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Bluetooth: Add mgmt support for LE Secure Connections LTK types
[GitHub/LineageOS/android_kernel_motorola_exynos9610.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) {
89cbb063
AA		 2728 /* If disconnection is requested, then look up the
2729 * connection. If the remote device is connected, it
2730 * will be later used to terminate the link.
2731 *
2732 * Setting it to NULL explicitly will cause no
2733 * termination of the link.
2734 */
2735 if (cp->disconnect)
2736 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2737 &cp->addr.bdaddr);
2738 else
2739 conn = NULL;
2740
124f6e35 2741 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 2742 } else {
2743 u8 addr_type;
2744
89cbb063
AA		 2745 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
2746 &cp->addr.bdaddr);
2747 if (conn) {
2748 /* Defer clearing up the connection parameters
2749 * until closing to give a chance of keeping
2750 * them if a repairing happens.
2751 */
2752 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
2753
2754 /* If disconnection is not requested, then
2755 * clear the connection variable so that the
2756 * link is not terminated.
2757 */
2758 if (!cp->disconnect)
2759 conn = NULL;
2760 }
2761
e0b2b27e
JH		 2762 if (cp->addr.type == BDADDR_LE_PUBLIC)
2763 addr_type = ADDR_LE_DEV_PUBLIC;
2764 else
2765 addr_type = ADDR_LE_DEV_RANDOM;
2766
a7ec7338
JH		 2767 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2768
e0b2b27e
JH		 2769 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2770 }
b0dbfb46 2771
55ed8ca1 2772 if (err < 0) {
bdb6d971 2773 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2774 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH		 2775 goto unlock;
2776 }
2777
89cbb063
AA		 2778 /* If the connection variable is set, then termination of the
2779 * link is requested.
2780 */
a8a1d19e 2781 if (!conn) {
bdb6d971 2782 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 2783 &rp, sizeof(rp));
b1078ad0 2784 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2785 goto unlock;
2786 }
55ed8ca1 2787
124f6e35 2788 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2789 sizeof(*cp));
a8a1d19e
JH		 2790 if (!cmd) {
2791 err = -ENOMEM;
2792 goto unlock;
55ed8ca1
JH		 2793 }
2794
eb55ef07 2795 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 2796 dc.reason = 0x13; /* Remote User Terminated Connection */
2797 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2798 if (err < 0)
2799 mgmt_pending_remove(cmd);
2800
55ed8ca1 2801unlock:
09fd0de5 2802 hci_dev_unlock(hdev);
55ed8ca1
JH		 2803 return err;
2804}
2805
bdb6d971 2806static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2807 u16 len)
8962ee74 2808{
650f726d 2809 struct mgmt_cp_disconnect *cp = data;
06a63b19 2810 struct mgmt_rp_disconnect rp;
366a0336 2811 struct pending_cmd *cmd;
8962ee74 2812 struct hci_conn *conn;
8962ee74
JH		 2813 int err;
2814
2815 BT_DBG("");
2816
06a63b19
JH		 2817 memset(&rp, 0, sizeof(rp));
2818 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2819 rp.addr.type = cp->addr.type;
2820
4ee71b20 2821 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH		 2822 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2823 MGMT_STATUS_INVALID_PARAMS,
2824 &rp, sizeof(rp));
4ee71b20 2825
09fd0de5 2826 hci_dev_lock(hdev);
8962ee74
JH		 2827
2828 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH		 2829 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2830 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH		 2831 goto failed;
2832 }
2833
2e58ef3e 2834 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH		 2835 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2836 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2837 goto failed;
2838 }
2839
591f47f3 2840 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2841 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2842 &cp->addr.bdaddr);
88c3df13
JH		 2843 else
2844 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 2845
f960727e 2846 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH		 2847 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2848 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH		 2849 goto failed;
2850 }
2851
2e58ef3e 2852 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2853 if (!cmd) {
2854 err = -ENOMEM;
8962ee74 2855 goto failed;
366a0336 2856 }
8962ee74 2857
e3f2f92a 2858 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 2859 if (err < 0)
a664b5bc 2860 mgmt_pending_remove(cmd);
8962ee74
JH		 2861
2862failed:
09fd0de5 2863 hci_dev_unlock(hdev);
8962ee74
JH		 2864 return err;
2865}
2866
57c1477c 2867static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2868{
2869 switch (link_type) {
2870 case LE_LINK:
48264f06
JH		 2871 switch (addr_type) {
2872 case ADDR_LE_DEV_PUBLIC:
591f47f3 2873 return BDADDR_LE_PUBLIC;
0ed09148 2874
48264f06 2875 default:
0ed09148 2876 /* Fallback to LE Random address type */
591f47f3 2877 return BDADDR_LE_RANDOM;
48264f06 2878 }
0ed09148 2879
4c659c39 2880 default:
0ed09148 2881 /* Fallback to BR/EDR type */
591f47f3 2882 return BDADDR_BREDR;
4c659c39
JH		 2883 }
2884}
2885
04124681
GP		 2886static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2887 u16 data_len)
2784eb41 2888{
2784eb41 2889 struct mgmt_rp_get_connections *rp;
8035ded4 2890 struct hci_conn *c;
a38528f1 2891 size_t rp_len;
60fc5fb6
JH		 2892 int err;
2893 u16 i;
2784eb41
JH		 2894
2895 BT_DBG("");
2896
09fd0de5 2897 hci_dev_lock(hdev);
2784eb41 2898
5f97c1df 2899 if (!hdev_is_powered(hdev)) {
bdb6d971 2900 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 2901 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2902 goto unlock;
2903 }
2904
60fc5fb6 2905 i = 0;
b644ba33
JH		 2906 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2907 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2908 i++;
2784eb41
JH		 2909 }
2910
60fc5fb6 2911 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2912 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2913 if (!rp) {
2784eb41
JH		 2914 err = -ENOMEM;
2915 goto unlock;
2916 }
2917
2784eb41 2918 i = 0;
4c659c39 2919 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2920 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2921 continue;
4c659c39 2922 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2923 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2924 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2925 continue;
2926 i++;
2927 }
2928
eb55ef07 2929 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2930
4c659c39
JH		 2931 /* Recalculate length in case of filtered SCO connections, etc */
2932 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2933
bdb6d971 2934 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 2935 rp_len);
2784eb41 2936
a38528f1 2937 kfree(rp);
5f97c1df
JH		 2938
2939unlock:
09fd0de5 2940 hci_dev_unlock(hdev);
2784eb41
JH		 2941 return err;
2942}
2943
bdb6d971 2944static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2945 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR		 2946{
2947 struct pending_cmd *cmd;
2948 int err;
2949
2e58ef3e 2950 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2951 sizeof(*cp));
96d97a67
WR		 2952 if (!cmd)
2953 return -ENOMEM;
2954
d8457698 2955 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2956 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2957 if (err < 0)
2958 mgmt_pending_remove(cmd);
2959
2960 return err;
2961}
2962
bdb6d971 2963static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2964 u16 len)
980e1a53 2965{
96d97a67 2966 struct hci_conn *conn;
650f726d 2967 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2968 struct hci_cp_pin_code_reply reply;
366a0336 2969 struct pending_cmd *cmd;
980e1a53
JH		 2970 int err;
2971
2972 BT_DBG("");
2973
09fd0de5 2974 hci_dev_lock(hdev);
980e1a53 2975
4b34ee78 2976 if (!hdev_is_powered(hdev)) {
bdb6d971 2977 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2978 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2979 goto failed;
2980 }
2981
d8457698 2982 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2983 if (!conn) {
bdb6d971 2984 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2985 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2986 goto failed;
2987 }
2988
2989 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2990 struct mgmt_cp_pin_code_neg_reply ncp;
2991
2992 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2993
2994 BT_ERR("PIN code is not 16 bytes long");
2995
bdb6d971 2996 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2997 if (err >= 0)
bdb6d971 2998 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2999 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 3000
3001 goto failed;
3002 }
3003
00abfe44 3004 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 3005 if (!cmd) {
3006 err = -ENOMEM;
980e1a53 3007 goto failed;
366a0336 3008 }
980e1a53 3009
d8457698 3010 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 3011 reply.pin_len = cp->pin_len;
24718ca5 3012 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 3013
3014 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3015 if (err < 0)
a664b5bc 3016 mgmt_pending_remove(cmd);
980e1a53
JH		 3017
3018failed:
09fd0de5 3019 hci_dev_unlock(hdev);
980e1a53
JH		 3020 return err;
3021}
3022
04124681
GP		 3023static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3024 u16 len)
17fa4b9d 3025{
650f726d 3026 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3027
3028 BT_DBG("");
3029
4ec86d4c
JH		 3030 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
3031 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3032 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
3033
09fd0de5 3034 hci_dev_lock(hdev);
17fa4b9d
JH		 3035
3036 hdev->io_capability = cp->io_capability;
3037
3038 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3039 hdev->io_capability);
17fa4b9d 3040
09fd0de5 3041 hci_dev_unlock(hdev);
17fa4b9d 3042
04124681
GP		 3043 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
3044 0);
17fa4b9d
JH		 3045}
3046
6039aa73 3047static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3048{
3049 struct hci_dev *hdev = conn->hdev;
8035ded4 3050 struct pending_cmd *cmd;
e9a416b5 3051
2e58ef3e 3052 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3053 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3054 continue;
3055
e9a416b5
JH		 3056 if (cmd->user_data != conn)
3057 continue;
3058
3059 return cmd;
3060 }
3061
3062 return NULL;
3063}
3064
3065static void pairing_complete(struct pending_cmd *cmd, u8 status)
3066{
3067 struct mgmt_rp_pair_device rp;
3068 struct hci_conn *conn = cmd->user_data;
3069
61b1a7fb
JH		 3070 bacpy(&rp.addr.bdaddr, &conn->dst);
3071 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3072
aee9b218 3073 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 3074 &rp, sizeof(rp));
e9a416b5
JH		 3075
3076 /* So we don't get further callbacks for this connection */
3077 conn->connect_cfm_cb = NULL;
3078 conn->security_cfm_cb = NULL;
3079 conn->disconn_cfm_cb = NULL;
3080
76a68ba0 3081 hci_conn_drop(conn);
f8aaf9b6 3082 hci_conn_put(conn);
e9a416b5 3083
a664b5bc 3084 mgmt_pending_remove(cmd);
89cbb063
AA		 3085
3086 /* The device is paired so there is no need to remove
3087 * its connection parameters anymore.
3088 */
3089 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
e9a416b5
JH		 3090}
3091
f4a407be
JH		 3092void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3093{
3094 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3095 struct pending_cmd *cmd;
3096
3097 cmd = find_pairing(conn);
3098 if (cmd)
3099 pairing_complete(cmd, status);
3100}
3101
e9a416b5
JH		 3102static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3103{
3104 struct pending_cmd *cmd;
3105
3106 BT_DBG("status %u", status);
3107
3108 cmd = find_pairing(conn);
56e5cb86 3109 if (!cmd)
e9a416b5 3110 BT_DBG("Unable to find a pending command");
56e5cb86 3111 else
e211326c 3112 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH		 3113}
3114
f4a407be 3115static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739
VA		 3116{
3117 struct pending_cmd *cmd;
3118
3119 BT_DBG("status %u", status);
3120
3121 if (!status)
3122 return;
3123
3124 cmd = find_pairing(conn);
3125 if (!cmd)
3126 BT_DBG("Unable to find a pending command");
3127 else
3128 pairing_complete(cmd, mgmt_status(status));
3129}
3130
bdb6d971 3131static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3132 u16 len)
e9a416b5 3133{
650f726d 3134 struct mgmt_cp_pair_device *cp = data;
1425acb7 3135 struct mgmt_rp_pair_device rp;
e9a416b5
JH		 3136 struct pending_cmd *cmd;
3137 u8 sec_level, auth_type;
3138 struct hci_conn *conn;
e9a416b5
JH		 3139 int err;
3140
3141 BT_DBG("");
3142
f950a30e
SJ		 3143 memset(&rp, 0, sizeof(rp));
3144 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3145 rp.addr.type = cp->addr.type;
3146
4ee71b20
JH		 3147 if (!bdaddr_type_is_valid(cp->addr.type))
3148 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3149 MGMT_STATUS_INVALID_PARAMS,
3150 &rp, sizeof(rp));
3151
4ec86d4c
JH		 3152 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
3153 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3154 MGMT_STATUS_INVALID_PARAMS,
3155 &rp, sizeof(rp));
3156
09fd0de5 3157 hci_dev_lock(hdev);
e9a416b5 3158
5f97c1df 3159 if (!hdev_is_powered(hdev)) {
f950a30e
SJ		 3160 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3161 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH		 3162 goto unlock;
3163 }
3164
c908df36 3165 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3166 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3167
6f77d8c7 3168 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3169 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3170 auth_type);
6f77d8c7
AG		 3171 } else {
3172 u8 addr_type;
3173
3174 /* Convert from L2CAP channel address type to HCI address type
3175 */
3176 if (cp->addr.type == BDADDR_LE_PUBLIC)
3177 addr_type = ADDR_LE_DEV_PUBLIC;
3178 else
3179 addr_type = ADDR_LE_DEV_RANDOM;
3180
7c264b10
MH		 3181 /* When pairing a new device, it is expected to remember
3182 * this device for future connections. Adding the connection
3183 * parameter information ahead of time allows tracking
3184 * of the slave preferred values and will speed up any
3185 * further connection establishment.
3186 *
3187 * If connection parameters already exist, then they
3188 * will be kept and this function does nothing.
