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Bluetooth: Fix enabling Authenticated Payload Timeout Expired event
[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,
47 MGMT_OP_SET_PAIRABLE,
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
4b34ee78
JH		 132#define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \
133 !test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
134
eec8d2bc
JH		 135struct pending_cmd {
136 struct list_head list;
fc2f4b13 137 u16 opcode;
eec8d2bc 138 int index;
c68fb7ff 139 void *param;
eec8d2bc 140 struct sock *sk;
e9a416b5 141 void *user_data;
eec8d2bc
JH		 142};
143
ca69b795
JH		 144/* HCI to MGMT error code conversion table */
145static u8 mgmt_status_table[] = {
146 MGMT_STATUS_SUCCESS,
147 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
148 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
149 MGMT_STATUS_FAILED, /* Hardware Failure */
150 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
151 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 152 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 153 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
154 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
155 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
156 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
157 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
158 MGMT_STATUS_BUSY, /* Command Disallowed */
159 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
160 MGMT_STATUS_REJECTED, /* Rejected Security */
161 MGMT_STATUS_REJECTED, /* Rejected Personal */
162 MGMT_STATUS_TIMEOUT, /* Host Timeout */
163 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
164 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
165 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
166 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
167 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
168 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
169 MGMT_STATUS_BUSY, /* Repeated Attempts */
170 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
171 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
172 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
173 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
174 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
175 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
176 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
177 MGMT_STATUS_FAILED, /* Unspecified Error */
178 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
179 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
180 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
181 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
182 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
183 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
184 MGMT_STATUS_FAILED, /* Unit Link Key Used */
185 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
186 MGMT_STATUS_TIMEOUT, /* Instant Passed */
187 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
188 MGMT_STATUS_FAILED, /* Transaction Collision */
189 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
190 MGMT_STATUS_REJECTED, /* QoS Rejected */
191 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
192 MGMT_STATUS_REJECTED, /* Insufficient Security */
193 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
194 MGMT_STATUS_BUSY, /* Role Switch Pending */
195 MGMT_STATUS_FAILED, /* Slot Violation */
196 MGMT_STATUS_FAILED, /* Role Switch Failed */
197 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
198 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
199 MGMT_STATUS_BUSY, /* Host Busy Pairing */
200 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
201 MGMT_STATUS_BUSY, /* Controller Busy */
202 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
203 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
204 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
205 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
206 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
207};
208
209static u8 mgmt_status(u8 hci_status)
210{
211 if (hci_status < ARRAY_SIZE(mgmt_status_table))
212 return mgmt_status_table[hci_status];
213
214 return MGMT_STATUS_FAILED;
215}
216
04c60f05
MH		 217static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
218 struct sock *skip_sk)
219{
220 struct sk_buff *skb;
221 struct mgmt_hdr *hdr;
222
223 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
224 if (!skb)
225 return -ENOMEM;
226
227 hdr = (void *) skb_put(skb, sizeof(*hdr));
228 hdr->opcode = cpu_to_le16(event);
229 if (hdev)
230 hdr->index = cpu_to_le16(hdev->id);
231 else
232 hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
233 hdr->len = cpu_to_le16(data_len);
234
235 if (data)
236 memcpy(skb_put(skb, data_len), data, data_len);
237
238 /* Time stamp */
239 __net_timestamp(skb);
240
241 hci_send_to_control(skb, skip_sk);
242 kfree_skb(skb);
243
244 return 0;
245}
246
4e51eae9 247static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
f7b64e69
JH		 248{
249 struct sk_buff *skb;
250 struct mgmt_hdr *hdr;
251 struct mgmt_ev_cmd_status *ev;
56b7d137 252 int err;
f7b64e69 253
34eb525c 254 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
f7b64e69 255
790eff44 256 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL);
f7b64e69
JH		 257 if (!skb)
258 return -ENOMEM;
259
260 hdr = (void *) skb_put(skb, sizeof(*hdr));
261
dcf4adbf 262 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
4e51eae9 263 hdr->index = cpu_to_le16(index);
f7b64e69
JH		 264 hdr->len = cpu_to_le16(sizeof(*ev));
265
266 ev = (void *) skb_put(skb, sizeof(*ev));
267 ev->status = status;
eb55ef07 268 ev->opcode = cpu_to_le16(cmd);
f7b64e69 269
56b7d137
GP		 270 err = sock_queue_rcv_skb(sk, skb);
271 if (err < 0)
f7b64e69
JH		 272 kfree_skb(skb);
273
56b7d137 274 return err;
f7b64e69
JH		 275}
276
aee9b218 277static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
04124681 278 void *rp, size_t rp_len)
02d98129
JH		 279{
280 struct sk_buff *skb;
281 struct mgmt_hdr *hdr;
282 struct mgmt_ev_cmd_complete *ev;
56b7d137 283 int err;
02d98129
JH		 284
285 BT_DBG("sock %p", sk);
286
790eff44 287 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL);
02d98129
JH		 288 if (!skb)
289 return -ENOMEM;
290
291 hdr = (void *) skb_put(skb, sizeof(*hdr));
02d98129 292
dcf4adbf 293 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
4e51eae9 294 hdr->index = cpu_to_le16(index);
a38528f1 295 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
02d98129 296
a38528f1 297 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
eb55ef07 298 ev->opcode = cpu_to_le16(cmd);
aee9b218 299 ev->status = status;
8020c16a
SJ		 300
301 if (rp)
302 memcpy(ev->data, rp, rp_len);
02d98129 303
56b7d137
GP		 304 err = sock_queue_rcv_skb(sk, skb);
305 if (err < 0)
02d98129
JH		 306 kfree_skb(skb);
307
e5f0e151 308 return err;
02d98129
JH		 309}
310
04124681
GP		 311static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
312 u16 data_len)
a38528f1
JH		 313{
314 struct mgmt_rp_read_version rp;
315
316 BT_DBG("sock %p", sk);
317
318 rp.version = MGMT_VERSION;
dcf4adbf 319 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 320
aee9b218 321 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
04124681 322 sizeof(rp));
a38528f1
JH		 323}
324
04124681
GP		 325static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
326 u16 data_len)
e70bb2e8
JH		 327{
328 struct mgmt_rp_read_commands *rp;
eb55ef07
MH		 329 const u16 num_commands = ARRAY_SIZE(mgmt_commands);
330 const u16 num_events = ARRAY_SIZE(mgmt_events);
2e3c35ea 331 __le16 *opcode;
e70bb2e8
JH		 332 size_t rp_size;
333 int i, err;
334
335 BT_DBG("sock %p", sk);
336
337 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
338
339 rp = kmalloc(rp_size, GFP_KERNEL);
340 if (!rp)
341 return -ENOMEM;
342
dcf4adbf
JP		 343 rp->num_commands = cpu_to_le16(num_commands);
344 rp->num_events = cpu_to_le16(num_events);
e70bb2e8
JH		 345
346 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
347 put_unaligned_le16(mgmt_commands[i], opcode);
348
349 for (i = 0; i < num_events; i++, opcode++)
350 put_unaligned_le16(mgmt_events[i], opcode);
351
aee9b218 352 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
04124681 353 rp_size);
e70bb2e8
JH		 354 kfree(rp);
355
356 return err;
357}
358
04124681
GP		 359static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
360 u16 data_len)
faba42eb 361{
faba42eb 362 struct mgmt_rp_read_index_list *rp;
8035ded4 363 struct hci_dev *d;
a38528f1 364 size_t rp_len;
faba42eb 365 u16 count;
476e44cb 366 int err;
faba42eb
JH		 367
368 BT_DBG("sock %p", sk);
369
370 read_lock(&hci_dev_list_lock);
371
372 count = 0;
bb4b2a9a 373 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a
MH		 374 if (d->dev_type == HCI_BREDR &&
375 !test_bit(HCI_UNCONFIGURED, &d->dev_flags))
1514b892 376 count++;
faba42eb
JH		 377 }
378
a38528f1
JH		 379 rp_len = sizeof(*rp) + (2 * count);
380 rp = kmalloc(rp_len, GFP_ATOMIC);
381 if (!rp) {
b2c60d42 382 read_unlock(&hci_dev_list_lock);
faba42eb 383 return -ENOMEM;
b2c60d42 384 }
faba42eb 385
476e44cb 386 count = 0;
8035ded4 387 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 388 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 389 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a 390 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
ab81cbf9
JH		 391 continue;
392
73d1df2a
MH		 393 /* Devices marked as raw-only are neither configured
394 * nor unconfigured controllers.
395 */
396 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 397 continue;
398
73d1df2a
MH		 399 if (d->dev_type == HCI_BREDR &&
400 !test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
1514b892
MH		 401 rp->index[count++] = cpu_to_le16(d->id);
402 BT_DBG("Added hci%u", d->id);
403 }
faba42eb
JH		 404 }
405
476e44cb
JH		 406 rp->num_controllers = cpu_to_le16(count);
407 rp_len = sizeof(*rp) + (2 * count);
408
faba42eb
JH		 409 read_unlock(&hci_dev_list_lock);
410
aee9b218 411 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
04124681 412 rp_len);
faba42eb 413
a38528f1
JH		 414 kfree(rp);
415
416 return err;
faba42eb
JH		 417}
418
73d1df2a
MH		 419static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
420 void *data, u16 data_len)
421{
422 struct mgmt_rp_read_unconf_index_list *rp;
423 struct hci_dev *d;
424 size_t rp_len;
425 u16 count;
426 int err;
427
428 BT_DBG("sock %p", sk);
429
430 read_lock(&hci_dev_list_lock);
431
432 count = 0;
433 list_for_each_entry(d, &hci_dev_list, list) {
434 if (d->dev_type == HCI_BREDR &&
435 test_bit(HCI_UNCONFIGURED, &d->dev_flags))
436 count++;
437 }
438
439 rp_len = sizeof(*rp) + (2 * count);
440 rp = kmalloc(rp_len, GFP_ATOMIC);
441 if (!rp) {
442 read_unlock(&hci_dev_list_lock);
443 return -ENOMEM;
444 }
445
446 count = 0;
447 list_for_each_entry(d, &hci_dev_list, list) {
448 if (test_bit(HCI_SETUP, &d->dev_flags) ||
d603b76b 449 test_bit(HCI_CONFIG, &d->dev_flags) ||
73d1df2a
MH		 450 test_bit(HCI_USER_CHANNEL, &d->dev_flags))
451 continue;
452
453 /* Devices marked as raw-only are neither configured
454 * nor unconfigured controllers.
455 */
456 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
457 continue;
458
459 if (d->dev_type == HCI_BREDR &&
460 test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
461 rp->index[count++] = cpu_to_le16(d->id);
462 BT_DBG("Added hci%u", d->id);
463 }
464 }
465
466 rp->num_controllers = cpu_to_le16(count);
467 rp_len = sizeof(*rp) + (2 * count);
468
469 read_unlock(&hci_dev_list_lock);
470
471 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_UNCONF_INDEX_LIST,
472 0, rp, rp_len);
473
474 kfree(rp);
475
476 return err;
477}
478
dbece37a
MH		 479static bool is_configured(struct hci_dev *hdev)
480{
481 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
482 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
483 return false;
484
485 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
486 !bacmp(&hdev->public_addr, BDADDR_ANY))
487 return false;
488
489 return true;
490}
491
89bc22d2
MH		 492static __le32 get_missing_options(struct hci_dev *hdev)
493{
494 u32 options = 0;
495
dbece37a
MH		 496 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
497 !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
eb1904f4
MH		 498 options |= MGMT_OPTION_EXTERNAL_CONFIG;
499
89bc22d2
MH		 500 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
501 !bacmp(&hdev->public_addr, BDADDR_ANY))
502 options |= MGMT_OPTION_PUBLIC_ADDRESS;
503
504 return cpu_to_le32(options);
505}
506
f4537c04
MH		 507static int new_options(struct hci_dev *hdev, struct sock *skip)
508{
509 __le32 options = get_missing_options(hdev);
510
511 return mgmt_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
512 sizeof(options), skip);
513}
514
dbece37a
MH		 515static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
516{
517 __le32 options = get_missing_options(hdev);
518
519 return cmd_complete(sk, hdev->id, opcode, 0, &options,
520 sizeof(options));
521}
522
9fc3bfb6
MH		 523static int read_config_info(struct sock *sk, struct hci_dev *hdev,
524 void *data, u16 data_len)
525{
526 struct mgmt_rp_read_config_info rp;
89bc22d2 527 u32 options = 0;
9fc3bfb6
MH		 528
529 BT_DBG("sock %p %s", sk, hdev->name);
530
531 hci_dev_lock(hdev);
532
533 memset(&rp, 0, sizeof(rp));
534 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 535
eb1904f4
MH		 536 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
537 options |= MGMT_OPTION_EXTERNAL_CONFIG;
538
9fc3bfb6 539 if (hdev->set_bdaddr)
89bc22d2
MH		 540 options |= MGMT_OPTION_PUBLIC_ADDRESS;
541
542 rp.supported_options = cpu_to_le32(options);
543 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 544
545 hci_dev_unlock(hdev);
546
547 return cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, &rp,
548 sizeof(rp));
549}
550
69ab39ea
JH		 551static u32 get_supported_settings(struct hci_dev *hdev)
552{
553 u32 settings = 0;
554
555 settings |= MGMT_SETTING_POWERED;
69ab39ea 556 settings |= MGMT_SETTING_PAIRABLE;
b1de97d8 557 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 558 settings |= MGMT_SETTING_CONNECTABLE;
559 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 560
ed3fa31f 561 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 562 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
563 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 564 settings |= MGMT_SETTING_BREDR;
565 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 566
567 if (lmp_ssp_capable(hdev)) {
568 settings |= MGMT_SETTING_SSP;
569 settings |= MGMT_SETTING_HS;
570 }
e98d2ce2 571
5afeac14 572 if (lmp_sc_capable(hdev) ||
111902f7 573 test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
e98d2ce2 574 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 575 }
d7b7e796 576
eeca6f89 577 if (lmp_le_capable(hdev)) {
9d42820f 578 settings |= MGMT_SETTING_LE;
eeca6f89 579 settings |= MGMT_SETTING_ADVERTISING;
0f4bd942 580 settings |= MGMT_SETTING_PRIVACY;
eeca6f89 581 }
69ab39ea 582
eb1904f4
MH		 583 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
584 hdev->set_bdaddr)
9fc3bfb6
MH		 585 settings |= MGMT_SETTING_CONFIGURATION;
586
69ab39ea
JH		 587 return settings;
588}
589
590static u32 get_current_settings(struct hci_dev *hdev)
591{
592 u32 settings = 0;
593
f1f0eb02 594 if (hdev_is_powered(hdev))
f0d4b78a
MH		 595 settings |= MGMT_SETTING_POWERED;
596
5e5282bb 597 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
69ab39ea
JH		 598 settings |= MGMT_SETTING_CONNECTABLE;
599
1a4d3c4b
JH		 600 if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
601 settings |= MGMT_SETTING_FAST_CONNECTABLE;
602
5e5282bb 603 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
69ab39ea
JH		 604 settings |= MGMT_SETTING_DISCOVERABLE;
605
a8b2d5c2 606 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags))
69ab39ea
JH		 607 settings |= MGMT_SETTING_PAIRABLE;
608
56f87901 609 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 610 settings |= MGMT_SETTING_BREDR;
611
06199cf8 612 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 613 settings |= MGMT_SETTING_LE;
614
47990ea0 615 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
69ab39ea
JH		 616 settings |= MGMT_SETTING_LINK_SECURITY;
617
84bde9d6 618 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 619 settings |= MGMT_SETTING_SSP;
620
6d80dfd0
JH		 621 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
622 settings |= MGMT_SETTING_HS;
623
f3d3444a 624 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
eeca6f89
JH		 625 settings |= MGMT_SETTING_ADVERTISING;
626
e98d2ce2
MH		 627 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
628 settings |= MGMT_SETTING_SECURE_CONN;
629
0663b297 630 if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags))
b1de97d8
MH		 631 settings |= MGMT_SETTING_DEBUG_KEYS;
632
0f4bd942
JH		 633 if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
634 settings |= MGMT_SETTING_PRIVACY;
635
69ab39ea
JH		 636 return settings;
637}
638
ef580372
JH		 639#define PNP_INFO_SVCLASS_ID 0x1200
640
213202ed
JH		 641static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
642{
643 u8 *ptr = data, *uuids_start = NULL;
644 struct bt_uuid *uuid;
645
646 if (len < 4)
647 return ptr;
648
649 list_for_each_entry(uuid, &hdev->uuids, list) {
650 u16 uuid16;
651
652 if (uuid->size != 16)
653 continue;
654
655 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
656 if (uuid16 < 0x1100)
657 continue;
658
659 if (uuid16 == PNP_INFO_SVCLASS_ID)
660 continue;
661
662 if (!uuids_start) {
663 uuids_start = ptr;
664 uuids_start[0] = 1;
665 uuids_start[1] = EIR_UUID16_ALL;
666 ptr += 2;
667 }
668
669 /* Stop if not enough space to put next UUID */
670 if ((ptr - data) + sizeof(u16) > len) {
671 uuids_start[1] = EIR_UUID16_SOME;
672 break;
673 }
674
675 *ptr++ = (uuid16 & 0x00ff);
676 *ptr++ = (uuid16 & 0xff00) >> 8;
677 uuids_start[0] += sizeof(uuid16);
678 }
679
680 return ptr;
681}
682
cdf1963f
JH		 683static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
684{
685 u8 *ptr = data, *uuids_start = NULL;
686 struct bt_uuid *uuid;
687
688 if (len < 6)
689 return ptr;
690
691 list_for_each_entry(uuid, &hdev->uuids, list) {
692 if (uuid->size != 32)
693 continue;
694
695 if (!uuids_start) {
696 uuids_start = ptr;
697 uuids_start[0] = 1;
698 uuids_start[1] = EIR_UUID32_ALL;
699 ptr += 2;
700 }
701
702 /* Stop if not enough space to put next UUID */
703 if ((ptr - data) + sizeof(u32) > len) {
704 uuids_start[1] = EIR_UUID32_SOME;
705 break;
706 }
707
708 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
709 ptr += sizeof(u32);
710 uuids_start[0] += sizeof(u32);
711 }
712
713 return ptr;
714}
715
c00d575b
JH		 716static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
717{
718 u8 *ptr = data, *uuids_start = NULL;
719 struct bt_uuid *uuid;
720
721 if (len < 18)
722 return ptr;
723
724 list_for_each_entry(uuid, &hdev->uuids, list) {
725 if (uuid->size != 128)
726 continue;
727
728 if (!uuids_start) {
729 uuids_start = ptr;
730 uuids_start[0] = 1;
731 uuids_start[1] = EIR_UUID128_ALL;
732 ptr += 2;
733 }
734
735 /* Stop if not enough space to put next UUID */
736 if ((ptr - data) + 16 > len) {
737 uuids_start[1] = EIR_UUID128_SOME;
738 break;
739 }
740
741 memcpy(ptr, uuid->uuid, 16);
742 ptr += 16;
743 uuids_start[0] += 16;
744 }
745
746 return ptr;
747}
748
eb2a8d20
JH		 749static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
750{
751 struct pending_cmd *cmd;
752
753 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
754 if (cmd->opcode == opcode)
755 return cmd;
756 }
757
758 return NULL;
759}
760
95868426
JH		 761static struct pending_cmd *mgmt_pending_find_data(u16 opcode,
762 struct hci_dev *hdev,
763 const void *data)
764{
765 struct pending_cmd *cmd;
766
767 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
768 if (cmd->user_data != data)
769 continue;
770 if (cmd->opcode == opcode)
771 return cmd;
772 }
773
774 return NULL;
775}
776
f14d8f64
MH		 777static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
778{
7a5f4990
MH		 779 u8 ad_len = 0;
780 size_t name_len;
781
782 name_len = strlen(hdev->dev_name);
783 if (name_len > 0) {
784 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
785
786 if (name_len > max_len) {
787 name_len = max_len;
788 ptr[1] = EIR_NAME_SHORT;
789 } else
790 ptr[1] = EIR_NAME_COMPLETE;
791
792 ptr[0] = name_len + 1;
793
794 memcpy(ptr + 2, hdev->dev_name, name_len);
795
796 ad_len += (name_len + 2);
797 ptr += (name_len + 2);
798 }
799
800 return ad_len;
f14d8f64
MH		 801}
802
803static void update_scan_rsp_data(struct hci_request *req)
804{
805 struct hci_dev *hdev = req->hdev;
806 struct hci_cp_le_set_scan_rsp_data cp;
807 u8 len;
808
7751ef1b 809 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
f14d8f64
MH		 810 return;
811
812 memset(&cp, 0, sizeof(cp));
813
814 len = create_scan_rsp_data(hdev, cp.data);
815
eb438b5f
JH		 816 if (hdev->scan_rsp_data_len == len &&
817 memcmp(cp.data, hdev->scan_rsp_data, len) == 0)
f14d8f64
MH		 818 return;
819
eb438b5f
JH		 820 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
821 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 822
823 cp.length = len;
824
825 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
826}
827
9a43e25f
JH		 828static u8 get_adv_discov_flags(struct hci_dev *hdev)
829{
830 struct pending_cmd *cmd;
831
832 /* If there's a pending mgmt command the flags will not yet have
833 * their final values, so check for this first.
