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Bluetooth: Improve *_get() functions to return the object type
[deliverable/linux.git] / net / bluetooth / mgmt.c
CommitLineData
0381101f
JH		 1/*
2 BlueZ - Bluetooth protocol stack for Linux
ea585ab5 3
0381101f 4 Copyright (C) 2010 Nokia Corporation
ea585ab5 5 Copyright (C) 2011-2012 Intel Corporation
0381101f
JH		 6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI Management interface */
26
3a9a231d 27#include <linux/module.h>
0381101f
JH		 28#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
4bc58f51 32#include <net/bluetooth/l2cap.h>
0381101f 33#include <net/bluetooth/mgmt.h>
ac4b7236
MH		 34
35#include "smp.h"
0381101f 36
2da9c55c 37#define MGMT_VERSION 1
730f091b 38#define MGMT_REVISION 7
02d98129 39
e70bb2e8
JH		 40static const u16 mgmt_commands[] = {
41 MGMT_OP_READ_INDEX_LIST,
42 MGMT_OP_READ_INFO,
43 MGMT_OP_SET_POWERED,
44 MGMT_OP_SET_DISCOVERABLE,
45 MGMT_OP_SET_CONNECTABLE,
46 MGMT_OP_SET_FAST_CONNECTABLE,
b2939475 47 MGMT_OP_SET_BONDABLE,
e70bb2e8
JH		 48 MGMT_OP_SET_LINK_SECURITY,
49 MGMT_OP_SET_SSP,
50 MGMT_OP_SET_HS,
51 MGMT_OP_SET_LE,
52 MGMT_OP_SET_DEV_CLASS,
53 MGMT_OP_SET_LOCAL_NAME,
54 MGMT_OP_ADD_UUID,
55 MGMT_OP_REMOVE_UUID,
56 MGMT_OP_LOAD_LINK_KEYS,
57 MGMT_OP_LOAD_LONG_TERM_KEYS,
58 MGMT_OP_DISCONNECT,
59 MGMT_OP_GET_CONNECTIONS,
60 MGMT_OP_PIN_CODE_REPLY,
61 MGMT_OP_PIN_CODE_NEG_REPLY,
62 MGMT_OP_SET_IO_CAPABILITY,
63 MGMT_OP_PAIR_DEVICE,
64 MGMT_OP_CANCEL_PAIR_DEVICE,
65 MGMT_OP_UNPAIR_DEVICE,
66 MGMT_OP_USER_CONFIRM_REPLY,
67 MGMT_OP_USER_CONFIRM_NEG_REPLY,
68 MGMT_OP_USER_PASSKEY_REPLY,
69 MGMT_OP_USER_PASSKEY_NEG_REPLY,
70 MGMT_OP_READ_LOCAL_OOB_DATA,
71 MGMT_OP_ADD_REMOTE_OOB_DATA,
72 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
73 MGMT_OP_START_DISCOVERY,
74 MGMT_OP_STOP_DISCOVERY,
75 MGMT_OP_CONFIRM_NAME,
76 MGMT_OP_BLOCK_DEVICE,
77 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 78 MGMT_OP_SET_DEVICE_ID,
4375f103 79 MGMT_OP_SET_ADVERTISING,
0663ca2a 80 MGMT_OP_SET_BREDR,
d13eafce 81 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 82 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 83 MGMT_OP_SET_SECURE_CONN,
4e39ac81 84 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 85 MGMT_OP_SET_PRIVACY,
41edf160 86 MGMT_OP_LOAD_IRKS,
dd983808 87 MGMT_OP_GET_CONN_INFO,
95868426 88 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 89 MGMT_OP_ADD_DEVICE,
90 MGMT_OP_REMOVE_DEVICE,
a26f3dcf 91 MGMT_OP_LOAD_CONN_PARAM,
73d1df2a 92 MGMT_OP_READ_UNCONF_INDEX_LIST,
9fc3bfb6 93 MGMT_OP_READ_CONFIG_INFO,
dbece37a 94 MGMT_OP_SET_EXTERNAL_CONFIG,
9713c17b 95 MGMT_OP_SET_PUBLIC_ADDRESS,
e70bb2e8
JH		 96};
97
98static const u16 mgmt_events[] = {
99 MGMT_EV_CONTROLLER_ERROR,
100 MGMT_EV_INDEX_ADDED,
101 MGMT_EV_INDEX_REMOVED,
102 MGMT_EV_NEW_SETTINGS,
103 MGMT_EV_CLASS_OF_DEV_CHANGED,
104 MGMT_EV_LOCAL_NAME_CHANGED,
105 MGMT_EV_NEW_LINK_KEY,
106 MGMT_EV_NEW_LONG_TERM_KEY,
107 MGMT_EV_DEVICE_CONNECTED,
108 MGMT_EV_DEVICE_DISCONNECTED,
109 MGMT_EV_CONNECT_FAILED,
110 MGMT_EV_PIN_CODE_REQUEST,
111 MGMT_EV_USER_CONFIRM_REQUEST,
112 MGMT_EV_USER_PASSKEY_REQUEST,
113 MGMT_EV_AUTH_FAILED,
114 MGMT_EV_DEVICE_FOUND,
115 MGMT_EV_DISCOVERING,
116 MGMT_EV_DEVICE_BLOCKED,
117 MGMT_EV_DEVICE_UNBLOCKED,
118 MGMT_EV_DEVICE_UNPAIRED,
92a25256 119 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 120 MGMT_EV_NEW_IRK,
7ee4ea36 121 MGMT_EV_NEW_CSRK,
8afef092
MH		 122 MGMT_EV_DEVICE_ADDED,
123 MGMT_EV_DEVICE_REMOVED,
ffb5a827 124 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 125 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 126 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 127 MGMT_EV_NEW_CONFIG_OPTIONS,
e70bb2e8
JH		 128};
129
17b02e62 130#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 131
eec8d2bc
JH		 132struct pending_cmd {
133 struct list_head list;
fc2f4b13 134 u16 opcode;
eec8d2bc 135 int index;
c68fb7ff 136 void *param;
eec8d2bc 137 struct sock *sk;
e9a416b5 138 void *user_data;
eec8d2bc
JH		 139};
140
ca69b795
JH		 141/* HCI to MGMT error code conversion table */
142static u8 mgmt_status_table[] = {
143 MGMT_STATUS_SUCCESS,
144 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
145 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
146 MGMT_STATUS_FAILED, /* Hardware Failure */
147 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
148 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 149 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 150 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
151 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
152 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
153 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
154 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
155 MGMT_STATUS_BUSY, /* Command Disallowed */
156 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
157 MGMT_STATUS_REJECTED, /* Rejected Security */
158 MGMT_STATUS_REJECTED, /* Rejected Personal */
159 MGMT_STATUS_TIMEOUT, /* Host Timeout */
160 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
161 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
162 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
163 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
164 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
165 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
166 MGMT_STATUS_BUSY, /* Repeated Attempts */
167 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
168 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
169 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
170 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
171 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
172 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
173 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
174 MGMT_STATUS_FAILED, /* Unspecified Error */
175 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
176 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
177 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
178 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
179 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
180 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
181 MGMT_STATUS_FAILED, /* Unit Link Key Used */
182 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
183 MGMT_STATUS_TIMEOUT, /* Instant Passed */
184 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
185 MGMT_STATUS_FAILED, /* Transaction Collision */
186 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
187 MGMT_STATUS_REJECTED, /* QoS Rejected */
188 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
189 MGMT_STATUS_REJECTED, /* Insufficient Security */
190 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
191 MGMT_STATUS_BUSY, /* Role Switch Pending */
192 MGMT_STATUS_FAILED, /* Slot Violation */
193 MGMT_STATUS_FAILED, /* Role Switch Failed */
194 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
195 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
196 MGMT_STATUS_BUSY, /* Host Busy Pairing */
197 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
198 MGMT_STATUS_BUSY, /* Controller Busy */
199 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
200 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
201 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
202 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
203 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
204};
205
206static u8 mgmt_status(u8 hci_status)
207{
208 if (hci_status < ARRAY_SIZE(mgmt_status_table))
209 return mgmt_status_table[hci_status];
210
211 return MGMT_STATUS_FAILED;
212}
213
04c60f05
MH		 214static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
215 struct sock *skip_sk)
216{
217 struct sk_buff *skb;
218 struct mgmt_hdr *hdr;
219
220 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
221 if (!skb)
222 return -ENOMEM;
223
224 hdr = (void *) skb_put(skb, sizeof(*hdr));
225 hdr->opcode = cpu_to_le16(event);
226 if (hdev)
227 hdr->index = cpu_to_le16(hdev->id);
228 else
229 hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
230 hdr->len = cpu_to_le16(data_len);
231
232 if (data)
233 memcpy(skb_put(skb, data_len), data, data_len);
234
235 /* Time stamp */
236 __net_timestamp(skb);
237
238 hci_send_to_control(skb, skip_sk);
239 kfree_skb(skb);
240
241 return 0;
242}
243
4e51eae9 244static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
f7b64e69
JH		 245{
246 struct sk_buff *skb;
247 struct mgmt_hdr *hdr;
248 struct mgmt_ev_cmd_status *ev;
56b7d137 249 int err;
f7b64e69 250
34eb525c 251 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
f7b64e69 252
790eff44 253 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL);
f7b64e69
JH		 254 if (!skb)
255 return -ENOMEM;
256
257 hdr = (void *) skb_put(skb, sizeof(*hdr));
258
dcf4adbf 259 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
4e51eae9 260 hdr->index = cpu_to_le16(index);
f7b64e69
JH		 261 hdr->len = cpu_to_le16(sizeof(*ev));
262
263 ev = (void *) skb_put(skb, sizeof(*ev));
264 ev->status = status;
eb55ef07 265 ev->opcode = cpu_to_le16(cmd);
f7b64e69 266
56b7d137
GP		 267 err = sock_queue_rcv_skb(sk, skb);
268 if (err < 0)
f7b64e69
JH		 269 kfree_skb(skb);
270
56b7d137 271 return err;
f7b64e69
JH		 272}
273
aee9b218 274static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
04124681 275 void *rp, size_t rp_len)
02d98129
JH		 276{
277 struct sk_buff *skb;
278 struct mgmt_hdr *hdr;
279 struct mgmt_ev_cmd_complete *ev;
56b7d137 280 int err;
02d98129
JH		 281
282 BT_DBG("sock %p", sk);
283
790eff44 284 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL);
02d98129
JH		 285 if (!skb)
286 return -ENOMEM;
287
288 hdr = (void *) skb_put(skb, sizeof(*hdr));
02d98129 289
dcf4adbf 290 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
4e51eae9 291 hdr->index = cpu_to_le16(index);
a38528f1 292 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
02d98129 293
a38528f1 294 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
eb55ef07 295 ev->opcode = cpu_to_le16(cmd);
aee9b218 296 ev->status = status;
8020c16a
SJ		 297
298 if (rp)
299 memcpy(ev->data, rp, rp_len);
02d98129 300
56b7d137
GP		 301 err = sock_queue_rcv_skb(sk, skb);
302 if (err < 0)
02d98129
JH		 303 kfree_skb(skb);
304
e5f0e151 305 return err;
02d98129
JH		 306}
307
04124681
GP		 308static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
309 u16 data_len)
a38528f1
JH		 310{
311 struct mgmt_rp_read_version rp;
312
313 BT_DBG("sock %p", sk);
314
315 rp.version = MGMT_VERSION;
dcf4adbf 316 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 317
aee9b218 318 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
04124681 319 sizeof(rp));
a38528f1
JH		 320}
321
04124681
GP		 322static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
323 u16 data_len)
e70bb2e8
JH		 324{
325 struct mgmt_rp_read_commands *rp;
eb55ef07
MH		 326 const u16 num_commands = ARRAY_SIZE(mgmt_commands);
327 const u16 num_events = ARRAY_SIZE(mgmt_events);
2e3c35ea 328 __le16 *opcode;
e70bb2e8
JH		 329 size_t rp_size;
330 int i, err;
331
332 BT_DBG("sock %p", sk);
333
334 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
335
336 rp = kmalloc(rp_size, GFP_KERNEL);
337 if (!rp)
338 return -ENOMEM;
339
dcf4adbf
JP		 340 rp->num_commands = cpu_to_le16(num_commands);
341 rp->num_events = cpu_to_le16(num_events);
e70bb2e8
JH		 342
343 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
344 put_unaligned_le16(mgmt_commands[i], opcode);
345
346 for (i = 0; i < num_events; i++, opcode++)
347 put_unaligned_le16(mgmt_events[i], opcode);
348
aee9b218 349 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
04124681 350 rp_size);
e70bb2e8
JH		 351 kfree(rp);
352
353 return err;
354}
355
04124681
GP		 356static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
357 u16 data_len)
faba42eb 358{
faba42eb 359 struct mgmt_rp_read_index_list *rp;
8035ded4 360 struct hci_dev *d;
a38528f1 361 size_t rp_len;
faba42eb 362 u16 count;
476e44cb 363 int err;
faba42eb
JH		 364
365 BT_DBG("sock %p", sk);
366
367 read_lock(&hci_dev_list_lock);
368
369 count = 0;
bb4b2a9a 370 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a
MH		 371 if (d->dev_type == HCI_BREDR &&
372 !test_bit(HCI_UNCONFIGURED, &d->dev_flags))
1514b892 373 count++;
faba42eb
JH		 374 }
375
a38528f1
JH		 376 rp_len = sizeof(*rp) + (2 * count);
377 rp = kmalloc(rp_len, GFP_ATOMIC);
378 if (!rp) {
b2c60d42 379 read_unlock(&hci_dev_list_lock);
faba42eb 380 return -ENOMEM;
b2c60d42 381 }
faba42eb 382
476e44cb 383 count = 0;
8035ded4 384 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 385 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 386 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a 387 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
ab81cbf9
JH		 388 continue;
389
73d1df2a
MH		 390 /* Devices marked as raw-only are neither configured
391 * nor unconfigured controllers.
392 */
393 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 394 continue;
395
73d1df2a
MH		 396 if (d->dev_type == HCI_BREDR &&
397 !test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
1514b892
MH		 398 rp->index[count++] = cpu_to_le16(d->id);
399 BT_DBG("Added hci%u", d->id);
400 }
faba42eb
JH		 401 }
402
476e44cb
JH		 403 rp->num_controllers = cpu_to_le16(count);
404 rp_len = sizeof(*rp) + (2 * count);
405
faba42eb
JH		 406 read_unlock(&hci_dev_list_lock);
407
aee9b218 408 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
04124681 409 rp_len);
faba42eb 410
a38528f1
JH		 411 kfree(rp);
412
413 return err;
faba42eb
JH		 414}
415
73d1df2a
MH		 416static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
417 void *data, u16 data_len)
418{
419 struct mgmt_rp_read_unconf_index_list *rp;
420 struct hci_dev *d;
421 size_t rp_len;
422 u16 count;
423 int err;
424
425 BT_DBG("sock %p", sk);
426
427 read_lock(&hci_dev_list_lock);
428
429 count = 0;
430 list_for_each_entry(d, &hci_dev_list, list) {
431 if (d->dev_type == HCI_BREDR &&
432 test_bit(HCI_UNCONFIGURED, &d->dev_flags))
433 count++;
434 }
435
436 rp_len = sizeof(*rp) + (2 * count);
437 rp = kmalloc(rp_len, GFP_ATOMIC);
438 if (!rp) {
439 read_unlock(&hci_dev_list_lock);
440 return -ENOMEM;
441 }
442
443 count = 0;
444 list_for_each_entry(d, &hci_dev_list, list) {
445 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 446 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a
MH		 447 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
448 continue;
449
450 /* Devices marked as raw-only are neither configured
451 * nor unconfigured controllers.
452 */
453 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
454 continue;
455
456 if (d->dev_type == HCI_BREDR &&
457 test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
458 rp->index[count++] = cpu_to_le16(d->id);
459 BT_DBG("Added hci%u", d->id);
460 }
461 }
462
463 rp->num_controllers = cpu_to_le16(count);
464 rp_len = sizeof(*rp) + (2 * count);
465
466 read_unlock(&hci_dev_list_lock);
467
468 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_UNCONF_INDEX_LIST,
469 0, rp, rp_len);
470
471 kfree(rp);
472
473 return err;
474}
475
dbece37a
MH		 476static bool is_configured(struct hci_dev *hdev)
477{
478 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
479 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
480 return false;
481
482 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
483 !bacmp(&hdev->public_addr, BDADDR_ANY))
484 return false;
485
486 return true;
487}
488
89bc22d2
MH		 489static __le32 get_missing_options(struct hci_dev *hdev)
490{
491 u32 options = 0;
492
dbece37a
MH		 493 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
494 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
eb1904f4
MH		 495 options |= MGMT_OPTION_EXTERNAL_CONFIG;
496
89bc22d2
MH		 497 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
498 !bacmp(&hdev->public_addr, BDADDR_ANY))
499 options |= MGMT_OPTION_PUBLIC_ADDRESS;
500
501 return cpu_to_le32(options);
502}
503
f4537c04
MH		 504static int new_options(struct hci_dev *hdev, struct sock *skip)
505{
506 __le32 options = get_missing_options(hdev);
507
508 return mgmt_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
509 sizeof(options), skip);
510}
511
dbece37a
MH		 512static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
513{
514 __le32 options = get_missing_options(hdev);
515
516 return cmd_complete(sk, hdev->id, opcode, 0, &options,
517 sizeof(options));
518}
519
9fc3bfb6
MH		 520static int read_config_info(struct sock *sk, struct hci_dev *hdev,
521 void *data, u16 data_len)
522{
523 struct mgmt_rp_read_config_info rp;
89bc22d2 524 u32 options = 0;
9fc3bfb6
MH		 525
526 BT_DBG("sock %p %s", sk, hdev->name);
527
528 hci_dev_lock(hdev);
529
530 memset(&rp, 0, sizeof(rp));
531 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 532
eb1904f4
MH		 533 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
534 options |= MGMT_OPTION_EXTERNAL_CONFIG;
535
9fc3bfb6 536 if (hdev->set_bdaddr)
89bc22d2
MH		 537 options |= MGMT_OPTION_PUBLIC_ADDRESS;
538
539 rp.supported_options = cpu_to_le32(options);
540 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 541
542 hci_dev_unlock(hdev);
543
544 return cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, &rp,
545 sizeof(rp));
546}
547
69ab39ea
JH		 548static u32 get_supported_settings(struct hci_dev *hdev)
549{
550 u32 settings = 0;
551
552 settings |= MGMT_SETTING_POWERED;
b2939475 553 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 554 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 555 settings |= MGMT_SETTING_CONNECTABLE;
556 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 557
ed3fa31f 558 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 559 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
560 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 561 settings |= MGMT_SETTING_BREDR;
562 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 563
564 if (lmp_ssp_capable(hdev)) {
565 settings |= MGMT_SETTING_SSP;
566 settings |= MGMT_SETTING_HS;
567 }
e98d2ce2 568
5afeac14 569 if (lmp_sc_capable(hdev) ||
111902f7 570 test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
e98d2ce2 571 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 572 }
d7b7e796 573
eeca6f89 574 if (lmp_le_capable(hdev)) {
9d42820f 575 settings |= MGMT_SETTING_LE;
eeca6f89 576 settings |= MGMT_SETTING_ADVERTISING;
0f4bd942 577 settings |= MGMT_SETTING_PRIVACY;
eeca6f89 578 }
69ab39ea 579
eb1904f4
MH		 580 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
581 hdev->set_bdaddr)
9fc3bfb6
MH		 582 settings |= MGMT_SETTING_CONFIGURATION;
583
69ab39ea
JH		 584 return settings;
585}
586
587static u32 get_current_settings(struct hci_dev *hdev)
588{
589 u32 settings = 0;
590
f1f0eb02 591 if (hdev_is_powered(hdev))
f0d4b78a
MH		 592 settings |= MGMT_SETTING_POWERED;
593
5e5282bb 594 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
69ab39ea
JH		 595 settings |= MGMT_SETTING_CONNECTABLE;
596
1a4d3c4b
JH		 597 if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
598 settings |= MGMT_SETTING_FAST_CONNECTABLE;
599
5e5282bb 600 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
69ab39ea
JH		 601 settings |= MGMT_SETTING_DISCOVERABLE;
602
b6ae8457 603 if (test_bit(HCI_BONDABLE, &hdev->dev_flags))
b2939475 604 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 605
56f87901 606 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 607 settings |= MGMT_SETTING_BREDR;
608
06199cf8 609 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 610 settings |= MGMT_SETTING_LE;
611
47990ea0 612 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
69ab39ea
JH		 613 settings |= MGMT_SETTING_LINK_SECURITY;
614
84bde9d6 615 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 616 settings |= MGMT_SETTING_SSP;
617
6d80dfd0
JH		 618 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
619 settings |= MGMT_SETTING_HS;
620
f3d3444a 621 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
eeca6f89
JH		 622 settings |= MGMT_SETTING_ADVERTISING;
623
e98d2ce2
MH		 624 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
625 settings |= MGMT_SETTING_SECURE_CONN;
626
0663b297 627 if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags))
b1de97d8
MH		 628 settings |= MGMT_SETTING_DEBUG_KEYS;
629
0f4bd942
JH		 630 if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
631 settings |= MGMT_SETTING_PRIVACY;
632
69ab39ea
JH		 633 return settings;
634}
635
ef580372
JH		 636#define PNP_INFO_SVCLASS_ID 0x1200
637
213202ed
JH		 638static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
639{
640 u8 *ptr = data, *uuids_start = NULL;
641 struct bt_uuid *uuid;
642
643 if (len < 4)
644 return ptr;
645
646 list_for_each_entry(uuid, &hdev->uuids, list) {
647 u16 uuid16;
648
649 if (uuid->size != 16)
650 continue;
651
652 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
653 if (uuid16 < 0x1100)
654 continue;
655
656 if (uuid16 == PNP_INFO_SVCLASS_ID)
657 continue;
658
659 if (!uuids_start) {
660 uuids_start = ptr;
661 uuids_start[0] = 1;
662 uuids_start[1] = EIR_UUID16_ALL;
663 ptr += 2;
664 }
665
666 /* Stop if not enough space to put next UUID */
667 if ((ptr - data) + sizeof(u16) > len) {
668 uuids_start[1] = EIR_UUID16_SOME;
669 break;
670 }
671
672 *ptr++ = (uuid16 & 0x00ff);
673 *ptr++ = (uuid16 & 0xff00) >> 8;
674 uuids_start[0] += sizeof(uuid16);
675 }
676
677 return ptr;
678}
679
cdf1963f
JH		 680static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
681{
682 u8 *ptr = data, *uuids_start = NULL;
683 struct bt_uuid *uuid;
684
685 if (len < 6)
686 return ptr;
687
688 list_for_each_entry(uuid, &hdev->uuids, list) {
689 if (uuid->size != 32)
690 continue;
691
692 if (!uuids_start) {
693 uuids_start = ptr;
694 uuids_start[0] = 1;
695 uuids_start[1] = EIR_UUID32_ALL;
696 ptr += 2;
697 }
698
699 /* Stop if not enough space to put next UUID */
700 if ((ptr - data) + sizeof(u32) > len) {
701 uuids_start[1] = EIR_UUID32_SOME;
702 break;
703 }
704
705 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
706 ptr += sizeof(u32);
707 uuids_start[0] += sizeof(u32);
708 }
709
710 return ptr;
711}
712
c00d575b
JH		 713static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
714{
715 u8 *ptr = data, *uuids_start = NULL;
716 struct bt_uuid *uuid;
717
718 if (len < 18)
719 return ptr;
720
721 list_for_each_entry(uuid, &hdev->uuids, list) {
722 if (uuid->size != 128)
723 continue;
724
725 if (!uuids_start) {
726 uuids_start = ptr;
727 uuids_start[0] = 1;
728 uuids_start[1] = EIR_UUID128_ALL;
729 ptr += 2;
730 }
731
732 /* Stop if not enough space to put next UUID */
733 if ((ptr - data) + 16 > len) {
734 uuids_start[1] = EIR_UUID128_SOME;
735 break;
736 }
737
738 memcpy(ptr, uuid->uuid, 16);
739 ptr += 16;
740 uuids_start[0] += 16;
741 }
742
743 return ptr;
744}
745
eb2a8d20
JH		 746static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
747{
748 struct pending_cmd *cmd;
749
750 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
751 if (cmd->opcode == opcode)
752 return cmd;
753 }
754
755 return NULL;
756}
757
95868426
JH		 758static struct pending_cmd *mgmt_pending_find_data(u16 opcode,
759 struct hci_dev *hdev,
760 const void *data)
761{
762 struct pending_cmd *cmd;
763
764 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
765 if (cmd->user_data != data)
766 continue;
767 if (cmd->opcode == opcode)
768 return cmd;
769 }
770
771 return NULL;
772}
773
f14d8f64
MH		 774static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
775{
7a5f4990
MH		 776 u8 ad_len = 0;
777 size_t name_len;
778
779 name_len = strlen(hdev->dev_name);
780 if (name_len > 0) {
781 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
782
783 if (name_len > max_len) {
784 name_len = max_len;
785 ptr[1] = EIR_NAME_SHORT;
786 } else
787 ptr[1] = EIR_NAME_COMPLETE;
788
789 ptr[0] = name_len + 1;
790
791 memcpy(ptr + 2, hdev->dev_name, name_len);
792
793 ad_len += (name_len + 2);
794 ptr += (name_len + 2);
795 }
796
797 return ad_len;
f14d8f64
MH		 798}
799
800static void update_scan_rsp_data(struct hci_request *req)
801{
802 struct hci_dev *hdev = req->hdev;
803 struct hci_cp_le_set_scan_rsp_data cp;
804 u8 len;
805
7751ef1b 806 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
f14d8f64
MH		 807 return;
808
809 memset(&cp, 0, sizeof(cp));
810
811 len = create_scan_rsp_data(hdev, cp.data);
812
eb438b5f
JH		 813 if (hdev->scan_rsp_data_len == len &&
814 memcmp(cp.data, hdev->scan_rsp_data, len) == 0)
f14d8f64
MH		 815 return;
816
eb438b5f
JH		 817 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
818 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 819
820 cp.length = len;
821
822 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
823}
824
9a43e25f
JH		 825static u8 get_adv_discov_flags(struct hci_dev *hdev)
826{
827 struct pending_cmd *cmd;
828
829 /* If there's a pending mgmt command the flags will not yet have
830 * their final values, so check for this first.
