33e38b3e 4376unlock:
f6422ec6 4377 hci_dev_unlock(hdev);
33e38b3e 4378
f6422ec6
AJ		 4379 return err;
4380}
4381
0663ca2a
JH		 4382static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4383{
4384 struct pending_cmd *cmd;
4385
4386 BT_DBG("status 0x%02x", status);
4387
4388 hci_dev_lock(hdev);
4389
4390 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4391 if (!cmd)
4392 goto unlock;
4393
4394 if (status) {
4395 u8 mgmt_err = mgmt_status(status);
4396
4397 /* We need to restore the flag if related HCI commands
4398 * failed.
4399 */
4400 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4401
4402 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4403 } else {
4404 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4405 new_settings(hdev, cmd->sk);
4406 }
4407
4408 mgmt_pending_remove(cmd);
4409
4410unlock:
4411 hci_dev_unlock(hdev);
4412}
4413
4414static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4415{
4416 struct mgmt_mode *cp = data;
4417 struct pending_cmd *cmd;
4418 struct hci_request req;
4419 int err;
4420
4421 BT_DBG("request for %s", hdev->name);
4422
4423 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4424 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4425 MGMT_STATUS_NOT_SUPPORTED);
4426
4427 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4428 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4429 MGMT_STATUS_REJECTED);
4430
4431 if (cp->val != 0x00 && cp->val != 0x01)
4432 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4433 MGMT_STATUS_INVALID_PARAMS);
4434
4435 hci_dev_lock(hdev);
4436
4437 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4438 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4439 goto unlock;
4440 }
4441
4442 if (!hdev_is_powered(hdev)) {
4443 if (!cp->val) {
0663ca2a
JH		 4444 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4445 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4446 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4447 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4448 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4449 }
4450
4451 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4452
4453 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4454 if (err < 0)
4455 goto unlock;
4456
4457 err = new_settings(hdev, sk);
4458 goto unlock;
4459 }
4460
4461 /* Reject disabling when powered on */
4462 if (!cp->val) {
4463 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4464 MGMT_STATUS_REJECTED);
4465 goto unlock;
4466 }
4467
4468 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4469 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4470 MGMT_STATUS_BUSY);
4471 goto unlock;
4472 }
4473
4474 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4475 if (!cmd) {
4476 err = -ENOMEM;
4477 goto unlock;
4478 }
4479
5947f4bc 4480 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4481 * generates the correct flags.
4482 */
4483 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4484
4485 hci_req_init(&req, hdev);
aa8af46e 4486
432df05e
JH		 4487 write_fast_connectable(&req, false);
4488 hci_update_page_scan(hdev, &req);
aa8af46e 4489
f14d8f64
MH		 4490 /* Since only the advertising data flags will change, there
4491 * is no need to update the scan response data.
4492 */
5947f4bc 4493 update_adv_data(&req);
aa8af46e 4494
0663ca2a
JH		 4495 err = hci_req_run(&req, set_bredr_complete);
4496 if (err < 0)
4497 mgmt_pending_remove(cmd);
4498
4499unlock:
4500 hci_dev_unlock(hdev);
4501 return err;
4502}
4503
eac83dc6
MH		 4504static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4505 void *data, u16 len)
4506{
4507 struct mgmt_mode *cp = data;
4508 struct pending_cmd *cmd;
0ab04a9c 4509 u8 val, status;
eac83dc6
MH		 4510 int err;
4511
4512 BT_DBG("request for %s", hdev->name);
4513
4514 status = mgmt_bredr_support(hdev);
4515 if (status)
4516 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4517 status);
4518
5afeac14 4519 if (!lmp_sc_capable(hdev) &&
111902f7 4520 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4521 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4522 MGMT_STATUS_NOT_SUPPORTED);
4523
0ab04a9c 4524 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4525 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4526 MGMT_STATUS_INVALID_PARAMS);
4527
4528 hci_dev_lock(hdev);
4529
4530 if (!hdev_is_powered(hdev)) {
4531 bool changed;
4532
0ab04a9c 4533 if (cp->val) {
eac83dc6
MH		 4534 changed = !test_and_set_bit(HCI_SC_ENABLED,
4535 &hdev->dev_flags);
0ab04a9c
MH		 4536 if (cp->val == 0x02)
4537 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4538 else
4539 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4540 } else {
eac83dc6
MH		 4541 changed = test_and_clear_bit(HCI_SC_ENABLED,
4542 &hdev->dev_flags);
0ab04a9c
MH		 4543 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4544 }
eac83dc6
MH		 4545
4546 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4547 if (err < 0)
4548 goto failed;
4549
4550 if (changed)
4551 err = new_settings(hdev, sk);
4552
4553 goto failed;
4554 }
4555
4556 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4557 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4558 MGMT_STATUS_BUSY);
4559 goto failed;
4560 }
4561
0ab04a9c
MH		 4562 val = !!cp->val;
4563
4564 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4565 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4566 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4567 goto failed;
4568 }
4569
4570 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4571 if (!cmd) {
4572 err = -ENOMEM;
4573 goto failed;
4574 }
4575
0ab04a9c 4576 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4577 if (err < 0) {
4578 mgmt_pending_remove(cmd);
4579 goto failed;
4580 }
4581
0ab04a9c
MH		 4582 if (cp->val == 0x02)
4583 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4584 else
4585 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4586
eac83dc6
MH		 4587failed:
4588 hci_dev_unlock(hdev);
4589 return err;
4590}
4591
4e39ac81
MH		 4592static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4593 void *data, u16 len)
4594{
4595 struct mgmt_mode *cp = data;
b9710979 4596 bool changed, use_changed;
4e39ac81
MH		 4597 int err;
4598
4599 BT_DBG("request for %s", hdev->name);
4600
b9710979 4601 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4602 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4603 MGMT_STATUS_INVALID_PARAMS);
4604
4605 hci_dev_lock(hdev);
4606
4607 if (cp->val)
0663b297
JH		 4608 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4609 &hdev->dev_flags);
4e39ac81 4610 else
0663b297
JH		 4611 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4612 &hdev->dev_flags);
4e39ac81 4613
b9710979
JH		 4614 if (cp->val == 0x02)
4615 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4616 &hdev->dev_flags);
4617 else
4618 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4619 &hdev->dev_flags);
4620
4621 if (hdev_is_powered(hdev) && use_changed &&
4622 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4623 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4624 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4625 sizeof(mode), &mode);
4626 }
4627
4e39ac81
MH		 4628 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4629 if (err < 0)
4630 goto unlock;
4631
4632 if (changed)
4633 err = new_settings(hdev, sk);
4634
4635unlock:
4636 hci_dev_unlock(hdev);
4637 return err;
4638}
4639
62b04cd1
JH		 4640static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4641 u16 len)
4642{
4643 struct mgmt_cp_set_privacy *cp = cp_data;
4644 bool changed;
4645 int err;
4646
4647 BT_DBG("request for %s", hdev->name);
4648
4649 if (!lmp_le_capable(hdev))
4650 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4651 MGMT_STATUS_NOT_SUPPORTED);
4652
4653 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4654 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4655 MGMT_STATUS_INVALID_PARAMS);
4656
4657 if (hdev_is_powered(hdev))
4658 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4659 MGMT_STATUS_REJECTED);
4660
4661 hci_dev_lock(hdev);
4662
c21c0ea0
JH		 4663 /* If user space supports this command it is also expected to
4664 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4665 */
4666 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4667
62b04cd1
JH		 4668 if (cp->privacy) {
4669 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4670 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4671 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4672 } else {
4673 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4674 memset(hdev->irk, 0, sizeof(hdev->irk));
4675 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4676 }
4677
4678 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, 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
41edf160
JH		 4690static bool irk_is_valid(struct mgmt_irk_info *irk)
4691{
4692 switch (irk->addr.type) {
4693 case BDADDR_LE_PUBLIC:
4694 return true;
4695
4696 case BDADDR_LE_RANDOM:
4697 /* Two most significant bits shall be set */
4698 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4699 return false;
4700 return true;
4701 }
4702
4703 return false;
4704}
4705
4706static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4707 u16 len)
4708{
4709 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4710 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4711 sizeof(struct mgmt_irk_info));
41edf160
JH		 4712 u16 irk_count, expected_len;
4713 int i, err;
4714
4715 BT_DBG("request for %s", hdev->name);
4716
4717 if (!lmp_le_capable(hdev))
4718 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4719 MGMT_STATUS_NOT_SUPPORTED);
4720
4721 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4722 if (irk_count > max_irk_count) {
