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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[linux.git] / net / bluetooth / mgmt.c
CommitLineData
0381101f
JH		 1/*
2 BlueZ - Bluetooth protocol stack for Linux
ea585ab5 3
0381101f 4 Copyright (C) 2010 Nokia Corporation
ea585ab5 5 Copyright (C) 2011-2012 Intel Corporation
0381101f
JH		 6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI Management interface */
26
3a9a231d 27#include <linux/module.h>
0381101f
JH		 28#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
4bc58f51 32#include <net/bluetooth/l2cap.h>
0381101f 33#include <net/bluetooth/mgmt.h>
ac4b7236
MH		 34
35#include "smp.h"
0381101f 36
2da9c55c 37#define MGMT_VERSION 1
730f091b 38#define MGMT_REVISION 7
02d98129 39
e70bb2e8
JH		 40static const u16 mgmt_commands[] = {
41 MGMT_OP_READ_INDEX_LIST,
42 MGMT_OP_READ_INFO,
43 MGMT_OP_SET_POWERED,
44 MGMT_OP_SET_DISCOVERABLE,
45 MGMT_OP_SET_CONNECTABLE,
46 MGMT_OP_SET_FAST_CONNECTABLE,
b2939475 47 MGMT_OP_SET_BONDABLE,
e70bb2e8
JH		 48 MGMT_OP_SET_LINK_SECURITY,
49 MGMT_OP_SET_SSP,
50 MGMT_OP_SET_HS,
51 MGMT_OP_SET_LE,
52 MGMT_OP_SET_DEV_CLASS,
53 MGMT_OP_SET_LOCAL_NAME,
54 MGMT_OP_ADD_UUID,
55 MGMT_OP_REMOVE_UUID,
56 MGMT_OP_LOAD_LINK_KEYS,
57 MGMT_OP_LOAD_LONG_TERM_KEYS,
58 MGMT_OP_DISCONNECT,
59 MGMT_OP_GET_CONNECTIONS,
60 MGMT_OP_PIN_CODE_REPLY,
61 MGMT_OP_PIN_CODE_NEG_REPLY,
62 MGMT_OP_SET_IO_CAPABILITY,
63 MGMT_OP_PAIR_DEVICE,
64 MGMT_OP_CANCEL_PAIR_DEVICE,
65 MGMT_OP_UNPAIR_DEVICE,
66 MGMT_OP_USER_CONFIRM_REPLY,
67 MGMT_OP_USER_CONFIRM_NEG_REPLY,
68 MGMT_OP_USER_PASSKEY_REPLY,
69 MGMT_OP_USER_PASSKEY_NEG_REPLY,
70 MGMT_OP_READ_LOCAL_OOB_DATA,
71 MGMT_OP_ADD_REMOTE_OOB_DATA,
72 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
73 MGMT_OP_START_DISCOVERY,
74 MGMT_OP_STOP_DISCOVERY,
75 MGMT_OP_CONFIRM_NAME,
76 MGMT_OP_BLOCK_DEVICE,
77 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 78 MGMT_OP_SET_DEVICE_ID,
4375f103 79 MGMT_OP_SET_ADVERTISING,
0663ca2a 80 MGMT_OP_SET_BREDR,
d13eafce 81 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 82 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 83 MGMT_OP_SET_SECURE_CONN,
4e39ac81 84 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 85 MGMT_OP_SET_PRIVACY,
41edf160 86 MGMT_OP_LOAD_IRKS,
dd983808 87 MGMT_OP_GET_CONN_INFO,
95868426 88 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 89 MGMT_OP_ADD_DEVICE,
90 MGMT_OP_REMOVE_DEVICE,
a26f3dcf 91 MGMT_OP_LOAD_CONN_PARAM,
73d1df2a 92 MGMT_OP_READ_UNCONF_INDEX_LIST,
9fc3bfb6 93 MGMT_OP_READ_CONFIG_INFO,
dbece37a 94 MGMT_OP_SET_EXTERNAL_CONFIG,
9713c17b 95 MGMT_OP_SET_PUBLIC_ADDRESS,
e70bb2e8
JH		 96};
97
98static const u16 mgmt_events[] = {
99 MGMT_EV_CONTROLLER_ERROR,
100 MGMT_EV_INDEX_ADDED,
101 MGMT_EV_INDEX_REMOVED,
102 MGMT_EV_NEW_SETTINGS,
103 MGMT_EV_CLASS_OF_DEV_CHANGED,
104 MGMT_EV_LOCAL_NAME_CHANGED,
105 MGMT_EV_NEW_LINK_KEY,
106 MGMT_EV_NEW_LONG_TERM_KEY,
107 MGMT_EV_DEVICE_CONNECTED,
108 MGMT_EV_DEVICE_DISCONNECTED,
109 MGMT_EV_CONNECT_FAILED,
110 MGMT_EV_PIN_CODE_REQUEST,
111 MGMT_EV_USER_CONFIRM_REQUEST,
112 MGMT_EV_USER_PASSKEY_REQUEST,
113 MGMT_EV_AUTH_FAILED,
114 MGMT_EV_DEVICE_FOUND,
115 MGMT_EV_DISCOVERING,
116 MGMT_EV_DEVICE_BLOCKED,
117 MGMT_EV_DEVICE_UNBLOCKED,
118 MGMT_EV_DEVICE_UNPAIRED,
92a25256 119 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 120 MGMT_EV_NEW_IRK,
7ee4ea36 121 MGMT_EV_NEW_CSRK,
8afef092
MH		 122 MGMT_EV_DEVICE_ADDED,
123 MGMT_EV_DEVICE_REMOVED,
ffb5a827 124 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 125 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 126 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 127 MGMT_EV_NEW_CONFIG_OPTIONS,
e70bb2e8
JH		 128};
129
17b02e62 130#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 131
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;
b2939475 556 settings |= MGMT_SETTING_BONDABLE;
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
b6ae8457 606 if (test_bit(HCI_BONDABLE, &hdev->dev_flags))
b2939475 607 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 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
bc6d2d04
JH		 909int mgmt_update_adv_data(struct hci_dev *hdev)
910{
911 struct hci_request req;
912
913 hci_req_init(&req, hdev);
914 update_adv_data(&req);
915
916 return hci_req_run(&req, NULL);
917}
918
ef580372
JH		 919static void create_eir(struct hci_dev *hdev, u8 *data)
920{
921 u8 *ptr = data;
ef580372
JH		 922 size_t name_len;
923
924 name_len = strlen(hdev->dev_name);
925
926 if (name_len > 0) {
927 /* EIR Data type */
928 if (name_len > 48) {
929 name_len = 48;
930 ptr[1] = EIR_NAME_SHORT;
931 } else
932 ptr[1] = EIR_NAME_COMPLETE;
933
934 /* EIR Data length */
935 ptr[0] = name_len + 1;
936
937 memcpy(ptr + 2, hdev->dev_name, name_len);
938
ef580372
JH		 939 ptr += (name_len + 2);
940 }
941
bbaf444a 942 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 943 ptr[0] = 2;
944 ptr[1] = EIR_TX_POWER;
945 ptr[2] = (u8) hdev->inq_tx_power;
946
91c4e9b1
MH		 947 ptr += 3;
948 }
949
2b9be137
MH		 950 if (hdev->devid_source > 0) {
951 ptr[0] = 9;
952 ptr[1] = EIR_DEVICE_ID;
953
954 put_unaligned_le16(hdev->devid_source, ptr + 2);
955 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
956 put_unaligned_le16(hdev->devid_product, ptr + 6);
957 put_unaligned_le16(hdev->devid_version, ptr + 8);
958
2b9be137
MH		 959 ptr += 10;
960 }
961
213202ed 962 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 963 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 964 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 965}
966
890ea898 967static void update_eir(struct hci_request *req)
ef580372 968{
890ea898 969 struct hci_dev *hdev = req->hdev;
ef580372
JH		 970 struct hci_cp_write_eir cp;
971
504c8dcd 972 if (!hdev_is_powered(hdev))
890ea898 973 return;
7770c4aa 974
976eb20e 975 if (!lmp_ext_inq_capable(hdev))
890ea898 976 return;
ef580372 977
84bde9d6 978 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 979 return;
ef580372 980
a8b2d5c2 981 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 982 return;
ef580372
JH		 983
984 memset(&cp, 0, sizeof(cp));
985
986 create_eir(hdev, cp.data);
987
988 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 989 return;
ef580372
JH		 990
991 memcpy(hdev->eir, cp.data, sizeof(cp.data));
992
890ea898 993 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 994}
995
996static u8 get_service_classes(struct hci_dev *hdev)
997{
998 struct bt_uuid *uuid;
999 u8 val = 0;
1000
1001 list_for_each_entry(uuid, &hdev->uuids, list)
1002 val |= uuid->svc_hint;
1003
1004 return val;
1005}
1006
890ea898 1007static void update_class(struct hci_request *req)
ef580372 1008{
890ea898 1009 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1010 u8 cod[3];
1011
1012 BT_DBG("%s", hdev->name);
1013
504c8dcd 1014 if (!hdev_is_powered(hdev))
890ea898 1015 return;
7770c4aa 1016
f87ea1da
JH		 1017 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1018 return;
1019
a8b2d5c2 1020 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 1021 return;
ef580372
JH		 1022
1023 cod[0] = hdev->minor_class;
1024 cod[1] = hdev->major_class;
1025 cod[2] = get_service_classes(hdev);
1026
6acd7db4
MH		 1027 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
1028 cod[1] |= 0x20;
1029
ef580372 1030 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1031 return;
ef580372 1032
890ea898 1033 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1034}
1035
a4858cb9 1036static bool get_connectable(struct hci_dev *hdev)
199a2fb1
JH		 1037{
1038 struct pending_cmd *cmd;
199a2fb1
JH		 1039
1040 /* If there's a pending mgmt command the flag will not yet have
1041 * it's final value, so check for this first.
1042 */
1043 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1044 if (cmd) {
1045 struct mgmt_mode *cp = cmd->param;
a4858cb9 1046 return cp->val;
199a2fb1
JH		 1047 }
1048
a4858cb9 1049 return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
199a2fb1
JH		 1050}
1051
0ec5ae84
JH		 1052static void disable_advertising(struct hci_request *req)
1053{
1054 u8 enable = 0x00;
1055
1056 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1057}
1058
199a2fb1
JH		 1059static void enable_advertising(struct hci_request *req)
1060{
1061 struct hci_dev *hdev = req->hdev;
1062 struct hci_cp_le_set_adv_param cp;
8f2a0601 1063 u8 own_addr_type, enable = 0x01;
a4858cb9 1064 bool connectable;
199a2fb1 1065
0ec5ae84
JH		 1066 if (hci_conn_num(hdev, LE_LINK) > 0)
1067 return;
1068
1069 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
1070 disable_advertising(req);
1071
5ce194c4 1072 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1073 * hci_update_random_address knows that it's safe to go ahead
1074 * and write a new random address. The flag will be set back on
1075 * as soon as the SET_ADV_ENABLE HCI command completes.
1076 */
5ce194c4 1077 clear_bit(HCI_LE_ADV, &hdev->dev_flags);
8d97250e 1078
a4858cb9 1079 connectable = get_connectable(hdev);
8f2a0601 1080
a4858cb9
JH		 1081 /* Set require_privacy to true only when non-connectable
1082 * advertising is used. In that case it is fine to use a
1083 * non-resolvable private address.
1084 */
1085 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1086 return;
1087
41c90c18 1088 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1089 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1090 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
a4858cb9 1091 cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
8f2a0601 1092 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1093 cp.channel_map = hdev->le_adv_channel_map;
1094
1095 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1096
1097 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1098}
1099
7d78525d
JH		 1100static void service_cache_off(struct work_struct *work)
1101{
1102 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1103 service_cache.work);
890ea898 1104 struct hci_request req;
7d78525d 1105
a8b2d5c2 1106 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
7d78525d
JH		 1107 return;
1108
890ea898
JH		 1109 hci_req_init(&req, hdev);
1110
7d78525d
JH		 1111 hci_dev_lock(hdev);
1112
890ea898
JH		 1113 update_eir(&req);
1114 update_class(&req);
7d78525d
JH		 1115
1116 hci_dev_unlock(hdev);
890ea898
JH		 1117
1118 hci_req_run(&req, NULL);
7d78525d
JH		 1119}
1120
d6bfd59c
JH		 1121static void rpa_expired(struct work_struct *work)
1122{
1123 struct hci_dev *hdev = container_of(work, struct hci_dev,
1124 rpa_expired.work);
1125 struct hci_request req;
1126
1127 BT_DBG("");
1128
1129 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
1130
0ec5ae84 1131 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
d6bfd59c
JH		 1132 return;
1133
1134 /* The generation of a new RPA and programming it into the
1135 * controller happens in the enable_advertising() function.
1136 */
d6bfd59c 1137 hci_req_init(&req, hdev);
d6bfd59c 1138 enable_advertising(&req);
d6bfd59c
JH		 1139 hci_req_run(&req, NULL);
1140}
1141
6a919082 1142static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1143{
4f87da80 1144 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
6a919082
JH		 1145 return;
1146
4f87da80 1147 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1148 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1149
4f87da80
JH		 1150 /* Non-mgmt controlled devices get this bit set
1151 * implicitly so that pairing works for them, however
1152 * for mgmt we require user-space to explicitly enable
1153 * it
1154 */
b6ae8457 1155 clear_bit(HCI_BONDABLE, &hdev->dev_flags);
7d78525d
JH		 1156}
1157
0f4e68cf 1158static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1159 void *data, u16 data_len)
0381101f 1160{
a38528f1 1161 struct mgmt_rp_read_info rp;
f7b64e69 1162
bdb6d971 1163 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1164
09fd0de5 1165 hci_dev_lock(hdev);
f7b64e69 1166
dc4fe30b
JH		 1167 memset(&rp, 0, sizeof(rp));
1168
69ab39ea 1169 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1170
69ab39ea 1171 rp.version = hdev->hci_ver;
eb55ef07 1172 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1173
1174 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1175 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1176
a38528f1 1177 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1178
dc4fe30b 1179 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1180 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1181
09fd0de5 1182 hci_dev_unlock(hdev);
0381101f 1183
bdb6d971 1184 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
04124681 1185 sizeof(rp));
0381101f
JH		 1186}
1187
eec8d2bc
JH		 1188static void mgmt_pending_free(struct pending_cmd *cmd)
1189{
1190 sock_put(cmd->sk);
c68fb7ff 1191 kfree(cmd->param);
eec8d2bc
JH		 1192 kfree(cmd);
1193}
1194
366a0336 1195static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
04124681
GP		 1196 struct hci_dev *hdev, void *data,
1197 u16 len)
eec8d2bc
JH		 1198{
1199 struct pending_cmd *cmd;
1200
fca20018 1201 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
eec8d2bc 1202 if (!cmd)
366a0336 1203 return NULL;
eec8d2bc
JH		 1204
1205 cmd->opcode = opcode;
2e58ef3e 1206 cmd->index = hdev->id;
eec8d2bc 1207
12b94565 1208 cmd->param = kmalloc(len, GFP_KERNEL);
c68fb7ff 1209 if (!cmd->param) {
eec8d2bc 1210 kfree(cmd);
366a0336 1211 return NULL;
eec8d2bc
JH		 1212 }
1213
8fce6357
SJ		 1214 if (data)
1215 memcpy(cmd->param, data, len);
eec8d2bc
JH		 1216
1217 cmd->sk = sk;
1218 sock_hold(sk);
1219
2e58ef3e 1220 list_add(&cmd->list, &hdev->mgmt_pending);
eec8d2bc 1221
366a0336 1222 return cmd;
eec8d2bc
JH		 1223}
1224
744cf19e 1225static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
8fc9ced3
GP		 1226 void (*cb)(struct pending_cmd *cmd,
1227 void *data),
04124681 1228 void *data)
eec8d2bc 1229{
a3d09356 1230 struct pending_cmd *cmd, *tmp;
eec8d2bc 1231
a3d09356 1232 list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
b24752fe 1233 if (opcode > 0 && cmd->opcode != opcode)
eec8d2bc
JH		 1234 continue;
1235
eec8d2bc
JH		 1236 cb(cmd, data);
1237 }
1238}
1239
a664b5bc 1240static void mgmt_pending_remove(struct pending_cmd *cmd)
73f22f62 1241{
73f22f62
JH		 1242 list_del(&cmd->list);
1243 mgmt_pending_free(cmd);
1244}
1245
69ab39ea 1246static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1247{
69ab39ea 1248 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1249
aee9b218 1250 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
04124681 1251 sizeof(settings));
8680570b
JH		 1252}
1253
8b064a3a
JH		 1254static void clean_up_hci_complete(struct hci_dev *hdev, u8 status)
1255{
1256 BT_DBG("%s status 0x%02x", hdev->name, status);
1257
a3172b7e
JH		 1258 if (hci_conn_count(hdev) == 0) {
1259 cancel_delayed_work(&hdev->power_off);
8b064a3a 1260 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1261 }
8b064a3a
JH		 1262}
1263
23a48093 1264static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1265{
1266 struct hci_dev *hdev = req->hdev;
1267 struct hci_cp_remote_name_req_cancel cp;
1268 struct inquiry_entry *e;
1269
1270 switch (hdev->discovery.state) {
1271 case DISCOVERY_FINDING:
1272 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
1273 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1274 } else {
1275 cancel_delayed_work(&hdev->le_scan_disable);
1276 hci_req_add_le_scan_disable(req);
1277 }
1278
23a48093 1279 return true;
21a60d30
JH		 1280
1281 case DISCOVERY_RESOLVING:
1282 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1283 NAME_PENDING);
1284 if (!e)
23a48093 1285 break;
21a60d30
JH		 1286
1287 bacpy(&cp.bdaddr, &e->data.bdaddr);
1288 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1289 &cp);
1290
23a48093 1291 return true;
21a60d30
JH		 1292
1293 default:
1294 /* Passive scanning */
23a48093 1295 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
21a60d30 1296 hci_req_add_le_scan_disable(req);
23a48093
JH		 1297 return true;
1298 }
1299
21a60d30
JH		 1300 break;
1301 }
23a48093
JH		 1302
1303 return false;
21a60d30
JH		 1304}
1305
8b064a3a
JH		 1306static int clean_up_hci_state(struct hci_dev *hdev)
1307{
1308 struct hci_request req;
1309 struct hci_conn *conn;
23a48093
JH		 1310 bool discov_stopped;
1311 int err;
8b064a3a
JH		 1312
1313 hci_req_init(&req, hdev);
1314
1315 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1316 test_bit(HCI_PSCAN, &hdev->flags)) {
1317 u8 scan = 0x00;
1318 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1319 }
1320
73e082f8 1321 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
8b064a3a
JH		 1322 disable_advertising(&req);
1323
23a48093 1324 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1325
1326 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1327 struct hci_cp_disconnect dc;
c9910d0f
JH		 1328 struct hci_cp_reject_conn_req rej;
1329
1330 switch (conn->state) {
1331 case BT_CONNECTED:
1332 case BT_CONFIG:
1333 dc.handle = cpu_to_le16(conn->handle);
1334 dc.reason = 0x15; /* Terminated due to Power Off */
1335 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1336 break;
1337 case BT_CONNECT:
1338 if (conn->type == LE_LINK)
1339 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1340 0, NULL);
1341 else if (conn->type == ACL_LINK)
1342 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1343 6, &conn->dst);
1344 break;
1345 case BT_CONNECT2:
1346 bacpy(&rej.bdaddr, &conn->dst);
1347 rej.reason = 0x15; /* Terminated due to Power Off */
1348 if (conn->type == ACL_LINK)
1349 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1350 sizeof(rej), &rej);
1351 else if (conn->type == SCO_LINK)
1352 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1353 sizeof(rej), &rej);
1354 break;
1355 }
8b064a3a
JH		 1356 }
1357
23a48093
JH		 1358 err = hci_req_run(&req, clean_up_hci_complete);
1359 if (!err && discov_stopped)
1360 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1361
1362 return err;
8b064a3a
JH		 1363}
1364
bdb6d971 1365static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1366 u16 len)
eec8d2bc 1367{
650f726d 1368 struct mgmt_mode *cp = data;
366a0336 1369 struct pending_cmd *cmd;
4b34ee78 1370 int err;
eec8d2bc 1371
bdb6d971 1372 BT_DBG("request for %s", hdev->name);
eec8d2bc 1373
a7e80f25
JH		 1374 if (cp->val != 0x00 && cp->val != 0x01)
1375 return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1376 MGMT_STATUS_INVALID_PARAMS);
1377
09fd0de5 1378 hci_dev_lock(hdev);
eec8d2bc 1379
87b95ba6
JH		 1380 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
1381 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1382 MGMT_STATUS_BUSY);
1383 goto failed;
1384 }
1385
f0d4b78a
MH		 1386 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
1387 cancel_delayed_work(&hdev->power_off);
1388
1389 if (cp->val) {
a1d70450
JH		 1390 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1391 data, len);
1392 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1393 goto failed;
1394 }
1395 }
1396
4b34ee78 1397 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1398 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1399 goto failed;
1400 }
1401
2e58ef3e 1402 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1403 if (!cmd) {
1404 err = -ENOMEM;
eec8d2bc 1405 goto failed;
366a0336 1406 }
eec8d2bc 1407
8b064a3a 1408 if (cp->val) {
19202573 1409 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1410 err = 0;
1411 } else {
1412 /* Disconnect connections, stop scans, etc */
1413 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1414 if (!err)
1415 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1416 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1417
8b064a3a
JH		 1418 /* ENODATA means there were no HCI commands queued */
1419 if (err == -ENODATA) {
a3172b7e 1420 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1421 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1422 err = 0;
1423 }
1424 }
eec8d2bc
JH		 1425
1426failed:
09fd0de5 1427 hci_dev_unlock(hdev);
366a0336 1428 return err;
eec8d2bc
JH		 1429}
1430
beadb2bd
JH		 1431static int new_settings(struct hci_dev *hdev, struct sock *skip)
1432{
1433 __le32 ev;
1434
1435 ev = cpu_to_le32(get_current_settings(hdev));
1436
1437 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
1438}
1439
91a668b0
JH		 1440int mgmt_new_settings(struct hci_dev *hdev)
1441{
1442 return new_settings(hdev, NULL);
1443}
1444
bd99abdd
JH		 1445struct cmd_lookup {
1446 struct sock *sk;
1447 struct hci_dev *hdev;
1448 u8 mgmt_status;
1449};
1450
1451static void settings_rsp(struct pending_cmd *cmd, void *data)
1452{
1453 struct cmd_lookup *match = data;
1454
1455 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1456
1457 list_del(&cmd->list);
1458
1459 if (match->sk == NULL) {
1460 match->sk = cmd->sk;
1461 sock_hold(match->sk);
1462 }
1463
1464 mgmt_pending_free(cmd);
1465}
1466
1467static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
1468{
1469 u8 *status = data;
1470
1471 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1472 mgmt_pending_remove(cmd);
1473}
1474
e6fe7986
JH		 1475static u8 mgmt_bredr_support(struct hci_dev *hdev)
1476{
1477 if (!lmp_bredr_capable(hdev))
1478 return MGMT_STATUS_NOT_SUPPORTED;
1479 else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1480 return MGMT_STATUS_REJECTED;
1481 else
1482 return MGMT_STATUS_SUCCESS;
1483}
1484
1485static u8 mgmt_le_support(struct hci_dev *hdev)
1486{
1487 if (!lmp_le_capable(hdev))
1488 return MGMT_STATUS_NOT_SUPPORTED;
1489 else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
1490 return MGMT_STATUS_REJECTED;
1491 else
1492 return MGMT_STATUS_SUCCESS;
1493}
1494
bfaf8c9f
JH		 1495static void set_discoverable_complete(struct hci_dev *hdev, u8 status)
1496{
1497 struct pending_cmd *cmd;
1498 struct mgmt_mode *cp;
970ba524 1499 struct hci_request req;
bfaf8c9f
JH		 1500 bool changed;
1501
1502 BT_DBG("status 0x%02x", status);
1503
1504 hci_dev_lock(hdev);
1505
1506 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1507 if (!cmd)
1508 goto unlock;
1509
1510 if (status) {
1511 u8 mgmt_err = mgmt_status(status);
1512 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
310a3d48 1513 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
bfaf8c9f
JH		 1514 goto remove_cmd;
1515 }
1516
1517 cp = cmd->param;
d4462a07 1518 if (cp->val) {
bfaf8c9f
JH		 1519 changed = !test_and_set_bit(HCI_DISCOVERABLE,
1520 &hdev->dev_flags);
d4462a07
MH		 1521
1522 if (hdev->discov_timeout > 0) {
1523 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1524 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1525 to);
1526 }
1527 } else {
bfaf8c9f
JH		 1528 changed = test_and_clear_bit(HCI_DISCOVERABLE,
1529 &hdev->dev_flags);
d4462a07 1530 }
bfaf8c9f
JH		 1531
1532 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1533
1534 if (changed)
1535 new_settings(hdev, cmd->sk);
1536
970ba524
MH		 1537 /* When the discoverable mode gets changed, make sure
1538 * that class of device has the limited discoverable
1539 * bit correctly set.
