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arm64: cpufeature: Schedule enable() calls instead of calling them via IPI
[linux-2.6-block.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>
7129069e 32#include <net/bluetooth/hci_sock.h>
4bc58f51 33#include <net/bluetooth/l2cap.h>
0381101f 34#include <net/bluetooth/mgmt.h>
ac4b7236 35
0857dd3b 36#include "hci_request.h"
ac4b7236 37#include "smp.h"
a380b6cf 38#include "mgmt_util.h"
0381101f 39
2da9c55c 40#define MGMT_VERSION 1
3310230c 41#define MGMT_REVISION 14
02d98129 42
e70bb2e8
JH		 43static const u16 mgmt_commands[] = {
44 MGMT_OP_READ_INDEX_LIST,
45 MGMT_OP_READ_INFO,
46 MGMT_OP_SET_POWERED,
47 MGMT_OP_SET_DISCOVERABLE,
48 MGMT_OP_SET_CONNECTABLE,
49 MGMT_OP_SET_FAST_CONNECTABLE,
b2939475 50 MGMT_OP_SET_BONDABLE,
e70bb2e8
JH		 51 MGMT_OP_SET_LINK_SECURITY,
52 MGMT_OP_SET_SSP,
53 MGMT_OP_SET_HS,
54 MGMT_OP_SET_LE,
55 MGMT_OP_SET_DEV_CLASS,
56 MGMT_OP_SET_LOCAL_NAME,
57 MGMT_OP_ADD_UUID,
58 MGMT_OP_REMOVE_UUID,
59 MGMT_OP_LOAD_LINK_KEYS,
60 MGMT_OP_LOAD_LONG_TERM_KEYS,
61 MGMT_OP_DISCONNECT,
62 MGMT_OP_GET_CONNECTIONS,
63 MGMT_OP_PIN_CODE_REPLY,
64 MGMT_OP_PIN_CODE_NEG_REPLY,
65 MGMT_OP_SET_IO_CAPABILITY,
66 MGMT_OP_PAIR_DEVICE,
67 MGMT_OP_CANCEL_PAIR_DEVICE,
68 MGMT_OP_UNPAIR_DEVICE,
69 MGMT_OP_USER_CONFIRM_REPLY,
70 MGMT_OP_USER_CONFIRM_NEG_REPLY,
71 MGMT_OP_USER_PASSKEY_REPLY,
72 MGMT_OP_USER_PASSKEY_NEG_REPLY,
73 MGMT_OP_READ_LOCAL_OOB_DATA,
74 MGMT_OP_ADD_REMOTE_OOB_DATA,
75 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
76 MGMT_OP_START_DISCOVERY,
77 MGMT_OP_STOP_DISCOVERY,
78 MGMT_OP_CONFIRM_NAME,
79 MGMT_OP_BLOCK_DEVICE,
80 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 81 MGMT_OP_SET_DEVICE_ID,
4375f103 82 MGMT_OP_SET_ADVERTISING,
0663ca2a 83 MGMT_OP_SET_BREDR,
d13eafce 84 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 85 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 86 MGMT_OP_SET_SECURE_CONN,
4e39ac81 87 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 88 MGMT_OP_SET_PRIVACY,
41edf160 89 MGMT_OP_LOAD_IRKS,
dd983808 90 MGMT_OP_GET_CONN_INFO,
95868426 91 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 92 MGMT_OP_ADD_DEVICE,
93 MGMT_OP_REMOVE_DEVICE,
a26f3dcf 94 MGMT_OP_LOAD_CONN_PARAM,
73d1df2a 95 MGMT_OP_READ_UNCONF_INDEX_LIST,
9fc3bfb6 96 MGMT_OP_READ_CONFIG_INFO,
dbece37a 97 MGMT_OP_SET_EXTERNAL_CONFIG,
9713c17b 98 MGMT_OP_SET_PUBLIC_ADDRESS,
66ea9427 99 MGMT_OP_START_SERVICE_DISCOVERY,
4f0f155c 100 MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
96f1474a 101 MGMT_OP_READ_EXT_INDEX_LIST,
d3d5305b 102 MGMT_OP_READ_ADV_FEATURES,
24b4f38f 103 MGMT_OP_ADD_ADVERTISING,
da929335 104 MGMT_OP_REMOVE_ADVERTISING,
40b25fe5 105 MGMT_OP_GET_ADV_SIZE_INFO,
78b781ca 106 MGMT_OP_START_LIMITED_DISCOVERY,
321c6fee 107 MGMT_OP_READ_EXT_INFO,
c4960ecf 108 MGMT_OP_SET_APPEARANCE,
e70bb2e8
JH		 109};
110
111static const u16 mgmt_events[] = {
112 MGMT_EV_CONTROLLER_ERROR,
113 MGMT_EV_INDEX_ADDED,
114 MGMT_EV_INDEX_REMOVED,
115 MGMT_EV_NEW_SETTINGS,
116 MGMT_EV_CLASS_OF_DEV_CHANGED,
117 MGMT_EV_LOCAL_NAME_CHANGED,
118 MGMT_EV_NEW_LINK_KEY,
119 MGMT_EV_NEW_LONG_TERM_KEY,
120 MGMT_EV_DEVICE_CONNECTED,
121 MGMT_EV_DEVICE_DISCONNECTED,
122 MGMT_EV_CONNECT_FAILED,
123 MGMT_EV_PIN_CODE_REQUEST,
124 MGMT_EV_USER_CONFIRM_REQUEST,
125 MGMT_EV_USER_PASSKEY_REQUEST,
126 MGMT_EV_AUTH_FAILED,
127 MGMT_EV_DEVICE_FOUND,
128 MGMT_EV_DISCOVERING,
129 MGMT_EV_DEVICE_BLOCKED,
130 MGMT_EV_DEVICE_UNBLOCKED,
131 MGMT_EV_DEVICE_UNPAIRED,
92a25256 132 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 133 MGMT_EV_NEW_IRK,
7ee4ea36 134 MGMT_EV_NEW_CSRK,
8afef092
MH		 135 MGMT_EV_DEVICE_ADDED,
136 MGMT_EV_DEVICE_REMOVED,
ffb5a827 137 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 138 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 139 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 140 MGMT_EV_NEW_CONFIG_OPTIONS,
ced85549
MH		 141 MGMT_EV_EXT_INDEX_ADDED,
142 MGMT_EV_EXT_INDEX_REMOVED,
72000df2 143 MGMT_EV_LOCAL_OOB_DATA_UPDATED,
24b4f38f
AU		 144 MGMT_EV_ADVERTISING_ADDED,
145 MGMT_EV_ADVERTISING_REMOVED,
321c6fee 146 MGMT_EV_EXT_INFO_CHANGED,
e70bb2e8
JH		 147};
148
99c679ac
MH		 149static const u16 mgmt_untrusted_commands[] = {
150 MGMT_OP_READ_INDEX_LIST,
151 MGMT_OP_READ_INFO,
152 MGMT_OP_READ_UNCONF_INDEX_LIST,
153 MGMT_OP_READ_CONFIG_INFO,
154 MGMT_OP_READ_EXT_INDEX_LIST,
321c6fee 155 MGMT_OP_READ_EXT_INFO,
99c679ac
MH		 156};
157
158static const u16 mgmt_untrusted_events[] = {
159 MGMT_EV_INDEX_ADDED,
160 MGMT_EV_INDEX_REMOVED,
161 MGMT_EV_NEW_SETTINGS,
162 MGMT_EV_CLASS_OF_DEV_CHANGED,
163 MGMT_EV_LOCAL_NAME_CHANGED,
164 MGMT_EV_UNCONF_INDEX_ADDED,
165 MGMT_EV_UNCONF_INDEX_REMOVED,
166 MGMT_EV_NEW_CONFIG_OPTIONS,
167 MGMT_EV_EXT_INDEX_ADDED,
168 MGMT_EV_EXT_INDEX_REMOVED,
321c6fee 169 MGMT_EV_EXT_INFO_CHANGED,
99c679ac
MH		 170};
171
17b02e62 172#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 173
d25b78e2
JH		 174#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
175 "\x00\x00\x00\x00\x00\x00\x00\x00"
176
ca69b795
JH		 177/* HCI to MGMT error code conversion table */
178static u8 mgmt_status_table[] = {
179 MGMT_STATUS_SUCCESS,
180 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
181 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
182 MGMT_STATUS_FAILED, /* Hardware Failure */
183 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
184 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 185 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 186 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
187 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
188 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
189 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
190 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
191 MGMT_STATUS_BUSY, /* Command Disallowed */
192 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
193 MGMT_STATUS_REJECTED, /* Rejected Security */
194 MGMT_STATUS_REJECTED, /* Rejected Personal */
195 MGMT_STATUS_TIMEOUT, /* Host Timeout */
196 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
197 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
198 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
199 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
200 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
201 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
202 MGMT_STATUS_BUSY, /* Repeated Attempts */
203 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
204 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
205 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
206 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
207 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
208 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
209 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
210 MGMT_STATUS_FAILED, /* Unspecified Error */
211 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
212 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
213 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
214 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
215 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
216 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
217 MGMT_STATUS_FAILED, /* Unit Link Key Used */
218 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
219 MGMT_STATUS_TIMEOUT, /* Instant Passed */
220 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
221 MGMT_STATUS_FAILED, /* Transaction Collision */
222 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
223 MGMT_STATUS_REJECTED, /* QoS Rejected */
224 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
225 MGMT_STATUS_REJECTED, /* Insufficient Security */
226 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
227 MGMT_STATUS_BUSY, /* Role Switch Pending */
228 MGMT_STATUS_FAILED, /* Slot Violation */
229 MGMT_STATUS_FAILED, /* Role Switch Failed */
230 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
231 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
232 MGMT_STATUS_BUSY, /* Host Busy Pairing */
233 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
234 MGMT_STATUS_BUSY, /* Controller Busy */
235 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
236 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
237 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
238 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
239 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
240};
241
242static u8 mgmt_status(u8 hci_status)
243{
244 if (hci_status < ARRAY_SIZE(mgmt_status_table))
245 return mgmt_status_table[hci_status];
246
247 return MGMT_STATUS_FAILED;
248}
249
c08b1a1d
MH		 250static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
251 u16 len, int flag)
f9207338 252{
c08b1a1d
MH		 253 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
254 flag, NULL);
f9207338
MH		 255}
256
72000df2
MH		 257static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
258 u16 len, int flag, struct sock *skip_sk)
259{
260 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
261 flag, skip_sk);
262}
263
7a00ff44
JH		 264static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
265 struct sock *skip_sk)
266{
267 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
c08b1a1d 268 HCI_SOCK_TRUSTED, skip_sk);
7a00ff44
JH		 269}
270
85813a7e
JH		 271static u8 le_addr_type(u8 mgmt_addr_type)
272{
273 if (mgmt_addr_type == BDADDR_LE_PUBLIC)
274 return ADDR_LE_DEV_PUBLIC;
275 else
276 return ADDR_LE_DEV_RANDOM;
277}
278
03c979c4
MH		 279void mgmt_fill_version_info(void *ver)
280{
281 struct mgmt_rp_read_version *rp = ver;
282
283 rp->version = MGMT_VERSION;
284 rp->revision = cpu_to_le16(MGMT_REVISION);
285}
286
04124681
GP		 287static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
288 u16 data_len)
a38528f1
JH		 289{
290 struct mgmt_rp_read_version rp;
291
292 BT_DBG("sock %p", sk);
293
03c979c4 294 mgmt_fill_version_info(&rp);
a38528f1 295
2a1afb5a
JH		 296 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
297 &rp, sizeof(rp));
a38528f1
JH		 298}
299
04124681
GP		 300static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
301 u16 data_len)
e70bb2e8
JH		 302{
303 struct mgmt_rp_read_commands *rp;
99c679ac 304 u16 num_commands, num_events;
e70bb2e8
JH		 305 size_t rp_size;
306 int i, err;
307
308 BT_DBG("sock %p", sk);
309
99c679ac
MH		 310 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
311 num_commands = ARRAY_SIZE(mgmt_commands);
312 num_events = ARRAY_SIZE(mgmt_events);
313 } else {
314 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
315 num_events = ARRAY_SIZE(mgmt_untrusted_events);
316 }
317
e70bb2e8
JH		 318 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
319
320 rp = kmalloc(rp_size, GFP_KERNEL);
321 if (!rp)
322 return -ENOMEM;
323
dcf4adbf
JP		 324 rp->num_commands = cpu_to_le16(num_commands);
325 rp->num_events = cpu_to_le16(num_events);
e70bb2e8 326
99c679ac
MH		 327 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
328 __le16 *opcode = rp->opcodes;
329
330 for (i = 0; i < num_commands; i++, opcode++)
331 put_unaligned_le16(mgmt_commands[i], opcode);
e70bb2e8 332
99c679ac
MH		 333 for (i = 0; i < num_events; i++, opcode++)
334 put_unaligned_le16(mgmt_events[i], opcode);
335 } else {
336 __le16 *opcode = rp->opcodes;
337
338 for (i = 0; i < num_commands; i++, opcode++)
339 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
340
341 for (i = 0; i < num_events; i++, opcode++)
342 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
343 }
e70bb2e8 344
2a1afb5a
JH		 345 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
346 rp, rp_size);
e70bb2e8
JH		 347 kfree(rp);
348
349 return err;
350}
351
04124681
GP		 352static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
353 u16 data_len)
faba42eb 354{
faba42eb 355 struct mgmt_rp_read_index_list *rp;
8035ded4 356 struct hci_dev *d;
a38528f1 357 size_t rp_len;
faba42eb 358 u16 count;
476e44cb 359 int err;
faba42eb
JH		 360
361 BT_DBG("sock %p", sk);
362
363 read_lock(&hci_dev_list_lock);
364
365 count = 0;
bb4b2a9a 366 list_for_each_entry(d, &hci_dev_list, list) {
ca8bee5d 367 if (d->dev_type == HCI_PRIMARY &&
d7a5a11d 368 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
1514b892 369 count++;
faba42eb
JH		 370 }
371
a38528f1
JH		 372 rp_len = sizeof(*rp) + (2 * count);
373 rp = kmalloc(rp_len, GFP_ATOMIC);
374 if (!rp) {
b2c60d42 375 read_unlock(&hci_dev_list_lock);
faba42eb 376 return -ENOMEM;
b2c60d42 377 }
faba42eb 378
476e44cb 379 count = 0;
8035ded4 380 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 381 if (hci_dev_test_flag(d, HCI_SETUP) ||
382 hci_dev_test_flag(d, HCI_CONFIG) ||
383 hci_dev_test_flag(d, HCI_USER_CHANNEL))
ab81cbf9
JH		 384 continue;
385
73d1df2a
MH		 386 /* Devices marked as raw-only are neither configured
387 * nor unconfigured controllers.
388 */
389 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 390 continue;
391
ca8bee5d 392 if (d->dev_type == HCI_PRIMARY &&
d7a5a11d 393 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
1514b892
MH		 394 rp->index[count++] = cpu_to_le16(d->id);
395 BT_DBG("Added hci%u", d->id);
396 }
faba42eb
JH		 397 }
398
476e44cb
JH		 399 rp->num_controllers = cpu_to_le16(count);
400 rp_len = sizeof(*rp) + (2 * count);
401
faba42eb
JH		 402 read_unlock(&hci_dev_list_lock);
403
2a1afb5a
JH		 404 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
405 0, rp, rp_len);
faba42eb 406
a38528f1
JH		 407 kfree(rp);
408
409 return err;
faba42eb
JH		 410}
411
73d1df2a
MH		 412static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
413 void *data, u16 data_len)
414{
415 struct mgmt_rp_read_unconf_index_list *rp;
416 struct hci_dev *d;
417 size_t rp_len;
418 u16 count;
419 int err;
420
421 BT_DBG("sock %p", sk);
422
423 read_lock(&hci_dev_list_lock);
424
425 count = 0;
426 list_for_each_entry(d, &hci_dev_list, list) {
ca8bee5d 427 if (d->dev_type == HCI_PRIMARY &&
d7a5a11d 428 hci_dev_test_flag(d, HCI_UNCONFIGURED))
73d1df2a
MH		 429 count++;
430 }
431
432 rp_len = sizeof(*rp) + (2 * count);
433 rp = kmalloc(rp_len, GFP_ATOMIC);
434 if (!rp) {
435 read_unlock(&hci_dev_list_lock);
436 return -ENOMEM;
437 }
438
439 count = 0;
440 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 441 if (hci_dev_test_flag(d, HCI_SETUP) ||
442 hci_dev_test_flag(d, HCI_CONFIG) ||
443 hci_dev_test_flag(d, HCI_USER_CHANNEL))
73d1df2a
MH		 444 continue;
445
446 /* Devices marked as raw-only are neither configured
447 * nor unconfigured controllers.
448 */
449 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
450 continue;
451
ca8bee5d 452 if (d->dev_type == HCI_PRIMARY &&
d7a5a11d 453 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
73d1df2a
MH		 454 rp->index[count++] = cpu_to_le16(d->id);
455 BT_DBG("Added hci%u", d->id);
456 }
457 }
458
459 rp->num_controllers = cpu_to_le16(count);
460 rp_len = sizeof(*rp) + (2 * count);
461
462 read_unlock(&hci_dev_list_lock);
463
2a1afb5a
JH		 464 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
465 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
73d1df2a
MH		 466
467 kfree(rp);
468
469 return err;
470}
471
96f1474a
MH		 472static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
473 void *data, u16 data_len)
474{
475 struct mgmt_rp_read_ext_index_list *rp;
476 struct hci_dev *d;
477 size_t rp_len;
478 u16 count;
479 int err;
480
481 BT_DBG("sock %p", sk);
482
483 read_lock(&hci_dev_list_lock);
484
485 count = 0;
486 list_for_each_entry(d, &hci_dev_list, list) {
ca8bee5d 487 if (d->dev_type == HCI_PRIMARY || d->dev_type == HCI_AMP)
96f1474a
MH		 488 count++;
489 }
490
491 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
492 rp = kmalloc(rp_len, GFP_ATOMIC);
493 if (!rp) {
494 read_unlock(&hci_dev_list_lock);
495 return -ENOMEM;
496 }
497
498 count = 0;
499 list_for_each_entry(d, &hci_dev_list, list) {
500 if (hci_dev_test_flag(d, HCI_SETUP) ||
501 hci_dev_test_flag(d, HCI_CONFIG) ||
502 hci_dev_test_flag(d, HCI_USER_CHANNEL))
503 continue;
504
505 /* Devices marked as raw-only are neither configured
506 * nor unconfigured controllers.
507 */
508 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
509 continue;
510
ca8bee5d 511 if (d->dev_type == HCI_PRIMARY) {
96f1474a
MH		 512 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
513 rp->entry[count].type = 0x01;
514 else
515 rp->entry[count].type = 0x00;
516 } else if (d->dev_type == HCI_AMP) {
517 rp->entry[count].type = 0x02;
518 } else {
519 continue;
520 }
521
522 rp->entry[count].bus = d->bus;
523 rp->entry[count++].index = cpu_to_le16(d->id);
524 BT_DBG("Added hci%u", d->id);
525 }
526
527 rp->num_controllers = cpu_to_le16(count);
528 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
529
530 read_unlock(&hci_dev_list_lock);
531
532 /* If this command is called at least once, then all the
533 * default index and unconfigured index events are disabled
534 * and from now on only extended index events are used.
535 */
536 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
537 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
538 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
539
540 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
541 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
542
543 kfree(rp);
544
545 return err;
546}
547
dbece37a
MH		 548static bool is_configured(struct hci_dev *hdev)
549{
550 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 551 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
dbece37a
MH		 552 return false;
553
554 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
555 !bacmp(&hdev->public_addr, BDADDR_ANY))
556 return false;
557
558 return true;
559}
560
89bc22d2
MH		 561static __le32 get_missing_options(struct hci_dev *hdev)
562{
563 u32 options = 0;
564
dbece37a 565 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 566 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
eb1904f4
MH		 567 options |= MGMT_OPTION_EXTERNAL_CONFIG;
568
89bc22d2
MH		 569 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
570 !bacmp(&hdev->public_addr, BDADDR_ANY))
571 options |= MGMT_OPTION_PUBLIC_ADDRESS;
572
573 return cpu_to_le32(options);
574}
575
f4537c04
MH		 576static int new_options(struct hci_dev *hdev, struct sock *skip)
577{
578 __le32 options = get_missing_options(hdev);
579
5504c3a3
MH		 580 return mgmt_limited_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
581 sizeof(options), HCI_MGMT_OPTION_EVENTS, skip);
f4537c04
MH		 582}
583
dbece37a
MH		 584static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
585{
586 __le32 options = get_missing_options(hdev);
587
2a1afb5a
JH		 588 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
589 sizeof(options));
dbece37a
MH		 590}
591
9fc3bfb6
MH		 592static int read_config_info(struct sock *sk, struct hci_dev *hdev,
593 void *data, u16 data_len)
594{
595 struct mgmt_rp_read_config_info rp;
89bc22d2 596 u32 options = 0;
9fc3bfb6
MH		 597
598 BT_DBG("sock %p %s", sk, hdev->name);
599
600 hci_dev_lock(hdev);
601
602 memset(&rp, 0, sizeof(rp));
603 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 604
eb1904f4
MH		 605 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
606 options |= MGMT_OPTION_EXTERNAL_CONFIG;
607
9fc3bfb6 608 if (hdev->set_bdaddr)
89bc22d2
MH		 609 options |= MGMT_OPTION_PUBLIC_ADDRESS;
610
611 rp.supported_options = cpu_to_le32(options);
612 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 613
614 hci_dev_unlock(hdev);
615
2a1afb5a
JH		 616 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
617 &rp, sizeof(rp));
9fc3bfb6
MH		 618}
619
69ab39ea
JH		 620static u32 get_supported_settings(struct hci_dev *hdev)
621{
622 u32 settings = 0;
623
624 settings |= MGMT_SETTING_POWERED;
b2939475 625 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 626 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 627 settings |= MGMT_SETTING_CONNECTABLE;
628 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 629
ed3fa31f 630 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 631 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
632 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 633 settings |= MGMT_SETTING_BREDR;
634 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 635
636 if (lmp_ssp_capable(hdev)) {
637 settings |= MGMT_SETTING_SSP;
638 settings |= MGMT_SETTING_HS;
639 }
e98d2ce2 640
05b3c3e7 641 if (lmp_sc_capable(hdev))
e98d2ce2 642 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 643 }
d7b7e796 644
eeca6f89 645 if (lmp_le_capable(hdev)) {
9d42820f 646 settings |= MGMT_SETTING_LE;
eeca6f89 647 settings |= MGMT_SETTING_ADVERTISING;
a3209694 648 settings |= MGMT_SETTING_SECURE_CONN;
0f4bd942 649 settings |= MGMT_SETTING_PRIVACY;
93690c22 650 settings |= MGMT_SETTING_STATIC_ADDRESS;
eeca6f89 651 }
69ab39ea 652
eb1904f4
MH		 653 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
654 hdev->set_bdaddr)
9fc3bfb6
MH		 655 settings |= MGMT_SETTING_CONFIGURATION;
656
69ab39ea
JH		 657 return settings;
658}
659
660static u32 get_current_settings(struct hci_dev *hdev)
661{
662 u32 settings = 0;
663
f1f0eb02 664 if (hdev_is_powered(hdev))
f0d4b78a
MH		 665 settings |= MGMT_SETTING_POWERED;
666
d7a5a11d 667 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
69ab39ea
JH		 668 settings |= MGMT_SETTING_CONNECTABLE;
669
d7a5a11d 670 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
1a4d3c4b
JH		 671 settings |= MGMT_SETTING_FAST_CONNECTABLE;
672
d7a5a11d 673 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
69ab39ea
JH		 674 settings |= MGMT_SETTING_DISCOVERABLE;
675
d7a5a11d 676 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
b2939475 677 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 678
d7a5a11d 679 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
69ab39ea
JH		 680 settings |= MGMT_SETTING_BREDR;
681
d7a5a11d 682 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
69ab39ea
JH		 683 settings |= MGMT_SETTING_LE;
684
d7a5a11d 685 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
69ab39ea
JH		 686 settings |= MGMT_SETTING_LINK_SECURITY;
687
d7a5a11d 688 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
69ab39ea
JH		 689 settings |= MGMT_SETTING_SSP;
690
d7a5a11d 691 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
6d80dfd0
JH		 692 settings |= MGMT_SETTING_HS;
693
d7a5a11d 694 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
eeca6f89
JH		 695 settings |= MGMT_SETTING_ADVERTISING;
696
d7a5a11d 697 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
e98d2ce2
MH		 698 settings |= MGMT_SETTING_SECURE_CONN;
699
d7a5a11d 700 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
b1de97d8
MH		 701 settings |= MGMT_SETTING_DEBUG_KEYS;
702
d7a5a11d 703 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
0f4bd942
JH		 704 settings |= MGMT_SETTING_PRIVACY;
705
93690c22
MH		 706 /* The current setting for static address has two purposes. The
707 * first is to indicate if the static address will be used and
708 * the second is to indicate if it is actually set.
709 *
710 * This means if the static address is not configured, this flag
08dc0e98 711 * will never be set. If the address is configured, then if the
93690c22
MH		 712 * address is actually used decides if the flag is set or not.
713 *
714 * For single mode LE only controllers and dual-mode controllers
715 * with BR/EDR disabled, the existence of the static address will
716 * be evaluated.
717 */
b7cb93e5 718 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
d7a5a11d 719 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
93690c22
MH		 720 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
721 if (bacmp(&hdev->static_addr, BDADDR_ANY))
722 settings |= MGMT_SETTING_STATIC_ADDRESS;
723 }
724
69ab39ea
JH		 725 return settings;
726}
727
333ae95d
JH		 728static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
729{
730 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
731}
732
333ae95d
JH		 733static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
734 struct hci_dev *hdev,
735 const void *data)
736{
737 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
738}
739
f2252570 740u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev)
9a43e25f 741{
3b0602cd 742 struct mgmt_pending_cmd *cmd;
9a43e25f
JH		 743
744 /* If there's a pending mgmt command the flags will not yet have
745 * their final values, so check for this first.
746 */
333ae95d 747 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
9a43e25f
JH		 748 if (cmd) {
749 struct mgmt_mode *cp = cmd->param;
750 if (cp->val == 0x01)
751 return LE_AD_GENERAL;
752 else if (cp->val == 0x02)
753 return LE_AD_LIMITED;
754 } else {
d7a5a11d 755 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
9a43e25f 756 return LE_AD_LIMITED;
d7a5a11d 757 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
9a43e25f
JH		 758 return LE_AD_GENERAL;
759 }
760
761 return 0;
762}
763
f2252570 764bool mgmt_get_connectable(struct hci_dev *hdev)
fdf51784
AU		 765{
766 struct mgmt_pending_cmd *cmd;
441ad2d0 767
fdf51784
AU		 768 /* If there's a pending mgmt command the flag will not yet have
769 * it's final value, so check for this first.
770 */
771 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
772 if (cmd) {
773 struct mgmt_mode *cp = cmd->param;
441ad2d0 774
fdf51784 775 return cp->val;
441ad2d0
MH		 776 }
777
fdf51784
AU		 778 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
779}
441ad2d0 780
7d78525d
JH		 781static void service_cache_off(struct work_struct *work)
782{
783 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 784 service_cache.work);
890ea898 785 struct hci_request req;
7d78525d 786
a69d8927 787 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
7d78525d
JH		 788 return;
789
890ea898
JH		 790 hci_req_init(&req, hdev);
791
7d78525d
JH		 792 hci_dev_lock(hdev);
793
b1a8917c 794 __hci_req_update_eir(&req);
14bf5eac 795 __hci_req_update_class(&req);
7d78525d
JH		 796
797 hci_dev_unlock(hdev);
890ea898
JH		 798
799 hci_req_run(&req, NULL);
7d78525d
JH		 800}
801
d6bfd59c
JH		 802static void rpa_expired(struct work_struct *work)
803{
804 struct hci_dev *hdev = container_of(work, struct hci_dev,
805 rpa_expired.work);
806 struct hci_request req;
807
808 BT_DBG("");
809
a1536da2 810 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
d6bfd59c 811
d7a5a11d 812 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
d6bfd59c
JH		 813 return;
814
815 /* The generation of a new RPA and programming it into the
f2252570
JH		 816 * controller happens in the hci_req_enable_advertising()
817 * function.
d6bfd59c 818 */
d6bfd59c 819 hci_req_init(&req, hdev);
f2252570 820 __hci_req_enable_advertising(&req);
d6bfd59c
JH		 821 hci_req_run(&req, NULL);
822}
823
6a919082 824static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 825{
238be788 826 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
6a919082
JH		 827 return;
828
4f87da80 829 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 830 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 831
4f87da80
JH		 832 /* Non-mgmt controlled devices get this bit set
833 * implicitly so that pairing works for them, however
834 * for mgmt we require user-space to explicitly enable
835 * it
836 */
a358dc11 837 hci_dev_clear_flag(hdev, HCI_BONDABLE);
7d78525d
JH		 838}
839
0f4e68cf 840static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 841 void *data, u16 data_len)
0381101f 842{
a38528f1 843 struct mgmt_rp_read_info rp;
f7b64e69 844
bdb6d971 845 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 846
09fd0de5 847 hci_dev_lock(hdev);
f7b64e69 848
dc4fe30b
JH		 849 memset(&rp, 0, sizeof(rp));
850
69ab39ea 851 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 852
69ab39ea 853 rp.version = hdev->hci_ver;
eb55ef07 854 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 855
856 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
857 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 858
a38528f1 859 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 860
dc4fe30b 861 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 862 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 863
09fd0de5 864 hci_dev_unlock(hdev);
0381101f 865
2a1afb5a
JH		 866 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
867 sizeof(rp));
0381101f
JH		 868}
869
cde7a863
MN		 870static u16 append_eir_data_to_buf(struct hci_dev *hdev, u8 *eir)
871{
872 u16 eir_len = 0;
873 size_t name_len;
874
875 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
876 eir_len = eir_append_data(eir, eir_len, EIR_CLASS_OF_DEV,
877 hdev->dev_class, 3);
878
6a9e90bf
SJ		 879 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
880 eir_len = eir_append_le16(eir, eir_len, EIR_APPEARANCE,
881 hdev->appearance);
882
cde7a863
MN		 883 name_len = strlen(hdev->dev_name);
884 eir_len = eir_append_data(eir, eir_len, EIR_NAME_COMPLETE,
885 hdev->dev_name, name_len);
886
887 name_len = strlen(hdev->short_name);
888 eir_len = eir_append_data(eir, eir_len, EIR_NAME_SHORT,
889 hdev->short_name, name_len);
890
891 return eir_len;
892}
893
321c6fee
MH		 894static int read_ext_controller_info(struct sock *sk, struct hci_dev *hdev,
895 void *data, u16 data_len)
896{
7d5c11da
SJ		 897 char buf[512];
898 struct mgmt_rp_read_ext_info *rp = (void *)buf;
cde7a863 899 u16 eir_len;
321c6fee
MH		 900
901 BT_DBG("sock %p %s", sk, hdev->name);
902
7d5c11da
SJ		 903 memset(&buf, 0, sizeof(buf));
904
321c6fee
MH		 905 hci_dev_lock(hdev);
906
7d5c11da
SJ		 907 bacpy(&rp->bdaddr, &hdev->bdaddr);
908
909 rp->version = hdev->hci_ver;
910 rp->manufacturer = cpu_to_le16(hdev->manufacturer);
911
912 rp->supported_settings = cpu_to_le32(get_supported_settings(hdev));
913 rp->current_settings = cpu_to_le32(get_current_settings(hdev));
914
321c6fee 915
cde7a863 916 eir_len = append_eir_data_to_buf(hdev, rp->eir);
8a0c9f49 917 rp->eir_len = cpu_to_le16(eir_len);
321c6fee
MH		 918
919 hci_dev_unlock(hdev);
920
921 /* If this command is called at least once, then the events
922 * for class of device and local name changes are disabled
923 * and only the new extended controller information event
924 * is used.