4723 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4724 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4725 MGMT_STATUS_INVALID_PARAMS);
4726 }
41edf160
JH		 4727
4728 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4729 if (expected_len != len) {
4730 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4731 expected_len, len);
41edf160
JH		 4732 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4733 MGMT_STATUS_INVALID_PARAMS);
4734 }
4735
4736 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4737
4738 for (i = 0; i < irk_count; i++) {
4739 struct mgmt_irk_info *key = &cp->irks[i];
4740
4741 if (!irk_is_valid(key))
4742 return cmd_status(sk, hdev->id,
4743 MGMT_OP_LOAD_IRKS,
4744 MGMT_STATUS_INVALID_PARAMS);
4745 }
4746
4747 hci_dev_lock(hdev);
4748
4749 hci_smp_irks_clear(hdev);
4750
4751 for (i = 0; i < irk_count; i++) {
4752 struct mgmt_irk_info *irk = &cp->irks[i];
4753 u8 addr_type;
4754
4755 if (irk->addr.type == BDADDR_LE_PUBLIC)
4756 addr_type = ADDR_LE_DEV_PUBLIC;
4757 else
4758 addr_type = ADDR_LE_DEV_RANDOM;
4759
4760 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4761 BDADDR_ANY);
4762 }
4763
4764 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4765
4766 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4767
4768 hci_dev_unlock(hdev);
4769
4770 return err;
4771}
4772
3f706b72
JH		 4773static bool ltk_is_valid(struct mgmt_ltk_info *key)
4774{
4775 if (key->master != 0x00 && key->master != 0x01)
4776 return false;
490cb0b3
MH		 4777
4778 switch (key->addr.type) {
4779 case BDADDR_LE_PUBLIC:
4780 return true;
4781
4782 case BDADDR_LE_RANDOM:
4783 /* Two most significant bits shall be set */
4784 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4785 return false;
4786 return true;
4787 }
4788
4789 return false;
3f706b72
JH		 4790}
4791
bdb6d971 4792static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4793 void *cp_data, u16 len)
346af67b 4794{
346af67b 4795 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4796 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4797 sizeof(struct mgmt_ltk_info));
346af67b 4798 u16 key_count, expected_len;
715a5bf2 4799 int i, err;
346af67b 4800
cf99ba13
MH		 4801 BT_DBG("request for %s", hdev->name);
4802
4803 if (!lmp_le_capable(hdev))
4804 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4805 MGMT_STATUS_NOT_SUPPORTED);
4806
1f350c87 4807 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4808 if (key_count > max_key_count) {
4809 BT_ERR("load_ltks: too big key_count value %u", key_count);
4810 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4811 MGMT_STATUS_INVALID_PARAMS);
4812 }
346af67b
VCG		 4813
4814 expected_len = sizeof(*cp) + key_count *
4815 sizeof(struct mgmt_ltk_info);
4816 if (expected_len != len) {
4817 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4818 expected_len, len);
bdb6d971 4819 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4820 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4821 }
4822
bdb6d971 4823 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4824
54ad6d8a
JH		 4825 for (i = 0; i < key_count; i++) {
4826 struct mgmt_ltk_info *key = &cp->keys[i];
4827
3f706b72 4828 if (!ltk_is_valid(key))
54ad6d8a
JH		 4829 return cmd_status(sk, hdev->id,
4830 MGMT_OP_LOAD_LONG_TERM_KEYS,
4831 MGMT_STATUS_INVALID_PARAMS);
4832 }
4833
346af67b
VCG		 4834 hci_dev_lock(hdev);
4835
4836 hci_smp_ltks_clear(hdev);
4837
4838 for (i = 0; i < key_count; i++) {
4839 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4840 u8 type, addr_type, authenticated;
79d95a19
MH		 4841
4842 if (key->addr.type == BDADDR_LE_PUBLIC)
4843 addr_type = ADDR_LE_DEV_PUBLIC;
4844 else
4845 addr_type = ADDR_LE_DEV_RANDOM;
346af67b
VCG		 4846
4847 if (key->master)
2ceba539 4848 type = SMP_LTK;
346af67b 4849 else
2ceba539 4850 type = SMP_LTK_SLAVE;
346af67b 4851
61b43357
JH		 4852 switch (key->type) {
4853 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4854 authenticated = 0x00;
61b43357
JH		 4855 break;
4856 case MGMT_LTK_AUTHENTICATED:
d7b25450 4857 authenticated = 0x01;
61b43357
JH		 4858 break;
4859 default:
4860 continue;
4861 }
d7b25450 4862
35d70271 4863 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4864 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4865 key->rand);
346af67b
VCG		 4866 }
4867
715a5bf2
JH		 4868 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4869 NULL, 0);
4870
346af67b 4871 hci_dev_unlock(hdev);
346af67b 4872
715a5bf2 4873 return err;
346af67b
VCG		 4874}
4875
dd983808
AK		 4876struct cmd_conn_lookup {
4877 struct hci_conn *conn;
4878 bool valid_tx_power;
4879 u8 mgmt_status;
4880};
4881
4882static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4883{
4884 struct cmd_conn_lookup *match = data;
4885 struct mgmt_cp_get_conn_info *cp;
4886 struct mgmt_rp_get_conn_info rp;
4887 struct hci_conn *conn = cmd->user_data;
4888
4889 if (conn != match->conn)
4890 return;
4891
4892 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4893
4894 memset(&rp, 0, sizeof(rp));
4895 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4896 rp.addr.type = cp->addr.type;
4897
4898 if (!match->mgmt_status) {
4899 rp.rssi = conn->rssi;
4900
eed5daf3 4901 if (match->valid_tx_power) {
dd983808 4902 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4903 rp.max_tx_power = conn->max_tx_power;
4904 } else {
dd983808 4905 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4906 rp.max_tx_power = HCI_TX_POWER_INVALID;
4907 }
dd983808
AK		 4908 }
4909
4910 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4911 match->mgmt_status, &rp, sizeof(rp));
4912
4913 hci_conn_drop(conn);
f8aaf9b6 4914 hci_conn_put(conn);
dd983808
AK		 4915
4916 mgmt_pending_remove(cmd);
4917}
4918
4919static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4920{
4921 struct hci_cp_read_rssi *cp;
4922 struct hci_conn *conn;
4923 struct cmd_conn_lookup match;
4924 u16 handle;
4925
4926 BT_DBG("status 0x%02x", status);
4927
4928 hci_dev_lock(hdev);
4929
4930 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 4931 * otherwise we assume it's not valid. At the moment we assume that
4932 * either both or none of current and max values are valid to keep code
4933 * simple.
dd983808
AK		 4934 */
4935 match.valid_tx_power = !status;
4936
4937 /* Commands sent in request are either Read RSSI or Read Transmit Power
4938 * Level so we check which one was last sent to retrieve connection
4939 * handle. Both commands have handle as first parameter so it's safe to
4940 * cast data on the same command struct.
4941 *
4942 * First command sent is always Read RSSI and we fail only if it fails.
4943 * In other case we simply override error to indicate success as we
4944 * already remembered if TX power value is actually valid.
4945 */
4946 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4947 if (!cp) {
4948 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
4949 status = 0;
4950 }
4951
4952 if (!cp) {
4953 BT_ERR("invalid sent_cmd in response");
4954 goto unlock;
4955 }
4956
4957 handle = __le16_to_cpu(cp->handle);
4958 conn = hci_conn_hash_lookup_handle(hdev, handle);
4959 if (!conn) {
4960 BT_ERR("unknown handle (%d) in response", handle);
4961 goto unlock;
4962 }
4963
4964 match.conn = conn;
4965 match.mgmt_status = mgmt_status(status);
4966
4967 /* Cache refresh is complete, now reply for mgmt request for given
4968 * connection only.
4969 */
4970 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
4971 get_conn_info_complete, &match);
4972
4973unlock:
4974 hci_dev_unlock(hdev);
4975}
4976
4977static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
4978 u16 len)
4979{
4980 struct mgmt_cp_get_conn_info *cp = data;
4981 struct mgmt_rp_get_conn_info rp;
4982 struct hci_conn *conn;
4983 unsigned long conn_info_age;
4984 int err = 0;
4985
4986 BT_DBG("%s", hdev->name);
4987
4988 memset(&rp, 0, sizeof(rp));
4989 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4990 rp.addr.type = cp->addr.type;
4991
4992 if (!bdaddr_type_is_valid(cp->addr.type))
4993 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4994 MGMT_STATUS_INVALID_PARAMS,
4995 &rp, sizeof(rp));
4996
4997 hci_dev_lock(hdev);
4998
4999 if (!hdev_is_powered(hdev)) {
5000 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5001 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5002 goto unlock;
5003 }
5004
5005 if (cp->addr.type == BDADDR_BREDR)
5006 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5007 &cp->addr.bdaddr);
5008 else
5009 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5010
5011 if (!conn || conn->state != BT_CONNECTED) {
5012 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5013 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
5014 goto unlock;
5015 }
5016
5017 /* To avoid client trying to guess when to poll again for information we
5018 * calculate conn info age as random value between min/max set in hdev.
5019 */
5020 conn_info_age = hdev->conn_info_min_age +
5021 prandom_u32_max(hdev->conn_info_max_age -
5022 hdev->conn_info_min_age);
5023
5024 /* Query controller to refresh cached values if they are too old or were
5025 * never read.
5026 */
f4e2dd53
AK		 5027 if (time_after(jiffies, conn->conn_info_timestamp +
5028 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5029 !conn->conn_info_timestamp) {
5030 struct hci_request req;
5031 struct hci_cp_read_tx_power req_txp_cp;
5032 struct hci_cp_read_rssi req_rssi_cp;
5033 struct pending_cmd *cmd;
5034
5035 hci_req_init(&req, hdev);
5036 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5037 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5038 &req_rssi_cp);
5039
f7faab0c
AK		 5040 /* For LE links TX power does not change thus we don't need to
5041 * query for it once value is known.