831 */
832 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
833 if (cmd) {
834 struct mgmt_mode *cp = cmd->param;
835 if (cp->val == 0x01)
836 return LE_AD_GENERAL;
837 else if (cp->val == 0x02)
838 return LE_AD_LIMITED;
839 } else {
840 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
841 return LE_AD_LIMITED;
842 else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
843 return LE_AD_GENERAL;
844 }
845
846 return 0;
847}
848
46cad2ed 849static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr)
441ad2d0
MH		 850{
851 u8 ad_len = 0, flags = 0;
441ad2d0 852
9a43e25f 853 flags |= get_adv_discov_flags(hdev);
441ad2d0 854
e834004b 855 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
441ad2d0 856 flags |= LE_AD_NO_BREDR;
441ad2d0
MH		 857
858 if (flags) {
859 BT_DBG("adv flags 0x%02x", flags);
860
861 ptr[0] = 2;
862 ptr[1] = EIR_FLAGS;
863 ptr[2] = flags;
864
865 ad_len += 3;
866 ptr += 3;
867 }
868
869 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
870 ptr[0] = 2;
871 ptr[1] = EIR_TX_POWER;
872 ptr[2] = (u8) hdev->adv_tx_power;
873
874 ad_len += 3;
875 ptr += 3;
876 }
877
441ad2d0
MH		 878 return ad_len;
879}
880
5947f4bc 881static void update_adv_data(struct hci_request *req)
441ad2d0
MH		 882{
883 struct hci_dev *hdev = req->hdev;
884 struct hci_cp_le_set_adv_data cp;
885 u8 len;
886
10994ce6 887 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
441ad2d0
MH		 888 return;
889
890 memset(&cp, 0, sizeof(cp));
891
46cad2ed 892 len = create_adv_data(hdev, cp.data);
441ad2d0
MH		 893
894 if (hdev->adv_data_len == len &&
895 memcmp(cp.data, hdev->adv_data, len) == 0)
896 return;
897
898 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
899 hdev->adv_data_len = len;
900
901 cp.length = len;
902
903 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
904}
905
bc6d2d04
JH		 906int mgmt_update_adv_data(struct hci_dev *hdev)
907{
908 struct hci_request req;
909
910 hci_req_init(&req, hdev);
911 update_adv_data(&req);
912
913 return hci_req_run(&req, NULL);
914}
915
ef580372
JH		 916static void create_eir(struct hci_dev *hdev, u8 *data)
917{
918 u8 *ptr = data;
ef580372
JH		 919 size_t name_len;
920
921 name_len = strlen(hdev->dev_name);
922
923 if (name_len > 0) {
924 /* EIR Data type */
925 if (name_len > 48) {
926 name_len = 48;
927 ptr[1] = EIR_NAME_SHORT;
928 } else
929 ptr[1] = EIR_NAME_COMPLETE;
930
931 /* EIR Data length */
932 ptr[0] = name_len + 1;
933
934 memcpy(ptr + 2, hdev->dev_name, name_len);
935
ef580372
JH		 936 ptr += (name_len + 2);
937 }
938
bbaf444a 939 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 940 ptr[0] = 2;
941 ptr[1] = EIR_TX_POWER;
942 ptr[2] = (u8) hdev->inq_tx_power;
943
91c4e9b1
MH		 944 ptr += 3;
945 }
946
2b9be137
MH		 947 if (hdev->devid_source > 0) {
948 ptr[0] = 9;
949 ptr[1] = EIR_DEVICE_ID;
950
951 put_unaligned_le16(hdev->devid_source, ptr + 2);
952 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
953 put_unaligned_le16(hdev->devid_product, ptr + 6);
954 put_unaligned_le16(hdev->devid_version, ptr + 8);
955
2b9be137
MH		 956 ptr += 10;
957 }
958
213202ed 959 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 960 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 961 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 962}
963
890ea898 964static void update_eir(struct hci_request *req)
ef580372 965{
890ea898 966 struct hci_dev *hdev = req->hdev;
ef580372
JH		 967 struct hci_cp_write_eir cp;
968
504c8dcd 969 if (!hdev_is_powered(hdev))
890ea898 970 return;
7770c4aa 971
976eb20e 972 if (!lmp_ext_inq_capable(hdev))
890ea898 973 return;
ef580372 974
84bde9d6 975 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 976 return;
ef580372 977
a8b2d5c2 978 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 979 return;
ef580372
JH		 980
981 memset(&cp, 0, sizeof(cp));
982
983 create_eir(hdev, cp.data);
984
985 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 986 return;
ef580372
JH		 987
988 memcpy(hdev->eir, cp.data, sizeof(cp.data));
989
890ea898 990 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 991}
992
993static u8 get_service_classes(struct hci_dev *hdev)
994{
995 struct bt_uuid *uuid;
996 u8 val = 0;
997
998 list_for_each_entry(uuid, &hdev->uuids, list)
999 val |= uuid->svc_hint;
1000
1001 return val;
1002}
1003
890ea898 1004static void update_class(struct hci_request *req)
ef580372 1005{
890ea898 1006 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1007 u8 cod[3];
1008
1009 BT_DBG("%s", hdev->name);
1010
504c8dcd 1011 if (!hdev_is_powered(hdev))
890ea898 1012 return;
7770c4aa 1013
f87ea1da
JH		 1014 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1015 return;
1016
a8b2d5c2 1017 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 1018 return;
ef580372
JH		 1019
1020 cod[0] = hdev->minor_class;
1021 cod[1] = hdev->major_class;
1022 cod[2] = get_service_classes(hdev);
1023
6acd7db4
MH		 1024 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
1025 cod[1] |= 0x20;
1026
ef580372 1027 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1028 return;
ef580372 1029
890ea898 1030 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1031}
1032
a4858cb9 1033static bool get_connectable(struct hci_dev *hdev)
199a2fb1
JH		 1034{
1035 struct pending_cmd *cmd;
199a2fb1
JH		 1036
1037 /* If there's a pending mgmt command the flag will not yet have
1038 * it's final value, so check for this first.
1039 */
1040 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1041 if (cmd) {
1042 struct mgmt_mode *cp = cmd->param;
a4858cb9 1043 return cp->val;
199a2fb1
JH		 1044 }
1045
a4858cb9 1046 return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
199a2fb1
JH		 1047}
1048
0ec5ae84
JH		 1049static void disable_advertising(struct hci_request *req)
1050{
1051 u8 enable = 0x00;
1052
1053 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1054}
1055
199a2fb1
JH		 1056static void enable_advertising(struct hci_request *req)
1057{
1058 struct hci_dev *hdev = req->hdev;
1059 struct hci_cp_le_set_adv_param cp;
8f2a0601 1060 u8 own_addr_type, enable = 0x01;
a4858cb9 1061 bool connectable;
199a2fb1 1062
0ec5ae84
JH		 1063 if (hci_conn_num(hdev, LE_LINK) > 0)
1064 return;
1065
1066 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
1067 disable_advertising(req);
1068
5ce194c4 1069 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1070 * hci_update_random_address knows that it's safe to go ahead
1071 * and write a new random address. The flag will be set back on
1072 * as soon as the SET_ADV_ENABLE HCI command completes.
1073 */
5ce194c4 1074 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
8d97250e 1075
a4858cb9 1076 connectable = get_connectable(hdev);
8f2a0601 1077
a4858cb9
JH		 1078 /* Set require_privacy to true only when non-connectable
1079 * advertising is used. In that case it is fine to use a
1080 * non-resolvable private address.
1081 */
1082 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1083 return;
1084
41c90c18 1085 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1086 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1087 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
a4858cb9 1088 cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
8f2a0601 1089 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1090 cp.channel_map = hdev->le_adv_channel_map;
1091
1092 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1093
1094 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1095}
1096
7d78525d
JH		 1097static void service_cache_off(struct work_struct *work)
1098{
1099 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1100 service_cache.work);
890ea898 1101 struct hci_request req;
7d78525d 1102
a8b2d5c2 1103 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
7d78525d
JH		 1104 return;
1105
890ea898
JH		 1106 hci_req_init(&req, hdev);
1107
7d78525d
JH		 1108 hci_dev_lock(hdev);
1109
890ea898
JH		 1110 update_eir(&req);
1111 update_class(&req);
7d78525d
JH		 1112
1113 hci_dev_unlock(hdev);
890ea898
JH		 1114
1115 hci_req_run(&req, NULL);
7d78525d
JH		 1116}
1117
d6bfd59c
JH		 1118static void rpa_expired(struct work_struct *work)
1119{
1120 struct hci_dev *hdev = container_of(work, struct hci_dev,
1121 rpa_expired.work);
1122 struct hci_request req;
1123
1124 BT_DBG("");
1125
1126 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
1127
0ec5ae84 1128 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
d6bfd59c
JH		 1129 return;
1130
1131 /* The generation of a new RPA and programming it into the
1132 * controller happens in the enable_advertising() function.
1133 */
d6bfd59c 1134 hci_req_init(&req, hdev);
d6bfd59c 1135 enable_advertising(&req);
d6bfd59c
JH		 1136 hci_req_run(&req, NULL);
1137}
1138
6a919082 1139static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1140{
4f87da80 1141 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
6a919082
JH		 1142 return;
1143
4f87da80 1144 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1145 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1146
4f87da80
JH		 1147 /* Non-mgmt controlled devices get this bit set
1148 * implicitly so that pairing works for them, however
1149 * for mgmt we require user-space to explicitly enable
1150 * it
1151 */
b6ae8457 1152 clear_bit(HCI_BONDABLE, &hdev->dev_flags);
7d78525d
JH		 1153}
1154
0f4e68cf 1155static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1156 void *data, u16 data_len)
0381101f 1157{
a38528f1 1158 struct mgmt_rp_read_info rp;
f7b64e69 1159
bdb6d971 1160 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1161
09fd0de5 1162 hci_dev_lock(hdev);
f7b64e69 1163
dc4fe30b
JH		 1164 memset(&rp, 0, sizeof(rp));
1165
69ab39ea 1166 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1167
69ab39ea 1168 rp.version = hdev->hci_ver;
eb55ef07 1169 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1170
1171 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1172 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1173
a38528f1 1174 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1175
dc4fe30b 1176 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1177 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1178
09fd0de5 1179 hci_dev_unlock(hdev);
0381101f 1180
bdb6d971 1181 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
04124681 1182 sizeof(rp));
0381101f
JH		 1183}
1184
eec8d2bc
JH		 1185static void mgmt_pending_free(struct pending_cmd *cmd)
1186{
1187 sock_put(cmd->sk);
c68fb7ff 1188 kfree(cmd->param);
eec8d2bc
JH		 1189 kfree(cmd);
1190}
1191
366a0336 1192static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
04124681
GP		 1193 struct hci_dev *hdev, void *data,
1194 u16 len)
eec8d2bc
JH		 1195{
1196 struct pending_cmd *cmd;
1197
fca20018 1198 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
eec8d2bc 1199 if (!cmd)
366a0336 1200 return NULL;
eec8d2bc
JH		 1201
1202 cmd->opcode = opcode;
2e58ef3e 1203 cmd->index = hdev->id;
eec8d2bc 1204
12b94565 1205 cmd->param = kmalloc(len, GFP_KERNEL);
c68fb7ff 1206 if (!cmd->param) {
eec8d2bc 1207 kfree(cmd);
366a0336 1208 return NULL;
eec8d2bc
JH		 1209 }
1210
8fce6357
SJ		 1211 if (data)
1212 memcpy(cmd->param, data, len);
eec8d2bc
JH		 1213
1214 cmd->sk = sk;
1215 sock_hold(sk);
1216
2e58ef3e 1217 list_add(&cmd->list, &hdev->mgmt_pending);
eec8d2bc 1218
366a0336 1219 return cmd;
eec8d2bc
JH		 1220}
1221
744cf19e 1222static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
8fc9ced3
GP		 1223 void (*cb)(struct pending_cmd *cmd,
1224 void *data),
04124681 1225 void *data)
eec8d2bc 1226{
a3d09356 1227 struct pending_cmd *cmd, *tmp;
eec8d2bc 1228
a3d09356 1229 list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
b24752fe 1230 if (opcode > 0 && cmd->opcode != opcode)
eec8d2bc
JH		 1231 continue;
1232
eec8d2bc
JH		 1233 cb(cmd, data);
1234 }
1235}
1236
a664b5bc 1237static void mgmt_pending_remove(struct pending_cmd *cmd)
73f22f62 1238{
73f22f62
JH		 1239 list_del(&cmd->list);
1240 mgmt_pending_free(cmd);
1241}
1242
69ab39ea 1243static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1244{
69ab39ea 1245 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1246
aee9b218 1247 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
04124681 1248 sizeof(settings));
8680570b
JH		 1249}
1250
8b064a3a
JH		 1251static void clean_up_hci_complete(struct hci_dev *hdev, u8 status)
1252{
1253 BT_DBG("%s status 0x%02x", hdev->name, status);
1254
a3172b7e
JH		 1255 if (hci_conn_count(hdev) == 0) {
1256 cancel_delayed_work(&hdev->power_off);
8b064a3a 1257 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1258 }
8b064a3a
JH		 1259}
1260
23a48093 1261static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1262{
1263 struct hci_dev *hdev = req->hdev;
1264 struct hci_cp_remote_name_req_cancel cp;
1265 struct inquiry_entry *e;
1266
1267 switch (hdev->discovery.state) {
1268 case DISCOVERY_FINDING:
1269 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
1270 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1271 } else {
1272 cancel_delayed_work(&hdev->le_scan_disable);
1273 hci_req_add_le_scan_disable(req);
1274 }
1275
23a48093 1276 return true;
21a60d30
JH		 1277
1278 case DISCOVERY_RESOLVING:
1279 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1280 NAME_PENDING);
1281 if (!e)
23a48093 1282 break;
21a60d30
JH		 1283
1284 bacpy(&cp.bdaddr, &e->data.bdaddr);
1285 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1286 &cp);
1287
23a48093 1288 return true;
21a60d30
JH		 1289
1290 default:
1291 /* Passive scanning */
23a48093 1292 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
21a60d30 1293 hci_req_add_le_scan_disable(req);
23a48093
JH		 1294 return true;
1295 }
1296
21a60d30
JH		 1297 break;
1298 }
23a48093
JH		 1299
1300 return false;
21a60d30
JH		 1301}
1302
8b064a3a
JH		 1303static int clean_up_hci_state(struct hci_dev *hdev)
1304{
1305 struct hci_request req;
1306 struct hci_conn *conn;
23a48093
JH		 1307 bool discov_stopped;
1308 int err;
8b064a3a
JH		 1309
1310 hci_req_init(&req, hdev);
1311
1312 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1313 test_bit(HCI_PSCAN, &hdev->flags)) {
1314 u8 scan = 0x00;
1315 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1316 }
1317
73e082f8 1318 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
8b064a3a
JH		 1319 disable_advertising(&req);
1320
23a48093 1321 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1322
1323 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1324 struct hci_cp_disconnect dc;
c9910d0f
JH		 1325 struct hci_cp_reject_conn_req rej;
1326
1327 switch (conn->state) {
1328 case BT_CONNECTED:
1329 case BT_CONFIG:
1330 dc.handle = cpu_to_le16(conn->handle);
1331 dc.reason = 0x15; /* Terminated due to Power Off */
1332 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1333 break;
1334 case BT_CONNECT:
1335 if (conn->type == LE_LINK)
1336 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1337 0, NULL);
1338 else if (conn->type == ACL_LINK)
1339 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1340 6, &conn->dst);
1341 break;
1342 case BT_CONNECT2:
1343 bacpy(&rej.bdaddr, &conn->dst);
1344 rej.reason = 0x15; /* Terminated due to Power Off */
1345 if (conn->type == ACL_LINK)
1346 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1347 sizeof(rej), &rej);
1348 else if (conn->type == SCO_LINK)
1349 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1350 sizeof(rej), &rej);
1351 break;
1352 }
8b064a3a
JH		 1353 }
1354
23a48093
JH		 1355 err = hci_req_run(&req, clean_up_hci_complete);
1356 if (!err && discov_stopped)
1357 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1358
1359 return err;
8b064a3a
JH		 1360}
1361
bdb6d971 1362static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1363 u16 len)
eec8d2bc 1364{
650f726d 1365 struct mgmt_mode *cp = data;
366a0336 1366 struct pending_cmd *cmd;
4b34ee78 1367 int err;
eec8d2bc 1368
bdb6d971 1369 BT_DBG("request for %s", hdev->name);
eec8d2bc 1370
a7e80f25
JH		 1371 if (cp->val != 0x00 && cp->val != 0x01)
1372 return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1373 MGMT_STATUS_INVALID_PARAMS);
1374
09fd0de5 1375 hci_dev_lock(hdev);
eec8d2bc 1376
87b95ba6
JH		 1377 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
1378 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1379 MGMT_STATUS_BUSY);
1380 goto failed;
1381 }
1382
f0d4b78a
MH		 1383 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
1384 cancel_delayed_work(&hdev->power_off);
1385
1386 if (cp->val) {
a1d70450
JH		 1387 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1388 data, len);
1389 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1390 goto failed;
1391 }
1392 }
1393
4b34ee78 1394 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1395 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1396 goto failed;
1397 }
1398
2e58ef3e 1399 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1400 if (!cmd) {
1401 err = -ENOMEM;
eec8d2bc 1402 goto failed;
366a0336 1403 }
eec8d2bc 1404
8b064a3a 1405 if (cp->val) {
19202573 1406 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1407 err = 0;
1408 } else {
1409 /* Disconnect connections, stop scans, etc */
1410 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1411 if (!err)
1412 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1413 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1414
8b064a3a
JH		 1415 /* ENODATA means there were no HCI commands queued */
1416 if (err == -ENODATA) {
a3172b7e 1417 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1418 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1419 err = 0;
1420 }
1421 }
eec8d2bc
JH		 1422
1423failed:
09fd0de5 1424 hci_dev_unlock(hdev);
366a0336 1425 return err;
eec8d2bc
JH		 1426}
1427
beadb2bd
JH		 1428static int new_settings(struct hci_dev *hdev, struct sock *skip)
1429{
1430 __le32 ev;
1431
1432 ev = cpu_to_le32(get_current_settings(hdev));
1433
1434 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
1435}
1436
91a668b0
JH		 1437int mgmt_new_settings(struct hci_dev *hdev)
1438{
1439 return new_settings(hdev, NULL);
1440}
1441
bd99abdd
JH		 1442struct cmd_lookup {
1443 struct sock *sk;
1444 struct hci_dev *hdev;
1445 u8 mgmt_status;
1446};
1447
1448static void settings_rsp(struct pending_cmd *cmd, void *data)
1449{
1450 struct cmd_lookup *match = data;
1451
1452 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1453
1454 list_del(&cmd->list);
1455
1456 if (match->sk == NULL) {
1457 match->sk = cmd->sk;
1458 sock_hold(match->sk);
1459 }
1460
1461 mgmt_pending_free(cmd);
1462}
1463
1464static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
1465{
1466 u8 *status = data;
1467
1468 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1469 mgmt_pending_remove(cmd);
1470}
1471
e6fe7986
JH		 1472static u8 mgmt_bredr_support(struct hci_dev *hdev)
1473{
1474 if (!lmp_bredr_capable(hdev))
1475 return MGMT_STATUS_NOT_SUPPORTED;
1476 else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1477 return MGMT_STATUS_REJECTED;
1478 else
1479 return MGMT_STATUS_SUCCESS;
1480}
1481
1482static u8 mgmt_le_support(struct hci_dev *hdev)
1483{
1484 if (!lmp_le_capable(hdev))
1485 return MGMT_STATUS_NOT_SUPPORTED;
1486 else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
1487 return MGMT_STATUS_REJECTED;
1488 else
1489 return MGMT_STATUS_SUCCESS;
1490}
1491
bfaf8c9f
JH		 1492static void set_discoverable_complete(struct hci_dev *hdev, u8 status)
1493{
1494 struct pending_cmd *cmd;
1495 struct mgmt_mode *cp;
970ba524 1496 struct hci_request req;
bfaf8c9f
JH		 1497 bool changed;
1498
1499 BT_DBG("status 0x%02x", status);
1500
1501 hci_dev_lock(hdev);
1502
1503 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1504 if (!cmd)
1505 goto unlock;
1506
1507 if (status) {
1508 u8 mgmt_err = mgmt_status(status);
1509 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
310a3d48 1510 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
bfaf8c9f
JH		 1511 goto remove_cmd;
1512 }
1513
1514 cp = cmd->param;
d4462a07 1515 if (cp->val) {
bfaf8c9f
JH		 1516 changed = !test_and_set_bit(HCI_DISCOVERABLE,
1517 &hdev->dev_flags);
d4462a07
MH		 1518
1519 if (hdev->discov_timeout > 0) {
1520 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1521 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1522 to);
1523 }
1524 } else {
bfaf8c9f
JH		 1525 changed = test_and_clear_bit(HCI_DISCOVERABLE,
1526 &hdev->dev_flags);
d4462a07 1527 }
bfaf8c9f
JH		 1528
1529 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1530
1531 if (changed)
1532 new_settings(hdev, cmd->sk);
1533
970ba524
MH		 1534 /* When the discoverable mode gets changed, make sure
1535 * that class of device has the limited discoverable
432df05e
JH		 1536 * bit correctly set. Also update page scan based on whitelist
1537 * entries.
970ba524
MH		 1538 */
1539 hci_req_init(&req, hdev);
432df05e 1540 hci_update_page_scan(hdev, &req);
970ba524
MH		 1541 update_class(&req);
1542 hci_req_run(&req, NULL);
1543
bfaf8c9f
JH		 1544remove_cmd:
1545 mgmt_pending_remove(cmd);
1546
1547unlock:
1548 hci_dev_unlock(hdev);
1549}
1550
bdb6d971 1551static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1552 u16 len)
73f22f62 1553{
650f726d 1554 struct mgmt_cp_set_discoverable *cp = data;
366a0336 1555 struct pending_cmd *cmd;
bfaf8c9f 1556 struct hci_request req;
5e5282bb 1557 u16 timeout;
9a43e25f 1558 u8 scan;
73f22f62
JH		 1559 int err;
1560
bdb6d971 1561 BT_DBG("request for %s", hdev->name);
73f22f62 1562
9a43e25f
JH		 1563 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1564 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1565 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
9a43e25f 1566 MGMT_STATUS_REJECTED);
33c525c0 1567
310a3d48 1568 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a7e80f25
JH		 1569 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1570 MGMT_STATUS_INVALID_PARAMS);
1571
1f350c87 1572 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1573
1574 /* Disabling discoverable requires that no timeout is set,
1575 * and enabling limited discoverable requires a timeout.
1576 */
1577 if ((cp->val == 0x00 && timeout > 0) ||
1578 (cp->val == 0x02 && timeout == 0))
bdb6d971 1579 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1580 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1581
09fd0de5 1582 hci_dev_lock(hdev);
73f22f62 1583
5e5282bb 1584 if (!hdev_is_powered(hdev) && timeout > 0) {
bdb6d971 1585 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1586 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1587 goto failed;
1588 }
1589
2e58ef3e 1590 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1591 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1592 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1593 MGMT_STATUS_BUSY);
73f22f62
JH		 1594 goto failed;
1595 }
1596
5e5282bb 1597 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
bdb6d971 1598 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1599 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1600 goto failed;
1601 }
1602
1603 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1604 bool changed = false;
1605
310a3d48
MH		 1606 /* Setting limited discoverable when powered off is
1607 * not a valid operation since it requires a timeout
1608 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1609 */
0224d2fa
JH		 1610 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
1611 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1612 changed = true;
1613 }
1614
5e5282bb 1615 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1616 if (err < 0)
1617 goto failed;
1618
1619 if (changed)
1620 err = new_settings(hdev, sk);
1621
5e5282bb
JH		 1622 goto failed;
1623 }
1624
310a3d48
MH		 1625 /* If the current mode is the same, then just update the timeout
1626 * value with the new value. And if only the timeout gets updated,
1627 * then no need for any HCI transactions.
1628 */
1629 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) &&
1630 (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE,
1631 &hdev->dev_flags)) {
36261547
MH		 1632 cancel_delayed_work(&hdev->discov_off);
1633 hdev->discov_timeout = timeout;
955638ec 1634
36261547
MH		 1635 if (cp->val && hdev->discov_timeout > 0) {
1636 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1637 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1638 to);
955638ec
MH		 1639 }
1640
69ab39ea 1641 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1642 goto failed;
1643 }
1644
2e58ef3e 1645 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1646 if (!cmd) {
1647 err = -ENOMEM;
73f22f62 1648 goto failed;
366a0336 1649 }
73f22f62 1650
310a3d48
MH		 1651 /* Cancel any potential discoverable timeout that might be
1652 * still active and store new timeout value. The arming of
1653 * the timeout happens in the complete handler.