3189 */
3190 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3191
6f77d8c7 3192 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
e804d25d
JH		 3193 sec_level, HCI_LE_CONN_TIMEOUT,
3194 HCI_ROLE_MASTER);
6f77d8c7 3195 }
7a512d01 3196
30e76272 3197 if (IS_ERR(conn)) {
489dc48e
AK		 3198 int status;
3199
3200 if (PTR_ERR(conn) == -EBUSY)
3201 status = MGMT_STATUS_BUSY;
3202 else
3203 status = MGMT_STATUS_CONNECT_FAILED;
3204
bdb6d971 3205 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 3206 status, &rp,
04124681 3207 sizeof(rp));
e9a416b5
JH		 3208 goto unlock;
3209 }
3210
3211 if (conn->connect_cfm_cb) {
76a68ba0 3212 hci_conn_drop(conn);
bdb6d971 3213 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 3214 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3215 goto unlock;
3216 }
3217
2e58ef3e 3218 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3219 if (!cmd) {
3220 err = -ENOMEM;
76a68ba0 3221 hci_conn_drop(conn);
e9a416b5
JH		 3222 goto unlock;
3223 }
3224
7a512d01 3225 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3226 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3227 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3228 conn->security_cfm_cb = pairing_complete_cb;
3229 conn->disconn_cfm_cb = pairing_complete_cb;
3230 } else {
3231 conn->connect_cfm_cb = le_pairing_complete_cb;
3232 conn->security_cfm_cb = le_pairing_complete_cb;
3233 conn->disconn_cfm_cb = le_pairing_complete_cb;
3234 }
7a512d01 3235
e9a416b5 3236 conn->io_capability = cp->io_cap;
f8aaf9b6 3237 cmd->user_data = hci_conn_get(conn);
e9a416b5 3238
6f78fd4b 3239 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
e7cafc45 3240 hci_conn_security(conn, sec_level, auth_type, true))
e9a416b5
JH		 3241 pairing_complete(cmd, 0);
3242
3243 err = 0;
3244
3245unlock:
09fd0de5 3246 hci_dev_unlock(hdev);
e9a416b5
JH		 3247 return err;
3248}
3249
04124681
GP		 3250static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3251 u16 len)
28424707 3252{
0f4e68cf 3253 struct mgmt_addr_info *addr = data;
28424707
JH		 3254 struct pending_cmd *cmd;
3255 struct hci_conn *conn;
3256 int err;
3257
3258 BT_DBG("");
3259
28424707
JH		 3260 hci_dev_lock(hdev);
3261
5f97c1df 3262 if (!hdev_is_powered(hdev)) {
bdb6d971 3263 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3264 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3265 goto unlock;
3266 }
3267
28424707
JH		 3268 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3269 if (!cmd) {
bdb6d971 3270 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3271 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3272 goto unlock;
3273 }
3274
3275 conn = cmd->user_data;
3276
3277 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 3278 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3279 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3280 goto unlock;
3281 }
3282
3283 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
3284
bdb6d971 3285 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 3286 addr, sizeof(*addr));
28424707
JH		 3287unlock:
3288 hci_dev_unlock(hdev);
28424707
JH		 3289 return err;
3290}
3291
bdb6d971 3292static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3293 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3294 u16 hci_op, __le32 passkey)
a5c29683 3295{
a5c29683 3296 struct pending_cmd *cmd;
0df4c185 3297 struct hci_conn *conn;
a5c29683
JH		 3298 int err;
3299
09fd0de5 3300 hci_dev_lock(hdev);
08ba5382 3301
4b34ee78 3302 if (!hdev_is_powered(hdev)) {
feb94d3d
JH		 3303 err = cmd_complete(sk, hdev->id, mgmt_op,
3304 MGMT_STATUS_NOT_POWERED, addr,
3305 sizeof(*addr));
0df4c185 3306 goto done;
a5c29683
JH		 3307 }
3308
1707c60e
JH		 3309 if (addr->type == BDADDR_BREDR)
3310 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3311 else
1707c60e 3312 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3313
3314 if (!conn) {
feb94d3d
JH		 3315 err = cmd_complete(sk, hdev->id, mgmt_op,
3316 MGMT_STATUS_NOT_CONNECTED, addr,
3317 sizeof(*addr));
272d90df
JH		 3318 goto done;
3319 }
47c15e2b 3320
1707c60e 3321 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3322 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3323 if (!err)
feb94d3d
JH		 3324 err = cmd_complete(sk, hdev->id, mgmt_op,
3325 MGMT_STATUS_SUCCESS, addr,
3326 sizeof(*addr));
5fe57d9e 3327 else
feb94d3d
JH		 3328 err = cmd_complete(sk, hdev->id, mgmt_op,
3329 MGMT_STATUS_FAILED, addr,
3330 sizeof(*addr));
47c15e2b 3331
47c15e2b
BG		 3332 goto done;
3333 }
3334
1707c60e 3335 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3336 if (!cmd) {
3337 err = -ENOMEM;
0df4c185 3338 goto done;
a5c29683
JH		 3339 }
3340
0df4c185 3341 /* Continue with pairing via HCI */
604086b7
BG		 3342 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3343 struct hci_cp_user_passkey_reply cp;
3344
1707c60e 3345 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3346 cp.passkey = passkey;
3347 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3348 } else
1707c60e
JH		 3349 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3350 &addr->bdaddr);
604086b7 3351
a664b5bc
JH		 3352 if (err < 0)
3353 mgmt_pending_remove(cmd);
a5c29683 3354
0df4c185 3355done:
09fd0de5 3356 hci_dev_unlock(hdev);
a5c29683
JH		 3357 return err;
3358}
3359
afeb019d
JK		 3360static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3361 void *data, u16 len)
3362{
3363 struct mgmt_cp_pin_code_neg_reply *cp = data;
3364
3365 BT_DBG("");
3366
1707c60e 3367 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3368 MGMT_OP_PIN_CODE_NEG_REPLY,
3369 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3370}
3371
04124681
GP		 3372static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3373 u16 len)
0df4c185 3374{
650f726d 3375 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3376
3377 BT_DBG("");
3378
3379 if (len != sizeof(*cp))
bdb6d971 3380 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 3381 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3382
1707c60e 3383 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3384 MGMT_OP_USER_CONFIRM_REPLY,
3385 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3386}
3387
bdb6d971 3388static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3389 void *data, u16 len)
0df4c185 3390{
c9c2659f 3391 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3392
3393 BT_DBG("");
3394
1707c60e 3395 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3396 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3397 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3398}
3399
04124681
GP		 3400static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3401 u16 len)
604086b7 3402{
650f726d 3403 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3404
3405 BT_DBG("");
3406
1707c60e 3407 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3408 MGMT_OP_USER_PASSKEY_REPLY,
3409 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3410}
3411
bdb6d971 3412static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3413 void *data, u16 len)
604086b7 3414{
650f726d 3415 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3416
3417 BT_DBG("");
3418
1707c60e 3419 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3420 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3421 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3422}
3423
13928971 3424static void update_name(struct hci_request *req)
2b4bf397 3425{
13928971 3426 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3427 struct hci_cp_write_local_name cp;
3428
13928971 3429 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3430
890ea898 3431 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3432}
3433
13928971
JH		 3434static void set_name_complete(struct hci_dev *hdev, u8 status)
3435{
3436 struct mgmt_cp_set_local_name *cp;
3437 struct pending_cmd *cmd;
3438
3439 BT_DBG("status 0x%02x", status);
3440
3441 hci_dev_lock(hdev);
3442
3443 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3444 if (!cmd)
3445 goto unlock;
3446
3447 cp = cmd->param;
3448
3449 if (status)
3450 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3451 mgmt_status(status));
3452 else
3453 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3454 cp, sizeof(*cp));
3455
3456 mgmt_pending_remove(cmd);
3457
3458unlock:
3459 hci_dev_unlock(hdev);
3460}
3461
bdb6d971 3462static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3463 u16 len)
b312b161 3464{
2b4bf397 3465 struct mgmt_cp_set_local_name *cp = data;
b312b161 3466 struct pending_cmd *cmd;
890ea898 3467 struct hci_request req;
b312b161
JH		 3468 int err;
3469
3470 BT_DBG("");
3471
09fd0de5 3472 hci_dev_lock(hdev);
b312b161 3473
b3f2ca94
JH		 3474 /* If the old values are the same as the new ones just return a
3475 * direct command complete event.
3476 */
3477 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3478 !memcmp(hdev->short_name, cp->short_name,
3479 sizeof(hdev->short_name))) {
3480 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3481 data, len);
3482 goto failed;
3483 }
3484
2b4bf397 3485 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3486
b5235a65 3487 if (!hdev_is_powered(hdev)) {
2b4bf397 3488 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH		 3489
3490 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 3491 data, len);
28cc7bde
JH		 3492 if (err < 0)
3493 goto failed;
3494
3495 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 3496 sk);
28cc7bde 3497
b5235a65
JH		 3498 goto failed;
3499 }
3500
28cc7bde 3501 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3502 if (!cmd) {
3503 err = -ENOMEM;
3504 goto failed;
3505 }
3506
13928971
JH		 3507 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3508
890ea898 3509 hci_req_init(&req, hdev);
3f985050
JH		 3510
3511 if (lmp_bredr_capable(hdev)) {
3512 update_name(&req);
3513 update_eir(&req);
3514 }
3515
7a5f4990
MH		 3516 /* The name is stored in the scan response data and so
3517 * no need to udpate the advertising data here.
3518 */
3f985050 3519 if (lmp_le_capable(hdev))
7a5f4990 3520 update_scan_rsp_data(&req);
3f985050 3521
13928971 3522 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3523 if (err < 0)
3524 mgmt_pending_remove(cmd);
3525
3526failed:
09fd0de5 3527 hci_dev_unlock(hdev);
b312b161
JH		 3528 return err;
3529}
3530
0f4e68cf 3531static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3532 void *data, u16 data_len)
c35938b2 3533{
c35938b2
SJ		 3534 struct pending_cmd *cmd;
3535 int err;
3536
bdb6d971 3537 BT_DBG("%s", hdev->name);
c35938b2 3538
09fd0de5 3539 hci_dev_lock(hdev);
c35938b2 3540
4b34ee78 3541 if (!hdev_is_powered(hdev)) {
bdb6d971 3542 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3543 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3544 goto unlock;
3545 }
3546
9a1a1996 3547 if (!lmp_ssp_capable(hdev)) {
bdb6d971 3548 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3549 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3550 goto unlock;
3551 }
3552
2e58ef3e 3553 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 3554 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3555 MGMT_STATUS_BUSY);
c35938b2
SJ		 3556 goto unlock;
3557 }
3558
2e58ef3e 3559 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3560 if (!cmd) {
3561 err = -ENOMEM;
3562 goto unlock;
3563 }
3564
4d2d2796
MH		 3565 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
3566 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
3567 0, NULL);
3568 else
3569 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3570
c35938b2
SJ		 3571 if (err < 0)
3572 mgmt_pending_remove(cmd);
3573
3574unlock:
09fd0de5 3575 hci_dev_unlock(hdev);
c35938b2
SJ		 3576 return err;
3577}
3578
bdb6d971 3579static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3580 void *data, u16 len)
2763eda6 3581{
2763eda6
SJ		 3582 int err;
3583
bdb6d971 3584 BT_DBG("%s ", hdev->name);
2763eda6 3585
09fd0de5 3586 hci_dev_lock(hdev);
2763eda6 3587
ec109113
MH		 3588 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3589 struct mgmt_cp_add_remote_oob_data *cp = data;
3590 u8 status;
bf1e3541 3591
c19a495c
JH		 3592 if (cp->addr.type != BDADDR_BREDR) {
3593 err = cmd_complete(sk, hdev->id,
3594 MGMT_OP_ADD_REMOTE_OOB_DATA,
3595 MGMT_STATUS_INVALID_PARAMS,
3596 &cp->addr, sizeof(cp->addr));
3597 goto unlock;
3598 }
3599
ec109113 3600 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
38da1703 3601 cp->hash, cp->rand);
ec109113
MH		 3602 if (err < 0)
3603 status = MGMT_STATUS_FAILED;
3604 else
3605 status = MGMT_STATUS_SUCCESS;
3606
3607 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3608 status, &cp->addr, sizeof(cp->addr));
3609 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3610 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
3611 u8 status;
3612
c19a495c
JH		 3613 if (cp->addr.type != BDADDR_BREDR) {
3614 err = cmd_complete(sk, hdev->id,
3615 MGMT_OP_ADD_REMOTE_OOB_DATA,
3616 MGMT_STATUS_INVALID_PARAMS,
3617 &cp->addr, sizeof(cp->addr));
3618 goto unlock;
3619 }
3620
ec109113 3621 err = hci_add_remote_oob_ext_data(hdev, &cp->addr.bdaddr,
38da1703
JH		 3622 cp->hash192, cp->rand192,
3623 cp->hash256, cp->rand256);
ec109113
MH		 3624 if (err < 0)
3625 status = MGMT_STATUS_FAILED;
3626 else
3627 status = MGMT_STATUS_SUCCESS;
3628
3629 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3630 status, &cp->addr, sizeof(cp->addr));
3631 } else {
3632 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3633 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3634 MGMT_STATUS_INVALID_PARAMS);
3635 }
2763eda6 3636
c19a495c 3637unlock:
09fd0de5 3638 hci_dev_unlock(hdev);
2763eda6
SJ		 3639 return err;
3640}
3641
bdb6d971 3642static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3643 void *data, u16 len)
2763eda6 3644{
650f726d 3645 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3646 u8 status;
2763eda6
SJ		 3647 int err;
3648
bdb6d971 3649 BT_DBG("%s", hdev->name);
2763eda6 3650
c19a495c
JH		 3651 if (cp->addr.type != BDADDR_BREDR)
3652 return cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3653 MGMT_STATUS_INVALID_PARAMS,
3654 &cp->addr, sizeof(cp->addr));
3655
09fd0de5 3656 hci_dev_lock(hdev);
2763eda6 3657
eedbd581
JH		 3658 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
3659 hci_remote_oob_data_clear(hdev);
3660 status = MGMT_STATUS_SUCCESS;
3661 goto done;
3662 }
3663
664ce4cc 3664 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2763eda6 3665 if (err < 0)
bf1e3541 3666 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3667 else
a6785be2 3668 status = MGMT_STATUS_SUCCESS;
bf1e3541 3669
eedbd581 3670done:
bdb6d971 3671 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3672 status, &cp->addr, sizeof(cp->addr));
2763eda6 3673
09fd0de5 3674 hci_dev_unlock(hdev);
2763eda6
SJ		 3675 return err;
3676}
3677
41dc2bd6
AG		 3678static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3679{
3680 struct pending_cmd *cmd;
3681 u8 type;
3682 int err;
3683
3684 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3685
3686 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3687 if (!cmd)
3688 return -ENOENT;
3689
3690 type = hdev->discovery.type;
3691
3692 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3693 &type, sizeof(type));
3694 mgmt_pending_remove(cmd);
3695
3696 return err;
3697}
3698
7c307720
AG		 3699static void start_discovery_complete(struct hci_dev *hdev, u8 status)
3700{
ae55f598
LR		 3701 unsigned long timeout = 0;
3702
7c307720
AG		 3703 BT_DBG("status %d", status);
3704
3705 if (status) {
3706 hci_dev_lock(hdev);
3707 mgmt_start_discovery_failed(hdev, status);
3708 hci_dev_unlock(hdev);
3709 return;
3710 }
3711
3712 hci_dev_lock(hdev);
3713 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
3714 hci_dev_unlock(hdev);
3715
3716 switch (hdev->discovery.type) {
3717 case DISCOV_TYPE_LE:
3d5a76f0 3718 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720
AG		 3719 break;
3720
3721 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3722 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720
AG		 3723 break;
3724
3725 case DISCOV_TYPE_BREDR:
3726 break;
3727
3728 default:
3729 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
3730 }
ae55f598
LR		 3731
3732 if (!timeout)
3733 return;
3734
3735 queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout);
7c307720
AG		 3736}
3737
bdb6d971 3738static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3739 void *data, u16 len)
14a53664 3740{
650f726d 3741 struct mgmt_cp_start_discovery *cp = data;
14a53664 3742 struct pending_cmd *cmd;
7c307720
AG		 3743 struct hci_cp_le_set_scan_param param_cp;
3744 struct hci_cp_le_set_scan_enable enable_cp;
3745 struct hci_cp_inquiry inq_cp;
3746 struct hci_request req;
3747 /* General inquiry access code (GIAC) */
3748 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3749 u8 status, own_addr_type;
14a53664
JH		 3750 int err;
3751
bdb6d971 3752 BT_DBG("%s", hdev->name);
14a53664 3753
09fd0de5 3754 hci_dev_lock(hdev);
14a53664 3755
4b34ee78 3756 if (!hdev_is_powered(hdev)) {
a736abc1
SJ		 3757 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3758 MGMT_STATUS_NOT_POWERED,
3759 &cp->type, sizeof(cp->type));
bd2d1334
JH		 3760 goto failed;
3761 }
3762
642be6c7 3763 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
a736abc1
SJ		 3764 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3765 MGMT_STATUS_BUSY, &cp->type,
3766 sizeof(cp->type));
642be6c7
AG		 3767 goto failed;
3768 }
3769
ff9ef578 3770 if (hdev->discovery.state != DISCOVERY_STOPPED) {
a736abc1
SJ		 3771 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3772 MGMT_STATUS_BUSY, &cp->type,
3773 sizeof(cp->type));
ff9ef578
JH		 3774 goto failed;
3775 }
3776
2e58ef3e 3777 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3778 if (!cmd) {
3779 err = -ENOMEM;
3780 goto failed;
3781 }
3782
4aab14e5
AG		 3783 hdev->discovery.type = cp->type;
3784
7c307720
AG		 3785 hci_req_init(&req, hdev);
3786
4aab14e5 3787 switch (hdev->discovery.type) {
f39799f5 3788 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3789 status = mgmt_bredr_support(hdev);
3790 if (status) {
a736abc1
SJ		 3791 err = cmd_complete(sk, hdev->id,
3792 MGMT_OP_START_DISCOVERY, status,
3793 &cp->type, sizeof(cp->type));
04106755
JH		 3794 mgmt_pending_remove(cmd);
3795 goto failed;
3796 }
3797
7c307720 3798 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
a736abc1
SJ		 3799 err = cmd_complete(sk, hdev->id,
3800 MGMT_OP_START_DISCOVERY,
3801 MGMT_STATUS_BUSY, &cp->type,
3802 sizeof(cp->type));
7c307720
AG		 3803 mgmt_pending_remove(cmd);
3804 goto failed;
3805 }
3806
3807 hci_inquiry_cache_flush(hdev);
3808
3809 memset(&inq_cp, 0, sizeof(inq_cp));
3810 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3811 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3812 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3813 break;
3814
3815 case DISCOV_TYPE_LE:
7c307720 3816 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3817 status = mgmt_le_support(hdev);
3818 if (status) {
a736abc1
SJ		 3819 err = cmd_complete(sk, hdev->id,
3820 MGMT_OP_START_DISCOVERY, status,
3821 &cp->type, sizeof(cp->type));
04106755
JH		 3822 mgmt_pending_remove(cmd);
3823 goto failed;
3824 }
3825
7c307720 3826 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3827 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
a736abc1
SJ		 3828 err = cmd_complete(sk, hdev->id,
3829 MGMT_OP_START_DISCOVERY,
3830 MGMT_STATUS_NOT_SUPPORTED,
3831 &cp->type, sizeof(cp->type));
04106755
JH		 3832 mgmt_pending_remove(cmd);
3833 goto failed;
3834 }
3835
e8bb6b97
JH		 3836 if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
3837 /* Don't let discovery abort an outgoing
3838 * connection attempt that's using directed
3839 * advertising.