834 */
835 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
836 if (cmd) {
837 struct mgmt_mode *cp = cmd->param;
838 if (cp->val == 0x01)
839 return LE_AD_GENERAL;
840 else if (cp->val == 0x02)
841 return LE_AD_LIMITED;
842 } else {
843 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
844 return LE_AD_LIMITED;
845 else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
846 return LE_AD_GENERAL;
847 }
848
849 return 0;
850}
851
46cad2ed 852static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr)
441ad2d0
MH		 853{
854 u8 ad_len = 0, flags = 0;
441ad2d0 855
9a43e25f 856 flags |= get_adv_discov_flags(hdev);
441ad2d0 857
e834004b 858 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
441ad2d0 859 flags |= LE_AD_NO_BREDR;
441ad2d0
MH		 860
861 if (flags) {
862 BT_DBG("adv flags 0x%02x", flags);
863
864 ptr[0] = 2;
865 ptr[1] = EIR_FLAGS;
866 ptr[2] = flags;
867
868 ad_len += 3;
869 ptr += 3;
870 }
871
872 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
873 ptr[0] = 2;
874 ptr[1] = EIR_TX_POWER;
875 ptr[2] = (u8) hdev->adv_tx_power;
876
877 ad_len += 3;
878 ptr += 3;
879 }
880
441ad2d0
MH		 881 return ad_len;
882}
883
5947f4bc 884static void update_adv_data(struct hci_request *req)
441ad2d0
MH		 885{
886 struct hci_dev *hdev = req->hdev;
887 struct hci_cp_le_set_adv_data cp;
888 u8 len;
889
10994ce6 890 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
441ad2d0
MH		 891 return;
892
893 memset(&cp, 0, sizeof(cp));
894
46cad2ed 895 len = create_adv_data(hdev, cp.data);
441ad2d0
MH		 896
897 if (hdev->adv_data_len == len &&
898 memcmp(cp.data, hdev->adv_data, len) == 0)
899 return;
900
901 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
902 hdev->adv_data_len = len;
903
904 cp.length = len;
905
906 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
907}
908
ef580372
JH		 909static void create_eir(struct hci_dev *hdev, u8 *data)
910{
911 u8 *ptr = data;
ef580372
JH		 912 size_t name_len;
913
914 name_len = strlen(hdev->dev_name);
915
916 if (name_len > 0) {
917 /* EIR Data type */
918 if (name_len > 48) {
919 name_len = 48;
920 ptr[1] = EIR_NAME_SHORT;
921 } else
922 ptr[1] = EIR_NAME_COMPLETE;
923
924 /* EIR Data length */
925 ptr[0] = name_len + 1;
926
927 memcpy(ptr + 2, hdev->dev_name, name_len);
928
ef580372
JH		 929 ptr += (name_len + 2);
930 }
931
bbaf444a 932 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 933 ptr[0] = 2;
934 ptr[1] = EIR_TX_POWER;
935 ptr[2] = (u8) hdev->inq_tx_power;
936
91c4e9b1
MH		 937 ptr += 3;
938 }
939
2b9be137
MH		 940 if (hdev->devid_source > 0) {
941 ptr[0] = 9;
942 ptr[1] = EIR_DEVICE_ID;
943
944 put_unaligned_le16(hdev->devid_source, ptr + 2);
945 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
946 put_unaligned_le16(hdev->devid_product, ptr + 6);
947 put_unaligned_le16(hdev->devid_version, ptr + 8);
948
2b9be137
MH		 949 ptr += 10;
950 }
951
213202ed 952 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 953 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 954 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 955}
956
890ea898 957static void update_eir(struct hci_request *req)
ef580372 958{
890ea898 959 struct hci_dev *hdev = req->hdev;
ef580372
JH		 960 struct hci_cp_write_eir cp;
961
504c8dcd 962 if (!hdev_is_powered(hdev))
890ea898 963 return;
7770c4aa 964
976eb20e 965 if (!lmp_ext_inq_capable(hdev))
890ea898 966 return;
ef580372 967
84bde9d6 968 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 969 return;
ef580372 970
a8b2d5c2 971 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 972 return;
ef580372
JH		 973
974 memset(&cp, 0, sizeof(cp));
975
976 create_eir(hdev, cp.data);
977
978 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 979 return;
ef580372
JH		 980
981 memcpy(hdev->eir, cp.data, sizeof(cp.data));
982
890ea898 983 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 984}
985
986static u8 get_service_classes(struct hci_dev *hdev)
987{
988 struct bt_uuid *uuid;
989 u8 val = 0;
990
991 list_for_each_entry(uuid, &hdev->uuids, list)
992 val |= uuid->svc_hint;
993
994 return val;
995}
996
890ea898 997static void update_class(struct hci_request *req)
ef580372 998{
890ea898 999 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1000 u8 cod[3];
1001
1002 BT_DBG("%s", hdev->name);
1003
504c8dcd 1004 if (!hdev_is_powered(hdev))
890ea898 1005 return;
7770c4aa 1006
f87ea1da
JH		 1007 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1008 return;
1009
a8b2d5c2 1010 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 1011 return;
ef580372
JH		 1012
1013 cod[0] = hdev->minor_class;
1014 cod[1] = hdev->major_class;
1015 cod[2] = get_service_classes(hdev);
1016
6acd7db4
MH		 1017 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
1018 cod[1] |= 0x20;
1019
ef580372 1020 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1021 return;
ef580372 1022
890ea898 1023 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1024}
1025
a4858cb9 1026static bool get_connectable(struct hci_dev *hdev)
199a2fb1
JH		 1027{
1028 struct pending_cmd *cmd;
199a2fb1
JH		 1029
1030 /* If there's a pending mgmt command the flag will not yet have
1031 * it's final value, so check for this first.
1032 */
1033 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1034 if (cmd) {
1035 struct mgmt_mode *cp = cmd->param;
a4858cb9 1036 return cp->val;
199a2fb1
JH		 1037 }
1038
a4858cb9 1039 return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
199a2fb1
JH		 1040}
1041
0ec5ae84
JH		 1042static void disable_advertising(struct hci_request *req)
1043{
1044 u8 enable = 0x00;
1045
1046 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1047}
1048
199a2fb1
JH		 1049static void enable_advertising(struct hci_request *req)
1050{
1051 struct hci_dev *hdev = req->hdev;
1052 struct hci_cp_le_set_adv_param cp;
8f2a0601 1053 u8 own_addr_type, enable = 0x01;
a4858cb9 1054 bool connectable;
199a2fb1 1055
0ec5ae84
JH		 1056 if (hci_conn_num(hdev, LE_LINK) > 0)
1057 return;
1058
1059 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
1060 disable_advertising(req);
1061
5ce194c4 1062 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1063 * hci_update_random_address knows that it's safe to go ahead
1064 * and write a new random address. The flag will be set back on
1065 * as soon as the SET_ADV_ENABLE HCI command completes.
1066 */
5ce194c4 1067 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
8d97250e 1068
a4858cb9 1069 connectable = get_connectable(hdev);
8f2a0601 1070
a4858cb9
JH		 1071 /* Set require_privacy to true only when non-connectable
1072 * advertising is used. In that case it is fine to use a
1073 * non-resolvable private address.
1074 */
1075 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1076 return;
1077
41c90c18 1078 memset(&cp, 0, sizeof(cp));
dcf4adbf
JP		 1079 cp.min_interval = cpu_to_le16(0x0800);
1080 cp.max_interval = cpu_to_le16(0x0800);
a4858cb9 1081 cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
8f2a0601 1082 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1083 cp.channel_map = hdev->le_adv_channel_map;
1084
1085 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1086
1087 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1088}
1089
7d78525d
JH		 1090static void service_cache_off(struct work_struct *work)
1091{
1092 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1093 service_cache.work);
890ea898 1094 struct hci_request req;
7d78525d 1095
a8b2d5c2 1096 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
7d78525d
JH		 1097 return;
1098
890ea898
JH		 1099 hci_req_init(&req, hdev);
1100
7d78525d
JH		 1101 hci_dev_lock(hdev);
1102
890ea898
JH		 1103 update_eir(&req);
1104 update_class(&req);
7d78525d
JH		 1105
1106 hci_dev_unlock(hdev);
890ea898
JH		 1107
1108 hci_req_run(&req, NULL);
7d78525d
JH		 1109}
1110
d6bfd59c
JH		 1111static void rpa_expired(struct work_struct *work)
1112{
1113 struct hci_dev *hdev = container_of(work, struct hci_dev,
1114 rpa_expired.work);
1115 struct hci_request req;
1116
1117 BT_DBG("");
1118
1119 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
1120
0ec5ae84 1121 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
d6bfd59c
JH		 1122 return;
1123
1124 /* The generation of a new RPA and programming it into the
1125 * controller happens in the enable_advertising() function.
1126 */
d6bfd59c 1127 hci_req_init(&req, hdev);
d6bfd59c 1128 enable_advertising(&req);
d6bfd59c
JH		 1129 hci_req_run(&req, NULL);
1130}
1131
6a919082 1132static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1133{
4f87da80 1134 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
6a919082
JH		 1135 return;
1136
4f87da80 1137 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1138 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1139
4f87da80
JH		 1140 /* Non-mgmt controlled devices get this bit set
1141 * implicitly so that pairing works for them, however
1142 * for mgmt we require user-space to explicitly enable
1143 * it
1144 */
1145 clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
7d78525d
JH		 1146}
1147
0f4e68cf 1148static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1149 void *data, u16 data_len)
0381101f 1150{
a38528f1 1151 struct mgmt_rp_read_info rp;
f7b64e69 1152
bdb6d971 1153 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1154
09fd0de5 1155 hci_dev_lock(hdev);
f7b64e69 1156
dc4fe30b
JH		 1157 memset(&rp, 0, sizeof(rp));
1158
69ab39ea 1159 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1160
69ab39ea 1161 rp.version = hdev->hci_ver;
eb55ef07 1162 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1163
1164 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1165 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1166
a38528f1 1167 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1168
dc4fe30b 1169 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1170 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1171
09fd0de5 1172 hci_dev_unlock(hdev);
0381101f 1173
bdb6d971 1174 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
04124681 1175 sizeof(rp));
0381101f
JH		 1176}
1177
eec8d2bc
JH		 1178static void mgmt_pending_free(struct pending_cmd *cmd)
1179{
1180 sock_put(cmd->sk);
c68fb7ff 1181 kfree(cmd->param);
eec8d2bc
JH		 1182 kfree(cmd);
1183}
1184
366a0336 1185static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
04124681
GP		 1186 struct hci_dev *hdev, void *data,
1187 u16 len)
eec8d2bc
JH		 1188{
1189 struct pending_cmd *cmd;
1190
fca20018 1191 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
eec8d2bc 1192 if (!cmd)
366a0336 1193 return NULL;
eec8d2bc
JH		 1194
1195 cmd->opcode = opcode;
2e58ef3e 1196 cmd->index = hdev->id;
eec8d2bc 1197
12b94565 1198 cmd->param = kmalloc(len, GFP_KERNEL);
c68fb7ff 1199 if (!cmd->param) {
eec8d2bc 1200 kfree(cmd);
366a0336 1201 return NULL;
eec8d2bc
JH		 1202 }
1203
8fce6357
SJ		 1204 if (data)
1205 memcpy(cmd->param, data, len);
eec8d2bc
JH		 1206
1207 cmd->sk = sk;
1208 sock_hold(sk);
1209
2e58ef3e 1210 list_add(&cmd->list, &hdev->mgmt_pending);
eec8d2bc 1211
366a0336 1212 return cmd;
eec8d2bc
JH		 1213}
1214
744cf19e 1215static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
8fc9ced3
GP		 1216 void (*cb)(struct pending_cmd *cmd,
1217 void *data),
04124681 1218 void *data)
eec8d2bc 1219{
a3d09356 1220 struct pending_cmd *cmd, *tmp;
eec8d2bc 1221
a3d09356 1222 list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
b24752fe 1223 if (opcode > 0 && cmd->opcode != opcode)
eec8d2bc
JH		 1224 continue;
1225
eec8d2bc
JH		 1226 cb(cmd, data);
1227 }
1228}
1229
a664b5bc 1230static void mgmt_pending_remove(struct pending_cmd *cmd)
73f22f62 1231{
73f22f62
JH		 1232 list_del(&cmd->list);
1233 mgmt_pending_free(cmd);
1234}
1235
69ab39ea 1236static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1237{
69ab39ea 1238 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1239
aee9b218 1240 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
04124681 1241 sizeof(settings));
8680570b
JH		 1242}
1243
8b064a3a
JH		 1244static void clean_up_hci_complete(struct hci_dev *hdev, u8 status)
1245{
1246 BT_DBG("%s status 0x%02x", hdev->name, status);
1247
a3172b7e
JH		 1248 if (hci_conn_count(hdev) == 0) {
1249 cancel_delayed_work(&hdev->power_off);
8b064a3a 1250 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1251 }
8b064a3a
JH		 1252}
1253
23a48093 1254static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1255{
1256 struct hci_dev *hdev = req->hdev;
1257 struct hci_cp_remote_name_req_cancel cp;
1258 struct inquiry_entry *e;
1259
1260 switch (hdev->discovery.state) {
1261 case DISCOVERY_FINDING:
1262 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
1263 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1264 } else {
1265 cancel_delayed_work(&hdev->le_scan_disable);
1266 hci_req_add_le_scan_disable(req);
1267 }
1268
23a48093 1269 return true;
21a60d30
JH		 1270
1271 case DISCOVERY_RESOLVING:
1272 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1273 NAME_PENDING);
1274 if (!e)
23a48093 1275 break;
21a60d30
JH		 1276
1277 bacpy(&cp.bdaddr, &e->data.bdaddr);
1278 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1279 &cp);
1280
23a48093 1281 return true;
21a60d30
JH		 1282
1283 default:
1284 /* Passive scanning */
23a48093 1285 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
21a60d30 1286 hci_req_add_le_scan_disable(req);
23a48093
JH		 1287 return true;
1288 }
1289
21a60d30
JH		 1290 break;
1291 }
23a48093
JH		 1292
1293 return false;
21a60d30
JH		 1294}
1295
8b064a3a
JH		 1296static int clean_up_hci_state(struct hci_dev *hdev)
1297{
1298 struct hci_request req;
1299 struct hci_conn *conn;
23a48093
JH		 1300 bool discov_stopped;
1301 int err;
8b064a3a
JH		 1302
1303 hci_req_init(&req, hdev);
1304
1305 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1306 test_bit(HCI_PSCAN, &hdev->flags)) {
1307 u8 scan = 0x00;
1308 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1309 }
1310
73e082f8 1311 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
8b064a3a
JH		 1312 disable_advertising(&req);
1313
23a48093 1314 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1315
1316 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1317 struct hci_cp_disconnect dc;
c9910d0f
JH		 1318 struct hci_cp_reject_conn_req rej;
1319
1320 switch (conn->state) {
1321 case BT_CONNECTED:
1322 case BT_CONFIG:
1323 dc.handle = cpu_to_le16(conn->handle);
1324 dc.reason = 0x15; /* Terminated due to Power Off */
1325 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1326 break;
1327 case BT_CONNECT:
1328 if (conn->type == LE_LINK)
1329 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1330 0, NULL);
1331 else if (conn->type == ACL_LINK)
1332 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1333 6, &conn->dst);
1334 break;
1335 case BT_CONNECT2:
1336 bacpy(&rej.bdaddr, &conn->dst);
1337 rej.reason = 0x15; /* Terminated due to Power Off */
1338 if (conn->type == ACL_LINK)
1339 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1340 sizeof(rej), &rej);
1341 else if (conn->type == SCO_LINK)
1342 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1343 sizeof(rej), &rej);
1344 break;
1345 }
8b064a3a
JH		 1346 }
1347
23a48093
JH		 1348 err = hci_req_run(&req, clean_up_hci_complete);
1349 if (!err && discov_stopped)
1350 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1351
1352 return err;
8b064a3a
JH		 1353}
1354
bdb6d971 1355static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1356 u16 len)
eec8d2bc 1357{
650f726d 1358 struct mgmt_mode *cp = data;
366a0336 1359 struct pending_cmd *cmd;
4b34ee78 1360 int err;
eec8d2bc 1361
bdb6d971 1362 BT_DBG("request for %s", hdev->name);
eec8d2bc 1363
a7e80f25
JH		 1364 if (cp->val != 0x00 && cp->val != 0x01)
1365 return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1366 MGMT_STATUS_INVALID_PARAMS);
1367
09fd0de5 1368 hci_dev_lock(hdev);
eec8d2bc 1369
87b95ba6
JH		 1370 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
1371 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1372 MGMT_STATUS_BUSY);
1373 goto failed;
1374 }
1375
f0d4b78a
MH		 1376 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
1377 cancel_delayed_work(&hdev->power_off);
1378
1379 if (cp->val) {
a1d70450
JH		 1380 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1381 data, len);
1382 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1383 goto failed;
1384 }
1385 }
1386
4b34ee78 1387 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1388 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1389 goto failed;
1390 }
1391
2e58ef3e 1392 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1393 if (!cmd) {
1394 err = -ENOMEM;
eec8d2bc 1395 goto failed;
366a0336 1396 }
eec8d2bc 1397
8b064a3a 1398 if (cp->val) {
19202573 1399 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1400 err = 0;
1401 } else {
1402 /* Disconnect connections, stop scans, etc */
1403 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1404 if (!err)
1405 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1406 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1407
8b064a3a
JH		 1408 /* ENODATA means there were no HCI commands queued */
1409 if (err == -ENODATA) {
a3172b7e 1410 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1411 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1412 err = 0;
1413 }
1414 }
eec8d2bc
JH		 1415
1416failed:
09fd0de5 1417 hci_dev_unlock(hdev);
366a0336 1418 return err;
eec8d2bc
JH		 1419}
1420
beadb2bd
JH		 1421static int new_settings(struct hci_dev *hdev, struct sock *skip)
1422{
1423 __le32 ev;
1424
1425 ev = cpu_to_le32(get_current_settings(hdev));
1426
1427 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
1428}
1429
bd99abdd
JH		 1430struct cmd_lookup {
1431 struct sock *sk;
1432 struct hci_dev *hdev;
1433 u8 mgmt_status;
1434};
1435
1436static void settings_rsp(struct pending_cmd *cmd, void *data)
1437{
1438 struct cmd_lookup *match = data;
1439
1440 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1441
1442 list_del(&cmd->list);
1443
1444 if (match->sk == NULL) {
1445 match->sk = cmd->sk;
1446 sock_hold(match->sk);
1447 }
1448
1449 mgmt_pending_free(cmd);
1450}
1451
1452static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
1453{
1454 u8 *status = data;
1455
1456 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1457 mgmt_pending_remove(cmd);
1458}
1459
e6fe7986
JH		 1460static u8 mgmt_bredr_support(struct hci_dev *hdev)
1461{
1462 if (!lmp_bredr_capable(hdev))
1463 return MGMT_STATUS_NOT_SUPPORTED;
1464 else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1465 return MGMT_STATUS_REJECTED;
1466 else
1467 return MGMT_STATUS_SUCCESS;
1468}
1469
1470static u8 mgmt_le_support(struct hci_dev *hdev)
1471{
1472 if (!lmp_le_capable(hdev))
1473 return MGMT_STATUS_NOT_SUPPORTED;
1474 else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
1475 return MGMT_STATUS_REJECTED;
1476 else
1477 return MGMT_STATUS_SUCCESS;
1478}
1479
bfaf8c9f
JH		 1480static void set_discoverable_complete(struct hci_dev *hdev, u8 status)
1481{
1482 struct pending_cmd *cmd;
1483 struct mgmt_mode *cp;
970ba524 1484 struct hci_request req;
bfaf8c9f
JH		 1485 bool changed;
1486
1487 BT_DBG("status 0x%02x", status);
1488
1489 hci_dev_lock(hdev);
1490
1491 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1492 if (!cmd)
1493 goto unlock;
1494
1495 if (status) {
1496 u8 mgmt_err = mgmt_status(status);
1497 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
310a3d48 1498 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
bfaf8c9f
JH		 1499 goto remove_cmd;
1500 }
1501
1502 cp = cmd->param;
d4462a07 1503 if (cp->val) {
bfaf8c9f
JH		 1504 changed = !test_and_set_bit(HCI_DISCOVERABLE,
1505 &hdev->dev_flags);
d4462a07
MH		 1506
1507 if (hdev->discov_timeout > 0) {
1508 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1509 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1510 to);
1511 }
1512 } else {
bfaf8c9f
JH		 1513 changed = test_and_clear_bit(HCI_DISCOVERABLE,
1514 &hdev->dev_flags);
d4462a07 1515 }
bfaf8c9f
JH		 1516
1517 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1518
1519 if (changed)
1520 new_settings(hdev, cmd->sk);
1521
970ba524
MH		 1522 /* When the discoverable mode gets changed, make sure
1523 * that class of device has the limited discoverable
1524 * bit correctly set.
1525 */
1526 hci_req_init(&req, hdev);
1527 update_class(&req);
1528 hci_req_run(&req, NULL);
1529
bfaf8c9f
JH		 1530remove_cmd:
1531 mgmt_pending_remove(cmd);
1532
1533unlock:
1534 hci_dev_unlock(hdev);
1535}
1536
bdb6d971 1537static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1538 u16 len)
73f22f62 1539{
650f726d 1540 struct mgmt_cp_set_discoverable *cp = data;
366a0336 1541 struct pending_cmd *cmd;
bfaf8c9f 1542 struct hci_request req;
5e5282bb 1543 u16 timeout;
9a43e25f 1544 u8 scan;
73f22f62
JH		 1545 int err;
1546
bdb6d971 1547 BT_DBG("request for %s", hdev->name);
73f22f62 1548
9a43e25f
JH		 1549 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1550 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1551 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
9a43e25f 1552 MGMT_STATUS_REJECTED);
33c525c0 1553
310a3d48 1554 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a7e80f25
JH		 1555 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1556 MGMT_STATUS_INVALID_PARAMS);
1557
1f350c87 1558 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1559
1560 /* Disabling discoverable requires that no timeout is set,
1561 * and enabling limited discoverable requires a timeout.
1562 */
1563 if ((cp->val == 0x00 && timeout > 0) ||
1564 (cp->val == 0x02 && timeout == 0))
bdb6d971 1565 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1566 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1567
09fd0de5 1568 hci_dev_lock(hdev);
73f22f62 1569
5e5282bb 1570 if (!hdev_is_powered(hdev) && timeout > 0) {
bdb6d971 1571 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1572 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1573 goto failed;
1574 }
1575
2e58ef3e 1576 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1577 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1578 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1579 MGMT_STATUS_BUSY);
73f22f62
JH		 1580 goto failed;
1581 }
1582
5e5282bb 1583 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
bdb6d971 1584 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1585 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1586 goto failed;
1587 }
1588
1589 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1590 bool changed = false;
1591
310a3d48
MH		 1592 /* Setting limited discoverable when powered off is
1593 * not a valid operation since it requires a timeout
1594 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1595 */
0224d2fa
JH		 1596 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
1597 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1598 changed = true;
1599 }
1600
5e5282bb 1601 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1602 if (err < 0)
1603 goto failed;
1604
1605 if (changed)
1606 err = new_settings(hdev, sk);
1607
5e5282bb
JH		 1608 goto failed;
1609 }
1610
310a3d48
MH		 1611 /* If the current mode is the same, then just update the timeout
1612 * value with the new value. And if only the timeout gets updated,
1613 * then no need for any HCI transactions.
1614 */
1615 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) &&
1616 (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE,
1617 &hdev->dev_flags)) {
36261547
MH		 1618 cancel_delayed_work(&hdev->discov_off);
1619 hdev->discov_timeout = timeout;
955638ec 1620
36261547
MH		 1621 if (cp->val && hdev->discov_timeout > 0) {
1622 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1623 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1624 to);
955638ec
MH		 1625 }
1626
69ab39ea 1627 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1628 goto failed;
1629 }
1630
2e58ef3e 1631 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1632 if (!cmd) {
1633 err = -ENOMEM;
73f22f62 1634 goto failed;
366a0336 1635 }
73f22f62 1636
310a3d48
MH		 1637 /* Cancel any potential discoverable timeout that might be
1638 * still active and store new timeout value. The arming of
1639 * the timeout happens in the complete handler.