925 */
926 hci_sock_set_flag(sk, HCI_MGMT_EXT_INFO_EVENTS);
927 hci_sock_clear_flag(sk, HCI_MGMT_DEV_CLASS_EVENTS);
928 hci_sock_clear_flag(sk, HCI_MGMT_LOCAL_NAME_EVENTS);
929
8a0c9f49
MN		 930 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_EXT_INFO, 0, rp,
931 sizeof(*rp) + eir_len);
321c6fee
MH		 932}
933
934static int ext_info_changed(struct hci_dev *hdev, struct sock *skip)
935{
5e9fae48
MN		 936 char buf[512];
937 struct mgmt_ev_ext_info_changed *ev = (void *)buf;
938 u16 eir_len;
939
940 memset(buf, 0, sizeof(buf));
321c6fee 941
5e9fae48
MN		 942 eir_len = append_eir_data_to_buf(hdev, ev->eir);
943 ev->eir_len = cpu_to_le16(eir_len);
321c6fee 944
5e9fae48
MN		 945 return mgmt_limited_event(MGMT_EV_EXT_INFO_CHANGED, hdev, ev,
946 sizeof(*ev) + eir_len,
947 HCI_MGMT_EXT_INFO_EVENTS, skip);
321c6fee
MH		 948}
949
69ab39ea 950static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 951{
69ab39ea 952 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 953
2a1afb5a
JH		 954 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
955 sizeof(settings));
8680570b
JH		 956}
957
1904a853 958static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
8b064a3a
JH		 959{
960 BT_DBG("%s status 0x%02x", hdev->name, status);
961
a3172b7e
JH		 962 if (hci_conn_count(hdev) == 0) {
963 cancel_delayed_work(&hdev->power_off);
8b064a3a 964 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 965 }
8b064a3a
JH		 966}
967
f2252570 968void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, u8 instance)
912098a6
AU		 969{
970 struct mgmt_ev_advertising_added ev;
971
972 ev.instance = instance;
973
974 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
975}
976
f2252570
JH		 977void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
978 u8 instance)
912098a6
AU		 979{
980 struct mgmt_ev_advertising_removed ev;
981
982 ev.instance = instance;
983
984 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
985}
986
7816b820
FG		 987static void cancel_adv_timeout(struct hci_dev *hdev)
988{
989 if (hdev->adv_instance_timeout) {
990 hdev->adv_instance_timeout = 0;
991 cancel_delayed_work(&hdev->adv_instance_expire);
992 }
993}
994
8b064a3a
JH		 995static int clean_up_hci_state(struct hci_dev *hdev)
996{
997 struct hci_request req;
998 struct hci_conn *conn;
23a48093
JH		 999 bool discov_stopped;
1000 int err;
8b064a3a
JH		 1001
1002 hci_req_init(&req, hdev);
1003
1004 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1005 test_bit(HCI_PSCAN, &hdev->flags)) {
1006 u8 scan = 0x00;
1007 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1008 }
1009
37d3a1fa 1010 hci_req_clear_adv_instance(hdev, NULL, NULL, 0x00, false);
912098a6 1011
d7a5a11d 1012 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
f2252570 1013 __hci_req_disable_advertising(&req);
8b064a3a 1014
2154d3f4 1015 discov_stopped = hci_req_stop_discovery(&req);
8b064a3a
JH		 1016
1017 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
89e0ccc8
JH		 1018 /* 0x15 == Terminated due to Power Off */
1019 __hci_abort_conn(&req, conn, 0x15);
8b064a3a
JH		 1020 }
1021
23a48093
JH		 1022 err = hci_req_run(&req, clean_up_hci_complete);
1023 if (!err && discov_stopped)
1024 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1025
1026 return err;
8b064a3a
JH		 1027}
1028
bdb6d971 1029static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1030 u16 len)
eec8d2bc 1031{
650f726d 1032 struct mgmt_mode *cp = data;
3b0602cd 1033 struct mgmt_pending_cmd *cmd;
4b34ee78 1034 int err;
eec8d2bc 1035
bdb6d971 1036 BT_DBG("request for %s", hdev->name);
eec8d2bc 1037
a7e80f25 1038 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1039 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1040 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1041
09fd0de5 1042 hci_dev_lock(hdev);
eec8d2bc 1043
333ae95d 1044 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
a69e8375
JH		 1045 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1046 MGMT_STATUS_BUSY);
87b95ba6
JH		 1047 goto failed;
1048 }
1049
4b34ee78 1050 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1051 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1052 goto failed;
1053 }
1054
2e58ef3e 1055 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1056 if (!cmd) {
1057 err = -ENOMEM;
eec8d2bc 1058 goto failed;
366a0336 1059 }
eec8d2bc 1060
8b064a3a 1061 if (cp->val) {
19202573 1062 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1063 err = 0;
1064 } else {
1065 /* Disconnect connections, stop scans, etc */
1066 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1067 if (!err)
1068 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1069 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1070
8b064a3a
JH		 1071 /* ENODATA means there were no HCI commands queued */
1072 if (err == -ENODATA) {
a3172b7e 1073 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1074 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1075 err = 0;
1076 }
1077 }
eec8d2bc
JH		 1078
1079failed:
09fd0de5 1080 hci_dev_unlock(hdev);
366a0336 1081 return err;
eec8d2bc
JH		 1082}
1083
beadb2bd
JH		 1084static int new_settings(struct hci_dev *hdev, struct sock *skip)
1085{
f6b7712e 1086 __le32 ev = cpu_to_le32(get_current_settings(hdev));
beadb2bd 1087
5504c3a3
MH		 1088 return mgmt_limited_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1089 sizeof(ev), HCI_MGMT_SETTING_EVENTS, skip);
beadb2bd
JH		 1090}
1091
91a668b0
JH		 1092int mgmt_new_settings(struct hci_dev *hdev)
1093{
1094 return new_settings(hdev, NULL);
1095}
1096
bd99abdd
JH		 1097struct cmd_lookup {
1098 struct sock *sk;
1099 struct hci_dev *hdev;
1100 u8 mgmt_status;
1101};
1102
3b0602cd 1103static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1104{
1105 struct cmd_lookup *match = data;
1106
1107 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1108
1109 list_del(&cmd->list);
1110
1111 if (match->sk == NULL) {
1112 match->sk = cmd->sk;
1113 sock_hold(match->sk);
1114 }
1115
1116 mgmt_pending_free(cmd);
1117}
1118
3b0602cd 1119static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1120{
1121 u8 *status = data;
1122
a69e8375 1123 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
bd99abdd
JH		 1124 mgmt_pending_remove(cmd);
1125}
1126
3b0602cd 1127static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
1b9b5ee5
JH		 1128{
1129 if (cmd->cmd_complete) {
1130 u8 *status = data;
1131
1132 cmd->cmd_complete(cmd, *status);
1133 mgmt_pending_remove(cmd);
1134
1135 return;
1136 }
1137
1138 cmd_status_rsp(cmd, data);
1139}
1140
3b0602cd 1141static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
f5818c22 1142{
2a1afb5a
JH		 1143 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1144 cmd->param, cmd->param_len);
f5818c22
JH		 1145}
1146
3b0602cd 1147static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
7776d1d8 1148{
2a1afb5a
JH		 1149 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1150 cmd->param, sizeof(struct mgmt_addr_info));
7776d1d8
JH		 1151}
1152
e6fe7986
JH		 1153static u8 mgmt_bredr_support(struct hci_dev *hdev)
1154{
1155 if (!lmp_bredr_capable(hdev))
1156 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1157 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
e6fe7986
JH		 1158 return MGMT_STATUS_REJECTED;
1159 else
1160 return MGMT_STATUS_SUCCESS;
1161}
1162
1163static u8 mgmt_le_support(struct hci_dev *hdev)
1164{
1165 if (!lmp_le_capable(hdev))
1166 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1167 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
e6fe7986
JH		 1168 return MGMT_STATUS_REJECTED;
1169 else
1170 return MGMT_STATUS_SUCCESS;
1171}
1172
aed1a885 1173void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status)
bfaf8c9f 1174{
3b0602cd 1175 struct mgmt_pending_cmd *cmd;
bfaf8c9f
JH		 1176
1177 BT_DBG("status 0x%02x", status);
1178
1179 hci_dev_lock(hdev);
1180
333ae95d 1181 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
bfaf8c9f
JH		 1182 if (!cmd)
1183 goto unlock;
1184
1185 if (status) {
1186 u8 mgmt_err = mgmt_status(status);
a69e8375 1187 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
a358dc11 1188 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
bfaf8c9f
JH		 1189 goto remove_cmd;
1190 }
1191
aed1a885
JH		 1192 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1193 hdev->discov_timeout > 0) {
1194 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1195 queue_delayed_work(hdev->req_workqueue, &hdev->discov_off, to);
d4462a07 1196 }
bfaf8c9f
JH		 1197
1198 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
aed1a885 1199 new_settings(hdev, cmd->sk);
970ba524 1200
bfaf8c9f
JH		 1201remove_cmd:
1202 mgmt_pending_remove(cmd);
1203
1204unlock:
1205 hci_dev_unlock(hdev);
1206}
1207
bdb6d971 1208static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1209 u16 len)
73f22f62 1210{
650f726d 1211 struct mgmt_cp_set_discoverable *cp = data;
3b0602cd 1212 struct mgmt_pending_cmd *cmd;
5e5282bb 1213 u16 timeout;
73f22f62
JH		 1214 int err;
1215
bdb6d971 1216 BT_DBG("request for %s", hdev->name);
73f22f62 1217
d7a5a11d
MH		 1218 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1219 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 1220 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1221 MGMT_STATUS_REJECTED);
33c525c0 1222
310a3d48 1223 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 1224 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1225 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1226
1f350c87 1227 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1228
1229 /* Disabling discoverable requires that no timeout is set,
1230 * and enabling limited discoverable requires a timeout.
1231 */
1232 if ((cp->val == 0x00 && timeout > 0) ||
1233 (cp->val == 0x02 && timeout == 0))
a69e8375
JH		 1234 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1235 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1236
09fd0de5 1237 hci_dev_lock(hdev);
73f22f62 1238
5e5282bb 1239 if (!hdev_is_powered(hdev) && timeout > 0) {
a69e8375
JH		 1240 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1241 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1242 goto failed;
1243 }
1244
333ae95d
JH		 1245 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1246 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 1247 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1248 MGMT_STATUS_BUSY);
73f22f62
JH		 1249 goto failed;
1250 }
1251
d7a5a11d 1252 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
a69e8375
JH		 1253 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1254 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1255 goto failed;
1256 }
1257
1258 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1259 bool changed = false;
1260
310a3d48
MH		 1261 /* Setting limited discoverable when powered off is
1262 * not a valid operation since it requires a timeout
1263 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1264 */
d7a5a11d 1265 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
ce05d603 1266 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
0224d2fa
JH		 1267 changed = true;
1268 }
1269
5e5282bb 1270 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1271 if (err < 0)
1272 goto failed;
1273
1274 if (changed)
1275 err = new_settings(hdev, sk);
1276
5e5282bb
JH		 1277 goto failed;
1278 }
1279
310a3d48
MH		 1280 /* If the current mode is the same, then just update the timeout
1281 * value with the new value. And if only the timeout gets updated,
1282 * then no need for any HCI transactions.
1283 */
d7a5a11d
MH		 1284 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1285 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1286 HCI_LIMITED_DISCOVERABLE)) {
36261547
MH		 1287 cancel_delayed_work(&hdev->discov_off);
1288 hdev->discov_timeout = timeout;
955638ec 1289
36261547
MH		 1290 if (cp->val && hdev->discov_timeout > 0) {
1291 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
c366f555
JH		 1292 queue_delayed_work(hdev->req_workqueue,
1293 &hdev->discov_off, to);
955638ec
MH		 1294 }
1295
69ab39ea 1296 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1297 goto failed;
1298 }
1299
2e58ef3e 1300 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1301 if (!cmd) {
1302 err = -ENOMEM;
73f22f62 1303 goto failed;
366a0336 1304 }
73f22f62 1305
310a3d48
MH		 1306 /* Cancel any potential discoverable timeout that might be
1307 * still active and store new timeout value. The arming of
1308 * the timeout happens in the complete handler.
1309 */
1310 cancel_delayed_work(&hdev->discov_off);
1311 hdev->discov_timeout = timeout;
1312
aed1a885
JH		 1313 if (cp->val)
1314 hci_dev_set_flag(hdev, HCI_DISCOVERABLE);
1315 else
1316 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
1317
b456f87c
JH		 1318 /* Limited discoverable mode */
1319 if (cp->val == 0x02)
a1536da2 1320 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1321 else
a358dc11 1322 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1323
aed1a885
JH		 1324 queue_work(hdev->req_workqueue, &hdev->discoverable_update);
1325 err = 0;
73f22f62
JH		 1326
1327failed:
09fd0de5 1328 hci_dev_unlock(hdev);
73f22f62
JH		 1329 return err;
1330}
1331
53c0ba74 1332void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status)
2b76f453 1333{
3b0602cd 1334 struct mgmt_pending_cmd *cmd;
2b76f453
JH		 1335
1336 BT_DBG("status 0x%02x", status);
1337
1338 hci_dev_lock(hdev);
1339
333ae95d 1340 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
2b76f453
JH		 1341 if (!cmd)
1342 goto unlock;
1343
37438c1f
JH		 1344 if (status) {
1345 u8 mgmt_err = mgmt_status(status);
a69e8375 1346 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
37438c1f
JH		 1347 goto remove_cmd;
1348 }
1349
2b76f453 1350 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
53c0ba74 1351 new_settings(hdev, cmd->sk);
d7b856f9 1352
37438c1f 1353remove_cmd:
2b76f453
JH		 1354 mgmt_pending_remove(cmd);
1355
1356unlock:
1357 hci_dev_unlock(hdev);
1358}
1359
e8ba3a1f
JH		 1360static int set_connectable_update_settings(struct hci_dev *hdev,
1361 struct sock *sk, u8 val)
1362{
1363 bool changed = false;
1364 int err;
1365
d7a5a11d 1366 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
e8ba3a1f
JH		 1367 changed = true;
1368
1369 if (val) {
a1536da2 1370 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
e8ba3a1f 1371 } else {
a358dc11
MH		 1372 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
1373 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
e8ba3a1f
JH		 1374 }
1375
1376 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1377 if (err < 0)
1378 return err;
1379
562064e6 1380 if (changed) {
01b1cb87 1381 hci_req_update_scan(hdev);
562064e6 1382 hci_update_background_scan(hdev);
e8ba3a1f 1383 return new_settings(hdev, sk);
562064e6 1384 }
e8ba3a1f
JH		 1385
1386 return 0;
1387}
1388
bdb6d971 1389static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1390 u16 len)
9fbcbb45 1391{
650f726d 1392 struct mgmt_mode *cp = data;
3b0602cd 1393 struct mgmt_pending_cmd *cmd;
9fbcbb45
JH		 1394 int err;
1395
bdb6d971 1396 BT_DBG("request for %s", hdev->name);
9fbcbb45 1397
d7a5a11d
MH		 1398 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1399 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 1400 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1401 MGMT_STATUS_REJECTED);
33c525c0 1402
a7e80f25 1403 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1404 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1405 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1406
09fd0de5 1407 hci_dev_lock(hdev);
9fbcbb45 1408
4b34ee78 1409 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1410 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1411 goto failed;
1412 }
1413
333ae95d
JH		 1414 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1415 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 1416 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1417 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1418 goto failed;
1419 }
1420
2e58ef3e 1421 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1422 if (!cmd) {
1423 err = -ENOMEM;
9fbcbb45 1424 goto failed;
366a0336 1425 }
9fbcbb45 1426
53c0ba74
JH		 1427 if (cp->val) {
1428 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
1429 } else {
1430 if (hdev->discov_timeout > 0)
1431 cancel_delayed_work(&hdev->discov_off);
2b76f453 1432
53c0ba74
JH		 1433 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1434 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
1435 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
9b74246f 1436 }
2b76f453 1437
53c0ba74
JH		 1438 queue_work(hdev->req_workqueue, &hdev->connectable_update);
1439 err = 0;
9fbcbb45
JH		 1440
1441failed:
09fd0de5 1442 hci_dev_unlock(hdev);
9fbcbb45
JH		 1443 return err;
1444}
1445
b2939475 1446static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1447 u16 len)
c542a06c 1448{
650f726d 1449 struct mgmt_mode *cp = data;
55594356 1450 bool changed;
c542a06c
JH		 1451 int err;
1452
bdb6d971 1453 BT_DBG("request for %s", hdev->name);
c542a06c 1454
a7e80f25 1455 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1456 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
1457 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1458
09fd0de5 1459 hci_dev_lock(hdev);
c542a06c
JH		 1460
1461 if (cp->val)
238be788 1462 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
c542a06c 1463 else
a69d8927 1464 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
c542a06c 1465
b2939475 1466 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 1467 if (err < 0)
55594356 1468 goto unlock;
c542a06c 1469
82a37ade
JH		 1470 if (changed) {
1471 /* In limited privacy mode the change of bondable mode
1472 * may affect the local advertising address.
1473 */
1474 if (hdev_is_powered(hdev) &&
1475 hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
1476 hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1477 hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY))
1478 queue_work(hdev->req_workqueue,
1479 &hdev->discoverable_update);
1480
55594356 1481 err = new_settings(hdev, sk);
82a37ade 1482 }
c542a06c 1483
55594356 1484unlock:
09fd0de5 1485 hci_dev_unlock(hdev);
c542a06c
JH		 1486 return err;
1487}
1488
04124681
GP		 1489static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1490 u16 len)
33ef95ed
JH		 1491{
1492 struct mgmt_mode *cp = data;
3b0602cd 1493 struct mgmt_pending_cmd *cmd;
e6fe7986 1494 u8 val, status;
33ef95ed
JH		 1495 int err;
1496
bdb6d971 1497 BT_DBG("request for %s", hdev->name);
33ef95ed 1498
e6fe7986
JH		 1499 status = mgmt_bredr_support(hdev);
1500 if (status)
a69e8375
JH		 1501 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1502 status);
33c525c0 1503
a7e80f25 1504 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1505 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1506 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1507
33ef95ed
JH		 1508 hci_dev_lock(hdev);
1509
4b34ee78 1510 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1511 bool changed = false;
1512
d7a5a11d 1513 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
ce05d603 1514 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
47990ea0
JH		 1515 changed = true;
1516 }
1517
1518 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1519 if (err < 0)
1520 goto failed;
1521
1522 if (changed)
1523 err = new_settings(hdev, sk);
1524
33ef95ed
JH		 1525 goto failed;
1526 }
1527
333ae95d 1528 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
a69e8375
JH		 1529 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1530 MGMT_STATUS_BUSY);
33ef95ed
JH		 1531 goto failed;
1532 }
1533
1534 val = !!cp->val;
1535
1536 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1537 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1538 goto failed;
1539 }
1540
1541 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1542 if (!cmd) {
1543 err = -ENOMEM;
1544 goto failed;
1545 }
1546
1547 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1548 if (err < 0) {
1549 mgmt_pending_remove(cmd);
1550 goto failed;
1551 }
1552
1553failed:
1554 hci_dev_unlock(hdev);
33ef95ed
JH		 1555 return err;
1556}
1557
bdb6d971 1558static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 1559{
1560 struct mgmt_mode *cp = data;
3b0602cd 1561 struct mgmt_pending_cmd *cmd;
72ef0c1a 1562 u8 status;
ed2c4ee3
JH		 1563 int err;
1564
bdb6d971 1565 BT_DBG("request for %s", hdev->name);
ed2c4ee3 1566
cdba5281
MH		 1567 status = mgmt_bredr_support(hdev);
1568 if (status)
a69e8375 1569 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
cdba5281 1570
13ecd8b6 1571 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 1572 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1573 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 1574
a7e80f25 1575 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1576 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1577 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1578
13ecd8b6 1579 hci_dev_lock(hdev);
6c8f12c1 1580
4b34ee78 1581 if (!hdev_is_powered(hdev)) {
9ecb3e24 1582 bool changed;
c0ecddc2 1583
9ecb3e24 1584 if (cp->val) {
238be788
MH		 1585 changed = !hci_dev_test_and_set_flag(hdev,
1586 HCI_SSP_ENABLED);
9ecb3e24 1587 } else {
a69d8927
MH		 1588 changed = hci_dev_test_and_clear_flag(hdev,
1589 HCI_SSP_ENABLED);
9ecb3e24 1590 if (!changed)
a69d8927
MH		 1591 changed = hci_dev_test_and_clear_flag(hdev,
1592 HCI_HS_ENABLED);
9ecb3e24 1593 else
a358dc11 1594 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
c0ecddc2
JH		 1595 }
1596
1597 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1598 if (err < 0)
1599 goto failed;
1600
1601 if (changed)
1602 err = new_settings(hdev, sk);
1603
ed2c4ee3
JH		 1604 goto failed;
1605 }
1606
333ae95d 1607 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 1608 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1609 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 1610 goto failed;
1611 }
1612
d7a5a11d 1613 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
ed2c4ee3
JH		 1614 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1615 goto failed;
1616 }
1617
1618 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
1619 if (!cmd) {
1620 err = -ENOMEM;
1621 goto failed;
1622 }
1623
d7a5a11d 1624 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 1625 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
1626 sizeof(cp->val), &cp->val);
1627
72ef0c1a 1628 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 1629 if (err < 0) {
1630 mgmt_pending_remove(cmd);
1631 goto failed;
1632 }
1633
1634failed:
1635 hci_dev_unlock(hdev);
ed2c4ee3
JH		 1636 return err;
1637}
1638
bdb6d971 1639static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 1640{
1641 struct mgmt_mode *cp = data;
ee392693 1642 bool changed;
e6fe7986 1643 u8 status;
ee392693 1644 int err;
6d80dfd0 1645
bdb6d971 1646 BT_DBG("request for %s", hdev->name);
6d80dfd0 1647
e6fe7986
JH		 1648 status = mgmt_bredr_support(hdev);
1649 if (status)
a69e8375 1650 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 1651
9ecb3e24 1652 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 1653 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1654 MGMT_STATUS_NOT_SUPPORTED);
9ecb3e24 1655
d7a5a11d 1656 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 1657 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1658 MGMT_STATUS_REJECTED);
9ecb3e24 1659
a7e80f25 1660 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1661 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1662 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1663
ee392693
MH		 1664 hci_dev_lock(hdev);
1665
333ae95d 1666 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 1667 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1668 MGMT_STATUS_BUSY);
a2cb01de
JH		 1669 goto unlock;
1670 }
1671
a0cdf960 1672 if (cp->val) {
238be788 1673 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
a0cdf960
MH		 1674 } else {
1675 if (hdev_is_powered(hdev)) {
a69e8375
JH		 1676 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1677 MGMT_STATUS_REJECTED);
a0cdf960
MH		 1678 goto unlock;
1679 }
1680
a69d8927 1681 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
a0cdf960 1682 }
ee392693
MH		 1683
1684 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
1685 if (err < 0)
1686 goto unlock;
1687
1688 if (changed)
1689 err = new_settings(hdev, sk);
6d80dfd0 1690
ee392693
MH		 1691unlock:
1692 hci_dev_unlock(hdev);
1693 return err;
6d80dfd0
JH		 1694}
1695
1904a853 1696static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
416a4ae5
JH		 1697{
1698 struct cmd_lookup match = { NULL, hdev };
1699
3ad67582
JK		 1700 hci_dev_lock(hdev);
1701
416a4ae5
JH		 1702 if (status) {
1703 u8 mgmt_err = mgmt_status(status);
1704
1705 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
1706 &mgmt_err);
3ad67582 1707 goto unlock;
416a4ae5
JH		 1708 }
1709
1710 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
1711
1712 new_settings(hdev, match.sk);
1713
1714 if (match.sk)
1715 sock_put(match.sk);
441ad2d0
MH		 1716
1717 /* Make sure the controller has a good default for
1718 * advertising data. Restrict the update to when LE
1719 * has actually been enabled. During power on, the
1720 * update in powered_update_hci will take care of it.
1721 */
d7a5a11d 1722 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
441ad2d0
MH		 1723 struct hci_request req;
1724
441ad2d0 1725 hci_req_init(&req, hdev);
cab054ab
JH		 1726 __hci_req_update_adv_data(&req, 0x00);
1727 __hci_req_update_scan_rsp_data(&req, 0x00);
441ad2d0 1728 hci_req_run(&req, NULL);
2e93e53b 1729 hci_update_background_scan(hdev);
441ad2d0 1730 }
3ad67582
JK		 1731
1732unlock:
1733 hci_dev_unlock(hdev);
416a4ae5
JH		 1734}
1735
bdb6d971 1736static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 1737{
1738 struct mgmt_mode *cp = data;
1739 struct hci_cp_write_le_host_supported hci_cp;
3b0602cd 1740 struct mgmt_pending_cmd *cmd;
416a4ae5 1741 struct hci_request req;
06199cf8 1742 int err;
0b60eba1 1743 u8 val, enabled;
06199cf8 1744
bdb6d971 1745 BT_DBG("request for %s", hdev->name);
06199cf8 1746
13ecd8b6 1747 if (!lmp_le_capable(hdev))
a69e8375
JH		 1748 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1749 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 1750
a7e80f25 1751 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1752 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1753 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1754
e7844ee5
MH		 1755 /* Bluetooth single mode LE only controllers or dual-mode
1756 * controllers configured as LE only devices, do not allow
1757 * switching LE off. These have either LE enabled explicitly
1758 * or BR/EDR has been previously switched off.
1759 *
1760 * When trying to enable an already enabled LE, then gracefully
1761 * send a positive response. Trying to disable it however will
1762 * result into rejection.
1763 */
1764 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
1765 if (cp->val == 0x01)
1766 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1767
a69e8375
JH		 1768 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1769 MGMT_STATUS_REJECTED);
e7844ee5 1770 }
c73eee91 1771
13ecd8b6 1772 hci_dev_lock(hdev);
06199cf8
JH		 1773
1774 val = !!cp->val;
ffa88e02 1775 enabled = lmp_host_le_capable(hdev);
06199cf8 1776
847818d9 1777 if (!val)
37d3a1fa 1778 hci_req_clear_adv_instance(hdev, NULL, NULL, 0x00, true);
847818d9 1779
0b60eba1 1780 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 1781 bool changed = false;
1782
d7a5a11d 1783 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
ce05d603 1784 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
06199cf8
JH		 1785 changed = true;
1786 }
1787
d7a5a11d 1788 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
a358dc11 1789 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
eeca6f89
JH		 1790 changed = true;
1791 }
1792
06199cf8
JH		 1793 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1794 if (err < 0)
1de028ce 1795 goto unlock;
06199cf8
JH		 1796
1797 if (changed)
1798 err = new_settings(hdev, sk);
1799
1de028ce 1800 goto unlock;
06199cf8
JH		 1801 }
1802
333ae95d
JH		 1803 if (pending_find(MGMT_OP_SET_LE, hdev) ||
1804 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
a69e8375
JH		 1805 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1806 MGMT_STATUS_BUSY);
1de028ce 1807 goto unlock;
06199cf8
JH		 1808 }
1809
1810 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
1811 if (!cmd) {
1812 err = -ENOMEM;
1de028ce 1813 goto unlock;
06199cf8
JH		 1814 }
1815
441ad2d0
MH		 1816 hci_req_init(&req, hdev);
1817
06199cf8
JH		 1818 memset(&hci_cp, 0, sizeof(hci_cp));
1819
1820 if (val) {
1821 hci_cp.le = val;
32226e4f 1822 hci_cp.simul = 0x00;
441ad2d0 1823 } else {
d7a5a11d 1824 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
f2252570 1825 __hci_req_disable_advertising(&req);
06199cf8
JH		 1826 }
1827
416a4ae5
JH		 1828 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
1829 &hci_cp);
1830
1831 err = hci_req_run(&req, le_enable_complete);
0c01bc48 1832 if (err < 0)
06199cf8 1833 mgmt_pending_remove(cmd);
06199cf8 1834
1de028ce
JH		 1835unlock:
1836 hci_dev_unlock(hdev);
06199cf8
JH		 1837 return err;
1838}
1839
0cab9c80
JH		 1840/* This is a helper function to test for pending mgmt commands that can
1841 * cause CoD or EIR HCI commands. We can only allow one such pending
1842 * mgmt command at a time since otherwise we cannot easily track what
1843 * the current values are, will be, and based on that calculate if a new
1844 * HCI command needs to be sent and if yes with what value.