3840 */
3841 if (hci_conn_hash_lookup_state(hdev, LE_LINK,
3842 BT_CONNECT)) {
a736abc1
SJ		 3843 err = cmd_complete(sk, hdev->id,
3844 MGMT_OP_START_DISCOVERY,
3845 MGMT_STATUS_REJECTED,
3846 &cp->type,
3847 sizeof(cp->type));
e8bb6b97
JH		 3848 mgmt_pending_remove(cmd);
3849 goto failed;
3850 }
3851
3852 disable_advertising(&req);
7c307720
AG		 3853 }
3854
c54c3860
AG		 3855 /* If controller is scanning, it means the background scanning
3856 * is running. Thus, we should temporarily stop it in order to
3857 * set the discovery scanning parameters.
3858 */
3859 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3860 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3861
3862 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3863
94b1fc92
MH		 3864 /* All active scans will be done with either a resolvable
3865 * private address (when privacy feature has been enabled)
3866 * or unresolvable private address.
3867 */
3868 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943 3869 if (err < 0) {
a736abc1
SJ		 3870 err = cmd_complete(sk, hdev->id,
3871 MGMT_OP_START_DISCOVERY,
3872 MGMT_STATUS_FAILED,
3873 &cp->type, sizeof(cp->type));
d9483943
JH		 3874 mgmt_pending_remove(cmd);
3875 goto failed;
3876 }
3877
7c307720 3878 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3879 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3880 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3881 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3882 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3883 &param_cp);
3884
3885 memset(&enable_cp, 0, sizeof(enable_cp));
3886 enable_cp.enable = LE_SCAN_ENABLE;
3887 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3888 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3889 &enable_cp);
5e0452c0
AG		 3890 break;
3891
f39799f5 3892 default:
a736abc1
SJ		 3893 err = cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3894 MGMT_STATUS_INVALID_PARAMS,
3895 &cp->type, sizeof(cp->type));
04106755
JH		 3896 mgmt_pending_remove(cmd);
3897 goto failed;
f39799f5 3898 }
3fd24153 3899
7c307720 3900 err = hci_req_run(&req, start_discovery_complete);
14a53664
JH		 3901 if (err < 0)
3902 mgmt_pending_remove(cmd);
ff9ef578
JH		 3903 else
3904 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3905
3906failed:
09fd0de5 3907 hci_dev_unlock(hdev);
14a53664
JH		 3908 return err;
3909}
3910
1183fdca
AG		 3911static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3912{
3913 struct pending_cmd *cmd;
3914 int err;
3915
3916 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3917 if (!cmd)
3918 return -ENOENT;
3919
3920 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3921 &hdev->discovery.type, sizeof(hdev->discovery.type));
3922 mgmt_pending_remove(cmd);
3923
3924 return err;
3925}
3926
0e05bba6
AG		 3927static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
3928{
3929 BT_DBG("status %d", status);
3930
3931 hci_dev_lock(hdev);
3932
3933 if (status) {
3934 mgmt_stop_discovery_failed(hdev, status);
3935 goto unlock;
3936 }
3937
3938 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3939
3940unlock:
3941 hci_dev_unlock(hdev);
3942}
3943
bdb6d971 3944static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3945 u16 len)
14a53664 3946{
d930650b 3947 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3948 struct pending_cmd *cmd;
0e05bba6 3949 struct hci_request req;
14a53664
JH		 3950 int err;
3951
bdb6d971 3952 BT_DBG("%s", hdev->name);
14a53664 3953
09fd0de5 3954 hci_dev_lock(hdev);
14a53664 3955
30dc78e1 3956 if (!hci_discovery_active(hdev)) {
bdb6d971 3957 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3958 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3959 sizeof(mgmt_cp->type));
d930650b
JH		 3960 goto unlock;
3961 }
3962
3963 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3964 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3965 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3966 sizeof(mgmt_cp->type));
30dc78e1 3967 goto unlock;
ff9ef578
JH		 3968 }
3969
2e58ef3e 3970 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3971 if (!cmd) {
3972 err = -ENOMEM;
30dc78e1
JH		 3973 goto unlock;
3974 }
3975
0e05bba6
AG		 3976 hci_req_init(&req, hdev);
3977
21a60d30 3978 hci_stop_discovery(&req);
e0d9727e 3979
21a60d30
JH		 3980 err = hci_req_run(&req, stop_discovery_complete);
3981 if (!err) {
3982 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3983 goto unlock;
14a53664
JH		 3984 }
3985
21a60d30
JH		 3986 mgmt_pending_remove(cmd);
3987
3988 /* If no HCI commands were sent we're done */
3989 if (err == -ENODATA) {
3990 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3991 &mgmt_cp->type, sizeof(mgmt_cp->type));
3992 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3993 }
14a53664 3994
30dc78e1 3995unlock:
09fd0de5 3996 hci_dev_unlock(hdev);
14a53664
JH		 3997 return err;
3998}
3999
bdb6d971 4000static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4001 u16 len)
561aafbc 4002{
650f726d 4003 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4004 struct inquiry_entry *e;
561aafbc
JH		 4005 int err;
4006
bdb6d971 4007 BT_DBG("%s", hdev->name);
561aafbc 4008
561aafbc
JH		 4009 hci_dev_lock(hdev);
4010
30dc78e1 4011 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 4012 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4013 MGMT_STATUS_FAILED, &cp->addr,
4014 sizeof(cp->addr));
30dc78e1
JH		 4015 goto failed;
4016 }
4017
a198e7b1 4018 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4019 if (!e) {
d3a2541d
LR		 4020 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4021 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4022 sizeof(cp->addr));
561aafbc
JH		 4023 goto failed;
4024 }
4025
4026 if (cp->name_known) {
4027 e->name_state = NAME_KNOWN;
4028 list_del(&e->list);
4029 } else {
4030 e->name_state = NAME_NEEDED;
a3d4e20a 4031 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4032 }
4033
e384662b
JH		 4034 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
4035 sizeof(cp->addr));
561aafbc
JH		 4036
4037failed:
4038 hci_dev_unlock(hdev);
561aafbc
JH		 4039 return err;
4040}
4041
bdb6d971 4042static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4043 u16 len)
7fbec224 4044{
650f726d 4045 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4046 u8 status;
7fbec224
AJ		 4047 int err;
4048
bdb6d971 4049 BT_DBG("%s", hdev->name);
7fbec224 4050
4ee71b20 4051 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4052 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4053 MGMT_STATUS_INVALID_PARAMS,
4054 &cp->addr, sizeof(cp->addr));
4ee71b20 4055
09fd0de5 4056 hci_dev_lock(hdev);
5e762444 4057
dcc36c16
JH		 4058 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4059 cp->addr.type);
2a8357f2 4060 if (err < 0) {
f0eeea8b 4061 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4062 goto done;
4063 }
4064
4065 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4066 sk);
4067 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4068
2a8357f2 4069done:
bdb6d971 4070 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 4071 &cp->addr, sizeof(cp->addr));
5e762444 4072
09fd0de5 4073 hci_dev_unlock(hdev);
7fbec224
AJ		 4074
4075 return err;
4076}
4077
bdb6d971 4078static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4079 u16 len)
7fbec224 4080{
650f726d 4081 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4082 u8 status;
7fbec224
AJ		 4083 int err;
4084
bdb6d971 4085 BT_DBG("%s", hdev->name);
7fbec224 4086
4ee71b20 4087 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4088 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4089 MGMT_STATUS_INVALID_PARAMS,
4090 &cp->addr, sizeof(cp->addr));
4ee71b20 4091
09fd0de5 4092 hci_dev_lock(hdev);
5e762444 4093
dcc36c16
JH		 4094 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4095 cp->addr.type);
2a8357f2 4096 if (err < 0) {
f0eeea8b 4097 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4098 goto done;
4099 }
4100
4101 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4102 sk);
4103 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4104
2a8357f2 4105done:
bdb6d971 4106 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 4107 &cp->addr, sizeof(cp->addr));
5e762444 4108
09fd0de5 4109 hci_dev_unlock(hdev);
7fbec224
AJ		 4110
4111 return err;
4112}
4113
cdbaccca
MH		 4114static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4115 u16 len)
4116{
4117 struct mgmt_cp_set_device_id *cp = data;
890ea898 4118 struct hci_request req;
cdbaccca 4119 int err;
c72d4b8a 4120 __u16 source;
cdbaccca
MH		 4121
4122 BT_DBG("%s", hdev->name);
4123
c72d4b8a
SJ		 4124 source = __le16_to_cpu(cp->source);
4125
4126 if (source > 0x0002)
4127 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4128 MGMT_STATUS_INVALID_PARAMS);
4129
cdbaccca
MH		 4130 hci_dev_lock(hdev);
4131
c72d4b8a 4132 hdev->devid_source = source;
cdbaccca
MH		 4133 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4134 hdev->devid_product = __le16_to_cpu(cp->product);
4135 hdev->devid_version = __le16_to_cpu(cp->version);
4136
4137 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
4138
890ea898
JH		 4139 hci_req_init(&req, hdev);
4140 update_eir(&req);
4141 hci_req_run(&req, NULL);
cdbaccca
MH		 4142
4143 hci_dev_unlock(hdev);
4144
4145 return err;
4146}
4147
4375f103
JH		 4148static void set_advertising_complete(struct hci_dev *hdev, u8 status)
4149{
4150 struct cmd_lookup match = { NULL, hdev };
4151
4152 if (status) {
4153 u8 mgmt_err = mgmt_status(status);
4154
4155 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4156 cmd_status_rsp, &mgmt_err);
4157 return;
4158 }
4159
c93bd150
JH		 4160 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
4161 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
4162 else
4163 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
4164
4375f103
JH		 4165 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4166 &match);
4167
4168 new_settings(hdev, match.sk);
4169
4170 if (match.sk)
4171 sock_put(match.sk);
4172}
4173
21b5187f
MH		 4174static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4175 u16 len)
4375f103
JH		 4176{
4177 struct mgmt_mode *cp = data;
4178 struct pending_cmd *cmd;
4179 struct hci_request req;
e6fe7986 4180 u8 val, enabled, status;
4375f103
JH		 4181 int err;
4182
4183 BT_DBG("request for %s", hdev->name);
4184
e6fe7986
JH		 4185 status = mgmt_le_support(hdev);
4186 if (status)
4375f103 4187 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 4188 status);
4375f103
JH		 4189
4190 if (cp->val != 0x00 && cp->val != 0x01)
4191 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4192 MGMT_STATUS_INVALID_PARAMS);
4193
4194 hci_dev_lock(hdev);
4195
4196 val = !!cp->val;
f3d3444a 4197 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 4198
f74ca9b8
JH		 4199 /* The following conditions are ones which mean that we should
4200 * not do any HCI communication but directly send a mgmt
4201 * response to user space (after toggling the flag if
4202 * necessary).
4203 */
4204 if (!hdev_is_powered(hdev) || val == enabled ||
e8bb6b97
JH		 4205 hci_conn_num(hdev, LE_LINK) > 0 ||
4206 (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4207 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4375f103
JH		 4208 bool changed = false;
4209
f3d3444a
JH		 4210 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
4211 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 4212 changed = true;
4213 }
4214
4215 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4216 if (err < 0)
4217 goto unlock;
4218
4219 if (changed)
4220 err = new_settings(hdev, sk);
4221
4222 goto unlock;
4223 }
4224
4225 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4226 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
4227 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4228 MGMT_STATUS_BUSY);
4229 goto unlock;
4230 }
4231
4232 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4233 if (!cmd) {
4234 err = -ENOMEM;
4235 goto unlock;
4236 }
4237
4238 hci_req_init(&req, hdev);
4239
bba3aa55
MH		 4240 if (val)
4241 enable_advertising(&req);
4242 else
4243 disable_advertising(&req);
4375f103
JH		 4244
4245 err = hci_req_run(&req, set_advertising_complete);
4246 if (err < 0)
4247 mgmt_pending_remove(cmd);
4248
4249unlock:
4250 hci_dev_unlock(hdev);
4251 return err;
4252}
4253
d13eafce
MH		 4254static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4255 void *data, u16 len)
4256{
4257 struct mgmt_cp_set_static_address *cp = data;
4258 int err;
4259
4260 BT_DBG("%s", hdev->name);
4261
62af4443 4262 if (!lmp_le_capable(hdev))
d13eafce 4263 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 4264 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4265
4266 if (hdev_is_powered(hdev))
4267 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4268 MGMT_STATUS_REJECTED);
4269
4270 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4271 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4272 return cmd_status(sk, hdev->id,
4273 MGMT_OP_SET_STATIC_ADDRESS,
4274 MGMT_STATUS_INVALID_PARAMS);
4275
4276 /* Two most significant bits shall be set */
4277 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4278 return cmd_status(sk, hdev->id,
4279 MGMT_OP_SET_STATIC_ADDRESS,
4280 MGMT_STATUS_INVALID_PARAMS);
4281 }
4282
4283 hci_dev_lock(hdev);
4284
4285 bacpy(&hdev->static_addr, &cp->bdaddr);
4286
4287 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
4288
4289 hci_dev_unlock(hdev);
4290
4291 return err;
4292}
4293
14b49b9a
MH		 4294static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4295 void *data, u16 len)
4296{
4297 struct mgmt_cp_set_scan_params *cp = data;
4298 __u16 interval, window;
4299 int err;
4300
4301 BT_DBG("%s", hdev->name);
4302
4303 if (!lmp_le_capable(hdev))
4304 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4305 MGMT_STATUS_NOT_SUPPORTED);
4306
4307 interval = __le16_to_cpu(cp->interval);
4308
4309 if (interval < 0x0004 || interval > 0x4000)
4310 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4311 MGMT_STATUS_INVALID_PARAMS);
4312
4313 window = __le16_to_cpu(cp->window);
4314
4315 if (window < 0x0004 || window > 0x4000)
4316 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4317 MGMT_STATUS_INVALID_PARAMS);
4318
899e1075
MH		 4319 if (window > interval)
4320 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4321 MGMT_STATUS_INVALID_PARAMS);
4322
14b49b9a
MH		 4323 hci_dev_lock(hdev);
4324
4325 hdev->le_scan_interval = interval;
4326 hdev->le_scan_window = window;
4327
4328 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4329
dd2ef8e2
AG		 4330 /* If background scan is running, restart it so new parameters are
4331 * loaded.