1640 */
1641 cancel_delayed_work(&hdev->discov_off);
1642 hdev->discov_timeout = timeout;
1643
b456f87c
JH		 1644 /* Limited discoverable mode */
1645 if (cp->val == 0x02)
1646 set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1647 else
1648 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1649
bfaf8c9f
JH		 1650 hci_req_init(&req, hdev);
1651
9a43e25f
JH		 1652 /* The procedure for LE-only controllers is much simpler - just
1653 * update the advertising data.
1654 */
1655 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1656 goto update_ad;
1657
73f22f62
JH		 1658 scan = SCAN_PAGE;
1659
310a3d48
MH		 1660 if (cp->val) {
1661 struct hci_cp_write_current_iac_lap hci_cp;
1662
1663 if (cp->val == 0x02) {
1664 /* Limited discoverable mode */
33337dcb 1665 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1666 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1667 hci_cp.iac_lap[1] = 0x8b;
1668 hci_cp.iac_lap[2] = 0x9e;
1669 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1670 hci_cp.iac_lap[4] = 0x8b;
1671 hci_cp.iac_lap[5] = 0x9e;
1672 } else {
1673 /* General discoverable mode */
310a3d48
MH		 1674 hci_cp.num_iac = 1;
1675 hci_cp.iac_lap[0] = 0x33; /* GIAC */
1676 hci_cp.iac_lap[1] = 0x8b;
1677 hci_cp.iac_lap[2] = 0x9e;
1678 }
1679
1680 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
1681 (hci_cp.num_iac * 3) + 1, &hci_cp);
1682
73f22f62 1683 scan |= SCAN_INQUIRY;
310a3d48
MH		 1684 } else {
1685 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1686 }
73f22f62 1687
310a3d48 1688 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 1689
9a43e25f
JH		 1690update_ad:
1691 update_adv_data(&req);
1692
bfaf8c9f 1693 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 1694 if (err < 0)
a664b5bc 1695 mgmt_pending_remove(cmd);
73f22f62
JH		 1696
1697failed:
09fd0de5 1698 hci_dev_unlock(hdev);
73f22f62
JH		 1699 return err;
1700}
1701
406d7804
JH		 1702static void write_fast_connectable(struct hci_request *req, bool enable)
1703{
bd98b996 1704 struct hci_dev *hdev = req->hdev;
406d7804
JH		 1705 struct hci_cp_write_page_scan_activity acp;
1706 u8 type;
1707
547003b1
JH		 1708 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1709 return;
1710
4c01f8b8
JH		 1711 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
1712 return;
1713
406d7804
JH		 1714 if (enable) {
1715 type = PAGE_SCAN_TYPE_INTERLACED;
1716
1717 /* 160 msec page scan interval */
dcf4adbf 1718 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 1719 } else {
1720 type = PAGE_SCAN_TYPE_STANDARD; /* default */
1721
1722 /* default 1.28 sec page scan */
dcf4adbf 1723 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 1724 }
1725
dcf4adbf 1726 acp.window = cpu_to_le16(0x0012);
406d7804 1727
bd98b996
JH		 1728 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
1729 __cpu_to_le16(hdev->page_scan_window) != acp.window)
1730 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
1731 sizeof(acp), &acp);
1732
1733 if (hdev->page_scan_type != type)
1734 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 1735}
1736
2b76f453
JH		 1737static void set_connectable_complete(struct hci_dev *hdev, u8 status)
1738{
1739 struct pending_cmd *cmd;
d7b856f9
JH		 1740 struct mgmt_mode *cp;
1741 bool changed;
2b76f453
JH		 1742
1743 BT_DBG("status 0x%02x", status);
1744
1745 hci_dev_lock(hdev);
1746
1747 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1748 if (!cmd)
1749 goto unlock;
1750
37438c1f
JH		 1751 if (status) {
1752 u8 mgmt_err = mgmt_status(status);
1753 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1754 goto remove_cmd;
1755 }
1756
d7b856f9
JH		 1757 cp = cmd->param;
1758 if (cp->val)
1759 changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1760 else
1761 changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1762
2b76f453
JH		 1763 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1764
2b7be33e 1765 if (changed) {
d7b856f9 1766 new_settings(hdev, cmd->sk);
2b7be33e
JH		 1767 hci_update_background_scan(hdev);
1768 }
d7b856f9 1769
37438c1f 1770remove_cmd:
2b76f453
JH		 1771 mgmt_pending_remove(cmd);
1772
1773unlock:
1774 hci_dev_unlock(hdev);
1775}
1776
e8ba3a1f
JH		 1777static int set_connectable_update_settings(struct hci_dev *hdev,
1778 struct sock *sk, u8 val)
1779{
1780 bool changed = false;
1781 int err;
1782
1783 if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
1784 changed = true;
1785
1786 if (val) {
1787 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1788 } else {
1789 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1790 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1791 }
1792
1793 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1794 if (err < 0)
1795 return err;
1796
562064e6
JH		 1797 if (changed) {
1798 hci_update_background_scan(hdev);
e8ba3a1f 1799 return new_settings(hdev, sk);
562064e6 1800 }
e8ba3a1f
JH		 1801
1802 return 0;
1803}
1804
bdb6d971 1805static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1806 u16 len)
9fbcbb45 1807{
650f726d 1808 struct mgmt_mode *cp = data;
366a0336 1809 struct pending_cmd *cmd;
2b76f453 1810 struct hci_request req;
1987fdc7 1811 u8 scan;
9fbcbb45
JH		 1812 int err;
1813
bdb6d971 1814 BT_DBG("request for %s", hdev->name);
9fbcbb45 1815
1987fdc7
JH		 1816 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1817 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1818 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1987fdc7 1819 MGMT_STATUS_REJECTED);
33c525c0 1820
a7e80f25
JH		 1821 if (cp->val != 0x00 && cp->val != 0x01)
1822 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1823 MGMT_STATUS_INVALID_PARAMS);
1824
09fd0de5 1825 hci_dev_lock(hdev);
9fbcbb45 1826
4b34ee78 1827 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1828 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1829 goto failed;
1830 }
1831
2e58ef3e 1832 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1833 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1834 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
04124681 1835 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1836 goto failed;
1837 }
1838
2e58ef3e 1839 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1840 if (!cmd) {
1841 err = -ENOMEM;
9fbcbb45 1842 goto failed;
366a0336 1843 }
9fbcbb45 1844
9b74246f 1845 hci_req_init(&req, hdev);
9fbcbb45 1846
9a43e25f
JH		 1847 /* If BR/EDR is not enabled and we disable advertising as a
1848 * by-product of disabling connectable, we need to update the
1849 * advertising flags.
1850 */
1851 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
1852 if (!cp->val) {
1853 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1854 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1855 }
1856 update_adv_data(&req);
1857 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 1858 if (cp->val) {
1859 scan = SCAN_PAGE;
1860 } else {
1861 scan = 0;
1862
1863 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 1864 hdev->discov_timeout > 0)
9b74246f
JH		 1865 cancel_delayed_work(&hdev->discov_off);
1866 }
2b76f453 1867
9b74246f
JH		 1868 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1869 }
2b76f453 1870
4c01f8b8
JH		 1871 /* If we're going from non-connectable to connectable or
1872 * vice-versa when fast connectable is enabled ensure that fast
1873 * connectable gets disabled. write_fast_connectable won't do
1874 * anything if the page scan parameters are already what they
1875 * should be.
1876 */
1877 if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
e36a3769
JH		 1878 write_fast_connectable(&req, false);
1879
1987fdc7 1880 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) &&
0ec5ae84 1881 !test_bit(HCI_LE_ADV, &hdev->dev_flags))
1987fdc7 1882 enable_advertising(&req);
1987fdc7 1883
2b76f453 1884 err = hci_req_run(&req, set_connectable_complete);
9b74246f 1885 if (err < 0) {
a664b5bc 1886 mgmt_pending_remove(cmd);
9b74246f 1887 if (err == -ENODATA)
a81070ba
JH		 1888 err = set_connectable_update_settings(hdev, sk,
1889 cp->val);
9b74246f
JH		 1890 goto failed;
1891 }
9fbcbb45
JH		 1892
1893failed:
09fd0de5 1894 hci_dev_unlock(hdev);
9fbcbb45
JH		 1895 return err;
1896}
1897
bdb6d971 1898static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1899 u16 len)
c542a06c 1900{
650f726d 1901 struct mgmt_mode *cp = data;
55594356 1902 bool changed;
c542a06c
JH		 1903 int err;
1904
bdb6d971 1905 BT_DBG("request for %s", hdev->name);
c542a06c 1906
a7e80f25
JH		 1907 if (cp->val != 0x00 && cp->val != 0x01)
1908 return cmd_status(sk, hdev->id, MGMT_OP_SET_PAIRABLE,
1909 MGMT_STATUS_INVALID_PARAMS);
1910
09fd0de5 1911 hci_dev_lock(hdev);
c542a06c
JH		 1912
1913 if (cp->val)
55594356 1914 changed = !test_and_set_bit(HCI_PAIRABLE, &hdev->dev_flags);
c542a06c 1915 else
55594356 1916 changed = test_and_clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
c542a06c 1917
69ab39ea 1918 err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev);
c542a06c 1919 if (err < 0)
55594356 1920 goto unlock;
c542a06c 1921
55594356
MH		 1922 if (changed)
1923 err = new_settings(hdev, sk);
c542a06c 1924
55594356 1925unlock:
09fd0de5 1926 hci_dev_unlock(hdev);
c542a06c
JH		 1927 return err;
1928}
1929
04124681
GP		 1930static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1931 u16 len)
33ef95ed
JH		 1932{
1933 struct mgmt_mode *cp = data;
1934 struct pending_cmd *cmd;
e6fe7986 1935 u8 val, status;
33ef95ed
JH		 1936 int err;
1937
bdb6d971 1938 BT_DBG("request for %s", hdev->name);
33ef95ed 1939
e6fe7986
JH		 1940 status = mgmt_bredr_support(hdev);
1941 if (status)
33c525c0 1942 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
e6fe7986 1943 status);
33c525c0 1944
a7e80f25
JH		 1945 if (cp->val != 0x00 && cp->val != 0x01)
1946 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1947 MGMT_STATUS_INVALID_PARAMS);
1948
33ef95ed
JH		 1949 hci_dev_lock(hdev);
1950
4b34ee78 1951 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1952 bool changed = false;
1953
1954 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
8ce8e2b5 1955 &hdev->dev_flags)) {
47990ea0
JH		 1956 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1957 changed = true;
1958 }
1959
1960 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1961 if (err < 0)
1962 goto failed;
1963
1964 if (changed)
1965 err = new_settings(hdev, sk);
1966
33ef95ed
JH		 1967 goto failed;
1968 }
1969
1970 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
bdb6d971 1971 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
04124681 1972 MGMT_STATUS_BUSY);
33ef95ed
JH		 1973 goto failed;
1974 }
1975
1976 val = !!cp->val;
1977
1978 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1979 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1980 goto failed;
1981 }
1982
1983 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1984 if (!cmd) {
1985 err = -ENOMEM;
1986 goto failed;
1987 }
1988
1989 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1990 if (err < 0) {
1991 mgmt_pending_remove(cmd);
1992 goto failed;
1993 }
1994
1995failed:
1996 hci_dev_unlock(hdev);
33ef95ed
JH		 1997 return err;
1998}
1999
bdb6d971 2000static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2001{
2002 struct mgmt_mode *cp = data;
2003 struct pending_cmd *cmd;
72ef0c1a 2004 u8 status;
ed2c4ee3
JH		 2005 int err;
2006
bdb6d971 2007 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2008
cdba5281
MH		 2009 status = mgmt_bredr_support(hdev);
2010 if (status)
2011 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
2012
13ecd8b6
JH		 2013 if (!lmp_ssp_capable(hdev))
2014 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2015 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2016
a7e80f25
JH		 2017 if (cp->val != 0x00 && cp->val != 0x01)
2018 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2019 MGMT_STATUS_INVALID_PARAMS);
2020
13ecd8b6 2021 hci_dev_lock(hdev);
6c8f12c1 2022
4b34ee78 2023 if (!hdev_is_powered(hdev)) {
9ecb3e24 2024 bool changed;
c0ecddc2 2025
9ecb3e24
MH		 2026 if (cp->val) {
2027 changed = !test_and_set_bit(HCI_SSP_ENABLED,
2028 &hdev->dev_flags);
2029 } else {
2030 changed = test_and_clear_bit(HCI_SSP_ENABLED,
2031 &hdev->dev_flags);
2032 if (!changed)
2033 changed = test_and_clear_bit(HCI_HS_ENABLED,
2034 &hdev->dev_flags);
2035 else
2036 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
c0ecddc2
JH		 2037 }
2038
2039 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2040 if (err < 0)
2041 goto failed;
2042
2043 if (changed)
2044 err = new_settings(hdev, sk);
2045
ed2c4ee3
JH		 2046 goto failed;
2047 }
2048
9ecb3e24
MH		 2049 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) ||
2050 mgmt_pending_find(MGMT_OP_SET_HS, hdev)) {
d97dcb66
SJ		 2051 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2052 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2053 goto failed;
2054 }
2055
72ef0c1a 2056 if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
ed2c4ee3
JH		 2057 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2058 goto failed;
2059 }
2060
2061 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2062 if (!cmd) {
2063 err = -ENOMEM;
2064 goto failed;
2065 }
2066
3769972b
JH		 2067 if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
2068 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2069 sizeof(cp->val), &cp->val);
2070
72ef0c1a 2071 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2072 if (err < 0) {
2073 mgmt_pending_remove(cmd);
2074 goto failed;
2075 }
2076
2077failed:
2078 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2079 return err;
2080}
2081
bdb6d971 2082static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2083{
2084 struct mgmt_mode *cp = data;
ee392693 2085 bool changed;
e6fe7986 2086 u8 status;
ee392693 2087 int err;
6d80dfd0 2088
bdb6d971 2089 BT_DBG("request for %s", hdev->name);
6d80dfd0 2090
e6fe7986
JH		 2091 status = mgmt_bredr_support(hdev);
2092 if (status)
2093 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2094
9ecb3e24
MH		 2095 if (!lmp_ssp_capable(hdev))
2096 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2097 MGMT_STATUS_NOT_SUPPORTED);
2098
2099 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
2100 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2101 MGMT_STATUS_REJECTED);
2102
a7e80f25
JH		 2103 if (cp->val != 0x00 && cp->val != 0x01)
2104 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2105 MGMT_STATUS_INVALID_PARAMS);
2106
ee392693
MH		 2107 hci_dev_lock(hdev);
2108
a0cdf960 2109 if (cp->val) {
ee392693 2110 changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960
MH		 2111 } else {
2112 if (hdev_is_powered(hdev)) {
2113 err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2114 MGMT_STATUS_REJECTED);
2115 goto unlock;
2116 }
2117
ee392693 2118 changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960 2119 }
ee392693
MH		 2120
2121 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2122 if (err < 0)
2123 goto unlock;
2124
2125 if (changed)
2126 err = new_settings(hdev, sk);
6d80dfd0 2127
ee392693
MH		 2128unlock:
2129 hci_dev_unlock(hdev);
2130 return err;
6d80dfd0
JH		 2131}
2132
416a4ae5
JH		 2133static void le_enable_complete(struct hci_dev *hdev, u8 status)
2134{
2135 struct cmd_lookup match = { NULL, hdev };
2136
2137 if (status) {
2138 u8 mgmt_err = mgmt_status(status);
2139
2140 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2141 &mgmt_err);
2142 return;
2143 }
2144
2145 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2146
2147 new_settings(hdev, match.sk);
2148
2149 if (match.sk)
2150 sock_put(match.sk);
441ad2d0
MH		 2151
2152 /* Make sure the controller has a good default for
2153 * advertising data. Restrict the update to when LE
2154 * has actually been enabled. During power on, the
2155 * update in powered_update_hci will take care of it.
2156 */
2157 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2158 struct hci_request req;
2159
2160 hci_dev_lock(hdev);
2161
2162 hci_req_init(&req, hdev);
5947f4bc 2163 update_adv_data(&req);
f14d8f64 2164 update_scan_rsp_data(&req);
441ad2d0
MH		 2165 hci_req_run(&req, NULL);
2166
a70f4b5f
JH		 2167 hci_update_background_scan(hdev);
2168
441ad2d0
MH		 2169 hci_dev_unlock(hdev);
2170 }
416a4ae5
JH		 2171}
2172
bdb6d971 2173static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2174{
2175 struct mgmt_mode *cp = data;
2176 struct hci_cp_write_le_host_supported hci_cp;
2177 struct pending_cmd *cmd;
416a4ae5 2178 struct hci_request req;
06199cf8 2179 int err;
0b60eba1 2180 u8 val, enabled;
06199cf8 2181
bdb6d971 2182 BT_DBG("request for %s", hdev->name);
06199cf8 2183
13ecd8b6
JH		 2184 if (!lmp_le_capable(hdev))
2185 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2186 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2187
a7e80f25
JH		 2188 if (cp->val != 0x00 && cp->val != 0x01)
2189 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2190 MGMT_STATUS_INVALID_PARAMS);
2191
c73eee91 2192 /* LE-only devices do not allow toggling LE on/off */
56f87901 2193 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
c73eee91
JH		 2194 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2195 MGMT_STATUS_REJECTED);
2196
13ecd8b6 2197 hci_dev_lock(hdev);
06199cf8
JH		 2198
2199 val = !!cp->val;
ffa88e02 2200 enabled = lmp_host_le_capable(hdev);
06199cf8 2201
0b60eba1 2202 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2203 bool changed = false;
2204
2205 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2206 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
2207 changed = true;
2208 }
2209
f3d3444a
JH		 2210 if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
2211 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
eeca6f89
JH		 2212 changed = true;
2213 }
2214
06199cf8
JH		 2215 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2216 if (err < 0)
1de028ce 2217 goto unlock;
06199cf8
JH		 2218
2219 if (changed)
2220 err = new_settings(hdev, sk);
2221
1de028ce 2222 goto unlock;
06199cf8
JH		 2223 }
2224
4375f103
JH		 2225 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) ||
2226 mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
bdb6d971 2227 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
04124681 2228 MGMT_STATUS_BUSY);
1de028ce 2229 goto unlock;
06199cf8
JH		 2230 }
2231
2232 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2233 if (!cmd) {
2234 err = -ENOMEM;
1de028ce 2235 goto unlock;
06199cf8
JH		 2236 }
2237
441ad2d0
MH		 2238 hci_req_init(&req, hdev);
2239
06199cf8
JH		 2240 memset(&hci_cp, 0, sizeof(hci_cp));
2241
2242 if (val) {
2243 hci_cp.le = val;
ffa88e02 2244 hci_cp.simul = lmp_le_br_capable(hdev);
441ad2d0 2245 } else {
73e082f8 2246 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
441ad2d0 2247 disable_advertising(&req);
06199cf8
JH		 2248 }
2249
416a4ae5
JH		 2250 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2251 &hci_cp);
2252
2253 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2254 if (err < 0)
06199cf8 2255 mgmt_pending_remove(cmd);
06199cf8 2256
1de028ce
JH		 2257unlock:
2258 hci_dev_unlock(hdev);
06199cf8
JH		 2259 return err;
2260}
2261
0cab9c80
JH		 2262/* This is a helper function to test for pending mgmt commands that can
2263 * cause CoD or EIR HCI commands. We can only allow one such pending
2264 * mgmt command at a time since otherwise we cannot easily track what
2265 * the current values are, will be, and based on that calculate if a new
2266 * HCI command needs to be sent and if yes with what value.