5042 */
5043 if (!bdaddr_type_is_le(cp->addr.type) ||
5044 conn->tx_power == HCI_TX_POWER_INVALID) {
5045 req_txp_cp.handle = cpu_to_le16(conn->handle);
5046 req_txp_cp.type = 0x00;
5047 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5048 sizeof(req_txp_cp), &req_txp_cp);
5049 }
dd983808 5050
eed5daf3
AK		 5051 /* Max TX power needs to be read only once per connection */
5052 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5053 req_txp_cp.handle = cpu_to_le16(conn->handle);
5054 req_txp_cp.type = 0x01;
5055 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5056 sizeof(req_txp_cp), &req_txp_cp);
5057 }
5058
dd983808
AK		 5059 err = hci_req_run(&req, conn_info_refresh_complete);
5060 if (err < 0)
5061 goto unlock;
5062
5063 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5064 data, len);
5065 if (!cmd) {
5066 err = -ENOMEM;
5067 goto unlock;
5068 }
5069
5070 hci_conn_hold(conn);
f8aaf9b6 5071 cmd->user_data = hci_conn_get(conn);
dd983808
AK		 5072
5073 conn->conn_info_timestamp = jiffies;
5074 } else {
5075 /* Cache is valid, just reply with values cached in hci_conn */
5076 rp.rssi = conn->rssi;
5077 rp.tx_power = conn->tx_power;
eed5daf3 5078 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 5079
5080 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5081 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5082 }
5083
5084unlock:
5085 hci_dev_unlock(hdev);
5086 return err;
5087}
5088
95868426
JH		 5089static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
5090{
5091 struct mgmt_cp_get_clock_info *cp;
5092 struct mgmt_rp_get_clock_info rp;
5093 struct hci_cp_read_clock *hci_cp;
5094 struct pending_cmd *cmd;
5095 struct hci_conn *conn;
5096
5097 BT_DBG("%s status %u", hdev->name, status);
5098
5099 hci_dev_lock(hdev);
5100
5101 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5102 if (!hci_cp)
5103 goto unlock;
5104
5105 if (hci_cp->which) {
5106 u16 handle = __le16_to_cpu(hci_cp->handle);
5107 conn = hci_conn_hash_lookup_handle(hdev, handle);
5108 } else {
5109 conn = NULL;
5110 }
5111
5112 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5113 if (!cmd)
5114 goto unlock;
5115
5116 cp = cmd->param;
5117
5118 memset(&rp, 0, sizeof(rp));
5119 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
5120
5121 if (status)
5122 goto send_rsp;
5123
5124 rp.local_clock = cpu_to_le32(hdev->clock);
5125
5126 if (conn) {
5127 rp.piconet_clock = cpu_to_le32(conn->clock);
5128 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5129 }
5130
5131send_rsp:
5132 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
5133 &rp, sizeof(rp));
5134 mgmt_pending_remove(cmd);
f8aaf9b6 5135 if (conn) {
95868426 5136 hci_conn_drop(conn);
f8aaf9b6
JH		 5137 hci_conn_put(conn);
5138 }
95868426
JH		 5139
5140unlock:
5141 hci_dev_unlock(hdev);
5142}
5143
5144static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5145 u16 len)
5146{
5147 struct mgmt_cp_get_clock_info *cp = data;
5148 struct mgmt_rp_get_clock_info rp;
5149 struct hci_cp_read_clock hci_cp;
5150 struct pending_cmd *cmd;
5151 struct hci_request req;
5152 struct hci_conn *conn;
5153 int err;
5154
5155 BT_DBG("%s", hdev->name);
5156
5157 memset(&rp, 0, sizeof(rp));
5158 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5159 rp.addr.type = cp->addr.type;
5160
5161 if (cp->addr.type != BDADDR_BREDR)
5162 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5163 MGMT_STATUS_INVALID_PARAMS,
5164 &rp, sizeof(rp));
5165
5166 hci_dev_lock(hdev);
5167
5168 if (!hdev_is_powered(hdev)) {
5169 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5170 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5171 goto unlock;
5172 }
5173
5174 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5175 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5176 &cp->addr.bdaddr);
5177 if (!conn || conn->state != BT_CONNECTED) {
5178 err = cmd_complete(sk, hdev->id,
5179 MGMT_OP_GET_CLOCK_INFO,
5180 MGMT_STATUS_NOT_CONNECTED,
5181 &rp, sizeof(rp));
5182 goto unlock;
5183 }
5184 } else {
5185 conn = NULL;
5186 }
5187
5188 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5189 if (!cmd) {
5190 err = -ENOMEM;
5191 goto unlock;
5192 }
5193
5194 hci_req_init(&req, hdev);
5195
5196 memset(&hci_cp, 0, sizeof(hci_cp));
5197 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5198
5199 if (conn) {
5200 hci_conn_hold(conn);
f8aaf9b6 5201 cmd->user_data = hci_conn_get(conn);
95868426
JH		 5202
5203 hci_cp.handle = cpu_to_le16(conn->handle);
5204 hci_cp.which = 0x01; /* Piconet clock */
5205 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5206 }
5207
5208 err = hci_req_run(&req, get_clock_info_complete);
5209 if (err < 0)
5210 mgmt_pending_remove(cmd);
5211
5212unlock:
5213 hci_dev_unlock(hdev);
5214 return err;
5215}
5216
8afef092
MH		 5217static void device_added(struct sock *sk, struct hci_dev *hdev,
5218 bdaddr_t *bdaddr, u8 type, u8 action)
5219{
5220 struct mgmt_ev_device_added ev;
5221
5222 bacpy(&ev.addr.bdaddr, bdaddr);
5223 ev.addr.type = type;
5224 ev.action = action;
5225
5226 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5227}
5228
2faade53
MH		 5229static int add_device(struct sock *sk, struct hci_dev *hdev,
5230 void *data, u16 len)
5231{
5232 struct mgmt_cp_add_device *cp = data;
5233 u8 auto_conn, addr_type;
5234 int err;
5235
5236 BT_DBG("%s", hdev->name);
5237
6659358e 5238 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53
MH		 5239 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5240 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5241 MGMT_STATUS_INVALID_PARAMS,
5242 &cp->addr, sizeof(cp->addr));
5243
4b9e7e75 5244 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2faade53
MH		 5245 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5246 MGMT_STATUS_INVALID_PARAMS,
5247 &cp->addr, sizeof(cp->addr));
5248
5249 hci_dev_lock(hdev);
5250
6659358e 5251 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5252 /* Only incoming connections action is supported for now */
6659358e
JH		 5253 if (cp->action != 0x01) {
5254 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5255 MGMT_STATUS_INVALID_PARAMS,
5256 &cp->addr, sizeof(cp->addr));
5257 goto unlock;
5258 }
5259
5260 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5261 cp->addr.type);
5262 if (err)
5263 goto unlock;
a397407f 5264
432df05e 5265 hci_update_page_scan(hdev, NULL);
a397407f 5266
6659358e
JH		 5267 goto added;
5268 }
5269
2faade53
MH		 5270 if (cp->addr.type == BDADDR_LE_PUBLIC)
5271 addr_type = ADDR_LE_DEV_PUBLIC;
5272 else
5273 addr_type = ADDR_LE_DEV_RANDOM;
5274
4b9e7e75 5275 if (cp->action == 0x02)
2faade53 5276 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5277 else if (cp->action == 0x01)
5278 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5279 else
a3451d27 5280 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5281
bf5b3c8b
MH		 5282 /* If the connection parameters don't exist for this device,
5283 * they will be created and configured with defaults.