1540 */
1541 hci_req_init(&req, hdev);
1542 update_class(&req);
1543 hci_req_run(&req, NULL);
1544
bfaf8c9f
JH		 1545remove_cmd:
1546 mgmt_pending_remove(cmd);
1547
1548unlock:
1549 hci_dev_unlock(hdev);
1550}
1551
bdb6d971 1552static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1553 u16 len)
73f22f62 1554{
650f726d 1555 struct mgmt_cp_set_discoverable *cp = data;
366a0336 1556 struct pending_cmd *cmd;
bfaf8c9f 1557 struct hci_request req;
5e5282bb 1558 u16 timeout;
9a43e25f 1559 u8 scan;
73f22f62
JH		 1560 int err;
1561
bdb6d971 1562 BT_DBG("request for %s", hdev->name);
73f22f62 1563
9a43e25f
JH		 1564 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1565 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1566 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
9a43e25f 1567 MGMT_STATUS_REJECTED);
33c525c0 1568
310a3d48 1569 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a7e80f25
JH		 1570 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1571 MGMT_STATUS_INVALID_PARAMS);
1572
1f350c87 1573 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1574
1575 /* Disabling discoverable requires that no timeout is set,
1576 * and enabling limited discoverable requires a timeout.
1577 */
1578 if ((cp->val == 0x00 && timeout > 0) ||
1579 (cp->val == 0x02 && timeout == 0))
bdb6d971 1580 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1581 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1582
09fd0de5 1583 hci_dev_lock(hdev);
73f22f62 1584
5e5282bb 1585 if (!hdev_is_powered(hdev) && timeout > 0) {
bdb6d971 1586 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1587 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1588 goto failed;
1589 }
1590
2e58ef3e 1591 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1592 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1593 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1594 MGMT_STATUS_BUSY);
73f22f62
JH		 1595 goto failed;
1596 }
1597
5e5282bb 1598 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
bdb6d971 1599 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1600 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1601 goto failed;
1602 }
1603
1604 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1605 bool changed = false;
1606
310a3d48
MH		 1607 /* Setting limited discoverable when powered off is
1608 * not a valid operation since it requires a timeout
1609 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1610 */
0224d2fa
JH		 1611 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
1612 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1613 changed = true;
1614 }
1615
5e5282bb 1616 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1617 if (err < 0)
1618 goto failed;
1619
1620 if (changed)
1621 err = new_settings(hdev, sk);
1622
5e5282bb
JH		 1623 goto failed;
1624 }
1625
310a3d48
MH		 1626 /* If the current mode is the same, then just update the timeout
1627 * value with the new value. And if only the timeout gets updated,
1628 * then no need for any HCI transactions.
1629 */
1630 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) &&
1631 (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE,
1632 &hdev->dev_flags)) {
36261547
MH		 1633 cancel_delayed_work(&hdev->discov_off);
1634 hdev->discov_timeout = timeout;
955638ec 1635
36261547
MH		 1636 if (cp->val && hdev->discov_timeout > 0) {
1637 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1638 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1639 to);
955638ec
MH		 1640 }
1641
69ab39ea 1642 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1643 goto failed;
1644 }
1645
2e58ef3e 1646 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1647 if (!cmd) {
1648 err = -ENOMEM;
73f22f62 1649 goto failed;
366a0336 1650 }
73f22f62 1651
310a3d48
MH		 1652 /* Cancel any potential discoverable timeout that might be
1653 * still active and store new timeout value. The arming of
1654 * the timeout happens in the complete handler.
1655 */
1656 cancel_delayed_work(&hdev->discov_off);
1657 hdev->discov_timeout = timeout;
1658
b456f87c
JH		 1659 /* Limited discoverable mode */
1660 if (cp->val == 0x02)
1661 set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1662 else
1663 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1664
bfaf8c9f
JH		 1665 hci_req_init(&req, hdev);
1666
9a43e25f
JH		 1667 /* The procedure for LE-only controllers is much simpler - just
1668 * update the advertising data.
1669 */
1670 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1671 goto update_ad;
1672
73f22f62
JH		 1673 scan = SCAN_PAGE;
1674
310a3d48
MH		 1675 if (cp->val) {
1676 struct hci_cp_write_current_iac_lap hci_cp;
1677
1678 if (cp->val == 0x02) {
1679 /* Limited discoverable mode */
33337dcb 1680 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1681 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1682 hci_cp.iac_lap[1] = 0x8b;
1683 hci_cp.iac_lap[2] = 0x9e;
1684 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1685 hci_cp.iac_lap[4] = 0x8b;
1686 hci_cp.iac_lap[5] = 0x9e;
1687 } else {
1688 /* General discoverable mode */
310a3d48
MH		 1689 hci_cp.num_iac = 1;
1690 hci_cp.iac_lap[0] = 0x33; /* GIAC */
1691 hci_cp.iac_lap[1] = 0x8b;
1692 hci_cp.iac_lap[2] = 0x9e;
1693 }
1694
1695 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
1696 (hci_cp.num_iac * 3) + 1, &hci_cp);
1697
73f22f62 1698 scan |= SCAN_INQUIRY;
310a3d48
MH		 1699 } else {
1700 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1701 }
73f22f62 1702
310a3d48 1703 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 1704
9a43e25f
JH		 1705update_ad:
1706 update_adv_data(&req);
1707
bfaf8c9f 1708 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 1709 if (err < 0)
a664b5bc 1710 mgmt_pending_remove(cmd);
73f22f62
JH		 1711
1712failed:
09fd0de5 1713 hci_dev_unlock(hdev);
73f22f62
JH		 1714 return err;
1715}
1716
406d7804
JH		 1717static void write_fast_connectable(struct hci_request *req, bool enable)
1718{
bd98b996 1719 struct hci_dev *hdev = req->hdev;
406d7804
JH		 1720 struct hci_cp_write_page_scan_activity acp;
1721 u8 type;
1722
547003b1
JH		 1723 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1724 return;
1725
4c01f8b8
JH		 1726 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
1727 return;
1728
406d7804
JH		 1729 if (enable) {
1730 type = PAGE_SCAN_TYPE_INTERLACED;
1731
1732 /* 160 msec page scan interval */
dcf4adbf 1733 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 1734 } else {
1735 type = PAGE_SCAN_TYPE_STANDARD; /* default */
1736
1737 /* default 1.28 sec page scan */
dcf4adbf 1738 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 1739 }
1740
dcf4adbf 1741 acp.window = cpu_to_le16(0x0012);
406d7804 1742
bd98b996
JH		 1743 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
1744 __cpu_to_le16(hdev->page_scan_window) != acp.window)
1745 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
1746 sizeof(acp), &acp);
1747
1748 if (hdev->page_scan_type != type)
1749 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 1750}
1751
2b76f453
JH		 1752static void set_connectable_complete(struct hci_dev *hdev, u8 status)
1753{
1754 struct pending_cmd *cmd;
d7b856f9 1755 struct mgmt_mode *cp;
bc6d2d04 1756 bool conn_changed, discov_changed;
2b76f453
JH		 1757
1758 BT_DBG("status 0x%02x", status);
1759
1760 hci_dev_lock(hdev);
1761
1762 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1763 if (!cmd)
1764 goto unlock;
1765
37438c1f
JH		 1766 if (status) {
1767 u8 mgmt_err = mgmt_status(status);
1768 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1769 goto remove_cmd;
1770 }
1771
d7b856f9 1772 cp = cmd->param;
bc6d2d04
JH		 1773 if (cp->val) {
1774 conn_changed = !test_and_set_bit(HCI_CONNECTABLE,
1775 &hdev->dev_flags);
1776 discov_changed = false;
1777 } else {
1778 conn_changed = test_and_clear_bit(HCI_CONNECTABLE,
1779 &hdev->dev_flags);
1780 discov_changed = test_and_clear_bit(HCI_DISCOVERABLE,
1781 &hdev->dev_flags);
1782 }
d7b856f9 1783
2b76f453
JH		 1784 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1785
bc6d2d04 1786 if (conn_changed || discov_changed) {
d7b856f9 1787 new_settings(hdev, cmd->sk);
bc6d2d04
JH		 1788 if (discov_changed)
1789 mgmt_update_adv_data(hdev);
2b7be33e
JH		 1790 hci_update_background_scan(hdev);
1791 }
d7b856f9 1792
37438c1f 1793remove_cmd:
2b76f453
JH		 1794 mgmt_pending_remove(cmd);
1795
1796unlock:
1797 hci_dev_unlock(hdev);
1798}
1799
e8ba3a1f
JH		 1800static int set_connectable_update_settings(struct hci_dev *hdev,
1801 struct sock *sk, u8 val)
1802{
1803 bool changed = false;
1804 int err;
1805
1806 if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
1807 changed = true;
1808
1809 if (val) {
1810 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1811 } else {
1812 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1813 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1814 }
1815
1816 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1817 if (err < 0)
1818 return err;
1819
562064e6
JH		 1820 if (changed) {
1821 hci_update_background_scan(hdev);
e8ba3a1f 1822 return new_settings(hdev, sk);
562064e6 1823 }
e8ba3a1f
JH		 1824
1825 return 0;
1826}
1827
bdb6d971 1828static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1829 u16 len)
9fbcbb45 1830{
650f726d 1831 struct mgmt_mode *cp = data;
366a0336 1832 struct pending_cmd *cmd;
2b76f453 1833 struct hci_request req;
1987fdc7 1834 u8 scan;
9fbcbb45
JH		 1835 int err;
1836
bdb6d971 1837 BT_DBG("request for %s", hdev->name);
9fbcbb45 1838
1987fdc7
JH		 1839 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1840 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1841 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1987fdc7 1842 MGMT_STATUS_REJECTED);
33c525c0 1843
a7e80f25
JH		 1844 if (cp->val != 0x00 && cp->val != 0x01)
1845 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1846 MGMT_STATUS_INVALID_PARAMS);
1847
09fd0de5 1848 hci_dev_lock(hdev);
9fbcbb45 1849
4b34ee78 1850 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1851 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1852 goto failed;
1853 }
1854
2e58ef3e 1855 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1856 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1857 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
04124681 1858 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1859 goto failed;
1860 }
1861
2e58ef3e 1862 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1863 if (!cmd) {
1864 err = -ENOMEM;
9fbcbb45 1865 goto failed;
366a0336 1866 }
9fbcbb45 1867
9b74246f 1868 hci_req_init(&req, hdev);
9fbcbb45 1869
9a43e25f
JH		 1870 /* If BR/EDR is not enabled and we disable advertising as a
1871 * by-product of disabling connectable, we need to update the
1872 * advertising flags.
1873 */
1874 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
1875 if (!cp->val) {
1876 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1877 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1878 }
1879 update_adv_data(&req);
1880 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 1881 if (cp->val) {
1882 scan = SCAN_PAGE;
1883 } else {
3bd27240
JH		 1884 /* If we don't have any whitelist entries just
1885 * disable all scanning. If there are entries
1886 * and we had both page and inquiry scanning
1887 * enabled then fall back to only page scanning.
1888 * Otherwise no changes are needed.
1889 */
1890 if (list_empty(&hdev->whitelist))
1891 scan = SCAN_DISABLED;
1892 else if (test_bit(HCI_ISCAN, &hdev->flags))
1893 scan = SCAN_PAGE;
1894 else
1895 goto no_scan_update;
9b74246f
JH		 1896
1897 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 1898 hdev->discov_timeout > 0)
9b74246f
JH		 1899 cancel_delayed_work(&hdev->discov_off);
1900 }
2b76f453 1901
9b74246f
JH		 1902 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1903 }
2b76f453 1904
3bd27240 1905no_scan_update:
4c01f8b8
JH		 1906 /* If we're going from non-connectable to connectable or
1907 * vice-versa when fast connectable is enabled ensure that fast
1908 * connectable gets disabled. write_fast_connectable won't do
1909 * anything if the page scan parameters are already what they
1910 * should be.
1911 */
1912 if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
e36a3769
JH		 1913 write_fast_connectable(&req, false);
1914
e8b1202c
JH		 1915 /* Update the advertising parameters if necessary */
1916 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
1987fdc7 1917 enable_advertising(&req);
1987fdc7 1918
2b76f453 1919 err = hci_req_run(&req, set_connectable_complete);
9b74246f 1920 if (err < 0) {
a664b5bc 1921 mgmt_pending_remove(cmd);
9b74246f 1922 if (err == -ENODATA)
a81070ba
JH		 1923 err = set_connectable_update_settings(hdev, sk,
1924 cp->val);
9b74246f
JH		 1925 goto failed;
1926 }
9fbcbb45
JH		 1927
1928failed:
09fd0de5 1929 hci_dev_unlock(hdev);
9fbcbb45
JH		 1930 return err;
1931}
1932
b2939475 1933static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1934 u16 len)
c542a06c 1935{
650f726d 1936 struct mgmt_mode *cp = data;
55594356 1937 bool changed;
c542a06c
JH		 1938 int err;
1939
bdb6d971 1940 BT_DBG("request for %s", hdev->name);
c542a06c 1941
a7e80f25 1942 if (cp->val != 0x00 && cp->val != 0x01)
b2939475 1943 return cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
a7e80f25
JH		 1944 MGMT_STATUS_INVALID_PARAMS);
1945
09fd0de5 1946 hci_dev_lock(hdev);
c542a06c
JH		 1947
1948 if (cp->val)
b6ae8457 1949 changed = !test_and_set_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1950 else
b6ae8457 1951 changed = test_and_clear_bit(HCI_BONDABLE, &hdev->dev_flags);
c542a06c 1952
b2939475 1953 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 1954 if (err < 0)
55594356 1955 goto unlock;
c542a06c 1956
55594356
MH		 1957 if (changed)
1958 err = new_settings(hdev, sk);
c542a06c 1959
55594356 1960unlock:
09fd0de5 1961 hci_dev_unlock(hdev);
c542a06c
JH		 1962 return err;
1963}
1964
04124681
GP		 1965static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1966 u16 len)
33ef95ed
JH		 1967{
1968 struct mgmt_mode *cp = data;
1969 struct pending_cmd *cmd;
e6fe7986 1970 u8 val, status;
33ef95ed
JH		 1971 int err;
1972
bdb6d971 1973 BT_DBG("request for %s", hdev->name);
33ef95ed 1974
e6fe7986
JH		 1975 status = mgmt_bredr_support(hdev);
1976 if (status)
33c525c0 1977 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
e6fe7986 1978 status);
33c525c0 1979
a7e80f25
JH		 1980 if (cp->val != 0x00 && cp->val != 0x01)
1981 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1982 MGMT_STATUS_INVALID_PARAMS);
1983
33ef95ed
JH		 1984 hci_dev_lock(hdev);
1985
4b34ee78 1986 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1987 bool changed = false;
1988
1989 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
8ce8e2b5 1990 &hdev->dev_flags)) {
47990ea0
JH		 1991 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1992 changed = true;
1993 }
1994
1995 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1996 if (err < 0)
1997 goto failed;
1998
1999 if (changed)
2000 err = new_settings(hdev, sk);
2001
33ef95ed
JH		 2002 goto failed;
2003 }
2004
2005 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
bdb6d971 2006 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
04124681 2007 MGMT_STATUS_BUSY);
33ef95ed
JH		 2008 goto failed;
2009 }
2010
2011 val = !!cp->val;
2012
2013 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2014 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2015 goto failed;
2016 }
2017
2018 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2019 if (!cmd) {
2020 err = -ENOMEM;
2021 goto failed;
2022 }
2023
2024 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2025 if (err < 0) {
2026 mgmt_pending_remove(cmd);
2027 goto failed;
2028 }
2029
2030failed:
2031 hci_dev_unlock(hdev);
33ef95ed
JH		 2032 return err;
2033}
2034
bdb6d971 2035static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2036{
2037 struct mgmt_mode *cp = data;
2038 struct pending_cmd *cmd;
72ef0c1a 2039 u8 status;
ed2c4ee3
JH		 2040 int err;
2041
bdb6d971 2042 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2043
cdba5281
MH		 2044 status = mgmt_bredr_support(hdev);
2045 if (status)
2046 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
2047
13ecd8b6
JH		 2048 if (!lmp_ssp_capable(hdev))
2049 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2050 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2051
a7e80f25
JH		 2052 if (cp->val != 0x00 && cp->val != 0x01)
2053 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2054 MGMT_STATUS_INVALID_PARAMS);
2055
13ecd8b6 2056 hci_dev_lock(hdev);
6c8f12c1 2057
4b34ee78 2058 if (!hdev_is_powered(hdev)) {
9ecb3e24 2059 bool changed;
c0ecddc2 2060
9ecb3e24
MH		 2061 if (cp->val) {
2062 changed = !test_and_set_bit(HCI_SSP_ENABLED,
2063 &hdev->dev_flags);
2064 } else {
2065 changed = test_and_clear_bit(HCI_SSP_ENABLED,
2066 &hdev->dev_flags);
2067 if (!changed)
2068 changed = test_and_clear_bit(HCI_HS_ENABLED,
2069 &hdev->dev_flags);
2070 else
2071 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
c0ecddc2
JH		 2072 }
2073
2074 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2075 if (err < 0)
2076 goto failed;
2077
2078 if (changed)
2079 err = new_settings(hdev, sk);
2080
ed2c4ee3
JH		 2081 goto failed;
2082 }
2083
9ecb3e24
MH		 2084 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) ||
2085 mgmt_pending_find(MGMT_OP_SET_HS, hdev)) {
d97dcb66
SJ		 2086 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2087 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2088 goto failed;
2089 }
2090
72ef0c1a 2091 if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
ed2c4ee3
JH		 2092 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2093 goto failed;
2094 }
2095
2096 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2097 if (!cmd) {
2098 err = -ENOMEM;
2099 goto failed;
2100 }
2101
3769972b
JH		 2102 if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
2103 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2104 sizeof(cp->val), &cp->val);
2105
72ef0c1a 2106 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2107 if (err < 0) {
2108 mgmt_pending_remove(cmd);
2109 goto failed;
2110 }
2111
2112failed:
2113 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2114 return err;
2115}
2116
bdb6d971 2117static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2118{
2119 struct mgmt_mode *cp = data;
ee392693 2120 bool changed;
e6fe7986 2121 u8 status;
ee392693 2122 int err;
6d80dfd0 2123
bdb6d971 2124 BT_DBG("request for %s", hdev->name);
6d80dfd0 2125
e6fe7986
JH		 2126 status = mgmt_bredr_support(hdev);
2127 if (status)
2128 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2129
9ecb3e24
MH		 2130 if (!lmp_ssp_capable(hdev))
2131 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2132 MGMT_STATUS_NOT_SUPPORTED);
2133
2134 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
2135 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2136 MGMT_STATUS_REJECTED);
2137
a7e80f25
JH		 2138 if (cp->val != 0x00 && cp->val != 0x01)
2139 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2140 MGMT_STATUS_INVALID_PARAMS);
2141
ee392693
MH		 2142 hci_dev_lock(hdev);
2143
a0cdf960 2144 if (cp->val) {
ee392693 2145 changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960
MH		 2146 } else {
2147 if (hdev_is_powered(hdev)) {
2148 err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2149 MGMT_STATUS_REJECTED);
2150 goto unlock;
2151 }
2152
ee392693 2153 changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960 2154 }
ee392693
MH		 2155
2156 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2157 if (err < 0)
2158 goto unlock;
2159
2160 if (changed)
2161 err = new_settings(hdev, sk);
6d80dfd0 2162
ee392693
MH		 2163unlock:
2164 hci_dev_unlock(hdev);
2165 return err;
6d80dfd0
JH		 2166}
2167
416a4ae5
JH		 2168static void le_enable_complete(struct hci_dev *hdev, u8 status)
2169{
2170 struct cmd_lookup match = { NULL, hdev };
2171
2172 if (status) {
2173 u8 mgmt_err = mgmt_status(status);
2174
2175 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2176 &mgmt_err);
2177 return;
2178 }
2179
2180 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2181
2182 new_settings(hdev, match.sk);
2183
2184 if (match.sk)
2185 sock_put(match.sk);
441ad2d0
MH		 2186
2187 /* Make sure the controller has a good default for
2188 * advertising data. Restrict the update to when LE
2189 * has actually been enabled. During power on, the
2190 * update in powered_update_hci will take care of it.