2267 */
2268static bool pending_eir_or_class(struct hci_dev *hdev)
2269{
2270 struct pending_cmd *cmd;
2271
2272 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2273 switch (cmd->opcode) {
2274 case MGMT_OP_ADD_UUID:
2275 case MGMT_OP_REMOVE_UUID:
2276 case MGMT_OP_SET_DEV_CLASS:
2277 case MGMT_OP_SET_POWERED:
2278 return true;
2279 }
2280 }
2281
2282 return false;
2283}
2284
83be8eca
JH		 2285static const u8 bluetooth_base_uuid[] = {
2286 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2287 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2288};
2289
2290static u8 get_uuid_size(const u8 *uuid)
2291{
2292 u32 val;
2293
2294 if (memcmp(uuid, bluetooth_base_uuid, 12))
2295 return 128;
2296
2297 val = get_unaligned_le32(&uuid[12]);
2298 if (val > 0xffff)
2299 return 32;
2300
2301 return 16;
2302}
2303
92da6097
JH		 2304static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2305{
2306 struct pending_cmd *cmd;
2307
2308 hci_dev_lock(hdev);
2309
2310 cmd = mgmt_pending_find(mgmt_op, hdev);
2311 if (!cmd)
2312 goto unlock;
2313
2314 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
2315 hdev->dev_class, 3);
2316
2317 mgmt_pending_remove(cmd);
2318
2319unlock:
2320 hci_dev_unlock(hdev);
2321}
2322
2323static void add_uuid_complete(struct hci_dev *hdev, u8 status)
2324{
2325 BT_DBG("status 0x%02x", status);
2326
2327 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2328}
2329
bdb6d971 2330static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2331{
650f726d 2332 struct mgmt_cp_add_uuid *cp = data;
90e70454 2333 struct pending_cmd *cmd;
890ea898 2334 struct hci_request req;
2aeb9a1a 2335 struct bt_uuid *uuid;
2aeb9a1a
JH		 2336 int err;
2337
bdb6d971 2338 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2339
09fd0de5 2340 hci_dev_lock(hdev);
2aeb9a1a 2341
0cab9c80 2342 if (pending_eir_or_class(hdev)) {
bdb6d971 2343 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
04124681 2344 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2345 goto failed;
2346 }
2347
92c4c204 2348 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2349 if (!uuid) {
2350 err = -ENOMEM;
2351 goto failed;
2352 }
2353
2354 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2355 uuid->svc_hint = cp->svc_hint;
83be8eca 2356 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2357
de66aa63 2358 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2359
890ea898 2360 hci_req_init(&req, hdev);
1aff6f09 2361
890ea898
JH		 2362 update_class(&req);
2363 update_eir(&req);
2364
92da6097
JH		 2365 err = hci_req_run(&req, add_uuid_complete);
2366 if (err < 0) {
2367 if (err != -ENODATA)
2368 goto failed;
80a1e1db 2369
bdb6d971 2370 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
04124681 2371 hdev->dev_class, 3);
90e70454
JH		 2372 goto failed;
2373 }
2374
2375 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2376 if (!cmd) {
90e70454 2377 err = -ENOMEM;
890ea898
JH		 2378 goto failed;
2379 }
2380
2381 err = 0;
2aeb9a1a
JH		 2382
2383failed:
09fd0de5 2384 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2385 return err;
2386}
2387
24b78d0f
JH		 2388static bool enable_service_cache(struct hci_dev *hdev)
2389{
2390 if (!hdev_is_powered(hdev))
2391 return false;
2392
2393 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
46818ed5
JH		 2394 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2395 CACHE_TIMEOUT);
24b78d0f
JH		 2396 return true;
2397 }
2398
2399 return false;
2400}
2401
92da6097
JH		 2402static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
2403{
2404 BT_DBG("status 0x%02x", status);
2405
2406 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2407}
2408
bdb6d971 2409static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2410 u16 len)
2aeb9a1a 2411{
650f726d 2412 struct mgmt_cp_remove_uuid *cp = data;
90e70454 2413 struct pending_cmd *cmd;
056341c8 2414 struct bt_uuid *match, *tmp;
2aeb9a1a 2415 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2416 struct hci_request req;
2aeb9a1a
JH		 2417 int err, found;
2418
bdb6d971 2419 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2420
09fd0de5 2421 hci_dev_lock(hdev);
2aeb9a1a 2422
0cab9c80 2423 if (pending_eir_or_class(hdev)) {
bdb6d971 2424 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2425 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2426 goto unlock;
2427 }
2428
2aeb9a1a 2429 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2430 hci_uuids_clear(hdev);
4004b6d9 2431
24b78d0f 2432 if (enable_service_cache(hdev)) {
bdb6d971 2433 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2434 0, hdev->dev_class, 3);
24b78d0f
JH		 2435 goto unlock;
2436 }
4004b6d9 2437
9246a869 2438 goto update_class;
2aeb9a1a
JH		 2439 }
2440
2441 found = 0;
2442
056341c8 2443 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2444 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2445 continue;
2446
2447 list_del(&match->list);
482049f7 2448 kfree(match);
2aeb9a1a
JH		 2449 found++;
2450 }
2451
2452 if (found == 0) {
bdb6d971 2453 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2454 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2455 goto unlock;
2456 }
2457
9246a869 2458update_class:
890ea898 2459 hci_req_init(&req, hdev);
1aff6f09 2460
890ea898
JH		 2461 update_class(&req);
2462 update_eir(&req);
2463
92da6097
JH		 2464 err = hci_req_run(&req, remove_uuid_complete);
2465 if (err < 0) {
2466 if (err != -ENODATA)
2467 goto unlock;
80a1e1db 2468
bdb6d971 2469 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
04124681 2470 hdev->dev_class, 3);
90e70454
JH		 2471 goto unlock;
2472 }
2473
2474 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2475 if (!cmd) {
90e70454 2476 err = -ENOMEM;
890ea898
JH		 2477 goto unlock;
2478 }
2479
2480 err = 0;
2aeb9a1a
JH		 2481
2482unlock:
09fd0de5 2483 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2484 return err;
2485}
2486
92da6097
JH		 2487static void set_class_complete(struct hci_dev *hdev, u8 status)
2488{
2489 BT_DBG("status 0x%02x", status);
2490
2491 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2492}
2493
bdb6d971 2494static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2495 u16 len)
1aff6f09 2496{
650f726d 2497 struct mgmt_cp_set_dev_class *cp = data;
90e70454 2498 struct pending_cmd *cmd;
890ea898 2499 struct hci_request req;
1aff6f09
JH		 2500 int err;
2501
bdb6d971 2502 BT_DBG("request for %s", hdev->name);
1aff6f09 2503
6203fc98 2504 if (!lmp_bredr_capable(hdev))
13ecd8b6
JH		 2505 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2506 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2507
0cab9c80 2508 hci_dev_lock(hdev);
ee98f473 2509
0cab9c80
JH		 2510 if (pending_eir_or_class(hdev)) {
2511 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2512 MGMT_STATUS_BUSY);
2513 goto unlock;
2514 }
c95f0ba7 2515
0cab9c80
JH		 2516 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2517 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2518 MGMT_STATUS_INVALID_PARAMS);
2519 goto unlock;
2520 }
575b3a02 2521
932f5ff5
JH		 2522 hdev->major_class = cp->major;
2523 hdev->minor_class = cp->minor;
2524
b5235a65 2525 if (!hdev_is_powered(hdev)) {
bdb6d971 2526 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2527 hdev->dev_class, 3);
b5235a65
JH		 2528 goto unlock;
2529 }
2530
890ea898
JH		 2531 hci_req_init(&req, hdev);
2532
a8b2d5c2 2533 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
7d78525d
JH		 2534 hci_dev_unlock(hdev);
2535 cancel_delayed_work_sync(&hdev->service_cache);
2536 hci_dev_lock(hdev);
890ea898 2537 update_eir(&req);
7d78525d 2538 }
14c0b608 2539
890ea898
JH		 2540 update_class(&req);
2541
92da6097
JH		 2542 err = hci_req_run(&req, set_class_complete);
2543 if (err < 0) {
2544 if (err != -ENODATA)
2545 goto unlock;
1aff6f09 2546
bdb6d971 2547 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2548 hdev->dev_class, 3);
90e70454
JH		 2549 goto unlock;
2550 }
2551
2552 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2553 if (!cmd) {
90e70454 2554 err = -ENOMEM;
890ea898
JH		 2555 goto unlock;
2556 }
2557
2558 err = 0;
1aff6f09 2559
b5235a65 2560unlock:
09fd0de5 2561 hci_dev_unlock(hdev);
1aff6f09
JH		 2562 return err;
2563}
2564
bdb6d971 2565static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2566 u16 len)
55ed8ca1 2567{
650f726d 2568 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2569 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2570 sizeof(struct mgmt_link_key_info));
4e51eae9 2571 u16 key_count, expected_len;
b1de97d8 2572 bool changed;
a492cd52 2573 int i;
55ed8ca1 2574
9060d5cf
MH		 2575 BT_DBG("request for %s", hdev->name);
2576
2577 if (!lmp_bredr_capable(hdev))
2578 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2579 MGMT_STATUS_NOT_SUPPORTED);
2580
1f350c87 2581 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2582 if (key_count > max_key_count) {
2583 BT_ERR("load_link_keys: too big key_count value %u",
2584 key_count);
2585 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2586 MGMT_STATUS_INVALID_PARAMS);
2587 }
55ed8ca1 2588
86742e1e
JH		 2589 expected_len = sizeof(*cp) + key_count *
2590 sizeof(struct mgmt_link_key_info);
a492cd52 2591 if (expected_len != len) {
86742e1e 2592 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2593 expected_len, len);
bdb6d971 2594 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
04124681 2595 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2596 }
2597
4ae14301
JH		 2598 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2599 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2600 MGMT_STATUS_INVALID_PARAMS);
2601
bdb6d971 2602 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2603 key_count);
55ed8ca1 2604
4ee71b20
JH		 2605 for (i = 0; i < key_count; i++) {
2606 struct mgmt_link_key_info *key = &cp->keys[i];
2607
8e991132 2608 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
4ee71b20
JH		 2609 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2610 MGMT_STATUS_INVALID_PARAMS);
2611 }
2612
09fd0de5 2613 hci_dev_lock(hdev);
55ed8ca1
JH		 2614
2615 hci_link_keys_clear(hdev);
2616
55ed8ca1 2617 if (cp->debug_keys)
0663b297
JH		 2618 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
2619 &hdev->dev_flags);
55ed8ca1 2620 else
0663b297
JH		 2621 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
2622 &hdev->dev_flags);
b1de97d8
MH		 2623
2624 if (changed)
2625 new_settings(hdev, NULL);
55ed8ca1 2626
a492cd52 2627 for (i = 0; i < key_count; i++) {
86742e1e 2628 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2629
58e9293c
JH		 2630 /* Always ignore debug keys and require a new pairing if
2631 * the user wants to use them.
2632 */
2633 if (key->type == HCI_LK_DEBUG_COMBINATION)
2634 continue;
2635
7652ff6a
JH		 2636 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2637 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2638 }
2639
bdb6d971 2640 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2641
09fd0de5 2642 hci_dev_unlock(hdev);
55ed8ca1 2643
a492cd52 2644 return 0;
55ed8ca1
JH		 2645}
2646
b1078ad0 2647static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2648 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2649{
2650 struct mgmt_ev_device_unpaired ev;
2651
2652 bacpy(&ev.addr.bdaddr, bdaddr);
2653 ev.addr.type = addr_type;
2654
2655 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2656 skip_sk);
b1078ad0
JH		 2657}
2658
bdb6d971 2659static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2660 u16 len)
55ed8ca1 2661{
124f6e35
JH		 2662 struct mgmt_cp_unpair_device *cp = data;
2663 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 2664 struct hci_cp_disconnect dc;
2665 struct pending_cmd *cmd;
55ed8ca1 2666 struct hci_conn *conn;
55ed8ca1
JH		 2667 int err;
2668
a8a1d19e 2669 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2670 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2671 rp.addr.type = cp->addr.type;
a8a1d19e 2672
4ee71b20
JH		 2673 if (!bdaddr_type_is_valid(cp->addr.type))
2674 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2675 MGMT_STATUS_INVALID_PARAMS,
2676 &rp, sizeof(rp));
2677
118da70b
JH		 2678 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2679 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2680 MGMT_STATUS_INVALID_PARAMS,
2681 &rp, sizeof(rp));
2682
4ee71b20
JH		 2683 hci_dev_lock(hdev);
2684
86a8cfc6 2685 if (!hdev_is_powered(hdev)) {
bdb6d971 2686 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2687 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
86a8cfc6
JH		 2688 goto unlock;
2689 }
2690
e0b2b27e 2691 if (cp->addr.type == BDADDR_BREDR) {
124f6e35 2692 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 2693 } else {
2694 u8 addr_type;
2695
2696 if (cp->addr.type == BDADDR_LE_PUBLIC)
2697 addr_type = ADDR_LE_DEV_PUBLIC;
2698 else
2699 addr_type = ADDR_LE_DEV_RANDOM;
2700
a7ec7338
JH		 2701 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2702
a9b0a04c
AG		 2703 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2704
e0b2b27e
JH		 2705 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2706 }
b0dbfb46 2707
55ed8ca1 2708 if (err < 0) {
bdb6d971 2709 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2710 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH		 2711 goto unlock;
2712 }
2713
86a8cfc6 2714 if (cp->disconnect) {
591f47f3 2715 if (cp->addr.type == BDADDR_BREDR)
86a8cfc6 2716 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
8ce8e2b5 2717 &cp->addr.bdaddr);
86a8cfc6
JH		 2718 else
2719 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
8ce8e2b5 2720 &cp->addr.bdaddr);
86a8cfc6
JH		 2721 } else {
2722 conn = NULL;
2723 }
124f6e35 2724
a8a1d19e 2725 if (!conn) {
bdb6d971 2726 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 2727 &rp, sizeof(rp));
b1078ad0 2728 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2729 goto unlock;
2730 }
55ed8ca1 2731
124f6e35 2732 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2733 sizeof(*cp));
a8a1d19e
JH		 2734 if (!cmd) {
2735 err = -ENOMEM;
2736 goto unlock;
55ed8ca1
JH		 2737 }
2738
eb55ef07 2739 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 2740 dc.reason = 0x13; /* Remote User Terminated Connection */
2741 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2742 if (err < 0)
2743 mgmt_pending_remove(cmd);
2744
55ed8ca1 2745unlock:
09fd0de5 2746 hci_dev_unlock(hdev);
55ed8ca1
JH		 2747 return err;
2748}
2749
bdb6d971 2750static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2751 u16 len)
8962ee74 2752{
650f726d 2753 struct mgmt_cp_disconnect *cp = data;
06a63b19 2754 struct mgmt_rp_disconnect rp;
8962ee74 2755 struct hci_cp_disconnect dc;
366a0336 2756 struct pending_cmd *cmd;
8962ee74 2757 struct hci_conn *conn;
8962ee74
JH		 2758 int err;
2759
2760 BT_DBG("");
2761
06a63b19
JH		 2762 memset(&rp, 0, sizeof(rp));
2763 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2764 rp.addr.type = cp->addr.type;
2765
4ee71b20 2766 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH		 2767 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2768 MGMT_STATUS_INVALID_PARAMS,
2769 &rp, sizeof(rp));
4ee71b20 2770
09fd0de5 2771 hci_dev_lock(hdev);
8962ee74
JH		 2772
2773 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH		 2774 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2775 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH		 2776 goto failed;
2777 }
2778
2e58ef3e 2779 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH		 2780 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2781 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2782 goto failed;
2783 }
2784
591f47f3 2785 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2786 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2787 &cp->addr.bdaddr);
88c3df13
JH		 2788 else
2789 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 2790
f960727e 2791 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH		 2792 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2793 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH		 2794 goto failed;
2795 }
2796
2e58ef3e 2797 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2798 if (!cmd) {
2799 err = -ENOMEM;
8962ee74 2800 goto failed;
366a0336 2801 }
8962ee74 2802
eb55ef07 2803 dc.handle = cpu_to_le16(conn->handle);
3701f944 2804 dc.reason = HCI_ERROR_REMOTE_USER_TERM;
8962ee74
JH		 2805
2806 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2807 if (err < 0)
a664b5bc 2808 mgmt_pending_remove(cmd);
8962ee74
JH		 2809
2810failed:
09fd0de5 2811 hci_dev_unlock(hdev);
8962ee74
JH		 2812 return err;
2813}
2814
57c1477c 2815static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2816{
2817 switch (link_type) {
2818 case LE_LINK:
48264f06
JH		 2819 switch (addr_type) {
2820 case ADDR_LE_DEV_PUBLIC:
591f47f3 2821 return BDADDR_LE_PUBLIC;
0ed09148 2822
48264f06 2823 default:
0ed09148 2824 /* Fallback to LE Random address type */
591f47f3 2825 return BDADDR_LE_RANDOM;
48264f06 2826 }
0ed09148 2827
4c659c39 2828 default:
0ed09148 2829 /* Fallback to BR/EDR type */
591f47f3 2830 return BDADDR_BREDR;
4c659c39
JH		 2831 }
2832}
2833
04124681
GP		 2834static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2835 u16 data_len)
2784eb41 2836{
2784eb41 2837 struct mgmt_rp_get_connections *rp;
8035ded4 2838 struct hci_conn *c;
a38528f1 2839 size_t rp_len;
60fc5fb6
JH		 2840 int err;
2841 u16 i;
2784eb41
JH		 2842
2843 BT_DBG("");
2844
09fd0de5 2845 hci_dev_lock(hdev);
2784eb41 2846
5f97c1df 2847 if (!hdev_is_powered(hdev)) {
bdb6d971 2848 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 2849 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2850 goto unlock;
2851 }
2852
60fc5fb6 2853 i = 0;
b644ba33
JH		 2854 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2855 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2856 i++;
2784eb41
JH		 2857 }
2858
60fc5fb6 2859 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2860 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2861 if (!rp) {
2784eb41
JH		 2862 err = -ENOMEM;
2863 goto unlock;
2864 }
2865
2784eb41 2866 i = 0;
4c659c39 2867 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2868 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2869 continue;
4c659c39 2870 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2871 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2872 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2873 continue;
2874 i++;
2875 }
2876
eb55ef07 2877 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2878
4c659c39
JH		 2879 /* Recalculate length in case of filtered SCO connections, etc */
2880 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2881
bdb6d971 2882 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 2883 rp_len);
2784eb41 2884
a38528f1 2885 kfree(rp);
5f97c1df
JH		 2886
2887unlock:
09fd0de5 2888 hci_dev_unlock(hdev);
2784eb41
JH		 2889 return err;
2890}
2891
bdb6d971 2892static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2893 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR		 2894{
2895 struct pending_cmd *cmd;
2896 int err;
2897
2e58ef3e 2898 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2899 sizeof(*cp));
96d97a67
WR		 2900 if (!cmd)
2901 return -ENOMEM;
2902
d8457698 2903 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2904 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2905 if (err < 0)
2906 mgmt_pending_remove(cmd);
2907
2908 return err;
2909}
2910
bdb6d971 2911static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2912 u16 len)
980e1a53 2913{
96d97a67 2914 struct hci_conn *conn;
650f726d 2915 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2916 struct hci_cp_pin_code_reply reply;
366a0336 2917 struct pending_cmd *cmd;
980e1a53
JH		 2918 int err;
2919
2920 BT_DBG("");
2921
09fd0de5 2922 hci_dev_lock(hdev);
980e1a53 2923
4b34ee78 2924 if (!hdev_is_powered(hdev)) {
bdb6d971 2925 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2926 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2927 goto failed;
2928 }
2929
d8457698 2930 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2931 if (!conn) {
bdb6d971 2932 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2933 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2934 goto failed;
2935 }
2936
2937 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2938 struct mgmt_cp_pin_code_neg_reply ncp;
2939
2940 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2941
2942 BT_ERR("PIN code is not 16 bytes long");
2943
bdb6d971 2944 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2945 if (err >= 0)
bdb6d971 2946 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2947 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 2948
2949 goto failed;
2950 }
2951
00abfe44 2952 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 2953 if (!cmd) {
2954 err = -ENOMEM;
980e1a53 2955 goto failed;
366a0336 2956 }
980e1a53 2957
d8457698 2958 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2959 reply.pin_len = cp->pin_len;
24718ca5 2960 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 2961
2962 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2963 if (err < 0)
a664b5bc 2964 mgmt_pending_remove(cmd);
980e1a53
JH		 2965
2966failed:
09fd0de5 2967 hci_dev_unlock(hdev);
980e1a53
JH		 2968 return err;
2969}
2970
04124681
GP		 2971static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
2972 u16 len)
17fa4b9d 2973{
650f726d 2974 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 2975
2976 BT_DBG("");
2977
4ec86d4c
JH		 2978 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2979 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
2980 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
2981
09fd0de5 2982 hci_dev_lock(hdev);
17fa4b9d
JH		 2983
2984 hdev->io_capability = cp->io_capability;
2985
2986 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 2987 hdev->io_capability);
17fa4b9d 2988
09fd0de5 2989 hci_dev_unlock(hdev);
17fa4b9d 2990
04124681
GP		 2991 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
2992 0);
17fa4b9d
JH		 2993}
2994
6039aa73 2995static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 2996{
2997 struct hci_dev *hdev = conn->hdev;
8035ded4 2998 struct pending_cmd *cmd;
e9a416b5 2999
2e58ef3e 3000 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3001 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3002 continue;
3003
e9a416b5
JH		 3004 if (cmd->user_data != conn)
3005 continue;
3006
3007 return cmd;
3008 }
3009
3010 return NULL;
3011}
3012
3013static void pairing_complete(struct pending_cmd *cmd, u8 status)
3014{
3015 struct mgmt_rp_pair_device rp;
3016 struct hci_conn *conn = cmd->user_data;
3017
61b1a7fb
JH		 3018 bacpy(&rp.addr.bdaddr, &conn->dst);
3019 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3020
aee9b218 3021 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 3022 &rp, sizeof(rp));
e9a416b5
JH		 3023
3024 /* So we don't get further callbacks for this connection */
3025 conn->connect_cfm_cb = NULL;
3026 conn->security_cfm_cb = NULL;
3027 conn->disconn_cfm_cb = NULL;
3028
76a68ba0 3029 hci_conn_drop(conn);
e9a416b5 3030
a664b5bc 3031 mgmt_pending_remove(cmd);
e9a416b5
JH		 3032}
3033
f4a407be
JH		 3034void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3035{
3036 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3037 struct pending_cmd *cmd;
3038
3039 cmd = find_pairing(conn);
3040 if (cmd)
3041 pairing_complete(cmd, status);
3042}
3043
e9a416b5
JH		 3044static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3045{
3046 struct pending_cmd *cmd;
3047
3048 BT_DBG("status %u", status);
3049
3050 cmd = find_pairing(conn);
56e5cb86 3051 if (!cmd)
e9a416b5 3052 BT_DBG("Unable to find a pending command");
56e5cb86 3053 else
e211326c 3054 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH		 3055}
3056
f4a407be 3057static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739
VA		 3058{
3059 struct pending_cmd *cmd;
3060
3061 BT_DBG("status %u", status);
3062
3063 if (!status)
3064 return;
3065
3066 cmd = find_pairing(conn);
3067 if (!cmd)
3068 BT_DBG("Unable to find a pending command");
3069 else
3070 pairing_complete(cmd, mgmt_status(status));
3071}
3072
bdb6d971 3073static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3074 u16 len)
e9a416b5 3075{
650f726d 3076 struct mgmt_cp_pair_device *cp = data;
1425acb7 3077 struct mgmt_rp_pair_device rp;
e9a416b5
JH		 3078 struct pending_cmd *cmd;
3079 u8 sec_level, auth_type;
3080 struct hci_conn *conn;
e9a416b5
JH		 3081 int err;
3082
3083 BT_DBG("");
3084
f950a30e
SJ		 3085 memset(&rp, 0, sizeof(rp));
3086 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3087 rp.addr.type = cp->addr.type;
3088
4ee71b20
JH		 3089 if (!bdaddr_type_is_valid(cp->addr.type))
3090 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3091 MGMT_STATUS_INVALID_PARAMS,
3092 &rp, sizeof(rp));
3093
4ec86d4c
JH		 3094 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
3095 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3096 MGMT_STATUS_INVALID_PARAMS,
3097 &rp, sizeof(rp));
3098
09fd0de5 3099 hci_dev_lock(hdev);
e9a416b5 3100
5f97c1df 3101 if (!hdev_is_powered(hdev)) {
f950a30e
SJ		 3102 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3103 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH		 3104 goto unlock;
3105 }
3106
c908df36 3107 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3108 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3109
6f77d8c7 3110 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3111 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3112 auth_type);
6f77d8c7
AG		 3113 } else {
3114 u8 addr_type;
3115
3116 /* Convert from L2CAP channel address type to HCI address type
3117 */
3118 if (cp->addr.type == BDADDR_LE_PUBLIC)
3119 addr_type = ADDR_LE_DEV_PUBLIC;
3120 else
3121 addr_type = ADDR_LE_DEV_RANDOM;
3122
7c264b10
MH		 3123 /* When pairing a new device, it is expected to remember
3124 * this device for future connections. Adding the connection
3125 * parameter information ahead of time allows tracking
3126 * of the slave preferred values and will speed up any
3127 * further connection establishment.
3128 *
3129 * If connection parameters already exist, then they
3130 * will be kept and this function does nothing.