5284 */
d06b50ce
MH		 5285 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5286 auto_conn) < 0) {
2faade53
MH		 5287 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5288 MGMT_STATUS_FAILED,
5289 &cp->addr, sizeof(cp->addr));
5290 goto unlock;
5291 }
5292
6659358e 5293added:
8afef092
MH		 5294 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5295
2faade53
MH		 5296 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5297 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5298
5299unlock:
5300 hci_dev_unlock(hdev);
5301 return err;
5302}
5303
8afef092
MH		 5304static void device_removed(struct sock *sk, struct hci_dev *hdev,
5305 bdaddr_t *bdaddr, u8 type)
5306{
5307 struct mgmt_ev_device_removed ev;
5308
5309 bacpy(&ev.addr.bdaddr, bdaddr);
5310 ev.addr.type = type;
5311
5312 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5313}
5314
2faade53
MH		 5315static int remove_device(struct sock *sk, struct hci_dev *hdev,
5316 void *data, u16 len)
5317{
5318 struct mgmt_cp_remove_device *cp = data;
5319 int err;
5320
5321 BT_DBG("%s", hdev->name);
5322
5323 hci_dev_lock(hdev);
5324
5325 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5326 struct hci_conn_params *params;
2faade53
MH		 5327 u8 addr_type;
5328
6659358e 5329 if (!bdaddr_type_is_valid(cp->addr.type)) {
2faade53
MH		 5330 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5331 MGMT_STATUS_INVALID_PARAMS,
5332 &cp->addr, sizeof(cp->addr));
5333 goto unlock;
5334 }
5335
6659358e
JH		 5336 if (cp->addr.type == BDADDR_BREDR) {
5337 err = hci_bdaddr_list_del(&hdev->whitelist,
5338 &cp->addr.bdaddr,
5339 cp->addr.type);
5340 if (err) {
5341 err = cmd_complete(sk, hdev->id,
5342 MGMT_OP_REMOVE_DEVICE,
5343 MGMT_STATUS_INVALID_PARAMS,
5344 &cp->addr, sizeof(cp->addr));
5345 goto unlock;
5346 }
5347
432df05e 5348 hci_update_page_scan(hdev, NULL);
a397407f 5349
6659358e
JH		 5350 device_removed(sk, hdev, &cp->addr.bdaddr,
5351 cp->addr.type);
5352 goto complete;
5353 }
5354
2faade53
MH		 5355 if (cp->addr.type == BDADDR_LE_PUBLIC)
5356 addr_type = ADDR_LE_DEV_PUBLIC;
5357 else
5358 addr_type = ADDR_LE_DEV_RANDOM;
5359
c71593dd
JH		 5360 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5361 addr_type);
5362 if (!params) {
5363 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5364 MGMT_STATUS_INVALID_PARAMS,
5365 &cp->addr, sizeof(cp->addr));
5366 goto unlock;
5367 }
5368
5369 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
5370 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5371 MGMT_STATUS_INVALID_PARAMS,
5372 &cp->addr, sizeof(cp->addr));
5373 goto unlock;
5374 }
5375
d1dbf12e 5376 list_del(&params->action);
c71593dd
JH		 5377 list_del(&params->list);
5378 kfree(params);
95305baa 5379 hci_update_background_scan(hdev);
8afef092
MH		 5380
5381 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5382 } else {
19de0825 5383 struct hci_conn_params *p, *tmp;
6659358e 5384 struct bdaddr_list *b, *btmp;
19de0825 5385
2faade53
MH		 5386 if (cp->addr.type) {
5387 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5388 MGMT_STATUS_INVALID_PARAMS,
5389 &cp->addr, sizeof(cp->addr));
5390 goto unlock;
5391 }
5392
6659358e
JH		 5393 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5394 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5395 list_del(&b->list);
5396 kfree(b);
5397 }
5398
432df05e 5399 hci_update_page_scan(hdev, NULL);
a397407f 5400
19de0825
JH		 5401 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5402 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5403 continue;
5404 device_removed(sk, hdev, &p->addr, p->addr_type);
5405 list_del(&p->action);
5406 list_del(&p->list);
5407 kfree(p);
5408 }
5409
5410 BT_DBG("All LE connection parameters were removed");
5411
5412 hci_update_background_scan(hdev);
2faade53
MH		 5413 }
5414
6659358e 5415complete:
2faade53
MH		 5416 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5417 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5418
5419unlock:
5420 hci_dev_unlock(hdev);
5421 return err;
5422}
5423
a26f3dcf
JH		 5424static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5425 u16 len)
5426{
5427 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5428 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5429 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5430 u16 param_count, expected_len;
5431 int i;
5432
5433 if (!lmp_le_capable(hdev))
5434 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5435 MGMT_STATUS_NOT_SUPPORTED);
5436
5437 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5438 if (param_count > max_param_count) {
5439 BT_ERR("load_conn_param: too big param_count value %u",
5440 param_count);
5441 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5442 MGMT_STATUS_INVALID_PARAMS);
5443 }
a26f3dcf
JH		 5444
5445 expected_len = sizeof(*cp) + param_count *
5446 sizeof(struct mgmt_conn_param);
5447 if (expected_len != len) {
5448 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5449 expected_len, len);
5450 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5451 MGMT_STATUS_INVALID_PARAMS);
5452 }
5453
5454 BT_DBG("%s param_count %u", hdev->name, param_count);
5455
5456 hci_dev_lock(hdev);
5457
5458 hci_conn_params_clear_disabled(hdev);
5459
5460 for (i = 0; i < param_count; i++) {
5461 struct mgmt_conn_param *param = &cp->params[i];
5462 struct hci_conn_params *hci_param;
5463 u16 min, max, latency, timeout;
5464 u8 addr_type;
5465
5466 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5467 param->addr.type);
5468
5469 if (param->addr.type == BDADDR_LE_PUBLIC) {
5470 addr_type = ADDR_LE_DEV_PUBLIC;
5471 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5472 addr_type = ADDR_LE_DEV_RANDOM;
5473 } else {
5474 BT_ERR("Ignoring invalid connection parameters");
5475 continue;
5476 }
5477
5478 min = le16_to_cpu(param->min_interval);
5479 max = le16_to_cpu(param->max_interval);
5480 latency = le16_to_cpu(param->latency);
5481 timeout = le16_to_cpu(param->timeout);
5482
5483 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5484 min, max, latency, timeout);
5485
5486 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5487 BT_ERR("Ignoring invalid connection parameters");
5488 continue;
5489 }
5490
5491 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5492 addr_type);
5493 if (!hci_param) {
5494 BT_ERR("Failed to add connection parameters");
5495 continue;
5496 }
5497
5498 hci_param->conn_min_interval = min;
5499 hci_param->conn_max_interval = max;
5500 hci_param->conn_latency = latency;
5501 hci_param->supervision_timeout = timeout;
5502 }
5503
5504 hci_dev_unlock(hdev);
5505
5506 return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
5507}
5508
dbece37a
MH		 5509static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5510 void *data, u16 len)
5511{
5512 struct mgmt_cp_set_external_config *cp = data;
5513 bool changed;
5514 int err;
5515
5516 BT_DBG("%s", hdev->name);
5517
5518 if (hdev_is_powered(hdev))
5519 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5520 MGMT_STATUS_REJECTED);
5521
5522 if (cp->config != 0x00 && cp->config != 0x01)
5523 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5524 MGMT_STATUS_INVALID_PARAMS);
5525
5526 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5527 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5528 MGMT_STATUS_NOT_SUPPORTED);
5529
5530 hci_dev_lock(hdev);
5531
5532 if (cp->config)
5533 changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
5534 &hdev->dev_flags);
5535 else
5536 changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
5537 &hdev->dev_flags);
5538
5539 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5540 if (err < 0)
5541 goto unlock;
5542
5543 if (!changed)
5544 goto unlock;
5545
f4537c04
MH		 5546 err = new_options(hdev, sk);
5547
dbece37a
MH		 5548 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
5549 mgmt_index_removed(hdev);
d603b76b
MH		 5550
5551 if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
5552 set_bit(HCI_CONFIG, &hdev->dev_flags);
5553 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5554
5555 queue_work(hdev->req_workqueue, &hdev->power_on);
5556 } else {
5ea234d3 5557 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5558 mgmt_index_added(hdev);
5559 }
dbece37a
MH		 5560 }
5561
5562unlock:
5563 hci_dev_unlock(hdev);
5564 return err;
5565}
5566
9713c17b
MH		 5567static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5568 void *data, u16 len)
5569{
5570 struct mgmt_cp_set_public_address *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_PUBLIC_ADDRESS,
5578 MGMT_STATUS_REJECTED);
5579
5580 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5581 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5582 MGMT_STATUS_INVALID_PARAMS);
5583
5584 if (!hdev->set_bdaddr)
5585 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5586 MGMT_STATUS_NOT_SUPPORTED);
5587
5588 hci_dev_lock(hdev);
5589
5590 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5591 bacpy(&hdev->public_addr, &cp->bdaddr);
5592
5593 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5594 if (err < 0)
5595 goto unlock;
5596
5597 if (!changed)
5598 goto unlock;
5599
5600 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5601 err = new_options(hdev, sk);
5602
5603 if (is_configured(hdev)) {
5604 mgmt_index_removed(hdev);
5605
5606 clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
5607
5608 set_bit(HCI_CONFIG, &hdev->dev_flags);
5609 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5610
5611 queue_work(hdev->req_workqueue, &hdev->power_on);
5612 }
5613
5614unlock:
5615 hci_dev_unlock(hdev);
5616 return err;
5617}
5618
2e3c35ea 5619static const struct mgmt_handler {
04124681
GP		 5620 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5621 u16 data_len);
be22b54e
JH		 5622 bool var_len;
5623 size_t data_len;
0f4e68cf
JH		 5624} mgmt_handlers[] = {
5625 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5626 { read_version, false, MGMT_READ_VERSION_SIZE },
5627 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5628 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5629 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5630 { set_powered, false, MGMT_SETTING_SIZE },
5631 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5632 { set_connectable, false, MGMT_SETTING_SIZE },
5633 { set_fast_connectable, false, MGMT_SETTING_SIZE },
b2939475 5634 { set_bondable, false, MGMT_SETTING_SIZE },
be22b54e
JH		 5635 { set_link_security, false, MGMT_SETTING_SIZE },
5636 { set_ssp, false, MGMT_SETTING_SIZE },
5637 { set_hs, false, MGMT_SETTING_SIZE },
5638 { set_le, false, MGMT_SETTING_SIZE },
5639 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5640 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5641 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5642 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5643 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5644 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5645 { disconnect, false, MGMT_DISCONNECT_SIZE },