1845 */
1846static bool pending_eir_or_class(struct hci_dev *hdev)
1847{
3b0602cd 1848 struct mgmt_pending_cmd *cmd;
0cab9c80
JH		 1849
1850 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
1851 switch (cmd->opcode) {
1852 case MGMT_OP_ADD_UUID:
1853 case MGMT_OP_REMOVE_UUID:
1854 case MGMT_OP_SET_DEV_CLASS:
1855 case MGMT_OP_SET_POWERED:
1856 return true;
1857 }
1858 }
1859
1860 return false;
1861}
1862
83be8eca
JH		 1863static const u8 bluetooth_base_uuid[] = {
1864 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
1865 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1866};
1867
1868static u8 get_uuid_size(const u8 *uuid)
1869{
1870 u32 val;
1871
1872 if (memcmp(uuid, bluetooth_base_uuid, 12))
1873 return 128;
1874
1875 val = get_unaligned_le32(&uuid[12]);
1876 if (val > 0xffff)
1877 return 32;
1878
1879 return 16;
1880}
1881
92da6097
JH		 1882static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
1883{
3b0602cd 1884 struct mgmt_pending_cmd *cmd;
92da6097
JH		 1885
1886 hci_dev_lock(hdev);
1887
333ae95d 1888 cmd = pending_find(mgmt_op, hdev);
92da6097
JH		 1889 if (!cmd)
1890 goto unlock;
1891
2a1afb5a
JH		 1892 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
1893 mgmt_status(status), hdev->dev_class, 3);
92da6097
JH		 1894
1895 mgmt_pending_remove(cmd);
1896
1897unlock:
1898 hci_dev_unlock(hdev);
1899}
1900
1904a853 1901static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 1902{
1903 BT_DBG("status 0x%02x", status);
1904
1905 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
1906}
1907
bdb6d971 1908static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 1909{
650f726d 1910 struct mgmt_cp_add_uuid *cp = data;
3b0602cd 1911 struct mgmt_pending_cmd *cmd;
890ea898 1912 struct hci_request req;
2aeb9a1a 1913 struct bt_uuid *uuid;
2aeb9a1a
JH		 1914 int err;
1915
bdb6d971 1916 BT_DBG("request for %s", hdev->name);
2aeb9a1a 1917
09fd0de5 1918 hci_dev_lock(hdev);
2aeb9a1a 1919
0cab9c80 1920 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 1921 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
1922 MGMT_STATUS_BUSY);
c95f0ba7
JH		 1923 goto failed;
1924 }
1925
92c4c204 1926 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 1927 if (!uuid) {
1928 err = -ENOMEM;
1929 goto failed;
1930 }
1931
1932 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 1933 uuid->svc_hint = cp->svc_hint;
83be8eca 1934 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 1935
de66aa63 1936 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 1937
890ea898 1938 hci_req_init(&req, hdev);
1aff6f09 1939
14bf5eac 1940 __hci_req_update_class(&req);
b1a8917c 1941 __hci_req_update_eir(&req);
890ea898 1942
92da6097
JH		 1943 err = hci_req_run(&req, add_uuid_complete);
1944 if (err < 0) {
1945 if (err != -ENODATA)
1946 goto failed;
80a1e1db 1947
2a1afb5a
JH		 1948 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
1949 hdev->dev_class, 3);
90e70454
JH		 1950 goto failed;
1951 }
1952
1953 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 1954 if (!cmd) {
90e70454 1955 err = -ENOMEM;
890ea898
JH		 1956 goto failed;
1957 }
1958
1959 err = 0;
2aeb9a1a
JH		 1960
1961failed:
09fd0de5 1962 hci_dev_unlock(hdev);
2aeb9a1a
JH		 1963 return err;
1964}
1965
24b78d0f
JH		 1966static bool enable_service_cache(struct hci_dev *hdev)
1967{
1968 if (!hdev_is_powered(hdev))
1969 return false;
1970
238be788 1971 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
46818ed5
JH		 1972 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
1973 CACHE_TIMEOUT);
24b78d0f
JH		 1974 return true;
1975 }
1976
1977 return false;
1978}
1979
1904a853 1980static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 1981{
1982 BT_DBG("status 0x%02x", status);
1983
1984 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
1985}
1986
bdb6d971 1987static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 1988 u16 len)
2aeb9a1a 1989{
650f726d 1990 struct mgmt_cp_remove_uuid *cp = data;
3b0602cd 1991 struct mgmt_pending_cmd *cmd;
056341c8 1992 struct bt_uuid *match, *tmp;
2aeb9a1a 1993 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 1994 struct hci_request req;
2aeb9a1a
JH		 1995 int err, found;
1996
bdb6d971 1997 BT_DBG("request for %s", hdev->name);
2aeb9a1a 1998
09fd0de5 1999 hci_dev_lock(hdev);
2aeb9a1a 2000
0cab9c80 2001 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2002 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2003 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2004 goto unlock;
2005 }
2006
2aeb9a1a 2007 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2008 hci_uuids_clear(hdev);
4004b6d9 2009
24b78d0f 2010 if (enable_service_cache(hdev)) {
2a1afb5a
JH		 2011 err = mgmt_cmd_complete(sk, hdev->id,
2012 MGMT_OP_REMOVE_UUID,
2013 0, hdev->dev_class, 3);
24b78d0f
JH		 2014 goto unlock;
2015 }
4004b6d9 2016
9246a869 2017 goto update_class;
2aeb9a1a
JH		 2018 }
2019
2020 found = 0;
2021
056341c8 2022 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2023 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2024 continue;
2025
2026 list_del(&match->list);
482049f7 2027 kfree(match);
2aeb9a1a
JH		 2028 found++;
2029 }
2030
2031 if (found == 0) {
a69e8375
JH		 2032 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2033 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2034 goto unlock;
2035 }
2036
9246a869 2037update_class:
890ea898 2038 hci_req_init(&req, hdev);
1aff6f09 2039
14bf5eac 2040 __hci_req_update_class(&req);
b1a8917c 2041 __hci_req_update_eir(&req);
890ea898 2042
92da6097
JH		 2043 err = hci_req_run(&req, remove_uuid_complete);
2044 if (err < 0) {
2045 if (err != -ENODATA)
2046 goto unlock;
80a1e1db 2047
2a1afb5a
JH		 2048 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
2049 hdev->dev_class, 3);
90e70454
JH		 2050 goto unlock;
2051 }
2052
2053 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2054 if (!cmd) {
90e70454 2055 err = -ENOMEM;
890ea898
JH		 2056 goto unlock;
2057 }
2058
2059 err = 0;
2aeb9a1a
JH		 2060
2061unlock:
09fd0de5 2062 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2063 return err;
2064}
2065
1904a853 2066static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2067{
2068 BT_DBG("status 0x%02x", status);
2069
2070 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2071}
2072
bdb6d971 2073static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2074 u16 len)
1aff6f09 2075{
650f726d 2076 struct mgmt_cp_set_dev_class *cp = data;
3b0602cd 2077 struct mgmt_pending_cmd *cmd;
890ea898 2078 struct hci_request req;
1aff6f09
JH		 2079 int err;
2080
bdb6d971 2081 BT_DBG("request for %s", hdev->name);
1aff6f09 2082
6203fc98 2083 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2084 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2085 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2086
0cab9c80 2087 hci_dev_lock(hdev);
ee98f473 2088
0cab9c80 2089 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2090 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2091 MGMT_STATUS_BUSY);
0cab9c80
JH		 2092 goto unlock;
2093 }
c95f0ba7 2094
0cab9c80 2095 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
a69e8375
JH		 2096 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2097 MGMT_STATUS_INVALID_PARAMS);
0cab9c80
JH		 2098 goto unlock;
2099 }
575b3a02 2100
932f5ff5
JH		 2101 hdev->major_class = cp->major;
2102 hdev->minor_class = cp->minor;
2103
b5235a65 2104 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2105 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2106 hdev->dev_class, 3);
b5235a65
JH		 2107 goto unlock;
2108 }
2109
890ea898
JH		 2110 hci_req_init(&req, hdev);
2111
a69d8927 2112 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
7d78525d
JH		 2113 hci_dev_unlock(hdev);
2114 cancel_delayed_work_sync(&hdev->service_cache);
2115 hci_dev_lock(hdev);
b1a8917c 2116 __hci_req_update_eir(&req);
7d78525d 2117 }
14c0b608 2118
14bf5eac 2119 __hci_req_update_class(&req);
890ea898 2120
92da6097
JH		 2121 err = hci_req_run(&req, set_class_complete);
2122 if (err < 0) {
2123 if (err != -ENODATA)
2124 goto unlock;
1aff6f09 2125
2a1afb5a
JH		 2126 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2127 hdev->dev_class, 3);
90e70454
JH		 2128 goto unlock;
2129 }
2130
2131 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2132 if (!cmd) {
90e70454 2133 err = -ENOMEM;
890ea898
JH		 2134 goto unlock;
2135 }
2136
2137 err = 0;
1aff6f09 2138
b5235a65 2139unlock:
09fd0de5 2140 hci_dev_unlock(hdev);
1aff6f09
JH		 2141 return err;
2142}
2143
bdb6d971 2144static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2145 u16 len)
55ed8ca1 2146{
650f726d 2147 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2148 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2149 sizeof(struct mgmt_link_key_info));
4e51eae9 2150 u16 key_count, expected_len;
b1de97d8 2151 bool changed;
a492cd52 2152 int i;
55ed8ca1 2153
9060d5cf
MH		 2154 BT_DBG("request for %s", hdev->name);
2155
2156 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2157 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2158 MGMT_STATUS_NOT_SUPPORTED);
9060d5cf 2159
1f350c87 2160 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2161 if (key_count > max_key_count) {
2162 BT_ERR("load_link_keys: too big key_count value %u",
2163 key_count);
a69e8375
JH		 2164 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2165 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 2166 }
55ed8ca1 2167
86742e1e
JH		 2168 expected_len = sizeof(*cp) + key_count *
2169 sizeof(struct mgmt_link_key_info);
a492cd52 2170 if (expected_len != len) {
86742e1e 2171 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2172 expected_len, len);
a69e8375
JH		 2173 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2174 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2175 }
2176
4ae14301 2177 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
a69e8375
JH		 2178 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2179 MGMT_STATUS_INVALID_PARAMS);
4ae14301 2180
bdb6d971 2181 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2182 key_count);
55ed8ca1 2183
4ee71b20
JH		 2184 for (i = 0; i < key_count; i++) {
2185 struct mgmt_link_key_info *key = &cp->keys[i];
2186
8e991132 2187 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
a69e8375
JH		 2188 return mgmt_cmd_status(sk, hdev->id,
2189 MGMT_OP_LOAD_LINK_KEYS,
2190 MGMT_STATUS_INVALID_PARAMS);
4ee71b20
JH		 2191 }
2192
09fd0de5 2193 hci_dev_lock(hdev);
55ed8ca1
JH		 2194
2195 hci_link_keys_clear(hdev);
2196
55ed8ca1 2197 if (cp->debug_keys)
238be788 2198 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
55ed8ca1 2199 else
a69d8927
MH		 2200 changed = hci_dev_test_and_clear_flag(hdev,
2201 HCI_KEEP_DEBUG_KEYS);
b1de97d8
MH		 2202
2203 if (changed)
2204 new_settings(hdev, NULL);
55ed8ca1 2205
a492cd52 2206 for (i = 0; i < key_count; i++) {
86742e1e 2207 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2208
58e9293c
JH		 2209 /* Always ignore debug keys and require a new pairing if
2210 * the user wants to use them.
2211 */
2212 if (key->type == HCI_LK_DEBUG_COMBINATION)
2213 continue;
2214
7652ff6a
JH		 2215 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2216 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2217 }
2218
2a1afb5a 2219 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2220
09fd0de5 2221 hci_dev_unlock(hdev);
55ed8ca1 2222
a492cd52 2223 return 0;
55ed8ca1
JH		 2224}
2225
b1078ad0 2226static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2227 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2228{
2229 struct mgmt_ev_device_unpaired ev;
2230
2231 bacpy(&ev.addr.bdaddr, bdaddr);
2232 ev.addr.type = addr_type;
2233
2234 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2235 skip_sk);
b1078ad0
JH		 2236}
2237
bdb6d971 2238static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2239 u16 len)
55ed8ca1 2240{
124f6e35
JH		 2241 struct mgmt_cp_unpair_device *cp = data;
2242 struct mgmt_rp_unpair_device rp;
fc64361a 2243 struct hci_conn_params *params;
3b0602cd 2244 struct mgmt_pending_cmd *cmd;
55ed8ca1 2245 struct hci_conn *conn;
ec182f03 2246 u8 addr_type;
55ed8ca1
JH		 2247 int err;
2248
a8a1d19e 2249 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2250 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2251 rp.addr.type = cp->addr.type;
a8a1d19e 2252
4ee71b20 2253 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2254 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2255 MGMT_STATUS_INVALID_PARAMS,
2256 &rp, sizeof(rp));
4ee71b20 2257
118da70b 2258 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2a1afb5a
JH		 2259 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2260 MGMT_STATUS_INVALID_PARAMS,
2261 &rp, sizeof(rp));
118da70b 2262
4ee71b20
JH		 2263 hci_dev_lock(hdev);
2264
86a8cfc6 2265 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2266 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2267 MGMT_STATUS_NOT_POWERED, &rp,
2268 sizeof(rp));
86a8cfc6
JH		 2269 goto unlock;
2270 }
2271
e0b2b27e 2272 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 2273 /* If disconnection is requested, then look up the
2274 * connection. If the remote device is connected, it
2275 * will be later used to terminate the link.
2276 *
2277 * Setting it to NULL explicitly will cause no
2278 * termination of the link.
2279 */
2280 if (cp->disconnect)
2281 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2282 &cp->addr.bdaddr);
2283 else
2284 conn = NULL;
2285
124f6e35 2286 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
ec182f03
JH		 2287 if (err < 0) {
2288 err = mgmt_cmd_complete(sk, hdev->id,
2289 MGMT_OP_UNPAIR_DEVICE,
2290 MGMT_STATUS_NOT_PAIRED, &rp,
2291 sizeof(rp));
2292 goto unlock;
89cbb063
AA		 2293 }
2294
ec182f03 2295 goto done;
e0b2b27e 2296 }
b0dbfb46 2297
ec182f03
JH		 2298 /* LE address type */
2299 addr_type = le_addr_type(cp->addr.type);
2300
2301 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2302
2303 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
55ed8ca1 2304 if (err < 0) {
2a1afb5a
JH		 2305 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2306 MGMT_STATUS_NOT_PAIRED, &rp,
2307 sizeof(rp));
55ed8ca1
JH		 2308 goto unlock;
2309 }
2310
ec182f03
JH		 2311 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type);
2312 if (!conn) {
2313 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2314 goto done;
2315 }
2316
c81d555a
JH		 2317 /* Abort any ongoing SMP pairing */
2318 smp_cancel_pairing(conn);
2319
ec182f03
JH		 2320 /* Defer clearing up the connection parameters until closing to
2321 * give a chance of keeping them if a repairing happens.
2322 */
2323 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
2324
fc64361a
JH		 2325 /* Disable auto-connection parameters if present */
2326 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type);
2327 if (params) {
2328 if (params->explicit_connect)
2329 params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
2330 else
2331 params->auto_connect = HCI_AUTO_CONN_DISABLED;
2332 }
2333
ec182f03
JH		 2334 /* If disconnection is not requested, then clear the connection
2335 * variable so that the link is not terminated.
2336 */
2337 if (!cp->disconnect)
2338 conn = NULL;
2339
2340done:
89cbb063
AA		 2341 /* If the connection variable is set, then termination of the
2342 * link is requested.
2343 */
a8a1d19e 2344 if (!conn) {
2a1afb5a
JH		 2345 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
2346 &rp, sizeof(rp));
b1078ad0 2347 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2348 goto unlock;
2349 }
55ed8ca1 2350
124f6e35 2351 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2352 sizeof(*cp));
a8a1d19e
JH		 2353 if (!cmd) {
2354 err = -ENOMEM;
2355 goto unlock;
55ed8ca1
JH		 2356 }
2357
d8b7b1e4
JH		 2358 cmd->cmd_complete = addr_cmd_complete;
2359
89e0ccc8 2360 err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
a8a1d19e
JH		 2361 if (err < 0)
2362 mgmt_pending_remove(cmd);
2363
55ed8ca1 2364unlock:
09fd0de5 2365 hci_dev_unlock(hdev);
55ed8ca1
JH		 2366 return err;
2367}
2368
bdb6d971 2369static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2370 u16 len)
8962ee74 2371{
650f726d 2372 struct mgmt_cp_disconnect *cp = data;
06a63b19 2373 struct mgmt_rp_disconnect rp;
3b0602cd 2374 struct mgmt_pending_cmd *cmd;
8962ee74 2375 struct hci_conn *conn;
8962ee74
JH		 2376 int err;
2377
2378 BT_DBG("");
2379
06a63b19
JH		 2380 memset(&rp, 0, sizeof(rp));
2381 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2382 rp.addr.type = cp->addr.type;
2383
4ee71b20 2384 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2385 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2386 MGMT_STATUS_INVALID_PARAMS,
2387 &rp, sizeof(rp));
4ee71b20 2388
09fd0de5 2389 hci_dev_lock(hdev);
8962ee74
JH		 2390
2391 if (!test_bit(HCI_UP, &hdev->flags)) {
2a1afb5a
JH		 2392 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2393 MGMT_STATUS_NOT_POWERED, &rp,
2394 sizeof(rp));
8962ee74
JH		 2395 goto failed;
2396 }
2397
333ae95d 2398 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
2a1afb5a
JH		 2399 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2400 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2401 goto failed;
2402 }
2403
591f47f3 2404 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2405 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2406 &cp->addr.bdaddr);
88c3df13 2407 else
9d4c1cc1
JH		 2408 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
2409 le_addr_type(cp->addr.type));
365227e5 2410
f960727e 2411 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
2a1afb5a
JH		 2412 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2413 MGMT_STATUS_NOT_CONNECTED, &rp,
2414 sizeof(rp));
8962ee74
JH		 2415 goto failed;
2416 }
2417
2e58ef3e 2418 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2419 if (!cmd) {
2420 err = -ENOMEM;
8962ee74 2421 goto failed;
366a0336 2422 }
8962ee74 2423
f5818c22
JH		 2424 cmd->cmd_complete = generic_cmd_complete;
2425
e3f2f92a 2426 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 2427 if (err < 0)
a664b5bc 2428 mgmt_pending_remove(cmd);
8962ee74
JH		 2429
2430failed:
09fd0de5 2431 hci_dev_unlock(hdev);
8962ee74
JH		 2432 return err;
2433}
2434
57c1477c 2435static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2436{
2437 switch (link_type) {
2438 case LE_LINK:
48264f06
JH		 2439 switch (addr_type) {
2440 case ADDR_LE_DEV_PUBLIC:
591f47f3 2441 return BDADDR_LE_PUBLIC;
0ed09148 2442
48264f06 2443 default:
0ed09148 2444 /* Fallback to LE Random address type */
591f47f3 2445 return BDADDR_LE_RANDOM;
48264f06 2446 }
0ed09148 2447
4c659c39 2448 default:
0ed09148 2449 /* Fallback to BR/EDR type */
591f47f3 2450 return BDADDR_BREDR;
4c659c39
JH		 2451 }
2452}
2453
04124681
GP		 2454static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2455 u16 data_len)
2784eb41 2456{
2784eb41 2457 struct mgmt_rp_get_connections *rp;
8035ded4 2458 struct hci_conn *c;
a38528f1 2459 size_t rp_len;
60fc5fb6
JH		 2460 int err;
2461 u16 i;
2784eb41
JH		 2462
2463 BT_DBG("");
2464
09fd0de5 2465 hci_dev_lock(hdev);
2784eb41 2466
5f97c1df 2467 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2468 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
2469 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2470 goto unlock;
2471 }
2472
60fc5fb6 2473 i = 0;
b644ba33
JH		 2474 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2475 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2476 i++;
2784eb41
JH		 2477 }
2478
60fc5fb6 2479 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2480 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2481 if (!rp) {
2784eb41
JH		 2482 err = -ENOMEM;
2483 goto unlock;
2484 }
2485
2784eb41 2486 i = 0;
4c659c39 2487 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2488 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2489 continue;
4c659c39 2490 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2491 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2492 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2493 continue;
2494 i++;
2495 }
2496
eb55ef07 2497 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2498
4c659c39
JH		 2499 /* Recalculate length in case of filtered SCO connections, etc */
2500 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2501
2a1afb5a
JH		 2502 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
2503 rp_len);
2784eb41 2504
a38528f1 2505 kfree(rp);
5f97c1df
JH		 2506
2507unlock:
09fd0de5 2508 hci_dev_unlock(hdev);
2784eb41
JH		 2509 return err;
2510}
2511
bdb6d971 2512static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2513 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67 2514{
3b0602cd 2515 struct mgmt_pending_cmd *cmd;
96d97a67
WR		 2516 int err;
2517
2e58ef3e 2518 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2519 sizeof(*cp));
96d97a67
WR		 2520 if (!cmd)
2521 return -ENOMEM;
2522
dd7e39bb
AL		 2523 cmd->cmd_complete = addr_cmd_complete;
2524
d8457698 2525 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2526 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2527 if (err < 0)
2528 mgmt_pending_remove(cmd);
2529
2530 return err;
2531}
2532
bdb6d971 2533static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2534 u16 len)
980e1a53 2535{
96d97a67 2536 struct hci_conn *conn;
650f726d 2537 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2538 struct hci_cp_pin_code_reply reply;
3b0602cd 2539 struct mgmt_pending_cmd *cmd;
980e1a53
JH		 2540 int err;
2541
2542 BT_DBG("");
2543
09fd0de5 2544 hci_dev_lock(hdev);
980e1a53 2545
4b34ee78 2546 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2547 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2548 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2549 goto failed;
2550 }
2551
d8457698 2552 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2553 if (!conn) {
a69e8375
JH		 2554 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2555 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2556 goto failed;
2557 }
2558
2559 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2560 struct mgmt_cp_pin_code_neg_reply ncp;
2561
2562 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2563
2564 BT_ERR("PIN code is not 16 bytes long");
2565
bdb6d971 2566 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2567 if (err >= 0)
a69e8375
JH		 2568 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
2569 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 2570
2571 goto failed;
2572 }
2573
00abfe44 2574 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 2575 if (!cmd) {
2576 err = -ENOMEM;
980e1a53 2577 goto failed;
366a0336 2578 }
980e1a53 2579
7776d1d8
JH		 2580 cmd->cmd_complete = addr_cmd_complete;
2581
d8457698 2582 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2583 reply.pin_len = cp->pin_len;
24718ca5 2584 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 2585
2586 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2587 if (err < 0)
a664b5bc 2588 mgmt_pending_remove(cmd);
980e1a53
JH		 2589
2590failed:
09fd0de5 2591 hci_dev_unlock(hdev);
980e1a53
JH		 2592 return err;
2593}
2594
04124681
GP		 2595static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
2596 u16 len)
17fa4b9d 2597{
650f726d 2598 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 2599
2600 BT_DBG("");
2601
4ec86d4c 2602 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
9db5c629
MH		 2603 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
2604 MGMT_STATUS_INVALID_PARAMS);
4ec86d4c 2605
09fd0de5 2606 hci_dev_lock(hdev);
17fa4b9d
JH		 2607
2608 hdev->io_capability = cp->io_capability;
2609
2610 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 2611 hdev->io_capability);
17fa4b9d 2612
09fd0de5 2613 hci_dev_unlock(hdev);
17fa4b9d 2614
2a1afb5a
JH		 2615 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
2616 NULL, 0);
17fa4b9d
JH		 2617}
2618
3b0602cd 2619static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 2620{
2621 struct hci_dev *hdev = conn->hdev;
3b0602cd 2622 struct mgmt_pending_cmd *cmd;
e9a416b5 2623
2e58ef3e 2624 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 2625 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
2626 continue;
2627
e9a416b5
JH		 2628 if (cmd->user_data != conn)
2629 continue;
2630
2631 return cmd;
2632 }
2633
2634 return NULL;
2635}
2636
3b0602cd 2637static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
e9a416b5
JH		 2638{
2639 struct mgmt_rp_pair_device rp;
2640 struct hci_conn *conn = cmd->user_data;
9df74653 2641 int err;
e9a416b5 2642
61b1a7fb
JH		 2643 bacpy(&rp.addr.bdaddr, &conn->dst);
2644 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 2645
2a1afb5a
JH		 2646 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
2647 status, &rp, sizeof(rp));
e9a416b5
JH		 2648
2649 /* So we don't get further callbacks for this connection */
2650 conn->connect_cfm_cb = NULL;
2651 conn->security_cfm_cb = NULL;
2652 conn->disconn_cfm_cb = NULL;
2653
76a68ba0 2654 hci_conn_drop(conn);
89cbb063
AA		 2655
2656 /* The device is paired so there is no need to remove
2657 * its connection parameters anymore.
2658 */
2659 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
15013aeb
JH		 2660
2661 hci_conn_put(conn);
9df74653
JH		 2662
2663 return err;
e9a416b5
JH		 2664}
2665
f4a407be
JH		 2666void mgmt_smp_complete(struct hci_conn *conn, bool complete)
2667{
2668 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3b0602cd 2669 struct mgmt_pending_cmd *cmd;
f4a407be
JH		 2670
2671 cmd = find_pairing(conn);
a511b35b 2672 if (cmd) {
04ab2749 2673 cmd->cmd_complete(cmd, status);
a511b35b
JH		 2674 mgmt_pending_remove(cmd);
2675 }
f4a407be
JH		 2676}
2677
e9a416b5
JH		 2678static void pairing_complete_cb(struct hci_conn *conn, u8 status)
2679{
3b0602cd 2680 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 2681
2682 BT_DBG("status %u", status);
2683
2684 cmd = find_pairing(conn);
a511b35b 2685 if (!cmd) {
e9a416b5 2686 BT_DBG("Unable to find a pending command");
a511b35b
JH		 2687 return;
2688 }
2689
2690 cmd->cmd_complete(cmd, mgmt_status(status));
2691 mgmt_pending_remove(cmd);
e9a416b5
JH		 2692}
2693
f4a407be 2694static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739 2695{
3b0602cd 2696 struct mgmt_pending_cmd *cmd;
4c47d739
VA		 2697
2698 BT_DBG("status %u", status);
2699
2700 if (!status)
2701 return;
2702
2703 cmd = find_pairing(conn);
a511b35b 2704 if (!cmd) {
4c47d739 2705 BT_DBG("Unable to find a pending command");
a511b35b
JH		 2706 return;
2707 }
2708
2709 cmd->cmd_complete(cmd, mgmt_status(status));
2710 mgmt_pending_remove(cmd);
4c47d739
VA		 2711}
2712
bdb6d971 2713static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2714 u16 len)
e9a416b5 2715{
650f726d 2716 struct mgmt_cp_pair_device *cp = data;
1425acb7 2717 struct mgmt_rp_pair_device rp;
3b0602cd 2718 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 2719 u8 sec_level, auth_type;
2720 struct hci_conn *conn;
e9a416b5
JH		 2721 int err;
2722
2723 BT_DBG("");
2724
f950a30e
SJ		 2725 memset(&rp, 0, sizeof(rp));
2726 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2727 rp.addr.type = cp->addr.type;
2728
4ee71b20 2729 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 2730 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2731 MGMT_STATUS_INVALID_PARAMS,
2732 &rp, sizeof(rp));
4ee71b20 2733
4ec86d4c 2734 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 2735 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2736 MGMT_STATUS_INVALID_PARAMS,
2737 &rp, sizeof(rp));
4ec86d4c 2738
09fd0de5 2739 hci_dev_lock(hdev);
e9a416b5 2740
5f97c1df 2741 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2742 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2743 MGMT_STATUS_NOT_POWERED, &rp,
2744 sizeof(rp));
5f97c1df
JH		 2745 goto unlock;
2746 }
2747
55e76b38
JH		 2748 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
2749 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2750 MGMT_STATUS_ALREADY_PAIRED, &rp,
2751 sizeof(rp));
2752 goto unlock;
2753 }
2754
c908df36 2755 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 2756 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 2757
6f77d8c7 2758 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 2759 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
2760 auth_type);
6f77d8c7 2761 } else {
85813a7e 2762 u8 addr_type = le_addr_type(cp->addr.type);
5157b8a5 2763 struct hci_conn_params *p;
6f77d8c7 2764
7c264b10
MH		 2765 /* When pairing a new device, it is expected to remember
2766 * this device for future connections. Adding the connection
2767 * parameter information ahead of time allows tracking
2768 * of the slave preferred values and will speed up any
2769 * further connection establishment.
2770 *
2771 * If connection parameters already exist, then they
2772 * will be kept and this function does nothing.