1654 */
1655 cancel_delayed_work(&hdev->discov_off);
1656 hdev->discov_timeout = timeout;
1657
b456f87c
JH		 1658 /* Limited discoverable mode */
1659 if (cp->val == 0x02)
1660 set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1661 else
1662 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1663
bfaf8c9f
JH		 1664 hci_req_init(&req, hdev);
1665
9a43e25f
JH		 1666 /* The procedure for LE-only controllers is much simpler - just
1667 * update the advertising data.
1668 */
1669 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1670 goto update_ad;
1671
73f22f62
JH		 1672 scan = SCAN_PAGE;
1673
310a3d48
MH		 1674 if (cp->val) {
1675 struct hci_cp_write_current_iac_lap hci_cp;
1676
1677 if (cp->val == 0x02) {
1678 /* Limited discoverable mode */
33337dcb 1679 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1680 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1681 hci_cp.iac_lap[1] = 0x8b;
1682 hci_cp.iac_lap[2] = 0x9e;
1683 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1684 hci_cp.iac_lap[4] = 0x8b;
1685 hci_cp.iac_lap[5] = 0x9e;
1686 } else {
1687 /* General discoverable mode */
310a3d48
MH		 1688 hci_cp.num_iac = 1;
1689 hci_cp.iac_lap[0] = 0x33; /* GIAC */
1690 hci_cp.iac_lap[1] = 0x8b;
1691 hci_cp.iac_lap[2] = 0x9e;
1692 }
1693
1694 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
1695 (hci_cp.num_iac * 3) + 1, &hci_cp);
1696
73f22f62 1697 scan |= SCAN_INQUIRY;
310a3d48
MH		 1698 } else {
1699 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1700 }
73f22f62 1701
310a3d48 1702 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 1703
9a43e25f
JH		 1704update_ad:
1705 update_adv_data(&req);
1706
bfaf8c9f 1707 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 1708 if (err < 0)
a664b5bc 1709 mgmt_pending_remove(cmd);
73f22f62
JH		 1710
1711failed:
09fd0de5 1712 hci_dev_unlock(hdev);
73f22f62
JH		 1713 return err;
1714}
1715
406d7804
JH		 1716static void write_fast_connectable(struct hci_request *req, bool enable)
1717{
bd98b996 1718 struct hci_dev *hdev = req->hdev;
406d7804
JH		 1719 struct hci_cp_write_page_scan_activity acp;
1720 u8 type;
1721
547003b1
JH		 1722 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1723 return;
1724
4c01f8b8
JH		 1725 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
1726 return;
1727
406d7804
JH		 1728 if (enable) {
1729 type = PAGE_SCAN_TYPE_INTERLACED;
1730
1731 /* 160 msec page scan interval */
dcf4adbf 1732 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 1733 } else {
1734 type = PAGE_SCAN_TYPE_STANDARD; /* default */
1735
1736 /* default 1.28 sec page scan */
dcf4adbf 1737 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 1738 }
1739
dcf4adbf 1740 acp.window = cpu_to_le16(0x0012);
406d7804 1741
bd98b996
JH		 1742 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
1743 __cpu_to_le16(hdev->page_scan_window) != acp.window)
1744 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
1745 sizeof(acp), &acp);
1746
1747 if (hdev->page_scan_type != type)
1748 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 1749}
1750
2b76f453
JH		 1751static void set_connectable_complete(struct hci_dev *hdev, u8 status)
1752{
1753 struct pending_cmd *cmd;
d7b856f9 1754 struct mgmt_mode *cp;
bc6d2d04 1755 bool conn_changed, discov_changed;
2b76f453
JH		 1756
1757 BT_DBG("status 0x%02x", status);
1758
1759 hci_dev_lock(hdev);
1760
1761 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1762 if (!cmd)
1763 goto unlock;
1764
37438c1f
JH		 1765 if (status) {
1766 u8 mgmt_err = mgmt_status(status);
1767 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1768 goto remove_cmd;
1769 }
1770
d7b856f9 1771 cp = cmd->param;
bc6d2d04
JH		 1772 if (cp->val) {
1773 conn_changed = !test_and_set_bit(HCI_CONNECTABLE,
1774 &hdev->dev_flags);
1775 discov_changed = false;
1776 } else {
1777 conn_changed = test_and_clear_bit(HCI_CONNECTABLE,
1778 &hdev->dev_flags);
1779 discov_changed = test_and_clear_bit(HCI_DISCOVERABLE,
1780 &hdev->dev_flags);
1781 }
d7b856f9 1782
2b76f453
JH		 1783 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1784
bc6d2d04 1785 if (conn_changed || discov_changed) {
d7b856f9 1786 new_settings(hdev, cmd->sk);
432df05e 1787 hci_update_page_scan(hdev, NULL);
bc6d2d04
JH		 1788 if (discov_changed)
1789 mgmt_update_adv_data(hdev);
2b7be33e
JH		 1790 hci_update_background_scan(hdev);
1791 }
d7b856f9 1792
37438c1f 1793remove_cmd:
2b76f453
JH		 1794 mgmt_pending_remove(cmd);
1795
1796unlock:
1797 hci_dev_unlock(hdev);
1798}
1799
e8ba3a1f
JH		 1800static int set_connectable_update_settings(struct hci_dev *hdev,
1801 struct sock *sk, u8 val)
1802{
1803 bool changed = false;
1804 int err;
1805
1806 if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
1807 changed = true;
1808
1809 if (val) {
1810 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1811 } else {
1812 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1813 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1814 }
1815
1816 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1817 if (err < 0)
1818 return err;
1819
562064e6 1820 if (changed) {
432df05e 1821 hci_update_page_scan(hdev, NULL);
562064e6 1822 hci_update_background_scan(hdev);
e8ba3a1f 1823 return new_settings(hdev, sk);
562064e6 1824 }
e8ba3a1f
JH		 1825
1826 return 0;
1827}
1828
bdb6d971 1829static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1830 u16 len)
9fbcbb45 1831{
650f726d 1832 struct mgmt_mode *cp = data;
366a0336 1833 struct pending_cmd *cmd;
2b76f453 1834 struct hci_request req;
1987fdc7 1835 u8 scan;
9fbcbb45
JH		 1836 int err;
1837
bdb6d971 1838 BT_DBG("request for %s", hdev->name);
9fbcbb45 1839
1987fdc7
JH		 1840 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1841 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1842 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1987fdc7 1843 MGMT_STATUS_REJECTED);
33c525c0 1844
a7e80f25
JH		 1845 if (cp->val != 0x00 && cp->val != 0x01)
1846 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1847 MGMT_STATUS_INVALID_PARAMS);
1848
09fd0de5 1849 hci_dev_lock(hdev);
9fbcbb45 1850
4b34ee78 1851 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1852 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1853 goto failed;
1854 }
1855
2e58ef3e 1856 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1857 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1858 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
04124681 1859 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1860 goto failed;
1861 }
1862
2e58ef3e 1863 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1864 if (!cmd) {
1865 err = -ENOMEM;
9fbcbb45 1866 goto failed;
366a0336 1867 }
9fbcbb45 1868
9b74246f 1869 hci_req_init(&req, hdev);
9fbcbb45 1870
9a43e25f
JH		 1871 /* If BR/EDR is not enabled and we disable advertising as a
1872 * by-product of disabling connectable, we need to update the
1873 * advertising flags.
1874 */
1875 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
1876 if (!cp->val) {
1877 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1878 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1879 }
1880 update_adv_data(&req);
1881 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 1882 if (cp->val) {
1883 scan = SCAN_PAGE;
1884 } else {
3bd27240
JH		 1885 /* If we don't have any whitelist entries just
1886 * disable all scanning. If there are entries
1887 * and we had both page and inquiry scanning
1888 * enabled then fall back to only page scanning.
1889 * Otherwise no changes are needed.
1890 */
1891 if (list_empty(&hdev->whitelist))
1892 scan = SCAN_DISABLED;
1893 else if (test_bit(HCI_ISCAN, &hdev->flags))
1894 scan = SCAN_PAGE;
1895 else
1896 goto no_scan_update;
9b74246f
JH		 1897
1898 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 1899 hdev->discov_timeout > 0)
9b74246f
JH		 1900 cancel_delayed_work(&hdev->discov_off);
1901 }
2b76f453 1902
9b74246f
JH		 1903 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1904 }
2b76f453 1905
3bd27240 1906no_scan_update:
4c01f8b8
JH		 1907 /* If we're going from non-connectable to connectable or
1908 * vice-versa when fast connectable is enabled ensure that fast
1909 * connectable gets disabled. write_fast_connectable won't do
1910 * anything if the page scan parameters are already what they
1911 * should be.
1912 */
1913 if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
e36a3769
JH		 1914 write_fast_connectable(&req, false);
1915
e8b1202c
JH		 1916 /* Update the advertising parameters if necessary */
1917 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
1987fdc7 1918 enable_advertising(&req);
1987fdc7 1919
2b76f453 1920 err = hci_req_run(&req, set_connectable_complete);
9b74246f 1921 if (err < 0) {
a664b5bc 1922 mgmt_pending_remove(cmd);
9b74246f 1923 if (err == -ENODATA)
a81070ba
JH		 1924 err = set_connectable_update_settings(hdev, sk,
1925 cp->val);
9b74246f
JH		 1926 goto failed;
1927 }
9fbcbb45
JH		 1928
1929failed:
09fd0de5 1930 hci_dev_unlock(hdev);
9fbcbb45
JH		 1931 return err;
1932}
1933
b2939475 1934static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1935 u16 len)
c542a06c 1936{
650f726d 1937 struct mgmt_mode *cp = data;
55594356 1938 bool changed;
c542a06c
JH		 1939 int err;
1940
bdb6d971 1941 BT_DBG("request for %s", hdev->name);
c542a06c 1942
a7e80f25 1943 if (cp->val != 0x00 && cp->val != 0x01)
b2939475 1944 return cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
a7e80f25
JH		 1945 MGMT_STATUS_INVALID_PARAMS);
1946
09fd0de5 1947 hci_dev_lock(hdev);
c542a06c
JH		 1948
1949 if (cp->val)
b6ae8457 1950 changed = !test_and_set_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1951 else
b6ae8457 1952 changed = test_and_clear_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1953
b2939475 1954 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 1955 if (err < 0)
55594356 1956 goto unlock;
c542a06c 1957
55594356
MH		 1958 if (changed)
1959 err = new_settings(hdev, sk);
c542a06c 1960
55594356 1961unlock:
09fd0de5 1962 hci_dev_unlock(hdev);
c542a06c
JH		 1963 return err;
1964}
1965
04124681
GP		 1966static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1967 u16 len)
33ef95ed
JH		 1968{
1969 struct mgmt_mode *cp = data;
1970 struct pending_cmd *cmd;
e6fe7986 1971 u8 val, status;
33ef95ed
JH		 1972 int err;
1973
bdb6d971 1974 BT_DBG("request for %s", hdev->name);
33ef95ed 1975
e6fe7986
JH		 1976 status = mgmt_bredr_support(hdev);
1977 if (status)
33c525c0 1978 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
e6fe7986 1979 status);
33c525c0 1980
a7e80f25
JH		 1981 if (cp->val != 0x00 && cp->val != 0x01)
1982 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1983 MGMT_STATUS_INVALID_PARAMS);
1984
33ef95ed
JH		 1985 hci_dev_lock(hdev);
1986
4b34ee78 1987 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1988 bool changed = false;
1989
1990 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
8ce8e2b5 1991 &hdev->dev_flags)) {
47990ea0
JH		 1992 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1993 changed = true;
1994 }
1995
1996 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1997 if (err < 0)
1998 goto failed;
1999
2000 if (changed)
2001 err = new_settings(hdev, sk);
2002
33ef95ed
JH		 2003 goto failed;
2004 }
2005
2006 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
bdb6d971 2007 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
04124681 2008 MGMT_STATUS_BUSY);
33ef95ed
JH		 2009 goto failed;
2010 }
2011
2012 val = !!cp->val;
2013
2014 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2015 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2016 goto failed;
2017 }
2018
2019 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2020 if (!cmd) {
2021 err = -ENOMEM;
2022 goto failed;
2023 }
2024
2025 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2026 if (err < 0) {
2027 mgmt_pending_remove(cmd);
2028 goto failed;
2029 }
2030
2031failed:
2032 hci_dev_unlock(hdev);
33ef95ed
JH		 2033 return err;
2034}
2035
bdb6d971 2036static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2037{
2038 struct mgmt_mode *cp = data;
2039 struct pending_cmd *cmd;
72ef0c1a 2040 u8 status;
ed2c4ee3
JH		 2041 int err;
2042
bdb6d971 2043 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2044
cdba5281
MH		 2045 status = mgmt_bredr_support(hdev);
2046 if (status)
2047 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
2048
13ecd8b6
JH		 2049 if (!lmp_ssp_capable(hdev))
2050 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2051 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2052
a7e80f25
JH		 2053 if (cp->val != 0x00 && cp->val != 0x01)
2054 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2055 MGMT_STATUS_INVALID_PARAMS);
2056
13ecd8b6 2057 hci_dev_lock(hdev);
6c8f12c1 2058
4b34ee78 2059 if (!hdev_is_powered(hdev)) {
9ecb3e24 2060 bool changed;
c0ecddc2 2061
9ecb3e24
MH		 2062 if (cp->val) {
2063 changed = !test_and_set_bit(HCI_SSP_ENABLED,
2064 &hdev->dev_flags);
2065 } else {
2066 changed = test_and_clear_bit(HCI_SSP_ENABLED,
2067 &hdev->dev_flags);
2068 if (!changed)
2069 changed = test_and_clear_bit(HCI_HS_ENABLED,
2070 &hdev->dev_flags);
2071 else
2072 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
c0ecddc2
JH		 2073 }
2074
2075 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2076 if (err < 0)
2077 goto failed;
2078
2079 if (changed)
2080 err = new_settings(hdev, sk);
2081
ed2c4ee3
JH		 2082 goto failed;
2083 }
2084
9ecb3e24
MH		 2085 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) ||
2086 mgmt_pending_find(MGMT_OP_SET_HS, hdev)) {
d97dcb66
SJ		 2087 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2088 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2089 goto failed;
2090 }
2091
72ef0c1a 2092 if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
ed2c4ee3
JH		 2093 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2094 goto failed;
2095 }
2096
2097 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2098 if (!cmd) {
2099 err = -ENOMEM;
2100 goto failed;
2101 }
2102
3769972b
JH		 2103 if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
2104 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2105 sizeof(cp->val), &cp->val);
2106
72ef0c1a 2107 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2108 if (err < 0) {
2109 mgmt_pending_remove(cmd);
2110 goto failed;
2111 }
2112
2113failed:
2114 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2115 return err;
2116}
2117
bdb6d971 2118static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2119{
2120 struct mgmt_mode *cp = data;
ee392693 2121 bool changed;
e6fe7986 2122 u8 status;
ee392693 2123 int err;
6d80dfd0 2124
bdb6d971 2125 BT_DBG("request for %s", hdev->name);
6d80dfd0 2126
e6fe7986
JH		 2127 status = mgmt_bredr_support(hdev);
2128 if (status)
2129 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2130
9ecb3e24
MH		 2131 if (!lmp_ssp_capable(hdev))
2132 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2133 MGMT_STATUS_NOT_SUPPORTED);
2134
2135 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
2136 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2137 MGMT_STATUS_REJECTED);
2138
a7e80f25
JH		 2139 if (cp->val != 0x00 && cp->val != 0x01)
2140 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2141 MGMT_STATUS_INVALID_PARAMS);
2142
ee392693
MH		 2143 hci_dev_lock(hdev);
2144
a0cdf960 2145 if (cp->val) {
ee392693 2146 changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960
MH		 2147 } else {
2148 if (hdev_is_powered(hdev)) {
2149 err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2150 MGMT_STATUS_REJECTED);
2151 goto unlock;
2152 }
2153
ee392693 2154 changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960 2155 }
ee392693
MH		 2156
2157 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2158 if (err < 0)
2159 goto unlock;
2160
2161 if (changed)
2162 err = new_settings(hdev, sk);
6d80dfd0 2163
ee392693
MH		 2164unlock:
2165 hci_dev_unlock(hdev);
2166 return err;
6d80dfd0
JH		 2167}
2168
416a4ae5
JH		 2169static void le_enable_complete(struct hci_dev *hdev, u8 status)
2170{
2171 struct cmd_lookup match = { NULL, hdev };
2172
2173 if (status) {
2174 u8 mgmt_err = mgmt_status(status);
2175
2176 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2177 &mgmt_err);
2178 return;
2179 }
2180
2181 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2182
2183 new_settings(hdev, match.sk);
2184
2185 if (match.sk)
2186 sock_put(match.sk);
441ad2d0
MH		 2187
2188 /* Make sure the controller has a good default for
2189 * advertising data. Restrict the update to when LE
2190 * has actually been enabled. During power on, the
2191 * update in powered_update_hci will take care of it.
2192 */
2193 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2194 struct hci_request req;
2195
2196 hci_dev_lock(hdev);
2197
2198 hci_req_init(&req, hdev);
5947f4bc 2199 update_adv_data(&req);
f14d8f64 2200 update_scan_rsp_data(&req);
441ad2d0
MH		 2201 hci_req_run(&req, NULL);
2202
a70f4b5f
JH		 2203 hci_update_background_scan(hdev);
2204
441ad2d0
MH		 2205 hci_dev_unlock(hdev);
2206 }
416a4ae5
JH		 2207}
2208
bdb6d971 2209static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2210{
2211 struct mgmt_mode *cp = data;
2212 struct hci_cp_write_le_host_supported hci_cp;
2213 struct pending_cmd *cmd;
416a4ae5 2214 struct hci_request req;
06199cf8 2215 int err;
0b60eba1 2216 u8 val, enabled;
06199cf8 2217
bdb6d971 2218 BT_DBG("request for %s", hdev->name);
06199cf8 2219
13ecd8b6
JH		 2220 if (!lmp_le_capable(hdev))
2221 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2222 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2223
a7e80f25
JH		 2224 if (cp->val != 0x00 && cp->val != 0x01)
2225 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2226 MGMT_STATUS_INVALID_PARAMS);
2227
c73eee91 2228 /* LE-only devices do not allow toggling LE on/off */
56f87901 2229 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
c73eee91
JH		 2230 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2231 MGMT_STATUS_REJECTED);
2232
13ecd8b6 2233 hci_dev_lock(hdev);
06199cf8
JH		 2234
2235 val = !!cp->val;
ffa88e02 2236 enabled = lmp_host_le_capable(hdev);
06199cf8 2237
0b60eba1 2238 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2239 bool changed = false;
2240
2241 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2242 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
2243 changed = true;
2244 }
2245
f3d3444a
JH		 2246 if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
2247 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
eeca6f89
JH		 2248 changed = true;
2249 }
2250
06199cf8
JH		 2251 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2252 if (err < 0)
1de028ce 2253 goto unlock;
06199cf8
JH		 2254
2255 if (changed)
2256 err = new_settings(hdev, sk);
2257
1de028ce 2258 goto unlock;
06199cf8
JH		 2259 }
2260
4375f103
JH		 2261 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) ||
2262 mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
bdb6d971 2263 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
04124681 2264 MGMT_STATUS_BUSY);
1de028ce 2265 goto unlock;
06199cf8
JH		 2266 }
2267
2268 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2269 if (!cmd) {
2270 err = -ENOMEM;
1de028ce 2271 goto unlock;
06199cf8
JH		 2272 }
2273
441ad2d0
MH		 2274 hci_req_init(&req, hdev);
2275
06199cf8
JH		 2276 memset(&hci_cp, 0, sizeof(hci_cp));
2277
2278 if (val) {
2279 hci_cp.le = val;
32226e4f 2280 hci_cp.simul = 0x00;
441ad2d0 2281 } else {
73e082f8 2282 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
441ad2d0 2283 disable_advertising(&req);
06199cf8
JH		 2284 }
2285
416a4ae5
JH		 2286 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2287 &hci_cp);
2288
2289 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2290 if (err < 0)
06199cf8 2291 mgmt_pending_remove(cmd);
06199cf8 2292
1de028ce
JH		 2293unlock:
2294 hci_dev_unlock(hdev);
06199cf8
JH		 2295 return err;
2296}
2297
0cab9c80
JH		 2298/* This is a helper function to test for pending mgmt commands that can
2299 * cause CoD or EIR HCI commands. We can only allow one such pending
2300 * mgmt command at a time since otherwise we cannot easily track what
2301 * the current values are, will be, and based on that calculate if a new
2302 * HCI command needs to be sent and if yes with what value.