4332 */
4333 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4334 hdev->discovery.state == DISCOVERY_STOPPED) {
4335 struct hci_request req;
4336
4337 hci_req_init(&req, hdev);
4338
4339 hci_req_add_le_scan_disable(&req);
4340 hci_req_add_le_passive_scan(&req);
4341
4342 hci_req_run(&req, NULL);
4343 }
4344
14b49b9a
MH		 4345 hci_dev_unlock(hdev);
4346
4347 return err;
4348}
4349
33e38b3e
JH		 4350static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4351{
4352 struct pending_cmd *cmd;
4353
4354 BT_DBG("status 0x%02x", status);
4355
4356 hci_dev_lock(hdev);
4357
4358 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4359 if (!cmd)
4360 goto unlock;
4361
4362 if (status) {
4363 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4364 mgmt_status(status));
4365 } else {
1a4d3c4b
JH		 4366 struct mgmt_mode *cp = cmd->param;
4367
4368 if (cp->val)
4369 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4370 else
4371 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4372
33e38b3e
JH		 4373 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4374 new_settings(hdev, cmd->sk);
4375 }
4376
4377 mgmt_pending_remove(cmd);
4378
4379unlock:
4380 hci_dev_unlock(hdev);
4381}
4382
bdb6d971 4383static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4384 void *data, u16 len)
f6422ec6 4385{
650f726d 4386 struct mgmt_mode *cp = data;
33e38b3e
JH		 4387 struct pending_cmd *cmd;
4388 struct hci_request req;
f6422ec6
AJ		 4389 int err;
4390
bdb6d971 4391 BT_DBG("%s", hdev->name);
f6422ec6 4392
56f87901
JH		 4393 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4394 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4395 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4396 MGMT_STATUS_NOT_SUPPORTED);
4397
a7e80f25
JH		 4398 if (cp->val != 0x00 && cp->val != 0x01)
4399 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4400 MGMT_STATUS_INVALID_PARAMS);
4401
5400c044 4402 if (!hdev_is_powered(hdev))
bdb6d971 4403 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4404 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4405
4406 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4407 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4408 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4409
4410 hci_dev_lock(hdev);
4411
05cbf29f
JH		 4412 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4413 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4414 MGMT_STATUS_BUSY);
4415 goto unlock;
4416 }
4417
1a4d3c4b
JH		 4418 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4419 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4420 hdev);
4421 goto unlock;
4422 }
4423
33e38b3e
JH		 4424 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4425 data, len);
4426 if (!cmd) {
4427 err = -ENOMEM;
4428 goto unlock;
f6422ec6
AJ		 4429 }
4430
33e38b3e
JH		 4431 hci_req_init(&req, hdev);
4432
406d7804 4433 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4434
4435 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4436 if (err < 0) {
bdb6d971 4437 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4438 MGMT_STATUS_FAILED);
33e38b3e 4439 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4440 }
4441
33e38b3e 4442unlock:
f6422ec6 4443 hci_dev_unlock(hdev);
33e38b3e 4444
f6422ec6
AJ		 4445 return err;
4446}
4447
0663ca2a
JH		 4448static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4449{
4450 struct pending_cmd *cmd;
4451
4452 BT_DBG("status 0x%02x", status);
4453
4454 hci_dev_lock(hdev);
4455
4456 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4457 if (!cmd)
4458 goto unlock;
4459
4460 if (status) {
4461 u8 mgmt_err = mgmt_status(status);
4462
4463 /* We need to restore the flag if related HCI commands
4464 * failed.
4465 */
4466 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4467
4468 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4469 } else {
4470 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4471 new_settings(hdev, cmd->sk);
4472 }
4473
4474 mgmt_pending_remove(cmd);
4475
4476unlock:
4477 hci_dev_unlock(hdev);
4478}
4479
4480static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4481{
4482 struct mgmt_mode *cp = data;
4483 struct pending_cmd *cmd;
4484 struct hci_request req;
4485 int err;
4486
4487 BT_DBG("request for %s", hdev->name);
4488
4489 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4490 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4491 MGMT_STATUS_NOT_SUPPORTED);
4492
4493 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4494 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4495 MGMT_STATUS_REJECTED);
4496
4497 if (cp->val != 0x00 && cp->val != 0x01)
4498 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4499 MGMT_STATUS_INVALID_PARAMS);
4500
4501 hci_dev_lock(hdev);
4502
4503 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4504 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4505 goto unlock;
4506 }
4507
4508 if (!hdev_is_powered(hdev)) {
4509 if (!cp->val) {
0663ca2a
JH		 4510 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4511 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4512 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4513 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4514 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4515 }
4516
4517 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4518
4519 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4520 if (err < 0)
4521 goto unlock;
4522
4523 err = new_settings(hdev, sk);
4524 goto unlock;
4525 }
4526
4527 /* Reject disabling when powered on */
4528 if (!cp->val) {
4529 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4530 MGMT_STATUS_REJECTED);
4531 goto unlock;
4532 }
4533
4534 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4535 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4536 MGMT_STATUS_BUSY);
4537 goto unlock;
4538 }
4539
4540 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4541 if (!cmd) {
4542 err = -ENOMEM;
4543 goto unlock;
4544 }
4545
5947f4bc 4546 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4547 * generates the correct flags.
4548 */
4549 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4550
4551 hci_req_init(&req, hdev);
aa8af46e 4552
432df05e
JH		 4553 write_fast_connectable(&req, false);
4554 hci_update_page_scan(hdev, &req);
aa8af46e 4555
f14d8f64
MH		 4556 /* Since only the advertising data flags will change, there
4557 * is no need to update the scan response data.
4558 */
5947f4bc 4559 update_adv_data(&req);
aa8af46e 4560
0663ca2a
JH		 4561 err = hci_req_run(&req, set_bredr_complete);
4562 if (err < 0)
4563 mgmt_pending_remove(cmd);
4564
4565unlock:
4566 hci_dev_unlock(hdev);
4567 return err;
4568}
4569
eac83dc6
MH		 4570static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4571 void *data, u16 len)
4572{
4573 struct mgmt_mode *cp = data;
4574 struct pending_cmd *cmd;
0ab04a9c 4575 u8 val, status;
eac83dc6
MH		 4576 int err;
4577
4578 BT_DBG("request for %s", hdev->name);
4579
4580 status = mgmt_bredr_support(hdev);
4581 if (status)
4582 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4583 status);
4584
5afeac14 4585 if (!lmp_sc_capable(hdev) &&
111902f7 4586 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4587 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4588 MGMT_STATUS_NOT_SUPPORTED);
4589
0ab04a9c 4590 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4591 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4592 MGMT_STATUS_INVALID_PARAMS);
4593
4594 hci_dev_lock(hdev);
4595
4596 if (!hdev_is_powered(hdev)) {
4597 bool changed;
4598
0ab04a9c 4599 if (cp->val) {
eac83dc6
MH		 4600 changed = !test_and_set_bit(HCI_SC_ENABLED,
4601 &hdev->dev_flags);
0ab04a9c
MH		 4602 if (cp->val == 0x02)
4603 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4604 else
4605 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4606 } else {
eac83dc6
MH		 4607 changed = test_and_clear_bit(HCI_SC_ENABLED,
4608 &hdev->dev_flags);
0ab04a9c
MH		 4609 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4610 }
eac83dc6
MH		 4611
4612 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4613 if (err < 0)
4614 goto failed;
4615
4616 if (changed)
4617 err = new_settings(hdev, sk);
4618
4619 goto failed;
4620 }
4621
4622 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4623 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4624 MGMT_STATUS_BUSY);
4625 goto failed;
4626 }
4627
0ab04a9c
MH		 4628 val = !!cp->val;
4629
4630 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4631 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4632 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4633 goto failed;
4634 }
4635
4636 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4637 if (!cmd) {
4638 err = -ENOMEM;
4639 goto failed;
4640 }
4641
0ab04a9c 4642 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4643 if (err < 0) {
4644 mgmt_pending_remove(cmd);
4645 goto failed;
4646 }
4647
0ab04a9c
MH		 4648 if (cp->val == 0x02)
4649 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4650 else
4651 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4652
eac83dc6
MH		 4653failed:
4654 hci_dev_unlock(hdev);
4655 return err;
4656}
4657
4e39ac81
MH		 4658static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4659 void *data, u16 len)
4660{
4661 struct mgmt_mode *cp = data;
b9710979 4662 bool changed, use_changed;
4e39ac81
MH		 4663 int err;
4664
4665 BT_DBG("request for %s", hdev->name);
4666
b9710979 4667 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4668 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4669 MGMT_STATUS_INVALID_PARAMS);
4670
4671 hci_dev_lock(hdev);
4672
4673 if (cp->val)
0663b297
JH		 4674 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4675 &hdev->dev_flags);
4e39ac81 4676 else
0663b297
JH		 4677 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4678 &hdev->dev_flags);
4e39ac81 4679
b9710979
JH		 4680 if (cp->val == 0x02)
4681 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4682 &hdev->dev_flags);
4683 else
4684 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4685 &hdev->dev_flags);
4686
4687 if (hdev_is_powered(hdev) && use_changed &&
4688 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4689 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4690 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4691 sizeof(mode), &mode);
4692 }
4693
4e39ac81
MH		 4694 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4695 if (err < 0)
4696 goto unlock;
4697
4698 if (changed)
4699 err = new_settings(hdev, sk);
4700
4701unlock:
4702 hci_dev_unlock(hdev);
4703 return err;
4704}
4705
62b04cd1
JH		 4706static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4707 u16 len)
4708{
4709 struct mgmt_cp_set_privacy *cp = cp_data;
4710 bool changed;
4711 int err;
4712
4713 BT_DBG("request for %s", hdev->name);
4714
4715 if (!lmp_le_capable(hdev))
4716 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4717 MGMT_STATUS_NOT_SUPPORTED);
4718
4719 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4720 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4721 MGMT_STATUS_INVALID_PARAMS);
4722
4723 if (hdev_is_powered(hdev))
4724 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4725 MGMT_STATUS_REJECTED);
4726
4727 hci_dev_lock(hdev);
4728
c21c0ea0
JH		 4729 /* If user space supports this command it is also expected to
4730 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4731 */
4732 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4733
62b04cd1
JH		 4734 if (cp->privacy) {
4735 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4736 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4737 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4738 } else {
4739 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4740 memset(hdev->irk, 0, sizeof(hdev->irk));
4741 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4742 }
4743
4744 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4745 if (err < 0)
4746 goto unlock;
4747
4748 if (changed)
4749 err = new_settings(hdev, sk);
4750
4751unlock:
4752 hci_dev_unlock(hdev);
4753 return err;
4754}
4755
41edf160
JH		 4756static bool irk_is_valid(struct mgmt_irk_info *irk)
4757{
4758 switch (irk->addr.type) {
4759 case BDADDR_LE_PUBLIC:
4760 return true;
4761
4762 case BDADDR_LE_RANDOM:
4763 /* Two most significant bits shall be set */
4764 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4765 return false;
4766 return true;
4767 }
4768
4769 return false;
4770}
4771
4772static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4773 u16 len)
4774{
4775 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4776 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4777 sizeof(struct mgmt_irk_info));
41edf160
JH		 4778 u16 irk_count, expected_len;
4779 int i, err;
4780
4781 BT_DBG("request for %s", hdev->name);
4782
4783 if (!lmp_le_capable(hdev))
4784 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4785 MGMT_STATUS_NOT_SUPPORTED);
4786
4787 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4788 if (irk_count > max_irk_count) {
4789 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4790 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4791 MGMT_STATUS_INVALID_PARAMS);
4792 }
41edf160
JH		 4793
4794 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4795 if (expected_len != len) {
4796 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4797 expected_len, len);
41edf160
JH		 4798 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4799 MGMT_STATUS_INVALID_PARAMS);
4800 }
4801
4802 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4803
4804 for (i = 0; i < irk_count; i++) {
4805 struct mgmt_irk_info *key = &cp->irks[i];
4806
4807 if (!irk_is_valid(key))
4808 return cmd_status(sk, hdev->id,
4809 MGMT_OP_LOAD_IRKS,
4810 MGMT_STATUS_INVALID_PARAMS);
4811 }
4812
4813 hci_dev_lock(hdev);
4814
4815 hci_smp_irks_clear(hdev);
4816
4817 for (i = 0; i < irk_count; i++) {
4818 struct mgmt_irk_info *irk = &cp->irks[i];
4819 u8 addr_type;
4820
4821 if (irk->addr.type == BDADDR_LE_PUBLIC)
4822 addr_type = ADDR_LE_DEV_PUBLIC;
4823 else
4824 addr_type = ADDR_LE_DEV_RANDOM;
4825
4826 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4827 BDADDR_ANY);
4828 }
4829
4830 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4831
4832 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4833
4834 hci_dev_unlock(hdev);
4835
4836 return err;
4837}
4838
3f706b72
JH		 4839static bool ltk_is_valid(struct mgmt_ltk_info *key)
4840{
4841 if (key->master != 0x00 && key->master != 0x01)
4842 return false;
490cb0b3
MH		 4843
4844 switch (key->addr.type) {
4845 case BDADDR_LE_PUBLIC:
4846 return true;
4847
4848 case BDADDR_LE_RANDOM:
4849 /* Two most significant bits shall be set */
4850 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4851 return false;
4852 return true;
4853 }
4854
4855 return false;
3f706b72
JH		 4856}
4857
bdb6d971 4858static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4859 void *cp_data, u16 len)
346af67b 4860{
346af67b 4861 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4862 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4863 sizeof(struct mgmt_ltk_info));
346af67b 4864 u16 key_count, expected_len;
715a5bf2 4865 int i, err;
346af67b 4866
cf99ba13
MH		 4867 BT_DBG("request for %s", hdev->name);
4868
4869 if (!lmp_le_capable(hdev))
4870 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4871 MGMT_STATUS_NOT_SUPPORTED);
4872
1f350c87 4873 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4874 if (key_count > max_key_count) {
4875 BT_ERR("load_ltks: too big key_count value %u", key_count);
4876 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4877 MGMT_STATUS_INVALID_PARAMS);
4878 }
346af67b
VCG		 4879
4880 expected_len = sizeof(*cp) + key_count *
4881 sizeof(struct mgmt_ltk_info);
4882 if (expected_len != len) {
4883 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4884 expected_len, len);
bdb6d971 4885 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4886 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4887 }
4888
bdb6d971 4889 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4890
54ad6d8a
JH		 4891 for (i = 0; i < key_count; i++) {
4892 struct mgmt_ltk_info *key = &cp->keys[i];
4893
3f706b72 4894 if (!ltk_is_valid(key))
54ad6d8a
JH		 4895 return cmd_status(sk, hdev->id,
4896 MGMT_OP_LOAD_LONG_TERM_KEYS,
4897 MGMT_STATUS_INVALID_PARAMS);
4898 }
4899
346af67b
VCG		 4900 hci_dev_lock(hdev);
4901
4902 hci_smp_ltks_clear(hdev);
4903
4904 for (i = 0; i < key_count; i++) {
4905 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4906 u8 type, addr_type, authenticated;
79d95a19
MH		 4907
4908 if (key->addr.type == BDADDR_LE_PUBLIC)
4909 addr_type = ADDR_LE_DEV_PUBLIC;
4910 else
4911 addr_type = ADDR_LE_DEV_RANDOM;
346af67b 4912
61b43357
JH		 4913 switch (key->type) {
4914 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4915 authenticated = 0x00;
23fb8de3 4916 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 4917 break;
4918 case MGMT_LTK_AUTHENTICATED:
d7b25450 4919 authenticated = 0x01;
23fb8de3
JH		 4920 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4921 break;
4922 case MGMT_LTK_P256_UNAUTH:
4923 authenticated = 0x00;
4924 type = SMP_LTK_P256;
4925 break;
4926 case MGMT_LTK_P256_AUTH:
4927 authenticated = 0x01;
4928 type = SMP_LTK_P256;
61b43357 4929 break;
23fb8de3
JH		 4930 case MGMT_LTK_P256_DEBUG:
4931 authenticated = 0x00;
4932 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 4933 default:
4934 continue;
4935 }
d7b25450 4936
35d70271 4937 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4938 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4939 key->rand);
346af67b
VCG		 4940 }
4941
715a5bf2
JH		 4942 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4943 NULL, 0);
4944
346af67b 4945 hci_dev_unlock(hdev);
346af67b 4946
715a5bf2 4947 return err;
346af67b
VCG		 4948}
4949
dd983808
AK		 4950struct cmd_conn_lookup {
4951 struct hci_conn *conn;
4952 bool valid_tx_power;
4953 u8 mgmt_status;
4954};
4955
4956static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4957{
4958 struct cmd_conn_lookup *match = data;
4959 struct mgmt_cp_get_conn_info *cp;
4960 struct mgmt_rp_get_conn_info rp;
4961 struct hci_conn *conn = cmd->user_data;
4962
4963 if (conn != match->conn)
4964 return;
4965
4966 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4967
4968 memset(&rp, 0, sizeof(rp));
4969 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4970 rp.addr.type = cp->addr.type;
4971
4972 if (!match->mgmt_status) {
4973 rp.rssi = conn->rssi;
4974
eed5daf3 4975 if (match->valid_tx_power) {
dd983808 4976 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4977 rp.max_tx_power = conn->max_tx_power;
4978 } else {
dd983808 4979 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4980 rp.max_tx_power = HCI_TX_POWER_INVALID;
4981 }
dd983808
AK		 4982 }
4983
4984 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4985 match->mgmt_status, &rp, sizeof(rp));
4986
4987 hci_conn_drop(conn);
f8aaf9b6 4988 hci_conn_put(conn);
dd983808
AK		 4989
4990 mgmt_pending_remove(cmd);
4991}
4992
4993static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4994{
4995 struct hci_cp_read_rssi *cp;
4996 struct hci_conn *conn;
4997 struct cmd_conn_lookup match;
4998 u16 handle;
4999
5000 BT_DBG("status 0x%02x", status);
5001
5002 hci_dev_lock(hdev);
5003
5004 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 5005 * otherwise we assume it's not valid. At the moment we assume that
5006 * either both or none of current and max values are valid to keep code
5007 * simple.