2191 */
2192 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2193 struct hci_request req;
2194
2195 hci_dev_lock(hdev);
2196
2197 hci_req_init(&req, hdev);
5947f4bc 2198 update_adv_data(&req);
f14d8f64 2199 update_scan_rsp_data(&req);
441ad2d0
MH		 2200 hci_req_run(&req, NULL);
2201
a70f4b5f
JH		 2202 hci_update_background_scan(hdev);
2203
441ad2d0
MH		 2204 hci_dev_unlock(hdev);
2205 }
416a4ae5
JH		 2206}
2207
bdb6d971 2208static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2209{
2210 struct mgmt_mode *cp = data;
2211 struct hci_cp_write_le_host_supported hci_cp;
2212 struct pending_cmd *cmd;
416a4ae5 2213 struct hci_request req;
06199cf8 2214 int err;
0b60eba1 2215 u8 val, enabled;
06199cf8 2216
bdb6d971 2217 BT_DBG("request for %s", hdev->name);
06199cf8 2218
13ecd8b6
JH		 2219 if (!lmp_le_capable(hdev))
2220 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2221 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2222
a7e80f25
JH		 2223 if (cp->val != 0x00 && cp->val != 0x01)
2224 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2225 MGMT_STATUS_INVALID_PARAMS);
2226
c73eee91 2227 /* LE-only devices do not allow toggling LE on/off */
56f87901 2228 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
c73eee91
JH		 2229 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2230 MGMT_STATUS_REJECTED);
2231
13ecd8b6 2232 hci_dev_lock(hdev);
06199cf8
JH		 2233
2234 val = !!cp->val;
ffa88e02 2235 enabled = lmp_host_le_capable(hdev);
06199cf8 2236
0b60eba1 2237 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2238 bool changed = false;
2239
2240 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2241 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
2242 changed = true;
2243 }
2244
f3d3444a
JH		 2245 if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
2246 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
eeca6f89
JH		 2247 changed = true;
2248 }
2249
06199cf8
JH		 2250 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2251 if (err < 0)
1de028ce 2252 goto unlock;
06199cf8
JH		 2253
2254 if (changed)
2255 err = new_settings(hdev, sk);
2256
1de028ce 2257 goto unlock;
06199cf8
JH		 2258 }
2259
4375f103
JH		 2260 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) ||
2261 mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
bdb6d971 2262 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
04124681 2263 MGMT_STATUS_BUSY);
1de028ce 2264 goto unlock;
06199cf8
JH		 2265 }
2266
2267 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2268 if (!cmd) {
2269 err = -ENOMEM;
1de028ce 2270 goto unlock;
06199cf8
JH		 2271 }
2272
441ad2d0
MH		 2273 hci_req_init(&req, hdev);
2274
06199cf8
JH		 2275 memset(&hci_cp, 0, sizeof(hci_cp));
2276
2277 if (val) {
2278 hci_cp.le = val;
32226e4f 2279 hci_cp.simul = 0x00;
441ad2d0 2280 } else {
73e082f8 2281 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
441ad2d0 2282 disable_advertising(&req);
06199cf8
JH		 2283 }
2284
416a4ae5
JH		 2285 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2286 &hci_cp);
2287
2288 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2289 if (err < 0)
06199cf8 2290 mgmt_pending_remove(cmd);
06199cf8 2291
1de028ce
JH		 2292unlock:
2293 hci_dev_unlock(hdev);
06199cf8
JH		 2294 return err;
2295}
2296
0cab9c80
JH		 2297/* This is a helper function to test for pending mgmt commands that can
2298 * cause CoD or EIR HCI commands. We can only allow one such pending
2299 * mgmt command at a time since otherwise we cannot easily track what
2300 * the current values are, will be, and based on that calculate if a new
2301 * HCI command needs to be sent and if yes with what value.
2302 */
2303static bool pending_eir_or_class(struct hci_dev *hdev)
2304{
2305 struct pending_cmd *cmd;
2306
2307 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2308 switch (cmd->opcode) {
2309 case MGMT_OP_ADD_UUID:
2310 case MGMT_OP_REMOVE_UUID:
2311 case MGMT_OP_SET_DEV_CLASS:
2312 case MGMT_OP_SET_POWERED:
2313 return true;
2314 }
2315 }
2316
2317 return false;
2318}
2319
83be8eca
JH		 2320static const u8 bluetooth_base_uuid[] = {
2321 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2322 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2323};
2324
2325static u8 get_uuid_size(const u8 *uuid)
2326{
2327 u32 val;
2328
2329 if (memcmp(uuid, bluetooth_base_uuid, 12))
2330 return 128;
2331
2332 val = get_unaligned_le32(&uuid[12]);
2333 if (val > 0xffff)
2334 return 32;
2335
2336 return 16;
2337}
2338
92da6097
JH		 2339static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2340{
2341 struct pending_cmd *cmd;
2342
2343 hci_dev_lock(hdev);
2344
2345 cmd = mgmt_pending_find(mgmt_op, hdev);
2346 if (!cmd)
2347 goto unlock;
2348
2349 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
2350 hdev->dev_class, 3);
2351
2352 mgmt_pending_remove(cmd);
2353
2354unlock:
2355 hci_dev_unlock(hdev);
2356}
2357
2358static void add_uuid_complete(struct hci_dev *hdev, u8 status)
2359{
2360 BT_DBG("status 0x%02x", status);
2361
2362 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2363}
2364
bdb6d971 2365static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2366{
650f726d 2367 struct mgmt_cp_add_uuid *cp = data;
90e70454 2368 struct pending_cmd *cmd;
890ea898 2369 struct hci_request req;
2aeb9a1a 2370 struct bt_uuid *uuid;
2aeb9a1a
JH		 2371 int err;
2372
bdb6d971 2373 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2374
09fd0de5 2375 hci_dev_lock(hdev);
2aeb9a1a 2376
0cab9c80 2377 if (pending_eir_or_class(hdev)) {
bdb6d971 2378 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
04124681 2379 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2380 goto failed;
2381 }
2382
92c4c204 2383 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2384 if (!uuid) {
2385 err = -ENOMEM;
2386 goto failed;
2387 }
2388
2389 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2390 uuid->svc_hint = cp->svc_hint;
83be8eca 2391 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2392
de66aa63 2393 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2394
890ea898 2395 hci_req_init(&req, hdev);
1aff6f09 2396
890ea898
JH		 2397 update_class(&req);
2398 update_eir(&req);
2399
92da6097
JH		 2400 err = hci_req_run(&req, add_uuid_complete);
2401 if (err < 0) {
2402 if (err != -ENODATA)
2403 goto failed;
80a1e1db 2404
bdb6d971 2405 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
04124681 2406 hdev->dev_class, 3);
90e70454
JH		 2407 goto failed;
2408 }
2409
2410 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2411 if (!cmd) {
90e70454 2412 err = -ENOMEM;
890ea898
JH		 2413 goto failed;
2414 }
2415
2416 err = 0;
2aeb9a1a
JH		 2417
2418failed:
09fd0de5 2419 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2420 return err;
2421}
2422
24b78d0f
JH		 2423static bool enable_service_cache(struct hci_dev *hdev)
2424{
2425 if (!hdev_is_powered(hdev))
2426 return false;
2427
2428 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
46818ed5
JH		 2429 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2430 CACHE_TIMEOUT);
24b78d0f
JH		 2431 return true;
2432 }
2433
2434 return false;
2435}
2436
92da6097
JH		 2437static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
2438{
2439 BT_DBG("status 0x%02x", status);
2440
2441 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2442}
2443
bdb6d971 2444static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2445 u16 len)
2aeb9a1a 2446{
650f726d 2447 struct mgmt_cp_remove_uuid *cp = data;
90e70454 2448 struct pending_cmd *cmd;
056341c8 2449 struct bt_uuid *match, *tmp;
2aeb9a1a 2450 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2451 struct hci_request req;
2aeb9a1a
JH		 2452 int err, found;
2453
bdb6d971 2454 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2455
09fd0de5 2456 hci_dev_lock(hdev);
2aeb9a1a 2457
0cab9c80 2458 if (pending_eir_or_class(hdev)) {
bdb6d971 2459 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2460 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2461 goto unlock;
2462 }
2463
2aeb9a1a 2464 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2465 hci_uuids_clear(hdev);
4004b6d9 2466
24b78d0f 2467 if (enable_service_cache(hdev)) {
bdb6d971 2468 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2469 0, hdev->dev_class, 3);
24b78d0f
JH		 2470 goto unlock;
2471 }
4004b6d9 2472
9246a869 2473 goto update_class;
2aeb9a1a
JH		 2474 }
2475
2476 found = 0;
2477
056341c8 2478 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2479 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2480 continue;
2481
2482 list_del(&match->list);
482049f7 2483 kfree(match);
2aeb9a1a
JH		 2484 found++;
2485 }
2486
2487 if (found == 0) {
bdb6d971 2488 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2489 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2490 goto unlock;
2491 }
2492
9246a869 2493update_class:
890ea898 2494 hci_req_init(&req, hdev);
1aff6f09 2495
890ea898
JH		 2496 update_class(&req);
2497 update_eir(&req);
2498
92da6097
JH		 2499 err = hci_req_run(&req, remove_uuid_complete);
2500 if (err < 0) {
2501 if (err != -ENODATA)
2502 goto unlock;
80a1e1db 2503
bdb6d971 2504 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
04124681 2505 hdev->dev_class, 3);
90e70454
JH		 2506 goto unlock;
2507 }
2508
2509 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2510 if (!cmd) {
90e70454 2511 err = -ENOMEM;
890ea898
JH		 2512 goto unlock;
2513 }
2514
2515 err = 0;
2aeb9a1a
JH		 2516
2517unlock:
09fd0de5 2518 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2519 return err;
2520}
2521
92da6097
JH		 2522static void set_class_complete(struct hci_dev *hdev, u8 status)
2523{
2524 BT_DBG("status 0x%02x", status);
2525
2526 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2527}
2528
bdb6d971 2529static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2530 u16 len)
1aff6f09 2531{
650f726d 2532 struct mgmt_cp_set_dev_class *cp = data;
90e70454 2533 struct pending_cmd *cmd;
890ea898 2534 struct hci_request req;
1aff6f09
JH		 2535 int err;
2536
bdb6d971 2537 BT_DBG("request for %s", hdev->name);
1aff6f09 2538
6203fc98 2539 if (!lmp_bredr_capable(hdev))
13ecd8b6
JH		 2540 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2541 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2542
0cab9c80 2543 hci_dev_lock(hdev);
ee98f473 2544
0cab9c80
JH		 2545 if (pending_eir_or_class(hdev)) {
2546 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2547 MGMT_STATUS_BUSY);
2548 goto unlock;
2549 }
c95f0ba7 2550
0cab9c80
JH		 2551 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2552 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2553 MGMT_STATUS_INVALID_PARAMS);
2554 goto unlock;
2555 }
575b3a02 2556
932f5ff5
JH		 2557 hdev->major_class = cp->major;
2558 hdev->minor_class = cp->minor;
2559
b5235a65 2560 if (!hdev_is_powered(hdev)) {
bdb6d971 2561 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2562 hdev->dev_class, 3);
b5235a65
JH		 2563 goto unlock;
2564 }
2565
890ea898
JH		 2566 hci_req_init(&req, hdev);
2567
a8b2d5c2 2568 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
7d78525d
JH		 2569 hci_dev_unlock(hdev);
2570 cancel_delayed_work_sync(&hdev->service_cache);
2571 hci_dev_lock(hdev);
890ea898 2572 update_eir(&req);
7d78525d 2573 }
14c0b608 2574
890ea898
JH		 2575 update_class(&req);
2576
92da6097
JH		 2577 err = hci_req_run(&req, set_class_complete);
2578 if (err < 0) {
2579 if (err != -ENODATA)
2580 goto unlock;
1aff6f09 2581
bdb6d971 2582 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2583 hdev->dev_class, 3);
90e70454
JH		 2584 goto unlock;
2585 }
2586
2587 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2588 if (!cmd) {
90e70454 2589 err = -ENOMEM;
890ea898
JH		 2590 goto unlock;
2591 }
2592
2593 err = 0;
1aff6f09 2594
b5235a65 2595unlock:
09fd0de5 2596 hci_dev_unlock(hdev);
1aff6f09
JH		 2597 return err;
2598}
2599
bdb6d971 2600static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2601 u16 len)
55ed8ca1 2602{
650f726d 2603 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2604 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2605 sizeof(struct mgmt_link_key_info));
4e51eae9 2606 u16 key_count, expected_len;
b1de97d8 2607 bool changed;
a492cd52 2608 int i;
55ed8ca1 2609
9060d5cf
MH		 2610 BT_DBG("request for %s", hdev->name);
2611
2612 if (!lmp_bredr_capable(hdev))
2613 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2614 MGMT_STATUS_NOT_SUPPORTED);
2615
1f350c87 2616 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2617 if (key_count > max_key_count) {
2618 BT_ERR("load_link_keys: too big key_count value %u",
2619 key_count);
2620 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2621 MGMT_STATUS_INVALID_PARAMS);
2622 }
55ed8ca1 2623
86742e1e
JH		 2624 expected_len = sizeof(*cp) + key_count *
2625 sizeof(struct mgmt_link_key_info);
a492cd52 2626 if (expected_len != len) {
86742e1e 2627 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2628 expected_len, len);
bdb6d971 2629 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
04124681 2630 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2631 }
2632
4ae14301
JH		 2633 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2634 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2635 MGMT_STATUS_INVALID_PARAMS);
2636
bdb6d971 2637 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2638 key_count);
55ed8ca1 2639
4ee71b20
JH		 2640 for (i = 0; i < key_count; i++) {
2641 struct mgmt_link_key_info *key = &cp->keys[i];
2642
8e991132 2643 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
4ee71b20
JH		 2644 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2645 MGMT_STATUS_INVALID_PARAMS);
2646 }
2647
09fd0de5 2648 hci_dev_lock(hdev);
55ed8ca1
JH		 2649
2650 hci_link_keys_clear(hdev);
2651
55ed8ca1 2652 if (cp->debug_keys)
0663b297
JH		 2653 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
2654 &hdev->dev_flags);
55ed8ca1 2655 else
0663b297
JH		 2656 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
2657 &hdev->dev_flags);
b1de97d8
MH		 2658
2659 if (changed)
2660 new_settings(hdev, NULL);
55ed8ca1 2661
a492cd52 2662 for (i = 0; i < key_count; i++) {
86742e1e 2663 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2664
58e9293c
JH		 2665 /* Always ignore debug keys and require a new pairing if
2666 * the user wants to use them.
2667 */
2668 if (key->type == HCI_LK_DEBUG_COMBINATION)
2669 continue;
2670
7652ff6a
JH		 2671 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2672 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2673 }
2674
bdb6d971 2675 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2676
09fd0de5 2677 hci_dev_unlock(hdev);
55ed8ca1 2678
a492cd52 2679 return 0;
55ed8ca1
JH		 2680}
2681
b1078ad0 2682static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2683 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2684{
2685 struct mgmt_ev_device_unpaired ev;
2686
2687 bacpy(&ev.addr.bdaddr, bdaddr);
2688 ev.addr.type = addr_type;
2689
2690 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2691 skip_sk);
b1078ad0
JH		 2692}
2693
bdb6d971 2694static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2695 u16 len)
55ed8ca1 2696{
124f6e35
JH		 2697 struct mgmt_cp_unpair_device *cp = data;
2698 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 2699 struct hci_cp_disconnect dc;
2700 struct pending_cmd *cmd;
55ed8ca1 2701 struct hci_conn *conn;
55ed8ca1
JH		 2702 int err;
2703
a8a1d19e 2704 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2705 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2706 rp.addr.type = cp->addr.type;
a8a1d19e 2707
4ee71b20
JH		 2708 if (!bdaddr_type_is_valid(cp->addr.type))
2709 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2710 MGMT_STATUS_INVALID_PARAMS,
2711 &rp, sizeof(rp));
2712
118da70b
JH		 2713 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2714 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2715 MGMT_STATUS_INVALID_PARAMS,
2716 &rp, sizeof(rp));
2717
4ee71b20
JH		 2718 hci_dev_lock(hdev);
2719
86a8cfc6 2720 if (!hdev_is_powered(hdev)) {
bdb6d971 2721 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2722 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
86a8cfc6
JH		 2723 goto unlock;
2724 }
2725
e0b2b27e 2726 if (cp->addr.type == BDADDR_BREDR) {
124f6e35 2727 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 2728 } else {
2729 u8 addr_type;
2730
2731 if (cp->addr.type == BDADDR_LE_PUBLIC)
2732 addr_type = ADDR_LE_DEV_PUBLIC;
2733 else
2734 addr_type = ADDR_LE_DEV_RANDOM;
2735
a7ec7338
JH		 2736 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2737
a9b0a04c
AG		 2738 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2739
e0b2b27e
JH		 2740 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2741 }
b0dbfb46 2742
55ed8ca1 2743 if (err < 0) {
bdb6d971 2744 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2745 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH		 2746 goto unlock;
2747 }
2748
86a8cfc6 2749 if (cp->disconnect) {
591f47f3 2750 if (cp->addr.type == BDADDR_BREDR)
86a8cfc6 2751 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
8ce8e2b5 2752 &cp->addr.bdaddr);
86a8cfc6
JH		 2753 else
2754 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
8ce8e2b5 2755 &cp->addr.bdaddr);
86a8cfc6
JH		 2756 } else {
2757 conn = NULL;
2758 }
124f6e35 2759
a8a1d19e 2760 if (!conn) {
bdb6d971 2761 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 2762 &rp, sizeof(rp));
b1078ad0 2763 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2764 goto unlock;
2765 }
55ed8ca1 2766
124f6e35 2767 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2768 sizeof(*cp));
a8a1d19e
JH		 2769 if (!cmd) {
2770 err = -ENOMEM;
2771 goto unlock;
55ed8ca1
JH		 2772 }
2773
eb55ef07 2774 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 2775 dc.reason = 0x13; /* Remote User Terminated Connection */
2776 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2777 if (err < 0)
2778 mgmt_pending_remove(cmd);
2779
55ed8ca1 2780unlock:
09fd0de5 2781 hci_dev_unlock(hdev);
55ed8ca1
JH		 2782 return err;
2783}
2784
bdb6d971 2785static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2786 u16 len)
8962ee74 2787{
650f726d 2788 struct mgmt_cp_disconnect *cp = data;
06a63b19 2789 struct mgmt_rp_disconnect rp;
8962ee74 2790 struct hci_cp_disconnect dc;
366a0336 2791 struct pending_cmd *cmd;
8962ee74 2792 struct hci_conn *conn;
8962ee74
JH		 2793 int err;
2794
2795 BT_DBG("");
2796
06a63b19
JH		 2797 memset(&rp, 0, sizeof(rp));
2798 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2799 rp.addr.type = cp->addr.type;
2800
4ee71b20 2801 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH		 2802 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2803 MGMT_STATUS_INVALID_PARAMS,
2804 &rp, sizeof(rp));
4ee71b20 2805
09fd0de5 2806 hci_dev_lock(hdev);
8962ee74
JH		 2807
2808 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH		 2809 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2810 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH		 2811 goto failed;
2812 }
2813
2e58ef3e 2814 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH		 2815 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2816 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2817 goto failed;
2818 }
2819
591f47f3 2820 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2821 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2822 &cp->addr.bdaddr);
88c3df13
JH		 2823 else
2824 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 2825
f960727e 2826 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH		 2827 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2828 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH		 2829 goto failed;
2830 }
2831
2e58ef3e 2832 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2833 if (!cmd) {
2834 err = -ENOMEM;
8962ee74 2835 goto failed;
366a0336 2836 }
8962ee74 2837
eb55ef07 2838 dc.handle = cpu_to_le16(conn->handle);
3701f944 2839 dc.reason = HCI_ERROR_REMOTE_USER_TERM;
8962ee74
JH		 2840
2841 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2842 if (err < 0)
a664b5bc 2843 mgmt_pending_remove(cmd);
8962ee74
JH		 2844
2845failed:
09fd0de5 2846 hci_dev_unlock(hdev);
8962ee74
JH		 2847 return err;
2848}
2849
57c1477c 2850static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2851{
2852 switch (link_type) {
2853 case LE_LINK:
48264f06
JH		 2854 switch (addr_type) {
2855 case ADDR_LE_DEV_PUBLIC:
591f47f3 2856 return BDADDR_LE_PUBLIC;
0ed09148 2857
48264f06 2858 default:
0ed09148 2859 /* Fallback to LE Random address type */
591f47f3 2860 return BDADDR_LE_RANDOM;
48264f06 2861 }
0ed09148 2862
4c659c39 2863 default:
0ed09148 2864 /* Fallback to BR/EDR type */
591f47f3 2865 return BDADDR_BREDR;
4c659c39
JH		 2866 }
2867}
2868
04124681
GP		 2869static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2870 u16 data_len)
2784eb41 2871{
2784eb41 2872 struct mgmt_rp_get_connections *rp;
8035ded4 2873 struct hci_conn *c;
a38528f1 2874 size_t rp_len;
60fc5fb6
JH		 2875 int err;
2876 u16 i;
2784eb41
JH		 2877
2878 BT_DBG("");
2879
09fd0de5 2880 hci_dev_lock(hdev);
2784eb41 2881
5f97c1df 2882 if (!hdev_is_powered(hdev)) {
bdb6d971 2883 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 2884 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2885 goto unlock;
2886 }
2887
60fc5fb6 2888 i = 0;
b644ba33
JH		 2889 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2890 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2891 i++;
2784eb41
JH		 2892 }
2893
60fc5fb6 2894 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2895 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2896 if (!rp) {
2784eb41
JH		 2897 err = -ENOMEM;
2898 goto unlock;
2899 }
2900
2784eb41 2901 i = 0;
4c659c39 2902 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2903 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2904 continue;
4c659c39 2905 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2906 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2907 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2908 continue;
2909 i++;
2910 }
2911
eb55ef07 2912 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2913
4c659c39
JH		 2914 /* Recalculate length in case of filtered SCO connections, etc */
2915 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2916
bdb6d971 2917 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 2918 rp_len);
2784eb41 2919
a38528f1 2920 kfree(rp);
5f97c1df
JH		 2921
2922unlock:
09fd0de5 2923 hci_dev_unlock(hdev);
2784eb41
JH		 2924 return err;
2925}
2926
bdb6d971 2927static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2928 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR		 2929{
2930 struct pending_cmd *cmd;
2931 int err;
2932
2e58ef3e 2933 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2934 sizeof(*cp));
96d97a67
WR		 2935 if (!cmd)
2936 return -ENOMEM;
2937
d8457698 2938 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2939 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2940 if (err < 0)
2941 mgmt_pending_remove(cmd);
2942
2943 return err;
2944}
2945
bdb6d971 2946static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2947 u16 len)
980e1a53 2948{
96d97a67 2949 struct hci_conn *conn;
650f726d 2950 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2951 struct hci_cp_pin_code_reply reply;
366a0336 2952 struct pending_cmd *cmd;
980e1a53
JH		 2953 int err;
2954
2955 BT_DBG("");
2956
09fd0de5 2957 hci_dev_lock(hdev);
980e1a53 2958
4b34ee78 2959 if (!hdev_is_powered(hdev)) {
bdb6d971 2960 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2961 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2962 goto failed;
2963 }
2964
d8457698 2965 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2966 if (!conn) {
bdb6d971 2967 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2968 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2969 goto failed;
2970 }
2971
2972 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2973 struct mgmt_cp_pin_code_neg_reply ncp;
2974
2975 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2976
2977 BT_ERR("PIN code is not 16 bytes long");
2978
bdb6d971 2979 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2980 if (err >= 0)
bdb6d971 2981 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2982 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 2983
2984 goto failed;
2985 }
2986
00abfe44 2987 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 2988 if (!cmd) {
2989 err = -ENOMEM;
980e1a53 2990 goto failed;
366a0336 2991 }
980e1a53 2992
d8457698 2993 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2994 reply.pin_len = cp->pin_len;
24718ca5 2995 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 2996
2997 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2998 if (err < 0)
a664b5bc 2999 mgmt_pending_remove(cmd);
980e1a53
JH		 3000
3001failed:
09fd0de5 3002 hci_dev_unlock(hdev);
980e1a53
JH		 3003 return err;
3004}
3005
04124681
GP		 3006static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3007 u16 len)
17fa4b9d 3008{
650f726d 3009 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3010
3011 BT_DBG("");
3012
4ec86d4c
JH		 3013 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
3014 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3015 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
3016
09fd0de5 3017 hci_dev_lock(hdev);
17fa4b9d
JH		 3018
3019 hdev->io_capability = cp->io_capability;
3020
3021 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3022 hdev->io_capability);
17fa4b9d 3023
09fd0de5 3024 hci_dev_unlock(hdev);
17fa4b9d 3025
04124681
GP		 3026 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
3027 0);
17fa4b9d
JH		 3028}
3029
6039aa73 3030static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3031{
3032 struct hci_dev *hdev = conn->hdev;
8035ded4 3033 struct pending_cmd *cmd;
e9a416b5 3034
2e58ef3e 3035 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3036 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3037 continue;
3038
e9a416b5
JH		 3039 if (cmd->user_data != conn)
3040 continue;
3041
3042 return cmd;
3043 }
3044
3045 return NULL;
3046}
3047
3048static void pairing_complete(struct pending_cmd *cmd, u8 status)
3049{
3050 struct mgmt_rp_pair_device rp;
3051 struct hci_conn *conn = cmd->user_data;
3052
61b1a7fb
JH		 3053 bacpy(&rp.addr.bdaddr, &conn->dst);
3054 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3055
aee9b218 3056 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 3057 &rp, sizeof(rp));
e9a416b5
JH		 3058
3059 /* So we don't get further callbacks for this connection */
3060 conn->connect_cfm_cb = NULL;
3061 conn->security_cfm_cb = NULL;
3062 conn->disconn_cfm_cb = NULL;
3063
76a68ba0 3064 hci_conn_drop(conn);
e9a416b5 3065
a664b5bc 3066 mgmt_pending_remove(cmd);
e9a416b5
JH		 3067}
3068
f4a407be
JH		 3069void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3070{
3071 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3072 struct pending_cmd *cmd;
3073
3074 cmd = find_pairing(conn);
3075 if (cmd)
3076 pairing_complete(cmd, status);
3077}
3078
e9a416b5
JH		 3079static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3080{
3081 struct pending_cmd *cmd;
3082
3083 BT_DBG("status %u", status);
3084
3085 cmd = find_pairing(conn);
56e5cb86 3086 if (!cmd)
e9a416b5 3087 BT_DBG("Unable to find a pending command");
56e5cb86 3088 else
e211326c 3089 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH		 3090}
3091
f4a407be 3092static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739
VA		 3093{
3094 struct pending_cmd *cmd;
3095
3096 BT_DBG("status %u", status);
3097
3098 if (!status)
3099 return;
3100
3101 cmd = find_pairing(conn);
3102 if (!cmd)
3103 BT_DBG("Unable to find a pending command");
3104 else
3105 pairing_complete(cmd, mgmt_status(status));
3106}
3107
bdb6d971 3108static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3109 u16 len)
e9a416b5 3110{
650f726d 3111 struct mgmt_cp_pair_device *cp = data;
1425acb7 3112 struct mgmt_rp_pair_device rp;
e9a416b5
JH		 3113 struct pending_cmd *cmd;
3114 u8 sec_level, auth_type;
3115 struct hci_conn *conn;
e9a416b5
JH		 3116 int err;
3117
3118 BT_DBG("");
3119
f950a30e
SJ		 3120 memset(&rp, 0, sizeof(rp));
3121 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3122 rp.addr.type = cp->addr.type;
3123
4ee71b20
JH		 3124 if (!bdaddr_type_is_valid(cp->addr.type))
3125 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3126 MGMT_STATUS_INVALID_PARAMS,
3127 &rp, sizeof(rp));
3128
4ec86d4c
JH		 3129 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
3130 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3131 MGMT_STATUS_INVALID_PARAMS,
3132 &rp, sizeof(rp));
3133
09fd0de5 3134 hci_dev_lock(hdev);
e9a416b5 3135
5f97c1df 3136 if (!hdev_is_powered(hdev)) {
f950a30e
SJ		 3137 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3138 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH		 3139 goto unlock;
3140 }
3141
c908df36 3142 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3143 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3144
6f77d8c7 3145 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3146 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3147 auth_type);
6f77d8c7
AG		 3148 } else {
3149 u8 addr_type;
3150
3151 /* Convert from L2CAP channel address type to HCI address type
3152 */
3153 if (cp->addr.type == BDADDR_LE_PUBLIC)
3154 addr_type = ADDR_LE_DEV_PUBLIC;
3155 else
3156 addr_type = ADDR_LE_DEV_RANDOM;
3157
7c264b10
MH		 3158 /* When pairing a new device, it is expected to remember
3159 * this device for future connections. Adding the connection
3160 * parameter information ahead of time allows tracking
3161 * of the slave preferred values and will speed up any
3162 * further connection establishment.