5646 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5647 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5648 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5649 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5650 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5651 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5652 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5653 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5654 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5655 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5656 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5657 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5658 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5659 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5660 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5661 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5662 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5663 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5664 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5665 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5666 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5667 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5668 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5669 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5670 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5671 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5672 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5673 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5674 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5675 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5676 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5677 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
73d1df2a
MH		 5678 { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
5679 { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
9fc3bfb6 5680 { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
dbece37a 5681 { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
9713c17b 5682 { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
0f4e68cf
JH		 5683};
5684
0381101f
JH		 5685int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5686{
650f726d
VCG		 5687 void *buf;
5688 u8 *cp;
0381101f 5689 struct mgmt_hdr *hdr;
4e51eae9 5690 u16 opcode, index, len;
bdb6d971 5691 struct hci_dev *hdev = NULL;
2e3c35ea 5692 const struct mgmt_handler *handler;
0381101f
JH		 5693 int err;
5694
5695 BT_DBG("got %zu bytes", msglen);
5696
5697 if (msglen < sizeof(*hdr))
5698 return -EINVAL;
5699
e63a15ec 5700 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5701 if (!buf)
5702 return -ENOMEM;
5703
5704 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5705 err = -EFAULT;
5706 goto done;
5707 }
5708
650f726d 5709 hdr = buf;
1f350c87
MH		 5710 opcode = __le16_to_cpu(hdr->opcode);
5711 index = __le16_to_cpu(hdr->index);
5712 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5713
5714 if (len != msglen - sizeof(*hdr)) {
5715 err = -EINVAL;
5716 goto done;
5717 }
5718
0f4e68cf 5719 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5720 hdev = hci_dev_get(index);
5721 if (!hdev) {
5722 err = cmd_status(sk, index, opcode,
04124681 5723 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5724 goto done;
5725 }
0736cfa8 5726
cebf4cfd 5727 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
d603b76b 5728 test_bit(HCI_CONFIG, &hdev->dev_flags) ||
4a964404 5729 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
0736cfa8
MH		 5730 err = cmd_status(sk, index, opcode,
5731 MGMT_STATUS_INVALID_INDEX);
5732 goto done;
5733 }
42a9bc14
MH		 5734
5735 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
dbece37a 5736 opcode != MGMT_OP_READ_CONFIG_INFO &&
9713c17b
MH		 5737 opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
5738 opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
42a9bc14
MH		 5739 err = cmd_status(sk, index, opcode,
5740 MGMT_STATUS_INVALID_INDEX);
5741 goto done;
5742 }
bdb6d971
JH		 5743 }
5744
0f4e68cf 5745 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5746 mgmt_handlers[opcode].func == NULL) {
0381101f 5747 BT_DBG("Unknown op %u", opcode);
ca69b795 5748 err = cmd_status(sk, index, opcode,
04124681 5749 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5750 goto done;
5751 }
5752
73d1df2a
MH		 5753 if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
5754 opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
5755 err = cmd_status(sk, index, opcode,
5756 MGMT_STATUS_INVALID_INDEX);
5757 goto done;
5758 }
5759
5760 if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
5761 opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
0f4e68cf 5762 err = cmd_status(sk, index, opcode,
04124681 5763 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5764 goto done;
0381101f
JH		 5765 }
5766
be22b54e
JH		 5767 handler = &mgmt_handlers[opcode];
5768
5769 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5770 (!handler->var_len && len != handler->data_len)) {
be22b54e 5771 err = cmd_status(sk, index, opcode,
04124681 5772 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5773 goto done;
5774 }
5775
0f4e68cf
JH		 5776 if (hdev)
5777 mgmt_init_hdev(sk, hdev);
5778
5779 cp = buf + sizeof(*hdr);
5780
be22b54e 5781 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5782 if (err < 0)
5783 goto done;
5784
0381101f
JH		 5785 err = msglen;
5786
5787done:
bdb6d971
JH		 5788 if (hdev)
5789 hci_dev_put(hdev);
5790
0381101f
JH		 5791 kfree(buf);
5792 return err;
5793}
c71e97bf 5794
bf6b56db 5795void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5796{
1514b892 5797 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5798 return;
bb4b2a9a 5799
0602a8ad
MH		 5800 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5801 return;
5802
5803 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5804 mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
5805 else
5806 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5807}
5808
bf6b56db 5809void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5810{
5f159032 5811 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 5812
1514b892 5813 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5814 return;
bb4b2a9a 5815
0602a8ad
MH		 5816 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5817 return;
5818
744cf19e 5819 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5820
edd3896b
MH		 5821 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5822 mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
5823 else
5824 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5825}
5826
6046dc3e 5827/* This function requires the caller holds hdev->lock */
d7347f3c 5828static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 5829{
5830 struct hci_conn_params *p;
5831
5832 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 5833 /* Needed for AUTO_OFF case where might not "really"
5834 * have been powered off.
5835 */
5836 list_del_init(&p->action);
5837
5838 switch (p->auto_connect) {
4b9e7e75 5839 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 5840 case HCI_AUTO_CONN_ALWAYS:
5841 list_add(&p->action, &hdev->pend_le_conns);
5842 break;
5843 case HCI_AUTO_CONN_REPORT:
5844 list_add(&p->action, &hdev->pend_le_reports);
5845 break;
5846 default:
5847 break;
c83ed19d 5848 }
6046dc3e 5849 }
c83ed19d 5850
c83ed19d 5851 hci_update_background_scan(hdev);
6046dc3e
AG		 5852}
5853
229ab39c
JH		 5854static void powered_complete(struct hci_dev *hdev, u8 status)
5855{
5856 struct cmd_lookup match = { NULL, hdev };
5857
5858 BT_DBG("status 0x%02x", status);
5859
5860 hci_dev_lock(hdev);
5861
d7347f3c 5862 restart_le_actions(hdev);
6046dc3e 5863
229ab39c
JH		 5864 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5865
5866 new_settings(hdev, match.sk);
5867
5868 hci_dev_unlock(hdev);
5869
5870 if (match.sk)
5871 sock_put(match.sk);
5872}
5873
70da6243 5874static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5875{
890ea898 5876 struct hci_request req;
70da6243 5877 u8 link_sec;
5add6af8 5878
890ea898
JH		 5879 hci_req_init(&req, hdev);
5880
70da6243
JH		 5881 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5882 !lmp_host_ssp_capable(hdev)) {
5883 u8 ssp = 1;
5e5282bb 5884
890ea898 5885 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5886 }
5add6af8 5887
c73eee91
JH		 5888 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5889 lmp_bredr_capable(hdev)) {
70da6243 5890 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5891
32226e4f
MH		 5892 cp.le = 0x01;
5893 cp.simul = 0x00;
3d1cbdd6 5894
70da6243
JH		 5895 /* Check first if we already have the right
5896 * host state (host features set)
5897 */
5898 if (cp.le != lmp_host_le_capable(hdev) ||
5899 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5900 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5901 sizeof(cp), &cp);
70da6243 5902 }
3d1cbdd6 5903
d13eafce 5904 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5905 /* Make sure the controller has a good default for
5906 * advertising data. This also applies to the case
5907 * where BR/EDR was toggled during the AUTO_OFF phase.
5908 */
f14d8f64 5909 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5910 update_adv_data(&req);
f14d8f64
MH		 5911 update_scan_rsp_data(&req);
5912 }
441ad2d0 5913
bba3aa55
MH		 5914 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5915 enable_advertising(&req);
eeca6f89
JH		 5916 }
5917
70da6243
JH		 5918 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5919 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5920 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5921 sizeof(link_sec), &link_sec);
562fcc24 5922
70da6243 5923 if (lmp_bredr_capable(hdev)) {
432df05e
JH		 5924 write_fast_connectable(&req, false);
5925 hci_update_page_scan(hdev, &req);
890ea898 5926 update_class(&req);
13928971 5927 update_name(&req);
890ea898 5928 update_eir(&req);
70da6243 5929 }
562fcc24 5930
229ab39c 5931 return hci_req_run(&req, powered_complete);
70da6243 5932}
562fcc24 5933
70da6243
JH		 5934int mgmt_powered(struct hci_dev *hdev, u8 powered)
5935{
5936 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 5937 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
5938 u8 zero_cod[] = { 0, 0, 0 };
70da6243 5939 int err;
f0ff92fb 5940
70da6243
JH		 5941 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
5942 return 0;
5943
70da6243 5944 if (powered) {
229ab39c
JH		 5945 if (powered_update_hci(hdev) == 0)
5946 return 0;
fe038884 5947
229ab39c
JH		 5948 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
5949 &match);
5950 goto new_settings;
b24752fe
JH		 5951 }
5952
229ab39c
JH		 5953 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5954 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
5955
5956 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
5957 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
5958 zero_cod, sizeof(zero_cod), NULL);
5959
5960new_settings:
beadb2bd 5961 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 5962
5963 if (match.sk)
5964 sock_put(match.sk);
5965
7bb895d6 5966 return err;
5add6af8 5967}
73f22f62 5968
3eec705e 5969void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 5970{
5971 struct pending_cmd *cmd;
5972 u8 status;
5973
5974 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
5975 if (!cmd)
3eec705e 5976 return;
96570ffc
JH		 5977
5978 if (err == -ERFKILL)
5979 status = MGMT_STATUS_RFKILLED;
5980 else
5981 status = MGMT_STATUS_FAILED;
5982
3eec705e 5983 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 5984
5985 mgmt_pending_remove(cmd);
96570ffc
JH		 5986}
5987
d1967ff8
MH		 5988void mgmt_discoverable_timeout(struct hci_dev *hdev)
5989{
5990 struct hci_request req;
d1967ff8
MH		 5991
5992 hci_dev_lock(hdev);
5993
5994 /* When discoverable timeout triggers, then just make sure
5995 * the limited discoverable flag is cleared. Even in the case
5996 * of a timeout triggered from general discoverable, it is
5997 * safe to unconditionally clear the flag.