2773 */
5157b8a5
JP		 2774 p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
2775
2776 if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
2777 p->auto_connect = HCI_AUTO_CONN_DISABLED;
7c264b10 2778
fa142220
JP		 2779 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
2780 addr_type, sec_level,
0ad06aa6 2781 HCI_LE_CONN_TIMEOUT);
6f77d8c7 2782 }
7a512d01 2783
30e76272 2784 if (IS_ERR(conn)) {
489dc48e
AK		 2785 int status;
2786
2787 if (PTR_ERR(conn) == -EBUSY)
2788 status = MGMT_STATUS_BUSY;
faa81030
LR		 2789 else if (PTR_ERR(conn) == -EOPNOTSUPP)
2790 status = MGMT_STATUS_NOT_SUPPORTED;
2791 else if (PTR_ERR(conn) == -ECONNREFUSED)
2792 status = MGMT_STATUS_REJECTED;
489dc48e
AK		 2793 else
2794 status = MGMT_STATUS_CONNECT_FAILED;
2795
2a1afb5a
JH		 2796 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2797 status, &rp, sizeof(rp));
e9a416b5
JH		 2798 goto unlock;
2799 }
2800
2801 if (conn->connect_cfm_cb) {
76a68ba0 2802 hci_conn_drop(conn);
2a1afb5a
JH		 2803 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2804 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 2805 goto unlock;
2806 }
2807
2e58ef3e 2808 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 2809 if (!cmd) {
2810 err = -ENOMEM;
76a68ba0 2811 hci_conn_drop(conn);
e9a416b5
JH		 2812 goto unlock;
2813 }
2814
04ab2749
JH		 2815 cmd->cmd_complete = pairing_complete;
2816
7a512d01 2817 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 2818 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 2819 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 2820 conn->security_cfm_cb = pairing_complete_cb;
2821 conn->disconn_cfm_cb = pairing_complete_cb;
2822 } else {
2823 conn->connect_cfm_cb = le_pairing_complete_cb;
2824 conn->security_cfm_cb = le_pairing_complete_cb;
2825 conn->disconn_cfm_cb = le_pairing_complete_cb;
2826 }
7a512d01 2827
e9a416b5 2828 conn->io_capability = cp->io_cap;
f8aaf9b6 2829 cmd->user_data = hci_conn_get(conn);
e9a416b5 2830
6f78fd4b 2831 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
a511b35b
JH		 2832 hci_conn_security(conn, sec_level, auth_type, true)) {
2833 cmd->cmd_complete(cmd, 0);
2834 mgmt_pending_remove(cmd);
2835 }
e9a416b5
JH		 2836
2837 err = 0;
2838
2839unlock:
09fd0de5 2840 hci_dev_unlock(hdev);
e9a416b5
JH		 2841 return err;
2842}
2843
04124681
GP		 2844static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
2845 u16 len)
28424707 2846{
0f4e68cf 2847 struct mgmt_addr_info *addr = data;
3b0602cd 2848 struct mgmt_pending_cmd *cmd;
28424707
JH		 2849 struct hci_conn *conn;
2850 int err;
2851
2852 BT_DBG("");
2853
28424707
JH		 2854 hci_dev_lock(hdev);
2855
5f97c1df 2856 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 2857 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2858 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2859 goto unlock;
2860 }
2861
333ae95d 2862 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
28424707 2863 if (!cmd) {
a69e8375
JH		 2864 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2865 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 2866 goto unlock;
2867 }
2868
2869 conn = cmd->user_data;
2870
2871 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
a69e8375
JH		 2872 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
2873 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 2874 goto unlock;
2875 }
2876
a511b35b
JH		 2877 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
2878 mgmt_pending_remove(cmd);
28424707 2879
2a1afb5a
JH		 2880 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
2881 addr, sizeof(*addr));
28424707
JH		 2882unlock:
2883 hci_dev_unlock(hdev);
28424707
JH		 2884 return err;
2885}
2886
bdb6d971 2887static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 2888 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 2889 u16 hci_op, __le32 passkey)
a5c29683 2890{
3b0602cd 2891 struct mgmt_pending_cmd *cmd;
0df4c185 2892 struct hci_conn *conn;
a5c29683
JH		 2893 int err;
2894
09fd0de5 2895 hci_dev_lock(hdev);
08ba5382 2896
4b34ee78 2897 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2898 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2899 MGMT_STATUS_NOT_POWERED, addr,
2900 sizeof(*addr));
0df4c185 2901 goto done;
a5c29683
JH		 2902 }
2903
1707c60e
JH		 2904 if (addr->type == BDADDR_BREDR)
2905 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 2906 else
9d4c1cc1
JH		 2907 conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr,
2908 le_addr_type(addr->type));
272d90df
JH		 2909
2910 if (!conn) {
2a1afb5a
JH		 2911 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2912 MGMT_STATUS_NOT_CONNECTED, addr,
2913 sizeof(*addr));
272d90df
JH		 2914 goto done;
2915 }
47c15e2b 2916
1707c60e 2917 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 2918 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 2919 if (!err)
2a1afb5a
JH		 2920 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2921 MGMT_STATUS_SUCCESS, addr,
2922 sizeof(*addr));
5fe57d9e 2923 else
2a1afb5a
JH		 2924 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
2925 MGMT_STATUS_FAILED, addr,
2926 sizeof(*addr));
47c15e2b 2927
47c15e2b
BG		 2928 goto done;
2929 }
2930
1707c60e 2931 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 2932 if (!cmd) {
2933 err = -ENOMEM;
0df4c185 2934 goto done;
a5c29683
JH		 2935 }
2936
7776d1d8
JH		 2937 cmd->cmd_complete = addr_cmd_complete;
2938
0df4c185 2939 /* Continue with pairing via HCI */
604086b7
BG		 2940 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
2941 struct hci_cp_user_passkey_reply cp;
2942
1707c60e 2943 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 2944 cp.passkey = passkey;
2945 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
2946 } else
1707c60e
JH		 2947 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
2948 &addr->bdaddr);
604086b7 2949
a664b5bc
JH		 2950 if (err < 0)
2951 mgmt_pending_remove(cmd);
a5c29683 2952
0df4c185 2953done:
09fd0de5 2954 hci_dev_unlock(hdev);
a5c29683
JH		 2955 return err;
2956}
2957
afeb019d
JK		 2958static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
2959 void *data, u16 len)
2960{
2961 struct mgmt_cp_pin_code_neg_reply *cp = data;
2962
2963 BT_DBG("");
2964
1707c60e 2965 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 2966 MGMT_OP_PIN_CODE_NEG_REPLY,
2967 HCI_OP_PIN_CODE_NEG_REPLY, 0);
2968}
2969
04124681
GP		 2970static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2971 u16 len)
0df4c185 2972{
650f726d 2973 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 2974
2975 BT_DBG("");
2976
2977 if (len != sizeof(*cp))
a69e8375
JH		 2978 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
2979 MGMT_STATUS_INVALID_PARAMS);
0df4c185 2980
1707c60e 2981 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2982 MGMT_OP_USER_CONFIRM_REPLY,
2983 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 2984}
2985
bdb6d971 2986static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2987 void *data, u16 len)
0df4c185 2988{
c9c2659f 2989 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 2990
2991 BT_DBG("");
2992
1707c60e 2993 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 2994 MGMT_OP_USER_CONFIRM_NEG_REPLY,
2995 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 2996}
2997
04124681
GP		 2998static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2999 u16 len)
604086b7 3000{
650f726d 3001 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3002
3003 BT_DBG("");
3004
1707c60e 3005 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3006 MGMT_OP_USER_PASSKEY_REPLY,
3007 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3008}
3009
bdb6d971 3010static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3011 void *data, u16 len)
604086b7 3012{
650f726d 3013 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3014
3015 BT_DBG("");
3016
1707c60e 3017 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3018 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3019 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3020}
3021
7c295c48
MN		 3022static void adv_expire(struct hci_dev *hdev, u32 flags)
3023{
3024 struct adv_info *adv_instance;
3025 struct hci_request req;
3026 int err;
3027
3028 adv_instance = hci_find_adv_instance(hdev, hdev->cur_adv_instance);
3029 if (!adv_instance)
3030 return;
3031
3032 /* stop if current instance doesn't need to be changed */
3033 if (!(adv_instance->flags & flags))
3034 return;
3035
3036 cancel_adv_timeout(hdev);
3037
3038 adv_instance = hci_get_next_instance(hdev, adv_instance->instance);
3039 if (!adv_instance)
3040 return;
3041
3042 hci_req_init(&req, hdev);
3043 err = __hci_req_schedule_adv_instance(&req, adv_instance->instance,
3044 true);
3045 if (err)
3046 return;
3047
3048 hci_req_run(&req, NULL);
3049}
3050
1904a853 3051static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
13928971
JH		 3052{
3053 struct mgmt_cp_set_local_name *cp;
3b0602cd 3054 struct mgmt_pending_cmd *cmd;
13928971
JH		 3055
3056 BT_DBG("status 0x%02x", status);
3057
3058 hci_dev_lock(hdev);
3059
333ae95d 3060 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 3061 if (!cmd)
3062 goto unlock;
3063
3064 cp = cmd->param;
3065
7c295c48 3066 if (status) {
a69e8375
JH		 3067 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3068 mgmt_status(status));
7c295c48 3069 } else {
2a1afb5a
JH		 3070 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3071 cp, sizeof(*cp));
13928971 3072
7c295c48
MN		 3073 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
3074 adv_expire(hdev, MGMT_ADV_FLAG_LOCAL_NAME);
3075 }
3076
13928971
JH		 3077 mgmt_pending_remove(cmd);
3078
3079unlock:
3080 hci_dev_unlock(hdev);
3081}
3082
bdb6d971 3083static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3084 u16 len)
b312b161 3085{
2b4bf397 3086 struct mgmt_cp_set_local_name *cp = data;
3b0602cd 3087 struct mgmt_pending_cmd *cmd;
890ea898 3088 struct hci_request req;
b312b161
JH		 3089 int err;
3090
3091 BT_DBG("");
3092
09fd0de5 3093 hci_dev_lock(hdev);
b312b161 3094
b3f2ca94
JH		 3095 /* If the old values are the same as the new ones just return a
3096 * direct command complete event.
3097 */
3098 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3099 !memcmp(hdev->short_name, cp->short_name,
3100 sizeof(hdev->short_name))) {
2a1afb5a
JH		 3101 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3102 data, len);
b3f2ca94
JH		 3103 goto failed;
3104 }
3105
2b4bf397 3106 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3107
b5235a65 3108 if (!hdev_is_powered(hdev)) {
2b4bf397 3109 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde 3110
2a1afb5a
JH		 3111 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3112 data, len);
28cc7bde
JH		 3113 if (err < 0)
3114 goto failed;
3115
5504c3a3
MH		 3116 err = mgmt_limited_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data,
3117 len, HCI_MGMT_LOCAL_NAME_EVENTS, sk);
321c6fee 3118 ext_info_changed(hdev, sk);
28cc7bde 3119
b5235a65
JH		 3120 goto failed;
3121 }
3122
28cc7bde 3123 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3124 if (!cmd) {
3125 err = -ENOMEM;
3126 goto failed;
3127 }
3128
13928971
JH		 3129 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3130
890ea898 3131 hci_req_init(&req, hdev);
3f985050
JH		 3132
3133 if (lmp_bredr_capable(hdev)) {
00cf5040 3134 __hci_req_update_name(&req);
b1a8917c 3135 __hci_req_update_eir(&req);
3f985050
JH		 3136 }
3137
7a5f4990
MH		 3138 /* The name is stored in the scan response data and so
3139 * no need to udpate the advertising data here.
3140 */
7dc6f16c 3141 if (lmp_le_capable(hdev) && hci_dev_test_flag(hdev, HCI_ADVERTISING))
cab054ab 3142 __hci_req_update_scan_rsp_data(&req, hdev->cur_adv_instance);
3f985050 3143
13928971 3144 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3145 if (err < 0)
3146 mgmt_pending_remove(cmd);
3147
3148failed:
09fd0de5 3149 hci_dev_unlock(hdev);
b312b161
JH		 3150 return err;
3151}
3152
c4960ecf
MN		 3153static int set_appearance(struct sock *sk, struct hci_dev *hdev, void *data,
3154 u16 len)
3155{
3156 struct mgmt_cp_set_appearance *cp = data;
3157 u16 apperance;
3158 int err;
3159
3160 BT_DBG("");
3161
af4168c5
MN		 3162 if (!lmp_le_capable(hdev))
3163 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_APPEARANCE,
3164 MGMT_STATUS_NOT_SUPPORTED);
3165
c4960ecf
MN		 3166 apperance = le16_to_cpu(cp->appearance);
3167
3168 hci_dev_lock(hdev);
3169
3170 if (hdev->appearance != apperance) {
3171 hdev->appearance = apperance;
3172
3173 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
3174 adv_expire(hdev, MGMT_ADV_FLAG_APPEARANCE);
e74317f4
MN		 3175
3176 ext_info_changed(hdev, sk);
c4960ecf
MN		 3177 }
3178
3179 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_APPEARANCE, 0, NULL,
3180 0);
3181
3182 hci_dev_unlock(hdev);
3183
3184 return err;
3185}
3186
1b9441f8
JH		 3187static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3188 u16 opcode, struct sk_buff *skb)
3189{
3190 struct mgmt_rp_read_local_oob_data mgmt_rp;
3191 size_t rp_size = sizeof(mgmt_rp);
3192 struct mgmt_pending_cmd *cmd;
3193
3194 BT_DBG("%s status %u", hdev->name, status);
3195
3196 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3197 if (!cmd)
3198 return;
3199
3200 if (status || !skb) {
3201 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3202 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3203 goto remove;
3204 }
3205
3206 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3207
3208 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3209 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3210
3211 if (skb->len < sizeof(*rp)) {
3212 mgmt_cmd_status(cmd->sk, hdev->id,
3213 MGMT_OP_READ_LOCAL_OOB_DATA,
3214 MGMT_STATUS_FAILED);
3215 goto remove;
3216 }
3217
3218 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3219 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3220
3221 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3222 } else {
3223 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3224
3225 if (skb->len < sizeof(*rp)) {
3226 mgmt_cmd_status(cmd->sk, hdev->id,
3227 MGMT_OP_READ_LOCAL_OOB_DATA,
3228 MGMT_STATUS_FAILED);
3229 goto remove;
3230 }
3231
3232 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3233 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3234
3235 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3236 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3237 }
3238
3239 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3240 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3241
3242remove:
3243 mgmt_pending_remove(cmd);
3244}
3245
0f4e68cf 3246static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3247 void *data, u16 data_len)
c35938b2 3248{
3b0602cd 3249 struct mgmt_pending_cmd *cmd;
1b9441f8 3250 struct hci_request req;
c35938b2
SJ		 3251 int err;
3252
bdb6d971 3253 BT_DBG("%s", hdev->name);
c35938b2 3254
09fd0de5 3255 hci_dev_lock(hdev);
c35938b2 3256
4b34ee78 3257 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3258 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3259 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3260 goto unlock;
3261 }
3262
9a1a1996 3263 if (!lmp_ssp_capable(hdev)) {
a69e8375
JH		 3264 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3265 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3266 goto unlock;
3267 }
3268
333ae95d 3269 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
a69e8375
JH		 3270 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3271 MGMT_STATUS_BUSY);
c35938b2
SJ		 3272 goto unlock;
3273 }
3274
2e58ef3e 3275 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3276 if (!cmd) {
3277 err = -ENOMEM;
3278 goto unlock;
3279 }
3280
1b9441f8
JH		 3281 hci_req_init(&req, hdev);
3282
710f11c0 3283 if (bredr_sc_enabled(hdev))
1b9441f8 3284 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4d2d2796 3285 else
1b9441f8 3286 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4d2d2796 3287
1b9441f8 3288 err = hci_req_run_skb(&req, read_local_oob_data_complete);
c35938b2
SJ		 3289 if (err < 0)
3290 mgmt_pending_remove(cmd);
3291
3292unlock:
09fd0de5 3293 hci_dev_unlock(hdev);
c35938b2
SJ		 3294 return err;
3295}
3296
bdb6d971 3297static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3298 void *data, u16 len)
2763eda6 3299{
5d57e796 3300 struct mgmt_addr_info *addr = data;
2763eda6
SJ		 3301 int err;
3302
bdb6d971 3303 BT_DBG("%s ", hdev->name);
2763eda6 3304
5d57e796 3305 if (!bdaddr_type_is_valid(addr->type))
2a1afb5a
JH		 3306 return mgmt_cmd_complete(sk, hdev->id,
3307 MGMT_OP_ADD_REMOTE_OOB_DATA,
3308 MGMT_STATUS_INVALID_PARAMS,
3309 addr, sizeof(*addr));
5d57e796 3310
09fd0de5 3311 hci_dev_lock(hdev);
2763eda6 3312
ec109113
MH		 3313 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3314 struct mgmt_cp_add_remote_oob_data *cp = data;
3315 u8 status;
bf1e3541 3316
c19a495c 3317 if (cp->addr.type != BDADDR_BREDR) {
2a1afb5a
JH		 3318 err = mgmt_cmd_complete(sk, hdev->id,
3319 MGMT_OP_ADD_REMOTE_OOB_DATA,
3320 MGMT_STATUS_INVALID_PARAMS,
3321 &cp->addr, sizeof(cp->addr));
c19a495c
JH		 3322 goto unlock;
3323 }
3324
ec109113 3325 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 3326 cp->addr.type, cp->hash,
3327 cp->rand, NULL, NULL);
ec109113
MH		 3328 if (err < 0)
3329 status = MGMT_STATUS_FAILED;
3330 else
3331 status = MGMT_STATUS_SUCCESS;
3332
2a1afb5a
JH		 3333 err = mgmt_cmd_complete(sk, hdev->id,
3334 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
3335 &cp->addr, sizeof(cp->addr));
ec109113
MH		 3336 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3337 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
41bcfd50 3338 u8 *rand192, *hash192, *rand256, *hash256;
ec109113
MH		 3339 u8 status;
3340
86df9200 3341 if (bdaddr_type_is_le(cp->addr.type)) {
d25b78e2
JH		 3342 /* Enforce zero-valued 192-bit parameters as
3343 * long as legacy SMP OOB isn't implemented.
3344 */
3345 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
3346 memcmp(cp->hash192, ZERO_KEY, 16)) {
2a1afb5a
JH		 3347 err = mgmt_cmd_complete(sk, hdev->id,
3348 MGMT_OP_ADD_REMOTE_OOB_DATA,
3349 MGMT_STATUS_INVALID_PARAMS,
3350 addr, sizeof(*addr));
d25b78e2
JH		 3351 goto unlock;
3352 }
3353
86df9200
JH		 3354 rand192 = NULL;
3355 hash192 = NULL;
3356 } else {
41bcfd50
MH		 3357 /* In case one of the P-192 values is set to zero,
3358 * then just disable OOB data for P-192.
3359 */
3360 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
3361 !memcmp(cp->hash192, ZERO_KEY, 16)) {
3362 rand192 = NULL;
3363 hash192 = NULL;
3364 } else {
3365 rand192 = cp->rand192;
3366 hash192 = cp->hash192;
3367 }
3368 }
3369
3370 /* In case one of the P-256 values is set to zero, then just
3371 * disable OOB data for P-256.
3372 */
3373 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
3374 !memcmp(cp->hash256, ZERO_KEY, 16)) {
3375 rand256 = NULL;
3376 hash256 = NULL;
3377 } else {
3378 rand256 = cp->rand256;
3379 hash256 = cp->hash256;
86df9200
JH		 3380 }
3381
81328d5c 3382 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200 3383 cp->addr.type, hash192, rand192,
41bcfd50 3384 hash256, rand256);
ec109113
MH		 3385 if (err < 0)
3386 status = MGMT_STATUS_FAILED;
3387 else
3388 status = MGMT_STATUS_SUCCESS;
3389
2a1afb5a
JH		 3390 err = mgmt_cmd_complete(sk, hdev->id,
3391 MGMT_OP_ADD_REMOTE_OOB_DATA,
3392 status, &cp->addr, sizeof(cp->addr));
ec109113
MH		 3393 } else {
3394 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
a69e8375
JH		 3395 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3396 MGMT_STATUS_INVALID_PARAMS);
ec109113 3397 }
2763eda6 3398
c19a495c 3399unlock:
09fd0de5 3400 hci_dev_unlock(hdev);
2763eda6
SJ		 3401 return err;
3402}
3403
bdb6d971 3404static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3405 void *data, u16 len)
2763eda6 3406{
650f726d 3407 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3408 u8 status;
2763eda6
SJ		 3409 int err;
3410
bdb6d971 3411 BT_DBG("%s", hdev->name);
2763eda6 3412
c19a495c 3413 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 3414 return mgmt_cmd_complete(sk, hdev->id,
3415 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3416 MGMT_STATUS_INVALID_PARAMS,
3417 &cp->addr, sizeof(cp->addr));
c19a495c 3418
09fd0de5 3419 hci_dev_lock(hdev);
2763eda6 3420
eedbd581
JH		 3421 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
3422 hci_remote_oob_data_clear(hdev);
3423 status = MGMT_STATUS_SUCCESS;
3424 goto done;
3425 }
3426
6928a924 3427 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 3428 if (err < 0)
bf1e3541 3429 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3430 else
a6785be2 3431 status = MGMT_STATUS_SUCCESS;
bf1e3541 3432
eedbd581 3433done:
2a1afb5a
JH		 3434 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
3435 status, &cp->addr, sizeof(cp->addr));
2763eda6 3436
09fd0de5 3437 hci_dev_unlock(hdev);
2763eda6
SJ		 3438 return err;
3439}
3440
e68f072b 3441void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status)
7c307720 3442{
3b0602cd 3443 struct mgmt_pending_cmd *cmd;
ae55f598 3444
7c307720
AG		 3445 BT_DBG("status %d", status);
3446
11e6e25d 3447 hci_dev_lock(hdev);
41dc2bd6 3448
333ae95d 3449 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
66ea9427 3450 if (!cmd)
333ae95d 3451 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
66ea9427 3452
78b781ca
JH		 3453 if (!cmd)
3454 cmd = pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev);
3455
11e6e25d 3456 if (cmd) {
2922a94f 3457 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d
MH		 3458 mgmt_pending_remove(cmd);
3459 }
7c307720 3460
11e6e25d 3461 hci_dev_unlock(hdev);
7c307720
AG		 3462}
3463
591752af
JH		 3464static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
3465 uint8_t *mgmt_status)
3466{
3467 switch (type) {
3468 case DISCOV_TYPE_LE:
3469 *mgmt_status = mgmt_le_support(hdev);
3470 if (*mgmt_status)
3471 return false;
3472 break;
3473 case DISCOV_TYPE_INTERLEAVED:
3474 *mgmt_status = mgmt_le_support(hdev);
3475 if (*mgmt_status)
3476 return false;
3477 /* Intentional fall-through */
3478 case DISCOV_TYPE_BREDR:
3479 *mgmt_status = mgmt_bredr_support(hdev);
3480 if (*mgmt_status)
3481 return false;
3482 break;
3483 default:
3484 *mgmt_status = MGMT_STATUS_INVALID_PARAMS;
3485 return false;
3486 }
3487
3488 return true;
3489}
3490
78b781ca
JH		 3491static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
3492 u16 op, void *data, u16 len)
14a53664 3493{
650f726d 3494 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 3495 struct mgmt_pending_cmd *cmd;
8019044d 3496 u8 status;
14a53664
JH		 3497 int err;
3498
bdb6d971 3499 BT_DBG("%s", hdev->name);
14a53664 3500
09fd0de5 3501 hci_dev_lock(hdev);
14a53664 3502
4b34ee78 3503 if (!hdev_is_powered(hdev)) {
78b781ca 3504 err = mgmt_cmd_complete(sk, hdev->id, op,
2a1afb5a
JH		 3505 MGMT_STATUS_NOT_POWERED,
3506 &cp->type, sizeof(cp->type));
bd2d1334
JH		 3507 goto failed;
3508 }
3509
f5a969f2 3510 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 3511 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
78b781ca
JH		 3512 err = mgmt_cmd_complete(sk, hdev->id, op, MGMT_STATUS_BUSY,
3513 &cp->type, sizeof(cp->type));
642be6c7
AG		 3514 goto failed;
3515 }
3516
591752af 3517 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
78b781ca
JH		 3518 err = mgmt_cmd_complete(sk, hdev->id, op, status,
3519 &cp->type, sizeof(cp->type));
591752af
JH		 3520 goto failed;
3521 }
3522
22078800
MH		 3523 /* Clear the discovery filter first to free any previously
3524 * allocated memory for the UUID list.
3525 */
3526 hci_discovery_filter_clear(hdev);
3527
4aab14e5 3528 hdev->discovery.type = cp->type;
da25cf6a 3529 hdev->discovery.report_invalid_rssi = false;
78b781ca
JH		 3530 if (op == MGMT_OP_START_LIMITED_DISCOVERY)
3531 hdev->discovery.limited = true;
3532 else
3533 hdev->discovery.limited = false;
4aab14e5 3534
78b781ca 3535 cmd = mgmt_pending_add(sk, op, hdev, data, len);
e68f072b
JH		 3536 if (!cmd) {
3537 err = -ENOMEM;
04106755 3538 goto failed;
f39799f5 3539 }
04106755 3540
e68f072b 3541 cmd->cmd_complete = generic_cmd_complete;
7c307720 3542
f5a969f2 3543 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
e68f072b
JH		 3544 queue_work(hdev->req_workqueue, &hdev->discov_update);
3545 err = 0;
7c307720 3546
14a53664 3547failed:
09fd0de5 3548 hci_dev_unlock(hdev);
14a53664
JH		 3549 return err;
3550}
f39799f5 3551
78b781ca
JH		 3552static int start_discovery(struct sock *sk, struct hci_dev *hdev,
3553 void *data, u16 len)
3554{
3555 return start_discovery_internal(sk, hdev, MGMT_OP_START_DISCOVERY,
3556 data, len);
3557}
3558
3559static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev,
3560 void *data, u16 len)
3561{
3562 return start_discovery_internal(sk, hdev,
3563 MGMT_OP_START_LIMITED_DISCOVERY,
3564 data, len);
3565}
3566
3b0602cd
JH		 3567static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
3568 u8 status)
2922a94f 3569{
2a1afb5a
JH		 3570 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
3571 cmd->param, 1);
2922a94f 3572}
04106755 3573
66ea9427
JP		 3574static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
3575 void *data, u16 len)
3576{
3577 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 3578 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 3579 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
3580 u16 uuid_count, expected_len;
3581 u8 status;
3582 int err;
04106755 3583
66ea9427 3584 BT_DBG("%s", hdev->name);
e8bb6b97 3585
66ea9427 3586 hci_dev_lock(hdev);
7c307720 3587
66ea9427 3588 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3589 err = mgmt_cmd_complete(sk, hdev->id,
3590 MGMT_OP_START_SERVICE_DISCOVERY,
3591 MGMT_STATUS_NOT_POWERED,
3592 &cp->type, sizeof(cp->type));
66ea9427
JP		 3593 goto failed;
3594 }
7c307720 3595
66ea9427 3596 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 3597 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 3598 err = mgmt_cmd_complete(sk, hdev->id,
3599 MGMT_OP_START_SERVICE_DISCOVERY,
3600 MGMT_STATUS_BUSY, &cp->type,
3601 sizeof(cp->type));
66ea9427
JP		 3602 goto failed;
3603 }
d9483943 3604
66ea9427
JP		 3605 uuid_count = __le16_to_cpu(cp->uuid_count);
3606 if (uuid_count > max_uuid_count) {
3607 BT_ERR("service_discovery: too big uuid_count value %u",
3608 uuid_count);
2a1afb5a
JH		 3609 err = mgmt_cmd_complete(sk, hdev->id,
3610 MGMT_OP_START_SERVICE_DISCOVERY,
3611 MGMT_STATUS_INVALID_PARAMS, &cp->type,
3612 sizeof(cp->type));
66ea9427
JP		 3613 goto failed;
3614 }
3615
3616 expected_len = sizeof(*cp) + uuid_count * 16;
3617 if (expected_len != len) {
3618 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
3619 expected_len, len);
2a1afb5a
JH		 3620 err = mgmt_cmd_complete(sk, hdev->id,
3621 MGMT_OP_START_SERVICE_DISCOVERY,
3622 MGMT_STATUS_INVALID_PARAMS, &cp->type,
3623 sizeof(cp->type));
66ea9427
JP		 3624 goto failed;
3625 }
3626
591752af
JH		 3627 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
3628 err = mgmt_cmd_complete(sk, hdev->id,
3629 MGMT_OP_START_SERVICE_DISCOVERY,
3630 status, &cp->type, sizeof(cp->type));
3631 goto failed;
3632 }
3633
66ea9427 3634 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 3635 hdev, data, len);
66ea9427
JP		 3636 if (!cmd) {
3637 err = -ENOMEM;
3638 goto failed;
3639 }
3640
2922a94f
JH		 3641 cmd->cmd_complete = service_discovery_cmd_complete;
3642
22078800
MH		 3643 /* Clear the discovery filter first to free any previously
3644 * allocated memory for the UUID list.