3131 */
3132 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3133
cdd6275e 3134 /* Request a connection with master = true role */
6f77d8c7 3135 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
cdd6275e 3136 sec_level, HCI_LE_CONN_TIMEOUT, true);
6f77d8c7 3137 }
7a512d01 3138
30e76272 3139 if (IS_ERR(conn)) {
489dc48e
AK		 3140 int status;
3141
3142 if (PTR_ERR(conn) == -EBUSY)
3143 status = MGMT_STATUS_BUSY;
3144 else
3145 status = MGMT_STATUS_CONNECT_FAILED;
3146
bdb6d971 3147 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 3148 status, &rp,
04124681 3149 sizeof(rp));
e9a416b5
JH		 3150 goto unlock;
3151 }
3152
3153 if (conn->connect_cfm_cb) {
76a68ba0 3154 hci_conn_drop(conn);
bdb6d971 3155 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 3156 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3157 goto unlock;
3158 }
3159
2e58ef3e 3160 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3161 if (!cmd) {
3162 err = -ENOMEM;
76a68ba0 3163 hci_conn_drop(conn);
e9a416b5
JH		 3164 goto unlock;
3165 }
3166
7a512d01 3167 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3168 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3169 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3170 conn->security_cfm_cb = pairing_complete_cb;
3171 conn->disconn_cfm_cb = pairing_complete_cb;
3172 } else {
3173 conn->connect_cfm_cb = le_pairing_complete_cb;
3174 conn->security_cfm_cb = le_pairing_complete_cb;
3175 conn->disconn_cfm_cb = le_pairing_complete_cb;
3176 }
7a512d01 3177
e9a416b5
JH		 3178 conn->io_capability = cp->io_cap;
3179 cmd->user_data = conn;
3180
3181 if (conn->state == BT_CONNECTED &&
8ce8e2b5 3182 hci_conn_security(conn, sec_level, auth_type))
e9a416b5
JH		 3183 pairing_complete(cmd, 0);
3184
3185 err = 0;
3186
3187unlock:
09fd0de5 3188 hci_dev_unlock(hdev);
e9a416b5
JH		 3189 return err;
3190}
3191
04124681
GP		 3192static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3193 u16 len)
28424707 3194{
0f4e68cf 3195 struct mgmt_addr_info *addr = data;
28424707
JH		 3196 struct pending_cmd *cmd;
3197 struct hci_conn *conn;
3198 int err;
3199
3200 BT_DBG("");
3201
28424707
JH		 3202 hci_dev_lock(hdev);
3203
5f97c1df 3204 if (!hdev_is_powered(hdev)) {
bdb6d971 3205 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3206 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3207 goto unlock;
3208 }
3209
28424707
JH		 3210 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3211 if (!cmd) {
bdb6d971 3212 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3213 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3214 goto unlock;
3215 }
3216
3217 conn = cmd->user_data;
3218
3219 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 3220 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3221 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3222 goto unlock;
3223 }
3224
3225 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
3226
bdb6d971 3227 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 3228 addr, sizeof(*addr));
28424707
JH		 3229unlock:
3230 hci_dev_unlock(hdev);
28424707
JH		 3231 return err;
3232}
3233
bdb6d971 3234static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3235 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3236 u16 hci_op, __le32 passkey)
a5c29683 3237{
a5c29683 3238 struct pending_cmd *cmd;
0df4c185 3239 struct hci_conn *conn;
a5c29683
JH		 3240 int err;
3241
09fd0de5 3242 hci_dev_lock(hdev);
08ba5382 3243
4b34ee78 3244 if (!hdev_is_powered(hdev)) {
feb94d3d
JH		 3245 err = cmd_complete(sk, hdev->id, mgmt_op,
3246 MGMT_STATUS_NOT_POWERED, addr,
3247 sizeof(*addr));
0df4c185 3248 goto done;
a5c29683
JH		 3249 }
3250
1707c60e
JH		 3251 if (addr->type == BDADDR_BREDR)
3252 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3253 else
1707c60e 3254 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3255
3256 if (!conn) {
feb94d3d
JH		 3257 err = cmd_complete(sk, hdev->id, mgmt_op,
3258 MGMT_STATUS_NOT_CONNECTED, addr,
3259 sizeof(*addr));
272d90df
JH		 3260 goto done;
3261 }
47c15e2b 3262
1707c60e 3263 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3264 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3265 if (!err)
feb94d3d
JH		 3266 err = cmd_complete(sk, hdev->id, mgmt_op,
3267 MGMT_STATUS_SUCCESS, addr,
3268 sizeof(*addr));
5fe57d9e 3269 else
feb94d3d
JH		 3270 err = cmd_complete(sk, hdev->id, mgmt_op,
3271 MGMT_STATUS_FAILED, addr,
3272 sizeof(*addr));
47c15e2b 3273
47c15e2b
BG		 3274 goto done;
3275 }
3276
1707c60e 3277 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3278 if (!cmd) {
3279 err = -ENOMEM;
0df4c185 3280 goto done;
a5c29683
JH		 3281 }
3282
0df4c185 3283 /* Continue with pairing via HCI */
604086b7
BG		 3284 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3285 struct hci_cp_user_passkey_reply cp;
3286
1707c60e 3287 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3288 cp.passkey = passkey;
3289 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3290 } else
1707c60e
JH		 3291 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3292 &addr->bdaddr);
604086b7 3293
a664b5bc
JH		 3294 if (err < 0)
3295 mgmt_pending_remove(cmd);
a5c29683 3296
0df4c185 3297done:
09fd0de5 3298 hci_dev_unlock(hdev);
a5c29683
JH		 3299 return err;
3300}
3301
afeb019d
JK		 3302static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3303 void *data, u16 len)
3304{
3305 struct mgmt_cp_pin_code_neg_reply *cp = data;
3306
3307 BT_DBG("");
3308
1707c60e 3309 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3310 MGMT_OP_PIN_CODE_NEG_REPLY,
3311 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3312}
3313
04124681
GP		 3314static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3315 u16 len)
0df4c185 3316{
650f726d 3317 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3318
3319 BT_DBG("");
3320
3321 if (len != sizeof(*cp))
bdb6d971 3322 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 3323 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3324
1707c60e 3325 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3326 MGMT_OP_USER_CONFIRM_REPLY,
3327 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3328}
3329
bdb6d971 3330static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3331 void *data, u16 len)
0df4c185 3332{
c9c2659f 3333 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3334
3335 BT_DBG("");
3336
1707c60e 3337 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3338 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3339 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3340}
3341
04124681
GP		 3342static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3343 u16 len)
604086b7 3344{
650f726d 3345 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3346
3347 BT_DBG("");
3348
1707c60e 3349 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3350 MGMT_OP_USER_PASSKEY_REPLY,
3351 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3352}
3353
bdb6d971 3354static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3355 void *data, u16 len)
604086b7 3356{
650f726d 3357 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3358
3359 BT_DBG("");
3360
1707c60e 3361 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3362 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3363 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3364}
3365
13928971 3366static void update_name(struct hci_request *req)
2b4bf397 3367{
13928971 3368 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3369 struct hci_cp_write_local_name cp;
3370
13928971 3371 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3372
890ea898 3373 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3374}
3375
13928971
JH		 3376static void set_name_complete(struct hci_dev *hdev, u8 status)
3377{
3378 struct mgmt_cp_set_local_name *cp;
3379 struct pending_cmd *cmd;
3380
3381 BT_DBG("status 0x%02x", status);
3382
3383 hci_dev_lock(hdev);
3384
3385 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3386 if (!cmd)
3387 goto unlock;
3388
3389 cp = cmd->param;
3390
3391 if (status)
3392 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3393 mgmt_status(status));
3394 else
3395 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3396 cp, sizeof(*cp));
3397
3398 mgmt_pending_remove(cmd);
3399
3400unlock:
3401 hci_dev_unlock(hdev);
3402}
3403
bdb6d971 3404static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3405 u16 len)
b312b161 3406{
2b4bf397 3407 struct mgmt_cp_set_local_name *cp = data;
b312b161 3408 struct pending_cmd *cmd;
890ea898 3409 struct hci_request req;
b312b161
JH		 3410 int err;
3411
3412 BT_DBG("");
3413
09fd0de5 3414 hci_dev_lock(hdev);
b312b161 3415
b3f2ca94
JH		 3416 /* If the old values are the same as the new ones just return a
3417 * direct command complete event.
3418 */
3419 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3420 !memcmp(hdev->short_name, cp->short_name,
3421 sizeof(hdev->short_name))) {
3422 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3423 data, len);
3424 goto failed;
3425 }
3426
2b4bf397 3427 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3428
b5235a65 3429 if (!hdev_is_powered(hdev)) {
2b4bf397 3430 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH		 3431
3432 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 3433 data, len);
28cc7bde
JH		 3434 if (err < 0)
3435 goto failed;
3436
3437 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 3438 sk);
28cc7bde 3439
b5235a65
JH		 3440 goto failed;
3441 }
3442
28cc7bde 3443 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3444 if (!cmd) {
3445 err = -ENOMEM;
3446 goto failed;
3447 }
3448
13928971
JH		 3449 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3450
890ea898 3451 hci_req_init(&req, hdev);
3f985050
JH		 3452
3453 if (lmp_bredr_capable(hdev)) {
3454 update_name(&req);
3455 update_eir(&req);
3456 }
3457
7a5f4990
MH		 3458 /* The name is stored in the scan response data and so
3459 * no need to udpate the advertising data here.
3460 */
3f985050 3461 if (lmp_le_capable(hdev))
7a5f4990 3462 update_scan_rsp_data(&req);
3f985050 3463
13928971 3464 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3465 if (err < 0)
3466 mgmt_pending_remove(cmd);
3467
3468failed:
09fd0de5 3469 hci_dev_unlock(hdev);
b312b161
JH		 3470 return err;
3471}
3472
0f4e68cf 3473static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3474 void *data, u16 data_len)
c35938b2 3475{
c35938b2
SJ		 3476 struct pending_cmd *cmd;
3477 int err;
3478
bdb6d971 3479 BT_DBG("%s", hdev->name);
c35938b2 3480
09fd0de5 3481 hci_dev_lock(hdev);
c35938b2 3482
4b34ee78 3483 if (!hdev_is_powered(hdev)) {
bdb6d971 3484 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3485 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3486 goto unlock;
3487 }
3488
9a1a1996 3489 if (!lmp_ssp_capable(hdev)) {
bdb6d971 3490 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3491 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3492 goto unlock;
3493 }
3494
2e58ef3e 3495 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 3496 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3497 MGMT_STATUS_BUSY);
c35938b2
SJ		 3498 goto unlock;
3499 }
3500
2e58ef3e 3501 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3502 if (!cmd) {
3503 err = -ENOMEM;
3504 goto unlock;
3505 }
3506
4d2d2796
MH		 3507 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
3508 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
3509 0, NULL);
3510 else
3511 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3512
c35938b2
SJ		 3513 if (err < 0)
3514 mgmt_pending_remove(cmd);
3515
3516unlock:
09fd0de5 3517 hci_dev_unlock(hdev);
c35938b2
SJ		 3518 return err;
3519}
3520
bdb6d971 3521static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3522 void *data, u16 len)
2763eda6 3523{
2763eda6
SJ		 3524 int err;
3525
bdb6d971 3526 BT_DBG("%s ", hdev->name);
2763eda6 3527
09fd0de5 3528 hci_dev_lock(hdev);
2763eda6 3529
ec109113
MH		 3530 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3531 struct mgmt_cp_add_remote_oob_data *cp = data;
3532 u8 status;
bf1e3541 3533
ec109113
MH		 3534 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
3535 cp->hash, cp->randomizer);
3536 if (err < 0)
3537 status = MGMT_STATUS_FAILED;
3538 else
3539 status = MGMT_STATUS_SUCCESS;
3540
3541 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3542 status, &cp->addr, sizeof(cp->addr));
3543 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3544 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
3545 u8 status;
3546
3547 err = hci_add_remote_oob_ext_data(hdev, &cp->addr.bdaddr,
3548 cp->hash192,
3549 cp->randomizer192,
3550 cp->hash256,
3551 cp->randomizer256);
3552 if (err < 0)
3553 status = MGMT_STATUS_FAILED;
3554 else
3555 status = MGMT_STATUS_SUCCESS;
3556
3557 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3558 status, &cp->addr, sizeof(cp->addr));
3559 } else {
3560 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3561 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3562 MGMT_STATUS_INVALID_PARAMS);
3563 }
2763eda6 3564
09fd0de5 3565 hci_dev_unlock(hdev);
2763eda6
SJ		 3566 return err;
3567}
3568
bdb6d971 3569static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3570 void *data, u16 len)
2763eda6 3571{
650f726d 3572 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3573 u8 status;
2763eda6
SJ		 3574 int err;
3575
bdb6d971 3576 BT_DBG("%s", hdev->name);
2763eda6 3577
09fd0de5 3578 hci_dev_lock(hdev);
2763eda6 3579
664ce4cc 3580 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2763eda6 3581 if (err < 0)
bf1e3541 3582 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3583 else
a6785be2 3584 status = MGMT_STATUS_SUCCESS;
bf1e3541 3585
bdb6d971 3586 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3587 status, &cp->addr, sizeof(cp->addr));
2763eda6 3588
09fd0de5 3589 hci_dev_unlock(hdev);
2763eda6
SJ		 3590 return err;
3591}
3592
41dc2bd6
AG		 3593static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3594{
3595 struct pending_cmd *cmd;
3596 u8 type;
3597 int err;
3598
3599 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3600
3601 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3602 if (!cmd)
3603 return -ENOENT;
3604
3605 type = hdev->discovery.type;
3606
3607 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3608 &type, sizeof(type));
3609 mgmt_pending_remove(cmd);
3610
3611 return err;
3612}
3613
7c307720
AG		 3614static void start_discovery_complete(struct hci_dev *hdev, u8 status)
3615{
ae55f598
LR		 3616 unsigned long timeout = 0;
3617
7c307720
AG		 3618 BT_DBG("status %d", status);
3619
3620 if (status) {
3621 hci_dev_lock(hdev);
3622 mgmt_start_discovery_failed(hdev, status);
3623 hci_dev_unlock(hdev);
3624 return;
3625 }
3626
3627 hci_dev_lock(hdev);
3628 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
3629 hci_dev_unlock(hdev);
3630
3631 switch (hdev->discovery.type) {
3632 case DISCOV_TYPE_LE:
3d5a76f0 3633 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720
AG		 3634 break;
3635
3636 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3637 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720
AG		 3638 break;
3639
3640 case DISCOV_TYPE_BREDR:
3641 break;
3642
3643 default:
3644 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
3645 }
ae55f598
LR		 3646
3647 if (!timeout)
3648 return;
3649
3650 queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout);
7c307720
AG		 3651}
3652
bdb6d971 3653static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3654 void *data, u16 len)
14a53664 3655{
650f726d 3656 struct mgmt_cp_start_discovery *cp = data;
14a53664 3657 struct pending_cmd *cmd;
7c307720
AG		 3658 struct hci_cp_le_set_scan_param param_cp;
3659 struct hci_cp_le_set_scan_enable enable_cp;
3660 struct hci_cp_inquiry inq_cp;
3661 struct hci_request req;
3662 /* General inquiry access code (GIAC) */
3663 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3664 u8 status, own_addr_type;
14a53664
JH		 3665 int err;
3666
bdb6d971 3667 BT_DBG("%s", hdev->name);
14a53664 3668
09fd0de5 3669 hci_dev_lock(hdev);
14a53664 3670
4b34ee78 3671 if (!hdev_is_powered(hdev)) {
bdb6d971 3672 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3673 MGMT_STATUS_NOT_POWERED);
bd2d1334
JH		 3674 goto failed;
3675 }
3676
642be6c7
AG		 3677 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
3678 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3679 MGMT_STATUS_BUSY);
3680 goto failed;
3681 }
3682
ff9ef578 3683 if (hdev->discovery.state != DISCOVERY_STOPPED) {
bdb6d971 3684 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3685 MGMT_STATUS_BUSY);
ff9ef578
JH		 3686 goto failed;
3687 }
3688
2e58ef3e 3689 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3690 if (!cmd) {
3691 err = -ENOMEM;
3692 goto failed;
3693 }
3694
4aab14e5
AG		 3695 hdev->discovery.type = cp->type;
3696
7c307720
AG		 3697 hci_req_init(&req, hdev);
3698
4aab14e5 3699 switch (hdev->discovery.type) {
f39799f5 3700 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3701 status = mgmt_bredr_support(hdev);
3702 if (status) {
04106755 3703 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3704 status);
04106755
JH		 3705 mgmt_pending_remove(cmd);
3706 goto failed;
3707 }
3708
7c307720
AG		 3709 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
3710 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3711 MGMT_STATUS_BUSY);
3712 mgmt_pending_remove(cmd);
3713 goto failed;
3714 }
3715
3716 hci_inquiry_cache_flush(hdev);
3717
3718 memset(&inq_cp, 0, sizeof(inq_cp));
3719 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3720 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3721 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3722 break;
3723
3724 case DISCOV_TYPE_LE:
7c307720 3725 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3726 status = mgmt_le_support(hdev);
3727 if (status) {
04106755 3728 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3729 status);
04106755
JH		 3730 mgmt_pending_remove(cmd);
3731 goto failed;
3732 }
3733
7c307720 3734 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3735 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
04106755
JH		 3736 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3737 MGMT_STATUS_NOT_SUPPORTED);
3738 mgmt_pending_remove(cmd);
3739 goto failed;
3740 }
3741
e8bb6b97
JH		 3742 if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
3743 /* Don't let discovery abort an outgoing
3744 * connection attempt that's using directed
3745 * advertising.
3746 */
3747 if (hci_conn_hash_lookup_state(hdev, LE_LINK,
3748 BT_CONNECT)) {
3749 err = cmd_status(sk, hdev->id,
3750 MGMT_OP_START_DISCOVERY,
3751 MGMT_STATUS_REJECTED);
3752 mgmt_pending_remove(cmd);
3753 goto failed;
3754 }
3755
3756 disable_advertising(&req);
7c307720
AG		 3757 }
3758
c54c3860
AG		 3759 /* If controller is scanning, it means the background scanning
3760 * is running. Thus, we should temporarily stop it in order to
3761 * set the discovery scanning parameters.
3762 */
3763 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3764 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3765
3766 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3767
94b1fc92
MH		 3768 /* All active scans will be done with either a resolvable
3769 * private address (when privacy feature has been enabled)
3770 * or unresolvable private address.
3771 */
3772 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943
JH		 3773 if (err < 0) {
3774 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3775 MGMT_STATUS_FAILED);
3776 mgmt_pending_remove(cmd);
3777 goto failed;
3778 }
3779
7c307720 3780 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3781 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3782 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3783 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3784 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3785 &param_cp);
3786
3787 memset(&enable_cp, 0, sizeof(enable_cp));
3788 enable_cp.enable = LE_SCAN_ENABLE;
3789 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3790 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3791 &enable_cp);
5e0452c0
AG		 3792 break;
3793
f39799f5 3794 default:
04106755
JH		 3795 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3796 MGMT_STATUS_INVALID_PARAMS);
3797 mgmt_pending_remove(cmd);
3798 goto failed;
f39799f5 3799 }
3fd24153 3800
7c307720 3801 err = hci_req_run(&req, start_discovery_complete);
14a53664
JH		 3802 if (err < 0)
3803 mgmt_pending_remove(cmd);
ff9ef578
JH		 3804 else
3805 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3806
3807failed:
09fd0de5 3808 hci_dev_unlock(hdev);
14a53664
JH		 3809 return err;
3810}
3811
1183fdca
AG		 3812static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3813{
3814 struct pending_cmd *cmd;
3815 int err;
3816
3817 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3818 if (!cmd)
3819 return -ENOENT;
3820
3821 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3822 &hdev->discovery.type, sizeof(hdev->discovery.type));
3823 mgmt_pending_remove(cmd);
3824
3825 return err;
3826}
3827
0e05bba6
AG		 3828static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
3829{
3830 BT_DBG("status %d", status);
3831
3832 hci_dev_lock(hdev);
3833
3834 if (status) {
3835 mgmt_stop_discovery_failed(hdev, status);
3836 goto unlock;
3837 }
3838
3839 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3840
3841unlock:
3842 hci_dev_unlock(hdev);
3843}
3844
bdb6d971 3845static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3846 u16 len)
14a53664 3847{
d930650b 3848 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3849 struct pending_cmd *cmd;
0e05bba6 3850 struct hci_request req;
14a53664
JH		 3851 int err;
3852
bdb6d971 3853 BT_DBG("%s", hdev->name);
14a53664 3854
09fd0de5 3855 hci_dev_lock(hdev);
14a53664 3856
30dc78e1 3857 if (!hci_discovery_active(hdev)) {
bdb6d971 3858 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3859 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3860 sizeof(mgmt_cp->type));
d930650b
JH		 3861 goto unlock;
3862 }
3863
3864 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3865 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3866 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3867 sizeof(mgmt_cp->type));
30dc78e1 3868 goto unlock;
ff9ef578
JH		 3869 }
3870
2e58ef3e 3871 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3872 if (!cmd) {
3873 err = -ENOMEM;
30dc78e1
JH		 3874 goto unlock;
3875 }
3876
0e05bba6
AG		 3877 hci_req_init(&req, hdev);
3878
21a60d30 3879 hci_stop_discovery(&req);
e0d9727e 3880
21a60d30
JH		 3881 err = hci_req_run(&req, stop_discovery_complete);
3882 if (!err) {
3883 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3884 goto unlock;
14a53664
JH		 3885 }
3886
21a60d30
JH		 3887 mgmt_pending_remove(cmd);
3888
3889 /* If no HCI commands were sent we're done */
3890 if (err == -ENODATA) {
3891 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3892 &mgmt_cp->type, sizeof(mgmt_cp->type));
3893 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3894 }
14a53664 3895
30dc78e1 3896unlock:
09fd0de5 3897 hci_dev_unlock(hdev);
14a53664
JH		 3898 return err;
3899}
3900
bdb6d971 3901static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3902 u16 len)
561aafbc 3903{
650f726d 3904 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3905 struct inquiry_entry *e;
561aafbc
JH		 3906 int err;
3907
bdb6d971 3908 BT_DBG("%s", hdev->name);
561aafbc 3909
561aafbc
JH		 3910 hci_dev_lock(hdev);
3911
30dc78e1 3912 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 3913 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3914 MGMT_STATUS_FAILED, &cp->addr,
3915 sizeof(cp->addr));
30dc78e1
JH		 3916 goto failed;
3917 }
3918
a198e7b1 3919 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 3920 if (!e) {
d3a2541d
LR		 3921 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3922 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3923 sizeof(cp->addr));
561aafbc
JH		 3924 goto failed;
3925 }
3926
3927 if (cp->name_known) {
3928 e->name_state = NAME_KNOWN;
3929 list_del(&e->list);
3930 } else {
3931 e->name_state = NAME_NEEDED;
a3d4e20a 3932 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 3933 }
3934
e384662b
JH		 3935 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
3936 sizeof(cp->addr));
561aafbc
JH		 3937
3938failed:
3939 hci_dev_unlock(hdev);
561aafbc
JH		 3940 return err;
3941}
3942
bdb6d971 3943static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3944 u16 len)
7fbec224 3945{
650f726d 3946 struct mgmt_cp_block_device *cp = data;
f0eeea8b 3947 u8 status;
7fbec224
AJ		 3948 int err;
3949
bdb6d971 3950 BT_DBG("%s", hdev->name);
7fbec224 3951
4ee71b20 3952 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 3953 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
3954 MGMT_STATUS_INVALID_PARAMS,
3955 &cp->addr, sizeof(cp->addr));
4ee71b20 3956
09fd0de5 3957 hci_dev_lock(hdev);
5e762444 3958
88c1fe4b 3959 err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
2a8357f2 3960 if (err < 0) {
f0eeea8b 3961 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 3962 goto done;
3963 }
3964
3965 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3966 sk);
3967 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3968
2a8357f2 3969done:
bdb6d971 3970 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 3971 &cp->addr, sizeof(cp->addr));
5e762444 3972
09fd0de5 3973 hci_dev_unlock(hdev);
7fbec224
AJ		 3974
3975 return err;
3976}
3977
bdb6d971 3978static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3979 u16 len)
7fbec224 3980{
650f726d 3981 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 3982 u8 status;
7fbec224
AJ		 3983 int err;
3984
bdb6d971 3985 BT_DBG("%s", hdev->name);
7fbec224 3986
4ee71b20 3987 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 3988 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
3989 MGMT_STATUS_INVALID_PARAMS,
3990 &cp->addr, sizeof(cp->addr));
4ee71b20 3991
09fd0de5 3992 hci_dev_lock(hdev);
5e762444 3993
88c1fe4b 3994 err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
2a8357f2 3995 if (err < 0) {
f0eeea8b 3996 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 3997 goto done;
3998 }
3999
4000 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4001 sk);
4002 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4003
2a8357f2 4004done:
bdb6d971 4005 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 4006 &cp->addr, sizeof(cp->addr));
5e762444 4007
09fd0de5 4008 hci_dev_unlock(hdev);
7fbec224
AJ		 4009
4010 return err;
4011}
4012
cdbaccca
MH		 4013static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4014 u16 len)
4015{
4016 struct mgmt_cp_set_device_id *cp = data;
890ea898 4017 struct hci_request req;
cdbaccca 4018 int err;
c72d4b8a 4019 __u16 source;
cdbaccca
MH		 4020
4021 BT_DBG("%s", hdev->name);
4022
c72d4b8a
SJ		 4023 source = __le16_to_cpu(cp->source);
4024
4025 if (source > 0x0002)
4026 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4027 MGMT_STATUS_INVALID_PARAMS);
4028
cdbaccca
MH		 4029 hci_dev_lock(hdev);
4030
c72d4b8a 4031 hdev->devid_source = source;
cdbaccca
MH		 4032 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4033 hdev->devid_product = __le16_to_cpu(cp->product);
4034 hdev->devid_version = __le16_to_cpu(cp->version);
4035
4036 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
4037
890ea898
JH		 4038 hci_req_init(&req, hdev);
4039 update_eir(&req);
4040 hci_req_run(&req, NULL);
cdbaccca
MH		 4041
4042 hci_dev_unlock(hdev);
4043
4044 return err;
4045}
4046
4375f103
JH		 4047static void set_advertising_complete(struct hci_dev *hdev, u8 status)
4048{
4049 struct cmd_lookup match = { NULL, hdev };
4050
4051 if (status) {
4052 u8 mgmt_err = mgmt_status(status);
4053
4054 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4055 cmd_status_rsp, &mgmt_err);
4056 return;
4057 }
4058
c93bd150
JH		 4059 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
4060 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
4061 else
4062 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
4063
4375f103
JH		 4064 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4065 &match);
4066
4067 new_settings(hdev, match.sk);
4068
4069 if (match.sk)
4070 sock_put(match.sk);
4071}
4072
21b5187f
MH		 4073static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4074 u16 len)
4375f103
JH		 4075{
4076 struct mgmt_mode *cp = data;
4077 struct pending_cmd *cmd;
4078 struct hci_request req;
e6fe7986 4079 u8 val, enabled, status;
4375f103
JH		 4080 int err;
4081
4082 BT_DBG("request for %s", hdev->name);
4083
e6fe7986
JH		 4084 status = mgmt_le_support(hdev);
4085 if (status)
4375f103 4086 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 4087 status);
4375f103
JH		 4088
4089 if (cp->val != 0x00 && cp->val != 0x01)
4090 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4091 MGMT_STATUS_INVALID_PARAMS);
4092
4093 hci_dev_lock(hdev);
4094
4095 val = !!cp->val;
f3d3444a 4096 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 4097
f74ca9b8
JH		 4098 /* The following conditions are ones which mean that we should
4099 * not do any HCI communication but directly send a mgmt
4100 * response to user space (after toggling the flag if
4101 * necessary).