5998 */
5999 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 6000 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 6001
6002 hci_req_init(&req, hdev);
4b580614
JH		 6003 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
6004 u8 scan = SCAN_PAGE;
6005 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
6006 sizeof(scan), &scan);
6007 }
d1967ff8 6008 update_class(&req);
9a43e25f 6009 update_adv_data(&req);
d1967ff8
MH		 6010 hci_req_run(&req, NULL);
6011
6012 hdev->discov_timeout = 0;
6013
9a43e25f
JH		 6014 new_settings(hdev, NULL);
6015
d1967ff8
MH		 6016 hci_dev_unlock(hdev);
6017}
6018
dc4a5ee2
MH		 6019void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6020 bool persistent)
55ed8ca1 6021{
86742e1e 6022 struct mgmt_ev_new_link_key ev;
55ed8ca1 6023
a492cd52 6024 memset(&ev, 0, sizeof(ev));
55ed8ca1 6025
a492cd52 6026 ev.store_hint = persistent;
d753fdc4 6027 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6028 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6029 ev.key.type = key->type;
9b3b4460 6030 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6031 ev.key.pin_len = key->pin_len;
55ed8ca1 6032
dc4a5ee2 6033 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6034}
f7520543 6035
d7b25450
JH		 6036static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6037{
6038 if (ltk->authenticated)
6039 return MGMT_LTK_AUTHENTICATED;
6040
6041 return MGMT_LTK_UNAUTHENTICATED;
6042}
6043
53ac6ab6 6044void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6045{
6046 struct mgmt_ev_new_long_term_key ev;
6047
6048 memset(&ev, 0, sizeof(ev));
6049
5192d301
MH		 6050 /* Devices using resolvable or non-resolvable random addresses
6051 * without providing an indentity resolving key don't require
6052 * to store long term keys. Their addresses will change the
6053 * next time around.
6054 *
6055 * Only when a remote device provides an identity address
6056 * make sure the long term key is stored. If the remote
6057 * identity is known, the long term keys are internally
6058 * mapped to the identity address. So allow static random
6059 * and public addresses here.
6060 */
ba74b666
JH		 6061 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6062 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6063 ev.store_hint = 0x00;
6064 else
53ac6ab6 6065 ev.store_hint = persistent;
ba74b666 6066
346af67b 6067 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6068 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6069 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6070 ev.key.enc_size = key->enc_size;
6071 ev.key.ediv = key->ediv;
fe39c7b2 6072 ev.key.rand = key->rand;
346af67b 6073
2ceba539 6074 if (key->type == SMP_LTK)
346af67b
VCG		 6075 ev.key.master = 1;
6076
346af67b
VCG		 6077 memcpy(ev.key.val, key->val, sizeof(key->val));
6078
083368f7 6079 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6080}
6081
95fbac8a
JH		 6082void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
6083{
6084 struct mgmt_ev_new_irk ev;
6085
6086 memset(&ev, 0, sizeof(ev));
6087
bab6d1e5
MH		 6088 /* For identity resolving keys from devices that are already
6089 * using a public address or static random address, do not
6090 * ask for storing this key. The identity resolving key really
6091 * is only mandatory for devices using resovlable random
6092 * addresses.
6093 *
6094 * Storing all identity resolving keys has the downside that
6095 * they will be also loaded on next boot of they system. More
6096 * identity resolving keys, means more time during scanning is
6097 * needed to actually resolve these addresses.
6098 */
6099 if (bacmp(&irk->rpa, BDADDR_ANY))
6100 ev.store_hint = 0x01;
6101 else
6102 ev.store_hint = 0x00;
6103
95fbac8a
JH		 6104 bacpy(&ev.rpa, &irk->rpa);
6105 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6106 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6107 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6108
6109 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6110}
6111
53ac6ab6
MH		 6112void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6113 bool persistent)
7ee4ea36
MH		 6114{
6115 struct mgmt_ev_new_csrk ev;
6116
6117 memset(&ev, 0, sizeof(ev));
6118
6119 /* Devices using resolvable or non-resolvable random addresses
6120 * without providing an indentity resolving key don't require
6121 * to store signature resolving keys. Their addresses will change
6122 * the next time around.
6123 *
6124 * Only when a remote device provides an identity address
6125 * make sure the signature resolving key is stored. So allow
6126 * static random and public addresses here.
6127 */
6128 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6129 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6130 ev.store_hint = 0x00;
6131 else
53ac6ab6 6132 ev.store_hint = persistent;
7ee4ea36
MH		 6133
6134 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6135 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6136 ev.key.master = csrk->master;
6137 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6138
6139 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6140}
6141
ffb5a827 6142void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6143 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6144 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6145{
6146 struct mgmt_ev_new_conn_param ev;
6147
c103aea6
JH		 6148 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6149 return;
6150
ffb5a827
AG		 6151 memset(&ev, 0, sizeof(ev));
6152 bacpy(&ev.addr.bdaddr, bdaddr);
6153 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6154 ev.store_hint = store_hint;
ffb5a827
AG		 6155 ev.min_interval = cpu_to_le16(min_interval);
6156 ev.max_interval = cpu_to_le16(max_interval);
6157 ev.latency = cpu_to_le16(latency);
6158 ev.timeout = cpu_to_le16(timeout);
6159
6160 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6161}
6162
94933991
MH		 6163static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6164 u8 data_len)
6165{
6166 eir[eir_len++] = sizeof(type) + data_len;
6167 eir[eir_len++] = type;
6168 memcpy(&eir[eir_len], data, data_len);
6169 eir_len += data_len;
6170
6171 return eir_len;
6172}
6173
ecd90ae7
MH		 6174void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6175 u8 addr_type, u32 flags, u8 *name, u8 name_len,
6176 u8 *dev_class)
f7520543 6177{
b644ba33
JH		 6178 char buf[512];
6179 struct mgmt_ev_device_connected *ev = (void *) buf;
6180 u16 eir_len = 0;
f7520543 6181
b644ba33 6182 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6183 ev->addr.type = link_to_bdaddr(link_type, addr_type);
f7520543 6184
c95f0ba7 6185 ev->flags = __cpu_to_le32(flags);
08c79b61 6186
b644ba33
JH		 6187 if (name_len > 0)
6188 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
04124681 6189 name, name_len);
b644ba33
JH		 6190
6191 if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
53156385 6192 eir_len = eir_append_data(ev->eir, eir_len,
04124681 6193 EIR_CLASS_OF_DEV, dev_class, 3);
b644ba33 6194
eb55ef07 6195 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6196
ecd90ae7
MH		 6197 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6198 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6199}
6200
8962ee74
JH		 6201static void disconnect_rsp(struct pending_cmd *cmd, void *data)
6202{
c68fb7ff 6203 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 6204 struct sock **sk = data;
a38528f1 6205 struct mgmt_rp_disconnect rp;
8962ee74 6206
88c3df13
JH		 6207 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6208 rp.addr.type = cp->addr.type;
8962ee74 6209
aee9b218 6210 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 6211 sizeof(rp));
8962ee74
JH		 6212
6213 *sk = cmd->sk;
6214 sock_hold(*sk);
6215
a664b5bc 6216 mgmt_pending_remove(cmd);
8962ee74
JH		 6217}
6218
124f6e35 6219static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 6220{
b1078ad0 6221 struct hci_dev *hdev = data;
124f6e35
JH		 6222 struct mgmt_cp_unpair_device *cp = cmd->param;
6223 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 6224
6225 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 6226 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6227 rp.addr.type = cp->addr.type;
a8a1d19e 6228
b1078ad0
JH		 6229 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6230
aee9b218 6231 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 6232
6233 mgmt_pending_remove(cmd);
6234}
6235
84c61d92
JH		 6236bool mgmt_powering_down(struct hci_dev *hdev)
6237{
6238 struct pending_cmd *cmd;
6239 struct mgmt_mode *cp;
6240
6241 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6242 if (!cmd)
6243 return false;
6244
6245 cp = cmd->param;
6246 if (!cp->val)
6247 return true;
6248
6249 return false;
6250}
6251
9b80ec5e 6252void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6253 u8 link_type, u8 addr_type, u8 reason,
6254 bool mgmt_connected)
f7520543 6255{
f0d6a0ea 6256 struct mgmt_ev_device_disconnected ev;
8962ee74 6257 struct sock *sk = NULL;
8962ee74 6258
84c61d92
JH		 6259 /* The connection is still in hci_conn_hash so test for 1
6260 * instead of 0 to know if this is the last one.