3645 */
3646 hci_discovery_filter_clear(hdev);
3647
82f8b651 3648 hdev->discovery.result_filtering = true;
66ea9427
JP		 3649 hdev->discovery.type = cp->type;
3650 hdev->discovery.rssi = cp->rssi;
3651 hdev->discovery.uuid_count = uuid_count;
3652
3653 if (uuid_count > 0) {
3654 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
3655 GFP_KERNEL);
3656 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 3657 err = mgmt_cmd_complete(sk, hdev->id,
3658 MGMT_OP_START_SERVICE_DISCOVERY,
3659 MGMT_STATUS_FAILED,
3660 &cp->type, sizeof(cp->type));
d9483943
JH		 3661 mgmt_pending_remove(cmd);
3662 goto failed;
3663 }
66ea9427 3664 }
d9483943 3665
66ea9427 3666 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
e68f072b
JH		 3667 queue_work(hdev->req_workqueue, &hdev->discov_update);
3668 err = 0;
14a53664
JH		 3669
3670failed:
09fd0de5 3671 hci_dev_unlock(hdev);
14a53664
JH		 3672 return err;
3673}
3674
2154d3f4 3675void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status)
1183fdca 3676{
3b0602cd 3677 struct mgmt_pending_cmd *cmd;
1183fdca 3678
0e05bba6
AG		 3679 BT_DBG("status %d", status);
3680
3681 hci_dev_lock(hdev);
3682
333ae95d 3683 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 3684 if (cmd) {
2922a94f 3685 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 3686 mgmt_pending_remove(cmd);
0e05bba6
AG		 3687 }
3688
0e05bba6
AG		 3689 hci_dev_unlock(hdev);
3690}
3691
bdb6d971 3692static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3693 u16 len)
14a53664 3694{
d930650b 3695 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 3696 struct mgmt_pending_cmd *cmd;
14a53664
JH		 3697 int err;
3698
bdb6d971 3699 BT_DBG("%s", hdev->name);
14a53664 3700
09fd0de5 3701 hci_dev_lock(hdev);
14a53664 3702
30dc78e1 3703 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 3704 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
3705 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3706 sizeof(mgmt_cp->type));
d930650b
JH		 3707 goto unlock;
3708 }
3709
3710 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 3711 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
3712 MGMT_STATUS_INVALID_PARAMS,
3713 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 3714 goto unlock;
ff9ef578
JH		 3715 }
3716
2922a94f 3717 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 3718 if (!cmd) {
3719 err = -ENOMEM;
30dc78e1
JH		 3720 goto unlock;
3721 }
3722
2922a94f
JH		 3723 cmd->cmd_complete = generic_cmd_complete;
3724
2154d3f4
JH		 3725 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
3726 queue_work(hdev->req_workqueue, &hdev->discov_update);
3727 err = 0;
14a53664 3728
30dc78e1 3729unlock:
09fd0de5 3730 hci_dev_unlock(hdev);
14a53664
JH		 3731 return err;
3732}
3733
bdb6d971 3734static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3735 u16 len)
561aafbc 3736{
650f726d 3737 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3738 struct inquiry_entry *e;
561aafbc
JH		 3739 int err;
3740
bdb6d971 3741 BT_DBG("%s", hdev->name);
561aafbc 3742
561aafbc
JH		 3743 hci_dev_lock(hdev);
3744
30dc78e1 3745 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 3746 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3747 MGMT_STATUS_FAILED, &cp->addr,
3748 sizeof(cp->addr));
30dc78e1
JH		 3749 goto failed;
3750 }
3751
a198e7b1 3752 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 3753 if (!e) {
2a1afb5a
JH		 3754 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3755 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3756 sizeof(cp->addr));
561aafbc
JH		 3757 goto failed;
3758 }
3759
3760 if (cp->name_known) {
3761 e->name_state = NAME_KNOWN;
3762 list_del(&e->list);
3763 } else {
3764 e->name_state = NAME_NEEDED;
a3d4e20a 3765 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 3766 }
3767
2a1afb5a
JH		 3768 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
3769 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 3770
3771failed:
3772 hci_dev_unlock(hdev);
561aafbc
JH		 3773 return err;
3774}
3775
bdb6d971 3776static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3777 u16 len)
7fbec224 3778{
650f726d 3779 struct mgmt_cp_block_device *cp = data;
f0eeea8b 3780 u8 status;
7fbec224
AJ		 3781 int err;
3782
bdb6d971 3783 BT_DBG("%s", hdev->name);
7fbec224 3784
4ee71b20 3785 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3786 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
3787 MGMT_STATUS_INVALID_PARAMS,
3788 &cp->addr, sizeof(cp->addr));
4ee71b20 3789
09fd0de5 3790 hci_dev_lock(hdev);
5e762444 3791
dcc36c16
JH		 3792 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
3793 cp->addr.type);
2a8357f2 3794 if (err < 0) {
f0eeea8b 3795 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 3796 goto done;
3797 }
3798
3799 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3800 sk);
3801 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3802
2a8357f2 3803done:
2a1afb5a
JH		 3804 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
3805 &cp->addr, sizeof(cp->addr));
5e762444 3806
09fd0de5 3807 hci_dev_unlock(hdev);
7fbec224
AJ		 3808
3809 return err;
3810}
3811
bdb6d971 3812static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3813 u16 len)
7fbec224 3814{
650f726d 3815 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 3816 u8 status;
7fbec224
AJ		 3817 int err;
3818
bdb6d971 3819 BT_DBG("%s", hdev->name);
7fbec224 3820
4ee71b20 3821 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3822 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
3823 MGMT_STATUS_INVALID_PARAMS,
3824 &cp->addr, sizeof(cp->addr));
4ee71b20 3825
09fd0de5 3826 hci_dev_lock(hdev);
5e762444 3827
dcc36c16
JH		 3828 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
3829 cp->addr.type);
2a8357f2 3830 if (err < 0) {
f0eeea8b 3831 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 3832 goto done;
3833 }
3834
3835 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
3836 sk);
3837 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3838
2a8357f2 3839done:
2a1afb5a
JH		 3840 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
3841 &cp->addr, sizeof(cp->addr));
5e762444 3842
09fd0de5 3843 hci_dev_unlock(hdev);
7fbec224
AJ		 3844
3845 return err;
3846}
3847
cdbaccca
MH		 3848static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
3849 u16 len)
3850{
3851 struct mgmt_cp_set_device_id *cp = data;
890ea898 3852 struct hci_request req;
cdbaccca 3853 int err;
c72d4b8a 3854 __u16 source;
cdbaccca
MH		 3855
3856 BT_DBG("%s", hdev->name);
3857
c72d4b8a
SJ		 3858 source = __le16_to_cpu(cp->source);
3859
3860 if (source > 0x0002)
a69e8375
JH		 3861 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
3862 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 3863
cdbaccca
MH		 3864 hci_dev_lock(hdev);
3865
c72d4b8a 3866 hdev->devid_source = source;
cdbaccca
MH		 3867 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
3868 hdev->devid_product = __le16_to_cpu(cp->product);
3869 hdev->devid_version = __le16_to_cpu(cp->version);
3870
2a1afb5a
JH		 3871 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
3872 NULL, 0);
cdbaccca 3873
890ea898 3874 hci_req_init(&req, hdev);
b1a8917c 3875 __hci_req_update_eir(&req);
890ea898 3876 hci_req_run(&req, NULL);
cdbaccca
MH		 3877
3878 hci_dev_unlock(hdev);
3879
3880 return err;
3881}
3882
24b4f38f
AU		 3883static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
3884 u16 opcode)
3885{
3886 BT_DBG("status %d", status);
3887}
3888
1904a853
MH		 3889static void set_advertising_complete(struct hci_dev *hdev, u8 status,
3890 u16 opcode)
4375f103
JH		 3891{
3892 struct cmd_lookup match = { NULL, hdev };
24b4f38f 3893 struct hci_request req;
7816b820
FG		 3894 u8 instance;
3895 struct adv_info *adv_instance;
3896 int err;
4375f103 3897
3ad67582
JK		 3898 hci_dev_lock(hdev);
3899
4375f103
JH		 3900 if (status) {
3901 u8 mgmt_err = mgmt_status(status);
3902
3903 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
3904 cmd_status_rsp, &mgmt_err);
3ad67582 3905 goto unlock;
4375f103
JH		 3906 }
3907
d7a5a11d 3908 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 3909 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 3910 else
a358dc11 3911 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 3912
4375f103
JH		 3913 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
3914 &match);
3915
3916 new_settings(hdev, match.sk);
3917
3918 if (match.sk)
3919 sock_put(match.sk);
3ad67582 3920
24b4f38f 3921 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 3922 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 3923 */
3924 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820 3925 list_empty(&hdev->adv_instances))
24b4f38f
AU		 3926 goto unlock;
3927
7816b820
FG		 3928 instance = hdev->cur_adv_instance;
3929 if (!instance) {
3930 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
3931 struct adv_info, list);
3932 if (!adv_instance)
3933 goto unlock;
3934
3935 instance = adv_instance->instance;
3936 }
3937
24b4f38f
AU		 3938 hci_req_init(&req, hdev);
3939
f2252570 3940 err = __hci_req_schedule_adv_instance(&req, instance, true);
7816b820
FG		 3941
3942 if (!err)
3943 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 3944
7816b820 3945 if (err)
24b4f38f
AU		 3946 BT_ERR("Failed to re-configure advertising");
3947
3ad67582
JK		 3948unlock:
3949 hci_dev_unlock(hdev);
4375f103
JH		 3950}
3951
21b5187f
MH		 3952static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
3953 u16 len)
4375f103
JH		 3954{
3955 struct mgmt_mode *cp = data;
3b0602cd 3956 struct mgmt_pending_cmd *cmd;
4375f103 3957 struct hci_request req;
cc91cb04 3958 u8 val, status;
4375f103
JH		 3959 int err;
3960
3961 BT_DBG("request for %s", hdev->name);
3962
e6fe7986
JH		 3963 status = mgmt_le_support(hdev);
3964 if (status)
a69e8375
JH		 3965 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3966 status);
4375f103 3967
cc91cb04 3968 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 3969 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3970 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 3971
3972 hci_dev_lock(hdev);
3973
3974 val = !!cp->val;
4375f103 3975
f74ca9b8
JH		 3976 /* The following conditions are ones which mean that we should
3977 * not do any HCI communication but directly send a mgmt
3978 * response to user space (after toggling the flag if
3979 * necessary).
3980 */
cc91cb04 3981 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 3982 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
3983 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 3984 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 3985 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 3986 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 3987 bool changed;
4375f103 3988
cc91cb04 3989 if (cp->val) {
cab054ab 3990 hdev->cur_adv_instance = 0x00;
238be788 3991 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 3992 if (cp->val == 0x02)
a1536da2 3993 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3994 else
a358dc11 3995 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 3996 } else {
a69d8927 3997 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 3998 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 3999 }
4000
4001 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4002 if (err < 0)
4003 goto unlock;
4004
4005 if (changed)
4006 err = new_settings(hdev, sk);
4007
4008 goto unlock;
4009 }
4010
333ae95d
JH		 4011 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4012 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 4013 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4014 MGMT_STATUS_BUSY);
4375f103
JH		 4015 goto unlock;
4016 }
4017
4018 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4019 if (!cmd) {
4020 err = -ENOMEM;
4021 goto unlock;
4022 }
4023
4024 hci_req_init(&req, hdev);
4025
cc91cb04 4026 if (cp->val == 0x02)
a1536da2 4027 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4028 else
a358dc11 4029 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4030
7816b820
FG		 4031 cancel_adv_timeout(hdev);
4032
24b4f38f 4033 if (val) {
7816b820
FG		 4034 /* Switch to instance "0" for the Set Advertising setting.
4035 * We cannot use update_[adv|scan_rsp]_data() here as the
4036 * HCI_ADVERTISING flag is not yet set.
4037 */
cab054ab 4038 hdev->cur_adv_instance = 0x00;
f2252570
JH		 4039 __hci_req_update_adv_data(&req, 0x00);
4040 __hci_req_update_scan_rsp_data(&req, 0x00);
4041 __hci_req_enable_advertising(&req);
24b4f38f 4042 } else {
f2252570 4043 __hci_req_disable_advertising(&req);
24b4f38f 4044 }
4375f103
JH		 4045
4046 err = hci_req_run(&req, set_advertising_complete);
4047 if (err < 0)
4048 mgmt_pending_remove(cmd);
4049
4050unlock:
4051 hci_dev_unlock(hdev);
4052 return err;
4053}
4054
d13eafce
MH		 4055static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4056 void *data, u16 len)
4057{
4058 struct mgmt_cp_set_static_address *cp = data;
4059 int err;
4060
4061 BT_DBG("%s", hdev->name);
4062
62af4443 4063 if (!lmp_le_capable(hdev))
a69e8375
JH		 4064 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4065 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4066
4067 if (hdev_is_powered(hdev))
a69e8375
JH		 4068 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4069 MGMT_STATUS_REJECTED);
d13eafce
MH		 4070
4071 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4072 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 4073 return mgmt_cmd_status(sk, hdev->id,
4074 MGMT_OP_SET_STATIC_ADDRESS,
4075 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4076
4077 /* Two most significant bits shall be set */
4078 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 4079 return mgmt_cmd_status(sk, hdev->id,
4080 MGMT_OP_SET_STATIC_ADDRESS,
4081 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4082 }
4083
4084 hci_dev_lock(hdev);
4085
4086 bacpy(&hdev->static_addr, &cp->bdaddr);
4087
93690c22
MH		 4088 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
4089 if (err < 0)
4090 goto unlock;
4091
4092 err = new_settings(hdev, sk);
d13eafce 4093
93690c22 4094unlock:
d13eafce 4095 hci_dev_unlock(hdev);
d13eafce
MH		 4096 return err;
4097}
4098
14b49b9a
MH		 4099static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
4100 void *data, u16 len)
4101{
4102 struct mgmt_cp_set_scan_params *cp = data;
4103 __u16 interval, window;
4104 int err;
4105
4106 BT_DBG("%s", hdev->name);
4107
4108 if (!lmp_le_capable(hdev))
a69e8375
JH		 4109 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4110 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 4111
4112 interval = __le16_to_cpu(cp->interval);
4113
4114 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 4115 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4116 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 4117
4118 window = __le16_to_cpu(cp->window);
4119
4120 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 4121 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4122 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 4123
899e1075 4124 if (window > interval)
a69e8375
JH		 4125 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4126 MGMT_STATUS_INVALID_PARAMS);
899e1075 4127
14b49b9a
MH		 4128 hci_dev_lock(hdev);
4129
4130 hdev->le_scan_interval = interval;
4131 hdev->le_scan_window = window;
4132
2a1afb5a
JH		 4133 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
4134 NULL, 0);
14b49b9a 4135
dd2ef8e2
AG		 4136 /* If background scan is running, restart it so new parameters are
4137 * loaded.
4138 */
d7a5a11d 4139 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 4140 hdev->discovery.state == DISCOVERY_STOPPED) {
4141 struct hci_request req;
4142
4143 hci_req_init(&req, hdev);
4144
4145 hci_req_add_le_scan_disable(&req);
4146 hci_req_add_le_passive_scan(&req);
4147
4148 hci_req_run(&req, NULL);
4149 }
4150
14b49b9a
MH		 4151 hci_dev_unlock(hdev);
4152
4153 return err;
4154}
4155
1904a853
MH		 4156static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
4157 u16 opcode)
33e38b3e 4158{
3b0602cd 4159 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 4160
4161 BT_DBG("status 0x%02x", status);
4162
4163 hci_dev_lock(hdev);
4164
333ae95d 4165 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 4166 if (!cmd)
4167 goto unlock;
4168
4169 if (status) {
a69e8375
JH		 4170 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4171 mgmt_status(status));
33e38b3e 4172 } else {
1a4d3c4b
JH		 4173 struct mgmt_mode *cp = cmd->param;
4174
4175 if (cp->val)
a1536da2 4176 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 4177 else
a358dc11 4178 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 4179
33e38b3e
JH		 4180 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4181 new_settings(hdev, cmd->sk);
4182 }
4183
4184 mgmt_pending_remove(cmd);
4185
4186unlock:
4187 hci_dev_unlock(hdev);
4188}
4189
bdb6d971 4190static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4191 void *data, u16 len)
f6422ec6 4192{
650f726d 4193 struct mgmt_mode *cp = data;
3b0602cd 4194 struct mgmt_pending_cmd *cmd;
33e38b3e 4195 struct hci_request req;
f6422ec6
AJ		 4196 int err;
4197
bdb6d971 4198 BT_DBG("%s", hdev->name);
f6422ec6 4199
d7a5a11d 4200 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 4201 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 4202 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4203 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 4204
a7e80f25 4205 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 4206 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4207 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 4208
f6422ec6
AJ		 4209 hci_dev_lock(hdev);
4210
333ae95d 4211 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 4212 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4213 MGMT_STATUS_BUSY);
05cbf29f
JH		 4214 goto unlock;
4215 }
4216
d7a5a11d 4217 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 4218 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4219 hdev);
4220 goto unlock;
4221 }
4222
406ef2a6 4223 if (!hdev_is_powered(hdev)) {
ce05d603 4224 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 4225 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4226 hdev);
4227 new_settings(hdev, sk);
4228 goto unlock;
4229 }
4230
33e38b3e
JH		 4231 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4232 data, len);
4233 if (!cmd) {
4234 err = -ENOMEM;
4235 goto unlock;
f6422ec6
AJ		 4236 }
4237
33e38b3e
JH		 4238 hci_req_init(&req, hdev);
4239
bf943cbf 4240 __hci_req_write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4241
4242 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4243 if (err < 0) {
a69e8375
JH		 4244 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4245 MGMT_STATUS_FAILED);
33e38b3e 4246 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4247 }
4248
33e38b3e 4249unlock:
f6422ec6 4250 hci_dev_unlock(hdev);
33e38b3e 4251
f6422ec6
AJ		 4252 return err;
4253}
4254
1904a853 4255static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 4256{
3b0602cd 4257 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 4258
4259 BT_DBG("status 0x%02x", status);
4260
4261 hci_dev_lock(hdev);
4262
333ae95d 4263 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 4264 if (!cmd)
4265 goto unlock;
4266
4267 if (status) {
4268 u8 mgmt_err = mgmt_status(status);
4269
4270 /* We need to restore the flag if related HCI commands
4271 * failed.
4272 */
a358dc11 4273 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 4274
a69e8375 4275 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 4276 } else {
4277 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4278 new_settings(hdev, cmd->sk);
4279 }
4280
4281 mgmt_pending_remove(cmd);
4282
4283unlock:
4284 hci_dev_unlock(hdev);
4285}
4286
4287static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4288{
4289 struct mgmt_mode *cp = data;
3b0602cd 4290 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 4291 struct hci_request req;
4292 int err;
4293
4294 BT_DBG("request for %s", hdev->name);
4295
4296 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 4297 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4298 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 4299
d7a5a11d 4300 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 4301 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4302 MGMT_STATUS_REJECTED);
0663ca2a
JH		 4303
4304 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 4305 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4306 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 4307
4308 hci_dev_lock(hdev);
4309
d7a5a11d 4310 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 4311 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4312 goto unlock;
4313 }
4314
4315 if (!hdev_is_powered(hdev)) {
4316 if (!cp->val) {
a358dc11
MH		 4317 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
4318 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
4319 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
4320 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
4321 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 4322 }
4323
ce05d603 4324 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 4325
4326 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4327 if (err < 0)
4328 goto unlock;
4329
4330 err = new_settings(hdev, sk);
4331 goto unlock;
4332 }
4333
4334 /* Reject disabling when powered on */
4335 if (!cp->val) {
a69e8375
JH		 4336 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4337 MGMT_STATUS_REJECTED);
0663ca2a 4338 goto unlock;
111e4bcc
MH		 4339 } else {
4340 /* When configuring a dual-mode controller to operate
4341 * with LE only and using a static address, then switching
4342 * BR/EDR back on is not allowed.
4343 *
4344 * Dual-mode controllers shall operate with the public
4345 * address as its identity address for BR/EDR and LE. So
4346 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 4347 *
4348 * The same restrictions applies when secure connections
4349 * has been enabled. For BR/EDR this is a controller feature
4350 * while for LE it is a host stack feature. This means that
4351 * switching BR/EDR back on when secure connections has been
4352 * enabled is not a supported transaction.
111e4bcc 4353 */
d7a5a11d 4354 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 4355 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 4356 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 4357 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4358 MGMT_STATUS_REJECTED);
111e4bcc
MH		 4359 goto unlock;
4360 }
0663ca2a
JH		 4361 }
4362
333ae95d 4363 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 4364 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4365 MGMT_STATUS_BUSY);
0663ca2a
JH		 4366 goto unlock;
4367 }
4368
4369 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4370 if (!cmd) {
4371 err = -ENOMEM;
4372 goto unlock;
4373 }
4374
f2252570
JH		 4375 /* We need to flip the bit already here so that
4376 * hci_req_update_adv_data generates the correct flags.
0663ca2a 4377 */
a1536da2 4378 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 4379
4380 hci_req_init(&req, hdev);
aa8af46e 4381
bf943cbf 4382 __hci_req_write_fast_connectable(&req, false);
01b1cb87 4383 __hci_req_update_scan(&req);
aa8af46e 4384
f14d8f64
MH		 4385 /* Since only the advertising data flags will change, there
4386 * is no need to update the scan response data.
4387 */
cab054ab 4388 __hci_req_update_adv_data(&req, hdev->cur_adv_instance);
aa8af46e 4389
0663ca2a
JH		 4390 err = hci_req_run(&req, set_bredr_complete);
4391 if (err < 0)
4392 mgmt_pending_remove(cmd);
4393
4394unlock:
4395 hci_dev_unlock(hdev);
4396 return err;
4397}
4398
a1443f5a
JH		 4399static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
4400{
3b0602cd 4401 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 4402 struct mgmt_mode *cp;
4403
4404 BT_DBG("%s status %u", hdev->name, status);
4405
4406 hci_dev_lock(hdev);
4407
333ae95d 4408 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 4409 if (!cmd)
4410 goto unlock;
4411
4412 if (status) {
a69e8375
JH		 4413 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
4414 mgmt_status(status));
a1443f5a
JH		 4415 goto remove;
4416 }
4417
4418 cp = cmd->param;
4419
4420 switch (cp->val) {
4421 case 0x00:
a358dc11
MH		 4422 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
4423 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4424 break;
4425 case 0x01:
a1536da2 4426 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 4427 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4428 break;
4429 case 0x02:
a1536da2
MH		 4430 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
4431 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 4432 break;
4433 }
4434
4435 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
4436 new_settings(hdev, cmd->sk);
4437
4438remove:
4439 mgmt_pending_remove(cmd);
4440unlock:
4441 hci_dev_unlock(hdev);
4442}
4443
eac83dc6
MH		 4444static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4445 void *data, u16 len)
4446{
4447 struct mgmt_mode *cp = data;
3b0602cd 4448 struct mgmt_pending_cmd *cmd;
a1443f5a 4449 struct hci_request req;
a3209694 4450 u8 val;
eac83dc6
MH		 4451 int err;
4452
4453 BT_DBG("request for %s", hdev->name);
4454
05b3c3e7 4455 if (!lmp_sc_capable(hdev) &&
d7a5a11d 4456 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 4457 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4458 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 4459
d7a5a11d 4460 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 4461 lmp_sc_capable(hdev) &&
d7a5a11d 4462 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 4463 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4464 MGMT_STATUS_REJECTED);
ed93ec69 4465
0ab04a9c 4466 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 4467 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 4468 MGMT_STATUS_INVALID_PARAMS);
4469
4470 hci_dev_lock(hdev);
4471
05b3c3e7 4472 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 4473 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 4474 bool changed;
4475
0ab04a9c 4476 if (cp->val) {
238be788
MH		 4477 changed = !hci_dev_test_and_set_flag(hdev,
4478 HCI_SC_ENABLED);
0ab04a9c 4479 if (cp->val == 0x02)
a1536da2 4480 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4481 else
a358dc11 4482 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4483 } else {
a69d8927
MH		 4484 changed = hci_dev_test_and_clear_flag(hdev,
4485 HCI_SC_ENABLED);
a358dc11 4486 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 4487 }
eac83dc6
MH		 4488
4489 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4490 if (err < 0)
4491 goto failed;
4492
4493 if (changed)
4494 err = new_settings(hdev, sk);
4495
4496 goto failed;
4497 }
4498
333ae95d 4499 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 4500 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4501 MGMT_STATUS_BUSY);
eac83dc6
MH		 4502 goto failed;
4503 }
4504
0ab04a9c
MH		 4505 val = !!cp->val;
4506
d7a5a11d
MH		 4507 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
4508 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 4509 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4510 goto failed;
4511 }
4512
4513 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4514 if (!cmd) {
4515 err = -ENOMEM;
4516 goto failed;
4517 }
4518
a1443f5a
JH		 4519 hci_req_init(&req, hdev);
4520 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
4521 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 4522 if (err < 0) {
4523 mgmt_pending_remove(cmd);
4524 goto failed;
4525 }
4526
4527failed:
4528 hci_dev_unlock(hdev);
4529 return err;
4530}
4531
4e39ac81
MH		 4532static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4533 void *data, u16 len)
4534{
4535 struct mgmt_mode *cp = data;
b9710979 4536 bool changed, use_changed;
4e39ac81
MH		 4537 int err;
4538
4539 BT_DBG("request for %s", hdev->name);
4540
b9710979 4541 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4542 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4543 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 4544
4545 hci_dev_lock(hdev);
4546
4547 if (cp->val)
238be788 4548 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 4549 else
a69d8927
MH		 4550 changed = hci_dev_test_and_clear_flag(hdev,
4551 HCI_KEEP_DEBUG_KEYS);
4e39ac81 4552
b9710979 4553 if (cp->val == 0x02)
238be788
MH		 4554 use_changed = !hci_dev_test_and_set_flag(hdev,
4555 HCI_USE_DEBUG_KEYS);
b9710979 4556 else
a69d8927
MH		 4557 use_changed = hci_dev_test_and_clear_flag(hdev,
4558 HCI_USE_DEBUG_KEYS);
b9710979
JH		 4559
4560 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 4561 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 4562 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4563 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4564 sizeof(mode), &mode);
4565 }
4566
4e39ac81
MH		 4567 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4568 if (err < 0)
4569 goto unlock;
4570
4571 if (changed)
4572 err = new_settings(hdev, sk);
4573
4574unlock:
4575 hci_dev_unlock(hdev);
4576 return err;
4577}
4578
62b04cd1
JH		 4579static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4580 u16 len)
4581{
4582 struct mgmt_cp_set_privacy *cp = cp_data;
4583 bool changed;
4584 int err;
4585
4586 BT_DBG("request for %s", hdev->name);
4587
4588 if (!lmp_le_capable(hdev))
a69e8375
JH		 4589 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4590 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1 4591
82a37ade 4592 if (cp->privacy != 0x00 && cp->privacy != 0x01 && cp->privacy != 0x02)
a69e8375
JH		 4593 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4594 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 4595
4596 if (hdev_is_powered(hdev))
a69e8375
JH		 4597 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4598 MGMT_STATUS_REJECTED);
62b04cd1
JH		 4599
4600 hci_dev_lock(hdev);
4601
c21c0ea0
JH		 4602 /* If user space supports this command it is also expected to
4603 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4604 */
a1536da2 4605 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 4606
62b04cd1 4607 if (cp->privacy) {
238be788 4608 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 4609 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 4610 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
82a37ade
JH		 4611 if (cp->privacy == 0x02)
4612 hci_dev_set_flag(hdev, HCI_LIMITED_PRIVACY);
4613 else
4614 hci_dev_clear_flag(hdev, HCI_LIMITED_PRIVACY);
62b04cd1 4615 } else {
a69d8927 4616 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 4617 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 4618 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
82a37ade 4619 hci_dev_clear_flag(hdev, HCI_LIMITED_PRIVACY);
62b04cd1
JH		 4620 }
4621
4622 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4623 if (err < 0)
4624 goto unlock;
4625
4626 if (changed)
4627 err = new_settings(hdev, sk);
4628
4629unlock:
4630 hci_dev_unlock(hdev);
4631 return err;
4632}
4633
41edf160
JH		 4634static bool irk_is_valid(struct mgmt_irk_info *irk)
4635{
4636 switch (irk->addr.type) {
4637 case BDADDR_LE_PUBLIC:
4638 return true;
4639
4640 case BDADDR_LE_RANDOM:
4641 /* Two most significant bits shall be set */
4642 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4643 return false;
4644 return true;
4645 }
4646
4647 return false;
4648}
4649
4650static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4651 u16 len)
4652{
4653 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 4654 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
4655 sizeof(struct mgmt_irk_info));
41edf160
JH		 4656 u16 irk_count, expected_len;
4657 int i, err;
4658
4659 BT_DBG("request for %s", hdev->name);
4660
4661 if (!lmp_le_capable(hdev))
a69e8375
JH		 4662 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4663 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 4664
4665 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 4666 if (irk_count > max_irk_count) {
4667 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 4668 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4669 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 4670 }
41edf160
JH		 4671
4672 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4673 if (expected_len != len) {
4674 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4675 expected_len, len);
a69e8375
JH		 4676 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4677 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 4678 }
4679
4680 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4681
4682 for (i = 0; i < irk_count; i++) {
4683 struct mgmt_irk_info *key = &cp->irks[i];
4684
4685 if (!irk_is_valid(key))
a69e8375
JH		 4686 return mgmt_cmd_status(sk, hdev->id,
4687 MGMT_OP_LOAD_IRKS,
4688 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 4689 }
4690
4691 hci_dev_lock(hdev);
4692
4693 hci_smp_irks_clear(hdev);
4694
4695 for (i = 0; i < irk_count; i++) {
4696 struct mgmt_irk_info *irk = &cp->irks[i];
41edf160 4697
85813a7e
JH		 4698 hci_add_irk(hdev, &irk->addr.bdaddr,
4699 le_addr_type(irk->addr.type), irk->val,
41edf160
JH		 4700 BDADDR_ANY);
4701 }
4702
a1536da2 4703 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 4704
2a1afb5a 4705 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 4706
4707 hci_dev_unlock(hdev);
4708
4709 return err;
4710}
4711
3f706b72
JH		 4712static bool ltk_is_valid(struct mgmt_ltk_info *key)
4713{
4714 if (key->master != 0x00 && key->master != 0x01)
4715 return false;
490cb0b3
MH		 4716
4717 switch (key->addr.type) {
4718 case BDADDR_LE_PUBLIC:
4719 return true;
4720
4721 case BDADDR_LE_RANDOM:
4722 /* Two most significant bits shall be set */
4723 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4724 return false;
4725 return true;
4726 }
4727
4728 return false;
3f706b72
JH		 4729}
4730
bdb6d971 4731static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4732 void *cp_data, u16 len)
346af67b 4733{
346af67b 4734 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 4735 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
4736 sizeof(struct mgmt_ltk_info));
346af67b 4737 u16 key_count, expected_len;
715a5bf2 4738 int i, err;
346af67b 4739
cf99ba13
MH		 4740 BT_DBG("request for %s", hdev->name);
4741
4742 if (!lmp_le_capable(hdev))
a69e8375
JH		 4743 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4744 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 4745
1f350c87 4746 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 4747 if (key_count > max_key_count) {
4748 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 4749 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4750 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 4751 }
346af67b
VCG		 4752
4753 expected_len = sizeof(*cp) + key_count *
4754 sizeof(struct mgmt_ltk_info);
4755 if (expected_len != len) {
4756 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4757 expected_len, len);
a69e8375
JH		 4758 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4759 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4760 }
4761
bdb6d971 4762 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4763
54ad6d8a
JH		 4764 for (i = 0; i < key_count; i++) {
4765 struct mgmt_ltk_info *key = &cp->keys[i];
4766
3f706b72 4767 if (!ltk_is_valid(key))
a69e8375
JH		 4768 return mgmt_cmd_status(sk, hdev->id,
4769 MGMT_OP_LOAD_LONG_TERM_KEYS,
4770 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 4771 }
4772
346af67b
VCG		 4773 hci_dev_lock(hdev);
4774
4775 hci_smp_ltks_clear(hdev);
4776
4777 for (i = 0; i < key_count; i++) {
4778 struct mgmt_ltk_info *key = &cp->keys[i];
85813a7e 4779 u8 type, authenticated;
346af67b 4780
61b43357
JH		 4781 switch (key->type) {
4782 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4783 authenticated = 0x00;
23fb8de3 4784 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 4785 break;
4786 case MGMT_LTK_AUTHENTICATED:
d7b25450 4787 authenticated = 0x01;
23fb8de3
JH		 4788 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
4789 break;
4790 case MGMT_LTK_P256_UNAUTH:
4791 authenticated = 0x00;
4792 type = SMP_LTK_P256;
61b43357 4793 break;
23fb8de3
JH		 4794 case MGMT_LTK_P256_AUTH:
4795 authenticated = 0x01;
4796 type = SMP_LTK_P256;
61b43357 4797 break;
23fb8de3
JH		 4798 case MGMT_LTK_P256_DEBUG:
4799 authenticated = 0x00;
4800 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 4801 default:
4802 continue;
4803 }
d7b25450 4804
85813a7e
JH		 4805 hci_add_ltk(hdev, &key->addr.bdaddr,
4806 le_addr_type(key->addr.type), type, authenticated,
4807 key->val, key->enc_size, key->ediv, key->rand);
346af67b
VCG		 4808 }
4809
2a1afb5a 4810 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 4811 NULL, 0);
4812
346af67b 4813 hci_dev_unlock(hdev);
346af67b 4814
715a5bf2 4815 return err;
346af67b
VCG		 4816}
4817
3b0602cd 4818static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 4819{
dd983808 4820 struct hci_conn *conn = cmd->user_data;
9981bdb0 4821 struct mgmt_rp_get_conn_info rp;
9df74653 4822 int err;
dd983808 4823
9981bdb0 4824 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 4825
9981bdb0 4826 if (status == MGMT_STATUS_SUCCESS) {
dd983808 4827 rp.rssi = conn->rssi;
9981bdb0
JH		 4828 rp.tx_power = conn->tx_power;
4829 rp.max_tx_power = conn->max_tx_power;
4830 } else {
4831 rp.rssi = HCI_RSSI_INVALID;
4832 rp.tx_power = HCI_TX_POWER_INVALID;
4833 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 4834 }
4835
2a1afb5a
JH		 4836 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4837 status, &rp, sizeof(rp));
dd983808
AK		 4838
4839 hci_conn_drop(conn);
f8aaf9b6 4840 hci_conn_put(conn);
9df74653
JH		 4841
4842 return err;
dd983808
AK		 4843}
4844
1904a853
MH		 4845static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
4846 u16 opcode)
dd983808
AK		 4847{
4848 struct hci_cp_read_rssi *cp;
3b0602cd 4849 struct mgmt_pending_cmd *cmd;
dd983808 4850 struct hci_conn *conn;
dd983808 4851 u16 handle;
9981bdb0 4852 u8 status;
dd983808 4853
9981bdb0 4854 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 4855
4856 hci_dev_lock(hdev);
4857
dd983808
AK		 4858 /* Commands sent in request are either Read RSSI or Read Transmit Power
4859 * Level so we check which one was last sent to retrieve connection
4860 * handle. Both commands have handle as first parameter so it's safe to
4861 * cast data on the same command struct.