dd983808
AK		 5008 */
5009 match.valid_tx_power = !status;
5010
5011 /* Commands sent in request are either Read RSSI or Read Transmit Power
5012 * Level so we check which one was last sent to retrieve connection
5013 * handle. Both commands have handle as first parameter so it's safe to
5014 * cast data on the same command struct.
5015 *
5016 * First command sent is always Read RSSI and we fail only if it fails.
5017 * In other case we simply override error to indicate success as we
5018 * already remembered if TX power value is actually valid.
5019 */
5020 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5021 if (!cp) {
5022 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
5023 status = 0;
5024 }
5025
5026 if (!cp) {
5027 BT_ERR("invalid sent_cmd in response");
5028 goto unlock;
5029 }
5030
5031 handle = __le16_to_cpu(cp->handle);
5032 conn = hci_conn_hash_lookup_handle(hdev, handle);
5033 if (!conn) {
5034 BT_ERR("unknown handle (%d) in response", handle);
5035 goto unlock;
5036 }
5037
5038 match.conn = conn;
5039 match.mgmt_status = mgmt_status(status);
5040
5041 /* Cache refresh is complete, now reply for mgmt request for given
5042 * connection only.
5043 */
5044 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
5045 get_conn_info_complete, &match);
5046
5047unlock:
5048 hci_dev_unlock(hdev);
5049}
5050
5051static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5052 u16 len)
5053{
5054 struct mgmt_cp_get_conn_info *cp = data;
5055 struct mgmt_rp_get_conn_info rp;
5056 struct hci_conn *conn;
5057 unsigned long conn_info_age;
5058 int err = 0;
5059
5060 BT_DBG("%s", hdev->name);
5061
5062 memset(&rp, 0, sizeof(rp));
5063 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5064 rp.addr.type = cp->addr.type;
5065
5066 if (!bdaddr_type_is_valid(cp->addr.type))
5067 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5068 MGMT_STATUS_INVALID_PARAMS,
5069 &rp, sizeof(rp));
5070
5071 hci_dev_lock(hdev);
5072
5073 if (!hdev_is_powered(hdev)) {
5074 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5075 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5076 goto unlock;
5077 }
5078
5079 if (cp->addr.type == BDADDR_BREDR)
5080 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5081 &cp->addr.bdaddr);
5082 else
5083 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5084
5085 if (!conn || conn->state != BT_CONNECTED) {
5086 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5087 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
5088 goto unlock;
5089 }
5090
5091 /* To avoid client trying to guess when to poll again for information we
5092 * calculate conn info age as random value between min/max set in hdev.
5093 */
5094 conn_info_age = hdev->conn_info_min_age +
5095 prandom_u32_max(hdev->conn_info_max_age -
5096 hdev->conn_info_min_age);
5097
5098 /* Query controller to refresh cached values if they are too old or were
5099 * never read.
5100 */
f4e2dd53
AK		 5101 if (time_after(jiffies, conn->conn_info_timestamp +
5102 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5103 !conn->conn_info_timestamp) {
5104 struct hci_request req;
5105 struct hci_cp_read_tx_power req_txp_cp;
5106 struct hci_cp_read_rssi req_rssi_cp;
5107 struct pending_cmd *cmd;
5108
5109 hci_req_init(&req, hdev);
5110 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5111 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5112 &req_rssi_cp);
5113
f7faab0c
AK		 5114 /* For LE links TX power does not change thus we don't need to
5115 * query for it once value is known.
5116 */
5117 if (!bdaddr_type_is_le(cp->addr.type) ||
5118 conn->tx_power == HCI_TX_POWER_INVALID) {
5119 req_txp_cp.handle = cpu_to_le16(conn->handle);
5120 req_txp_cp.type = 0x00;
5121 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5122 sizeof(req_txp_cp), &req_txp_cp);
5123 }
dd983808 5124
eed5daf3
AK		 5125 /* Max TX power needs to be read only once per connection */
5126 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5127 req_txp_cp.handle = cpu_to_le16(conn->handle);
5128 req_txp_cp.type = 0x01;
5129 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5130 sizeof(req_txp_cp), &req_txp_cp);
5131 }
5132
dd983808
AK		 5133 err = hci_req_run(&req, conn_info_refresh_complete);
5134 if (err < 0)
5135 goto unlock;
5136
5137 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5138 data, len);
5139 if (!cmd) {
5140 err = -ENOMEM;
5141 goto unlock;
5142 }
5143
5144 hci_conn_hold(conn);
f8aaf9b6 5145 cmd->user_data = hci_conn_get(conn);
dd983808
AK		 5146
5147 conn->conn_info_timestamp = jiffies;
5148 } else {
5149 /* Cache is valid, just reply with values cached in hci_conn */
5150 rp.rssi = conn->rssi;
5151 rp.tx_power = conn->tx_power;
eed5daf3 5152 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 5153
5154 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5155 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5156 }
5157
5158unlock:
5159 hci_dev_unlock(hdev);
5160 return err;
5161}
5162
95868426
JH		 5163static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
5164{
5165 struct mgmt_cp_get_clock_info *cp;
5166 struct mgmt_rp_get_clock_info rp;
5167 struct hci_cp_read_clock *hci_cp;
5168 struct pending_cmd *cmd;
5169 struct hci_conn *conn;
5170
5171 BT_DBG("%s status %u", hdev->name, status);
5172
5173 hci_dev_lock(hdev);
5174
5175 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5176 if (!hci_cp)
5177 goto unlock;
5178
5179 if (hci_cp->which) {
5180 u16 handle = __le16_to_cpu(hci_cp->handle);
5181 conn = hci_conn_hash_lookup_handle(hdev, handle);
5182 } else {
5183 conn = NULL;
5184 }
5185
5186 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5187 if (!cmd)
5188 goto unlock;
5189
5190 cp = cmd->param;
5191
5192 memset(&rp, 0, sizeof(rp));
5193 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
5194
5195 if (status)
5196 goto send_rsp;
5197
5198 rp.local_clock = cpu_to_le32(hdev->clock);
5199
5200 if (conn) {
5201 rp.piconet_clock = cpu_to_le32(conn->clock);
5202 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5203 }
5204
5205send_rsp:
5206 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
5207 &rp, sizeof(rp));
5208 mgmt_pending_remove(cmd);
f8aaf9b6 5209 if (conn) {
95868426 5210 hci_conn_drop(conn);
f8aaf9b6
JH		 5211 hci_conn_put(conn);
5212 }
95868426
JH		 5213
5214unlock:
5215 hci_dev_unlock(hdev);
5216}
5217
5218static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5219 u16 len)
5220{
5221 struct mgmt_cp_get_clock_info *cp = data;
5222 struct mgmt_rp_get_clock_info rp;
5223 struct hci_cp_read_clock hci_cp;
5224 struct pending_cmd *cmd;
5225 struct hci_request req;
5226 struct hci_conn *conn;
5227 int err;
5228
5229 BT_DBG("%s", hdev->name);
5230
5231 memset(&rp, 0, sizeof(rp));
5232 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5233 rp.addr.type = cp->addr.type;
5234
5235 if (cp->addr.type != BDADDR_BREDR)
5236 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5237 MGMT_STATUS_INVALID_PARAMS,
5238 &rp, sizeof(rp));
5239
5240 hci_dev_lock(hdev);
5241
5242 if (!hdev_is_powered(hdev)) {
5243 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5244 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5245 goto unlock;
5246 }
5247
5248 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5249 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5250 &cp->addr.bdaddr);
5251 if (!conn || conn->state != BT_CONNECTED) {
5252 err = cmd_complete(sk, hdev->id,
5253 MGMT_OP_GET_CLOCK_INFO,
5254 MGMT_STATUS_NOT_CONNECTED,
5255 &rp, sizeof(rp));
5256 goto unlock;
5257 }
5258 } else {
5259 conn = NULL;
5260 }
5261
5262 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5263 if (!cmd) {
5264 err = -ENOMEM;
5265 goto unlock;
5266 }
5267
5268 hci_req_init(&req, hdev);
5269
5270 memset(&hci_cp, 0, sizeof(hci_cp));
5271 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5272
5273 if (conn) {
5274 hci_conn_hold(conn);
f8aaf9b6 5275 cmd->user_data = hci_conn_get(conn);
95868426
JH		 5276
5277 hci_cp.handle = cpu_to_le16(conn->handle);
5278 hci_cp.which = 0x01; /* Piconet clock */
5279 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5280 }
5281
5282 err = hci_req_run(&req, get_clock_info_complete);
5283 if (err < 0)
5284 mgmt_pending_remove(cmd);
5285
5286unlock:
5287 hci_dev_unlock(hdev);
5288 return err;
5289}
5290
8afef092
MH		 5291static void device_added(struct sock *sk, struct hci_dev *hdev,
5292 bdaddr_t *bdaddr, u8 type, u8 action)
5293{
5294 struct mgmt_ev_device_added ev;
5295
5296 bacpy(&ev.addr.bdaddr, bdaddr);
5297 ev.addr.type = type;
5298 ev.action = action;
5299
5300 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5301}
5302
2faade53
MH		 5303static int add_device(struct sock *sk, struct hci_dev *hdev,
5304 void *data, u16 len)
5305{
5306 struct mgmt_cp_add_device *cp = data;
5307 u8 auto_conn, addr_type;
5308 int err;
5309
5310 BT_DBG("%s", hdev->name);
5311
6659358e 5312 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53
MH		 5313 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5314 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5315 MGMT_STATUS_INVALID_PARAMS,
5316 &cp->addr, sizeof(cp->addr));
5317
4b9e7e75 5318 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2faade53
MH		 5319 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5320 MGMT_STATUS_INVALID_PARAMS,
5321 &cp->addr, sizeof(cp->addr));
5322
5323 hci_dev_lock(hdev);
5324
6659358e 5325 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5326 /* Only incoming connections action is supported for now */
6659358e
JH		 5327 if (cp->action != 0x01) {
5328 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5329 MGMT_STATUS_INVALID_PARAMS,
5330 &cp->addr, sizeof(cp->addr));
5331 goto unlock;
5332 }
5333
5334 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5335 cp->addr.type);
5336 if (err)
5337 goto unlock;
a397407f 5338
432df05e 5339 hci_update_page_scan(hdev, NULL);
a397407f 5340
6659358e
JH		 5341 goto added;
5342 }
5343
2faade53
MH		 5344 if (cp->addr.type == BDADDR_LE_PUBLIC)
5345 addr_type = ADDR_LE_DEV_PUBLIC;
5346 else
5347 addr_type = ADDR_LE_DEV_RANDOM;
5348
4b9e7e75 5349 if (cp->action == 0x02)
2faade53 5350 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5351 else if (cp->action == 0x01)
5352 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5353 else
a3451d27 5354 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5355
bf5b3c8b
MH		 5356 /* If the connection parameters don't exist for this device,
5357 * they will be created and configured with defaults.