4102 */
4103 if (!hdev_is_powered(hdev) || val == enabled ||
e8bb6b97
JH		 4104 hci_conn_num(hdev, LE_LINK) > 0 ||
4105 (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4106 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4375f103
JH		 4107 bool changed = false;
4108
f3d3444a
JH		 4109 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
4110 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 4111 changed = true;
4112 }
4113
4114 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4115 if (err < 0)
4116 goto unlock;
4117
4118 if (changed)
4119 err = new_settings(hdev, sk);
4120
4121 goto unlock;
4122 }
4123
4124 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4125 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
4126 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4127 MGMT_STATUS_BUSY);
4128 goto unlock;
4129 }
4130
4131 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4132 if (!cmd) {
4133 err = -ENOMEM;
4134 goto unlock;
4135 }
4136
4137 hci_req_init(&req, hdev);
4138
bba3aa55
MH		 4139 if (val)
4140 enable_advertising(&req);
4141 else
4142 disable_advertising(&req);
4375f103
JH		 4143
4144 err = hci_req_run(&req, set_advertising_complete);
4145 if (err < 0)
4146 mgmt_pending_remove(cmd);
4147
4148unlock:
4149 hci_dev_unlock(hdev);
4150 return err;
4151}
4152
d13eafce
MH		 4153static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4154 void *data, u16 len)
4155{
4156 struct mgmt_cp_set_static_address *cp = data;
4157 int err;
4158
4159 BT_DBG("%s", hdev->name);
4160
62af4443 4161 if (!lmp_le_capable(hdev))
d13eafce 4162 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 4163 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4164
4165 if (hdev_is_powered(hdev))
4166 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4167 MGMT_STATUS_REJECTED);
4168
4169 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4170 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4171 return cmd_status(sk, hdev->id,
4172 MGMT_OP_SET_STATIC_ADDRESS,
4173 MGMT_STATUS_INVALID_PARAMS);
4174
4175 /* Two most significant bits shall be set */
4176 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4177 return cmd_status(sk, hdev->id,
4178 MGMT_OP_SET_STATIC_ADDRESS,
4179 MGMT_STATUS_INVALID_PARAMS);
4180 }
4181
4182 hci_dev_lock(hdev);
4183
4184 bacpy(&hdev->static_addr, &cp->bdaddr);
4185
4186 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
4187
4188 hci_dev_unlock(hdev);
4189
4190 return err;
4191}
4192
14b49b9a
MH		 4193static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4194 void *data, u16 len)
4195{
4196 struct mgmt_cp_set_scan_params *cp = data;
4197 __u16 interval, window;
4198 int err;
4199
4200 BT_DBG("%s", hdev->name);
4201
4202 if (!lmp_le_capable(hdev))
4203 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4204 MGMT_STATUS_NOT_SUPPORTED);
4205
4206 interval = __le16_to_cpu(cp->interval);
4207
4208 if (interval < 0x0004 || interval > 0x4000)
4209 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4210 MGMT_STATUS_INVALID_PARAMS);
4211
4212 window = __le16_to_cpu(cp->window);
4213
4214 if (window < 0x0004 || window > 0x4000)
4215 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4216 MGMT_STATUS_INVALID_PARAMS);
4217
899e1075
MH		 4218 if (window > interval)
4219 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4220 MGMT_STATUS_INVALID_PARAMS);
4221
14b49b9a
MH		 4222 hci_dev_lock(hdev);
4223
4224 hdev->le_scan_interval = interval;
4225 hdev->le_scan_window = window;
4226
4227 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4228
dd2ef8e2
AG		 4229 /* If background scan is running, restart it so new parameters are
4230 * loaded.
4231 */
4232 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4233 hdev->discovery.state == DISCOVERY_STOPPED) {
4234 struct hci_request req;
4235
4236 hci_req_init(&req, hdev);
4237
4238 hci_req_add_le_scan_disable(&req);
4239 hci_req_add_le_passive_scan(&req);
4240
4241 hci_req_run(&req, NULL);
4242 }
4243
14b49b9a
MH		 4244 hci_dev_unlock(hdev);
4245
4246 return err;
4247}
4248
33e38b3e
JH		 4249static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4250{
4251 struct pending_cmd *cmd;
4252
4253 BT_DBG("status 0x%02x", status);
4254
4255 hci_dev_lock(hdev);
4256
4257 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4258 if (!cmd)
4259 goto unlock;
4260
4261 if (status) {
4262 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4263 mgmt_status(status));
4264 } else {
1a4d3c4b
JH		 4265 struct mgmt_mode *cp = cmd->param;
4266
4267 if (cp->val)
4268 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4269 else
4270 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4271
33e38b3e
JH		 4272 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4273 new_settings(hdev, cmd->sk);
4274 }
4275
4276 mgmt_pending_remove(cmd);
4277
4278unlock:
4279 hci_dev_unlock(hdev);
4280}
4281
bdb6d971 4282static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4283 void *data, u16 len)
f6422ec6 4284{
650f726d 4285 struct mgmt_mode *cp = data;
33e38b3e
JH		 4286 struct pending_cmd *cmd;
4287 struct hci_request req;
f6422ec6
AJ		 4288 int err;
4289
bdb6d971 4290 BT_DBG("%s", hdev->name);
f6422ec6 4291
56f87901
JH		 4292 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4293 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4294 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4295 MGMT_STATUS_NOT_SUPPORTED);
4296
a7e80f25
JH		 4297 if (cp->val != 0x00 && cp->val != 0x01)
4298 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4299 MGMT_STATUS_INVALID_PARAMS);
4300
5400c044 4301 if (!hdev_is_powered(hdev))
bdb6d971 4302 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4303 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4304
4305 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4306 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4307 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4308
4309 hci_dev_lock(hdev);
4310
05cbf29f
JH		 4311 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4312 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4313 MGMT_STATUS_BUSY);
4314 goto unlock;
4315 }
4316
1a4d3c4b
JH		 4317 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4318 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4319 hdev);
4320 goto unlock;
4321 }
4322
33e38b3e
JH		 4323 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4324 data, len);
4325 if (!cmd) {
4326 err = -ENOMEM;
4327 goto unlock;
f6422ec6
AJ		 4328 }
4329
33e38b3e
JH		 4330 hci_req_init(&req, hdev);
4331
406d7804 4332 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4333
4334 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4335 if (err < 0) {
bdb6d971 4336 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4337 MGMT_STATUS_FAILED);
33e38b3e 4338 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4339 }
4340
33e38b3e 4341unlock:
f6422ec6 4342 hci_dev_unlock(hdev);
33e38b3e 4343
f6422ec6
AJ		 4344 return err;
4345}
4346
67e5a7a3
JH		 4347static void set_bredr_scan(struct hci_request *req)
4348{
4349 struct hci_dev *hdev = req->hdev;
4350 u8 scan = 0;
4351
4352 /* Ensure that fast connectable is disabled. This function will
4353 * not do anything if the page scan parameters are already what
4354 * they should be.
4355 */
4356 write_fast_connectable(req, false);
4357
4358 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
4359 scan |= SCAN_PAGE;
4360 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
4361 scan |= SCAN_INQUIRY;
4362
4363 if (scan)
4364 hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
4365}
4366
0663ca2a
JH		 4367static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4368{
4369 struct pending_cmd *cmd;
4370
4371 BT_DBG("status 0x%02x", status);
4372
4373 hci_dev_lock(hdev);
4374
4375 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4376 if (!cmd)
4377 goto unlock;
4378
4379 if (status) {
4380 u8 mgmt_err = mgmt_status(status);
4381
4382 /* We need to restore the flag if related HCI commands
4383 * failed.
4384 */
4385 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4386
4387 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4388 } else {
4389 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4390 new_settings(hdev, cmd->sk);
4391 }
4392
4393 mgmt_pending_remove(cmd);
4394
4395unlock:
4396 hci_dev_unlock(hdev);
4397}
4398
4399static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4400{
4401 struct mgmt_mode *cp = data;
4402 struct pending_cmd *cmd;
4403 struct hci_request req;
4404 int err;
4405
4406 BT_DBG("request for %s", hdev->name);
4407
4408 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4409 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4410 MGMT_STATUS_NOT_SUPPORTED);
4411
4412 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4413 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4414 MGMT_STATUS_REJECTED);
4415
4416 if (cp->val != 0x00 && cp->val != 0x01)
4417 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4418 MGMT_STATUS_INVALID_PARAMS);
4419
4420 hci_dev_lock(hdev);
4421
4422 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4423 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4424 goto unlock;
4425 }
4426
4427 if (!hdev_is_powered(hdev)) {
4428 if (!cp->val) {
0663ca2a
JH		 4429 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4430 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4431 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4432 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4433 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4434 }
4435
4436 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4437
4438 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4439 if (err < 0)
4440 goto unlock;
4441
4442 err = new_settings(hdev, sk);
4443 goto unlock;
4444 }
4445
4446 /* Reject disabling when powered on */
4447 if (!cp->val) {
4448 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4449 MGMT_STATUS_REJECTED);
4450 goto unlock;
4451 }
4452
4453 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4454 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4455 MGMT_STATUS_BUSY);
4456 goto unlock;
4457 }
4458
4459 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4460 if (!cmd) {
4461 err = -ENOMEM;
4462 goto unlock;
4463 }
4464
5947f4bc 4465 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4466 * generates the correct flags.
4467 */
4468 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4469
4470 hci_req_init(&req, hdev);
aa8af46e
JH		 4471
4472 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
4473 set_bredr_scan(&req);
4474
f14d8f64
MH		 4475 /* Since only the advertising data flags will change, there
4476 * is no need to update the scan response data.
4477 */
5947f4bc 4478 update_adv_data(&req);
aa8af46e 4479
0663ca2a
JH		 4480 err = hci_req_run(&req, set_bredr_complete);
4481 if (err < 0)
4482 mgmt_pending_remove(cmd);
4483
4484unlock:
4485 hci_dev_unlock(hdev);
4486 return err;
4487}
4488
eac83dc6
MH		 4489static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4490 void *data, u16 len)
4491{
4492 struct mgmt_mode *cp = data;
4493 struct pending_cmd *cmd;
0ab04a9c 4494 u8 val, status;
eac83dc6
MH		 4495 int err;
4496
4497 BT_DBG("request for %s", hdev->name);
4498
4499 status = mgmt_bredr_support(hdev);
4500 if (status)
4501 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4502 status);
4503
5afeac14 4504 if (!lmp_sc_capable(hdev) &&
111902f7 4505 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4506 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4507 MGMT_STATUS_NOT_SUPPORTED);
4508
0ab04a9c 4509 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4510 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4511 MGMT_STATUS_INVALID_PARAMS);
4512
4513 hci_dev_lock(hdev);
4514
4515 if (!hdev_is_powered(hdev)) {
4516 bool changed;
4517
0ab04a9c 4518 if (cp->val) {
eac83dc6
MH		 4519 changed = !test_and_set_bit(HCI_SC_ENABLED,
4520 &hdev->dev_flags);
0ab04a9c
MH		 4521 if (cp->val == 0x02)
4522 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4523 else
4524 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4525 } else {
eac83dc6
MH		 4526 changed = test_and_clear_bit(HCI_SC_ENABLED,
4527 &hdev->dev_flags);
0ab04a9c
MH		 4528 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4529 }
eac83dc6
MH		 4530
4531 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4532 if (err < 0)
4533 goto failed;
4534
4535 if (changed)
4536 err = new_settings(hdev, sk);
4537
4538 goto failed;
4539 }
4540
4541 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4542 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4543 MGMT_STATUS_BUSY);
4544 goto failed;
4545 }
4546
0ab04a9c
MH		 4547 val = !!cp->val;
4548
4549 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4550 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4551 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4552 goto failed;
4553 }
4554
4555 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4556 if (!cmd) {
4557 err = -ENOMEM;
4558 goto failed;
4559 }
4560
0ab04a9c 4561 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4562 if (err < 0) {
4563 mgmt_pending_remove(cmd);
4564 goto failed;
4565 }
4566
0ab04a9c
MH		 4567 if (cp->val == 0x02)
4568 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4569 else
4570 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4571
eac83dc6
MH		 4572failed:
4573 hci_dev_unlock(hdev);
4574 return err;
4575}
4576
4e39ac81
MH		 4577static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4578 void *data, u16 len)
4579{
4580 struct mgmt_mode *cp = data;
b9710979 4581 bool changed, use_changed;
4e39ac81
MH		 4582 int err;
4583
4584 BT_DBG("request for %s", hdev->name);
4585
b9710979 4586 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4587 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4588 MGMT_STATUS_INVALID_PARAMS);
4589
4590 hci_dev_lock(hdev);
4591
4592 if (cp->val)
0663b297
JH		 4593 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4594 &hdev->dev_flags);
4e39ac81 4595 else
0663b297
JH		 4596 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4597 &hdev->dev_flags);
4e39ac81 4598
b9710979
JH		 4599 if (cp->val == 0x02)
4600 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4601 &hdev->dev_flags);
4602 else
4603 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4604 &hdev->dev_flags);
4605
4606 if (hdev_is_powered(hdev) && use_changed &&
4607 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4608 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4609 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4610 sizeof(mode), &mode);
4611 }
4612
4e39ac81
MH		 4613 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4614 if (err < 0)
4615 goto unlock;
4616
4617 if (changed)
4618 err = new_settings(hdev, sk);
4619
4620unlock:
4621 hci_dev_unlock(hdev);
4622 return err;
4623}
4624
62b04cd1
JH		 4625static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4626 u16 len)
4627{
4628 struct mgmt_cp_set_privacy *cp = cp_data;
4629 bool changed;
4630 int err;
4631
4632 BT_DBG("request for %s", hdev->name);
4633
4634 if (!lmp_le_capable(hdev))
4635 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4636 MGMT_STATUS_NOT_SUPPORTED);
4637
4638 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4639 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4640 MGMT_STATUS_INVALID_PARAMS);
4641
4642 if (hdev_is_powered(hdev))
4643 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4644 MGMT_STATUS_REJECTED);
4645
4646 hci_dev_lock(hdev);
4647
c21c0ea0
JH		 4648 /* If user space supports this command it is also expected to
4649 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4650 */
4651 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4652
62b04cd1
JH		 4653 if (cp->privacy) {
4654 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4655 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4656 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4657 } else {
4658 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4659 memset(hdev->irk, 0, sizeof(hdev->irk));
4660 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4661 }
4662
4663 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4664 if (err < 0)
4665 goto unlock;
4666
4667 if (changed)
4668 err = new_settings(hdev, sk);
4669
4670unlock:
4671 hci_dev_unlock(hdev);
4672 return err;
4673}
4674
41edf160
JH		 4675static bool irk_is_valid(struct mgmt_irk_info *irk)
4676{
4677 switch (irk->addr.type) {
4678 case BDADDR_LE_PUBLIC:
4679 return true;
4680
4681 case BDADDR_LE_RANDOM:
4682 /* Two most significant bits shall be set */
4683 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4684 return false;
4685 return true;
4686 }
4687
4688 return false;
4689}
4690
4691static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4692 u16 len)
4693{
4694 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4695 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4696 sizeof(struct mgmt_irk_info));
41edf160
JH		 4697 u16 irk_count, expected_len;
4698 int i, err;
4699
4700 BT_DBG("request for %s", hdev->name);
4701
4702 if (!lmp_le_capable(hdev))
4703 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4704 MGMT_STATUS_NOT_SUPPORTED);
4705
4706 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4707 if (irk_count > max_irk_count) {
4708 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4709 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4710 MGMT_STATUS_INVALID_PARAMS);
4711 }
41edf160
JH		 4712
4713 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4714 if (expected_len != len) {
4715 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4716 expected_len, len);
41edf160
JH		 4717 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4718 MGMT_STATUS_INVALID_PARAMS);
4719 }
4720
4721 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4722
4723 for (i = 0; i < irk_count; i++) {
4724 struct mgmt_irk_info *key = &cp->irks[i];
4725
4726 if (!irk_is_valid(key))
4727 return cmd_status(sk, hdev->id,
4728 MGMT_OP_LOAD_IRKS,
4729 MGMT_STATUS_INVALID_PARAMS);
4730 }
4731
4732 hci_dev_lock(hdev);
4733
4734 hci_smp_irks_clear(hdev);
4735
4736 for (i = 0; i < irk_count; i++) {
4737 struct mgmt_irk_info *irk = &cp->irks[i];
4738 u8 addr_type;
4739
4740 if (irk->addr.type == BDADDR_LE_PUBLIC)
4741 addr_type = ADDR_LE_DEV_PUBLIC;
4742 else
4743 addr_type = ADDR_LE_DEV_RANDOM;
4744
4745 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4746 BDADDR_ANY);
4747 }
4748
4749 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4750
4751 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4752
4753 hci_dev_unlock(hdev);
4754
4755 return err;
4756}
4757
3f706b72
JH		 4758static bool ltk_is_valid(struct mgmt_ltk_info *key)
4759{
4760 if (key->master != 0x00 && key->master != 0x01)
4761 return false;
490cb0b3
MH		 4762
4763 switch (key->addr.type) {
4764 case BDADDR_LE_PUBLIC:
4765 return true;
4766
4767 case BDADDR_LE_RANDOM:
4768 /* Two most significant bits shall be set */
4769 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4770 return false;
4771 return true;
4772 }
4773
4774 return false;
3f706b72
JH		 4775}
4776
bdb6d971 4777static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4778 void *cp_data, u16 len)
346af67b 4779{
346af67b 4780 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4781 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4782 sizeof(struct mgmt_ltk_info));
346af67b 4783 u16 key_count, expected_len;
715a5bf2 4784 int i, err;
346af67b 4785
cf99ba13
MH		 4786 BT_DBG("request for %s", hdev->name);
4787
4788 if (!lmp_le_capable(hdev))
4789 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4790 MGMT_STATUS_NOT_SUPPORTED);
4791
1f350c87 4792 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4793 if (key_count > max_key_count) {
4794 BT_ERR("load_ltks: too big key_count value %u", key_count);
4795 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4796 MGMT_STATUS_INVALID_PARAMS);
4797 }
346af67b
VCG		 4798
4799 expected_len = sizeof(*cp) + key_count *
4800 sizeof(struct mgmt_ltk_info);
4801 if (expected_len != len) {
4802 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4803 expected_len, len);
bdb6d971 4804 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4805 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4806 }
4807
bdb6d971 4808 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4809
54ad6d8a
JH		 4810 for (i = 0; i < key_count; i++) {
4811 struct mgmt_ltk_info *key = &cp->keys[i];
4812
3f706b72 4813 if (!ltk_is_valid(key))
54ad6d8a
JH		 4814 return cmd_status(sk, hdev->id,
4815 MGMT_OP_LOAD_LONG_TERM_KEYS,
4816 MGMT_STATUS_INVALID_PARAMS);
4817 }
4818
346af67b
VCG		 4819 hci_dev_lock(hdev);
4820
4821 hci_smp_ltks_clear(hdev);
4822
4823 for (i = 0; i < key_count; i++) {
4824 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4825 u8 type, addr_type, authenticated;
79d95a19
MH		 4826
4827 if (key->addr.type == BDADDR_LE_PUBLIC)
4828 addr_type = ADDR_LE_DEV_PUBLIC;
4829 else
4830 addr_type = ADDR_LE_DEV_RANDOM;
346af67b
VCG		 4831
4832 if (key->master)
2ceba539 4833 type = SMP_LTK;
346af67b 4834 else
2ceba539 4835 type = SMP_LTK_SLAVE;
346af67b 4836
61b43357
JH		 4837 switch (key->type) {
4838 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4839 authenticated = 0x00;
61b43357
JH		 4840 break;
4841 case MGMT_LTK_AUTHENTICATED:
d7b25450 4842 authenticated = 0x01;
61b43357
JH		 4843 break;
4844 default:
4845 continue;
4846 }
d7b25450 4847
35d70271 4848 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4849 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4850 key->rand);
346af67b
VCG		 4851 }
4852
715a5bf2
JH		 4853 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4854 NULL, 0);
4855
346af67b 4856 hci_dev_unlock(hdev);
346af67b 4857
715a5bf2 4858 return err;
346af67b
VCG		 4859}
4860
dd983808
AK		 4861struct cmd_conn_lookup {
4862 struct hci_conn *conn;
4863 bool valid_tx_power;
4864 u8 mgmt_status;
4865};
4866
4867static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4868{
4869 struct cmd_conn_lookup *match = data;
4870 struct mgmt_cp_get_conn_info *cp;
4871 struct mgmt_rp_get_conn_info rp;
4872 struct hci_conn *conn = cmd->user_data;
4873
4874 if (conn != match->conn)
4875 return;
4876
4877 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4878
4879 memset(&rp, 0, sizeof(rp));
4880 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4881 rp.addr.type = cp->addr.type;
4882
4883 if (!match->mgmt_status) {
4884 rp.rssi = conn->rssi;
4885
eed5daf3 4886 if (match->valid_tx_power) {
dd983808 4887 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4888 rp.max_tx_power = conn->max_tx_power;
4889 } else {
dd983808 4890 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4891 rp.max_tx_power = HCI_TX_POWER_INVALID;
4892 }
dd983808
AK		 4893 }
4894
4895 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4896 match->mgmt_status, &rp, sizeof(rp));
4897
4898 hci_conn_drop(conn);
4899
4900 mgmt_pending_remove(cmd);
4901}
4902
4903static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4904{
4905 struct hci_cp_read_rssi *cp;
4906 struct hci_conn *conn;
4907 struct cmd_conn_lookup match;
4908 u16 handle;
4909
4910 BT_DBG("status 0x%02x", status);
4911
4912 hci_dev_lock(hdev);
4913
4914 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 4915 * otherwise we assume it's not valid. At the moment we assume that
4916 * either both or none of current and max values are valid to keep code
4917 * simple.