4862 *
4863 * First command sent is always Read RSSI and we fail only if it fails.
4864 * In other case we simply override error to indicate success as we
4865 * already remembered if TX power value is actually valid.
4866 */
4867 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4868 if (!cp) {
4869 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 4870 status = MGMT_STATUS_SUCCESS;
4871 } else {
4872 status = mgmt_status(hci_status);
dd983808
AK		 4873 }
4874
4875 if (!cp) {
9981bdb0 4876 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 4877 goto unlock;
4878 }
4879
4880 handle = __le16_to_cpu(cp->handle);
4881 conn = hci_conn_hash_lookup_handle(hdev, handle);
4882 if (!conn) {
9981bdb0 4883 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 4884 goto unlock;
4885 }
4886
333ae95d 4887 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 4888 if (!cmd)
4889 goto unlock;
dd983808 4890
9981bdb0
JH		 4891 cmd->cmd_complete(cmd, status);
4892 mgmt_pending_remove(cmd);
dd983808
AK		 4893
4894unlock:
4895 hci_dev_unlock(hdev);
4896}
4897
4898static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
4899 u16 len)
4900{
4901 struct mgmt_cp_get_conn_info *cp = data;
4902 struct mgmt_rp_get_conn_info rp;
4903 struct hci_conn *conn;
4904 unsigned long conn_info_age;
4905 int err = 0;
4906
4907 BT_DBG("%s", hdev->name);
4908
4909 memset(&rp, 0, sizeof(rp));
4910 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4911 rp.addr.type = cp->addr.type;
4912
4913 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4914 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4915 MGMT_STATUS_INVALID_PARAMS,
4916 &rp, sizeof(rp));
dd983808
AK		 4917
4918 hci_dev_lock(hdev);
4919
4920 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4921 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4922 MGMT_STATUS_NOT_POWERED, &rp,
4923 sizeof(rp));
dd983808
AK		 4924 goto unlock;
4925 }
4926
4927 if (cp->addr.type == BDADDR_BREDR)
4928 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4929 &cp->addr.bdaddr);
4930 else
4931 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
4932
4933 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 4934 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4935 MGMT_STATUS_NOT_CONNECTED, &rp,
4936 sizeof(rp));
dd983808
AK		 4937 goto unlock;
4938 }
4939
333ae95d 4940 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 4941 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4942 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 4943 goto unlock;
4944 }
4945
dd983808
AK		 4946 /* To avoid client trying to guess when to poll again for information we
4947 * calculate conn info age as random value between min/max set in hdev.
4948 */
4949 conn_info_age = hdev->conn_info_min_age +
4950 prandom_u32_max(hdev->conn_info_max_age -
4951 hdev->conn_info_min_age);
4952
4953 /* Query controller to refresh cached values if they are too old or were
4954 * never read.
4955 */
f4e2dd53
AK		 4956 if (time_after(jiffies, conn->conn_info_timestamp +
4957 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 4958 !conn->conn_info_timestamp) {
4959 struct hci_request req;
4960 struct hci_cp_read_tx_power req_txp_cp;
4961 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 4962 struct mgmt_pending_cmd *cmd;
dd983808
AK		 4963
4964 hci_req_init(&req, hdev);
4965 req_rssi_cp.handle = cpu_to_le16(conn->handle);
4966 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
4967 &req_rssi_cp);
4968
f7faab0c
AK		 4969 /* For LE links TX power does not change thus we don't need to
4970 * query for it once value is known.
4971 */
4972 if (!bdaddr_type_is_le(cp->addr.type) ||
4973 conn->tx_power == HCI_TX_POWER_INVALID) {
4974 req_txp_cp.handle = cpu_to_le16(conn->handle);
4975 req_txp_cp.type = 0x00;
4976 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4977 sizeof(req_txp_cp), &req_txp_cp);
4978 }
dd983808 4979
eed5daf3
AK		 4980 /* Max TX power needs to be read only once per connection */
4981 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
4982 req_txp_cp.handle = cpu_to_le16(conn->handle);
4983 req_txp_cp.type = 0x01;
4984 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4985 sizeof(req_txp_cp), &req_txp_cp);
4986 }
4987
dd983808
AK		 4988 err = hci_req_run(&req, conn_info_refresh_complete);
4989 if (err < 0)
4990 goto unlock;
4991
4992 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
4993 data, len);
4994 if (!cmd) {
4995 err = -ENOMEM;
4996 goto unlock;
4997 }
4998
4999 hci_conn_hold(conn);
f8aaf9b6 5000 cmd->user_data = hci_conn_get(conn);
9981bdb0 5001 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 5002
5003 conn->conn_info_timestamp = jiffies;
5004 } else {
5005 /* Cache is valid, just reply with values cached in hci_conn */
5006 rp.rssi = conn->rssi;
5007 rp.tx_power = conn->tx_power;
eed5daf3 5008 rp.max_tx_power = conn->max_tx_power;
dd983808 5009
2a1afb5a
JH		 5010 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5011 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 5012 }
5013
5014unlock:
5015 hci_dev_unlock(hdev);
5016 return err;
5017}
5018
3b0602cd 5019static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 5020{
69487371 5021 struct hci_conn *conn = cmd->user_data;
95868426 5022 struct mgmt_rp_get_clock_info rp;
69487371 5023 struct hci_dev *hdev;
9df74653 5024 int err;
69487371
JH		 5025
5026 memset(&rp, 0, sizeof(rp));
56f787c5 5027 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
69487371
JH		 5028
5029 if (status)
5030 goto complete;
5031
5032 hdev = hci_dev_get(cmd->index);
5033 if (hdev) {
5034 rp.local_clock = cpu_to_le32(hdev->clock);
5035 hci_dev_put(hdev);
5036 }
5037
5038 if (conn) {
5039 rp.piconet_clock = cpu_to_le32(conn->clock);
5040 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5041 }
5042
5043complete:
2a1afb5a
JH		 5044 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5045 sizeof(rp));
69487371
JH		 5046
5047 if (conn) {
5048 hci_conn_drop(conn);
5049 hci_conn_put(conn);
5050 }
9df74653
JH		 5051
5052 return err;
69487371
JH		 5053}
5054
1904a853 5055static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 5056{
95868426 5057 struct hci_cp_read_clock *hci_cp;
3b0602cd 5058 struct mgmt_pending_cmd *cmd;
95868426
JH		 5059 struct hci_conn *conn;
5060
5061 BT_DBG("%s status %u", hdev->name, status);
5062
5063 hci_dev_lock(hdev);
5064
5065 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5066 if (!hci_cp)
5067 goto unlock;
5068
5069 if (hci_cp->which) {
5070 u16 handle = __le16_to_cpu(hci_cp->handle);
5071 conn = hci_conn_hash_lookup_handle(hdev, handle);
5072 } else {
5073 conn = NULL;
5074 }
5075
333ae95d 5076 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 5077 if (!cmd)
5078 goto unlock;
5079
69487371 5080 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 5081 mgmt_pending_remove(cmd);
95868426
JH		 5082
5083unlock:
5084 hci_dev_unlock(hdev);
5085}
5086
5087static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5088 u16 len)
5089{
5090 struct mgmt_cp_get_clock_info *cp = data;
5091 struct mgmt_rp_get_clock_info rp;
5092 struct hci_cp_read_clock hci_cp;
3b0602cd 5093 struct mgmt_pending_cmd *cmd;
95868426
JH		 5094 struct hci_request req;
5095 struct hci_conn *conn;
5096 int err;
5097
5098 BT_DBG("%s", hdev->name);
5099
5100 memset(&rp, 0, sizeof(rp));
5101 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5102 rp.addr.type = cp->addr.type;
5103
5104 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 5105 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5106 MGMT_STATUS_INVALID_PARAMS,
5107 &rp, sizeof(rp));
95868426
JH		 5108
5109 hci_dev_lock(hdev);
5110
5111 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 5112 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
5113 MGMT_STATUS_NOT_POWERED, &rp,
5114 sizeof(rp));
95868426
JH		 5115 goto unlock;
5116 }
5117
5118 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5119 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5120 &cp->addr.bdaddr);
5121 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 5122 err = mgmt_cmd_complete(sk, hdev->id,
5123 MGMT_OP_GET_CLOCK_INFO,
5124 MGMT_STATUS_NOT_CONNECTED,
5125 &rp, sizeof(rp));
95868426
JH		 5126 goto unlock;
5127 }
5128 } else {
5129 conn = NULL;
5130 }
5131
5132 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
5133 if (!cmd) {
5134 err = -ENOMEM;
5135 goto unlock;
5136 }
5137
69487371
JH		 5138 cmd->cmd_complete = clock_info_cmd_complete;
5139
95868426
JH		 5140 hci_req_init(&req, hdev);
5141
5142 memset(&hci_cp, 0, sizeof(hci_cp));
5143 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5144
5145 if (conn) {
5146 hci_conn_hold(conn);
f8aaf9b6 5147 cmd->user_data = hci_conn_get(conn);
95868426
JH		 5148
5149 hci_cp.handle = cpu_to_le16(conn->handle);
5150 hci_cp.which = 0x01; /* Piconet clock */
5151 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
5152 }
5153
5154 err = hci_req_run(&req, get_clock_info_complete);
5155 if (err < 0)
5156 mgmt_pending_remove(cmd);
5157
5158unlock:
5159 hci_dev_unlock(hdev);
5160 return err;
5161}
5162
5a154e6f
JH		 5163static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
5164{
5165 struct hci_conn *conn;
5166
5167 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
5168 if (!conn)
5169 return false;
5170
5171 if (conn->dst_type != type)
5172 return false;
5173
5174 if (conn->state != BT_CONNECTED)
5175 return false;
5176
5177 return true;
5178}
5179
5180/* This function requires the caller holds hdev->lock */
51d7a94d 5181static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
5a154e6f
JH		 5182 u8 addr_type, u8 auto_connect)
5183{
5a154e6f
JH		 5184 struct hci_conn_params *params;
5185
5186 params = hci_conn_params_add(hdev, addr, addr_type);
5187 if (!params)
5188 return -EIO;
5189
5190 if (params->auto_connect == auto_connect)
5191 return 0;
5192
5193 list_del_init(&params->action);
5194
5195 switch (auto_connect) {
5196 case HCI_AUTO_CONN_DISABLED:
5197 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 5198 /* If auto connect is being disabled when we're trying to
5199 * connect to device, keep connecting.
5200 */
5201 if (params->explicit_connect)
5202 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 5203 break;
5204 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 5205 if (params->explicit_connect)
5206 list_add(&params->action, &hdev->pend_le_conns);
5207 else
5208 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 5209 break;
5210 case HCI_AUTO_CONN_DIRECT:
5211 case HCI_AUTO_CONN_ALWAYS:
51d7a94d 5212 if (!is_connected(hdev, addr, addr_type))
5a154e6f 5213 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 5214 break;
5215 }
5216
5217 params->auto_connect = auto_connect;
5218
5219 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
5220 auto_connect);
5221
5222 return 0;
5223}
5224
8afef092
MH		 5225static void device_added(struct sock *sk, struct hci_dev *hdev,
5226 bdaddr_t *bdaddr, u8 type, u8 action)
5227{
5228 struct mgmt_ev_device_added ev;
5229
5230 bacpy(&ev.addr.bdaddr, bdaddr);
5231 ev.addr.type = type;
5232 ev.action = action;
5233
5234 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
5235}
5236
2faade53
MH		 5237static int add_device(struct sock *sk, struct hci_dev *hdev,
5238 void *data, u16 len)
5239{
5240 struct mgmt_cp_add_device *cp = data;
5241 u8 auto_conn, addr_type;
5242 int err;
5243
5244 BT_DBG("%s", hdev->name);
5245
6659358e 5246 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 5247 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 5248 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5249 MGMT_STATUS_INVALID_PARAMS,
5250 &cp->addr, sizeof(cp->addr));
2faade53 5251
4b9e7e75 5252 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 5253 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5254 MGMT_STATUS_INVALID_PARAMS,
5255 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5256
5257 hci_dev_lock(hdev);
5258
6659358e 5259 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 5260 /* Only incoming connections action is supported for now */
6659358e 5261 if (cp->action != 0x01) {
51d7a94d
JH		 5262 err = mgmt_cmd_complete(sk, hdev->id,
5263 MGMT_OP_ADD_DEVICE,
5264 MGMT_STATUS_INVALID_PARAMS,
5265 &cp->addr, sizeof(cp->addr));
6659358e
JH		 5266 goto unlock;
5267 }
5268
5269 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
5270 cp->addr.type);
5271 if (err)
5272 goto unlock;
a397407f 5273
01b1cb87 5274 hci_req_update_scan(hdev);
a397407f 5275
6659358e
JH		 5276 goto added;
5277 }
5278
85813a7e 5279 addr_type = le_addr_type(cp->addr.type);
2faade53 5280
4b9e7e75 5281 if (cp->action == 0x02)
2faade53 5282 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 5283 else if (cp->action == 0x01)
5284 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 5285 else
a3451d27 5286 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 5287
9a0a8a8e
JP		 5288 /* Kernel internally uses conn_params with resolvable private
5289 * address, but Add Device allows only identity addresses.
5290 * Make sure it is enforced before calling
5291 * hci_conn_params_lookup.
5292 */
5293 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 5294 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5295 MGMT_STATUS_INVALID_PARAMS,
5296 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 5297 goto unlock;
5298 }
5299
bf5b3c8b
MH		 5300 /* If the connection parameters don't exist for this device,
5301 * they will be created and configured with defaults.
5302 */
51d7a94d 5303 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
d06b50ce 5304 auto_conn) < 0) {
51d7a94d
JH		 5305 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5306 MGMT_STATUS_FAILED, &cp->addr,
5307 sizeof(cp->addr));
2faade53
MH		 5308 goto unlock;
5309 }
5310
51d7a94d
JH		 5311 hci_update_background_scan(hdev);
5312
6659358e 5313added:
8afef092
MH		 5314 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5315
51d7a94d
JH		 5316 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5317 MGMT_STATUS_SUCCESS, &cp->addr,
5318 sizeof(cp->addr));
2faade53
MH		 5319
5320unlock:
5321 hci_dev_unlock(hdev);
5322 return err;
5323}
5324
8afef092
MH		 5325static void device_removed(struct sock *sk, struct hci_dev *hdev,
5326 bdaddr_t *bdaddr, u8 type)
5327{
5328 struct mgmt_ev_device_removed ev;
5329
5330 bacpy(&ev.addr.bdaddr, bdaddr);
5331 ev.addr.type = type;
5332
5333 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5334}
5335
2faade53
MH		 5336static int remove_device(struct sock *sk, struct hci_dev *hdev,
5337 void *data, u16 len)
5338{
5339 struct mgmt_cp_remove_device *cp = data;
5340 int err;
5341
5342 BT_DBG("%s", hdev->name);
5343
5344 hci_dev_lock(hdev);
5345
5346 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 5347 struct hci_conn_params *params;
2faade53
MH		 5348 u8 addr_type;
5349
6659358e 5350 if (!bdaddr_type_is_valid(cp->addr.type)) {
51d7a94d
JH		 5351 err = mgmt_cmd_complete(sk, hdev->id,
5352 MGMT_OP_REMOVE_DEVICE,
5353 MGMT_STATUS_INVALID_PARAMS,
5354 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5355 goto unlock;
5356 }
5357
6659358e
JH		 5358 if (cp->addr.type == BDADDR_BREDR) {
5359 err = hci_bdaddr_list_del(&hdev->whitelist,
5360 &cp->addr.bdaddr,
5361 cp->addr.type);
5362 if (err) {
51d7a94d
JH		 5363 err = mgmt_cmd_complete(sk, hdev->id,
5364 MGMT_OP_REMOVE_DEVICE,
5365 MGMT_STATUS_INVALID_PARAMS,
5366 &cp->addr,
5367 sizeof(cp->addr));
6659358e
JH		 5368 goto unlock;
5369 }
5370
01b1cb87 5371 hci_req_update_scan(hdev);
a397407f 5372
6659358e
JH		 5373 device_removed(sk, hdev, &cp->addr.bdaddr,
5374 cp->addr.type);
5375 goto complete;
5376 }
5377
85813a7e 5378 addr_type = le_addr_type(cp->addr.type);
2faade53 5379
9a0a8a8e
JP		 5380 /* Kernel internally uses conn_params with resolvable private
5381 * address, but Remove Device allows only identity addresses.
5382 * Make sure it is enforced before calling
5383 * hci_conn_params_lookup.
5384 */
5385 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 5386 err = mgmt_cmd_complete(sk, hdev->id,
5387 MGMT_OP_REMOVE_DEVICE,
5388 MGMT_STATUS_INVALID_PARAMS,
5389 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 5390 goto unlock;
5391 }
5392
c71593dd
JH		 5393 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
5394 addr_type);
5395 if (!params) {
51d7a94d
JH		 5396 err = mgmt_cmd_complete(sk, hdev->id,
5397 MGMT_OP_REMOVE_DEVICE,
5398 MGMT_STATUS_INVALID_PARAMS,
5399 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 5400 goto unlock;
5401 }
5402
679d2b6f
JH		 5403 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
5404 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
51d7a94d
JH		 5405 err = mgmt_cmd_complete(sk, hdev->id,
5406 MGMT_OP_REMOVE_DEVICE,
5407 MGMT_STATUS_INVALID_PARAMS,
5408 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 5409 goto unlock;
5410 }
5411
d1dbf12e 5412 list_del(&params->action);
c71593dd
JH		 5413 list_del(&params->list);
5414 kfree(params);
51d7a94d 5415 hci_update_background_scan(hdev);
8afef092
MH		 5416
5417 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 5418 } else {
19de0825 5419 struct hci_conn_params *p, *tmp;
6659358e 5420 struct bdaddr_list *b, *btmp;
19de0825 5421
2faade53 5422 if (cp->addr.type) {
51d7a94d
JH		 5423 err = mgmt_cmd_complete(sk, hdev->id,
5424 MGMT_OP_REMOVE_DEVICE,
5425 MGMT_STATUS_INVALID_PARAMS,
5426 &cp->addr, sizeof(cp->addr));
2faade53
MH		 5427 goto unlock;
5428 }
5429
6659358e
JH		 5430 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
5431 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
5432 list_del(&b->list);
5433 kfree(b);
5434 }
5435
01b1cb87 5436 hci_req_update_scan(hdev);
a397407f 5437
19de0825
JH		 5438 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
5439 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
5440 continue;
5441 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 5442 if (p->explicit_connect) {
5443 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
5444 continue;
5445 }
19de0825
JH		 5446 list_del(&p->action);
5447 list_del(&p->list);
5448 kfree(p);
5449 }
5450
5451 BT_DBG("All LE connection parameters were removed");
5452
51d7a94d 5453 hci_update_background_scan(hdev);
2faade53
MH		 5454 }
5455
6659358e 5456complete:
51d7a94d
JH		 5457 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5458 MGMT_STATUS_SUCCESS, &cp->addr,
5459 sizeof(cp->addr));
2faade53
MH		 5460unlock:
5461 hci_dev_unlock(hdev);
5462 return err;
5463}
5464
a26f3dcf
JH		 5465static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
5466 u16 len)
5467{
5468 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 5469 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
5470 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 5471 u16 param_count, expected_len;
5472 int i;
5473
5474 if (!lmp_le_capable(hdev))
a69e8375
JH		 5475 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5476 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 5477
5478 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 5479 if (param_count > max_param_count) {
5480 BT_ERR("load_conn_param: too big param_count value %u",
5481 param_count);
a69e8375
JH		 5482 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5483 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5484 }
a26f3dcf
JH		 5485
5486 expected_len = sizeof(*cp) + param_count *
5487 sizeof(struct mgmt_conn_param);
5488 if (expected_len != len) {
5489 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
5490 expected_len, len);
a69e8375
JH		 5491 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
5492 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 5493 }
5494
5495 BT_DBG("%s param_count %u", hdev->name, param_count);
5496
5497 hci_dev_lock(hdev);
5498
5499 hci_conn_params_clear_disabled(hdev);
5500
5501 for (i = 0; i < param_count; i++) {
5502 struct mgmt_conn_param *param = &cp->params[i];
5503 struct hci_conn_params *hci_param;
5504 u16 min, max, latency, timeout;
5505 u8 addr_type;
5506
5507 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
5508 param->addr.type);
5509
5510 if (param->addr.type == BDADDR_LE_PUBLIC) {
5511 addr_type = ADDR_LE_DEV_PUBLIC;
5512 } else if (param->addr.type == BDADDR_LE_RANDOM) {
5513 addr_type = ADDR_LE_DEV_RANDOM;
5514 } else {
5515 BT_ERR("Ignoring invalid connection parameters");
5516 continue;
5517 }
5518
5519 min = le16_to_cpu(param->min_interval);
5520 max = le16_to_cpu(param->max_interval);
5521 latency = le16_to_cpu(param->latency);
5522 timeout = le16_to_cpu(param->timeout);
5523
5524 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
5525 min, max, latency, timeout);
5526
5527 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
5528 BT_ERR("Ignoring invalid connection parameters");
5529 continue;
5530 }
5531
5532 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
5533 addr_type);
5534 if (!hci_param) {
5535 BT_ERR("Failed to add connection parameters");
5536 continue;
5537 }
5538
5539 hci_param->conn_min_interval = min;
5540 hci_param->conn_max_interval = max;
5541 hci_param->conn_latency = latency;
5542 hci_param->supervision_timeout = timeout;
5543 }
5544
5545 hci_dev_unlock(hdev);
5546
2a1afb5a
JH		 5547 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
5548 NULL, 0);
a26f3dcf
JH		 5549}
5550
dbece37a
MH		 5551static int set_external_config(struct sock *sk, struct hci_dev *hdev,
5552 void *data, u16 len)
5553{
5554 struct mgmt_cp_set_external_config *cp = data;
5555 bool changed;
5556 int err;
5557
5558 BT_DBG("%s", hdev->name);
5559
5560 if (hdev_is_powered(hdev))
a69e8375
JH		 5561 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5562 MGMT_STATUS_REJECTED);
dbece37a
MH		 5563
5564 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 5565 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5566 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 5567
5568 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 5569 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
5570 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 5571
5572 hci_dev_lock(hdev);
5573
5574 if (cp->config)
238be788 5575 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 5576 else
a69d8927 5577 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 5578
5579 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
5580 if (err < 0)
5581 goto unlock;
5582
5583 if (!changed)
5584 goto unlock;
5585
f4537c04
MH		 5586 err = new_options(hdev, sk);
5587
d7a5a11d 5588 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 5589 mgmt_index_removed(hdev);
d603b76b 5590
516018a9 5591 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 5592 hci_dev_set_flag(hdev, HCI_CONFIG);
5593 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 5594
5595 queue_work(hdev->req_workqueue, &hdev->power_on);
5596 } else {
5ea234d3 5597 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 5598 mgmt_index_added(hdev);
5599 }
dbece37a
MH		 5600 }
5601
5602unlock:
5603 hci_dev_unlock(hdev);
5604 return err;
5605}
5606
9713c17b
MH		 5607static int set_public_address(struct sock *sk, struct hci_dev *hdev,
5608 void *data, u16 len)
5609{
5610 struct mgmt_cp_set_public_address *cp = data;
5611 bool changed;
5612 int err;
5613
5614 BT_DBG("%s", hdev->name);
5615
5616 if (hdev_is_powered(hdev))
a69e8375
JH		 5617 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5618 MGMT_STATUS_REJECTED);
9713c17b
MH		 5619
5620 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 5621 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5622 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 5623
5624 if (!hdev->set_bdaddr)
a69e8375
JH		 5625 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
5626 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 5627
5628 hci_dev_lock(hdev);
5629
5630 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
5631 bacpy(&hdev->public_addr, &cp->bdaddr);
5632
5633 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
5634 if (err < 0)
5635 goto unlock;
5636
5637 if (!changed)
5638 goto unlock;
5639
d7a5a11d 5640 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 5641 err = new_options(hdev, sk);
5642
5643 if (is_configured(hdev)) {
5644 mgmt_index_removed(hdev);
5645
a358dc11 5646 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 5647
a1536da2
MH		 5648 hci_dev_set_flag(hdev, HCI_CONFIG);
5649 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 5650
5651 queue_work(hdev->req_workqueue, &hdev->power_on);
5652 }
5653
5654unlock:
5655 hci_dev_unlock(hdev);
5656 return err;
5657}
5658
40f66c05
JH		 5659static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
5660 u16 opcode, struct sk_buff *skb)
5661{
5662 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
5663 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
5664 u8 *h192, *r192, *h256, *r256;
5665 struct mgmt_pending_cmd *cmd;
5666 u16 eir_len;
5667 int err;
5668
5669 BT_DBG("%s status %u", hdev->name, status);
5670
5671 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
5672 if (!cmd)
5673 return;
5674
5675 mgmt_cp = cmd->param;
5676
5677 if (status) {
5678 status = mgmt_status(status);
5679 eir_len = 0;
5680
5681 h192 = NULL;
5682 r192 = NULL;
5683 h256 = NULL;
5684 r256 = NULL;
5685 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
5686 struct hci_rp_read_local_oob_data *rp;
5687
5688 if (skb->len != sizeof(*rp)) {
5689 status = MGMT_STATUS_FAILED;
5690 eir_len = 0;
5691 } else {
5692 status = MGMT_STATUS_SUCCESS;
5693 rp = (void *)skb->data;
5694
5695 eir_len = 5 + 18 + 18;
5696 h192 = rp->hash;
5697 r192 = rp->rand;
5698 h256 = NULL;
5699 r256 = NULL;
5700 }
5701 } else {
5702 struct hci_rp_read_local_oob_ext_data *rp;
5703
5704 if (skb->len != sizeof(*rp)) {
5705 status = MGMT_STATUS_FAILED;
5706 eir_len = 0;
5707 } else {
5708 status = MGMT_STATUS_SUCCESS;
5709 rp = (void *)skb->data;
5710
5711 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
5712 eir_len = 5 + 18 + 18;
5713 h192 = NULL;
5714 r192 = NULL;
5715 } else {
5716 eir_len = 5 + 18 + 18 + 18 + 18;
5717 h192 = rp->hash192;
5718 r192 = rp->rand192;
5719 }
5720
5721 h256 = rp->hash256;
5722 r256 = rp->rand256;
5723 }
5724 }
5725
5726 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
5727 if (!mgmt_rp)
5728 goto done;
5729
5730 if (status)
5731 goto send_rsp;
5732
5733 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
5734 hdev->dev_class, 3);
5735
5736 if (h192 && r192) {
5737 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5738 EIR_SSP_HASH_C192, h192, 16);
5739 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5740 EIR_SSP_RAND_R192, r192, 16);
5741 }
5742
5743 if (h256 && r256) {
5744 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5745 EIR_SSP_HASH_C256, h256, 16);
5746 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
5747 EIR_SSP_RAND_R256, r256, 16);
5748 }
5749
5750send_rsp:
5751 mgmt_rp->type = mgmt_cp->type;
5752 mgmt_rp->eir_len = cpu_to_le16(eir_len);
5753
5754 err = mgmt_cmd_complete(cmd->sk, hdev->id,
5755 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
5756 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
5757 if (err < 0 || status)
5758 goto done;
5759
5760 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
5761
5762 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
5763 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
5764 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
5765done:
5766 kfree(mgmt_rp);
5767 mgmt_pending_remove(cmd);
5768}
5769
5770static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
5771 struct mgmt_cp_read_local_oob_ext_data *cp)
5772{
5773 struct mgmt_pending_cmd *cmd;
5774 struct hci_request req;
5775 int err;
5776
5777 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
5778 cp, sizeof(*cp));
5779 if (!cmd)
5780 return -ENOMEM;
5781
5782 hci_req_init(&req, hdev);
5783
5784 if (bredr_sc_enabled(hdev))
5785 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
5786 else
5787 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
5788
5789 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
5790 if (err < 0) {
5791 mgmt_pending_remove(cmd);
5792 return err;
5793 }
5794
5795 return 0;
5796}
5797
4f0f155c
MH		 5798static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
5799 void *data, u16 data_len)
5800{
5801 struct mgmt_cp_read_local_oob_ext_data *cp = data;
5802 struct mgmt_rp_read_local_oob_ext_data *rp;
5803 size_t rp_len;
5804 u16 eir_len;
0821a2c5 5805 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 5806 int err;
5807
5808 BT_DBG("%s", hdev->name);
5809
57b0d3e8
MH		 5810 if (hdev_is_powered(hdev)) {
5811 switch (cp->type) {
5812 case BIT(BDADDR_BREDR):
5813 status = mgmt_bredr_support(hdev);
5814 if (status)
5815 eir_len = 0;
5816 else
5817 eir_len = 5;
5818 break;
5819 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5820 status = mgmt_le_support(hdev);
5821 if (status)
5822 eir_len = 0;
5823 else
5824 eir_len = 9 + 3 + 18 + 18 + 3;
5825 break;
5826 default:
5827 status = MGMT_STATUS_INVALID_PARAMS;
5828 eir_len = 0;
5829 break;
5830 }
5831 } else {
5832 status = MGMT_STATUS_NOT_POWERED;
5833 eir_len = 0;
4f0f155c
MH		 5834 }
5835
4f0f155c
MH		 5836 rp_len = sizeof(*rp) + eir_len;
5837 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 5838 if (!rp)
4f0f155c 5839 return -ENOMEM;
efcd8c98 5840
57b0d3e8
MH		 5841 if (status)
5842 goto complete;
5843
efcd8c98 5844 hci_dev_lock(hdev);
4f0f155c
MH		 5845
5846 eir_len = 0;
5847 switch (cp->type) {
5848 case BIT(BDADDR_BREDR):
40f66c05
JH		 5849 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
5850 err = read_local_ssp_oob_req(hdev, sk, cp);
5851 hci_dev_unlock(hdev);
5852 if (!err)
5853 goto done;
5854
5855 status = MGMT_STATUS_FAILED;
5856 goto complete;
5857 } else {
5858 eir_len = eir_append_data(rp->eir, eir_len,
5859 EIR_CLASS_OF_DEV,
5860 hdev->dev_class, 3);
5861 }
4f0f155c
MH		 5862 break;
5863 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 5864 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5865 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 5866 hci_dev_unlock(hdev);
57b0d3e8
MH		 5867 status = MGMT_STATUS_FAILED;
5868 goto complete;
0821a2c5
MH		 5869 }
5870
e213568a
MH		 5871 /* This should return the active RPA, but since the RPA
5872 * is only programmed on demand, it is really hard to fill
5873 * this in at the moment. For now disallow retrieving
5874 * local out-of-band data when privacy is in use.