5358 */
d06b50ce
MH		 5359 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5360 auto_conn) < 0) {
2faade53
MH		 5361 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5362 MGMT_STATUS_FAILED,
5363 &cp->addr, sizeof(cp->addr));
5364 goto unlock;
5365 }
5366
6659358e 5367added:
8afef092
MH		 5368 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5369
2faade53
MH		 5370 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5371 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5372
5373unlock:
5374 hci_dev_unlock(hdev);
5375 return err;
5376}
5377
8afef092
MH		 5378static void device_removed(struct sock *sk, struct hci_dev *hdev,
5379 bdaddr_t *bdaddr, u8 type)
5380{
5381 struct mgmt_ev_device_removed ev;
5382
5383 bacpy(&ev.addr.bdaddr, bdaddr);
5384 ev.addr.type = type;
5385
5386 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5387}
5388
2faade53
MH		 5389static int remove_device(struct sock *sk, struct hci_dev *hdev,
5390 void *data, u16 len)
5391{
5392 struct mgmt_cp_remove_device *cp = data;
5393 int err;
5394
5395 BT_DBG("%s", hdev->name);
5396
5397 hci_dev_lock(hdev);
5398
5399 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5400 struct hci_conn_params *params;
2faade53
MH		 5401 u8 addr_type;
5402
6659358e 5403 if (!bdaddr_type_is_valid(cp->addr.type)) {
2faade53
MH		 5404 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5405 MGMT_STATUS_INVALID_PARAMS,
5406 &cp->addr, sizeof(cp->addr));
5407 goto unlock;
5408 }
5409
6659358e
JH		 5410 if (cp->addr.type == BDADDR_BREDR) {
5411 err = hci_bdaddr_list_del(&hdev->whitelist,
5412 &cp->addr.bdaddr,
5413 cp->addr.type);
5414 if (err) {
5415 err = cmd_complete(sk, hdev->id,
5416 MGMT_OP_REMOVE_DEVICE,
5417 MGMT_STATUS_INVALID_PARAMS,
5418 &cp->addr, sizeof(cp->addr));
5419 goto unlock;
5420 }
5421
432df05e 5422 hci_update_page_scan(hdev, NULL);
a397407f 5423
6659358e
JH		 5424 device_removed(sk, hdev, &cp->addr.bdaddr,
5425 cp->addr.type);
5426 goto complete;
5427 }
5428
2faade53
MH		 5429 if (cp->addr.type == BDADDR_LE_PUBLIC)
5430 addr_type = ADDR_LE_DEV_PUBLIC;
5431 else
5432 addr_type = ADDR_LE_DEV_RANDOM;
5433
c71593dd
JH		 5434 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5435 addr_type);
5436 if (!params) {
5437 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5438 MGMT_STATUS_INVALID_PARAMS,
5439 &cp->addr, sizeof(cp->addr));
5440 goto unlock;
5441 }
5442
5443 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
5444 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5445 MGMT_STATUS_INVALID_PARAMS,
5446 &cp->addr, sizeof(cp->addr));
5447 goto unlock;
5448 }
5449
d1dbf12e 5450 list_del(&params->action);
c71593dd
JH		 5451 list_del(&params->list);
5452 kfree(params);
95305baa 5453 hci_update_background_scan(hdev);
8afef092
MH		 5454
5455 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5456 } else {
19de0825 5457 struct hci_conn_params *p, *tmp;
6659358e 5458 struct bdaddr_list *b, *btmp;
19de0825 5459
2faade53
MH		 5460 if (cp->addr.type) {
5461 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5462 MGMT_STATUS_INVALID_PARAMS,
5463 &cp->addr, sizeof(cp->addr));
5464 goto unlock;
5465 }
5466
6659358e
JH		 5467 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5468 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5469 list_del(&b->list);
5470 kfree(b);
5471 }
5472
432df05e 5473 hci_update_page_scan(hdev, NULL);
a397407f 5474
19de0825
JH		 5475 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5476 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5477 continue;
5478 device_removed(sk, hdev, &p->addr, p->addr_type);
5479 list_del(&p->action);
5480 list_del(&p->list);
5481 kfree(p);
5482 }
5483
5484 BT_DBG("All LE connection parameters were removed");
5485
5486 hci_update_background_scan(hdev);
2faade53
MH		 5487 }
5488
6659358e 5489complete:
2faade53
MH		 5490 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5491 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5492
5493unlock:
5494 hci_dev_unlock(hdev);
5495 return err;
5496}
5497
a26f3dcf
JH		 5498static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5499 u16 len)
5500{
5501 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5502 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5503 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5504 u16 param_count, expected_len;
5505 int i;
5506
5507 if (!lmp_le_capable(hdev))
5508 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5509 MGMT_STATUS_NOT_SUPPORTED);
5510
5511 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5512 if (param_count > max_param_count) {
5513 BT_ERR("load_conn_param: too big param_count value %u",
5514 param_count);
5515 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5516 MGMT_STATUS_INVALID_PARAMS);
5517 }
a26f3dcf
JH		 5518
5519 expected_len = sizeof(*cp) + param_count *
5520 sizeof(struct mgmt_conn_param);
5521 if (expected_len != len) {
5522 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5523 expected_len, len);
5524 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5525 MGMT_STATUS_INVALID_PARAMS);
5526 }
5527
5528 BT_DBG("%s param_count %u", hdev->name, param_count);
5529
5530 hci_dev_lock(hdev);
5531
5532 hci_conn_params_clear_disabled(hdev);
5533
5534 for (i = 0; i < param_count; i++) {
5535 struct mgmt_conn_param *param = &cp->params[i];
5536 struct hci_conn_params *hci_param;
5537 u16 min, max, latency, timeout;
5538 u8 addr_type;
5539
5540 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5541 param->addr.type);
5542
5543 if (param->addr.type == BDADDR_LE_PUBLIC) {
5544 addr_type = ADDR_LE_DEV_PUBLIC;
5545 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5546 addr_type = ADDR_LE_DEV_RANDOM;
5547 } else {
5548 BT_ERR("Ignoring invalid connection parameters");
5549 continue;
5550 }
5551
5552 min = le16_to_cpu(param->min_interval);
5553 max = le16_to_cpu(param->max_interval);
5554 latency = le16_to_cpu(param->latency);
5555 timeout = le16_to_cpu(param->timeout);
5556
5557 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5558 min, max, latency, timeout);
5559
5560 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5561 BT_ERR("Ignoring invalid connection parameters");
5562 continue;
5563 }
5564
5565 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5566 addr_type);
5567 if (!hci_param) {
5568 BT_ERR("Failed to add connection parameters");
5569 continue;
5570 }
5571
5572 hci_param->conn_min_interval = min;
5573 hci_param->conn_max_interval = max;
5574 hci_param->conn_latency = latency;
5575 hci_param->supervision_timeout = timeout;
5576 }
5577
5578 hci_dev_unlock(hdev);
5579
5580 return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
5581}
5582
dbece37a
MH		 5583static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5584 void *data, u16 len)
5585{
5586 struct mgmt_cp_set_external_config *cp = data;
5587 bool changed;
5588 int err;
5589
5590 BT_DBG("%s", hdev->name);
5591
5592 if (hdev_is_powered(hdev))
5593 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5594 MGMT_STATUS_REJECTED);
5595
5596 if (cp->config != 0x00 && cp->config != 0x01)
5597 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5598 MGMT_STATUS_INVALID_PARAMS);
5599
5600 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5601 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5602 MGMT_STATUS_NOT_SUPPORTED);
5603
5604 hci_dev_lock(hdev);
5605
5606 if (cp->config)
5607 changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
5608 &hdev->dev_flags);
5609 else
5610 changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
5611 &hdev->dev_flags);
5612
5613 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5614 if (err < 0)
5615 goto unlock;
5616
5617 if (!changed)
5618 goto unlock;
5619
f4537c04
MH		 5620 err = new_options(hdev, sk);
5621
dbece37a
MH		 5622 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
5623 mgmt_index_removed(hdev);
d603b76b
MH		 5624
5625 if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
5626 set_bit(HCI_CONFIG, &hdev->dev_flags);
5627 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5628
5629 queue_work(hdev->req_workqueue, &hdev->power_on);
5630 } else {
5ea234d3 5631 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5632 mgmt_index_added(hdev);
5633 }
dbece37a
MH		 5634 }
5635
5636unlock:
5637 hci_dev_unlock(hdev);
5638 return err;
5639}
5640
9713c17b
MH		 5641static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5642 void *data, u16 len)
5643{
5644 struct mgmt_cp_set_public_address *cp = data;
5645 bool changed;
5646 int err;
5647
5648 BT_DBG("%s", hdev->name);
5649
5650 if (hdev_is_powered(hdev))
5651 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5652 MGMT_STATUS_REJECTED);
5653
5654 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5655 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5656 MGMT_STATUS_INVALID_PARAMS);
5657
5658 if (!hdev->set_bdaddr)
5659 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5660 MGMT_STATUS_NOT_SUPPORTED);
5661
5662 hci_dev_lock(hdev);
5663
5664 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5665 bacpy(&hdev->public_addr, &cp->bdaddr);
5666
5667 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5668 if (err < 0)
5669 goto unlock;
5670
5671 if (!changed)
5672 goto unlock;
5673
5674 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5675 err = new_options(hdev, sk);
5676
5677 if (is_configured(hdev)) {
5678 mgmt_index_removed(hdev);
5679
5680 clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
5681
5682 set_bit(HCI_CONFIG, &hdev->dev_flags);
5683 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5684
5685 queue_work(hdev->req_workqueue, &hdev->power_on);
5686 }
5687
5688unlock:
5689 hci_dev_unlock(hdev);
5690 return err;
5691}
5692
2e3c35ea 5693static const struct mgmt_handler {
04124681
GP		 5694 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5695 u16 data_len);
be22b54e
JH		 5696 bool var_len;
5697 size_t data_len;
0f4e68cf
JH		 5698} mgmt_handlers[] = {
5699 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5700 { read_version, false, MGMT_READ_VERSION_SIZE },
5701 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5702 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5703 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5704 { set_powered, false, MGMT_SETTING_SIZE },
5705 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5706 { set_connectable, false, MGMT_SETTING_SIZE },
5707 { set_fast_connectable, false, MGMT_SETTING_SIZE },
b2939475 5708 { set_bondable, false, MGMT_SETTING_SIZE },
be22b54e
JH		 5709 { set_link_security, false, MGMT_SETTING_SIZE },
5710 { set_ssp, false, MGMT_SETTING_SIZE },
5711 { set_hs, false, MGMT_SETTING_SIZE },
5712 { set_le, false, MGMT_SETTING_SIZE },
5713 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5714 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5715 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5716 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5717 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5718 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5719 { disconnect, false, MGMT_DISCONNECT_SIZE },
5720 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5721 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5722 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5723 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5724 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5725 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5726 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5727 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5728 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5729 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5730 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5731 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5732 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5733 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5734 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5735 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5736 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5737 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5738 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5739 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5740 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5741 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5742 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5743 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5744 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5745 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5746 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5747 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5748 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5749 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5750 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5751 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
73d1df2a
MH		 5752 { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
5753 { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
9fc3bfb6 5754 { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
dbece37a 5755 { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
9713c17b 5756 { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
0f4e68cf
JH		 5757};
5758
0381101f
JH		 5759int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5760{
650f726d
VCG		 5761 void *buf;
5762 u8 *cp;
0381101f 5763 struct mgmt_hdr *hdr;
4e51eae9 5764 u16 opcode, index, len;
bdb6d971 5765 struct hci_dev *hdev = NULL;
2e3c35ea 5766 const struct mgmt_handler *handler;
0381101f
JH		 5767 int err;
5768
5769 BT_DBG("got %zu bytes", msglen);
5770
5771 if (msglen < sizeof(*hdr))
5772 return -EINVAL;
5773
e63a15ec 5774 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5775 if (!buf)
5776 return -ENOMEM;
5777
5778 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5779 err = -EFAULT;
5780 goto done;
5781 }
5782
650f726d 5783 hdr = buf;
1f350c87
MH		 5784 opcode = __le16_to_cpu(hdr->opcode);
5785 index = __le16_to_cpu(hdr->index);
5786 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5787
5788 if (len != msglen - sizeof(*hdr)) {
5789 err = -EINVAL;
5790 goto done;
5791 }
5792
0f4e68cf 5793 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5794 hdev = hci_dev_get(index);
5795 if (!hdev) {
5796 err = cmd_status(sk, index, opcode,
04124681 5797 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5798 goto done;
5799 }
0736cfa8 5800
cebf4cfd 5801 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
d603b76b 5802 test_bit(HCI_CONFIG, &hdev->dev_flags) ||
4a964404 5803 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
0736cfa8
MH		 5804 err = cmd_status(sk, index, opcode,
5805 MGMT_STATUS_INVALID_INDEX);
5806 goto done;
5807 }
42a9bc14
MH		 5808
5809 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
dbece37a 5810 opcode != MGMT_OP_READ_CONFIG_INFO &&
9713c17b
MH		 5811 opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
5812 opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
42a9bc14
MH		 5813 err = cmd_status(sk, index, opcode,
5814 MGMT_STATUS_INVALID_INDEX);
5815 goto done;
5816 }
bdb6d971
JH		 5817 }
5818
0f4e68cf 5819 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5820 mgmt_handlers[opcode].func == NULL) {
0381101f 5821 BT_DBG("Unknown op %u", opcode);
ca69b795 5822 err = cmd_status(sk, index, opcode,
04124681 5823 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5824 goto done;
5825 }
5826
73d1df2a
MH		 5827 if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
5828 opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
5829 err = cmd_status(sk, index, opcode,
5830 MGMT_STATUS_INVALID_INDEX);
5831 goto done;
5832 }
5833
5834 if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
5835 opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
0f4e68cf 5836 err = cmd_status(sk, index, opcode,
04124681 5837 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5838 goto done;
0381101f
JH		 5839 }
5840
be22b54e
JH		 5841 handler = &mgmt_handlers[opcode];
5842
5843 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5844 (!handler->var_len && len != handler->data_len)) {
be22b54e 5845 err = cmd_status(sk, index, opcode,
04124681 5846 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5847 goto done;
5848 }
5849
0f4e68cf
JH		 5850 if (hdev)
5851 mgmt_init_hdev(sk, hdev);
5852
5853 cp = buf + sizeof(*hdr);
5854
be22b54e 5855 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5856 if (err < 0)
5857 goto done;
5858
0381101f
JH		 5859 err = msglen;
5860
5861done:
bdb6d971
JH		 5862 if (hdev)
5863 hci_dev_put(hdev);
5864
0381101f
JH		 5865 kfree(buf);
5866 return err;
5867}
c71e97bf 5868
bf6b56db 5869void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5870{
1514b892 5871 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5872 return;
bb4b2a9a 5873
0602a8ad
MH		 5874 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5875 return;
5876
5877 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5878 mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
5879 else
5880 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5881}
5882
bf6b56db 5883void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5884{
5f159032 5885 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 5886
1514b892 5887 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5888 return;
bb4b2a9a 5889
0602a8ad
MH		 5890 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5891 return;
5892
744cf19e 5893 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5894
edd3896b
MH		 5895 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5896 mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
5897 else
5898 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5899}
5900
6046dc3e 5901/* This function requires the caller holds hdev->lock */
d7347f3c 5902static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 5903{
5904 struct hci_conn_params *p;
5905
5906 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 5907 /* Needed for AUTO_OFF case where might not "really"
5908 * have been powered off.
5909 */
5910 list_del_init(&p->action);
5911
5912 switch (p->auto_connect) {
4b9e7e75 5913 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 5914 case HCI_AUTO_CONN_ALWAYS:
5915 list_add(&p->action, &hdev->pend_le_conns);
5916 break;
5917 case HCI_AUTO_CONN_REPORT:
5918 list_add(&p->action, &hdev->pend_le_reports);
5919 break;
5920 default:
5921 break;
c83ed19d 5922 }
6046dc3e 5923 }
c83ed19d 5924
c83ed19d 5925 hci_update_background_scan(hdev);
6046dc3e
AG		 5926}
5927
229ab39c
JH		 5928static void powered_complete(struct hci_dev *hdev, u8 status)
5929{
5930 struct cmd_lookup match = { NULL, hdev };
5931
5932 BT_DBG("status 0x%02x", status);
5933
5934 hci_dev_lock(hdev);
5935
d7347f3c 5936 restart_le_actions(hdev);
6046dc3e 5937
229ab39c
JH		 5938 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5939
5940 new_settings(hdev, match.sk);
5941
5942 hci_dev_unlock(hdev);
5943
5944 if (match.sk)
5945 sock_put(match.sk);
5946}
5947
70da6243 5948static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5949{
890ea898 5950 struct hci_request req;
70da6243 5951 u8 link_sec;
5add6af8 5952
890ea898
JH		 5953 hci_req_init(&req, hdev);
5954
70da6243
JH		 5955 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5956 !lmp_host_ssp_capable(hdev)) {
5957 u8 ssp = 1;
5e5282bb 5958
890ea898 5959 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5960 }
5add6af8 5961
c73eee91
JH		 5962 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5963 lmp_bredr_capable(hdev)) {
70da6243 5964 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5965
32226e4f
MH		 5966 cp.le = 0x01;
5967 cp.simul = 0x00;
3d1cbdd6 5968
70da6243
JH		 5969 /* Check first if we already have the right
5970 * host state (host features set)
5971 */
5972 if (cp.le != lmp_host_le_capable(hdev) ||
5973 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5974 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5975 sizeof(cp), &cp);
70da6243 5976 }
3d1cbdd6 5977
d13eafce 5978 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5979 /* Make sure the controller has a good default for
5980 * advertising data. This also applies to the case
5981 * where BR/EDR was toggled during the AUTO_OFF phase.