dd983808
AK		 4918 */
4919 match.valid_tx_power = !status;
4920
4921 /* Commands sent in request are either Read RSSI or Read Transmit Power
4922 * Level so we check which one was last sent to retrieve connection
4923 * handle. Both commands have handle as first parameter so it's safe to
4924 * cast data on the same command struct.
4925 *
4926 * First command sent is always Read RSSI and we fail only if it fails.
4927 * In other case we simply override error to indicate success as we
4928 * already remembered if TX power value is actually valid.
4929 */
4930 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4931 if (!cp) {
4932 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
4933 status = 0;
4934 }
4935
4936 if (!cp) {
4937 BT_ERR("invalid sent_cmd in response");
4938 goto unlock;
4939 }
4940
4941 handle = __le16_to_cpu(cp->handle);
4942 conn = hci_conn_hash_lookup_handle(hdev, handle);
4943 if (!conn) {
4944 BT_ERR("unknown handle (%d) in response", handle);
4945 goto unlock;
4946 }
4947
4948 match.conn = conn;
4949 match.mgmt_status = mgmt_status(status);
4950
4951 /* Cache refresh is complete, now reply for mgmt request for given
4952 * connection only.
4953 */
4954 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
4955 get_conn_info_complete, &match);
4956
4957unlock:
4958 hci_dev_unlock(hdev);
4959}
4960
4961static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
4962 u16 len)
4963{
4964 struct mgmt_cp_get_conn_info *cp = data;
4965 struct mgmt_rp_get_conn_info rp;
4966 struct hci_conn *conn;
4967 unsigned long conn_info_age;
4968 int err = 0;
4969
4970 BT_DBG("%s", hdev->name);
4971
4972 memset(&rp, 0, sizeof(rp));
4973 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4974 rp.addr.type = cp->addr.type;
4975
4976 if (!bdaddr_type_is_valid(cp->addr.type))
4977 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4978 MGMT_STATUS_INVALID_PARAMS,
4979 &rp, sizeof(rp));
4980
4981 hci_dev_lock(hdev);
4982
4983 if (!hdev_is_powered(hdev)) {
4984 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4985 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
4986 goto unlock;
4987 }
4988
4989 if (cp->addr.type == BDADDR_BREDR)
4990 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4991 &cp->addr.bdaddr);
4992 else
4993 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
4994
4995 if (!conn || conn->state != BT_CONNECTED) {
4996 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4997 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
4998 goto unlock;
4999 }
5000
5001 /* To avoid client trying to guess when to poll again for information we
5002 * calculate conn info age as random value between min/max set in hdev.
5003 */
5004 conn_info_age = hdev->conn_info_min_age +
5005 prandom_u32_max(hdev->conn_info_max_age -
5006 hdev->conn_info_min_age);
5007
5008 /* Query controller to refresh cached values if they are too old or were
5009 * never read.
5010 */
f4e2dd53
AK		 5011 if (time_after(jiffies, conn->conn_info_timestamp +
5012 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5013 !conn->conn_info_timestamp) {
5014 struct hci_request req;
5015 struct hci_cp_read_tx_power req_txp_cp;
5016 struct hci_cp_read_rssi req_rssi_cp;
5017 struct pending_cmd *cmd;
5018
5019 hci_req_init(&req, hdev);
5020 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5021 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5022 &req_rssi_cp);
5023
f7faab0c
AK		 5024 /* For LE links TX power does not change thus we don't need to
5025 * query for it once value is known.
5026 */
5027 if (!bdaddr_type_is_le(cp->addr.type) ||
5028 conn->tx_power == HCI_TX_POWER_INVALID) {
5029 req_txp_cp.handle = cpu_to_le16(conn->handle);
5030 req_txp_cp.type = 0x00;
5031 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5032 sizeof(req_txp_cp), &req_txp_cp);
5033 }
dd983808 5034
eed5daf3
AK		 5035 /* Max TX power needs to be read only once per connection */
5036 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5037 req_txp_cp.handle = cpu_to_le16(conn->handle);
5038 req_txp_cp.type = 0x01;
5039 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5040 sizeof(req_txp_cp), &req_txp_cp);
5041 }
5042
dd983808
AK		 5043 err = hci_req_run(&req, conn_info_refresh_complete);
5044 if (err < 0)
5045 goto unlock;
5046
5047 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5048 data, len);
5049 if (!cmd) {
5050 err = -ENOMEM;
5051 goto unlock;
5052 }
5053
5054 hci_conn_hold(conn);
5055 cmd->user_data = conn;
5056
5057 conn->conn_info_timestamp = jiffies;
5058 } else {
5059 /* Cache is valid, just reply with values cached in hci_conn */
5060 rp.rssi = conn->rssi;
5061 rp.tx_power = conn->tx_power;
eed5daf3 5062 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 5063
5064 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5065 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5066 }
5067
5068unlock:
5069 hci_dev_unlock(hdev);
5070 return err;
5071}
5072
95868426
JH		 5073static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
5074{
5075 struct mgmt_cp_get_clock_info *cp;
5076 struct mgmt_rp_get_clock_info rp;
5077 struct hci_cp_read_clock *hci_cp;
5078 struct pending_cmd *cmd;
5079 struct hci_conn *conn;
5080
5081 BT_DBG("%s status %u", hdev->name, status);
5082
5083 hci_dev_lock(hdev);
5084
5085 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5086 if (!hci_cp)
5087 goto unlock;
5088
5089 if (hci_cp->which) {
5090 u16 handle = __le16_to_cpu(hci_cp->handle);
5091 conn = hci_conn_hash_lookup_handle(hdev, handle);
5092 } else {
5093 conn = NULL;
5094 }
5095
5096 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5097 if (!cmd)
5098 goto unlock;
5099
5100 cp = cmd->param;
5101
5102 memset(&rp, 0, sizeof(rp));
5103 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
5104
5105 if (status)
5106 goto send_rsp;
5107
5108 rp.local_clock = cpu_to_le32(hdev->clock);
5109
5110 if (conn) {
5111 rp.piconet_clock = cpu_to_le32(conn->clock);
5112 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5113 }
5114
5115send_rsp:
5116 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
5117 &rp, sizeof(rp));
5118 mgmt_pending_remove(cmd);
5119 if (conn)
5120 hci_conn_drop(conn);
5121
5122unlock:
5123 hci_dev_unlock(hdev);
5124}
5125
5126static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5127 u16 len)
5128{
5129 struct mgmt_cp_get_clock_info *cp = data;
5130 struct mgmt_rp_get_clock_info rp;
5131 struct hci_cp_read_clock hci_cp;
5132 struct pending_cmd *cmd;
5133 struct hci_request req;
5134 struct hci_conn *conn;
5135 int err;
5136
5137 BT_DBG("%s", hdev->name);
5138
5139 memset(&rp, 0, sizeof(rp));
5140 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5141 rp.addr.type = cp->addr.type;
5142
5143 if (cp->addr.type != BDADDR_BREDR)
5144 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5145 MGMT_STATUS_INVALID_PARAMS,
5146 &rp, sizeof(rp));
5147
5148 hci_dev_lock(hdev);
5149
5150 if (!hdev_is_powered(hdev)) {
5151 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5152 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5153 goto unlock;
5154 }
5155
5156 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5157 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5158 &cp->addr.bdaddr);
5159 if (!conn || conn->state != BT_CONNECTED) {
5160 err = cmd_complete(sk, hdev->id,
5161 MGMT_OP_GET_CLOCK_INFO,
5162 MGMT_STATUS_NOT_CONNECTED,
5163 &rp, sizeof(rp));
5164 goto unlock;
5165 }
5166 } else {
5167 conn = NULL;
5168 }
5169
5170 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5171 if (!cmd) {
5172 err = -ENOMEM;
5173 goto unlock;
5174 }
5175
5176 hci_req_init(&req, hdev);
5177
5178 memset(&hci_cp, 0, sizeof(hci_cp));
5179 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5180
5181 if (conn) {
5182 hci_conn_hold(conn);
5183 cmd->user_data = conn;
5184
5185 hci_cp.handle = cpu_to_le16(conn->handle);
5186 hci_cp.which = 0x01; /* Piconet clock */
5187 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5188 }
5189
5190 err = hci_req_run(&req, get_clock_info_complete);
5191 if (err < 0)
5192 mgmt_pending_remove(cmd);
5193
5194unlock:
5195 hci_dev_unlock(hdev);
5196 return err;
5197}
5198
8afef092
MH		 5199static void device_added(struct sock *sk, struct hci_dev *hdev,
5200 bdaddr_t *bdaddr, u8 type, u8 action)
5201{
5202 struct mgmt_ev_device_added ev;
5203
5204 bacpy(&ev.addr.bdaddr, bdaddr);
5205 ev.addr.type = type;
5206 ev.action = action;
5207
5208 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5209}
5210
2faade53
MH		 5211static int add_device(struct sock *sk, struct hci_dev *hdev,
5212 void *data, u16 len)
5213{
5214 struct mgmt_cp_add_device *cp = data;
5215 u8 auto_conn, addr_type;
5216 int err;
5217
5218 BT_DBG("%s", hdev->name);
5219
5220 if (!bdaddr_type_is_le(cp->addr.type) ||
5221 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5222 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5223 MGMT_STATUS_INVALID_PARAMS,
5224 &cp->addr, sizeof(cp->addr));
5225
5226 if (cp->action != 0x00 && cp->action != 0x01)
5227 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5228 MGMT_STATUS_INVALID_PARAMS,
5229 &cp->addr, sizeof(cp->addr));
5230
5231 hci_dev_lock(hdev);
5232
5233 if (cp->addr.type == BDADDR_LE_PUBLIC)
5234 addr_type = ADDR_LE_DEV_PUBLIC;
5235 else
5236 addr_type = ADDR_LE_DEV_RANDOM;
5237
5238 if (cp->action)
5239 auto_conn = HCI_AUTO_CONN_ALWAYS;
5240 else
a3451d27 5241 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5242
bf5b3c8b
MH		 5243 /* If the connection parameters don't exist for this device,
5244 * they will be created and configured with defaults.
5245 */
d06b50ce
MH		 5246 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5247 auto_conn) < 0) {
2faade53
MH		 5248 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5249 MGMT_STATUS_FAILED,
5250 &cp->addr, sizeof(cp->addr));
5251 goto unlock;
5252 }
5253
8afef092
MH		 5254 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5255
2faade53
MH		 5256 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5257 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5258
5259unlock:
5260 hci_dev_unlock(hdev);
5261 return err;
5262}
5263
8afef092
MH		 5264static void device_removed(struct sock *sk, struct hci_dev *hdev,
5265 bdaddr_t *bdaddr, u8 type)
5266{
5267 struct mgmt_ev_device_removed ev;
5268
5269 bacpy(&ev.addr.bdaddr, bdaddr);
5270 ev.addr.type = type;
5271
5272 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5273}
5274
2faade53
MH		 5275static int remove_device(struct sock *sk, struct hci_dev *hdev,
5276 void *data, u16 len)
5277{
5278 struct mgmt_cp_remove_device *cp = data;
5279 int err;
5280
5281 BT_DBG("%s", hdev->name);
5282
5283 hci_dev_lock(hdev);
5284
5285 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5286 struct hci_conn_params *params;
2faade53
MH		 5287 u8 addr_type;
5288
5289 if (!bdaddr_type_is_le(cp->addr.type)) {
5290 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5291 MGMT_STATUS_INVALID_PARAMS,
5292 &cp->addr, sizeof(cp->addr));
5293 goto unlock;
5294 }
5295
5296 if (cp->addr.type == BDADDR_LE_PUBLIC)
5297 addr_type = ADDR_LE_DEV_PUBLIC;
5298 else
5299 addr_type = ADDR_LE_DEV_RANDOM;
5300
c71593dd
JH		 5301 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5302 addr_type);
5303 if (!params) {
5304 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5305 MGMT_STATUS_INVALID_PARAMS,
5306 &cp->addr, sizeof(cp->addr));
5307 goto unlock;
5308 }
5309
5310 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
5311 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5312 MGMT_STATUS_INVALID_PARAMS,
5313 &cp->addr, sizeof(cp->addr));
5314 goto unlock;
5315 }
5316
d1dbf12e 5317 list_del(&params->action);
c71593dd
JH		 5318 list_del(&params->list);
5319 kfree(params);
95305baa 5320 hci_update_background_scan(hdev);
8afef092
MH		 5321
5322 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5323 } else {
19de0825
JH		 5324 struct hci_conn_params *p, *tmp;
5325
2faade53
MH		 5326 if (cp->addr.type) {
5327 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5328 MGMT_STATUS_INVALID_PARAMS,
5329 &cp->addr, sizeof(cp->addr));
5330 goto unlock;
5331 }
5332
19de0825
JH		 5333 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5334 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5335 continue;
5336 device_removed(sk, hdev, &p->addr, p->addr_type);
5337 list_del(&p->action);
5338 list_del(&p->list);
5339 kfree(p);
5340 }
5341
5342 BT_DBG("All LE connection parameters were removed");
5343
5344 hci_update_background_scan(hdev);
2faade53
MH		 5345 }
5346
5347 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5348 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5349
5350unlock:
5351 hci_dev_unlock(hdev);
5352 return err;
5353}
5354
a26f3dcf
JH		 5355static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5356 u16 len)
5357{
5358 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5359 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5360 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5361 u16 param_count, expected_len;
5362 int i;
5363
5364 if (!lmp_le_capable(hdev))
5365 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5366 MGMT_STATUS_NOT_SUPPORTED);
5367
5368 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5369 if (param_count > max_param_count) {
5370 BT_ERR("load_conn_param: too big param_count value %u",
5371 param_count);
5372 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5373 MGMT_STATUS_INVALID_PARAMS);
5374 }
a26f3dcf
JH		 5375
5376 expected_len = sizeof(*cp) + param_count *
5377 sizeof(struct mgmt_conn_param);
5378 if (expected_len != len) {
5379 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5380 expected_len, len);
5381 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5382 MGMT_STATUS_INVALID_PARAMS);
5383 }
5384
5385 BT_DBG("%s param_count %u", hdev->name, param_count);
5386
5387 hci_dev_lock(hdev);
5388
5389 hci_conn_params_clear_disabled(hdev);
5390
5391 for (i = 0; i < param_count; i++) {
5392 struct mgmt_conn_param *param = &cp->params[i];
5393 struct hci_conn_params *hci_param;
5394 u16 min, max, latency, timeout;
5395 u8 addr_type;
5396
5397 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5398 param->addr.type);
5399
5400 if (param->addr.type == BDADDR_LE_PUBLIC) {
5401 addr_type = ADDR_LE_DEV_PUBLIC;
5402 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5403 addr_type = ADDR_LE_DEV_RANDOM;
5404 } else {
5405 BT_ERR("Ignoring invalid connection parameters");
5406 continue;
5407 }
5408
5409 min = le16_to_cpu(param->min_interval);
5410 max = le16_to_cpu(param->max_interval);
5411 latency = le16_to_cpu(param->latency);
5412 timeout = le16_to_cpu(param->timeout);
5413
5414 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5415 min, max, latency, timeout);
5416
5417 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5418 BT_ERR("Ignoring invalid connection parameters");
5419 continue;
5420 }
5421
5422 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5423 addr_type);
5424 if (!hci_param) {
5425 BT_ERR("Failed to add connection parameters");
5426 continue;
5427 }
5428
5429 hci_param->conn_min_interval = min;
5430 hci_param->conn_max_interval = max;
5431 hci_param->conn_latency = latency;
5432 hci_param->supervision_timeout = timeout;
5433 }
5434
5435 hci_dev_unlock(hdev);
5436
5437 return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
5438}
5439
dbece37a
MH		 5440static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5441 void *data, u16 len)
5442{
5443 struct mgmt_cp_set_external_config *cp = data;
5444 bool changed;
5445 int err;
5446
5447 BT_DBG("%s", hdev->name);
5448
5449 if (hdev_is_powered(hdev))
5450 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5451 MGMT_STATUS_REJECTED);
5452
5453 if (cp->config != 0x00 && cp->config != 0x01)
5454 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5455 MGMT_STATUS_INVALID_PARAMS);
5456
5457 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5458 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5459 MGMT_STATUS_NOT_SUPPORTED);
5460
5461 hci_dev_lock(hdev);
5462
5463 if (cp->config)
5464 changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
5465 &hdev->dev_flags);
5466 else
5467 changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
5468 &hdev->dev_flags);
5469
5470 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5471 if (err < 0)
5472 goto unlock;
5473
5474 if (!changed)
5475 goto unlock;
5476
f4537c04
MH		 5477 err = new_options(hdev, sk);
5478
dbece37a
MH		 5479 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
5480 mgmt_index_removed(hdev);
d603b76b
MH		 5481
5482 if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
5483 set_bit(HCI_CONFIG, &hdev->dev_flags);
5484 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5485
5486 queue_work(hdev->req_workqueue, &hdev->power_on);
5487 } else {
5ea234d3 5488 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5489 mgmt_index_added(hdev);
5490 }
dbece37a
MH		 5491 }
5492
5493unlock:
5494 hci_dev_unlock(hdev);
5495 return err;
5496}
5497
9713c17b
MH		 5498static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5499 void *data, u16 len)
5500{
5501 struct mgmt_cp_set_public_address *cp = data;
5502 bool changed;
5503 int err;
5504
5505 BT_DBG("%s", hdev->name);
5506
5507 if (hdev_is_powered(hdev))
5508 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5509 MGMT_STATUS_REJECTED);
5510
5511 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5512 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5513 MGMT_STATUS_INVALID_PARAMS);
5514
5515 if (!hdev->set_bdaddr)
5516 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5517 MGMT_STATUS_NOT_SUPPORTED);
5518
5519 hci_dev_lock(hdev);
5520
5521 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5522 bacpy(&hdev->public_addr, &cp->bdaddr);
5523
5524 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5525 if (err < 0)
5526 goto unlock;
5527
5528 if (!changed)
5529 goto unlock;
5530
5531 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5532 err = new_options(hdev, sk);
5533
5534 if (is_configured(hdev)) {
5535 mgmt_index_removed(hdev);
5536
5537 clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
5538
5539 set_bit(HCI_CONFIG, &hdev->dev_flags);
5540 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5541
5542 queue_work(hdev->req_workqueue, &hdev->power_on);
5543 }
5544
5545unlock:
5546 hci_dev_unlock(hdev);
5547 return err;
5548}
5549
2e3c35ea 5550static const struct mgmt_handler {
04124681
GP		 5551 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5552 u16 data_len);
be22b54e
JH		 5553 bool var_len;
5554 size_t data_len;
0f4e68cf
JH		 5555} mgmt_handlers[] = {
5556 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5557 { read_version, false, MGMT_READ_VERSION_SIZE },
5558 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5559 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5560 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5561 { set_powered, false, MGMT_SETTING_SIZE },
5562 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5563 { set_connectable, false, MGMT_SETTING_SIZE },
5564 { set_fast_connectable, false, MGMT_SETTING_SIZE },
5565 { set_pairable, false, MGMT_SETTING_SIZE },
5566 { set_link_security, false, MGMT_SETTING_SIZE },
5567 { set_ssp, false, MGMT_SETTING_SIZE },
5568 { set_hs, false, MGMT_SETTING_SIZE },
5569 { set_le, false, MGMT_SETTING_SIZE },
5570 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5571 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5572 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5573 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5574 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5575 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5576 { disconnect, false, MGMT_DISCONNECT_SIZE },
5577 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5578 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5579 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5580 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5581 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5582 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5583 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5584 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5585 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5586 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5587 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5588 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5589 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5590 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5591 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5592 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5593 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5594 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5595 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5596 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5597 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5598 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5599 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5600 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5601 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5602 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5603 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5604 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5605 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5606 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5607 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5608 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
73d1df2a
MH		 5609 { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
5610 { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
9fc3bfb6 5611 { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
dbece37a 5612 { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
9713c17b 5613 { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
0f4e68cf
JH		 5614};
5615
0381101f
JH		 5616int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5617{
650f726d
VCG		 5618 void *buf;
5619 u8 *cp;
0381101f 5620 struct mgmt_hdr *hdr;
4e51eae9 5621 u16 opcode, index, len;
bdb6d971 5622 struct hci_dev *hdev = NULL;
2e3c35ea 5623 const struct mgmt_handler *handler;
0381101f
JH		 5624 int err;
5625
5626 BT_DBG("got %zu bytes", msglen);
5627
5628 if (msglen < sizeof(*hdr))
5629 return -EINVAL;
5630
e63a15ec 5631 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5632 if (!buf)
5633 return -ENOMEM;
5634
5635 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5636 err = -EFAULT;
5637 goto done;
5638 }
5639
650f726d 5640 hdr = buf;
1f350c87
MH		 5641 opcode = __le16_to_cpu(hdr->opcode);
5642 index = __le16_to_cpu(hdr->index);
5643 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5644
5645 if (len != msglen - sizeof(*hdr)) {
5646 err = -EINVAL;
5647 goto done;
5648 }
5649
0f4e68cf 5650 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5651 hdev = hci_dev_get(index);
5652 if (!hdev) {
5653 err = cmd_status(sk, index, opcode,
04124681 5654 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5655 goto done;
5656 }
0736cfa8 5657
cebf4cfd 5658 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
d603b76b 5659 test_bit(HCI_CONFIG, &hdev->dev_flags) ||
4a964404 5660 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
0736cfa8
MH		 5661 err = cmd_status(sk, index, opcode,
5662 MGMT_STATUS_INVALID_INDEX);
5663 goto done;
5664 }
42a9bc14
MH		 5665
5666 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
dbece37a 5667 opcode != MGMT_OP_READ_CONFIG_INFO &&
9713c17b
MH		 5668 opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
5669 opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
42a9bc14
MH		 5670 err = cmd_status(sk, index, opcode,
5671 MGMT_STATUS_INVALID_INDEX);
5672 goto done;
5673 }
bdb6d971
JH		 5674 }
5675
0f4e68cf 5676 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5677 mgmt_handlers[opcode].func == NULL) {
0381101f 5678 BT_DBG("Unknown op %u", opcode);
ca69b795 5679 err = cmd_status(sk, index, opcode,
04124681 5680 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5681 goto done;
5682 }
5683
73d1df2a
MH		 5684 if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
5685 opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
5686 err = cmd_status(sk, index, opcode,
5687 MGMT_STATUS_INVALID_INDEX);
5688 goto done;
5689 }
5690
5691 if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
5692 opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
0f4e68cf 5693 err = cmd_status(sk, index, opcode,
04124681 5694 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5695 goto done;
0381101f
JH		 5696 }
5697
be22b54e
JH		 5698 handler = &mgmt_handlers[opcode];
5699
5700 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5701 (!handler->var_len && len != handler->data_len)) {
be22b54e 5702 err = cmd_status(sk, index, opcode,
04124681 5703 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5704 goto done;
5705 }
5706
0f4e68cf
JH		 5707 if (hdev)
5708 mgmt_init_hdev(sk, hdev);
5709
5710 cp = buf + sizeof(*hdr);
5711
be22b54e 5712 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5713 if (err < 0)
5714 goto done;
5715
0381101f
JH		 5716 err = msglen;
5717
5718done:
bdb6d971
JH		 5719 if (hdev)
5720 hci_dev_put(hdev);
5721
0381101f
JH		 5722 kfree(buf);
5723 return err;
5724}
c71e97bf 5725
bf6b56db 5726void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5727{
1514b892 5728 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5729 return;
bb4b2a9a 5730
0602a8ad
MH		 5731 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5732 return;
5733
5734 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5735 mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
5736 else
5737 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5738}
5739
bf6b56db 5740void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5741{
5f159032 5742 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 5743
1514b892 5744 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5745 return;
bb4b2a9a 5746
0602a8ad
MH		 5747 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5748 return;
5749
744cf19e 5750 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5751
edd3896b
MH		 5752 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5753 mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
5754 else
5755 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5756}
5757
6046dc3e 5758/* This function requires the caller holds hdev->lock */
d7347f3c 5759static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 5760{
5761 struct hci_conn_params *p;
5762
5763 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 5764 /* Needed for AUTO_OFF case where might not "really"
5765 * have been powered off.