6261 */
6262 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6263 cancel_delayed_work(&hdev->power_off);
6264 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6265 }
6266
12d4a3b2
JH		 6267 if (!mgmt_connected)
6268 return;
6269
57eb776f
AG		 6270 if (link_type != ACL_LINK && link_type != LE_LINK)
6271 return;
6272
744cf19e 6273 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6274
f0d6a0ea
MA		 6275 bacpy(&ev.addr.bdaddr, bdaddr);
6276 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6277 ev.reason = reason;
f7520543 6278
9b80ec5e 6279 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6280
6281 if (sk)
d97dcb66 6282 sock_put(sk);
8962ee74 6283
124f6e35 6284 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6285 hdev);
8962ee74
JH		 6286}
6287
7892924c
MH		 6288void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6289 u8 link_type, u8 addr_type, u8 status)
8962ee74 6290{
3655bba8
AG		 6291 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6292 struct mgmt_cp_disconnect *cp;
88c3df13 6293 struct mgmt_rp_disconnect rp;
8962ee74 6294 struct pending_cmd *cmd;
8962ee74 6295
36a75f1b
JD		 6296 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6297 hdev);
6298
2e58ef3e 6299 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6300 if (!cmd)
7892924c 6301 return;
8962ee74 6302
3655bba8
AG		 6303 cp = cmd->param;
6304
6305 if (bacmp(bdaddr, &cp->addr.bdaddr))
6306 return;
6307
6308 if (cp->addr.type != bdaddr_type)
6309 return;
6310
88c3df13 6311 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 6312 rp.addr.type = bdaddr_type;
37d9ef76 6313
7892924c
MH		 6314 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
6315 mgmt_status(status), &rp, sizeof(rp));
8962ee74 6316
a664b5bc 6317 mgmt_pending_remove(cmd);
f7520543 6318}
17d5c04c 6319
445608d0
MH		 6320void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6321 u8 addr_type, u8 status)
17d5c04c
JH		 6322{
6323 struct mgmt_ev_connect_failed ev;
c9910d0f 6324
84c61d92
JH		 6325 /* The connection is still in hci_conn_hash so test for 1
6326 * instead of 0 to know if this is the last one.
6327 */
6328 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6329 cancel_delayed_work(&hdev->power_off);
6330 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6331 }
17d5c04c 6332
4c659c39 6333 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6334 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6335 ev.status = mgmt_status(status);
17d5c04c 6336
445608d0 6337 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6338}
980e1a53 6339
ce0e4a0d 6340void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6341{
6342 struct mgmt_ev_pin_code_request ev;
6343
d8457698 6344 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6345 ev.addr.type = BDADDR_BREDR;
a770bb5a 6346 ev.secure = secure;
980e1a53 6347
ce0e4a0d 6348 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6349}
6350
e669cf80
MH		 6351void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6352 u8 status)
980e1a53
JH		 6353{
6354 struct pending_cmd *cmd;
ac56fb13 6355 struct mgmt_rp_pin_code_reply rp;
980e1a53 6356
2e58ef3e 6357 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6358 if (!cmd)
e669cf80 6359 return;
980e1a53 6360
d8457698 6361 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6362 rp.addr.type = BDADDR_BREDR;
ac56fb13 6363
e669cf80
MH		 6364 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
6365 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6366
a664b5bc 6367 mgmt_pending_remove(cmd);
980e1a53
JH		 6368}
6369
3eb38528
MH		 6370void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6371 u8 status)
980e1a53
JH		 6372{
6373 struct pending_cmd *cmd;
ac56fb13 6374 struct mgmt_rp_pin_code_reply rp;
980e1a53 6375
2e58ef3e 6376 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6377 if (!cmd)
3eb38528 6378 return;
980e1a53 6379
d8457698 6380 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6381 rp.addr.type = BDADDR_BREDR;
ac56fb13 6382
3eb38528
MH		 6383 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
6384 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6385
a664b5bc 6386 mgmt_pending_remove(cmd);
980e1a53 6387}
a5c29683 6388
744cf19e 6389int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6390 u8 link_type, u8 addr_type, u32 value,
04124681 6391 u8 confirm_hint)
a5c29683
JH		 6392{
6393 struct mgmt_ev_user_confirm_request ev;
6394
744cf19e 6395 BT_DBG("%s", hdev->name);
a5c29683 6396
272d90df 6397 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6398 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6399 ev.confirm_hint = confirm_hint;
39adbffe 6400 ev.value = cpu_to_le32(value);
a5c29683 6401
744cf19e 6402 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6403 NULL);
a5c29683
JH		 6404}
6405
272d90df 6406int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6407 u8 link_type, u8 addr_type)
604086b7
BG		 6408{
6409 struct mgmt_ev_user_passkey_request ev;
6410
6411 BT_DBG("%s", hdev->name);
6412
272d90df 6413 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6414 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6415
6416 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6417 NULL);
604086b7
BG		 6418}
6419
0df4c185 6420static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6421 u8 link_type, u8 addr_type, u8 status,
6422 u8 opcode)
a5c29683
JH		 6423{
6424 struct pending_cmd *cmd;
6425 struct mgmt_rp_user_confirm_reply rp;
6426 int err;
6427
2e58ef3e 6428 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH		 6429 if (!cmd)
6430 return -ENOENT;
6431
272d90df 6432 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 6433 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 6434 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 6435 &rp, sizeof(rp));
a5c29683 6436
a664b5bc 6437 mgmt_pending_remove(cmd);
a5c29683
JH		 6438
6439 return err;
6440}
6441
744cf19e 6442int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6443 u8 link_type, u8 addr_type, u8 status)
a5c29683 6444{
272d90df 6445 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6446 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6447}
6448
272d90df 6449int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6450 u8 link_type, u8 addr_type, u8 status)
a5c29683 6451{
272d90df 6452 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6453 status,
6454 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6455}
2a611692 6456
604086b7 6457int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6458 u8 link_type, u8 addr_type, u8 status)
604086b7 6459{
272d90df 6460 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6461 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6462}
6463
272d90df 6464int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6465 u8 link_type, u8 addr_type, u8 status)
604086b7 6466{
272d90df 6467 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6468 status,
6469 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6470}
6471
92a25256
JH		 6472int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6473 u8 link_type, u8 addr_type, u32 passkey,
6474 u8 entered)
6475{
6476 struct mgmt_ev_passkey_notify ev;
6477
6478 BT_DBG("%s", hdev->name);
6479
6480 bacpy(&ev.addr.bdaddr, bdaddr);
6481 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6482 ev.passkey = __cpu_to_le32(passkey);
6483 ev.entered = entered;
6484
6485 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6486}
6487
e1e930f5 6488void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 6489{
6490 struct mgmt_ev_auth_failed ev;
e1e930f5
JH		 6491 struct pending_cmd *cmd;
6492 u8 status = mgmt_status(hci_status);
2a611692 6493
e1e930f5
JH		 6494 bacpy(&ev.addr.bdaddr, &conn->dst);
6495 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6496 ev.status = status;
2a611692 6497
e1e930f5
JH		 6498 cmd = find_pairing(conn);
6499
6500 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
6501 cmd ? cmd->sk : NULL);
6502
6503 if (cmd)
6504 pairing_complete(cmd, status);
2a611692 6505}
b312b161 6506
464996ae 6507void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6508{
6509 struct cmd_lookup match = { NULL, hdev };
464996ae 6510 bool changed;
33ef95ed
JH		 6511
6512 if (status) {
6513 u8 mgmt_err = mgmt_status(status);
6514 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6515 cmd_status_rsp, &mgmt_err);
464996ae 6516 return;
33ef95ed
JH		 6517 }
6518
464996ae
MH		 6519 if (test_bit(HCI_AUTH, &hdev->flags))
6520 changed = !test_and_set_bit(HCI_LINK_SECURITY,
6521 &hdev->dev_flags);
6522 else
6523 changed = test_and_clear_bit(HCI_LINK_SECURITY,
6524 &hdev->dev_flags);
47990ea0 6525
33ef95ed 6526 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6527 &match);
33ef95ed 6528
47990ea0 6529 if (changed)
464996ae 6530 new_settings(hdev, match.sk);
33ef95ed
JH		 6531
6532 if (match.sk)
6533 sock_put(match.sk);
33ef95ed
JH		 6534}
6535
890ea898 6536static void clear_eir(struct hci_request *req)
cacaf52f 6537{
890ea898 6538 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6539 struct hci_cp_write_eir cp;
6540
976eb20e 6541 if (!lmp_ext_inq_capable(hdev))
890ea898 6542 return;
cacaf52f 6543
c80da27e
JH		 6544 memset(hdev->eir, 0, sizeof(hdev->eir));
6545
cacaf52f
JH		 6546 memset(&cp, 0, sizeof(cp));
6547
890ea898 6548 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 6549}
6550
3e248560 6551void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 6552{
6553 struct cmd_lookup match = { NULL, hdev };
890ea898 6554 struct hci_request req;
c0ecddc2 6555 bool changed = false;
ed2c4ee3
JH		 6556
6557 if (status) {
6558 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH		 6559
6560 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
9ecb3e24