3163 *
3164 * If connection parameters already exist, then they
3165 * will be kept and this function does nothing.
3166 */
3167 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3168
6f77d8c7 3169 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
e804d25d
JH		 3170 sec_level, HCI_LE_CONN_TIMEOUT,
3171 HCI_ROLE_MASTER);
6f77d8c7 3172 }
7a512d01 3173
30e76272 3174 if (IS_ERR(conn)) {
489dc48e
AK		 3175 int status;
3176
3177 if (PTR_ERR(conn) == -EBUSY)
3178 status = MGMT_STATUS_BUSY;
3179 else
3180 status = MGMT_STATUS_CONNECT_FAILED;
3181
bdb6d971 3182 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 3183 status, &rp,
04124681 3184 sizeof(rp));
e9a416b5
JH		 3185 goto unlock;
3186 }
3187
3188 if (conn->connect_cfm_cb) {
76a68ba0 3189 hci_conn_drop(conn);
bdb6d971 3190 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 3191 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3192 goto unlock;
3193 }
3194
2e58ef3e 3195 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3196 if (!cmd) {
3197 err = -ENOMEM;
76a68ba0 3198 hci_conn_drop(conn);
e9a416b5
JH		 3199 goto unlock;
3200 }
3201
7a512d01 3202 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3203 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3204 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3205 conn->security_cfm_cb = pairing_complete_cb;
3206 conn->disconn_cfm_cb = pairing_complete_cb;
3207 } else {
3208 conn->connect_cfm_cb = le_pairing_complete_cb;
3209 conn->security_cfm_cb = le_pairing_complete_cb;
3210 conn->disconn_cfm_cb = le_pairing_complete_cb;
3211 }
7a512d01 3212
e9a416b5
JH		 3213 conn->io_capability = cp->io_cap;
3214 cmd->user_data = conn;
3215
6f78fd4b 3216 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
e7cafc45 3217 hci_conn_security(conn, sec_level, auth_type, true))
e9a416b5
JH		 3218 pairing_complete(cmd, 0);
3219
3220 err = 0;
3221
3222unlock:
09fd0de5 3223 hci_dev_unlock(hdev);
e9a416b5
JH		 3224 return err;
3225}
3226
04124681
GP		 3227static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3228 u16 len)
28424707 3229{
0f4e68cf 3230 struct mgmt_addr_info *addr = data;
28424707
JH		 3231 struct pending_cmd *cmd;
3232 struct hci_conn *conn;
3233 int err;
3234
3235 BT_DBG("");
3236
28424707
JH		 3237 hci_dev_lock(hdev);
3238
5f97c1df 3239 if (!hdev_is_powered(hdev)) {
bdb6d971 3240 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3241 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3242 goto unlock;
3243 }
3244
28424707
JH		 3245 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3246 if (!cmd) {
bdb6d971 3247 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3248 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3249 goto unlock;
3250 }
3251
3252 conn = cmd->user_data;
3253
3254 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 3255 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3256 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3257 goto unlock;
3258 }
3259
3260 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
3261
bdb6d971 3262 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 3263 addr, sizeof(*addr));
28424707
JH		 3264unlock:
3265 hci_dev_unlock(hdev);
28424707
JH		 3266 return err;
3267}
3268
bdb6d971 3269static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3270 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3271 u16 hci_op, __le32 passkey)
a5c29683 3272{
a5c29683 3273 struct pending_cmd *cmd;
0df4c185 3274 struct hci_conn *conn;
a5c29683
JH		 3275 int err;
3276
09fd0de5 3277 hci_dev_lock(hdev);
08ba5382 3278
4b34ee78 3279 if (!hdev_is_powered(hdev)) {
feb94d3d
JH		 3280 err = cmd_complete(sk, hdev->id, mgmt_op,
3281 MGMT_STATUS_NOT_POWERED, addr,
3282 sizeof(*addr));
0df4c185 3283 goto done;
a5c29683
JH		 3284 }
3285
1707c60e
JH		 3286 if (addr->type == BDADDR_BREDR)
3287 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3288 else
1707c60e 3289 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3290
3291 if (!conn) {
feb94d3d
JH		 3292 err = cmd_complete(sk, hdev->id, mgmt_op,
3293 MGMT_STATUS_NOT_CONNECTED, addr,
3294 sizeof(*addr));
272d90df
JH		 3295 goto done;
3296 }
47c15e2b 3297
1707c60e 3298 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3299 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3300 if (!err)
feb94d3d
JH		 3301 err = cmd_complete(sk, hdev->id, mgmt_op,
3302 MGMT_STATUS_SUCCESS, addr,
3303 sizeof(*addr));
5fe57d9e 3304 else
feb94d3d
JH		 3305 err = cmd_complete(sk, hdev->id, mgmt_op,
3306 MGMT_STATUS_FAILED, addr,
3307 sizeof(*addr));
47c15e2b 3308
47c15e2b
BG		 3309 goto done;
3310 }
3311
1707c60e 3312 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3313 if (!cmd) {
3314 err = -ENOMEM;
0df4c185 3315 goto done;
a5c29683
JH		 3316 }
3317
0df4c185 3318 /* Continue with pairing via HCI */
604086b7
BG		 3319 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3320 struct hci_cp_user_passkey_reply cp;
3321
1707c60e 3322 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3323 cp.passkey = passkey;
3324 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3325 } else
1707c60e
JH		 3326 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3327 &addr->bdaddr);
604086b7 3328
a664b5bc
JH		 3329 if (err < 0)
3330 mgmt_pending_remove(cmd);
a5c29683 3331
0df4c185 3332done:
09fd0de5 3333 hci_dev_unlock(hdev);
a5c29683
JH		 3334 return err;
3335}
3336
afeb019d
JK		 3337static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3338 void *data, u16 len)
3339{
3340 struct mgmt_cp_pin_code_neg_reply *cp = data;
3341
3342 BT_DBG("");
3343
1707c60e 3344 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3345 MGMT_OP_PIN_CODE_NEG_REPLY,
3346 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3347}
3348
04124681
GP		 3349static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3350 u16 len)
0df4c185 3351{
650f726d 3352 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3353
3354 BT_DBG("");
3355
3356 if (len != sizeof(*cp))
bdb6d971 3357 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 3358 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3359
1707c60e 3360 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3361 MGMT_OP_USER_CONFIRM_REPLY,
3362 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3363}
3364
bdb6d971 3365static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3366 void *data, u16 len)
0df4c185 3367{
c9c2659f 3368 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3369
3370 BT_DBG("");
3371
1707c60e 3372 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3373 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3374 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3375}
3376
04124681
GP		 3377static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3378 u16 len)
604086b7 3379{
650f726d 3380 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3381
3382 BT_DBG("");
3383
1707c60e 3384 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3385 MGMT_OP_USER_PASSKEY_REPLY,
3386 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3387}
3388
bdb6d971 3389static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3390 void *data, u16 len)
604086b7 3391{
650f726d 3392 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3393
3394 BT_DBG("");
3395
1707c60e 3396 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3397 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3398 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3399}
3400
13928971 3401static void update_name(struct hci_request *req)
2b4bf397 3402{
13928971 3403 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3404 struct hci_cp_write_local_name cp;
3405
13928971 3406 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3407
890ea898 3408 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3409}
3410
13928971
JH		 3411static void set_name_complete(struct hci_dev *hdev, u8 status)
3412{
3413 struct mgmt_cp_set_local_name *cp;
3414 struct pending_cmd *cmd;
3415
3416 BT_DBG("status 0x%02x", status);
3417
3418 hci_dev_lock(hdev);
3419
3420 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3421 if (!cmd)
3422 goto unlock;
3423
3424 cp = cmd->param;
3425
3426 if (status)
3427 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3428 mgmt_status(status));
3429 else
3430 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3431 cp, sizeof(*cp));
3432
3433 mgmt_pending_remove(cmd);
3434
3435unlock:
3436 hci_dev_unlock(hdev);
3437}
3438
bdb6d971 3439static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3440 u16 len)
b312b161 3441{
2b4bf397 3442 struct mgmt_cp_set_local_name *cp = data;
b312b161 3443 struct pending_cmd *cmd;
890ea898 3444 struct hci_request req;
b312b161
JH		 3445 int err;
3446
3447 BT_DBG("");
3448
09fd0de5 3449 hci_dev_lock(hdev);
b312b161 3450
b3f2ca94
JH		 3451 /* If the old values are the same as the new ones just return a
3452 * direct command complete event.
3453 */
3454 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3455 !memcmp(hdev->short_name, cp->short_name,
3456 sizeof(hdev->short_name))) {
3457 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3458 data, len);
3459 goto failed;
3460 }
3461
2b4bf397 3462 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3463
b5235a65 3464 if (!hdev_is_powered(hdev)) {
2b4bf397 3465 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH		 3466
3467 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 3468 data, len);
28cc7bde
JH		 3469 if (err < 0)
3470 goto failed;
3471
3472 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 3473 sk);
28cc7bde 3474
b5235a65
JH		 3475 goto failed;
3476 }
3477
28cc7bde 3478 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3479 if (!cmd) {
3480 err = -ENOMEM;
3481 goto failed;
3482 }
3483
13928971
JH		 3484 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3485
890ea898 3486 hci_req_init(&req, hdev);
3f985050
JH		 3487
3488 if (lmp_bredr_capable(hdev)) {
3489 update_name(&req);
3490 update_eir(&req);
3491 }
3492
7a5f4990
MH		 3493 /* The name is stored in the scan response data and so
3494 * no need to udpate the advertising data here.
3495 */
3f985050 3496 if (lmp_le_capable(hdev))
7a5f4990 3497 update_scan_rsp_data(&req);
3f985050 3498
13928971 3499 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3500 if (err < 0)
3501 mgmt_pending_remove(cmd);
3502
3503failed:
09fd0de5 3504 hci_dev_unlock(hdev);
b312b161
JH		 3505 return err;
3506}
3507
0f4e68cf 3508static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3509 void *data, u16 data_len)
c35938b2 3510{
c35938b2
SJ		 3511 struct pending_cmd *cmd;
3512 int err;
3513
bdb6d971 3514 BT_DBG("%s", hdev->name);
c35938b2 3515
09fd0de5 3516 hci_dev_lock(hdev);
c35938b2 3517
4b34ee78 3518 if (!hdev_is_powered(hdev)) {
bdb6d971 3519 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3520 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3521 goto unlock;
3522 }
3523
9a1a1996 3524 if (!lmp_ssp_capable(hdev)) {
bdb6d971 3525 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3526 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3527 goto unlock;
3528 }
3529
2e58ef3e 3530 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 3531 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3532 MGMT_STATUS_BUSY);
c35938b2
SJ		 3533 goto unlock;
3534 }
3535
2e58ef3e 3536 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3537 if (!cmd) {
3538 err = -ENOMEM;
3539 goto unlock;
3540 }
3541
4d2d2796
MH		 3542 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
3543 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
3544 0, NULL);
3545 else
3546 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3547
c35938b2
SJ		 3548 if (err < 0)
3549 mgmt_pending_remove(cmd);
3550
3551unlock:
09fd0de5 3552 hci_dev_unlock(hdev);
c35938b2
SJ		 3553 return err;
3554}
3555
bdb6d971 3556static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3557 void *data, u16 len)
2763eda6 3558{
2763eda6
SJ		 3559 int err;
3560
bdb6d971 3561 BT_DBG("%s ", hdev->name);
2763eda6 3562
09fd0de5 3563 hci_dev_lock(hdev);
2763eda6 3564
ec109113
MH		 3565 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3566 struct mgmt_cp_add_remote_oob_data *cp = data;
3567 u8 status;
bf1e3541 3568
ec109113
MH		 3569 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
3570 cp->hash, cp->randomizer);
3571 if (err < 0)
3572 status = MGMT_STATUS_FAILED;
3573 else
3574 status = MGMT_STATUS_SUCCESS;
3575
3576 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3577 status, &cp->addr, sizeof(cp->addr));
3578 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3579 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
3580 u8 status;
3581
3582 err = hci_add_remote_oob_ext_data(hdev, &cp->addr.bdaddr,
3583 cp->hash192,
3584 cp->randomizer192,
3585 cp->hash256,
3586 cp->randomizer256);
3587 if (err < 0)
3588 status = MGMT_STATUS_FAILED;
3589 else
3590 status = MGMT_STATUS_SUCCESS;
3591
3592 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3593 status, &cp->addr, sizeof(cp->addr));
3594 } else {
3595 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3596 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3597 MGMT_STATUS_INVALID_PARAMS);
3598 }
2763eda6 3599
09fd0de5 3600 hci_dev_unlock(hdev);
2763eda6
SJ		 3601 return err;
3602}
3603
bdb6d971 3604static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3605 void *data, u16 len)
2763eda6 3606{
650f726d 3607 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3608 u8 status;
2763eda6
SJ		 3609 int err;
3610
bdb6d971 3611 BT_DBG("%s", hdev->name);
2763eda6 3612
09fd0de5 3613 hci_dev_lock(hdev);
2763eda6 3614
664ce4cc 3615 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2763eda6 3616 if (err < 0)
bf1e3541 3617 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3618 else
a6785be2 3619 status = MGMT_STATUS_SUCCESS;
bf1e3541 3620
bdb6d971 3621 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3622 status, &cp->addr, sizeof(cp->addr));
2763eda6 3623
09fd0de5 3624 hci_dev_unlock(hdev);
2763eda6
SJ		 3625 return err;
3626}
3627
41dc2bd6
AG		 3628static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3629{
3630 struct pending_cmd *cmd;
3631 u8 type;
3632 int err;
3633
3634 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3635
3636 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3637 if (!cmd)
3638 return -ENOENT;
3639
3640 type = hdev->discovery.type;
3641
3642 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3643 &type, sizeof(type));
3644 mgmt_pending_remove(cmd);
3645
3646 return err;
3647}
3648
7c307720
AG		 3649static void start_discovery_complete(struct hci_dev *hdev, u8 status)
3650{
ae55f598
LR		 3651 unsigned long timeout = 0;
3652
7c307720
AG		 3653 BT_DBG("status %d", status);
3654
3655 if (status) {
3656 hci_dev_lock(hdev);
3657 mgmt_start_discovery_failed(hdev, status);
3658 hci_dev_unlock(hdev);
3659 return;
3660 }
3661
3662 hci_dev_lock(hdev);
3663 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
3664 hci_dev_unlock(hdev);
3665
3666 switch (hdev->discovery.type) {
3667 case DISCOV_TYPE_LE:
3d5a76f0 3668 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720
AG		 3669 break;
3670
3671 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3672 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720
AG		 3673 break;
3674
3675 case DISCOV_TYPE_BREDR:
3676 break;
3677
3678 default:
3679 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
3680 }
ae55f598
LR		 3681
3682 if (!timeout)
3683 return;
3684
3685 queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout);
7c307720
AG		 3686}
3687
bdb6d971 3688static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3689 void *data, u16 len)
14a53664 3690{
650f726d 3691 struct mgmt_cp_start_discovery *cp = data;
14a53664 3692 struct pending_cmd *cmd;
7c307720
AG		 3693 struct hci_cp_le_set_scan_param param_cp;
3694 struct hci_cp_le_set_scan_enable enable_cp;
3695 struct hci_cp_inquiry inq_cp;
3696 struct hci_request req;
3697 /* General inquiry access code (GIAC) */
3698 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3699 u8 status, own_addr_type;
14a53664
JH		 3700 int err;
3701
bdb6d971 3702 BT_DBG("%s", hdev->name);
14a53664 3703
09fd0de5 3704 hci_dev_lock(hdev);
14a53664 3705
4b34ee78 3706 if (!hdev_is_powered(hdev)) {
bdb6d971 3707 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3708 MGMT_STATUS_NOT_POWERED);
bd2d1334
JH		 3709 goto failed;
3710 }
3711
642be6c7
AG		 3712 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
3713 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3714 MGMT_STATUS_BUSY);
3715 goto failed;
3716 }
3717
ff9ef578 3718 if (hdev->discovery.state != DISCOVERY_STOPPED) {
bdb6d971 3719 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3720 MGMT_STATUS_BUSY);
ff9ef578
JH		 3721 goto failed;
3722 }
3723
2e58ef3e 3724 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3725 if (!cmd) {
3726 err = -ENOMEM;
3727 goto failed;
3728 }
3729
4aab14e5
AG		 3730 hdev->discovery.type = cp->type;
3731
7c307720
AG		 3732 hci_req_init(&req, hdev);
3733
4aab14e5 3734 switch (hdev->discovery.type) {
f39799f5 3735 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3736 status = mgmt_bredr_support(hdev);
3737 if (status) {
04106755 3738 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3739 status);
04106755
JH		 3740 mgmt_pending_remove(cmd);
3741 goto failed;
3742 }
3743
7c307720
AG		 3744 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
3745 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3746 MGMT_STATUS_BUSY);
3747 mgmt_pending_remove(cmd);
3748 goto failed;
3749 }
3750
3751 hci_inquiry_cache_flush(hdev);
3752
3753 memset(&inq_cp, 0, sizeof(inq_cp));
3754 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3755 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3756 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3757 break;
3758
3759 case DISCOV_TYPE_LE:
7c307720 3760 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3761 status = mgmt_le_support(hdev);
3762 if (status) {
04106755 3763 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3764 status);
04106755
JH		 3765 mgmt_pending_remove(cmd);
3766 goto failed;
3767 }
3768
7c307720 3769 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3770 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
04106755
JH		 3771 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3772 MGMT_STATUS_NOT_SUPPORTED);
3773 mgmt_pending_remove(cmd);
3774 goto failed;
3775 }
3776
e8bb6b97
JH		 3777 if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
3778 /* Don't let discovery abort an outgoing
3779 * connection attempt that's using directed
3780 * advertising.