2303 */
2304static bool pending_eir_or_class(struct hci_dev *hdev)
2305{
2306 struct pending_cmd *cmd;
2307
2308 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2309 switch (cmd->opcode) {
2310 case MGMT_OP_ADD_UUID:
2311 case MGMT_OP_REMOVE_UUID:
2312 case MGMT_OP_SET_DEV_CLASS:
2313 case MGMT_OP_SET_POWERED:
2314 return true;
2315 }
2316 }
2317
2318 return false;
2319}
2320
83be8eca
JH		 2321static const u8 bluetooth_base_uuid[] = {
2322 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2323 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2324};
2325
2326static u8 get_uuid_size(const u8 *uuid)
2327{
2328 u32 val;
2329
2330 if (memcmp(uuid, bluetooth_base_uuid, 12))
2331 return 128;
2332
2333 val = get_unaligned_le32(&uuid[12]);
2334 if (val > 0xffff)
2335 return 32;
2336
2337 return 16;
2338}
2339
92da6097
JH		 2340static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2341{
2342 struct pending_cmd *cmd;
2343
2344 hci_dev_lock(hdev);
2345
2346 cmd = mgmt_pending_find(mgmt_op, hdev);
2347 if (!cmd)
2348 goto unlock;
2349
2350 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
2351 hdev->dev_class, 3);
2352
2353 mgmt_pending_remove(cmd);
2354
2355unlock:
2356 hci_dev_unlock(hdev);
2357}
2358
2359static void add_uuid_complete(struct hci_dev *hdev, u8 status)
2360{
2361 BT_DBG("status 0x%02x", status);
2362
2363 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2364}
2365
bdb6d971 2366static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2367{
650f726d 2368 struct mgmt_cp_add_uuid *cp = data;
90e70454 2369 struct pending_cmd *cmd;
890ea898 2370 struct hci_request req;
2aeb9a1a 2371 struct bt_uuid *uuid;
2aeb9a1a
JH		 2372 int err;
2373
bdb6d971 2374 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2375
09fd0de5 2376 hci_dev_lock(hdev);
2aeb9a1a 2377
0cab9c80 2378 if (pending_eir_or_class(hdev)) {
bdb6d971 2379 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
04124681 2380 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2381 goto failed;
2382 }
2383
92c4c204 2384 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2385 if (!uuid) {
2386 err = -ENOMEM;
2387 goto failed;
2388 }
2389
2390 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2391 uuid->svc_hint = cp->svc_hint;
83be8eca 2392 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2393
de66aa63 2394 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2395
890ea898 2396 hci_req_init(&req, hdev);
1aff6f09 2397
890ea898
JH		 2398 update_class(&req);
2399 update_eir(&req);
2400
92da6097
JH		 2401 err = hci_req_run(&req, add_uuid_complete);
2402 if (err < 0) {
2403 if (err != -ENODATA)
2404 goto failed;
80a1e1db 2405
bdb6d971 2406 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
04124681 2407 hdev->dev_class, 3);
90e70454
JH		 2408 goto failed;
2409 }
2410
2411 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2412 if (!cmd) {
90e70454 2413 err = -ENOMEM;
890ea898
JH		 2414 goto failed;
2415 }
2416
2417 err = 0;
2aeb9a1a
JH		 2418
2419failed:
09fd0de5 2420 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2421 return err;
2422}
2423
24b78d0f
JH		 2424static bool enable_service_cache(struct hci_dev *hdev)
2425{
2426 if (!hdev_is_powered(hdev))
2427 return false;
2428
2429 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
46818ed5
JH		 2430 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2431 CACHE_TIMEOUT);
24b78d0f
JH		 2432 return true;
2433 }
2434
2435 return false;
2436}
2437
92da6097
JH		 2438static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
2439{
2440 BT_DBG("status 0x%02x", status);
2441
2442 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2443}
2444
bdb6d971 2445static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2446 u16 len)
2aeb9a1a 2447{
650f726d 2448 struct mgmt_cp_remove_uuid *cp = data;
90e70454 2449 struct pending_cmd *cmd;
056341c8 2450 struct bt_uuid *match, *tmp;
2aeb9a1a 2451 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2452 struct hci_request req;
2aeb9a1a
JH		 2453 int err, found;
2454
bdb6d971 2455 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2456
09fd0de5 2457 hci_dev_lock(hdev);
2aeb9a1a 2458
0cab9c80 2459 if (pending_eir_or_class(hdev)) {
bdb6d971 2460 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2461 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2462 goto unlock;
2463 }
2464
2aeb9a1a 2465 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2466 hci_uuids_clear(hdev);
4004b6d9 2467
24b78d0f 2468 if (enable_service_cache(hdev)) {
bdb6d971 2469 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2470 0, hdev->dev_class, 3);
24b78d0f
JH		 2471 goto unlock;
2472 }
4004b6d9 2473
9246a869 2474 goto update_class;
2aeb9a1a
JH		 2475 }
2476
2477 found = 0;
2478
056341c8 2479 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2480 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2481 continue;
2482
2483 list_del(&match->list);
482049f7 2484 kfree(match);
2aeb9a1a
JH		 2485 found++;
2486 }
2487
2488 if (found == 0) {
bdb6d971 2489 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2490 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2491 goto unlock;
2492 }
2493
9246a869 2494update_class:
890ea898 2495 hci_req_init(&req, hdev);
1aff6f09 2496
890ea898
JH		 2497 update_class(&req);
2498 update_eir(&req);
2499
92da6097
JH		 2500 err = hci_req_run(&req, remove_uuid_complete);
2501 if (err < 0) {
2502 if (err != -ENODATA)
2503 goto unlock;
80a1e1db 2504
bdb6d971 2505 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
04124681 2506 hdev->dev_class, 3);
90e70454
JH		 2507 goto unlock;
2508 }
2509
2510 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2511 if (!cmd) {
90e70454 2512 err = -ENOMEM;
890ea898
JH		 2513 goto unlock;
2514 }
2515
2516 err = 0;
2aeb9a1a
JH		 2517
2518unlock:
09fd0de5 2519 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2520 return err;
2521}
2522
92da6097
JH		 2523static void set_class_complete(struct hci_dev *hdev, u8 status)
2524{
2525 BT_DBG("status 0x%02x", status);
2526
2527 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2528}
2529
bdb6d971 2530static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2531 u16 len)
1aff6f09 2532{
650f726d 2533 struct mgmt_cp_set_dev_class *cp = data;
90e70454 2534 struct pending_cmd *cmd;
890ea898 2535 struct hci_request req;
1aff6f09
JH		 2536 int err;
2537
bdb6d971 2538 BT_DBG("request for %s", hdev->name);
1aff6f09 2539
6203fc98 2540 if (!lmp_bredr_capable(hdev))
13ecd8b6
JH		 2541 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2542 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2543
0cab9c80 2544 hci_dev_lock(hdev);
ee98f473 2545
0cab9c80
JH		 2546 if (pending_eir_or_class(hdev)) {
2547 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2548 MGMT_STATUS_BUSY);
2549 goto unlock;
2550 }
c95f0ba7 2551
0cab9c80
JH		 2552 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2553 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2554 MGMT_STATUS_INVALID_PARAMS);
2555 goto unlock;
2556 }
575b3a02 2557
932f5ff5
JH		 2558 hdev->major_class = cp->major;
2559 hdev->minor_class = cp->minor;
2560
b5235a65 2561 if (!hdev_is_powered(hdev)) {
bdb6d971 2562 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2563 hdev->dev_class, 3);
b5235a65
JH		 2564 goto unlock;
2565 }
2566
890ea898
JH		 2567 hci_req_init(&req, hdev);
2568
a8b2d5c2 2569 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
7d78525d
JH		 2570 hci_dev_unlock(hdev);
2571 cancel_delayed_work_sync(&hdev->service_cache);
2572 hci_dev_lock(hdev);
890ea898 2573 update_eir(&req);
7d78525d 2574 }
14c0b608 2575
890ea898
JH		 2576 update_class(&req);
2577
92da6097
JH		 2578 err = hci_req_run(&req, set_class_complete);
2579 if (err < 0) {
2580 if (err != -ENODATA)
2581 goto unlock;
1aff6f09 2582
bdb6d971 2583 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2584 hdev->dev_class, 3);
90e70454
JH		 2585 goto unlock;
2586 }
2587
2588 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2589 if (!cmd) {
90e70454 2590 err = -ENOMEM;
890ea898
JH		 2591 goto unlock;
2592 }
2593
2594 err = 0;
1aff6f09 2595
b5235a65 2596unlock:
09fd0de5 2597 hci_dev_unlock(hdev);
1aff6f09
JH		 2598 return err;
2599}
2600
bdb6d971 2601static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2602 u16 len)
55ed8ca1 2603{
650f726d 2604 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2605 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2606 sizeof(struct mgmt_link_key_info));
4e51eae9 2607 u16 key_count, expected_len;
b1de97d8 2608 bool changed;
a492cd52 2609 int i;
55ed8ca1 2610
9060d5cf
MH		 2611 BT_DBG("request for %s", hdev->name);
2612
2613 if (!lmp_bredr_capable(hdev))
2614 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2615 MGMT_STATUS_NOT_SUPPORTED);
2616
1f350c87 2617 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2618 if (key_count > max_key_count) {
2619 BT_ERR("load_link_keys: too big key_count value %u",
2620 key_count);
2621 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2622 MGMT_STATUS_INVALID_PARAMS);
2623 }
55ed8ca1 2624
86742e1e
JH		 2625 expected_len = sizeof(*cp) + key_count *
2626 sizeof(struct mgmt_link_key_info);
a492cd52 2627 if (expected_len != len) {
86742e1e 2628 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2629 expected_len, len);
bdb6d971 2630 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
04124681 2631 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2632 }
2633
4ae14301
JH		 2634 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2635 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2636 MGMT_STATUS_INVALID_PARAMS);
2637
bdb6d971 2638 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2639 key_count);
55ed8ca1 2640
4ee71b20
JH		 2641 for (i = 0; i < key_count; i++) {
2642 struct mgmt_link_key_info *key = &cp->keys[i];
2643
8e991132 2644 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
4ee71b20
JH		 2645 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2646 MGMT_STATUS_INVALID_PARAMS);
2647 }
2648
09fd0de5 2649 hci_dev_lock(hdev);
55ed8ca1
JH		 2650
2651 hci_link_keys_clear(hdev);
2652
55ed8ca1 2653 if (cp->debug_keys)
0663b297
JH		 2654 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
2655 &hdev->dev_flags);
55ed8ca1 2656 else
0663b297
JH		 2657 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
2658 &hdev->dev_flags);
b1de97d8
MH		 2659
2660 if (changed)
2661 new_settings(hdev, NULL);
55ed8ca1 2662
a492cd52 2663 for (i = 0; i < key_count; i++) {
86742e1e 2664 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2665
58e9293c
JH		 2666 /* Always ignore debug keys and require a new pairing if
2667 * the user wants to use them.
2668 */
2669 if (key->type == HCI_LK_DEBUG_COMBINATION)
2670 continue;
2671
7652ff6a
JH		 2672 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2673 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2674 }
2675
bdb6d971 2676 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2677
09fd0de5 2678 hci_dev_unlock(hdev);
55ed8ca1 2679
a492cd52 2680 return 0;
55ed8ca1
JH		 2681}
2682
b1078ad0 2683static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2684 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2685{
2686 struct mgmt_ev_device_unpaired ev;
2687
2688 bacpy(&ev.addr.bdaddr, bdaddr);
2689 ev.addr.type = addr_type;
2690
2691 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2692 skip_sk);
b1078ad0
JH		 2693}
2694
bdb6d971 2695static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2696 u16 len)
55ed8ca1 2697{
124f6e35
JH		 2698 struct mgmt_cp_unpair_device *cp = data;
2699 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 2700 struct hci_cp_disconnect dc;
2701 struct pending_cmd *cmd;
55ed8ca1 2702 struct hci_conn *conn;
55ed8ca1
JH		 2703 int err;
2704
a8a1d19e 2705 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2706 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2707 rp.addr.type = cp->addr.type;
a8a1d19e 2708
4ee71b20
JH		 2709 if (!bdaddr_type_is_valid(cp->addr.type))
2710 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2711 MGMT_STATUS_INVALID_PARAMS,
2712 &rp, sizeof(rp));
2713
118da70b
JH		 2714 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2715 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2716 MGMT_STATUS_INVALID_PARAMS,
2717 &rp, sizeof(rp));
2718
4ee71b20
JH		 2719 hci_dev_lock(hdev);
2720
86a8cfc6 2721 if (!hdev_is_powered(hdev)) {
bdb6d971 2722 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2723 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
86a8cfc6
JH		 2724 goto unlock;
2725 }
2726
e0b2b27e 2727 if (cp->addr.type == BDADDR_BREDR) {
124f6e35 2728 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 2729 } else {
2730 u8 addr_type;
2731
2732 if (cp->addr.type == BDADDR_LE_PUBLIC)
2733 addr_type = ADDR_LE_DEV_PUBLIC;
2734 else
2735 addr_type = ADDR_LE_DEV_RANDOM;
2736
a7ec7338
JH		 2737 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2738
a9b0a04c
AG		 2739 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2740
e0b2b27e
JH		 2741 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2742 }
b0dbfb46 2743
55ed8ca1 2744 if (err < 0) {
bdb6d971 2745 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2746 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH		 2747 goto unlock;
2748 }
2749
86a8cfc6 2750 if (cp->disconnect) {
591f47f3 2751 if (cp->addr.type == BDADDR_BREDR)
86a8cfc6 2752 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
8ce8e2b5 2753 &cp->addr.bdaddr);
86a8cfc6
JH		 2754 else
2755 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
8ce8e2b5 2756 &cp->addr.bdaddr);
86a8cfc6
JH		 2757 } else {
2758 conn = NULL;
2759 }
124f6e35 2760
a8a1d19e 2761 if (!conn) {
bdb6d971 2762 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 2763 &rp, sizeof(rp));
b1078ad0 2764 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2765 goto unlock;
2766 }
55ed8ca1 2767
124f6e35 2768 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2769 sizeof(*cp));
a8a1d19e
JH		 2770 if (!cmd) {
2771 err = -ENOMEM;
2772 goto unlock;
55ed8ca1
JH		 2773 }
2774
eb55ef07 2775 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 2776 dc.reason = 0x13; /* Remote User Terminated Connection */
2777 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2778 if (err < 0)
2779 mgmt_pending_remove(cmd);
2780
55ed8ca1 2781unlock:
09fd0de5 2782 hci_dev_unlock(hdev);
55ed8ca1
JH		 2783 return err;
2784}
2785
bdb6d971 2786static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2787 u16 len)
8962ee74 2788{
650f726d 2789 struct mgmt_cp_disconnect *cp = data;
06a63b19 2790 struct mgmt_rp_disconnect rp;
8962ee74 2791 struct hci_cp_disconnect dc;
366a0336 2792 struct pending_cmd *cmd;
8962ee74 2793 struct hci_conn *conn;
8962ee74
JH		 2794 int err;
2795
2796 BT_DBG("");
2797
06a63b19
JH		 2798 memset(&rp, 0, sizeof(rp));
2799 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2800 rp.addr.type = cp->addr.type;
2801
4ee71b20 2802 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH		 2803 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2804 MGMT_STATUS_INVALID_PARAMS,
2805 &rp, sizeof(rp));
4ee71b20 2806
09fd0de5 2807 hci_dev_lock(hdev);
8962ee74
JH		 2808
2809 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH		 2810 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2811 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH		 2812 goto failed;
2813 }
2814
2e58ef3e 2815 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH		 2816 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2817 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2818 goto failed;
2819 }
2820
591f47f3 2821 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2822 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2823 &cp->addr.bdaddr);
88c3df13
JH		 2824 else
2825 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 2826
f960727e 2827 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH		 2828 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2829 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH		 2830 goto failed;
2831 }
2832
2e58ef3e 2833 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2834 if (!cmd) {
2835 err = -ENOMEM;
8962ee74 2836 goto failed;
366a0336 2837 }
8962ee74 2838
eb55ef07 2839 dc.handle = cpu_to_le16(conn->handle);
3701f944 2840 dc.reason = HCI_ERROR_REMOTE_USER_TERM;
8962ee74
JH		 2841
2842 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2843 if (err < 0)
a664b5bc 2844 mgmt_pending_remove(cmd);
8962ee74
JH		 2845
2846failed:
09fd0de5 2847 hci_dev_unlock(hdev);
8962ee74
JH		 2848 return err;
2849}
2850
57c1477c 2851static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2852{
2853 switch (link_type) {
2854 case LE_LINK:
48264f06
JH		 2855 switch (addr_type) {
2856 case ADDR_LE_DEV_PUBLIC:
591f47f3 2857 return BDADDR_LE_PUBLIC;
0ed09148 2858
48264f06 2859 default:
0ed09148 2860 /* Fallback to LE Random address type */
591f47f3 2861 return BDADDR_LE_RANDOM;
48264f06 2862 }
0ed09148 2863
4c659c39 2864 default:
0ed09148 2865 /* Fallback to BR/EDR type */
591f47f3 2866 return BDADDR_BREDR;
4c659c39
JH		 2867 }
2868}
2869
04124681
GP		 2870static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2871 u16 data_len)
2784eb41 2872{
2784eb41 2873 struct mgmt_rp_get_connections *rp;
8035ded4 2874 struct hci_conn *c;
a38528f1 2875 size_t rp_len;
60fc5fb6
JH		 2876 int err;
2877 u16 i;
2784eb41
JH		 2878
2879 BT_DBG("");
2880
09fd0de5 2881 hci_dev_lock(hdev);
2784eb41 2882
5f97c1df 2883 if (!hdev_is_powered(hdev)) {
bdb6d971 2884 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 2885 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2886 goto unlock;
2887 }
2888
60fc5fb6 2889 i = 0;
b644ba33
JH		 2890 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2891 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2892 i++;
2784eb41
JH		 2893 }
2894
60fc5fb6 2895 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2896 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2897 if (!rp) {
2784eb41
JH		 2898 err = -ENOMEM;
2899 goto unlock;
2900 }
2901
2784eb41 2902 i = 0;
4c659c39 2903 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2904 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2905 continue;
4c659c39 2906 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2907 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2908 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2909 continue;
2910 i++;
2911 }
2912
eb55ef07 2913 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2914
4c659c39
JH		 2915 /* Recalculate length in case of filtered SCO connections, etc */
2916 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2917
bdb6d971 2918 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 2919 rp_len);
2784eb41 2920
a38528f1 2921 kfree(rp);
5f97c1df
JH		 2922
2923unlock:
09fd0de5 2924 hci_dev_unlock(hdev);
2784eb41
JH		 2925 return err;
2926}
2927
bdb6d971 2928static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2929 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR		 2930{
2931 struct pending_cmd *cmd;
2932 int err;
2933
2e58ef3e 2934 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2935 sizeof(*cp));
96d97a67
WR		 2936 if (!cmd)
2937 return -ENOMEM;
2938
d8457698 2939 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2940 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2941 if (err < 0)
2942 mgmt_pending_remove(cmd);
2943
2944 return err;
2945}
2946
bdb6d971 2947static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2948 u16 len)
980e1a53 2949{
96d97a67 2950 struct hci_conn *conn;
650f726d 2951 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2952 struct hci_cp_pin_code_reply reply;
366a0336 2953 struct pending_cmd *cmd;
980e1a53
JH		 2954 int err;
2955
2956 BT_DBG("");
2957
09fd0de5 2958 hci_dev_lock(hdev);
980e1a53 2959
4b34ee78 2960 if (!hdev_is_powered(hdev)) {
bdb6d971 2961 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2962 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2963 goto failed;
2964 }
2965
d8457698 2966 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2967 if (!conn) {
bdb6d971 2968 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2969 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2970 goto failed;
2971 }
2972
2973 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2974 struct mgmt_cp_pin_code_neg_reply ncp;
2975
2976 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2977
2978 BT_ERR("PIN code is not 16 bytes long");
2979
bdb6d971 2980 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2981 if (err >= 0)
bdb6d971 2982 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2983 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 2984
2985 goto failed;
2986 }
2987
00abfe44 2988 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 2989 if (!cmd) {
2990 err = -ENOMEM;
980e1a53 2991 goto failed;
366a0336 2992 }
980e1a53 2993
d8457698 2994 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2995 reply.pin_len = cp->pin_len;
24718ca5 2996 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 2997
2998 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2999 if (err < 0)
a664b5bc 3000 mgmt_pending_remove(cmd);
980e1a53
JH		 3001
3002failed:
09fd0de5 3003 hci_dev_unlock(hdev);
980e1a53
JH		 3004 return err;
3005}
3006
04124681
GP		 3007static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3008 u16 len)
17fa4b9d 3009{
650f726d 3010 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3011
3012 BT_DBG("");
3013
4ec86d4c
JH		 3014 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
3015 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3016 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
3017
09fd0de5 3018 hci_dev_lock(hdev);
17fa4b9d
JH		 3019
3020 hdev->io_capability = cp->io_capability;
3021
3022 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3023 hdev->io_capability);
17fa4b9d 3024
09fd0de5 3025 hci_dev_unlock(hdev);
17fa4b9d 3026
04124681
GP		 3027 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
3028 0);
17fa4b9d
JH		 3029}
3030
6039aa73 3031static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3032{
3033 struct hci_dev *hdev = conn->hdev;
8035ded4 3034 struct pending_cmd *cmd;
e9a416b5 3035
2e58ef3e 3036 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3037 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3038 continue;
3039
e9a416b5
JH		 3040 if (cmd->user_data != conn)
3041 continue;
3042
3043 return cmd;
3044 }
3045
3046 return NULL;
3047}
3048
3049static void pairing_complete(struct pending_cmd *cmd, u8 status)
3050{
3051 struct mgmt_rp_pair_device rp;
3052 struct hci_conn *conn = cmd->user_data;
3053
61b1a7fb
JH		 3054 bacpy(&rp.addr.bdaddr, &conn->dst);
3055 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3056
aee9b218 3057 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 3058 &rp, sizeof(rp));
e9a416b5
JH		 3059
3060 /* So we don't get further callbacks for this connection */
3061 conn->connect_cfm_cb = NULL;
3062 conn->security_cfm_cb = NULL;
3063 conn->disconn_cfm_cb = NULL;
3064
76a68ba0 3065 hci_conn_drop(conn);
e9a416b5 3066
a664b5bc 3067 mgmt_pending_remove(cmd);
e9a416b5
JH		 3068}
3069
f4a407be
JH		 3070void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3071{
3072 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3073 struct pending_cmd *cmd;
3074
3075 cmd = find_pairing(conn);
3076 if (cmd)
3077 pairing_complete(cmd, status);
3078}
3079
e9a416b5
JH		 3080static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3081{
3082 struct pending_cmd *cmd;
3083
3084 BT_DBG("status %u", status);
3085
3086 cmd = find_pairing(conn);
56e5cb86 3087 if (!cmd)
e9a416b5 3088 BT_DBG("Unable to find a pending command");
56e5cb86 3089 else
e211326c 3090 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH		 3091}
3092
f4a407be 3093static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739
VA		 3094{
3095 struct pending_cmd *cmd;
3096
3097 BT_DBG("status %u", status);
3098
3099 if (!status)
3100 return;
3101
3102 cmd = find_pairing(conn);
3103 if (!cmd)
3104 BT_DBG("Unable to find a pending command");
3105 else
3106 pairing_complete(cmd, mgmt_status(status));
3107}
3108
bdb6d971 3109static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3110 u16 len)
e9a416b5 3111{
650f726d 3112 struct mgmt_cp_pair_device *cp = data;
1425acb7 3113 struct mgmt_rp_pair_device rp;
e9a416b5
JH		 3114 struct pending_cmd *cmd;
3115 u8 sec_level, auth_type;
3116 struct hci_conn *conn;
e9a416b5
JH		 3117 int err;
3118
3119 BT_DBG("");
3120
f950a30e
SJ		 3121 memset(&rp, 0, sizeof(rp));
3122 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3123 rp.addr.type = cp->addr.type;
3124
4ee71b20
JH		 3125 if (!bdaddr_type_is_valid(cp->addr.type))
3126 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3127 MGMT_STATUS_INVALID_PARAMS,
3128 &rp, sizeof(rp));
3129
4ec86d4c
JH		 3130 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
3131 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3132 MGMT_STATUS_INVALID_PARAMS,
3133 &rp, sizeof(rp));
3134
09fd0de5 3135 hci_dev_lock(hdev);
e9a416b5 3136
5f97c1df 3137 if (!hdev_is_powered(hdev)) {
f950a30e
SJ		 3138 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3139 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH		 3140 goto unlock;
3141 }
3142
c908df36 3143 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3144 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3145
6f77d8c7 3146 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3147 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3148 auth_type);
6f77d8c7
AG		 3149 } else {
3150 u8 addr_type;
3151
3152 /* Convert from L2CAP channel address type to HCI address type
3153 */
3154 if (cp->addr.type == BDADDR_LE_PUBLIC)
3155 addr_type = ADDR_LE_DEV_PUBLIC;
3156 else
3157 addr_type = ADDR_LE_DEV_RANDOM;
3158
7c264b10
MH		 3159 /* When pairing a new device, it is expected to remember
3160 * this device for future connections. Adding the connection
3161 * parameter information ahead of time allows tracking
3162 * of the slave preferred values and will speed up any
3163 * further connection establishment.
3164 *
3165 * If connection parameters already exist, then they
3166 * will be kept and this function does nothing.
3167 */
3168 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3169
6f77d8c7 3170 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
e804d25d
JH		 3171 sec_level, HCI_LE_CONN_TIMEOUT,
3172 HCI_ROLE_MASTER);
6f77d8c7 3173 }
7a512d01 3174
30e76272 3175 if (IS_ERR(conn)) {
489dc48e
AK		 3176 int status;
3177
3178 if (PTR_ERR(conn) == -EBUSY)
3179 status = MGMT_STATUS_BUSY;
3180 else
3181 status = MGMT_STATUS_CONNECT_FAILED;
3182
bdb6d971 3183 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 3184 status, &rp,
04124681 3185 sizeof(rp));
e9a416b5
JH		 3186 goto unlock;
3187 }
3188
3189 if (conn->connect_cfm_cb) {
76a68ba0 3190 hci_conn_drop(conn);
bdb6d971 3191 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 3192 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3193 goto unlock;
3194 }
3195
2e58ef3e 3196 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3197 if (!cmd) {
3198 err = -ENOMEM;
76a68ba0 3199 hci_conn_drop(conn);
e9a416b5
JH		 3200 goto unlock;
3201 }
3202
7a512d01 3203 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3204 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3205 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3206 conn->security_cfm_cb = pairing_complete_cb;
3207 conn->disconn_cfm_cb = pairing_complete_cb;
3208 } else {
3209 conn->connect_cfm_cb = le_pairing_complete_cb;
3210 conn->security_cfm_cb = le_pairing_complete_cb;
3211 conn->disconn_cfm_cb = le_pairing_complete_cb;
3212 }
7a512d01 3213
e9a416b5
JH		 3214 conn->io_capability = cp->io_cap;
3215 cmd->user_data = conn;
3216
6f78fd4b 3217 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
e7cafc45 3218 hci_conn_security(conn, sec_level, auth_type, true))
e9a416b5
JH		 3219 pairing_complete(cmd, 0);
3220
3221 err = 0;
3222
3223unlock:
09fd0de5 3224 hci_dev_unlock(hdev);
e9a416b5
JH		 3225 return err;
3226}
3227
04124681
GP		 3228static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3229 u16 len)
28424707 3230{
0f4e68cf 3231 struct mgmt_addr_info *addr = data;
28424707
JH		 3232 struct pending_cmd *cmd;
3233 struct hci_conn *conn;
3234 int err;
3235
3236 BT_DBG("");
3237
28424707
JH		 3238 hci_dev_lock(hdev);
3239
5f97c1df 3240 if (!hdev_is_powered(hdev)) {
bdb6d971 3241 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3242 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3243 goto unlock;
3244 }
3245
28424707
JH		 3246 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3247 if (!cmd) {
bdb6d971 3248 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3249 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3250 goto unlock;
3251 }
3252
3253 conn = cmd->user_data;
3254
3255 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 3256 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3257 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3258 goto unlock;
3259 }
3260
3261 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
3262
bdb6d971 3263 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 3264 addr, sizeof(*addr));
28424707
JH		 3265unlock:
3266 hci_dev_unlock(hdev);
28424707
JH		 3267 return err;
3268}
3269
bdb6d971 3270static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3271 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3272 u16 hci_op, __le32 passkey)
a5c29683 3273{
a5c29683 3274 struct pending_cmd *cmd;
0df4c185 3275 struct hci_conn *conn;
a5c29683
JH		 3276 int err;
3277
09fd0de5 3278 hci_dev_lock(hdev);
08ba5382 3279
4b34ee78 3280 if (!hdev_is_powered(hdev)) {
feb94d3d
JH		 3281 err = cmd_complete(sk, hdev->id, mgmt_op,
3282 MGMT_STATUS_NOT_POWERED, addr,
3283 sizeof(*addr));
0df4c185 3284 goto done;
a5c29683
JH		 3285 }
3286
1707c60e
JH		 3287 if (addr->type == BDADDR_BREDR)
3288 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3289 else
1707c60e 3290 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3291
3292 if (!conn) {
feb94d3d
JH		 3293 err = cmd_complete(sk, hdev->id, mgmt_op,
3294 MGMT_STATUS_NOT_CONNECTED, addr,
3295 sizeof(*addr));
272d90df
JH		 3296 goto done;
3297 }
47c15e2b 3298
1707c60e 3299 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3300 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3301 if (!err)
feb94d3d
JH		 3302 err = cmd_complete(sk, hdev->id, mgmt_op,
3303 MGMT_STATUS_SUCCESS, addr,
3304 sizeof(*addr));
5fe57d9e 3305 else
feb94d3d
JH		 3306 err = cmd_complete(sk, hdev->id, mgmt_op,
3307 MGMT_STATUS_FAILED, addr,
3308 sizeof(*addr));
47c15e2b 3309
47c15e2b
BG		 3310 goto done;
3311 }
3312
1707c60e 3313 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3314 if (!cmd) {
3315 err = -ENOMEM;
0df4c185 3316 goto done;
a5c29683
JH		 3317 }
3318
0df4c185 3319 /* Continue with pairing via HCI */
604086b7
BG		 3320 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3321 struct hci_cp_user_passkey_reply cp;
3322
1707c60e 3323 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3324 cp.passkey = passkey;
3325 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3326 } else
1707c60e
JH		 3327 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3328 &addr->bdaddr);
604086b7 3329
a664b5bc
JH		 3330 if (err < 0)
3331 mgmt_pending_remove(cmd);
a5c29683 3332
0df4c185 3333done:
09fd0de5 3334 hci_dev_unlock(hdev);
a5c29683
JH		 3335 return err;
3336}
3337
afeb019d
JK		 3338static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3339 void *data, u16 len)
3340{
3341 struct mgmt_cp_pin_code_neg_reply *cp = data;
3342
3343 BT_DBG("");
3344
1707c60e 3345 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3346 MGMT_OP_PIN_CODE_NEG_REPLY,
3347 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3348}
3349
04124681
GP		 3350static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3351 u16 len)
0df4c185 3352{
650f726d 3353 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3354
3355 BT_DBG("");
3356
3357 if (len != sizeof(*cp))
bdb6d971 3358 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 3359 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3360
1707c60e 3361 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3362 MGMT_OP_USER_CONFIRM_REPLY,
3363 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3364}
3365
bdb6d971 3366static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3367 void *data, u16 len)
0df4c185 3368{
c9c2659f 3369 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3370
3371 BT_DBG("");
3372
1707c60e 3373 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3374 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3375 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3376}
3377
04124681
GP		 3378static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3379 u16 len)
604086b7 3380{
650f726d 3381 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3382
3383 BT_DBG("");
3384
1707c60e 3385 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3386 MGMT_OP_USER_PASSKEY_REPLY,
3387 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3388}
3389
bdb6d971 3390static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3391 void *data, u16 len)
604086b7 3392{
650f726d 3393 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3394
3395 BT_DBG("");
3396
1707c60e 3397 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3398 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3399 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3400}
3401
13928971 3402static void update_name(struct hci_request *req)
2b4bf397 3403{
13928971 3404 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3405 struct hci_cp_write_local_name cp;
3406
13928971 3407 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3408
890ea898 3409 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3410}
3411
13928971
JH		 3412static void set_name_complete(struct hci_dev *hdev, u8 status)
3413{
3414 struct mgmt_cp_set_local_name *cp;
3415 struct pending_cmd *cmd;
3416
3417 BT_DBG("status 0x%02x", status);
3418
3419 hci_dev_lock(hdev);
3420
3421 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3422 if (!cmd)
3423 goto unlock;
3424
3425 cp = cmd->param;
3426
3427 if (status)
3428 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3429 mgmt_status(status));
3430 else
3431 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3432 cp, sizeof(*cp));
3433
3434 mgmt_pending_remove(cmd);
3435
3436unlock:
3437 hci_dev_unlock(hdev);
3438}
3439
bdb6d971 3440static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3441 u16 len)
b312b161 3442{
2b4bf397 3443 struct mgmt_cp_set_local_name *cp = data;
b312b161 3444 struct pending_cmd *cmd;
890ea898 3445 struct hci_request req;
b312b161
JH		 3446 int err;
3447
3448 BT_DBG("");
3449
09fd0de5 3450 hci_dev_lock(hdev);
b312b161 3451
b3f2ca94
JH		 3452 /* If the old values are the same as the new ones just return a
3453 * direct command complete event.