5766 */
5767 list_del_init(&p->action);
5768
5769 switch (p->auto_connect) {
5770 case HCI_AUTO_CONN_ALWAYS:
5771 list_add(&p->action, &hdev->pend_le_conns);
5772 break;
5773 case HCI_AUTO_CONN_REPORT:
5774 list_add(&p->action, &hdev->pend_le_reports);
5775 break;
5776 default:
5777 break;
c83ed19d 5778 }
6046dc3e 5779 }
c83ed19d 5780
c83ed19d 5781 hci_update_background_scan(hdev);
6046dc3e
AG		 5782}
5783
229ab39c
JH		 5784static void powered_complete(struct hci_dev *hdev, u8 status)
5785{
5786 struct cmd_lookup match = { NULL, hdev };
5787
5788 BT_DBG("status 0x%02x", status);
5789
5790 hci_dev_lock(hdev);
5791
d7347f3c 5792 restart_le_actions(hdev);
6046dc3e 5793
229ab39c
JH		 5794 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5795
5796 new_settings(hdev, match.sk);
5797
5798 hci_dev_unlock(hdev);
5799
5800 if (match.sk)
5801 sock_put(match.sk);
5802}
5803
70da6243 5804static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5805{
890ea898 5806 struct hci_request req;
70da6243 5807 u8 link_sec;
5add6af8 5808
890ea898
JH		 5809 hci_req_init(&req, hdev);
5810
70da6243
JH		 5811 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5812 !lmp_host_ssp_capable(hdev)) {
5813 u8 ssp = 1;
5e5282bb 5814
890ea898 5815 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5816 }
5add6af8 5817
c73eee91
JH		 5818 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5819 lmp_bredr_capable(hdev)) {
70da6243 5820 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5821
70da6243
JH		 5822 cp.le = 1;
5823 cp.simul = lmp_le_br_capable(hdev);
3d1cbdd6 5824
70da6243
JH		 5825 /* Check first if we already have the right
5826 * host state (host features set)
5827 */
5828 if (cp.le != lmp_host_le_capable(hdev) ||
5829 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5830 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5831 sizeof(cp), &cp);
70da6243 5832 }
3d1cbdd6 5833
d13eafce 5834 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5835 /* Make sure the controller has a good default for
5836 * advertising data. This also applies to the case
5837 * where BR/EDR was toggled during the AUTO_OFF phase.
5838 */
f14d8f64 5839 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5840 update_adv_data(&req);
f14d8f64
MH		 5841 update_scan_rsp_data(&req);
5842 }
441ad2d0 5843
bba3aa55
MH		 5844 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5845 enable_advertising(&req);
eeca6f89
JH		 5846 }
5847
70da6243
JH		 5848 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5849 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5850 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5851 sizeof(link_sec), &link_sec);
562fcc24 5852
70da6243 5853 if (lmp_bredr_capable(hdev)) {
56f87901
JH		 5854 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
5855 set_bredr_scan(&req);
890ea898 5856 update_class(&req);
13928971 5857 update_name(&req);
890ea898 5858 update_eir(&req);
70da6243 5859 }
562fcc24 5860
229ab39c 5861 return hci_req_run(&req, powered_complete);
70da6243 5862}
562fcc24 5863
70da6243
JH		 5864int mgmt_powered(struct hci_dev *hdev, u8 powered)
5865{
5866 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 5867 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
5868 u8 zero_cod[] = { 0, 0, 0 };
70da6243 5869 int err;
f0ff92fb 5870
70da6243
JH		 5871 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
5872 return 0;
5873
70da6243 5874 if (powered) {
229ab39c
JH		 5875 if (powered_update_hci(hdev) == 0)
5876 return 0;
fe038884 5877
229ab39c
JH		 5878 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
5879 &match);
5880 goto new_settings;
b24752fe
JH		 5881 }
5882
229ab39c
JH		 5883 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5884 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
5885
5886 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
5887 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
5888 zero_cod, sizeof(zero_cod), NULL);
5889
5890new_settings:
beadb2bd 5891 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 5892
5893 if (match.sk)
5894 sock_put(match.sk);
5895
7bb895d6 5896 return err;
5add6af8 5897}
73f22f62 5898
3eec705e 5899void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 5900{
5901 struct pending_cmd *cmd;
5902 u8 status;
5903
5904 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
5905 if (!cmd)
3eec705e 5906 return;
96570ffc
JH		 5907
5908 if (err == -ERFKILL)
5909 status = MGMT_STATUS_RFKILLED;
5910 else
5911 status = MGMT_STATUS_FAILED;
5912
3eec705e 5913 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 5914
5915 mgmt_pending_remove(cmd);
96570ffc
JH		 5916}
5917
d1967ff8
MH		 5918void mgmt_discoverable_timeout(struct hci_dev *hdev)
5919{
5920 struct hci_request req;
d1967ff8
MH		 5921
5922 hci_dev_lock(hdev);
5923
5924 /* When discoverable timeout triggers, then just make sure
5925 * the limited discoverable flag is cleared. Even in the case
5926 * of a timeout triggered from general discoverable, it is
5927 * safe to unconditionally clear the flag.
5928 */
5929 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 5930 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 5931
5932 hci_req_init(&req, hdev);
4b580614
JH		 5933 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
5934 u8 scan = SCAN_PAGE;
5935 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
5936 sizeof(scan), &scan);
5937 }
d1967ff8 5938 update_class(&req);
9a43e25f 5939 update_adv_data(&req);
d1967ff8
MH		 5940 hci_req_run(&req, NULL);
5941
5942 hdev->discov_timeout = 0;
5943
9a43e25f
JH		 5944 new_settings(hdev, NULL);
5945
d1967ff8
MH		 5946 hci_dev_unlock(hdev);
5947}
5948
86a75645 5949void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
73f22f62 5950{
86a75645 5951 bool changed;
73f22f62 5952
bfaf8c9f
JH		 5953 /* Nothing needed here if there's a pending command since that
5954 * commands request completion callback takes care of everything
5955 * necessary.
5956 */
5957 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev))
86a75645 5958 return;
bfaf8c9f 5959
bd107999
JH		 5960 /* Powering off may clear the scan mode - don't let that interfere */
5961 if (!discoverable && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
5962 return;
5963
9a43e25f 5964 if (discoverable) {
86a75645 5965 changed = !test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
9a43e25f
JH		 5966 } else {
5967 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
86a75645 5968 changed = test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
9a43e25f
JH		 5969 }
5970
5971 if (changed) {
5972 struct hci_request req;
5973
5974 /* In case this change in discoverable was triggered by
5975 * a disabling of connectable there could be a need to
5976 * update the advertising flags.
5977 */
5978 hci_req_init(&req, hdev);
5979 update_adv_data(&req);
5980 hci_req_run(&req, NULL);
73f22f62 5981
86a75645 5982 new_settings(hdev, NULL);
9a43e25f 5983 }
73f22f62 5984}
9fbcbb45 5985
a330916c 5986void mgmt_connectable(struct hci_dev *hdev, u8 connectable)
9fbcbb45 5987{
a330916c 5988 bool changed;
9fbcbb45 5989
d7b856f9
JH		 5990 /* Nothing needed here if there's a pending command since that
5991 * commands request completion callback takes care of everything
5992 * necessary.
5993 */
5994 if (mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev))
a330916c 5995 return;
d7b856f9 5996
ce3f24cf
JH		 5997 /* Powering off may clear the scan mode - don't let that interfere */
5998 if (!connectable && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
5999 return;
6000
a330916c
MH		 6001 if (connectable)
6002 changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
6003 else
6004 changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
9fbcbb45 6005
beadb2bd 6006 if (changed)
a330916c 6007 new_settings(hdev, NULL);
9fbcbb45 6008}
55ed8ca1 6009
4796e8af 6010void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status)
2d7cee58 6011{
ca69b795
JH		 6012 u8 mgmt_err = mgmt_status(status);
6013
2d7cee58 6014 if (scan & SCAN_PAGE)
744cf19e 6015 mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev,
04124681 6016 cmd_status_rsp, &mgmt_err);
2d7cee58
JH		 6017
6018 if (scan & SCAN_INQUIRY)
744cf19e 6019 mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev,
04124681 6020 cmd_status_rsp, &mgmt_err);
2d7cee58
JH		 6021}
6022
dc4a5ee2
MH		 6023void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6024 bool persistent)
55ed8ca1 6025{
86742e1e 6026 struct mgmt_ev_new_link_key ev;
55ed8ca1 6027
a492cd52 6028 memset(&ev, 0, sizeof(ev));
55ed8ca1 6029
a492cd52 6030 ev.store_hint = persistent;
d753fdc4 6031 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6032 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6033 ev.key.type = key->type;
9b3b4460 6034 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6035 ev.key.pin_len = key->pin_len;
55ed8ca1 6036
dc4a5ee2 6037 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6038}
f7520543 6039
d7b25450
JH		 6040static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6041{
6042 if (ltk->authenticated)
6043 return MGMT_LTK_AUTHENTICATED;
6044
6045 return MGMT_LTK_UNAUTHENTICATED;
6046}
6047
53ac6ab6 6048void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6049{
6050 struct mgmt_ev_new_long_term_key ev;
6051
6052 memset(&ev, 0, sizeof(ev));
6053
5192d301
MH		 6054 /* Devices using resolvable or non-resolvable random addresses
6055 * without providing an indentity resolving key don't require
6056 * to store long term keys. Their addresses will change the
6057 * next time around.
6058 *
6059 * Only when a remote device provides an identity address
6060 * make sure the long term key is stored. If the remote
6061 * identity is known, the long term keys are internally
6062 * mapped to the identity address. So allow static random
6063 * and public addresses here.
6064 */
ba74b666
JH		 6065 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6066 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6067 ev.store_hint = 0x00;
6068 else
53ac6ab6 6069 ev.store_hint = persistent;
ba74b666 6070
346af67b 6071 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6072 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6073 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6074 ev.key.enc_size = key->enc_size;
6075 ev.key.ediv = key->ediv;
fe39c7b2 6076 ev.key.rand = key->rand;
346af67b 6077
2ceba539 6078 if (key->type == SMP_LTK)
346af67b
VCG		 6079 ev.key.master = 1;
6080
346af67b
VCG		 6081 memcpy(ev.key.val, key->val, sizeof(key->val));
6082
083368f7 6083 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6084}
6085
95fbac8a
JH		 6086void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
6087{
6088 struct mgmt_ev_new_irk ev;
6089
6090 memset(&ev, 0, sizeof(ev));
6091
bab6d1e5
MH		 6092 /* For identity resolving keys from devices that are already
6093 * using a public address or static random address, do not
6094 * ask for storing this key. The identity resolving key really
6095 * is only mandatory for devices using resovlable random
6096 * addresses.
6097 *
6098 * Storing all identity resolving keys has the downside that
6099 * they will be also loaded on next boot of they system. More
6100 * identity resolving keys, means more time during scanning is
6101 * needed to actually resolve these addresses.
6102 */
6103 if (bacmp(&irk->rpa, BDADDR_ANY))
6104 ev.store_hint = 0x01;
6105 else
6106 ev.store_hint = 0x00;
6107
95fbac8a
JH		 6108 bacpy(&ev.rpa, &irk->rpa);
6109 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6110 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6111 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6112
6113 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6114}
6115
53ac6ab6
MH		 6116void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6117 bool persistent)
7ee4ea36
MH		 6118{
6119 struct mgmt_ev_new_csrk ev;
6120
6121 memset(&ev, 0, sizeof(ev));
6122
6123 /* Devices using resolvable or non-resolvable random addresses
6124 * without providing an indentity resolving key don't require
6125 * to store signature resolving keys. Their addresses will change
6126 * the next time around.
6127 *
6128 * Only when a remote device provides an identity address
6129 * make sure the signature resolving key is stored. So allow
6130 * static random and public addresses here.
6131 */
6132 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6133 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6134 ev.store_hint = 0x00;
6135 else
53ac6ab6 6136 ev.store_hint = persistent;
7ee4ea36
MH		 6137
6138 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6139 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6140 ev.key.master = csrk->master;
6141 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6142
6143 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6144}
6145
ffb5a827 6146void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6147 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6148 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6149{
6150 struct mgmt_ev_new_conn_param ev;
6151
c103aea6
JH		 6152 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6153 return;
6154
ffb5a827
AG		 6155 memset(&ev, 0, sizeof(ev));
6156 bacpy(&ev.addr.bdaddr, bdaddr);
6157 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6158 ev.store_hint = store_hint;
ffb5a827
AG		 6159 ev.min_interval = cpu_to_le16(min_interval);
6160 ev.max_interval = cpu_to_le16(max_interval);
6161 ev.latency = cpu_to_le16(latency);
6162 ev.timeout = cpu_to_le16(timeout);
6163
6164 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6165}
6166
94933991
MH		 6167static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6168 u8 data_len)
6169{
6170 eir[eir_len++] = sizeof(type) + data_len;
6171 eir[eir_len++] = type;
6172 memcpy(&eir[eir_len], data, data_len);
6173 eir_len += data_len;
6174
6175 return eir_len;
6176}
6177
ecd90ae7
MH		 6178void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6179 u8 addr_type, u32 flags, u8 *name, u8 name_len,
6180 u8 *dev_class)
f7520543 6181{
b644ba33
JH		 6182 char buf[512];
6183 struct mgmt_ev_device_connected *ev = (void *) buf;
6184 u16 eir_len = 0;
f7520543 6185
b644ba33 6186 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6187 ev->addr.type = link_to_bdaddr(link_type, addr_type);
f7520543 6188
c95f0ba7 6189 ev->flags = __cpu_to_le32(flags);
08c79b61 6190
b644ba33
JH		 6191 if (name_len > 0)
6192 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
04124681 6193 name, name_len);
b644ba33
JH		 6194
6195 if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
53156385 6196 eir_len = eir_append_data(ev->eir, eir_len,
04124681 6197 EIR_CLASS_OF_DEV, dev_class, 3);
b644ba33 6198
eb55ef07 6199 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6200
ecd90ae7
MH		 6201 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6202 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6203}
6204
8962ee74
JH		 6205static void disconnect_rsp(struct pending_cmd *cmd, void *data)
6206{
c68fb7ff 6207 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 6208 struct sock **sk = data;
a38528f1 6209 struct mgmt_rp_disconnect rp;
8962ee74 6210
88c3df13
JH		 6211 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6212 rp.addr.type = cp->addr.type;
8962ee74 6213
aee9b218 6214 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 6215 sizeof(rp));
8962ee74
JH		 6216
6217 *sk = cmd->sk;
6218 sock_hold(*sk);
6219
a664b5bc 6220 mgmt_pending_remove(cmd);
8962ee74
JH		 6221}
6222
124f6e35 6223static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 6224{
b1078ad0 6225 struct hci_dev *hdev = data;
124f6e35
JH		 6226 struct mgmt_cp_unpair_device *cp = cmd->param;
6227 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 6228
6229 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 6230 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6231 rp.addr.type = cp->addr.type;
a8a1d19e 6232
b1078ad0
JH		 6233 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6234
aee9b218 6235 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 6236
6237 mgmt_pending_remove(cmd);
6238}
6239
9b80ec5e 6240void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6241 u8 link_type, u8 addr_type, u8 reason,
6242 bool mgmt_connected)
f7520543 6243{
f0d6a0ea 6244 struct mgmt_ev_device_disconnected ev;
8b064a3a 6245 struct pending_cmd *power_off;
8962ee74 6246 struct sock *sk = NULL;
8962ee74 6247
8b064a3a
JH		 6248 power_off = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6249 if (power_off) {
6250 struct mgmt_mode *cp = power_off->param;
6251
6252 /* The connection is still in hci_conn_hash so test for 1
6253 * instead of 0 to know if this is the last one.
6254 */
a3172b7e
JH		 6255 if (!cp->val && hci_conn_count(hdev) == 1) {
6256 cancel_delayed_work(&hdev->power_off);
8b064a3a 6257 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 6258 }
8b064a3a
JH		 6259 }
6260
12d4a3b2
JH		 6261 if (!mgmt_connected)
6262 return;
6263
57eb776f
AG		 6264 if (link_type != ACL_LINK && link_type != LE_LINK)
6265 return;
6266
744cf19e 6267 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6268
f0d6a0ea
MA		 6269 bacpy(&ev.addr.bdaddr, bdaddr);
6270 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6271 ev.reason = reason;
f7520543 6272
9b80ec5e 6273 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6274
6275 if (sk)
d97dcb66 6276 sock_put(sk);
8962ee74 6277
124f6e35 6278 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6279 hdev);
8962ee74
JH		 6280}
6281
7892924c
MH		 6282void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6283 u8 link_type, u8 addr_type, u8 status)
8962ee74 6284{
3655bba8
AG		 6285 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6286 struct mgmt_cp_disconnect *cp;
88c3df13 6287 struct mgmt_rp_disconnect rp;
8962ee74 6288 struct pending_cmd *cmd;
8962ee74 6289
36a75f1b
JD		 6290 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6291 hdev);
6292
2e58ef3e 6293 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6294 if (!cmd)
7892924c 6295 return;
8962ee74 6296
3655bba8
AG		 6297 cp = cmd->param;
6298
6299 if (bacmp(bdaddr, &cp->addr.bdaddr))
6300 return;
6301
6302 if (cp->addr.type != bdaddr_type)
6303 return;
6304
88c3df13 6305 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 6306 rp.addr.type = bdaddr_type;
37d9ef76 6307
7892924c
MH		 6308 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
6309 mgmt_status(status), &rp, sizeof(rp));
8962ee74 6310
a664b5bc 6311 mgmt_pending_remove(cmd);
f7520543 6312}
17d5c04c 6313
445608d0
MH		 6314void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6315 u8 addr_type, u8 status)
17d5c04c
JH		 6316{
6317 struct mgmt_ev_connect_failed ev;
c9910d0f
JH		 6318 struct pending_cmd *power_off;
6319
6320 power_off = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6321 if (power_off) {
6322 struct mgmt_mode *cp = power_off->param;
6323
6324 /* The connection is still in hci_conn_hash so test for 1
6325 * instead of 0 to know if this is the last one.
6326 */
a3172b7e
JH		 6327 if (!cp->val && hci_conn_count(hdev) == 1) {
6328 cancel_delayed_work(&hdev->power_off);
c9910d0f 6329 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 6330 }
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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