3781 */
3782 if (hci_conn_hash_lookup_state(hdev, LE_LINK,
3783 BT_CONNECT)) {
3784 err = cmd_status(sk, hdev->id,
3785 MGMT_OP_START_DISCOVERY,
3786 MGMT_STATUS_REJECTED);
3787 mgmt_pending_remove(cmd);
3788 goto failed;
3789 }
3790
3791 disable_advertising(&req);
7c307720
AG		 3792 }
3793
c54c3860
AG		 3794 /* If controller is scanning, it means the background scanning
3795 * is running. Thus, we should temporarily stop it in order to
3796 * set the discovery scanning parameters.
3797 */
3798 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3799 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3800
3801 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3802
94b1fc92
MH		 3803 /* All active scans will be done with either a resolvable
3804 * private address (when privacy feature has been enabled)
3805 * or unresolvable private address.
3806 */
3807 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943
JH		 3808 if (err < 0) {
3809 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3810 MGMT_STATUS_FAILED);
3811 mgmt_pending_remove(cmd);
3812 goto failed;
3813 }
3814
7c307720 3815 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3816 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3817 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3818 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3819 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3820 &param_cp);
3821
3822 memset(&enable_cp, 0, sizeof(enable_cp));
3823 enable_cp.enable = LE_SCAN_ENABLE;
3824 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3825 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3826 &enable_cp);
5e0452c0
AG		 3827 break;
3828
f39799f5 3829 default:
04106755
JH		 3830 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3831 MGMT_STATUS_INVALID_PARAMS);
3832 mgmt_pending_remove(cmd);
3833 goto failed;
f39799f5 3834 }
3fd24153 3835
7c307720 3836 err = hci_req_run(&req, start_discovery_complete);
14a53664
JH		 3837 if (err < 0)
3838 mgmt_pending_remove(cmd);
ff9ef578
JH		 3839 else
3840 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3841
3842failed:
09fd0de5 3843 hci_dev_unlock(hdev);
14a53664
JH		 3844 return err;
3845}
3846
1183fdca
AG		 3847static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3848{
3849 struct pending_cmd *cmd;
3850 int err;
3851
3852 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3853 if (!cmd)
3854 return -ENOENT;
3855
3856 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3857 &hdev->discovery.type, sizeof(hdev->discovery.type));
3858 mgmt_pending_remove(cmd);
3859
3860 return err;
3861}
3862
0e05bba6
AG		 3863static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
3864{
3865 BT_DBG("status %d", status);
3866
3867 hci_dev_lock(hdev);
3868
3869 if (status) {
3870 mgmt_stop_discovery_failed(hdev, status);
3871 goto unlock;
3872 }
3873
3874 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3875
3876unlock:
3877 hci_dev_unlock(hdev);
3878}
3879
bdb6d971 3880static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3881 u16 len)
14a53664 3882{
d930650b 3883 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3884 struct pending_cmd *cmd;
0e05bba6 3885 struct hci_request req;
14a53664
JH		 3886 int err;
3887
bdb6d971 3888 BT_DBG("%s", hdev->name);
14a53664 3889
09fd0de5 3890 hci_dev_lock(hdev);
14a53664 3891
30dc78e1 3892 if (!hci_discovery_active(hdev)) {
bdb6d971 3893 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3894 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3895 sizeof(mgmt_cp->type));
d930650b
JH		 3896 goto unlock;
3897 }
3898
3899 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3900 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3901 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3902 sizeof(mgmt_cp->type));
30dc78e1 3903 goto unlock;
ff9ef578
JH		 3904 }
3905
2e58ef3e 3906 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3907 if (!cmd) {
3908 err = -ENOMEM;
30dc78e1
JH		 3909 goto unlock;
3910 }
3911
0e05bba6
AG		 3912 hci_req_init(&req, hdev);
3913
21a60d30 3914 hci_stop_discovery(&req);
e0d9727e 3915
21a60d30
JH		 3916 err = hci_req_run(&req, stop_discovery_complete);
3917 if (!err) {
3918 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3919 goto unlock;
14a53664
JH		 3920 }
3921
21a60d30
JH		 3922 mgmt_pending_remove(cmd);
3923
3924 /* If no HCI commands were sent we're done */
3925 if (err == -ENODATA) {
3926 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3927 &mgmt_cp->type, sizeof(mgmt_cp->type));
3928 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3929 }
14a53664 3930
30dc78e1 3931unlock:
09fd0de5 3932 hci_dev_unlock(hdev);
14a53664
JH		 3933 return err;
3934}
3935
bdb6d971 3936static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3937 u16 len)
561aafbc 3938{
650f726d 3939 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3940 struct inquiry_entry *e;
561aafbc
JH		 3941 int err;
3942
bdb6d971 3943 BT_DBG("%s", hdev->name);
561aafbc 3944
561aafbc
JH		 3945 hci_dev_lock(hdev);
3946
30dc78e1 3947 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 3948 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3949 MGMT_STATUS_FAILED, &cp->addr,
3950 sizeof(cp->addr));
30dc78e1
JH		 3951 goto failed;
3952 }
3953
a198e7b1 3954 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 3955 if (!e) {
d3a2541d
LR		 3956 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3957 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3958 sizeof(cp->addr));
561aafbc
JH		 3959 goto failed;
3960 }
3961
3962 if (cp->name_known) {
3963 e->name_state = NAME_KNOWN;
3964 list_del(&e->list);
3965 } else {
3966 e->name_state = NAME_NEEDED;
a3d4e20a 3967 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 3968 }
3969
e384662b
JH		 3970 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
3971 sizeof(cp->addr));
561aafbc
JH		 3972
3973failed:
3974 hci_dev_unlock(hdev);
561aafbc
JH		 3975 return err;
3976}
3977
bdb6d971 3978static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3979 u16 len)
7fbec224 3980{
650f726d 3981 struct mgmt_cp_block_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_BLOCK_DEVICE,
3989 MGMT_STATUS_INVALID_PARAMS,
3990 &cp->addr, sizeof(cp->addr));
4ee71b20 3991
09fd0de5 3992 hci_dev_lock(hdev);
5e762444 3993
dcc36c16
JH		 3994 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
3995 cp->addr.type);
2a8357f2 3996 if (err < 0) {
f0eeea8b 3997 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 3998 goto done;
3999 }
4000
4001 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4002 sk);
4003 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4004
2a8357f2 4005done:
bdb6d971 4006 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 4007 &cp->addr, sizeof(cp->addr));
5e762444 4008
09fd0de5 4009 hci_dev_unlock(hdev);
7fbec224
AJ		 4010
4011 return err;
4012}
4013
bdb6d971 4014static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4015 u16 len)
7fbec224 4016{
650f726d 4017 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4018 u8 status;
7fbec224
AJ		 4019 int err;
4020
bdb6d971 4021 BT_DBG("%s", hdev->name);
7fbec224 4022
4ee71b20 4023 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 4024 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4025 MGMT_STATUS_INVALID_PARAMS,
4026 &cp->addr, sizeof(cp->addr));
4ee71b20 4027
09fd0de5 4028 hci_dev_lock(hdev);
5e762444 4029
dcc36c16
JH		 4030 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4031 cp->addr.type);
2a8357f2 4032 if (err < 0) {
f0eeea8b 4033 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4034 goto done;
4035 }
4036
4037 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4038 sk);
4039 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4040
2a8357f2 4041done:
bdb6d971 4042 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 4043 &cp->addr, sizeof(cp->addr));
5e762444 4044
09fd0de5 4045 hci_dev_unlock(hdev);
7fbec224
AJ		 4046
4047 return err;
4048}
4049
cdbaccca
MH		 4050static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4051 u16 len)
4052{
4053 struct mgmt_cp_set_device_id *cp = data;
890ea898 4054 struct hci_request req;
cdbaccca 4055 int err;
c72d4b8a 4056 __u16 source;
cdbaccca
MH		 4057
4058 BT_DBG("%s", hdev->name);
4059
c72d4b8a
SJ		 4060 source = __le16_to_cpu(cp->source);
4061
4062 if (source > 0x0002)
4063 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4064 MGMT_STATUS_INVALID_PARAMS);
4065
cdbaccca
MH		 4066 hci_dev_lock(hdev);
4067
c72d4b8a 4068 hdev->devid_source = source;
cdbaccca
MH		 4069 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4070 hdev->devid_product = __le16_to_cpu(cp->product);
4071 hdev->devid_version = __le16_to_cpu(cp->version);
4072
4073 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
4074
890ea898
JH		 4075 hci_req_init(&req, hdev);
4076 update_eir(&req);
4077 hci_req_run(&req, NULL);
cdbaccca
MH		 4078
4079 hci_dev_unlock(hdev);
4080
4081 return err;
4082}
4083
4375f103
JH		 4084static void set_advertising_complete(struct hci_dev *hdev, u8 status)
4085{
4086 struct cmd_lookup match = { NULL, hdev };
4087
4088 if (status) {
4089 u8 mgmt_err = mgmt_status(status);
4090
4091 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4092 cmd_status_rsp, &mgmt_err);
4093 return;
4094 }
4095
c93bd150
JH		 4096 if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
4097 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
4098 else
4099 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
4100
4375f103
JH		 4101 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4102 &match);
4103
4104 new_settings(hdev, match.sk);
4105
4106 if (match.sk)
4107 sock_put(match.sk);
4108}
4109
21b5187f
MH		 4110static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4111 u16 len)
4375f103
JH		 4112{
4113 struct mgmt_mode *cp = data;
4114 struct pending_cmd *cmd;
4115 struct hci_request req;
e6fe7986 4116 u8 val, enabled, status;
4375f103
JH		 4117 int err;
4118
4119 BT_DBG("request for %s", hdev->name);
4120
e6fe7986
JH		 4121 status = mgmt_le_support(hdev);
4122 if (status)
4375f103 4123 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 4124 status);
4375f103
JH		 4125
4126 if (cp->val != 0x00 && cp->val != 0x01)
4127 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4128 MGMT_STATUS_INVALID_PARAMS);
4129
4130 hci_dev_lock(hdev);
4131
4132 val = !!cp->val;
f3d3444a 4133 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 4134
f74ca9b8
JH		 4135 /* The following conditions are ones which mean that we should
4136 * not do any HCI communication but directly send a mgmt
4137 * response to user space (after toggling the flag if
4138 * necessary).
4139 */
4140 if (!hdev_is_powered(hdev) || val == enabled ||
e8bb6b97
JH		 4141 hci_conn_num(hdev, LE_LINK) > 0 ||
4142 (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4143 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4375f103
JH		 4144 bool changed = false;
4145
f3d3444a
JH		 4146 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
4147 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 4148 changed = true;
4149 }
4150
4151 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4152 if (err < 0)
4153 goto unlock;
4154
4155 if (changed)
4156 err = new_settings(hdev, sk);
4157
4158 goto unlock;
4159 }
4160
4161 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4162 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
4163 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4164 MGMT_STATUS_BUSY);
4165 goto unlock;
4166 }
4167
4168 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4169 if (!cmd) {
4170 err = -ENOMEM;
4171 goto unlock;
4172 }
4173
4174 hci_req_init(&req, hdev);
4175
bba3aa55
MH		 4176 if (val)
4177 enable_advertising(&req);
4178 else
4179 disable_advertising(&req);
4375f103
JH		 4180
4181 err = hci_req_run(&req, set_advertising_complete);
4182 if (err < 0)
4183 mgmt_pending_remove(cmd);
4184
4185unlock:
4186 hci_dev_unlock(hdev);
4187 return err;
4188}
4189
d13eafce
MH		 4190static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4191 void *data, u16 len)
4192{
4193 struct mgmt_cp_set_static_address *cp = data;
4194 int err;
4195
4196 BT_DBG("%s", hdev->name);
4197
62af4443 4198 if (!lmp_le_capable(hdev))
d13eafce 4199 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 4200 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4201
4202 if (hdev_is_powered(hdev))
4203 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4204 MGMT_STATUS_REJECTED);
4205
4206 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4207 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4208 return cmd_status(sk, hdev->id,
4209 MGMT_OP_SET_STATIC_ADDRESS,
4210 MGMT_STATUS_INVALID_PARAMS);
4211
4212 /* Two most significant bits shall be set */
4213 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4214 return cmd_status(sk, hdev->id,
4215 MGMT_OP_SET_STATIC_ADDRESS,
4216 MGMT_STATUS_INVALID_PARAMS);
4217 }
4218
4219 hci_dev_lock(hdev);
4220
4221 bacpy(&hdev->static_addr, &cp->bdaddr);
4222
4223 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
4224
4225 hci_dev_unlock(hdev);
4226
4227 return err;
4228}
4229
14b49b9a
MH		 4230static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4231 void *data, u16 len)
4232{
4233 struct mgmt_cp_set_scan_params *cp = data;
4234 __u16 interval, window;
4235 int err;
4236
4237 BT_DBG("%s", hdev->name);
4238
4239 if (!lmp_le_capable(hdev))
4240 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4241 MGMT_STATUS_NOT_SUPPORTED);
4242
4243 interval = __le16_to_cpu(cp->interval);
4244
4245 if (interval < 0x0004 || interval > 0x4000)
4246 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4247 MGMT_STATUS_INVALID_PARAMS);
4248
4249 window = __le16_to_cpu(cp->window);
4250
4251 if (window < 0x0004 || window > 0x4000)
4252 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4253 MGMT_STATUS_INVALID_PARAMS);
4254
899e1075
MH		 4255 if (window > interval)
4256 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4257 MGMT_STATUS_INVALID_PARAMS);
4258
14b49b9a
MH		 4259 hci_dev_lock(hdev);
4260
4261 hdev->le_scan_interval = interval;
4262 hdev->le_scan_window = window;
4263
4264 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4265
dd2ef8e2
AG		 4266 /* If background scan is running, restart it so new parameters are
4267 * loaded.
4268 */
4269 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4270 hdev->discovery.state == DISCOVERY_STOPPED) {
4271 struct hci_request req;
4272
4273 hci_req_init(&req, hdev);
4274
4275 hci_req_add_le_scan_disable(&req);
4276 hci_req_add_le_passive_scan(&req);
4277
4278 hci_req_run(&req, NULL);
4279 }
4280
14b49b9a
MH		 4281 hci_dev_unlock(hdev);
4282
4283 return err;
4284}
4285
33e38b3e
JH		 4286static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4287{
4288 struct pending_cmd *cmd;
4289
4290 BT_DBG("status 0x%02x", status);
4291
4292 hci_dev_lock(hdev);
4293
4294 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4295 if (!cmd)
4296 goto unlock;
4297
4298 if (status) {
4299 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4300 mgmt_status(status));
4301 } else {
1a4d3c4b
JH		 4302 struct mgmt_mode *cp = cmd->param;
4303
4304 if (cp->val)
4305 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4306 else
4307 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4308
33e38b3e
JH		 4309 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4310 new_settings(hdev, cmd->sk);
4311 }
4312
4313 mgmt_pending_remove(cmd);
4314
4315unlock:
4316 hci_dev_unlock(hdev);
4317}
4318
bdb6d971 4319static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4320 void *data, u16 len)
f6422ec6 4321{
650f726d 4322 struct mgmt_mode *cp = data;
33e38b3e
JH		 4323 struct pending_cmd *cmd;
4324 struct hci_request req;
f6422ec6
AJ		 4325 int err;
4326
bdb6d971 4327 BT_DBG("%s", hdev->name);
f6422ec6 4328
56f87901
JH		 4329 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4330 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4331 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4332 MGMT_STATUS_NOT_SUPPORTED);
4333
a7e80f25
JH		 4334 if (cp->val != 0x00 && cp->val != 0x01)
4335 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4336 MGMT_STATUS_INVALID_PARAMS);
4337
5400c044 4338 if (!hdev_is_powered(hdev))
bdb6d971 4339 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4340 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4341
4342 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4343 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4344 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4345
4346 hci_dev_lock(hdev);
4347
05cbf29f
JH		 4348 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4349 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4350 MGMT_STATUS_BUSY);
4351 goto unlock;
4352 }
4353
1a4d3c4b
JH		 4354 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4355 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4356 hdev);
4357 goto unlock;
4358 }
4359
33e38b3e
JH		 4360 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4361 data, len);
4362 if (!cmd) {
4363 err = -ENOMEM;
4364 goto unlock;
f6422ec6
AJ		 4365 }
4366
33e38b3e
JH		 4367 hci_req_init(&req, hdev);
4368
406d7804 4369 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4370
4371 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4372 if (err < 0) {
bdb6d971 4373 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4374 MGMT_STATUS_FAILED);
33e38b3e 4375 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4376 }
4377
33e38b3e 4378unlock:
f6422ec6 4379 hci_dev_unlock(hdev);
33e38b3e 4380
f6422ec6
AJ		 4381 return err;
4382}
4383
67e5a7a3
JH		 4384static void set_bredr_scan(struct hci_request *req)
4385{
4386 struct hci_dev *hdev = req->hdev;
4387 u8 scan = 0;
4388
4389 /* Ensure that fast connectable is disabled. This function will
4390 * not do anything if the page scan parameters are already what
4391 * they should be.
4392 */
4393 write_fast_connectable(req, false);
4394
6cebb9e7
JH		 4395 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) ||
4396 !list_empty(&hdev->whitelist))
67e5a7a3
JH		 4397 scan |= SCAN_PAGE;
4398 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
4399 scan |= SCAN_INQUIRY;
4400
4401 if (scan)
4402 hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
4403}
4404
0663ca2a
JH		 4405static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4406{
4407 struct pending_cmd *cmd;
4408
4409 BT_DBG("status 0x%02x", status);
4410
4411 hci_dev_lock(hdev);
4412
4413 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4414 if (!cmd)
4415 goto unlock;
4416
4417 if (status) {
4418 u8 mgmt_err = mgmt_status(status);
4419
4420 /* We need to restore the flag if related HCI commands
4421 * failed.
4422 */
4423 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4424
4425 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4426 } else {
4427 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4428 new_settings(hdev, cmd->sk);
4429 }
4430
4431 mgmt_pending_remove(cmd);
4432
4433unlock:
4434 hci_dev_unlock(hdev);
4435}
4436
4437static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4438{
4439 struct mgmt_mode *cp = data;
4440 struct pending_cmd *cmd;
4441 struct hci_request req;
4442 int err;
4443
4444 BT_DBG("request for %s", hdev->name);
4445
4446 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4447 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4448 MGMT_STATUS_NOT_SUPPORTED);
4449
4450 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4451 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4452 MGMT_STATUS_REJECTED);
4453
4454 if (cp->val != 0x00 && cp->val != 0x01)
4455 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4456 MGMT_STATUS_INVALID_PARAMS);
4457
4458 hci_dev_lock(hdev);
4459
4460 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4461 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4462 goto unlock;
4463 }
4464
4465 if (!hdev_is_powered(hdev)) {
4466 if (!cp->val) {
0663ca2a
JH		 4467 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4468 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4469 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4470 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4471 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4472 }
4473
4474 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4475
4476 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4477 if (err < 0)
4478 goto unlock;
4479
4480 err = new_settings(hdev, sk);
4481 goto unlock;
4482 }
4483
4484 /* Reject disabling when powered on */
4485 if (!cp->val) {
4486 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4487 MGMT_STATUS_REJECTED);
4488 goto unlock;
4489 }
4490
4491 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4492 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4493 MGMT_STATUS_BUSY);
4494 goto unlock;
4495 }
4496
4497 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4498 if (!cmd) {
4499 err = -ENOMEM;
4500 goto unlock;
4501 }
4502
5947f4bc 4503 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4504 * generates the correct flags.
4505 */
4506 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4507
4508 hci_req_init(&req, hdev);
aa8af46e 4509
6cebb9e7
JH		 4510 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) ||
4511 !list_empty(&hdev->whitelist))
aa8af46e
JH		 4512 set_bredr_scan(&req);
4513
f14d8f64
MH		 4514 /* Since only the advertising data flags will change, there
4515 * is no need to update the scan response data.