3454 */
3455 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3456 !memcmp(hdev->short_name, cp->short_name,
3457 sizeof(hdev->short_name))) {
3458 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3459 data, len);
3460 goto failed;
3461 }
3462
2b4bf397 3463 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3464
b5235a65 3465 if (!hdev_is_powered(hdev)) {
2b4bf397 3466 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH		 3467
3468 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 3469 data, len);
28cc7bde
JH		 3470 if (err < 0)
3471 goto failed;
3472
3473 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 3474 sk);
28cc7bde 3475
b5235a65
JH		 3476 goto failed;
3477 }
3478
28cc7bde 3479 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3480 if (!cmd) {
3481 err = -ENOMEM;
3482 goto failed;
3483 }
3484
13928971
JH		 3485 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3486
890ea898 3487 hci_req_init(&req, hdev);
3f985050
JH		 3488
3489 if (lmp_bredr_capable(hdev)) {
3490 update_name(&req);
3491 update_eir(&req);
3492 }
3493
7a5f4990
MH		 3494 /* The name is stored in the scan response data and so
3495 * no need to udpate the advertising data here.
3496 */
3f985050 3497 if (lmp_le_capable(hdev))
7a5f4990 3498 update_scan_rsp_data(&req);
3f985050 3499
13928971 3500 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3501 if (err < 0)
3502 mgmt_pending_remove(cmd);
3503
3504failed:
09fd0de5 3505 hci_dev_unlock(hdev);
b312b161
JH		 3506 return err;
3507}
3508
0f4e68cf 3509static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3510 void *data, u16 data_len)
c35938b2 3511{
c35938b2
SJ		 3512 struct pending_cmd *cmd;
3513 int err;
3514
bdb6d971 3515 BT_DBG("%s", hdev->name);
c35938b2 3516
09fd0de5 3517 hci_dev_lock(hdev);
c35938b2 3518
4b34ee78 3519 if (!hdev_is_powered(hdev)) {
bdb6d971 3520 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3521 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3522 goto unlock;
3523 }
3524
9a1a1996 3525 if (!lmp_ssp_capable(hdev)) {
bdb6d971 3526 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3527 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3528 goto unlock;
3529 }
3530
2e58ef3e 3531 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 3532 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3533 MGMT_STATUS_BUSY);
c35938b2
SJ		 3534 goto unlock;
3535 }
3536
2e58ef3e 3537 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3538 if (!cmd) {
3539 err = -ENOMEM;
3540 goto unlock;
3541 }
3542
4d2d2796
MH		 3543 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
3544 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
3545 0, NULL);
3546 else
3547 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3548
c35938b2
SJ		 3549 if (err < 0)
3550 mgmt_pending_remove(cmd);
3551
3552unlock:
09fd0de5 3553 hci_dev_unlock(hdev);
c35938b2
SJ		 3554 return err;
3555}
3556
bdb6d971 3557static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3558 void *data, u16 len)
2763eda6 3559{
2763eda6
SJ		 3560 int err;
3561
bdb6d971 3562 BT_DBG("%s ", hdev->name);
2763eda6 3563
09fd0de5 3564 hci_dev_lock(hdev);
2763eda6 3565
ec109113
MH		 3566 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3567 struct mgmt_cp_add_remote_oob_data *cp = data;
3568 u8 status;
bf1e3541 3569
ec109113
MH		 3570 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
3571 cp->hash, cp->randomizer);
3572 if (err < 0)
3573 status = MGMT_STATUS_FAILED;
3574 else
3575 status = MGMT_STATUS_SUCCESS;
3576
3577 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3578 status, &cp->addr, sizeof(cp->addr));
3579 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3580 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
3581 u8 status;
3582
3583 err = hci_add_remote_oob_ext_data(hdev, &cp->addr.bdaddr,
3584 cp->hash192,
3585 cp->randomizer192,
3586 cp->hash256,
3587 cp->randomizer256);
3588 if (err < 0)
3589 status = MGMT_STATUS_FAILED;
3590 else
3591 status = MGMT_STATUS_SUCCESS;
3592
3593 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3594 status, &cp->addr, sizeof(cp->addr));
3595 } else {
3596 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3597 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3598 MGMT_STATUS_INVALID_PARAMS);
3599 }
2763eda6 3600
09fd0de5 3601 hci_dev_unlock(hdev);
2763eda6
SJ		 3602 return err;
3603}
3604
bdb6d971 3605static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3606 void *data, u16 len)
2763eda6 3607{
650f726d 3608 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3609 u8 status;
2763eda6
SJ		 3610 int err;
3611
bdb6d971 3612 BT_DBG("%s", hdev->name);
2763eda6 3613
09fd0de5 3614 hci_dev_lock(hdev);
2763eda6 3615
664ce4cc 3616 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2763eda6 3617 if (err < 0)
bf1e3541 3618 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3619 else
a6785be2 3620 status = MGMT_STATUS_SUCCESS;
bf1e3541 3621
bdb6d971 3622 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3623 status, &cp->addr, sizeof(cp->addr));
2763eda6 3624
09fd0de5 3625 hci_dev_unlock(hdev);
2763eda6
SJ		 3626 return err;
3627}
3628
41dc2bd6
AG		 3629static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3630{
3631 struct pending_cmd *cmd;
3632 u8 type;
3633 int err;
3634
3635 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3636
3637 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3638 if (!cmd)
3639 return -ENOENT;
3640
3641 type = hdev->discovery.type;
3642
3643 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3644 &type, sizeof(type));
3645 mgmt_pending_remove(cmd);
3646
3647 return err;
3648}
3649
7c307720
AG		 3650static void start_discovery_complete(struct hci_dev *hdev, u8 status)
3651{
ae55f598
LR		 3652 unsigned long timeout = 0;
3653
7c307720
AG		 3654 BT_DBG("status %d", status);
3655
3656 if (status) {
3657 hci_dev_lock(hdev);
3658 mgmt_start_discovery_failed(hdev, status);
3659 hci_dev_unlock(hdev);
3660 return;
3661 }
3662
3663 hci_dev_lock(hdev);
3664 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
3665 hci_dev_unlock(hdev);
3666
3667 switch (hdev->discovery.type) {
3668 case DISCOV_TYPE_LE:
3d5a76f0 3669 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720
AG		 3670 break;
3671
3672 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3673 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720
AG		 3674 break;
3675
3676 case DISCOV_TYPE_BREDR:
3677 break;
3678
3679 default:
3680 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
3681 }
ae55f598
LR		 3682
3683 if (!timeout)
3684 return;
3685
3686 queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout);
7c307720
AG		 3687}
3688
bdb6d971 3689static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3690 void *data, u16 len)
14a53664 3691{
650f726d 3692 struct mgmt_cp_start_discovery *cp = data;
14a53664 3693 struct pending_cmd *cmd;
7c307720
AG		 3694 struct hci_cp_le_set_scan_param param_cp;
3695 struct hci_cp_le_set_scan_enable enable_cp;
3696 struct hci_cp_inquiry inq_cp;
3697 struct hci_request req;
3698 /* General inquiry access code (GIAC) */
3699 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3700 u8 status, own_addr_type;
14a53664
JH		 3701 int err;
3702
bdb6d971 3703 BT_DBG("%s", hdev->name);
14a53664 3704
09fd0de5 3705 hci_dev_lock(hdev);
14a53664 3706
4b34ee78 3707 if (!hdev_is_powered(hdev)) {
bdb6d971 3708 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3709 MGMT_STATUS_NOT_POWERED);
bd2d1334
JH		 3710 goto failed;
3711 }
3712
642be6c7
AG		 3713 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
3714 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3715 MGMT_STATUS_BUSY);
3716 goto failed;
3717 }
3718
ff9ef578 3719 if (hdev->discovery.state != DISCOVERY_STOPPED) {
bdb6d971 3720 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3721 MGMT_STATUS_BUSY);
ff9ef578
JH		 3722 goto failed;
3723 }
3724
2e58ef3e 3725 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3726 if (!cmd) {
3727 err = -ENOMEM;
3728 goto failed;
3729 }
3730
4aab14e5
AG		 3731 hdev->discovery.type = cp->type;
3732
7c307720
AG		 3733 hci_req_init(&req, hdev);
3734
4aab14e5 3735 switch (hdev->discovery.type) {
f39799f5 3736 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3737 status = mgmt_bredr_support(hdev);
3738 if (status) {
04106755 3739 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3740 status);
04106755
JH		 3741 mgmt_pending_remove(cmd);
3742 goto failed;
3743 }
3744
7c307720
AG		 3745 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
3746 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3747 MGMT_STATUS_BUSY);
3748 mgmt_pending_remove(cmd);
3749 goto failed;
3750 }
3751
3752 hci_inquiry_cache_flush(hdev);
3753
3754 memset(&inq_cp, 0, sizeof(inq_cp));
3755 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3756 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3757 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3758 break;
3759
3760 case DISCOV_TYPE_LE:
7c307720 3761 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3762 status = mgmt_le_support(hdev);
3763 if (status) {
04106755 3764 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3765 status);
04106755
JH		 3766 mgmt_pending_remove(cmd);
3767 goto failed;
3768 }
3769
7c307720 3770 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3771 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
04106755
JH		 3772 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3773 MGMT_STATUS_NOT_SUPPORTED);
3774 mgmt_pending_remove(cmd);
3775 goto failed;
3776 }
3777
e8bb6b97
JH		 3778 if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
3779 /* Don't let discovery abort an outgoing
3780 * connection attempt that's using directed
3781 * advertising.
3782 */
3783 if (hci_conn_hash_lookup_state(hdev, LE_LINK,
3784 BT_CONNECT)) {
3785 err = cmd_status(sk, hdev->id,
3786 MGMT_OP_START_DISCOVERY,
3787 MGMT_STATUS_REJECTED);
3788 mgmt_pending_remove(cmd);
3789 goto failed;
3790 }
3791
3792 disable_advertising(&req);
7c307720
AG		 3793 }
3794
c54c3860
AG		 3795 /* If controller is scanning, it means the background scanning
3796 * is running. Thus, we should temporarily stop it in order to
3797 * set the discovery scanning parameters.
3798 */
3799 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3800 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3801
3802 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3803
94b1fc92
MH		 3804 /* All active scans will be done with either a resolvable
3805 * private address (when privacy feature has been enabled)
3806 * or unresolvable private address.
3807 */
3808 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943
JH		 3809 if (err < 0) {
3810 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3811 MGMT_STATUS_FAILED);
3812 mgmt_pending_remove(cmd);
3813 goto failed;
3814 }
3815
7c307720 3816 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3817 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3818 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3819 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3820 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3821 &param_cp);
3822
3823 memset(&enable_cp, 0, sizeof(enable_cp));
3824 enable_cp.enable = LE_SCAN_ENABLE;
3825 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3826 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3827 &enable_cp);
5e0452c0
AG		 3828 break;
3829
f39799f5 3830 default:
04106755
JH		 3831 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3832 MGMT_STATUS_INVALID_PARAMS);
3833 mgmt_pending_remove(cmd);
3834 goto failed;
f39799f5 3835 }
3fd24153 3836
7c307720 3837 err = hci_req_run(&req, start_discovery_complete);
14a53664
JH		 3838 if (err < 0)
3839 mgmt_pending_remove(cmd);
ff9ef578
JH		 3840 else
3841 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3842
3843failed:
09fd0de5 3844 hci_dev_unlock(hdev);
14a53664
JH		 3845 return err;
3846}
3847
1183fdca
AG		 3848static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3849{
3850 struct pending_cmd *cmd;
3851 int err;
3852
3853 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3854 if (!cmd)
3855 return -ENOENT;
3856
3857 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3858 &hdev->discovery.type, sizeof(hdev->discovery.type));
3859 mgmt_pending_remove(cmd);
3860
3861 return err;
3862}
3863
0e05bba6
AG		 3864static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
3865{
3866 BT_DBG("status %d", status);
3867
3868 hci_dev_lock(hdev);
3869
3870 if (status) {
3871 mgmt_stop_discovery_failed(hdev, status);
3872 goto unlock;
3873 }
3874
3875 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3876
3877unlock:
3878 hci_dev_unlock(hdev);
3879}
3880
bdb6d971 3881static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3882 u16 len)
14a53664 3883{
d930650b 3884 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3885 struct pending_cmd *cmd;
0e05bba6 3886 struct hci_request req;
14a53664
JH		 3887 int err;
3888
bdb6d971 3889 BT_DBG("%s", hdev->name);
14a53664 3890
09fd0de5 3891 hci_dev_lock(hdev);
14a53664 3892
30dc78e1 3893 if (!hci_discovery_active(hdev)) {
bdb6d971 3894 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3895 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3896 sizeof(mgmt_cp->type));
d930650b
JH		 3897 goto unlock;
3898 }
3899
3900 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3901 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3902 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3903 sizeof(mgmt_cp->type));
30dc78e1 3904 goto unlock;
ff9ef578
JH		 3905 }
3906
2e58ef3e 3907 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3908 if (!cmd) {
3909 err = -ENOMEM;
30dc78e1
JH		 3910 goto unlock;
3911 }
3912
0e05bba6
AG		 3913 hci_req_init(&req, hdev);
3914
21a60d30 3915 hci_stop_discovery(&req);
e0d9727e 3916
21a60d30
JH		 3917 err = hci_req_run(&req, stop_discovery_complete);
3918 if (!err) {
3919 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3920 goto unlock;
14a53664
JH		 3921 }
3922
21a60d30
JH		 3923 mgmt_pending_remove(cmd);
3924
3925 /* If no HCI commands were sent we're done */
3926 if (err == -ENODATA) {
3927 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3928 &mgmt_cp->type, sizeof(mgmt_cp->type));
3929 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3930 }
14a53664 3931
30dc78e1 3932unlock:
09fd0de5 3933 hci_dev_unlock(hdev);
14a53664
JH		 3934 return err;
3935}
3936
bdb6d971 3937static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3938 u16 len)
561aafbc 3939{
650f726d 3940 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3941 struct inquiry_entry *e;
561aafbc
JH		 3942 int err;
3943
bdb6d971 3944 BT_DBG("%s", hdev->name);
561aafbc 3945
561aafbc
JH		 3946 hci_dev_lock(hdev);
3947
30dc78e1 3948 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 3949 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3950 MGMT_STATUS_FAILED, &cp->addr,
3951 sizeof(cp->addr));
30dc78e1
JH		 3952 goto failed;
3953 }
3954
a198e7b1 3955 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 3956 if (!e) {
d3a2541d
LR		 3957 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3958 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3959 sizeof(cp->addr));
561aafbc
JH		 3960 goto failed;
3961 }
3962
3963 if (cp->name_known) {
3964 e->name_state = NAME_KNOWN;
3965 list_del(&e->list);
3966 } else {
3967 e->name_state = NAME_NEEDED;
a3d4e20a 3968 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 3969 }
3970
e384662b
JH		 3971 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
3972 sizeof(cp->addr));
561aafbc
JH		 3973
3974failed:
3975 hci_dev_unlock(hdev);
561aafbc
JH		 3976 return err;
3977}
3978
bdb6d971 3979static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3980 u16 len)
7fbec224 3981{
650f726d 3982 struct mgmt_cp_block_device *cp = data;
f0eeea8b 3983 u8 status;
7fbec224
AJ		 3984 int err;
3985
bdb6d971 3986 BT_DBG("%s", hdev->name);
7fbec224 3987
4ee71b20 3988 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 3989 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
3990 MGMT_STATUS_INVALID_PARAMS,
3991 &cp->addr, sizeof(cp->addr));
4ee71b20 3992
09fd0de5 3993 hci_dev_lock(hdev);
5e762444 3994
dcc36c16
JH		 3995 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
3996 cp->addr.type);
2a8357f2 3997 if (err < 0) {
f0eeea8b 3998 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 3999 goto done;
4000 }
4001
4002 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4003 sk);
4004 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4005
2a8357f2 4006done:
bdb6d971 4007 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 4008 &cp->addr, sizeof(cp->addr));
5e762444 4009
09fd0de5 4010 hci_dev_unlock(hdev);
7fbec224
AJ		 4011
4012 return err;
4013}
4014
bdb6d971 4015static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4016 u16 len)
7fbec224 4017{
650f726d 4018 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4019 u8 status;
7fbec224
AJ		 4020 int err;
4021
bdb6d971 4022 BT_DBG("%s", hdev->name);
7fbec224 4023
4ee71b20 4024 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4025 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4026 MGMT_STATUS_INVALID_PARAMS,
4027 &cp->addr, sizeof(cp->addr));
4ee71b20 4028
09fd0de5 4029 hci_dev_lock(hdev);
5e762444 4030
dcc36c16
JH		 4031 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4032 cp->addr.type);
2a8357f2 4033 if (err < 0) {
f0eeea8b 4034 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4035 goto done;
4036 }
4037
4038 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4039 sk);
4040 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4041
2a8357f2 4042done:
bdb6d971 4043 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 4044 &cp->addr, sizeof(cp->addr));
5e762444 4045
09fd0de5 4046 hci_dev_unlock(hdev);
7fbec224
AJ		 4047
4048 return err;
4049}
4050
cdbaccca
MH		 4051static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4052 u16 len)
4053{
4054 struct mgmt_cp_set_device_id *cp = data;
890ea898 4055 struct hci_request req;
cdbaccca 4056 int err;
c72d4b8a 4057 __u16 source;
cdbaccca
MH		 4058
4059 BT_DBG("%s", hdev->name);
4060
c72d4b8a
SJ		 4061 source = __le16_to_cpu(cp->source);
4062
4063 if (source > 0x0002)
4064 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4065 MGMT_STATUS_INVALID_PARAMS);
4066
cdbaccca
MH		 4067 hci_dev_lock(hdev);
4068
c72d4b8a 4069 hdev->devid_source = source;
cdbaccca
MH		 4070 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4071 hdev->devid_product = __le16_to_cpu(cp->product);
4072 hdev->devid_version = __le16_to_cpu(cp->version);
4073
4074 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
4075
890ea898
JH		 4076 hci_req_init(&req, hdev);
4077 update_eir(&req);
4078 hci_req_run(&req, NULL);
cdbaccca
MH		 4079
4080 hci_dev_unlock(hdev);
4081
4082 return err;
4083}
4084
4375f103
JH		 4085static void set_advertising_complete(struct hci_dev *hdev, u8 status)
4086{
4087 struct cmd_lookup match = { NULL, hdev };
4088
4089 if (status) {
4090 u8 mgmt_err = mgmt_status(status);
4091
4092 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4093 cmd_status_rsp, &mgmt_err);
4094 return;
4095 }
4096
c93bd150
JH		 4097 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
4098 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
4099 else
4100 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
4101
4375f103
JH		 4102 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4103 &match);
4104
4105 new_settings(hdev, match.sk);
4106
4107 if (match.sk)
4108 sock_put(match.sk);
4109}
4110
21b5187f
MH		 4111static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4112 u16 len)
4375f103
JH		 4113{
4114 struct mgmt_mode *cp = data;
4115 struct pending_cmd *cmd;
4116 struct hci_request req;
e6fe7986 4117 u8 val, enabled, status;
4375f103
JH		 4118 int err;
4119
4120 BT_DBG("request for %s", hdev->name);
4121
e6fe7986
JH		 4122 status = mgmt_le_support(hdev);
4123 if (status)
4375f103 4124 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 4125 status);
4375f103
JH		 4126
4127 if (cp->val != 0x00 && cp->val != 0x01)
4128 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4129 MGMT_STATUS_INVALID_PARAMS);
4130
4131 hci_dev_lock(hdev);
4132
4133 val = !!cp->val;
f3d3444a 4134 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 4135
f74ca9b8
JH		 4136 /* The following conditions are ones which mean that we should
4137 * not do any HCI communication but directly send a mgmt
4138 * response to user space (after toggling the flag if
4139 * necessary).
4140 */
4141 if (!hdev_is_powered(hdev) || val == enabled ||
e8bb6b97
JH		 4142 hci_conn_num(hdev, LE_LINK) > 0 ||
4143 (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4144 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4375f103
JH		 4145 bool changed = false;
4146
f3d3444a
JH		 4147 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
4148 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 4149 changed = true;
4150 }
4151
4152 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4153 if (err < 0)
4154 goto unlock;
4155
4156 if (changed)
4157 err = new_settings(hdev, sk);
4158
4159 goto unlock;
4160 }
4161
4162 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4163 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
4164 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4165 MGMT_STATUS_BUSY);
4166 goto unlock;
4167 }
4168
4169 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4170 if (!cmd) {
4171 err = -ENOMEM;
4172 goto unlock;
4173 }
4174
4175 hci_req_init(&req, hdev);
4176
bba3aa55
MH		 4177 if (val)
4178 enable_advertising(&req);
4179 else
4180 disable_advertising(&req);
4375f103
JH		 4181
4182 err = hci_req_run(&req, set_advertising_complete);
4183 if (err < 0)
4184 mgmt_pending_remove(cmd);
4185
4186unlock:
4187 hci_dev_unlock(hdev);
4188 return err;
4189}
4190
d13eafce
MH		 4191static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4192 void *data, u16 len)
4193{
4194 struct mgmt_cp_set_static_address *cp = data;
4195 int err;
4196
4197 BT_DBG("%s", hdev->name);
4198
62af4443 4199 if (!lmp_le_capable(hdev))
d13eafce 4200 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 4201 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4202
4203 if (hdev_is_powered(hdev))
4204 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4205 MGMT_STATUS_REJECTED);
4206
4207 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4208 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4209 return cmd_status(sk, hdev->id,
4210 MGMT_OP_SET_STATIC_ADDRESS,
4211 MGMT_STATUS_INVALID_PARAMS);
4212
4213 /* Two most significant bits shall be set */
4214 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4215 return cmd_status(sk, hdev->id,
4216 MGMT_OP_SET_STATIC_ADDRESS,
4217 MGMT_STATUS_INVALID_PARAMS);
4218 }
4219
4220 hci_dev_lock(hdev);
4221
4222 bacpy(&hdev->static_addr, &cp->bdaddr);
4223
4224 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
4225
4226 hci_dev_unlock(hdev);
4227
4228 return err;
4229}
4230
14b49b9a
MH		 4231static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4232 void *data, u16 len)
4233{
4234 struct mgmt_cp_set_scan_params *cp = data;
4235 __u16 interval, window;
4236 int err;
4237
4238 BT_DBG("%s", hdev->name);
4239
4240 if (!lmp_le_capable(hdev))
4241 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4242 MGMT_STATUS_NOT_SUPPORTED);
4243
4244 interval = __le16_to_cpu(cp->interval);
4245
4246 if (interval < 0x0004 || interval > 0x4000)
4247 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4248 MGMT_STATUS_INVALID_PARAMS);
4249
4250 window = __le16_to_cpu(cp->window);
4251
4252 if (window < 0x0004 || window > 0x4000)
4253 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4254 MGMT_STATUS_INVALID_PARAMS);
4255
899e1075
MH		 4256 if (window > interval)
4257 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4258 MGMT_STATUS_INVALID_PARAMS);
4259
14b49b9a
MH		 4260 hci_dev_lock(hdev);
4261
4262 hdev->le_scan_interval = interval;
4263 hdev->le_scan_window = window;
4264
4265 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4266
dd2ef8e2
AG		 4267 /* If background scan is running, restart it so new parameters are
4268 * loaded.