5875 *
5876 * Returning the identity address will not help here since
5877 * pairing happens before the identity resolving key is
5878 * known and thus the connection establishment happens
5879 * based on the RPA and not the identity address.
5880 */
4f0f155c 5881 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 5882 hci_dev_unlock(hdev);
5883 status = MGMT_STATUS_REJECTED;
5884 goto complete;
5885 }
5886
5887 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
5888 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
5889 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
5890 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 5891 memcpy(addr, &hdev->static_addr, 6);
5892 addr[6] = 0x01;
5893 } else {
5894 memcpy(addr, &hdev->bdaddr, 6);
5895 addr[6] = 0x00;
5896 }
5897
5898 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
5899 addr, sizeof(addr));
5900
5901 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
5902 role = 0x02;
5903 else
5904 role = 0x01;
5905
5906 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
5907 &role, sizeof(role));
5908
5082a599
MH		 5909 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
5910 eir_len = eir_append_data(rp->eir, eir_len,
5911 EIR_LE_SC_CONFIRM,
5912 hash, sizeof(hash));
0821a2c5 5913
5082a599
MH		 5914 eir_len = eir_append_data(rp->eir, eir_len,
5915 EIR_LE_SC_RANDOM,
5916 rand, sizeof(rand));
5917 }
0821a2c5 5918
f2252570 5919 flags = mgmt_get_adv_discov_flags(hdev);
4f0f155c
MH		 5920
5921 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
5922 flags |= LE_AD_NO_BREDR;
5923
5924 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
5925 &flags, sizeof(flags));
5926 break;
5927 }
5928
4f0f155c
MH		 5929 hci_dev_unlock(hdev);
5930
72000df2
MH		 5931 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
5932
57b0d3e8
MH		 5933 status = MGMT_STATUS_SUCCESS;
5934
5935complete:
efcd8c98
MH		 5936 rp->type = cp->type;
5937 rp->eir_len = cpu_to_le16(eir_len);
5938
4f0f155c 5939 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 5940 status, rp, sizeof(*rp) + eir_len);
5941 if (err < 0 || status)
72000df2
MH		 5942 goto done;
5943
5944 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
5945 rp, sizeof(*rp) + eir_len,
5946 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 5947
0821a2c5 5948done:
4f0f155c
MH		 5949 kfree(rp);
5950
5951 return err;
5952}
5953
089fa8c0
AU		 5954static u32 get_supported_adv_flags(struct hci_dev *hdev)
5955{
5956 u32 flags = 0;
5957
5958 flags |= MGMT_ADV_FLAG_CONNECTABLE;
5959 flags |= MGMT_ADV_FLAG_DISCOV;
5960 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
5961 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
c4960ecf 5962 flags |= MGMT_ADV_FLAG_APPEARANCE;
7c295c48 5963 flags |= MGMT_ADV_FLAG_LOCAL_NAME;
089fa8c0
AU		 5964
5965 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
5966 flags |= MGMT_ADV_FLAG_TX_POWER;
5967
5968 return flags;
5969}
5970
d3d5305b
MH		 5971static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
5972 void *data, u16 data_len)
5973{
5974 struct mgmt_rp_read_adv_features *rp;
5975 size_t rp_len;
02c04afe 5976 int err;
286e0c83 5977 struct adv_info *adv_instance;
089fa8c0 5978 u32 supported_flags;
02c04afe 5979 u8 *instance;
d3d5305b
MH		 5980
5981 BT_DBG("%s", hdev->name);
5982
089fa8c0
AU		 5983 if (!lmp_le_capable(hdev))
5984 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
5985 MGMT_STATUS_REJECTED);
5986
d3d5305b
MH		 5987 hci_dev_lock(hdev);
5988
02c04afe 5989 rp_len = sizeof(*rp) + hdev->adv_instance_cnt;
d3d5305b
MH		 5990 rp = kmalloc(rp_len, GFP_ATOMIC);
5991 if (!rp) {
5992 hci_dev_unlock(hdev);
5993 return -ENOMEM;
5994 }
5995
089fa8c0
AU		 5996 supported_flags = get_supported_adv_flags(hdev);
5997
5998 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 5999 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
6000 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 6001 rp->max_instances = HCI_MAX_ADV_INSTANCES;
02c04afe 6002 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f 6003
02c04afe
JH		 6004 instance = rp->instance;
6005 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
6006 *instance = adv_instance->instance;
6007 instance++;
24b4f38f 6008 }
d3d5305b
MH		 6009
6010 hci_dev_unlock(hdev);
6011
6012 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6013 MGMT_STATUS_SUCCESS, rp, rp_len);
6014
6015 kfree(rp);
6016
6017 return err;
6018}
6019
2bb36870 6020static u8 tlv_data_max_len(u32 adv_flags, bool is_adv_data)
24b4f38f 6021{
4117ed70 6022 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 6023
31a3248d
MH		 6024 if (is_adv_data) {
6025 if (adv_flags & (MGMT_ADV_FLAG_DISCOV |
6026 MGMT_ADV_FLAG_LIMITED_DISCOV |
2bb36870 6027 MGMT_ADV_FLAG_MANAGED_FLAGS))
31a3248d 6028 max_len -= 3;
24b4f38f 6029
2bb36870 6030 if (adv_flags & MGMT_ADV_FLAG_TX_POWER)
31a3248d 6031 max_len -= 3;
7c295c48
MN		 6032 } else {
6033 /* at least 1 byte of name should fit in */
6034 if (adv_flags & MGMT_ADV_FLAG_LOCAL_NAME)
6035 max_len -= 3;
c4960ecf 6036
2bb36870 6037 if (adv_flags & (MGMT_ADV_FLAG_APPEARANCE))
c4960ecf 6038 max_len -= 4;
5507e358
AU		 6039 }
6040
2bb36870
SJ		 6041 return max_len;
6042}
6043
6044static bool flags_managed(u32 adv_flags)
6045{
6046 return adv_flags & (MGMT_ADV_FLAG_DISCOV |
6047 MGMT_ADV_FLAG_LIMITED_DISCOV |
6048 MGMT_ADV_FLAG_MANAGED_FLAGS);
6049}
6050
6051static bool tx_power_managed(u32 adv_flags)
6052{
6053 return adv_flags & MGMT_ADV_FLAG_TX_POWER;
6054}
6055
6056static bool name_managed(u32 adv_flags)
6057{
6058 return adv_flags & MGMT_ADV_FLAG_LOCAL_NAME;
6059}
6060
6061static bool appearance_managed(u32 adv_flags)
6062{
6063 return adv_flags & MGMT_ADV_FLAG_APPEARANCE;
6064}
6065
6066static bool tlv_data_is_valid(u32 adv_flags, u8 *data, u8 len, bool is_adv_data)
6067{
6068 int i, cur_len;
6069 u8 max_len;
6070
6071 max_len = tlv_data_max_len(adv_flags, is_adv_data);
6072
4117ed70 6073 if (len > max_len)
24b4f38f
AU		 6074 return false;
6075
4117ed70
AU		 6076 /* Make sure that the data is correctly formatted. */
6077 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
6078 cur_len = data[i];
24b4f38f 6079
9c9db78d
SJ		 6080 if (data[i + 1] == EIR_FLAGS &&
6081 (!is_adv_data || flags_managed(adv_flags)))
2bb36870
SJ		 6082 return false;
6083
6084 if (data[i + 1] == EIR_TX_POWER && tx_power_managed(adv_flags))
6085 return false;
6086
6087 if (data[i + 1] == EIR_NAME_COMPLETE && name_managed(adv_flags))
6088 return false;
6089
6090 if (data[i + 1] == EIR_NAME_SHORT && name_managed(adv_flags))
b44133ff
AU		 6091 return false;
6092
2bb36870
SJ		 6093 if (data[i + 1] == EIR_APPEARANCE &&
6094 appearance_managed(adv_flags))
5507e358
AU		 6095 return false;
6096
24b4f38f
AU		 6097 /* If the current field length would exceed the total data
6098 * length, then it's invalid.
6099 */
4117ed70 6100 if (i + cur_len >= len)
24b4f38f
AU		 6101 return false;
6102 }
6103
6104 return true;
6105}
6106
24b4f38f
AU		 6107static void add_advertising_complete(struct hci_dev *hdev, u8 status,
6108 u16 opcode)
6109{
6110 struct mgmt_pending_cmd *cmd;
fffd38bc 6111 struct mgmt_cp_add_advertising *cp;
24b4f38f 6112 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 6113 struct adv_info *adv_instance, *n;
6114 u8 instance;
24b4f38f
AU		 6115
6116 BT_DBG("status %d", status);
6117
6118 hci_dev_lock(hdev);
6119
6120 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
6121
fffd38bc
FG		 6122 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
6123 if (!adv_instance->pending)
6124 continue;
6125
6126 if (!status) {
6127 adv_instance->pending = false;
6128 continue;
6129 }
6130
6131 instance = adv_instance->instance;
6132
6133 if (hdev->cur_adv_instance == instance)
6134 cancel_adv_timeout(hdev);
6135
6136 hci_remove_adv_instance(hdev, instance);
f2252570 6137 mgmt_advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 6138 }
6139
6140 if (!cmd)
6141 goto unlock;
6142
fffd38bc
FG		 6143 cp = cmd->param;
6144 rp.instance = cp->instance;
24b4f38f
AU		 6145
6146 if (status)
6147 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
6148 mgmt_status(status));
6149 else
6150 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
6151 mgmt_status(status), &rp, sizeof(rp));
6152
6153 mgmt_pending_remove(cmd);
6154
6155unlock:
6156 hci_dev_unlock(hdev);
6157}
6158
6159static int add_advertising(struct sock *sk, struct hci_dev *hdev,
6160 void *data, u16 data_len)
6161{
6162 struct mgmt_cp_add_advertising *cp = data;
6163 struct mgmt_rp_add_advertising rp;
6164 u32 flags;
089fa8c0 6165 u32 supported_flags;
24b4f38f 6166 u8 status;
fffd38bc
FG		 6167 u16 timeout, duration;
6168 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
6169 u8 schedule_instance = 0;
6170 struct adv_info *next_instance;
24b4f38f
AU		 6171 int err;
6172 struct mgmt_pending_cmd *cmd;
6173 struct hci_request req;
6174
6175 BT_DBG("%s", hdev->name);
6176
6177 status = mgmt_le_support(hdev);
6178 if (status)
6179 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6180 status);
6181
ceff86af 6182 if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
6a0e7807
JH		 6183 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6184 MGMT_STATUS_INVALID_PARAMS);
6185
6186 if (data_len != sizeof(*cp) + cp->adv_data_len + cp->scan_rsp_len)
ceff86af
MH		 6187 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6188 MGMT_STATUS_INVALID_PARAMS);
6189
24b4f38f 6190 flags = __le32_to_cpu(cp->flags);
912098a6 6191 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 6192 duration = __le16_to_cpu(cp->duration);
24b4f38f 6193
fffd38bc
FG		 6194 /* The current implementation only supports a subset of the specified
6195 * flags.
089fa8c0
AU		 6196 */
6197 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 6198 if (flags & ~supported_flags)
24b4f38f
AU		 6199 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6200 MGMT_STATUS_INVALID_PARAMS);
6201
6202 hci_dev_lock(hdev);
6203
912098a6
AU		 6204 if (timeout && !hdev_is_powered(hdev)) {
6205 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6206 MGMT_STATUS_REJECTED);
6207 goto unlock;
6208 }
6209
24b4f38f 6210 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 6211 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 6212 pending_find(MGMT_OP_SET_LE, hdev)) {
6213 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6214 MGMT_STATUS_BUSY);
6215 goto unlock;
6216 }
6217
5e2c59e8
SJ		 6218 if (!tlv_data_is_valid(flags, cp->data, cp->adv_data_len, true) ||
6219 !tlv_data_is_valid(flags, cp->data + cp->adv_data_len,
b44133ff 6220 cp->scan_rsp_len, false)) {
24b4f38f
AU		 6221 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6222 MGMT_STATUS_INVALID_PARAMS);
6223 goto unlock;
6224 }
6225
fffd38bc
FG		 6226 err = hci_add_adv_instance(hdev, cp->instance, flags,
6227 cp->adv_data_len, cp->data,
6228 cp->scan_rsp_len,
6229 cp->data + cp->adv_data_len,
6230 timeout, duration);
6231 if (err < 0) {
6232 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6233 MGMT_STATUS_FAILED);
6234 goto unlock;
6235 }
24b4f38f 6236
fffd38bc
FG		 6237 /* Only trigger an advertising added event if a new instance was
6238 * actually added.
6239 */
6240 if (hdev->adv_instance_cnt > prev_instance_cnt)
f2252570 6241 mgmt_advertising_added(sk, hdev, cp->instance);
912098a6 6242
fffd38bc
FG		 6243 if (hdev->cur_adv_instance == cp->instance) {
6244 /* If the currently advertised instance is being changed then
6245 * cancel the current advertising and schedule the next
6246 * instance. If there is only one instance then the overridden
6247 * advertising data will be visible right away.
6248 */
6249 cancel_adv_timeout(hdev);
912098a6 6250
fffd38bc
FG		 6251 next_instance = hci_get_next_instance(hdev, cp->instance);
6252 if (next_instance)
6253 schedule_instance = next_instance->instance;
6254 } else if (!hdev->adv_instance_timeout) {
6255 /* Immediately advertise the new instance if no other
6256 * instance is currently being advertised.
6257 */
6258 schedule_instance = cp->instance;
6259 }
24b4f38f 6260
fffd38bc
FG		 6261 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
6262 * there is no instance to be advertised then we have no HCI
6263 * communication to make. Simply return.
24b4f38f
AU		 6264 */
6265 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 6266 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
6267 !schedule_instance) {
6268 rp.instance = cp->instance;
24b4f38f
AU		 6269 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
6270 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6271 goto unlock;
6272 }
6273
6274 /* We're good to go, update advertising data, parameters, and start
6275 * advertising.
6276 */
6277 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
6278 data_len);
6279 if (!cmd) {
6280 err = -ENOMEM;
6281 goto unlock;
6282 }
6283
6284 hci_req_init(&req, hdev);
6285
f2252570 6286 err = __hci_req_schedule_adv_instance(&req, schedule_instance, true);
fffd38bc
FG		 6287
6288 if (!err)
6289 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 6290
24b4f38f
AU		 6291 if (err < 0)
6292 mgmt_pending_remove(cmd);
6293
6294unlock:
6295 hci_dev_unlock(hdev);
6296
6297 return err;
6298}
6299
da929335
AU		 6300static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
6301 u16 opcode)
6302{
6303 struct mgmt_pending_cmd *cmd;
01948331 6304 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 6305 struct mgmt_rp_remove_advertising rp;
6306
6307 BT_DBG("status %d", status);
6308
6309 hci_dev_lock(hdev);
6310
6311 /* A failure status here only means that we failed to disable
6312 * advertising. Otherwise, the advertising instance has been removed,
6313 * so report success.
6314 */
6315 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
6316 if (!cmd)
6317 goto unlock;
6318
01948331
FG		 6319 cp = cmd->param;
6320 rp.instance = cp->instance;
da929335
AU		 6321
6322 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
6323 &rp, sizeof(rp));
6324 mgmt_pending_remove(cmd);
6325
6326unlock:
6327 hci_dev_unlock(hdev);
6328}
6329
6330static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
6331 void *data, u16 data_len)
6332{
6333 struct mgmt_cp_remove_advertising *cp = data;
6334 struct mgmt_rp_remove_advertising rp;
da929335
AU		 6335 struct mgmt_pending_cmd *cmd;
6336 struct hci_request req;
952497b1 6337 int err;
da929335
AU		 6338
6339 BT_DBG("%s", hdev->name);
6340
da929335
AU		 6341 hci_dev_lock(hdev);
6342
952497b1 6343 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 6344 err = mgmt_cmd_status(sk, hdev->id,
6345 MGMT_OP_REMOVE_ADVERTISING,
6346 MGMT_STATUS_INVALID_PARAMS);
6347 goto unlock;
6348 }
6349
da929335
AU		 6350 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
6351 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
6352 pending_find(MGMT_OP_SET_LE, hdev)) {
6353 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
6354 MGMT_STATUS_BUSY);
6355 goto unlock;
6356 }
6357
17fd08ff 6358 if (list_empty(&hdev->adv_instances)) {
da929335
AU		 6359 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
6360 MGMT_STATUS_INVALID_PARAMS);
6361 goto unlock;
6362 }
6363
01948331 6364 hci_req_init(&req, hdev);
da929335 6365
37d3a1fa 6366 hci_req_clear_adv_instance(hdev, sk, &req, cp->instance, true);
da929335 6367
01948331 6368 if (list_empty(&hdev->adv_instances))
f2252570 6369 __hci_req_disable_advertising(&req);
da929335 6370
01948331
FG		 6371 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
6372 * flag is set or the device isn't powered then we have no HCI
6373 * communication to make. Simply return.
da929335 6374 */
01948331
FG		 6375 if (skb_queue_empty(&req.cmd_q) ||
6376 !hdev_is_powered(hdev) ||
da929335 6377 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 6378 rp.instance = cp->instance;
da929335
AU		 6379 err = mgmt_cmd_complete(sk, hdev->id,
6380 MGMT_OP_REMOVE_ADVERTISING,
6381 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6382 goto unlock;
6383 }
6384
6385 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
6386 data_len);
6387 if (!cmd) {
6388 err = -ENOMEM;
6389 goto unlock;
6390 }
6391
da929335
AU		 6392 err = hci_req_run(&req, remove_advertising_complete);
6393 if (err < 0)
6394 mgmt_pending_remove(cmd);
6395
6396unlock:
6397 hci_dev_unlock(hdev);
6398
6399 return err;
6400}
6401
40b25fe5
MH		 6402static int get_adv_size_info(struct sock *sk, struct hci_dev *hdev,
6403 void *data, u16 data_len)
6404{
6405 struct mgmt_cp_get_adv_size_info *cp = data;
6406 struct mgmt_rp_get_adv_size_info rp;
6407 u32 flags, supported_flags;
6408 int err;
6409
6410 BT_DBG("%s", hdev->name);
6411
6412 if (!lmp_le_capable(hdev))
6413 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6414 MGMT_STATUS_REJECTED);
6415
6416 if (cp->instance < 1 || cp->instance > HCI_MAX_ADV_INSTANCES)
6417 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6418 MGMT_STATUS_INVALID_PARAMS);
6419
6420 flags = __le32_to_cpu(cp->flags);
6421
6422 /* The current implementation only supports a subset of the specified
6423 * flags.
6424 */
6425 supported_flags = get_supported_adv_flags(hdev);
6426 if (flags & ~supported_flags)
6427 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6428 MGMT_STATUS_INVALID_PARAMS);
6429
6430 rp.instance = cp->instance;
6431 rp.flags = cp->flags;
6432 rp.max_adv_data_len = tlv_data_max_len(flags, true);
6433 rp.max_scan_rsp_len = tlv_data_max_len(flags, false);
6434
6435 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
6436 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
6437
6438 return err;
6439}
6440
6d785aa3 6441static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 6442 { NULL }, /* 0x0000 (no command) */
b9a245fb 6443 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 6444 HCI_MGMT_NO_HDEV |
6445 HCI_MGMT_UNTRUSTED },
b9a245fb 6446 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 6447 HCI_MGMT_NO_HDEV |
6448 HCI_MGMT_UNTRUSTED },
b9a245fb 6449 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 6450 HCI_MGMT_NO_HDEV |
6451 HCI_MGMT_UNTRUSTED },
6452 { read_controller_info, MGMT_READ_INFO_SIZE,
6453 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 6454 { set_powered, MGMT_SETTING_SIZE },
6455 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
6456 { set_connectable, MGMT_SETTING_SIZE },
6457 { set_fast_connectable, MGMT_SETTING_SIZE },
6458 { set_bondable, MGMT_SETTING_SIZE },
6459 { set_link_security, MGMT_SETTING_SIZE },
6460 { set_ssp, MGMT_SETTING_SIZE },
6461 { set_hs, MGMT_SETTING_SIZE },
6462 { set_le, MGMT_SETTING_SIZE },
6463 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
6464 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
6465 { add_uuid, MGMT_ADD_UUID_SIZE },
6466 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 6467 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
6468 HCI_MGMT_VAR_LEN },
6469 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
6470 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6471 { disconnect, MGMT_DISCONNECT_SIZE },
6472 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
6473 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
6474 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
6475 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
6476 { pair_device, MGMT_PAIR_DEVICE_SIZE },
6477 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
6478 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
6479 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
6480 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
6481 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
6482 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 6483 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
6484 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
6485 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6486 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
6487 { start_discovery, MGMT_START_DISCOVERY_SIZE },
6488 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
6489 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
6490 { block_device, MGMT_BLOCK_DEVICE_SIZE },
6491 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
6492 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
6493 { set_advertising, MGMT_SETTING_SIZE },
6494 { set_bredr, MGMT_SETTING_SIZE },
6495 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
6496 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
6497 { set_secure_conn, MGMT_SETTING_SIZE },
6498 { set_debug_keys, MGMT_SETTING_SIZE },
6499 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 6500 { load_irks, MGMT_LOAD_IRKS_SIZE,
6501 HCI_MGMT_VAR_LEN },
7aea8616
MH		 6502 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
6503 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
6504 { add_device, MGMT_ADD_DEVICE_SIZE },
6505 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 6506 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
6507 HCI_MGMT_VAR_LEN },
6508 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 6509 HCI_MGMT_NO_HDEV |
6510 HCI_MGMT_UNTRUSTED },
b9a245fb 6511 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 6512 HCI_MGMT_UNCONFIGURED |
6513 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 6514 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
6515 HCI_MGMT_UNCONFIGURED },
6516 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
6517 HCI_MGMT_UNCONFIGURED },
6518 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
6519 HCI_MGMT_VAR_LEN },
4f0f155c 6520 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 6521 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 6522 HCI_MGMT_NO_HDEV |
6523 HCI_MGMT_UNTRUSTED },
d3d5305b 6524 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 6525 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
6526 HCI_MGMT_VAR_LEN },
da929335 6527 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
40b25fe5 6528 { get_adv_size_info, MGMT_GET_ADV_SIZE_INFO_SIZE },
78b781ca 6529 { start_limited_discovery, MGMT_START_DISCOVERY_SIZE },
321c6fee
MH		 6530 { read_ext_controller_info,MGMT_READ_EXT_INFO_SIZE,
6531 HCI_MGMT_UNTRUSTED },
c4960ecf 6532 { set_appearance, MGMT_SET_APPEARANCE_SIZE },
0f4e68cf
JH		 6533};
6534
bf6b56db 6535void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 6536{
ced85549 6537 struct mgmt_ev_ext_index ev;
bb4b2a9a 6538
0602a8ad
MH		 6539 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
6540 return;
6541
f9207338 6542 switch (hdev->dev_type) {
ca8bee5d 6543 case HCI_PRIMARY:
f9207338
MH		 6544 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
6545 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
6546 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 6547 ev.type = 0x01;
f9207338
MH		 6548 } else {
6549 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
6550 HCI_MGMT_INDEX_EVENTS);
ced85549 6551 ev.type = 0x00;
f9207338
MH		 6552 }
6553 break;
ced85549
MH		 6554 case HCI_AMP:
6555 ev.type = 0x02;
6556 break;
6557 default:
6558 return;
f9207338 6559 }
ced85549
MH		 6560
6561 ev.bus = hdev->bus;
6562
6563 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
6564 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 6565}
6566
bf6b56db 6567void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 6568{
ced85549 6569 struct mgmt_ev_ext_index ev;
5f159032 6570 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 6571
0602a8ad
MH		 6572 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
6573 return;
6574
f9207338 6575 switch (hdev->dev_type) {
ca8bee5d 6576 case HCI_PRIMARY:
f9207338 6577 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 6578
f9207338
MH		 6579 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
6580 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
6581 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 6582 ev.type = 0x01;
f9207338
MH		 6583 } else {
6584 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
6585 HCI_MGMT_INDEX_EVENTS);
ced85549 6586 ev.type = 0x00;
f9207338
MH		 6587 }
6588 break;
ced85549
MH		 6589 case HCI_AMP:
6590 ev.type = 0x02;
6591 break;
6592 default:
6593 return;
f9207338 6594 }
ced85549
MH		 6595
6596 ev.bus = hdev->bus;
6597
6598 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
6599 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 6600}
6601
6046dc3e 6602/* This function requires the caller holds hdev->lock */
af02dd44 6603static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 6604{
6605 struct hci_conn_params *p;
6606
6607 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 6608 /* Needed for AUTO_OFF case where might not "really"
6609 * have been powered off.