4516 */
5947f4bc 4517 update_adv_data(&req);
aa8af46e 4518
0663ca2a
JH		 4519 err = hci_req_run(&req, set_bredr_complete);
4520 if (err < 0)
4521 mgmt_pending_remove(cmd);
4522
4523unlock:
4524 hci_dev_unlock(hdev);
4525 return err;
4526}
4527
eac83dc6
MH		 4528static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4529 void *data, u16 len)
4530{
4531 struct mgmt_mode *cp = data;
4532 struct pending_cmd *cmd;
0ab04a9c 4533 u8 val, status;
eac83dc6
MH		 4534 int err;
4535
4536 BT_DBG("request for %s", hdev->name);
4537
4538 status = mgmt_bredr_support(hdev);
4539 if (status)
4540 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4541 status);
4542
5afeac14 4543 if (!lmp_sc_capable(hdev) &&
111902f7 4544 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4545 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4546 MGMT_STATUS_NOT_SUPPORTED);
4547
0ab04a9c 4548 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4549 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4550 MGMT_STATUS_INVALID_PARAMS);
4551
4552 hci_dev_lock(hdev);
4553
4554 if (!hdev_is_powered(hdev)) {
4555 bool changed;
4556
0ab04a9c 4557 if (cp->val) {
eac83dc6
MH		 4558 changed = !test_and_set_bit(HCI_SC_ENABLED,
4559 &hdev->dev_flags);
0ab04a9c
MH		 4560 if (cp->val == 0x02)
4561 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4562 else
4563 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4564 } else {
eac83dc6
MH		 4565 changed = test_and_clear_bit(HCI_SC_ENABLED,
4566 &hdev->dev_flags);
0ab04a9c
MH		 4567 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4568 }
eac83dc6
MH		 4569
4570 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4571 if (err < 0)
4572 goto failed;
4573
4574 if (changed)
4575 err = new_settings(hdev, sk);
4576
4577 goto failed;
4578 }
4579
4580 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4581 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4582 MGMT_STATUS_BUSY);
4583 goto failed;
4584 }
4585
0ab04a9c
MH		 4586 val = !!cp->val;
4587
4588 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4589 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4590 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4591 goto failed;
4592 }
4593
4594 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4595 if (!cmd) {
4596 err = -ENOMEM;
4597 goto failed;
4598 }
4599
0ab04a9c 4600 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4601 if (err < 0) {
4602 mgmt_pending_remove(cmd);
4603 goto failed;
4604 }
4605
0ab04a9c
MH		 4606 if (cp->val == 0x02)
4607 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4608 else
4609 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4610
eac83dc6
MH		 4611failed:
4612 hci_dev_unlock(hdev);
4613 return err;
4614}
4615
4e39ac81
MH		 4616static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4617 void *data, u16 len)
4618{
4619 struct mgmt_mode *cp = data;
b9710979 4620 bool changed, use_changed;
4e39ac81
MH		 4621 int err;
4622
4623 BT_DBG("request for %s", hdev->name);
4624
b9710979 4625 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4626 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4627 MGMT_STATUS_INVALID_PARAMS);
4628
4629 hci_dev_lock(hdev);
4630
4631 if (cp->val)
0663b297
JH		 4632 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4633 &hdev->dev_flags);
4e39ac81 4634 else
0663b297
JH		 4635 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4636 &hdev->dev_flags);
4e39ac81 4637
b9710979
JH		 4638 if (cp->val == 0x02)
4639 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4640 &hdev->dev_flags);
4641 else
4642 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4643 &hdev->dev_flags);
4644
4645 if (hdev_is_powered(hdev) && use_changed &&
4646 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4647 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4648 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4649 sizeof(mode), &mode);
4650 }
4651
4e39ac81
MH		 4652 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4653 if (err < 0)
4654 goto unlock;
4655
4656 if (changed)
4657 err = new_settings(hdev, sk);
4658
4659unlock:
4660 hci_dev_unlock(hdev);
4661 return err;
4662}
4663
62b04cd1
JH		 4664static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4665 u16 len)
4666{
4667 struct mgmt_cp_set_privacy *cp = cp_data;
4668 bool changed;
4669 int err;
4670
4671 BT_DBG("request for %s", hdev->name);
4672
4673 if (!lmp_le_capable(hdev))
4674 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4675 MGMT_STATUS_NOT_SUPPORTED);
4676
4677 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4678 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4679 MGMT_STATUS_INVALID_PARAMS);
4680
4681 if (hdev_is_powered(hdev))
4682 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4683 MGMT_STATUS_REJECTED);
4684
4685 hci_dev_lock(hdev);
4686
c21c0ea0
JH		 4687 /* If user space supports this command it is also expected to
4688 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4689 */
4690 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4691
62b04cd1
JH		 4692 if (cp->privacy) {
4693 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4694 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4695 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4696 } else {
4697 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4698 memset(hdev->irk, 0, sizeof(hdev->irk));
4699 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4700 }
4701
4702 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4703 if (err < 0)
4704 goto unlock;
4705
4706 if (changed)
4707 err = new_settings(hdev, sk);
4708
4709unlock:
4710 hci_dev_unlock(hdev);
4711 return err;
4712}
4713
41edf160
JH		 4714static bool irk_is_valid(struct mgmt_irk_info *irk)
4715{
4716 switch (irk->addr.type) {
4717 case BDADDR_LE_PUBLIC:
4718 return true;
4719
4720 case BDADDR_LE_RANDOM:
4721 /* Two most significant bits shall be set */
4722 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4723 return false;
4724 return true;
4725 }
4726
4727 return false;
4728}
4729
4730static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4731 u16 len)
4732{
4733 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4734 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4735 sizeof(struct mgmt_irk_info));
41edf160
JH		 4736 u16 irk_count, expected_len;
4737 int i, err;
4738
4739 BT_DBG("request for %s", hdev->name);
4740
4741 if (!lmp_le_capable(hdev))
4742 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4743 MGMT_STATUS_NOT_SUPPORTED);
4744
4745 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4746 if (irk_count > max_irk_count) {
4747 BT_ERR("load_irks: too big irk_count value %u", irk_count);
4748 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4749 MGMT_STATUS_INVALID_PARAMS);
4750 }
41edf160
JH		 4751
4752 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4753 if (expected_len != len) {
4754 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4755 expected_len, len);
41edf160
JH		 4756 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4757 MGMT_STATUS_INVALID_PARAMS);
4758 }
4759
4760 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4761
4762 for (i = 0; i < irk_count; i++) {
4763 struct mgmt_irk_info *key = &cp->irks[i];
4764
4765 if (!irk_is_valid(key))
4766 return cmd_status(sk, hdev->id,
4767 MGMT_OP_LOAD_IRKS,
4768 MGMT_STATUS_INVALID_PARAMS);
4769 }
4770
4771 hci_dev_lock(hdev);
4772
4773 hci_smp_irks_clear(hdev);
4774
4775 for (i = 0; i < irk_count; i++) {
4776 struct mgmt_irk_info *irk = &cp->irks[i];
4777 u8 addr_type;
4778
4779 if (irk->addr.type == BDADDR_LE_PUBLIC)
4780 addr_type = ADDR_LE_DEV_PUBLIC;
4781 else
4782 addr_type = ADDR_LE_DEV_RANDOM;
4783
4784 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4785 BDADDR_ANY);
4786 }
4787
4788 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4789
4790 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4791
4792 hci_dev_unlock(hdev);
4793
4794 return err;
4795}
4796
3f706b72
JH		 4797static bool ltk_is_valid(struct mgmt_ltk_info *key)
4798{
4799 if (key->master != 0x00 && key->master != 0x01)
4800 return false;
490cb0b3
MH		 4801
4802 switch (key->addr.type) {
4803 case BDADDR_LE_PUBLIC:
4804 return true;
4805
4806 case BDADDR_LE_RANDOM:
4807 /* Two most significant bits shall be set */
4808 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4809 return false;
4810 return true;
4811 }
4812
4813 return false;
3f706b72
JH		 4814}
4815
bdb6d971 4816static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4817 void *cp_data, u16 len)
346af67b 4818{
346af67b 4819 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4820 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4821 sizeof(struct mgmt_ltk_info));
346af67b 4822 u16 key_count, expected_len;
715a5bf2 4823 int i, err;
346af67b 4824
cf99ba13
MH		 4825 BT_DBG("request for %s", hdev->name);
4826
4827 if (!lmp_le_capable(hdev))
4828 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4829 MGMT_STATUS_NOT_SUPPORTED);
4830
1f350c87 4831 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4832 if (key_count > max_key_count) {
4833 BT_ERR("load_ltks: too big key_count value %u", key_count);
4834 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4835 MGMT_STATUS_INVALID_PARAMS);
4836 }
346af67b
VCG		 4837
4838 expected_len = sizeof(*cp) + key_count *
4839 sizeof(struct mgmt_ltk_info);
4840 if (expected_len != len) {
4841 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4842 expected_len, len);
bdb6d971 4843 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4844 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4845 }
4846
bdb6d971 4847 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4848
54ad6d8a
JH		 4849 for (i = 0; i < key_count; i++) {
4850 struct mgmt_ltk_info *key = &cp->keys[i];
4851
3f706b72 4852 if (!ltk_is_valid(key))
54ad6d8a
JH		 4853 return cmd_status(sk, hdev->id,
4854 MGMT_OP_LOAD_LONG_TERM_KEYS,
4855 MGMT_STATUS_INVALID_PARAMS);
4856 }
4857
346af67b
VCG		 4858 hci_dev_lock(hdev);
4859
4860 hci_smp_ltks_clear(hdev);
4861
4862 for (i = 0; i < key_count; i++) {
4863 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4864 u8 type, addr_type, authenticated;
79d95a19
MH		 4865
4866 if (key->addr.type == BDADDR_LE_PUBLIC)
4867 addr_type = ADDR_LE_DEV_PUBLIC;
4868 else
4869 addr_type = ADDR_LE_DEV_RANDOM;
346af67b
VCG		 4870
4871 if (key->master)
2ceba539 4872 type = SMP_LTK;
346af67b 4873 else
2ceba539 4874 type = SMP_LTK_SLAVE;
346af67b 4875
61b43357
JH		 4876 switch (key->type) {
4877 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4878 authenticated = 0x00;
61b43357
JH		 4879 break;
4880 case MGMT_LTK_AUTHENTICATED:
d7b25450 4881 authenticated = 0x01;
61b43357
JH		 4882 break;
4883 default:
4884 continue;
4885 }
d7b25450 4886
35d70271 4887 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4888 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4889 key->rand);
346af67b
VCG		 4890 }
4891
715a5bf2
JH		 4892 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4893 NULL, 0);
4894
346af67b 4895 hci_dev_unlock(hdev);
346af67b 4896
715a5bf2 4897 return err;
346af67b
VCG		 4898}
4899
dd983808
AK		 4900struct cmd_conn_lookup {
4901 struct hci_conn *conn;
4902 bool valid_tx_power;
4903 u8 mgmt_status;
4904};
4905
4906static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4907{
4908 struct cmd_conn_lookup *match = data;
4909 struct mgmt_cp_get_conn_info *cp;
4910 struct mgmt_rp_get_conn_info rp;
4911 struct hci_conn *conn = cmd->user_data;
4912
4913 if (conn != match->conn)
4914 return;
4915
4916 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4917
4918 memset(&rp, 0, sizeof(rp));
4919 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4920 rp.addr.type = cp->addr.type;
4921
4922 if (!match->mgmt_status) {
4923 rp.rssi = conn->rssi;
4924
eed5daf3 4925 if (match->valid_tx_power) {
dd983808 4926 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4927 rp.max_tx_power = conn->max_tx_power;
4928 } else {
dd983808 4929 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4930 rp.max_tx_power = HCI_TX_POWER_INVALID;
4931 }
dd983808
AK		 4932 }
4933
4934 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4935 match->mgmt_status, &rp, sizeof(rp));
4936
4937 hci_conn_drop(conn);
4938
4939 mgmt_pending_remove(cmd);
4940}
4941
4942static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4943{
4944 struct hci_cp_read_rssi *cp;
4945 struct hci_conn *conn;
4946 struct cmd_conn_lookup match;
4947 u16 handle;
4948
4949 BT_DBG("status 0x%02x", status);
4950
4951 hci_dev_lock(hdev);
4952
4953 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 4954 * otherwise we assume it's not valid. At the moment we assume that
4955 * either both or none of current and max values are valid to keep code
4956 * simple.
dd983808
AK		 4957 */
4958 match.valid_tx_power = !status;
4959
4960 /* Commands sent in request are either Read RSSI or Read Transmit Power
4961 * Level so we check which one was last sent to retrieve connection
4962 * handle. Both commands have handle as first parameter so it's safe to
4963 * cast data on the same command struct.
4964 *
4965 * First command sent is always Read RSSI and we fail only if it fails.
4966 * In other case we simply override error to indicate success as we
4967 * already remembered if TX power value is actually valid.
4968 */
4969 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4970 if (!cp) {
4971 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
4972 status = 0;
4973 }
4974
4975 if (!cp) {
4976 BT_ERR("invalid sent_cmd in response");
4977 goto unlock;
4978 }
4979
4980 handle = __le16_to_cpu(cp->handle);
4981 conn = hci_conn_hash_lookup_handle(hdev, handle);
4982 if (!conn) {
4983 BT_ERR("unknown handle (%d) in response", handle);
4984 goto unlock;
4985 }
4986
4987 match.conn = conn;
4988 match.mgmt_status = mgmt_status(status);
4989
4990 /* Cache refresh is complete, now reply for mgmt request for given
4991 * connection only.
4992 */
4993 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
4994 get_conn_info_complete, &match);
4995
4996unlock:
4997 hci_dev_unlock(hdev);
4998}
4999
5000static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5001 u16 len)
5002{
5003 struct mgmt_cp_get_conn_info *cp = data;
5004 struct mgmt_rp_get_conn_info rp;
5005 struct hci_conn *conn;
5006 unsigned long conn_info_age;
5007 int err = 0;
5008
5009 BT_DBG("%s", hdev->name);
5010
5011 memset(&rp, 0, sizeof(rp));
5012 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5013 rp.addr.type = cp->addr.type;
5014
5015 if (!bdaddr_type_is_valid(cp->addr.type))
5016 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5017 MGMT_STATUS_INVALID_PARAMS,
5018 &rp, sizeof(rp));
5019
5020 hci_dev_lock(hdev);
5021
5022 if (!hdev_is_powered(hdev)) {
5023 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5024 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5025 goto unlock;
5026 }
5027
5028 if (cp->addr.type == BDADDR_BREDR)
5029 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5030 &cp->addr.bdaddr);
5031 else
5032 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5033
5034 if (!conn || conn->state != BT_CONNECTED) {
5035 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5036 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
5037 goto unlock;
5038 }
5039
5040 /* To avoid client trying to guess when to poll again for information we
5041 * calculate conn info age as random value between min/max set in hdev.
5042 */
5043 conn_info_age = hdev->conn_info_min_age +
5044 prandom_u32_max(hdev->conn_info_max_age -
5045 hdev->conn_info_min_age);
5046
5047 /* Query controller to refresh cached values if they are too old or were
5048 * never read.
5049 */
f4e2dd53
AK		 5050 if (time_after(jiffies, conn->conn_info_timestamp +
5051 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5052 !conn->conn_info_timestamp) {
5053 struct hci_request req;
5054 struct hci_cp_read_tx_power req_txp_cp;
5055 struct hci_cp_read_rssi req_rssi_cp;
5056 struct pending_cmd *cmd;
5057
5058 hci_req_init(&req, hdev);
5059 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5060 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5061 &req_rssi_cp);
5062
f7faab0c
AK		 5063 /* For LE links TX power does not change thus we don't need to
5064 * query for it once value is known.
5065 */
5066 if (!bdaddr_type_is_le(cp->addr.type) ||
5067 conn->tx_power == HCI_TX_POWER_INVALID) {
5068 req_txp_cp.handle = cpu_to_le16(conn->handle);
5069 req_txp_cp.type = 0x00;
5070 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5071 sizeof(req_txp_cp), &req_txp_cp);
5072 }
dd983808 5073
eed5daf3
AK		 5074 /* Max TX power needs to be read only once per connection */
5075 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5076 req_txp_cp.handle = cpu_to_le16(conn->handle);
5077 req_txp_cp.type = 0x01;
5078 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5079 sizeof(req_txp_cp), &req_txp_cp);
5080 }
5081
dd983808
AK		 5082 err = hci_req_run(&req, conn_info_refresh_complete);
5083 if (err < 0)
5084 goto unlock;
5085
5086 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5087 data, len);
5088 if (!cmd) {
5089 err = -ENOMEM;
5090 goto unlock;
5091 }
5092
5093 hci_conn_hold(conn);
5094 cmd->user_data = conn;
5095
5096 conn->conn_info_timestamp = jiffies;
5097 } else {
5098 /* Cache is valid, just reply with values cached in hci_conn */
5099 rp.rssi = conn->rssi;
5100 rp.tx_power = conn->tx_power;
eed5daf3 5101 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 5102
5103 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5104 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5105 }
5106
5107unlock:
5108 hci_dev_unlock(hdev);
5109 return err;
5110}
5111
95868426
JH		 5112static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
5113{
5114 struct mgmt_cp_get_clock_info *cp;
5115 struct mgmt_rp_get_clock_info rp;
5116 struct hci_cp_read_clock *hci_cp;
5117 struct pending_cmd *cmd;
5118 struct hci_conn *conn;
5119
5120 BT_DBG("%s status %u", hdev->name, status);
5121
5122 hci_dev_lock(hdev);
5123
5124 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5125 if (!hci_cp)
5126 goto unlock;
5127
5128 if (hci_cp->which) {
5129 u16 handle = __le16_to_cpu(hci_cp->handle);
5130 conn = hci_conn_hash_lookup_handle(hdev, handle);
5131 } else {
5132 conn = NULL;
5133 }
5134
5135 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5136 if (!cmd)
5137 goto unlock;
5138
5139 cp = cmd->param;
5140
5141 memset(&rp, 0, sizeof(rp));
5142 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
5143
5144 if (status)
5145 goto send_rsp;
5146
5147 rp.local_clock = cpu_to_le32(hdev->clock);
5148
5149 if (conn) {
5150 rp.piconet_clock = cpu_to_le32(conn->clock);
5151 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5152 }
5153
5154send_rsp:
5155 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
5156 &rp, sizeof(rp));
5157 mgmt_pending_remove(cmd);
5158 if (conn)
5159 hci_conn_drop(conn);
5160
5161unlock:
5162 hci_dev_unlock(hdev);
5163}
5164
5165static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5166 u16 len)
5167{
5168 struct mgmt_cp_get_clock_info *cp = data;
5169 struct mgmt_rp_get_clock_info rp;
5170 struct hci_cp_read_clock hci_cp;
5171 struct pending_cmd *cmd;
5172 struct hci_request req;
5173 struct hci_conn *conn;
5174 int err;
5175
5176 BT_DBG("%s", hdev->name);
5177
5178 memset(&rp, 0, sizeof(rp));
5179 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5180 rp.addr.type = cp->addr.type;
5181
5182 if (cp->addr.type != BDADDR_BREDR)
5183 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5184 MGMT_STATUS_INVALID_PARAMS,
5185 &rp, sizeof(rp));
5186
5187 hci_dev_lock(hdev);
5188
5189 if (!hdev_is_powered(hdev)) {
5190 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5191 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5192 goto unlock;
5193 }
5194
5195 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5196 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5197 &cp->addr.bdaddr);
5198 if (!conn || conn->state != BT_CONNECTED) {
5199 err = cmd_complete(sk, hdev->id,
5200 MGMT_OP_GET_CLOCK_INFO,
5201 MGMT_STATUS_NOT_CONNECTED,
5202 &rp, sizeof(rp));
5203 goto unlock;
5204 }
5205 } else {
5206 conn = NULL;
5207 }
5208
5209 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5210 if (!cmd) {
5211 err = -ENOMEM;
5212 goto unlock;
5213 }
5214
5215 hci_req_init(&req, hdev);
5216
5217 memset(&hci_cp, 0, sizeof(hci_cp));
5218 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5219
5220 if (conn) {
5221 hci_conn_hold(conn);
5222 cmd->user_data = conn;
5223
5224 hci_cp.handle = cpu_to_le16(conn->handle);
5225 hci_cp.which = 0x01; /* Piconet clock */
5226 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5227 }
5228
5229 err = hci_req_run(&req, get_clock_info_complete);
5230 if (err < 0)
5231 mgmt_pending_remove(cmd);
5232
5233unlock:
5234 hci_dev_unlock(hdev);
5235 return err;
5236}
5237
a397407f
JH		 5238/* Helper for Add/Remove Device commands */
5239static void update_page_scan(struct hci_dev *hdev, u8 scan)
5240{
5241 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
5242 return;
5243
5244 if (!hdev_is_powered(hdev))
5245 return;
5246
5247 /* If HCI_CONNECTABLE is set then Add/Remove Device should not
5248 * make any changes to page scanning.
5249 */
5250 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
5251 return;
5252
5253 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
5254 scan |= SCAN_INQUIRY;
5255
5256 hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
5257}
5258
8afef092
MH		 5259static void device_added(struct sock *sk, struct hci_dev *hdev,
5260 bdaddr_t *bdaddr, u8 type, u8 action)
5261{
5262 struct mgmt_ev_device_added ev;
5263
5264 bacpy(&ev.addr.bdaddr, bdaddr);
5265 ev.addr.type = type;
5266 ev.action = action;
5267
5268 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5269}
5270
2faade53
MH		 5271static int add_device(struct sock *sk, struct hci_dev *hdev,
5272 void *data, u16 len)
5273{
5274 struct mgmt_cp_add_device *cp = data;
5275 u8 auto_conn, addr_type;
5276 int err;
5277
5278 BT_DBG("%s", hdev->name);
5279
6659358e 5280 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53
MH		 5281 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
5282 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5283 MGMT_STATUS_INVALID_PARAMS,
5284 &cp->addr, sizeof(cp->addr));
5285
4b9e7e75 5286 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2faade53
MH		 5287 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5288 MGMT_STATUS_INVALID_PARAMS,
5289 &cp->addr, sizeof(cp->addr));
5290
5291 hci_dev_lock(hdev);
5292
6659358e 5293 if (cp->addr.type == BDADDR_BREDR) {
a397407f
JH		 5294 bool update_scan;
5295
4b9e7e75 5296 /* Only incoming connections action is supported for now */
6659358e
JH		 5297 if (cp->action != 0x01) {
5298 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5299 MGMT_STATUS_INVALID_PARAMS,
5300 &cp->addr, sizeof(cp->addr));
5301 goto unlock;
5302 }
5303
a397407f
JH		 5304 update_scan = list_empty(&hdev->whitelist);
5305
6659358e
JH		 5306 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5307 cp->addr.type);
5308 if (err)
5309 goto unlock;
a397407f
JH		 5310
5311 if (update_scan)
5312 update_page_scan(hdev, SCAN_PAGE);
5313
6659358e
JH		 5314 goto added;
5315 }
5316
2faade53
MH		 5317 if (cp->addr.type == BDADDR_LE_PUBLIC)
5318 addr_type = ADDR_LE_DEV_PUBLIC;
5319 else
5320 addr_type = ADDR_LE_DEV_RANDOM;
5321
4b9e7e75 5322 if (cp->action == 0x02)
2faade53 5323 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5324 else if (cp->action == 0x01)
5325 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5326 else
a3451d27 5327 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5328
bf5b3c8b
MH		 5329 /* If the connection parameters don't exist for this device,
5330 * they will be created and configured with defaults.