5982 */
f14d8f64 5983 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5984 update_adv_data(&req);
f14d8f64
MH		 5985 update_scan_rsp_data(&req);
5986 }
441ad2d0 5987
bba3aa55
MH		 5988 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5989 enable_advertising(&req);
eeca6f89
JH		 5990 }
5991
70da6243
JH		 5992 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5993 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5994 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5995 sizeof(link_sec), &link_sec);
562fcc24 5996
70da6243 5997 if (lmp_bredr_capable(hdev)) {
432df05e
JH		 5998 write_fast_connectable(&req, false);
5999 hci_update_page_scan(hdev, &req);
890ea898 6000 update_class(&req);
13928971 6001 update_name(&req);
890ea898 6002 update_eir(&req);
70da6243 6003 }
562fcc24 6004
229ab39c 6005 return hci_req_run(&req, powered_complete);
70da6243 6006}
562fcc24 6007
70da6243
JH		 6008int mgmt_powered(struct hci_dev *hdev, u8 powered)
6009{
6010 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 6011 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
6012 u8 zero_cod[] = { 0, 0, 0 };
70da6243 6013 int err;
f0ff92fb 6014
70da6243
JH		 6015 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
6016 return 0;
6017
70da6243 6018 if (powered) {
229ab39c
JH		 6019 if (powered_update_hci(hdev) == 0)
6020 return 0;
fe038884 6021
229ab39c
JH		 6022 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
6023 &match);
6024 goto new_settings;
b24752fe
JH		 6025 }
6026
229ab39c
JH		 6027 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6028 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
6029
6030 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
6031 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6032 zero_cod, sizeof(zero_cod), NULL);
6033
6034new_settings:
beadb2bd 6035 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 6036
6037 if (match.sk)
6038 sock_put(match.sk);
6039
7bb895d6 6040 return err;
5add6af8 6041}
73f22f62 6042
3eec705e 6043void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 6044{
6045 struct pending_cmd *cmd;
6046 u8 status;
6047
6048 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6049 if (!cmd)
3eec705e 6050 return;
96570ffc
JH		 6051
6052 if (err == -ERFKILL)
6053 status = MGMT_STATUS_RFKILLED;
6054 else
6055 status = MGMT_STATUS_FAILED;
6056
3eec705e 6057 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 6058
6059 mgmt_pending_remove(cmd);
96570ffc
JH		 6060}
6061
d1967ff8
MH		 6062void mgmt_discoverable_timeout(struct hci_dev *hdev)
6063{
6064 struct hci_request req;
d1967ff8
MH		 6065
6066 hci_dev_lock(hdev);
6067
6068 /* When discoverable timeout triggers, then just make sure
6069 * the limited discoverable flag is cleared. Even in the case
6070 * of a timeout triggered from general discoverable, it is
6071 * safe to unconditionally clear the flag.
6072 */
6073 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 6074 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 6075
6076 hci_req_init(&req, hdev);
4b580614
JH		 6077 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
6078 u8 scan = SCAN_PAGE;
6079 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
6080 sizeof(scan), &scan);
6081 }
d1967ff8 6082 update_class(&req);
9a43e25f 6083 update_adv_data(&req);
d1967ff8
MH		 6084 hci_req_run(&req, NULL);
6085
6086 hdev->discov_timeout = 0;
6087
9a43e25f
JH		 6088 new_settings(hdev, NULL);
6089
d1967ff8
MH		 6090 hci_dev_unlock(hdev);
6091}
6092
dc4a5ee2
MH		 6093void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6094 bool persistent)
55ed8ca1 6095{
86742e1e 6096 struct mgmt_ev_new_link_key ev;
55ed8ca1 6097
a492cd52 6098 memset(&ev, 0, sizeof(ev));
55ed8ca1 6099
a492cd52 6100 ev.store_hint = persistent;
d753fdc4 6101 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6102 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6103 ev.key.type = key->type;
9b3b4460 6104 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6105 ev.key.pin_len = key->pin_len;
55ed8ca1 6106
dc4a5ee2 6107 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6108}
f7520543 6109
d7b25450
JH		 6110static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6111{
23fb8de3
JH		 6112 switch (ltk->type) {
6113 case SMP_LTK:
6114 case SMP_LTK_SLAVE:
6115 if (ltk->authenticated)
6116 return MGMT_LTK_AUTHENTICATED;
6117 return MGMT_LTK_UNAUTHENTICATED;
6118 case SMP_LTK_P256:
6119 if (ltk->authenticated)
6120 return MGMT_LTK_P256_AUTH;
6121 return MGMT_LTK_P256_UNAUTH;
6122 case SMP_LTK_P256_DEBUG:
6123 return MGMT_LTK_P256_DEBUG;
6124 }
d7b25450
JH		 6125
6126 return MGMT_LTK_UNAUTHENTICATED;
6127}
6128
53ac6ab6 6129void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6130{
6131 struct mgmt_ev_new_long_term_key ev;
6132
6133 memset(&ev, 0, sizeof(ev));
6134
5192d301
MH		 6135 /* Devices using resolvable or non-resolvable random addresses
6136 * without providing an indentity resolving key don't require
6137 * to store long term keys. Their addresses will change the
6138 * next time around.
6139 *
6140 * Only when a remote device provides an identity address
6141 * make sure the long term key is stored. If the remote
6142 * identity is known, the long term keys are internally
6143 * mapped to the identity address. So allow static random
6144 * and public addresses here.
6145 */
ba74b666
JH		 6146 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6147 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6148 ev.store_hint = 0x00;
6149 else
53ac6ab6 6150 ev.store_hint = persistent;
ba74b666 6151
346af67b 6152 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6153 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6154 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6155 ev.key.enc_size = key->enc_size;
6156 ev.key.ediv = key->ediv;
fe39c7b2 6157 ev.key.rand = key->rand;
346af67b 6158
2ceba539 6159 if (key->type == SMP_LTK)
346af67b
VCG		 6160 ev.key.master = 1;
6161
346af67b
VCG		 6162 memcpy(ev.key.val, key->val, sizeof(key->val));
6163
083368f7 6164 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6165}
6166
95fbac8a
JH		 6167void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
6168{
6169 struct mgmt_ev_new_irk ev;
6170
6171 memset(&ev, 0, sizeof(ev));
6172
bab6d1e5
MH		 6173 /* For identity resolving keys from devices that are already
6174 * using a public address or static random address, do not
6175 * ask for storing this key. The identity resolving key really
6176 * is only mandatory for devices using resovlable random
6177 * addresses.
6178 *
6179 * Storing all identity resolving keys has the downside that
6180 * they will be also loaded on next boot of they system. More
6181 * identity resolving keys, means more time during scanning is
6182 * needed to actually resolve these addresses.
6183 */
6184 if (bacmp(&irk->rpa, BDADDR_ANY))
6185 ev.store_hint = 0x01;
6186 else
6187 ev.store_hint = 0x00;
6188
95fbac8a
JH		 6189 bacpy(&ev.rpa, &irk->rpa);
6190 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6191 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6192 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6193
6194 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6195}
6196
53ac6ab6
MH		 6197void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6198 bool persistent)
7ee4ea36
MH		 6199{
6200 struct mgmt_ev_new_csrk ev;
6201
6202 memset(&ev, 0, sizeof(ev));
6203
6204 /* Devices using resolvable or non-resolvable random addresses
6205 * without providing an indentity resolving key don't require
6206 * to store signature resolving keys. Their addresses will change
6207 * the next time around.
6208 *
6209 * Only when a remote device provides an identity address
6210 * make sure the signature resolving key is stored. So allow
6211 * static random and public addresses here.
6212 */
6213 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6214 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6215 ev.store_hint = 0x00;
6216 else
53ac6ab6 6217 ev.store_hint = persistent;
7ee4ea36
MH		 6218
6219 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6220 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6221 ev.key.master = csrk->master;
6222 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6223
6224 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6225}
6226
ffb5a827 6227void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6228 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6229 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6230{
6231 struct mgmt_ev_new_conn_param ev;
6232
c103aea6
JH		 6233 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6234 return;
6235
ffb5a827
AG		 6236 memset(&ev, 0, sizeof(ev));
6237 bacpy(&ev.addr.bdaddr, bdaddr);
6238 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6239 ev.store_hint = store_hint;
ffb5a827
AG		 6240 ev.min_interval = cpu_to_le16(min_interval);
6241 ev.max_interval = cpu_to_le16(max_interval);
6242 ev.latency = cpu_to_le16(latency);
6243 ev.timeout = cpu_to_le16(timeout);
6244
6245 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6246}
6247
94933991
MH		 6248static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6249 u8 data_len)
6250{
6251 eir[eir_len++] = sizeof(type) + data_len;
6252 eir[eir_len++] = type;
6253 memcpy(&eir[eir_len], data, data_len);
6254 eir_len += data_len;
6255
6256 return eir_len;
6257}
6258
48ec92fa
AA		 6259void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
6260 u32 flags, u8 *name, u8 name_len)
f7520543 6261{
b644ba33
JH		 6262 char buf[512];
6263 struct mgmt_ev_device_connected *ev = (void *) buf;
6264 u16 eir_len = 0;
f7520543 6265
48ec92fa
AA		 6266 bacpy(&ev->addr.bdaddr, &conn->dst);
6267 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 6268
c95f0ba7 6269 ev->flags = __cpu_to_le32(flags);
08c79b61 6270
fd45ada9
AA		 6271 /* We must ensure that the EIR Data fields are ordered and
6272 * unique. Keep it simple for now and avoid the problem by not
6273 * adding any BR/EDR data to the LE adv.
6274 */
6275 if (conn->le_adv_data_len > 0) {
6276 memcpy(&ev->eir[eir_len],
6277 conn->le_adv_data, conn->le_adv_data_len);
6278 eir_len = conn->le_adv_data_len;
6279 } else {
6280 if (name_len > 0)
6281 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
6282 name, name_len);
b644ba33 6283
ddbea5cf 6284 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 6285 eir_len = eir_append_data(ev->eir, eir_len,
6286 EIR_CLASS_OF_DEV,
6287 conn->dev_class, 3);
6288 }
b644ba33 6289
eb55ef07 6290 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6291
ecd90ae7
MH		 6292 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6293 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6294}
6295
8962ee74
JH		 6296static void disconnect_rsp(struct pending_cmd *cmd, void *data)
6297{
c68fb7ff 6298 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 6299 struct sock **sk = data;
a38528f1 6300 struct mgmt_rp_disconnect rp;
8962ee74 6301
88c3df13
JH		 6302 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6303 rp.addr.type = cp->addr.type;
8962ee74 6304
aee9b218 6305 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 6306 sizeof(rp));
8962ee74
JH		 6307
6308 *sk = cmd->sk;
6309 sock_hold(*sk);
6310
a664b5bc 6311 mgmt_pending_remove(cmd);
8962ee74
JH		 6312}
6313
124f6e35 6314static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 6315{
b1078ad0 6316 struct hci_dev *hdev = data;
124f6e35
JH		 6317 struct mgmt_cp_unpair_device *cp = cmd->param;
6318 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 6319
6320 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 6321 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6322 rp.addr.type = cp->addr.type;
a8a1d19e 6323
b1078ad0
JH		 6324 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6325
aee9b218 6326 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 6327
6328 mgmt_pending_remove(cmd);
6329}
6330
84c61d92
JH		 6331bool mgmt_powering_down(struct hci_dev *hdev)
6332{
6333 struct pending_cmd *cmd;
6334 struct mgmt_mode *cp;
6335
6336 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6337 if (!cmd)
6338 return false;
6339
6340 cp = cmd->param;
6341 if (!cp->val)
6342 return true;
6343
6344 return false;
6345}
6346
9b80ec5e 6347void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6348 u8 link_type, u8 addr_type, u8 reason,
6349 bool mgmt_connected)
f7520543 6350{
f0d6a0ea 6351 struct mgmt_ev_device_disconnected ev;
8962ee74 6352 struct sock *sk = NULL;
8962ee74 6353
84c61d92
JH		 6354 /* The connection is still in hci_conn_hash so test for 1
6355 * instead of 0 to know if this is the last one.
6356 */
6357 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6358 cancel_delayed_work(&hdev->power_off);
6359 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6360 }
6361
12d4a3b2
JH		 6362 if (!mgmt_connected)
6363 return;
6364
57eb776f
AG		 6365 if (link_type != ACL_LINK && link_type != LE_LINK)
6366 return;
6367
744cf19e 6368 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6369
f0d6a0ea
MA		 6370 bacpy(&ev.addr.bdaddr, bdaddr);
6371 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6372 ev.reason = reason;
f7520543 6373
9b80ec5e 6374 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6375
6376 if (sk)
d97dcb66 6377 sock_put(sk);
8962ee74 6378
124f6e35 6379 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6380 hdev);
8962ee74
JH		 6381}
6382
7892924c
MH		 6383void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6384 u8 link_type, u8 addr_type, u8 status)
8962ee74 6385{
3655bba8
AG		 6386 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6387 struct mgmt_cp_disconnect *cp;
88c3df13 6388 struct mgmt_rp_disconnect rp;
8962ee74 6389 struct pending_cmd *cmd;
8962ee74 6390
36a75f1b
JD		 6391 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6392 hdev);
6393
2e58ef3e 6394 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6395 if (!cmd)
7892924c 6396 return;
8962ee74 6397
3655bba8
AG		 6398 cp = cmd->param;
6399
6400 if (bacmp(bdaddr, &cp->addr.bdaddr))
6401 return;
6402
6403 if (cp->addr.type != bdaddr_type)
6404 return;
6405
88c3df13 6406 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 6407 rp.addr.type = bdaddr_type;
37d9ef76 6408
7892924c
MH		 6409 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
6410 mgmt_status(status), &rp, sizeof(rp));
8962ee74 6411
a664b5bc 6412 mgmt_pending_remove(cmd);
f7520543 6413}
17d5c04c 6414
445608d0
MH		 6415void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6416 u8 addr_type, u8 status)
17d5c04c
JH		 6417{
6418 struct mgmt_ev_connect_failed ev;
c9910d0f 6419
84c61d92
JH		 6420 /* The connection is still in hci_conn_hash so test for 1
6421 * instead of 0 to know if this is the last one.