MH		 6561 &hdev->dev_flags)) {
6562 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
3e248560 6563 new_settings(hdev, NULL);
9ecb3e24 6564 }
c0ecddc2 6565
04124681
GP		 6566 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
6567 &mgmt_err);
3e248560 6568 return;
c0ecddc2
JH		 6569 }
6570
6571 if (enable) {
9ecb3e24 6572 changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
c0ecddc2 6573 } else {
9ecb3e24
MH		 6574 changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
6575 if (!changed)
6576 changed = test_and_clear_bit(HCI_HS_ENABLED,
6577 &hdev->dev_flags);
6578 else
6579 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
ed2c4ee3
JH		 6580 }
6581
6582 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
6583
c0ecddc2 6584 if (changed)
3e248560 6585 new_settings(hdev, match.sk);
ed2c4ee3 6586
5fc6ebb1 6587 if (match.sk)
ed2c4ee3
JH		 6588 sock_put(match.sk);
6589
890ea898
JH		 6590 hci_req_init(&req, hdev);
6591
3769972b
JH		 6592 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
6593 if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
6594 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
6595 sizeof(enable), &enable);
890ea898 6596 update_eir(&req);
3769972b 6597 } else {
890ea898 6598 clear_eir(&req);
3769972b 6599 }
890ea898
JH		 6600
6601 hci_req_run(&req, NULL);
ed2c4ee3
JH		 6602}
6603
eac83dc6
MH		 6604void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
6605{
6606 struct cmd_lookup match = { NULL, hdev };
6607 bool changed = false;
6608
6609 if (status) {
6610 u8 mgmt_err = mgmt_status(status);
6611
0ab04a9c
MH		 6612 if (enable) {
6613 if (test_and_clear_bit(HCI_SC_ENABLED,
6614 &hdev->dev_flags))
6615 new_settings(hdev, NULL);
6616 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6617 }
eac83dc6
MH		 6618
6619 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6620 cmd_status_rsp, &mgmt_err);
6621 return;
6622 }
6623
0ab04a9c 6624 if (enable) {
eac83dc6 6625 changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c 6626 } else {
eac83dc6 6627 changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c
MH		 6628 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6629 }
eac83dc6
MH		 6630
6631 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6632 settings_rsp, &match);
6633
6634 if (changed)
6635 new_settings(hdev, match.sk);
6636
6637 if (match.sk)
6638 sock_put(match.sk);
6639}
6640
92da6097 6641static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH		 6642{
6643 struct cmd_lookup *match = data;
6644
90e70454
JH		 6645 if (match->sk == NULL) {
6646 match->sk = cmd->sk;
6647 sock_hold(match->sk);
6648 }
90e70454
JH		 6649}
6650
4e1b0245
MH		 6651void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
6652 u8 status)
7f9a903c 6653{
90e70454 6654 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 6655
92da6097
JH		 6656 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
6657 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
6658 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 6659
6660 if (!status)
4e1b0245
MH		 6661 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
6662 NULL);
90e70454
JH		 6663
6664 if (match.sk)
6665 sock_put(match.sk);
7f9a903c
MH		 6666}
6667
7667da34 6668void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 6669{
b312b161 6670 struct mgmt_cp_set_local_name ev;
13928971 6671 struct pending_cmd *cmd;
28cc7bde 6672
13928971 6673 if (status)
7667da34 6674 return;
b312b161
JH		 6675
6676 memset(&ev, 0, sizeof(ev));
6677 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 6678 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 6679
2e58ef3e 6680 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 6681 if (!cmd) {
6682 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 6683
13928971
JH		 6684 /* If this is a HCI command related to powering on the
6685 * HCI dev don't send any mgmt signals.
6686 */
6687 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 6688 return;
890ea898 6689 }
b312b161 6690
7667da34
MH		 6691 mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
6692 cmd ? cmd->sk : NULL);
b312b161 6693}
c35938b2 6694
4d2d2796
MH		 6695void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
6696 u8 *randomizer192, u8 *hash256,
6697 u8 *randomizer256, u8 status)
c35938b2
SJ		 6698{
6699 struct pending_cmd *cmd;
c35938b2 6700
744cf19e 6701 BT_DBG("%s status %u", hdev->name, status);
c35938b2 6702
2e58ef3e 6703 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2 6704 if (!cmd)
3edaf092 6705 return;
c35938b2
SJ		 6706
6707 if (status) {
3edaf092
MH		 6708 cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
6709 mgmt_status(status));
c35938b2 6710 } else {
4d2d2796
MH		 6711 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
6712 hash256 && randomizer256) {
6713 struct mgmt_rp_read_local_oob_ext_data rp;
6714
6715 memcpy(rp.hash192, hash192, sizeof(rp.hash192));
6716 memcpy(rp.randomizer192, randomizer192,
6717 sizeof(rp.randomizer192));
c35938b2 6718
4d2d2796
MH		 6719 memcpy(rp.hash256, hash256, sizeof(rp.hash256));
6720 memcpy(rp.randomizer256, randomizer256,
6721 sizeof(rp.randomizer256));
c35938b2 6722
4d2d2796
MH		 6723 cmd_complete(cmd->sk, hdev->id,
6724 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6725 &rp, sizeof(rp));
6726 } else {
6727 struct mgmt_rp_read_local_oob_data rp;
6728
6729 memcpy(rp.hash, hash192, sizeof(rp.hash));
6730 memcpy(rp.randomizer, randomizer192,
6731 sizeof(rp.randomizer));
6732
6733 cmd_complete(cmd->sk, hdev->id,
6734 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6735 &rp, sizeof(rp));
6736 }
c35938b2
SJ		 6737 }
6738
6739 mgmt_pending_remove(cmd);
c35938b2 6740}
e17acd40 6741
901801b9 6742void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
af58925c
MH		 6743 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
6744 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 6745{
e319d2e7
JH		 6746 char buf[512];
6747 struct mgmt_ev_device_found *ev = (void *) buf;
1dc06093 6748 size_t ev_size;
e17acd40 6749
75ce208c
JH		 6750 /* Don't send events for a non-kernel initiated discovery. With
6751 * LE one exception is if we have pend_le_reports > 0 in which
6752 * case we're doing passive scanning and want these events.
6753 */
6754 if (!hci_discovery_active(hdev)) {
6755 if (link_type == ACL_LINK)
6756 return;
66f8455a 6757 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
75ce208c
JH		 6758 return;
6759 }
12602d0c 6760
5d2e9fad
JH		 6761 /* Make sure that the buffer is big enough. The 5 extra bytes
6762 * are for the potential CoD field.
6763 */
6764 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
901801b9 6765 return;
7d262f86 6766
1dc06093
JH		 6767 memset(buf, 0, sizeof(buf));
6768
841c5644
JH		 6769 bacpy(&ev->addr.bdaddr, bdaddr);
6770 ev->addr.type = link_to_bdaddr(link_type, addr_type);
e319d2e7 6771 ev->rssi = rssi;
af58925c 6772 ev->flags = cpu_to_le32(flags);
e17acd40 6773
1dc06093 6774 if (eir_len > 0)
e319d2e7 6775 memcpy(ev->eir, eir, eir_len);
e17acd40 6776
1dc06093
JH		 6777 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
6778 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 6779 dev_class, 3);
1dc06093 6780
5d2e9fad
JH		 6781 if (scan_rsp_len > 0)
6782 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
6783
6784 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
6785 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 6786
901801b9 6787 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 6788}
a88a9652 6789
9cf12aee
MH		 6790void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6791 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 6792{
b644ba33
JH		 6793 struct mgmt_ev_device_found *ev;
6794 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
6795 u16 eir_len;
a88a9652 6796
b644ba33 6797 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 6798
b644ba33
JH		 6799 memset(buf, 0, sizeof(buf));
6800
6801 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6802 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 6803 ev->rssi = rssi;
6804
6805 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 6806 name_len);
b644ba33 6807
eb55ef07 6808 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 6809
9cf12aee 6810 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 6811}
314b2381 6812
2f1e063b 6813void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 6814{
f963e8e9 6815 struct mgmt_ev_discovering ev;
164a6e78
JH		 6816 struct pending_cmd *cmd;
6817
343fb145
AG		 6818 BT_DBG("%s discovering %u", hdev->name, discovering);
6819
164a6e78 6820 if (discovering)
2e58ef3e 6821 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78 6822 else
2e58ef3e 6823 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
164a6e78
JH		 6824
6825 if (cmd != NULL) {
f808e166
JH		 6826 u8 type = hdev->discovery.type;
6827
04124681
GP		 6828 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
6829 sizeof(type));
164a6e78
JH		 6830 mgmt_pending_remove(cmd);
6831 }
6832
f963e8e9
JH		 6833 memset(&ev, 0, sizeof(ev));
6834 ev.type = hdev->discovery.type;
6835 ev.discovering = discovering;
6836
2f1e063b 6837 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 6838}
5e762444 6839
5976e608
MH		 6840static void adv_enable_complete(struct hci_dev *hdev, u8 status)
6841{
6842 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 6843}
6844
6845void mgmt_reenable_advertising(struct hci_dev *hdev)
6846{
6847 struct hci_request req;
6848
5976e608
MH		 6849 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
6850 return;
6851
6852 hci_req_init(&req, hdev);
6853 enable_advertising(&req);
0ec5ae84 6854 hci_req_run(&req, adv_enable_complete);
5976e608 6855}
Linux kernel - Deliverables
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