5331 */
d06b50ce
MH		 5332 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
5333 auto_conn) < 0) {
2faade53
MH		 5334 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5335 MGMT_STATUS_FAILED,
5336 &cp->addr, sizeof(cp->addr));
5337 goto unlock;
5338 }
5339
6659358e 5340added:
8afef092
MH		 5341 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5342
2faade53
MH		 5343 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5344 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5345
5346unlock:
5347 hci_dev_unlock(hdev);
5348 return err;
5349}
5350
8afef092
MH		 5351static void device_removed(struct sock *sk, struct hci_dev *hdev,
5352 bdaddr_t *bdaddr, u8 type)
5353{
5354 struct mgmt_ev_device_removed ev;
5355
5356 bacpy(&ev.addr.bdaddr, bdaddr);
5357 ev.addr.type = type;
5358
5359 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5360}
5361
2faade53
MH		 5362static int remove_device(struct sock *sk, struct hci_dev *hdev,
5363 void *data, u16 len)
5364{
5365 struct mgmt_cp_remove_device *cp = data;
5366 int err;
5367
5368 BT_DBG("%s", hdev->name);
5369
5370 hci_dev_lock(hdev);
5371
5372 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5373 struct hci_conn_params *params;
2faade53
MH		 5374 u8 addr_type;
5375
6659358e 5376 if (!bdaddr_type_is_valid(cp->addr.type)) {
2faade53
MH		 5377 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5378 MGMT_STATUS_INVALID_PARAMS,
5379 &cp->addr, sizeof(cp->addr));
5380 goto unlock;
5381 }
5382
6659358e
JH		 5383 if (cp->addr.type == BDADDR_BREDR) {
5384 err = hci_bdaddr_list_del(&hdev->whitelist,
5385 &cp->addr.bdaddr,
5386 cp->addr.type);
5387 if (err) {
5388 err = cmd_complete(sk, hdev->id,
5389 MGMT_OP_REMOVE_DEVICE,
5390 MGMT_STATUS_INVALID_PARAMS,
5391 &cp->addr, sizeof(cp->addr));
5392 goto unlock;
5393 }
5394
a397407f
JH		 5395 if (list_empty(&hdev->whitelist))
5396 update_page_scan(hdev, SCAN_DISABLED);
5397
6659358e
JH		 5398 device_removed(sk, hdev, &cp->addr.bdaddr,
5399 cp->addr.type);
5400 goto complete;
5401 }
5402
2faade53
MH		 5403 if (cp->addr.type == BDADDR_LE_PUBLIC)
5404 addr_type = ADDR_LE_DEV_PUBLIC;
5405 else
5406 addr_type = ADDR_LE_DEV_RANDOM;
5407
c71593dd
JH		 5408 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5409 addr_type);
5410 if (!params) {
5411 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5412 MGMT_STATUS_INVALID_PARAMS,
5413 &cp->addr, sizeof(cp->addr));
5414 goto unlock;
5415 }
5416
5417 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
5418 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5419 MGMT_STATUS_INVALID_PARAMS,
5420 &cp->addr, sizeof(cp->addr));
5421 goto unlock;
5422 }
5423
d1dbf12e 5424 list_del(&params->action);
c71593dd
JH		 5425 list_del(&params->list);
5426 kfree(params);
95305baa 5427 hci_update_background_scan(hdev);
8afef092
MH		 5428
5429 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5430 } else {
19de0825 5431 struct hci_conn_params *p, *tmp;
6659358e 5432 struct bdaddr_list *b, *btmp;
19de0825 5433
2faade53
MH		 5434 if (cp->addr.type) {
5435 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5436 MGMT_STATUS_INVALID_PARAMS,
5437 &cp->addr, sizeof(cp->addr));
5438 goto unlock;
5439 }
5440
6659358e
JH		 5441 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5442 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5443 list_del(&b->list);
5444 kfree(b);
5445 }
5446
a397407f
JH		 5447 update_page_scan(hdev, SCAN_DISABLED);
5448
19de0825
JH		 5449 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5450 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5451 continue;
5452 device_removed(sk, hdev, &p->addr, p->addr_type);
5453 list_del(&p->action);
5454 list_del(&p->list);
5455 kfree(p);
5456 }
5457
5458 BT_DBG("All LE connection parameters were removed");
5459
5460 hci_update_background_scan(hdev);
2faade53
MH		 5461 }
5462
6659358e 5463complete:
2faade53
MH		 5464 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5465 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5466
5467unlock:
5468 hci_dev_unlock(hdev);
5469 return err;
5470}
5471
a26f3dcf
JH		 5472static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5473 u16 len)
5474{
5475 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5476 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5477 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5478 u16 param_count, expected_len;
5479 int i;
5480
5481 if (!lmp_le_capable(hdev))
5482 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5483 MGMT_STATUS_NOT_SUPPORTED);
5484
5485 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5486 if (param_count > max_param_count) {
5487 BT_ERR("load_conn_param: too big param_count value %u",
5488 param_count);
5489 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5490 MGMT_STATUS_INVALID_PARAMS);
5491 }
a26f3dcf
JH		 5492
5493 expected_len = sizeof(*cp) + param_count *
5494 sizeof(struct mgmt_conn_param);
5495 if (expected_len != len) {
5496 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5497 expected_len, len);
5498 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5499 MGMT_STATUS_INVALID_PARAMS);
5500 }
5501
5502 BT_DBG("%s param_count %u", hdev->name, param_count);
5503
5504 hci_dev_lock(hdev);
5505
5506 hci_conn_params_clear_disabled(hdev);
5507
5508 for (i = 0; i < param_count; i++) {
5509 struct mgmt_conn_param *param = &cp->params[i];
5510 struct hci_conn_params *hci_param;
5511 u16 min, max, latency, timeout;
5512 u8 addr_type;
5513
5514 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5515 param->addr.type);
5516
5517 if (param->addr.type == BDADDR_LE_PUBLIC) {
5518 addr_type = ADDR_LE_DEV_PUBLIC;
5519 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5520 addr_type = ADDR_LE_DEV_RANDOM;
5521 } else {
5522 BT_ERR("Ignoring invalid connection parameters");
5523 continue;
5524 }
5525
5526 min = le16_to_cpu(param->min_interval);
5527 max = le16_to_cpu(param->max_interval);
5528 latency = le16_to_cpu(param->latency);
5529 timeout = le16_to_cpu(param->timeout);
5530
5531 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5532 min, max, latency, timeout);
5533
5534 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5535 BT_ERR("Ignoring invalid connection parameters");
5536 continue;
5537 }
5538
5539 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5540 addr_type);
5541 if (!hci_param) {
5542 BT_ERR("Failed to add connection parameters");
5543 continue;
5544 }
5545
5546 hci_param->conn_min_interval = min;
5547 hci_param->conn_max_interval = max;
5548 hci_param->conn_latency = latency;
5549 hci_param->supervision_timeout = timeout;
5550 }
5551
5552 hci_dev_unlock(hdev);
5553
5554 return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
5555}
5556
dbece37a
MH		 5557static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5558 void *data, u16 len)
5559{
5560 struct mgmt_cp_set_external_config *cp = data;
5561 bool changed;
5562 int err;
5563
5564 BT_DBG("%s", hdev->name);
5565
5566 if (hdev_is_powered(hdev))
5567 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5568 MGMT_STATUS_REJECTED);
5569
5570 if (cp->config != 0x00 && cp->config != 0x01)
5571 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5572 MGMT_STATUS_INVALID_PARAMS);
5573
5574 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
5575 return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5576 MGMT_STATUS_NOT_SUPPORTED);
5577
5578 hci_dev_lock(hdev);
5579
5580 if (cp->config)
5581 changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
5582 &hdev->dev_flags);
5583 else
5584 changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
5585 &hdev->dev_flags);
5586
5587 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5588 if (err < 0)
5589 goto unlock;
5590
5591 if (!changed)
5592 goto unlock;
5593
f4537c04
MH		 5594 err = new_options(hdev, sk);
5595
dbece37a
MH		 5596 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
5597 mgmt_index_removed(hdev);
d603b76b
MH		 5598
5599 if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
5600 set_bit(HCI_CONFIG, &hdev->dev_flags);
5601 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5602
5603 queue_work(hdev->req_workqueue, &hdev->power_on);
5604 } else {
5ea234d3 5605 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5606 mgmt_index_added(hdev);
5607 }
dbece37a
MH		 5608 }
5609
5610unlock:
5611 hci_dev_unlock(hdev);
5612 return err;
5613}
5614
9713c17b
MH		 5615static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5616 void *data, u16 len)
5617{
5618 struct mgmt_cp_set_public_address *cp = data;
5619 bool changed;
5620 int err;
5621
5622 BT_DBG("%s", hdev->name);
5623
5624 if (hdev_is_powered(hdev))
5625 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5626 MGMT_STATUS_REJECTED);
5627
5628 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
5629 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5630 MGMT_STATUS_INVALID_PARAMS);
5631
5632 if (!hdev->set_bdaddr)
5633 return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5634 MGMT_STATUS_NOT_SUPPORTED);
5635
5636 hci_dev_lock(hdev);
5637
5638 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5639 bacpy(&hdev->public_addr, &cp->bdaddr);
5640
5641 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5642 if (err < 0)
5643 goto unlock;
5644
5645 if (!changed)
5646 goto unlock;
5647
5648 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5649 err = new_options(hdev, sk);
5650
5651 if (is_configured(hdev)) {
5652 mgmt_index_removed(hdev);
5653
5654 clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
5655
5656 set_bit(HCI_CONFIG, &hdev->dev_flags);
5657 set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
5658
5659 queue_work(hdev->req_workqueue, &hdev->power_on);
5660 }
5661
5662unlock:
5663 hci_dev_unlock(hdev);
5664 return err;
5665}
5666
2e3c35ea 5667static const struct mgmt_handler {
04124681
GP		 5668 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5669 u16 data_len);
be22b54e
JH		 5670 bool var_len;
5671 size_t data_len;
0f4e68cf
JH		 5672} mgmt_handlers[] = {
5673 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5674 { read_version, false, MGMT_READ_VERSION_SIZE },
5675 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5676 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5677 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5678 { set_powered, false, MGMT_SETTING_SIZE },
5679 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5680 { set_connectable, false, MGMT_SETTING_SIZE },
5681 { set_fast_connectable, false, MGMT_SETTING_SIZE },
b2939475 5682 { set_bondable, false, MGMT_SETTING_SIZE },
be22b54e
JH		 5683 { set_link_security, false, MGMT_SETTING_SIZE },
5684 { set_ssp, false, MGMT_SETTING_SIZE },
5685 { set_hs, false, MGMT_SETTING_SIZE },
5686 { set_le, false, MGMT_SETTING_SIZE },
5687 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5688 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5689 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5690 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5691 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5692 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5693 { disconnect, false, MGMT_DISCONNECT_SIZE },
5694 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5695 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5696 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5697 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5698 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5699 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5700 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5701 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5702 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5703 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5704 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5705 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5706 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5707 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5708 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5709 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5710 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5711 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5712 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5713 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5714 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5715 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5716 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5717 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5718 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5719 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5720 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5721 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5722 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5723 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5724 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5725 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
73d1df2a
MH		 5726 { load_conn_param, true, MGMT_LOAD_CONN_PARAM_SIZE },
5727 { read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
9fc3bfb6 5728 { read_config_info, false, MGMT_READ_CONFIG_INFO_SIZE },
dbece37a 5729 { set_external_config, false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
9713c17b 5730 { set_public_address, false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
0f4e68cf
JH		 5731};
5732
0381101f
JH		 5733int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5734{
650f726d
VCG		 5735 void *buf;
5736 u8 *cp;
0381101f 5737 struct mgmt_hdr *hdr;
4e51eae9 5738 u16 opcode, index, len;
bdb6d971 5739 struct hci_dev *hdev = NULL;
2e3c35ea 5740 const struct mgmt_handler *handler;
0381101f
JH		 5741 int err;
5742
5743 BT_DBG("got %zu bytes", msglen);
5744
5745 if (msglen < sizeof(*hdr))
5746 return -EINVAL;
5747
e63a15ec 5748 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5749 if (!buf)
5750 return -ENOMEM;
5751
5752 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5753 err = -EFAULT;
5754 goto done;
5755 }
5756
650f726d 5757 hdr = buf;
1f350c87
MH		 5758 opcode = __le16_to_cpu(hdr->opcode);
5759 index = __le16_to_cpu(hdr->index);
5760 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5761
5762 if (len != msglen - sizeof(*hdr)) {
5763 err = -EINVAL;
5764 goto done;
5765 }
5766
0f4e68cf 5767 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5768 hdev = hci_dev_get(index);
5769 if (!hdev) {
5770 err = cmd_status(sk, index, opcode,
04124681 5771 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5772 goto done;
5773 }
0736cfa8 5774
cebf4cfd 5775 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
d603b76b 5776 test_bit(HCI_CONFIG, &hdev->dev_flags) ||
4a964404 5777 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
0736cfa8
MH		 5778 err = cmd_status(sk, index, opcode,
5779 MGMT_STATUS_INVALID_INDEX);
5780 goto done;
5781 }
42a9bc14
MH		 5782
5783 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
dbece37a 5784 opcode != MGMT_OP_READ_CONFIG_INFO &&
9713c17b
MH		 5785 opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
5786 opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
42a9bc14
MH		 5787 err = cmd_status(sk, index, opcode,
5788 MGMT_STATUS_INVALID_INDEX);
5789 goto done;
5790 }
bdb6d971
JH		 5791 }
5792
0f4e68cf 5793 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5794 mgmt_handlers[opcode].func == NULL) {
0381101f 5795 BT_DBG("Unknown op %u", opcode);
ca69b795 5796 err = cmd_status(sk, index, opcode,
04124681 5797 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5798 goto done;
5799 }
5800
73d1df2a
MH		 5801 if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
5802 opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
5803 err = cmd_status(sk, index, opcode,
5804 MGMT_STATUS_INVALID_INDEX);
5805 goto done;
5806 }
5807
5808 if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
5809 opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
0f4e68cf 5810 err = cmd_status(sk, index, opcode,
04124681 5811 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5812 goto done;
0381101f
JH		 5813 }
5814
be22b54e
JH		 5815 handler = &mgmt_handlers[opcode];
5816
5817 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5818 (!handler->var_len && len != handler->data_len)) {
be22b54e 5819 err = cmd_status(sk, index, opcode,
04124681 5820 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5821 goto done;
5822 }
5823
0f4e68cf
JH		 5824 if (hdev)
5825 mgmt_init_hdev(sk, hdev);
5826
5827 cp = buf + sizeof(*hdr);
5828
be22b54e 5829 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5830 if (err < 0)
5831 goto done;
5832
0381101f
JH		 5833 err = msglen;
5834
5835done:
bdb6d971
JH		 5836 if (hdev)
5837 hci_dev_put(hdev);
5838
0381101f
JH		 5839 kfree(buf);
5840 return err;
5841}
c71e97bf 5842
bf6b56db 5843void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5844{
1514b892 5845 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5846 return;
bb4b2a9a 5847
0602a8ad
MH		 5848 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5849 return;
5850
5851 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5852 mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
5853 else
5854 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5855}
5856
bf6b56db 5857void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5858{
5f159032 5859 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 5860
1514b892 5861 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5862 return;
bb4b2a9a 5863
0602a8ad
MH		 5864 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
5865 return;
5866
744cf19e 5867 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5868
edd3896b
MH		 5869 if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
5870 mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
5871 else
5872 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5873}
5874
6046dc3e 5875/* This function requires the caller holds hdev->lock */
d7347f3c 5876static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 5877{
5878 struct hci_conn_params *p;
5879
5880 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 5881 /* Needed for AUTO_OFF case where might not "really"
5882 * have been powered off.
5883 */
5884 list_del_init(&p->action);
5885
5886 switch (p->auto_connect) {
4b9e7e75 5887 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 5888 case HCI_AUTO_CONN_ALWAYS:
5889 list_add(&p->action, &hdev->pend_le_conns);
5890 break;
5891 case HCI_AUTO_CONN_REPORT:
5892 list_add(&p->action, &hdev->pend_le_reports);
5893 break;
5894 default:
5895 break;
c83ed19d 5896 }
6046dc3e 5897 }
c83ed19d 5898
c83ed19d 5899 hci_update_background_scan(hdev);
6046dc3e
AG		 5900}
5901
229ab39c
JH		 5902static void powered_complete(struct hci_dev *hdev, u8 status)
5903{
5904 struct cmd_lookup match = { NULL, hdev };
5905
5906 BT_DBG("status 0x%02x", status);
5907
5908 hci_dev_lock(hdev);
5909
d7347f3c 5910 restart_le_actions(hdev);
6046dc3e 5911
229ab39c
JH		 5912 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5913
5914 new_settings(hdev, match.sk);
5915
5916 hci_dev_unlock(hdev);
5917
5918 if (match.sk)
5919 sock_put(match.sk);
5920}
5921
70da6243 5922static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5923{
890ea898 5924 struct hci_request req;
70da6243 5925 u8 link_sec;
5add6af8 5926
890ea898
JH		 5927 hci_req_init(&req, hdev);
5928
70da6243
JH		 5929 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5930 !lmp_host_ssp_capable(hdev)) {
5931 u8 ssp = 1;
5e5282bb 5932
890ea898 5933 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5934 }
5add6af8 5935
c73eee91
JH		 5936 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5937 lmp_bredr_capable(hdev)) {
70da6243 5938 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5939
32226e4f
MH		 5940 cp.le = 0x01;
5941 cp.simul = 0x00;
3d1cbdd6 5942
70da6243
JH		 5943 /* Check first if we already have the right
5944 * host state (host features set)
5945 */
5946 if (cp.le != lmp_host_le_capable(hdev) ||
5947 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5948 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5949 sizeof(cp), &cp);
70da6243 5950 }
3d1cbdd6 5951
d13eafce 5952 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5953 /* Make sure the controller has a good default for
5954 * advertising data. This also applies to the case
5955 * where BR/EDR was toggled during the AUTO_OFF phase.
5956 */
f14d8f64 5957 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5958 update_adv_data(&req);
f14d8f64
MH		 5959 update_scan_rsp_data(&req);
5960 }
441ad2d0 5961
bba3aa55
MH		 5962 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5963 enable_advertising(&req);
eeca6f89
JH		 5964 }
5965
70da6243
JH		 5966 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5967 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5968 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5969 sizeof(link_sec), &link_sec);
562fcc24 5970
70da6243 5971 if (lmp_bredr_capable(hdev)) {
56f87901
JH		 5972 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
5973 set_bredr_scan(&req);
890ea898 5974 update_class(&req);
13928971 5975 update_name(&req);
890ea898 5976 update_eir(&req);
70da6243 5977 }
562fcc24 5978
229ab39c 5979 return hci_req_run(&req, powered_complete);
70da6243 5980}
562fcc24 5981
70da6243
JH		 5982int mgmt_powered(struct hci_dev *hdev, u8 powered)
5983{
5984 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 5985 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
5986 u8 zero_cod[] = { 0, 0, 0 };
70da6243 5987 int err;
f0ff92fb 5988
70da6243
JH		 5989 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
5990 return 0;
5991
70da6243 5992 if (powered) {
229ab39c
JH		 5993 if (powered_update_hci(hdev) == 0)
5994 return 0;
fe038884 5995
229ab39c
JH		 5996 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
5997 &match);
5998 goto new_settings;
b24752fe
JH		 5999 }
6000
229ab39c
JH		 6001 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6002 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
6003
6004 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
6005 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6006 zero_cod, sizeof(zero_cod), NULL);
6007
6008new_settings:
beadb2bd 6009 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 6010
6011 if (match.sk)
6012 sock_put(match.sk);
6013
7bb895d6 6014 return err;
5add6af8 6015}
73f22f62 6016
3eec705e 6017void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 6018{
6019 struct pending_cmd *cmd;
6020 u8 status;
6021
6022 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6023 if (!cmd)
3eec705e 6024 return;
96570ffc
JH		 6025
6026 if (err == -ERFKILL)
6027 status = MGMT_STATUS_RFKILLED;
6028 else
6029 status = MGMT_STATUS_FAILED;
6030
3eec705e 6031 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 6032
6033 mgmt_pending_remove(cmd);
96570ffc
JH		 6034}
6035
d1967ff8
MH		 6036void mgmt_discoverable_timeout(struct hci_dev *hdev)
6037{
6038 struct hci_request req;
d1967ff8
MH		 6039
6040 hci_dev_lock(hdev);
6041
6042 /* When discoverable timeout triggers, then just make sure
6043 * the limited discoverable flag is cleared. Even in the case
6044 * of a timeout triggered from general discoverable, it is
6045 * safe to unconditionally clear the flag.
6046 */
6047 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 6048 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 6049
6050 hci_req_init(&req, hdev);
4b580614
JH		 6051 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
6052 u8 scan = SCAN_PAGE;
6053 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
6054 sizeof(scan), &scan);
6055 }
d1967ff8 6056 update_class(&req);
9a43e25f 6057 update_adv_data(&req);
d1967ff8
MH		 6058 hci_req_run(&req, NULL);
6059
6060 hdev->discov_timeout = 0;
6061
9a43e25f
JH		 6062 new_settings(hdev, NULL);
6063
d1967ff8
MH		 6064 hci_dev_unlock(hdev);
6065}
6066
dc4a5ee2
MH		 6067void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6068 bool persistent)
55ed8ca1 6069{
86742e1e 6070 struct mgmt_ev_new_link_key ev;
55ed8ca1 6071
a492cd52 6072 memset(&ev, 0, sizeof(ev));
55ed8ca1 6073
a492cd52 6074 ev.store_hint = persistent;
d753fdc4 6075 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6076 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6077 ev.key.type = key->type;
9b3b4460 6078 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6079 ev.key.pin_len = key->pin_len;
55ed8ca1 6080
dc4a5ee2 6081 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6082}
f7520543 6083
d7b25450
JH		 6084static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6085{
6086 if (ltk->authenticated)
6087 return MGMT_LTK_AUTHENTICATED;
6088
6089 return MGMT_LTK_UNAUTHENTICATED;
6090}
6091
53ac6ab6 6092void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6093{
6094 struct mgmt_ev_new_long_term_key ev;
6095
6096 memset(&ev, 0, sizeof(ev));
6097
5192d301
MH		 6098 /* Devices using resolvable or non-resolvable random addresses
6099 * without providing an indentity resolving key don't require
6100 * to store long term keys. Their addresses will change the
6101 * next time around.
6102 *
6103 * Only when a remote device provides an identity address
6104 * make sure the long term key is stored. If the remote
6105 * identity is known, the long term keys are internally
6106 * mapped to the identity address. So allow static random
6107 * and public addresses here.
6108 */
ba74b666
JH		 6109 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6110 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6111 ev.store_hint = 0x00;
6112 else
53ac6ab6 6113 ev.store_hint = persistent;
ba74b666 6114
346af67b 6115 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6116 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6117 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6118 ev.key.enc_size = key->enc_size;
6119 ev.key.ediv = key->ediv;
fe39c7b2 6120 ev.key.rand = key->rand;
346af67b 6121
2ceba539 6122 if (key->type == SMP_LTK)
346af67b
VCG		 6123 ev.key.master = 1;
6124
346af67b
VCG		 6125 memcpy(ev.key.val, key->val, sizeof(key->val));
6126
083368f7 6127 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6128}
6129
95fbac8a
JH		 6130void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
6131{
6132 struct mgmt_ev_new_irk ev;
6133
6134 memset(&ev, 0, sizeof(ev));
6135
bab6d1e5
MH		 6136 /* For identity resolving keys from devices that are already
6137 * using a public address or static random address, do not
6138 * ask for storing this key. The identity resolving key really
6139 * is only mandatory for devices using resovlable random
6140 * addresses.
6141 *
6142 * Storing all identity resolving keys has the downside that
6143 * they will be also loaded on next boot of they system. More
6144 * identity resolving keys, means more time during scanning is
6145 * needed to actually resolve these addresses.
6146 */
6147 if (bacmp(&irk->rpa, BDADDR_ANY))
6148 ev.store_hint = 0x01;
6149 else
6150 ev.store_hint = 0x00;
6151
95fbac8a
JH		 6152 bacpy(&ev.rpa, &irk->rpa);
6153 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6154 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6155 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6156
6157 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6158}
6159
53ac6ab6
MH		 6160void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6161 bool persistent)
7ee4ea36
MH		 6162{
6163 struct mgmt_ev_new_csrk ev;
6164
6165 memset(&ev, 0, sizeof(ev));
6166
6167 /* Devices using resolvable or non-resolvable random addresses
6168 * without providing an indentity resolving key don't require
6169 * to store signature resolving keys. Their addresses will change
6170 * the next time around.