6610 */
6611 list_del_init(&p->action);
6612
6613 switch (p->auto_connect) {
4b9e7e75 6614 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 6615 case HCI_AUTO_CONN_ALWAYS:
6616 list_add(&p->action, &hdev->pend_le_conns);
6617 break;
6618 case HCI_AUTO_CONN_REPORT:
6619 list_add(&p->action, &hdev->pend_le_reports);
6620 break;
6621 default:
6622 break;
c83ed19d 6623 }
6046dc3e
AG		 6624 }
6625}
6626
2ff13894 6627void mgmt_power_on(struct hci_dev *hdev, int err)
229ab39c
JH		 6628{
6629 struct cmd_lookup match = { NULL, hdev };
6630
2ff13894 6631 BT_DBG("err %d", err);
229ab39c 6632
2ff13894
JH		 6633 hci_dev_lock(hdev);
6634
6635 if (!err) {
af02dd44
JH		 6636 restart_le_actions(hdev);
6637 hci_update_background_scan(hdev);
162a3bac
MH		 6638 }
6639
229ab39c
JH		 6640 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
6641
6642 new_settings(hdev, match.sk);
6643
229ab39c
JH		 6644 if (match.sk)
6645 sock_put(match.sk);
229ab39c 6646
2ff13894 6647 hci_dev_unlock(hdev);
70da6243 6648}
562fcc24 6649
2ff13894 6650void __mgmt_power_off(struct hci_dev *hdev)
70da6243
JH		 6651{
6652 struct cmd_lookup match = { NULL, hdev };
9845904f 6653 u8 status, zero_cod[] = { 0, 0, 0 };
b24752fe 6654
229ab39c 6655 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 6656
6657 /* If the power off is because of hdev unregistration let
6658 * use the appropriate INVALID_INDEX status. Otherwise use
6659 * NOT_POWERED. We cover both scenarios here since later in
6660 * mgmt_index_removed() any hci_conn callbacks will have already
6661 * been triggered, potentially causing misleading DISCONNECTED
6662 * status responses.
6663 */
d7a5a11d 6664 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 6665 status = MGMT_STATUS_INVALID_INDEX;
6666 else
6667 status = MGMT_STATUS_NOT_POWERED;
6668
6669 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c 6670
321c6fee 6671 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) {
5504c3a3
MH		 6672 mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
6673 zero_cod, sizeof(zero_cod),
6674 HCI_MGMT_DEV_CLASS_EVENTS, NULL);
321c6fee
MH		 6675 ext_info_changed(hdev, NULL);
6676 }
229ab39c 6677
2ff13894 6678 new_settings(hdev, match.sk);
eec8d2bc
JH		 6679
6680 if (match.sk)
6681 sock_put(match.sk);
5add6af8 6682}
73f22f62 6683
3eec705e 6684void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 6685{
3b0602cd 6686 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 6687 u8 status;
6688
333ae95d 6689 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 6690 if (!cmd)
3eec705e 6691 return;
96570ffc
JH		 6692
6693 if (err == -ERFKILL)
6694 status = MGMT_STATUS_RFKILLED;
6695 else
6696 status = MGMT_STATUS_FAILED;
6697
a69e8375 6698 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 6699
6700 mgmt_pending_remove(cmd);
96570ffc
JH		 6701}
6702
dc4a5ee2
MH		 6703void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
6704 bool persistent)
55ed8ca1 6705{
86742e1e 6706 struct mgmt_ev_new_link_key ev;
55ed8ca1 6707
a492cd52 6708 memset(&ev, 0, sizeof(ev));
55ed8ca1 6709
a492cd52 6710 ev.store_hint = persistent;
d753fdc4 6711 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 6712 ev.key.addr.type = BDADDR_BREDR;
a492cd52 6713 ev.key.type = key->type;
9b3b4460 6714 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 6715 ev.key.pin_len = key->pin_len;
55ed8ca1 6716
dc4a5ee2 6717 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 6718}
f7520543 6719
d7b25450
JH		 6720static u8 mgmt_ltk_type(struct smp_ltk *ltk)
6721{
23fb8de3
JH		 6722 switch (ltk->type) {
6723 case SMP_LTK:
6724 case SMP_LTK_SLAVE:
6725 if (ltk->authenticated)
6726 return MGMT_LTK_AUTHENTICATED;
6727 return MGMT_LTK_UNAUTHENTICATED;
6728 case SMP_LTK_P256:
6729 if (ltk->authenticated)
6730 return MGMT_LTK_P256_AUTH;
6731 return MGMT_LTK_P256_UNAUTH;
6732 case SMP_LTK_P256_DEBUG:
6733 return MGMT_LTK_P256_DEBUG;
6734 }
d7b25450
JH		 6735
6736 return MGMT_LTK_UNAUTHENTICATED;
6737}
6738
53ac6ab6 6739void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 6740{
6741 struct mgmt_ev_new_long_term_key ev;
6742
6743 memset(&ev, 0, sizeof(ev));
6744
5192d301 6745 /* Devices using resolvable or non-resolvable random addresses
f72186d2 6746 * without providing an identity resolving key don't require
5192d301
MH		 6747 * to store long term keys. Their addresses will change the
6748 * next time around.
6749 *
6750 * Only when a remote device provides an identity address
6751 * make sure the long term key is stored. If the remote
6752 * identity is known, the long term keys are internally
6753 * mapped to the identity address. So allow static random
6754 * and public addresses here.
6755 */
ba74b666
JH		 6756 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6757 (key->bdaddr.b[5] & 0xc0) != 0xc0)
6758 ev.store_hint = 0x00;
6759 else
53ac6ab6 6760 ev.store_hint = persistent;
ba74b666 6761
346af67b 6762 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 6763 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 6764 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 6765 ev.key.enc_size = key->enc_size;
6766 ev.key.ediv = key->ediv;
fe39c7b2 6767 ev.key.rand = key->rand;
346af67b 6768
2ceba539 6769 if (key->type == SMP_LTK)
346af67b
VCG		 6770 ev.key.master = 1;
6771
1fc62c52
JH		 6772 /* Make sure we copy only the significant bytes based on the
6773 * encryption key size, and set the rest of the value to zeroes.
6774 */
cb92205b 6775 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 6776 memset(ev.key.val + key->enc_size, 0,
6777 sizeof(ev.key.val) - key->enc_size);
346af67b 6778
083368f7 6779 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 6780}
6781
cad20c27 6782void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
95fbac8a
JH		 6783{
6784 struct mgmt_ev_new_irk ev;
6785
6786 memset(&ev, 0, sizeof(ev));
6787
cad20c27 6788 ev.store_hint = persistent;
bab6d1e5 6789
95fbac8a
JH		 6790 bacpy(&ev.rpa, &irk->rpa);
6791 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
6792 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
6793 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
6794
6795 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
6796}
6797
53ac6ab6
MH		 6798void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
6799 bool persistent)
7ee4ea36
MH		 6800{
6801 struct mgmt_ev_new_csrk ev;
6802
6803 memset(&ev, 0, sizeof(ev));
6804
6805 /* Devices using resolvable or non-resolvable random addresses
f72186d2 6806 * without providing an identity resolving key don't require
7ee4ea36
MH		 6807 * to store signature resolving keys. Their addresses will change
6808 * the next time around.
6809 *
6810 * Only when a remote device provides an identity address
6811 * make sure the signature resolving key is stored. So allow
6812 * static random and public addresses here.
6813 */
6814 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
6815 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
6816 ev.store_hint = 0x00;
6817 else
53ac6ab6 6818 ev.store_hint = persistent;
7ee4ea36
MH		 6819
6820 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
6821 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 6822 ev.key.type = csrk->type;
7ee4ea36
MH		 6823 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
6824
6825 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
6826}
6827
ffb5a827 6828void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 6829 u8 bdaddr_type, u8 store_hint, u16 min_interval,
6830 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 6831{
6832 struct mgmt_ev_new_conn_param ev;
6833
c103aea6
JH		 6834 if (!hci_is_identity_address(bdaddr, bdaddr_type))
6835 return;
6836
ffb5a827
AG		 6837 memset(&ev, 0, sizeof(ev));
6838 bacpy(&ev.addr.bdaddr, bdaddr);
6839 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 6840 ev.store_hint = store_hint;
ffb5a827
AG		 6841 ev.min_interval = cpu_to_le16(min_interval);
6842 ev.max_interval = cpu_to_le16(max_interval);
6843 ev.latency = cpu_to_le16(latency);
6844 ev.timeout = cpu_to_le16(timeout);
6845
6846 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
6847}
6848
48ec92fa
AA		 6849void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
6850 u32 flags, u8 *name, u8 name_len)
f7520543 6851{
b644ba33
JH		 6852 char buf[512];
6853 struct mgmt_ev_device_connected *ev = (void *) buf;
6854 u16 eir_len = 0;
f7520543 6855
48ec92fa
AA		 6856 bacpy(&ev->addr.bdaddr, &conn->dst);
6857 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 6858
c95f0ba7 6859 ev->flags = __cpu_to_le32(flags);
08c79b61 6860
fd45ada9
AA		 6861 /* We must ensure that the EIR Data fields are ordered and
6862 * unique. Keep it simple for now and avoid the problem by not
6863 * adding any BR/EDR data to the LE adv.
6864 */
6865 if (conn->le_adv_data_len > 0) {
6866 memcpy(&ev->eir[eir_len],
6867 conn->le_adv_data, conn->le_adv_data_len);
6868 eir_len = conn->le_adv_data_len;
6869 } else {
6870 if (name_len > 0)
6871 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
6872 name, name_len);
b644ba33 6873
ddbea5cf 6874 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 6875 eir_len = eir_append_data(ev->eir, eir_len,
6876 EIR_CLASS_OF_DEV,
6877 conn->dev_class, 3);
6878 }
b644ba33 6879
eb55ef07 6880 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 6881
ecd90ae7
MH		 6882 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
6883 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 6884}
6885
3b0602cd 6886static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 6887{
8962ee74 6888 struct sock **sk = data;
8962ee74 6889
f5818c22 6890 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 6891
6892 *sk = cmd->sk;
6893 sock_hold(*sk);
6894
a664b5bc 6895 mgmt_pending_remove(cmd);
8962ee74
JH		 6896}
6897
3b0602cd 6898static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 6899{
b1078ad0 6900 struct hci_dev *hdev = data;
124f6e35 6901 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 6902
b1078ad0
JH		 6903 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
6904
d8b7b1e4 6905 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 6906 mgmt_pending_remove(cmd);
6907}
6908
84c61d92
JH		 6909bool mgmt_powering_down(struct hci_dev *hdev)
6910{
3b0602cd 6911 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 6912 struct mgmt_mode *cp;
6913
333ae95d 6914 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 6915 if (!cmd)
6916 return false;
6917
6918 cp = cmd->param;
6919 if (!cp->val)
6920 return true;
6921
6922 return false;
6923}
6924
9b80ec5e 6925void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 6926 u8 link_type, u8 addr_type, u8 reason,
6927 bool mgmt_connected)
f7520543 6928{
f0d6a0ea 6929 struct mgmt_ev_device_disconnected ev;
8962ee74 6930 struct sock *sk = NULL;
8962ee74 6931
84c61d92
JH		 6932 /* The connection is still in hci_conn_hash so test for 1
6933 * instead of 0 to know if this is the last one.
6934 */
6935 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6936 cancel_delayed_work(&hdev->power_off);
6937 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 6938 }
6939
12d4a3b2
JH		 6940 if (!mgmt_connected)
6941 return;
6942
57eb776f
AG		 6943 if (link_type != ACL_LINK && link_type != LE_LINK)
6944 return;
6945
744cf19e 6946 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 6947
f0d6a0ea
MA		 6948 bacpy(&ev.addr.bdaddr, bdaddr);
6949 ev.addr.type = link_to_bdaddr(link_type, addr_type);
6950 ev.reason = reason;
f7520543 6951
9b80ec5e 6952 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 6953
6954 if (sk)
d97dcb66 6955 sock_put(sk);
8962ee74 6956
124f6e35 6957 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 6958 hdev);
8962ee74
JH		 6959}
6960
7892924c
MH		 6961void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
6962 u8 link_type, u8 addr_type, u8 status)
8962ee74 6963{
3655bba8
AG		 6964 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
6965 struct mgmt_cp_disconnect *cp;
3b0602cd 6966 struct mgmt_pending_cmd *cmd;
8962ee74 6967
36a75f1b
JD		 6968 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
6969 hdev);
6970
333ae95d 6971 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 6972 if (!cmd)
7892924c 6973 return;
8962ee74 6974
3655bba8
AG		 6975 cp = cmd->param;
6976
6977 if (bacmp(bdaddr, &cp->addr.bdaddr))
6978 return;
6979
6980 if (cp->addr.type != bdaddr_type)
6981 return;
6982
f5818c22 6983 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 6984 mgmt_pending_remove(cmd);
f7520543 6985}
17d5c04c 6986
445608d0
MH		 6987void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6988 u8 addr_type, u8 status)
17d5c04c
JH		 6989{
6990 struct mgmt_ev_connect_failed ev;
c9910d0f 6991
84c61d92
JH		 6992 /* The connection is still in hci_conn_hash so test for 1
6993 * instead of 0 to know if this is the last one.
6994 */
6995 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
6996 cancel_delayed_work(&hdev->power_off);
6997 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 6998 }
17d5c04c 6999
4c659c39 7000 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 7001 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 7002 ev.status = mgmt_status(status);
17d5c04c 7003
445608d0 7004 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 7005}
980e1a53 7006
ce0e4a0d 7007void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 7008{
7009 struct mgmt_ev_pin_code_request ev;
7010
d8457698 7011 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 7012 ev.addr.type = BDADDR_BREDR;
a770bb5a 7013 ev.secure = secure;
980e1a53 7014
ce0e4a0d 7015 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 7016}
7017
e669cf80
MH		 7018void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
7019 u8 status)
980e1a53 7020{
3b0602cd 7021 struct mgmt_pending_cmd *cmd;
980e1a53 7022
333ae95d 7023 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 7024 if (!cmd)
e669cf80 7025 return;
980e1a53 7026
7776d1d8 7027 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 7028 mgmt_pending_remove(cmd);
980e1a53
JH		 7029}
7030
3eb38528
MH		 7031void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
7032 u8 status)
980e1a53 7033{
3b0602cd 7034 struct mgmt_pending_cmd *cmd;
980e1a53 7035
333ae95d 7036 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 7037 if (!cmd)
3eb38528 7038 return;
980e1a53 7039
7776d1d8 7040 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 7041 mgmt_pending_remove(cmd);
980e1a53 7042}
a5c29683 7043
744cf19e 7044int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 7045 u8 link_type, u8 addr_type, u32 value,
04124681 7046 u8 confirm_hint)
a5c29683
JH		 7047{
7048 struct mgmt_ev_user_confirm_request ev;
7049
744cf19e 7050 BT_DBG("%s", hdev->name);
a5c29683 7051
272d90df 7052 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 7053 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 7054 ev.confirm_hint = confirm_hint;
39adbffe 7055 ev.value = cpu_to_le32(value);
a5c29683 7056
744cf19e 7057 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 7058 NULL);
a5c29683
JH		 7059}
7060
272d90df 7061int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 7062 u8 link_type, u8 addr_type)
604086b7
BG		 7063{
7064 struct mgmt_ev_user_passkey_request ev;
7065
7066 BT_DBG("%s", hdev->name);
7067
272d90df 7068 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 7069 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 7070
7071 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 7072 NULL);
604086b7
BG		 7073}
7074
0df4c185 7075static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 7076 u8 link_type, u8 addr_type, u8 status,
7077 u8 opcode)
a5c29683 7078{
3b0602cd 7079 struct mgmt_pending_cmd *cmd;
a5c29683 7080
333ae95d 7081 cmd = pending_find(opcode, hdev);
a5c29683
JH		 7082 if (!cmd)
7083 return -ENOENT;
7084
7776d1d8 7085 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 7086 mgmt_pending_remove(cmd);
a5c29683 7087
7776d1d8 7088 return 0;
a5c29683
JH		 7089}
7090
744cf19e 7091int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 7092 u8 link_type, u8 addr_type, u8 status)
a5c29683 7093{
272d90df 7094 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 7095 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 7096}
7097
272d90df 7098int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 7099 u8 link_type, u8 addr_type, u8 status)
a5c29683 7100{
272d90df 7101 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 7102 status,
7103 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 7104}
2a611692 7105
604086b7 7106int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 7107 u8 link_type, u8 addr_type, u8 status)
604086b7 7108{
272d90df 7109 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 7110 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 7111}
7112
272d90df 7113int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 7114 u8 link_type, u8 addr_type, u8 status)
604086b7 7115{
272d90df 7116 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 7117 status,
7118 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 7119}
7120
92a25256
JH		 7121int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
7122 u8 link_type, u8 addr_type, u32 passkey,
7123 u8 entered)
7124{
7125 struct mgmt_ev_passkey_notify ev;
7126
7127 BT_DBG("%s", hdev->name);
7128
7129 bacpy(&ev.addr.bdaddr, bdaddr);
7130 ev.addr.type = link_to_bdaddr(link_type, addr_type);
7131 ev.passkey = __cpu_to_le32(passkey);
7132 ev.entered = entered;
7133
7134 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
7135}
7136
e1e930f5 7137void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 7138{
7139 struct mgmt_ev_auth_failed ev;
3b0602cd 7140 struct mgmt_pending_cmd *cmd;
e1e930f5 7141 u8 status = mgmt_status(hci_status);
2a611692 7142
e1e930f5
JH		 7143 bacpy(&ev.addr.bdaddr, &conn->dst);
7144 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
7145 ev.status = status;
2a611692 7146
e1e930f5
JH		 7147 cmd = find_pairing(conn);
7148
7149 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
7150 cmd ? cmd->sk : NULL);
7151
a511b35b
JH		 7152 if (cmd) {
7153 cmd->cmd_complete(cmd, status);
7154 mgmt_pending_remove(cmd);
7155 }
2a611692 7156}
b312b161 7157
464996ae 7158void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 7159{
7160 struct cmd_lookup match = { NULL, hdev };
464996ae 7161 bool changed;
33ef95ed
JH		 7162
7163 if (status) {
7164 u8 mgmt_err = mgmt_status(status);
7165 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 7166 cmd_status_rsp, &mgmt_err);
464996ae 7167 return;
33ef95ed
JH		 7168 }
7169
464996ae 7170 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 7171 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 7172 else
a69d8927 7173 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 7174
33ef95ed 7175 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 7176 &match);
33ef95ed 7177
47990ea0 7178 if (changed)
464996ae 7179 new_settings(hdev, match.sk);
33ef95ed
JH		 7180
7181 if (match.sk)
7182 sock_put(match.sk);
33ef95ed
JH		 7183}
7184
890ea898 7185static void clear_eir(struct hci_request *req)
cacaf52f 7186{
890ea898 7187 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 7188 struct hci_cp_write_eir cp;
7189
976eb20e 7190 if (!lmp_ext_inq_capable(hdev))
890ea898 7191 return;
cacaf52f 7192
c80da27e
JH		 7193 memset(hdev->eir, 0, sizeof(hdev->eir));
7194
cacaf52f
JH		 7195 memset(&cp, 0, sizeof(cp));
7196
890ea898 7197 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 7198}
7199
3e248560 7200void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 7201{
7202 struct cmd_lookup match = { NULL, hdev };
890ea898 7203 struct hci_request req;
c0ecddc2 7204 bool changed = false;
ed2c4ee3
JH		 7205
7206 if (status) {
7207 u8 mgmt_err = mgmt_status(status);
c0ecddc2 7208
a69d8927
MH		 7209 if (enable && hci_dev_test_and_clear_flag(hdev,
7210 HCI_SSP_ENABLED)) {
a358dc11 7211 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 7212 new_settings(hdev, NULL);
9ecb3e24 7213 }
c0ecddc2 7214
04124681
GP		 7215 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
7216 &mgmt_err);
3e248560 7217 return;
c0ecddc2
JH		 7218 }
7219
7220 if (enable) {
238be788 7221 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 7222 } else {
a69d8927 7223 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 7224 if (!changed)
a69d8927
MH		 7225 changed = hci_dev_test_and_clear_flag(hdev,
7226 HCI_HS_ENABLED);
9ecb3e24 7227 else
a358dc11 7228 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 7229 }
7230
7231 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
7232
c0ecddc2 7233 if (changed)
3e248560 7234 new_settings(hdev, match.sk);
ed2c4ee3 7235
5fc6ebb1 7236 if (match.sk)
ed2c4ee3
JH		 7237 sock_put(match.sk);
7238
890ea898
JH		 7239 hci_req_init(&req, hdev);
7240
d7a5a11d
MH		 7241 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
7242 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 7243 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
7244 sizeof(enable), &enable);
b1a8917c 7245 __hci_req_update_eir(&req);
3769972b 7246 } else {
890ea898 7247 clear_eir(&req);
3769972b 7248 }
890ea898
JH		 7249
7250 hci_req_run(&req, NULL);
ed2c4ee3
JH		 7251}
7252
3b0602cd 7253static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 7254{
7255 struct cmd_lookup *match = data;
7256
90e70454
JH		 7257 if (match->sk == NULL) {
7258 match->sk = cmd->sk;
7259 sock_hold(match->sk);
7260 }
90e70454
JH		 7261}
7262
4e1b0245
MH		 7263void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
7264 u8 status)
7f9a903c 7265{
90e70454 7266 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 7267
92da6097
JH		 7268 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
7269 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
7270 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454 7271
321c6fee 7272 if (!status) {
5504c3a3
MH		 7273 mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class,
7274 3, HCI_MGMT_DEV_CLASS_EVENTS, NULL);
321c6fee
MH		 7275 ext_info_changed(hdev, NULL);
7276 }
90e70454
JH		 7277
7278 if (match.sk)
7279 sock_put(match.sk);
7f9a903c
MH		 7280}
7281
7667da34 7282void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 7283{
b312b161 7284 struct mgmt_cp_set_local_name ev;
3b0602cd 7285 struct mgmt_pending_cmd *cmd;
28cc7bde 7286
13928971 7287 if (status)
7667da34 7288 return;
b312b161
JH		 7289
7290 memset(&ev, 0, sizeof(ev));
7291 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 7292 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 7293
333ae95d 7294 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 7295 if (!cmd) {
7296 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 7297
13928971
JH		 7298 /* If this is a HCI command related to powering on the
7299 * HCI dev don't send any mgmt signals.
7300 */
333ae95d 7301 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 7302 return;
890ea898 7303 }
b312b161 7304
5504c3a3
MH		 7305 mgmt_limited_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
7306 HCI_MGMT_LOCAL_NAME_EVENTS, cmd ? cmd->sk : NULL);
321c6fee 7307 ext_info_changed(hdev, cmd ? cmd->sk : NULL);
b312b161 7308}
c35938b2 7309
799ce93d
JP		 7310static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
7311{
7312 int i;
7313
7314 for (i = 0; i < uuid_count; i++) {
7315 if (!memcmp(uuid, uuids[i], 16))
7316 return true;
7317 }
7318
7319 return false;
7320}
7321
b487b9ce
MH		 7322static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
7323{
799ce93d
JP		 7324 u16 parsed = 0;
7325
7326 while (parsed < eir_len) {
7327 u8 field_len = eir[0];
7328 u8 uuid[16];
7329 int i;
7330
7331 if (field_len == 0)
7332 break;
7333
7334 if (eir_len - parsed < field_len + 1)
7335 break;
7336
7337 switch (eir[1]) {
7338 case EIR_UUID16_ALL:
7339 case EIR_UUID16_SOME:
7340 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 7341 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 7342 uuid[13] = eir[i + 3];
7343 uuid[12] = eir[i + 2];
7344 if (has_uuid(uuid, uuid_count, uuids))
7345 return true;
7346 }
7347 break;
7348 case EIR_UUID32_ALL:
7349 case EIR_UUID32_SOME:
7350 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 7351 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 7352 uuid[15] = eir[i + 5];
7353 uuid[14] = eir[i + 4];
7354 uuid[13] = eir[i + 3];
7355 uuid[12] = eir[i + 2];
7356 if (has_uuid(uuid, uuid_count, uuids))
7357 return true;
7358 }
7359 break;
7360 case EIR_UUID128_ALL:
7361 case EIR_UUID128_SOME:
7362 for (i = 0; i + 17 <= field_len; i += 16) {
7363 memcpy(uuid, eir + i + 2, 16);
7364 if (has_uuid(uuid, uuid_count, uuids))
7365 return true;
7366 }
7367 break;
7368 }
7369
7370 parsed += field_len + 1;
7371 eir += field_len + 1;
7372 }
7373
b487b9ce
MH		 7374 return false;
7375}
7376
4b0e0ced
JP		 7377static void restart_le_scan(struct hci_dev *hdev)
7378{
7379 /* If controller is not scanning we are done. */
d7a5a11d 7380 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 7381 return;
7382
7383 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
7384 hdev->discovery.scan_start +
7385 hdev->discovery.scan_duration))
7386 return;
7387
7c1fbed2 7388 queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart,
4b0e0ced
JP		 7389 DISCOV_LE_RESTART_DELAY);
7390}
7391
48f86b7f
JP		 7392static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
7393 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 7394{
48f86b7f
JP		 7395 /* If a RSSI threshold has been specified, and
7396 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
7397 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
7398 * is set, let it through for further processing, as we might need to
7399 * restart the scan.
efb2513f
MH		 7400 *
7401 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
7402 * the results are also dropped.
bda157a4
MH		 7403 */
7404 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 7405 (rssi == HCI_RSSI_INVALID ||
7406 (rssi < hdev->discovery.rssi &&
7407 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 7408 return false;
efb2513f 7409
2976cdeb
JP		 7410 if (hdev->discovery.uuid_count != 0) {
7411 /* If a list of UUIDs is provided in filter, results with no
7412 * matching UUID should be dropped.
b487b9ce 7413 */
2976cdeb
JP		 7414 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
7415 hdev->discovery.uuids) &&
7416 !eir_has_uuids(scan_rsp, scan_rsp_len,
7417 hdev->discovery.uuid_count,
7418 hdev->discovery.uuids))
7419 return false;
b487b9ce 7420 }
5d2e9fad 7421
2976cdeb
JP		 7422 /* If duplicate filtering does not report RSSI changes, then restart
7423 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 7424 */
2976cdeb
JP		 7425 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
7426 restart_le_scan(hdev);
7427
7428 /* Validate RSSI value against the RSSI threshold once more. */
7429 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
7430 rssi < hdev->discovery.rssi)
7431 return false;
7432 }
48f86b7f
JP		 7433
7434 return true;
7435}
7436
7437void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7438 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
7439 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
7440{
7441 char buf[512];
7442 struct mgmt_ev_device_found *ev = (void *)buf;
7443 size_t ev_size;
7444
7445 /* Don't send events for a non-kernel initiated discovery. With
7446 * LE one exception is if we have pend_le_reports > 0 in which
7447 * case we're doing passive scanning and want these events.
7448 */
7449 if (!hci_discovery_active(hdev)) {
7450 if (link_type == ACL_LINK)
7451 return;
7452 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
7453 return;
7454 }
7455
82f8b651 7456 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 7457 /* We are using service discovery */
7458 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
7459 scan_rsp_len))
7460 return;
7461 }
7462
78b781ca
JH		 7463 if (hdev->discovery.limited) {
7464 /* Check for limited discoverable bit */
7465 if (dev_class) {
7466 if (!(dev_class[1] & 0x20))
7467 return;
7468 } else {
7469 u8 *flags = eir_get_data(eir, eir_len, EIR_FLAGS, NULL);
7470 if (!flags || !(flags[0] & LE_AD_LIMITED))
7471 return;
7472 }
7473 }
7474
48f86b7f
JP		 7475 /* Make sure that the buffer is big enough. The 5 extra bytes
7476 * are for the potential CoD field.
7477 */
7478 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 7479 return;
7480
48f86b7f
JP		 7481 memset(buf, 0, sizeof(buf));
7482
7483 /* In case of device discovery with BR/EDR devices (pre 1.2), the
7484 * RSSI value was reported as 0 when not available. This behavior
7485 * is kept when using device discovery. This is required for full
7486 * backwards compatibility with the API.
7487 *
7488 * However when using service discovery, the value 127 will be
7489 * returned when the RSSI is not available.
7490 */
7491 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
7492 link_type == ACL_LINK)
7493 rssi = 0;
7494
7495 bacpy(&ev->addr.bdaddr, bdaddr);
7496 ev->addr.type = link_to_bdaddr(link_type, addr_type);
7497 ev->rssi = rssi;
7498 ev->flags = cpu_to_le32(flags);
7499
7500 if (eir_len > 0)
7501 /* Copy EIR or advertising data into event */
7502 memcpy(ev->eir, eir, eir_len);
7503
0d3b7f64
JH		 7504 if (dev_class && !eir_get_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
7505 NULL))
48f86b7f
JP		 7506 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
7507 dev_class, 3);
7508
7509 if (scan_rsp_len > 0)
7510 /* Append scan response data to event */
7511 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
7512
5d2e9fad
JH		 7513 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
7514 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 7515
901801b9 7516 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 7517}
a88a9652 7518
9cf12aee
MH		 7519void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7520 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 7521{
b644ba33
JH		 7522 struct mgmt_ev_device_found *ev;
7523 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
7524 u16 eir_len;
a88a9652 7525
b644ba33 7526 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 7527
b644ba33
JH		 7528 memset(buf, 0, sizeof(buf));
7529
7530 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 7531 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 7532 ev->rssi = rssi;
7533
7534 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 7535 name_len);
b644ba33 7536
eb55ef07 7537 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 7538
9cf12aee 7539 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 7540}
314b2381 7541
2f1e063b 7542void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 7543{
f963e8e9 7544 struct mgmt_ev_discovering ev;
164a6e78 7545
343fb145
AG		 7546 BT_DBG("%s discovering %u", hdev->name, discovering);
7547
f963e8e9
JH		 7548 memset(&ev, 0, sizeof(ev));
7549 ev.type = hdev->discovery.type;
7550 ev.discovering = discovering;
7551
2f1e063b 7552 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 7553}
5e762444 7554
6d785aa3
JH		 7555static struct hci_mgmt_chan chan = {
7556 .channel = HCI_CHANNEL_CONTROL,
7557 .handler_count = ARRAY_SIZE(mgmt_handlers),
7558 .handlers = mgmt_handlers,
88b94ce9 7559 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 7560};
7561
7562int mgmt_init(void)
7563{
7564 return hci_mgmt_chan_register(&chan);
7565}
7566
7567void mgmt_exit(void)
7568{
7569 hci_mgmt_chan_unregister(&chan);
7570}
Linux 6.x block layer and io_uring tree(s)