4269 */
4270 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4271 hdev->discovery.state == DISCOVERY_STOPPED) {
4272 struct hci_request req;
4273
4274 hci_req_init(&req, hdev);
4275
4276 hci_req_add_le_scan_disable(&req);
4277 hci_req_add_le_passive_scan(&req);
4278
4279 hci_req_run(&req, NULL);
4280 }
4281
14b49b9a
MH		 4282 hci_dev_unlock(hdev);
4283
4284 return err;
4285}
4286
33e38b3e
JH		 4287static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4288{
4289 struct pending_cmd *cmd;
4290
4291 BT_DBG("status 0x%02x", status);
4292
4293 hci_dev_lock(hdev);
4294
4295 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4296 if (!cmd)
4297 goto unlock;
4298
4299 if (status) {
4300 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4301 mgmt_status(status));
4302 } else {
1a4d3c4b
JH		 4303 struct mgmt_mode *cp = cmd->param;
4304
4305 if (cp->val)
4306 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4307 else
4308 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4309
33e38b3e
JH		 4310 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4311 new_settings(hdev, cmd->sk);
4312 }
4313
4314 mgmt_pending_remove(cmd);
4315
4316unlock:
4317 hci_dev_unlock(hdev);
4318}
4319
bdb6d971 4320static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4321 void *data, u16 len)
f6422ec6 4322{
650f726d 4323 struct mgmt_mode *cp = data;
33e38b3e
JH		 4324 struct pending_cmd *cmd;
4325 struct hci_request req;
f6422ec6
AJ		 4326 int err;
4327
bdb6d971 4328 BT_DBG("%s", hdev->name);
f6422ec6 4329
56f87901
JH		 4330 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4331 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4332 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4333 MGMT_STATUS_NOT_SUPPORTED);
4334
a7e80f25
JH		 4335 if (cp->val != 0x00 && cp->val != 0x01)
4336 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4337 MGMT_STATUS_INVALID_PARAMS);
4338
5400c044 4339 if (!hdev_is_powered(hdev))
bdb6d971 4340 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4341 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4342
4343 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4344 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4345 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4346
4347 hci_dev_lock(hdev);
4348
05cbf29f
JH		 4349 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4350 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4351 MGMT_STATUS_BUSY);
4352 goto unlock;
4353 }
4354
1a4d3c4b
JH		 4355 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4356 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4357 hdev);
4358 goto unlock;
4359 }
4360
33e38b3e
JH		 4361 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4362 data, len);
4363 if (!cmd) {
4364 err = -ENOMEM;
4365 goto unlock;
f6422ec6
AJ		 4366 }
4367
33e38b3e
JH		 4368 hci_req_init(&req, hdev);
4369
406d7804 4370 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4371
4372 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4373 if (err < 0) {
bdb6d971 4374 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4375 MGMT_STATUS_FAILED);
33e38b3e 4376 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4377 }
4378
33e38b3e 4379unlock:
f6422ec6 4380 hci_dev_unlock(hdev);
33e38b3e 4381
f6422ec6
AJ		 4382 return err;
4383}
4384
0663ca2a
JH		 4385static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4386{
4387 struct pending_cmd *cmd;
4388
4389 BT_DBG("status 0x%02x", status);
4390
4391 hci_dev_lock(hdev);
4392
4393 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4394 if (!cmd)
4395 goto unlock;
4396
4397 if (status) {
4398 u8 mgmt_err = mgmt_status(status);
4399
4400 /* We need to restore the flag if related HCI commands
4401 * failed.
4402 */
4403 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4404
4405 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4406 } else {
4407 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4408 new_settings(hdev, cmd->sk);
4409 }
4410
4411 mgmt_pending_remove(cmd);
4412
4413unlock:
4414 hci_dev_unlock(hdev);
4415}
4416
4417static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4418{
4419 struct mgmt_mode *cp = data;
4420 struct pending_cmd *cmd;
4421 struct hci_request req;
4422 int err;
4423
4424 BT_DBG("request for %s", hdev->name);
4425
4426 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4427 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4428 MGMT_STATUS_NOT_SUPPORTED);
4429
4430 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4431 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4432 MGMT_STATUS_REJECTED);
4433
4434 if (cp->val != 0x00 && cp->val != 0x01)
4435 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4436 MGMT_STATUS_INVALID_PARAMS);
4437
4438 hci_dev_lock(hdev);
4439
4440 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4441 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4442 goto unlock;
4443 }
4444
4445 if (!hdev_is_powered(hdev)) {
4446 if (!cp->val) {
0663ca2a
JH		 4447 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4448 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4449 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4450 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4451 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4452 }
4453
4454 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4455
4456 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4457 if (err < 0)
4458 goto unlock;
4459
4460 err = new_settings(hdev, sk);
4461 goto unlock;
4462 }
4463
4464 /* Reject disabling when powered on */
4465 if (!cp->val) {
4466 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4467 MGMT_STATUS_REJECTED);
4468 goto unlock;
4469 }
4470
4471 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4472 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4473 MGMT_STATUS_BUSY);
4474 goto unlock;
4475 }
4476
4477 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4478 if (!cmd) {
4479 err = -ENOMEM;
4480 goto unlock;
4481 }
4482
5947f4bc 4483 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4484 * generates the correct flags.
4485 */
4486 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4487
4488 hci_req_init(&req, hdev);
aa8af46e 4489
432df05e
JH		 4490 write_fast_connectable(&req, false);
4491 hci_update_page_scan(hdev, &req);
aa8af46e 4492
f14d8f64
MH		 4493 /* Since only the advertising data flags will change, there
4494 * is no need to update the scan response data.
4495 */
5947f4bc 4496 update_adv_data(&req);
aa8af46e 4497
0663ca2a
JH		 4498 err = hci_req_run(&req, set_bredr_complete);
4499 if (err < 0)
4500 mgmt_pending_remove(cmd);
4501
4502unlock:
4503 hci_dev_unlock(hdev);
4504 return err;
4505}
4506
eac83dc6
MH		 4507static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4508 void *data, u16 len)
4509{
4510 struct mgmt_mode *cp = data;
4511 struct pending_cmd *cmd;
0ab04a9c 4512 u8 val, status;
eac83dc6
MH		 4513 int err;
4514
4515 BT_DBG("request for %s", hdev->name);
4516
4517 status = mgmt_bredr_support(hdev);
4518 if (status)
4519 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4520 status);
4521
5afeac14 4522 if (!lmp_sc_capable(hdev) &&
111902f7 4523 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4524 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4525 MGMT_STATUS_NOT_SUPPORTED);
4526
0ab04a9c 4527 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4528 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4529 MGMT_STATUS_INVALID_PARAMS);
4530
4531 hci_dev_lock(hdev);
4532
4533 if (!hdev_is_powered(hdev)) {
4534 bool changed;
4535
0ab04a9c 4536 if (cp->val) {
eac83dc6
MH		 4537 changed = !test_and_set_bit(HCI_SC_ENABLED,
4538 &hdev->dev_flags);
0ab04a9c
MH		 4539 if (cp->val == 0x02)
4540 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4541 else
4542 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4543 } else {
eac83dc6
MH		 4544 changed = test_and_clear_bit(HCI_SC_ENABLED,
4545 &hdev->dev_flags);
0ab04a9c
MH		 4546 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4547 }
eac83dc6
MH		 4548
4549 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4550 if (err < 0)
4551 goto failed;
4552
4553 if (changed)
4554 err = new_settings(hdev, sk);
4555
4556 goto failed;
4557 }
4558
4559 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4560 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4561 MGMT_STATUS_BUSY);
4562 goto failed;
4563 }
4564
0ab04a9c
MH		 4565 val = !!cp->val;
4566
4567 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4568 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4569 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4570 goto failed;
4571 }
4572
4573 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4574 if (!cmd) {
4575 err = -ENOMEM;
4576 goto failed;
4577 }
4578
0ab04a9c 4579 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4580 if (err < 0) {
4581 mgmt_pending_remove(cmd);
4582 goto failed;
4583 }
4584
0ab04a9c
MH		 4585 if (cp->val == 0x02)
4586 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4587 else
4588 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4589
eac83dc6
MH		 4590failed:
4591 hci_dev_unlock(hdev);
4592 return err;
4593}
4594
4e39ac81
MH		 4595static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4596 void *data, u16 len)
4597{
4598 struct mgmt_mode *cp = data;
b9710979 4599 bool changed, use_changed;
4e39ac81
MH		 4600 int err;
4601
4602 BT_DBG("request for %s", hdev->name);
4603
b9710979 4604 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4605 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4606 MGMT_STATUS_INVALID_PARAMS);
4607
4608 hci_dev_lock(hdev);
4609
4610 if (cp->val)
0663b297
JH		 4611 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4612 &hdev->dev_flags);
4e39ac81 4613 else
0663b297
JH		 4614 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4615 &hdev->dev_flags);
4e39ac81 4616
b9710979
JH		 4617 if (cp->val == 0x02)
4618 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4619 &hdev->dev_flags);
4620 else
4621 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4622 &hdev->dev_flags);
4623
4624 if (hdev_is_powered(hdev) && use_changed &&
4625 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4626 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4627 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4628 sizeof(mode), &mode);
4629 }
4630
4e39ac81
MH		 4631 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4632 if (err < 0)
4633 goto unlock;
4634
4635 if (changed)
4636 err = new_settings(hdev, sk);
4637
4638unlock:
4639 hci_dev_unlock(hdev);
4640 return err;
4641}
4642
62b04cd1
JH		 4643static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4644 u16 len)
4645{
4646 struct mgmt_cp_set_privacy *cp = cp_data;
4647 bool changed;
4648 int err;
4649
4650 BT_DBG("request for %s", hdev->name);
4651
4652 if (!lmp_le_capable(hdev))
4653 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4654 MGMT_STATUS_NOT_SUPPORTED);
4655
4656 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4657 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4658 MGMT_STATUS_INVALID_PARAMS);
4659
4660 if (hdev_is_powered(hdev))
4661 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4662 MGMT_STATUS_REJECTED);
4663
4664 hci_dev_lock(hdev);
4665
c21c0ea0
JH		 4666 /* If user space supports this command it is also expected to
4667 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4668 */
4669 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4670
62b04cd1
JH		 4671 if (cp->privacy) {
4672 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4673 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4674 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4675 } else {
4676 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4677 memset(hdev->irk, 0, sizeof(hdev->irk));
4678 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4679 }
4680
4681 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4682 if (err < 0)
4683 goto unlock;
4684
4685 if (changed)
4686 err = new_settings(hdev, sk);
4687
4688unlock:
4689 hci_dev_unlock(hdev);
4690 return err;
4691}
4692
41edf160
JH		 4693static bool irk_is_valid(struct mgmt_irk_info *irk)
4694{
4695 switch (irk->addr.type) {
4696 case BDADDR_LE_PUBLIC:
4697 return true;
4698
4699 case BDADDR_LE_RANDOM:
4700 /* Two most significant bits shall be set */
4701 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4702 return false;
4703 return true;
4704 }
4705
4706 return false;
4707}
4708
4709static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4710 u16 len)
4711{
4712 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4713 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4714 sizeof(struct mgmt_irk_info));
41edf160
JH		 4715 u16 irk_count, expected_len;
4716 int i, err;
4717
4718 BT_DBG("request for %s", hdev->name);
4719
4720 if (!lmp_le_capable(hdev))
4721 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4722 MGMT_STATUS_NOT_SUPPORTED);
4723
4724 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4725 if (irk_count > max_irk_count) {
4726 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4727 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4728 MGMT_STATUS_INVALID_PARAMS);
4729 }
41edf160
JH		 4730
4731 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4732 if (expected_len != len) {
4733 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4734 expected_len, len);
41edf160
JH		 4735 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4736 MGMT_STATUS_INVALID_PARAMS);
4737 }
4738
4739 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4740
4741 for (i = 0; i < irk_count; i++) {
4742 struct mgmt_irk_info *key = &cp->irks[i];
4743
4744 if (!irk_is_valid(key))
4745 return cmd_status(sk, hdev->id,
4746 MGMT_OP_LOAD_IRKS,
4747 MGMT_STATUS_INVALID_PARAMS);
4748 }
4749
4750 hci_dev_lock(hdev);
4751
4752 hci_smp_irks_clear(hdev);
4753
4754 for (i = 0; i < irk_count; i++) {
4755 struct mgmt_irk_info *irk = &cp->irks[i];
4756 u8 addr_type;
4757
4758 if (irk->addr.type == BDADDR_LE_PUBLIC)
4759 addr_type = ADDR_LE_DEV_PUBLIC;
4760 else
4761 addr_type = ADDR_LE_DEV_RANDOM;
4762
4763 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4764 BDADDR_ANY);
4765 }
4766
4767 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4768
4769 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4770
4771 hci_dev_unlock(hdev);
4772
4773 return err;
4774}
4775
3f706b72
JH		 4776static bool ltk_is_valid(struct mgmt_ltk_info *key)
4777{
4778 if (key->master != 0x00 && key->master != 0x01)
4779 return false;
490cb0b3
MH		 4780
4781 switch (key->addr.type) {
4782 case BDADDR_LE_PUBLIC:
4783 return true;
4784
4785 case BDADDR_LE_RANDOM:
4786 /* Two most significant bits shall be set */
4787 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4788 return false;
4789 return true;
4790 }
4791
4792 return false;
3f706b72
JH		 4793}
4794
bdb6d971 4795static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4796 void *cp_data, u16 len)
346af67b 4797{
346af67b 4798 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4799 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4800 sizeof(struct mgmt_ltk_info));
346af67b 4801 u16 key_count, expected_len;
715a5bf2 4802 int i, err;
346af67b 4803
cf99ba13
MH		 4804 BT_DBG("request for %s", hdev->name);
4805
4806 if (!lmp_le_capable(hdev))
4807 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4808 MGMT_STATUS_NOT_SUPPORTED);
4809
1f350c87 4810 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4811 if (key_count > max_key_count) {
4812 BT_ERR("load_ltks: too big key_count value %u", key_count);
4813 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4814 MGMT_STATUS_INVALID_PARAMS);
4815 }
346af67b
VCG		 4816
4817 expected_len = sizeof(*cp) + key_count *
4818 sizeof(struct mgmt_ltk_info);
4819 if (expected_len != len) {
4820 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4821 expected_len, len);
bdb6d971 4822 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4823 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4824 }
4825
bdb6d971 4826 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4827
54ad6d8a
JH		 4828 for (i = 0; i < key_count; i++) {
4829 struct mgmt_ltk_info *key = &cp->keys[i];
4830
3f706b72 4831 if (!ltk_is_valid(key))
54ad6d8a
JH		 4832 return cmd_status(sk, hdev->id,
4833 MGMT_OP_LOAD_LONG_TERM_KEYS,
4834 MGMT_STATUS_INVALID_PARAMS);
4835 }
4836
346af67b
VCG		 4837 hci_dev_lock(hdev);
4838
4839 hci_smp_ltks_clear(hdev);
4840
4841 for (i = 0; i < key_count; i++) {
4842 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4843 u8 type, addr_type, authenticated;
79d95a19
MH		 4844
4845 if (key->addr.type == BDADDR_LE_PUBLIC)
4846 addr_type = ADDR_LE_DEV_PUBLIC;
4847 else
4848 addr_type = ADDR_LE_DEV_RANDOM;
346af67b
VCG		 4849
4850 if (key->master)
2ceba539 4851 type = SMP_LTK;
346af67b 4852 else
2ceba539 4853 type = SMP_LTK_SLAVE;
346af67b 4854
61b43357
JH		 4855 switch (key->type) {
4856 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4857 authenticated = 0x00;
61b43357
JH		 4858 break;
4859 case MGMT_LTK_AUTHENTICATED:
d7b25450 4860 authenticated = 0x01;
61b43357
JH		 4861 break;
4862 default:
4863 continue;
4864 }
d7b25450 4865
35d70271 4866 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4867 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4868 key->rand);
346af67b
VCG		 4869 }
4870
715a5bf2
JH		 4871 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4872 NULL, 0);
4873
346af67b 4874 hci_dev_unlock(hdev);
346af67b 4875
715a5bf2 4876 return err;
346af67b
VCG		 4877}
4878
dd983808
AK		 4879struct cmd_conn_lookup {
4880 struct hci_conn *conn;
4881 bool valid_tx_power;
4882 u8 mgmt_status;
4883};
4884
4885static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4886{
4887 struct cmd_conn_lookup *match = data;
4888 struct mgmt_cp_get_conn_info *cp;
4889 struct mgmt_rp_get_conn_info rp;
4890 struct hci_conn *conn = cmd->user_data;
4891
4892 if (conn != match->conn)
4893 return;
4894
4895 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4896
4897 memset(&rp, 0, sizeof(rp));
4898 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4899 rp.addr.type = cp->addr.type;
4900
4901 if (!match->mgmt_status) {
4902 rp.rssi = conn->rssi;
4903
eed5daf3 4904 if (match->valid_tx_power) {
dd983808 4905 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4906 rp.max_tx_power = conn->max_tx_power;
4907 } else {
dd983808 4908 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4909 rp.max_tx_power = HCI_TX_POWER_INVALID;
4910 }
dd983808
AK		 4911 }
4912
4913 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4914 match->mgmt_status, &rp, sizeof(rp));
4915
4916 hci_conn_drop(conn);
4917
4918 mgmt_pending_remove(cmd);
4919}
4920
4921static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4922{
4923 struct hci_cp_read_rssi *cp;
4924 struct hci_conn *conn;
4925 struct cmd_conn_lookup match;
4926 u16 handle;
4927
4928 BT_DBG("status 0x%02x", status);
4929
4930 hci_dev_lock(hdev);
4931
4932 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 4933 * otherwise we assume it's not valid. At the moment we assume that
4934 * either both or none of current and max values are valid to keep code
4935 * simple.
dd983808
AK		 4936 */
4937 match.valid_tx_power = !status;
4938
4939 /* Commands sent in request are either Read RSSI or Read Transmit Power
4940 * Level so we check which one was last sent to retrieve connection
4941 * handle. Both commands have handle as first parameter so it's safe to
4942 * cast data on the same command struct.
4943 *
4944 * First command sent is always Read RSSI and we fail only if it fails.
4945 * In other case we simply override error to indicate success as we
4946 * already remembered if TX power value is actually valid.
4947 */
4948 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4949 if (!cp) {
4950 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
4951 status = 0;
4952 }
4953
4954 if (!cp) {
4955 BT_ERR("invalid sent_cmd in response");
4956 goto unlock;
4957 }
4958
4959 handle = __le16_to_cpu(cp->handle);
4960 conn = hci_conn_hash_lookup_handle(hdev, handle);
4961 if (!conn) {
4962 BT_ERR("unknown handle (%d) in response", handle);
4963 goto unlock;
4964 }
4965
4966 match.conn = conn;
4967 match.mgmt_status = mgmt_status(status);
4968
4969 /* Cache refresh is complete, now reply for mgmt request for given
4970 * connection only.
4971 */
4972 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
4973 get_conn_info_complete, &match);
4974
4975unlock:
4976 hci_dev_unlock(hdev);
4977}
4978
4979static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
4980 u16 len)
4981{
4982 struct mgmt_cp_get_conn_info *cp = data;
4983 struct mgmt_rp_get_conn_info rp;
4984 struct hci_conn *conn;
4985 unsigned long conn_info_age;
4986 int err = 0;
4987
4988 BT_DBG("%s", hdev->name);
4989
4990 memset(&rp, 0, sizeof(rp));
4991 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4992 rp.addr.type = cp->addr.type;
4993
4994 if (!bdaddr_type_is_valid(cp->addr.type))
4995 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4996 MGMT_STATUS_INVALID_PARAMS,
4997 &rp, sizeof(rp));
4998
4999 hci_dev_lock(hdev);
5000
5001 if (!hdev_is_powered(hdev)) {
5002 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5003 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5004 goto unlock;
5005 }
5006
5007 if (cp->addr.type == BDADDR_BREDR)
5008 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5009 &cp->addr.bdaddr);
5010 else
5011 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5012
5013 if (!conn || conn->state != BT_CONNECTED) {
5014 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5015 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
5016 goto unlock;
5017 }
5018
5019 /* To avoid client trying to guess when to poll again for information we
5020 * calculate conn info age as random value between min/max set in hdev.
5021 */
5022 conn_info_age = hdev->conn_info_min_age +
5023 prandom_u32_max(hdev->conn_info_max_age -
5024 hdev->conn_info_min_age);
5025
5026 /* Query controller to refresh cached values if they are too old or were
5027 * never read.
5028 */
f4e2dd53
AK		 5029 if (time_after(jiffies, conn->conn_info_timestamp +
5030 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5031 !conn->conn_info_timestamp) {
5032 struct hci_request req;
5033 struct hci_cp_read_tx_power req_txp_cp;
5034 struct hci_cp_read_rssi req_rssi_cp;
5035 struct pending_cmd *cmd;
5036
5037 hci_req_init(&req, hdev);
5038 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5039 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5040 &req_rssi_cp);
5041
f7faab0c
AK		 5042 /* For LE links TX power does not change thus we don't need to
5043 * query for it once value is known.