6171 *
6172 * Only when a remote device provides an identity address
6173 * make sure the signature resolving key is stored. So allow
6174 * static random and public addresses here.
6175 */
6176 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6177 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6178 ev.store_hint = 0x00;
6179 else
53ac6ab6 6180 ev.store_hint = persistent;
7ee4ea36
MH		 6181
6182 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6183 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
6184 ev.key.master = csrk->master;
6185 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6186
6187 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6188}
6189
ffb5a827 6190void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6191 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6192 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6193{
6194 struct mgmt_ev_new_conn_param ev;
6195
c103aea6
JH		 6196 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6197 return;
6198
ffb5a827
AG		 6199 memset(&ev, 0, sizeof(ev));
6200 bacpy(&ev.addr.bdaddr, bdaddr);
6201 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6202 ev.store_hint = store_hint;
ffb5a827
AG		 6203 ev.min_interval = cpu_to_le16(min_interval);
6204 ev.max_interval = cpu_to_le16(max_interval);
6205 ev.latency = cpu_to_le16(latency);
6206 ev.timeout = cpu_to_le16(timeout);
6207
6208 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6209}
6210
94933991
MH		 6211static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6212 u8 data_len)
6213{
6214 eir[eir_len++] = sizeof(type) + data_len;
6215 eir[eir_len++] = type;
6216 memcpy(&eir[eir_len], data, data_len);
6217 eir_len += data_len;
6218
6219 return eir_len;
6220}
6221
ecd90ae7
MH		 6222void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6223 u8 addr_type, u32 flags, u8 *name, u8 name_len,
6224 u8 *dev_class)
f7520543 6225{
b644ba33
JH		 6226 char buf[512];
6227 struct mgmt_ev_device_connected *ev = (void *) buf;
6228 u16 eir_len = 0;
f7520543 6229
b644ba33 6230 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6231 ev->addr.type = link_to_bdaddr(link_type, addr_type);
f7520543 6232
c95f0ba7 6233 ev->flags = __cpu_to_le32(flags);
08c79b61 6234
b644ba33
JH		 6235 if (name_len > 0)
6236 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
04124681 6237 name, name_len);
b644ba33
JH		 6238
6239 if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
53156385 6240 eir_len = eir_append_data(ev->eir, eir_len,
04124681 6241 EIR_CLASS_OF_DEV, dev_class, 3);
b644ba33 6242
eb55ef07 6243 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6244
ecd90ae7
MH		 6245 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6246 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6247}
6248
8962ee74
JH		 6249static void disconnect_rsp(struct pending_cmd *cmd, void *data)
6250{
c68fb7ff 6251 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 6252 struct sock **sk = data;
a38528f1 6253 struct mgmt_rp_disconnect rp;
8962ee74 6254
88c3df13
JH		 6255 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6256 rp.addr.type = cp->addr.type;
8962ee74 6257
aee9b218 6258 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 6259 sizeof(rp));
8962ee74
JH		 6260
6261 *sk = cmd->sk;
6262 sock_hold(*sk);
6263
a664b5bc 6264 mgmt_pending_remove(cmd);
8962ee74
JH		 6265}
6266
124f6e35 6267static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 6268{
b1078ad0 6269 struct hci_dev *hdev = data;
124f6e35
JH		 6270 struct mgmt_cp_unpair_device *cp = cmd->param;
6271 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 6272
6273 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 6274 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6275 rp.addr.type = cp->addr.type;
a8a1d19e 6276
b1078ad0
JH		 6277 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6278
aee9b218 6279 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 6280
6281 mgmt_pending_remove(cmd);
6282}
6283
9b80ec5e 6284void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6285 u8 link_type, u8 addr_type, u8 reason,
6286 bool mgmt_connected)
f7520543 6287{
f0d6a0ea 6288 struct mgmt_ev_device_disconnected ev;
8b064a3a 6289 struct pending_cmd *power_off;
8962ee74 6290 struct sock *sk = NULL;
8962ee74 6291
8b064a3a
JH		 6292 power_off = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6293 if (power_off) {
6294 struct mgmt_mode *cp = power_off->param;
6295
6296 /* The connection is still in hci_conn_hash so test for 1
6297 * instead of 0 to know if this is the last one.
6298 */
a3172b7e
JH		 6299 if (!cp->val && hci_conn_count(hdev) == 1) {
6300 cancel_delayed_work(&hdev->power_off);
8b064a3a 6301 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 6302 }
8b064a3a
JH		 6303 }
6304
12d4a3b2
JH		 6305 if (!mgmt_connected)
6306 return;
6307
57eb776f
AG		 6308 if (link_type != ACL_LINK && link_type != LE_LINK)
6309 return;
6310
744cf19e 6311 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6312
f0d6a0ea
MA		 6313 bacpy(&ev.addr.bdaddr, bdaddr);
6314 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6315 ev.reason = reason;
f7520543 6316
9b80ec5e 6317 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6318
6319 if (sk)
d97dcb66 6320 sock_put(sk);
8962ee74 6321
124f6e35 6322 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6323 hdev);
8962ee74
JH		 6324}
6325
7892924c
MH		 6326void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6327 u8 link_type, u8 addr_type, u8 status)
8962ee74 6328{
3655bba8
AG		 6329 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6330 struct mgmt_cp_disconnect *cp;
88c3df13 6331 struct mgmt_rp_disconnect rp;
8962ee74 6332 struct pending_cmd *cmd;
8962ee74 6333
36a75f1b
JD		 6334 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6335 hdev);
6336
2e58ef3e 6337 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6338 if (!cmd)
7892924c 6339 return;
8962ee74 6340
3655bba8
AG		 6341 cp = cmd->param;
6342
6343 if (bacmp(bdaddr, &cp->addr.bdaddr))
6344 return;
6345
6346 if (cp->addr.type != bdaddr_type)
6347 return;
6348
88c3df13 6349 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 6350 rp.addr.type = bdaddr_type;
37d9ef76 6351
7892924c
MH		 6352 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
6353 mgmt_status(status), &rp, sizeof(rp));
8962ee74 6354
a664b5bc 6355 mgmt_pending_remove(cmd);
f7520543 6356}
17d5c04c 6357
445608d0
MH		 6358void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6359 u8 addr_type, u8 status)
17d5c04c
JH		 6360{
6361 struct mgmt_ev_connect_failed ev;
c9910d0f
JH		 6362 struct pending_cmd *power_off;
6363
6364 power_off = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
6365 if (power_off) {
6366 struct mgmt_mode *cp = power_off->param;
6367
6368 /* The connection is still in hci_conn_hash so test for 1
6369 * instead of 0 to know if this is the last one.
6370 */
a3172b7e
JH		 6371 if (!cp->val && hci_conn_count(hdev) == 1) {
6372 cancel_delayed_work(&hdev->power_off);
c9910d0f 6373 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 6374 }
c9910d0f 6375 }
17d5c04c 6376
4c659c39 6377 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6378 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6379 ev.status = mgmt_status(status);
17d5c04c 6380
445608d0 6381 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 6382}
980e1a53 6383
ce0e4a0d 6384void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 6385{
6386 struct mgmt_ev_pin_code_request ev;
6387
d8457698 6388 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 6389 ev.addr.type = BDADDR_BREDR;
a770bb5a 6390 ev.secure = secure;
980e1a53 6391
ce0e4a0d 6392 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 6393}
6394
e669cf80
MH		 6395void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6396 u8 status)
980e1a53
JH		 6397{
6398 struct pending_cmd *cmd;
ac56fb13 6399 struct mgmt_rp_pin_code_reply rp;
980e1a53 6400
2e58ef3e 6401 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 6402 if (!cmd)
e669cf80 6403 return;
980e1a53 6404
d8457698 6405 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6406 rp.addr.type = BDADDR_BREDR;
ac56fb13 6407
e669cf80
MH		 6408 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
6409 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6410
a664b5bc 6411 mgmt_pending_remove(cmd);
980e1a53
JH		 6412}
6413
3eb38528
MH		 6414void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
6415 u8 status)
980e1a53
JH		 6416{
6417 struct pending_cmd *cmd;
ac56fb13 6418 struct mgmt_rp_pin_code_reply rp;
980e1a53 6419
2e58ef3e 6420 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 6421 if (!cmd)
3eb38528 6422 return;
980e1a53 6423
d8457698 6424 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 6425 rp.addr.type = BDADDR_BREDR;
ac56fb13 6426
3eb38528
MH		 6427 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
6428 mgmt_status(status), &rp, sizeof(rp));
980e1a53 6429
a664b5bc 6430 mgmt_pending_remove(cmd);
980e1a53 6431}
a5c29683 6432
744cf19e 6433int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 6434 u8 link_type, u8 addr_type, u32 value,
04124681 6435 u8 confirm_hint)
a5c29683
JH		 6436{
6437 struct mgmt_ev_user_confirm_request ev;
6438
744cf19e 6439 BT_DBG("%s", hdev->name);
a5c29683 6440
272d90df 6441 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6442 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 6443 ev.confirm_hint = confirm_hint;
39adbffe 6444 ev.value = cpu_to_le32(value);
a5c29683 6445
744cf19e 6446 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 6447 NULL);
a5c29683
JH		 6448}
6449
272d90df 6450int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 6451 u8 link_type, u8 addr_type)
604086b7
BG		 6452{
6453 struct mgmt_ev_user_passkey_request ev;
6454
6455 BT_DBG("%s", hdev->name);
6456
272d90df 6457 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6458 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 6459
6460 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 6461 NULL);
604086b7
BG		 6462}
6463
0df4c185 6464static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 6465 u8 link_type, u8 addr_type, u8 status,
6466 u8 opcode)
a5c29683
JH		 6467{
6468 struct pending_cmd *cmd;
6469 struct mgmt_rp_user_confirm_reply rp;
6470 int err;
6471
2e58ef3e 6472 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH		 6473 if (!cmd)
6474 return -ENOENT;
6475
272d90df 6476 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 6477 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 6478 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 6479 &rp, sizeof(rp));
a5c29683 6480
a664b5bc 6481 mgmt_pending_remove(cmd);
a5c29683
JH		 6482
6483 return err;
6484}
6485
744cf19e 6486int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6487 u8 link_type, u8 addr_type, u8 status)
a5c29683 6488{
272d90df 6489 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6490 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 6491}
6492
272d90df 6493int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6494 u8 link_type, u8 addr_type, u8 status)
a5c29683 6495{
272d90df 6496 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6497 status,
6498 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 6499}
2a611692 6500
604086b7 6501int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6502 u8 link_type, u8 addr_type, u8 status)
604086b7 6503{
272d90df 6504 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 6505 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 6506}
6507
272d90df 6508int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 6509 u8 link_type, u8 addr_type, u8 status)
604086b7 6510{
272d90df 6511 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 6512 status,
6513 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 6514}
6515
92a25256
JH		 6516int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
6517 u8 link_type, u8 addr_type, u32 passkey,
6518 u8 entered)
6519{
6520 struct mgmt_ev_passkey_notify ev;
6521
6522 BT_DBG("%s", hdev->name);
6523
6524 bacpy(&ev.addr.bdaddr, bdaddr);
6525 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6526 ev.passkey = __cpu_to_le32(passkey);
6527 ev.entered = entered;
6528
6529 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
6530}
6531
e546099c
MH		 6532void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6533 u8 addr_type, u8 status)
2a611692
JH		 6534{
6535 struct mgmt_ev_auth_failed ev;
6536
bab73cb6 6537 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 6538 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 6539 ev.status = mgmt_status(status);
2a611692 6540
e546099c 6541 mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL);
2a611692 6542}
b312b161 6543
464996ae 6544void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 6545{
6546 struct cmd_lookup match = { NULL, hdev };
464996ae 6547 bool changed;
33ef95ed
JH		 6548
6549 if (status) {
6550 u8 mgmt_err = mgmt_status(status);
6551 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 6552 cmd_status_rsp, &mgmt_err);
464996ae 6553 return;
33ef95ed
JH		 6554 }
6555
464996ae
MH		 6556 if (test_bit(HCI_AUTH, &hdev->flags))
6557 changed = !test_and_set_bit(HCI_LINK_SECURITY,
6558 &hdev->dev_flags);
6559 else
6560 changed = test_and_clear_bit(HCI_LINK_SECURITY,
6561 &hdev->dev_flags);
47990ea0 6562
33ef95ed 6563 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6564 &match);
33ef95ed 6565
47990ea0 6566 if (changed)
464996ae 6567 new_settings(hdev, match.sk);
33ef95ed
JH		 6568
6569 if (match.sk)
6570 sock_put(match.sk);
33ef95ed
JH		 6571}
6572
890ea898 6573static void clear_eir(struct hci_request *req)
cacaf52f 6574{
890ea898 6575 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6576 struct hci_cp_write_eir cp;
6577
976eb20e 6578 if (!lmp_ext_inq_capable(hdev))
890ea898 6579 return;
cacaf52f 6580
c80da27e
JH		 6581 memset(hdev->eir, 0, sizeof(hdev->eir));
6582
cacaf52f
JH		 6583 memset(&cp, 0, sizeof(cp));
6584
890ea898 6585 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 6586}
6587
3e248560 6588void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 6589{
6590 struct cmd_lookup match = { NULL, hdev };
890ea898 6591 struct hci_request req;
c0ecddc2 6592 bool changed = false;
ed2c4ee3
JH		 6593
6594 if (status) {
6595 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH		 6596
6597 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
9ecb3e24
MH		 6598 &hdev->dev_flags)) {
6599 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
3e248560 6600 new_settings(hdev, NULL);
9ecb3e24 6601 }
c0ecddc2 6602
04124681
GP		 6603 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
6604 &mgmt_err);
3e248560 6605 return;
c0ecddc2
JH		 6606 }
6607
6608 if (enable) {
9ecb3e24 6609 changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
c0ecddc2 6610 } else {
9ecb3e24
MH		 6611 changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
6612 if (!changed)
6613 changed = test_and_clear_bit(HCI_HS_ENABLED,
6614 &hdev->dev_flags);
6615 else
6616 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
ed2c4ee3
JH		 6617 }
6618
6619 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
6620
c0ecddc2 6621 if (changed)
3e248560 6622 new_settings(hdev, match.sk);
ed2c4ee3 6623
5fc6ebb1 6624 if (match.sk)
ed2c4ee3
JH		 6625 sock_put(match.sk);
6626
890ea898
JH		 6627 hci_req_init(&req, hdev);
6628
3769972b
JH		 6629 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
6630 if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
6631 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
6632 sizeof(enable), &enable);
890ea898 6633 update_eir(&req);
3769972b 6634 } else {
890ea898 6635 clear_eir(&req);
3769972b 6636 }
890ea898
JH		 6637
6638 hci_req_run(&req, NULL);
ed2c4ee3
JH		 6639}
6640
eac83dc6
MH		 6641void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
6642{
6643 struct cmd_lookup match = { NULL, hdev };
6644 bool changed = false;
6645
6646 if (status) {
6647 u8 mgmt_err = mgmt_status(status);
6648
0ab04a9c
MH		 6649 if (enable) {
6650 if (test_and_clear_bit(HCI_SC_ENABLED,
6651 &hdev->dev_flags))
6652 new_settings(hdev, NULL);
6653 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6654 }
eac83dc6
MH		 6655
6656 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6657 cmd_status_rsp, &mgmt_err);
6658 return;
6659 }
6660
0ab04a9c 6661 if (enable) {
eac83dc6 6662 changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c 6663 } else {
eac83dc6 6664 changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c
MH		 6665 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6666 }
eac83dc6
MH		 6667
6668 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6669 settings_rsp, &match);
6670
6671 if (changed)
6672 new_settings(hdev, match.sk);
6673
6674 if (match.sk)
6675 sock_put(match.sk);
6676}
6677
92da6097 6678static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH		 6679{
6680 struct cmd_lookup *match = data;
6681
90e70454
JH		 6682 if (match->sk == NULL) {
6683 match->sk = cmd->sk;
6684 sock_hold(match->sk);
6685 }
90e70454
JH		 6686}
6687
4e1b0245
MH		 6688void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
6689 u8 status)
7f9a903c 6690{
90e70454 6691 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 6692
92da6097
JH		 6693 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
6694 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
6695 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 6696
6697 if (!status)
4e1b0245
MH		 6698 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
6699 NULL);
90e70454
JH		 6700
6701 if (match.sk)
6702 sock_put(match.sk);
7f9a903c
MH		 6703}
6704
7667da34 6705void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 6706{
b312b161 6707 struct mgmt_cp_set_local_name ev;
13928971 6708 struct pending_cmd *cmd;
28cc7bde 6709
13928971 6710 if (status)
7667da34 6711 return;
b312b161
JH		 6712
6713 memset(&ev, 0, sizeof(ev));
6714 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 6715 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 6716
2e58ef3e 6717 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 6718 if (!cmd) {
6719 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 6720
13928971
JH		 6721 /* If this is a HCI command related to powering on the
6722 * HCI dev don't send any mgmt signals.
6723 */
6724 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 6725 return;
890ea898 6726 }
b312b161 6727
7667da34
MH		 6728 mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
6729 cmd ? cmd->sk : NULL);
b312b161 6730}
c35938b2 6731
4d2d2796
MH		 6732void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
6733 u8 *randomizer192, u8 *hash256,
6734 u8 *randomizer256, u8 status)
c35938b2
SJ		 6735{
6736 struct pending_cmd *cmd;
c35938b2 6737
744cf19e 6738 BT_DBG("%s status %u", hdev->name, status);
c35938b2 6739
2e58ef3e 6740 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2 6741 if (!cmd)
3edaf092 6742 return;
c35938b2
SJ		 6743
6744 if (status) {
3edaf092
MH		 6745 cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
6746 mgmt_status(status));
c35938b2 6747 } else {
4d2d2796
MH		 6748 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
6749 hash256 && randomizer256) {
6750 struct mgmt_rp_read_local_oob_ext_data rp;
6751
6752 memcpy(rp.hash192, hash192, sizeof(rp.hash192));
6753 memcpy(rp.randomizer192, randomizer192,
6754 sizeof(rp.randomizer192));
c35938b2 6755
4d2d2796
MH		 6756 memcpy(rp.hash256, hash256, sizeof(rp.hash256));
6757 memcpy(rp.randomizer256, randomizer256,
6758 sizeof(rp.randomizer256));
c35938b2 6759
4d2d2796
MH		 6760 cmd_complete(cmd->sk, hdev->id,
6761 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6762 &rp, sizeof(rp));
6763 } else {
6764 struct mgmt_rp_read_local_oob_data rp;
6765
6766 memcpy(rp.hash, hash192, sizeof(rp.hash));
6767 memcpy(rp.randomizer, randomizer192,
6768 sizeof(rp.randomizer));
6769
6770 cmd_complete(cmd->sk, hdev->id,
6771 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6772 &rp, sizeof(rp));
6773 }
c35938b2
SJ		 6774 }
6775
6776 mgmt_pending_remove(cmd);
c35938b2 6777}
e17acd40 6778
901801b9 6779void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
af58925c
MH		 6780 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
6781 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 6782{
e319d2e7
JH		 6783 char buf[512];
6784 struct mgmt_ev_device_found *ev = (void *) buf;
1dc06093 6785 size_t ev_size;
e17acd40 6786
75ce208c
JH		 6787 /* Don't send events for a non-kernel initiated discovery. With
6788 * LE one exception is if we have pend_le_reports > 0 in which
6789 * case we're doing passive scanning and want these events.
6790 */
6791 if (!hci_discovery_active(hdev)) {
6792 if (link_type == ACL_LINK)
6793 return;
66f8455a 6794 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
75ce208c
JH		 6795 return;
6796 }
12602d0c 6797
5d2e9fad
JH		 6798 /* Make sure that the buffer is big enough. The 5 extra bytes
6799 * are for the potential CoD field.
6800 */
6801 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
901801b9 6802 return;
7d262f86 6803
1dc06093
JH		 6804 memset(buf, 0, sizeof(buf));
6805
841c5644
JH		 6806 bacpy(&ev->addr.bdaddr, bdaddr);
6807 ev->addr.type = link_to_bdaddr(link_type, addr_type);
e319d2e7 6808 ev->rssi = rssi;
af58925c 6809 ev->flags = cpu_to_le32(flags);
e17acd40 6810
1dc06093 6811 if (eir_len > 0)
e319d2e7 6812 memcpy(ev->eir, eir, eir_len);
e17acd40 6813
1dc06093
JH		 6814 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
6815 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 6816 dev_class, 3);
1dc06093 6817
5d2e9fad
JH		 6818 if (scan_rsp_len > 0)
6819 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
6820
6821 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
6822 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 6823
901801b9 6824 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 6825}
a88a9652 6826
9cf12aee
MH		 6827void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6828 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 6829{
b644ba33
JH		 6830 struct mgmt_ev_device_found *ev;
6831 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
6832 u16 eir_len;
a88a9652 6833
b644ba33 6834 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 6835
b644ba33
JH		 6836 memset(buf, 0, sizeof(buf));
6837
6838 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6839 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 6840 ev->rssi = rssi;
6841
6842 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 6843 name_len);
b644ba33 6844
eb55ef07 6845 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 6846
9cf12aee 6847 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 6848}
314b2381 6849
2f1e063b 6850void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 6851{
f963e8e9 6852 struct mgmt_ev_discovering ev;
164a6e78
JH		 6853 struct pending_cmd *cmd;
6854
343fb145
AG		 6855 BT_DBG("%s discovering %u", hdev->name, discovering);
6856
164a6e78 6857 if (discovering)
2e58ef3e 6858 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78 6859 else
2e58ef3e 6860 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
164a6e78
JH		 6861
6862 if (cmd != NULL) {
f808e166
JH		 6863 u8 type = hdev->discovery.type;
6864
04124681
GP		 6865 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
6866 sizeof(type));
164a6e78
JH		 6867 mgmt_pending_remove(cmd);
6868 }
6869
f963e8e9
JH		 6870 memset(&ev, 0, sizeof(ev));
6871 ev.type = hdev->discovery.type;
6872 ev.discovering = discovering;
6873
2f1e063b 6874 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 6875}
5e762444 6876
5976e608
MH		 6877static void adv_enable_complete(struct hci_dev *hdev, u8 status)
6878{
6879 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 6880}
6881
6882void mgmt_reenable_advertising(struct hci_dev *hdev)
6883{
6884 struct hci_request req;
6885
5976e608
MH		 6886 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
6887 return;
6888
6889 hci_req_init(&req, hdev);
6890 enable_advertising(&req);
0ec5ae84 6891 hci_req_run(&req, adv_enable_complete);
5976e608 6892}
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