6422 */
6423 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6424 cancel_delayed_work(&hdev->power_off);
6425 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6426 }
17d5c04c 6427
4c659c39 6428 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6429 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6430 ev.status = mgmt_status(status);
17d5c04c 6431
445608d0 6432 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6433}
980e1a53 6434
ce0e4a0d 6435void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6436{
6437 struct mgmt_ev_pin_code_request ev;
6438
d8457698 6439 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6440 ev.addr.type = BDADDR_BREDR;
a770bb5a 6441 ev.secure = secure;
980e1a53 6442
ce0e4a0d 6443 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6444}
6445
e669cf80
MH		 6446void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6447 u8 status)
980e1a53
JH		 6448{
6449 struct pending_cmd *cmd;
ac56fb13 6450 struct mgmt_rp_pin_code_reply rp;
980e1a53 6451
2e58ef3e 6452 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6453 if (!cmd)
e669cf80 6454 return;
980e1a53 6455
d8457698 6456 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6457 rp.addr.type = BDADDR_BREDR;
ac56fb13 6458
e669cf80
MH		 6459 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
6460 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6461
a664b5bc 6462 mgmt_pending_remove(cmd);
980e1a53
JH		 6463}
6464
3eb38528
MH		 6465void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6466 u8 status)
980e1a53
JH		 6467{
6468 struct pending_cmd *cmd;
ac56fb13 6469 struct mgmt_rp_pin_code_reply rp;
980e1a53 6470
2e58ef3e 6471 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6472 if (!cmd)
3eb38528 6473 return;
980e1a53 6474
d8457698 6475 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6476 rp.addr.type = BDADDR_BREDR;
ac56fb13 6477
3eb38528
MH		 6478 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
6479 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6480
a664b5bc 6481 mgmt_pending_remove(cmd);
980e1a53 6482}
a5c29683 6483
744cf19e 6484int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6485 u8 link_type, u8 addr_type, u32 value,
04124681 6486 u8 confirm_hint)
a5c29683
JH		 6487{
6488 struct mgmt_ev_user_confirm_request ev;
6489
744cf19e 6490 BT_DBG("%s", hdev->name);
a5c29683 6491
272d90df 6492 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6493 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6494 ev.confirm_hint = confirm_hint;
39adbffe 6495 ev.value = cpu_to_le32(value);
a5c29683 6496
744cf19e 6497 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6498 NULL);
a5c29683
JH		 6499}
6500
272d90df 6501int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6502 u8 link_type, u8 addr_type)
604086b7
BG		 6503{
6504 struct mgmt_ev_user_passkey_request ev;
6505
6506 BT_DBG("%s", hdev->name);
6507
272d90df 6508 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6509 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6510
6511 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6512 NULL);
604086b7
BG		 6513}
6514
0df4c185 6515static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6516 u8 link_type, u8 addr_type, u8 status,
6517 u8 opcode)
a5c29683
JH		 6518{
6519 struct pending_cmd *cmd;
6520 struct mgmt_rp_user_confirm_reply rp;
6521 int err;
6522
2e58ef3e 6523 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH		 6524 if (!cmd)
6525 return -ENOENT;
6526
272d90df 6527 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 6528 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 6529 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 6530 &rp, sizeof(rp));
a5c29683 6531
a664b5bc 6532 mgmt_pending_remove(cmd);
a5c29683
JH		 6533
6534 return err;
6535}
6536
744cf19e 6537int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6538 u8 link_type, u8 addr_type, u8 status)
a5c29683 6539{
272d90df 6540 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6541 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6542}
6543
272d90df 6544int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6545 u8 link_type, u8 addr_type, u8 status)
a5c29683 6546{
272d90df 6547 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6548 status,
6549 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6550}
2a611692 6551
604086b7 6552int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6553 u8 link_type, u8 addr_type, u8 status)
604086b7 6554{
272d90df 6555 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6556 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6557}
6558
272d90df 6559int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6560 u8 link_type, u8 addr_type, u8 status)
604086b7 6561{
272d90df 6562 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6563 status,
6564 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6565}
6566
92a25256
JH		 6567int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6568 u8 link_type, u8 addr_type, u32 passkey,
6569 u8 entered)
6570{
6571 struct mgmt_ev_passkey_notify ev;
6572
6573 BT_DBG("%s", hdev->name);
6574
6575 bacpy(&ev.addr.bdaddr, bdaddr);
6576 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6577 ev.passkey = __cpu_to_le32(passkey);
6578 ev.entered = entered;
6579
6580 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6581}
6582
e1e930f5 6583void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 6584{
6585 struct mgmt_ev_auth_failed ev;
e1e930f5
JH		 6586 struct pending_cmd *cmd;
6587 u8 status = mgmt_status(hci_status);
2a611692 6588
e1e930f5
JH		 6589 bacpy(&ev.addr.bdaddr, &conn->dst);
6590 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
6591 ev.status = status;
2a611692 6592
e1e930f5
JH		 6593 cmd = find_pairing(conn);
6594
6595 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
6596 cmd ? cmd->sk : NULL);
6597
6598 if (cmd)
6599 pairing_complete(cmd, status);
2a611692 6600}
b312b161 6601
464996ae 6602void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6603{
6604 struct cmd_lookup match = { NULL, hdev };
464996ae 6605 bool changed;
33ef95ed
JH		 6606
6607 if (status) {
6608 u8 mgmt_err = mgmt_status(status);
6609 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6610 cmd_status_rsp, &mgmt_err);
464996ae 6611 return;
33ef95ed
JH		 6612 }
6613
464996ae
MH		 6614 if (test_bit(HCI_AUTH, &hdev->flags))
6615 changed = !test_and_set_bit(HCI_LINK_SECURITY,
6616 &hdev->dev_flags);
6617 else
6618 changed = test_and_clear_bit(HCI_LINK_SECURITY,
6619 &hdev->dev_flags);
47990ea0 6620
33ef95ed 6621 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6622 &match);
33ef95ed 6623
47990ea0 6624 if (changed)
464996ae 6625 new_settings(hdev, match.sk);
33ef95ed
JH		 6626
6627 if (match.sk)
6628 sock_put(match.sk);
33ef95ed
JH		 6629}
6630
890ea898 6631static void clear_eir(struct hci_request *req)
cacaf52f 6632{
890ea898 6633 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6634 struct hci_cp_write_eir cp;
6635
976eb20e 6636 if (!lmp_ext_inq_capable(hdev))
890ea898 6637 return;
cacaf52f 6638
c80da27e
JH		 6639 memset(hdev->eir, 0, sizeof(hdev->eir));
6640
cacaf52f
JH		 6641 memset(&cp, 0, sizeof(cp));
6642
890ea898 6643 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 6644}
6645
3e248560 6646void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 6647{
6648 struct cmd_lookup match = { NULL, hdev };
890ea898 6649 struct hci_request req;
c0ecddc2 6650 bool changed = false;
ed2c4ee3
JH		 6651
6652 if (status) {
6653 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH		 6654
6655 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
9ecb3e24
MH		 6656 &hdev->dev_flags)) {
6657 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
3e248560 6658 new_settings(hdev, NULL);
9ecb3e24 6659 }
c0ecddc2 6660
04124681
GP		 6661 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
6662 &mgmt_err);
3e248560 6663 return;
c0ecddc2
JH		 6664 }
6665
6666 if (enable) {
9ecb3e24 6667 changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
c0ecddc2 6668 } else {
9ecb3e24
MH		 6669 changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
6670 if (!changed)
6671 changed = test_and_clear_bit(HCI_HS_ENABLED,
6672 &hdev->dev_flags);
6673 else
6674 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
ed2c4ee3
JH		 6675 }
6676
6677 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
6678
c0ecddc2 6679 if (changed)
3e248560 6680 new_settings(hdev, match.sk);
ed2c4ee3 6681
5fc6ebb1 6682 if (match.sk)
ed2c4ee3
JH		 6683 sock_put(match.sk);
6684
890ea898
JH		 6685 hci_req_init(&req, hdev);
6686
3769972b
JH		 6687 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
6688 if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
6689 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
6690 sizeof(enable), &enable);
890ea898 6691 update_eir(&req);
3769972b 6692 } else {
890ea898 6693 clear_eir(&req);
3769972b 6694 }
890ea898
JH		 6695
6696 hci_req_run(&req, NULL);
ed2c4ee3
JH		 6697}
6698
eac83dc6
MH		 6699void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
6700{
6701 struct cmd_lookup match = { NULL, hdev };
6702 bool changed = false;
6703
6704 if (status) {
6705 u8 mgmt_err = mgmt_status(status);
6706
0ab04a9c
MH		 6707 if (enable) {
6708 if (test_and_clear_bit(HCI_SC_ENABLED,
6709 &hdev->dev_flags))
6710 new_settings(hdev, NULL);
6711 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6712 }
eac83dc6
MH		 6713
6714 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6715 cmd_status_rsp, &mgmt_err);
6716 return;
6717 }
6718
0ab04a9c 6719 if (enable) {
eac83dc6 6720 changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c 6721 } else {
eac83dc6 6722 changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c
MH		 6723 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6724 }
eac83dc6
MH		 6725
6726 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6727 settings_rsp, &match);
6728
6729 if (changed)
6730 new_settings(hdev, match.sk);
6731
6732 if (match.sk)
6733 sock_put(match.sk);
6734}
6735
92da6097 6736static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH		 6737{
6738 struct cmd_lookup *match = data;
6739
90e70454
JH		 6740 if (match->sk == NULL) {
6741 match->sk = cmd->sk;
6742 sock_hold(match->sk);
6743 }
90e70454
JH		 6744}
6745
4e1b0245
MH		 6746void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
6747 u8 status)
7f9a903c 6748{
90e70454 6749 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 6750
92da6097
JH		 6751 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
6752 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
6753 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 6754
6755 if (!status)
4e1b0245
MH		 6756 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
6757 NULL);
90e70454
JH		 6758
6759 if (match.sk)
6760 sock_put(match.sk);
7f9a903c
MH		 6761}
6762
7667da34 6763void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 6764{
b312b161 6765 struct mgmt_cp_set_local_name ev;
13928971 6766 struct pending_cmd *cmd;
28cc7bde 6767
13928971 6768 if (status)
7667da34 6769 return;
b312b161
JH		 6770
6771 memset(&ev, 0, sizeof(ev));
6772 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 6773 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 6774
2e58ef3e 6775 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 6776 if (!cmd) {
6777 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 6778
13928971
JH		 6779 /* If this is a HCI command related to powering on the
6780 * HCI dev don't send any mgmt signals.
6781 */
6782 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 6783 return;
890ea898 6784 }
b312b161 6785
7667da34
MH		 6786 mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
6787 cmd ? cmd->sk : NULL);
b312b161 6788}
c35938b2 6789
4d2d2796 6790void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
38da1703
JH		 6791 u8 *rand192, u8 *hash256, u8 *rand256,
6792 u8 status)
c35938b2
SJ		 6793{
6794 struct pending_cmd *cmd;
c35938b2 6795
744cf19e 6796 BT_DBG("%s status %u", hdev->name, status);
c35938b2 6797
2e58ef3e 6798 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2 6799 if (!cmd)
3edaf092 6800 return;
c35938b2
SJ		 6801
6802 if (status) {
3edaf092
MH		 6803 cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
6804 mgmt_status(status));
c35938b2 6805 } else {
4d2d2796 6806 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
38da1703 6807 hash256 && rand256) {
4d2d2796
MH		 6808 struct mgmt_rp_read_local_oob_ext_data rp;
6809
6810 memcpy(rp.hash192, hash192, sizeof(rp.hash192));
38da1703 6811 memcpy(rp.rand192, rand192, sizeof(rp.rand192));
c35938b2 6812
4d2d2796 6813 memcpy(rp.hash256, hash256, sizeof(rp.hash256));
38da1703 6814 memcpy(rp.rand256, rand256, sizeof(rp.rand256));
c35938b2 6815
4d2d2796
MH		 6816 cmd_complete(cmd->sk, hdev->id,
6817 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6818 &rp, sizeof(rp));
6819 } else {
6820 struct mgmt_rp_read_local_oob_data rp;
6821
6822 memcpy(rp.hash, hash192, sizeof(rp.hash));
38da1703 6823 memcpy(rp.rand, rand192, sizeof(rp.rand));
4d2d2796
MH		 6824
6825 cmd_complete(cmd->sk, hdev->id,
6826 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6827 &rp, sizeof(rp));
6828 }
c35938b2
SJ		 6829 }
6830
6831 mgmt_pending_remove(cmd);
c35938b2 6832}
e17acd40 6833
901801b9 6834void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
af58925c
MH		 6835 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
6836 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 6837{
e319d2e7
JH		 6838 char buf[512];
6839 struct mgmt_ev_device_found *ev = (void *) buf;
1dc06093 6840 size_t ev_size;
e17acd40 6841
75ce208c
JH		 6842 /* Don't send events for a non-kernel initiated discovery. With
6843 * LE one exception is if we have pend_le_reports > 0 in which
6844 * case we're doing passive scanning and want these events.
6845 */
6846 if (!hci_discovery_active(hdev)) {
6847 if (link_type == ACL_LINK)
6848 return;
66f8455a 6849 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
75ce208c
JH		 6850 return;
6851 }
12602d0c 6852
5d2e9fad
JH		 6853 /* Make sure that the buffer is big enough. The 5 extra bytes
6854 * are for the potential CoD field.
6855 */
6856 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
901801b9 6857 return;
7d262f86 6858
1dc06093
JH		 6859 memset(buf, 0, sizeof(buf));
6860
841c5644
JH		 6861 bacpy(&ev->addr.bdaddr, bdaddr);
6862 ev->addr.type = link_to_bdaddr(link_type, addr_type);
e319d2e7 6863 ev->rssi = rssi;
af58925c 6864 ev->flags = cpu_to_le32(flags);
e17acd40 6865
1dc06093 6866 if (eir_len > 0)
e319d2e7 6867 memcpy(ev->eir, eir, eir_len);
e17acd40 6868
1dc06093
JH		 6869 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
6870 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 6871 dev_class, 3);
1dc06093 6872
5d2e9fad
JH		 6873 if (scan_rsp_len > 0)
6874 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
6875
6876 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
6877 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 6878
901801b9 6879 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 6880}
a88a9652 6881
9cf12aee
MH		 6882void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6883 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 6884{
b644ba33
JH		 6885 struct mgmt_ev_device_found *ev;
6886 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
6887 u16 eir_len;
a88a9652 6888
b644ba33 6889 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 6890
b644ba33
JH		 6891 memset(buf, 0, sizeof(buf));
6892
6893 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6894 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 6895 ev->rssi = rssi;
6896
6897 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 6898 name_len);
b644ba33 6899
eb55ef07 6900 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 6901
9cf12aee 6902 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 6903}
314b2381 6904
2f1e063b 6905void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 6906{
f963e8e9 6907 struct mgmt_ev_discovering ev;
164a6e78
JH		 6908 struct pending_cmd *cmd;
6909
343fb145
AG		 6910 BT_DBG("%s discovering %u", hdev->name, discovering);
6911
164a6e78 6912 if (discovering)
2e58ef3e 6913 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78 6914 else
2e58ef3e 6915 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
164a6e78
JH		 6916
6917 if (cmd != NULL) {
f808e166
JH		 6918 u8 type = hdev->discovery.type;
6919
04124681
GP		 6920 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
6921 sizeof(type));
164a6e78
JH		 6922 mgmt_pending_remove(cmd);
6923 }
6924
f963e8e9
JH		 6925 memset(&ev, 0, sizeof(ev));
6926 ev.type = hdev->discovery.type;
6927 ev.discovering = discovering;
6928
2f1e063b 6929 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 6930}
5e762444 6931
5976e608
MH		 6932static void adv_enable_complete(struct hci_dev *hdev, u8 status)
6933{
6934 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 6935}
6936
6937void mgmt_reenable_advertising(struct hci_dev *hdev)
6938{
6939 struct hci_request req;
6940
5976e608
MH		 6941 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
6942 return;
6943
6944 hci_req_init(&req, hdev);
6945 enable_advertising(&req);
0ec5ae84 6946 hci_req_run(&req, adv_enable_complete);
5976e608 6947}