5044 */
5045 if (!bdaddr_type_is_le(cp->addr.type) ||
5046 conn->tx_power == HCI_TX_POWER_INVALID) {
5047 req_txp_cp.handle = cpu_to_le16(conn->handle);
5048 req_txp_cp.type = 0x00;
5049 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5050 sizeof(req_txp_cp), &req_txp_cp);
5051 }
dd983808 5052
eed5daf3
AK		 5053 /* Max TX power needs to be read only once per connection */
5054 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5055 req_txp_cp.handle = cpu_to_le16(conn->handle);
5056 req_txp_cp.type = 0x01;
5057 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5058 sizeof(req_txp_cp), &req_txp_cp);
5059 }
5060
dd983808
AK		 5061 err = hci_req_run(&req, conn_info_refresh_complete);
5062 if (err < 0)
5063 goto unlock;
5064
5065 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5066 data, len);
5067 if (!cmd) {
5068 err = -ENOMEM;
5069 goto unlock;
5070 }
5071
5072 hci_conn_hold(conn);
5073 cmd->user_data = conn;
5074
5075 conn->conn_info_timestamp = jiffies;
5076 } else {
5077 /* Cache is valid, just reply with values cached in hci_conn */
5078 rp.rssi = conn->rssi;
5079 rp.tx_power = conn->tx_power;
eed5daf3 5080 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 5081
5082 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5083 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5084 }
5085
5086unlock:
5087 hci_dev_unlock(hdev);
5088 return err;
5089}
5090
95868426
JH		 5091static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
5092{
5093 struct mgmt_cp_get_clock_info *cp;
5094 struct mgmt_rp_get_clock_info rp;
5095 struct hci_cp_read_clock *hci_cp;
5096 struct pending_cmd *cmd;
5097 struct hci_conn *conn;
5098
5099 BT_DBG("%s status %u", hdev->name, status);
5100
5101 hci_dev_lock(hdev);
5102
5103 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5104 if (!hci_cp)
5105 goto unlock;
5106
5107 if (hci_cp->which) {
5108 u16 handle = __le16_to_cpu(hci_cp->handle);
5109 conn = hci_conn_hash_lookup_handle(hdev, handle);
5110 } else {
5111 conn = NULL;
5112 }
5113
5114 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5115 if (!cmd)
5116 goto unlock;
5117
5118 cp = cmd->param;
5119
5120 memset(&rp, 0, sizeof(rp));
5121 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
5122
5123 if (status)
5124 goto send_rsp;
5125
5126 rp.local_clock = cpu_to_le32(hdev->clock);
5127
5128 if (conn) {
5129 rp.piconet_clock = cpu_to_le32(conn->clock);
5130 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5131 }
5132
5133send_rsp:
5134 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
5135 &rp, sizeof(rp));
5136 mgmt_pending_remove(cmd);
5137 if (conn)
5138 hci_conn_drop(conn);
5139
5140unlock:
5141 hci_dev_unlock(hdev);
5142}
5143
5144static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5145 u16 len)
5146{
5147 struct mgmt_cp_get_clock_info *cp = data;
5148 struct mgmt_rp_get_clock_info rp;
5149 struct hci_cp_read_clock hci_cp;
5150 struct pending_cmd *cmd;
5151 struct hci_request req;
5152 struct hci_conn *conn;
5153 int err;
5154
5155 BT_DBG("%s", hdev->name);
5156
5157 memset(&rp, 0, sizeof(rp));
5158 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5159 rp.addr.type = cp->addr.type;
5160
5161 if (cp->addr.type != BDADDR_BREDR)
5162 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5163 MGMT_STATUS_INVALID_PARAMS,
5164 &rp, sizeof(rp));
5165
5166 hci_dev_lock(hdev);
5167
5168 if (!hdev_is_powered(hdev)) {
5169 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5170 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5171 goto unlock;
5172 }
5173
5174 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5175 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5176 &cp->addr.bdaddr);
5177 if (!conn || conn->state != BT_CONNECTED) {
5178 err = cmd_complete(sk, hdev->id,
5179 MGMT_OP_GET_CLOCK_INFO,
5180 MGMT_STATUS_NOT_CONNECTED,
5181 &rp, sizeof(rp));
5182 goto unlock;
5183 }
5184 } else {
5185 conn = NULL;
5186 }
5187
5188 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5189 if (!cmd) {
5190 err = -ENOMEM;
5191 goto unlock;
5192 }
5193
5194 hci_req_init(&req, hdev);
5195
5196 memset(&hci_cp, 0, sizeof(hci_cp));
5197 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5198
5199 if (conn) {
5200 hci_conn_hold(conn);
5201 cmd->user_data = conn;
5202
5203 hci_cp.handle = cpu_to_le16(conn->handle);
5204 hci_cp.which = 0x01; /* Piconet clock */
5205 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5206 }
5207
5208 err = hci_req_run(&req, get_clock_info_complete);
5209 if (err < 0)
5210 mgmt_pending_remove(cmd);
5211
5212unlock:
5213 hci_dev_unlock(hdev);
5214 return err;
5215}
5216
8afef092
MH		 5217static void device_added(struct sock *sk, struct hci_dev *hdev,
5218 bdaddr_t *bdaddr, u8 type, u8 action)
5219{
5220 struct mgmt_ev_device_added ev;
5221
5222 bacpy(&ev.addr.bdaddr, bdaddr);
5223 ev.addr.type = type;
5224 ev.action = action;
5225
5226 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5227}
5228
2faade53
MH		 5229static int add_device(struct sock *sk, struct hci_dev *hdev,
5230 void *data, u16 len)
5231{
5232 struct mgmt_cp_add_device *cp = data;
5233 u8 auto_conn, addr_type;
5234 int err;
5235
5236 BT_DBG("%s", hdev->name);
5237
6659358e 5238 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53
MH		 5239 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5240 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5241 MGMT_STATUS_INVALID_PARAMS,
5242 &cp->addr, sizeof(cp->addr));
5243
4b9e7e75 5244 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2faade53
MH		 5245 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5246 MGMT_STATUS_INVALID_PARAMS,
5247 &cp->addr, sizeof(cp->addr));
5248
5249 hci_dev_lock(hdev);
5250
6659358e 5251 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5252 /* Only incoming connections action is supported for now */
6659358e
JH		 5253 if (cp->action != 0x01) {
5254 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5255 MGMT_STATUS_INVALID_PARAMS,
5256 &cp->addr, sizeof(cp->addr));
5257 goto unlock;
5258 }
5259
5260 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5261 cp->addr.type);
5262 if (err)
5263 goto unlock;
a397407f 5264
432df05e 5265 hci_update_page_scan(hdev, NULL);
a397407f 5266
6659358e
JH		 5267 goto added;
5268 }
5269
2faade53
MH		 5270 if (cp->addr.type == BDADDR_LE_PUBLIC)
5271 addr_type = ADDR_LE_DEV_PUBLIC;
5272 else
5273 addr_type = ADDR_LE_DEV_RANDOM;
5274
4b9e7e75 5275 if (cp->action == 0x02)
2faade53 5276 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5277 else if (cp->action == 0x01)
5278 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5279 else
a3451d27 5280 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5281
bf5b3c8b
MH		 5282 /* If the connection parameters don't exist for this device,
5283 * they will be created and configured with defaults.
5284 */
d06b50ce
MH		 5285 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5286 auto_conn) < 0) {
2faade53
MH		 5287 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5288 MGMT_STATUS_FAILED,
5289 &cp->addr, sizeof(cp->addr));
5290 goto unlock;
5291 }
5292
6659358e 5293added:
8afef092
MH		 5294 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5295
2faade53
MH		 5296 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5297 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5298
5299unlock:
5300 hci_dev_unlock(hdev);
5301 return err;
5302}
5303
8afef092
MH		 5304static void device_removed(struct sock *sk, struct hci_dev *hdev,
5305 bdaddr_t *bdaddr, u8 type)
5306{
5307 struct mgmt_ev_device_removed ev;
5308
5309 bacpy(&ev.addr.bdaddr, bdaddr);
5310 ev.addr.type = type;
5311
5312 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5313}
5314
2faade53
MH		 5315static int remove_device(struct sock *sk, struct hci_dev *hdev,
5316 void *data, u16 len)
5317{
5318 struct mgmt_cp_remove_device *cp = data;
5319 int err;
5320
5321 BT_DBG("%s", hdev->name);
5322
5323 hci_dev_lock(hdev);
5324
5325 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5326 struct hci_conn_params *params;
2faade53
MH		 5327 u8 addr_type;
5328
6659358e 5329 if (!bdaddr_type_is_valid(cp->addr.type)) {
2faade53
MH		 5330 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5331 MGMT_STATUS_INVALID_PARAMS,
5332 &cp->addr, sizeof(cp->addr));
5333 goto unlock;
5334 }
5335
6659358e
JH		 5336 if (cp->addr.type == BDADDR_BREDR) {
5337 err = hci_bdaddr_list_del(&hdev->whitelist,
5338 &cp->addr.bdaddr,
5339 cp->addr.type);
5340 if (err) {
5341 err = cmd_complete(sk, hdev->id,
5342 MGMT_OP_REMOVE_DEVICE,
5343 MGMT_STATUS_INVALID_PARAMS,
5344 &cp->addr, sizeof(cp->addr));
5345 goto unlock;
5346 }
5347
432df05e 5348 hci_update_page_scan(hdev, NULL);
a397407f 5349
6659358e
JH		 5350 device_removed(sk, hdev, &cp->addr.bdaddr,
5351 cp->addr.type);
5352 goto complete;
5353 }
5354
2faade53
MH		 5355 if (cp->addr.type == BDADDR_LE_PUBLIC)
5356 addr_type = ADDR_LE_DEV_PUBLIC;
5357 else
5358 addr_type = ADDR_LE_DEV_RANDOM;
5359
c71593dd
JH		 5360 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5361 addr_type);
5362 if (!params) {
5363 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5364 MGMT_STATUS_INVALID_PARAMS,
5365 &cp->addr, sizeof(cp->addr));
5366 goto unlock;
5367 }
5368
5369 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
5370 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5371 MGMT_STATUS_INVALID_PARAMS,
5372 &cp->addr, sizeof(cp->addr));
5373 goto unlock;
5374 }
5375
d1dbf12e 5376 list_del(&params->action);
c71593dd
JH		 5377 list_del(&params->list);
5378 kfree(params);
95305baa 5379 hci_update_background_scan(hdev);
8afef092
MH		 5380
5381 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5382 } else {
19de0825 5383 struct hci_conn_params *p, *tmp;
6659358e 5384 struct bdaddr_list *b, *btmp;
19de0825 5385
2faade53
MH		 5386 if (cp->addr.type) {
5387 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5388 MGMT_STATUS_INVALID_PARAMS,
5389 &cp->addr, sizeof(cp->addr));
5390 goto unlock;
5391 }
5392
6659358e
JH		 5393 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5394 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5395 list_del(&b->list);
5396 kfree(b);
5397 }
5398
432df05e 5399 hci_update_page_scan(hdev, NULL);
a397407f 5400
19de0825
JH		 5401 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5402 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5403 continue;
5404 device_removed(sk, hdev, &p->addr, p->addr_type);
5405 list_del(&p->action);
5406 list_del(&p->list);
5407 kfree(p);
5408 }
5409
5410 BT_DBG("All LE connection parameters were removed");
5411
5412 hci_update_background_scan(hdev);
2faade53
MH		 5413 }
5414
6659358e 5415complete:
2faade53
MH		 5416 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5417 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5418
5419unlock:
5420 hci_dev_unlock(hdev);
5421 return err;
5422}
5423
a26f3dcf
JH		 5424static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5425 u16 len)
5426{
5427 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5428 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5429 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5430 u16 param_count, expected_len;
5431 int i;
5432
5433 if (!lmp_le_capable(hdev))
5434 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5435 MGMT_STATUS_NOT_SUPPORTED);
5436
5437 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5438 if (param_count > max_param_count) {
5439 BT_ERR("load_conn_param: too big param_count value %u",
5440 param_count);
5441 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5442 MGMT_STATUS_INVALID_PARAMS);
5443 }
a26f3dcf
JH		 5444
5445 expected_len = sizeof(*cp) + param_count *
5446 sizeof(struct mgmt_conn_param);
5447 if (expected_len != len) {
5448 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5449 expected_len, len);
5450 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5451 MGMT_STATUS_INVALID_PARAMS);
5452 }
5453
5454 BT_DBG("%s param_count %u", hdev->name, param_count);
5455
5456 hci_dev_lock(hdev);
5457
5458 hci_conn_params_clear_disabled(hdev);
5459
5460 for (i = 0; i < param_count; i++) {
5461 struct mgmt_conn_param *param = &cp->params[i];
5462 struct hci_conn_params *hci_param;
5463 u16 min, max, latency, timeout;
5464 u8 addr_type;
5465
5466 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5467 param->addr.type);
5468
5469 if (param->addr.type == BDADDR_LE_PUBLIC) {
5470 addr_type = ADDR_LE_DEV_PUBLIC;
5471 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5472 addr_type = ADDR_LE_DEV_RANDOM;
5473 } else {
5474 BT_ERR("Ignoring invalid connection parameters");
5475 continue;
5476 }
5477
5478 min = le16_to_cpu(param->min_interval);
5479 max = le16_to_cpu(param->max_interval);
5480 latency = le16_to_cpu(param->latency);
5481 timeout = le16_to_cpu(param->timeout);
5482
5483 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5484 min, max, latency, timeout);
5485
5486 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5487 BT_ERR("Ignoring invalid connection parameters");
5488 continue;
5489 }
5490
5491 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5492 addr_type);
5493 if (!hci_param) {
5494 BT_ERR("Failed to add connection parameters");
5495 continue;
5496 }
5497
5498 hci_param->conn_min_interval = min;
5499 hci_param->conn_max_interval = max;
5500 hci_param->conn_latency = latency;
5501 hci_param->supervision_timeout = timeout;
5502 }
5503
5504 hci_dev_unlock(hdev);
5505
5506 return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
5507}
5508
dbece37a
MH		 5509static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5510 void *data, u16 len)
5511{
5512 struct mgmt_cp_set_external_config *cp = data;
5513 bool changed;
5514 int err;
5515
5516 BT_DBG("%s", hdev->name);
5517
5518 if (hdev_is_powered(hdev))
5519 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5520 MGMT_STATUS_REJECTED);
5521
5522 if (cp->config != 0x00 && cp->config != 0x01)
5523 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5524 MGMT_STATUS_INVALID_PARAMS);
5525
5526 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5527 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5528 MGMT_STATUS_NOT_SUPPORTED);
5529
5530 hci_dev_lock(hdev);
5531
5532 if (cp->config)
5533 changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
5534 &hdev->dev_flags);
5535 else
5536 changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
5537 &hdev->dev_flags);
5538
5539 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5540 if (err < 0)
5541 goto unlock;
5542
5543 if (!changed)
5544 goto unlock;
5545
f4537c04
MH		 5546 err = new_options(hdev, sk);
5547
dbece37a
MH		 5548 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
5549 mgmt_index_removed(hdev);
d603b76b
MH		 5550
5551 if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
5552 set_bit(HCI_CONFIG, &hdev->dev_flags);
5553 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5554
5555 queue_work(hdev->req_workqueue, &hdev->power_on);
5556 } else {
5ea234d3 5557 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5558 mgmt_index_added(hdev);
5559 }
dbece37a
MH		 5560 }
5561
5562unlock:
5563 hci_dev_unlock(hdev);
5564 return err;
5565}
5566
9713c17b
MH		 5567static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5568 void *data, u16 len)
5569{
5570 struct mgmt_cp_set_public_address *cp = data;
5571 bool changed;
5572 int err;
5573
5574 BT_DBG("%s", hdev->name);
5575
5576 if (hdev_is_powered(hdev))
5577 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5578 MGMT_STATUS_REJECTED);
5579
5580 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5581 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5582 MGMT_STATUS_INVALID_PARAMS);
5583
5584 if (!hdev->set_bdaddr)
5585 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5586 MGMT_STATUS_NOT_SUPPORTED);
5587
5588 hci_dev_lock(hdev);
5589
5590 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5591 bacpy(&hdev->public_addr, &cp->bdaddr);
5592
5593 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5594 if (err < 0)
5595 goto unlock;
5596
5597 if (!changed)
5598 goto unlock;
5599
5600 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5601 err = new_options(hdev, sk);
5602
5603 if (is_configured(hdev)) {
5604 mgmt_index_removed(hdev);
5605
5606 clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
5607
5608 set_bit(HCI_CONFIG, &hdev->dev_flags);
5609 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5610
5611 queue_work(hdev->req_workqueue, &hdev->power_on);
5612 }
5613
5614unlock:
5615 hci_dev_unlock(hdev);
5616 return err;
5617}
5618
2e3c35ea 5619static const struct mgmt_handler {
04124681
GP		 5620 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5621 u16 data_len);
be22b54e
JH		 5622 bool var_len;
5623 size_t data_len;
0f4e68cf
JH		 5624} mgmt_handlers[] = {
5625 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5626 { read_version, false, MGMT_READ_VERSION_SIZE },
5627 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5628 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5629 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5630 { set_powered, false, MGMT_SETTING_SIZE },
5631 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5632 { set_connectable, false, MGMT_SETTING_SIZE },
5633 { set_fast_connectable, false, MGMT_SETTING_SIZE },
b2939475 5634 { set_bondable, false, MGMT_SETTING_SIZE },
be22b54e
JH		 5635 { set_link_security, false, MGMT_SETTING_SIZE },
5636 { set_ssp, false, MGMT_SETTING_SIZE },
5637 { set_hs, false, MGMT_SETTING_SIZE },
5638 { set_le, false, MGMT_SETTING_SIZE },
5639 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5640 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5641 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5642 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5643 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5644 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5645 { disconnect, false, MGMT_DISCONNECT_SIZE },
5646 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5647 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5648 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5649 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5650 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5651 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5652 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5653 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5654 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5655 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5656 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5657 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5658 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5659 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5660 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5661 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5662 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5663 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5664 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5665 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5666 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5667 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5668 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5669 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5670 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5671 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5672 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5673 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5674 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5675 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5676 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5677 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
73d1df2a
MH		 5678 { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
5679 { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
9fc3bfb6 5680 { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
dbece37a 5681 { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
9713c17b 5682 { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
0f4e68cf
JH		 5683};
5684
0381101f
JH		 5685int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5686{
650f726d
VCG		 5687 void *buf;
5688 u8 *cp;
0381101f 5689 struct mgmt_hdr *hdr;
4e51eae9 5690 u16 opcode, index, len;
bdb6d971 5691 struct hci_dev *hdev = NULL;
2e3c35ea 5692 const struct mgmt_handler *handler;
0381101f
JH		 5693 int err;
5694
5695 BT_DBG("got %zu bytes", msglen);
5696
5697 if (msglen < sizeof(*hdr))
5698 return -EINVAL;
5699
e63a15ec 5700 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5701 if (!buf)
5702 return -ENOMEM;
5703
5704 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5705 err = -EFAULT;
5706 goto done;
5707 }
5708
650f726d 5709 hdr = buf;
1f350c87
MH		 5710 opcode = __le16_to_cpu(hdr->opcode);
5711 index = __le16_to_cpu(hdr->index);
5712 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5713
5714 if (len != msglen - sizeof(*hdr)) {
5715 err = -EINVAL;
5716 goto done;
5717 }
5718
0f4e68cf 5719 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5720 hdev = hci_dev_get(index);
5721 if (!hdev) {
5722 err = cmd_status(sk, index, opcode,
04124681 5723 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5724 goto done;
5725 }
0736cfa8 5726
cebf4cfd 5727 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
d603b76b 5728 test_bit(HCI_CONFIG, &hdev->dev_flags) ||
4a964404 5729 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
0736cfa8
MH		 5730 err = cmd_status(sk, index, opcode,
5731 MGMT_STATUS_INVALID_INDEX);
5732 goto done;
5733 }
42a9bc14
MH		 5734
5735 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
dbece37a 5736 opcode != MGMT_OP_READ_CONFIG_INFO &&
9713c17b
MH		 5737 opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
5738 opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
42a9bc14
MH		 5739 err = cmd_status(sk, index, opcode,
5740 MGMT_STATUS_INVALID_INDEX);
5741 goto done;
5742 }
bdb6d971
JH		 5743 }
5744
0f4e68cf 5745 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5746 mgmt_handlers[opcode].func == NULL) {
0381101f 5747 BT_DBG("Unknown op %u", opcode);
ca69b795 5748 err = cmd_status(sk, index, opcode,
04124681 5749 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5750 goto done;
5751 }
5752
73d1df2a
MH		 5753 if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
5754 opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
5755 err = cmd_status(sk, index, opcode,
5756 MGMT_STATUS_INVALID_INDEX);
5757 goto done;
5758 }
5759
5760 if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
5761 opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
0f4e68cf 5762 err = cmd_status(sk, index, opcode,
04124681 5763 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5764 goto done;
0381101f
JH		 5765 }
5766
be22b54e
JH		 5767 handler = &mgmt_handlers[opcode];
5768
5769 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5770 (!handler->var_len && len != handler->data_len)) {
be22b54e 5771 err = cmd_status(sk, index, opcode,
04124681 5772 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5773 goto done;
5774 }
5775
0f4e68cf
JH		 5776 if (hdev)
5777 mgmt_init_hdev(sk, hdev);
5778
5779 cp = buf + sizeof(*hdr);
5780
be22b54e 5781 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5782 if (err < 0)
5783 goto done;
5784
0381101f
JH		 5785 err = msglen;
5786
5787done:
bdb6d971
JH		 5788 if (hdev)
5789 hci_dev_put(hdev);
5790
0381101f
JH		 5791 kfree(buf);
5792 return err;
5793}
c71e97bf 5794
bf6b56db 5795void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5796{
1514b892 5797 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5798 return;
bb4b2a9a 5799
0602a8ad
MH		 5800 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5801 return;
5802
5803 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5804 mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
5805 else
5806 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5807}
5808
bf6b56db 5809void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5810{
5f159032 5811 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 5812
1514b892 5813 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5814 return;
bb4b2a9a 5815
0602a8ad
MH		 5816 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5817 return;
5818
744cf19e 5819 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5820
edd3896b
MH		 5821 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5822 mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
5823 else
5824 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5825}
5826
6046dc3e 5827/* This function requires the caller holds hdev->lock */
d7347f3c 5828static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 5829{
5830 struct hci_conn_params *p;
5831
5832 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 5833 /* Needed for AUTO_OFF case where might not "really"
5834 * have been powered off.
5835 */
5836 list_del_init(&p->action);
5837
5838 switch (p->auto_connect) {
4b9e7e75 5839 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 5840 case HCI_AUTO_CONN_ALWAYS:
5841 list_add(&p->action, &hdev->pend_le_conns);
5842 break;
5843 case HCI_AUTO_CONN_REPORT:
5844 list_add(&p->action, &hdev->pend_le_reports);
5845 break;
5846 default:
5847 break;
c83ed19d 5848 }
6046dc3e 5849 }
c83ed19d 5850
c83ed19d 5851 hci_update_background_scan(hdev);
6046dc3e
AG		 5852}
5853
229ab39c
JH		 5854static void powered_complete(struct hci_dev *hdev, u8 status)
5855{
5856 struct cmd_lookup match = { NULL, hdev };
5857
5858 BT_DBG("status 0x%02x", status);
5859
5860 hci_dev_lock(hdev);
5861
d7347f3c 5862 restart_le_actions(hdev);
6046dc3e 5863
229ab39c
JH		 5864 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5865
5866 new_settings(hdev, match.sk);
5867
5868 hci_dev_unlock(hdev);
5869
5870 if (match.sk)
5871 sock_put(match.sk);
5872}
5873
70da6243 5874static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5875{
890ea898 5876 struct hci_request req;
70da6243 5877 u8 link_sec;
5add6af8 5878
890ea898
JH		 5879 hci_req_init(&req, hdev);
5880
70da6243
JH		 5881 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5882 !lmp_host_ssp_capable(hdev)) {
5883 u8 ssp = 1;
5e5282bb 5884
890ea898 5885 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5886 }
5add6af8 5887
c73eee91
JH		 5888 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5889 lmp_bredr_capable(hdev)) {
70da6243 5890 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5891
32226e4f
MH		 5892 cp.le = 0x01;
5893 cp.simul = 0x00;
3d1cbdd6 5894
70da6243
JH		 5895 /* Check first if we already have the right
5896 * host state (host features set)
5897 */
5898 if (cp.le != lmp_host_le_capable(hdev) ||
5899 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5900 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5901 sizeof(cp), &cp);
70da6243 5902 }
3d1cbdd6 5903
d13eafce 5904 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5905 /* Make sure the controller has a good default for
5906 * advertising data. This also applies to the case
5907 * where BR/EDR was toggled during the AUTO_OFF phase.
5908 */
f14d8f64 5909 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5910 update_adv_data(&req);
f14d8f64
MH		 5911 update_scan_rsp_data(&req);
5912 }
441ad2d0 5913
bba3aa55
MH		 5914 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5915 enable_advertising(&req);
eeca6f89
JH		 5916 }
5917
70da6243
JH		 5918 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5919 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5920 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5921 sizeof(link_sec), &link_sec);
562fcc24 5922
70da6243 5923 if (lmp_bredr_capable(hdev)) {
432df05e
JH		 5924 write_fast_connectable(&req, false);
5925 hci_update_page_scan(hdev, &req);
890ea898 5926 update_class(&req);
13928971 5927 update_name(&req);
890ea898 5928 update_eir(&req);
70da6243 5929 }
562fcc24 5930
229ab39c 5931 return hci_req_run(&req, powered_complete);
70da6243 5932}
562fcc24 5933
70da6243
JH		 5934int mgmt_powered(struct hci_dev *hdev, u8 powered)
5935{
5936 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 5937 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
5938 u8 zero_cod[] = { 0, 0, 0 };
70da6243 5939 int err;
f0ff92fb 5940
70da6243
JH		 5941 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
5942 return 0;
5943
70da6243 5944 if (powered) {
229ab39c
JH		 5945 if (powered_update_hci(hdev) == 0)
5946 return 0;
fe038884 5947
229ab39c
JH		 5948 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
5949 &match);
5950 goto new_settings;
b24752fe
JH		 5951 }
5952
229ab39c
JH		 5953 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5954 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
5955
5956 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
5957 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
5958 zero_cod, sizeof(zero_cod), NULL);
5959
5960new_settings:
beadb2bd 5961 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 5962
5963 if (match.sk)
5964 sock_put(match.sk);
5965
7bb895d6 5966 return err;
5add6af8 5967}
73f22f62 5968
3eec705e 5969void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 5970{
5971 struct pending_cmd *cmd;
5972 u8 status;
5973
5974 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
5975 if (!cmd)
3eec705e 5976 return;
96570ffc
JH		 5977
5978 if (err == -ERFKILL)
5979 status = MGMT_STATUS_RFKILLED;
5980 else
5981 status = MGMT_STATUS_FAILED;
5982
3eec705e 5983 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 5984
5985 mgmt_pending_remove(cmd);
96570ffc
JH		 5986}
5987
d1967ff8
MH		 5988void mgmt_discoverable_timeout(struct hci_dev *hdev)
5989{
5990 struct hci_request req;
d1967ff8
MH		 5991
5992 hci_dev_lock(hdev);
5993
5994 /* When discoverable timeout triggers, then just make sure
5995 * the limited discoverable flag is cleared. Even in the case
5996 * of a timeout triggered from general discoverable, it is
5997 * safe to unconditionally clear the flag.
5998 */
5999 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 6000 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 6001
6002 hci_req_init(&req, hdev);
4b580614
JH		 6003 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
6004 u8 scan = SCAN_PAGE;
6005 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
6006 sizeof(scan), &scan);
6007 }
d1967ff8 6008 update_class(&req);
9a43e25f 6009 update_adv_data(&req);
d1967ff8
MH		 6010 hci_req_run(&req, NULL);
6011
6012 hdev->discov_timeout = 0;
6013
9a43e25f
JH		 6014 new_settings(hdev, NULL);
6015
d1967ff8
MH		 6016 hci_dev_unlock(hdev);
6017}
6018
dc4a5ee2
MH		 6019void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6020 bool persistent)
55ed8ca1 6021{
86742e1e 6022 struct mgmt_ev_new_link_key ev;
55ed8ca1 6023
a492cd52 6024 memset(&ev, 0, sizeof(ev));
55ed8ca1 6025
a492cd52 6026 ev.store_hint = persistent;
d753fdc4 6027 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6028 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6029 ev.key.type = key->type;
9b3b4460 6030 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6031 ev.key.pin_len = key->pin_len;
55ed8ca1 6032
dc4a5ee2 6033 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6034}
f7520543 6035
d7b25450
JH		 6036static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6037{
6038 if (ltk->authenticated)
6039 return MGMT_LTK_AUTHENTICATED;
6040
6041 return MGMT_LTK_UNAUTHENTICATED;
6042}
6043
53ac6ab6 6044void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6045{
6046 struct mgmt_ev_new_long_term_key ev;
6047
6048 memset(&ev, 0, sizeof(ev));
6049
5192d301
MH		 6050 /* Devices using resolvable or non-resolvable random addresses
6051 * without providing an indentity resolving key don't require
6052 * to store long term keys. Their addresses will change the
6053 * next time around.
6054 *
6055 * Only when a remote device provides an identity address
6056 * make sure the long term key is stored. If the remote
6057 * identity is known, the long term keys are internally
6058 * mapped to the identity address. So allow static random
6059 * and public addresses here.
6060 */
ba74b666
JH		 6061 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6062 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6063 ev.store_hint = 0x00;
6064 else
53ac6ab6 6065 ev.store_hint = persistent;
ba74b666 6066
346af67b 6067 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6068 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6069 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6070 ev.key.enc_size = key->enc_size;
6071 ev.key.ediv = key->ediv;
fe39c7b2 6072 ev.key.rand = key->rand;
346af67b 6073
2ceba539 6074 if (key->type == SMP_LTK)
346af67b
VCG		 6075 ev.key.master = 1;
6076
346af67b
VCG		 6077 memcpy(ev.key.val, key->val, sizeof(key->val));
6078
083368f7 6079 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6080}
6081
95fbac8a
JH		 6082void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
6083{
6084 struct mgmt_ev_new_irk ev;
6085
6086 memset(&ev, 0, sizeof(ev));
6087
bab6d1e5
MH		 6088 /* For identity resolving keys from devices that are already
6089 * using a public address or static random address, do not
6090 * ask for storing this key. The identity resolving key really
6091 * is only mandatory for devices using resovlable random
6092 * addresses.
6093 *
6094 * Storing all identity resolving keys has the downside that
6095 * they will be also loaded on next boot of they system. More
6096 * identity resolving keys, means more time during scanning is
6097 * needed to actually resolve these addresses.
6098 */
6099 if (bacmp(&irk->rpa, BDADDR_ANY))
6100 ev.store_hint = 0x01;
6101 else
6102 ev.store_hint = 0x00;
6103
95fbac8a
JH		 6104 bacpy(&ev.rpa, &irk->rpa);
6105 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6106 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6107 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6108
6109 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6110}
6111
53ac6ab6
MH		 6112void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6113 bool persistent)
7ee4ea36
MH		 6114{
6115 struct mgmt_ev_new_csrk ev;
6116
6117 memset(&ev, 0, sizeof(ev));
6118
6119 /* Devices using resolvable or non-resolvable random addresses
6120 * without providing an indentity resolving key don't require
6121 * to store signature resolving keys. Their addresses will change
6122 * the next time around.
6123 *
6124 * Only when a remote device provides an identity address
6125 * make sure the signature resolving key is stored. So allow
6126 * static random and public addresses here.
6127 */
6128 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6129 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6130 ev.store_hint = 0x00;
6131 else
53ac6ab6 6132 ev.store_hint = persistent;
7ee4ea36
MH		 6133
6134 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6135 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6136 ev.key.master = csrk->master;
6137 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6138
6139 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6140}
6141
ffb5a827 6142void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6143 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6144 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6145{
6146 struct mgmt_ev_new_conn_param ev;
6147
c103aea6
JH		 6148 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6149 return;
6150
ffb5a827
AG		 6151 memset(&ev, 0, sizeof(ev));
6152 bacpy(&ev.addr.bdaddr, bdaddr);
6153 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6154 ev.store_hint = store_hint;
ffb5a827
AG		 6155 ev.min_interval = cpu_to_le16(min_interval);
6156 ev.max_interval = cpu_to_le16(max_interval);
6157 ev.latency = cpu_to_le16(latency);
6158 ev.timeout = cpu_to_le16(timeout);
6159
6160 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6161}
6162
94933991
MH		 6163static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6164 u8 data_len)
6165{
6166 eir[eir_len++] = sizeof(type) + data_len;
6167 eir[eir_len++] = type;
6168 memcpy(&eir[eir_len], data, data_len);
6169 eir_len += data_len;
6170
6171 return eir_len;
6172}
6173
ecd90ae7
MH		 6174void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6175 u8 addr_type, u32 flags, u8 *name, u8 name_len,
6176 u8 *dev_class)
f7520543 6177{
b644ba33
JH		 6178 char buf[512];
6179 struct mgmt_ev_device_connected *ev = (void *) buf;
6180 u16 eir_len = 0;
f7520543 6181
b644ba33 6182 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6183 ev->addr.type = link_to_bdaddr(link_type, addr_type);
f7520543 6184
c95f0ba7 6185 ev->flags = __cpu_to_le32(flags);
08c79b61 6186
b644ba33
JH		 6187 if (name_len > 0)
6188 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
04124681 6189 name, name_len);
b644ba33
JH		 6190
6191 if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
53156385 6192 eir_len = eir_append_data(ev->eir, eir_len,
04124681 6193 EIR_CLASS_OF_DEV, dev_class, 3);
b644ba33 6194
eb55ef07 6195 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6196
ecd90ae7
MH		 6197 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6198 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6199}
6200
8962ee74
JH		 6201static void disconnect_rsp(struct pending_cmd *cmd, void *data)
6202{
c68fb7ff 6203 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 6204 struct sock **sk = data;
a38528f1 6205 struct mgmt_rp_disconnect rp;
8962ee74 6206
88c3df13
JH		 6207 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6208 rp.addr.type = cp->addr.type;
8962ee74 6209
aee9b218 6210 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 6211 sizeof(rp));
8962ee74
JH		 6212
6213 *sk = cmd->sk;
6214 sock_hold(*sk);
6215
a664b5bc 6216 mgmt_pending_remove(cmd);
8962ee74
JH		 6217}
6218
124f6e35 6219static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 6220{
b1078ad0 6221 struct hci_dev *hdev = data;
124f6e35
JH		 6222 struct mgmt_cp_unpair_device *cp = cmd->param;
6223 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 6224
6225 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 6226 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6227 rp.addr.type = cp->addr.type;
a8a1d19e 6228
b1078ad0
JH		 6229 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6230
aee9b218 6231 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 6232
6233 mgmt_pending_remove(cmd);
6234}
6235
84c61d92
JH		 6236bool mgmt_powering_down(struct hci_dev *hdev)
6237{
6238 struct pending_cmd *cmd;
6239 struct mgmt_mode *cp;
6240
6241 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6242 if (!cmd)
6243 return false;
6244
6245 cp = cmd->param;
6246 if (!cp->val)
6247 return true;
6248
6249 return false;
6250}
6251
9b80ec5e 6252void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6253 u8 link_type, u8 addr_type, u8 reason,
6254 bool mgmt_connected)
f7520543 6255{
f0d6a0ea 6256 struct mgmt_ev_device_disconnected ev;
8962ee74 6257 struct sock *sk = NULL;
8962ee74 6258
84c61d92
JH		 6259 /* The connection is still in hci_conn_hash so test for 1
6260 * instead of 0 to know if this is the last one.
6261 */
6262 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6263 cancel_delayed_work(&hdev->power_off);
6264 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6265 }
6266
12d4a3b2
JH		 6267 if (!mgmt_connected)
6268 return;
6269
57eb776f
AG		 6270 if (link_type != ACL_LINK && link_type != LE_LINK)
6271 return;
6272
744cf19e 6273 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6274
f0d6a0ea
MA		 6275 bacpy(&ev.addr.bdaddr, bdaddr);
6276 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6277 ev.reason = reason;
f7520543 6278
9b80ec5e 6279 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6280
6281 if (sk)
d97dcb66 6282 sock_put(sk);
8962ee74 6283
124f6e35 6284 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6285 hdev);
8962ee74
JH		 6286}
6287
7892924c
MH		 6288void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6289 u8 link_type, u8 addr_type, u8 status)
8962ee74 6290{
3655bba8
AG		 6291 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6292 struct mgmt_cp_disconnect *cp;
88c3df13 6293 struct mgmt_rp_disconnect rp;
8962ee74 6294 struct pending_cmd *cmd;
8962ee74 6295
36a75f1b
JD		 6296 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6297 hdev);
6298
2e58ef3e 6299 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6300 if (!cmd)
7892924c 6301 return;
8962ee74 6302
3655bba8
AG		 6303 cp = cmd->param;
6304
6305 if (bacmp(bdaddr, &cp->addr.bdaddr))
6306 return;
6307
6308 if (cp->addr.type != bdaddr_type)
6309 return;
6310
88c3df13 6311 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 6312 rp.addr.type = bdaddr_type;
37d9ef76 6313
7892924c
MH		 6314 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
6315 mgmt_status(status), &rp, sizeof(rp));
8962ee74 6316
a664b5bc 6317 mgmt_pending_remove(cmd);
f7520543 6318}
17d5c04c 6319
445608d0
MH		 6320void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6321 u8 addr_type, u8 status)
17d5c04c
JH		 6322{
6323 struct mgmt_ev_connect_failed ev;
c9910d0f 6324
84c61d92
JH		 6325 /* The connection is still in hci_conn_hash so test for 1
6326 * instead of 0 to know if this is the last one.
6327 */
6328 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6329 cancel_delayed_work(&hdev->power_off);
6330 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6331 }
17d5c04c 6332
4c659c39 6333 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6334 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6335 ev.status = mgmt_status(status);
17d5c04c 6336
445608d0 6337 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6338}
980e1a53 6339
ce0e4a0d 6340void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6341{
6342 struct mgmt_ev_pin_code_request ev;
6343
d8457698 6344 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6345 ev.addr.type = BDADDR_BREDR;
a770bb5a 6346 ev.secure = secure;
980e1a53 6347
ce0e4a0d 6348 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6349}
6350
e669cf80
MH		 6351void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6352 u8 status)
980e1a53
JH		 6353{
6354 struct pending_cmd *cmd;
ac56fb13 6355 struct mgmt_rp_pin_code_reply rp;
980e1a53 6356
2e58ef3e 6357 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6358 if (!cmd)
e669cf80 6359 return;
980e1a53 6360
d8457698 6361 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6362 rp.addr.type = BDADDR_BREDR;
ac56fb13 6363
e669cf80
MH		 6364 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
6365 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6366
a664b5bc 6367 mgmt_pending_remove(cmd);
980e1a53
JH		 6368}
6369
3eb38528
MH		 6370void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6371 u8 status)
980e1a53
JH		 6372{
6373 struct pending_cmd *cmd;
ac56fb13 6374 struct mgmt_rp_pin_code_reply rp;
980e1a53 6375
2e58ef3e 6376 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6377 if (!cmd)
3eb38528 6378 return;
980e1a53 6379
d8457698 6380 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6381 rp.addr.type = BDADDR_BREDR;
ac56fb13 6382
3eb38528
MH		 6383 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
6384 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6385
a664b5bc 6386 mgmt_pending_remove(cmd);
980e1a53 6387}
a5c29683 6388
744cf19e 6389int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6390 u8 link_type, u8 addr_type, u32 value,
04124681 6391 u8 confirm_hint)
a5c29683
JH		 6392{
6393 struct mgmt_ev_user_confirm_request ev;
6394
744cf19e 6395 BT_DBG("%s", hdev->name);
a5c29683 6396
272d90df 6397 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6398 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6399 ev.confirm_hint = confirm_hint;
39adbffe 6400 ev.value = cpu_to_le32(value);
a5c29683 6401
744cf19e 6402 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6403 NULL);
a5c29683
JH		 6404}
6405
272d90df 6406int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6407 u8 link_type, u8 addr_type)
604086b7
BG		 6408{
6409 struct mgmt_ev_user_passkey_request ev;
6410
6411 BT_DBG("%s", hdev->name);
6412
272d90df 6413 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6414 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6415
6416 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6417 NULL);
604086b7
BG		 6418}
6419
0df4c185 6420static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6421 u8 link_type, u8 addr_type, u8 status,
6422 u8 opcode)
a5c29683
JH		 6423{
6424 struct pending_cmd *cmd;
6425 struct mgmt_rp_user_confirm_reply rp;
6426 int err;
6427
2e58ef3e 6428 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH		 6429 if (!cmd)
6430 return -ENOENT;
6431
272d90df 6432 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 6433 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 6434 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 6435 &rp, sizeof(rp));
a5c29683 6436
a664b5bc 6437 mgmt_pending_remove(cmd);
a5c29683
JH		 6438
6439 return err;
6440}
6441
744cf19e 6442int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6443 u8 link_type, u8 addr_type, u8 status)
a5c29683 6444{
272d90df 6445 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6446 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6447}
6448
272d90df 6449int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6450 u8 link_type, u8 addr_type, u8 status)
a5c29683 6451{
272d90df 6452 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6453 status,
6454 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6455}
2a611692 6456
604086b7 6457int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6458 u8 link_type, u8 addr_type, u8 status)
604086b7 6459{
272d90df 6460 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6461 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6462}
6463
272d90df 6464int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6465 u8 link_type, u8 addr_type, u8 status)
604086b7 6466{
272d90df 6467 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6468 status,
6469 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6470}
6471
92a25256
JH		 6472int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6473 u8 link_type, u8 addr_type, u32 passkey,
6474 u8 entered)
6475{
6476 struct mgmt_ev_passkey_notify ev;
6477
6478 BT_DBG("%s", hdev->name);
6479
6480 bacpy(&ev.addr.bdaddr, bdaddr);
6481 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6482 ev.passkey = __cpu_to_le32(passkey);
6483 ev.entered = entered;
6484
6485 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6486}
6487
e546099c
MH		 6488void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6489 u8 addr_type, u8 status)
2a611692
JH		 6490{
6491 struct mgmt_ev_auth_failed ev;
6492
bab73cb6 6493 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6494 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6495 ev.status = mgmt_status(status);
2a611692 6496
e546099c 6497 mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL);
2a611692 6498}
b312b161 6499
464996ae 6500void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6501{
6502 struct cmd_lookup match = { NULL, hdev };
464996ae 6503 bool changed;
33ef95ed
JH		 6504
6505 if (status) {
6506 u8 mgmt_err = mgmt_status(status);
6507 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6508 cmd_status_rsp, &mgmt_err);
464996ae 6509 return;
33ef95ed
JH		 6510 }
6511
464996ae
MH		 6512 if (test_bit(HCI_AUTH, &hdev->flags))
6513 changed = !test_and_set_bit(HCI_LINK_SECURITY,
6514 &hdev->dev_flags);
6515 else
6516 changed = test_and_clear_bit(HCI_LINK_SECURITY,
6517 &hdev->dev_flags);
47990ea0 6518
33ef95ed 6519 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6520 &match);
33ef95ed 6521
47990ea0 6522 if (changed)
464996ae 6523 new_settings(hdev, match.sk);
33ef95ed
JH		 6524
6525 if (match.sk)
6526 sock_put(match.sk);
33ef95ed
JH		 6527}
6528
890ea898 6529static void clear_eir(struct hci_request *req)
cacaf52f 6530{
890ea898 6531 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6532 struct hci_cp_write_eir cp;
6533
976eb20e 6534 if (!lmp_ext_inq_capable(hdev))
890ea898 6535 return;
cacaf52f 6536
c80da27e
JH		 6537 memset(hdev->eir, 0, sizeof(hdev->eir));
6538
cacaf52f
JH		 6539 memset(&cp, 0, sizeof(cp));
6540
890ea898 6541 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 6542}
6543
3e248560 6544void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 6545{
6546 struct cmd_lookup match = { NULL, hdev };
890ea898 6547 struct hci_request req;
c0ecddc2 6548 bool changed = false;
ed2c4ee3
JH		 6549
6550 if (status) {
6551 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH		 6552
6553 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
9ecb3e24
MH		 6554 &hdev->dev_flags)) {
6555 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
3e248560 6556 new_settings(hdev, NULL);
9ecb3e24 6557 }
c0ecddc2 6558
04124681
GP		 6559 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
6560 &mgmt_err);
3e248560 6561 return;
c0ecddc2
JH		 6562 }
6563
6564 if (enable) {
9ecb3e24 6565 changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
c0ecddc2 6566 } else {
9ecb3e24
MH		 6567 changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
6568 if (!changed)
6569 changed = test_and_clear_bit(HCI_HS_ENABLED,
6570 &hdev->dev_flags);
6571 else
6572 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
ed2c4ee3
JH		 6573 }
6574
6575 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
6576
c0ecddc2 6577 if (changed)
3e248560 6578 new_settings(hdev, match.sk);
ed2c4ee3 6579
5fc6ebb1 6580 if (match.sk)
ed2c4ee3
JH		 6581 sock_put(match.sk);
6582
890ea898
JH		 6583 hci_req_init(&req, hdev);
6584
3769972b
JH		 6585 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
6586 if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
6587 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
6588 sizeof(enable), &enable);
890ea898 6589 update_eir(&req);
3769972b 6590 } else {
890ea898 6591 clear_eir(&req);
3769972b 6592 }
890ea898
JH		 6593
6594 hci_req_run(&req, NULL);
ed2c4ee3
JH		 6595}
6596
eac83dc6
MH		 6597void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
6598{
6599 struct cmd_lookup match = { NULL, hdev };
6600 bool changed = false;
6601
6602 if (status) {
6603 u8 mgmt_err = mgmt_status(status);
6604
0ab04a9c
MH		 6605 if (enable) {
6606 if (test_and_clear_bit(HCI_SC_ENABLED,
6607 &hdev->dev_flags))
6608 new_settings(hdev, NULL);
6609 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6610 }
eac83dc6
MH		 6611
6612 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6613 cmd_status_rsp, &mgmt_err);
6614 return;
6615 }
6616
0ab04a9c 6617 if (enable) {
eac83dc6 6618 changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c 6619 } else {
eac83dc6 6620 changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c
MH		 6621 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6622 }
eac83dc6
MH		 6623
6624 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6625 settings_rsp, &match);
6626
6627 if (changed)
6628 new_settings(hdev, match.sk);
6629
6630 if (match.sk)
6631 sock_put(match.sk);
6632}
6633
92da6097 6634static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH		 6635{
6636 struct cmd_lookup *match = data;
6637
90e70454
JH		 6638 if (match->sk == NULL) {
6639 match->sk = cmd->sk;
6640 sock_hold(match->sk);
6641 }
90e70454
JH		 6642}
6643
4e1b0245
MH		 6644void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
6645 u8 status)
7f9a903c 6646{
90e70454 6647 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 6648
92da6097
JH		 6649 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
6650 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
6651 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 6652
6653 if (!status)
4e1b0245
MH		 6654 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
6655 NULL);
90e70454
JH		 6656
6657 if (match.sk)
6658 sock_put(match.sk);
7f9a903c
MH		 6659}
6660
7667da34 6661void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 6662{
b312b161 6663 struct mgmt_cp_set_local_name ev;
13928971 6664 struct pending_cmd *cmd;
28cc7bde 6665
13928971 6666 if (status)
7667da34 6667 return;
b312b161
JH		 6668
6669 memset(&ev, 0, sizeof(ev));
6670 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 6671 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 6672
2e58ef3e 6673 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 6674 if (!cmd) {
6675 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 6676
13928971
JH		 6677 /* If this is a HCI command related to powering on the
6678 * HCI dev don't send any mgmt signals.
6679 */
6680 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 6681 return;
890ea898 6682 }
b312b161 6683
7667da34
MH		 6684 mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
6685 cmd ? cmd->sk : NULL);
b312b161 6686}
c35938b2 6687
4d2d2796
MH		 6688void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
6689 u8 *randomizer192, u8 *hash256,
6690 u8 *randomizer256, u8 status)
c35938b2
SJ		 6691{
6692 struct pending_cmd *cmd;
c35938b2 6693
744cf19e 6694 BT_DBG("%s status %u", hdev->name, status);
c35938b2 6695
2e58ef3e 6696 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2 6697 if (!cmd)
3edaf092 6698 return;
c35938b2
SJ		 6699
6700 if (status) {
3edaf092
MH		 6701 cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
6702 mgmt_status(status));
c35938b2 6703 } else {
4d2d2796
MH		 6704 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
6705 hash256 && randomizer256) {
6706 struct mgmt_rp_read_local_oob_ext_data rp;
6707
6708 memcpy(rp.hash192, hash192, sizeof(rp.hash192));
6709 memcpy(rp.randomizer192, randomizer192,
6710 sizeof(rp.randomizer192));
c35938b2 6711
4d2d2796
MH		 6712 memcpy(rp.hash256, hash256, sizeof(rp.hash256));
6713 memcpy(rp.randomizer256, randomizer256,
6714 sizeof(rp.randomizer256));
c35938b2 6715
4d2d2796
MH		 6716 cmd_complete(cmd->sk, hdev->id,
6717 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6718 &rp, sizeof(rp));
6719 } else {
6720 struct mgmt_rp_read_local_oob_data rp;
6721
6722 memcpy(rp.hash, hash192, sizeof(rp.hash));
6723 memcpy(rp.randomizer, randomizer192,
6724 sizeof(rp.randomizer));
6725
6726 cmd_complete(cmd->sk, hdev->id,
6727 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6728 &rp, sizeof(rp));
6729 }
c35938b2
SJ		 6730 }
6731
6732 mgmt_pending_remove(cmd);
c35938b2 6733}
e17acd40 6734
901801b9 6735void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
af58925c
MH		 6736 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
6737 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 6738{
e319d2e7
JH		 6739 char buf[512];
6740 struct mgmt_ev_device_found *ev = (void *) buf;
1dc06093 6741 size_t ev_size;
e17acd40 6742
75ce208c
JH		 6743 /* Don't send events for a non-kernel initiated discovery. With
6744 * LE one exception is if we have pend_le_reports > 0 in which
6745 * case we're doing passive scanning and want these events.
6746 */
6747 if (!hci_discovery_active(hdev)) {
6748 if (link_type == ACL_LINK)
6749 return;
66f8455a 6750 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
75ce208c
JH		 6751 return;
6752 }
12602d0c 6753
5d2e9fad
JH		 6754 /* Make sure that the buffer is big enough. The 5 extra bytes
6755 * are for the potential CoD field.
6756 */
6757 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
901801b9 6758 return;
7d262f86 6759
1dc06093
JH		 6760 memset(buf, 0, sizeof(buf));
6761
841c5644
JH		 6762 bacpy(&ev->addr.bdaddr, bdaddr);
6763 ev->addr.type = link_to_bdaddr(link_type, addr_type);
e319d2e7 6764 ev->rssi = rssi;
af58925c 6765 ev->flags = cpu_to_le32(flags);
e17acd40 6766
1dc06093 6767 if (eir_len > 0)
e319d2e7 6768 memcpy(ev->eir, eir, eir_len);
e17acd40 6769
1dc06093
JH		 6770 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
6771 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 6772 dev_class, 3);
1dc06093 6773
5d2e9fad
JH		 6774 if (scan_rsp_len > 0)
6775 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
6776
6777 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
6778 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 6779
901801b9 6780 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 6781}
a88a9652 6782
9cf12aee
MH		 6783void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6784 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 6785{
b644ba33
JH		 6786 struct mgmt_ev_device_found *ev;
6787 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
6788 u16 eir_len;
a88a9652 6789
b644ba33 6790 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 6791
b644ba33
JH		 6792 memset(buf, 0, sizeof(buf));
6793
6794 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6795 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 6796 ev->rssi = rssi;
6797
6798 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 6799 name_len);
b644ba33 6800
eb55ef07 6801 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 6802
9cf12aee 6803 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 6804}
314b2381 6805
2f1e063b 6806void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 6807{
f963e8e9 6808 struct mgmt_ev_discovering ev;
164a6e78
JH		 6809 struct pending_cmd *cmd;
6810
343fb145
AG		 6811 BT_DBG("%s discovering %u", hdev->name, discovering);
6812
164a6e78 6813 if (discovering)
2e58ef3e 6814 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78 6815 else
2e58ef3e 6816 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
164a6e78
JH		 6817
6818 if (cmd != NULL) {
f808e166
JH		 6819 u8 type = hdev->discovery.type;
6820
04124681
GP		 6821 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
6822 sizeof(type));
164a6e78
JH		 6823 mgmt_pending_remove(cmd);
6824 }
6825
f963e8e9
JH		 6826 memset(&ev, 0, sizeof(ev));
6827 ev.type = hdev->discovery.type;
6828 ev.discovering = discovering;
6829
2f1e063b 6830 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 6831}
5e762444 6832
5976e608
MH		 6833static void adv_enable_complete(struct hci_dev *hdev, u8 status)
6834{
6835 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 6836}
6837
6838void mgmt_reenable_advertising(struct hci_dev *hdev)
6839{
6840 struct hci_request req;
6841
5976e608
MH		 6842 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
6843 return;
6844
6845 hci_req_init(&req, hdev);
6846 enable_advertising(&req);
0ec5ae84 6847 hci_req_run(&req, adv_enable_complete);
5976e608 6848}
Linux kernel - Deliverables
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